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clipboard: Add surface apis

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Add gtk_clipboard_set_surface and gtk_clipboard_wait_for_surface.
This commit is contained in:
Matthias Clasen 2017-10-22 22:17:43 +02:00
parent 9e78fbaac4
commit 8f6fbc9c24
2 changed files with 58 additions and 0 deletions
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53
gtk/gtkclipboard.c
View File

@ -930,6 +930,21 @@ gtk_clipboard_set_image (GtkClipboard *clipboard,
gtk_target_list_unref (list);
}
void
gtk_clipboard_set_surface (GtkClipboard *clipboard,
cairo_surface_t *surface)
{
GdkPixbuf *pixbuf;
pixbuf = gdk_pixbuf_get_from_surface (surface,
0, 0,
cairo_image_surface_get_width (surface),
cairo_image_surface_get_height (surface));
gtk_clipboard_set_image (clipboard, pixbuf);
g_object_unref (pixbuf);
}
static void
set_request_contents_info (GtkWidget *widget,
RequestContentsInfo *info)
@ -1579,6 +1594,19 @@ clipboard_image_received_func (GtkClipboard *clipboard,
g_main_loop_quit (results->loop);
}
static void
clipboard_surface_received_func (GtkClipboard *clipboard,
GdkPixbuf *pixbuf,
gpointer data)
{
WaitResults *results = data;
if (pixbuf)
results->data = gdk_cairo_surface_create_from_pixbuf (pixbuf, 1, NULL);
g_main_loop_quit (results->loop);
}
/**
* gtk_clipboard_wait_for_image:
* @clipboard: a #GtkClipboard
@ -1623,6 +1651,31 @@ gtk_clipboard_wait_for_image (GtkClipboard *clipboard)
return results.data;
}
cairo_surface_t *
gtk_clipboard_wait_for_surface (GtkClipboard *clipboard)
{
WaitResults results;
g_return_val_if_fail (clipboard != NULL, NULL);
results.data = NULL;
results.loop = g_main_loop_new (NULL, TRUE);
gtk_clipboard_request_image (clipboard,
clipboard_surface_received_func,
&results);
if (g_main_loop_is_running (results.loop))
{
gdk_threads_leave ();
g_main_loop_run (results.loop);
gdk_threads_enter ();
}
g_main_loop_unref (results.loop);
return results.data;
}
static void
clipboard_uris_received_func (GtkClipboard *clipboard,
gchar **uris,

5
gtk/gtkclipboard.h
View File

@ -221,6 +221,9 @@ void gtk_clipboard_set_text (GtkClipboard *clipboard,
GDK_AVAILABLE_IN_ALL
void gtk_clipboard_set_image (GtkClipboard *clipboard,
GdkPixbuf *pixbuf);
GDK_AVAILABLE_IN_3_94
void gtk_clipboard_set_surface (GtkClipboard *clipboard,
cairo_surface_t *surface);
GDK_AVAILABLE_IN_ALL
void gtk_clipboard_request_contents (GtkClipboard *clipboard,
@ -268,6 +271,8 @@ gboolean gtk_clipboard_wait_for_targets (GtkClipboard *clipboard,
GdkAtom **targets,
gint *n_targets);
GDK_AVAILABLE_IN_3_94
cairo_surface_t * gtk_clipboard_wait_for_surface (GtkClipboard *clipboard);
GDK_AVAILABLE_IN_ALL
gboolean gtk_clipboard_wait_is_text_available (GtkClipboard *clipboard);
GDK_AVAILABLE_IN_ALL