356 lines
9.8 KiB
C
356 lines
9.8 KiB
C
/*
|
|
* Desktop window class.
|
|
*
|
|
* Copyright 1994 Alexandre Julliard
|
|
*/
|
|
|
|
#include <stdio.h>
|
|
#include <string.h>
|
|
#include <unistd.h>
|
|
|
|
#include "desktop.h"
|
|
#include "windef.h"
|
|
#include "heap.h"
|
|
#include "monitor.h"
|
|
#include "win.h"
|
|
#include "wine/winuser16.h"
|
|
|
|
/**********************************************************************/
|
|
|
|
DESKTOP_DRIVER *DESKTOP_Driver = NULL;
|
|
|
|
/***********************************************************************
|
|
* DESKTOP_IsSingleWindow
|
|
*/
|
|
BOOL DESKTOP_IsSingleWindow()
|
|
{
|
|
BOOL retvalue;
|
|
DESKTOP *pDesktop = (DESKTOP *) WIN_GetDesktop()->wExtra;
|
|
retvalue = MONITOR_IsSingleWindow(pDesktop->pPrimaryMonitor);
|
|
WIN_ReleaseDesktop();
|
|
return retvalue;
|
|
}
|
|
|
|
/***********************************************************************
|
|
* DESKTOP_GetScreenWidth
|
|
*
|
|
* Return the width of the screen associated to the current desktop.
|
|
*/
|
|
int DESKTOP_GetScreenWidth()
|
|
{
|
|
int retvalue;
|
|
DESKTOP *pDesktop = (DESKTOP *) WIN_GetDesktop()->wExtra;
|
|
retvalue = MONITOR_GetWidth(pDesktop->pPrimaryMonitor);
|
|
WIN_ReleaseDesktop();
|
|
return retvalue;
|
|
|
|
}
|
|
|
|
/***********************************************************************
|
|
* DESKTOP_GetScreenHeight
|
|
*
|
|
* Return the height of the screen associated to the current desktop.
|
|
*/
|
|
int DESKTOP_GetScreenHeight()
|
|
{
|
|
int retvalue;
|
|
DESKTOP *pDesktop = (DESKTOP *) WIN_GetDesktop()->wExtra;
|
|
retvalue = MONITOR_GetHeight(pDesktop->pPrimaryMonitor);
|
|
WIN_ReleaseDesktop();
|
|
return retvalue;
|
|
|
|
}
|
|
|
|
/***********************************************************************
|
|
* DESKTOP_GetScreenDepth
|
|
*
|
|
* Return the depth of the screen associated to the current desktop.
|
|
*/
|
|
int DESKTOP_GetScreenDepth()
|
|
{
|
|
int retvalue;
|
|
DESKTOP *pDesktop = (DESKTOP *) WIN_GetDesktop()->wExtra;
|
|
retvalue = MONITOR_GetDepth(pDesktop->pPrimaryMonitor);
|
|
WIN_ReleaseDesktop();
|
|
return retvalue;
|
|
|
|
}
|
|
|
|
/***********************************************************************
|
|
* DESKTOP_LoadBitmap
|
|
*
|
|
* Load a bitmap from a file. Used by SetDeskWallPaper().
|
|
*/
|
|
static HBITMAP DESKTOP_LoadBitmap( HDC hdc, const char *filename )
|
|
{
|
|
BITMAPFILEHEADER *fileHeader;
|
|
BITMAPINFO *bitmapInfo;
|
|
HBITMAP hbitmap;
|
|
HFILE file;
|
|
LPSTR buffer;
|
|
LONG size;
|
|
|
|
/* Read all the file into memory */
|
|
|
|
if ((file = _lopen( filename, OF_READ )) == HFILE_ERROR)
|
|
{
|
|
UINT len = GetWindowsDirectoryA( NULL, 0 );
|
|
if (!(buffer = HeapAlloc( GetProcessHeap(), 0,
|
|
len + strlen(filename) + 2 )))
|
|
return 0;
|
|
GetWindowsDirectoryA( buffer, len + 1 );
|
|
strcat( buffer, "\\" );
|
|
strcat( buffer, filename );
|
|
file = _lopen( buffer, OF_READ );
|
|
HeapFree( GetProcessHeap(), 0, buffer );
|
|
}
|
|
if (file == HFILE_ERROR) return 0;
|
|
size = _llseek( file, 0, 2 );
|
|
if (!(buffer = HeapAlloc( GetProcessHeap(), 0, size )))
|
|
{
|
|
_lclose( file );
|
|
return 0;
|
|
}
|
|
_llseek( file, 0, 0 );
|
|
size = _lread( file, buffer, size );
|
|
_lclose( file );
|
|
fileHeader = (BITMAPFILEHEADER *)buffer;
|
|
bitmapInfo = (BITMAPINFO *)(buffer + sizeof(BITMAPFILEHEADER));
|
|
|
|
/* Check header content */
|
|
if ((fileHeader->bfType != 0x4d42) || (size < fileHeader->bfSize))
|
|
{
|
|
HeapFree( GetProcessHeap(), 0, buffer );
|
|
return 0;
|
|
}
|
|
hbitmap = CreateDIBitmap( hdc, &bitmapInfo->bmiHeader, CBM_INIT,
|
|
buffer + fileHeader->bfOffBits,
|
|
bitmapInfo, DIB_RGB_COLORS );
|
|
HeapFree( GetProcessHeap(), 0, buffer );
|
|
return hbitmap;
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* DESKTOP_DoEraseBkgnd
|
|
*
|
|
* Handle the WM_ERASEBKGND message.
|
|
*/
|
|
static LRESULT DESKTOP_DoEraseBkgnd( HWND hwnd, HDC hdc,
|
|
DESKTOP *desktopPtr )
|
|
{
|
|
RECT rect;
|
|
WND* Wnd = WIN_FindWndPtr( hwnd );
|
|
|
|
if (Wnd->hrgnUpdate > 1) DeleteObject( Wnd->hrgnUpdate );
|
|
Wnd->hrgnUpdate = 0;
|
|
|
|
WIN_ReleaseWndPtr(Wnd);
|
|
|
|
GetClientRect( hwnd, &rect );
|
|
|
|
/* Paint desktop pattern (only if wall paper does not cover everything) */
|
|
|
|
if (!desktopPtr->hbitmapWallPaper ||
|
|
(!desktopPtr->fTileWallPaper && ((desktopPtr->bitmapSize.cx < rect.right) ||
|
|
(desktopPtr->bitmapSize.cy < rect.bottom))))
|
|
{
|
|
/* Set colors in case pattern is a monochrome bitmap */
|
|
SetBkColor( hdc, RGB(0,0,0) );
|
|
SetTextColor( hdc, GetSysColor(COLOR_BACKGROUND) );
|
|
FillRect( hdc, &rect, desktopPtr->hbrushPattern );
|
|
}
|
|
|
|
/* Paint wall paper */
|
|
|
|
if (desktopPtr->hbitmapWallPaper)
|
|
{
|
|
INT x, y;
|
|
HDC hMemDC = CreateCompatibleDC( hdc );
|
|
|
|
SelectObject( hMemDC, desktopPtr->hbitmapWallPaper );
|
|
|
|
if (desktopPtr->fTileWallPaper)
|
|
{
|
|
for (y = 0; y < rect.bottom; y += desktopPtr->bitmapSize.cy)
|
|
for (x = 0; x < rect.right; x += desktopPtr->bitmapSize.cx)
|
|
BitBlt( hdc, x, y, desktopPtr->bitmapSize.cx,
|
|
desktopPtr->bitmapSize.cy, hMemDC, 0, 0, SRCCOPY );
|
|
}
|
|
else
|
|
{
|
|
x = (rect.left + rect.right - desktopPtr->bitmapSize.cx) / 2;
|
|
y = (rect.top + rect.bottom - desktopPtr->bitmapSize.cy) / 2;
|
|
if (x < 0) x = 0;
|
|
if (y < 0) y = 0;
|
|
BitBlt( hdc, x, y, desktopPtr->bitmapSize.cx,
|
|
desktopPtr->bitmapSize.cy, hMemDC, 0, 0, SRCCOPY );
|
|
}
|
|
DeleteDC( hMemDC );
|
|
}
|
|
|
|
return 1;
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* DesktopWndProc_locked
|
|
*
|
|
* Window procedure for the desktop window.
|
|
*/
|
|
static inline LRESULT WINAPI DesktopWndProc_locked( WND *wndPtr, UINT message,
|
|
WPARAM wParam, LPARAM lParam )
|
|
{
|
|
DESKTOP *desktopPtr = (DESKTOP *)wndPtr->wExtra;
|
|
HWND hwnd = wndPtr->hwndSelf;
|
|
|
|
/* Most messages are ignored (we DON'T call DefWindowProc) */
|
|
|
|
switch(message)
|
|
{
|
|
/* Warning: this message is sent directly by */
|
|
/* WIN_CreateDesktopWindow() and does not contain a valid lParam */
|
|
case WM_NCCREATE:
|
|
desktopPtr->hbrushPattern = 0;
|
|
desktopPtr->hbitmapWallPaper = 0;
|
|
SetDeskPattern();
|
|
SetDeskWallPaper( (LPSTR)-1 );
|
|
return 1;
|
|
|
|
case WM_ERASEBKGND:
|
|
if(!DESKTOP_IsSingleWindow())
|
|
return 1;
|
|
return DESKTOP_DoEraseBkgnd( hwnd, (HDC)wParam, desktopPtr );
|
|
|
|
case WM_SYSCOMMAND:
|
|
if ((wParam & 0xfff0) != SC_CLOSE)
|
|
return 0;
|
|
ExitWindows16( 0, 0 );
|
|
|
|
case WM_SETCURSOR:
|
|
return (LRESULT)SetCursor16( LoadCursor16( 0, IDC_ARROW16 ) );
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
/***********************************************************************
|
|
* DesktopWndProc
|
|
*
|
|
* This is just a wrapper for the DesktopWndProc which does windows
|
|
* locking and unlocking.
|
|
*/
|
|
LRESULT WINAPI DesktopWndProc( HWND hwnd, UINT message,
|
|
WPARAM wParam, LPARAM lParam )
|
|
{
|
|
WND *wndPtr = WIN_FindWndPtr( hwnd );
|
|
LRESULT retvalue = DesktopWndProc_locked(wndPtr,message,wParam,lParam);
|
|
|
|
WIN_ReleaseWndPtr(wndPtr);
|
|
return retvalue;
|
|
}
|
|
|
|
/***********************************************************************
|
|
* PaintDesktop (USER32.415)
|
|
*
|
|
*/
|
|
BOOL WINAPI PaintDesktop(HDC hdc)
|
|
{
|
|
BOOL retvalue;
|
|
HWND hwnd = GetDesktopWindow();
|
|
WND *wndPtr = WIN_FindWndPtr( hwnd );
|
|
DESKTOP *desktopPtr = (DESKTOP *)wndPtr->wExtra;
|
|
retvalue = DESKTOP_DoEraseBkgnd( hwnd, hdc, desktopPtr );
|
|
WIN_ReleaseWndPtr(wndPtr);
|
|
return retvalue;
|
|
|
|
}
|
|
|
|
/***********************************************************************
|
|
* SetDeskPattern (USER.279)
|
|
*/
|
|
BOOL16 WINAPI SetDeskPattern(void)
|
|
{
|
|
char buffer[100];
|
|
GetProfileStringA( "desktop", "Pattern", "(None)", buffer, 100 );
|
|
return DESKTOP_SetPattern( buffer );
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* SetDeskWallPaper16 (USER.285)
|
|
*/
|
|
BOOL16 WINAPI SetDeskWallPaper16( LPCSTR filename )
|
|
{
|
|
return SetDeskWallPaper( filename );
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* SetDeskWallPaper32 (USER32.475)
|
|
*
|
|
* FIXME: is there a unicode version?
|
|
*/
|
|
BOOL WINAPI SetDeskWallPaper( LPCSTR filename )
|
|
{
|
|
HBITMAP hbitmap;
|
|
HDC hdc;
|
|
char buffer[256];
|
|
WND *wndPtr = WIN_GetDesktop();
|
|
DESKTOP *desktopPtr = (DESKTOP *)wndPtr->wExtra;
|
|
|
|
if (filename == (LPSTR)-1)
|
|
{
|
|
GetProfileStringA( "desktop", "WallPaper", "(None)", buffer, 256 );
|
|
filename = buffer;
|
|
}
|
|
hdc = GetDC( 0 );
|
|
hbitmap = DESKTOP_LoadBitmap( hdc, filename );
|
|
ReleaseDC( 0, hdc );
|
|
if (desktopPtr->hbitmapWallPaper) DeleteObject( desktopPtr->hbitmapWallPaper );
|
|
desktopPtr->hbitmapWallPaper = hbitmap;
|
|
desktopPtr->fTileWallPaper = GetProfileIntA( "desktop", "TileWallPaper", 0 );
|
|
if (hbitmap)
|
|
{
|
|
BITMAP bmp;
|
|
GetObjectA( hbitmap, sizeof(bmp), &bmp );
|
|
desktopPtr->bitmapSize.cx = (bmp.bmWidth != 0) ? bmp.bmWidth : 1;
|
|
desktopPtr->bitmapSize.cy = (bmp.bmHeight != 0) ? bmp.bmHeight : 1;
|
|
}
|
|
WIN_ReleaseDesktop();
|
|
return TRUE;
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* DESKTOP_SetPattern
|
|
*
|
|
* Set the desktop pattern.
|
|
*/
|
|
BOOL DESKTOP_SetPattern( LPCSTR pattern )
|
|
{
|
|
WND *wndPtr = WIN_GetDesktop();
|
|
DESKTOP *desktopPtr = (DESKTOP *)wndPtr->wExtra;
|
|
int pat[8];
|
|
|
|
if (desktopPtr->hbrushPattern) DeleteObject( desktopPtr->hbrushPattern );
|
|
memset( pat, 0, sizeof(pat) );
|
|
if (pattern && sscanf( pattern, " %d %d %d %d %d %d %d %d",
|
|
&pat[0], &pat[1], &pat[2], &pat[3],
|
|
&pat[4], &pat[5], &pat[6], &pat[7] ))
|
|
{
|
|
WORD pattern[8];
|
|
HBITMAP hbitmap;
|
|
int i;
|
|
|
|
for (i = 0; i < 8; i++) pattern[i] = pat[i] & 0xffff;
|
|
hbitmap = CreateBitmap( 8, 8, 1, 1, (LPSTR)pattern );
|
|
desktopPtr->hbrushPattern = CreatePatternBrush( hbitmap );
|
|
DeleteObject( hbitmap );
|
|
}
|
|
else desktopPtr->hbrushPattern = CreateSolidBrush( GetSysColor(COLOR_BACKGROUND) );
|
|
WIN_ReleaseDesktop();
|
|
return TRUE;
|
|
}
|
|
|