Improve management of cached data, allow cleaning cache data older than x months

src/kdenlivesettings.kcfg

@@ -28,6 +28,10 @@
   </group>
 
   <group name="misc">
+    <entry name="cleanCacheMonths" type="Int">
+      <label>Number of months to discard cache data.</label>
+      <default>6</default>
+    </entry>
     <entry name="openlastproject" type="Bool">
       <label>Open last project on startup.</label>
       <default>false</default>
@@ -961,7 +965,7 @@
       <label>Show additional controls in the c0rners on-monitor widget.</label>
       <default>false</default>
     </entry>
-    
+
     <entry name="projectloading_avformatnovalidate" type="Bool">
       <label>Do not validate the video files when loading a project for the sake of speed.</label>
       <default>false</default>
@@ -971,12 +975,12 @@
       <label>Display audio levels.</label>
       <default>true</default>
     </entry>
-    
+
     <entry name="enable_recording_preview" type="Bool">
       <label>Should we display video frames while capturing.</label>
       <default>true</default>
     </entry>
-    
+
     <entry name="add_new_clip" type="Bool">
       <label>Add cut clips to project after transcoding.</label>
       <default>true</default>

src/kdenliveui.rc

 <!DOCTYPE kpartgui SYSTEM "kpartgui.dtd">
-<kpartgui name="kdenlive" version="184" translationDomain="kdenlive">
+<kpartgui name="kdenlive" version="185" translationDomain="kdenlive">
   <MenuBar>
     <Menu name="file" >
       <Action name="file_save"/>
@@ -242,6 +242,7 @@
       <ActionList name="dock_actions" />
     </Menu>
     <Menu name="settings" >
+      <Action name="manage_cache" />
       <Action name="run_wizard" />
       <Menu name="qt_opengl" ><text>OpenGL Backend</text>
         <Action name="opengl_auto" />

src/project/dialogs/temporarydata.h

@@ -34,6 +34,7 @@ class QLabel;
 class QGridLayout;
 class QTreeWidget;
 class QPushButton;
+class QToolButton;
 
 /**
  * @class ChartWidget
@@ -101,11 +102,13 @@ private:
     ChartWidget *m_globalPie;
     QLabel *m_previewSize;
     QLabel *m_proxySize;
+    QLabel *m_totalProxySize;
     QLabel *m_audioSize;
     QLabel *m_thumbSize;
     QLabel *m_currentSize;
     QLabel *m_globalSize;
     QLabel *m_selectedSize;
+    QLabel *m_backupSize;
     QWidget *m_currentPage;
     QWidget *m_globalPage;
     QTreeWidget *m_listWidget;
@@ -117,12 +120,14 @@ private:
     QString m_processingDirectory;
     QDir m_globalDir;
     QStringList m_proxies;
-    QPushButton *m_globalDelete;
+    QToolButton *m_globalDelete;
     void updateDataInfo();
     void updateGlobalInfo();
     void updateTotal();
     void buildGlobalCacheDialog(int minHeight);
     void processglobalDirectories();
+    void processBackupDirectories();
+    void processProxyDirectory();
 
 private slots:
     void gotPreviewSize(KJob *job);
@@ -130,14 +135,21 @@ private slots:
     void gotAudioSize(KJob *job);
     void gotThumbSize(KJob *job);
     void gotFolderSize(KJob *job);
+    void gotBackupSize(KJob *job);
+    void gotProjectProxySize(KJob *job);
     void refreshGlobalPie();
     void deletePreview();
+    void deleteProjectProxy();
     void deleteProxy();
     void deleteAudio();
     void deleteThumbs();
     void deleteCurrentCacheData();
+    void deleteBackup();
+    void cleanBackup();
     void openCacheFolder();
     void deleteSelected();
+    void cleanCache();
+    void cleanProxy();
 
 signals:
     void disableProxies();