wxWidgets/samples/htlbox/htlbox.cpp
Vadim Zeitlin 6170c108a1 printf() format warning fixes
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@20856 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
2003-06-02 17:27:57 +00:00

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/////////////////////////////////////////////////////////////////////////////
// Name: htmllbox.cpp
// Purpose: HtmlLbox wxWindows sample
// Author: Vadim Zeitlin
// Modified by:
// Created: 31.05.03
// RCS-ID: $Id$
// Copyright: (c) 2003 Vadim Zeitlin <vadim@wxwindows.org>
// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
// ============================================================================
// declarations
// ============================================================================
// ----------------------------------------------------------------------------
// headers
// ----------------------------------------------------------------------------
// 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/app.h"
#include "wx/frame.h"
#include "wx/log.h"
#include "wx/sizer.h"
#include "wx/menu.h"
#include "wx/msgdlg.h"
#include "wx/textctrl.h"
#include "wx/dc.h"
#endif
#include "wx/htmllbox.h"
// ----------------------------------------------------------------------------
// resources
// ----------------------------------------------------------------------------
// the application icon (under Windows and OS/2 it is in resources)
#if defined(__WXGTK__) || defined(__WXMOTIF__) || defined(__WXMAC__) || defined(__WXMGL__) || defined(__WXX11__)
#include "mondrian.xpm"
#endif
// ----------------------------------------------------------------------------
// private classes
// ----------------------------------------------------------------------------
class MyApp : public wxApp
{
public:
virtual bool OnInit();
};
class MyFrame : public wxFrame
{
public:
MyFrame();
virtual ~MyFrame();
// event handlers
void OnQuit(wxCommandEvent& event);
void OnAbout(wxCommandEvent& event);
void OnLboxSelect(wxCommandEvent& event)
{
wxLogMessage(_T("Listbox selection is now %ld."), event.GetInt());
}
void OnLboxDClick(wxCommandEvent& event)
{
wxLogMessage(_T("Listbox item %ld double clicked."), event.GetInt());
}
private:
// any class wishing to process wxWindows events must use this macro
DECLARE_EVENT_TABLE()
};
// to use wxHtmlListBox you must derive a new class from it as you must
// implement pure virtual OnGetItem()
class MyHtmlListBox : public wxHtmlListBox
{
public:
MyHtmlListBox(wxWindow *parent) : wxHtmlListBox(parent)
{
SetItemCount(1000);
SetSelection(10);
SetMargins(5, 5);
}
protected:
virtual wxString OnGetItem(size_t n) const
{
int level = n % 6 + 1;
return wxString::Format(_T("<h%d><font color=#%2x%2x%2x>")
_T("Item</font> <b>%lu</b>")
_T("</h%d>"),
level,
abs(n - 192) % 256,
abs(n - 256) % 256,
abs(n - 128) % 256,
(unsigned long)n, level);
}
virtual void OnDrawSeparator(wxDC& dc,
wxRect& rect,
size_t WXUNUSED(n)) const
{
dc.SetPen(*wxBLACK_DASHED_PEN);
dc.DrawLine(rect.x, rect.y, rect.GetRight(), rect.y);
dc.DrawLine(rect.x, rect.GetBottom(), rect.GetRight(), rect.GetBottom());
}
};
// ----------------------------------------------------------------------------
// constants
// ----------------------------------------------------------------------------
// IDs for the controls and the menu commands
enum
{
// menu items
HtmlLbox_Quit = 1,
// it is important for the id corresponding to the "About" command to have
// this standard value as otherwise it won't be handled properly under Mac
// (where it is special and put into the "Apple" menu)
HtmlLbox_About = wxID_ABOUT
};
// ----------------------------------------------------------------------------
// event tables and other macros for wxWindows
// ----------------------------------------------------------------------------
// the event tables connect the wxWindows events with the functions (event
// handlers) which process them. It can be also done at run-time, but for the
// simple menu events like this the static method is much simpler.
BEGIN_EVENT_TABLE(MyFrame, wxFrame)
EVT_MENU(HtmlLbox_Quit, MyFrame::OnQuit)
EVT_MENU(HtmlLbox_About, MyFrame::OnAbout)
EVT_LISTBOX(wxID_ANY, MyFrame::OnLboxSelect)
EVT_LISTBOX_DCLICK(wxID_ANY, MyFrame::OnLboxDClick)
END_EVENT_TABLE()
// Create a new application object: this macro will allow wxWindows to create
// the application object during program execution (it's better than using a
// static object for many reasons) and also declares the accessor function
// wxGetApp() which will return the reference of the right type (i.e. MyApp and
// not wxApp)
IMPLEMENT_APP(MyApp)
// ============================================================================
// implementation
// ============================================================================
// ----------------------------------------------------------------------------
// the application class
// ----------------------------------------------------------------------------
// 'Main program' equivalent: the program execution "starts" here
bool MyApp::OnInit()
{
(new MyFrame())->Show();
return TRUE;
}
// ----------------------------------------------------------------------------
// main frame
// ----------------------------------------------------------------------------
// frame constructor
MyFrame::MyFrame()
: wxFrame(NULL, -1, _T("HtmlLbox wxWindows Sample"),
wxDefaultPosition, wxSize(400, 500))
{
// set the frame icon
SetIcon(wxICON(mondrian));
#if wxUSE_MENUS
// create a menu bar
wxMenu *menuFile = new wxMenu;
// the "About" item should be in the help menu
wxMenu *helpMenu = new wxMenu;
helpMenu->Append(HtmlLbox_About, _T("&About...\tF1"), _T("Show about dialog"));
menuFile->Append(HtmlLbox_Quit, _T("E&xit\tAlt-X"), _T("Quit this program"));
// now append the freshly created menu to the menu bar...
wxMenuBar *menuBar = new wxMenuBar();
menuBar->Append(menuFile, _T("&File"));
menuBar->Append(helpMenu, _T("&Help"));
// ... and attach this menu bar to the frame
SetMenuBar(menuBar);
#endif // wxUSE_MENUS
#if wxUSE_STATUSBAR
// create a status bar just for fun (by default with 1 pane only)
CreateStatusBar(2);
SetStatusText(_T("Welcome to wxWindows!"));
#endif // wxUSE_STATUSBAR
// create the child controls
MyHtmlListBox *hlbox = new MyHtmlListBox(this);
wxTextCtrl *text = new wxTextCtrl(this, -1, _T(""),
wxDefaultPosition, wxDefaultSize,
wxTE_MULTILINE);
delete wxLog::SetActiveTarget(new wxLogTextCtrl(text));
// and lay them out
wxSizer *sizer = new wxBoxSizer(wxHORIZONTAL);
sizer->Add(hlbox, 1, wxGROW);
sizer->Add(text, 1, wxGROW);
SetSizer(sizer);
}
MyFrame::~MyFrame()
{
delete wxLog::SetActiveTarget(NULL);
}
// event handlers
void MyFrame::OnQuit(wxCommandEvent& WXUNUSED(event))
{
// TRUE is to force the frame to close
Close(TRUE);
}
void MyFrame::OnAbout(wxCommandEvent& WXUNUSED(event))
{
wxMessageBox(_T("This sample shows wxHtmlListBox class.\n")
_T("\n")
_T("<EFBFBD> 2003 Vadim Zeitlin"),
_T("About HtmlLbox"),
wxOK | wxICON_INFORMATION,
this);
}