1 /* The lwlib interface to Athena widgets.
2 Copyright (C) 1993 Chuck Thompson <cthomp@cs.uiuc.edu>
3 Copyright (C) 1994, 2001, 2002, 2003, 2004, 2005, 2006,
4 2007, 2008, 2009 Free Software Foundation, Inc.
6 This file is part of the Lucid Widget Library.
8 The Lucid Widget Library is free software; you can redistribute it and/or
9 modify it under the terms of the GNU General Public License as published by
10 the Free Software Foundation; either version 1, or (at your option)
13 The Lucid Widget Library is distributed in the hope that it will be useful,
14 but WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 GNU General Public License for more details.
18 You should have received a copy of the GNU General Public License
19 along with GNU Emacs; see the file COPYING. If not, write to
20 the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
21 Boston, MA 02110-1301, USA. */
30 #include "../src/lisp.h"
32 #include "lwlib-Xaw.h"
34 #include <X11/StringDefs.h>
35 #include <X11/IntrinsicP.h>
36 #include <X11/CoreP.h>
37 #include <X11/Shell.h>
40 #include <X11/Xaw3d/Scrollbar.h>
41 #include <X11/Xaw3d/Paned.h>
42 #include <X11/Xaw3d/Dialog.h>
43 #include <X11/Xaw3d/Form.h>
44 #include <X11/Xaw3d/Command.h>
45 #include <X11/Xaw3d/Label.h>
46 #else /* !HAVE_XAW3D */
47 #include <X11/Xaw/Scrollbar.h>
48 #include <X11/Xaw/Paned.h>
49 #include <X11/Xaw/Dialog.h>
50 #include <X11/Xaw/Form.h>
51 #include <X11/Xaw/Command.h>
52 #include <X11/Xaw/Label.h>
53 #endif /* HAVE_XAW3D */
55 #include <X11/Xatom.h>
57 static void xaw_generic_callback (/*Widget, XtPointer, XtPointer*/);
61 lw_xaw_widget_p (widget
)
64 return (XtIsSubclass (widget
, scrollbarWidgetClass
) ||
65 XtIsSubclass (widget
, dialogWidgetClass
));
70 xaw_update_scrollbar (instance
, widget
, val
)
71 widget_instance
*instance
;
75 if (val
->scrollbar_data
)
77 scrollbar_values
*data
= val
->scrollbar_data
;
78 Dimension height
, width
;
79 Dimension pos_x
, pos_y
;
80 int widget_shown
, widget_topOfThumb
;
81 float new_shown
, new_topOfThumb
;
83 XtVaGetValues (widget
,
88 XtNtopOfThumb
, &widget_topOfThumb
,
89 XtNshown
, &widget_shown
,
93 * First size and position the scrollbar widget.
94 * We need to position it to second-guess the Paned widget's notion
95 * of what should happen when the WMShell gets resized.
97 if (height
!= data
->scrollbar_height
|| pos_y
!= data
->scrollbar_pos
)
99 XtConfigureWidget (widget
, pos_x
, data
->scrollbar_pos
,
100 width
, data
->scrollbar_height
, 0);
102 XtVaSetValues (widget
,
103 XtNlength
, data
->scrollbar_height
,
109 * Now the size the scrollbar's slider.
111 new_shown
= (float) data
->slider_size
/
112 (float) (data
->maximum
- data
->minimum
);
114 new_topOfThumb
= (float) (data
->slider_position
- data
->minimum
) /
115 (float) (data
->maximum
- data
->minimum
);
122 if (new_topOfThumb
> 1.0)
123 new_topOfThumb
= 1.0;
124 if (new_topOfThumb
< 0)
127 if (new_shown
!= widget_shown
|| new_topOfThumb
!= widget_topOfThumb
)
128 XawScrollbarSetThumb (widget
, new_topOfThumb
, new_shown
);
135 xaw_update_one_widget (widget_instance
*instance
, Widget widget
,
136 widget_value
*val
, Boolean deep_p
)
138 xaw_update_one_widget (instance
, widget
, val
, deep_p
)
139 widget_instance
*instance
;
146 if (XtIsSubclass (widget
, scrollbarWidgetClass
))
148 xaw_update_scrollbar (instance
, widget
, val
);
151 if (XtIsSubclass (widget
, dialogWidgetClass
))
155 XtSetArg (al
[ac
], XtNlabel
, val
->contents
->value
); ac
++;
156 XtSetValues (widget
, al
, ac
);
158 else if (XtIsSubclass (widget
, commandWidgetClass
))
163 XtVaGetValues (widget
, XtNborderWidth
, &bw
, NULL
);
165 /* Don't let buttons end up with 0 borderwidth, that's ugly...
166 Yeah, all this should really be done through app-defaults files
167 or fallback resources, but that's a whole different can of worms
168 that I don't feel like opening right now. Making Athena widgets
169 not look like shit is just entirely too much work.
172 XtSetArg (al
[0], XtNborderWidth
, 1);
173 XtSetValues (widget
, al
, 1);
176 XtSetSensitive (widget
, val
->enabled
);
177 XtSetArg (al
[0], XtNlabel
, val
->value
);
178 /* Force centered button text. Se above. */
179 XtSetArg (al
[1], XtNjustify
, XtJustifyCenter
);
180 XtSetValues (widget
, al
, 2);
181 XtRemoveAllCallbacks (widget
, XtNcallback
);
182 XtAddCallback (widget
, XtNcallback
, xaw_generic_callback
, instance
);
187 xaw_update_one_value (instance
, widget
, val
)
188 widget_instance
*instance
;
192 /* This function is not used by the scrollbars and those are the only
193 Athena widget implemented at the moment so do nothing. */
198 xaw_destroy_instance (instance
)
199 widget_instance
*instance
;
201 if (XtIsSubclass (instance
->widget
, dialogWidgetClass
))
202 /* Need to destroy the Shell too. */
203 XtDestroyWidget (XtParent (instance
->widget
));
205 XtDestroyWidget (instance
->widget
);
209 xaw_popup_menu (widget
, event
)
213 /* An Athena menubar has not been implemented. */
219 xaw_pop_instance (widget_instance
*instance
, Boolean up
)
221 xaw_pop_instance (instance
, up
)
222 widget_instance
*instance
;
226 Widget widget
= instance
->widget
;
230 if (XtIsSubclass (widget
, dialogWidgetClass
))
232 /* For dialogs, we need to call XtPopup on the parent instead
233 of calling XtManageChild on the widget.
234 Also we need to hack the shell's WM_PROTOCOLS to get it to
235 understand what the close box is supposed to do!!
237 Display
*dpy
= XtDisplay (widget
);
238 Widget shell
= XtParent (widget
);
241 props
[i
++] = XInternAtom (dpy
, "WM_DELETE_WINDOW", False
);
242 XChangeProperty (dpy
, XtWindow (shell
),
243 XInternAtom (dpy
, "WM_PROTOCOLS", False
),
244 XA_ATOM
, 32, PropModeAppend
,
245 (unsigned char *) props
, i
);
247 /* Center the widget in its parent. Why isn't this kind of crap
248 done automatically? I thought toolkits were supposed to make
252 unsigned int x
, y
, w
, h
;
253 Widget topmost
= instance
->parent
;
256 w
= shell
->core
.width
;
257 h
= shell
->core
.height
;
258 while (topmost
->core
.parent
&& XtIsRealized (topmost
->core
.parent
))
259 topmost
= topmost
->core
.parent
;
260 if (topmost
->core
.width
< w
) x
= topmost
->core
.x
;
261 else x
= topmost
->core
.x
+ ((topmost
->core
.width
- w
) / 2);
262 if (topmost
->core
.height
< h
) y
= topmost
->core
.y
;
263 else y
= topmost
->core
.y
+ ((topmost
->core
.height
- h
) / 2);
264 /* Using XtMoveWidget caused the widget to come
265 out in the wrong place with vtwm.
266 Question of virtual vs real coords, perhaps. */
267 XtSetArg (args
[0], XtNx
, x
);
268 XtSetArg (args
[1], XtNy
, y
);
269 XtSetValues (shell
, args
, 2);
272 /* Finally, pop it up. */
273 XtPopup (shell
, XtGrabNonexclusive
);
276 XtManageChild (widget
);
280 if (XtIsSubclass (widget
, dialogWidgetClass
))
281 XtUnmanageChild (XtParent (widget
));
283 XtUnmanageChild (widget
);
290 static char overrideTrans
[] =
291 "<Message>WM_PROTOCOLS: lwlib_delete_dialog()";
292 /* Dialogs pop down on any key press */
293 static char dialogOverride
[] =
294 "<KeyPress>Escape: lwlib_delete_dialog()";
295 static void wm_delete_window();
296 static XtActionsRec xaw_actions
[] = {
297 {"lwlib_delete_dialog", wm_delete_window
}
299 static Boolean actions_initted
= False
;
302 make_dialog (name
, parent
, pop_up_p
, shell_title
, icon_name
, text_input_slot
, radio_box
, list
, left_buttons
, right_buttons
)
308 Boolean text_input_slot
;
317 char button_name
[255];
321 XtTranslations override
;
323 if (! pop_up_p
) abort (); /* not implemented */
324 if (text_input_slot
) abort (); /* not implemented */
325 if (radio_box
) abort (); /* not implemented */
326 if (list
) abort (); /* not implemented */
328 if (! actions_initted
)
330 XtAppContext app
= XtWidgetToApplicationContext (parent
);
331 XtAppAddActions (app
, xaw_actions
,
332 sizeof (xaw_actions
) / sizeof (xaw_actions
[0]));
333 actions_initted
= True
;
336 override
= XtParseTranslationTable (overrideTrans
);
339 XtSetArg (av
[ac
], XtNtitle
, shell_title
); ac
++;
340 XtSetArg (av
[ac
], XtNallowShellResize
, True
); ac
++;
342 /* Don't allow any geometry request from the user. */
343 XtSetArg (av
[ac
], XtNgeometry
, 0); ac
++;
345 shell
= XtCreatePopupShell ("dialog", transientShellWidgetClass
,
347 XtOverrideTranslations (shell
, override
);
350 dialog
= XtCreateManagedWidget (name
, dialogWidgetClass
, shell
, av
, ac
);
351 override
= XtParseTranslationTable (dialogOverride
);
352 XtOverrideTranslations (dialog
, override
);
356 for (i
= 0; i
< left_buttons
; i
++)
359 XtSetArg (av
[ac
], XtNfromHoriz
, button
); ac
++;
360 XtSetArg (av
[ac
], XtNleft
, XtChainLeft
); ac
++;
361 XtSetArg (av
[ac
], XtNright
, XtChainLeft
); ac
++;
362 XtSetArg (av
[ac
], XtNtop
, XtChainBottom
); ac
++;
363 XtSetArg (av
[ac
], XtNbottom
, XtChainBottom
); ac
++;
364 XtSetArg (av
[ac
], XtNresizable
, True
); ac
++;
365 sprintf (button_name
, "button%d", ++bc
);
366 button
= XtCreateManagedWidget (button_name
, commandWidgetClass
,
371 /* Create a separator
373 I want the separator to take up the slack between the buttons on
374 the right and the buttons on the left (that is I want the buttons
375 after the separator to be packed against the right edge of the
376 window) but I can't seem to make it do it.
379 XtSetArg (av
[ac
], XtNfromHoriz
, button
); ac
++;
380 /* XtSetArg (av [ac], XtNfromVert, XtNameToWidget (dialog, "label")); ac++; */
381 XtSetArg (av
[ac
], XtNleft
, XtChainLeft
); ac
++;
382 XtSetArg (av
[ac
], XtNright
, XtChainRight
); ac
++;
383 XtSetArg (av
[ac
], XtNtop
, XtChainBottom
); ac
++;
384 XtSetArg (av
[ac
], XtNbottom
, XtChainBottom
); ac
++;
385 XtSetArg (av
[ac
], XtNlabel
, ""); ac
++;
386 XtSetArg (av
[ac
], XtNwidth
, 30); ac
++; /* #### aaack!! */
387 XtSetArg (av
[ac
], XtNborderWidth
, 0); ac
++;
388 XtSetArg (av
[ac
], XtNshapeStyle
, XmuShapeRectangle
); ac
++;
389 XtSetArg (av
[ac
], XtNresizable
, False
); ac
++;
390 XtSetArg (av
[ac
], XtNsensitive
, False
); ac
++;
391 button
= XtCreateManagedWidget ("separator",
392 /* labelWidgetClass, */
393 /* This has to be Command to fake out
394 the Dialog widget... */
398 for (i
= 0; i
< right_buttons
; i
++)
401 XtSetArg (av
[ac
], XtNfromHoriz
, button
); ac
++;
402 XtSetArg (av
[ac
], XtNleft
, XtChainRight
); ac
++;
403 XtSetArg (av
[ac
], XtNright
, XtChainRight
); ac
++;
404 XtSetArg (av
[ac
], XtNtop
, XtChainBottom
); ac
++;
405 XtSetArg (av
[ac
], XtNbottom
, XtChainBottom
); ac
++;
406 XtSetArg (av
[ac
], XtNresizable
, True
); ac
++;
407 sprintf (button_name
, "button%d", ++bc
);
408 button
= XtCreateManagedWidget (button_name
, commandWidgetClass
,
416 xaw_create_dialog (instance
)
417 widget_instance
* instance
;
419 char *name
= instance
->info
->type
;
420 Widget parent
= instance
->parent
;
422 Boolean pop_up_p
= instance
->pop_up_p
;
423 char *shell_name
= 0;
425 Boolean text_input_slot
= False
;
426 Boolean radio_box
= False
;
427 Boolean list
= False
;
429 int left_buttons
= 0;
430 int right_buttons
= 1;
434 icon_name
= "dbox-error";
435 shell_name
= "Error";
439 icon_name
= "dbox-info";
440 shell_name
= "Information";
445 icon_name
= "dbox-question";
446 shell_name
= "Prompt";
450 text_input_slot
= True
;
451 icon_name
= "dbox-question";
452 shell_name
= "Prompt";
456 icon_name
= "dbox-question";
457 shell_name
= "Question";
461 total_buttons
= name
[1] - '0';
463 if (name
[3] == 'T' || name
[3] == 't')
465 text_input_slot
= False
;
469 right_buttons
= name
[4] - '0';
471 left_buttons
= total_buttons
- right_buttons
;
473 widget
= make_dialog (name
, parent
, pop_up_p
,
474 shell_name
, icon_name
, text_input_slot
, radio_box
,
475 list
, left_buttons
, right_buttons
);
482 xaw_generic_callback (widget
, closure
, call_data
)
487 widget_instance
*instance
= (widget_instance
*) closure
;
488 Widget instance_widget
;
492 lw_internal_update_other_instances (widget
, closure
, call_data
);
496 if (widget
->core
.being_destroyed
)
499 instance_widget
= instance
->widget
;
500 if (!instance_widget
)
503 id
= instance
->info
->id
;
507 XtVaGetValues (widget
, XtNuserData
, &user_data
, NULL
);
509 /* Damn! Athena doesn't give us a way to hang our own data on the
510 buttons, so we have to go find it... I guess this assumes that
511 all instances of a button have the same call data. */
513 widget_value
*val
= instance
->info
->val
->contents
;
514 char *name
= XtName (widget
);
517 if (val
->name
&& !strcmp (val
->name
, name
))
522 user_data
= val
->call_data
;
526 if (instance
->info
->selection_cb
)
527 instance
->info
->selection_cb (widget
, id
, user_data
);
531 wm_delete_window (w
, closure
, call_data
)
540 Widget widget
, shell
;
542 if (XtIsSubclass (w
, dialogWidgetClass
))
543 shell
= XtParent (w
);
547 if (! XtIsSubclass (shell
, shellWidgetClass
))
549 XtVaGetValues (shell
, XtNnumChildren
, &nkids
, NULL
);
550 XtVaGetValues (shell
, XtNchildren
, &kids
, NULL
);
553 for (i
= 0; i
< nkids
; i
++)
556 if (XtIsSubclass (widget
, dialogWidgetClass
))
559 id
= lw_get_widget_id (widget
);
563 widget_info
*info
= lw_get_widget_info (id
);
564 if (! info
) abort ();
565 if (info
->selection_cb
)
566 info
->selection_cb (widget
, id
, (XtPointer
) -1);
569 lw_destroy_all_widgets (id
);
577 xaw_scrollbar_scroll (widget
, closure
, call_data
)
582 widget_instance
*instance
= (widget_instance
*) closure
;
584 scroll_event event_data
;
586 if (!instance
|| widget
->core
.being_destroyed
)
589 id
= instance
->info
->id
;
590 event_data
.slider_value
= 0;
593 if ((int) call_data
> 0)
594 event_data
.action
= SCROLLBAR_PAGE_DOWN
;
596 event_data
.action
= SCROLLBAR_PAGE_UP
;
598 if (instance
->info
->pre_activate_cb
)
599 instance
->info
->pre_activate_cb (widget
, id
, (XtPointer
) &event_data
);
605 xaw_scrollbar_jump (widget
, closure
, call_data
)
610 widget_instance
*instance
= (widget_instance
*) closure
;
612 scroll_event event_data
;
613 scrollbar_values
*val
=
614 (scrollbar_values
*) instance
->info
->val
->scrollbar_data
;
617 if (!instance
|| widget
->core
.being_destroyed
)
620 id
= instance
->info
->id
;
622 percent
= * (float *) call_data
;
623 event_data
.slider_value
=
624 (int) (percent
* (float) (val
->maximum
- val
->minimum
)) + val
->minimum
;
627 event_data
.action
= SCROLLBAR_DRAG
;
629 if (instance
->info
->pre_activate_cb
)
630 instance
->info
->pre_activate_cb (widget
, id
, (XtPointer
) &event_data
);
635 xaw_create_scrollbar (instance
)
636 widget_instance
*instance
;
644 XtVaGetValues (instance
->parent
, XtNwidth
, &width
, NULL
);
646 XtSetArg (av
[ac
], XtNshowGrip
, 0); ac
++;
647 XtSetArg (av
[ac
], XtNresizeToPreferred
, 1); ac
++;
648 XtSetArg (av
[ac
], XtNallowResize
, True
); ac
++;
649 XtSetArg (av
[ac
], XtNskipAdjust
, True
); ac
++;
650 XtSetArg (av
[ac
], XtNwidth
, width
); ac
++;
651 XtSetArg (av
[ac
], XtNmappedWhenManaged
, True
); ac
++;
654 XtCreateWidget (instance
->info
->name
, scrollbarWidgetClass
,
655 instance
->parent
, av
, ac
);
657 /* We have to force the border width to be 0 otherwise the
658 geometry manager likes to start looping for awhile... */
659 XtVaSetValues (scrollbar
, XtNborderWidth
, 0, NULL
);
661 XtRemoveAllCallbacks (scrollbar
, "jumpProc");
662 XtRemoveAllCallbacks (scrollbar
, "scrollProc");
664 XtAddCallback (scrollbar
, "jumpProc", xaw_scrollbar_jump
,
665 (XtPointer
) instance
);
666 XtAddCallback (scrollbar
, "scrollProc", xaw_scrollbar_scroll
,
667 (XtPointer
) instance
);
676 xaw_create_main (instance
)
677 widget_instance
*instance
;
682 /* Create a vertical Paned to hold menubar */
684 XtSetArg (al
[ac
], XtNborderWidth
, 0); ac
++;
685 return XtCreateWidget (instance
->info
->name
, panedWidgetClass
,
686 instance
->parent
, al
, ac
);
689 widget_creation_entry
690 xaw_creation_table
[] =
692 {"scrollbar", xaw_create_scrollbar
},
693 {"main", xaw_create_main
},
697 /* arch-tag: fbbd3589-ae1c-41a0-9142-f628cfee6564
698 (do not change this comment) */