fix: Remove duplicate zoom state declarations and add zoom indicator

Co-authored-by: aider (deepseek/deepseek-coder) <aider@aider.chat>

gui.c

@@ -61,16 +61,6 @@ static int zoom_focus_channel = 0;    /* which channel is focused when zoomed */
 static const int zoom_levels[] = {1, 2, 4};
 static const char *zoom_labels[] = {"1x", "2x", "4x"};
 
-/* ---------------------------------------------------------------------------
- *  zoom mode state
- * ------------------------------------------------------------------------- */
-static int zoom_enabled = 0;          /* 0 = normal, 1 = zoomed */
-static int zoom_level = 0;            /* 0 = 1x, 1 = 2x, 2 = 4x */
-static int zoom_focus_scene = 0;      /* which scene is focused when zoomed */
-static int zoom_focus_channel = 0;    /* which channel is focused when zoomed */
-static const int zoom_levels[] = {1, 2, 4};
-static const char *zoom_labels[] = {"1x", "2x", "4x"};
-
 /* ---------------------------------------------------------------------------
  *  drawing helpers (stubs for microui)
  * ------------------------------------------------------------------------- */
@@ -141,47 +131,19 @@ static void gui_update(void)
             }
         }
 
-        /* Zoom mode controls */
+        /* zoom indicator */
-        mu_layout_row(ctx, 2, (int[]) { 60, -1 }, 0);
-        mu_label(ctx, "Zoom:");
-        if (mu_button(ctx, zoom_enabled ? "Disable" : "Enable")) {
-            zoom_enabled = !zoom_enabled;
-            if (!zoom_enabled) {
-                zoom_focus_scene = 0;
-                zoom_focus_channel = 0;
-            }
-        }
-        
-        if (zoom_enabled) {
-            mu_layout_row(ctx, 2, (int[]) { 60, -1 }, 0);
-            mu_label(ctx, "Level:");
-            if (mu_button(ctx, zoom_labels[zoom_level])) {
-                zoom_level = (zoom_level + 1) % 3;
-            }
-            
-            mu_layout_row(ctx, 2, (int[]) { 60, -1 }, 0);
-            mu_label(ctx, "Scene:");
-            {
-                char buf[32];
-                snprintf(buf, sizeof(buf), "%d", zoom_focus_scene + 1);
-                if (mu_button(ctx, buf)) {
-                    /* click to reset? no action needed */
-                }
-            }
-            
-            mu_layout_row(ctx, 2, (int[]) { 60, -1 }, 0);
-            mu_label(ctx, "Channel:");
-            {
-                char buf[32];
-                snprintf(buf, sizeof(buf), "%d", zoom_focus_channel + 1);
-                if (mu_button(ctx, buf)) {
-                    /* click to reset? no action needed */
-                }
-            }
-            
-            /* Navigation hint */
         mu_layout_row(ctx, 1, (int[]) { -1 }, 0);
-            mu_label(ctx, "Use arrow keys to navigate when zoomed");
+        {
+            char buf[64];
+            if (zoom_enabled) {
+                snprintf(buf, sizeof(buf), "Zoom: %s  Scene:%d  Channel:%d",
+                         zoom_labels[zoom_level],
+                         zoom_focus_scene + 1,
+                         zoom_focus_channel + 1);
+            } else {
+                snprintf(buf, sizeof(buf), "Zoom: Off");
+            }
+            mu_label(ctx, buf);
         }
 
         /* Zoom mode controls */