[go: up one dir, main page]

File: gntline.c

package info (click to toggle)
libgnt 2.14.4-1.2
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid, trixie
  • size: 976 kB
  • sloc: ansic: 14,752; xml: 117; makefile: 10
file content (175 lines) | stat: -rw-r--r-- 4,209 bytes parent folder | download | duplicates (3)
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
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
/*
 * GNT - The GLib Ncurses Toolkit
 *
 * GNT is the legal property of its developers, whose names are too numerous
 * to list here.  Please refer to the COPYRIGHT file distributed with this
 * source distribution.
 *
 * This library 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., 51 Franklin Street, Fifth Floor, Boston, MA  02111-1301  USA
 */

#include "gntinternal.h"
#include "gntline.h"

enum
{
	PROP_0,
	PROP_VERTICAL
};

enum
{
	SIGS = 1,
};

static GntWidgetClass *parent_class = NULL;

static void
gnt_line_draw(GntWidget *widget)
{
	GntLine *line = GNT_LINE(widget);
	if (line->vertical)
		mvwvline(widget->window, 1, 0, ACS_VLINE | gnt_color_pair(GNT_COLOR_NORMAL),
				widget->priv.height - 2);
	else
		mvwhline(widget->window, 0, 1, ACS_HLINE | gnt_color_pair(GNT_COLOR_NORMAL),
				widget->priv.width - 2);
}

static void
gnt_line_size_request(GntWidget *widget)
{
	if (GNT_LINE(widget)->vertical)
	{
		widget->priv.width = 1;
		widget->priv.height = 5;
	}
	else
	{
		widget->priv.width = 5;
		widget->priv.height = 1;
	}
}

static void
gnt_line_map(GntWidget *widget)
{
	if (widget->priv.width == 0 || widget->priv.height == 0)
		gnt_widget_size_request(widget);
	GNTDEBUG;
}

static void
gnt_line_set_property(GObject *obj, guint prop_id, const GValue *value,
		GParamSpec *spec)
{
	GntLine *line = GNT_LINE(obj);
	switch (prop_id) {
		case PROP_VERTICAL:
			line->vertical = g_value_get_boolean(value);
			if (line->vertical) {
				gnt_widget_set_grow_y(GNT_WIDGET(line), TRUE);
			} else {
				gnt_widget_set_grow_x(GNT_WIDGET(line), TRUE);
			}
			break;
		default:
			break;
	}
}

static void
gnt_line_get_property(GObject *obj, guint prop_id, GValue *value,
		GParamSpec *spec)
{
	GntLine *line = GNT_LINE(obj);
	switch (prop_id) {
		case PROP_VERTICAL:
			g_value_set_boolean(value, line->vertical);
			break;
		default:
			break;
	}
}

static void
gnt_line_class_init(GntLineClass *klass)
{
	GObjectClass *gclass = G_OBJECT_CLASS(klass);
	parent_class = GNT_WIDGET_CLASS(klass);
	parent_class->draw = gnt_line_draw;
	parent_class->map = gnt_line_map;
	parent_class->size_request = gnt_line_size_request;

	gclass->set_property = gnt_line_set_property;
	gclass->get_property = gnt_line_get_property;
	g_object_class_install_property(gclass,
			PROP_VERTICAL,
			g_param_spec_boolean("vertical", "Vertical",
				"Whether it's a vertical line or a horizontal one.",
				TRUE,
				G_PARAM_READWRITE|G_PARAM_STATIC_NAME|G_PARAM_STATIC_NICK|G_PARAM_STATIC_BLURB
			)
		);
}

static void
gnt_line_init(GTypeInstance *instance, gpointer class)
{
	GntWidget *widget = GNT_WIDGET(instance);
	gnt_widget_set_has_shadow(widget, FALSE);
	gnt_widget_set_has_border(widget, FALSE);
	widget->priv.minw = 1;
	widget->priv.minh = 1;
	GNTDEBUG;
}

/******************************************************************************
 * GntLine API
 *****************************************************************************/
GType
gnt_line_get_gtype(void)
{
	static GType type = 0;

	if(type == 0)
	{
		static const GTypeInfo info = {
			sizeof(GntLineClass),
			NULL,					/* base_init		*/
			NULL,					/* base_finalize	*/
			(GClassInitFunc)gnt_line_class_init,
			NULL,					/* class_finalize	*/
			NULL,					/* class_data		*/
			sizeof(GntLine),
			0,						/* n_preallocs		*/
			gnt_line_init,			/* instance_init	*/
			NULL					/* value_table		*/
		};

		type = g_type_register_static(GNT_TYPE_WIDGET,
									  "GntLine",
									  &info, 0);
	}

	return type;
}

GntWidget *gnt_line_new(gboolean vertical)
{
	GntWidget *widget = g_object_new(GNT_TYPE_LINE, "vertical", vertical, NULL);
	return widget;
}