]> git.saurik.com Git - wxWidgets.git/blobdiff - src/richtext/richtextctrl.cpp
Fix a number of problems with tracking rectangles by avoiding rebuilding them when...
[wxWidgets.git] / src / richtext / richtextctrl.cpp
index 9fc9317ce0f20a83fab41ad69514d44f8ca0679e..bf06f72f309d7581073f5482dfd17ca1458709ad 100644 (file)
@@ -74,6 +74,7 @@ BEGIN_EVENT_TABLE( wxRichTextCtrl, wxControl )
     EVT_SIZE(wxRichTextCtrl::OnSize)
     EVT_SET_FOCUS(wxRichTextCtrl::OnSetFocus)
     EVT_KILL_FOCUS(wxRichTextCtrl::OnKillFocus)
+    EVT_MOUSE_CAPTURE_LOST(wxRichTextCtrl::OnCaptureLost)
     EVT_CONTEXT_MENU(wxRichTextCtrl::OnContextMenu)
 
     EVT_MENU(wxID_UNDO, wxRichTextCtrl::OnUndo)
@@ -140,7 +141,7 @@ bool wxRichTextCtrl::Create( wxWindow* parent, wxWindowID id, const wxString& va
 
     GetBuffer().Reset();
     GetBuffer().SetRichTextCtrl(this);
-    
+
     SetCaret(new wxCaret(this, wxRICHTEXT_DEFAULT_CARET_WIDTH, 16));
     GetCaret()->Show();
 
@@ -151,7 +152,6 @@ bool wxRichTextCtrl::Create( wxWindow* parent, wxWindowID id, const wxString& va
     wxTextAttrEx attributes;
     attributes.SetFont(GetFont());
     attributes.SetTextColour(*wxBLACK);
-    attributes.SetBackgroundColour(*wxWHITE);
     attributes.SetAlignment(wxTEXT_ALIGNMENT_LEFT);
     attributes.SetLineSpacing(10);
     attributes.SetParagraphSpacingAfter(10);
@@ -193,7 +193,7 @@ bool wxRichTextCtrl::Create( wxWindow* parent, wxWindowID id, const wxString& va
 wxRichTextCtrl::~wxRichTextCtrl()
 {
     GetBuffer().RemoveEventHandler(this);
-    
+
     delete m_contextMenu;
 }
 
@@ -325,6 +325,11 @@ void wxRichTextCtrl::OnKillFocus(wxFocusEvent& WXUNUSED(event))
     //    Refresh(false);
 }
 
+void wxRichTextCtrl::OnCaptureLost(wxMouseCaptureLostEvent& WXUNUSED(event))
+{
+    m_dragging = false;
+}
+
 /// Left-click
 void wxRichTextCtrl::OnLeftClick(wxMouseEvent& event)
 {
@@ -384,33 +389,42 @@ void wxRichTextCtrl::OnLeftUp(wxMouseEvent& event)
         long position = 0;
         wxPoint logicalPt = event.GetLogicalPosition(dc);
         int hit = GetBuffer().HitTest(dc, logicalPt, position);
-    
+
         if (hit != wxRICHTEXT_HITTEST_NONE)
         {
-            wxTextAttrEx attr;
-            if (GetStyle(position, attr))
+            wxRichTextEvent cmdEvent(
+                wxEVT_COMMAND_RICHTEXT_LEFT_CLICK,
+                GetId());
+            cmdEvent.SetEventObject(this);
+            cmdEvent.SetPosition(m_caretPosition+1);
+
+            if (!GetEventHandler()->ProcessEvent(cmdEvent))
             {
-                if (attr.HasFlag(wxTEXT_ATTR_URL))
+                wxTextAttrEx attr;
+                if (GetStyle(position, attr))
                 {
-                    wxString urlTarget = attr.GetURL();
-                    if (!urlTarget.IsEmpty())
+                    if (attr.HasFlag(wxTEXT_ATTR_URL))
                     {
-                        wxMouseEvent mouseEvent(event);
-                        
-                        long startPos = 0, endPos = 0;
-                        wxRichTextObject* obj = GetBuffer().GetLeafObjectAtPosition(position);
-                        if (obj)
+                        wxString urlTarget = attr.GetURL();
+                        if (!urlTarget.IsEmpty())
                         {
-                            startPos = obj->GetRange().GetStart();
-                            endPos = obj->GetRange().GetEnd();
-                        }                        
-                        
-                        wxTextUrlEvent urlEvent(GetId(), mouseEvent, startPos, endPos);
-                        InitCommandEvent(urlEvent);
-
-                        urlEvent.SetString(urlTarget);
-                        
-                        GetEventHandler()->ProcessEvent(urlEvent);
+                            wxMouseEvent mouseEvent(event);
+
+                            long startPos = 0, endPos = 0;
+                            wxRichTextObject* obj = GetBuffer().GetLeafObjectAtPosition(position);
+                            if (obj)
+                            {
+                                startPos = obj->GetRange().GetStart();
+                                endPos = obj->GetRange().GetEnd();
+                            }
+
+                            wxTextUrlEvent urlEvent(GetId(), mouseEvent, startPos, endPos);
+                            InitCommandEvent(urlEvent);
+
+                            urlEvent.SetString(urlTarget);
+
+                            GetEventHandler()->ProcessEvent(urlEvent);
+                        }
                     }
                 }
             }
@@ -428,11 +442,11 @@ void wxRichTextCtrl::OnMoveMouse(wxMouseEvent& event)
     long position = 0;
     wxPoint logicalPt = event.GetLogicalPosition(dc);
     int hit = GetBuffer().HitTest(dc, logicalPt, position);
-    
+
     // See if we need to change the cursor
-    
+
     {
-        if (hit != wxRICHTEXT_HITTEST_NONE)
+        if (hit != wxRICHTEXT_HITTEST_NONE && !(hit & wxRICHTEXT_HITTEST_OUTSIDE))
         {
             wxTextAttrEx attr;
             if (GetStyle(position, attr))
@@ -447,6 +461,8 @@ void wxRichTextCtrl::OnMoveMouse(wxMouseEvent& event)
                 }
             }
         }
+        else
+            SetCursor(m_textCursor);
     }
 
     if (!event.Dragging())
@@ -488,23 +504,45 @@ void wxRichTextCtrl::OnMoveMouse(wxMouseEvent& event)
 }
 
 /// Right-click
-void wxRichTextCtrl::OnRightClick(wxMouseEvent& event)
+void wxRichTextCtrl::OnRightClick(wxMouseEvent& WXUNUSED(event))
 {
     SetFocus();
-    event.Skip();
+
+    wxRichTextEvent cmdEvent(
+        wxEVT_COMMAND_RICHTEXT_RIGHT_CLICK,
+        GetId());
+    cmdEvent.SetEventObject(this);
+    cmdEvent.SetPosition(m_caretPosition+1);
+
+    GetEventHandler()->ProcessEvent(cmdEvent);
 }
 
 /// Left-double-click
-void wxRichTextCtrl::OnLeftDClick(wxMouseEvent& event)
+void wxRichTextCtrl::OnLeftDClick(wxMouseEvent& WXUNUSED(event))
 {
-    SelectWord(GetCaretPosition()+1);
-    event.Skip();
+    wxRichTextEvent cmdEvent(
+        wxEVT_COMMAND_RICHTEXT_LEFT_DCLICK,
+        GetId());
+    cmdEvent.SetEventObject(this);
+    cmdEvent.SetPosition(m_caretPosition+1);
+
+    if (!GetEventHandler()->ProcessEvent(cmdEvent))
+    {
+        SelectWord(GetCaretPosition()+1);
+    }
 }
 
 /// Middle-click
 void wxRichTextCtrl::OnMiddleClick(wxMouseEvent& event)
 {
-    event.Skip();
+    wxRichTextEvent cmdEvent(
+        wxEVT_COMMAND_RICHTEXT_MIDDLE_CLICK,
+        GetId());
+    cmdEvent.SetEventObject(this);
+    cmdEvent.SetPosition(m_caretPosition+1);
+
+    if (!GetEventHandler()->ProcessEvent(cmdEvent))
+        event.Skip();
 }
 
 /// Key press
@@ -556,7 +594,15 @@ void wxRichTextCtrl::OnChar(wxKeyEvent& event)
 
         DeleteSelectedContent(& newPos);
 
-        GetBuffer().InsertNewlineWithUndo(newPos+1, this, wxRICHTEXT_INSERT_WITH_PREVIOUS_PARAGRAPH_STYLE);
+        if (event.ShiftDown())
+        {
+            wxString text;
+            text = wxRichTextLineBreakChar;
+            GetBuffer().InsertTextWithUndo(newPos+1, text, this);
+        }
+        else
+            GetBuffer().InsertNewlineWithUndo(newPos+1, this, wxRICHTEXT_INSERT_WITH_PREVIOUS_PARAGRAPH_STYLE);
+
         EndBatchUndo();
         SetDefaultStyleToCursorStyle();
 
@@ -574,7 +620,7 @@ void wxRichTextCtrl::OnChar(wxKeyEvent& event)
             // Generate conventional event
             wxCommandEvent textEvent(wxEVT_COMMAND_TEXT_ENTER, GetId());
             InitCommandEvent(textEvent);
-            
+
             GetEventHandler()->ProcessEvent(textEvent);
         }
         Update();
@@ -582,7 +628,7 @@ void wxRichTextCtrl::OnChar(wxKeyEvent& event)
     else if (event.GetKeyCode() == WXK_BACK)
     {
         BeginBatchUndo(_("Delete Text"));
-        
+
         // Submit range in character positions, which are greater than caret positions,
         // so subtract 1 for deleted character and add 1 for conversion to character position.
         if (m_caretPosition > -1 && !HasSelection())
@@ -654,7 +700,6 @@ void wxRichTextCtrl::OnChar(wxKeyEvent& event)
         switch ( keycode )
         {
             case WXK_ESCAPE:
-            // case WXK_SPACE:
             case WXK_DELETE:
             case WXK_START:
             case WXK_LBUTTON:
@@ -748,6 +793,7 @@ void wxRichTextCtrl::OnChar(wxKeyEvent& event)
             case WXK_NUMPAD_SEPARATOR:
             case WXK_NUMPAD_SUBTRACT:
             case WXK_NUMPAD_DECIMAL:
+            case WXK_WINDOWS_LEFT:
             {
                 event.Skip();
                 return;
@@ -766,9 +812,13 @@ void wxRichTextCtrl::OnChar(wxKeyEvent& event)
                     GetId());
                 cmdEvent.SetEventObject(this);
                 cmdEvent.SetFlags(flags);
+#if wxUSE_UNICODE
+                cmdEvent.SetCharacter(event.GetUnicodeKey());
+#else
                 cmdEvent.SetCharacter((wxChar) keycode);
+#endif
                 cmdEvent.SetPosition(m_caretPosition+1);
-                
+
                 if (keycode == wxT('\t'))
                 {
                     // See if we need to promote or demote the selection or paragraph at the cursor
@@ -798,14 +848,18 @@ void wxRichTextCtrl::OnChar(wxKeyEvent& event)
                 long newPos = m_caretPosition;
                 DeleteSelectedContent(& newPos);
 
+#if wxUSE_UNICODE
+                wxString str = event.GetUnicodeKey();
+#else
                 wxString str = (wxChar) event.GetKeyCode();
+#endif
                 GetBuffer().InsertTextWithUndo(newPos+1, str, this, 0);
 
                 EndBatchUndo();
 
                 SetDefaultStyleToCursorStyle();
                 ScrollIntoView(m_caretPosition, WXK_RIGHT);
-                
+
                 GetEventHandler()->ProcessEvent(cmdEvent);
 
                 Update();
@@ -993,7 +1047,7 @@ bool wxRichTextCtrl::ScrollIntoView(long position, int keyCode)
 
     // Going down
     if (keyCode == WXK_DOWN || keyCode == WXK_NUMPAD_DOWN ||
-        keyCode == WXK_RIGHT || keyCode == WXK_NUMPAD_DOWN ||
+        keyCode == WXK_RIGHT || keyCode == WXK_NUMPAD_RIGHT ||
         keyCode == WXK_END || keyCode == WXK_NUMPAD_END ||
         keyCode == WXK_PAGEDOWN || keyCode == WXK_NUMPAD_PAGEDOWN)
     {
@@ -1317,7 +1371,7 @@ bool wxRichTextCtrl::MoveDown(int noLines, int flags)
         // we want to be at the end of the last line but with m_caretAtLineStart set to true,
         // so we view the caret at the start of the line.
         bool caretLineStart = false;
-        if (hitTest == wxRICHTEXT_HITTEST_BEFORE)
+        if (hitTest & wxRICHTEXT_HITTEST_BEFORE)
         {
             wxRichTextLine* thisLine = GetBuffer().GetLineAtPosition(newPos-1);
             wxRichTextRange lineRange;
@@ -1540,6 +1594,11 @@ bool wxRichTextCtrl::PageDown(int noPages, int flags)
     return false;
 }
 
+static bool wxRichTextCtrlIsWhitespace(const wxString& str)
+{
+    return str == wxT(" ") || str == wxT("\t");
+}
+
 // Finds the caret position for the next word
 long wxRichTextCtrl::FindNextWordPosition(int direction) const
 {
@@ -1554,7 +1613,12 @@ long wxRichTextCtrl::FindNextWordPosition(int direction) const
         {
             // i is in character, not caret positions
             wxString text = GetBuffer().GetTextForRange(wxRichTextRange(i, i));
-            if (text != wxT(" ") && !text.empty())
+            wxRichTextLine* line = GetBuffer().GetLineAtPosition(i, false);
+            if (line && (i == line->GetAbsoluteRange().GetEnd()))
+            {
+                break;
+            }
+            else if (!wxRichTextCtrlIsWhitespace(text) && !text.empty())
                 i += direction;
             else
             {
@@ -1565,9 +1629,13 @@ long wxRichTextCtrl::FindNextWordPosition(int direction) const
         {
             // i is in character, not caret positions
             wxString text = GetBuffer().GetTextForRange(wxRichTextRange(i, i));
+            wxRichTextLine* line = GetBuffer().GetLineAtPosition(i, false);
+            if (line && (i == line->GetAbsoluteRange().GetEnd()))
+                return wxMax(-1, i);
+
             if (text.empty()) // End of paragraph, or maybe an image
                 return wxMax(-1, i - 1);
-            else if (text == wxT(" ") || text.empty())
+            else if (wxRichTextCtrlIsWhitespace(text) || text.empty())
                 i += direction;
             else
             {
@@ -1588,9 +1656,11 @@ long wxRichTextCtrl::FindNextWordPosition(int direction) const
         {
             // i is in character, not caret positions
             wxString text = GetBuffer().GetTextForRange(wxRichTextRange(i, i));
-            if (text.empty()) // End of paragraph, or maybe an image
+            wxRichTextLine* line = GetBuffer().GetLineAtPosition(i, false);
+
+            if (text.empty() || (line && (i == line->GetAbsoluteRange().GetStart()))) // End of paragraph, or maybe an image
                 break;
-            else if (text == wxT(" ") || text.empty())
+            else if (wxRichTextCtrlIsWhitespace(text) || text.empty())
                 i += direction;
             else
                 break;
@@ -1600,7 +1670,11 @@ long wxRichTextCtrl::FindNextWordPosition(int direction) const
         {
             // i is in character, not caret positions
             wxString text = GetBuffer().GetTextForRange(wxRichTextRange(i, i));
-            if (text != wxT(" ") /* && !text.empty() */)
+            wxRichTextLine* line = GetBuffer().GetLineAtPosition(i, false);
+            if (line && line->GetAbsoluteRange().GetStart() == i)
+                return i-1;
+
+            if (!wxRichTextCtrlIsWhitespace(text) /* && !text.empty() */)
                 i += direction;
             else
             {
@@ -1961,17 +2035,12 @@ wxRichTextCtrl::HitTest(const wxPoint& pt,
 
     int hit = ((wxRichTextCtrl*)this)->GetBuffer().HitTest(dc, pt2, *pos);
 
-    switch ( hit )
-    {
-        case wxRICHTEXT_HITTEST_BEFORE:
-            return wxTE_HT_BEFORE;
-
-        case wxRICHTEXT_HITTEST_AFTER:
-            return wxTE_HT_BEYOND;
-
-        case wxRICHTEXT_HITTEST_ON:
-            return wxTE_HT_ON_TEXT;
-    }
+    if ((hit & wxRICHTEXT_HITTEST_BEFORE) && (hit & wxRICHTEXT_HITTEST_OUTSIDE))
+        return wxTE_HT_BEFORE;
+    else if ((hit & wxRICHTEXT_HITTEST_AFTER) && (hit & wxRICHTEXT_HITTEST_OUTSIDE))
+        return wxTE_HT_BEYOND;
+    else if (hit & (wxRICHTEXT_HITTEST_BEFORE|wxRICHTEXT_HITTEST_AFTER))
+        return wxTE_HT_ON_TEXT;
 
     return wxTE_HT_UNKNOWN;
 }
@@ -1995,30 +2064,21 @@ void wxRichTextCtrl::DoSetValue(const wxString& value, int flags)
 {
     Clear();
 
-    // if the text is long enough, it's faster to just set it instead of first
-    // comparing it with the old one (chances are that it will be different
-    // anyhow, this comparison is there to avoid flicker for small single-line
-    // edit controls mostly)
-    if ( (value.length() > 0x400) || (value != GetValue()) )
+    if (!value.IsEmpty())
     {
+        // Remove empty paragraph
+        GetBuffer().Clear();
         DoWriteText(value);
 
         // for compatibility, don't move the cursor when doing SetValue()
         SetInsertionPoint(0);
     }
-    else // same text
+    else
     {
-        if ( flags & SetValue_SendEvent )
-        {
-            // still send an event for consistency
+        // still send an event for consistency
+        if (flags & SetValue_SendEvent)
             SendTextUpdatedEvent();
-        }
     }
-
-    // we should reset the modified flag even if the value didn't really change
-
-    // mark the control as being not dirty - we changed its text, not the
-    // user
     DiscardEdits();
 }
 
@@ -2031,7 +2091,7 @@ void wxRichTextCtrl::DoWriteText(const wxString& value, int flags)
 {
     wxString valueUnix = wxTextFile::Translate(value, wxTextFileType_Unix);
 
-    GetBuffer().InsertTextWithUndo(m_caretPosition+1, valueUnix, this);
+    GetBuffer().InsertTextWithUndo(m_caretPosition+1, valueUnix, this, wxRICHTEXT_INSERT_WITH_PREVIOUS_PARAGRAPH_STYLE);
 
     if ( flags & SetValue_SendEvent )
         SendTextUpdatedEvent();
@@ -2092,6 +2152,13 @@ bool wxRichTextCtrl::Newline()
     return GetBuffer().InsertNewlineWithUndo(m_caretPosition+1, this);
 }
 
+/// Insert a line break at the current insertion point.
+bool wxRichTextCtrl::LineBreak()
+{
+    wxString text;
+    text = wxRichTextLineBreakChar;
+    return GetBuffer().InsertTextWithUndo(m_caretPosition+1, text, this);
+}
 
 // ----------------------------------------------------------------------------
 // Clipboard operations
@@ -2240,7 +2307,8 @@ void wxRichTextCtrl::DoSetSelection(long from, long to, bool WXUNUSED(scrollCare
 {
     m_selectionAnchor = from;
     m_selectionRange.SetRange(from, to-1);
-    m_caretPosition = from-1;
+    if (from > -2)
+        m_caretPosition = from-1;
 
     Refresh(false);
     PositionCaret();
@@ -2662,6 +2730,10 @@ bool wxRichTextCtrl::GetCaretPositionForIndex(long position, wxRect& rect)
 
     if (GetBuffer().FindPosition(dc, position, pt, & height, m_caretAtLineStart))
     {
+        // Caret height can't be zero
+        if (height == 0)
+            height = dc.GetCharHeight();
+
         rect = wxRect(pt, wxSize(wxRICHTEXT_DEFAULT_CARET_WIDTH, height));
         return true;
     }
@@ -2913,7 +2985,7 @@ bool wxRichTextCtrl::ApplyStyle(wxRichTextStyleDefinition* def)
 {
     // Flags are defined within each definition, so only certain
     // attributes are applied.
-    wxRichTextAttr attr(def->GetStyle());
+    wxRichTextAttr attr(GetStyleSheet() ? def->GetStyleMergedWithBase(GetStyleSheet()) : def->GetStyle());
 
     int flags = wxRICHTEXT_SETSTYLE_WITH_UNDO|wxRICHTEXT_SETSTYLE_OPTIMIZE;