Robin Gareus
601c317d70
make libwidget independent of libcanvas. Confine basics to pbd and gtkmm2ext.
106 lines
2.8 KiB
C++
106 lines
2.8 KiB
C++
/*
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Copyright (C) 2011-2014 Paul Davis
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Original Author: Carl Hetherington <cth@carlh.net>
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#ifndef __CANVAS_BOX_H__
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#define __CANVAS_BOX_H__
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#include "canvas/item.h"
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namespace ArdourCanvas
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{
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class Rectangle;
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/** a Container is an item which has no content of its own
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* but renders its children in some geometrical arrangement.
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*
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* Imagined examples of containers:
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*
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* Container: renders each child at the child's self-determined position
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* Box: renders each child along an axis (vertical or horizontal)
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* Table/Grid: renders each child within a two-dimensional grid
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*
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* Other?
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*/
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class LIBCANVAS_API Box : public Item
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{
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public:
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enum Orientation {
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Vertical,
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Horizontal
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};
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Box (Canvas *, Orientation);
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Box (Item *, Orientation);
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Box (Item *, Duple const & position, Orientation);
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void set_spacing (double s);
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void set_padding (double top, double right = -1.0, double bottom = -1.0, double left = -1.0);
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void set_margin (double top, double right = -1.0, double bottom = -1.0, double left = -1.0);
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/* aliases so that CSS box model terms work */
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void set_border_width (double w) { set_outline_width (w); }
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void set_border_color (Gtkmm2ext::Color c) { set_outline_color (c); }
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void add (Item*);
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void pack_start (Item*, double extra_padding = 0);
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void pack_end (Item*, double extra_padding = 0);
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void set_collapse_on_hide (bool);
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void set_homogenous (bool);
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void compute_bounding_box () const;
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void render (Rect const & area, Cairo::RefPtr<Cairo::Context> context) const;
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protected:
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Orientation orientation;
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double spacing;
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double top_padding, right_padding, bottom_padding, left_padding;
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double top_margin, right_margin, bottom_margin, left_margin;
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void child_changed ();
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private:
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Rectangle *self;
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bool collapse_on_hide;
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bool homogenous;
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void reset_self ();
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void reposition_children ();
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};
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class LIBCANVAS_API VBox : public Box
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{
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public:
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VBox (Canvas *);
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VBox (Item *);
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VBox (Item *, Duple const & position);
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};
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class LIBCANVAS_API HBox : public Box
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{
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public:
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HBox (Canvas *);
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HBox (Item *);
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HBox (Item *, Duple const & position);
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};
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}
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#endif
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