source: trunk/src/user32/win32wdesktop.cpp@ 8210

Last change on this file since 8210 was 8210, checked in by sandervl, 23 years ago

fixed double handle allocated for desktop window + made EnumWindows a bit safer
File size: 4.5 KB
Line 
1/* $Id: win32wdesktop.cpp,v 1.19 2002-04-07 21:37:35 sandervl Exp $ */
2/*
3 * Win32 Desktop Window for OS/2
4 *
5 *
6 * Copyright 1999 Sander van Leeuwen (sandervl@xs4all.nl)
7 *
8 *
9 * Project Odin Software License can be found in LICENSE.TXT
10 *
11 */
12#include <os2win.h>
13#include <misc.h>
14#include <win32wbase.h>
15#include <win32wdesktop.h>
16#include "oslibwin.h"
17#include "win32wndhandle.h"
18
19#define DBG_LOCALLOG DBG_win32wdesktop
20#include "dbglocal.h"
21
22Win32Desktop *windowDesktop = 0;
23
24//******************************************************************************
25//******************************************************************************
26BOOL CreateWin32Desktop()
27{
28 windowDesktop = new Win32Desktop();
29 if(windowDesktop == NULL) {
30 dprintf(("Unable to create desktop window!!!"));
31 return FALSE;
32 }
33 return TRUE;
34}
35//******************************************************************************
36//******************************************************************************
37void DestroyDesktopWindow()
38{
39 if(windowDesktop) {
40 delete windowDesktop;
41 windowDesktop = 0;
42 }
43}
44//******************************************************************************
45//******************************************************************************
46Win32Desktop::Win32Desktop() : Win32BaseWindow()
47{
48 rectWindow.left = 0;
49 rectWindow.top = 0;
50 rectWindow.right = OSLibQueryScreenWidth();
51 rectWindow.bottom = OSLibQueryScreenHeight();
52
53 OS2Hwnd = OSLIB_HWND_DESKTOP;
54 OS2HwndFrame = OSLIB_HWND_DESKTOP;
55 rectClient = rectWindow;
56
57 dprintf(("Desktop window %x", Win32Hwnd));
58
59 /* Find the window class */
60 windowClass = Win32WndClass::FindClass(0, (LPSTR)DESKTOP_CLASS_ATOM);
61
62 setWindowProc(windowClass->getWindowProc());
63
64 dwStyle |= WS_VISIBLE;
65}
66//******************************************************************************
67//******************************************************************************
68Win32Desktop::~Win32Desktop()
69{
70}
71//******************************************************************************
72//******************************************************************************
73BOOL Win32Desktop::isDesktopWindow()
74{
75 return TRUE;
76}
77//******************************************************************************
78//Disabling the desktop is not a good idea (mouse no longer responds)
79//******************************************************************************
80BOOL Win32Desktop::EnableWindow(BOOL fEnable)
81{
82 return TRUE; //of course we succeeded
83}
84//******************************************************************************
85//******************************************************************************
86BOOL Win32Desktop::DestroyWindow()
87{
88 dprintf(("WARNING: can't destroy desktop window!!"));
89 return FALSE;
90}
91//******************************************************************************
92//Dummy window procedure. Does nothing.
93//******************************************************************************
94LRESULT WIN32API DesktopWndProc(HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam )
95{
96 switch (message)
97 {
98 case WM_GETTEXT:
99 if (!lParam || !wParam) return 0;
100 ((LPSTR)lParam)[0] = 0;
101 return 0;
102 }
103
104 return 0;
105}
106//******************************************************************************
107//******************************************************************************
108BOOL WIN32API SetDeskWallPaper(LPCSTR filename)
109{
110 dprintf(("USER32: SetDeskWallPaper - empty stub!"));
111
112 return TRUE;
113}
114//******************************************************************************
115//******************************************************************************
116BOOL DESKTOP_Register()
117{
118 WNDCLASSA wndClass;
119
120 ZeroMemory(&wndClass,sizeof(WNDCLASSA));
121 wndClass.style = CS_GLOBALCLASS;
122 wndClass.lpfnWndProc = (WNDPROC)DesktopWndProc;
123 wndClass.cbClsExtra = 0;
124 wndClass.cbWndExtra = 0;
125 wndClass.hCursor = LoadCursorA(0, IDC_ARROWA);
126 wndClass.hbrBackground = 0;
127 wndClass.lpszClassName = DESKTOP_CLASS_NAMEA;
128
129 return RegisterClassA(&wndClass);
130}
131//******************************************************************************
132//******************************************************************************
133BOOL DESKTOP_Unregister()
134{
135 if (GlobalFindAtomA(DESKTOP_CLASS_NAMEA))
136 return UnregisterClassA(DESKTOP_CLASS_NAMEA,(HINSTANCE)NULL);
137 else return FALSE;
138}
139//******************************************************************************
140//******************************************************************************
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