2 Widgets for the Midnight Commander
4 Copyright (C) 1994, 1995, 1996, 1998, 1999, 2000, 2001, 2002, 2003,
5 2004, 2005, 2006, 2007, 2009, 2010, 2011
6 The Free Software Foundation, Inc.
9 Radek Doulik, 1994, 1995
10 Miguel de Icaza, 1994, 1995
12 Andrej Borsenkow, 1996
14 Andrew Borodin <aborodin@vmail.ru>, 2009, 2010
16 This file is part of the Midnight Commander.
18 The Midnight Commander is free software: you can redistribute it
19 and/or modify it under the terms of the GNU General Public License as
20 published by the Free Software Foundation, either version 3 of the License,
21 or (at your option) any later version.
23 The Midnight Commander is distributed in the hope that it will be useful,
24 but WITHOUT ANY WARRANTY; without even the implied warranty of
25 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
26 GNU General Public License for more details.
28 You should have received a copy of the GNU General Public License
29 along with this program. If not, see <http://www.gnu.org/licenses/>.
32 /** \file widget-common.c
33 * \brief Source: shared stuff of widgets
41 #include "lib/global.h"
43 #include "lib/tty/tty.h"
44 #include "lib/tty/color.h"
46 #include "lib/strutil.h"
47 #include "lib/widget.h"
49 /*** global variables ****************************************************************************/
51 /*** file scope macro definitions ****************************************************************/
53 /*** file scope type declarations ****************************************************************/
55 /*** file scope variables ************************************************************************/
57 /*** file scope functions ************************************************************************/
59 /* --------------------------------------------------------------------------------------------- */
60 /*** public functions ****************************************************************************/
61 /* --------------------------------------------------------------------------------------------- */
64 parse_hotkey (const char *text
)
72 /* search for '&', that is not on the of text */
73 cp
= strchr (text
, '&');
74 if (cp
!= NULL
&& cp
[1] != '\0')
76 result
.start
= g_strndup (text
, cp
- text
);
80 p
= str_cget_next_char (cp
);
81 result
.hotkey
= g_strndup (cp
, p
- cp
);
84 result
.end
= g_strdup (cp
);
88 result
.start
= g_strdup (text
);
96 /* --------------------------------------------------------------------------------------------- */
99 release_hotkey (const hotkey_t hotkey
)
101 g_free (hotkey
.start
);
102 g_free (hotkey
.hotkey
);
106 /* --------------------------------------------------------------------------------------------- */
109 hotkey_width (const hotkey_t hotkey
)
113 result
= str_term_width1 (hotkey
.start
);
114 result
+= (hotkey
.hotkey
!= NULL
) ? str_term_width1 (hotkey
.hotkey
) : 0;
115 result
+= (hotkey
.end
!= NULL
) ? str_term_width1 (hotkey
.end
) : 0;
119 /* --------------------------------------------------------------------------------------------- */
122 hotkey_draw (Widget
* w
, const hotkey_t hotkey
, gboolean focused
)
124 widget_selectcolor (w
, focused
, FALSE
);
125 tty_print_string (hotkey
.start
);
127 if (hotkey
.hotkey
!= NULL
)
129 widget_selectcolor (w
, focused
, TRUE
);
130 tty_print_string (hotkey
.hotkey
);
131 widget_selectcolor (w
, focused
, FALSE
);
134 if (hotkey
.end
!= NULL
)
135 tty_print_string (hotkey
.end
);
138 /* --------------------------------------------------------------------------------------------- */
141 init_widget (Widget
* w
, int y
, int x
, int lines
, int cols
,
142 callback_fn callback
, mouse_h mouse_handler
)
148 w
->callback
= callback
;
149 w
->mouse
= mouse_handler
;
152 /* Almost all widgets want to put the cursor in a suitable place */
153 w
->options
= W_WANT_CURSOR
;
156 /* --------------------------------------------------------------------------------------------- */
158 /* Default callback for widgets */
160 default_proc (widget_msg_t msg
, int parm
)
176 return MSG_NOT_HANDLED
;
180 /* --------------------------------------------------------------------------------------------- */
183 widget_set_size (Widget
* widget
, int y
, int x
, int lines
, int cols
)
188 widget
->lines
= lines
;
189 send_message (widget
, WIDGET_RESIZED
, 0 /* unused */ );
192 /* --------------------------------------------------------------------------------------------- */
195 widget_selectcolor (Widget
* w
, gboolean focused
, gboolean hotkey
)
197 Dlg_head
*h
= w
->owner
;
200 if ((w
->options
& W_DISABLED
) != 0)
201 color
= DISABLED_COLOR
;
205 color
= h
->color
[DLG_COLOR_HOT_FOCUS
];
207 color
= h
->color
[DLG_COLOR_HOT_NORMAL
];
212 color
= h
->color
[DLG_COLOR_FOCUS
];
214 color
= h
->color
[DLG_COLOR_NORMAL
];
217 tty_setcolor (color
);
220 /* --------------------------------------------------------------------------------------------- */
223 widget_erase (Widget
* w
)
226 tty_fill_region (w
->y
, w
->x
, w
->lines
, w
->cols
, ' ');
229 /* --------------------------------------------------------------------------------------------- */
231 /* get mouse pointer location within widget */
233 mouse_get_local (const Gpm_Event
* global
, const Widget
* w
)
237 local
.buttons
= global
->buttons
;
238 local
.x
= global
->x
- w
->x
;
239 local
.y
= global
->y
- w
->y
;
240 local
.type
= global
->type
;
245 /* --------------------------------------------------------------------------------------------- */
248 mouse_global_in_widget (const Gpm_Event
* event
, const Widget
* w
)
250 return (event
->x
> w
->x
) && (event
->y
> w
->y
) && (event
->x
<= w
->x
+ w
->cols
)
251 && (event
->y
<= w
->y
+ w
->lines
);
254 /* --------------------------------------------------------------------------------------------- */