int ImageList_AddAlphaIcon(HIMAGELIST himl, HICON hIcon, HBRUSH hbrush_bkgnd, HDC hdc_wnd)
{
HBITMAP hbmp = create_bitmap_from_icon(hIcon, hbrush_bkgnd, hdc_wnd);
int ret = ImageList_Add(himl, hbmp, 0);
DeleteObject(hbmp);
return ret;
}
HBITMAP Icon::create_bitmap(COLORREF bk_color, HBRUSH hbrBkgnd, HDC hdc_wnd) const
{
if (_itype == IT_SYSCACHE) {
HIMAGELIST himl = g_Globals._icon_cache.get_sys_imagelist();
int cx, cy;
ImageList_GetIconSize(himl, &cx, &cy);
HBITMAP hbmp = CreateCompatibleBitmap(hdc_wnd, cx, cy);
HDC hdc = CreateCompatibleDC(hdc_wnd);
HBITMAP hbmp_old = SelectBitmap(hdc, hbmp);
ImageList_DrawEx(himl, _sys_idx, hdc, 0, 0, cx, cy, bk_color, CLR_DEFAULT, ILD_NORMAL);
SelectBitmap(hdc, hbmp_old);
DeleteDC(hdc);
return hbmp;
} else
return create_bitmap_from_icon(_hicon, hbrBkgnd, hdc_wnd);
}
// fill task bar with buttons for enumerated top level windows
BOOL CALLBACK TaskBar::EnumWndProc(HWND hwnd, LPARAM lparam)
{
TaskBar* pThis = (TaskBar*)lparam;
DWORD style = GetWindowStyle(hwnd);
DWORD ex_style = GetWindowExStyle(hwnd);
if ((style&WS_VISIBLE) && !(ex_style&WS_EX_TOOLWINDOW) &&
!GetParent(hwnd) && !GetWindow(hwnd,GW_OWNER)) {
TCHAR title[BUFFER_LEN];
if (!GetWindowText(hwnd, title, BUFFER_LEN))
title[0] = '\0';
TaskBarMap::iterator found = pThis->_map.find(hwnd);
int last_id = 0;
if (found != pThis->_map.end()) {
last_id = found->second._id;
if (!last_id)
found->second._id = pThis->_next_id++;
} else {
HBITMAP hbmp;
HICON hIcon = get_window_icon_small(hwnd);
BOOL delete_icon = FALSE;
if (!hIcon) {
hIcon = LoadIcon(0, IDI_APPLICATION);
delete_icon = TRUE;
}
if (hIcon) {
hbmp = create_bitmap_from_icon(hIcon, GetSysColorBrush(COLOR_BTNFACE), WindowCanvas(pThis->_htoolbar));
if (delete_icon)
DestroyIcon(hIcon); // some icons can be freed, some not - so ignore any error return of DestroyIcon()
} else
hbmp = 0;
TBADDBITMAP ab = {0, (UINT_PTR)hbmp};
int bmp_idx = SendMessage(pThis->_htoolbar, TB_ADDBITMAP, 1, (LPARAM)&ab);
TaskBarEntry entry;
entry._id = pThis->_next_id++;
entry._hbmp = hbmp;
entry._bmp_idx = bmp_idx;
entry._title = title;
pThis->_map[hwnd] = entry;
found = pThis->_map.find(hwnd);
}
TBBUTTON btn = {-2/*I_IMAGENONE*/, 0, TBSTATE_ENABLED/*|TBSTATE_ELLIPSES*/, BTNS_BUTTON, {0, 0}, 0, 0};
TaskBarEntry& entry = found->second;
++entry._used;
btn.idCommand = entry._id;
HWND foreground = GetForegroundWindow();
HWND foreground_owner = GetWindow(foreground, GW_OWNER);
if (hwnd==foreground || hwnd==foreground_owner) {
btn.fsState |= TBSTATE_PRESSED|TBSTATE_CHECKED;
pThis->_last_foreground_wnd = hwnd;
}
if (!last_id) {
// create new toolbar buttons for new windows
if (title[0])
btn.iString = (INT_PTR)title;
btn.iBitmap = entry._bmp_idx;
entry._btn_idx = SendMessage(pThis->_htoolbar, TB_BUTTONCOUNT, 0, 0);
SendMessage(pThis->_htoolbar, TB_INSERTBUTTON, entry._btn_idx, (LPARAM)&btn);
pThis->ResizeButtons();
} else {
// refresh attributes of existing buttons
if (btn.fsState != entry._fsState)
SendMessage(pThis->_htoolbar, TB_SETSTATE, entry._id, MAKELONG(btn.fsState,0));
if (entry._title != title) {
TBBUTTONINFO info;
info.cbSize = sizeof(TBBUTTONINFO);
info.dwMask = TBIF_TEXT;
info.pszText = title;
SendMessage(pThis->_htoolbar, TB_SETBUTTONINFO, entry._id, (LPARAM)&info);
entry._title = title;
}
}
entry._fsState = btn.fsState;
#ifdef __REACTOS__ // now handled by activating the ARW_HIDE flag with SystemParametersInfo(SPI_SETMINIMIZEDMETRICS)
// move minimized windows out of sight
if (IsIconic(hwnd)) {
RECT rect;
GetWindowRect(hwnd, &rect);
if (rect.bottom > 0)
SetWindowPos(hwnd, 0, -32000, -32000, 0, 0, SWP_NOSIZE|SWP_NOZORDER|SWP_NOACTIVATE);
}
#endif
}
return TRUE;
}