menu: clear cache item

Fixes #1305

app/dialog/diskcache/diskcachedialog.cpp

@@ -26,6 +26,7 @@
 #include <QMessageBox>
 
 #include "config/config.h"
+#include "core.h"
 
 namespace olive {
 
@@ -53,7 +54,7 @@ DiskCacheDialog::DiskCacheDialog(DiskCacheFolder *folder, QWidget* parent) :
   row++;
 
   clear_cache_btn_ = new QPushButton(tr("Clear Disk Cache"));
-  connect(clear_cache_btn_, &QPushButton::clicked, this, &DiskCacheDialog::ClearDiskCache);
+  connect(clear_cache_btn_, &QPushButton::clicked, this, static_cast<void(DiskCacheDialog::*)()>(&DiskCacheDialog::ClearDiskCache));
   layout->addWidget(clear_cache_btn_, row, 1);
 
   row++;
@@ -86,20 +87,25 @@ void DiskCacheDialog::accept()
 
 void DiskCacheDialog::ClearDiskCache()
 {
-  if (QMessageBox::question(this,
-                            tr("Clear Disk Cache"),
-                            tr("Are you sure you want to clear the disk cache in '%1'?").arg(Config::Current()["DiskCachePath"].toString()),
-                            QMessageBox::Yes | QMessageBox::No) == QMessageBox::Yes) {
-    clear_cache_btn_->setEnabled(false);
+  ClearDiskCache(folder_->GetPath(), this, clear_cache_btn_);
+}
 
-    if (DiskManager::instance()->ClearDiskCache(folder_->GetPath())) {
-      clear_cache_btn_->setText(tr("Disk Cache Cleared"));
+void DiskCacheDialog::ClearDiskCache(const QString &path, QWidget *parent, QPushButton *clear_btn)
+{
+  if (QMessageBox::question(parent,
+                            tr("Clear Disk Cache"),
+                            tr("Are you sure you want to clear the disk cache in '%1'?").arg(path),
+                            QMessageBox::Yes | QMessageBox::No) == QMessageBox::Yes) {
+    if (clear_btn) clear_btn->setEnabled(false);
+
+    if (DiskManager::instance()->ClearDiskCache(path)) {
+      if (clear_btn) clear_btn->setText(tr("Disk Cache Cleared"));
     } else {
-      QMessageBox::information(this,
+      QMessageBox::information(parent,
                                tr("Clear Disk Cache"),
                                tr("Disk cache failed to fully clear. You may have to delete the cache files manually."),
                                QMessageBox::Ok);
-      clear_cache_btn_->setText(tr("Disk Cache Partially Cleared"));
+      if (clear_btn) clear_btn->setText(tr("Disk Cache Partially Cleared"));
     }
   }
 }

app/dialog/diskcache/diskcachedialog.h

@@ -36,6 +36,8 @@ class DiskCacheDialog : public QDialog
 public:
   DiskCacheDialog(DiskCacheFolder* folder, QWidget* parent = nullptr);
 
+  static void ClearDiskCache(const QString &path, QWidget *parent, QPushButton *clear_btn = nullptr);
+
 public slots:
   virtual void accept() override;
 

app/window/mainwindow/mainmenu.cpp

@@ -28,6 +28,7 @@
 #include "config/config.h"
 #include "core.h"
 #include "dialog/actionsearch/actionsearch.h"
+#include "dialog/diskcache/diskcachedialog.h"
 #include "dialog/task/task.h"
 #include "panel/panelmanager.h"
 #include "tool/tool.h"
@@ -171,6 +172,10 @@ MainMenu::MainMenu(MainWindow *parent) :
   sequence_cache_item_ = sequence_menu_->AddItem("seqcache", this, &MainMenu::SequenceCacheTriggered);
   sequence_cache_in_to_out_item_ = sequence_menu_->AddItem("seqcacheinout", this, &MainMenu::SequenceCacheInOutTriggered);
 
+  sequence_menu_->addSeparator();
+
+  sequence_disk_cache_clear_item_ = sequence_menu_->AddItem("seqcacheclear", this, &MainMenu::SequenceCacheClearTriggered);
+
   //
   // WINDOW MENU
   //
@@ -614,6 +619,14 @@ void MainMenu::SequenceCacheInOutTriggered()
   Core::instance()->CacheActiveSequence(true);
 }
 
+void MainMenu::SequenceCacheClearTriggered()
+{
+  DiskCacheDialog::ClearDiskCache(
+        Core::instance()->GetActiveProject()->cache_path(),
+        Core::instance()->main_window()
+        );
+}
+
 void MainMenu::HelpFeedbackTriggered()
 {
   QDesktopServices::openUrl(QStringLiteral("https://github.com/olive-editor/olive/issues"));
@@ -686,6 +699,7 @@ void MainMenu::Retranslate()
   sequence_menu_->setTitle(tr("&Sequence"));
   sequence_cache_item_->setText(tr("Cache Entire Sequence"));
   sequence_cache_in_to_out_item_->setText(tr("Cache Sequence In/Out"));
+  sequence_disk_cache_clear_item_->setText(tr("Clear Disk Cache"));
 
   // Window menu
   window_menu_->setTitle(tr("&Window"));

app/window/mainwindow/mainmenu.h

@@ -179,6 +179,7 @@ private slots:
 
   void SequenceCacheTriggered();
   void SequenceCacheInOutTriggered();
+  void SequenceCacheClearTriggered();
 
   void HelpFeedbackTriggered();
 
@@ -249,6 +250,7 @@ private:
   Menu* sequence_menu_;
   QAction* sequence_cache_item_;
   QAction* sequence_cache_in_to_out_item_;
+  QAction* sequence_disk_cache_clear_item_;
 
   Menu* window_menu_;
   QAction* window_menu_separator_;