return
    }
    if {![info exists ::pos(x)]} {
	set ::pos(x) [expr [winfo width $canvas] / 4]
	set ::pos(y) [expr [winfo height $canvas] / 4]
	set ::pos(t) 0
    }
    set ::pos(x) [expr {$::pos(x) + $ix}] 
    set ::pos(y) [expr {$::pos(y) + $iy}] 
    if {$::pos(x) < 50} {
	set ::pos(x) 50
    } elseif {$::pos(x) > [winfo width $canvas] - 50} {
	set ::pos(x) [expr {[winfo width $canvas] - 50}]
    }
    if {$::pos(y) < 50} {
	set ::pos(y) 50

	return
    }
    if {![info exists ::pos(x)]} {
	set ::pos(x) [expr [winfo width $canvas] / 4]
	set ::pos(y) [expr [winfo height $canvas] / 4]
	set ::pos(t) 0
    }
    set ::pos(x) [expr {$::pos(x) + $ix}]
    set ::pos(y) [expr {$::pos(y) + $iy}]
    if {$::pos(x) < 50} {
	set ::pos(x) 50
    } elseif {$::pos(x) > [winfo width $canvas] - 50} {
	set ::pos(x) [expr {[winfo width $canvas] - 50}]
    }
    if {$::pos(y) < 50} {
	set ::pos(y) 50

proc makedict {input} {
    variable dict {}
    set phraselist \
	[split [string map {\n.\n \uffff \n!\n \uffff} $input] \uffff]
    set index 0
    # Kick off the loop by grabbing the first keywords
    set phraselist [lassign $phraselist keywords responses] 
    while {$keywords ne ""} {
        dict set dict keywords $index [split $keywords \n] 
        dict set dict responses $index [split $responses \n]
        incr  index
        set phraselist [lassign $phraselist keywords responses] 
    }
}

proc dialog {} {
    . configure -bg black
    wm attributes . -fullscreen 1
    sdltk screensaver off
................................................................................
                set which [expr {int ([llength $possibleresponses] * rand())}]
                set response [lindex $possibleresponses $which]
                if {[string index $response end] eq "*"} {
                    return "[string range $response 0 end-1]$remainder?"
                } else {
                    return $response
                }
                
            }
        }
    }
    set index [expr {[llength [dict get $dict keywords]] / 2 - 1}]
    set possibleresponses [dict get $dict responses $index]
    set which [expr {int ([llength $possibleresponses] * rand())}]
    return [lindex $possibleresponses $which]

proc makedict {input} {
    variable dict {}
    set phraselist \
	[split [string map {\n.\n \uffff \n!\n \uffff} $input] \uffff]
    set index 0
    # Kick off the loop by grabbing the first keywords
    set phraselist [lassign $phraselist keywords responses]
    while {$keywords ne ""} {
        dict set dict keywords $index [split $keywords \n]
        dict set dict responses $index [split $responses \n]
        incr  index
        set phraselist [lassign $phraselist keywords responses]
    }
}

proc dialog {} {
    . configure -bg black
    wm attributes . -fullscreen 1
    sdltk screensaver off
................................................................................
                set which [expr {int ([llength $possibleresponses] * rand())}]
                set response [lindex $possibleresponses $which]
                if {[string index $response end] eq "*"} {
                    return "[string range $response 0 end-1]$remainder?"
                } else {
                    return $response
                }

            }
        }
    }
    set index [expr {[llength [dict get $dict keywords]] / 2 - 1}]
    set possibleresponses [dict get $dict responses $index]
    set which [expr {int ([llength $possibleresponses] * rand())}]
    return [lindex $possibleresponses $which]

canvas .c -bg black -bd 0 -highlightthickness 0
pack .c -side top -fill both -expand 1 -padx 0 -pady 0

make_items .c

bind all <Key-Break> exit

bind . <<LocationUpdate>> [list location_update .c] 
bind . <<GPSUpdate>> [list gps_update .c] 
bind . <<NMEAUpdate>> [list nmea_update .c]

change_rate .c

canvas .c -bg black -bd 0 -highlightthickness 0
pack .c -side top -fill both -expand 1 -padx 0 -pady 0

make_items .c

bind all <Key-Break> exit

bind . <<LocationUpdate>> [list location_update .c]
bind . <<GPSUpdate>> [list gps_update .c]
bind . <<NMEAUpdate>> [list nmea_update .c]

change_rate .c

}
bind $w.c <ButtonRelease-1> {
    showPendulum %W at %x %y
    set animationCallbacks(pendulum) [after 15 repeat [winfo toplevel %W]]
}
bind $w.c <Configure> {
    %W coords plate 0 25 %w 25
    set home [expr %w/2]
    %W coords pivot [expr $home-5] 20 [expr $home+5] 30
}
bind $w.k <Configure> {
    set psh [expr %h/2]
    set psw [expr %w/2]
    %W coords x_axis 2 $psh [expr %w-2] $psh
    %W coords y_axis $psw [expr %h-2] $psw 2
    %W coords label_dtheta [expr $psw-4] 6
    %W coords label_theta [expr %w-6] [expr $psh+4]
}

# This procedure is the "business" part of the simulation that does
# simple numerical integration of the formula for a simple rotational
# pendulum.
proc recomputeAngle {} {
    global Theta dTheta pi length

}
bind $w.c <ButtonRelease-1> {
    showPendulum %W at %x %y
    set animationCallbacks(pendulum) [after 15 repeat [winfo toplevel %W]]
}
bind $w.c <Configure> {
    %W coords plate 0 25 %w 25
    set home [expr {%w/2}]
    %W coords pivot [expr {$home-5}] 20 [expr {$home+5}] 30
}
bind $w.k <Configure> {
    set psh [expr {%h/2}]
    set psw [expr {%w/2}]
    %W coords x_axis 2 $psh [expr {%w-2}] $psh
    %W coords y_axis $psw [expr {%h-2}] $psw 2
    %W coords label_dtheta [expr {$psw-4}] 6
    %W coords label_theta [expr {%w-6}] [expr {$psh+4}]
}

# This procedure is the "business" part of the simulation that does
# simple numerical integration of the formula for a simple rotational
# pendulum.
proc recomputeAngle {} {
    global Theta dTheta pi length

bind .s a animate
focus .s

# The procedure below centers the square on a given position.

proc center {x y} {
    set a [.s size]
    .s position [expr $x-($a/2)] [expr $y-($a/2)]
}

# The procedures below provide a simple form of animation where
# the box changes size in a pulsing pattern: larger, smaller, larger,
# and so on.

set inc 0

bind .s a animate
focus .s

# The procedure below centers the square on a given position.

proc center {x y} {
    set a [.s size]
    .s position [expr {$x-($a/2)}] [expr {$y-($a/2)}]
}

# The procedures below provide a simple form of animation where
# the box changes size in a pulsing pattern: larger, smaller, larger,
# and so on.

set inc 0

    gesture <type> : Where type is one of:
      zoom : Zoom gesture. %x/y is between fingers
      pan  : Pan gesture. %x/y is between fingers
      rotate : Rotate gesture. %x/y is between fingers
      twofingertap : Two finger tap gesture. %x/y is between fingers
      pressandtap : Press and tap gesture. %x/y is first finger
    
    distance <i> : For zoom/pan/twofingertap: Distance between fingers.
    angle <r> : For rotate: Rotation angle in radians.
    deltax <i> : For pressandtap: Locates second finger. Valid with begin.
    deltay <i> : For pressandtap: Locates second finger. Valid with begin.
    inertiax <i> : For pan: Inertia vector. Valid with inertia flag.
    inertiay <i> : For pan: Inertia vector. Valid with inertia flag.

    gesture <type> : Where type is one of:
      zoom : Zoom gesture. %x/y is between fingers
      pan  : Pan gesture. %x/y is between fingers
      rotate : Rotate gesture. %x/y is between fingers
      twofingertap : Two finger tap gesture. %x/y is between fingers
      pressandtap : Press and tap gesture. %x/y is first finger

    distance <i> : For zoom/pan/twofingertap: Distance between fingers.
    angle <r> : For rotate: Rotation angle in radians.
    deltax <i> : For pressandtap: Locates second finger. Valid with begin.
    deltay <i> : For pressandtap: Locates second finger. Valid with begin.
    inertiax <i> : For pan: Inertia vector. Valid with inertia flag.
    inertiay <i> : For pan: Inertia vector. Valid with inertia flag.

- Another command available in the tk::unsupported::MacWindowStyle namespace is:
  tk::unsupported::MacWindowStyle tabbingid window ?newId?
which can be used to get or set the tabbingIdentifier for the NSWindow
associated with a Tk Window.  See section 3 for details.

- The command:
  tk::unsupported::MacWindowStyle appearance window ?newAappearance?
is available when Tk is built and run on macOS 10.14 (Mojave) or later.  In
that case the Ttk widgets all support the "Dark Mode" appearance which was
introduced in 10.14. The command accepts the following values for the optional
newAppearance option: "aqua", "darkaqua", or "auto".  If the appearance is set
to aqua or darkaqua then the window will be displayed with the corresponding
appearance independent of any preferences settings.  If it is set to "auto"
the appearance will be determined by the preferences.  This command can be

- Another command available in the tk::unsupported::MacWindowStyle namespace is:
  tk::unsupported::MacWindowStyle tabbingid window ?newId?
which can be used to get or set the tabbingIdentifier for the NSWindow
associated with a Tk Window.  See section 3 for details.

- The command:
  tk::unsupported::MacWindowStyle appearance window ?newAppearance?
is available when Tk is built and run on macOS 10.14 (Mojave) or later.  In
that case the Ttk widgets all support the "Dark Mode" appearance which was
introduced in 10.14. The command accepts the following values for the optional
newAppearance option: "aqua", "darkaqua", or "auto".  If the appearance is set
to aqua or darkaqua then the window will be displayed with the corresponding
appearance independent of any preferences settings.  If it is set to "auto"
the appearance will be determined by the preferences.  This command can be

@implementation TKApplication(TKMouseEvent)
- (NSEvent *) tkProcessMouseEvent: (NSEvent *) theEvent
{
    NSWindow *eventWindow = [theEvent window];
    NSEventType eventType = [theEvent type];
    TkWindow *winPtr, *grabWinPtr;
    Tk_Window tkwin;

#if 0
    NSTrackingArea *trackingArea = nil;
    NSInteger eventNumber, clickCount, buttonNumber;
#endif

#ifdef TK_MAC_DEBUG_EVENTS
    TKLog(@"-[%@(%p) %s] %@", [self class], self, _cmd, theEvent);
................................................................................
    case NSTabletProximity:
    case NSScrollWheel:
	break;
    default: /* Unrecognized mouse event. */
	return theEvent;
    }

    /*
     * Remember the window in case we need it next time.
     */

    if (eventWindow && eventWindow != _windowWithMouse) {
	if (_windowWithMouse) {
	    [_windowWithMouse release];
	}
	_windowWithMouse = eventWindow;
	[_windowWithMouse retain];
    }

    /*
     * Compute the mouse position in Tk screen coordinates (global) and in the
     * Tk coordinates of its containing Tk Window.

     */


    NSPoint global, local = [theEvent locationInWindow];

    /*
     * If the event has no NSWindow, try using the cached NSWindow from the
     * last mouse event.
     */






    if (eventWindow == NULL) {
	eventWindow = _windowWithMouse;



    }
    if (eventWindow) {
	/*
	 * Set the local mouse position to its NSWindow flipped coordinates,
	 * with the origin at top left, and the global mouse position to the
	 * flipped screen coordinates.
	 */

	global = [eventWindow tkConvertPointToScreen: local];
	local.y = [eventWindow frame].size.height - local.y;
	global.y = tkMacOSXZeroScreenHeight - global.y;
    } else {

	/*
	 * As a last resort, with no NSWindow to work with, set both local and
	 * global to the screen coordinates.
	 */














	local.y = tkMacOSXZeroScreenHeight - local.y;
	global = local;
    }

    /*
     * Find the toplevel which corresponds to the event NSWindow.
     */


    winPtr = TkMacOSXGetTkWindow(eventWindow);
    if (winPtr == NULL) {
	tkwin = TkMacOSXGetCapture();
	winPtr = (TkWindow *) tkwin;
    } else {
	tkwin = (Tk_Window) winPtr;
    }
    if (!tkwin) {
#ifdef TK_MAC_DEBUG_EVENTS
	TkMacOSXDbgMsg("tkwin == NULL");
#endif
	return theEvent;	/* Give up.  No window for this event. */

@implementation TKApplication(TKMouseEvent)
- (NSEvent *) tkProcessMouseEvent: (NSEvent *) theEvent
{
    NSWindow *eventWindow = [theEvent window];
    NSEventType eventType = [theEvent type];
    TkWindow *winPtr, *grabWinPtr;
    Tk_Window tkwin;
    NSPoint local, global;
#if 0
    NSTrackingArea *trackingArea = nil;
    NSInteger eventNumber, clickCount, buttonNumber;
#endif

#ifdef TK_MAC_DEBUG_EVENTS
    TKLog(@"-[%@(%p) %s] %@", [self class], self, _cmd, theEvent);
................................................................................
    case NSTabletProximity:
    case NSScrollWheel:
	break;
    default: /* Unrecognized mouse event. */
	return theEvent;
    }

    /*












     * Compute the mouse position in Tk screen coordinates (global) and in the
     * Tk coordinates of its containing Tk Window (local). If a grab is in effect,
     * the local coordinates should be relative to the grab window.
     */

    if (eventWindow) {
	local = [theEvent locationInWindow];






	global = [eventWindow tkConvertPointToScreen: local];
	tkwin = TkMacOSXGetCapture();
	if (tkwin) {
	    winPtr = (TkWindow *) tkwin;
	    eventWindow = TkMacOSXDrawableWindow(winPtr->window);
	    if (eventWindow) {

		local = [eventWindow tkConvertPointFromScreen: global];
	    } else {
		return theEvent;
	    }






	}

	local.y = [eventWindow frame].size.height - local.y;
	global.y = tkMacOSXZeroScreenHeight - global.y;
    } else {

	/*

	 * If the event has no NSWindow, the location is in screen coordinates.
	 */

	global = [theEvent locationInWindow];
	tkwin = TkMacOSXGetCapture();
	if (tkwin) {
	    winPtr = (TkWindow *) tkwin;
	    eventWindow = TkMacOSXDrawableWindow(winPtr->window);
	} else {
	    eventWindow = [NSApp mainWindow];
	}
	if (!eventWindow) {
	    return theEvent;
	}
	local = [eventWindow tkConvertPointFromScreen: global];
	local.y = [eventWindow frame].size.height - local.y;
	global.y = tkMacOSXZeroScreenHeight - global.y;

    }

    /*
     * Make sure tkwin is the toplevel which should receive the event.
     */

    if (!tkwin) {
	winPtr = TkMacOSXGetTkWindow(eventWindow);




	tkwin = (Tk_Window) winPtr;
    }
    if (!tkwin) {
#ifdef TK_MAC_DEBUG_EVENTS
	TkMacOSXDbgMsg("tkwin == NULL");
#endif
	return theEvent;	/* Give up.  No window for this event. */

@interface TKApplication : NSApplication {
@private
    Tcl_Interp *_eventInterp;
    NSMenu *_servicesMenu;
    TKMenu *_defaultMainMenu, *_defaultApplicationMenu;
    NSArray *_defaultApplicationMenuItems, *_defaultWindowsMenuItems;
    NSArray *_defaultHelpMenuItems;
    NSWindow *_windowWithMouse;
    NSAutoreleasePool *_mainPool;
#ifdef __i386__
    /* The Objective C runtime used on i386 requires this. */
    int _poolLock;
    int _macMinorVersion;
    Bool _isDrawing;
#endif

@interface TKApplication : NSApplication {
@private
    Tcl_Interp *_eventInterp;
    NSMenu *_servicesMenu;
    TKMenu *_defaultMainMenu, *_defaultApplicationMenu;
    NSArray *_defaultApplicationMenuItems, *_defaultWindowsMenuItems;
    NSArray *_defaultHelpMenuItems;

    NSAutoreleasePool *_mainPool;
#ifdef __i386__
    /* The Objective C runtime used on i386 requires this. */
    int _poolLock;
    int _macMinorVersion;
    Bool _isDrawing;
#endif

#ifdef TK_MAC_DEBUG_NOTIFICATIONS
    TKLog(@"-[%@(%p) %s] %@", [self class], self, _cmd, w);
#endif
    TkWindow *winPtr = TkMacOSXGetTkWindow(w);

    if (winPtr) {
	TkGenWMDestroyEvent((Tk_Window) winPtr);
	if (_windowWithMouse == w) {
	    _windowWithMouse = nil;
	    [w release];
	}
    }

    /*
     * If necessary, TkGenWMDestroyEvent() handles [close]ing the window, so
     * can always return NO from -windowShouldClose: for a Tk window.
     */

#ifdef TK_MAC_DEBUG_NOTIFICATIONS
    TKLog(@"-[%@(%p) %s] %@", [self class], self, _cmd, w);
#endif
    TkWindow *winPtr = TkMacOSXGetTkWindow(w);

    if (winPtr) {
	TkGenWMDestroyEvent((Tk_Window) winPtr);




    }

    /*
     * If necessary, TkGenWMDestroyEvent() handles [close]ing the window, so
     * can always return NO from -windowShouldClose: for a Tk window.
     */

- (NSPoint) tkConvertPointFromScreen: (NSPoint)point
{
    return [self convertScreenToBase:point];
}
#else
- (NSPoint) tkConvertPointToScreen: (NSPoint) point
{
    NSRect pointrect;
    pointrect.origin = point;
    pointrect.size.width = 0;
    pointrect.size.height = 0;
    return [self convertRectToScreen:pointrect].origin;
}
- (NSPoint) tkConvertPointFromScreen: (NSPoint)point
{
    NSRect pointrect;
    pointrect.origin = point;
    pointrect.size.width = 0;
    pointrect.size.height = 0;
    return [self convertRectFromScreen:pointrect].origin;
}
#endif

@end

#pragma mark -

- (NSPoint) tkConvertPointFromScreen: (NSPoint)point
{
    return [self convertScreenToBase:point];
}
#else
- (NSPoint) tkConvertPointToScreen: (NSPoint) point
{
    NSRect pointrect = {point, {0,0}};



    return [self convertRectToScreen:pointrect].origin;
}
- (NSPoint) tkConvertPointFromScreen: (NSPoint)point
{
    NSRect pointrect = {point, {0,0}};



    return [self convertRectFromScreen:pointrect].origin;
}
#endif

@end

#pragma mark -

static CGFloat darkInactiveSelectedTab[4] = {
    159.0 / 255, 160.0 / 255, 161.0 / 255, 1.0
};
static CGFloat darkFocusRing[4] = {
    38.0 / 255, 113.0 / 255, 159.0 / 255, 1.0
};
static CGFloat darkFocusRingTop[4] = {
    50.0 / 255, 124.0 / 255, 171.0 / 255, 1.0 
};
static CGFloat darkFocusRingBottom[4] = {
    57.0 / 255, 130.0 / 255, 176.0 / 255, 1.0 
};
static CGFloat darkTabSeparator[4] = {0.0, 0.0, 0.0, 0.25};
static CGFloat darkTrack[4] = {1.0, 1.0, 1.0, 0.25};
static CGFloat darkFrameTop[4] = {1.0, 1.0, 1.0, 0.0625};
static CGFloat darkFrameBottom[4] = {1.0, 1.0, 1.0, 0.125};
static CGFloat darkFrameAccent[4] = {0.0, 0.0, 0.0, 0.0625};
static CGFloat darkTopGradient[8] = {
................................................................................
    CGFloat x = bounds.origin.x, y = bounds.origin.y;
    CGFloat w = bounds.size.width, h = bounds.size.height;
    CGPoint topPart[4] = {
	{x, y + h}, {x, y + 1}, {x + w - 1, y + 1}, {x + w - 1, y + h}
    };
    CGPoint bottom[2] = {{x, y + h}, {x + w, y + h}};
    CGRect outerRect = CGRectInset(bounds, -3, -3);
    
    CGContextSaveGState(context);
    CGContextSetShouldAntialias(context, false);
    CGContextBeginPath(context);
    strokeColor = [NSColor colorWithColorSpace: deviceRGB
				    components: darkFocusRingTop
					 count: 4];
    CGContextSetStrokeColorWithColor(context, CGCOLOR(strokeColor));
................................................................................
    static const char *defaultBG = ENTRY_DEFAULT_BACKGROUND;

    if (TkMacOSXInDarkMode(tkwin)) {
	BEGIN_DRAWING(d)
	NSColorSpace *deviceRGB = [NSColorSpace deviceRGBColorSpace];
	CGFloat fill[4];
	GetBackgroundColor(dc.context, tkwin, 1, fill);
	
	/*
	 * Lighten the background to provide contrast.
	 */
	
	for (int i = 0; i < 3; i++) {
		fill[i] += 9.0 / 255.0;
	}
	background = [NSColor colorWithColorSpace: deviceRGB
	    components: fill
	    count: 4];
	CGContextSetFillColorWithColor(dc.context, CGCOLOR(background));

static CGFloat darkInactiveSelectedTab[4] = {
    159.0 / 255, 160.0 / 255, 161.0 / 255, 1.0
};
static CGFloat darkFocusRing[4] = {
    38.0 / 255, 113.0 / 255, 159.0 / 255, 1.0
};
static CGFloat darkFocusRingTop[4] = {
    50.0 / 255, 124.0 / 255, 171.0 / 255, 1.0
};
static CGFloat darkFocusRingBottom[4] = {
    57.0 / 255, 130.0 / 255, 176.0 / 255, 1.0
};
static CGFloat darkTabSeparator[4] = {0.0, 0.0, 0.0, 0.25};
static CGFloat darkTrack[4] = {1.0, 1.0, 1.0, 0.25};
static CGFloat darkFrameTop[4] = {1.0, 1.0, 1.0, 0.0625};
static CGFloat darkFrameBottom[4] = {1.0, 1.0, 1.0, 0.125};
static CGFloat darkFrameAccent[4] = {0.0, 0.0, 0.0, 0.0625};
static CGFloat darkTopGradient[8] = {
................................................................................
    CGFloat x = bounds.origin.x, y = bounds.origin.y;
    CGFloat w = bounds.size.width, h = bounds.size.height;
    CGPoint topPart[4] = {
	{x, y + h}, {x, y + 1}, {x + w - 1, y + 1}, {x + w - 1, y + h}
    };
    CGPoint bottom[2] = {{x, y + h}, {x + w, y + h}};
    CGRect outerRect = CGRectInset(bounds, -3, -3);

    CGContextSaveGState(context);
    CGContextSetShouldAntialias(context, false);
    CGContextBeginPath(context);
    strokeColor = [NSColor colorWithColorSpace: deviceRGB
				    components: darkFocusRingTop
					 count: 4];
    CGContextSetStrokeColorWithColor(context, CGCOLOR(strokeColor));
................................................................................
    static const char *defaultBG = ENTRY_DEFAULT_BACKGROUND;

    if (TkMacOSXInDarkMode(tkwin)) {
	BEGIN_DRAWING(d)
	NSColorSpace *deviceRGB = [NSColorSpace deviceRGBColorSpace];
	CGFloat fill[4];
	GetBackgroundColor(dc.context, tkwin, 1, fill);

	/*
	 * Lighten the background to provide contrast.
	 */

	for (int i = 0; i < 3; i++) {
		fill[i] += 9.0 / 255.0;
	}
	background = [NSColor colorWithColorSpace: deviceRGB
	    components: fill
	    count: 4];
	CGContextSetFillColorWithColor(dc.context, CGCOLOR(background));

bind .t.c <Shift-1> {
    set curx %x
    set cury %y
}

bind .t.c <Shift-B1-Motion> {
    .t.c move circle [expr %x-$curx] [expr %y-$cury]
    set curx %x
    set cury %y
}

# The binding below flashes the closest item to the mouse.

bind .t.c <Control-c> {
................................................................................
	    set delta -5
	}
	if {$i <= 5} {
	    set delta 5
	}
	incr i $delta
	c -start $i
	c -extent [expr 360-2*$i]
	after 20
	update
    }
}

bind .t.c b {set go 0}

bind .t.c <Shift-1> {
    set curx %x
    set cury %y
}

bind .t.c <Shift-B1-Motion> {
    .t.c move circle [expr {%x-$curx}] [expr {%y-$cury}]
    set curx %x
    set cury %y
}

# The binding below flashes the closest item to the mouse.

bind .t.c <Control-c> {
................................................................................
	    set delta -5
	}
	if {$i <= 5} {
	    set delta 5
	}
	incr i $delta
	c -start $i
	c -extent [expr {360-2*$i}]
	after 20
	update
    }
}

bind .t.c b {set go 0}

    # 1. button with text
    .b configure -text "Sample text"
    pack .b
    set textwidth [font measure [.b cget -font] -displayof .b [.b cget -text]]
    set expectedwidth [expr {$textwidth + 2*[.b cget -borderwidth] \
            + 2*[.b cget -highlightthickness] + 2*[.b cget -padx]}]
    incr expectedwidth 2   ; # added (hardcoded) in tkUnixButton.c
    set result [expr $expectedwidth == [winfo reqwidth .b]]
    set linespace [lindex [font metrics [.b cget -font] -displayof .b] 5]
    set expectedheight [expr {$linespace + 2*[.b cget -borderwidth] \
            + 2*[.b cget -highlightthickness] + 2*[.b cget -pady]}]
    incr expectedheight 2   ; # added (hardcoded) in tkUnixButton.c
    lappend result [expr $expectedheight == [winfo reqheight .b]]
    # 2. button with a bitmap image
    # there is no access to characteristics the predefined bitmaps,
    # so define one as an image (copied from questhead.xbm)
    set myquesthead [image create bitmap -data {
        #define myquesthead_width 20
        #define myquesthead_height 22
        static unsigned char myquesthead_bits[] = {
................................................................................
           0x50, 0x55, 0x00, 0xb0, 0x0b, 0x00, 0xd0, 0x17, 0x00, 0xb0, 0x0b, 0x00,
           0x58, 0x15, 0x00, 0xa8, 0x2a, 0x00};
    }]
    .b configure -image $myquesthead
    set expectedwidth [expr {[image width $myquesthead] + 2*[.b cget -borderwidth] \
            + 2*[.b cget -highlightthickness]}]
    incr expectedwidth 2   ; # added (hardcoded) in tkUnixButton.c
    lappend result [expr $expectedwidth == [winfo reqwidth .b]]
    set expectedheight [expr {[image height $myquesthead] + 2*[.b cget -borderwidth] \
            + 2*[.b cget -highlightthickness]}]
    incr expectedheight 2   ; # added (hardcoded) in tkUnixButton.c
    lappend result [expr $expectedheight == [winfo reqheight .b]]
} -cleanup {
    destroy .b
} -result {1 1 1 1}

test button-5.25 {ConfigureButton - computing geometry} -setup {
    button .b -borderwidth 2 -highlightthickness 2 -font {Helvetica -12 bold}
} -body {

    # 1. button with text
    .b configure -text "Sample text"
    pack .b
    set textwidth [font measure [.b cget -font] -displayof .b [.b cget -text]]
    set expectedwidth [expr {$textwidth + 2*[.b cget -borderwidth] \
            + 2*[.b cget -highlightthickness] + 2*[.b cget -padx]}]
    incr expectedwidth 2   ; # added (hardcoded) in tkUnixButton.c
    set result [expr {$expectedwidth == [winfo reqwidth .b]}]
    set linespace [lindex [font metrics [.b cget -font] -displayof .b] 5]
    set expectedheight [expr {$linespace + 2*[.b cget -borderwidth] \
            + 2*[.b cget -highlightthickness] + 2*[.b cget -pady]}]
    incr expectedheight 2   ; # added (hardcoded) in tkUnixButton.c
    lappend result [expr {$expectedheight == [winfo reqheight .b]}]
    # 2. button with a bitmap image
    # there is no access to characteristics the predefined bitmaps,
    # so define one as an image (copied from questhead.xbm)
    set myquesthead [image create bitmap -data {
        #define myquesthead_width 20
        #define myquesthead_height 22
        static unsigned char myquesthead_bits[] = {
................................................................................
           0x50, 0x55, 0x00, 0xb0, 0x0b, 0x00, 0xd0, 0x17, 0x00, 0xb0, 0x0b, 0x00,
           0x58, 0x15, 0x00, 0xa8, 0x2a, 0x00};
    }]
    .b configure -image $myquesthead
    set expectedwidth [expr {[image width $myquesthead] + 2*[.b cget -borderwidth] \
            + 2*[.b cget -highlightthickness]}]
    incr expectedwidth 2   ; # added (hardcoded) in tkUnixButton.c
    lappend result [expr {$expectedwidth == [winfo reqwidth .b]}]
    set expectedheight [expr {[image height $myquesthead] + 2*[.b cget -borderwidth] \
            + 2*[.b cget -highlightthickness]}]
    incr expectedheight 2   ; # added (hardcoded) in tkUnixButton.c
    lappend result [expr {$expectedheight == [winfo reqheight .b]}]
} -cleanup {
    destroy .b
} -result {1 1 1 1}

test button-5.25 {ConfigureButton - computing geometry} -setup {
    button .b -borderwidth 2 -highlightthickness 2 -font {Helvetica -12 bold}
} -body {

} -body {
    set font "-adobe-times-medium-r-normal--*-200-*-*-*-*-*-*"
    set ay [font metrics $font -linespace]
    set ax [font measure $font 0]
    .c create text 0 0 -tag test
    .c itemconfig test -font $font -text 0
    expr {[.c itemconfig test -anchor n; .c bbox test] \
	      eq "[expr -$ax/2-1] 0 [expr $ax/2+1] $ay"}
} -cleanup {
    .c delete test
} -result 1
test canvText-6.2 {ComputeTextBbox procedure} -constraints fonts -setup {
    .c delete test
} -body {
    set font "-adobe-times-medium-r-normal--*-200-*-*-*-*-*-*"
    set ay [font metrics $font -linespace]
    set ax [font measure $font 0]
    .c create text 0 0 -tag test
    .c itemconfig test -font $font -text 0
    expr {[.c itemconfig test -anchor nw; .c bbox test] \
	      eq "-1 0 [expr $ax+1] $ay"}
} -cleanup {
    .c delete test
} -result 1
test canvText-6.3 {ComputeTextBbox procedure} -constraints fonts -setup {
    .c delete test
} -body {
    set font "-adobe-times-medium-r-normal--*-200-*-*-*-*-*-*"

} -body {
    set font "-adobe-times-medium-r-normal--*-200-*-*-*-*-*-*"
    set ay [font metrics $font -linespace]
    set ax [font measure $font 0]
    .c create text 0 0 -tag test
    .c itemconfig test -font $font -text 0
    expr {[.c itemconfig test -anchor n; .c bbox test] \
	      eq "[expr {-$ax/2-1}] 0 [expr {$ax/2+1}] $ay"}
} -cleanup {
    .c delete test
} -result 1
test canvText-6.2 {ComputeTextBbox procedure} -constraints fonts -setup {
    .c delete test
} -body {
    set font "-adobe-times-medium-r-normal--*-200-*-*-*-*-*-*"
    set ay [font metrics $font -linespace]
    set ax [font measure $font 0]
    .c create text 0 0 -tag test
    .c itemconfig test -font $font -text 0
    expr {[.c itemconfig test -anchor nw; .c bbox test] \
	      eq "-1 0 [expr {$ax+1}] $ay"}
} -cleanup {
    .c delete test
} -result 1
test canvText-6.3 {ComputeTextBbox procedure} -constraints fonts -setup {
    .c delete test
} -body {
    set font "-adobe-times-medium-r-normal--*-200-*-*-*-*-*-*"

    # With Tk 8.0.4 the ids are now stored in a hash table. You can use this
    # test as a performance test with older versions by changing the value of
    # size.
    set size 15
    for {set i 0} {$i < $size} {incr i} {
	set x [expr {-10 + 3*$i}]
	for {set j 0; set y -10} {$j < 10} {incr j; incr y 3} {
	    .c create rect ${x}c ${y}c [expr $x+2]c [expr $y+2]c \
		    -outline black -fill blue -tags rect
	    .c create text [expr $x+1]c [expr $y+1]c -text "$i,$j" \
		    -anchor center -tags text
	}
    }
    # The actual bench mark - this code also exercises all the hash table
    # changes.
    set time [lindex [time {
	foreach id [.c find withtag all] {

    # With Tk 8.0.4 the ids are now stored in a hash table. You can use this
    # test as a performance test with older versions by changing the value of
    # size.
    set size 15
    for {set i 0} {$i < $size} {incr i} {
	set x [expr {-10 + 3*$i}]
	for {set j 0; set y -10} {$j < 10} {incr j; incr y 3} {
	    .c create rect ${x}c ${y}c [expr {$x+2}]c [expr {$y+2}]c \
		    -outline black -fill blue -tags rect
	    .c create text [expr {$x+1}]c [expr {$y+1}]c -text "$i,$j" \
		    -anchor center -tags text
	}
    }
    # The actual bench mark - this code also exercises all the hash table
    # changes.
    set time [lindex [time {
	foreach id [.c find withtag all] {

    set red 0
    set green 0
    set blue 0
    for {set y 0} {$y < 8} {incr y} {
	for {set x 0} {$x < 8} {incr x} {
	    frame $w.f$x,$y -width 40 -height 40 -bd 2 -relief raised \
		    -bg [format #%02x%02x%02x $red $green $blue]
	    place $w.f$x,$y -x [expr 40*$x] -y [expr 40*$y]
	    incr red $redInc
	    incr green $greenInc
	    incr blue $blueInc
	}
    }
}

    set red 0
    set green 0
    set blue 0
    for {set y 0} {$y < 8} {incr y} {
	for {set x 0} {$x < 8} {incr x} {
	    frame $w.f$x,$y -width 40 -height 40 -bd 2 -relief raised \
		    -bg [format #%02x%02x%02x $red $green $blue]
	    place $w.f$x,$y -x [expr {40*$x}] -y [expr {40*$y}]
	    incr red $redInc
	    incr green $greenInc
	    incr blue $blueInc
	}
    }
}

    testImageType
} -setup {
    imageCleanup
} -body {
    scan [image create test] image%d first
    image create test myimage
    scan [image create test -variable x] image%d second
    expr $second-$first
} -cleanup {
    imageCleanup
} -result {1}

test image-1.7 {Tk_ImageCmd procedure, "create" option} -constraints {
    testImageType
} -setup {

    testImageType
} -setup {
    imageCleanup
} -body {
    scan [image create test] image%d first
    image create test myimage
    scan [image create test -variable x] image%d second
    expr {$second-$first}
} -cleanup {
    imageCleanup
} -result {1}

test image-1.7 {Tk_ImageCmd procedure, "create" option} -constraints {
    testImageType
} -setup {

    set scrollInfo $args
}

proc getTroughSize {w} {
    if {[testConstraint testmetrics]} {
        # Only Windows has [testmetrics]
	if [string match v* [$w cget -orient]] {
	    return [expr [winfo height $w] - 2*[testmetrics cyvscroll $w]]
	} else {
	    return [expr [winfo width $w] - 2*[testmetrics cxhscroll $w]]
	}
    } else {
        if {[tk windowingsystem] eq "x11"} {
            # Calculations here assume that the arrow area is a square.
	    if [string match v* [$w cget -orient]] {
	        return [expr [winfo height $w] \
		        - ([winfo width $w] \
			    - [$w cget -highlightthickness] \
			    - [$w cget -bd] + 1)*2]
	    } else {
	        return [expr [winfo width $w] \
		        - ([winfo height $w] \
			    - [$w cget -highlightthickness] \
			    - [$w cget -bd] + 1)*2]
	    }
        } else {
            # macOS aqua
	    if [string match v* [$w cget -orient]] {
	        return [expr [winfo height $w] \
			- ([$w cget -highlightthickness] \
			  +[$w cget -bd])*2]
	    } else {
	        return [expr [winfo width $w] \
			- ([$w cget -highlightthickness] \
			  +[$w cget -bd])*2]
	    }
        }
    }
}

# XXX Note: this test file is woefully incomplete.  Right now there are
# only bits and pieces of tests.  Please make this file more complete
# as you fix bugs and add features.

foreach {width height} [wm minsize .] {
    set height [expr ($height < 200) ? 200 : $height]
    set width [expr ($width < 1) ? 1 : $width]
}

frame .f -height $height -width $width
pack .f -side left
scrollbar .s
pack .s -side right -fill y
update
................................................................................
    list [catch {.s delta 18 xxyz} msg] $msg
} {1 {expected integer but got "xxyz"}}
test scrollbar-3.25 {ScrollbarWidgetCmd procedure, "delta" option} {
    format {%.6g} [.s delta 20 0]
} {0}
test scrollbar-3.26 {ScrollbarWidgetCmd procedure, "delta" option} {
    format {%.6g} [.s delta 0 20]
} [format %.6g [expr 20.0/([getTroughSize .s]-1)]]
test scrollbar-3.27 {ScrollbarWidgetCmd procedure, "delta" option} {
    format {%.6g} [.s delta 0 -20]
} [format %.6g [expr -20.0/([getTroughSize .s]-1)]]
test scrollbar-3.28 {ScrollbarWidgetCmd procedure, "delta" option} {
    toplevel .t -width 250 -height 100
    wm geom .t +0+0
    scrollbar .t.s -orient horizontal -borderwidth 2
    place .t.s -width 201
    update
    set result [list [format {%.6g} [.t.s delta 0 20]] \
	    [format {%.6g} [.t.s delta [expr [getTroughSize .t.s] - 1] 0]]]
    destroy .t
    set result
} {0 1}
test scrollbar-3.29 {ScrollbarWidgetCmd procedure, "fraction" option} {
    list [catch {.s fraction 24} msg] $msg
} {1 {wrong # args: should be ".s fraction x y"}}
test scrollbar-3.30 {ScrollbarWidgetCmd procedure, "fraction" option} {
................................................................................
    format {%.6g} [.s fraction 0 0]
} {0}
test scrollbar-3.34 {ScrollbarWidgetCmd procedure, "fraction" option} {
    format {%.6g} [.s fraction 0 1000]
} {1}
test scrollbar-3.35 {ScrollbarWidgetCmd procedure, "fraction" option} {
    format {%.6g} [.s fraction 4 21]
} [format %.6g [expr (21.0 - ([winfo height .s] - [getTroughSize .s])/2.0) \
       /([getTroughSize .s] - 1)]]
test scrollbar-3.36 {ScrollbarWidgetCmd procedure, "fraction" option} x11 {
    format {%.6g} [.s fraction 4 179]
} {1}
test scrollbar-3.37 {ScrollbarWidgetCmd procedure, "fraction" option} {testmetrics} {
    format {%.6g} [.s fraction 4 [expr 200 - [testmetrics cyvscroll .s]]]
} {1}
test scrollbar-3.38 {ScrollbarWidgetCmd procedure, "fraction" option} x11 {
    format {%.6g} [.s fraction 4 178]
} {0.993711}
test scrollbar-3.39 {ScrollbarWidgetCmd procedure, "fraction" option} {testmetrics win} {
    expr \
    [format {%.6g} [.s fraction 4 [expr 200 - [testmetrics cyvscroll .s] - 2]]] \
	== [format %g [expr (200.0 - [testmetrics cyvscroll .s]*2 - 2) \
			   / ($height - 1 - [testmetrics cyvscroll .s]*2)]]
} 1

toplevel .t -width 250 -height 100
wm geom .t +0+0
scrollbar .t.s -orient horizontal -borderwidth 2
place .t.s -width 201
update

test scrollbar-3.41 {ScrollbarWidgetCmd procedure, "fraction" option} {
    format {%.6g} [.t.s fraction 100 0]
} {0.5}
if {[testConstraint testmetrics]} {
    # Only Windows has [testmetrics]
    place configure .t.s -width [expr 2*[testmetrics cxhscroll .t.s]+1]
} else {
    if {[tk windowingsystem] eq "x11"} {
        place configure .t.s -width [expr [winfo height .t.s] - 2*([.t.s cget -highlightthickness] + [.t.s cget -bd] + 1)]
    } else {
        # macOS aqua
        place configure .t.s -width [expr 2*([.t.s cget -highlightthickness] + [.t.s cget -bd])]
    }
}
update
test scrollbar-3.42 {ScrollbarWidgetCmd procedure, "fraction" option} {
    format {%.6g} [.t.s fraction 100 0]
} {0}
destroy .t
................................................................................
test scrollbar-6.4 {ScrollbarPosition procedure} unix {
    .s identify 3 100
} {}
test scrollbar-6.6 {ScrollbarPosition procedure} unix {
    .s identify 19 100
} {}
test scrollbar-6.7 {ScrollbarPosition procedure} {
    .s identify [expr [winfo width .s] / 2] -1
} {}
test scrollbar-6.8 {ScrollbarPosition procedure} {
    .s identify [expr [winfo width .s] / 2] [expr [winfo height .s]]
} {}
test scrollbar-6.9 {ScrollbarPosition procedure} {
    .s identify -1 [expr [winfo height .s] / 2]
} {}
test scrollbar-6.10 {ScrollbarPosition procedure} {
    .s identify [winfo width .s] [expr [winfo height .s] / 2]
} {}
test scrollbar-6.11.1 {ScrollbarPosition procedure} x11 {
    .s identify 8 4
} {arrow1}
test scrollbar-6.11.2 {ScrollbarPosition procedure} aqua {
    # macOS scrollbars have no arrows nowadays
    .s identify 8 4
................................................................................
    .s identify 8 19
} {arrow1}
test scrollbar-6.12.2 {ScrollbarPosition procedure} aqua {
    # macOS scrollbars have no arrows nowadays
    .s identify 8 19
} {trough1}
test scrollbar-6.14 {ScrollbarPosition procedure} win {
    .s identify [expr [winfo width .s] / 2] 0
} {arrow1}
test scrollbar-6.15 {ScrollbarPosition procedure} {testmetrics win} {
    .s identify [expr [winfo width .s] / 2] [expr [testmetrics cyvscroll .s] - 1]
} {arrow1}
test scrollbar-6.16 {ScrollbarPosition procedure} unix {
    .s identify 8 20
} {trough1}
test scrollbar-6.17 {ScrollbarPosition procedure} {unix nonPortable} {
    # Don't know why this is non-portable, but it doesn't work on
    # some platforms.
    .s identify 8 51
} {trough1}
test scrollbar-6.18 {ScrollbarPosition procedure} {testmetrics win} {
    .s identify [expr [winfo width .s] / 2] [testmetrics cyvscroll .s]
} {trough1}
test scrollbar-6.19 {ScrollbarPosition procedure} {testmetrics win} {
    .s identify [expr [winfo width .s] / 2] [expr int(.2 / [.s delta 0 1]) \
						+ [testmetrics cyvscroll .s] - 1]
} {trough1}
test scrollbar-6.20 {ScrollbarPosition procedure} unix {
    .s identify 8 52
} {slider}
test scrollbar-6.21 {ScrollbarPosition procedure} {unix nonPortable} {
    # Don't know why this is non-portable, but it doesn't work on
    # some platforms.
    .s identify 8 83
} {slider}
test scrollbar-6.22 {ScrollbarPosition procedure} {testmetrics win} {
    .s identify [expr [winfo width .s] / 2] \
	[expr int(.2 / [.s delta 0 1] + 0.5) + [testmetrics cyvscroll .s]]
} {slider}
test scrollbar-6.23 {ScrollbarPosition procedure} {testmetrics win} {
    .s identify [expr [winfo width .s] / 2] [expr int(.4 / [.s delta 0 1]) \
						 + [testmetrics cyvscroll .s] - 1]
} {slider}
test scrollbar-6.24 {ScrollbarPosition procedure} unix {
    .s identify 8 84
} {trough2}
test scrollbar-6.25 {ScrollbarPosition procedure} unix {
    .s identify 8 179
} {trough2}
test scrollbar-6.27 {ScrollbarPosition procedure} {testmetrics win} {
    .s identify [expr [winfo width .s] / 2] [expr int(.4 / [.s delta 0 1]) \
						 + [testmetrics cyvscroll .s]]
} {trough2}
test scrollbar-6.28 {ScrollbarPosition procedure} {testmetrics win} {
    .s identify [expr [winfo width .s] / 2] [expr [winfo height .s] \
						 - [testmetrics cyvscroll .s] - 1]
} {trough2}
test scrollbar-6.29.1 {ScrollbarPosition procedure} x11 {
    .s identify 8 180
} {arrow2}
test scrollbar-6.29.2 {ScrollbarPosition procedure} aqua {
    # macOS scrollbars have no arrows nowadays
    .s identify 8 180
................................................................................
    .s identify 8 195
} {arrow2}
test scrollbar-6.30.2 {ScrollbarPosition procedure} aqua {
    # macOS scrollbars have no arrows nowadays
    .s identify 8 195
} {trough2}
test scrollbar-6.32 {ScrollbarPosition procedure} {testmetrics win} {
    .s identify [expr [winfo width .s] / 2]  [expr [winfo height .s] \
						  - [testmetrics cyvscroll .s]]
} {arrow2}
test scrollbar-6.33 {ScrollbarPosition procedure} win {
    .s identify [expr [winfo width .s] / 2] [expr [winfo height .s] - 1]
} {arrow2}
test scrollbar-6.34 {ScrollbarPosition procedure} unix {
    .s identify 4 100
} {trough2}
test scrollbar-6.35 {ScrollbarPosition procedure} unix {
    .s identify 18 100
} {trough2}
test scrollbar-6.37 {ScrollbarPosition procedure} win {
    .s identify 0 100
} {trough2}
test scrollbar-6.38 {ScrollbarPosition procedure} win {
    .s identify [expr [winfo width .s] - 1] 100
} {trough2}

catch {destroy .t}
toplevel .t -width 250 -height 150
wm geometry .t +0+0
scrollbar .t.s -orient horizontal -relief sunken -bd 2 -highlightthickness 2
place .t.s -width 200
................................................................................
    .t.s identify 4 8
} {arrow1}
test scrollbar-6.39.2 {ScrollbarPosition procedure} aqua {
    # macOS scrollbars have no arrows nowadays
    .t.s identify 4 8
} {trough1}
test scrollbar-6.40 {ScrollbarPosition procedure} win {
    .t.s identify 0 [expr [winfo height .t.s] / 2]
} {arrow1}
test scrollbar-6.41.1 {ScrollbarPosition procedure} x11 {
    .t.s identify 82 8
} {slider}
test scrollbar-6.41.2 {ScrollbarPosition procedure} aqua {
    # macOS scrollbars have no arrows nowadays
    .t.s identify 82 8
} {trough2}
test scrollbar-6.43 {ScrollbarPosition procedure} {testmetrics win} {
    .t.s identify [expr int(.4 / [.t.s delta 1 0]) + [testmetrics cxhscroll .t.s] \
		       - 1] [expr [winfo height .t.s] / 2]
} {slider}
test scrollbar-6.44 {ScrollbarPosition procedure} unix {
    .t.s identify 100 18
} {trough2}
test scrollbar-6.46 {ScrollbarPosition procedure} win {
    .t.s identify 100 [expr [winfo height .t.s] - 1]
} {trough2}

test scrollbar-7.1 {EventuallyRedraw} {
    .s configure -orient horizontal
    update
    set result [.s cget -orient]
    .s configure -orient vertical
................................................................................
    scrollbar .t.f.s -command doit
    pack .t.f -fill both -expand 1
    pack .t.f.s -fill y -expand 1 -side right
    wm geometry .t 100x100
    .t.f.s set 0 .5
    update
    set result [winfo exists .t.f.s]
    event generate .t.f.s <ButtonPress> -button 1 -x [expr [winfo width .t.f.s] / 2] -y 5
    event generate .t <ButtonRelease> -button 1
    update
    lappend result [winfo exists .t.f.s] [winfo exists .t.f]
    rename bgerror {}
    set result
} {1 0 0}
test scrollbar-8.2 {TkScrollbarEventProc: recursive deletion} notAqua {
................................................................................
    scrollbar .t.f.s -command doit
    pack .t.f -fill both -expand 1
    pack .t.f.s -fill y -expand 1 -side right
    wm geometry .t 100x100
    .t.f.s set 0 .5
    update
    set result [winfo exists .t.f.s]
    event generate .t.f.s <ButtonPress> -button 1 -x [expr [winfo width .t.f.s] / 2] -y 5
    event generate .t.f <ButtonRelease> -button 1
    update
    lappend result [winfo exists .t.f.s] [winfo exists .t.f]
    rename bgerror {}
    set result
} {1 0 1}

    set scrollInfo $args
}

proc getTroughSize {w} {
    if {[testConstraint testmetrics]} {
        # Only Windows has [testmetrics]
	if [string match v* [$w cget -orient]] {
	    return [expr {[winfo height $w] - 2*[testmetrics cyvscroll $w]}]
	} else {
	    return [expr {[winfo width $w] - 2*[testmetrics cxhscroll $w]}]
	}
    } else {
        if {[tk windowingsystem] eq "x11"} {
            # Calculations here assume that the arrow area is a square.
	    if [string match v* [$w cget -orient]] {
	        return [expr {[winfo height $w] \
		        - ([winfo width $w] \
			    - [$w cget -highlightthickness] \
			    - [$w cget -bd] + 1)*2}]
	    } else {
	        return [expr {[winfo width $w] \
		        - ([winfo height $w] \
			    - [$w cget -highlightthickness] \
			    - [$w cget -bd] + 1)*2}]
	    }
        } else {
            # macOS aqua
	    if [string match v* [$w cget -orient]] {
	        return [expr {[winfo height $w] \
			- ([$w cget -highlightthickness] \
			  +[$w cget -bd])*2}]
	    } else {
	        return [expr {[winfo width $w] \
			- ([$w cget -highlightthickness] \
			  +[$w cget -bd])*2}]
	    }
        }
    }
}

# XXX Note: this test file is woefully incomplete.  Right now there are
# only bits and pieces of tests.  Please make this file more complete
# as you fix bugs and add features.

foreach {width height} [wm minsize .] {
    set height [expr {($height < 200) ? 200 : $height}]
    set width [expr {($width < 1) ? 1 : $width}]
}

frame .f -height $height -width $width
pack .f -side left
scrollbar .s
pack .s -side right -fill y
update
................................................................................
    list [catch {.s delta 18 xxyz} msg] $msg
} {1 {expected integer but got "xxyz"}}
test scrollbar-3.25 {ScrollbarWidgetCmd procedure, "delta" option} {
    format {%.6g} [.s delta 20 0]
} {0}
test scrollbar-3.26 {ScrollbarWidgetCmd procedure, "delta" option} {
    format {%.6g} [.s delta 0 20]
} [format %.6g [expr {20.0/([getTroughSize .s]-1)}]]
test scrollbar-3.27 {ScrollbarWidgetCmd procedure, "delta" option} {
    format {%.6g} [.s delta 0 -20]
} [format %.6g [expr {-20.0/([getTroughSize .s]-1)}]]
test scrollbar-3.28 {ScrollbarWidgetCmd procedure, "delta" option} {
    toplevel .t -width 250 -height 100
    wm geom .t +0+0
    scrollbar .t.s -orient horizontal -borderwidth 2
    place .t.s -width 201
    update
    set result [list [format {%.6g} [.t.s delta 0 20]] \
	    [format {%.6g} [.t.s delta [expr {[getTroughSize .t.s] - 1}] 0]]]
    destroy .t
    set result
} {0 1}
test scrollbar-3.29 {ScrollbarWidgetCmd procedure, "fraction" option} {
    list [catch {.s fraction 24} msg] $msg
} {1 {wrong # args: should be ".s fraction x y"}}
test scrollbar-3.30 {ScrollbarWidgetCmd procedure, "fraction" option} {
................................................................................
    format {%.6g} [.s fraction 0 0]
} {0}
test scrollbar-3.34 {ScrollbarWidgetCmd procedure, "fraction" option} {
    format {%.6g} [.s fraction 0 1000]
} {1}
test scrollbar-3.35 {ScrollbarWidgetCmd procedure, "fraction" option} {
    format {%.6g} [.s fraction 4 21]
} [format %.6g [expr {(21.0 - ([winfo height .s] - [getTroughSize .s])/2.0) \
       /([getTroughSize .s] - 1)}]]
test scrollbar-3.36 {ScrollbarWidgetCmd procedure, "fraction" option} x11 {
    format {%.6g} [.s fraction 4 179]
} {1}
test scrollbar-3.37 {ScrollbarWidgetCmd procedure, "fraction" option} {testmetrics} {
    format {%.6g} [.s fraction 4 [expr {200 - [testmetrics cyvscroll .s]}]]
} {1}
test scrollbar-3.38 {ScrollbarWidgetCmd procedure, "fraction" option} x11 {
    format {%.6g} [.s fraction 4 178]
} {0.993711}
test scrollbar-3.39 {ScrollbarWidgetCmd procedure, "fraction" option} {testmetrics win} {
    expr {
    [format {%.6g} [.s fraction 4 [expr {200 - [testmetrics cyvscroll .s] - 2}]]]
	== [format %g [expr {(200.0 - [testmetrics cyvscroll .s]*2 - 2)
			   / ($height - 1 - [testmetrics cyvscroll .s]*2)}]]}
} 1

toplevel .t -width 250 -height 100
wm geom .t +0+0
scrollbar .t.s -orient horizontal -borderwidth 2
place .t.s -width 201
update

test scrollbar-3.41 {ScrollbarWidgetCmd procedure, "fraction" option} {
    format {%.6g} [.t.s fraction 100 0]
} {0.5}
if {[testConstraint testmetrics]} {
    # Only Windows has [testmetrics]
    place configure .t.s -width [expr {2*[testmetrics cxhscroll .t.s]+1}]
} else {
    if {[tk windowingsystem] eq "x11"} {
        place configure .t.s -width [expr {[winfo height .t.s] - 2*([.t.s cget -highlightthickness] + [.t.s cget -bd] + 1)}]
    } else {
        # macOS aqua
        place configure .t.s -width [expr {2*([.t.s cget -highlightthickness] + [.t.s cget -bd])}]
    }
}
update
test scrollbar-3.42 {ScrollbarWidgetCmd procedure, "fraction" option} {
    format {%.6g} [.t.s fraction 100 0]
} {0}
destroy .t
................................................................................
test scrollbar-6.4 {ScrollbarPosition procedure} unix {
    .s identify 3 100
} {}
test scrollbar-6.6 {ScrollbarPosition procedure} unix {
    .s identify 19 100
} {}
test scrollbar-6.7 {ScrollbarPosition procedure} {
    .s identify [expr {[winfo width .s] / 2}] -1
} {}
test scrollbar-6.8 {ScrollbarPosition procedure} {
    .s identify [expr {[winfo width .s] / 2}] [winfo height .s]
} {}
test scrollbar-6.9 {ScrollbarPosition procedure} {
    .s identify -1 [expr {[winfo height .s] / 2}]
} {}
test scrollbar-6.10 {ScrollbarPosition procedure} {
    .s identify [winfo width .s] [expr {[winfo height .s] / 2}]
} {}
test scrollbar-6.11.1 {ScrollbarPosition procedure} x11 {
    .s identify 8 4
} {arrow1}
test scrollbar-6.11.2 {ScrollbarPosition procedure} aqua {
    # macOS scrollbars have no arrows nowadays
    .s identify 8 4
................................................................................
    .s identify 8 19
} {arrow1}
test scrollbar-6.12.2 {ScrollbarPosition procedure} aqua {
    # macOS scrollbars have no arrows nowadays
    .s identify 8 19
} {trough1}
test scrollbar-6.14 {ScrollbarPosition procedure} win {
    .s identify [expr {[winfo width .s] / 2}] 0
} {arrow1}
test scrollbar-6.15 {ScrollbarPosition procedure} {testmetrics win} {
    .s identify [expr {[winfo width .s] / 2}] [expr {[testmetrics cyvscroll .s] - 1}]
} {arrow1}
test scrollbar-6.16 {ScrollbarPosition procedure} unix {
    .s identify 8 20
} {trough1}
test scrollbar-6.17 {ScrollbarPosition procedure} {unix nonPortable} {
    # Don't know why this is non-portable, but it doesn't work on
    # some platforms.
    .s identify 8 51
} {trough1}
test scrollbar-6.18 {ScrollbarPosition procedure} {testmetrics win} {
    .s identify [expr {[winfo width .s] / 2}] [testmetrics cyvscroll .s]
} {trough1}
test scrollbar-6.19 {ScrollbarPosition procedure} {testmetrics win} {
    .s identify [expr {[winfo width .s] / 2}] [expr {int(.2 / [.s delta 0 1])
						+ [testmetrics cyvscroll .s] - 1}]
} {trough1}
test scrollbar-6.20 {ScrollbarPosition procedure} unix {
    .s identify 8 52
} {slider}
test scrollbar-6.21 {ScrollbarPosition procedure} {unix nonPortable} {
    # Don't know why this is non-portable, but it doesn't work on
    # some platforms.
    .s identify 8 83
} {slider}
test scrollbar-6.22 {ScrollbarPosition procedure} {testmetrics win} {
    .s identify [expr {[winfo width .s] / 2}] \
	[expr {int(.2 / [.s delta 0 1] + 0.5) + [testmetrics cyvscroll .s]}]
} {slider}
test scrollbar-6.23 {ScrollbarPosition procedure} {testmetrics win} {
    .s identify [expr {[winfo width .s] / 2}] [expr {int(.4 / [.s delta 0 1])
						 + [testmetrics cyvscroll .s] - 1}]
} {slider}
test scrollbar-6.24 {ScrollbarPosition procedure} unix {
    .s identify 8 84
} {trough2}
test scrollbar-6.25 {ScrollbarPosition procedure} unix {
    .s identify 8 179
} {trough2}
test scrollbar-6.27 {ScrollbarPosition procedure} {testmetrics win} {
    .s identify [expr {[winfo width .s] / 2}] [expr {int(.4 / [.s delta 0 1])
						 + [testmetrics cyvscroll .s]}]
} {trough2}
test scrollbar-6.28 {ScrollbarPosition procedure} {testmetrics win} {
    .s identify [expr {[winfo width .s] / 2}] [expr {[winfo height .s]
						 - [testmetrics cyvscroll .s] - 1}]
} {trough2}
test scrollbar-6.29.1 {ScrollbarPosition procedure} x11 {
    .s identify 8 180
} {arrow2}
test scrollbar-6.29.2 {ScrollbarPosition procedure} aqua {
    # macOS scrollbars have no arrows nowadays
    .s identify 8 180
................................................................................
    .s identify 8 195
} {arrow2}
test scrollbar-6.30.2 {ScrollbarPosition procedure} aqua {
    # macOS scrollbars have no arrows nowadays
    .s identify 8 195
} {trough2}
test scrollbar-6.32 {ScrollbarPosition procedure} {testmetrics win} {
    .s identify [expr {[winfo width .s] / 2}]  [expr {[winfo height .s]
						  - [testmetrics cyvscroll .s]}]
} {arrow2}
test scrollbar-6.33 {ScrollbarPosition procedure} win {
    .s identify [expr {[winfo width .s] / 2}] [expr {[winfo height .s] - 1}]
} {arrow2}
test scrollbar-6.34 {ScrollbarPosition procedure} unix {
    .s identify 4 100
} {trough2}
test scrollbar-6.35 {ScrollbarPosition procedure} unix {
    .s identify 18 100
} {trough2}
test scrollbar-6.37 {ScrollbarPosition procedure} win {
    .s identify 0 100
} {trough2}
test scrollbar-6.38 {ScrollbarPosition procedure} win {
    .s identify [expr {[winfo width .s] - 1}] 100
} {trough2}

catch {destroy .t}
toplevel .t -width 250 -height 150
wm geometry .t +0+0
scrollbar .t.s -orient horizontal -relief sunken -bd 2 -highlightthickness 2
place .t.s -width 200
................................................................................
    .t.s identify 4 8
} {arrow1}
test scrollbar-6.39.2 {ScrollbarPosition procedure} aqua {
    # macOS scrollbars have no arrows nowadays
    .t.s identify 4 8
} {trough1}
test scrollbar-6.40 {ScrollbarPosition procedure} win {
    .t.s identify 0 [expr {[winfo height .t.s] / 2}]
} {arrow1}
test scrollbar-6.41.1 {ScrollbarPosition procedure} x11 {
    .t.s identify 82 8
} {slider}
test scrollbar-6.41.2 {ScrollbarPosition procedure} aqua {
    # macOS scrollbars have no arrows nowadays
    .t.s identify 82 8
} {trough2}
test scrollbar-6.43 {ScrollbarPosition procedure} {testmetrics win} {
    .t.s identify [expr {int(.4 / [.t.s delta 1 0]) + [testmetrics cxhscroll .t.s]
		       - 1}] [expr {[winfo height .t.s] / 2}]
} {slider}
test scrollbar-6.44 {ScrollbarPosition procedure} unix {
    .t.s identify 100 18
} {trough2}
test scrollbar-6.46 {ScrollbarPosition procedure} win {
    .t.s identify 100 [expr {[winfo height .t.s] - 1}]
} {trough2}

test scrollbar-7.1 {EventuallyRedraw} {
    .s configure -orient horizontal
    update
    set result [.s cget -orient]
    .s configure -orient vertical
................................................................................
    scrollbar .t.f.s -command doit
    pack .t.f -fill both -expand 1
    pack .t.f.s -fill y -expand 1 -side right
    wm geometry .t 100x100
    .t.f.s set 0 .5
    update
    set result [winfo exists .t.f.s]
    event generate .t.f.s <ButtonPress> -button 1 -x [expr {[winfo width .t.f.s] / 2}] -y 5
    event generate .t <ButtonRelease> -button 1
    update
    lappend result [winfo exists .t.f.s] [winfo exists .t.f]
    rename bgerror {}
    set result
} {1 0 0}
test scrollbar-8.2 {TkScrollbarEventProc: recursive deletion} notAqua {
................................................................................
    scrollbar .t.f.s -command doit
    pack .t.f -fill both -expand 1
    pack .t.f.s -fill y -expand 1 -side right
    wm geometry .t 100x100
    .t.f.s set 0 .5
    update
    set result [winfo exists .t.f.s]
    event generate .t.f.s <ButtonPress> -button 1 -x [expr {[winfo width .t.f.s] / 2}] -y 5
    event generate .t.f <ButtonRelease> -button 1
    update
    lappend result [winfo exists .t.f.s] [winfo exists .t.f]
    rename bgerror {}
    set result
} {1 0 1}

proc handler {type offset count} {
    global selValue selInfo
    lappend selInfo $type $offset $count
    set numBytes [expr {[string length $selValue] - $offset}]
    if {$numBytes <= 0} {
	return ""
    }
    string range $selValue $offset [expr $numBytes+$offset]
}

proc errIncrHandler {type offset count} {
    global selValue selInfo pass
    if {$offset == 4000} {
	if {$pass == 0} {
	    # Just sizing the selection;  don't do anything here.
................................................................................
	}
    }
    lappend selInfo $type $offset $count
    set numBytes [expr {[string length $selValue] - $offset}]
    if {$numBytes <= 0} {
	return ""
    }
    string range $selValue $offset [expr $numBytes+$offset]
}

proc errHandler args {
    error "selection handler aborted"
}

proc badHandler {path type offset count} {
................................................................................
    global selValue selInfo
    selection handle -type $type $path {}
    lappend selInfo $path $type $offset $count
    set numBytes [expr {[string length $selValue] - $offset}]
    if {$numBytes <= 0} {
	return ""
    }
    string range $selValue $offset [expr $numBytes+$offset]
}
proc reallyBadHandler {path type offset count} {
    global selValue selInfo pass
    if {$offset == 4000} {
	if {$pass == 0} {
	    set pass 1
	} else {
................................................................................
	}
    }
    lappend selInfo $path $type $offset $count
    set numBytes [expr {[string length $selValue] - $offset}]
    if {$numBytes <= 0} {
	return ""
    }
    string range $selValue $offset [expr $numBytes+$offset]
}

# Eliminate any existing selection on the screen.  This is needed in case
# there is a selection in some other application, in order to prevent races
# from causing false errors in the tests below.

selection clear .
................................................................................
	    selection handle -type $type $path {}
	}
	lappend selInfo $path $type $offset $count
	set numBytes [expr {[string length $selValue] - $offset}]
	if {$numBytes <= 0} {
	    return ""
	}
	string range $selValue $offset [expr $numBytes+$offset]
    }
    set selValue $longValue
    set selInfo ""
    selection handle .f1 {badHandler .f1 STRING}
    set result ""
    set abortCount 2
    lappend result [dobg {selection get}]

proc handler {type offset count} {
    global selValue selInfo
    lappend selInfo $type $offset $count
    set numBytes [expr {[string length $selValue] - $offset}]
    if {$numBytes <= 0} {
	return ""
    }
    string range $selValue $offset [expr {$numBytes+$offset}]
}

proc errIncrHandler {type offset count} {
    global selValue selInfo pass
    if {$offset == 4000} {
	if {$pass == 0} {
	    # Just sizing the selection;  don't do anything here.
................................................................................
	}
    }
    lappend selInfo $type $offset $count
    set numBytes [expr {[string length $selValue] - $offset}]
    if {$numBytes <= 0} {
	return ""
    }
    string range $selValue $offset [expr {$numBytes+$offset}]
}

proc errHandler args {
    error "selection handler aborted"
}

proc badHandler {path type offset count} {
................................................................................
    global selValue selInfo
    selection handle -type $type $path {}
    lappend selInfo $path $type $offset $count
    set numBytes [expr {[string length $selValue] - $offset}]
    if {$numBytes <= 0} {
	return ""
    }
    string range $selValue $offset [expr {$numBytes+$offset}]
}
proc reallyBadHandler {path type offset count} {
    global selValue selInfo pass
    if {$offset == 4000} {
	if {$pass == 0} {
	    set pass 1
	} else {
................................................................................
	}
    }
    lappend selInfo $path $type $offset $count
    set numBytes [expr {[string length $selValue] - $offset}]
    if {$numBytes <= 0} {
	return ""
    }
    string range $selValue $offset [expr {$numBytes+$offset}]
}

# Eliminate any existing selection on the screen.  This is needed in case
# there is a selection in some other application, in order to prevent races
# from causing false errors in the tests below.

selection clear .
................................................................................
	    selection handle -type $type $path {}
	}
	lappend selInfo $path $type $offset $count
	set numBytes [expr {[string length $selValue] - $offset}]
	if {$numBytes <= 0} {
	    return ""
	}
	string range $selValue $offset [expr {$numBytes+$offset}]
    }
    set selValue $longValue
    set selInfo ""
    selection handle .f1 {badHandler .f1 STRING}
    set result ""
    set abortCount 2
    lappend result [dobg {selection get}]

test text-9.2.45 {TextWidgetCmd procedure, "count" option} -setup {
    text .t
    pack .t
    update
    set res {}
} -body {
    for {set i 1} {$i < 5} {incr i} {
      .t insert end "Line $i+++Line $i---Line $i///Line $i - This is Line [format %c [expr 64+$i]]\n"
    }
    .t tag configure hidden -elide true
    .t tag add hidden 2.15 3.10
    .t configure -wrap none
    set res [.t count -displaylines 2.0 3.0]
} -cleanup {
    destroy .t
................................................................................
    .mytop.t delete 1.0 end
    update
    set res {}
} -body {
    for {set i 1} {$i < 5} {incr i} {
      #                    0          1          2          3          4
      #                    012345 678901234 567890123 456789012 34567890123456789
      .mytop.t insert end "Line $i+++Line $i---Line $i///Line $i - This is Line [format %c [expr 64+$i]]\n"
    }
    .mytop.t tag configure hidden -elide true
    .mytop.t tag add hidden 2.30 3.10
    lappend res [.mytop.t count -displaylines 2.0 3.0]
    lappend res [.mytop.t count -displaylines 2.0 3.50]
} -cleanup {
    destroy .mytop
................................................................................
test text-23.4 {TkTextGetTabs procedure} -setup {
    text .t -highlightthickness 0 -bd 0 -relief flat -padx 0 -width 100
    pack .t
} -body {
    .t insert end "1\t2\t3\t4\t55.5"
    .t configure -tabs {100 right 200 left 300 center 400 numeric}
    update idletasks
    list [expr [lindex [.t bbox 1.2] 0] + [lindex [.t bbox 1.2] 2]] \
	    [lindex [.t bbox 1.4] 0] \
	    [expr [lindex [.t bbox 1.6] 0] + [lindex [.t bbox 1.6] 2]/2] \
	    [lindex [.t bbox 1.10] 0]
} -cleanup {
    destroy .t
} -result {100 200 300 400}
test text-23.5 {TkTextGetTabs procedure} -setup {
    text .t -highlightthickness 0 -bd 0 -relief flat -padx 0 -width 100
    pack .t
} -body {
    .t insert end "1\t2\t3\t4\t55.5"
    .t configure -tabs {105 r 205 l 305 c 405 n}
    update idletasks
    list [expr [lindex [.t bbox 1.2] 0] + [lindex [.t bbox 1.2] 2]] \
	    [lindex [.t bbox 1.4] 0] \
	    [expr [lindex [.t bbox 1.6] 0] + [lindex [.t bbox 1.6] 2]/2] \
	    [lindex [.t bbox 1.10] 0]
} -cleanup {
    destroy .t
} -result {105 205 305 405}
test text-23.6 {TkTextGetTabs procedure} -setup {
    text .t -highlightthickness 0 -bd 0 -relief flat -padx 0 -width 100
    pack .t

test text-9.2.45 {TextWidgetCmd procedure, "count" option} -setup {
    text .t
    pack .t
    update
    set res {}
} -body {
    for {set i 1} {$i < 5} {incr i} {
      .t insert end "Line $i+++Line $i---Line $i///Line $i - This is Line [format %c [expr {64+$i}]]\n"
    }
    .t tag configure hidden -elide true
    .t tag add hidden 2.15 3.10
    .t configure -wrap none
    set res [.t count -displaylines 2.0 3.0]
} -cleanup {
    destroy .t
................................................................................
    .mytop.t delete 1.0 end
    update
    set res {}
} -body {
    for {set i 1} {$i < 5} {incr i} {
      #                    0          1          2          3          4
      #                    012345 678901234 567890123 456789012 34567890123456789
      .mytop.t insert end "Line $i+++Line $i---Line $i///Line $i - This is Line [format %c [expr {64+$i}]]\n"
    }
    .mytop.t tag configure hidden -elide true
    .mytop.t tag add hidden 2.30 3.10
    lappend res [.mytop.t count -displaylines 2.0 3.0]
    lappend res [.mytop.t count -displaylines 2.0 3.50]
} -cleanup {
    destroy .mytop
................................................................................
test text-23.4 {TkTextGetTabs procedure} -setup {
    text .t -highlightthickness 0 -bd 0 -relief flat -padx 0 -width 100
    pack .t
} -body {
    .t insert end "1\t2\t3\t4\t55.5"
    .t configure -tabs {100 right 200 left 300 center 400 numeric}
    update idletasks
    list [expr {[lindex [.t bbox 1.2] 0] + [lindex [.t bbox 1.2] 2]}] \
	    [lindex [.t bbox 1.4] 0] \
	    [expr {[lindex [.t bbox 1.6] 0] + [lindex [.t bbox 1.6] 2]/2}] \
	    [lindex [.t bbox 1.10] 0]
} -cleanup {
    destroy .t
} -result {100 200 300 400}
test text-23.5 {TkTextGetTabs procedure} -setup {
    text .t -highlightthickness 0 -bd 0 -relief flat -padx 0 -width 100
    pack .t
} -body {
    .t insert end "1\t2\t3\t4\t55.5"
    .t configure -tabs {105 r 205 l 305 c 405 n}
    update idletasks
    list [expr {[lindex [.t bbox 1.2] 0] + [lindex [.t bbox 1.2] 2]}] \
	    [lindex [.t bbox 1.4] 0] \
	    [expr {[lindex [.t bbox 1.6] 0] + [lindex [.t bbox 1.6] 2]/2}] \
	    [lindex [.t bbox 1.10] 0]
} -cleanup {
    destroy .t
} -result {105 205 305 405}
test text-23.6 {TkTextGetTabs procedure} -setup {
    text .t -highlightthickness 0 -bd 0 -relief flat -padx 0 -width 100
    pack .t

    for {set i 0} {$i < 200} {incr i} {
        append bigText2 "Line $i\n"
    }
} -body {
    setup
    .t insert 1.1 $bigText2
    for {set i 0} {$i < 100} {incr i} {
        set j [expr $i+2]
        set k [expr 1+2*$i]
        .t tag add x $j.1 $j.3
        .t tag add y $k.1 $k.6
    }
    .t delete 2.0 200.0
    list [.t tag ranges x] [.t tag ranges y]
} -result {{3.0 3.1 3.4 3.12 4.2 4.6} {1.1 1.6 3.4 3.5}}
test btree-6.6 {very large deletes, with tags} -setup {
................................................................................
    for {set i 0} {$i < 200} {incr i} {
        append bigText2 "Line $i\n"
    }
} -body {
    setup
    .t insert 1.1 $bigText2
    for {set i 0} {$i < 100} {incr i} {
        set j [expr $i+2]
        set k [expr 1+2*$i]
        .t tag add x $j.1 $j.3
        .t tag add y $k.1 $k.6
    }
    for {set i 199} {$i >= 2} {incr i -1} {
        .t delete $i.0 [expr $i+1].0
    }
    list [.t tag ranges x] [.t tag ranges y]
} -result {{3.0 3.1 3.4 3.12 4.2 4.6} {1.1 1.6 3.4 3.5}}


test btree-7.1 {tag addition and removal} -setup {
    .t delete 1.0 end

    for {set i 0} {$i < 200} {incr i} {
        append bigText2 "Line $i\n"
    }
} -body {
    setup
    .t insert 1.1 $bigText2
    for {set i 0} {$i < 100} {incr i} {
        set j [expr {$i+2}]
        set k [expr {1+2*$i}]
        .t tag add x $j.1 $j.3
        .t tag add y $k.1 $k.6
    }
    .t delete 2.0 200.0
    list [.t tag ranges x] [.t tag ranges y]
} -result {{3.0 3.1 3.4 3.12 4.2 4.6} {1.1 1.6 3.4 3.5}}
test btree-6.6 {very large deletes, with tags} -setup {
................................................................................
    for {set i 0} {$i < 200} {incr i} {
        append bigText2 "Line $i\n"
    }
} -body {
    setup
    .t insert 1.1 $bigText2
    for {set i 0} {$i < 100} {incr i} {
        set j [expr {$i+2}]
        set k [expr {1+2*$i}]
        .t tag add x $j.1 $j.3
        .t tag add y $k.1 $k.6
    }
    for {set i 199} {$i >= 2} {incr i -1} {
        .t delete $i.0 [expr {$i+1}].0
    }
    list [.t tag ranges x] [.t tag ranges y]
} -result {{3.0 3.1 3.4 3.12 4.2 4.6} {1.1 1.6 3.4 3.5}}


test btree-7.1 {tag addition and removal} -setup {
    .t delete 1.0 end

.t tag delete x y

test textDisp-2.1 {LayoutDLine, basics} {
    .t configure -wrap char
    .t delete 1.0 end
    .t insert 1.0 "This is some sample text for testing."
    list [.t bbox 1.19] [.t bbox 1.20]
} [list [list [expr 5 + $fixedWidth * 19] 5 $fixedWidth $fixedHeight] [list 5 [expr 5 + $fixedHeight] $fixedWidth $fixedHeight]]
test textDisp-2.2 {LayoutDLine, basics} {textfonts} {
    .t configure -wrap char
    .t delete 1.0 end
    .t insert 1.0 "This isx some sample text for testing."
    list [.t bbox 1.19] [.t bbox 1.20]
} [list [list 138 5 7 $fixedHeight] [list 5 [expr {$fixedDiff + 18}] 7 $fixedHeight]]
test textDisp-2.3 {LayoutDLine, basics} {textfonts} {
................................................................................
    list [.t bbox 1.2] [.t bbox 1.5] [.t bbox 1.11]
} [list [list 19 5 7 $fixedHeight] [list 40 5 7 $fixedHeight] [list 82 5 7 $fixedHeight]]
foreach m [.t mark names] {
    catch {.t mark unset $m}
}
scan [wm geom .] %dx%d width height
test textDisp-2.8 {LayoutDLine, extra chunk at end of dline} {textfonts} {
    wm geom . [expr $width+1]x$height
    update
    .t configure -wrap char
    .t delete 1.0 end
    .t insert 1.0 "This isxx some sample text for testing."
    .t mark set foo 1.20
    list [.t bbox 1.19] [.t bbox 1.20]
} [list [list 138 5 8 $fixedHeight] [list 5 [expr {$fixedDiff + 18}] 7 $fixedHeight]]
................................................................................
    .t configure -wrap word
    .t delete 1.0 end
    .t tag delete x y
    .t insert end "Short line\nLine 2 is long enough "
    .t insert end "to wrap around a couple of times"
    .t insert end "\nLine 3\nLine 4"
    set i [.t dlineinfo 1.0]
    set b1 [expr [lindex $i 1] + [lindex $i 4]]
    set i [.t dlineinfo 2.0]
    set b2 [expr [lindex $i 1] + [lindex $i 4]]
    set i [.t dlineinfo 2.end]
    set b3 [expr [lindex $i 1] + [lindex $i 4]]
    set i [.t dlineinfo 3.0]
    set b4 [expr [lindex $i 1] + [lindex $i 4]]
    .t configure -spacing1 2 -spacing2 1 -spacing3 3
    set i [.t dlineinfo 1.0]
    set b1 [expr [lindex $i 1] + [lindex $i 4] - $b1]
    set i [.t dlineinfo 2.0]
    set b2 [expr [lindex $i 1] + [lindex $i 4] - $b2]
    set i [.t dlineinfo 2.end]
    set b3 [expr [lindex $i 1] + [lindex $i 4] - $b3]
    set i [.t dlineinfo 3.0]
    set b4 [expr [lindex $i 1] + [lindex $i 4] - $b4]
    list $b1 $b2 $b3 $b4
} [list 2 7 10 15]
.t configure -spacing1 0 -spacing2 0 -spacing3 0
test textDisp-2.23 {LayoutDLine, spacing options} {textfonts} {
    .t configure -wrap word
    .t delete 1.0 end
    .t tag delete x y
    .t insert end "Short line\nLine 2 is long enough "
    .t insert end "to wrap around a couple of times"
    .t insert end "\nLine 3\nLine 4"
    set i [.t dlineinfo 1.0]
    set b1 [expr [lindex $i 1] + [lindex $i 4]]
    set i [.t dlineinfo 2.0]
    set b2 [expr [lindex $i 1] + [lindex $i 4]]
    set i [.t dlineinfo 2.end]
    set b3 [expr [lindex $i 1] + [lindex $i 4]]
    set i [.t dlineinfo 3.0]
    set b4 [expr [lindex $i 1] + [lindex $i 4]]
    .t configure -spacing1 4 -spacing2 4 -spacing3 4
    .t tag configure x -spacing1 1 -spacing2 2 -spacing3 3
    .t tag add x 1.0 end
    .t tag configure y -spacing1 0 -spacing2 3
    .t tag add y 2.19 end
    .t tag raise y
    set i [.t dlineinfo 1.0]
    set b1 [expr [lindex $i 1] + [lindex $i 4] - $b1]
    set i [.t dlineinfo 2.0]
    set b2 [expr [lindex $i 1] + [lindex $i 4] - $b2]
    set i [.t dlineinfo 2.end]
    set b3 [expr [lindex $i 1] + [lindex $i 4] - $b3]
    set i [.t dlineinfo 3.0]
    set b4 [expr [lindex $i 1] + [lindex $i 4] - $b4]
    list $b1 $b2 $b3 $b4
} [list 1 5 13 16]
.t configure -spacing1 0 -spacing2 0 -spacing3 0
test textDisp-2.24 {LayoutDLine, tabs, saving from first chunk} {textfonts} {
    .t delete 1.0 end
    .t tag delete x y
    .t tag configure x -tabs 70
................................................................................
    update
    list $tk_textRelayout $tk_textRedraw
} {2.0 {2.0 eof}}
test textDisp-9.13 {TkTextRedrawTag} {
    .t configure -wrap none
    .t delete 1.0 end
    for {set i 1} {$i < 10} {incr i} {
        .t insert end "Line $i - This is Line [format %c [expr 64+$i]]\n"
    }
    .t tag add hidden 2.8 2.17
    .t tag add hidden 6.8 7.17
    .t tag configure hidden -background red
    .t tag configure hidden -elide true
    update
    .t tag configure hidden -elide false
................................................................................
    pack .top.t
    .top.t insert end "Line 1"
    for {set i 2} {$i <= 100} {incr i} {
	.top.t insert end "\nLine $i"
    }
    update
    scan [wm geometry .top] "%dx%d" w2 h2
    wm geometry .top ${w2}x[expr $h2-2]
    update
    .top.t yview 1.0
    update
    set tk_textRedraw {}
    .top.t see 5.0
    update
    # Note, with smooth scrolling, the results of this test
................................................................................
    lappend x [.t bbox 30.60]
    .t see 30.65
    lappend x [.t bbox 30.65]
    .t see 30.90
    lappend x [.t bbox 30.90]
} [list [list 73 [expr {9*$fixedDiff/2 + 64}] 7 $fixedHeight] [list 136 [expr {9*$fixedDiff/2 + 64}] 7 $fixedHeight] [list 136 [expr {9*$fixedDiff/2 + 64}] 7 $fixedHeight] [list 73 [expr {9*$fixedDiff/2 + 64}] 7 $fixedHeight]]
test textDisp-13.9 {TkTextSeeCmd procedure} {textfonts} {
    wm geom . [expr $width-2]x$height
    .t xview moveto 0
    .t yview moveto 0
    .t tag add sel 30.20
    .t tag add sel 30.50
    update
    .t see 30.50
    set x [list [.t bbox 30.50]]
................................................................................
    .t yview scroll 2 pages
    .t index @0,0
} {66.0}
test textDisp-16.28 {TkTextYviewCmd procedure, "scroll" option, forward pages} {textfonts} {
    .t yview 98.0
    update
    .t yview scroll 1 page
    set res [expr int([.t index @0,0])]
    if {$fixedDiff > 1} {
	incr res -1
    }
    set res
} {102}
test textDisp-16.29 {TkTextYviewCmd procedure, "scroll" option, forward pages} {
    .t configure -height 1
................................................................................
    .t delete 1.0 end
    foreach x [list 0 1 2 3 4 5 6 7 8 9 0] {
      .t insert end "$x aaa1\n$x bbb2\n$x ccc3\n$x ddd4\n$x eee5\n$x fff6"
      .t insert end "$x 1111\n$x 2222\n$x 3333\n$x 4444\n$x 5555\n$x 6666" hidden
    }
    .t tag configure hidden -elide true ; # 5 hidden lines
    update
    .t see [expr {5 + [winfo height .t] / $fixedHeight} + 1].0
    update
    .t index @0,0
} {2.0}

.t delete 1.0 end
foreach i {a b c d e f g h i j k l m n o p q r s t u v w x y z} {
    .t insert end "\nLine $i 11111 $i 22222 $i 33333 $i 44444 $i 55555"
................................................................................
    wm geometry .top +0+0
    text .top.t -width 40 -height 5 -font $fixedFont
    pack .top.t -expand yes -fill both
    .top.t insert end "Line 1\nLine 2\nLine 3\nLine 4\nLine 5"
    # Need to wait for asychronous calculations to complete.
    update ; after 10
    scan [wm geom .top] %dx%d twidth theight
    wm geom .top ${twidth}x[expr $theight - 3]
    update
    .top.t yview
} [list 0.0 [expr {(5.0 * $fixedHeight - 3.0)/ (5.0 * $fixedHeight)}]]
test textDisp-19.13 {GetYView procedure, partially visible last line} {textfonts} {
    catch {destroy .top}
    toplevel .top
    wm geometry .top +0+0
    text .top.t -width 40 -height 5 -font $fixedFont
    pack .top.t -expand yes -fill both
    .top.t insert end "Line 1\nLine 2\nLine 3\nLine 4 has enough text to wrap around at least once"
    # Need to wait for asychronous calculations to complete.
    update ; after 10
    scan [wm geom .top] %dx%d twidth theight
    wm geom .top ${twidth}x[expr $theight - 3]
    update
    .top.t yview
} [list 0.0 [expr {(5.0 * $fixedHeight - 3.0)/ (5.0 * $fixedHeight)}]]
catch {destroy .top}
test textDisp-19.14 {GetYView procedure} {
    .t configure -wrap word
    .t delete 1.0 end
................................................................................
    .t config -wrap none
    .t yview 48.0
    list [.t bbox 50.5] [.t bbox 50.40] [.t bbox 57.0]
} [list [list 38 [expr {3+2*$fixedHeight}] 7 $fixedHeight] {} [list 3 [expr {3+9*$fixedHeight}] 7 $fixedHeight]]
test textDisp-22.3 {TkTextCharBbox, cut-off lines} {textfonts} {
    .t config -wrap char
    .t yview 10.0
    wm geom . ${width}x[expr $height-1]
    update
    list [.t bbox 19.1] [.t bbox 20.1]
} [list [list 10 [expr {3+9*$fixedHeight}] 7 $fixedHeight] [list 10 [expr {3+10*$fixedHeight}] 7 3]]
test textDisp-22.4 {TkTextCharBbox, cut-off lines} {textfonts} {
    .t config -wrap char
    .t yview 10.0
    wm geom . ${width}x[expr $height+1]
    update
    list [.t bbox 19.1] [.t bbox 20.1]
} [list [list 10 [expr {3+9*$fixedHeight}] 7 $fixedHeight] [list 10 [expr {3+10*$fixedHeight}] 7 5]]
test textDisp-22.5 {TkTextCharBbox, cut-off char} {textfonts} {
    .t config -wrap none
    .t yview 10.0
    wm geom . [expr $width-95]x$height
    update
    .t bbox 15.6
} [list 45 [expr {3+5*$fixedHeight}] 7 $fixedHeight]
test textDisp-22.6 {TkTextCharBbox, line visible but not char} {textfonts} {
    .t config -wrap char
    .t yview 10.0
    .t tag add big 20.2 20.5
    wm geom . ${width}x[expr $height+3]
    update
    list [.t bbox 19.1] [.t bbox 20.1] [.t bbox 20.2]
} [list [list 10 [expr {3+9*$fixedHeight}] 7 $fixedHeight] {} [list 17 [expr {3+10*$fixedHeight}] 14 7]]
wm geom . {}
update
test textDisp-22.7 {TkTextCharBbox, different character sizes} {textfonts} {
    .t config -wrap char
................................................................................
	    [.t bbox 1.1] [.t bbox 2.9]
} [list [list 24 11 10 4] [list 55 [expr {$fixedDiff/2 + 15}] 10 4] [list 10 [expr {2*$fixedDiff + 43}] 10 4] [list 76 [expr {2*$fixedDiff + 40}] 10 4] [list 10 11 7 $fixedHeight] [list 69 [expr {$fixedDiff + 34}] 7 $fixedHeight]]
.t tag delete spacing
test textDisp-22.10 {TkTextCharBbox, handling of elided lines} {textfonts} {
    .t configure -wrap char
    .t delete 1.0 end
    for {set i 1} {$i < 10} {incr i} {
        .t insert end "Line $i - Line [format %c [expr 64+$i]]\n"
    }
    .t tag add hidden 2.8 2.13
    .t tag add hidden 6.8 7.13
    .t tag configure hidden -elide true
    update
    list \
        [expr {[lindex [.t bbox 2.9]  0] - [lindex [.t bbox 2.8] 0]}] \
................................................................................
        [expr {[lindex [.t bbox 7.1]  0] - [lindex [.t bbox 6.8] 0]}] \
        [expr {[lindex [.t bbox 7.12] 0] - [lindex [.t bbox 6.8] 0]}]
} [list 0 0 0 0 0 0 0 0 0 0 0]
test textDisp-22.11 {TkTextCharBbox, handling of wrapped elided lines} {textfonts} {
    .t configure -wrap char
    .t delete 1.0 end
    for {set i 1} {$i < 10} {incr i} {
        .t insert end "Line $i - Line _$i - Lines .$i - Line [format %c [expr 64+$i]]\n"
    }
    .t tag add hidden 1.30 2.5
    .t tag configure hidden -elide true
    update
    list \
        [expr {[lindex [.t bbox 1.30] 0] - [lindex [.t bbox 2.4]  0]}] \
        [expr {[lindex [.t bbox 1.30] 0] - [lindex [.t bbox 2.5]  0]}]
................................................................................
    update
    .t yview 48.0
    list [.t dlineinfo 50.40] [.t dlineinfo 57.3]
} [list [list 3 [expr {2*$fixedDiff + 29}] 371 [expr {$fixedDiff + 13}] [expr {$fixedDiff + 10}]] [list 3 [expr {9*$fixedDiff + 120}] 49 [expr {$fixedDiff + 13}] [expr {$fixedDiff + 10}]]]
test textDisp-23.4 {TkTextDLineInfo, cut-off lines} {textfonts} {
    .t config -wrap char
    .t yview 10.0
    wm geom . ${width}x[expr $height-1]
    update
    list [.t dlineinfo 19.0] [.t dlineinfo 20.0]
} [list [list 3 [expr {9*$fixedDiff + 120}] 49 [expr {$fixedDiff + 13}] [expr {$fixedDiff + 10}]] [list 3 [expr {10*$fixedDiff + 133}] 49 3 [expr {$fixedDiff + 10}]]]
test textDisp-23.5 {TkTextDLineInfo, cut-off lines} {textfonts} {
    .t config -wrap char
    .t yview 10.0
    wm geom . ${width}x[expr $height+1]
    update
    list [.t dlineinfo 19.0] [.t dlineinfo 20.0]
} [list [list 3 [expr {9*$fixedDiff + 120}] 49 [expr {$fixedDiff + 13}] [expr {$fixedDiff + 10}]] [list 3 [expr {10*$fixedDiff + 133}] 49 5 [expr {$fixedDiff + 10}]]]
wm geom . {}
update
test textDisp-23.6 {TkTextDLineInfo, horizontal scrolling} {textfonts} {
    .t config -wrap none
................................................................................
    .t insert 1.0 "abcdefghijklmnopqrstuvwxyz"
    list [.t bbox 1.19] [.t bbox 1.20]
} [list [list 136 3 7 $fixedHeight] [list 3 [expr {$fixedDiff + 16}] 7 $fixedHeight]]
test textDisp-24.2 {TkTextCharLayoutProc} {textfonts} {
    .t configure -wrap char
    .t delete 1.0 end
    .t insert 1.0 "abcdefghijklmnopqrstuvwxyz"
    wm geom . [expr $width+1]x$height
    update
    list [.t bbox 1.19] [.t bbox 1.20]
} [list [list 136 3 12 $fixedHeight] [list 3 [expr {$fixedDiff + 16}] 7 $fixedHeight]]
test textDisp-24.3 {TkTextCharLayoutProc} {textfonts} {
    .t configure -wrap char
    .t delete 1.0 end
    .t insert 1.0 "abcdefghijklmnopqrstuvwxyz"
    wm geom . [expr $width-1]x$height
    update
    list [.t bbox 1.19] [.t bbox 1.20]
} [list [list 136 3 10 $fixedHeight] [list 3 [expr {$fixedDiff + 16}] 7 $fixedHeight]]
test textDisp-24.4 {TkTextCharLayoutProc, newline not visible} {textfonts} {
    .t configure -wrap char
    .t delete 1.0 end
    .t insert 1.0 01234567890123456789\n012345678901234567890
................................................................................
    update
    list [.t bbox 1.19] [.t bbox 1.20]
} [list [list 136 3 7 $fixedHeight] [list 3 [expr {$fixedDiff + 16}] 7 $fixedHeight]]
test textDisp-24.7 {TkTextCharLayoutProc, line ends with space} {textfonts} {
    .t configure -wrap char
    .t delete 1.0 end
    .t insert 1.0 "a b c d e f g h i j k l m n o p"
    wm geom . [expr $width+1]x$height
    update
    list [.t bbox 1.19] [.t bbox 1.20]
} [list [list 136 3 12 $fixedHeight] [list 3 [expr {$fixedDiff + 16}] 7 $fixedHeight]]
test textDisp-24.8 {TkTextCharLayoutProc, line ends with space} {textfonts} {
    .t configure -wrap char
    .t delete 1.0 end
    .t insert 1.0 "a b c d e f g h i j k l m n o p"
    wm geom . [expr $width-1]x$height
    update
    list [.t bbox 1.19] [.t bbox 1.20]
} [list [list 136 3 10 $fixedHeight] [list 3 [expr {$fixedDiff + 16}] 7 $fixedHeight]]
test textDisp-24.9 {TkTextCharLayoutProc, line ends with space} {textfonts} {
    .t configure -wrap char
    .t delete 1.0 end
    .t insert 1.0 "a b c d e f g h i j k l m n o p"
    wm geom . [expr $width-6]x$height
    update
    list [.t bbox 1.19] [.t bbox 1.20]
} [list [list 136 3 5 $fixedHeight] [list 3 [expr {$fixedDiff + 16}] 7 $fixedHeight]]
test textDisp-24.10 {TkTextCharLayoutProc, line ends with space} {textfonts} {
    .t configure -wrap char
    .t delete 1.0 end
    .t insert 1.0 "a b c d e f g h i j k l m n o p"
    wm geom . [expr $width-7]x$height
    update
    list [.t bbox 1.19] [.t bbox 1.20]
} [list [list 136 3 4 $fixedHeight] [list 3 [expr {$fixedDiff + 16}] 7 $fixedHeight]]
test textDisp-24.11 {TkTextCharLayoutProc, line ends with space that doesn't quite fit} {textfonts} {
    .t configure -wrap char
    .t delete 1.0 end
    .t insert 1.0 "01234567890123456789 \nabcdefg"
    wm geom . [expr $width-2]x$height
    update
    set result {}
    lappend result [.t bbox 1.21] [.t bbox 2.0]
    .t mark set insert 1.21
    lappend result [.t bbox 1.21] [.t bbox 2.0]
} [list [list 145 3 0 $fixedHeight] [list 3 [expr {$fixedDiff + 16}] 7 $fixedHeight] [list 145 3 0 $fixedHeight] [list 3 [expr {$fixedDiff + 16}] 7 $fixedHeight]]
test textDisp-24.12 {TkTextCharLayoutProc, tab causes wrap} {textfonts} {
................................................................................
    update
    list [.t bbox 1.19] [.t bbox 1.20]
} [list [list 136 3 7 $fixedHeight] {}]
test textDisp-24.14 {TkTextCharLayoutProc, -wrap none} {textfonts} {
    .t configure -wrap none
    .t delete 1.0 end
    .t insert 1.0 "abcdefghijklmnopqrstuvwxyz"
    wm geom . [expr $width+1]x$height
    update
    list [.t bbox 1.19] [.t bbox 1.20]
} [list [list 136 3 7 $fixedHeight] [list 143 3 5 $fixedHeight]]
test textDisp-24.15 {TkTextCharLayoutProc, -wrap none} {textfonts} {
    .t configure -wrap none
    .t delete 1.0 end
    .t insert 1.0 "abcdefghijklmnopqrstuvwxyz"
    wm geom . [expr $width-1]x$height
    update
    list [.t bbox 1.19] [.t bbox 1.20]
} [list [list 136 3 7 $fixedHeight] [list 143 3 3 $fixedHeight]]
test textDisp-24.16 {TkTextCharLayoutProc, no chars fit} {textfonts} {
    if {$tcl_platform(platform) == "windows"} {
	wm overrideredirect . 1
    }
................................................................................
test textDisp-26.3 {AdjustForTab procedure, not enough tabs specified} {
    .t delete 1.0 end
    .t insert 1.0 a\tb\tc\td\te
    .t tag delete x
    .t tag configure x -tabs {40 70 right}
    .t tag add x 1.0 end
    list [lindex [.t bbox 1.2] 0] \
	    [expr [lindex [.t bbox 1.4] 0] + [lindex [.t bbox 1.4] 2]] \
	    [expr [lindex [.t bbox 1.6] 0] + [lindex [.t bbox 1.6] 2]] \
	    [expr [lindex [.t bbox 1.8] 0] + [lindex [.t bbox 1.8] 2]]
} [list 40 70 100 130]
test textDisp-26.4 {AdjustForTab procedure, different alignments} {
    .t delete 1.0 end
    .t insert 1.0 a\tbc\tde\tfg\thi
    .t tag delete x
    .t tag configure x -tabs {40 center 80 left 130 right}
    .t tag add x 1.0 end

.t tag delete x y

test textDisp-2.1 {LayoutDLine, basics} {
    .t configure -wrap char
    .t delete 1.0 end
    .t insert 1.0 "This is some sample text for testing."
    list [.t bbox 1.19] [.t bbox 1.20]
} [list [list [expr {5 + $fixedWidth * 19}] 5 $fixedWidth $fixedHeight] [list 5 [expr {5 + $fixedHeight}] $fixedWidth $fixedHeight]]
test textDisp-2.2 {LayoutDLine, basics} {textfonts} {
    .t configure -wrap char
    .t delete 1.0 end
    .t insert 1.0 "This isx some sample text for testing."
    list [.t bbox 1.19] [.t bbox 1.20]
} [list [list 138 5 7 $fixedHeight] [list 5 [expr {$fixedDiff + 18}] 7 $fixedHeight]]
test textDisp-2.3 {LayoutDLine, basics} {textfonts} {
................................................................................
    list [.t bbox 1.2] [.t bbox 1.5] [.t bbox 1.11]
} [list [list 19 5 7 $fixedHeight] [list 40 5 7 $fixedHeight] [list 82 5 7 $fixedHeight]]
foreach m [.t mark names] {
    catch {.t mark unset $m}
}
scan [wm geom .] %dx%d width height
test textDisp-2.8 {LayoutDLine, extra chunk at end of dline} {textfonts} {
    wm geom . [expr {$width+1}]x$height
    update
    .t configure -wrap char
    .t delete 1.0 end
    .t insert 1.0 "This isxx some sample text for testing."
    .t mark set foo 1.20
    list [.t bbox 1.19] [.t bbox 1.20]
} [list [list 138 5 8 $fixedHeight] [list 5 [expr {$fixedDiff + 18}] 7 $fixedHeight]]
................................................................................
    .t configure -wrap word
    .t delete 1.0 end
    .t tag delete x y
    .t insert end "Short line\nLine 2 is long enough "
    .t insert end "to wrap around a couple of times"
    .t insert end "\nLine 3\nLine 4"
    set i [.t dlineinfo 1.0]
    set b1 [expr {[lindex $i 1] + [lindex $i 4]}]
    set i [.t dlineinfo 2.0]
    set b2 [expr {[lindex $i 1] + [lindex $i 4]}]
    set i [.t dlineinfo 2.end]
    set b3 [expr {[lindex $i 1] + [lindex $i 4]}]
    set i [.t dlineinfo 3.0]
    set b4 [expr {[lindex $i 1] + [lindex $i 4]}]
    .t configure -spacing1 2 -spacing2 1 -spacing3 3
    set i [.t dlineinfo 1.0]
    set b1 [expr {[lindex $i 1] + [lindex $i 4] - $b1}]
    set i [.t dlineinfo 2.0]
    set b2 [expr {[lindex $i 1] + [lindex $i 4] - $b2}]
    set i [.t dlineinfo 2.end]
    set b3 [expr {[lindex $i 1] + [lindex $i 4] - $b3}]
    set i [.t dlineinfo 3.0]
    set b4 [expr {[lindex $i 1] + [lindex $i 4] - $b4}]
    list $b1 $b2 $b3 $b4
} [list 2 7 10 15]
.t configure -spacing1 0 -spacing2 0 -spacing3 0
test textDisp-2.23 {LayoutDLine, spacing options} {textfonts} {
    .t configure -wrap word
    .t delete 1.0 end
    .t tag delete x y
    .t insert end "Short line\nLine 2 is long enough "
    .t insert end "to wrap around a couple of times"
    .t insert end "\nLine 3\nLine 4"
    set i [.t dlineinfo 1.0]
    set b1 [expr {[lindex $i 1] + [lindex $i 4]}]
    set i [.t dlineinfo 2.0]
    set b2 [expr {[lindex $i 1] + [lindex $i 4]}]
    set i [.t dlineinfo 2.end]
    set b3 [expr {[lindex $i 1] + [lindex $i 4]}]
    set i [.t dlineinfo 3.0]
    set b4 [expr {[lindex $i 1] + [lindex $i 4]}]
    .t configure -spacing1 4 -spacing2 4 -spacing3 4
    .t tag configure x -spacing1 1 -spacing2 2 -spacing3 3
    .t tag add x 1.0 end
    .t tag configure y -spacing1 0 -spacing2 3
    .t tag add y 2.19 end
    .t tag raise y
    set i [.t dlineinfo 1.0]
    set b1 [expr {[lindex $i 1] + [lindex $i 4] - $b1}]
    set i [.t dlineinfo 2.0]
    set b2 [expr {[lindex $i 1] + [lindex $i 4] - $b2}]
    set i [.t dlineinfo 2.end]
    set b3 [expr {[lindex $i 1] + [lindex $i 4] - $b3}]
    set i [.t dlineinfo 3.0]
    set b4 [expr {[lindex $i 1] + [lindex $i 4] - $b4}]
    list $b1 $b2 $b3 $b4
} [list 1 5 13 16]
.t configure -spacing1 0 -spacing2 0 -spacing3 0
test textDisp-2.24 {LayoutDLine, tabs, saving from first chunk} {textfonts} {
    .t delete 1.0 end
    .t tag delete x y
    .t tag configure x -tabs 70
................................................................................
    update
    list $tk_textRelayout $tk_textRedraw
} {2.0 {2.0 eof}}
test textDisp-9.13 {TkTextRedrawTag} {
    .t configure -wrap none
    .t delete 1.0 end
    for {set i 1} {$i < 10} {incr i} {
        .t insert end "Line $i - This is Line [format %c [expr {64+$i}]]\n"
    }
    .t tag add hidden 2.8 2.17
    .t tag add hidden 6.8 7.17
    .t tag configure hidden -background red
    .t tag configure hidden -elide true
    update
    .t tag configure hidden -elide false
................................................................................
    pack .top.t
    .top.t insert end "Line 1"
    for {set i 2} {$i <= 100} {incr i} {
	.top.t insert end "\nLine $i"
    }
    update
    scan [wm geometry .top] "%dx%d" w2 h2
    wm geometry .top ${w2}x[expr {$h2-2}]
    update
    .top.t yview 1.0
    update
    set tk_textRedraw {}
    .top.t see 5.0
    update
    # Note, with smooth scrolling, the results of this test
................................................................................
    lappend x [.t bbox 30.60]
    .t see 30.65
    lappend x [.t bbox 30.65]
    .t see 30.90
    lappend x [.t bbox 30.90]
} [list [list 73 [expr {9*$fixedDiff/2 + 64}] 7 $fixedHeight] [list 136 [expr {9*$fixedDiff/2 + 64}] 7 $fixedHeight] [list 136 [expr {9*$fixedDiff/2 + 64}] 7 $fixedHeight] [list 73 [expr {9*$fixedDiff/2 + 64}] 7 $fixedHeight]]
test textDisp-13.9 {TkTextSeeCmd procedure} {textfonts} {
    wm geom . [expr {$width-2}]x$height
    .t xview moveto 0
    .t yview moveto 0
    .t tag add sel 30.20
    .t tag add sel 30.50
    update
    .t see 30.50
    set x [list [.t bbox 30.50]]
................................................................................
    .t yview scroll 2 pages
    .t index @0,0
} {66.0}
test textDisp-16.28 {TkTextYviewCmd procedure, "scroll" option, forward pages} {textfonts} {
    .t yview 98.0
    update
    .t yview scroll 1 page
    set res [expr {int([.t index @0,0])}]
    if {$fixedDiff > 1} {
	incr res -1
    }
    set res
} {102}
test textDisp-16.29 {TkTextYviewCmd procedure, "scroll" option, forward pages} {
    .t configure -height 1
................................................................................
    .t delete 1.0 end
    foreach x [list 0 1 2 3 4 5 6 7 8 9 0] {
      .t insert end "$x aaa1\n$x bbb2\n$x ccc3\n$x ddd4\n$x eee5\n$x fff6"
      .t insert end "$x 1111\n$x 2222\n$x 3333\n$x 4444\n$x 5555\n$x 6666" hidden
    }
    .t tag configure hidden -elide true ; # 5 hidden lines
    update
    .t see [expr {5 + [winfo height .t] / $fixedHeight + 1}].0
    update
    .t index @0,0
} {2.0}

.t delete 1.0 end
foreach i {a b c d e f g h i j k l m n o p q r s t u v w x y z} {
    .t insert end "\nLine $i 11111 $i 22222 $i 33333 $i 44444 $i 55555"
................................................................................
    wm geometry .top +0+0
    text .top.t -width 40 -height 5 -font $fixedFont
    pack .top.t -expand yes -fill both
    .top.t insert end "Line 1\nLine 2\nLine 3\nLine 4\nLine 5"
    # Need to wait for asychronous calculations to complete.
    update ; after 10
    scan [wm geom .top] %dx%d twidth theight
    wm geom .top ${twidth}x[expr {$theight - 3}]
    update
    .top.t yview
} [list 0.0 [expr {(5.0 * $fixedHeight - 3.0)/ (5.0 * $fixedHeight)}]]
test textDisp-19.13 {GetYView procedure, partially visible last line} {textfonts} {
    catch {destroy .top}
    toplevel .top
    wm geometry .top +0+0
    text .top.t -width 40 -height 5 -font $fixedFont
    pack .top.t -expand yes -fill both
    .top.t insert end "Line 1\nLine 2\nLine 3\nLine 4 has enough text to wrap around at least once"
    # Need to wait for asychronous calculations to complete.
    update ; after 10
    scan [wm geom .top] %dx%d twidth theight
    wm geom .top ${twidth}x[expr {$theight - 3}]
    update
    .top.t yview
} [list 0.0 [expr {(5.0 * $fixedHeight - 3.0)/ (5.0 * $fixedHeight)}]]
catch {destroy .top}
test textDisp-19.14 {GetYView procedure} {
    .t configure -wrap word
    .t delete 1.0 end
................................................................................
    .t config -wrap none
    .t yview 48.0
    list [.t bbox 50.5] [.t bbox 50.40] [.t bbox 57.0]
} [list [list 38 [expr {3+2*$fixedHeight}] 7 $fixedHeight] {} [list 3 [expr {3+9*$fixedHeight}] 7 $fixedHeight]]
test textDisp-22.3 {TkTextCharBbox, cut-off lines} {textfonts} {
    .t config -wrap char
    .t yview 10.0
    wm geom . ${width}x[expr {$height-1}]
    update
    list [.t bbox 19.1] [.t bbox 20.1]
} [list [list 10 [expr {3+9*$fixedHeight}] 7 $fixedHeight] [list 10 [expr {3+10*$fixedHeight}] 7 3]]
test textDisp-22.4 {TkTextCharBbox, cut-off lines} {textfonts} {
    .t config -wrap char
    .t yview 10.0
    wm geom . ${width}x[expr {$height+1}]
    update
    list [.t bbox 19.1] [.t bbox 20.1]
} [list [list 10 [expr {3+9*$fixedHeight}] 7 $fixedHeight] [list 10 [expr {3+10*$fixedHeight}] 7 5]]
test textDisp-22.5 {TkTextCharBbox, cut-off char} {textfonts} {
    .t config -wrap none
    .t yview 10.0
    wm geom . [expr {$width-95}]x$height
    update
    .t bbox 15.6
} [list 45 [expr {3+5*$fixedHeight}] 7 $fixedHeight]
test textDisp-22.6 {TkTextCharBbox, line visible but not char} {textfonts} {
    .t config -wrap char
    .t yview 10.0
    .t tag add big 20.2 20.5
    wm geom . ${width}x[expr {$height+3}]
    update
    list [.t bbox 19.1] [.t bbox 20.1] [.t bbox 20.2]
} [list [list 10 [expr {3+9*$fixedHeight}] 7 $fixedHeight] {} [list 17 [expr {3+10*$fixedHeight}] 14 7]]
wm geom . {}
update
test textDisp-22.7 {TkTextCharBbox, different character sizes} {textfonts} {
    .t config -wrap char
................................................................................
	    [.t bbox 1.1] [.t bbox 2.9]
} [list [list 24 11 10 4] [list 55 [expr {$fixedDiff/2 + 15}] 10 4] [list 10 [expr {2*$fixedDiff + 43}] 10 4] [list 76 [expr {2*$fixedDiff + 40}] 10 4] [list 10 11 7 $fixedHeight] [list 69 [expr {$fixedDiff + 34}] 7 $fixedHeight]]
.t tag delete spacing
test textDisp-22.10 {TkTextCharBbox, handling of elided lines} {textfonts} {
    .t configure -wrap char
    .t delete 1.0 end
    for {set i 1} {$i < 10} {incr i} {
        .t insert end "Line $i - Line [format %c [expr {64+$i}]]\n"
    }
    .t tag add hidden 2.8 2.13
    .t tag add hidden 6.8 7.13
    .t tag configure hidden -elide true
    update
    list \
        [expr {[lindex [.t bbox 2.9]  0] - [lindex [.t bbox 2.8] 0]}] \
................................................................................
        [expr {[lindex [.t bbox 7.1]  0] - [lindex [.t bbox 6.8] 0]}] \
        [expr {[lindex [.t bbox 7.12] 0] - [lindex [.t bbox 6.8] 0]}]
} [list 0 0 0 0 0 0 0 0 0 0 0]
test textDisp-22.11 {TkTextCharBbox, handling of wrapped elided lines} {textfonts} {
    .t configure -wrap char
    .t delete 1.0 end
    for {set i 1} {$i < 10} {incr i} {
        .t insert end "Line $i - Line _$i - Lines .$i - Line [format %c [expr {64+$i}]]\n"
    }
    .t tag add hidden 1.30 2.5
    .t tag configure hidden -elide true
    update
    list \
        [expr {[lindex [.t bbox 1.30] 0] - [lindex [.t bbox 2.4]  0]}] \
        [expr {[lindex [.t bbox 1.30] 0] - [lindex [.t bbox 2.5]  0]}]
................................................................................
    update
    .t yview 48.0
    list [.t dlineinfo 50.40] [.t dlineinfo 57.3]
} [list [list 3 [expr {2*$fixedDiff + 29}] 371 [expr {$fixedDiff + 13}] [expr {$fixedDiff + 10}]] [list 3 [expr {9*$fixedDiff + 120}] 49 [expr {$fixedDiff + 13}] [expr {$fixedDiff + 10}]]]
test textDisp-23.4 {TkTextDLineInfo, cut-off lines} {textfonts} {
    .t config -wrap char
    .t yview 10.0
    wm geom . ${width}x[expr {$height-1}]
    update
    list [.t dlineinfo 19.0] [.t dlineinfo 20.0]
} [list [list 3 [expr {9*$fixedDiff + 120}] 49 [expr {$fixedDiff + 13}] [expr {$fixedDiff + 10}]] [list 3 [expr {10*$fixedDiff + 133}] 49 3 [expr {$fixedDiff + 10}]]]
test textDisp-23.5 {TkTextDLineInfo, cut-off lines} {textfonts} {
    .t config -wrap char
    .t yview 10.0
    wm geom . ${width}x[expr {$height+1}]
    update
    list [.t dlineinfo 19.0] [.t dlineinfo 20.0]
} [list [list 3 [expr {9*$fixedDiff + 120}] 49 [expr {$fixedDiff + 13}] [expr {$fixedDiff + 10}]] [list 3 [expr {10*$fixedDiff + 133}] 49 5 [expr {$fixedDiff + 10}]]]
wm geom . {}
update
test textDisp-23.6 {TkTextDLineInfo, horizontal scrolling} {textfonts} {
    .t config -wrap none
................................................................................
    .t insert 1.0 "abcdefghijklmnopqrstuvwxyz"
    list [.t bbox 1.19] [.t bbox 1.20]
} [list [list 136 3 7 $fixedHeight] [list 3 [expr {$fixedDiff + 16}] 7 $fixedHeight]]
test textDisp-24.2 {TkTextCharLayoutProc} {textfonts} {
    .t configure -wrap char
    .t delete 1.0 end
    .t insert 1.0 "abcdefghijklmnopqrstuvwxyz"
    wm geom . [expr {$width+1}]x$height
    update
    list [.t bbox 1.19] [.t bbox 1.20]
} [list [list 136 3 12 $fixedHeight] [list 3 [expr {$fixedDiff + 16}] 7 $fixedHeight]]
test textDisp-24.3 {TkTextCharLayoutProc} {textfonts} {
    .t configure -wrap char
    .t delete 1.0 end
    .t insert 1.0 "abcdefghijklmnopqrstuvwxyz"
    wm geom . [expr {$width-1}]x$height
    update
    list [.t bbox 1.19] [.t bbox 1.20]
} [list [list 136 3 10 $fixedHeight] [list 3 [expr {$fixedDiff + 16}] 7 $fixedHeight]]
test textDisp-24.4 {TkTextCharLayoutProc, newline not visible} {textfonts} {
    .t configure -wrap char
    .t delete 1.0 end
    .t insert 1.0 01234567890123456789\n012345678901234567890
................................................................................
    update
    list [.t bbox 1.19] [.t bbox 1.20]
} [list [list 136 3 7 $fixedHeight] [list 3 [expr {$fixedDiff + 16}] 7 $fixedHeight]]
test textDisp-24.7 {TkTextCharLayoutProc, line ends with space} {textfonts} {
    .t configure -wrap char
    .t delete 1.0 end
    .t insert 1.0 "a b c d e f g h i j k l m n o p"
    wm geom . [expr {$width+1}]x$height
    update
    list [.t bbox 1.19] [.t bbox 1.20]
} [list [list 136 3 12 $fixedHeight] [list 3 [expr {$fixedDiff + 16}] 7 $fixedHeight]]
test textDisp-24.8 {TkTextCharLayoutProc, line ends with space} {textfonts} {
    .t configure -wrap char
    .t delete 1.0 end
    .t insert 1.0 "a b c d e f g h i j k l m n o p"
    wm geom . [expr {$width-1}]x$height
    update
    list [.t bbox 1.19] [.t bbox 1.20]
} [list [list 136 3 10 $fixedHeight] [list 3 [expr {$fixedDiff + 16}] 7 $fixedHeight]]
test textDisp-24.9 {TkTextCharLayoutProc, line ends with space} {textfonts} {
    .t configure -wrap char
    .t delete 1.0 end
    .t insert 1.0 "a b c d e f g h i j k l m n o p"
    wm geom . [expr {$width-6}]x$height
    update
    list [.t bbox 1.19] [.t bbox 1.20]
} [list [list 136 3 5 $fixedHeight] [list 3 [expr {$fixedDiff + 16}] 7 $fixedHeight]]
test textDisp-24.10 {TkTextCharLayoutProc, line ends with space} {textfonts} {
    .t configure -wrap char
    .t delete 1.0 end
    .t insert 1.0 "a b c d e f g h i j k l m n o p"
    wm geom . [expr {$width-7}]x$height
    update
    list [.t bbox 1.19] [.t bbox 1.20]
} [list [list 136 3 4 $fixedHeight] [list 3 [expr {$fixedDiff + 16}] 7 $fixedHeight]]
test textDisp-24.11 {TkTextCharLayoutProc, line ends with space that doesn't quite fit} {textfonts} {
    .t configure -wrap char
    .t delete 1.0 end
    .t insert 1.0 "01234567890123456789 \nabcdefg"
    wm geom . [expr {$width-2}]x$height
    update
    set result {}
    lappend result [.t bbox 1.21] [.t bbox 2.0]
    .t mark set insert 1.21
    lappend result [.t bbox 1.21] [.t bbox 2.0]
} [list [list 145 3 0 $fixedHeight] [list 3 [expr {$fixedDiff + 16}] 7 $fixedHeight] [list 145 3 0 $fixedHeight] [list 3 [expr {$fixedDiff + 16}] 7 $fixedHeight]]
test textDisp-24.12 {TkTextCharLayoutProc, tab causes wrap} {textfonts} {
................................................................................
    update
    list [.t bbox 1.19] [.t bbox 1.20]
} [list [list 136 3 7 $fixedHeight] {}]
test textDisp-24.14 {TkTextCharLayoutProc, -wrap none} {textfonts} {
    .t configure -wrap none
    .t delete 1.0 end
    .t insert 1.0 "abcdefghijklmnopqrstuvwxyz"
    wm geom . [expr {$width+1}]x$height
    update
    list [.t bbox 1.19] [.t bbox 1.20]
} [list [list 136 3 7 $fixedHeight] [list 143 3 5 $fixedHeight]]
test textDisp-24.15 {TkTextCharLayoutProc, -wrap none} {textfonts} {
    .t configure -wrap none
    .t delete 1.0 end
    .t insert 1.0 "abcdefghijklmnopqrstuvwxyz"
    wm geom . [expr {$width-1}]x$height
    update
    list [.t bbox 1.19] [.t bbox 1.20]
} [list [list 136 3 7 $fixedHeight] [list 143 3 3 $fixedHeight]]
test textDisp-24.16 {TkTextCharLayoutProc, no chars fit} {textfonts} {
    if {$tcl_platform(platform) == "windows"} {
	wm overrideredirect . 1
    }
................................................................................
test textDisp-26.3 {AdjustForTab procedure, not enough tabs specified} {
    .t delete 1.0 end
    .t insert 1.0 a\tb\tc\td\te
    .t tag delete x
    .t tag configure x -tabs {40 70 right}
    .t tag add x 1.0 end
    list [lindex [.t bbox 1.2] 0] \
	    [expr {[lindex [.t bbox 1.4] 0] + [lindex [.t bbox 1.4] 2]}] \
	    [expr {[lindex [.t bbox 1.6] 0] + [lindex [.t bbox 1.6] 2]}] \
	    [expr {[lindex [.t bbox 1.8] 0] + [lindex [.t bbox 1.8] 2]}]
} [list 40 70 100 130]
test textDisp-26.4 {AdjustForTab procedure, different alignments} {
    .t delete 1.0 end
    .t insert 1.0 a\tbc\tde\tfg\thi
    .t tag delete x
    .t tag configure x -tabs {40 center 80 left 130 right}
    .t tag add x 1.0 end

} -cleanup {
    .t tag delete {*}[.t tag names]
} -result {x0 x1 x2 x3 x4 x5 x6 x7 x8 x9 x10 x11 x12 x13 x14 x15 x16 x17 x18 x19 x20 x21 x22 x23 x24 x25 x26 x27 x28 x29}



set c [.t bbox 2.1]
set x1 [expr [lindex $c 0] + [lindex $c 2]/2]
set y1 [expr [lindex $c 1] + [lindex $c 3]/2]
set c [.t bbox 3.2]
set x2 [expr [lindex $c 0] + [lindex $c 2]/2]
set y2 [expr [lindex $c 1] + [lindex $c 3]/2]
set c [.t bbox 4.3]
set x3 [expr [lindex $c 0] + [lindex $c 2]/2]
set y3 [expr [lindex $c 1] + [lindex $c 3]/2]

test textTag-15.1 {TkTextBindProc} -constraints haveCourier12 -setup {
    .t tag delete x y
    event generate {} <Motion> -warp 1 -x -1 -y -1; update
} -body {
    bind .t <ButtonRelease> {lappend x up}
    .t tag bind x <ButtonRelease> {lappend x x-up}

} -cleanup {
    .t tag delete {*}[.t tag names]
} -result {x0 x1 x2 x3 x4 x5 x6 x7 x8 x9 x10 x11 x12 x13 x14 x15 x16 x17 x18 x19 x20 x21 x22 x23 x24 x25 x26 x27 x28 x29}



set c [.t bbox 2.1]
set x1 [expr {[lindex $c 0] + [lindex $c 2]/2}]
set y1 [expr {[lindex $c 1] + [lindex $c 3]/2}]
set c [.t bbox 3.2]
set x2 [expr {[lindex $c 0] + [lindex $c 2]/2}]
set y2 [expr {[lindex $c 1] + [lindex $c 3]/2}]
set c [.t bbox 4.3]
set x3 [expr {[lindex $c 0] + [lindex $c 2]/2}]
set y3 [expr {[lindex $c 1] + [lindex $c 3]/2}]

test textTag-15.1 {TkTextBindProc} -constraints haveCourier12 -setup {
    .t tag delete x y
    event generate {} <Motion> -warp 1 -x -1 -y -1; update
} -body {
    bind .t <ButtonRelease> {lappend x up}
    .t tag bind x <ButtonRelease> {lappend x x-up}

    update
} -body {
    foreach {x y w h} [.tv bbox foo #0] {}
    set res [.tv item foo -open]
    # using $h even for x computation is intentional here in order to simulate
    # a mouse click on the (invisible since we're on a leaf) indicator
    event generate .tv <ButtonPress-1> \
            -x [expr ($x + $h / 2)] \
            -y [expr ($y + $h / 2)]
    lappend res [.tv item foo -open]
    .tv insert foo end -text "sub"
    lappend res [.tv item foo -open]
} -cleanup {
    destroy .tv
} -result {0 0 0}

    update
} -body {
    foreach {x y w h} [.tv bbox foo #0] {}
    set res [.tv item foo -open]
    # using $h even for x computation is intentional here in order to simulate
    # a mouse click on the (invisible since we're on a leaf) indicator
    event generate .tv <ButtonPress-1> \
            -x [expr {$x + $h / 2}] \
            -y [expr {$y + $h / 2}]
    lappend res [.tv item foo -open]
    .tv insert foo end -text "sub"
    lappend res [.tv item foo -open]
} -cleanup {
    destroy .tv
} -result {0 0 0}

# (@@@ "-font" is a compatibility option now, so tests 4.1-4.3
# don't really test anything useful at the moment.)
#

test ttk-4.0 "Setup" -body {
    catch { destroy .t }
    pack [ttk::label .t -text "Button 1"]
    testConstraint fontOption [expr ![catch { set prevFont [.t cget -font] }]]
    ok
}

test ttk-4.1 "Change font" -constraints fontOption -body {
    .t configure -font "Helvetica 18 bold"
}
test ttk-4.2 "Check font" -constraints fontOption -body {

# (@@@ "-font" is a compatibility option now, so tests 4.1-4.3
# don't really test anything useful at the moment.)
#

test ttk-4.0 "Setup" -body {
    catch { destroy .t }
    pack [ttk::label .t -text "Button 1"]
    testConstraint fontOption [expr {![catch { set prevFont [.t cget -font] }]}]
    ok
}

test ttk-4.1 "Change font" -constraints fontOption -body {
    .t configure -font "Helvetica 18 bold"
}
test ttk-4.2 "Check font" -constraints fontOption -body {

    catch {destroy $w}
    toplevel $w
    wm geom $w +0+0
    canvas $w.c -width 400 -height 200 -bd 0
    pack $w.c
    for {set y 0} {$y < 8} {incr y} {
        for {set x 0} {$x < 40} {incr x} {
            set color [format #%02x%02x%02x [expr $x*6] [expr $y*30] 0]
            $w.c create rectangle [expr 10*$x] [expr 20*$y] \
                [expr 10*$x + 10] [expr 20*$y + 20] -outline {} \
                -fill $color
        }
    }
    update
}

# colorsFree --
................................................................................
# Arguments:
# w -            Name of window in which to check.
# red, green, blue -    Intensities to use in a trial color allocation
#            to see if there are colormap entries free.

proc colorsFree {w {red 31} {green 245} {blue 192}} {
    set vals [winfo rgb $w [format #%02x%02x%02x $red $green $blue]]
    expr ([lindex $vals 0]/256 == $red) && ([lindex $vals 1]/256 == $green) \
        && ([lindex $vals 2]/256 == $blue)
}

# If more than one visual type is available for the screen, pick one
# that is *not* the default.

set default "[winfo visual .] [winfo depth .]"
set avail [winfo visualsavailable .]

    catch {destroy $w}
    toplevel $w
    wm geom $w +0+0
    canvas $w.c -width 400 -height 200 -bd 0
    pack $w.c
    for {set y 0} {$y < 8} {incr y} {
        for {set x 0} {$x < 40} {incr x} {
            set color [format #%02x%02x%02x [expr {$x*6}] [expr {$y*30}] 0]
            $w.c create rectangle [expr {10*$x}] [expr {20*$y}] \
                [expr {10*$x + 10}] [expr {20*$y + 20}] -outline {} \
                -fill $color
        }
    }
    update
}

# colorsFree --
................................................................................
# Arguments:
# w -            Name of window in which to check.
# red, green, blue -    Intensities to use in a trial color allocation
#            to see if there are colormap entries free.

proc colorsFree {w {red 31} {green 245} {blue 192}} {
    set vals [winfo rgb $w [format #%02x%02x%02x $red $green $blue]]
    expr {([lindex $vals 0]/256 == $red) && ([lindex $vals 1]/256 == $green)
        && ([lindex $vals 2]/256 == $blue)}
}

# If more than one visual type is available for the screen, pick one
# that is *not* the default.

set default "[winfo visual .] [winfo depth .]"
set avail [winfo visualsavailable .]

    label .t.l -padx 0 -pady 0 -bd 0 -highlightthickness 0 -justify left \
        -text "0" -font systemfixed
    pack .t.l
    update
    set ax [winfo reqwidth .t.l]
    set ay [winfo reqheight .t.l]

    .t.l config -wrap [expr $ax*10] -text "00000000"
    list [expr {[winfo reqwidth .t.l] eq 8*$ax}] \
        [expr {[winfo reqheight .t.l] eq $ay}]
} -cleanup {
    destroy .t.l
} -result {1 1}

test winfont-5.4 {Tk_MeasureChars procedure: not all chars fit} -constraints {
................................................................................
    label .t.l -padx 0 -pady 0 -bd 0 -highlightthickness 0 -justify left \
        -text "0" -font systemfixed
    pack .t.l
    update
    set ax [winfo reqwidth .t.l]
    set ay [winfo reqheight .t.l]

    .t.l config -wrap [expr $ax*6] -text "00000000"
    list [expr {[winfo reqwidth .t.l] eq 6*$ax}] \
        [expr {[winfo reqheight .t.l] eq 2*$ay}]
} -cleanup {
    destroy .t.l
} -result {1 1}

test winfont-5.5 {Tk_MeasureChars procedure: include last partial char} -constraints {
................................................................................
    canvas .t.c -closeenough 0
    set t [.t.c create text 0 0 -anchor nw -just left -font $courier]
    pack .t.c
    update

    .t.c dchars $t 0 end
    .t.c insert $t 0 "0000"
    .t.c index $t @[expr int($cx*2.5)],1
} -cleanup {
    destroy .t.c
} -result {2}

test winfont-5.6 {Tk_MeasureChars procedure: at least one char on line} -constraints {
    win
} -setup {
................................................................................
    label .t.l -padx 0 -pady 0 -bd 0 -highlightthickness 0 -justify left \
        -text "0" -font systemfixed
    pack .t.l
    update
    set ax [winfo reqwidth .t.l]
    set ay [winfo reqheight .t.l]

    .t.l config -wrap [expr $ax*8] -text "000000 0000"
    list [expr {[winfo reqwidth .t.l] eq 6*$ax}] \
        [expr {[winfo reqheight .t.l] eq 2*$ay}]
} -cleanup {
    destroy .t.l
} -result {1 1}

test winfont-5.8 {Tk_MeasureChars procedure: already saw space in line} -constraints {
................................................................................
    label .t.l -padx 0 -pady 0 -bd 0 -highlightthickness 0 -justify left \
        -text "0" -font systemfixed
    pack .t.l
    update
    set ax [winfo reqwidth .t.l]
    set ay [winfo reqheight .t.l]

    .t.l config -wrap [expr $ax*12] -text "000000    0000000"
    list [expr {[winfo reqwidth .t.l] eq 7*$ax}] \
        [expr {[winfo reqheight .t.l] eq 2*$ay}]
} -cleanup {
    destroy .t.l
} -result {1 1}

test winfont-5.9 {Tk_MeasureChars procedure: internal spaces significant} -constraints {
................................................................................
    label .t.l -padx 0 -pady 0 -bd 0 -highlightthickness 0 -justify left \
        -text "0" -font systemfixed
    pack .t.l
    update
    set ax [winfo reqwidth .t.l]
    set ay [winfo reqheight .t.l]

    .t.l config -wrap [expr $ax*12] -text "000  00   00000"
    list [expr {[winfo reqwidth .t.l] eq 7*$ax}] \
        [expr {[winfo reqheight .t.l] eq 2*$ay}]
} -cleanup {
    destroy .t.l
} -result {1 1}

test winfont-5.10 {Tk_MeasureChars procedure: make first part of word fit} -constraints {
................................................................................
    label .t.l -padx 0 -pady 0 -bd 0 -highlightthickness 0 -justify left \
        -text "0" -font systemfixed
    pack .t.l
    update
    set ax [winfo reqwidth .t.l]
    set ay [winfo reqheight .t.l]

    .t.l config -wrap [expr $ax*12] -text "0000000000000000"
    list [expr {[winfo reqwidth .t.l] eq 12*$ax}] \
        [expr {[winfo reqheight .t.l] eq 2*$ay}]
} -cleanup {
    destroy .t.l
} -result {1 1}

test winfont-5.11 {Tk_MeasureChars procedure: check for kerning} -constraints {
................................................................................

    set font [.t.l cget -font]
    .t.l config -font {{MS Sans Serif} 8} -text "W"
    set width [winfo reqwidth .t.l]
    .t.l config -text "XaYoYaKaWx"
    set x [lindex [getsize] 0]
    .t.l config -font $font
    expr $x < ($width*10)
} -cleanup {
    destroy .t.l
} -result {1}


test winfont-6.1 {Tk_DrawChars procedure: loop test} -constraints win -setup {
    destroy .t.l

    label .t.l -padx 0 -pady 0 -bd 0 -highlightthickness 0 -justify left \
        -text "0" -font systemfixed
    pack .t.l
    update
    set ax [winfo reqwidth .t.l]
    set ay [winfo reqheight .t.l]

    .t.l config -wrap [expr {$ax*10}] -text "00000000"
    list [expr {[winfo reqwidth .t.l] eq 8*$ax}] \
        [expr {[winfo reqheight .t.l] eq $ay}]
} -cleanup {
    destroy .t.l
} -result {1 1}

test winfont-5.4 {Tk_MeasureChars procedure: not all chars fit} -constraints {
................................................................................
    label .t.l -padx 0 -pady 0 -bd 0 -highlightthickness 0 -justify left \
        -text "0" -font systemfixed
    pack .t.l
    update
    set ax [winfo reqwidth .t.l]
    set ay [winfo reqheight .t.l]

    .t.l config -wrap [expr {$ax*6}] -text "00000000"
    list [expr {[winfo reqwidth .t.l] eq 6*$ax}] \
        [expr {[winfo reqheight .t.l] eq 2*$ay}]
} -cleanup {
    destroy .t.l
} -result {1 1}

test winfont-5.5 {Tk_MeasureChars procedure: include last partial char} -constraints {
................................................................................
    canvas .t.c -closeenough 0
    set t [.t.c create text 0 0 -anchor nw -just left -font $courier]
    pack .t.c
    update

    .t.c dchars $t 0 end
    .t.c insert $t 0 "0000"
    .t.c index $t @[expr {int($cx*2.5)}],1
} -cleanup {
    destroy .t.c
} -result {2}

test winfont-5.6 {Tk_MeasureChars procedure: at least one char on line} -constraints {
    win
} -setup {
................................................................................
    label .t.l -padx 0 -pady 0 -bd 0 -highlightthickness 0 -justify left \
        -text "0" -font systemfixed
    pack .t.l
    update
    set ax [winfo reqwidth .t.l]
    set ay [winfo reqheight .t.l]

    .t.l config -wrap [expr {$ax*8}] -text "000000 0000"
    list [expr {[winfo reqwidth .t.l] eq 6*$ax}] \
        [expr {[winfo reqheight .t.l] eq 2*$ay}]
} -cleanup {
    destroy .t.l
} -result {1 1}

test winfont-5.8 {Tk_MeasureChars procedure: already saw space in line} -constraints {
................................................................................
    label .t.l -padx 0 -pady 0 -bd 0 -highlightthickness 0 -justify left \
        -text "0" -font systemfixed
    pack .t.l
    update
    set ax [winfo reqwidth .t.l]
    set ay [winfo reqheight .t.l]

    .t.l config -wrap [expr {$ax*12}] -text "000000    0000000"
    list [expr {[winfo reqwidth .t.l] eq 7*$ax}] \
        [expr {[winfo reqheight .t.l] eq 2*$ay}]
} -cleanup {
    destroy .t.l
} -result {1 1}

test winfont-5.9 {Tk_MeasureChars procedure: internal spaces significant} -constraints {
................................................................................
    label .t.l -padx 0 -pady 0 -bd 0 -highlightthickness 0 -justify left \
        -text "0" -font systemfixed
    pack .t.l
    update
    set ax [winfo reqwidth .t.l]
    set ay [winfo reqheight .t.l]

    .t.l config -wrap [expr {$ax*12}] -text "000  00   00000"
    list [expr {[winfo reqwidth .t.l] eq 7*$ax}] \
        [expr {[winfo reqheight .t.l] eq 2*$ay}]
} -cleanup {
    destroy .t.l
} -result {1 1}

test winfont-5.10 {Tk_MeasureChars procedure: make first part of word fit} -constraints {
................................................................................
    label .t.l -padx 0 -pady 0 -bd 0 -highlightthickness 0 -justify left \
        -text "0" -font systemfixed
    pack .t.l
    update
    set ax [winfo reqwidth .t.l]
    set ay [winfo reqheight .t.l]

    .t.l config -wrap [expr {$ax*12}] -text "0000000000000000"
    list [expr {[winfo reqwidth .t.l] eq 12*$ax}] \
        [expr {[winfo reqheight .t.l] eq 2*$ay}]
} -cleanup {
    destroy .t.l
} -result {1 1}

test winfont-5.11 {Tk_MeasureChars procedure: check for kerning} -constraints {
................................................................................

    set font [.t.l cget -font]
    .t.l config -font {{MS Sans Serif} 8} -text "W"
    set width [winfo reqwidth .t.l]
    .t.l config -text "XaYoYaKaWx"
    set x [lindex [getsize] 0]
    .t.l config -font $font
    expr {$x < ($width*10)}
} -cleanup {
    destroy .t.l
} -result {1}


test winfont-6.1 {Tk_DrawChars procedure: loop test} -constraints win -setup {
    destroy .t.l

} {a}
test winSend-2.3 {Tk_SendObjCmd - sending to ourselves in a different interpreter} winSend {
    newApp testApp
    list [catch {send testApp {set foo b}} msg] $msg [interp delete testApp]
} {0 b {}}
test winSend-2.4 {Tk_SendObjCmd - sending to ourselves in a different interp with errors} winSend {
    newApp testApp
    list [catch {send testApp {expr 2 / 0}} msg] $msg $errorCode $errorInfo [interp delete testApp]
} "1 {divide by zero} {ARITH DIVZERO {divide by zero}} {divide by zero\n    while executing\n\"expr 2 / 0\"\n    invoked from within\n\"send testApp {expr 2 / 0}\"} {}"
test winSend-2.5 {Tk_SendObjCmd - sending to another app async} winSend {
    set newInterps [winfo interps]
    foreach interp $newInterps {
	if {[lsearch $currentInterps $interp] < 0} {
	    break
	}
    }
................................................................................
test winSend-2.7 {Tk_SendObjCmd - sending to another app - error} winSend {
    set newInterps [winfo interps]
    foreach interp $newInterps {
	if {[lsearch $currentInterps $interp] < 0} {
	    break
	}
    }
    list [catch {send $interp {expr 2 / 0}} msg] $msg $errorCode $errorInfo
} "1 {divide by zero} {ARITH DIVZERO {divide by zero}} {divide by zero\n    while executing\n\"expr 2 / 0\"\n    invoked from within\n\"send \$interp {expr 2 / 0}\"}"

test winSend-3.1 {TkGetInterpNames} winSend {
    set origLength [llength $currentInterps]
    set newLength [llength [winfo interps]]
    expr {($newLength - 2) == $origLength}
} {1}

................................................................................
test winSend-5.1 {ExecuteRemoteObject - no error} winSend {
    set newInterps [winfo interps]
    foreach interp $newInterps {
	if {[lsearch $currentInterps $interp] < 0} {
	    break
	}
    }
    list [send $interp {send [tk appname] {expr 2 / 1}}]
} {2}
test winSend-5.2 {ExecuteRemoteObject - error} winSend {
    set newInterps [winfo interps]
    foreach interp $newInterps {
	if {[lsearch $currentInterps $interp] < 0} {
	    break
	}
    }
    list [catch {send $interp {send [tk appname] {expr 2 / 0}}} msg] $msg
} {1 {divide by zero}}

test winSend-6.1 {SendDDEServer - XTYP_CONNECT} winSend {
    set foo "Hello, World"
    set newInterps [winfo interps]
    foreach interp $newInterps {
	if {[lsearch $currentInterps $interp] < 0} {
................................................................................
    set foo 3
    set newInterps [winfo interps]
    foreach interp $newInterps {
	if {[lsearch $currentInterps $interp] < 0} {
	    break
	}
    }
    set command "send [tk appname] {expr $foo + 1}"
    list [catch "send \{$interp\} \{$command\}" msg] $msg
} {0 4}
test winSend-6.7 {SendDDEServer - XTYP_EXECUTE} winSend {
    set newInterps [winfo interps]
    foreach interp $newInterps {
	if {[lsearch $currentInterps $interp] < 0} {
	    break
	}
    }
    set command "send [tk appname] {expr 4 / 2}"
    list [catch "send \{$interp\} \{$command\}" msg] $msg
} {0 2}
test winSend-6.8 {SendDDEServer - XTYP_WILDCONNECT} winSend {
    set newInterps [winfo interps]
    foreach interp $newInterps {
	if {[lsearch $currentInterps $interp] < 0} {
	    break
................................................................................
	}
    }
    send $interp {set foo winSend-10.17}
    list [catch {dde request Tk $interp foo} msg] $msg
} {0 winSend-10.17}
test winSend-10.18 {Tk_DDEObjCmd - services} winSend {
    set currentService [list Tk [tk appname]]
    list [catch {dde services Tk {}} msg] [expr [lsearch $msg $currentService] >= 0]
} {0 1}

# Get rid of the other app and all of its interps

set newInterps [winfo interps]
while {[llength $newInterps] != [llength $currentInterps]} {
    foreach interp $newInterps {

} {a}
test winSend-2.3 {Tk_SendObjCmd - sending to ourselves in a different interpreter} winSend {
    newApp testApp
    list [catch {send testApp {set foo b}} msg] $msg [interp delete testApp]
} {0 b {}}
test winSend-2.4 {Tk_SendObjCmd - sending to ourselves in a different interp with errors} winSend {
    newApp testApp
    list [catch {send testApp {expr {2 / 0}}} msg] $msg $errorCode $errorInfo [interp delete testApp]
} "1 {divide by zero} {ARITH DIVZERO {divide by zero}} {divide by zero\n    while executing\n\"expr {2 / 0}\"\n    invoked from within\n\"send testApp {expr {2 / 0}}\"} {}"
test winSend-2.5 {Tk_SendObjCmd - sending to another app async} winSend {
    set newInterps [winfo interps]
    foreach interp $newInterps {
	if {[lsearch $currentInterps $interp] < 0} {
	    break
	}
    }
................................................................................
test winSend-2.7 {Tk_SendObjCmd - sending to another app - error} winSend {
    set newInterps [winfo interps]
    foreach interp $newInterps {
	if {[lsearch $currentInterps $interp] < 0} {
	    break
	}
    }
    list [catch {send $interp {expr {2 / 0}}} msg] $msg $errorCode $errorInfo
} "1 {divide by zero} {ARITH DIVZERO {divide by zero}} {divide by zero\n    while executing\n\"expr {2 / 0}\"\n    invoked from within\n\"send \$interp {expr {2 / 0}}\"}"

test winSend-3.1 {TkGetInterpNames} winSend {
    set origLength [llength $currentInterps]
    set newLength [llength [winfo interps]]
    expr {($newLength - 2) == $origLength}
} {1}

................................................................................
test winSend-5.1 {ExecuteRemoteObject - no error} winSend {
    set newInterps [winfo interps]
    foreach interp $newInterps {
	if {[lsearch $currentInterps $interp] < 0} {
	    break
	}
    }
    list [send $interp {send [tk appname] {expr {2 / 1}}}]
} {2}
test winSend-5.2 {ExecuteRemoteObject - error} winSend {
    set newInterps [winfo interps]
    foreach interp $newInterps {
	if {[lsearch $currentInterps $interp] < 0} {
	    break
	}
    }
    list [catch {send $interp {send [tk appname] {expr {2 / 0}}}} msg] $msg
} {1 {divide by zero}}

test winSend-6.1 {SendDDEServer - XTYP_CONNECT} winSend {
    set foo "Hello, World"
    set newInterps [winfo interps]
    foreach interp $newInterps {
	if {[lsearch $currentInterps $interp] < 0} {
................................................................................
    set foo 3
    set newInterps [winfo interps]
    foreach interp $newInterps {
	if {[lsearch $currentInterps $interp] < 0} {
	    break
	}
    }
    set command "send [tk appname] {expr {$foo + 1}}"
    list [catch "send \{$interp\} \{$command\}" msg] $msg
} {0 4}
test winSend-6.7 {SendDDEServer - XTYP_EXECUTE} winSend {
    set newInterps [winfo interps]
    foreach interp $newInterps {
	if {[lsearch $currentInterps $interp] < 0} {
	    break
	}
    }
    set command "send [tk appname] {expr {4 / 2}}"
    list [catch "send \{$interp\} \{$command\}" msg] $msg
} {0 2}
test winSend-6.8 {SendDDEServer - XTYP_WILDCONNECT} winSend {
    set newInterps [winfo interps]
    foreach interp $newInterps {
	if {[lsearch $currentInterps $interp] < 0} {
	    break
................................................................................
	}
    }
    send $interp {set foo winSend-10.17}
    list [catch {dde request Tk $interp foo} msg] $msg
} {0 winSend-10.17}
test winSend-10.18 {Tk_DDEObjCmd - services} winSend {
    set currentService [list Tk [tk appname]]
    list [catch {dde services Tk {}} msg] [expr {[lsearch $msg $currentService] >= 0}]
} {0 1}

# Get rid of the other app and all of its interps

set newInterps [winfo interps]
while {[llength $newInterps] != [llength $currentInterps]} {
    foreach interp $newInterps {

    destroy $w
    eval toplevel $w $options
    wm geom $w +0+0
    canvas $w.c -width 400 -height 200 -bd 0
    pack $w.c
    for {set y 0} {$y < 8} {incr y} {
        for {set x 0} {$x < 40} {incr x} {
            set color [format #%02x%02x%02x [expr $x*6] [expr $y*30] 0]
            $w.c create rectangle [expr 10*$x] [expr 20*$y] \
                [expr 10*$x + 10] [expr 20*$y + 20] -outline {} \
                -fill $color
        }
    }
    update
}

# XXX - This test file is woefully incomplete.  At present, only a
................................................................................
} -body {
    toplevel .t -width 550 -height 400
    frame .t.f -width 80 -height 60 -bd 2 -relief raised
    place .t.f -x 50 -y 50
    wm geom .t +0+0
    update

    winfo containing [expr [winfo rootx .t.f]-1] [expr [winfo rooty .t.f]-1]
} -cleanup {
    destroy .t
} -result .t
test winfo-4.7 {"winfo containing" command} -setup {
    destroy .t
} -body {
    toplevel .t -width 550 -height 400
    frame .t.f -width 80 -height 60 -bd 2 -relief raised
    place .t.f -x 50 -y 50
    wm geom .t +0+0
    update

    set x [winfo containing -display .t.f [expr [winfo rootx .t]+600] \
        [expr [winfo rooty .t.f]+450]]
    expr {($x == ".") || ($x == "")}
} -cleanup {
    destroy .t
} -result {1}


test winfo-5.1 {"winfo interps" command} -body {
................................................................................
    llength [lindex [winfo visualsa .] 0]
} -result {2}
test winfo-11.5 {"winfo visualid" command} -body {
    llength [lindex [winfo visualsa . includeids] 0]
} -result {3}
test winfo-11.6 {"winfo visualid" command} -body {
    set x [lindex [lindex [winfo visualsa . includeids] 0] 2]
    expr $x + 2 - $x
} -result {2}


test winfo-12.1 {GetDisplayOf procedure} -body {
    winfo atom - foo x
} -returnCodes error -result {wrong # args: should be "winfo atom ?-displayof window? name"}
test winfo-12.2 {GetDisplayOf procedure} -body {

    destroy $w
    eval toplevel $w $options
    wm geom $w +0+0
    canvas $w.c -width 400 -height 200 -bd 0
    pack $w.c
    for {set y 0} {$y < 8} {incr y} {
        for {set x 0} {$x < 40} {incr x} {
            set color [format #%02x%02x%02x [expr {$x*6}] [expr {$y*30}] 0]
            $w.c create rectangle [expr {10*$x}] [expr {20*$y}] \
                [expr {10*$x + 10}] [expr {20*$y + 20}] -outline {} \
                -fill $color
        }
    }
    update
}

# XXX - This test file is woefully incomplete.  At present, only a
................................................................................
} -body {
    toplevel .t -width 550 -height 400
    frame .t.f -width 80 -height 60 -bd 2 -relief raised
    place .t.f -x 50 -y 50
    wm geom .t +0+0
    update

    winfo containing [expr {[winfo rootx .t.f]-1}] [expr {[winfo rooty .t.f]-1}]
} -cleanup {
    destroy .t
} -result .t
test winfo-4.7 {"winfo containing" command} -setup {
    destroy .t
} -body {
    toplevel .t -width 550 -height 400
    frame .t.f -width 80 -height 60 -bd 2 -relief raised
    place .t.f -x 50 -y 50
    wm geom .t +0+0
    update

    set x [winfo containing -display .t.f [expr {[winfo rootx .t]+600}] \
        [expr {[winfo rooty .t.f]+450}]]
    expr {($x == ".") || ($x == "")}
} -cleanup {
    destroy .t
} -result {1}


test winfo-5.1 {"winfo interps" command} -body {
................................................................................
    llength [lindex [winfo visualsa .] 0]
} -result {2}
test winfo-11.5 {"winfo visualid" command} -body {
    llength [lindex [winfo visualsa . includeids] 0]
} -result {3}
test winfo-11.6 {"winfo visualid" command} -body {
    set x [lindex [lindex [winfo visualsa . includeids] 0] 2]
    expr {$x + 2 - $x}
} -result {2}


test winfo-12.1 {GetDisplayOf procedure} -body {
    winfo atom - foo x
} -returnCodes error -result {wrong # args: should be "winfo atom ?-displayof window? name"}
test winfo-12.2 {GetDisplayOf procedure} -body {