0b90b51ceb
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@12688 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
401 lines
12 KiB
C++
401 lines
12 KiB
C++
/////////////////////////////////////////////////////////////////////////////
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// Program: wxWindows Widgets Sample
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// Name: widgets.cpp
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// Purpose: Sample showing most of the simple wxWindows widgets
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// Author: Vadim Zeitlin
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// Created: 27.03.01
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// Id: $Id$
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// Copyright: (c) 2001 Vadim Zeitlin
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// License: wxWindows license
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/////////////////////////////////////////////////////////////////////////////
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// ============================================================================
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// declarations
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// ============================================================================
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// ----------------------------------------------------------------------------
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// headers
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// ----------------------------------------------------------------------------
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// for compilers that support precompilation, includes "wx/wx.h".
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#include "wx/wxprec.h"
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#ifdef __BORLANDC__
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#pragma hdrstop
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#endif
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// for all others, include the necessary headers
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#ifndef WX_PRECOMP
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#include "wx/app.h"
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#include "wx/log.h"
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#include "wx/frame.h"
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#include "wx/button.h"
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#include "wx/checkbox.h"
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#include "wx/listbox.h"
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#include "wx/statbox.h"
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#include "wx/stattext.h"
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#include "wx/textctrl.h"
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#endif
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#include "wx/notebook.h"
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#include "wx/sizer.h"
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#include "widgets.h"
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// ----------------------------------------------------------------------------
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// constants
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// ----------------------------------------------------------------------------
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// control ids
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enum
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{
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Widgets_ClearLog = 100,
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Widgets_Quit
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};
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// ----------------------------------------------------------------------------
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// our classes
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// ----------------------------------------------------------------------------
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// Define a new application type, each program should derive a class from wxApp
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class WidgetsApp : public wxApp
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{
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public:
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// override base class virtuals
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// ----------------------------
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// this one is called on application startup and is a good place for the app
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// initialization (doing it here and not in the ctor allows to have an error
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// return: if OnInit() returns false, the application terminates)
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virtual bool OnInit();
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};
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// Define a new frame type: this is going to be our main frame
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class WidgetsFrame : public wxFrame
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{
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public:
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// ctor(s) and dtor
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WidgetsFrame(const wxString& title);
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virtual ~WidgetsFrame();
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protected:
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// event handlers
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void OnButtonClearLog(wxCommandEvent& event);
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void OnButtonQuit(wxCommandEvent& event);
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// initialize the notebook: add all pages to it
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void InitNotebook();
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private:
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// the panel containing everything
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wxPanel *m_panel;
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// the listbox for logging messages
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wxListBox *m_lboxLog;
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// the log target we use to redirect messages to the listbox
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wxLog *m_logTarget;
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// the notebook containing the test pages
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wxNotebook *m_notebook;
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// and the image list for it
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wxImageList *m_imaglist;
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// any class wishing to process wxWindows events must use this macro
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DECLARE_EVENT_TABLE()
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};
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// A log target which just redirects the messages to a listbox
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class LboxLogger : public wxLog
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{
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public:
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LboxLogger(wxListBox *lbox, wxLog *logOld)
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{
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m_lbox = lbox;
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//m_lbox->Disable(); -- looks ugly under MSW
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m_logOld = logOld;
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}
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virtual ~LboxLogger()
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{
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wxLog::SetActiveTarget(m_logOld);
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}
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private:
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// implement sink functions
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virtual void DoLog(wxLogLevel level, const wxChar *szString, time_t t)
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{
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// don't put trace messages into listbox or we can get into infinite
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// recursion
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if ( level == wxLOG_Trace )
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{
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if ( m_logOld )
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{
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// cast is needed to call protected method
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((LboxLogger *)m_logOld)->DoLog(level, szString, t);
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}
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}
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else
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{
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wxLog::DoLog(level, szString, t);
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}
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}
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virtual void DoLogString(const wxChar *szString, time_t t)
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{
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wxString msg;
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TimeStamp(&msg);
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msg += szString;
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#ifdef __WXUNIVERSAL__
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m_lbox->AppendAndEnsureVisible(msg);
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#else // other ports don't have this method yet
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m_lbox->Append(msg);
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m_lbox->SetFirstItem(m_lbox->GetCount() - 1);
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#endif
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}
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// the control we use
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wxListBox *m_lbox;
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// the old log target
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wxLog *m_logOld;
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};
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// array of pages
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WX_DEFINE_ARRAY(WidgetsPage *, ArrayWidgetsPage);
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// ----------------------------------------------------------------------------
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// misc macros
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// ----------------------------------------------------------------------------
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IMPLEMENT_APP(WidgetsApp)
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// ----------------------------------------------------------------------------
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// event tables
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// ----------------------------------------------------------------------------
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BEGIN_EVENT_TABLE(WidgetsFrame, wxFrame)
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EVT_BUTTON(Widgets_ClearLog, WidgetsFrame::OnButtonClearLog)
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EVT_BUTTON(Widgets_Quit, WidgetsFrame::OnButtonQuit)
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END_EVENT_TABLE()
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// ============================================================================
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// implementation
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// ============================================================================
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// ----------------------------------------------------------------------------
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// app class
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// ----------------------------------------------------------------------------
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bool WidgetsApp::OnInit()
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{
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if ( !wxApp::OnInit() )
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return FALSE;
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// the reason for having these ifdef's is that I often run two copies of
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// this sample side by side and it is useful to see which one is which
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wxString title;
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#if defined(__WXUNIVERSAL__)
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title = _T("wxUniv/");
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#endif
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#if defined(__WXMSW__)
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title += _T("wxMSW");
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#elif defined(__WXGTK__)
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title += _T("wxGTK");
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#else
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title += _T("wxWindows");
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#endif
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wxFrame *frame = new WidgetsFrame(title + _T(" widgets demo"));
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frame->Show();
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//wxLog::AddTraceMask(_T("listbox"));
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//wxLog::AddTraceMask(_T("scrollbar"));
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return TRUE;
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}
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// ----------------------------------------------------------------------------
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// WidgetsFrame construction
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// ----------------------------------------------------------------------------
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WidgetsFrame::WidgetsFrame(const wxString& title)
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: wxFrame(NULL, -1, title, wxPoint(0, 50))
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{
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// init everything
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m_lboxLog = (wxListBox *)NULL;
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m_logTarget = (wxLog *)NULL;
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m_notebook = (wxNotebook *)NULL;
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m_imaglist = (wxImageList *)NULL;
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// create controls
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m_panel = new wxPanel(this, -1);
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wxSizer *sizerTop = new wxBoxSizer(wxVERTICAL);
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// we have 2 panes: notebook which pages demonstrating the controls in the
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// upper one and the log window with some buttons in the lower
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m_notebook = new wxNotebook(m_panel, -1);
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InitNotebook();
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wxSizer *sizerUp = new wxNotebookSizer(m_notebook);
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// the lower one only has the log listbox and a button to clear it
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wxSizer *sizerDown = new wxStaticBoxSizer
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(
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new wxStaticBox(m_panel, -1, _T("&Log window")),
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wxVERTICAL
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);
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m_lboxLog = new wxListBox(m_panel, -1);
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sizerDown->Add(m_lboxLog, 1, wxGROW | wxALL, 5);
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wxBoxSizer *sizerBtns = new wxBoxSizer(wxHORIZONTAL);
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wxButton *btn = new wxButton(m_panel, Widgets_ClearLog, _T("Clear &log"));
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sizerBtns->Add(btn);
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sizerBtns->Add(10, 0); // spacer
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btn = new wxButton(m_panel, Widgets_Quit, _T("E&xit"));
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sizerBtns->Add(btn);
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sizerDown->Add(sizerBtns, 0, wxALL | wxALIGN_RIGHT, 5);
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// put everything together
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sizerTop->Add(sizerUp, 1, wxGROW | (wxALL & ~(wxTOP | wxBOTTOM)), 10);
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sizerTop->Add(0, 5, 0, wxGROW); // spacer in between
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sizerTop->Add(sizerDown, 0, wxGROW | (wxALL & ~wxTOP), 10);
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m_panel->SetAutoLayout(TRUE);
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m_panel->SetSizer(sizerTop);
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sizerTop->Fit(this);
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sizerTop->SetSizeHints(this);
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// now that everything is created we can redirect the log messages to the
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// listbox
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m_logTarget = new LboxLogger(m_lboxLog, wxLog::GetActiveTarget());
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wxLog::SetActiveTarget(m_logTarget);
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}
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void WidgetsFrame::InitNotebook()
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{
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m_imaglist = new wxImageList(32, 32);
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ArrayWidgetsPage pages;
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wxArrayString labels;
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// we need to first create all pages and only then add them to the notebook
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// as we need the image list first
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WidgetsPageInfo *info = WidgetsPage::ms_widgetPages;
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while ( info )
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{
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WidgetsPage *page = (*info->GetCtor())(m_notebook, m_imaglist);
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pages.Add(page);
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labels.Add(info->GetLabel());
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info = info->GetNext();
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}
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m_notebook->SetImageList(m_imaglist);
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// now do add them
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size_t count = pages.GetCount();
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for ( size_t n = 0; n < count; n++ )
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{
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m_notebook->AddPage(
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pages[n],
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labels[n],
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FALSE, // don't select
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n // image id
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);
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}
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}
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WidgetsFrame::~WidgetsFrame()
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{
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delete m_logTarget;
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delete m_imaglist;
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}
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// ----------------------------------------------------------------------------
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// WidgetsFrame event handlers
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// ----------------------------------------------------------------------------
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void WidgetsFrame::OnButtonQuit(wxCommandEvent& WXUNUSED(event))
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{
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Close();
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}
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void WidgetsFrame::OnButtonClearLog(wxCommandEvent& event)
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{
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m_lboxLog->Clear();
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}
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// ----------------------------------------------------------------------------
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// WidgetsPageInfo
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// ----------------------------------------------------------------------------
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WidgetsPageInfo *WidgetsPage::ms_widgetPages = NULL;
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WidgetsPageInfo::WidgetsPageInfo(Constructor ctor, const wxChar *label)
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: m_label(label)
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{
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m_ctor = ctor;
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m_next = WidgetsPage::ms_widgetPages;
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WidgetsPage::ms_widgetPages = this;
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}
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// ----------------------------------------------------------------------------
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// WidgetsPage
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// ----------------------------------------------------------------------------
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WidgetsPage::WidgetsPage(wxNotebook *notebook)
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: wxPanel(notebook, -1)
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{
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}
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wxSizer *WidgetsPage::CreateSizerWithText(wxControl *control,
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wxWindowID id,
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wxTextCtrl **ppText)
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{
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wxSizer *sizerRow = new wxBoxSizer(wxHORIZONTAL);
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wxTextCtrl *text = new wxTextCtrl(this, id, _T(""));
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sizerRow->Add(control, 0, wxRIGHT | wxALIGN_CENTRE_VERTICAL, 5);
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sizerRow->Add(text, 1, wxLEFT | wxALIGN_CENTRE_VERTICAL, 5);
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if ( ppText )
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*ppText = text;
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return sizerRow;
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}
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// create a sizer containing a label and a text ctrl
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wxSizer *WidgetsPage::CreateSizerWithTextAndLabel(const wxString& label,
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wxWindowID id,
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wxTextCtrl **ppText)
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{
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return CreateSizerWithText(new wxStaticText(this, -1, label), id, ppText);
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}
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// create a sizer containing a button and a text ctrl
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wxSizer *WidgetsPage::CreateSizerWithTextAndButton(wxWindowID idBtn,
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const wxString& label,
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wxWindowID id,
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wxTextCtrl **ppText)
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{
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return CreateSizerWithText(new wxButton(this, idBtn, label), id, ppText);
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}
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wxCheckBox *WidgetsPage::CreateCheckBoxAndAddToSizer(wxSizer *sizer,
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const wxString& label,
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wxWindowID id)
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{
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wxCheckBox *checkbox = new wxCheckBox(this, id, label);
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sizer->Add(checkbox, 0, wxLEFT | wxRIGHT, 5);
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sizer->Add(0, 2, 0, wxGROW); // spacer
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return checkbox;
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}
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