windows-nt/Source/XPSP1/NT/multimedia/directx/dinput/dx7/diquick/diqhack.c
2020-09-26 16:20:57 +08:00

137 lines
3.7 KiB
C

/*****************************************************************************
*
* diqhack.c
*
* Property sheet hacks.
*
* COMMCTRL's property sheet manager assume that all property sheet
* pages use "MS Shell Dlg" as their font. We might not (especially
* in Japan), so we need to touch up our dialog dimensions so that
* when COMMCTRL computes page dimensions, it comes out okay again.
*
*****************************************************************************/
#include "diquick.h"
/*****************************************************************************
*
* Diq_HackPropertySheets
*
* hdlg - a sample dialog box whose font is the one we are actually
* using.
*
*****************************************************************************/
#pragma BEGIN_CONST_DATA
#define EMIT_IDD(idd, fn) idd
UINT c_rgidd[] = {
EACH_PROPSHEET(EMIT_IDD)
};
typedef struct DLGTEMPLATEEX {
WORD wDlgVer;
WORD wSignature;
DWORD dwHelpID;
DWORD dwExStyle;
DWORD style;
WORD cDlgItems;
short x;
short y;
short cx;
short cy;
} DLGTEMPLATEEX, *PDLGTEMPLATEEX;
INT_PTR INTERNAL
Diq_HackPropertySheets(HWND hdlg)
{
LOGFONT lf;
HFONT hfShell, hfDlg, hfOld;
HDC hdc;
TEXTMETRIC tmDlg, tmShell;
BOOL fRc = TRUE;
int idlg;
hdc = GetDC(hdlg);
if( hdc == NULL ) {
return FALSE;
}
/*
* For comparison purposes, we need "MS Shell Dlg" at 8pt.
*
* On Windows NT, "MS Shell Dlg" is a real font.
* On Windows 95, it's a fake font that is special-cased by
* the dialog manager. So first try to create it for real.
* If that fails, then create it for fake.
*/
ZeroX(lf);
lf.lfHeight = -MulDiv(8, GetDeviceCaps(hdc, LOGPIXELSY), 72);
lf.lfWeight = FW_NORMAL;
lf.lfCharSet = DEFAULT_CHARSET;
lstrcpy(lf.lfFaceName, TEXT("MS Shell Dlg"));
hfShell = CreateFontIndirect(&lf);
if (hfShell == 0) {
lstrcpy(lf.lfFaceName, TEXT("MS Sans Serif"));
hfShell = CreateFontIndirect(&lf);
if (hfShell == 0) {
fRc = FALSE;
goto done;
}
}
hfDlg = GetWindowFont(hdlg);
if (hfDlg == 0) {
hfDlg = GetStockObject(SYSTEM_FONT);
}
hfOld = SelectFont(hdc, hfDlg);
GetTextMetrics(hdc, &tmDlg);
SelectFont(hdc, hfShell);
GetTextMetrics(hdc, &tmShell);
SelectFont(hdc, hfOld);
DeleteObject(hfShell);
/*
* Now adjust all the property sheet page dimensions so that
* when COMMCTRL tries to adjust them, the two adjustments cancel
* out and everybody is happy.
*/
for (idlg = 0; idlg < cA(c_rgidd); idlg++) {
HRSRC hrsrc = FindResource(g_hinst, (PV)(UINT_PTR)c_rgidd[idlg], RT_DIALOG);
if (hrsrc) {
HGLOBAL hglob = LoadResource(g_hinst, hrsrc);
if (hglob) {
LPDLGTEMPLATE ptmp = LockResource(hglob);
if (ptmp) {
short *psi;
DWORD dwScratch;
if (ptmp->style == 0xFFFF0001) {
PDLGTEMPLATEEX pdex = (PV)ptmp;
psi = &pdex->cx;
} else {
psi = &ptmp->cx;
}
VirtualProtect(psi, 2 * sizeof(short),
PAGE_READWRITE, &dwScratch);
psi[0] = (short)MulDiv(psi[0], tmDlg.tmAveCharWidth,
tmShell.tmAveCharWidth);
psi[1] = (short)MulDiv(psi[1], tmDlg.tmHeight,
tmShell.tmHeight);
}
}
}
}
done:;
ReleaseDC(hdlg, hdc);
return fRc;
}