diff options
| -rw-r--r-- | init_windows.go | 4 | ||||
| -rw-r--r-- | stdfont_windows.go | 107 | ||||
| -rw-r--r-- | unmigrated/stdfont_windows.go | 74 |
3 files changed, 111 insertions, 74 deletions
diff --git a/init_windows.go b/init_windows.go index 9d22b34..5280742 100644 --- a/init_windows.go +++ b/init_windows.go @@ -66,6 +66,10 @@ func doWindowsInit() (err error) { if err != nil { return fmt.Errorf("error initializing standard window class auxiliary info: %v", err) } + err = getStandardWindowsFonts() + if err != nil { + return fmt.Errorf("error getting standard Windows fonts: %v", err) + } // TODO others return nil // all ready to go } diff --git a/stdfont_windows.go b/stdfont_windows.go new file mode 100644 index 0000000..99c2841 --- /dev/null +++ b/stdfont_windows.go @@ -0,0 +1,107 @@ +// 10 february 2014 +package ui + +import ( + "fmt" +// "syscall" + "unsafe" +) + +var ( + controlFont _HANDLE + titleFont _HANDLE + smallTitleFont _HANDLE + menubarFont _HANDLE + statusbarFont _HANDLE +) + +const ( + _SPI_GETNONCLIENTMETRICS = 0x0029 + _LF_FACESIZE = 32 // from wingdi.h +) + +type _LOGFONT struct { + lfHeight int32 + lfWidth int32 + lfEscapement int32 + lfOrientation int32 + lfWeight int32 + lfItalic byte + lfUnderline byte + lfStrikeOut byte + lfCharSet byte + lfOutPrecision byte + lfClipPrecision byte + lfQuality byte + lfPitchAndFamily byte + lfFaceName [_LF_FACESIZE]uint16 +} + +type _NONCLIENTMETRICS struct { + cbSize uint32 + iBorderWidth int32 // originally int + iScrollWidth int32 // originally int + iScrollHeight int32 // originally int + iCaptionWidth int32 // originally int + iCaptionHeight int32 // originally int + lfCaptionFont _LOGFONT + iSmCaptionWidth int32 // originally int + iSmCaptionHeight int32 // originally int + lfSmCaptionFont _LOGFONT + iMenuWidth int32 // originally int + iMenuHeight int32 // originally int + lfMenuFont _LOGFONT + lfStatusFont _LOGFONT + lfMessageFont _LOGFONT +} + +var ( + _systemParametersInfo = user32.NewProc("SystemParametersInfoW") + _createFontIndirect = gdi32.NewProc("CreateFontIndirectW") +) + +// TODO the lfMessageFont doesn't seem like the right one for controls but that's all I could find for what people actually use; also I need to return the other ones and check HWND types to make sure I apply the right font to the right thing... +func getStandardWindowFonts() (err error) { + var ncm _NONCLIENTMETRICS + + ncm.cbSize = uint32(unsafe.Sizeof(ncm)) + r1, _, err := _systemParametersInfo.Call( + uintptr(_SPI_GETNONCLIENTMETRICS), + uintptr(unsafe.Sizeof(ncm)), + uintptr(unsafe.Pointer(&ncm)), + 0) + if r1 == 0 { // failure + return fmt.Errorf("error getting system parameters: %v", err) + } + + getfont := func(which *_LOGFONT, what string) (_HANDLE, error) { + // TODO does this specify an error? + r1, _, err = _createFontIndirect.Call(uintptr(unsafe.Pointer(which))) + if r1 == 0 { // failure + return _NULL, fmt.Errorf("error getting %s font", what, err) + } + return _HANDLE(r1), nil + } + + controlFont, err = getfont(&ncm.lfMessageFont, "control") + if err != nil { + return err + } + titleFont, err = getfont(&ncm.lfCaptionFont, "titlebar") + if err != nil { + return err + } + smallTitleFont, err = getfont(&ncm.lfSmCaptionFont, "small titlebar") + if err != nil { + return err + } + menubarFont, err = getfont(&ncm.lfMenuFont, "menubar") + if err != nil { + return err + } + statusbarFont, err = getfont(&ncm.lfStatusFont, "statusbar") + if err != nil { + return err + } + return nil // all good +} diff --git a/unmigrated/stdfont_windows.go b/unmigrated/stdfont_windows.go deleted file mode 100644 index 255013a..0000000 --- a/unmigrated/stdfont_windows.go +++ /dev/null @@ -1,74 +0,0 @@ -// 10 february 2014 -package ui - -import ( -// "syscall" - "unsafe" -) - -const ( - SPI_GETNONCLIENTMETRICS = 0x0029 - LF_FACESIZE = 32 // from wingdi.h -) - -type LOGFONT struct { - lfHeight int32 - lfWidth int32 - lfEscapement int32 - lfOrientation int32 - lfWeight int32 - lfItalic byte - lfUnderline byte - lfStrikeOut byte - lfCharSet byte - lfOutPrecision byte - lfClipPrecision byte - lfQuality byte - lfPitchAndFamily byte - lfFaceName [LF_FACESIZE]uint16 -} - -type NONCLIENTMETRICS struct { - cbSize uint32 - iBorderWidth int32 // originally int - iScrollWidth int32 // originally int - iScrollHeight int32 // originally int - iCaptionWidth int32 // originally int - iCaptionHeight int32 // originally int - lfCaptionFont LOGFONT - iSmCaptionWidth int32 // originally int - iSmCaptionHeight int32 // originally int - lfSmCaptionFont LOGFONT - iMenuWidth int32 // originally int - iMenuHeight int32 // originally int - lfMenuFont LOGFONT - lfStatusFont LOGFONT - lfMessageFont LOGFONT -} - -var ( - systemParametersInfo = user32.NewProc("SystemParametersInfoW") - createFontIndirect = gdi32.NewProc("CreateFontIndirectW") -) - -// TODO adorn errors with which step failed? -// TODO this specific font doesn't seem like the right one but that's all I could find for what people actually use; also I need to return the other ones and check HWND types to make sure I apply the right font to the right thing... -func getStandardWindowFont() (hfont HANDLE, err error) { - var ncm NONCLIENTMETRICS - - ncm.cbSize = uint32(unsafe.Sizeof(ncm)) - r1, _, err := systemParametersInfo.Call( - uintptr(SPI_GETNONCLIENTMETRICS), - uintptr(unsafe.Sizeof(ncm)), - uintptr(unsafe.Pointer(&ncm)), - 0) - if r1 == 0 { // failure - return NULL, err - } - // TODO does this specify an error? - r1, _, err = createFontIndirect.Call(uintptr(unsafe.Pointer(&ncm.lfMessageFont))) - if r1 == 0 { // failure - return NULL, err - } - return HANDLE(r1), nil -} |