func genMouseEventArg(wparam, lparam uintptr) *MouseEventData {
var data MouseEventData
data.Button = int(wparam)
data.X = int(w32.LOWORD(uint(lparam)))
data.Y = int(w32.HIWORD(uint(lparam)))
return &data
}
func (this *Dialog) WndProc(msg uint, wparam, lparam uintptr) uintptr {
switch msg {
case w32.WM_INITDIALOG:
gDialogWaiting = nil
this.onLoad.Fire(NewEventArg(this, nil))
case w32.WM_COMMAND:
switch w32.LOWORD(uint32(wparam)) {
case w32.IDOK:
this.onOK.Fire(NewEventArg(this, nil))
return w32.TRUE
case w32.IDCANCEL:
this.onCancel.Fire(NewEventArg(this, nil))
return w32.TRUE
}
case w32.WM_CLOSE:
this.Close(w32.IDCANCEL)
case w32.WM_DESTROY:
if this.parent == nil {
Exit()
}
}
return w32.FALSE
}
func (app *DemoApp) WndProc(hwnd w32.HWND, msg uint, wParam, lParam uintptr) uintptr {
if hwnd != app.hwnd {
return w32.DefWindowProc(hwnd, msg, wParam, lParam)
}
switch msg {
case w32.WM_SIZE:
width := w32.LOWORD(uint(lParam))
height := w32.HIWORD(uint(lParam))
app.OnResize(width, height)
return 0
case w32.WM_DISPLAYCHANGE:
w32.InvalidateRect(app.hwnd, nil, false)
return 0
case w32.WM_PAINT:
app.OnRender()
w32.ValidateRect(app.hwnd, nil)
return 0
case w32.WM_DESTROY:
w32.PostQuitMessage(0)
return 1
}
return w32.DefWindowProc(hwnd, msg, wParam, lParam)
}
func genPoint(p uintptr) (x, y int) {
x = int(w32.LOWORD(uint32(p)))
y = int(w32.HIWORD(uint32(p)))
return
}