106 lines
2.8 KiB
C++
106 lines
2.8 KiB
C++
/*
|
|
Copyright (C) 2011-2014 Paul Davis
|
|
Original Author: Carl Hetherington <cth@carlh.net>
|
|
|
|
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 2 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, write to the Free Software
|
|
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
|
|
*/
|
|
|
|
#ifndef __CANVAS_BOX_H__
|
|
#define __CANVAS_BOX_H__
|
|
|
|
#include "canvas/item.h"
|
|
|
|
namespace ArdourCanvas
|
|
{
|
|
|
|
class Rectangle;
|
|
|
|
/** a Container is an item which has no content of its own
|
|
* but renders its children in some geometrical arrangement.
|
|
*
|
|
* Imagined examples of containers:
|
|
*
|
|
* Container: renders each child at the child's self-determined position
|
|
* Box: renders each child along an axis (vertical or horizontal)
|
|
* Table/Grid: renders each child within a two-dimensional grid
|
|
*
|
|
* Other?
|
|
*/
|
|
class LIBCANVAS_API Box : public Item
|
|
{
|
|
public:
|
|
enum Orientation {
|
|
Vertical,
|
|
Horizontal
|
|
};
|
|
|
|
Box (Canvas *, Orientation);
|
|
Box (Item *, Orientation);
|
|
Box (Item *, Duple const & position, Orientation);
|
|
|
|
void set_spacing (double s);
|
|
void set_padding (double top, double right = -1.0, double bottom = -1.0, double left = -1.0);
|
|
void set_margin (double top, double right = -1.0, double bottom = -1.0, double left = -1.0);
|
|
|
|
/* aliases so that CSS box model terms work */
|
|
void set_border_width (double w) { set_outline_width (w); }
|
|
void set_border_color (Color c) { set_outline_color (c); }
|
|
|
|
void add (Item*);
|
|
void pack_start (Item*, double extra_padding = 0);
|
|
void pack_end (Item*, double extra_padding = 0);
|
|
|
|
void set_collapse_on_hide (bool);
|
|
void set_homogenous (bool);
|
|
|
|
void compute_bounding_box () const;
|
|
void render (Rect const & area, Cairo::RefPtr<Cairo::Context> context) const;
|
|
|
|
protected:
|
|
Orientation orientation;
|
|
double spacing;
|
|
double top_padding, right_padding, bottom_padding, left_padding;
|
|
double top_margin, right_margin, bottom_margin, left_margin;
|
|
|
|
void child_changed ();
|
|
private:
|
|
Rectangle *self;
|
|
bool collapse_on_hide;
|
|
bool homogenous;
|
|
|
|
void reset_self ();
|
|
void reposition_children ();
|
|
};
|
|
|
|
class LIBCANVAS_API VBox : public Box
|
|
{
|
|
public:
|
|
VBox (Canvas *);
|
|
VBox (Item *);
|
|
VBox (Item *, Duple const & position);
|
|
};
|
|
|
|
class LIBCANVAS_API HBox : public Box
|
|
{
|
|
public:
|
|
HBox (Canvas *);
|
|
HBox (Item *);
|
|
HBox (Item *, Duple const & position);
|
|
};
|
|
|
|
}
|
|
|
|
#endif
|