add smiley emoji (meshtastic#5391)

* add smiley emoji

* clang-formatted

Author: jcyrio

src/graphics/Screen.cpp

@@ -966,6 +966,16 @@ static void drawTextMessageFrame(OLEDDisplay *display, OLEDDisplayUiState *state
         display->drawXbm(x + (SCREEN_WIDTH - thumbs_width) / 2,
                          y + (SCREEN_HEIGHT - FONT_HEIGHT_MEDIUM - thumbs_height) / 2 + 2 + 5, thumbs_width, thumbs_height,
                          thumbdown);
+    } else if (strcmp(reinterpret_cast<const char *>(mp.decoded.payload.bytes), "\U0001F60A") == 0 ||
+               strcmp(reinterpret_cast<const char *>(mp.decoded.payload.bytes), "\U0001F600") == 0 ||
+               strcmp(reinterpret_cast<const char *>(mp.decoded.payload.bytes), "\U0001F642") == 0 ||
+               strcmp(reinterpret_cast<const char *>(mp.decoded.payload.bytes), "\U0001F609") == 0 ||
+               strcmp(reinterpret_cast<const char *>(mp.decoded.payload.bytes), "\U0001F601") ==
+                   0) { // matches 5 different common smileys, so that the phone user doesn't have to remember which one is
+                        // compatible
+        display->drawXbm(x + (SCREEN_WIDTH - smiley_width) / 2,
+                         y + (SCREEN_HEIGHT - FONT_HEIGHT_MEDIUM - smiley_height) / 2 + 2 + 5, smiley_width, smiley_height,
+                         smiley);
     } else if (strcmp(reinterpret_cast<const char *>(mp.decoded.payload.bytes), "❓") == 0) {
         display->drawXbm(x + (SCREEN_WIDTH - question_width) / 2,
                          y + (SCREEN_HEIGHT - FONT_HEIGHT_MEDIUM - question_height) / 2 + 2 + 5, question_width, question_height,
@@ -2747,4 +2757,4 @@ int Screen::handleAdminMessage(const meshtastic_AdminMessage *arg)
 } // namespace graphics
 #else
 graphics::Screen::Screen(ScanI2C::DeviceAddress, meshtastic_Config_DisplayConfig_OledType, OLEDDISPLAY_GEOMETRY) {}
-#endif // HAS_SCREEN
+#endif // HAS_SCREEN

src/graphics/images.h

@@ -56,6 +56,16 @@ static unsigned char thumbdown[] PROGMEM = {
     0x80, 0x09, 0x00, 0x00, 0x00, 0x11, 0x00, 0x00, 0x00, 0x12, 0x00, 0x00, 0x00, 0x24, 0x00, 0x00, 0x00, 0x1C, 0x00, 0x00,
 };
 
+#define smiley_height 30
+#define smiley_width 30
+static unsigned char smiley[] PROGMEM = {
+    0x00, 0xfe, 0x0f, 0x00, 0x80, 0x01, 0x30, 0x00, 0x40, 0x00, 0xc0, 0x00, 0x20, 0x00, 0x00, 0x01, 0x10, 0x00, 0x00, 0x02,
+    0x08, 0x00, 0x00, 0x04, 0x04, 0x00, 0x00, 0x08, 0x04, 0x00, 0x00, 0x10, 0x02, 0x0e, 0x0e, 0x10, 0x02, 0x09, 0x12, 0x10,
+    0x01, 0x09, 0x12, 0x20, 0x01, 0x0f, 0x1e, 0x20, 0x01, 0x00, 0x00, 0x20, 0x01, 0x00, 0x00, 0x20, 0x01, 0x00, 0x00, 0x20,
+    0x01, 0x00, 0x00, 0x20, 0x01, 0x00, 0x00, 0x20, 0x01, 0x00, 0x00, 0x20, 0x01, 0x00, 0x00, 0x20, 0x81, 0x00, 0x20, 0x20,
+    0x82, 0x00, 0x20, 0x10, 0x02, 0x01, 0x10, 0x10, 0x04, 0x02, 0x08, 0x08, 0x04, 0xfc, 0x07, 0x08, 0x08, 0x00, 0x00, 0x04,
+    0x10, 0x00, 0x00, 0x02, 0x20, 0x00, 0x00, 0x01, 0x40, 0x00, 0xc0, 0x00, 0x80, 0x01, 0x30, 0x00, 0x00, 0xfe, 0x0f, 0x00};
+
 #define question_height 25
 #define question_width 25
 static unsigned char question[] PROGMEM = {