void iupdrvFontGetMultiLineStringSize(Ihandle* ih, const char* str, int *w, int *h)
{
int max_w = 0;
IwinFont* winfont = winFontGet(ih);
if (!winfont)
{
if (w) *w = 0;
if (h) *h = 0;
return;
}
if (!str)
{
if (w) *w = 0;
if (h) *h = winfont->charheight * 1;
return;
}
if (str[0])
{
SIZE size;
int len, wlen;
const char *nextstr;
const char *curstr = str;
HDC hdc = winFontGetDC(ih);
HFONT oldhfont = (HFONT)SelectObject(hdc, winfont->hFont);
TCHAR* wstr = iupwinStrToSystem(str);
do
{
nextstr = iupStrNextLine(curstr, &len);
if (len)
{
#ifdef UNICODE
wlen = MultiByteToWideChar(iupwinStrGetUTF8Mode()? CP_UTF8: CP_ACP, 0, curstr, len, 0, 0);
#else
wlen = len;
#endif
size.cx = 0;
GetTextExtentPoint32(hdc, wstr, wlen, &size);
max_w = iupMAX(max_w, size.cx);
wstr += wlen+1;
}
curstr = nextstr;
} while(*nextstr);
SelectObject(hdc, oldhfont);
winFontReleaseDC(ih, hdc);
}
if (w) *w = max_w;
if (h) *h = winfont->charheight * iupStrLineCount(str);
}
char* iupdrvGetGlobal(const char* name)
{
if (iupStrEqual(name, "VIRTUALSCREEN"))
{
int x = GetSystemMetrics(SM_XVIRTUALSCREEN);
int y = GetSystemMetrics(SM_YVIRTUALSCREEN);
int w = GetSystemMetrics(SM_CXVIRTUALSCREEN);
int h = GetSystemMetrics(SM_CYVIRTUALSCREEN);
return iupStrReturnStrf("%d %d %d %d", x, y, w, h);
}
if (iupStrEqual(name, "MONITORSINFO"))
{
int i;
int monitors_count = GetSystemMetrics(SM_CMONITORS);
RECT* monitors_rect = malloc(monitors_count*sizeof(RECT));
char* str = iupStrGetMemory(monitors_count*50);
char* pstr = str;
win_monitor_index = 0;
EnumDisplayMonitors(NULL, NULL, winGlobalMonitorInfoEnum, (LPARAM)monitors_rect);
for (i=0; i < monitors_count; i++)
pstr += sprintf(pstr, "%d %d %d %d\n", (int)monitors_rect[i].left, (int)monitors_rect[i].top, (int)(monitors_rect[i].right-monitors_rect[i].left), (int)(monitors_rect[i].bottom-monitors_rect[i].top));
free(monitors_rect);
return str;
}
if (iupStrEqual(name, "TRUECOLORCANVAS"))
{
return iupStrReturnBoolean(iupdrvGetScreenDepth() > 8);
}
if (iupStrEqual(name, "UTF8MODE"))
{
return iupStrReturnBoolean(iupwinStrGetUTF8Mode());
}
if (iupStrEqual(name, "UTF8MODE_FILE"))
{
return iupStrReturnBoolean(iupwinStrGetUTF8ModeFile());
}
if (iupStrEqual(name, "DLL_HINSTANCE"))
{
return (char*)iupwin_dll_hinstance;
}
if (iupStrEqual(name, "COMCTL32VER6"))
{
return iupStrReturnBoolean(iupwin_comctl32ver6);
}
if (iupStrEqual(name, "SYSTEMCODEPAGE"))
{
CPINFOEX info;
GetCPInfoEx(CP_ACP, 0, &info);
return iupStrReturnInt(info.CodePage);
}
if (iupStrEqual(name, "LASTERROR"))
{
DWORD error = GetLastError();
if (error)
{
LPTSTR lpMsgBuf = NULL;
FormatMessage(FORMAT_MESSAGE_ALLOCATE_BUFFER|
FORMAT_MESSAGE_FROM_SYSTEM|
FORMAT_MESSAGE_IGNORE_INSERTS,
NULL, error, 0,
(LPTSTR)&lpMsgBuf, /* weird but that's correct */
0, NULL);
if (lpMsgBuf)
{
char* str = iupStrReturnStr(iupwinStrFromSystem(lpMsgBuf));
LocalFree(lpMsgBuf);
return str;
}
else
return "Unknown Error";
}
}
if (iupStrEqual(name, "DWM_COMPOSITION"))
{
typedef HRESULT(STDAPICALLTYPE *PtrDwmIsCompositionEnabled)(BOOL*);
static PtrDwmIsCompositionEnabled dwmIsCompositionEnabled = NULL;
if (dwmIsCompositionEnabled == NULL)
{
HMODULE dwmLibrary = LoadLibrary(TEXT("dwmapi.dll"));
if (dwmLibrary)
dwmIsCompositionEnabled = (PtrDwmIsCompositionEnabled)GetProcAddress(dwmLibrary, "DwmIsCompositionEnabled");
}
if (dwmIsCompositionEnabled != NULL)
{
/* windows vista or higher (has aero): see if disabled */
BOOL enabled;
dwmIsCompositionEnabled(&enabled);
return iupStrReturnBoolean(enabled);
}
else
return NULL;
}
return NULL;
}