mirror of
https://github.com/amyinspace/MagicSetEditor2.git
synced 2026-06-10 21:06:59 -04:00
coppro
26562e03e3
git-svn-id: svn://svn.code.sf.net/p/magicseteditor/code/trunk@837 0fc631ac-6414-0410-93d0-97cfa31319b6
88 lines
3.2 KiB
C++
88 lines
3.2 KiB
C++
//+----------------------------------------------------------------------------+
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//| Description: Magic Set Editor - Program to make Magic (tm) cards |
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//| Copyright: (C) 2001 - 2008 Twan van Laarhoven and "coppro" |
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//| License: GNU General Public License 2 or later (see file COPYING) |
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//+----------------------------------------------------------------------------+
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#ifndef HEADER_GUI_SYMBOL_SELECTION
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#define HEADER_GUI_SYMBOL_SELECTION
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// ----------------------------------------------------------------------------- : Includes
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#include <util/prec.hpp>
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class Vector2D;
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DECLARE_POINTER_TYPE(Symbol);
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DECLARE_POINTER_TYPE(SymbolPart);
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DECLARE_POINTER_TYPE(SymbolShape);
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DECLARE_POINTER_TYPE(SymbolSymmetry);
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class SymbolGroup;
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// ----------------------------------------------------------------------------- : Selection
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enum SelectMode
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{ SELECT_OVERRIDE // give a completely new selection
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, SELECT_IF_OUTSIDE // define a new selection if the affected part is not already selected
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, SELECT_TOGGLE // toggle selection of affected part
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};
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/// The selected parts of a symbol, enforcing constraints
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class SymbolPartsSelection {
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public:
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inline SymbolPartsSelection() : root(nullptr) {}
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void setSymbol(const SymbolP& symbol);
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/// Clear selection
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void clear();
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/// Select a part or toggle its selection
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/** Return true if the selection changed */
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bool select(const SymbolPartP& part, SelectMode mode = SELECT_OVERRIDE);
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/// Toggle the selection of the parts in a rectangle (a,b) or (a,c) but not in both
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/** Return true if the selection changed */
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bool selectRect(const Vector2D& a, const Vector2D& b, const Vector2D& c);
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/// Find a part by position (not just in the selection!)
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/** Returns SymbolPartP() if nothing is found.
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* Does not select inside groups unless the part in question is already selected.
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*/
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SymbolPartP find(const Vector2D& position) const;
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/// Get the selection
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inline const set<SymbolPartP>& get() const { return selection; }
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/// Is the selection empty?
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inline bool empty() const { return selection.empty(); }
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/// Number of items selected
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inline size_t size() const { return selection.size(); }
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/// Is a part selected?
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inline bool selected(const SymbolPartP& part) const {
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return selection.find(part) != selection.end();
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}
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/// Get any SymbolShape if there is one selected
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SymbolShapeP getAShape() const;
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/// Get any SymbolSymmetry if there is one selected
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SymbolSymmetryP getASymmetry() const;
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/// Get the only selected thing
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inline SymbolPartP getOnlyOne() const {
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assert(selection.size() == 1);
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return *selection.begin();
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}
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private:
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Symbol* root;
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set<SymbolPartP> selection;
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/// Find a part, in some root
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SymbolPartP find(const SymbolPartP& part, const Vector2D& pos) const;
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/// Select rect for some parent
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bool selectRect(const SymbolGroup& parent, const Vector2D& a, const Vector2D& b, const Vector2D& c);
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/// Make sure not both a parent and its child/decendant are selected
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void clearChildren (SymbolPart* part);
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};
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// ----------------------------------------------------------------------------- : EOF
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#endif
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