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//******************************************************************************
// @file UiCheckbox.cpp
// @author Nicolai Shlapunov
//
// @details DevCore: UI Checkbox Visual Object Class, implementation
//
// @copyright Copyright (c) 2016, Devtronic & Nicolai Shlapunov
// All rights reserved.
//
// @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.
//
//******************************************************************************
// *****************************************************************************
// *** Includes ************************************************************
// *****************************************************************************
#include "UiCheckbox.h"
// *****************************************************************************
// *** Constructor *********************************************************
// *****************************************************************************
UiCheckbox::UiCheckbox(int32_t x, int32_t y, bool is_checked, bool is_active)
{
x_start = x;
y_start = y;
x_end = x + 13 - 1;
y_end = y + 13 - 1;
width = 13;
height = 13;
active = is_active;
checked = is_checked;
}
// *****************************************************************************
// *** Put line in buffer **************************************************
// *****************************************************************************
void UiCheckbox::DrawInBufW(uint16_t* buf, int32_t n, int32_t line, int32_t start_x)
{
uint16_t color;
// Draw only if needed
if((line >= y_start) && (line <= y_end))
{
// Find start x position
int32_t start = x_start - start_x;
// Prevent write in memory before buffer
if(start < 0) start = 0;
// Find start x position
int32_t end = x_end - start_x;
// Prevent buffer overflow
if(end > n) end = n;
if(checked) color = COLOR_YELLOW;
else color = COLOR_MAGENTA;
// Have sense draw only if end pointer in buffer
if(x_end > 0)
{
// If fill or first/last row - must be solid
if(true || line == y_start || line == y_end)
{
for(int32_t i = start; i <= end; i++) buf[i] = color;
}
}
}
}
// *****************************************************************************
// *** Put line in buffer **************************************************
// *****************************************************************************
void UiCheckbox::DrawInBufH(uint16_t* buf, int32_t n, int32_t row, int32_t start_y)
{
// FIX ME: implement for Vertical Update Mode too
}
// *****************************************************************************
// *** Action **************************************************************
// *****************************************************************************
void UiCheckbox::Action(VisObject::ActionType action, int32_t tx, int32_t ty)
{
// Switch for process action
switch(action)
{
// Touch action
case VisObject::ACT_TOUCH:
// Change checked state
checked = !checked;
break;
// Untouch action
case VisObject::ACT_UNTOUCH:
break;
case VisObject::ACT_MAX:
default:
break;
}
}
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