[ui][screeshots] improvement: 'loading' message displays the amount of images being loaded

CHANGELOG.md

@@ -28,7 +28,9 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/).
 - UI
     - root dialog design and behavior
     - tooltip for the label displaying the number of applications on the table/available [#138](https://github.com/vinifmor/bauh/issues/138)
-    - screenshots dialog resizing behavior
+    - screenshots: 
+        - dialog resizing behavior
+        - "loading" message displays the amount of images being loaded
     - "name filter" now requires ENTER or click to be triggered
     - some app actions icons are now displayed with a different picture when disabled to prevent confusion (e.g: launch, screenshots) [#138](https://github.com/vinifmor/bauh/issues/138)
     - suggestions button moved to the lower bar (label removed)

bauh/view/qt/screenshots.py

@@ -111,7 +111,7 @@ class ScreenshotsDialog(QDialog):
         else:
             self.img.setPixmap(QPixmap())
             self.img.setCursor(QCursor(Qt.WaitCursor))
-            self.img.setText('{}...'.format(self.i18n['screenshots.image.loading']))
+            self.img.setText('{} {}/{}...'.format(self.i18n['screenshots.image.loading'], self.img_idx + 1, len(self.screenshots)))
             self.progress_bar.setVisible(True)
             self.thread_progress.start()