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Fix Bugzilla Bug 676: dynamic explorer start menu sidebar size

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svn path=/trunk/; revision=18172
This commit is contained in:
Martin Fuchs 2005-09-30 18:48:14 +00:00
parent 70c65c0144
commit 39d1d2d86c
2 changed files with 30 additions and 5 deletions
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32
reactos/subsys/system/explorer/taskbar/startmenu.cpp
View file

@ -1555,12 +1555,18 @@ StartMenuRoot::StartMenuRoot(HWND hwnd)
// ignore exception and don't show additional shortcuts
}
ReadLogoSize();
}
void StartMenuRoot::ReadLogoSize()
{
// read size of logo bitmap
BITMAP bmp_hdr;
GetObject(ResBitmap(IDB_LOGOV), sizeof(BITMAP), &bmp_hdr);
GetObject(ResBitmap(GetLogoResId()), sizeof(BITMAP), &bmp_hdr);
_logo_size.cx = bmp_hdr.bmWidth;
_logo_size.cy = bmp_hdr.bmHeight;
// cache logo width
_border_left = _logo_size.cx + 1;
}
@ -1776,6 +1782,11 @@ LRESULT StartMenuRoot::WndProc(UINT nmsg, WPARAM wparam, LPARAM lparam)
Paint(canvas);
break;}
case WM_DISPLAYCHANGE:
// re-evaluate logo size using the correct color depth
ReadLogoSize();
break;
default:
return super::WndProc(nmsg, wparam, lparam);
}
@ -1785,11 +1796,8 @@ LRESULT StartMenuRoot::WndProc(UINT nmsg, WPARAM wparam, LPARAM lparam)
void StartMenuRoot::Paint(PaintCanvas& canvas)
{
int clr_bits;
{WindowCanvas dc(_hwnd); clr_bits=GetDeviceCaps(dc, BITSPIXEL);}
MemCanvas mem_dc;
ResBitmap bmp(clr_bits<=8? clr_bits<=4? IDB_LOGOV16: IDB_LOGOV256: IDB_LOGOV);
ResBitmap bmp(GetLogoResId());
BitmapSelection sel(mem_dc, bmp);
ClientRect clnt(_hwnd);
@ -1807,6 +1815,20 @@ void StartMenuRoot::Paint(PaintCanvas& canvas)
super::Paint(canvas);
}
UINT StartMenuRoot::GetLogoResId()
{
WindowCanvas dc(_hwnd);
int clr_bits = GetDeviceCaps(dc, BITSPIXEL);
if (clr_bits > 8)
return IDB_LOGOV;
else if (clr_bits > 4)
return IDB_LOGOV256;
else
return IDB_LOGOV16;
}
void StartMenuRoot::CloseStartMenu(int id)
{

3
reactos/subsys/system/explorer/taskbar/startmenu.h
View file

@ -377,6 +377,9 @@ protected:
void Paint(PaintCanvas& canvas);
void CloseStartMenu(int id=0);
void ReadLogoSize();
UINT GetLogoResId();
};