X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;f=src%2Fxcb.c;h=ee3148ed3b90437fa70a40254b05212f077ec0cd;hb=6e5e2fe5ee7ea92c93207b8f5ff5f8b674d7a72e;hp=802acc81cef7c6d69f48749bcac6525afadc750a;hpb=14834c35309a73a080261967410cc280c3ee5496;p=i3%2Fi3 diff --git a/src/xcb.c b/src/xcb.c index 802acc81..ee3148ed 100644 --- a/src/xcb.c +++ b/src/xcb.c @@ -3,7 +3,7 @@ * * i3 - an improved dynamic tiling window manager * - * © 2009 Michael Stapelberg and contributors + * © 2009-2010 Michael Stapelberg and contributors * * See file LICENSE for license information. * @@ -16,12 +16,15 @@ #include #include +#include +#include "i3.h" #include "util.h" #include "xcb.h" +#include "log.h" TAILQ_HEAD(cached_fonts_head, Font) cached_fonts = TAILQ_HEAD_INITIALIZER(cached_fonts); -SLIST_HEAD(colorpixel_head, Colorpixel) colorpixels; +unsigned int xcb_numlock_mask; /* * Loads a font for usage, getting its height. This function is used very often, so it @@ -72,42 +75,14 @@ i3Font *load_font(xcb_connection_t *conn, const char *pattern) { * */ uint32_t get_colorpixel(xcb_connection_t *conn, char *hex) { - /* Lookup this colorpixel in the cache */ - struct Colorpixel *colorpixel; - SLIST_FOREACH(colorpixel, &(colorpixels), colorpixels) - if (strcmp(colorpixel->hex, hex) == 0) - return colorpixel->pixel; - - #define RGB_8_TO_16(i) (65535 * ((i) & 0xFF) / 255) char strgroups[3][3] = {{hex[1], hex[2], '\0'}, {hex[3], hex[4], '\0'}, {hex[5], hex[6], '\0'}}; - int rgb16[3] = {RGB_8_TO_16(strtol(strgroups[0], NULL, 16)), - RGB_8_TO_16(strtol(strgroups[1], NULL, 16)), - RGB_8_TO_16(strtol(strgroups[2], NULL, 16))}; - - xcb_screen_t *root_screen = xcb_setup_roots_iterator(xcb_get_setup(conn)).data; - xcb_alloc_color_reply_t *reply; - - reply = xcb_alloc_color_reply(conn, xcb_alloc_color(conn, root_screen->default_colormap, - rgb16[0], rgb16[1], rgb16[2]), NULL); - - if (!reply) { - printf("Could not allocate color\n"); - exit(1); - } - - uint32_t pixel = reply->pixel; - free(reply); + uint32_t rgb16[3] = {(strtol(strgroups[0], NULL, 16)), + (strtol(strgroups[1], NULL, 16)), + (strtol(strgroups[2], NULL, 16))}; - /* Store the result in the cache */ - struct Colorpixel *cache_pixel = scalloc(sizeof(struct Colorpixel)); - cache_pixel->hex = sstrdup(hex); - cache_pixel->pixel = pixel; - - SLIST_INSERT_HEAD(&(colorpixels), cache_pixel, colorpixels); - - return pixel; + return (rgb16[0] << 16) + (rgb16[1] << 8) + rgb16[2]; } /* @@ -116,7 +91,7 @@ uint32_t get_colorpixel(xcb_connection_t *conn, char *hex) { * */ xcb_window_t create_window(xcb_connection_t *conn, Rect dims, uint16_t window_class, int cursor, - uint32_t mask, uint32_t *values) { + bool map, uint32_t mask, uint32_t *values) { xcb_window_t root = xcb_setup_roots_iterator(xcb_get_setup(conn)).data->root; xcb_window_t result = xcb_generate_id(conn); xcb_cursor_t cursor_id = xcb_generate_id(conn); @@ -124,14 +99,6 @@ xcb_window_t create_window(xcb_connection_t *conn, Rect dims, uint16_t window_cl /* 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); - /* Use the default cursor (left pointer) */ - if (cursor > -1) { - i3Font *cursor_font = load_font(conn, "cursor"); - xcb_create_glyph_cursor(conn, cursor_id, cursor_font->id, cursor_font->id, - XCB_CURSOR_LEFT_PTR, XCB_CURSOR_LEFT_PTR + 1, - 0, 0, 0, 65535, 65535, 65535); - } - xcb_create_window(conn, depth, result, /* the window id */ @@ -143,11 +110,18 @@ xcb_window_t create_window(xcb_connection_t *conn, Rect dims, uint16_t window_cl mask, values); - if (cursor > -1) - xcb_change_window_attributes(conn, result, XCB_CW_CURSOR, &cursor_id); + /* Set the cursor */ + i3Font *cursor_font = load_font(conn, "cursor"); + xcb_create_glyph_cursor(conn, cursor_id, cursor_font->id, cursor_font->id, + (cursor == -1 ? XCB_CURSOR_LEFT_PTR : cursor), + (cursor == -1 ? XCB_CURSOR_LEFT_PTR : 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); /* Map the window (= make it visible) */ - xcb_map_window(conn, result); + if (map) + xcb_map_window(conn, result); return result; } @@ -207,3 +181,155 @@ void fake_configure_notify(xcb_connection_t *conn, Rect r, xcb_window_t window) xcb_send_event(conn, false, window, XCB_EVENT_MASK_STRUCTURE_NOTIFY, (char*)&generated_event); xcb_flush(conn); } + +/* + * Generates a configure_notify_event with absolute coordinates (relative to the X root + * window, not to the client’s frame) for the given client. + * + */ +void fake_absolute_configure_notify(xcb_connection_t *conn, Client *client) { + Rect absolute; + + absolute.x = client->rect.x + client->child_rect.x; + absolute.y = client->rect.y + client->child_rect.y; + absolute.width = client->child_rect.width; + absolute.height = client->child_rect.height; + + fake_configure_notify(conn, absolute, client->child); +} + +/* + * Finds out which modifier mask is the one for numlock, as the user may change this. + * + */ +void xcb_get_numlock_mask(xcb_connection_t *conn) { + xcb_key_symbols_t *keysyms; + xcb_get_modifier_mapping_cookie_t cookie; + xcb_get_modifier_mapping_reply_t *reply; + xcb_keycode_t *modmap; + int mask, i; + const int masks[8] = { XCB_MOD_MASK_SHIFT, + XCB_MOD_MASK_LOCK, + XCB_MOD_MASK_CONTROL, + XCB_MOD_MASK_1, + XCB_MOD_MASK_2, + XCB_MOD_MASK_3, + XCB_MOD_MASK_4, + XCB_MOD_MASK_5 }; + + /* Request the modifier map */ + cookie = xcb_get_modifier_mapping_unchecked(conn); + + /* Get the keysymbols */ + keysyms = xcb_key_symbols_alloc(conn); + + if ((reply = xcb_get_modifier_mapping_reply(conn, cookie, NULL)) == NULL) { + xcb_key_symbols_free(keysyms); + return; + } + + modmap = xcb_get_modifier_mapping_keycodes(reply); + + /* Get the keycode for numlock */ +#ifdef OLD_XCB_KEYSYMS_API + xcb_keycode_t numlock = xcb_key_symbols_get_keycode(keysyms, XCB_NUM_LOCK); +#else + /* For now, we only use the first keysymbol. */ + xcb_keycode_t *numlock_syms = xcb_key_symbols_get_keycode(keysyms, XCB_NUM_LOCK); + if (numlock_syms == NULL) + return; + xcb_keycode_t numlock = *numlock_syms; + free(numlock_syms); +#endif + + /* Check all modifiers (Mod1-Mod5, Shift, Control, Lock) */ + for (mask = 0; mask < 8; mask++) + for (i = 0; i < reply->keycodes_per_modifier; i++) + if (modmap[(mask * reply->keycodes_per_modifier) + i] == numlock) + xcb_numlock_mask = masks[mask]; + + xcb_key_symbols_free(keysyms); + free(reply); +} + +/* + * 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); +} + +/* + * + * Prepares the given Cached_Pixmap for usage (checks whether the size of the + * object this pixmap is related to (e.g. a window) has changed and re-creates + * the pixmap if so). + * + */ +void cached_pixmap_prepare(xcb_connection_t *conn, struct Cached_Pixmap *pixmap) { + DLOG("preparing pixmap\n"); + + /* If the Rect did not change, the pixmap does not need to be recreated */ + if (memcmp(&(pixmap->rect), pixmap->referred_rect, sizeof(Rect)) == 0) + return; + + memcpy(&(pixmap->rect), pixmap->referred_rect, sizeof(Rect)); + + if (pixmap->id == 0 || pixmap->gc == 0) { + DLOG("Creating new pixmap...\n"); + pixmap->id = xcb_generate_id(conn); + pixmap->gc = xcb_generate_id(conn); + } else { + DLOG("Re-creating this pixmap...\n"); + xcb_free_gc(conn, pixmap->gc); + xcb_free_pixmap(conn, pixmap->id); + } + + xcb_create_pixmap(conn, root_depth, pixmap->id, + pixmap->referred_drawable, pixmap->rect.width, pixmap->rect.height); + + xcb_create_gc(conn, pixmap->gc, pixmap->id, 0, 0); +} + +/* + * 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(xcb_connection_t *conn, const char *font_pattern, char *text, int length) { + i3Font *font = load_font(conn, font_pattern); + + 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, 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_configure_window(conn, window, + XCB_CONFIG_WINDOW_X | + XCB_CONFIG_WINDOW_Y | + XCB_CONFIG_WINDOW_WIDTH | + XCB_CONFIG_WINDOW_HEIGHT, + &(r.x)); +}