widgets/progressbar.c

   1 /*
   2  * progressbar.c - progressbar widget
   3  *
   4  * Copyright © 2007-2008 Julien Danjou <julien@danjou.info>
   5  * Copyright © 2007-2008 Marco Candrian <mac@calmar.ws>
   6  *
   7  * This program is free software; you can redistribute it and/or modify
   8  * it under the terms of the GNU General Public License as published by
   9  * the Free Software Foundation; either version 2 of the License, or
  10  * (at your option) any later version.
  11  *
  12  * This program is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15  * GNU General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU General Public License along
  18  * with this program; if not, write to the Free Software Foundation, Inc.,
  19  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  20  *
  21  */
  22
  23 #include "common/tokenize.h"
  24 #include "widget.h"
  25
  26 extern awesome_t globalconf;
  27
  28 /** Progressbar bar data structure */
  29 typedef struct
  30 {
  31     /** Title of the data/bar */
  32     char *title;
  33     /** These or lower values won't fill the bar at all*/
  34     float min_value;
  35     /** These or higher values fill the bar fully */
  36     float max_value;
  37     /** Pointer to value */
  38     float value;
  39     /** Reverse filling */
  40     bool reverse;
  41     /** Foreground color */
  42     xcolor_t fg;
  43     /** Foreground color of turned-off ticks */
  44     xcolor_t fg_off;
  45     /** Foreground color when bar is half-full */
  46     xcolor_t fg_center;
  47     /** Foreground color when bar is full */
  48     xcolor_t fg_end;
  49     /** Background color */
  50     xcolor_t bg;
  51     /** Border color */
  52     xcolor_t border_color;
  53 } bar_t;
  54
  55 /** Delete a bar.
  56  * \param bar The bar to annihilate.
  57  */
  58 static void
  59 bar_delete(bar_t *bar)
  60 {
  61     p_delete(&bar->title);
  62 }
  63
  64 DO_ARRAY(bar_t, bar, bar_delete)
  65
  66 /** Progressbar private data structure */
  67 typedef struct
  68 {
  69     /** Width of the data_items */
  70     int width;
  71     /** Pixel between data items (bars) */
  72     int gap;
  73     /** Border width in pixels */
  74     int border_width;
  75     /** Padding between border and ticks/bar */
  76     int border_padding;
  77     /** Gap/distance between the individual ticks */
  78     int ticks_gap;
  79     /** Total number of ticks */
  80     int ticks_count;
  81     /** 90 Degree's turned */
  82     bool vertical;
  83     /** Height 0-1, where 1.0 is height of bar */
  84     float height;
  85     /** The bars */
  86     bar_array_t bars;
  87 } progressbar_data_t;
  88
  89 /** Add a new bar to the progressbar private data structure.
  90  * \param bars The bar array.
  91  * \param title The bar title.
  92  * \return The new bar.
  93  */
  94 static bar_t *
  95 progressbar_bar_add(bar_array_t *bars, const char *title)
  96 {
  97     bar_t bar;
  98
  99     p_clear(&bar, 1);
 100
 101     bar.title = a_strdup(title);
 102     bar.fg = globalconf.colors.fg;
 103     bar.fg_off = globalconf.colors.bg;
 104     bar.bg = globalconf.colors.bg;
 105     bar.border_color = globalconf.colors.fg;
 106     bar.max_value = 100.0;
 107
 108     /* append the bar in the list */
 109     bar_array_append(bars, bar);
 110
 111     return &bars->tab[bars->len - 1];
 112 }
 113
 114 /** Get the bar, and create one if it does not exist.
 115  * \param bars The bar array.
 116  * \param title The bar title.
 117  * \return A maybe new bar.
 118  */
 119 static bar_t *
 120 progressbar_bar_get(bar_array_t *bars, const char *title)
 121 {
 122     bar_t *bar;
 123
 124     /* check if this section is defined already */
 125     for(int j = 0; j < bars->len; j++)
 126     {
 127         bar = &bars->tab[j];
 128         if(!a_strcmp(title, bar->title))
 129             return bar;
 130     }
 131
 132     /* no bar found -> create one */
 133     return progressbar_bar_add(bars, title);
 134 }
 135
 136 static area_t
 137 progressbar_geometry(widget_t *widget, int screen, int height, int width)
 138 {
 139     area_t geometry;
 140     progressbar_data_t *d = widget->data;
 141
 142     geometry.height = height;
 143
 144     if(d->vertical)
 145     {
 146         int pb_width = (int) ((d->width - 2 * (d->border_width + d->border_padding) * d->bars.len
 147                        - d->gap * (d->bars.len - 1)) / d->bars.len);
 148         geometry.width = d->bars.len * (pb_width + 2 * (d->border_width + d->border_padding)
 149                          + d->gap) - d->gap;
 150     }
 151     else
 152     {
 153         int pb_width = d->width - 2 * (d->border_width + d->border_padding);
 154         if(d->ticks_count && d->ticks_gap)
 155         {
 156             int unit = (pb_width + d->ticks_gap) / d->ticks_count;
 157             pb_width = unit * d->ticks_count - d->ticks_gap; /* rounded to match ticks... */
 158         }
 159         geometry.width = pb_width + 2 * (d->border_width + d->border_padding);
 160     }
 161
 162     return geometry;
 163 }
 164
 165 /** Draw a progressbar.
 166  * \param ctx The draw context.
 167  * \param screen The screen we're drawing for.
 168  * \param w The widget node we're drawing for.
 169  * \param offset Offset to draw at.
 170  * \param used Space already used.
 171  * \param object The object pointer we're drawing onto.
 172  * \return The width used.
 173  */
 174 static void
 175 progressbar_draw(widget_t *widget, draw_context_t *ctx, area_t geometry,
 176                  int screen, wibox_t *p)
 177 {
 178     /* pb_.. values points to the widget inside a potential border */
 179     int values_ticks, pb_x, pb_y, pb_height, pb_width, pb_progress, pb_offset;
 180     int unit = 0; /* tick + gap */
 181     area_t rectangle;
 182     vector_t color_gradient;
 183     progressbar_data_t *d = widget->data;
 184
 185     if(!d->bars.len)
 186         return;
 187
 188     /* for a 'reversed' progressbar:
 189      * basic progressbar:
 190      * 1. the full space gets the size of the formerly empty one
 191      * 2. the pattern must be mirrored
 192      * 3. the formerly 'empty' side gets drawed with fg colors, the 'full' with bg-color
 193      *
 194      * ticks:
 195      * 1. round the values to a full tick accordingly
 196      * 2. finally draw the gaps
 197      */
 198
 199     pb_x = geometry.x + d->border_width + d->border_padding;
 200     pb_offset = 0;
 201
 202     if(d->vertical)
 203     {
 204         pb_width = (int) ((d->width - 2 * (d->border_width + d->border_padding) * d->bars.len
 205                    - d->gap * (d->bars.len - 1)) / d->bars.len);
 206
 207         /** \todo maybe prevent to calculate that stuff below over and over again
 208          * (->use static-values) */
 209         pb_height = (int) (ctx->height * d->height + 0.5)
 210                     - 2 * (d->border_width + d->border_padding);
 211         if(d->ticks_count && d->ticks_gap)
 212         {
 213             /* '+ d->ticks_gap' because a unit includes a ticks + ticks_gap */
 214             unit = (pb_height + d->ticks_gap) / d->ticks_count;
 215             pb_height = unit * d->ticks_count - d->ticks_gap;
 216         }
 217
 218         pb_y = geometry.y + ((int) (ctx->height * (1 - d->height)) / 2)
 219                + d->border_width + d->border_padding;
 220
 221         for(int i = 0; i < d->bars.len; i++)
 222         {
 223             bar_t *bar = &d->bars.tab[i];
 224             if(d->ticks_count && d->ticks_gap)
 225             {
 226                 values_ticks = (int)(d->ticks_count * (bar->value - bar->min_value)
 227                                / (bar->max_value - bar->min_value) + 0.5);
 228                 if(values_ticks)
 229                     pb_progress = values_ticks * unit - d->ticks_gap;
 230                 else
 231                     pb_progress = 0;
 232             }
 233             else
 234                 /* e.g.: min = 50; max = 56; 53 should show 50% graph
 235                  * (53(val) - 50(min) / (56(max) - 50(min) = 3 / 5 = 0.5 = 50%
 236                  * round that ( + 0.5 and (int)) and finally multiply with height
 237                  */
 238                 pb_progress = (int) (pb_height * (bar->value - bar->min_value)
 239                                      / (bar->max_value - bar->min_value) + 0.5);
 240
 241             if(d->border_width)
 242             {
 243                 /* border rectangle */
 244                 rectangle.x = pb_x + pb_offset - d->border_width - d->border_padding;
 245                 rectangle.y = pb_y - d->border_width - d->border_padding;
 246                 rectangle.width = pb_width + 2 * (d->border_padding + d->border_width);
 247                 rectangle.height = pb_height + 2 * (d->border_padding + d->border_width);
 248
 249                 if(d->border_padding)
 250                     draw_rectangle(ctx, rectangle, 1.0, true, &bar->bg);
 251                 draw_rectangle(ctx, rectangle, d->border_width, false, &bar->border_color);
 252             }
 253
 254             color_gradient.x = pb_x;
 255             color_gradient.x_offset =  0;
 256             color_gradient.y = pb_y;
 257
 258             /* new value/progress in px + pattern setup */
 259             if(bar->reverse)
 260             {
 261                 /* invert: top with bottom part */
 262                 pb_progress = pb_height - pb_progress;
 263                 color_gradient.y_offset = pb_height;
 264             }
 265             else
 266             {
 267                 /* bottom to top */
 268                 color_gradient.y += pb_height;
 269                 color_gradient.y_offset = - pb_height;
 270             }
 271
 272             /* bottom part */
 273             if(pb_progress > 0)
 274             {
 275                 rectangle.x = pb_x + pb_offset;
 276                 rectangle.y = pb_y + pb_height - pb_progress;
 277                 rectangle.width = pb_width;
 278                 rectangle.height = pb_progress;
 279
 280                 /* fg color */
 281                 if(bar->reverse)
 282                     draw_rectangle(ctx, rectangle, 1.0, true, &bar->fg_off);
 283                 else
 284                     draw_rectangle_gradient(ctx, rectangle, 1.0, true, color_gradient,
 285                                             &bar->fg, &bar->fg_center, &bar->fg_end);
 286             }
 287
 288             /* top part */
 289             if(pb_height - pb_progress > 0) /* not filled area */
 290             {
 291                 rectangle.x = pb_x + pb_offset;
 292                 rectangle.y = pb_y;
 293                 rectangle.width = pb_width;
 294                 rectangle.height = pb_height - pb_progress;
 295
 296                 /* bg color */
 297                 if(bar->reverse)
 298                     draw_rectangle_gradient(ctx, rectangle, 1.0, true, color_gradient,
 299                                             &bar->fg, &bar->fg_center, &bar->fg_end);
 300                 else
 301                     draw_rectangle(ctx, rectangle, 1.0, true, &bar->fg_off);
 302             }
 303             /* draw gaps TODO: improve e.g all in one */
 304             if(d->ticks_count && d->ticks_gap)
 305             {
 306                 rectangle.width = pb_width;
 307                 rectangle.height = d->ticks_gap;
 308                 rectangle.x = pb_x + pb_offset;
 309                 for(rectangle.y = pb_y + (unit - d->ticks_gap);
 310                         pb_y + pb_height - d->ticks_gap >= rectangle.y;
 311                         rectangle.y += unit)
 312                     draw_rectangle(ctx, rectangle, 1.0, true, &bar->bg);
 313             }
 314             pb_offset += pb_width + d->gap + 2 * (d->border_width + d->border_padding);
 315         }
 316     }
 317     else /* a horizontal progressbar */
 318     {
 319         pb_width = d->width - 2 * (d->border_width + d->border_padding);
 320
 321         if(d->ticks_count && d->ticks_gap)
 322         {
 323             unit = (pb_width + d->ticks_gap) / d->ticks_count;
 324             pb_width = unit * d->ticks_count - d->ticks_gap; /* rounded to match ticks... */
 325         }
 326
 327         pb_height = (int) ((ctx->height * d->height
 328                             - d->bars.len * 2 * (d->border_width + d->border_padding)
 329                             - (d->gap * (d->bars.len - 1))) / d->bars.len + 0.5);
 330         pb_y = geometry.y + ((int) (ctx->height * (1 - d->height)) / 2)
 331                + d->border_width + d->border_padding;
 332
 333         for(int i = 0; i < d->bars.len; i++)
 334         {
 335             bar_t *bar = &d->bars.tab[i];
 336             if(d->ticks_count && d->ticks_gap)
 337             {
 338                 /* +0.5 rounds up ticks -> turn on a tick when half of it is reached */
 339                 values_ticks = (int)(d->ticks_count * (bar->value - bar->min_value)
 340                                      / (bar->max_value - bar->min_value) + 0.5);
 341                 if(values_ticks)
 342                     pb_progress = values_ticks * unit - d->ticks_gap;
 343                 else
 344                     pb_progress = 0;
 345             }
 346             else
 347                 pb_progress = (int) (pb_width * (bar->value - bar->min_value)
 348                                      / (bar->max_value - bar->min_value) + 0.5);
 349
 350             if(d->border_width)
 351             {
 352                 /* border rectangle */
 353                 rectangle.x = pb_x - d->border_width - d->border_padding;
 354                 rectangle.y = pb_y + pb_offset - d->border_width - d->border_padding;
 355                 rectangle.width = pb_width + 2 * (d->border_padding + d->border_width);
 356                 rectangle.height = pb_height + 2 * (d->border_padding + d->border_width);
 357
 358                 if(d->border_padding)
 359                     draw_rectangle(ctx, rectangle, 1.0, true, &bar->bg);
 360                 draw_rectangle(ctx, rectangle, d->border_width, false, &bar->border_color);
 361             }
 362
 363             color_gradient.y = pb_y;
 364             color_gradient.y_offset = 0;
 365             color_gradient.x = pb_x;
 366
 367             /* new value/progress in px + pattern setup */
 368             if(bar->reverse)
 369             {
 370                 /* reverse: right to left */
 371                 pb_progress = pb_width - pb_progress;
 372                 color_gradient.x += pb_width;
 373                 color_gradient.x_offset = - pb_width;
 374             }
 375             else
 376                 /* left to right */
 377                 color_gradient.x_offset = pb_width;
 378
 379             /* left part */
 380             if(pb_progress > 0)
 381             {
 382                 rectangle.x = pb_x;
 383                 rectangle.y = pb_y + pb_offset;
 384                 rectangle.width = pb_progress;
 385                 rectangle.height = pb_height;
 386
 387                 /* fg color */
 388                 if(bar->reverse)
 389                     draw_rectangle(ctx, rectangle, 1.0, true, &bar->fg_off);
 390                 else
 391                     draw_rectangle_gradient(ctx, rectangle, 1.0, true, color_gradient,
 392                                             &bar->fg, &bar->fg_center, &bar->fg_end);
 393             }
 394
 395             /* right part */
 396             if(pb_width - pb_progress > 0)
 397             {
 398                 rectangle.x = pb_x + pb_progress;
 399                 rectangle.y = pb_y +  pb_offset;
 400                 rectangle.width = pb_width - pb_progress;
 401                 rectangle.height = pb_height;
 402
 403                 /* bg color */
 404                 if(bar->reverse)
 405                     draw_rectangle_gradient(ctx, rectangle, 1.0, true, color_gradient,
 406                                             &bar->fg, &bar->fg_center, &bar->fg_end);
 407                 else
 408                     draw_rectangle(ctx, rectangle, 1.0, true, &bar->fg_off);
 409             }
 410             /* draw gaps TODO: improve e.g all in one */
 411             if(d->ticks_count && d->ticks_gap)
 412             {
 413                 rectangle.width = d->ticks_gap;
 414                 rectangle.height = pb_height;
 415                 rectangle.y = pb_y + pb_offset;
 416                 for(rectangle.x = pb_x + (unit - d->ticks_gap);
 417                         pb_x + pb_width - d->ticks_gap >= rectangle.x;
 418                         rectangle.x += unit)
 419                     draw_rectangle(ctx, rectangle, 1.0, true, &bar->bg);
 420             }
 421
 422             pb_offset += pb_height + d->gap + 2 * (d->border_width + d->border_padding);
 423         }
 424     }
 425 }
 426
 427 /** Set various progressbar bars properties:
 428  * \param L The Lua VM state.
 429  * \return The number of elements pushed on the stack.
 430  * \luastack
 431  * \lvalue A widget.
 432  * \lparam A bar name.
 433  * \lparam A table with keys as properties names.
 434  */
 435 static int
 436 luaA_progressbar_bar_properties_set(lua_State *L)
 437 {
 438     size_t len;
 439     widget_t **widget = luaA_checkudata(L, 1, "widget");
 440     const char *buf, *title = luaL_checkstring(L, 2);
 441     bar_t *bar;
 442     progressbar_data_t *d = (*widget)->data;
 443     xcolor_init_request_t reqs[6];
 444     int i, reqs_nbr = -1;
 445
 446     luaA_checktable(L, 3);
 447
 448     bar = progressbar_bar_get(&d->bars, title);
 449
 450     if((buf = luaA_getopt_lstring(L, 3, "fg", NULL, &len)))
 451         reqs[++reqs_nbr] = xcolor_init_unchecked(&bar->fg, buf, len);
 452
 453     if((buf = luaA_getopt_lstring(L, 3, "fg_off", NULL, &len)))
 454         reqs[++reqs_nbr] = xcolor_init_unchecked(&bar->fg_off, buf, len);
 455
 456     if((buf = luaA_getopt_lstring(L, 3, "bg", NULL, &len)))
 457         reqs[++reqs_nbr] = xcolor_init_unchecked(&bar->bg, buf, len);
 458
 459     if((buf = luaA_getopt_lstring(L, 3, "border_color", NULL, &len)))
 460         reqs[++reqs_nbr] = xcolor_init_unchecked(&bar->border_color, buf, len);
 461
 462     if((buf = luaA_getopt_lstring(L, 3, "fg_center", NULL, &len)))
 463         reqs[++reqs_nbr] = xcolor_init_unchecked(&bar->fg_center, buf, len);
 464
 465     if((buf = luaA_getopt_lstring(L, 3, "fg_end", NULL, &len)))
 466         reqs[++reqs_nbr] = xcolor_init_unchecked(&bar->fg_end, buf, len);
 467
 468     bar->min_value = luaA_getopt_number(L, 3, "min_value", bar->min_value);
 469     /* hack to prevent max_value beeing less than min_value
 470      * and also preventing a division by zero when both are equal */
 471     if(bar->max_value <= bar->min_value)
 472         bar->max_value = bar->max_value + 0.0001;
 473     /* force a actual value into the newly possible range */
 474     if(bar->value < bar->min_value)
 475         bar->value = bar->min_value;
 476
 477     bar->max_value = luaA_getopt_number(L, 3, "max_value", bar->max_value);
 478     if(bar->min_value >= bar->max_value)
 479         bar->min_value = bar->max_value - 0.0001;
 480     if(bar->value > bar->max_value)
 481         bar->value = bar->max_value;
 482
 483     bar->reverse = luaA_getopt_boolean(L, 3, "reverse", bar->reverse);
 484
 485     for(i = 0; i <= reqs_nbr; i++)
 486         xcolor_init_reply(reqs[i]);
 487
 488     widget_invalidate_bywidget(*widget);
 489
 490     return 0;
 491 }
 492
 493 /** Add a value to a progressbar bar.
 494  * \param L The Lua VM state.
 495  * \return The number of elements pushed on the stack.
 496  * \luastack
 497  * \lvalue A widget.
 498  * \lparam A bar name.
 499  * \lparam A data value.
 500  */
 501 static int
 502 luaA_progressbar_bar_data_add(lua_State *L)
 503 {
 504     widget_t **widget = luaA_checkudata(L, 1, "widget");
 505     const char *title = luaL_checkstring(L, 2);
 506     progressbar_data_t *d = (*widget)->data;
 507     bar_t *bar;
 508
 509     bar = progressbar_bar_get(&d->bars, title);
 510
 511     bar->value = luaL_checknumber(L, 3);
 512     bar->value = MAX(bar->min_value, MIN(bar->max_value, bar->value));
 513
 514     widget_invalidate_bywidget(*widget);
 515
 516     return 0;
 517 }
 518
 519 /** Progressbar widget.
 520  * \param L The Lua VM state.
 521  * \param token The key token.
 522  * \return The number of elements pushed on the stack.
 523  * \luastack
 524  * \lfield bar_properties_set Set the properties of a bar.
 525  * \lfield bar_data_add Add data to a bar.
 526  * \lfield gap Gap betweens bars.
 527  * \lfield ticks_gap Gap between ticks.
 528  * \lfield ticks_count Number of ticks.
 529  * \lfield border_padding Border padding.
 530  * \lfield border_width Border width.
 531  * \lfield width Bars width.
 532  * \lfield height Bars height.
 533  * \lfield vertical True: draw bar vertically, false: horizontally.
 534  */
 535 static int
 536 luaA_progressbar_index(lua_State *L, awesome_token_t token)
 537 {
 538     widget_t **widget = luaA_checkudata(L, 1, "widget");
 539     progressbar_data_t *d = (*widget)->data;
 540
 541     switch(token)
 542     {
 543       case A_TK_BAR_PROPERTIES_SET:
 544         lua_pushcfunction(L, luaA_progressbar_bar_properties_set);
 545         break;
 546       case A_TK_BAR_DATA_ADD:
 547         lua_pushcfunction(L, luaA_progressbar_bar_data_add);
 548         break;
 549       case A_TK_GAP:
 550         lua_pushnumber(L, d->gap);
 551         break;
 552       case A_TK_TICKS_GAP:
 553         lua_pushnumber(L, d->ticks_gap);
 554         break;
 555       case A_TK_TICKS_COUNT:
 556         lua_pushnumber(L, d->ticks_count);
 557         break;
 558       case A_TK_BORDER_PADDING:
 559         lua_pushnumber(L, d->border_padding);
 560         break;
 561       case A_TK_BORDER_WIDTH:
 562         lua_pushnumber(L, d->border_width);
 563         break;
 564       case A_TK_WIDTH:
 565         lua_pushnumber(L, d->width);
 566         break;
 567       case A_TK_HEIGHT:
 568         lua_pushnumber(L, d->height);
 569         break;
 570       case A_TK_VERTICAL:
 571         lua_pushboolean(L, d->vertical);
 572         break;
 573       default:
 574         return 0;
 575     }
 576
 577     return 1;
 578 }
 579
 580 /** Newindex function for progressbar.
 581  * \param L The Lua VM state.
 582  * \param token The key token.
 583  * \return The number of elements pushed on the stack.
 584  */
 585 static int
 586 luaA_progressbar_newindex(lua_State *L, awesome_token_t token)
 587 {
 588     widget_t **widget = luaA_checkudata(L, 1, "widget");
 589     progressbar_data_t *d = (*widget)->data;
 590
 591     switch(token)
 592     {
 593       case A_TK_GAP:
 594         d->gap = luaL_checknumber(L, 3);
 595         break;
 596       case A_TK_TICKS_COUNT:
 597         d->ticks_count = luaL_checknumber(L, 3);
 598         break;
 599       case A_TK_TICKS_GAP:
 600         d->ticks_gap = luaL_checknumber(L, 3);
 601         break;
 602       case A_TK_BORDER_PADDING:
 603         d->border_padding = luaL_checknumber(L, 3);
 604         break;
 605       case A_TK_BORDER_WIDTH:
 606         d->border_width = luaL_checknumber(L, 3);
 607         break;
 608       case A_TK_WIDTH:
 609         d->width = luaL_checknumber(L, 3);
 610         break;
 611       case A_TK_HEIGHT:
 612         d->height = luaL_checknumber(L, 3);
 613         break;
 614       case A_TK_VERTICAL:
 615         d->vertical = luaA_checkboolean(L, 3);
 616         break;
 617       default:
 618         return 0;
 619     }
 620
 621     widget_invalidate_bywidget(*widget);
 622
 623     return 0;
 624 }
 625
 626 /** Destroy a progressbar.
 627  * \param widget The widget to kill.
 628  */
 629 static void
 630 progressbar_destructor(widget_t *widget)
 631 {
 632     progressbar_data_t *d = widget->data;
 633
 634     bar_array_wipe(&d->bars);
 635     p_delete(&d);
 636 }
 637
 638 /** Create a new progressbar.
 639  * \param w The widget to initialize.
 640  * \return A brand new progressbar.
 641  */
 642 widget_t *
 643 widget_progressbar(widget_t *w)
 644 {
 645     w->draw = progressbar_draw;
 646     w->index = luaA_progressbar_index;
 647     w->newindex = luaA_progressbar_newindex;
 648     w->destructor = progressbar_destructor;
 649     w->geometry = progressbar_geometry;
 650
 651     progressbar_data_t *d = w->data = p_new(progressbar_data_t, 1);
 652
 653     d->height = 0.80;
 654     d->width = 80;
 655
 656     d->ticks_gap = 1;
 657     d->border_width = 1;
 658     d->gap = 2;
 659
 660     return w;
 661 }
 662
 663 /* This is used for building documentation. */
 664 static const struct luaL_reg awesome_progressbar_meta[] __attribute__ ((unused)) =
 665 {
 666     { "bar_properties_set", luaA_progressbar_bar_properties_set },
 667     { "bar_data_add", luaA_progressbar_bar_data_add },
 668 };
 669
 670 // vim: filetype=c:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=80