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