ESP32_ChinaDieselHeater_Con.../Arduino/BTCDieselHeater/Screen.cpp
rljonesau 27d7c70068 Split CScreen base class out for fundamental screen functions
Added CScreenHeader for standard header items, then all other screens inherit from there.
Removed "get" helpers, now use getHeaterInfo() "CProtocolPackage"
2018-12-01 11:36:25 +11:00

101 lines
2 KiB
C++

#include <Arduino.h>
#include "Screen.h"
#include "128x64OLED.h"
#include "ScreenManager.h"
// base class functionality for screens
CScreen::CScreen(C128x64_OLED& disp, CScreenManager& mgr) :
_display(disp),
_ScreenManager(mgr)
{
}
CScreen::~CScreen()
{
}
void
CScreen::animate()
{
}
void
CScreen::show()
{
}
void
CScreen::_drawMenuText(int x, int y, const char* str, bool selected, eJUSTIFY justify, int border, int radius)
{
// position output, according to justification
CRect extents;
extents.xPos = x;
extents.yPos = y;
_display.getTextExtents(str, extents);
_adjustExtents(extents, justify, str);
_display.setCursor(extents.xPos, extents.yPos);
_display.print(str);
if(selected) {
extents.Expand(border);
_display.drawRoundRect(extents.xPos, extents.yPos, extents.width, extents.height, radius, WHITE);
}
}
void
CScreen::_printInverted(int x, int y, const char* str, bool selected, eJUSTIFY justify)
{
// position output, according to justification
CRect extents;
extents.xPos = x;
extents.yPos = y;
_adjustExtents(extents, justify, str);
if(selected) {
_display.setTextColor(BLACK, WHITE);
extents.Expand(1);
_display.fillRect(extents.xPos, extents.yPos, extents.width, extents.height, WHITE);
extents.Expand(-1);
}
_display.setCursor(extents.xPos, extents.yPos);
_display.print(str);
_display.setTextColor(WHITE, BLACK);
}
void
CScreen::_adjustExtents(CRect& extents, eJUSTIFY justify, const char* str)
{
_display.getTextExtents(str, extents);
switch(justify) {
case eCentreJustify:
extents.xPos -= extents.width/2;
break;
case eRightJustify:
extents.xPos -= extents.width;
break;
}
}
// a class used for temporary alternate fonts usage
// Reverts to standard inbuilt font when the instance falls out of scope
CTransientFont::CTransientFont(C128x64_OLED& disp, const FONT_INFO* pFont) :
_display(disp)
{
_display.setFontInfo(pFont);
_display.setTextColor(WHITE, BLACK);
}
CTransientFont::~CTransientFont()
{
_display.setFontInfo(NULL);
}