Avoid crash in SelectAll if there are no nodes besides the root

[wxWidgets.git] / wxPython / src / _notebook.i

/////////////////////////////////////////////////////////////////////////////
// Name:        _notebook.i
// Purpose:     SWIG interface defs for wxNotebook and such
//
// Author:      Robin Dunn
//
// Created:     2-June-1998
// RCS-ID:      $Id$
// Copyright:   (c) 2003 by Total Control Software
// Licence:     wxWindows license
/////////////////////////////////////////////////////////////////////////////

// Not a %module


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

MAKE_CONST_WXSTRING(NotebookNameStr);

//---------------------------------------------------------------------------
%newgroup


enum {
    wxBK_DEFAULT,
    wxBK_TOP,
    wxBK_BOTTOM,
    wxBK_LEFT,
    wxBK_RIGHT,
    wxBK_ALIGN_MASK,
    wxBK_BUTTONBAR
};


// TODO:  Virtualize this class so other book controls can be derived in Python

MustHaveApp(wxBookCtrlBase);

//  Common base class for wxList/Tree/Notebook
class wxBookCtrlBase : public wxControl
{
public:
    // This is an ABC, it can't be constructed...

//     wxBookCtrlBase(wxWindow *parent,
//                wxWindowID id,
//                const wxPoint& pos = wxDefaultPosition,
//                const wxSize& size = wxDefaultSize,
//                long style = 0,
//                const wxString& name = wxPyEmptyString);
//     %RenameCtor(PreBookCtrlBase, wxBookCtrlBase());
//     bool Create(wxWindow *parent,
//                 wxWindowID id,
//                 const wxPoint& pos = wxDefaultPosition,
//                 const wxSize& size = wxDefaultSize,
//                 long style = 0,
//                 const wxString& name = wxPyEmptyString);


    // get number of pages in the dialog
    virtual size_t GetPageCount() const;

    // get the panel which represents the given page
    virtual wxWindow *GetPage(size_t n);

    // get the current page or NULL if none
    wxWindow* GetCurrentPage() const;

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

    // set/get the title of a page
    virtual bool SetPageText(size_t n, const wxString& strText)/* = 0*/;
    virtual wxString GetPageText(size_t n) const/* = 0*/;


    // image list stuff: each page may have an image associated with it (all
    // images belong to the same image list)

    // sets the image list to use, it is *not* deleted by the control
    virtual void SetImageList(wxImageList *imageList);

    // as SetImageList() but we will delete the image list ourselves
    %disownarg( wxImageList *imageList );
    void AssignImageList(wxImageList *imageList);
    %cleardisown( wxImageList *imageList );

    // get pointer (may be NULL) to the associated image list
    wxImageList* GetImageList() const;

    // sets/returns item's image index in the current image list
    virtual int GetPageImage(size_t n) const/* = 0*/;
    virtual bool SetPageImage(size_t n, int imageId)/* = 0*/;


    // resize the notebook so that all pages will have the specified size
    virtual void SetPageSize(const wxSize& size);

    // 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;
    void SetInternalBorder(unsigned int internalBorder);

    // returns true if we have wxCHB_TOP or wxCHB_BOTTOM style
    bool IsVertical() const;

    // Sets/gets the margin around the controller
    void SetControlMargin(int margin);
    int GetControlMargin() const;

    // set/get option to shrink to fit current page
    void SetFitToCurrentPage(bool fit);
    bool GetFitToCurrentPage() const;

    // returns the sizer containing the control, if any
    wxSizer* GetControlSizer() const;


    // remove one page from the control and delete it
    virtual bool DeletePage(size_t n);

    // remove one page from the notebook, without deleting it
    virtual bool RemovePage(size_t n);

    // remove all pages and delete them
    virtual bool DeleteAllPages();

    // adds a new page to the control
    virtual bool AddPage(wxWindow *page,
                         const wxString& text,
                         bool select = false,
                         int imageId = -1);

    // the same as AddPage(), but adds the page at the specified position
    virtual bool InsertPage(size_t n,
                            wxWindow *page,
                            const wxString& text,
                            bool select = false,
                            int imageId = -1)/* = 0*/;

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


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

    DocDeclAStr(
        virtual int, HitTest(const wxPoint& pt, long* OUTPUT) const,
        "HitTest(Point pt) -> (tab, where)",
        "Returns the page/tab which is hit, and flags indicating where using
wx.NB_HITTEST flags.", "");

    static wxVisualAttributes
    GetClassDefaultAttributes(wxWindowVariant variant = wxWINDOW_VARIANT_NORMAL);
};



class wxBookCtrlBaseEvent : public wxNotifyEvent
{
public:
    wxBookCtrlBaseEvent(wxEventType commandType = wxEVT_NULL, int id = 0,
                    int nSel = -1, int nOldSel = -1);

        // the currently selected page (-1 if none)
    int GetSelection() const;
    void SetSelection(int nSel);
        // the page that was selected before the change (-1 if none)
    int GetOldSelection() const;
    void SetOldSelection(int nOldSel);
};



//---------------------------------------------------------------------------
%newgroup

enum {
    // styles
    wxNB_FIXEDWIDTH,
    wxNB_TOP,
    wxNB_LEFT,
    wxNB_RIGHT,
    wxNB_BOTTOM,
    wxNB_MULTILINE,
    wxNB_NOPAGETHEME,

    // hittest flags
    wxNB_HITTEST_NOWHERE = 1,   // not on tab
    wxNB_HITTEST_ONICON  = 2,   // on icon
    wxNB_HITTEST_ONLABEL = 4,   // on label
    wxNB_HITTEST_ONITEM  = wxNB_HITTEST_ONICON | wxNB_HITTEST_ONLABEL,
    wxNB_HITTEST_ONPAGE = 8
};



MustHaveApp(wxNotebook);

class wxNotebook : public wxBookCtrlBase {
public:
    %pythonAppend wxNotebook         "self._setOORInfo(self)"
    %pythonAppend wxNotebook()       ""
    %typemap(out) wxNotebook*;    // turn off this typemap

    wxNotebook(wxWindow *parent,
               wxWindowID id=-1,
               const wxPoint& pos = wxDefaultPosition,
               const wxSize& size = wxDefaultSize,
               long style = 0,
               const wxString& name = wxPyNotebookNameStr);
    %RenameCtor(PreNotebook, wxNotebook());

    // Turn it back on again
    %typemap(out) wxNotebook* { $result = wxPyMake_wxObject($1, $owner); }

    bool Create(wxWindow *parent,
               wxWindowID id=-1,
               const wxPoint& pos = wxDefaultPosition,
               const wxSize& size = wxDefaultSize,
               long style = 0,
               const wxString& name = wxPyNotebookNameStr);


    // 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;

    // set the padding between tabs (in pixels)
    virtual void SetPadding(const wxSize& padding);

    // set the size of the tabs for wxNB_FIXEDWIDTH controls
    virtual void SetTabSize(const wxSize& sz);

    // 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
    wxColour GetThemeBackgroundColour() const;

    static wxVisualAttributes
    GetClassDefaultAttributes(wxWindowVariant variant = wxWINDOW_VARIANT_NORMAL);
};



class wxNotebookEvent : public wxBookCtrlBaseEvent
{
public:
    wxNotebookEvent(wxEventType commandType = wxEVT_NULL, int id = 0,
                    int nSel = -1, int nOldSel = -1);

};

// notebook control event types
%constant wxEventType wxEVT_COMMAND_NOTEBOOK_PAGE_CHANGED;
%constant wxEventType wxEVT_COMMAND_NOTEBOOK_PAGE_CHANGING;


%pythoncode {
    %# wxNotebook events
    EVT_NOTEBOOK_PAGE_CHANGED  = wx.PyEventBinder( wxEVT_COMMAND_NOTEBOOK_PAGE_CHANGED, 1 )
    EVT_NOTEBOOK_PAGE_CHANGING = wx.PyEventBinder( wxEVT_COMMAND_NOTEBOOK_PAGE_CHANGING, 1 )
}


%pythoncode {
%#----------------------------------------------------------------------------

class NotebookPage(wx.Panel):
    """
    There is an old (and apparently unsolvable) bug when placing a
    window with a nonstandard background colour in a wx.Notebook on
    wxGTK1, as the notbooks's background colour would always be used
    when the window is refreshed.  The solution is to place a panel in
    the notbook and the coloured window on the panel, sized to cover
    the panel.  This simple class does that for you, just put an
    instance of this in the notebook and make your regular window a
    child of this one and it will handle the resize for you.
    """
    def __init__(self, parent, id=-1,
                 pos=wx.DefaultPosition, size=wx.DefaultSize,
                 style=wx.TAB_TRAVERSAL, name="panel"):
        wx.Panel.__init__(self, parent, id, pos, size, style, name)
        self.child = None
        self.Bind(wx.EVT_SIZE, self.OnSize)

    def OnSize(self, evt):
        if self.child is None:
            children = self.GetChildren()
            if len(children):
                self.child = children[0]
        if self.child:
            self.child.SetPosition((0,0))
            self.child.SetSize(self.GetSize())

}

//---------------------------------------------------------------------------
%newgroup


enum
{
    // default alignment: left everywhere except Mac where it is top
    wxLB_DEFAULT = 0,

    // put the list control to the left/right/top/bottom of the page area
    wxLB_TOP    = 0x1,
    wxLB_BOTTOM = 0x2,
    wxLB_LEFT   = 0x4,
    wxLB_RIGHT  = 0x8,

    // the mask which can be used to extract the alignment from the style
    wxLB_ALIGN_MASK = 0xf,
};



MustHaveApp(wxListbook);

//  wxListCtrl and wxNotebook combination
class wxListbook : public wxBookCtrlBase
{
public:
    %pythonAppend wxListbook         "self._setOORInfo(self)"
    %pythonAppend wxListbook()       ""

    wxListbook(wxWindow *parent,
               wxWindowID id=-1,
               const wxPoint& pos = wxDefaultPosition,
               const wxSize& size = wxDefaultSize,
               long style = 0,
               const wxString& name = wxPyEmptyString);
    %RenameCtor(PreListbook, wxListbook());

    bool Create(wxWindow *parent,
                wxWindowID id=-1,
                const wxPoint& pos = wxDefaultPosition,
                const wxSize& size = wxDefaultSize,
                long style = 0,
                const wxString& name = wxPyEmptyString);

    wxListView* GetListView();
};



class wxListbookEvent : public wxBookCtrlBaseEvent
{
public:
    wxListbookEvent(wxEventType commandType = wxEVT_NULL, int id = 0,
                    int nSel = -1, int nOldSel = -1);
};


%constant wxEventType wxEVT_COMMAND_LISTBOOK_PAGE_CHANGED;
%constant wxEventType wxEVT_COMMAND_LISTBOOK_PAGE_CHANGING;

%pythoncode {
    EVT_LISTBOOK_PAGE_CHANGED  = wx.PyEventBinder( wxEVT_COMMAND_LISTBOOK_PAGE_CHANGED, 1 )
    EVT_LISTBOOK_PAGE_CHANGING = wx.PyEventBinder( wxEVT_COMMAND_LISTBOOK_PAGE_CHANGING, 1 )
}


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


/*
 * wxChoicebook flags
 */
enum {
    wxCHB_DEFAULT,
    wxCHB_TOP,
    wxCHB_BOTTOM,
    wxCHB_LEFT,
    wxCHB_RIGHT,
    wxCHB_ALIGN_MASK
};


MustHaveApp(wxChoicebook);

class wxChoicebook : public wxBookCtrlBase
{
public:
    %pythonAppend wxChoicebook         "self._setOORInfo(self)"
    %pythonAppend wxChoicebook()       ""

    wxChoicebook(wxWindow *parent,
                 wxWindowID id,
                 const wxPoint& pos = wxDefaultPosition,
                 const wxSize& size = wxDefaultSize,
                 long style = 0,
                 const wxString& name = wxPyEmptyString);
    %RenameCtor(PreChoicebook, wxChoicebook());

    // quasi ctor
    bool Create(wxWindow *parent,
                wxWindowID id,
                const wxPoint& pos = wxDefaultPosition,
                const wxSize& size = wxDefaultSize,
                long style = 0,
                const wxString& name = wxPyEmptyString);


    // returns the choice control
    wxChoice* GetChoiceCtrl() const;

    virtual bool DeleteAllPages();
};


class wxChoicebookEvent : public wxBookCtrlBaseEvent
{
public:
    wxChoicebookEvent(wxEventType commandType = wxEVT_NULL, int id = 0,
                      int nSel = -1, int nOldSel = -1);
};

%constant wxEventType wxEVT_COMMAND_CHOICEBOOK_PAGE_CHANGED;
%constant wxEventType wxEVT_COMMAND_CHOICEBOOK_PAGE_CHANGING;

%pythoncode {
    EVT_CHOICEBOOK_PAGE_CHANGED  = wx.PyEventBinder( wxEVT_COMMAND_CHOICEBOOK_PAGE_CHANGED, 1 )
    EVT_CHOICEBOOK_PAGE_CHANGING = wx.PyEventBinder( wxEVT_COMMAND_CHOICEBOOK_PAGE_CHANGING, 1 )
}

//---------------------------------------------------------------------------
%newgroup;

MustHaveApp(wxTreebook);

class wxTreebook : public wxBookCtrlBase
{
public:
    %pythonAppend wxTreebook         "self._setOORInfo(self)"
    %pythonAppend wxTreebook()       ""


    // This ctor creates the tree book control
    wxTreebook(wxWindow *parent,
               wxWindowID id,
               const wxPoint& pos = wxDefaultPosition,
               const wxSize& size = wxDefaultSize,
               long style = wxBK_DEFAULT,
               const wxString& name = wxPyEmptyString);

    %RenameCtor(PreTreebook, wxTreebook());


    // Really creates the control
    bool Create(wxWindow *parent,
                wxWindowID id,
                const wxPoint& pos = wxDefaultPosition,
                const wxSize& size = wxDefaultSize,
                long style = wxBK_DEFAULT,
                const wxString& name = wxPyEmptyString);


    // Notice that page pointer may be NULL in which case the next non NULL
    // page (usually the first child page of a node) is shown when this page is
    // selected

    // Inserts a new page just before the page indicated by page.
    // The new page is placed on the same level as page.
    virtual bool InsertPage(size_t pos,
                            wxWindow *page,
                            const wxString& text,
                            bool select = false,
                            int imageId = wxNOT_FOUND);

    // Inserts a new sub-page to the end of children of the page at given pos.
    virtual bool InsertSubPage(size_t pos,
                               wxWindow *page,
                               const wxString& text,
                               bool select = false,
                               int imageId = wxNOT_FOUND);

    // Adds a new page at top level after all other pages.
    virtual bool AddPage(wxWindow *page,
                         const wxString& text,
                         bool select = false,
                         int imageId = wxNOT_FOUND);

    // Adds a new child-page to the last top-level page inserted.
    // Useful when constructing 1 level tree structure.
    virtual bool AddSubPage(wxWindow *page,
                            const wxString& text,
                            bool select = false,
                            int imageId = wxNOT_FOUND);

    // Deletes the page and ALL its children. Could trigger page selection
    // change in a case when selected page is removed. In that case its parent
    // is selected (or the next page if no parent).
    virtual bool DeletePage(size_t pos);


    // Tree operations
    // ---------------

    // Gets the page node state -- node is expanded or collapsed
    virtual bool IsNodeExpanded(size_t pos) const;

    // Expands or collapses the page node. Returns the previous state.
    // May generate page changing events (if selected page
    // is under the collapsed branch, then parent is autoselected).
    virtual bool ExpandNode(size_t pos, bool expand = true);

    // shortcut for ExpandNode(pos, false)
    bool CollapseNode(size_t pos);

    // get the parent page or wxNOT_FOUND if this is a top level page
    int GetPageParent(size_t pos) const;

    // the tree control we use for showing the pages index tree
    wxTreeCtrl* GetTreeCtrl() const;

};


class wxTreebookEvent : public wxBookCtrlBaseEvent
{
public:
    wxTreebookEvent(wxEventType commandType = wxEVT_NULL, int id = 0,
                    int nSel = wxNOT_FOUND, int nOldSel = wxNOT_FOUND);
};

%constant wxEventType wxEVT_COMMAND_TREEBOOK_PAGE_CHANGED;
%constant wxEventType wxEVT_COMMAND_TREEBOOK_PAGE_CHANGING;
%constant wxEventType wxEVT_COMMAND_TREEBOOK_NODE_COLLAPSED;
%constant wxEventType wxEVT_COMMAND_TREEBOOK_NODE_EXPANDED;


%pythoncode {
    EVT_TREEBOOK_PAGE_CHANGED= wx.PyEventBinder( wxEVT_COMMAND_TREEBOOK_PAGE_CHANGED, 1 )
    EVT_TREEBOOK_PAGE_CHANGING= wx.PyEventBinder( wxEVT_COMMAND_TREEBOOK_PAGE_CHANGING, 1)
    EVT_TREEBOOK_NODE_COLLAPSED= wx.PyEventBinder( wxEVT_COMMAND_TREEBOOK_NODE_COLLAPSED, 1 )
    EVT_TREEBOOK_NODE_EXPANDED= wx.PyEventBinder( wxEVT_COMMAND_TREEBOOK_NODE_EXPANDED, 1 )
}

//---------------------------------------------------------------------------
%newgroup;

MustHaveApp(wxTreebook);

class wxToolbook : public wxBookCtrlBase
{
public:
    %pythonAppend wxToolbook         "self._setOORInfo(self)"
    %pythonAppend wxToolbook()       ""


    // This ctor creates the tree book control
    wxToolbook(wxWindow *parent,
               wxWindowID id,
               const wxPoint& pos = wxDefaultPosition,
               const wxSize& size = wxDefaultSize,
               long style = wxBK_DEFAULT,
               const wxString& name = wxPyEmptyString);

    %RenameCtor(PreToolbook, wxToolbook());

    // quasi ctor
    bool Create(wxWindow *parent,
                wxWindowID id,
                const wxPoint& pos = wxDefaultPosition,
                const wxSize& size = wxDefaultSize,
                long style = 0,
                const wxString& name = wxEmptyString);


    wxToolBarBase* GetToolBar() const;

    // Not part of the wxBookctrl API, but must be called in OnIdle or
    // by application to realize the toolbar and select the initial page.
    void Realize();
};


class wxToolbookEvent : public wxBookCtrlBaseEvent
{
public:
    wxToolbookEvent(wxEventType commandType = wxEVT_NULL, int id = 0,
                    int nSel = wxNOT_FOUND, int nOldSel = wxNOT_FOUND);
};


%constant wxEventType wxEVT_COMMAND_TOOLBOOK_PAGE_CHANGED;
%constant wxEventType wxEVT_COMMAND_TOOLBOOK_PAGE_CHANGING;


%pythoncode {
    EVT_TOOLBOOK_PAGE_CHANGED = wx.PyEventBinder( wxEVT_COMMAND_TOOLBOOK_PAGE_CHANGED, 1)
    EVT_TOOLBOOK_PAGE_CHANGING = wx.PyEventBinder( wxEVT_COMMAND_TOOLBOOK_PAGE_CHANGING, 1)
}

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