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//******************************************************************************
// @file UiScroll.h
// @author Nicolai Shlapunov
//
// @details DevCore: UI Scroll Visual Object Class, header
//
// @section LICENSE
//
// Software License Agreement (Modified BSD License)
//
// Copyright (c) 2016, Devtronic & Nicolai Shlapunov
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are met:
//
// 1. Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// 2. Redistributions in binary form must reproduce the above copyright
// notice, this list of conditions and the following disclaimer in the
// documentation and/or other materials provided with the distribution.
// 3. Neither the name of the Devtronic nor the names of its contributors
// may be used to endorse or promote products derived from this software
// without specific prior written permission.
// 4. Redistribution and use of this software other than as permitted under
// this license is void and will automatically terminate your rights under
// this license.
//
// THIS SOFTWARE IS PROVIDED BY DEVTRONIC ''AS IS'' AND ANY EXPRESS OR IMPLIED
// WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
// MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
// IN NO EVENT SHALL DEVTRONIC BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
// TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
// PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
// LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
// NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
// SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
//
// @section SUPPORT
//
// Devtronic invests time and resources providing this open source code,
// please support Devtronic and open-source hardware/software by
// donations and/or purchasing products from Devtronic.
//
//******************************************************************************
#ifndef UiScroll_h
#define UiScroll_h
// *****************************************************************************
// *** Includes ************************************************************
// *****************************************************************************
#include "DevCfg.h"
#include "DisplayDrv.h"
#include "VisObject.h"
// *****************************************************************************
// *** Scroll Class ********************************************************
// *****************************************************************************
class UiScroll : public VisObject
{
public:
// *************************************************************************
// *** Constructor *****************************************************
// *************************************************************************
UiScroll() {};
// *************************************************************************
// *** Constructor *****************************************************
// *************************************************************************
UiScroll(int32_t x, int32_t y, int32_t w, int32_t h, int32_t n, int32_t bar,
bool is_vertical = true, bool is_has_buttons = false, bool is_active = true);
// *************************************************************************
// *** SetParams *******************************************************
// *************************************************************************
void SetParams(int32_t x, int32_t y, int32_t w, int32_t h, int32_t n,
int32_t bar, bool is_vertical = true,
bool is_has_buttons = false, bool is_active = true);
// *************************************************************************
// *** Return End X coordinate *****************************************
// *************************************************************************
int32_t GetScrollPos(void) {return cnt;};
// *************************************************************************
// *** Return End Y coordinate *****************************************
// *************************************************************************
void SetScrollPos(int32_t pos) {cnt = pos;};
// *************************************************************************
// *** Put line in buffer **********************************************
// *************************************************************************
virtual void DrawInBufH(uint16_t* buf, int32_t n, int32_t row, int32_t y = 0);
// *************************************************************************
// *** Put line in buffer **********************************************
// *************************************************************************
virtual void DrawInBufW(uint16_t* buf, int32_t n, int32_t line, int32_t x = 0);
// *************************************************************************
// *** Put line in buffer **********************************************
// *************************************************************************
virtual void Action(VisObject::ActionType action, int32_t tx, int32_t ty);
private:
// Current position
int32_t cnt = 0;
// Total count
int32_t total_cnt = 0;
// number of records "shows" on the screen for properly scale bar
int32_t bar_cnt = 0;
// Is scroll vertical?
bool vertical = false;
// Is has buttons
bool has_buttons = false;
// Calculated data
int16_t bar_shift = 0; // Bar initial shift for skip button place
int16_t total_len = 0; // Total length for bar
int16_t bar_len = 0; // Bar length
int16_t empty_len = 0; // Empty length available for bar moving
};
#endif // UiScroll_h
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