don't provide unnecessary (as default) arguments to wxPen ctor, this incidentally...

[wxWidgets.git] / src / univ / textctrl.cpp

diff --git a/src/univ/textctrl.cpp b/src/univ/textctrl.cpp
index afba680e8db7d3ffc384074ab4595ca3fc113242..ee60b694c5edb7be872c94aba50f054df3a23808 100644 (file)
--- a/src/univ/textctrl.cpp
+++ b/src/univ/textctrl.cpp
@@ -790,21 +790,23 @@ wxTextCtrl::~wxTextCtrl()
 
 void wxTextCtrl::DoSetValue(const wxString& value, int flags)
 {
-    if ( IsSingleLine() && (value == GetValue()) )
+    if ( value != GetValue() )
     {
-        // nothing changed
-        return;
-    }
+        EventsSuppressor noeventsIf(this, !(flags & SetValue_SendEvent));
 
-    Replace(0, GetLastPosition(), value);
+        Replace(0, GetLastPosition(), value);
 
-    if ( IsSingleLine() )
+        if ( IsSingleLine() )
+        {
+            SetInsertionPoint(0);
+        }
+    }
+    else // nothing changed
     {
-        SetInsertionPoint(0);
+        // still send event for consistency
+        if ( flags & SetValue_SendEvent )
+            SendTextUpdatedEvent();
     }
-
-    if ( flags & SetValue_SendEvent )
-        SendTextUpdatedEvent();
 }
 
 const wxArrayString& wxTextCtrl::GetLines() const
@@ -1264,6 +1266,9 @@ void wxTextCtrl::Replace(wxTextPos from, wxTextPos to, const wxString& text)
 
     // now call it to do the rest (not related to refreshing)
     ClearSelection();
+
+    if ( EventsAllowed() )
+        SendTextUpdatedEvent();
 }
 
 void wxTextCtrl::Remove(wxTextPos from, wxTextPos to)
@@ -1444,8 +1449,12 @@ wxString wxTextCtrl::GetSelectionText() const
 void wxTextCtrl::SetSelection(wxTextPos from, wxTextPos to)
 {
     // selecting till -1 is the same as selecting to the end
-    if ( to == -1 && from != -1 )
+    if ( to == -1 )
     {
+        // and selecting (-1, -1) range is the same as selecting everything, by
+        // convention
+        if ( from == -1 )
+            from = 0;
         to = GetLastPosition();
     }
 
@@ -1961,7 +1970,7 @@ void wxTextCtrl::ShowPosition(wxTextPos pos)
                 {
                     // finding the last line is easy if each line has exactly
                     // one row
-                    yEnd = yStart + rectText.height / GetLineHeight() - 1;
+                    yEnd = yStart + rectText.height / GetLineHeight();
                 }
 
                 if ( yEnd < y )
@@ -2414,7 +2423,7 @@ void wxTextCtrl::UpdateTextRect()
             WData().m_rowFirstInvalid = 0;
 
             // increase timestamp: this means that the lines which had been
-            // laid out before will be relayd out the next time LayoutLines()
+            // laid out before will be relaid out the next time LayoutLines()
             // is called because their timestamp will be smaller than the
             // current one
             WData().m_timestamp++;
@@ -2438,9 +2447,12 @@ void wxTextCtrl::UpdateLastVisible()
     {
         case wxTE_HT_BEYOND:
             // everything is visible
+            SData().m_ofsHorz = 0;
+
+            SData().m_colStart = 0;
             SData().m_colLastVisible = text.length();
 
-            // calc it below
+            // calculate it below
             SData().m_posLastVisible = -1;
             break;
 
@@ -3258,7 +3270,7 @@ bool wxTextCtrl::GetLineAndRow(wxTextCoord row,
    fine for vertical scrolling as all lines have the same height but is rather
    ugly for horizontal scrolling if proportional font is used. This is why we
    manually update and use SData().m_ofsHorz which contains the length of the string
-   which is hidden beyond the left borde. An important property of text
+   which is hidden beyond the left border. An important property of text
    controls using this kind of scrolling is that an entire number of characters
    is always shown and that parts of characters never appear on display -
    neither in the leftmost nor rightmost positions.
@@ -3273,7 +3285,7 @@ void wxTextCtrl::ShowHorzPosition(wxCoord pos)
 
     // pos is the logical position to show
 
-    // SData().m_ofsHorz is the fisrt logical position shown
+    // SData().m_ofsHorz is the first logical position shown
     if ( pos < SData().m_ofsHorz )
     {
         // scroll backwards
@@ -3608,8 +3620,12 @@ void wxTextCtrl::UpdateScrollbars()
 
         if ( scrollRangeXOld )
         {
-            x *= scrollRangeX - m_rectText.width / charWidth;
-            x /= scrollRangeXOld - m_rectText.width / charWidth;
+            const int w = m_rectText.width / charWidth;
+            if ( w != scrollRangeXOld )
+            {
+                x *= scrollRangeX - w;
+                x /= scrollRangeXOld - w;
+            }
             Scroll(x, y);
         }
 
@@ -4186,6 +4202,7 @@ void wxTextCtrl::DoDraw(wxControlRenderer *renderer)
     // FIXME: is this really a bug in wxMSW?
     rectTextArea.width--;
 #endif // __WXMSW__
+    dc.DestroyClippingRegion();
     dc.SetClippingRegion(rectTextArea);
 
     // adjust for scrolling