2 Copyright (C) 1994 Miguel de Icaza.
4 This program is free software; you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published by
6 the Free Software Foundation; either version 2 of the License, or
7 (at your option) any later version.
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU General Public License for more details.
14 You should have received a copy of the GNU General Public License
15 along with this program; if not, write to the Free Software
16 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
21 #include <sys/types.h>
32 #include "key.h" /* For mi_getch() */
37 int menubar_visible
= 1; /* This is the new default */
39 static void menu_scan_hotkey(Menu menu
)
41 char* cp
= strchr (menu
->name
, '&');
43 if (cp
!= NULL
&& cp
[1] != '\0'){
45 menu
->hotkey
= tolower(*cp
);
51 Menu
create_menu (char *name
, menu_entry
*entries
, int count
, char *help_node
)
56 menu
= (Menu
) g_malloc (sizeof (*menu
));
58 menu
->max_entry_len
= 20;
59 menu
->entries
= entries
;
61 if (entries
!= (menu_entry
*) NULL
) {
62 register menu_entry
* mp
;
63 for (mp
= entries
; count
--; mp
++) {
64 if (mp
->text
[0] != '\0') {
66 mp
->text
= _(mp
->text
);
67 #endif /* ENABLE_NLS */
68 cp
= strchr (mp
->text
,'&');
70 if (cp
!= NULL
&& *(cp
+1) != '\0') {
71 mp
->hot_key
= tolower (*(cp
+1));
72 menu
->max_entry_len
= max (strlen (mp
->text
) - 1,
75 menu
->max_entry_len
= max (strlen (mp
->text
),
82 menu
->name
= g_strdup (name
);
83 menu_scan_hotkey(menu
);
85 menu
->help_node
= g_strdup (help_node
);
89 static void menubar_drop_compute (WMenu
*menubar
)
91 menubar
->max_entry_len
= menubar
->menu
[menubar
->selected
]->max_entry_len
;
94 static void menubar_paint_idx (WMenu
*menubar
, int idx
, int color
)
96 const Menu menu
= menubar
->menu
[menubar
->selected
];
97 const int y
= 2 + idx
;
98 int x
= menubar
-> menu
[menubar
->selected
]->start_x
;
100 if (x
+ menubar
->max_entry_len
+ 3 > menubar
->widget
.cols
)
101 x
= menubar
->widget
.cols
- menubar
->max_entry_len
- 3;
103 widget_move (&menubar
->widget
, y
, x
);
105 hline (' ', menubar
->max_entry_len
+2);
106 if (!*menu
->entries
[idx
].text
) {
107 attrset (SELECTED_COLOR
);
108 widget_move (&menubar
->widget
, y
, x
+ 1);
109 hline (slow_terminal
? ' ' : ACS_HLINE
, menubar
->max_entry_len
);
113 addch((unsigned char)menu
->entries
[idx
].first_letter
);
114 for (text
= menu
->entries
[idx
].text
; *text
; text
++)
119 attrset (color
== MENU_SELECTED_COLOR
?
120 MENU_HOTSEL_COLOR
: MENU_HOT_COLOR
);
126 widget_move (&menubar
->widget
, y
, x
+ 1);
129 static inline void menubar_draw_drop (WMenu
*menubar
)
131 const int count
= (menubar
->menu
[menubar
->selected
])->count
;
133 int sel
= menubar
->subsel
;
134 int column
= menubar
-> menu
[menubar
->selected
]->start_x
- 1;
136 if (column
+ menubar
->max_entry_len
+ 4 > menubar
->widget
.cols
)
137 column
= menubar
->widget
.cols
- menubar
->max_entry_len
- 4;
139 attrset (SELECTED_COLOR
);
140 draw_box (menubar
->widget
.parent
,
141 menubar
->widget
.y
+1, menubar
->widget
.x
+ column
,
142 count
+2, menubar
->max_entry_len
+ 4);
145 for (i
= 0; i
< count
; i
++){
148 menubar_paint_idx (menubar
, i
, MENU_ENTRY_COLOR
);
150 menubar_paint_idx (menubar
, sel
, MENU_SELECTED_COLOR
);
153 static void menubar_draw (WMenu
*menubar
)
155 const int items
= menubar
->items
;
158 /* First draw the complete menubar */
159 attrset (SELECTED_COLOR
);
160 widget_move (&menubar
->widget
, 0, 0);
162 /* ncurses bug: it should work with hline but it does not */
163 for (i
= menubar
->widget
.cols
; i
; i
--)
166 attrset (SELECTED_COLOR
);
167 /* Now each one of the entries */
168 for (i
= 0; i
< items
; i
++){
170 attrset(i
== menubar
->selected
?MENU_SELECTED_COLOR
:SELECTED_COLOR
);
171 widget_move (&menubar
->widget
, 0, menubar
->menu
[i
]->start_x
);
172 printw ("%s", menubar
->menu
[i
]->name
);
175 if (menubar
->dropped
)
176 menubar_draw_drop (menubar
);
178 widget_move (&menubar
->widget
, 0,
179 menubar
-> menu
[menubar
->selected
]->start_x
);
182 static inline void menubar_remove (WMenu
*menubar
)
185 if (menubar
->dropped
){
186 menubar
->dropped
= 0;
188 menubar
->dropped
= 1;
192 static void menubar_left (WMenu
*menu
)
194 menubar_remove (menu
);
195 menu
->selected
= (menu
->selected
- 1) % menu
->items
;
196 if (menu
->selected
< 0)
197 menu
->selected
= menu
->items
-1;
198 menubar_drop_compute (menu
);
202 static void menubar_right (WMenu
*menu
)
204 menubar_remove (menu
);
205 menu
->selected
= (menu
->selected
+ 1) % menu
->items
;
206 menubar_drop_compute (menu
);
210 static void menubar_finish (WMenu
*menubar
)
212 menubar
->dropped
= 0;
214 menubar
->widget
.lines
= 1;
215 widget_want_hotkey (menubar
->widget
, 0);
216 dlg_select_nth_widget (menubar
->widget
.parent
,
217 menubar
->previous_selection
);
221 static void menubar_drop (WMenu
*menubar
, int selected
)
223 menubar
->dropped
= 1;
224 menubar
->selected
= selected
;
226 menubar_drop_compute (menubar
);
227 menubar_draw (menubar
);
230 static void menubar_execute (WMenu
*menubar
, int entry
)
232 const Menu menu
= menubar
->menu
[menubar
->selected
];
233 const callfn call_back
= menu
->entries
[entry
].call_back
;
235 is_right
= menubar
->selected
!= 0;
237 /* This used to be the other way round, i.e. first callback and
238 then menubar_finish. The new order (hack?) is needed to make
239 change_panel () work which is used in quick_view_cmd () -- Norbert
241 menubar_finish (menubar
);
246 static void menubar_move (WMenu
*menubar
, int step
)
248 const Menu menu
= menubar
->menu
[menubar
->selected
];
250 menubar_paint_idx (menubar
, menubar
->subsel
, MENU_ENTRY_COLOR
);
252 menubar
->subsel
+= step
;
253 if (menubar
->subsel
< 0)
254 menubar
->subsel
= menu
->count
- 1;
256 menubar
->subsel
%= menu
->count
;
257 } while (!menu
->entries
[menubar
->subsel
].call_back
);
258 menubar_paint_idx (menubar
, menubar
->subsel
, MENU_SELECTED_COLOR
);
261 static int menubar_handle_key (WMenu
*menubar
, int key
)
266 if (key
< 256 && isalpha (key
)) /* Linux libc.so.5.x.x bug fix */
269 if (is_abort_char (key
)){
270 menubar_finish (menubar
);
274 if (key
== KEY_F(1)) {
275 if (menubar
->dropped
) {
276 interactive_display (NULL
,
277 (menubar
->menu
[menubar
->selected
])->help_node
);
279 interactive_display (NULL
, "[Menu Bar]");
281 menubar_draw (menubar
);
285 if (key
== KEY_LEFT
|| key
== XCTRL('b')){
286 menubar_left (menubar
);
288 } else if (key
== KEY_RIGHT
|| key
== XCTRL ('f')){
289 menubar_right (menubar
);
293 /* .ado: NT Alpha can not allow CTRL in Menubar */
294 #if defined(NATIVE_WIN32)
299 if (!menubar
->dropped
){
300 const int items
= menubar
->items
;
301 for (i
= 0; i
< items
; i
++){
302 const Menu menu
= menubar
->menu
[i
];
304 if (menu
->hotkey
== key
){
305 menubar_drop (menubar
, i
);
309 if (key
== KEY_ENTER
|| key
== XCTRL ('n') || key
== KEY_DOWN
311 menubar_drop (menubar
, menubar
->selected
);
316 const int selected
= menubar
->selected
;
317 const Menu menu
= menubar
->menu
[selected
];
318 const int items
= menu
->count
;
320 for (i
= 0; i
< items
; i
++){
321 if (!menu
->entries
[i
].call_back
)
324 if (key
!= menu
->entries
[i
].hot_key
)
327 menubar_execute (menubar
, i
);
331 if (key
== KEY_ENTER
|| key
== '\n'){
332 menubar_execute (menubar
, menubar
->subsel
);
337 if (key
== KEY_DOWN
|| key
== XCTRL ('n'))
338 menubar_move (menubar
, 1);
340 if (key
== KEY_UP
|| key
== XCTRL ('p'))
341 menubar_move (menubar
, -1);
346 static int menubar_callback (Dlg_head
*h
, WMenu
*menubar
, int msg
, int par
)
349 /* We do not want the focus unless we have been activated */
351 if (menubar
->active
){
352 widget_want_cursor (menubar
->widget
, 1);
354 /* Trick to get all the mouse events */
355 menubar
->widget
.lines
= LINES
;
357 /* Trick to get all of the hotkeys */
358 widget_want_hotkey (menubar
->widget
, 1);
360 menubar_drop_compute (menubar
);
361 menubar_draw (menubar
);
366 /* We don't want the buttonbar to activate while using the menubar */
369 if (menubar
->active
){
370 menubar_handle_key (menubar
, par
);
376 /* Put the cursor in a suitable place */
383 widget_want_cursor (menubar
->widget
, 0);
389 menubar_draw (menubar
);
391 return default_proc (h
, msg
, par
);
395 menubar_event (Gpm_Event
*event
, WMenu
*menubar
)
399 int left_x
, right_x
, bottom_y
;
401 if (!(event
->type
& (GPM_UP
|GPM_DOWN
|GPM_DRAG
)))
404 if (!menubar
->dropped
){
405 menubar
->previous_selection
= dlg_item_number(menubar
->widget
.parent
);
407 menubar
->dropped
= 1;
412 /* Mouse operations on the menubar */
413 if (event
->y
== 1 || !was_active
){
414 if (event
->type
& GPM_UP
)
418 while (new_selection
< menubar
->items
419 && event
->x
> menubar
->menu
[new_selection
]->start_x
423 if (new_selection
) /* Don't set the invalid value -1 */
427 menubar
->selected
= new_selection
;
428 dlg_select_widget (menubar
->widget
.parent
, menubar
);
429 menubar_drop_compute (menubar
);
430 menubar_draw (menubar
);
434 menubar_remove (menubar
);
436 menubar
->selected
= new_selection
;
438 menubar_drop_compute (menubar
);
439 menubar_draw (menubar
);
443 if (!menubar
->dropped
)
446 /* Ignore the events on anything below the third line */
450 /* Else, the mouse operation is on the menus or it is not */
451 left_x
= menubar
->menu
[menubar
->selected
]->start_x
;
452 right_x
= left_x
+ menubar
->max_entry_len
+ 4;
453 if (right_x
> menubar
->widget
.cols
)
455 left_x
= menubar
->widget
.cols
- menubar
->max_entry_len
- 3;
456 right_x
= menubar
->widget
.cols
- 1;
459 bottom_y
= (menubar
->menu
[menubar
->selected
])->count
+ 3;
461 if ((event
->x
> left_x
) && (event
->x
< right_x
) && (event
->y
< bottom_y
)){
462 int pos
= event
->y
- 3;
464 if (!menubar
->menu
[menubar
->selected
]->entries
[pos
].call_back
)
467 menubar_paint_idx (menubar
, menubar
->subsel
, MENU_ENTRY_COLOR
);
468 menubar
->subsel
= pos
;
469 menubar_paint_idx (menubar
, menubar
->subsel
, MENU_SELECTED_COLOR
);
471 if (event
->type
& GPM_UP
)
472 menubar_execute (menubar
, pos
);
474 if (event
->type
& GPM_DOWN
)
475 menubar_finish (menubar
);
480 static void menubar_destroy (WMenu
*menubar
)
485 * Properly space menubar items. Should be called when menubar is created
486 * and also when widget width is changed (i.e. upon xterm resize).
489 menubar_arrange(WMenu
* menubar
)
491 register int i
, start_x
= 1;
492 int items
= menubar
->items
;
494 #ifndef RESIZABLE_MENUBAR
497 for (i
= 0; i
< items
; i
++)
499 int len
= strlen(menubar
->menu
[i
]->name
);
500 menubar
->menu
[i
]->start_x
= start_x
;
501 start_x
+= len
+ gap
;
504 #else /* RESIZABLE_MENUBAR */
506 int gap
= menubar
->widget
.cols
- 2;
508 /* First, calculate gap between items... */
509 for (i
= 0; i
< items
; i
++)
511 /* preserve length here, to be used below */
512 gap
-= (menubar
->menu
[i
]->start_x
= strlen(menubar
->menu
[i
]->name
));
519 /* We are out of luck - window is too narrow... */
523 /* ...and now fix start positions of menubar items */
524 for (i
= 0; i
< items
; i
++)
526 int len
= menubar
->menu
[i
]->start_x
;
527 menubar
->menu
[i
]->start_x
= start_x
;
528 start_x
+= len
+ gap
;
530 #endif /* RESIZABLE_MENUBAR */
534 destroy_menu (Menu menu
)
537 g_free (menu
->help_node
);
541 WMenu
*menubar_new (int y
, int x
, int cols
, Menu menu
[], int items
)
543 WMenu
*menubar
= g_new0 (WMenu
, 1); /* FIXME: subsel used w/o being set */
545 init_widget (&menubar
->widget
, y
, x
, 1, cols
,
546 (callback_fn
) menubar_callback
,
547 (destroy_fn
) menubar_destroy
,
548 (mouse_h
) menubar_event
, NULL
);
549 menubar
->menu
= menu
;
551 menubar
->dropped
= 0;
552 menubar
->items
= items
;
553 menubar
->selected
= 0;
554 widget_want_cursor (menubar
->widget
, 0);
555 menubar_arrange(menubar
);