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vcmi/client/gui/EventsReceiver.cpp

71 lines
1.5 KiB
C++

/*
* EventsReceiver.cpp, part of VCMI engine
*
* Authors: listed in file AUTHORS in main folder
*
* License: GNU General Public License v2.0 or later
* Full text of license available in license.txt file, in main folder
*
*/
#include "StdInc.h"
#include "EventsReceiver.h"
#include "MouseButton.h"
#include "CGuiHandler.h"
#include "EventDispatcher.h"
AEventsReceiver::AEventsReceiver()
: activeState(0)
, hoveredState(false)
, panningState(false)
, mouseClickedState(false)
{
}
bool AEventsReceiver::isHovered() const
{
return hoveredState;
}
bool AEventsReceiver::isGesturing() const
{
return panningState;
}
bool AEventsReceiver::isActive() const
{
return activeState;
}
void AEventsReceiver::activateEvents(ui16 what)
{
assert((what & GENERAL) || (activeState & GENERAL));
activeState |= GENERAL;
GH.events().activateElement(this, what);
}
void AEventsReceiver::deactivateEvents(ui16 what)
{
if (what & GENERAL)
{
assert((what & activeState) == activeState);
activeState &= ~GENERAL;
// sanity check to avoid unexpected behavior if assertion above fails (e.g. in release)
// if element is deactivated (has GENERAL flag) then all existing active events should also be deactivated
what = activeState;
}
GH.events().deactivateElement(this, what & activeState);
if (!(activeState & GESTURE) && panningState)
panningState = false;
if (!(activeState & LCLICK) && mouseClickedState)
mouseClickedState = false;
// FIXME: might lead to regressions, recheck before enabling
// if (!(activeState & HOVER))
// hoveredState = false;
}