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Split the ScreenInfo data structure into separate, new files

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Wed Mar  3 13:25:03 2006  Søren Sandmann  <sandmann@redhat.com>

        * src/compositor.c, src/c-screen.[ch]: Split the ScreenInfo data
        structure into separate, new files c-screen.[ch].

        * src/errors.c (x_error_handler): Forward foreign errors to
        foreign displays.

        * src/errors.c (meta_errors_register_foreign_display): Implement
        this function

        * src/errors.h: Add new meta_errors_register_foreign_display()
This commit is contained in:
Søren Sandmann 2006-03-03 15:53:10 +00:00 committed by Søren Sandmann Pedersen
parent 7a8e3c94fd
commit 832968ddd6
11 changed files with 785 additions and 846 deletions
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13
ChangeLog
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@ -1,3 +1,16 @@
Wed Mar 3 13:25:03 2006 Søren Sandmann <sandmann@redhat.com>
* src/compositor.c, src/c-screen.[ch]: Split the ScreenInfo data
structure into separate, new files c-screen.[ch].
* src/errors.c (x_error_handler): Forward foreign errors to
foreign displays.
* src/errors.c (meta_errors_register_foreign_display): Implement
this function
* src/errors.h: Add new meta_errors_register_foreign_display()
Tue Feb 28 14:49:23 2006 Søren Sandmann <sandmann@redhat.com>
* src/compositor.c: Put the windows in a stacker rather than

2
src/Makefile.am
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@ -16,6 +16,8 @@ metacity_SOURCES= \
boxes.h \
boxes.c \
common.h \
c-screen.c \
c-screen.h \
compositor.c \
compositor.h \
constraints.c \

521
src/c-screen.c Normal file
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@ -0,0 +1,521 @@
/*
* Copyright (C) 2006 Red Hat, Inc.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
* 02111-1307, USA.
*/
#ifdef HAVE_COMPOSITOR_EXTENSIONS
#include <config.h>
#include <cm/ws.h>
#include <cm/stacker.h>
#include <cm/wsint.h>
#include <cm/drawable-node.h>
#include <cm/state.h>
#include "screen.h"
#include "c-screen.h"
struct MetaScreenInfo
{
WsDisplay *display;
CmStacker *stacker;
WsWindow *gl_window;
WsScreen *screen;
MetaScreen *meta_screen;
GHashTable *nodes_by_xid;
int repaint_id;
int idle_id;
};
#if 0
static void
update_frame_counter (void)
{
#define BUFSIZE 128
static GTimer *timer;
static double buffer [BUFSIZE];
static int next = 0;
if (!timer)
timer = g_timer_new ();
buffer[next++] = g_timer_elapsed (timer, NULL);
if (next == BUFSIZE)
{
int i;
double total;
next = 0;
total = 0.0;
for (i = 1; i < BUFSIZE; ++i)
total += buffer[i] - buffer[i - 1];
g_print ("frames per second: %f\n", 1 / (total / (BUFSIZE - 1)));
}
}
#endif
static void
dump_stacking_order (GList *nodes)
{
GList *list;
for (list = nodes; list != NULL; list = list->next)
{
CmDrawableNode *node = list->data;
if (node)
g_print ("%lx, ", WS_RESOURCE_XID (node->drawable));
}
g_print ("\n");
}
static gboolean
repaint (gpointer data)
{
MetaScreenInfo *info = data;
CmState *state;
glViewport (0, 0,
info->meta_screen->rect.width,
info->meta_screen->rect.height);
glClearColor (1.0, 0.8, 0.8, 0.0);
glClear (GL_COLOR_BUFFER_BIT);
ws_window_raise (info->gl_window);
state = cm_state_new ();
cm_state_disable_depth_buffer_update (state);
cm_node_render (CM_NODE (info->stacker), state);
cm_state_enable_depth_buffer_update (state);
g_object_unref (state);
ws_window_gl_swap_buffers (info->gl_window);
glFinish();
#if 0
dump_stacking_order (info->stacker->children);
#endif
info->idle_id = 0;
return FALSE;
}
static CmNode *
find_node (MetaScreenInfo *info,
Window xwindow)
{
CmNode *node;
node = g_hash_table_lookup (info->nodes_by_xid, (gpointer)xwindow);
return node;
}
static GList *all_screen_infos;
MetaScreenInfo *
meta_screen_info_get_by_xwindow (Window xwindow)
{
GList *list;
for (list = all_screen_infos; list != NULL; list = list->next)
{
MetaScreenInfo *info = list->data;
if (find_node (info, xwindow))
return info;
}
return NULL;
}
MetaScreenInfo *
meta_screen_info_new (WsDisplay *display,
MetaScreen *screen)
{
MetaScreenInfo *scr_info = g_new0 (MetaScreenInfo, 1);
WsRegion *region;
scr_info->screen = ws_display_get_screen_from_number (
display, screen->number);
scr_info->display = display;
scr_info->gl_window = ws_screen_get_gl_window (scr_info->screen);
scr_info->nodes_by_xid = g_hash_table_new (g_direct_hash, g_direct_equal);
scr_info->meta_screen = screen;
/* FIXME: This should probably happen in libcm */
ws_window_set_override_redirect (scr_info->gl_window, TRUE);
region = ws_region_new (scr_info->display);
ws_window_set_input_shape (scr_info->gl_window, region);
g_object_unref (G_OBJECT (region));
all_screen_infos = g_list_prepend (all_screen_infos, scr_info);
return scr_info;
}
static gboolean
claim_selection (MetaScreenInfo *info)
{
/* FIXME:
*
* The plan here is to
*
* - Add Selections and Properties as first class objects
* in WS
*
* - Use those to
* - claim the selection
* - back off if someone else claims the selection
* - back back in if that someone else disappears
*
*/
Display *xdisplay;
char *buffer;
Atom atom;
Window current_cm_sn_owner;
WsWindow *new_cm_sn_owner;
xdisplay = info->meta_screen->display->xdisplay;
buffer = g_strdup_printf ("CM_S%d", info->meta_screen->number);
atom = XInternAtom (xdisplay, buffer, False);
current_cm_sn_owner = XGetSelectionOwner (xdisplay, atom);
if (current_cm_sn_owner != None)
{
return FALSE;
}
new_cm_sn_owner = ws_screen_get_root_window (info->screen);
XSetSelectionOwner (xdisplay, atom,
WS_RESOURCE_XID (new_cm_sn_owner),
CurrentTime);
return TRUE;
}
void
meta_screen_info_redirect (MetaScreenInfo *info)
{
WsWindow *root = ws_screen_get_root_window (info->screen);
#if 0
g_print ("redirecting %lx\n", WS_RESOURCE_XID (root));
#endif
ws_window_redirect_subwindows (root);
ws_window_unredirect (info->gl_window);
claim_selection (info);
ws_window_map (info->gl_window);
info->stacker = cm_stacker_new ();
ws_display_sync (info->display);
}
void
meta_screen_info_unredirect (MetaScreenInfo *info)
{
WsScreen *ws_screen = info->screen;
WsWindow *root = ws_screen_get_root_window (ws_screen);
#if 0
g_print ("unredirecting %lx\n", WS_RESOURCE_XID (root));
#endif
g_signal_handler_disconnect (info->stacker, info->repaint_id);
g_object_unref (info->stacker);
ws_window_unredirect_subwindows (root);
ws_window_unmap (info->gl_window);
ws_display_sync (info->display);
}
void
meta_screen_info_queue_paint (MetaScreenInfo *info)
{
if (!info->idle_id)
info->idle_id = g_idle_add (repaint, info);
}
void
meta_screen_info_restack (MetaScreenInfo *info,
Window window,
Window above_this)
{
CmNode *window_node = find_node (info, window);
CmNode *above_node = find_node (info, above_this);
#if 0
g_print ("restack %lx over %lx \n", window, above_this);
#endif
#if 0
dump_stacking_order (info->stacker->children);
#endif
if (window_node == above_node)
return;
if (window_node && above_this == WS_RESOURCE_XID (info->gl_window))
{
cm_stacker_raise_child (info->stacker, window_node);
}
else if (window_node && above_this == None)
{
cm_stacker_lower_child (info->stacker, window_node);
}
else if (window_node && above_node)
{
cm_stacker_restack_child (info->stacker, window_node, above_node);
}
else
g_print ("nothing happened\n");
#if 0
g_print ("done restacking; new order:\n");
#endif
#if 0
dump_stacking_order (info->stacker->children);
#endif
}
void
meta_screen_info_raise_window (MetaScreenInfo *info,
Window window)
{
CmNode *node = find_node (info, window);
if (node)
cm_stacker_raise_child (info->stacker, node);
}
void
meta_screen_info_set_size (MetaScreenInfo *info,
Window window,
gint x,
gint y,
gint width,
gint height)
{
CmNode *node = find_node (info, window);
if (node)
cm_drawable_node_set_geometry (CM_DRAWABLE_NODE (node),
x, y, width, height);
}
static void
queue_paint (CmStacker *stacker,
MetaScreenInfo *info)
{
meta_screen_info_queue_paint (info);
}
static void
print_child_titles (WsWindow *window)
{
GList *children = ws_window_query_subwindows (window);
GList *list;
int i;
g_print ("window: %lx %s\n", WS_RESOURCE_XID (window), ws_window_query_title (window));
i = 0;
for (list = children; list != NULL; list = list->next)
{
WsWindow *child = list->data;
g_print (" %d adding: %lx %s\n", i++, WS_RESOURCE_XID (child), ws_window_query_title (child));
}
}
void
meta_screen_info_add_window (MetaScreenInfo *info,
Window xwindow)
{
CmNode *node;
WsDrawable *drawable;
ws_display_begin_error_trap (info->display);
node = find_node (info, xwindow);
drawable = WS_DRAWABLE (ws_window_lookup (info->display, xwindow));
if (node)
goto out;
if (ws_window_query_input_only (WS_WINDOW (drawable)))
goto out;
node = CM_NODE (cm_drawable_node_new (drawable));
#if 0
print_child_titles (WS_WINDOW (drawable));
#endif
cm_stacker_add_child (info->stacker, node);
g_hash_table_insert (info->nodes_by_xid, (gpointer)xwindow, node);
g_object_unref (node);
info->repaint_id =
g_signal_connect (info->stacker, "need_repaint",
G_CALLBACK (queue_paint), info);
out:
if (node)
{
#if 0
g_print ("drawable %lx is now ", WS_RESOURCE_XID (drawable));
#endif
if (ws_window_query_mapped (WS_WINDOW (drawable)))
{
#if 0
g_print ("mapped\n");
#endif
cm_drawable_node_unset_geometry (node);
cm_drawable_node_set_alpha (node, 1.0);
cm_drawable_node_set_viewable (node, TRUE);
cm_drawable_node_update_pixmap (node);
}
else
{
#if 0
g_print ("unmapped\n");
#endif
cm_drawable_node_set_viewable (node, FALSE);
}
}
ws_display_end_error_trap (info->display);
#if 0
g_print ("done checking\n");
#endif
return;
}
void
meta_screen_info_remove_window (MetaScreenInfo *info,
Window xwindow)
{
CmNode *node = find_node (info, xwindow);
g_print ("removing %lx\n", xwindow);
g_hash_table_remove (info->nodes_by_xid, (gpointer)xwindow);
cm_stacker_remove_child (info->stacker, node);
}
void
meta_screen_info_set_updates (MetaScreenInfo *info,
Window xwindow,
gboolean updates)
{
CmDrawableNode *node = CM_DRAWABLE_NODE (find_node (info, xwindow));
if (node)
cm_drawable_node_set_updates (node, updates);
}
void
meta_screen_info_set_patch (MetaScreenInfo *info,
Window xwindow,
CmPoint points[4][4])
{
CmDrawableNode *node = CM_DRAWABLE_NODE (find_node (info, xwindow));
if (node)
cm_drawable_node_set_patch (node, points);
}
void
meta_screen_info_unset_patch (MetaScreenInfo *info,
Window xwindow)
{
CmDrawableNode *node = CM_DRAWABLE_NODE (find_node (info, xwindow));
if (node)
cm_drawable_node_unset_geometry (node);
}
void
meta_screen_info_set_alpha (MetaScreenInfo *info,
Window xwindow,
gdouble alpha)
{
CmDrawableNode *node = CM_DRAWABLE_NODE (find_node (info, xwindow));
cm_drawable_node_set_alpha (node, alpha);
}
void
meta_screen_info_get_real_size (MetaScreenInfo *info,
Window xwindow,
WsRectangle *size)
{
CmDrawableNode *node = CM_DRAWABLE_NODE (find_node (info, xwindow));
if (!size)
return;
size->x = node->real_x;
size->y = node->real_y;
size->width = node->real_width;
size->height = node->real_height;
}
void
meta_screen_info_unmap (MetaScreenInfo *info,
Window xwindow)
{
CmDrawableNode *node = CM_DRAWABLE_NODE (find_node (info, xwindow));
#if 0
g_print ("unmapping: %lx\n", xwindow);
#endif
if (node)
cm_drawable_node_set_viewable (node, FALSE);
}
#endif

40
src/c-screen.h Normal file
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@ -0,0 +1,40 @@
#include "screen.h"
typedef struct MetaScreenInfo MetaScreenInfo;
MetaScreenInfo *meta_screen_info_new (WsDisplay *display,
MetaScreen *screen);
MetaScreenInfo *meta_screen_info_get_by_xwindow (Window xwindow);
void meta_screen_info_destroy (MetaScreenInfo *scr_info);
void meta_screen_info_redirect (MetaScreenInfo *info);
void meta_screen_info_unredirect (MetaScreenInfo *info);
void meta_screen_info_add_window (MetaScreenInfo *scr_info,
Window xwindow);
void meta_screen_info_remove_window (MetaScreenInfo *scr_info,
Window xwindow);
void meta_screen_info_restack (MetaScreenInfo *scr_info,
Window window,
Window above_this);
void meta_screen_info_set_size (MetaScreenInfo *info,
Window window,
gint x,
gint y,
gint width,
gint height);
void meta_screen_info_raise_window (MetaScreenInfo *scr_info,
Window window);
void meta_screen_info_queue_paint (MetaScreenInfo *info);
void meta_screen_info_set_updates (MetaScreenInfo *info,
Window xwindow,
gboolean updates);
void meta_screen_info_set_patch (MetaScreenInfo *info,
Window xwindow,
CmPoint points[4][4]);
void meta_screen_info_unset_patch (MetaScreenInfo *info,
Window xwindow);
void meta_screen_info_set_alpha (MetaScreenInfo *info,
Window xwindow,
gdouble alpha);
void meta_screen_info_get_real_size (MetaScreenInfo *info,
Window xwindow,
WsRectangle *size);

941
src/compositor.c
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File diff suppressed because it is too large Load Diff

9
src/compositor.h
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@ -55,15 +55,6 @@ void meta_compositor_minimize (MetaCompositor *compositor,
gpointer finished_data);
void
meta_compositor_unminimize (MetaCompositor *compositor,
MetaWindow *window,
int x,
int y,
int width,
int height,
MetaAnimationFinishedFunc finished,
gpointer data);
void
meta_compositor_set_updates (MetaCompositor *compositor,
MetaWindow *window,
gboolean updates);

40
src/errors.c
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@ -37,6 +37,31 @@ meta_errors_init (void)
XSetIOErrorHandler (x_io_error_handler);
}
typedef struct ForeignDisplay ForeignDisplay;
struct ForeignDisplay
{
Display *dpy;
ErrorHandler handler;
gpointer data;
ForeignDisplay *next;
};
static ForeignDisplay *foreign_displays;
void
meta_errors_register_foreign_display (Display *foreign_dpy,
ErrorHandler handler,
gpointer data)
{
ForeignDisplay *info = g_new0 (ForeignDisplay, 1);
info->dpy = foreign_dpy;
info->handler = handler;
info->data = data;
info->next = foreign_displays;
foreign_displays = info;
}
static void
meta_error_trap_push_internal (MetaDisplay *display,
gboolean need_sync)
@ -178,6 +203,17 @@ x_error_handler (Display *xdisplay,
int retval;
gchar buf[64];
MetaDisplay *display;
ForeignDisplay *foreign;
for (foreign = foreign_displays; foreign != NULL; foreign = foreign->next)
{
if (foreign->dpy == xdisplay)
{
foreign->handler (xdisplay, error, foreign->data);
return 0;
}
}
XGetErrorText (xdisplay, error->error_code, buf, 63);
@ -186,7 +222,7 @@ x_error_handler (Display *xdisplay,
/* Display can be NULL here because the compositing manager
* has its own Display, but Xlib only has one global error handler
*/
if (display && display->error_traps > 0)
if (display->error_traps > 0)
{
/* we're in an error trap, chain to the trap handler
* saved from GDK
@ -247,5 +283,3 @@ x_io_error_handler (Display *xdisplay)
return 0;
}

8
src/errors.h
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@ -25,7 +25,15 @@
#include "util.h"
#include "display.h"
typedef void (* ErrorHandler) (Display *dpy,
XErrorEvent *error,
gpointer data);
void meta_errors_init (void);
void meta_errors_register_foreign_display (Display *foreign_dpy,
ErrorHandler handler,
gpointer data);
void meta_error_trap_push (MetaDisplay *display);
void meta_error_trap_pop (MetaDisplay *display,
gboolean last_request_was_roundtrip);

6
src/screen.c
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@ -816,6 +816,8 @@ meta_screen_composite_all_windows (MetaScreen *screen)
if (!screen->display->compositor)
return;
g_print ("composite all asdf\n");
windows = list_windows (screen);
meta_stack_freeze (screen->stack);
@ -824,12 +826,16 @@ meta_screen_composite_all_windows (MetaScreen *screen)
{
WindowInfo *info = list->data;
g_print ("composite all adds window\n");
meta_compositor_add_window (screen->display->compositor,
info->xwindow, &info->attrs);
}
meta_stack_thaw (screen->stack);
g_print ("composite all ends\n");
g_list_foreach (windows, (GFunc)g_free, NULL);
g_list_free (windows);
}

1
src/window.c
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@ -1319,6 +1319,7 @@ finish_minimize (gpointer data)
meta_window_hide (window);
if (window->has_focus)
{
g_print ("focusing something other than %lx\n", window->frame->xwindow);
meta_workspace_focus_default_window
(window->screen->active_workspace,
window,