77 lines
1.7 KiB
C
77 lines
1.7 KiB
C
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#ifndef TNZ_CHECKBOX_INCLUDED
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#define TNZ_CHECKBOX_INCLUDED
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//#include "tcommon.h"
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#include "tw/tw.h"
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#include "tw/action.h"
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#undef DVAPI
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#undef DVVAR
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#ifdef TWIN_EXPORTS
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#define DVAPI DV_EXPORT_API
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#define DVVAR DV_EXPORT_VAR
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#else
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#define DVAPI DV_IMPORT_API
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#define DVVAR DV_IMPORT_VAR
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#endif
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class TCheckBoxActionInterface;
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class DVAPI TCheckBox : public TWidget
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{
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class TCheckBoxData;
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TCheckBoxData *m_data;
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public:
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TCheckBox(TWidget *parent, string name = "button");
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~TCheckBox();
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void repaint();
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void leftButtonDown(const TMouseEvent &);
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void leftButtonUp(const TMouseEvent &);
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bool isSelected() const;
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void addAction(TCheckBoxActionInterface *);
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void select(bool on);
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bool isGray() const;
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void setIsGray(bool on);
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// per default switchOff e' abilitato. se disabilitato il checkbox si puo'
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// spegnare solo con select(false) (e non con il mouse). Questo serve
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// per implementare un gruppo di radio button (in cui si puo' fare click
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// solo su quelli spenti)
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void enableSwitchOff(bool enabled);
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};
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class DVAPI TCheckBoxActionInterface
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{
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public:
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TCheckBoxActionInterface() {}
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virtual ~TCheckBoxActionInterface() {}
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virtual void triggerAction(TCheckBox *checkbox, bool selected) = 0;
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};
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template <class T>
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class TCheckBoxAction : public TCheckBoxActionInterface
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{
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typedef void (T::*Method)(TCheckBox *checkbox, bool selected);
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T *m_target;
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Method m_method;
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public:
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TCheckBoxAction(T *target, Method method) : m_target(target), m_method(method) {}
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void triggerAction(TCheckBox *checkbox, bool selected) { (m_target->*m_method)(checkbox, selected); }
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};
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template <class T>
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inline void tconnect(TCheckBox &src, T *target, void (T::*method)(TCheckBox *checkbox, bool selected))
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{
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src.addAction(new TCheckBoxAction<T>(target, method));
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}
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#endif
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