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Keep a reference to the GdkCursor and add a private getter for it, so that

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2005-06-15  Matthias Clasen  <mclasen@redhat.com>

	* gdk/x11/gdkwindow-x11.[hc]: Keep a reference to the
	GdkCursor and add a private getter for it, so that we can
	update the cursor when the cursor theme changes.

	* gdk/gdk.symbols:
	* gdk/x11/gdkx.h:
	* gdk/x11/gdkcursor-x11.c (gdk_x11_display_set_cursor_theme):
	New function to change the cursor theme.
This commit is contained in:
Matthias Clasen 2005-06-15 18:37:18 +00:00 committed by Matthias Clasen
parent cd87226986
commit 3c96358fd1
9 changed files with 170 additions and 58 deletions
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9
ChangeLog
View File

@ -1,5 +1,14 @@
2005-06-15 Matthias Clasen <mclasen@redhat.com>
* gdk/x11/gdkwindow-x11.[hc]: Keep a reference to the
GdkCursor and add a private getter for it, so that we can
update the cursor when the cursor theme changes.
* gdk/gdk.symbols:
* gdk/x11/gdkx.h:
* gdk/x11/gdkcursor-x11.c (gdk_x11_display_set_cursor_theme):
New function to change the cursor theme.
* gdk/x11/gdkwindow-x11.c: Remove a lot of pointless
g_return_if_fail() non-NULL checks.

9
ChangeLog.pre-2-10
View File

@ -1,5 +1,14 @@
2005-06-15 Matthias Clasen <mclasen@redhat.com>
* gdk/x11/gdkwindow-x11.[hc]: Keep a reference to the
GdkCursor and add a private getter for it, so that we can
update the cursor when the cursor theme changes.
* gdk/gdk.symbols:
* gdk/x11/gdkx.h:
* gdk/x11/gdkcursor-x11.c (gdk_x11_display_set_cursor_theme):
New function to change the cursor theme.
* gdk/x11/gdkwindow-x11.c: Remove a lot of pointless
g_return_if_fail() non-NULL checks.

9
ChangeLog.pre-2-8
View File

@ -1,5 +1,14 @@
2005-06-15 Matthias Clasen <mclasen@redhat.com>
* gdk/x11/gdkwindow-x11.[hc]: Keep a reference to the
GdkCursor and add a private getter for it, so that we can
update the cursor when the cursor theme changes.
* gdk/gdk.symbols:
* gdk/x11/gdkx.h:
* gdk/x11/gdkcursor-x11.c (gdk_x11_display_set_cursor_theme):
New function to change the cursor theme.
* gdk/x11/gdkwindow-x11.c: Remove a lot of pointless
g_return_if_fail() non-NULL checks.

1
docs/reference/gdk/gdk-sections.txt
View File

@ -1262,6 +1262,7 @@ gdk_x11_cursor_get_xdisplay
gdk_x11_display_get_xdisplay
gdk_x11_display_grab
gdk_x11_display_ungrab
gdk_x11_display_set_cursor_theme
gdk_x11_register_standard_event_type
gdk_x11_drawable_get_xdisplay
gdk_x11_drawable_get_xid

1
gdk/gdk.symbols
View File

@ -1111,6 +1111,7 @@ gdkx_colormap_get
#if IN_FILE(__GDK_CURSOR_X11_C__)
gdk_x11_cursor_get_xcursor
gdk_x11_cursor_get_xdisplay
gdk_x11_display_set_cursor_theme
#endif
#if IN_FILE(__GDK_DISPLAY_X11_C__)

154
gdk/x11/gdkcursor-x11.c
View File

@ -25,6 +25,9 @@
*/
#include <config.h>
#define GDK_PIXBUF_ENABLE_BACKEND
#include <X11/Xlib.h>
#include <X11/cursorfont.h>
#ifdef HAVE_XCURSOR
@ -40,7 +43,6 @@
#include "gdkpixmap-x11.h"
#include "gdkx.h"
#include <gdk/gdkpixmap.h>
#define GDK_PIXBUF_ENABLE_BACKEND
#include <gdk-pixbuf/gdk-pixbuf.h>
#include "gdkalias.h"
@ -312,34 +314,6 @@ gdk_cursor_get_display (GdkCursor *cursor)
#if defined(HAVE_XCURSOR) && defined(HAVE_XFIXES) && XFIXES_MAJOR >= 2
#if 0
XcursorComments *
load_comments (const char *file,
const char *theme)
{
FILE *f = 0;
XcursorImages *images = 0;
XcursorComments *comments = 0;
if (theme)
f = XcursorScanTheme (theme, file);
if (!f)
f = XcursorScanTheme ("default", file);
if (f == XCURSOR_SCAN_CORE)
return 0;
if (f)
{
XcursorFileLoad (f, &comments, &images);
fclose (f);
if (images)
XcursorImagesDestroy (images);
}
return comments;
}
#endif
/**
* gdk_cursor_get_image:
* @cursor: a #GdkCursor
@ -361,14 +335,11 @@ gdk_cursor_get_image (GdkCursor *cursor)
GdkCursorPrivate *private;
XcursorImages *images = NULL;
XcursorImage *image;
XcursorComments *comments;
Atom atom;
gint size;
gchar buf[32];
guchar *data;
GdkPixbuf *pixbuf;
gchar *theme;
gint i, j;
g_return_val_if_fail (cursor != NULL, NULL);
@ -407,34 +378,97 @@ gdk_cursor_get_image (GdkCursor *cursor)
g_snprintf (buf, 32, "%d", image->yhot);
gdk_pixbuf_set_option (pixbuf, "y_hot", buf);
#if 0
comments = load_comments (images->name, theme);
j = 0;
for (i = 0; i < comments->ncomment; i++)
{
switch (comments->comments[i].comment_type)
{
case XCURSOR_COMMENT_COPYRIGHT:
gdk_pixbuf_set_option (pixbuf, "copyright", comments->comments[i].comment);
break;
case XCURSOR_COMMENT_LICENSE:
gdk_pixbuf_set_option (pixbuf, "license", comments->comments[i].comment);
break;
default:
g_snprintf (buf, 32, "comment%d", j++);
gdk_pixbuf_set_option (pixbuf, buf, comments->comments[i].comment);
break;
}
}
XcursorCommentsDestroy (comments);
#endif
XcursorImagesDestroy (images);
return pixbuf;
}
static void
update_cursor (gpointer key,
gpointer value,
gpointer data)
{
Display *xdisplay;
GdkWindow *window;
GdkCursor *cursor;
GdkCursorPrivate *private;
Cursor new_cursor = None;
if (!GDK_IS_WINDOW (value))
return;
cursor = _gdk_x11_window_get_cursor (GDK_WINDOW (value));
if (!cursor)
return;
private = (GdkCursorPrivate *) cursor;
xdisplay = (Display *)data;
if (private->xcursor != None)
{
if (cursor->type == GDK_CURSOR_IS_PIXMAP)
{
if (private->name)
new_cursor = XcursorLibraryLoadCursor (xdisplay, private->name);
}
else
new_cursor = XcursorShapeLoadCursor (xdisplay, cursor->type);
if (new_cursor != None)
XFixesChangeCursor (xdisplay, new_cursor, private->xcursor);
}
}
/**
* gdk_x11_display_set_cursor_theme:
* @display: a #GdkDisplay
* @theme: the name of the cursor theme to use
* @size: the cursor size to use
*
* Sets the cursor theme from which the images for cursor
* should be taken.
*
* If the windowing system supports it, existing cursors created
* with gdk_cursor_new(), gdk_cursor_new_for_display() and
* gdk_cursor_new_for_name() are updated to reflect the theme
* change. Custom cursors constructed with gdk_cursor_new_from_pixmap()
* or gdk_cursor_new_from_pixbuf() will have to be handled
* by the application (GTK+ applications can learn about
* cursor theme changes by listening for change notification
* for the corresponding #GtkSetting).
*
* Since: 2.8
*/
void
gdk_x11_display_set_cursor_theme (GdkDisplay *display,
const gchar *theme,
const gint size)
{
GdkDisplayX11 *display_x11;
Display *xdisplay;
gchar *old_theme;
gint old_size;
g_return_if_fail (GDK_IS_DISPLAY (display));
display_x11 = GDK_DISPLAY_X11 (display);
xdisplay = GDK_DISPLAY_XDISPLAY (display);
old_theme = XcursorGetTheme (xdisplay);
old_size = XcursorGetDefaultSize (xdisplay);
if (old_size == size &&
old_theme && strcmp (old_theme, theme) == 0)
return;
XcursorSetTheme (xdisplay, theme);
XcursorSetDefaultSize (xdisplay, size);
g_hash_table_foreach (display_x11->xid_ht,
update_cursor, xdisplay);
}
#else
GdkPixbuf*
@ -445,6 +479,16 @@ gdk_cursor_get_image (GdkCursor *cursor)
return NULL;
}
void
gdk_x11_display_set_cursor_theme (GdkDisplay *display,
const gchar *theme,
const gint size)
{
g_return_if_fail (GDK_IS_DISPLAY (display));
/* nothing to do */
}
#endif
#ifdef HAVE_XCURSOR

38
gdk/x11/gdkwindow-x11.c
View File

@ -224,6 +224,9 @@ gdk_window_impl_x11_finalize (GObject *object)
if (window_impl->toplevel)
g_free (window_impl->toplevel);
if (window_impl->cursor)
gdk_cursor_unref (window_impl->cursor);
G_OBJECT_CLASS (parent_class)->finalize (object);
}
@ -2854,22 +2857,51 @@ void
gdk_window_set_cursor (GdkWindow *window,
GdkCursor *cursor)
{
GdkWindowObject *private;
GdkWindowImplX11 *impl;
GdkCursorPrivate *cursor_private;
Cursor xcursor;
g_return_if_fail (GDK_IS_WINDOW (window));
private = (GdkWindowObject *)window;
impl = GDK_WINDOW_IMPL_X11 (private->impl);
cursor_private = (GdkCursorPrivate*) cursor;
if (impl->cursor)
{
gdk_cursor_unref (impl->cursor);
impl->cursor = NULL;
}
if (!cursor)
xcursor = None;
else
xcursor = cursor_private->xcursor;
if (!GDK_WINDOW_DESTROYED (window))
XDefineCursor (GDK_WINDOW_XDISPLAY (window),
GDK_WINDOW_XID (window),
xcursor);
{
XDefineCursor (GDK_WINDOW_XDISPLAY (window),
GDK_WINDOW_XID (window),
xcursor);
if (cursor)
impl->cursor = gdk_cursor_ref (cursor);
}
}
GdkCursor *
_gdk_x11_window_get_cursor (GdkWindow *window)
{
GdkWindowObject *private;
GdkWindowImplX11 *impl;
g_return_if_fail (GDK_IS_WINDOW (window));
private = (GdkWindowObject *)window;
impl = GDK_WINDOW_IMPL_X11 (private->impl);
return impl->cursor;
}
/**

3
gdk/x11/gdkwindow-x11.h
View File

@ -75,6 +75,7 @@ struct _GdkWindowImplX11
GdkXPositionInfo position_info;
GdkToplevelX11 *toplevel; /* Toplevel-specific information */
GdkCursor *cursor;
gint8 toplevel_window_type;
guint override_redirect : 1;
guint use_synchronized_configure : 1;
@ -158,6 +159,8 @@ void _gdk_x11_window_tmp_reset_bg (GdkWindow *window,
gboolean recurse);
GdkCursor *_gdk_x11_window_get_cursor (GdkWindow *window);
G_END_DECLS
#endif /* __GDK_WINDOW_X11_H__ */

4
gdk/x11/gdkx.h
View File

@ -141,6 +141,10 @@ gpointer gdk_xid_table_lookup_for_display (GdkDisplay *display,
guint32 gdk_x11_get_server_time (GdkWindow *window);
guint32 gdk_x11_display_get_user_time (GdkDisplay *display);
void gdk_x11_display_set_cursor_theme (GdkDisplay *display,
const gchar *theme,
const gint size);
/* returns TRUE if we support the given WM spec feature */
gboolean gdk_x11_screen_supports_net_wm_hint (GdkScreen *screen,
GdkAtom property);