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dnd: Add more surface apis

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The new function, gtk_drag_source_set_icon_surface, is for setting
a drag source icon without using GdkPixbuf.
This commit is contained in:
Matthias Clasen 2017-10-23 14:16:31 +02:00
parent d3fc937b4d
commit 493f5d6b18
3 changed files with 30 additions and 0 deletions
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1
docs/reference/gtk/gtk4-sections.txt
View File

@ -5365,6 +5365,7 @@ gtk_drag_set_icon_default
gtk_drag_check_threshold
gtk_drag_source_set
gtk_drag_source_set_icon_pixbuf
gtk_drag_source_set_icon_surface
gtk_drag_source_set_icon_name
gtk_drag_source_set_icon_gicon
gtk_drag_source_unset

26
gtk/gtkdragsource.c
View File

@ -373,6 +373,32 @@ gtk_drag_source_set_icon_pixbuf (GtkWidget *widget,
site->image_def = gtk_image_definition_new_pixbuf (pixbuf, 1);
}
/**
* gtk_drag_source_set_icon_surface: (method)
* @widget: a #GtkWidget
* @surface: the cairo surface for the drag icon
*
* Sets the icon that will be used for drags from a particular widget
* from a cairo surface. GTK+ retains a reference for @surface and will
* release it when it is no longer needed.
*
* Since: 3.94
*/
void
gtk_drag_source_set_icon_surface (GtkWidget *widget,
cairo_surface_t *surface)
{
GtkDragSourceSite *site;
g_return_if_fail (GTK_IS_WIDGET (widget));
site = g_object_get_data (G_OBJECT (widget), "gtk-site-data");
g_return_if_fail (site != NULL);
g_clear_pointer (&site->image_def, gtk_image_definition_unref);
site->image_def = gtk_image_definition_new_surface (surface);
}
/**
* gtk_drag_source_set_icon_name: (method)
* @widget: a #GtkWidget

3
gtk/gtkdragsource.h
View File

@ -62,6 +62,9 @@ void gtk_drag_source_add_uri_targets (GtkWidget *widget);
GDK_AVAILABLE_IN_ALL
void gtk_drag_source_set_icon_pixbuf (GtkWidget *widget,
GdkPixbuf *pixbuf);
GDK_AVAILABLE_IN_3_94
void gtk_drag_source_set_icon_surface (GtkWidget *widget,
cairo_surface_t *surface);
GDK_AVAILABLE_IN_ALL
void gtk_drag_source_set_icon_name (GtkWidget *widget,
const gchar *icon_name);