X-Git-Url: https://git.sur5r.net/?p=i3%2Fi3;a=blobdiff_plain;f=src%2Fxcb.c;h=bdfb08bc4d9dd994bc75a7050fa8b06019993eed;hp=48906a26148145ffe3cbaa62ad2ef87b97bc20a9;hb=HEAD;hpb=5a345db18bc92e23a54db16840412cd74b618d1d diff --git a/src/xcb.c b/src/xcb.c index 48906a26..bdfb08bc 100644 --- a/src/xcb.c +++ b/src/xcb.c @@ -2,7 +2,7 @@ * 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 * @@ -16,23 +16,33 @@ unsigned int xcb_numlock_mask; * 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_void_cookie_t gc_cookie = 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, + visual, + mask, + values); - 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); + xcb_generic_error_t *error = xcb_request_check(conn, gc_cookie); + if (error != NULL) { + ELOG("Could not create window. Error code: %d.\n", error->error_code); + } /* Set the cursor */ if (xcursor_supported) { @@ -43,8 +53,9 @@ xcb_window_t create_window(xcb_connection_t *conn, Rect dims, uint16_t window_cl 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); } @@ -56,28 +67,6 @@ xcb_window_t create_window(xcb_connection_t *conn, Rect dims, uint16_t window_cl return result; } -/* - * Draws a line from x,y to to_x,to_y using the given color - * - */ -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_poly_line(conn, XCB_COORD_MODE_ORIGIN, drawable, gc, 2, - (xcb_point_t[]) { {x, y}, {to_x, to_y} }); -} - -/* - * Draws a rectangle from x,y with width,height using the given color - * - */ -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_rectangle_t rect = {x, y, width, height}; - xcb_poly_fill_rectangle(conn, drawable, gc, 1, &rect); -} - /* * Generates a configure_notify_event with absolute coordinates (relative to the X root * window, not to the client’s frame) for the given client. @@ -102,11 +91,11 @@ void fake_absolute_configure_notify(Con *con) { * 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 */ - void *event = scalloc(32); + void *event = scalloc(32, 1); xcb_client_message_event_t *ev = event; ev->response_type = XCB_CLIENT_MESSAGE; @@ -114,22 +103,13 @@ void send_take_focus(xcb_window_t window) { 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); } -/* - * Raises the given window (typically client->frame) above all other windows - * - */ -void xcb_raise_window(xcb_connection_t *conn, xcb_window_t window) { - uint32_t values[] = { XCB_STACK_MODE_ABOVE }; - xcb_configure_window(conn, window, XCB_CONFIG_WINDOW_STACK_MODE, values); -} - /* * Configures the given window to have the size/position specified by given rect * @@ -137,15 +117,45 @@ void xcb_raise_window(xcb_connection_t *conn, xcb_window_t window) { 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 || + atoms[i] == A__NET_WM_WINDOW_TYPE_NOTIFICATION) { + return atoms[i]; + } + } + + return XCB_NONE; +} + /* * Returns true if the given reply contains the given atom. * @@ -163,19 +173,6 @@ bool xcb_reply_contains_atom(xcb_get_property_reply_t *prop, xcb_atom_t atom) { return true; return false; - -} - -/** - * Moves the mouse pointer into the middle of rect. - * - */ -void xcb_warp_pointer_rect(xcb_connection_t *conn, Rect *rect) { - int mid_x = rect->x + (rect->width / 2); - int mid_y = rect->y + (rect->height / 2); - - LOG("warp pointer to: %d %d\n", mid_x, mid_y); - xcb_warp_pointer(conn, XCB_NONE, root, 0, 0, 0, 0, mid_x, mid_y); } /* @@ -188,9 +185,133 @@ void xcb_set_root_cursor(int cursor) { 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 visual type specified by visualid + * + */ +xcb_visualtype_t *get_visualtype_by_id(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 visual_iter.data; + } + } + } + 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; +} + +/* + * Add an atom to a list of atoms the given property defines. + * This is useful, for example, for manipulating _NET_WM_STATE. + * + */ +void xcb_add_property_atom(xcb_connection_t *conn, xcb_window_t window, xcb_atom_t property, xcb_atom_t atom) { + xcb_change_property(conn, XCB_PROP_MODE_APPEND, window, property, XCB_ATOM_ATOM, 32, 1, (uint32_t[]){atom}); +} + +/* + * Remove an atom from a list of atoms the given property defines without + * removing any other potentially set atoms. This is useful, for example, for + * manipulating _NET_WM_STATE. + * + */ +void xcb_remove_property_atom(xcb_connection_t *conn, xcb_window_t window, xcb_atom_t property, xcb_atom_t atom) { + xcb_grab_server(conn); + + xcb_get_property_reply_t *reply = + xcb_get_property_reply(conn, + xcb_get_property(conn, false, window, property, XCB_GET_PROPERTY_TYPE_ANY, 0, 4096), NULL); + if (reply == NULL || xcb_get_property_value_length(reply) == 0) + goto release_grab; + xcb_atom_t *atoms = xcb_get_property_value(reply); + if (atoms == NULL) { + goto release_grab; + } + + { + int num = 0; + const int current_size = xcb_get_property_value_length(reply) / (reply->format / 8); + xcb_atom_t values[current_size]; + for (int i = 0; i < current_size; i++) { + if (atoms[i] != atom) + values[num++] = atoms[i]; + } + + xcb_change_property(conn, XCB_PROP_MODE_REPLACE, window, property, XCB_ATOM_ATOM, 32, num, values); + } + +release_grab: + FREE(reply); + xcb_ungrab_server(conn); +} + +/* + * Grab the specified buttons on a window when managing it. + * + */ +void xcb_grab_buttons(xcb_connection_t *conn, xcb_window_t window, int *buttons) { + int i = 0; + while (buttons[i] > 0) { + xcb_grab_button(conn, false, window, XCB_EVENT_MASK_BUTTON_PRESS, XCB_GRAB_MODE_SYNC, + XCB_GRAB_MODE_ASYNC, root, XCB_NONE, buttons[i], XCB_BUTTON_MASK_ANY); + + i++; + } +}