library: added busy indicator

git-svn-id: http://svn.code.sf.net/p/qmmp-dev/code/trunk/qmmp@9768 90c681e8-e032-0410-971d-27865f9a5e38

3 files changed, 35 insertions, 3 deletions

diff --git a/src/plugins/General/library/library.cpp b/src/plugins/General/library/library.cpp
index c286e5878..b174f4fa8 100644
--- a/src/plugins/General/library/library.cpp
+++ b/src/plugins/General/library/library.cpp
@@ -76,7 +76,7 @@ Library::Library(QPointer<LibraryWidget> *libraryWidget, QObject *parent) :
     connect(&m_watcher, &QFutureWatcher<bool>::finished, [=] {
         if(!m_libraryWidget->isNull())
         {
-            m_libraryWidget->data()->setEnabled(true);
+            m_libraryWidget->data()->setBusyMode(false);
             m_libraryWidget->data()->refresh();
         }
     });
@@ -125,7 +125,7 @@ void Library::startDirectoryScanning()
     m_future = QtConcurrent::run(this, &Library::scanDirectories, m_dirs);
     m_watcher.setFuture(m_future);
     if(!m_libraryWidget->isNull())
-        m_libraryWidget->data()->setEnabled(false);
+        m_libraryWidget->data()->setBusyMode(true);
 }
 
 bool Library::createTables()
diff --git a/src/plugins/General/library/librarywidget.cpp b/src/plugins/General/library/librarywidget.cpp
index d31ac585a..790ed410d 100644
--- a/src/plugins/General/library/librarywidget.cpp
+++ b/src/plugins/General/library/librarywidget.cpp
@@ -22,6 +22,7 @@
 #include <QMenu>
 #include <QContextMenuEvent>
 #include <QIcon>
+#include <QLabel>
 #include <qmmp/qmmp.h>
 #include "librarymodel.h"
 #include "ui_librarywidget.h"
@@ -74,6 +75,33 @@ void LibraryWidget::refresh()
     m_model->refresh();
 }
 
+void LibraryWidget::setBusyMode(bool enabled)
+{
+    if(m_busyIndicator)
+    {
+        delete m_busyIndicator;
+        m_busyIndicator = nullptr;
+    }
+
+    if(enabled)
+    {
+        m_busyIndicator = new QLabel(tr("Scanning of directories..."), this);
+        m_busyIndicator->setFrameShape(QFrame::Box);
+        m_busyIndicator->resize(m_busyIndicator->sizeHint());
+        m_busyIndicator->move(width() / 2 - m_busyIndicator->width() / 2 , height() / 2 - m_busyIndicator->height() / 2);
+        m_busyIndicator->setAutoFillBackground(true);
+        m_busyIndicator->show();
+
+        m_ui->treeView->setEnabled(false);
+        m_ui->filterLineEdit->setEnabled(false);
+    }
+    else
+    {
+        m_ui->treeView->setEnabled(true);
+        m_ui->filterLineEdit->setEnabled(true);
+    }
+}
+
 void LibraryWidget::closeEvent(QCloseEvent *)
 {
     if(isWindow())
diff --git a/src/plugins/General/library/librarywidget.h b/src/plugins/General/library/librarywidget.h
index 31f7b9c1d..e590e59c9 100644
--- a/src/plugins/General/library/librarywidget.h
+++ b/src/plugins/General/library/librarywidget.h
@@ -29,9 +29,10 @@ class LibraryWidget;
 
 class QMenu;
 class QAction;
-class LibraryModel;
 class QContextMenuEvent;
 class QCloseEvent;
+class QLabel;
+class LibraryModel;
 
 class LibraryWidget : public QWidget
 {
@@ -41,6 +42,8 @@ public:
     ~LibraryWidget();
     void refresh();
 
+    void setBusyMode(bool enabled);
+
 private:
     void closeEvent(QCloseEvent *) override;
     void contextMenuEvent(QContextMenuEvent *e) override;
@@ -55,6 +58,7 @@ private:
     LibraryModel *m_model;
     QMenu *m_menu;
     QAction *m_filterAction;
+    QLabel *m_busyIndicator = nullptr;
 };
 
 #endif // LIBRARYWIDGET_H