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This change adds support for the new _NET_WM_FULLSCREEN_MONITORS

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property and client message.  This allows client applications to request
 	that a fullscreen window cover more than one monitor.
 	* src/include/boxes.h:
	* src/core/boxes.c: Add meta_rectangle_union
 	* src/core/window-private.h:
	* src/core/window.c:
 	(meta_window_new_with_attrs, meta_window_free, set_net_wm_state,
 	meta_window_update_fullscreen_monitors, meta_window_client_message): Add
 	MetaWindow property to store fullscreen monitors field, update
 	_NET_WM_FULLSCREEN_MONITORS property on windows, and handle client
 	message.
 	* src/core/atomnames.h: Add _NET_WM_FULLSCREEN_MONITORS atom.
 	* src/core/constraints.c (setup_constraint_info): If
 	_NET_WM_FULLSCREEN_MONITORS is interesting, use the data stored in
 	MetaWindow::fullscreen_monitors to determine the fullscreen area instead
 	of the basic xinerama_info area.


svn path=/trunk/; revision=4021
This commit is contained in:
Thomas James Alexander Thurman 2008-11-17 02:57:20 +00:00
parent 6e8c233d6a
commit a06d96316e
7 changed files with 166 additions and 2 deletions
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24
ChangeLog
View File

@ -1,3 +1,27 @@
2008-11-16 David Trowbridge <trowbrds@gmail.com>
This change adds support for the new _NET_WM_FULLSCREEN_MONITORS
property and client message. This allows client applications to request
that a fullscreen window cover more than one monitor.
* src/include/boxes.h:
* src/core/boxes.c: Add meta_rectangle_union
* src/core/window-private.h:
* src/core/window.c:
(meta_window_new_with_attrs, meta_window_free, set_net_wm_state,
meta_window_update_fullscreen_monitors, meta_window_client_message): Add
MetaWindow property to store fullscreen monitors field, update
_NET_WM_FULLSCREEN_MONITORS property on windows, and handle client
message.
* src/core/atomnames.h: Add _NET_WM_FULLSCREEN_MONITORS atom.
* src/core/constraints.c (setup_constraint_info): If
_NET_WM_FULLSCREEN_MONITORS is interesting, use the data stored in
MetaWindow::fullscreen_monitors to determine the fullscreen area instead
of the basic xinerama_info area.
2008-11-11 Thomas Thurman <tthurman@gnome.org>
Removed deprecated calls. Closes #560445.

1
src/core/atomnames.h
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@ -155,6 +155,7 @@ item(_NET_WM_USER_TIME_WINDOW)
item(_NET_WM_ACTION_ABOVE)
item(_NET_WM_ACTION_BELOW)
item(_NET_WM_STATE_STICKY)
item(_NET_WM_FULLSCREEN_MONITORS)
#if 0
/* We apparently never use: */

34
src/core/boxes.c
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@ -197,6 +197,40 @@ meta_rectangle_equal (const MetaRectangle *src1,
(src1->height == src2->height));
}
void
meta_rectangle_union (const MetaRectangle *rect1,
const MetaRectangle *rect2,
MetaRectangle *dest)
{
int dest_x, dest_y;
int dest_w, dest_h;
dest_x = rect1->x;
dest_y = rect1->y;
dest_w = rect1->width;
dest_h = rect1->height;
if (rect2->x < dest_x)
{
dest_w += dest_x - rect2->x;
dest_x = rect2->x;
}
if (rect2->y < dest_y)
{
dest_h += dest_y - rect2->y;
dest_y = rect2->y;
}
if (rect2->x + rect2->width > dest_x + dest_w)
dest_w = rect2->x + rect2->width - dest_x;
if (rect2->y + rect2->height > dest_y + dest_h)
dest_h = rect2->y + rect2->height - dest_y;
dest->x = dest_x;
dest->y = dest_y;
dest->width = dest_w;
dest->height = dest_h;
}
gboolean
meta_rectangle_overlap (const MetaRectangle *rect1,
const MetaRectangle *rect2)

24
src/core/constraints.c
View File

@ -392,7 +392,27 @@ setup_constraint_info (ConstraintInfo *info,
meta_window_get_work_area_for_xinerama (window,
xinerama_info->number,
&info->work_area_xinerama);
info->entire_xinerama = xinerama_info->rect;
if (!window->fullscreen || window->fullscreen_monitors[0] == -1)
{
info->entire_xinerama = xinerama_info->rect;
}
else
{
int i = 0;
long monitor;
monitor = window->fullscreen_monitors[i];
info->entire_xinerama =
window->screen->xinerama_infos[monitor].rect;
for (i = 1; i <= 3; i++)
{
monitor = window->fullscreen_monitors[i];
meta_rectangle_union (&info->entire_xinerama,
&window->screen->xinerama_infos[monitor].rect,
&info->entire_xinerama);
}
}
cur_workspace = window->screen->active_workspace;
info->usable_screen_region =
@ -784,7 +804,9 @@ constrain_fullscreen (MetaWindow *window,
/* Determine whether constraint applies; exit if it doesn't */
if (!window->fullscreen)
return TRUE;
xinerama = info->entire_xinerama;
get_size_limits (window, info->fgeom, FALSE, &min_size, &max_size);
too_big = !meta_rectangle_could_fit_rect (&xinerama, &min_size);
too_small = !meta_rectangle_could_fit_rect (&max_size, &xinerama);

11
src/core/window-private.h
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@ -143,6 +143,12 @@ struct _MetaWindow
/* Whether we're fullscreen */
guint fullscreen : 1;
/* Area to cover when in fullscreen mode. If _NET_WM_FULLSCREEN_MONITORS has
* been overridden (via a client message), the window will cover the union of
* these monitors. If not, this is the single monitor which the window's
* origin is on. */
long fullscreen_monitors[4];
/* Whether we're trying to constrain the window to be fully onscreen */
guint require_fully_onscreen : 1;
@ -420,6 +426,11 @@ void meta_window_activate_with_workspace (MetaWindow *window,
void meta_window_make_fullscreen_internal (MetaWindow *window);
void meta_window_make_fullscreen (MetaWindow *window);
void meta_window_unmake_fullscreen (MetaWindow *window);
void meta_window_update_fullscreen_monitors (MetaWindow *window,
unsigned long top,
unsigned long bottom,
unsigned long left,
unsigned long right);
/* args to move are window pos, not frame pos */
void meta_window_move (MetaWindow *window,

69
src/core/window.c
View File

@ -249,7 +249,7 @@ meta_window_new_with_attrs (MetaDisplay *display,
gulong existing_wm_state;
gulong event_mask;
MetaMoveResizeFlags flags;
#define N_INITIAL_PROPS 18
#define N_INITIAL_PROPS 19
Atom initial_props[N_INITIAL_PROPS];
int i;
gboolean has_shape;
@ -461,6 +461,7 @@ meta_window_new_with_attrs (MetaDisplay *display,
window->maximize_vertically_after_placement = FALSE;
window->minimize_after_placement = FALSE;
window->fullscreen = FALSE;
window->fullscreen_monitors[0] = -1;
window->require_fully_onscreen = TRUE;
window->require_on_single_xinerama = TRUE;
window->require_titlebar_visible = TRUE;
@ -591,6 +592,7 @@ meta_window_new_with_attrs (MetaDisplay *display,
initial_props[i++] = display->atom__MOTIF_WM_HINTS;
initial_props[i++] = XA_WM_TRANSIENT_FOR;
initial_props[i++] = display->atom__NET_WM_USER_TIME_WINDOW;
initial_props[i++] = display->atom__NET_WM_FULLSCREEN_MONITORS;
g_assert (N_INITIAL_PROPS == i);
meta_window_reload_properties (window, initial_props, N_INITIAL_PROPS);
@ -1115,6 +1117,9 @@ meta_window_free (MetaWindow *window,
XDeleteProperty (window->display->xdisplay,
window->xwindow,
window->display->atom__NET_WM_STATE);
XDeleteProperty (window->display->xdisplay,
window->xwindow,
window->display->atom__NET_WM_FULLSCREEN_MONITORS);
set_wm_state (window, WithdrawnState);
meta_error_trap_pop (window->display, FALSE);
}
@ -1300,6 +1305,23 @@ set_net_wm_state (MetaWindow *window)
XA_ATOM,
32, PropModeReplace, (guchar*) data, i);
meta_error_trap_pop (window->display, FALSE);
if (window->fullscreen)
{
data[0] = window->fullscreen_monitors[0];
data[1] = window->fullscreen_monitors[1];
data[2] = window->fullscreen_monitors[2];
data[3] = window->fullscreen_monitors[3];
meta_verbose ("Setting _NET_WM_FULLSCREEN_MONITORS\n");
meta_error_trap_push (window->display);
XChangeProperty (window->display->xdisplay,
window->xwindow,
window->display->atom__NET_WM_FULLSCREEN_MONITORS,
XA_CARDINAL, 32, PropModeReplace,
(guchar*) data, 4);
meta_error_trap_pop (window->display, FALSE);
}
}
gboolean
@ -2794,6 +2816,34 @@ meta_window_unmake_fullscreen (MetaWindow *window)
}
}
void
meta_window_update_fullscreen_monitors (MetaWindow *window,
unsigned long top,
unsigned long bottom,
unsigned long left,
unsigned long right)
{
if ((int)top < window->screen->n_xinerama_infos &&
(int)bottom < window->screen->n_xinerama_infos &&
(int)left < window->screen->n_xinerama_infos &&
(int)right < window->screen->n_xinerama_infos)
{
window->fullscreen_monitors[0] = top;
window->fullscreen_monitors[1] = bottom;
window->fullscreen_monitors[2] = left;
window->fullscreen_monitors[3] = right;
}
else
{
window->fullscreen_monitors[0] = -1;
}
if (window->fullscreen)
{
meta_window_queue(window, META_QUEUE_MOVE_RESIZE);
}
}
void
meta_window_shade (MetaWindow *window,
guint32 timestamp)
@ -5144,6 +5194,23 @@ meta_window_client_message (MetaWindow *window,
window_activate (window, timestamp, source_indication, NULL);
return TRUE;
}
else if (event->xclient.message_type ==
display->atom__NET_WM_FULLSCREEN_MONITORS)
{
MetaClientType source_indication;
gulong top, bottom, left, right;
meta_verbose ("_NET_WM_FULLSCREEN_MONITORS request for window '%s'\n",
window->desc);
top = event->xclient.data.l[0];
bottom = event->xclient.data.l[1];
left = event->xclient.data.l[2];
right = event->xclient.data.l[3];
source_indication = event->xclient.data.l[4];
meta_window_update_fullscreen_monitors (window, top, bottom, left, right);
}
return FALSE;
}

5
src/include/boxes.h
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@ -103,6 +103,11 @@ gboolean meta_rectangle_intersect (const MetaRectangle *src1,
gboolean meta_rectangle_equal (const MetaRectangle *src1,
const MetaRectangle *src2);
/* Find the bounding box of the union of two rectangles */
void meta_rectangle_union (const MetaRectangle *rect1,
const MetaRectangle *rect2,
MetaRectangle *dest);
/* overlap is similar to intersect but doesn't provide location of
* intersection information.
*/