wxExecute may only be called from the main thread

[wxWidgets.git] / src / msw / notebook.cpp

diff --git a/src/msw/notebook.cpp b/src/msw/notebook.cpp
index 424201d9c643e79ee8b8afb8b738e6b7565cdabd..41bb0705240f6871dd96494f3a8e4523399f6512 100644 (file)
--- a/src/msw/notebook.cpp
+++ b/src/msw/notebook.cpp
@@ -141,45 +141,46 @@ bool wxNotebook::Create(wxWindow *parent,
                         long style,
                         const wxString& name)
 {
                         long style,
                         const wxString& name)
 {

-  // base init
-  if ( !CreateBase(parent, id, pos, size, style, wxDefaultValidator, name) )
-      return FALSE;
-
-  parent->AddChild(this);
-
-  // style
-  m_windowStyle = style | wxTAB_TRAVERSAL;
-
-  long tabStyle = WS_TABSTOP | TCS_TABS;
-
-  if ( m_windowStyle & wxBORDER )
-    tabStyle |= WS_BORDER;
-  if ( m_windowStyle & wxCLIP_SIBLINGS )
-    tabStyle |= WS_CLIPSIBLINGS;
-  if (m_windowStyle & wxCLIP_CHILDREN)
-    tabStyle |= WS_CLIPCHILDREN;
-
-  if ( m_windowStyle & wxTC_MULTILINE )
-    tabStyle |= TCS_MULTILINE;
-  if (m_windowStyle & wxNB_FIXEDWIDTH)
-    tabStyle |= TCS_FIXEDWIDTH ;
-  if (m_windowStyle & wxNB_BOTTOM)
-    tabStyle |= TCS_RIGHT;
-  if (m_windowStyle & wxNB_LEFT)
-    tabStyle |= TCS_VERTICAL;
-  if (m_windowStyle & wxNB_RIGHT)
-    tabStyle |= TCS_VERTICAL|TCS_RIGHT;
-
-  // note that we don't want to have the default WS_EX_CLIENTEDGE style for the
-  // notebook, so explicitly specify 0 as last parameter
-  if ( !MSWCreateControl(WC_TABCONTROL, tabStyle, pos, size, _T(""), 0) )
-  {
-    return FALSE;
-  }
+    // base init
+    if ( !CreateControl(parent, id, pos, size, style | wxTAB_TRAVERSAL,
+                        wxDefaultValidator, name) )
+        return FALSE;

 
 

-  SetBackgroundColour(wxColour(::GetSysColor(COLOR_BTNFACE)));
+    if ( !MSWCreateControl(WC_TABCONTROL, _T(""), pos, size) )
+        return FALSE;

 
 

-  return TRUE;
+    SetBackgroundColour(wxColour(::GetSysColor(COLOR_BTNFACE)));
+
+    return TRUE;
+}
+
+WXDWORD wxNotebook::MSWGetStyle(long style, WXDWORD *exstyle) const
+{
+    WXDWORD tabStyle = wxControl::MSWGetStyle(style, exstyle);
+
+    tabStyle |= WS_TABSTOP | TCS_TABS;
+
+    if ( style & wxNB_MULTILINE )
+        tabStyle |= TCS_MULTILINE;
+    if ( style & wxNB_FIXEDWIDTH )
+        tabStyle |= TCS_FIXEDWIDTH;
+
+    if ( style & wxNB_BOTTOM )
+        tabStyle |= TCS_RIGHT;
+    else if ( style & wxNB_LEFT )
+        tabStyle |= TCS_VERTICAL;
+    else if ( style & wxNB_RIGHT )
+        tabStyle |= TCS_VERTICAL | TCS_RIGHT;
+
+    // ex style
+    if ( exstyle )
+    {
+        // note that we never want to have the default WS_EX_CLIENTEDGE style
+        // as it looks too ugly for the notebooks
+        *exstyle = 0;
+    }
+
+    return tabStyle;

 }
 
 // ----------------------------------------------------------------------------
 }
 
 // ----------------------------------------------------------------------------


@@ -203,9 +204,23 @@ int wxNotebook::SetSelection(int nPage)
 {
   wxCHECK_MSG( IS_VALID_PAGE(nPage), -1, wxT("notebook page out of range") );
 
 {
   wxCHECK_MSG( IS_VALID_PAGE(nPage), -1, wxT("notebook page out of range") );
 

-  ChangePage(m_nSelection, nPage);
+  if ( nPage != m_nSelection )
+  {
+    wxNotebookEvent event(wxEVT_COMMAND_NOTEBOOK_PAGE_CHANGING, m_windowId);
+    event.SetSelection(nPage);
+    event.SetOldSelection(m_nSelection);
+    event.SetEventObject(this);
+    if ( !GetEventHandler()->ProcessEvent(event) || event.IsAllowed() )
+    {
+      // program allows the page change
+      event.SetEventType(wxEVT_COMMAND_NOTEBOOK_PAGE_CHANGED);
+      (void)GetEventHandler()->ProcessEvent(event);
+
+      TabCtrl_SetCurSel(m_hwnd, nPage);
+    }
+  }

 
 

-  return TabCtrl_SetCurSel(m_hwnd, nPage);
+  return m_nSelection;

 }
 
 bool wxNotebook::SetPageText(int nPage, const wxString& strText)
 }
 
 bool wxNotebook::SetPageText(int nPage, const wxString& strText)


@@ -302,48 +317,55 @@ void wxNotebook::SetTabSize(const wxSize& sz)
 // wxNotebook operations
 // ----------------------------------------------------------------------------
 
 // wxNotebook operations
 // ----------------------------------------------------------------------------
 

-// remove one page from the notebook
-bool wxNotebook::DeletePage(int nPage)
-{
-  wxCHECK_MSG( IS_VALID_PAGE(nPage), FALSE, wxT("notebook page out of range") );
-
-  if ( m_nSelection == nPage ) {
-      // advance selection backwards - the page being deleted shouldn't be left
-      // selected
-      AdvanceSelection(FALSE);
-  }
-
-  TabCtrl_DeleteItem(m_hwnd, nPage);
-
-  delete m_pages[nPage];
-  m_pages.RemoveAt(nPage);
-
-  if ( m_pages.IsEmpty() ) {
-      // no selection if the notebook became empty
-      m_nSelection = -1;
-  }
-  else
-      m_nSelection = TabCtrl_GetCurSel(m_hwnd);
-
-
-  return TRUE;
-}
-

 // remove one page from the notebook, without deleting
 wxNotebookPage *wxNotebook::DoRemovePage(int nPage)
 {
 // remove one page from the notebook, without deleting
 wxNotebookPage *wxNotebook::DoRemovePage(int nPage)
 {

-  wxNotebookPage *pageRemoved = wxNotebookBase::DoRemovePage(nPage);
-  if ( !pageRemoved )
-      return NULL;
+    wxNotebookPage *pageRemoved = wxNotebookBase::DoRemovePage(nPage);
+    if ( !pageRemoved )
+        return NULL;

 
 

-  TabCtrl_DeleteItem(m_hwnd, nPage);
+    TabCtrl_DeleteItem(m_hwnd, nPage);

 
 

-  if ( m_pages.IsEmpty() )
-    m_nSelection = -1;
-  else
-    m_nSelection = TabCtrl_GetCurSel(m_hwnd);
+    if ( m_pages.IsEmpty() )
+    {
+        // no selection any more, the notebook becamse empty
+        m_nSelection = -1;
+    }
+    else // notebook still not empty
+    {
+        // change the selected page if it was deleted or became invalid
+        int selNew;
+        if ( m_nSelection == GetPageCount() )
+        {
+            // last page deleted, make the new last page the new selection
+            selNew = m_nSelection - 1;
+        }
+        else if ( nPage <= m_nSelection )
+        {
+            // we must show another page, even if it has the same index
+            selNew = m_nSelection;
+        }
+        else // nothing changes for the currently selected page
+        {
+            selNew = -1;

 
 

-  return pageRemoved;
+            // we still must refresh the current page: this needs to be done
+            // for some unknown reason if the tab control shows the up-down
+            // control (i.e. when there are too many pages) -- otherwise after
+            // deleting a page nothing at all is shown
+            m_pages[m_nSelection]->Refresh();
+        }
+
+        if ( selNew != -1 )
+        {
+            // m_nSelection must be always valid so reset it before calling
+            // SetSelection()
+            m_nSelection = -1;
+            SetSelection(selNew);
+        }
+    }
+
+    return pageRemoved;

 }
 
 // remove all pages
 }
 
 // remove all pages


@@ -379,70 +401,85 @@ bool wxNotebook::InsertPage(int nPage,
                             bool bSelect,
                             int imageId)
 {
                             bool bSelect,
                             int imageId)
 {

-  wxASSERT( pPage != NULL );
-  wxCHECK( IS_VALID_PAGE(nPage) || nPage == GetPageCount(), FALSE );
+    wxCHECK_MSG( pPage != NULL, FALSE, _T("NULL page in wxNotebook::InsertPage") );
+    wxCHECK_MSG( IS_VALID_PAGE(nPage) || nPage == GetPageCount(), FALSE,
+                 _T("invalid index in wxNotebook::InsertPage") );

 
 

-  // do add the tab to the control

 
 

-  // init all fields to 0
-  TC_ITEM tcItem;
-  memset(&tcItem, 0, sizeof(tcItem));
+    // add a new tab to the control
+    // ----------------------------

 
 

-  if ( imageId != -1 )
-  {
-    tcItem.mask |= TCIF_IMAGE;
-    tcItem.iImage  = imageId;
-  }
+    // init all fields to 0
+    TC_ITEM tcItem;
+    wxZeroMemory(tcItem);

 
 

-  if ( !strText.IsEmpty() )
-  {
-    tcItem.mask |= TCIF_TEXT;
-    tcItem.pszText = (wxChar *)strText.c_str(); // const_cast
-  }
+    // set the image, if any
+    if ( imageId != -1 )
+    {
+        tcItem.mask |= TCIF_IMAGE;
+        tcItem.iImage  = imageId;
+    }

 
 

-  if ( TabCtrl_InsertItem(m_hwnd, nPage, &tcItem) == -1 ) {
-    wxLogError(wxT("Can't create the notebook page '%s'."), strText.c_str());
+    // and the text
+    if ( !strText.IsEmpty() )
+    {
+        tcItem.mask |= TCIF_TEXT;
+        tcItem.pszText = (wxChar *)strText.c_str(); // const_cast
+    }

 
 

-    return FALSE;
-  }
+    // fit the notebook page to the tab control's display area: this should be
+    // done before adding it to the notebook or TabCtrl_InsertItem() will
+    // change the notebooks size itself!
+    RECT rc;
+    rc.left = rc.top = 0;
+    GetSize((int *)&rc.right, (int *)&rc.bottom);
+    TabCtrl_AdjustRect(m_hwnd, FALSE, &rc);
+    pPage->SetSize(rc.left, rc.top, rc.right - rc.left, rc.bottom - rc.top);

 
 

-  // if the inserted page is before the selected one, we must update the
-  // index of the selected page
-  if ( nPage <= m_nSelection )
-  {
-    // one extra page added
-    m_nSelection++;
-  }

 
 

-  // save the pointer to the page
-  m_pages.Insert(pPage, nPage);
+    // finally do insert it
+    if ( TabCtrl_InsertItem(m_hwnd, nPage, &tcItem) == -1 ) {
+        wxLogError(wxT("Can't create the notebook page '%s'."), strText.c_str());

 
 

-  // don't show pages by default (we'll need to adjust their size first)
-  HWND hwnd = GetWinHwnd(pPage);
-  SetWindowLong(hwnd, GWL_STYLE, GetWindowLong(hwnd, GWL_STYLE) & ~WS_VISIBLE);
+        return FALSE;
+    }

 
 

-  // this updates internal flag too - otherwise it will get out of sync
-  pPage->Show(FALSE);
+    // succeeded: save the pointer to the page
+    m_pages.Insert(pPage, nPage);

 
 

-  // fit the notebook page to the tab control's display area
-  RECT rc;
-  rc.left = rc.top = 0;
-  GetSize((int *)&rc.right, (int *)&rc.bottom);
-  TabCtrl_AdjustRect(m_hwnd, FALSE, &rc);
-  pPage->SetSize(rc.left, rc.top, rc.right - rc.left, rc.bottom - rc.top);
+    // hide the page: unless it is selected, it shouldn't be shown (and if it
+    // is selected it will be shown later)
+    HWND hwnd = GetWinHwnd(pPage);
+    SetWindowLong(hwnd, GWL_STYLE, GetWindowLong(hwnd, GWL_STYLE) & ~WS_VISIBLE);

 
 

-  // some page should be selected: either this one or the first one if there is
-  // still no selection
-  int selNew = -1;
-  if ( bSelect )
-    selNew = nPage;
-  else if ( m_nSelection == -1 )
-    selNew = 0;
+    // this updates internal flag too -- otherwise it would get out of sync
+    // with the real state
+    pPage->Show(FALSE);

 
 

-  if ( selNew != -1 )
-    SetSelection(selNew);

 
 

-  return TRUE;
+    // now deal with the selection
+    // ---------------------------
+
+    // if the inserted page is before the selected one, we must update the
+    // index of the selected page
+    if ( nPage <= m_nSelection )
+    {
+        // one extra page added
+        m_nSelection++;
+    }
+
+    // some page should be selected: either this one or the first one if there
+    // is still no selection
+    int selNew = -1;
+    if ( bSelect )
+        selNew = nPage;
+    else if ( m_nSelection == -1 )
+        selNew = 0;
+
+    if ( selNew != -1 )
+        SetSelection(selNew);
+
+    return TRUE;

 }
 
 // ----------------------------------------------------------------------------
 }
 
 // ----------------------------------------------------------------------------


@@ -566,6 +603,8 @@ void wxNotebook::OnNavigationKey(wxNavigationKeyEvent& event)
 // wxNotebook base class virtuals
 // ----------------------------------------------------------------------------
 
 // wxNotebook base class virtuals
 // ----------------------------------------------------------------------------
 

+#if wxUSE_CONSTRAINTS
+

 // override these 2 functions to do nothing: everything is done in OnSize
 
 void wxNotebook::SetConstraintSizes(bool WXUNUSED(recurse))
 // override these 2 functions to do nothing: everything is done in OnSize
 
 void wxNotebook::SetConstraintSizes(bool WXUNUSED(recurse))


@@ -579,6 +618,23 @@ bool wxNotebook::DoPhase(int WXUNUSED(nPhase))
   return TRUE;
 }
 
   return TRUE;
 }
 

+#endif // wxUSE_CONSTRAINTS
+
+// ----------------------------------------------------------------------------
+// wxNotebook Windows message handlers
+// ----------------------------------------------------------------------------
+
+bool wxNotebook::MSWOnScroll(int orientation, WXWORD nSBCode,
+                             WXWORD pos, WXHWND control)
+{
+    // don't generate EVT_SCROLLWIN events for the WM_SCROLLs coming from the
+    // up-down control
+    if ( control )
+        return FALSE;
+
+    return wxNotebookBase::MSWOnScroll(orientation, nSBCode, pos, control);
+}
+

 bool wxNotebook::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM* result)
 {
   wxNotebookEvent event(wxEVT_NULL, m_windowId);
 bool wxNotebook::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM* result)
 {
   wxNotebookEvent event(wxEVT_NULL, m_windowId);


@@ -607,44 +663,4 @@ bool wxNotebook::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM* result)
   return processed;
 }
 
   return processed;
 }
 

-// ----------------------------------------------------------------------------
-// wxNotebook helper functions
-// ----------------------------------------------------------------------------
-
-// generate the page changing and changed events, hide the currently active
-// panel and show the new one
-void wxNotebook::ChangePage(int nOldSel, int nSel)
-{
-  // MT-FIXME should use a real semaphore
-  static bool s_bInsideChangePage = FALSE;
-
-  // when we call ProcessEvent(), our own OnSelChange() is called which calls
-  // this function - break the infinite loop
-  if ( s_bInsideChangePage )
-    return;
-
-  // it's not an error (the message may be generated by the tab control itself)
-  // and it may happen - just do nothing
-  if ( nSel == nOldSel )
-    return;
-
-  s_bInsideChangePage = TRUE;
-
-  wxNotebookEvent event(wxEVT_COMMAND_NOTEBOOK_PAGE_CHANGING, m_windowId);
-  event.SetSelection(nSel);
-  event.SetOldSelection(nOldSel);
-  event.SetEventObject(this);
-  if ( GetEventHandler()->ProcessEvent(event) && !event.IsAllowed() )
-  {
-    // program doesn't allow the page change
-    s_bInsideChangePage = FALSE;
-    return;
-  }
-
-  event.SetEventType(wxEVT_COMMAND_NOTEBOOK_PAGE_CHANGED);
-  GetEventHandler()->ProcessEvent(event);
-
-  s_bInsideChangePage = FALSE;
-}
-

 #endif // wxUSE_NOTEBOOK
 #endif // wxUSE_NOTEBOOK