2 Widgets for the Midnight Commander
4 Copyright (C) 1994-2017
5 Free Software Foundation, Inc.
8 Radek Doulik, 1994, 1995
9 Miguel de Icaza, 1994, 1995
11 Andrej Borsenkow, 1996
13 Andrew Borodin <aborodin@vmail.ru>, 2009, 2010, 2013, 2016
15 This file is part of the Midnight Commander.
17 The Midnight Commander is free software: you can redistribute it
18 and/or modify it under the terms of the GNU General Public License as
19 published by the Free Software Foundation, either version 3 of the License,
20 or (at your option) any later version.
22 The Midnight Commander is distributed in the hope that it will be useful,
23 but WITHOUT ANY WARRANTY; without even the implied warranty of
24 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
25 GNU General Public License for more details.
27 You should have received a copy of the GNU General Public License
28 along with this program. If not, see <http://www.gnu.org/licenses/>.
32 * \brief Source: WButton widget
39 #include "lib/global.h"
41 #include "lib/tty/tty.h"
42 #include "lib/strutil.h"
43 #include "lib/widget.h"
45 /*** global variables ****************************************************************************/
47 /*** file scope macro definitions ****************************************************************/
49 /*** file scope type declarations ****************************************************************/
51 /*** file scope variables ************************************************************************/
53 /* --------------------------------------------------------------------------------------------- */
54 /*** file scope functions ************************************************************************/
55 /* --------------------------------------------------------------------------------------------- */
57 /* --------------------------------------------------------------------------------------------- */
58 /*** public functions ****************************************************************************/
59 /* --------------------------------------------------------------------------------------------- */
62 button_default_callback (Widget
* w
, Widget
* sender
, widget_msg_t msg
, int parm
, void *data
)
64 WButton
*b
= BUTTON (w
);
65 WDialog
*h
= w
->owner
;
72 * Don't let the default button steal Enter from the current
73 * button. This is a workaround for the flawed event model
74 * when hotkeys are sent to all widgets before the key is
75 * handled by the current widget.
77 if (parm
== '\n' && WIDGET (h
->current
->data
) == w
)
79 send_message (w
, sender
, MSG_KEY
, ' ', data
);
83 if (parm
== '\n' && b
->flags
== DEFPUSH_BUTTON
)
85 send_message (w
, sender
, MSG_KEY
, ' ', data
);
89 if (b
->text
.hotkey
!= NULL
&& g_ascii_tolower ((gchar
) b
->text
.hotkey
[0]) == parm
)
91 send_message (w
, sender
, MSG_KEY
, ' ', data
);
94 return MSG_NOT_HANDLED
;
97 if (parm
!= ' ' && parm
!= '\n')
98 return MSG_NOT_HANDLED
;
100 h
->ret_value
= b
->action
;
101 if (b
->callback
== NULL
|| b
->callback (b
, b
->action
) != 0)
123 widget_move (w
, 0, b
->hotpos
+ off
);
130 focused
= widget_get_state (w
, WST_FOCUSED
);
132 widget_selectcolor (w
, focused
, FALSE
);
133 widget_move (w
, 0, 0);
138 tty_print_string ("[< ");
141 tty_print_string ("[ ");
144 tty_print_string ("[");
151 hotkey_draw (w
, b
->text
, focused
);
156 tty_print_string (" >]");
159 tty_print_string (" ]");
162 tty_print_string ("]");
172 release_hotkey (b
->text
);
176 return widget_default_callback (w
, sender
, msg
, parm
, data
);
180 /* --------------------------------------------------------------------------------------------- */
183 button_mouse_default_callback (Widget
* w
, mouse_msg_t msg
, mouse_event_t
* event
)
193 case MSG_MOUSE_CLICK
:
194 send_message (w
, NULL
, MSG_KEY
, ' ', NULL
);
195 send_message (w
->owner
, w
, MSG_POST_KEY
, ' ', NULL
);
203 /* --------------------------------------------------------------------------------------------- */
206 button_new (int y
, int x
, int action
, button_flags_t flags
, const char *text
, bcback_fn callback
)
211 b
= g_new (WButton
, 1);
216 b
->text
= parse_hotkey (text
);
217 widget_init (w
, y
, x
, 1, button_get_len (b
), button_default_callback
,
218 button_mouse_default_callback
);
219 w
->options
|= WOP_SELECTABLE
| WOP_WANT_CURSOR
| WOP_WANT_HOTKEY
;
220 b
->callback
= callback
;
221 b
->hotpos
= (b
->text
.hotkey
!= NULL
) ? str_term_width1 (b
->text
.start
) : -1;
226 /* --------------------------------------------------------------------------------------------- */
229 button_get_text (const WButton
* b
)
231 if (b
->text
.hotkey
!= NULL
)
232 return g_strconcat (b
->text
.start
, "&", b
->text
.hotkey
, b
->text
.end
, (char *) NULL
);
233 return g_strdup (b
->text
.start
);
236 /* --------------------------------------------------------------------------------------------- */
239 button_set_text (WButton
* b
, const char *text
)
241 Widget
*w
= WIDGET (b
);
243 release_hotkey (b
->text
);
244 b
->text
= parse_hotkey (text
);
245 b
->hotpos
= (b
->text
.hotkey
!= NULL
) ? str_term_width1 (b
->text
.start
) : -1;
246 w
->cols
= button_get_len (b
);
250 /* --------------------------------------------------------------------------------------------- */
253 button_get_len (const WButton
* b
)
255 int ret
= hotkey_width (b
->text
);
276 /* --------------------------------------------------------------------------------------------- */