6 #include <xcb/damage.h>
7 #include <xcb/render.h>
8 #include <xcb/xfixes.h>
9 #include <xcb/composite.h>
14 xcb_intern_atom_cookie_t ck;
17 #define setup_extension(name) \
18 xcb_##name##_query_version_cookie_t ck_##name;
20 #define find_extension_xfixes(dpy) &dpy->xfixes;
21 #define find_extension_render(dpy) &dpy->render;
22 #define find_extension_composite(dpy) &dpy->composite;
23 #define find_extension_damage(dpy) &dpy->damage;
25 #define version_extension_xfixes \
26 XCB_XFIXES_MAJOR_VERSION, XCB_XFIXES_MAJOR_VERSION
27 #define version_extension_render \
28 XCB_RENDER_MAJOR_VERSION, XCB_RENDER_MAJOR_VERSION
29 #define version_extension_composite \
30 XCB_COMPOSITE_MAJOR_VERSION, XCB_COMPOSITE_MAJOR_VERSION
31 #define version_extension_damage \
32 XCB_DAMAGE_MAJOR_VERSION, XCB_DAMAGE_MAJOR_VERSION
34 #define query_extension(dpy, name) \
36 const xcb_query_extension_reply_t *rep; \
37 d_display_ext_t *ext; \
39 xcb_prefetch_extension_data(dpy->conn, &xcb_##name##_id); \
40 rep = xcb_get_extension_data(dpy->conn, &xcb_##name##_id); \
42 ext = find_extension_##name(dpy) \
43 ext->present = rep && rep->present; \
44 ext->error = rep && rep->first_error; \
45 ext->event = rep && rep->first_event; \
46 ext->opcode = rep && rep->major_opcode; \
49 ck_##name = xcb_##name##_query_version(dpy->conn, \
50 version_extension_##name); \
53 #define reply_extension(dpy, name) \
55 xcb_##name##_query_version_reply_t *rep; \
56 d_display_ext_t *ext; \
58 ext = find_extension_##name(dpy) \
60 rep = xcb_##name##_query_version_reply(dpy->conn, ck_##name, NULL); \
62 ext->major_version = rep->major_version; \
63 ext->minor_version = rep->minor_version; \
67 printf("error querying the %s extension's version\n", "##name##");\
68 ext->present = FALSE; \
74 query_atom(d_display_t *dpy, d_atom_query_t *q)
76 q->ck = xcb_intern_atom(dpy->conn, FALSE, strlen(q->name), q->name);
80 reply_atom(d_display_t *dpy, d_atom_query_t *q)
82 xcb_intern_atom_reply_t *rep;
83 rep = xcb_intern_atom_reply(dpy->conn, q->ck, NULL);
89 printf("unable to query atom %s\n", q->name);
95 query_statics(d_display_t *dpy)
97 d_atom_query_t atoms[] = {
98 { .atom = &dpy->a.atom,
100 { .atom = &dpy->a.cardinal,
101 .name = "CARDINAL" },
102 { .atom = &dpy->a.utf8_string,
103 .name = "UTF8_STRING" },
104 { .atom = &dpy->a.string,
106 { .atom = &dpy->a.pixmap,
108 { .atom = &dpy->a.net_wm_window_type,
109 .name = "_NET_WM_WINDOW_TYPE" },
110 { .atom = &dpy->a.net_wm_window_type_desktop,
111 .name = "_NET_WM_WINDOW_TYPE_DESKTOP" },
112 { .atom = &dpy->a.net_wm_window_type_dock,
113 .name = "_NET_WM_WINDOW_TYPE_DOCK" },
114 { .atom = &dpy->a.net_wm_window_type_normal,
115 .name = "_NET_WM_WINDOW_TYPE_NORMAL" },
116 { .atom = &dpy->a.net_wm_window_type_dialog,
117 .name = "_NET_WM_WINDOW_TYPE_DIALOG" },
118 { .atom = &dpy->a.net_wm_window_type_toolbar,
119 .name = "_NET_WM_WINDOW_TYPE_TOOLBAR" },
120 { .atom = &dpy->a.net_wm_window_type_menu,
121 .name = "_NET_WM_WINDOW_TYPE_MENU" },
122 { .atom = &dpy->a.net_wm_window_type_utility,
123 .name = "_NET_WM_WINDOW_TYPE_UTILITY" },
124 { .atom = &dpy->a.net_wm_window_type_splash,
125 .name = "_NET_WM_WINDOW_TYPE_SPLAH" },
126 { .atom = &dpy->a.net_wm_window_type_tooltip,
127 .name = "_NET_WM_WINDOW_TYPE_TOOLTIP" },
128 { .atom = &dpy->a.net_wm_window_type_combo,
129 .name = "_NET_WM_WINDOW_TYPE_COMBO" },
130 { .atom = &dpy->a.net_wm_window_type_dropdown_menu,
131 .name = "_NET_WM_WINDOW_TYPE_DROPDOWN_MENU" },
132 { .atom = &dpy->a.net_wm_window_type_popup_menu,
133 .name = "_NET_WM_WINDOW_TYPE_POPUP_MENU" },
134 { .atom = &dpy->a.net_wm_window_type_notification,
135 .name = "_NET_WM_WINDOW_TYPE_NOTIFICATION" },
139 setup_extension(xfixes);
140 setup_extension(render);
141 setup_extension(composite);
142 setup_extension(damage);
144 query_extension(dpy, xfixes);
145 query_extension(dpy, render);
146 query_extension(dpy, composite);
147 query_extension(dpy, damage);
149 for (i = 0; atoms[i].atom != NULL; ++i)
150 query_atom(dpy, &atoms[i]);
152 xcb_flush(dpy->conn);
154 reply_extension(dpy, xfixes);
155 reply_extension(dpy, render);
156 reply_extension(dpy, composite);
157 reply_extension(dpy, damage);
159 for (i = 0; atoms[i].atom != NULL; ++i)
160 reply_atom(dpy, &atoms[i]);
164 display_open(const char *name)
166 d_display_t *dpy = NULL;
167 xcb_connection_t *conn;
169 conn = xcb_connect(name, NULL);
171 dpy = malloc(sizeof(d_display_t));
181 display_ref(d_display_t *dpy)
187 display_unref(d_display_t *dpy)
189 if (dpy && --dpy->ref == 0) {
190 xcb_disconnect(dpy->conn);
196 display_error(d_display_t *dpy, xcb_generic_error_t *ev)
198 const int major_opcode = ((xcb_request_error_t*)ev)->major_opcode;
199 const int minor_opcode = ((xcb_request_error_t*)ev)->minor_opcode;
200 const char *name, *req;
202 /* XXX check if we should ignore it (ev->full_sequence) */
207 switch (ev->error_code) {
208 case XCB_REQUEST: name = "BadRequest"; break;
209 case XCB_VALUE: name = "BadValue"; break;
210 case XCB_WINDOW: name = "BadWindow"; break;
211 case XCB_PIXMAP: name = "BadPixmap"; break;
212 case XCB_MATCH: name = "BadMatch"; break;
213 case XCB_DRAWABLE: name = "BadDrawable"; break;
214 case XCB_G_CONTEXT: name = "BadGC"; break;
218 switch (ev->error_code - dpy->xfixes.error) {
219 case XCB_XFIXES_BAD_REGION: name = "BadRegion"; break;
223 switch (ev->error_code - dpy->damage.error) {
224 case XCB_DAMAGE_BAD_DAMAGE: name = "BadDamage"; break;
228 switch (ev->error_code - dpy->render.error) {
229 case XCB_RENDER_PICT_FORMAT: name = "BadPictFormat"; break;
230 case XCB_RENDER_PICT_OP: name = "BadPictOp"; break;
231 case XCB_RENDER_PICTURE: name = "BadPicture"; break;
232 case XCB_RENDER_GLYPH_SET: name = "BadGlyphSet"; break;
233 case XCB_RENDER_GLYPH: name = "BadGlyph"; break;
237 if (major_opcode <= 127)
238 switch (major_opcode) {
239 case 1: req = "CreateWindow"; break;
240 case 2: req = "ChangeWindowAttributes"; break;
241 case 3: req = "GetWindowAttributes"; break;
242 case 14: req = "GetGeometry"; break;
243 case 15: req = "QueryTree"; break;
244 case 18: req = "ChangeProperty"; break;
245 case 20: req = "GetProperty"; break;
246 case 22: req = "SetSelectionOwner"; break;
247 case 23: req = "GetSelectionOwner"; break;
248 case 53: req = "CreatePixmap"; break;
249 case 54: req = "FreePixmap"; break;
250 case 55: req = "CreateGC"; break;
251 case 56: req = "ChangeGC"; break;
252 case 60: req = "FreeGC"; break;
253 case 72: req = "PutImage"; break;
258 printf("XError: %s %s!\n",
261 printf("XError: %s major opcode %d minor opcode %d!\n",
262 name, major_opcode, minor_opcode);
264 printf("XError: code %d major opcode %d minor opcode %d!\n",
265 ev->error_code, major_opcode, minor_opcode);