source: trunk/src/user32/win32wdesktop.cpp@ 21537

Last change on this file since 21537 was 10379, checked in by sandervl, 22 years ago

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1/* $Id: win32wdesktop.cpp,v 1.21 2004-01-11 12:03:21 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(WNDPROC_ASCII));
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//******************************************************************************
93HWND Win32Desktop::GetWindow(UINT uCmd)
94{
95 HWND hwndRelated = 0;
96 Win32BaseWindow *window;
97
98 switch(uCmd)
99 {
100 case GW_CHILD:
101 //special case for the desktop window. we need to find the first Odin
102 //window in the z-order
103 hwndRelated = OSLibWinQueryWindow(getOS2WindowHandle(), QWOS_TOP);
104 while(hwndRelated)
105 {
106 window = GetWindowFromOS2FrameHandle(hwndRelated);
107 if(window) {
108 hwndRelated = window->getWindowHandle();
109 RELEASE_WNDOBJ(window);
110 break;
111 }
112 hwndRelated = OSLibWinQueryWindow(hwndRelated, QWOS_NEXT);
113 }
114 break;
115
116 default:
117 return Win32BaseWindow::GetWindow(uCmd);
118 }
119end:
120 dprintf(("GetWindow %x %d returned %x", getWindowHandle(), uCmd, hwndRelated));
121 return hwndRelated;
122}
123//******************************************************************************
124//Dummy window procedure. Does nothing.
125//******************************************************************************
126LRESULT WIN32API DesktopWndProc(HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam )
127{
128 switch (message)
129 {
130 case WM_GETTEXT:
131 if (!lParam || !wParam) return 0;
132 ((LPSTR)lParam)[0] = 0;
133 return 0;
134 }
135
136 return 0;
137}
138//******************************************************************************
139//******************************************************************************
140BOOL WIN32API SetDeskWallPaper(LPCSTR filename)
141{
142 dprintf(("USER32: SetDeskWallPaper - empty stub!"));
143
144 return TRUE;
145}
146//******************************************************************************
147//******************************************************************************
148BOOL DESKTOP_Register()
149{
150 WNDCLASSA wndClass;
151
152 ZeroMemory(&wndClass,sizeof(WNDCLASSA));
153 wndClass.style = CS_GLOBALCLASS;
154 wndClass.lpfnWndProc = (WNDPROC)DesktopWndProc;
155 wndClass.cbClsExtra = 0;
156 wndClass.cbWndExtra = 0;
157 wndClass.hCursor = LoadCursorA(0, IDC_ARROWA);
158 wndClass.hbrBackground = 0;
159 wndClass.lpszClassName = DESKTOP_CLASS_NAMEA;
160
161 return RegisterClassA(&wndClass);
162}
163//******************************************************************************
164//******************************************************************************
165BOOL DESKTOP_Unregister()
166{
167 if (GlobalFindAtomA(DESKTOP_CLASS_NAMEA))
168 return UnregisterClassA(DESKTOP_CLASS_NAMEA,(HINSTANCE)NULL);
169 else return FALSE;
170}
171//******************************************************************************
172//******************************************************************************
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