From: Jacek Caban jacek@codeweavers.com
Signed-off-by: Jacek Caban jacek@codeweavers.com --- dlls/user32/dialog.c | 17 +----------- dlls/win32u/sysparams.c | 61 +++++++++++++++++++++++++++++++---------- include/ntuser.h | 6 ++++ 3 files changed, 53 insertions(+), 31 deletions(-)
diff --git a/dlls/user32/dialog.c b/dlls/user32/dialog.c index 66000995861..b804de90df2 100644 --- a/dlls/user32/dialog.c +++ b/dlls/user32/dialog.c @@ -1519,22 +1519,7 @@ BOOL WINAPI CheckRadioButton( HWND hwndDlg, int firstID, */ DWORD WINAPI GetDialogBaseUnits(void) { - static LONG cx, cy; - - if (!cx) - { - HDC hdc; - - if ((hdc = GetDC(0))) - { - cx = GdiGetCharDimensions( hdc, NULL, &cy ); - NtUserReleaseDC( 0, hdc ); - } - TRACE( "base units = %ld,%ld\n", cx, cy ); - } - - return MAKELONG( MulDiv( cx, GetDpiForSystem(), USER_DEFAULT_SCREEN_DPI ), - MulDiv( cy, GetDpiForSystem(), USER_DEFAULT_SCREEN_DPI )); + return NtUserGetDialogBaseUnits(); }
diff --git a/dlls/win32u/sysparams.c b/dlls/win32u/sysparams.c index 20b24d9fe86..7e43cc2f36f 100644 --- a/dlls/win32u/sysparams.c +++ b/dlls/win32u/sysparams.c @@ -2724,38 +2724,66 @@ static void get_real_fontname( LOGFONTW *lf, WCHAR fullname[LF_FACESIZE] ) lstrcpyW( fullname, lf->lfFaceName ); }
+static LONG get_char_dimentions( HDC hdc, TEXTMETRICW *metric, LONG *height ) +{ + SIZE sz; + static const WCHAR abcdW[] = + {'a','b','c','d','e','f','g','h','i','j','k','l','m','n','o','p','q', + 'r','s','t','u','v','w','x','y','z','A','B','C','D','E','F','G','H', + 'I','J','K','L','M','N','O','P','Q','R','S','T','U','V','W','X','Y','Z'}; + + if (metric && !NtGdiGetTextMetricsW( hdc, metric, 0 )) return 0; + + if (!NtGdiGetTextExtentExW( hdc, abcdW, ARRAYSIZE(abcdW), 0, NULL, NULL, &sz, 0 )) + return 0; + + if (height) *height = sz.cy; + return (sz.cx / 26 + 1) / 2; +} + /* get text metrics and/or "average" char width of the specified logfont * for the specified dc */ -static void get_text_metr_size( HDC hdc, LOGFONTW *plf, TEXTMETRICW * ptm, UINT *psz) +static void get_text_metr_size( HDC hdc, LOGFONTW *plf, TEXTMETRICW *metric, UINT *psz) { ENUMLOGFONTEXDVW exdv = { .elfEnumLogfontEx.elfLogFont = *plf }; HFONT hfont, hfontsav; TEXTMETRICW tm; - if (!ptm) ptm = &tm; + UINT ret; + if (!metric) metric = &tm; hfont = NtGdiHfontCreate( &exdv, sizeof(exdv), 0, 0, NULL ); if (!hfont || !(hfontsav = NtGdiSelectFont( hdc, hfont ))) { - ptm->tmHeight = -1; + metric->tmHeight = -1; if (psz) *psz = 10; if (hfont) NtGdiDeleteObjectApp( hfont ); return; } - NtGdiGetTextMetricsW( hdc, ptm, 0 ); - if (psz) - { - SIZE sz; - static const WCHAR abcdW[] = - {'a','b','c','d','e','f','g','h','i','j','k','l','m','n','o','p','q', - 'r','s','t','u','v','w','x','y','z','A','B','C','D','E','F','G','H', - 'I','J','K','L','M','N','O','P','Q','R','S','T','U','V','W','X','Y','Z'}; - if (NtGdiGetTextExtentExW( hdc, abcdW, ARRAYSIZE(abcdW), 0, NULL, NULL, &sz, 0 )) - *psz = (sz.cx / 26 + 1) / 2; - else *psz = 10; - } + ret = get_char_dimentions( hdc, metric, NULL ); + if (psz) *psz = ret ? ret : 10; NtGdiSelectFont( hdc, hfontsav ); NtGdiDeleteObjectApp( hfont ); }
+static DWORD get_dialog_base_units(void) +{ + static LONG cx, cy; + + if (!cx) + { + HDC hdc; + + if ((hdc = NtUserGetDCEx( 0, 0, DCX_CACHE | DCX_WINDOW ))) + { + cx = get_char_dimentions( hdc, NULL, &cy ); + NtUserReleaseDC( 0, hdc ); + } + TRACE( "base units = %d,%d\n", cx, cy ); + } + + return MAKELONG( muldiv( cx, get_system_dpi(), USER_DEFAULT_SCREEN_DPI ), + muldiv( cy, get_system_dpi(), USER_DEFAULT_SCREEN_DPI )); +} + /* adjust some of the raw values found in the registry */ static void normalize_nonclientmetrics( NONCLIENTMETRICSW *pncm) { @@ -4681,6 +4709,9 @@ ULONG_PTR WINAPI NtUserCallNoParam( ULONG code ) case NtUserCallNoParam_GetDesktopWindow: return HandleToUlong( get_desktop_window() );
+ case NtUserCallNoParam_GetDialogBaseUnits: + return get_dialog_base_units(); + case NtUserCallNoParam_GetInputState: return get_input_state();
diff --git a/include/ntuser.h b/include/ntuser.h index a918be6b7dd..f2fdab6c0f9 100644 --- a/include/ntuser.h +++ b/include/ntuser.h @@ -718,6 +718,7 @@ enum { NtUserCallNoParam_DestroyCaret, NtUserCallNoParam_GetDesktopWindow, + NtUserCallNoParam_GetDialogBaseUnits, NtUserCallNoParam_GetInputState, NtUserCallNoParam_ReleaseCapture, /* temporary exports */ @@ -735,6 +736,11 @@ static inline HWND NtUserGetDesktopWindow(void) return UlongToHandle( NtUserCallNoParam( NtUserCallNoParam_GetDesktopWindow )); }
+static inline DWORD NtUserGetDialogBaseUnits(void) +{ + return NtUserCallNoParam( NtUserCallNoParam_GetDialogBaseUnits ); +}; + static inline BOOL NtUserGetInputState(void) { return NtUserCallNoParam( NtUserCallNoParam_GetInputState );