windows/x11drv/init.c

   1 /*
   2  * X11 windows driver
   3  *
   4  * Copyright 1993, 1994 Alexandre Julliard
   5  * Copyright 1998 Patrik Stridvall
   6  */
   7
   8 #include <string.h>
   9 #include <X11/Xatom.h>
  10 #include "ts_xlib.h"
  11 #include "color.h"
  12 #include "cursoricon.h"
  13 #include "dce.h"
  14 #include "options.h"
  15 #include "message.h"
  16 #include "win.h"
  17 #include "windows.h"
  18 #include "x11drv.h"
  19
  20 static BOOL32 X11DRV_WND_CreateWindow(WND *wndPtr, CLASS *classPtr, CREATESTRUCT32A *cs, BOOL32 bUnicode);
  21 static WND *X11DRV_WND_SetParent(WND *wndPtr, WND *pWndParent);
  22
  23 WND_DRIVER X11DRV_WND_Driver =
  24 {
  25     X11DRV_WND_CreateWindow,
  26     X11DRV_WND_SetParent
  27 };
  28
  29 /**********************************************************************
  30  *              X11DRV_WND_CreateWindow [Internal]
  31  */
  32 static BOOL32 X11DRV_WND_CreateWindow(WND *wndPtr, CLASS *classPtr, CREATESTRUCT32A *cs, BOOL32 bUnicode)
  33 {
  34   /* Create the X window (only for top-level windows, and then only */
  35   /* when there's no desktop window) */
  36
  37   if (!(cs->style & WS_CHILD) && (rootWindow == DefaultRootWindow(display)))
  38     {
  39       XSetWindowAttributes win_attr;
  40
  41       if (Options.managed && ((cs->style & (WS_DLGFRAME | WS_THICKFRAME)) ||
  42                               (cs->dwExStyle & WS_EX_DLGMODALFRAME)))
  43         {
  44           win_attr.event_mask = ExposureMask | KeyPressMask |
  45             KeyReleaseMask | PointerMotionMask |
  46             ButtonPressMask | ButtonReleaseMask |
  47             FocusChangeMask | StructureNotifyMask;
  48           win_attr.override_redirect = FALSE;
  49           wndPtr->flags |= WIN_MANAGED;
  50         }
  51       else
  52         {
  53           win_attr.event_mask = ExposureMask | KeyPressMask |
  54             KeyReleaseMask | PointerMotionMask |
  55             ButtonPressMask | ButtonReleaseMask |
  56             FocusChangeMask;
  57           win_attr.override_redirect = TRUE;
  58         }
  59       win_attr.colormap      = COLOR_GetColormap();
  60       win_attr.backing_store = Options.backingstore ? WhenMapped : NotUseful;
  61       win_attr.save_under    = ((classPtr->style & CS_SAVEBITS) != 0);
  62       win_attr.cursor        = CURSORICON_XCursor;
  63       wndPtr->window = TSXCreateWindow( display, rootWindow, cs->x, cs->y,
  64                                         cs->cx, cs->cy, 0, CopyFromParent,
  65                                         InputOutput, CopyFromParent,
  66                                         CWEventMask | CWOverrideRedirect |
  67                                         CWColormap | CWCursor | CWSaveUnder |
  68                                         CWBackingStore, &win_attr );
  69
  70       if ((wndPtr->flags & WIN_MANAGED) &&
  71           (cs->dwExStyle & WS_EX_DLGMODALFRAME))
  72         {
  73           XSizeHints* size_hints = TSXAllocSizeHints();
  74
  75           if (size_hints)
  76             {
  77               size_hints->min_width = size_hints->max_width = cs->cx;
  78               size_hints->min_height = size_hints->max_height = cs->cy;
  79                 size_hints->flags = (PSize | PMinSize | PMaxSize);
  80                 TSXSetWMSizeHints( display, wndPtr->window, size_hints,
  81                                    XA_WM_NORMAL_HINTS );
  82                 TSXFree(size_hints);
  83             }
  84         }
  85
  86       if (cs->hwndParent)  /* Get window owner */
  87         {
  88           Window win = WIN_GetXWindow( cs->hwndParent );
  89           if (win) TSXSetTransientForHint( display, wndPtr->window, win );
  90         }
  91       EVENT_RegisterWindow( wndPtr );
  92     }
  93   return TRUE;
  94 }
  95
  96 /*****************************************************************
  97  *              X11DRV_WND_SetParent    [Internal]
  98  */
  99 static WND *X11DRV_WND_SetParent(WND *wndPtr, WND *pWndParent)
 100 {
 101     if( wndPtr && pWndParent && (wndPtr != WIN_GetDesktop()) )
 102     {
 103         WND* pWndPrev = wndPtr->parent;
 104
 105         if( pWndParent != pWndPrev )
 106         {
 107             BOOL32 bFixupDCE = IsWindowVisible32(wndPtr->hwndSelf);
 108
 109             if ( wndPtr->window )
 110             {
 111                 /* Toplevel window needs to be reparented.  Used by Tk 8.0 */
 112
 113                 TSXDestroyWindow( display, wndPtr->window );
 114                 wndPtr->window = None;
 115             }
 116             else if( bFixupDCE )
 117                 DCE_InvalidateDCE( wndPtr, &wndPtr->rectWindow );
 118
 119             WIN_UnlinkWindow(wndPtr->hwndSelf);
 120             wndPtr->parent = pWndParent;
 121
 122             /* FIXME: Create an X counterpart for reparented top-level windows
 123              * when not in the desktop mode. */
 124
 125             if ( pWndParent != WIN_GetDesktop() ) wndPtr->dwStyle |= WS_CHILD;
 126             WIN_LinkWindow(wndPtr->hwndSelf, HWND_BOTTOM);
 127
 128             if( bFixupDCE )
 129             {
 130                 DCE_InvalidateDCE( wndPtr, &wndPtr->rectWindow );
 131                 UpdateWindow32(wndPtr->hwndSelf);
 132             }
 133         }
 134         return pWndPrev;
 135     } /* failure */
 136     return 0;
 137 }