memory dc must have bitmap selected into it before it can be used for measuring

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

/////////////////////////////////////////////////////////////////////////////
// Name:        _window.i
// Purpose:     SWIG interface for wxPanel and wxScrolledWindow
//
// Author:      Robin Dunn
//
// Created:     24-June-1997
// RCS-ID:      $Id$
// Copyright:   (c) 2003 by Total Control Software
// Licence:     wxWindows license
/////////////////////////////////////////////////////////////////////////////

// Not a %module


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

%{
%}

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


MustHaveApp(wxPanel);

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

    wxPanel(wxWindow* parent,
            const wxWindowID id=-1,
            const wxPoint& pos = wxDefaultPosition,
            const wxSize& size = wxDefaultSize,
            long style = wxTAB_TRAVERSAL | wxNO_BORDER,
            const wxString& name = wxPyPanelNameStr);
    %RenameCtor(PrePanel, wxPanel());

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

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

    void InitDialog();


    DocDeclStr(
        virtual void , SetFocus(),
        "Overrides `wx.Window.SetFocus`.  This method uses the (undocumented)
mix-in class wxControlContainer which manages the focus and TAB logic
for controls which usually have child controls.  In practice, if you
call this method and the panel has at least one child window, then the
focus will be given to the child window.", "
:see: `wx.FocusEvent`, `wx.Window.SetFocus`, `SetFocusIgnoringChildren`");
    

    DocDeclStr(
        virtual void , SetFocusIgnoringChildren(),
        "In contrast to `SetFocus` (see above) this will set the focus to the
panel even of there are child windows in the panel. This is only
rarely needed.", "");
    

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

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


// TODO: Add wrappers for the wxScrollHelper class, make wxScrolledWindow
//       derive from it and wxPanel.  But what to do about wxGTK where this
//       is not True?

MustHaveApp(wxScrolledWindow);

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

    wxScrolledWindow(wxWindow* parent,
                     const wxWindowID id = -1,
                     const wxPoint& pos = wxDefaultPosition,
                     const wxSize& size = wxDefaultSize,
                     long style = wxHSCROLL | wxVSCROLL,
                     const wxString& name = wxPyPanelNameStr);
    %RenameCtor(PreScrolledWindow, wxScrolledWindow());

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

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

    // configure the scrolling
    virtual void SetScrollbars(int pixelsPerUnitX, int pixelsPerUnitY,
                               int noUnitsX, int noUnitsY,
                               int xPos = 0, int yPos = 0,
                               bool noRefresh = false );

    // scroll to the given (in logical coords) position
    virtual void Scroll(int x, int y);

    // get/set the page size for this orientation (wxVERTICAL/wxHORIZONTAL)
    int GetScrollPageSize(int orient) const;
    void SetScrollPageSize(int orient, int pageSize);

    // Set the x, y scrolling increments.
    void SetScrollRate( int xstep, int ystep );

    DocDeclAStr(
        virtual void, GetScrollPixelsPerUnit(int *OUTPUT, int *OUTPUT) const,
        "GetScrollPixelsPerUnit() -> (xUnit, yUnit)",
        "Get the size of one logical unit in physical units.", "");

    // Enable/disable Windows scrolling in either direction. If True, wxWindows
    // scrolls the canvas and only a bit of the canvas is invalidated; no
    // Clear() is necessary. If False, the whole canvas is invalidated and a
    // Clear() is necessary. Disable for when the scroll increment is used to
    // actually scroll a non-constant distance
    virtual void EnableScrolling(bool x_scrolling, bool y_scrolling);


    DocDeclAStr( 
        virtual void, GetViewStart(int *OUTPUT, int *OUTPUT) const,
        "GetViewStart() -> (x,y)",
        "Get the view start", "");
    
    // Set the scale factor, used in PrepareDC
    void SetScale(double xs, double ys);
    double GetScaleX() const;
    double GetScaleY() const;


    %nokwargs CalcScrolledPosition;
    %nokwargs CalcUnscrolledPosition;
    
    DocStr(CalcScrolledPosition, "Translate between scrolled and unscrolled coordinates.", "");
    wxPoint CalcScrolledPosition(const wxPoint& pt) const;
    DocDeclA(
        void, CalcScrolledPosition(int x, int y, int *OUTPUT, int *OUTPUT) const,
        "CalcScrolledPosition(int x, int y) -> (sx, sy)");

    
    DocStr(CalcUnscrolledPosition, "Translate between scrolled and unscrolled coordinates.", "");
    wxPoint CalcUnscrolledPosition(const wxPoint& pt) const;
    DocDeclA(
        void, CalcUnscrolledPosition(int x, int y, int *OUTPUT, int *OUTPUT) const,
        "CalcUnscrolledPosition(int x, int y) -> (ux, uy)");


    
// TODO: use directors?
//     virtual void DoCalcScrolledPosition(int x, int y, int *xx, int *yy) const;
//     virtual void DoCalcUnscrolledPosition(int x, int y, int *xx, int *yy) const;

    // Adjust the scrollbars
    virtual void AdjustScrollbars();

    // Calculate scroll increment
    virtual int CalcScrollInc(wxScrollWinEvent& event);

    // Normally the wxScrolledWindow will scroll itself, but in some rare
    // occasions you might want it to scroll [part of] another window (e.g. a
    // child of it in order to scroll only a portion the area between the
    // scrollbars (spreadsheet: only cell area will move).
    virtual void SetTargetWindow(wxWindow *target);
    virtual wxWindow *GetTargetWindow() const;

#ifndef __WXGTK__
    void SetTargetRect(const wxRect& rect);
    wxRect GetTargetRect() const;
#endif

    // TODO: directorize this?
    DocDeclStr(
        virtual void , DoPrepareDC( wxDC & dc ),
        "Normally what is called by `PrepareDC`.", "");

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

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