andlabs-ui/controls_windows.go

// 9 february 2014

package ui

import (
//	"syscall"
//	"unsafe"
)

// TODO for all: filter any not provided in Windows XP

// 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 messages.
const (
	// from winuser.h
	_BM_GETCHECK = 0x00F0
	_BM_SETCHECK = 0x00F1
	_BM_GETSTATE = 0x00F2
	_BM_SETSTATE = 0x00F3
	_BM_SETSTYLE = 0x00F4
	_BM_CLICK = 0x00F5
	_BM_GETIMAGE = 0x00F6
	_BM_SETIMAGE = 0x00F7
	_BM_SETDONTCLICK = 0x00F8
)

// 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
}
*/

// Combobox styles.
const (
	// from winuser.h
	_CBS_SIMPLE = 0x0001
	_CBS_DROPDOWN = 0x0002
	_CBS_DROPDOWNLIST = 0x0003
	_CBS_OWNERDRAWFIXED = 0x0010
	_CBS_OWNERDRAWVARIABLE = 0x0020
	_CBS_AUTOHSCROLL = 0x0040
	_CBS_OEMCONVERT = 0x0080
	_CBS_SORT = 0x0100
	_CBS_HASSTRINGS = 0x0200
	_CBS_NOINTEGRALHEIGHT = 0x0400
	_CBS_DISABLENOSCROLL = 0x0800
	_CBS_UPPERCASE = 0x2000
	_CBS_LOWERCASE = 0x4000
)

// Combobox messages.
const (
	// from winuser.h
	_CB_GETEDITSEL = 0x0140
	_CB_LIMITTEXT = 0x0141
	_CB_SETEDITSEL = 0x0142
	_CB_ADDSTRING = 0x0143
	_CB_DELETESTRING = 0x0144
	_CB_DIR = 0x0145
	_CB_GETCOUNT = 0x0146
	_CB_GETCURSEL = 0x0147
	_CB_GETLBTEXT = 0x0148
	_CB_GETLBTEXTLEN = 0x0149
	_CB_INSERTSTRING = 0x014A
	_CB_RESETCONTENT = 0x014B
	_CB_FINDSTRING = 0x014C
	_CB_SELECTSTRING = 0x014D
	_CB_SETCURSEL = 0x014E
	_CB_SHOWDROPDOWN = 0x014F
	_CB_GETITEMDATA = 0x0150
	_CB_SETITEMDATA = 0x0151
	_CB_GETDROPPEDCONTROLRECT = 0x0152
	_CB_SETITEMHEIGHT = 0x0153
	_CB_GETITEMHEIGHT = 0x0154
	_CB_SETEXTENDEDUI = 0x0155
	_CB_GETEXTENDEDUI = 0x0156
	_CB_GETDROPPEDSTATE = 0x0157
	_CB_FINDSTRINGEXACT = 0x0158
	_CB_SETLOCALE = 0x0159
	_CB_GETLOCALE = 0x015A
	_CB_GETTOPINDEX = 0x015B
	_CB_SETTOPINDEX = 0x015C
	_CB_GETHORIZONTALEXTENT = 0x015D
	_CB_SETHORIZONTALEXTENT = 0x015E
	_CB_GETDROPPEDWIDTH = 0x015F
	_CB_SETDROPPEDWIDTH = 0x0160
	_CB_INITSTORAGE = 0x0161
	_CB_MULTIPLEADDSTRING = 0x0163
	_CB_GETCOMBOBOXINFO = 0x0164
)

// Combobox errors.
var (		// var so they can be cast to uintptr
	// from winuser.h
	_CB_ERR = (-1)
	_CB_ERRSPACE = (-2)
	_CBN_ERRSPACE = (-1)
)

// Combobox WM_COMMAND notificaitons.
const (
	// from winuser.h
	_CBN_SELCHANGE = 1
	_CBN_DBLCLK = 2
	_CBN_SETFOCUS = 3
	_CBN_KILLFOCUS = 4
	_CBN_EDITCHANGE = 5
	_CBN_EDITUPDATE = 6
	_CBN_DROPDOWN = 7
	_CBN_CLOSEUP = 8
	_CBN_SELENDOK = 9
	_CBN_SELENDCANCEL = 10
)

// Edit control styles.
const (
	// from winuser.h
	_ES_LEFT = 0x0000
	_ES_CENTER = 0x0001
	_ES_RIGHT = 0x0002
	_ES_MULTILINE = 0x0004
	_ES_UPPERCASE = 0x0008
	_ES_LOWERCASE = 0x0010
	_ES_PASSWORD = 0x0020
	_ES_AUTOVSCROLL = 0x0040
	_ES_AUTOHSCROLL = 0x0080
	_ES_NOHIDESEL = 0x0100
	_ES_OEMCONVERT = 0x0400
	_ES_READONLY = 0x0800
	_ES_WANTRETURN = 0x1000
	_ES_NUMBER = 0x2000
)

// Edit control messages.
const (
	// from winuser.h
	_EM_GETSEL = 0x00B0
	_EM_SETSEL = 0x00B1
	_EM_GETRECT = 0x00B2
	_EM_SETRECT = 0x00B3
	_EM_SETRECTNP = 0x00B4
	_EM_SCROLL = 0x00B5
	_EM_LINESCROLL = 0x00B6
	_EM_SCROLLCARET = 0x00B7
	_EM_GETMODIFY = 0x00B8
	_EM_SETMODIFY = 0x00B9
	_EM_GETLINECOUNT = 0x00BA
	_EM_LINEINDEX = 0x00BB
	_EM_SETHANDLE = 0x00BC
	_EM_GETHANDLE = 0x00BD
	_EM_GETTHUMB = 0x00BE
	_EM_LINELENGTH = 0x00C1
	_EM_REPLACESEL = 0x00C2
	_EM_GETLINE = 0x00C4
	_EM_LIMITTEXT = 0x00C5
	_EM_CANUNDO = 0x00C6
	_EM_UNDO = 0x00C7
	_EM_FMTLINES = 0x00C8
	_EM_LINEFROMCHAR = 0x00C9
	_EM_SETTABSTOPS = 0x00CB
	_EM_SETPASSWORDCHAR = 0x00CC
	_EM_EMPTYUNDOBUFFER = 0x00CD
	_EM_GETFIRSTVISIBLELINE = 0x00CE
	_EM_SETREADONLY = 0x00CF
	_EM_SETWORDBREAKPROC = 0x00D0
	_EM_GETWORDBREAKPROC = 0x00D1
	_EM_GETPASSWORDCHAR = 0x00D2
	_EM_SETMARGINS = 0x00D3
	_EM_GETMARGINS = 0x00D4
	_EM_SETLIMITTEXT = _EM_LIMITTEXT		// [;win40 Name change]
	_EM_GETLIMITTEXT = 0x00D5
	_EM_POSFROMCHAR = 0x00D6
	_EM_CHARFROMPOS = 0x00D7
	_EM_SETIMESTATUS = 0x00D8
	_EM_GETIMESTATUS = 0x00D9
)

// Edit control WM_COMMAND notifications.
const (
	// from winuser.h
	_EN_SETFOCUS = 0x0100
	_EN_KILLFOCUS = 0x0200
	_EN_CHANGE = 0x0300
	_EN_UPDATE = 0x0400
	_EN_ERRSPACE = 0x0500
	_EN_MAXTEXT = 0x0501
	_EN_HSCROLL = 0x0601
	_EN_VSCROLL = 0x0602
	_EN_ALIGN_LTR_EC = 0x0700
	_EN_ALIGN_RTL_EC = 0x0701
	_EC_LEFTMARGIN = 0x0001
	_EC_RIGHTMARGIN = 0x0002
	_EC_USEFONTINFO = 0xFFFF
	_EMSIS_COMPOSITIONSTRING = 0x0001
	_EIMES_GETCOMPSTRATONCE = 0x0001
	_EIMES_CANCELCOMPSTRINFOCUS = 0x0002
	_EIMES_COMPLETECOMPSTRKILLFOCUS = 0x0004
)

// Listbox styles.
const (
	// from winuser.h
	_LBS_NOTIFY = 0x0001
	_LBS_SORT = 0x0002
	_LBS_NOREDRAW = 0x0004
	_LBS_MULTIPLESEL = 0x0008
	_LBS_OWNERDRAWFIXED = 0x0010
	_LBS_OWNERDRAWVARIABLE = 0x0020
	_LBS_HASSTRINGS = 0x0040
	_LBS_USETABSTOPS = 0x0080
	_LBS_NOINTEGRALHEIGHT = 0x0100
	_LBS_MULTICOLUMN = 0x0200
	_LBS_WANTKEYBOARDINPUT = 0x0400
	_LBS_EXTENDEDSEL = 0x0800
	_LBS_DISABLENOSCROLL = 0x1000
	_LBS_NODATA = 0x2000
	_LBS_NOSEL = 0x4000
	_LBS_COMBOBOX = 0x8000
	_LBS_STANDARD = (_LBS_NOTIFY | _LBS_SORT | _WS_VSCROLL | _WS_BORDER)
)

// Listbox messages.
const (
	// from winuser.h
	_LB_ADDSTRING = 0x0180
	_LB_INSERTSTRING = 0x0181
	_LB_DELETESTRING = 0x0182
	_LB_SELITEMRANGEEX = 0x0183
	_LB_RESETCONTENT = 0x0184
	_LB_SETSEL = 0x0185
	_LB_SETCURSEL = 0x0186
	_LB_GETSEL = 0x0187
	_LB_GETCURSEL = 0x0188
	_LB_GETTEXT = 0x0189
	_LB_GETTEXTLEN = 0x018A
	_LB_GETCOUNT = 0x018B
	_LB_SELECTSTRING = 0x018C
	_LB_DIR = 0x018D
	_LB_GETTOPINDEX = 0x018E
	_LB_FINDSTRING = 0x018F
	_LB_GETSELCOUNT = 0x0190
	_LB_GETSELITEMS = 0x0191
	_LB_SETTABSTOPS = 0x0192
	_LB_GETHORIZONTALEXTENT = 0x0193
	_LB_SETHORIZONTALEXTENT = 0x0194
	_LB_SETCOLUMNWIDTH = 0x0195
	_LB_ADDFILE = 0x0196
	_LB_SETTOPINDEX = 0x0197
	_LB_GETITEMRECT = 0x0198
	_LB_GETITEMDATA = 0x0199
	_LB_SETITEMDATA = 0x019A
	_LB_SELITEMRANGE = 0x019B
	_LB_SETANCHORINDEX = 0x019C
	_LB_GETANCHORINDEX = 0x019D
	_LB_SETCARETINDEX = 0x019E
	_LB_GETCARETINDEX = 0x019F
	_LB_SETITEMHEIGHT = 0x01A0
	_LB_GETITEMHEIGHT = 0x01A1
	_LB_FINDSTRINGEXACT = 0x01A2
	_LB_SETLOCALE = 0x01A5
	_LB_GETLOCALE = 0x01A6
	_LB_SETCOUNT = 0x01A7
	_LB_INITSTORAGE = 0x01A8
	_LB_ITEMFROMPOINT = 0x01A9
	_LB_MULTIPLEADDSTRING = 0x01B1
	_LB_GETLISTBOXINFO = 0x01B2
)

// Listbox errors.
var (		// var so they can be cast to uintptr
	// from winuser.h
	_LB_OKAY = 0
	_LB_ERR = (-1)
	_LB_ERRSPACE = (-2)
	_LBN_ERRSPACE = (-2)
)

// Listbox WM_COMMAND notifications and message returns.
const (
	// from winuser.h
	_LBN_SELCHANGE = 1
	_LBN_DBLCLK = 2
	_LBN_SELCANCEL = 3
	_LBN_SETFOCUS = 4
	_LBN_KILLFOCUS = 5
)

// Static control styles.
const (
	// from winuser.h
	_SS_LEFT = 0x00000000
	_SS_CENTER = 0x00000001
	_SS_RIGHT = 0x00000002
	_SS_ICON = 0x00000003
	_SS_BLACKRECT = 0x00000004
	_SS_GRAYRECT = 0x00000005
	_SS_WHITERECT = 0x00000006
	_SS_BLACKFRAME = 0x00000007
	_SS_GRAYFRAME = 0x00000008
	_SS_WHITEFRAME = 0x00000009
	_SS_USERITEM = 0x0000000A
	_SS_SIMPLE = 0x0000000B
	_SS_LEFTNOWORDWRAP = 0x0000000C
	_SS_OWNERDRAW = 0x0000000D
	_SS_BITMAP = 0x0000000E
	_SS_ENHMETAFILE = 0x0000000F
	_SS_ETCHEDHORZ = 0x00000010
	_SS_ETCHEDVERT = 0x00000011
	_SS_ETCHEDFRAME = 0x00000012
	_SS_TYPEMASK = 0x0000001F
	_SS_REALSIZECONTROL = 0x00000040
	_SS_NOPREFIX = 0x00000080
	_SS_NOTIFY = 0x00000100
	_SS_CENTERIMAGE = 0x00000200
	_SS_RIGHTJUST = 0x00000400
	_SS_REALSIZEIMAGE = 0x00000800
	_SS_SUNKEN = 0x00001000
	_SS_EDITCONTROL = 0x00002000
	_SS_ENDELLIPSIS = 0x00004000
	_SS_PATHELLIPSIS = 0x00008000
	_SS_WORDELLIPSIS = 0x0000C000
	_SS_ELLIPSISMASK = 0x0000C000
)

// Static control messages and WM_COMMAND notifications.
const (
	// from winuser.h
	_STM_SETICON = 0x0170
	_STM_GETICON = 0x0171
	_STM_SETIMAGE = 0x0172
	_STM_GETIMAGE = 0x0173
	_STN_CLICKED = 0
	_STN_DBLCLK = 1
	_STN_ENABLE = 2
	_STN_DISABLE = 3
)

// SetScrollPos/GetScrollPos scrollbar identifiers.
const (
	// from winuser.h
	_SB_HORZ = 0
	_SB_VERT = 1
	_SB_CTL = 2
	_SB_BOTH = 3
)

// Scrollbar event types.
const (
	// from winuser.h
	_SB_LINEUP = 0
	_SB_LINELEFT = 0
	_SB_LINEDOWN = 1
	_SB_LINERIGHT = 1
	_SB_PAGEUP = 2
	_SB_PAGELEFT = 2
	_SB_PAGEDOWN = 3
	_SB_PAGERIGHT = 3
	_SB_THUMBPOSITION = 4
	_SB_THUMBTRACK = 5
	_SB_TOP = 6
	_SB_LEFT = 6
	_SB_BOTTOM = 7
	_SB_RIGHT = 7
	_SB_ENDSCROLL = 8
)

// ScrollWindowEx flags.
const (
	// from winuser.h
	_SW_SCROLLCHILDREN = 0x0001
	_SW_INVALIDATE = 0x0002
	_SW_ERASE = 0x0004
)

// Scrollbar messages.
const (
	// from winuser.h
	_SBM_SETPOS = 0x00E0
	_SBM_GETPOS = 0x00E1
	_SBM_SETRANGE = 0x00E2
	_SBM_SETRANGEREDRAW = 0x00E6
	_SBM_GETRANGE = 0x00E3
	_SBM_ENABLE_ARROWS = 0x00E4
	_SBM_SETSCROLLINFO = 0x00E9
	_SBM_GETSCROLLINFO = 0x00EA
	_SBM_GETSCROLLBARINFO = 0x00EB
)

// Scrollbar notifications. (These are actually sent to the parent window.)
const (
	// from winuser.h
	_WM_HSCROLL = 0x0114
	_WM_VSCROLL = 0x0115
)

// SCROLLINFO flags.
const (
	// from winuser.h
	_SIF_RANGE = 0x0001
	_SIF_PAGE = 0x0002
	_SIF_POS = 0x0004
	_SIF_DISABLENOSCROLL = 0x0008
	_SIF_TRACKPOS = 0x0010
	_SIF_ALL = (_SIF_RANGE | _SIF_PAGE | _SIF_POS | _SIF_TRACKPOS)
)

// ScrollWindowEx return values.
const (
	// from wingdi.h
	_ERROR = 0
	_NULLREGION = 1
	_SIMPLEREGION = 2
	_COMPLEXREGION = 3
)

var (
	_getScrollInfo = user32.NewProc("GetScrollInfo")
	_setScrollInfo = user32.NewProc("SetScrollInfo")
	_scrollWindowEx = user32.NewProc("ScrollWindowEx")
)

type _SCROLLINFO struct {
	cbSize		uint32
	fMask		uint32
	nMin			int32		// originally int
	nMax		int32		// originally int
	nPage		uint32
	nPos			int32		// originally int
	nTrackPos	int32		// originally int
}