This file is indexed.

/usr/include/ganv-1/ganv/Canvas.hpp is in libganv-dev 1.4.2~dfsg0-2.

This file is owned by root:root, with mode 0o644.

The actual contents of the file can be viewed below.

  1
  2
  3
  4
  5
  6
  7
  8
  9
 10
 11
 12
 13
 14
 15
 16
 17
 18
 19
 20
 21
 22
 23
 24
 25
 26
 27
 28
 29
 30
 31
 32
 33
 34
 35
 36
 37
 38
 39
 40
 41
 42
 43
 44
 45
 46
 47
 48
 49
 50
 51
 52
 53
 54
 55
 56
 57
 58
 59
 60
 61
 62
 63
 64
 65
 66
 67
 68
 69
 70
 71
 72
 73
 74
 75
 76
 77
 78
 79
 80
 81
 82
 83
 84
 85
 86
 87
 88
 89
 90
 91
 92
 93
 94
 95
 96
 97
 98
 99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
/* This file is part of Ganv.
 * Copyright 2007-2012 David Robillard <http://drobilla.net>
 *
 * Ganv 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 any later version.
 *
 * Ganv 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 details.
 *
 * You should have received a copy of the GNU General Public License along
 * with Ganv.  If not, see <http://www.gnu.org/licenses/>.
 */

#ifndef GANV_CANVAS_HPP
#define GANV_CANVAS_HPP

#include <string>

#include <glib.h>
#include <glibmm.h>
#include <gtkmm/layout.h>

#include "ganv/canvas.h"
#include "ganv/wrap.hpp"

GANV_GLIB_WRAP(Canvas)

/** Ganv namespace, everything is defined under this.
 *
 * @ingroup Ganv
 */
namespace Ganv {

class Edge;
class Item;
class Node;
class Port;

/** @defgroup Ganv Ganv
 *
 * A canvas widget for graph-like UIs.
 */

/** The 'master' canvas widget which contains all other objects.
 *
 * Applications must override some virtual methods to make the widget actually
 * do anything (e.g. connect).
 *
 * @ingroup Ganv
 */
class Canvas
{
public:
	Canvas(double width, double height);
	virtual	~Canvas();

	GanvItem* root() { return ganv_canvas_root(gobj()); }

	METHOD0(ganv_canvas, clear);
	METHODRET0(ganv_canvas, gboolean, empty)
	METHOD2(ganv_canvas, resize, double, width, double, height);
	METHOD4(ganv_canvas, set_scroll_region, double, x1, double, y1, double, x2, double, y2);
	METHOD4(ganv_canvas, get_scroll_region, double*, x1, double*, y1, double*, x2, double*, y2);
	METHOD1(ganv_canvas, set_center_scroll_region, gboolean, c);
	METHODRET0(ganv_canvas, gboolean, get_center_scroll_region);
	METHOD2(ganv_canvas, scroll_to, int, x, int, y);

	void get_scroll_offsets(int& cx, int& cy) const {
		ganv_canvas_get_scroll_offsets(gobj(), &cx, &cy);
	}

	METHOD1(ganv_canvas, w2c_affine, cairo_matrix_t*, matrix);
	METHOD4(ganv_canvas, w2c, double, wx, double, wy, int*, cx, int*, cy);
	METHOD4(ganv_canvas, w2c_d, double, wx, double, wy, double*, cx, double*, cy);
	METHOD4(ganv_canvas, c2w, int, cx, int, cy, double*, wx, double*, wy);
	METHOD4(ganv_canvas, window_to_world, double, winx, double, winy, double*, worldx, double*, worldy);
	METHOD4(ganv_canvas, world_to_window, double, worldx, double, worldy, double*, winx, double*, winy);

	Item* get_item_at(double x, double y) const;
	Edge* get_edge(Node* tail, Node* head) const;
	void  remove_edge_between(Node* tail, Node* head);
	void  remove_edge(Edge* edge);
	
	METHOD0(ganv_canvas, arrange);
	METHOD1(ganv_canvas, export_dot, const char*, filename);
	METHODRET0(ganv_canvas, gboolean, supports_sprung_layout);
	METHODRET1(ganv_canvas, gboolean, set_sprung_layout, gboolean, sprung_layout);
	METHOD2(ganv_canvas, for_each_node, GanvNodeFunc, f, void*, data)
	METHOD2(ganv_canvas, for_each_selected_node, GanvNodeFunc, f, void*, data)
	METHOD2(ganv_canvas, for_each_edge, GanvEdgeFunc, f, void*, data)
	METHOD3(ganv_canvas, for_each_edge_from,
	        const GanvNode*, tail,
	        GanvEdgeFunc, f,
	        void*, data);
	METHOD3(ganv_canvas, for_each_edge_to,
	        const GanvNode*, head,
	        GanvEdgeFunc, f,
	        void*, data);
	METHOD3(ganv_canvas, for_each_edge_on,
	        const GanvNode*, node,
	        GanvEdgeFunc, f,
	        void*, data);
	METHOD2(ganv_canvas, for_each_selected_edge, GanvEdgeFunc, f, void*, data)

	METHOD0(ganv_canvas, select_all);
	METHOD0(ganv_canvas, clear_selection);
	METHODRET0(ganv_canvas, double, get_zoom);
	METHOD1(ganv_canvas, set_zoom, double, pix_per_unit);
	METHOD0(ganv_canvas, zoom_full);
	METHODRET0(ganv_canvas, double, get_default_font_size)
	METHODRET0(ganv_canvas, double, get_font_size)
	METHOD1(ganv_canvas, set_font_size, double, points);
	METHOD0(ganv_canvas, get_move_cursor);
	METHOD2(ganv_canvas, move_contents_to, double, x, double, y);

	RW_PROPERTY(gboolean, locked);
	RW_PROPERTY(double, width)
	RW_PROPERTY(double, height)
	RW_PROPERTY(GanvDirection, direction);

	Gtk::Layout& widget() {
		return *Glib::wrap(&_gobj->layout);
	}

	GQuark wrapper_key();

	GanvCanvas*       gobj()       { return GANV_CANVAS(_gobj); }
	const GanvCanvas* gobj() const { return GANV_CANVAS(_gobj); }

	sigc::signal<bool, GdkEvent*>    signal_event;
	sigc::signal<void, Node*, Node*> signal_connect;
	sigc::signal<void, Node*, Node*> signal_disconnect;

private:
	Canvas(const Canvas&);  ///< Noncopyable
	const Canvas& operator=(const Canvas&);  ///< Noncopyable

	GanvCanvas* const _gobj;
};

} // namespace Ganv

#endif // GANV_CANVAS_HPP