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101 lines
2.4 KiB
C++
101 lines
2.4 KiB
C++
/*
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* RadialMenu.cpp, part of VCMI engine
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*
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* Authors: listed in file AUTHORS in main folder
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*
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* License: GNU General Public License v2.0 or later
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* Full text of license available in license.txt file, in main folder
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*
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*/
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#include "StdInc.h"
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#include "RadialMenu.h"
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#include "Images.h"
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#include "TextControls.h"
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#include "../gui/CGuiHandler.h"
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#include "../gui/WindowHandler.h"
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#include "../render/IImage.h"
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RadialMenuItem::RadialMenuItem(const std::string & imageName, const std::string & hoverText, const std::function<void()> & callback)
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: callback(callback)
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, hoverText(hoverText)
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{
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OBJ_CONSTRUCTION_CAPTURING_ALL_NO_DISPOSE;
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image = IImage::createFromFile("radialMenu/" + imageName, EImageBlitMode::COLORKEY);
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picture = std::make_shared<CPicture>(image, Point(0, 0));
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pos = picture->pos;
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}
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bool RadialMenuItem::isInside(const Point & position)
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{
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Point localPosition = position - pos.topLeft();
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return !image->isTransparent(localPosition);
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}
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RadialMenu::RadialMenu(const Point & positionToCenter, const std::vector<RadialMenuConfig> & menuConfig)
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{
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OBJ_CONSTRUCTION_CAPTURING_ALL_NO_DISPOSE;
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pos += positionToCenter;
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addItem(Point(0,0), "itemEmpty", "", [](){});
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Point itemSize = items.back()->pos.dimensions();
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moveBy(-itemSize / 2);
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for (auto const & item : menuConfig)
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addItem(item.itemPosition, item.imageName, item.hoverText, item.callback);
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statusBar = CGStatusBar::create(-80, -100, "radialMenu/statusBar");
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for(const auto & item : items)
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pos = pos.include(item->pos);
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fitToScreen(10);
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addUsedEvents(GESTURE);
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}
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void RadialMenu::addItem(const Point & offset, const std::string & path, const std::string & hoverText, const std::function<void()>& callback )
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{
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auto item = std::make_shared<RadialMenuItem>(path, hoverText, callback);
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item->moveBy(offset);
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items.push_back(item);
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}
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void RadialMenu::gesturePanning(const Point & initialPosition, const Point & currentPosition, const Point & lastUpdateDistance)
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{
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GH.statusbar()->clear();
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for(const auto & item : items)
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{
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if (item->isInside(currentPosition))
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{
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GH.statusbar()->write(item->hoverText);
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break;
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}
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}
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}
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void RadialMenu::gesture(bool on, const Point & initialPosition, const Point & finalPosition)
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{
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if (!on)
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{
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// we need to close this window first so if action spawns a new window it won't be closed instead
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GH.windows().popWindows(1);
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for(const auto & item : items)
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{
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if (item->isInside(finalPosition))
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{
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item->callback();
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break;
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}
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}
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}
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}
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