* vim:ts=4:sw=4:expandtab
*
* i3 - an improved dynamic tiling window manager
- * © 2009-2011 Michael Stapelberg and contributors (see also: LICENSE)
+ * © 2009-2013 Michael Stapelberg and contributors (see also: LICENSE)
*
* i3-input/main.c: Utility which lets the user input commands and sends them
* to i3.
*
*/
-#include <ev.h>
#include <stdio.h>
#include <sys/types.h>
#include <stdlib.h>
static xcb_window_t win;
static xcb_pixmap_t pixmap;
static xcb_gcontext_t pixmap_gc;
-static char *glyphs_ucs[512];
+static xcb_char2b_t glyphs_ucs[512];
static char *glyphs_utf8[512];
static int input_position;
static i3Font font;
-static char *prompt;
-static size_t prompt_len;
+static i3String *prompt;
+static int prompt_offset = 0;
static int limit;
xcb_window_t root;
xcb_connection_t *conn;
+xcb_screen_t *root_screen;
+static xcb_get_input_focus_cookie_t focus_cookie;
+
+/*
+ * Having verboselog(), errorlog() and debuglog() is necessary when using libi3.
+ *
+ */
+void verboselog(char *fmt, ...) {
+ va_list args;
+
+ va_start(args, fmt);
+ vfprintf(stdout, fmt, args);
+ va_end(args);
+}
+
+void errorlog(char *fmt, ...) {
+ va_list args;
+
+ va_start(args, fmt);
+ vfprintf(stderr, fmt, args);
+ va_end(args);
+}
+
+void debuglog(char *fmt, ...) {
+}
+
+/*
+ * Restores the X11 input focus to whereever it was before.
+ * This is necessary because i3-input’s window has override_redirect=1
+ * (→ unmanaged by the window manager) and thus i3-input changes focus itself.
+ * This function is called on exit().
+ *
+ */
+static void restore_input_focus(void) {
+ xcb_generic_error_t *error;
+ xcb_get_input_focus_reply_t *reply = xcb_get_input_focus_reply(conn, focus_cookie, &error);
+ if (error != NULL) {
+ fprintf(stderr, "[i3-input] ERROR: Could not restore input focus (X error %d)\n", error->error_code);
+ return;
+ }
+ xcb_set_input_focus(conn, XCB_INPUT_FOCUS_POINTER_ROOT, reply->focus, XCB_CURRENT_TIME);
+ xcb_flush(conn);
+}
/*
* Concats the glyphs (either UCS-2 or UTF-8) to a single string, suitable for
/* restore font color */
set_font_colors(pixmap_gc, get_colorpixel("#FFFFFF"), get_colorpixel("#000000"));
- /* draw the text */
- uint8_t *con = concat_strings(glyphs_ucs, input_position);
- char *full_text = (char*)con;
+ /* draw the prompt … */
if (prompt != NULL) {
- full_text = malloc((prompt_len + input_position) * 2 + 1);
- if (full_text == NULL)
- err(EXIT_FAILURE, "malloc() failed\n");
- memcpy(full_text, prompt, prompt_len * 2);
- memcpy(full_text + (prompt_len * 2), con, input_position * 2);
+ draw_text(prompt, pixmap, pixmap_gc, 4, 4, 492);
+ }
+ /* … and the text */
+ if (input_position > 0)
+ {
+ i3String *input = i3string_from_ucs2(glyphs_ucs, input_position);
+ draw_text(input, pixmap, pixmap_gc, prompt_offset + 4, 4, 492);
+ i3string_free(input);
}
- if (input_position + prompt_len != 0)
- draw_text(full_text, input_position + prompt_len, true, pixmap, pixmap_gc, 4, 4, 492);
/* Copy the contents of the pixmap to the real window */
xcb_copy_area(conn, pixmap, win, pixmap_gc, 0, 0, 0, 0, /* */ 500, font.height + 8);
xcb_flush(conn);
- free(con);
- if (prompt != NULL)
- free(full_text);
return 1;
}
static int handle_key_release(void *ignored, xcb_connection_t *conn, xcb_key_release_event_t *event) {
printf("releasing %d, state raw = %d\n", event->detail, event->state);
- /* See the documentation of xcb_key_symbols_get_keysym for this one.
- * Basically: We get either col 0 or col 1, depending on whether shift is
- * pressed. */
- int col = (event->state & XCB_MOD_MASK_SHIFT);
-
- /* If modeswitch is currently active, we need to look in group 2 or 3,
- * respectively. */
- if (modeswitch_active)
- col += 2;
-
xcb_keysym_t sym = xcb_key_press_lookup_keysym(symbols, event, event->state);
if (sym == XK_Mode_switch) {
printf("Mode switch disabled\n");
/* prefix the command if a prefix was specified on commandline */
printf("command = %s\n", full);
+ restore_input_focus();
+
+ xcb_aux_sync(conn);
+
ipc_send_message(sockfd, strlen(full), 0, (uint8_t*)full);
#if 0
return 1;
input_position--;
- free(glyphs_ucs[input_position]);
free(glyphs_utf8[input_position]);
handle_expose(NULL, conn, NULL);
return 1;
}
if (sym == XK_Escape) {
+ restore_input_focus();
exit(0);
}
return 1;
}
- /* store the UCS into a string */
- uint8_t inp[3] = {(ucs & 0xFF00) >> 8, (ucs & 0xFF), 0};
+ xcb_char2b_t inp;
+ inp.byte1 = ( ucs & 0xff00 ) >> 2;
+ inp.byte2 = ( ucs & 0x00ff ) >> 0;
- printf("inp[0] = %02x, inp[1] = %02x, inp[2] = %02x\n", inp[0], inp[1], inp[2]);
+ printf("inp.byte1 = %02x, inp.byte2 = %02x\n", inp.byte1, inp.byte2);
/* convert it to UTF-8 */
- char *out = convert_ucs2_to_utf8((xcb_char2b_t*)inp, 1);
+ char *out = convert_ucs2_to_utf8(&inp, 1);
printf("converted to %s\n", out);
- glyphs_ucs[input_position] = malloc(3 * sizeof(uint8_t));
- if (glyphs_ucs[input_position] == NULL)
- err(EXIT_FAILURE, "malloc() failed\n");
- memcpy(glyphs_ucs[input_position], inp, 3);
+ glyphs_ucs[input_position] = inp;
glyphs_utf8[input_position] = out;
input_position++;
limit = atoi(optarg);
break;
case 'P':
- FREE(prompt);
- prompt = strdup(optarg);
+ i3string_free(prompt);
+ prompt = i3string_from_utf8(optarg);
break;
case 'f':
FREE(pattern);
printf("using format \"%s\"\n", format);
+ int screen;
+ conn = xcb_connect(NULL, &screen);
+ if (!conn || xcb_connection_has_error(conn))
+ die("Cannot open display\n");
+
if (socket_path == NULL)
- socket_path = socket_path_from_x11();
+ socket_path = root_atom_contents("I3_SOCKET_PATH", conn, screen);
if (socket_path == NULL)
socket_path = "/tmp/i3-ipc.sock";
sockfd = ipc_connect(socket_path);
- if (prompt != NULL)
- prompt = (char*)convert_utf8_to_ucs2(prompt, &prompt_len);
-
- int screens;
- conn = xcb_connect(NULL, &screens);
- if (!conn || xcb_connection_has_error(conn))
- die("Cannot open display\n");
+ /* Request the current InputFocus to restore when i3-input exits. */
+ focus_cookie = xcb_get_input_focus(conn);
- xcb_screen_t *root_screen = xcb_aux_get_screen(conn, screens);
+ root_screen = xcb_aux_get_screen(conn, screen);
root = root_screen->root;
symbols = xcb_key_symbols_alloc(conn);
font = load_font(pattern, true);
set_font(&font);
+ if (prompt != NULL)
+ prompt_offset = predict_text_width(prompt);
+
/* Open an input window */
win = xcb_generate_id(conn);
xcb_create_window(
if (reply->status != XCB_GRAB_STATUS_SUCCESS) {
fprintf(stderr, "Could not grab keyboard, status = %d\n", reply->status);
+ restore_input_focus();
exit(-1);
}