void UIWidget::mouse_down_func()
{
if (disabled) return;
// call this function on the children first
for (auto &child : ElementID::recast_collection<UIWidget>(get_children()))
child->mouse_down_func();
// now do the execution of the function
if (mouse_over)
{
mouse_down_on_over = true;
on_mouse_down();
focused = true;
on_focus();
}
else
{
if (focused)
{
focused = false;
on_blur();
}
}
}
bool
TopWindow::on_event(const SDL_Event &event)
{
switch (event.type) {
Window *w;
case SDL_VIDEOEXPOSE:
invalidated_lock.Lock();
invalidated = false;
invalidated_lock.Unlock();
expose();
return true;
case SDL_KEYDOWN:
w = get_focused_window();
if (w == NULL)
w = this;
return w->on_key_down(event.key.keysym.sym);
case SDL_KEYUP:
w = get_focused_window();
if (w == NULL)
w = this;
return w->on_key_up(event.key.keysym.sym);
case SDL_MOUSEMOTION:
// XXX keys
return on_mouse_move(event.motion.x, event.motion.y, 0);
case SDL_MOUSEBUTTONDOWN:
if (event.button.button == SDL_BUTTON_WHEELUP)
return on_mouse_wheel(event.button.x, event.button.y, 1);
else if (event.button.button == SDL_BUTTON_WHEELDOWN)
return on_mouse_wheel(event.button.x, event.button.y, -1);
static PeriodClock double_click;
return double_click.check_always_update(300)
? on_mouse_down(event.button.x, event.button.y)
: on_mouse_double(event.button.x, event.button.y);
case SDL_MOUSEBUTTONUP:
if (event.button.button == SDL_BUTTON_WHEELUP ||
event.button.button == SDL_BUTTON_WHEELDOWN)
/* the wheel has already been handled in SDL_MOUSEBUTTONDOWN */
return false;
return on_mouse_up(event.button.x, event.button.y);
case SDL_QUIT:
return on_close();
}
return false;
}
bool
TopWindow::on_event(const SDL_Event &event)
{
switch (event.type) {
case SDL_MOUSEMOTION:
// XXX keys
return on_mouse_move(event.motion.x, event.motion.y, 0);
case SDL_MOUSEBUTTONDOWN:
return on_mouse_down(event.button.x, event.button.y);
case SDL_MOUSEBUTTONUP:
return on_mouse_up(event.button.x, event.button.y);
}
return false;
}
LRESULT
Window::on_message(HWND _hWnd, UINT message,
WPARAM wParam, LPARAM lParam)
{
if (IsEmbedded() && !IsAltair()) {
/* some older iPaqs such as the H3900 send only WM_KEYUP for
VK_APP*, but never VK_KEYDOWN; the hx4700 has an additional set
of undocumented key codes (0xca..0xcd) for the APP keys, but
sends WM_KEYUP/VK_APP* additionally; the following rules
hopefully catch all of these obscurities */
if (message == WM_KEYUP && wParam >= 0x80)
/* convert to WM_KEYDOWN to make all handlers catch it */
message = WM_KEYDOWN;
else if (message == WM_KEYDOWN && wParam >= 0x80)
/* ignore the real WM_KEYDOWN, just in case it really happens */
return 0;
}
switch (message) {
case WM_CREATE:
on_create();
return 0;
case WM_DESTROY:
on_destroy();
return 0;
case WM_CLOSE:
if (on_close())
/* true returned: message was handled */
return 0;
break;
case WM_SIZE:
on_resize(LOWORD(lParam), HIWORD(lParam));
return 0;
case WM_MOUSEMOVE:
if (on_mouse_move(GET_X_LPARAM(lParam), GET_Y_LPARAM(lParam), wParam))
return 0;
break;
case WM_LBUTTONDOWN:
if (on_mouse_down(GET_X_LPARAM(lParam), GET_Y_LPARAM(lParam))) {
/* true returned: message was handled */
ResetDisplayTimeOut();
return 0;
}
break;
case WM_LBUTTONUP:
if (on_mouse_up(GET_X_LPARAM(lParam), GET_Y_LPARAM(lParam))) {
/* true returned: message was handled */
ResetDisplayTimeOut();
return 0;
}
break;
case WM_LBUTTONDBLCLK:
if (!double_clicks)
/* instead of disabling CS_DBLCLKS (which would affect all
instances of a window class), we just translate
WM_LBUTTONDBLCLK to WM_LBUTTONDOWN here; this even works for
built-in window class such as BUTTON */
return on_message(_hWnd, WM_LBUTTONDOWN, wParam, lParam);
if (on_mouse_double(GET_X_LPARAM(lParam), GET_Y_LPARAM(lParam))) {
/* true returned: message was handled */
ResetDisplayTimeOut();
return 0;
}
break;
#ifdef WM_MOUSEWHEEL
case WM_MOUSEWHEEL:
if (on_mouse_wheel(GET_X_LPARAM(lParam), GET_Y_LPARAM(lParam),
GET_WHEEL_DELTA_WPARAM(wParam))) {
/* true returned: message was handled */
ResetDisplayTimeOut();
return 0;
}
break;
#endif
case WM_KEYDOWN:
if (on_key_down(::TranscodeKey(wParam))) {
/* true returned: message was handled */
ResetDisplayTimeOut();
return 0;
}
break;
case WM_KEYUP:
if (on_key_up(::TranscodeKey(wParam))) {
/* true returned: message was handled */
ResetDisplayTimeOut();
return 0;
}
break;
case WM_COMMAND:
if (on_command(LOWORD(wParam), HIWORD(wParam))) {
/* true returned: message was handled */
ResetDisplayTimeOut();
return 0;
}
break;
case WM_CANCELMODE:
if (on_cancel_mode())
return 0;
break;
case WM_SETFOCUS:
on_setfocus();
return 0;
case WM_KILLFOCUS:
on_killfocus();
return 0;
case WM_TIMER:
if (on_timer(*(WindowTimer *)wParam))
return 0;
break;
case WM_PAINT:
if (custom_painting) {
PaintCanvas canvas(*this);
on_paint(canvas, canvas.get_dirty());
return 0;
}
break;
case WM_GETDLGCODE:
if (on_key_check(wParam))
return DLGC_WANTMESSAGE;
break;
}
if (message >= WM_USER && message <= 0x7FFF && on_user(message - WM_USER))
return 0;
return on_unhandled_message(_hWnd, message, wParam, lParam);
}
LRESULT
Window::on_message(HWND _hWnd, UINT message,
WPARAM wParam, LPARAM lParam)
{
switch (message) {
case WM_CREATE:
return on_create() ? 0 : -1;
break;
case WM_DESTROY:
if (on_destroy()) return 0;
break;
case WM_CLOSE:
if (on_close())
/* true returned: message was handled */
return 0;
break;
case WM_SIZE:
if (on_resize(LOWORD(lParam), HIWORD(lParam))) return 0;
break;
case WM_MOUSEMOVE:
if (on_mouse_move(GET_X_LPARAM(lParam), GET_Y_LPARAM(lParam), wParam))
return 0;
break;
case WM_LBUTTONDOWN:
XCSoarInterface::InterfaceTimeoutReset();
if (on_mouse_down(GET_X_LPARAM(lParam), GET_Y_LPARAM(lParam))) {
/* true returned: message was handled */
ResetDisplayTimeOut();
return 0;
}
break;
case WM_LBUTTONUP:
XCSoarInterface::InterfaceTimeoutReset();
if (on_mouse_up(GET_X_LPARAM(lParam), GET_Y_LPARAM(lParam))) {
/* true returned: message was handled */
ResetDisplayTimeOut();
return 0;
}
break;
case WM_LBUTTONDBLCLK:
XCSoarInterface::InterfaceTimeoutReset();
if (on_mouse_double(GET_X_LPARAM(lParam), GET_Y_LPARAM(lParam))) {
/* true returned: message was handled */
ResetDisplayTimeOut();
return 0;
}
break;
#ifdef WM_MOUSEWHEEL
case WM_MOUSEWHEEL:
XCSoarInterface::InterfaceTimeoutReset();
if (on_mouse_wheel(GET_WHEEL_DELTA_WPARAM(wParam))) {
/* true returned: message was handled */
ResetDisplayTimeOut();
return 0;
}
break;
#endif
case WM_KEYDOWN:
XCSoarInterface::InterfaceTimeoutReset();
if (on_key_down(wParam)) {
/* true returned: message was handled */
ResetDisplayTimeOut();
return 0;
}
break;
case WM_KEYUP:
XCSoarInterface::InterfaceTimeoutReset();
if (on_key_up(wParam)) {
/* true returned: message was handled */
ResetDisplayTimeOut();
return 0;
}
break;
case WM_COMMAND:
XCSoarInterface::InterfaceTimeoutReset();
if (on_command(LOWORD(wParam), HIWORD(wParam))) {
/* true returned: message was handled */
ResetDisplayTimeOut();
return 0;
}
break;
case WM_SETFOCUS:
if (on_setfocus())
return 0;
break;
case WM_KILLFOCUS:
if (on_killfocus())
return 0;
break;
case WM_TIMER:
if (on_timer(wParam))
return 0;
break;
}
if (message >= WM_USER && message <= 0x7FFF && on_user(message - WM_USER))
return 0;
return on_unhandled_message(_hWnd, message, wParam, lParam);
}