X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/2437f26ca50fae0c76d3dddc85b0356755dda9fb..e508567a95c7858f7bbf21d37c189fdd6f3eac2e:/src/generic/listbkg.cpp?ds=inline

diff --git a/src/generic/listbkg.cpp b/src/generic/listbkg.cpp
index b82b9dde2f..e9b4baa656 100644
--- a/src/generic/listbkg.cpp
+++ b/src/generic/listbkg.cpp
@@ -45,7 +45,14 @@
 const wxCoord MARGIN = 5;
 
 // ----------------------------------------------------------------------------
-// various wxWindows macros
+// various wxWidgets macros
+// ----------------------------------------------------------------------------
+
+// check that the page index is valid
+#define IS_VALID_PAGE(nPage) ((nPage) < GetPageCount())
+
+// ----------------------------------------------------------------------------
+// event table
 // ----------------------------------------------------------------------------
 
 IMPLEMENT_DYNAMIC_CLASS(wxListbook, wxControl)
@@ -55,7 +62,7 @@ const wxEventType wxEVT_COMMAND_LISTBOOK_PAGE_CHANGING = wxNewEventType();
 const wxEventType wxEVT_COMMAND_LISTBOOK_PAGE_CHANGED = wxNewEventType();
 const int wxID_LISTBOOKLISTVIEW = wxNewId();
 
-BEGIN_EVENT_TABLE(wxListbook, wxBookCtrl)
+BEGIN_EVENT_TABLE(wxListbook, wxBookCtrlBase)
     EVT_SIZE(wxListbook::OnSize)
     EVT_LIST_ITEM_SELECTED(wxID_LISTBOOKLISTVIEW, wxListbook::OnListSelected)
 END_EVENT_TABLE()
@@ -117,7 +124,7 @@ wxListbook::Create(wxWindow *parent,
     m_line = new wxStaticLine
                  (
                     this,
-                    -1,
+                    wxID_ANY,
                     wxDefaultPosition,
                     wxDefaultSize,
                     IsVertical() ? wxLI_HORIZONTAL : wxLI_VERTICAL
@@ -127,7 +134,7 @@ wxListbook::Create(wxWindow *parent,
 #ifdef __WXMSW__
     // On XP with themes enabled the GetViewRect used in GetListSize to
     // determine the space needed for the list view will incorrectly return
-    // (0,0,0,0) the first time.  So send a pending event so OnSize wiull be
+    // (0,0,0,0) the first time.  So send a pending event so OnSize will be
     // called again after the window is ready to go.  Technically we don't
     // need to do this on non-XP windows, but if things are already sized
     // correctly then nothing changes and so there is no harm.
@@ -165,7 +172,8 @@ wxRect wxListbook::GetPageRect() const
 {
     const wxSize sizeList = m_list->GetSize();
 
-    wxRect rectPage(wxPoint(0, 0), GetClientSize());
+    wxPoint pt;
+    wxRect rectPage(pt, GetClientSize());
     switch ( GetWindowStyle() & wxLB_ALIGN_MASK )
     {
         default:
@@ -233,7 +241,7 @@ void wxListbook::OnSize(wxSizeEvent& event)
 #if wxUSE_LINE_IN_LISTBOOK
     if ( m_line )
     {
-        wxRect rectLine(wxPoint(0, 0), sizeClient);
+        wxRect rectLine(sizeClient);
 
         switch ( GetWindowStyle() & wxLB_ALIGN_MASK )
         {
@@ -262,23 +270,13 @@ void wxListbook::OnSize(wxSizeEvent& event)
     }
 #endif // wxUSE_LINE_IN_LISTBOOK
 
-    // we should always have some selection if possible
-    if ( m_selection == wxNOT_FOUND && GetPageCount() )
-    {
-        SetSelection(0);
-    }
-
-    if ( m_selection != wxNOT_FOUND )
+    // resize the currently shown page
+    if (m_selection != wxNOT_FOUND )
     {
         wxWindow *page = m_pages[m_selection];
         wxCHECK_RET( page, _T("NULL page in wxListbook?") );
-
         page->SetSize(GetPageRect());
-        if ( !page->IsShown() )
-        {
-            page->Show();
         }
-    }
 }
 
 wxSize wxListbook::CalcSizeFromPage(const wxSize& sizePage) const
@@ -325,7 +323,7 @@ int wxListbook::GetPageImage(size_t WXUNUSED(n)) const
 
 bool wxListbook::SetPageImage(size_t n, int imageId)
 {
-    return m_list->SetItemImage(n, imageId, imageId);
+    return m_list->SetItemImage(n, imageId);
 }
 
 // ----------------------------------------------------------------------------
@@ -336,7 +334,7 @@ void wxListbook::SetImageList(wxImageList *imageList)
 {
     m_list->SetImageList(imageList, wxIMAGE_LIST_NORMAL);
 
-    wxBookCtrl::SetImageList(imageList);
+    wxBookCtrlBase::SetImageList(imageList);
 }
 
 // ----------------------------------------------------------------------------
@@ -350,25 +348,40 @@ int wxListbook::GetSelection() const
 
 int wxListbook::SetSelection(size_t n)
 {
-    wxCHECK_MSG( n < GetPageCount(), wxNOT_FOUND,
-                 _T("invalid page index in wxListbook::SetSelection()") );
+    wxCHECK_MSG( IS_VALID_PAGE(n), wxNOT_FOUND,
+                 wxT("invalid page index in wxListbook::SetSelection()") );
 
-    int selOld = m_selection;
+    const int oldSel = m_selection;
 
-    if ( (int)n != m_selection )
+    if ( int(n) != m_selection )
     {
-        m_list->Select(n);
-        m_list->Focus(n);
+        wxListbookEvent event(wxEVT_COMMAND_LISTBOOK_PAGE_CHANGING, m_windowId);
+        event.SetSelection(n);
+        event.SetOldSelection(m_selection);
+        event.SetEventObject(this);
+        if ( !GetEventHandler()->ProcessEvent(event) || event.IsAllowed() )
+        {
+            if ( m_selection != wxNOT_FOUND )
+                m_pages[m_selection]->Hide();
+
+            wxWindow *page = m_pages[n];
+            page->SetSize(GetPageRect());
+            page->Show();
+
+            // change m_selection now to ignore the selection change event
+            m_selection = n;
+            m_list->Select(n);
+            m_list->Focus(n);
 
-        // change m_selection only now, otherwise OnListSelected() would ignore
-        // the selection change event
-        m_selection = n;
+            // program allows the page change
+            event.SetEventType(wxEVT_COMMAND_LISTBOOK_PAGE_CHANGED);
+            (void)GetEventHandler()->ProcessEvent(event);
+        }
     }
 
-    return selOld;
+    return oldSel;
 }
 
-
 // ----------------------------------------------------------------------------
 // adding/removing the pages
 // ----------------------------------------------------------------------------
@@ -380,36 +393,75 @@ wxListbook::InsertPage(size_t n,
                        bool bSelect,
                        int imageId)
 {
-    if ( !wxBookCtrl::InsertPage(n, page, text, bSelect, imageId) )
+    if ( !wxBookCtrlBase::InsertPage(n, page, text, bSelect, imageId) )
         return false;
 
     m_list->InsertItem(n, text, imageId);
 
-    if ( bSelect )
+    // if the inserted page is before the selected one, we must update the
+    // index of the selected page
+    if ( int(n) <= m_selection )
     {
-        m_list->Select(n);
-        m_list->Focus(n);
+        // one extra page added
+        m_selection++;
+        m_list->Select(m_selection);
+        m_list->Focus(m_selection);
     }
-    else // don't select this page
-    {
-        // it will be shown only when selected
+
+    // some page should be selected: either this one or the first one if there
+    // is still no selection
+    int selNew = -1;
+    if ( bSelect )
+        selNew = n;
+    else if ( m_selection == -1 )
+        selNew = 0;
+
+    if ( selNew != m_selection )
         page->Hide();
-    }
 
+    if ( selNew != -1 )
+        SetSelection(selNew);
+
+    InvalidateBestSize();
     return true;
 }
 
 wxWindow *wxListbook::DoRemovePage(size_t page)
 {
-    wxWindow *win = wxBookCtrl::DoRemovePage(page);
+    const int page_count = GetPageCount();
+    wxWindow *win = wxBookCtrlBase::DoRemovePage(page);
+
     if ( win )
     {
         m_list->DeleteItem(page);
+
+        if (m_selection >= (int)page)
+        {
+            // force new sel valid if possible
+            int sel = m_selection - 1;
+            if (page_count == 1)
+                sel = wxNOT_FOUND;
+            else if ((page_count == 2) || (sel == -1))
+                sel = 0;
+
+            // force sel invalid if deleting current page - don't try to hide it
+            m_selection = (m_selection == (int)page) ? wxNOT_FOUND : m_selection - 1;
+
+            if ((sel != wxNOT_FOUND) && (sel != m_selection))
+                SetSelection(sel);
+        }
     }
 
     return win;
 }
 
+
+bool wxListbook::DeleteAllPages()
+{
+    m_list->DeleteAllItems();
+    return wxBookCtrlBase::DeleteAllPages();
+}
+
 // ----------------------------------------------------------------------------
 // wxListbook events
 // ----------------------------------------------------------------------------
@@ -426,32 +478,14 @@ void wxListbook::OnListSelected(wxListEvent& eventList)
         return;
     }
 
-    // first send "change in progress" event which may be vetoed by user
-    wxListbookEvent eventIng(wxEVT_COMMAND_LISTBOOK_PAGE_CHANGING, GetId());
+    SetSelection(selNew);
 
-    eventIng.SetEventObject(this);
-    eventIng.SetSelection(selNew);
-    eventIng.SetOldSelection(m_selection);
-    if ( GetEventHandler()->ProcessEvent(eventIng) && !eventIng.IsAllowed() )
+    // change wasn't allowed, return to previous state
+    if (m_selection != selNew)
     {
         m_list->Select(m_selection);
-        return;
+        m_list->Focus(m_selection);
     }
-
-    // change allowed: do change the page and notify the user about it
-    if ( m_selection != wxNOT_FOUND )
-        m_pages[m_selection]->Hide();
-    wxWindow *page = m_pages[m_selection = selNew];
-    page->SetSize(GetPageRect());
-    page->Show();
-
-    wxListbookEvent eventEd(wxEVT_COMMAND_LISTBOOK_PAGE_CHANGED, GetId());
-
-    eventEd.SetEventObject(this);
-    eventEd.SetSelection(selNew);
-    eventEd.SetOldSelection(m_selection);
-
-    (void)GetEventHandler()->ProcessEvent(eventEd);
 }
 
 #endif // wxUSE_LISTBOOK