Add shortcuts to + and - buttons for zooming in and out horizontally

[pulseview.git] / pv / mainwindow.cpp

diff --git a/pv/mainwindow.cpp b/pv/mainwindow.cpp
index 638d75b5179fbb63c2e0151d6c6d09ff215b95c5..d04759cfe380d0920c2408ba10aaeaea065b0eb5 100644 (file)
--- a/pv/mainwindow.cpp
+++ b/pv/mainwindow.cpp
@@ -399,13 +399,10 @@ void MainWindow::remove_session(shared_ptr<Session> session)
 }
 
 void MainWindow::add_session_with_file(string open_file_name,
-       string open_file_format,
-       string open_setup_file_name)
+       string open_file_format, string open_setup_file_name)
 {
        shared_ptr<Session> session = add_session();
-       session->load_init_file(open_file_name,
-               open_file_format,
-               open_setup_file_name);
+       session->load_init_file(open_file_name, open_file_format, open_setup_file_name);
 }
 
 void MainWindow::add_default_session()
@@ -514,6 +511,12 @@ void MainWindow::setup_ui()
        view_colored_bg_shortcut_ = new QShortcut(QKeySequence(Qt::Key_B), this, SLOT(on_view_colored_bg_shortcut()));
        view_colored_bg_shortcut_->setAutoRepeat(false);
 
+       zoom_in_shortcut_ = new QShortcut(QKeySequence(Qt::Key_Plus), this, SLOT(on_zoom_in_shortcut_triggered()));
+       zoom_in_shortcut_->setAutoRepeat(false);
+
+       zoom_out_shortcut_ = new QShortcut(QKeySequence(Qt::Key_Minus), this, SLOT(on_zoom_out_shortcut_triggered()));
+       zoom_out_shortcut_->setAutoRepeat(false);
+
        // Set up the tab area
        new_session_button_ = new QToolButton();
        new_session_button_->setIcon(QIcon::fromTheme("document-new",
@@ -604,6 +607,19 @@ void MainWindow::restore_ui_settings()
        settings.endGroup();
 }
 
+void MainWindow::zoom_current_view(double steps)
+{
+       shared_ptr<Session> session = get_tab_session(session_selector_.currentIndex());
+
+       if (!session)
+               return;
+
+       shared_ptr<views::ViewBase> v = session.get()->main_view();
+       views::trace::View *tv =
+               qobject_cast<views::trace::View*>(v.get());
+       tv->zoom(steps);
+}
+
 shared_ptr<Session> MainWindow::get_tab_session(int index) const
 {
        // Find the session that belongs to the tab's main window
@@ -952,6 +968,16 @@ void MainWindow::on_settingViewShowAnalogMinorGrid_changed(const QVariant new_va
        }
 }
 
+void MainWindow::on_zoom_out_shortcut_triggered()
+{
+       zoom_current_view(-1);
+}
+
+void MainWindow::on_zoom_in_shortcut_triggered()
+{
+       zoom_current_view(1);
+}
+
 void MainWindow::on_close_current_tab()
 {
        int tab = session_selector_.currentIndex();