Repository navigation
Expand file tree
/
Copy pathwindow.c
More file actions
542 lines (493 loc) · 15.6 KB
/
Copy pathwindow.c
File metadata and controls
542 lines (493 loc) · 15.6 KB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
/*
* window.c - window object
*
* Copyright © 2009 Julien Danjou <julien@danjou.info>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
*/
/** Handling of X properties.
*
* This can not be used as a standalone class, but is instead referenced
* explicitely in the classes, where it can be used. In the respective
* classes,it then can be used via `classname:get_xproperty(...)` etc.
* @classmod xproperties
*/
#include "objects/window.h"
#include "common/atoms.h"
#include "ewmh.h"
#include "property.h"
#include "xwindow.h"
LUA_CLASS_FUNCS(window, window_class)
static xcb_window_t
window_get(window_t *window)
{
if (window->frame_window != XCB_NONE)
return window->frame_window;
return window->window;
}
static void
window_wipe(window_t *window)
{
button_array_wipe(&window->buttons);
}
/** Get or set mouse buttons bindings on a window.
* \param L The Lua VM state.
* \return The number of elements pushed on the stack.
*/
static int
luaA_window_buttons(lua_State *L)
{
window_t *window = luaA_checkudata(L, 1, &window_class);
if(lua_gettop(L) == 2)
{
luaA_button_array_set(L, 1, 2, &window->buttons);
luaA_object_emit_signal(L, 1, "property::buttons", 0);
xwindow_buttons_grab(window_get(window), &window->buttons);
}
return luaA_button_array_get(L, 1, &window->buttons);
}
/** Return window struts (reserved space at the edge of the screen).
* \param L The Lua VM state.
* \return The number of elements pushed on stack.
*/
static int
luaA_window_struts(lua_State *L)
{
window_t *window = luaA_checkudata(L, 1, &window_class);
if(lua_gettop(L) == 2)
{
luaA_tostrut(L, 2, &window->strut);
ewmh_update_strut(window->window, &window->strut);
luaA_object_emit_signal(L, 1, "property::struts", 0);
/* FIXME: Only emit if the workarea actually changed
* (= window is visible, only on the right screen)? */
foreach(s, globalconf.screens)
{
luaA_object_push(L, *s);
luaA_object_emit_signal(L, -1, "property::workarea", 0);
lua_pop(L, 1);
}
}
return luaA_pushstrut(L, window->strut);
}
/** Set a window opacity.
* \param L The Lua VM state.
* \param idx The index of the window on the stack.
* \param opacity The opacity value.
*/
void
window_set_opacity(lua_State *L, int idx, double opacity)
{
window_t *window = luaA_checkudata(L, idx, &window_class);
if(window->opacity != opacity)
{
window->opacity = opacity;
xwindow_set_opacity(window_get(window), opacity);
luaA_object_emit_signal(L, idx, "property::opacity", 0);
}
}
/** Set a window opacity.
* \param L The Lua VM state.
* \param window The window object.
* \return The number of elements pushed on stack.
*/
static int
luaA_window_set_opacity(lua_State *L, window_t *window)
{
if(lua_isnil(L, -1))
window_set_opacity(L, -3, -1);
else
{
double d = luaL_checknumber(L, -1);
if(d >= 0 && d <= 1)
window_set_opacity(L, -3, d);
}
return 0;
}
/** Get the window opacity.
* \param L The Lua VM state.
* \param window The window object.
* \return The number of elements pushed on stack.
*/
static int
luaA_window_get_opacity(lua_State *L, window_t *window)
{
if(window->opacity >= 0)
lua_pushnumber(L, window->opacity);
else
/* Let's always return some "good" value */
lua_pushnumber(L, 1);
return 1;
}
/** Set the window border color.
* \param L The Lua VM state.
* \param window The window object.
* \return The number of elements pushed on stack.
*/
static int
luaA_window_set_border_color(lua_State *L, window_t *window)
{
size_t len;
const char *color_name = luaL_checklstring(L, -1, &len);
if(color_name &&
color_init_reply(color_init_unchecked(&window->border_color, color_name, len)))
{
xwindow_set_border_color(window_get(window), &window->border_color);
luaA_object_emit_signal(L, -3, "property::border_color", 0);
}
return 0;
}
/** Set a window border width.
* \param L The Lua VM state.
* \param idx The window index.
* \param width The border width.
*/
void
window_set_border_width(lua_State *L, int idx, int width)
{
window_t *window = luaA_checkudata(L, idx, &window_class);
uint16_t old_width = window->border_width;
if(width == window->border_width || width < 0)
return;
if(window->window)
xcb_configure_window(globalconf.connection, window_get(window),
XCB_CONFIG_WINDOW_BORDER_WIDTH,
(uint32_t[]) { width });
window->border_width = width;
if(window->border_width_callback)
(*window->border_width_callback)(window, old_width, width);
luaA_object_emit_signal(L, idx, "property::border_width", 0);
}
/** Get the window type.
* \param L The Lua VM state.
* \param window The window object.
* \return The number of elements pushed on stack.
*/
int
luaA_window_get_type(lua_State *L, window_t *w)
{
switch(w->type)
{
case WINDOW_TYPE_DESKTOP:
lua_pushliteral(L, "desktop");
break;
case WINDOW_TYPE_DOCK:
lua_pushliteral(L, "dock");
break;
case WINDOW_TYPE_SPLASH:
lua_pushliteral(L, "splash");
break;
case WINDOW_TYPE_DIALOG:
lua_pushliteral(L, "dialog");
break;
case WINDOW_TYPE_MENU:
lua_pushliteral(L, "menu");
break;
case WINDOW_TYPE_TOOLBAR:
lua_pushliteral(L, "toolbar");
break;
case WINDOW_TYPE_UTILITY:
lua_pushliteral(L, "utility");
break;
case WINDOW_TYPE_DROPDOWN_MENU:
lua_pushliteral(L, "dropdown_menu");
break;
case WINDOW_TYPE_POPUP_MENU:
lua_pushliteral(L, "popup_menu");
break;
case WINDOW_TYPE_TOOLTIP:
lua_pushliteral(L, "tooltip");
break;
case WINDOW_TYPE_NOTIFICATION:
lua_pushliteral(L, "notification");
break;
case WINDOW_TYPE_COMBO:
lua_pushliteral(L, "combo");
break;
case WINDOW_TYPE_DND:
lua_pushliteral(L, "dnd");
break;
case WINDOW_TYPE_NORMAL:
lua_pushliteral(L, "normal");
break;
default:
return 0;
}
return 1;
}
/** Set the window type.
* \param L The Lua VM state.
* \param window The window object.
* \return The number of elements pushed on stack.
*/
int
luaA_window_set_type(lua_State *L, window_t *w)
{
window_type_t type;
const char *buf = luaL_checkstring(L, -1);
if (A_STREQ(buf, "desktop"))
type = WINDOW_TYPE_DESKTOP;
else if(A_STREQ(buf, "dock"))
type = WINDOW_TYPE_DOCK;
else if(A_STREQ(buf, "splash"))
type = WINDOW_TYPE_SPLASH;
else if(A_STREQ(buf, "dialog"))
type = WINDOW_TYPE_DIALOG;
else if(A_STREQ(buf, "menu"))
type = WINDOW_TYPE_MENU;
else if(A_STREQ(buf, "toolbar"))
type = WINDOW_TYPE_TOOLBAR;
else if(A_STREQ(buf, "utility"))
type = WINDOW_TYPE_UTILITY;
else if(A_STREQ(buf, "dropdown_menu"))
type = WINDOW_TYPE_DROPDOWN_MENU;
else if(A_STREQ(buf, "popup_menu"))
type = WINDOW_TYPE_POPUP_MENU;
else if(A_STREQ(buf, "tooltip"))
type = WINDOW_TYPE_TOOLTIP;
else if(A_STREQ(buf, "notification"))
type = WINDOW_TYPE_NOTIFICATION;
else if(A_STREQ(buf, "combo"))
type = WINDOW_TYPE_COMBO;
else if(A_STREQ(buf, "dnd"))
type = WINDOW_TYPE_DND;
else if(A_STREQ(buf, "normal"))
type = WINDOW_TYPE_NORMAL;
else
{
warn("Unknown window type '%s'", buf);
return 0;
}
if(w->type != type)
{
w->type = type;
if(w->window != XCB_WINDOW_NONE)
ewmh_update_window_type(w->window, window_translate_type(w->type));
luaA_object_emit_signal(L, -3, "property::type", 0);
}
return 0;
}
static xproperty_t *
luaA_find_xproperty(lua_State *L, int idx)
{
const char *name = luaL_checkstring(L, idx);
foreach(prop, globalconf.xproperties)
if (A_STREQ(prop->name, name))
return prop;
luaL_argerror(L, idx, "Unknown xproperty");
return NULL;
}
int
window_set_xproperty(lua_State *L, xcb_window_t window, int prop_idx, int value_idx)
{
xproperty_t *prop = luaA_find_xproperty(L, prop_idx);
xcb_atom_t type;
uint8_t format;
size_t len;
uint32_t number;
const void *data;
if(lua_isnil(L, value_idx))
{
xcb_delete_property(globalconf.connection, window, prop->atom);
} else {
if(prop->type == PROP_STRING)
{
data = luaL_checklstring(L, value_idx, &len);
type = UTF8_STRING;
format = 8;
} else if(prop->type == PROP_NUMBER || prop->type == PROP_BOOLEAN)
{
if (prop->type == PROP_NUMBER)
number = luaL_checkinteger(L, value_idx);
else
number = luaA_checkboolean(L, value_idx);
data = &number;
len = 1;
type = XCB_ATOM_CARDINAL;
format = 32;
} else
fatal("Got an xproperty with invalid type");
xcb_change_property(globalconf.connection, XCB_PROP_MODE_REPLACE, window,
prop->atom, type, format, len, data);
}
return 0;
}
int
window_get_xproperty(lua_State *L, xcb_window_t window, int prop_idx)
{
xproperty_t *prop = luaA_find_xproperty(L, prop_idx);
xcb_atom_t type;
void *data;
xcb_get_property_reply_t *reply;
uint32_t length;
type = prop->type == PROP_STRING ? UTF8_STRING : XCB_ATOM_CARDINAL;
length = prop->type == PROP_STRING ? UINT32_MAX : 1;
reply = xcb_get_property_reply(globalconf.connection,
xcb_get_property_unchecked(globalconf.connection, false, window,
prop->atom, type, 0, length), NULL);
if(!reply)
return 0;
data = xcb_get_property_value(reply);
if(prop->type == PROP_STRING)
lua_pushlstring(L, data, reply->value_len);
else
{
if(reply->value_len <= 0)
{
p_delete(&reply);
return 0;
}
if(prop->type == PROP_NUMBER)
lua_pushinteger(L, *(uint32_t *) data);
else
lua_pushboolean(L, *(uint32_t *) data);
}
p_delete(&reply);
return 1;
}
/** Change a xproperty.
*
* @param name The name of the X11 property
* @param value The new value for the property
* @function set_xproperty
*/
static int
luaA_window_set_xproperty(lua_State *L)
{
window_t *w = luaA_checkudata(L, 1, &window_class);
return window_set_xproperty(L, w->window, 2, 3);
}
/** Get the value of a xproperty.
*
* @param name The name of the X11 property
* @function get_xproperty
*/
static int
luaA_window_get_xproperty(lua_State *L)
{
window_t *w = luaA_checkudata(L, 1, &window_class);
return window_get_xproperty(L, w->window, 2);
}
/* Translate a window_type_t into the corresponding EWMH atom.
* @param type The type to return.
* @return The EWMH atom for this type.
*/
uint32_t
window_translate_type(window_type_t type)
{
switch(type)
{
case WINDOW_TYPE_NORMAL:
return _NET_WM_WINDOW_TYPE_NORMAL;
case WINDOW_TYPE_DESKTOP:
return _NET_WM_WINDOW_TYPE_DESKTOP;
case WINDOW_TYPE_DOCK:
return _NET_WM_WINDOW_TYPE_DOCK;
case WINDOW_TYPE_SPLASH:
return _NET_WM_WINDOW_TYPE_SPLASH;
case WINDOW_TYPE_DIALOG:
return _NET_WM_WINDOW_TYPE_DIALOG;
case WINDOW_TYPE_MENU:
return _NET_WM_WINDOW_TYPE_MENU;
case WINDOW_TYPE_TOOLBAR:
return _NET_WM_WINDOW_TYPE_TOOLBAR;
case WINDOW_TYPE_UTILITY:
return _NET_WM_WINDOW_TYPE_UTILITY;
case WINDOW_TYPE_DROPDOWN_MENU:
return _NET_WM_WINDOW_TYPE_DROPDOWN_MENU;
case WINDOW_TYPE_POPUP_MENU:
return _NET_WM_WINDOW_TYPE_POPUP_MENU;
case WINDOW_TYPE_TOOLTIP:
return _NET_WM_WINDOW_TYPE_TOOLTIP;
case WINDOW_TYPE_NOTIFICATION:
return _NET_WM_WINDOW_TYPE_NOTIFICATION;
case WINDOW_TYPE_COMBO:
return _NET_WM_WINDOW_TYPE_COMBO;
case WINDOW_TYPE_DND:
return _NET_WM_WINDOW_TYPE_DND;
}
return _NET_WM_WINDOW_TYPE_NORMAL;
}
static int
luaA_window_set_border_width(lua_State *L, window_t *c)
{
window_set_border_width(L, -3, luaL_checknumber(L, -1));
return 0;
}
LUA_OBJECT_EXPORT_PROPERTY(window, window_t, window, lua_pushinteger)
LUA_OBJECT_EXPORT_PROPERTY(window, window_t, border_color, luaA_pushcolor)
LUA_OBJECT_EXPORT_PROPERTY(window, window_t, border_width, lua_pushinteger)
void
window_class_setup(lua_State *L)
{
static const struct luaL_Reg window_methods[] =
{
{ NULL, NULL }
};
static const struct luaL_Reg window_meta[] =
{
{ "struts", luaA_window_struts },
{ "buttons", luaA_window_buttons },
{ "set_xproperty", luaA_window_set_xproperty },
{ "get_xproperty", luaA_window_get_xproperty },
{ NULL, NULL }
};
luaA_class_setup(L, &window_class, "window", NULL,
NULL, (lua_class_collector_t) window_wipe, NULL,
luaA_class_index_miss_property, luaA_class_newindex_miss_property,
window_methods, window_meta);
luaA_class_add_property(&window_class, "window",
NULL,
(lua_class_propfunc_t) luaA_window_get_window,
NULL);
luaA_class_add_property(&window_class, "opacity",
(lua_class_propfunc_t) luaA_window_set_opacity,
(lua_class_propfunc_t) luaA_window_get_opacity,
(lua_class_propfunc_t) luaA_window_set_opacity);
luaA_class_add_property(&window_class, "border_color",
(lua_class_propfunc_t) luaA_window_set_border_color,
(lua_class_propfunc_t) luaA_window_get_border_color,
(lua_class_propfunc_t) luaA_window_set_border_color);
luaA_class_add_property(&window_class, "border_width",
(lua_class_propfunc_t) luaA_window_set_border_width,
(lua_class_propfunc_t) luaA_window_get_border_width,
(lua_class_propfunc_t) luaA_window_set_border_width);
/**
* @signal property::border_color
*/
signal_add(&window_class.signals, "property::border_color");
/**
* @signal property::border_width
*/
signal_add(&window_class.signals, "property::border_width");
/**
* @signal property::buttons
*/
signal_add(&window_class.signals, "property::buttons");
/**
* @signal property::opacity
*/
signal_add(&window_class.signals, "property::opacity");
/**
* @signal property::struts
*/
signal_add(&window_class.signals, "property::struts");
/**
* @signal property::type
*/
signal_add(&window_class.signals, "property::type");
}
// vim: filetype=c:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:textwidth=80