///////////////////////////////////////////////////////////////////////////// // 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 // ---------------------------------------------------------------------------- // 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 #ifndef WX_PRECOMP #include "wx/app.h" #include "wx/log.h" #include "wx/frame.h" #include "wx/statusbr.h" #include "wx/timer.h" #include "wx/checkbox.h" #include "wx/statbmp.h" #include "wx/menu.h" #include "wx/msgdlg.h" #include "wx/textdlg.h" #include "wx/sizer.h" #include "wx/stattext.h" #include "wx/bmpbuttn.h" #include "wx/dcmemory.h" #endif #include "wx/datetime.h" #include "wx/numdlg.h" // define this for the platforms which don't support wxBitmapButton (such as // Motif), else a wxBitmapButton will be used #ifdef __WXMOTIF__ #define USE_STATIC_BITMAP #endif //#define USE_MDI_PARENT_FRAME 1 #ifdef USE_MDI_PARENT_FRAME #include "wx/mdi.h" #endif // USE_MDI_PARENT_FRAME // ---------------------------------------------------------------------------- // resources // ---------------------------------------------------------------------------- #ifdef USE_STATIC_BITMAP #include "green.xpm" #include "red.xpm" #endif // USE_STATIC_BITMAP // ---------------------------------------------------------------------------- // 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 #if wxUSE_TIMER void OnTimer(wxTimerEvent& WXUNUSED(event)) { UpdateClock(); } #endif void OnSize(wxSizeEvent& event); void OnToggleClock(wxCommandEvent& event); void OnButton(wxCommandEvent& event); private: // toggle the state of the status bar controls void DoToggle(); wxBitmap CreateBitmapForButton(bool on = false); enum { Field_Text, Field_Checkbox, Field_Bitmap, Field_Clock, Field_Max }; #if wxUSE_TIMER wxTimer m_timer; #endif #if wxUSE_CHECKBOX wxCheckBox *m_checkbox; #endif #ifdef USE_STATIC_BITMAP wxStaticBitmap *m_statbmp; #else wxBitmapButton *m_statbmp; #endif 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); #ifdef USE_MDI_PARENT_FRAME class MyFrame : public wxMDIParentFrame #else virtual ~MyFrame(); #endif // event handlers (these functions should _not_ be virtual) void OnQuit(wxCommandEvent& event); void OnAbout(wxCommandEvent& event); void OnResetFieldsWidth(wxCommandEvent& event); void OnSetStatusFields(wxCommandEvent& event); void OnSetStatusTexts(wxCommandEvent& event); void OnRecreateStatusBar(wxCommandEvent& event); void OnSetStyleNormal(wxCommandEvent& event); void OnSetStyleFlat(wxCommandEvent& event); void OnSetStyleRaised(wxCommandEvent& event); private: enum StatBarKind { StatBar_Default, StatBar_Custom, StatBar_Max } m_statbarKind; void OnUpdateSetStatusTexts(wxUpdateUIEvent& event); void OnUpdateResetFieldsWidth(wxUpdateUIEvent& event); void OnUpdateSetStatusFields(wxUpdateUIEvent& event); void OnUpdateStatusBarToggle(wxUpdateUIEvent& event); void OnUpdateSetStyleNormal(wxUpdateUIEvent& event); void OnUpdateSetStyleFlat(wxUpdateUIEvent& event); void OnUpdateSetStyleRaised(wxUpdateUIEvent& event); void OnStatusBarToggle(wxCommandEvent& event); void DoCreateStatusBar(StatBarKind kind); void ApplyStyle(); wxStatusBar *m_statbarDefault; MyStatusBar *m_statbarCustom; int m_statbarStyle; // any class wishing to process wxWidgets events must use this macro DECLARE_EVENT_TABLE() }; // Our about dialog ith its status bar class MyAboutDialog : public wxDialog { public: MyAboutDialog(wxWindow *parent); }; // ---------------------------------------------------------------------------- // constants // ---------------------------------------------------------------------------- // IDs for the controls and the menu commands enum { // menu items StatusBar_Quit = 1, StatusBar_SetFields, StatusBar_SetTexts, StatusBar_ResetFieldsWidth, StatusBar_Recreate, StatusBar_About, StatusBar_Toggle, StatusBar_Checkbox = 1000, StatusBar_SetStyle, StatusBar_SetStyleNormal, StatusBar_SetStyleFlat, StatusBar_SetStyleRaised }; static const int BITMAP_SIZE_X = 32; static const int BITMAP_SIZE_Y = 15; // ---------------------------------------------------------------------------- // event tables and other macros for wxWidgets // ---------------------------------------------------------------------------- // the event tables connect the wxWidgets 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. #ifdef USE_MDI_PARENT_FRAME BEGIN_EVENT_TABLE(MyFrame, wxMDIParentFrame) #else BEGIN_EVENT_TABLE(MyFrame, wxFrame) #endif EVT_MENU(StatusBar_Quit, MyFrame::OnQuit) EVT_MENU(StatusBar_SetFields, MyFrame::OnSetStatusFields) EVT_MENU(StatusBar_SetTexts, MyFrame::OnSetStatusTexts) EVT_MENU(StatusBar_ResetFieldsWidth, MyFrame::OnResetFieldsWidth) EVT_MENU(StatusBar_Recreate, MyFrame::OnRecreateStatusBar) EVT_MENU(StatusBar_About, MyFrame::OnAbout) EVT_MENU(StatusBar_Toggle, MyFrame::OnStatusBarToggle) EVT_MENU(StatusBar_SetStyleNormal, MyFrame::OnSetStyleNormal) EVT_MENU(StatusBar_SetStyleFlat, MyFrame::OnSetStyleFlat) EVT_MENU(StatusBar_SetStyleRaised, MyFrame::OnSetStyleRaised) EVT_UPDATE_UI(StatusBar_ResetFieldsWidth, MyFrame::OnUpdateResetFieldsWidth) EVT_UPDATE_UI(StatusBar_Toggle, MyFrame::OnUpdateStatusBarToggle) EVT_UPDATE_UI(StatusBar_SetTexts, MyFrame::OnUpdateSetStatusTexts) EVT_UPDATE_UI(StatusBar_SetFields, MyFrame::OnUpdateSetStatusFields) EVT_UPDATE_UI(StatusBar_SetStyleNormal, MyFrame::OnUpdateSetStyleNormal) EVT_UPDATE_UI(StatusBar_SetStyleFlat, MyFrame::OnUpdateSetStyleFlat) EVT_UPDATE_UI(StatusBar_SetStyleRaised, MyFrame::OnUpdateSetStyleRaised) END_EVENT_TABLE() BEGIN_EVENT_TABLE(MyStatusBar, wxStatusBar) EVT_SIZE(MyStatusBar::OnSize) #if wxUSE_CHECKBOX EVT_CHECKBOX(StatusBar_Checkbox, MyStatusBar::OnToggleClock) #endif EVT_BUTTON(wxID_ANY, MyStatusBar::OnButton) #if wxUSE_TIMER EVT_TIMER(wxID_ANY, MyStatusBar::OnTimer) #endif END_EVENT_TABLE() // Create a new application object: this macro will allow wxWidgets 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() { if ( !wxApp::OnInit() ) return false; // create the main application window MyFrame *frame = new MyFrame(_T("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) #ifdef USE_MDI_PARENT_FRAME : wxMDIParentFrame((wxWindow *)NULL, wxID_ANY, title, pos, size) #else : wxFrame((wxWindow *)NULL, wxID_ANY, title, pos, size) #endif { m_statbarDefault = NULL; m_statbarCustom = NULL; m_statbarStyle = wxSB_NORMAL; #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, _T("E&xit\tAlt-X"), _T("Quit this program")); wxMenu *statbarMenu = new wxMenu; statbarMenu->Append(StatusBar_SetFields, _T("&Set field count\tCtrl-C"), _T("Set the number of status bar fields")); statbarMenu->Append(StatusBar_SetTexts, _T("&Set field text\tCtrl-T"), _T("Set the text to display for each status bar field")); wxMenu *statbarStyleMenu = new wxMenu; statbarStyleMenu->Append(StatusBar_SetStyleNormal, _T("&Normal"), _T("Sets the style of the first field to normal (sunken) look"), true); statbarStyleMenu->Append(StatusBar_SetStyleFlat, _T("&Flat"), _T("Sets the style of the first field to flat look"), true); statbarStyleMenu->Append(StatusBar_SetStyleRaised, _T("&Raised"), _T("Sets the style of the first field to raised look"), true); statbarMenu->Append(StatusBar_SetStyle, _T("Field style"), statbarStyleMenu); statbarMenu->Append(StatusBar_ResetFieldsWidth, _T("Reset field widths"), _T("Sets all fields to the same width")); statbarMenu->AppendSeparator(); statbarMenu->Append(StatusBar_Toggle, _T("&Toggle Status Bar"), _T("Toggle the status bar display"), true); statbarMenu->Append(StatusBar_Recreate, _T("&Recreate\tCtrl-R"), _T("Toggle status bar format")); wxMenu *helpMenu = new wxMenu; helpMenu->Append(StatusBar_About, _T("&About...\tCtrl-A"), _T("Show about dialog")); // now append the freshly created menu to the menu bar... wxMenuBar *menuBar = new wxMenuBar(); menuBar->Append(menuFile, _T("&File")); menuBar->Append(statbarMenu, _T("&Status bar")); menuBar->Append(helpMenu, _T("&Help")); // ... and attach this menu bar to the frame SetMenuBar(menuBar); // create default status bar to start with CreateStatusBar(2); m_statbarKind = StatBar_Default; SetStatusText(_T("Welcome to wxWidgets!")); 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(wxT("unknown stat bar kind")); } ApplyStyle(); GetStatusBar()->Show(); PositionStatusBar(); m_statbarKind = kind; } // ---------------------------------------------------------------------------- // main frame - event handlers // ---------------------------------------------------------------------------- void MyFrame::OnUpdateSetStatusTexts(wxUpdateUIEvent& event) { // only allow the settings of the text of status fields for the default // status bar wxStatusBar *sb = GetStatusBar(); event.Enable(sb == m_statbarDefault); } void MyFrame::OnSetStatusTexts(wxCommandEvent& WXUNUSED(event)) { wxStatusBar *sb = GetStatusBar(); wxString txt; for (int i=0; iGetFieldsCount(); i++) { txt = wxGetTextFromUser(wxString::Format("Enter the text for the %d-th field:", i+1), "Input field text", "A dummy test string", this); sb->SetStatusText(txt, i); } } void MyFrame::OnUpdateSetStatusFields(wxUpdateUIEvent& event) { // only allow the settings of the number of status fields for the default // status bar wxStatusBar *sb = GetStatusBar(); event.Enable(sb == m_statbarDefault); } void MyFrame::OnSetStatusFields(wxCommandEvent& WXUNUSED(event)) { wxStatusBar *sb = GetStatusBar(); long nFields = wxGetNumberFromUser ( _T("Select the number of fields in the status bar"), _T("Fields:"), _T("wxWidgets statusbar sample"), sb->GetFieldsCount(), 1, 5, this ); // we don't check if the number changed at all on purpose: calling // SetFieldsCount() with the same number of fields should be ok if ( nFields != -1 ) { static const int widthsFor2Fields[] = { 200, -1 }; static const int widthsFor3Fields[] = { -1, -2, -1 }; static const int widthsFor4Fields[] = { 100, -1, 100, -2, 100 }; static const int *widthsAll[] = { NULL, // 1 field: default widthsFor2Fields, // 2 fields: 1 fixed, 1 var widthsFor3Fields, // 3 fields: 3 var widthsFor4Fields, // 4 fields: 3 fixed, 2 vars NULL // 5 fields: default (all have same width) }; const int * const widths = widthsAll[nFields - 1]; sb->SetFieldsCount(nFields, widths); wxString s; for ( long n = 0; n < nFields; n++ ) { if ( widths ) { if ( widths[n] > 0 ) s.Printf(_T("fixed (%d)"), widths[n]); else s.Printf(_T("variable (*%d)"), -widths[n]); } else { s = _T("default"); } SetStatusText(s, n); } } else { wxLogStatus(this, wxT("Cancelled")); } } void MyFrame::OnUpdateResetFieldsWidth(wxUpdateUIEvent& event) { // only allow the settings of the number of status fields for the default // status bar wxStatusBar *sb = GetStatusBar(); event.Enable(sb == m_statbarDefault); } void MyFrame::OnResetFieldsWidth(wxCommandEvent& WXUNUSED(event)) { wxStatusBar *pStat = GetStatusBar(); if (pStat) { int n = pStat->GetFieldsCount(); pStat->SetStatusWidths(n, NULL); for (int i=0; iSetStatusText("same size", i); } } void MyFrame::OnUpdateStatusBarToggle(wxUpdateUIEvent& event) { event.Check(GetStatusBar() != NULL); } void MyFrame::OnStatusBarToggle(wxCommandEvent& WXUNUSED(event)) { wxStatusBar *statbarOld = GetStatusBar(); if ( statbarOld ) { statbarOld->Hide(); SetStatusBar(NULL); } else { DoCreateStatusBar(m_statbarKind); } } 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)) { MyAboutDialog dlg(this); dlg.ShowModal(); } void MyFrame::OnUpdateSetStyleNormal(wxUpdateUIEvent &event) { event.Check(m_statbarStyle == wxSB_NORMAL); } void MyFrame::OnUpdateSetStyleFlat(wxUpdateUIEvent &event) { event.Check(m_statbarStyle == wxSB_FLAT); } void MyFrame::OnUpdateSetStyleRaised(wxUpdateUIEvent &event) { event.Check(m_statbarStyle == wxSB_RAISED); } void MyFrame::OnSetStyleNormal(wxCommandEvent & WXUNUSED(event)) { m_statbarStyle = wxSB_NORMAL; ApplyStyle(); } void MyFrame::OnSetStyleFlat(wxCommandEvent & WXUNUSED(event)) { m_statbarStyle = wxSB_FLAT; ApplyStyle(); } void MyFrame::OnSetStyleRaised(wxCommandEvent & WXUNUSED(event)) { m_statbarStyle = wxSB_RAISED; ApplyStyle(); } void MyFrame::ApplyStyle() { wxStatusBar *sb = GetStatusBar(); int fields = sb->GetFieldsCount(); int *styles = new int[fields]; for (int i = 1; i < fields; i++) styles[i] = wxSB_NORMAL; styles[0] = m_statbarStyle; sb->SetStatusStyles(fields, styles); delete [] styles; } // ---------------------------------------------------------------------------- // MyAboutDialog // ---------------------------------------------------------------------------- MyAboutDialog::MyAboutDialog(wxWindow *parent) : wxDialog(parent, wxID_ANY, wxString(_T("About statbar")), wxDefaultPosition, wxDefaultSize, wxDEFAULT_DIALOG_STYLE | wxRESIZE_BORDER) { wxStaticText *text = new wxStaticText(this, wxID_ANY, _T("wxStatusBar sample\n") _T("(c) 2000 Vadim Zeitlin")); wxButton *btn = new wxButton(this, wxID_OK, _T("&Close")); // create the top status bar without the size grip (default style), // otherwise it looks weird wxStatusBar *statbarTop = new wxStatusBar(this, wxID_ANY, 0); statbarTop->SetFieldsCount(3); statbarTop->SetStatusText(_T("This is a top status bar"), 0); statbarTop->SetStatusText(_T("in a dialog"), 1); statbarTop->SetStatusText(_T("Great, isn't it?"), 2); wxStatusBar *statbarBottom = new wxStatusBar(this, wxID_ANY); statbarBottom->SetFieldsCount(2); statbarBottom->SetStatusText(_T("This is a bottom status bar"), 0); statbarBottom->SetStatusText(_T("in a dialog"), 1); wxBoxSizer *sizerTop = new wxBoxSizer(wxVERTICAL); sizerTop->Add(statbarTop, 0, wxGROW); sizerTop->Add(-1, 10, 1, wxGROW); sizerTop->Add(text, 0, wxCENTRE | wxRIGHT | wxLEFT, 20); sizerTop->Add(-1, 10, 1, wxGROW); sizerTop->Add(btn, 0, wxCENTRE | wxRIGHT | wxLEFT, 20); sizerTop->Add(-1, 10, 1, wxGROW); sizerTop->Add(statbarBottom, 0, wxGROW); SetSizerAndFit(sizerTop); } // ---------------------------------------------------------------------------- // MyStatusBar // ---------------------------------------------------------------------------- #ifdef __VISUALC__ // 'this' : used in base member initializer list -- so what?? #pragma warning(disable: 4355) #endif MyStatusBar::MyStatusBar(wxWindow *parent) : wxStatusBar(parent, wxID_ANY) #if wxUSE_TIMER , m_timer(this) #endif #if wxUSE_CHECKBOX , m_checkbox(NULL) #endif { static const int widths[Field_Max] = { -1, 150, BITMAP_SIZE_X, 100 }; SetFieldsCount(Field_Max); SetStatusWidths(Field_Max, widths); #if wxUSE_CHECKBOX m_checkbox = new wxCheckBox(this, StatusBar_Checkbox, _T("&Toggle clock")); m_checkbox->SetValue(true); #endif #ifdef USE_STATIC_BITMAP m_statbmp = new wxStaticBitmap(this, wxID_ANY, wxIcon(green_xpm)); #else m_statbmp = new wxBitmapButton(this, wxID_ANY, CreateBitmapForButton(), wxDefaultPosition, wxDefaultSize, wxBU_EXACTFIT); #endif #if wxUSE_TIMER m_timer.Start(1000); #endif SetMinHeight(wxMax(m_statbmp->GetBestSize().GetHeight(), m_checkbox->GetBestSize().GetHeight())); UpdateClock(); } #ifdef __VISUALC__ #pragma warning(default: 4355) #endif MyStatusBar::~MyStatusBar() { #if wxUSE_TIMER if ( m_timer.IsRunning() ) { m_timer.Stop(); } #endif } #define BMP_BUTTON_SIZE_X 10 #define BMP_BUTTON_SIZE_Y 10 wxBitmap MyStatusBar::CreateBitmapForButton(bool on) { wxBitmap bitmap(BMP_BUTTON_SIZE_X+1, BMP_BUTTON_SIZE_Y+1); wxMemoryDC dc; dc.SelectObject(bitmap); dc.SetBrush(on ? *wxGREEN_BRUSH : *wxRED_BRUSH); dc.SetBackgroundMode(wxBRUSHSTYLE_TRANSPARENT); dc.Clear(); dc.DrawEllipse(0, 0, BMP_BUTTON_SIZE_X, BMP_BUTTON_SIZE_Y); dc.SelectObject(wxNullBitmap); return bitmap; } void MyStatusBar::OnSize(wxSizeEvent& event) { #if wxUSE_CHECKBOX if ( !m_checkbox ) return; #endif wxRect rect; GetFieldRect(Field_Checkbox, rect); #if wxUSE_CHECKBOX m_checkbox->SetSize(rect.x + 2, rect.y + 2, rect.width - 4, rect.height - 4); #endif GetFieldRect(Field_Bitmap, rect); wxSize size = m_statbmp->GetSize(); m_statbmp->Move(rect.x + (rect.width - size.x) / 2, rect.y + (rect.height - size.y) / 2); event.Skip(); } void MyStatusBar::OnButton(wxCommandEvent& WXUNUSED(event)) { #if wxUSE_CHECKBOX m_checkbox->SetValue(!m_checkbox->GetValue()); #endif DoToggle(); } void MyStatusBar::OnToggleClock(wxCommandEvent& WXUNUSED(event)) { DoToggle(); } void MyStatusBar::DoToggle() { #if wxUSE_CHECKBOX if ( m_checkbox->GetValue() ) { #if wxUSE_TIMER m_timer.Start(1000); #endif #ifdef USE_STATIC_BITMAP m_statbmp->SetIcon(wxIcon(green_xpm)); #else m_statbmp->SetBitmapLabel(CreateBitmapForButton(false)); m_statbmp->Refresh(); #endif UpdateClock(); } else // don't show clock { #if wxUSE_TIMER m_timer.Stop(); #endif #ifdef USE_STATIC_BITMAP m_statbmp->SetIcon(wxIcon(red_xpm)); #else m_statbmp->SetBitmapLabel(CreateBitmapForButton(true)); m_statbmp->Refresh(); #endif SetStatusText(wxEmptyString, Field_Clock); } #endif } void MyStatusBar::UpdateClock() { SetStatusText(wxDateTime::Now().FormatTime(), Field_Clock); }