Minor changes, just trim trailing spaces in webview code.
[wxWidgets.git] / samples / splitter / splitter.cpp
index 7aaf1e43aac1163bdc5d6ec755e8077d49700fe1..438d2cb0da9fbb3730b3e2eb9b9edf648a831c3e 100644 (file)
@@ -6,7 +6,7 @@
 // Created:     04/01/98
 // RCS-ID:      $Id$
 // Copyright:   (c) Julian Smart
-// Licence:     wxWindows license
+// Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 
 // ============================================================================
 #include "wx/splitter.h"
 #include "wx/dcmirror.h"
 
+#ifndef wxHAS_IMAGES_IN_RESOURCES
+    #include "../sample.xpm"
+#endif
+
 // ----------------------------------------------------------------------------
 // constants
 // ----------------------------------------------------------------------------
@@ -56,7 +60,8 @@ enum
     SPLIT_SETPOSITION,
     SPLIT_SETMINSIZE,
     SPLIT_SETGRAVITY,
-    SPLIT_REPLACE
+    SPLIT_REPLACE,
+    SPLIT_INVISIBLE
 };
 
 // ----------------------------------------------------------------------------
@@ -70,7 +75,7 @@ public:
 
     virtual bool OnInit();
 
-    DECLARE_NO_COPY_CLASS(MyApp)
+    wxDECLARE_NO_COPY_CLASS(MyApp);
 };
 
 class MyFrame: public wxFrame
@@ -79,28 +84,31 @@ public:
     MyFrame();
     virtual ~MyFrame();
 
-    // Menu commands
-    void SplitHorizontal(wxCommandEvent& event);
-    void SplitVertical(wxCommandEvent& event);
-    void Unsplit(wxCommandEvent& event);
     void ToggleFlag(int flag, bool enable);
-    void ToggleLive(wxCommandEvent& event) 
+
+    // Menu commands
+    void OnSplitHorizontal(wxCommandEvent& event);
+    void OnSplitVertical(wxCommandEvent& event);
+    void OnUnsplit(wxCommandEvent& event);
+    void OnToggleLive(wxCommandEvent& event)
                   { ToggleFlag(wxSP_LIVE_UPDATE, event.IsChecked()); }
-    void ToggleBorder(wxCommandEvent& event) 
+    void OnToggleBorder(wxCommandEvent& event)
                   { ToggleFlag(wxSP_BORDER, event.IsChecked()); }
-    void Toggle3DSash(wxCommandEvent& event) 
+    void OnToggle3DSash(wxCommandEvent& event)
                   { ToggleFlag(wxSP_3DSASH, event.IsChecked()); }
-    void SetPosition(wxCommandEvent& event);
-    void SetMinSize(wxCommandEvent& event);
-    void SetGravity(wxCommandEvent& event);
-    void Replace(wxCommandEvent &event);
+    void OnSetPosition(wxCommandEvent& event);
+    void OnSetMinSize(wxCommandEvent& event);
+    void OnSetGravity(wxCommandEvent& event);
+    void OnReplace(wxCommandEvent &event);
+    void OnToggleInvisible(wxCommandEvent &event);
 
-    void Quit(wxCommandEvent& event);
+    void OnQuit(wxCommandEvent& event);
 
     // Menu command update functions
-    void UpdateUIHorizontal(wxUpdateUIEvent& event);
-    void UpdateUIVertical(wxUpdateUIEvent& event);
-    void UpdateUIUnsplit(wxUpdateUIEvent& event);
+    void OnUpdateUIHorizontal(wxUpdateUIEvent& event);
+    void OnUpdateUIVertical(wxUpdateUIEvent& event);
+    void OnUpdateUIUnsplit(wxUpdateUIEvent& event);
+    void OnUpdateUIInvisible(wxUpdateUIEvent& event);
 
 private:
     wxScrolledWindow *m_left, *m_right;
@@ -109,7 +117,7 @@ private:
     wxWindow *m_replacewindow;
 
     DECLARE_EVENT_TABLE()
-    DECLARE_NO_COPY_CLASS(MyFrame)
+    wxDECLARE_NO_COPY_CLASS(MyFrame);
 };
 
 class MySplitterWindow : public wxSplitterWindow
@@ -127,7 +135,7 @@ private:
     wxFrame *m_frame;
 
     DECLARE_EVENT_TABLE()
-    DECLARE_NO_COPY_CLASS(MySplitterWindow)
+    wxDECLARE_NO_COPY_CLASS(MySplitterWindow);
 };
 
 class MyCanvas: public wxScrolledWindow
@@ -141,7 +149,7 @@ public:
 private:
     bool m_mirror;
 
-    DECLARE_NO_COPY_CLASS(MyCanvas)
+    wxDECLARE_NO_COPY_CLASS(MyCanvas);
 };
 
 // ============================================================================
@@ -172,30 +180,34 @@ bool MyApp::OnInit()
 // ----------------------------------------------------------------------------
 
 BEGIN_EVENT_TABLE(MyFrame, wxFrame)
-    EVT_MENU(SPLIT_VERTICAL, MyFrame::SplitVertical)
-    EVT_MENU(SPLIT_HORIZONTAL, MyFrame::SplitHorizontal)
-    EVT_MENU(SPLIT_UNSPLIT, MyFrame::Unsplit)
-    EVT_MENU(SPLIT_LIVE, MyFrame::ToggleLive)
-    EVT_MENU(SPLIT_BORDER, MyFrame::ToggleBorder)
-    EVT_MENU(SPLIT_3DSASH, MyFrame::Toggle3DSash)
-    EVT_MENU(SPLIT_SETPOSITION, MyFrame::SetPosition)
-    EVT_MENU(SPLIT_SETMINSIZE, MyFrame::SetMinSize)
-    EVT_MENU(SPLIT_SETGRAVITY, MyFrame::SetGravity)
-    EVT_MENU(SPLIT_REPLACE, MyFrame::Replace)
-
-    EVT_MENU(SPLIT_QUIT, MyFrame::Quit)
-
-    EVT_UPDATE_UI(SPLIT_VERTICAL, MyFrame::UpdateUIVertical)
-    EVT_UPDATE_UI(SPLIT_HORIZONTAL, MyFrame::UpdateUIHorizontal)
-    EVT_UPDATE_UI(SPLIT_UNSPLIT, MyFrame::UpdateUIUnsplit)
+    EVT_MENU(SPLIT_VERTICAL, MyFrame::OnSplitVertical)
+    EVT_MENU(SPLIT_HORIZONTAL, MyFrame::OnSplitHorizontal)
+    EVT_MENU(SPLIT_UNSPLIT, MyFrame::OnUnsplit)
+    EVT_MENU(SPLIT_LIVE, MyFrame::OnToggleLive)
+    EVT_MENU(SPLIT_BORDER, MyFrame::OnToggleBorder)
+    EVT_MENU(SPLIT_3DSASH, MyFrame::OnToggle3DSash)
+    EVT_MENU(SPLIT_SETPOSITION, MyFrame::OnSetPosition)
+    EVT_MENU(SPLIT_SETMINSIZE, MyFrame::OnSetMinSize)
+    EVT_MENU(SPLIT_SETGRAVITY, MyFrame::OnSetGravity)
+    EVT_MENU(SPLIT_REPLACE, MyFrame::OnReplace)
+    EVT_MENU(SPLIT_INVISIBLE, MyFrame::OnToggleInvisible)
+
+    EVT_MENU(SPLIT_QUIT, MyFrame::OnQuit)
+
+    EVT_UPDATE_UI(SPLIT_VERTICAL, MyFrame::OnUpdateUIVertical)
+    EVT_UPDATE_UI(SPLIT_HORIZONTAL, MyFrame::OnUpdateUIHorizontal)
+    EVT_UPDATE_UI(SPLIT_UNSPLIT, MyFrame::OnUpdateUIUnsplit)
+    EVT_UPDATE_UI(SPLIT_INVISIBLE, MyFrame::OnUpdateUIInvisible)
 END_EVENT_TABLE()
 
 // My frame constructor
 MyFrame::MyFrame()
-       : wxFrame(NULL, wxID_ANY, _T("wxSplitterWindow sample"),
+       : wxFrame(NULL, wxID_ANY, wxT("wxSplitterWindow sample"),
                  wxDefaultPosition, wxSize(420, 300),
                  wxDEFAULT_FRAME_STYLE | wxNO_FULL_REPAINT_ON_RESIZE)
 {
+    SetIcon(wxICON(sample));
+
 #if wxUSE_STATUSBAR
     CreateStatusBar(2);
 #endif // wxUSE_STATUSBAR
@@ -203,53 +215,62 @@ MyFrame::MyFrame()
     // Make a menubar
     wxMenu *splitMenu = new wxMenu;
     splitMenu->Append(SPLIT_VERTICAL,
-                      _T("Split &Vertically\tCtrl-V"),
-                      _T("Split vertically"));
+                      wxT("Split &Vertically\tCtrl-V"),
+                      wxT("Split vertically"));
     splitMenu->Append(SPLIT_HORIZONTAL,
-                      _T("Split &Horizontally\tCtrl-H"),
-                      _T("Split horizontally"));
+                      wxT("Split &Horizontally\tCtrl-H"),
+                      wxT("Split horizontally"));
     splitMenu->Append(SPLIT_UNSPLIT,
-                      _T("&Unsplit\tCtrl-U"),
-                      _T("Unsplit"));
+                      wxT("&Unsplit\tCtrl-U"),
+                      wxT("Unsplit"));
+    splitMenu->AppendCheckItem(SPLIT_INVISIBLE,
+                      wxT("Toggle sash &invisibility\tCtrl-I"),
+                      wxT("Toggle sash invisibility"));
     splitMenu->AppendSeparator();
 
     splitMenu->AppendCheckItem(SPLIT_LIVE,
-                               _T("&Live update\tCtrl-L"),
-                               _T("Toggle live update mode"));
+                               wxT("&Live update\tCtrl-L"),
+                               wxT("Toggle live update mode"));
     splitMenu->AppendCheckItem(SPLIT_BORDER,
-                               _T("3D &Border"),
-                               _T("Toggle wxSP_BORDER flag"));
+                               wxT("3D &Border"),
+                               wxT("Toggle wxSP_BORDER flag"));
     splitMenu->Check(SPLIT_BORDER, true);
     splitMenu->AppendCheckItem(SPLIT_3DSASH,
-                               _T("&3D Sash"),
-                               _T("Toggle wxSP_3DSASH flag"));
+                               wxT("&3D Sash"),
+                               wxT("Toggle wxSP_3DSASH flag"));
     splitMenu->Check(SPLIT_3DSASH, true);
     splitMenu->Append(SPLIT_SETPOSITION,
-                      _T("Set splitter &position\tCtrl-P"),
-                      _T("Set the splitter position"));
+                      wxT("Set splitter &position\tCtrl-P"),
+                      wxT("Set the splitter position"));
     splitMenu->Append(SPLIT_SETMINSIZE,
-                      _T("Set &min size\tCtrl-M"),
-                      _T("Set minimum pane size"));
+                      wxT("Set &min size\tCtrl-M"),
+                      wxT("Set minimum pane size"));
     splitMenu->Append(SPLIT_SETGRAVITY,
-                      _T("Set &gravity\tCtrl-G"),
-                      _T("Set gravity of sash"));
+                      wxT("Set &gravity\tCtrl-G"),
+                      wxT("Set gravity of sash"));
     splitMenu->AppendSeparator();
 
     splitMenu->Append(SPLIT_REPLACE,
-                      _T("&Replace right window"),
-                      _T("Replace right window"));
+                      wxT("&Replace right window"),
+                      wxT("Replace right window"));
     splitMenu->AppendSeparator();
 
-    splitMenu->Append(SPLIT_QUIT, _T("E&xit\tAlt-X"), _T("Exit"));
+    splitMenu->Append(SPLIT_QUIT, wxT("E&xit\tAlt-X"), wxT("Exit"));
 
     wxMenuBar *menuBar = new wxMenuBar;
-    menuBar->Append(splitMenu, _T("&Splitter"));
+    menuBar->Append(splitMenu, wxT("&Splitter"));
 
     SetMenuBar(menuBar);
 
     menuBar->Check(SPLIT_LIVE, true);
     m_splitter = new MySplitterWindow(this);
-    
+
+    // If you use non-zero gravity you must initialize the splitter with its
+    // correct initial size, otherwise it will change the sash position by a
+    // huge amount when it's resized from its initial default size to its real
+    // size when the frame lays it out. This wouldn't be necessary if default
+    // zero gravity were used (although it would do no harm neither).
+    m_splitter->SetSize(GetClientSize());
     m_splitter->SetSashGravity(1.0);
 
 #if 1
@@ -262,8 +283,8 @@ MyFrame::MyFrame()
     m_right->SetBackgroundColour(*wxCYAN);
     m_right->SetScrollbars(20, 20, 5, 5);
 #else // for testing kbd navigation inside the splitter
-    m_left = new wxTextCtrl(m_splitter, wxID_ANY, _T("first text"));
-    m_right = new wxTextCtrl(m_splitter, wxID_ANY, _T("second text"));
+    m_left = new wxTextCtrl(m_splitter, wxID_ANY, wxT("first text"));
+    m_right = new wxTextCtrl(m_splitter, wxID_ANY, wxT("second text"));
 #endif
 
     // you can also do this to start with a single window
@@ -276,59 +297,60 @@ MyFrame::MyFrame()
 #endif
 
 #if wxUSE_STATUSBAR
-    SetStatusText(_T("Min pane size = 0"), 1);
+    SetStatusText(wxT("Min pane size = 0"), 1);
 #endif // wxUSE_STATUSBAR
 
-    m_replacewindow = (wxWindow *)0;
+    m_replacewindow = NULL;
 }
 
 MyFrame::~MyFrame()
 {
     if (m_replacewindow) {
         m_replacewindow->Destroy();
-        m_replacewindow = (wxWindow *)0;
     }
 }
 
 // menu command handlers
 
-void MyFrame::Quit(wxCommandEvent& WXUNUSED(event) )
+void MyFrame::OnQuit(wxCommandEvent& WXUNUSED(event) )
 {
     Close(true);
 }
 
-void MyFrame::SplitHorizontal(wxCommandEvent& WXUNUSED(event) )
+void MyFrame::OnSplitHorizontal(wxCommandEvent& WXUNUSED(event) )
 {
     if ( m_splitter->IsSplit() )
         m_splitter->Unsplit();
     m_left->Show(true);
     m_right->Show(true);
     m_splitter->SplitHorizontally( m_left, m_right );
+    m_replacewindow = NULL;
 
 #if wxUSE_STATUSBAR
-    SetStatusText(_T("Splitter split horizontally"), 1);
+    SetStatusText(wxT("Splitter split horizontally"), 1);
 #endif // wxUSE_STATUSBAR
 }
 
-void MyFrame::SplitVertical(wxCommandEvent& WXUNUSED(event) )
+void MyFrame::OnSplitVertical(wxCommandEvent& WXUNUSED(event) )
 {
     if ( m_splitter->IsSplit() )
         m_splitter->Unsplit();
     m_left->Show(true);
     m_right->Show(true);
     m_splitter->SplitVertically( m_left, m_right );
+    m_replacewindow = NULL;
 
 #if wxUSE_STATUSBAR
-    SetStatusText(_T("Splitter split vertically"), 1);
+    SetStatusText(wxT("Splitter split vertically"), 1);
 #endif // wxUSE_STATUSBAR
 }
 
-void MyFrame::Unsplit(wxCommandEvent& WXUNUSED(event) )
+void MyFrame::OnUnsplit(wxCommandEvent& WXUNUSED(event) )
 {
     if ( m_splitter->IsSplit() )
         m_splitter->Unsplit();
 #if wxUSE_STATUSBAR
-    SetStatusText(_T("No splitter"));
+    SetStatusText(wxT("No splitter"));
 #endif // wxUSE_STATUSBAR
 }
 
@@ -348,12 +370,12 @@ void MyFrame::ToggleFlag(int flag, bool enable)
     m_splitter->SetSashPosition(pos);
 }
 
-void MyFrame::SetPosition(wxCommandEvent& WXUNUSED(event) )
+void MyFrame::OnSetPosition(wxCommandEvent& WXUNUSED(event) )
 {
     wxString str;
     str.Printf( wxT("%d"), m_splitter->GetSashPosition());
 #if wxUSE_TEXTDLG
-    str = wxGetTextFromUser(_T("Enter splitter position:"), _T(""), str, this);
+    str = wxGetTextFromUser(wxT("Enter splitter position:"), wxT(""), str, this);
 #endif
     if ( str.empty() )
         return;
@@ -361,21 +383,21 @@ void MyFrame::SetPosition(wxCommandEvent& WXUNUSED(event) )
     long pos;
     if ( !str.ToLong(&pos) )
     {
-        wxLogError(_T("The splitter position should be an integer."));
+        wxLogError(wxT("The splitter position should be an integer."));
         return;
     }
 
     m_splitter->SetSashPosition(pos);
 
-    wxLogStatus(this, _T("Splitter position set to %ld"), pos);
+    wxLogStatus(this, wxT("Splitter position set to %ld"), pos);
 }
 
-void MyFrame::SetMinSize(wxCommandEvent& WXUNUSED(event) )
+void MyFrame::OnSetMinSize(wxCommandEvent& WXUNUSED(event) )
 {
     wxString str;
     str.Printf( wxT("%d"), m_splitter->GetMinimumPaneSize());
 #if wxUSE_TEXTDLG
-    str = wxGetTextFromUser(_T("Enter minimal size for panes:"), _T(""), str, this);
+    str = wxGetTextFromUser(wxT("Enter minimal size for panes:"), wxT(""), str, this);
 #endif
     if ( str.empty() )
         return;
@@ -387,12 +409,13 @@ void MyFrame::SetMinSize(wxCommandEvent& WXUNUSED(event) )
     SetStatusText(str, 1);
 #endif // wxUSE_STATUSBAR
 }
-void MyFrame::SetGravity(wxCommandEvent& WXUNUSED(event) )
+
+void MyFrame::OnSetGravity(wxCommandEvent& WXUNUSED(event) )
 {
     wxString str;
     str.Printf( wxT("%g"), m_splitter->GetSashGravity());
 #if wxUSE_TEXTDLG
-    str = wxGetTextFromUser(_T("Enter sash gravity (0,1):"), _T(""), str, this);
+    str = wxGetTextFromUser(wxT("Enter sash gravity (0,1):"), wxT(""), str, this);
 #endif
     if ( str.empty() )
         return;
@@ -405,38 +428,50 @@ void MyFrame::SetGravity(wxCommandEvent& WXUNUSED(event) )
 #endif // wxUSE_STATUSBAR
 }
 
-void MyFrame::Replace(wxCommandEvent& WXUNUSED(event) )
+void MyFrame::OnReplace(wxCommandEvent& WXUNUSED(event) )
 {
-    if (m_replacewindow == 0) {
+    if (m_replacewindow == NULL) {
         m_replacewindow = m_splitter->GetWindow2();
         m_splitter->ReplaceWindow(m_replacewindow, new wxPanel(m_splitter, wxID_ANY));
         m_replacewindow->Hide();
     } else {
         wxWindow *empty = m_splitter->GetWindow2();
+        wxASSERT(empty != m_replacewindow);
         m_splitter->ReplaceWindow(empty, m_replacewindow);
         m_replacewindow->Show();
-        m_replacewindow = 0;
+        m_replacewindow = NULL;
         empty->Destroy();
     }
 }
 
+void MyFrame::OnToggleInvisible(wxCommandEvent& WXUNUSED(event) )
+{
+    m_splitter->SetSashInvisible(!m_splitter->IsSashInvisible());
+    m_splitter->SizeWindows();
+}
+
 // Update UI handlers
 
-void MyFrame::UpdateUIHorizontal(wxUpdateUIEvent& event)
+void MyFrame::OnUpdateUIHorizontal(wxUpdateUIEvent& event)
 {
     event.Enable( (!m_splitter->IsSplit()) || (m_splitter->GetSplitMode() != wxSPLIT_HORIZONTAL) );
 }
 
-void MyFrame::UpdateUIVertical(wxUpdateUIEvent& event)
+void MyFrame::OnUpdateUIVertical(wxUpdateUIEvent& event)
 {
     event.Enable( ( (!m_splitter->IsSplit()) || (m_splitter->GetSplitMode() != wxSPLIT_VERTICAL) ) );
 }
 
-void MyFrame::UpdateUIUnsplit(wxUpdateUIEvent& event)
+void MyFrame::OnUpdateUIUnsplit(wxUpdateUIEvent& event)
 {
     event.Enable( m_splitter->IsSplit() );
 }
 
+void MyFrame::OnUpdateUIInvisible(wxUpdateUIEvent& event)
+{
+    event.Check( m_splitter->IsSashInvisible() );
+}
+
 // ----------------------------------------------------------------------------
 // MySplitterWindow
 // ----------------------------------------------------------------------------
@@ -461,7 +496,7 @@ MySplitterWindow::MySplitterWindow(wxFrame *parent)
 
 void MySplitterWindow::OnPositionChanged(wxSplitterEvent& event)
 {
-    wxLogStatus(m_frame, _T("Position has changed, now = %d (or %d)"),
+    wxLogStatus(m_frame, wxT("Position has changed, now = %d (or %d)"),
                 event.GetSashPosition(), GetSashPosition());
 
     event.Skip();
@@ -469,7 +504,7 @@ void MySplitterWindow::OnPositionChanged(wxSplitterEvent& event)
 
 void MySplitterWindow::OnPositionChanging(wxSplitterEvent& event)
 {
-    wxLogStatus(m_frame, _T("Position is changing, now = %d (or %d)"),
+    wxLogStatus(m_frame, wxT("Position is changing, now = %d (or %d)"),
                 event.GetSashPosition(), GetSashPosition());
 
     event.Skip();
@@ -478,7 +513,7 @@ void MySplitterWindow::OnPositionChanging(wxSplitterEvent& event)
 void MySplitterWindow::OnDClick(wxSplitterEvent& event)
 {
 #if wxUSE_STATUSBAR
-    m_frame->SetStatusText(_T("Splitter double clicked"), 1);
+    m_frame->SetStatusText(wxT("Splitter double clicked"), 1);
 #endif // wxUSE_STATUSBAR
 
     event.Skip();
@@ -487,7 +522,7 @@ void MySplitterWindow::OnDClick(wxSplitterEvent& event)
 void MySplitterWindow::OnUnsplitEvent(wxSplitterEvent& event)
 {
 #if wxUSE_STATUSBAR
-    m_frame->SetStatusText(_T("Splitter unsplit"), 1);
+    m_frame->SetStatusText(wxT("Splitter unsplit"), 1);
 #endif // wxUSE_STATUSBAR
 
     event.Skip();
@@ -512,7 +547,7 @@ void MyCanvas::OnDraw(wxDC& dcOrig)
     dc.DrawLine(0, 0, 100, 200);
 
     dc.SetBackgroundMode(wxBRUSHSTYLE_TRANSPARENT);
-    dc.DrawText(_T("Testing"), 50, 50);
+    dc.DrawText(wxT("Testing"), 50, 50);
 
     dc.SetPen(*wxRED_PEN);
     dc.SetBrush(*wxGREEN_BRUSH);