Add a little spinner

src/library.cpp

@@ -51,7 +51,11 @@ void Library::BackendInitialised() {
 }
 
 void Library::WatcherInitialised() {
+  connect(watcher_->Worker().get(), SIGNAL(ScanStarted()), SIGNAL(ScanStarted()));
+  connect(watcher_->Worker().get(), SIGNAL(ScanFinished()), SIGNAL(ScanFinished()));
+
   watcher_->Worker()->SetEngine(engine_);
+
   if (--waiting_for_threads_ == 0)
     Initialise();
 }

src/library.h

@@ -45,6 +45,9 @@ class Library : public SimpleTreeModel<LibraryItem> {
   void Error(const QString& message);
   void TotalSongCountUpdated(int count);
 
+  void ScanStarted();
+  void ScanFinished();
+
  public slots:
   void ShowConfig();
 

src/mainwindow.cpp

@@ -11,6 +11,7 @@
 #include "osd.h"
 #include "trackslider.h"
 #include "edittagdialog.h"
+#include "multiloadingindicator.h"
 
 #include "qxtglobalshortcut.h"
 
@@ -36,6 +37,7 @@ MainWindow::MainWindow(QWidget *parent)
     osd_(new OSD(tray_icon_, this)),
     track_slider_(new TrackSlider(this)),
     edit_tag_dialog_(new EditTagDialog(this)),
+    multi_loading_indicator_(new MultiLoadingIndicator(this)),
     radio_model_(new RadioModel(this)),
     playlist_(new Playlist(this)),
     player_(new Player(playlist_, radio_model_->GetLastFMService(), this)),
@@ -135,6 +137,8 @@ MainWindow::MainWindow(QWidget *parent)
   connect(ui_.library_view, SIGNAL(doubleClicked(QModelIndex)), SLOT(LibraryDoubleClick(QModelIndex)));
   connect(ui_.library_view, SIGNAL(ShowConfigDialog()), library_, SLOT(ShowConfig()));
   connect(library_, SIGNAL(TotalSongCountUpdated(int)), ui_.library_view, SLOT(TotalSongCountUpdated(int)));
+  connect(library_, SIGNAL(ScanStarted()), SLOT(LibraryScanStarted()));
+  connect(library_, SIGNAL(ScanFinished()), SLOT(LibraryScanFinished()));
 
   // Age filters
   QActionGroup* filter_age_group = new QActionGroup(this);
@@ -220,6 +224,8 @@ MainWindow::MainWindow(QWidget *parent)
 
   // Statusbar widgets
   ui_.statusBar->addPermanentWidget(track_slider_);
+  ui_.statusBar->addWidget(multi_loading_indicator_);
+  multi_loading_indicator_->hide();
 
   // Load theme
   QFile stylesheet(":mainwindow.css");
@@ -491,3 +497,11 @@ void MainWindow::EditTracks() {
 
   playlist_->ReloadItems(rows);
 }
+
+void MainWindow::LibraryScanStarted() {
+  multi_loading_indicator_->TaskStarted("Updating library");
+}
+
+void MainWindow::LibraryScanFinished() {
+  multi_loading_indicator_->TaskFinished("Updating library");
+}

src/mainwindow.h

@@ -16,6 +16,7 @@ class RadioItem;
 class OSD;
 class TrackSlider;
 class EditTagDialog;
+class MultiLoadingIndicator;
 
 class QSortFilterProxyModel;
 class SystemTrayIcon;
@@ -63,6 +64,9 @@ class MainWindow : public QMainWindow {
   void ScrobblingEnabledChanged(bool value);
   void Love();
 
+  void LibraryScanStarted();
+  void LibraryScanFinished();
+
  private:
   void SaveGeometry();
 
@@ -75,6 +79,7 @@ class MainWindow : public QMainWindow {
   OSD* osd_;
   TrackSlider* track_slider_;
   EditTagDialog* edit_tag_dialog_;
+  MultiLoadingIndicator* multi_loading_indicator_;
 
   RadioModel* radio_model_;
   Playlist* playlist_;

src/multiloadingindicator.cpp

@@ -0,0 +1,26 @@
+#include "multiloadingindicator.h"
+
+MultiLoadingIndicator::MultiLoadingIndicator(QWidget *parent)
+  : QWidget(parent)
+{
+  ui_.setupUi(this);
+}
+
+void MultiLoadingIndicator::TaskStarted(const QString &name) {
+  tasks_ << name;
+
+  UpdateText();
+  show();
+}
+
+void MultiLoadingIndicator::TaskFinished(const QString &name) {
+  tasks_.removeAll(name);
+
+  UpdateText();
+  if (tasks_.count() == 0)
+    hide();
+}
+
+void MultiLoadingIndicator::UpdateText() {
+  ui_.text->setText(tasks_.join(", ") + "...");
+}

src/multiloadingindicator.h

@@ -0,0 +1,27 @@
+#ifndef MULTILOADINGINDICATOR_H
+#define MULTILOADINGINDICATOR_H
+
+#include <QWidget>
+
+#include "ui_multiloadingindicator.h"
+
+class MultiLoadingIndicator : public QWidget {
+  Q_OBJECT
+
+ public:
+  MultiLoadingIndicator(QWidget* parent = 0);
+
+ public slots:
+  void TaskStarted(const QString& name);
+  void TaskFinished(const QString& name);
+
+ private:
+  void UpdateText();
+
+ private:
+  Ui::MultiLoadingIndicator ui_;
+
+  QStringList tasks_;
+};
+
+#endif // MULTILOADINGINDICATOR_H

src/multiloadingindicator.ui

@@ -0,0 +1,56 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<ui version="4.0">
+ <class>MultiLoadingIndicator</class>
+ <widget class="QWidget" name="MultiLoadingIndicator">
+  <property name="geometry">
+   <rect>
+    <x>0</x>
+    <y>0</y>
+    <width>191</width>
+    <height>24</height>
+   </rect>
+  </property>
+  <property name="windowTitle">
+   <string>Form</string>
+  </property>
+  <layout class="QHBoxLayout" name="horizontalLayout">
+   <property name="spacing">
+    <number>6</number>
+   </property>
+   <property name="leftMargin">
+    <number>6</number>
+   </property>
+   <property name="topMargin">
+    <number>4</number>
+   </property>
+   <property name="rightMargin">
+    <number>6</number>
+   </property>
+   <property name="bottomMargin">
+    <number>4</number>
+   </property>
+   <item>
+    <widget class="BusyIndicator" name="spinner">
+     <property name="sizePolicy">
+      <sizepolicy hsizetype="Fixed" vsizetype="Preferred">
+       <horstretch>0</horstretch>
+       <verstretch>0</verstretch>
+      </sizepolicy>
+     </property>
+    </widget>
+   </item>
+   <item>
+    <widget class="QLabel" name="text"/>
+   </item>
+  </layout>
+ </widget>
+ <customwidgets>
+  <customwidget>
+   <class>BusyIndicator</class>
+   <extends>QLabel</extends>
+   <header>busyindicator.h</header>
+  </customwidget>
+ </customwidgets>
+ <resources/>
+ <connections/>
+</ui>

src/radioloadingindicator.cpp

@@ -6,6 +6,7 @@ RadioLoadingIndicator::RadioLoadingIndicator(QWidget *parent)
   : QWidget(parent)
 {
   ui_.setupUi(this);
+  ui_.text->setText("<b>Loading radio stream...</b>");
 }
 
 void RadioLoadingIndicator::paintEvent(QPaintEvent*) {

src/radioloadingindicator.ui

@@ -6,7 +6,7 @@
    <rect>
     <x>0</x>
     <y>0</y>
-    <width>160</width>
+    <width>191</width>
     <height>24</height>
    </rect>
   </property>
@@ -30,11 +30,7 @@
     <number>4</number>
    </property>
    <item>
-    <widget class="QLabel" name="text">
+    <widget class="QLabel" name="text"/>
-     <property name="text">
-      <string>&lt;span style=&quot; font-weight:600;&quot;&gt;Loading radio stream...&lt;/span&gt;</string>
-     </property>
-    </widget>
    </item>
    <item>
     <widget class="BusyIndicator" name="spinner">

src/src.pro

@@ -47,7 +47,8 @@ SOURCES += main.cpp \
     osd.cpp \
     trackslider.cpp \
     edittagdialog.cpp \
-    lineedit.cpp
+    lineedit.cpp \
+    multiloadingindicator.cpp
 HEADERS += mainwindow.h \
     player.h \
     library.h \
@@ -95,7 +96,8 @@ HEADERS += mainwindow.h \
     osd.h \
     trackslider.h \
     edittagdialog.h \
-    lineedit.h
+    lineedit.h \
+    multiloadingindicator.h
 FORMS += mainwindow.ui \
     libraryconfig.ui \
     fileview.ui \
@@ -103,7 +105,8 @@ FORMS += mainwindow.ui \
     radioloadingindicator.ui \
     lastfmstationdialog.ui \
     trackslider.ui \
-    edittagdialog.ui
+    edittagdialog.ui \
+    multiloadingindicator.ui
 RESOURCES += ../data/data.qrc
 OTHER_FILES += ../data/schema.sql \
     ../data/mainwindow.css