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   bool OnClose();
  66
  67   // Menu commands
  68   void SplitHorizontal(wxCommandEvent& event);
  69   void SplitVertical(wxCommandEvent& event);
  70   void Unsplit(wxCommandEvent& event);
  71   void SetMinSize(wxCommandEvent& event);
  72   void Quit(wxCommandEvent& event);
  73
  74   // Menu command update functions
  75   void UpdateUIHorizontal(wxUpdateUIEvent& event);
  76   void UpdateUIVertical(wxUpdateUIEvent& event);
  77   void UpdateUIUnsplit(wxUpdateUIEvent& event);
  78
  79 private:
  80   void UpdatePosition();
  81
  82   wxMenu*    fileMenu;
  83   wxMenuBar*  menuBar;
  84   MyCanvas*  m_leftCanvas;
  85   MyCanvas*  m_rightCanvas;
  86   MySplitterWindow* m_splitter;
  87
  88 DECLARE_EVENT_TABLE()
  89 };
  90
  91 class MyCanvas: public wxScrolledWindow
  92 {
  93 public:
  94         MyCanvas(wxWindow* parent, wxWindowID id, int x, int y, int w, int h);
  95         virtual ~MyCanvas();
  96
  97   virtual void OnDraw(wxDC& dc);
  98
  99 DECLARE_EVENT_TABLE()
 100 };
 101
 102 BEGIN_EVENT_TABLE(MyCanvas, wxScrolledWindow)
 103 END_EVENT_TABLE()
 104
 105 // ID for the menu commands
 106 enum
 107 {
 108   SPLIT_QUIT,
 109   SPLIT_HORIZONTAL,
 110   SPLIT_VERTICAL,
 111   SPLIT_UNSPLIT,
 112   SPLIT_SETMINSIZE
 113 };
 114
 115 // Window ids
 116 #define SPLITTER_WINDOW     100
 117 #define SPLITTER_FRAME      101
 118 #define CANVAS1             102
 119 #define CANVAS2             103
 120
 121 IMPLEMENT_APP(MyApp)
 122
 123 bool MyApp::OnInit(void)
 124 {
 125   MyFrame* frame = new MyFrame((wxFrame *) NULL, "wxSplitterWindow Example",
 126                                wxPoint(50, 50), wxSize(420, 300));
 127
 128   // Show the frame
 129   frame->Show(TRUE);
 130
 131   SetTopWindow(frame);
 132
 133   return TRUE;
 134 }
 135
 136 BEGIN_EVENT_TABLE(MyFrame, wxFrame)
 137   EVT_MENU(SPLIT_VERTICAL, MyFrame::SplitVertical)
 138   EVT_MENU(SPLIT_HORIZONTAL, MyFrame::SplitHorizontal)
 139   EVT_MENU(SPLIT_UNSPLIT, MyFrame::Unsplit)
 140   EVT_MENU(SPLIT_QUIT, MyFrame::Quit)
 141   EVT_MENU(SPLIT_SETMINSIZE, MyFrame::SetMinSize)
 142
 143   EVT_UPDATE_UI(SPLIT_VERTICAL, MyFrame::UpdateUIVertical)
 144   EVT_UPDATE_UI(SPLIT_HORIZONTAL, MyFrame::UpdateUIHorizontal)
 145   EVT_UPDATE_UI(SPLIT_UNSPLIT, MyFrame::UpdateUIUnsplit)
 146 END_EVENT_TABLE()
 147
 148 // My frame constructor
 149 MyFrame::MyFrame(wxFrame* frame, const wxString& title, const wxPoint& pos, const wxSize& size):
 150         wxFrame(frame, SPLITTER_FRAME, title, pos, size)
 151 {
 152   CreateStatusBar(2);
 153
 154   // Make a menubar
 155   fileMenu = new wxMenu;
 156   fileMenu->Append(SPLIT_VERTICAL, "Split &Vertically", "Split vertically");
 157   fileMenu->Append(SPLIT_HORIZONTAL, "Split &Horizontally", "Split horizontally");
 158   fileMenu->Append(SPLIT_UNSPLIT, "&Unsplit", "Unsplit");
 159   fileMenu->AppendSeparator();
 160   fileMenu->Append(SPLIT_SETMINSIZE, "Set &min size", "Set minimum pane size");
 161   fileMenu->AppendSeparator();
 162   fileMenu->Append(SPLIT_QUIT, "E&xit", "Exit");
 163
 164   menuBar = new wxMenuBar;
 165   menuBar->Append(fileMenu, "&File");
 166
 167   SetMenuBar(menuBar);
 168
 169   m_splitter = new MySplitterWindow(this, SPLITTER_WINDOW);
 170
 171   m_leftCanvas = new MyCanvas(m_splitter, CANVAS1, 0, 0, 400, 400);
 172   m_leftCanvas->SetBackgroundColour(*wxRED);
 173   m_leftCanvas->SetScrollbars(20, 20, 50, 50);
 174
 175   m_rightCanvas = new MyCanvas(m_splitter, CANVAS2, 0, 0, 400, 400);
 176   m_rightCanvas->SetBackgroundColour(*wxCYAN);
 177   m_rightCanvas->SetScrollbars(20, 20, 50, 50);
 178   m_rightCanvas->Show(FALSE);
 179
 180   m_splitter->Initialize(m_leftCanvas);
 181   SetStatusText("Min pane size = 0", 1);
 182 }
 183
 184 MyFrame::~MyFrame()
 185 {
 186 }
 187
 188 bool MyFrame::OnClose()
 189 {
 190   return TRUE;
 191 }
 192
 193 void MyFrame::Quit(wxCommandEvent& WXUNUSED(event) )
 194 {
 195   Close(TRUE);
 196 }
 197
 198 void MyFrame::SplitHorizontal(wxCommandEvent& WXUNUSED(event) )
 199 {
 200   if ( m_splitter->IsSplit() )
 201     m_splitter->Unsplit();
 202   m_leftCanvas->Show(TRUE);
 203   m_rightCanvas->Show(TRUE);
 204   m_splitter->SplitHorizontally( m_leftCanvas, m_rightCanvas );
 205   UpdatePosition();
 206 }
 207
 208 void MyFrame::SplitVertical(wxCommandEvent& WXUNUSED(event) )
 209 {
 210   if ( m_splitter->IsSplit() )
 211     m_splitter->Unsplit();
 212   m_leftCanvas->Show(TRUE);
 213   m_rightCanvas->Show(TRUE);
 214   m_splitter->SplitVertically( m_leftCanvas, m_rightCanvas );
 215   UpdatePosition();
 216 }
 217
 218 void MyFrame::Unsplit(wxCommandEvent& WXUNUSED(event) )
 219 {
 220   if ( m_splitter->IsSplit() )
 221     m_splitter->Unsplit();
 222   SetStatusText("No splitter");
 223 }
 224
 225 void MyFrame::SetMinSize(wxCommandEvent& WXUNUSED(event) )
 226 {
 227   wxString str;
 228   str.Printf("%d", m_splitter->GetMinimumPaneSize());
 229   str = wxGetTextFromUser("Enter minimal size for panes:", "", str, this);
 230   if ( str.IsEmpty() )
 231     return;
 232
 233   int minsize = atoi(str);
 234   m_splitter->SetMinimumPaneSize(minsize);
 235   str.Printf("Min pane size = %d", minsize);
 236   SetStatusText(str, 1);
 237 }
 238
 239 void MyFrame::UpdateUIHorizontal(wxUpdateUIEvent& event)
 240 {
 241   event.Enable( ( (!m_splitter->IsSplit()) || (m_splitter->GetSplitMode() != wxSPLIT_HORIZONTAL) ) );
 242 }
 243
 244 void MyFrame::UpdateUIVertical(wxUpdateUIEvent& event)
 245 {
 246   event.Enable( ( (!m_splitter->IsSplit()) || (m_splitter->GetSplitMode() != wxSPLIT_VERTICAL) ) );
 247 }
 248
 249 void MyFrame::UpdateUIUnsplit(wxUpdateUIEvent& event)
 250 {
 251   event.Enable( m_splitter->IsSplit() );
 252 }
 253
 254 void MyFrame::UpdatePosition()
 255 {
 256   wxString str;
 257   str.Printf("Sash position = %d", m_splitter->GetSashPosition());
 258   SetStatusText(str);
 259 }
 260
 261 MyCanvas::MyCanvas(wxWindow* parent, wxWindowID id, int x, int y, int w, int h) :
 262         wxScrolledWindow(parent, id, wxPoint(x, y), wxSize(w, h))
 263 {
 264 }
 265
 266 MyCanvas::~MyCanvas()
 267 {
 268 }
 269
 270 void MyCanvas::OnDraw(wxDC& dc)
 271 {
 272   dc.SetPen(*wxBLACK_PEN);
 273   dc.DrawLine(0, 0, 100, 100);
 274
 275   dc.SetBackgroundMode(wxTRANSPARENT);
 276   dc.DrawText("Testing", 50, 50);
 277
 278   dc.SetPen(*wxRED_PEN);
 279   dc.SetBrush(*wxGREEN_BRUSH);
 280   dc.DrawRectangle(120, 120, 100, 80);
 281 }