X-Git-Url: https://git.sur5r.net/?p=i3%2Fi3lock;a=blobdiff_plain;f=xcb.c;h=4f065542928fc1435d4ee171ebe6c6f22d2b7b78;hp=bf9f9948c134e5c4468189b18e64c77f27d3b9a7;hb=HEAD;hpb=f6af0857849e235f49be1c0db585660ec0348c04 diff --git a/xcb.c b/xcb.c index bf9f994..4f06554 100644 --- a/xcb.c +++ b/xcb.c @@ -8,41 +8,50 @@ * */ #include -#include #include -#include +#include +#include #include #include #include +#include #include #include #include +#include +#include #include "cursors.h" +#include "unlock_indicator.h" + +extern auth_state_t auth_state; + +xcb_connection_t *conn; +xcb_screen_t *screen; #define curs_invisible_width 8 #define curs_invisible_height 8 static unsigned char curs_invisible_bits[] = { - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }; + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}; #define curs_windows_width 11 #define curs_windows_height 19 static unsigned char curs_windows_bits[] = { - 0xfe, 0x07, 0xfc, 0x07, 0xfa, 0x07, 0xf6, 0x07, 0xee, 0x07, 0xde, 0x07, - 0xbe, 0x07, 0x7e, 0x07, 0xfe, 0x06, 0xfe, 0x05, 0x3e, 0x00, 0xb6, 0x07, - 0x6a, 0x07, 0x6c, 0x07, 0xde, 0x06, 0xdf, 0x06, 0xbf, 0x05, 0xbf, 0x05, - 0x7f, 0x06 }; + 0xfe, 0x07, 0xfc, 0x07, 0xfa, 0x07, 0xf6, 0x07, 0xee, 0x07, 0xde, 0x07, + 0xbe, 0x07, 0x7e, 0x07, 0xfe, 0x06, 0xfe, 0x05, 0x3e, 0x00, 0xb6, 0x07, + 0x6a, 0x07, 0x6c, 0x07, 0xde, 0x06, 0xdf, 0x06, 0xbf, 0x05, 0xbf, 0x05, + 0x7f, 0x06}; #define mask_windows_width 11 #define mask_windows_height 19 static unsigned char mask_windows_bits[] = { - 0x01, 0x00, 0x03, 0x00, 0x07, 0x00, 0x0f, 0x00, 0x1f, 0x00, 0x3f, 0x00, - 0x7f, 0x00, 0xff, 0x00, 0xff, 0x01, 0xff, 0x03, 0xff, 0x07, 0x7f, 0x00, - 0xf7, 0x00, 0xf3, 0x00, 0xe1, 0x01, 0xe0, 0x01, 0xc0, 0x03, 0xc0, 0x03, - 0x80, 0x01 }; + 0x01, 0x00, 0x03, 0x00, 0x07, 0x00, 0x0f, 0x00, 0x1f, 0x00, 0x3f, 0x00, + 0x7f, 0x00, 0xff, 0x00, 0xff, 0x01, 0xff, 0x03, 0xff, 0x07, 0x7f, 0x00, + 0xf7, 0x00, 0xf3, 0x00, 0xe1, 0x01, 0xe0, 0x01, 0xc0, 0x03, 0xc0, 0x03, + 0x80, 0x01}; static uint32_t get_colorpixel(char *hex) { char strgroups[3][3] = {{hex[0], hex[1], '\0'}, @@ -53,7 +62,7 @@ static uint32_t get_colorpixel(char *hex) { (strtol(strgroups[2], NULL, 16))}; return (rgb16[0] << 16) + (rgb16[1] << 8) + rgb16[2]; -} +} xcb_visualtype_t *get_root_visual_type(xcb_screen_t *screen) { xcb_visualtype_t *visual_type = NULL; @@ -63,7 +72,6 @@ xcb_visualtype_t *get_root_visual_type(xcb_screen_t *screen) { for (depth_iter = xcb_screen_allowed_depths_iterator(screen); depth_iter.rem; xcb_depth_next(&depth_iter)) { - for (visual_iter = xcb_depth_visuals_iterator(depth_iter.data); visual_iter.rem; xcb_visualtype_next(&visual_iter)) { @@ -78,13 +86,35 @@ xcb_visualtype_t *get_root_visual_type(xcb_screen_t *screen) { return NULL; } -xcb_window_t open_fullscreen_window(xcb_connection_t *conn, xcb_screen_t *scr, char *color) { +xcb_pixmap_t create_bg_pixmap(xcb_connection_t *conn, xcb_screen_t *scr, u_int32_t *resolution, char *color) { + xcb_pixmap_t bg_pixmap = xcb_generate_id(conn); + xcb_create_pixmap(conn, scr->root_depth, bg_pixmap, scr->root, + resolution[0], resolution[1]); + + /* Generate a Graphics Context and fill the pixmap with background color + * (for images that are smaller than your screen) */ + xcb_gcontext_t gc = xcb_generate_id(conn); + uint32_t values[] = {get_colorpixel(color)}; + xcb_create_gc(conn, gc, bg_pixmap, XCB_GC_FOREGROUND, values); + xcb_rectangle_t rect = {0, 0, resolution[0], resolution[1]}; + xcb_poly_fill_rectangle(conn, bg_pixmap, gc, 1, &rect); + xcb_free_gc(conn, gc); + + return bg_pixmap; +} + +xcb_window_t open_fullscreen_window(xcb_connection_t *conn, xcb_screen_t *scr, char *color, xcb_pixmap_t pixmap) { uint32_t mask = 0; uint32_t values[3]; xcb_window_t win = xcb_generate_id(conn); - mask |= XCB_CW_BACK_PIXEL; - values[0] = get_colorpixel(color); + if (pixmap == XCB_NONE) { + mask |= XCB_CW_BACK_PIXEL; + values[0] = get_colorpixel(color); + } else { + mask |= XCB_CW_BACK_PIXMAP; + values[0] = pixmap; + } mask |= XCB_CW_OVERRIDE_REDIRECT; values[1] = 1; @@ -93,21 +123,41 @@ xcb_window_t open_fullscreen_window(xcb_connection_t *conn, xcb_screen_t *scr, c values[2] = XCB_EVENT_MASK_EXPOSURE | XCB_EVENT_MASK_KEY_PRESS | XCB_EVENT_MASK_KEY_RELEASE | - XCB_EVENT_MASK_VISIBILITY_CHANGE; + XCB_EVENT_MASK_VISIBILITY_CHANGE | + XCB_EVENT_MASK_STRUCTURE_NOTIFY; xcb_create_window(conn, - 24, - win, /* the window id */ + XCB_COPY_FROM_PARENT, + win, /* the window id */ scr->root, /* parent == root */ 0, 0, scr->width_in_pixels, scr->height_in_pixels, /* dimensions */ - 0, /* border = 0, we draw our own */ + 0, /* border = 0, we draw our own */ XCB_WINDOW_CLASS_INPUT_OUTPUT, XCB_WINDOW_CLASS_COPY_FROM_PARENT, /* copy visual from parent */ mask, values); + char *name = "i3lock"; + xcb_change_property(conn, + XCB_PROP_MODE_REPLACE, + win, + XCB_ATOM_WM_NAME, + XCB_ATOM_STRING, + 8, + strlen(name), + name); + + xcb_change_property(conn, + XCB_PROP_MODE_REPLACE, + win, + XCB_ATOM_WM_CLASS, + XCB_ATOM_STRING, + 8, + 2 * (strlen("i3lock") + 1), + "i3lock\0i3lock\0"); + /* Map the window (= make it visible) */ xcb_map_window(conn, win); @@ -115,58 +165,34 @@ xcb_window_t open_fullscreen_window(xcb_connection_t *conn, xcb_screen_t *scr, c values[0] = XCB_STACK_MODE_ABOVE; xcb_configure_window(conn, win, XCB_CONFIG_WINDOW_STACK_MODE, values); + /* Ensure that the window is created and set up before returning */ + xcb_aux_sync(conn); + return win; } /* - * Returns the mask for Mode_switch (to be used for looking up keysymbols by - * keycode). + * Repeatedly tries to grab pointer and keyboard (up to the specified number of + * tries). * - */ -uint32_t get_mod_mask(xcb_connection_t *conn, xcb_key_symbols_t *symbols, uint32_t keycode) { - xcb_get_modifier_mapping_reply_t *modmap_r; - xcb_keycode_t *modmap, kc; - xcb_keycode_t *modeswitchcodes = xcb_key_symbols_get_keycode(symbols, keycode); - if (modeswitchcodes == NULL) - return 0; - - modmap_r = xcb_get_modifier_mapping_reply(conn, xcb_get_modifier_mapping(conn), NULL); - modmap = xcb_get_modifier_mapping_keycodes(modmap_r); - - for (int i = 0; i < 8; i++) - for (int j = 0; j < modmap_r->keycodes_per_modifier; j++) { - kc = modmap[i * modmap_r->keycodes_per_modifier + j]; - for (xcb_keycode_t *ktest = modeswitchcodes; *ktest; ktest++) { - if (*ktest != kc) - continue; - - free(modeswitchcodes); - free(modmap_r); - return (1 << i); - } - } - - return 0; -} - -void dpms_turn_off_screen(xcb_connection_t *conn) { - xcb_dpms_enable(conn); - xcb_dpms_force_level(conn, XCB_DPMS_DPMS_MODE_OFF); - xcb_flush(conn); -} - -/* - * Repeatedly tries to grab pointer and keyboard (up to 1000 times). + * Returns true if the grab succeeded, false if not. * */ -void grab_pointer_and_keyboard(xcb_connection_t *conn, xcb_screen_t *screen, xcb_cursor_t cursor) { +bool grab_pointer_and_keyboard(xcb_connection_t *conn, xcb_screen_t *screen, xcb_cursor_t cursor, int tries) { xcb_grab_pointer_cookie_t pcookie; xcb_grab_pointer_reply_t *preply; xcb_grab_keyboard_cookie_t kcookie; xcb_grab_keyboard_reply_t *kreply; - int tries = 10000; + const suseconds_t screen_redraw_timeout = 100000; /* 100ms */ + + /* Using few variables to trigger a redraw_screen() if too many tries */ + bool redrawn = false; + struct timeval start; + if (gettimeofday(&start, NULL) == -1) { + err(EXIT_FAILURE, "gettimeofday"); + } while (tries-- > 0) { pcookie = xcb_grab_pointer( @@ -178,8 +204,7 @@ void grab_pointer_and_keyboard(xcb_connection_t *conn, xcb_screen_t *screen, xcb XCB_GRAB_MODE_ASYNC, /* keyboard mode */ XCB_NONE, /* confine_to = in which window should the cursor stay */ cursor, /* we change the cursor to whatever the user wanted */ - XCB_CURRENT_TIME - ); + XCB_CURRENT_TIME); if ((preply = xcb_grab_pointer_reply(conn, pcookie, NULL)) && preply->status == XCB_GRAB_STATUS_SUCCESS) { @@ -187,22 +212,36 @@ void grab_pointer_and_keyboard(xcb_connection_t *conn, xcb_screen_t *screen, xcb break; } + /* In case the grab failed, we still need to free the reply */ + free(preply); + /* Make this quite a bit slower */ usleep(50); - } - if (cursor != XCB_NONE) - xcb_free_cursor(conn, cursor); + struct timeval now; + if (gettimeofday(&now, NULL) == -1) { + err(EXIT_FAILURE, "gettimeofday"); + } + + struct timeval elapsed; + timersub(&now, &start, &elapsed); + + if (!redrawn && + (tries % 100) == 0 && + elapsed.tv_usec >= screen_redraw_timeout) { + redraw_screen(); + redrawn = true; + } + } while (tries-- > 0) { kcookie = xcb_grab_keyboard( conn, - true, /* report events */ - screen->root, /* grab the root window */ + true, /* report events */ + screen->root, /* grab the root window */ XCB_CURRENT_TIME, XCB_GRAB_MODE_ASYNC, /* process events as normal, do not require sync */ - XCB_GRAB_MODE_ASYNC - ); + XCB_GRAB_MODE_ASYNC); if ((kreply = xcb_grab_keyboard_reply(conn, kcookie, NULL)) && kreply->status == XCB_GRAB_STATUS_SUCCESS) { @@ -210,12 +249,30 @@ void grab_pointer_and_keyboard(xcb_connection_t *conn, xcb_screen_t *screen, xcb break; } + /* In case the grab failed, we still need to free the reply */ + free(kreply); + /* Make this quite a bit slower */ usleep(50); + + struct timeval now; + if (gettimeofday(&now, NULL) == -1) { + err(EXIT_FAILURE, "gettimeofday"); + } + + struct timeval elapsed; + timersub(&now, &start, &elapsed); + + /* Trigger a screen redraw if 100ms elapsed */ + if (!redrawn && + (tries % 100) == 0 && + elapsed.tv_usec >= screen_redraw_timeout) { + redraw_screen(); + redrawn = true; + } } - if (tries <= 0) - errx(EXIT_FAILURE, "Cannot grab pointer/keyboard"); + return (tries > 0); } xcb_cursor_t create_cursor(xcb_connection_t *conn, xcb_screen_t *screen, xcb_window_t win, int choice) { @@ -223,8 +280,8 @@ xcb_cursor_t create_cursor(xcb_connection_t *conn, xcb_screen_t *screen, xcb_win xcb_pixmap_t mask; xcb_cursor_t cursor; - unsigned char* curs_bits; - unsigned char* mask_bits; + unsigned char *curs_bits; + unsigned char *mask_bits; int curs_w, curs_h; switch (choice) { @@ -271,12 +328,76 @@ xcb_cursor_t create_cursor(xcb_connection_t *conn, xcb_screen_t *screen, xcb_win cursor, bitmap, mask, - 65535,65535,65535, - 0,0,0, - 0,0); + 65535, 65535, 65535, + 0, 0, 0, + 0, 0); xcb_free_pixmap(conn, bitmap); xcb_free_pixmap(conn, mask); return cursor; } + +static xcb_atom_t _NET_ACTIVE_WINDOW = XCB_NONE; +void _init_net_active_window(xcb_connection_t *conn) { + if (_NET_ACTIVE_WINDOW != XCB_NONE) { + /* already initialized */ + return; + } + xcb_generic_error_t *err; + xcb_intern_atom_reply_t *atom_reply = xcb_intern_atom_reply( + conn, + xcb_intern_atom(conn, 0, strlen("_NET_ACTIVE_WINDOW"), "_NET_ACTIVE_WINDOW"), + &err); + if (atom_reply == NULL) { + fprintf(stderr, "X11 Error %d\n", err->error_code); + free(err); + return; + } + _NET_ACTIVE_WINDOW = atom_reply->atom; + free(atom_reply); +} + +xcb_window_t find_focused_window(xcb_connection_t *conn, const xcb_window_t root) { + xcb_window_t result = XCB_NONE; + + _init_net_active_window(conn); + + xcb_get_property_reply_t *prop_reply = xcb_get_property_reply( + conn, + xcb_get_property_unchecked( + conn, false, root, _NET_ACTIVE_WINDOW, XCB_GET_PROPERTY_TYPE_ANY, 0, 1 /* word */), + NULL); + if (prop_reply == NULL) { + goto out; + } + if (xcb_get_property_value_length(prop_reply) == 0) { + goto out_prop; + } + if (prop_reply->type != XCB_ATOM_WINDOW) { + goto out_prop; + } + + result = *((xcb_window_t *)xcb_get_property_value(prop_reply)); + +out_prop: + free(prop_reply); +out: + return result; +} + +void set_focused_window(xcb_connection_t *conn, const xcb_window_t root, const xcb_window_t window) { + xcb_client_message_event_t ev; + memset(&ev, '\0', sizeof(xcb_client_message_event_t)); + + _init_net_active_window(conn); + + ev.response_type = XCB_CLIENT_MESSAGE; + ev.window = window; + ev.type = _NET_ACTIVE_WINDOW; + ev.format = 32; + ev.data.data32[0] = 2; /* 2 = pager */ + + xcb_send_event(conn, false, root, XCB_EVENT_MASK_SUBSTRUCTURE_REDIRECT, (char *)&ev); + xcb_flush(conn); +}