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support for owner drawn context menus on the desktop

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svn path=/trunk/; revision=13433
This commit is contained in:
Martin Fuchs 2005-02-06 10:38:51 +00:00
parent a1775e6e4c
commit 7ae66a94b0
2 changed files with 65 additions and 2 deletions
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62
reactos/subsys/system/explorer/desktop/desktop.cpp
View file

@ -1,5 +1,5 @@
/*
* Copyright 2003, 2004 Martin Fuchs
* Copyright 2003, 2004, 2005 Martin Fuchs
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
@ -473,6 +473,11 @@ DesktopShellView::DesktopShellView(HWND hwnd, IShellView* pShellView)
: super(hwnd),
_pShellView(pShellView)
{
_pctxmenu2 = NULL;
#ifndef __MINGW32__ // IContextMenu3 missing in MinGW (as of 6.2.2005)
_pctxmenu3 = NULL;
#endif
_hwndListView = ::GetNextWindow(hwnd, GW_CHILD);
SetWindowStyle(_hwndListView, GetWindowStyle(_hwndListView)&~LVS_ALIGNMASK);//|LVS_ALIGNTOP|LVS_AUTOARRANGE);
@ -541,6 +546,36 @@ LRESULT DesktopShellView::WndProc(UINT nmsg, WPARAM wparam, LPARAM lparam)
case PM_DISPLAY_VERSION:
return SendMessage(_hwndListView, nmsg, wparam, lparam);
#ifndef __MINGW32__ // IContextMenu3 missing in MinGW (as of 6.2.2005)
case WM_MENUCHAR: // only supported by IContextMenu3
if (_pctxmenu3) {
LRESULT lResult = 0;
_pctxmenu3->HandleMenuMsg2(nmsg, wparam, lparam, &lResult);
return lResult;
}
break;
#endif
case WM_DRAWITEM:
case WM_MEASUREITEM:
if (wparam)
break; // If wParam != 0 then the message is not menu-related.
// fall through
case WM_INITMENUPOPUP:
#ifndef __MINGW32__ // IContextMenu3 missing in MinGW (as of 6.2.2005)
if (_pctxmenu3)
_pctxmenu3->HandleMenuMsg(nmsg, wparam, lparam);
else
#endif
if (_pctxmenu2)
_pctxmenu2->HandleMenuMsg(nmsg, wparam, lparam);
return nmsg==WM_INITMENUPOPUP? 0: TRUE; // Inform caller that we handled WM_INITPOPUPMENU by ourself.
default:
return super::WndProc(nmsg, wparam, lparam);
}
@ -599,11 +634,29 @@ bool DesktopShellView::DoContextMenu(int x, int y)
HRESULT DesktopShellView::DoDesktopContextMenu(int x, int y)
{
IContextMenu* pcm1;
IContextMenu* pcm;
HRESULT hr = DesktopFolder()->GetUIObjectOf(_hwnd, 0, NULL, IID_IContextMenu, NULL, (LPVOID*)&pcm);
HRESULT hr = DesktopFolder()->GetUIObjectOf(_hwnd, 0, NULL, IID_IContextMenu, NULL, (LPVOID*)&pcm1);
if (SUCCEEDED(hr)) {
// Get the higher version context menu interfaces.
_pctxmenu2 = NULL;
#ifndef __MINGW32__ // IContextMenu3 missing in MinGW (as of 6.2.2005)
_pctxmenu3 = NULL;
if (pcm1->QueryInterface(IID_IContextMenu3, (void**)&pcm) == NOERROR)
_pctxmenu3 = (LPCONTEXTMENU3)pcm;
else
#endif
if (pcm1->QueryInterface (IID_IContextMenu2, (void**)&pcm) == NOERROR)
_pctxmenu2 = (LPCONTEXTMENU2)pcm;
if (pcm)
pcm1->Release();
else
pcm = pcm1;
HMENU hmenu = CreatePopupMenu();
if (hmenu) {
@ -615,6 +668,11 @@ HRESULT DesktopShellView::DoDesktopContextMenu(int x, int y)
UINT idCmd = TrackPopupMenu(hmenu, TPM_LEFTALIGN|TPM_RETURNCMD|TPM_RIGHTBUTTON, x, y, 0, _hwnd, NULL);
_pctxmenu2 = NULL;
#ifndef __MINGW32__ // IContextMenu3 missing in MinGW (as of 6.2.2005)
_pctxmenu3 = NULL;
#endif
if (idCmd == FCIDM_SHVIEWLAST-1) {
explorer_about(_hwnd);
} else if (idCmd) {

5
reactos/subsys/system/explorer/desktop/desktop.h
View file

@ -187,4 +187,9 @@ protected:
DesktopDropTarget* _pDropTarget;
HWND _hwndListView;
int _icon_algo;
IContextMenu2* _pctxmenu2;
#ifndef __MINGW32__ // IContextMenu3 missing in MinGW (as of 6.2.2005)
IContextMenu3* _pctxmenu3;
#endif
};