//-- Probe focus for each widget, till some get it (forward scan)
void FormWidget::CycleFocus( int mode )
{
if (!!_cycler && !_dont_cycle )
{
if ( mode==NEXT || mode==PREVIOUS )
{
Widget *begin = _cycler->Who();
bool accepted = false;
int loops=2;//W/A @todo
int dbg_iterations = 0;
int dbg_n_visible = 0;
do {
switch (mode)
{
case NEXT: loops -= !_cycler->CycleForward(); break;
case PREVIOUS: loops -= !_cycler->CycleBack(); break;
}
if ( !loops ) { break; }
if ( !_cycler->Who() ) { loops=0; break; }// Break if cycler is not valid
if ( _cycler->Who()->IsRealyVisible() ) // Widget must be visible
{
Widget *next = _cycler->Who();
if ( &next->GetEnvironment()->GetForm() == this )
accepted = next->Accept( InputFocus() );
++dbg_n_visible;
}
++dbg_iterations;
} while ( !accepted && begin!=_cycler->Who() && loops>0 );
if ( accepted )
{
C_assert( _actual_focus == _cycler->Who());
}
else
{
if (!loops) { CycleParentForm( mode ); }
else
{
assert( begin==_cycler->Who() );
if ( begin->IsRealyVisible() && begin!=this )
{
accepted = begin->Accept( InputFocus() );
}
else
{
FocusRelease();
}
}
}
}// end if (mode==NEXT || mode==PREVIOUS)
}
}
void ActiveWidget::Init()
{
_handlers = new MethodPool<ActiveWidget, const Widget::Request >;
_handlers->Add( &ActiveWidget::AcceptInputCursor, InputCursor() );
_handlers->Add( &ActiveWidget::AcceptInputButton, InputButton() );
_handlers->Add( &ActiveWidget::AcceptDoubleClick, DoubleClick() );
_handlers->Add( &ActiveWidget::AcceptInputWheel , InputWheel() );
_handlers->Add( &ActiveWidget::AcceptInputReset , InputReset() );
_handlers->Add( &ActiveWidget::AcceptInputKeyboard , InputKeyboard());
_handlers->Add( &ActiveWidget::AcceptInputChar , InputChar() );
_handlers->Add( &ActiveWidget::AcceptInputFocus, InputFocus() );
_handlers->Add( &ActiveWidget::AcceptInputAccel, InputAccel() );
}
//-- Assign focus to any widget
//-- This action is being taken when this Form gains focus
void FormWidget::AssignFocus()
{
assert( _form_enabled );
if ( _actual_focus && !_actual_focus->IsRealyVisible())
{
InvalidateFocus(_actual_focus);
}
if ( !_actual_focus && !_dont_cycle )
{
if ( !_cycler || !_stored_focus )
{
if ( !_default_focus || !_default_focus->Accept(InputFocus()) )
{
_cycler = new WidgetCycler(this);
CycleFocus( NEXT );
}
else
{
C_assert( _default_focus == _cycler->Who() );
}
}
else if ( _stored_focus ) // check if stored ptr is valid
{
_cycler = new WidgetCycler(this);
do if ( _cycler->Who()==_stored_focus )
{
SetFocussed(_stored_focus);
break;
}
while ( _cycler->CycleForward());
_stored_focus=NULL;
}
}
}
void Events::onEvent(SDL_Event * Event) {
switch (Event->type) {
case SDL_ACTIVEEVENT:
{
switch (Event->active.state) {
case SDL_APPMOUSEFOCUS:
{
if (Event->active.gain) MouseFocus();
else MouseBlur();
break;
}
case SDL_APPINPUTFOCUS:
{
if (Event->active.gain) InputFocus();
else InputBlur();
break;
}
case SDL_APPACTIVE:
{
if (Event->active.gain) Restore();
else Minimaze();
break;
}
default: break;
}
}
case SDL_KEYDOWN:
{
KeyPressed(Event->key.keysym.sym, Event->key.keysym.mod, Event->key.keysym.unicode);
break;
}
case SDL_KEYUP:
{
KeyReleased(Event->key.keysym.sym, Event->key.keysym.mod, Event->key.keysym.unicode);
break;
}
case SDL_MOUSEMOTION:
{
MouseMove(Event->motion.x, Event->motion.y, Event->motion.xrel, Event->motion.yrel, Event->motion.state & SDL_BUTTON(SDL_BUTTON_LEFT), Event->motion.state & SDL_BUTTON(SDL_BUTTON_MIDDLE), Event->motion.state & SDL_BUTTON(SDL_BUTTON_RIGHT));
break;
}
case SDL_MOUSEBUTTONDOWN:
{
switch (Event->button.button) {
case SDL_BUTTON_LEFT:
{
LMBPressed(Event->button.x, Event->button.y);
break;
}
case SDL_BUTTON_MIDDLE:
{
MMBPressed(Event->button.x, Event->button.y);
break;
}
case SDL_BUTTON_RIGHT:
{
RMBPressed(Event->button.x, Event->button.y);
break;
}
default: break;
}
}
case SDL_MOUSEBUTTONUP:
{
switch (Event->button.button) {
case SDL_BUTTON_LEFT:
{
LMBReleased(Event->button.x, Event->button.y);
break;
}
case SDL_BUTTON_MIDDLE:
{
MMBReleased(Event->button.x, Event->button.y);
break;
}
case SDL_BUTTON_RIGHT:
{
RMBReleased(Event->button.x, Event->button.y);
break;
}
default: break;
}
}
case SDL_JOYAXISMOTION:
{
break;
}
case SDL_JOYBALLMOTION:
{
break;
}
case SDL_JOYHATMOTION:
{
break;
}
case SDL_JOYBUTTONDOWN:
{
break;
}
case SDL_JOYBUTTONUP:
{
break;
}
case SDL_QUIT:
{
QuitEv();
break;
}
case SDL_SYSWMEVENT:
{
SystemWM();
break;
}
case SDL_VIDEORESIZE:
{
ResizeEv(Event->resize.w, Event->resize.h);
break;
}
case SDL_VIDEOEXPOSE:
{
ExposeEv();
break;
}
default:
{
UserEv(Event->user.code, Event->user.data1, Event->user.data2);
break;
}
}
}
// The window has received focus.
void GraphicsWindow::OnInputFocus( Ill::Core::EventArgs& e )
{
InputFocus( e );
}