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/**
* @file sharp.cpp
* @brief Handles all drawing to the display.
*
* Copyright (C) 2019 Clyne Sullivan
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
#include "sharp.hpp"
#include "rtc.hpp"
constexpr unsigned int SHARP_SCK = 12;
constexpr unsigned int SHARP_MOSI = 13;
constexpr unsigned int SHARP_SS = 14;
Adafruit_SharpMem Sharp::display(SHARP_SCK, SHARP_MOSI, SHARP_SS, SHARP_WIDTH,
SHARP_HEIGHT);
TaskHandle_t Sharp::taskHandle;
std::vector<Widget *> Sharp::widgets;
int Sharp::topY = 0;
int Sharp::scrollVelocity = 0;
void Sharp::begin(void)
{
widgets.reserve(10);
display.begin();
display.clearDisplay();
display.setTextSize(3);
display.setTextColor(BLACK, WHITE);
xTaskCreate(updateTask, "sharp", 512, nullptr, TASK_PRIO_LOW,
&taskHandle);
}
void Sharp::sendInput(int ypos)
{
if (ypos < 0 || ypos > SHARP_HEIGHT)
return;
int y = topY;
for (unsigned int i = 0; i < widgets.size(); i++) {
y += widgets[i]->getHeight();
if (ypos < y) {
if (widgets[i]->onPress()) {
delete widgets[i];
widgets.erase(widgets.begin() + i);
display.clearDisplay();
}
break;
}
y += 3;
if (y >= SHARP_HEIGHT)
break;
}
}
void Sharp::updateTask([[maybe_unused]] void *arg)
{
static unsigned int counter = 0;
while (1) {
if (counter++ == 3) {
counter = 0;
auto y = topY;
for (auto& w : widgets) {
w->render(display, y);
y += w->getHeight();
display.drawFastHLine(0, y + 1, SHARP_WIDTH, BLACK);
y += 3;
if (y >= SHARP_HEIGHT)
break;
}
display.refresh();
} else {
topY += scrollVelocity * 20;
if (scrollVelocity != 0)
display.clearDisplay();
if (topY > 0)
topY = 0;
}
delay(50);
}
}
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