+#undef I3__FILE__
+#define I3__FILE__ "xcb.c"
/*
* vim:ts=4:sw=4:expandtab
*
* i3 - an improved dynamic tiling window manager
- * © 2009-2011 Michael Stapelberg and contributors (see also: LICENSE)
+ * © 2009 Michael Stapelberg and contributors (see also: LICENSE)
*
* xcb.c: Helper functions for easier usage of XCB
*
*/
#include "all.h"
-TAILQ_HEAD(cached_fonts_head, Font) cached_fonts = TAILQ_HEAD_INITIALIZER(cached_fonts);
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,
- enum xcursor_cursor_t cursor, bool map, uint32_t mask, uint32_t *values) {
+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,
- result, /* the window id */
- root, /* parent == root */
- 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 */
- mask,
- values);
+ depth,
+ result, /* the window id */
+ root, /* parent == root */
+ dims.x, dims.y, dims.width, dims.height, /* dimensions */
+ 0, /* border = 0, we draw our own */
+ window_class,
+ visual,
+ mask,
+ values);
/* Set the cursor */
if (xcursor_supported) {
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);
}
*/
void xcb_draw_line(xcb_connection_t *conn, xcb_drawable_t drawable, xcb_gcontext_t gc,
uint32_t colorpixel, uint32_t x, uint32_t y, uint32_t to_x, uint32_t to_y) {
- xcb_change_gc(conn, gc, XCB_GC_FOREGROUND, (uint32_t[]){ colorpixel });
+ xcb_change_gc(conn, gc, XCB_GC_FOREGROUND, (uint32_t[]){colorpixel});
xcb_poly_line(conn, XCB_COORD_MODE_ORIGIN, drawable, gc, 2,
- (xcb_point_t[]) { {x, y}, {to_x, to_y} });
+ (xcb_point_t[]){{x, y}, {to_x, to_y}});
}
/*
*/
void xcb_draw_rect(xcb_connection_t *conn, xcb_drawable_t drawable, xcb_gcontext_t gc,
uint32_t colorpixel, uint32_t x, uint32_t y, uint32_t width, uint32_t height) {
- xcb_change_gc(conn, gc, XCB_GC_FOREGROUND, (uint32_t[]){ colorpixel });
+ xcb_change_gc(conn, gc, XCB_GC_FOREGROUND, (uint32_t[]){colorpixel});
xcb_rectangle_t rect = {x, y, width, height};
xcb_poly_fill_rectangle(conn, drawable, gc, 1, &rect);
}
* Sends the WM_TAKE_FOCUS ClientMessage to the given window
*
*/
-void send_take_focus(xcb_window_t window) {
+void send_take_focus(xcb_window_t window, xcb_timestamp_t timestamp) {
/* Every X11 event is 32 bytes long. Therefore, XCB will copy 32 bytes.
* In order to properly initialize these bytes, we allocate 32 bytes even
* though we only need less for an xcb_configure_notify_event_t */
ev->type = A_WM_PROTOCOLS;
ev->format = 32;
ev->data.data32[0] = A_WM_TAKE_FOCUS;
- ev->data.data32[1] = XCB_CURRENT_TIME;
+ ev->data.data32[1] = timestamp;
DLOG("Sending WM_TAKE_FOCUS to the client\n");
- xcb_send_event(conn, false, window, XCB_EVENT_MASK_NO_EVENT, (char*)ev);
+ xcb_send_event(conn, false, window, XCB_EVENT_MASK_NO_EVENT, (char *)ev);
free(event);
}
*
*/
void xcb_raise_window(xcb_connection_t *conn, xcb_window_t window) {
- uint32_t values[] = { XCB_STACK_MODE_ABOVE };
+ uint32_t values[] = {XCB_STACK_MODE_ABOVE};
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
*
void xcb_set_window_rect(xcb_connection_t *conn, xcb_window_t window, Rect r) {
xcb_void_cookie_t cookie;
cookie = xcb_configure_window(conn, window,
- XCB_CONFIG_WINDOW_X |
- XCB_CONFIG_WINDOW_Y |
- XCB_CONFIG_WINDOW_WIDTH |
- XCB_CONFIG_WINDOW_HEIGHT,
- &(r.x));
+ XCB_CONFIG_WINDOW_X |
+ XCB_CONFIG_WINDOW_Y |
+ XCB_CONFIG_WINDOW_WIDTH |
+ XCB_CONFIG_WINDOW_HEIGHT,
+ &(r.x));
/* ignore events which are generated because we configured a window */
add_ignore_event(cookie.sequence, -1);
}
+/*
+ * Returns the first supported _NET_WM_WINDOW_TYPE atom.
+ *
+ */
+xcb_atom_t xcb_get_preferred_window_type(xcb_get_property_reply_t *reply) {
+ if (reply == NULL || xcb_get_property_value_length(reply) == 0)
+ return XCB_NONE;
+
+ xcb_atom_t *atoms;
+ if ((atoms = xcb_get_property_value(reply)) == NULL)
+ return XCB_NONE;
+
+ for (int i = 0; i < xcb_get_property_value_length(reply) / (reply->format / 8); i++) {
+ if (atoms[i] == A__NET_WM_WINDOW_TYPE_NORMAL ||
+ atoms[i] == A__NET_WM_WINDOW_TYPE_DIALOG ||
+ atoms[i] == A__NET_WM_WINDOW_TYPE_UTILITY ||
+ atoms[i] == A__NET_WM_WINDOW_TYPE_TOOLBAR ||
+ atoms[i] == A__NET_WM_WINDOW_TYPE_SPLASH ||
+ atoms[i] == A__NET_WM_WINDOW_TYPE_MENU ||
+ atoms[i] == A__NET_WM_WINDOW_TYPE_DROPDOWN_MENU ||
+ atoms[i] == A__NET_WM_WINDOW_TYPE_POPUP_MENU ||
+ atoms[i] == A__NET_WM_WINDOW_TYPE_TOOLTIP) {
+ return atoms[i];
+ }
+ }
+
+ return XCB_NONE;
+}
+
/*
* Returns true if the given reply contains the given atom.
*
return true;
return false;
-
}
/**
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