bool
ContainerWindow::FocusNextControl()
{
Window *focused = GetFocusedWindow();
if (focused != NULL) {
Window *control = FindNextControl(focused);
if (control != NULL) {
control->SetFocus();
return true;
} else
return FocusFirstControl();
} else
return FocusFirstControl();
}
int
WndForm::ShowModal()
{
assert_none_locked();
#define OPENCLOSESUPPRESSTIME 500
#ifndef USE_GDI
ContainerWindow *root = GetRootOwner();
WindowReference old_focus_reference = root->GetFocusedWindowReference();
#else
HWND oldFocusHwnd;
#endif /* USE_GDI */
PeriodClock enter_clock;
if (IsEmbedded() && !IsAltair())
enter_clock.Update();
show_on_top();
modal_result = 0;
#ifdef USE_GDI
oldFocusHwnd = ::GetFocus();
if (oldFocusHwnd != NULL)
::SendMessage(oldFocusHwnd, WM_CANCELMODE, 0, 0);
#endif /* USE_GDI */
set_focus();
if (default_focus)
default_focus->set_focus();
else
FocusFirstControl();
bool hastimed = false;
WndForm::time_any_open_close.Update(); // when current dlg opens or child closes
main_window.AddDialog(this);
#ifndef USE_GDI
main_window.refresh();
#endif
#ifdef ANDROID
EventLoop loop(*event_queue, main_window);
Event event;
#elif defined(ENABLE_SDL)
EventLoop loop(main_window);
SDL_Event event;
#else
DialogEventLoop loop(*this);
MSG event;
#endif
while ((modal_result == 0 || force) && loop.Get(event)) {
#if defined(ENABLE_SDL) && !defined(ANDROID)
if (event.type == SDL_QUIT) {
modal_result = mrCancel;
continue;
}
#endif
if (!main_window.FilterEvent(event, this)) {
if (modeless && is_mouse_down(event))
break;
else
continue;
}
// hack to stop exiting immediately
if (IsEmbedded() && !IsAltair() && !hastimed &&
IsUserInput(event)) {
if (!enter_clock.Check(200))
/* ignore user input in the first 200ms */
continue;
else
hastimed = true;
}
if (IsEmbedded() && is_mouse_up(event) &&
!time_any_open_close.Check(OPENCLOSESUPPRESSTIME))
/* prevents child click from being repeat-handled by parent if
buttons overlap */
continue;
if (key_down_notify_callback != NULL && is_key_down(event) &&
#ifdef USE_GDI
identify_descendant(event.hwnd) &&
#endif
!check_special_key(this, event) &&
key_down_notify_callback(*this, get_key_code(event)))
continue;
#if defined(ENABLE_SDL) && !defined(ANDROID)
if (event.type == SDL_KEYDOWN && event.key.keysym.sym == SDLK_TAB) {
/* the Tab key moves the keyboard focus */
const Uint8 *keystate = ::SDL_GetKeyState(NULL);
event.key.keysym.sym = keystate[SDLK_LSHIFT] || keystate[SDLK_RSHIFT]
? SDLK_UP : SDLK_DOWN;
}
#endif
if (is_key_down(event) &&
#ifdef USE_GDI
identify_descendant(event.hwnd) &&
#endif
(get_key_code(event) == VK_UP || get_key_code(event) == VK_DOWN)) {
/* VK_UP and VK_DOWN move the focus only within the current
control group - but we want it to behave like Shift-Tab and
Tab */
if (!check_key(this, event)) {
/* this window doesn't handle VK_UP/VK_DOWN */
if (get_key_code(event) == VK_DOWN)
FocusNextControl();
else
FocusPreviousControl();
continue;
}
}
#ifndef USE_GDI
if (is_key_down(event) && get_key_code(event) == VK_ESCAPE) {
modal_result = mrCancel;
continue;
}
#endif
/* map VK_ESCAPE to mrOK on Altair, because the Escape key is expected to
be the one that saves and closes a dialog */
if (IsAltair() && is_key_down(event) && get_key_code(event) == VK_ESCAPE) {
modal_result = mrOK;
continue;
}
loop.Dispatch(event);
} // End Modal Loop
main_window.RemoveDialog(this);
// static. this is current open/close or child open/close
WndForm::time_any_open_close.Update();
#ifdef USE_GDI
SetFocus(oldFocusHwnd);
#else
if (old_focus_reference.Defined()) {
Window *old_focus = old_focus_reference.Get(*root);
if (old_focus != NULL)
old_focus->set_focus();
}
#endif /* !USE_GDI */
return modal_result;
}
int
WndForm::ShowModal()
{
AssertNoneLocked();
#define OPENCLOSESUPPRESSTIME 500
#ifndef USE_GDI
ContainerWindow *root = GetRootOwner();
WindowReference old_focus_reference = root->GetFocusedWindowReference();
#else
HWND oldFocusHwnd;
#endif /* USE_GDI */
PeriodClock enter_clock;
if (IsEmbedded() && !IsAltair())
enter_clock.Update();
ShowOnTop();
modal_result = 0;
SingleWindow &main_window = GetMainWindow();
main_window.CancelMode();
#ifdef USE_GDI
oldFocusHwnd = ::GetFocus();
#endif /* USE_GDI */
SetFocus();
if (default_focus)
default_focus->SetFocus();
else
FocusFirstControl();
bool hastimed = false;
main_window.AddDialog(this);
#ifndef USE_GDI
main_window.Refresh();
#endif
#if defined(ANDROID) || defined(USE_EGL)
EventLoop loop(*event_queue, main_window);
#elif defined(ENABLE_SDL)
EventLoop loop(main_window);
#else
DialogEventLoop loop(*this);
#endif
Event event;
while ((modal_result == 0 || force) && loop.Get(event)) {
if (!main_window.FilterEvent(event, this)) {
if (modeless && event.IsMouseDown())
break;
else
continue;
}
// hack to stop exiting immediately
if (IsEmbedded() && !IsAltair() && !hastimed &&
event.IsUserInput()) {
if (!enter_clock.Check(200))
/* ignore user input in the first 200ms */
continue;
else
hastimed = true;
}
if (event.IsKeyDown()) {
if (key_down_function &&
#ifdef USE_GDI
IdentifyDescendant(event.msg.hwnd) &&
#endif
!CheckSpecialKey(this, event) &&
key_down_function(event.GetKeyCode()))
continue;
#ifdef ENABLE_SDL
if (event.GetKeyCode() == SDLK_TAB) {
/* the Tab key moves the keyboard focus */
const Uint8 *keystate = ::SDL_GetKeyState(NULL);
event.event.key.keysym.sym =
keystate[SDLK_LSHIFT] || keystate[SDLK_RSHIFT]
? SDLK_UP : SDLK_DOWN;
}
#endif
if (
#ifdef USE_GDI
IdentifyDescendant(event.msg.hwnd) &&
#endif
(event.GetKeyCode() == KEY_UP || event.GetKeyCode() == KEY_DOWN)) {
/* KEY_UP and KEY_DOWN move the focus only within the current
control group - but we want it to behave like Shift-Tab and
Tab */
if (!CheckKey(this, event)) {
/* this window doesn't handle KEY_UP/KEY_DOWN */
if (event.GetKeyCode() == KEY_DOWN)
FocusNextControl();
else
FocusPreviousControl();
continue;
}
}
#if !defined USE_GDI || defined _WIN32_WCE
/* The Windows CE dialog manager does not handle KEY_ESCAPE and
so we have to do it by ourself */
if (event.GetKeyCode() == KEY_ESCAPE) {
if (IsAltair())
/* map VK_ESCAPE to mrOK on Altair, because the Escape key is
expected to be the one that saves and closes a dialog */
modal_result = mrOK;
else
modal_result = mrCancel;
continue;
}
#endif
}
if (event.IsCharacter() && character_function &&
character_function(event.GetCharacter()))
continue;
loop.Dispatch(event);
} // End Modal Loop
main_window.RemoveDialog(this);
#ifdef USE_GDI
::SetFocus(oldFocusHwnd);
#else
if (old_focus_reference.Defined()) {
Window *old_focus = old_focus_reference.Get(*root);
if (old_focus != NULL)
old_focus->SetFocus();
}
#endif /* !USE_GDI */
return modal_result;
}
