Changeset 55415 in vbox for trunk/src/VBox/Frontends/VirtualBox

Timestamp:

Apr 24, 2015 7:27:41 AM (10 years ago)

Author:

vboxsync

Message:

FE/Qt: Action-pool: Support for polymorphic menu actions which able to be simple actions or menu actions with various arguments depending on state.

Location:

trunk/src/VBox/Frontends/VirtualBox/src/globals

Files:

• UIActionPool.cpp (modified) (2 diffs)
• UIActionPool.h (modified) (4 diffs)

trunk/src/VBox/Frontends/VirtualBox/src/globals/UIActionPool.cpp

@@ -120 +120 @@
 }
 
+UIActionPolymorphicMenu* UIAction::toActionPolymorphicMenu()
+{
+    return qobject_cast<UIActionPolymorphicMenu*>(this);
+}
+
 void UIAction::setName(const QString &strName)
 {
@@ -313 +318 @@
     if (!icon.isNull())
         setIcon(icon);
+}
+
+
+UIActionPolymorphicMenu::UIActionPolymorphicMenu(UIActionPool *pParent,
+                                                 const QString &strIcon, const QString &strIconDisabled)
+    : UIAction(pParent, UIActionType_PolymorphicMenu)
+    , m_pMenu(0)
+    , m_iState(0)
+{
+    if (!strIcon.isNull())
+        setIcon(UIIconPool::iconSet(strIcon, strIconDisabled));
+    prepare();
+}
+
+UIActionPolymorphicMenu::UIActionPolymorphicMenu(UIActionPool *pParent,
+                                                 const QString &strIconNormal, const QString &strIconSmall,
+                                                 const QString &strIconNormalDisabled, const QString &strIconSmallDisabled)
+    : UIAction(pParent, UIActionType_PolymorphicMenu)
+    , m_pMenu(0)
+    , m_iState(0)
+{
+    if (!strIconNormal.isNull())
+        setIcon(UIIconPool::iconSetFull(strIconNormal, strIconSmall, strIconNormalDisabled, strIconSmallDisabled));
+    prepare();
+}
+
+UIActionPolymorphicMenu::UIActionPolymorphicMenu(UIActionPool *pParent,
+                                                 const QIcon &icon)
+    : UIAction(pParent, UIActionType_PolymorphicMenu)
+    , m_pMenu(0)
+    , m_iState(0)
+{
+    if (!icon.isNull())
+        setIcon(icon);
+    prepare();
+}
+
+UIActionPolymorphicMenu::~UIActionPolymorphicMenu()
+{
+    /* Hide menu: */
+    hideMenu();
+    /* Delete menu: */
+    delete m_pMenu;
+    m_pMenu = 0;
+}
+
+void UIActionPolymorphicMenu::setShowToolTip(bool fShowToolTip)
+{
+    qobject_cast<UIMenu*>(menu())->setShowToolTip(fShowToolTip);
+}
+
+void UIActionPolymorphicMenu::showMenu()
+{
+    /* Show menu if necessary: */
+    if (!menu())
+        setMenu(m_pMenu);
+}
+
+void UIActionPolymorphicMenu::hideMenu()
+{
+    /* Hide menu if necessary: */
+    if (menu())
+        setMenu(0);
+}
+
+void UIActionPolymorphicMenu::prepare()
+{
+    /* Create menu: */
+    m_pMenu = new UIMenu;
+    AssertPtrReturnVoid(m_pMenu);
+    {
+        /* Prepare menu: */
+        connect(m_pMenu, SIGNAL(aboutToShow()),
+                parent(), SLOT(sltHandleMenuPrepare()));
+        /* Show menu: */
+        showMenu();
+    }
+}
+
+void UIActionPolymorphicMenu::updateText()
+{
+    setText(nameInMenu());
 }
 

trunk/src/VBox/Frontends/VirtualBox/src/globals/UIActionPool.h

@@ -29 +29 @@
 /* Forward declarations: */
 class UIActionPolymorphic;
+class UIActionPolymorphicMenu;
 class UIActionPool;
 class UIActionPoolRuntime;
@@ -47 +48 @@
     UIActionType_Simple,
     UIActionType_Toggle,
-    UIActionType_Polymorphic
+    UIActionType_Polymorphic,
+    UIActionType_PolymorphicMenu
 };
 
@@ -155 +157 @@
     /** Casts action to polymorphic-action. */
     UIActionPolymorphic* toActionPolymorphic();
+    /** Casts action to polymorphic-menu-action. */
+    UIActionPolymorphicMenu* toActionPolymorphicMenu();
 
     /** Returns current action name. */
@@ -312 +316 @@
 private:
 
+    /** Holds current action state. */
+    int m_iState;
+};
+
+
+/** Abstract UIAction extension for 'Polymorphic Menu' action type. */
+class UIActionPolymorphicMenu : public UIAction
+{
+    Q_OBJECT;
+
+public:
+
+    /** Returns current action state. */
+    int state() const { return m_iState; }
+    /** Defines current action state. */
+    void setState(int iState) { m_iState = iState; retranslateUi(); }
+
+protected:
+
+    /** Constructor, taking normal icon name and name for disabled analog. */
+    UIActionPolymorphicMenu(UIActionPool *pParent,
+                            const QString &strIcon = QString(), const QString &strIconDis = QString());
+    /** Constructor, taking normal, small icon names and names for disabled analogs. */
+    UIActionPolymorphicMenu(UIActionPool *pParent,
+                            const QString &strIconNormal, const QString &strIconSmall,
+                            const QString &strIconNormalDisabled, const QString &strIconSmallDisabled);
+    /** Constructor, taking copy of existing icon. */
+    UIActionPolymorphicMenu(UIActionPool *pParent,
+                            const QIcon &icon);
+
+    /** Destructor. */
+    ~UIActionPolymorphicMenu();
+
+    /** Defines whether tool-tip should be shown. */
+    void setShowToolTip(bool fShowToolTip);
+
+    /** Show menu. */
+    void showMenu();
+    /** Hide menu. */
+    void hideMenu();
+
+private:
+
+    /** Prepare routine. */
+    void prepare();
+
+    /** Updates action text accordingly. */
+    virtual void updateText();
+
+private:
+
+    /** Holds the menu instance. */
+    UIMenu *m_pMenu;
     /** Holds current action state. */
     int m_iState;