1. Harm's patch for AppendText()

2. Kbd processing seems to work (dlg navigation keys, wxTE_PROCESS_TAB &c)
3. controls sample updated to use AppendText() and test kbd navigation


git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@1571 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/msw/textctrl.h

@@ -123,6 +123,7 @@ public:
   virtual bool LoadFile(const wxString& file);
   virtual bool SaveFile(const wxString& file);
   virtual void WriteText(const wxString& text);
+  virtual void AppendText(const wxString& text);
   virtual void DiscardEdits();
   virtual bool IsModified() const;
 

samples/controls/controls.cpp

@@ -63,7 +63,7 @@ public:
                const wxPoint &pos, const wxSize &size, int style = 0)
         : wxTextCtrl(parent, id, value, pos, size, style) { }
 
-    void OnChar(wxKeyEvent& event);
+    void OnKeyDown(wxKeyEvent& event);
 
 private:
     DECLARE_EVENT_TABLE()
@@ -125,6 +125,7 @@ class MyFrame: public wxFrame
     void OnQuit(wxCommandEvent& event);
     void OnAbout(wxCommandEvent& event);
     void OnIdle( wxIdleEvent& event );
+    void OnSize( wxSizeEvent& event );
 
   DECLARE_EVENT_TABLE()
 };
@@ -176,10 +177,10 @@ bool MyApp::OnInit(void)
 //----------------------------------------------------------------------
 
 BEGIN_EVENT_TABLE(MyTextCtrl, wxTextCtrl)
-    EVT_CHAR(MyTextCtrl::OnChar)
+    EVT_KEY_DOWN(MyTextCtrl::OnKeyDown)
 END_EVENT_TABLE()
 
-void MyTextCtrl::OnChar(wxKeyEvent& event)
+void MyTextCtrl::OnKeyDown(wxKeyEvent& event)
 {
     switch ( event.KeyCode() )
     {
@@ -314,7 +315,8 @@ BEGIN_EVENT_TABLE(MyPanel, wxPanel)
   EVT_BUTTON    (ID_MOVE_END_ENTRY,       MyPanel::OnMoveToEndOfEntry)
 END_EVENT_TABLE()
 
-MyPanel::MyPanel( wxFrame *frame, int x, int y, int w, int h ) :
+MyPanel::MyPanel( wxFrame *frame, int x, int y, int w, int h )
+       : m_notebook(NULL), m_text(NULL),
          wxPanel( frame, -1, wxPoint(x, y), wxSize(w, h) )
 {
 //  SetBackgroundColour("cadet blue");
@@ -432,7 +434,10 @@ MyPanel::MyPanel( wxFrame *frame, int x, int y, int w, int h ) :
   panel = new wxPanel(m_notebook);
   m_textentry = new MyTextCtrl( panel, -1, "Write text here.", wxPoint(10,10), wxSize(320,28),
                                 wxTE_PROCESS_ENTER);
-  (*m_textentry) << " More text.";
+  (*m_textentry) << " More text.";          // this text is appended
+  m_textentry->SetInsertionPoint(0);
+  m_textentry->WriteText("Less text.");     // this text is prepended
+
   m_multitext = new MyTextCtrl( panel, ID_TEXT, "And here.", wxPoint(10,50), wxSize(320,70),
                                 wxTE_MULTILINE );
   (*m_multitext) << " More text.\nPress function keys to test different \nwxTextCtrl functions.";
@@ -608,16 +613,16 @@ void MyPanel::OnPageChanged( wxNotebookEvent &event )
 
 void MyPanel::OnListBox( wxCommandEvent &event )
 {
-  m_text->WriteText( "ListBox selection string is: " );
+  m_text->AppendText( "ListBox selection string is: " );
-  m_text->WriteText( event.GetString() );
+  m_text->AppendText( event.GetString() );
-  m_text->WriteText( "\n" );
+  m_text->AppendText( "\n" );
 }
 
 void MyPanel::OnListBoxDoubleClick( wxCommandEvent &event )
 {
-  m_text->WriteText( "ListBox double click string is: " );
+  m_text->AppendText( "ListBox double click string is: " );
-  m_text->WriteText( event.GetString() );
+  m_text->AppendText( event.GetString() );
-  m_text->WriteText( "\n" );
+  m_text->AppendText( "\n" );
 }
 
 void MyPanel::OnListBoxButtons( wxCommandEvent &event )
@@ -626,7 +631,7 @@ void MyPanel::OnListBoxButtons( wxCommandEvent &event )
   {
     case ID_LISTBOX_ENABLE:
     {
-      m_text->WriteText("Checkbox clicked.\n");
+      m_text->AppendText("Checkbox clicked.\n");
       wxCheckBox *cb = (wxCheckBox*)event.GetEventObject();
       if (event.GetInt())
         cb->SetToolTip( "Click to enable listbox" );
@@ -672,9 +677,9 @@ void MyPanel::OnListBoxButtons( wxCommandEvent &event )
 
 void MyPanel::OnChoice( wxCommandEvent &event )
 {
-  m_text->WriteText( "Choice selection string is: " );
+  m_text->AppendText( "Choice selection string is: " );
-  m_text->WriteText( event.GetString() );
+  m_text->AppendText( event.GetString() );
-  m_text->WriteText( "\n" );
+  m_text->AppendText( "\n" );
 }
 
 void MyPanel::OnChoiceButtons( wxCommandEvent &event )
@@ -722,9 +727,9 @@ void MyPanel::OnChoiceButtons( wxCommandEvent &event )
 
 void MyPanel::OnCombo( wxCommandEvent &event )
 {
-  m_text->WriteText( "ComboBox selection string is: " );
+  m_text->AppendText( "ComboBox selection string is: " );
-  m_text->WriteText( event.GetString() );
+  m_text->AppendText( event.GetString() );
-  m_text->WriteText( "\n" );
+  m_text->AppendText( "\n" );
 }
 
 void MyPanel::OnComboButtons( wxCommandEvent &event )
@@ -772,9 +777,9 @@ void MyPanel::OnComboButtons( wxCommandEvent &event )
 
 void MyPanel::OnRadio( wxCommandEvent &event )
 {
-  m_text->WriteText( "RadioBox selection string is: " );
+  m_text->AppendText( "RadioBox selection string is: " );
-  m_text->WriteText( event.GetString() );
+  m_text->AppendText( event.GetString() );
-  m_text->WriteText( "\n" );
+  m_text->AppendText( "\n" );
 }
 
 void MyPanel::OnRadioButtons( wxCommandEvent &event )
@@ -834,13 +839,14 @@ MyPanel::~MyPanel()
 BEGIN_EVENT_TABLE(MyFrame, wxFrame)
     EVT_MENU(MINIMAL_QUIT,   MyFrame::OnQuit)
     EVT_MENU(MINIMAL_ABOUT,  MyFrame::OnAbout)
+    EVT_SIZE(MyFrame::OnSize)
     EVT_IDLE(MyFrame::OnIdle)
 END_EVENT_TABLE()
 
 MyFrame::MyFrame(wxFrame *frame, char *title, int x, int y, int w, int h)
        : wxFrame(frame, -1, title, wxPoint(x, y), wxSize(w, h))
 {
-    CreateStatusBar();
+    CreateStatusBar(2);
 
     (void)new MyPanel( this, 10, 10, 300, 100 );
 }
@@ -856,6 +862,15 @@ void MyFrame::OnAbout( wxCommandEvent& WXUNUSED(event) )
   dialog.ShowModal();
 }
 
+void MyFrame::OnSize( wxSizeEvent& event )
+{
+    wxString msg;
+    msg.Printf("%dx%d", event.GetSize().x, event.GetSize().y);
+    SetStatusText(msg, 1);
+
+    event.Skip();
+}
+
 void MyFrame::OnIdle( wxIdleEvent& WXUNUSED(event) )
 {
     // track the window which has the focus in the status bar

src/msw/textctrl.cpp

@@ -125,6 +125,9 @@ bool wxTextCtrl::Create(wxWindow *parent, wxWindowID id,
   long msStyle = ES_LEFT | WS_VISIBLE | WS_CHILD | WS_TABSTOP;
   if (m_windowStyle & wxTE_MULTILINE)
   {
+    wxASSERT_MSG( !(m_windowStyle & wxTE_PROCESS_ENTER),
+                  "wxTE_PROCESS_ENTER style is ignored for multiline controls" );
+
     msStyle |= ES_MULTILINE | ES_WANTRETURN | WS_VSCROLL ; // WS_BORDER
     m_windowStyle |= wxTE_PROCESS_ENTER;
   }
@@ -630,9 +633,14 @@ void wxTextCtrl::WriteText(const wxString& text)
     delete[] newtext;
 }
 
+void wxTextCtrl::AppendText(const wxString& text)
+{
+    SetInsertionPointEnd();
+    WriteText(text);
+}
+
 void wxTextCtrl::Clear()
 {
-//    SendMessage((HWND) GetHWND(), WM_SETTEXT, 0, (LPARAM)"");
     SetWindowText((HWND) GetHWND(), "");
 }
 
@@ -809,7 +817,7 @@ int wxTextCtrl::overflow(int c)
   txt[plen] = (char)c;     // append c
   txt[plen+xtra] = '\0';   // append '\0' or overwrite c
     // If the put area already contained \0, output will be truncated there
-  WriteText(txt);
+  AppendText(txt);
     delete[] txt;
   }
 
@@ -874,7 +882,7 @@ int wxTextCtrl::underflow()
 
 wxTextCtrl& wxTextCtrl::operator<<(const wxString& s)
 {
-  WriteText(s);
+    AppendText(s);
     return *this;
 }
 
@@ -882,7 +890,7 @@ wxTextCtrl& wxTextCtrl::operator<<(float f)
 {
     wxString str;
     str.Printf("%.2f", f);
-    WriteText(str);
+    AppendText(str);
     return *this;
 }
 
@@ -890,7 +898,7 @@ wxTextCtrl& wxTextCtrl::operator<<(double d)
 {
     wxString str;
     str.Printf("%.2f", d);
-    WriteText(str);
+    AppendText(str);
     return *this;
 }
 
@@ -898,7 +906,7 @@ wxTextCtrl& wxTextCtrl::operator<<(int i)
 {
     wxString str;
     str.Printf("%d", i);
-    WriteText(str);
+    AppendText(str);
     return *this;
 }
 
@@ -906,7 +914,7 @@ wxTextCtrl& wxTextCtrl::operator<<(long i)
 {
     wxString str;
     str.Printf("%ld", i);
-    WriteText(str);
+    AppendText(str);
     return *this;
 }
 
@@ -916,7 +924,7 @@ wxTextCtrl& wxTextCtrl::operator<<(const char c)
 
     buf[0] = c;
     buf[1] = 0;
-    WriteText(buf);
+    AppendText(buf);
     return *this;
 }
 
@@ -969,23 +977,32 @@ void wxTextCtrl::OnChar(wxKeyEvent& event)
         case WXK_RETURN:
             wxASSERT_MSG( m_windowStyle & wxTE_PROCESS_ENTER,
                           "this text ctrl should never receive return" );
+            if ( m_windowStyle & wxTE_MULTILINE == 0 )
             {
                 wxCommandEvent event(wxEVT_COMMAND_TEXT_ENTER, m_windowId);
                 event.SetEventObject( this );
                 if ( GetEventHandler()->ProcessEvent(event) )
                     return;
             }
+            //else: multiline controls need Enter for themselves
+
+            break;
 
         case WXK_TAB:
-            // only produce navigation event if we don't process TAB ourself
+            // only produce navigation event if we don't process TAB ourself or
-            if ( !(m_windowStyle & wxTE_PROCESS_TAB) )
+            // if it's a Shift-Tab keypress (we assume nobody will ever need
+            // this key combo for himself)
+            //
+            // NB: Notice that Ctrl-Tab is handled elsewhere and Alt-Tab is
+            //     handled by Windows
+            if ( event.ShiftDown() || !(m_windowStyle & wxTE_PROCESS_TAB) )
             {
-                wxNavigationKeyEvent event;
+                wxNavigationKeyEvent eventNav;
-                event.SetDirection(!(::GetKeyState(VK_SHIFT) & 0x100));
+                eventNav.SetDirection(!event.ShiftDown());
-                event.SetWindowChange(FALSE);
+                eventNav.SetWindowChange(FALSE);
-                event.SetEventObject(this);
+                eventNav.SetEventObject(this);
     
-                if ( GetEventHandler()->ProcessEvent(event) )
+                if ( GetEventHandler()->ProcessEvent(eventNav) )
                     return;
             }
     }

src/msw/window.cpp

@@ -1201,7 +1201,6 @@ long wxWindow::MSWWindowProc(WXUINT message, WXWPARAM wParam, WXLPARAM lParam)
             break;
         }
 
-#if 0
     case WM_KEYDOWN:
     {
         MSWOnKeyDown((WORD) wParam, lParam);
@@ -1224,7 +1223,6 @@ long wxWindow::MSWWindowProc(WXUINT message, WXWPARAM wParam, WXLPARAM lParam)
             return Default();
         break;
     }
-#endif
 
     case WM_KEYUP:
     {
@@ -1933,7 +1931,7 @@ bool wxWindow::MSWProcessMessage(WXMSG* pMsg)
         bool bCtrlDown = (::GetKeyState(VK_CONTROL) & 0x100) != 0;
 
         // WM_GETDLGCODE: if the control wants it for itself, don't process it
-        // (except for Ctrl-Tab combination which is always processed)
+        // (except for Ctrl-Tab/Enter combinations which are always processed)
         LONG lDlgCode = 0;
         if ( bProcess && !bCtrlDown ) {
             lDlgCode = ::SendMessage(msg->hwnd, WM_GETDLGCODE, 0, 0);
@@ -1973,11 +1971,20 @@ bool wxWindow::MSWProcessMessage(WXMSG* pMsg)
                     if ( !GetDefaultItem() ) {
                         // but if there is not it makes sense to make it work
                         // like a TAB
-
+                        if ( bCtrlDown || (lDlgCode & DLGC_WANTMESSAGE == 0) )
+                        {
                             // nothing to do - all variables are already set
 
                             break;
                         }
+                        else
+                        {
+                            // control wants to process Enter itself, don't
+                            // call IsDialogMessage() which would interpret
+                            // it
+                            return FALSE;
+                        }
+                    }
                     //else: fall through and don't process the message
 
                 default: