llspinctrl.h

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#ifndef LL_LLSPINCTRL_H
#define LL_LLSPINCTRL_H


#include "stdtypes.h"
#include "lluictrl.h"
#include "v4color.h"
#include "llrect.h"

//
// Constants
//
const S32       SPINCTRL_BTN_HEIGHT             =  8;
const S32       SPINCTRL_BTN_WIDTH              = 16;
const S32       SPINCTRL_SPACING                =  2;                                                   // space between label right and button left
const S32       SPINCTRL_HEIGHT                 =  2 * SPINCTRL_BTN_HEIGHT;
const S32       SPINCTRL_DEFAULT_LABEL_WIDTH = 10;

//
// Classes
//
class LLFontGL;
class LLButton;
class LLTextBox;
class LLLineEditor;
class LLUICtrlFactory;


class LLSpinCtrl
: public LLUICtrl
{
public:
        LLSpinCtrl(const LLString& name, const LLRect& rect,
                const LLString& label,
                const LLFontGL* font,
                void (*commit_callback)(LLUICtrl*, void*),
                void* callback_userdata,
                F32 initial_value, F32 min_value, F32 max_value, F32 increment,
                const LLString& control_name = LLString(),
                S32 label_width = SPINCTRL_DEFAULT_LABEL_WIDTH );

        virtual ~LLSpinCtrl();
        virtual EWidgetType getWidgetType() const { return WIDGET_TYPE_SPINNER; }
        virtual LLString getWidgetTag() const { return LL_SPIN_CTRL_TAG; }
        virtual LLXMLNodePtr getXML(bool save_children = true) const;
        static LLView* fromXML(LLXMLNodePtr node, LLView *parent, LLUICtrlFactory *factory);

        virtual void    setValue(const LLSD& value );
        virtual LLSD    getValue() const;
                        F32             get() { return (F32)getValue().asReal(); }
                        void    set(F32 value) { setValue(value); mInitialValue = value; }

        virtual void    setMinValue(LLSD min_value)     { setMinValue((F32)min_value.asReal()); }
        virtual void    setMaxValue(LLSD max_value)     { setMaxValue((F32)max_value.asReal());  }

        BOOL                    isMouseHeldDown();

        virtual void    setEnabled( BOOL b );
        virtual void    setFocus( BOOL b );
        virtual void    clear();
        virtual BOOL    isDirty() const;

        virtual void    setPrecision(S32 precision);
        virtual void    setMinValue(F32 min)                    { mMinValue = min; }
        virtual void    setMaxValue(F32 max)                    { mMaxValue = max; }
        virtual void    setIncrement(F32 inc)                   { mIncrement = inc; }

        void                    setLabel(const LLStringExplicit& label);
        void                    setLabelColor(const LLColor4& c)                        { mTextEnabledColor = c; }
        void                    setDisabledLabelColor(const LLColor4& c)        { mTextDisabledColor = c; }

        virtual void    onTabInto();

        virtual void    setTentative(BOOL b);                   // marks value as tentative
        virtual void    onCommit();                                             // mark not tentative, then commit

        void                    forceEditorCommit();                    // for commit on external button

        virtual BOOL    handleScrollWheel(S32 x,S32 y,S32 clicks);
        virtual BOOL    handleKeyHere(KEY key, MASK mask, BOOL called_from_parent);

        virtual void    draw();

        static void             onEditorCommit(LLUICtrl* caller, void* userdata);
        static void             onEditorGainFocus(LLUICtrl* caller, void *userdata);
        static void             onEditorChangeFocus(LLUICtrl* caller, S32 direction, void *userdata);

        static void             onUpBtn(void *userdata);
        static void             onDownBtn(void *userdata);

protected:
        void                    updateEditor();
        void                    reportInvalidData();

protected:

        F32                             mValue;
        F32                             mInitialValue;
        F32                             mMaxValue;
        F32                             mMinValue;
        F32                             mIncrement;

        S32                             mPrecision;
        LLTextBox*              mLabelBox;

        LLLineEditor*   mEditor;
        LLColor4                mTextEnabledColor;
        LLColor4                mTextDisabledColor;

        LLButton*               mUpBtn;
        LLButton*               mDownBtn;

        BOOL                    mbHasBeenSet;
};

#endif  // LL_LLSPINCTRL_H

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