gui: Add option to map mouse wheel to zoom in/out by default in layout view.

Author: titan73

src/gui/src/layoutTabs.cpp

@@ -48,6 +48,7 @@ LayoutTabs::LayoutTabs(Options* options,
                        Gui* gui,
                        std::function<bool(void)> usingDBU,
                        std::function<bool(void)> showRulerAsEuclidian,
+                       std::function<bool(void)> default_mouse_wheel_zoom,
                        QWidget* parent)
     : QTabWidget(parent),
       options_(options),
@@ -58,6 +59,7 @@ LayoutTabs::LayoutTabs(Options* options,
       gui_(gui),
       usingDBU_(std::move(usingDBU)),
       showRulerAsEuclidian_(std::move(showRulerAsEuclidian)),
+      default_mouse_wheel_zoom_(std::move(default_mouse_wheel_zoom)),
       logger_(nullptr)
 {
   setTabBarAutoHide(true);
@@ -92,7 +94,7 @@ void LayoutTabs::blockLoaded(odb::dbBlock* block)
   if (command_executing_) {
     viewer->commandAboutToExecute();
   }
-  auto scroll = new LayoutScroll(viewer, this);
+  auto scroll = new LayoutScroll(viewer, default_mouse_wheel_zoom_, this);
   viewer->blockLoaded(block);
 
   auto tech = block->getTech();

src/gui/src/layoutTabs.h

@@ -60,6 +60,7 @@ class LayoutTabs : public QTabWidget
              Gui* gui,
              std::function<bool(void)> usingDBU,
              std::function<bool(void)> showRulerAsEuclidian,
+             std::function<bool(void)> default_mouse_wheel_zoom,
              QWidget* parent = nullptr);
 
   LayoutViewer* getCurrent() const { return current_viewer_; }
@@ -140,6 +141,7 @@ class LayoutTabs : public QTabWidget
   Gui* gui_;
   std::function<bool(void)> usingDBU_;
   std::function<bool(void)> showRulerAsEuclidian_;
+  std::function<bool(void)> default_mouse_wheel_zoom_;
   utl::Logger* logger_;
   bool command_executing_ = false;
 

src/gui/src/layoutViewer.cpp

@@ -2426,8 +2426,12 @@ void LayoutViewer::executionPaused()
 }
 
 ////// LayoutScroll ///////
-LayoutScroll::LayoutScroll(LayoutViewer* viewer, QWidget* parent)
-    : QScrollArea(parent), viewer_(viewer), scrolling_with_cursor_(false)
+LayoutScroll::LayoutScroll(LayoutViewer* viewer,
+                           const std::function<bool(void)>& default_mouse_wheel_zoom,
+                           QWidget* parent)
+    : QScrollArea(parent),
+      default_mouse_wheel_zoom_(std::move(default_mouse_wheel_zoom)),
+      viewer_(viewer), scrolling_with_cursor_(false)
 {
   setWidgetResizable(false);
   setWidget(viewer);
@@ -2451,10 +2455,10 @@ void LayoutScroll::scrollContentsBy(int dx, int dy)
   widget()->update();
 }
 
-// Handles zoom in/out on ctrl-wheel
+// Handles zoom in/out on ctrl-wheel when option mouse_wheel_zoom is not set and vice-versa
 void LayoutScroll::wheelEvent(QWheelEvent* event)
 {
-  if (!event->modifiers().testFlag(Qt::ControlModifier)) {
+  if (default_mouse_wheel_zoom_() == event->modifiers().testFlag(Qt::ControlModifier)) {
     QScrollArea::wheelEvent(event);
     return;
   }

src/gui/src/layoutViewer.h

@@ -463,8 +463,9 @@ class LayoutScroll : public QScrollArea
 {
   Q_OBJECT
  public:
-  LayoutScroll(LayoutViewer* viewer, QWidget* parent = 0);
-
+  LayoutScroll(LayoutViewer* viewer,
+               const std::function<bool(void)>& default_mouse_wheel_zoom,
+               QWidget* parent = 0);
   bool isScrollingWithCursor();
  signals:
   // indicates that the viewport (visible area of the layout) has changed
@@ -481,6 +482,7 @@ class LayoutScroll : public QScrollArea
   bool eventFilter(QObject* object, QEvent* event) override;
 
  private:
+  std::function<bool(void)> default_mouse_wheel_zoom_;
   LayoutViewer* viewer_;
 
   bool scrolling_with_cursor_;

src/gui/src/mainWindow.cpp

@@ -95,6 +95,7 @@ MainWindow::MainWindow(QWidget* parent)
           Gui::get(),
           [this]() -> bool { return show_dbu_->isChecked(); },
           [this]() -> bool { return default_ruler_style_->isChecked(); },
+          [this]() -> bool { return default_mouse_wheel_zoom_->isChecked(); },
           this)),
       selection_browser_(
           new SelectHighlightWindow(selected_, highlighted_, this)),
@@ -390,6 +391,9 @@ MainWindow::MainWindow(QWidget* parent)
   default_ruler_style_->setChecked(
       settings.value("ruler_style", default_ruler_style_->isChecked())
           .toBool());
+  default_mouse_wheel_zoom_->setChecked(
+      settings.value("mouse_wheel_zoom", default_mouse_wheel_zoom_->isChecked())
+          .toBool());
   script_->readSettings(&settings);
   controls_->readSettings(&settings);
   timing_widget_->readSettings(&settings);
@@ -584,6 +588,10 @@ void MainWindow::createActions()
   default_ruler_style_->setCheckable(true);
   default_ruler_style_->setChecked(true);
 
+  default_mouse_wheel_zoom_ = new QAction("Mouse wheel mapped to zoom by default", this);
+  default_mouse_wheel_zoom_->setCheckable(true);
+  default_mouse_wheel_zoom_->setChecked(false);
+
   font_ = new QAction("Application font", this);
 
   global_connect_ = new QAction("Global connect", this);
@@ -696,6 +704,7 @@ void MainWindow::createMenus()
   option_menu->addAction(hide_option_);
   option_menu->addAction(show_dbu_);
   option_menu->addAction(default_ruler_style_);
+  option_menu->addAction(default_mouse_wheel_zoom_);
   option_menu->addAction(font_);
 
   menuBar()->addAction(help_);
@@ -1350,6 +1359,7 @@ void MainWindow::saveSettings()
   settings.setValue("check_exit", hide_option_->isChecked());
   settings.setValue("use_dbu", show_dbu_->isChecked());
   settings.setValue("ruler_style", default_ruler_style_->isChecked());
+  settings.setValue("mouse_wheel_zoom", default_mouse_wheel_zoom_->isChecked());
   script_->writeSettings(&settings);
   controls_->writeSettings(&settings);
   timing_widget_->writeSettings(&settings);

src/gui/src/mainWindow.h

@@ -331,6 +331,7 @@ class MainWindow : public QMainWindow, public ord::OpenRoadObserver
   QAction* build_ruler_;
   QAction* show_dbu_;
   QAction* default_ruler_style_;
+  QAction* default_mouse_wheel_zoom_;
   QAction* font_;
   QAction* global_connect_;