gdk-event-structures.html

最新gtk中文资料集

Generated when the pointer moves.
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<td><p><span class="term"><a class="link" href="gdk-Events.html#GdkEventType">GdkEventType</a>&#160;<em class="structfield"><code>type</code></em>;</span></p></td>
<td>the type of the event.
</td>
</tr>
<tr>
<td><p><span class="term"><a class="link" href="gdk-Windows.html#GdkWindow">GdkWindow</a>&#160;*<em class="structfield"><code>window</code></em>;</span></p></td>
<td>the window which received the event.
</td>
</tr>
<tr>
<td><p><span class="term"><a
href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gint8"
>gint8</a>&#160;<em class="structfield"><code>send_event</code></em>;</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 event was sent explicitly (e.g. using 
<code class="function">XSendEvent</code>).
</td>
</tr>
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<td><p><span class="term"><a
href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint32"
>guint32</a>&#160;<em class="structfield"><code>time</code></em>;</span></p></td>
<td>the time of the event in milliseconds.
</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>x</code></em>;</span></p></td>
<td>the x coordinate of the pointer relative to the window.
</td>
</tr>
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<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>y</code></em>;</span></p></td>
<td>the y coordinate of the pointer relative to the window.
</td>
</tr>
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<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>axes</code></em>;</span></p></td>
<td>
<em class="parameter"><code>x</code></em>, <em class="parameter"><code>y</code></em> translated to the axes of <em class="parameter"><code>device</code></em>, or <a
href="/usr/share/gtk-doc/html/liboil/liboil-liboiljunk.html#NULL:CAPS"
><code class="literal">NULL</code></a> if <em class="parameter"><code>device</code></em> is 
  the mouse.
</td>
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<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>state</code></em>;</span></p></td>
<td>a bit-mask representing the state of the modifier keys (e.g. Control,
  Shift and Alt) and the pointer buttons. See <a class="link" href="gdk-Windows.html#GdkModifierType"><span class="type">GdkModifierType</span></a>.
</td>
</tr>
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<td><p><span class="term"><a
href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gint16"
>gint16</a>&#160;<em class="structfield"><code>is_hint</code></em>;</span></p></td>
<td>set to 1 if this event is just a hint, see the <a class="link" href="gdk-Events.html#GDK-POINTER-MOTION-HINT-MASK:CAPS"><code class="literal">GDK_POINTER_MOTION_HINT_MASK</code></a>
  value of <a class="link" href="gdk-Events.html#GdkEventMask"><span class="type">GdkEventMask</span></a>.
</td>
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<td><p><span class="term"><a class="link" href="gdk-Input-Devices.html#GdkDevice">GdkDevice</a>&#160;*<em class="structfield"><code>device</code></em>;</span></p></td>
<td>the device where the event originated.
</td>
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<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>x_root</code></em>;</span></p></td>
<td>the x coordinate of the pointer relative to the root of the screen.
</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>y_root</code></em>;</span></p></td>
<td>the y coordinate of the pointer relative to the root of the screen.

</td>
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</tbody>
</table></div>
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<hr>
<div class="refsect2" lang="en">
<a name="id3240586"></a><h3>
<a name="GdkEventExpose"></a>GdkEventExpose</h3>
<a class="indexterm" name="id3240599"></a><pre class="programlisting">typedef struct {
  GdkEventType type;
  GdkWindow *window;
  gint8 send_event;
  GdkRectangle area;
  GdkRegion *region;
  gint count; /* If non-zero, how many more events follow. */
} GdkEventExpose;
</pre>
<p>
Generated when all or part of a window becomes visible and needs to be
redrawn.
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<td><p><span class="term"><a class="link" href="gdk-Events.html#GdkEventType">GdkEventType</a>&#160;<em class="structfield"><code>type</code></em>;</span></p></td>
<td>the type of the event (<a class="link" href="gdk-Events.html#GDK-EXPOSE:CAPS"><code class="literal">GDK_EXPOSE</code></a>).
</td>
</tr>
<tr>
<td><p><span class="term"><a class="link" href="gdk-Windows.html#GdkWindow">GdkWindow</a>&#160;*<em class="structfield"><code>window</code></em>;</span></p></td>
<td>the window which received the event.
</td>
</tr>
<tr>
<td><p><span class="term"><a
href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gint8"
>gint8</a>&#160;<em class="structfield"><code>send_event</code></em>;</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 event was sent explicitly (e.g. using 
<code class="function">XSendEvent</code>).
</td>
</tr>
<tr>
<td><p><span class="term"><a class="link" href="gdk-Points-Rectangles-and-Regions.html#GdkRectangle">GdkRectangle</a>&#160;<em class="structfield"><code>area</code></em>;</span></p></td>
<td>bounding box of <em class="parameter"><code>region</code></em>.
</td>
</tr>
<tr>
<td><p><span class="term"><a class="link" href="gdk-Points-Rectangles-and-Regions.html#GdkRegion">GdkRegion</a>&#160;*<em class="structfield"><code>region</code></em>;</span></p></td>
<td>the region that needs to be redrawn.
</td>
</tr>
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<td><p><span class="term"><a
href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gint"
>gint</a>&#160;<em class="structfield"><code>count</code></em>;</span></p></td>
<td>the number of contiguous <a class="link" href="gdk-Events.html#GDK-EXPOSE:CAPS"><code class="literal">GDK_EXPOSE</code></a> events following this one.
The only use for this is "exposure compression", i.e. handling all contiguous
<a class="link" href="gdk-Events.html#GDK-EXPOSE:CAPS"><code class="literal">GDK_EXPOSE</code></a> events in one go, though GDK performs some exposure compression
so this is not normally needed.

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<hr>
<div class="refsect2" lang="en">
<a name="id3240804"></a><h3>
<a name="GdkEventVisibility"></a>GdkEventVisibility</h3>
<a class="indexterm" name="id3240817"></a><pre class="programlisting">typedef struct {
  GdkEventType type;
  GdkWindow *window;
  gint8 send_event;
  GdkVisibilityState state;
} GdkEventVisibility;
</pre>
<p>
Generated when the window visibility status has changed.
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<td><p><span class="term"><a class="link" href="gdk-Events.html#GdkEventType">GdkEventType</a>&#160;<em class="structfield"><code>type</code></em>;</span></p></td>
<td>the type of the event (<a class="link" href="gdk-Events.html#GDK-VISIBILITY-NOTIFY:CAPS"><code class="literal">GDK_VISIBILITY_NOTIFY</code></a>).
</td>
</tr>
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<td><p><span class="term"><a class="link" href="gdk-Windows.html#GdkWindow">GdkWindow</a>&#160;*<em class="structfield"><code>window</code></em>;</span></p></td>
<td>the window which received the event.
</td>
</tr>
<tr>
<td><p><span class="term"><a
href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gint8"
>gint8</a>&#160;<em class="structfield"><code>send_event</code></em>;</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 event was sent explicitly (e.g. using 
<code class="function">XSendEvent</code>).
</td>
</tr>
<tr>
<td><p><span class="term"><a class="link" href="gdk-Event-Structures.html#GdkVisibilityState">GdkVisibilityState</a>&#160;<em class="structfield"><code>state</code></em>;</span></p></td>
<td>the new visibility state (<a class="link" href="gdk-Event-Structures.html#GDK-VISIBILITY-FULLY-OBSCURED:CAPS"><code class="literal">GDK_VISIBILITY_FULLY_OBSCURED</code></a>,
<a class="link" href="gdk-Event-Structures.html#GDK-VISIBILITY-PARTIAL:CAPS"><code class="literal">GDK_VISIBILITY_PARTIAL</code></a> or <a class="link" href="gdk-Event-Structures.html#GDK-VISIBILITY-UNOBSCURED:CAPS"><code class="literal">GDK_VISIBILITY_UNOBSCURED</code></a>).

</td>
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</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" lang="en">
<a name="id3240988"></a><h3>
<a name="GdkEventCrossing"></a>GdkEventCrossing</h3>
<a class="indexterm" name="id3241001"></a><pre class="programlisting">typedef struct {
  GdkEventType type;
  GdkWindow *window;
  gint8 send_event;
  GdkWindow *subwindow;
  guint32 time;
  gdouble x;
  gdouble y;
  gdouble x_root;
  gdouble y_root;
  GdkCrossingMode mode;
  GdkNotifyType detail;
  gboolean focus;
  guint state;
} GdkEventCrossing;
</pre>
<p>
Generated when the pointer enters or leaves a window.
</p>
<div class="variablelist"><table border="0">
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<td><p><span class="term"><a class="link" href="gdk-Events.html#GdkEventType">GdkEventType</a>&#160;<em class="structfield"><code>type</code></em>;</span></p></td>
<td>the type of the event (<a class="link" href="gdk-Events.html#GDK-ENTER-NOTIFY:CAPS"><code class="literal">GDK_ENTER_NOTIFY</code></a> or <a class="link" href="gdk-Events.html#GDK-LEAVE-NOTIFY:CAPS"><code class="literal">GDK_LEAVE_NOTIFY</code></a>).
</td>
</tr>
<tr>
<td><p><span class="term"><a class="link" href="gdk-Windows.html#GdkWindow">GdkWindow</a>&#160;*<em class="structfield"><code>window</code></em>;</span></p></td>
<td>the window which received the event.
</td>
</tr>
<tr>
<td><p><span class="term"><a
href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gint8"
>gint8</a>&#160;<em class="structfield"><code>send_event</code></em>;</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 event was sent explicitly (e.g. using 
<code class="function">XSendEvent</code>).
</td>
</tr>
<tr>
<td><p><span class="term"><a class="link" href="gdk-Windows.html#GdkWindow">GdkWindow</a>&#160;*<em class="structfield"><code>subwindow</code></em>;</span></p></td>
<td>the window that was entered or left.
</td>
</tr>
<tr>
<td><p><span class="term"><a
href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint32"
>guint32</a>&#160;<em class="structfield"><code>time</code></em>;</span></p></td>
<td>the time of the event in milliseconds.
</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>x</code></em>;</span></p></td>
<td>the x coordinate of the pointer relative to the window.
</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>y</code></em>;</span></p></td>
<td>the y coordinate of the pointer relative to the window.
</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>x_root</code></em>;</span></p></td>
<td>the x coordinate of the pointer relative to the root of the screen.
</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>y_root</code></em>;</span></p></td>
<td>the y coordinate of the pointer relative to the root of the screen.
</td>
</tr>
<tr>
<td><p><span class="term"><a class="link" href="gdk-Event-Structures.html#GdkCrossingMode">GdkCrossingMode</a>&#160;<em class="structfield"><code>mode</code></em>;</span></p></td>
<td>the crossing mode (<a class="link" href="gdk-Event-Structures.html#GDK-CROSSING-NORMAL:CAPS"><code class="literal">GDK_CROSSING_NORMAL</code></a>, <a class="link" href="gdk-Event-Structures.html#GDK-CROSSING-GRAB:CAPS"><code class="literal">GDK_CROSSING_GRAB</code></a> or
  <a class="link" href="gdk-Event-Structures.html#GDK-CROSSING-UNGRAB:CAPS"><code class="literal">GDK_CROSSING_UNGRAB</code></a>).
</td>
</tr>
<tr>
<td><p><span class="term"><a class="link" href="gdk-Event-Structures.html#GdkNotifyType">GdkNotifyType</a>&#160;<em class="structfield"><code>detail</code></em>;</span></p></td>
<td>the kind of crossing that happened (<a class="link" href="gdk-Event-Structures.html#GDK-NOTIFY-INFERIOR:CAPS"><code class="literal">GDK_NOTIFY_INFERIOR</code></a>,
  <a class="link" href="gdk-Event-Structures.html#GDK-NOTIFY-ANCESTOR:CAPS"><code class="literal">GDK_NOTIFY_ANCESTOR</code></a>, <a class="link" href="gdk-Event-Structures.html#GDK-NOTIFY-VIRTUAL:CAPS"><code class="literal">GDK_NOTIFY_VIRTUAL</code></a>, <a class="link" href="gdk-Event-Structures.html#GDK-NOTIFY-NONLINEAR:CAPS"><code class="literal">GDK_NOTIFY_NONLINEAR</code></a> or
  <a class="link" href="gdk-Event-Structures.html#GDK-NOTIFY-NONLINEAR-VIRTUAL:CAPS"><code class="literal">GDK_NOTIFY_NONLINEAR_VIRTUAL</code></a>).
</td>
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