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Overview
Comment:in twv use runtime linking for webkit2gtk
Timelines: family | ancestors | descendants | both | trunk
Files: files | file ages | folders
SHA1: 47ae24e3e7010788ff86e469ca4840a6524dc497
User & Date: chw 2019-06-17 14:06:00.532
Context
2019-06-17
16:22
when building linux vanillawish use prebuilt twv if no webkit2gtk available check-in: 4d8dd37323 user: chw tags: trunk
14:06
in twv use runtime linking for webkit2gtk check-in: 47ae24e3e7 user: chw tags: trunk
2019-06-16
08:19
some fixes in undroidwish/vanilla build scripts check-in: ff246e49df user: chw tags: trunk
Changes
Unified Diff Ignore Whitespace Patch
Changes to undroid/twv/Makefile.
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	WEBVIEW_CFLAGS := -DWEBVIEW_WINAPI=1
	WEBVIEW_LDFLAGS := -lole32 -lcomctl32 -loleaut32 -luuid -mwindows
else ifeq ($(shell uname -s),Darwin)
	TARGET := libtwv.dylib
	WEBVIEW_CFLAGS := -DWEBVIEW_COCOA=1
	WEBVIEW_LDFLAGS := -framework WebKit
else




	TARGET := libtwv.so
	WEBVIEW_CFLAGS := -DWEBVIEW_GTK=1 \
	    $(shell pkg-config --cflags gtk+-3.0 webkit2gtk-4.0)
	WEBVIEW_LDFLAGS := $(shell pkg-config --libs webkit2gtk-4.0)
endif

all:	$(TARGET)

$(TARGET): twv.c
	$(CC) -fPIC -shared $(CFLAGS) $(TCL_CFLAGS) $(WEBVIEW_CFLAGS) twv.c \
	    $(LDFLAGS) $(TCL_LDFLAGS) $(WEBVIEW_LDFLAGS) -o $@








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	WEBVIEW_CFLAGS := -DWEBVIEW_WINAPI=1
	WEBVIEW_LDFLAGS := -lole32 -lcomctl32 -loleaut32 -luuid -mwindows
else ifeq ($(shell uname -s),Darwin)
	TARGET := libtwv.dylib
	WEBVIEW_CFLAGS := -DWEBVIEW_COCOA=1
	WEBVIEW_LDFLAGS := -framework WebKit
else

# to omit runtime linking, remove WEBVIEW_GTK_DL and use
# WEBVIEW_LDFLAGS := $(shell pkg-config --libs webkit2gtk-4.0)

	TARGET := libtwv.so
	WEBVIEW_CFLAGS := -DWEBVIEW_GTK=1 -DWEBVIEW_GTK_DL=1 \
	    $(shell pkg-config --cflags gtk+-3.0 webkit2gtk-4.0)
	WEBVIEW_LDFLAGS := -lgtk-3 -lgdk-3 -lglib-2.0
endif

all:	$(TARGET)

$(TARGET): twv.c
	$(CC) -fPIC -shared $(CFLAGS) $(TCL_CFLAGS) $(WEBVIEW_CFLAGS) twv.c \
	    $(LDFLAGS) $(TCL_LDFLAGS) $(WEBVIEW_LDFLAGS) -o $@
︙︙
Added undroid/twv/prebuilt/i386/libtwv.so.

cannot compute difference between binary files

Added undroid/twv/prebuilt/x86_64/libtwv.so.

cannot compute difference between binary files

Changes to undroid/twv/twv.c. 
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#include <tcl.h>

#define WEBVIEW_IMPLEMENTATION
#define WEBVIEW_STATIC



#include "webview.h"

/*
 * set w [::twv::new options ...]
 *
 * options:
 *   -width int





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#include <tcl.h>

#define WEBVIEW_IMPLEMENTATION
#define WEBVIEW_STATIC
#ifdef WEBVIEW_GTK_DL
#include "webview_dl.h"
#endif
#include "webview.h"

/*
 * set w [::twv::new options ...]
 *
 * options:
 *   -width int
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    if (Tcl_InitStubs(interp, "8.4", 0) == NULL) {
        return TCL_ERROR;
    }
#else
    if (Tcl_PkgRequire(interp, "Tcl", "8.4", 0) == NULL) {
        return TCL_ERROR;
    }






#endif
    if (Tcl_PkgProvide(interp, "twv", "0.1") != TCL_OK) {
        return TCL_ERROR;
    }
    tctrl = ckalloc(sizeof (tctrl));
    tctrl->counter = 0;
    Tcl_CreateNamespace(interp, "::twv", NULL, NULL);








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    if (Tcl_InitStubs(interp, "8.4", 0) == NULL) {
        return TCL_ERROR;
    }
#else
    if (Tcl_PkgRequire(interp, "Tcl", "8.4", 0) == NULL) {
        return TCL_ERROR;
    }
#endif
#ifdef WEBVIEW_GTK_DL
    if (webview_dl_init() < 0) {
	Tcl_SetResult(interp, "runtime linking webview failed", TCL_STATIC);
	return TCL_ERROR;
    }
#endif
    if (Tcl_PkgProvide(interp, "twv", "0.1") != TCL_OK) {
        return TCL_ERROR;
    }
    tctrl = ckalloc(sizeof (tctrl));
    tctrl->counter = 0;
    Tcl_CreateNamespace(interp, "::twv", NULL, NULL);
︙︙
Added undroid/twv/webview_dl.h. 






































































































































































































































































































































































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#ifndef WEBVIEW_DL_H
#define WEBVIEW_DL_H

#ifdef WEBVIEW_GTK
#include <dlfcn.h>
#include <pthread.h>
#include <JavaScriptCore/JavaScript.h>
#include <webkit2/webkit2.h>

typedef size_t (*fn_JSStringGetMaximumUTF8CStringSize)(JSStringRef);
typedef size_t (*fn_JSStringGetUTF8CString)(JSStringRef string, char *, size_t);
typedef void (*fn_JSStringRelease)(JSStringRef);
typedef JSStringRef (*fn_JSValueToStringCopy)(JSContextRef, JSValueRef, JSValueRef *);
typedef JSGlobalContextRef (*fn_webkit_javascript_result_get_global_context)(WebKitJavascriptResult *);
typedef JSValueRef (*fn_webkit_javascript_result_get_value)(WebKitJavascriptResult *);
typedef void (*fn_webkit_settings_set_enable_developer_extras)(WebKitSettings *, gboolean);
typedef void (*fn_webkit_settings_set_enable_write_console_messages_to_stdout)(WebKitSettings *, gboolean);
typedef WebKitUserContentManager *(*fn_webkit_user_content_manager_new)(void);
typedef gboolean (*fn_webkit_user_content_manager_register_script_message_handler)(WebKitUserContentManager *, const gchar *);
typedef WebKitSettings *(*fn_webkit_web_view_get_settings)(WebKitWebView *);
typedef GType (*fn_webkit_web_view_get_type)(void);
typedef void (*fn_webkit_web_view_load_uri)(WebKitWebView *, const gchar *);
typedef GtkWidget *(*fn_webkit_web_view_new_with_user_content_manager)(WebKitUserContentManager *);
typedef void (*fn_webkit_web_view_run_javascript)(WebKitWebView *, const gchar *, GCancellable *, GAsyncReadyCallback, gpointer);
typedef void (*fn_webkit_web_view_set_background_color)(WebKitWebView *, const GdkRGBA *);

struct wk_dl {
  fn_JSStringGetMaximumUTF8CStringSize JSStringGetMaximumUTF8CStringSize;
  fn_JSStringGetUTF8CString JSStringGetUTF8CString;
  fn_JSStringRelease JSStringRelease;
  fn_JSValueToStringCopy JSValueToStringCopy;
  fn_webkit_javascript_result_get_global_context webkit_javascript_result_get_global_context;
  fn_webkit_javascript_result_get_value webkit_javascript_result_get_value;
  fn_webkit_settings_set_enable_developer_extras webkit_settings_set_enable_developer_extras;
  fn_webkit_settings_set_enable_write_console_messages_to_stdout webkit_settings_set_enable_write_console_messages_to_stdout;
  fn_webkit_user_content_manager_new webkit_user_content_manager_new;
  fn_webkit_user_content_manager_register_script_message_handler webkit_user_content_manager_register_script_message_handler;
  fn_webkit_web_view_get_settings webkit_web_view_get_settings;
  fn_webkit_web_view_get_type webkit_web_view_get_type;
  fn_webkit_web_view_load_uri webkit_web_view_load_uri;
  fn_webkit_web_view_new_with_user_content_manager webkit_web_view_new_with_user_content_manager;
  fn_webkit_web_view_run_javascript webkit_web_view_run_javascript;
  fn_webkit_web_view_set_background_color webkit_web_view_set_background_color;
};

#ifdef WEBVIEW_STATIC
#define WEBVIEW_API static
static struct wk_dl wk_dl = { 0 };
#else
#define WEBVIEW_API extern
extern struct wk_dl wk_dl = { 0 };
#endif

WEBVIEW_API int webview_dl_init(void) {
  static pthread_mutex_t init_mutex = PTHREAD_MUTEX_INITIALIZER;
  static int initialized = 0;
  int i, result;
  static const char *libnames[2] = {
    "libwebkit2gtk-4.0.so.37",
    "libjavascriptcoregtk-4.0.so.18",
  };
  static void *libs[2] = { NULL, NULL };

  if (!initialized) {
    pthread_mutex_lock(&init_mutex);
    if (initialized) {
      goto done;
    }
    for (i = 0; i < 2; i++) {
      libs[i] = dlopen(libnames[i], RTLD_NOW);
      if (libs[i] == NULL) {
	initialized = -1;
	while (i > 0) {
	  --i;
	  dlclose(libs[i]);
	  libs[i] = NULL;
	}
	goto done;
      }
    }

#define DOSYM(name)				      \
    wk_dl.name = (fn_ ## name) dlsym(libs[0], #name); \
    if (wk_dl.name == NULL) goto dlerr;

    DOSYM(webkit_javascript_result_get_global_context);
    DOSYM(webkit_javascript_result_get_value);
    DOSYM(webkit_settings_set_enable_developer_extras);
    DOSYM(webkit_settings_set_enable_write_console_messages_to_stdout);
    DOSYM(webkit_user_content_manager_new);
    DOSYM(webkit_user_content_manager_register_script_message_handler);
    DOSYM(webkit_web_view_get_settings);
    DOSYM(webkit_web_view_get_type);
    DOSYM(webkit_web_view_load_uri);
    DOSYM(webkit_web_view_new_with_user_content_manager);
    DOSYM(webkit_web_view_run_javascript);
    DOSYM(webkit_web_view_set_background_color);

#undef DOSYM

#define DOSYM(name)				      \
    wk_dl.name = (fn_ ## name) dlsym(libs[1], #name); \
    if (wk_dl.name == NULL) goto dlerr;

    DOSYM(JSStringGetMaximumUTF8CStringSize);
    DOSYM(JSStringGetUTF8CString);
    DOSYM(JSStringRelease);
    DOSYM(JSValueToStringCopy);

#undef DOSYM

    initialized = 1;
    goto done;

dlerr:
    initialized = -1;
    for (i = 0; i < 2; i++) {
      dlclose(libs[i]);
      libs[i] = NULL;
    }

done:
    pthread_mutex_unlock(&init_mutex);
  }

  return (initialized > 0) ? 0 : -1;
}

#define JSStringGetMaximumUTF8CStringSize \
  wk_dl.JSStringGetMaximumUTF8CStringSize

#define JSStringGetUTF8CString \
  wk_dl.JSStringGetUTF8CString

#define JSStringRelease \
  wk_dl.JSStringRelease

#define JSValueToStringCopy \
  wk_dl.JSValueToStringCopy

#define webkit_javascript_result_get_global_context \
  wk_dl.webkit_javascript_result_get_global_context

#define webkit_javascript_result_get_value \
  wk_dl.webkit_javascript_result_get_value

#define webkit_settings_set_enable_developer_extras \
  wk_dl.webkit_settings_set_enable_developer_extras

#define webkit_settings_set_enable_write_console_messages_to_stdout \
  wk_dl.webkit_settings_set_enable_write_console_messages_to_stdout

#define webkit_user_content_manager_new \
  wk_dl.webkit_user_content_manager_new

#define webkit_user_content_manager_register_script_message_handler \
  wk_dl.webkit_user_content_manager_register_script_message_handler

#define webkit_web_view_get_settings \
  wk_dl.webkit_web_view_get_settings

#define webkit_web_view_get_type \
  wk_dl.webkit_web_view_get_type

#define webkit_web_view_load_uri \
  wk_dl.webkit_web_view_load_uri

#define webkit_web_view_new_with_user_content_manager \
  wk_dl.webkit_web_view_new_with_user_content_manager

#define webkit_web_view_run_javascript \
  wk_dl.webkit_web_view_run_javascript

#define webkit_web_view_set_background_color \
  wk_dl.webkit_web_view_set_background_color

#endif /* WEBVIEW_GTK */
#endif /* WEBVIEW_DL_H */
Fossil version [d3896c2acd] 2025-07-09 21:54:20