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dynsash.cpp

/////////////////////////////////////////////////////////////////////////////
// Name:        dynsash.cpp
// Purpose:     Test the wxDynamicSash class by creating a dynamic sash which
//              contains an HTML view
// Author:      Matt Kimball
// Modified by:
// Created:     7/15/2001
// RCS-ID:      $Id: dynsash.cpp,v 1.3 2002/03/07 10:06:22 JS Exp $
// Copyright:   (c) 2001 Matt Kimball
// Licence:     wxWindows licence
/////////////////////////////////////////////////////////////////////////////

// For compilers that support precompilation, includes "wx/wx.h".
#include "wx/wxprec.h"

#ifdef __BORLANDC__
    #pragma hdrstop
#endif

// for all others, include the necessary headers (this file is usually all you
// need because it includes almost all "standard" wxWindows headers)
#ifndef WX_PRECOMP
    #include "wx/wx.h"
#endif

#include <wx/app.h>
#include <wx/frame.h>
#include <wx/gizmos/dynamicsash.h>
#include <wx/html/htmlwin.h>
#include <wx/image.h>
#include <wx/cmdline.h>

class Demo : public wxApp {
public:
    bool OnInit();
};

class SashHtmlWindow : public wxHtmlWindow {
public:
    SashHtmlWindow(wxWindow *parent, wxWindowID id = -1,
                   const wxPoint& pos = wxDefaultPosition, const wxSize& size = wxDefaultSize,
                   long style = wxHW_SCROLLBAR_NEVER, const wxString& name = "sashHtmlWindow");

    wxSize DoGetBestSize() const;

private:
    void OnSplit(wxDynamicSashSplitEvent& event);

    wxWindow *m_dyn_sash;
};

IMPLEMENT_APP(Demo)

char *HTML_content =
"<P><H1>wxDynamicSashWindow demo</H1>"
"<P>Here is an example of how you can use <TT>wxDynamicSashWindow</TT> to allow your users to "
"dynamically split and unify the views of your windows.  Try dragging out a few splits "
"and then reunifying the window."
"<P>Also, see the <TT>dynsash_switch</TT> sample for an example of an application which "
"manages the scrollbars provided by <TT>wxDynamicSashWindow</TT> itself."
;

bool Demo::OnInit() {
    wxInitAllImageHandlers();

    wxFrame *frame = new wxFrame(NULL, -1, "Dynamic Sash Demo");
    frame->SetSize(480, 480);

    wxDynamicSashWindow *sash = new wxDynamicSashWindow(frame, -1);
    wxHtmlWindow *html = new SashHtmlWindow(sash, -1);
    html->SetPage(HTML_content);

    frame->Show();

    return TRUE;
}


SashHtmlWindow::SashHtmlWindow(wxWindow *parent, wxWindowID id,
                               const wxPoint& pos, const wxSize& size, long style, const wxString& name) :
                                    wxHtmlWindow(parent, id, pos, size, style, name) {
    Connect(-1, wxEVT_DYNAMIC_SASH_SPLIT,
        (wxObjectEventFunction)(wxCommandEventFunction)(wxDynamicSashSplitEventFunction) &SashHtmlWindow::OnSplit);

    m_dyn_sash = parent;
}

wxSize SashHtmlWindow::DoGetBestSize() const {
    wxHtmlContainerCell *cell = GetInternalRepresentation();
    wxSize size = GetSize();

    if (cell) {
        cell->Layout(size.GetWidth());
        return wxSize(cell->GetWidth(), cell->GetHeight());
    } else
        return wxHtmlWindow::GetBestSize();
}

void SashHtmlWindow::OnSplit(wxDynamicSashSplitEvent& event) {
    wxHtmlWindow *html = new SashHtmlWindow(m_dyn_sash, -1);
    html->SetPage(HTML_content);
}

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