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<h1>GFC::Gdk::Event Class Reference</h1>The <a class="el" href="classGFC_1_1Gdk_1_1Event.html">Event</a> object represents a GdkEvent.
<a href="#_details">More...</a>
<p>
<code>#include <<a class="el" href="events_8hh-source.html">gfc/gdk/events.hh</a>></code>
<p>
<p>Inheritance diagram for GFC::Gdk::Event:
<p><center><img src="classGFC_1_1Gdk_1_1Event.png" usemap="#GFC::Gdk::Event_map" border="0" alt=""></center>
<map name="GFC::Gdk::Event_map">
<area doxygen="gfccore.tag:" href="classGFC_1_1G_1_1Boxed.html" alt="GFC::G::Boxed" shape="rect" coords="0,112,176,136">
<area doxygen="gfccore.tag:" href="classGFC_1_1Object.html" alt="GFC::Object" shape="rect" coords="0,56,176,80">
<area doxygen="gfccore.tag:" href="classGFC_1_1Trackable.html" alt="GFC::Trackable" shape="rect" coords="0,0,176,24">
<area href="classGFC_1_1Gdk_1_1EventAny.html" alt="GFC::Gdk::EventAny" shape="rect" coords="0,224,176,248">
<area href="classGFC_1_1Gdk_1_1EventButton.html" alt="GFC::Gdk::EventButton" shape="rect" coords="186,280,362,304">
<area href="classGFC_1_1Gdk_1_1EventClient.html" alt="GFC::Gdk::EventClient" shape="rect" coords="186,336,362,360">
<area href="classGFC_1_1Gdk_1_1EventConfigure.html" alt="GFC::Gdk::EventConfigure" shape="rect" coords="186,392,362,416">
<area href="classGFC_1_1Gdk_1_1EventCrossing.html" alt="GFC::Gdk::EventCrossing" shape="rect" coords="186,448,362,472">
<area href="classGFC_1_1Gdk_1_1EventDND.html" alt="GFC::Gdk::EventDND" shape="rect" coords="186,504,362,528">
<area href="classGFC_1_1Gdk_1_1EventExpose.html" alt="GFC::Gdk::EventExpose" shape="rect" coords="186,560,362,584">
<area href="classGFC_1_1Gdk_1_1EventFocus.html" alt="GFC::Gdk::EventFocus" shape="rect" coords="186,616,362,640">
<area href="classGFC_1_1Gdk_1_1EventKey.html" alt="GFC::Gdk::EventKey" shape="rect" coords="186,672,362,696">
<area href="classGFC_1_1Gdk_1_1EventMotion.html" alt="GFC::Gdk::EventMotion" shape="rect" coords="186,728,362,752">
<area href="classGFC_1_1Gdk_1_1EventProperty.html" alt="GFC::Gdk::EventProperty" shape="rect" coords="186,784,362,808">
<area href="classGFC_1_1Gdk_1_1EventProximity.html" alt="GFC::Gdk::EventProximity" shape="rect" coords="186,840,362,864">
<area href="classGFC_1_1Gdk_1_1EventScroll.html" alt="GFC::Gdk::EventScroll" shape="rect" coords="186,896,362,920">
<area href="classGFC_1_1Gdk_1_1EventSelection.html" alt="GFC::Gdk::EventSelection" shape="rect" coords="186,952,362,976">
<area href="classGFC_1_1Gdk_1_1EventSetting.html" alt="GFC::Gdk::EventSetting" shape="rect" coords="186,1008,362,1032">
<area href="classGFC_1_1Gdk_1_1EventVisibility.html" alt="GFC::Gdk::EventVisibility" shape="rect" coords="186,1064,362,1088">
<area href="classGFC_1_1Gdk_1_1EventWindowState.html" alt="GFC::Gdk::EventWindowState" shape="rect" coords="186,1120,362,1144">
</map>
<a href="classGFC_1_1Gdk_1_1Event-members.html">List of all members.</a><h2>Public Member Functions</h2>
<tr><td colspan="2"><div class="groupHeader">Constructors</div></td></tr>
<ul>
<li><a class="el" href="classGFC_1_1Gdk_1_1Event.html#z138_0">Event</a> (<a class="el" href="namespaceGFC_1_1Gdk.html#a258">EventType</a> type)
<dl class="el"><dd class="mdescRight">Construct a new event of the specified type. <a href="#z138_0"></a><br></dl><li><a class="el" href="classGFC_1_1Gdk_1_1Event.html#z138_1">Event</a> (GdkEvent *event)
<dl class="el"><dd class="mdescRight">Construct a new event from an existing GdkEvent. <a href="#z138_1"></a><br></dl><li><a class="el" href="classGFC_1_1Gdk_1_1Event.html#z138_2">Event</a> (GdkEvent *event, bool <a class="elRef" doxygen="gfccore.tag:" href="classGFC_1_1G_1_1Boxed.html#z5_0">copy</a>)
<dl class="el"><dd class="mdescRight">Construct a new event from an existing GdkEvent. <a href="#z138_2"></a><br></dl><li><a class="el" href="classGFC_1_1Gdk_1_1Event.html#z138_3">Event</a> (const <a class="el" href="classGFC_1_1Gdk_1_1Event.html">Event</a> &src)
<dl class="el"><dd class="mdescRight">Copy constructor. <a href="#z138_3"></a><br></dl><li><a class="anchor" name="z138_4" doxytag="GFC::Gdk::Event::~Event" ></a>
<a class="el" href="classGFC_1_1Gdk_1_1Event.html#z138_4">~Event</a> ()
<dl class="el"><dd class="mdescRight">Destructor. <br></dl><li><a class="el" href="classGFC_1_1Gdk_1_1Event.html">Event</a> & <a class="el" href="classGFC_1_1Gdk_1_1Event.html#z138_5">operator=</a> (const <a class="el" href="classGFC_1_1Gdk_1_1Event.html">Event</a> &src)
<dl class="el"><dd class="mdescRight">Assignment operator. <a href="#z138_5"></a><br></dl></ul>
<tr><td colspan="2"><div class="groupHeader">Accessors</div></td></tr>
<ul>
<li><a class="anchor" name="z139_0" doxytag="GFC::Gdk::Event::gdk_event" ></a>
GdkEvent * <a class="el" href="classGFC_1_1Gdk_1_1Event.html#z139_0">gdk_event</a> () const
<dl class="el"><dd class="mdescRight">Get a pointer to the GdkEvent structure. <br></dl><li><a class="anchor" name="z139_1" doxytag="GFC::Gdk::Event::operator GdkEvent *" ></a>
<a class="el" href="classGFC_1_1Gdk_1_1Event.html#z139_1">operator GdkEvent *</a> () const
<dl class="el"><dd class="mdescRight">Conversion operator; safely converts a <a class="el" href="classGFC_1_1Gdk_1_1Event.html">Event</a> to a GdkEvent pointer. <br></dl><li><a class="anchor" name="z139_2" doxytag="GFC::Gdk::Event::type" ></a>
<a class="el" href="namespaceGFC_1_1Gdk.html#a258">EventType</a> <a class="el" href="classGFC_1_1Gdk_1_1Event.html#z139_2">type</a> () const
<dl class="el"><dd class="mdescRight">Returns the type of the event;. <br></dl><li><a class="anchor" name="z139_3" doxytag="GFC::Gdk::Event::any" ></a>
<a class="el" href="classGFC_1_1Gdk_1_1EventAny.html">EventAny</a> * <a class="el" href="classGFC_1_1Gdk_1_1Event.html#z139_3">any</a> () const
<dl class="el"><dd class="mdescRight">Return this event as a pointer to an <a class="el" href="classGFC_1_1Gdk_1_1EventAny.html">EventAny</a>. <br></dl><li><a class="anchor" name="z139_4" doxytag="GFC::Gdk::Event::expose" ></a>
<a class="el" href="classGFC_1_1Gdk_1_1EventExpose.html">EventExpose</a> * <a class="el" href="classGFC_1_1Gdk_1_1Event.html#z139_4">expose</a> () const
<dl class="el"><dd class="mdescRight">If this is a "expose" event, returns a pointer to the <a class="el" href="classGFC_1_1Gdk_1_1EventExpose.html">EventExpose</a>, otherwise returns null. <br></dl><li><a class="anchor" name="z139_5" doxytag="GFC::Gdk::Event::visibility" ></a>
<a class="el" href="classGFC_1_1Gdk_1_1EventVisibility.html">EventVisibility</a> * <a class="el" href="classGFC_1_1Gdk_1_1Event.html#z139_5">visibility</a> () const
<dl class="el"><dd class="mdescRight">If this is a "visibility-notify" event, returns a pointer to the <a class="el" href="classGFC_1_1Gdk_1_1EventVisibility.html">EventVisibility</a>, otherwise returns null. <br></dl><li><a class="anchor" name="z139_6" doxytag="GFC::Gdk::Event::motion" ></a>
<a class="el" href="classGFC_1_1Gdk_1_1EventMotion.html">EventMotion</a> * <a class="el" href="classGFC_1_1Gdk_1_1Event.html#z139_6">motion</a> () const
<dl class="el"><dd class="mdescRight">If this is a "motion-notify" event, returns a pointer to the <a class="el" href="classGFC_1_1Gdk_1_1EventMotion.html">EventMotion</a>, otherwise returns null. <br></dl><li><a class="anchor" name="z139_7" doxytag="GFC::Gdk::Event::button" ></a>
<a class="el" href="classGFC_1_1Gdk_1_1EventButton.html">EventButton</a> * <a class="el" href="classGFC_1_1Gdk_1_1Event.html#z139_7">button</a> () const
<dl class="el"><dd class="mdescRight">If this is a "button-press" or "button-release" event, returns a pointer to the <a class="el" href="classGFC_1_1Gdk_1_1EventButton.html">EventButton</a>, otherwise returns null. <br></dl><li><a class="anchor" name="z139_8" doxytag="GFC::Gdk::Event::scroll" ></a>
<a class="el" href="classGFC_1_1Gdk_1_1EventScroll.html">EventScroll</a> * <a class="el" href="classGFC_1_1Gdk_1_1Event.html#z139_8">scroll</a> () const
<dl class="el"><dd class="mdescRight">If this is a "scroll" event, returns a pointer to the <a class="el" href="classGFC_1_1Gdk_1_1EventScroll.html">EventScroll</a>, otherwise returns null. <br></dl><li><a class="anchor" name="z139_9" doxytag="GFC::Gdk::Event::key" ></a>
<a class="el" href="classGFC_1_1Gdk_1_1EventKey.html">EventKey</a> * <a class="el" href="classGFC_1_1Gdk_1_1Event.html#z139_9">key</a> () const
<dl class="el"><dd class="mdescRight">If this is a "key-press" or "key-release" event, returns a pointer to the <a class="el" href="classGFC_1_1Gdk_1_1EventKey.html">EventKey</a>, otherwise returns null. <br></dl><li><a class="anchor" name="z139_10" doxytag="GFC::Gdk::Event::crossing" ></a>
<a class="el" href="classGFC_1_1Gdk_1_1EventCrossing.html">EventCrossing</a> * <a class="el" href="classGFC_1_1Gdk_1_1Event.html#z139_10">crossing</a> () const
<dl class="el"><dd class="mdescRight">If this is an "enter-notify" or "leave-notify" event, returns a pointer to the <a class="el" href="classGFC_1_1Gdk_1_1EventCrossing.html">EventCrossing</a>, otherwise returns null. <br></dl><li><a class="anchor" name="z139_11" doxytag="GFC::Gdk::Event::focus_change" ></a>
<a class="el" href="classGFC_1_1Gdk_1_1EventFocus.html">EventFocus</a> * <a class="el" href="classGFC_1_1Gdk_1_1Event.html#z139_11">focus_change</a> () const
<dl class="el"><dd class="mdescRight">If this is a "focus-change" event, returns a pointer to the <a class="el" href="classGFC_1_1Gdk_1_1EventFocus.html">EventFocus</a>, otherwise returns null. <br></dl><li><a class="anchor" name="z139_12" doxytag="GFC::Gdk::Event::configure" ></a>
<a class="el" href="classGFC_1_1Gdk_1_1EventConfigure.html">EventConfigure</a> * <a class="el" href="classGFC_1_1Gdk_1_1Event.html#z139_12">configure</a> () const
<dl class="el"><dd class="mdescRight">If this is a "configure" event, returns a pointer to the <a class="el" href="classGFC_1_1Gdk_1_1EventConfigure.html">EventConfigure</a>, otherwise returns null. <br></dl><li><a class="anchor" name="z139_13" doxytag="GFC::Gdk::Event::property" ></a>
<a class="el" href="classGFC_1_1Gdk_1_1EventProperty.html">EventProperty</a> * <a class="el" href="classGFC_1_1Gdk_1_1Event.html#z139_13">property</a> () const
<dl class="el"><dd class="mdescRight">If this is a "property-notify" event, returns a pointer to the <a class="el" href="classGFC_1_1Gdk_1_1EventProperty.html">EventProperty</a>, otherwise returns null. <br></dl><li><a class="anchor" name="z139_14" doxytag="GFC::Gdk::Event::selection" ></a>
<a class="el" href="classGFC_1_1Gdk_1_1EventSelection.html">EventSelection</a> * <a class="el" href="classGFC_1_1Gdk_1_1Event.html#z139_14">selection</a> () const
<dl class="el"><dd class="mdescRight">If this is a "selection" event, returns a pointer to the <a class="el" href="classGFC_1_1Gdk_1_1EventSelection.html">EventSelection</a>, otherwise returns null. <br></dl><li><a class="anchor" name="z139_15" doxytag="GFC::Gdk::Event::proximity" ></a>
<a class="el" href="classGFC_1_1Gdk_1_1EventProximity.html">EventProximity</a> * <a class="el" href="classGFC_1_1Gdk_1_1Event.html#z139_15">proximity</a> () const
<dl class="el"><dd class="mdescRight">If this is an "proximity-in" or "proximity-out" event, returns a pointer to the <a class="el" href="classGFC_1_1Gdk_1_1EventProximity.html">EventProximity</a>, otherwise returns null. <br></dl><li><a class="anchor" name="z139_16" doxytag="GFC::Gdk::Event::client" ></a>
<a class="el" href="classGFC_1_1Gdk_1_1EventClient.html">EventClient</a> * <a class="el" href="classGFC_1_1Gdk_1_1Event.html#z139_16">client</a> () const
<dl class="el"><dd class="mdescRight">If this is a "client" event, returns a pointer to the <a class="el" href="classGFC_1_1Gdk_1_1EventClient.html">EventClient</a>, otherwise returns null. <br></dl><li><a class="anchor" name="z139_17" doxytag="GFC::Gdk::Event::setting" ></a>
<a class="el" href="classGFC_1_1Gdk_1_1EventSetting.html">EventSetting</a> * <a class="el" href="classGFC_1_1Gdk_1_1Event.html#z139_17">setting</a> () const
<dl class="el"><dd class="mdescRight">If this is a "setting" event, returns a pointer to the <a class="el" href="classGFC_1_1Gdk_1_1EventSetting.html">EventSetting</a>, otherwise returns null. <br></dl><li><a class="anchor" name="z139_18" doxytag="GFC::Gdk::Event::window_state" ></a>
<a class="el" href="classGFC_1_1Gdk_1_1EventWindowState.html">EventWindowState</a> * <a class="el" href="classGFC_1_1Gdk_1_1Event.html#z139_18">window_state</a> () const
<dl class="el"><dd class="mdescRight">If this is a "window-state" event, returns a pointer to the <a class="el" href="classGFC_1_1Gdk_1_1EventWindowState.html">EventWindowState</a>, otherwise returns null. <br></dl><li><a class="anchor" name="z139_19" doxytag="GFC::Gdk::Event::dnd" ></a>
<a class="el" href="classGFC_1_1Gdk_1_1EventDND.html">EventDND</a> * <a class="el" href="classGFC_1_1Gdk_1_1Event.html#z139_19">dnd</a> () const
<dl class="el"><dd class="mdescRight">If this is an "drag" or "drop" event, returns a pointer to the <a class="el" href="classGFC_1_1Gdk_1_1EventDND.html">EventDND</a>, otherwise returns null. <br></dl><li>unsigned int <a class="el" href="classGFC_1_1Gdk_1_1Event.html#z139_20">get_time</a> () const
<dl class="el"><dd class="mdescRight">Returns the time stamp of the event, if there is one; otherwise returns GDK_CURRENT_TIME. <a href="#z139_20"></a><br></dl><li>bool <a class="el" href="classGFC_1_1Gdk_1_1Event.html#z139_21">get_state</a> (<a class="el" href="namespaceGFC_1_1Gdk.html#a136">ModifierTypeField</a> *state) const
<dl class="el"><dd class="mdescRight">If the event contains a "state" field, puts that field in state; otherwise stores an empty state (0). <a href="#z139_21"></a><br></dl><li>bool <a class="el" href="classGFC_1_1Gdk_1_1Event.html#z139_22">get_axis</a> (<a class="el" href="namespaceGFC_1_1Gdk.html#a278">AxisUse</a> axis_use, double *value) const
<dl class="el"><dd class="mdescRight">Extract the axis value for a particular axis use from an event structure. <a href="#z139_22"></a><br></dl><li>bool <a class="el" href="classGFC_1_1Gdk_1_1Event.html#z139_23">get_coords</a> (double *x_win, double *y_win) const
<dl class="el"><dd class="mdescRight">Extract the event window relative x/y coordinates from the event. <a href="#z139_23"></a><br></dl><li>bool <a class="el" href="classGFC_1_1Gdk_1_1Event.html#z139_24">get_root_coords</a> (double *x_root, double *y_root) const
<dl class="el"><dd class="mdescRight">Extract the root window relative x/y coordinates from the event. <a href="#z139_24"></a><br></dl><li><a class="el" href="classGFC_1_1Gdk_1_1Screen.html">Screen</a> * <a class="el" href="classGFC_1_1Gdk_1_1Event.html#z139_25">get_screen</a> () const
<dl class="el"><dd class="mdescRight">Returns the screen for the event. <a href="#z139_25"></a><br></dl></ul>
<tr><td colspan="2"><div class="groupHeader">Methods</div></td></tr>
<ul>
<li><a class="anchor" name="z140_0" doxytag="GFC::Gdk::Event::put" ></a>
void <a class="el" href="classGFC_1_1Gdk_1_1Event.html#z140_0">put</a> ()
<dl class="el"><dd class="mdescRight">Appends a copy of this event onto the front of the event queue for <a class="el" href="classGFC_1_1Gdk_1_1Event.html#z139_3">any()</a>->window()'s display, or the default event queue if <a class="el" href="classGFC_1_1Gdk_1_1Event.html#z139_3">any()</a>->window() is null (see <a class="el" href="classGFC_1_1Gdk_1_1Display.html#z116_8">Gdk::Display::put_event()</a>). <br></dl><li>bool <a class="el" href="classGFC_1_1Gdk_1_1Event.html#z140_1">send_client_message</a> (GdkNativeWindow winid, const <a class="el" href="classGFC_1_1Gdk_1_1Display.html">Display</a> *display=0)
<dl class="el"><dd class="mdescRight">Sends an X ClientMessage event to a given window. <a href="#z140_1"></a><br></dl><li>void <a class="el" href="classGFC_1_1Gdk_1_1Event.html#z140_2">send_clientmessage_toall</a> ()
<dl class="el"><dd class="mdescRight">Sends an X ClientMessage event to all toplevel windows on the default <a class="el" href="classGFC_1_1Gdk_1_1Screen.html">Screen</a>. <a href="#z140_2"></a><br></dl><li>void <a class="el" href="classGFC_1_1Gdk_1_1Event.html#z140_3">set_screen</a> (<a class="el" href="classGFC_1_1Gdk_1_1Screen.html">Screen</a> &screen)
<dl class="el"><dd class="mdescRight">Sets the screen for event to screen. <a href="#z140_3"></a><br></dl></ul>
<h2>Static Public Member Functions</h2>
<ul>
<li><a class="elRef" doxygen="gfccore.tag:" href="classGFC_1_1Pointer.html">Pointer</a>< <a class="el" href="classGFC_1_1Gdk_1_1Event.html">Event</a> > <a class="el" href="classGFC_1_1Gdk_1_1Event.html#e0">get</a> ()
<dl class="el"><dd class="mdescRight">Checks all open displays for an event to process, fetching events from the windowing system if necessary (see <a class="el" href="classGFC_1_1Gdk_1_1Display.html#z116_6">Gdk::Display::get_event()</a>). <a href="#e0"></a><br></dl><li><a class="elRef" doxygen="gfccore.tag:" href="classGFC_1_1Pointer.html">Pointer</a>< <a class="el" href="classGFC_1_1Gdk_1_1EventExpose.html">EventExpose</a> > <a class="el" href="classGFC_1_1Gdk_1_1Event.html#e1">get_graphics_expose</a> (const <a class="el" href="classGFC_1_1Gdk_1_1Window.html">Window</a> &window)
<dl class="el"><dd class="mdescRight">Waits for a GraphicsExpose or NoExpose event from the X server. <a href="#e1"></a><br></dl><li><a class="elRef" doxygen="gfccore.tag:" href="classGFC_1_1Pointer.html">Pointer</a>< <a class="el" href="classGFC_1_1Gdk_1_1Event.html">Event</a> > <a class="el" href="classGFC_1_1Gdk_1_1Event.html#e2">peek</a> ()
<dl class="el"><dd class="mdescRight">If there is an event waiting in the event queue of some open display, returns a wrapped copy of it (see <a class="el" href="classGFC_1_1Gdk_1_1Display.html#z116_7">Gdk::Display::peek_event()</a>). <a href="#e2"></a><br></dl></ul>
<hr><a name="_details"></a><h2>Detailed Description</h2>
The <a class="el" href="classGFC_1_1Gdk_1_1Event.html">Event</a> object represents a GdkEvent.
<p>
<a class="el" href="classGFC_1_1Gdk_1_1Event.html">Event</a> is the base class from which all event objects are derived. <a class="el" href="classGFC_1_1Gdk_1_1Event.html">Event</a> doesn't have a virtual destructor because it's not meant to be used to derive suclasses, other than the ones derived by <a class="elRef" doxygen="gfccore.tag:" href="namespaceGFC.html">GFC</a>.
<p>
<hr><h2>Constructor & Destructor Documentation</h2>
<a class="anchor" name="z138_0" doxytag="GFC::Gdk::Event::Event" ></a><p>
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<td class="md" nowrap valign="top"> GFC::Gdk::Event::Event </td>
<td class="md" valign="top">( </td>
<td class="md" nowrap valign="top"><a class="el" href="namespaceGFC_1_1Gdk.html#a258">EventType</a> </td>
<td class="mdname1" valign="top" nowrap> <em>type</em> </td>
<td class="md" valign="top"> ) </td>
<td class="md" nowrap><code> [explicit]</code></td>
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</td>
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<td>
</td>
<td>
<p>
Construct a new event of the specified type.
<p>
<dl compact><dt><b>Parameters:</b></dt><dd>
<table border="0" cellspacing="2" cellpadding="0">
<tr><td></td><td valign=top><em>type</em> </td><td>The EventType. </td></tr>
</table>
</dl>
</td>
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<a class="anchor" name="z138_1" doxytag="GFC::Gdk::Event::Event" ></a><p>
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<td class="md" nowrap valign="top"> GFC::Gdk::Event::Event </td>
<td class="md" valign="top">( </td>
<td class="md" nowrap valign="top">GdkEvent * </td>
<td class="mdname1" valign="top" nowrap> <em>event</em> </td>
<td class="md" valign="top"> ) </td>
<td class="md" nowrap><code> [explicit]</code></td>
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</td>
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<td>
</td>
<td>
<p>
Construct a new event from an existing GdkEvent.
<p>
<dl compact><dt><b>Parameters:</b></dt><dd>
<table border="0" cellspacing="2" cellpadding="0">
<tr><td></td><td valign=top><em>event</em> </td><td>A pointer to a GdkEvent.</td></tr>
</table>
</dl>
<br>
The <em>event</em> can be a newly created GdkEvent or an existing GdkEvent. The <a class="el" href="classGFC_1_1Gdk_1_1Event.html">Event</a> object created is a temporary object. It doesn't take over the ownership of GdkEvent and GdkEvent is not freed by the destructor. </td>
</tr>
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<a class="anchor" name="z138_2" doxytag="GFC::Gdk::Event::Event" ></a><p>
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<td class="md" nowrap valign="top"> GFC::Gdk::Event::Event </td>
<td class="md" valign="top">( </td>
<td class="md" nowrap valign="top">GdkEvent * </td>
<td class="mdname" nowrap> <em>event</em>, </td>
</tr>
<tr>
<td class="md" nowrap align="right"></td>
<td></td>
<td class="md" nowrap>bool </td>
<td class="mdname" nowrap> <em>copy</em></td>
</tr>
<tr>
<td></td>
<td class="md">) </td>
<td class="md" colspan="2"></td>
</tr>
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</td>
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<td>
</td>
<td>
<p>
Construct a new event from an existing GdkEvent.
<p>
<dl compact><dt><b>Parameters:</b></dt><dd>
<table border="0" cellspacing="2" cellpadding="0">
<tr><td></td><td valign=top><em>event</em> </td><td>A pointer to a GdkEvent. </td></tr>
<tr><td></td><td valign=top><em>copy</em> </td><td>Whether the <a class="el" href="classGFC_1_1Gdk_1_1Color.html">Color</a> object should make a copy of GdkEvent or not.</td></tr>
</table>
</dl>
<br>
The <em>event</em> can be a newly created GdkEvent or an existing GdkEvent. If <em>copy</em> is true <a class="el" href="classGFC_1_1Gdk_1_1Event.html">Event</a> will make a copy of GdkEvent. If <em>copy</em> is false <a class="el" href="classGFC_1_1Gdk_1_1Event.html">Event</a> wont make a copy but instead takes over the ownership of GdkEvent. Either way, the destructor will free GdkEvent when the <a class="el" href="classGFC_1_1Gdk_1_1Event.html">Event</a> object is destroyed. This constructor is used by <a class="elRef" doxygen="gfccore.tag:" href="classGFC_1_1G_1_1Boxed.html#z6_0">G::Boxed::wrap()</a> to wrap GdkEvent objects in a C++ wrapper. </td>
</tr>
</table>
<a class="anchor" name="z138_3" doxytag="GFC::Gdk::Event::Event" ></a><p>
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<td class="md" nowrap valign="top"> GFC::Gdk::Event::Event </td>
<td class="md" valign="top">( </td>
<td class="md" nowrap valign="top">const <a class="el" href="classGFC_1_1Gdk_1_1Event.html">Event</a> & </td>
<td class="mdname1" valign="top" nowrap> <em>src</em> </td>
<td class="md" valign="top"> ) </td>
<td class="md" nowrap></td>
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</td>
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<td>
</td>
<td>
<p>
Copy constructor.
<p>
<dl compact><dt><b>Parameters:</b></dt><dd>
<table border="0" cellspacing="2" cellpadding="0">
<tr><td></td><td valign=top><em>src</em> </td><td>The source event. </td></tr>
</table>
</dl>
</td>
</tr>
</table>
<hr><h2>Member Function Documentation</h2>
<a class="anchor" name="e0" doxytag="GFC::Gdk::Event::get" ></a><p>
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<td class="md" nowrap valign="top"> <a class="elRef" doxygen="gfccore.tag:" href="classGFC_1_1Pointer.html">Pointer</a><<a class="el" href="classGFC_1_1Gdk_1_1Event.html">Event</a>> GFC::Gdk::Event::get </td>
<td class="md" valign="top">( </td>
<td class="mdname1" valign="top" nowrap> </td>
<td class="md" valign="top"> ) </td>
<td class="md" nowrap><code> [static]</code></td>
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</td>
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<td>
</td>
<td>
<p>
Checks all open displays for an event to process, fetching events from the windowing system if necessary (see <a class="el" href="classGFC_1_1Gdk_1_1Display.html#z116_6">Gdk::Display::get_event()</a>).
<p>
<dl compact><dt><b>Returns:</b></dt><dd>A smart pointer to the next event to be processed, or null if no events are pending. </dd></dl>
</td>
</tr>
</table>
<a class="anchor" name="z139_22" doxytag="GFC::Gdk::Event::get_axis" ></a><p>
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<td class="md" nowrap valign="top"> bool GFC::Gdk::Event::get_axis </td>
<td class="md" valign="top">( </td>
<td class="md" nowrap valign="top"><a class="el" href="namespaceGFC_1_1Gdk.html#a278">AxisUse</a> </td>
<td class="mdname" nowrap> <em>axis_use</em>, </td>
</tr>
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<td class="md" nowrap align="right"></td>
<td></td>
<td class="md" nowrap>double * </td>
<td class="mdname" nowrap> <em>value</em></td>
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<td></td>
<td class="md">) </td>
<td class="md" colspan="2"> const</td>
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</td>
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<p>
Extract the axis value for a particular axis use from an event structure.
<p>
<dl compact><dt><b>Parameters:</b></dt><dd>
<table border="0" cellspacing="2" cellpadding="0">
<tr><td></td><td valign=top><em>axis_use</em> </td><td>The axis use to look for. </td></tr>
<tr><td></td><td valign=top><em>value</em> </td><td>The location to store the value found. </td></tr>
</table>
</dl>
<dl compact><dt><b>Returns:</b></dt><dd><em>true</em> if the specified axis was found, otherwise <em>false</em>. </dd></dl>
</td>
</tr>
</table>
<a class="anchor" name="z139_23" doxytag="GFC::Gdk::Event::get_coords" ></a><p>
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<td class="md" nowrap valign="top"> bool GFC::Gdk::Event::get_coords </td>
<td class="md" valign="top">( </td>
<td class="md" nowrap valign="top">double * </td>
<td class="mdname" nowrap> <em>x_win</em>, </td>
</tr>
<tr>
<td class="md" nowrap align="right"></td>
<td></td>
<td class="md" nowrap>double * </td>
<td class="mdname" nowrap> <em>y_win</em></td>
</tr>
<tr>
<td></td>
<td class="md">) </td>
<td class="md" colspan="2"> const</td>
</tr>
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</td>
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<td>
</td>
<td>
<p>
Extract the event window relative x/y coordinates from the event.
<p>
<dl compact><dt><b>Parameters:</b></dt><dd>
<table border="0" cellspacing="2" cellpadding="0">
<tr><td></td><td valign=top><em>x_win</em> </td><td>The location to put event window x coordinate. </td></tr>
<tr><td></td><td valign=top><em>y_win</em> </td><td>The location to put event window y coordinate. </td></tr>
</table>
</dl>
<dl compact><dt><b>Returns:</b></dt><dd><em>true</em> if the event delivered event window coordinates. </dd></dl>
</td>
</tr>
</table>
<a class="anchor" name="e1" doxytag="GFC::Gdk::Event::get_graphics_expose" ></a><p>
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<td class="md" nowrap valign="top"> <a class="elRef" doxygen="gfccore.tag:" href="classGFC_1_1Pointer.html">Pointer</a><<a class="el" href="classGFC_1_1Gdk_1_1EventExpose.html">EventExpose</a>> GFC::Gdk::Event::get_graphics_expose </td>
<td class="md" valign="top">( </td>
<td class="md" nowrap valign="top">const <a class="el" href="classGFC_1_1Gdk_1_1Window.html">Window</a> & </td>
<td class="mdname1" valign="top" nowrap> <em>window</em> </td>
<td class="md" valign="top"> ) </td>
<td class="md" nowrap><code> [static]</code></td>
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</td>
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<td>
</td>
<td>
<p>
Waits for a GraphicsExpose or NoExpose event from the X server.
<p>
<dl compact><dt><b>Returns:</b></dt><dd>An <a class="el" href="classGFC_1_1Gdk_1_1EventExpose.html">EventExpose</a> if a GraphicsExpose event was received, or null if a NoExpose event was received.</dd></dl>
<br>
This is used in the GtkText widget in GTK+ to make sure any GraphicsExpose events are handled before the widget is scrolled. </td>
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<a class="anchor" name="z139_24" doxytag="GFC::Gdk::Event::get_root_coords" ></a><p>
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<td class="md" nowrap valign="top"> bool GFC::Gdk::Event::get_root_coords </td>
<td class="md" valign="top">( </td>
<td class="md" nowrap valign="top">double * </td>
<td class="mdname" nowrap> <em>x_root</em>, </td>
</tr>
<tr>
<td class="md" nowrap align="right"></td>
<td></td>
<td class="md" nowrap>double * </td>
<td class="mdname" nowrap> <em>y_root</em></td>
</tr>
<tr>
<td></td>
<td class="md">) </td>
<td class="md" colspan="2"> const</td>
</tr>
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</td>
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<table cellspacing=5 cellpadding=0 border=0>
<tr>
<td>
</td>
<td>
<p>
Extract the root window relative x/y coordinates from the event.
<p>
<dl compact><dt><b>Parameters:</b></dt><dd>
<table border="0" cellspacing="2" cellpadding="0">
<tr><td></td><td valign=top><em>x_root</em> </td><td>The location to put root window x coordinate. </td></tr>
<tr><td></td><td valign=top><em>y_root</em> </td><td>The location to put root window y coordinate. </td></tr>
</table>
</dl>
<dl compact><dt><b>Returns:</b></dt><dd><em>true</em> if the event delivered root window coordinates. </dd></dl>
</td>
</tr>
</table>
<a class="anchor" name="z139_25" doxytag="GFC::Gdk::Event::get_screen" ></a><p>
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<td class="md" nowrap valign="top"> <a class="el" href="classGFC_1_1Gdk_1_1Screen.html">Screen</a>* GFC::Gdk::Event::get_screen </td>
<td class="md" valign="top">( </td>
<td class="mdname1" valign="top" nowrap> </td>
<td class="md" valign="top"> ) </td>
<td class="md" nowrap> const</td>
</tr>
</table>
</td>
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<table cellspacing=5 cellpadding=0 border=0>
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<td>
</td>
<td>
<p>
Returns the screen for the event.
<p>
<dl compact><dt><b>Returns:</b></dt><dd>The <a class="el" href="classGFC_1_1Gdk_1_1Screen.html">Screen</a> for the event.</dd></dl>
<br>
The screen is typically the screen for <a class="el" href="classGFC_1_1Gdk_1_1Event.html#z139_3">any()</a>->window(), but for events such as mouse events, it is the screen where the the pointer was when the event occurs. That is, the screen which has the root window to which <a class="el" href="classGFC_1_1Gdk_1_1Event.html#z139_6">motion()</a>->x_root and <a class="el" href="classGFC_1_1Gdk_1_1Event.html#z139_6">motion()</a>->y_root are relative. </td>
</tr>
</table>
<a class="anchor" name="z139_21" doxytag="GFC::Gdk::Event::get_state" ></a><p>
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<td class="md" nowrap valign="top"> bool GFC::Gdk::Event::get_state </td>
<td class="md" valign="top">( </td>
<td class="md" nowrap valign="top"><a class="el" href="namespaceGFC_1_1Gdk.html#a136">ModifierTypeField</a> * </td>
<td class="mdname1" valign="top" nowrap> <em>state</em> </td>
<td class="md" valign="top"> ) </td>
<td class="md" nowrap> const</td>
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</td>
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<p>
If the event contains a "state" field, puts that field in state; otherwise stores an empty state (0).
<p>
<dl compact><dt><b>Parameters:</b></dt><dd>
<table border="0" cellspacing="2" cellpadding="0">
<tr><td></td><td valign=top><em>state</em> </td><td>The return location for the state. </td></tr>
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</dl>
<dl compact><dt><b>Returns:</b></dt><dd><em>true</em> if there was a state field in the event.</dd></dl>
<br>
The event may be null, in which case it's treated as if the event had no state field. </td>
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<a class="anchor" name="z139_20" doxytag="GFC::Gdk::Event::get_time" ></a><p>
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<td class="md" nowrap valign="top"> unsigned int GFC::Gdk::Event::get_time </td>
<td class="md" valign="top">( </td>
<td class="mdname1" valign="top" nowrap> </td>
<td class="md" valign="top"> ) </td>
<td class="md" nowrap> const</td>
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<td>
<p>
Returns the time stamp of the event, if there is one; otherwise returns GDK_CURRENT_TIME.
<p>
<dl compact><dt><b>Returns:</b></dt><dd>The time stamp field from the event.</dd></dl>
<br>
If event is null, returns GDK_CURRENT_TIME. </td>
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<a class="anchor" name="z138_5" doxytag="GFC::Gdk::Event::operator=" ></a><p>
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<td class="md" nowrap valign="top"> <a class="el" href="classGFC_1_1Gdk_1_1Event.html">Event</a>& GFC::Gdk::Event::operator= </td>
<td class="md" valign="top">( </td>
<td class="md" nowrap valign="top">const <a class="el" href="classGFC_1_1Gdk_1_1Event.html">Event</a> & </td>
<td class="mdname1" valign="top" nowrap> <em>src</em> </td>
<td class="md" valign="top"> ) </td>
<td class="md" nowrap></td>
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</td>
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<td>
<p>
Assignment operator.
<p>
<dl compact><dt><b>Parameters:</b></dt><dd>
<table border="0" cellspacing="2" cellpadding="0">
<tr><td></td><td valign=top><em>src</em> </td><td>The source event. </td></tr>
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</dl>
</td>
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<a class="anchor" name="e2" doxytag="GFC::Gdk::Event::peek" ></a><p>
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<td class="md" nowrap valign="top"> <a class="elRef" doxygen="gfccore.tag:" href="classGFC_1_1Pointer.html">Pointer</a><<a class="el" href="classGFC_1_1Gdk_1_1Event.html">Event</a>> GFC::Gdk::Event::peek </td>
<td class="md" valign="top">( </td>
<td class="mdname1" valign="top" nowrap> </td>
<td class="md" valign="top"> ) </td>
<td class="md" nowrap><code> [static]</code></td>
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</td>
<td>
<p>
If there is an event waiting in the event queue of some open display, returns a wrapped copy of it (see <a class="el" href="classGFC_1_1Gdk_1_1Display.html#z116_7">Gdk::Display::peek_event()</a>).
<p>
<dl compact><dt><b>Returns:</b></dt><dd>A smart pointer to a newly allocated <a class="el" href="classGFC_1_1Gdk_1_1Event.html">Event</a>, or null if no events are in any queues. </dd></dl>
</td>
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<a class="anchor" name="z140_1" doxytag="GFC::Gdk::Event::send_client_message" ></a><p>
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<td class="md" nowrap valign="top"> bool GFC::Gdk::Event::send_client_message </td>
<td class="md" valign="top">( </td>
<td class="md" nowrap valign="top">GdkNativeWindow </td>
<td class="mdname" nowrap> <em>winid</em>, </td>
</tr>
<tr>
<td class="md" nowrap align="right"></td>
<td></td>
<td class="md" nowrap>const <a class="el" href="classGFC_1_1Gdk_1_1Display.html">Display</a> * </td>
<td class="mdname" nowrap> <em>display</em> = <code>0</code></td>
</tr>
<tr>
<td></td>
<td class="md">) </td>
<td class="md" colspan="2"></td>
</tr>
</table>
</td>
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<table cellspacing=5 cellpadding=0 border=0>
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<td>
</td>
<td>
<p>
Sends an X ClientMessage event to a given window.
<p>
<dl compact><dt><b>Parameters:</b></dt><dd>
<table border="0" cellspacing="2" cellpadding="0">
<tr><td></td><td valign=top><em>display</em> </td><td>The <a class="el" href="classGFC_1_1Gdk_1_1Display.html">Display</a> for the window where the message is to be sent, or null for the default display. </td></tr>
<tr><td></td><td valign=top><em>winid</em> </td><td>The window to send the X ClientMessage event to. </td></tr>
</table>
</dl>
<dl compact><dt><b>Returns:</b></dt><dd><em>true</em> on success, <em>false</em> on failure or if the event is not an <a class="el" href="classGFC_1_1Gdk_1_1EventClient.html">EventClient</a>.</dd></dl>
<br>
This could be used for communicating between different applications, though the amount of data is limited to 20 bytes. If display is null the given window must be on the default <a class="el" href="classGFC_1_1Gdk_1_1Display.html">Display</a>. </td>
</tr>
</table>
<a class="anchor" name="z140_2" doxytag="GFC::Gdk::Event::send_clientmessage_toall" ></a><p>
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<td class="md" nowrap valign="top"> void GFC::Gdk::Event::send_clientmessage_toall </td>
<td class="md" valign="top">( </td>
<td class="mdname1" valign="top" nowrap> </td>
<td class="md" valign="top"> ) </td>
<td class="md" nowrap></td>
</tr>
</table>
</td>
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<table cellspacing=5 cellpadding=0 border=0>
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</td>
<td>
<p>
Sends an X ClientMessage event to all toplevel windows on the default <a class="el" href="classGFC_1_1Gdk_1_1Screen.html">Screen</a>.
<p>
Toplevel windows are determined by checking for the WM_STATE property, as described in the Inter-Client Communication Conventions Manual (ICCCM). If no windows are found with the WM_STATE property set, the message is sent to all children of the root window.<p>
<b>Note:</b> This method does nothing if the event is not an <a class="el" href="classGFC_1_1Gdk_1_1EventClient.html">EventClient</a>. </td>
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<a class="anchor" name="z140_3" doxytag="GFC::Gdk::Event::set_screen" ></a><p>
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<td class="md" nowrap valign="top"> void GFC::Gdk::Event::set_screen </td>
<td class="md" valign="top">( </td>
<td class="md" nowrap valign="top"><a class="el" href="classGFC_1_1Gdk_1_1Screen.html">Screen</a> & </td>
<td class="mdname1" valign="top" nowrap> <em>screen</em> </td>
<td class="md" valign="top"> ) </td>
<td class="md" nowrap></td>
</tr>
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</td>
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<table cellspacing=5 cellpadding=0 border=0>
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<td>
</td>
<td>
<p>
Sets the screen for event to screen.
<p>
The event must have been allocated by GTK+. <dl compact><dt><b>Parameters:</b></dt><dd>
<table border="0" cellspacing="2" cellpadding="0">
<tr><td></td><td valign=top><em>screen</em> </td><td>A <a class="el" href="classGFC_1_1Gdk_1_1Screen.html">Screen</a>. </td></tr>
</table>
</dl>
</td>
</tr>
</table>
<hr>The documentation for this class was generated from the following file:<ul>
<li><a class="el" href="events_8hh-source.html">events.hh</a></ul>
<hr size="1"><address style="align: right;"><small>Generated on Tue Aug 24 00:34:35 2004 for GFC-UI by
<a href="http://www.doxygen.org/index.html">
<img src="doxygen.png" alt="doxygen" align="middle" border=0 ></a> 1.3.8 </small></address>
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