#include <string.h>
#include <xcb/xcb.h>
+#include <xcb/xcb_keysyms.h>
#include "util.h"
+#include "xcb.h"
+
+TAILQ_HEAD(cached_fonts_head, Font) cached_fonts = TAILQ_HEAD_INITIALIZER(cached_fonts);
+unsigned int xcb_numlock_mask;
+
+/*
+ * Loads a font for usage, getting its height. This function is used very often, so it
+ * maintains a cache.
+ *
+ */
+i3Font *load_font(xcb_connection_t *conn, const char *pattern) {
+ /* Check if we got the font cached */
+ i3Font *font;
+ TAILQ_FOREACH(font, &cached_fonts, fonts)
+ if (strcmp(font->pattern, pattern) == 0)
+ return font;
+
+ i3Font *new = smalloc(sizeof(i3Font));
+ xcb_void_cookie_t font_cookie;
+ xcb_list_fonts_with_info_cookie_t info_cookie;
+
+ /* Send all our requests first */
+ new->id = xcb_generate_id(conn);
+ font_cookie = xcb_open_font_checked(conn, new->id, strlen(pattern), pattern);
+ info_cookie = xcb_list_fonts_with_info(conn, 1, strlen(pattern), pattern);
+
+ check_error(conn, font_cookie, "Could not open font");
+
+ /* Get information (height/name) for this font */
+ xcb_list_fonts_with_info_reply_t *reply = xcb_list_fonts_with_info_reply(conn, info_cookie, NULL);
+ exit_if_null(reply, "Could not load font \"%s\"\n", pattern);
+
+ if (asprintf(&(new->name), "%.*s", xcb_list_fonts_with_info_name_length(reply),
+ xcb_list_fonts_with_info_name(reply)) == -1)
+ die("asprintf() failed\n");
+ new->pattern = sstrdup(pattern);
+ new->height = reply->font_ascent + reply->font_descent;
+
+ /* Insert into cache */
+ TAILQ_INSERT_TAIL(&cached_fonts, new, fonts);
+
+ return new;
+}
/*
* Returns the colorpixel to use for the given hex color (think of HTML).
*
* The hex_color has to start with #, for example #FF00FF.
*
- * The client argument is optional. If it is given, the colorpixel will be cached.
- *
* NOTE that get_colorpixel() does _NOT_ check the given color code for validity.
* This has to be done by the caller.
*
*/
-uint32_t get_colorpixel(xcb_connection_t *conn, Client *client, xcb_window_t window, char *hex) {
- /* Lookup this colorpixel in the cache if a client was specified */
- if (client != NULL) {
- struct Colorpixel *pixel;
- SLIST_FOREACH(pixel, &(client->colorpixels), colorpixels)
- if (strcmp(pixel->hex, hex) == 0)
- return pixel->pixel;
- }
- #define RGB_8_TO_16(i) (65535 * ((i) & 0xFF) / 255)
+uint32_t get_colorpixel(xcb_connection_t *conn, char *hex) {
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_colormap_t colormap_id = xcb_generate_id(conn);
- xcb_void_cookie_t cookie = xcb_create_colormap_checked(conn, XCB_COLORMAP_ALLOC_NONE,
- colormap_id, window, root_screen->root_visual);
- check_error(conn, cookie, "Could not create colormap");
- xcb_alloc_color_reply_t *reply = xcb_alloc_color_reply(conn,
- xcb_alloc_color(conn, colormap_id, rgb16[0], rgb16[1], rgb16[2]), NULL);
-
- if (!reply) {
- printf("Could not allocate color\n");
- exit(1);
- }
+ uint32_t rgb16[3] = {(strtol(strgroups[0], NULL, 16)),
+ (strtol(strgroups[1], NULL, 16)),
+ (strtol(strgroups[2], NULL, 16))};
- uint32_t pixel = reply->pixel;
- free(reply);
- xcb_free_colormap(conn, colormap_id);
-
- /* Store the result in the cache if a client was specified */
- if (client != NULL) {
- struct Colorpixel *cache_pixel = scalloc(sizeof(struct Colorpixel));
- cache_pixel->hex = sstrdup(hex);
- cache_pixel->pixel = pixel;
-
- SLIST_INSERT_HEAD(&(client->colorpixels), cache_pixel, colorpixels);
- }
-
- return pixel;
+ return (rgb16[0] << 16) + (rgb16[1] << 8) + rgb16[2];
}
/*
* for errors.
*
*/
-xcb_window_t create_window(xcb_connection_t *conn, Rect dims, uint16_t window_class, uint32_t mask, uint32_t *values) {
+xcb_window_t create_window(xcb_connection_t *conn, Rect dims, uint16_t window_class, int cursor,
+ 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_void_cookie_t cookie;
+ xcb_cursor_t cursor_id = 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);
- cookie = xcb_create_window_checked(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);
- check_error(conn, cookie, "Could not create window");
+ /* 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 */
+ 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);
+
+ if (cursor > -1)
+ xcb_change_window_attributes(conn, result, XCB_CW_CURSOR, &cursor_id);
/* Map the window (= make it visible) */
xcb_map_window(conn, result);
* Draws a rectangle from x,y with width,height using the given color
*
*/
-void xcb_draw_rect(xcb_connection_t *connection, xcb_drawable_t drawable, xcb_gcontext_t gc,
+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_single(connection, gc, XCB_GC_FOREGROUND, colorpixel);
+ xcb_change_gc_single(conn, gc, XCB_GC_FOREGROUND, colorpixel);
xcb_rectangle_t rect = {x, y, width, height};
- xcb_poly_fill_rectangle(connection, drawable, gc, 1, &rect);
+ xcb_poly_fill_rectangle(conn, drawable, gc, 1, &rect);
+}
+
+/*
+ * Generates a configure_notify event and sends it to the given window
+ * Applications need this to think they’ve configured themselves correctly.
+ * The truth is, however, that we will manage them.
+ *
+ */
+void fake_configure_notify(xcb_connection_t *conn, Rect r, xcb_window_t window) {
+ xcb_configure_notify_event_t generated_event;
+
+ generated_event.event = window;
+ generated_event.window = window;
+ generated_event.response_type = XCB_CONFIGURE_NOTIFY;
+
+ generated_event.x = r.x;
+ generated_event.y = r.y;
+ generated_event.width = r.width;
+ generated_event.height = r.height;
+
+ generated_event.border_width = 0;
+ generated_event.above_sibling = XCB_NONE;
+ generated_event.override_redirect = false;
+
+ xcb_send_event(conn, false, window, XCB_EVENT_MASK_STRUCTURE_NOTIFY, (char*)&generated_event);
+ xcb_flush(conn);
+
+ LOG("Told the client it is at %dx%d with %dx%d\n", r.x, r.y, r.width, r.height);
+}
+
+/*
+ * 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->rect.width - (2 * client->child_rect.x);
+ absolute.height = client->rect.height - client->child_rect.y - 1;
+
+ 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);
+ 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);
}
projects / i3 / i3 / blobdiff