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<h1>GFC::Gdk::Screen Class Reference</h1>A GdkScreen C++ wrapper class.
<a href="#_details">More...</a>
<p>
<code>#include <<a class="el" href="screen_8hh-source.html">gfc/gdk/screen.hh</a>></code>
<p>
<p>Inheritance diagram for GFC::Gdk::Screen:
<p><center><img src="classGFC_1_1Gdk_1_1Screen.png" usemap="#GFC::Gdk::Screen_map" border="0" alt=""></center>
<map name="GFC::Gdk::Screen_map">
<area doxygen="gfccore.tag:" href="classGFC_1_1G_1_1Object.html" alt="GFC::G::Object" shape="rect" coords="0,112,134,136">
<area doxygen="gfccore.tag:" href="classGFC_1_1G_1_1TypeInstance.html" alt="GFC::G::TypeInstance" shape="rect" coords="0,56,134,80">
<area doxygen="gfccore.tag:" href="classGFC_1_1Trackable.html" alt="GFC::Trackable" shape="rect" coords="0,0,134,24">
</map>
<a href="classGFC_1_1Gdk_1_1Screen-members.html">List of all members.</a><h2>Signal Prototypes</h2>
<ul>
<li>const <a class="elRef" doxygen="gfccore.tag:" href="classGFC_1_1G_1_1Signal.html">SizeChangedSignalType</a> <a class="el" href="classGFC_1_1Gdk_1_1Screen.html#z196_2">size_changed_signal</a>
<dl class="el"><dd class="mdescRight">Size changed signal (see <a class="el" href="classGFC_1_1Gdk_1_1Screen.html#z200_0">sig_size_changed()</a>). <a href="#z196_2"></a><br></dl></ul>
<h2>Public Member Functions</h2>
<tr><td colspan="2"><div class="groupHeader">Constructors</div></td></tr>
<ul>
<li><a class="anchor" name="z197_0" doxytag="GFC::Gdk::Screen::~Screen" ></a>
virtual <a class="el" href="classGFC_1_1Gdk_1_1Screen.html#z197_0">~Screen</a> ()
<dl class="el"><dd class="mdescRight">Destructor. <br></dl></ul>
<tr><td colspan="2"><div class="groupHeader">Accessors</div></td></tr>
<ul>
<li><a class="anchor" name="z198_0" doxytag="GFC::Gdk::Screen::gdk_screen" ></a>
GdkScreen * <a class="el" href="classGFC_1_1Gdk_1_1Screen.html#z198_0">gdk_screen</a> () const
<dl class="el"><dd class="mdescRight">Get a pointer to the GdkScreen structure. <br></dl><li><a class="anchor" name="z198_1" doxytag="GFC::Gdk::Screen::operator GdkScreen *" ></a>
<a class="el" href="classGFC_1_1Gdk_1_1Screen.html#z198_1">operator GdkScreen *</a> () const
<dl class="el"><dd class="mdescRight">Conversion operator; safely converts a <a class="el" href="classGFC_1_1Gdk_1_1Screen.html">Screen</a> to a GdkScreen pointer. <br></dl><li><a class="el" href="classGFC_1_1Gdk_1_1Colormap.html">Colormap</a> * <a class="el" href="classGFC_1_1Gdk_1_1Screen.html#z198_2">get_default_colormap</a> () const
<dl class="el"><dd class="mdescRight">Gets the default colormap for the screen. <a href="#z198_2"></a><br></dl><li><a class="el" href="classGFC_1_1Gdk_1_1Colormap.html">Colormap</a> * <a class="el" href="classGFC_1_1Gdk_1_1Screen.html#z198_3">get_system_colormap</a> () const
<dl class="el"><dd class="mdescRight">Gets the system's default colormap for the screen. <a href="#z198_3"></a><br></dl><li>const <a class="el" href="classGFC_1_1Gdk_1_1Visual.html">Visual</a> * <a class="el" href="classGFC_1_1Gdk_1_1Screen.html#z198_4">get_system_visual</a> () const
<dl class="el"><dd class="mdescRight">Get the system's default visual for the screen. <a href="#z198_4"></a><br></dl><li><a class="el" href="classGFC_1_1Gdk_1_1Window.html">Window</a> * <a class="el" href="classGFC_1_1Gdk_1_1Screen.html#z198_5">get_root_window</a> () const
<dl class="el"><dd class="mdescRight">Gets the root window of the screen. <a href="#z198_5"></a><br></dl><li><a class="anchor" name="z198_6" doxytag="GFC::Gdk::Screen::get_display" ></a>
<a class="el" href="classGFC_1_1Gdk_1_1Display.html">Display</a> * <a class="el" href="classGFC_1_1Gdk_1_1Screen.html#z198_6">get_display</a> () const
<dl class="el"><dd class="mdescRight">Returns the display to which the screen belongs. <br></dl><li>int <a class="el" href="classGFC_1_1Gdk_1_1Screen.html#z198_7">get_number</a> () const
<dl class="el"><dd class="mdescRight">Gets the index of the screen among the screens in the display to which it belongs (see <a class="el" href="classGFC_1_1Gdk_1_1Screen.html#z198_6">get_display()</a>). <a href="#z198_7"></a><br></dl><li>int <a class="el" href="classGFC_1_1Gdk_1_1Screen.html#z198_8">get_width</a> () const
<dl class="el"><dd class="mdescRight">Gets the width of the screen in pixels. <a href="#z198_8"></a><br></dl><li>int <a class="el" href="classGFC_1_1Gdk_1_1Screen.html#z198_9">get_height</a> () const
<dl class="el"><dd class="mdescRight">Gets the height of the screen in pixels. <a href="#z198_9"></a><br></dl><li>int <a class="el" href="classGFC_1_1Gdk_1_1Screen.html#z198_10">get_width_mm</a> () const
<dl class="el"><dd class="mdescRight">Gets the width of screen in millimeters. <a href="#z198_10"></a><br></dl><li>int <a class="el" href="classGFC_1_1Gdk_1_1Screen.html#z198_11">get_height_mm</a> () const
<dl class="el"><dd class="mdescRight">Gets the height of screen in millimeters. <a href="#z198_11"></a><br></dl><li>bool <a class="el" href="classGFC_1_1Gdk_1_1Screen.html#z198_12">list_visuals</a> (std::vector< const <a class="el" href="classGFC_1_1Gdk_1_1Visual.html">Visual</a> * > &visuals) const
<dl class="el"><dd class="mdescRight">Lists the available visuals for the specified screen. <a href="#z198_12"></a><br></dl><li>bool <a class="el" href="classGFC_1_1Gdk_1_1Screen.html#z198_13">get_toplevels</a> (std::vector< <a class="el" href="classGFC_1_1Gdk_1_1Window.html">Window</a> * > &toplevels) const
<dl class="el"><dd class="mdescRight">Obtains a list of all toplevel windows known to GDK on the screen. <a href="#z198_13"></a><br></dl><li><a class="elRef" doxygen="gfccore.tag:" href="classGFC_1_1String.html">String</a> <a class="el" href="classGFC_1_1Gdk_1_1Screen.html#z198_14">make_display_name</a> () const
<dl class="el"><dd class="mdescRight">Determines the name to pass to <a class="el" href="classGFC_1_1Gdk_1_1Display.html#e2">Gdk::Display::open()</a> to get a display with this screen as the default screen. <a href="#z198_14"></a><br></dl><li>int <a class="el" href="classGFC_1_1Gdk_1_1Screen.html#z198_15">get_n_monitors</a> () const
<dl class="el"><dd class="mdescRight">Returns the number of monitors that are part of the virtual screen. <a href="#z198_15"></a><br></dl><li>void <a class="el" href="classGFC_1_1Gdk_1_1Screen.html#z198_16">get_monitor_geometry</a> (int monitor_num, <a class="el" href="classGFC_1_1Gdk_1_1Rectangle.html">Rectangle</a> &dest) const
<dl class="el"><dd class="mdescRight">Retrieves the <a class="el" href="classGFC_1_1Gdk_1_1Rectangle.html">Gdk::Rectangle</a> representing the size and start coordinates of the individual monitor within the the entire virtual screen. <a href="#z198_16"></a><br></dl><li><a class="el" href="classGFC_1_1Gdk_1_1Rectangle.html">Rectangle</a> <a class="el" href="classGFC_1_1Gdk_1_1Screen.html#z198_17">get_monitor_geometry</a> (int monitor_num) const
<dl class="el"><dd class="mdescRight">Retrieves the <a class="el" href="classGFC_1_1Gdk_1_1Rectangle.html">Gdk::Rectangle</a> representing the size and start coordinates of the individual monitor within the the entire virtual screen. <a href="#z198_17"></a><br></dl><li>int <a class="el" href="classGFC_1_1Gdk_1_1Screen.html#z198_18">get_monitor_at_point</a> (int x, int y) const
<dl class="el"><dd class="mdescRight">Returns the monitor number in which the point (x,y) is located. <a href="#z198_18"></a><br></dl><li>int <a class="el" href="classGFC_1_1Gdk_1_1Screen.html#z198_19">get_monitor_at_point</a> (const <a class="el" href="classGFC_1_1Gdk_1_1Point.html">Point</a> &point) const
<dl class="el"><dd class="mdescRight">Returns the monitor number in which the <em>point</em> is located. <a href="#z198_19"></a><br></dl><li>int <a class="el" href="classGFC_1_1Gdk_1_1Screen.html#z198_20">get_monitor_at_window</a> (const <a class="el" href="classGFC_1_1Gdk_1_1Window.html">Window</a> &window) const
<dl class="el"><dd class="mdescRight">Returns the number of the monitor in which the largest area of the bounding rectangle of window resides. <a href="#z198_20"></a><br></dl><li>bool <a class="el" href="classGFC_1_1Gdk_1_1Screen.html#z198_22">get_setting</a> (const <a class="elRef" doxygen="gfccore.tag:" href="classGFC_1_1String.html">String</a> &name, <a class="elRef" doxygen="gfccore.tag:" href="classGFC_1_1G_1_1Value.html">G::Value</a> &value) const
<dl class="el"><dd class="mdescRight">Retrieves a desktop-wide setting such as double-click time for the screen. <a href="#z198_22"></a><br></dl></ul>
<tr><td colspan="2"><div class="groupHeader">Methods</div></td></tr>
<ul>
<li>void <a class="el" href="classGFC_1_1Gdk_1_1Screen.html#z199_0">set_default_colormap</a> (<a class="el" href="classGFC_1_1Gdk_1_1Colormap.html">Colormap</a> &colormap)
<dl class="el"><dd class="mdescRight">Sets the default colormap for the screen. <a href="#z199_0"></a><br></dl><li>void <a class="el" href="classGFC_1_1Gdk_1_1Screen.html#z199_1">broadcast_client_message</a> (<a class="el" href="classGFC_1_1Gdk_1_1Event.html">Event</a> &event)
<dl class="el"><dd class="mdescRight">Sends an X ClientMessage event to all toplevel windows on the screen. <a href="#z199_1"></a><br></dl></ul>
<tr><td colspan="2"><div class="groupHeader">Signal Proxies</div></td></tr>
<ul>
<li><a class="anchor" name="z200_0" doxytag="GFC::Gdk::Screen::sig_size_changed" ></a>
const <a class="elRef" doxygen="gfccore.tag:" href="classGFC_1_1G_1_1SignalProxy.html">SizeChangedSignalProxy</a> <a class="el" href="classGFC_1_1Gdk_1_1Screen.html#z200_0">sig_size_changed</a> ()
<dl class="el"><dd class="mdescRight">Connect to the size_changed_signal; emitted when the size of the screen changes. <br></dl></ul>
<h2>Static Public Member Functions</h2>
<ul>
<li><a class="el" href="classGFC_1_1Gdk_1_1Screen.html">Screen</a> * <a class="el" href="classGFC_1_1Gdk_1_1Screen.html#e0">get_default</a> ()
<dl class="el"><dd class="mdescRight">Gets the default screen. <a href="#e0"></a><br></dl></ul>
<h2>Protected Member Functions</h2>
<tr><td colspan="2"><div class="groupHeader">Constructors</div></td></tr>
<ul>
<li><a class="el" href="classGFC_1_1Gdk_1_1Screen.html#z195_0">Screen</a> (GdkScreen *screen, bool <a class="elRef" doxygen="gfccore.tag:" href="classGFC_1_1Trackable.html#z143_1">owns_reference</a>=true)
<dl class="el"><dd class="mdescRight">Construct a new <a class="el" href="classGFC_1_1Gdk_1_1Screen.html">Screen</a> from an existing GdkScreen. <a href="#z195_0"></a><br></dl></ul>
<hr><a name="_details"></a><h2>Detailed Description</h2>
A GdkScreen C++ wrapper class.
<p>
<a class="el" href="classGFC_1_1Gdk_1_1Screen.html">Screen</a> objects are the GDK representation of a physical screen. They are used throughout GDK and GTK+ to specify which screen the top level windows are to be displayed on. It is also used to query the screen specification and default settings such as the default colormap (<a class="el" href="classGFC_1_1Gdk_1_1Screen.html#z198_2">get_default_colormap()</a>), the screen width (<a class="el" href="classGFC_1_1Gdk_1_1Screen.html#z198_8">get_width()</a>), etc. Note that a screen may consist of multiple monitors which are merged to form a large screen area.
<p>
<hr><h2>Constructor & Destructor Documentation</h2>
<a class="anchor" name="z195_0" doxytag="GFC::Gdk::Screen::Screen" ></a><p>
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<tr>
<td class="md" nowrap valign="top"> GFC::Gdk::Screen::Screen </td>
<td class="md" valign="top">( </td>
<td class="md" nowrap valign="top">GdkScreen * </td>
<td class="mdname" nowrap> <em>screen</em>, </td>
</tr>
<tr>
<td class="md" nowrap align="right"></td>
<td></td>
<td class="md" nowrap>bool </td>
<td class="mdname" nowrap> <em>owns_reference</em> = <code>true</code></td>
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<tr>
<td></td>
<td class="md">) </td>
<td class="md" colspan="2"><code> [explicit, protected]</code></td>
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</td>
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<table cellspacing=5 cellpadding=0 border=0>
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<td>
</td>
<td>
<p>
Construct a new <a class="el" href="classGFC_1_1Gdk_1_1Screen.html">Screen</a> from an existing GdkScreen.
<p>
<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 pointer to a GdkScreen. </td></tr>
<tr><td></td><td valign=top><em>owns_reference</em> </td><td>Set false if the initial reference count is floating, set true if it's not.</td></tr>
</table>
</dl>
<br>
The <em>screen</em> can be a newly created GdkScreen or an existing GdkScreen. (see <a class="elRef" doxygen="gfccore.tag:" href="classGFC_1_1G_1_1Object.html#z68_0">G::Object::Object</a>). </td>
</tr>
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<hr><h2>Member Function Documentation</h2>
<a class="anchor" name="z199_1" doxytag="GFC::Gdk::Screen::broadcast_client_message" ></a><p>
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<td class="md" nowrap valign="top"> void GFC::Gdk::Screen::broadcast_client_message </td>
<td class="md" valign="top">( </td>
<td class="md" nowrap valign="top"><a class="el" href="classGFC_1_1Gdk_1_1Event.html">Event</a> & </td>
<td class="mdname1" valign="top" nowrap> <em>event</em> </td>
<td class="md" valign="top"> ) </td>
<td class="md" nowrap></td>
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<p>
Sends an X ClientMessage event to all toplevel windows on the screen.
<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>The <a class="el" href="classGFC_1_1Gdk_1_1Event.html">Event</a>.</td></tr>
</table>
</dl>
<br>
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. </td>
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<a class="anchor" name="e0" doxytag="GFC::Gdk::Screen::get_default" ></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::Screen::get_default </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>
<p>
Gets the default screen.
<p>
<dl compact><dt><b>Returns:</b></dt><dd>The default <a class="el" href="classGFC_1_1Gdk_1_1Screen.html">Screen</a>, or null if there is no default display. </dd></dl>
</td>
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<a class="anchor" name="z198_2" doxytag="GFC::Gdk::Screen::get_default_colormap" ></a><p>
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<td class="md" nowrap valign="top"> <a class="el" href="classGFC_1_1Gdk_1_1Colormap.html">Colormap</a>* GFC::Gdk::Screen::get_default_colormap </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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<p>
Gets the default colormap for the screen.
<p>
<dl compact><dt><b>Returns:</b></dt><dd>The default <a class="el" href="classGFC_1_1Gdk_1_1Colormap.html">Colormap</a>. </dd></dl>
</td>
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<a class="anchor" name="z198_9" doxytag="GFC::Gdk::Screen::get_height" ></a><p>
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<td class="md" nowrap valign="top"> int GFC::Gdk::Screen::get_height </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>
<td>
<p>
Gets the height of the screen in pixels.
<p>
<dl compact><dt><b>Returns:</b></dt><dd>The height of the screen in pixels. </dd></dl>
</td>
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<a class="anchor" name="z198_11" doxytag="GFC::Gdk::Screen::get_height_mm" ></a><p>
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<td class="md" nowrap valign="top"> int GFC::Gdk::Screen::get_height_mm </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>
<td>
<p>
Gets the height of screen in millimeters.
<p>
<dl compact><dt><b>Returns:</b></dt><dd>The height of the screen in millimeters.</dd></dl>
<br>
Note that on some X servers this value will not be correct. </td>
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<a class="anchor" name="z198_19" doxytag="GFC::Gdk::Screen::get_monitor_at_point" ></a><p>
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<td class="md" nowrap valign="top"> int GFC::Gdk::Screen::get_monitor_at_point </td>
<td class="md" valign="top">( </td>
<td class="md" nowrap valign="top">const <a class="el" href="classGFC_1_1Gdk_1_1Point.html">Point</a> & </td>
<td class="mdname1" valign="top" nowrap> <em>point</em> </td>
<td class="md" valign="top"> ) </td>
<td class="md" nowrap> const</td>
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<td>
<p>
Returns the monitor number in which the <em>point</em> is located.
<p>
<dl compact><dt><b>Parameters:</b></dt><dd>
<table border="0" cellspacing="2" cellpadding="0">
<tr><td></td><td valign=top><em>point</em> </td><td>The X and Y coordinates in the virtual screen. </td></tr>
</table>
</dl>
<dl compact><dt><b>Returns:</b></dt><dd>The monitor number in which the <em>point</em> lies, or a monitor close to <em>point</em> if the point is not in any monitor. </dd></dl>
</td>
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<a class="anchor" name="z198_18" doxytag="GFC::Gdk::Screen::get_monitor_at_point" ></a><p>
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<td class="md" nowrap valign="top"> int GFC::Gdk::Screen::get_monitor_at_point </td>
<td class="md" valign="top">( </td>
<td class="md" nowrap valign="top">int </td>
<td class="mdname" nowrap> <em>x</em>, </td>
</tr>
<tr>
<td class="md" nowrap align="right"></td>
<td></td>
<td class="md" nowrap>int </td>
<td class="mdname" nowrap> <em>y</em></td>
</tr>
<tr>
<td></td>
<td class="md">) </td>
<td class="md" colspan="2"> const</td>
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</td>
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</td>
<td>
<p>
Returns the monitor number in which the point (x,y) is located.
<p>
<dl compact><dt><b>Parameters:</b></dt><dd>
<table border="0" cellspacing="2" cellpadding="0">
<tr><td></td><td valign=top><em>x</em> </td><td>The X coordinate in the virtual screen. </td></tr>
<tr><td></td><td valign=top><em>y</em> </td><td>The Y coordinate in the virtual screen. </td></tr>
</table>
</dl>
<dl compact><dt><b>Returns:</b></dt><dd>The monitor number in which the point (x,y) lies, or a monitor close to (x,y) if the point is not in any monitor. </dd></dl>
</td>
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<a class="anchor" name="z198_20" doxytag="GFC::Gdk::Screen::get_monitor_at_window" ></a><p>
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<td class="md" nowrap valign="top"> int GFC::Gdk::Screen::get_monitor_at_window </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> const</td>
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<td>
<p>
Returns the number of the monitor in which the largest area of the bounding rectangle of window resides.
<p>
<dl compact><dt><b>Parameters:</b></dt><dd>
<table border="0" cellspacing="2" cellpadding="0">
<tr><td></td><td valign=top><em>window</em> </td><td>A <a class="el" href="classGFC_1_1Gdk_1_1Window.html">Window</a>. </td></tr>
</table>
</dl>
<dl compact><dt><b>Returns:</b></dt><dd>The monitor number in which most of window is located, or if window does not intersect any monitors, a monitor close to window. </dd></dl>
</td>
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<a class="anchor" name="z198_17" doxytag="GFC::Gdk::Screen::get_monitor_geometry" ></a><p>
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<td class="md" nowrap valign="top"> <a class="el" href="classGFC_1_1Gdk_1_1Rectangle.html">Rectangle</a> GFC::Gdk::Screen::get_monitor_geometry </td>
<td class="md" valign="top">( </td>
<td class="md" nowrap valign="top">int </td>
<td class="mdname1" valign="top" nowrap> <em>monitor_num</em> </td>
<td class="md" valign="top"> ) </td>
<td class="md" nowrap> const</td>
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</td>
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<td>
<p>
Retrieves the <a class="el" href="classGFC_1_1Gdk_1_1Rectangle.html">Gdk::Rectangle</a> representing the size and start coordinates of the individual monitor within the the entire virtual screen.
<p>
<dl compact><dt><b>Parameters:</b></dt><dd>
<table border="0" cellspacing="2" cellpadding="0">
<tr><td></td><td valign=top><em>monitor_num</em> </td><td>The monitor number. </td></tr>
</table>
</dl>
<dl compact><dt><b>Returns:</b></dt><dd>A <a class="el" href="classGFC_1_1Gdk_1_1Rectangle.html">Rectangle</a> filled with the monitor geometry.</dd></dl>
<br>
Note that the virtual screen coordinates can be retrieved via <a class="el" href="classGFC_1_1Gdk_1_1Screen.html#z198_8">get_width()</a> and <a class="el" href="classGFC_1_1Gdk_1_1Screen.html#z198_9">get_height()</a>. </td>
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<a class="anchor" name="z198_16" doxytag="GFC::Gdk::Screen::get_monitor_geometry" ></a><p>
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<td class="md" nowrap valign="top"> void GFC::Gdk::Screen::get_monitor_geometry </td>
<td class="md" valign="top">( </td>
<td class="md" nowrap valign="top">int </td>
<td class="mdname" nowrap> <em>monitor_num</em>, </td>
</tr>
<tr>
<td class="md" nowrap align="right"></td>
<td></td>
<td class="md" nowrap><a class="el" href="classGFC_1_1Gdk_1_1Rectangle.html">Rectangle</a> & </td>
<td class="mdname" nowrap> <em>dest</em></td>
</tr>
<tr>
<td></td>
<td class="md">) </td>
<td class="md" colspan="2"> const</td>
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</td>
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</td>
<td>
<p>
Retrieves the <a class="el" href="classGFC_1_1Gdk_1_1Rectangle.html">Gdk::Rectangle</a> representing the size and start coordinates of the individual monitor within the the entire virtual screen.
<p>
<dl compact><dt><b>Parameters:</b></dt><dd>
<table border="0" cellspacing="2" cellpadding="0">
<tr><td></td><td valign=top><em>monitor_num</em> </td><td>The monitor number. </td></tr>
<tr><td></td><td valign=top><em>dest</em> </td><td>A <a class="el" href="classGFC_1_1Gdk_1_1Rectangle.html">Rectangle</a> to be filled with the monitor geometry.</td></tr>
</table>
</dl>
<br>
Note that the virtual screen coordinates can be retrieved via <a class="el" href="classGFC_1_1Gdk_1_1Screen.html#z198_8">get_width()</a> and <a class="el" href="classGFC_1_1Gdk_1_1Screen.html#z198_9">get_height()</a>. </td>
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<a class="anchor" name="z198_15" doxytag="GFC::Gdk::Screen::get_n_monitors" ></a><p>
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<td class="md" nowrap valign="top"> int GFC::Gdk::Screen::get_n_monitors </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>
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</td>
<td>
<p>
Returns the number of monitors that are part of the virtual screen.
<p>
<dl compact><dt><b>Returns:</b></dt><dd>The number of monitors part of the virtual screen, or 0 if screen is not in virtual screen mode. </dd></dl>
</td>
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<a class="anchor" name="z198_7" doxytag="GFC::Gdk::Screen::get_number" ></a><p>
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<td class="md" nowrap valign="top"> int GFC::Gdk::Screen::get_number </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>
<td>
<p>
Gets the index of the screen among the screens in the display to which it belongs (see <a class="el" href="classGFC_1_1Gdk_1_1Screen.html#z198_6">get_display()</a>).
<p>
<dl compact><dt><b>Returns:</b></dt><dd>The index </dd></dl>
</td>
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<a class="anchor" name="z198_5" doxytag="GFC::Gdk::Screen::get_root_window" ></a><p>
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<td class="md" nowrap valign="top"> <a class="el" href="classGFC_1_1Gdk_1_1Window.html">Window</a>* GFC::Gdk::Screen::get_root_window </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>
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</td>
<td>
<p>
Gets the root window of the screen.
<p>
<dl compact><dt><b>Returns:</b></dt><dd>The root window. </dd></dl>
</td>
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<a class="anchor" name="z198_22" doxytag="GFC::Gdk::Screen::get_setting" ></a><p>
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<td class="md" nowrap valign="top"> bool GFC::Gdk::Screen::get_setting </td>
<td class="md" valign="top">( </td>
<td class="md" nowrap valign="top">const <a class="elRef" doxygen="gfccore.tag:" href="classGFC_1_1String.html">String</a> & </td>
<td class="mdname" nowrap> <em>name</em>, </td>
</tr>
<tr>
<td class="md" nowrap align="right"></td>
<td></td>
<td class="md" nowrap><a class="elRef" doxygen="gfccore.tag:" href="classGFC_1_1G_1_1Value.html">G::Value</a> & </td>
<td class="mdname" nowrap> <em>value</em></td>
</tr>
<tr>
<td></td>
<td class="md">) </td>
<td class="md" colspan="2"> const</td>
</tr>
</table>
</td>
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<table cellspacing=5 cellpadding=0 border=0>
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<td>
</td>
<td>
<p>
Retrieves a desktop-wide setting such as double-click time for the screen.
<p>
<dl compact><dt><b>Parameters:</b></dt><dd>
<table border="0" cellspacing="2" cellpadding="0">
<tr><td></td><td valign=top><em>name</em> </td><td>The name of the setting. </td></tr>
<tr><td></td><td valign=top><em>value</em> </td><td>The location to store the value of the setting. </td></tr>
</table>
</dl>
<dl compact><dt><b>Returns:</b></dt><dd><em>true</em> if the setting existed and a value was stored in value, <em>false</em> otherwise. </dd></dl>
</td>
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<a class="anchor" name="z198_3" doxytag="GFC::Gdk::Screen::get_system_colormap" ></a><p>
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<td class="md" nowrap valign="top"> <a class="el" href="classGFC_1_1Gdk_1_1Colormap.html">Colormap</a>* GFC::Gdk::Screen::get_system_colormap </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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<td>
</td>
<td>
<p>
Gets the system's default colormap for the screen.
<p>
<dl compact><dt><b>Returns:</b></dt><dd>The default colormap for the screen. </dd></dl>
</td>
</tr>
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<a class="anchor" name="z198_4" doxytag="GFC::Gdk::Screen::get_system_visual" ></a><p>
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<td class="md" nowrap valign="top"> const <a class="el" href="classGFC_1_1Gdk_1_1Visual.html">Visual</a>* GFC::Gdk::Screen::get_system_visual </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>
<table cellspacing=5 cellpadding=0 border=0>
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<td>
</td>
<td>
<p>
Get the system's default visual for the screen.
<p>
<dl compact><dt><b>Returns:</b></dt><dd>The system visual.</dd></dl>
<br>
This is the visual for the root window of the display. The return value should not be unreferenced. </td>
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<a class="anchor" name="z198_13" doxytag="GFC::Gdk::Screen::get_toplevels" ></a><p>
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<td class="md" nowrap valign="top"> bool GFC::Gdk::Screen::get_toplevels </td>
<td class="md" valign="top">( </td>
<td class="md" nowrap valign="top">std::vector< <a class="el" href="classGFC_1_1Gdk_1_1Window.html">Window</a> * > & </td>
<td class="mdname1" valign="top" nowrap> <em>toplevels</em> </td>
<td class="md" valign="top"> ) </td>
<td class="md" nowrap> const</td>
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<p>
Obtains a list of all toplevel windows known to GDK on the screen.
<p>
<dl compact><dt><b>Parameters:</b></dt><dd>
<table border="0" cellspacing="2" cellpadding="0">
<tr><td></td><td valign=top><em>toplevels</em> </td><td>A reference to a vector of Window* to hold the list of toplevel windows. </td></tr>
</table>
</dl>
<dl compact><dt><b>Returns:</b></dt><dd><em>true</em> if the vector is not empty.</dd></dl>
<br>
A toplevel window is a child of the root window (see <a class="el" href="namespaceGFC_1_1Gdk.html#a257">get_default_root_window()</a>). </td>
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<a class="anchor" name="z198_8" doxytag="GFC::Gdk::Screen::get_width" ></a><p>
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<td class="md" nowrap valign="top"> int GFC::Gdk::Screen::get_width </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>
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<p>
Gets the width of the screen in pixels.
<p>
<dl compact><dt><b>Returns:</b></dt><dd>The width of the screen in pixels. </dd></dl>
</td>
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<a class="anchor" name="z198_10" doxytag="GFC::Gdk::Screen::get_width_mm" ></a><p>
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<td class="md" nowrap valign="top"> int GFC::Gdk::Screen::get_width_mm </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>
<td>
<p>
Gets the width of screen in millimeters.
<p>
<dl compact><dt><b>Returns:</b></dt><dd>The width of the screen in millimeters.</dd></dl>
<br>
Note that on some X servers this value will not be correct. </td>
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<a class="anchor" name="z198_12" doxytag="GFC::Gdk::Screen::list_visuals" ></a><p>
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<td class="md" nowrap valign="top"> bool GFC::Gdk::Screen::list_visuals </td>
<td class="md" valign="top">( </td>
<td class="md" nowrap valign="top">std::vector< const <a class="el" href="classGFC_1_1Gdk_1_1Visual.html">Visual</a> * > & </td>
<td class="mdname1" valign="top" nowrap> <em>visuals</em> </td>
<td class="md" valign="top"> ) </td>
<td class="md" nowrap> const</td>
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</td>
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<p>
Lists the available visuals for the specified screen.
<p>
<dl compact><dt><b>Parameters:</b></dt><dd>
<table border="0" cellspacing="2" cellpadding="0">
<tr><td></td><td valign=top><em>visuals</em> </td><td>A reference to a vector of const Visual* to hold the list of visuals. </td></tr>
</table>
</dl>
<dl compact><dt><b>Returns:</b></dt><dd><em>true</em> if the vector is not empty.</dd></dl>
<br>
A visual describes a hardware image data format. For example, a visual might support 24-bit color, or 8-bit color, and might expect pixels to be in a certain format. </td>
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<a class="anchor" name="z198_14" doxytag="GFC::Gdk::Screen::make_display_name" ></a><p>
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<td class="md" nowrap valign="top"> <a class="elRef" doxygen="gfccore.tag:" href="classGFC_1_1String.html">String</a> GFC::Gdk::Screen::make_display_name </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>
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<table cellspacing=5 cellpadding=0 border=0>
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<td>
</td>
<td>
<p>
Determines the name to pass to <a class="el" href="classGFC_1_1Gdk_1_1Display.html#e2">Gdk::Display::open()</a> to get a display with this screen as the default screen.
<p>
<dl compact><dt><b>Returns:</b></dt><dd>A <a class="elRef" doxygen="gfccore.tag:" href="classGFC_1_1String.html">String</a>. </dd></dl>
</td>
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<a class="anchor" name="z199_0" doxytag="GFC::Gdk::Screen::set_default_colormap" ></a><p>
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<td class="md" nowrap valign="top"> void GFC::Gdk::Screen::set_default_colormap </td>
<td class="md" valign="top">( </td>
<td class="md" nowrap valign="top"><a class="el" href="classGFC_1_1Gdk_1_1Colormap.html">Colormap</a> & </td>
<td class="mdname1" valign="top" nowrap> <em>colormap</em> </td>
<td class="md" valign="top"> ) </td>
<td class="md" nowrap></td>
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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 default colormap for the screen.
<p>
<dl compact><dt><b>Parameters:</b></dt><dd>
<table border="0" cellspacing="2" cellpadding="0">
<tr><td></td><td valign=top><em>colormap</em> </td><td>A <a class="el" href="classGFC_1_1Gdk_1_1Colormap.html">Colormap</a>. </td></tr>
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</dl>
</td>
</tr>
</table>
<hr><h2>Member Data Documentation</h2>
<a class="anchor" name="z196_2" doxytag="GFC::Gdk::Screen::size_changed_signal" ></a><p>
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<td class="md" nowrap valign="top"> const <a class="elRef" doxygen="gfccore.tag:" href="classGFC_1_1G_1_1Signal.html">SizeChangedSignalType</a> <a class="el" href="classGFC_1_1Gdk_1_1Screen.html#z196_2">GFC::Gdk::Screen::size_changed_signal</a><code> [static, protected]</code> </td>
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</td>
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<td>
</td>
<td>
<p>
Size changed signal (see <a class="el" href="classGFC_1_1Gdk_1_1Screen.html#z200_0">sig_size_changed()</a>).
<p>
Calls a slot with the signature: <div class="fragment"><pre> <span class="keywordtype">void</span> function();
</pre></div> </td>
</tr>
</table>
<hr>The documentation for this class was generated from the following file:<ul>
<li><a class="el" href="screen_8hh-source.html">screen.hh</a></ul>
<hr size="1"><address style="align: right;"><small>Generated on Tue Aug 24 00:34:36 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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