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create/src/Gui/SoFCSelectionContext.h

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/****************************************************************************
* Copyright (c) 2018 Zheng Lei (realthunder) <realthunder.dev@gmail.com> *
* *
* This file is part of the FreeCAD CAx development system. *
* *
* This library is free software; you can redistribute it and/or *
* modify it under the terms of the GNU Library General Public *
* License as published by the Free Software Foundation; either *
* version 2 of the License, or (at your option) any later version. *
* *
* This library is distributed in the hope that it will be useful, *
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
* GNU Library General Public License for more details. *
* *
* You should have received a copy of the GNU Library General Public *
* License along with this library; see the file COPYING.LIB. If not, *
* write to the Free Software Foundation, Inc., 59 Temple Place, *
* Suite 330, Boston, MA 02111-1307, USA *
* *
****************************************************************************/
#ifndef GUI_SOFCSELECTIONCONTEXT_H
#define GUI_SOFCSELECTIONCONTEXT_H
#include <map>
#include <vector>
#include <set>
#include <memory>
#include <climits>
#include <App/Material.h>
namespace Gui {
class SoFCSelectionRoot;
struct SoFCSelectionContextBase;
typedef std::shared_ptr<SoFCSelectionContextBase> SoFCSelectionContextBasePtr;
struct GuiExport SoFCSelectionContextBase {
virtual ~SoFCSelectionContextBase() {}
typedef int MergeFunc(int status, SoFCSelectionContextBasePtr &output,
SoFCSelectionContextBasePtr input, SoFCSelectionRoot *node);
};
struct SoFCSelectionContext;
typedef std::shared_ptr<SoFCSelectionContext> SoFCSelectionContextPtr;
struct GuiExport SoFCSelectionContext : SoFCSelectionContextBase
{
int highlightIndex = -1;
std::set<int> selectionIndex;
SbColor selectionColor;
SbColor highlightColor;
std::shared_ptr<int> counter;
virtual ~SoFCSelectionContext();
bool isSelected() const {
return !selectionIndex.empty();
}
void selectAll() {
selectionIndex.clear();
selectionIndex.insert(-1);
}
bool isSelectAll() const{
return selectionIndex.size() && *selectionIndex.begin()<0;
}
bool isHighlighted() const {
return highlightIndex>=0;
}
bool isHighlightAll() const{
return highlightIndex==INT_MAX && (selectionIndex.empty() || isSelectAll());
}
void highlightAll() {
highlightIndex = INT_MAX;
}
void removeHighlight() {
highlightIndex = -1;
}
bool removeIndex(int index);
bool checkGlobal(SoFCSelectionContextPtr ctx);
virtual SoFCSelectionContextBasePtr copy() {
return std::make_shared<SoFCSelectionContext>(*this);
}
static MergeFunc merge;
};
struct SoFCSelectionContextEx;
typedef std::shared_ptr<SoFCSelectionContextEx> SoFCSelectionContextExPtr;
struct GuiExport SoFCSelectionContextEx : SoFCSelectionContext
{
std::map<int,App::Color> colors;
float trans0 = 0.0;
bool setColors(const std::map<std::string,App::Color> &colors, const std::string &element);
uint32_t packColor(const App::Color &c, bool &hasTransparency);
bool applyColor(int idx, std::vector<uint32_t> &packedColors, bool &hasTransparency);
bool isSingleColor(uint32_t &color, bool &hasTransparency);
virtual SoFCSelectionContextBasePtr copy() {
return std::make_shared<SoFCSelectionContextEx>(*this);
}
static MergeFunc merge;
};
class SoHighlightElementAction;
class SoSelectionElementAction;
class GuiExport SoFCSelectionCounter {
public:
SoFCSelectionCounter();
virtual ~SoFCSelectionCounter();
bool checkRenderCache(SoState *state);
void checkAction(SoHighlightElementAction *hlaction);
void checkAction(SoSelectionElementAction *selaction, SoFCSelectionContextPtr ctx);
protected:
std::shared_ptr<int> counter;
bool hasSelection;
bool hasPreselection;
static int cachingMode;
};
}
#endif //GUI_SOFCSELECTIONCONTEXT_H