Support using GetTextExtent() with empty string to get descent in wxOSX.

[wxWidgets.git] / include / wx / notebook.h

diff --git a/include/wx/notebook.h b/include/wx/notebook.h
index 49c559be4d6c3b07709f595124904f4e396f88c6..647ba0df0a486c6c784ab4d2b50e4adaef959ecd 100644 (file)
--- a/include/wx/notebook.h
+++ b/include/wx/notebook.h
@@ -1,3 +1,14 @@
+///////////////////////////////////////////////////////////////////////////////
+// Name:        wx/notebook.h
+// Purpose:     wxNotebook interface
+// Author:      Vadim Zeitlin
+// Modified by:
+// Created:     01.02.01
+// RCS-ID:      $Id$
+// Copyright:   (c) 1996-2000 Vadim Zeitlin
+// Licence:     wxWindows licence
+///////////////////////////////////////////////////////////////////////////////
+

 #ifndef _WX_NOTEBOOK_H_BASE_
 #define _WX_NOTEBOOK_H_BASE_
 
 #ifndef _WX_NOTEBOOK_H_BASE_
 #define _WX_NOTEBOOK_H_BASE_
 


@@ -5,83 +16,195 @@
 // headers
 // ----------------------------------------------------------------------------
 
 // headers
 // ----------------------------------------------------------------------------
 

-#include "wx/event.h"   // the base class: wxNotifyEvent
+#include "wx/defs.h"
+
+#if wxUSE_NOTEBOOK
+
+#include "wx/bookctrl.h"

 
 // ----------------------------------------------------------------------------
 
 // ----------------------------------------------------------------------------

-// notebook event class (used by NOTEBOOK_PAGE_CHANGED/ING events)
+// constants

 // ----------------------------------------------------------------------------
 
 // ----------------------------------------------------------------------------
 

-class WXDLLEXPORT wxNotebookEvent : public wxNotifyEvent
+// wxNotebook hit results, use wxBK_HITTEST so other book controls can share them
+// if wxUSE_NOTEBOOK is disabled
+enum

 {
 {

-public:
-    wxNotebookEvent(wxEventType commandType = wxEVT_NULL, int id = 0,
-                    int nSel = -1, int nOldSel = -1)
-        : wxNotifyEvent(commandType, id)
-        {
-            m_nSel = nSel;
-            m_nOldSel = nOldSel;
-        }
-
-    // accessors
-        // the currently selected page (-1 if none)
-    int GetSelection() const { return m_nSel; }
-    void SetSelection(int nSel) { m_nSel = nSel; }
-        // the page that was selected before the change (-1 if none)
-    int GetOldSelection() const { return m_nOldSel; }
-    void SetOldSelection(int nOldSel) { m_nOldSel = nOldSel; }
+    wxNB_HITTEST_NOWHERE = wxBK_HITTEST_NOWHERE,
+    wxNB_HITTEST_ONICON  = wxBK_HITTEST_ONICON,
+    wxNB_HITTEST_ONLABEL = wxBK_HITTEST_ONLABEL,
+    wxNB_HITTEST_ONITEM  = wxBK_HITTEST_ONITEM,
+    wxNB_HITTEST_ONPAGE  = wxBK_HITTEST_ONPAGE
+};
+
+// wxNotebook flags
+
+// use common book wxBK_* flags for describing alignment
+#define wxNB_DEFAULT          wxBK_DEFAULT
+#define wxNB_TOP              wxBK_TOP
+#define wxNB_BOTTOM           wxBK_BOTTOM
+#define wxNB_LEFT             wxBK_LEFT
+#define wxNB_RIGHT            wxBK_RIGHT
+
+#define wxNB_FIXEDWIDTH       0x0100
+#define wxNB_MULTILINE        0x0200
+#define wxNB_NOPAGETHEME      0x0400
+#define wxNB_FLAT             0x0800
+
+
+typedef wxWindow wxNotebookPage;  // so far, any window can be a page
+
+extern WXDLLIMPEXP_DATA_CORE(const char) wxNotebookNameStr[];
+
+#if wxUSE_EXTENDED_RTTI

 
 

+// ----------------------------------------------------------------------------
+// XTI accessor
+// ----------------------------------------------------------------------------
+
+class WXDLLEXPORT wxNotebookPageInfo : public wxObject
+{
+public:
+    wxNotebookPageInfo() { m_page = NULL; m_imageId = -1; m_selected = false; }
+    virtual ~wxNotebookPageInfo() { }
+    
+    bool Create(wxNotebookPage *page,
+                const wxString& text,
+                bool selected,
+                int imageId)
+    {
+        m_page = page;
+        m_text = text;
+        m_selected = selected;
+        m_imageId = imageId;
+        return true;
+    }
+    
+    wxNotebookPage* GetPage() const { return m_page; }
+    wxString GetText() const { return m_text; }
+    bool GetSelected() const { return m_selected; }
+    int GetImageId() const { return m_imageId; }
+    

 private:
 private:

-    int m_nSel,     // currently selected page
-        m_nOldSel;  // previously selected page
+    wxNotebookPage *m_page;
+    wxString m_text;
+    bool m_selected;
+    int m_imageId;
+    
+    DECLARE_DYNAMIC_CLASS(wxNotebookPageInfo)
+};
+
+WX_DECLARE_EXPORTED_LIST(wxNotebookPageInfo, wxNotebookPageInfoList );
+
+#endif
+
+// ----------------------------------------------------------------------------
+// wxNotebookBase: define wxNotebook interface
+// ----------------------------------------------------------------------------

 
 

-    DECLARE_DYNAMIC_CLASS(wxNotebookEvent)
+class WXDLLIMPEXP_CORE wxNotebookBase : public wxBookCtrlBase
+{
+public:
+    // ctors
+    // -----
+
+    wxNotebookBase() { }
+
+    // wxNotebook-specific additions to wxBookCtrlBase interface
+    // ---------------------------------------------------------
+
+    // get the number of rows for a control with wxNB_MULTILINE style (not all
+    // versions support it - they will always return 1 then)
+    virtual int GetRowCount() const { return 1; }
+
+    // set the padding between tabs (in pixels)
+    virtual void SetPadding(const wxSize& padding) = 0;
+
+    // set the size of the tabs for wxNB_FIXEDWIDTH controls
+    virtual void SetTabSize(const wxSize& sz) = 0;
+
+
+
+    // implement some base class functions
+    virtual wxSize CalcSizeFromPage(const wxSize& sizePage) const;
+
+    // On platforms that support it, get the theme page background colour, else invalid colour
+    virtual wxColour GetThemeBackgroundColour() const { return wxNullColour; }
+
+
+    // send wxEVT_NOTEBOOK_PAGE_CHANGING/ED events
+
+    // returns false if the change to nPage is vetoed by the program
+    bool SendPageChangingEvent(int nPage);
+
+    // sends the event about page change from old to new (or GetSelection() if
+    // new is wxNOT_FOUND)
+    void SendPageChangedEvent(int nPageOld, int nPageNew = wxNOT_FOUND);
+
+    // wxBookCtrlBase overrides this method to return false but we do need
+    // focus because we have tabs
+    virtual bool AcceptsFocus() const { return wxControl::AcceptsFocus(); }
+
+#if wxUSE_EXTENDED_RTTI    
+    // XTI accessors
+    virtual void AddPageInfo( wxNotebookPageInfo* info );
+    virtual const wxNotebookPageInfoList& GetPageInfos() const;
+#endif
+        
+protected:
+#if wxUSE_EXTENDED_RTTI    
+    wxNotebookPageInfoList m_pageInfos;
+#endif    
+    wxDECLARE_NO_COPY_CLASS(wxNotebookBase);

 };
 
 // ----------------------------------------------------------------------------
 };
 
 // ----------------------------------------------------------------------------

-// event macros
+// notebook event class and related stuff

 // ----------------------------------------------------------------------------
 
 // ----------------------------------------------------------------------------
 

-typedef void (wxEvtHandler::*wxNotebookEventFunction)(wxNotebookEvent&);
-
-#define EVT_NOTEBOOK_PAGE_CHANGED(id, fn)                                   \
-  {                                                                         \
-    wxEVT_COMMAND_NOTEBOOK_PAGE_CHANGED,                                    \
-    id,                                                                     \
-    -1,                                                                     \
-    (wxObjectEventFunction)(wxEventFunction)(wxNotebookEventFunction) &fn,  \
-    NULL                                                                    \
-  },
-
-#define EVT_NOTEBOOK_PAGE_CHANGING(id, fn)                                  \
-  {                                                                         \
-    wxEVT_COMMAND_NOTEBOOK_PAGE_CHANGING,                                   \
-    id,                                                                     \
-    -1,                                                                     \
-    (wxObjectEventFunction)(wxEventFunction)(wxNotebookEventFunction) &fn,  \
-    NULL                                                                    \
-  },
+// wxNotebookEvent is obsolete and defined for compatibility only (notice that
+// we use #define and not typedef to also keep compatibility with the existing
+// code which forward declares it)
+#define wxNotebookEvent wxBookCtrlEvent
+typedef wxBookCtrlEventFunction wxNotebookEventFunction;
+#define wxNotebookEventHandler(func) wxBookCtrlEventHandler(func)
+
+wxDECLARE_EXPORTED_EVENT( WXDLLIMPEXP_CORE, wxEVT_NOTEBOOK_PAGE_CHANGED, wxBookCtrlEvent );
+wxDECLARE_EXPORTED_EVENT( WXDLLIMPEXP_CORE, wxEVT_NOTEBOOK_PAGE_CHANGING, wxBookCtrlEvent );
+
+#define EVT_NOTEBOOK_PAGE_CHANGED(winid, fn) \
+    wx__DECLARE_EVT1(wxEVT_NOTEBOOK_PAGE_CHANGED, winid, wxBookCtrlEventHandler(fn))
+
+#define EVT_NOTEBOOK_PAGE_CHANGING(winid, fn) \
+    wx__DECLARE_EVT1(wxEVT_NOTEBOOK_PAGE_CHANGING, winid, wxBookCtrlEventHandler(fn))

 
 // ----------------------------------------------------------------------------
 // wxNotebook class itself
 // ----------------------------------------------------------------------------
 
 
 // ----------------------------------------------------------------------------
 // wxNotebook class itself
 // ----------------------------------------------------------------------------
 

-#if defined(__WXMSW__)
-#ifdef __WIN16__
-  #include  "wx/generic/notebook.h"
-#else
-  #include  "wx/msw/notebook.h"
-#endif
+#if defined(__WXUNIVERSAL__)
+    #include "wx/univ/notebook.h"
+#elif defined(__WXMSW__)
+    #include  "wx/msw/notebook.h"

 #elif defined(__WXMOTIF__)
 #elif defined(__WXMOTIF__)

-  #include  "wx/generic/notebook.h"
+    #include  "wx/generic/notebook.h"
+#elif defined(__WXGTK20__)
+    #include  "wx/gtk/notebook.h"

 #elif defined(__WXGTK__)
 #elif defined(__WXGTK__)

-  #include  "wx/gtk/notebook.h"
-#elif defined(__WXQT__)
-  #include  "wx/qt/notebook.h"
+    #include  "wx/gtk1/notebook.h"

 #elif defined(__WXMAC__)
 #elif defined(__WXMAC__)

-  #include  "wx/mac/notebook.h"
-#elif defined(__WXSTUBS__)
-  #include  "wx/stubs/notebook.h"
+    #include  "wx/osx/notebook.h"
+#elif defined(__WXCOCOA__)
+    #include  "wx/cocoa/notebook.h"
+#elif defined(__WXPM__)
+    #include  "wx/os2/notebook.h"

 #endif
 
 #endif
 

+// old wxEVT_COMMAND_* constants
+#define wxEVT_COMMAND_NOTEBOOK_PAGE_CHANGED    wxEVT_NOTEBOOK_PAGE_CHANGED
+#define wxEVT_COMMAND_NOTEBOOK_PAGE_CHANGING   wxEVT_NOTEBOOK_PAGE_CHANGING
+
+#endif // wxUSE_NOTEBOOK
+

 #endif
     // _WX_NOTEBOOK_H_BASE_
 #endif
     // _WX_NOTEBOOK_H_BASE_