gdk-input-devices.html

最新gtk中文资料集

</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" lang="en">
<a name="id3288222"></a><h3>
<a name="GdkInputMode"></a>enum GdkInputMode</h3>
<a class="indexterm" name="id3288235"></a><pre class="programlisting">typedef enum
{
  GDK_MODE_DISABLED,
  GDK_MODE_SCREEN,
  GDK_MODE_WINDOW
} GdkInputMode;
</pre>
<p>
An enumeration that describes the mode of an input device.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><a name="GDK-MODE-DISABLED:CAPS"></a><code class="literal">GDK_MODE_DISABLED</code></span></p></td>
<td>the device is disabled and will not report any events.
</td>
</tr>
<tr>
<td><p><span class="term"><a name="GDK-MODE-SCREEN:CAPS"></a><code class="literal">GDK_MODE_SCREEN</code></span></p></td>
<td>the device is enabled. The device's coordinate space
                    maps to the entire screen.
</td>
</tr>
<tr>
<td><p><span class="term"><a name="GDK-MODE-WINDOW:CAPS"></a><code class="literal">GDK_MODE_WINDOW</code></span></p></td>
<td>the device is enabled. The device's coordinate space
                    is mapped to a single window. The manner in which this window
                    is chosen is undefined, but it will typically be the same
                    way in which the focus window for key events is determined.

</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" lang="en">
<a name="id3288332"></a><h3>
<a name="GdkDeviceKey"></a>GdkDeviceKey</h3>
<a class="indexterm" name="id3288344"></a><pre class="programlisting">typedef struct {
  guint keyval;
  GdkModifierType modifiers;
} GdkDeviceKey;
</pre>
<p>
The <span class="structname">GdkDeviceKey</span> structure contains information
about the mapping of one device macro button onto a normal X key event. 
It has the following fields:
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><a
href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint"
>guint</a>&#160;<em class="structfield"><code>keyval</code></em>;</span></p></td>
<td>the keyval to generate when the macro button is pressed.
         If this is 0, no keypress will be generated.
</td>
</tr>
<tr>
<td><p><span class="term"><a class="link" href="gdk-Windows.html#GdkModifierType">GdkModifierType</a>&#160;<em class="structfield"><code>modifiers</code></em>;</span></p></td>
<td>the modifiers set for the generated key event.

</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" lang="en">
<a name="id3288414"></a><h3>
<a name="GdkDeviceAxis"></a>GdkDeviceAxis</h3>
<a class="indexterm" name="id3288427"></a><pre class="programlisting">typedef struct {
  GdkAxisUse use;
  gdouble    min;
  gdouble    max;
} GdkDeviceAxis;
</pre>
<p>
The <span class="structname">GdkDeviceAxis</span> structure contains information
about the range and mapping of a device axis.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><a class="link" href="gdk-Input-Devices.html#GdkAxisUse">GdkAxisUse</a>&#160;<em class="structfield"><code>use</code></em>;</span></p></td>
<td>specifies how the axis is used.
</td>
</tr>
<tr>
<td><p><span class="term"><a
href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gdouble"
>gdouble</a>&#160;<em class="structfield"><code>min</code></em>;</span></p></td>
<td>the minimal value that will be reported by this axis.
</td>
</tr>
<tr>
<td><p><span class="term"><a
href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gdouble"
>gdouble</a>&#160;<em class="structfield"><code>max</code></em>;</span></p></td>
<td>the maximal value that will be reported by this axis.

</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" lang="en">
<a name="id3288517"></a><h3>
<a name="GdkAxisUse"></a>enum GdkAxisUse</h3>
<a class="indexterm" name="id3288529"></a><pre class="programlisting">typedef enum
{
  GDK_AXIS_IGNORE,
  GDK_AXIS_X,
  GDK_AXIS_Y,
  GDK_AXIS_PRESSURE,
  GDK_AXIS_XTILT,
  GDK_AXIS_YTILT,
  GDK_AXIS_WHEEL,
  GDK_AXIS_LAST
} GdkAxisUse;
</pre>
<p>
An enumeration describing the way in which a device
axis (valuator) maps onto the predefined valuator
types that GTK+ understands.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><a name="GDK-AXIS-IGNORE:CAPS"></a><code class="literal">GDK_AXIS_IGNORE</code></span></p></td>
<td>the axis is ignored.
</td>
</tr>
<tr>
<td><p><span class="term"><a name="GDK-AXIS-X:CAPS"></a><code class="literal">GDK_AXIS_X</code></span></p></td>
<td>the axis is used as the x axis.
</td>
</tr>
<tr>
<td><p><span class="term"><a name="GDK-AXIS-Y:CAPS"></a><code class="literal">GDK_AXIS_Y</code></span></p></td>
<td>the axis is used as the y axis.
</td>
</tr>
<tr>
<td><p><span class="term"><a name="GDK-AXIS-PRESSURE:CAPS"></a><code class="literal">GDK_AXIS_PRESSURE</code></span></p></td>
<td>the axis is used for pressure information.
</td>
</tr>
<tr>
<td><p><span class="term"><a name="GDK-AXIS-XTILT:CAPS"></a><code class="literal">GDK_AXIS_XTILT</code></span></p></td>
<td>the axis is used for x tilt information.
</td>
</tr>
<tr>
<td><p><span class="term"><a name="GDK-AXIS-YTILT:CAPS"></a><code class="literal">GDK_AXIS_YTILT</code></span></p></td>
<td>the axis is used for x tilt information.
</td>
</tr>
<tr>
<td><p><span class="term"><a name="GDK-AXIS-WHEEL:CAPS"></a><code class="literal">GDK_AXIS_WHEEL</code></span></p></td>
<td>the axis is used for wheel information.
</td>
</tr>
<tr>
<td><p><span class="term"><a name="GDK-AXIS-LAST:CAPS"></a><code class="literal">GDK_AXIS_LAST</code></span></p></td>
<td>a constant equal to the numerically highest axis value.

</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" lang="en">
<a name="id3288736"></a><h3>
<a name="gdk-devices-list"></a>gdk_devices_list ()</h3>
<a class="indexterm" name="id3288749"></a><pre class="programlisting"><a
href="/usr/share/gtk-doc/html/glib/glib-Doubly-Linked-Lists.html#GList"
>GList</a>*              gdk_devices_list                    (void);</pre>
<p>
Returns the list of available input devices for the default display.
The list is statically allocated and should not be freed.</p>
<p>
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody><tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span>&#160;:</span></p></td>
<td> a list of <a class="link" href="gdk-Input-Devices.html#GdkDevice"><span class="type">GdkDevice</span></a>
</td>
</tr></tbody>
</table></div>
</div>
<hr>
<div class="refsect2" lang="en">
<a name="id3288798"></a><h3>
<a name="gdk-device-set-source"></a>gdk_device_set_source ()</h3>
<a class="indexterm" name="id3288812"></a><pre class="programlisting">void                gdk_device_set_source               (<a class="link" href="gdk-Input-Devices.html#GdkDevice">GdkDevice</a> *device,
                                                         <a class="link" href="gdk-Input-Devices.html#GdkInputSource">GdkInputSource</a> source);</pre>
<p>
Sets the source type for an input device.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>device</code></em>&#160;:</span></p></td>
<td>a <a class="link" href="gdk-Input-Devices.html#GdkDevice"><span class="type">GdkDevice</span></a>.
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>source</code></em>&#160;:</span></p></td>
<td>the source type.


</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" lang="en">
<a name="id3288888"></a><h3>
<a name="gdk-device-set-mode"></a>gdk_device_set_mode ()</h3>
<a class="indexterm" name="id3288902"></a><pre class="programlisting"><a
href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"
>gboolean</a>            gdk_device_set_mode                 (<a class="link" href="gdk-Input-Devices.html#GdkDevice">GdkDevice</a> *device,
                                                         <a class="link" href="gdk-Input-Devices.html#GdkInputMode">GdkInputMode</a> mode);</pre>
<p>
Sets a the mode of an input device. The mode controls if the 
device is active and whether the device's range is mapped to the
entire screen or to a single window.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>device</code></em>&#160;:</span></p></td>
<td>a <a class="link" href="gdk-Input-Devices.html#GdkDevice"><span class="type">GdkDevice</span></a>.
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>mode</code></em>&#160;:</span></p></td>
<td>the input mode.
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span>&#160;:</span></p></td>
<td>
<a
href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#TRUE:CAPS"
><code class="literal">TRUE</code></a> if the mode was successfully changed.


</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" lang="en">
<a name="id3289000"></a><h3>
<a name="gdk-device-set-key"></a>gdk_device_set_key ()</h3>
<a class="indexterm" name="id3289014"></a><pre class="programlisting">void                gdk_device_set_key                  (<a class="link" href="gdk-Input-Devices.html#GdkDevice">GdkDevice</a> *device,
                                                         <a
href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint"
>guint</a> index_,
                                                         <a
href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint"
>guint</a> keyval,
                                                         <a class="link" href="gdk-Windows.html#GdkModifierType">GdkModifierType</a> modifiers);</pre>
<p>
Specifies the X key event to generate when a macro button of a device
is pressed.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>device</code></em>&#160;:</span></p></td>
<td>a <a class="link" href="gdk-Input-Devices.html#GdkDevice"><span class="type">GdkDevice</span></a>.
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>index_</code></em>&#160;:</span></p></td>
<td>the index of the macro button to set.
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>keyval</code></em>&#160;:</span></p></td>
<td>the keyval to generate.
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>modifiers</code></em>&#160;:</span></p></td>
<td>the modifiers to set.


</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" lang="en">
<a name="id3289135"></a><h3>
<a name="gdk-device-set-axis-use"></a>gdk_device_set_axis_use ()</h3>
<a class="indexterm" name="id3289148"></a><pre class="programlisting">void                gdk_device_set_axis_use             (<a class="link" href="gdk-Input-Devices.html#GdkDevice">GdkDevice</a> *device,
                                                         <a
href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint"
>guint</a> index_,
                                                         <a class="link" href="gdk-Input-Devices.html#GdkAxisUse">GdkAxisUse</a> use);</pre>
<p>
Specifies how an axis of a device is used.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>device</code></em>&#160;:</span></p></td>
<td>a <a class="link" href="gdk-Input-Devices.html#GdkDevice"><span class="type">GdkDevice</span></a>.
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>index_</code></em>&#160;:</span></p></td>
<td>the index of the axis.
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>use</code></em>&#160;:</span></p></td>
<td>specifies how the axis is used.


</td>
</tr>