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<h1>GFC::Gdk::Geometry Class Reference</h1>A GdkGeometry C++ wrapper class.
<a href="#_details">More...</a>
<p>
<code>#include <<a class="el" href="gtk_2window_8hh-source.html">gfc/gdk/window.hh</a>></code>
<p>
<a href="classGFC_1_1Gdk_1_1Geometry-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="anchor" name="z226_0" doxytag="GFC::Gdk::Geometry::Geometry" ></a>
<a class="el" href="classGFC_1_1Gdk_1_1Geometry.html#z226_0">Geometry</a> ()
<dl class="el"><dd class="mdescRight">Construct an empty geometry object. <br></dl></ul>
<tr><td colspan="2"><div class="groupHeader">Accessors</div></td></tr>
<ul>
<li><a class="anchor" name="z227_0" doxytag="GFC::Gdk::Geometry::gdk_geometry" ></a>
GdkGeometry * <a class="el" href="classGFC_1_1Gdk_1_1Geometry.html#z227_0">gdk_geometry</a> () const
<dl class="el"><dd class="mdescRight">Get a pointer to the GdkGeometry structure. <br></dl><li><a class="anchor" name="z227_1" doxytag="GFC::Gdk::Geometry::gdk_window_hints" ></a>
GdkWindowHints <a class="el" href="classGFC_1_1Gdk_1_1Geometry.html#z227_1">gdk_window_hints</a> () const
<dl class="el"><dd class="mdescRight">Returns the bit flags that indicate which values are currently set. <br></dl><li><a class="anchor" name="z227_2" doxytag="GFC::Gdk::Geometry::min_width" ></a>
int <a class="el" href="classGFC_1_1Gdk_1_1Geometry.html#z227_2">min_width</a> () const
<dl class="el"><dd class="mdescRight">Returns the minimum window width. <br></dl><li><a class="anchor" name="z227_3" doxytag="GFC::Gdk::Geometry::min_height" ></a>
int <a class="el" href="classGFC_1_1Gdk_1_1Geometry.html#z227_3">min_height</a> () const
<dl class="el"><dd class="mdescRight">Returns the minimum window height. <br></dl><li><a class="anchor" name="z227_4" doxytag="GFC::Gdk::Geometry::max_width" ></a>
int <a class="el" href="classGFC_1_1Gdk_1_1Geometry.html#z227_4">max_width</a> () const
<dl class="el"><dd class="mdescRight">Returns the maximum window width. <br></dl><li><a class="anchor" name="z227_5" doxytag="GFC::Gdk::Geometry::max_height" ></a>
int <a class="el" href="classGFC_1_1Gdk_1_1Geometry.html#z227_5">max_height</a> () const
<dl class="el"><dd class="mdescRight">Returns the maximum window height. <br></dl><li><a class="anchor" name="z227_6" doxytag="GFC::Gdk::Geometry::base_width" ></a>
int <a class="el" href="classGFC_1_1Gdk_1_1Geometry.html#z227_6">base_width</a> () const
<dl class="el"><dd class="mdescRight">Returns the base window width. <br></dl><li><a class="anchor" name="z227_7" doxytag="GFC::Gdk::Geometry::base_height" ></a>
int <a class="el" href="classGFC_1_1Gdk_1_1Geometry.html#z227_7">base_height</a> () const
<dl class="el"><dd class="mdescRight">Returns the base window height. <br></dl><li><a class="anchor" name="z227_8" doxytag="GFC::Gdk::Geometry::width_increment" ></a>
int <a class="el" href="classGFC_1_1Gdk_1_1Geometry.html#z227_8">width_increment</a> () const
<dl class="el"><dd class="mdescRight">Returns the resize increment for the width. <br></dl><li><a class="anchor" name="z227_9" doxytag="GFC::Gdk::Geometry::height_increment" ></a>
int <a class="el" href="classGFC_1_1Gdk_1_1Geometry.html#z227_9">height_increment</a> () const
<dl class="el"><dd class="mdescRight">Returns the resize increment for the height. <br></dl><li><a class="anchor" name="z227_10" doxytag="GFC::Gdk::Geometry::min_aspect_ratio" ></a>
double <a class="el" href="classGFC_1_1Gdk_1_1Geometry.html#z227_10">min_aspect_ratio</a> () const
<dl class="el"><dd class="mdescRight">Returns the minimum width/height ratio. <br></dl><li><a class="anchor" name="z227_11" doxytag="GFC::Gdk::Geometry::max_aspect_ratio" ></a>
double <a class="el" href="classGFC_1_1Gdk_1_1Geometry.html#z227_11">max_aspect_ratio</a> () const
<dl class="el"><dd class="mdescRight">Returns the maximum width/height ratio. <br></dl><li><a class="anchor" name="z227_12" doxytag="GFC::Gdk::Geometry::min_size_set" ></a>
bool <a class="el" href="classGFC_1_1Gdk_1_1Geometry.html#z227_12">min_size_set</a> () const
<dl class="el"><dd class="mdescRight">Returns true if the min size fields are set. <br></dl><li><a class="anchor" name="z227_13" doxytag="GFC::Gdk::Geometry::max_size_set" ></a>
bool <a class="el" href="classGFC_1_1Gdk_1_1Geometry.html#z227_13">max_size_set</a> () const
<dl class="el"><dd class="mdescRight">Returns true if the max size fields are set. <br></dl><li><a class="anchor" name="z227_14" doxytag="GFC::Gdk::Geometry::base_size_set" ></a>
bool <a class="el" href="classGFC_1_1Gdk_1_1Geometry.html#z227_14">base_size_set</a> () const
<dl class="el"><dd class="mdescRight">Returns true if the base size fields are set. <br></dl><li><a class="anchor" name="z227_15" doxytag="GFC::Gdk::Geometry::aspect_range_set" ></a>
bool <a class="el" href="classGFC_1_1Gdk_1_1Geometry.html#z227_15">aspect_range_set</a> () const
<dl class="el"><dd class="mdescRight">Returns true if the aspect ratio fields are set. <br></dl><li><a class="anchor" name="z227_16" doxytag="GFC::Gdk::Geometry::resize_increments_set" ></a>
bool <a class="el" href="classGFC_1_1Gdk_1_1Geometry.html#z227_16">resize_increments_set</a> () const
<dl class="el"><dd class="mdescRight">Returns true if the resize increment fields are set. <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_1Geometry.html#z228_0">set_min_size</a> (int width, int height)
<dl class="el"><dd class="mdescRight">Sets the minimum window size. <a href="#z228_0"></a><br></dl><li><a class="anchor" name="z228_1" doxytag="GFC::Gdk::Geometry::unset_min_size" ></a>
void <a class="el" href="classGFC_1_1Gdk_1_1Geometry.html#z228_1">unset_min_size</a> ()
<dl class="el"><dd class="mdescRight">Unsets the minimum size so that the minimum width and height fields will be ignored. <br></dl><li>void <a class="el" href="classGFC_1_1Gdk_1_1Geometry.html#z228_2">set_max_size</a> (int width, int height)
<dl class="el"><dd class="mdescRight">Sets the maximum window size. <a href="#z228_2"></a><br></dl><li><a class="anchor" name="z228_3" doxytag="GFC::Gdk::Geometry::unset_max_size" ></a>
void <a class="el" href="classGFC_1_1Gdk_1_1Geometry.html#z228_3">unset_max_size</a> ()
<dl class="el"><dd class="mdescRight">Unsets the maximum size so that the maximum width and height fields will be ignored. <br></dl><li>void <a class="el" href="classGFC_1_1Gdk_1_1Geometry.html#z228_4">set_base_size</a> (int width, int height)
<dl class="el"><dd class="mdescRight">Sets the base window size. <a href="#z228_4"></a><br></dl><li><a class="anchor" name="z228_5" doxytag="GFC::Gdk::Geometry::unset_base_size" ></a>
void <a class="el" href="classGFC_1_1Gdk_1_1Geometry.html#z228_5">unset_base_size</a> ()
<dl class="el"><dd class="mdescRight">Unsets the base size so that the base width and height fields will be ignored. <br></dl><li>void <a class="el" href="classGFC_1_1Gdk_1_1Geometry.html#z228_6">set_resize_increments</a> (int width_inc, int height_inc)
<dl class="el"><dd class="mdescRight">Sets the resize increments. <a href="#z228_6"></a><br></dl><li><a class="anchor" name="z228_7" doxytag="GFC::Gdk::Geometry::unset_resize_increments" ></a>
void <a class="el" href="classGFC_1_1Gdk_1_1Geometry.html#z228_7">unset_resize_increments</a> ()
<dl class="el"><dd class="mdescRight">Unsets the resize increments so that the width_inc and height_inc fields will be ignored. <br></dl><li>void <a class="el" href="classGFC_1_1Gdk_1_1Geometry.html#z228_8">set_aspect_range</a> (double min_aspect_ratio, double max_aspect_ratio)
<dl class="el"><dd class="mdescRight">Sets the aspect range. <a href="#z228_8"></a><br></dl><li><a class="anchor" name="z228_9" doxytag="GFC::Gdk::Geometry::unset_aspect_range" ></a>
void <a class="el" href="classGFC_1_1Gdk_1_1Geometry.html#z228_9">unset_aspect_range</a> ()
<dl class="el"><dd class="mdescRight">Unsets the aspect range so that the min_aspect_ratio and max_aspect_ratio fields will be ignored. <br></dl><li>void <a class="el" href="classGFC_1_1Gdk_1_1Geometry.html#z228_10">constrain_size</a> (unsigned int flags, int width, int height, int *new_width, int *new_height)
<dl class="el"><dd class="mdescRight">Constrains a desired width and height according to a set of geometry hints (such as minimum and maximum size). <a href="#z228_10"></a><br></dl></ul>
<hr><a name="_details"></a><h2>Detailed Description</h2>
A GdkGeometry C++ wrapper class.
<p>
The <a class="el" href="classGFC_1_1Gdk_1_1Geometry.html">Geometry</a> object gives the window manager information about a window's geometry constraints. Normally you would set these using <a class="el" href="classGFC_1_1Gtk_1_1Window.html#z1073_20">Gtk::Window::set_geometry_hints()</a>. <a class="el" href="classGFC_1_1Gtk_1_1Window.html">Gtk::Window</a> then sets the hints on the <a class="el" href="classGFC_1_1Gdk_1_1Window.html">Gdk::Window</a> it creates.<p>
<a class="el" href="classGFC_1_1Gdk_1_1Window.html#z234_30">Gdk::Window::set_geometry_hints()</a> expects the hints to be fully valid already and simply passes them to the window manager. In contrast, <a class="el" href="classGFC_1_1Gtk_1_1Window.html#z1073_20">Gtk::Window::set_geometry_hints()</a> performs some interpretation. For example, <a class="el" href="classGFC_1_1Gtk_1_1Window.html">Gtk::Window</a> will apply the hints to the geometry widget instead of the toplevel window, if you set a geometry widget. Also, if the min_width, min_height, max_width and max_height fields may be set to -1, <a class="el" href="classGFC_1_1Gtk_1_1Window.html">Gtk::Window</a> will substitute the size request of the window or geometry widget. If the minimum size hint is not provided, <a class="el" href="classGFC_1_1Gtk_1_1Window.html">Gtk::Window</a> will use its requisition as the minimum size. If the minimum size is provided and a geometry widget is set, <a class="el" href="classGFC_1_1Gtk_1_1Window.html">Gtk::Window</a> will take the minimum size as the minimum size of the geometry widget rather than the entire window. The base size is treated similarly.<p>
The canonical use-case for <a class="el" href="classGFC_1_1Gtk_1_1Window.html#z1073_20">Gtk::Window::set_geometry_hints()</a> is to get a terminal widget to resize properly. Here, the terminal text area should be the geometry widget; <a class="el" href="classGFC_1_1Gtk_1_1Window.html">Gtk::Window</a> will then automatically set the base size to the size of other widgets in the terminal window, such as the menubar and scrollbar. Then, the width_inc and height_inc fields should be set to the size of one character in the terminal. Finally, the base size should be set to the size of one character. The net effect is that the minimum size of the terminal will have a 1x1 character terminal area, and only terminal sizes on the "character grid" will be allowed.<p>
<b>Example:</b> How the terminal would be implemented. <div class="fragment"><pre> Gtk::Widget *terminal; <span class="comment">// Assume a terminal area widget exists.</span>
Gtk::Window *toplevel; <span class="comment">// Assume a toplevel window exists.</span>
<a class="code" href="classGFC_1_1Gdk_1_1Geometry.html#z226_0">Geometry</a> hints;
hints.set_base_size(terminal->char_width, terminal->char_height);
hints.set_min_size(terminal->char_width, terminal->char_height);
hints.set_resize_increments(terminal->char_width, terminal->char_height);
toplevel->set_geometry_hints(terminal, hints);
</pre></div><p>
<a class="el" href="classGFC_1_1Gdk_1_1Geometry.html">Geometry</a> uses default copy, assignment and destruction.
<p>
<hr><h2>Member Function Documentation</h2>
<a class="anchor" name="z228_10" doxytag="GFC::Gdk::Geometry::constrain_size" ></a><p>
<table class="mdTable" width="100%" cellpadding="2" cellspacing="0">
<tr>
<td class="mdRow">
<table cellpadding="0" cellspacing="0" border="0">
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<td class="md" nowrap valign="top"> void GFC::Gdk::Geometry::constrain_size </td>
<td class="md" valign="top">( </td>
<td class="md" nowrap valign="top">unsigned int </td>
<td class="mdname" nowrap> <em>flags</em>, </td>
</tr>
<tr>
<td class="md" nowrap align="right"></td>
<td></td>
<td class="md" nowrap>int </td>
<td class="mdname" nowrap> <em>width</em>, </td>
</tr>
<tr>
<td class="md" nowrap align="right"></td>
<td></td>
<td class="md" nowrap>int </td>
<td class="mdname" nowrap> <em>height</em>, </td>
</tr>
<tr>
<td class="md" nowrap align="right"></td>
<td></td>
<td class="md" nowrap>int * </td>
<td class="mdname" nowrap> <em>new_width</em>, </td>
</tr>
<tr>
<td class="md" nowrap align="right"></td>
<td></td>
<td class="md" nowrap>int * </td>
<td class="mdname" nowrap> <em>new_height</em></td>
</tr>
<tr>
<td></td>
<td class="md">) </td>
<td class="md" colspan="2"></td>
</tr>
</table>
</td>
</tr>
</table>
<table cellspacing=5 cellpadding=0 border=0>
<tr>
<td>
</td>
<td>
<p>
Constrains a desired width and height according to a set of geometry hints (such as minimum and maximum size).
<p>
<dl compact><dt><b>Parameters:</b></dt><dd>
<table border="0" cellspacing="2" cellpadding="0">
<tr><td></td><td valign=top><em>flags</em> </td><td>A mask indicating what portions of geometry are set. </td></tr>
<tr><td></td><td valign=top><em>width</em> </td><td>The desired width of the window. </td></tr>
<tr><td></td><td valign=top><em>height</em> </td><td>The desired height of the window. </td></tr>
<tr><td></td><td valign=top><em>new_width</em> </td><td>The location to store resulting width. </td></tr>
<tr><td></td><td valign=top><em>new_height</em> </td><td>The location to store resulting height. </td></tr>
</table>
</dl>
</td>
</tr>
</table>
<a class="anchor" name="z228_8" doxytag="GFC::Gdk::Geometry::set_aspect_range" ></a><p>
<table class="mdTable" width="100%" cellpadding="2" cellspacing="0">
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<td class="mdRow">
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<td class="md" nowrap valign="top"> void GFC::Gdk::Geometry::set_aspect_range </td>
<td class="md" valign="top">( </td>
<td class="md" nowrap valign="top">double </td>
<td class="mdname" nowrap> <em>min_aspect_ratio</em>, </td>
</tr>
<tr>
<td class="md" nowrap align="right"></td>
<td></td>
<td class="md" nowrap>double </td>
<td class="mdname" nowrap> <em>max_aspect_ratio</em></td>
</tr>
<tr>
<td></td>
<td class="md">) </td>
<td class="md" colspan="2"></td>
</tr>
</table>
</td>
</tr>
</table>
<table cellspacing=5 cellpadding=0 border=0>
<tr>
<td>
</td>
<td>
<p>
Sets the aspect range.
<p>
<dl compact><dt><b>Parameters:</b></dt><dd>
<table border="0" cellspacing="2" cellpadding="0">
<tr><td></td><td valign=top><em>min_aspect_ratio</em> </td><td>The minimum width/height aspect ratio. </td></tr>
<tr><td></td><td valign=top><em>max_aspect_ratio</em> </td><td>The maximum width/height aspect ratio. </td></tr>
</table>
</dl>
</td>
</tr>
</table>
<a class="anchor" name="z228_4" doxytag="GFC::Gdk::Geometry::set_base_size" ></a><p>
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<td class="md" nowrap valign="top"> void GFC::Gdk::Geometry::set_base_size </td>
<td class="md" valign="top">( </td>
<td class="md" nowrap valign="top">int </td>
<td class="mdname" nowrap> <em>width</em>, </td>
</tr>
<tr>
<td class="md" nowrap align="right"></td>
<td></td>
<td class="md" nowrap>int </td>
<td class="mdname" nowrap> <em>height</em></td>
</tr>
<tr>
<td></td>
<td class="md">) </td>
<td class="md" colspan="2"></td>
</tr>
</table>
</td>
</tr>
</table>
<table cellspacing=5 cellpadding=0 border=0>
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<td>
</td>
<td>
<p>
Sets the base window size.
<p>
<dl compact><dt><b>Parameters:</b></dt><dd>
<table border="0" cellspacing="2" cellpadding="0">
<tr><td></td><td valign=top><em>width</em> </td><td>The base window width. </td></tr>
<tr><td></td><td valign=top><em>height</em> </td><td>The base window height. </td></tr>
</table>
</dl>
</td>
</tr>
</table>
<a class="anchor" name="z228_2" doxytag="GFC::Gdk::Geometry::set_max_size" ></a><p>
<table class="mdTable" width="100%" cellpadding="2" cellspacing="0">
<tr>
<td class="mdRow">
<table cellpadding="0" cellspacing="0" border="0">
<tr>
<td class="md" nowrap valign="top"> void GFC::Gdk::Geometry::set_max_size </td>
<td class="md" valign="top">( </td>
<td class="md" nowrap valign="top">int </td>
<td class="mdname" nowrap> <em>width</em>, </td>
</tr>
<tr>
<td class="md" nowrap align="right"></td>
<td></td>
<td class="md" nowrap>int </td>
<td class="mdname" nowrap> <em>height</em></td>
</tr>
<tr>
<td></td>
<td class="md">) </td>
<td class="md" colspan="2"></td>
</tr>
</table>
</td>
</tr>
</table>
<table cellspacing=5 cellpadding=0 border=0>
<tr>
<td>
</td>
<td>
<p>
Sets the maximum window size.
<p>
<dl compact><dt><b>Parameters:</b></dt><dd>
<table border="0" cellspacing="2" cellpadding="0">
<tr><td></td><td valign=top><em>width</em> </td><td>The maximum window width. </td></tr>
<tr><td></td><td valign=top><em>height</em> </td><td>The maximum window height. </td></tr>
</table>
</dl>
</td>
</tr>
</table>
<a class="anchor" name="z228_0" doxytag="GFC::Gdk::Geometry::set_min_size" ></a><p>
<table class="mdTable" width="100%" cellpadding="2" cellspacing="0">
<tr>
<td class="mdRow">
<table cellpadding="0" cellspacing="0" border="0">
<tr>
<td class="md" nowrap valign="top"> void GFC::Gdk::Geometry::set_min_size </td>
<td class="md" valign="top">( </td>
<td class="md" nowrap valign="top">int </td>
<td class="mdname" nowrap> <em>width</em>, </td>
</tr>
<tr>
<td class="md" nowrap align="right"></td>
<td></td>
<td class="md" nowrap>int </td>
<td class="mdname" nowrap> <em>height</em></td>
</tr>
<tr>
<td></td>
<td class="md">) </td>
<td class="md" colspan="2"></td>
</tr>
</table>
</td>
</tr>
</table>
<table cellspacing=5 cellpadding=0 border=0>
<tr>
<td>
</td>
<td>
<p>
Sets the minimum window size.
<p>
<dl compact><dt><b>Parameters:</b></dt><dd>
<table border="0" cellspacing="2" cellpadding="0">
<tr><td></td><td valign=top><em>width</em> </td><td>The minimum window width. </td></tr>
<tr><td></td><td valign=top><em>height</em> </td><td>The minimum window height. </td></tr>
</table>
</dl>
</td>
</tr>
</table>
<a class="anchor" name="z228_6" doxytag="GFC::Gdk::Geometry::set_resize_increments" ></a><p>
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<tr>
<td class="mdRow">
<table cellpadding="0" cellspacing="0" border="0">
<tr>
<td class="md" nowrap valign="top"> void GFC::Gdk::Geometry::set_resize_increments </td>
<td class="md" valign="top">( </td>
<td class="md" nowrap valign="top">int </td>
<td class="mdname" nowrap> <em>width_inc</em>, </td>
</tr>
<tr>
<td class="md" nowrap align="right"></td>
<td></td>
<td class="md" nowrap>int </td>
<td class="mdname" nowrap> <em>height_inc</em></td>
</tr>
<tr>
<td></td>
<td class="md">) </td>
<td class="md" colspan="2"></td>
</tr>
</table>
</td>
</tr>
</table>
<table cellspacing=5 cellpadding=0 border=0>
<tr>
<td>
</td>
<td>
<p>
Sets the resize increments.
<p>
<dl compact><dt><b>Parameters:</b></dt><dd>
<table border="0" cellspacing="2" cellpadding="0">
<tr><td></td><td valign=top><em>width_inc</em> </td><td>The resize increment for the width. </td></tr>
<tr><td></td><td valign=top><em>height_inc</em> </td><td>The resize increment for the height. </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="gdk_2window_8hh-source.html">gdk/window.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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