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/********************************************************************************
* *
* C h e c k B u t t o n W i d g e t *
* *
*********************************************************************************
* Copyright (C) 1998,2022 by Jeroen van der Zijp. All Rights Reserved. *
*********************************************************************************
* This library is free software; you can redistribute it and/or modify *
* it under the terms of the GNU Lesser General Public License as published by *
* the Free Software Foundation; either version 3 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 Lesser General Public License for more details. *
* *
* You should have received a copy of the GNU Lesser General Public License *
* along with this program. If not, see <http://www.gnu.org/licenses/> *
********************************************************************************/
#ifndef FXCHECKBUTTON_H
#define FXCHECKBUTTON_H
#ifndef FXLABEL_H
#include "FXLabel.h"
#endif
namespace FX {
/// CheckButton styles
enum {
CHECKBUTTON_AUTOGRAY = 0x00800000, /// Automatically gray out when not updated
CHECKBUTTON_AUTOHIDE = 0x01000000, /// Automatically hide when not updated
CHECKBUTTON_PLUS = 0x02000000, /// Draw a + for unchecked and - for checked
CHECKBUTTON_NORMAL = JUSTIFY_NORMAL|ICON_BEFORE_TEXT
};
/**
* A Check Button is a tri-state button. Normally, it is either
* true or false, and toggles between true or false whenever it is pressed.
* A third state (maybe) may be set to indicate that no selection has been made yet
* by the user, or that the state is ambiguous.
* When pressed, the Check Button sends a SEL_COMMAND to its target, and the
* message data represents the state of the check button.
* The option CHECKBUTTON_AUTOGRAY (CHECKBUTTON_AUTOHIDE) causes the button to be
* grayed out (hidden) if its handler does not respond to the SEL_UPDATE message.
* With the CHECKBUTTON_PLUS option, the Check Button will draw a + or - sign instead
* of a check. You can use this to make collapsable panels, by hooking up a Check
* Button to a layout manager via the ID_TOGGLE_SHOWN message. This will give a
* similar visual element as collapsing folders in a Tree List.
*/
class FXAPI FXCheckButton : public FXLabel {
FXDECLARE(FXCheckButton)
protected:
FXColor checkColor; // Color of check mark
FXColor boxColor; // Color of check box
FXuchar check; // Check state
FXuchar oldcheck; // Old check state
protected:
FXCheckButton();
private:
FXCheckButton(const FXCheckButton&);
FXCheckButton &operator=(const FXCheckButton&);
public:
long onPaint(FXObject*,FXSelector,void*);
long onUpdate(FXObject*,FXSelector,void*);
long onEnter(FXObject*,FXSelector,void*);
long onLeave(FXObject*,FXSelector,void*);
long onFocusIn(FXObject*,FXSelector,void*);
long onFocusOut(FXObject*,FXSelector,void*);
long onUngrabbed(FXObject*,FXSelector,void*);
long onLeftBtnPress(FXObject*,FXSelector,void*);
long onLeftBtnRelease(FXObject*,FXSelector,void*);
long onKeyPress(FXObject*,FXSelector,void*);
long onKeyRelease(FXObject*,FXSelector,void*);
long onHotKeyPress(FXObject*,FXSelector,void*);
long onHotKeyRelease(FXObject*,FXSelector,void*);
long onCheck(FXObject*,FXSelector,void*);
long onUncheck(FXObject*,FXSelector,void*);
long onUnknown(FXObject*,FXSelector,void*);
long onCmdSetValue(FXObject*,FXSelector,void*);
long onCmdSetIntValue(FXObject*,FXSelector,void*);
long onCmdGetIntValue(FXObject*,FXSelector,void*);
public:
/// Construct new check button
FXCheckButton(FXComposite* p,const FXString& text,FXObject* tgt=nullptr,FXSelector sel=0,FXuint opts=CHECKBUTTON_NORMAL,FXint x=0,FXint y=0,FXint w=0,FXint h=0,FXint pl=DEFAULT_PAD,FXint pr=DEFAULT_PAD,FXint pt=DEFAULT_PAD,FXint pb=DEFAULT_PAD);
/// Returns true because a check button can receive focus
virtual FXbool canFocus() const;
/// Get default width
virtual FXint getDefaultWidth();
/// Get default height
virtual FXint getDefaultHeight();
/// Set check button state (true, false or maybe)
void setCheck(FXuchar state=true,FXbool notify=false);
/// Get check button state (true, false or maybe)
FXuchar getCheck() const { return check; }
/// Change check button style
void setCheckButtonStyle(FXuint style);
/// Return current check button style
FXuint getCheckButtonStyle() const;
/// Get the box background color
FXColor getBoxColor() const { return boxColor; }
/// Set the box background color
void setBoxColor(FXColor clr);
/// Get the box check color
FXColor getCheckColor() const { return checkColor; }
/// Set the box check color
void setCheckColor(FXColor clr);
/// Save check button to a stream
virtual void save(FXStream& store) const;
/// Load check button from a stream
virtual void load(FXStream& store);
};
}
#endif
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