rspanel.c

   1
   2 /**********************************************************
   3  ** Rather Small Panel 0.8beta1 Copyright (c) 2006       **
   4  ** By Mikael Magnusson                                  **
   5  ** See file COPYING for license details.                **
   6  **********************************************************/
   7
   8 #include <stdlib.h>
   9 #include <string.h>
  10 #include <time.h>
  11 #include <sys/time.h>
  12 #include <sys/types.h>
  13 #include <unistd.h>
  14
  15 #include <X11/Xlib.h>
  16 #include <X11/Xutil.h>
  17 #include <X11/Xatom.h>
  18 #include <iconv.h>
  19
  20 /* you can edit these */
  21 #define MAX_TASK_WIDTH 500
  22 #define ICONWIDTH 16
  23 #define ICONHEIGHT 16
  24 /* XXX get this from the font */
  25 #define WINHEIGHT 24
  26 #ifndef MIKACHU
  27 #        define WINWIDTH scr_width
  28 #else
  29 int WINWIDTH = 827;
  30 #endif
  31
  32 /* don't edit these */
  33 #define TEXTPAD 6
  34 #define GRILL_WIDTH 10
  35
  36 #include <openbox/render.h>
  37 #include <openbox/theme.h>
  38
  39 #include "rspanel.h"
  40
  41 Window rspanelwin;
  42 Display *dd;
  43 Window root_win;
  44 GC fore_gc;
  45 taskbar tb;
  46 int scr_screen;
  47 int scr_depth;
  48 int scr_width;
  49 int scr_height;
  50 int text_y;
  51 int pager_size;
  52
  53 RrInstance *inst;
  54 RrAppearance *background;
  55 RrAppearance *focused_task;
  56 RrAppearance *iconified_task;
  57 RrAppearance *unfocused_task;
  58 RrAppearance *normal_text;
  59 RrAppearance *iconified_text;
  60 RrAppearance *shaded_text;
  61 RrAppearance *focused_text;
  62 RrAppearance *a_icon;
  63
  64 /* we draw stuff to this guy then set him as a window
  65  * background pixmap, yay no flickering! */
  66 Pixmap bgpixmap;
  67
  68 char *atom_names[] = {
  69     /* clients */
  70     "KWM_WIN_ICON",
  71     "WM_STATE",
  72     "_MOTIF_WM_HINTS",
  73     "_NET_WM_STATE",
  74     "_NET_WM_STATE_SKIP_TASKBAR",
  75     "_NET_WM_STATE_SHADED",
  76     "_NET_WM_STATE_BELOW",
  77     "_NET_WM_STATE_HIDDEN",
  78     "_NET_WM_DESKTOP",
  79     "_NET_WM_WINDOW_TYPE",
  80     "_NET_WM_WINDOW_TYPE_DOCK",
  81     "_NET_WM_STRUT",
  82     "_WIN_HINTS",
  83     /* root */
  84     "_NET_CLIENT_LIST",
  85     "_NET_CLIENT_LIST_STACKING",
  86     "_NET_NUMBER_OF_DESKTOPS",
  87     "_NET_CURRENT_DESKTOP",
  88     "_OB_WM_ACTION",
  89     "_NET_WM_NAME",
  90     "UTF8_STRING",
  91     "_NET_ACTIVE_WINDOW",
  92     "_NET_RESTACK_WINDOW",
  93     "_OB_FOCUS",
  94     "_NET_WM_ICON_GEOMETRY",
  95     "_NET_WM_ICON",
  96 };
  97
  98 typedef enum {
  99 KWM_WIN_ICON,
 100 WM_STATE,
 101 _MOTIF_WM_HINTS,
 102 _NET_WM_STATE,
 103 _NET_WM_STATE_SKIP_TASKBAR,
 104 _NET_WM_STATE_SHADED,
 105 _NET_WM_STATE_BELOW,
 106 _NET_WM_STATE_HIDDEN,
 107 _NET_WM_DESKTOP,
 108 _NET_WM_WINDOW_TYPE,
 109 _NET_WM_WINDOW_TYPE_DOCK,
 110 _NET_WM_STRUT,
 111 _WIN_HINTS,
 112 _NET_CLIENT_LIST,
 113 _NET_CLIENT_LIST_STACKING,
 114 _NET_NUMBER_OF_DESKTOPS,
 115 _NET_CURRENT_DESKTOP,
 116 _OB_WM_ACTION,
 117 _NET_WM_NAME,
 118 STRING_UTF8,
 119 _NET_ACTIVE_WINDOW,
 120 _NET_RESTACK_WINDOW,
 121 _OB_FOCUS,
 122 _NET_WM_ICON_GEOMETRY,
 123 _NET_WM_ICON,
 124 ATOM_COUNT,
 125 } atom_t;
 126
 127 Atom atoms[ATOM_COUNT];
 128
 129 enum {
 130     REMOVE = 0,
 131     ADD,
 132     TOGGLE
 133 };
 134
 135 static void *get_prop_data(Window win, Atom prop, Atom type, int *items)
 136 {
 137     Atom type_ret;
 138     int format_ret;
 139     unsigned long items_ret;
 140     unsigned long after_ret;
 141     unsigned char *prop_data;
 142
 143     prop_data = 0;
 144
 145     XGetWindowProperty(dd, win, prop, 0, 0x7fffffff, False, type, &type_ret,
 146                        &format_ret, &items_ret, &after_ret, &prop_data);
 147     if (items)
 148         *items = items_ret;
 149
 150     return prop_data;
 151 }
 152
 153 static int generic_get_int(Window win, Atom at)
 154 {
 155     int num = 0;
 156     unsigned long *data;
 157
 158     data = get_prop_data(win, at, XA_CARDINAL, 0);
 159     if (data) {
 160         num = *data;
 161         XFree(data);
 162     }
 163     return num;
 164 }
 165
 166 static int find_desktop(Window win)
 167 {
 168     return generic_get_int(win, atoms[_NET_WM_DESKTOP]);
 169 }
 170
 171 static int find_state(Window win, atom_t atom)
 172 {
 173     unsigned long *data;
 174     int ret = 0;
 175     int num;
 176
 177     data = get_prop_data(win, atoms[_NET_WM_STATE], XA_ATOM, &num);
 178     if (data) {
 179         while (num--) {
 180             if ((data[num]) == atoms[atom])
 181                 ret = 1;
 182         }
 183         XFree(data);
 184     }
 185     return ret;
 186 }
 187
 188 /* this naming is very confusing :) */
 189 static int is_hidden(Window win)
 190 {
 191     return find_state(win, _NET_WM_STATE_SKIP_TASKBAR);
 192 }
 193
 194 static int is_iconified(Window win)
 195 {
 196     return find_state(win, _NET_WM_STATE_HIDDEN);
 197 }
 198
 199 static int is_shaded(Window win)
 200 {
 201     return find_state(win, _NET_WM_STATE_SHADED);
 202 }
 203
 204 static int get_current_desktop(void)
 205 {
 206     return generic_get_int(root_win, atoms[_NET_CURRENT_DESKTOP]);
 207 }
 208
 209 #ifdef PAGER
 210 static int get_number_of_desktops(void)
 211 {
 212     return generic_get_int(root_win, atoms[_NET_NUMBER_OF_DESKTOPS]);
 213 }
 214 #endif
 215
 216 static void free_icons(task *tk)
 217 {
 218     unsigned int i;
 219
 220     for (i = 0; i < tk->nicons; ++i)
 221         free(tk->icons[i].data);
 222     if (tk->nicons > 0)
 223         free(tk->icons);
 224     tk->nicons = 0;
 225 }
 226
 227 static void task_update_icon(task *tk)
 228 {
 229     /* these bits are borrowed from openbox' client.c::client_update_icons */
 230     unsigned int num;
 231     RrPixel32 *data;
 232     unsigned int w, h, i, j;
 233
 234     free_icons(tk);
 235
 236     data = get_prop_data(tk->win, atoms[_NET_WM_ICON], XA_CARDINAL, &num);
 237     if (num) {
 238         /* figure out how many valid icons are in here */
 239         i = 0;
 240         while (num - i > 2) {
 241             w = data[i++];
 242             h = data[i++];
 243             i += w * h;
 244             if (i > num || w*h == 0) break;
 245             ++tk->nicons;
 246         }
 247
 248         tk->icons = calloc(tk->nicons, sizeof(icon));
 249
 250         /* store the icons */
 251         i = 0;
 252         for (j = 0; j < tk->nicons; ++j) {
 253             guint x, y, t;
 254
 255             w = tk->icons[j].width = data[i++];
 256             h = tk->icons[j].height = data[i++];
 257
 258             if (w*h == 0) continue;
 259
 260             tk->icons[j].data = g_new(RrPixel32, w * h);
 261             for (x = 0, y = 0, t = 0; t < w * h; ++t, ++x, ++i) {
 262                 if (x >= w) {
 263                     x = 0;
 264                     ++y;
 265                 }
 266                 tk->icons[j].data[t] =
 267                     (((data[i] >> 24) & 0xff) << RrDefaultAlphaOffset) +
 268                     (((data[i] >> 16) & 0xff) << RrDefaultRedOffset) +
 269                     (((data[i] >> 8) & 0xff) << RrDefaultGreenOffset) +
 270                     (((data[i] >> 0) & 0xff) << RrDefaultBlueOffset);
 271             }
 272             g_assert(i <= num);
 273         }
 274
 275         g_free(data);
 276     } else {
 277         XWMHints *hints;
 278
 279         if ((hints = XGetWMHints(dd, tk->win))) {
 280             if (hints->flags & IconPixmapHint) {
 281                 tk->nicons++;
 282                 tk->icons = g_new(icon, tk->nicons);
 283 //                xerror_set_ignore(TRUE);
 284                 if (!RrPixmapToRGBA(inst,
 285                                     hints->icon_pixmap,
 286                                     (hints->flags & IconMaskHint ?
 287                                      hints->icon_mask : None),
 288                                     &tk->icons[tk->nicons-1].width,
 289                                     &tk->icons[tk->nicons-1].height,
 290                                     &tk->icons[tk->nicons-1].data)){
 291                     g_free(&tk->icons[tk->nicons-1]);
 292                     tk->nicons--;
 293                 }
 294 //                xerror_set_ignore(FALSE);
 295             }
 296             XFree(hints);
 297         }
 298     }
 299 }
 300
 301 static void add_task(Window win, int focus)
 302 {
 303     task *tk, *list;
 304     int desk;
 305
 306     if (win == tb.win)
 307         return;
 308
 309     /* is this window on a different desktop? */
 310     /* XXX add even if is_hidden, but don't show it later, so we can
 311      * unhide it when the prop is removed */
 312     desk = find_desktop(win);
 313     if ((desk != 0xffffffff && tb.my_desktop != desk) || is_hidden(win))
 314         return;
 315
 316     XSelectInput(dd, win, PropertyChangeMask | StructureNotifyMask);
 317
 318     tk = calloc(1, sizeof(task));
 319     tk->win = win;
 320     tk->focused = focus;
 321     tk->name = get_prop_data(tk->win, atoms[_NET_WM_NAME], atoms[STRING_UTF8], 0) ?:
 322                get_prop_data(tk->win, XA_WM_NAME, XA_STRING, 0);
 323     /* XXX use this? */
 324     //tk->locale = get_prop_data(win, XA_WM_LOCALE_NAME, XA_STRING, 0);
 325     tk->iconified = is_iconified(win);
 326     tk->shaded = is_shaded(win);
 327     task_update_icon(tk);
 328
 329     /* now append it to our linked list */
 330     tb.num_tasks++;
 331
 332     list = tb.task_list;
 333     if (!list) {
 334         tb.task_list = tk;
 335         return;
 336     }
 337     while (1) {
 338         if (!list->next) {
 339             list->next = tk;
 340             return;
 341         }
 342         list = list->next;
 343     }
 344 }
 345
 346 static void set_prop(Window win, Atom at, Atom type, long val)
 347 {
 348     XChangeProperty(dd, win, at, type, 32,
 349                     PropModeReplace, (unsigned char *)&val, 1);
 350 }
 351
 352 static Window gui_create_taskbar(void)
 353 {
 354     Window win;
 355     XSizeHints size_hints;
 356     XSetWindowAttributes att;
 357     XClassHint xclhints;
 358
 359     att.event_mask = ButtonPressMask;
 360
 361     tb.x = 0;
 362     tb.y = scr_height - WINHEIGHT;
 363
 364     win = rspanelwin = XCreateWindow(/* display  */ dd,
 365                                      /* parent   */ root_win,
 366                                      /* x        */ tb.x,
 367                                      /* y        */ tb.y,
 368 /* XXX Maybe just use scr_width here? */
 369                                      /* width    */ WINWIDTH,
 370                                      /* height   */ WINHEIGHT,
 371                                      /* border   */ 0,
 372                                      /* depth    */ CopyFromParent,
 373                                      /* class    */ InputOutput,
 374                                      /* visual   */ CopyFromParent,
 375                                      /*value mask*/ CWEventMask,
 376                                      /* attribs  */ &att);
 377
 378     /* reside on ALL desktops */
 379     set_prop(win, atoms[_NET_WM_DESKTOP], XA_CARDINAL, 0xFFFFFFFF);
 380     set_prop(win, atoms[_NET_WM_WINDOW_TYPE], XA_ATOM,
 381              atoms[_NET_WM_WINDOW_TYPE_DOCK]);
 382     set_prop(win, atoms[_NET_WM_STATE], XA_ATOM, atoms[_NET_WM_STATE_BELOW]);
 383     XChangeProperty(dd, win, XA_WM_NAME, XA_STRING, 8, PropModeReplace,
 384                     (unsigned char *)"rspanel", 7);
 385
 386     /* make sure the WM obays our window position */
 387     size_hints.flags = PPosition;
 388     /*XSetWMNormalHints (dd, win, &size_hints); */
 389     XChangeProperty(dd, win, XA_WM_NORMAL_HINTS, XA_WM_SIZE_HINTS, 32,
 390                     PropModeReplace, (unsigned char *)&size_hints,
 391                     sizeof(XSizeHints) / 4);
 392
 393     xclhints.res_name = "rspanel";
 394     xclhints.res_class = "RSPanel";
 395     XSetClassHint(dd, win, &xclhints);
 396
 397     XMapWindow(dd, win);
 398
 399     return win;
 400 }
 401
 402 static void gui_init(void)
 403 {
 404     XGCValues gcv;
 405
 406     gcv.graphics_exposures = False;
 407
 408     fore_gc = XCreateGC(dd, root_win, GCGraphicsExposures, &gcv);
 409
 410     inst = RrInstanceNew(dd, scr_screen);
 411     background = RrAppearanceNew(inst, 0);
 412     focused_task = RrAppearanceNew(inst, 0);
 413     unfocused_task = RrAppearanceNew(inst, 0);
 414     normal_text = RrAppearanceNew(inst, 1);
 415     a_icon = RrAppearanceNew(inst, 1);
 416
 417     a_icon->surface.grad = RR_SURFACE_PARENTREL;
 418
 419     background->surface.grad = RR_SURFACE_DIAGONAL;
 420     background->surface.primary = RrColorNew(inst, 170, 170, 190);
 421     background->surface.secondary = RrColorNew(inst, 100, 100, 160);
 422
 423     unfocused_task->surface.parent = background;
 424     unfocused_task->surface.grad = RR_SURFACE_PARENTREL;
 425
 426     iconified_task = RrAppearanceCopy(unfocused_task);
 427     iconified_task->surface.relief = RR_RELIEF_SUNKEN;
 428     iconified_task->surface.parent = background;
 429
 430     focused_task->surface.parent = background;
 431     focused_task->surface.grad = RR_SURFACE_CROSS_DIAGONAL;
 432     focused_task->surface.secondary = RrColorNew(inst, 70, 80, 110);
 433     focused_task->surface.primary = RrColorNew(inst, 130, 160, 250);
 434     focused_task->surface.relief = RR_RELIEF_RAISED;
 435
 436     normal_text->surface.grad = RR_SURFACE_PARENTREL;
 437     normal_text->texture[0].type = RR_TEXTURE_TEXT;
 438     normal_text->texture[0].data.text.font
 439         = RrFontOpen(inst, "Candara, sans", 10, RR_FONTWEIGHT_NORMAL, RR_FONTSLANT_NORMAL);
 440     normal_text->texture[0].data.text.justify = RR_JUSTIFY_LEFT;
 441     normal_text->texture[0].data.text.ellipsize = RR_ELLIPSIZE_END;
 442
 443     iconified_text = RrAppearanceCopy(normal_text);
 444     normal_text->texture[0].data.text.color = RrColorNew(inst, 20, 20, 40);
 445     focused_text = RrAppearanceCopy(normal_text);
 446     iconified_text->texture[0].data.text.shadow_offset_x = 2;
 447     iconified_text->texture[0].data.text.shadow_offset_y = 2;
 448     iconified_text->texture[0].data.text.shadow_alpha = 100;
 449     iconified_text->texture[0].data.text.shadow_color = RrColorNew(inst, 0, 0, 0);
 450     shaded_text = RrAppearanceCopy(normal_text);
 451     shaded_text->texture[0].data.text.color = RrColorNew(inst, 50, 60, 90);
 452     iconified_text->texture[0].data.text.color = RrColorNew(inst, 200, 200, 200);
 453     focused_text->texture[0].data.text.color = RrColorNew(inst, 230, 230, 255);
 454 }
 455
 456 const icon* best_task_icon(task *tk, gint w, gint h)
 457 {
 458     static icon deficon;
 459     guint i;
 460     gulong min_diff, min_i;
 461
 462     min_diff = ABS(tk->icons[0].width - w) + ABS(tk->icons[0].height - h);
 463     min_i = 0;
 464
 465     for (i = 1; i < tk->nicons; ++i) {
 466         gulong diff;
 467
 468         diff = ABS(tk->icons[i].width - w) + ABS(tk->icons[i].height - h);
 469         if (diff < min_diff) {
 470             min_diff = diff;
 471             min_i = i;
 472         }
 473     }
 474     return &tk->icons[min_i];
 475 }
 476
 477 #define PADDING 2
 478 #define ICON_SIZE WINHEIGHT-2*PADDING
 479 static void gui_draw_task(task *tk, int redraw)
 480 {
 481     RrAppearance *a;
 482     RrAppearance *b;
 483     const icon *i;
 484
 485     if (tk->iconified)
 486         b = iconified_task;
 487     else if (tk->focused)
 488         b = focused_task;
 489     else if (tk->shaded)
 490         b = iconified_task;
 491     else
 492         b = unfocused_task;
 493
 494     if (tk->iconified)
 495         a = iconified_text;
 496     else if (tk->shaded)
 497         a = shaded_text;
 498     else if (tk->focused)
 499         a = focused_text;
 500     else
 501         a = normal_text;
 502
 503     i = best_task_icon(tk, ICON_SIZE, ICON_SIZE);
 504
 505     if (i) {
 506         RrTexture *c = &a_icon->texture[0];
 507         RrTextureRGBA *d = &c->data.rgba;
 508         c->type = RR_TEXTURE_RGBA;
 509         a_icon->surface.parent = b;
 510         a_icon->surface.parentx = PADDING;
 511         a_icon->surface.parenty = PADDING;
 512         d->width = i->width;
 513         d->height = i->height;
 514         d->alpha = tk->iconified ? 0x80 : tk->shaded ? 0xB0 : 0xff;
 515         d->data = i->data;
 516     }
 517
 518     a->surface.parent = b;
 519     a->surface.parentx = ICON_SIZE+2*PADDING;
 520     a->texture[0].data.text.string = tk->name;
 521     b->surface.parentx = tk->pos_x;
 522
 523     RrPaintPixmap(b, tk->width, WINHEIGHT);
 524     RrPaintPixmap(a, tk->width-3*PADDING-ICON_SIZE, WINHEIGHT);
 525     RrPaintPixmap(a_icon, ICON_SIZE, ICON_SIZE);
 526
 527     XCopyArea(dd, a_icon->pixmap, b->pixmap, fore_gc, 0, 0,
 528               ICON_SIZE, ICON_SIZE, PADDING, PADDING);
 529     XCopyArea(dd, a->pixmap, b->pixmap, fore_gc, 0, 0,
 530               tk->width-3*PADDING-ICON_SIZE, WINHEIGHT, ICON_SIZE+2*PADDING, 0);
 531     XCopyArea(dd, b->pixmap, bgpixmap, fore_gc, 0, 0,
 532               tk->width, WINHEIGHT, tk->pos_x, 0);
 533
 534     a_icon->texture[1].type = RR_TEXTURE_NONE;
 535     XFreePixmap(dd, a->pixmap);
 536     XFreePixmap(dd, b->pixmap);
 537     XFreePixmap(dd, a_icon->pixmap);
 538     if (redraw) {
 539         XSetWindowBackgroundPixmap(dd, tb.win, bgpixmap);
 540         XClearWindow(dd, tb.win);
 541     }
 542 }
 543
 544 static void netwm_action(Window win, atom_t atom, Time time, long l)
 545 {
 546     XClientMessageEvent xev = {
 547     .type = ClientMessage,
 548     .window = win,
 549     .format = 32,
 550     .data.l = {0},
 551     .message_type = atoms[atom]
 552     };
 553
 554     if (atom == _NET_ACTIVE_WINDOW) {
 555         xev.data.l[0] = 2;
 556         xev.data.l[1] = time;
 557         xev.data.l[2] = 0;
 558     } else if (atom == _NET_CURRENT_DESKTOP) {
 559         xev.data.l[0] = l;
 560         xev.data.l[1] = time;
 561     } else if (atom == _NET_RESTACK_WINDOW) {
 562         xev.data.l[0] = 2;
 563         xev.data.l[2] = l;
 564     } else if (atom == _OB_FOCUS) {
 565     } else {
 566         xev.message_type = atoms[_NET_WM_STATE];
 567         xev.data.l[0] = l;
 568         xev.data.l[1] = atoms[atom];
 569         xev.data.l[3] = 2;
 570     }
 571
 572     XSendEvent(dd, root_win, False, SubstructureNotifyMask
 573                |SubstructureRedirectMask, (XEvent *)&xev);
 574 }
 575
 576 static void set_icon_geometry(task *tk)
 577 {
 578     long coords[4];
 579
 580     coords[0] = tb.x + tk->pos_x;
 581     coords[1] = tb.y;
 582     coords[2] = MAX(tk->width, 1);
 583     coords[3] = WINHEIGHT;
 584
 585     XChangeProperty(dd, tk->win,
 586                     atoms[_NET_WM_ICON_GEOMETRY], XA_CARDINAL,
 587                     32, PropModeReplace, (unsigned char*) &coords, 4);
 588 }
 589
 590
 591 #ifdef PAGER
 592
 593 static void switch_desk(int new_desk, Time time)
 594 {
 595     if (get_number_of_desktops() <= new_desk)
 596         return;
 597
 598     netwm_action(None, _NET_CURRENT_DESKTOP, time, new_desk);
 599 }
 600
 601 /* This doesn't work with obrender yet */
 602 static void pager_draw_button(int x, int num)
 603 {
 604     char label;
 605 #ifdef XFT
 606     XftColor col;
 607 #endif
 608
 609     if (num == tb.my_desktop) {
 610         /* current desktop */
 611         draw_box(x, PAGER_BUTTON_WIDTH);
 612     } else {
 613         set_foreground(0);
 614         fill_rect(x, 1, PAGER_BUTTON_WIDTH + 1, WINHEIGHT - 2);
 615     }
 616
 617     label = '1' + num;
 618
 619 #ifdef XFT
 620     col.color.alpha = 0xffff;
 621     col.color.red = cols[5].red;
 622     col.color.green = cols[5].green;
 623     col.color.blue = cols[5].blue;
 624     XftDrawString8(xftdraw, &col, xfs,
 625                    x + ((PAGER_BUTTON_WIDTH - PAGER_DIGIT_WIDTH) / 2), text_y,
 626                    &label, 1);
 627 #else
 628     set_foreground(5);
 629     XDrawString(dd, tb.win, fore_gc,
 630                 x + ((PAGER_BUTTON_WIDTH - PAGER_DIGIT_WIDTH) / 2) - 1,
 631                 text_y, &label, 1);
 632 #endif
 633 }
 634
 635 static void pager_draw(void)
 636 {
 637     int desks, i, x = GRILL_WIDTH;
 638
 639     desks = get_number_of_desktops();
 640
 641     for (i = 0; i < desks; i++) {
 642         pager_draw_button(x, i);
 643         if (i > 8)
 644             break;
 645         x += PAGER_BUTTON_WIDTH;
 646     }
 647
 648     pager_size = x;
 649 }
 650
 651 #endif
 652
 653 static void gui_draw_taskbar(void)
 654 {
 655     task *tk;
 656     int x, width, taskw;
 657
 658 #ifdef PAGER
 659     pager_draw();
 660 #else
 661     pager_size = TEXTPAD;
 662 #endif
 663
 664     x = pager_size + 2;
 665     width = WINWIDTH - (pager_size + GRILL_WIDTH);
 666 #warning only rerender if width changed!
 667     if (bgpixmap) XFreePixmap(dd, bgpixmap);
 668     bgpixmap = XCreatePixmap(dd, root_win, WINWIDTH, WINHEIGHT, RrDepth(inst));
 669
 670     XFreePixmap(dd, RrPaintPixmap(background, WINWIDTH, WINHEIGHT));
 671     XCopyArea(dd, background->pixmap, bgpixmap, fore_gc, 0, 0, WINWIDTH, WINHEIGHT, 0, 0);
 672     if (tb.num_tasks == 0)
 673         goto clear;
 674
 675     taskw = width / tb.num_tasks;
 676     if (taskw > MAX_TASK_WIDTH)
 677         taskw = MAX_TASK_WIDTH;
 678
 679     tk = tb.task_list;
 680     while (tk) {
 681         tk->pos_x = x;
 682         tk->width = taskw - 1;
 683         gui_draw_task(tk, FALSE);
 684         set_icon_geometry(tk);
 685         x += taskw;
 686         tk = tk->next;
 687     }
 688
 689 clear:
 690     XSetWindowBackgroundPixmap(dd, tb.win, bgpixmap);
 691     XClearWindow(dd, tb.win);
 692 }
 693
 694 static task *find_task(Window win)
 695 {
 696     task *list = tb.task_list;
 697     while (list) {
 698         if (list->win == win)
 699             return list;
 700         list = list->next;
 701     }
 702     return 0;
 703 }
 704
 705 static void del_task(Window win)
 706 {
 707     task *next, *prev = 0, *list = tb.task_list;
 708
 709     while (list) {
 710         next = list->next;
 711         if (list->win == win) {
 712             /* unlink and free this task */
 713             tb.num_tasks--;
 714             free_icons(list);
 715             if (list->name)
 716                 XFree(list->name);
 717             free(list);
 718             if (prev == 0)
 719                 tb.task_list = next;
 720             else
 721                 prev->next = next;
 722             return;
 723         }
 724         prev = list;
 725         list = next;
 726     }
 727 }
 728
 729 static void move_taskbar(void)
 730 {
 731     tb.x = tb.y = 0;
 732
 733     if (tb.hidden)
 734         tb.x = TEXTPAD - WINWIDTH;
 735
 736     if (!tb.at_top)
 737         tb.y = scr_height - WINHEIGHT;
 738
 739     XMoveWindow(dd, tb.win, tb.x, tb.y);
 740 }
 741
 742 static void taskbar_read_clientlist(void)
 743 {
 744     Window *win, focus_win = 0;
 745     int num, i, desk, new_desk = 0;
 746     task *list, *next;
 747     desk = get_current_desktop();
 748
 749 #ifdef MIKACHU
 750     if (desk == 0)
 751         WINWIDTH = 827;
 752     else
 753         WINWIDTH = 1280;
 754
 755     XResizeWindow(dd, rspanelwin, WINWIDTH, WINHEIGHT);
 756 #endif
 757
 758     if (desk != tb.my_desktop) {
 759         new_desk = 1;
 760         tb.my_desktop = desk;
 761     }
 762
 763     win = get_prop_data(root_win, atoms[_NET_ACTIVE_WINDOW], XA_WINDOW, &num);
 764     if (win && num > 0) {
 765         focus_win = win[0];
 766         XFree(win);
 767     }
 768
 769     win = get_prop_data(root_win, atoms[_NET_CLIENT_LIST], XA_WINDOW, &num);
 770     if (!win)
 771         return;
 772
 773     /* remove windows that arn't in the _NET_CLIENT_LIST anymore */
 774     list = tb.task_list;
 775     while (list) {
 776         list->focused = (focus_win == list->win);
 777         next = list->next;
 778
 779         if (!new_desk)
 780             for (i = num - 1; i >= 0; i--)
 781                 if (list->win == win[i] && !is_hidden(win[i]))
 782                     goto dontdel;
 783         del_task(list->win);
 784 dontdel:
 785
 786         list = next;
 787     }
 788
 789     /* add any new windows */
 790     for (i = 0; i < num; i++) {
 791         if (!find_task(win[i]))
 792             add_task(win[i], (win[i] == focus_win));
 793     }
 794
 795     XFree(win);
 796 }
 797
 798 static void handle_press(int x, int y, int button, Time time)
 799 {
 800     task *tk;
 801
 802 #ifdef PAGER
 803     if ((y > 2 && y < WINHEIGHT - 2 && x > GRILL_WIDTH) && button == 1)
 804         switch_desk((x - GRILL_WIDTH) / PAGER_BUTTON_WIDTH, time);
 805     else
 806 #endif
 807     /* clicked left grill */
 808     if (x < 6) {
 809         if (button == 1) {
 810             tb.at_top = 1 - tb.at_top;
 811             move_taskbar();
 812         } else if (button == 4) {
 813             tb.hidden = 1;
 814             move_taskbar();
 815         }
 816     }
 817
 818     /* clicked right grill */
 819     else if (x + TEXTPAD > WINWIDTH) {
 820         if (tb.hidden && (button == 1 || button == 5)) {
 821             tb.hidden = 0;
 822             move_taskbar();
 823         } else if (!tb.hidden && (button == 1 || button == 4)) {
 824             tb.hidden = 1;
 825             move_taskbar();
 826         }
 827     } else {
 828         tk = tb.task_list;
 829         while (tk) {
 830             /* clicked on a task button */
 831             /* XXX Make this configureable */
 832             if (x > tk->pos_x && x < tk->pos_x + tk->width) {
 833                 switch (button) {
 834                     case 1:
 835                         netwm_action(tk->win, _NET_ACTIVE_WINDOW, time, 0);
 836                         break;
 837                     case 2:
 838                         if (tk->iconified)
 839                             netwm_action(tk->win, _NET_WM_STATE_HIDDEN, time, REMOVE);
 840                         else
 841                             netwm_action(tk->win, _NET_WM_STATE_HIDDEN, time, ADD);
 842                         break;
 843                     case 3:
 844                         netwm_action(tk->win, _NET_RESTACK_WINDOW, time, Opposite);
 845                         break;
 846                     case 4:
 847                         if (is_shaded(tk->win))
 848                                 netwm_action(tk->win, _NET_RESTACK_WINDOW, time, Below);
 849                         else
 850                                 netwm_action(tk->win, _NET_WM_STATE_SHADED, time, ADD);
 851                         break;
 852                     case 5:
 853                         if (is_shaded(tk->win))
 854                             netwm_action(tk->win, _NET_WM_STATE_SHADED, time, REMOVE);
 855                         else
 856                                 netwm_action(tk->win, _NET_RESTACK_WINDOW, time, Above);
 857                         break;
 858                     case 9:
 859                         if (tk->iconified)
 860                             netwm_action(tk->win, _NET_WM_STATE_HIDDEN, time, REMOVE);
 861                         else
 862                             netwm_action(tk->win, _OB_FOCUS, 0, 0);
 863                         break;
 864                     case 6:
 865                         netwm_action(tk->win, _NET_RESTACK_WINDOW, time, Below);
 866                         break;
 867                     case 7:
 868                         netwm_action(tk->win, _NET_RESTACK_WINDOW, time, Above);
 869                         break;
 870                 }
 871                 return;
 872             }
 873             tk = tk->next;
 874         } /* clicked on the background */
 875         switch (button) {
 876             case 1:
 877                 netwm_action(tb.win, _NET_RESTACK_WINDOW, time, Above);
 878                 break;
 879             case 2:
 880                 netwm_action(tb.win, _NET_RESTACK_WINDOW, time, Below);
 881                 break;
 882             case 3:
 883                 netwm_action(tb.win, _NET_RESTACK_WINDOW, time, Opposite);
 884                 break;
 885             case 4:
 886                 tb.hidden = 1;
 887                 move_taskbar();
 888                 break;
 889             case 5:
 890                 tb.hidden = 0;
 891                 move_taskbar();
 892                 break;
 893         }
 894     }
 895 }
 896
 897 #if 0
 898 static void handle_focusin(Window win)
 899 {
 900     task *tk;
 901
 902     tk = tb.task_list;
 903     while (tk) {
 904         if (tk->focused) {
 905             if (tk->win != win) {
 906                 tk->focused = 0;
 907                 gui_draw_task(tk);
 908             }
 909         } else {
 910             if (tk->win == win) {
 911                 tk->focused = 1;
 912                 gui_draw_task(tk);
 913             }
 914         }
 915         tk = tk->next;
 916     }
 917 }
 918 #endif
 919
 920 static Bool look_for_duplicate_property(Display *d, XEvent *e, XPointer arg)
 921 {
 922     Atom at = *(Atom*)arg;
 923     return (e->type == PropertyNotify && e->xproperty.atom == at);
 924 }
 925
 926 static void handle_propertynotify(Window win, Atom at)
 927 {
 928     task *tk;
 929
 930     if (win == root_win) {
 931         /* XXX only redraw the task that got focused/unfocused
 932          * when _NET_ACTIVE_WINDOW triggers this */
 933         if (at == atoms[_NET_CLIENT_LIST] || at == atoms[_NET_CURRENT_DESKTOP]
 934             || at == atoms[_NET_ACTIVE_WINDOW])
 935         {
 936             XEvent ce;
 937             Atom check;
 938
 939             check = atoms[_NET_CLIENT_LIST];
 940             while (XCheckIfEvent(dd, &ce, look_for_duplicate_property, (XPointer)&check));
 941             check = atoms[_NET_CURRENT_DESKTOP];
 942             while (XCheckIfEvent(dd, &ce, look_for_duplicate_property, (XPointer)&check));
 943             check = atoms[_NET_ACTIVE_WINDOW];
 944             while (XCheckIfEvent(dd, &ce, look_for_duplicate_property, (XPointer)&check));
 945
 946             taskbar_read_clientlist();
 947             gui_draw_taskbar();
 948         }
 949         return;
 950     }
 951
 952     /* XXX make this work when SKIP_TASKBAR is toggled too */
 953     tk = find_task(win);
 954     if (!tk)
 955         return;
 956
 957     if (at == XA_WM_NAME || at == atoms[_NET_WM_NAME]) {
 958         /* window's title changed */
 959         /* XXX make a function for this and use from here and add_task */
 960         char *newname;
 961         newname = get_prop_data(tk->win, atoms[_NET_WM_NAME], atoms[STRING_UTF8], 0) ?:
 962                   get_prop_data(tk->win, XA_WM_NAME, XA_STRING, 0);
 963         if (newname) {
 964             /* It didn't change */
 965             if (tk->name && !strcmp(newname, tk->name)) {
 966                 XFree(newname);
 967                 return;
 968             }
 969         }
 970         if (tk->name)
 971             XFree(tk->name);
 972         tk->name = newname;
 973         gui_draw_task(tk, TRUE);
 974     } else if (at == atoms[_NET_WM_ICON]) {
 975         task_update_icon(tk);
 976         gui_draw_task(tk, TRUE);
 977     } else if (at == atoms[_NET_WM_STATE]) {
 978         /* iconified state changed? */
 979         if (is_iconified(tk->win) != tk->iconified) {
 980             tk->iconified = !tk->iconified;
 981             gui_draw_task(tk, TRUE);
 982         }
 983         /* shaded state changed? */
 984         if (is_shaded(tk->win) != tk->shaded) {
 985             tk->shaded = !tk->shaded;
 986             gui_draw_task(tk, TRUE);
 987         }
 988     } else if (at == atoms[_NET_WM_DESKTOP]) {
 989         if (find_desktop(win) != get_current_desktop())
 990             del_task(tk->win);
 991     }
 992 }
 993
 994 static void handle_error(Display * d, XErrorEvent * ev)
 995 {
 996 }
 997
 998 int
 999 #ifdef NOSTDLIB
1000 _start(void)
1001 #else
1002 main(int argc, char *argv[])
1003 #endif
1004 {
1005     XEvent ev;
1006     fd_set fd;
1007     int xfd;
1008
1009     dd = XOpenDisplay(NULL);
1010     if (!dd)
1011         return 0;
1012     scr_screen = DefaultScreen(dd);
1013     scr_depth = DefaultDepth(dd, scr_screen);
1014     scr_height = DisplayHeight(dd, scr_screen);
1015     scr_width = DisplayWidth(dd, scr_screen);
1016     root_win = RootWindow(dd, scr_screen);
1017
1018     /* helps us catch windows closing/opening */
1019     XSelectInput(dd, root_win, PropertyChangeMask);
1020
1021     XSetErrorHandler((XErrorHandler) handle_error);
1022
1023     XInternAtoms(dd, atom_names, ATOM_COUNT, False, atoms);
1024
1025     gui_init();
1026     memset(&tb, 0, sizeof(tb));
1027     tb.win = gui_create_taskbar();
1028     xfd = ConnectionNumber(dd);
1029     XSync(dd, False);
1030     taskbar_read_clientlist();
1031     gui_draw_taskbar();
1032
1033     while (1) {
1034         FD_ZERO(&fd);
1035         FD_SET(xfd, &fd);
1036         select(xfd + 1, &fd, 0, 0, 0);
1037
1038         while (XPending(dd)) {
1039             XNextEvent(dd, &ev);
1040             switch (ev.type) {
1041             case ButtonPress:
1042                 handle_press(ev.xbutton.x, ev.xbutton.y, ev.xbutton.button, ev.xbutton.time);
1043                 break;
1044             case PropertyNotify:
1045                 handle_propertynotify(ev.xproperty.window, ev.xproperty.atom);
1046                 break;
1047             /*default:
1048                    printf ("unknown evt type: %d\n", ev.type); */
1049             }
1050         }
1051     }
1052     /* RrInstanceFree(inst);
1053      * XCloseDisplay (dd);
1054
1055        return 0; */
1056 }
1057