Ref T30, font menu class

* font dialog
* shortcuts CTRL+/- to increase/decrease font size

src/blackgui/menus/fontmenus.cpp

@@ -0,0 +1,99 @@
+/* Copyright (C) 2017
+ * swift project Community / Contributors
+ *
+ * This file is part of swift Project. It is subject to the license terms in the LICENSE file found in the top-level
+ * directory of this distribution and at http://www.swift-project.org/license.html. No part of swift project,
+ * including this file, may be copied, modified, propagated, or distributed except according to the terms
+ * contained in the LICENSE file.
+ */
+
+#include "fontmenus.h"
+#include "blackgui/guiapplication.h"
+#include "blackmisc/verify.h"
+#include <QShortcut>
+
+using namespace BlackMisc;
+using namespace BlackGui::Components;
+
+namespace BlackGui
+{
+    namespace Menus
+    {
+        const CLogCategoryList &CFontMenu::getLogCategories()
+        {
+            static const CLogCategoryList cats { CLogCategory::guiComponent() };
+            return cats;
+        }
+
+        CFontMenu::CFontMenu(QWidget *widget, bool separator) :
+            IMenuDelegate(widget, separator), m_widget(widget)
+        {
+            this->m_fontDialogAction.reset(new QAction(CIcons::font16(), "Font", this));
+            QObject::connect(this->m_fontDialogAction.data(), &QAction::triggered, this, &CFontMenu::changeFontDialog);
+
+            m_fontSizePlusShortcut = new QShortcut(Qt::CTRL + Qt::Key_Plus, this->m_widget);
+            m_fontSizePlusShortcut->setContext(Qt::WidgetShortcut);
+            QObject::connect(this->m_fontSizePlusShortcut, &QShortcut::activated, this, &CFontMenu::fontSizePlus);
+
+            m_fontSizeMinusShortcut = new QShortcut(Qt::CTRL + Qt::Key_Minus, this->m_widget);
+            m_fontSizeMinusShortcut->setContext(Qt::WidgetShortcut);
+            QObject::connect(this->m_fontSizeMinusShortcut, &QShortcut::activated, this, &CFontMenu::fontSizeMinus);
+
+            m_fontResetShortcut = new QShortcut(Qt::CTRL + Qt::Key_0, this->m_widget);
+            m_fontResetShortcut->setContext(Qt::WidgetShortcut);
+            QObject::connect(this->m_fontResetShortcut, &QShortcut::activated, this, &CFontMenu::fontReset);
+        }
+
+        void CFontMenu::customMenu(CMenuActions &menuActions)
+        {
+            menuActions.addAction(this->m_fontDialogAction.data(), CMenuAction::pathFont());
+            this->nestedCustomMenu(menuActions);
+        }
+
+        QList<QAction *> CFontMenu::getActions() const
+        {
+            return QList<QAction *>({ m_fontDialogAction.data() });
+        }
+
+        void CFontMenu::changeFontDialog()
+        {
+            Q_ASSERT_X(m_widget, Q_FUNC_INFO, "No widget");
+            if (!m_dialog)
+            {
+                m_dialog.reset(new CSettingsFontDialog(m_widget));
+                m_dialog->setModal(true);
+            }
+            m_dialog->setCurrentFont(m_widget->font());
+            int r = m_dialog->exec();
+            if (r == QDialog::Rejected) { return; }
+            const QString qss(m_dialog->getQss());
+            m_widget->setStyleSheet(qss);
+        }
+
+        void CFontMenu::fontSizePlus()
+        {
+            Q_ASSERT_X(m_widget, Q_FUNC_INFO, "No widget");
+            int pt = m_widget->font().pointSize() + 1;
+            if (pt > 24) { return; }
+            m_widget->setStyleSheet(
+                CStyleSheetUtility::asStylesheet(m_widget, pt)
+            );
+        }
+
+        void CFontMenu::fontSizeMinus()
+        {
+            Q_ASSERT_X(m_widget, Q_FUNC_INFO, "No widget");
+            int pt = m_widget->font().pointSize() - 1;
+            if (pt < 5) { return; }
+            m_widget->setStyleSheet(
+                CStyleSheetUtility::asStylesheet(m_widget, pt)
+            );
+        }
+
+        void CFontMenu::fontReset()
+        {
+            Q_ASSERT_X(m_widget, Q_FUNC_INFO, "No widget");
+            m_widget->setStyleSheet("");
+        }
+    } // ns
+} // ns

src/blackgui/menus/fontmenus.h

@@ -0,0 +1,63 @@
+/* Copyright (C) 2017
+ * swift project Community / Contributors
+ *
+ * This file is part of swift Project. It is subject to the license terms in the LICENSE file found in the top-level
+ * directory of this distribution and at http://www.swift-project.org/license.html. No part of swift project,
+ * including this file, may be copied, modified, propagated, or distributed except according to the terms
+ * contained in the LICENSE file.
+ */
+
+#ifndef BLACKGUI_MENUS_FONTMENUS_H
+#define BLACKGUI_MENUS_FONTMENUS_H
+
+#include "blackgui/components/settingsfontdialog.h"
+#include "blackgui/menus/menudelegate.h"
+#include "blackgui/views/aircraftmodelview.h"
+#include "blackgui/overlaymessagesframe.h"
+#include "blackmisc/simulation/aircraftmodelinterfaces.h"
+
+#include <QObject>
+
+class QAction;
+class QShortcut;
+
+namespace BlackGui
+{
+    namespace Menus
+    {
+        //! Standard font (size, style) menus for fonts.
+        //! Can be used as nested menu or via getActions added manually
+        class CFontMenu : public IMenuDelegate
+        {
+            Q_OBJECT
+
+        public:
+            //! Constructor
+            CFontMenu(QWidget *widget, bool separator = true);
+
+            //! Log.categories
+            static const BlackMisc::CLogCategoryList &getLogCategories();
+
+            //! \copydoc IMenuDelegate::customMenu
+            virtual void customMenu(CMenuActions &menuActions) override;
+
+            //! Allow to use the actions directly
+            QList<QAction *> getActions() const;
+
+        private:
+            void changeFontDialog();
+            void fontSizePlus();
+            void fontSizeMinus();
+            void fontReset();
+
+            QWidget *m_widget = nullptr;
+            QShortcut *m_fontSizePlusShortcut = nullptr;  //! owned by widget
+            QShortcut *m_fontSizeMinusShortcut = nullptr; //! owned by widget
+            QShortcut *m_fontResetShortcut = nullptr;     //! owned by widget
+            QScopedPointer<QAction> m_fontDialogAction;
+            QScopedPointer<BlackGui::Components::CSettingsFontDialog> m_dialog;
+        };
+    } // ns
+} // ns
+
+#endif // guard

src/blackgui/menus/menuaction.h

@@ -143,6 +143,9 @@ namespace BlackGui
             //! Log functionality
             static const QString &pathLog()  { static const QString p("Custom15.Log"); return p; }
 
+            //! Font menus (font size etc.)
+            static const QString &pathFont()  { static const QString p("Custom20.Font"); return p; }
+
             // ---- client ----
 
             //! Client COM related
@@ -200,12 +203,12 @@ namespace BlackGui
             //! @}
 
         private:
-            QAction *m_action = nullptr;    //!< the action
-            QIcon    m_icon;                //!< icon
-            QString  m_title;               //!< title
-            QString  m_path;                //!< path in menu
-            bool     m_separator = false;   //!< separator
-            bool     m_isMenu = false;      //!< is menu?
+            QAction *m_action = nullptr;  //!< the action
+            QIcon    m_icon;              //!< icon
+            QString  m_title;             //!< title
+            QString  m_path;              //!< path in menu
+            bool     m_separator = false; //!< separator
+            bool     m_isMenu = false;    //!< is menu?
         };
 
         /*!