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vcmi/client/mapView/MapViewActions.cpp
2023-03-22 19:49:57 +02:00

161 lines
3.8 KiB
C++

/*
* MapViewActions.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 "MapViewActions.h"
#include "IMapRendererContext.h"
#include "MapView.h"
#include "MapViewModel.h"
#include "../CGameInfo.h"
#include "../adventureMap/CAdvMapInt.h"
#include "../gui/CGuiHandler.h"
#include "../gui/CursorHandler.h"
#include "../../lib/CConfigHandler.h"
MapViewActions::MapViewActions(MapView & owner, const std::shared_ptr<MapViewModel> & model)
: model(model)
, owner(owner)
, isSwiping(false)
{
pos.w = model->getPixelsVisibleDimensions().x;
pos.h = model->getPixelsVisibleDimensions().y;
addUsedEvents(LCLICK | RCLICK | MCLICK | HOVER | MOVE);
}
bool MapViewActions::swipeEnabled() const
{
#if defined(VCMI_ANDROID) || defined(VCMI_IOS)
return settings["general"]["swipe"].Bool();
#else
return settings["general"]["swipeDesktop"].Bool();
#endif
}
void MapViewActions::setContext(const std::shared_ptr<IMapRendererContext> & context)
{
this->context = context;
}
void MapViewActions::clickLeft(tribool down, bool previousState)
{
if(indeterminate(down))
return;
if(swipeEnabled())
{
if(handleSwipeStateChange(static_cast<bool>(down)))
{
return; // if swipe is enabled, we don't process "down" events and wait for "up" (to make sure this wasn't a swiping gesture)
}
}
else
{
if(down == false)
return;
}
int3 tile = model->getTileAtPoint(GH.getCursorPosition() - pos.topLeft());
if(context->isInMap(tile))
adventureInt->onTileLeftClicked(tile);
}
void MapViewActions::clickRight(tribool down, bool previousState)
{
if(isSwiping)
return;
int3 tile = model->getTileAtPoint(GH.getCursorPosition() - pos.topLeft());
if(down && context->isInMap(tile))
adventureInt->onTileRightClicked(tile);
}
void MapViewActions::clickMiddle(tribool down, bool previousState)
{
handleSwipeStateChange(static_cast<bool>(down));
}
void MapViewActions::mouseMoved(const Point & cursorPosition)
{
handleHover(cursorPosition);
handleSwipeMove(cursorPosition);
}
void MapViewActions::handleSwipeMove(const Point & cursorPosition)
{
// unless swipe is enabled, swipe move only works with middle mouse button
if(!swipeEnabled() && !GH.isMouseButtonPressed(MouseButton::MIDDLE))
return;
// on mobile platforms with enabled swipe any button is enough
if(swipeEnabled() && (!GH.isMouseButtonPressed() || GH.multifinger))
return;
if(!isSwiping)
{
static constexpr int touchSwipeSlop = 16;
Point distance = (cursorPosition - swipeInitialRealPos);
// try to distinguish if this touch was meant to be a swipe or just fat-fingering press
if(std::abs(distance.x) + std::abs(distance.y) > touchSwipeSlop)
isSwiping = true;
}
if(isSwiping)
{
Point swipeTargetPosition = swipeInitialViewPos + swipeInitialRealPos - cursorPosition;
owner.onMapSwiped(swipeTargetPosition);
}
}
bool MapViewActions::handleSwipeStateChange(bool btnPressed)
{
if(btnPressed)
{
swipeInitialRealPos = GH.getCursorPosition();
swipeInitialViewPos = model->getMapViewCenter();
return true;
}
if(isSwiping) // only accept this touch if it wasn't a swipe
{
owner.onMapSwipeEnded();
isSwiping = false;
return true;
}
return false;
}
void MapViewActions::handleHover(const Point & cursorPosition)
{
int3 tile = model->getTileAtPoint(cursorPosition - pos.topLeft());
if(!context->isInMap(tile))
{
CCS->curh->set(Cursor::Map::POINTER);
return;
}
adventureInt->onTileHovered(tile);
}
void MapViewActions::hover(bool on)
{
if(!on)
{
GH.statusbar->clear();
CCS->curh->set(Cursor::Map::POINTER);
}
}