Cache data: show warning when it exceeds 1Gb

src/project/dialogs/temporarydata.cpp

@@ -175,6 +175,9 @@ TemporaryData::TemporaryData(KdenliveDoc *doc, bool currentProjectOnly, QWidget
                                  "files used for faster editing. Deleting is safe, proxy clips can be recreated if you have the original source clips."));
     connect(help_cached, &QToolButton::clicked, this, [this]() { QToolTip::showText(QCursor::pos(), help_cached->toolTip()); });
 
+    // Cache info message
+    cache_info->hide();
+
     processBackupDirectories();
 
     connect(listWidget, &QTreeWidget::itemSelectionChanged, this, &TemporaryData::refreshGlobalPie);
@@ -622,6 +625,14 @@ void TemporaryData::gotFolderSize(KJob *job)
     listWidget->resizeColumnToContents(0);
     listWidget->resizeColumnToContents(1);
     if (m_globalDirectories.isEmpty()) {
+        // Processing done, check total size
+        if (m_totalGlobal > 1048576000) {
+            // Cache larger than 1 GB, warn
+            cache_info->setText(i18n("Your cached data exceeds 1Gb, cleanup is recommended."));
+            cache_info->animatedShow();
+        } else {
+            cache_info->animatedHide();
+        }
         gTotalSize->setText(KIO::convertSize(m_totalGlobal));
         listWidget->setCurrentItem(listWidget->topLevelItem(0));
     } else {

src/ui/managecache_ui.ui

@@ -656,6 +656,16 @@
          </item>
         </layout>
        </item>
+       <item>
+        <widget class="KMessageWidget" name="cache_info">
+         <property name="wordWrap">
+          <bool>true</bool>
+         </property>
+         <property name="messageType">
+          <enum>KMessageWidget::Warning</enum>
+         </property>
+        </widget>
+       </item>
       </layout>
      </widget>
     </widget>
@@ -672,6 +682,13 @@
    </item>
   </layout>
  </widget>
+ <customwidgets>
+  <customwidget>
+   <class>KMessageWidget</class>
+   <extends>QFrame</extends>
+   <header>kmessagewidget.h</header>
+  </customwidget>
+ </customwidgets>
  <resources/>
  <connections>
   <connection>