source: trunk/src/user32/win32wmisc.cpp@ 7516

Last change on this file since 7516 was 6762, checked in by sandervl, 24 years ago

ported the Wine MDI control + some menu fixes
File size: 4.4 KB
Line 
1/* $Id: win32wmisc.cpp,v 1.1 2001-09-19 15:39:51 sandervl Exp $ */
2/*
3 * Misc. functions for window management
4 *
5 * Copyright 2001 Sander van Leeuwen (sandervl@xs4all.nl)
6 *
7 * Parts based on Wine (windows\mdi.c; windows\win.c)
8 *
9 * Copyright 1994, Bob Amstadt
10 * 1995,1996 Alex Korobka
11 * Copyright 1993, 1994 Alexandre Julliard
12 *
13 * Project Odin Software License can be found in LICENSE.TXT
14 *
15 */
16#include <os2win.h>
17#include <win.h>
18#include <stdlib.h>
19#include <string.h>
20#include <stdarg.h>
21#include <assert.h>
22#include <misc.h>
23#include <win32wnd.h>
24#include <heapstring.h>
25#include <spy.h>
26#include "wndmsg.h"
27#include <oslibwin.h>
28#include <oslibutil.h>
29#include <oslibgdi.h>
30#include <oslibres.h>
31#include "oslibdos.h"
32#include "win32wndhandle.h"
33#include "win32wmisc.h"
34
35//******************************************************************************
36//******************************************************************************
37/*******************************************************************
38 * WIN_ListChildren
39 *
40 * Build an array of the children of a given window. The array must be
41 * freed with HeapFree. Returns NULL when no windows are found.
42 */
43HWND *WIN_ListChildren( HWND hwnd )
44{
45 Win32BaseWindow *parent = Win32BaseWindow::GetWindowFromHandle(hwnd), *win32wnd;
46 HWND *list, *phwnd;
47 UINT count = 0;
48
49 if(parent == NULL) {
50 dprintf(("ERROR: WIN_ListChildren invalid hwnd %x", hwnd));
51 return 0;
52 }
53
54 /* First count the windows */
55 win32wnd = (Win32BaseWindow*)parent->getFirstChild();
56 while (win32wnd)
57 {
58 count++;
59 win32wnd = (Win32BaseWindow*)win32wnd->getNextChild();
60 }
61
62 if( count )
63 {
64 /* Now build the list of all windows */
65
66 if ((list = (HWND *)HeapAlloc( GetProcessHeap(), 0, sizeof(HWND) * (count + 1))))
67 {
68 win32wnd = (Win32BaseWindow*)parent->getFirstChild();
69 phwnd = list;
70 count = 0;
71 while(win32wnd)
72 {
73 *phwnd++ = win32wnd->getWindowHandle();
74 count++;
75 win32wnd = (Win32BaseWindow*)win32wnd->getNextChild();
76 }
77 *phwnd = 0;
78 }
79 else count = 0;
80 } else list = NULL;
81
82 RELEASE_WNDOBJ(parent);
83 return list;
84}
85//******************************************************************************
86//******************************************************************************
87MDICLIENTINFO *get_client_info( HWND hwndClient )
88{
89 MDICLIENTINFO *ret = NULL;
90 Win32BaseWindow *client = Win32BaseWindow::GetWindowFromHandle(hwndClient);
91
92 if (client)
93 {
94 if (client->getCBExtra() < sizeof(MDICLIENTINFO)) {
95 dprintf(("WARNING: get_client_info %x is not an MDI client", hwndClient ));
96 }
97 else ret = (MDICLIENTINFO*)client->getExtraPtr();
98 RELEASE_WNDOBJ(client);
99 }
100 return ret;
101}
102//******************************************************************************
103//******************************************************************************
104void GetWindowRectParent(HWND hwnd, RECT *pRect)
105{
106 Win32BaseWindow *window = Win32BaseWindow::GetWindowFromHandle(hwnd);
107
108 if (window)
109 {
110 *pRect = *window->getWindowRect();
111 RELEASE_WNDOBJ(window);
112 }
113}
114//******************************************************************************
115//******************************************************************************
116HMENU WIN32API getSysMenu(HWND hwnd)
117{
118 Win32BaseWindow *win32wnd = Win32BaseWindow::GetWindowFromHandle(hwnd);
119
120 if(win32wnd) {
121 HMENU hmenu = win32wnd->GetSysMenu();
122 RELEASE_WNDOBJ(win32wnd);
123 return hmenu;
124 }
125 return (HMENU)0;
126}
127//******************************************************************************
128//******************************************************************************
129VOID setSysMenu(HWND hwnd,HMENU hMenu)
130{
131 Win32BaseWindow *win32wnd = Win32BaseWindow::GetWindowFromHandle(hwnd);
132
133 if(win32wnd) {
134 win32wnd->SetSysMenu(hMenu);
135 RELEASE_WNDOBJ(win32wnd);
136 }
137}
138/***********************************************************************
139 * NC_GetSysPopupPos
140 */
141void NC_GetSysPopupPos( HWND hwnd, RECT* rect )
142{
143 Win32BaseWindow *win32wnd = Win32BaseWindow::GetWindowFromHandle(hwnd);
144
145 if (!win32wnd) return;
146
147 win32wnd->GetSysPopupPos(rect);
148 RELEASE_WNDOBJ(win32wnd);
149}
150//******************************************************************************
151//******************************************************************************
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