Added regex to the build. New .def file for .dll builds.

[wxWidgets.git] / src / gtk1 / textctrl.cpp

diff --git a/src/gtk1/textctrl.cpp b/src/gtk1/textctrl.cpp
index 7f5f223d94f89f66e7ec284cea24e3e57bb2df50..526f5227c6e9129640116ef46ba50db81445884e 100644 (file)
--- a/src/gtk1/textctrl.cpp
+++ b/src/gtk1/textctrl.cpp
@@ -21,6 +21,7 @@
 #include <sys/types.h>
 #include <sys/stat.h>
 #include <ctype.h>
+#include <math.h>               // for fabs
 
 #include "gdk/gdk.h"
 #include "gtk/gtk.h"
@@ -564,19 +565,21 @@ void wxTextCtrl::AppendText( const wxString &text )
     {
         if ( !m_defaultStyle.IsDefault() )
         {
-            GdkFont *font = m_defaultStyle.HasFont()
-                                ? m_defaultStyle.GetFont().GetInternalFont()
-                                : NULL;
+            wxFont font = m_defaultStyle.HasFont() ? m_defaultStyle.GetFont()
+                                                   : m_font;
+            GdkFont *fnt = font.Ok() ? font.GetInternalFont() : NULL;
 
-            GdkColor *colFg = m_defaultStyle.HasTextColour()
-                                ? m_defaultStyle.GetTextColour().GetColor()
-                                : NULL;
+            wxColour col = m_defaultStyle.HasTextColour()
+                                ? m_defaultStyle.GetTextColour()
+                                : m_foregroundColour;
+            GdkColor *colFg = col.Ok() ? col.GetColor() : NULL;
 
-            GdkColor *colBg = m_defaultStyle.HasBackgroundColour()
-                                ? m_defaultStyle.GetBackgroundColour().GetColor()
-                                : NULL;
+            col = m_defaultStyle.HasBackgroundColour()
+                    ? m_defaultStyle.GetBackgroundColour()
+                    : m_backgroundColour;
+            GdkColor *colBg = col.Ok() ? col.GetColor() : NULL;
 
-            gtk_text_insert( GTK_TEXT(m_text), font, colFg, colBg, txt, txtlen );
+            gtk_text_insert( GTK_TEXT(m_text), fnt, colFg, colBg, txt, txtlen );
         }
         else // no style
         {
@@ -1058,6 +1061,8 @@ bool wxTextCtrl::SetFont( const wxFont &font )
     {
         m_updateFont = TRUE;
 
+        m_defaultStyle.SetFont(font);
+
         ChangeFontGlobally();
     }
 
@@ -1102,7 +1107,8 @@ bool wxTextCtrl::SetBackgroundColour( const wxColour &colour )
 {
     wxCHECK_MSG( m_text != NULL, FALSE, wxT("invalid text ctrl") );
 
-    wxControl::SetBackgroundColour( colour );
+    if ( !wxControl::SetBackgroundColour( colour ) )
+        return FALSE;
 
     if (!m_widget->window)
         return FALSE;
@@ -1291,6 +1297,10 @@ wxSize wxTextCtrl::DoGetBestSize() const
     return wxSize(80, ret.y);
 }
 
+// ----------------------------------------------------------------------------
+// freeze/thaw
+// ----------------------------------------------------------------------------
+
 void wxTextCtrl::Freeze()
 {
     if ( HasFlag(wxTE_MULTILINE) )
@@ -1303,6 +1313,64 @@ void wxTextCtrl::Thaw()
 {
     if ( HasFlag(wxTE_MULTILINE) )
     {
+        GTK_TEXT(m_text)->vadj->value = 0.0;
+
         gtk_text_thaw(GTK_TEXT(m_text));
     }
 }
+
+// ----------------------------------------------------------------------------
+// scrolling
+// ----------------------------------------------------------------------------
+
+GtkAdjustment *wxTextCtrl::GetVAdj() const
+{
+    return HasFlag(wxTE_MULTILINE) ? GTK_TEXT(m_text)->vadj : NULL;
+}
+
+bool wxTextCtrl::DoScroll(GtkAdjustment *adj, int diff)
+{
+    float value = adj->value + diff;
+
+    if ( value < 0 )
+        value = 0;
+
+    float upper = adj->upper - adj->page_size;
+    if ( value > upper )
+        value = upper;
+
+    // did we noticeably change the scroll position?
+    if ( fabs(adj->value - value) < 0.2 )
+    {
+        // well, this is what Robert does in wxScrollBar, so it must be good...
+        return FALSE;
+    }
+
+    adj->value = value;
+
+    gtk_signal_emit_by_name(GTK_OBJECT(adj), "value_changed");
+
+    return TRUE;
+}
+
+bool wxTextCtrl::ScrollLines(int lines)
+{
+    GtkAdjustment *adj = GetVAdj();
+    if ( !adj )
+        return FALSE;
+
+    // this is hardcoded to 10 in GTK+ 1.2 (great idea)
+    static const int KEY_SCROLL_PIXELS = 10;
+
+    return DoScroll(adj, lines*KEY_SCROLL_PIXELS);
+}
+
+bool wxTextCtrl::ScrollPages(int pages)
+{
+    GtkAdjustment *adj = GetVAdj();
+    if ( !adj )
+        return FALSE;
+
+    return DoScroll(adj, (int)ceil(pages*adj->page_increment));
+}
+