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
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
|
/*
* Zapping TV viewer
*
* Copyright (C) 2000, 2001, 2002 Iaki Garca Etxebarria
* Copyright (C) 2000, 2001, 2002, 2003, 2004 Michael H. Schimek
*
* 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.
*/
/* $Id: view.h,v 1.3 2005/09/01 01:40:53 mschimek Exp $ */
#ifndef TELETEXT_VIEW_H
#define TELETEXT_VIEW_H
#include <gtk/gtk.h>
#include "libvbi/page.h" /* vbi3_page, vbi3_pgno, vbi3_subno */
#include "libvbi/link.h" /* vbi3_link */
#include "libvbi/vbi_decoder.h"
#include "page_num.h"
#include "toolbar.h"
G_BEGIN_DECLS
#define TYPE_TELETEXT_VIEW (teletext_view_get_type ())
#define TELETEXT_VIEW(obj) \
(G_TYPE_CHECK_INSTANCE_CAST ((obj), TYPE_TELETEXT_VIEW, TeletextView))
#define TELETEXT_VIEW_CLASS(klass) \
(G_TYPE_CHECK_CLASS_CAST ((klass), TYPE_TELETEXT_VIEW, TeletextViewClass))
#define IS_TELETEXT_VIEW(obj) \
(G_TYPE_CHECK_INSTANCE_TYPE ((obj), TYPE_TELETEXT_VIEW))
#define IS_TELETEXT_VIEW_CLASS(klass) \
(G_TYPE_CHECK_CLASS_TYPE ((klass), TYPE_TELETEXT_VIEW))
#define TELETEXT_VIEW_GET_CLASS(obj) \
(G_TYPE_INSTANCE_GET_CLASS ((obj), TYPE_TELETEXT_VIEW, TeletextViewClass))
typedef struct _TeletextView TeletextView;
typedef struct _TeletextViewClass TeletextViewClass;
/**
* The blink of items in the page is done by applying the patch once
* every second (whenever the client wishes) to the apropriate places
* on the screen.
*/
struct ttx_patch {
guint column;
guint row;
gint width, height; /* geometry of the patch */
gint sx, sy;
gint sw, sh;
gint dx, dy;
GdkPixbuf * unscaled_on; /* unscaled image, flash on */
GdkPixbuf * unscaled_off; /* unscaled image, flash off or NULL */
GdkPixbuf * scaled_on; /* scaled image, flash on */
GdkPixbuf * scaled_off; /* scaled image, flash off or NULL */
guint columns; /* text columns covered */
gint phase; /* flash phase */
gboolean flash; /* flashing patch */
gboolean dirty; /* image changed */
};
struct _TeletextView
{
GtkDrawingArea darea;
TeletextToolbar * toolbar;
GtkStatusbar * appbar;
GtkActionGroup * action_group;
void
(* show_page) (TeletextView * view,
vbi3_page * pg);
gboolean
(* load_page) (TeletextView * view,
const vbi3_network * nk,
vbi3_pgno pgno,
vbi3_subno subno);
gboolean
(* switch_network) (TeletextView * view,
const vbi3_network * nk);
GtkWidget *
(* popup_menu) (TeletextView * view,
const vbi3_link * ld,
gboolean large);
gboolean
(* link_from_pointer_position)
(TeletextView * view,
vbi3_link * ld,
gint x,
gint y);
gboolean
(* set_charset) (TeletextView * view,
vbi3_charset_code charset_code);
/* ugly hack */
void (* client_redraw)(TeletextView * view,
unsigned int width,
unsigned int height);
gboolean (* key_press)(TeletextView * view,
GdkEventKey * event);
int (* cur_pgno)(TeletextView * view);
/*< private >*/
vbi3_decoder * vbi;
vbi3_pgno entered_pgno; /* page number being entered */
page_num req; /* requested page */
vbi3_charset_code override_charset;
vbi3_page * pg; /* displayed page (shared, r/o) */
gboolean freezed; /* no refresh (header / subpages) */
GdkPixbuf * unscaled_on; /* unscaled image of pg, flash on */
GdkPixbuf * unscaled_off; /* unscaled image of pg, flash off */
GdkPixbuf * scaled_on; /* scaled image of pg, flash on */
struct ttx_patch * patches; /* patches to be applied */
guint n_patches;
guint blink_timeout_id;
guint32 last_key_press_event_time; /* repeat key kludge */
gboolean deferred_load;
struct {
guint timeout_id;
vbi3_network network;
vbi3_pgno pgno;
vbi3_subno subno;
} deferred;
struct {
page_num stack [25];
guint top;
guint size;
} history;
gboolean hold; /* hold the current subpage */
gboolean reveal; /* reveal concealed text */
gboolean cursor_over_link;
gboolean selecting;
struct {
gint start_x;
gint start_y;
gint last_x;
gint last_y;
gboolean table_mode;
gboolean rtl_mode;
gboolean reveal; /* at select time */
vbi3_page * pg; /* selected text */
gint column1; /* selected text */
gint row1;
gint column2;
gint row2;
cairo_t * xor_gc; /* gfx context for xor mask */
/* selected text "sent" to */
gboolean in_clipboard; /* X11 "CLIPBOARD" */
gboolean in_selection; /* GDK primary selection */
} select;
GtkWidget * search_dialog;
};
struct _TeletextViewClass
{
GtkDrawingAreaClass parent_class;
/* Signals. */
void (*request_changed)(TeletextView *view);
void (*charset_changed)(TeletextView *view);
};
extern GType
teletext_view_get_type (void) G_GNUC_CONST;
GtkWidget *
teletext_view_new (void);
extern TeletextView *
teletext_view_from_widget (GtkWidget * widget);
extern guint
ttxview_hotlist_menu_insert (GtkMenuShell * menu,
gboolean separator,
gint position);
G_END_DECLS
#endif /* TELETEXT_VIEW_H */
|
