mirror of
git://source.winehq.org/git/wine.git
synced 2024-10-31 10:41:12 +00:00
120 lines
3.5 KiB
C
120 lines
3.5 KiB
C
/*
|
|
* ReactOS Task Manager
|
|
*
|
|
* proclist.c
|
|
*
|
|
* Copyright (C) 1999 - 2001 Brian Palmer <brianp@reactos.org>
|
|
*
|
|
* This library is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU Lesser General Public
|
|
* License as published by the Free Software Foundation; either
|
|
* version 2.1 of the License, or (at your option) any later version.
|
|
*
|
|
* This library is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
* Lesser General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Lesser General Public
|
|
* License along with this library; if not, write to the Free Software
|
|
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
|
*/
|
|
|
|
#define WIN32_LEAN_AND_MEAN /* Exclude rarely-used stuff from Windows headers */
|
|
#include <windows.h>
|
|
#include <commctrl.h>
|
|
#include <stdlib.h>
|
|
#include <malloc.h>
|
|
#include <memory.h>
|
|
#include <tchar.h>
|
|
#include <stdio.h>
|
|
#include <winnt.h>
|
|
|
|
#include "taskmgr.h"
|
|
#include "perfdata.h"
|
|
|
|
|
|
LRESULT CALLBACK ProcessListWndProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam);
|
|
|
|
WNDPROC OldProcessListWndProc;
|
|
|
|
|
|
LRESULT CALLBACK ProcessListWndProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam)
|
|
{
|
|
HBRUSH hbrBackground;
|
|
RECT rcItem;
|
|
RECT rcClip;
|
|
HDC hDC;
|
|
int DcSave;
|
|
|
|
switch (message)
|
|
{
|
|
case WM_ERASEBKGND:
|
|
|
|
/*
|
|
* The list control produces a nasty flicker
|
|
* when the user is resizing the window because
|
|
* it erases the background to white, then
|
|
* paints the list items over it.
|
|
*
|
|
* We will clip the drawing so that it only
|
|
* erases the parts of the list control that
|
|
* show only the background.
|
|
*/
|
|
|
|
/*
|
|
* Get the device context and save it's state
|
|
* to be restored after we're done
|
|
*/
|
|
hDC = (HDC) wParam;
|
|
DcSave = SaveDC(hDC);
|
|
|
|
/*
|
|
* Get the background brush
|
|
*/
|
|
hbrBackground = (HBRUSH) GetClassLongPtr(hWnd, GCLP_HBRBACKGROUND);
|
|
|
|
/*
|
|
* Calculate the clip rect by getting the RECT
|
|
* of the first and last items and adding them up.
|
|
*
|
|
* We also have to get the item's icon RECT and
|
|
* subtract it from our clip rect because we don't
|
|
* use icons in this list control.
|
|
*/
|
|
ListView_GetItemRect(hWnd, 0, &rcClip, LVIR_BOUNDS);
|
|
ListView_GetItemRect(hWnd, ListView_GetItemCount(hWnd) - 1, &rcItem, LVIR_BOUNDS);
|
|
rcClip.bottom = rcItem.bottom;
|
|
ListView_GetItemRect(hWnd, 0, &rcItem, LVIR_ICON);
|
|
rcClip.left = rcItem.right;
|
|
|
|
/*
|
|
* Now exclude the clip rect
|
|
*/
|
|
ExcludeClipRect(hDC, rcClip.left, rcClip.top, rcClip.right, rcClip.bottom);
|
|
|
|
/*
|
|
* Now erase the background
|
|
*
|
|
*
|
|
* FIXME: Should I erase it myself or
|
|
* pass down the updated HDC and let
|
|
* the default handler do it?
|
|
*/
|
|
GetClientRect(hWnd, &rcItem);
|
|
FillRect(hDC, &rcItem, hbrBackground);
|
|
|
|
/*
|
|
* Now restore the DC state that we
|
|
* saved earlier
|
|
*/
|
|
RestoreDC(hDC, DcSave);
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
/*
|
|
* We pass on all messages except WM_ERASEBKGND
|
|
*/
|
|
return CallWindowProc(OldProcessListWndProc, hWnd, message, wParam, lParam);
|
|
}
|