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Overview
Comment:improve twv examples
Timelines: family | ancestors | descendants | both | trunk
Files: files | file ages | folders
SHA1: e301b91a5e3046d002c116141b71d4c82b24370f
User & Date: chw 2019-06-24 13:24:19.746
Context
2019-06-26
03:41
add selected tk upstream changes check-in: 26ecdae69e user: chw tags: trunk
2019-06-24
13:25
merge with trunk check-in: 56b3ad1cde user: chw tags: wtf-8-experiment
13:24
improve twv examples check-in: e301b91a5e user: chw tags: trunk
13:07
fix some encoding issues in tkpath ptext items check-in: db36158b9b user: chw tags: trunk
Changes
Unified Diff Ignore Whitespace Patch
Changes to undroid/tsb/examples/cheatsheet.tsb.
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where the number is the index in the history array. Arbitrary text can be
entered which however should be valid Tcl code, except the very first line
is <code>#HTML</code> or <code>#MARKDOWN</code>, in which case the
following lines should be valid HTML or Markdown text, respectively.
The input field is evaluated when <code>&lt;Shift-Return&gt;</code>
is pressed.</p>

<p>Depending on the command evaluation the input field is sometimes hidden.

A double click on the corresponding output field(s) makes the input field
visible and thus editable, again.</p>} 14 {h3 "Output Fields"} 15 {#HTML
<p>Each input field has two corresponding output fields which are
visible/non-empty depending on context. One output field receives
preformatted text, either the result or the error message of a
command evaluation. The other output field receives HTML, e.g.
for displaying an image or for the <code>#HTML</code> and
<code>#MARKDOWN</code> formats from the input field.</p>} 16 {tsb::save cheatsheet.tsb}








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where the number is the index in the history array. Arbitrary text can be
entered which however should be valid Tcl code, except the very first line
is <code>#HTML</code> or <code>#MARKDOWN</code>, in which case the
following lines should be valid HTML or Markdown text, respectively.
The input field is evaluated when <code>&lt;Shift-Return&gt;</code>
is pressed.</p>

<p>Depending on the command evaluation the input field is sometimes
hidden, and a new input field gets added to the document. A double
click on the corresponding output field(s) makes a hidden input
field visible and thus editable, again.</p>} 14 {h3 "Output Fields"} 15 {#HTML
<p>Each input field has two corresponding output fields which are
visible/non-empty depending on context. One output field receives
preformatted text, either the result or the error message of a
command evaluation. The other output field receives HTML, e.g.
for displaying an image or for the <code>#HTML</code> and
<code>#MARKDOWN</code> formats from the input field.</p>} 16 {tsb::save cheatsheet.tsb}
Changes to undroid/tsb/examples/mqtt.tsb.
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the GWDS/WSV.</p>} 9 {$MQTT_CLIENT subscribe "de.wsv/pegel/cm/#" callback} 10 {#HTML
<p>From now on, periodic updates should be written into the DATA array.</p>} 11 {table {topic data} [array get DATA]} 12 {#HTML
<p>Refresh the table above each minute.</p>} 13 {proc refresh {} {
    after cancel refresh
    after 60000 refresh
    tsb::eval 11
}

refresh} 14 {tsb::save mqtt.tsb}








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the GWDS/WSV.</p>} 9 {$MQTT_CLIENT subscribe "de.wsv/pegel/cm/#" callback} 10 {#HTML
<p>From now on, periodic updates should be written into the DATA array.</p>} 11 {table {topic data} [array get DATA]} 12 {#HTML
<p>Refresh the table above each minute.</p>} 13 {proc refresh {} {
    after cancel refresh
    after 60000 refresh
    tsb::eval 11
}
# first refresh after 10 seconds ...
after 10000 refresh} 14 {tsb::save mqtt.tsb}
Changes to undroid/tsb/tsb.tcl.
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    variable D_style
    variable D_script
    variable D

    # HEAD
    set D_head {<!DOCTYPE html><html lang="en"><head>}
    append D_head {<meta charset="utf-8">}


    # STYLE, CSS
    set D_style {
	<style>
	body {
	    margin: 1em 2em 1em 2em;
	    font-family: sans-serif, Arial, Tahoma, Helvetica;
	    font-size: 90%;
	}
	textarea {
	    font-family: Consolas, Roboto Mono, Liberation Mono, monospace;
	    font-size: 90%;



	}
	pre {
	    /* overflow-x: auto; */
	    white-space: pre-wrap;
	    white-space: -moz-pre-wrap;
	    white-space: -pre-wrap;
	    white-space: -o-pre-wrap;
	    word-wrap: break-word;
	}
	pre, code {
	    font-family: Consolas, Roboto Mono, Liberation Mono, monospace;
	    font-size: 90%;
	}
	img, svg {
	    max-width: 95%;
	}
	.field {
	    border: 1px solid transparent;
	}
	.field:hover {
	    border: 1px dotted #AAAAAA;
	}
	.infield * {
	    vertical-align: middle;
	}
	.tlabel {
	    font-family: Consolas, Roboto Mono, Liberation Mono, monospace;
	    font-size: 90%;
	    margin: 1px;
	    padding: 1px;
	    width: 7ex;
	    display: inline-block;
	    text-align: right;
	}








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    variable D_style
    variable D_script
    variable D

    # HEAD
    set D_head {<!DOCTYPE html><html lang="en"><head>}
    append D_head {<meta charset="utf-8">}
    append D_head {<meta name="viewport" content="width=device-width, initial-scale=1.0">}

    # STYLE, CSS
    set D_style {
	<style>
	body {
	    margin: 1em 2em 1em 2em;
	    font-family: sans-serif, Arial, Tahoma, Helvetica;
	    font-size: 90%;
	}
	textarea {
	    font-family: Consolas, "Roboto Mono", "Liberation Mono", monospace;
	    font-size: 90%;
	}
	textarea::placeholder {
	    font-style: italic;
	}
	pre {
	    /* overflow-x: auto; */
	    white-space: pre-wrap;
	    white-space: -moz-pre-wrap;
	    white-space: -pre-wrap;
	    white-space: -o-pre-wrap;
	    word-wrap: break-word;
	}
	pre, code {
	    font-family: Consolas, "Roboto Mono", "Liberation Mono", monospace;
	    font-size: 90%;
	}
	img, svg {
	    max-width: 95%;
	}
	.field {
	    border: 1px solid transparent;
	}
	.field:hover {
	    border: 1px dotted #AAAAAA;
	}
	.infield * {
	    vertical-align: middle;
	}
	.tlabel {
	    font-family: Consolas, "Roboto Mono", "Liberation Mono", monospace;
	    font-size: 90%;
	    margin: 1px;
	    padding: 1px;
	    width: 7ex;
	    display: inline-block;
	    text-align: right;
	}
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	var Field = function(id) {
	    var div = document.createElement('div');
	    div.className = 'field';
	    var html = '\n <div class="infield" id="in' + id + '">';
	    html += '\n  <label class="tlabel"';
	    html += ' for="code' + id + '">in(' + id + ')</label>';
	    html += '\n  <textarea class="tin" id="code' + id + '" rows="1"';

	    html += '></textarea>\n </div>';
	    html += '\n <div id="out' + id + '-pre">';
	    html += '<pre></pre></div>';
	    html += '\n <div id="out' + id + '-raw"></div>\n';
	    div.innerHTML = html;
	    document.body.appendChild(div);
	    /* For better readability only. */
	    document.body.appendChild(document.createTextNode('\n'));
	    needsClear[id] = null;
	    var input = document.getElementById('code' + id);
	    input.addEventListener('keydown', function(event) {
		var code;
		var shift = false;

		if (window.event) {
		    code = window.event.keyCode;
		    if (window.event.shiftKey) {
			shift = true;



		    }
		} else {
		    code = event.keyCode;
		    if (event.shiftKey) {
			shift = true;



		    }
		    if (shift && code == 13) {
			event.stopPropagation();



		    }
		}
		if (shift && code == 13) {
		    needsClear[id] = true;
		    RunTcl("" + id + " " + input.value);

		    event.preventDefault();





















		    return false;
		}
	    });
	    input.addEventListener('input', function(event) {
		var lines = input.value.split(/\r?\n|\r/);
		var nlines = (lines.length < 50) ? lines.length : 50;
		input.rows = nlines;








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	var Field = function(id) {
	    var div = document.createElement('div');
	    div.className = 'field';
	    var html = '\n <div class="infield" id="in' + id + '">';
	    html += '\n  <label class="tlabel"';
	    html += ' for="code' + id + '">in(' + id + ')</label>';
	    html += '\n  <textarea class="tin" id="code' + id + '" rows="1"';
	    html += ' wrap="soft" placeholder="Enter Tcl code, #HTML, or #MARKDOWN. Evaluate with &lt;Shift-Return&gt;."';
	    html += '></textarea>\n </div>';
	    html += '\n <div id="out' + id + '-pre">';
	    html += '<pre></pre></div>';
	    html += '\n <div id="out' + id + '-raw"></div>\n';
	    div.innerHTML = html;
	    document.body.appendChild(div);
	    /* For better readability only. */
	    document.body.appendChild(document.createTextNode('\n'));
	    needsClear[id] = null;
	    var input = document.getElementById('code' + id);
	    input.addEventListener('keydown', function(event) {
		var code;
		var shift = false;
		var ctrl = false;
		if (window.event) {
		    code = window.event.keyCode;
		    if (window.event.shiftKey) {
			shift = true;
		    }
		    if (window.event.ctrlKey) {
			ctrl = true;
		    }
		} else {
		    code = event.keyCode;
		    if (event.shiftKey) {
			shift = true;
		    }
		    if (event.ctrlKey) {
			ctrl = true;
		    }
		    if (shift && code == 13) {
			event.stopPropagation();
		    }
		    if (ctrl && code == 9) {
			event.stopPropagation();
		    }
		}
		if (shift && code == 13) {
		    needsClear[id] = true;
		    RunTcl("" + id + " " + input.value);
		    if (event.preventDefault) {
			event.preventDefault();
		    }
		    event.returnValue = false;
		    return false;
		}
		if (ctrl && code == 9) {
		    var top = input.scrollTop;
		    if (input.setSelectionRange) {
			var start = input.selectionStart;	
			var end = input.selectionEnd;
			input.value = input.value.substring(0, start)
			    + '\t' + input.value.substr(end);
			input.setSelectionRange(start + 1, start + 1);
			input.focus();
		    } else if (input.createTextRange) {
			document.selection.createRange().text = '\t';
			event.returnValue = false;
		    }
		    input.scrollTop = top;
		    if (event.preventDefault) {
			event.preventDefault();
		    }
		    return false;
		}
	    });
	    input.addEventListener('input', function(event) {
		var lines = input.value.split(/\r?\n|\r/);
		var nlines = (lines.length < 50) ? lines.length : 50;
		input.rows = nlines;
︙︙
Fossil version [bcbf150dc2] 2025-06-30 17:00:42