Update

util/texteditor.c

@@ -17,8 +17,8 @@ void init_editor(TextEditor *editor, BitmapFont *font, int x, int y, SDL_Rendere
     editor->cursor_line_offset = 0;
     editor->cursor_pos = 0;
     editor->readOnly = 0;
-    editor->rect.x = 0;
-    editor->rect.y = 0;
+    editor->rect.x = 2;
+    editor->rect.y = 2;
     editor->rect.w = MAX_LINE_WIDTH * (font->size + 1);
     editor->rect.h = MAX_LINES_DISPLAY * (font->size + 4);
     editor->outRect = editor->rect;
@@ -30,7 +30,7 @@ void init_editor(TextEditor *editor, BitmapFont *font, int x, int y, SDL_Rendere
 }
 
 // Insert a new line at a specific position
-void insert_line(TextEditor *editor, int position, const char *text) {
+void insert_line(TextEditor *editor, int position, const char *text, SDL_Renderer *renderer) {
     if (editor->line_count >= MAX_LINES_ASM || position < 0 || position > editor->line_count) {
         printf("Invalid position or max lines reached!\n");
         return;
@@ -47,11 +47,12 @@ void insert_line(TextEditor *editor, int position, const char *text) {
     editor->lines[position].active = 1;
 
     editor->line_count++;
+    generate_string_display(editor, renderer);
 }
 
-void insert_line_rel(TextEditor *editor) {
+void insert_line_rel(TextEditor *editor, SDL_Renderer *renderer) {
     editor->cursor_pos = 0;
-    insert_line(editor, editor->cursor_line + 1, "");
+    insert_line(editor, editor->cursor_line + 1, "", renderer);
     editor->cursor_line++;
 }
 
@@ -80,6 +81,46 @@ void insert_character(TextEditor *editor, char ch, SDL_Renderer *renderer) {
     generate_string_display(editor, renderer);
 }
 
+void remove_character(TextEditor *editor, SDL_Renderer *renderer) {
+    if (editor->cursor_line < 0 || editor->cursor_line >= editor->line_count) {
+        printf("Invalid cursor position!\n");
+        return;
+    }
+
+    if (editor->cursor_pos == 0 && editor->line_count > 1) {
+        // Remove the current line and shift lines up
+        for (int i = editor->cursor_line; i < editor->line_count - 1; i++) {
+            strcpy(editor->lines[i].text, editor->lines[i + 1].text);
+            editor->lines[i].active = editor->lines[i + 1].active;
+        }
+        editor->lines[editor->line_count - 1].text[0] = '\0';
+        editor->lines[editor->line_count - 1].active = 0;
+        editor->line_count--;
+        if (editor->cursor_line >= editor->line_count) {
+            editor->cursor_line = editor->line_count - 1;
+        }
+        editor->cursor_pos = strlen(editor->lines[editor->cursor_line].text);
+    } else {
+        Line *line = &editor->lines[editor->cursor_line];
+        int len = strlen(line->text);
+
+        if (editor->cursor_pos <= 0 || editor->cursor_pos > len) {
+            printf("Position out of bounds!\n");
+            return;
+        }
+
+        // Shift characters to the left to remove the character
+        for (int i = editor->cursor_pos - 1; i < len; i++) {
+            line->text[i] = line->text[i + 1];
+        }
+
+        editor->cursor_pos--;
+    }
+
+    generate_string_display(editor, renderer);
+}
+
+
 // Move cursor
 void move_cursor_relative(TextEditor *editor, int line_offset, int pos_offset) {
     int new_line = editor->cursor_line + line_offset;
@@ -127,27 +168,41 @@ void generate_string_display(TextEditor *editor, SDL_Renderer *renderer) {
     charRect.w = editor->font->size;
     charRect.h = editor->font->size;
     SDL_Rect outRect = charRect;
-    outRect.x = 0;
-    outRect.y = 0;
+    outRect.x = 3;
+    outRect.y = 2;
 
-    for (int i = editor->cursor_line_offset; i < end_line; i++) {
-        if (editor->lines[i].active) {
-            strcat(editor->displayString, editor->lines[i].text);
-            char *linePTR = editor->lines[i].text;
+    SDL_Rect cursorRect;
+    cursorRect.x = 0;
+    cursorRect.y = 0;
+    cursorRect.w = 1;
+    cursorRect.h = editor->font->size;
+
+    for (int line = editor->cursor_line_offset; line < end_line; line++) {
+        if (editor->lines[line].active) {
+            strcat(editor->displayString, editor->lines[line].text);
+            char *linePTR = editor->lines[line].text;
+            int charIndex = 0;
             while (*linePTR) {
                 SDL_RenderCopy(renderer, editor->font->texture[*linePTR], &charRect, &outRect);
                 outRect.x += charRect.w + 1;
+                if (line == editor->cursor_line && charIndex == editor->cursor_pos - 1) {
+                    cursorRect.x = outRect.x;
+                    cursorRect.y = outRect.y;
+                }
+                charIndex++;
                 linePTR++;
             }
             strcat(editor->displayString, "\n");
-            outRect.x = 0;
-            outRect.y += charRect.h + 4;
+            outRect.x = 3;
+            outRect.y += charRect.h + 1;
         }
     }
+    SDL_SetRenderDrawColor(renderer, 255, 255, 255, 255);
+    SDL_RenderFillRect(renderer, &cursorRect);
     SDL_SetRenderTarget(renderer, NULL);
 }
 
-void editor_render(TextEditor *editor, SDL_Renderer * renderer) {
+void editor_render(TextEditor *editor, SDL_Renderer *renderer) {
     SDL_RenderCopy(renderer, editor->texture, &editor->rect, &editor->outRect);
 }