168 lines
3.9 KiB
C++
168 lines
3.9 KiB
C++
/*
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* This file is part of the "bluetoothheater" distribution
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* (https://gitlab.com/mrjones.id.au/bluetoothheater)
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*
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* Copyright (C) 2018 Ray Jones <ray@mrjones.id.au>
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <https://www.gnu.org/licenses/>.
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*
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*/
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#include <Arduino.h>
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#include "Screen.h"
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// base class functionality for screens
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CScreen::CScreen(C128x64_OLED& disp, CScreenManager& mgr) :
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_display(disp),
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_ScreenManager(mgr)
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{
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_showOEMerror = 0;
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}
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CScreen::~CScreen()
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{
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}
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bool
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CScreen::animate()
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{
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if(_showOEMerror) {
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_display.clearDisplay();
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_display.fillRect(8, 20, 112, 24, WHITE);
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if(_showOEMerror & 0x01) {
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_printInverted(_display.xCentre(), 23, "Other controller ", true, eCentreJustify);
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_printInverted(_display.xCentre(), 32, "Operation blocked", true, eCentreJustify);
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}
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_showOEMerror--;
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return true;
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}
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return false;
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}
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bool
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CScreen::show()
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{
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return false;
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}
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void
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CScreen::onSelect()
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{
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}
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void
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CScreen::onExit()
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{
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}
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void
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CScreen::_printMenuText(int x, int y, const char* str, bool selected, eJUSTIFY justify, int border, int radius)
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{
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// position output, according to justification
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CRect extents;
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extents.xPos = x;
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extents.yPos = y;
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_display.getTextExtents(str, extents);
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_adjustExtents(extents, justify, str);
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_display.setCursor(extents.xPos, extents.yPos);
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_display.print(str);
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if(selected) {
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extents.Expand(border);
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_display.drawRoundRect(extents.xPos, extents.yPos, extents.width, extents.height, radius, WHITE);
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}
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}
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void
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CScreen::_drawMenuSelection(CRect extents, const char* str, int border, int radius)
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{
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_display.getTextExtents(str, extents);
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extents.Expand(border);
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_display.drawRoundRect(extents.xPos, extents.yPos, extents.width, extents.height, radius, WHITE);
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}
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void
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CScreen::_printInverted(int x, int y, const char* str, bool selected, eJUSTIFY justify)
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{
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// position output, according to justification
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CRect extents;
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extents.xPos = x;
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extents.yPos = y;
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_adjustExtents(extents, justify, str);
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if(selected) {
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_display.setTextColor(BLACK, WHITE);
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extents.Expand(1);
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_display.fillRect(extents.xPos, extents.yPos, extents.width, extents.height, WHITE);
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extents.Expand(-1);
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}
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_display.setCursor(extents.xPos, extents.yPos);
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_display.print(str);
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_display.setTextColor(WHITE, BLACK);
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}
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void
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CScreen::_scrollMessage(int y, const char* str, int& charOffset)
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{
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char msg[20];
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int maxIndex = strlen(str) - 20;
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strncpy(msg, &str[charOffset], 19);
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msg[19] = 0;
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_printMenuText(_display.xCentre(), y, msg, false, eCentreJustify);
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charOffset++;
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if(charOffset >= maxIndex) {
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charOffset = 0;
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}
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}
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void
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CScreen::_adjustExtents(CRect& extents, eJUSTIFY justify, const char* str)
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{
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_display.getTextExtents(str, extents);
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switch(justify) {
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case eCentreJustify:
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extents.xPos -= extents.width/2;
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break;
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case eRightJustify:
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extents.xPos -= extents.width;
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break;
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}
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}
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void
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CScreen::_reqOEMWarning()
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{
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_showOEMerror = 10;
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}
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// a class used for temporary alternate fonts usage
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// Reverts to standard inbuilt font when the instance falls out of scope
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CTransientFont::CTransientFont(C128x64_OLED& disp, const FONT_INFO* pFont) :
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_display(disp)
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{
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_display.setFontInfo(pFont);
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_display.setTextColor(WHITE, BLACK);
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}
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CTransientFont::~CTransientFont()
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{
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_display.setFontInfo(NULL);
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}
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