simplyfy the font logic and also fix the bug where it loaded the chinese font for both chinese and latin

include/gui.h

@@ -41,7 +41,7 @@ extern void TuneUp();
 extern void endMenu();
 extern void startFMDXScan();
 extern void DoMemoryPosTune();
-extern void UpdateFonts(byte mode);
+extern void UpdateFonts();
 extern void tftPrint(int8_t offset, const String & text, int16_t x, int16_t y, int color, int smoothcolor, uint8_t fontsize);
 extern void setAutoSpeedSPI();
 extern void showAutoSquelch(bool mode);

lib/TFT_eSPI/TFT_eSPI.cpp

@@ -498,7 +498,6 @@ TFT_eSPI::TFT_eSPI(int16_t w, int16_t h)
   _fillbg = isDigits = textwrapY = false;
   textwrapX = true;
   textdatum = TL_DATUM;
-  fontsloaded = 0;
 
   _swapBytes = false;
 
@@ -507,17 +506,12 @@ TFT_eSPI::TFT_eSPI(int16_t w, int16_t h)
   lockTransaction = false;
 
   _booted = true;
-  _cp437 = false;
-  _utf8 = true;
 
   addr_row = 0xFFFF;
   addr_col = 0xFFFF;
 
   _xPivot = 0;
   _yPivot = 0;
-
-  fontsloaded = 0x0002; // Bit 1 set
-  fontsloaded |= 0x8000; // Bit 15 set
 }
 
 void TFT_eSPI::initBus(void) {
@@ -2139,10 +2133,6 @@ int16_t TFT_eSPI::textWidth(const char *string, uint8_t font) {
   return str_width;
 }
 
-uint16_t TFT_eSPI::fontsLoaded() {
-  return fontsloaded;
-}
-
 int16_t TFT_eSPI::fontHeight(uint8_t font) {
   if (font > 8) return 0;
 
@@ -2948,8 +2938,6 @@ void TFT_eSPI::invertDisplay(bool i) {
 }
 
 uint16_t TFT_eSPI::decodeUTF8(uint8_t c) {
-  if (!_utf8) return c;
-
   if ((c & 0x80) == 0x00) {
     decoderState = 0;
     return c;
@@ -2989,8 +2977,6 @@ uint16_t TFT_eSPI::decodeUTF8(uint8_t *buf, uint16_t *index, uint16_t remaining)
 {
   uint16_t c = buf[(*index)++];
 
-  if (!_utf8) return c;
-
   if ((c & 0x80) == 0x00) return c;
 
   if (((c & 0xE0) == 0xC0) && (remaining > 1))

lib/TFT_eSPI/TFT_eSPI.h

@@ -277,9 +277,6 @@ class TFT_eSPI { friend class TFT_eSprite;
            // Used by Smooth font class to fetch a pixel colour for the anti-aliasing
   void     setCallback(getColorCallback getCol);
 
-  uint16_t fontsLoaded(void); // Each bit in returned value represents a font type that is loaded - used for debug/error handling only
-
-
   void     spiwrite(uint8_t);        // legacy support only
   void     writecommand(uint8_t c);  // Send an 8-bit command, function resets DC/RS high ready for data
   void     writedata(uint8_t d);     // Send data with DC/RS set high
@@ -440,17 +437,12 @@ uint8_t spi_write_speed;
   int32_t  bg_cursor_x;
   int32_t  last_cursor_x;
 
-  uint32_t fontsloaded;
-
   bool     isDigits;
   bool     textwrapX, textwrapY;
   bool     _swapBytes;
 
   bool     _booted;
 
-  bool     _cp437;
-  bool     _utf8;
-
   uint32_t _lastColor;
 
   bool     _fillbg;

src/gui.cpp

@@ -3519,14 +3519,14 @@ void MenuUpDown(bool dir) {
         switch (menuoption) {
           case ITEM1:
             if (dir) {
-              language ++;
+              language++;
               if (language == language_totalnumber) language = 0;
             } else {
-              language --;
+              language--;
               if (language > language_totalnumber) language = language_totalnumber - 1;
             }
 
-            UpdateFonts(0);
+            UpdateFonts();
             OneBigLineSprite.drawString(textUI(0), 135, 0);
             OneBigLineSprite.pushSprite(24, 118);
             break;
@@ -5222,7 +5222,6 @@ void DoMenu() {
               tftPrint(ACENTER, "http://192.168.4.1", 155, 174, PrimaryColor, PrimaryColorSmooth, 16);
               char key [9];
               XDRGTK_key.toCharArray(key, 9);
-              UpdateFonts(1);
               if (wifi) {
                 wifi = false;
                 tryWiFi();
@@ -5238,7 +5237,6 @@ void DoMenu() {
               XDRGTK_key = XDRGTK_key_input.getValue();
               EEPROM.writeString(EE_STRING_XDRGTK_KEY, XDRGTK_key);
               EEPROM.commit();
-              UpdateFonts(0);
               wifi = true;
               tryWiFi();
               delay(2000);

src/main.cpp

@@ -1315,19 +1315,19 @@ void setup() {
   FullLineSprite.createSprite(308, 19);
   FullLineSprite.setSwapBytes(true);
   FullLineSprite.loadFont(FONT16, 0);
-  FullLineSprite.loadFont(FONT16_CHS, 0);
+  FullLineSprite.loadFont(FONT16_CHS, 1);
 
   OneBigLineSprite.createSprite(270, 30);
   OneBigLineSprite.setSwapBytes(true);
   OneBigLineSprite.loadFont(FONT28, 0);
-  OneBigLineSprite.loadFont(FONT28_CHS, 0);
+  OneBigLineSprite.loadFont(FONT28_CHS, 1);
 
   SignalSprite.createSprite(80, 48);
   SignalSprite.loadFont(FONT28, 0);
   SignalSprite.setTextColor(PrimaryColor, PrimaryColorSmooth, false);
   SignalSprite.setSwapBytes(true);
 
-  UpdateFonts(0);
+  UpdateFonts();
 
   if (digitalRead(BWBUTTON) == LOW && digitalRead(ROTARY_BUTTON) == HIGH && digitalRead(MODEBUTTON) == HIGH && digitalRead(BANDBUTTON) == HIGH) {
     if (rotarymode == 0) rotarymode = 1; else rotarymode = 0;
@@ -3903,21 +3903,17 @@ void tftPrint(int8_t offset, const String & text, int16_t x, int16_t y, int colo
   tft.drawString(modifiedText, x, y, selectedFont);
 }
 
-void UpdateFonts(byte mode) {
-  switch (mode) {
-    case 0:
-      if (language == LANGUAGE_CHS) {
-        if (menu) PSSprite.setTextFont(1); else PSSprite.setTextFont(3);
-        OneBigLineSprite.setTextFont(1);
-        GeneralTextSprite.setTextFont(1);
-        FullLineSprite.setTextFont(1);
-      } else {
-        if (menu) PSSprite.setTextFont(0); else PSSprite.setTextFont(2);
-        OneBigLineSprite.setTextFont(0);
-        GeneralTextSprite.setTextFont(0);
-        FullLineSprite.setTextFont(0);
-      }
-      break;
+void UpdateFonts() {
+  if (language == LANGUAGE_CHS) {
+    if (menu) PSSprite.setTextFont(1); else PSSprite.setTextFont(3);
+    OneBigLineSprite.setTextFont(1);
+    GeneralTextSprite.setTextFont(1);
+    FullLineSprite.setTextFont(1);
+  } else {
+    if (menu) PSSprite.setTextFont(0); else PSSprite.setTextFont(2);
+    OneBigLineSprite.setTextFont(0);
+    GeneralTextSprite.setTextFont(0);
+    FullLineSprite.setTextFont(0);
   }
 }