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
  20 // For compilers that support precompilation, includes "wx/wx.h".
  21 #include "wx/wxprec.h"
  22
  23 #ifdef __BORLANDC__
  24     #pragma hdrstop
  25 #endif
  26
  27 // for all others, include the necessary headers (this file is usually all you
  28 // need because it includes almost all "standard" wxWidgets headers
  29 #ifndef WX_PRECOMP
  30     #include "wx/wx.h"
  31 #endif
  32
  33 #include "wx/statline.h"
  34
  35 // ----------------------------------------------------------------------------
  36 // ressources
  37 // ----------------------------------------------------------------------------
  38 // the application icon
  39 #if defined(__WXGTK__) || defined(__WXX11__) || defined(__WXMOTIF__) || defined(__WXMAC__) || defined(__WXMGL__)
  40     #include "mondrian.xpm"
  41 #endif
  42
  43 // ----------------------------------------------------------------------------
  44 // private classes
  45 // ----------------------------------------------------------------------------
  46
  47 // Define a new application type, each program should derive a class from wxApp
  48 class MyApp : public wxApp
  49 {
  50 public:
  51     // override base class virtuals
  52     // ----------------------------
  53
  54     // this one is called on application startup and is a good place for the app
  55     // initialization (doing it here and not in the ctor allows to have an error
  56     // return: if OnInit() returns false, the application terminates)
  57     virtual bool OnInit();
  58 };
  59
  60 // Define a new frame type: this is going to be our main frame
  61 class MyFrame : public wxFrame
  62 {
  63 public:
  64     // ctor(s)
  65     MyFrame(const wxString& title, const wxPoint& pos, const wxSize& size);
  66
  67     // event handlers (these functions should _not_ be virtual)
  68     void OnQuit(wxCommandEvent& event);
  69     void OnAbout(wxCommandEvent& event);
  70
  71 private:
  72     // any class wishing to process wxWidgets events must use this macro
  73     DECLARE_EVENT_TABLE()
  74 };
  75
  76 // ----------------------------------------------------------------------------
  77 // constants
  78 // ----------------------------------------------------------------------------
  79
  80 // IDs for the controls and the menu commands
  81 enum
  82 {
  83     // menu items
  84     Minimal_Quit = 1
  85 };
  86
  87 // ----------------------------------------------------------------------------
  88 // event tables and other macros for wxWidgets
  89 // ----------------------------------------------------------------------------
  90
  91 // the event tables connect the wxWidgets events with the functions (event
  92 // handlers) which process them. It can be also done at run-time, but for the
  93 // simple menu events like this the static method is much simpler.
  94 BEGIN_EVENT_TABLE(MyFrame, wxFrame)
  95     EVT_MENU(Minimal_Quit,  MyFrame::OnQuit)
  96     EVT_MENU(wxID_ABOUT, MyFrame::OnAbout)
  97 END_EVENT_TABLE()
  98
  99 // Create a new application object: this macro will allow wxWidgets to create
 100 // the application object during program execution (it's better than using a
 101 // static object for many reasons) and also declares the accessor function
 102 // wxGetApp() which will return the reference of the right type (i.e. MyApp and
 103 // not wxApp)
 104 IMPLEMENT_APP(MyApp)
 105
 106 // ============================================================================
 107 // implementation
 108 // ============================================================================
 109
 110 // ----------------------------------------------------------------------------
 111 // the application class
 112 // ----------------------------------------------------------------------------
 113
 114 // `Main program' equivalent: the program execution "starts" here
 115 bool MyApp::OnInit()
 116 {
 117     if ( !wxApp::OnInit() )
 118         return false;
 119
 120     // Create the main application window
 121     MyFrame *frame = new MyFrame(_T("Proportional resize"),
 122                                  wxPoint(50, 50), wxSize(450, 340));
 123
 124     // Show it and tell the application that it's our main window
 125     // @@@ what does it do exactly, in fact? is it necessary here?
 126     frame->Show(true);
 127     SetTopWindow(frame);
 128
 129     // success: wxApp::OnRun() will be called which will enter the main message
 130     // loop and the application will run. If we returned false here, the
 131     // application would exit immediately.
 132     return true;
 133 }
 134
 135 // ----------------------------------------------------------------------------
 136 // main frame
 137 // ----------------------------------------------------------------------------
 138
 139 // frame constructor
 140 MyFrame::MyFrame(const wxString& title, const wxPoint& pos, const wxSize& size)
 141        : wxFrame((wxFrame *)NULL, wxID_ANY, title, pos, size)
 142 {
 143     // set the frame icon
 144     SetIcon(wxICON(mondrian));
 145
 146     // create a menu bar
 147     wxMenu *menuFile = new wxMenu(_T(""), wxMENU_TEAROFF);
 148
 149     menuFile->Append(wxID_ABOUT, _T("&About...\tCtrl-A"), _T("Show about dialog"));
 150     menuFile->AppendSeparator();
 151     menuFile->Append(Minimal_Quit, _T("E&xit\tAlt-X"), _T("Quit this program"));
 152
 153     // now append the freshly created menu to the menu bar...
 154     wxMenuBar *menuBar = new wxMenuBar();
 155     menuBar->Append(menuFile, _T("&File"));
 156
 157     // ... and attach this menu bar to the frame
 158     SetMenuBar(menuBar);
 159
 160 #if wxUSE_STATUSBAR
 161     // create a status bar just for fun (by default with 1 pane only)
 162     CreateStatusBar(1);
 163     SetStatusText(_T("Resize the frame to see how controls react"));
 164 #endif // wxUSE_STATUSBAR
 165
 166 #if wxUSE_STATLINE
 167     #define AddLine(orient) \
 168         Add( new wxStaticLine( this, wxID_ANY, wxDefaultPosition, wxSize(2,2), orient), \
 169         0, wxEXPAND)
 170 #else
 171     #define AddLine(orient) \
 172         Add( 2, 2)
 173 #endif // wxUSE_STATLINE
 174
 175 #define AddButton(label,align) Add( \
 176     new wxButton( this, wxID_ANY, label, wxDefaultPosition, wxSize(100,50)), \
 177     1, wxSHAPED | align)
 178
 179     wxBoxSizer *topsizer = new wxBoxSizer( wxVERTICAL );
 180     // top row -- top-aligned
 181     wxBoxSizer *hsizer1 = new wxBoxSizer( wxHORIZONTAL );
 182     hsizer1->AddButton( _T("one"), wxALIGN_LEFT | wxALIGN_TOP);
 183     hsizer1->AddLine(wxVERTICAL);
 184     hsizer1->AddButton( _T("two"), wxALIGN_CENTER_HORIZONTAL | wxALIGN_TOP);
 185     hsizer1->AddLine(wxVERTICAL);
 186     hsizer1->AddButton( _T("three"), wxALIGN_RIGHT | wxALIGN_TOP);
 187
 188     topsizer->Add(hsizer1, 1, wxEXPAND);
 189     topsizer->AddLine(wxHORIZONTAL);
 190
 191     wxBoxSizer *hsizer2 = new wxBoxSizer( wxHORIZONTAL );
 192     hsizer2->AddButton( _T("four"), wxALIGN_LEFT | wxALIGN_CENTER_VERTICAL);
 193     hsizer2->AddLine(wxVERTICAL);
 194     // sizer that preserves it's shape
 195     wxBoxSizer *vsizer = new wxBoxSizer( wxVERTICAL );
 196     vsizer->Add(
 197         new wxButton( this, wxID_ANY, _T("up"), wxDefaultPosition, wxSize(100,25) ),
 198         1, wxEXPAND);
 199
 200     vsizer->Add(
 201         new wxButton( this, wxID_ANY, _T("down"), wxDefaultPosition, wxSize(100,25) ),
 202         1, wxEXPAND);
 203
 204     hsizer2->Add(vsizer, 1, wxSHAPED | wxALIGN_CENTER);
 205     hsizer2->AddLine(wxVERTICAL);
 206     hsizer2->AddButton( _T("six"), wxALIGN_RIGHT | wxALIGN_CENTER_VERTICAL);
 207
 208     topsizer->Add(hsizer2, 1, wxEXPAND);
 209     topsizer->AddLine(wxHORIZONTAL);
 210
 211     wxBoxSizer *hsizer3 = new wxBoxSizer( wxHORIZONTAL );
 212     hsizer3->AddButton( _T("seven"), wxALIGN_LEFT | wxALIGN_BOTTOM);
 213     hsizer3->AddLine(wxVERTICAL);
 214     hsizer3->AddButton( _T("eight"), wxALIGN_CENTER_HORIZONTAL | wxALIGN_BOTTOM);
 215     hsizer3->AddLine(wxVERTICAL);
 216     // wxEXPAND should have no effect
 217     hsizer3->AddButton( _T("nine"), wxEXPAND | wxALIGN_RIGHT | wxALIGN_BOTTOM);
 218
 219     topsizer->Add(hsizer3, 1, wxEXPAND);
 220
 221     // set frame to minimum size
 222     topsizer->Fit( this );
 223
 224     // don't allow frame to get smaller than what the sizers tell ye
 225     // topsizer->SetSizeHints( this );
 226
 227     SetSizer( topsizer );
 228 }
 229
 230
 231 // event handlers
 232
 233 void MyFrame::OnQuit(wxCommandEvent& WXUNUSED(event))
 234 {
 235     // true is to force the frame to close
 236     Close(true);
 237 }
 238
 239 void MyFrame::OnAbout(wxCommandEvent& WXUNUSED(event))
 240 {
 241     wxString msg;
 242     msg.Printf( _T("This is the about dialog of proportional sizer test.\n")
 243                 _T("Welcome to %s")
 244 #ifdef wxBETA_NUMBER
 245                _T(" (beta %d)!")
 246 #endif // wxBETA_NUMBER
 247                , wxVERSION_STRING
 248 #ifdef wxBETA_NUMBER
 249                , wxBETA_NUMBER
 250 #endif // wxBETA_NUMBER
 251               );
 252
 253     wxMessageBox(msg, _T("About Shaped Sizer"), wxOK | wxICON_INFORMATION, this);
 254 }