New upstream version 3.23.2
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<head>
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<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
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<title>GtkPadController: GTK+ 3 Reference Manual</title>
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@ -85,7 +85,7 @@
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</tr>
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<tr>
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<td class="property_type">
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<a href="../html/GdkDevice.html#GdkDevice-struct"><span class="type">GdkDevice</span></a> *</td>
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<span class="type">GdkDevice</span> *</td>
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<td class="property_name"><a class="link" href="GtkPadController.html#GtkPadController--pad" title="The “pad” property">pad</a></td>
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<td class="property_flags">Read / Write / Construct Only</td>
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</tr>
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@ -137,32 +137,51 @@ perform no action, this event controller is provided to map those to
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<span class="type">GAction</span> objects, thus letting the application give those a more semantic
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meaning.</p>
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<p>Buttons and sensors are not constrained to triggering a single action, some
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<a href="../html/GdkDevice.html#GDK-SOURCE-TABLET-PAD:CAPS"><code class="literal">GDK_SOURCE_TABLET_PAD</code></a> devices feature multiple "modes", all these input
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<code class="literal">GDK_SOURCE_TABLET_PAD</code> devices feature multiple "modes", all these input
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elements have one current mode, which may determine the final action
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being triggered. Pad devices often divide buttons and sensors into groups,
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all elements in a group share the same current mode, but different groups
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may have different modes. See <a href="../html/GdkDevicePad.html#gdk-device-pad-get-n-groups"><code class="function">gdk_device_pad_get_n_groups()</code></a> and
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<a href="../html/GdkDevicePad.html#gdk-device-pad-get-group-n-modes"><code class="function">gdk_device_pad_get_group_n_modes()</code></a>.</p>
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may have different modes. See <code class="function">gdk_device_pad_get_n_groups()</code> and
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<code class="function">gdk_device_pad_get_group_n_modes()</code>.</p>
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<p>Each of the actions that a given button/strip/ring performs for a given
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mode is defined by <a class="link" href="GtkPadController.html#GtkPadActionEntry" title="struct GtkPadActionEntry"><span class="type">GtkPadActionEntry</span></a>, it contains an action name that
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will be looked up in the given <span class="type">GActionGroup</span> and activated whenever the
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specified input element and mode are triggered.</p>
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<p>A simple example of <a class="link" href="GtkPadController.html" title="GtkPadController"><span class="type">GtkPadController</span></a> usage, assigning button 1 in all
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modes and pad devices to an "invert-selection" action:</p>
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<div class="informalexample"><pre class="programlisting">
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GtkPadActionEntry *pad_actions[] = {
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{ GTK_PAD_ACTION_BUTTON, 1, -1, "Invert selection", "pad-actions.invert-selection" },
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…
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};
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<div class="informalexample">
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<table class="listing_frame" border="0" cellpadding="0" cellspacing="0">
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<tbody>
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<tr>
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<td class="listing_lines" align="right"><pre>1
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2
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3
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4
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5
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6
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7
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8
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9
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10
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11
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12</pre></td>
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<td class="listing_code"><pre class="programlisting"><span class="usertype">GtkPadActionEntry</span><span class="normal"> </span><span class="symbol">*</span><span class="normal">pad_actions</span><span class="symbol">[]</span><span class="normal"> </span><span class="symbol">=</span><span class="normal"> </span><span class="cbracket">{</span>
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<span class="normal"> </span><span class="cbracket">{</span><span class="normal"> <a href="GtkPadController.html#GTK-PAD-ACTION-BUTTON:CAPS">GTK_PAD_ACTION_BUTTON</a></span><span class="symbol">,</span><span class="normal"> </span><span class="number">1</span><span class="symbol">,</span><span class="normal"> </span><span class="symbol">-</span><span class="number">1</span><span class="symbol">,</span><span class="normal"> </span><span class="string">"Invert selection"</span><span class="symbol">,</span><span class="normal"> </span><span class="string">"pad-actions.invert-selection"</span><span class="normal"> </span><span class="cbracket">}</span><span class="symbol">,</span>
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<span class="normal"> …</span>
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<span class="cbracket">}</span><span class="symbol">;</span>
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<span class="normal">…</span>
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<span class="normal">action_group </span><span class="symbol">=</span><span class="normal"> </span><span class="function">g_simple_action_group_new</span><span class="normal"> </span><span class="symbol">();</span>
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<span class="normal">action </span><span class="symbol">=</span><span class="normal"> </span><span class="function">g_simple_action_new</span><span class="normal"> </span><span class="symbol">(</span><span class="string">"pad-actions.invert-selection"</span><span class="symbol">,</span><span class="normal"> NULL</span><span class="symbol">);</span>
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<span class="function">g_signal_connect</span><span class="normal"> </span><span class="symbol">(</span><span class="normal">action</span><span class="symbol">,</span><span class="normal"> </span><span class="string">"activate"</span><span class="symbol">,</span><span class="normal"> on_invert_selection_activated</span><span class="symbol">,</span><span class="normal"> NULL</span><span class="symbol">);</span>
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<span class="function">g_action_map_add_action</span><span class="normal"> </span><span class="symbol">(</span><span class="function">G_ACTION_MAP</span><span class="normal"> </span><span class="symbol">(</span><span class="normal">action_group</span><span class="symbol">),</span><span class="normal"> action</span><span class="symbol">);</span>
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<span class="normal">…</span>
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<span class="normal">pad_controller </span><span class="symbol">=</span><span class="normal"> </span><span class="function"><a href="GtkPadController.html#gtk-pad-controller-new">gtk_pad_controller_new</a></span><span class="normal"> </span><span class="symbol">(</span><span class="normal">window</span><span class="symbol">,</span><span class="normal"> action_group</span><span class="symbol">,</span><span class="normal"> NULL</span><span class="symbol">);</span></pre></td>
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</tr>
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</tbody>
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</table>
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</div>
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…
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action_group = g_simple_action_group_new ();
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action = g_simple_action_new ("pad-actions.invert-selection", NULL);
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g_signal_connect (action, "activate", on_invert_selection_activated, NULL);
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g_action_map_add_action (G_ACTION_MAP (action_group), action);
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…
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pad_controller = gtk_pad_controller_new (window, action_group, NULL);
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</pre></div>
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<p></p>
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<p>The actions belonging to rings/strips will be activated with a parameter
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of type <code class="literal">G_VARIANT_TYPE_DOUBLE</code> bearing the value of the given axis, it
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@ -175,7 +194,7 @@ is required that those are made stateful and accepting this <span class="type">G
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<pre class="programlisting"><a class="link" href="GtkPadController.html" title="GtkPadController"><span class="returnvalue">GtkPadController</span></a> *
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gtk_pad_controller_new (<em class="parameter"><code><a class="link" href="GtkWindow.html" title="GtkWindow"><span class="type">GtkWindow</span></a> *window</code></em>,
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<em class="parameter"><code><span class="type">GActionGroup</span> *group</code></em>,
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<em class="parameter"><code><a href="../html/GdkDevice.html#GdkDevice-struct"><span class="type">GdkDevice</span></a> *pad</code></em>);</pre>
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<em class="parameter"><code><span class="type">GdkDevice</span> *pad</code></em>);</pre>
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<p>Creates a new <a class="link" href="GtkPadController.html" title="GtkPadController"><span class="type">GtkPadController</span></a> that will associate events from <em class="parameter"><code>pad</code></em>
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to
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actions. A <code class="literal">NULL</code> pad may be provided so the controller manages all pad devices
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@ -208,7 +227,7 @@ events to actions, use <a class="link" href="GtkPadController.html#gtk-pad-contr
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</tr>
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<tr>
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<td class="parameter_name"><p>pad</p></td>
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<td class="parameter_description"><p>A <a href="../html/GdkDevice.html#GDK-SOURCE-TABLET-PAD:CAPS"><code class="literal">GDK_SOURCE_TABLET_PAD</code></a> device, or <code class="literal">NULL</code> to handle all pads. </p></td>
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<td class="parameter_description"><p>A <code class="literal">GDK_SOURCE_TABLET_PAD</code> device, or <code class="literal">NULL</code> to handle all pads. </p></td>
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<td class="parameter_annotations"><span class="annotation">[<acronym title="NULL may be passed as the value in, out, in-out; or as a return value."><span class="acronym">nullable</span></acronym>]</span></td>
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</tr>
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</tbody>
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@ -436,17 +455,17 @@ be deemed user-visible.</p></td>
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<hr>
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<div class="refsect2">
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<a name="GtkPadController--pad"></a><h3>The <code class="literal">“pad”</code> property</h3>
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<pre class="programlisting"> “pad” <a href="../html/GdkDevice.html#GdkDevice-struct"><span class="type">GdkDevice</span></a> *</pre>
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<pre class="programlisting"> “pad” <span class="type">GdkDevice</span> *</pre>
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<p>Pad device to control.</p>
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<p>Flags: Read / Write / Construct Only</p>
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</div>
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</div>
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<div class="refsect1">
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<a name="GtkPadController.see-also"></a><h2>See Also</h2>
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<p><a class="link" href="GtkEventController.html" title="GtkEventController"><span class="type">GtkEventController</span></a>, <a href="../html/GdkDevicePad.html#GdkDevicePad-struct"><span class="type">GdkDevicePad</span></a></p>
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<p><a class="link" href="GtkEventController.html" title="GtkEventController"><span class="type">GtkEventController</span></a>, <span class="type">GdkDevicePad</span></p>
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</div>
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