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
  88 static void selectEntry(WMenu *menu, int entry_no);
  89 static void closeCascade(WMenu *menu);
  90
  91
  92 /****** Notification Observers ******/
  93
  94 static void
  95 appearanceObserver(void *self, WMNotification *notif)
  96 {
  97     WMenu *menu = (WMenu*)self;
  98     int flags = (int)WMGetNotificationClientData(notif);
  99
 100     if (!menu->flags.realized)
 101         return;
 102
 103     if (WMGetNotificationName(notif) == WNMenuAppearanceSettingsChanged) {
 104         if (flags & WFontSettings) {
 105             menu->flags.realized = 0;
 106             wMenuRealize(menu);
 107         }
 108         if (flags & WTextureSettings) {
 109             updateTexture(menu);
 110         }
 111         if (flags & (WTextureSettings|WColorSettings)) {
 112             wMenuPaint(menu);
 113         }
 114     } else if (menu->flags.titled) {
 115
 116         if (flags & WFontSettings) {
 117             menu->flags.realized = 0;
 118             wMenuRealize(menu);
 119         }
 120         if (flags & WTextureSettings) {
 121             menu->frame->flags.need_texture1_remake = 1;
 122         }
 123         if (flags & (WColorSettings|WTextureSettings))
 124             wFrameWindowPaint(menu->frame);
 125     }
 126 }
 127
 128 /************************************/
 129
 130
 131 /*
 132  *----------------------------------------------------------------------
 133  * wMenuCreate--
 134  *      Creates a new empty menu with the specified title. If main_menu
 135  * is True, the created menu will be a main menu, which has some special
 136  * properties such as being placed over other normal menus.
 137  *      If title is NULL, the menu will have no titlebar.
 138  *
 139  * Returns:
 140  *      The created menu.
 141  *----------------------------------------------------------------------
 142  */
 143 WMenu*
 144 wMenuCreate(WScreen *screen, char *title, int main_menu)
 145 {
 146     WMenu *menu;
 147     static int brother=0;
 148     int tmp, flags;
 149
 150     menu = wmalloc(sizeof(WMenu));
 151
 152     memset(menu, 0, sizeof(WMenu));
 153
 154 #ifdef SINGLE_MENULEVEL
 155     tmp = WMSubmenuLevel;
 156 #else
 157     tmp = (main_menu ? WMMainMenuLevel : WMSubmenuLevel);
 158 #endif
 159
 160     flags = WFF_SINGLE_STATE;
 161     if (title) {
 162         flags |= WFF_TITLEBAR|WFF_RIGHT_BUTTON;
 163         menu->flags.titled = 1;
 164     }
 165     menu->frame =
 166         wFrameWindowCreate(screen, tmp, 8, 2, 1, 1, flags,
 167                            screen->menu_title_texture, NULL,
 168                            screen->menu_title_pixel, &screen->menu_title_gc,
 169                            &screen->menu_title_font);
 170
 171     menu->frame->core->descriptor.parent = menu;
 172     menu->frame->core->descriptor.parent_type = WCLASS_MENU;
 173     menu->frame->core->descriptor.handle_mousedown = menuMouseDown;
 174
 175     wFrameWindowHideButton(menu->frame, WFF_RIGHT_BUTTON);
 176
 177     if (title) {
 178         menu->frame->title = wstrdup(title);
 179     }
 180
 181     menu->frame->flags.justification = WTJ_LEFT;
 182
 183     menu->frame->rbutton_image = screen->b_pixmaps[WBUT_CLOSE];
 184
 185     menu->entry_no = 0;
 186     menu->alloced_entries = 0;
 187     menu->selected_entry = -1;
 188     menu->entries = NULL;
 189
 190     menu->frame_x = screen->app_menu_x;
 191     menu->frame_y = screen->app_menu_y;
 192
 193     menu->frame->child = menu;
 194
 195     menu->flags.lowered = 0;
 196
 197     /* create borders */
 198     if (title) {
 199         /* setup object descriptors */
 200         menu->frame->on_mousedown_titlebar = menuTitleMouseDown;
 201         menu->frame->on_dblclick_titlebar = menuTitleDoubleClick;
 202     }
 203
 204     menu->frame->on_click_right = menuCloseClick;
 205
 206
 207     menu->menu = wCoreCreate(menu->frame->core, 0, menu->frame->top_width,
 208                              menu->frame->core->width, 10);
 209
 210     menu->menu->descriptor.parent = menu;
 211     menu->menu->descriptor.parent_type = WCLASS_MENU;
 212     menu->menu->descriptor.handle_expose = menuExpose;
 213     menu->menu->descriptor.handle_mousedown = menuMouseDown;
 214
 215     menu->menu_texture_data = None;
 216
 217     XMapWindow(dpy, menu->menu->window);
 218
 219     XFlush(dpy);
 220
 221     if (!brother) {
 222         brother = 1;
 223         menu->brother = wMenuCreate(screen, title, main_menu);
 224         brother = 0;
 225         menu->brother->flags.brother = 1;
 226         menu->brother->brother = menu;
 227
 228         WMAddNotificationObserver(appearanceObserver, menu,
 229                                   WNMenuTitleAppearanceSettingsChanged, menu);
 230
 231         WMAddNotificationObserver(appearanceObserver, menu,
 232                                   WNMenuAppearanceSettingsChanged, menu);
 233     }
 234
 235     return menu;
 236 }
 237
 238
 239
 240
 241 WMenu*
 242 wMenuCreateForApp(WScreen *screen, char *title, int main_menu)
 243 {
 244     WMenu *menu;
 245
 246     menu = wMenuCreate(screen, title, main_menu);
 247     if (!menu)
 248       return NULL;
 249     menu->flags.app_menu = 1;
 250     menu->brother->flags.app_menu = 1;
 251
 252     return menu;
 253 }
 254
 255
 256
 257 static void
 258 insertEntry(WMenu *menu, WMenuEntry *entry, int index)
 259 {
 260     int i;
 261
 262     for (i = menu->entry_no-1; i >= index; i--) {
 263         menu->entries[i]->order++;
 264         menu->entries[i+1] = menu->entries[i];
 265     }
 266     menu->entries[index] = entry;
 267 }
 268
 269
 270 WMenuEntry*
 271 wMenuInsertCallback(WMenu *menu, int index, char *text,
 272                     void (*callback)(WMenu *menu, WMenuEntry *entry),
 273                     void *clientdata)
 274 {
 275     WMenuEntry *entry;
 276
 277 #ifdef DEBUG
 278     if (!menu) {
 279         printf("Passed NULL as menu parameter to wMenuAddCallback() \n");
 280         return NULL;
 281     }
 282 #endif
 283
 284     assert(menu->flags.brother==0);
 285     menu->flags.realized = 0;
 286     menu->brother->flags.realized = 0;
 287
 288     /* reallocate array if it's too small */
 289     if (menu->entry_no >= menu->alloced_entries) {
 290         void *tmp;
 291 #ifdef DEBUG
 292         puts("doing wrealloc()");
 293 #endif
 294         tmp = wrealloc(menu->entries,
 295                        sizeof(WMenuEntry)*(menu->alloced_entries+5));
 296         if (tmp==NULL) {
 297             wwarning(_("wrealloc() failed while trying to add menu item"));
 298             return NULL;
 299         }
 300
 301         menu->entries = tmp;
 302         menu->alloced_entries += 5;
 303
 304         menu->brother->entries = tmp;
 305         menu->brother->alloced_entries = menu->alloced_entries;
 306     }
 307     entry = wmalloc(sizeof(WMenuEntry));
 308     memset(entry, 0, sizeof(WMenuEntry));
 309     entry->flags.enabled = 1;
 310     entry->text = wstrdup(text);
 311     entry->cascade = -1;
 312     entry->clientdata = clientdata;
 313     entry->callback = callback;
 314     if (index<0 || index>=menu->entry_no) {
 315         entry->order = menu->entry_no;
 316         menu->entries[menu->entry_no] = entry;
 317     } else {
 318         entry->order = index;
 319         insertEntry(menu, entry, index);
 320     }
 321
 322     menu->entry_no++;
 323     menu->brother->entry_no = menu->entry_no;
 324
 325     return entry;
 326 }
 327
 328
 329
 330 void
 331 wMenuEntrySetCascade(WMenu *menu, WMenuEntry *entry, WMenu *cascade)
 332 {
 333     WMenu *brother = menu->brother;
 334     int i, done;
 335
 336     assert(menu->flags.brother==0);
 337
 338     if (entry->cascade>=0) {
 339         menu->flags.realized = 0;
 340         brother->flags.realized = 0;
 341     }
 342
 343     cascade->parent = menu;
 344
 345     cascade->brother->parent = brother;
 346
 347     done = 0;
 348     for (i=0; i<menu->cascade_no; i++) {
 349         if (menu->cascades[i]==NULL) {
 350             menu->cascades[i] = cascade;
 351             brother->cascades[i] = cascade->brother;
 352             done = 1;
 353             entry->cascade = i;
 354             break;
 355         }
 356     }
 357     if (!done) {
 358         entry->cascade = menu->cascade_no;
 359
 360         menu->cascades = wrealloc(menu->cascades,
 361                                   sizeof(WMenu)*(menu->cascade_no+1));
 362         menu->cascades[menu->cascade_no++] = cascade;
 363
 364
 365         brother->cascades = wrealloc(brother->cascades,
 366                                      sizeof(WMenu)*(brother->cascade_no+1));
 367         brother->cascades[brother->cascade_no++] = cascade->brother;
 368     }
 369
 370
 371     if (menu->flags.lowered) {
 372
 373         cascade->flags.lowered = 1;
 374         ChangeStackingLevel(cascade->frame->core, WMNormalLevel);
 375
 376         cascade->brother->flags.lowered = 1;
 377         ChangeStackingLevel(cascade->brother->frame->core, WMNormalLevel);
 378     }
 379
 380     if (!menu->flags.realized)
 381         wMenuRealize(menu);
 382 }
 383
 384
 385 void
 386 wMenuEntryRemoveCascade(WMenu *menu, WMenuEntry *entry)
 387 {
 388     assert(menu->flags.brother==0);
 389
 390     /* destroy cascade menu */
 391     if (entry->cascade>=0 && menu->cascades
 392         && menu->cascades[entry->cascade]!=NULL) {
 393
 394         wMenuDestroy(menu->cascades[entry->cascade], True);
 395
 396         menu->cascades[entry->cascade] = NULL;
 397         menu->brother->cascades[entry->cascade] = NULL;
 398
 399         entry->cascade = -1;
 400     }
 401 }
 402
 403
 404 void
 405 wMenuRemoveItem(WMenu *menu, int index)
 406 {
 407     int i;
 408
 409     if (menu->flags.brother) {
 410         wMenuRemoveItem(menu->brother, index);
 411         return;
 412     }
 413
 414     if (index>=menu->entry_no) return;
 415
 416     /* destroy cascade menu */
 417     wMenuEntryRemoveCascade(menu, menu->entries[index]);
 418
 419     /* destroy unshared data */
 420
 421     if (menu->entries[index]->text)
 422       free(menu->entries[index]->text);
 423
 424     if (menu->entries[index]->rtext)
 425       free(menu->entries[index]->rtext);
 426
 427     if (menu->entries[index]->free_cdata && menu->entries[index]->clientdata)
 428       (*menu->entries[index]->free_cdata)(menu->entries[index]->clientdata);
 429
 430     free(menu->entries[index]);
 431
 432     for (i=index; i<menu->entry_no-1; i++) {
 433         menu->entries[i+1]->order--;
 434         menu->entries[i]=menu->entries[i+1];
 435     }
 436     menu->entry_no--;
 437     menu->brother->entry_no--;
 438 }
 439
 440
 441 static Pixmap
 442 renderTexture(WMenu *menu)
 443 {
 444     RImage *img;
 445     Pixmap pix;
 446     int i;
 447     RColor light;
 448     RColor dark;
 449     RColor mid;
 450     WScreen *scr = menu->menu->screen_ptr;
 451     WTexture *texture = scr->menu_item_texture;
 452
 453     if (wPreferences.menu_style == MS_NORMAL) {
 454         img = wTextureRenderImage(texture, menu->menu->width,
 455                                   menu->entry_height, WREL_MENUENTRY);
 456     } else {
 457         img = wTextureRenderImage(texture, menu->menu->width,
 458                                   menu->menu->height+1, WREL_MENUENTRY);
 459     }
 460     if (!img) {
 461         wwarning(_("could not render texture: %s"),
 462                  RMessageForError(RErrorCode));
 463
 464         return None;
 465     }
 466
 467     if (wPreferences.menu_style == MS_SINGLE_TEXTURE) {
 468         light.alpha = 0;
 469         light.red = light.green = light.blue = 80;
 470
 471         dark.alpha = 255;
 472         dark.red = dark.green = dark.blue = 0;
 473
 474         mid.alpha = 0;
 475         mid.red = mid.green = mid.blue = 40;
 476
 477         for (i = 1; i < menu->entry_no; i++) {
 478             ROperateLine(img, RSubtractOperation, 0, i*menu->entry_height-2,
 479                          menu->menu->width-1, i*menu->entry_height-2, &mid);
 480
 481             RDrawLine(img, 0, i*menu->entry_height-1,
 482                       menu->menu->width-1, i*menu->entry_height-1, &dark);
 483
 484             ROperateLine(img, RAddOperation, 0, i*menu->entry_height,
 485                          menu->menu->width-1, i*menu->entry_height,
 486                          &light);
 487         }
 488     }
 489     if (!RConvertImage(scr->rcontext, img, &pix)) {
 490         wwarning(_("error rendering image:%s"), RMessageForError(RErrorCode));
 491     }
 492     RDestroyImage(img);
 493
 494     return pix;
 495 }
 496
 497
 498 static void
 499 updateTexture(WMenu *menu)
 500 {
 501     WScreen *scr = menu->menu->screen_ptr;
 502
 503     /* setup background texture */
 504     if (scr->menu_item_texture->any.type != WTEX_SOLID) {
 505         if (!menu->flags.brother) {
 506             FREE_PIXMAP(menu->menu_texture_data);
 507
 508             menu->menu_texture_data = renderTexture(menu);
 509
 510             XSetWindowBackgroundPixmap(dpy, menu->menu->window,
 511                                        menu->menu_texture_data);
 512             XClearWindow(dpy, menu->menu->window);
 513
 514             XSetWindowBackgroundPixmap(dpy, menu->brother->menu->window,
 515                                        menu->menu_texture_data);
 516             XClearWindow(dpy, menu->brother->menu->window);
 517         }
 518     } else {
 519         XSetWindowBackground(dpy, menu->menu->window,
 520                              scr->menu_item_texture->any.color.pixel);
 521         XClearWindow(dpy, menu->menu->window);
 522     }
 523 }
 524
 525
 526 void
 527 wMenuRealize(WMenu *menu)
 528 {
 529     int i;
 530     int width, rwidth, mrwidth, mwidth;
 531     int theight, twidth, eheight;
 532     WScreen *scr = menu->frame->screen_ptr;
 533     static int brother_done=0;
 534     int flags;
 535
 536     if (!brother_done) {
 537         brother_done = 1;
 538         wMenuRealize(menu->brother);
 539         brother_done = 0;
 540     }
 541
 542     flags = WFF_SINGLE_STATE;
 543     if (menu->flags.titled)
 544         flags |= WFF_TITLEBAR|WFF_RIGHT_BUTTON;
 545
 546     wFrameWindowUpdateBorders(menu->frame, flags);
 547
 548     if (menu->flags.titled) {
 549         twidth = wTextWidth(scr->menu_title_font->font, menu->frame->title,
 550                              strlen(menu->frame->title));
 551         theight = menu->frame->top_width;
 552         twidth += theight + (wPreferences.new_style ? 16 : 8);
 553     } else {
 554         twidth = 0;
 555         theight = 0;
 556     }
 557     eheight = scr->menu_entry_font->height + 6;
 558     menu->entry_height = eheight;
 559     mrwidth = 0;
 560     mwidth = 0;
 561     for (i=0; i<menu->entry_no; i++) {
 562         char *text;
 563
 564         /* search widest text */
 565         text = menu->entries[i]->text;
 566         width = wTextWidth(scr->menu_entry_font->font, text, strlen(text))+10;
 567
 568         if (menu->entries[i]->flags.indicator) {
 569             width += MENU_INDICATOR_SPACE;
 570         }
 571
 572         if (width > mwidth)
 573             mwidth = width;
 574
 575         /* search widest text on right */
 576         text = menu->entries[i]->rtext;
 577         if (text)
 578             rwidth = wTextWidth(scr->menu_entry_font->font, text,
 579                                  strlen(text)) + 5;
 580         else if (menu->entries[i]->cascade>=0)
 581             rwidth = 16;
 582         else
 583             rwidth = 4;
 584
 585         if (rwidth > mrwidth)
 586             mrwidth = rwidth;
 587     }
 588     mwidth += mrwidth;
 589
 590     if (mwidth < twidth)
 591         mwidth = twidth;
 592
 593
 594     wCoreConfigure(menu->menu, 0, theight, mwidth, menu->entry_no*eheight -1);
 595
 596     wFrameWindowResize(menu->frame, mwidth, menu->entry_no*eheight-1
 597                        + menu->frame->top_width + menu->frame->bottom_width);
 598
 599
 600     updateTexture(menu);
 601
 602     menu->flags.realized = 1;
 603
 604     if (menu->flags.mapped)
 605         wMenuPaint(menu);
 606     if (menu->brother->flags.mapped)
 607         wMenuPaint(menu->brother);
 608 }
 609
 610
 611 void
 612 wMenuDestroy(WMenu *menu, int recurse)
 613 {
 614     int i;
 615
 616     WMRemoveNotificationObserver(menu);
 617
 618     /* remove any pending timers */
 619     if (menu->timer)
 620         WMDeleteTimerHandler(menu->timer);
 621     menu->timer = NULL;
 622
 623     /* call destroy handler */
 624     if (menu->on_destroy)
 625         (*menu->on_destroy)(menu);
 626
 627     /* Destroy items if this menu own them. If this is the "brother" menu,
 628      * leave them alone as it is shared by them.
 629      */
 630     if (!menu->flags.brother) {
 631         for (i=0; i<menu->entry_no; i++) {
 632
 633             free(menu->entries[i]->text);
 634
 635             if (menu->entries[i]->rtext)
 636               free(menu->entries[i]->rtext);
 637 #ifdef USER_MENU
 638
 639             if (menu->entries[i]->instances){
 640                   PLRelease(menu->entries[i]->instances);
 641                 }
 642 #endif /* USER_MENU */
 643
 644             if (menu->entries[i]->free_cdata && menu->entries[i]->clientdata) {
 645                 (*menu->entries[i]->free_cdata)(menu->entries[i]->clientdata);
 646             }
 647             free(menu->entries[i]);
 648         }
 649
 650         if (recurse) {
 651             for (i=0; i<menu->cascade_no; i++) {
 652                 if (menu->cascades[i]) {
 653                     if (menu->cascades[i]->flags.brother)
 654                       wMenuDestroy(menu->cascades[i]->brother, recurse);
 655                     else
 656                       wMenuDestroy(menu->cascades[i], recurse);
 657                 }
 658             }
 659         }
 660
 661         if (menu->entries)
 662             free(menu->entries);
 663
 664     }
 665
 666     FREE_PIXMAP(menu->menu_texture_data);
 667
 668     if (menu->cascades)
 669       free(menu->cascades);
 670
 671     wCoreDestroy(menu->menu);
 672     wFrameWindowDestroy(menu->frame);
 673
 674     /* destroy copy of this menu */
 675     if (!menu->flags.brother && menu->brother)
 676         wMenuDestroy(menu->brother, False);
 677
 678     free(menu);
 679 }
 680
 681
 682 #define F_NORMAL        0
 683 #define F_TOP           1
 684 #define F_BOTTOM        2
 685 #define F_NONE          3
 686
 687 static void
 688 drawFrame(WScreen *scr, Window win, int y, int w, int h, int type)
 689 {
 690     XSegment segs[2];
 691     int i;
 692
 693     i = 0;
 694     segs[i].x1 = segs[i].x2 = w-1;
 695     segs[i].y1 = y;
 696     segs[i].y2 = y + h - 1;
 697     i++;
 698     if (type != F_TOP && type != F_NONE) {
 699         segs[i].x1 = 1;
 700         segs[i].y1 = segs[i].y2 = y + h-2;
 701         segs[i].x2 = w-1;
 702         i++;
 703     }
 704     XDrawSegments(dpy, win, scr->menu_item_auxtexture->dim_gc, segs, i);
 705
 706     i = 0;
 707     segs[i].x1 = 0;
 708     segs[i].y1 = y;
 709     segs[i].x2 = 0;
 710     segs[i].y2 = y + h - 1;
 711     i++;
 712     if (type != F_BOTTOM && type != F_NONE) {
 713         segs[i].x1 = 0;
 714         segs[i].y1 = y;
 715         segs[i].x2 = w-1;
 716         segs[i].y2 = y;
 717         i++;
 718     }
 719     XDrawSegments(dpy, win, scr->menu_item_auxtexture->light_gc, segs, i);
 720
 721     if (type != F_TOP && type != F_NONE)
 722         XDrawLine(dpy, win, scr->menu_item_auxtexture->dark_gc, 0, y+h-1,
 723                   w-1, y+h-1);
 724 }
 725
 726
 727 static void
 728 paintEntry(WMenu *menu, int index, int selected)
 729 {
 730     int x, y, w, h, tw;
 731     int type;
 732     GC light, dim, dark, textGC;
 733     WScreen *scr=menu->frame->screen_ptr;
 734     Window win = menu->menu->window;
 735     WMenuEntry *entry=menu->entries[index];
 736
 737     if (!menu->flags.realized) return;
 738     h = menu->entry_height;
 739     w = menu->menu->width;
 740     y = index * h;
 741
 742     light = scr->menu_item_auxtexture->light_gc;
 743     dim = scr->menu_item_auxtexture->dim_gc;
 744     dark = scr->menu_item_auxtexture->dark_gc;
 745
 746     if (wPreferences.menu_style == MS_FLAT && menu->entry_no > 1) {
 747         if (index == 0)
 748             type = F_TOP;
 749         else if (index == menu->entry_no - 1)
 750             type = F_BOTTOM;
 751         else
 752             type = F_NONE;
 753     } else {
 754         type = F_NORMAL;
 755     }
 756
 757     /* paint background */
 758     if (selected) {
 759         XSetForeground(dpy, scr->select_menu_gc, scr->select_pixel);
 760         XFillRectangle(dpy, win, scr->select_menu_gc, 1, y+1, w-2, h-3);
 761         if (scr->menu_item_texture->any.type == WTEX_SOLID)
 762             drawFrame(scr, win, y, w, h, type);
 763     } else {
 764         if (scr->menu_item_texture->any.type == WTEX_SOLID) {
 765             XClearArea(dpy, win, 0, y + 1, w - 1, h - 3, False);
 766             /* draw the frame */
 767             drawFrame(scr, win, y, w, h, type);
 768         } else {
 769             XClearArea(dpy, win, 0, y, w, h, False);
 770         }
 771     }
 772
 773     if (selected) {
 774         textGC = scr->select_menu_gc;
 775         if (entry->flags.enabled)
 776             XSetForeground(dpy, textGC, scr->select_text_pixel);
 777         else
 778             XSetForeground(dpy, textGC, scr->dtext_pixel);
 779     } else if (!entry->flags.enabled) {
 780         textGC = scr->disabled_menu_entry_gc;
 781     } else {
 782         textGC = scr->menu_entry_gc;
 783     }
 784     /* draw text */
 785     x = 5;
 786     if (entry->flags.indicator)
 787         x += MENU_INDICATOR_SPACE + 2;
 788
 789     wDrawString(win, scr->menu_entry_font,
 790                   textGC, x, 3+y+scr->menu_entry_font->y, entry->text,
 791                   strlen(entry->text));
 792
 793     if (entry->cascade>=0) {
 794         /* draw the cascade indicator */
 795         XDrawLine(dpy,win,dim, w-11, y+6, w-6, y+h/2-1);
 796         XDrawLine(dpy,win,light, w-11, y+h-8, w-6, y+h/2-1);
 797         XDrawLine(dpy,win,dark, w-12, y+6, w-12, y+h-8);
 798     }
 799
 800     /* draw indicator */
 801     if (entry->flags.indicator && entry->flags.indicator_on) {
 802         int iw, ih;
 803         WPixmap *indicator;
 804
 805
 806         switch (entry->flags.indicator_type) {
 807          case MI_CHECK:
 808             indicator = scr->menu_check_indicator;
 809             break;
 810          case MI_MINIWINDOW:
 811             indicator = scr->menu_mini_indicator;
 812             break;
 813          case MI_HIDDEN:
 814             indicator = scr->menu_hide_indicator;
 815             break;
 816          case MI_SHADED:
 817             indicator = scr->menu_shade_indicator;
 818             break;
 819          case MI_DIAMOND:
 820          default:
 821             indicator = scr->menu_radio_indicator;
 822             break;
 823         }
 824
 825         iw = indicator->width;
 826         ih = indicator->height;
 827         XSetClipMask(dpy, scr->copy_gc, indicator->mask);
 828         XSetClipOrigin(dpy, scr->copy_gc, 5, y+(h-ih)/2);
 829         if (selected)
 830             XSetForeground(dpy, scr->copy_gc, scr->black_pixel);
 831         else
 832             XSetForeground(dpy, scr->copy_gc, scr->mtext_pixel);
 833         XFillRectangle(dpy, win, scr->copy_gc, 5, y+(h-ih)/2, iw, ih);
 834         /*
 835         XCopyArea(dpy, indicator->image, win, scr->copy_gc, 0, 0,
 836                   iw, ih, 5, y+(h-ih)/2);
 837          */
 838         XSetClipOrigin(dpy, scr->copy_gc, 0, 0);
 839     }
 840
 841     /* draw right text */
 842
 843     if (entry->rtext && entry->cascade<0) {
 844         tw = wTextWidth(scr->menu_entry_font->font, entry->rtext,
 845                          strlen(entry->rtext));
 846
 847         wDrawString(win, scr->menu_entry_font, textGC, w-6-tw,
 848                     3+y+scr->menu_entry_font->y, entry->rtext,
 849                     strlen(entry->rtext));
 850     }
 851 }
 852
 853
 854 static void
 855 move_menus(WMenu *menu, int x, int y)
 856 {
 857     while (menu->parent) {
 858         menu = menu->parent;
 859         x -= MENUW(menu);
 860         if (!wPreferences.align_menus && menu->selected_entry>=0) {
 861             y -= menu->selected_entry*menu->entry_height;
 862         }
 863     }
 864     wMenuMove(menu, x, y, True);
 865 }
 866
 867 static void
 868 makeVisible(WMenu *menu)
 869 {
 870     WScreen *scr = menu->frame->screen_ptr;
 871     int x1, y1, x2, y2, new_x, new_y, move;
 872
 873     if (menu->entry_no<0) return;
 874
 875     x1 = menu->frame_x;
 876     y1 = menu->frame_y+menu->frame->top_width
 877         + menu->selected_entry*menu->entry_height;
 878     x2 = x1 + MENUW(menu);
 879     y2 = y1 + menu->entry_height;
 880
 881     new_x = x1;
 882     new_y = y1;
 883     move = 0;
 884
 885     if (x1 < 0) {
 886         new_x = 0;
 887         move = 1;
 888     } else if (x2 >= scr->scr_width) {
 889         new_x = scr->scr_width - MENUW(menu) - 1;
 890         move = 1;
 891     }
 892
 893     if (y1 < 0) {
 894         new_y = 0;
 895         move = 1;
 896     } else if (y2 >= scr->scr_height) {
 897         new_y = scr->scr_height - menu->entry_height - 1;
 898         move = 1;
 899     }
 900
 901     new_y = new_y - menu->frame->top_width
 902         - menu->selected_entry*menu->entry_height;
 903     move_menus(menu, new_x, new_y);
 904 }
 905
 906
 907 static int
 908 check_key(WMenu *menu, XKeyEvent *event)
 909 {
 910     int i, ch, s;
 911     char buffer[32];
 912
 913     if (XLookupString(event, buffer, 32, NULL, NULL)<1)
 914         return -1;
 915
 916     ch = toupper(buffer[0]);
 917
 918     s = (menu->selected_entry>=0 ? menu->selected_entry+1 : 0);
 919
 920 again:
 921     for (i=s; i<menu->entry_no; i++) {
 922         if (ch==toupper(menu->entries[i]->text[0])) {
 923             return i;
 924         }
 925     }
 926     /* no match. Retry from start, if previous started from a selected entry */
 927     if (s!=0) {
 928         s = 0;
 929         goto again;
 930     }
 931     return -1;
 932 }
 933
 934
 935 static int
 936 keyboardMenu(WMenu *menu)
 937 {
 938     XEvent event;
 939     KeySym ksym=NoSymbol;
 940     int done=0;
 941     int index;
 942     WMenuEntry *entry;
 943     int old_pos_x = menu->frame_x;
 944     int old_pos_y = menu->frame_y;
 945     int new_x = old_pos_x, new_y = old_pos_y;
 946     int scr_width = menu->frame->screen_ptr->scr_width;
 947     int scr_height = menu->frame->screen_ptr->scr_height;
 948
 949     if (menu->flags.editing)
 950         return False;
 951
 952
 953     XGrabKeyboard(dpy, menu->frame->core->window, True, GrabModeAsync,
 954                   GrabModeAsync, CurrentTime);
 955
 956     if (menu->frame_y+menu->frame->top_width >= scr_height)
 957         new_y = scr_height - menu->frame->top_width;
 958
 959     if (menu->frame_x+MENUW(menu) >= scr_width)
 960         new_x = scr_width-MENUW(menu)-1;
 961
 962     move_menus(menu, new_x, new_y);
 963
 964     while (!done && menu->flags.mapped) {
 965         XAllowEvents(dpy, AsyncKeyboard, CurrentTime);
 966         WMMaskEvent(dpy, ExposureMask|ButtonMotionMask|ButtonPressMask
 967                     |ButtonReleaseMask|KeyPressMask|KeyReleaseMask
 968                     |SubstructureNotifyMask, &event);
 969
 970         switch (event.type) {
 971          case KeyPress:
 972             ksym = XLookupKeysym(&event.xkey, 0);
 973             switch (ksym) {
 974              case XK_Escape:
 975                 done = 1;
 976                 break;
 977
 978              case XK_Home:
 979              case XK_KP_Home:
 980                 selectEntry(menu, 0);
 981                 makeVisible(menu);
 982                 break;
 983
 984              case XK_End:
 985              case XK_KP_End:
 986                 selectEntry(menu, menu->entry_no-1);
 987                 makeVisible(menu);
 988                 break;
 989
 990              case XK_Up:
 991 #ifdef ARROWLESS_KBD
 992              case XK_k:
 993 #endif
 994              case XK_KP_Up:
 995                 if (menu->selected_entry <= 0)
 996                     selectEntry(menu, menu->entry_no-1);
 997                 else
 998                     selectEntry(menu, menu->selected_entry-1);
 999                 makeVisible(menu);
1000                 break;
1001
1002              case XK_Down:
1003 #ifdef ARROWLESS_KBD
1004              case XK_j:
1005 #endif
1006              case XK_KP_Down:
1007                 if (menu->selected_entry<0)
1008                     selectEntry(menu, 0);
1009                 else if (menu->selected_entry == menu->entry_no-1)
1010                     selectEntry(menu, 0);
1011                 else if (menu->selected_entry < menu->entry_no-1)
1012                     selectEntry(menu, menu->selected_entry+1);
1013                 makeVisible(menu);
1014                 break;
1015
1016              case XK_Right:
1017 #ifdef ARROWLESS_KBD
1018              case XK_l:
1019 #endif
1020              case XK_KP_Right:
1021                 if (menu->selected_entry>=0) {
1022                     WMenuEntry *entry;
1023                     entry = menu->entries[menu->selected_entry];
1024
1025                     if (entry->cascade >= 0 && menu->cascades
1026                         && menu->cascades[entry->cascade]->entry_no > 0) {
1027
1028                         XUngrabKeyboard(dpy, CurrentTime);
1029
1030                         selectEntry(menu->cascades[entry->cascade], 0);
1031                         if (!keyboardMenu(menu->cascades[entry->cascade]))
1032                             done = 1;
1033
1034                         XGrabKeyboard(dpy, menu->frame->core->window, True,
1035                                       GrabModeAsync, GrabModeAsync,
1036                                       CurrentTime);
1037                     }
1038                 }
1039                 break;
1040
1041              case XK_Left:
1042 #ifdef ARROWLESS_KBD
1043              case XK_h:
1044 #endif
1045              case XK_KP_Left:
1046                 if (menu->parent!=NULL && menu->parent->selected_entry>=0) {
1047                     selectEntry(menu, -1);
1048                     move_menus(menu, old_pos_x, old_pos_y);
1049                     return True;
1050                 }
1051                 break;
1052
1053              case XK_Return:
1054                 done = 2;
1055                 break;
1056
1057              default:
1058                 index = check_key(menu, &event.xkey);
1059                 if (index>=0) {
1060                     selectEntry(menu, index);
1061                 }
1062             }
1063             break;
1064
1065          default:
1066             if (event.type==ButtonPress)
1067                 done = 1;
1068
1069             WMHandleEvent(&event);
1070         }
1071     }
1072
1073     XUngrabKeyboard(dpy, CurrentTime);
1074
1075     if (done==2 && menu->selected_entry>=0) {
1076         entry = menu->entries[menu->selected_entry];
1077     } else {
1078         entry = NULL;
1079     }
1080
1081     if (entry && entry->callback!=NULL && entry->flags.enabled
1082         && entry->cascade < 0) {
1083 #if (MENU_BLINK_COUNT > 0)
1084         int sel = menu->selected_entry;
1085         int i;
1086
1087         for (i=0; i<MENU_BLINK_COUNT; i++) {
1088             paintEntry(menu, sel, False);
1089             XSync(dpy, 0);
1090             wusleep(MENU_BLINK_DELAY);
1091             paintEntry(menu, sel, True);
1092             XSync(dpy, 0);
1093             wusleep(MENU_BLINK_DELAY);
1094         }
1095 #endif
1096         selectEntry(menu, -1);
1097
1098         if (!menu->flags.buttoned) {
1099             wMenuUnmap(menu);
1100             move_menus(menu, old_pos_x, old_pos_y);
1101         }
1102         closeCascade(menu);
1103
1104         (*entry->callback)(menu, entry);
1105     } else {
1106         if (!menu->flags.buttoned) {
1107             wMenuUnmap(menu);
1108             move_menus(menu, old_pos_x, old_pos_y);
1109         }
1110         selectEntry(menu, -1);
1111     }
1112
1113
1114     /* returns True if returning from a submenu to a parent menu,
1115      * False if exiting from menu */
1116     return False;
1117 }
1118
1119
1120 void
1121 wMenuMapAt(WMenu *menu, int x, int y, int keyboard)
1122 {
1123     int scr_width = menu->frame->screen_ptr->scr_width;
1124     int scr_height = menu->frame->screen_ptr->scr_height;
1125
1126     if (!menu->flags.realized) {
1127         menu->flags.realized=1;
1128         wMenuRealize(menu);
1129     }
1130     if (!menu->flags.mapped) {
1131         if (wPreferences.wrap_menus) {
1132             if (x<0) x = 0;
1133             if (y<0) y = 0;
1134             if (x+MENUW(menu) > scr_width)
1135                 x = scr_width - MENUW(menu);
1136             if (y+MENUH(menu) > scr_height)
1137                 y = scr_height - MENUH(menu);
1138         }
1139
1140         XMoveWindow(dpy, menu->frame->core->window, x, y);
1141         menu->frame_x = x;
1142         menu->frame_y = y;
1143         XMapWindow(dpy, menu->frame->core->window);
1144         wRaiseFrame(menu->frame->core);
1145         menu->flags.mapped = 1;
1146     } else {
1147         selectEntry(menu, 0);
1148     }
1149
1150     if (keyboard)
1151         keyboardMenu(menu);
1152 }
1153
1154
1155 void
1156 wMenuMap(WMenu *menu)
1157 {
1158     if (!menu->flags.realized) {
1159         menu->flags.realized=1;
1160         wMenuRealize(menu);
1161     }
1162     if (menu->flags.app_menu && menu->parent==NULL) {
1163         menu->frame_x = menu->frame->screen_ptr->app_menu_x;
1164         menu->frame_y = menu->frame->screen_ptr->app_menu_y;
1165         XMoveWindow(dpy, menu->frame->core->window, menu->frame_x, menu->frame_y);
1166     }
1167     XMapWindow(dpy, menu->frame->core->window);
1168     wRaiseFrame(menu->frame->core);
1169     menu->flags.mapped = 1;
1170 }
1171
1172
1173 void
1174 wMenuUnmap(WMenu *menu)
1175 {
1176     int i;
1177
1178     XUnmapWindow(dpy, menu->frame->core->window);
1179     if (menu->flags.titled && menu->flags.buttoned) {
1180         wFrameWindowHideButton(menu->frame, WFF_RIGHT_BUTTON);
1181     }
1182     menu->flags.buttoned = 0;
1183     menu->flags.mapped = 0;
1184     menu->flags.open_to_left = 0;
1185
1186     for (i=0; i<menu->cascade_no; i++) {
1187         if (menu->cascades[i]!=NULL
1188             && menu->cascades[i]->flags.mapped
1189             && !menu->cascades[i]->flags.buttoned) {
1190
1191             wMenuUnmap(menu->cascades[i]);
1192         }
1193     }
1194     menu->selected_entry = -1;
1195 }
1196
1197
1198
1199 void
1200 wMenuPaint(WMenu *menu)
1201 {
1202     int i;
1203
1204     if (!menu->flags.mapped) {
1205         return;
1206     }
1207
1208     /* paint entries */
1209     for (i=0; i<menu->entry_no; i++) {
1210         paintEntry(menu, i, i==menu->selected_entry);
1211     }
1212 }
1213
1214
1215 void
1216 wMenuSetEnabled(WMenu *menu, int index, int enable)
1217 {
1218     if (index>=menu->entry_no) return;
1219     menu->entries[index]->flags.enabled=enable;
1220     paintEntry(menu, index, index==menu->selected_entry);
1221     paintEntry(menu->brother, index, index==menu->selected_entry);
1222 }
1223
1224
1225 /* ====================================================================== */
1226
1227
1228 static void
1229 editEntry(WMenu *menu, WMenuEntry *entry)
1230 {
1231     WTextInput *text;
1232     XEvent event;
1233     WObjDescriptor *desc;
1234     char *t;
1235     int done = 0;
1236     Window old_focus;
1237     int old_revert;
1238
1239     menu->flags.editing = 1;
1240
1241     text = wTextCreate(menu->menu, 1, menu->entry_height * entry->order,
1242                        menu->menu->width - 2, menu->entry_height - 1);
1243
1244     wTextPutText(text, entry->text);
1245     XGetInputFocus(dpy, &old_focus, &old_revert);
1246     XSetInputFocus(dpy, text->core->window, RevertToNone, CurrentTime);
1247
1248     if (XGrabKeyboard(dpy, text->core->window, True, GrabModeAsync,
1249                       GrabModeAsync, CurrentTime)!=GrabSuccess) {
1250         wwarning("could not grab keyboard");
1251         wTextDestroy(text);
1252
1253         wSetFocusTo(menu->frame->screen_ptr,
1254                     menu->frame->screen_ptr->focused_window);
1255         return;
1256     }
1257
1258
1259     while (!done && !text->done) {
1260         XSync(dpy, 0);
1261         XAllowEvents(dpy, AsyncKeyboard|AsyncPointer, CurrentTime);
1262         XSync(dpy, 0);
1263         WMNextEvent(dpy, &event);
1264
1265         if (XFindContext(dpy, event.xany.window, wWinContext,
1266                          (XPointer *)&desc)==XCNOENT)
1267             desc = NULL;
1268
1269         if ((desc != NULL) && (desc->handle_anything != NULL)) {
1270
1271             (*desc->handle_anything)(desc, &event);
1272
1273         } else {
1274             switch (event.type) {
1275              case ButtonPress:
1276                 XAllowEvents(dpy, ReplayPointer, CurrentTime);
1277                 done = 1;
1278
1279              default:
1280                 WMHandleEvent(&event);
1281                 break;
1282             }
1283         }
1284     }
1285
1286     XSetInputFocus(dpy, old_focus, old_revert, CurrentTime);
1287
1288     wSetFocusTo(menu->frame->screen_ptr,
1289                 menu->frame->screen_ptr->focused_window);
1290
1291
1292     t = wTextGetText(text);
1293     /* if !t, the user has canceled editing */
1294     if (t) {
1295         if (entry->text)
1296             free(entry->text);
1297         entry->text = wstrdup(t);
1298
1299         menu->flags.realized = 0;
1300     }
1301     wTextDestroy(text);
1302
1303     XUngrabKeyboard(dpy, CurrentTime);
1304
1305     if (t && menu->on_edit)
1306         (*menu->on_edit)(menu, entry);
1307
1308     menu->flags.editing = 0;
1309
1310     if (!menu->flags.realized)
1311         wMenuRealize(menu);
1312 }
1313
1314
1315 static void
1316 selectEntry(WMenu *menu, int entry_no)
1317 {
1318     WMenuEntry *entry;
1319     WMenu *submenu;
1320     int old_entry;
1321
1322     if (menu->entries==NULL)
1323         return;
1324
1325     if (entry_no >= menu->entry_no)
1326         return;
1327
1328     old_entry = menu->selected_entry;
1329     menu->selected_entry = entry_no;
1330
1331     if (old_entry!=entry_no) {
1332
1333         /* unselect previous entry */
1334         if (old_entry>=0) {
1335             paintEntry(menu, old_entry, False);
1336             entry = menu->entries[old_entry];
1337
1338             /* unmap cascade */
1339             if (entry->cascade>=0 && menu->cascades) {
1340                 if (!menu->cascades[entry->cascade]->flags.buttoned) {
1341                     wMenuUnmap(menu->cascades[entry->cascade]);
1342                 }
1343             }
1344         }
1345
1346         if (entry_no<0) {
1347             menu->selected_entry = -1;
1348             return;
1349         }
1350         entry = menu->entries[entry_no];
1351
1352         if (entry->cascade>=0 && menu->cascades && entry->flags.enabled) {
1353             /* Callback for when the submenu is opened.
1354              */
1355             submenu = menu->cascades[entry->cascade];
1356             if (submenu && submenu->flags.brother)
1357                 submenu = submenu->brother;
1358
1359             if (entry->callback) {
1360                 /* Only call the callback if the submenu is not yet mapped.
1361                  */
1362                 if (menu->flags.brother) {
1363                     if (!submenu || !submenu->flags.mapped)
1364                         (*entry->callback)(menu->brother, entry);
1365                 } else {
1366                     if (!submenu || !submenu->flags.buttoned)
1367                         (*entry->callback)(menu, entry);
1368                 }
1369             }
1370
1371             /* the submenu menu might have changed */
1372             submenu = menu->cascades[entry->cascade];
1373
1374             /* map cascade */
1375             if (!submenu->flags.mapped) {
1376                 int x, y;
1377
1378                 if (!submenu->flags.realized)
1379                     wMenuRealize(submenu);
1380                 if (wPreferences.wrap_menus) {
1381                     if (menu->flags.open_to_left)
1382                         submenu->flags.open_to_left = 1;
1383
1384                     if (submenu->flags.open_to_left) {
1385                         x = menu->frame_x - MENUW(submenu);
1386                         if (x<0) {
1387                             x = 0;
1388                             submenu->flags.open_to_left = 0;
1389                         }
1390                     } else {
1391                         x = menu->frame_x + MENUW(menu);
1392
1393                         if (x + MENUW(submenu)
1394                             >= menu->frame->screen_ptr->scr_width) {
1395
1396                             x = menu->frame_x - MENUW(submenu);
1397                             submenu->flags.open_to_left = 1;
1398                         }
1399                     }
1400                 } else {
1401                     x = menu->frame_x + MENUW(menu);
1402                 }
1403
1404                 if (wPreferences.align_menus) {
1405                     y = menu->frame_y;
1406                 } else {
1407                     y = menu->frame_y + menu->entry_height*entry_no;
1408                     if (menu->flags.titled)
1409                         y += menu->frame->top_width;
1410                     if (menu->cascades[entry->cascade]->flags.titled)
1411                         y -= menu->cascades[entry->cascade]->frame->top_width;
1412                 }
1413
1414                 wMenuMapAt(menu->cascades[entry->cascade], x, y, False);
1415                 menu->cascades[entry->cascade]->parent = menu;
1416             } else {
1417                 return;
1418             }
1419         }
1420         paintEntry(menu, entry_no, True);
1421     }
1422 }
1423
1424
1425 static WMenu*
1426 findMenu(WScreen *scr, int *x_ret, int *y_ret)
1427 {
1428     WMenu *menu;
1429     WObjDescriptor *desc;
1430     Window root_ret, win, junk_win;
1431     int x, y, wx, wy;
1432     unsigned int mask;
1433
1434     XQueryPointer(dpy, scr->root_win, &root_ret, &win, &x, &y, &wx, &wy,
1435                   &mask);
1436
1437     if (win==None) return NULL;
1438
1439     if (XFindContext(dpy, win, wWinContext, (XPointer *)&desc)==XCNOENT)
1440       return NULL;
1441
1442     if (desc->parent_type == WCLASS_MENU) {
1443         menu = (WMenu*)desc->parent;
1444         XTranslateCoordinates(dpy, root_ret, menu->menu->window, wx, wy,
1445                               x_ret, y_ret, &junk_win);
1446         return menu;
1447     }
1448     return NULL;
1449 }
1450
1451
1452
1453
1454 static void
1455 closeCascade(WMenu *menu)
1456 {
1457     WMenu *parent=menu->parent;
1458
1459     if (menu->flags.brother
1460         || (!menu->flags.buttoned
1461             && (!menu->flags.app_menu||menu->parent!=NULL))) {
1462
1463         selectEntry(menu, -1);
1464         XSync(dpy, 0);
1465 #if (MENU_BLINK_DELAY > 2)
1466         wusleep(MENU_BLINK_DELAY/2);
1467 #endif
1468         wMenuUnmap(menu);
1469         while (parent!=NULL
1470                && (parent->parent!=NULL || !parent->flags.app_menu
1471                    || parent->flags.brother)
1472                && !parent->flags.buttoned) {
1473             selectEntry(parent, -1);
1474             wMenuUnmap(parent);
1475             parent = parent->parent;
1476         }
1477         if (parent)
1478           selectEntry(parent, -1);
1479     }
1480 }
1481
1482
1483 static void
1484 closeBrotherCascadesOf(WMenu *menu)
1485 {
1486     WMenu *tmp;
1487     int i;
1488
1489     for (i=0; i<menu->cascade_no; i++) {
1490         if (menu->cascades[i]->flags.brother) {
1491             tmp = menu->cascades[i];
1492         } else {
1493             tmp = menu->cascades[i]->brother;
1494         }
1495         if (tmp->flags.mapped) {
1496             selectEntry(tmp->parent, -1);
1497             closeBrotherCascadesOf(tmp);
1498             break;
1499         }
1500     }
1501 }
1502
1503
1504 #define getEntryAt(menu, x, y)   ((y)<0 ? -1 : (y)/(menu->entry_height))
1505
1506
1507 static WMenu*
1508 parentMenu(WMenu *menu)
1509 {
1510     WMenu *parent;
1511     WMenuEntry *entry;
1512
1513     if (menu->flags.buttoned)
1514         return menu;
1515
1516     while (menu->parent && menu->parent->flags.mapped) {
1517         parent = menu->parent;
1518         if (parent->selected_entry < 0)
1519             break;
1520         entry = parent->entries[parent->selected_entry];
1521         if (!entry->flags.enabled || entry->cascade<0 || !parent->cascades ||
1522             parent->cascades[entry->cascade] != menu)
1523             break;
1524         menu = parent;
1525         if (menu->flags.buttoned)
1526             break;
1527     }
1528
1529     return menu;
1530 }
1531
1532
1533
1534 /*
1535  * Will raise the passed menu, if submenu = 0
1536  * If submenu > 0 will also raise all mapped submenus
1537  * until the first buttoned one
1538  * If submenu < 0 will also raise all mapped parent menus
1539  * until the first buttoned one
1540  */
1541
1542 static void
1543 raiseMenus(WMenu *menu, int submenus)
1544 {
1545     WMenu *submenu;
1546     int i;
1547
1548     if(!menu) return;
1549
1550     wRaiseFrame(menu->frame->core);
1551
1552     if (submenus>0 && menu->selected_entry>=0) {
1553         i = menu->entries[menu->selected_entry]->cascade;
1554         if (i>=0 && menu->cascades) {
1555             submenu = menu->cascades[i];
1556             if (submenu->flags.mapped && !submenu->flags.buttoned)
1557                 raiseMenus(submenu, submenus);
1558         }
1559     }
1560     if (submenus<0 && !menu->flags.buttoned &&
1561         menu->parent && menu->parent->flags.mapped)
1562         raiseMenus(menu->parent, submenus);
1563 }
1564
1565
1566 WMenu*
1567 wMenuUnderPointer(WScreen *screen)
1568 {
1569     WObjDescriptor *desc;
1570     Window root_ret, win;
1571     int dummy;
1572     unsigned int mask;
1573
1574     XQueryPointer(dpy, screen->root_win, &root_ret, &win, &dummy, &dummy,
1575                   &dummy, &dummy, &mask);
1576
1577     if (win==None) return NULL;
1578
1579     if (XFindContext(dpy, win, wWinContext, (XPointer *)&desc)==XCNOENT)
1580         return NULL;
1581
1582     if (desc->parent_type == WCLASS_MENU)
1583         return (WMenu *)desc->parent;
1584     return NULL;
1585 }
1586
1587
1588
1589 #define MIN(a,b)  (((a) > (b)) ? (b) : (a))
1590
1591
1592 static void
1593 getPointerPosition(WScreen *scr, int *x, int *y)
1594 {
1595     Window root_ret, win;
1596     int wx, wy;
1597     unsigned int mask;
1598
1599     XQueryPointer(dpy, scr->root_win, &root_ret, &win, x, y, &wx, &wy, &mask);
1600 }
1601
1602
1603 static void
1604 getScrollAmount(WMenu *menu, int *hamount, int *vamount)
1605 {
1606     WScreen *scr = menu->menu->screen_ptr;
1607     int menuX1 = menu->frame_x;
1608     int menuY1 = menu->frame_y;
1609     int menuX2 = menu->frame_x + MENUW(menu);
1610     int menuY2 = menu->frame_y + MENUH(menu);
1611     int screenW = scr->scr_width;
1612     int screenH = scr->scr_height;
1613     int xroot, yroot;
1614
1615     *hamount = 0;
1616     *vamount = 0;
1617
1618     getPointerPosition(scr, &xroot, &yroot);
1619
1620
1621     if (xroot <= 1 && menuX1 < 0) {
1622         /* scroll to the right */
1623         *hamount = MIN(MENU_SCROLL_STEP, abs(menuX1));
1624
1625     } else if (xroot >= screenW-2 && menuX2 > screenW-1) {
1626         /* scroll to the left */
1627         *hamount = MIN(MENU_SCROLL_STEP, abs(menuX2-screenW-1));
1628
1629         if (*hamount==0)
1630             *hamount = 1;
1631
1632         *hamount = -*hamount;
1633     }
1634
1635     if (yroot <= 1 && menuY1 < 0) {
1636         /* scroll down */
1637         *vamount = MIN(MENU_SCROLL_STEP, abs(menuY1));
1638
1639     } else if (yroot >= screenH-2 && menuY2 > screenH-1) {
1640         /* scroll up */
1641         *vamount = MIN(MENU_SCROLL_STEP, abs(menuY2-screenH-2));
1642
1643         *vamount = -*vamount;
1644     }
1645 }
1646
1647
1648 static void
1649 dragScrollMenuCallback(void *data)
1650 {
1651     WMenu *menu = (WMenu*)data;
1652     WScreen *scr = menu->menu->screen_ptr;
1653     WMenu *parent = parentMenu(menu);
1654     int hamount, vamount;
1655     int x, y;
1656     int newSelectedEntry;
1657
1658     getScrollAmount(menu, &hamount, &vamount);
1659
1660
1661     if (hamount != 0 || vamount != 0) {
1662         wMenuMove(parent, parent->frame_x + hamount,
1663                   parent->frame_y + vamount, True);
1664         if (findMenu(scr, &x, &y)) {
1665             newSelectedEntry = getEntryAt(menu, x, y);
1666             selectEntry(menu, newSelectedEntry);
1667         } else {
1668             /* Pointer fell outside of menu. If the selected entry is
1669              * not a submenu, unselect it */
1670             if (menu->selected_entry >= 0
1671                 && menu->entries[menu->selected_entry]->cascade<0)
1672                 selectEntry(menu, -1);
1673             newSelectedEntry = 0;
1674         }
1675
1676         /* paranoid check */
1677         if (newSelectedEntry >= 0) {
1678             /* keep scrolling */
1679             menu->timer = WMAddTimerHandler(MENU_SCROLL_DELAY,
1680                                             dragScrollMenuCallback, menu);
1681         } else {
1682             menu->timer = NULL;
1683         }
1684     } else {
1685         /* don't need to scroll anymore */
1686         menu->timer = NULL;
1687         if (findMenu(scr, &x, &y)) {
1688             newSelectedEntry = getEntryAt(menu, x, y);
1689             selectEntry(menu, newSelectedEntry);
1690         }
1691     }
1692 }
1693
1694
1695 static void
1696 scrollMenuCallback(void *data)
1697 {
1698     WMenu *menu = (WMenu*)data;
1699     WMenu *parent = parentMenu(menu);
1700     int hamount = 0;                   /* amount to scroll */
1701     int vamount = 0;
1702
1703     getScrollAmount(menu, &hamount, &vamount);
1704
1705     if (hamount != 0 || vamount != 0) {
1706         wMenuMove(parent, parent->frame_x + hamount,
1707                   parent->frame_y + vamount, True);
1708
1709         /* keep scrolling */
1710         menu->timer = WMAddTimerHandler(MENU_SCROLL_DELAY,
1711                                         scrollMenuCallback, menu);
1712     } else {
1713         /* don't need to scroll anymore */
1714         menu->timer = NULL;
1715     }
1716 }
1717
1718
1719
1720 #define MENU_SCROLL_BORDER   5
1721
1722 static int
1723 isPointNearBoder(WMenu *menu, int x, int y)
1724 {
1725     int menuX1 = menu->frame_x;
1726     int menuY1 = menu->frame_y;
1727     int menuX2 = menu->frame_x + MENUW(menu);
1728     int menuY2 = menu->frame_y + MENUH(menu);
1729     int scrXe = menu->menu->screen_ptr->scr_width-1;
1730     int scrYe = menu->menu->screen_ptr->scr_height-1;
1731     int flag = 0;
1732
1733     if (x >= menuX1 && x <= menuX2 && (y < MENU_SCROLL_BORDER
1734                                        || y > scrYe-MENU_SCROLL_BORDER))
1735         flag = 1;
1736     else if (y >= menuY1 && y <= menuY2 && (x < MENU_SCROLL_BORDER
1737                                             || x > scrXe-MENU_SCROLL_BORDER))
1738         flag = 1;
1739
1740     return flag;
1741 }
1742
1743
1744 typedef struct _delay {
1745     WWindow *wwin;
1746     WMenu *menu;
1747     int ox,oy;
1748 } _delay;
1749
1750
1751 static void
1752 _leaving(_delay *dl)
1753 {
1754     wMenuMove(dl->menu, dl->ox, dl->oy, True);
1755     dl->menu->jump_back=NULL;
1756     dl->menu->menu->screen_ptr->flags.jump_back_pending = 0;
1757     free(dl);
1758 }
1759
1760
1761 void
1762 wMenuScroll(WMenu *menu, XEvent *event)
1763 {
1764     WMenu *smenu;
1765     WMenu *omenu = parentMenu(menu);
1766     WScreen *scr = menu->frame->screen_ptr;
1767     int done = 0;
1768     int jump_back = 0;
1769     int old_frame_x = omenu->frame_x;
1770     int old_frame_y = omenu->frame_y;
1771     XEvent ev;
1772
1773 #ifdef DEBUG
1774     puts("Entering menu Scroll");
1775 #endif
1776
1777     if (omenu->jump_back)
1778         WMDeleteTimerWithClientData(omenu->jump_back);
1779
1780
1781     if ((/*omenu->flags.buttoned &&*/ !wPreferences.wrap_menus)
1782         || omenu->flags.app_menu) {
1783         jump_back = 1;
1784     }
1785
1786     if (!wPreferences.wrap_menus)
1787         raiseMenus(omenu, True);
1788     else
1789         raiseMenus(menu, False);
1790
1791     if (!menu->timer)
1792         scrollMenuCallback(menu);
1793
1794     while(!done) {
1795         int x, y, on_border, on_x_edge, on_y_edge, on_title;
1796
1797         WMNextEvent(dpy, &ev);
1798         switch (ev.type) {
1799          case EnterNotify:
1800             WMHandleEvent(&ev);
1801          case MotionNotify:
1802             x = (ev.type==MotionNotify) ? ev.xmotion.x_root : ev.xcrossing.x_root;
1803             y = (ev.type==MotionNotify) ? ev.xmotion.y_root : ev.xcrossing.y_root;
1804
1805             /* on_border is != 0 if the pointer is between the menu
1806              * and the screen border and is close enough to the border */
1807             on_border = isPointNearBoder(menu, x, y);
1808
1809             smenu = wMenuUnderPointer(scr);
1810
1811             if ((smenu==NULL && !on_border) || (smenu && parentMenu(smenu)!=omenu)) {
1812                 done = 1;
1813                 break;
1814             }
1815
1816             on_x_edge = x <= 1 || x >= scr->scr_width - 2;
1817             on_y_edge = y <= 1 || y >= scr->scr_height - 2;
1818             on_border = on_x_edge || on_y_edge;
1819
1820             if (!on_border && !jump_back) {
1821                 done = 1;
1822                 break;
1823             }
1824
1825             if (menu->timer && (smenu!=menu || (!on_y_edge && !on_x_edge))) {
1826                 WMDeleteTimerHandler(menu->timer);
1827                 menu->timer = NULL;
1828             }
1829
1830             if (smenu != NULL)
1831                 menu = smenu;
1832
1833             if (!menu->timer)
1834                 scrollMenuCallback(menu);
1835             break;
1836         case ButtonPress:
1837             /* True if we push on title, or drag the omenu to other position */
1838             on_title = ev.xbutton.x_root >= omenu->frame_x &&
1839                 ev.xbutton.x_root <= omenu->frame_x + MENUW(omenu) &&
1840                 ev.xbutton.y_root >= omenu->frame_y &&
1841                 ev.xbutton.y_root <= omenu->frame_y + omenu->frame->top_width;
1842             WMHandleEvent(&ev);
1843             smenu = wMenuUnderPointer(scr);
1844             if (smenu == NULL || (smenu && smenu->flags.buttoned && smenu != omenu))
1845                 done = 1;
1846             else if (smenu==omenu && on_title) {
1847                 jump_back = 0;
1848                 done = 1;
1849             }
1850             break;
1851         case KeyPress:
1852             done = 1;
1853         default:
1854             WMHandleEvent(&ev);
1855             break;
1856         }
1857     }
1858
1859     if (menu->timer) {
1860         WMDeleteTimerHandler(menu->timer);
1861         menu->timer = NULL;
1862     }
1863
1864     if (jump_back) {
1865         _delay *delayer;
1866         if (!omenu->jump_back) {
1867             delayer=wmalloc(sizeof(_delay));
1868             delayer->menu=omenu;
1869             delayer->ox=old_frame_x;
1870             delayer->oy=old_frame_y;
1871             omenu->jump_back=delayer;
1872             scr->flags.jump_back_pending = 1;
1873         }
1874         else delayer = omenu->jump_back;
1875         WMAddTimerHandler(MENU_JUMP_BACK_DELAY,(WMCallback*)_leaving, delayer);
1876     }
1877
1878
1879 #ifdef DEBUG
1880     puts("Leaving menu Scroll");
1881 #endif
1882 }
1883
1884
1885
1886 static void
1887 menuExpose(WObjDescriptor *desc, XEvent *event)
1888 {
1889     wMenuPaint(desc->parent);
1890 }
1891
1892 typedef struct {
1893     int *delayed_select;
1894     WMenu *menu;
1895     WMHandlerID magic;
1896 } delay_data;
1897
1898
1899 static void
1900 delaySelection(void *data)
1901 {
1902     delay_data *d = (delay_data*)data;
1903     int x, y, entry_no;
1904     WMenu *menu;
1905
1906     d->magic = NULL;
1907
1908     menu = findMenu(d->menu->menu->screen_ptr, &x, &y);
1909     if (menu && (d->menu == menu || d->delayed_select)) {
1910         entry_no = getEntryAt(menu, x, y);
1911         selectEntry(menu, entry_no);
1912     }
1913     if (d->delayed_select)
1914         *(d->delayed_select) = 0;
1915 }
1916
1917
1918 static void
1919 menuMouseDown(WObjDescriptor *desc, XEvent *event)
1920 {
1921     XButtonEvent *bev = &event->xbutton;
1922     WMenu *menu = desc->parent;
1923     WMenu *smenu;
1924     WScreen *scr=menu->frame->screen_ptr;
1925     WMenuEntry *entry=NULL;
1926     XEvent ev;
1927     int close_on_exit=0;
1928     int done=0;
1929     int delayed_select = 0;
1930     int entry_no;
1931     int x, y;
1932     int prevx, prevy;
1933     int old_frame_x = 0;
1934     int old_frame_y = 0;
1935     delay_data d_data = {NULL, NULL, NULL};
1936
1937     if (!wPreferences.wrap_menus) {
1938         smenu = parentMenu(menu);
1939         old_frame_x = smenu->frame_x;
1940         old_frame_y = smenu->frame_y;
1941     } else if (event->xbutton.window == menu->frame->core->window) {
1942         /* This is true if the menu was launched with right click on root window */
1943         delayed_select = 1;
1944         d_data.delayed_select = &delayed_select;
1945         d_data.menu = menu;
1946         d_data.magic = WMAddTimerHandler(wPreferences.dblclick_time,
1947                                         delaySelection, &d_data);
1948     }
1949
1950     wRaiseFrame(menu->frame->core);
1951
1952     close_on_exit = (bev->send_event || menu->flags.brother);
1953
1954     smenu = findMenu(scr, &x, &y);
1955     if (!smenu) {
1956         x = -1;
1957         y = -1;
1958     } else {
1959         menu = smenu;
1960     }
1961
1962     if (menu->flags.editing) {
1963         return;
1964     }
1965     entry_no = getEntryAt(menu, x, y);
1966     if (entry_no>=0) {
1967         entry = menu->entries[entry_no];
1968
1969         if (!close_on_exit && (bev->state & ControlMask) && smenu
1970             && entry->flags.editable) {
1971             editEntry(smenu, entry);
1972             return;
1973         } else if (bev->state & ControlMask) {
1974             return;
1975         }
1976
1977         if (entry->flags.enabled && entry->cascade>=0 && menu->cascades) {
1978             WMenu *submenu = menu->cascades[entry->cascade];
1979             /* map cascade */
1980             if (submenu->flags.mapped && !submenu->flags.buttoned &&
1981                 menu->selected_entry!=entry_no) {
1982                 wMenuUnmap(submenu);
1983             }
1984             if (!submenu->flags.mapped && !delayed_select) {
1985                 selectEntry(menu, entry_no);
1986             } else if (!submenu->flags.buttoned) {
1987                 selectEntry(menu, -1);
1988             }
1989
1990         } else if (!delayed_select) {
1991             selectEntry(menu, entry_no);
1992         }
1993
1994         if (!wPreferences.wrap_menus && !wPreferences.scrollable_menus) {
1995             if (!menu->timer)
1996                 dragScrollMenuCallback(menu);
1997         }
1998     }
1999
2000     prevx = bev->x_root;
2001     prevy = bev->y_root;
2002     while (!done) {
2003         int x, y;
2004
2005         XAllowEvents(dpy, SyncPointer, CurrentTime);
2006
2007         WMMaskEvent(dpy, ExposureMask|ButtonMotionMask|ButtonReleaseMask
2008                     |ButtonPressMask, &ev);
2009         switch (ev.type) {
2010          case MotionNotify:
2011             smenu = findMenu(scr, &x, &y);
2012
2013             if (smenu == NULL) {
2014                 /* moved mouse out of menu */
2015
2016                 if (!delayed_select && d_data.magic) {
2017                     WMDeleteTimerHandler(d_data.magic);
2018                     d_data.magic = NULL;
2019                 }
2020                 if (menu==NULL
2021                     || (menu->selected_entry>=0
2022                         && menu->entries[menu->selected_entry]->cascade>=0)) {
2023                     prevx = ev.xmotion.x_root;
2024                     prevy = ev.xmotion.y_root;
2025
2026                     break;
2027                 }
2028                 selectEntry(menu, -1);
2029                 menu = smenu;
2030                 prevx = ev.xmotion.x_root;
2031                 prevy = ev.xmotion.y_root;
2032                 break;
2033             } else if (menu && menu!=smenu
2034                        && (menu->selected_entry<0
2035                            || menu->entries[menu->selected_entry]->cascade<0)) {
2036                 selectEntry(menu, -1);
2037
2038                 if (!delayed_select && d_data.magic) {
2039                     WMDeleteTimerHandler(d_data.magic);
2040                     d_data.magic = NULL;
2041                 }
2042             } else {
2043
2044                 /* hysteresis for item selection */
2045
2046                 /* check if the motion was to the side, indicating that
2047                  * the user may want to cross to a submenu */
2048                 if (!delayed_select && menu) {
2049                     int dx;
2050                     Bool moved_to_submenu;/* moved to direction of submenu */
2051
2052                     dx = abs(prevx - ev.xmotion.x_root);
2053
2054                     moved_to_submenu = False;
2055                     if (dx > 0 /* if moved enough to the side */
2056                         /* maybe a open submenu */
2057                         && menu->selected_entry>=0
2058                         /* moving to the right direction */
2059                         && (wPreferences.align_menus
2060                             || ev.xmotion.y_root >= prevy)) {
2061                         int index;
2062
2063                         index = menu->entries[menu->selected_entry]->cascade;
2064                         if (index>=0) {
2065                             if (menu->cascades[index]->frame_x>menu->frame_x) {
2066                                 if (prevx < ev.xmotion.x_root)
2067                                     moved_to_submenu = True;
2068                             } else {
2069                                 if (prevx > ev.xmotion.x_root)
2070                                     moved_to_submenu = True;
2071                             }
2072                         }
2073                     }
2074
2075
2076                     if (menu != smenu) {
2077                         if (d_data.magic) {
2078                             WMDeleteTimerHandler(d_data.magic);
2079                         }
2080                         d_data.magic = NULL;
2081                     } else if (moved_to_submenu) {
2082                         /* while we are moving, postpone the selection */
2083                         if (d_data.magic) {
2084                             WMDeleteTimerHandler(d_data.magic);
2085                         }
2086                         d_data.delayed_select = NULL;
2087                         d_data.menu = menu;
2088                         d_data.magic = WMAddTimerHandler(MENU_SELECT_DELAY,
2089                                                          delaySelection,
2090                                                          &d_data);
2091                         prevx = ev.xmotion.x_root;
2092                         prevy = ev.xmotion.y_root;
2093                         break;
2094                     } else {
2095                         if (d_data.magic)
2096                             WMDeleteTimerHandler(d_data.magic);
2097                         d_data.magic = NULL;
2098                     }
2099                 }
2100             }
2101             prevx = ev.xmotion.x_root;
2102             prevy = ev.xmotion.y_root;
2103             if (menu!=smenu) {
2104                 /* pointer crossed menus */
2105                 if (menu && menu->timer) {
2106                     WMDeleteTimerHandler(menu->timer);
2107                     menu->timer = NULL;
2108                 }
2109                 if (smenu)
2110                     dragScrollMenuCallback(smenu);
2111             }
2112             menu = smenu;
2113             if (!menu->timer)
2114                 dragScrollMenuCallback(menu);
2115
2116             if (!delayed_select) {
2117                 entry_no = getEntryAt(menu, x, y);
2118                 if (entry_no>=0) {
2119                     entry = menu->entries[entry_no];
2120                     if (entry->flags.enabled && entry->cascade>=0 &&
2121                         menu->cascades) {
2122                         WMenu *submenu = menu->cascades[entry->cascade];
2123                         if (submenu->flags.mapped && !submenu->flags.buttoned
2124                             && menu->selected_entry!=entry_no) {
2125                             wMenuUnmap(submenu);
2126                         }
2127                     }
2128                 }
2129                 selectEntry(menu, entry_no);
2130             }
2131             break;
2132
2133          case ButtonPress:
2134             break;
2135
2136          case ButtonRelease:
2137             if (ev.xbutton.button == event->xbutton.button)
2138                 done=1;
2139             break;
2140
2141          case Expose:
2142             WMHandleEvent(&ev);
2143             break;
2144         }
2145     }
2146
2147     if (menu && menu->timer) {
2148         WMDeleteTimerHandler(menu->timer);
2149         menu->timer = NULL;
2150     }
2151     if (d_data.magic!=NULL)
2152         WMDeleteTimerHandler(d_data.magic);
2153
2154     if (menu && menu->selected_entry>=0) {
2155         entry = menu->entries[menu->selected_entry];
2156         if (entry->callback!=NULL && entry->flags.enabled
2157             && entry->cascade < 0) {
2158             /* blink and erase menu selection */
2159 #if (MENU_BLINK_DELAY > 0)
2160             int sel = menu->selected_entry;
2161             int i;
2162
2163             for (i=0; i<MENU_BLINK_COUNT; i++) {
2164                 paintEntry(menu, sel, False);
2165                 XSync(dpy, 0);
2166                 wusleep(MENU_BLINK_DELAY);
2167                 paintEntry(menu, sel, True);
2168                 XSync(dpy, 0);
2169                 wusleep(MENU_BLINK_DELAY);
2170             }
2171 #endif
2172             /* unmap the menu, it's parents and call the callback */
2173             if (!menu->flags.buttoned &&
2174                 (!menu->flags.app_menu||menu->parent!=NULL)) {
2175                 closeCascade(menu);
2176             } else {
2177                 selectEntry(menu, -1);
2178             }
2179             (*entry->callback)(menu, entry);
2180
2181             /* If the user double clicks an entry, the entry will
2182              * be executed twice, which is not good for things like
2183              * the root menu. So, ignore any clicks that were generated
2184              * while the entry was being executed */
2185             while (XCheckTypedWindowEvent(dpy, menu->menu->window,
2186                                           ButtonPress, &ev));
2187         } else if (entry->callback!=NULL && entry->cascade<0) {
2188             selectEntry(menu, -1);
2189         } else {
2190             if (entry->cascade>=0 && menu->cascades
2191                 && menu->cascades[entry->cascade]->flags.brother) {
2192                 selectEntry(menu, -1);
2193             }
2194         }
2195     }
2196
2197     if (((WMenu*)desc->parent)->flags.brother || close_on_exit || !smenu)
2198         closeCascade(desc->parent);
2199
2200     /* close the cascade windows that should not remain opened */
2201     closeBrotherCascadesOf(desc->parent);
2202
2203     if (!wPreferences.wrap_menus)
2204         wMenuMove(parentMenu(desc->parent), old_frame_x, old_frame_y, True);
2205 }
2206
2207
2208 void
2209 wMenuMove(WMenu *menu, int x, int y, int submenus)
2210 {
2211     WMenu *submenu;
2212     int i;
2213
2214     if (!menu) return;
2215
2216     menu->frame_x = x;
2217     menu->frame_y = y;
2218     XMoveWindow(dpy, menu->frame->core->window, x, y);
2219
2220     if (submenus>0 && menu->selected_entry>=0) {
2221         i = menu->entries[menu->selected_entry]->cascade;
2222
2223         if (i>=0 && menu->cascades) {
2224             submenu = menu->cascades[i];
2225             if (submenu->flags.mapped && !submenu->flags.buttoned)
2226               if (wPreferences.align_menus) {
2227                   wMenuMove(submenu, x + MENUW(menu), y, submenus);
2228               } else {
2229                   wMenuMove(submenu, x+ MENUW(menu),
2230                             y + submenu->entry_height*menu->selected_entry,
2231                             submenus);
2232               }
2233         }
2234     }
2235     if (submenus<0 && menu->parent!=NULL && menu->parent->flags.mapped &&
2236         !menu->parent->flags.buttoned) {
2237         if (wPreferences.align_menus) {
2238             wMenuMove(menu->parent, x - MENUW(menu->parent), y, submenus);
2239         } else {
2240             wMenuMove(menu->parent, x - MENUW(menu->parent), menu->frame_y
2241                       - menu->parent->entry_height*menu->parent->selected_entry,
2242                       submenus);
2243         }
2244     }
2245 }
2246
2247
2248 static void
2249 changeMenuLevels(WMenu *menu, int lower)
2250 {
2251     int i;
2252
2253     if (!lower) {
2254         ChangeStackingLevel(menu->frame->core, (!menu->parent ? WMMainMenuLevel
2255                                           : WMSubmenuLevel));
2256         wRaiseFrame(menu->frame->core);
2257         menu->flags.lowered = 0;
2258     } else {
2259         ChangeStackingLevel(menu->frame->core, WMNormalLevel);
2260         wLowerFrame(menu->frame->core);
2261         menu->flags.lowered = 1;
2262     }
2263     for (i=0; i<menu->cascade_no; i++) {
2264         if (menu->cascades[i]
2265             && !menu->cascades[i]->flags.buttoned
2266             && menu->cascades[i]->flags.lowered!=lower) {
2267             changeMenuLevels(menu->cascades[i], lower);
2268         }
2269     }
2270 }
2271
2272
2273
2274 static void
2275 menuTitleDoubleClick(WCoreWindow *sender, void *data, XEvent *event)
2276 {
2277     WMenu *menu = data;
2278     int lower;
2279
2280     if (event->xbutton.state & MOD_MASK) {
2281         if (menu->flags.lowered) {
2282             lower = 0;
2283         } else {
2284             lower = 1;
2285         }
2286         changeMenuLevels(menu, lower);
2287     }
2288 }
2289
2290
2291 static void
2292 menuTitleMouseDown(WCoreWindow *sender, void *data, XEvent *event)
2293 {
2294     WMenu *menu = data;
2295     WMenu *tmp;
2296     XEvent ev;
2297     int x=menu->frame_x, y=menu->frame_y;
2298     int dx=event->xbutton.x_root, dy=event->xbutton.y_root;
2299     int i, lower;
2300     Bool started;
2301
2302 #ifdef DEBUG
2303     printf("Moving menu\n");
2304 #endif
2305
2306     /* can't touch the menu copy */
2307     if (menu->flags.brother)
2308         return;
2309
2310     if (event->xbutton.button != Button1 && event->xbutton.button != Button2)
2311       return;
2312
2313     if (event->xbutton.state & MOD_MASK) {
2314         wLowerFrame(menu->frame->core);
2315         lower = 1;
2316     } else {
2317         wRaiseFrame(menu->frame->core);
2318         lower = 0;
2319     }
2320     tmp = menu;
2321
2322     /* lower/raise all submenus */
2323     while (1) {
2324         if (tmp->selected_entry>=0 && tmp->cascades
2325             && tmp->entries[tmp->selected_entry]->cascade>=0) {
2326             tmp = tmp->cascades[tmp->entries[tmp->selected_entry]->cascade];
2327             if (!tmp || !tmp->flags.mapped)
2328               break;
2329             if (lower)
2330               wLowerFrame(tmp->frame->core);
2331             else
2332               wRaiseFrame(tmp->frame->core);
2333         } else {
2334             break;
2335         }
2336     }
2337
2338     /* tear off the menu if it's a root menu or a cascade
2339      application menu */
2340     if (!menu->flags.buttoned && !menu->flags.brother
2341         && (!menu->flags.app_menu||menu->parent!=NULL)) {
2342         menu->flags.buttoned=1;
2343         wFrameWindowShowButton(menu->frame, WFF_RIGHT_BUTTON);
2344         if (menu->parent) {
2345             /* turn off selected menu entry in parent menu */
2346             selectEntry(menu->parent, -1);
2347
2348             /* make parent map the copy in place of the original */
2349             for (i=0; i<menu->parent->cascade_no; i++) {
2350                 if (menu->parent->cascades[i] == menu) {
2351                     menu->parent->cascades[i] = menu->brother;
2352                     break;
2353                 }
2354             }
2355         }
2356     }
2357
2358     started = False;
2359     while(1) {
2360         WMMaskEvent(dpy, ButtonMotionMask|ButtonReleaseMask|ButtonPressMask
2361                     |ExposureMask, &ev);
2362         switch (ev.type) {
2363          case MotionNotify:
2364             if (started) {
2365                 x += ev.xmotion.x_root - dx;
2366                 y += ev.xmotion.y_root - dy;
2367                 dx = ev.xmotion.x_root;
2368                 dy = ev.xmotion.y_root;
2369                 wMenuMove(menu, x, y, True);
2370             } else {
2371                 if (abs(ev.xmotion.x_root - dx) > MOVE_THRESHOLD
2372                     || abs(ev.xmotion.y_root - dy) > MOVE_THRESHOLD) {
2373                     started = True;
2374                     XGrabPointer(dpy, menu->frame->titlebar->window, False,
2375                                  ButtonMotionMask|ButtonReleaseMask
2376                                  |ButtonPressMask,
2377                                  GrabModeAsync, GrabModeAsync, None,
2378                                  wCursor[WCUR_MOVE], CurrentTime);
2379                 }
2380             }
2381             break;
2382
2383          case ButtonPress:
2384             break;
2385
2386          case ButtonRelease:
2387             if (ev.xbutton.button != event->xbutton.button)
2388                 break;
2389 #ifdef DEBUG
2390             printf("End menu move\n");
2391 #endif
2392             XUngrabPointer(dpy, CurrentTime);
2393             return;
2394
2395          default:
2396             WMHandleEvent(&ev);
2397             break;
2398         }
2399     }
2400 }
2401
2402 /*
2403  *----------------------------------------------------------------------
2404  * menuCloseClick--
2405  *      Handles mouse click on the close button of menus. The menu is
2406  * closed when the button is clicked.
2407  *
2408  * Side effects:
2409  *      The closed menu is reinserted at it's parent menus
2410  * cascade list.
2411  *----------------------------------------------------------------------
2412  */
2413 static void
2414 menuCloseClick(WCoreWindow *sender, void *data, XEvent *event)
2415 {
2416     WMenu *menu = (WMenu*)data;
2417     WMenu *parent = menu->parent;
2418     int i;
2419
2420     if (parent) {
2421         for (i=0; i<parent->cascade_no; i++) {
2422             /* find the entry that points to the copy */
2423             if (parent->cascades[i] == menu->brother) {
2424                 /* make it point to the original */
2425                 parent->cascades[i] = menu;
2426                 menu->parent = parent;
2427                 break;
2428             }
2429         }
2430     }
2431     wMenuUnmap(menu);
2432 }
2433
2434
2435 void
2436 wMenuSaveState(WScreen *scr)
2437 {
2438     proplist_t menus, key, value;
2439     int save_menus = 0;
2440     char buffer[256];
2441
2442     menus = PLMakeDictionaryFromEntries(NULL, NULL, NULL);
2443
2444 #ifndef LITE
2445     if (scr->root_menu && scr->root_menu->flags.buttoned) {
2446         sprintf(buffer, "%i,%i", scr->root_menu->frame_x,
2447                                  scr->root_menu->frame_y);
2448         key = PLMakeString("RootMenu");
2449         value = PLMakeString(buffer);
2450         PLInsertDictionaryEntry(menus, key, value);
2451         PLRelease(key);
2452         PLRelease(value);
2453         save_menus = 1;
2454     }
2455
2456     if (scr->switch_menu && scr->switch_menu->flags.buttoned) {
2457         sprintf(buffer, "%i,%i", scr->switch_menu->frame_x,
2458                                  scr->switch_menu->frame_y);
2459         key = PLMakeString("SwitchMenu");
2460         value = PLMakeString(buffer);
2461         PLInsertDictionaryEntry(menus, key, value);
2462         PLRelease(key);
2463         PLRelease(value);
2464         save_menus = 1;
2465     }
2466 #endif /* !LITE */
2467     if (scr->workspace_menu && scr->workspace_menu->flags.buttoned) {
2468         sprintf(buffer, "%i,%i", scr->workspace_menu->frame_x,
2469                                  scr->workspace_menu->frame_y);
2470         key = PLMakeString("WorkspaceMenu");
2471         value = PLMakeString(buffer);
2472         PLInsertDictionaryEntry(menus, key, value);
2473         PLRelease(key);
2474         PLRelease(value);
2475         save_menus = 1;
2476     }
2477
2478     if (save_menus) {
2479         key = PLMakeString("Menus");
2480         PLInsertDictionaryEntry(scr->session_state, key, menus);
2481         PLRelease(key);
2482     }
2483     PLRelease(menus);
2484 }
2485
2486
2487 #define COMPLAIN(key) wwarning(_("bad value in menus state info:%s"), key)
2488
2489
2490 static int
2491 restoreMenu(WScreen *scr, proplist_t menu, int which)
2492 {
2493     int i, x, y;
2494     WMenu *pmenu = NULL;
2495
2496     if (!menu)
2497         return False;
2498
2499     if (!PLIsString(menu)) {
2500         COMPLAIN("Position");
2501         return False;
2502     }
2503
2504     if (sscanf(PLGetString(menu), "%i,%i", &x, &y)!=2)
2505         COMPLAIN("Position");
2506
2507 #ifndef LITE
2508     if (which & WSS_ROOTMENU) {
2509         OpenRootMenu(scr, x, y, False);
2510         pmenu = scr->root_menu;
2511     } else if (which & WSS_SWITCHMENU) {
2512         OpenSwitchMenu(scr, x, y, False);
2513         pmenu = scr->switch_menu;
2514     } else
2515 #endif /* !LITE */
2516         if (which & WSS_WSMENU) {
2517         OpenWorkspaceMenu(scr, x, y);
2518         pmenu = scr->workspace_menu;
2519         if (pmenu->parent) {
2520             /* make parent map the copy in place of the original */
2521             for (i=0; i<pmenu->parent->cascade_no; i++) {
2522                 if (pmenu->parent->cascades[i] == pmenu) {
2523                     pmenu->parent->cascades[i] = pmenu->brother;
2524                     break;
2525                 }
2526             }
2527         }
2528     }
2529
2530     if (pmenu) {
2531         int width = MENUW(pmenu);
2532         int height = MENUH(pmenu);
2533
2534         x = (x < -width) ? 0 : x;
2535         x = (x > scr->scr_width) ? scr->scr_width - width : x;
2536         y = (y < 0) ? 0 : y;
2537         y = (y > scr->scr_height) ? scr->scr_height - height : y;
2538         wMenuMove(pmenu, x, y, True);
2539         pmenu->flags.buttoned = 1;
2540         wFrameWindowShowButton(pmenu->frame, WFF_RIGHT_BUTTON);
2541         return True;
2542     }
2543     return False;
2544 }
2545
2546
2547 void
2548 wMenuRestoreState(WScreen *scr)
2549 {
2550     proplist_t menus, menu, key, rkey, skey, wkey;
2551
2552     key = PLMakeString("Menus");
2553     menus = PLGetDictionaryEntry(scr->session_state, key);
2554     PLRelease(key);
2555
2556     if (!menus)
2557         return;
2558
2559     /* restore menus */
2560
2561     rkey = PLMakeString("RootMenu");
2562     skey = PLMakeString("SwitchMenu");
2563     wkey = PLMakeString("WorkspaceMenu");
2564     menu = PLGetDictionaryEntry(menus, rkey);
2565     restoreMenu(scr, menu, WSS_ROOTMENU);
2566     menu = PLGetDictionaryEntry(menus, skey);
2567     restoreMenu(scr, menu, WSS_SWITCHMENU);
2568     menu = PLGetDictionaryEntry(menus, wkey);
2569     restoreMenu(scr, menu, WSS_WSMENU);
2570
2571     PLRelease(rkey);
2572     PLRelease(skey);
2573     PLRelease(wkey);
2574 }
2575
2576
2577 void
2578 OpenWorkspaceMenu(WScreen *scr, int x, int y)
2579 {
2580     WMenu *menu, *parent;
2581     WMenuEntry *entry;
2582
2583 #ifndef LITE
2584     if (!scr->root_menu) {
2585         OpenRootMenu(scr, scr->scr_width*2, 0, False);
2586         wMenuUnmap(scr->root_menu);
2587     }
2588 #endif
2589     menu = scr->workspace_menu;
2590     if (menu) {
2591         if (menu->flags.mapped) {
2592             if (!menu->flags.buttoned) {
2593                 wMenuUnmap(menu);
2594                 parent = menu->parent;
2595                 if (parent && parent->selected_entry >= 0) {
2596                     entry = parent->entries[parent->selected_entry];
2597                     if (parent->cascades[entry->cascade] == menu) {
2598                         selectEntry(parent, -1);
2599                         wMenuMapAt(menu, x, y, False);
2600                     }
2601                 }
2602             } else {
2603                 wRaiseFrame(menu->frame->core);
2604                 wMenuMapCopyAt(menu, x, y);
2605             }
2606         }
2607         else {
2608             wMenuMapAt(menu, x, y, False);
2609         }
2610     }
2611 }
2612
2613