diff options
| -rw-r--r-- | buttons.go | 106 |
1 files changed, 106 insertions, 0 deletions
diff --git a/buttons.go b/buttons.go new file mode 100644 index 0000000..b6a4f03 --- /dev/null +++ b/buttons.go @@ -0,0 +1,106 @@ +// 9 february 2014 +package main + +import ( +// "syscall" +// "unsafe" +) + +// Button styles. +const ( + // from winuser.h + BS_PUSHBUTTON = 0x00000000 + BS_DEFPUSHBUTTON = 0x00000001 + BS_CHECKBOX = 0x00000002 + BS_AUTOCHECKBOX = 0x00000003 + BS_RADIOBUTTON = 0x00000004 + BS_3STATE = 0x00000005 + BS_AUTO3STATE = 0x00000006 + BS_GROUPBOX = 0x00000007 + BS_USERBUTTON = 0x00000008 + BS_AUTORADIOBUTTON = 0x00000009 + BS_PUSHBOX = 0x0000000A + BS_OWNERDRAW = 0x0000000B + BS_TYPEMASK = 0x0000000F + BS_LEFTTEXT = 0x00000020 + BS_TEXT = 0x00000000 + BS_ICON = 0x00000040 + BS_BITMAP = 0x00000080 + BS_LEFT = 0x00000100 + BS_RIGHT = 0x00000200 + BS_CENTER = 0x00000300 + BS_TOP = 0x00000400 + BS_BOTTOM = 0x00000800 + BS_VCENTER = 0x00000C00 + BS_PUSHLIKE = 0x00001000 + BS_MULTILINE = 0x00002000 + BS_NOTIFY = 0x00004000 + BS_FLAT = 0x00008000 + BS_RIGHTBUTTON = BS_LEFTTEXT + // from commctrl.h +// BS_SPLITBUTTON = 0x0000000C // Windows Vista and newer and(/or?) comctl6 only +// BS_DEFSPLITBUTTON = 0x0000000D // Windows Vista and newer and(/or?) comctl6 only +// BS_COMMANDLINK = 0x0000000E // Windows Vista and newer and(/or?) comctl6 only +// BS_DEFCOMMANDLINK = 0x0000000F // Windows Vista and newer and(/or?) comctl6 only +) + +// Button WM_COMMAND notifications. +const ( + // from winuser.h + BN_CLICKED = 0 + BN_PAINT = 1 + BN_HILITE = 2 + BN_UNHILITE = 3 + BN_DISABLE = 4 + BN_DOUBLECLICKED = 5 + BN_PUSHED = BN_HILITE + BN_UNPUSHED = BN_UNHILITE + BN_DBLCLK = BN_DOUBLECLICKED + BN_SETFOCUS = 6 + BN_KILLFOCUS = 7 +) + +// Button check states. +const ( + // from winuser.h + BST_UNCHECKED = 0x0000 + BST_CHECKED = 0x0001 + BST_INDETERMINATE = 0x0002 +) + +var ( + checkDlgButton = user32.NewProc("CheckDlgButton") + checkRadioButton = user32.NewProc("CheckRadioButton") + isDlgButtonChecked = user32.NewProc("IsDlgButtonChecked") +) + +func CheckDlgButton(hDlg HWND, nIDButton int, uCheck uint32) (err error) { + r1, _, err := checkDlgButton.Call( + uintptr(hDlg), + uintptr(nIDButton), + uintptr(uCheck)) + if r1 == 0 { // failure + return err + } + return nil +} + +func CheckRadioButton(hDlg HWND, nIDFirstButton int, nIDLastButton int, nIDCheckButton int) (err error) { + r1, _, err := checkRadioButton.Call( + uintptr(hDlg), + uintptr(nIDFirstButton), + uintptr(nIDLastButton), + uintptr(nIDCheckButton)) + if r1 == 0 { // failure + return err + } + return nil +} + +// TODO handle errors +func IsDlgButtonChecked(hDlg HWND, nIDButton int) (state uint32, err error) { + r1, _, _ := isDlgButtonChecked.Call( + uintptr(hDlg), + uintptr(nIDButton)) + return uint32(r1), nil +} |