ds_droplist.h

/* Copyright (C) 2017 - 2024, Thornwave Labs Inc - All Rights Reserved.
 * Unauthorized copying of this file, via any medium is strictly prohibited.
 * Proprietary and confidential.
 * Written by Razvan Turiac <razvan.turiac@thornwave.com>
*/
 
#ifndef _DS_DROPLIST_H
#define _DS_DROPLIST_H
 
 
#include <ds_view.h>
#include <ds_selection_base.h>
 
 
class DsDropList: public DsView, public DsSelectionBase
{
public:
    class Listener
    {
    public:
        virtual uint32_t onDropListGetLength(DsDropList* object) = 0;
 
        
        virtual const char* onDropListGetString(DsDropList* object, uint32_t index) = 0;
    };
 
 
    DsDropList(DsView* parent, const DsPoint &pos, const DsSize &size, uint32_t maximum_height, const ds_bitmap_font_t* font);
 
 
    void setListener(Listener* listener);
 
 
    void setListColors(DsColor color, DsColor color_selected);
 
    
    void setTextColors(DsColor color, DsColor color_selected);
    
    
    void setBorderColor(DsColor color);
 
    
    void setBorderThickness(uint8_t thickness);
 
 
    void setButtonColor(DsColor color);
 
     
    void setScrollBarColor(DsColor color);
 
 
    void expand(void);
 
    
    void fold(void);
 
private:
    uint32_t mMaximumHeight;
    const ds_bitmap_font_t* mFont;
 
    DsColor mScrollBarColor;
 
    DsColor mTextColor;
    DsColor mSelectedTextColor;
 
    DsColor mListBackgroundColor;
    DsColor mSelectedListBackgroundColor;
 
    DsColor mBorderColor;
    uint32_t mCornerRadius;
 
    DsColor mButtonColor;
    DsColor mPushedButtonColor;
    
    DsPoint mButtonCenter;
    uint32_t mButtonRadius;
 
    uint32_t mTapIndex;
 
    DsRect mFoldedRegion;
    DsRect mExpandedRegion;
 
    uint32_t mRowOffset;
    uint32_t mRowHeight;
    uint32_t mMaxRows;
    
    Listener* mListener;
 
    uint8_t mBorderThickness;
    
    struct 
    {
        uint8_t mIsExpanded: 1;
        uint8_t mIsTouchActive: 1;
        uint8_t mFoldUnfoldTap: 1;
    };
 
    void onPaint(DsRenderer &renderer) override final;
    bool onTouch(const DsTouchEvent &event) override final;
 
    void onSizeChange(void) override final;
    int32_t onSelectionChange(int32_t selection) override final;
    void getSelectionCount(void) override final;
};
 
#endif