objects/drawin.c

   1 /*
   2  * drawin.c - drawin functions
   3  *
   4  * Copyright © 2008-2009 Julien Danjou <julien@danjou.info>
   5  * Copyright ©      2010 Uli Schlachter <psychon@znc.in>
   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 "drawin.h"
  24 #include "common/atoms.h"
  25 #include "common/xcursor.h"
  26 #include "ewmh.h"
  27 #include "objects/client.h"
  28 #include "objects/screen.h"
  29 #include "systray.h"
  30 #include "xwindow.h"
  31
  32 #include <cairo-xcb.h>
  33 #include <xcb/shape.h>
  34
  35 LUA_OBJECT_FUNCS(drawin_class, drawin_t, drawin)
  36
  37 /** Kick out systray windows.
  38  */
  39 static void
  40 drawin_systray_kickout(drawin_t *w)
  41 {
  42     if(globalconf.systray.parent == w)
  43     {
  44         /* Who! Check that we're not deleting a drawin with a systray, because it
  45          * may be its parent. If so, we reparent to root before, otherwise it will
  46          * hurt very much. */
  47         systray_cleanup();
  48         xcb_reparent_window(globalconf.connection,
  49                             globalconf.systray.window,
  50                             globalconf.screen->root,
  51                             -512, -512);
  52
  53         globalconf.systray.parent = NULL;
  54     }
  55 }
  56
  57 static void
  58 drawin_wipe(drawin_t *w)
  59 {
  60     /* The drawin must already be unmapped, else it
  61      * couldn't be garbage collected -> no unmap needed */
  62     p_delete(&w->cursor);
  63     if(w->window)
  64     {
  65         /* Make sure we don't accidentally kill the systray window */
  66         drawin_systray_kickout(w);
  67         xcb_destroy_window(globalconf.connection, w->window);
  68         w->window = XCB_NONE;
  69     }
  70     /* No unref needed because we are being garbage collected */
  71     w->drawable = NULL;
  72 }
  73
  74 static void
  75 drawin_update_drawing(drawin_t *w, int widx)
  76 {
  77     luaA_object_push_item(globalconf.L, widx, w->drawable);
  78     drawable_set_geometry(w->drawable, -1, w->geometry);
  79     lua_pop(globalconf.L, 1);
  80 }
  81
  82 /** Refresh the window content by copying its pixmap data to its window.
  83  * \param w The drawin to refresh.
  84  */
  85 static inline void
  86 drawin_refresh_pixmap(drawin_t *w)
  87 {
  88     drawin_refresh_pixmap_partial(w, 0, 0, w->geometry.width, w->geometry.height);
  89 }
  90
  91 /** Move and/or resize a drawin
  92  * \param L The Lua VM state.
  93  * \param udx The index of the drawin.
  94  * \param geometry The new geometry.
  95  */
  96 static void
  97 drawin_moveresize(lua_State *L, int udx, area_t geometry)
  98 {
  99     drawin_t *w = luaA_checkudata(L, udx, &drawin_class);
 100     int number_of_vals = 0;
 101     uint32_t moveresize_win_vals[4], mask_vals = 0;
 102
 103     if(w->geometry.x != geometry.x)
 104     {
 105         w->geometry.x = moveresize_win_vals[number_of_vals++] = geometry.x;
 106         mask_vals |= XCB_CONFIG_WINDOW_X;
 107     }
 108
 109     if(w->geometry.y != geometry.y)
 110     {
 111         w->geometry.y = moveresize_win_vals[number_of_vals++] = geometry.y;
 112         mask_vals |= XCB_CONFIG_WINDOW_Y;
 113     }
 114
 115     if(geometry.width > 0 && w->geometry.width != geometry.width)
 116     {
 117         w->geometry.width = moveresize_win_vals[number_of_vals++] = geometry.width;
 118         mask_vals |= XCB_CONFIG_WINDOW_WIDTH;
 119     }
 120
 121     if(geometry.height > 0 && w->geometry.height != geometry.height)
 122     {
 123         w->geometry.height = moveresize_win_vals[number_of_vals++] = geometry.height;
 124         mask_vals |= XCB_CONFIG_WINDOW_HEIGHT;
 125     }
 126
 127     drawin_update_drawing(w, udx);
 128
 129     /* Activate BMA */
 130     client_ignore_enterleave_events();
 131
 132     if(mask_vals)
 133         xcb_configure_window(globalconf.connection, w->window, mask_vals, moveresize_win_vals);
 134
 135     /* Deactivate BMA */
 136     client_restore_enterleave_events();
 137
 138     if(mask_vals & XCB_CONFIG_WINDOW_X)
 139         luaA_object_emit_signal(L, udx, "property::x", 0);
 140     if(mask_vals & XCB_CONFIG_WINDOW_Y)
 141         luaA_object_emit_signal(L, udx, "property::y", 0);
 142     if(mask_vals & XCB_CONFIG_WINDOW_WIDTH)
 143         luaA_object_emit_signal(L, udx, "property::width", 0);
 144     if(mask_vals & XCB_CONFIG_WINDOW_HEIGHT)
 145         luaA_object_emit_signal(L, udx, "property::height", 0);
 146 }
 147
 148 /** Refresh the window content by copying its pixmap data to its window.
 149  * \param drawin The drawin to refresh.
 150  * \param x The copy starting point x component.
 151  * \param y The copy starting point y component.
 152  * \param w The copy width from the x component.
 153  * \param h The copy height from the y component.
 154  */
 155 void
 156 drawin_refresh_pixmap_partial(drawin_t *drawin,
 157                               int16_t x, int16_t y,
 158                               uint16_t w, uint16_t h)
 159 {
 160     if (!drawin->drawable || !drawin->drawable->pixmap || !drawin->drawable->refreshed)
 161         return;
 162
 163     /* Make cairo do all pending drawing */
 164     cairo_surface_flush(drawin->drawable->surface);
 165     xcb_copy_area(globalconf.connection, drawin->drawable->pixmap,
 166                   drawin->window, globalconf.gc, x, y, x, y,
 167                   w, h);
 168 }
 169
 170 static void
 171 drawin_map(drawin_t *drawin, int widx)
 172 {
 173     /* Activate BMA */
 174     client_ignore_enterleave_events();
 175     /* Map the drawin */
 176     xcb_map_window(globalconf.connection, drawin->window);
 177     /* Deactivate BMA */
 178     client_restore_enterleave_events();
 179     /* Stack this drawin correctly */
 180     stack_windows();
 181     /* Add it to the list of visible drawins */
 182     drawin_array_append(&globalconf.drawins, drawin);
 183     /* Make sure it has a surface */
 184     if(drawin->drawable->surface == NULL)
 185         drawin_update_drawing(drawin, widx);
 186 }
 187
 188 static void
 189 drawin_unmap(drawin_t *drawin)
 190 {
 191     xcb_unmap_window(globalconf.connection, drawin->window);
 192     foreach(item, globalconf.drawins)
 193         if(*item == drawin)
 194         {
 195             drawin_array_remove(&globalconf.drawins, item);
 196             break;
 197         }
 198 }
 199
 200 /** Get a drawin by its window.
 201  * \param win The window id.
 202  * \return A drawin if found, NULL otherwise.
 203  */
 204 drawin_t *
 205 drawin_getbywin(xcb_window_t win)
 206 {
 207     foreach(w, globalconf.drawins)
 208         if((*w)->window == win)
 209             return *w;
 210     return NULL;
 211 }
 212
 213 /** Set a drawin visible or not.
 214  * \param L The Lua VM state.
 215  * \param udx The drawin.
 216  * \param v The visible value.
 217  */
 218 static void
 219 drawin_set_visible(lua_State *L, int udx, bool v)
 220 {
 221     drawin_t *drawin = luaA_checkudata(L, udx, &drawin_class);
 222     if(v != drawin->visible)
 223     {
 224         drawin->visible = v;
 225
 226         if(drawin->visible)
 227         {
 228             drawin_map(drawin, udx);
 229             /* duplicate drawin */
 230             lua_pushvalue(L, udx);
 231             /* ref it */
 232             luaA_object_ref_class(globalconf.L, -1, &drawin_class);
 233         }
 234         else
 235         {
 236             /* Active BMA */
 237             client_ignore_enterleave_events();
 238             /* Unmap window */
 239             drawin_unmap(drawin);
 240             /* Active BMA */
 241             client_restore_enterleave_events();
 242             /* unref it */
 243             luaA_object_unref(globalconf.L, drawin);
 244         }
 245
 246         luaA_object_emit_signal(L, udx, "property::visible", 0);
 247         if(strut_has_value(&drawin->strut))
 248         {
 249             luaA_object_push(L, screen_getbycoord(drawin->geometry.x, drawin->geometry.y));
 250             luaA_object_emit_signal(L, -1, "property::workarea", 0);
 251             lua_pop(L, 1);
 252         }
 253     }
 254 }
 255
 256 static drawin_t *
 257 drawin_allocator(lua_State *L)
 258 {
 259     xcb_screen_t *s = globalconf.screen;
 260     drawin_t *w = drawin_new(L);
 261
 262     w->visible = false;
 263
 264     w->opacity = -1;
 265     w->cursor = a_strdup("left_ptr");
 266     w->geometry.width = 1;
 267     w->geometry.height = 1;
 268     w->type = _NET_WM_WINDOW_TYPE_NORMAL;
 269
 270     drawable_allocator(L, (drawable_refresh_callback *) drawin_refresh_pixmap, w);
 271     w->drawable = luaA_object_ref_item(L, -2, -1);
 272
 273     w->window = xcb_generate_id(globalconf.connection);
 274     xcb_create_window(globalconf.connection, globalconf.default_depth, w->window, s->root,
 275                       w->geometry.x, w->geometry.y,
 276                       w->geometry.width, w->geometry.height,
 277                       w->border_width, XCB_COPY_FROM_PARENT, globalconf.visual->visual_id,
 278                       XCB_CW_BORDER_PIXEL | XCB_CW_BIT_GRAVITY
 279                       | XCB_CW_OVERRIDE_REDIRECT | XCB_CW_EVENT_MASK | XCB_CW_COLORMAP
 280                       | XCB_CW_CURSOR,
 281                       (const uint32_t [])
 282                       {
 283                           w->border_color.pixel,
 284                           XCB_GRAVITY_NORTH_WEST,
 285                           1,
 286                           XCB_EVENT_MASK_SUBSTRUCTURE_REDIRECT
 287                           | XCB_EVENT_MASK_SUBSTRUCTURE_NOTIFY | XCB_EVENT_MASK_ENTER_WINDOW
 288                           | XCB_EVENT_MASK_LEAVE_WINDOW | XCB_EVENT_MASK_STRUCTURE_NOTIFY
 289                           | XCB_EVENT_MASK_POINTER_MOTION | XCB_EVENT_MASK_EXPOSURE
 290                           | XCB_EVENT_MASK_PROPERTY_CHANGE,
 291                           globalconf.default_cmap,
 292                           xcursor_new(globalconf.cursor_ctx, xcursor_font_fromstr(w->cursor))
 293                       });
 294
 295     /* Set the right properties */
 296     ewmh_update_window_type(w->window, window_translate_type(w->type));
 297     ewmh_update_strut(w->window, &w->strut);
 298
 299     return w;
 300 }
 301
 302 /** Create a new drawin.
 303  * \param L The Lua VM state.
 304  * \return The number of elements pushed on stack.
 305  */
 306 static int
 307 luaA_drawin_new(lua_State *L)
 308 {
 309     luaA_class_new(L, &drawin_class);
 310
 311     return 1;
 312 }
 313
 314 /* Set or get the drawin geometry.
 315  * \param L The Lua VM state.
 316  * \return The number of elements pushed on stack.
 317  * \luastack
 318  * \lparam An optional table with drawin geometry.
 319  * \lreturn The drawin geometry.
 320  */
 321 static int
 322 luaA_drawin_geometry(lua_State *L)
 323 {
 324     drawin_t *drawin = luaA_checkudata(L, 1, &drawin_class);
 325
 326     if(lua_gettop(L) == 2)
 327     {
 328         area_t wingeom;
 329
 330         luaA_checktable(L, 2);
 331         wingeom.x = luaA_getopt_number(L, 2, "x", drawin->geometry.x);
 332         wingeom.y = luaA_getopt_number(L, 2, "y", drawin->geometry.y);
 333         wingeom.width = luaA_getopt_number(L, 2, "width", drawin->geometry.width);
 334         wingeom.height = luaA_getopt_number(L, 2, "height", drawin->geometry.height);
 335
 336         if(wingeom.width > 0 && wingeom.height > 0)
 337             drawin_moveresize(L, 1, wingeom);
 338     }
 339
 340     return luaA_pusharea(L, drawin->geometry);
 341 }
 342
 343
 344 LUA_OBJECT_EXPORT_PROPERTY(drawin, drawin_t, ontop, lua_pushboolean)
 345 LUA_OBJECT_EXPORT_PROPERTY(drawin, drawin_t, cursor, lua_pushstring)
 346 LUA_OBJECT_EXPORT_PROPERTY(drawin, drawin_t, visible, lua_pushboolean)
 347
 348 static int
 349 luaA_drawin_set_x(lua_State *L, drawin_t *drawin)
 350 {
 351     drawin_moveresize(L, -3, (area_t) { .x = luaL_checknumber(L, -1),
 352                                         .y = drawin->geometry.y,
 353                                         .width = drawin->geometry.width,
 354                                         .height = drawin->geometry.height });
 355     return 0;
 356 }
 357
 358 static int
 359 luaA_drawin_get_x(lua_State *L, drawin_t *drawin)
 360 {
 361     lua_pushnumber(L, drawin->geometry.x);
 362     return 1;
 363 }
 364
 365 static int
 366 luaA_drawin_set_y(lua_State *L, drawin_t *drawin)
 367 {
 368     drawin_moveresize(L, -3, (area_t) { .x = drawin->geometry.x,
 369                                         .y = luaL_checknumber(L, -1),
 370                                         .width = drawin->geometry.width,
 371                                         .height = drawin->geometry.height });
 372     return 0;
 373 }
 374
 375 static int
 376 luaA_drawin_get_y(lua_State *L, drawin_t *drawin)
 377 {
 378     lua_pushnumber(L, drawin->geometry.y);
 379     return 1;
 380 }
 381
 382 static int
 383 luaA_drawin_set_width(lua_State *L, drawin_t *drawin)
 384 {
 385     int width = luaL_checknumber(L, -1);
 386     if(width <= 0)
 387         luaL_error(L, "invalid width");
 388     drawin_moveresize(L, -3, (area_t) { .x = drawin->geometry.x,
 389                                         .y = drawin->geometry.y,
 390                                         .width = width,
 391                                         .height = drawin->geometry.height });
 392     return 0;
 393 }
 394
 395 static int
 396 luaA_drawin_get_width(lua_State *L, drawin_t *drawin)
 397 {
 398     lua_pushnumber(L, drawin->geometry.width);
 399     return 1;
 400 }
 401
 402 static int
 403 luaA_drawin_set_height(lua_State *L, drawin_t *drawin)
 404 {
 405     int height = luaL_checknumber(L, -1);
 406     if(height <= 0)
 407         luaL_error(L, "invalid height");
 408     drawin_moveresize(L, -3, (area_t) { .x = drawin->geometry.x,
 409                                        .y = drawin->geometry.y,
 410                                        .width = drawin->geometry.width,
 411                                        .height = height });
 412     return 0;
 413 }
 414
 415 static int
 416 luaA_drawin_get_height(lua_State *L, drawin_t *drawin)
 417 {
 418     lua_pushnumber(L, drawin->geometry.height);
 419     return 1;
 420 }
 421
 422 /** Set the drawin on top status.
 423  * \param L The Lua VM state.
 424  * \param drawin The drawin object.
 425  * \return The number of elements pushed on stack.
 426  */
 427 static int
 428 luaA_drawin_set_ontop(lua_State *L, drawin_t *drawin)
 429 {
 430     bool b = luaA_checkboolean(L, -1);
 431     if(b != drawin->ontop)
 432     {
 433         drawin->ontop = b;
 434         stack_windows();
 435         luaA_object_emit_signal(L, -3, "property::ontop", 0);
 436     }
 437     return 0;
 438 }
 439
 440 /** Set the drawin cursor.
 441  * \param L The Lua VM state.
 442  * \param drawin The drawin object.
 443  * \return The number of elements pushed on stack.
 444  */
 445 static int
 446 luaA_drawin_set_cursor(lua_State *L, drawin_t *drawin)
 447 {
 448     const char *buf = luaL_checkstring(L, -1);
 449     if(buf)
 450     {
 451         uint16_t cursor_font = xcursor_font_fromstr(buf);
 452         if(cursor_font)
 453         {
 454             xcb_cursor_t cursor = xcursor_new(globalconf.cursor_ctx, cursor_font);
 455             p_delete(&drawin->cursor);
 456             drawin->cursor = a_strdup(buf);
 457             xwindow_set_cursor(drawin->window, cursor);
 458             luaA_object_emit_signal(L, -3, "property::cursor", 0);
 459         }
 460     }
 461     return 0;
 462 }
 463
 464 /** Set the drawin visibility.
 465  * \param L The Lua VM state.
 466  * \param drawin The drawin object.
 467  * \return The number of elements pushed on stack.
 468  */
 469 static int
 470 luaA_drawin_set_visible(lua_State *L, drawin_t *drawin)
 471 {
 472     drawin_set_visible(L, -3, luaA_checkboolean(L, -1));
 473     return 0;
 474 }
 475
 476 /** Get a drawin's drawable
 477  * \param L The Lua VM state.
 478  * \param drawin The drawin object.
 479  * \return The number of elements pushed on stack.
 480  */
 481 static int
 482 luaA_drawin_get_drawable(lua_State *L, drawin_t *drawin)
 483 {
 484     luaA_object_push_item(L, -2, drawin->drawable);
 485     return 1;
 486 }
 487
 488 /** Get the drawin's bounding shape.
 489  * \param L The Lua VM state.
 490  * \param drawin The drawin object.
 491  * \return The number of elements pushed on stack.
 492  */
 493 static int
 494 luaA_drawin_get_shape_bounding(lua_State *L, drawin_t *drawin)
 495 {
 496     cairo_surface_t *surf = xwindow_get_shape(drawin->window, XCB_SHAPE_SK_BOUNDING);
 497     if (!surf)
 498         return 0;
 499     /* lua has to make sure to free the ref or we have a leak */
 500     lua_pushlightuserdata(L, surf);
 501     return 1;
 502 }
 503
 504 /** Set the drawin's bounding shape.
 505  * \param L The Lua VM state.
 506  * \param drawin The drawin object.
 507  * \return The number of elements pushed on stack.
 508  */
 509 static int
 510 luaA_drawin_set_shape_bounding(lua_State *L, drawin_t *drawin)
 511 {
 512     cairo_surface_t *surf = NULL;
 513     if(!lua_isnil(L, -1))
 514         surf = (cairo_surface_t *)lua_touserdata(L, -1);
 515     xwindow_set_shape(drawin->window,
 516             drawin->geometry.width + 2*drawin->border_width,
 517             drawin->geometry.height + 2*drawin->border_width,
 518             XCB_SHAPE_SK_BOUNDING, surf, -drawin->border_width);
 519     luaA_object_emit_signal(L, -3, "property::shape_bounding", 0);
 520     return 0;
 521 }
 522
 523 /** Get the drawin's clip shape.
 524  * \param L The Lua VM state.
 525  * \param drawin The drawin object.
 526  * \return The number of elements pushed on stack.
 527  */
 528 static int
 529 luaA_drawin_get_shape_clip(lua_State *L, drawin_t *drawin)
 530 {
 531     cairo_surface_t *surf = xwindow_get_shape(drawin->window, XCB_SHAPE_SK_CLIP);
 532     if (!surf)
 533         return 0;
 534     /* lua has to make sure to free the ref or we have a leak */
 535     lua_pushlightuserdata(L, surf);
 536     return 1;
 537 }
 538
 539 /** Set the drawin's clip shape.
 540  * \param L The Lua VM state.
 541  * \param drawin The drawin object.
 542  * \return The number of elements pushed on stack.
 543  */
 544 static int
 545 luaA_drawin_set_shape_clip(lua_State *L, drawin_t *drawin)
 546 {
 547     cairo_surface_t *surf = NULL;
 548     if(!lua_isnil(L, -1))
 549         surf = (cairo_surface_t *)lua_touserdata(L, -1);
 550     xwindow_set_shape(drawin->window, drawin->geometry.width, drawin->geometry.height,
 551             XCB_SHAPE_SK_CLIP, surf, 0);
 552     luaA_object_emit_signal(L, -3, "property::shape_clip", 0);
 553     return 0;
 554 }
 555
 556 void
 557 drawin_class_setup(lua_State *L)
 558 {
 559     static const struct luaL_Reg drawin_methods[] =
 560     {
 561         LUA_CLASS_METHODS(drawin)
 562         { "__call", luaA_drawin_new },
 563         { NULL, NULL }
 564     };
 565
 566     static const struct luaL_Reg drawin_meta[] =
 567     {
 568         LUA_OBJECT_META(drawin)
 569         LUA_CLASS_META
 570         { "geometry", luaA_drawin_geometry },
 571         { NULL, NULL },
 572     };
 573
 574     luaA_class_setup(L, &drawin_class, "drawin", &window_class,
 575                      (lua_class_allocator_t) drawin_allocator,
 576                      (lua_class_collector_t) drawin_wipe,
 577                      NULL,
 578                      luaA_class_index_miss_property, luaA_class_newindex_miss_property,
 579                      drawin_methods, drawin_meta);
 580     luaA_class_add_property(&drawin_class, "drawable",
 581                             NULL,
 582                             (lua_class_propfunc_t) luaA_drawin_get_drawable,
 583                             NULL);
 584     luaA_class_add_property(&drawin_class, "visible",
 585                             (lua_class_propfunc_t) luaA_drawin_set_visible,
 586                             (lua_class_propfunc_t) luaA_drawin_get_visible,
 587                             (lua_class_propfunc_t) luaA_drawin_set_visible);
 588     luaA_class_add_property(&drawin_class, "ontop",
 589                             (lua_class_propfunc_t) luaA_drawin_set_ontop,
 590                             (lua_class_propfunc_t) luaA_drawin_get_ontop,
 591                             (lua_class_propfunc_t) luaA_drawin_set_ontop);
 592     luaA_class_add_property(&drawin_class, "cursor",
 593                             (lua_class_propfunc_t) luaA_drawin_set_cursor,
 594                             (lua_class_propfunc_t) luaA_drawin_get_cursor,
 595                             (lua_class_propfunc_t) luaA_drawin_set_cursor);
 596     luaA_class_add_property(&drawin_class, "x",
 597                             (lua_class_propfunc_t) luaA_drawin_set_x,
 598                             (lua_class_propfunc_t) luaA_drawin_get_x,
 599                             (lua_class_propfunc_t) luaA_drawin_set_x);
 600     luaA_class_add_property(&drawin_class, "y",
 601                             (lua_class_propfunc_t) luaA_drawin_set_y,
 602                             (lua_class_propfunc_t) luaA_drawin_get_y,
 603                             (lua_class_propfunc_t) luaA_drawin_set_y);
 604     luaA_class_add_property(&drawin_class, "width",
 605                             (lua_class_propfunc_t) luaA_drawin_set_width,
 606                             (lua_class_propfunc_t) luaA_drawin_get_width,
 607                             (lua_class_propfunc_t) luaA_drawin_set_width);
 608     luaA_class_add_property(&drawin_class, "height",
 609                             (lua_class_propfunc_t) luaA_drawin_set_height,
 610                             (lua_class_propfunc_t) luaA_drawin_get_height,
 611                             (lua_class_propfunc_t) luaA_drawin_set_height);
 612     luaA_class_add_property(&drawin_class, "type",
 613                             (lua_class_propfunc_t) luaA_window_set_type,
 614                             (lua_class_propfunc_t) luaA_window_get_type,
 615                             (lua_class_propfunc_t) luaA_window_set_type);
 616     luaA_class_add_property(&drawin_class, "shape_bounding",
 617                             (lua_class_propfunc_t) luaA_drawin_set_shape_bounding,
 618                             (lua_class_propfunc_t) luaA_drawin_get_shape_bounding,
 619                             (lua_class_propfunc_t) luaA_drawin_set_shape_bounding);
 620     luaA_class_add_property(&drawin_class, "shape_clip",
 621                             (lua_class_propfunc_t) luaA_drawin_set_shape_clip,
 622                             (lua_class_propfunc_t) luaA_drawin_get_shape_clip,
 623                             (lua_class_propfunc_t) luaA_drawin_set_shape_clip);
 624
 625     signal_add(&drawin_class.signals, "property::shape_bounding");
 626     signal_add(&drawin_class.signals, "property::shape_clip");
 627     signal_add(&drawin_class.signals, "property::border_width");
 628     signal_add(&drawin_class.signals, "property::cursor");
 629     signal_add(&drawin_class.signals, "property::height");
 630     signal_add(&drawin_class.signals, "property::ontop");
 631     signal_add(&drawin_class.signals, "property::visible");
 632     signal_add(&drawin_class.signals, "property::width");
 633     signal_add(&drawin_class.signals, "property::x");
 634     signal_add(&drawin_class.signals, "property::y");
 635 }
 636
 637 // vim: filetype=c:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:textwidth=80