* vim:ts=4:sw=4:expandtab
*
* i3 - an improved dynamic tiling window manager
- * © 2009-2011 Michael Stapelberg and contributors (see also: LICENSE)
+ * © 2009 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 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
*
*/
static uint8_t *concat_strings(char **glyphs, int max) {
- uint8_t *output = calloc(max+1, 4);
+ uint8_t *output = calloc(max + 1, 4);
uint8_t *walk = output;
for (int c = 0; c < max; c++) {
printf("at %c\n", glyphs[c][0]);
memcpy(walk, glyphs[c], 2);
walk += 2;
} else {
- strcpy((char*)walk, glyphs[c]);
+ strcpy((char *)walk, glyphs[c]);
walk += strlen(glyphs[c]);
}
}
printf("expose!\n");
/* re-draw the background */
- xcb_rectangle_t border = {0, 0, 500, font.height + 8}, inner = {2, 2, 496, font.height + 8 - 4};
- xcb_change_gc(conn, pixmap_gc, XCB_GC_FOREGROUND, (uint32_t[]){ get_colorpixel("#FF0000") });
+ xcb_rectangle_t border = {0, 0, logical_px(500), font.height + logical_px(8)},
+ inner = {logical_px(2), logical_px(2), logical_px(496), font.height + logical_px(8) - logical_px(4)};
+ xcb_change_gc(conn, pixmap_gc, XCB_GC_FOREGROUND, (uint32_t[]){get_colorpixel("#FF0000")});
xcb_poly_fill_rectangle(conn, pixmap, pixmap_gc, 1, &border);
- xcb_change_gc(conn, pixmap_gc, XCB_GC_FOREGROUND, (uint32_t[]){ get_colorpixel("#000000") });
+ xcb_change_gc(conn, pixmap_gc, XCB_GC_FOREGROUND, (uint32_t[]){get_colorpixel("#000000")});
xcb_poly_fill_rectangle(conn, pixmap, pixmap_gc, 1, &inner);
/* restore font color */
/* draw the prompt … */
if (prompt != NULL) {
- draw_text((char *)i3string_as_ucs2(prompt), i3string_get_num_glyphs(prompt), true, pixmap, pixmap_gc, 4, 4, 492);
+ draw_text(prompt, pixmap, pixmap_gc, logical_px(4), logical_px(4), logical_px(492));
}
/* … and the text */
- if (input_position > 0)
- draw_text((char *)glyphs_ucs, input_position, true, pixmap, pixmap_gc, 4, 4 + prompt_offset, 492 - prompt_offset);
+ if (input_position > 0) {
+ i3String *input = i3string_from_ucs2(glyphs_ucs, input_position);
+ draw_text(input, pixmap, pixmap_gc, prompt_offset + logical_px(4), logical_px(4), logical_px(492));
+ i3string_free(input);
+ }
/* 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_copy_area(conn, pixmap, win, pixmap_gc, 0, 0, 0, 0, logical_px(500), font.height + logical_px(8));
xcb_flush(conn);
return 1;
}
static void finish_input() {
- char *command = (char*)concat_strings(glyphs_utf8, input_position);
+ char *command = (char *)concat_strings(glyphs_utf8, input_position);
/* count the occurences of %s in the string */
int c;
int len = strlen(format);
int cnt = 0;
- for (c = 0; c < (len-1); c++)
- if (format[c] == '%' && format[c+1] == 's')
+ for (c = 0; c < (len - 1); c++)
+ if (format[c] == '%' && format[c + 1] == 's')
cnt++;
printf("occurences = %d\n", cnt);
int inputlen = strlen(command);
char *full = calloc(1,
strlen(format) - (2 * cnt) /* format without all %s */
- + (inputlen * cnt) /* replaced %s */
- + 1); /* trailing NUL */
+ + (inputlen * cnt) /* replaced %s */
+ + 1); /* trailing NUL */
char *dest = full;
for (c = 0; c < len; c++) {
/* if this is not % or it is % but without a following 's',
* just copy the character */
- if (format[c] != '%' || (c == (len-1)) || format[c+1] != 's')
+ if (format[c] != '%' || (c == (len - 1)) || format[c + 1] != 's')
*(dest++) = format[c];
else {
strncat(dest, command, inputlen);
/* prefix the command if a prefix was specified on commandline */
printf("command = %s\n", full);
- ipc_send_message(sockfd, strlen(full), 0, (uint8_t*)full);
+ restore_input_focus();
+
+ xcb_aux_sync(conn);
+
+ ipc_send_message(sockfd, strlen(full), 0, (uint8_t *)full);
+
+ free(full);
#if 0
free(command);
static int handle_key_press(void *ignored, xcb_connection_t *conn, xcb_key_press_event_t *event) {
printf("Keypress %d, state raw = %d\n", event->detail, event->state);
+ // TODO: port the input handling code from i3lock once libxkbcommon ≥ 0.5.0
+ // is available in distros.
+
/* 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. */
return 1;
}
if (sym == XK_Escape) {
+ restore_input_focus();
exit(0);
}
}
xcb_char2b_t inp;
- inp.byte1 = ( ucs & 0xff00 ) >> 2;
- inp.byte2 = ( ucs & 0x00ff ) >> 0;
+ inp.byte1 = (ucs & 0xff00) >> 2;
+ inp.byte2 = (ucs & 0x00ff) >> 0;
printf("inp.byte1 = %02x, inp.byte2 = %02x\n", inp.byte1, inp.byte2);
/* convert it to UTF-8 */
return 1;
}
+static xcb_rectangle_t get_window_position(void) {
+ xcb_rectangle_t result = (xcb_rectangle_t){logical_px(50), logical_px(50), logical_px(500), font.height + logical_px(8)};
+
+ xcb_get_input_focus_reply_t *input_focus = NULL;
+ xcb_get_geometry_reply_t *geometry = NULL;
+ xcb_translate_coordinates_reply_t *coordinates = NULL;
+
+ /* In rare cases, the window holding the input focus might disappear while we are figuring out its
+ * position. To avoid this, we grab the server in the meantime. */
+ xcb_grab_server(conn);
+
+ input_focus = xcb_get_input_focus_reply(conn, xcb_get_input_focus(conn), NULL);
+ if (input_focus == NULL || input_focus->focus == XCB_NONE) {
+ DLOG("Failed to receive the current input focus or no window has the input focus right now.\n");
+ goto free_resources;
+ }
+
+ geometry = xcb_get_geometry_reply(conn, xcb_get_geometry(conn, input_focus->focus), NULL);
+ if (geometry == NULL) {
+ DLOG("Failed to received window geometry.\n");
+ goto free_resources;
+ }
+
+ coordinates = xcb_translate_coordinates_reply(
+ conn, xcb_translate_coordinates(conn, input_focus->focus, root, geometry->x, geometry->y), NULL);
+ if (coordinates == NULL) {
+ DLOG("Failed to translate coordinates.\n");
+ goto free_resources;
+ }
+
+ DLOG("Determined coordinates of window with input focus at x = %i / y = %i", coordinates->dst_x, coordinates->dst_y);
+ result.x += coordinates->dst_x;
+ result.y += coordinates->dst_y;
+
+free_resources:
+ xcb_ungrab_server(conn);
+ xcb_flush(conn);
+
+ FREE(input_focus);
+ FREE(geometry);
+ FREE(coordinates);
+ return result;
+}
+
int main(int argc, char *argv[]) {
format = strdup("%s");
socket_path = getenv("I3SOCK");
- char *pattern = sstrdup("-misc-fixed-medium-r-normal--13-120-75-75-C-70-iso10646-1");
+ char *pattern = sstrdup("pango:monospace 8");
int o, option_index = 0;
static struct option long_options[] = {
{"format", required_argument, 0, 'F'},
{"font", required_argument, 0, 'f'},
{"help", no_argument, 0, 'h'},
- {0, 0, 0, 0}
- };
+ {0, 0, 0, 0}};
char *options_string = "s:p:P:f:l:F:vh";
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 = root_atom_contents("I3_SOCKET_PATH");
+ 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_offset = predict_text_width((char *)i3string_as_ucs2(prompt), i3string_get_num_glyphs(prompt), true);
+ /* Request the current InputFocus to restore when i3-input exits. */
+ focus_cookie = xcb_get_input_focus(conn);
- int screens;
- conn = xcb_connect(NULL, &screens);
- if (!conn || xcb_connection_has_error(conn))
- die("Cannot open display\n");
-
- 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);
+
+ const xcb_rectangle_t win_pos = get_window_position();
+
/* Open an input window */
win = xcb_generate_id(conn);
xcb_create_window(
conn,
XCB_COPY_FROM_PARENT,
- win, /* the window id */
- root, /* parent == root */
- 50, 50, 500, font.height + 8, /* dimensions */
- 0, /* X11 border = 0, we draw our own */
+ win, /* the window id */
+ root, /* parent == root */
+ win_pos.x, win_pos.y, win_pos.width, win_pos.height, /* dimensions */
+ 0, /* X11 border = 0, we draw our own */
XCB_WINDOW_CLASS_INPUT_OUTPUT,
XCB_WINDOW_CLASS_COPY_FROM_PARENT, /* copy visual from parent */
XCB_CW_BACK_PIXEL | XCB_CW_OVERRIDE_REDIRECT | XCB_CW_EVENT_MASK,
(uint32_t[]){
0, /* back pixel: black */
1, /* override redirect: don’t manage this window */
- XCB_EVENT_MASK_EXPOSURE
- });
+ XCB_EVENT_MASK_EXPOSURE});
/* Map the window (make it visible) */
xcb_map_window(conn, win);
/* Create pixmap */
pixmap = xcb_generate_id(conn);
pixmap_gc = xcb_generate_id(conn);
- xcb_create_pixmap(conn, root_screen->root_depth, pixmap, win, 500, font.height + 8);
+ xcb_create_pixmap(conn, root_screen->root_depth, pixmap, win, logical_px(500), font.height + logical_px(8));
xcb_create_gc(conn, pixmap_gc, pixmap, 0, 0);
/* Set input focus (we have override_redirect=1, so the wm will not do
if (reply->status != XCB_GRAB_STATUS_SUCCESS) {
fprintf(stderr, "Could not grab keyboard, status = %d\n", reply->status);
+ restore_input_focus();
exit(-1);
}
switch (type) {
case XCB_KEY_PRESS:
- handle_key_press(NULL, conn, (xcb_key_press_event_t*)event);
+ handle_key_press(NULL, conn, (xcb_key_press_event_t *)event);
break;
case XCB_KEY_RELEASE:
- handle_key_release(NULL, conn, (xcb_key_release_event_t*)event);
+ handle_key_release(NULL, conn, (xcb_key_release_event_t *)event);
break;
case XCB_EXPOSE:
- handle_expose(NULL, conn, (xcb_expose_event_t*)event);
+ handle_expose(NULL, conn, (xcb_expose_event_t *)event);
break;
}