New upstream version 3.24.14
This commit is contained in:
Simon McVittie
@ -8,7 +8,7 @@
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<link rel="up" href="gtk-migrating-2-to-3.html" title="Migrating from GTK+ 2.x to GTK+ 3">
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<link rel="prev" href="gtk-migrating-2-to-3.html" title="Migrating from GTK+ 2.x to GTK+ 3">
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<link rel="next" href="gtk-migrating-GtkStyleContext.html" title="Theming changes">
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<meta name="generator" content="GTK-Doc V1.29 (XML mode)">
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<meta name="generator" content="GTK-Doc V1.32.1 (XML mode)">
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<link rel="stylesheet" href="style.css" type="text/css">
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</head>
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<body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF">
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@ -37,15 +37,15 @@
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which is described in detail in the API documentation
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(see <a class="xref" href="GtkWidget.html#geometry-management" title="Height-for-width Geometry Management">the section called “Height-for-width Geometry Management”</a>). As a consequence,
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the ::size-request signal and vfunc has been removed from
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<a class="link" href="GtkWidget.html#GtkWidgetClass" title="struct GtkWidgetClass"><span class="type">GtkWidgetClass</span></a>. The replacement for <code class="function">size_request()</code> can
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<a href="https://developer.gnome.org/gtk4/GtkWidget.html#GtkWidgetClass"><span class="type">GtkWidgetClass</span></a>. The replacement for <code class="function">size_request()</code> can
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take several levels of sophistication:
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</p>
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<div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; ">
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<li class="listitem">
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<p>
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As a minimal replacement to keep current functionality,
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you can simply implement the <a class="link" href="GtkWidget.html#GtkWidgetClass.get-preferred-width"><code class="function">GtkWidgetClass.get_preferred_width()</code></a> and
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<a class="link" href="GtkWidget.html#GtkWidgetClass.get-preferred-height"><code class="function">GtkWidgetClass.get_preferred_height()</code></a> vfuncs by calling your existing
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you can simply implement the <code class="function">GtkWidgetClass.get_preferred_width()</code> and
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<code class="function">GtkWidgetClass.get_preferred_height()</code> vfuncs by calling your existing
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<code class="function">size_request()</code> function. So you go from
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</p>
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<div class="informalexample">
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@ -63,17 +63,17 @@
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9
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10
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11</pre></td>
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<td class="listing_code"><pre class="programlisting"><span class="keyword">static</span><span class="normal"> </span><span class="type">void</span>
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<span class="function">my_widget_class_init</span><span class="normal"> </span><span class="symbol">(</span><span class="usertype">MyWidgetClass</span><span class="normal"> </span><span class="symbol">*</span><span class="normal">class</span><span class="symbol">)</span>
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<span class="cbracket">{</span>
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<span class="normal"> </span><span class="usertype">GtkWidgetClass</span><span class="normal"> </span><span class="symbol">*</span><span class="normal">widget_class </span><span class="symbol">=</span><span class="normal"> </span><span class="function">GTK_WIDGET_CLASS</span><span class="normal"> </span><span class="symbol">(</span><span class="normal">class</span><span class="symbol">);</span>
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<td class="listing_code"><pre class="programlisting"><span class="k">static</span> <span class="kt">void</span>
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<span class="nf">my_widget_class_init</span> <span class="p">(</span><span class="n">MyWidgetClass</span> <span class="o">*</span><span class="n">class</span><span class="p">)</span>
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<span class="p">{</span>
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<span class="n">GtkWidgetClass</span> <span class="o">*</span><span class="n">widget_class</span> <span class="o">=</span> <span class="n">GTK_WIDGET_CLASS</span> <span class="p">(</span><span class="n">class</span><span class="p">);</span>
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<span class="normal"> </span><span class="comment">/* ... */</span>
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<span class="cm">/* ... */</span>
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<span class="normal"> widget_class</span><span class="symbol">-></span><span class="normal">size_request </span><span class="symbol">=</span><span class="normal"> my_widget_size_request</span><span class="symbol">;</span>
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<span class="n">widget_class</span><span class="o">-></span><span class="n">size_request</span> <span class="o">=</span> <span class="n">my_widget_size_request</span><span class="p">;</span>
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<span class="normal"> </span><span class="comment">/* ... */</span>
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<span class="cbracket">}</span></pre></td>
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<span class="cm">/* ... */</span>
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<span class="p">}</span></pre></td>
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</tr>
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</tbody>
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</table>
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@ -129,45 +129,45 @@
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37
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38
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39</pre></td>
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<td class="listing_code"><pre class="programlisting"><span class="keyword">static</span><span class="normal"> </span><span class="type">void</span>
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<span class="function">my_widget_get_preferred_width</span><span class="normal"> </span><span class="symbol">(</span><span class="usertype">GtkWidget</span><span class="normal"> </span><span class="symbol">*</span><span class="normal">widget</span><span class="symbol">,</span>
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<span class="normal"> </span><span class="usertype">gint</span><span class="normal"> </span><span class="symbol">*</span><span class="normal">minimal_width</span><span class="symbol">,</span>
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<span class="normal"> </span><span class="usertype">gint</span><span class="normal"> </span><span class="symbol">*</span><span class="normal">natural_width</span><span class="symbol">)</span>
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<span class="cbracket">{</span>
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<span class="normal"> </span><span class="usertype">GtkRequisition</span><span class="normal"> requisition</span><span class="symbol">;</span>
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<td class="listing_code"><pre class="programlisting"><span class="k">static</span> <span class="kt">void</span>
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<span class="nf">my_widget_get_preferred_width</span> <span class="p">(</span><span class="n">GtkWidget</span> <span class="o">*</span><span class="n">widget</span><span class="p">,</span>
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<span class="n">gint</span> <span class="o">*</span><span class="n">minimal_width</span><span class="p">,</span>
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<span class="n">gint</span> <span class="o">*</span><span class="n">natural_width</span><span class="p">)</span>
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<span class="p">{</span>
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<span class="n">GtkRequisition</span> <span class="n">requisition</span><span class="p">;</span>
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<span class="normal"> </span><span class="function">my_widget_size_request</span><span class="normal"> </span><span class="symbol">(</span><span class="normal">widget</span><span class="symbol">,</span><span class="normal"> </span><span class="symbol">&</span><span class="normal">requisition</span><span class="symbol">);</span>
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<span class="n">my_widget_size_request</span> <span class="p">(</span><span class="n">widget</span><span class="p">,</span> <span class="o">&</span><span class="n">requisition</span><span class="p">);</span>
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<span class="normal"> </span><span class="symbol">*</span><span class="normal">minimal_width </span><span class="symbol">=</span><span class="normal"> </span><span class="symbol">*</span><span class="normal">natural_width </span><span class="symbol">=</span><span class="normal"> requisition</span><span class="symbol">.</span><span class="normal">width</span><span class="symbol">;</span>
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<span class="cbracket">}</span>
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<span class="o">*</span><span class="n">minimal_width</span> <span class="o">=</span> <span class="o">*</span><span class="n">natural_width</span> <span class="o">=</span> <span class="n">requisition</span><span class="p">.</span><span class="n">width</span><span class="p">;</span>
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<span class="p">}</span>
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<span class="keyword">static</span><span class="normal"> </span><span class="type">void</span>
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<span class="function">my_widget_get_preferred_height</span><span class="normal"> </span><span class="symbol">(</span><span class="usertype">GtkWidget</span><span class="normal"> </span><span class="symbol">*</span><span class="normal">widget</span><span class="symbol">,</span>
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<span class="normal"> </span><span class="usertype">gint</span><span class="normal"> </span><span class="symbol">*</span><span class="normal">minimal_height</span><span class="symbol">,</span>
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<span class="normal"> </span><span class="usertype">gint</span><span class="normal"> </span><span class="symbol">*</span><span class="normal">natural_height</span><span class="symbol">)</span>
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<span class="cbracket">{</span>
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<span class="normal"> </span><span class="usertype">GtkRequisition</span><span class="normal"> requisition</span><span class="symbol">;</span>
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<span class="k">static</span> <span class="kt">void</span>
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<span class="nf">my_widget_get_preferred_height</span> <span class="p">(</span><span class="n">GtkWidget</span> <span class="o">*</span><span class="n">widget</span><span class="p">,</span>
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<span class="n">gint</span> <span class="o">*</span><span class="n">minimal_height</span><span class="p">,</span>
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<span class="n">gint</span> <span class="o">*</span><span class="n">natural_height</span><span class="p">)</span>
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<span class="p">{</span>
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<span class="n">GtkRequisition</span> <span class="n">requisition</span><span class="p">;</span>
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||||
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<span class="normal"> </span><span class="function">my_widget_size_request</span><span class="normal"> </span><span class="symbol">(</span><span class="normal">widget</span><span class="symbol">,</span><span class="normal"> </span><span class="symbol">&</span><span class="normal">requisition</span><span class="symbol">);</span>
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<span class="n">my_widget_size_request</span> <span class="p">(</span><span class="n">widget</span><span class="p">,</span> <span class="o">&</span><span class="n">requisition</span><span class="p">);</span>
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<span class="normal"> </span><span class="symbol">*</span><span class="normal">minimal_height </span><span class="symbol">=</span><span class="normal"> </span><span class="symbol">*</span><span class="normal">natural_height </span><span class="symbol">=</span><span class="normal"> requisition</span><span class="symbol">.</span><span class="normal">height</span><span class="symbol">;</span>
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<span class="cbracket">}</span>
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<span class="o">*</span><span class="n">minimal_height</span> <span class="o">=</span> <span class="o">*</span><span class="n">natural_height</span> <span class="o">=</span> <span class="n">requisition</span><span class="p">.</span><span class="n">height</span><span class="p">;</span>
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<span class="p">}</span>
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||||
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||||
<span class="normal"> </span><span class="comment">/* ... */</span>
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||||
<span class="cm">/* ... */</span>
|
||||
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||||
<span class="keyword">static</span><span class="normal"> </span><span class="type">void</span>
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||||
<span class="function">my_widget_class_init</span><span class="normal"> </span><span class="symbol">(</span><span class="usertype">MyWidgetClass</span><span class="normal"> </span><span class="symbol">*</span><span class="normal">class</span><span class="symbol">)</span>
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||||
<span class="cbracket">{</span>
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<span class="normal"> </span><span class="usertype">GtkWidgetClass</span><span class="normal"> </span><span class="symbol">*</span><span class="normal">widget_class </span><span class="symbol">=</span><span class="normal"> </span><span class="function">GTK_WIDGET_CLASS</span><span class="normal"> </span><span class="symbol">(</span><span class="normal">class</span><span class="symbol">);</span>
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||||
<span class="k">static</span> <span class="kt">void</span>
|
||||
<span class="nf">my_widget_class_init</span> <span class="p">(</span><span class="n">MyWidgetClass</span> <span class="o">*</span><span class="n">class</span><span class="p">)</span>
|
||||
<span class="p">{</span>
|
||||
<span class="n">GtkWidgetClass</span> <span class="o">*</span><span class="n">widget_class</span> <span class="o">=</span> <span class="n">GTK_WIDGET_CLASS</span> <span class="p">(</span><span class="n">class</span><span class="p">);</span>
|
||||
|
||||
<span class="normal"> </span><span class="comment">/* ... */</span>
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||||
<span class="cm">/* ... */</span>
|
||||
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||||
<span class="normal"> widget_class</span><span class="symbol">-></span><span class="normal">get_preferred_width </span><span class="symbol">=</span><span class="normal"> my_widget_get_preferred_width</span><span class="symbol">;</span>
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||||
<span class="normal"> widget_class</span><span class="symbol">-></span><span class="normal">get_preferred_height </span><span class="symbol">=</span><span class="normal"> my_widget_get_preferred_height</span><span class="symbol">;</span>
|
||||
<span class="n">widget_class</span><span class="o">-></span><span class="n">get_preferred_width</span> <span class="o">=</span> <span class="n">my_widget_get_preferred_width</span><span class="p">;</span>
|
||||
<span class="n">widget_class</span><span class="o">-></span><span class="n">get_preferred_height</span> <span class="o">=</span> <span class="n">my_widget_get_preferred_height</span><span class="p">;</span>
|
||||
|
||||
<span class="normal"> </span><span class="comment">/* ... */</span>
|
||||
<span class="cm">/* ... */</span>
|
||||
|
||||
<span class="cbracket">}</span></pre></td>
|
||||
<span class="p">}</span></pre></td>
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||||
</tr>
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||||
</tbody>
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</table>
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@ -232,52 +232,52 @@
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44
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45
|
||||
46</pre></td>
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<td class="listing_code"><pre class="programlisting"><span class="keyword">static</span><span class="normal"> </span><span class="type">void</span>
|
||||
<span class="function">my_widget_get_preferred_size</span><span class="normal"> </span><span class="symbol">(</span><span class="usertype">GtkWidget</span><span class="normal"> </span><span class="symbol">*</span><span class="normal">widget</span><span class="symbol">,</span>
|
||||
<span class="normal"> </span><span class="usertype">GtkOrientation</span><span class="normal"> orientation</span><span class="symbol">,</span>
|
||||
<span class="normal"> </span><span class="usertype">gint</span><span class="normal"> </span><span class="symbol">*</span><span class="normal">minimal_size</span><span class="symbol">,</span>
|
||||
<span class="normal"> </span><span class="usertype">gint</span><span class="normal"> </span><span class="symbol">*</span><span class="normal">natural_size</span><span class="symbol">)</span>
|
||||
<span class="cbracket">{</span>
|
||||
<td class="listing_code"><pre class="programlisting"><span class="k">static</span> <span class="kt">void</span>
|
||||
<span class="nf">my_widget_get_preferred_size</span> <span class="p">(</span><span class="n">GtkWidget</span> <span class="o">*</span><span class="n">widget</span><span class="p">,</span>
|
||||
<span class="n">GtkOrientation</span> <span class="n">orientation</span><span class="p">,</span>
|
||||
<span class="n">gint</span> <span class="o">*</span><span class="n">minimal_size</span><span class="p">,</span>
|
||||
<span class="n">gint</span> <span class="o">*</span><span class="n">natural_size</span><span class="p">)</span>
|
||||
<span class="p">{</span>
|
||||
|
||||
<span class="normal"> </span><span class="comment">/* do things that are common for both orientations ... */</span>
|
||||
<span class="cm">/* do things that are common for both orientations ... */</span>
|
||||
|
||||
<span class="normal"> </span><span class="keyword">if</span><span class="normal"> </span><span class="symbol">(</span><span class="normal">orientation </span><span class="symbol">==</span><span class="normal"> <a href="gtk3-Standard-Enumerations.html#GTK-ORIENTATION-HORIZONTAL:CAPS">GTK_ORIENTATION_HORIZONTAL</a></span><span class="symbol">)</span>
|
||||
<span class="normal"> </span><span class="cbracket">{</span>
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||||
<span class="normal"> </span><span class="comment">/* do stuff that only applies to width... */</span>
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||||
<span class="k">if</span> <span class="p">(</span><span class="n">orientation</span> <span class="o">==</span> <span class="n">GTK_ORIENTATION_HORIZONTAL</span><span class="p">)</span>
|
||||
<span class="p">{</span>
|
||||
<span class="cm">/* do stuff that only applies to width... */</span>
|
||||
|
||||
<span class="normal"> </span><span class="symbol">*</span><span class="normal">minimal_size </span><span class="symbol">=</span><span class="normal"> </span><span class="symbol">*</span><span class="normal">natural_size </span><span class="symbol">=</span><span class="normal"> </span><span class="symbol">...</span>
|
||||
<span class="normal"> </span><span class="cbracket">}</span>
|
||||
<span class="normal"> </span><span class="keyword">else</span>
|
||||
<span class="normal"> </span><span class="cbracket">{</span>
|
||||
<span class="normal"> </span><span class="comment">/* do stuff that only applies to height... */</span>
|
||||
<span class="o">*</span><span class="n">minimal_size</span> <span class="o">=</span> <span class="o">*</span><span class="n">natural_size</span> <span class="o">=</span> <span class="p">...</span>
|
||||
<span class="p">}</span>
|
||||
<span class="k">else</span>
|
||||
<span class="p">{</span>
|
||||
<span class="cm">/* do stuff that only applies to height... */</span>
|
||||
|
||||
<span class="normal"> </span><span class="symbol">*</span><span class="normal">minimal_size </span><span class="symbol">=</span><span class="normal"> </span><span class="symbol">*</span><span class="normal">natural_size </span><span class="symbol">=</span><span class="normal"> </span><span class="symbol">...</span>
|
||||
<span class="normal"> </span><span class="cbracket">}</span>
|
||||
<span class="cbracket">}</span>
|
||||
<span class="o">*</span><span class="n">minimal_size</span> <span class="o">=</span> <span class="o">*</span><span class="n">natural_size</span> <span class="o">=</span> <span class="p">...</span>
|
||||
<span class="p">}</span>
|
||||
<span class="p">}</span>
|
||||
|
||||
<span class="keyword">static</span><span class="normal"> </span><span class="type">void</span>
|
||||
<span class="function">my_widget_get_preferred_width</span><span class="normal"> </span><span class="symbol">(</span><span class="usertype">GtkWidget</span><span class="normal"> </span><span class="symbol">*</span><span class="normal">widget</span><span class="symbol">,</span>
|
||||
<span class="normal"> </span><span class="usertype">gint</span><span class="normal"> </span><span class="symbol">*</span><span class="normal">minimal_width</span><span class="symbol">,</span>
|
||||
<span class="normal"> </span><span class="usertype">gint</span><span class="normal"> </span><span class="symbol">*</span><span class="normal">natural_width</span><span class="symbol">)</span>
|
||||
<span class="cbracket">{</span>
|
||||
<span class="normal"> </span><span class="function">my_widget_get_preferred_size</span><span class="normal"> </span><span class="symbol">(</span><span class="normal">widget</span><span class="symbol">,</span>
|
||||
<span class="normal"> <a href="gtk3-Standard-Enumerations.html#GTK-ORIENTATION-HORIZONTAL:CAPS">GTK_ORIENTATION_HORIZONTAL</a></span><span class="symbol">,</span>
|
||||
<span class="normal"> minimal_width</span><span class="symbol">,</span>
|
||||
<span class="normal"> natural_width</span><span class="symbol">);</span>
|
||||
<span class="cbracket">}</span>
|
||||
<span class="k">static</span> <span class="kt">void</span>
|
||||
<span class="nf">my_widget_get_preferred_width</span> <span class="p">(</span><span class="n">GtkWidget</span> <span class="o">*</span><span class="n">widget</span><span class="p">,</span>
|
||||
<span class="n">gint</span> <span class="o">*</span><span class="n">minimal_width</span><span class="p">,</span>
|
||||
<span class="n">gint</span> <span class="o">*</span><span class="n">natural_width</span><span class="p">)</span>
|
||||
<span class="p">{</span>
|
||||
<span class="n">my_widget_get_preferred_size</span> <span class="p">(</span><span class="n">widget</span><span class="p">,</span>
|
||||
<span class="n">GTK_ORIENTATION_HORIZONTAL</span><span class="p">,</span>
|
||||
<span class="n">minimal_width</span><span class="p">,</span>
|
||||
<span class="n">natural_width</span><span class="p">);</span>
|
||||
<span class="p">}</span>
|
||||
|
||||
<span class="keyword">static</span><span class="normal"> </span><span class="type">void</span>
|
||||
<span class="function">my_widget_get_preferred_height</span><span class="normal"> </span><span class="symbol">(</span><span class="usertype">GtkWidget</span><span class="normal"> </span><span class="symbol">*</span><span class="normal">widget</span><span class="symbol">,</span>
|
||||
<span class="normal"> </span><span class="usertype">gint</span><span class="normal"> </span><span class="symbol">*</span><span class="normal">minimal_height</span><span class="symbol">,</span>
|
||||
<span class="normal"> </span><span class="usertype">gint</span><span class="normal"> </span><span class="symbol">*</span><span class="normal">natural_height</span><span class="symbol">)</span>
|
||||
<span class="cbracket">{</span>
|
||||
<span class="normal"> </span><span class="function">my_widget_get_preferred_size</span><span class="normal"> </span><span class="symbol">(</span><span class="normal">widget</span><span class="symbol">,</span>
|
||||
<span class="normal"> <a href="gtk3-Standard-Enumerations.html#GTK-ORIENTATION-VERTICAL:CAPS">GTK_ORIENTATION_VERTICAL</a></span><span class="symbol">,</span>
|
||||
<span class="normal"> minimal_height</span><span class="symbol">,</span>
|
||||
<span class="normal"> natural_height</span><span class="symbol">);</span>
|
||||
<span class="cbracket">}</span>
|
||||
<span class="k">static</span> <span class="kt">void</span>
|
||||
<span class="nf">my_widget_get_preferred_height</span> <span class="p">(</span><span class="n">GtkWidget</span> <span class="o">*</span><span class="n">widget</span><span class="p">,</span>
|
||||
<span class="n">gint</span> <span class="o">*</span><span class="n">minimal_height</span><span class="p">,</span>
|
||||
<span class="n">gint</span> <span class="o">*</span><span class="n">natural_height</span><span class="p">)</span>
|
||||
<span class="p">{</span>
|
||||
<span class="n">my_widget_get_preferred_size</span> <span class="p">(</span><span class="n">widget</span><span class="p">,</span>
|
||||
<span class="n">GTK_ORIENTATION_VERTICAL</span><span class="p">,</span>
|
||||
<span class="n">minimal_height</span><span class="p">,</span>
|
||||
<span class="n">natural_height</span><span class="p">);</span>
|
||||
<span class="p">}</span>
|
||||
|
||||
<span class="normal"> </span><span class="comment">/* ... */</span></pre></td>
|
||||
<span class="cm">/* ... */</span></pre></td>
|
||||
</tr>
|
||||
</tbody>
|
||||
</table>
|
||||
@ -290,8 +290,8 @@
|
||||
<p>If your widget can cope with a small size,
|
||||
but would appreciate getting some more space (a common
|
||||
example would be that it contains ellipsizable labels),
|
||||
you can do that by making your <a class="link" href="GtkWidget.html#GtkWidgetClass.get-preferred-width"><code class="function">GtkWidgetClass.get_preferred_width()</code></a> /
|
||||
<a class="link" href="GtkWidget.html#GtkWidgetClass.get-preferred-height"><code class="function">GtkWidgetClass.get_preferred_height()</code></a>
|
||||
you can do that by making your <code class="function">GtkWidgetClass.get_preferred_width()</code> /
|
||||
<code class="function">GtkWidgetClass.get_preferred_height()</code>
|
||||
functions return a smaller value for <em class="parameter"><code>minimal</code></em> than for <em class="parameter"><code>natural</code></em>.
|
||||
For <em class="parameter"><code>minimal</code></em>, you probably want to return the same value
|
||||
that your <code class="function">size_request()</code> function returned before (since
|
||||
@ -333,33 +333,33 @@
|
||||
25
|
||||
26
|
||||
27</pre></td>
|
||||
<td class="listing_code"><pre class="programlisting"><span class="keyword">static</span><span class="normal"> </span><span class="type">void</span>
|
||||
<span class="function">gtk_fixed_get_preferred_height</span><span class="normal"> </span><span class="symbol">(</span><span class="usertype">GtkWidget</span><span class="normal"> </span><span class="symbol">*</span><span class="normal">widget</span><span class="symbol">,</span>
|
||||
<span class="normal"> </span><span class="usertype">gint</span><span class="normal"> </span><span class="symbol">*</span><span class="normal">minimum</span><span class="symbol">,</span>
|
||||
<span class="normal"> </span><span class="usertype">gint</span><span class="normal"> </span><span class="symbol">*</span><span class="normal">natural</span><span class="symbol">)</span>
|
||||
<span class="cbracket">{</span>
|
||||
<span class="normal"> </span><span class="usertype">GtkFixed</span><span class="normal"> </span><span class="symbol">*</span><span class="normal">fixed </span><span class="symbol">=</span><span class="normal"> </span><span class="function">GTK_FIXED</span><span class="normal"> </span><span class="symbol">(</span><span class="normal">widget</span><span class="symbol">);</span>
|
||||
<span class="normal"> </span><span class="usertype">GtkFixedPrivate</span><span class="normal"> </span><span class="symbol">*</span><span class="normal">priv </span><span class="symbol">=</span><span class="normal"> fixed</span><span class="symbol">-></span><span class="normal">priv</span><span class="symbol">;</span>
|
||||
<span class="normal"> </span><span class="usertype">GtkFixedChild</span><span class="normal"> </span><span class="symbol">*</span><span class="normal">child</span><span class="symbol">;</span>
|
||||
<span class="normal"> </span><span class="usertype">GList</span><span class="normal"> </span><span class="symbol">*</span><span class="normal">children</span><span class="symbol">;</span>
|
||||
<span class="normal"> </span><span class="usertype">gint</span><span class="normal"> child_min</span><span class="symbol">,</span><span class="normal"> child_nat</span><span class="symbol">;</span>
|
||||
<td class="listing_code"><pre class="programlisting"><span class="k">static</span> <span class="kt">void</span>
|
||||
<span class="nf">gtk_fixed_get_preferred_height</span> <span class="p">(</span><span class="n">GtkWidget</span> <span class="o">*</span><span class="n">widget</span><span class="p">,</span>
|
||||
<span class="n">gint</span> <span class="o">*</span><span class="n">minimum</span><span class="p">,</span>
|
||||
<span class="n">gint</span> <span class="o">*</span><span class="n">natural</span><span class="p">)</span>
|
||||
<span class="p">{</span>
|
||||
<span class="n">GtkFixed</span> <span class="o">*</span><span class="n">fixed</span> <span class="o">=</span> <span class="n">GTK_FIXED</span> <span class="p">(</span><span class="n">widget</span><span class="p">);</span>
|
||||
<span class="n">GtkFixedPrivate</span> <span class="o">*</span><span class="n">priv</span> <span class="o">=</span> <span class="n">fixed</span><span class="o">-></span><span class="n">priv</span><span class="p">;</span>
|
||||
<span class="n">GtkFixedChild</span> <span class="o">*</span><span class="n">child</span><span class="p">;</span>
|
||||
<span class="n">GList</span> <span class="o">*</span><span class="n">children</span><span class="p">;</span>
|
||||
<span class="n">gint</span> <span class="n">child_min</span><span class="p">,</span> <span class="n">child_nat</span><span class="p">;</span>
|
||||
|
||||
<span class="normal"> </span><span class="symbol">*</span><span class="normal">minimum </span><span class="symbol">=</span><span class="normal"> </span><span class="number">0</span><span class="symbol">;</span>
|
||||
<span class="normal"> </span><span class="symbol">*</span><span class="normal">natural </span><span class="symbol">=</span><span class="normal"> </span><span class="number">0</span><span class="symbol">;</span>
|
||||
<span class="o">*</span><span class="n">minimum</span> <span class="o">=</span> <span class="mi">0</span><span class="p">;</span>
|
||||
<span class="o">*</span><span class="n">natural</span> <span class="o">=</span> <span class="mi">0</span><span class="p">;</span>
|
||||
|
||||
<span class="normal"> </span><span class="keyword">for</span><span class="normal"> </span><span class="symbol">(</span><span class="normal">children </span><span class="symbol">=</span><span class="normal"> priv</span><span class="symbol">-></span><span class="normal">children</span><span class="symbol">;</span><span class="normal"> children</span><span class="symbol">;</span><span class="normal"> children </span><span class="symbol">=</span><span class="normal"> children</span><span class="symbol">-></span><span class="normal">next</span><span class="symbol">)</span>
|
||||
<span class="normal"> </span><span class="cbracket">{</span>
|
||||
<span class="normal"> child </span><span class="symbol">=</span><span class="normal"> children</span><span class="symbol">-></span><span class="normal">data</span><span class="symbol">;</span>
|
||||
<span class="k">for</span> <span class="p">(</span><span class="n">children</span> <span class="o">=</span> <span class="n">priv</span><span class="o">-></span><span class="n">children</span><span class="p">;</span> <span class="n">children</span><span class="p">;</span> <span class="n">children</span> <span class="o">=</span> <span class="n">children</span><span class="o">-></span><span class="n">next</span><span class="p">)</span>
|
||||
<span class="p">{</span>
|
||||
<span class="n">child</span> <span class="o">=</span> <span class="n">children</span><span class="o">-></span><span class="n">data</span><span class="p">;</span>
|
||||
|
||||
<span class="normal"> </span><span class="keyword">if</span><span class="normal"> </span><span class="symbol">(!</span><span class="function"><a href="GtkWidget.html#gtk-widget-get-visible">gtk_widget_get_visible</a></span><span class="normal"> </span><span class="symbol">(</span><span class="normal">child</span><span class="symbol">-></span><span class="normal">widget</span><span class="symbol">))</span>
|
||||
<span class="normal"> </span><span class="keyword">continue</span><span class="symbol">;</span>
|
||||
<span class="k">if</span> <span class="p">(</span><span class="o">!</span><span class="n">gtk_widget_get_visible</span> <span class="p">(</span><span class="n">child</span><span class="o">-></span><span class="n">widget</span><span class="p">))</span>
|
||||
<span class="k">continue</span><span class="p">;</span>
|
||||
|
||||
<span class="normal"> </span><span class="function"><a href="GtkWidget.html#gtk-widget-get-preferred-height">gtk_widget_get_preferred_height</a></span><span class="normal"> </span><span class="symbol">(</span><span class="normal">child</span><span class="symbol">-></span><span class="normal">widget</span><span class="symbol">,</span><span class="normal"> </span><span class="symbol">&</span><span class="normal">child_min</span><span class="symbol">,</span><span class="normal"> </span><span class="symbol">&</span><span class="normal">child_nat</span><span class="symbol">);</span>
|
||||
<span class="n">gtk_widget_get_preferred_height</span> <span class="p">(</span><span class="n">child</span><span class="o">-></span><span class="n">widget</span><span class="p">,</span> <span class="o">&</span><span class="n">child_min</span><span class="p">,</span> <span class="o">&</span><span class="n">child_nat</span><span class="p">);</span>
|
||||
|
||||
<span class="normal"> </span><span class="symbol">*</span><span class="normal">minimum </span><span class="symbol">=</span><span class="normal"> </span><span class="function">MAX</span><span class="normal"> </span><span class="symbol">(*</span><span class="normal">minimum</span><span class="symbol">,</span><span class="normal"> child</span><span class="symbol">-></span><span class="normal">y </span><span class="symbol">+</span><span class="normal"> child_min</span><span class="symbol">);</span>
|
||||
<span class="normal"> </span><span class="symbol">*</span><span class="normal">natural </span><span class="symbol">=</span><span class="normal"> </span><span class="function">MAX</span><span class="normal"> </span><span class="symbol">(*</span><span class="normal">natural</span><span class="symbol">,</span><span class="normal"> child</span><span class="symbol">-></span><span class="normal">y </span><span class="symbol">+</span><span class="normal"> child_nat</span><span class="symbol">);</span>
|
||||
<span class="normal"> </span><span class="cbracket">}</span>
|
||||
<span class="cbracket">}</span></pre></td>
|
||||
<span class="o">*</span><span class="n">minimum</span> <span class="o">=</span> <span class="n">MAX</span> <span class="p">(</span><span class="o">*</span><span class="n">minimum</span><span class="p">,</span> <span class="n">child</span><span class="o">-></span><span class="n">y</span> <span class="o">+</span> <span class="n">child_min</span><span class="p">);</span>
|
||||
<span class="o">*</span><span class="n">natural</span> <span class="o">=</span> <span class="n">MAX</span> <span class="p">(</span><span class="o">*</span><span class="n">natural</span><span class="p">,</span> <span class="n">child</span><span class="o">-></span><span class="n">y</span> <span class="o">+</span> <span class="n">child_nat</span><span class="p">);</span>
|
||||
<span class="p">}</span>
|
||||
<span class="p">}</span></pre></td>
|
||||
</tr>
|
||||
</tbody>
|
||||
</table>
|
||||
@ -369,20 +369,20 @@
|
||||
</p>
|
||||
</li>
|
||||
<li class="listitem"><p>
|
||||
Note that the <a class="link" href="GtkWidget.html#GtkWidgetClass.get-preferred-width"><code class="function">GtkWidgetClass.get_preferred_width()</code></a> /
|
||||
<a class="link" href="GtkWidget.html#GtkWidgetClass.get-preferred-height"><code class="function">GtkWidgetClass.get_preferred_height()</code></a> functions
|
||||
Note that the <code class="function">GtkWidgetClass.get_preferred_width()</code> /
|
||||
<code class="function">GtkWidgetClass.get_preferred_height()</code> functions
|
||||
only allow you to deal with one dimension at a time. If your
|
||||
<code class="function">size_request()</code> handler is doing things that involve both
|
||||
width and height at the same time (e.g. limiting the aspect
|
||||
ratio), you will have to implement
|
||||
<a class="link" href="GtkWidget.html#GtkWidgetClass.get-preferred-height-for-width"><code class="function">GtkWidgetClass.get_preferred_height_for_width()</code></a>
|
||||
and <a class="link" href="GtkWidget.html#GtkWidgetClass.get-preferred-width-for-height"><code class="function">GtkWidgetClass.get_preferred_width_for_height()</code></a>.
|
||||
<code class="function">GtkWidgetClass.get_preferred_height_for_width()</code>
|
||||
and <code class="function">GtkWidgetClass.get_preferred_width_for_height()</code>.
|
||||
</p></li>
|
||||
<li class="listitem"><p>
|
||||
To make full use of the new capabilities of the
|
||||
height-for-width geometry management, you need to additionally
|
||||
implement the <a class="link" href="GtkWidget.html#GtkWidgetClass.get-preferred-height-for-width"><code class="function">GtkWidgetClass.get_preferred_height_for_width()</code></a> and
|
||||
<a class="link" href="GtkWidget.html#GtkWidgetClass.get-preferred-width-for-height"><code class="function">GtkWidgetClass.get_preferred_width_for_height()</code></a>. For details on
|
||||
implement the <code class="function">GtkWidgetClass.get_preferred_height_for_width()</code> and
|
||||
<code class="function">GtkWidgetClass.get_preferred_width_for_height()</code>. For details on
|
||||
these functions, see <a class="xref" href="GtkWidget.html#geometry-management" title="Height-for-width Geometry Management">the section called “Height-for-width Geometry Management”</a>.
|
||||
</p></li>
|
||||
</ul></div>
|
||||
@ -422,11 +422,11 @@
|
||||
<td><a href="/usr/share/gtk-doc/html/cairo/cairo-Types.html#cairo-rectangle-int-t"><span class="type">cairo_rectangle_int_t</span></a></td>
|
||||
</tr>
|
||||
<tr>
|
||||
<td><code class="function">gdk_rectangle_intersect()</code></td>
|
||||
<td><a href="https://developer.gnome.org/gdk4/gdk4-Points-Rectangles-and-Regions.html#gdk-rectangle-intersect"><code class="function">gdk_rectangle_intersect()</code></a></td>
|
||||
<td>this function is still there</td>
|
||||
</tr>
|
||||
<tr>
|
||||
<td><code class="function">gdk_rectangle_union()</code></td>
|
||||
<td><a href="https://developer.gnome.org/gdk4/gdk4-Points-Rectangles-and-Regions.html#gdk-rectangle-union"><code class="function">gdk_rectangle_union()</code></a></td>
|
||||
<td>this function is still there</td>
|
||||
</tr>
|
||||
<tr>
|
||||
@ -544,21 +544,21 @@
|
||||
13
|
||||
14
|
||||
15</pre></td>
|
||||
<td class="listing_code"><pre class="programlisting"><span class="usertype">GdkCursor</span><span class="normal"> </span><span class="symbol">*</span><span class="normal">cursor</span><span class="symbol">;</span>
|
||||
<span class="usertype">GdkPixmap</span><span class="normal"> </span><span class="symbol">*</span><span class="normal">pixmap</span><span class="symbol">;</span>
|
||||
<span class="usertype">cairo_t</span><span class="normal"> </span><span class="symbol">*</span><span class="normal">cr</span><span class="symbol">;</span>
|
||||
<span class="usertype">GdkColor</span><span class="normal"> fg </span><span class="symbol">=</span><span class="normal"> </span><span class="cbracket">{</span><span class="normal"> </span><span class="number">0</span><span class="symbol">,</span><span class="normal"> </span><span class="number">0</span><span class="symbol">,</span><span class="normal"> </span><span class="number">0</span><span class="symbol">,</span><span class="normal"> </span><span class="number">0</span><span class="normal"> </span><span class="cbracket">}</span><span class="symbol">;</span>
|
||||
<td class="listing_code"><pre class="programlisting"><span class="n">GdkCursor</span> <span class="o">*</span><span class="n">cursor</span><span class="p">;</span>
|
||||
<span class="n">GdkPixmap</span> <span class="o">*</span><span class="n">pixmap</span><span class="p">;</span>
|
||||
<span class="n">cairo_t</span> <span class="o">*</span><span class="n">cr</span><span class="p">;</span>
|
||||
<span class="n">GdkColor</span> <span class="n">fg</span> <span class="o">=</span> <span class="p">{</span> <span class="mi">0</span><span class="p">,</span> <span class="mi">0</span><span class="p">,</span> <span class="mi">0</span><span class="p">,</span> <span class="mi">0</span> <span class="p">};</span>
|
||||
|
||||
<span class="normal">pixmap </span><span class="symbol">=</span><span class="normal"> </span><span class="function">gdk_pixmap_new</span><span class="normal"> </span><span class="symbol">(</span><span class="normal">NULL</span><span class="symbol">,</span><span class="normal"> </span><span class="number">1</span><span class="symbol">,</span><span class="normal"> </span><span class="number">1</span><span class="symbol">,</span><span class="normal"> </span><span class="number">1</span><span class="symbol">);</span>
|
||||
<span class="n">pixmap</span> <span class="o">=</span> <span class="n">gdk_pixmap_new</span> <span class="p">(</span><span class="nb">NULL</span><span class="p">,</span> <span class="mi">1</span><span class="p">,</span> <span class="mi">1</span><span class="p">,</span> <span class="mi">1</span><span class="p">);</span>
|
||||
|
||||
<span class="normal">cr </span><span class="symbol">=</span><span class="normal"> </span><span class="function">gdk_cairo_create</span><span class="normal"> </span><span class="symbol">(</span><span class="normal">pixmap</span><span class="symbol">);</span>
|
||||
<span class="function"><a href="/usr/share/gtk-doc/html/cairo/cairo-Paths.html#cairo-rectangle">cairo_rectangle</a></span><span class="normal"> </span><span class="symbol">(</span><span class="normal">cr</span><span class="symbol">,</span><span class="normal"> </span><span class="number">0</span><span class="symbol">,</span><span class="normal"> </span><span class="number">0</span><span class="symbol">,</span><span class="normal"> </span><span class="number">1</span><span class="symbol">,</span><span class="normal"> </span><span class="number">1</span><span class="symbol">);</span>
|
||||
<span class="function"><a href="/usr/share/gtk-doc/html/cairo/cairo-cairo-t.html#cairo-fill">cairo_fill</a></span><span class="normal"> </span><span class="symbol">(</span><span class="normal">cr</span><span class="symbol">);</span>
|
||||
<span class="function"><a href="/usr/share/gtk-doc/html/cairo/cairo-cairo-t.html#cairo-destroy">cairo_destroy</a></span><span class="normal"> </span><span class="symbol">(</span><span class="normal">cr</span><span class="symbol">);</span>
|
||||
<span class="n">cr</span> <span class="o">=</span> <span class="n">gdk_cairo_create</span> <span class="p">(</span><span class="n">pixmap</span><span class="p">);</span>
|
||||
<span class="n">cairo_rectangle</span> <span class="p">(</span><span class="n">cr</span><span class="p">,</span> <span class="mi">0</span><span class="p">,</span> <span class="mi">0</span><span class="p">,</span> <span class="mi">1</span><span class="p">,</span> <span class="mi">1</span><span class="p">);</span>
|
||||
<span class="n">cairo_fill</span> <span class="p">(</span><span class="n">cr</span><span class="p">);</span>
|
||||
<span class="n">cairo_destroy</span> <span class="p">(</span><span class="n">cr</span><span class="p">);</span>
|
||||
|
||||
<span class="normal">cursor </span><span class="symbol">=</span><span class="normal"> </span><span class="function">gdk_cursor_new_from_pixmap</span><span class="normal"> </span><span class="symbol">(</span><span class="normal">pixmap</span><span class="symbol">,</span><span class="normal"> pixmap</span><span class="symbol">,</span><span class="normal"> </span><span class="symbol">&</span><span class="normal">fg</span><span class="symbol">,</span><span class="normal"> </span><span class="symbol">&</span><span class="normal">fg</span><span class="symbol">,</span><span class="normal"> </span><span class="number">0</span><span class="symbol">,</span><span class="normal"> </span><span class="number">0</span><span class="symbol">);</span>
|
||||
<span class="n">cursor</span> <span class="o">=</span> <span class="n">gdk_cursor_new_from_pixmap</span> <span class="p">(</span><span class="n">pixmap</span><span class="p">,</span> <span class="n">pixmap</span><span class="p">,</span> <span class="o">&</span><span class="n">fg</span><span class="p">,</span> <span class="o">&</span><span class="n">fg</span><span class="p">,</span> <span class="mi">0</span><span class="p">,</span> <span class="mi">0</span><span class="p">);</span>
|
||||
|
||||
<span class="function">g_object_unref</span><span class="normal"> </span><span class="symbol">(</span><span class="normal">pixmap</span><span class="symbol">);</span></pre></td>
|
||||
<span class="n">g_object_unref</span> <span class="p">(</span><span class="n">pixmap</span><span class="p">);</span></pre></td>
|
||||
</tr>
|
||||
</tbody>
|
||||
</table>
|
||||
@ -592,26 +592,26 @@
|
||||
18
|
||||
19
|
||||
20</pre></td>
|
||||
<td class="listing_code"><pre class="programlisting"><span class="usertype">GdkCursor</span><span class="normal"> </span><span class="symbol">*</span><span class="normal">cursor</span><span class="symbol">;</span>
|
||||
<span class="usertype">cairo_surface_t</span><span class="normal"> </span><span class="symbol">*</span><span class="normal">s</span><span class="symbol">;</span>
|
||||
<span class="usertype">cairo_t</span><span class="normal"> </span><span class="symbol">*</span><span class="normal">cr</span><span class="symbol">;</span>
|
||||
<span class="usertype">GdkPixbuf</span><span class="normal"> </span><span class="symbol">*</span><span class="normal">pixbuf</span><span class="symbol">;</span>
|
||||
<td class="listing_code"><pre class="programlisting"><span class="n">GdkCursor</span> <span class="o">*</span><span class="n">cursor</span><span class="p">;</span>
|
||||
<span class="n">cairo_surface_t</span> <span class="o">*</span><span class="n">s</span><span class="p">;</span>
|
||||
<span class="n">cairo_t</span> <span class="o">*</span><span class="n">cr</span><span class="p">;</span>
|
||||
<span class="n">GdkPixbuf</span> <span class="o">*</span><span class="n">pixbuf</span><span class="p">;</span>
|
||||
|
||||
<span class="normal">s </span><span class="symbol">=</span><span class="normal"> </span><span class="function"><a href="/usr/share/gtk-doc/html/cairo/cairo-Image-Surfaces.html#cairo-image-surface-create">cairo_image_surface_create</a></span><span class="normal"> </span><span class="symbol">(</span><span class="normal"><a href="/usr/share/gtk-doc/html/cairo/cairo-Image-Surfaces.html#CAIRO-FORMAT-A1:CAPS">CAIRO_FORMAT_A1</a></span><span class="symbol">,</span><span class="normal"> </span><span class="number">3</span><span class="symbol">,</span><span class="normal"> </span><span class="number">3</span><span class="symbol">);</span>
|
||||
<span class="normal">cr </span><span class="symbol">=</span><span class="normal"> </span><span class="function"><a href="/usr/share/gtk-doc/html/cairo/cairo-cairo-t.html#cairo-create">cairo_create</a></span><span class="normal"> </span><span class="symbol">(</span><span class="normal">s</span><span class="symbol">);</span>
|
||||
<span class="function"><a href="/usr/share/gtk-doc/html/cairo/cairo-Paths.html#cairo-arc">cairo_arc</a></span><span class="normal"> </span><span class="symbol">(</span><span class="normal">cr</span><span class="symbol">,</span><span class="normal"> </span><span class="number">1.5</span><span class="symbol">,</span><span class="normal"> </span><span class="number">1.5</span><span class="symbol">,</span><span class="normal"> </span><span class="number">1.5</span><span class="symbol">,</span><span class="normal"> </span><span class="number">0</span><span class="symbol">,</span><span class="normal"> </span><span class="number">2</span><span class="normal"> </span><span class="symbol">*</span><span class="normal"> M_PI</span><span class="symbol">);</span>
|
||||
<span class="function"><a href="/usr/share/gtk-doc/html/cairo/cairo-cairo-t.html#cairo-fill">cairo_fill</a></span><span class="normal"> </span><span class="symbol">(</span><span class="normal">cr</span><span class="symbol">);</span>
|
||||
<span class="function"><a href="/usr/share/gtk-doc/html/cairo/cairo-cairo-t.html#cairo-destroy">cairo_destroy</a></span><span class="normal"> </span><span class="symbol">(</span><span class="normal">cr</span><span class="symbol">);</span>
|
||||
<span class="n">s</span> <span class="o">=</span> <span class="n">cairo_image_surface_create</span> <span class="p">(</span><span class="n">CAIRO_FORMAT_A1</span><span class="p">,</span> <span class="mi">3</span><span class="p">,</span> <span class="mi">3</span><span class="p">);</span>
|
||||
<span class="n">cr</span> <span class="o">=</span> <span class="n">cairo_create</span> <span class="p">(</span><span class="n">s</span><span class="p">);</span>
|
||||
<span class="n">cairo_arc</span> <span class="p">(</span><span class="n">cr</span><span class="p">,</span> <span class="mf">1.5</span><span class="p">,</span> <span class="mf">1.5</span><span class="p">,</span> <span class="mf">1.5</span><span class="p">,</span> <span class="mi">0</span><span class="p">,</span> <span class="mi">2</span> <span class="o">*</span> <span class="n">M_PI</span><span class="p">);</span>
|
||||
<span class="n">cairo_fill</span> <span class="p">(</span><span class="n">cr</span><span class="p">);</span>
|
||||
<span class="n">cairo_destroy</span> <span class="p">(</span><span class="n">cr</span><span class="p">);</span>
|
||||
|
||||
<span class="normal">pixbuf </span><span class="symbol">=</span><span class="normal"> </span><span class="function">gdk_pixbuf_get_from_surface</span><span class="normal"> </span><span class="symbol">(</span><span class="normal">s</span><span class="symbol">,</span>
|
||||
<span class="normal"> </span><span class="number">0</span><span class="symbol">,</span><span class="normal"> </span><span class="number">0</span><span class="symbol">,</span>
|
||||
<span class="normal"> </span><span class="number">3</span><span class="symbol">,</span><span class="normal"> </span><span class="number">3</span><span class="symbol">);</span>
|
||||
<span class="n">pixbuf</span> <span class="o">=</span> <span class="n">gdk_pixbuf_get_from_surface</span> <span class="p">(</span><span class="n">s</span><span class="p">,</span>
|
||||
<span class="mi">0</span><span class="p">,</span> <span class="mi">0</span><span class="p">,</span>
|
||||
<span class="mi">3</span><span class="p">,</span> <span class="mi">3</span><span class="p">);</span>
|
||||
|
||||
<span class="function"><a href="/usr/share/gtk-doc/html/cairo/cairo-cairo-surface-t.html#cairo-surface-destroy">cairo_surface_destroy</a></span><span class="normal"> </span><span class="symbol">(</span><span class="normal">s</span><span class="symbol">);</span>
|
||||
<span class="n">cairo_surface_destroy</span> <span class="p">(</span><span class="n">s</span><span class="p">);</span>
|
||||
|
||||
<span class="normal">cursor </span><span class="symbol">=</span><span class="normal"> </span><span class="function">gdk_cursor_new_from_pixbuf</span><span class="normal"> </span><span class="symbol">(</span><span class="normal">display</span><span class="symbol">,</span><span class="normal"> pixbuf</span><span class="symbol">,</span><span class="normal"> </span><span class="number">0</span><span class="symbol">,</span><span class="normal"> </span><span class="number">0</span><span class="symbol">);</span>
|
||||
<span class="n">cursor</span> <span class="o">=</span> <span class="n">gdk_cursor_new_from_pixbuf</span> <span class="p">(</span><span class="n">display</span><span class="p">,</span> <span class="n">pixbuf</span><span class="p">,</span> <span class="mi">0</span><span class="p">,</span> <span class="mi">0</span><span class="p">);</span>
|
||||
|
||||
<span class="function">g_object_unref</span><span class="normal"> </span><span class="symbol">(</span><span class="normal">pixbuf</span><span class="symbol">);</span></pre></td>
|
||||
<span class="n">g_object_unref</span> <span class="p">(</span><span class="n">pixbuf</span><span class="p">);</span></pre></td>
|
||||
</tr>
|
||||
</tbody>
|
||||
</table>
|
||||
@ -657,19 +657,19 @@
|
||||
11
|
||||
12
|
||||
13</pre></td>
|
||||
<td class="listing_code"><pre class="programlisting"><span class="keyword">static</span><span class="normal"> </span><span class="type">void</span>
|
||||
<span class="function">on_alpha_screen_changed</span><span class="normal"> </span><span class="symbol">(</span><span class="usertype">GtkWidget</span><span class="normal"> </span><span class="symbol">*</span><span class="normal">widget</span><span class="symbol">,</span>
|
||||
<span class="normal"> </span><span class="usertype">GdkScreen</span><span class="normal"> </span><span class="symbol">*</span><span class="normal">old_screen</span><span class="symbol">,</span>
|
||||
<span class="normal"> </span><span class="usertype">GtkWidget</span><span class="normal"> </span><span class="symbol">*</span><span class="normal">label</span><span class="symbol">)</span>
|
||||
<span class="cbracket">{</span>
|
||||
<span class="normal"> </span><span class="usertype">GdkScreen</span><span class="normal"> </span><span class="symbol">*</span><span class="normal">screen </span><span class="symbol">=</span><span class="normal"> </span><span class="function"><a href="GtkWidget.html#gtk-widget-get-screen">gtk_widget_get_screen</a></span><span class="normal"> </span><span class="symbol">(</span><span class="normal">widget</span><span class="symbol">);</span>
|
||||
<span class="normal"> </span><span class="usertype">GdkColormap</span><span class="normal"> </span><span class="symbol">*</span><span class="normal">colormap </span><span class="symbol">=</span><span class="normal"> </span><span class="function">gdk_screen_get_rgba_colormap</span><span class="normal"> </span><span class="symbol">(</span><span class="normal">screen</span><span class="symbol">);</span>
|
||||
<td class="listing_code"><pre class="programlisting"><span class="k">static</span> <span class="kt">void</span>
|
||||
<span class="nf">on_alpha_screen_changed</span> <span class="p">(</span><span class="n">GtkWidget</span> <span class="o">*</span><span class="n">widget</span><span class="p">,</span>
|
||||
<span class="n">GdkScreen</span> <span class="o">*</span><span class="n">old_screen</span><span class="p">,</span>
|
||||
<span class="n">GtkWidget</span> <span class="o">*</span><span class="n">label</span><span class="p">)</span>
|
||||
<span class="p">{</span>
|
||||
<span class="n">GdkScreen</span> <span class="o">*</span><span class="n">screen</span> <span class="o">=</span> <span class="n">gtk_widget_get_screen</span> <span class="p">(</span><span class="n">widget</span><span class="p">);</span>
|
||||
<span class="n">GdkColormap</span> <span class="o">*</span><span class="n">colormap</span> <span class="o">=</span> <span class="n">gdk_screen_get_rgba_colormap</span> <span class="p">(</span><span class="n">screen</span><span class="p">);</span>
|
||||
|
||||
<span class="normal"> </span><span class="keyword">if</span><span class="normal"> </span><span class="symbol">(</span><span class="normal">colormap </span><span class="symbol">==</span><span class="normal"> NULL</span><span class="symbol">)</span>
|
||||
<span class="normal"> colormap </span><span class="symbol">=</span><span class="normal"> </span><span class="function">gdk_screen_get_default_colormap</span><span class="normal"> </span><span class="symbol">(</span><span class="normal">screen</span><span class="symbol">);</span>
|
||||
<span class="k">if</span> <span class="p">(</span><span class="n">colormap</span> <span class="o">==</span> <span class="nb">NULL</span><span class="p">)</span>
|
||||
<span class="n">colormap</span> <span class="o">=</span> <span class="n">gdk_screen_get_default_colormap</span> <span class="p">(</span><span class="n">screen</span><span class="p">);</span>
|
||||
|
||||
<span class="normal"> </span><span class="function">gtk_widget_set_colormap</span><span class="normal"> </span><span class="symbol">(</span><span class="normal">widget</span><span class="symbol">,</span><span class="normal"> colormap</span><span class="symbol">);</span>
|
||||
<span class="cbracket">}</span></pre></td>
|
||||
<span class="n">gtk_widget_set_colormap</span> <span class="p">(</span><span class="n">widget</span><span class="p">,</span> <span class="n">colormap</span><span class="p">);</span>
|
||||
<span class="p">}</span></pre></td>
|
||||
</tr>
|
||||
</tbody>
|
||||
</table>
|
||||
@ -695,19 +695,19 @@
|
||||
11
|
||||
12
|
||||
13</pre></td>
|
||||
<td class="listing_code"><pre class="programlisting"><span class="keyword">static</span><span class="normal"> </span><span class="type">void</span>
|
||||
<span class="function">on_alpha_screen_changed</span><span class="normal"> </span><span class="symbol">(</span><span class="usertype">GtkWindow</span><span class="normal"> </span><span class="symbol">*</span><span class="normal">window</span><span class="symbol">,</span>
|
||||
<span class="normal"> </span><span class="usertype">GdkScreen</span><span class="normal"> </span><span class="symbol">*</span><span class="normal">old_screen</span><span class="symbol">,</span>
|
||||
<span class="normal"> </span><span class="usertype">GtkWidget</span><span class="normal"> </span><span class="symbol">*</span><span class="normal">label</span><span class="symbol">)</span>
|
||||
<span class="cbracket">{</span>
|
||||
<span class="normal"> </span><span class="usertype">GdkScreen</span><span class="normal"> </span><span class="symbol">*</span><span class="normal">screen </span><span class="symbol">=</span><span class="normal"> </span><span class="function"><a href="GtkWidget.html#gtk-widget-get-screen">gtk_widget_get_screen</a></span><span class="normal"> </span><span class="symbol">(</span><span class="function">GTK_WIDGET</span><span class="normal"> </span><span class="symbol">(</span><span class="normal">window</span><span class="symbol">));</span>
|
||||
<span class="normal"> </span><span class="usertype">GdkVisual</span><span class="normal"> </span><span class="symbol">*</span><span class="normal">visual </span><span class="symbol">=</span><span class="normal"> </span><span class="function">gdk_screen_get_rgba_visual</span><span class="normal"> </span><span class="symbol">(</span><span class="normal">screen</span><span class="symbol">);</span>
|
||||
<td class="listing_code"><pre class="programlisting"><span class="k">static</span> <span class="kt">void</span>
|
||||
<span class="nf">on_alpha_screen_changed</span> <span class="p">(</span><span class="n">GtkWindow</span> <span class="o">*</span><span class="n">window</span><span class="p">,</span>
|
||||
<span class="n">GdkScreen</span> <span class="o">*</span><span class="n">old_screen</span><span class="p">,</span>
|
||||
<span class="n">GtkWidget</span> <span class="o">*</span><span class="n">label</span><span class="p">)</span>
|
||||
<span class="p">{</span>
|
||||
<span class="n">GdkScreen</span> <span class="o">*</span><span class="n">screen</span> <span class="o">=</span> <span class="n">gtk_widget_get_screen</span> <span class="p">(</span><span class="n">GTK_WIDGET</span> <span class="p">(</span><span class="n">window</span><span class="p">));</span>
|
||||
<span class="n">GdkVisual</span> <span class="o">*</span><span class="n">visual</span> <span class="o">=</span> <span class="n">gdk_screen_get_rgba_visual</span> <span class="p">(</span><span class="n">screen</span><span class="p">);</span>
|
||||
|
||||
<span class="normal"> </span><span class="keyword">if</span><span class="normal"> </span><span class="symbol">(</span><span class="normal">visual </span><span class="symbol">==</span><span class="normal"> NULL</span><span class="symbol">)</span>
|
||||
<span class="normal"> visual </span><span class="symbol">=</span><span class="normal"> </span><span class="function">gdk_screen_get_system_visual</span><span class="normal"> </span><span class="symbol">(</span><span class="normal">screen</span><span class="symbol">);</span>
|
||||
<span class="k">if</span> <span class="p">(</span><span class="n">visual</span> <span class="o">==</span> <span class="nb">NULL</span><span class="p">)</span>
|
||||
<span class="n">visual</span> <span class="o">=</span> <span class="n">gdk_screen_get_system_visual</span> <span class="p">(</span><span class="n">screen</span><span class="p">);</span>
|
||||
|
||||
<span class="normal"> </span><span class="function"><a href="GtkWidget.html#gtk-widget-set-visual">gtk_widget_set_visual</a></span><span class="normal"> </span><span class="symbol">(</span><span class="normal">window</span><span class="symbol">,</span><span class="normal"> visual</span><span class="symbol">);</span>
|
||||
<span class="cbracket">}</span></pre></td>
|
||||
<span class="n">gtk_widget_set_visual</span> <span class="p">(</span><span class="n">window</span><span class="p">,</span> <span class="n">visual</span><span class="p">);</span>
|
||||
<span class="p">}</span></pre></td>
|
||||
</tr>
|
||||
</tbody>
|
||||
</table>
|
||||
@ -799,18 +799,18 @@
|
||||
10
|
||||
11
|
||||
12</pre></td>
|
||||
<td class="listing_code"><pre class="programlisting"><span class="keyword">static</span><span class="normal"> GdkFilterReturn</span>
|
||||
<span class="function">message_filter</span><span class="normal"> </span><span class="symbol">(</span><span class="usertype">GdkXEvent</span><span class="normal"> </span><span class="symbol">*</span><span class="normal">xevent</span><span class="symbol">,</span><span class="normal"> </span><span class="usertype">GdkEvent</span><span class="normal"> </span><span class="symbol">*</span><span class="normal">event</span><span class="symbol">,</span><span class="normal"> </span><span class="usertype">gpointer</span><span class="normal"> data</span><span class="symbol">)</span>
|
||||
<span class="cbracket">{</span>
|
||||
<span class="normal"> </span><span class="usertype">XClientMessageEvent</span><span class="normal"> </span><span class="symbol">*</span><span class="normal">evt </span><span class="symbol">=</span><span class="normal"> </span><span class="symbol">(</span><span class="normal">XClientMessageEvent </span><span class="symbol">*)</span><span class="normal">xevent</span><span class="symbol">;</span>
|
||||
<td class="listing_code"><pre class="programlisting"><span class="k">static</span> <span class="n">GdkFilterReturn</span>
|
||||
<span class="nf">message_filter</span> <span class="p">(</span><span class="n">GdkXEvent</span> <span class="o">*</span><span class="n">xevent</span><span class="p">,</span> <span class="n">GdkEvent</span> <span class="o">*</span><span class="n">event</span><span class="p">,</span> <span class="n">gpointer</span> <span class="n">data</span><span class="p">)</span>
|
||||
<span class="p">{</span>
|
||||
<span class="n">XClientMessageEvent</span> <span class="o">*</span><span class="n">evt</span> <span class="o">=</span> <span class="p">(</span><span class="n">XClientMessageEvent</span> <span class="o">*</span><span class="p">)</span><span class="n">xevent</span><span class="p">;</span>
|
||||
|
||||
<span class="normal"> </span><span class="comment">/* do something with evt ... */</span>
|
||||
<span class="cbracket">}</span>
|
||||
<span class="cm">/* do something with evt ... */</span>
|
||||
<span class="p">}</span>
|
||||
|
||||
<span class="normal"> </span><span class="symbol">...</span>
|
||||
<span class="p">...</span>
|
||||
|
||||
<span class="normal">message_type </span><span class="symbol">=</span><span class="normal"> </span><span class="function">gdk_atom_intern</span><span class="normal"> </span><span class="symbol">(</span><span class="string">"MANAGER"</span><span class="symbol">,</span><span class="normal"> FALSE</span><span class="symbol">);</span>
|
||||
<span class="function">gdk_display_add_client_message_filter</span><span class="normal"> </span><span class="symbol">(</span><span class="normal">display</span><span class="symbol">,</span><span class="normal"> message_type</span><span class="symbol">,</span><span class="normal"> message_filter</span><span class="symbol">,</span><span class="normal"> NULL</span><span class="symbol">);</span></pre></td>
|
||||
<span class="n">message_type</span> <span class="o">=</span> <span class="n">gdk_atom_intern</span> <span class="p">(</span><span class="s">"MANAGER"</span><span class="p">,</span> <span class="n">FALSE</span><span class="p">);</span>
|
||||
<span class="n">gdk_display_add_client_message_filter</span> <span class="p">(</span><span class="n">display</span><span class="p">,</span> <span class="n">message_type</span><span class="p">,</span> <span class="n">message_filter</span><span class="p">,</span> <span class="nb">NULL</span><span class="p">);</span></pre></td>
|
||||
</tr>
|
||||
</tbody>
|
||||
</table>
|
||||
@ -844,27 +844,27 @@
|
||||
19
|
||||
20
|
||||
21</pre></td>
|
||||
<td class="listing_code"><pre class="programlisting"><span class="keyword">static</span><span class="normal"> GdkFilterReturn</span>
|
||||
<span class="function">event_filter</span><span class="normal"> </span><span class="symbol">(</span><span class="usertype">GdkXEvent</span><span class="normal"> </span><span class="symbol">*</span><span class="normal">xevent</span><span class="symbol">,</span><span class="normal"> </span><span class="usertype">GdkEvent</span><span class="normal"> </span><span class="symbol">*</span><span class="normal">event</span><span class="symbol">,</span><span class="normal"> </span><span class="usertype">gpointer</span><span class="normal"> data</span><span class="symbol">)</span>
|
||||
<span class="cbracket">{</span>
|
||||
<span class="normal"> </span><span class="usertype">XClientMessageEvent</span><span class="normal"> </span><span class="symbol">*</span><span class="normal">evt</span><span class="symbol">;</span>
|
||||
<span class="normal"> </span><span class="usertype">GdkAtom</span><span class="normal"> message_type</span><span class="symbol">;</span>
|
||||
<td class="listing_code"><pre class="programlisting"><span class="k">static</span> <span class="n">GdkFilterReturn</span>
|
||||
<span class="nf">event_filter</span> <span class="p">(</span><span class="n">GdkXEvent</span> <span class="o">*</span><span class="n">xevent</span><span class="p">,</span> <span class="n">GdkEvent</span> <span class="o">*</span><span class="n">event</span><span class="p">,</span> <span class="n">gpointer</span> <span class="n">data</span><span class="p">)</span>
|
||||
<span class="p">{</span>
|
||||
<span class="n">XClientMessageEvent</span> <span class="o">*</span><span class="n">evt</span><span class="p">;</span>
|
||||
<span class="n">GdkAtom</span> <span class="n">message_type</span><span class="p">;</span>
|
||||
|
||||
<span class="normal"> </span><span class="keyword">if</span><span class="normal"> </span><span class="symbol">(((</span><span class="normal">XEvent </span><span class="symbol">*)</span><span class="normal">xevent</span><span class="symbol">)-></span><span class="normal">type </span><span class="symbol">!=</span><span class="normal"> ClientMessage</span><span class="symbol">)</span>
|
||||
<span class="normal"> </span><span class="keyword">return</span><span class="normal"> GDK_FILTER_CONTINUE</span><span class="symbol">;</span>
|
||||
<span class="k">if</span> <span class="p">(((</span><span class="n">XEvent</span> <span class="o">*</span><span class="p">)</span><span class="n">xevent</span><span class="p">)</span><span class="o">-></span><span class="n">type</span> <span class="o">!=</span> <span class="n">ClientMessage</span><span class="p">)</span>
|
||||
<span class="k">return</span> <span class="n">GDK_FILTER_CONTINUE</span><span class="p">;</span>
|
||||
|
||||
<span class="normal"> evt </span><span class="symbol">=</span><span class="normal"> </span><span class="symbol">(</span><span class="normal">XClientMessageEvent </span><span class="symbol">*)</span><span class="normal">xevent</span><span class="symbol">;</span>
|
||||
<span class="normal"> message_type </span><span class="symbol">=</span><span class="normal"> </span><span class="function">XInternAtom</span><span class="normal"> </span><span class="symbol">(</span><span class="normal">evt</span><span class="symbol">-></span><span class="normal">display</span><span class="symbol">,</span><span class="normal"> </span><span class="string">"MANAGER"</span><span class="symbol">,</span><span class="normal"> FALSE</span><span class="symbol">);</span>
|
||||
<span class="n">evt</span> <span class="o">=</span> <span class="p">(</span><span class="n">XClientMessageEvent</span> <span class="o">*</span><span class="p">)</span><span class="n">xevent</span><span class="p">;</span>
|
||||
<span class="n">message_type</span> <span class="o">=</span> <span class="n">XInternAtom</span> <span class="p">(</span><span class="n">evt</span><span class="o">-></span><span class="n">display</span><span class="p">,</span> <span class="s">"MANAGER"</span><span class="p">,</span> <span class="n">FALSE</span><span class="p">);</span>
|
||||
|
||||
<span class="normal"> </span><span class="keyword">if</span><span class="normal"> </span><span class="symbol">(</span><span class="normal">evt</span><span class="symbol">-></span><span class="normal">message_type </span><span class="symbol">!=</span><span class="normal"> message_type</span><span class="symbol">)</span>
|
||||
<span class="normal"> </span><span class="keyword">return</span><span class="normal"> GDK_FILTER_CONTINUE</span><span class="symbol">;</span>
|
||||
<span class="k">if</span> <span class="p">(</span><span class="n">evt</span><span class="o">-></span><span class="n">message_type</span> <span class="o">!=</span> <span class="n">message_type</span><span class="p">)</span>
|
||||
<span class="k">return</span> <span class="n">GDK_FILTER_CONTINUE</span><span class="p">;</span>
|
||||
|
||||
<span class="normal"> </span><span class="comment">/* do something with evt ... */</span>
|
||||
<span class="cbracket">}</span>
|
||||
<span class="cm">/* do something with evt ... */</span>
|
||||
<span class="p">}</span>
|
||||
|
||||
<span class="normal"> </span><span class="symbol">...</span>
|
||||
<span class="p">...</span>
|
||||
|
||||
<span class="function">gdk_window_add_filter</span><span class="normal"> </span><span class="symbol">(</span><span class="normal">NULL</span><span class="symbol">,</span><span class="normal"> message_filter</span><span class="symbol">,</span><span class="normal"> NULL</span><span class="symbol">);</span></pre></td>
|
||||
<span class="n">gdk_window_add_filter</span> <span class="p">(</span><span class="nb">NULL</span><span class="p">,</span> <span class="n">message_filter</span><span class="p">,</span> <span class="nb">NULL</span><span class="p">);</span></pre></td>
|
||||
</tr>
|
||||
</tbody>
|
||||
</table>
|
||||
@ -905,13 +905,13 @@
|
||||
5
|
||||
6
|
||||
7</pre></td>
|
||||
<td class="listing_code"><pre class="programlisting"><span class="preproc">#ifdef</span><span class="normal"> GDK_WINDOWING_X11</span>
|
||||
<span class="normal"> </span><span class="keyword">if</span><span class="normal"> </span><span class="symbol">(</span><span class="normal">timestamp </span><span class="symbol">!=</span><span class="normal"> GDK_CURRENT_TIME</span><span class="symbol">)</span>
|
||||
<span class="normal"> </span><span class="function">gdk_x11_window_set_user_time</span><span class="normal"> </span><span class="symbol">(</span><span class="normal">gdk_window</span><span class="symbol">,</span><span class="normal"> timestamp</span><span class="symbol">);</span>
|
||||
<span class="preproc">#endif</span>
|
||||
<span class="preproc">#ifdef</span><span class="normal"> GDK_WINDOWING_WIN32</span>
|
||||
<span class="normal"> </span><span class="comment">/* ... win32 specific code ... */</span>
|
||||
<span class="preproc">#endif</span></pre></td>
|
||||
<td class="listing_code"><pre class="programlisting"><span class="cp">#ifdef GDK_WINDOWING_X11</span>
|
||||
<span class="k">if</span> <span class="p">(</span><span class="n">timestamp</span> <span class="o">!=</span> <span class="n">GDK_CURRENT_TIME</span><span class="p">)</span>
|
||||
<span class="n">gdk_x11_window_set_user_time</span> <span class="p">(</span><span class="n">gdk_window</span><span class="p">,</span> <span class="n">timestamp</span><span class="p">);</span>
|
||||
<span class="cp">#endif</span>
|
||||
<span class="cp">#ifdef GDK_WINDOWING_WIN32</span>
|
||||
<span class="cm">/* ... win32 specific code ... */</span>
|
||||
<span class="cp">#endif</span></pre></td>
|
||||
</tr>
|
||||
</tbody>
|
||||
</table>
|
||||
@ -946,24 +946,24 @@
|
||||
16
|
||||
17
|
||||
18</pre></td>
|
||||
<td class="listing_code"><pre class="programlisting"><span class="preproc">#ifdef</span><span class="normal"> GDK_WINDOWING_X11</span>
|
||||
<span class="normal"> </span><span class="keyword">if</span><span class="normal"> </span><span class="symbol">(</span><span class="function">GDK_IS_X11_DISPLAY</span><span class="normal"> </span><span class="symbol">(</span><span class="normal">display</span><span class="symbol">))</span>
|
||||
<span class="normal"> </span><span class="cbracket">{</span>
|
||||
<span class="normal"> </span><span class="keyword">if</span><span class="normal"> </span><span class="symbol">(</span><span class="normal">timestamp </span><span class="symbol">!=</span><span class="normal"> GDK_CURRENT_TIME</span><span class="symbol">)</span>
|
||||
<span class="normal"> </span><span class="function">gdk_x11_window_set_user_time</span><span class="normal"> </span><span class="symbol">(</span><span class="normal">gdk_window</span><span class="symbol">,</span><span class="normal"> timestamp</span><span class="symbol">);</span>
|
||||
<span class="normal"> </span><span class="cbracket">}</span>
|
||||
<span class="normal"> </span><span class="keyword">else</span>
|
||||
<span class="preproc">#endif</span>
|
||||
<span class="preproc">#ifdef</span><span class="normal"> GDK_WINDOWING_WIN32</span>
|
||||
<span class="normal"> </span><span class="keyword">if</span><span class="normal"> </span><span class="symbol">(</span><span class="function">GDK_IS_WIN32_DISPLAY</span><span class="normal"> </span><span class="symbol">(</span><span class="normal">display</span><span class="symbol">))</span>
|
||||
<span class="normal"> </span><span class="cbracket">{</span>
|
||||
<span class="normal"> </span><span class="comment">/* ... win32 specific code ... */</span>
|
||||
<span class="normal"> </span><span class="cbracket">}</span>
|
||||
<span class="normal"> </span><span class="keyword">else</span>
|
||||
<span class="preproc">#endif</span>
|
||||
<span class="normal"> </span><span class="cbracket">{</span>
|
||||
<span class="normal"> </span><span class="function">g_warning</span><span class="normal"> </span><span class="symbol">(</span><span class="string">"Unsupported GDK backend"</span><span class="symbol">);</span>
|
||||
<span class="normal"> </span><span class="cbracket">}</span></pre></td>
|
||||
<td class="listing_code"><pre class="programlisting"><span class="cp">#ifdef GDK_WINDOWING_X11</span>
|
||||
<span class="k">if</span> <span class="p">(</span><span class="n">GDK_IS_X11_DISPLAY</span> <span class="p">(</span><span class="n">display</span><span class="p">))</span>
|
||||
<span class="p">{</span>
|
||||
<span class="k">if</span> <span class="p">(</span><span class="n">timestamp</span> <span class="o">!=</span> <span class="n">GDK_CURRENT_TIME</span><span class="p">)</span>
|
||||
<span class="n">gdk_x11_window_set_user_time</span> <span class="p">(</span><span class="n">gdk_window</span><span class="p">,</span> <span class="n">timestamp</span><span class="p">);</span>
|
||||
<span class="p">}</span>
|
||||
<span class="k">else</span>
|
||||
<span class="cp">#endif</span>
|
||||
<span class="cp">#ifdef GDK_WINDOWING_WIN32</span>
|
||||
<span class="k">if</span> <span class="p">(</span><span class="n">GDK_IS_WIN32_DISPLAY</span> <span class="p">(</span><span class="n">display</span><span class="p">))</span>
|
||||
<span class="p">{</span>
|
||||
<span class="cm">/* ... win32 specific code ... */</span>
|
||||
<span class="p">}</span>
|
||||
<span class="k">else</span>
|
||||
<span class="cp">#endif</span>
|
||||
<span class="p">{</span>
|
||||
<span class="n">g_warning</span> <span class="p">(</span><span class="s">"Unsupported GDK backend"</span><span class="p">);</span>
|
||||
<span class="p">}</span></pre></td>
|
||||
</tr>
|
||||
</tbody>
|
||||
</table>
|
||||
@ -981,7 +981,7 @@
|
||||
<tbody>
|
||||
<tr>
|
||||
<td class="listing_lines" align="right"><pre>1</pre></td>
|
||||
<td class="listing_code"><pre class="programlisting"><span class="function">AM_CONDITIONAL</span><span class="symbol">(</span><span class="normal">BUILD_X11</span><span class="symbol">,</span><span class="normal"> test `$PKG_CONFIG </span><span class="symbol">--</span><span class="normal">variable</span><span class="symbol">=</span><span class="usertype">target</span><span class="normal"> gtk</span><span class="symbol">+-</span><span class="number">2.0</span><span class="normal">` </span><span class="symbol">=</span><span class="normal"> </span><span class="string">"x11"</span><span class="symbol">)</span></pre></td>
|
||||
<td class="listing_code"><pre class="programlisting"><span class="n">AM_CONDITIONAL</span><span class="p">(</span><span class="n">BUILD_X11</span><span class="p">,</span> <span class="n">test</span> <span class="err">`$</span><span class="n">PKG_CONFIG</span> <span class="o">--</span><span class="n">variable</span><span class="o">=</span><span class="n">target</span> <span class="n">gtk</span><span class="o">+-</span><span class="mf">2.0</span><span class="err">`</span> <span class="o">=</span> <span class="s">"x11"</span><span class="p">)</span></pre></td>
|
||||
</tr>
|
||||
</tbody>
|
||||
</table>
|
||||
@ -996,8 +996,8 @@
|
||||
<tr>
|
||||
<td class="listing_lines" align="right"><pre>1
|
||||
2</pre></td>
|
||||
<td class="listing_code"><pre class="programlisting"><span class="function">GTK_CHECK_BACKEND</span><span class="symbol">([</span><span class="normal">x11</span><span class="symbol">],</span><span class="normal"> </span><span class="symbol">[</span><span class="number">3.0</span><span class="symbol">.</span><span class="number">2</span><span class="symbol">],</span><span class="normal"> </span><span class="symbol">[</span><span class="normal">have_x11</span><span class="symbol">=</span><span class="normal">yes</span><span class="symbol">],</span><span class="normal"> </span><span class="symbol">[</span><span class="normal">have_x11</span><span class="symbol">=</span><span class="normal">no</span><span class="symbol">])</span>
|
||||
<span class="function">AM_CONDITIONAL</span><span class="symbol">(</span><span class="normal">BUILD_x11</span><span class="symbol">,</span><span class="normal"> </span><span class="symbol">[</span><span class="normal">test </span><span class="string">"x$have_x11"</span><span class="normal"> </span><span class="symbol">=</span><span class="normal"> </span><span class="string">"xyes"</span><span class="symbol">])</span></pre></td>
|
||||
<td class="listing_code"><pre class="programlisting"><span class="n">GTK_CHECK_BACKEND</span><span class="p">([</span><span class="n">x11</span><span class="p">],</span> <span class="p">[</span><span class="mf">3.0.2</span><span class="p">],</span> <span class="p">[</span><span class="n">have_x11</span><span class="o">=</span><span class="n">yes</span><span class="p">],</span> <span class="p">[</span><span class="n">have_x11</span><span class="o">=</span><span class="n">no</span><span class="p">])</span>
|
||||
<span class="n">AM_CONDITIONAL</span><span class="p">(</span><span class="n">BUILD_x11</span><span class="p">,</span> <span class="p">[</span><span class="n">test</span> <span class="s">"x$have_x11"</span> <span class="o">=</span> <span class="s">"xyes"</span><span class="p">])</span></pre></td>
|
||||
</tr>
|
||||
</tbody>
|
||||
</table>
|
||||
@ -1057,15 +1057,15 @@
|
||||
7
|
||||
8
|
||||
9</pre></td>
|
||||
<td class="listing_code"><pre class="programlisting"><span class="keyword">if</span><span class="normal"> </span><span class="symbol">(</span><span class="normal">event</span><span class="symbol">-></span><span class="normal">window </span><span class="symbol">==</span><span class="normal"> widget</span><span class="symbol">-></span><span class="normal">window1</span><span class="symbol">)</span>
|
||||
<span class="normal"> </span><span class="cbracket">{</span>
|
||||
<span class="normal"> </span><span class="comment">/* ... draw window1 ... */</span>
|
||||
<span class="normal"> </span><span class="cbracket">}</span>
|
||||
<span class="keyword">else</span><span class="normal"> </span><span class="keyword">if</span><span class="normal"> </span><span class="symbol">(</span><span class="normal">event</span><span class="symbol">-></span><span class="normal">window </span><span class="symbol">==</span><span class="normal"> widget</span><span class="symbol">-></span><span class="normal">window2</span><span class="symbol">)</span>
|
||||
<span class="normal"> </span><span class="cbracket">{</span>
|
||||
<span class="normal"> </span><span class="comment">/* ... draw window2 ... */</span>
|
||||
<span class="normal"> </span><span class="cbracket">}</span>
|
||||
<span class="symbol">...</span></pre></td>
|
||||
<td class="listing_code"><pre class="programlisting"><span class="k">if</span> <span class="p">(</span><span class="n">event</span><span class="o">-></span><span class="n">window</span> <span class="o">==</span> <span class="n">widget</span><span class="o">-></span><span class="n">window1</span><span class="p">)</span>
|
||||
<span class="p">{</span>
|
||||
<span class="cm">/* ... draw window1 ... */</span>
|
||||
<span class="p">}</span>
|
||||
<span class="k">else</span> <span class="k">if</span> <span class="p">(</span><span class="n">event</span><span class="o">-></span><span class="n">window</span> <span class="o">==</span> <span class="n">widget</span><span class="o">-></span><span class="n">window2</span><span class="p">)</span>
|
||||
<span class="p">{</span>
|
||||
<span class="cm">/* ... draw window2 ... */</span>
|
||||
<span class="p">}</span>
|
||||
<span class="p">...</span></pre></td>
|
||||
</tr>
|
||||
</tbody>
|
||||
</table>
|
||||
@ -1091,15 +1091,15 @@
|
||||
7
|
||||
8
|
||||
9</pre></td>
|
||||
<td class="listing_code"><pre class="programlisting"><span class="keyword">if</span><span class="normal"> </span><span class="symbol">(</span><span class="function"><a href="GtkWidget.html#gtk-cairo-should-draw-window">gtk_cairo_should_draw_window</a></span><span class="normal"> </span><span class="symbol">(</span><span class="normal">cr</span><span class="symbol">,</span><span class="normal"> widget</span><span class="symbol">-></span><span class="normal">window1</span><span class="symbol">)</span>
|
||||
<span class="normal"> </span><span class="cbracket">{</span>
|
||||
<span class="normal"> </span><span class="comment">/* ... draw window1 ... */</span>
|
||||
<span class="normal"> </span><span class="cbracket">}</span>
|
||||
<span class="keyword">if</span><span class="normal"> </span><span class="symbol">(</span><span class="function"><a href="GtkWidget.html#gtk-cairo-should-draw-window">gtk_cairo_should_draw_window</a></span><span class="normal"> </span><span class="symbol">(</span><span class="normal">cr</span><span class="symbol">,</span><span class="normal"> widget</span><span class="symbol">-></span><span class="normal">window2</span><span class="symbol">)</span>
|
||||
<span class="normal"> </span><span class="cbracket">{</span>
|
||||
<span class="normal"> </span><span class="comment">/* ... draw window2 ... */</span>
|
||||
<span class="normal"> </span><span class="cbracket">}</span>
|
||||
<span class="symbol">...</span></pre></td>
|
||||
<td class="listing_code"><pre class="programlisting"><span class="k">if</span> <span class="p">(</span><span class="n">gtk_cairo_should_draw_window</span> <span class="p">(</span><span class="n">cr</span><span class="p">,</span> <span class="n">widget</span><span class="o">-></span><span class="n">window1</span><span class="p">)</span>
|
||||
<span class="p">{</span>
|
||||
<span class="cm">/* ... draw window1 ... */</span>
|
||||
<span class="p">}</span>
|
||||
<span class="k">if</span> <span class="p">(</span><span class="n">gtk_cairo_should_draw_window</span> <span class="p">(</span><span class="n">cr</span><span class="p">,</span> <span class="n">widget</span><span class="o">-></span><span class="n">window2</span><span class="p">)</span>
|
||||
<span class="p">{</span>
|
||||
<span class="cm">/* ... draw window2 ... */</span>
|
||||
<span class="p">}</span>
|
||||
<span class="p">...</span></pre></td>
|
||||
</tr>
|
||||
</tbody>
|
||||
</table>
|
||||
@ -1144,26 +1144,26 @@
|
||||
18
|
||||
19
|
||||
20</pre></td>
|
||||
<td class="listing_code"><pre class="programlisting"><span class="normal">gboolean</span>
|
||||
<span class="function">gtk_arrow_draw</span><span class="normal"> </span><span class="symbol">(</span><span class="usertype">GtkWidget</span><span class="normal"> </span><span class="symbol">*</span><span class="normal">widget</span><span class="symbol">,</span>
|
||||
<span class="normal"> </span><span class="usertype">cairo_t</span><span class="normal"> </span><span class="symbol">*</span><span class="normal">cr</span><span class="symbol">)</span>
|
||||
<span class="cbracket">{</span>
|
||||
<span class="normal"> </span><span class="usertype">GtkStyleContext</span><span class="normal"> </span><span class="symbol">*</span><span class="normal">context</span><span class="symbol">;</span>
|
||||
<span class="normal"> </span><span class="usertype">gint</span><span class="normal"> x</span><span class="symbol">,</span><span class="normal"> y</span><span class="symbol">;</span>
|
||||
<span class="normal"> </span><span class="usertype">gint</span><span class="normal"> width</span><span class="symbol">,</span><span class="normal"> height</span><span class="symbol">;</span>
|
||||
<span class="normal"> </span><span class="usertype">gint</span><span class="normal"> extent</span><span class="symbol">;</span>
|
||||
<td class="listing_code"><pre class="programlisting"><span class="n">gboolean</span>
|
||||
<span class="nf">gtk_arrow_draw</span> <span class="p">(</span><span class="n">GtkWidget</span> <span class="o">*</span><span class="n">widget</span><span class="p">,</span>
|
||||
<span class="n">cairo_t</span> <span class="o">*</span><span class="n">cr</span><span class="p">)</span>
|
||||
<span class="p">{</span>
|
||||
<span class="n">GtkStyleContext</span> <span class="o">*</span><span class="n">context</span><span class="p">;</span>
|
||||
<span class="n">gint</span> <span class="n">x</span><span class="p">,</span> <span class="n">y</span><span class="p">;</span>
|
||||
<span class="n">gint</span> <span class="n">width</span><span class="p">,</span> <span class="n">height</span><span class="p">;</span>
|
||||
<span class="n">gint</span> <span class="n">extent</span><span class="p">;</span>
|
||||
|
||||
<span class="normal"> context </span><span class="symbol">=</span><span class="normal"> </span><span class="function"><a href="GtkWidget.html#gtk-widget-get-style-context">gtk_widget_get_style_context</a></span><span class="normal"> </span><span class="symbol">(</span><span class="normal">widget</span><span class="symbol">);</span>
|
||||
<span class="n">context</span> <span class="o">=</span> <span class="n">gtk_widget_get_style_context</span> <span class="p">(</span><span class="n">widget</span><span class="p">);</span>
|
||||
|
||||
<span class="normal"> width </span><span class="symbol">=</span><span class="normal"> </span><span class="function"><a href="GtkWidget.html#gtk-widget-get-allocated-width">gtk_widget_get_allocated_width</a></span><span class="normal"> </span><span class="symbol">(</span><span class="normal">widget</span><span class="symbol">);</span>
|
||||
<span class="normal"> height </span><span class="symbol">=</span><span class="normal"> </span><span class="function"><a href="GtkWidget.html#gtk-widget-get-allocated-height">gtk_widget_get_allocated_height</a></span><span class="normal"> </span><span class="symbol">(</span><span class="normal">widget</span><span class="symbol">);</span>
|
||||
<span class="n">width</span> <span class="o">=</span> <span class="n">gtk_widget_get_allocated_width</span> <span class="p">(</span><span class="n">widget</span><span class="p">);</span>
|
||||
<span class="n">height</span> <span class="o">=</span> <span class="n">gtk_widget_get_allocated_height</span> <span class="p">(</span><span class="n">widget</span><span class="p">);</span>
|
||||
|
||||
<span class="normal"> extent </span><span class="symbol">=</span><span class="normal"> </span><span class="function">MIN</span><span class="normal"> </span><span class="symbol">(</span><span class="normal">width </span><span class="symbol">-</span><span class="normal"> </span><span class="number">2</span><span class="normal"> </span><span class="symbol">*</span><span class="normal"> PAD</span><span class="symbol">,</span><span class="normal"> height </span><span class="symbol">-</span><span class="normal"> </span><span class="number">2</span><span class="normal"> </span><span class="symbol">*</span><span class="normal"> PAD</span><span class="symbol">);</span>
|
||||
<span class="normal"> x </span><span class="symbol">=</span><span class="normal"> PAD</span><span class="symbol">;</span>
|
||||
<span class="normal"> y </span><span class="symbol">=</span><span class="normal"> PAD</span><span class="symbol">;</span>
|
||||
<span class="n">extent</span> <span class="o">=</span> <span class="n">MIN</span> <span class="p">(</span><span class="n">width</span> <span class="o">-</span> <span class="mi">2</span> <span class="o">*</span> <span class="n">PAD</span><span class="p">,</span> <span class="n">height</span> <span class="o">-</span> <span class="mi">2</span> <span class="o">*</span> <span class="n">PAD</span><span class="p">);</span>
|
||||
<span class="n">x</span> <span class="o">=</span> <span class="n">PAD</span><span class="p">;</span>
|
||||
<span class="n">y</span> <span class="o">=</span> <span class="n">PAD</span><span class="p">;</span>
|
||||
|
||||
<span class="normal"> </span><span class="function"><a href="GtkStyleContext.html#gtk-render-arrow">gtk_render_arrow</a></span><span class="normal"> </span><span class="symbol">(</span><span class="normal">context</span><span class="symbol">,</span><span class="normal"> rc</span><span class="symbol">,</span><span class="normal"> G_PI </span><span class="symbol">/</span><span class="normal"> </span><span class="number">2</span><span class="symbol">,</span><span class="normal"> x</span><span class="symbol">,</span><span class="normal"> y</span><span class="symbol">,</span><span class="normal"> extent</span><span class="symbol">);</span>
|
||||
<span class="cbracket">}</span></pre></td>
|
||||
<span class="n">gtk_render_arrow</span> <span class="p">(</span><span class="n">context</span><span class="p">,</span> <span class="n">rc</span><span class="p">,</span> <span class="n">G_PI</span> <span class="o">/</span> <span class="mi">2</span><span class="p">,</span> <span class="n">x</span><span class="p">,</span> <span class="n">y</span><span class="p">,</span> <span class="n">extent</span><span class="p">);</span>
|
||||
<span class="p">}</span></pre></td>
|
||||
</tr>
|
||||
</tbody>
|
||||
</table>
|
||||
@ -1285,9 +1285,9 @@
|
||||
<td class="listing_lines" align="right"><pre>1
|
||||
2
|
||||
3</pre></td>
|
||||
<td class="listing_code"><pre class="programlisting"><span class="usertype">GtkObjectClass</span><span class="normal"> </span><span class="symbol">*</span><span class="normal">object_class </span><span class="symbol">=</span><span class="normal"> </span><span class="function">GTK_OBJECT_CLASS</span><span class="normal"> </span><span class="symbol">(</span><span class="normal">class</span><span class="symbol">);</span>
|
||||
<td class="listing_code"><pre class="programlisting"><span class="n">GtkObjectClass</span> <span class="o">*</span><span class="n">object_class</span> <span class="o">=</span> <span class="n">GTK_OBJECT_CLASS</span> <span class="p">(</span><span class="n">class</span><span class="p">);</span>
|
||||
|
||||
<span class="normal">object_class</span><span class="symbol">-></span><span class="normal">destroy </span><span class="symbol">=</span><span class="normal"> my_destroy</span><span class="symbol">;</span></pre></td>
|
||||
<span class="n">object_class</span><span class="o">-></span><span class="n">destroy</span> <span class="o">=</span> <span class="n">my_destroy</span><span class="p">;</span></pre></td>
|
||||
</tr>
|
||||
</tbody>
|
||||
</table>
|
||||
@ -1303,9 +1303,9 @@
|
||||
<td class="listing_lines" align="right"><pre>1
|
||||
2
|
||||
3</pre></td>
|
||||
<td class="listing_code"><pre class="programlisting"><span class="usertype">GtkWidgetClass</span><span class="normal"> </span><span class="symbol">*</span><span class="normal">widget_class </span><span class="symbol">=</span><span class="normal"> </span><span class="function">GTK_WIDGET_CLASS</span><span class="normal"> </span><span class="symbol">(</span><span class="normal">class</span><span class="symbol">);</span>
|
||||
<td class="listing_code"><pre class="programlisting"><span class="n">GtkWidgetClass</span> <span class="o">*</span><span class="n">widget_class</span> <span class="o">=</span> <span class="n">GTK_WIDGET_CLASS</span> <span class="p">(</span><span class="n">class</span><span class="p">);</span>
|
||||
|
||||
<span class="normal">widget_class</span><span class="symbol">-></span><span class="normal">destroy </span><span class="symbol">=</span><span class="normal"> my_destroy</span><span class="symbol">;</span></pre></td>
|
||||
<span class="n">widget_class</span><span class="o">-></span><span class="n">destroy</span> <span class="o">=</span> <span class="n">my_destroy</span><span class="p">;</span></pre></td>
|
||||
</tr>
|
||||
</tbody>
|
||||
</table>
|
||||
@ -1412,6 +1412,6 @@
|
||||
</div>
|
||||
</div>
|
||||
<div class="footer">
|
||||
<hr>Generated by GTK-Doc V1.29</div>
|
||||
<hr>Generated by GTK-Doc V1.32.1</div>
|
||||
</body>
|
||||
</html>
|
||||
Reference in New Issue
Block a user