added back 2 extra pixels for the best size under XP

[wxWidgets.git] / src / richtext / richtextctrl.cpp

diff --git a/src/richtext/richtextctrl.cpp b/src/richtext/richtextctrl.cpp
index 80585278bc676adf9c79af66b4fa5bc9ed4ab96f..b414fa7bb5f6cd270715fb77c9434d27ff3dfb7f 100644 (file)
--- a/src/richtext/richtextctrl.cpp
+++ b/src/richtext/richtextctrl.cpp
@@ -1,5 +1,5 @@
 /////////////////////////////////////////////////////////////////////////////
-// Name:        richtext/richeditctrl.cpp
+// Name:        src/richtext/richeditctrl.cpp
 // Purpose:     A rich edit control
 // Author:      Julian Smart
 // Modified by:
@@ -13,24 +13,22 @@
 #include "wx/wxprec.h"
 
 #ifdef __BORLANDC__
-  #pragma hdrstop
+    #pragma hdrstop
 #endif
 
-#ifndef WX_PRECOMP
-  #include "wx/wx.h"
-#endif
+#if wxUSE_RICHTEXT
 
-#include "wx/image.h"
+#include "wx/richtext/richtextctrl.h"
 
-#if wxUSE_RICHTEXT
+#ifndef WX_PRECOMP
+    #include "wx/wx.h"
+    #include "wx/settings.h"
+#endif
 
 #include "wx/textfile.h"
 #include "wx/ffile.h"
-#include "wx/settings.h"
 #include "wx/filename.h"
 #include "wx/dcbuffer.h"
-
-#include "wx/richtext/richtextctrl.h"
 #include "wx/arrimpl.cpp"
 
 DEFINE_EVENT_TYPE(wxEVT_COMMAND_RICHTEXT_ITEM_SELECTED)
@@ -187,11 +185,11 @@ void wxRichTextCtrl::Freeze()
 }
 
 /// Call Thaw to refresh
-void wxRichTextCtrl::Thaw(bool refresh)
+void wxRichTextCtrl::Thaw()
 {
     m_freezeCount --;
 
-    if (m_freezeCount == 0 && refresh)
+    if (m_freezeCount == 0)
     {
         SetupScrollbars();
         Refresh(false);
@@ -224,19 +222,19 @@ void wxRichTextCtrl::OnPaint(wxPaintEvent& WXUNUSED(event))
     {
         wxBufferedPaintDC dc(this, m_bufferBitmap);
         //wxLogDebug(wxT("OnPaint"));
-        
+
         PrepareDC(dc);
-        
+
         if (m_freezeCount > 0)
             return;
-        
+
         dc.SetFont(GetFont());
-        
+
         // Paint the background
         PaintBackground(dc);
-        
+
         wxRegion dirtyRegion = GetUpdateRegion();
-        
+
         wxRect drawingArea(GetLogicalPoint(wxPoint(0, 0)), GetClientSize());
         wxRect availableSpace(GetClientSize());
         if (GetBuffer().GetDirty())
@@ -245,7 +243,7 @@ void wxRichTextCtrl::OnPaint(wxPaintEvent& WXUNUSED(event))
             GetBuffer().SetDirty(false);
             SetupScrollbars();
         }
-        
+
         GetBuffer().Draw(dc, GetBuffer().GetRange(), GetSelectionRange(), drawingArea, 0 /* descent */, 0 /* flags */);
     }
 
@@ -431,13 +429,21 @@ void wxRichTextCtrl::OnChar(wxKeyEvent& event)
         event.GetKeyCode() == WXK_HOME ||
         event.GetKeyCode() == WXK_PAGEUP ||
         event.GetKeyCode() == WXK_PAGEDOWN ||
-        event.GetKeyCode() == WXK_PRIOR ||
-        event.GetKeyCode() == WXK_NEXT ||
         event.GetKeyCode() == WXK_END)
     {
-        Navigate(event.GetKeyCode(), flags);
+        KeyboardNavigate(event.GetKeyCode(), flags);
+        return;
+    }
+
+    // all the other keys modify the controls contents which shouldn't be
+    // possible if we're read-only
+    if ( !IsEditable() )
+    {
+        event.Skip();
+        return;
     }
-    else if (event.GetKeyCode() == WXK_RETURN)
+
+    if (event.GetKeyCode() == WXK_RETURN)
     {
         BeginBatchUndo(_("Insert Text"));
 
@@ -456,6 +462,8 @@ void wxRichTextCtrl::OnChar(wxKeyEvent& event)
 
         EndBatchUndo();
         SetDefaultStyleToCursorStyle();
+
+        ScrollIntoView(m_caretPosition, WXK_RIGHT);
     }
     else if (event.GetKeyCode() == WXK_BACK)
     {
@@ -485,6 +493,7 @@ void wxRichTextCtrl::OnChar(wxKeyEvent& event)
             SetDefaultStyleToCursorStyle();
         }
 
+        ScrollIntoView(m_caretPosition, WXK_LEFT);
     }
     else if (event.GetKeyCode() == WXK_DELETE)
     {
@@ -526,11 +535,8 @@ void wxRichTextCtrl::OnChar(wxKeyEvent& event)
         EndBatchUndo();
 
         SetDefaultStyleToCursorStyle();
+        ScrollIntoView(m_caretPosition, WXK_RIGHT);
     }
-#if 0
-    else
-        event.Skip();
-#endif
 }
 
 /// Delete content if there is a selection, e.g. when pressing a key.
@@ -584,10 +590,9 @@ Adding Shift does the above but starts/extends selection.
 
  */
 
-bool wxRichTextCtrl::Navigate(int keyCode, int flags)
+bool wxRichTextCtrl::KeyboardNavigate(int keyCode, int flags)
 {
     bool success = false;
-    Freeze();
 
     if (keyCode == WXK_RIGHT)
     {
@@ -617,11 +622,11 @@ bool wxRichTextCtrl::Navigate(int keyCode, int flags)
         else
             success = MoveDown(1, flags);
     }
-    else if (keyCode == WXK_PAGEUP || keyCode == WXK_PRIOR)
+    else if (keyCode == WXK_PAGEUP)
     {
         success = PageUp(1, flags);
     }
-    else if (keyCode == WXK_PAGEDOWN || keyCode == WXK_NEXT)
+    else if (keyCode == WXK_PAGEDOWN)
     {
         success = PageDown(1, flags);
     }
@@ -646,8 +651,6 @@ bool wxRichTextCtrl::Navigate(int keyCode, int flags)
         SetDefaultStyleToCursorStyle();
     }
 
-    Thaw(false);
-
     return success;
 }
 
@@ -704,7 +707,7 @@ bool wxRichTextCtrl::ScrollIntoView(long position, int keyCode)
     startX = 0;
     startY = startY * ppuY;
 
-    int sx, sy;
+    int sx = 0, sy = 0;
     GetVirtualSize(& sx, & sy);
     sx = 0;
     if (ppuY != 0)
@@ -717,7 +720,7 @@ bool wxRichTextCtrl::ScrollIntoView(long position, int keyCode)
     wxSize clientSize = GetClientSize();
 
     // Going down
-    if (keyCode == WXK_DOWN || keyCode == WXK_RIGHT || keyCode == WXK_END || keyCode == WXK_NEXT || keyCode == WXK_PAGEDOWN)
+    if (keyCode == WXK_DOWN || keyCode == WXK_RIGHT || keyCode == WXK_END || keyCode == WXK_PAGEDOWN)
     {
         if ((rect.y + rect.height) > (clientSize.y + startY))
         {
@@ -747,7 +750,7 @@ bool wxRichTextCtrl::ScrollIntoView(long position, int keyCode)
         }
     }
     // Going up
-    else if (keyCode == WXK_UP || keyCode == WXK_LEFT || keyCode == WXK_HOME || keyCode == WXK_PRIOR || keyCode == WXK_PAGEUP)
+    else if (keyCode == WXK_UP || keyCode == WXK_LEFT || keyCode == WXK_HOME || keyCode == WXK_PAGEUP )
     {
         if (rect.y < startY)
         {
@@ -797,7 +800,7 @@ bool wxRichTextCtrl::IsPositionVisible(long pos) const
     startX = 0;
     startY = startY * ppuY;
 
-    int sx, sy;
+    int sx = 0, sy = 0;
     GetVirtualSize(& sx, & sy);
     sx = 0;
     if (ppuY != 0)
@@ -1062,8 +1065,8 @@ bool wxRichTextCtrl::MoveDown(int noLines, int flags)
             Refresh(false);
         return true;
     }
-    else
-        return false;
+
+    return false;
 }
 
 /// Move to the end of the paragraph
@@ -1582,17 +1585,20 @@ wxString wxRichTextCtrl::GetStringSelection() const
 }
 
 // do the window-specific processing after processing the update event
+#if !wxRICHTEXT_DERIVES_FROM_TEXTCTRLBASE
 void wxRichTextCtrl::DoUpdateWindowUI(wxUpdateUIEvent& event)
 {
-    if ( event.GetSetEnabled() )
-        Enable(event.GetEnabled());
+    // call inherited
+    wxWindowBase::DoUpdateWindowUI(event);
 
+    // update text
     if ( event.GetSetText() )
     {
         if ( event.GetText() != GetValue() )
             SetValue(event.GetText());
     }
 }
+#endif // !wxRICHTEXT_DERIVES_FROM_TEXTCTRLBASE
 
 // ----------------------------------------------------------------------------
 // hit testing
@@ -1623,14 +1629,20 @@ wxRichTextCtrl::HitTest(const wxPoint& pt,
     ((wxRichTextCtrl*)this)->PrepareDC(dc);
 
     int hit = ((wxRichTextCtrl*)this)->GetBuffer().HitTest(dc, pt, *pos);
-    if (hit == wxRICHTEXT_HITTEST_BEFORE)
-        return wxTE_HT_BEFORE;
-    else if (hit == wxRICHTEXT_HITTEST_AFTER)
-        return wxTE_HT_BEYOND;
-    else if (hit == wxRICHTEXT_HITTEST_ON)
-        return wxTE_HT_ON_TEXT;
-    else
-        return wxTE_HT_UNKNOWN;
+
+    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;
+    }
+
+    return wxTE_HT_UNKNOWN;
 }
 
 // ----------------------------------------------------------------------------
@@ -1700,8 +1712,8 @@ bool wxRichTextCtrl::WriteImage(const wxImage& image, int bitmapType)
     wxImage image2 = image;
     if (imageBlock.MakeImageBlock(image2, bitmapType))
         return WriteImage(imageBlock);
-    else
-        return false;
+
+    return false;
 }
 
 bool wxRichTextCtrl::WriteImage(const wxString& filename, int bitmapType)
@@ -1711,8 +1723,8 @@ bool wxRichTextCtrl::WriteImage(const wxString& filename, int bitmapType)
     wxImage image;
     if (imageBlock.MakeImageBlock(filename, bitmapType, image, false))
         return WriteImage(imageBlock);
-    else
-        return false;
+
+    return false;
 }
 
 bool wxRichTextCtrl::WriteImage(const wxRichTextImageBlock& imageBlock)
@@ -1729,9 +1741,8 @@ bool wxRichTextCtrl::WriteImage(const wxBitmap& bitmap, int bitmapType)
         wxImage image = bitmap.ConvertToImage();
         if (image.Ok() && imageBlock.MakeImageBlock(image, bitmapType))
             return WriteImage(imageBlock);
-        else
-            return false;
     }
+
     return false;
 }
 
@@ -2259,8 +2270,8 @@ bool wxRichTextCtrl::GetCaretPositionForIndex(long position, wxRect& rect)
         rect = wxRect(pt, wxSize(wxRICHTEXT_DEFAULT_CARET_WIDTH, height));
         return true;
     }
-    else
-        return false;
+
+    return false;
 }
 
 /// Gets the line for the visible caret position. If the caret is
@@ -2321,17 +2332,17 @@ bool wxRichTextCtrl::LayoutContent(bool onlyVisibleRect)
             flags |= wxRICHTEXT_LAYOUT_SPECIFIED_RECT;
             availableSpace.SetPosition(GetLogicalPoint(wxPoint(0, 0)));
         }
-        
+
         wxClientDC dc(this);
         dc.SetFont(GetFont());
-        
+
         PrepareDC(dc);
-        
+
         GetBuffer().Defragment();
         GetBuffer().UpdateRanges();     // If items were deleted, ranges need recalculation
         GetBuffer().Layout(dc, availableSpace, flags);
         GetBuffer().SetDirty(false);
-        
+
         if (!IsFrozen())
             SetupScrollbars();
     }
@@ -2510,8 +2521,8 @@ bool wxRichTextCtrl::SetDefaultStyleToCursorStyle()
         SetDefaultStyle(attr);
         return true;
     }
-    else
-        return false;
+
+    return false;
 }
 
 /// Returns the first visible position in the current view
@@ -2526,4 +2537,3 @@ long wxRichTextCtrl::GetFirstVisiblePosition() const
 
 #endif
     // wxUSE_RICHTEXT
-