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wine/dlls/winex11.drv/winpos.c

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/*
* Window position related functions.
*
* Copyright 1993, 1994, 1995, 2001 Alexandre Julliard
* Copyright 1995, 1996, 1999 Alex Korobka
*
* 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/Xlib.h>
#include <X11/Xutil.h>
#include <stdarg.h>
#include "windef.h"
#include "winbase.h"
#include "wingdi.h"
#include "winuser.h"
#include "winerror.h"
#include "wine/wingdi16.h"
#include "x11drv.h"
#include "wine/server.h"
#include "wine/debug.h"
WINE_DEFAULT_DEBUG_CHANNEL(x11drv);
#define SWP_AGG_NOPOSCHANGE \
(SWP_NOSIZE | SWP_NOMOVE | SWP_NOCLIENTSIZE | SWP_NOCLIENTMOVE | SWP_NOZORDER)
#define _NET_WM_MOVERESIZE_SIZE_TOPLEFT 0
#define _NET_WM_MOVERESIZE_SIZE_TOP 1
#define _NET_WM_MOVERESIZE_SIZE_TOPRIGHT 2
#define _NET_WM_MOVERESIZE_SIZE_RIGHT 3
#define _NET_WM_MOVERESIZE_SIZE_BOTTOMRIGHT 4
#define _NET_WM_MOVERESIZE_SIZE_BOTTOM 5
#define _NET_WM_MOVERESIZE_SIZE_BOTTOMLEFT 6
#define _NET_WM_MOVERESIZE_SIZE_LEFT 7
#define _NET_WM_MOVERESIZE_MOVE 8 /* movement only */
#define _NET_WM_MOVERESIZE_SIZE_KEYBOARD 9 /* size via keyboard */
#define _NET_WM_MOVERESIZE_MOVE_KEYBOARD 10 /* move via keyboard */
#define _NET_WM_STATE_REMOVE 0
#define _NET_WM_STATE_ADD 1
#define _NET_WM_STATE_TOGGLE 2
static const char managed_prop[] = "__wine_x11_managed";
/***********************************************************************
* X11DRV_Expose
*/
void X11DRV_Expose( HWND hwnd, XEvent *xev )
{
XExposeEvent *event = &xev->xexpose;
RECT rect;
struct x11drv_win_data *data;
int flags = RDW_INVALIDATE | RDW_ERASE;
TRACE( "win %p (%lx) %d,%d %dx%d\n",
hwnd, event->window, event->x, event->y, event->width, event->height );
if (!(data = X11DRV_get_win_data( hwnd ))) return;
if (event->window == data->whole_window)
{
rect.left = data->whole_rect.left + event->x;
rect.top = data->whole_rect.top + event->y;
flags |= RDW_FRAME;
}
else
{
rect.left = data->client_rect.left + event->x;
rect.top = data->client_rect.top + event->y;
}
rect.right = rect.left + event->width;
rect.bottom = rect.top + event->height;
if (event->window != root_window)
{
SERVER_START_REQ( update_window_zorder )
{
req->window = hwnd;
req->rect.left = rect.left;
req->rect.top = rect.top;
req->rect.right = rect.right;
req->rect.bottom = rect.bottom;
wine_server_call( req );
}
SERVER_END_REQ;
/* make position relative to client area instead of parent */
OffsetRect( &rect, -data->client_rect.left, -data->client_rect.top );
flags |= RDW_ALLCHILDREN;
}
RedrawWindow( hwnd, &rect, 0, flags );
}
/***********************************************************************
* update_net_wm_states
*/
static void update_net_wm_states( Display *display, struct x11drv_win_data *data )
{
static const unsigned int state_atoms[NB_NET_WM_STATES] =
{
XATOM__NET_WM_STATE_FULLSCREEN,
XATOM__NET_WM_STATE_ABOVE,
XATOM__NET_WM_STATE_MAXIMIZED_VERT,
XATOM__NET_WM_STATE_SKIP_PAGER,
XATOM__NET_WM_STATE_SKIP_TASKBAR
};
DWORD i, style, ex_style, new_state = 0;
if (!data->managed) return;
if (data->whole_window == root_window) return;
style = GetWindowLongW( data->hwnd, GWL_STYLE );
if (data->whole_rect.left <= 0 && data->whole_rect.right >= screen_width &&
data->whole_rect.top <= 0 && data->whole_rect.bottom >= screen_height)
{
if ((style & WS_MAXIMIZE) && (style & WS_CAPTION) == WS_CAPTION)
new_state |= (1 << NET_WM_STATE_MAXIMIZED);
else
new_state |= (1 << NET_WM_STATE_FULLSCREEN);
}
else if (style & WS_MAXIMIZE)
new_state |= (1 << NET_WM_STATE_MAXIMIZED);
ex_style = GetWindowLongW( data->hwnd, GWL_EXSTYLE );
if (ex_style & WS_EX_TOPMOST)
new_state |= (1 << NET_WM_STATE_ABOVE);
if (ex_style & WS_EX_TOOLWINDOW)
new_state |= (1 << NET_WM_STATE_SKIP_TASKBAR) | (1 << NET_WM_STATE_SKIP_PAGER);
if (!(ex_style & WS_EX_APPWINDOW) && GetWindow( data->hwnd, GW_OWNER ))
new_state |= (1 << NET_WM_STATE_SKIP_TASKBAR);
if (!data->mapped) /* set the _NET_WM_STATE atom directly */
{
Atom atoms[NB_NET_WM_STATES+1];
DWORD count;
for (i = count = 0; i < NB_NET_WM_STATES; i++)
{
if (!(new_state & (1 << i))) continue;
TRACE( "setting wm state %u for unmapped window %p/%lx\n",
i, data->hwnd, data->whole_window );
atoms[count++] = X11DRV_Atoms[state_atoms[i] - FIRST_XATOM];
if (state_atoms[i] == XATOM__NET_WM_STATE_MAXIMIZED_VERT)
atoms[count++] = x11drv_atom(_NET_WM_STATE_MAXIMIZED_HORZ);
}
wine_tsx11_lock();
XChangeProperty( display, data->whole_window, x11drv_atom(_NET_WM_STATE), XA_ATOM,
32, PropModeReplace, (unsigned char *)atoms, count );
wine_tsx11_unlock();
}
else /* ask the window manager to do it for us */
{
XEvent xev;
xev.xclient.type = ClientMessage;
xev.xclient.window = data->whole_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;
xev.xclient.data.l[3] = 1;
for (i = 0; i < NB_NET_WM_STATES; i++)
{
if (!((data->net_wm_state ^ new_state) & (1 << i))) continue; /* unchanged */
TRACE( "setting wm state %u for window %p/%lx to %u prev %u\n",
i, data->hwnd, data->whole_window,
(new_state & (1 << i)) != 0, (data->net_wm_state & (1 << i)) != 0 );
xev.xclient.data.l[0] = (new_state & (1 << i)) ? _NET_WM_STATE_ADD : _NET_WM_STATE_REMOVE;
xev.xclient.data.l[1] = X11DRV_Atoms[state_atoms[i] - FIRST_XATOM];
xev.xclient.data.l[2] = ((state_atoms[i] == XATOM__NET_WM_STATE_MAXIMIZED_VERT) ?
x11drv_atom(_NET_WM_STATE_MAXIMIZED_HORZ) : 0);
wine_tsx11_lock();
XSendEvent( display, root_window, False,
SubstructureRedirectMask | SubstructureNotifyMask, &xev );
wine_tsx11_unlock();
}
}
data->net_wm_state = new_state;
}
/***********************************************************************
* set_xembed_flags
*/
static void set_xembed_flags( Display *display, struct x11drv_win_data *data, unsigned long flags )
{
unsigned long info[2];
info[0] = 0; /* protocol version */
info[1] = flags;
wine_tsx11_lock();
XChangeProperty( display, data->whole_window, x11drv_atom(_XEMBED_INFO),
x11drv_atom(_XEMBED_INFO), 32, PropModeReplace, (unsigned char*)info, 2 );
wine_tsx11_unlock();
}
/***********************************************************************
* map_window
*/
static void map_window( Display *display, struct x11drv_win_data *data, DWORD new_style )
{
TRACE( "win %p/%lx\n", data->hwnd, data->whole_window );
wait_for_withdrawn_state( display, data, TRUE );
if (!data->embedded)
{
update_net_wm_states( display, data );
X11DRV_sync_window_style( display, data );
wine_tsx11_lock();
XMapWindow( display, data->whole_window );
XFlush( display );
wine_tsx11_unlock();
}
else set_xembed_flags( display, data, XEMBED_MAPPED );
data->mapped = TRUE;
data->iconic = (new_style & WS_MINIMIZE) != 0;
}
/***********************************************************************
* unmap_window
*/
static void unmap_window( Display *display, struct x11drv_win_data *data )
{
TRACE( "win %p/%lx\n", data->hwnd, data->whole_window );
if (!data->embedded)
{
wait_for_withdrawn_state( display, data, FALSE );
wine_tsx11_lock();
if (data->managed) XWithdrawWindow( display, data->whole_window, DefaultScreen(display) );
else XUnmapWindow( display, data->whole_window );
wine_tsx11_unlock();
}
else set_xembed_flags( display, data, 0 );
data->mapped = FALSE;
data->net_wm_state = 0;
}
/***********************************************************************
* make_window_embedded
*/
void make_window_embedded( Display *display, struct x11drv_win_data *data )
{
if (data->mapped)
{
/* the window cannot be mapped before being embedded */
unmap_window( display, data );
data->embedded = TRUE;
map_window( display, data, 0 );
}
else
{
data->embedded = TRUE;
set_xembed_flags( display, data, 0 );
}
}
/***********************************************************************
* SetWindowStyle (X11DRV.@)
*
* Update the X state of a window to reflect a style change
*/
void X11DRV_SetWindowStyle( HWND hwnd, DWORD old_style )
{
Display *display = thread_display();
struct x11drv_win_data *data;
DWORD new_style, changed;
if (hwnd == GetDesktopWindow()) return;
new_style = GetWindowLongW( hwnd, GWL_STYLE );
changed = new_style ^ old_style;
if ((changed & WS_VISIBLE) && (new_style & WS_VISIBLE))
{
/* we don't unmap windows, that causes trouble with the window manager */
if (!(data = X11DRV_get_win_data( hwnd )) &&
!(data = X11DRV_create_win_data( hwnd ))) return;
if (data->whole_window && X11DRV_is_window_rect_mapped( &data->window_rect ))
{
X11DRV_set_wm_hints( display, data );
if (!data->mapped) map_window( display, data, new_style );
}
}
if (changed & WS_DISABLED)
{
data = X11DRV_get_win_data( hwnd );
if (data && data->wm_hints)
{
wine_tsx11_lock();
data->wm_hints->input = !(new_style & WS_DISABLED);
XSetWMHints( display, data->whole_window, data->wm_hints );
wine_tsx11_unlock();
}
}
}
/***********************************************************************
* move_window_bits
*
* Move the window bits when a window is moved.
*/
static void move_window_bits( struct x11drv_win_data *data, const RECT *old_rect, const RECT *new_rect,
const RECT *old_client_rect )
{
RECT src_rect = *old_rect;
RECT dst_rect = *new_rect;
HDC hdc_src, hdc_dst;
INT code;
HRGN rgn = 0;
HWND parent = 0;
if (!data->whole_window)
{
OffsetRect( &dst_rect, -data->window_rect.left, -data->window_rect.top );
parent = GetAncestor( data->hwnd, GA_PARENT );
hdc_src = GetDCEx( parent, 0, DCX_CACHE );
hdc_dst = GetDCEx( data->hwnd, 0, DCX_CACHE | DCX_WINDOW );
}
else
{
OffsetRect( &dst_rect, -data->client_rect.left, -data->client_rect.top );
/* make src rect relative to the old position of the window */
OffsetRect( &src_rect, -old_client_rect->left, -old_client_rect->top );
if (dst_rect.left == src_rect.left && dst_rect.top == src_rect.top) return;
hdc_src = hdc_dst = GetDCEx( data->hwnd, 0, DCX_CACHE );
}
code = X11DRV_START_EXPOSURES;
ExtEscape( hdc_dst, X11DRV_ESCAPE, sizeof(code), (LPSTR)&code, 0, NULL );
TRACE( "copying bits for win %p/%lx/%lx %s -> %s\n",
data->hwnd, data->whole_window, data->client_window,
wine_dbgstr_rect(&src_rect), wine_dbgstr_rect(&dst_rect) );
BitBlt( hdc_dst, dst_rect.left, dst_rect.top,
dst_rect.right - dst_rect.left, dst_rect.bottom - dst_rect.top,
hdc_src, src_rect.left, src_rect.top, SRCCOPY );
code = X11DRV_END_EXPOSURES;
ExtEscape( hdc_dst, X11DRV_ESCAPE, sizeof(code), (LPSTR)&code, sizeof(rgn), (LPSTR)&rgn );
ReleaseDC( data->hwnd, hdc_dst );
if (hdc_src != hdc_dst) ReleaseDC( parent, hdc_src );
if (rgn)
{
if (!data->whole_window)
{
/* map region to client rect since we are using DCX_WINDOW */
OffsetRgn( rgn, data->window_rect.left - data->client_rect.left,
data->window_rect.top - data->client_rect.top );
RedrawWindow( data->hwnd, NULL, rgn,
RDW_INVALIDATE | RDW_FRAME | RDW_ERASE | RDW_ALLCHILDREN );
}
else RedrawWindow( data->hwnd, NULL, rgn, RDW_INVALIDATE | RDW_ERASE | RDW_ALLCHILDREN );
DeleteObject( rgn );
}
}
/***********************************************************************
* SetWindowPos (X11DRV.@)
*/
void X11DRV_SetWindowPos( HWND hwnd, HWND insert_after, UINT swp_flags,
const RECT *rectWindow, const RECT *rectClient,
const RECT *visible_rect, const RECT *valid_rects )
{
struct x11drv_thread_data *thread_data = x11drv_thread_data();
Display *display = thread_data->display;
struct x11drv_win_data *data = X11DRV_get_win_data( hwnd );
DWORD new_style = GetWindowLongW( hwnd, GWL_STYLE );
RECT old_window_rect, old_whole_rect, old_client_rect;
int event_type;
if (!data)
{
/* create the win data if the window is being made visible */
if (!(new_style & WS_VISIBLE)) return;
if (!(data = X11DRV_create_win_data( hwnd ))) return;
}
/* check if we need to switch the window to managed */
if (!data->managed && data->whole_window && is_window_managed( hwnd, swp_flags, rectWindow ))
{
TRACE( "making win %p/%lx managed\n", hwnd, data->whole_window );
if (data->mapped) unmap_window( display, data );
data->managed = TRUE;
SetPropA( hwnd, managed_prop, (HANDLE)1 );
}
old_window_rect = data->window_rect;
old_whole_rect = data->whole_rect;
old_client_rect = data->client_rect;
data->window_rect = *rectWindow;
data->whole_rect = *rectWindow;
data->client_rect = *rectClient;
X11DRV_window_to_X_rect( data, &data->whole_rect );
if (memcmp( visible_rect, &data->whole_rect, sizeof(RECT) ))
{
TRACE( "%p: need to update visible rect %s -> %s\n", hwnd,
wine_dbgstr_rect(visible_rect), wine_dbgstr_rect(&data->whole_rect) );
SERVER_START_REQ( set_window_visible_rect )
{
req->handle = hwnd;
req->flags = swp_flags;
req->visible.left = data->whole_rect.left;
req->visible.top = data->whole_rect.top;
req->visible.right = data->whole_rect.right;
req->visible.bottom = data->whole_rect.bottom;
wine_server_call( req );
}
SERVER_END_REQ;
}
TRACE( "win %p window %s client %s style %08x flags %08x\n",
hwnd, wine_dbgstr_rect(rectWindow), wine_dbgstr_rect(rectClient), new_style, swp_flags );
if (!IsRectEmpty( &valid_rects[0] ))
{
int x_offset = old_whole_rect.left - data->whole_rect.left;
int y_offset = old_whole_rect.top - data->whole_rect.top;
/* if all that happened is that the whole window moved, copy everything */
if (!(swp_flags & SWP_FRAMECHANGED) &&
old_whole_rect.right - data->whole_rect.right == x_offset &&
old_whole_rect.bottom - data->whole_rect.bottom == y_offset &&
old_client_rect.left - data->client_rect.left == x_offset &&
old_client_rect.right - data->client_rect.right == x_offset &&
old_client_rect.top - data->client_rect.top == y_offset &&
old_client_rect.bottom - data->client_rect.bottom == y_offset &&
!memcmp( &valid_rects[0], &data->client_rect, sizeof(RECT) ))
{
/* if we have an X window the bits will be moved by the X server */
if (!data->whole_window)
move_window_bits( data, &old_whole_rect, &data->whole_rect, &old_client_rect );
}
else
move_window_bits( data, &valid_rects[1], &valid_rects[0], &old_client_rect );
}
X11DRV_sync_client_position( display, data, swp_flags, &old_client_rect, &old_whole_rect );
if (!data->whole_window) return;
/* check if we are currently processing an event relevant to this window */
event_type = 0;
if (thread_data->current_event && thread_data->current_event->xany.window == data->whole_window)
event_type = thread_data->current_event->type;
if (event_type != ConfigureNotify && event_type != PropertyNotify)
event_type = 0; /* ignore other events */
if (data->mapped && (!(new_style & WS_VISIBLE) ||
(!event_type && !X11DRV_is_window_rect_mapped( rectWindow ))))
unmap_window( display, data );
/* don't change position if we are about to minimize or maximize a managed window */
if (!event_type &&
!(data->managed && (swp_flags & SWP_STATECHANGED) && (new_style & (WS_MINIMIZE|WS_MAXIMIZE))))
X11DRV_sync_window_position( display, data, swp_flags, &old_client_rect, &old_whole_rect );
if ((new_style & WS_VISIBLE) &&
((new_style & WS_MINIMIZE) || X11DRV_is_window_rect_mapped( rectWindow )))
{
if (!data->mapped || (swp_flags & (SWP_FRAMECHANGED|SWP_STATECHANGED)))
X11DRV_set_wm_hints( display, data );
if (!data->mapped)
{
map_window( display, data, new_style );
}
else if ((swp_flags & SWP_STATECHANGED) && (!data->iconic != !(new_style & WS_MINIMIZE)))
{
data->iconic = (new_style & WS_MINIMIZE) != 0;
TRACE( "changing win %p iconic state to %u\n", data->hwnd, data->iconic );
wine_tsx11_lock();
if (data->iconic)
XIconifyWindow( display, data->whole_window, DefaultScreen(display) );
else if (X11DRV_is_window_rect_mapped( rectWindow ))
XMapWindow( display, data->whole_window );
wine_tsx11_unlock();
update_net_wm_states( display, data );
}
else if (!event_type)
{
update_net_wm_states( display, data );
}
}
}
/**********************************************************************
* X11DRV_MapNotify
*/
void X11DRV_MapNotify( HWND hwnd, XEvent *event )
{
struct x11drv_win_data *data;
if (!(data = X11DRV_get_win_data( hwnd ))) return;
if (!data->mapped) return;
if (!data->managed)
{
HWND hwndFocus = GetFocus();
if (hwndFocus && IsChild( hwnd, hwndFocus )) X11DRV_SetFocus(hwndFocus); /* FIXME */
}
}
struct desktop_resize_data
{
RECT old_screen_rect;
RECT old_virtual_rect;
};
static BOOL CALLBACK update_windows_on_desktop_resize( HWND hwnd, LPARAM lparam )
{
struct x11drv_win_data *data;
Display *display = thread_display();
struct desktop_resize_data *resize_data = (struct desktop_resize_data *)lparam;
int mask = 0;
if (!(data = X11DRV_get_win_data( hwnd ))) return TRUE;
if (GetWindowLongW( hwnd, GWL_STYLE ) & WS_VISIBLE)
{
/* update the full screen state */
update_net_wm_states( display, data );
}
if (resize_data->old_virtual_rect.left != virtual_screen_rect.left) mask |= CWX;
if (resize_data->old_virtual_rect.top != virtual_screen_rect.top) mask |= CWY;
if (mask && data->whole_window)
{
XWindowChanges changes;
wine_tsx11_lock();
changes.x = data->whole_rect.left - virtual_screen_rect.left;
changes.y = data->whole_rect.top - virtual_screen_rect.top;
XReconfigureWMWindow( display, data->whole_window,
DefaultScreen(display), mask, &changes );
wine_tsx11_unlock();
}
return TRUE;
}
/***********************************************************************
* X11DRV_resize_desktop
*/
void X11DRV_resize_desktop( unsigned int width, unsigned int height )
{
HWND hwnd = GetDesktopWindow();
struct desktop_resize_data resize_data;
SetRect( &resize_data.old_screen_rect, 0, 0, screen_width, screen_height );
resize_data.old_virtual_rect = virtual_screen_rect;
xinerama_init( width, height );
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 );
SetWindowPos( hwnd, 0, virtual_screen_rect.left, virtual_screen_rect.top,
virtual_screen_rect.right - virtual_screen_rect.left,
virtual_screen_rect.bottom - virtual_screen_rect.top,
SWP_NOZORDER | SWP_NOACTIVATE | SWP_DEFERERASE );
SendMessageTimeoutW( HWND_BROADCAST, WM_DISPLAYCHANGE, screen_bpp,
MAKELPARAM( width, height ), SMTO_ABORTIFHUNG, 2000, NULL );
}
EnumWindows( update_windows_on_desktop_resize, (LPARAM)&resize_data );
}
/***********************************************************************
* X11DRV_ConfigureNotify
*/
void X11DRV_ConfigureNotify( HWND hwnd, XEvent *xev )
{
XConfigureEvent *event = &xev->xconfigure;
struct x11drv_win_data *data;
RECT rect;
UINT flags;
int cx, cy, x = event->x, y = event->y;
if (!hwnd) return;
if (!(data = X11DRV_get_win_data( hwnd ))) return;
if (!data->mapped || data->iconic) return;
/* Get geometry */
if (!event->send_event) /* normal event, need to map coordinates to the root */
{
Window child;
wine_tsx11_lock();
XTranslateCoordinates( event->display, data->whole_window, root_window,
0, 0, &x, &y, &child );
wine_tsx11_unlock();
}
rect.left = x;
rect.top = y;
rect.right = x + event->width;
rect.bottom = y + event->height;
OffsetRect( &rect, virtual_screen_rect.left, virtual_screen_rect.top );
TRACE( "win %p new X rect %d,%d,%dx%d (event %d,%d,%dx%d)\n",
hwnd, rect.left, rect.top, rect.right-rect.left, rect.bottom-rect.top,
event->x, event->y, event->width, event->height );
X11DRV_X_to_window_rect( data, &rect );
x = rect.left;
y = rect.top;
cx = rect.right - rect.left;
cy = rect.bottom - rect.top;
flags = SWP_NOACTIVATE | SWP_NOZORDER;
/* Compare what has changed */
GetWindowRect( hwnd, &rect );
if (rect.left == x && rect.top == y) flags |= SWP_NOMOVE;
else
TRACE( "%p moving from (%d,%d) to (%d,%d)\n",
hwnd, rect.left, rect.top, x, y );
if ((rect.right - rect.left == cx && rect.bottom - rect.top == cy) ||
(IsRectEmpty( &rect ) && event->width == 1 && event->height == 1))
{
if (flags & SWP_NOMOVE) return; /* if nothing changed, don't do anything */
flags |= SWP_NOSIZE;
}
else
TRACE( "%p resizing from (%dx%d) to (%dx%d)\n",
hwnd, rect.right - rect.left, rect.bottom - rect.top, cx, cy );
SetWindowPos( hwnd, 0, x, y, cx, cy, flags );
}
/***********************************************************************
* is_netwm_supported
*/
static BOOL is_netwm_supported( Display *display, Atom atom )
{
static Atom *net_supported;
static int net_supported_count = -1;
int i;
wine_tsx11_lock();
if (net_supported_count == -1)
{
Atom type;
int format;
unsigned long count, remaining;
if (!XGetWindowProperty( display, DefaultRootWindow(display), x11drv_atom(_NET_SUPPORTED), 0,
~0UL, False, XA_ATOM, &type, &format, &count,
&remaining, (unsigned char **)&net_supported ))
net_supported_count = get_property_size( format, count ) / sizeof(Atom);
else
net_supported_count = 0;
}
wine_tsx11_unlock();
for (i = 0; i < net_supported_count; i++)
if (net_supported[i] == atom) return TRUE;
return FALSE;
}
/***********************************************************************
* SysCommandSizeMove (X11DRV.@)
*
* Perform SC_MOVE and SC_SIZE commands.
*/
BOOL X11DRV_SysCommandSizeMove( HWND hwnd, WPARAM wparam )
{
WPARAM syscommand = wparam & 0xfff0;
WPARAM hittest = wparam & 0x0f;
DWORD dwPoint;
int x, y, dir;
XEvent xev;
Display *display = thread_display();
struct x11drv_win_data *data;
if (!(data = X11DRV_get_win_data( hwnd ))) return FALSE;
if (!data->whole_window || !data->managed) return FALSE;
if (!is_netwm_supported( display, x11drv_atom(_NET_WM_MOVERESIZE) ))
{
TRACE( "_NET_WM_MOVERESIZE not supported\n" );
return FALSE;
}
if (syscommand == SC_MOVE)
{
if (!hittest) dir = _NET_WM_MOVERESIZE_MOVE_KEYBOARD;
else dir = _NET_WM_MOVERESIZE_MOVE;
}
else
{
/* windows without WS_THICKFRAME are not resizable through the window manager */
if (!(GetWindowLongW( hwnd, GWL_STYLE ) & WS_THICKFRAME)) return FALSE;
switch (hittest)
{
case WMSZ_LEFT: dir = _NET_WM_MOVERESIZE_SIZE_LEFT; break;
case WMSZ_RIGHT: dir = _NET_WM_MOVERESIZE_SIZE_RIGHT; break;
case WMSZ_TOP: dir = _NET_WM_MOVERESIZE_SIZE_TOP; break;
case WMSZ_TOPLEFT: dir = _NET_WM_MOVERESIZE_SIZE_TOPLEFT; break;
case WMSZ_TOPRIGHT: dir = _NET_WM_MOVERESIZE_SIZE_TOPRIGHT; break;
case WMSZ_BOTTOM: dir = _NET_WM_MOVERESIZE_SIZE_BOTTOM; break;
case WMSZ_BOTTOMLEFT: dir = _NET_WM_MOVERESIZE_SIZE_BOTTOMLEFT; break;
case WMSZ_BOTTOMRIGHT: dir = _NET_WM_MOVERESIZE_SIZE_BOTTOMRIGHT; break;
default: dir = _NET_WM_MOVERESIZE_SIZE_KEYBOARD; break;
}
}
dwPoint = GetMessagePos();
x = (short)LOWORD(dwPoint);
y = (short)HIWORD(dwPoint);
TRACE("hwnd %p, x %d, y %d, dir %d\n", hwnd, x, y, dir);
xev.xclient.type = ClientMessage;
xev.xclient.window = X11DRV_get_whole_window(hwnd);
xev.xclient.message_type = x11drv_atom(_NET_WM_MOVERESIZE);
xev.xclient.serial = 0;
xev.xclient.display = display;
xev.xclient.send_event = True;
xev.xclient.format = 32;
xev.xclient.data.l[0] = x; /* x coord */
xev.xclient.data.l[1] = y; /* y coord */
xev.xclient.data.l[2] = dir; /* direction */
xev.xclient.data.l[3] = 1; /* button */
xev.xclient.data.l[4] = 0; /* unused */
/* need to ungrab the pointer that may have been automatically grabbed
* with a ButtonPress event */
wine_tsx11_lock();
XUngrabPointer( display, CurrentTime );
XSendEvent(display, root_window, False, SubstructureNotifyMask, &xev);
wine_tsx11_unlock();
return TRUE;
}
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