Initial import of Dillo

dw/ruler.cc

@@ -0,0 +1,100 @@
+/*
+ * Dillo Widget
+ *
+ * Copyright 2005-2007 Sebastian Geerken <sgeerken@dillo.org>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+
+
+#include "ruler.hh"
+#include "../lout/misc.hh"
+
+#include <stdio.h>
+
+namespace dw {
+
+int Ruler::CLASS_ID = -1;
+
+Ruler::Ruler ()
+{
+   DBG_OBJ_CREATE ("dw::Ruler");
+   registerName ("dw::Ruler", &CLASS_ID);
+}
+
+Ruler::~Ruler ()
+{
+   DBG_OBJ_DELETE ();
+}
+
+void Ruler::sizeRequestSimpl (core::Requisition *requisition)
+{
+   requisition->width = lout::misc::max (getAvailWidth (true), boxDiffWidth ());
+   requisition->ascent = boxOffsetY ();
+   requisition->descent = boxRestHeight ();
+}
+
+void Ruler::getExtremesSimpl (core::Extremes *extremes)
+{
+   extremes->minWidth = extremes->maxWidth = boxDiffWidth ();
+   extremes->minWidthIntrinsic = extremes->minWidth;
+   extremes->maxWidthIntrinsic = extremes->maxWidth;
+   correctExtremes (extremes, false);
+   extremes->adjustmentWidth =
+      lout::misc::min (extremes->minWidthIntrinsic, extremes->minWidth);
+}
+
+bool Ruler::isBlockLevel ()
+{
+   return true;
+}
+
+void Ruler::containerSizeChangedForChildren ()
+{
+   DBG_OBJ_ENTER0 ("resize", 0, "containerSizeChangedForChildren");
+   // Nothing to do.
+   DBG_OBJ_LEAVE ();
+}
+
+bool Ruler::usesAvailWidth ()
+{
+   return true;
+}
+
+void Ruler::draw (core::View *view, core::Rectangle *area,
+                  core::DrawingContext *context)
+{
+   drawWidgetBox (view, area, false);
+}
+
+core::Widget *Ruler::getWidgetAtPoint (int x, int y,
+                                       core::GettingWidgetAtPointContext
+                                       *context)
+{
+   // Override (complex) implementation OOFAwareWidget::getWidgetAtPoint().
+
+   if (inAllocation (x, y))
+      return this;
+   else
+      return NULL;
+}
+
+core::Iterator *Ruler::iterator (core::Content::Type mask, bool atEnd)
+{
+   /** \todo TextIterator? */
+   return new core::EmptyIterator (this, mask, atEnd);
+}
+
+} // namespace dw