1 /* Implements a lightweight menubar widget.
2 Copyright (C) 1992 Lucid, Inc.
4 This file is part of the Lucid Widget Library.
6 The Lucid Widget Library is free software; you can redistribute it and/or
7 modify it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 2, or (at your option)
11 The Lucid Widget Library is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
16 You should have received a copy of the GNU General Public License
17 along with GNU Emacs; see the file COPYING. If not, write to the
18 Free Software Foundation, Inc., 59 Temple Place - Suite 330,
19 Boston, MA 02111-1307, USA. */
21 /* Created by devin@lucid.com */
29 #include <sys/types.h>
31 #include <X11/IntrinsicP.h>
32 #include <X11/ObjectP.h>
33 #include <X11/StringDefs.h>
34 #include <X11/cursorfont.h>
39 /* Defined in xfns.c. When config.h defines `static' as empty, we get
40 redefinition errors when gray_bitmap is included more than once, so
41 we're referring to the one include in xfns.c here. */
43 extern int gray_bitmap_width
;
44 extern int gray_bitmap_height
;
45 extern unsigned char *gray_bitmap_bits
;
47 /* Defined in xterm.c. */
48 extern int x_alloc_nearest_color_for_widget
__P ((Widget
, Colormap
, XColor
*));
49 extern int x_alloc_lighter_color_for_widget
__P ((Widget
, Display
*, Colormap
,
52 extern int x_catch_errors
__P ((Display
*));
53 extern int x_uncatch_errors
__P ((Display
*, int));
54 extern int x_had_errors_p
__P ((Display
*));
55 extern int x_clear_errors
__P ((Display
*));
56 extern unsigned long x_copy_dpy_color
__P ((Display
*, Colormap
,
59 /* Defined in xfaces.c. */
60 extern void x_free_dpy_colors
__P ((Display
*, Screen
*, Colormap
,
61 unsigned long *pixels
, int npixels
));
64 #include <X11/bitmaps/gray>
65 #define gray_bitmap_width gray_width
66 #define gray_bitmap_height gray_height
67 #define gray_bitmap_bits gray_bits
69 #endif /* not emacs */
71 static int pointer_grabbed
;
72 static XEvent menu_post_event
;
74 XFontStruct
*xlwmenu_default_font
;
77 xlwMenuTranslations
[] =
78 "<BtnDown>: start()\n\
81 <Key>Shift_L: nothing()\n\
82 <Key>Shift_R: nothing()\n\
83 <Key>Meta_L: nothing()\n\
84 <Key>Meta_R: nothing()\n\
85 <Key>Control_L: nothing()\n\
86 <Key>Control_R: nothing()\n\
87 <Key>Hyper_L: nothing()\n\
88 <Key>Hyper_R: nothing()\n\
89 <Key>Super_L: nothing()\n\
90 <Key>Super_R: nothing()\n\
91 <Key>Alt_L: nothing()\n\
92 <Key>Alt_R: nothing()\n\
93 <Key>Caps_Lock: nothing()\n\
94 <Key>Shift_Lock: nothing()\n\
95 <KeyUp>Shift_L: nothing()\n\
96 <KeyUp>Shift_R: nothing()\n\
97 <KeyUp>Meta_L: nothing()\n\
98 <KeyUp>Meta_R: nothing()\n\
99 <KeyUp>Control_L: nothing()\n\
100 <KeyUp>Control_R: nothing()\n\
101 <KeyUp>Hyper_L: nothing()\n\
102 <KeyUp>Hyper_R: nothing()\n\
103 <KeyUp>Super_L: nothing()\n\
104 <KeyUp>Super_R: nothing()\n\
105 <KeyUp>Alt_L: nothing()\n\
106 <KeyUp>Alt_R: nothing()\n\
107 <KeyUp>Caps_Lock: nothing()\n\
108 <KeyUp>Shift_Lock:nothing()\n\
113 #define offset(field) XtOffset(XlwMenuWidget, field)
117 {XtNfont
, XtCFont
, XtRFontStruct
, sizeof(XFontStruct
*),
118 offset(menu
.font
),XtRString
, "XtDefaultFont"},
119 {XtNforeground
, XtCForeground
, XtRPixel
, sizeof(Pixel
),
120 offset(menu
.foreground
), XtRString
, "XtDefaultForeground"},
121 {XtNbuttonForeground
, XtCButtonForeground
, XtRPixel
, sizeof(Pixel
),
122 offset(menu
.button_foreground
), XtRString
, "XtDefaultForeground"},
123 {XtNmargin
, XtCMargin
, XtRDimension
, sizeof(Dimension
),
124 offset(menu
.margin
), XtRImmediate
, (XtPointer
) 4},
125 {XtNhorizontalSpacing
, XtCMargin
, XtRDimension
, sizeof(Dimension
),
126 offset(menu
.horizontal_spacing
), XtRImmediate
, (XtPointer
)3},
127 {XtNverticalSpacing
, XtCMargin
, XtRDimension
, sizeof(Dimension
),
128 offset(menu
.vertical_spacing
), XtRImmediate
, (XtPointer
)1},
129 {XtNarrowSpacing
, XtCMargin
, XtRDimension
, sizeof(Dimension
),
130 offset(menu
.arrow_spacing
), XtRImmediate
, (XtPointer
)10},
132 {XmNshadowThickness
, XmCShadowThickness
, XtRDimension
,
133 sizeof (Dimension
), offset (menu
.shadow_thickness
),
134 XtRImmediate
, (XtPointer
) 2},
135 {XmNtopShadowColor
, XmCTopShadowColor
, XtRPixel
, sizeof (Pixel
),
136 offset (menu
.top_shadow_color
), XtRImmediate
, (XtPointer
)-1},
137 {XmNbottomShadowColor
, XmCBottomShadowColor
, XtRPixel
, sizeof (Pixel
),
138 offset (menu
.bottom_shadow_color
), XtRImmediate
, (XtPointer
)-1},
139 {XmNtopShadowPixmap
, XmCTopShadowPixmap
, XtRPixmap
, sizeof (Pixmap
),
140 offset (menu
.top_shadow_pixmap
), XtRImmediate
, (XtPointer
)None
},
141 {XmNbottomShadowPixmap
, XmCBottomShadowPixmap
, XtRPixmap
, sizeof (Pixmap
),
142 offset (menu
.bottom_shadow_pixmap
), XtRImmediate
, (XtPointer
)None
},
144 {XtNopen
, XtCCallback
, XtRCallback
, sizeof(XtPointer
),
145 offset(menu
.open
), XtRCallback
, (XtPointer
)NULL
},
146 {XtNselect
, XtCCallback
, XtRCallback
, sizeof(XtPointer
),
147 offset(menu
.select
), XtRCallback
, (XtPointer
)NULL
},
148 {XtNhighlightCallback
, XtCCallback
, XtRCallback
, sizeof(XtPointer
),
149 offset(menu
.highlight
), XtRCallback
, (XtPointer
)NULL
},
150 {XtNmenu
, XtCMenu
, XtRPointer
, sizeof(XtPointer
),
151 offset(menu
.contents
), XtRImmediate
, (XtPointer
)NULL
},
152 {XtNcursor
, XtCCursor
, XtRCursor
, sizeof(Cursor
),
153 offset(menu
.cursor_shape
), XtRString
, (XtPointer
)"right_ptr"},
154 {XtNhorizontal
, XtCHorizontal
, XtRInt
, sizeof(int),
155 offset(menu
.horizontal
), XtRImmediate
, (XtPointer
)True
},
159 static Boolean
XlwMenuSetValues();
160 static void XlwMenuRealize();
161 static void XlwMenuRedisplay();
162 static void XlwMenuResize();
163 static void XlwMenuInitialize();
164 static void XlwMenuRedisplay();
165 static void XlwMenuDestroy();
166 static void XlwMenuClassInitialize();
169 static void Select();
171 static void Nothing();
172 static int separator_height ();
175 xlwMenuActionsList
[] =
181 {"nothing", Nothing
},
184 #define SuperClass ((CoreWidgetClass)&coreClassRec)
186 XlwMenuClassRec xlwMenuClassRec
=
188 { /* CoreClass fields initialization */
189 (WidgetClass
) SuperClass
, /* superclass */
190 "XlwMenu", /* class_name */
191 sizeof(XlwMenuRec
), /* size */
192 XlwMenuClassInitialize
, /* class_initialize */
193 NULL
, /* class_part_initialize */
194 FALSE
, /* class_inited */
195 XlwMenuInitialize
, /* initialize */
196 NULL
, /* initialize_hook */
197 XlwMenuRealize
, /* realize */
198 xlwMenuActionsList
, /* actions */
199 XtNumber(xlwMenuActionsList
), /* num_actions */
200 xlwMenuResources
, /* resources */
201 XtNumber(xlwMenuResources
), /* resource_count */
202 NULLQUARK
, /* xrm_class */
203 TRUE
, /* compress_motion */
204 TRUE
, /* compress_exposure */
205 TRUE
, /* compress_enterleave */
206 FALSE
, /* visible_interest */
207 XlwMenuDestroy
, /* destroy */
208 XlwMenuResize
, /* resize */
209 XlwMenuRedisplay
, /* expose */
210 XlwMenuSetValues
, /* set_values */
211 NULL
, /* set_values_hook */
212 XtInheritSetValuesAlmost
, /* set_values_almost */
213 NULL
, /* get_values_hook */
214 NULL
, /* accept_focus */
215 XtVersion
, /* version */
216 NULL
, /* callback_private */
217 xlwMenuTranslations
, /* tm_table */
218 XtInheritQueryGeometry
, /* query_geometry */
219 XtInheritDisplayAccelerator
, /* display_accelerator */
221 }, /* XlwMenuClass fields initialization */
227 WidgetClass xlwMenuWidgetClass
= (WidgetClass
) &xlwMenuClassRec
;
229 int submenu_destroyed
;
231 static int next_release_must_exit
;
236 /* Like abort, but remove grabs from widget W before. */
242 if (XtIsShell (XtParent (w
)))
244 XtUngrabPointer (w
, CurrentTime
);
249 push_new_stack (mw
, val
)
253 if (!mw
->menu
.new_stack
)
255 mw
->menu
.new_stack_length
= 10;
257 (widget_value
**)XtCalloc (mw
->menu
.new_stack_length
,
258 sizeof (widget_value
*));
260 else if (mw
->menu
.new_depth
== mw
->menu
.new_stack_length
)
262 mw
->menu
.new_stack_length
*= 2;
264 (widget_value
**)XtRealloc ((char*)mw
->menu
.new_stack
,
265 mw
->menu
.new_stack_length
* sizeof (widget_value
*));
267 mw
->menu
.new_stack
[mw
->menu
.new_depth
++] = val
;
271 pop_new_stack_if_no_contents (mw
)
274 if (mw
->menu
.new_depth
)
276 if (!mw
->menu
.new_stack
[mw
->menu
.new_depth
- 1]->contents
)
277 mw
->menu
.new_depth
-= 1;
282 make_old_stack_space (mw
, n
)
286 if (!mw
->menu
.old_stack
)
288 mw
->menu
.old_stack_length
= 10;
290 (widget_value
**)XtCalloc (mw
->menu
.old_stack_length
,
291 sizeof (widget_value
*));
293 else if (mw
->menu
.old_stack_length
< n
)
295 mw
->menu
.old_stack_length
*= 2;
297 (widget_value
**)XtRealloc ((char*)mw
->menu
.old_stack
,
298 mw
->menu
.old_stack_length
* sizeof (widget_value
*));
311 XTextExtents (mw
->menu
.font
, s
, strlen (s
), &drop
, &drop
, &drop
, &xcs
);
319 return (mw
->menu
.font
->ascent
* 3/4) | 1;
322 /* Return the width of toggle buttons of widget MW. */
325 toggle_button_width (mw
)
328 return ((mw
->menu
.font
->ascent
+ mw
->menu
.font
->descent
) * 2 / 3) | 1;
332 /* Return the width of radio buttons of widget MW. */
335 radio_button_width (mw
)
338 return toggle_button_width (mw
) * 1.41;
345 {"labelString", "LabelString", XtRString
, sizeof(String
),
350 resource_widget_value (mw
, val
)
354 if (!val
->toolkit_data
)
356 char* resourced_name
= NULL
;
358 XtGetSubresources ((Widget
) mw
,
359 (XtPointer
) &resourced_name
,
360 val
->name
, val
->name
,
361 nameResource
, 1, NULL
, 0);
363 resourced_name
= val
->name
;
366 complete_name
= (char *) XtMalloc (strlen (resourced_name
) + 1);
367 strcpy (complete_name
, resourced_name
);
371 int complete_length
=
372 strlen (resourced_name
) + strlen (val
->value
) + 2;
373 complete_name
= XtMalloc (complete_length
);
375 strcat (complete_name
, resourced_name
);
376 strcat (complete_name
, " ");
377 strcat (complete_name
, val
->value
);
380 val
->toolkit_data
= complete_name
;
381 val
->free_toolkit_data
= True
;
383 return (char*)val
->toolkit_data
;
386 /* Returns the sizes of an item */
388 size_menu_item (mw
, val
, horizontal_p
, label_width
, rest_width
, button_width
,
398 enum menu_separator separator
;
400 if (lw_separator_p (val
->name
, &separator
, 0))
402 *height
= separator_height (separator
);
410 mw
->menu
.font
->ascent
+ mw
->menu
.font
->descent
411 + 2 * mw
->menu
.vertical_spacing
+ 2 * mw
->menu
.shadow_thickness
;
414 string_width (mw
, resource_widget_value (mw
, val
))
415 + mw
->menu
.horizontal_spacing
+ mw
->menu
.shadow_thickness
;
417 *rest_width
= mw
->menu
.horizontal_spacing
+ mw
->menu
.shadow_thickness
;
421 /* Add width of the arrow displayed for submenus. */
422 *rest_width
+= arrow_width (mw
) + mw
->menu
.arrow_spacing
;
424 /* Add width of key equivalent string. */
425 *rest_width
+= (string_width (mw
, val
->key
)
426 + mw
->menu
.arrow_spacing
);
428 if (val
->button_type
== BUTTON_TYPE_TOGGLE
)
429 *button_width
= (toggle_button_width (mw
)
430 + mw
->menu
.horizontal_spacing
);
431 else if (val
->button_type
== BUTTON_TYPE_RADIO
)
432 *button_width
= (radio_button_width (mw
)
433 + mw
->menu
.horizontal_spacing
);
439 size_menu (mw
, level
)
443 unsigned int label_width
= 0;
445 int button_width
= 0;
446 int max_rest_width
= 0;
447 int max_button_width
= 0;
448 unsigned int height
= 0;
449 int horizontal_p
= mw
->menu
.horizontal
&& (level
== 0);
453 if (level
>= mw
->menu
.old_depth
)
454 abort_gracefully ((Widget
) mw
);
456 ws
= &mw
->menu
.windows
[level
];
460 ws
->button_width
= 0;
462 for (val
= mw
->menu
.old_stack
[level
]->contents
; val
; val
= val
->next
)
464 size_menu_item (mw
, val
, horizontal_p
, &label_width
, &rest_width
,
465 &button_width
, &height
);
468 ws
->width
+= label_width
+ rest_width
;
469 if (height
> ws
->height
)
474 if (label_width
> ws
->label_width
)
475 ws
->label_width
= label_width
;
476 if (rest_width
> max_rest_width
)
477 max_rest_width
= rest_width
;
478 if (button_width
> max_button_width
)
479 max_button_width
= button_width
;
480 ws
->height
+= height
;
485 ws
->label_width
= ws
->button_width
= 0;
488 ws
->width
= ws
->label_width
+ max_rest_width
+ max_button_width
;
489 ws
->button_width
= max_button_width
;
492 ws
->width
+= 2 * mw
->menu
.shadow_thickness
;
493 ws
->height
+= 2 * mw
->menu
.shadow_thickness
;
497 ws
->width
+= 2 * mw
->menu
.margin
;
498 ws
->height
+= 2 * mw
->menu
.margin
;
506 draw_arrow (mw
, window
, gc
, x
, y
, width
, down_p
)
515 Display
*dpy
= XtDisplay (mw
);
516 GC top_gc
= mw
->menu
.shadow_top_gc
;
517 GC bottom_gc
= mw
->menu
.shadow_bottom_gc
;
518 int thickness
= mw
->menu
.shadow_thickness
;
521 /* alpha = atan (0.5)
522 factor = (1 + sin (alpha)) / cos (alpha) */
523 double factor
= 1.62;
524 int thickness2
= thickness
* factor
;
526 y
+= (mw
->menu
.font
->ascent
+ mw
->menu
.font
->descent
- height
) / 2;
537 pt
[0].y
= y
+ height
;
538 pt
[1].x
= x
+ thickness
;
539 pt
[1].y
= y
+ height
- thickness2
;
540 pt
[2].x
= x
+ thickness2
;
541 pt
[2].y
= y
+ thickness2
;
544 XFillPolygon (dpy
, window
, top_gc
, pt
, 4, Convex
, CoordModeOrigin
);
548 pt
[1].x
= x
+ thickness
;
549 pt
[1].y
= y
+ thickness2
;
550 pt
[2].x
= x
+ width
- thickness2
;
551 pt
[2].y
= y
+ height
/ 2;
553 pt
[3].y
= y
+ height
/ 2;
554 XFillPolygon (dpy
, window
, top_gc
, pt
, 4, Convex
, CoordModeOrigin
);
557 pt
[0].y
= y
+ height
;
558 pt
[1].x
= x
+ thickness
;
559 pt
[1].y
= y
+ height
- thickness2
;
560 pt
[2].x
= x
+ width
- thickness2
;
561 pt
[2].y
= y
+ height
/ 2;
563 pt
[3].y
= y
+ height
/ 2;
564 XFillPolygon (dpy
, window
, bottom_gc
, pt
, 4, Convex
, CoordModeOrigin
);
570 draw_shadow_rectangle (mw
, window
, x
, y
, width
, height
, erase_p
, down_p
)
580 Display
*dpy
= XtDisplay (mw
);
581 GC top_gc
= !erase_p
? mw
->menu
.shadow_top_gc
: mw
->menu
.background_gc
;
582 GC bottom_gc
= !erase_p
? mw
->menu
.shadow_bottom_gc
: mw
->menu
.background_gc
;
583 int thickness
= mw
->menu
.shadow_thickness
;
586 if (!erase_p
&& down_p
)
596 points
[1].x
= x
+ width
;
598 points
[2].x
= x
+ width
- thickness
;
599 points
[2].y
= y
+ thickness
;
601 points
[3].y
= y
+ thickness
;
602 XFillPolygon (dpy
, window
, top_gc
, points
, 4, Convex
, CoordModeOrigin
);
604 points
[0].y
= y
+ thickness
;
606 points
[1].y
= y
+ height
;
607 points
[2].x
= x
+ thickness
;
608 points
[2].y
= y
+ height
- thickness
;
609 points
[3].x
= x
+ thickness
;
610 points
[3].y
= y
+ thickness
;
611 XFillPolygon (dpy
, window
, top_gc
, points
, 4, Convex
, CoordModeOrigin
);
612 points
[0].x
= x
+ width
;
614 points
[1].x
= x
+ width
- thickness
;
615 points
[1].y
= y
+ thickness
;
616 points
[2].x
= x
+ width
- thickness
;
617 points
[2].y
= y
+ height
- thickness
;
618 points
[3].x
= x
+ width
;
619 points
[3].y
= y
+ height
- thickness
;
620 XFillPolygon (dpy
, window
, bottom_gc
, points
, 4, Convex
, CoordModeOrigin
);
622 points
[0].y
= y
+ height
;
623 points
[1].x
= x
+ width
;
624 points
[1].y
= y
+ height
;
625 points
[2].x
= x
+ width
;
626 points
[2].y
= y
+ height
- thickness
;
627 points
[3].x
= x
+ thickness
;
628 points
[3].y
= y
+ height
- thickness
;
629 XFillPolygon (dpy
, window
, bottom_gc
, points
, 4, Convex
, CoordModeOrigin
);
634 draw_shadow_rhombus (mw
, window
, x
, y
, width
, height
, erase_p
, down_p
)
644 Display
*dpy
= XtDisplay (mw
);
645 GC top_gc
= !erase_p
? mw
->menu
.shadow_top_gc
: mw
->menu
.background_gc
;
646 GC bottom_gc
= !erase_p
? mw
->menu
.shadow_bottom_gc
: mw
->menu
.background_gc
;
647 int thickness
= mw
->menu
.shadow_thickness
;
650 if (!erase_p
&& down_p
)
659 points
[0].y
= y
+ height
/ 2;
660 points
[1].x
= x
+ thickness
;
661 points
[1].y
= y
+ height
/ 2;
662 points
[2].x
= x
+ width
/ 2;
663 points
[2].y
= y
+ thickness
;
664 points
[3].x
= x
+ width
/ 2;
666 XFillPolygon (dpy
, window
, top_gc
, points
, 4, Convex
, CoordModeOrigin
);
667 points
[0].x
= x
+ width
/ 2;
669 points
[1].x
= x
+ width
/ 2;
670 points
[1].y
= y
+ thickness
;
671 points
[2].x
= x
+ width
- thickness
;
672 points
[2].y
= y
+ height
/ 2;
673 points
[3].x
= x
+ width
;
674 points
[3].y
= y
+ height
/ 2;
675 XFillPolygon (dpy
, window
, top_gc
, points
, 4, Convex
, CoordModeOrigin
);
677 points
[0].y
= y
+ height
/ 2;
678 points
[1].x
= x
+ thickness
;
679 points
[1].y
= y
+ height
/ 2;
680 points
[2].x
= x
+ width
/ 2;
681 points
[2].y
= y
+ height
- thickness
;
682 points
[3].x
= x
+ width
/ 2;
683 points
[3].y
= y
+ height
;
684 XFillPolygon (dpy
, window
, bottom_gc
, points
, 4, Convex
, CoordModeOrigin
);
685 points
[0].x
= x
+ width
/ 2;
686 points
[0].y
= y
+ height
;
687 points
[1].x
= x
+ width
/ 2;
688 points
[1].y
= y
+ height
- thickness
;
689 points
[2].x
= x
+ width
- thickness
;
690 points
[2].y
= y
+ height
/ 2;
691 points
[3].x
= x
+ width
;
692 points
[3].y
= y
+ height
/ 2;
693 XFillPolygon (dpy
, window
, bottom_gc
, points
, 4, Convex
, CoordModeOrigin
);
697 /* Draw a toggle button on widget MW, X window WINDOW. X/Y is the
698 top-left corner of the menu item. SELECTED_P non-zero means the
699 toggle button is selected. */
702 draw_toggle (mw
, window
, x
, y
, selected_p
)
705 int x
, y
, selected_p
;
709 width
= toggle_button_width (mw
);
711 x
+= mw
->menu
.horizontal_spacing
;
712 y
+= (mw
->menu
.font
->ascent
- height
) / 2;
713 draw_shadow_rectangle (mw
, window
, x
, y
, width
, height
, False
, selected_p
);
717 /* Draw a radio button on widget MW, X window WINDOW. X/Y is the
718 top-left corner of the menu item. SELECTED_P non-zero means the
719 toggle button is selected. */
722 draw_radio (mw
, window
, x
, y
, selected_p
)
725 int x
, y
, selected_p
;
729 width
= radio_button_width (mw
);
731 x
+= mw
->menu
.horizontal_spacing
;
732 y
+= (mw
->menu
.font
->ascent
- height
) / 2;
733 draw_shadow_rhombus (mw
, window
, x
, y
, width
, height
, False
, selected_p
);
737 /* Draw a menu separator on widget MW, X window WINDOW. X/Y is the
738 top-left corner of the menu item. WIDTH is the width of the
739 separator to draw. TYPE is the separator type. */
742 draw_separator (mw
, window
, x
, y
, width
, type
)
746 enum menu_separator type
;
748 Display
*dpy
= XtDisplay (mw
);
753 case SEPARATOR_NO_LINE
:
756 case SEPARATOR_SINGLE_LINE
:
757 XDrawLine (dpy
, window
, mw
->menu
.foreground_gc
,
761 case SEPARATOR_DOUBLE_LINE
:
762 draw_separator (mw
, window
, x
, y
, width
, SEPARATOR_SINGLE_LINE
);
763 draw_separator (mw
, window
, x
, y
+ 2, width
, SEPARATOR_SINGLE_LINE
);
766 case SEPARATOR_SINGLE_DASHED_LINE
:
767 xgcv
.line_style
= LineOnOffDash
;
768 XChangeGC (dpy
, mw
->menu
.foreground_gc
, GCLineStyle
, &xgcv
);
769 XDrawLine (dpy
, window
, mw
->menu
.foreground_gc
,
771 xgcv
.line_style
= LineSolid
;
772 XChangeGC (dpy
, mw
->menu
.foreground_gc
, GCLineStyle
, &xgcv
);
775 case SEPARATOR_DOUBLE_DASHED_LINE
:
776 draw_separator (mw
, window
, x
, y
, width
,
777 SEPARATOR_SINGLE_DASHED_LINE
);
778 draw_separator (mw
, window
, x
, y
+ 2, width
,
779 SEPARATOR_SINGLE_DASHED_LINE
);
782 case SEPARATOR_SHADOW_ETCHED_IN
:
783 XDrawLine (dpy
, window
, mw
->menu
.shadow_bottom_gc
,
785 XDrawLine (dpy
, window
, mw
->menu
.shadow_top_gc
,
786 x
, y
+ 1, x
+ width
, y
+ 1);
789 case SEPARATOR_SHADOW_ETCHED_OUT
:
790 XDrawLine (dpy
, window
, mw
->menu
.shadow_top_gc
,
792 XDrawLine (dpy
, window
, mw
->menu
.shadow_bottom_gc
,
793 x
, y
+ 1, x
+ width
, y
+ 1);
796 case SEPARATOR_SHADOW_ETCHED_IN_DASH
:
797 xgcv
.line_style
= LineOnOffDash
;
798 XChangeGC (dpy
, mw
->menu
.shadow_bottom_gc
, GCLineStyle
, &xgcv
);
799 XChangeGC (dpy
, mw
->menu
.shadow_top_gc
, GCLineStyle
, &xgcv
);
800 draw_separator (mw
, window
, x
, y
, SEPARATOR_SHADOW_ETCHED_IN
);
801 xgcv
.line_style
= LineSolid
;
802 XChangeGC (dpy
, mw
->menu
.shadow_bottom_gc
, GCLineStyle
, &xgcv
);
803 XChangeGC (dpy
, mw
->menu
.shadow_top_gc
, GCLineStyle
, &xgcv
);
806 case SEPARATOR_SHADOW_ETCHED_OUT_DASH
:
807 xgcv
.line_style
= LineOnOffDash
;
808 XChangeGC (dpy
, mw
->menu
.shadow_bottom_gc
, GCLineStyle
, &xgcv
);
809 XChangeGC (dpy
, mw
->menu
.shadow_top_gc
, GCLineStyle
, &xgcv
);
810 draw_separator (mw
, window
, x
, y
, SEPARATOR_SHADOW_ETCHED_OUT
);
811 xgcv
.line_style
= LineSolid
;
812 XChangeGC (dpy
, mw
->menu
.shadow_bottom_gc
, GCLineStyle
, &xgcv
);
813 XChangeGC (dpy
, mw
->menu
.shadow_top_gc
, GCLineStyle
, &xgcv
);
816 case SEPARATOR_SHADOW_DOUBLE_ETCHED_IN
:
817 draw_separator (mw
, window
, x
, y
, width
, SEPARATOR_SHADOW_ETCHED_IN
);
818 draw_separator (mw
, window
, x
, y
+ 3, width
, SEPARATOR_SHADOW_ETCHED_IN
);
821 case SEPARATOR_SHADOW_DOUBLE_ETCHED_OUT
:
822 draw_separator (mw
, window
, x
, y
, width
,
823 SEPARATOR_SHADOW_ETCHED_OUT
);
824 draw_separator (mw
, window
, x
, y
+ 3, width
,
825 SEPARATOR_SHADOW_ETCHED_OUT
);
828 case SEPARATOR_SHADOW_DOUBLE_ETCHED_IN_DASH
:
829 xgcv
.line_style
= LineOnOffDash
;
830 XChangeGC (dpy
, mw
->menu
.shadow_bottom_gc
, GCLineStyle
, &xgcv
);
831 XChangeGC (dpy
, mw
->menu
.shadow_top_gc
, GCLineStyle
, &xgcv
);
832 draw_separator (mw
, window
, x
, y
, width
,
833 SEPARATOR_SHADOW_DOUBLE_ETCHED_IN
);
834 xgcv
.line_style
= LineSolid
;
835 XChangeGC (dpy
, mw
->menu
.shadow_bottom_gc
, GCLineStyle
, &xgcv
);
836 XChangeGC (dpy
, mw
->menu
.shadow_top_gc
, GCLineStyle
, &xgcv
);
839 case SEPARATOR_SHADOW_DOUBLE_ETCHED_OUT_DASH
:
840 xgcv
.line_style
= LineOnOffDash
;
841 XChangeGC (dpy
, mw
->menu
.shadow_bottom_gc
, GCLineStyle
, &xgcv
);
842 XChangeGC (dpy
, mw
->menu
.shadow_top_gc
, GCLineStyle
, &xgcv
);
843 draw_separator (mw
, window
, x
, y
, width
,
844 SEPARATOR_SHADOW_DOUBLE_ETCHED_OUT
);
845 xgcv
.line_style
= LineSolid
;
846 XChangeGC (dpy
, mw
->menu
.shadow_bottom_gc
, GCLineStyle
, &xgcv
);
847 XChangeGC (dpy
, mw
->menu
.shadow_top_gc
, GCLineStyle
, &xgcv
);
856 /* Return the pixel height of menu separator SEPARATOR. */
859 separator_height (separator
)
860 enum menu_separator separator
;
864 case SEPARATOR_NO_LINE
:
867 case SEPARATOR_SINGLE_LINE
:
868 case SEPARATOR_SINGLE_DASHED_LINE
:
871 case SEPARATOR_DOUBLE_LINE
:
872 case SEPARATOR_DOUBLE_DASHED_LINE
:
875 case SEPARATOR_SHADOW_ETCHED_IN
:
876 case SEPARATOR_SHADOW_ETCHED_OUT
:
877 case SEPARATOR_SHADOW_ETCHED_IN_DASH
:
878 case SEPARATOR_SHADOW_ETCHED_OUT_DASH
:
881 case SEPARATOR_SHADOW_DOUBLE_ETCHED_IN
:
882 case SEPARATOR_SHADOW_DOUBLE_ETCHED_OUT
:
883 case SEPARATOR_SHADOW_DOUBLE_ETCHED_IN_DASH
:
884 case SEPARATOR_SHADOW_DOUBLE_ETCHED_OUT_DASH
:
893 /* Display the menu item and increment where.x and where.y to show how large
894 the menu item was. */
897 display_menu_item (mw
, val
, ws
, where
, highlighted_p
, horizontal_p
,
903 Boolean highlighted_p
;
904 Boolean horizontal_p
;
905 Boolean just_compute_p
;
909 int font_ascent
= mw
->menu
.font
->ascent
;
910 int font_descent
= mw
->menu
.font
->descent
;
911 int shadow
= mw
->menu
.shadow_thickness
;
912 int margin
= mw
->menu
.margin
;
913 int h_spacing
= mw
->menu
.horizontal_spacing
;
914 int v_spacing
= mw
->menu
.vertical_spacing
;
920 enum menu_separator separator
;
921 int separator_p
= lw_separator_p (val
->name
, &separator
, 0);
923 /* compute the sizes of the item */
924 size_menu_item (mw
, val
, horizontal_p
, &label_width
, &rest_width
,
925 &button_width
, &height
);
928 width
= label_width
+ rest_width
;
931 label_width
= ws
->label_width
;
932 width
= ws
->width
- 2 * shadow
;
935 /* Only highlight an enabled item that has a callback. */
937 if (!val
->enabled
|| !(val
->call_data
|| val
->contents
))
940 /* do the drawing. */
943 /* Add the shadow border of the containing menu */
944 int x
= where
->x
+ shadow
;
945 int y
= where
->y
+ shadow
;
953 /* pick the foreground and background GC. */
955 text_gc
= mw
->menu
.foreground_gc
;
957 text_gc
= mw
->menu
.inactive_gc
;
958 deco_gc
= mw
->menu
.foreground_gc
;
962 draw_separator (mw
, ws
->window
, x
, y
, width
, separator
);
966 int x_offset
= x
+ h_spacing
+ shadow
;
967 char* display_string
= resource_widget_value (mw
, val
);
968 draw_shadow_rectangle (mw
, ws
->window
, x
, y
, width
, height
, True
,
971 /* Deal with centering a menu title. */
972 if (!horizontal_p
&& !val
->contents
&& !val
->call_data
)
974 int l
= string_width (mw
, display_string
);
977 x_offset
= (width
- l
) >> 1;
979 else if (!horizontal_p
&& ws
->button_width
)
980 x_offset
+= ws
->button_width
;
983 XDrawString (XtDisplay (mw
), ws
->window
, text_gc
, x_offset
,
984 y
+ v_spacing
+ shadow
+ font_ascent
,
985 display_string
, strlen (display_string
));
989 if (val
->button_type
== BUTTON_TYPE_TOGGLE
)
990 draw_toggle (mw
, ws
->window
, x
, y
+ v_spacing
+ shadow
,
992 else if (val
->button_type
== BUTTON_TYPE_RADIO
)
993 draw_radio (mw
, ws
->window
, x
, y
+ v_spacing
+ shadow
,
998 int a_w
= arrow_width (mw
);
999 draw_arrow (mw
, ws
->window
, deco_gc
,
1001 - mw
->menu
.horizontal_spacing
1002 - mw
->menu
.shadow_thickness
,
1003 y
+ v_spacing
+ shadow
, a_w
,
1008 XDrawString (XtDisplay (mw
), ws
->window
, text_gc
,
1009 x
+ label_width
+ mw
->menu
.arrow_spacing
,
1010 y
+ v_spacing
+ shadow
+ font_ascent
,
1011 val
->key
, strlen (val
->key
));
1016 XDrawRectangle (XtDisplay (mw
), ws
->window
,
1017 mw
->menu
.background_gc
,
1018 x
+ shadow
, y
+ shadow
,
1019 label_width
+ h_spacing
- 1,
1020 font_ascent
+ font_descent
+ 2 * v_spacing
- 1);
1021 draw_shadow_rectangle (mw
, ws
->window
, x
, y
, width
, height
,
1026 draw_shadow_rectangle (mw
, ws
->window
, x
, y
, width
, height
, False
,
1036 display_menu (mw
, level
, just_compute_p
, highlighted_pos
, hit
, hit_return
,
1040 Boolean just_compute_p
;
1041 XPoint
* highlighted_pos
;
1043 widget_value
** hit_return
;
1048 widget_value
* following_item
;
1051 int horizontal_p
= mw
->menu
.horizontal
&& (level
== 0);
1053 int just_compute_this_one_p
;
1054 /* This is set nonzero if the element containing HIGHLIGHTED_POS
1055 is disabled, so that we do not return any subsequent element either. */
1057 enum menu_separator separator
;
1059 if (level
>= mw
->menu
.old_depth
)
1060 abort_gracefully ((Widget
) mw
);
1062 if (level
< mw
->menu
.old_depth
- 1)
1063 following_item
= mw
->menu
.old_stack
[level
+ 1];
1065 following_item
= NULL
;
1073 ws
= &mw
->menu
.windows
[level
];
1074 for (val
= mw
->menu
.old_stack
[level
]->contents
; val
; val
= val
->next
)
1076 highlighted_p
= val
== following_item
;
1077 if (highlighted_p
&& highlighted_pos
)
1080 highlighted_pos
->x
= where
.x
;
1082 highlighted_pos
->y
= where
.y
;
1085 just_compute_this_one_p
=
1086 just_compute_p
|| ((this || that
) && val
!= this && val
!= that
);
1088 display_menu_item (mw
, val
, ws
, &where
, highlighted_p
, horizontal_p
,
1089 just_compute_this_one_p
);
1091 if (highlighted_p
&& highlighted_pos
)
1094 highlighted_pos
->y
= where
.y
;
1096 highlighted_pos
->x
= where
.x
;
1101 && (horizontal_p
? hit
->x
< where
.x
: hit
->y
< where
.y
)
1102 && !lw_separator_p (val
->name
, &separator
, 0)
1117 if (!just_compute_p
)
1118 draw_shadow_rectangle (mw
, ws
->window
, 0, 0, ws
->width
, ws
->height
,
1124 set_new_state (mw
, val
, level
)
1131 mw
->menu
.new_depth
= 0;
1132 for (i
= 0; i
< level
; i
++)
1133 push_new_stack (mw
, mw
->menu
.old_stack
[i
]);
1134 push_new_stack (mw
, val
);
1138 make_windows_if_needed (mw
, n
)
1144 XSetWindowAttributes xswa
;
1146 Window root
= RootWindowOfScreen (DefaultScreenOfDisplay (XtDisplay (mw
)));
1147 window_state
* windows
;
1149 if (mw
->menu
.windows_length
>= n
)
1152 xswa
.save_under
= True
;
1153 xswa
.override_redirect
= True
;
1154 xswa
.background_pixel
= mw
->core
.background_pixel
;
1155 xswa
.border_pixel
= mw
->core
.border_pixel
;
1157 ExposureMask
| PointerMotionMask
| PointerMotionHintMask
1158 | ButtonReleaseMask
| ButtonPressMask
;
1159 xswa
.cursor
= mw
->menu
.cursor_shape
;
1160 mask
= CWSaveUnder
| CWOverrideRedirect
| CWBackPixel
| CWBorderPixel
1161 | CWEventMask
| CWCursor
;
1163 if (!mw
->menu
.windows
)
1166 (window_state
*)XtMalloc (n
* sizeof (window_state
));
1172 (window_state
*)XtRealloc ((char*)mw
->menu
.windows
,
1173 n
* sizeof (window_state
));
1174 start_at
= mw
->menu
.windows_length
;
1176 mw
->menu
.windows_length
= n
;
1178 windows
= mw
->menu
.windows
;
1180 for (i
= start_at
; i
< n
; i
++)
1184 windows
[i
].width
= 1;
1185 windows
[i
].height
= 1;
1186 windows
[i
].window
=
1187 XCreateWindow (XtDisplay (mw
), root
, 0, 0, 1, 1,
1188 0, 0, CopyFromParent
, CopyFromParent
, mask
, &xswa
);
1192 /* Make the window fit in the screen */
1194 fit_to_screen (mw
, ws
, previous_ws
, horizontal_p
)
1197 window_state
* previous_ws
;
1198 Boolean horizontal_p
;
1200 unsigned int screen_width
= WidthOfScreen (XtScreen (mw
));
1201 unsigned int screen_height
= HeightOfScreen (XtScreen (mw
));
1202 /* 1 if we are unable to avoid an overlap between
1203 this menu and the parent menu in the X dimension. */
1204 int horizontal_overlap
= 0;
1208 else if (ws
->x
+ ws
->width
> screen_width
)
1211 /* The addition of shadow-thickness for a sub-menu's position is
1212 to reflect a similar adjustment when the menu is displayed to
1213 the right of the invoking menu-item; it makes the sub-menu
1214 look more `attached' to the menu-item. */
1215 ws
->x
= previous_ws
->x
- ws
->width
+ mw
->menu
.shadow_thickness
;
1217 ws
->x
= screen_width
- ws
->width
;
1221 horizontal_overlap
= 1;
1224 /* If we overlap in X, try to avoid overlap in Y. */
1225 if (horizontal_overlap
1226 && ws
->y
< previous_ws
->y
+ previous_ws
->height
1227 && previous_ws
->y
< ws
->y
+ ws
->height
)
1229 /* Put this menu right below or right above PREVIOUS_WS
1231 if (previous_ws
->y
+ previous_ws
->height
+ ws
->height
< screen_height
)
1232 ws
->y
= previous_ws
->y
+ previous_ws
->height
;
1233 else if (previous_ws
->y
- ws
->height
> 0)
1234 ws
->y
= previous_ws
->y
- ws
->height
;
1239 else if (ws
->y
+ ws
->height
> screen_height
)
1242 ws
->y
= previous_ws
->y
- ws
->height
;
1244 ws
->y
= screen_height
- ws
->height
;
1250 /* Updates old_stack from new_stack and redisplays. */
1257 XPoint selection_position
;
1258 int old_depth
= mw
->menu
.old_depth
;
1259 int new_depth
= mw
->menu
.new_depth
;
1260 widget_value
** old_stack
;
1261 widget_value
** new_stack
;
1262 window_state
* windows
;
1263 widget_value
* old_selection
;
1264 widget_value
* new_selection
;
1266 /* Check that enough windows and old_stack are ready. */
1267 make_windows_if_needed (mw
, new_depth
);
1268 make_old_stack_space (mw
, new_depth
);
1269 windows
= mw
->menu
.windows
;
1270 old_stack
= mw
->menu
.old_stack
;
1271 new_stack
= mw
->menu
.new_stack
;
1273 /* compute the last identical different entry */
1274 for (i
= 1; i
< old_depth
&& i
< new_depth
; i
++)
1275 if (old_stack
[i
] != new_stack
[i
])
1279 /* Memorize the previously selected item to be able to refresh it */
1280 old_selection
= last_same
+ 1 < old_depth
? old_stack
[last_same
+ 1] : NULL
;
1281 if (old_selection
&& !old_selection
->enabled
)
1282 old_selection
= NULL
;
1283 new_selection
= last_same
+ 1 < new_depth
? new_stack
[last_same
+ 1] : NULL
;
1284 if (new_selection
&& !new_selection
->enabled
)
1285 new_selection
= NULL
;
1287 /* Call callback when the hightlighted item changes. */
1288 if (old_selection
|| new_selection
)
1289 XtCallCallbackList ((Widget
)mw
, mw
->menu
.highlight
,
1290 (XtPointer
) new_selection
);
1292 /* updates old_state from new_state. It has to be done now because
1293 display_menu (called below) uses the old_stack to know what to display. */
1294 for (i
= last_same
+ 1; i
< new_depth
; i
++)
1295 old_stack
[i
] = new_stack
[i
];
1296 mw
->menu
.old_depth
= new_depth
;
1298 /* refresh the last selection */
1299 selection_position
.x
= 0;
1300 selection_position
.y
= 0;
1301 display_menu (mw
, last_same
, new_selection
== old_selection
,
1302 &selection_position
, NULL
, NULL
, old_selection
, new_selection
);
1304 /* Now place the new menus. */
1305 for (i
= last_same
+ 1; i
< new_depth
&& new_stack
[i
]->contents
; i
++)
1307 window_state
*previous_ws
= &windows
[i
- 1];
1308 window_state
*ws
= &windows
[i
];
1310 ws
->x
= (previous_ws
->x
+ selection_position
.x
1311 + mw
->menu
.shadow_thickness
);
1312 if (mw
->menu
.horizontal
&& i
== 1)
1313 ws
->x
+= mw
->menu
.margin
;
1316 if (!mw
->menu
.horizontal
|| i
> 1)
1317 ws
->x
+= mw
->menu
.shadow_thickness
;
1320 ws
->y
= (previous_ws
->y
+ selection_position
.y
1321 + mw
->menu
.shadow_thickness
);
1322 if (mw
->menu
.horizontal
&& i
== 1)
1323 ws
->y
+= mw
->menu
.margin
;
1327 fit_to_screen (mw
, ws
, previous_ws
, mw
->menu
.horizontal
&& i
== 1);
1329 XClearWindow (XtDisplay (mw
), ws
->window
);
1330 XMoveResizeWindow (XtDisplay (mw
), ws
->window
, ws
->x
, ws
->y
,
1331 ws
->width
, ws
->height
);
1332 XMapRaised (XtDisplay (mw
), ws
->window
);
1333 display_menu (mw
, i
, False
, &selection_position
, NULL
, NULL
, NULL
, NULL
);
1336 /* unmap the menus that popped down */
1337 for (i
= new_depth
- 1; i
< old_depth
; i
++)
1338 if (i
>= new_depth
|| !new_stack
[i
]->contents
)
1339 XUnmapWindow (XtDisplay (mw
), windows
[i
].window
);
1343 motion_event_is_in_menu (mw
, ev
, level
, relative_pos
)
1347 XPoint
* relative_pos
;
1349 window_state
* ws
= &mw
->menu
.windows
[level
];
1350 int shadow
= level
== 0 ? 0 : mw
->menu
.shadow_thickness
;
1351 int x
= ws
->x
+ shadow
;
1352 int y
= ws
->y
+ shadow
;
1353 relative_pos
->x
= ev
->x_root
- x
;
1354 relative_pos
->y
= ev
->y_root
- y
;
1355 return (x
- shadow
< ev
->x_root
&& ev
->x_root
< x
+ ws
->width
1356 && y
- shadow
< ev
->y_root
&& ev
->y_root
< y
+ ws
->height
);
1360 map_event_to_widget_value (mw
, ev
, val
, level
)
1367 XPoint relative_pos
;
1372 /* Find the window */
1373 for (i
= mw
->menu
.old_depth
- 1; i
>= 0; i
--)
1375 ws
= &mw
->menu
.windows
[i
];
1376 if (ws
&& motion_event_is_in_menu (mw
, ev
, i
, &relative_pos
))
1378 display_menu (mw
, i
, True
, NULL
, &relative_pos
, val
, NULL
, NULL
);
1392 make_drawing_gcs (mw
)
1397 xgcv
.font
= mw
->menu
.font
->fid
;
1398 xgcv
.foreground
= mw
->menu
.foreground
;
1399 xgcv
.background
= mw
->core
.background_pixel
;
1400 mw
->menu
.foreground_gc
= XtGetGC ((Widget
)mw
,
1401 GCFont
| GCForeground
| GCBackground
,
1404 xgcv
.font
= mw
->menu
.font
->fid
;
1405 xgcv
.foreground
= mw
->menu
.button_foreground
;
1406 xgcv
.background
= mw
->core
.background_pixel
;
1407 mw
->menu
.button_gc
= XtGetGC ((Widget
)mw
,
1408 GCFont
| GCForeground
| GCBackground
,
1411 xgcv
.font
= mw
->menu
.font
->fid
;
1412 xgcv
.foreground
= mw
->menu
.foreground
;
1413 xgcv
.background
= mw
->core
.background_pixel
;
1414 xgcv
.fill_style
= FillStippled
;
1415 xgcv
.stipple
= mw
->menu
.gray_pixmap
;
1416 mw
->menu
.inactive_gc
= XtGetGC ((Widget
)mw
,
1417 (GCFont
| GCForeground
| GCBackground
1418 | GCFillStyle
| GCStipple
), &xgcv
);
1420 xgcv
.font
= mw
->menu
.font
->fid
;
1421 xgcv
.foreground
= mw
->menu
.button_foreground
;
1422 xgcv
.background
= mw
->core
.background_pixel
;
1423 xgcv
.fill_style
= FillStippled
;
1424 xgcv
.stipple
= mw
->menu
.gray_pixmap
;
1425 mw
->menu
.inactive_button_gc
= XtGetGC ((Widget
)mw
,
1426 (GCFont
| GCForeground
| GCBackground
1427 | GCFillStyle
| GCStipple
), &xgcv
);
1429 xgcv
.font
= mw
->menu
.font
->fid
;
1430 xgcv
.foreground
= mw
->core
.background_pixel
;
1431 xgcv
.background
= mw
->menu
.foreground
;
1432 mw
->menu
.background_gc
= XtGetGC ((Widget
)mw
,
1433 GCFont
| GCForeground
| GCBackground
,
1438 release_drawing_gcs (mw
)
1441 XtReleaseGC ((Widget
) mw
, mw
->menu
.foreground_gc
);
1442 XtReleaseGC ((Widget
) mw
, mw
->menu
.button_gc
);
1443 XtReleaseGC ((Widget
) mw
, mw
->menu
.inactive_gc
);
1444 XtReleaseGC ((Widget
) mw
, mw
->menu
.inactive_button_gc
);
1445 XtReleaseGC ((Widget
) mw
, mw
->menu
.background_gc
);
1446 /* let's get some segvs if we try to use these... */
1447 mw
->menu
.foreground_gc
= (GC
) -1;
1448 mw
->menu
.button_gc
= (GC
) -1;
1449 mw
->menu
.inactive_gc
= (GC
) -1;
1450 mw
->menu
.inactive_button_gc
= (GC
) -1;
1451 mw
->menu
.background_gc
= (GC
) -1;
1454 #define MINL(x,y) ((((unsigned long) (x)) < ((unsigned long) (y))) \
1455 ? ((unsigned long) (x)) : ((unsigned long) (y)))
1458 make_shadow_gcs (mw
)
1462 unsigned long pm
= 0;
1463 Display
*dpy
= XtDisplay ((Widget
) mw
);
1464 Screen
*screen
= XtScreen ((Widget
) mw
);
1465 Colormap cmap
= mw
->core
.colormap
;
1467 int top_frobbed
= 0, bottom_frobbed
= 0;
1469 mw
->menu
.free_top_shadow_color_p
= 0;
1470 mw
->menu
.free_bottom_shadow_color_p
= 0;
1472 if (mw
->menu
.top_shadow_color
== -1)
1473 mw
->menu
.top_shadow_color
= mw
->core
.background_pixel
;
1475 mw
->menu
.top_shadow_color
= mw
->menu
.top_shadow_color
;
1477 if (mw
->menu
.bottom_shadow_color
== -1)
1478 mw
->menu
.bottom_shadow_color
= mw
->menu
.foreground
;
1480 mw
->menu
.bottom_shadow_color
= mw
->menu
.bottom_shadow_color
;
1482 if (mw
->menu
.top_shadow_color
== mw
->core
.background_pixel
||
1483 mw
->menu
.top_shadow_color
== mw
->menu
.foreground
)
1485 topc
.pixel
= mw
->core
.background_pixel
;
1487 if (x_alloc_lighter_color_for_widget ((Widget
) mw
, dpy
, cmap
,
1491 XQueryColor (dpy
, cmap
, &topc
);
1492 /* don't overflow/wrap! */
1493 topc
.red
= MINL (65535, topc
.red
* 1.2);
1494 topc
.green
= MINL (65535, topc
.green
* 1.2);
1495 topc
.blue
= MINL (65535, topc
.blue
* 1.2);
1496 if (XAllocColor (dpy
, cmap
, &topc
))
1499 mw
->menu
.top_shadow_color
= topc
.pixel
;
1500 mw
->menu
.free_top_shadow_color_p
= 1;
1504 if (mw
->menu
.bottom_shadow_color
== mw
->menu
.foreground
||
1505 mw
->menu
.bottom_shadow_color
== mw
->core
.background_pixel
)
1507 botc
.pixel
= mw
->core
.background_pixel
;
1509 if (x_alloc_lighter_color_for_widget ((Widget
) mw
, dpy
, cmap
,
1513 XQueryColor (dpy
, cmap
, &botc
);
1517 if (XAllocColor (dpy
, cmap
, &botc
))
1520 mw
->menu
.bottom_shadow_color
= botc
.pixel
;
1521 mw
->menu
.free_bottom_shadow_color_p
= 1;
1526 if (top_frobbed
&& bottom_frobbed
)
1528 if (topc
.pixel
== botc
.pixel
)
1530 if (botc
.pixel
== mw
->menu
.foreground
)
1532 if (mw
->menu
.free_top_shadow_color_p
)
1534 x_free_dpy_colors (dpy
, screen
, cmap
,
1535 &mw
->menu
.top_shadow_color
, 1);
1536 mw
->menu
.free_top_shadow_color_p
= 0;
1538 mw
->menu
.top_shadow_color
= mw
->core
.background_pixel
;
1542 if (mw
->menu
.free_bottom_shadow_color_p
)
1544 x_free_dpy_colors (dpy
, screen
, cmap
,
1545 &mw
->menu
.bottom_shadow_color
, 1);
1546 mw
->menu
.free_bottom_shadow_color_p
= 0;
1548 mw
->menu
.bottom_shadow_color
= mw
->menu
.foreground
;
1553 if (!mw
->menu
.top_shadow_pixmap
&&
1554 mw
->menu
.top_shadow_color
== mw
->core
.background_pixel
)
1556 mw
->menu
.top_shadow_pixmap
= mw
->menu
.gray_pixmap
;
1557 if (mw
->menu
.free_top_shadow_color_p
)
1559 x_free_dpy_colors (dpy
, screen
, cmap
, &mw
->menu
.top_shadow_color
, 1);
1560 mw
->menu
.free_top_shadow_color_p
= 0;
1562 mw
->menu
.top_shadow_color
= mw
->menu
.foreground
;
1564 if (!mw
->menu
.bottom_shadow_pixmap
&&
1565 mw
->menu
.bottom_shadow_color
== mw
->core
.background_pixel
)
1567 mw
->menu
.bottom_shadow_pixmap
= mw
->menu
.gray_pixmap
;
1568 if (mw
->menu
.free_bottom_shadow_color_p
)
1570 x_free_dpy_colors (dpy
, screen
, cmap
,
1571 &mw
->menu
.bottom_shadow_color
, 1);
1572 mw
->menu
.free_bottom_shadow_color_p
= 0;
1574 mw
->menu
.bottom_shadow_color
= mw
->menu
.foreground
;
1577 xgcv
.fill_style
= FillStippled
;
1578 xgcv
.foreground
= mw
->menu
.top_shadow_color
;
1579 xgcv
.stipple
= mw
->menu
.top_shadow_pixmap
;
1580 pm
= (xgcv
.stipple
? GCStipple
|GCFillStyle
: 0);
1581 mw
->menu
.shadow_top_gc
= XtGetGC ((Widget
)mw
, GCForeground
| pm
, &xgcv
);
1583 xgcv
.foreground
= mw
->menu
.bottom_shadow_color
;
1584 xgcv
.stipple
= mw
->menu
.bottom_shadow_pixmap
;
1585 pm
= (xgcv
.stipple
? GCStipple
|GCFillStyle
: 0);
1586 mw
->menu
.shadow_bottom_gc
= XtGetGC ((Widget
)mw
, GCForeground
| pm
, &xgcv
);
1591 release_shadow_gcs (mw
)
1594 Display
*dpy
= XtDisplay ((Widget
) mw
);
1595 Screen
*screen
= XtScreen ((Widget
) mw
);
1596 Colormap cmap
= mw
->core
.colormap
;
1600 if (mw
->menu
.free_top_shadow_color_p
)
1601 px
[i
++] = mw
->menu
.top_shadow_color
;
1602 if (mw
->menu
.free_bottom_shadow_color_p
)
1603 px
[i
++] = mw
->menu
.bottom_shadow_color
;
1605 x_free_dpy_colors (dpy
, screen
, cmap
, px
, i
);
1607 XtReleaseGC ((Widget
) mw
, mw
->menu
.shadow_top_gc
);
1608 XtReleaseGC ((Widget
) mw
, mw
->menu
.shadow_bottom_gc
);
1612 XlwMenuInitialize (request
, mw
, args
, num_args
)
1618 /* Get the GCs and the widget size */
1619 XSetWindowAttributes xswa
;
1622 Window window
= RootWindowOfScreen (DefaultScreenOfDisplay (XtDisplay (mw
)));
1623 Display
* display
= XtDisplay (mw
);
1626 widget_value
*tem
= (widget_value
*) XtMalloc (sizeof (widget_value
));
1628 /* _XtCreate is freeing the object that was passed to us,
1629 so make a copy that we will actually keep. */
1630 lwlib_bcopy (mw
->menu
.contents
, tem
, sizeof (widget_value
));
1631 mw
->menu
.contents
= tem
;
1634 /* mw->menu.cursor = XCreateFontCursor (display, mw->menu.cursor_shape); */
1635 mw
->menu
.cursor
= mw
->menu
.cursor_shape
;
1637 mw
->menu
.gray_pixmap
1638 = XCreatePixmapFromBitmapData (display
, window
, gray_bitmap_bits
,
1639 gray_bitmap_width
, gray_bitmap_height
,
1640 (unsigned long)1, (unsigned long)0, 1);
1642 /* I don't understand why this ends up 0 sometimes,
1643 but it does. This kludge works around it.
1644 Can anyone find a real fix? -- rms. */
1645 if (mw
->menu
.font
== 0)
1646 mw
->menu
.font
= xlwmenu_default_font
;
1648 make_drawing_gcs (mw
);
1649 make_shadow_gcs (mw
);
1651 xswa
.background_pixel
= mw
->core
.background_pixel
;
1652 xswa
.border_pixel
= mw
->core
.border_pixel
;
1653 mask
= CWBackPixel
| CWBorderPixel
;
1655 mw
->menu
.popped_up
= False
;
1657 mw
->menu
.old_depth
= 1;
1658 mw
->menu
.old_stack
= (widget_value
**)XtMalloc (sizeof (widget_value
*));
1659 mw
->menu
.old_stack_length
= 1;
1660 mw
->menu
.old_stack
[0] = mw
->menu
.contents
;
1662 mw
->menu
.new_depth
= 0;
1663 mw
->menu
.new_stack
= 0;
1664 mw
->menu
.new_stack_length
= 0;
1665 push_new_stack (mw
, mw
->menu
.contents
);
1667 mw
->menu
.windows
= (window_state
*)XtMalloc (sizeof (window_state
));
1668 mw
->menu
.windows_length
= 1;
1669 mw
->menu
.windows
[0].x
= 0;
1670 mw
->menu
.windows
[0].y
= 0;
1671 mw
->menu
.windows
[0].width
= 0;
1672 mw
->menu
.windows
[0].height
= 0;
1675 mw
->core
.width
= mw
->menu
.windows
[0].width
;
1676 mw
->core
.height
= mw
->menu
.windows
[0].height
;
1680 XlwMenuClassInitialize ()
1685 XlwMenuRealize (w
, valueMask
, attributes
)
1688 XSetWindowAttributes
*attributes
;
1690 XlwMenuWidget mw
= (XlwMenuWidget
)w
;
1691 XSetWindowAttributes xswa
;
1694 (*xlwMenuWidgetClass
->core_class
.superclass
->core_class
.realize
)
1695 (w
, valueMask
, attributes
);
1697 xswa
.save_under
= True
;
1698 xswa
.cursor
= mw
->menu
.cursor_shape
;
1699 mask
= CWSaveUnder
| CWCursor
;
1700 XChangeWindowAttributes (XtDisplay (w
), XtWindow (w
), mask
, &xswa
);
1702 mw
->menu
.windows
[0].window
= XtWindow (w
);
1703 mw
->menu
.windows
[0].x
= w
->core
.x
;
1704 mw
->menu
.windows
[0].y
= w
->core
.y
;
1705 mw
->menu
.windows
[0].width
= w
->core
.width
;
1706 mw
->menu
.windows
[0].height
= w
->core
.height
;
1709 /* Only the toplevel menubar/popup is a widget so it's the only one that
1710 receives expose events through Xt. So we repaint all the other panes
1711 when receiving an Expose event. */
1713 XlwMenuRedisplay (w
, ev
, region
)
1718 XlwMenuWidget mw
= (XlwMenuWidget
)w
;
1721 /* If we have a depth beyond 1, it's because a submenu was displayed.
1722 If the submenu has been destroyed, set the depth back to 1. */
1723 if (submenu_destroyed
)
1725 mw
->menu
.old_depth
= 1;
1726 submenu_destroyed
= 0;
1729 for (i
= 0; i
< mw
->menu
.old_depth
; i
++)
1730 display_menu (mw
, i
, False
, NULL
, NULL
, NULL
, NULL
, NULL
);
1738 XlwMenuWidget mw
= (XlwMenuWidget
) w
;
1740 if (pointer_grabbed
)
1741 XtUngrabPointer ((Widget
)w
, CurrentTime
);
1742 pointer_grabbed
= 0;
1744 submenu_destroyed
= 1;
1746 release_drawing_gcs (mw
);
1747 release_shadow_gcs (mw
);
1749 /* this doesn't come from the resource db but is created explicitly
1750 so we must free it ourselves. */
1751 XFreePixmap (XtDisplay (mw
), mw
->menu
.gray_pixmap
);
1752 mw
->menu
.gray_pixmap
= (Pixmap
) -1;
1755 /* Do free mw->menu.contents because nowadays we copy it
1756 during initialization. */
1757 XtFree (mw
->menu
.contents
);
1760 /* Don't free mw->menu.contents because that comes from our creator.
1761 The `*_stack' elements are just pointers into `contents' so leave
1762 that alone too. But free the stacks themselves. */
1763 if (mw
->menu
.old_stack
) XtFree ((char *) mw
->menu
.old_stack
);
1764 if (mw
->menu
.new_stack
) XtFree ((char *) mw
->menu
.new_stack
);
1766 /* Remember, you can't free anything that came from the resource
1767 database. This includes:
1769 mw->menu.top_shadow_pixmap
1770 mw->menu.bottom_shadow_pixmap
1772 Also the color cells of top_shadow_color, bottom_shadow_color,
1773 foreground, and button_foreground will never be freed until this
1774 client exits. Nice, eh?
1777 /* start from 1 because the one in slot 0 is w->core.window */
1778 for (i
= 1; i
< mw
->menu
.windows_length
; i
++)
1779 XDestroyWindow (XtDisplay (mw
), mw
->menu
.windows
[i
].window
);
1780 if (mw
->menu
.windows
)
1781 XtFree ((char *) mw
->menu
.windows
);
1785 XlwMenuSetValues (current
, request
, new)
1790 XlwMenuWidget oldmw
= (XlwMenuWidget
)current
;
1791 XlwMenuWidget newmw
= (XlwMenuWidget
)new;
1792 Boolean redisplay
= False
;
1795 if (newmw
->menu
.contents
1796 && newmw
->menu
.contents
->contents
1797 && newmw
->menu
.contents
->contents
->change
>= VISIBLE_CHANGE
)
1799 /* Do redisplay if the contents are entirely eliminated. */
1800 if (newmw
->menu
.contents
1801 && newmw
->menu
.contents
->contents
== 0
1802 && newmw
->menu
.contents
->change
>= VISIBLE_CHANGE
)
1805 if (newmw
->core
.background_pixel
!= oldmw
->core
.background_pixel
1806 || newmw
->menu
.foreground
!= oldmw
->menu
.foreground
1807 || newmw
->menu
.font
!= oldmw
->menu
.font
)
1809 release_drawing_gcs (newmw
);
1810 make_drawing_gcs (newmw
);
1812 release_shadow_gcs (newmw
);
1813 /* Cause the shadow colors to be recalculated. */
1814 newmw
->menu
.top_shadow_color
= -1;
1815 newmw
->menu
.bottom_shadow_color
= -1;
1816 make_shadow_gcs (newmw
);
1820 if (XtIsRealized (current
))
1821 /* If the menu is currently displayed, change the display. */
1822 for (i
= 0; i
< oldmw
->menu
.windows_length
; i
++)
1824 XSetWindowBackground (XtDisplay (oldmw
),
1825 oldmw
->menu
.windows
[i
].window
,
1826 newmw
->core
.background_pixel
);
1827 /* clear windows and generate expose events */
1828 XClearArea (XtDisplay (oldmw
), oldmw
->menu
.windows
[i
].window
,
1840 XlwMenuWidget mw
= (XlwMenuWidget
)w
;
1842 if (mw
->menu
.popped_up
)
1844 /* Don't allow the popup menu to resize itself. */
1845 mw
->core
.width
= mw
->menu
.windows
[0].width
;
1846 mw
->core
.height
= mw
->menu
.windows
[0].height
;
1847 mw
->core
.parent
->core
.width
= mw
->core
.width
;
1848 mw
->core
.parent
->core
.height
= mw
->core
.height
;
1852 mw
->menu
.windows
[0].width
= mw
->core
.width
;
1853 mw
->menu
.windows
[0].height
= mw
->core
.height
;
1857 \f/* Action procedures */
1859 handle_single_motion_event (mw
, ev
)
1866 if (!map_event_to_widget_value (mw
, ev
, &val
, &level
))
1867 pop_new_stack_if_no_contents (mw
);
1869 set_new_state (mw
, val
, level
);
1872 /* Sync with the display. Makes it feel better on X terms. */
1873 XSync (XtDisplay (mw
), False
);
1877 handle_motion_event (mw
, ev
)
1883 int state
= ev
->state
;
1885 handle_single_motion_event (mw
, ev
);
1887 /* allow motion events to be generated again */
1889 && XQueryPointer (XtDisplay (mw
), ev
->window
,
1890 &ev
->root
, &ev
->subwindow
,
1891 &ev
->x_root
, &ev
->y_root
,
1894 && ev
->state
== state
1895 && (ev
->x_root
!= x
|| ev
->y_root
!= y
))
1896 handle_single_motion_event (mw
, ev
);
1900 Start (w
, ev
, params
, num_params
)
1904 Cardinal
*num_params
;
1906 XlwMenuWidget mw
= (XlwMenuWidget
)w
;
1908 if (!mw
->menu
.popped_up
)
1910 menu_post_event
= *ev
;
1911 pop_up_menu (mw
, (XButtonPressedEvent
*) ev
);
1915 /* If we push a button while the menu is posted semipermanently,
1916 releasing the button should always pop the menu down. */
1917 next_release_must_exit
= 1;
1919 /* notes the absolute position of the menubar window */
1920 mw
->menu
.windows
[0].x
= ev
->xmotion
.x_root
- ev
->xmotion
.x
;
1921 mw
->menu
.windows
[0].y
= ev
->xmotion
.y_root
- ev
->xmotion
.y
;
1923 /* handles the down like a move, slots are compatible */
1924 handle_motion_event (mw
, &ev
->xmotion
);
1929 Drag (w
, ev
, params
, num_params
)
1933 Cardinal
*num_params
;
1935 XlwMenuWidget mw
= (XlwMenuWidget
)w
;
1936 if (mw
->menu
.popped_up
)
1937 handle_motion_event (mw
, &ev
->xmotion
);
1941 This is how we handle presses and releases of modifier keys. */
1943 Nothing (w
, ev
, params
, num_params
)
1947 Cardinal
*num_params
;
1951 /* Handle key press and release events while menu is popped up.
1952 Our action is to get rid of the menu. */
1954 Key (w
, ev
, params
, num_params
)
1958 Cardinal
*num_params
;
1960 XlwMenuWidget mw
= (XlwMenuWidget
)w
;
1962 /* Pop down everything. */
1963 mw
->menu
.new_depth
= 1;
1966 if (mw
->menu
.popped_up
)
1968 mw
->menu
.popped_up
= False
;
1969 XtUngrabPointer ((Widget
)mw
, ev
->xmotion
.time
);
1970 if (XtIsShell (XtParent ((Widget
) mw
)))
1971 XtPopdown (XtParent ((Widget
) mw
));
1974 XtRemoveGrab ((Widget
) mw
);
1975 display_menu (mw
, 0, False
, NULL
, NULL
, NULL
, NULL
, NULL
);
1980 XtCallCallbackList ((Widget
)mw
, mw
->menu
.select
, (XtPointer
)0);
1984 Select (w
, ev
, params
, num_params
)
1988 Cardinal
*num_params
;
1990 XlwMenuWidget mw
= (XlwMenuWidget
)w
;
1991 widget_value
* selected_item
= mw
->menu
.old_stack
[mw
->menu
.old_depth
- 1];
1993 /* If user releases the button quickly, without selecting anything,
1994 after the initial down-click that brought the menu up,
1996 if ((selected_item
== 0
1997 || ((widget_value
*) selected_item
)->call_data
== 0)
1998 && !next_release_must_exit
1999 && (ev
->xbutton
.time
- menu_post_event
.xbutton
.time
2000 < XtGetMultiClickTime (XtDisplay (w
))))
2003 /* pop down everything. */
2004 mw
->menu
.new_depth
= 1;
2007 if (mw
->menu
.popped_up
)
2009 mw
->menu
.popped_up
= False
;
2010 XtUngrabPointer ((Widget
)mw
, ev
->xmotion
.time
);
2011 if (XtIsShell (XtParent ((Widget
) mw
)))
2012 XtPopdown (XtParent ((Widget
) mw
));
2015 XtRemoveGrab ((Widget
) mw
);
2016 display_menu (mw
, 0, False
, NULL
, NULL
, NULL
, NULL
, NULL
);
2021 XtCallCallbackList ((Widget
)mw
, mw
->menu
.select
, (XtPointer
)selected_item
);
2025 \f/* Special code to pop-up a menu */
2027 pop_up_menu (mw
, event
)
2029 XButtonPressedEvent
* event
;
2031 int x
= event
->x_root
;
2032 int y
= event
->y_root
;
2035 int borderwidth
= mw
->menu
.shadow_thickness
;
2036 Screen
* screen
= XtScreen (mw
);
2037 Display
*display
= XtDisplay (mw
);
2040 next_release_must_exit
= 0;
2042 XtCallCallbackList ((Widget
)mw
, mw
->menu
.open
, NULL
);
2044 if (XtIsShell (XtParent ((Widget
)mw
)))
2047 w
= mw
->menu
.windows
[0].width
;
2048 h
= mw
->menu
.windows
[0].height
;
2052 if (x
< borderwidth
)
2054 if (x
+ w
+ 2 * borderwidth
> WidthOfScreen (screen
))
2055 x
= WidthOfScreen (screen
) - w
- 2 * borderwidth
;
2056 if (y
< borderwidth
)
2058 if (y
+ h
+ 2 * borderwidth
> HeightOfScreen (screen
))
2059 y
= HeightOfScreen (screen
) - h
- 2 * borderwidth
;
2061 mw
->menu
.popped_up
= True
;
2062 if (XtIsShell (XtParent ((Widget
)mw
)))
2064 XtConfigureWidget (XtParent ((Widget
)mw
), x
, y
, w
, h
,
2065 XtParent ((Widget
)mw
)->core
.border_width
);
2066 XtPopup (XtParent ((Widget
)mw
), XtGrabExclusive
);
2067 display_menu (mw
, 0, False
, NULL
, NULL
, NULL
, NULL
, NULL
);
2068 mw
->menu
.windows
[0].x
= x
+ borderwidth
;
2069 mw
->menu
.windows
[0].y
= y
+ borderwidth
;
2073 XEvent
*ev
= (XEvent
*) event
;
2075 XtAddGrab ((Widget
) mw
, True
, True
);
2077 /* notes the absolute position of the menubar window */
2078 mw
->menu
.windows
[0].x
= ev
->xmotion
.x_root
- ev
->xmotion
.x
;
2079 mw
->menu
.windows
[0].y
= ev
->xmotion
.y_root
- ev
->xmotion
.y
;
2083 count
= x_catch_errors (display
);
2085 XtGrabPointer ((Widget
)mw
, False
,
2087 | PointerMotionHintMask
2090 GrabModeAsync
, GrabModeAsync
, None
,
2091 mw
->menu
.cursor_shape
,
2093 pointer_grabbed
= 1;
2095 if (x_had_errors_p (display
))
2097 pointer_grabbed
= 0;
2098 XtUngrabPointer ((Widget
)mw
, event
->time
);
2100 x_uncatch_errors (display
, count
);
2103 handle_motion_event (mw
, (XMotionEvent
*)event
);