Changeset 89410 in vbox for trunk/src/VBox/Frontends

Timestamp:

May 31, 2021 5:53:35 PM (4 years ago)

Author:

vboxsync

Message:

FE/Qt: bugref:9831. Enabling/disabling backward/forward menu actions depending of history change

Location:

trunk/src/VBox/Frontends/VirtualBox/src/helpbrowser

Files:

• UIHelpBrowserWidget.cpp (modified) (7 diffs)
• UIHelpBrowserWidget.h (modified) (1 diff)

trunk/src/VBox/Frontends/VirtualBox/src/helpbrowser/UIHelpBrowserWidget.cpp

@@ -190 +190 @@
     void sigZoomPercentageChanged(int iPercentage);
     void sigFindInPageWidgetVisibilityChanged(bool fVisible);
+    void sigHistoryChanged(bool fBackwardAvailable, bool fForwardAvailable);
 
 public:
@@ -269 +270 @@
     void sigCopyAvailableChanged(bool fAvailable);
     void sigFindInPageWidgetVisibilityChanged(bool fVisible);
+    void sigHistoryChanged(bool fBackwardAvailable, bool fForwardAvailable);
 
 public:
@@ -839 +841 @@
 
     emit sigTitleUpdate(m_pContentViewer->historyTitle(0));
+    emit sigHistoryChanged(m_pContentViewer->isBackwardAvailable(), m_pContentViewer->isForwardAvailable());
 }
 
@@ -926 +929 @@
     connect(pTabWidget, &UIHelpBrowserTab::sigFindInPageWidgetVisibilityChanged,
             this, &UIHelpBrowserTabManager::sigFindInPageWidgetVisibilityChanged);
+    connect(pTabWidget, &UIHelpBrowserTab::sigHistoryChanged,
+            this, &UIHelpBrowserTabManager::sigHistoryChanged);
+
+
 
     pTabWidget->setZoomPercentage(zoomPercentage());
@@ -1464 +1471 @@
     connect(m_pBackwardAction, &QAction::triggered,
             this, &UIHelpBrowserWidget::sigGoBackward);
+    m_pBackwardAction->setEnabled(false);
 
     m_pForwardAction = new QAction(this);
     connect(m_pForwardAction, &QAction::triggered,
             this, &UIHelpBrowserWidget::sigGoForward);
+    m_pForwardAction->setEnabled(false);
 
     m_pHomeAction = new QAction(this);
@@ -1552 +1561 @@
     connect(m_pTabManager, &UIHelpBrowserTabManager::sigFindInPageWidgetVisibilityChanged,
             this, &UIHelpBrowserWidget::sltFindInPageWidgetVisibilityChanged);
+    connect(m_pTabManager, &UIHelpBrowserTabManager::sigHistoryChanged,
+            this, &UIHelpBrowserWidget::sltHistoryChanged);
+
 
     connect(m_pHelpEngine, &QHelpEngine::setupFinished,
@@ -1879 +1891 @@
 }
 
+void UIHelpBrowserWidget::sltHistoryChanged(bool fBackwardAvailable, bool fForwardAvailable)
+{
+    if (m_pBackwardAction)
+        m_pBackwardAction->setEnabled(fBackwardAvailable);
+    if (m_pForwardAction)
+        m_pForwardAction->setEnabled(fForwardAvailable);
+}
+
 void UIHelpBrowserWidget::sltCopyAvailableChanged(bool fAvailable)
 {

trunk/src/VBox/Frontends/VirtualBox/src/helpbrowser/UIHelpBrowserWidget.h

@@ -110 +110 @@
     void sltFindNextInPage();
     void sltFindPreviousInPage();
+    void sltHistoryChanged(bool fBackwardAvailable, bool fForwardAvailable);
 
 private: