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00014 #include "all.h"
00015
00016 TAILQ_HEAD(cached_fonts_head, Font) cached_fonts = TAILQ_HEAD_INITIALIZER(cached_fonts);
00017 unsigned int xcb_numlock_mask;
00018
00019
00020
00021
00022
00023
00024
00025 i3Font load_font(const char *pattern, bool fallback) {
00026 i3Font new;
00027 xcb_void_cookie_t font_cookie;
00028 xcb_list_fonts_with_info_cookie_t info_cookie;
00029
00030
00031 new.id = xcb_generate_id(conn);
00032 font_cookie = xcb_open_font_checked(conn, new.id, strlen(pattern), pattern);
00033 info_cookie = xcb_list_fonts_with_info(conn, 1, strlen(pattern), pattern);
00034
00035
00036 xcb_generic_error_t *error = xcb_request_check(conn, font_cookie);
00037
00038
00039 if (error != NULL) {
00040 ELOG("Could not open font %s (X error %d). Reverting to backup font.\n", pattern, error->error_code);
00041 pattern = "fixed";
00042 font_cookie = xcb_open_font_checked(conn, new.id, strlen(pattern), pattern);
00043 info_cookie = xcb_list_fonts_with_info(conn, 1, strlen(pattern), pattern);
00044
00045
00046 xcb_generic_error_t *error = xcb_request_check(conn, font_cookie);
00047
00048
00049 if (error != NULL) {
00050 ELOG("Could not open fallback font '%s', trying with '-misc-*'\n",pattern);
00051 pattern = "-misc-*";
00052 font_cookie = xcb_open_font_checked(conn, new.id, strlen(pattern), pattern);
00053 info_cookie = xcb_list_fonts_with_info(conn, 1, strlen(pattern), pattern);
00054
00055 check_error(conn, font_cookie, "Could open neither requested font nor fallback (fixed or -misc-*");
00056 }
00057 }
00058
00059
00060 xcb_list_fonts_with_info_reply_t *reply = xcb_list_fonts_with_info_reply(conn, info_cookie, NULL);
00061 exit_if_null(reply, "Could not load font \"%s\"\n", pattern);
00062
00063 new.height = reply->font_ascent + reply->font_descent;
00064
00065 free(reply);
00066
00067 return new;
00068 }
00069
00070
00071
00072
00073
00074
00075
00076
00077
00078
00079 uint32_t get_colorpixel(char *hex) {
00080 char strgroups[3][3] = {{hex[1], hex[2], '\0'},
00081 {hex[3], hex[4], '\0'},
00082 {hex[5], hex[6], '\0'}};
00083 uint32_t rgb16[3] = {(strtol(strgroups[0], NULL, 16)),
00084 (strtol(strgroups[1], NULL, 16)),
00085 (strtol(strgroups[2], NULL, 16))};
00086
00087 return (rgb16[0] << 16) + (rgb16[1] << 8) + rgb16[2];
00088 }
00089
00090
00091
00092
00093
00094
00095 xcb_window_t create_window(xcb_connection_t *conn, Rect dims, uint16_t window_class,
00096 enum xcursor_cursor_t cursor, bool map, uint32_t mask, uint32_t *values) {
00097 xcb_window_t result = xcb_generate_id(conn);
00098
00099
00100 uint16_t depth = (window_class == XCB_WINDOW_CLASS_INPUT_ONLY ? 0 : XCB_COPY_FROM_PARENT);
00101
00102 xcb_create_window(conn,
00103 depth,
00104 result,
00105 root,
00106 dims.x, dims.y, dims.width, dims.height,
00107 0,
00108 window_class,
00109 XCB_WINDOW_CLASS_COPY_FROM_PARENT,
00110 mask,
00111 values);
00112
00113
00114 if (xcursor_supported) {
00115 mask = XCB_CW_CURSOR;
00116 values[0] = xcursor_get_cursor(cursor);
00117 xcb_change_window_attributes(conn, result, mask, values);
00118 } else {
00119 xcb_cursor_t cursor_id = xcb_generate_id(conn);
00120 i3Font cursor_font = load_font("cursor", false);
00121 int xcb_cursor = xcursor_get_xcb_cursor(cursor);
00122 xcb_create_glyph_cursor(conn, cursor_id, cursor_font.id, cursor_font.id,
00123 xcb_cursor, xcb_cursor + 1, 0, 0, 0, 65535, 65535, 65535);
00124 xcb_change_window_attributes(conn, result, XCB_CW_CURSOR, &cursor_id);
00125 xcb_free_cursor(conn, cursor_id);
00126 }
00127
00128
00129 if (map)
00130 xcb_map_window(conn, result);
00131
00132 return result;
00133 }
00134
00135
00136
00137
00138
00139 void xcb_change_gc_single(xcb_connection_t *conn, xcb_gcontext_t gc, uint32_t mask, uint32_t value) {
00140 xcb_change_gc(conn, gc, mask, &value);
00141 }
00142
00143
00144
00145
00146
00147 void xcb_draw_line(xcb_connection_t *conn, xcb_drawable_t drawable, xcb_gcontext_t gc,
00148 uint32_t colorpixel, uint32_t x, uint32_t y, uint32_t to_x, uint32_t to_y) {
00149 xcb_change_gc_single(conn, gc, XCB_GC_FOREGROUND, colorpixel);
00150 xcb_point_t points[] = {{x, y}, {to_x, to_y}};
00151 xcb_poly_line(conn, XCB_COORD_MODE_ORIGIN, drawable, gc, 2, points);
00152 }
00153
00154
00155
00156
00157
00158 void xcb_draw_rect(xcb_connection_t *conn, xcb_drawable_t drawable, xcb_gcontext_t gc,
00159 uint32_t colorpixel, uint32_t x, uint32_t y, uint32_t width, uint32_t height) {
00160 xcb_change_gc_single(conn, gc, XCB_GC_FOREGROUND, colorpixel);
00161 xcb_rectangle_t rect = {x, y, width, height};
00162 xcb_poly_fill_rectangle(conn, drawable, gc, 1, &rect);
00163 }
00164
00165
00166
00167
00168
00169
00170
00171 void fake_configure_notify(xcb_connection_t *conn, Rect r, xcb_window_t window) {
00172
00173
00174
00175 void *event = scalloc(32);
00176 xcb_configure_notify_event_t *generated_event = event;
00177
00178 generated_event->event = window;
00179 generated_event->window = window;
00180 generated_event->response_type = XCB_CONFIGURE_NOTIFY;
00181
00182 generated_event->x = r.x;
00183 generated_event->y = r.y;
00184 generated_event->width = r.width;
00185 generated_event->height = r.height;
00186
00187 generated_event->border_width = 0;
00188 generated_event->above_sibling = XCB_NONE;
00189 generated_event->override_redirect = false;
00190
00191 xcb_send_event(conn, false, window, XCB_EVENT_MASK_STRUCTURE_NOTIFY, (char*)generated_event);
00192 xcb_flush(conn);
00193
00194 free(event);
00195 }
00196
00197
00198
00199
00200
00201
00202 void fake_absolute_configure_notify(Con *con) {
00203 Rect absolute;
00204 if (con->window == NULL)
00205 return;
00206
00207 absolute.x = con->rect.x + con->window_rect.x;
00208 absolute.y = con->rect.y + con->window_rect.y;
00209 absolute.width = con->window_rect.width;
00210 absolute.height = con->window_rect.height;
00211
00212 DLOG("fake rect = (%d, %d, %d, %d)\n", absolute.x, absolute.y, absolute.width, absolute.height);
00213
00214 fake_configure_notify(conn, absolute, con->window->id);
00215 }
00216
00217
00218
00219
00220
00221 void send_take_focus(xcb_window_t window) {
00222
00223
00224
00225 void *event = scalloc(32);
00226 xcb_client_message_event_t *ev = event;
00227
00228 ev->response_type = XCB_CLIENT_MESSAGE;
00229 ev->window = window;
00230 ev->type = A_WM_PROTOCOLS;
00231 ev->format = 32;
00232 ev->data.data32[0] = A_WM_TAKE_FOCUS;
00233 ev->data.data32[1] = XCB_CURRENT_TIME;
00234
00235 DLOG("Sending WM_TAKE_FOCUS to the client\n");
00236 xcb_send_event(conn, false, window, XCB_EVENT_MASK_NO_EVENT, (char*)ev);
00237 free(event);
00238 }
00239
00240
00241
00242
00243
00244 void xcb_get_numlock_mask(xcb_connection_t *conn) {
00245 xcb_key_symbols_t *keysyms;
00246 xcb_get_modifier_mapping_cookie_t cookie;
00247 xcb_get_modifier_mapping_reply_t *reply;
00248 xcb_keycode_t *modmap;
00249 int mask, i;
00250 const int masks[8] = { XCB_MOD_MASK_SHIFT,
00251 XCB_MOD_MASK_LOCK,
00252 XCB_MOD_MASK_CONTROL,
00253 XCB_MOD_MASK_1,
00254 XCB_MOD_MASK_2,
00255 XCB_MOD_MASK_3,
00256 XCB_MOD_MASK_4,
00257 XCB_MOD_MASK_5 };
00258
00259
00260 cookie = xcb_get_modifier_mapping(conn);
00261
00262
00263 keysyms = xcb_key_symbols_alloc(conn);
00264
00265 if ((reply = xcb_get_modifier_mapping_reply(conn, cookie, NULL)) == NULL) {
00266 xcb_key_symbols_free(keysyms);
00267 return;
00268 }
00269
00270 modmap = xcb_get_modifier_mapping_keycodes(reply);
00271
00272
00273 #ifdef OLD_XCB_KEYSYMS_API
00274 xcb_keycode_t numlock = xcb_key_symbols_get_keycode(keysyms, XCB_NUM_LOCK);
00275 #else
00276
00277 xcb_keycode_t *numlock_syms = xcb_key_symbols_get_keycode(keysyms, XCB_NUM_LOCK);
00278 if (numlock_syms == NULL)
00279 return;
00280 xcb_keycode_t numlock = *numlock_syms;
00281 free(numlock_syms);
00282 #endif
00283
00284
00285 for (mask = 0; mask < 8; mask++)
00286 for (i = 0; i < reply->keycodes_per_modifier; i++)
00287 if (modmap[(mask * reply->keycodes_per_modifier) + i] == numlock)
00288 xcb_numlock_mask = masks[mask];
00289
00290 xcb_key_symbols_free(keysyms);
00291 free(reply);
00292 }
00293
00294
00295
00296
00297
00298 void xcb_raise_window(xcb_connection_t *conn, xcb_window_t window) {
00299 uint32_t values[] = { XCB_STACK_MODE_ABOVE };
00300 xcb_configure_window(conn, window, XCB_CONFIG_WINDOW_STACK_MODE, values);
00301 }
00302
00303
00304
00305
00306
00307
00308 int predict_text_width(char *text, int length) {
00309 xcb_query_text_extents_cookie_t cookie;
00310 xcb_query_text_extents_reply_t *reply;
00311 xcb_generic_error_t *error;
00312 int width;
00313
00314 cookie = xcb_query_text_extents(conn, config.font.id, length, (xcb_char2b_t*)text);
00315 if ((reply = xcb_query_text_extents_reply(conn, cookie, &error)) == NULL) {
00316 ELOG("Could not get text extents (X error code %d)\n",
00317 error->error_code);
00318
00319
00320
00321 return 7;
00322 }
00323
00324 width = reply->overall_width;
00325 free(reply);
00326 return width;
00327 }
00328
00329
00330
00331
00332
00333 void xcb_set_window_rect(xcb_connection_t *conn, xcb_window_t window, Rect r) {
00334 xcb_void_cookie_t cookie;
00335 cookie = xcb_configure_window(conn, window,
00336 XCB_CONFIG_WINDOW_X |
00337 XCB_CONFIG_WINDOW_Y |
00338 XCB_CONFIG_WINDOW_WIDTH |
00339 XCB_CONFIG_WINDOW_HEIGHT,
00340 &(r.x));
00341
00342 add_ignore_event(cookie.sequence, -1);
00343 }
00344
00345
00346
00347
00348
00349 bool xcb_reply_contains_atom(xcb_get_property_reply_t *prop, xcb_atom_t atom) {
00350 if (prop == NULL || xcb_get_property_value_length(prop) == 0)
00351 return false;
00352
00353 xcb_atom_t *atoms;
00354 if ((atoms = xcb_get_property_value(prop)) == NULL)
00355 return false;
00356
00357 for (int i = 0; i < xcb_get_property_value_length(prop) / (prop->format / 8); i++)
00358 if (atoms[i] == atom)
00359 return true;
00360
00361 return false;
00362
00363 }