]> git.saurik.com Git - wxWidgets.git/blobdiff - samples/text/text.cpp
don't generate an endless stream of asserts for the 0-sized images
[wxWidgets.git] / samples / text / text.cpp
index 081fac55823c94745cff191207589d2c2a89fce0..30a3dc55dff3e0137965d054bb20f682df64329b 100644 (file)
@@ -79,6 +79,7 @@ public:
     static bool ms_logKey;
     static bool ms_logChar;
     static bool ms_logMouse;
+    static bool ms_logText;
 
 private:
     static inline wxChar GetChar(bool on, wxChar c) { return on ? c : _T('-'); }
@@ -99,6 +100,7 @@ public:
     void DoCopyToClipboard();
 #endif // wxUSE_CLIPBOARD
 
+    void DoRemoveText();
     void DoMoveToEndOfText();
     void DoMoveToEndOfEntry();
 
@@ -119,6 +121,10 @@ public:
     wxTextCtrl    *m_log;
 
 private:
+    // get the currently focused text control or return the default one is no
+    // text ctrl has focus
+    wxTextCtrl *GetFocusedText(wxTextCtrl *textDef);
+
     DECLARE_EVENT_TABLE()
 };
 
@@ -145,6 +151,8 @@ public:
         { DoAddText(true); }
     void OnAddText( wxCommandEvent& event )
         { DoAddText(false); }
+    void OnRemoveText( wxCommandEvent& event )
+        { m_panel->DoRemoveText(); }
 
     void OnMoveToEndOfText( wxCommandEvent &event )
         { m_panel->DoMoveToEndOfText(); }
@@ -197,6 +205,16 @@ public:
         MyTextCtrl::ms_logMouse = event.IsChecked();
     }
 
+    void OnLogText(wxCommandEvent& event)
+    {
+        MyTextCtrl::ms_logText = event.IsChecked();
+    }
+
+    void OnSetText(wxCommandEvent& event)
+    {
+        m_panel->m_text->SetValue(_T("Hello, world (what else did you expect)?"));
+    }
+
     void OnIdle( wxIdleEvent& event );
 
 private:
@@ -207,7 +225,7 @@ private:
             text->Freeze();
 
         for ( int i = 0; i < 100; i++ )
-            text->AppendText(wxString::Format("Line %i\n", i));
+            text->AppendText(wxString::Format(wxT("Line %i\n"), i));
 
         text->SetInsertionPoint(0);
 
@@ -257,11 +275,14 @@ enum
     TEXT_LINE_UP,
     TEXT_PAGE_DOWN,
     TEXT_PAGE_UP,
+    TEXT_REMOVE,
+    TEXT_SET,
 
     // log menu
     TEXT_LOG_KEY,
     TEXT_LOG_CHAR,
     TEXT_LOG_MOUSE,
+    TEXT_LOG_TEXT,
 
     TEXT_END
 };
@@ -308,6 +329,9 @@ bool MyApp::OnInit()
     wxMenu *menuText = new wxMenu;
     menuText->Append(TEXT_ADD_SOME, "&Append some text\tCtrl-A");
     menuText->Append(TEXT_ADD_FREEZE, "&Append text with freeze/thaw\tShift-Ctrl-A");
+    menuText->Append(TEXT_REMOVE, "&Remove first 10 characters\tCtrl-X");
+    menuText->Append(TEXT_SET, "&Set the first text zone value\tCtrl-E");
+    menuText->AppendSeparator();
     menuText->Append(TEXT_MOVE_ENDTEXT, "Move cursor to the end of &text");
     menuText->Append(TEXT_MOVE_ENDENTRY, "Move cursor to the end of &entry");
     menuText->Append(TEXT_SET_EDITABLE, "Toggle &editable state", "", TRUE);
@@ -325,12 +349,13 @@ bool MyApp::OnInit()
     menuLog->Append(TEXT_LOG_KEY, "Log &key events", "", TRUE);
     menuLog->Append(TEXT_LOG_CHAR, "Log &char events", "", TRUE);
     menuLog->Append(TEXT_LOG_MOUSE, "Log &mouse events", "", TRUE);
+    menuLog->Append(TEXT_LOG_TEXT, "Log &text events", "", TRUE);
     menuLog->AppendSeparator();
     menuLog->Append(TEXT_CLEAR, "&Clear the log\tCtrl-C",
                     "Clear the log window contents");
     menuLog->Check(TEXT_LOG_KEY, TRUE);
     menuLog->Check(TEXT_LOG_CHAR, TRUE);
-    menuLog->Check(TEXT_LOG_MOUSE, TRUE);
+    menuLog->Check(TEXT_LOG_TEXT, TRUE);
     menu_bar->Append(menuLog, "&Log");
 
     frame->SetMenuBar(menu_bar);
@@ -361,7 +386,8 @@ END_EVENT_TABLE()
 
 bool MyTextCtrl::ms_logKey = TRUE;
 bool MyTextCtrl::ms_logChar = TRUE;
-bool MyTextCtrl::ms_logMouse = TRUE;
+bool MyTextCtrl::ms_logMouse = FALSE;
+bool MyTextCtrl::ms_logText = TRUE;
 
 void MyTextCtrl::LogEvent(const wxChar *name, wxKeyEvent& event) const
 {
@@ -475,9 +501,11 @@ void MyTextCtrl::LogEvent(const wxChar *name, wxKeyEvent& event) const
             default:
             {
                if ( wxIsprint((int)keycode) )
-                   key.Printf( _T("'%c'") , (char)keycode);
+                   key.Printf(_T("'%c'"), (char)keycode);
+               else if ( keycode > 0 && keycode < 27 )
+                   key.Printf(_("Ctrl-%c"), _T('A') + keycode - 1);
                else
-                   key.Printf( _T("unknown (%ld)"), keycode);
+                   key.Printf(_T("unknown (%ld)"), keycode);
             }
         }
     }
@@ -529,7 +557,7 @@ void MyTextCtrl::OnMouseEvent(wxMouseEvent& ev)
 {
     ev.Skip();
 
-    if ( !MyTextCtrl::ms_logMouse )
+    if ( !ms_logMouse )
         return;
 
     if ( !ev.Moving() )
@@ -565,6 +593,9 @@ void MyTextCtrl::OnMouseEvent(wxMouseEvent& ev)
 
 void MyTextCtrl::OnText(wxCommandEvent& event)
 {
+    if ( !ms_logText )
+        return;
+
     MyTextCtrl *win = (MyTextCtrl *)event.GetEventObject();
     const wxChar *data = (const wxChar *)(win->GetClientData());
     if ( data )
@@ -600,7 +631,7 @@ void MyTextCtrl::OnTextURL(wxTextUrlEvent& event)
 
 void MyTextCtrl::OnChar(wxKeyEvent& event)
 {
-    if ( MyTextCtrl::ms_logChar )
+    if ( ms_logChar )
         LogEvent( _T("Char"), event);
 
     event.Skip();
@@ -608,7 +639,7 @@ void MyTextCtrl::OnChar(wxKeyEvent& event)
 
 void MyTextCtrl::OnKeyUp(wxKeyEvent& event)
 {
-    if ( MyTextCtrl::ms_logKey )
+    if ( ms_logKey )
         LogEvent( _T("Key up"), event);
 
     event.Skip();
@@ -624,11 +655,7 @@ void MyTextCtrl::OnKeyDown(wxKeyEvent& event)
                 long line, column, pos = GetInsertionPoint();
                 PositionToXY(pos, &column, &line);
 
-                wxLogMessage( _T("Current position: %ld\n"
-                        "Current line, column: (%ld, %ld)\n"
-                        "Number of lines: %ld\n"
-                        "Current line length: %ld\n"
-                        "Total text length: %u (%ld)"),
+                wxLogMessage( _T("Current position: %ld\nCurrent line, column: (%ld, %ld)\nNumber of lines: %ld\nCurrent line length: %ld\nTotal text length: %u (%ld)"),
                         pos,
                         line, column,
                         GetNumberOfLines(),
@@ -658,7 +685,7 @@ void MyTextCtrl::OnKeyDown(wxKeyEvent& event)
             else
             {
                 wxLogDebug( wxT("Stopped capturing mouse and events.") );
-                m_hasCapture = TRUE;
+                m_hasCapture = FALSE;
                 ReleaseMouse();
             }
             break;
@@ -675,9 +702,21 @@ void MyTextCtrl::OnKeyDown(wxKeyEvent& event)
         case WXK_F7:
             ShowPosition(10);
             break;
+
+        case WXK_F10:
+            {
+                long from, to;
+                GetSelection(&from, &to);
+
+                wxString sel = GetStringSelection();
+
+                wxLogMessage(_T("Selection: from %ld to %ld."), from, to);
+                wxLogMessage(_T("Selection = '%s' (len = %u)"),
+                             sel.c_str(), sel.length());
+            }
     }
 
-    if ( MyTextCtrl::ms_logKey )
+    if ( ms_logKey )
         LogEvent( wxT("Key down"), event);
 
     event.Skip();
@@ -694,7 +733,9 @@ END_EVENT_TABLE()
 MyPanel::MyPanel( wxFrame *frame, int x, int y, int w, int h )
        : wxPanel( frame, -1, wxPoint(x, y), wxSize(w, h) )
 {
-    m_log = new wxTextCtrl( this, -1, "This is the log window.\n", wxPoint(5,260), wxSize(630,100), wxTE_MULTILINE );
+    m_log = new wxTextCtrl( this, -1, "This is the log window.\n",
+                            wxPoint(5,260), wxSize(630,100),
+                            wxTE_MULTILINE | wxTE_READONLY /* | wxTE_RICH */);
 
     wxLog *old_log = wxLog::SetActiveTarget( new wxLogTextCtrl( m_log ) );
 
@@ -738,11 +779,22 @@ MyPanel::MyPanel( wxFrame *frame, int x, int y, int w, int h )
                 m_horizontal->SetValue("®lu»ouèký kùò zbìsile èe¹tina «»");
                 break;
 
-            default:
+            case '1':
+                m_horizontal->SetFont(wxFont(18, wxSWISS, wxNORMAL, wxNORMAL,
+                                             FALSE, "",
+                                             wxFONTENCODING_CP1251));
+                m_horizontal->SetValue("Ïðèâåò!");
+                break;
+
+            case '8':
                 m_horizontal->SetFont(wxFont(18, wxSWISS, wxNORMAL, wxNORMAL,
                                              FALSE, "",
-                                             wxFONTENCODING_KOI8));
+                                             wxFONTENCODING_CP1251));
+#if wxUSE_UNICODE
+                m_horizontal->SetValue(L"\x0412\x0430\x0434\x0438\x043c \x0426");
+#else
                 m_horizontal->SetValue("ËÁÖÅÔÓÑ ÕÄÁÞÎÙÍ");
+#endif
         }
     }
     else
@@ -779,7 +831,7 @@ MyPanel::MyPanel( wxFrame *frame, int x, int y, int w, int h )
                                 wxPoint(450, 10), wxSize(230, 230),
                                 wxTE_RICH |
                                 wxTE_MULTILINE |
-                                wxTE_AUTO_URL |
+                                // wxTE_AUTO_URL |
                                 wxHSCROLL);
 
 #if 1
@@ -794,7 +846,7 @@ MyPanel::MyPanel( wxFrame *frame, int x, int y, int w, int h )
     m_textrich->AppendText(_T("And the next 10 characters should be green and italic\n"));
     m_textrich->SetDefaultStyle(wxTextAttr(*wxCYAN, *wxBLUE));
     m_textrich->AppendText(_T("This text should be cyan on blue\n"));
-    m_textrich->SetDefaultStyle(*wxBLUE);
+    m_textrich->SetDefaultStyle(wxTextAttr(*wxBLUE, *wxWHITE));
     m_textrich->AppendText(_T("And this should be in blue and the text you ")
                            _T("type should be in blue as well"));
 #else
@@ -816,6 +868,14 @@ void MyPanel::OnSize( wxSizeEvent &event )
     event.Skip();
 }
 
+wxTextCtrl *MyPanel::GetFocusedText(wxTextCtrl *textDef)
+{
+    wxWindow *win = FindFocus();
+
+    wxTextCtrl *text = win ? wxDynamicCast(win, wxTextCtrl) : NULL;
+    return text ? text : textDef;
+}
+
 #if wxUSE_CLIPBOARD
 void MyPanel::DoPasteFromClipboard()
 {
@@ -917,6 +977,11 @@ void MyPanel::DoMoveToEndOfEntry()
     m_text->SetFocus();
 }
 
+void MyPanel::DoRemoveText()
+{
+    GetFocusedText(m_multitext)->Remove(0, 10);
+}
+
 //----------------------------------------------------------------------
 // MyFrame
 //----------------------------------------------------------------------
@@ -928,9 +993,10 @@ BEGIN_EVENT_TABLE(MyFrame, wxFrame)
     EVT_MENU(TEXT_LOAD,   MyFrame::OnFileLoad)
 
     EVT_MENU(TEXT_LOG_KEY,  MyFrame::OnLogKey)
-    EVT_MENU(TEXT_LOG_CHAR,  MyFrame::OnLogChar)
-    EVT_MENU(TEXT_LOG_MOUSE,  MyFrame::OnLogMouse)
-    EVT_MENU(TEXT_CLEAR,  MyFrame::OnLogClear)
+    EVT_MENU(TEXT_LOG_CHAR, MyFrame::OnLogChar)
+    EVT_MENU(TEXT_LOG_MOUSE,MyFrame::OnLogMouse)
+    EVT_MENU(TEXT_LOG_TEXT, MyFrame::OnLogText)
+    EVT_MENU(TEXT_CLEAR,    MyFrame::OnLogClear)
 
 #if wxUSE_TOOLTIPS
     EVT_MENU(TEXT_TOOLTIPS_SETDELAY,  MyFrame::OnSetTooltipDelay)
@@ -942,6 +1008,7 @@ BEGIN_EVENT_TABLE(MyFrame, wxFrame)
     EVT_MENU(TEXT_CLIPBOARD_COPY,     MyFrame::OnCopyToClipboard)
 #endif // wxUSE_CLIPBOARD
 
+    EVT_MENU(TEXT_REMOVE,             MyFrame::OnRemoveText)
     EVT_MENU(TEXT_ADD_SOME,           MyFrame::OnAddText)
     EVT_MENU(TEXT_ADD_FREEZE,         MyFrame::OnAddTextFreeze)
     EVT_MENU(TEXT_MOVE_ENDTEXT,       MyFrame::OnMoveToEndOfText)
@@ -955,6 +1022,8 @@ BEGIN_EVENT_TABLE(MyFrame, wxFrame)
     EVT_MENU(TEXT_PAGE_DOWN,          MyFrame::OnScrollPageDown)
     EVT_MENU(TEXT_PAGE_UP,            MyFrame::OnScrollPageUp)
 
+    EVT_MENU(TEXT_SET,                MyFrame::OnSetText)
+
     EVT_IDLE(MyFrame::OnIdle)
 END_EVENT_TABLE()
 
@@ -1058,9 +1127,8 @@ void MyFrame::OnFileSave(wxCommandEvent& event)
     {
 #if wxUSE_FILE
         // verify that the fil length is correct (it wasn't under Win95)
-        wxFile file("dummy.txt");
-        wxLogStatus(this, _T("Successfully saved file "
-                             "(text len = %ld, file size = %ld)"),
+        wxFile file(wxT("dummy.txt"));
+        wxLogStatus(this, _T("Successfully saved file (text len = %ld, file size = %ld)"),
                     m_panel->m_textrich->GetValue().length(),
                     file.Length());
 #endif