GUI - add preference and menu item for hiding/showing code context

app/gui/qt/mainwindow.cpp

@@ -543,6 +543,7 @@ void MainWindow::setupWindowStructure() {
 
     connect(settingsWidget, SIGNAL(checkUpdatesChanged()), this, SLOT(update_check_updates()));
     connect(settingsWidget, SIGNAL(forceCheckUpdates()), this, SLOT(check_for_updates_now()));
+    connect(settingsWidget, SIGNAL(showContextChanged()), this, SLOT(changeShowContext()));
 
     connect(this, SIGNAL(settingsChanged()), settingsWidget, SLOT(settingsChanged()));
 
@@ -1296,6 +1297,7 @@ void MainWindow::honourPrefs() {
     toggleIcons();
     scope();
     changeShowAutoCompletion();
+    changeShowContext();
 }
 
 void MainWindow::setMessageBoxStyle() {
@@ -1987,6 +1989,12 @@ void MainWindow::showAutoCompletionMenuChanged() {
   changeShowAutoCompletion();
 }
 
+void MainWindow::showContextMenuChanged() {
+  piSettings->show_context = showContextAct->isChecked();
+  emit settingsChanged();
+  changeShowContext();
+}
+
 void MainWindow::changeShowLineNumbers(){
 
     bool show = piSettings->show_line_numbers;
@@ -2022,6 +2030,21 @@ void MainWindow::changeShowAutoCompletion() {
     showAutoCompletionAct->setChecked(piSettings->show_autocompletion);
 }
 
+void MainWindow::changeShowContext() {
+  bool show = piSettings->show_context;
+  if(show) {
+      statusBar()->showMessage(tr("Show context on"), 2000);
+      contextWidget->show();
+    } else {
+      statusBar()->showMessage(tr("Show context off"), 2000);
+      contextWidget->hide();
+  }
+
+
+    QSignalBlocker blocker( showContextAct );
+    showContextAct->setChecked(piSettings->show_context);
+}
+
 void MainWindow::togglePrefs() {
     if(prefsWidget->isVisible()) {
         prefsWidget->hide();
@@ -2296,8 +2319,13 @@ void  MainWindow::createToolBar()
     showAutoCompletionAct->setCheckable(true);
     showAutoCompletionAct->setChecked(piSettings->show_autocompletion);
 
+    showContextAct = new QAction(tr("Show Code Context"), this);
+    showContextAct->setCheckable(true);
+    showContextAct->setChecked(piSettings->show_context);
+
     connect(showLineNumbersAct, SIGNAL(triggered()), this, SLOT(showLineNumbersMenuChanged()));
     connect(showAutoCompletionAct, SIGNAL(triggered()), this, SLOT(showAutoCompletionMenuChanged()));
+    connect(showContextAct, SIGNAL(triggered()), this, SLOT(showContextMenuChanged()));
 
     toolBar->addAction(scopeAct);
     toolBar->addAction(infoAct);
@@ -2327,6 +2355,7 @@ void  MainWindow::createToolBar()
     displayMenu->addAction(infoAct);
     displayMenu->addAction(helpAct);
     displayMenu->addAction(prefsAct);
+    displayMenu->addAction(showContextAct);
 
     focusMenu = menuBar()->addMenu(tr("&Focus"));
 
@@ -2599,8 +2628,8 @@ void MainWindow::readSettings() {
     piSettings->goto_buffer_shortcuts = settings.value("prefs/goto_buffer_shortcuts", false).toBool();
     QString styleName = settings.value("prefs/theme", "").toString();
     piSettings->themeStyle = theme->themeNameToStyle(styleName);
-
     piSettings->show_autocompletion = settings.value("prefs/show-autocompletion", true).toBool();
+    piSettings->show_context = settings.value("prefs/show-context", true).toBool();
 
     emit settingsChanged();
 }
@@ -2653,6 +2682,7 @@ void MainWindow::writeSettings()
     settings.setValue("prefs/show-buttons", piSettings->show_buttons);
     settings.setValue("prefs/show-tabs", piSettings->show_tabs);
     settings.setValue("prefs/show-log", piSettings->show_log);
+    settings.setValue("prefs/show-context", piSettings->show_context);
 
     for ( auto name : piSettings->scope_names ) {
         settings.setValue("prefs/scope/show-"+name.toLower(), piSettings->isScopeActive(name));

app/gui/qt/mainwindow.h

@@ -153,6 +153,8 @@ class MainWindow : public QMainWindow
         void showLineNumbersMenuChanged();
         void showAutoCompletionMenuChanged();
         void changeShowAutoCompletion();
+        void changeShowContext();
+        void showContextMenuChanged();
         void toggleScope(QString name);
         void toggleLeftScope();
         void toggleRightScope();
@@ -331,7 +333,7 @@ class MainWindow : public QMainWindow
 
         QToolBar *toolBar;
 
-  QAction *exitAct, *runAct, *stopAct, *saveAsAct, *loadFileAct, *recAct, *textAlignAct, *textIncAct, *textDecAct, *scopeAct, *infoAct, *helpAct, *prefsAct, *focusEditorAct, *focusLogsAct, *focusContextAct, *focusCuesAct, *focusPreferencesAct, *focusHelpListingAct, *focusHelpDetailsAct, *focusErrorsAct, *showLineNumbersAct, *showAutoCompletionAct;
+  QAction *exitAct, *runAct, *stopAct, *saveAsAct, *loadFileAct, *recAct, *textAlignAct, *textIncAct, *textDecAct, *scopeAct, *infoAct, *helpAct, *prefsAct, *focusEditorAct, *focusLogsAct, *focusContextAct, *focusCuesAct, *focusPreferencesAct, *focusHelpListingAct, *focusHelpDetailsAct, *focusErrorsAct, *showLineNumbersAct, *showAutoCompletionAct, *showContextAct;
   QShortcut *runSc, *stopSc, *saveAsSc, *loadFileSc, *recSc, *textAlignSc, *textIncSc, *textDecSc, *scopeSc, *infoSc, *helpSc, *prefsSc, *focusEditorSc, *focusLogsSc, *focusContextSc, *focusCuesSc, *focusPreferencesSc, *focusHelpListingSc, *focusHelpDetailsSc, *focusErrorsSc;
 
         SettingsWidget *settingsWidget;

app/gui/qt/model/settings.h

@@ -38,6 +38,7 @@ class SonicPiSettings {
     bool log_auto_scroll;
     int gui_transparency;
     bool show_autocompletion;
+    bool show_context;
     SonicPiTheme::Style themeStyle;
 
     // UpdateSettings;

app/gui/qt/widgets/settingswidget.cpp

@@ -285,6 +285,9 @@ QGroupBox* SettingsWidget::createEditorPrefsTab() {
     show_autocompletion = new QCheckBox(tr("Show code completion"));
     show_autocompletion->setToolTip(tr("When enabled, Sonic Pi's editor will attempt to autocomplete your code with suggestions. When disabled, these suggestions will not be visible."));
 
+    show_context = new QCheckBox(tr("Show code context"));
+    show_context->setToolTip(tr("When enabled, Sonic Pi's editor will show a pane which will display context-specific information for the code such as the current line and position of the cursor."));
+
     show_log = new QCheckBox(tr("Show log"));
     show_log->setToolTip(tooltipStrShiftMeta('L', tr("Toggle visibility of the log.")));
     show_log->setChecked(true);
@@ -323,6 +326,7 @@ QGroupBox* SettingsWidget::createEditorPrefsTab() {
 
     editor_display_box_layout->addWidget(show_line_numbers);
     editor_display_box_layout->addWidget(show_autocompletion);
+    editor_display_box_layout->addWidget(show_context);
     editor_display_box_layout->addWidget(show_log);
     editor_display_box_layout->addWidget(show_cues);
     editor_display_box_layout->addWidget(show_buttons);
@@ -533,6 +537,10 @@ void SettingsWidget::showAutoCompletion() {
   emit showAutoCompletionChanged();
 }
 
+void SettingsWidget::showContext() {
+  emit showContextChanged();
+}
+
 void SettingsWidget::toggleLog() {
     emit showLogChanged();
 }
@@ -610,6 +618,7 @@ void SettingsWidget::updateSettings() {
     piSettings->auto_indent_on_run = auto_indent_on_run->isChecked();
     piSettings->show_line_numbers = show_line_numbers->isChecked();
     piSettings->show_autocompletion = show_autocompletion->isChecked();
+    piSettings->show_context = show_context->isChecked();
     piSettings->show_log = show_log->isChecked();
     piSettings->show_cues = show_cues->isChecked();
     piSettings->show_buttons = show_buttons->isChecked();
@@ -672,6 +681,7 @@ void SettingsWidget::settingsChanged() {
 
     check_updates->setChecked(piSettings->check_updates);
     show_autocompletion->setChecked(piSettings->show_autocompletion);
+    show_context->setChecked(piSettings->show_context);
 }
 
 void SettingsWidget::connectAll() {
@@ -713,6 +723,7 @@ void SettingsWidget::connectAll() {
     connect(gui_transparency_slider, SIGNAL(valueChanged(int)), this, SLOT(updateSettings()));
 
     connect(show_autocompletion, SIGNAL(clicked()), this, SLOT(updateSettings()));
+    connect(show_context, SIGNAL(clicked()), this, SLOT(updateSettings()));
 
     connect(show_line_numbers, SIGNAL(clicked()), this, SLOT(toggleLineNumbers()));
     connect(show_log, SIGNAL(clicked()), this, SLOT(toggleLog()));
@@ -739,4 +750,5 @@ void SettingsWidget::connectAll() {
     connect(check_updates_now, SIGNAL(clicked()), this, SLOT(checkForUpdatesNow()));
 
     connect(show_autocompletion, SIGNAL(clicked()), this, SLOT(showAutoCompletion()));
+    connect(show_context, SIGNAL(clicked()), this, SLOT(showContext()));
 }

app/gui/qt/widgets/settingswidget.h

@@ -57,6 +57,7 @@ private slots:
     void updateSettings();
     void updateTransparency(int t);
     void settingsChanged();
+    void showContext();
 
 signals:
     void mixerSettingsChanged();
@@ -79,6 +80,7 @@ private slots:
     void transparencyChanged(int t);
     void checkUpdatesChanged();
     void forceCheckUpdates();
+    void showContextChanged();
 
 private:
     SonicPiSettings* piSettings;
@@ -106,6 +108,7 @@ private slots:
     QCheckBox *check_updates;
     QCheckBox *studio_mode;
     QCheckBox *show_autocompletion;
+    QCheckBox *show_context;
 
     QComboBox *midi_default_channel_combo;
     QCheckBox *midi_enable_check;