+ wxCHECK_MSG( m_text != NULL, FALSE, wxT("invalid text ctrl") );
+
+ if ( !wxControl::SetBackgroundColour( colour ) )
+ return FALSE;
+
+ if (!m_widget->window)
+ return FALSE;
+
+ wxColour sysbg = wxSystemSettings::GetColour( wxSYS_COLOUR_BTNFACE );
+ if (sysbg.Red() == colour.Red() &&
+ sysbg.Green() == colour.Green() &&
+ sysbg.Blue() == colour.Blue())
+ {
+ return FALSE; // FIXME or TRUE?
+ }
+
+ if (!m_backgroundColour.Ok())
+ return FALSE;
+
+ if (m_windowStyle & wxTE_MULTILINE)
+ {
+ GdkWindow *window = GTK_TEXT(m_text)->text_area;
+ if (!window)
+ return FALSE;
+ m_backgroundColour.CalcPixel( gdk_window_get_colormap( window ) );
+ gdk_window_set_background( window, m_backgroundColour.GetColor() );
+ gdk_window_clear( window );
+ }
+
+ // change active background color too
+ m_defaultStyle.SetBackgroundColour( colour );
+
+ return TRUE;
+}
+
+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) */
+ if ( m_windowStyle & wxTE_MULTILINE )
+ {
+ if ( style.IsDefault() )
+ {
+ // nothing to do
+ return TRUE;
+ }
+
+ gint l = gtk_text_get_length( GTK_TEXT(m_text) );
+
+ wxCHECK_MSG( start >= 0 && end <= l, FALSE,
+ _T("invalid range in wxTextCtrl::SetStyle") );
+
+ gint old_pos = gtk_editable_get_position( GTK_EDITABLE(m_text) );
+ char *text = gtk_editable_get_chars( GTK_EDITABLE(m_text), start, end );
+ wxString tmp(text,*wxConvCurrent);
+ g_free( text );
+
+ gtk_editable_delete_text( GTK_EDITABLE(m_text), start, end );
+ gtk_editable_set_position( GTK_EDITABLE(m_text), start );
+
+#if wxUSE_UNICODE
+ wxWX2MBbuf buf = tmp.mbc_str();
+ const char *txt = buf;
+ size_t txtlen = strlen(buf);
+#else
+ const char *txt = tmp;
+ size_t txtlen = tmp.length();
+#endif
+
+ // 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 ); */
+ SetInsertionPoint( old_pos );
+ return TRUE;
+ }
+ else // singe line
+ {
+ // cannot do this for GTK+'s Entry widget
+ return FALSE;
+ }
+}
+
+void wxTextCtrl::ApplyWidgetStyle()
+{
+ if (m_windowStyle & wxTE_MULTILINE)
+ {
+ // how ?
+ }
+ else
+ {
+ SetWidgetStyle();
+ gtk_widget_set_style( m_text, m_widgetStyle );
+ }
+}
+
+void wxTextCtrl::OnCut(wxCommandEvent& WXUNUSED(event))
+{
+ Cut();
+}
+
+void wxTextCtrl::OnCopy(wxCommandEvent& WXUNUSED(event))
+{
+ Copy();
+}
+
+void wxTextCtrl::OnPaste(wxCommandEvent& WXUNUSED(event))
+{
+ Paste();
+}
+
+void wxTextCtrl::OnUndo(wxCommandEvent& WXUNUSED(event))
+{
+ Undo();
+}
+
+void wxTextCtrl::OnRedo(wxCommandEvent& WXUNUSED(event))
+{
+ Redo();
+}
+
+void wxTextCtrl::OnUpdateCut(wxUpdateUIEvent& event)
+{
+ event.Enable( CanCut() );
+}
+
+void wxTextCtrl::OnUpdateCopy(wxUpdateUIEvent& event)
+{
+ event.Enable( CanCopy() );
+}
+
+void wxTextCtrl::OnUpdatePaste(wxUpdateUIEvent& event)
+{
+ event.Enable( CanPaste() );
+}
+
+void wxTextCtrl::OnUpdateUndo(wxUpdateUIEvent& event)
+{
+ event.Enable( CanUndo() );
+}
+
+void wxTextCtrl::OnUpdateRedo(wxUpdateUIEvent& event)
+{
+ event.Enable( CanRedo() );
+}
+
+void wxTextCtrl::OnInternalIdle()
+{
+ wxCursor cursor = m_cursor;
+ if (g_globalCursor.Ok()) cursor = g_globalCursor;
+
+ if (cursor.Ok())
+ {
+ GdkWindow *window = (GdkWindow*) NULL;
+ if (HasFlag(wxTE_MULTILINE))
+ window = GTK_TEXT(m_text)->text_area;
+ else
+ window = GTK_ENTRY(m_text)->text_area;
+
+ if (window)
+ gdk_window_set_cursor( window, cursor.GetCursor() );
+
+ if (!g_globalCursor.Ok())
+ cursor = *wxSTANDARD_CURSOR;
+
+ window = m_widget->window;
+ if ((window) && !(GTK_WIDGET_NO_WINDOW(m_widget)))
+ gdk_window_set_cursor( window, cursor.GetCursor() );
+ }
+
+ UpdateWindowUI();
+}
+
+wxSize wxTextCtrl::DoGetBestSize() const
+{
+ // FIXME should be different for multi-line controls...
+ wxSize ret( wxControl::DoGetBestSize() );
+ return wxSize(80, ret.y);
+}
+
+// ----------------------------------------------------------------------------
+// freeze/thaw
+// ----------------------------------------------------------------------------
+
+void wxTextCtrl::Freeze()
+{
+ if ( HasFlag(wxTE_MULTILINE) )
+ {
+ gtk_text_freeze(GTK_TEXT(m_text));
+ }
+}
+
+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);
projects / wxWidgets.git / blobdiff