+#undef I3__FILE__
+#define I3__FILE__ "xcb.c"
/*
* vim:ts=4:sw=4:expandtab
*
unsigned int xcb_numlock_mask;
-/*
- * Loads a font for usage, also getting its height. If fallback is true,
- * i3 loads 'fixed' or '-misc-*' if the font cannot be found instead of
- * exiting.
- *
- */
-i3Font load_font(const char *pattern, bool fallback) {
- i3Font new;
- xcb_void_cookie_t font_cookie;
- xcb_list_fonts_with_info_cookie_t info_cookie;
-
- /* Send all our requests first */
- new.id = xcb_generate_id(conn);
- font_cookie = xcb_open_font_checked(conn, new.id, strlen(pattern), pattern);
- info_cookie = xcb_list_fonts_with_info(conn, 1, strlen(pattern), pattern);
-
- /* Check for errors. If errors, fall back to default font. */
- xcb_generic_error_t *error = xcb_request_check(conn, font_cookie);
-
- /* If we fail to open font, fall back to 'fixed'. If opening 'fixed' fails fall back to '-misc-*' */
- if (fallback && error != NULL) {
- ELOG("Could not open font %s (X error %d). Reverting to backup font.\n", pattern, error->error_code);
- pattern = "fixed";
- font_cookie = xcb_open_font_checked(conn, new.id, strlen(pattern), pattern);
- info_cookie = xcb_list_fonts_with_info(conn, 1, strlen(pattern), pattern);
-
- /* Check if we managed to open 'fixed' */
- xcb_generic_error_t *error = xcb_request_check(conn, font_cookie);
-
- /* Fall back to '-misc-*' if opening 'fixed' fails. */
- if (error != NULL) {
- ELOG("Could not open fallback font '%s', trying with '-misc-*'\n",pattern);
- pattern = "-misc-*";
- font_cookie = xcb_open_font_checked(conn, new.id, strlen(pattern), pattern);
- info_cookie = xcb_list_fonts_with_info(conn, 1, strlen(pattern), pattern);
-
- check_error(conn, font_cookie, "Could open neither requested font nor fallback (fixed or -misc-*");
- }
- }
-
- /* Get information (height/name) for this font */
- xcb_list_fonts_with_info_reply_t *reply = xcb_list_fonts_with_info_reply(conn, info_cookie, NULL);
- exit_if_null(reply, "Could not load font \"%s\"\n", pattern);
-
- new.height = reply->font_ascent + reply->font_descent;
-
- free(reply);
-
- return new;
-}
-
/*
* Convenience wrapper around xcb_create_window which takes care of depth, generating an ID and checking
* for errors.
*
*/
-xcb_window_t create_window(xcb_connection_t *conn, Rect dims, uint16_t window_class,
+xcb_window_t create_window(xcb_connection_t *conn, Rect dims,
+ uint16_t depth, xcb_visualid_t visual, uint16_t window_class,
enum xcursor_cursor_t cursor, bool map, uint32_t mask, uint32_t *values) {
xcb_window_t result = xcb_generate_id(conn);
- /* If the window class is XCB_WINDOW_CLASS_INPUT_ONLY, depth has to be 0 */
- uint16_t depth = (window_class == XCB_WINDOW_CLASS_INPUT_ONLY ? 0 : XCB_COPY_FROM_PARENT);
+ /* If the window class is XCB_WINDOW_CLASS_INPUT_ONLY, we copy depth and
+ * visual id from the parent window. */
+ if (window_class == XCB_WINDOW_CLASS_INPUT_ONLY) {
+ depth = XCB_COPY_FROM_PARENT;
+ visual = XCB_COPY_FROM_PARENT;
+ }
xcb_create_window(conn,
depth,
dims.x, dims.y, dims.width, dims.height, /* dimensions */
0, /* border = 0, we draw our own */
window_class,
- XCB_WINDOW_CLASS_COPY_FROM_PARENT, /* copy visual from parent */
+ visual,
mask,
values);
xcb_cursor_t cursor_id = xcb_generate_id(conn);
i3Font cursor_font = load_font("cursor", false);
int xcb_cursor = xcursor_get_xcb_cursor(cursor);
- xcb_create_glyph_cursor(conn, cursor_id, cursor_font.id, cursor_font.id,
- xcb_cursor, xcb_cursor + 1, 0, 0, 0, 65535, 65535, 65535);
+ xcb_create_glyph_cursor(conn, cursor_id, cursor_font.specific.xcb.id,
+ cursor_font.specific.xcb.id, xcb_cursor, xcb_cursor + 1, 0, 0, 0,
+ 65535, 65535, 65535);
xcb_change_window_attributes(conn, result, XCB_CW_CURSOR, &cursor_id);
xcb_free_cursor(conn, cursor_id);
}
xcb_configure_window(conn, window, XCB_CONFIG_WINDOW_STACK_MODE, values);
}
-/*
- * Query the width of the given text (16-bit characters, UCS) with given real
- * length (amount of glyphs) using the given font.
- *
- */
-int predict_text_width(char *text, int length) {
- xcb_query_text_extents_cookie_t cookie;
- xcb_query_text_extents_reply_t *reply;
- xcb_generic_error_t *error;
- int width;
-
- cookie = xcb_query_text_extents(conn, config.font.id, length, (xcb_char2b_t*)text);
- if ((reply = xcb_query_text_extents_reply(conn, cookie, &error)) == NULL) {
- ELOG("Could not get text extents (X error code %d)\n",
- error->error_code);
- /* We return the rather safe guess of 7 pixels, because a
- * rendering error is better than a crash. Plus, the user will
- * see the error in his log. */
- return 7;
- }
-
- width = reply->overall_width;
- free(reply);
- return width;
-}
-
/*
* Configures the given window to have the size/position specified by given rect
*
xcb_cursor_t cursor_id = xcb_generate_id(conn);
i3Font cursor_font = load_font("cursor", false);
int xcb_cursor = xcursor_get_xcb_cursor(cursor);
- xcb_create_glyph_cursor(conn, cursor_id, cursor_font.id, cursor_font.id,
- xcb_cursor, xcb_cursor + 1, 0, 0, 0, 65535, 65535, 65535);
+ xcb_create_glyph_cursor(conn, cursor_id, cursor_font.specific.xcb.id,
+ cursor_font.specific.xcb.id, xcb_cursor, xcb_cursor + 1, 0, 0, 0,
+ 65535, 65535, 65535);
xcb_change_window_attributes(conn, root, XCB_CW_CURSOR, &cursor_id);
xcb_free_cursor(conn, cursor_id);
xcb_flush(conn);
}
+
+/*
+ * Get depth of visual specified by visualid
+ *
+ */
+uint16_t get_visual_depth(xcb_visualid_t visual_id){
+ xcb_depth_iterator_t depth_iter;
+
+ depth_iter = xcb_screen_allowed_depths_iterator(root_screen);
+ for (; depth_iter.rem; xcb_depth_next(&depth_iter)) {
+ xcb_visualtype_iterator_t visual_iter;
+
+ visual_iter = xcb_depth_visuals_iterator(depth_iter.data);
+ for (; visual_iter.rem; xcb_visualtype_next(&visual_iter)) {
+ if (visual_id == visual_iter.data->visual_id) {
+ return depth_iter.data->depth;
+ }
+ }
+ }
+ return 0;
+}
+
+/*
+ * Get visualid with specified depth
+ *
+ */
+xcb_visualid_t get_visualid_by_depth(uint16_t depth){
+ xcb_depth_iterator_t depth_iter;
+
+ depth_iter = xcb_screen_allowed_depths_iterator(root_screen);
+ for (; depth_iter.rem; xcb_depth_next(&depth_iter)) {
+ if (depth_iter.data->depth != depth)
+ continue;
+
+ xcb_visualtype_iterator_t visual_iter;
+
+ visual_iter = xcb_depth_visuals_iterator(depth_iter.data);
+ if (!visual_iter.rem)
+ continue;
+ return visual_iter.data->visual_id;
+ }
+ return 0;
+}
projects / i3 / i3 / blobdiff