X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/9b73db3c34aefd98080b425459322fa821ae271f..bc9d3d911cfb51f612a699d7fb00f57eb5b2097c:/samples/minimal/minimal.cpp diff --git a/samples/minimal/minimal.cpp b/samples/minimal/minimal.cpp index b65cb80df0..a78e462908 100644 --- a/samples/minimal/minimal.cpp +++ b/samples/minimal/minimal.cpp @@ -1,6 +1,6 @@ ///////////////////////////////////////////////////////////////////////////// // Name: minimal.cpp -// Purpose: Minimal wxWindows sample +// Purpose: Minimal wxWidgets sample // Author: Julian Smart // Modified by: // Created: 04/01/98 @@ -16,10 +16,6 @@ // ---------------------------------------------------------------------------- // headers // ---------------------------------------------------------------------------- -#ifdef __GNUG__ - #pragma implementation "minimal.cpp" - #pragma interface "minimal.cpp" -#endif // For compilers that support precompilation, includes "wx/wx.h". #include "wx/wxprec.h" @@ -29,17 +25,19 @@ #endif // for all others, include the necessary headers (this file is usually all you -// need because it includes almost all "standard" wxWindows headers +// need because it includes almost all "standard" wxWidgets headers) #ifndef WX_PRECOMP #include "wx/wx.h" #endif // ---------------------------------------------------------------------------- -// ressources +// resources // ---------------------------------------------------------------------------- -// the application icon -#if defined(__WXGTK__) || defined(__WXMOTIF__) - #include "mondrian.xpm" + +// the application icon (under Windows and OS/2 it is in resources and even +// though we could still include the XPM here it would be unused) +#ifndef wxHAS_IMAGES_IN_RESOURCES + #include "../sample.xpm" #endif // ---------------------------------------------------------------------------- @@ -64,17 +62,14 @@ class MyFrame : public wxFrame { public: // ctor(s) - MyFrame(const wxString& title, const wxPoint& pos, const wxSize& size); + MyFrame(const wxString& title); // event handlers (these functions should _not_ be virtual) void OnQuit(wxCommandEvent& event); void OnAbout(wxCommandEvent& event); - void OnTest(wxCommandEvent& event); - - void OnPaint(wxPaintEvent& event); private: - // any class wishing to process wxWindows events must use this macro + // any class wishing to process wxWidgets events must use this macro DECLARE_EVENT_TABLE() }; @@ -86,33 +81,29 @@ private: enum { // menu items - Minimal_Quit = 1, - Minimal_About, - Minimal_Test, + Minimal_Quit = wxID_EXIT, - // controls start here (the numbers are, of course, arbitrary) - Minimal_Text = 1000, + // 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) + Minimal_About = wxID_ABOUT }; // ---------------------------------------------------------------------------- -// event tables and other macros for wxWindows +// event tables and other macros for wxWidgets // ---------------------------------------------------------------------------- -// the event tables connect the wxWindows events with the functions (event +// 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. BEGIN_EVENT_TABLE(MyFrame, wxFrame) EVT_MENU(Minimal_Quit, MyFrame::OnQuit) EVT_MENU(Minimal_About, MyFrame::OnAbout) - - EVT_MENU(Minimal_Test, MyFrame::OnTest) - - EVT_PAINT(MyFrame::OnPaint) END_EVENT_TABLE() -// Create a new application object: this macro will allow wxWindows to create +// 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 +// static object for many reasons) and also implements the accessor function // wxGetApp() which will return the reference of the right type (i.e. MyApp and // not wxApp) IMPLEMENT_APP(MyApp) @@ -125,22 +116,25 @@ IMPLEMENT_APP(MyApp) // the application class // ---------------------------------------------------------------------------- -// `Main program' equivalent: the program execution "starts" here +// 'Main program' equivalent: the program execution "starts" here bool MyApp::OnInit() { - // Create the main application window - MyFrame *frame = new MyFrame("Minimal wxWindows App", - wxPoint(50, 50), wxSize(450, 340)); + // call the base class initialization method, currently it only parses a + // few common command-line options but it could be do more in the future + if ( !wxApp::OnInit() ) + return false; + + // create the main application window + MyFrame *frame = new MyFrame("Minimal wxWidgets App"); - // Show it and tell the application that it's our main window - // @@@ what does it do exactly, in fact? is it necessary here? - frame->Show(TRUE); - SetTopWindow(frame); + // 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 + // loop and the application will run. If we returned false here, the // application would exit immediately. - return TRUE; + return true; } // ---------------------------------------------------------------------------- @@ -148,32 +142,35 @@ bool MyApp::OnInit() // ---------------------------------------------------------------------------- // frame constructor -MyFrame::MyFrame(const wxString& title, const wxPoint& pos, const wxSize& size) - : wxFrame((wxFrame *)NULL, -1, title, pos, size) +MyFrame::MyFrame(const wxString& title) + : wxFrame(NULL, wxID_ANY, title) { // set the frame icon - SetIcon(wxICON(mondrian)); + SetIcon(wxICON(sample)); +#if wxUSE_MENUS // create a menu bar -// wxMenu *menuFile = new wxMenu; - wxMenu *menuFile = new wxMenu(wxMENU_TEAROFF); + wxMenu *fileMenu = new wxMenu; - menuFile->Append(Minimal_About, "&About...\tCtrl-A", "Show about dialog"); - menuFile->Append(Minimal_Test, "&Test...\tCtrl-T", "Test"); - menuFile->AppendSeparator(); - menuFile->Append(Minimal_Quit, "E&xit\tAlt-X", "Quit this program"); + // the "About" item should be in the help menu + wxMenu *helpMenu = new wxMenu; + helpMenu->Append(Minimal_About, "&About\tF1", "Show about dialog"); + + fileMenu->Append(Minimal_Quit, "E&xit\tAlt-X", "Quit this program"); // now append the freshly created menu to the menu bar... wxMenuBar *menuBar = new wxMenuBar(); - menuBar->Append(menuFile, "&File"); + menuBar->Append(fileMenu, "&File"); + menuBar->Append(helpMenu, "&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("Welcome to wxWindows!"); + SetStatusText("Welcome to wxWidgets!"); #endif // wxUSE_STATUSBAR } @@ -182,92 +179,22 @@ MyFrame::MyFrame(const wxString& title, const wxPoint& pos, const wxSize& size) void MyFrame::OnQuit(wxCommandEvent& WXUNUSED(event)) { - // TRUE is to force the frame to close - Close(TRUE); + // true is to force the frame to close + Close(true); } void MyFrame::OnAbout(wxCommandEvent& WXUNUSED(event)) { - wxString msg; - msg.Printf( _T("This is the about dialog of minimal sample.\n") - _T("Welcome to %s") -#ifdef wxBETA_NUMBER - _T(" (beta %d)!") -#endif // wxBETA_NUMBER - , wxVERSION_STRING -#ifdef wxBETA_NUMBER - , wxBETA_NUMBER -#endif // wxBETA_NUMBER - ); - - wxMessageBox(msg, "About Minimal", wxOK | wxICON_INFORMATION, this); -} - -struct Foo -{ - Foo(int n_) { n = n_; } - - int n; -}; - -WX_DECLARE_LIST(Foo, FooList); - -#include - -WX_DEFINE_LIST(FooList); - -int FooSort(const Foo **item1, const Foo **item2) -{ - return (*item2)->n - (*item1)->n; -} - -void ShowList(const FooList& list) -{ - wxString msg, str; - msg = "The list elements: ("; - for ( FooList::Node *node = list.GetFirst(); node; node = node->GetNext() ) - { - if ( !!str ) - msg += ", "; - str.Printf("%d", node->GetData()->n); - msg += str; - } - - msg += ')'; - - wxMessageBox(msg, "List contents", wxOK | wxICON_INFORMATION); -} - -void MyFrame::OnTest(wxCommandEvent& event) -{ - FooList list; - list.Append(new Foo(12)); - list.Append(new Foo(3)); - list.Append(new Foo(1)); - list.Append(new Foo(7)); - list.Append(new Foo(4)); - ShowList(list); - list.Sort(FooSort); - ShowList(list); -} - -void MyFrame::OnPaint(wxPaintEvent& event) -{ - wxPaintDC dc(this); - - wxMemoryDC dcMem; - wxSize size(GetClientSize()); - dcMem.SelectObject(wxBitmap(size.x, size.y, -1)); - - dcMem.SetBackground(wxBrush(wxColour(0, 0, 255), wxSOLID)); - dcMem.SetTextForeground(wxColour(0, 255, 0)); - dcMem.SetTextBackground(wxColour(0, 0, 0)); - dcMem.SetBackgroundMode(wxSOLID); - dcMem.Clear(); - dcMem.DrawText("Hello, wxWindows!", 10, 10); - - wxPoint ptOrig(0, 0); - dc.Blit(ptOrig, size, &dcMem, ptOrig); - - dcMem.SelectObject(wxNullBitmap); + wxMessageBox(wxString::Format + ( + "Welcome to %s!\n" + "\n" + "This is the minimal wxWidgets sample\n" + "running under %s.", + wxVERSION_STRING, + wxGetOsDescription() + ), + "About wxWidgets minimal sample", + wxOK | wxICON_INFORMATION, + this); }