* vim:ts=4:sw=4:expandtab
*
* i3 - an improved dynamic tiling window manager
- * © 2009-2013 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 "libi3.h"
+
#include <stdio.h>
#include <sys/types.h>
#include <stdlib.h>
#include "i3-input.h"
-#include "libi3.h"
+#define MAX_WIDTH logical_px(500)
+#define BORDER logical_px(2)
+#define PADDING logical_px(2)
/* IPC format string. %s will be replaced with what the user entered, then
* the command will be sent to i3 */
static char *format;
-static char *socket_path;
static int sockfd;
static xcb_key_symbols_t *symbols;
static bool modeswitch_active = false;
static xcb_window_t win;
-static xcb_pixmap_t pixmap;
-static xcb_gcontext_t pixmap_gc;
+static surface_t surface;
static xcb_char2b_t glyphs_ucs[512];
static char *glyphs_utf8[512];
static int input_position;
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 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
* rendering it (UCS-2) or sending it to i3 (UTF-8).
*
*/
static uint8_t *concat_strings(char **glyphs, int max) {
- uint8_t *output = calloc(max + 1, 4);
+ uint8_t *output = scalloc(max + 1, 4);
uint8_t *walk = output;
for (int c = 0; c < max; c++) {
printf("at %c\n", glyphs[c][0]);
static int handle_expose(void *data, xcb_connection_t *conn, xcb_expose_event_t *event) {
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_poly_fill_rectangle(conn, pixmap, pixmap_gc, 1, &border);
- xcb_change_gc(conn, pixmap_gc, XCB_GC_FOREGROUND, (uint32_t[]){get_colorpixel("#000000")});
- xcb_poly_fill_rectangle(conn, pixmap, pixmap_gc, 1, &inner);
+ color_t border_color = draw_util_hex_to_color("#FF0000");
+ color_t fg_color = draw_util_hex_to_color("#FFFFFF");
+ color_t bg_color = draw_util_hex_to_color("#000000");
+
+ int text_offset = BORDER + PADDING;
+
+ /* draw border */
+ draw_util_rectangle(&surface, border_color, 0, 0, surface.width, surface.height);
- /* restore font color */
- set_font_colors(pixmap_gc, get_colorpixel("#FFFFFF"), get_colorpixel("#000000"));
+ /* draw background */
+ draw_util_rectangle(&surface, bg_color, BORDER, BORDER, surface.width - 2 * BORDER, surface.height - 2 * BORDER);
/* draw the prompt … */
if (prompt != NULL) {
- draw_text(prompt, pixmap, pixmap_gc, 4, 4, 492);
+ draw_util_text(prompt, &surface, fg_color, bg_color, text_offset, text_offset, MAX_WIDTH - text_offset);
}
+
/* … 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);
+ draw_util_text(input, &surface, fg_color, bg_color, text_offset + prompt_offset, text_offset, MAX_WIDTH - text_offset);
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_flush(conn);
return 1;
return 1;
}
-static void finish_input() {
+static void finish_input(void) {
char *command = (char *)concat_strings(glyphs_utf8, input_position);
- /* count the occurences of %s in the string */
+ /* count the occurrences 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')
cnt++;
- printf("occurences = %d\n", cnt);
+ printf("occurrences = %d\n", cnt);
/* allocate space for the output */
int inputlen = strlen(command);
- char *full = calloc(1,
- strlen(format) - (2 * cnt) /* format without all %s */
- + (inputlen * cnt) /* replaced %s */
- + 1); /* trailing NUL */
+ char *full = scalloc(strlen(format) - (2 * cnt) /* format without all %s */
+ + (inputlen * cnt) /* replaced %s */
+ + 1, /* trailing NUL */
+ 1);
char *dest = full;
for (c = 0; c < len; c++) {
/* if this is not % or it is % but without a following 's',
/* 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);
free(full);
-#if 0
- free(command);
- return 1;
-#endif
exit(0);
}
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);
}
return 1;
}
+static xcb_rectangle_t get_window_position(void) {
+ xcb_rectangle_t result = (xcb_rectangle_t){logical_px(50), logical_px(50), MAX_WIDTH, font.height + 2 * BORDER + 2 * PADDING};
+
+ xcb_get_property_reply_t *supporting_wm_reply = NULL;
+ xcb_get_input_focus_reply_t *input_focus = NULL;
+ xcb_get_geometry_reply_t *geometry = NULL;
+ xcb_get_property_reply_t *wm_class = NULL;
+ xcb_translate_coordinates_reply_t *coordinates = NULL;
+
+ xcb_atom_t A__NET_SUPPORTING_WM_CHECK;
+ xcb_intern_atom_cookie_t nswc_cookie = xcb_intern_atom(conn, 0, strlen("_NET_SUPPORTING_WM_CHECK"), "_NET_SUPPORTING_WM_CHECK");
+ xcb_intern_atom_reply_t *nswc_reply = xcb_intern_atom_reply(conn, nswc_cookie, NULL);
+ if (nswc_reply == NULL) {
+ ELOG("Could not intern atom _NET_SUPPORTING_WM_CHECK\n");
+ exit(-1);
+ }
+ A__NET_SUPPORTING_WM_CHECK = nswc_reply->atom;
+ free(nswc_reply);
+
+ supporting_wm_reply = xcb_get_property_reply(
+ conn, xcb_get_property(conn, false, root, A__NET_SUPPORTING_WM_CHECK, XCB_ATOM_WINDOW, 0, 32), NULL);
+ xcb_window_t *supporting_wm_win = NULL;
+ if (supporting_wm_reply == NULL || xcb_get_property_value_length(supporting_wm_reply) == 0) {
+ DLOG("Could not determine EWMH support window.\n");
+ } else {
+ supporting_wm_win = xcb_get_property_value(supporting_wm_reply);
+ }
+
+ /* 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;
+ }
+
+ /* We need to ignore the EWMH support window to which the focus can be set if there's no suitable window to focus. */
+ if (supporting_wm_win != NULL && input_focus->focus == *supporting_wm_win) {
+ DLOG("Input focus is on the EWMH support window, ignoring.\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;
+ }
+
+ wm_class = xcb_get_property_reply(
+ conn, xcb_get_property(conn, false, input_focus->focus, XCB_ATOM_WM_CLASS, XCB_GET_PROPERTY_TYPE_ANY, 0, 32), NULL);
+
+ /* We need to find out whether the input focus is on an i3 frame window. If it is, we must not translate the coordinates. */
+ if (wm_class == NULL || xcb_get_property_value_length(wm_class) == 0 || strcmp(xcb_get_property_value(wm_class), "i3-frame") != 0) {
+ 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.\n", coordinates->dst_x, coordinates->dst_y);
+ result.x += coordinates->dst_x;
+ result.y += coordinates->dst_y;
+ } else {
+ DLOG("Determined coordinates of window with input focus at x = %i / y = %i.\n", geometry->x, geometry->y);
+ result.x += geometry->x;
+ result.y += geometry->y;
+ }
+
+free_resources:
+ xcb_ungrab_server(conn);
+ xcb_flush(conn);
+
+ FREE(supporting_wm_reply);
+ FREE(input_focus);
+ FREE(geometry);
+ FREE(wm_class);
+ 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");
+ format = sstrdup("%s");
+ char *socket_path = NULL;
+ char *pattern = sstrdup("pango:monospace 8");
int o, option_index = 0;
static struct option long_options[] = {
switch (o) {
case 's':
FREE(socket_path);
- socket_path = strdup(optarg);
+ socket_path = sstrdup(optarg);
break;
case 'v':
printf("i3-input " I3_VERSION);
break;
case 'f':
FREE(pattern);
- pattern = strdup(optarg);
+ pattern = sstrdup(optarg);
break;
case 'F':
FREE(format);
- format = strdup(optarg);
+ format = sstrdup(optarg);
break;
case 'h':
printf("i3-input " I3_VERSION "\n");
if (!conn || xcb_connection_has_error(conn))
die("Cannot open display\n");
- if (socket_path == NULL)
- 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);
- /* Request the current InputFocus to restore when i3-input exits. */
- focus_cookie = xcb_get_input_focus(conn);
-
root_screen = xcb_aux_get_screen(conn, screen);
root = root_screen->root;
symbols = xcb_key_symbols_alloc(conn);
+ init_dpi();
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,
/* 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_gc(conn, pixmap_gc, pixmap, 0, 0);
-
- /* Set input focus (we have override_redirect=1, so the wm will not do
- * this for us) */
- xcb_set_input_focus(conn, XCB_INPUT_FOCUS_POINTER_ROOT, win, XCB_CURRENT_TIME);
+ /* Initialize the drawable surface */
+ draw_util_surface_init(conn, &surface, win, get_visualtype(root_screen), win_pos.width, win_pos.height);
/* Grab the keyboard to get all input */
xcb_flush(conn);
if (reply->status != XCB_GRAB_STATUS_SUCCESS) {
fprintf(stderr, "Could not grab keyboard, status = %d\n", reply->status);
- restore_input_focus();
exit(-1);
}
break;
case XCB_EXPOSE:
- handle_expose(NULL, conn, (xcb_expose_event_t *)event);
+ if (((xcb_expose_event_t *)event)->count == 0) {
+ handle_expose(NULL, conn, (xcb_expose_event_t *)event);
+ }
+
break;
}
free(event);
}
+ draw_util_surface_free(conn, &surface);
return 0;
}
projects / i3 / i3 / blobdiff