| 1 | /* Implements a lightweight menubar widget. |
| 2 | Copyright (C) 1992 Lucid, Inc. |
| 3 | |
| 4 | This file is part of the Lucid Widget Library. |
| 5 | |
| 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) |
| 9 | any later version. |
| 10 | |
| 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. |
| 15 | |
| 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. */ |
| 20 | |
| 21 | /* Created by devin@lucid.com */ |
| 22 | |
| 23 | #include <stdio.h> |
| 24 | |
| 25 | #include <sys/types.h> |
| 26 | #include <X11/Xos.h> |
| 27 | #include <X11/IntrinsicP.h> |
| 28 | #include <X11/ObjectP.h> |
| 29 | #include <X11/StringDefs.h> |
| 30 | #include <X11/cursorfont.h> |
| 31 | #include <X11/bitmaps/gray> |
| 32 | #include "xlwmenuP.h" |
| 33 | |
| 34 | static int pointer_grabbed; |
| 35 | static XEvent menu_post_event; |
| 36 | |
| 37 | XFontStruct *xlwmenu_default_font; |
| 38 | |
| 39 | static char |
| 40 | xlwMenuTranslations [] = |
| 41 | "<BtnDown>: start()\n\ |
| 42 | <Motion>: drag()\n\ |
| 43 | <BtnUp>: select()\n\ |
| 44 | <Key>Shift_L: nothing()\n\ |
| 45 | <Key>Shift_R: nothing()\n\ |
| 46 | <Key>Meta_L: nothing()\n\ |
| 47 | <Key>Meta_R: nothing()\n\ |
| 48 | <Key>Control_L: nothing()\n\ |
| 49 | <Key>Control_R: nothing()\n\ |
| 50 | <Key>Hyper_L: nothing()\n\ |
| 51 | <Key>Hyper_R: nothing()\n\ |
| 52 | <Key>Super_L: nothing()\n\ |
| 53 | <Key>Super_R: nothing()\n\ |
| 54 | <Key>Alt_L: nothing()\n\ |
| 55 | <Key>Alt_R: nothing()\n\ |
| 56 | <Key>Caps_Lock: nothing()\n\ |
| 57 | <Key>Shift_Lock: nothing()\n\ |
| 58 | <KeyUp>Shift_L: nothing()\n\ |
| 59 | <KeyUp>Shift_R: nothing()\n\ |
| 60 | <KeyUp>Meta_L: nothing()\n\ |
| 61 | <KeyUp>Meta_R: nothing()\n\ |
| 62 | <KeyUp>Control_L: nothing()\n\ |
| 63 | <KeyUp>Control_R: nothing()\n\ |
| 64 | <KeyUp>Hyper_L: nothing()\n\ |
| 65 | <KeyUp>Hyper_R: nothing()\n\ |
| 66 | <KeyUp>Super_L: nothing()\n\ |
| 67 | <KeyUp>Super_R: nothing()\n\ |
| 68 | <KeyUp>Alt_L: nothing()\n\ |
| 69 | <KeyUp>Alt_R: nothing()\n\ |
| 70 | <KeyUp>Caps_Lock: nothing()\n\ |
| 71 | <KeyUp>Shift_Lock:nothing()\n\ |
| 72 | <Key>: key()\n\ |
| 73 | <KeyUp>: key()\n\ |
| 74 | "; |
| 75 | |
| 76 | #define offset(field) XtOffset(XlwMenuWidget, field) |
| 77 | static XtResource |
| 78 | xlwMenuResources[] = |
| 79 | { |
| 80 | {XtNfont, XtCFont, XtRFontStruct, sizeof(XFontStruct *), |
| 81 | offset(menu.font),XtRString, "XtDefaultFont"}, |
| 82 | {XtNforeground, XtCForeground, XtRPixel, sizeof(Pixel), |
| 83 | offset(menu.foreground), XtRString, "XtDefaultForeground"}, |
| 84 | {XtNbuttonForeground, XtCButtonForeground, XtRPixel, sizeof(Pixel), |
| 85 | offset(menu.button_foreground), XtRString, "XtDefaultForeground"}, |
| 86 | {XtNmargin, XtCMargin, XtRDimension, sizeof(Dimension), |
| 87 | offset(menu.margin), XtRImmediate, (XtPointer)0}, |
| 88 | {XtNhorizontalSpacing, XtCMargin, XtRDimension, sizeof(Dimension), |
| 89 | offset(menu.horizontal_spacing), XtRImmediate, (XtPointer)3}, |
| 90 | {XtNverticalSpacing, XtCMargin, XtRDimension, sizeof(Dimension), |
| 91 | offset(menu.vertical_spacing), XtRImmediate, (XtPointer)1}, |
| 92 | {XtNarrowSpacing, XtCMargin, XtRDimension, sizeof(Dimension), |
| 93 | offset(menu.arrow_spacing), XtRImmediate, (XtPointer)10}, |
| 94 | |
| 95 | {XmNshadowThickness, XmCShadowThickness, XtRDimension, |
| 96 | sizeof (Dimension), offset (menu.shadow_thickness), |
| 97 | XtRImmediate, (XtPointer) 2}, |
| 98 | {XmNtopShadowColor, XmCTopShadowColor, XtRPixel, sizeof (Pixel), |
| 99 | offset (menu.top_shadow_color), XtRImmediate, (XtPointer)-1}, |
| 100 | {XmNbottomShadowColor, XmCBottomShadowColor, XtRPixel, sizeof (Pixel), |
| 101 | offset (menu.bottom_shadow_color), XtRImmediate, (XtPointer)-1}, |
| 102 | {XmNtopShadowPixmap, XmCTopShadowPixmap, XtRPixmap, sizeof (Pixmap), |
| 103 | offset (menu.top_shadow_pixmap), XtRImmediate, (XtPointer)None}, |
| 104 | {XmNbottomShadowPixmap, XmCBottomShadowPixmap, XtRPixmap, sizeof (Pixmap), |
| 105 | offset (menu.bottom_shadow_pixmap), XtRImmediate, (XtPointer)None}, |
| 106 | |
| 107 | {XtNopen, XtCCallback, XtRCallback, sizeof(XtPointer), |
| 108 | offset(menu.open), XtRCallback, (XtPointer)NULL}, |
| 109 | {XtNselect, XtCCallback, XtRCallback, sizeof(XtPointer), |
| 110 | offset(menu.select), XtRCallback, (XtPointer)NULL}, |
| 111 | {XtNmenu, XtCMenu, XtRPointer, sizeof(XtPointer), |
| 112 | offset(menu.contents), XtRImmediate, (XtPointer)NULL}, |
| 113 | {XtNcursor, XtCCursor, XtRCursor, sizeof(Cursor), |
| 114 | offset(menu.cursor_shape), XtRString, (XtPointer)"right_ptr"}, |
| 115 | {XtNhorizontal, XtCHorizontal, XtRInt, sizeof(int), |
| 116 | offset(menu.horizontal), XtRImmediate, (XtPointer)True}, |
| 117 | }; |
| 118 | #undef offset |
| 119 | |
| 120 | static Boolean XlwMenuSetValues(); |
| 121 | static void XlwMenuRealize(); |
| 122 | static void XlwMenuRedisplay(); |
| 123 | static void XlwMenuResize(); |
| 124 | static void XlwMenuInitialize(); |
| 125 | static void XlwMenuRedisplay(); |
| 126 | static void XlwMenuDestroy(); |
| 127 | static void XlwMenuClassInitialize(); |
| 128 | static void Start(); |
| 129 | static void Drag(); |
| 130 | static void Select(); |
| 131 | static void Key(); |
| 132 | static void Nothing(); |
| 133 | |
| 134 | static XtActionsRec |
| 135 | xlwMenuActionsList [] = |
| 136 | { |
| 137 | {"start", Start}, |
| 138 | {"drag", Drag}, |
| 139 | {"select", Select}, |
| 140 | {"key", Key}, |
| 141 | {"nothing", Nothing}, |
| 142 | }; |
| 143 | |
| 144 | #define SuperClass ((CoreWidgetClass)&coreClassRec) |
| 145 | |
| 146 | XlwMenuClassRec xlwMenuClassRec = |
| 147 | { |
| 148 | { /* CoreClass fields initialization */ |
| 149 | (WidgetClass) SuperClass, /* superclass */ |
| 150 | "XlwMenu", /* class_name */ |
| 151 | sizeof(XlwMenuRec), /* size */ |
| 152 | XlwMenuClassInitialize, /* class_initialize */ |
| 153 | NULL, /* class_part_initialize */ |
| 154 | FALSE, /* class_inited */ |
| 155 | XlwMenuInitialize, /* initialize */ |
| 156 | NULL, /* initialize_hook */ |
| 157 | XlwMenuRealize, /* realize */ |
| 158 | xlwMenuActionsList, /* actions */ |
| 159 | XtNumber(xlwMenuActionsList), /* num_actions */ |
| 160 | xlwMenuResources, /* resources */ |
| 161 | XtNumber(xlwMenuResources), /* resource_count */ |
| 162 | NULLQUARK, /* xrm_class */ |
| 163 | TRUE, /* compress_motion */ |
| 164 | TRUE, /* compress_exposure */ |
| 165 | TRUE, /* compress_enterleave */ |
| 166 | FALSE, /* visible_interest */ |
| 167 | XlwMenuDestroy, /* destroy */ |
| 168 | XlwMenuResize, /* resize */ |
| 169 | XlwMenuRedisplay, /* expose */ |
| 170 | XlwMenuSetValues, /* set_values */ |
| 171 | NULL, /* set_values_hook */ |
| 172 | XtInheritSetValuesAlmost, /* set_values_almost */ |
| 173 | NULL, /* get_values_hook */ |
| 174 | NULL, /* accept_focus */ |
| 175 | XtVersion, /* version */ |
| 176 | NULL, /* callback_private */ |
| 177 | xlwMenuTranslations, /* tm_table */ |
| 178 | XtInheritQueryGeometry, /* query_geometry */ |
| 179 | XtInheritDisplayAccelerator, /* display_accelerator */ |
| 180 | NULL /* extension */ |
| 181 | }, /* XlwMenuClass fields initialization */ |
| 182 | { |
| 183 | 0 /* dummy */ |
| 184 | }, |
| 185 | }; |
| 186 | |
| 187 | WidgetClass xlwMenuWidgetClass = (WidgetClass) &xlwMenuClassRec; |
| 188 | |
| 189 | int submenu_destroyed; |
| 190 | |
| 191 | static int next_release_must_exit; |
| 192 | |
| 193 | \f/* Utilities */ |
| 194 | static void |
| 195 | push_new_stack (mw, val) |
| 196 | XlwMenuWidget mw; |
| 197 | widget_value* val; |
| 198 | { |
| 199 | if (!mw->menu.new_stack) |
| 200 | { |
| 201 | mw->menu.new_stack_length = 10; |
| 202 | mw->menu.new_stack = |
| 203 | (widget_value**)XtCalloc (mw->menu.new_stack_length, |
| 204 | sizeof (widget_value*)); |
| 205 | } |
| 206 | else if (mw->menu.new_depth == mw->menu.new_stack_length) |
| 207 | { |
| 208 | mw->menu.new_stack_length *= 2; |
| 209 | mw->menu.new_stack = |
| 210 | (widget_value**)XtRealloc ((char*)mw->menu.new_stack, |
| 211 | mw->menu.new_stack_length * sizeof (widget_value*)); |
| 212 | } |
| 213 | mw->menu.new_stack [mw->menu.new_depth++] = val; |
| 214 | } |
| 215 | |
| 216 | static void |
| 217 | pop_new_stack_if_no_contents (mw) |
| 218 | XlwMenuWidget mw; |
| 219 | { |
| 220 | if (mw->menu.new_depth) |
| 221 | { |
| 222 | if (!mw->menu.new_stack [mw->menu.new_depth - 1]->contents) |
| 223 | mw->menu.new_depth -= 1; |
| 224 | } |
| 225 | } |
| 226 | |
| 227 | static void |
| 228 | make_old_stack_space (mw, n) |
| 229 | XlwMenuWidget mw; |
| 230 | int n; |
| 231 | { |
| 232 | if (!mw->menu.old_stack) |
| 233 | { |
| 234 | mw->menu.old_stack_length = 10; |
| 235 | mw->menu.old_stack = |
| 236 | (widget_value**)XtCalloc (mw->menu.old_stack_length, |
| 237 | sizeof (widget_value*)); |
| 238 | } |
| 239 | else if (mw->menu.old_stack_length < n) |
| 240 | { |
| 241 | mw->menu.old_stack_length *= 2; |
| 242 | mw->menu.old_stack = |
| 243 | (widget_value**)XtRealloc ((char*)mw->menu.old_stack, |
| 244 | mw->menu.old_stack_length * sizeof (widget_value*)); |
| 245 | } |
| 246 | } |
| 247 | |
| 248 | \f/* Size code */ |
| 249 | static Boolean |
| 250 | all_dashes_p (s) |
| 251 | char *s; |
| 252 | { |
| 253 | char* p; |
| 254 | for (p = s; *p == '-'; p++); |
| 255 | return !*p; |
| 256 | } |
| 257 | |
| 258 | int |
| 259 | string_width (mw, s) |
| 260 | XlwMenuWidget mw; |
| 261 | char *s; |
| 262 | { |
| 263 | XCharStruct xcs; |
| 264 | int drop; |
| 265 | |
| 266 | XTextExtents (mw->menu.font, s, strlen (s), &drop, &drop, &drop, &xcs); |
| 267 | return xcs.width; |
| 268 | } |
| 269 | |
| 270 | static int |
| 271 | arrow_width (mw) |
| 272 | XlwMenuWidget mw; |
| 273 | { |
| 274 | return mw->menu.font->ascent / 2 | 1; |
| 275 | } |
| 276 | |
| 277 | static XtResource |
| 278 | nameResource[] = |
| 279 | { |
| 280 | {"labelString", "LabelString", XtRString, sizeof(String), |
| 281 | 0, XtRImmediate, 0}, |
| 282 | }; |
| 283 | |
| 284 | static char* |
| 285 | resource_widget_value (mw, val) |
| 286 | XlwMenuWidget mw; |
| 287 | widget_value *val; |
| 288 | { |
| 289 | if (!val->toolkit_data) |
| 290 | { |
| 291 | char* resourced_name = NULL; |
| 292 | char* complete_name; |
| 293 | XtGetSubresources ((Widget) mw, |
| 294 | (XtPointer) &resourced_name, |
| 295 | val->name, val->name, |
| 296 | nameResource, 1, NULL, 0); |
| 297 | if (!resourced_name) |
| 298 | resourced_name = val->name; |
| 299 | if (!val->value) |
| 300 | { |
| 301 | complete_name = (char *) XtMalloc (strlen (resourced_name) + 1); |
| 302 | strcpy (complete_name, resourced_name); |
| 303 | } |
| 304 | else |
| 305 | { |
| 306 | int complete_length = |
| 307 | strlen (resourced_name) + strlen (val->value) + 2; |
| 308 | complete_name = XtMalloc (complete_length); |
| 309 | *complete_name = 0; |
| 310 | strcat (complete_name, resourced_name); |
| 311 | strcat (complete_name, " "); |
| 312 | strcat (complete_name, val->value); |
| 313 | } |
| 314 | |
| 315 | val->toolkit_data = complete_name; |
| 316 | val->free_toolkit_data = True; |
| 317 | } |
| 318 | return (char*)val->toolkit_data; |
| 319 | } |
| 320 | |
| 321 | /* Returns the sizes of an item */ |
| 322 | static void |
| 323 | size_menu_item (mw, val, horizontal_p, label_width, rest_width, height) |
| 324 | XlwMenuWidget mw; |
| 325 | widget_value* val; |
| 326 | int horizontal_p; |
| 327 | int* label_width; |
| 328 | int* rest_width; |
| 329 | int* height; |
| 330 | { |
| 331 | if (all_dashes_p (val->name)) |
| 332 | { |
| 333 | *height = 2; |
| 334 | *label_width = 1; |
| 335 | *rest_width = 0; |
| 336 | } |
| 337 | else |
| 338 | { |
| 339 | *height = |
| 340 | mw->menu.font->ascent + mw->menu.font->descent |
| 341 | + 2 * mw->menu.vertical_spacing + 2 * mw->menu.shadow_thickness; |
| 342 | |
| 343 | *label_width = |
| 344 | string_width (mw, resource_widget_value (mw, val)) |
| 345 | + mw->menu.horizontal_spacing + mw->menu.shadow_thickness; |
| 346 | |
| 347 | *rest_width = mw->menu.horizontal_spacing + mw->menu.shadow_thickness; |
| 348 | if (!horizontal_p) |
| 349 | { |
| 350 | if (val->contents) |
| 351 | *rest_width += arrow_width (mw) + mw->menu.arrow_spacing; |
| 352 | else if (val->key) |
| 353 | *rest_width += |
| 354 | string_width (mw, val->key) + mw->menu.arrow_spacing; |
| 355 | } |
| 356 | } |
| 357 | } |
| 358 | |
| 359 | static void |
| 360 | size_menu (mw, level) |
| 361 | XlwMenuWidget mw; |
| 362 | int level; |
| 363 | { |
| 364 | unsigned int label_width = 0; |
| 365 | int rest_width = 0; |
| 366 | int max_rest_width = 0; |
| 367 | unsigned int height = 0; |
| 368 | int horizontal_p = mw->menu.horizontal && (level == 0); |
| 369 | widget_value* val; |
| 370 | window_state* ws; |
| 371 | |
| 372 | if (level >= mw->menu.old_depth) |
| 373 | abort (); |
| 374 | |
| 375 | ws = &mw->menu.windows [level]; |
| 376 | ws->width = 0; |
| 377 | ws->height = 0; |
| 378 | ws->label_width = 0; |
| 379 | |
| 380 | for (val = mw->menu.old_stack [level]->contents; val; val = val->next) |
| 381 | { |
| 382 | size_menu_item (mw, val, horizontal_p, &label_width, &rest_width, |
| 383 | &height); |
| 384 | if (horizontal_p) |
| 385 | { |
| 386 | ws->width += label_width + rest_width; |
| 387 | if (height > ws->height) |
| 388 | ws->height = height; |
| 389 | } |
| 390 | else |
| 391 | { |
| 392 | if (label_width > ws->label_width) |
| 393 | ws->label_width = label_width; |
| 394 | if (rest_width > max_rest_width) |
| 395 | max_rest_width = rest_width; |
| 396 | ws->height += height; |
| 397 | } |
| 398 | } |
| 399 | |
| 400 | if (horizontal_p) |
| 401 | ws->label_width = 0; |
| 402 | else |
| 403 | ws->width = ws->label_width + max_rest_width; |
| 404 | |
| 405 | ws->width += 2 * mw->menu.shadow_thickness; |
| 406 | ws->height += 2 * mw->menu.shadow_thickness; |
| 407 | } |
| 408 | |
| 409 | |
| 410 | \f/* Display code */ |
| 411 | static void |
| 412 | draw_arrow (mw, window, gc, x, y, width) |
| 413 | XlwMenuWidget mw; |
| 414 | Window window; |
| 415 | GC gc; |
| 416 | int x; |
| 417 | int y; |
| 418 | int width; |
| 419 | { |
| 420 | XPoint points [3]; |
| 421 | points [0].x = x; |
| 422 | points [0].y = y + mw->menu.font->ascent; |
| 423 | points [1].x = x; |
| 424 | points [1].y = y; |
| 425 | points [2].x = x + width; |
| 426 | points [2].y = y + mw->menu.font->ascent / 2; |
| 427 | |
| 428 | XFillPolygon (XtDisplay (mw), window, gc, points, 3, Convex, |
| 429 | CoordModeOrigin); |
| 430 | } |
| 431 | |
| 432 | static void |
| 433 | draw_shadow_rectangle (mw, window, x, y, width, height, erase_p) |
| 434 | XlwMenuWidget mw; |
| 435 | Window window; |
| 436 | int x; |
| 437 | int y; |
| 438 | int width; |
| 439 | int height; |
| 440 | int erase_p; |
| 441 | { |
| 442 | Display *dpy = XtDisplay (mw); |
| 443 | GC top_gc = !erase_p ? mw->menu.shadow_top_gc : mw->menu.background_gc; |
| 444 | GC bottom_gc = !erase_p ? mw->menu.shadow_bottom_gc : mw->menu.background_gc; |
| 445 | int thickness = mw->menu.shadow_thickness; |
| 446 | XPoint points [4]; |
| 447 | points [0].x = x; |
| 448 | points [0].y = y; |
| 449 | points [1].x = x + width; |
| 450 | points [1].y = y; |
| 451 | points [2].x = x + width - thickness; |
| 452 | points [2].y = y + thickness; |
| 453 | points [3].x = x; |
| 454 | points [3].y = y + thickness; |
| 455 | XFillPolygon (dpy, window, top_gc, points, 4, Convex, CoordModeOrigin); |
| 456 | points [0].x = x; |
| 457 | points [0].y = y + thickness; |
| 458 | points [1].x = x; |
| 459 | points [1].y = y + height; |
| 460 | points [2].x = x + thickness; |
| 461 | points [2].y = y + height - thickness; |
| 462 | points [3].x = x + thickness; |
| 463 | points [3].y = y + thickness; |
| 464 | XFillPolygon (dpy, window, top_gc, points, 4, Convex, CoordModeOrigin); |
| 465 | points [0].x = x + width; |
| 466 | points [0].y = y; |
| 467 | points [1].x = x + width - thickness; |
| 468 | points [1].y = y + thickness; |
| 469 | points [2].x = x + width - thickness; |
| 470 | points [2].y = y + height - thickness; |
| 471 | points [3].x = x + width; |
| 472 | points [3].y = y + height - thickness; |
| 473 | XFillPolygon (dpy, window, bottom_gc, points, 4, Convex, CoordModeOrigin); |
| 474 | points [0].x = x; |
| 475 | points [0].y = y + height; |
| 476 | points [1].x = x + width; |
| 477 | points [1].y = y + height; |
| 478 | points [2].x = x + width; |
| 479 | points [2].y = y + height - thickness; |
| 480 | points [3].x = x + thickness; |
| 481 | points [3].y = y + height - thickness; |
| 482 | XFillPolygon (dpy, window, bottom_gc, points, 4, Convex, CoordModeOrigin); |
| 483 | } |
| 484 | |
| 485 | |
| 486 | /* Display the menu item and increment where.x and where.y to show how large |
| 487 | ** the menu item was. |
| 488 | */ |
| 489 | static void |
| 490 | display_menu_item (mw, val, ws, where, highlighted_p, horizontal_p, just_compute_p) |
| 491 | XlwMenuWidget mw; |
| 492 | widget_value* val; |
| 493 | window_state* ws; |
| 494 | XPoint* where; |
| 495 | Boolean highlighted_p; |
| 496 | Boolean horizontal_p; |
| 497 | Boolean just_compute_p; |
| 498 | { |
| 499 | GC deco_gc; |
| 500 | GC text_gc; |
| 501 | int font_ascent = mw->menu.font->ascent; |
| 502 | int font_descent = mw->menu.font->descent; |
| 503 | int shadow = mw->menu.shadow_thickness; |
| 504 | int separator_p = all_dashes_p (val->name); |
| 505 | int h_spacing = mw->menu.horizontal_spacing; |
| 506 | int v_spacing = mw->menu.vertical_spacing; |
| 507 | int label_width; |
| 508 | int rest_width; |
| 509 | int height; |
| 510 | int width; |
| 511 | int button_p; |
| 512 | |
| 513 | /* compute the sizes of the item */ |
| 514 | size_menu_item (mw, val, horizontal_p, &label_width, &rest_width, &height); |
| 515 | |
| 516 | if (horizontal_p) |
| 517 | width = label_width + rest_width; |
| 518 | else |
| 519 | { |
| 520 | label_width = ws->label_width; |
| 521 | width = ws->width - 2 * shadow; |
| 522 | } |
| 523 | |
| 524 | #if 0 |
| 525 | /* see if it should be a button in the menubar */ |
| 526 | button_p = horizontal_p && val->call_data; |
| 527 | #endif |
| 528 | button_p = 0; |
| 529 | |
| 530 | /* Only highlight an enabled item that has a callback. */ |
| 531 | if (highlighted_p) |
| 532 | if (!val->enabled || !(val->call_data || val->contents)) |
| 533 | highlighted_p = 0; |
| 534 | |
| 535 | /* do the drawing. */ |
| 536 | if (!just_compute_p) |
| 537 | { |
| 538 | /* Add the shadow border of the containing menu */ |
| 539 | int x = where->x + shadow; |
| 540 | int y = where->y + shadow; |
| 541 | |
| 542 | /* pick the foreground and background GC. */ |
| 543 | if (val->enabled) |
| 544 | text_gc = button_p ? mw->menu.button_gc : mw->menu.foreground_gc; |
| 545 | else |
| 546 | text_gc = |
| 547 | button_p ? mw->menu.inactive_button_gc : mw->menu.inactive_gc; |
| 548 | deco_gc = mw->menu.foreground_gc; |
| 549 | |
| 550 | if (separator_p) |
| 551 | { |
| 552 | XDrawLine (XtDisplay (mw), ws->window, mw->menu.shadow_bottom_gc, |
| 553 | x, y, x + width, y); |
| 554 | XDrawLine (XtDisplay (mw), ws->window, mw->menu.shadow_top_gc, |
| 555 | x, y + 1, x + width, y + 1); |
| 556 | } |
| 557 | else |
| 558 | { |
| 559 | int x_offset = x + h_spacing + shadow; |
| 560 | char* display_string = resource_widget_value (mw, val); |
| 561 | draw_shadow_rectangle (mw, ws->window, x, y, width, height, True); |
| 562 | |
| 563 | /* Deal with centering a menu title. */ |
| 564 | if (!horizontal_p && !val->contents && !val->call_data) |
| 565 | { |
| 566 | int l = string_width (mw, display_string); |
| 567 | |
| 568 | if (width > l) |
| 569 | x_offset = (width - l) >> 1; |
| 570 | } |
| 571 | XDrawString (XtDisplay (mw), ws->window, text_gc, x_offset, |
| 572 | y + v_spacing + shadow + font_ascent, |
| 573 | display_string, strlen (display_string)); |
| 574 | |
| 575 | if (!horizontal_p) |
| 576 | { |
| 577 | if (val->contents) |
| 578 | { |
| 579 | int a_w = arrow_width (mw); |
| 580 | draw_arrow (mw, ws->window, deco_gc, |
| 581 | x + width - arrow_width (mw) |
| 582 | - mw->menu.horizontal_spacing |
| 583 | - mw->menu.shadow_thickness, |
| 584 | y + v_spacing + shadow, a_w); |
| 585 | } |
| 586 | else if (val->key) |
| 587 | { |
| 588 | XDrawString (XtDisplay (mw), ws->window, text_gc, |
| 589 | x + label_width + mw->menu.arrow_spacing, |
| 590 | y + v_spacing + shadow + font_ascent, |
| 591 | val->key, strlen (val->key)); |
| 592 | } |
| 593 | } |
| 594 | |
| 595 | else if (button_p) |
| 596 | { |
| 597 | #if 1 |
| 598 | XDrawRectangle (XtDisplay (mw), ws->window, deco_gc, |
| 599 | x + shadow, y + shadow, |
| 600 | label_width + h_spacing - 1, |
| 601 | font_ascent + font_descent + 2 * v_spacing - 1); |
| 602 | draw_shadow_rectangle (mw, ws->window, x, y, width, height, |
| 603 | False); |
| 604 | #else |
| 605 | highlighted_p = True; |
| 606 | #endif |
| 607 | } |
| 608 | else |
| 609 | { |
| 610 | XDrawRectangle (XtDisplay (mw), ws->window, |
| 611 | mw->menu.background_gc, |
| 612 | x + shadow, y + shadow, |
| 613 | label_width + h_spacing - 1, |
| 614 | font_ascent + font_descent + 2 * v_spacing - 1); |
| 615 | draw_shadow_rectangle (mw, ws->window, x, y, width, height, |
| 616 | True); |
| 617 | } |
| 618 | |
| 619 | if (highlighted_p) |
| 620 | draw_shadow_rectangle (mw, ws->window, x, y, width, height, False); |
| 621 | } |
| 622 | } |
| 623 | |
| 624 | where->x += width; |
| 625 | where->y += height; |
| 626 | } |
| 627 | |
| 628 | static void |
| 629 | display_menu (mw, level, just_compute_p, highlighted_pos, hit, hit_return, |
| 630 | this, that) |
| 631 | XlwMenuWidget mw; |
| 632 | int level; |
| 633 | Boolean just_compute_p; |
| 634 | XPoint* highlighted_pos; |
| 635 | XPoint* hit; |
| 636 | widget_value** hit_return; |
| 637 | widget_value* this; |
| 638 | widget_value* that; |
| 639 | { |
| 640 | widget_value* val; |
| 641 | widget_value* following_item; |
| 642 | window_state* ws; |
| 643 | XPoint where; |
| 644 | int horizontal_p = mw->menu.horizontal && (level == 0); |
| 645 | int highlighted_p; |
| 646 | int just_compute_this_one_p; |
| 647 | /* This is set nonzero if the element containing HIGHLIGHTED_POS |
| 648 | is disabled, so that we do not return any subsequent element either. */ |
| 649 | int no_return = 0; |
| 650 | |
| 651 | if (level >= mw->menu.old_depth) |
| 652 | abort (); |
| 653 | |
| 654 | if (level < mw->menu.old_depth - 1) |
| 655 | following_item = mw->menu.old_stack [level + 1]; |
| 656 | else |
| 657 | following_item = NULL; |
| 658 | |
| 659 | if (hit) |
| 660 | *hit_return = NULL; |
| 661 | |
| 662 | where.x = 0; |
| 663 | where.y = 0; |
| 664 | |
| 665 | ws = &mw->menu.windows [level]; |
| 666 | for (val = mw->menu.old_stack [level]->contents; val; val = val->next) |
| 667 | { |
| 668 | highlighted_p = val == following_item; |
| 669 | if (highlighted_p && highlighted_pos) |
| 670 | { |
| 671 | if (horizontal_p) |
| 672 | highlighted_pos->x = where.x; |
| 673 | else |
| 674 | highlighted_pos->y = where.y; |
| 675 | } |
| 676 | |
| 677 | just_compute_this_one_p = |
| 678 | just_compute_p || ((this || that) && val != this && val != that); |
| 679 | |
| 680 | display_menu_item (mw, val, ws, &where, highlighted_p, horizontal_p, |
| 681 | just_compute_this_one_p); |
| 682 | |
| 683 | if (highlighted_p && highlighted_pos) |
| 684 | { |
| 685 | if (horizontal_p) |
| 686 | highlighted_pos->y = where.y; |
| 687 | else |
| 688 | highlighted_pos->x = where.x; |
| 689 | } |
| 690 | |
| 691 | if (hit |
| 692 | && !*hit_return |
| 693 | && (horizontal_p ? hit->x < where.x : hit->y < where.y) |
| 694 | && !all_dashes_p (val->name) |
| 695 | && !no_return) |
| 696 | { |
| 697 | if (val->enabled) |
| 698 | *hit_return = val; |
| 699 | else |
| 700 | no_return = 1; |
| 701 | } |
| 702 | |
| 703 | if (horizontal_p) |
| 704 | where.y = 0; |
| 705 | else |
| 706 | where.x = 0; |
| 707 | } |
| 708 | |
| 709 | if (!just_compute_p) |
| 710 | draw_shadow_rectangle (mw, ws->window, 0, 0, ws->width, ws->height, False); |
| 711 | } |
| 712 | |
| 713 | \f/* Motion code */ |
| 714 | static void |
| 715 | set_new_state (mw, val, level) |
| 716 | XlwMenuWidget mw; |
| 717 | widget_value* val; |
| 718 | int level; |
| 719 | { |
| 720 | int i; |
| 721 | |
| 722 | mw->menu.new_depth = 0; |
| 723 | for (i = 0; i < level; i++) |
| 724 | push_new_stack (mw, mw->menu.old_stack [i]); |
| 725 | push_new_stack (mw, val); |
| 726 | } |
| 727 | |
| 728 | static void |
| 729 | make_windows_if_needed (mw, n) |
| 730 | XlwMenuWidget mw; |
| 731 | int n; |
| 732 | { |
| 733 | int i; |
| 734 | int start_at; |
| 735 | XSetWindowAttributes xswa; |
| 736 | int mask; |
| 737 | Window root = RootWindowOfScreen (DefaultScreenOfDisplay (XtDisplay (mw))); |
| 738 | window_state* windows; |
| 739 | |
| 740 | if (mw->menu.windows_length >= n) |
| 741 | return; |
| 742 | |
| 743 | xswa.save_under = True; |
| 744 | xswa.override_redirect = True; |
| 745 | xswa.background_pixel = mw->core.background_pixel; |
| 746 | xswa.border_pixel = mw->core.border_pixel; |
| 747 | xswa.event_mask = |
| 748 | ExposureMask | PointerMotionMask | PointerMotionHintMask |
| 749 | | ButtonReleaseMask | ButtonPressMask; |
| 750 | xswa.cursor = mw->menu.cursor_shape; |
| 751 | mask = CWSaveUnder | CWOverrideRedirect | CWBackPixel | CWBorderPixel |
| 752 | | CWEventMask | CWCursor; |
| 753 | |
| 754 | if (!mw->menu.windows) |
| 755 | { |
| 756 | mw->menu.windows = |
| 757 | (window_state*)XtMalloc (n * sizeof (window_state)); |
| 758 | start_at = 0; |
| 759 | } |
| 760 | else |
| 761 | { |
| 762 | mw->menu.windows = |
| 763 | (window_state*)XtRealloc ((char*)mw->menu.windows, |
| 764 | n * sizeof (window_state)); |
| 765 | start_at = mw->menu.windows_length; |
| 766 | } |
| 767 | mw->menu.windows_length = n; |
| 768 | |
| 769 | windows = mw->menu.windows; |
| 770 | |
| 771 | for (i = start_at; i < n; i++) |
| 772 | { |
| 773 | windows [i].x = 0; |
| 774 | windows [i].y = 0; |
| 775 | windows [i].width = 1; |
| 776 | windows [i].height = 1; |
| 777 | windows [i].window = |
| 778 | XCreateWindow (XtDisplay (mw), root, 0, 0, 1, 1, |
| 779 | 0, 0, CopyFromParent, CopyFromParent, mask, &xswa); |
| 780 | } |
| 781 | } |
| 782 | |
| 783 | /* Make the window fit in the screen */ |
| 784 | static void |
| 785 | fit_to_screen (mw, ws, previous_ws, horizontal_p) |
| 786 | XlwMenuWidget mw; |
| 787 | window_state* ws; |
| 788 | window_state* previous_ws; |
| 789 | Boolean horizontal_p; |
| 790 | { |
| 791 | unsigned int screen_width = WidthOfScreen (XtScreen (mw)); |
| 792 | unsigned int screen_height = HeightOfScreen (XtScreen (mw)); |
| 793 | /* 1 if we are unable to avoid an overlap between |
| 794 | this menu and the parent menu in the X dimension. */ |
| 795 | int horizontal_overlap = 0; |
| 796 | |
| 797 | if (ws->x < 0) |
| 798 | ws->x = 0; |
| 799 | else if (ws->x + ws->width > screen_width) |
| 800 | { |
| 801 | if (!horizontal_p) |
| 802 | ws->x = previous_ws->x - ws->width; |
| 803 | else |
| 804 | ws->x = screen_width - ws->width; |
| 805 | if (ws->x < 0) |
| 806 | { |
| 807 | ws->x = 0; |
| 808 | horizontal_overlap = 1; |
| 809 | } |
| 810 | } |
| 811 | /* If we overlap in X, try to avoid overlap in Y. */ |
| 812 | if (horizontal_overlap |
| 813 | && ws->y < previous_ws->y + previous_ws->height |
| 814 | && previous_ws->y < ws->y + ws->height) |
| 815 | { |
| 816 | /* Put this menu right below or right above PREVIOUS_WS |
| 817 | if there's room. */ |
| 818 | if (previous_ws->y + previous_ws->height + ws->height < screen_height) |
| 819 | ws->y = previous_ws->y + previous_ws->height; |
| 820 | else if (previous_ws->y - ws->height > 0) |
| 821 | ws->y = previous_ws->y - ws->height; |
| 822 | } |
| 823 | |
| 824 | if (ws->y < 0) |
| 825 | ws->y = 0; |
| 826 | else if (ws->y + ws->height > screen_height) |
| 827 | { |
| 828 | if (horizontal_p) |
| 829 | ws->y = previous_ws->y - ws->height; |
| 830 | else |
| 831 | ws->y = screen_height - ws->height; |
| 832 | if (ws->y < 0) |
| 833 | ws->y = 0; |
| 834 | } |
| 835 | } |
| 836 | |
| 837 | /* Updates old_stack from new_stack and redisplays. */ |
| 838 | static void |
| 839 | remap_menubar (mw) |
| 840 | XlwMenuWidget mw; |
| 841 | { |
| 842 | int i; |
| 843 | int last_same; |
| 844 | XPoint selection_position; |
| 845 | int old_depth = mw->menu.old_depth; |
| 846 | int new_depth = mw->menu.new_depth; |
| 847 | widget_value** old_stack; |
| 848 | widget_value** new_stack; |
| 849 | window_state* windows; |
| 850 | widget_value* old_selection; |
| 851 | widget_value* new_selection; |
| 852 | |
| 853 | /* Check that enough windows and old_stack are ready. */ |
| 854 | make_windows_if_needed (mw, new_depth); |
| 855 | make_old_stack_space (mw, new_depth); |
| 856 | windows = mw->menu.windows; |
| 857 | old_stack = mw->menu.old_stack; |
| 858 | new_stack = mw->menu.new_stack; |
| 859 | |
| 860 | /* compute the last identical different entry */ |
| 861 | for (i = 1; i < old_depth && i < new_depth; i++) |
| 862 | if (old_stack [i] != new_stack [i]) |
| 863 | break; |
| 864 | last_same = i - 1; |
| 865 | |
| 866 | /* Memorize the previously selected item to be able to refresh it */ |
| 867 | old_selection = last_same + 1 < old_depth ? old_stack [last_same + 1] : NULL; |
| 868 | if (old_selection && !old_selection->enabled) |
| 869 | old_selection = NULL; |
| 870 | new_selection = last_same + 1 < new_depth ? new_stack [last_same + 1] : NULL; |
| 871 | if (new_selection && !new_selection->enabled) |
| 872 | new_selection = NULL; |
| 873 | |
| 874 | /* updates old_state from new_state. It has to be done now because |
| 875 | display_menu (called below) uses the old_stack to know what to display. */ |
| 876 | for (i = last_same + 1; i < new_depth; i++) |
| 877 | old_stack [i] = new_stack [i]; |
| 878 | mw->menu.old_depth = new_depth; |
| 879 | |
| 880 | /* refresh the last selection */ |
| 881 | selection_position.x = 0; |
| 882 | selection_position.y = 0; |
| 883 | display_menu (mw, last_same, new_selection == old_selection, |
| 884 | &selection_position, NULL, NULL, old_selection, new_selection); |
| 885 | |
| 886 | /* Now place the new menus. */ |
| 887 | for (i = last_same + 1; i < new_depth && new_stack[i]->contents; i++) |
| 888 | { |
| 889 | window_state *previous_ws = &windows[i - 1]; |
| 890 | window_state *ws = &windows[i]; |
| 891 | |
| 892 | ws->x |
| 893 | = previous_ws->x + selection_position.x + mw->menu.shadow_thickness; |
| 894 | if (!mw->menu.horizontal || i > 1) |
| 895 | ws->x += mw->menu.shadow_thickness; |
| 896 | ws->y |
| 897 | = previous_ws->y + selection_position.y + mw->menu.shadow_thickness; |
| 898 | |
| 899 | size_menu (mw, i); |
| 900 | |
| 901 | fit_to_screen (mw, ws, previous_ws, mw->menu.horizontal && i == 1); |
| 902 | |
| 903 | XClearWindow (XtDisplay (mw), ws->window); |
| 904 | XMoveResizeWindow (XtDisplay (mw), ws->window, ws->x, ws->y, |
| 905 | ws->width, ws->height); |
| 906 | XMapRaised (XtDisplay (mw), ws->window); |
| 907 | display_menu (mw, i, False, &selection_position, NULL, NULL, NULL, NULL); |
| 908 | } |
| 909 | |
| 910 | /* unmap the menus that popped down */ |
| 911 | for (i = new_depth - 1; i < old_depth; i++) |
| 912 | if (i >= new_depth || !new_stack[i]->contents) |
| 913 | XUnmapWindow (XtDisplay (mw), windows[i].window); |
| 914 | } |
| 915 | |
| 916 | static Boolean |
| 917 | motion_event_is_in_menu (mw, ev, level, relative_pos) |
| 918 | XlwMenuWidget mw; |
| 919 | XMotionEvent* ev; |
| 920 | int level; |
| 921 | XPoint* relative_pos; |
| 922 | { |
| 923 | window_state* ws = &mw->menu.windows [level]; |
| 924 | int shadow = level == 0 ? 0 : mw->menu.shadow_thickness; |
| 925 | int x = ws->x + shadow; |
| 926 | int y = ws->y + shadow; |
| 927 | relative_pos->x = ev->x_root - x; |
| 928 | relative_pos->y = ev->y_root - y; |
| 929 | return (x - shadow < ev->x_root && ev->x_root < x + ws->width |
| 930 | && y - shadow < ev->y_root && ev->y_root < y + ws->height); |
| 931 | } |
| 932 | |
| 933 | static Boolean |
| 934 | map_event_to_widget_value (mw, ev, val, level) |
| 935 | XlwMenuWidget mw; |
| 936 | XMotionEvent* ev; |
| 937 | widget_value** val; |
| 938 | int* level; |
| 939 | { |
| 940 | int i; |
| 941 | XPoint relative_pos; |
| 942 | window_state* ws; |
| 943 | |
| 944 | *val = NULL; |
| 945 | |
| 946 | /* Find the window */ |
| 947 | for (i = mw->menu.old_depth - 1; i >= 0; i--) |
| 948 | { |
| 949 | ws = &mw->menu.windows [i]; |
| 950 | if (ws && motion_event_is_in_menu (mw, ev, i, &relative_pos)) |
| 951 | { |
| 952 | display_menu (mw, i, True, NULL, &relative_pos, val, NULL, NULL); |
| 953 | |
| 954 | if (*val) |
| 955 | { |
| 956 | *level = i + 1; |
| 957 | return True; |
| 958 | } |
| 959 | } |
| 960 | } |
| 961 | return False; |
| 962 | } |
| 963 | |
| 964 | \f/* Procedures */ |
| 965 | static void |
| 966 | make_drawing_gcs (mw) |
| 967 | XlwMenuWidget mw; |
| 968 | { |
| 969 | XGCValues xgcv; |
| 970 | |
| 971 | xgcv.font = mw->menu.font->fid; |
| 972 | xgcv.foreground = mw->menu.foreground; |
| 973 | xgcv.background = mw->core.background_pixel; |
| 974 | mw->menu.foreground_gc = XtGetGC ((Widget)mw, |
| 975 | GCFont | GCForeground | GCBackground, |
| 976 | &xgcv); |
| 977 | |
| 978 | xgcv.font = mw->menu.font->fid; |
| 979 | xgcv.foreground = mw->menu.button_foreground; |
| 980 | xgcv.background = mw->core.background_pixel; |
| 981 | mw->menu.button_gc = XtGetGC ((Widget)mw, |
| 982 | GCFont | GCForeground | GCBackground, |
| 983 | &xgcv); |
| 984 | |
| 985 | xgcv.font = mw->menu.font->fid; |
| 986 | xgcv.foreground = mw->menu.foreground; |
| 987 | xgcv.background = mw->core.background_pixel; |
| 988 | xgcv.fill_style = FillStippled; |
| 989 | xgcv.stipple = mw->menu.gray_pixmap; |
| 990 | mw->menu.inactive_gc = XtGetGC ((Widget)mw, |
| 991 | (GCFont | GCForeground | GCBackground |
| 992 | | GCFillStyle | GCStipple), &xgcv); |
| 993 | |
| 994 | xgcv.font = mw->menu.font->fid; |
| 995 | xgcv.foreground = mw->menu.button_foreground; |
| 996 | xgcv.background = mw->core.background_pixel; |
| 997 | xgcv.fill_style = FillStippled; |
| 998 | xgcv.stipple = mw->menu.gray_pixmap; |
| 999 | mw->menu.inactive_button_gc = XtGetGC ((Widget)mw, |
| 1000 | (GCFont | GCForeground | GCBackground |
| 1001 | | GCFillStyle | GCStipple), &xgcv); |
| 1002 | |
| 1003 | xgcv.font = mw->menu.font->fid; |
| 1004 | xgcv.foreground = mw->core.background_pixel; |
| 1005 | xgcv.background = mw->menu.foreground; |
| 1006 | mw->menu.background_gc = XtGetGC ((Widget)mw, |
| 1007 | GCFont | GCForeground | GCBackground, |
| 1008 | &xgcv); |
| 1009 | } |
| 1010 | |
| 1011 | static void |
| 1012 | release_drawing_gcs (mw) |
| 1013 | XlwMenuWidget mw; |
| 1014 | { |
| 1015 | XtReleaseGC ((Widget) mw, mw->menu.foreground_gc); |
| 1016 | XtReleaseGC ((Widget) mw, mw->menu.button_gc); |
| 1017 | XtReleaseGC ((Widget) mw, mw->menu.inactive_gc); |
| 1018 | XtReleaseGC ((Widget) mw, mw->menu.inactive_button_gc); |
| 1019 | XtReleaseGC ((Widget) mw, mw->menu.background_gc); |
| 1020 | /* let's get some segvs if we try to use these... */ |
| 1021 | mw->menu.foreground_gc = (GC) -1; |
| 1022 | mw->menu.button_gc = (GC) -1; |
| 1023 | mw->menu.inactive_gc = (GC) -1; |
| 1024 | mw->menu.inactive_button_gc = (GC) -1; |
| 1025 | mw->menu.background_gc = (GC) -1; |
| 1026 | } |
| 1027 | |
| 1028 | #define MINL(x,y) ((((unsigned long) (x)) < ((unsigned long) (y))) \ |
| 1029 | ? ((unsigned long) (x)) : ((unsigned long) (y))) |
| 1030 | |
| 1031 | static void |
| 1032 | make_shadow_gcs (mw) |
| 1033 | XlwMenuWidget mw; |
| 1034 | { |
| 1035 | XGCValues xgcv; |
| 1036 | unsigned long pm = 0; |
| 1037 | Display *dpy = XtDisplay ((Widget) mw); |
| 1038 | Colormap cmap = DefaultColormapOfScreen (XtScreen ((Widget) mw)); |
| 1039 | XColor topc, botc; |
| 1040 | int top_frobbed = 0, bottom_frobbed = 0; |
| 1041 | |
| 1042 | if (mw->menu.top_shadow_color == -1) |
| 1043 | mw->menu.top_shadow_color = mw->core.background_pixel; |
| 1044 | if (mw->menu.bottom_shadow_color == -1) |
| 1045 | mw->menu.bottom_shadow_color = mw->menu.foreground; |
| 1046 | |
| 1047 | if (mw->menu.top_shadow_color == mw->core.background_pixel || |
| 1048 | mw->menu.top_shadow_color == mw->menu.foreground) |
| 1049 | { |
| 1050 | topc.pixel = mw->core.background_pixel; |
| 1051 | XQueryColor (dpy, cmap, &topc); |
| 1052 | /* don't overflow/wrap! */ |
| 1053 | topc.red = MINL (65535, topc.red * 1.2); |
| 1054 | topc.green = MINL (65535, topc.green * 1.2); |
| 1055 | topc.blue = MINL (65535, topc.blue * 1.2); |
| 1056 | if (XAllocColor (dpy, cmap, &topc)) |
| 1057 | { |
| 1058 | mw->menu.top_shadow_color = topc.pixel; |
| 1059 | top_frobbed = 1; |
| 1060 | } |
| 1061 | } |
| 1062 | if (mw->menu.bottom_shadow_color == mw->menu.foreground || |
| 1063 | mw->menu.bottom_shadow_color == mw->core.background_pixel) |
| 1064 | { |
| 1065 | botc.pixel = mw->core.background_pixel; |
| 1066 | XQueryColor (dpy, cmap, &botc); |
| 1067 | botc.red *= 0.6; |
| 1068 | botc.green *= 0.6; |
| 1069 | botc.blue *= 0.6; |
| 1070 | if (XAllocColor (dpy, cmap, &botc)) |
| 1071 | { |
| 1072 | mw->menu.bottom_shadow_color = botc.pixel; |
| 1073 | bottom_frobbed = 1; |
| 1074 | } |
| 1075 | } |
| 1076 | |
| 1077 | if (top_frobbed && bottom_frobbed) |
| 1078 | { |
| 1079 | int top_avg = ((topc.red / 3) + (topc.green / 3) + (topc.blue / 3)); |
| 1080 | int bot_avg = ((botc.red / 3) + (botc.green / 3) + (botc.blue / 3)); |
| 1081 | if (bot_avg > top_avg) |
| 1082 | { |
| 1083 | Pixel tmp = mw->menu.top_shadow_color; |
| 1084 | mw->menu.top_shadow_color = mw->menu.bottom_shadow_color; |
| 1085 | mw->menu.bottom_shadow_color = tmp; |
| 1086 | } |
| 1087 | else if (topc.pixel == botc.pixel) |
| 1088 | { |
| 1089 | if (botc.pixel == mw->menu.foreground) |
| 1090 | mw->menu.top_shadow_color = mw->core.background_pixel; |
| 1091 | else |
| 1092 | mw->menu.bottom_shadow_color = mw->menu.foreground; |
| 1093 | } |
| 1094 | } |
| 1095 | |
| 1096 | if (!mw->menu.top_shadow_pixmap && |
| 1097 | mw->menu.top_shadow_color == mw->core.background_pixel) |
| 1098 | { |
| 1099 | mw->menu.top_shadow_pixmap = mw->menu.gray_pixmap; |
| 1100 | mw->menu.top_shadow_color = mw->menu.foreground; |
| 1101 | } |
| 1102 | if (!mw->menu.bottom_shadow_pixmap && |
| 1103 | mw->menu.bottom_shadow_color == mw->core.background_pixel) |
| 1104 | { |
| 1105 | mw->menu.bottom_shadow_pixmap = mw->menu.gray_pixmap; |
| 1106 | mw->menu.bottom_shadow_color = mw->menu.foreground; |
| 1107 | } |
| 1108 | |
| 1109 | xgcv.fill_style = FillStippled; |
| 1110 | xgcv.foreground = mw->menu.top_shadow_color; |
| 1111 | xgcv.stipple = mw->menu.top_shadow_pixmap; |
| 1112 | pm = (xgcv.stipple ? GCStipple|GCFillStyle : 0); |
| 1113 | mw->menu.shadow_top_gc = XtGetGC ((Widget)mw, GCForeground | pm, &xgcv); |
| 1114 | |
| 1115 | xgcv.foreground = mw->menu.bottom_shadow_color; |
| 1116 | xgcv.stipple = mw->menu.bottom_shadow_pixmap; |
| 1117 | pm = (xgcv.stipple ? GCStipple|GCFillStyle : 0); |
| 1118 | mw->menu.shadow_bottom_gc = XtGetGC ((Widget)mw, GCForeground | pm, &xgcv); |
| 1119 | } |
| 1120 | |
| 1121 | |
| 1122 | static void |
| 1123 | release_shadow_gcs (mw) |
| 1124 | XlwMenuWidget mw; |
| 1125 | { |
| 1126 | XtReleaseGC ((Widget) mw, mw->menu.shadow_top_gc); |
| 1127 | XtReleaseGC ((Widget) mw, mw->menu.shadow_bottom_gc); |
| 1128 | } |
| 1129 | |
| 1130 | static void |
| 1131 | XlwMenuInitialize (request, mw, args, num_args) |
| 1132 | Widget request; |
| 1133 | XlwMenuWidget mw; |
| 1134 | ArgList args; |
| 1135 | Cardinal *num_args; |
| 1136 | { |
| 1137 | /* Get the GCs and the widget size */ |
| 1138 | XSetWindowAttributes xswa; |
| 1139 | int mask; |
| 1140 | |
| 1141 | Window window = RootWindowOfScreen (DefaultScreenOfDisplay (XtDisplay (mw))); |
| 1142 | Display* display = XtDisplay (mw); |
| 1143 | |
| 1144 | #if 0 |
| 1145 | widget_value *tem = (widget_value *) XtMalloc (sizeof (widget_value)); |
| 1146 | |
| 1147 | /* _XtCreate is freeing the object that was passed to us, |
| 1148 | so make a copy that we will actually keep. */ |
| 1149 | lwlib_bcopy (mw->menu.contents, tem, sizeof (widget_value)); |
| 1150 | mw->menu.contents = tem; |
| 1151 | #endif |
| 1152 | |
| 1153 | /* mw->menu.cursor = XCreateFontCursor (display, mw->menu.cursor_shape); */ |
| 1154 | mw->menu.cursor = mw->menu.cursor_shape; |
| 1155 | |
| 1156 | mw->menu.gray_pixmap |
| 1157 | = XCreatePixmapFromBitmapData (display, window, gray_bits, |
| 1158 | gray_width, gray_height, |
| 1159 | (unsigned long)1, (unsigned long)0, 1); |
| 1160 | |
| 1161 | /* I don't understand why this ends up 0 sometimes, |
| 1162 | but it does. This kludge works around it. |
| 1163 | Can anyone find a real fix? -- rms. */ |
| 1164 | if (mw->menu.font == 0) |
| 1165 | mw->menu.font = xlwmenu_default_font; |
| 1166 | |
| 1167 | make_drawing_gcs (mw); |
| 1168 | make_shadow_gcs (mw); |
| 1169 | |
| 1170 | xswa.background_pixel = mw->core.background_pixel; |
| 1171 | xswa.border_pixel = mw->core.border_pixel; |
| 1172 | mask = CWBackPixel | CWBorderPixel; |
| 1173 | |
| 1174 | mw->menu.popped_up = False; |
| 1175 | |
| 1176 | mw->menu.old_depth = 1; |
| 1177 | mw->menu.old_stack = (widget_value**)XtMalloc (sizeof (widget_value*)); |
| 1178 | mw->menu.old_stack_length = 1; |
| 1179 | mw->menu.old_stack [0] = mw->menu.contents; |
| 1180 | |
| 1181 | mw->menu.new_depth = 0; |
| 1182 | mw->menu.new_stack = 0; |
| 1183 | mw->menu.new_stack_length = 0; |
| 1184 | push_new_stack (mw, mw->menu.contents); |
| 1185 | |
| 1186 | mw->menu.windows = (window_state*)XtMalloc (sizeof (window_state)); |
| 1187 | mw->menu.windows_length = 1; |
| 1188 | mw->menu.windows [0].x = 0; |
| 1189 | mw->menu.windows [0].y = 0; |
| 1190 | mw->menu.windows [0].width = 0; |
| 1191 | mw->menu.windows [0].height = 0; |
| 1192 | size_menu (mw, 0); |
| 1193 | |
| 1194 | mw->core.width = mw->menu.windows [0].width; |
| 1195 | mw->core.height = mw->menu.windows [0].height; |
| 1196 | } |
| 1197 | |
| 1198 | static void |
| 1199 | XlwMenuClassInitialize () |
| 1200 | { |
| 1201 | } |
| 1202 | |
| 1203 | static void |
| 1204 | XlwMenuRealize (w, valueMask, attributes) |
| 1205 | Widget w; |
| 1206 | Mask *valueMask; |
| 1207 | XSetWindowAttributes *attributes; |
| 1208 | { |
| 1209 | XlwMenuWidget mw = (XlwMenuWidget)w; |
| 1210 | XSetWindowAttributes xswa; |
| 1211 | int mask; |
| 1212 | |
| 1213 | (*xlwMenuWidgetClass->core_class.superclass->core_class.realize) |
| 1214 | (w, valueMask, attributes); |
| 1215 | |
| 1216 | xswa.save_under = True; |
| 1217 | xswa.cursor = mw->menu.cursor_shape; |
| 1218 | mask = CWSaveUnder | CWCursor; |
| 1219 | XChangeWindowAttributes (XtDisplay (w), XtWindow (w), mask, &xswa); |
| 1220 | |
| 1221 | mw->menu.windows [0].window = XtWindow (w); |
| 1222 | mw->menu.windows [0].x = w->core.x; |
| 1223 | mw->menu.windows [0].y = w->core.y; |
| 1224 | mw->menu.windows [0].width = w->core.width; |
| 1225 | mw->menu.windows [0].height = w->core.height; |
| 1226 | } |
| 1227 | |
| 1228 | /* Only the toplevel menubar/popup is a widget so it's the only one that |
| 1229 | receives expose events through Xt. So we repaint all the other panes |
| 1230 | when receiving an Expose event. */ |
| 1231 | static void |
| 1232 | XlwMenuRedisplay (w, ev, region) |
| 1233 | Widget w; |
| 1234 | XEvent* ev; |
| 1235 | Region region; |
| 1236 | { |
| 1237 | XlwMenuWidget mw = (XlwMenuWidget)w; |
| 1238 | int i; |
| 1239 | |
| 1240 | /* If we have a depth beyond 1, it's because a submenu was displayed. |
| 1241 | If the submenu has been destroyed, set the depth back to 1. */ |
| 1242 | if (submenu_destroyed) |
| 1243 | { |
| 1244 | mw->menu.old_depth = 1; |
| 1245 | submenu_destroyed = 0; |
| 1246 | } |
| 1247 | |
| 1248 | for (i = 0; i < mw->menu.old_depth; i++) |
| 1249 | display_menu (mw, i, False, NULL, NULL, NULL, NULL, NULL); |
| 1250 | } |
| 1251 | |
| 1252 | static void |
| 1253 | XlwMenuDestroy (w) |
| 1254 | Widget w; |
| 1255 | { |
| 1256 | int i; |
| 1257 | XlwMenuWidget mw = (XlwMenuWidget) w; |
| 1258 | |
| 1259 | if (pointer_grabbed) |
| 1260 | XtUngrabPointer ((Widget)w, CurrentTime); |
| 1261 | pointer_grabbed = 0; |
| 1262 | |
| 1263 | submenu_destroyed = 1; |
| 1264 | |
| 1265 | release_drawing_gcs (mw); |
| 1266 | release_shadow_gcs (mw); |
| 1267 | |
| 1268 | /* this doesn't come from the resource db but is created explicitly |
| 1269 | so we must free it ourselves. */ |
| 1270 | XFreePixmap (XtDisplay (mw), mw->menu.gray_pixmap); |
| 1271 | mw->menu.gray_pixmap = (Pixmap) -1; |
| 1272 | |
| 1273 | #if 0 |
| 1274 | /* Do free mw->menu.contents because nowadays we copy it |
| 1275 | during initialization. */ |
| 1276 | XtFree (mw->menu.contents); |
| 1277 | #endif |
| 1278 | |
| 1279 | /* Don't free mw->menu.contents because that comes from our creator. |
| 1280 | The `*_stack' elements are just pointers into `contents' so leave |
| 1281 | that alone too. But free the stacks themselves. */ |
| 1282 | if (mw->menu.old_stack) XtFree ((char *) mw->menu.old_stack); |
| 1283 | if (mw->menu.new_stack) XtFree ((char *) mw->menu.new_stack); |
| 1284 | |
| 1285 | /* Remember, you can't free anything that came from the resource |
| 1286 | database. This includes: |
| 1287 | mw->menu.cursor |
| 1288 | mw->menu.top_shadow_pixmap |
| 1289 | mw->menu.bottom_shadow_pixmap |
| 1290 | mw->menu.font |
| 1291 | Also the color cells of top_shadow_color, bottom_shadow_color, |
| 1292 | foreground, and button_foreground will never be freed until this |
| 1293 | client exits. Nice, eh? |
| 1294 | */ |
| 1295 | |
| 1296 | /* start from 1 because the one in slot 0 is w->core.window */ |
| 1297 | for (i = 1; i < mw->menu.windows_length; i++) |
| 1298 | XDestroyWindow (XtDisplay (mw), mw->menu.windows [i].window); |
| 1299 | if (mw->menu.windows) |
| 1300 | XtFree ((char *) mw->menu.windows); |
| 1301 | } |
| 1302 | |
| 1303 | static Boolean |
| 1304 | XlwMenuSetValues (current, request, new) |
| 1305 | Widget current; |
| 1306 | Widget request; |
| 1307 | Widget new; |
| 1308 | { |
| 1309 | XlwMenuWidget oldmw = (XlwMenuWidget)current; |
| 1310 | XlwMenuWidget newmw = (XlwMenuWidget)new; |
| 1311 | Boolean redisplay = False; |
| 1312 | int i; |
| 1313 | |
| 1314 | if (newmw->menu.contents |
| 1315 | && newmw->menu.contents->contents |
| 1316 | && newmw->menu.contents->contents->change >= VISIBLE_CHANGE) |
| 1317 | redisplay = True; |
| 1318 | /* Do redisplay if the contents are entirely eliminated. */ |
| 1319 | if (newmw->menu.contents |
| 1320 | && newmw->menu.contents->contents == 0 |
| 1321 | && newmw->menu.contents->change >= VISIBLE_CHANGE) |
| 1322 | redisplay = True; |
| 1323 | |
| 1324 | if (newmw->core.background_pixel != oldmw->core.background_pixel |
| 1325 | || newmw->menu.foreground != oldmw->menu.foreground |
| 1326 | || newmw->menu.font != oldmw->menu.font) |
| 1327 | { |
| 1328 | release_drawing_gcs (newmw); |
| 1329 | make_drawing_gcs (newmw); |
| 1330 | redisplay = True; |
| 1331 | |
| 1332 | for (i = 0; i < oldmw->menu.windows_length; i++) |
| 1333 | { |
| 1334 | XSetWindowBackground (XtDisplay (oldmw), |
| 1335 | oldmw->menu.windows [i].window, |
| 1336 | newmw->core.background_pixel); |
| 1337 | /* clear windows and generate expose events */ |
| 1338 | XClearArea (XtDisplay (oldmw), oldmw->menu.windows[i].window, |
| 1339 | 0, 0, 0, 0, True); |
| 1340 | } |
| 1341 | } |
| 1342 | |
| 1343 | return redisplay; |
| 1344 | } |
| 1345 | |
| 1346 | static void |
| 1347 | XlwMenuResize (w) |
| 1348 | Widget w; |
| 1349 | { |
| 1350 | XlwMenuWidget mw = (XlwMenuWidget)w; |
| 1351 | |
| 1352 | if (mw->menu.popped_up) |
| 1353 | { |
| 1354 | /* Don't allow the popup menu to resize itself. */ |
| 1355 | mw->core.width = mw->menu.windows [0].width; |
| 1356 | mw->core.height = mw->menu.windows [0].height; |
| 1357 | mw->core.parent->core.width = mw->core.width ; |
| 1358 | mw->core.parent->core.height = mw->core.height ; |
| 1359 | } |
| 1360 | else |
| 1361 | { |
| 1362 | mw->menu.windows [0].width = mw->core.width; |
| 1363 | mw->menu.windows [0].height = mw->core.height; |
| 1364 | } |
| 1365 | } |
| 1366 | |
| 1367 | \f/* Action procedures */ |
| 1368 | static void |
| 1369 | handle_single_motion_event (mw, ev) |
| 1370 | XlwMenuWidget mw; |
| 1371 | XMotionEvent* ev; |
| 1372 | { |
| 1373 | widget_value* val; |
| 1374 | int level; |
| 1375 | |
| 1376 | if (!map_event_to_widget_value (mw, ev, &val, &level)) |
| 1377 | pop_new_stack_if_no_contents (mw); |
| 1378 | else |
| 1379 | set_new_state (mw, val, level); |
| 1380 | remap_menubar (mw); |
| 1381 | |
| 1382 | /* Sync with the display. Makes it feel better on X terms. */ |
| 1383 | XSync (XtDisplay (mw), False); |
| 1384 | } |
| 1385 | |
| 1386 | static void |
| 1387 | handle_motion_event (mw, ev) |
| 1388 | XlwMenuWidget mw; |
| 1389 | XMotionEvent* ev; |
| 1390 | { |
| 1391 | int x = ev->x_root; |
| 1392 | int y = ev->y_root; |
| 1393 | int state = ev->state; |
| 1394 | |
| 1395 | handle_single_motion_event (mw, ev); |
| 1396 | |
| 1397 | /* allow motion events to be generated again */ |
| 1398 | if (ev->is_hint |
| 1399 | && XQueryPointer (XtDisplay (mw), ev->window, |
| 1400 | &ev->root, &ev->subwindow, |
| 1401 | &ev->x_root, &ev->y_root, |
| 1402 | &ev->x, &ev->y, |
| 1403 | &ev->state) |
| 1404 | && ev->state == state |
| 1405 | && (ev->x_root != x || ev->y_root != y)) |
| 1406 | handle_single_motion_event (mw, ev); |
| 1407 | } |
| 1408 | |
| 1409 | static void |
| 1410 | Start (w, ev, params, num_params) |
| 1411 | Widget w; |
| 1412 | XEvent *ev; |
| 1413 | String *params; |
| 1414 | Cardinal *num_params; |
| 1415 | { |
| 1416 | XlwMenuWidget mw = (XlwMenuWidget)w; |
| 1417 | |
| 1418 | if (!mw->menu.popped_up) |
| 1419 | { |
| 1420 | menu_post_event = *ev; |
| 1421 | pop_up_menu (mw, ev); |
| 1422 | } |
| 1423 | else |
| 1424 | { |
| 1425 | /* If we push a button while the menu is posted semipermanently, |
| 1426 | releasing the button should always pop the menu down. */ |
| 1427 | next_release_must_exit = 1; |
| 1428 | |
| 1429 | /* notes the absolute position of the menubar window */ |
| 1430 | mw->menu.windows [0].x = ev->xmotion.x_root - ev->xmotion.x; |
| 1431 | mw->menu.windows [0].y = ev->xmotion.y_root - ev->xmotion.y; |
| 1432 | |
| 1433 | /* handles the down like a move, slots are compatible */ |
| 1434 | handle_motion_event (mw, &ev->xmotion); |
| 1435 | } |
| 1436 | } |
| 1437 | |
| 1438 | static void |
| 1439 | Drag (w, ev, params, num_params) |
| 1440 | Widget w; |
| 1441 | XEvent *ev; |
| 1442 | String *params; |
| 1443 | Cardinal *num_params; |
| 1444 | { |
| 1445 | XlwMenuWidget mw = (XlwMenuWidget)w; |
| 1446 | if (mw->menu.popped_up) |
| 1447 | handle_motion_event (mw, &ev->xmotion); |
| 1448 | } |
| 1449 | |
| 1450 | /* Do nothing. |
| 1451 | This is how we handle presses and releases of modifier keys. */ |
| 1452 | static void |
| 1453 | Nothing (w, ev, params, num_params) |
| 1454 | Widget w; |
| 1455 | XEvent *ev; |
| 1456 | String *params; |
| 1457 | Cardinal *num_params; |
| 1458 | { |
| 1459 | } |
| 1460 | |
| 1461 | /* Handle key press and release events while menu is popped up. |
| 1462 | Our action is to get rid of the menu. */ |
| 1463 | static void |
| 1464 | Key (w, ev, params, num_params) |
| 1465 | Widget w; |
| 1466 | XEvent *ev; |
| 1467 | String *params; |
| 1468 | Cardinal *num_params; |
| 1469 | { |
| 1470 | XlwMenuWidget mw = (XlwMenuWidget)w; |
| 1471 | |
| 1472 | /* Pop down everything. */ |
| 1473 | mw->menu.new_depth = 1; |
| 1474 | remap_menubar (mw); |
| 1475 | |
| 1476 | if (mw->menu.popped_up) |
| 1477 | { |
| 1478 | mw->menu.popped_up = False; |
| 1479 | XtUngrabPointer ((Widget)mw, ev->xmotion.time); |
| 1480 | if (XtIsShell (XtParent ((Widget) mw))) |
| 1481 | XtPopdown (XtParent ((Widget) mw)); |
| 1482 | else |
| 1483 | { |
| 1484 | XtRemoveGrab ((Widget) mw); |
| 1485 | display_menu (mw, 0, False, NULL, NULL, NULL, NULL, NULL); |
| 1486 | } |
| 1487 | } |
| 1488 | |
| 1489 | /* callback */ |
| 1490 | XtCallCallbackList ((Widget)mw, mw->menu.select, (XtPointer)0); |
| 1491 | } |
| 1492 | |
| 1493 | static void |
| 1494 | Select (w, ev, params, num_params) |
| 1495 | Widget w; |
| 1496 | XEvent *ev; |
| 1497 | String *params; |
| 1498 | Cardinal *num_params; |
| 1499 | { |
| 1500 | XlwMenuWidget mw = (XlwMenuWidget)w; |
| 1501 | widget_value* selected_item = mw->menu.old_stack [mw->menu.old_depth - 1]; |
| 1502 | |
| 1503 | /* If user releases the button quickly, without selecting anything, |
| 1504 | after the initial down-click that brought the menu up, |
| 1505 | do nothing. */ |
| 1506 | if ((selected_item == 0 |
| 1507 | || ((widget_value *) selected_item)->call_data == 0) |
| 1508 | && !next_release_must_exit |
| 1509 | && (ev->xbutton.time - menu_post_event.xbutton.time |
| 1510 | < XtGetMultiClickTime (XtDisplay (w)))) |
| 1511 | return; |
| 1512 | |
| 1513 | /* pop down everything. */ |
| 1514 | mw->menu.new_depth = 1; |
| 1515 | remap_menubar (mw); |
| 1516 | |
| 1517 | if (mw->menu.popped_up) |
| 1518 | { |
| 1519 | mw->menu.popped_up = False; |
| 1520 | XtUngrabPointer ((Widget)mw, ev->xmotion.time); |
| 1521 | if (XtIsShell (XtParent ((Widget) mw))) |
| 1522 | XtPopdown (XtParent ((Widget) mw)); |
| 1523 | else |
| 1524 | { |
| 1525 | XtRemoveGrab ((Widget) mw); |
| 1526 | display_menu (mw, 0, False, NULL, NULL, NULL, NULL, NULL); |
| 1527 | } |
| 1528 | } |
| 1529 | |
| 1530 | /* callback */ |
| 1531 | XtCallCallbackList ((Widget)mw, mw->menu.select, (XtPointer)selected_item); |
| 1532 | } |
| 1533 | |
| 1534 | |
| 1535 | \f/* Special code to pop-up a menu */ |
| 1536 | void |
| 1537 | pop_up_menu (mw, event) |
| 1538 | XlwMenuWidget mw; |
| 1539 | XButtonPressedEvent* event; |
| 1540 | { |
| 1541 | int x = event->x_root; |
| 1542 | int y = event->y_root; |
| 1543 | int w; |
| 1544 | int h; |
| 1545 | int borderwidth = mw->menu.shadow_thickness; |
| 1546 | Screen* screen = XtScreen (mw); |
| 1547 | Display *display = XtDisplay (mw); |
| 1548 | int count; |
| 1549 | |
| 1550 | next_release_must_exit = 0; |
| 1551 | |
| 1552 | XtCallCallbackList ((Widget)mw, mw->menu.open, NULL); |
| 1553 | |
| 1554 | if (XtIsShell (XtParent ((Widget)mw))) |
| 1555 | size_menu (mw, 0); |
| 1556 | |
| 1557 | w = mw->menu.windows [0].width; |
| 1558 | h = mw->menu.windows [0].height; |
| 1559 | |
| 1560 | x -= borderwidth; |
| 1561 | y -= borderwidth; |
| 1562 | if (x < borderwidth) |
| 1563 | x = borderwidth; |
| 1564 | if (x + w + 2 * borderwidth > WidthOfScreen (screen)) |
| 1565 | x = WidthOfScreen (screen) - w - 2 * borderwidth; |
| 1566 | if (y < borderwidth) |
| 1567 | y = borderwidth; |
| 1568 | if (y + h + 2 * borderwidth> HeightOfScreen (screen)) |
| 1569 | y = HeightOfScreen (screen) - h - 2 * borderwidth; |
| 1570 | |
| 1571 | mw->menu.popped_up = True; |
| 1572 | if (XtIsShell (XtParent ((Widget)mw))) |
| 1573 | { |
| 1574 | XtConfigureWidget (XtParent ((Widget)mw), x, y, w, h, |
| 1575 | XtParent ((Widget)mw)->core.border_width); |
| 1576 | XtPopup (XtParent ((Widget)mw), XtGrabExclusive); |
| 1577 | display_menu (mw, 0, False, NULL, NULL, NULL, NULL, NULL); |
| 1578 | mw->menu.windows [0].x = x + borderwidth; |
| 1579 | mw->menu.windows [0].y = y + borderwidth; |
| 1580 | } |
| 1581 | else |
| 1582 | { |
| 1583 | XEvent *ev = (XEvent *) event; |
| 1584 | |
| 1585 | XtAddGrab ((Widget) mw, True, True); |
| 1586 | |
| 1587 | /* notes the absolute position of the menubar window */ |
| 1588 | mw->menu.windows [0].x = ev->xmotion.x_root - ev->xmotion.x; |
| 1589 | mw->menu.windows [0].y = ev->xmotion.y_root - ev->xmotion.y; |
| 1590 | } |
| 1591 | |
| 1592 | #ifdef emacs |
| 1593 | count = x_catch_errors (display); |
| 1594 | #endif |
| 1595 | XtGrabPointer ((Widget)mw, False, |
| 1596 | (PointerMotionMask |
| 1597 | | PointerMotionHintMask |
| 1598 | | ButtonReleaseMask |
| 1599 | | ButtonPressMask), |
| 1600 | GrabModeAsync, GrabModeAsync, None, |
| 1601 | mw->menu.cursor_shape, |
| 1602 | event->time); |
| 1603 | pointer_grabbed = 1; |
| 1604 | #ifdef emacs |
| 1605 | if (x_had_errors_p (display)) |
| 1606 | { |
| 1607 | pointer_grabbed = 0; |
| 1608 | XtUngrabPointer ((Widget)mw, event->time); |
| 1609 | } |
| 1610 | x_uncatch_errors (display, count); |
| 1611 | #endif |
| 1612 | |
| 1613 | handle_motion_event (mw, (XMotionEvent*)event); |
| 1614 | } |