samples/splitter/test.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        m_splitter.cpp
   3 // Purpose:     wxSplitterWindow sample
   4 // Author:      Julian Smart
   5 // Modified by:
   6 // Created:     04/01/98
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) Julian Smart and Markus Holzem
   9 // Licence:     wxWindows license
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 // For compilers that support precompilation, includes "wx/wx.h".
  13 #include "wx/wxprec.h"
  14
  15 #ifdef __BORLANDC__
  16 #pragma hdrstop
  17 #endif
  18
  19 #ifndef WX_PRECOMP
  20 #include "wx/wx.h"
  21 #endif
  22
  23 #include "wx/splitter.h"
  24
  25 class MyApp;
  26 class MyFrame;
  27 class MyCanvas;
  28
  29 class MyApp: public wxApp
  30 {
  31 public:
  32   bool OnInit();
  33 };
  34
  35 class MySplitterWindow : public wxSplitterWindow
  36 {
  37 public:
  38   MySplitterWindow(wxFrame *parent, wxWindowID id) : wxSplitterWindow(parent, id)
  39   {
  40     m_frame = parent;
  41   }
  42
  43   virtual bool OnSashPositionChange(int newSashPosition)
  44   {
  45     if ( !wxSplitterWindow::OnSashPositionChange(newSashPosition) )
  46       return FALSE;
  47
  48     wxString str;
  49     str.Printf("Sash position = %d", newSashPosition);
  50     m_frame->SetStatusText(str);
  51
  52     return TRUE;
  53   }
  54
  55 private:
  56   wxFrame *m_frame;
  57 };
  58
  59 class MyFrame: public wxFrame
  60 {
  61 public:
  62   MyFrame(wxFrame* frame, const wxString& title, const wxPoint& pos, const wxSize& size);
  63   virtual ~MyFrame();
  64
  65   // Menu commands
  66   void SplitHorizontal(wxCommandEvent& event);
  67   void SplitVertical(wxCommandEvent& event);
  68   void Unsplit(wxCommandEvent& event);
  69   void SetMinSize(wxCommandEvent& event);
  70   void Quit(wxCommandEvent& event);
  71
  72   // Menu command update functions
  73   void UpdateUIHorizontal(wxUpdateUIEvent& event);
  74   void UpdateUIVertical(wxUpdateUIEvent& event);
  75   void UpdateUIUnsplit(wxUpdateUIEvent& event);
  76
  77 private:
  78   void UpdatePosition();
  79
  80   wxMenu*    fileMenu;
  81   wxMenuBar*  menuBar;
  82   MyCanvas*  m_leftCanvas;
  83   MyCanvas*  m_rightCanvas;
  84   MySplitterWindow* m_splitter;
  85
  86 DECLARE_EVENT_TABLE()
  87 };
  88
  89 class MyCanvas: public wxScrolledWindow
  90 {
  91 public:
  92         MyCanvas(wxWindow* parent, wxWindowID id, int x, int y, int w, int h);
  93         virtual ~MyCanvas();
  94
  95   virtual void OnDraw(wxDC& dc);
  96
  97 DECLARE_EVENT_TABLE()
  98 };
  99
 100 BEGIN_EVENT_TABLE(MyCanvas, wxScrolledWindow)
 101 END_EVENT_TABLE()
 102
 103 // ID for the menu commands
 104 enum
 105 {
 106   SPLIT_QUIT,
 107   SPLIT_HORIZONTAL,
 108   SPLIT_VERTICAL,
 109   SPLIT_UNSPLIT,
 110   SPLIT_SETMINSIZE
 111 };
 112
 113 // Window ids
 114 #define SPLITTER_WINDOW     100
 115 #define SPLITTER_FRAME      101
 116 #define CANVAS1             102
 117 #define CANVAS2             103
 118
 119 IMPLEMENT_APP(MyApp)
 120
 121 bool MyApp::OnInit(void)
 122 {
 123   MyFrame* frame = new MyFrame((wxFrame *) NULL, "wxSplitterWindow Example",
 124                                wxPoint(50, 50), wxSize(420, 300));
 125
 126   // Show the frame
 127   frame->Show(TRUE);
 128
 129   SetTopWindow(frame);
 130
 131   return TRUE;
 132 }
 133
 134 BEGIN_EVENT_TABLE(MyFrame, wxFrame)
 135   EVT_MENU(SPLIT_VERTICAL, MyFrame::SplitVertical)
 136   EVT_MENU(SPLIT_HORIZONTAL, MyFrame::SplitHorizontal)
 137   EVT_MENU(SPLIT_UNSPLIT, MyFrame::Unsplit)
 138   EVT_MENU(SPLIT_QUIT, MyFrame::Quit)
 139   EVT_MENU(SPLIT_SETMINSIZE, MyFrame::SetMinSize)
 140
 141   EVT_UPDATE_UI(SPLIT_VERTICAL, MyFrame::UpdateUIVertical)
 142   EVT_UPDATE_UI(SPLIT_HORIZONTAL, MyFrame::UpdateUIHorizontal)
 143   EVT_UPDATE_UI(SPLIT_UNSPLIT, MyFrame::UpdateUIUnsplit)
 144 END_EVENT_TABLE()
 145
 146 // My frame constructor
 147 MyFrame::MyFrame(wxFrame* frame, const wxString& title, const wxPoint& pos, const wxSize& size):
 148         wxFrame(frame, SPLITTER_FRAME, title, pos, size)
 149 {
 150   CreateStatusBar(2);
 151
 152   // Make a menubar
 153   fileMenu = new wxMenu;
 154   fileMenu->Append(SPLIT_VERTICAL, "Split &Vertically", "Split vertically");
 155   fileMenu->Append(SPLIT_HORIZONTAL, "Split &Horizontally", "Split horizontally");
 156   fileMenu->Append(SPLIT_UNSPLIT, "&Unsplit", "Unsplit");
 157   fileMenu->AppendSeparator();
 158   fileMenu->Append(SPLIT_SETMINSIZE, "Set &min size", "Set minimum pane size");
 159   fileMenu->AppendSeparator();
 160   fileMenu->Append(SPLIT_QUIT, "E&xit", "Exit");
 161
 162   menuBar = new wxMenuBar;
 163   menuBar->Append(fileMenu, "&File");
 164
 165   SetMenuBar(menuBar);
 166
 167   m_splitter = new MySplitterWindow(this, SPLITTER_WINDOW);
 168
 169   m_leftCanvas = new MyCanvas(m_splitter, CANVAS1, 0, 0, 400, 400);
 170   m_leftCanvas->SetBackgroundColour(*wxRED);
 171   m_leftCanvas->SetScrollbars(20, 20, 50, 50);
 172
 173   m_rightCanvas = new MyCanvas(m_splitter, CANVAS2, 0, 0, 400, 400);
 174   m_rightCanvas->SetBackgroundColour(*wxCYAN);
 175   m_rightCanvas->SetScrollbars(20, 20, 50, 50);
 176   m_rightCanvas->Show(FALSE);
 177
 178   m_splitter->Initialize(m_leftCanvas);
 179   SetStatusText("Min pane size = 0", 1);
 180 }
 181
 182 MyFrame::~MyFrame()
 183 {
 184 }
 185
 186 void MyFrame::Quit(wxCommandEvent& WXUNUSED(event) )
 187 {
 188   Close(TRUE);
 189 }
 190
 191 void MyFrame::SplitHorizontal(wxCommandEvent& WXUNUSED(event) )
 192 {
 193   if ( m_splitter->IsSplit() )
 194     m_splitter->Unsplit();
 195   m_leftCanvas->Show(TRUE);
 196   m_rightCanvas->Show(TRUE);
 197   m_splitter->SplitHorizontally( m_leftCanvas, m_rightCanvas );
 198   UpdatePosition();
 199 }
 200
 201 void MyFrame::SplitVertical(wxCommandEvent& WXUNUSED(event) )
 202 {
 203   if ( m_splitter->IsSplit() )
 204     m_splitter->Unsplit();
 205   m_leftCanvas->Show(TRUE);
 206   m_rightCanvas->Show(TRUE);
 207   m_splitter->SplitVertically( m_leftCanvas, m_rightCanvas );
 208   UpdatePosition();
 209 }
 210
 211 void MyFrame::Unsplit(wxCommandEvent& WXUNUSED(event) )
 212 {
 213   if ( m_splitter->IsSplit() )
 214     m_splitter->Unsplit();
 215   SetStatusText("No splitter");
 216 }
 217
 218 void MyFrame::SetMinSize(wxCommandEvent& WXUNUSED(event) )
 219 {
 220   wxString str;
 221   str.Printf("%d", m_splitter->GetMinimumPaneSize());
 222   str = wxGetTextFromUser("Enter minimal size for panes:", "", str, this);
 223   if ( str.IsEmpty() )
 224     return;
 225
 226   int minsize = atoi(str);
 227   m_splitter->SetMinimumPaneSize(minsize);
 228   str.Printf("Min pane size = %d", minsize);
 229   SetStatusText(str, 1);
 230 }
 231
 232 void MyFrame::UpdateUIHorizontal(wxUpdateUIEvent& event)
 233 {
 234   event.Enable( ( (!m_splitter->IsSplit()) || (m_splitter->GetSplitMode() != wxSPLIT_HORIZONTAL) ) );
 235 }
 236
 237 void MyFrame::UpdateUIVertical(wxUpdateUIEvent& event)
 238 {
 239   event.Enable( ( (!m_splitter->IsSplit()) || (m_splitter->GetSplitMode() != wxSPLIT_VERTICAL) ) );
 240 }
 241
 242 void MyFrame::UpdateUIUnsplit(wxUpdateUIEvent& event)
 243 {
 244   event.Enable( m_splitter->IsSplit() );
 245 }
 246
 247 void MyFrame::UpdatePosition()
 248 {
 249   wxString str;
 250   str.Printf("Sash position = %d", m_splitter->GetSashPosition());
 251   SetStatusText(str);
 252 }
 253
 254 MyCanvas::MyCanvas(wxWindow* parent, wxWindowID id, int x, int y, int w, int h) :
 255         wxScrolledWindow(parent, id, wxPoint(x, y), wxSize(w, h))
 256 {
 257 }
 258
 259 MyCanvas::~MyCanvas()
 260 {
 261 }
 262
 263 void MyCanvas::OnDraw(wxDC& dc)
 264 {
 265   dc.SetPen(*wxBLACK_PEN);
 266   dc.DrawLine(0, 0, 100, 100);
 267
 268   dc.SetBackgroundMode(wxTRANSPARENT);
 269   dc.DrawText("Testing", 50, 50);
 270
 271   dc.SetPen(*wxRED_PEN);
 272   dc.SetBrush(*wxGREEN_BRUSH);
 273   dc.DrawRectangle(120, 120, 100, 80);
 274 }