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new sample: statbar

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git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@5841 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
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Vadim Zeitlin
2000-02-04 20:27:10 +00:00
parent 14e40b5aac
commit 2286341c8d
28 changed files with 689 additions and 35 deletions
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samples/statbar/statbar.cpp Normal file
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/////////////////////////////////////////////////////////////////////////////
// Name: statbar.cpp
// Purpose: wxStatusBar sample
// Author: Vadim Zeitlin
// Modified by:
// Created: 04.02.00
// RCS-ID: $Id$
// Copyright: (c) Vadim Zeitlin
// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
// ============================================================================
// declarations
// ============================================================================
// ----------------------------------------------------------------------------
// headers
// ----------------------------------------------------------------------------
#ifdef __GNUG__
#pragma implementation "statbar.cpp"
#pragma interface "statbar.cpp"
#endif
// For compilers that support precompilation, includes "wx/wx.h".
#include "wx/wxprec.h"
#ifdef __BORLANDC__
#pragma hdrstop
#endif
#if !wxUSE_STATUSBAR
#error "You need to set wxUSE_STATUSBAR to 1 to compile this sample"
#endif // wxUSE_STATUSBAR
// 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/statusbr.h"
#include "wx/datetime.h"
#include "wx/timer.h"
#include "wx/checkbox.h"
#include "wx/statbmp.h"
#include "wx/menu.h"
#include "wx/msgdlg.h"
#endif
// ----------------------------------------------------------------------------
// resources
// ----------------------------------------------------------------------------
#include "green.xpm"
#include "red.xpm"
// ----------------------------------------------------------------------------
// private classes
// ----------------------------------------------------------------------------
// Define a new application type, each program should derive a class from wxApp
class MyApp : public wxApp
{
public:
// override base class virtuals
// ----------------------------
// this one is called on application startup and is a good place for the app
// initialization (doing it here and not in the ctor allows to have an error
// return: if OnInit() returns false, the application terminates)
virtual bool OnInit();
};
// A custom status bar which contains controls, icons &c
class MyStatusBar : public wxStatusBar
{
public:
MyStatusBar(wxWindow *parent);
virtual ~MyStatusBar();
void UpdateClock();
// event handlers
void OnSize(wxSizeEvent& event);
void OnToggleClock(wxCommandEvent& event);
private:
enum
{
Field_Text,
Field_Checkbox,
Field_Bitmap,
Field_Clock,
Field_Max
};
class MyTimer : public wxTimer
{
public:
MyTimer(MyStatusBar *statbar) {m_statbar = statbar; }
virtual void Notify() { m_statbar->UpdateClock(); }
private:
MyStatusBar *m_statbar;
} m_timer;
wxCheckBox *m_checkbox;
wxStaticBitmap *m_statbmp;
DECLARE_EVENT_TABLE()
};
// Define a new frame type: this is going to be our main frame
class MyFrame : public wxFrame
{
public:
// ctor(s)
MyFrame(const wxString& title, const wxPoint& pos, const wxSize& size);
virtual ~MyFrame();
// event handlers (these functions should _not_ be virtual)
void OnQuit(wxCommandEvent& event);
void OnAbout(wxCommandEvent& event);
void OnRecreateStatusBar(wxCommandEvent& event);
private:
enum StatBarKind
{
StatBar_Default,
StatBar_Custom,
StatBar_Max
} m_statbarKind;
void DoCreateStatusBar(StatBarKind kind);
wxStatusBar *m_statbarDefault;
MyStatusBar *m_statbarCustom;
// any class wishing to process wxWindows events must use this macro
DECLARE_EVENT_TABLE()
};
// ----------------------------------------------------------------------------
// constants
// ----------------------------------------------------------------------------
// IDs for the controls and the menu commands
enum
{
// menu items
StatusBar_Quit = 1,
StatusBar_Recreate,
StatusBar_About,
StatusBar_Checkbox = 1000
};
static const int BITMAP_SIZE_X = 32;
static const int BITMAP_SIZE_Y = 15;
// ----------------------------------------------------------------------------
// 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(StatusBar_Quit, MyFrame::OnQuit)
EVT_MENU(StatusBar_Recreate, MyFrame::OnRecreateStatusBar)
EVT_MENU(StatusBar_About, MyFrame::OnAbout)
END_EVENT_TABLE()
BEGIN_EVENT_TABLE(MyStatusBar, wxStatusBar)
EVT_SIZE(MyStatusBar::OnSize)
EVT_CHECKBOX(StatusBar_Checkbox, MyStatusBar::OnToggleClock)
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()
{
// create the main application window
MyFrame *frame = new MyFrame("wxStatusBar sample",
wxPoint(50, 50), wxSize(450, 340));
// and show it (the frames, unlike simple controls, are not shown when
// created initially)
frame->Show(TRUE);
// success: wxApp::OnRun() will be called which will enter the main message
// loop and the application will run. If we returned FALSE here, the
// application would exit immediately.
return TRUE;
}
// ----------------------------------------------------------------------------
// main frame
// ----------------------------------------------------------------------------
// frame constructor
MyFrame::MyFrame(const wxString& title, const wxPoint& pos, const wxSize& size)
: wxFrame((wxFrame *)NULL, -1, title, pos, size)
{
m_statbarDefault = NULL;
m_statbarCustom = NULL;
#ifdef __WXMAC__
// we need this in order to allow the about menu relocation, since ABOUT is
// not the default id of the about menu
wxApp::s_macAboutMenuItemId = StatusBar_About;
#endif
// create a menu bar
wxMenu *menuFile = new wxMenu;
menuFile->Append(StatusBar_Quit, "E&xit\tAlt-X", "Quit this program");
wxMenu *statbarMenu = new wxMenu;
statbarMenu->Append(StatusBar_Recreate, "&Recreate\tCtrl-R",
"Toggle status bar format");
wxMenu *helpMenu = new wxMenu;
helpMenu->Append(StatusBar_About, "&About...\tCtrl-A", "Show about dialog");
// now append the freshly created menu to the menu bar...
wxMenuBar *menuBar = new wxMenuBar();
menuBar->Append(menuFile, "&File");
menuBar->Append(statbarMenu, "&Status bar");
menuBar->Append(helpMenu, "&Help");
// ... and attach this menu bar to the frame
SetMenuBar(menuBar);
// create default status bar to start with
CreateStatusBar(2);
SetStatusText("Welcome to wxWindows!");
m_statbarDefault = GetStatusBar();
}
MyFrame::~MyFrame()
{
SetStatusBar(NULL);
delete m_statbarDefault;
delete m_statbarCustom;
}
void MyFrame::DoCreateStatusBar(MyFrame::StatBarKind kind)
{
wxStatusBar *statbarOld = GetStatusBar();
if ( statbarOld )
{
statbarOld->Hide();
}
switch ( kind )
{
case StatBar_Default:
SetStatusBar(m_statbarDefault);
break;
case StatBar_Custom:
if ( !m_statbarCustom )
{
m_statbarCustom = new MyStatusBar(this);
}
SetStatusBar(m_statbarCustom);
break;
default:
wxFAIL_MSG("unknown stat bar kind");
}
PositionStatusBar();
GetStatusBar()->Show();
m_statbarKind = kind;
}
// event handlers
void MyFrame::OnRecreateStatusBar(wxCommandEvent& WXUNUSED(event))
{
DoCreateStatusBar(m_statbarKind == StatBar_Custom ? StatBar_Default
: StatBar_Custom);
}
void MyFrame::OnQuit(wxCommandEvent& WXUNUSED(event))
{
// TRUE is to force the frame to close
Close(TRUE);
}
void MyFrame::OnAbout(wxCommandEvent& WXUNUSED(event))
{
wxMessageBox("wxStatusBar sample\n(c) 2000 Vadim Zeitlin",
"About statbar", wxOK | wxICON_INFORMATION, this);
}
// ----------------------------------------------------------------------------
// MyStatusBar
// ----------------------------------------------------------------------------
MyStatusBar::MyStatusBar(wxWindow *parent)
: wxStatusBar(parent, -1), m_timer(this)
{
static const int widths[Field_Max] = { -1, 150, BITMAP_SIZE_X, 100 };
SetFieldsCount(Field_Max);
SetStatusWidths(Field_Max, widths);
m_checkbox = new wxCheckBox(this, StatusBar_Checkbox, _T("&Toggle clock"));
m_checkbox->SetValue(TRUE);
m_statbmp = new wxStaticBitmap(this, -1, wxICON(green));
m_timer.Start(1000);
UpdateClock();
}
MyStatusBar::~MyStatusBar()
{
if ( m_timer.IsRunning() )
{
m_timer.Stop();
}
}
void MyStatusBar::OnSize(wxSizeEvent& event)
{
wxRect rect;
GetFieldRect(Field_Checkbox, rect);
m_checkbox->SetSize(rect.x + 2, rect.y + 2, rect.width - 4, rect.height - 4);
GetFieldRect(Field_Bitmap, rect);
m_statbmp->Move(rect.x + (rect.width - BITMAP_SIZE_X) / 2,
rect.y + (rect.height - BITMAP_SIZE_Y) / 2);
event.Skip();
}
void MyStatusBar::OnToggleClock(wxCommandEvent& event)
{
if ( m_checkbox->GetValue() )
{
m_timer.Start(1000);
m_statbmp->SetIcon(wxICON(green));
UpdateClock();
}
else // don't show clock
{
m_timer.Stop();
m_statbmp->SetIcon(wxICON(red));
SetStatusText("", Field_Clock);
}
}
void MyStatusBar::UpdateClock()
{
SetStatusText(wxDateTime::Now().FormatTime(), Field_Clock);
}