X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;f=xcb.c;h=e3a33b87600e444c27892d63e9a51b5f84f82e99;hb=a0ac8cd87d1167ae48b6875e8385d03d8b0a73b8;hp=2fdb841f13c7747aca274ea066fbff9983d6a69e;hpb=1dc3fd7bf000b57f8462416ae3e17f2f580d2020;p=i3%2Fi3lock diff --git a/xcb.c b/xcb.c index 2fdb841..e3a33b8 100644 --- a/xcb.c +++ b/xcb.c @@ -8,14 +8,46 @@ * */ #include -#include +#include +#include #include #include #include #include +#include +#include #include #include +#include "cursors.h" + +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}; + +#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}; + +#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}; + static uint32_t get_colorpixel(char *hex) { char strgroups[3][3] = {{hex[0], hex[1], '\0'}, {hex[2], hex[3], '\0'}, @@ -25,23 +57,6 @@ static uint32_t get_colorpixel(char *hex) { (strtol(strgroups[2], NULL, 16))}; return (rgb16[0] << 16) + (rgb16[1] << 8) + rgb16[2]; -} - -int x_event_type(xcb_generic_event_t *event) { - /* TODO: comment */ - assert(event->response_type != 1); - - if (event->response_type == 0) { - fprintf(stderr, "error\n"); - exit(1); - } - int type = event->response_type; - assert(type < 256); - /* strip the highest bit (TODO: why?) */ - type &= 0x7F; - assert(type >= 2); - - return type; } xcb_visualtype_t *get_root_visual_type(xcb_screen_t *screen) { @@ -52,7 +67,6 @@ 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)) { @@ -67,33 +81,69 @@ 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; mask |= XCB_CW_EVENT_MASK; - values[2] = XCB_EVENT_MASK_EXPOSURE | XCB_EVENT_MASK_KEY_PRESS | XCB_EVENT_MASK_KEY_RELEASE; + values[2] = XCB_EVENT_MASK_EXPOSURE | + XCB_EVENT_MASK_KEY_PRESS | + XCB_EVENT_MASK_KEY_RELEASE | + 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); + /* Map the window (= make it visible) */ xcb_map_window(conn, win); @@ -105,39 +155,12 @@ xcb_window_t open_fullscreen_window(xcb_connection_t *conn, xcb_screen_t *scr, c } /* - * Returns the mask for Mode_switch (to be used for looking up keysymbols by - * keycode). + * Set the dpms level to 'mode'. * */ -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) { +void dpms_set_mode(xcb_connection_t *conn, xcb_dpms_dpms_mode_t mode) { xcb_dpms_enable(conn); - xcb_dpms_force_level(conn, XCB_DPMS_DPMS_MODE_OFF); + xcb_dpms_force_level(conn, mode); xcb_flush(conn); } @@ -145,14 +168,14 @@ void dpms_turn_off_screen(xcb_connection_t *conn) { * Repeatedly tries to grab pointer and keyboard (up to 1000 times). * */ -void grab_pointer_and_keyboard(xcb_connection_t *conn, xcb_screen_t *screen) { +void grab_pointer_and_keyboard(xcb_connection_t *conn, xcb_screen_t *screen, xcb_cursor_t cursor) { 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 = 1000; + int tries = 10000; while (tries-- > 0) { pcookie = xcb_grab_pointer( @@ -163,34 +186,101 @@ void grab_pointer_and_keyboard(xcb_connection_t *conn, xcb_screen_t *screen) { XCB_GRAB_MODE_ASYNC, /* pointer events should continue as normal */ XCB_GRAB_MODE_ASYNC, /* keyboard mode */ XCB_NONE, /* confine_to = in which window should the cursor stay */ - XCB_NONE, /* don’t display a special cursor */ - XCB_CURRENT_TIME - ); + cursor, /* we change the cursor to whatever the user wanted */ + XCB_CURRENT_TIME); if ((preply = xcb_grab_pointer_reply(conn, pcookie, NULL)) && preply->status == XCB_GRAB_STATUS_SUCCESS) { free(preply); break; } + + /* Make this quite a bit slower */ + usleep(50); } 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) { free(kreply); break; } + + /* Make this quite a bit slower */ + usleep(50); } - if (tries == 0) + if (tries <= 0) errx(EXIT_FAILURE, "Cannot grab pointer/keyboard"); } + +xcb_cursor_t create_cursor(xcb_connection_t *conn, xcb_screen_t *screen, xcb_window_t win, int choice) { + xcb_pixmap_t bitmap; + xcb_pixmap_t mask; + xcb_cursor_t cursor; + + unsigned char *curs_bits; + unsigned char *mask_bits; + int curs_w, curs_h; + + switch (choice) { + case CURS_NONE: + curs_bits = curs_invisible_bits; + mask_bits = curs_invisible_bits; + curs_w = curs_invisible_width; + curs_h = curs_invisible_height; + break; + case CURS_WIN: + curs_bits = curs_windows_bits; + mask_bits = mask_windows_bits; + curs_w = curs_windows_width; + curs_h = curs_windows_height; + break; + case CURS_DEFAULT: + default: + return XCB_NONE; /* XCB_NONE is xcb's way of saying "don't change the cursor" */ + } + + bitmap = xcb_create_pixmap_from_bitmap_data(conn, + win, + curs_bits, + curs_w, + curs_h, + 1, + screen->white_pixel, + screen->black_pixel, + NULL); + + mask = xcb_create_pixmap_from_bitmap_data(conn, + win, + mask_bits, + curs_w, + curs_h, + 1, + screen->white_pixel, + screen->black_pixel, + NULL); + + cursor = xcb_generate_id(conn); + + xcb_create_cursor(conn, + cursor, + bitmap, + mask, + 65535, 65535, 65535, + 0, 0, 0, + 0, 0); + + xcb_free_pixmap(conn, bitmap); + xcb_free_pixmap(conn, mask); + + return cursor; +}