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00013 #include <stdint.h>
00014 #include <stdio.h>
00015 #include <stdlib.h>
00016 #include <string.h>
00017
00018 #include <xcb/xcb.h>
00019 #include <xcb/xcb_keysyms.h>
00020
00021 #include "i3.h"
00022 #include "util.h"
00023 #include "xcb.h"
00024 #include "log.h"
00025
00026 TAILQ_HEAD(cached_fonts_head, Font) cached_fonts = TAILQ_HEAD_INITIALIZER(cached_fonts);
00027 unsigned int xcb_numlock_mask;
00028
00029
00030
00031
00032
00033
00034 i3Font *load_font(xcb_connection_t *conn, const char *pattern) {
00035
00036 i3Font *font;
00037 TAILQ_FOREACH(font, &cached_fonts, fonts)
00038 if (strcmp(font->pattern, pattern) == 0)
00039 return font;
00040
00041 i3Font *new = smalloc(sizeof(i3Font));
00042 xcb_void_cookie_t font_cookie;
00043 xcb_list_fonts_with_info_cookie_t info_cookie;
00044
00045
00046 new->id = xcb_generate_id(conn);
00047 font_cookie = xcb_open_font_checked(conn, new->id, strlen(pattern), pattern);
00048 info_cookie = xcb_list_fonts_with_info(conn, 1, strlen(pattern), pattern);
00049
00050 check_error(conn, font_cookie, "Could not open font");
00051
00052
00053 xcb_list_fonts_with_info_reply_t *reply = xcb_list_fonts_with_info_reply(conn, info_cookie, NULL);
00054 exit_if_null(reply, "Could not load font \"%s\"\n", pattern);
00055
00056 if (asprintf(&(new->name), "%.*s", xcb_list_fonts_with_info_name_length(reply),
00057 xcb_list_fonts_with_info_name(reply)) == -1)
00058 die("asprintf() failed\n");
00059 new->pattern = sstrdup(pattern);
00060 new->height = reply->font_ascent + reply->font_descent;
00061
00062
00063 TAILQ_INSERT_TAIL(&cached_fonts, new, fonts);
00064
00065 return new;
00066 }
00067
00068
00069
00070
00071
00072
00073
00074
00075
00076
00077 uint32_t get_colorpixel(xcb_connection_t *conn, char *hex) {
00078 char strgroups[3][3] = {{hex[1], hex[2], '\0'},
00079 {hex[3], hex[4], '\0'},
00080 {hex[5], hex[6], '\0'}};
00081 uint32_t rgb16[3] = {(strtol(strgroups[0], NULL, 16)),
00082 (strtol(strgroups[1], NULL, 16)),
00083 (strtol(strgroups[2], NULL, 16))};
00084
00085 return (rgb16[0] << 16) + (rgb16[1] << 8) + rgb16[2];
00086 }
00087
00088
00089
00090
00091
00092
00093 xcb_window_t create_window(xcb_connection_t *conn, Rect dims, uint16_t window_class, int cursor,
00094 bool map, uint32_t mask, uint32_t *values) {
00095 xcb_window_t root = xcb_setup_roots_iterator(xcb_get_setup(conn)).data->root;
00096 xcb_window_t result = xcb_generate_id(conn);
00097 xcb_cursor_t cursor_id = 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 i3Font *cursor_font = load_font(conn, "cursor");
00115 xcb_create_glyph_cursor(conn, cursor_id, cursor_font->id, cursor_font->id,
00116 (cursor == -1 ? XCB_CURSOR_LEFT_PTR : cursor),
00117 (cursor == -1 ? XCB_CURSOR_LEFT_PTR : cursor) + 1,
00118 0, 0, 0, 65535, 65535, 65535);
00119 xcb_change_window_attributes(conn, result, XCB_CW_CURSOR, &cursor_id);
00120 xcb_free_cursor(conn, cursor_id);
00121
00122
00123 if (map)
00124 xcb_map_window(conn, result);
00125
00126 return result;
00127 }
00128
00129
00130
00131
00132
00133 void xcb_change_gc_single(xcb_connection_t *conn, xcb_gcontext_t gc, uint32_t mask, uint32_t value) {
00134 xcb_change_gc(conn, gc, mask, &value);
00135 }
00136
00137
00138
00139
00140
00141 void xcb_draw_line(xcb_connection_t *conn, xcb_drawable_t drawable, xcb_gcontext_t gc,
00142 uint32_t colorpixel, uint32_t x, uint32_t y, uint32_t to_x, uint32_t to_y) {
00143 xcb_change_gc_single(conn, gc, XCB_GC_FOREGROUND, colorpixel);
00144 xcb_point_t points[] = {{x, y}, {to_x, to_y}};
00145 xcb_poly_line(conn, XCB_COORD_MODE_ORIGIN, drawable, gc, 2, points);
00146 }
00147
00148
00149
00150
00151
00152 void xcb_draw_rect(xcb_connection_t *conn, xcb_drawable_t drawable, xcb_gcontext_t gc,
00153 uint32_t colorpixel, uint32_t x, uint32_t y, uint32_t width, uint32_t height) {
00154 xcb_change_gc_single(conn, gc, XCB_GC_FOREGROUND, colorpixel);
00155 xcb_rectangle_t rect = {x, y, width, height};
00156 xcb_poly_fill_rectangle(conn, drawable, gc, 1, &rect);
00157 }
00158
00159
00160
00161
00162
00163
00164
00165 void fake_configure_notify(xcb_connection_t *conn, Rect r, xcb_window_t window) {
00166 xcb_configure_notify_event_t generated_event;
00167
00168 generated_event.event = window;
00169 generated_event.window = window;
00170 generated_event.response_type = XCB_CONFIGURE_NOTIFY;
00171
00172 generated_event.x = r.x;
00173 generated_event.y = r.y;
00174 generated_event.width = r.width;
00175 generated_event.height = r.height;
00176
00177 generated_event.border_width = 0;
00178 generated_event.above_sibling = XCB_NONE;
00179 generated_event.override_redirect = false;
00180
00181 xcb_send_event(conn, false, window, XCB_EVENT_MASK_STRUCTURE_NOTIFY, (char*)&generated_event);
00182 xcb_flush(conn);
00183 }
00184
00185
00186
00187
00188
00189
00190 void fake_absolute_configure_notify(xcb_connection_t *conn, Client *client) {
00191 Rect absolute;
00192
00193 absolute.x = client->rect.x + client->child_rect.x;
00194 absolute.y = client->rect.y + client->child_rect.y;
00195 absolute.width = client->child_rect.width;
00196 absolute.height = client->child_rect.height;
00197
00198 fake_configure_notify(conn, absolute, client->child);
00199 }
00200
00201
00202
00203
00204
00205 void xcb_get_numlock_mask(xcb_connection_t *conn) {
00206 xcb_key_symbols_t *keysyms;
00207 xcb_get_modifier_mapping_cookie_t cookie;
00208 xcb_get_modifier_mapping_reply_t *reply;
00209 xcb_keycode_t *modmap;
00210 int mask, i;
00211 const int masks[8] = { XCB_MOD_MASK_SHIFT,
00212 XCB_MOD_MASK_LOCK,
00213 XCB_MOD_MASK_CONTROL,
00214 XCB_MOD_MASK_1,
00215 XCB_MOD_MASK_2,
00216 XCB_MOD_MASK_3,
00217 XCB_MOD_MASK_4,
00218 XCB_MOD_MASK_5 };
00219
00220
00221 cookie = xcb_get_modifier_mapping_unchecked(conn);
00222
00223
00224 keysyms = xcb_key_symbols_alloc(conn);
00225
00226 if ((reply = xcb_get_modifier_mapping_reply(conn, cookie, NULL)) == NULL) {
00227 xcb_key_symbols_free(keysyms);
00228 return;
00229 }
00230
00231 modmap = xcb_get_modifier_mapping_keycodes(reply);
00232
00233
00234 #ifdef OLD_XCB_KEYSYMS_API
00235 xcb_keycode_t numlock = xcb_key_symbols_get_keycode(keysyms, XCB_NUM_LOCK);
00236 #else
00237
00238 xcb_keycode_t *numlock_syms = xcb_key_symbols_get_keycode(keysyms, XCB_NUM_LOCK);
00239 if (numlock_syms == NULL)
00240 return;
00241 xcb_keycode_t numlock = *numlock_syms;
00242 free(numlock_syms);
00243 #endif
00244
00245
00246 for (mask = 0; mask < 8; mask++)
00247 for (i = 0; i < reply->keycodes_per_modifier; i++)
00248 if (modmap[(mask * reply->keycodes_per_modifier) + i] == numlock)
00249 xcb_numlock_mask = masks[mask];
00250
00251 xcb_key_symbols_free(keysyms);
00252 free(reply);
00253 }
00254
00255
00256
00257
00258
00259 void xcb_raise_window(xcb_connection_t *conn, xcb_window_t window) {
00260 uint32_t values[] = { XCB_STACK_MODE_ABOVE };
00261 xcb_configure_window(conn, window, XCB_CONFIG_WINDOW_STACK_MODE, values);
00262 }
00263
00264
00265
00266
00267
00268
00269
00270
00271 void cached_pixmap_prepare(xcb_connection_t *conn, struct Cached_Pixmap *pixmap) {
00272 DLOG("preparing pixmap\n");
00273
00274
00275 if (memcmp(&(pixmap->rect), pixmap->referred_rect, sizeof(Rect)) == 0)
00276 return;
00277
00278 memcpy(&(pixmap->rect), pixmap->referred_rect, sizeof(Rect));
00279
00280 if (pixmap->id == 0 || pixmap->gc == 0) {
00281 DLOG("Creating new pixmap...\n");
00282 pixmap->id = xcb_generate_id(conn);
00283 pixmap->gc = xcb_generate_id(conn);
00284 } else {
00285 DLOG("Re-creating this pixmap...\n");
00286 xcb_free_gc(conn, pixmap->gc);
00287 xcb_free_pixmap(conn, pixmap->id);
00288 }
00289
00290 xcb_create_pixmap(conn, root_depth, pixmap->id,
00291 pixmap->referred_drawable, pixmap->rect.width, pixmap->rect.height);
00292
00293 xcb_create_gc(conn, pixmap->gc, pixmap->id, 0, 0);
00294 }
00295
00296
00297
00298
00299
00300
00301 int predict_text_width(xcb_connection_t *conn, const char *font_pattern, char *text, int length) {
00302 i3Font *font = load_font(conn, font_pattern);
00303
00304 xcb_query_text_extents_cookie_t cookie;
00305 xcb_query_text_extents_reply_t *reply;
00306 xcb_generic_error_t *error;
00307 int width;
00308
00309 cookie = xcb_query_text_extents(conn, font->id, length, (xcb_char2b_t*)text);
00310 if ((reply = xcb_query_text_extents_reply(conn, cookie, &error)) == NULL) {
00311 ELOG("Could not get text extents (X error code %d)\n",
00312 error->error_code);
00313
00314
00315
00316 return 7;
00317 }
00318
00319 width = reply->overall_width;
00320 free(reply);
00321 return width;
00322 }
00323
00324
00325
00326
00327
00328 void xcb_set_window_rect(xcb_connection_t *conn, xcb_window_t window, Rect r) {
00329 xcb_configure_window(conn, window,
00330 XCB_CONFIG_WINDOW_X |
00331 XCB_CONFIG_WINDOW_Y |
00332 XCB_CONFIG_WINDOW_WIDTH |
00333 XCB_CONFIG_WINDOW_HEIGHT,
00334 &(r.x));
00335 }