src/menu.c

   1 /* menu.c- generic menu, used for root menu, application menus etc.
   2  *
   3  *  Window Maker window manager
   4  *
   5  *  Copyright (c) 1997, 1998 Alfredo K. Kojima
   6  *  Copyright (c) 1997, 1998 Dan Pascu
   7  *
   8  *  This program is free software; you can redistribute it and/or modify
   9  *  it under the terms of the GNU General Public License as published by
  10  *  the Free Software Foundation; either version 2 of the License, or
  11  *  (at your option) any later version.
  12  *
  13  *  This program is distributed in the hope that it will be useful,
  14  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16  *  GNU General Public License for more details.
  17  *
  18  *  You should have received a copy of the GNU General Public License
  19  *  along with this program; if not, write to the Free Software
  20  *  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
  21  *  USA.
  22  */
  23
  24 #include "wconfig.h"
  25
  26 #include <X11/Xlib.h>
  27 #include <X11/Xutil.h>
  28 #include <X11/keysym.h>
  29 #include <stdlib.h>
  30 #include <string.h>
  31 #include <stdio.h>
  32 #include <unistd.h>
  33 #include <ctype.h>
  34
  35 #include "WindowMaker.h"
  36 #include "wcore.h"
  37 #include "framewin.h"
  38 #include "menu.h"
  39 #include "actions.h"
  40 #include "funcs.h"
  41 #include "stacking.h"
  42 #include "text.h"
  43
  44
  45 /****** Global Variables ******/
  46
  47 extern Cursor wCursor[WCUR_LAST];
  48
  49 extern XContext wWinContext;
  50
  51 extern WPreferences wPreferences;
  52
  53 #define MOD_MASK wPreferences.modifier_mask
  54
  55 #define MENU_SCROLL_STEP  menuScrollParameters[(int)wPreferences.menu_scroll_speed].steps
  56 #define MENU_SCROLL_DELAY menuScrollParameters[(int)wPreferences.menu_scroll_speed].delay
  57
  58
  59
  60 #define MENUW(m)        ((m)->frame->core->width+2*FRAME_BORDER_WIDTH)
  61 #define MENUH(m)        ((m)->frame->core->height+2*FRAME_BORDER_WIDTH)
  62
  63
  64 /***** Local Stuff ******/
  65
  66 static struct {
  67     int steps;
  68     int delay;
  69 } menuScrollParameters[5] = {
  70     {MENU_SCROLL_STEPS_UF, MENU_SCROLL_DELAY_UF},
  71     {MENU_SCROLL_STEPS_F, MENU_SCROLL_DELAY_F},
  72     {MENU_SCROLL_STEPS_M, MENU_SCROLL_DELAY_M},
  73     {MENU_SCROLL_STEPS_S, MENU_SCROLL_DELAY_S},
  74     {MENU_SCROLL_STEPS_U, MENU_SCROLL_DELAY_U}};
  75
  76
  77 static void menuMouseDown(WObjDescriptor *desc, XEvent *event);
  78 static void menuExpose(WObjDescriptor *desc, XEvent *event);
  79
  80 static void menuTitleDoubleClick(WCoreWindow *sender, void *data, XEvent *event);
  81 static void menuTitleMouseDown(WCoreWindow *sender, void *data, XEvent *event);
  82
  83 static void menuCloseClick(WCoreWindow *sender, void *data, XEvent *event);
  84
  85 static void updateTexture(WMenu *menu);
  86
  87 #ifndef LITE
  88 static int saveMenuRecurs(proplist_t menus, WScreen *scr, WMenu *menu);
  89 static int restoreMenuRecurs(WScreen *scr, proplist_t menus, WMenu *menu, char *path);
  90 #endif /* !LITE */
  91
  92 static void selectEntry(WMenu *menu, int entry_no);
  93 static void closeCascade(WMenu *menu);
  94
  95
  96 /****** Notification Observers ******/
  97
  98 static void
  99 appearanceObserver(void *self, WMNotification *notif)
 100 {
 101     WMenu *menu = (WMenu*)self;
 102     int flags = (int)WMGetNotificationClientData(notif);
 103
 104     if (!menu->flags.realized)
 105         return;
 106
 107     if (WMGetNotificationName(notif) == WNMenuAppearanceSettingsChanged) {
 108         if (flags & WFontSettings) {
 109             menu->flags.realized = 0;
 110             wMenuRealize(menu);
 111         }
 112         if (flags & WTextureSettings) {
 113             if (!menu->flags.brother)
 114                 updateTexture(menu);
 115         }
 116         if (flags & (WTextureSettings|WColorSettings)) {
 117             wMenuPaint(menu);
 118         }
 119     } else if (menu->flags.titled) {
 120
 121         if (flags & WFontSettings) {
 122             menu->flags.realized = 0;
 123             wMenuRealize(menu);
 124         }
 125         if (flags & WTextureSettings) {
 126             menu->frame->flags.need_texture_remake = 1;
 127         }
 128         if (flags & (WColorSettings|WTextureSettings)) {
 129             wFrameWindowPaint(menu->frame);
 130         }
 131     }
 132 }
 133
 134 /************************************/
 135
 136
 137 /*
 138  *----------------------------------------------------------------------
 139  * wMenuCreate--
 140  *      Creates a new empty menu with the specified title. If main_menu
 141  * is True, the created menu will be a main menu, which has some special
 142  * properties such as being placed over other normal menus.
 143  *      If title is NULL, the menu will have no titlebar.
 144  *
 145  * Returns:
 146  *      The created menu.
 147  *----------------------------------------------------------------------
 148  */
 149 WMenu*
 150 wMenuCreate(WScreen *screen, char *title, int main_menu)
 151 {
 152     WMenu *menu;
 153     static int brother=0;
 154     int tmp, flags;
 155
 156     menu = wmalloc(sizeof(WMenu));
 157
 158     memset(menu, 0, sizeof(WMenu));
 159
 160 #ifdef SINGLE_MENULEVEL
 161     tmp = WMSubmenuLevel;
 162 #else
 163     tmp = (main_menu ? WMMainMenuLevel : WMSubmenuLevel);
 164 #endif
 165
 166     flags = WFF_SINGLE_STATE;
 167     if (title) {
 168         flags |= WFF_TITLEBAR|WFF_RIGHT_BUTTON;
 169         menu->flags.titled = 1;
 170     }
 171     menu->frame =
 172         wFrameWindowCreate(screen, tmp, 8, 2, 1, 1, flags,
 173                            screen->menu_title_texture, NULL,
 174                            screen->menu_title_pixel, &screen->menu_title_gc,
 175                            &screen->menu_title_font);
 176
 177     menu->frame->core->descriptor.parent = menu;
 178     menu->frame->core->descriptor.parent_type = WCLASS_MENU;
 179     menu->frame->core->descriptor.handle_mousedown = menuMouseDown;
 180
 181     wFrameWindowHideButton(menu->frame, WFF_RIGHT_BUTTON);
 182
 183     if (title) {
 184         menu->frame->title = wstrdup(title);
 185     }
 186
 187     menu->frame->flags.justification = WTJ_LEFT;
 188
 189     menu->frame->rbutton_image = screen->b_pixmaps[WBUT_CLOSE];
 190
 191     menu->entry_no = 0;
 192     menu->alloced_entries = 0;
 193     menu->selected_entry = -1;
 194     menu->entries = NULL;
 195
 196     menu->frame_x = screen->app_menu_x;
 197     menu->frame_y = screen->app_menu_y;
 198
 199     menu->frame->child = menu;
 200
 201     menu->flags.lowered = 0;
 202
 203     /* create borders */
 204     if (title) {
 205         /* setup object descriptors */
 206         menu->frame->on_mousedown_titlebar = menuTitleMouseDown;
 207         menu->frame->on_dblclick_titlebar = menuTitleDoubleClick;
 208     }
 209
 210     menu->frame->on_click_right = menuCloseClick;
 211
 212
 213     menu->menu = wCoreCreate(menu->frame->core, 0, menu->frame->top_width,
 214                              menu->frame->core->width, 10);
 215
 216     menu->menu->descriptor.parent = menu;
 217     menu->menu->descriptor.parent_type = WCLASS_MENU;
 218     menu->menu->descriptor.handle_expose = menuExpose;
 219     menu->menu->descriptor.handle_mousedown = menuMouseDown;
 220
 221     menu->menu_texture_data = None;
 222
 223     XMapWindow(dpy, menu->menu->window);
 224
 225     XFlush(dpy);
 226
 227     if (!brother) {
 228         brother = 1;
 229         menu->brother = wMenuCreate(screen, title, main_menu);
 230         brother = 0;
 231         menu->brother->flags.brother = 1;
 232         menu->brother->brother = menu;
 233     }
 234     WMAddNotificationObserver(appearanceObserver, menu,
 235                               WNMenuAppearanceSettingsChanged, menu);
 236
 237     WMAddNotificationObserver(appearanceObserver, menu,
 238                               WNMenuTitleAppearanceSettingsChanged, menu);
 239
 240
 241     return menu;
 242 }
 243
 244
 245
 246
 247 WMenu*
 248 wMenuCreateForApp(WScreen *screen, char *title, int main_menu)
 249 {
 250     WMenu *menu;
 251
 252     menu = wMenuCreate(screen, title, main_menu);
 253     if (!menu)
 254       return NULL;
 255     menu->flags.app_menu = 1;
 256     menu->brother->flags.app_menu = 1;
 257
 258     return menu;
 259 }
 260
 261
 262
 263 static void
 264 insertEntry(WMenu *menu, WMenuEntry *entry, int index)
 265 {
 266     int i;
 267
 268     for (i = menu->entry_no-1; i >= index; i--) {
 269         menu->entries[i]->order++;
 270         menu->entries[i+1] = menu->entries[i];
 271     }
 272     menu->entries[index] = entry;
 273 }
 274
 275
 276 WMenuEntry*
 277 wMenuInsertCallback(WMenu *menu, int index, char *text,
 278                     void (*callback)(WMenu *menu, WMenuEntry *entry),
 279                     void *clientdata)
 280 {
 281     WMenuEntry *entry;
 282
 283 #ifdef DEBUG
 284     if (!menu) {
 285         printf("Passed NULL as menu parameter to wMenuAddCallback() \n");
 286         return NULL;
 287     }
 288 #endif
 289
 290     assert(menu->flags.brother==0);
 291     menu->flags.realized = 0;
 292     menu->brother->flags.realized = 0;
 293
 294     /* reallocate array if it's too small */
 295     if (menu->entry_no >= menu->alloced_entries) {
 296         void *tmp;
 297 #ifdef DEBUG
 298         puts("doing wrealloc()");
 299 #endif
 300         tmp = wrealloc(menu->entries,
 301                        sizeof(WMenuEntry)*(menu->alloced_entries+5));
 302         if (tmp==NULL) {
 303             wwarning(_("wrealloc() failed while trying to add menu item"));
 304             return NULL;
 305         }
 306
 307         menu->entries = tmp;
 308         menu->alloced_entries += 5;
 309
 310         menu->brother->entries = tmp;
 311         menu->brother->alloced_entries = menu->alloced_entries;
 312     }
 313     entry = wmalloc(sizeof(WMenuEntry));
 314     memset(entry, 0, sizeof(WMenuEntry));
 315     entry->flags.enabled = 1;
 316     entry->text = wstrdup(text);
 317     entry->cascade = -1;
 318     entry->clientdata = clientdata;
 319     entry->callback = callback;
 320     if (index<0 || index>=menu->entry_no) {
 321         entry->order = menu->entry_no;
 322         menu->entries[menu->entry_no] = entry;
 323     } else {
 324         entry->order = index;
 325         insertEntry(menu, entry, index);
 326     }
 327
 328     menu->entry_no++;
 329     menu->brother->entry_no = menu->entry_no;
 330
 331     return entry;
 332 }
 333
 334
 335
 336 void
 337 wMenuEntrySetCascade(WMenu *menu, WMenuEntry *entry, WMenu *cascade)
 338 {
 339     WMenu *brother = menu->brother;
 340     int i, done;
 341
 342     assert(menu->flags.brother==0);
 343
 344     if (entry->cascade>=0) {
 345         menu->flags.realized = 0;
 346         brother->flags.realized = 0;
 347     }
 348
 349     cascade->parent = menu;
 350
 351     cascade->brother->parent = brother;
 352
 353     done = 0;
 354     for (i=0; i<menu->cascade_no; i++) {
 355         if (menu->cascades[i]==NULL) {
 356             menu->cascades[i] = cascade;
 357             brother->cascades[i] = cascade->brother;
 358             done = 1;
 359             entry->cascade = i;
 360             break;
 361         }
 362     }
 363     if (!done) {
 364         entry->cascade = menu->cascade_no;
 365
 366         menu->cascades = wrealloc(menu->cascades,
 367                                   sizeof(WMenu)*(menu->cascade_no+1));
 368         menu->cascades[menu->cascade_no++] = cascade;
 369
 370
 371         brother->cascades = wrealloc(brother->cascades,
 372                                      sizeof(WMenu)*(brother->cascade_no+1));
 373         brother->cascades[brother->cascade_no++] = cascade->brother;
 374     }
 375
 376
 377     if (menu->flags.lowered) {
 378
 379         cascade->flags.lowered = 1;
 380         ChangeStackingLevel(cascade->frame->core, WMNormalLevel);
 381
 382         cascade->brother->flags.lowered = 1;
 383         ChangeStackingLevel(cascade->brother->frame->core, WMNormalLevel);
 384     }
 385
 386     if (!menu->flags.realized)
 387         wMenuRealize(menu);
 388 }
 389
 390
 391 void
 392 wMenuEntryRemoveCascade(WMenu *menu, WMenuEntry *entry)
 393 {
 394     assert(menu->flags.brother==0);
 395
 396     /* destroy cascade menu */
 397     if (entry->cascade>=0 && menu->cascades
 398         && menu->cascades[entry->cascade]!=NULL) {
 399
 400         wMenuDestroy(menu->cascades[entry->cascade], True);
 401
 402         menu->cascades[entry->cascade] = NULL;
 403         menu->brother->cascades[entry->cascade] = NULL;
 404
 405         entry->cascade = -1;
 406     }
 407 }
 408
 409
 410 void
 411 wMenuRemoveItem(WMenu *menu, int index)
 412 {
 413     int i;
 414
 415     if (menu->flags.brother) {
 416         wMenuRemoveItem(menu->brother, index);
 417         return;
 418     }
 419
 420     if (index>=menu->entry_no) return;
 421
 422     /* destroy cascade menu */
 423     wMenuEntryRemoveCascade(menu, menu->entries[index]);
 424
 425     /* destroy unshared data */
 426
 427     if (menu->entries[index]->text)
 428       free(menu->entries[index]->text);
 429
 430     if (menu->entries[index]->rtext)
 431       free(menu->entries[index]->rtext);
 432
 433     if (menu->entries[index]->free_cdata && menu->entries[index]->clientdata)
 434       (*menu->entries[index]->free_cdata)(menu->entries[index]->clientdata);
 435
 436     free(menu->entries[index]);
 437
 438     for (i=index; i<menu->entry_no-1; i++) {
 439         menu->entries[i+1]->order--;
 440         menu->entries[i]=menu->entries[i+1];
 441     }
 442     menu->entry_no--;
 443     menu->brother->entry_no--;
 444 }
 445
 446
 447 static Pixmap
 448 renderTexture(WMenu *menu)
 449 {
 450     RImage *img;
 451     Pixmap pix;
 452     int i;
 453     RColor light;
 454     RColor dark;
 455     RColor mid;
 456     WScreen *scr = menu->menu->screen_ptr;
 457     WTexture *texture = scr->menu_item_texture;
 458
 459     if (wPreferences.menu_style == MS_NORMAL) {
 460         img = wTextureRenderImage(texture, menu->menu->width,
 461                                   menu->entry_height, WREL_MENUENTRY);
 462     } else {
 463         img = wTextureRenderImage(texture, menu->menu->width,
 464                                   menu->menu->height+1, WREL_MENUENTRY);
 465     }
 466     if (!img) {
 467         wwarning(_("could not render texture: %s"),
 468                  RMessageForError(RErrorCode));
 469
 470         return None;
 471     }
 472
 473     if (wPreferences.menu_style == MS_SINGLE_TEXTURE) {
 474         light.alpha = 0;
 475         light.red = light.green = light.blue = 80;
 476
 477         dark.alpha = 255;
 478         dark.red = dark.green = dark.blue = 0;
 479
 480         mid.alpha = 0;
 481         mid.red = mid.green = mid.blue = 40;
 482
 483         for (i = 1; i < menu->entry_no; i++) {
 484             ROperateLine(img, RSubtractOperation, 0, i*menu->entry_height-2,
 485                          menu->menu->width-1, i*menu->entry_height-2, &mid);
 486
 487             RDrawLine(img, 0, i*menu->entry_height-1,
 488                       menu->menu->width-1, i*menu->entry_height-1, &dark);
 489
 490             ROperateLine(img, RAddOperation, 0, i*menu->entry_height,
 491                          menu->menu->width-1, i*menu->entry_height,
 492                          &light);
 493         }
 494     }
 495     if (!RConvertImage(scr->rcontext, img, &pix)) {
 496         wwarning(_("error rendering image:%s"), RMessageForError(RErrorCode));
 497     }
 498     RDestroyImage(img);
 499
 500     return pix;
 501 }
 502
 503
 504 static void
 505 updateTexture(WMenu *menu)
 506 {
 507     WScreen *scr = menu->menu->screen_ptr;
 508
 509     /* setup background texture */
 510     if (scr->menu_item_texture->any.type != WTEX_SOLID) {
 511         if (!menu->flags.brother) {
 512             FREE_PIXMAP(menu->menu_texture_data);
 513
 514             menu->menu_texture_data = renderTexture(menu);
 515
 516             XSetWindowBackgroundPixmap(dpy, menu->menu->window,
 517                                        menu->menu_texture_data);
 518             XClearWindow(dpy, menu->menu->window);
 519
 520             XSetWindowBackgroundPixmap(dpy, menu->brother->menu->window,
 521                                        menu->menu_texture_data);
 522             XClearWindow(dpy, menu->brother->menu->window);
 523         }
 524     } else {
 525         XSetWindowBackground(dpy, menu->menu->window,
 526                              scr->menu_item_texture->any.color.pixel);
 527         XClearWindow(dpy, menu->menu->window);
 528     }
 529 }
 530
 531
 532 void
 533 wMenuRealize(WMenu *menu)
 534 {
 535     int i;
 536     int width, rwidth, mrwidth, mwidth;
 537     int theight, twidth, eheight;
 538     WScreen *scr = menu->frame->screen_ptr;
 539     static int brother_done=0;
 540     int flags;
 541
 542     if (!brother_done) {
 543         brother_done = 1;
 544         wMenuRealize(menu->brother);
 545         brother_done = 0;
 546     }
 547
 548     flags = WFF_SINGLE_STATE;
 549     if (menu->flags.titled)
 550         flags |= WFF_TITLEBAR|WFF_RIGHT_BUTTON;
 551
 552     wFrameWindowUpdateBorders(menu->frame, flags);
 553
 554     if (menu->flags.titled) {
 555         twidth = WMWidthOfString(scr->menu_title_font, menu->frame->title,
 556                                  strlen(menu->frame->title));
 557         theight = menu->frame->top_width;
 558         twidth += theight + (wPreferences.new_style ? 16 : 8);
 559     } else {
 560         twidth = 0;
 561         theight = 0;
 562     }
 563     eheight = WMFontHeight(scr->menu_entry_font) + 6;
 564     menu->entry_height = eheight;
 565     mrwidth = 0;
 566     mwidth = 0;
 567     for (i=0; i<menu->entry_no; i++) {
 568         char *text;
 569
 570         /* search widest text */
 571         text = menu->entries[i]->text;
 572         width = WMWidthOfString(scr->menu_entry_font, text, strlen(text))+10;
 573
 574         if (menu->entries[i]->flags.indicator) {
 575             width += MENU_INDICATOR_SPACE;
 576         }
 577
 578         if (width > mwidth)
 579             mwidth = width;
 580
 581         /* search widest text on right */
 582         text = menu->entries[i]->rtext;
 583         if (text)
 584             rwidth = WMWidthOfString(scr->menu_entry_font, text, strlen(text))
 585                 + 5;
 586         else if (menu->entries[i]->cascade>=0)
 587             rwidth = 16;
 588         else
 589             rwidth = 4;
 590
 591         if (rwidth > mrwidth)
 592             mrwidth = rwidth;
 593     }
 594     mwidth += mrwidth;
 595
 596     if (mwidth < twidth)
 597         mwidth = twidth;
 598
 599
 600     wCoreConfigure(menu->menu, 0, theight, mwidth, menu->entry_no*eheight -1);
 601
 602     wFrameWindowResize(menu->frame, mwidth, menu->entry_no*eheight-1
 603                        + menu->frame->top_width + menu->frame->bottom_width);
 604
 605
 606     updateTexture(menu);
 607
 608     menu->flags.realized = 1;
 609
 610     if (menu->flags.mapped)
 611         wMenuPaint(menu);
 612     if (menu->brother->flags.mapped)
 613         wMenuPaint(menu->brother);
 614 }
 615
 616
 617 void
 618 wMenuDestroy(WMenu *menu, int recurse)
 619 {
 620     int i;
 621
 622     WMRemoveNotificationObserver(menu);
 623
 624     /* remove any pending timers */
 625     if (menu->timer)
 626         WMDeleteTimerHandler(menu->timer);
 627     menu->timer = NULL;
 628
 629     /* call destroy handler */
 630     if (menu->on_destroy)
 631         (*menu->on_destroy)(menu);
 632
 633     /* Destroy items if this menu own them. If this is the "brother" menu,
 634      * leave them alone as it is shared by them.
 635      */
 636     if (!menu->flags.brother) {
 637         for (i=0; i<menu->entry_no; i++) {
 638
 639             free(menu->entries[i]->text);
 640
 641             if (menu->entries[i]->rtext)
 642               free(menu->entries[i]->rtext);
 643 #ifdef USER_MENU
 644
 645             if (menu->entries[i]->instances){
 646                   PLRelease(menu->entries[i]->instances);
 647                 }
 648 #endif /* USER_MENU */
 649
 650             if (menu->entries[i]->free_cdata && menu->entries[i]->clientdata) {
 651                 (*menu->entries[i]->free_cdata)(menu->entries[i]->clientdata);
 652             }
 653             free(menu->entries[i]);
 654         }
 655
 656         if (recurse) {
 657             for (i=0; i<menu->cascade_no; i++) {
 658                 if (menu->cascades[i]) {
 659                     if (menu->cascades[i]->flags.brother)
 660                       wMenuDestroy(menu->cascades[i]->brother, recurse);
 661                     else
 662                       wMenuDestroy(menu->cascades[i], recurse);
 663                 }
 664             }
 665         }
 666
 667         if (menu->entries)
 668             free(menu->entries);
 669
 670     }
 671
 672     FREE_PIXMAP(menu->menu_texture_data);
 673
 674     if (menu->cascades)
 675       free(menu->cascades);
 676
 677     wCoreDestroy(menu->menu);
 678     wFrameWindowDestroy(menu->frame);
 679
 680     /* destroy copy of this menu */
 681     if (!menu->flags.brother && menu->brother)
 682         wMenuDestroy(menu->brother, False);
 683
 684     free(menu);
 685 }
 686
 687
 688 #define F_NORMAL        0
 689 #define F_TOP           1
 690 #define F_BOTTOM        2
 691 #define F_NONE          3
 692
 693 static void
 694 drawFrame(WScreen *scr, Window win, int y, int w, int h, int type)
 695 {
 696     XSegment segs[2];
 697     int i;
 698
 699     i = 0;
 700     segs[i].x1 = segs[i].x2 = w-1;
 701     segs[i].y1 = y;
 702     segs[i].y2 = y + h - 1;
 703     i++;
 704     if (type != F_TOP && type != F_NONE) {
 705         segs[i].x1 = 1;
 706         segs[i].y1 = segs[i].y2 = y + h-2;
 707         segs[i].x2 = w-1;
 708         i++;
 709     }
 710     XDrawSegments(dpy, win, scr->menu_item_auxtexture->dim_gc, segs, i);
 711
 712     i = 0;
 713     segs[i].x1 = 0;
 714     segs[i].y1 = y;
 715     segs[i].x2 = 0;
 716     segs[i].y2 = y + h - 1;
 717     i++;
 718     if (type != F_BOTTOM && type != F_NONE) {
 719         segs[i].x1 = 0;
 720         segs[i].y1 = y;
 721         segs[i].x2 = w-1;
 722         segs[i].y2 = y;
 723         i++;
 724     }
 725     XDrawSegments(dpy, win, scr->menu_item_auxtexture->light_gc, segs, i);
 726
 727     if (type != F_TOP && type != F_NONE)
 728         XDrawLine(dpy, win, scr->menu_item_auxtexture->dark_gc, 0, y+h-1,
 729                   w-1, y+h-1);
 730 }
 731
 732
 733 static void
 734 paintEntry(WMenu *menu, int index, int selected)
 735 {
 736     int x, y, w, h, tw;
 737     int type;
 738     GC light, dim, dark, textGC;
 739     WScreen *scr=menu->frame->screen_ptr;
 740     Window win = menu->menu->window;
 741     WMenuEntry *entry=menu->entries[index];
 742
 743     if (!menu->flags.realized) return;
 744     h = menu->entry_height;
 745     w = menu->menu->width;
 746     y = index * h;
 747
 748     light = scr->menu_item_auxtexture->light_gc;
 749     dim = scr->menu_item_auxtexture->dim_gc;
 750     dark = scr->menu_item_auxtexture->dark_gc;
 751
 752     if (wPreferences.menu_style == MS_FLAT && menu->entry_no > 1) {
 753         if (index == 0)
 754             type = F_TOP;
 755         else if (index == menu->entry_no - 1)
 756             type = F_BOTTOM;
 757         else
 758             type = F_NONE;
 759     } else {
 760         type = F_NORMAL;
 761     }
 762
 763     /* paint background */
 764     if (selected) {
 765         XSetForeground(dpy, scr->select_menu_gc, scr->select_pixel);
 766         XFillRectangle(dpy, win, scr->select_menu_gc, 1, y+1, w-2, h-3);
 767         if (scr->menu_item_texture->any.type == WTEX_SOLID)
 768             drawFrame(scr, win, y, w, h, type);
 769     } else {
 770         if (scr->menu_item_texture->any.type == WTEX_SOLID) {
 771             XClearArea(dpy, win, 0, y + 1, w - 1, h - 3, False);
 772             /* draw the frame */
 773             drawFrame(scr, win, y, w, h, type);
 774         } else {
 775             XClearArea(dpy, win, 0, y, w, h, False);
 776         }
 777     }
 778
 779     if (selected) {
 780         textGC = scr->select_menu_gc;
 781         if (entry->flags.enabled)
 782             XSetForeground(dpy, textGC, scr->select_text_pixel);
 783         else
 784             XSetForeground(dpy, textGC, scr->dtext_pixel);
 785     } else if (!entry->flags.enabled) {
 786         textGC = scr->disabled_menu_entry_gc;
 787     } else {
 788         textGC = scr->menu_entry_gc;
 789     }
 790     /* draw text */
 791     x = 5;
 792     if (entry->flags.indicator)
 793         x += MENU_INDICATOR_SPACE + 2;
 794
 795     WMDrawString(scr->wmscreen, win, textGC, scr->menu_entry_font,
 796                  x, 3 + y, entry->text, strlen(entry->text));
 797
 798     if (entry->cascade>=0) {
 799         /* draw the cascade indicator */
 800         XDrawLine(dpy,win,dim, w-11, y+6, w-6, y+h/2-1);
 801         XDrawLine(dpy,win,light, w-11, y+h-8, w-6, y+h/2-1);
 802         XDrawLine(dpy,win,dark, w-12, y+6, w-12, y+h-8);
 803     }
 804
 805     /* draw indicator */
 806     if (entry->flags.indicator && entry->flags.indicator_on) {
 807         int iw, ih;
 808         WPixmap *indicator;
 809
 810
 811         switch (entry->flags.indicator_type) {
 812          case MI_CHECK:
 813             indicator = scr->menu_check_indicator;
 814             break;
 815          case MI_MINIWINDOW:
 816             indicator = scr->menu_mini_indicator;
 817             break;
 818          case MI_HIDDEN:
 819             indicator = scr->menu_hide_indicator;
 820             break;
 821          case MI_SHADED:
 822             indicator = scr->menu_shade_indicator;
 823             break;
 824          case MI_DIAMOND:
 825          default:
 826             indicator = scr->menu_radio_indicator;
 827             break;
 828         }
 829
 830         iw = indicator->width;
 831         ih = indicator->height;
 832         XSetClipMask(dpy, scr->copy_gc, indicator->mask);
 833         XSetClipOrigin(dpy, scr->copy_gc, 5, y+(h-ih)/2);
 834         if (selected)
 835             XSetForeground(dpy, scr->copy_gc, scr->black_pixel);
 836         else
 837             XSetForeground(dpy, scr->copy_gc, scr->mtext_pixel);
 838         XFillRectangle(dpy, win, scr->copy_gc, 5, y+(h-ih)/2, iw, ih);
 839         /*
 840         XCopyArea(dpy, indicator->image, win, scr->copy_gc, 0, 0,
 841                   iw, ih, 5, y+(h-ih)/2);
 842          */
 843         XSetClipOrigin(dpy, scr->copy_gc, 0, 0);
 844     }
 845
 846     /* draw right text */
 847
 848     if (entry->rtext && entry->cascade<0) {
 849         tw = WMWidthOfString(scr->menu_entry_font, entry->rtext,
 850                              strlen(entry->rtext));
 851
 852         WMDrawString(scr->wmscreen, win, textGC, scr->menu_entry_font, w-6-tw,
 853                      y + 3, entry->rtext, strlen(entry->rtext));
 854     }
 855 }
 856
 857
 858 static void
 859 move_menus(WMenu *menu, int x, int y)
 860 {
 861     while (menu->parent) {
 862         menu = menu->parent;
 863         x -= MENUW(menu);
 864         if (!wPreferences.align_menus && menu->selected_entry>=0) {
 865             y -= menu->selected_entry*menu->entry_height;
 866         }
 867     }
 868     wMenuMove(menu, x, y, True);
 869 }
 870
 871 static void
 872 makeVisible(WMenu *menu)
 873 {
 874     WScreen *scr = menu->frame->screen_ptr;
 875     int x1, y1, x2, y2, new_x, new_y, move;
 876
 877     if (menu->entry_no<0) return;
 878
 879     x1 = menu->frame_x;
 880     y1 = menu->frame_y+menu->frame->top_width
 881         + menu->selected_entry*menu->entry_height;
 882     x2 = x1 + MENUW(menu);
 883     y2 = y1 + menu->entry_height;
 884
 885     new_x = x1;
 886     new_y = y1;
 887     move = 0;
 888
 889     if (x1 < 0) {
 890         new_x = 0;
 891         move = 1;
 892     } else if (x2 >= scr->scr_width) {
 893         new_x = scr->scr_width - MENUW(menu) - 1;
 894         move = 1;
 895     }
 896
 897     if (y1 < 0) {
 898         new_y = 0;
 899         move = 1;
 900     } else if (y2 >= scr->scr_height) {
 901         new_y = scr->scr_height - menu->entry_height - 1;
 902         move = 1;
 903     }
 904
 905     new_y = new_y - menu->frame->top_width
 906         - menu->selected_entry*menu->entry_height;
 907     move_menus(menu, new_x, new_y);
 908 }
 909
 910
 911 static int
 912 check_key(WMenu *menu, XKeyEvent *event)
 913 {
 914     int i, ch, s;
 915     char buffer[32];
 916
 917     if (XLookupString(event, buffer, 32, NULL, NULL)<1)
 918         return -1;
 919
 920     ch = toupper(buffer[0]);
 921
 922     s = (menu->selected_entry>=0 ? menu->selected_entry+1 : 0);
 923
 924 again:
 925     for (i=s; i<menu->entry_no; i++) {
 926         if (ch==toupper(menu->entries[i]->text[0])) {
 927             return i;
 928         }
 929     }
 930     /* no match. Retry from start, if previous started from a selected entry */
 931     if (s!=0) {
 932         s = 0;
 933         goto again;
 934     }
 935     return -1;
 936 }
 937
 938
 939 static int
 940 keyboardMenu(WMenu *menu)
 941 {
 942     XEvent event;
 943     KeySym ksym=NoSymbol;
 944     int done=0;
 945     int index;
 946     WMenuEntry *entry;
 947     int old_pos_x = menu->frame_x;
 948     int old_pos_y = menu->frame_y;
 949     int new_x = old_pos_x, new_y = old_pos_y;
 950     int scr_width = menu->frame->screen_ptr->scr_width;
 951     int scr_height = menu->frame->screen_ptr->scr_height;
 952
 953     if (menu->flags.editing)
 954         return False;
 955
 956
 957     XGrabKeyboard(dpy, menu->frame->core->window, True, GrabModeAsync,
 958                   GrabModeAsync, CurrentTime);
 959
 960     if (menu->frame_y+menu->frame->top_width >= scr_height)
 961         new_y = scr_height - menu->frame->top_width;
 962
 963     if (menu->frame_x+MENUW(menu) >= scr_width)
 964         new_x = scr_width-MENUW(menu)-1;
 965
 966     move_menus(menu, new_x, new_y);
 967
 968     while (!done && menu->flags.mapped) {
 969         XAllowEvents(dpy, AsyncKeyboard, CurrentTime);
 970         WMMaskEvent(dpy, ExposureMask|ButtonMotionMask|ButtonPressMask
 971                     |ButtonReleaseMask|KeyPressMask|KeyReleaseMask
 972                     |SubstructureNotifyMask, &event);
 973
 974         switch (event.type) {
 975          case KeyPress:
 976             ksym = XLookupKeysym(&event.xkey, 0);
 977             switch (ksym) {
 978              case XK_Escape:
 979                 done = 1;
 980                 break;
 981
 982              case XK_Home:
 983              case XK_KP_Home:
 984                 selectEntry(menu, 0);
 985                 makeVisible(menu);
 986                 break;
 987
 988              case XK_End:
 989              case XK_KP_End:
 990                 selectEntry(menu, menu->entry_no-1);
 991                 makeVisible(menu);
 992                 break;
 993
 994              case XK_Up:
 995 #ifdef ARROWLESS_KBD
 996              case XK_k:
 997 #endif
 998              case XK_KP_Up:
 999                 if (menu->selected_entry <= 0)
1000                     selectEntry(menu, menu->entry_no-1);
1001                 else
1002                     selectEntry(menu, menu->selected_entry-1);
1003                 makeVisible(menu);
1004                 break;
1005
1006              case XK_Down:
1007 #ifdef ARROWLESS_KBD
1008              case XK_j:
1009 #endif
1010              case XK_KP_Down:
1011                 if (menu->selected_entry<0)
1012                     selectEntry(menu, 0);
1013                 else if (menu->selected_entry == menu->entry_no-1)
1014                     selectEntry(menu, 0);
1015                 else if (menu->selected_entry < menu->entry_no-1)
1016                     selectEntry(menu, menu->selected_entry+1);
1017                 makeVisible(menu);
1018                 break;
1019
1020              case XK_Right:
1021 #ifdef ARROWLESS_KBD
1022              case XK_l:
1023 #endif
1024              case XK_KP_Right:
1025                 if (menu->selected_entry>=0) {
1026                     WMenuEntry *entry;
1027                     entry = menu->entries[menu->selected_entry];
1028
1029                     if (entry->cascade >= 0 && menu->cascades
1030                         && menu->cascades[entry->cascade]->entry_no > 0) {
1031
1032                         XUngrabKeyboard(dpy, CurrentTime);
1033
1034                         selectEntry(menu->cascades[entry->cascade], 0);
1035                         if (!keyboardMenu(menu->cascades[entry->cascade]))
1036                             done = 1;
1037
1038                         XGrabKeyboard(dpy, menu->frame->core->window, True,
1039                                       GrabModeAsync, GrabModeAsync,
1040                                       CurrentTime);
1041                     }
1042                 }
1043                 break;
1044
1045              case XK_Left:
1046 #ifdef ARROWLESS_KBD
1047              case XK_h:
1048 #endif
1049              case XK_KP_Left:
1050                 if (menu->parent!=NULL && menu->parent->selected_entry>=0) {
1051                     selectEntry(menu, -1);
1052                     move_menus(menu, old_pos_x, old_pos_y);
1053                     return True;
1054                 }
1055                 break;
1056
1057              case XK_Return:
1058                 done = 2;
1059                 break;
1060
1061              default:
1062                 index = check_key(menu, &event.xkey);
1063                 if (index>=0) {
1064                     selectEntry(menu, index);
1065                 }
1066             }
1067             break;
1068
1069          default:
1070             if (event.type==ButtonPress)
1071                 done = 1;
1072
1073             WMHandleEvent(&event);
1074         }
1075     }
1076
1077     XUngrabKeyboard(dpy, CurrentTime);
1078
1079     if (done==2 && menu->selected_entry>=0) {
1080         entry = menu->entries[menu->selected_entry];
1081     } else {
1082         entry = NULL;
1083     }
1084
1085     if (entry && entry->callback!=NULL && entry->flags.enabled
1086         && entry->cascade < 0) {
1087 #if (MENU_BLINK_COUNT > 0)
1088         int sel = menu->selected_entry;
1089         int i;
1090
1091         for (i=0; i<MENU_BLINK_COUNT; i++) {
1092             paintEntry(menu, sel, False);
1093             XSync(dpy, 0);
1094             wusleep(MENU_BLINK_DELAY);
1095             paintEntry(menu, sel, True);
1096             XSync(dpy, 0);
1097             wusleep(MENU_BLINK_DELAY);
1098         }
1099 #endif
1100         selectEntry(menu, -1);
1101
1102         if (!menu->flags.buttoned) {
1103             wMenuUnmap(menu);
1104             move_menus(menu, old_pos_x, old_pos_y);
1105         }
1106         closeCascade(menu);
1107
1108         (*entry->callback)(menu, entry);
1109     } else {
1110         if (!menu->flags.buttoned) {
1111             wMenuUnmap(menu);
1112             move_menus(menu, old_pos_x, old_pos_y);
1113         }
1114         selectEntry(menu, -1);
1115     }
1116
1117
1118     /* returns True if returning from a submenu to a parent menu,
1119      * False if exiting from menu */
1120     return False;
1121 }
1122
1123
1124 void
1125 wMenuMapAt(WMenu *menu, int x, int y, int keyboard)
1126 {
1127     int scr_width = menu->frame->screen_ptr->scr_width;
1128     int scr_height = menu->frame->screen_ptr->scr_height;
1129
1130     if (!menu->flags.realized) {
1131         menu->flags.realized=1;
1132         wMenuRealize(menu);
1133     }
1134     if (!menu->flags.mapped) {
1135         if (wPreferences.wrap_menus) {
1136             if (x<0) x = 0;
1137             if (y<0) y = 0;
1138             if (x+MENUW(menu) > scr_width)
1139                 x = scr_width - MENUW(menu);
1140             if (y+MENUH(menu) > scr_height)
1141                 y = scr_height - MENUH(menu);
1142         }
1143
1144         XMoveWindow(dpy, menu->frame->core->window, x, y);
1145         menu->frame_x = x;
1146         menu->frame_y = y;
1147         XMapWindow(dpy, menu->frame->core->window);
1148         wRaiseFrame(menu->frame->core);
1149         menu->flags.mapped = 1;
1150     } else {
1151         selectEntry(menu, 0);
1152     }
1153
1154     if (keyboard)
1155         keyboardMenu(menu);
1156 }
1157
1158
1159 void
1160 wMenuMap(WMenu *menu)
1161 {
1162     if (!menu->flags.realized) {
1163         menu->flags.realized=1;
1164         wMenuRealize(menu);
1165     }
1166     if (menu->flags.app_menu && menu->parent==NULL) {
1167         menu->frame_x = menu->frame->screen_ptr->app_menu_x;
1168         menu->frame_y = menu->frame->screen_ptr->app_menu_y;
1169         XMoveWindow(dpy, menu->frame->core->window, menu->frame_x, menu->frame_y);
1170     }
1171     XMapWindow(dpy, menu->frame->core->window);
1172     wRaiseFrame(menu->frame->core);
1173     menu->flags.mapped = 1;
1174 }
1175
1176
1177 void
1178 wMenuUnmap(WMenu *menu)
1179 {
1180     int i;
1181
1182     XUnmapWindow(dpy, menu->frame->core->window);
1183     if (menu->flags.titled && menu->flags.buttoned) {
1184         wFrameWindowHideButton(menu->frame, WFF_RIGHT_BUTTON);
1185     }
1186     menu->flags.buttoned = 0;
1187     menu->flags.mapped = 0;
1188     menu->flags.open_to_left = 0;
1189
1190     for (i=0; i<menu->cascade_no; i++) {
1191         if (menu->cascades[i]!=NULL
1192             && menu->cascades[i]->flags.mapped
1193             && !menu->cascades[i]->flags.buttoned) {
1194
1195             wMenuUnmap(menu->cascades[i]);
1196         }
1197     }
1198     menu->selected_entry = -1;
1199 }
1200
1201
1202
1203 void
1204 wMenuPaint(WMenu *menu)
1205 {
1206     int i;
1207
1208     if (!menu->flags.mapped) {
1209         return;
1210     }
1211
1212     /* paint entries */
1213     for (i=0; i<menu->entry_no; i++) {
1214         paintEntry(menu, i, i==menu->selected_entry);
1215     }
1216 }
1217
1218
1219 void
1220 wMenuSetEnabled(WMenu *menu, int index, int enable)
1221 {
1222     if (index>=menu->entry_no) return;
1223     menu->entries[index]->flags.enabled=enable;
1224     paintEntry(menu, index, index==menu->selected_entry);
1225     paintEntry(menu->brother, index, index==menu->selected_entry);
1226 }
1227
1228
1229 /* ====================================================================== */
1230
1231
1232 static void
1233 editEntry(WMenu *menu, WMenuEntry *entry)
1234 {
1235     WTextInput *text;
1236     XEvent event;
1237     WObjDescriptor *desc;
1238     char *t;
1239     int done = 0;
1240     Window old_focus;
1241     int old_revert;
1242
1243     menu->flags.editing = 1;
1244
1245     text = wTextCreate(menu->menu, 1, menu->entry_height * entry->order,
1246                        menu->menu->width - 2, menu->entry_height - 1);
1247
1248     wTextPutText(text, entry->text);
1249     XGetInputFocus(dpy, &old_focus, &old_revert);
1250     XSetInputFocus(dpy, text->core->window, RevertToNone, CurrentTime);
1251
1252     if (XGrabKeyboard(dpy, text->core->window, True, GrabModeAsync,
1253                       GrabModeAsync, CurrentTime)!=GrabSuccess) {
1254         wwarning("could not grab keyboard");
1255         wTextDestroy(text);
1256
1257         wSetFocusTo(menu->frame->screen_ptr,
1258                     menu->frame->screen_ptr->focused_window);
1259         return;
1260     }
1261
1262
1263     while (!done && !text->done) {
1264         XSync(dpy, 0);
1265         XAllowEvents(dpy, AsyncKeyboard|AsyncPointer, CurrentTime);
1266         XSync(dpy, 0);
1267         WMNextEvent(dpy, &event);
1268
1269         if (XFindContext(dpy, event.xany.window, wWinContext,
1270                          (XPointer *)&desc)==XCNOENT)
1271             desc = NULL;
1272
1273         if ((desc != NULL) && (desc->handle_anything != NULL)) {
1274
1275             (*desc->handle_anything)(desc, &event);
1276
1277         } else {
1278             switch (event.type) {
1279              case ButtonPress:
1280                 XAllowEvents(dpy, ReplayPointer, CurrentTime);
1281                 done = 1;
1282
1283              default:
1284                 WMHandleEvent(&event);
1285                 break;
1286             }
1287         }
1288     }
1289
1290     XSetInputFocus(dpy, old_focus, old_revert, CurrentTime);
1291
1292     wSetFocusTo(menu->frame->screen_ptr,
1293                 menu->frame->screen_ptr->focused_window);
1294
1295
1296     t = wTextGetText(text);
1297     /* if !t, the user has canceled editing */
1298     if (t) {
1299         if (entry->text)
1300             free(entry->text);
1301         entry->text = wstrdup(t);
1302
1303         menu->flags.realized = 0;
1304     }
1305     wTextDestroy(text);
1306
1307     XUngrabKeyboard(dpy, CurrentTime);
1308
1309     if (t && menu->on_edit)
1310         (*menu->on_edit)(menu, entry);
1311
1312     menu->flags.editing = 0;
1313
1314     if (!menu->flags.realized)
1315         wMenuRealize(menu);
1316 }
1317
1318
1319 static void
1320 selectEntry(WMenu *menu, int entry_no)
1321 {
1322     WMenuEntry *entry;
1323     WMenu *submenu;
1324     int old_entry;
1325
1326     if (menu->entries==NULL)
1327         return;
1328
1329     if (entry_no >= menu->entry_no)
1330         return;
1331
1332     old_entry = menu->selected_entry;
1333     menu->selected_entry = entry_no;
1334
1335     if (old_entry!=entry_no) {
1336
1337         /* unselect previous entry */
1338         if (old_entry>=0) {
1339             paintEntry(menu, old_entry, False);
1340             entry = menu->entries[old_entry];
1341
1342             /* unmap cascade */
1343             if (entry->cascade>=0 && menu->cascades) {
1344                 if (!menu->cascades[entry->cascade]->flags.buttoned) {
1345                     wMenuUnmap(menu->cascades[entry->cascade]);
1346                 }
1347             }
1348         }
1349
1350         if (entry_no<0) {
1351             menu->selected_entry = -1;
1352             return;
1353         }
1354         entry = menu->entries[entry_no];
1355
1356         if (entry->cascade>=0 && menu->cascades && entry->flags.enabled) {
1357             /* Callback for when the submenu is opened.
1358              */
1359             submenu = menu->cascades[entry->cascade];
1360             if (submenu && submenu->flags.brother)
1361                 submenu = submenu->brother;
1362
1363             if (entry->callback) {
1364                 /* Only call the callback if the submenu is not yet mapped.
1365                  */
1366                 if (menu->flags.brother) {
1367                     if (!submenu || !submenu->flags.mapped)
1368                         (*entry->callback)(menu->brother, entry);
1369                 } else {
1370                     if (!submenu || !submenu->flags.buttoned)
1371                         (*entry->callback)(menu, entry);
1372                 }
1373             }
1374
1375             /* the submenu menu might have changed */
1376             submenu = menu->cascades[entry->cascade];
1377
1378             /* map cascade */
1379             if (!submenu->flags.mapped) {
1380                 int x, y;
1381
1382                 if (!submenu->flags.realized)
1383                     wMenuRealize(submenu);
1384                 if (wPreferences.wrap_menus) {
1385                     if (menu->flags.open_to_left)
1386                         submenu->flags.open_to_left = 1;
1387
1388                     if (submenu->flags.open_to_left) {
1389                         x = menu->frame_x - MENUW(submenu);
1390                         if (x<0) {
1391                             x = 0;
1392                             submenu->flags.open_to_left = 0;
1393                         }
1394                     } else {
1395                         x = menu->frame_x + MENUW(menu);
1396
1397                         if (x + MENUW(submenu)
1398                             >= menu->frame->screen_ptr->scr_width) {
1399
1400                             x = menu->frame_x - MENUW(submenu);
1401                             submenu->flags.open_to_left = 1;
1402                         }
1403                     }
1404                 } else {
1405                     x = menu->frame_x + MENUW(menu);
1406                 }
1407
1408                 if (wPreferences.align_menus) {
1409                     y = menu->frame_y;
1410                 } else {
1411                     y = menu->frame_y + menu->entry_height*entry_no;
1412                     if (menu->flags.titled)
1413                         y += menu->frame->top_width;
1414                     if (menu->cascades[entry->cascade]->flags.titled)
1415                         y -= menu->cascades[entry->cascade]->frame->top_width;
1416                 }
1417
1418                 wMenuMapAt(menu->cascades[entry->cascade], x, y, False);
1419                 menu->cascades[entry->cascade]->parent = menu;
1420             } else {
1421                 return;
1422             }
1423         }
1424         paintEntry(menu, entry_no, True);
1425     }
1426 }
1427
1428
1429 static WMenu*
1430 findMenu(WScreen *scr, int *x_ret, int *y_ret)
1431 {
1432     WMenu *menu;
1433     WObjDescriptor *desc;
1434     Window root_ret, win, junk_win;
1435     int x, y, wx, wy;
1436     unsigned int mask;
1437
1438     XQueryPointer(dpy, scr->root_win, &root_ret, &win, &x, &y, &wx, &wy,
1439                   &mask);
1440
1441     if (win==None) return NULL;
1442
1443     if (XFindContext(dpy, win, wWinContext, (XPointer *)&desc)==XCNOENT)
1444       return NULL;
1445
1446     if (desc->parent_type == WCLASS_MENU) {
1447         menu = (WMenu*)desc->parent;
1448         XTranslateCoordinates(dpy, root_ret, menu->menu->window, wx, wy,
1449                               x_ret, y_ret, &junk_win);
1450         return menu;
1451     }
1452     return NULL;
1453 }
1454
1455
1456
1457
1458 static void
1459 closeCascade(WMenu *menu)
1460 {
1461     WMenu *parent=menu->parent;
1462
1463     if (menu->flags.brother
1464         || (!menu->flags.buttoned
1465             && (!menu->flags.app_menu||menu->parent!=NULL))) {
1466
1467         selectEntry(menu, -1);
1468         XSync(dpy, 0);
1469 #if (MENU_BLINK_DELAY > 2)
1470         wusleep(MENU_BLINK_DELAY/2);
1471 #endif
1472         wMenuUnmap(menu);
1473         while (parent!=NULL
1474                && (parent->parent!=NULL || !parent->flags.app_menu
1475                    || parent->flags.brother)
1476                && !parent->flags.buttoned) {
1477             selectEntry(parent, -1);
1478             wMenuUnmap(parent);
1479             parent = parent->parent;
1480         }
1481         if (parent)
1482           selectEntry(parent, -1);
1483     }
1484 }
1485
1486
1487 static void
1488 closeBrotherCascadesOf(WMenu *menu)
1489 {
1490     WMenu *tmp;
1491     int i;
1492
1493     for (i=0; i<menu->cascade_no; i++) {
1494         if (menu->cascades[i]->flags.brother) {
1495             tmp = menu->cascades[i];
1496         } else {
1497             tmp = menu->cascades[i]->brother;
1498         }
1499         if (tmp->flags.mapped) {
1500             selectEntry(tmp->parent, -1);
1501             closeBrotherCascadesOf(tmp);
1502             break;
1503         }
1504     }
1505 }
1506
1507
1508 #define getEntryAt(menu, x, y)   ((y)<0 ? -1 : (y)/(menu->entry_height))
1509
1510
1511 static WMenu*
1512 parentMenu(WMenu *menu)
1513 {
1514     WMenu *parent;
1515     WMenuEntry *entry;
1516
1517     if (menu->flags.buttoned)
1518         return menu;
1519
1520     while (menu->parent && menu->parent->flags.mapped) {
1521         parent = menu->parent;
1522         if (parent->selected_entry < 0)
1523             break;
1524         entry = parent->entries[parent->selected_entry];
1525         if (!entry->flags.enabled || entry->cascade<0 || !parent->cascades ||
1526             parent->cascades[entry->cascade] != menu)
1527             break;
1528         menu = parent;
1529         if (menu->flags.buttoned)
1530             break;
1531     }
1532
1533     return menu;
1534 }
1535
1536
1537
1538 /*
1539  * Will raise the passed menu, if submenu = 0
1540  * If submenu > 0 will also raise all mapped submenus
1541  * until the first buttoned one
1542  * If submenu < 0 will also raise all mapped parent menus
1543  * until the first buttoned one
1544  */
1545
1546 static void
1547 raiseMenus(WMenu *menu, int submenus)
1548 {
1549     WMenu *submenu;
1550     int i;
1551
1552     if(!menu) return;
1553
1554     wRaiseFrame(menu->frame->core);
1555
1556     if (submenus>0 && menu->selected_entry>=0) {
1557         i = menu->entries[menu->selected_entry]->cascade;
1558         if (i>=0 && menu->cascades) {
1559             submenu = menu->cascades[i];
1560             if (submenu->flags.mapped && !submenu->flags.buttoned)
1561                 raiseMenus(submenu, submenus);
1562         }
1563     }
1564     if (submenus<0 && !menu->flags.buttoned &&
1565         menu->parent && menu->parent->flags.mapped)
1566         raiseMenus(menu->parent, submenus);
1567 }
1568
1569
1570 WMenu*
1571 wMenuUnderPointer(WScreen *screen)
1572 {
1573     WObjDescriptor *desc;
1574     Window root_ret, win;
1575     int dummy;
1576     unsigned int mask;
1577
1578     XQueryPointer(dpy, screen->root_win, &root_ret, &win, &dummy, &dummy,
1579                   &dummy, &dummy, &mask);
1580
1581     if (win==None) return NULL;
1582
1583     if (XFindContext(dpy, win, wWinContext, (XPointer *)&desc)==XCNOENT)
1584         return NULL;
1585
1586     if (desc->parent_type == WCLASS_MENU)
1587         return (WMenu *)desc->parent;
1588     return NULL;
1589 }
1590
1591
1592
1593 #define MIN(a,b)  (((a) > (b)) ? (b) : (a))
1594
1595
1596 static void
1597 getPointerPosition(WScreen *scr, int *x, int *y)
1598 {
1599     Window root_ret, win;
1600     int wx, wy;
1601     unsigned int mask;
1602
1603     XQueryPointer(dpy, scr->root_win, &root_ret, &win, x, y, &wx, &wy, &mask);
1604 }
1605
1606
1607 static void
1608 getScrollAmount(WMenu *menu, int *hamount, int *vamount)
1609 {
1610     WScreen *scr = menu->menu->screen_ptr;
1611     int menuX1 = menu->frame_x;
1612     int menuY1 = menu->frame_y;
1613     int menuX2 = menu->frame_x + MENUW(menu);
1614     int menuY2 = menu->frame_y + MENUH(menu);
1615     int screenW = scr->scr_width;
1616     int screenH = scr->scr_height;
1617     int xroot, yroot;
1618
1619     *hamount = 0;
1620     *vamount = 0;
1621
1622     getPointerPosition(scr, &xroot, &yroot);
1623
1624
1625     if (xroot <= 1 && menuX1 < 0) {
1626         /* scroll to the right */
1627         *hamount = MIN(MENU_SCROLL_STEP, abs(menuX1));
1628
1629     } else if (xroot >= screenW-2 && menuX2 > screenW-1) {
1630         /* scroll to the left */
1631         *hamount = MIN(MENU_SCROLL_STEP, abs(menuX2-screenW-1));
1632
1633         if (*hamount==0)
1634             *hamount = 1;
1635
1636         *hamount = -*hamount;
1637     }
1638
1639     if (yroot <= 1 && menuY1 < 0) {
1640         /* scroll down */
1641         *vamount = MIN(MENU_SCROLL_STEP, abs(menuY1));
1642
1643     } else if (yroot >= screenH-2 && menuY2 > screenH-1) {
1644         /* scroll up */
1645         *vamount = MIN(MENU_SCROLL_STEP, abs(menuY2-screenH-2));
1646
1647         *vamount = -*vamount;
1648     }
1649 }
1650
1651
1652 static void
1653 dragScrollMenuCallback(void *data)
1654 {
1655     WMenu *menu = (WMenu*)data;
1656     WScreen *scr = menu->menu->screen_ptr;
1657     WMenu *parent = parentMenu(menu);
1658     int hamount, vamount;
1659     int x, y;
1660     int newSelectedEntry;
1661
1662     getScrollAmount(menu, &hamount, &vamount);
1663
1664
1665     if (hamount != 0 || vamount != 0) {
1666         wMenuMove(parent, parent->frame_x + hamount,
1667                   parent->frame_y + vamount, True);
1668         if (findMenu(scr, &x, &y)) {
1669             newSelectedEntry = getEntryAt(menu, x, y);
1670             selectEntry(menu, newSelectedEntry);
1671         } else {
1672             /* Pointer fell outside of menu. If the selected entry is
1673              * not a submenu, unselect it */
1674             if (menu->selected_entry >= 0
1675                 && menu->entries[menu->selected_entry]->cascade<0)
1676                 selectEntry(menu, -1);
1677             newSelectedEntry = 0;
1678         }
1679
1680         /* paranoid check */
1681         if (newSelectedEntry >= 0) {
1682             /* keep scrolling */
1683             menu->timer = WMAddTimerHandler(MENU_SCROLL_DELAY,
1684                                             dragScrollMenuCallback, menu);
1685         } else {
1686             menu->timer = NULL;
1687         }
1688     } else {
1689         /* don't need to scroll anymore */
1690         menu->timer = NULL;
1691         if (findMenu(scr, &x, &y)) {
1692             newSelectedEntry = getEntryAt(menu, x, y);
1693             selectEntry(menu, newSelectedEntry);
1694         }
1695     }
1696 }
1697
1698
1699 static void
1700 scrollMenuCallback(void *data)
1701 {
1702     WMenu *menu = (WMenu*)data;
1703     WMenu *parent = parentMenu(menu);
1704     int hamount = 0;                   /* amount to scroll */
1705     int vamount = 0;
1706
1707     getScrollAmount(menu, &hamount, &vamount);
1708
1709     if (hamount != 0 || vamount != 0) {
1710         wMenuMove(parent, parent->frame_x + hamount,
1711                   parent->frame_y + vamount, True);
1712
1713         /* keep scrolling */
1714         menu->timer = WMAddTimerHandler(MENU_SCROLL_DELAY,
1715                                         scrollMenuCallback, menu);
1716     } else {
1717         /* don't need to scroll anymore */
1718         menu->timer = NULL;
1719     }
1720 }
1721
1722
1723
1724 #define MENU_SCROLL_BORDER   5
1725
1726 static int
1727 isPointNearBoder(WMenu *menu, int x, int y)
1728 {
1729     int menuX1 = menu->frame_x;
1730     int menuY1 = menu->frame_y;
1731     int menuX2 = menu->frame_x + MENUW(menu);
1732     int menuY2 = menu->frame_y + MENUH(menu);
1733     int scrXe = menu->menu->screen_ptr->scr_width-1;
1734     int scrYe = menu->menu->screen_ptr->scr_height-1;
1735     int flag = 0;
1736
1737     if (x >= menuX1 && x <= menuX2 && (y < MENU_SCROLL_BORDER
1738                                        || y > scrYe-MENU_SCROLL_BORDER))
1739         flag = 1;
1740     else if (y >= menuY1 && y <= menuY2 && (x < MENU_SCROLL_BORDER
1741                                             || x > scrXe-MENU_SCROLL_BORDER))
1742         flag = 1;
1743
1744     return flag;
1745 }
1746
1747
1748 typedef struct _delay {
1749     WWindow *wwin;
1750     WMenu *menu;
1751     int ox,oy;
1752 } _delay;
1753
1754
1755 static void
1756 _leaving(_delay *dl)
1757 {
1758     wMenuMove(dl->menu, dl->ox, dl->oy, True);
1759     dl->menu->jump_back=NULL;
1760     dl->menu->menu->screen_ptr->flags.jump_back_pending = 0;
1761     free(dl);
1762 }
1763
1764
1765 void
1766 wMenuScroll(WMenu *menu, XEvent *event)
1767 {
1768     WMenu *smenu;
1769     WMenu *omenu = parentMenu(menu);
1770     WScreen *scr = menu->frame->screen_ptr;
1771     int done = 0;
1772     int jump_back = 0;
1773     int old_frame_x = omenu->frame_x;
1774     int old_frame_y = omenu->frame_y;
1775     XEvent ev;
1776
1777 #ifdef DEBUG
1778     puts("Entering menu Scroll");
1779 #endif
1780
1781     if (omenu->jump_back)
1782         WMDeleteTimerWithClientData(omenu->jump_back);
1783
1784
1785     if ((/*omenu->flags.buttoned &&*/ !wPreferences.wrap_menus)
1786         || omenu->flags.app_menu) {
1787         jump_back = 1;
1788     }
1789
1790     if (!wPreferences.wrap_menus)
1791         raiseMenus(omenu, True);
1792     else
1793         raiseMenus(menu, False);
1794
1795     if (!menu->timer)
1796         scrollMenuCallback(menu);
1797
1798     while(!done) {
1799         int x, y, on_border, on_x_edge, on_y_edge, on_title;
1800
1801         WMNextEvent(dpy, &ev);
1802         switch (ev.type) {
1803          case EnterNotify:
1804             WMHandleEvent(&ev);
1805          case MotionNotify:
1806             x = (ev.type==MotionNotify) ? ev.xmotion.x_root : ev.xcrossing.x_root;
1807             y = (ev.type==MotionNotify) ? ev.xmotion.y_root : ev.xcrossing.y_root;
1808
1809             /* on_border is != 0 if the pointer is between the menu
1810              * and the screen border and is close enough to the border */
1811             on_border = isPointNearBoder(menu, x, y);
1812
1813             smenu = wMenuUnderPointer(scr);
1814
1815             if ((smenu==NULL && !on_border) || (smenu && parentMenu(smenu)!=omenu)) {
1816                 done = 1;
1817                 break;
1818             }
1819
1820             on_x_edge = x <= 1 || x >= scr->scr_width - 2;
1821             on_y_edge = y <= 1 || y >= scr->scr_height - 2;
1822             on_border = on_x_edge || on_y_edge;
1823
1824             if (!on_border && !jump_back) {
1825                 done = 1;
1826                 break;
1827             }
1828
1829             if (menu->timer && (smenu!=menu || (!on_y_edge && !on_x_edge))) {
1830                 WMDeleteTimerHandler(menu->timer);
1831                 menu->timer = NULL;
1832             }
1833
1834             if (smenu != NULL)
1835                 menu = smenu;
1836
1837             if (!menu->timer)
1838                 scrollMenuCallback(menu);
1839             break;
1840         case ButtonPress:
1841             /* True if we push on title, or drag the omenu to other position */
1842             on_title = ev.xbutton.x_root >= omenu->frame_x &&
1843                 ev.xbutton.x_root <= omenu->frame_x + MENUW(omenu) &&
1844                 ev.xbutton.y_root >= omenu->frame_y &&
1845                 ev.xbutton.y_root <= omenu->frame_y + omenu->frame->top_width;
1846             WMHandleEvent(&ev);
1847             smenu = wMenuUnderPointer(scr);
1848             if (smenu == NULL || (smenu && smenu->flags.buttoned && smenu != omenu))
1849                 done = 1;
1850             else if (smenu==omenu && on_title) {
1851                 jump_back = 0;
1852                 done = 1;
1853             }
1854             break;
1855         case KeyPress:
1856             done = 1;
1857         default:
1858             WMHandleEvent(&ev);
1859             break;
1860         }
1861     }
1862
1863     if (menu->timer) {
1864         WMDeleteTimerHandler(menu->timer);
1865         menu->timer = NULL;
1866     }
1867
1868     if (jump_back) {
1869         _delay *delayer;
1870         if (!omenu->jump_back) {
1871             delayer=wmalloc(sizeof(_delay));
1872             delayer->menu=omenu;
1873             delayer->ox=old_frame_x;
1874             delayer->oy=old_frame_y;
1875             omenu->jump_back=delayer;
1876             scr->flags.jump_back_pending = 1;
1877         }
1878         else delayer = omenu->jump_back;
1879         WMAddTimerHandler(MENU_JUMP_BACK_DELAY,(WMCallback*)_leaving, delayer);
1880     }
1881
1882
1883 #ifdef DEBUG
1884     puts("Leaving menu Scroll");
1885 #endif
1886 }
1887
1888
1889
1890 static void
1891 menuExpose(WObjDescriptor *desc, XEvent *event)
1892 {
1893     wMenuPaint(desc->parent);
1894 }
1895
1896 typedef struct {
1897     int *delayed_select;
1898     WMenu *menu;
1899     WMHandlerID magic;
1900 } delay_data;
1901
1902
1903 static void
1904 delaySelection(void *data)
1905 {
1906     delay_data *d = (delay_data*)data;
1907     int x, y, entry_no;
1908     WMenu *menu;
1909
1910     d->magic = NULL;
1911
1912     menu = findMenu(d->menu->menu->screen_ptr, &x, &y);
1913     if (menu && (d->menu == menu || d->delayed_select)) {
1914         entry_no = getEntryAt(menu, x, y);
1915         selectEntry(menu, entry_no);
1916     }
1917     if (d->delayed_select)
1918         *(d->delayed_select) = 0;
1919 }
1920
1921
1922 static void
1923 menuMouseDown(WObjDescriptor *desc, XEvent *event)
1924 {
1925     XButtonEvent *bev = &event->xbutton;
1926     WMenu *menu = desc->parent;
1927     WMenu *smenu;
1928     WScreen *scr=menu->frame->screen_ptr;
1929     WMenuEntry *entry=NULL;
1930     XEvent ev;
1931     int close_on_exit=0;
1932     int done=0;
1933     int delayed_select = 0;
1934     int entry_no;
1935     int x, y;
1936     int prevx, prevy;
1937     int old_frame_x = 0;
1938     int old_frame_y = 0;
1939     delay_data d_data = {NULL, NULL, NULL};
1940
1941     if (!wPreferences.wrap_menus) {
1942         smenu = parentMenu(menu);
1943         old_frame_x = smenu->frame_x;
1944         old_frame_y = smenu->frame_y;
1945     } else if (event->xbutton.window == menu->frame->core->window) {
1946         /* This is true if the menu was launched with right click on root window */
1947         delayed_select = 1;
1948         d_data.delayed_select = &delayed_select;
1949         d_data.menu = menu;
1950         d_data.magic = WMAddTimerHandler(wPreferences.dblclick_time,
1951                                         delaySelection, &d_data);
1952     }
1953
1954     wRaiseFrame(menu->frame->core);
1955
1956     close_on_exit = (bev->send_event || menu->flags.brother);
1957
1958     smenu = findMenu(scr, &x, &y);
1959     if (!smenu) {
1960         x = -1;
1961         y = -1;
1962     } else {
1963         menu = smenu;
1964     }
1965
1966     if (menu->flags.editing) {
1967         return;
1968     }
1969     entry_no = getEntryAt(menu, x, y);
1970     if (entry_no>=0) {
1971         entry = menu->entries[entry_no];
1972
1973         if (!close_on_exit && (bev->state & ControlMask) && smenu
1974             && entry->flags.editable) {
1975             editEntry(smenu, entry);
1976             return;
1977         } else if (bev->state & ControlMask) {
1978             return;
1979         }
1980
1981         if (entry->flags.enabled && entry->cascade>=0 && menu->cascades) {
1982             WMenu *submenu = menu->cascades[entry->cascade];
1983             /* map cascade */
1984             if (submenu->flags.mapped && !submenu->flags.buttoned &&
1985                 menu->selected_entry!=entry_no) {
1986                 wMenuUnmap(submenu);
1987             }
1988             if (!submenu->flags.mapped && !delayed_select) {
1989                 selectEntry(menu, entry_no);
1990             } else if (!submenu->flags.buttoned) {
1991                 selectEntry(menu, -1);
1992             }
1993
1994         } else if (!delayed_select) {
1995             selectEntry(menu, entry_no);
1996         }
1997
1998         if (!wPreferences.wrap_menus && !wPreferences.scrollable_menus) {
1999             if (!menu->timer)
2000                 dragScrollMenuCallback(menu);
2001         }
2002     }
2003
2004     prevx = bev->x_root;
2005     prevy = bev->y_root;
2006     while (!done) {
2007         int x, y;
2008
2009         XAllowEvents(dpy, SyncPointer, CurrentTime);
2010
2011         WMMaskEvent(dpy, ExposureMask|ButtonMotionMask|ButtonReleaseMask
2012                     |ButtonPressMask, &ev);
2013         switch (ev.type) {
2014          case MotionNotify:
2015             smenu = findMenu(scr, &x, &y);
2016
2017             if (smenu == NULL) {
2018                 /* moved mouse out of menu */
2019
2020                 if (!delayed_select && d_data.magic) {
2021                     WMDeleteTimerHandler(d_data.magic);
2022                     d_data.magic = NULL;
2023                 }
2024                 if (menu==NULL
2025                     || (menu->selected_entry>=0
2026                         && menu->entries[menu->selected_entry]->cascade>=0)) {
2027                     prevx = ev.xmotion.x_root;
2028                     prevy = ev.xmotion.y_root;
2029
2030                     break;
2031                 }
2032                 selectEntry(menu, -1);
2033                 menu = smenu;
2034                 prevx = ev.xmotion.x_root;
2035                 prevy = ev.xmotion.y_root;
2036                 break;
2037             } else if (menu && menu!=smenu
2038                        && (menu->selected_entry<0
2039                            || menu->entries[menu->selected_entry]->cascade<0)) {
2040                 selectEntry(menu, -1);
2041
2042                 if (!delayed_select && d_data.magic) {
2043                     WMDeleteTimerHandler(d_data.magic);
2044                     d_data.magic = NULL;
2045                 }
2046             } else {
2047
2048                 /* hysteresis for item selection */
2049
2050                 /* check if the motion was to the side, indicating that
2051                  * the user may want to cross to a submenu */
2052                 if (!delayed_select && menu) {
2053                     int dx;
2054                     Bool moved_to_submenu;/* moved to direction of submenu */
2055
2056                     dx = abs(prevx - ev.xmotion.x_root);
2057
2058                     moved_to_submenu = False;
2059                     if (dx > 0 /* if moved enough to the side */
2060                         /* maybe a open submenu */
2061                         && menu->selected_entry>=0
2062                         /* moving to the right direction */
2063                         && (wPreferences.align_menus
2064                             || ev.xmotion.y_root >= prevy)) {
2065                         int index;
2066
2067                         index = menu->entries[menu->selected_entry]->cascade;
2068                         if (index>=0) {
2069                             if (menu->cascades[index]->frame_x>menu->frame_x) {
2070                                 if (prevx < ev.xmotion.x_root)
2071                                     moved_to_submenu = True;
2072                             } else {
2073                                 if (prevx > ev.xmotion.x_root)
2074                                     moved_to_submenu = True;
2075                             }
2076                         }
2077                     }
2078
2079
2080                     if (menu != smenu) {
2081                         if (d_data.magic) {
2082                             WMDeleteTimerHandler(d_data.magic);
2083                         }
2084                         d_data.magic = NULL;
2085                     } else if (moved_to_submenu) {
2086                         /* while we are moving, postpone the selection */
2087                         if (d_data.magic) {
2088                             WMDeleteTimerHandler(d_data.magic);
2089                         }
2090                         d_data.delayed_select = NULL;
2091                         d_data.menu = menu;
2092                         d_data.magic = WMAddTimerHandler(MENU_SELECT_DELAY,
2093                                                          delaySelection,
2094                                                          &d_data);
2095                         prevx = ev.xmotion.x_root;
2096                         prevy = ev.xmotion.y_root;
2097                         break;
2098                     } else {
2099                         if (d_data.magic)
2100                             WMDeleteTimerHandler(d_data.magic);
2101                         d_data.magic = NULL;
2102                     }
2103                 }
2104             }
2105             prevx = ev.xmotion.x_root;
2106             prevy = ev.xmotion.y_root;
2107             if (menu!=smenu) {
2108                 /* pointer crossed menus */
2109                 if (menu && menu->timer) {
2110                     WMDeleteTimerHandler(menu->timer);
2111                     menu->timer = NULL;
2112                 }
2113                 if (smenu)
2114                     dragScrollMenuCallback(smenu);
2115             }
2116             menu = smenu;
2117             if (!menu->timer)
2118                 dragScrollMenuCallback(menu);
2119
2120             if (!delayed_select) {
2121                 entry_no = getEntryAt(menu, x, y);
2122                 if (entry_no>=0) {
2123                     entry = menu->entries[entry_no];
2124                     if (entry->flags.enabled && entry->cascade>=0 &&
2125                         menu->cascades) {
2126                         WMenu *submenu = menu->cascades[entry->cascade];
2127                         if (submenu->flags.mapped && !submenu->flags.buttoned
2128                             && menu->selected_entry!=entry_no) {
2129                             wMenuUnmap(submenu);
2130                         }
2131                     }
2132                 }
2133                 selectEntry(menu, entry_no);
2134             }
2135             break;
2136
2137          case ButtonPress:
2138             break;
2139
2140          case ButtonRelease:
2141             if (ev.xbutton.button == event->xbutton.button)
2142                 done=1;
2143             break;
2144
2145          case Expose:
2146             WMHandleEvent(&ev);
2147             break;
2148         }
2149     }
2150
2151     if (menu && menu->timer) {
2152         WMDeleteTimerHandler(menu->timer);
2153         menu->timer = NULL;
2154     }
2155     if (d_data.magic!=NULL)
2156         WMDeleteTimerHandler(d_data.magic);
2157
2158     if (menu && menu->selected_entry>=0) {
2159         entry = menu->entries[menu->selected_entry];
2160         if (entry->callback!=NULL && entry->flags.enabled
2161             && entry->cascade < 0) {
2162             /* blink and erase menu selection */
2163 #if (MENU_BLINK_DELAY > 0)
2164             int sel = menu->selected_entry;
2165             int i;
2166
2167             for (i=0; i<MENU_BLINK_COUNT; i++) {
2168                 paintEntry(menu, sel, False);
2169                 XSync(dpy, 0);
2170                 wusleep(MENU_BLINK_DELAY);
2171                 paintEntry(menu, sel, True);
2172                 XSync(dpy, 0);
2173                 wusleep(MENU_BLINK_DELAY);
2174             }
2175 #endif
2176             /* unmap the menu, it's parents and call the callback */
2177             if (!menu->flags.buttoned &&
2178                 (!menu->flags.app_menu||menu->parent!=NULL)) {
2179                 closeCascade(menu);
2180             } else {
2181                 selectEntry(menu, -1);
2182             }
2183             (*entry->callback)(menu, entry);
2184
2185             /* If the user double clicks an entry, the entry will
2186              * be executed twice, which is not good for things like
2187              * the root menu. So, ignore any clicks that were generated
2188              * while the entry was being executed */
2189             while (XCheckTypedWindowEvent(dpy, menu->menu->window,
2190                                           ButtonPress, &ev));
2191         } else if (entry->callback!=NULL && entry->cascade<0) {
2192             selectEntry(menu, -1);
2193         } else {
2194             if (entry->cascade>=0 && menu->cascades
2195                 && menu->cascades[entry->cascade]->flags.brother) {
2196                 selectEntry(menu, -1);
2197             }
2198         }
2199     }
2200
2201     if (((WMenu*)desc->parent)->flags.brother || close_on_exit || !smenu)
2202         closeCascade(desc->parent);
2203
2204     /* close the cascade windows that should not remain opened */
2205     closeBrotherCascadesOf(desc->parent);
2206
2207     if (!wPreferences.wrap_menus)
2208         wMenuMove(parentMenu(desc->parent), old_frame_x, old_frame_y, True);
2209 }
2210
2211
2212 void
2213 wMenuMove(WMenu *menu, int x, int y, int submenus)
2214 {
2215     WMenu *submenu;
2216     int i;
2217
2218     if (!menu) return;
2219
2220     menu->frame_x = x;
2221     menu->frame_y = y;
2222     XMoveWindow(dpy, menu->frame->core->window, x, y);
2223
2224     if (submenus>0 && menu->selected_entry>=0) {
2225         i = menu->entries[menu->selected_entry]->cascade;
2226
2227         if (i>=0 && menu->cascades) {
2228             submenu = menu->cascades[i];
2229             if (submenu->flags.mapped && !submenu->flags.buttoned)
2230               if (wPreferences.align_menus) {
2231                   wMenuMove(submenu, x + MENUW(menu), y, submenus);
2232               } else {
2233                   wMenuMove(submenu, x+ MENUW(menu),
2234                             y + submenu->entry_height*menu->selected_entry,
2235                             submenus);
2236               }
2237         }
2238     }
2239     if (submenus<0 && menu->parent!=NULL && menu->parent->flags.mapped &&
2240         !menu->parent->flags.buttoned) {
2241         if (wPreferences.align_menus) {
2242             wMenuMove(menu->parent, x - MENUW(menu->parent), y, submenus);
2243         } else {
2244             wMenuMove(menu->parent, x - MENUW(menu->parent), menu->frame_y
2245                       - menu->parent->entry_height*menu->parent->selected_entry,
2246                       submenus);
2247         }
2248     }
2249 }
2250
2251
2252 static void
2253 changeMenuLevels(WMenu *menu, int lower)
2254 {
2255     int i;
2256
2257     if (!lower) {
2258         ChangeStackingLevel(menu->frame->core, (!menu->parent ? WMMainMenuLevel
2259                                           : WMSubmenuLevel));
2260         wRaiseFrame(menu->frame->core);
2261         menu->flags.lowered = 0;
2262     } else {
2263         ChangeStackingLevel(menu->frame->core, WMNormalLevel);
2264         wLowerFrame(menu->frame->core);
2265         menu->flags.lowered = 1;
2266     }
2267     for (i=0; i<menu->cascade_no; i++) {
2268         if (menu->cascades[i]
2269             && !menu->cascades[i]->flags.buttoned
2270             && menu->cascades[i]->flags.lowered!=lower) {
2271             changeMenuLevels(menu->cascades[i], lower);
2272         }
2273     }
2274 }
2275
2276
2277
2278 static void
2279 menuTitleDoubleClick(WCoreWindow *sender, void *data, XEvent *event)
2280 {
2281     WMenu *menu = data;
2282     int lower;
2283
2284     if (event->xbutton.state & MOD_MASK) {
2285         if (menu->flags.lowered) {
2286             lower = 0;
2287         } else {
2288             lower = 1;
2289         }
2290         changeMenuLevels(menu, lower);
2291     }
2292 }
2293
2294
2295 static void
2296 menuTitleMouseDown(WCoreWindow *sender, void *data, XEvent *event)
2297 {
2298     WMenu *menu = data;
2299     WMenu *tmp;
2300     XEvent ev;
2301     int x=menu->frame_x, y=menu->frame_y;
2302     int dx=event->xbutton.x_root, dy=event->xbutton.y_root;
2303     int i, lower;
2304     Bool started;
2305
2306 #ifdef DEBUG
2307     printf("Moving menu\n");
2308 #endif
2309
2310     /* can't touch the menu copy */
2311     if (menu->flags.brother)
2312         return;
2313
2314     if (event->xbutton.button != Button1 && event->xbutton.button != Button2)
2315       return;
2316
2317     if (event->xbutton.state & MOD_MASK) {
2318         wLowerFrame(menu->frame->core);
2319         lower = 1;
2320     } else {
2321         wRaiseFrame(menu->frame->core);
2322         lower = 0;
2323     }
2324     tmp = menu;
2325
2326     /* lower/raise all submenus */
2327     while (1) {
2328         if (tmp->selected_entry>=0 && tmp->cascades
2329             && tmp->entries[tmp->selected_entry]->cascade>=0) {
2330             tmp = tmp->cascades[tmp->entries[tmp->selected_entry]->cascade];
2331             if (!tmp || !tmp->flags.mapped)
2332               break;
2333             if (lower)
2334               wLowerFrame(tmp->frame->core);
2335             else
2336               wRaiseFrame(tmp->frame->core);
2337         } else {
2338             break;
2339         }
2340     }
2341
2342     /* tear off the menu if it's a root menu or a cascade
2343      application menu */
2344     if (!menu->flags.buttoned && !menu->flags.brother
2345         && (!menu->flags.app_menu||menu->parent!=NULL)) {
2346         menu->flags.buttoned=1;
2347         wFrameWindowShowButton(menu->frame, WFF_RIGHT_BUTTON);
2348         if (menu->parent) {
2349             /* turn off selected menu entry in parent menu */
2350             selectEntry(menu->parent, -1);
2351
2352             /* make parent map the copy in place of the original */
2353             for (i=0; i<menu->parent->cascade_no; i++) {
2354                 if (menu->parent->cascades[i] == menu) {
2355                     menu->parent->cascades[i] = menu->brother;
2356                     break;
2357                 }
2358             }
2359         }
2360     }
2361
2362     started = False;
2363     while(1) {
2364         WMMaskEvent(dpy, ButtonMotionMask|ButtonReleaseMask|ButtonPressMask
2365                     |ExposureMask, &ev);
2366         switch (ev.type) {
2367          case MotionNotify:
2368             if (started) {
2369                 x += ev.xmotion.x_root - dx;
2370                 y += ev.xmotion.y_root - dy;
2371                 dx = ev.xmotion.x_root;
2372                 dy = ev.xmotion.y_root;
2373                 wMenuMove(menu, x, y, True);
2374             } else {
2375                 if (abs(ev.xmotion.x_root - dx) > MOVE_THRESHOLD
2376                     || abs(ev.xmotion.y_root - dy) > MOVE_THRESHOLD) {
2377                     started = True;
2378                     XGrabPointer(dpy, menu->frame->titlebar->window, False,
2379                                  ButtonMotionMask|ButtonReleaseMask
2380                                  |ButtonPressMask,
2381                                  GrabModeAsync, GrabModeAsync, None,
2382                                  wCursor[WCUR_MOVE], CurrentTime);
2383                 }
2384             }
2385             break;
2386
2387          case ButtonPress:
2388             break;
2389
2390          case ButtonRelease:
2391             if (ev.xbutton.button != event->xbutton.button)
2392                 break;
2393 #ifdef DEBUG
2394             printf("End menu move\n");
2395 #endif
2396             XUngrabPointer(dpy, CurrentTime);
2397             return;
2398
2399          default:
2400             WMHandleEvent(&ev);
2401             break;
2402         }
2403     }
2404 }
2405
2406 /*
2407  *----------------------------------------------------------------------
2408  * menuCloseClick--
2409  *      Handles mouse click on the close button of menus. The menu is
2410  * closed when the button is clicked.
2411  *
2412  * Side effects:
2413  *      The closed menu is reinserted at it's parent menus
2414  * cascade list.
2415  *----------------------------------------------------------------------
2416  */
2417 static void
2418 menuCloseClick(WCoreWindow *sender, void *data, XEvent *event)
2419 {
2420     WMenu *menu = (WMenu*)data;
2421     WMenu *parent = menu->parent;
2422     int i;
2423
2424     if (parent) {
2425         for (i=0; i<parent->cascade_no; i++) {
2426             /* find the entry that points to the copy */
2427             if (parent->cascades[i] == menu->brother) {
2428                 /* make it point to the original */
2429                 parent->cascades[i] = menu;
2430                 menu->parent = parent;
2431                 break;
2432             }
2433         }
2434     }
2435     wMenuUnmap(menu);
2436 }
2437
2438
2439 void
2440 wMenuSaveState(WScreen *scr)
2441 {
2442     proplist_t menus, key, value;
2443     int save_menus = 0;
2444
2445     char buffer[256];
2446
2447     menus = PLMakeDictionaryFromEntries(NULL, NULL, NULL);
2448
2449 #ifndef LITE
2450     if (scr->switch_menu && scr->switch_menu->flags.buttoned) {
2451         sprintf(buffer, "%i,%i", scr->switch_menu->frame_x,
2452                                  scr->switch_menu->frame_y);
2453         key = PLMakeString("SwitchMenu");
2454         value = PLMakeString(buffer);
2455         PLInsertDictionaryEntry(menus, key, value);
2456         PLRelease(key);
2457         PLRelease(value);
2458         save_menus = 1;
2459     }
2460
2461     if (saveMenuRecurs(menus, scr, scr->root_menu))
2462         save_menus = 1;
2463
2464 #endif /* !LITE */
2465     if (scr->workspace_menu && scr->workspace_menu->flags.buttoned) {
2466         sprintf(buffer, "%i,%i", scr->workspace_menu->frame_x,
2467                                  scr->workspace_menu->frame_y);
2468         key = PLMakeString("WorkspaceMenu");
2469         value = PLMakeString(buffer);
2470         PLInsertDictionaryEntry(menus, key, value);
2471         PLRelease(key);
2472         PLRelease(value);
2473         save_menus = 1;
2474     }
2475
2476     if (save_menus) {
2477         key = PLMakeString("Menus");
2478         PLInsertDictionaryEntry(scr->session_state, key, menus);
2479         PLRelease(key);
2480     }
2481     PLRelease(menus);
2482 }
2483
2484
2485 #ifndef LITE
2486
2487 static Bool
2488 getMenuPath(WMenu *menu, char *buffer, int bufSize)
2489 {
2490     Bool ok = True;
2491     int len = 0;
2492
2493     if (!menu->flags.titled || !menu->frame->title[0])
2494         return False;
2495
2496     len = strlen(menu->frame->title);
2497     if (len >= bufSize)
2498         return False;
2499
2500     if (menu->parent) {
2501         ok = getMenuPath(menu->parent, buffer, bufSize - len - 1);
2502         if (!ok)
2503             return False;
2504     }
2505
2506     strcat(buffer, "\\");
2507     strcat(buffer, menu->frame->title);
2508
2509     return True;
2510 }
2511
2512 static Bool
2513 saveMenuRecurs(proplist_t menus, WScreen *scr, WMenu *menu)
2514 {
2515     proplist_t key, value;
2516     int save_menus = 0, i;
2517     char buffer[512];
2518     Bool ok = True;
2519
2520
2521     if (menu->flags.brother)
2522         menu = menu->brother;
2523
2524     if (menu->flags.buttoned && menu != scr->switch_menu) {
2525
2526         sprintf(buffer, "%i,%i", menu->frame_x, menu->frame_y);
2527         value = PLMakeString(buffer);
2528
2529         buffer[0] = '\0';
2530         ok = getMenuPath(menu, buffer, 510);
2531
2532         if (ok) {
2533             key = PLMakeString(buffer);
2534             PLInsertDictionaryEntry(menus, key, value);
2535             PLRelease(key);
2536             PLRelease(value);
2537             save_menus = 1;
2538         }
2539     }
2540
2541     if (ok) {
2542         for (i = 0; i < menu->cascade_no; i++) {
2543             if (saveMenuRecurs(menus, scr, menu->cascades[i]))
2544                 save_menus = 1;
2545         }
2546     }
2547     return save_menus;
2548 }
2549 #endif /* !LITE */
2550
2551
2552 #define COMPLAIN(key) wwarning(_("bad value in menus state info:%s"), key)
2553
2554
2555 static int
2556 restoreMenu(WScreen *scr, proplist_t menu, int which)
2557 {
2558     int x, y;
2559     WMenu *pmenu = NULL;
2560
2561     if (!menu)
2562         return False;
2563
2564     if (!PLIsString(menu)) {
2565         COMPLAIN("Position");
2566         return False;
2567     }
2568
2569     if (sscanf(PLGetString(menu), "%i,%i", &x, &y)!=2)
2570         COMPLAIN("Position");
2571
2572 #ifndef LITE
2573     if (which & WSS_SWITCHMENU) {
2574         OpenSwitchMenu(scr, x, y, False);
2575         pmenu = scr->switch_menu;
2576     }
2577 #endif /* !LITE */
2578
2579     if (pmenu) {
2580         int width = MENUW(pmenu);
2581         int height = MENUH(pmenu);
2582
2583         x = (x < -width) ? 0 : x;
2584         x = (x > scr->scr_width) ? scr->scr_width - width : x;
2585         y = (y < 0) ? 0 : y;
2586         y = (y > scr->scr_height) ? scr->scr_height - height : y;
2587         wMenuMove(pmenu, x, y, True);
2588         pmenu->flags.buttoned = 1;
2589         wFrameWindowShowButton(pmenu->frame, WFF_RIGHT_BUTTON);
2590         return True;
2591     }
2592     return False;
2593 }
2594
2595
2596 #ifndef LITE
2597 static int
2598 restoreMenuRecurs(WScreen *scr, proplist_t menus, WMenu *menu, char *path)
2599 {
2600     proplist_t key, entry;
2601     char buffer[512];
2602     int i, x, y, res;
2603
2604     if (strlen(path) + strlen(menu->frame->title) > 510)
2605         return False;
2606
2607     sprintf(buffer, "%s\\%s", path, menu->frame->title);
2608     key = PLMakeString(buffer);
2609     entry = PLGetDictionaryEntry(menus, key);
2610     res = False;
2611
2612     if (entry && PLIsString(entry)) {
2613
2614         if (sscanf(PLGetString(entry), "%i,%i", &x, &y) != 2)
2615             COMPLAIN("Position");
2616
2617         if (!menu->flags.mapped) {
2618             int width = MENUW(menu);
2619             int height = MENUH(menu);
2620
2621             wMenuMapAt(menu, x, y, False);
2622
2623             if (menu->parent) {
2624                 /* make parent map the copy in place of the original */
2625                 for (i=0; i<menu->parent->cascade_no; i++) {
2626                     if (menu->parent->cascades[i] == menu) {
2627                         menu->parent->cascades[i] = menu->brother;
2628                         break;
2629                     }
2630                 }
2631             }
2632             x = (x < -width) ? 0 : x;
2633             x = (x > scr->scr_width) ? scr->scr_width - width : x;
2634             y = (y < 0) ? 0 : y;
2635             y = (y > scr->scr_height) ? scr->scr_height - height : y;
2636             wMenuMove(menu, x, y, True);
2637             menu->flags.buttoned = 1;
2638             wFrameWindowShowButton(menu->frame, WFF_RIGHT_BUTTON);
2639             res = True;
2640         }
2641     }
2642
2643     PLRelease(key);
2644
2645     for (i=0; i<menu->cascade_no; i++) {
2646         if (restoreMenuRecurs(scr, menus, menu->cascades[i], buffer) != False)
2647             res = True;
2648     }
2649
2650     return res;
2651 }
2652 #endif /* !LITE */
2653
2654
2655 void
2656 wMenuRestoreState(WScreen *scr)
2657 {
2658     proplist_t menus, menu, key, skey;
2659
2660     key = PLMakeString("Menus");
2661     menus = PLGetDictionaryEntry(scr->session_state, key);
2662     PLRelease(key);
2663
2664     if (!menus)
2665         return;
2666
2667     /* restore menus */
2668
2669     skey = PLMakeString("SwitchMenu");
2670     menu = PLGetDictionaryEntry(menus, skey);
2671     restoreMenu(scr, menu, WSS_SWITCHMENU);
2672
2673 #ifndef LITE
2674     if (!scr->root_menu) {
2675         OpenRootMenu(scr, scr->scr_width*2, 0, False);
2676         wMenuUnmap(scr->root_menu);
2677     }
2678     restoreMenuRecurs(scr, menus, scr->root_menu, "");
2679 #endif /* !LITE */
2680
2681     PLRelease(skey);
2682 }
2683
2684
2685 void
2686 OpenWorkspaceMenu(WScreen *scr, int x, int y)
2687 {
2688     WMenu *menu, *parent;
2689     WMenuEntry *entry;
2690
2691 #ifndef LITE
2692     if (!scr->root_menu) {
2693         OpenRootMenu(scr, scr->scr_width*2, 0, False);
2694         wMenuUnmap(scr->root_menu);
2695     }
2696 #endif
2697     menu = scr->workspace_menu;
2698     if (menu) {
2699         if (menu->flags.mapped) {
2700             if (!menu->flags.buttoned) {
2701                 wMenuUnmap(menu);
2702                 parent = menu->parent;
2703                 if (parent && parent->selected_entry >= 0) {
2704                     entry = parent->entries[parent->selected_entry];
2705                     if (parent->cascades[entry->cascade] == menu) {
2706                         selectEntry(parent, -1);
2707                         wMenuMapAt(menu, x, y, False);
2708                     }
2709                 }
2710             } else {
2711                 wRaiseFrame(menu->frame->core);
2712                 wMenuMapCopyAt(menu, x, y);
2713             }
2714         } else {
2715             wMenuMapAt(menu, x, y, False);
2716         }
2717     }
2718 }
2719
2720