Add tips to your widgets
gtkTooltipSetIconFromStock(object, stock.id, size)
gtkTooltipSetIconFromIconName(object, icon.name = NULL, size)
gtkTooltipSetIconFromGicon(object, gicon, size)
GtkTooltip belongs to the new tooltips API that was
introduced in GTK+ 2.12 and which deprecates the old
Basic tooltips can be realized simply by using
gtkWidgetSetTooltipMarkup without any explicit tooltip object.
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 GtkTreeView row or cell, you will have to do a little more work:
"has-tooltip" property to
TRUE, this will
make GTK+ monitor the widget for motion and related events
which are needed to determine when and where to show a tooltip.
Connect to the
"query-tooltip" 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
object. This is the object that we are about to display as a
tooltip, and can be manipulated in your callback using functions
gtkTooltipSetIcon. There are functions for setting
the tooltip's markup, setting an image from a stock icon, or
even putting in a custom widget.
TRUE from your query-tooltip handler. This causes
the tooltip to be show. If you return
FALSE, it will not be shown.
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
GtkWindow which will be used as tooltip window. This works as
"has-tooltip" and connect to
gtkWidgetSetTooltipWindow to set a
by you as tooltip window.
In the ::query-tooltip callback you can access your window
gtkWidgetGetTooltipWindow and manipulate as you
wish. The semantics of the return value are exactly as before,
TRUE to show the window,
FALSE to not show it.
Derived by RGtkGen from GTK+ documentation
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