Sweden-Number/dlls/winex11.drv/desktop.c

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/*
* X11DRV desktop window handling
*
* Copyright 2001 Alexandre Julliard
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*/
#include "config.h"
#include <X11/cursorfont.h>
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#include <X11/Xlib.h>
#include "x11drv.h"
/* avoid conflict with field names in included win32 headers */
#undef Status
#include "wine/debug.h"
WINE_DEFAULT_DEBUG_CHANNEL(x11drv);
/* data for resolution changing */
static struct x11drv_mode_info *dd_modes;
static unsigned int dd_mode_count;
static unsigned int max_width;
static unsigned int max_height;
static const unsigned int widths[] = {320, 320, 400, 512, 640, 800, 1024, 1152, 1280, 1280, 1400, 1600};
static const unsigned int heights[] = {200, 240, 300, 384, 480, 600, 768, 864, 960, 1024, 1050, 1200};
#define NUM_DESKTOP_MODES (sizeof(widths) / sizeof(widths[0]))
#define _NET_WM_STATE_REMOVE 0
#define _NET_WM_STATE_ADD 1
/* create the mode structures */
static void make_modes(void)
{
RECT primary_rect = get_primary_monitor_rect();
unsigned int i;
unsigned int screen_width = primary_rect.right - primary_rect.left;
unsigned int screen_height = primary_rect.bottom - primary_rect.top;
/* original specified desktop size */
X11DRV_Settings_AddOneMode(screen_width, screen_height, 0, 60);
for (i=0; i<NUM_DESKTOP_MODES; i++)
{
if ( (widths[i] <= max_width) && (heights[i] <= max_height) )
{
if ( ( (widths[i] != max_width) || (heights[i] != max_height) ) &&
( (widths[i] != screen_width) || (heights[i] != screen_height) ) )
{
/* only add them if they are smaller than the root window and unique */
X11DRV_Settings_AddOneMode(widths[i], heights[i], 0, 60);
}
}
}
if ((max_width != screen_width) && (max_height != screen_height))
{
/* root window size (if different from desktop window) */
X11DRV_Settings_AddOneMode(max_width, max_height, 0, 60);
}
}
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static int X11DRV_desktop_GetCurrentMode(void)
{
unsigned int i;
DWORD dwBpp = screen_bpp;
RECT primary_rect = get_primary_monitor_rect();
for (i=0; i<dd_mode_count; i++)
{
if ( (primary_rect.right - primary_rect.left == dd_modes[i].width) &&
(primary_rect.bottom - primary_rect.top == dd_modes[i].height) &&
(dwBpp == dd_modes[i].bpp))
return i;
}
ERR("In unknown mode, returning default\n");
return 0;
}
static LONG X11DRV_desktop_SetCurrentMode(int mode)
{
DWORD dwBpp = screen_bpp;
if (dwBpp != dd_modes[mode].bpp)
{
FIXME("Cannot change screen BPP from %d to %d\n", dwBpp, dd_modes[mode].bpp);
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/* Ignore the depth mismatch
*
* Some (older) applications require a specific bit depth, this will allow them
* to run. X11drv performs a color depth conversion if needed.
*/
}
TRACE("Resizing Wine desktop window to %dx%d\n", dd_modes[mode].width, dd_modes[mode].height);
X11DRV_resize_desktop(dd_modes[mode].width, dd_modes[mode].height);
return DISP_CHANGE_SUCCESSFUL;
}
/***********************************************************************
* X11DRV_init_desktop
*
* Setup the desktop when not using the root window.
*/
void X11DRV_init_desktop( Window win, unsigned int width, unsigned int height )
{
RECT primary_rect = get_primary_monitor_rect();
root_window = win;
managed_mode = FALSE; /* no managed windows in desktop mode */
max_width = primary_rect.right - primary_rect.left;
max_height = primary_rect.bottom - primary_rect.top;
xinerama_init( width, height );
/* initialize the available resolutions */
dd_modes = X11DRV_Settings_SetHandlers("desktop",
X11DRV_desktop_GetCurrentMode,
X11DRV_desktop_SetCurrentMode,
NUM_DESKTOP_MODES+2, 1);
make_modes();
X11DRV_Settings_AddDepthModes();
dd_mode_count = X11DRV_Settings_GetModeCount();
}
/***********************************************************************
* X11DRV_create_desktop
*
* Create the X11 desktop window for the desktop mode.
*/
BOOL CDECL X11DRV_create_desktop( UINT width, UINT height )
{
XSetWindowAttributes win_attr;
Window win;
Display *display = thread_init_display();
RECT rect;
TRACE( "%u x %u\n", width, height );
/* Create window */
win_attr.event_mask = ExposureMask | KeyPressMask | KeyReleaseMask | EnterWindowMask |
PointerMotionMask | ButtonPressMask | ButtonReleaseMask | FocusChangeMask;
win_attr.cursor = XCreateFontCursor( display, XC_top_left_arrow );
if (default_visual.visual != DefaultVisual( display, DefaultScreen(display) ))
win_attr.colormap = XCreateColormap( display, DefaultRootWindow(display),
default_visual.visual, AllocNone );
else
win_attr.colormap = None;
win = XCreateWindow( display, DefaultRootWindow(display),
0, 0, width, height, 0, default_visual.depth, InputOutput, default_visual.visual,
CWEventMask | CWCursor | CWColormap, &win_attr );
if (!win) return FALSE;
SetRect( &rect, 0, 0, width, height );
if (is_window_rect_fullscreen( &rect ))
{
TRACE("setting desktop to fullscreen\n");
XChangeProperty( display, win, x11drv_atom(_NET_WM_STATE), XA_ATOM, 32,
PropModeReplace, (unsigned char*)&x11drv_atom(_NET_WM_STATE_FULLSCREEN),
1);
}
if (!create_desktop_win_data( win )) return FALSE;
XFlush( display );
X11DRV_init_desktop( win, width, height );
return TRUE;
}
struct desktop_resize_data
{
RECT old_virtual_rect;
RECT new_virtual_rect;
};
static BOOL CALLBACK update_windows_on_desktop_resize( HWND hwnd, LPARAM lparam )
{
struct x11drv_win_data *data;
struct desktop_resize_data *resize_data = (struct desktop_resize_data *)lparam;
int mask = 0;
if (!(data = get_win_data( hwnd ))) return TRUE;
/* update the full screen state */
update_net_wm_states( data );
if (resize_data->old_virtual_rect.left != resize_data->new_virtual_rect.left) mask |= CWX;
if (resize_data->old_virtual_rect.top != resize_data->new_virtual_rect.top) mask |= CWY;
if (mask && data->whole_window)
{
POINT pos = virtual_screen_to_root( data->whole_rect.left, data->whole_rect.top );
XWindowChanges changes;
changes.x = pos.x;
changes.y = pos.y;
XReconfigureWMWindow( data->display, data->whole_window, data->vis.screen, mask, &changes );
}
release_win_data( data );
if (hwnd == GetForegroundWindow()) clip_fullscreen_window( hwnd, TRUE );
return TRUE;
}
BOOL is_desktop_fullscreen(void)
{
RECT primary_rect = get_primary_monitor_rect();
return (primary_rect.right - primary_rect.left == max_width &&
primary_rect.bottom - primary_rect.top == max_height);
}
static void update_desktop_fullscreen( unsigned int width, unsigned int height)
{
Display *display = thread_display();
XEvent xev;
if (!display || root_window == DefaultRootWindow( display )) return;
xev.xclient.type = ClientMessage;
xev.xclient.window = root_window;
xev.xclient.message_type = x11drv_atom(_NET_WM_STATE);
xev.xclient.serial = 0;
xev.xclient.display = display;
xev.xclient.send_event = True;
xev.xclient.format = 32;
if (width == max_width && height == max_height)
xev.xclient.data.l[0] = _NET_WM_STATE_ADD;
else
xev.xclient.data.l[0] = _NET_WM_STATE_REMOVE;
xev.xclient.data.l[1] = x11drv_atom(_NET_WM_STATE_FULLSCREEN);
xev.xclient.data.l[2] = 0;
xev.xclient.data.l[3] = 1;
TRACE("action=%li\n", xev.xclient.data.l[0]);
XSendEvent( display, DefaultRootWindow(display), False,
SubstructureRedirectMask | SubstructureNotifyMask, &xev );
xev.xclient.data.l[1] = x11drv_atom(_NET_WM_STATE_MAXIMIZED_VERT);
xev.xclient.data.l[2] = x11drv_atom(_NET_WM_STATE_MAXIMIZED_HORZ);
XSendEvent( display, DefaultRootWindow(display), False,
SubstructureRedirectMask | SubstructureNotifyMask, &xev );
}
/***********************************************************************
* X11DRV_resize_desktop
*/
void X11DRV_resize_desktop( unsigned int width, unsigned int height )
{
HWND hwnd = GetDesktopWindow();
struct desktop_resize_data resize_data;
resize_data.old_virtual_rect = get_virtual_screen_rect();
xinerama_init( width, height );
resize_data.new_virtual_rect = get_virtual_screen_rect();
if (GetWindowThreadProcessId( hwnd, NULL ) != GetCurrentThreadId())
{
SendMessageW( hwnd, WM_X11DRV_RESIZE_DESKTOP, 0, MAKELPARAM( width, height ) );
}
else
{
TRACE( "desktop %p change to (%dx%d)\n", hwnd, width, height );
update_desktop_fullscreen( width, height );
SetWindowPos( hwnd, 0, resize_data.new_virtual_rect.left, resize_data.new_virtual_rect.top,
resize_data.new_virtual_rect.right - resize_data.new_virtual_rect.left,
resize_data.new_virtual_rect.bottom - resize_data.new_virtual_rect.top,
SWP_NOZORDER | SWP_NOACTIVATE | SWP_DEFERERASE );
ungrab_clipping_window();
SendMessageTimeoutW( HWND_BROADCAST, WM_DISPLAYCHANGE, screen_bpp,
MAKELPARAM( width, height ), SMTO_ABORTIFHUNG, 2000, NULL );
}
EnumWindows( update_windows_on_desktop_resize, (LPARAM)&resize_data );
}