Add switch button to enable trackpad gesture

git-svn-id: svn+ssh://svn.tuxfamily.org/svnroot/qet/qet/trunk@3291 bfdf4180-ca20-0410-9c96-a3a8aa849046

sources/configpages.cpp

@@ -117,6 +117,7 @@ GeneralConfigurationPage::GeneralConfigurationPage(QWidget *parent) : ConfigPage
 	bool use_system_colors = settings.value("usesystemcolors", "true").toBool();
 	bool tabbed = settings.value("diagrameditor/viewmode", "tabbed") == "tabbed";
 	bool integrate_elements = settings.value("diagrameditor/integrate-elements", true).toBool();
+	bool use_trackpad = settings.value("diagramview/gestures", true).toBool();
 	bool highlight_integrated_elements = settings.value("diagrameditor/highlight-integrated-elements", true).toBool();
 	QString default_element_informations = settings.value("elementeditor/default-informations", "").toString();
 	
@@ -126,6 +127,7 @@ GeneralConfigurationPage::GeneralConfigurationPage(QWidget *parent) : ConfigPage
 	projects_view_mode_ = new QGroupBox(tr("Projets"), this);
 	windowed_mode_ = new QRadioButton(tr("Utiliser des fen\352tres"), projects_view_mode_);
 	tabbed_mode_ = new QRadioButton(tr("Utiliser des onglets"), projects_view_mode_);
+	use_trackpad_ = new QCheckBox(tr("Utiliser les gestures du trackpad"), projects_view_mode_);
 	warning_view_mode_ = new QLabel(tr("Ces param\350tres s'appliqueront d\350s la prochaine ouverture d'un \351diteur de sch\351mas."));
 	
 	elements_management_ = new QGroupBox(tr("Gestion des \351l\351ments"), this);
@@ -142,7 +144,10 @@ GeneralConfigurationPage::GeneralConfigurationPage(QWidget *parent) : ConfigPage
 	default_element_infos_textfield_ ->  setAcceptRichText(false);
 	
 	use_system_colors_ -> setChecked(use_system_colors);
-	
+
+	use_trackpad_ -> setChecked(false);
+	use_trackpad_ -> setChecked(use_trackpad);
+
 	if (tabbed) {
 		tabbed_mode_ -> setChecked(true);
 	} else {
@@ -161,6 +166,7 @@ GeneralConfigurationPage::GeneralConfigurationPage(QWidget *parent) : ConfigPage
 	projects_view_mode_layout -> addWidget(windowed_mode_);
 	projects_view_mode_layout -> addWidget(tabbed_mode_);
 	projects_view_mode_layout -> addWidget(warning_view_mode_);
+	projects_view_mode_layout -> addWidget(use_trackpad_);
 	projects_view_mode_ -> setLayout(projects_view_mode_layout);
 	
 	QVBoxLayout *elements_management_layout = new QVBoxLayout();
@@ -215,6 +221,9 @@ void GeneralConfigurationPage::applyConf() {
 		QETApp::instance() -> useSystemPalette(must_use_system_colors);
 	}
 
+	bool was_use_trackpad = settings.value("use_trackpad", "true").toBool();
+	bool must_use_trackpad  = use_trackpad_ -> isChecked();
+	settings.setValue("use_trackpad", must_use_trackpad );
 	settings.setValue("lang", lang_combo_box->itemData(lang_combo_box->currentIndex()).toString());
 	
 	QString view_mode = tabbed_mode_ -> isChecked() ? "tabbed" : "windowed";
@@ -223,6 +232,7 @@ void GeneralConfigurationPage::applyConf() {
 	settings.setValue("diagrameditor/integrate-elements", integrate_elements_ -> isChecked());
 	settings.setValue("diagrameditor/highlight-integrated-elements", highlight_integrated_elements_ -> isChecked());
 	settings.setValue("elementeditor/default-informations", default_element_infos_textfield_ -> toPlainText());
+	settings.setValue("diagramview/gestures", use_trackpad_ -> isChecked());
 }
 
 /// @return l'icone de cette page

sources/configpages.h

@@ -83,6 +83,7 @@ class GeneralConfigurationPage : public ConfigPage {
 	QFrame *horiz_line_;
 	QGroupBox *appearance_;
 	QCheckBox *use_system_colors_;
+	QCheckBox *use_trackpad_;
 	QGroupBox *projects_view_mode_;
 	QRadioButton *windowed_mode_;
 	QRadioButton *tabbed_mode_;

sources/diagramview.cpp

@@ -579,31 +579,34 @@ void DiagramView::mouseReleaseEvent(QMouseEvent *e) {
 	else QGraphicsView::mouseReleaseEvent(e);
 }
 
+/**
+ * @brief DiagramView::gestures
+ * @return
+ */
+bool DiagramView::gestures() const {
+			return(QETApp::settings().value("diagramview/gestures", true).toBool());
+		}
+
 /**
 	Manage wheel event of mouse
 	@param e QWheelEvent
 */
 void DiagramView::wheelEvent(QWheelEvent *e) {
 	//Zoom and scrolling
-	if (e->buttons() != Qt::MidButton) {
+	if (e->buttons() != Qt::MidButton & !gestures ()) {
-
+		if (!(e -> modifiers() & Qt::ControlModifier )) {
-#if defined(__APPLE__) && defined(__MACH__)
-			QAbstractScrollArea::wheelEvent(e);
-	}
-		#else
-		if (!(e -> modifiers() & Qt::ControlModifier)) {
 				if (e -> delta() > 0){
 					zoomIn();
 				}
 				else{
 					zoomOut();
 				}
-				}
+		}
-				else {
+	}	else {
-					QAbstractScrollArea::wheelEvent(e);
+			QAbstractScrollArea::wheelEvent(e);
-				}
+		}
-			}
+
-		#endif
+
 }
 
 

sources/diagramview.h

@@ -126,7 +126,8 @@ class DiagramView : public QGraphicsView {
 	bool mustIntegrateElement(const ElementsLocation &) const;
 	bool mustIntegrateTitleBlockTemplate(const TitleBlockTemplateLocation &) const;
 	bool addElementAtPos(const ElementsLocation &, const QPoint &);
-	
+	bool gestures() const;
+
 	signals:
 	/// Signal emitted after the selection changed
 	void selectionChanged();