// an up-down control will only properly position itself the first time
// stupidly, there are no messages to force a size calculation, nor can I seem to reset the buddy window to force a new position
// alas, we have to make a new up/down control each time :(
// TODO we'll need to store a copy of the current position and range for this
func (s *spinbox) remakeUpDown() {
// destroying the previous one, setting the parent properly, and subclassing are handled here
s.hwndUpDown = C.newUpDown(s.hwndUpDown, unsafe.Pointer(s))
// for this to work, hwndUpDown needs to have rect [0 0 0 0]
C.moveWindow(s.hwndUpDown, 0, 0, 0, 0)
C.SendMessageW(s.hwndUpDown, C.UDM_SETBUDDY, C.WPARAM(uintptr(unsafe.Pointer(s.hwndEdit))), 0)
C.SendMessageW(s.hwndUpDown, C.UDM_SETRANGE32, C.WPARAM(s.min), C.LPARAM(s.max))
C.SendMessageW(s.hwndUpDown, C.UDM_SETPOS32, 0, C.LPARAM(s.value))
if s.updownVisible {
C.ShowWindow(s.hwndUpDown, C.SW_SHOW)
}
}
func finishNewTable(b *tablebase, ty reflect.Type) Table {
hwnd := C.newControl(C.xtableWindowClass,
C.WS_HSCROLL|C.WS_VSCROLL|C.WS_TABSTOP,
C.WS_EX_CLIENTEDGE) // WS_EX_CLIENTEDGE without WS_BORDER will show the canonical visual styles border (thanks to MindChild in irc.efnet.net/#winprog)
t := &table{
controlSingleHWND: newControlSingleHWND(hwnd),
tablebase: b,
selected: newEvent(),
free: make(map[C.uintptr_t]bool),
}
t.fpreferredSize = t.xpreferredSize
t.chainresize = t.fresize
t.fresize = t.xresize
C.setTableSubclass(t.hwnd, unsafe.Pointer(t))
// TODO listview didn't need this; someone mentioned (TODO) it uses the small caption font???
C.controlSetControlFont(t.hwnd)
for i := 0; i < ty.NumField(); i++ {
coltype := C.WPARAM(C.tableColumnText)
switch {
case ty.Field(i).Type == reflect.TypeOf((*image.RGBA)(nil)):
coltype = C.tableColumnImage
case ty.Field(i).Type.Kind() == reflect.Bool:
coltype = C.tableColumnCheckbox
}
colname := ty.Field(i).Tag.Get("uicolumn")
if colname == "" {
colname = ty.Field(i).Name
}
ccolname := toUTF16(colname)
C.SendMessageW(t.hwnd, C.tableAddColumn, coltype, C.LPARAM(uintptr(unsafe.Pointer(ccolname))))
// TODO free ccolname
}
t.colcount = C.int(ty.NumField())
return t
}
func (p *progressbar) SetPercent(percent int) {
if percent < 0 || percent > 100 {
panic(fmt.Errorf("given ProgressBar percentage %d out of range", percent))
}
// TODO circumvent aero
C.SendMessageW(p.hwnd, C.PBM_SETPOS, C.WPARAM(percent), 0)
}
func getWindowText(hwnd C.HWND) string {
// WM_GETTEXTLENGTH and WM_GETTEXT return the count /without/ the terminating null character
// but WM_GETTEXT expects the buffer size handed to it to /include/ the terminating null character
n := C.getWindowTextLen(hwnd)
buf := make([]uint16, int(n+1))
C.getWindowText(hwnd, C.WPARAM(n),
C.LPWSTR(unsafe.Pointer(&buf[0])))
return syscall.UTF16ToString(buf)
}
func ProcND(hwnd win.HWND, msg uint, wParam uintptr, lParam uintptr) (ret int, handled bool) {
var bHandled C.BOOL
// ret = uintptr(syssciterProcND(HWND(hwnd), msg, wParam, lParam, &bHandled))
ret = int(C.SciterProcND(C.HWINDOW(unsafe.Pointer(hwnd)), C.UINT(msg), C.WPARAM(wParam), C.LPARAM(lParam), &bHandled))
if bHandled == 0 {
handled = false
} else {
handled = true
}
return
}
func (a *area) Repaint(r image.Rectangle) {
var hscroll, vscroll C.int
var rect C.RECT
C.SendMessageW(a.hwnd, C.msgAreaGetScroll, C.WPARAM(uintptr(unsafe.Pointer(&hscroll))), C.LPARAM(uintptr(unsafe.Pointer(&vscroll))))
r = r.Add(image.Pt(int(hscroll), int(vscroll))) // adjust by scroll position
r = image.Rect(0, 0, a.width, a.height).Intersect(r)
if r.Empty() {
return
}
rect.left = C.LONG(r.Min.X)
rect.top = C.LONG(r.Min.Y)
rect.right = C.LONG(r.Max.X)
rect.bottom = C.LONG(r.Max.Y)
C.SendMessageW(a.hwnd, C.msgAreaRepaint, 0, C.LPARAM(uintptr(unsafe.Pointer(&rect))))
}
// Main htmlayout wndproc
func ProcNoDefault(hwnd, msg uint32, wparam, lparam uintptr) (uintptr, bool) {
var handled C.BOOL = 0
var result C.LRESULT = C.HTMLayoutProcND(C.HWND(C.HANDLE(uintptr(hwnd))), C.UINT(msg),
C.WPARAM(wparam), C.LPARAM(lparam), &handled)
return uintptr(result), handled != 0
}