added logging to current loaded image

main/lcd/ui_image_browser.c

@@ -3,6 +3,7 @@
 #include <stddef.h>
 #include <stdint.h>
 #include <stdio.h>
+#include <stdlib.h>
 #include <string.h>
 
 #include "lvgl.h"
@@ -24,13 +25,30 @@ static lv_obj_t *image_tileview = NULL;
 static lv_timer_t *image_slideshow_timer = NULL;
 static size_t image_browser_image_count = 0;
 static size_t image_browser_current_index = 0;
+static const char **image_browser_names = NULL;
+static size_t image_browser_last_logged_index = SIZE_MAX;
 static const char *TAG = "ui";
 
+static void ui_image_browser_log_current(void){
+    if(image_browser_current_index == image_browser_last_logged_index) return;
+    image_browser_last_logged_index = image_browser_current_index;
+
+    const char *filename = "?";
+    if(image_browser_names != NULL && image_browser_current_index < image_browser_image_count){
+        filename = image_browser_names[image_browser_current_index];
+    }
+    ui_log_appendf("Show %u/%u: %s",
+                   (unsigned int)(image_browser_current_index + 1),
+                   (unsigned int)image_browser_image_count,
+                   filename);
+}
+
 static void ui_image_browser_set_index(size_t image_index, lv_anim_enable_t anim_en){
     if(image_tileview == NULL || image_browser_image_count == 0) return;
 
     image_browser_current_index = image_index % image_browser_image_count;
     lv_tileview_set_tile_by_index(image_tileview, 0, (uint32_t)image_browser_current_index, anim_en);
+    ui_image_browser_log_current();
 }
 
 static void ui_image_slideshow_timer_cb(lv_timer_t *timer){
@@ -52,6 +70,7 @@ static void ui_image_browser_value_changed_event_cb(lv_event_t *event){
     if(active_tile == NULL) return;
 
     image_browser_current_index = (size_t)(uintptr_t)lv_obj_get_user_data(active_tile);
+    ui_image_browser_log_current();
 }
 
 static bool ui_char_equals_ignore_case(char left_char, char right_char){
@@ -250,6 +269,11 @@ static void ui_create_image_tile(lv_obj_t *tile, const char *filename, size_t im
         lv_obj_set_width(error_label, LV_PCT(86));
         lv_obj_align(error_label, LV_ALIGN_CENTER, 0, -18);
     }
+    else{
+        ui_log_appendf("Loaded %u/%u: %s (%dx%d)",
+                       (unsigned int)(image_index + 1), (unsigned int)image_count, filename,
+                       (int)lv_image_get_src_width(image), (int)lv_image_get_src_height(image));
+    }
 }
 
 static void ui_create_image_browser_tiles(size_t image_count){
@@ -262,6 +286,7 @@ static void ui_create_image_browser_tiles(size_t image_count){
 
         lv_obj_t *tile = lv_tileview_add_tile(image_tileview, 0, (uint32_t)image_index, ui_get_tile_directions(image_index, image_count));
         lv_obj_set_user_data(tile, (void *)(uintptr_t)image_index);
+        if(image_browser_names != NULL) image_browser_names[image_index] = filename;
         ui_create_image_tile(tile, filename, image_index, image_count);
         image_index++;
     }
@@ -287,6 +312,7 @@ void ui_image_browser_build_view(lv_obj_t *screen){
     lv_obj_set_scrollbar_mode(image_tileview, LV_SCROLLBAR_MODE_OFF);
     lv_obj_add_event_cb(image_tileview, ui_image_browser_value_changed_event_cb, LV_EVENT_VALUE_CHANGED, NULL);
     image_browser_image_count = image_count;
+    image_browser_names = calloc(image_count, sizeof(const char *));
 
     ui_create_image_browser_tiles(image_count);
     ui_image_browser_set_index(0, LV_ANIM_OFF);
@@ -299,9 +325,12 @@ void ui_image_browser_reset(void){
         image_slideshow_timer = NULL;
     }
 
+    free((void *)image_browser_names);
+    image_browser_names = NULL;
     image_tileview = NULL;
     image_browser_image_count = 0;
     image_browser_current_index = 0;
+    image_browser_last_logged_index = SIZE_MAX;
 }
 
 size_t ui_image_browser_get_image_count(void){