samples/propsize/propsize.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        propsize.cpp
   3 // Purpose:     wxWidgets propsize sample
   4 // Author:      Julian Smart
   5 // Modified by:
   6 // Created:     04/01/98
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) Julian Smart
   9 // License:     wxWindows license
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 // ============================================================================
  13 // declarations
  14 // ============================================================================
  15
  16 // ----------------------------------------------------------------------------
  17 // headers
  18 // ----------------------------------------------------------------------------
  19 #if defined(__GNUG__) && !defined(__APPLE__)
  20     #pragma implementation "propsize.cpp"
  21     #pragma interface "propsize.cpp"
  22 #endif
  23
  24 // For compilers that support precompilation, includes "wx/wx.h".
  25 #include "wx/wxprec.h"
  26
  27 #ifdef __BORLANDC__
  28     #pragma hdrstop
  29 #endif
  30
  31 // for all others, include the necessary headers (this file is usually all you
  32 // need because it includes almost all "standard" wxWidgets headers
  33 #ifndef WX_PRECOMP
  34     #include "wx/wx.h"
  35 #endif
  36
  37 #include "wx/statline.h"
  38
  39 // ----------------------------------------------------------------------------
  40 // ressources
  41 // ----------------------------------------------------------------------------
  42 // the application icon
  43 #if defined(__WXGTK__) || defined(__WXX11__) || defined(__WXMOTIF__) || defined(__WXMAC__) || defined(__WXMGL__)
  44     #include "mondrian.xpm"
  45 #endif
  46
  47 // ----------------------------------------------------------------------------
  48 // private classes
  49 // ----------------------------------------------------------------------------
  50
  51 // Define a new application type, each program should derive a class from wxApp
  52 class MyApp : public wxApp
  53 {
  54 public:
  55     // override base class virtuals
  56     // ----------------------------
  57
  58     // this one is called on application startup and is a good place for the app
  59     // initialization (doing it here and not in the ctor allows to have an error
  60     // return: if OnInit() returns false, the application terminates)
  61     virtual bool OnInit();
  62 };
  63
  64 // Define a new frame type: this is going to be our main frame
  65 class MyFrame : public wxFrame
  66 {
  67 public:
  68     // ctor(s)
  69     MyFrame(const wxString& title, const wxPoint& pos, const wxSize& size);
  70
  71     // event handlers (these functions should _not_ be virtual)
  72     void OnQuit(wxCommandEvent& event);
  73     void OnAbout(wxCommandEvent& event);
  74
  75 private:
  76     // any class wishing to process wxWidgets events must use this macro
  77     DECLARE_EVENT_TABLE()
  78 };
  79
  80 // ----------------------------------------------------------------------------
  81 // constants
  82 // ----------------------------------------------------------------------------
  83
  84 // IDs for the controls and the menu commands
  85 enum
  86 {
  87     // menu items
  88     Minimal_Quit = 1,
  89 };
  90
  91 // ----------------------------------------------------------------------------
  92 // event tables and other macros for wxWidgets
  93 // ----------------------------------------------------------------------------
  94
  95 // the event tables connect the wxWidgets events with the functions (event
  96 // handlers) which process them. It can be also done at run-time, but for the
  97 // simple menu events like this the static method is much simpler.
  98 BEGIN_EVENT_TABLE(MyFrame, wxFrame)
  99     EVT_MENU(Minimal_Quit,  MyFrame::OnQuit)
 100     EVT_MENU(wxID_ABOUT, MyFrame::OnAbout)
 101 END_EVENT_TABLE()
 102
 103 // Create a new application object: this macro will allow wxWidgets to create
 104 // the application object during program execution (it's better than using a
 105 // static object for many reasons) and also declares the accessor function
 106 // wxGetApp() which will return the reference of the right type (i.e. MyApp and
 107 // not wxApp)
 108 IMPLEMENT_APP(MyApp)
 109
 110 // ============================================================================
 111 // implementation
 112 // ============================================================================
 113
 114 // ----------------------------------------------------------------------------
 115 // the application class
 116 // ----------------------------------------------------------------------------
 117
 118 // `Main program' equivalent: the program execution "starts" here
 119 bool MyApp::OnInit()
 120 {
 121     // Create the main application window
 122     MyFrame *frame = new MyFrame(_T("Proportional resize"),
 123                                  wxPoint(50, 50), wxSize(450, 340));
 124
 125     // Show it and tell the application that it's our main window
 126     // @@@ what does it do exactly, in fact? is it necessary here?
 127     frame->Show(true);
 128     SetTopWindow(frame);
 129
 130     // success: wxApp::OnRun() will be called which will enter the main message
 131     // loop and the application will run. If we returned false here, the
 132     // application would exit immediately.
 133     return true;
 134 }
 135
 136 // ----------------------------------------------------------------------------
 137 // main frame
 138 // ----------------------------------------------------------------------------
 139
 140 // frame constructor
 141 MyFrame::MyFrame(const wxString& title, const wxPoint& pos, const wxSize& size)
 142        : wxFrame((wxFrame *)NULL, wxID_ANY, title, pos, size)
 143 {
 144     // set the frame icon
 145     SetIcon(wxICON(mondrian));
 146
 147     // create a menu bar
 148     wxMenu *menuFile = new wxMenu(_T(""), wxMENU_TEAROFF);
 149
 150     menuFile->Append(wxID_ABOUT, _T("&About...\tCtrl-A"), _T("Show about dialog"));
 151     menuFile->AppendSeparator();
 152     menuFile->Append(Minimal_Quit, _T("E&xit\tAlt-X"), _T("Quit this program"));
 153
 154     // now append the freshly created menu to the menu bar...
 155     wxMenuBar *menuBar = new wxMenuBar();
 156     menuBar->Append(menuFile, _T("&File"));
 157
 158     // ... and attach this menu bar to the frame
 159     SetMenuBar(menuBar);
 160
 161 #if wxUSE_STATUSBAR
 162     // create a status bar just for fun (by default with 1 pane only)
 163     CreateStatusBar(1);
 164     SetStatusText(_T("Resize the frame to see how controls react"));
 165 #endif // wxUSE_STATUSBAR
 166
 167 #define AddLine(orient) \
 168     Add( new wxStaticLine( this, wxID_ANY, wxDefaultPosition, wxSize(2,2), orient), \
 169     0, wxEXPAND)
 170
 171 #define AddButton(label,align) Add( \
 172     new wxButton( this, wxID_ANY, label, wxDefaultPosition, wxSize(100,50)), \
 173     1, wxSHAPED | align)
 174
 175     wxBoxSizer *topsizer = new wxBoxSizer( wxVERTICAL );
 176     // top row -- top-aligned
 177     wxBoxSizer *hsizer1 = new wxBoxSizer( wxHORIZONTAL );
 178     hsizer1->AddButton( _T("one"), wxALIGN_LEFT | wxALIGN_TOP);
 179     hsizer1->AddLine(wxVERTICAL);
 180     hsizer1->AddButton( _T("two"), wxALIGN_CENTER_HORIZONTAL | wxALIGN_TOP);
 181     hsizer1->AddLine(wxVERTICAL);
 182     hsizer1->AddButton( _T("three"), wxALIGN_RIGHT | wxALIGN_TOP);
 183
 184     topsizer->Add(hsizer1, 1, wxEXPAND);
 185     topsizer->AddLine(wxHORIZONTAL);
 186
 187     wxBoxSizer *hsizer2 = new wxBoxSizer( wxHORIZONTAL );
 188     hsizer2->AddButton( _T("four"), wxALIGN_LEFT | wxALIGN_CENTER_VERTICAL);
 189     hsizer2->AddLine(wxVERTICAL);
 190     // sizer that preserves it's shape
 191     wxBoxSizer *vsizer = new wxBoxSizer( wxVERTICAL );
 192     vsizer->Add(
 193         new wxButton( this, wxID_ANY, _T("up"), wxDefaultPosition, wxSize(100,25) ),
 194         1, wxEXPAND);
 195
 196     vsizer->Add(
 197         new wxButton( this, wxID_ANY, _T("down"), wxDefaultPosition, wxSize(100,25) ),
 198         1, wxEXPAND);
 199
 200     hsizer2->Add(vsizer, 1, wxSHAPED | wxALIGN_CENTER);
 201     hsizer2->AddLine(wxVERTICAL);
 202     hsizer2->AddButton( _T("six"), wxALIGN_RIGHT | wxALIGN_CENTER_VERTICAL);
 203
 204     topsizer->Add(hsizer2, 1, wxEXPAND);
 205     topsizer->AddLine(wxHORIZONTAL);
 206
 207     wxBoxSizer *hsizer3 = new wxBoxSizer( wxHORIZONTAL );
 208     hsizer3->AddButton( _T("seven"), wxALIGN_LEFT | wxALIGN_BOTTOM);
 209     hsizer3->AddLine(wxVERTICAL);
 210     hsizer3->AddButton( _T("eight"), wxALIGN_CENTER_HORIZONTAL | wxALIGN_BOTTOM);
 211     hsizer3->AddLine(wxVERTICAL);
 212     // wxEXPAND should have no effect
 213     hsizer3->AddButton( _T("nine"), wxEXPAND | wxALIGN_RIGHT | wxALIGN_BOTTOM);
 214
 215     topsizer->Add(hsizer3, 1, wxEXPAND);
 216
 217     // set frame to minimum size
 218     topsizer->Fit( this );
 219
 220     // don't allow frame to get smaller than what the sizers tell ye
 221     // topsizer->SetSizeHints( this );
 222
 223     SetSizer( topsizer );
 224 }
 225
 226
 227 // event handlers
 228
 229 void MyFrame::OnQuit(wxCommandEvent& WXUNUSED(event))
 230 {
 231     // true is to force the frame to close
 232     Close(true);
 233 }
 234
 235 void MyFrame::OnAbout(wxCommandEvent& WXUNUSED(event))
 236 {
 237     wxString msg;
 238     msg.Printf( _T("This is the about dialog of proportional sizer test.\n")
 239                 _T("Welcome to %s")
 240 #ifdef wxBETA_NUMBER
 241                _T(" (beta %d)!")
 242 #endif // wxBETA_NUMBER
 243                , wxVERSION_STRING
 244 #ifdef wxBETA_NUMBER
 245                , wxBETA_NUMBER
 246 #endif // wxBETA_NUMBER
 247               );
 248
 249     wxMessageBox(msg, _T("About Shaped Sizer"), wxOK | wxICON_INFORMATION, this);
 250 }