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))
 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     tk->hidden = is_hidden(win);
 328     task_update_icon(tk);
 329
 330     /* now append it to our linked list */
 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 #define SURF(x) with->surface.x
 403 #define TEXT(x) with->texture[0].data.text.x
 404 #define USE(x) (with = x)
 405 #define SETTEXT(x, y, z) with->texture[0].type = RR_TEXTURE_TEXT; \
 406                          with->texture[0].data.text.font = x; \
 407                          with->texture[0].data.text.justify = y; \
 408                          with->texture[0].data.text.ellipsize = z;
 409 #define SETSHADOW(y, z, u, v) with->texture[0].data.text.shadow_offset_x = y; \
 410                               with->texture[0].data.text.shadow_offset_y = z; \
 411                               with->texture[0].data.text.shadow_alpha = u; \
 412                               with->texture[0].data.text.shadow_color = v;
 413 static void gui_init(void)
 414 {
 415     XGCValues gcv;
 416     RrAppearance *with;
 417
 418     gcv.graphics_exposures = False;
 419
 420     fore_gc = XCreateGC(dd, root_win, GCGraphicsExposures, &gcv);
 421
 422     inst = RrInstanceNew(dd, scr_screen);
 423
 424     /* this appearance will be used to draw icons, we don't
 425      * set the type of the texture to RGBA here, because we toggle
 426      * that so obrender doesn't try to draw an icon when the app
 427      * doesn't have one */
 428     /* XXX don't do that */
 429     a_icon = RrAppearanceNew(inst, 1);
 430     USE(a_icon);
 431     SURF(grad) = RR_SURFACE_PARENTREL;
 432
 433     /* this is the appearance for the background of the panel */
 434     background = RrAppearanceNew(inst, 0);
 435     USE(background);
 436     SURF(grad) = RR_SURFACE_DIAGONAL;
 437     SURF(primary) = RrColorNew(inst, 170, 170, 190);
 438     SURF(secondary) = RrColorNew(inst, 100, 100, 160);
 439
 440     /* this is the appearance for unfocused tasks,
 441      * text needs to be separate appearances so we can align it correctly */
 442     unfocused_task = RrAppearanceNew(inst, 0);
 443     USE(unfocused_task);
 444     SURF(parent) = background;
 445     SURF(grad) = RR_SURFACE_PARENTREL;
 446     SURF(border) = TRUE;
 447     SURF(border_color) = RrColorNew(inst, 0, 0, 80);
 448
 449     /* ... for iconified tasks, also used for shaded ones currently */
 450     iconified_task = RrAppearanceCopy(unfocused_task);
 451     USE(iconified_task);
 452     SURF(relief) = RR_RELIEF_SUNKEN;
 453     SURF(parent) = background;
 454
 455     /* ... for focused tasks */
 456     focused_task = RrAppearanceNew(inst, 0);
 457     USE(focused_task);
 458     SURF(grad) = RR_SURFACE_CROSS_DIAGONAL;
 459     SURF(secondary) = RrColorNew(inst, 70, 80, 110);
 460     SURF(primary) = RrColorNew(inst, 130, 160, 250);
 461     SURF(relief) = RR_RELIEF_RAISED;
 462
 463     /* this is the text used for all normal unfocused tasks */
 464     normal_text = RrAppearanceNew(inst, 1);
 465     USE(normal_text);
 466     SURF(grad) = RR_SURFACE_PARENTREL;
 467     SETTEXT(RrFontOpen(inst, "Candara, sans", 10, RR_FONTWEIGHT_NORMAL, RR_FONTSLANT_NORMAL),
 468             RR_JUSTIFY_LEFT, RR_ELLIPSIZE_END);
 469
 470     /* ... for iconified tasks */
 471     iconified_text = RrAppearanceCopy(normal_text);
 472     /* ... and for focused tasks, we copy this here (ie not 5 lines down)
 473      * so the color isn't copied i actually don't know if that would
 474      * hurt so XXX on that */
 475     focused_text = RrAppearanceCopy(normal_text);
 476     USE(focused_text);
 477     TEXT(color) = RrColorNew(inst, 230, 230, 255);
 478
 479     USE(normal_text);
 480     TEXT(color) = RrColorNew(inst, 20, 20, 40);
 481
 482     USE(iconified_text);
 483     SETSHADOW(2, 2, 100, RrColorNew(inst, 0, 0, 0));
 484     TEXT(color) = RrColorNew(inst, 200, 200, 200);
 485
 486     shaded_text = RrAppearanceCopy(normal_text);
 487     USE(shaded_text);
 488     TEXT(color) = RrColorNew(inst, 50, 60, 90);
 489 }
 490
 491 const icon* best_task_icon(task *tk, gint w, gint h)
 492 {
 493     static icon deficon;
 494     guint i;
 495     gulong min_diff, min_i;
 496
 497     min_diff = ABS(tk->icons[0].width - w) + ABS(tk->icons[0].height - h);
 498     min_i = 0;
 499
 500     for (i = 1; i < tk->nicons; ++i) {
 501         gulong diff;
 502
 503         diff = ABS(tk->icons[i].width - w) + ABS(tk->icons[i].height - h);
 504         if (diff < min_diff) {
 505             min_diff = diff;
 506             min_i = i;
 507         }
 508     }
 509     return &tk->icons[min_i];
 510 }
 511
 512 #define PADDING 2
 513 #define ICON_SIZE WINHEIGHT-2*PADDING
 514 static void gui_draw_task(task *tk, int redraw)
 515 {
 516     RrAppearance *a;
 517     RrAppearance *b;
 518     const icon *i;
 519
 520     if (tk->iconified)
 521         b = iconified_task;
 522     else if (tk->focused)
 523         b = focused_task;
 524     else if (tk->shaded)
 525         b = iconified_task;
 526     else
 527         b = unfocused_task;
 528
 529     if (tk->iconified)
 530         a = iconified_text;
 531     else if (tk->shaded)
 532         a = shaded_text;
 533     else if (tk->focused)
 534         a = focused_text;
 535     else
 536         a = normal_text;
 537
 538     i = best_task_icon(tk, ICON_SIZE, ICON_SIZE);
 539
 540     if (i) {
 541         RrTexture *c = &a_icon->texture[0];
 542         RrTextureRGBA *d = &c->data.rgba;
 543         c->type = RR_TEXTURE_RGBA;
 544         a_icon->surface.parent = b;
 545         a_icon->surface.parentx = PADDING;
 546         a_icon->surface.parenty = PADDING;
 547         d->width = i->width;
 548         d->height = i->height;
 549         d->alpha = tk->iconified ? 0x80 : tk->shaded ? 0xB0 : 0xff;
 550         d->data = i->data;
 551     }
 552
 553     a->surface.parent = b;
 554     a->surface.parentx = ICON_SIZE+2*PADDING;
 555     a->texture[0].data.text.string = tk->name;
 556     b->surface.parentx = tk->pos_x;
 557
 558     RrPaintPixmap(b, tk->width, WINHEIGHT);
 559     RrPaintPixmap(a, tk->width-3*PADDING-ICON_SIZE, WINHEIGHT);
 560     RrPaintPixmap(a_icon, ICON_SIZE, ICON_SIZE);
 561
 562     XCopyArea(dd, a_icon->pixmap, b->pixmap, fore_gc, 0, 0,
 563               ICON_SIZE, ICON_SIZE, PADDING, PADDING);
 564     XCopyArea(dd, a->pixmap, b->pixmap, fore_gc, 0, 0,
 565               tk->width-3*PADDING-ICON_SIZE, WINHEIGHT, ICON_SIZE+2*PADDING, 0);
 566     XCopyArea(dd, b->pixmap, bgpixmap, fore_gc, 0, 0,
 567               tk->width, WINHEIGHT, tk->pos_x, 0);
 568
 569     a_icon->texture[1].type = RR_TEXTURE_NONE;
 570     XFreePixmap(dd, a->pixmap);
 571     XFreePixmap(dd, b->pixmap);
 572     XFreePixmap(dd, a_icon->pixmap);
 573     if (redraw) {
 574         XSetWindowBackgroundPixmap(dd, tb.win, bgpixmap);
 575         XClearWindow(dd, tb.win);
 576     }
 577 }
 578
 579 static void netwm_action(Window win, atom_t atom, Time time, long l)
 580 {
 581     XClientMessageEvent xev = {
 582     .type = ClientMessage,
 583     .window = win,
 584     .format = 32,
 585     .data.l = {0},
 586     .message_type = atoms[atom]
 587     };
 588
 589     if (atom == _NET_ACTIVE_WINDOW) {
 590         xev.data.l[0] = 2;
 591         xev.data.l[1] = time;
 592         xev.data.l[2] = 0;
 593     } else if (atom == _NET_CURRENT_DESKTOP) {
 594         xev.data.l[0] = l;
 595         xev.data.l[1] = time;
 596     } else if (atom == _NET_RESTACK_WINDOW) {
 597         xev.data.l[0] = 2;
 598         xev.data.l[2] = l;
 599     } else if (atom == _OB_FOCUS) {
 600     } else {
 601         xev.message_type = atoms[_NET_WM_STATE];
 602         xev.data.l[0] = l;
 603         xev.data.l[1] = atoms[atom];
 604         xev.data.l[3] = 2;
 605     }
 606
 607     XSendEvent(dd, root_win, False, SubstructureNotifyMask
 608                |SubstructureRedirectMask, (XEvent *)&xev);
 609 }
 610
 611 static void set_icon_geometry(task *tk)
 612 {
 613     long coords[4];
 614
 615     coords[0] = tb.x + tk->pos_x;
 616     coords[1] = tb.y;
 617     coords[2] = MAX(tk->width, 1);
 618     coords[3] = WINHEIGHT;
 619
 620     XChangeProperty(dd, tk->win,
 621                     atoms[_NET_WM_ICON_GEOMETRY], XA_CARDINAL,
 622                     32, PropModeReplace, (unsigned char*) &coords, 4);
 623 }
 624
 625
 626 #ifdef PAGER
 627
 628 static void switch_desk(int new_desk, Time time)
 629 {
 630     if (get_number_of_desktops() <= new_desk)
 631         return;
 632
 633     netwm_action(None, _NET_CURRENT_DESKTOP, time, new_desk);
 634 }
 635
 636 /* This doesn't work with obrender yet */
 637 static void pager_draw_button(int x, int num)
 638 {
 639     char label;
 640 #ifdef XFT
 641     XftColor col;
 642 #endif
 643
 644     if (num == tb.my_desktop) {
 645         /* current desktop */
 646         draw_box(x, PAGER_BUTTON_WIDTH);
 647     } else {
 648         set_foreground(0);
 649         fill_rect(x, 1, PAGER_BUTTON_WIDTH + 1, WINHEIGHT - 2);
 650     }
 651
 652     label = '1' + num;
 653
 654 #ifdef XFT
 655     col.color.alpha = 0xffff;
 656     col.color.red = cols[5].red;
 657     col.color.green = cols[5].green;
 658     col.color.blue = cols[5].blue;
 659     XftDrawString8(xftdraw, &col, xfs,
 660                    x + ((PAGER_BUTTON_WIDTH - PAGER_DIGIT_WIDTH) / 2), text_y,
 661                    &label, 1);
 662 #else
 663     set_foreground(5);
 664     XDrawString(dd, tb.win, fore_gc,
 665                 x + ((PAGER_BUTTON_WIDTH - PAGER_DIGIT_WIDTH) / 2) - 1,
 666                 text_y, &label, 1);
 667 #endif
 668 }
 669
 670 static void pager_draw(void)
 671 {
 672     int desks, i, x = GRILL_WIDTH;
 673
 674     desks = get_number_of_desktops();
 675
 676     for (i = 0; i < desks; i++) {
 677         pager_draw_button(x, i);
 678         if (i > 8)
 679             break;
 680         x += PAGER_BUTTON_WIDTH;
 681     }
 682
 683     pager_size = x;
 684 }
 685
 686 #endif
 687
 688 static inline int dont_show_task(task *tk)
 689 {
 690     return !tk->focused && tk->hidden;
 691 }
 692
 693 static void gui_draw_taskbar(void)
 694 {
 695     task *tk;
 696     int x, width, taskw;
 697     int num_tasks = 0;
 698
 699 #ifdef PAGER
 700     pager_draw();
 701 #else
 702     pager_size = TEXTPAD;
 703 #endif
 704
 705     x = pager_size + 2;
 706     width = WINWIDTH - (pager_size + GRILL_WIDTH);
 707 #warning only rerender if width changed!
 708     if (bgpixmap) XFreePixmap(dd, bgpixmap);
 709     bgpixmap = XCreatePixmap(dd, root_win, WINWIDTH, WINHEIGHT, RrDepth(inst));
 710
 711     XFreePixmap(dd, RrPaintPixmap(background, WINWIDTH, WINHEIGHT));
 712     XCopyArea(dd, background->pixmap, bgpixmap, fore_gc, 0, 0, WINWIDTH, WINHEIGHT, 0, 0);
 713
 714     /* find the number of visible tasks */
 715     for (tk = tb.task_list; tk; tk = tk->next) {
 716         if (dont_show_task(tk))
 717             continue;
 718         num_tasks++;
 719     }
 720
 721     if (num_tasks == 0)
 722         goto clear;
 723
 724     taskw = width / num_tasks;
 725     if (taskw > MAX_TASK_WIDTH)
 726         taskw = MAX_TASK_WIDTH;
 727
 728     for (tk = tb.task_list; tk; tk = tk->next) {
 729         if (dont_show_task(tk))
 730             continue;
 731         tk->pos_x = x;
 732         tk->width = taskw - 1;
 733         gui_draw_task(tk, FALSE);
 734         set_icon_geometry(tk);
 735         x += taskw;
 736     }
 737
 738 clear:
 739     XSetWindowBackgroundPixmap(dd, tb.win, bgpixmap);
 740     XClearWindow(dd, tb.win);
 741 }
 742
 743 static task *find_task(Window win)
 744 {
 745     task *list = tb.task_list;
 746     while (list) {
 747         if (list->win == win)
 748             return list;
 749         list = list->next;
 750     }
 751     return 0;
 752 }
 753
 754 static void del_task(Window win)
 755 {
 756     task *next, *prev = 0, *list = tb.task_list;
 757
 758     while (list) {
 759         next = list->next;
 760         if (list->win == win) {
 761             /* unlink and free this task */
 762             free_icons(list);
 763             if (list->name)
 764                 XFree(list->name);
 765             free(list);
 766             if (prev == 0)
 767                 tb.task_list = next;
 768             else
 769                 prev->next = next;
 770             return;
 771         }
 772         prev = list;
 773         list = next;
 774     }
 775 }
 776
 777 static void move_taskbar(void)
 778 {
 779     tb.x = tb.y = 0;
 780
 781     if (tb.hidden)
 782         tb.x = TEXTPAD - WINWIDTH;
 783
 784     if (!tb.at_top)
 785         tb.y = scr_height - WINHEIGHT;
 786
 787     XMoveWindow(dd, tb.win, tb.x, tb.y);
 788 }
 789
 790 static void taskbar_read_clientlist(void)
 791 {
 792     Window *win, focus_win = 0;
 793     int num, i, desk, new_desk = 0;
 794     task *list, *next;
 795     desk = get_current_desktop();
 796
 797 #ifdef MIKACHU
 798     if (desk == 0)
 799         WINWIDTH = 827;
 800     else
 801         WINWIDTH = 1280;
 802
 803     XResizeWindow(dd, rspanelwin, WINWIDTH, WINHEIGHT);
 804 #endif
 805
 806     if (desk != tb.my_desktop) {
 807         new_desk = 1;
 808         tb.my_desktop = desk;
 809     }
 810
 811     win = get_prop_data(root_win, atoms[_NET_ACTIVE_WINDOW], XA_WINDOW, &num);
 812     if (win && num > 0) {
 813         focus_win = win[0];
 814         XFree(win);
 815     }
 816
 817     win = get_prop_data(root_win, atoms[_NET_CLIENT_LIST], XA_WINDOW, &num);
 818     if (!win)
 819         return;
 820
 821     /* remove windows that arn't in the _NET_CLIENT_LIST anymore */
 822     list = tb.task_list;
 823     while (list) {
 824         list->focused = (focus_win == list->win);
 825         next = list->next;
 826
 827         if (!new_desk)
 828             for (i = num - 1; i >= 0; i--)
 829                 if (list->win == win[i])
 830                     goto dontdel;
 831         del_task(list->win);
 832 dontdel:
 833
 834         list = next;
 835     }
 836
 837     /* add any new windows */
 838     for (i = 0; i < num; i++) {
 839         if (!find_task(win[i]))
 840             add_task(win[i], (win[i] == focus_win));
 841     }
 842
 843     XFree(win);
 844 }
 845
 846 static void handle_press(int x, int y, int button, Time time)
 847 {
 848     task *tk;
 849
 850 #ifdef PAGER
 851     if ((y > 2 && y < WINHEIGHT - 2 && x > GRILL_WIDTH) && button == 1)
 852         switch_desk((x - GRILL_WIDTH) / PAGER_BUTTON_WIDTH, time);
 853     else
 854 #endif
 855     /* clicked left grill */
 856     if (x < 6) {
 857         if (button == 1) {
 858             tb.at_top = 1 - tb.at_top;
 859             move_taskbar();
 860         } else if (button == 4) {
 861             tb.hidden = 1;
 862             move_taskbar();
 863         }
 864     }
 865
 866     /* clicked right grill */
 867     else if (x + TEXTPAD > WINWIDTH) {
 868         if (tb.hidden && (button == 1 || button == 5)) {
 869             tb.hidden = 0;
 870             move_taskbar();
 871         } else if (!tb.hidden && (button == 1 || button == 4)) {
 872             tb.hidden = 1;
 873             move_taskbar();
 874         }
 875     } else {
 876         tk = tb.task_list;
 877         while (tk) {
 878             /* clicked on a task button */
 879             /* XXX Make this configureable */
 880             if (!dont_show_task(tk)
 881                 && (x > tk->pos_x && x < tk->pos_x + tk->width))
 882             {
 883                 switch (button) {
 884                 case 1:
 885                     netwm_action(tk->win, _NET_ACTIVE_WINDOW, time, 0);
 886                     break;
 887                 case 2:
 888                     if (tk->iconified)
 889                         netwm_action(tk->win, _NET_WM_STATE_HIDDEN, time, REMOVE);
 890                     else
 891                         netwm_action(tk->win, _NET_WM_STATE_HIDDEN, time, ADD);
 892                     break;
 893                 case 3:
 894                     netwm_action(tk->win, _NET_RESTACK_WINDOW, time, Opposite);
 895                     break;
 896                 case 4:
 897                     if (is_shaded(tk->win))
 898                             netwm_action(tk->win, _NET_RESTACK_WINDOW, time, Below);
 899                     else
 900                             netwm_action(tk->win, _NET_WM_STATE_SHADED, time, ADD);
 901                     break;
 902                 case 5:
 903                     if (is_shaded(tk->win))
 904                         netwm_action(tk->win, _NET_WM_STATE_SHADED, time, REMOVE);
 905                     else
 906                             netwm_action(tk->win, _NET_RESTACK_WINDOW, time, Above);
 907                     break;
 908                 case 9:
 909                     if (tk->iconified)
 910                         netwm_action(tk->win, _NET_WM_STATE_HIDDEN, time, REMOVE);
 911                     else
 912                         netwm_action(tk->win, _OB_FOCUS, 0, 0);
 913                     break;
 914                 case 6:
 915                     netwm_action(tk->win, _NET_RESTACK_WINDOW, time, Below);
 916                     break;
 917                 case 7:
 918                     netwm_action(tk->win, _NET_RESTACK_WINDOW, time, Above);
 919                     break;
 920                 }
 921                 return;
 922             }
 923             tk = tk->next;
 924         } /* clicked on the background */
 925         switch (button) {
 926         case 1:
 927             netwm_action(tb.win, _NET_RESTACK_WINDOW, time, Above);
 928             break;
 929         case 2:
 930             netwm_action(tb.win, _NET_RESTACK_WINDOW, time, Below);
 931             break;
 932         case 3:
 933             netwm_action(tb.win, _NET_RESTACK_WINDOW, time, Opposite);
 934             break;
 935         case 4:
 936             tb.hidden = 1;
 937             move_taskbar();
 938             break;
 939         case 5:
 940             tb.hidden = 0;
 941             move_taskbar();
 942             break;
 943         }
 944     }
 945 }
 946
 947 #if 0
 948 static void handle_focusin(Window win)
 949 {
 950     task *tk;
 951
 952     tk = tb.task_list;
 953     while (tk) {
 954         if (tk->focused) {
 955             if (tk->win != win) {
 956                 tk->focused = 0;
 957                 gui_draw_task(tk);
 958             }
 959         } else {
 960             if (tk->win == win) {
 961                 tk->focused = 1;
 962                 gui_draw_task(tk);
 963             }
 964         }
 965         tk = tk->next;
 966     }
 967 }
 968 #endif
 969
 970 static Bool look_for_duplicate_property(Display *d, XEvent *e, XPointer arg)
 971 {
 972     Atom at = *(Atom*)arg;
 973     return (e->type == PropertyNotify && e->xproperty.atom == at);
 974 }
 975
 976 static void handle_propertynotify(Window win, Atom at)
 977 {
 978     task *tk;
 979
 980     if (win == root_win) {
 981         /* XXX only redraw the task that got focused/unfocused
 982          * when _NET_ACTIVE_WINDOW triggers this,
 983          * redraw everything if that task was hidden before though */
 984         if (at == atoms[_NET_CLIENT_LIST] || at == atoms[_NET_CURRENT_DESKTOP]
 985             || at == atoms[_NET_ACTIVE_WINDOW])
 986         {
 987             XEvent ce;
 988             Atom check;
 989
 990             check = atoms[_NET_CLIENT_LIST];
 991             while (XCheckIfEvent(dd, &ce, look_for_duplicate_property, (XPointer)&check));
 992             check = atoms[_NET_CURRENT_DESKTOP];
 993             while (XCheckIfEvent(dd, &ce, look_for_duplicate_property, (XPointer)&check));
 994             check = atoms[_NET_ACTIVE_WINDOW];
 995             while (XCheckIfEvent(dd, &ce, look_for_duplicate_property, (XPointer)&check));
 996
 997             taskbar_read_clientlist();
 998             gui_draw_taskbar();
 999         }
1000         return;
1001     }
1002
1003     /* XXX make this work when SKIP_TASKBAR is toggled too */
1004     /* show skip_taskbar tasks if they're focused */
1005     tk = find_task(win);
1006     if (!tk)
1007         return;
1008
1009     if (at == XA_WM_NAME || at == atoms[_NET_WM_NAME]) {
1010         /* window's title changed */
1011         /* XXX make a function for this and use from here and add_task */
1012         char *newname;
1013         newname = get_prop_data(tk->win, atoms[_NET_WM_NAME], atoms[STRING_UTF8], 0) ?:
1014                   get_prop_data(tk->win, XA_WM_NAME, XA_STRING, 0);
1015         if (newname) {
1016             /* It didn't change */
1017             if (tk->name && !strcmp(newname, tk->name)) {
1018                 XFree(newname);
1019                 return;
1020             }
1021         }
1022         if (tk->name)
1023             XFree(tk->name);
1024         tk->name = newname;
1025         gui_draw_task(tk, TRUE);
1026     } else if (at == atoms[_NET_WM_ICON]) {
1027         task_update_icon(tk);
1028         gui_draw_task(tk, TRUE);
1029     } else if (at == atoms[_NET_WM_STATE]) {
1030         /* iconified state changed? */
1031         if (is_iconified(tk->win) != tk->iconified) {
1032             tk->iconified = !tk->iconified;
1033             if (!tk->hidden)
1034                 gui_draw_task(tk, TRUE);
1035         }
1036         /* shaded state changed? */
1037         if (is_shaded(tk->win) != tk->shaded) {
1038             tk->shaded = !tk->shaded;
1039             gui_draw_task(tk, TRUE);
1040         }
1041         if (is_hidden(tk->win) != tk->hidden) {
1042             tk->hidden = !tk->hidden;
1043             gui_draw_taskbar();
1044         }
1045     } else if (at == atoms[_NET_WM_DESKTOP]) {
1046         if (find_desktop(win) != get_current_desktop())
1047             del_task(tk->win);
1048     }
1049 }
1050
1051 static void handle_error(Display * d, XErrorEvent * ev)
1052 {
1053 }
1054
1055 int
1056 #ifdef NOSTDLIB
1057 _start(void)
1058 #else
1059 main(int argc, char *argv[])
1060 #endif
1061 {
1062     XEvent ev;
1063     fd_set fd;
1064     int xfd;
1065
1066     dd = XOpenDisplay(NULL);
1067     if (!dd)
1068         return 0;
1069     scr_screen = DefaultScreen(dd);
1070     scr_depth = DefaultDepth(dd, scr_screen);
1071     scr_height = DisplayHeight(dd, scr_screen);
1072     scr_width = DisplayWidth(dd, scr_screen);
1073     root_win = RootWindow(dd, scr_screen);
1074
1075     /* helps us catch windows closing/opening */
1076     XSelectInput(dd, root_win, PropertyChangeMask);
1077
1078     XSetErrorHandler((XErrorHandler) handle_error);
1079
1080     XInternAtoms(dd, atom_names, ATOM_COUNT, False, atoms);
1081
1082     gui_init();
1083     memset(&tb, 0, sizeof(tb));
1084     tb.win = gui_create_taskbar();
1085     xfd = ConnectionNumber(dd);
1086     XSync(dd, False);
1087     taskbar_read_clientlist();
1088     gui_draw_taskbar();
1089
1090     while (1) {
1091         FD_ZERO(&fd);
1092         FD_SET(xfd, &fd);
1093         select(xfd + 1, &fd, 0, 0, 0);
1094
1095         while (XPending(dd)) {
1096             XNextEvent(dd, &ev);
1097             switch (ev.type) {
1098             case ButtonPress:
1099                 handle_press(ev.xbutton.x, ev.xbutton.y, ev.xbutton.button, ev.xbutton.time);
1100                 break;
1101             case PropertyNotify:
1102                 handle_propertynotify(ev.xproperty.window, ev.xproperty.atom);
1103                 break;
1104             /*default:
1105                    printf ("unknown evt type: %d\n", ev.type); */
1106             }
1107         }
1108     }
1109     /* RrInstanceFree(inst);
1110      * XCloseDisplay (dd);
1111
1112        return 0; */
1113 }
1114