sidebar: Restrict the minimal width of the sidebar.

Change-Id: I99051830c4393b420125332e787c3abdc5a6aa61

include/sfx2/sidebar/SidebarPanelBase.hxx

@@ -97,6 +97,8 @@ public:
     // XSidebarPanel
     virtual css::ui::LayoutSize SAL_CALL getHeightForWidth (sal_Int32 nWidth)
         throw(cssu::RuntimeException);
+    virtual sal_Int32 SAL_CALL getMinimalWidth ()
+        throw(cssu::RuntimeException);
 
 protected:
     cssu::Reference<css::frame::XFrame> mxFrame;

offapi/com/sun/star/ui/XSidebarPanel.idl

@@ -51,6 +51,10 @@ interface XSidebarPanel
         The height is set via the XWindow interface.
     */
     LayoutSize getHeightForWidth ( [in] long nWidth);
+
+    /** Minimal possible width of this panel.
+    */
+    long getMinimalWidth();
 } ;
 
 } ; } ; } ; } ;

sfx2/source/sidebar/Deck.cxx

@@ -56,6 +56,7 @@ Deck::Deck (
       msIconURL(rDeckDescriptor.msIconURL),
       msHighContrastIconURL(rDeckDescriptor.msHighContrastIconURL),
       maPanels(),
+      mnMinimalWidth(0),
       mpTitleBar(new DeckTitleBar(rDeckDescriptor.msTitle, this, rCloserAction)),
       mpScrollClipWindow(new Window(this)),
       mpScrollContainer(new ScrollContainerWindow(mpScrollClipWindow.get())),
@@ -294,8 +295,11 @@ const SharedPanelContainer& Deck::GetPanels (void) const
 
 void Deck::RequestLayout (void)
 {
+    mnMinimalWidth = 0;
+
     DeckLayouter::LayoutDeck(
         GetContentArea(),
+        mnMinimalWidth,
         maPanels,
         *GetTitleBar(),
         *mpScrollClipWindow,

sfx2/source/sidebar/Deck.hxx

@@ -75,6 +75,8 @@ public:
     void PrintWindowTree (const ::std::vector<Panel*>& rPanels);
     static void PrintWindowSubTree (Window* pRoot, int nIndentation);
 
+    sal_Int32 GetMinimalWidth() const { return mnMinimalWidth; }
+
     class ScrollContainerWindow : public Window
     {
     public:
@@ -92,6 +94,7 @@ private:
     Image maIcon;
     const ::rtl::OUString msIconURL;
     const ::rtl::OUString msHighContrastIconURL;
+    sal_Int32 mnMinimalWidth;
     SharedPanelContainer maPanels;
     ::boost::scoped_ptr<DeckTitleBar> mpTitleBar;
     ::boost::scoped_ptr<Window> mpScrollClipWindow;

sfx2/source/sidebar/DeckLayouter.cxx

@@ -47,6 +47,7 @@ namespace {
 
 void DeckLayouter::LayoutDeck (
     const Rectangle aContentArea,
+    sal_Int32& rMinimalWidth,
     SharedPanelContainer& rPanels,
     Window& rDeckTitleBar,
     Window& rScrollClipWindow,
@@ -70,6 +71,7 @@ void DeckLayouter::LayoutDeck (
         }
         aBox = LayoutPanels(
             aBox,
+            rMinimalWidth,
             aLayoutItems,
             rScrollClipWindow,
             rScrollContainer,
@@ -84,6 +86,7 @@ void DeckLayouter::LayoutDeck (
 
 Rectangle DeckLayouter::LayoutPanels (
     const Rectangle aContentArea,
+    sal_Int32& rMinimalWidth,
     ::std::vector<LayoutItem>& rLayoutItems,
     Window& rScrollClipWindow,
     Window& rScrollContainer,
@@ -98,7 +101,7 @@ Rectangle DeckLayouter::LayoutPanels (
     // height that is left when all panel titles and separators are
     // taken into account.
     sal_Int32 nAvailableHeight (aBox.GetHeight());
-    GetRequestedSizes(rLayoutItems, nAvailableHeight, aBox);
+    GetRequestedSizes(rLayoutItems, nAvailableHeight, rMinimalWidth, aBox);
     const sal_Int32 nTotalDecorationHeight (aBox.GetHeight() - nAvailableHeight);
 
     // Analyze the requested heights.
@@ -120,6 +123,7 @@ Rectangle DeckLayouter::LayoutPanels (
         // Show a vertical scrollbar.
         return LayoutPanels(
             aContentArea,
+            rMinimalWidth,
             rLayoutItems,
             rScrollClipWindow,
             rScrollContainer,
@@ -284,6 +288,7 @@ sal_Int32 DeckLayouter::PlacePanels (
 void DeckLayouter::GetRequestedSizes (
     ::std::vector<LayoutItem>& rLayoutItems,
     sal_Int32& rAvailableHeight,
+    sal_Int32& rMinimalWidth,
     const Rectangle& rContentBox)
 {
     rAvailableHeight = rContentBox.GetHeight();
@@ -316,7 +321,13 @@ void DeckLayouter::GetRequestedSizes (
             {
                 Reference<ui::XSidebarPanel> xPanel (iItem->mpPanel->GetPanelComponent());
                 if (xPanel.is())
+                {
                     aLayoutSize = xPanel->getHeightForWidth(rContentBox.GetWidth());
+
+                    sal_Int32 nWidth = xPanel->getMinimalWidth();
+                    if (nWidth > rMinimalWidth)
+                        rMinimalWidth = nWidth;
+                }
                 else
                     aLayoutSize = ui::LayoutSize(MinimalPanelHeight, -1, 0);
             }

sfx2/source/sidebar/DeckLayouter.hxx

@@ -44,6 +44,7 @@ class DeckLayouter
 public:
     static void LayoutDeck (
         const Rectangle aContentArea,
+        sal_Int32& rMinimalWidth,
         SharedPanelContainer& rPanels,
         Window& pDeckTitleBar,
         Window& pScrollClipWindow,
@@ -78,6 +79,7 @@ private:
     };
     static Rectangle LayoutPanels (
         const Rectangle aContentArea,
+        sal_Int32& rMinimalWidth,
         ::std::vector<LayoutItem>& rLayoutItems,
         Window& rScrollClipWindow,
         Window& rScrollContainer,
@@ -86,6 +88,7 @@ private:
     static void GetRequestedSizes (
         ::std::vector<LayoutItem>& rLayoutItem,
         sal_Int32& rAvailableHeight,
+        sal_Int32& rMinimalWidth,
         const Rectangle& rContentBox);
     static void DistributeHeights (
         ::std::vector<LayoutItem>& rLayoutItems,

sfx2/source/sidebar/SidebarController.cxx

@@ -272,9 +272,13 @@ void SAL_CALL SidebarController::statusChanged (const css::frame::FeatureStateEv
 void SAL_CALL SidebarController::requestLayout (void)
     throw(cssu::RuntimeException)
 {
+    sal_Int32 nMinimalWidth = 0;
     if (mpCurrentDeck)
+    {
         mpCurrentDeck->RequestLayout();
-    RestrictWidth();
+        nMinimalWidth = mpCurrentDeck->GetMinimalWidth();
+    }
+    RestrictWidth(nMinimalWidth);
 }
 
 
@@ -340,14 +344,16 @@ void SidebarController::NotifyResize (void)
     mpTabBar->Show();
 
     // Determine if the closer of the deck can be shown.
+    sal_Int32 nMinimalWidth = 0;
     if (mpCurrentDeck)
     {
         DeckTitleBar* pTitleBar = mpCurrentDeck->GetTitleBar();
         if (pTitleBar != NULL && pTitleBar->IsVisible())
             pTitleBar->SetCloserVisible(CanModifyChildWindowWidth());
+        nMinimalWidth = mpCurrentDeck->GetMinimalWidth();
     }
 
-    RestrictWidth();
+    RestrictWidth(nMinimalWidth);
 }
 
 
@@ -1050,7 +1056,7 @@ sal_Int32 SidebarController::SetChildWindowWidth (const sal_Int32 nNewWidth)
 
 
 
-void SidebarController::RestrictWidth (void)
+void SidebarController::RestrictWidth (sal_Int32 nWidth)
 {
     SfxSplitWindow* pSplitWindow = GetSplitWindow();
     if (pSplitWindow != NULL)
@@ -1059,7 +1065,7 @@ void SidebarController::RestrictWidth (void)
         const sal_uInt16 nSetId (pSplitWindow->GetSet(nId));
         pSplitWindow->SetItemSizeRange(
             nSetId,
-            Range(TabBar::GetDefaultWidth(), gnMaximumSidebarWidth));
+            Range(TabBar::GetDefaultWidth() + nWidth, gnMaximumSidebarWidth));
     }
 }
 

sfx2/source/sidebar/SidebarController.hxx

@@ -213,7 +213,7 @@ private:
     void UpdateTitleBarIcons (void);
 
     void UpdateDeckOpenState (void);
-    void RestrictWidth (void);
+    void RestrictWidth (sal_Int32 nWidth);
     SfxSplitWindow* GetSplitWindow (void);
     void ProcessNewWidth (const sal_Int32 nNewWidth);
     void UpdateCloseIndicator (const bool bIsIndicatorVisible);

sfx2/source/sidebar/SidebarPanelBase.cxx

@@ -248,4 +248,15 @@ ui::LayoutSize SAL_CALL SidebarPanelBase::getHeightForWidth (const sal_Int32 nWi
     return ui::LayoutSize(0,0,0);
 }
 
+sal_Int32 SAL_CALL SidebarPanelBase::getMinimalWidth () throw(cssu::RuntimeException)
+{
+    if (isLayoutEnabled(mpControl))
+    {
+        // widget layout-based sidebar
+        Size aSize(mpControl->GetOptimalSize());
+        return aSize.Width();
+    }
+    return 0;
+}
+
 } } // end of namespace sfx2::sidebar