some vibecode fixed something

ledy.ino

@@ -24,7 +24,8 @@ unsigned short getTextNodeY2(TextNode *node)
 
 unsigned short getTextNodeX2(TextNode *node)
 {
-  return node->pos_x + node->characterSize.width * node->character_count + node->character_count - 1;
+  if (node->character_count == 0) return node->pos_x;
+  return node->pos_x + (node->characterSize.width * node->character_count) + (node->character_count - 1) - 1;
 }
 
 void addNewTextNode

lowLevel.h

@@ -16,7 +16,8 @@ uint32_t getPixelColor(unsigned short x, unsigned short y);
 void drawImageFromSaved(unsigned short offset_x, unsigned short offset_y, unsigned char i);
 void drawCharacter(const bool (*character)[5], unsigned char height, unsigned char width, uint32_t color, Cursor (*used_cursor));
 void fillPixels(unsigned short x1, unsigned short y1, unsigned short x2, unsigned short y2, uint32_t color);
-void shiftGivenRectangle(unsigned short x1, unsigned short y1, unsigned short x2, unsigned short y2, unsigned char shift_by);
+void shiftGivenRectangleLeft(short x1, short y1, short x2, short y2, unsigned char shift_by);
+void shiftGivenRectangleRight(short x1, short y1, short x2, short y2, unsigned char shift_by);
 
 #endif // LOWLEVEL_H
 

lowLevel.ino

@@ -109,8 +109,8 @@ void drawCharacter(const bool (*character)[5], unsigned char height, unsigned ch
         unsigned short pixel_x = col + used_cursor->x;
         unsigned short pixel_y = row + used_cursor->y;
 
-        if (pixel_x >= 0 && pixel_x < NUMPIXELS &&
+        if (pixel_x <= PANEL_MAX_X &&
-            pixel_y >= 0 && pixel_y < NUMPIXELS)
+            pixel_y <= PANEL_MAX_Y)
         {
           setPixel(pixel_x, pixel_y, color);
         }
@@ -151,27 +151,48 @@ void shiftGivenRectangleLeft(short x1, short y1, short x2, short y2, unsigned ch
   }
   if (x1 > x2)
   {
-    unsigned short tmp = x1; x1 = x2; x2 = tmp;
+    short tmp = x1; x1 = x2; x2 = tmp;
   }
   if (y1 > y2)
   {
-    unsigned short tmp = y1; y1 = y2; y2 = tmp;
+    short tmp = y1; y1 = y2; y2 = tmp;
   }
 
   unsigned short width  = (unsigned short)(x2 - x1 + 1);
   unsigned short height = (unsigned short)(y2 - y1 + 1);
 
-  for (unsigned short i = 0; i < height; i++)
+  for (short i = 0; i < height; i++)
   {
-    for (unsigned short j = 0; j < width + shift_by; j++)
+    short y = y1 + i;
+    if (y < 0 || y > PANEL_MAX_Y) continue;
+
+    for (short j = 0; j < width; j++)
     {
-      setPixel(x1 + j - shift_by, y1 + i, getPixelColor(x1 + j, y1 + i));
+      short src_x = x1 + j;
-      setPixel(x1 + j, y1 + i, 0x00000000);
+      short dest_x = src_x - shift_by;
+
+      uint32_t color = 0;
+      if (src_x >= 0 && src_x <= PANEL_MAX_X) {
+        color = getPixelColor(src_x, y);
+      }
+      
+      if (dest_x >= 0 && dest_x <= PANEL_MAX_X) {
+        setPixel(dest_x, y, color);
+      }
     }
   }
+  // Clear the trailing edge that was shifted from
+  for (short y = y1; y <= y2; y++) {
+      if (y < 0 || y > PANEL_MAX_Y) continue;
+      for (short x = x2 - shift_by + 1; x <= x2; x++) {
+          if (x >= 0 && x <= PANEL_MAX_X) {
+              setPixel(x, y, 0);
+          }
+      }
+  }
 }
 
-void shiftGivenRectangleRight(unsigned  short x1, unsigned short y1, unsigned short x2, unsigned short y2, unsigned char shift_by)
+void shiftGivenRectangleRight(short x1, short y1, short x2, short y2, unsigned char shift_by)
 {
   if (!shift_by)
   {
@@ -179,22 +200,43 @@ void shiftGivenRectangleRight(unsigned  short x1, unsigned short y1, unsigned sh
   }
   if (x1 > x2)
   {
-    unsigned short tmp = x1; x1 = x2; x2 = tmp;
+    short tmp = x1; x1 = x2; x2 = tmp;
   }
   if (y1 > y2)
   {
-    unsigned short tmp = y1; y1 = y2; y2 = tmp;
+    short tmp = y1; y1 = y2; y2 = tmp;
   }
 
   unsigned short width  = (unsigned short)(x2 - x1 + 1);
   unsigned short height = (unsigned short)(y2 - y1 + 1);
 
-  for (unsigned short i = 0; i < height; i++)
+  for (short i = 0; i < height; i++)
   {
-    for (short j = width + shift_by - 1; j >= 0; j--)
+    short y = y1 + i;
+    if (y < 0 || y > PANEL_MAX_Y) continue;
+
+    for (short j = width - 1; j >= 0; j--)
     {
-      setPixel(x1 + j, y1 + i, getPixelColor(x1 + j - shift_by, y1 + i));
+      short src_x = x1 + j;
-      setPixel(x1 + j - shift_by, y1 + i, 0x00000000);
+      short dest_x = src_x + shift_by;
+
+      uint32_t color = 0;
+      if (src_x >= 0 && src_x <= PANEL_MAX_X) {
+        color = getPixelColor(src_x, y);
+      }
+      
+      if (dest_x >= 0 && dest_x <= PANEL_MAX_X) {
+        setPixel(dest_x, y, color);
+      }
+    }
+  }
+  // Clear the trailing edge that was shifted from
+  for (short y = y1; y <= y2; y++) {
+    if (y < 0 || y > PANEL_MAX_Y) continue;
+    for (short x = x1; x < x1 + shift_by; x++) {
+        if (x >= 0 && x <= PANEL_MAX_X) {
+            setPixel(x, y, 0);
+        }
     }
   }
 }