#include <string.h>
#include <xcb/xcb.h>
+#include <xcb/xcb_keysyms.h>
+#include "i3.h"
#include "util.h"
#include "xcb.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
*
*/
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);
-
- /* 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);
+ uint32_t rgb16[3] = {(strtol(strgroups[0], NULL, 16)),
+ (strtol(strgroups[1], NULL, 16)),
+ (strtol(strgroups[2], NULL, 16))};
- return pixel;
+ return (rgb16[0] << 16) + (rgb16[1] << 8) + rgb16[2];
}
/*
*
*/
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);
xcb_change_window_attributes(conn, result, XCB_CW_CURSOR, &cursor_id);
/* Map the window (= make it visible) */
- xcb_map_window(conn, result);
+ if (map)
+ xcb_map_window(conn, result);
return result;
}
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) {
+ LOG("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) {
+ LOG("Creating new pixmap...\n");
+ pixmap->id = xcb_generate_id(conn);
+ pixmap->gc = xcb_generate_id(conn);
+ } else {
+ LOG("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);
+}
+
+/*
+ * Returns the xcb_charinfo_t for the given character (specified by row and
+ * column in the lookup table) if existing, otherwise the minimum bounds.
+ *
+ */
+static xcb_charinfo_t *get_charinfo(int col, int row, xcb_query_font_reply_t *font_info,
+ xcb_charinfo_t *table, bool dont_fallback) {
+ xcb_charinfo_t *result;
+
+ /* Bounds checking */
+ if (row < font_info->min_byte1 || row > font_info->max_byte1 ||
+ col < font_info->min_char_or_byte2 || col > font_info->max_char_or_byte2)
+ return NULL;
+
+ /* If we don’t have a table to lookup the infos per character, return the
+ * minimum bounds */
+ if (table == NULL)
+ return &font_info->min_bounds;
+
+ result = &table[((row - font_info->min_byte1) *
+ (font_info->max_char_or_byte2 - font_info->min_char_or_byte2 + 1)) +
+ (col - font_info->min_char_or_byte2)];
+
+ /* If the character has an entry in the table, return it */
+ if (result->character_width != 0 ||
+ (result->right_side_bearing |
+ result->left_side_bearing |
+ result->ascent |
+ result->descent) != 0)
+ return result;
+
+ /* Otherwise, get the default character and return its charinfo */
+ if (dont_fallback)
+ return NULL;
+
+ return get_charinfo((font_info->default_char >> 8),
+ (font_info->default_char & 0xFF),
+ font_info,
+ table,
+ true);
+}
+
+/*
+ * Calculate 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) {
+ xcb_query_font_reply_t *font_info;
+ xcb_charinfo_t *table;
+ int i, width = 0;
+ i3Font *font = load_font(conn, font_pattern);
+
+ font_info = xcb_query_font_reply(conn, xcb_query_font_unchecked(conn, font->id), NULL);
+ table = xcb_query_font_char_infos(font_info);
+
+ for (i = 0; i < 2 * length; i += 2) {
+ xcb_charinfo_t *info = get_charinfo(text[i+1], text[i], font_info, table, false);
+ if (info == NULL)
+ continue;
+ width += info->character_width;
+ }
+
+ free(font_info);
- LOG("Told the client it is at %dx%d with %dx%d\n", r.x, r.y, r.width, r.height);
+ return width;
}