mirror of
https://github.com/vcmi/vcmi.git
synced 2024-11-28 08:48:48 +02:00
147 lines
3.9 KiB
C++
147 lines
3.9 KiB
C++
/*
|
|
* RadialMenu.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 "RadialMenu.h"
|
|
|
|
#include "Images.h"
|
|
#include "TextControls.h"
|
|
|
|
#include "../eventsSDL/InputHandler.h"
|
|
#include "../gui/CGuiHandler.h"
|
|
#include "../gui/WindowHandler.h"
|
|
#include "../render/IImage.h"
|
|
#include "../CGameInfo.h"
|
|
|
|
#include "../../lib/texts/CGeneralTextHandler.h"
|
|
|
|
RadialMenuItem::RadialMenuItem(const std::string & imageName, const std::string & hoverText, const std::function<void()> & callback, bool alternativeLayout)
|
|
: callback(callback)
|
|
, hoverText(hoverText)
|
|
{
|
|
OBJECT_CONSTRUCTION;
|
|
|
|
inactiveImage = std::make_shared<CPicture>(ImagePath::builtin(alternativeLayout ? "radialMenu/itemInactiveAlt" : "radialMenu/itemInactive"), Point(0, 0));
|
|
selectedImage = std::make_shared<CPicture>(ImagePath::builtin(alternativeLayout ? "radialMenu/itemEmptyAlt" : "radialMenu/itemEmpty"), Point(0, 0));
|
|
|
|
iconImage = std::make_shared<CPicture>(ImagePath::builtin("radialMenu/" + imageName), Point(0, 0));
|
|
|
|
pos = selectedImage->pos;
|
|
selectedImage->setEnabled(false);
|
|
}
|
|
|
|
void RadialMenuItem::setSelected(bool selected)
|
|
{
|
|
selectedImage->setEnabled(selected);
|
|
inactiveImage->setEnabled(!selected);
|
|
}
|
|
|
|
RadialMenu::RadialMenu(const Point & positionToCenter, const std::vector<RadialMenuConfig> & menuConfig, bool alternativeLayout):
|
|
centerPosition(positionToCenter), alternativeLayout(alternativeLayout)
|
|
{
|
|
OBJECT_CONSTRUCTION;
|
|
pos += positionToCenter;
|
|
|
|
Point itemSize = alternativeLayout ? Point(80, 70) : Point(70, 80);
|
|
moveBy(-itemSize / 2);
|
|
pos.w = itemSize.x;
|
|
pos.h = itemSize.y;
|
|
|
|
for (auto const & item : menuConfig)
|
|
addItem(item.itemPosition, item.enabled, item.imageName, item.hoverText, item.callback);
|
|
|
|
statusBar = CGStatusBar::create(-80, -100, ImagePath::builtin("radialMenu/statusBar"));
|
|
|
|
for(const auto & item : items)
|
|
pos = pos.include(item->pos);
|
|
pos = pos.include(statusBar->pos);
|
|
|
|
fitToScreen(10);
|
|
|
|
addUsedEvents(GESTURE);
|
|
}
|
|
|
|
void RadialMenu::addItem(const Point & offset, bool enabled, const std::string & path, const std::string & hoverText, const std::function<void()>& callback )
|
|
{
|
|
if (!enabled)
|
|
return;
|
|
|
|
auto item = std::make_shared<RadialMenuItem>(path, CGI->generaltexth->translate(hoverText), callback, alternativeLayout);
|
|
|
|
item->moveBy(offset);
|
|
|
|
items.push_back(item);
|
|
}
|
|
|
|
std::shared_ptr<RadialMenuItem> RadialMenu::findNearestItem(const Point & cursorPosition) const
|
|
{
|
|
static const int requiredDistanceFromCenter = 45;
|
|
|
|
// cursor is inside centeral area -> no selection
|
|
if ((centerPosition - cursorPosition).length() < requiredDistanceFromCenter)
|
|
return nullptr;
|
|
|
|
int bestDistance = std::numeric_limits<int>::max();
|
|
std::shared_ptr<RadialMenuItem> bestItem;
|
|
|
|
for(const auto & item : items)
|
|
{
|
|
Point vector = item->pos.center() - cursorPosition;
|
|
|
|
if (vector.length() < bestDistance)
|
|
{
|
|
bestDistance = vector.length();
|
|
bestItem = item;
|
|
}
|
|
}
|
|
|
|
assert(bestItem);
|
|
return bestItem;
|
|
}
|
|
|
|
void RadialMenu::gesturePanning(const Point & initialPosition, const Point & currentPosition, const Point & lastUpdateDistance)
|
|
{
|
|
auto newSelection = findNearestItem(currentPosition);
|
|
|
|
|
|
if (newSelection != selectedItem)
|
|
{
|
|
if (selectedItem)
|
|
selectedItem->setSelected(false);
|
|
|
|
if (newSelection)
|
|
{
|
|
GH.statusbar()->write(newSelection->hoverText);
|
|
newSelection->setSelected(true);
|
|
}
|
|
else
|
|
GH.statusbar()->clear();
|
|
|
|
selectedItem = newSelection;
|
|
|
|
GH.windows().totalRedraw();
|
|
}
|
|
}
|
|
|
|
void RadialMenu::gesture(bool on, const Point & initialPosition, const Point & finalPosition)
|
|
{
|
|
if (on)
|
|
return;
|
|
|
|
auto item = findNearestItem(finalPosition);
|
|
|
|
// we need to close this window first so if action spawns a new window it won't be closed instead
|
|
GH.windows().popWindows(1);
|
|
if (item)
|
|
{
|
|
GH.input().hapticFeedback();
|
|
item->callback();
|
|
}
|
|
}
|