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/**
* @file widget.hpp
* @brief Defines widgets that may be put on 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/>.
*/
#ifndef WIDGET_HPP_
#define WIDGET_HPP_
class Adafruit_GFX;
#include <bluefruit.h>
#include <cstring>
enum class PressAction {
Nothing = 0,
Destroy,
Fullscreen
};
class Widget {
private:
unsigned int height;
public:
constexpr Widget(unsigned int _height = 0)
: height(_height) {}
inline unsigned int getHeight(void) const {
return height;
}
virtual void renderFullscreen([[maybe_unused]] Adafruit_GFX& display,
[[maybe_unused]] int ypos) {}
virtual void render(Adafruit_GFX& display, int ypos) = 0;
virtual PressAction onPress(void) = 0;
protected:
inline void setHeight(unsigned int _height) {
height = _height;
}
};
class TimeWidget : public Widget {
private:
unsigned int prevTicks;
public:
constexpr TimeWidget(void)
: Widget(30), prevTicks(0) {}
void render(Adafruit_GFX& display, int ypos) final;
void renderFullscreen(Adafruit_GFX& display, int ypos) final;
PressAction onPress(void) final;
};
class NotificationWidget : public Widget {
private:
char message[36];
public:
NotificationWidget(const char *msg)
: Widget(48) {
unsigned int i;
for (i = 0; msg[i] != '\0' && i < 35; i++)
message[i] = msg[i];
message[i] = '\0';
setHeight(16 * (i / 12 + 1));
}
void render(Adafruit_GFX& display, int ypos) final;
PressAction onPress(void) final {
return PressAction::Destroy;
}
};
class NoteWidget : public Widget {
private:
char *text;
public:
NoteWidget(const char *t, unsigned int size)
: Widget(24) {
text = new char[size];
for (unsigned int i = 0; i < size; i++)
text[i] = t[i];
}
~NoteWidget(void) {
delete[] text;
}
void render(Adafruit_GFX& display, int ypos) final;
void renderFullscreen(Adafruit_GFX& display, int ypos) final;
PressAction onPress(void) final;
};
#endif // WIDGET_HPP_
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