10 #include <xcb/damage.h>
11 #include <xcb/render.h>
12 #include <xcb/xfixes.h>
13 #include <xcb/composite.h>
18 xcb_intern_atom_cookie_t ck;
21 #define setup_extension(name) \
22 xcb_##name##_query_version_cookie_t ck_##name;
24 #define find_extension_xfixes(dpy) &dpy->xfixes;
25 #define find_extension_render(dpy) &dpy->render;
26 #define find_extension_composite(dpy) &dpy->composite;
27 #define find_extension_damage(dpy) &dpy->damage;
29 #define version_extension_xfixes \
30 XCB_XFIXES_MAJOR_VERSION, XCB_XFIXES_MAJOR_VERSION
31 #define version_extension_render \
32 XCB_RENDER_MAJOR_VERSION, XCB_RENDER_MAJOR_VERSION
33 #define version_extension_composite \
34 XCB_COMPOSITE_MAJOR_VERSION, XCB_COMPOSITE_MAJOR_VERSION
35 #define version_extension_damage \
36 XCB_DAMAGE_MAJOR_VERSION, XCB_DAMAGE_MAJOR_VERSION
38 #define query_extension(dpy, name) \
40 const xcb_query_extension_reply_t *rep; \
41 d_display_ext_t *ext; \
43 xcb_prefetch_extension_data(dpy->conn, &xcb_##name##_id); \
44 rep = xcb_get_extension_data(dpy->conn, &xcb_##name##_id); \
46 ext = find_extension_##name(dpy) \
47 ext->present = rep && rep->present; \
48 ext->error = rep && rep->first_error; \
49 ext->event = rep && rep->first_event; \
50 ext->opcode = rep && rep->major_opcode; \
53 ck_##name = xcb_##name##_query_version(dpy->conn, \
54 version_extension_##name); \
57 #define reply_extension(dpy, name) \
59 xcb_##name##_query_version_reply_t *rep; \
60 d_display_ext_t *ext; \
62 ext = find_extension_##name(dpy) \
64 rep = xcb_##name##_query_version_reply(dpy->conn, ck_##name, NULL); \
66 ext->major_version = rep->major_version; \
67 ext->minor_version = rep->minor_version; \
71 printf("error querying the %s extension's version\n", "##name##");\
72 ext->present = FALSE; \
78 query_atom(d_display_t *dpy, d_atom_query_t *q)
80 q->ck = xcb_intern_atom(dpy->conn, FALSE, strlen(q->name), q->name);
84 reply_atom(d_display_t *dpy, d_atom_query_t *q)
86 xcb_intern_atom_reply_t *rep;
87 rep = xcb_intern_atom_reply(dpy->conn, q->ck, NULL);
93 printf("unable to query atom %s\n", q->name);
99 query_statics(d_display_t *dpy)
101 d_atom_query_t atoms[] = {
102 { .atom = &dpy->a.atom,
104 { .atom = &dpy->a.cardinal,
105 .name = "CARDINAL" },
106 { .atom = &dpy->a.utf8_string,
107 .name = "UTF8_STRING" },
108 { .atom = &dpy->a.string,
110 { .atom = &dpy->a.pixmap,
112 { .atom = &dpy->a.net_wm_window_type,
113 .name = "_NET_WM_WINDOW_TYPE" },
114 { .atom = &dpy->a.net_wm_window_type_desktop,
115 .name = "_NET_WM_WINDOW_TYPE_DESKTOP" },
116 { .atom = &dpy->a.net_wm_window_type_dock,
117 .name = "_NET_WM_WINDOW_TYPE_DOCK" },
118 { .atom = &dpy->a.net_wm_window_type_normal,
119 .name = "_NET_WM_WINDOW_TYPE_NORMAL" },
120 { .atom = &dpy->a.net_wm_window_type_dialog,
121 .name = "_NET_WM_WINDOW_TYPE_DIALOG" },
122 { .atom = &dpy->a.net_wm_window_type_toolbar,
123 .name = "_NET_WM_WINDOW_TYPE_TOOLBAR" },
124 { .atom = &dpy->a.net_wm_window_type_menu,
125 .name = "_NET_WM_WINDOW_TYPE_MENU" },
126 { .atom = &dpy->a.net_wm_window_type_utility,
127 .name = "_NET_WM_WINDOW_TYPE_UTILITY" },
128 { .atom = &dpy->a.net_wm_window_type_splash,
129 .name = "_NET_WM_WINDOW_TYPE_SPLAH" },
130 { .atom = &dpy->a.net_wm_window_type_tooltip,
131 .name = "_NET_WM_WINDOW_TYPE_TOOLTIP" },
132 { .atom = &dpy->a.net_wm_window_type_combo,
133 .name = "_NET_WM_WINDOW_TYPE_COMBO" },
134 { .atom = &dpy->a.net_wm_window_type_dropdown_menu,
135 .name = "_NET_WM_WINDOW_TYPE_DROPDOWN_MENU" },
136 { .atom = &dpy->a.net_wm_window_type_popup_menu,
137 .name = "_NET_WM_WINDOW_TYPE_POPUP_MENU" },
138 { .atom = &dpy->a.net_wm_window_type_notification,
139 .name = "_NET_WM_WINDOW_TYPE_NOTIFICATION" },
143 setup_extension(xfixes);
144 setup_extension(render);
145 setup_extension(composite);
146 setup_extension(damage);
148 query_extension(dpy, xfixes);
149 query_extension(dpy, render);
150 query_extension(dpy, composite);
151 query_extension(dpy, damage);
153 for (i = 0; atoms[i].atom != NULL; ++i)
154 query_atom(dpy, &atoms[i]);
156 xcb_flush(dpy->conn);
158 reply_extension(dpy, xfixes);
159 reply_extension(dpy, render);
160 reply_extension(dpy, composite);
161 reply_extension(dpy, damage);
163 for (i = 0; atoms[i].atom != NULL; ++i)
164 reply_atom(dpy, &atoms[i]);
168 display_open(const char *name)
170 d_display_t *dpy = NULL;
171 xcb_connection_t *conn;
173 conn = xcb_connect(name, NULL);
174 if (conn && !xcb_connection_has_error(conn)) {
175 dpy = malloc(sizeof(d_display_t));
178 dpy->fd = xcb_get_file_descriptor(conn);
179 dpy->screens = list_new();
187 display_ref(d_display_t *dpy)
193 display_unref(d_display_t *dpy)
195 if (dpy && --dpy->ref == 0) {
198 xcb_disconnect(dpy->conn);
200 for (it = list_top(dpy->screens); it; it = it->next)
201 screen_unref(it->data);
202 list_unref(dpy->screens);
208 display_error(d_display_t *dpy, xcb_generic_error_t *ev)
210 const int major_opcode = ((xcb_request_error_t*)ev)->major_opcode;
211 const int minor_opcode = ((xcb_request_error_t*)ev)->minor_opcode;
212 const char *name, *req;
214 /* XXX check if we should ignore it (ev->full_sequence) */
219 switch (ev->error_code) {
220 case XCB_REQUEST: name = "BadRequest"; break;
221 case XCB_VALUE: name = "BadValue"; break;
222 case XCB_WINDOW: name = "BadWindow"; break;
223 case XCB_PIXMAP: name = "BadPixmap"; break;
224 case XCB_MATCH: name = "BadMatch"; break;
225 case XCB_DRAWABLE: name = "BadDrawable"; break;
226 case XCB_G_CONTEXT: name = "BadGC"; break;
230 switch (ev->error_code - dpy->xfixes.error) {
231 case XCB_XFIXES_BAD_REGION: name = "BadRegion"; break;
235 switch (ev->error_code - dpy->damage.error) {
236 case XCB_DAMAGE_BAD_DAMAGE: name = "BadDamage"; break;
240 switch (ev->error_code - dpy->render.error) {
241 case XCB_RENDER_PICT_FORMAT: name = "BadPictFormat"; break;
242 case XCB_RENDER_PICT_OP: name = "BadPictOp"; break;
243 case XCB_RENDER_PICTURE: name = "BadPicture"; break;
244 case XCB_RENDER_GLYPH_SET: name = "BadGlyphSet"; break;
245 case XCB_RENDER_GLYPH: name = "BadGlyph"; break;
250 if (major_opcode <= 127)
251 switch (major_opcode) {
252 case 1: req = "CreateWindow"; break;
253 case 2: req = "ChangeWindowAttributes"; break;
254 case 3: req = "GetWindowAttributes"; break;
255 case 14: req = "GetGeometry"; break;
256 case 15: req = "QueryTree"; break;
257 case 18: req = "ChangeProperty"; break;
258 case 20: req = "GetProperty"; break;
259 case 22: req = "SetSelectionOwner"; break;
260 case 23: req = "GetSelectionOwner"; break;
261 case 53: req = "CreatePixmap"; break;
262 case 54: req = "FreePixmap"; break;
263 case 55: req = "CreateGC"; break;
264 case 56: req = "ChangeGC"; break;
265 case 60: req = "FreeGC"; break;
266 case 72: req = "PutImage"; break;
271 printf("XError: %s %s!\n",
274 printf("XError: %s major opcode %d minor opcode %d!\n",
275 name, major_opcode, minor_opcode);
277 printf("XError: code %d major opcode %d minor opcode %d!\n",
278 ev->error_code, major_opcode, minor_opcode);
284 display_claim_screens(d_display_t *dpy)
286 static const xcb_setup_t *setup;
287 xcb_screen_iterator_t it;
291 setup = xcb_get_setup(dpy->conn);
294 for (it = xcb_setup_roots_iterator(setup); it.rem; xcb_screen_next(&it)) {
295 sc = screen_new(dpy, i++, it.data);
296 if (screen_register(sc)) {
297 list_append(dpy->screens, sc);
298 printf(_("managing screen %d\n"), sc->num);
303 return list_length(dpy->screens);
307 display_screen_from_root(d_display_t *dpy, xcb_window_t root)
311 for (it = list_top(dpy->screens); it; it = it->next) {
312 d_screen_t *sc = it->data;
313 if (sc->super.root == root)