dlls/x11drv/desktop.c

   1 /*
   2  * X11DRV desktop window handling
   3  *
   4  * Copyright 2001 Alexandre Julliard
   5  *
   6  * This library is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU Lesser General Public
   8  * License as published by the Free Software Foundation; either
   9  * version 2.1 of the License, or (at your option) any later version.
  10  *
  11  * This library is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * Lesser General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Lesser General Public
  17  * License along with this library; if not, write to the Free Software
  18  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  19  */
  20
  21 #include "config.h"
  22 #include <X11/cursorfont.h>
  23
  24 #include "ts_xlib.h"
  25
  26 #include "wine/winuser16.h"
  27 #include "win.h"
  28 #include "x11drv.h"
  29 #include "wine/debug.h"
  30
  31 WINE_DEFAULT_DEBUG_CHANNEL(x11drv);
  32
  33
  34 /* desktop window procedure */
  35 static LRESULT WINAPI desktop_winproc( HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam )
  36 {
  37     switch(message)
  38     {
  39     case WM_NCCREATE:
  40         SystemParametersInfoA( SPI_SETDESKPATTERN, -1, NULL, FALSE );
  41         SetDeskWallPaper( (LPSTR)-1 );
  42         return TRUE;
  43
  44     case WM_ERASEBKGND:
  45         PaintDesktop( (HDC)wParam );
  46         ValidateRect( hwnd, NULL );
  47         break;
  48
  49     case WM_SYSCOMMAND:
  50         if ((wParam & 0xfff0) == SC_CLOSE) ExitWindows( 0, 0 );
  51         break;
  52
  53     case WM_SETCURSOR:
  54         return (LRESULT)SetCursor( LoadCursorA( 0, IDC_ARROWA ) );
  55
  56     case WM_NCHITTEST:
  57         return HTCLIENT;
  58     }
  59     return 0;
  60 }
  61
  62
  63 /* desktop window manager thread */
  64 static DWORD CALLBACK desktop_thread( LPVOID driver_data )
  65 {
  66     Display *display;
  67     MSG msg;
  68     HWND hwnd;
  69     WND *win;
  70
  71     NtCurrentTeb()->driver_data = driver_data;
  72     display = thread_display();
  73     hwnd = GetDesktopWindow();
  74
  75     /* patch the desktop window queue to point to our queue */
  76     win = WIN_GetPtr( hwnd );
  77     win->tid = GetCurrentThreadId();
  78     X11DRV_register_window( display, hwnd, win->pDriverData );
  79     WIN_ReleasePtr( win );
  80
  81     SetWindowLongW( hwnd, GWL_WNDPROC, (LONG)desktop_winproc );
  82     wine_tsx11_lock();
  83     XSetWMProtocols( display, root_window, &wmDeleteWindow, 1 );
  84     XMapWindow( display, root_window );
  85     wine_tsx11_unlock();
  86
  87     SendMessageW( hwnd, WM_NCCREATE, 0, 0 /* should be CREATESTRUCT */ );
  88
  89     while (GetMessageW( &msg, hwnd, 0, 0 )) DispatchMessageW( &msg );
  90     return 0;
  91 }
  92
  93
  94 /***********************************************************************
  95  *              X11DRV_create_desktop_thread
  96  *
  97  * Create the thread that manages the desktop window
  98  */
  99 void X11DRV_create_desktop_thread(void)
 100 {
 101     HANDLE handle = CreateThread( NULL, 0, desktop_thread, NtCurrentTeb()->driver_data,
 102                                   0, &desktop_tid );
 103     if (!handle)
 104     {
 105         MESSAGE( "Could not create desktop thread\n" );
 106         ExitProcess(1);
 107     }
 108     /* we transferred our driver data to the new thread */
 109     NtCurrentTeb()->driver_data = NULL;
 110     CloseHandle( handle );
 111 }
 112
 113
 114 /***********************************************************************
 115  *              X11DRV_create_desktop
 116  *
 117  * Create the X11 desktop window for the desktop mode.
 118  */
 119 Window X11DRV_create_desktop( XVisualInfo *desktop_vi, const char *geometry )
 120 {
 121     int x = 0, y = 0, flags;
 122     unsigned int width = 640, height = 480;  /* Default size = 640x480 */
 123     char *name = GetCommandLineA();
 124     XSizeHints *size_hints;
 125     XWMHints   *wm_hints;
 126     XClassHint *class_hints;
 127     XSetWindowAttributes win_attr;
 128     XTextProperty window_name;
 129     Window win;
 130     Display *display = thread_display();
 131
 132     wine_tsx11_lock();
 133     flags = XParseGeometry( geometry, &x, &y, &width, &height );
 134     screen_width  = width;
 135     screen_height = height;
 136
 137     /* Create window */
 138     win_attr.background_pixel = BlackPixel(display, 0);
 139     win_attr.event_mask = ExposureMask | KeyPressMask | KeyReleaseMask |
 140                           PointerMotionMask | ButtonPressMask | ButtonReleaseMask;
 141     win_attr.cursor = XCreateFontCursor( display, XC_top_left_arrow );
 142
 143     if (desktop_vi)
 144         win_attr.colormap = XCreateColormap( display, DefaultRootWindow(display),
 145                                              visual, AllocNone );
 146     else
 147         win_attr.colormap = None;
 148
 149     win = XCreateWindow( display, DefaultRootWindow(display),
 150                          x, y, width, height, 0, screen_depth, InputOutput, visual,
 151                          CWBackPixel | CWEventMask | CWCursor | CWColormap, &win_attr );
 152
 153     /* Set window manager properties */
 154     size_hints  = XAllocSizeHints();
 155     wm_hints    = XAllocWMHints();
 156     class_hints = XAllocClassHint();
 157     if (!size_hints || !wm_hints || !class_hints)
 158     {
 159         MESSAGE("Not enough memory for window manager hints.\n" );
 160         ExitProcess(1);
 161     }
 162     size_hints->min_width = size_hints->max_width = width;
 163     size_hints->min_height = size_hints->max_height = height;
 164     size_hints->flags = PMinSize | PMaxSize;
 165     if (flags & (XValue | YValue)) size_hints->flags |= USPosition;
 166     if (flags & (WidthValue | HeightValue)) size_hints->flags |= USSize;
 167     else size_hints->flags |= PSize;
 168
 169     wm_hints->flags = InputHint | StateHint;
 170     wm_hints->input = True;
 171     wm_hints->initial_state = NormalState;
 172     class_hints->res_name  = "wine";
 173     class_hints->res_class = "Wine";
 174
 175     XStringListToTextProperty( &name, 1, &window_name );
 176     XSetWMProperties( display, win, &window_name, &window_name,
 177                       NULL, 0, size_hints, wm_hints, class_hints );
 178     XFree( size_hints );
 179     XFree( wm_hints );
 180     XFree( class_hints );
 181     XFlush( display );
 182     wine_tsx11_unlock();
 183     return win;
 184 }