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<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"> <html> <head> <meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> <title>GtkTooltip: GTK+ 3 Reference Manual</title> <meta name="generator" content="DocBook XSL Stylesheets V1.79.1"> <link rel="home" href="index.html" title="GTK+ 3 Reference Manual"> <link rel="up" href="MiscObjects.html" title="Miscellaneous"> <link rel="prev" href="GtkSizeGroup.html" title="GtkSizeGroup"> <link rel="next" href="GtkViewport.html" title="GtkViewport"> <meta name="generator" content="GTK-Doc V1.32 (XML mode)"> <link rel="stylesheet" href="style.css" type="text/css"> </head> <body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF"> <table class="navigation" id="top" width="100%" summary="Navigation header" cellpadding="2" cellspacing="5"><tr valign="middle"> <td width="100%" align="left" class="shortcuts"> <a href="#" class="shortcut">Top</a><span id="nav_description"> <span class="dim">|</span> <a href="#GtkTooltip.description" class="shortcut">Description</a></span><span id="nav_hierarchy"> <span class="dim">|</span> <a href="#GtkTooltip.object-hierarchy" class="shortcut">Object Hierarchy</a></span> </td> <td><a accesskey="h" href="index.html"><img src="home.png" width="16" height="16" border="0" alt="Home"></a></td> <td><a accesskey="u" href="MiscObjects.html"><img src="up.png" width="16" height="16" border="0" alt="Up"></a></td> <td><a accesskey="p" href="GtkSizeGroup.html"><img src="left.png" width="16" height="16" border="0" alt="Prev"></a></td> <td><a accesskey="n" href="GtkViewport.html"><img src="right.png" width="16" height="16" border="0" alt="Next"></a></td> </tr></table> <div class="refentry"> <a name="GtkTooltip"></a><div class="titlepage"></div> <div class="refnamediv"><table width="100%"><tr> <td valign="top"> <h2><span class="refentrytitle"><a name="GtkTooltip.top_of_page"></a>GtkTooltip</span></h2> <p>GtkTooltip — Add tips to your widgets</p> </td> <td class="gallery_image" valign="top" align="right"></td> </tr></table></div> <div class="refsect1"> <a name="GtkTooltip.functions"></a><h2>Functions</h2> <div class="informaltable"><table class="informaltable" width="100%" border="0"> <colgroup> <col width="150px" class="functions_proto_type"> <col class="functions_proto_name"> </colgroup> <tbody> <tr> <td class="function_type"> <span class="returnvalue">void</span> </td> <td class="function_name"> <a class="link" href="GtkTooltip.html#gtk-tooltip-set-markup" title="gtk_tooltip_set_markup ()">gtk_tooltip_set_markup</a> <span class="c_punctuation">()</span> </td> </tr> <tr> <td class="function_type"> <span class="returnvalue">void</span> </td> <td class="function_name"> <a class="link" href="GtkTooltip.html#gtk-tooltip-set-text" title="gtk_tooltip_set_text ()">gtk_tooltip_set_text</a> <span class="c_punctuation">()</span> </td> </tr> <tr> <td class="function_type"> <span class="returnvalue">void</span> </td> <td class="function_name"> <a class="link" href="GtkTooltip.html#gtk-tooltip-set-icon" title="gtk_tooltip_set_icon ()">gtk_tooltip_set_icon</a> <span class="c_punctuation">()</span> </td> </tr> <tr> <td class="function_type"> <span class="returnvalue">void</span> </td> <td class="function_name"> <a class="link" href="GtkTooltip.html#gtk-tooltip-set-icon-from-stock" title="gtk_tooltip_set_icon_from_stock ()">gtk_tooltip_set_icon_from_stock</a> <span class="c_punctuation">()</span> </td> </tr> <tr> <td class="function_type"> <span class="returnvalue">void</span> </td> <td class="function_name"> <a class="link" href="GtkTooltip.html#gtk-tooltip-set-icon-from-icon-name" title="gtk_tooltip_set_icon_from_icon_name ()">gtk_tooltip_set_icon_from_icon_name</a> <span class="c_punctuation">()</span> </td> </tr> <tr> <td class="function_type"> <span class="returnvalue">void</span> </td> <td class="function_name"> <a class="link" href="GtkTooltip.html#gtk-tooltip-set-icon-from-gicon" title="gtk_tooltip_set_icon_from_gicon ()">gtk_tooltip_set_icon_from_gicon</a> <span class="c_punctuation">()</span> </td> </tr> <tr> <td class="function_type"> <span class="returnvalue">void</span> </td> <td class="function_name"> <a class="link" href="GtkTooltip.html#gtk-tooltip-set-custom" title="gtk_tooltip_set_custom ()">gtk_tooltip_set_custom</a> <span class="c_punctuation">()</span> </td> </tr> <tr> <td class="function_type"> <span class="returnvalue">void</span> </td> <td class="function_name"> <a class="link" href="GtkTooltip.html#gtk-tooltip-trigger-tooltip-query" title="gtk_tooltip_trigger_tooltip_query ()">gtk_tooltip_trigger_tooltip_query</a> <span class="c_punctuation">()</span> </td> </tr> <tr> <td class="function_type"> <span class="returnvalue">void</span> </td> <td class="function_name"> <a class="link" href="GtkTooltip.html#gtk-tooltip-set-tip-area" title="gtk_tooltip_set_tip_area ()">gtk_tooltip_set_tip_area</a> <span class="c_punctuation">()</span> </td> </tr> </tbody> </table></div> </div> <div class="refsect1"> <a name="GtkTooltip.other"></a><h2>Types and Values</h2> <div class="informaltable"><table class="informaltable" width="100%" border="0"> <colgroup> <col width="150px" class="other_proto_type"> <col class="other_proto_name"> </colgroup> <tbody><tr> <td class="datatype_keyword"> </td> <td class="function_name"><a class="link" href="GtkTooltip.html#GtkTooltip-struct" title="GtkTooltip">GtkTooltip</a></td> </tr></tbody> </table></div> </div> <div class="refsect1"> <a name="GtkTooltip.object-hierarchy"></a><h2>Object Hierarchy</h2> <pre class="screen"> <a href="/usr/share/gtk-doc/html/gobject/gobject-The-Base-Object-Type.html#GObject-struct">GObject</a> <span class="lineart">╰──</span> GtkTooltip </pre> </div> <div class="refsect1"> <a name="GtkTooltip.includes"></a><h2>Includes</h2> <pre class="synopsis">#include <gtk/gtk.h> </pre> </div> <div class="refsect1"> <a name="GtkTooltip.description"></a><h2>Description</h2> <p>Basic tooltips can be realized simply by using <a class="link" href="GtkWidget.html#gtk-widget-set-tooltip-text" title="gtk_widget_set_tooltip_text ()"><code class="function">gtk_widget_set_tooltip_text()</code></a> or <a class="link" href="GtkWidget.html#gtk-widget-set-tooltip-markup" title="gtk_widget_set_tooltip_markup ()"><code class="function">gtk_widget_set_tooltip_markup()</code></a> without any explicit tooltip object.</p> <p>When you need a tooltip with a little more fancy contents, like adding an image, or you want the tooltip to have different contents per <a class="link" href="GtkTreeView.html" title="GtkTreeView"><span class="type">GtkTreeView</span></a> row or cell, you will have to do a little more work:</p> <div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; "> <li class="listitem"><p>Set the <a class="link" href="GtkWidget.html#GtkWidget--has-tooltip" title="The “has-tooltip” property"><span class="type">“has-tooltip”</span></a> property to <a href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#TRUE:CAPS"><code class="literal">TRUE</code></a>, this will make GTK+ monitor the widget for motion and related events which are needed to determine when and where to show a tooltip.</p></li> <li class="listitem"> <p>Connect to the <a class="link" href="GtkWidget.html#GtkWidget-query-tooltip" title="The “query-tooltip” signal"><span class="type">“query-tooltip”</span></a> signal. This signal will be emitted when a tooltip is supposed to be shown. One of the arguments passed to the signal handler is a GtkTooltip object. This is the object that we are about to display as a tooltip, and can be manipulated in your callback using functions like <a class="link" href="GtkTooltip.html#gtk-tooltip-set-icon" title="gtk_tooltip_set_icon ()"><code class="function">gtk_tooltip_set_icon()</code></a>. There are functions for setting the tooltip’s markup, setting an image from a named icon, or even putting in a custom widget.</p> <p>Return <a href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#TRUE:CAPS"><code class="literal">TRUE</code></a> from your query-tooltip handler. This causes the tooltip to be show. If you return <a href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#FALSE:CAPS"><code class="literal">FALSE</code></a>, it will not be shown.</p> </li> </ul></div> <p>In the probably rare case where you want to have even more control over the tooltip that is about to be shown, you can set your own <a class="link" href="GtkWindow.html" title="GtkWindow"><span class="type">GtkWindow</span></a> which will be used as tooltip window. This works as follows:</p> <div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; "> <li class="listitem"><p>Set <a class="link" href="GtkWidget.html#GtkWidget--has-tooltip" title="The “has-tooltip” property"><span class="type">“has-tooltip”</span></a> and connect to <a class="link" href="GtkWidget.html#GtkWidget-query-tooltip" title="The “query-tooltip” signal"><span class="type">“query-tooltip”</span></a> as before. Use <a class="link" href="GtkWidget.html#gtk-widget-set-tooltip-window" title="gtk_widget_set_tooltip_window ()"><code class="function">gtk_widget_set_tooltip_window()</code></a> to set a <a class="link" href="GtkWindow.html" title="GtkWindow"><span class="type">GtkWindow</span></a> created by you as tooltip window.</p></li> <li class="listitem"><p>In the <a class="link" href="GtkWidget.html#GtkWidget-query-tooltip" title="The “query-tooltip” signal"><span class="type">“query-tooltip”</span></a> callback you can access your window using <a class="link" href="GtkWidget.html#gtk-widget-get-tooltip-window" title="gtk_widget_get_tooltip_window ()"><code class="function">gtk_widget_get_tooltip_window()</code></a> and manipulate as you wish. The semantics of the return value are exactly as before, return <a href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#TRUE:CAPS"><code class="literal">TRUE</code></a> to show the window, <a href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#FALSE:CAPS"><code class="literal">FALSE</code></a> to not show it.</p></li> </ul></div> </div> <div class="refsect1"> <a name="GtkTooltip.functions_details"></a><h2>Functions</h2> <div class="refsect2"> <a name="gtk-tooltip-set-markup"></a><h3>gtk_tooltip_set_markup ()</h3> <pre class="programlisting"><span class="returnvalue">void</span> gtk_tooltip_set_markup (<em class="parameter"><code><a class="link" href="GtkTooltip.html" title="GtkTooltip"><span class="type">GtkTooltip</span></a> *tooltip</code></em>, <em class="parameter"><code>const <a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gchar"><span class="type">gchar</span></a> *markup</code></em>);</pre> <p>Sets the text of the tooltip to be <em class="parameter"><code>markup</code></em> , which is marked up with the Pango text markup language. If <em class="parameter"><code>markup</code></em> is <a href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#NULL:CAPS"><code class="literal">NULL</code></a>, the label will be hidden.</p> <div class="refsect3"> <a name="gtk-tooltip-set-markup.parameters"></a><h4>Parameters</h4> <div class="informaltable"><table class="informaltable" width="100%" border="0"> <colgroup> <col width="150px" class="parameters_name"> <col class="parameters_description"> <col width="200px" class="parameters_annotations"> </colgroup> <tbody> <tr> <td class="parameter_name"><p>tooltip</p></td> <td class="parameter_description"><p>a <a class="link" href="GtkTooltip.html" title="GtkTooltip"><span class="type">GtkTooltip</span></a></p></td> <td class="parameter_annotations"> </td> </tr> <tr> <td class="parameter_name"><p>markup</p></td> <td class="parameter_description"><p>a markup string (see Pango markup format) or <a href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#NULL:CAPS"><code class="literal">NULL</code></a>. </p></td> <td class="parameter_annotations"><span class="annotation">[<acronym title="NULL is OK, both for passing and for returning."><span class="acronym">allow-none</span></acronym>]</span></td> </tr> </tbody> </table></div> </div> <p class="since">Since: 2.12</p> </div> <hr> <div class="refsect2"> <a name="gtk-tooltip-set-text"></a><h3>gtk_tooltip_set_text ()</h3> <pre class="programlisting"><span class="returnvalue">void</span> gtk_tooltip_set_text (<em class="parameter"><code><a class="link" href="GtkTooltip.html" title="GtkTooltip"><span class="type">GtkTooltip</span></a> *tooltip</code></em>, <em class="parameter"><code>const <a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gchar"><span class="type">gchar</span></a> *text</code></em>);</pre> <p>Sets the text of the tooltip to be <em class="parameter"><code>text</code></em> . If <em class="parameter"><code>text</code></em> is <a href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#NULL:CAPS"><code class="literal">NULL</code></a>, the label will be hidden. See also <a class="link" href="GtkTooltip.html#gtk-tooltip-set-markup" title="gtk_tooltip_set_markup ()"><code class="function">gtk_tooltip_set_markup()</code></a>.</p> <div class="refsect3"> <a name="gtk-tooltip-set-text.parameters"></a><h4>Parameters</h4> <div class="informaltable"><table class="informaltable" width="100%" border="0"> <colgroup> <col width="150px" class="parameters_name"> <col class="parameters_description"> <col width="200px" class="parameters_annotations"> </colgroup> <tbody> <tr> <td class="parameter_name"><p>tooltip</p></td> <td class="parameter_description"><p>a <a class="link" href="GtkTooltip.html" title="GtkTooltip"><span class="type">GtkTooltip</span></a></p></td> <td class="parameter_annotations"> </td> </tr> <tr> <td class="parameter_name"><p>text</p></td> <td class="parameter_description"><p>a text string or <a href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#NULL:CAPS"><code class="literal">NULL</code></a>. </p></td> <td class="parameter_annotations"><span class="annotation">[<acronym title="NULL is OK, both for passing and for returning."><span class="acronym">allow-none</span></acronym>]</span></td> </tr> </tbody> </table></div> </div> <p class="since">Since: 2.12</p> </div> <hr> <div class="refsect2"> <a name="gtk-tooltip-set-icon"></a><h3>gtk_tooltip_set_icon ()</h3> <pre class="programlisting"><span class="returnvalue">void</span> gtk_tooltip_set_icon (<em class="parameter"><code><a class="link" href="GtkTooltip.html" title="GtkTooltip"><span class="type">GtkTooltip</span></a> *tooltip</code></em>, <em class="parameter"><code><span class="type">GdkPixbuf</span> *pixbuf</code></em>);</pre> <p>Sets the icon of the tooltip (which is in front of the text) to be <em class="parameter"><code>pixbuf</code></em> . If <em class="parameter"><code>pixbuf</code></em> is <a href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#NULL:CAPS"><code class="literal">NULL</code></a>, the image will be hidden.</p> <div class="refsect3"> <a name="gtk-tooltip-set-icon.parameters"></a><h4>Parameters</h4> <div class="informaltable"><table class="informaltable" width="100%" border="0"> <colgroup> <col width="150px" class="parameters_name"> <col class="parameters_description"> <col width="200px" class="parameters_annotations"> </colgroup> <tbody> <tr> <td class="parameter_name"><p>tooltip</p></td> <td class="parameter_description"><p>a <a class="link" href="GtkTooltip.html" title="GtkTooltip"><span class="type">GtkTooltip</span></a></p></td> <td class="parameter_annotations"> </td> </tr> <tr> <td class="parameter_name"><p>pixbuf</p></td> <td class="parameter_description"><p>a <span class="type">GdkPixbuf</span>, or <a href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#NULL:CAPS"><code class="literal">NULL</code></a>. </p></td> <td class="parameter_annotations"><span class="annotation">[<acronym title="NULL is OK, both for passing and for returning."><span class="acronym">allow-none</span></acronym>]</span></td> </tr> </tbody> </table></div> </div> <p class="since">Since: 2.12</p> </div> <hr> <div class="refsect2"> <a name="gtk-tooltip-set-icon-from-stock"></a><h3>gtk_tooltip_set_icon_from_stock ()</h3> <pre class="programlisting"><span class="returnvalue">void</span> gtk_tooltip_set_icon_from_stock (<em class="parameter"><code><a class="link" href="GtkTooltip.html" title="GtkTooltip"><span class="type">GtkTooltip</span></a> *tooltip</code></em>, <em class="parameter"><code>const <a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gchar"><span class="type">gchar</span></a> *stock_id</code></em>, <em class="parameter"><code><a class="link" href="gtk3-Themeable-Stock-Images.html#GtkIconSize" title="enum GtkIconSize"><span class="type">GtkIconSize</span></a> size</code></em>);</pre> <div class="warning"> <p><code class="literal">gtk_tooltip_set_icon_from_stock</code> has been deprecated since version 3.10 and should not be used in newly-written code.</p> <p>Use <a class="link" href="GtkTooltip.html#gtk-tooltip-set-icon-from-icon-name" title="gtk_tooltip_set_icon_from_icon_name ()"><code class="function">gtk_tooltip_set_icon_from_icon_name()</code></a> instead.</p> </div> <p>Sets the icon of the tooltip (which is in front of the text) to be the stock item indicated by <em class="parameter"><code>stock_id</code></em> with the size indicated by <em class="parameter"><code>size</code></em> . If <em class="parameter"><code>stock_id</code></em> is <a href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#NULL:CAPS"><code class="literal">NULL</code></a>, the image will be hidden.</p> <div class="refsect3"> <a name="gtk-tooltip-set-icon-from-stock.parameters"></a><h4>Parameters</h4> <div class="informaltable"><table class="informaltable" width="100%" border="0"> <colgroup> <col width="150px" class="parameters_name"> <col class="parameters_description"> <col width="200px" class="parameters_annotations"> </colgroup> <tbody> <tr> <td class="parameter_name"><p>tooltip</p></td> <td class="parameter_description"><p>a <a class="link" href="GtkTooltip.html" title="GtkTooltip"><span class="type">GtkTooltip</span></a></p></td> <td class="parameter_annotations"> </td> </tr> <tr> <td class="parameter_name"><p>stock_id</p></td> <td class="parameter_description"><p>a stock id, or <a href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#NULL:CAPS"><code class="literal">NULL</code></a>. </p></td> <td class="parameter_annotations"><span class="annotation">[<acronym title="NULL is OK, both for passing and for returning."><span class="acronym">allow-none</span></acronym>]</span></td> </tr> <tr> <td class="parameter_name"><p>size</p></td> <td class="parameter_description"><p>a stock icon size (<a class="link" href="gtk3-Themeable-Stock-Images.html#GtkIconSize" title="enum GtkIconSize"><span class="type">GtkIconSize</span></a>). </p></td> <td class="parameter_annotations"><span class="annotation">[<acronym title="Override the parsed C type with given type."><span class="acronym">type</span></acronym> int]</span></td> </tr> </tbody> </table></div> </div> <p class="since">Since: 2.12</p> </div> <hr> <div class="refsect2"> <a name="gtk-tooltip-set-icon-from-icon-name"></a><h3>gtk_tooltip_set_icon_from_icon_name ()</h3> <pre class="programlisting"><span class="returnvalue">void</span> gtk_tooltip_set_icon_from_icon_name (<em class="parameter"><code><a class="link" href="GtkTooltip.html" title="GtkTooltip"><span class="type">GtkTooltip</span></a> *tooltip</code></em>, <em class="parameter"><code>const <a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gchar"><span class="type">gchar</span></a> *icon_name</code></em>, <em class="parameter"><code><a class="link" href="gtk3-Themeable-Stock-Images.html#GtkIconSize" title="enum GtkIconSize"><span class="type">GtkIconSize</span></a> size</code></em>);</pre> <p>Sets the icon of the tooltip (which is in front of the text) to be the icon indicated by <em class="parameter"><code>icon_name</code></em> with the size indicated by <em class="parameter"><code>size</code></em> . If <em class="parameter"><code>icon_name</code></em> is <a href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#NULL:CAPS"><code class="literal">NULL</code></a>, the image will be hidden.</p> <div class="refsect3"> <a name="gtk-tooltip-set-icon-from-icon-name.parameters"></a><h4>Parameters</h4> <div class="informaltable"><table class="informaltable" width="100%" border="0"> <colgroup> <col width="150px" class="parameters_name"> <col class="parameters_description"> <col width="200px" class="parameters_annotations"> </colgroup> <tbody> <tr> <td class="parameter_name"><p>tooltip</p></td> <td class="parameter_description"><p>a <a class="link" href="GtkTooltip.html" title="GtkTooltip"><span class="type">GtkTooltip</span></a></p></td> <td class="parameter_annotations"> </td> </tr> <tr> <td class="parameter_name"><p>icon_name</p></td> <td class="parameter_description"><p>an icon name, or <a href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#NULL:CAPS"><code class="literal">NULL</code></a>. </p></td> <td class="parameter_annotations"><span class="annotation">[<acronym title="NULL is OK, both for passing and for returning."><span class="acronym">allow-none</span></acronym>]</span></td> </tr> <tr> <td class="parameter_name"><p>size</p></td> <td class="parameter_description"><p>a stock icon size (<a class="link" href="gtk3-Themeable-Stock-Images.html#GtkIconSize" title="enum GtkIconSize"><span class="type">GtkIconSize</span></a>). </p></td> <td class="parameter_annotations"><span class="annotation">[<acronym title="Override the parsed C type with given type."><span class="acronym">type</span></acronym> int]</span></td> </tr> </tbody> </table></div> </div> <p class="since">Since: 2.14</p> </div> <hr> <div class="refsect2"> <a name="gtk-tooltip-set-icon-from-gicon"></a><h3>gtk_tooltip_set_icon_from_gicon ()</h3> <pre class="programlisting"><span class="returnvalue">void</span> gtk_tooltip_set_icon_from_gicon (<em class="parameter"><code><a class="link" href="GtkTooltip.html" title="GtkTooltip"><span class="type">GtkTooltip</span></a> *tooltip</code></em>, <em class="parameter"><code><a href="/usr/share/gtk-doc/html/gio/GIcon.html#GIcon-struct"><span class="type">GIcon</span></a> *gicon</code></em>, <em class="parameter"><code><a class="link" href="gtk3-Themeable-Stock-Images.html#GtkIconSize" title="enum GtkIconSize"><span class="type">GtkIconSize</span></a> size</code></em>);</pre> <p>Sets the icon of the tooltip (which is in front of the text) to be the icon indicated by <em class="parameter"><code>gicon</code></em> with the size indicated by <em class="parameter"><code>size</code></em> . If <em class="parameter"><code>gicon</code></em> is <a href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#NULL:CAPS"><code class="literal">NULL</code></a>, the image will be hidden.</p> <div class="refsect3"> <a name="gtk-tooltip-set-icon-from-gicon.parameters"></a><h4>Parameters</h4> <div class="informaltable"><table class="informaltable" width="100%" border="0"> <colgroup> <col width="150px" class="parameters_name"> <col class="parameters_description"> <col width="200px" class="parameters_annotations"> </colgroup> <tbody> <tr> <td class="parameter_name"><p>tooltip</p></td> <td class="parameter_description"><p>a <a class="link" href="GtkTooltip.html" title="GtkTooltip"><span class="type">GtkTooltip</span></a></p></td> <td class="parameter_annotations"> </td> </tr> <tr> <td class="parameter_name"><p>gicon</p></td> <td class="parameter_description"><p>a <a href="/usr/share/gtk-doc/html/gio/GIcon.html#GIcon-struct"><span class="type">GIcon</span></a> representing the icon, or <a href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#NULL:CAPS"><code class="literal">NULL</code></a>. </p></td> <td class="parameter_annotations"><span class="annotation">[<acronym title="NULL is OK, both for passing and for returning."><span class="acronym">allow-none</span></acronym>]</span></td> </tr> <tr> <td class="parameter_name"><p>size</p></td> <td class="parameter_description"><p>a stock icon size (<a class="link" href="gtk3-Themeable-Stock-Images.html#GtkIconSize" title="enum GtkIconSize"><span class="type">GtkIconSize</span></a>). </p></td> <td class="parameter_annotations"><span class="annotation">[<acronym title="Override the parsed C type with given type."><span class="acronym">type</span></acronym> int]</span></td> </tr> </tbody> </table></div> </div> <p class="since">Since: 2.20</p> </div> <hr> <div class="refsect2"> <a name="gtk-tooltip-set-custom"></a><h3>gtk_tooltip_set_custom ()</h3> <pre class="programlisting"><span class="returnvalue">void</span> gtk_tooltip_set_custom (<em class="parameter"><code><a class="link" href="GtkTooltip.html" title="GtkTooltip"><span class="type">GtkTooltip</span></a> *tooltip</code></em>, <em class="parameter"><code><a class="link" href="GtkWidget.html" title="GtkWidget"><span class="type">GtkWidget</span></a> *custom_widget</code></em>);</pre> <p>Replaces the widget packed into the tooltip with <em class="parameter"><code>custom_widget</code></em> . <em class="parameter"><code>custom_widget</code></em> does not get destroyed when the tooltip goes away. By default a box with a <a class="link" href="GtkImage.html" title="GtkImage"><span class="type">GtkImage</span></a> and <a class="link" href="GtkLabel.html" title="GtkLabel"><span class="type">GtkLabel</span></a> is embedded in the tooltip, which can be configured using <a class="link" href="GtkTooltip.html#gtk-tooltip-set-markup" title="gtk_tooltip_set_markup ()"><code class="function">gtk_tooltip_set_markup()</code></a> and <a class="link" href="GtkTooltip.html#gtk-tooltip-set-icon" title="gtk_tooltip_set_icon ()"><code class="function">gtk_tooltip_set_icon()</code></a>.</p> <div class="refsect3"> <a name="gtk-tooltip-set-custom.parameters"></a><h4>Parameters</h4> <div class="informaltable"><table class="informaltable" width="100%" border="0"> <colgroup> <col width="150px" class="parameters_name"> <col class="parameters_description"> <col width="200px" class="parameters_annotations"> </colgroup> <tbody> <tr> <td class="parameter_name"><p>tooltip</p></td> <td class="parameter_description"><p>a <a class="link" href="GtkTooltip.html" title="GtkTooltip"><span class="type">GtkTooltip</span></a></p></td> <td class="parameter_annotations"> </td> </tr> <tr> <td class="parameter_name"><p>custom_widget</p></td> <td class="parameter_description"><p>a <a class="link" href="GtkWidget.html" title="GtkWidget"><span class="type">GtkWidget</span></a>, or <a href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#NULL:CAPS"><code class="literal">NULL</code></a> to unset the old custom widget. </p></td> <td class="parameter_annotations"><span class="annotation">[<acronym title="NULL is OK, both for passing and for returning."><span class="acronym">allow-none</span></acronym>]</span></td> </tr> </tbody> </table></div> </div> <p class="since">Since: 2.12</p> </div> <hr> <div class="refsect2"> <a name="gtk-tooltip-trigger-tooltip-query"></a><h3>gtk_tooltip_trigger_tooltip_query ()</h3> <pre class="programlisting"><span class="returnvalue">void</span> gtk_tooltip_trigger_tooltip_query (<em class="parameter"><code><a href="../html/GdkDisplay.html#GdkDisplay-struct"><span class="type">GdkDisplay</span></a> *display</code></em>);</pre> <p>Triggers a new tooltip query on <em class="parameter"><code>display</code></em> , in order to update the current visible tooltip, or to show/hide the current tooltip. This function is useful to call when, for example, the state of the widget changed by a key press.</p> <div class="refsect3"> <a name="gtk-tooltip-trigger-tooltip-query.parameters"></a><h4>Parameters</h4> <div class="informaltable"><table class="informaltable" width="100%" border="0"> <colgroup> <col width="150px" class="parameters_name"> <col class="parameters_description"> <col width="200px" class="parameters_annotations"> </colgroup> <tbody><tr> <td class="parameter_name"><p>display</p></td> <td class="parameter_description"><p>a <a href="../html/GdkDisplay.html#GdkDisplay-struct"><span class="type">GdkDisplay</span></a></p></td> <td class="parameter_annotations"> </td> </tr></tbody> </table></div> </div> <p class="since">Since: 2.12</p> </div> <hr> <div class="refsect2"> <a name="gtk-tooltip-set-tip-area"></a><h3>gtk_tooltip_set_tip_area ()</h3> <pre class="programlisting"><span class="returnvalue">void</span> gtk_tooltip_set_tip_area (<em class="parameter"><code><a class="link" href="GtkTooltip.html" title="GtkTooltip"><span class="type">GtkTooltip</span></a> *tooltip</code></em>, <em class="parameter"><code>const <a href="../html/gdk3-Points-Rectangles-and-Regions.html#GdkRectangle"><span class="type">GdkRectangle</span></a> *rect</code></em>);</pre> <p>Sets the area of the widget, where the contents of this tooltip apply, to be <em class="parameter"><code>rect</code></em> (in widget coordinates). This is especially useful for properly setting tooltips on <a class="link" href="GtkTreeView.html" title="GtkTreeView"><span class="type">GtkTreeView</span></a> rows and cells, <a href="GtkIconView.html#GtkIconView-struct"><span class="type">GtkIconViews</span></a>, etc.</p> <p>For setting tooltips on <a class="link" href="GtkTreeView.html" title="GtkTreeView"><span class="type">GtkTreeView</span></a>, please refer to the convenience functions for this: <a class="link" href="GtkTreeView.html#gtk-tree-view-set-tooltip-row" title="gtk_tree_view_set_tooltip_row ()"><code class="function">gtk_tree_view_set_tooltip_row()</code></a> and <a class="link" href="GtkTreeView.html#gtk-tree-view-set-tooltip-cell" title="gtk_tree_view_set_tooltip_cell ()"><code class="function">gtk_tree_view_set_tooltip_cell()</code></a>.</p> <div class="refsect3"> <a name="gtk-tooltip-set-tip-area.parameters"></a><h4>Parameters</h4> <div class="informaltable"><table class="informaltable" width="100%" border="0"> <colgroup> <col width="150px" class="parameters_name"> <col class="parameters_description"> <col width="200px" class="parameters_annotations"> </colgroup> <tbody> <tr> <td class="parameter_name"><p>tooltip</p></td> <td class="parameter_description"><p>a <a class="link" href="GtkTooltip.html" title="GtkTooltip"><span class="type">GtkTooltip</span></a></p></td> <td class="parameter_annotations"> </td> </tr> <tr> <td class="parameter_name"><p>rect</p></td> <td class="parameter_description"><p>a <a href="../html/gdk3-Points-Rectangles-and-Regions.html#GdkRectangle"><span class="type">GdkRectangle</span></a></p></td> <td class="parameter_annotations"> </td> </tr> </tbody> </table></div> </div> <p class="since">Since: 2.12</p> </div> </div> <div class="refsect1"> <a name="GtkTooltip.other_details"></a><h2>Types and Values</h2> <div class="refsect2"> <a name="GtkTooltip-struct"></a><h3>GtkTooltip</h3> <pre class="programlisting">typedef struct _GtkTooltip GtkTooltip;</pre> </div> </div> </div> <div class="footer"> <hr>Generated by GTK-Doc V1.32</div> </body> </html>