Removed unneeded assert

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

diff --git a/src/gtk/textctrl.cpp b/src/gtk/textctrl.cpp
index 35de57809a7bc4356f3516b039bcc9ad03596a7f..1c63ae186ea6967e14abacb3eec346d42b72a5b1 100644 (file)
--- a/src/gtk/textctrl.cpp
+++ b/src/gtk/textctrl.cpp
@@ -41,6 +41,28 @@ extern bool g_isIdle;
 extern bool       g_blockEventsOnDrag;
 extern wxCursor   g_globalCursor;
 
 extern bool       g_blockEventsOnDrag;
 extern wxCursor   g_globalCursor;
 

+// ----------------------------------------------------------------------------
+// helpers
+// ----------------------------------------------------------------------------
+
+static void wxGtkTextInsert(GtkWidget *text,
+                            const wxTextAttr& attr,
+                            const char *txt,
+                            size_t len)
+{
+    GdkFont *font = attr.HasFont() ? attr.GetFont().GetInternalFont()
+                                   : NULL;
+
+    GdkColor *colFg = attr.HasTextColour() ? attr.GetTextColour().GetColor()
+                                           : NULL;
+
+    GdkColor *colBg = attr.HasBackgroundColour()
+                        ? attr.GetBackgroundColour().GetColor()
+                        : NULL;
+
+    gtk_text_insert( GTK_TEXT(text), font, colFg, colBg, txt, len );
+}
+

 // ----------------------------------------------------------------------------
 // "insert_text" for GtkEntry
 // ----------------------------------------------------------------------------
 // ----------------------------------------------------------------------------
 // "insert_text" for GtkEntry
 // ----------------------------------------------------------------------------


@@ -86,7 +108,7 @@ gtk_insert_text_callback(GtkEditable *editable,
 //-----------------------------------------------------------------------------
 
 static void
 //-----------------------------------------------------------------------------
 
 static void

-gtk_text_changed_callback( GtkWidget *WXUNUSED(widget), wxTextCtrl *win )
+gtk_text_changed_callback( GtkWidget *widget, wxTextCtrl *win )

 {
     if ( win->IgnoreTextUpdate() )
         return;
 {
     if ( win->IgnoreTextUpdate() )
         return;


@@ -245,7 +267,7 @@ bool wxTextCtrl::Create( wxWindow *parent,
     }
 
     m_parent->DoAddChild( this );
     }
 
     m_parent->DoAddChild( this );

-    
+

     m_focusWidget = m_text;
 
     PostCreation();
     m_focusWidget = m_text;
 
     PostCreation();


@@ -325,10 +347,7 @@ bool wxTextCtrl::Create( wxWindow *parent,
 
     m_cursor = wxCursor( wxCURSOR_IBEAM );
 
 
     m_cursor = wxCursor( wxCURSOR_IBEAM );
 

-    // FIXME: is the bg colour correct here?
-    wxTextAttr attrDef( colFg,
-                        wxSystemSettings::GetSystemColour(wxSYS_COLOUR_WINDOW),
-                        parent->GetFont() );
+    wxTextAttr attrDef( colFg, m_backgroundColour, parent->GetFont() );

     SetDefaultStyle( attrDef );
 
     Show( TRUE );
     SetDefaultStyle( attrDef );
 
     Show( TRUE );


@@ -426,131 +445,80 @@ void wxTextCtrl::WriteText( const wxString &text )
 
     if ( m_windowStyle & wxTE_MULTILINE )
     {
 
     if ( m_windowStyle & wxTE_MULTILINE )
     {

-        /* this moves the cursor pos to behind the inserted text */
-        gint len = GTK_EDITABLE(m_text)->current_pos;
+        // After cursor movements, gtk_text_get_point() is wrong by one.
+        gtk_text_set_point( GTK_TEXT(m_text), GTK_EDITABLE(m_text)->current_pos );

 
         // if we have any special style, use it
         if ( !m_defaultStyle.IsDefault() )
         {
 
         // if we have any special style, use it
         if ( !m_defaultStyle.IsDefault() )
         {

-            GdkFont *font = m_defaultStyle.HasFont()
-                                ? m_defaultStyle.GetFont().GetInternalFont()
-                                : NULL;
-
-            GdkColor *colFg = m_defaultStyle.HasTextColour()
-                                ? m_defaultStyle.GetTextColour().GetColor()
-                                : NULL;
+            GetInsertionPoint();

 
 

-            GdkColor *colBg = m_defaultStyle.HasBackgroundColour()
-                                ? m_defaultStyle.GetBackgroundColour().GetColor()
-                                : NULL;
-
-            gtk_text_insert( GTK_TEXT(m_text), font, colFg, colBg, txt, txtlen );
+            wxGtkTextInsert(m_text, m_defaultStyle, txt, txtlen);

         }
         else // no style
         {
         }
         else // no style
         {

+            gint len = GTK_EDITABLE(m_text)->current_pos;

             gtk_editable_insert_text( GTK_EDITABLE(m_text), txt, txtlen, &len );
         }
 
             gtk_editable_insert_text( GTK_EDITABLE(m_text), txt, txtlen, &len );
         }
 

-        /* bring editable's cursor uptodate. bug in GTK. */
+        // Bring editable's cursor back uptodate.

         GTK_EDITABLE(m_text)->current_pos = gtk_text_get_point( GTK_TEXT(m_text) );
     }
     else // single line
     {
         GTK_EDITABLE(m_text)->current_pos = gtk_text_get_point( GTK_TEXT(m_text) );
     }
     else // single line
     {

-        /* this moves the cursor pos to behind the inserted text */
+        // This moves the cursor pos to behind the inserted text.

         gint len = GTK_EDITABLE(m_text)->current_pos;
         gtk_editable_insert_text( GTK_EDITABLE(m_text), txt, txtlen, &len );
 
         gint len = GTK_EDITABLE(m_text)->current_pos;
         gtk_editable_insert_text( GTK_EDITABLE(m_text), txt, txtlen, &len );
 

-        /* bring editable's cursor uptodate. bug in GTK. */
+        // Bring editable's cursor uptodate.

         GTK_EDITABLE(m_text)->current_pos += text.Len();
 
         GTK_EDITABLE(m_text)->current_pos += text.Len();
 

-        /* bring entry's cursor uptodate. bug in GTK. */
+        // Bring entry's cursor uptodate.

         gtk_entry_set_position( GTK_ENTRY(m_text), GTK_EDITABLE(m_text)->current_pos );
     }
         gtk_entry_set_position( GTK_ENTRY(m_text), GTK_EDITABLE(m_text)->current_pos );
     }

+
+    m_modified = TRUE;

 }
 
 void wxTextCtrl::AppendText( const wxString &text )
 {
 }
 
 void wxTextCtrl::AppendText( const wxString &text )
 {

-    wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
-
-    if ( text.empty() )
-        return;
-
-#if wxUSE_UNICODE
-    wxWX2MBbuf buf = text.mbc_str();
-    const char *txt = buf;
-    size_t txtlen = strlen(buf);
-#else
-    const char *txt = text;
-    size_t txtlen = text.length();
-#endif
+    SetInsertionPointEnd();
+    WriteText( text );
+}

 
 

+wxString wxTextCtrl::GetLineText( long lineNo ) const
+{

     if (m_windowStyle & wxTE_MULTILINE)
     {
     if (m_windowStyle & wxTE_MULTILINE)
     {

-        if ( !m_defaultStyle.IsDefault() )
-        {
-            wxFont font = m_defaultStyle.HasFont() ? m_defaultStyle.GetFont()
-                                                   : m_font;
-            GdkFont *fnt = font.Ok() ? font.GetInternalFont() : NULL;
-
-            wxColour col = m_defaultStyle.HasTextColour()
-                                ? m_defaultStyle.GetTextColour()
-                                : m_foregroundColour;
-            GdkColor *colFg = col.Ok() ? col.GetColor() : NULL;
+        gint len = gtk_text_get_length( GTK_TEXT(m_text) );
+        char *text = gtk_editable_get_chars( GTK_EDITABLE(m_text), 0, len );

 
 

-            col = m_defaultStyle.HasBackgroundColour()
-                    ? m_defaultStyle.GetBackgroundColour()
-                    : m_backgroundColour;
-            GdkColor *colBg = col.Ok() ? col.GetColor() : NULL;
+        if (text)
+        {
+            wxString buf(wxT(""));
+            long i;
+            int currentLine = 0;
+            for (i = 0; currentLine != lineNo && text[i]; i++ )
+                if (text[i] == '\n')
+            currentLine++;
+            // Now get the text
+            int j;
+            for (j = 0; text[i] && text[i] != '\n'; i++, j++ )
+                buf += text[i];

 
 

-            gtk_text_insert( GTK_TEXT(m_text), fnt, colFg, colBg, txt, txtlen );
+            g_free( text );
+            return buf;

         }
         }

-        else // no style
+        else

         {
         {

-            /* we'll insert at the last position */
-            gint len = gtk_text_get_length( GTK_TEXT(m_text) );
-            gtk_editable_insert_text( GTK_EDITABLE(m_text), txt, txtlen, &len );
+            return wxEmptyString;

         }
         }

-
-        /* bring editable's cursor uptodate. bug in GTK. */
-        GTK_EDITABLE(m_text)->current_pos = gtk_text_get_point( GTK_TEXT(m_text) );

     }
     }

-    else // single line
-    {
-        gtk_entry_append_text( GTK_ENTRY(m_text), txt );
-    }
-}
-
-wxString wxTextCtrl::GetLineText( long lineNo ) const
-{
-  if (m_windowStyle & wxTE_MULTILINE)
-  {
-    gint len = gtk_text_get_length( GTK_TEXT(m_text) );
-    char *text = gtk_editable_get_chars( GTK_EDITABLE(m_text), 0, len );
-
-    if (text)
+    else

     {
     {

-        wxString buf(wxT(""));
-        long i;
-        int currentLine = 0;
-        for (i = 0; currentLine != lineNo && text[i]; i++ )
-          if (text[i] == '\n')
-            currentLine++;
-        // Now get the text
-        int j;
-        for (j = 0; text[i] && text[i] != '\n'; i++, j++ )
-            buf += text[i];
-
-        g_free( text );
-        return buf;
+        if (lineNo == 0) return GetValue();
+        return wxEmptyString;

     }
     }

-    else
-      return wxEmptyString;
-  }
-  else
-  {
-    if (lineNo == 0) return GetValue();
-    return wxEmptyString;
-  }

 }
 
 void wxTextCtrl::OnDropFiles( wxDropFilesEvent &WXUNUSED(event) )
 }
 
 void wxTextCtrl::OnDropFiles( wxDropFilesEvent &WXUNUSED(event) )


@@ -823,9 +791,19 @@ void wxTextCtrl::SetSelection( long from, long to )
     gtk_editable_select_region( GTK_EDITABLE(m_text), (gint)from, (gint)to );
 }
 
     gtk_editable_select_region( GTK_EDITABLE(m_text), (gint)from, (gint)to );
 }
 

-void wxTextCtrl::ShowPosition( long WXUNUSED(pos) )
+void wxTextCtrl::ShowPosition( long pos )

 {
 {

-//    SetInsertionPoint( pos );
+    if (m_windowStyle & wxTE_MULTILINE)
+    {
+        GtkAdjustment *vp = GTK_TEXT(m_text)->vadj;
+        float totalLines =  (float) GetNumberOfLines();
+        long posX;
+        long posY;
+        PositionToXY(pos, &posX, &posY);
+        float posLine = (float) posY;
+        float p = (posLine/totalLines)*(vp->upper - vp->lower) + vp->lower;
+        gtk_adjustment_set_value(GTK_TEXT(m_text)->vadj, p);
+    }

 }
 
 long wxTextCtrl::GetInsertionPoint() const
 }
 
 long wxTextCtrl::GetInsertionPoint() const


@@ -996,15 +974,22 @@ void wxTextCtrl::OnChar( wxKeyEvent &key_event )
 
     if ((key_event.KeyCode() == WXK_RETURN) && !(m_windowStyle & wxTE_MULTILINE))
     {
 
     if ((key_event.KeyCode() == WXK_RETURN) && !(m_windowStyle & wxTE_MULTILINE))
     {

+        // This will invoke the dialog default action, such
+        // as the clicking the default button.
+    

         wxWindow *top_frame = m_parent;
         while (top_frame->GetParent() && !(top_frame->IsTopLevel()))
             top_frame = top_frame->GetParent();
         wxWindow *top_frame = m_parent;
         while (top_frame->GetParent() && !(top_frame->IsTopLevel()))
             top_frame = top_frame->GetParent();

-        GtkWindow *window = GTK_WINDOW(top_frame->m_widget);
-
-        if (window->default_widget)
+        
+        if (top_frame && GTK_IS_WINDOW(top_frame->m_widget))

         {
         {

-            gtk_widget_activate (window->default_widget);
-            return;
+            GtkWindow *window = GTK_WINDOW(top_frame->m_widget);
+
+            if (window->default_widget)
+            {
+                gtk_widget_activate (window->default_widget);
+                return;
+            }

         }
     }
 
         }
     }
 


@@ -1029,7 +1014,7 @@ bool wxTextCtrl::SetFont( const wxFont &font )
 {
     wxCHECK_MSG( m_text != NULL, FALSE, wxT("invalid text ctrl") );
 
 {
     wxCHECK_MSG( m_text != NULL, FALSE, wxT("invalid text ctrl") );
 

-    if ( !wxWindowBase::SetFont(font) )
+    if ( !wxTextCtrlBase::SetFont(font) )

     {
         // font didn't change, nothing to do
         return FALSE;
     {
         // font didn't change, nothing to do
         return FALSE;


@@ -1091,7 +1076,7 @@ bool wxTextCtrl::SetBackgroundColour( const wxColour &colour )
     if (!m_widget->window)
         return FALSE;
 
     if (!m_widget->window)
         return FALSE;
 

-    wxColour sysbg = wxSystemSettings::GetSystemColour( wxSYS_COLOUR_BTNFACE );
+    wxColour sysbg = wxSystemSettings::GetColour( wxSYS_COLOUR_BTNFACE );

     if (sysbg.Red() == colour.Red() &&
         sysbg.Green() == colour.Green() &&
         sysbg.Blue() == colour.Blue())
     if (sysbg.Red() == colour.Red() &&
         sysbg.Green() == colour.Green() &&
         sysbg.Blue() == colour.Blue())


@@ -1118,7 +1103,7 @@ bool wxTextCtrl::SetBackgroundColour( const wxColour &colour )
     return TRUE;
 }
 
     return TRUE;
 }
 

-bool wxTextCtrl::SetStyle( long start, long end, const wxTextAttr &style )
+bool wxTextCtrl::SetStyle( long start, long end, const wxTextAttr& style )

 {
     /* VERY dirty way to do that - removes the required text and re-adds it
        with styling (FIXME) */
 {
     /* VERY dirty way to do that - removes the required text and re-adds it
        with styling (FIXME) */


@@ -1152,19 +1137,13 @@ bool wxTextCtrl::SetStyle( long start, long end, const wxTextAttr &style )
         size_t txtlen = tmp.length();
 #endif
 
         size_t txtlen = tmp.length();
 #endif
 

-        GdkFont *font = style.HasFont()
-                            ? style.GetFont().GetInternalFont()
-                            : NULL;
-
-        GdkColor *colFg = style.HasTextColour()
-                            ? style.GetTextColour().GetColor()
-                            : NULL;
-
-        GdkColor *colBg = style.HasBackgroundColour()
-                            ? style.GetBackgroundColour().GetColor()
-                            : NULL;
-
-        gtk_text_insert( GTK_TEXT(m_text), font, colFg, colBg, txt, txtlen );
+        // use the attributes from style which are set in it and fall back
+        // first to the default style and then to the text control default
+        // colours for the others
+        wxGtkTextInsert(m_text,
+                        wxTextAttr::Combine(style, m_defaultStyle, this),
+                        txt,
+                        txtlen);

 
         /* does not seem to help under GTK+ 1.2 !!!
         gtk_editable_set_position( GTK_EDITABLE(m_text), old_pos ); */
 
         /* does not seem to help under GTK+ 1.2 !!!
         gtk_editable_set_position( GTK_EDITABLE(m_text), old_pos ); */