extracted wxWrapSizer in separate files and somewhat improved it (heavily modified patch 1876663)

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@53500 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

samples/wrapsizer/wrapsizer.cpp

@@ -0,0 +1,135 @@
+/////////////////////////////////////////////////////////////////////////////
+// Name:        wrapsizer.cpp
+// Purpose:     wxWidgets sample demonstrating wxWrapSizer use
+// Author:      Arne Steinarson
+// Created:     21.01.2008
+// RCS-ID:      $Id:$
+// Copyright:   (c) Arne Steinarson
+// Licence:     wxWindows licence
+/////////////////////////////////////////////////////////////////////////////
+
+#include "wx/wxprec.h"
+
+#ifdef __BORLANDC__
+    #pragma hdrstop
+#endif
+#ifndef WX_PRECOMP
+    #include "wx/wx.h"
+#endif
+
+#include "wx/log.h"
+#include "wx/wrapsizer.h"
+#include "wx/artprov.h"
+
+class WrapSizerFrame : public wxFrame
+{
+public:
+    WrapSizerFrame()
+        : wxFrame(NULL, wxID_ANY, "wxWrapSizer Sample")
+    {
+        // Root sizer, vertical
+        wxSizer * const sizerRoot = new wxBoxSizer(wxVERTICAL);
+
+        // Some toolbars in a wrap sizer
+        wxSizer * const sizerTop = new wxWrapSizer( wxHORIZONTAL );
+        sizerTop->Add(MakeToolBar());
+        sizerTop->Add(20, 1);
+        sizerTop->Add(MakeToolBar());
+        sizerTop->Add(20, 1);
+        sizerTop->Add(MakeToolBar());
+        sizerRoot->Add(sizerTop, wxSizerFlags().Expand().Border());
+
+        // A number of checkboxes inside a wrap sizer
+        wxSizer *sizerMid = new wxStaticBoxSizer(wxVERTICAL, this,
+                                                 "With check-boxes");
+        wxSizer * const sizerMidWrap = new wxWrapSizer(wxHORIZONTAL);
+        for ( int nCheck = 0; nCheck < 6; nCheck++ )
+        {
+            wxCheckBox *chk = new wxCheckBox
+                                  (
+                                    this,
+                                    wxID_ANY,
+                                    wxString::Format("Option %d", nCheck)
+                                  );
+
+            sizerMidWrap->Add(chk, wxSizerFlags().Centre().Border());
+        }
+
+        sizerMid->Add(sizerMidWrap, wxSizerFlags(100).Expand());
+        sizerRoot->Add(sizerMid, wxSizerFlags(100).Expand().Border());
+
+
+        // A shaped item inside a box sizer
+        wxSizer *sizerBottom = new wxStaticBoxSizer(wxVERTICAL, this,
+                                                    "With wxSHAPED item");
+        wxSizer *sizerBottomBox = new wxBoxSizer(wxHORIZONTAL);
+        sizerBottom->Add(sizerBottomBox, wxSizerFlags(100).Expand());
+
+        sizerBottomBox->Add(new wxListBox(this, wxID_ANY,
+                                          wxPoint(0, 0), wxSize(70, 70)),
+                            wxSizerFlags().Expand().Shaped());
+        sizerBottomBox->AddSpacer(10);
+        sizerBottomBox->Add(new wxCheckBox(this, wxID_ANY,
+                                           "A much longer option..."),
+                            wxSizerFlags(100).Border());
+        sizerRoot->Add(sizerBottom, wxSizerFlags(100).Expand().Border());
+
+        // OK Button
+        sizerRoot->Add(new wxButton(this, wxID_OK),
+                       wxSizerFlags().Centre().DoubleBorder());
+        Connect(wxID_OK, wxEVT_COMMAND_BUTTON_CLICKED,
+                    wxCommandEventHandler(WrapSizerFrame::OnButton));
+
+        // Set sizer for window
+        SetSizerAndFit(sizerRoot);
+
+        Show();
+    }
+
+private:
+    void OnButton(wxCommandEvent& WXUNUSED(event))
+    {
+        Close();
+    }
+
+    void AddToolBarButton(wxToolBar *tb,
+                          const wxString& label,
+                          const wxString& artid)
+    {
+        wxBitmap
+            bm = wxArtProvider::GetBitmap(artid, wxART_TOOLBAR, wxSize(16, 16));
+        tb->AddTool(wxID_ANY, label, bm);
+    }
+
+    wxToolBar *MakeToolBar()
+    {
+        wxToolBar *tb = new wxToolBar(this, wxID_ANY,
+                                      wxDefaultPosition, wxDefaultSize,
+                                      wxTB_NODIVIDER);
+        AddToolBarButton(tb, "Help", wxART_HELP_BOOK);
+        tb->AddSeparator( );
+        AddToolBarButton(tb, "Open", wxART_FILE_OPEN);
+        tb->AddSeparator( );
+        AddToolBarButton(tb, "Up", wxART_GO_DIR_UP);
+        AddToolBarButton(tb, "Execute", wxART_EXECUTABLE_FILE);
+
+        tb->Realize( );
+        return tb;
+    }
+
+};
+
+
+class WrapSizerApp : public wxApp
+{
+public:
+    WrapSizerApp() {}
+
+    virtual bool OnInit()
+    {
+        new WrapSizerFrame;
+        return true;
+    }
+};
+
+IMPLEMENT_APP(WrapSizerApp);