account for scroll offset correctly in the mouse event handler

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

diff --git a/include/wx/bookctrl.h b/include/wx/bookctrl.h
index 3883770cf30f463e61fc53ecc842b71d2a8bfe70..005ef42c3cda35d67f7dec5c7fb5409835475948 100644 (file)
--- a/include/wx/bookctrl.h
+++ b/include/wx/bookctrl.h
@@ -1,21 +1,17 @@
 ///////////////////////////////////////////////////////////////////////////////
 // Name:        wx/bookctrl.h
 ///////////////////////////////////////////////////////////////////////////////
 // Name:        wx/bookctrl.h

-// Purpose:     wxBookCtrl: common base class for wxList/Tree/Notebook
+// Purpose:     wxBookCtrlBase: common base class for wxList/Tree/Notebook

 // Author:      Vadim Zeitlin
 // Modified by:
 // Created:     19.08.03
 // RCS-ID:      $Id$
 // Author:      Vadim Zeitlin
 // Modified by:
 // Created:     19.08.03
 // RCS-ID:      $Id$

-// Copyright:   (c) 2003 Vadim Zeitlin <vadim@wxwindows.org>
+// Copyright:   (c) 2003 Vadim Zeitlin <vadim@wxwidgets.org>

 // Licence:     wxWindows licence
 ///////////////////////////////////////////////////////////////////////////////
 
 #ifndef _WX_BOOKCTRL_H_
 #define _WX_BOOKCTRL_H_
 
 // Licence:     wxWindows licence
 ///////////////////////////////////////////////////////////////////////////////
 
 #ifndef _WX_BOOKCTRL_H_
 #define _WX_BOOKCTRL_H_
 

-#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
-    #pragma interface "bookctrl.h"
-#endif
-

 // ----------------------------------------------------------------------------
 // headers
 // ----------------------------------------------------------------------------
 // ----------------------------------------------------------------------------
 // headers
 // ----------------------------------------------------------------------------


@@ -29,29 +25,52 @@
 
 WX_DEFINE_EXPORTED_ARRAY_PTR(wxWindow *, wxArrayPages);
 
 
 WX_DEFINE_EXPORTED_ARRAY_PTR(wxWindow *, wxArrayPages);
 

-class WXDLLEXPORT wxImageList;
+class WXDLLIMPEXP_FWD_CORE wxImageList;
+class WXDLLIMPEXP_FWD_CORE wxBookCtrlEvent;
+
+// ----------------------------------------------------------------------------
+// constants
+// ----------------------------------------------------------------------------
+
+// wxBookCtrl hit results
+enum
+{
+    wxBK_HITTEST_NOWHERE = 1,   // not on tab
+    wxBK_HITTEST_ONICON  = 2,   // on icon
+    wxBK_HITTEST_ONLABEL = 4,   // on label
+    wxBK_HITTEST_ONITEM  = wxBK_HITTEST_ONICON | wxBK_HITTEST_ONLABEL,
+    wxBK_HITTEST_ONPAGE  = 8    // not on tab control, but over the selected page
+};
+
+// wxBookCtrl flags (common for wxNotebook, wxListbook, wxChoicebook, wxTreebook)
+#define wxBK_DEFAULT          0x0000
+#define wxBK_TOP              0x0010
+#define wxBK_BOTTOM           0x0020
+#define wxBK_LEFT             0x0040
+#define wxBK_RIGHT            0x0080
+#define wxBK_ALIGN_MASK       (wxBK_TOP | wxBK_BOTTOM | wxBK_LEFT | wxBK_RIGHT)

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

-// wxBookCtrl
+// wxBookCtrlBase

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

-class WXDLLEXPORT wxBookCtrl : public wxControl
+class WXDLLIMPEXP_CORE wxBookCtrlBase : public wxControl

 {
 public:
     // construction
     // ------------
 
 {
 public:
     // construction
     // ------------
 

-    wxBookCtrl()
+    wxBookCtrlBase()

     {
         Init();
     }
 
     {
         Init();
     }
 

-    wxBookCtrl(wxWindow *parent,
-               wxWindowID winid,
-               const wxPoint& pos = wxDefaultPosition,
-               const wxSize& size = wxDefaultSize,
-               long style = 0,
-               const wxString& name = wxEmptyString)
+    wxBookCtrlBase(wxWindow *parent,
+                   wxWindowID winid,
+                   const wxPoint& pos = wxDefaultPosition,
+                   const wxSize& size = wxDefaultSize,
+                   long style = 0,
+                   const wxString& name = wxEmptyString)

     {
         Init();
 
     {
         Init();
 


@@ -67,7 +86,7 @@ public:
                 const wxString& name = wxEmptyString);
 
     // dtor
                 const wxString& name = wxEmptyString);
 
     // dtor

-    virtual ~wxBookCtrl();
+    virtual ~wxBookCtrlBase();

 
 
     // accessors
 
 
     // accessors


@@ -77,7 +96,14 @@ public:
     virtual size_t GetPageCount() const { return m_pages.size(); }
 
     // get the panel which represents the given page
     virtual size_t GetPageCount() const { return m_pages.size(); }
 
     // get the panel which represents the given page

-    virtual wxWindow *GetPage(size_t n) { return m_pages[n]; }
+    wxWindow *GetPage(size_t n) const { return m_pages[n]; }
+
+    // get the current page or NULL if none
+    wxWindow *GetCurrentPage() const
+    {
+        const int n = GetSelection();
+        return n == wxNOT_FOUND ? NULL : GetPage(n);
+    }

 
     // get the currently selected page or wxNOT_FOUND if none
     virtual int GetSelection() const = 0;
 
     // get the currently selected page or wxNOT_FOUND if none
     virtual int GetSelection() const = 0;


@@ -114,6 +140,24 @@ public:
     // calculate the size of the control from the size of its page
     virtual wxSize CalcSizeFromPage(const wxSize& sizePage) const = 0;
 
     // calculate the size of the control from the size of its page
     virtual wxSize CalcSizeFromPage(const wxSize& sizePage) const = 0;
 

+    // get/set size of area between book control area and page area
+    unsigned int GetInternalBorder() const { return m_internalBorder; }
+    void SetInternalBorder(unsigned int border) { m_internalBorder = border; }
+
+    // Sets/gets the margin around the controller
+    void SetControlMargin(int margin) { m_controlMargin = margin; }
+    int GetControlMargin() const { return m_controlMargin; }
+
+    // returns true if we have wxBK_TOP or wxBK_BOTTOM style
+    bool IsVertical() const { return HasFlag(wxBK_BOTTOM | wxBK_TOP); }
+
+    // set/get option to shrink to fit current page
+    void SetFitToCurrentPage(bool fit) { m_fitToCurrentPage = fit; }
+    bool GetFitToCurrentPage() const { return m_fitToCurrentPage; }
+
+    // returns the sizer containing the control, if any
+    wxSizer* GetControlSizer() const { return m_controlSizer; }
+

 
     // operations
     // ----------
 
     // operations
     // ----------


@@ -122,10 +166,19 @@ public:
     virtual bool DeletePage(size_t n);
 
     // remove one page from the notebook, without deleting it
     virtual bool DeletePage(size_t n);
 
     // remove one page from the notebook, without deleting it

-    virtual bool RemovePage(size_t n) { return DoRemovePage(n) != NULL; }
+    virtual bool RemovePage(size_t n)
+    {
+        DoInvalidateBestSize();
+        return DoRemovePage(n) != NULL;
+    }

 
     // remove all pages and delete them
 
     // remove all pages and delete them

-    virtual bool DeleteAllPages() { WX_CLEAR_ARRAY(m_pages); return true; }
+    virtual bool DeleteAllPages()
+    {
+        DoInvalidateBestSize();
+        WX_CLEAR_ARRAY(m_pages);
+        return true;
+    }

 
     // adds a new page to the control
     virtual bool AddPage(wxWindow *page,
 
     // adds a new page to the control
     virtual bool AddPage(wxWindow *page,


@@ -133,6 +186,7 @@ public:
                          bool bSelect = false,
                          int imageId = -1)
     {
                          bool bSelect = false,
                          int imageId = -1)
     {

+        DoInvalidateBestSize();

         return InsertPage(GetPageCount(), page, text, bSelect, imageId);
     }
 
         return InsertPage(GetPageCount(), page, text, bSelect, imageId);
     }
 


@@ -146,9 +200,12 @@ public:
     // set the currently selected page, return the index of the previously
     // selected one (or -1 on error)
     //
     // set the currently selected page, return the index of the previously
     // selected one (or -1 on error)
     //

-    // NB: this function will _not_ generate PAGE_CHANGING/ED events
+    // NB: this function will generate PAGE_CHANGING/ED events

     virtual int SetSelection(size_t n) = 0;
 
     virtual int SetSelection(size_t n) = 0;
 

+    // acts as SetSelection but does not generate events
+    virtual int ChangeSelection(size_t n) = 0;
+

 
     // cycle thru the pages
     void AdvanceSelection(bool forward = true)
 
     // cycle thru the pages
     void AdvanceSelection(bool forward = true)


@@ -161,10 +218,64 @@ public:
         }
     }
 
         }
     }
 

-    virtual void ApplyParentThemeBackground(const wxColour& bg)
-        { SetBackgroundColour(bg); }
+    // hit test: returns which page is hit and, optionally, where (icon, label)
+    virtual int HitTest(const wxPoint& WXUNUSED(pt),
+                        long * WXUNUSED(flags) = NULL) const
+    {
+        return wxNOT_FOUND;
+    }
+
+
+    // we do have multiple pages
+    virtual bool HasMultiplePages() const { return true; }
+
+    // we don't want focus for ourselves
+    virtual bool AcceptsFocus() const { return false; }
+
+    // returns true if the platform should explicitly apply a theme border
+    virtual bool CanApplyThemeBorder() const { return false; }

 
 protected:
 
 protected:

+    // flags for DoSetSelection()
+    enum
+    {
+        SetSelection_SendEvent = 1
+    };
+
+    // choose the default border for this window
+    virtual wxBorder GetDefaultBorder() const { return wxBORDER_NONE; }
+
+    // set the selection to the given page, sending the events (which can
+    // possibly prevent the page change from taking place) if SendEvent flag is
+    // included
+    virtual int DoSetSelection(size_t nPage, int flags = 0);
+
+    // if the derived class uses DoSetSelection() for implementing
+    // [Set|Change]Selection, it must override UpdateSelectedPage(),
+    // CreatePageChangingEvent() and MakeChangedEvent(), but as it might not
+    // use it, these functions are not pure virtual
+
+    // called to notify the control about a new current page
+    virtual void UpdateSelectedPage(size_t WXUNUSED(newsel))
+        { wxFAIL_MSG(wxT("Override this function!")); }
+
+    // create a new "page changing" event
+    virtual wxBookCtrlEvent* CreatePageChangingEvent() const
+        { wxFAIL_MSG(wxT("Override this function!")); return NULL; }
+
+    // modify the event created by CreatePageChangingEvent() to "page changed"
+    // event, usually by just calling SetEventType() on it
+    virtual void MakeChangedEvent(wxBookCtrlEvent& WXUNUSED(event))
+        { wxFAIL_MSG(wxT("Override this function!")); }
+
+
+    // Should we accept NULL page pointers in Add/InsertPage()?
+    //
+    // Default is no but derived classes may override it if they can treat NULL
+    // pages in some sensible way (e.g. wxTreebook overrides this to allow
+    // having nodes without any associated page)
+    virtual bool AllowNullPage() const { return false; }
+

     // remove the page and return a pointer to it
     virtual wxWindow *DoRemovePage(size_t page) = 0;
 
     // remove the page and return a pointer to it
     virtual wxWindow *DoRemovePage(size_t page) = 0;
 


@@ -174,11 +285,19 @@ protected:
     // helper: get the next page wrapping if we reached the end
     int GetNextPage(bool forward) const;
 
     // helper: get the next page wrapping if we reached the end
     int GetNextPage(bool forward) const;
 

-    // common part of all ctors
-    void Init();
+    // Lay out controls
+    void DoSize();
+
+    // This method also invalidates the size of the controller and should be
+    // called instead of just InvalidateBestSize() whenever pages are added or
+    // removed as this also affects the controller
+    void DoInvalidateBestSize();
+
+#if wxUSE_HELP
+    // Show the help for the corresponding page
+    void OnHelp(wxHelpEvent& event);
+#endif // wxUSE_HELP

 
 

-    // Always rely on GetBestSize, which will look at all the pages
-    virtual void SetInitialBestSize(const wxSize& WXUNUSED(size)) { }

 
     // the array of all pages of this control
     wxArrayPages m_pages;
 
     // the array of all pages of this control
     wxArrayPages m_pages;


@@ -189,24 +308,61 @@ protected:
     // true if we must delete m_imageList
     bool m_ownsImageList;
 
     // true if we must delete m_imageList
     bool m_ownsImageList;
 

+    // get the page area
+    wxRect GetPageRect() const;

 
 

-    DECLARE_NO_COPY_CLASS(wxBookCtrl)
+    // event handlers
+    virtual wxSize GetControllerSize() const;
+    void OnSize(wxSizeEvent& event);
+
+    // controller buddy if available, NULL otherwise (usually for native book controls like wxNotebook)
+    wxControl *m_bookctrl;
+
+    // Whether to shrink to fit current page
+    bool m_fitToCurrentPage;
+
+    // the sizer containing the choice control
+    wxSizer *m_controlSizer;
+
+    // the margin around the choice control
+    int m_controlMargin;
+
+private:
+
+    // common part of all ctors
+    void Init();
+
+    // internal border
+    unsigned int m_internalBorder;
+
+    DECLARE_ABSTRACT_CLASS(wxBookCtrlBase)
+    DECLARE_NO_COPY_CLASS(wxBookCtrlBase)
+    DECLARE_EVENT_TABLE()

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

-// wxBookCtrlEvent: page changing events generated by derived classes
+// wxBookCtrlEvent: page changing events generated by book classes

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

-class WXDLLEXPORT wxBookCtrlEvent : public wxNotifyEvent
+class WXDLLIMPEXP_CORE wxBookCtrlEvent : public wxNotifyEvent

 {
 public:
     wxBookCtrlEvent(wxEventType commandType = wxEVT_NULL, int winid = 0,
 {
 public:
     wxBookCtrlEvent(wxEventType commandType = wxEVT_NULL, int winid = 0,

-                    int nSel = -1, int nOldSel = -1)
+                        int nSel = -1, int nOldSel = -1)

         : wxNotifyEvent(commandType, winid)
         : wxNotifyEvent(commandType, winid)

-        {
-            m_nSel = nSel;
-            m_nOldSel = nOldSel;
-        }
+    {
+        m_nSel = nSel;
+        m_nOldSel = nOldSel;
+    }
+
+    wxBookCtrlEvent(const wxBookCtrlEvent& event)
+        : wxNotifyEvent(event)
+    {
+        m_nSel = event.m_nSel;
+        m_nOldSel = event.m_nOldSel;
+    }
+
+    virtual wxEvent *Clone() const { return new wxBookCtrlEvent(*this); }

 
     // accessors
         // the currently selected page (-1 if none)
 
     // accessors
         // the currently selected page (-1 if none)


@@ -219,8 +375,45 @@ public:
 private:
     int m_nSel,     // currently selected page
         m_nOldSel;  // previously selected page
 private:
     int m_nSel,     // currently selected page
         m_nOldSel;  // previously selected page

+
+    DECLARE_DYNAMIC_CLASS_NO_ASSIGN(wxBookCtrlEvent)

 };
 
 };
 

+typedef void (wxEvtHandler::*wxBookCtrlEventFunction)(wxBookCtrlEvent&);
+
+#define wxBookCtrlEventHandler(func) \
+    (wxObjectEventFunction)(wxEventFunction)wxStaticCastEvent(wxBookCtrlEventFunction, &func)
+
+// obsolete name, defined for compatibility only
+#define wxBookCtrlBaseEvent wxBookCtrlEvent
+
+// make a default book control for given platform
+#if wxUSE_NOTEBOOK
+    // dedicated to majority of desktops
+    #include "wx/notebook.h"
+    #define wxBookCtrl                             wxNotebook
+    #define wxEVT_COMMAND_BOOKCTRL_PAGE_CHANGED    wxEVT_COMMAND_NOTEBOOK_PAGE_CHANGED
+    #define wxEVT_COMMAND_BOOKCTRL_PAGE_CHANGING   wxEVT_COMMAND_NOTEBOOK_PAGE_CHANGING
+    #define EVT_BOOKCTRL_PAGE_CHANGED(id, fn)      EVT_NOTEBOOK_PAGE_CHANGED(id, fn)
+    #define EVT_BOOKCTRL_PAGE_CHANGING(id, fn)     EVT_NOTEBOOK_PAGE_CHANGING(id, fn)
+#else
+    // dedicated to Smartphones
+    #include "wx/choicebk.h"
+    #define wxBookCtrl                             wxChoicebook
+    #define wxEVT_COMMAND_BOOKCTRL_PAGE_CHANGED    wxEVT_COMMAND_CHOICEBOOK_PAGE_CHANGED
+    #define wxEVT_COMMAND_BOOKCTRL_PAGE_CHANGING   wxEVT_COMMAND_CHOICEBOOK_PAGE_CHANGING
+    #define EVT_BOOKCTRL_PAGE_CHANGED(id, fn)      EVT_CHOICEBOOK_PAGE_CHANGED(id, fn)
+    #define EVT_BOOKCTRL_PAGE_CHANGING(id, fn)     EVT_CHOICEBOOK_PAGE_CHANGING(id, fn)
+#endif
+
+#if WXWIN_COMPATIBILITY_2_6
+    #define wxBC_TOP                               wxBK_TOP
+    #define wxBC_BOTTOM                            wxBK_BOTTOM
+    #define wxBC_LEFT                              wxBK_LEFT
+    #define wxBC_RIGHT                             wxBK_RIGHT
+    #define wxBC_DEFAULT                           wxBK_DEFAULT
+#endif
+

 #endif // wxUSE_BOOKCTRL
 
 #endif // _WX_BOOKCTRL_H_
 #endif // wxUSE_BOOKCTRL
 
 #endif // _WX_BOOKCTRL_H_