///////////////////////////////////////////////////////////////////////////// // Program: wxWindows Widgets Sample // Name: widgets.cpp // Purpose: Sample showing most of the simple wxWindows widgets // Author: Vadim Zeitlin // Created: 27.03.01 // Id: $Id$ // Copyright: (c) 2001 Vadim Zeitlin // License: wxWindows license ///////////////////////////////////////////////////////////////////////////// // ============================================================================ // 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 #ifndef WX_PRECOMP #include "wx/app.h" #include "wx/log.h" #include "wx/frame.h" #include "wx/button.h" #include "wx/checkbox.h" #include "wx/listbox.h" #include "wx/statbox.h" #include "wx/stattext.h" #include "wx/textctrl.h" #endif #include "wx/notebook.h" #include "wx/sizer.h" #include "widgets.h" // ---------------------------------------------------------------------------- // constants // ---------------------------------------------------------------------------- // control ids enum { Widgets_ClearLog = 100, Widgets_Quit }; // ---------------------------------------------------------------------------- // our classes // ---------------------------------------------------------------------------- // Define a new application type, each program should derive a class from wxApp class WidgetsApp : 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(); }; // Define a new frame type: this is going to be our main frame class WidgetsFrame : public wxFrame { public: // ctor(s) and dtor WidgetsFrame(const wxString& title); virtual ~WidgetsFrame(); protected: // event handlers void OnButtonClearLog(wxCommandEvent& event); void OnButtonQuit(wxCommandEvent& event); // initialize the notebook: add all pages to it void InitNotebook(); private: // the panel containing everything wxPanel *m_panel; // the listbox for logging messages wxListBox *m_lboxLog; // the log target we use to redirect messages to the listbox wxLog *m_logTarget; // the notebook containing the test pages wxNotebook *m_notebook; // and the image list for it wxImageList *m_imaglist; // any class wishing to process wxWindows events must use this macro DECLARE_EVENT_TABLE() }; // A log target which just redirects the messages to a listbox class LboxLogger : public wxLog { public: LboxLogger(wxListBox *lbox, wxLog *logOld) { m_lbox = lbox; //m_lbox->Disable(); -- looks ugly under MSW m_logOld = logOld; } virtual ~LboxLogger() { wxLog::SetActiveTarget(m_logOld); } private: // implement sink functions virtual void DoLog(wxLogLevel level, const wxChar *szString, time_t t) { // don't put trace messages into listbox or we can get into infinite // recursion if ( level == wxLOG_Trace ) { if ( m_logOld ) { // cast is needed to call protected method ((LboxLogger *)m_logOld)->DoLog(level, szString, t); } } else { wxLog::DoLog(level, szString, t); } } virtual void DoLogString(const wxChar *szString, time_t t) { wxString msg; TimeStamp(&msg); msg += szString; #ifdef __WXUNIVERSAL__ m_lbox->AppendAndEnsureVisible(msg); #else // other ports don't have this method yet m_lbox->Append(msg); m_lbox->SetFirstItem(m_lbox->GetCount() - 1); #endif } // the control we use wxListBox *m_lbox; // the old log target wxLog *m_logOld; }; // array of pages WX_DEFINE_ARRAY(WidgetsPage *, ArrayWidgetsPage); // ---------------------------------------------------------------------------- // misc macros // ---------------------------------------------------------------------------- IMPLEMENT_APP(WidgetsApp) // ---------------------------------------------------------------------------- // event tables // ---------------------------------------------------------------------------- BEGIN_EVENT_TABLE(WidgetsFrame, wxFrame) EVT_BUTTON(Widgets_ClearLog, WidgetsFrame::OnButtonClearLog) EVT_BUTTON(Widgets_Quit, WidgetsFrame::OnButtonQuit) END_EVENT_TABLE() // ============================================================================ // implementation // ============================================================================ // ---------------------------------------------------------------------------- // app class // ---------------------------------------------------------------------------- bool WidgetsApp::OnInit() { if ( !wxApp::OnInit() ) return FALSE; // the reason for having these ifdef's is that I often run two copies of // this sample side by side and it is useful to see which one is which wxString title; #if defined(__WXUNIVERSAL__) title = _T("wxUniv/"); #endif #if defined(__WXMSW__) title += _T("wxMSW"); #elif defined(__WXGTK__) title += _T("wxGTK"); #else title += _T("wxWindows"); #endif wxFrame *frame = new WidgetsFrame(title + _T(" widgets demo")); frame->Show(); //wxLog::AddTraceMask(_T("listbox")); //wxLog::AddTraceMask(_T("scrollbar")); return TRUE; } // ---------------------------------------------------------------------------- // WidgetsFrame construction // ---------------------------------------------------------------------------- WidgetsFrame::WidgetsFrame(const wxString& title) : wxFrame(NULL, -1, title, wxPoint(0, 50)) { // init everything m_lboxLog = (wxListBox *)NULL; m_logTarget = (wxLog *)NULL; m_notebook = (wxNotebook *)NULL; m_imaglist = (wxImageList *)NULL; // create controls m_panel = new wxPanel(this, -1); wxSizer *sizerTop = new wxBoxSizer(wxVERTICAL); // we have 2 panes: notebook which pages demonstrating the controls in the // upper one and the log window with some buttons in the lower m_notebook = new wxNotebook(m_panel, -1); InitNotebook(); wxSizer *sizerUp = new wxNotebookSizer(m_notebook); // the lower one only has the log listbox and a button to clear it wxSizer *sizerDown = new wxStaticBoxSizer ( new wxStaticBox(m_panel, -1, _T("&Log window")), wxVERTICAL ); m_lboxLog = new wxListBox(m_panel, -1); sizerDown->Add(m_lboxLog, 1, wxGROW | wxALL, 5); sizerDown->SetMinSize(100, 200); wxBoxSizer *sizerBtns = new wxBoxSizer(wxHORIZONTAL); wxButton *btn = new wxButton(m_panel, Widgets_ClearLog, _T("Clear &log")); sizerBtns->Add(btn); sizerBtns->Add(10, 0); // spacer btn = new wxButton(m_panel, Widgets_Quit, _T("E&xit")); sizerBtns->Add(btn); sizerDown->Add(sizerBtns, 0, wxALL | wxALIGN_RIGHT, 5); // put everything together sizerTop->Add(sizerUp, 1, wxGROW | (wxALL & ~(wxTOP | wxBOTTOM)), 10); sizerTop->Add(0, 5, 0, wxGROW); // spacer in between sizerTop->Add(sizerDown, 0, wxGROW | (wxALL & ~wxTOP), 10); m_panel->SetAutoLayout(TRUE); m_panel->SetSizer(sizerTop); sizerTop->Fit(this); sizerTop->SetSizeHints(this); // now that everything is created we can redirect the log messages to the // listbox m_logTarget = new LboxLogger(m_lboxLog, wxLog::GetActiveTarget()); wxLog::SetActiveTarget(m_logTarget); } void WidgetsFrame::InitNotebook() { m_imaglist = new wxImageList(32, 32); ArrayWidgetsPage pages; wxArrayString labels; // we need to first create all pages and only then add them to the notebook // as we need the image list first WidgetsPageInfo *info = WidgetsPage::ms_widgetPages; while ( info ) { WidgetsPage *page = (*info->GetCtor())(m_notebook, m_imaglist); pages.Add(page); labels.Add(info->GetLabel()); info = info->GetNext(); } m_notebook->SetImageList(m_imaglist); // now do add them size_t count = pages.GetCount(); for ( size_t n = 0; n < count; n++ ) { m_notebook->AddPage( pages[n], labels[n], FALSE, // don't select n // image id ); } } WidgetsFrame::~WidgetsFrame() { delete m_logTarget; delete m_imaglist; } // ---------------------------------------------------------------------------- // WidgetsFrame event handlers // ---------------------------------------------------------------------------- void WidgetsFrame::OnButtonQuit(wxCommandEvent& WXUNUSED(event)) { Close(); } void WidgetsFrame::OnButtonClearLog(wxCommandEvent& event) { m_lboxLog->Clear(); } // ---------------------------------------------------------------------------- // WidgetsPageInfo // ---------------------------------------------------------------------------- WidgetsPageInfo *WidgetsPage::ms_widgetPages = NULL; WidgetsPageInfo::WidgetsPageInfo(Constructor ctor, const wxChar *label) : m_label(label) { m_ctor = ctor; m_next = WidgetsPage::ms_widgetPages; WidgetsPage::ms_widgetPages = this; } // ---------------------------------------------------------------------------- // WidgetsPage // ---------------------------------------------------------------------------- WidgetsPage::WidgetsPage(wxNotebook *notebook) : wxPanel(notebook, -1) { } wxSizer *WidgetsPage::CreateSizerWithText(wxControl *control, wxWindowID id, wxTextCtrl **ppText) { wxSizer *sizerRow = new wxBoxSizer(wxHORIZONTAL); wxTextCtrl *text = new wxTextCtrl(this, id, _T("")); sizerRow->Add(control, 0, wxRIGHT | wxALIGN_CENTRE_VERTICAL, 5); sizerRow->Add(text, 1, wxLEFT | wxALIGN_CENTRE_VERTICAL, 5); if ( ppText ) *ppText = text; return sizerRow; } // create a sizer containing a label and a text ctrl wxSizer *WidgetsPage::CreateSizerWithTextAndLabel(const wxString& label, wxWindowID id, wxTextCtrl **ppText) { return CreateSizerWithText(new wxStaticText(this, -1, label), id, ppText); } // create a sizer containing a button and a text ctrl wxSizer *WidgetsPage::CreateSizerWithTextAndButton(wxWindowID idBtn, const wxString& label, wxWindowID id, wxTextCtrl **ppText) { return CreateSizerWithText(new wxButton(this, idBtn, label), id, ppText); } wxCheckBox *WidgetsPage::CreateCheckBoxAndAddToSizer(wxSizer *sizer, const wxString& label, wxWindowID id) { wxCheckBox *checkbox = new wxCheckBox(this, id, label); sizer->Add(checkbox, 0, wxLEFT | wxRIGHT, 5); sizer->Add(0, 2, 0, wxGROW); // spacer return checkbox; }