forked from AuroraMiddleware/gtk
45e33fe9c2
2008-02-15 Matthias Clasen <mclasen@redhat.com>
* configure.in: Go back to 2.13.0 as version for now,
as there was no consensus to do the jump.
* many other places: Update Since: tags.
svn path=/trunk/; revision=19586
161 lines
3.2 KiB
Plaintext
161 lines
3.2 KiB
Plaintext
<!-- ##### SECTION Title ##### -->
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GtkTooltip
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<!-- ##### SECTION Short_Description ##### -->
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Add tips to your widgets
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<!-- ##### SECTION Long_Description ##### -->
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<para>
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#GtkTooltip belongs to the new tooltips API that was
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introduced in GTK+ 2.12 and which deprecates the old
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#GtkTooltips API.
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</para>
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<para>
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Basic tooltips can be realized simply by using gtk_widget_set_tooltip_text()
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or gtk_widget_set_tooltip_markup() without any explicit tooltip object.
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</para>
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<para>
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When you need a tooltip with a little more fancy contents, like
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adding an image, or you want the tooltip to have different contents
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per GtkTreeView row or cell, you will have to do a little more work:
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<itemizedlist>
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<listitem><para>
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Set the #GtkWidget:has-tooltip property to %TRUE, this will
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make GTK+ monitor the widget for motion and related events
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which are needed to determine when and where to show a tooltip.
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</para></listitem>
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<listitem><para>
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Connect to the #GtkWidget::query-tooltip signal. This signal
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will be emitted when a tooltip is supposed to be shown. One
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of the arguments passed to the signal handler is a #GtkTooltip
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object. This is the object that we are about to display as a
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tooltip, and can be manipulated in your callback using functions
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like gtk_tooltip_set_icon(). There are functions for setting
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the tooltip's markup, setting an image from a stock icon, or
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even putting in a custom widget.
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</para></listitem>
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<listitem><para>
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Return %TRUE from your query-tooltip handler. This causes
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the tooltip to be show. If you return %FALSE, it will not be shown.
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</para></listitem>
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</itemizedlist>
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</para>
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<para>
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In the probably rare case where you want to have even more control
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over the tooltip that is about to be shown, you can set your own
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#GtkWindow which will be used as tooltip window. This works as
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follows:
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<itemizedlist>
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<listitem><para>
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Set #GtkWidget:has-tooltip and connect to #GtkWidget::query-tooltip as
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before.
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</para></listitem>
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<listitem><para>
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Use gtk_widget_set_tooltip_window() to set a #GtkWindow created
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by you as tooltip window.
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</para></listitem>
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<listitem><para>
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In the ::query-tooltip callback you can access your window
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using gtk_widget_get_tooltip_window() and manipulate as you
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wish. The semantics of the return value are exactly as before,
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return %TRUE to show the window, %FALSE to not show it.
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</para></listitem>
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</itemizedlist>
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</para>
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<!-- ##### SECTION See_Also ##### -->
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<para>
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</para>
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<!-- ##### SECTION Stability_Level ##### -->
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<!-- ##### STRUCT GtkTooltip ##### -->
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<para>
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</para>
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<!-- ##### FUNCTION gtk_tooltip_set_markup ##### -->
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<para>
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</para>
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@tooltip:
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@markup:
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<!-- ##### FUNCTION gtk_tooltip_set_text ##### -->
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<para>
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</para>
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@tooltip:
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@text:
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<!-- ##### FUNCTION gtk_tooltip_set_icon ##### -->
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<para>
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</para>
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@tooltip:
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@pixbuf:
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<!-- ##### FUNCTION gtk_tooltip_set_icon_from_stock ##### -->
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<para>
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</para>
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@tooltip:
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@stock_id:
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@size:
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<!-- ##### FUNCTION gtk_tooltip_set_icon_from_icon_name ##### -->
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<para>
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</para>
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@tooltip:
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@icon_name:
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@size:
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<!-- ##### FUNCTION gtk_tooltip_set_custom ##### -->
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<para>
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</para>
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@tooltip:
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@custom_widget:
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<!-- ##### FUNCTION gtk_tooltip_trigger_tooltip_query ##### -->
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<para>
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</para>
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@display:
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<!-- ##### FUNCTION gtk_tooltip_set_tip_area ##### -->
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<para>
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</para>
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@tooltip:
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@rect:
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