mirror of https://github.com/i3/i3lock.git
Implement a visual unlock indicator
parent
09e74c4fd1
commit
f216517bb0
1
Makefile
1
Makefile
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@ -20,6 +20,7 @@ CFLAGS += $(shell pkg-config --cflags xcb-keysyms xcb-dpms)
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LIBS += $(shell pkg-config --libs xcb-keysyms xcb-dpms xcb-image)
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endif
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LIBS += -lpam
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LIBS += -lev
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FILES:=$(wildcard *.c)
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FILES:=$(FILES:.c=.o)
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@ -3,7 +3,7 @@ Section: utils
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Priority: optional
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Maintainer: Michael Stapelberg <michael@stapelberg.de>
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DM-Upload-Allowed: yes
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Build-Depends: debhelper (>= 7.0.50~), libx11-dev, libpam0g-dev, libcairo2-dev, libxcb1-dev, libxcb-dpms0-dev, libxcb-keysyms1-dev, libxcb-image0-dev, pkg-config
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Build-Depends: debhelper (>= 7.0.50~), libx11-dev, libpam0g-dev, libcairo2-dev, libxcb1-dev, libxcb-dpms0-dev, libxcb-keysyms1-dev, libxcb-image0-dev, pkg-config, libev-dev
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Standards-Version: 3.9.2
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Homepage: http://i3wm.org/i3lock/
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7
i3lock.1
7
i3lock.1
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@ -69,6 +69,13 @@ Enable turning off your screen using DPMS. Note that, when you do not specify th
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option, DPMS will turn off your screen after 15 minutes of inactivity anyways (if
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you did not disable this in your X server).
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.TP
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.B \-u, \-\-no-unlock-indicator
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Disables the unlock indicator. i3lock will by default show an unlock indicator
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after pressing keys. This will give feedback for every keypress and it will
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show you the current PAM state (whether your password is currently being
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verified or whether it is wrong).
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.TP
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.BI \-i\ path \fR,\ \fB\-\-image= path
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Display the given PNG image instead of a blank screen.
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662
i3lock.c
662
i3lock.c
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@ -22,6 +22,9 @@
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#include <X11/keysym.h>
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#include <getopt.h>
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#include <string.h>
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#include <math.h>
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#include <ev.h>
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#ifndef NOLIBCAIRO
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#include <cairo.h>
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@ -33,7 +36,16 @@
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#include "xcb.h"
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#include "cursors.h"
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#define BUTTON_RADIUS 90
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#define BUTTON_SPACE (BUTTON_RADIUS + 5)
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#define BUTTON_CENTER (BUTTON_RADIUS + 5)
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#define BUTTON_DIAMETER (5 * BUTTON_SPACE)
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static char color[7] = "ffffff";
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static uint32_t last_resolution[2];
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static xcb_connection_t *conn;
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static xcb_window_t win;
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static xcb_visualtype_t *vistype;
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static xcb_cursor_t cursor;
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static xcb_key_symbols_t *symbols;
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static xcb_screen_t *scr;
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@ -47,6 +59,26 @@ static int modeswitchmask;
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static int numlockmask;
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static bool beep = false;
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static bool debug_mode = false;
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static bool dpms = false;
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static bool unlock_indicator = true;
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static struct ev_loop *main_loop;
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static struct ev_timer *clear_pam_wrong_timeout;
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static struct ev_timer *clear_indicator_timeout;
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static enum {
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STATE_STARTED = 0, /* default state */
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STATE_KEY_PRESSED = 1, /* key was pressed, show unlock indicator */
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STATE_KEY_ACTIVE = 2, /* a key was pressed recently, highlight part
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of the unlock indicator. */
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STATE_BACKSPACE_ACTIVE = 3 /* backspace was pressed recently, highlight
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part of the unlock indicator in red. */
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} unlock_state;
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static enum {
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STATE_PAM_IDLE = 0, /* no PAM interaction at the moment */
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STATE_PAM_VERIFY = 1, /* currently verifying the password via PAM */
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STATE_PAM_WRONG = 2 /* the password was wrong */
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} pam_state;
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#define DEBUG(fmt, ...) do { \
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if (debug_mode) \
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@ -63,43 +95,234 @@ static bool tile = false;
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* resolution and returns it.
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*
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*/
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xcb_pixmap_t draw_image(xcb_visualtype_t *vistype, u_int32_t* resolution, char* color) {
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static xcb_pixmap_t draw_image(xcb_visualtype_t *vistype, u_int32_t* resolution) {
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xcb_pixmap_t bg_pixmap = XCB_NONE;
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#ifndef NOLIBCAIRO
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if (!img)
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return bg_pixmap;
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bg_pixmap = create_bg_pixmap(conn, scr, resolution, color);
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/* Initialize cairo */
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cairo_surface_t *output;
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output = cairo_xcb_surface_create(conn, bg_pixmap, vistype,
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resolution[0], resolution[1]);
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cairo_t *ctx = cairo_create(output);
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if (!tile) {
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cairo_set_source_surface(ctx, img, 0, 0);
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cairo_paint(ctx);
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} else {
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/* create a pattern and fill a rectangle as big as the screen */
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cairo_pattern_t *pattern;
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pattern = cairo_pattern_create_for_surface(img);
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cairo_set_source(ctx, pattern);
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cairo_pattern_set_extend(pattern, CAIRO_EXTEND_REPEAT);
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cairo_rectangle(ctx, 0, 0, resolution[0], resolution[1]);
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cairo_fill(ctx);
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cairo_pattern_destroy(pattern);
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if (img) {
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if (!tile) {
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cairo_set_source_surface(ctx, img, 0, 0);
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cairo_paint(ctx);
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} else {
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/* create a pattern and fill a rectangle as big as the screen */
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cairo_pattern_t *pattern;
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pattern = cairo_pattern_create_for_surface(img);
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cairo_set_source(ctx, pattern);
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cairo_pattern_set_extend(pattern, CAIRO_EXTEND_REPEAT);
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cairo_rectangle(ctx, 0, 0, resolution[0], resolution[1]);
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cairo_fill(ctx);
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cairo_pattern_destroy(pattern);
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}
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}
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if (unlock_state >= STATE_KEY_PRESSED && unlock_indicator) {
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cairo_pattern_t *outer_pat = NULL;
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outer_pat = cairo_pattern_create_linear(0, 0, 0, BUTTON_DIAMETER);
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switch (pam_state) {
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case STATE_PAM_VERIFY:
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cairo_pattern_add_color_stop_rgb(outer_pat, 0, 139.0/255, 0, 250.0/255);
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cairo_pattern_add_color_stop_rgb(outer_pat, 1, 51.0/255, 0, 250.0/255);
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break;
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case STATE_PAM_WRONG:
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cairo_pattern_add_color_stop_rgb(outer_pat, 0, 255.0/250, 139.0/255, 0);
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cairo_pattern_add_color_stop_rgb(outer_pat, 1, 125.0/255, 51.0/255, 0);
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break;
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case STATE_PAM_IDLE:
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cairo_pattern_add_color_stop_rgb(outer_pat, 0, 139.0/255, 125.0/255, 0);
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cairo_pattern_add_color_stop_rgb(outer_pat, 1, 51.0/255, 125.0/255, 0);
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break;
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}
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/* Draw a (centered) circle with transparent background. */
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cairo_set_line_width(ctx, 10.0);
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cairo_arc(ctx,
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(resolution[0] / 2) /* x */,
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(resolution[1] / 2) /* y */,
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BUTTON_RADIUS /* radius */,
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0 /* start */,
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2 * M_PI /* end */);
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/* Use the appropriate color for the different PAM states
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* (currently verifying, wrong password, or default) */
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switch (pam_state) {
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case STATE_PAM_VERIFY:
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cairo_set_source_rgba(ctx, 0, 114.0/255, 255.0/255, 0.75);
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break;
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case STATE_PAM_WRONG:
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cairo_set_source_rgba(ctx, 250.0/255, 0, 0, 0.75);
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break;
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default:
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cairo_set_source_rgba(ctx, 0, 0, 0, 0.75);
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break;
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}
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cairo_fill_preserve(ctx);
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cairo_set_source(ctx, outer_pat);
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cairo_stroke(ctx);
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/* Draw an inner seperator line. */
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cairo_set_source_rgb(ctx, 0, 0, 0);
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cairo_set_line_width(ctx, 2.0);
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cairo_arc(ctx,
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(resolution[0] / 2) /* x */,
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(resolution[1] / 2) /* y */,
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BUTTON_RADIUS - 5 /* radius */,
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0,
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2 * M_PI);
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cairo_stroke(ctx);
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cairo_set_line_width(ctx, 10.0);
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/* Display a (centered) text of the current PAM state. */
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char *text = NULL;
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switch (pam_state) {
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case STATE_PAM_VERIFY:
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text = "verifying…";
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break;
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case STATE_PAM_WRONG:
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text = "wrong!";
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break;
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default:
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break;
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}
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if (text) {
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cairo_text_extents_t extents;
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double x, y;
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cairo_set_source_rgb(ctx, 0, 0, 0);
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cairo_set_font_size(ctx, 28.0);
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cairo_text_extents(ctx, text, &extents);
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x = (resolution[0] / 2.0) - ((extents.width / 2) + extents.x_bearing);
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y = (resolution[1] / 2.0) - ((extents.height / 2) + extents.y_bearing);
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cairo_move_to(ctx, x, y);
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cairo_show_text(ctx, text);
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cairo_close_path(ctx);
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}
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/* After the user pressed any valid key or the backspace key, we
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* highlight a random part of the unlock indicator to confirm this
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* keypress. */
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if (unlock_state == STATE_KEY_ACTIVE ||
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unlock_state == STATE_BACKSPACE_ACTIVE) {
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cairo_new_sub_path(ctx);
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double highlight_start = (rand() % (int)(2 * M_PI * 100)) / 100.0;
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DEBUG("Highlighting part %.2f\n", highlight_start);
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cairo_arc(ctx, resolution[0] / 2 /* x */, resolution[1] / 2 /* y */,
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BUTTON_RADIUS /* radius */, highlight_start,
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highlight_start + (M_PI / 3.0));
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if (unlock_state == STATE_KEY_ACTIVE) {
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/* For normal keys, we use a lighter green. */
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outer_pat = cairo_pattern_create_linear(0, 0, 0, BUTTON_DIAMETER);
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cairo_pattern_add_color_stop_rgb(outer_pat, 0, 139.0/255, 219.0/255, 0);
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cairo_pattern_add_color_stop_rgb(outer_pat, 1, 51.0/255, 219.0/255, 0);
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} else {
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/* For backspace, we use red. */
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outer_pat = cairo_pattern_create_linear(0, 0, 0, BUTTON_DIAMETER);
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cairo_pattern_add_color_stop_rgb(outer_pat, 0, 219.0/255, 139.0/255, 0);
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cairo_pattern_add_color_stop_rgb(outer_pat, 1, 219.0/255, 51.0/255, 0);
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}
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cairo_set_source(ctx, outer_pat);
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cairo_stroke(ctx);
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/* Draw two little separators for the highlighted part of the
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* unlock indicator. */
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cairo_set_source_rgb(ctx, 0, 0, 0);
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cairo_arc(ctx,
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(resolution[0] / 2) /* x */,
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(resolution[1] / 2) /* y */,
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BUTTON_RADIUS /* radius */,
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highlight_start /* start */,
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highlight_start + (M_PI / 128.0) /* end */);
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cairo_stroke(ctx);
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cairo_arc(ctx,
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(resolution[0] / 2) /* x */,
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(resolution[1] / 2) /* y */,
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BUTTON_RADIUS /* radius */,
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highlight_start + (M_PI / 3.0) /* start */,
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(highlight_start + (M_PI / 3.0)) + (M_PI / 128.0) /* end */);
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cairo_stroke(ctx);
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}
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}
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cairo_surface_destroy(output);
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cairo_destroy(ctx);
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#endif
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return bg_pixmap;
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}
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/*
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* Calls draw_image on a new pixmap and swaps that with the current pixmap
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*
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*/
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static void redraw_screen() {
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xcb_pixmap_t bg_pixmap = draw_image(vistype, last_resolution);
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xcb_change_window_attributes(conn, win, XCB_CW_BACK_PIXMAP, (uint32_t[1]){ bg_pixmap });
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/* XXX: Possible optimization: Only update the area in the middle of the
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* screen instead of the whole screen. */
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xcb_clear_area(conn, 0, win, 0, 0, scr->width_in_pixels, scr->height_in_pixels);
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xcb_flush(conn);
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}
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/*
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* Resets pam_state to STATE_PAM_IDLE 2 seconds after an unsuccesful
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* authentication event.
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*
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*/
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static void clear_pam_wrong(EV_P_ ev_timer *w, int revents) {
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pam_state = STATE_PAM_IDLE;
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unlock_state = STATE_STARTED;
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redraw_screen();
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}
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/*
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* Hides the unlock indicator completely when there is no content in the
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* password buffer.
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*
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*/
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static void clear_indicator(EV_P_ ev_timer *w, int revents) {
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DEBUG("Clear indicator\n");
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unlock_state = STATE_STARTED;
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redraw_screen();
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}
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/*
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* (Re-)starts the clear_indicator timeout. Called after pressing backspace or
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* after an unsuccessful authentication attempt.
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*
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*/
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static void start_clear_indicator_timeout() {
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if (clear_indicator_timeout) {
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ev_timer_stop(main_loop, clear_indicator_timeout);
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ev_timer_set(clear_indicator_timeout, 1.0, 0.);
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ev_timer_start(main_loop, clear_indicator_timeout);
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} else {
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clear_indicator_timeout = calloc(sizeof(struct ev_timer), 1);
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ev_timer_init(clear_indicator_timeout, clear_indicator, 1.0, 0.);
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ev_timer_start(main_loop, clear_indicator_timeout);
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}
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}
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static void input_done() {
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if (input_position == 0)
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return;
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/* TODO: change cursor during authentication? */
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if (clear_pam_wrong_timeout) {
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ev_timer_stop(main_loop, clear_pam_wrong_timeout);
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clear_pam_wrong_timeout = NULL;
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}
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pam_state = STATE_PAM_VERIFY;
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redraw_screen();
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if (pam_authenticate(pam_handle, 0) == PAM_SUCCESS) {
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printf("successfully authenticated\n");
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exit(0);
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fprintf(stderr, "Authentication failure\n");
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pam_state = STATE_PAM_WRONG;
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redraw_screen();
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/* Clear this state after 2 seconds (unless the user enters another
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* password during that time). */
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ev_now_update(main_loop);
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clear_pam_wrong_timeout = calloc(sizeof(struct ev_timer), 1);
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ev_timer_init(clear_pam_wrong_timeout, clear_pam_wrong, 2.0, 0.);
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ev_timer_start(main_loop, clear_pam_wrong_timeout);
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/* beep on authentication failure, if enabled */
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if (beep) {
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xcb_bell(conn, 100);
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@ -138,6 +371,10 @@ static void handle_key_release(xcb_key_release_event_t *event) {
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modeswitch_active, iso_level3_shift_active);
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}
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static void redraw_timeout(EV_P_ ev_timer *w, int revents) {
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redraw_screen();
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}
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/*
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* Handle key presses. Fixes state, then looks up the key symbol for the
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* given keycode, then looks up the key symbol (as UCS-2), converts it to
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@ -211,6 +448,13 @@ static void handle_key_press(xcb_key_press_event_t *event) {
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/* decrement input_position to point to the previous glyph */
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u8_dec(password, &input_position);
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password[input_position] = '\0';
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/* Clear this state after 2 seconds (unless the user enters another
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* password during that time). */
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start_clear_indicator_timeout();
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unlock_state = STATE_BACKSPACE_ACTIVE;
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redraw_screen();
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unlock_state = STATE_KEY_PRESSED;
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//printf("new input position = %d, new password = %s\n", input_position, password);
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return;
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}
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@ -260,6 +504,19 @@ static void handle_key_press(xcb_key_press_event_t *event) {
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input_position += convert_ucs_to_utf8((char*)inp, password + input_position);
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password[input_position] = '\0';
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DEBUG("current password = %s\n", password);
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unlock_state = STATE_KEY_ACTIVE;
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redraw_screen();
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unlock_state = STATE_KEY_PRESSED;
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struct ev_timer *timeout = calloc(sizeof(struct ev_timer), 1);
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ev_timer_init(timeout, redraw_timeout, 0.25, 0.);
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ev_timer_start(main_loop, timeout);
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if (clear_indicator_timeout) {
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ev_timer_stop(main_loop, clear_indicator_timeout);
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clear_indicator_timeout = NULL;
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}
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}
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/*
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@ -296,7 +553,7 @@ static void handle_mapping_notify(xcb_mapping_notify_event_t *event) {
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* and also redraw the image, if any.
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*
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*/
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void handle_screen_resize(xcb_visualtype_t *vistype, xcb_window_t win, uint32_t* last_resolution, char* color) {
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void handle_screen_resize(xcb_visualtype_t *vistype, xcb_window_t win, uint32_t* last_resolution) {
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xcb_get_geometry_cookie_t geomc;
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xcb_get_geometry_reply_t *geom;
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geomc = xcb_get_geometry(conn, scr->root);
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@ -312,7 +569,7 @@ void handle_screen_resize(xcb_visualtype_t *vistype, xcb_window_t win, uint32_t*
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#ifndef NOLIBCAIRO
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if (img) {
|
||||
xcb_pixmap_t bg_pixmap = draw_image(vistype, last_resolution, color);
|
||||
xcb_pixmap_t bg_pixmap = draw_image(vistype, last_resolution);
|
||||
xcb_change_window_attributes(conn, win, XCB_CW_BACK_PIXMAP, (uint32_t[1]){ bg_pixmap });
|
||||
}
|
||||
#endif
|
||||
|
@ -354,163 +611,39 @@ static int conv_callback(int num_msg, const struct pam_message **msg,
|
|||
return 0;
|
||||
}
|
||||
|
||||
int main(int argc, char *argv[]) {
|
||||
bool dont_fork = false;
|
||||
bool dpms = false;
|
||||
char color[7] = "ffffff";
|
||||
char *username;
|
||||
#ifndef NOLIBCAIRO
|
||||
char *image_path = NULL;
|
||||
#endif
|
||||
int ret;
|
||||
struct pam_conv conv = {conv_callback, NULL};
|
||||
int screen;
|
||||
xcb_visualtype_t *vistype;
|
||||
/*
|
||||
* This callback is only a dummy, see xcb_prepare_cb and xcb_check_cb.
|
||||
* See also man libev(3): "ev_prepare" and "ev_check" - customise your event loop
|
||||
*
|
||||
*/
|
||||
static void xcb_got_event(EV_P_ struct ev_io *w, int revents) {
|
||||
/* empty, because xcb_prepare_cb and xcb_check_cb are used */
|
||||
}
|
||||
|
||||
/*
|
||||
* Flush before blocking (and waiting for new events)
|
||||
*
|
||||
*/
|
||||
static void xcb_prepare_cb(EV_P_ ev_prepare *w, int revents) {
|
||||
xcb_flush(conn);
|
||||
}
|
||||
|
||||
/*
|
||||
* Instead of polling the X connection socket we leave this to
|
||||
* xcb_poll_for_event() which knows better than we can ever know.
|
||||
*
|
||||
*/
|
||||
static void xcb_check_cb(EV_P_ ev_check *w, int revents) {
|
||||
xcb_generic_event_t *event;
|
||||
xcb_window_t win;
|
||||
int curs_choice = CURS_NONE;
|
||||
char o;
|
||||
int optind = 0;
|
||||
struct option longopts[] = {
|
||||
{"version", no_argument, NULL, 'v'},
|
||||
{"nofork", no_argument, NULL, 'n'},
|
||||
{"beep", no_argument, NULL, 'b'},
|
||||
{"dpms", no_argument, NULL, 'd'},
|
||||
{"color", required_argument, NULL, 'c'},
|
||||
{"pointer", required_argument, NULL , 'p'},
|
||||
{"debug", no_argument, NULL, 0},
|
||||
{"help", no_argument, NULL, 'h'},
|
||||
#ifndef NOLIBCAIRO
|
||||
{"image", required_argument, NULL, 'i'},
|
||||
{"tiling", no_argument, NULL, 't'},
|
||||
#endif
|
||||
{NULL, no_argument, NULL, 0}
|
||||
};
|
||||
|
||||
if ((username = getenv("USER")) == NULL)
|
||||
errx(1, "USER environment variable not set, please set it.\n");
|
||||
|
||||
while ((o = getopt_long(argc, argv, "hvnbdc:p:"
|
||||
#ifndef NOLIBCAIRO
|
||||
"i:t"
|
||||
#endif
|
||||
, longopts, &optind)) != -1) {
|
||||
switch (o) {
|
||||
case 'v':
|
||||
errx(EXIT_SUCCESS, "version " VERSION " © 2010-2011 Michael Stapelberg");
|
||||
case 'n':
|
||||
dont_fork = true;
|
||||
break;
|
||||
case 'b':
|
||||
beep = true;
|
||||
break;
|
||||
case 'd':
|
||||
dpms = true;
|
||||
break;
|
||||
case 'c': {
|
||||
char *arg = optarg;
|
||||
|
||||
/* Skip # if present */
|
||||
if (arg[0] == '#')
|
||||
arg++;
|
||||
|
||||
if (strlen(arg) != 6 || sscanf(arg, "%06[0-9a-fA-F]", color) != 1)
|
||||
errx(1, "color is invalid, color must be given in 6-byte format: rrggbb\n");
|
||||
|
||||
break;
|
||||
while ((event = xcb_poll_for_event(conn)) != NULL) {
|
||||
if (event->response_type == 0) {
|
||||
xcb_generic_error_t *error = (xcb_generic_error_t*)event;
|
||||
fprintf(stderr, "X11 Error received! sequence 0x%x, error_code = %d\n",
|
||||
error->sequence, error->error_code);
|
||||
free(event);
|
||||
continue;
|
||||
}
|
||||
#ifndef NOLIBCAIRO
|
||||
case 'i':
|
||||
image_path = strdup(optarg);
|
||||
break;
|
||||
case 't':
|
||||
tile = true;
|
||||
break;
|
||||
#endif
|
||||
case 'p':
|
||||
if (!strcmp(optarg, "win")) {
|
||||
curs_choice = CURS_WIN;
|
||||
} else if (!strcmp(optarg, "default")) {
|
||||
curs_choice = CURS_DEFAULT;
|
||||
} else {
|
||||
errx(1, "i3lock: Invalid pointer type given. Expected one of \"win\" or \"default\".\n");
|
||||
}
|
||||
break;
|
||||
case 0:
|
||||
if (strcmp(longopts[optind].name, "debug") == 0)
|
||||
debug_mode = true;
|
||||
break;
|
||||
default:
|
||||
errx(1, "Syntax: i3lock [-v] [-n] [-b] [-d] [-c color] [-p win|default]"
|
||||
#ifndef NOLIBCAIRO
|
||||
" [-i image.png] [-t]"
|
||||
#else
|
||||
" (compiled with NOLIBCAIRO)"
|
||||
#endif
|
||||
);
|
||||
}
|
||||
}
|
||||
|
||||
/* Initialize PAM */
|
||||
ret = pam_start("i3lock", username, &conv, &pam_handle);
|
||||
if (ret != PAM_SUCCESS)
|
||||
errx(EXIT_FAILURE, "PAM: %s\n", pam_strerror(pam_handle, ret));
|
||||
|
||||
/* Initialize connection to X11 */
|
||||
if ((conn = xcb_connect(NULL, &screen)) == NULL ||
|
||||
xcb_connection_has_error(conn))
|
||||
errx(EXIT_FAILURE, "Could not connect to X11, maybe you need to set DISPLAY?");
|
||||
|
||||
if (!dont_fork) {
|
||||
/* In the parent process, we exit */
|
||||
if (fork() != 0)
|
||||
return 0;
|
||||
}
|
||||
|
||||
/* if DPMS is enabled, check if the X server really supports it */
|
||||
if (dpms) {
|
||||
xcb_dpms_capable_cookie_t dpmsc = xcb_dpms_capable(conn);
|
||||
xcb_dpms_capable_reply_t *dpmsr;
|
||||
if ((dpmsr = xcb_dpms_capable_reply(conn, dpmsc, NULL)) && !dpmsr->capable) {
|
||||
fprintf(stderr, "Disabling DPMS, X server not DPMS capable\n");
|
||||
dpms = false;
|
||||
}
|
||||
}
|
||||
|
||||
scr = xcb_setup_roots_iterator(xcb_get_setup(conn)).data;
|
||||
vistype = get_root_visual_type(scr);
|
||||
|
||||
uint32_t last_resolution[2] = {scr->width_in_pixels, scr->height_in_pixels};
|
||||
|
||||
|
||||
|
||||
#ifndef NOLIBCAIRO
|
||||
if (image_path) {
|
||||
/* Create a pixmap to render on, fill it with the background color */
|
||||
img = cairo_image_surface_create_from_png(image_path);
|
||||
}
|
||||
#endif
|
||||
|
||||
/* Pixmap on which the image is rendered to (if any) */
|
||||
xcb_pixmap_t bg_pixmap = draw_image(vistype, last_resolution, color);
|
||||
|
||||
/* open the fullscreen window, already with the correct pixmap in place */
|
||||
win = open_fullscreen_window(conn, scr, color, bg_pixmap);
|
||||
|
||||
cursor = create_cursor(conn, scr, win, curs_choice);
|
||||
|
||||
grab_pointer_and_keyboard(conn, scr, cursor);
|
||||
|
||||
symbols = xcb_key_symbols_alloc(conn);
|
||||
modeswitchmask = get_mod_mask(conn, symbols, XK_Mode_switch);
|
||||
numlockmask = get_mod_mask(conn, symbols, XK_Num_Lock);
|
||||
|
||||
if (dpms)
|
||||
dpms_turn_off_screen(conn);
|
||||
|
||||
while ((event = xcb_wait_for_event(conn))) {
|
||||
if (event->response_type == 0)
|
||||
errx(1, "XCB: Invalid event received");
|
||||
|
||||
/* Strip off the highest bit (set if the event is generated) */
|
||||
int type = (event->response_type & 0x7F);
|
||||
|
@ -542,12 +675,191 @@ int main(int argc, char *argv[]) {
|
|||
}
|
||||
|
||||
if (type == XCB_CONFIGURE_NOTIFY) {
|
||||
handle_screen_resize(vistype, win, last_resolution, color);
|
||||
handle_screen_resize(vistype, win, last_resolution);
|
||||
continue;
|
||||
}
|
||||
|
||||
printf("WARNING: unhandled event of type %d\n", type);
|
||||
|
||||
free(event);
|
||||
}
|
||||
}
|
||||
|
||||
int main(int argc, char *argv[]) {
|
||||
bool dont_fork = false;
|
||||
char *username;
|
||||
#ifndef NOLIBCAIRO
|
||||
char *image_path = NULL;
|
||||
#endif
|
||||
int ret;
|
||||
struct pam_conv conv = {conv_callback, NULL};
|
||||
int screen;
|
||||
int curs_choice = CURS_NONE;
|
||||
char o;
|
||||
int optind = 0;
|
||||
struct option longopts[] = {
|
||||
{"version", no_argument, NULL, 'v'},
|
||||
{"nofork", no_argument, NULL, 'n'},
|
||||
{"beep", no_argument, NULL, 'b'},
|
||||
{"dpms", no_argument, NULL, 'd'},
|
||||
{"color", required_argument, NULL, 'c'},
|
||||
{"pointer", required_argument, NULL , 'p'},
|
||||
{"debug", no_argument, NULL, 0},
|
||||
{"help", no_argument, NULL, 'h'},
|
||||
{"no-unlock-indicator", no_argument, NULL, 'u'},
|
||||
#ifndef NOLIBCAIRO
|
||||
{"image", required_argument, NULL, 'i'},
|
||||
{"tiling", no_argument, NULL, 't'},
|
||||
#endif
|
||||
{NULL, no_argument, NULL, 0}
|
||||
};
|
||||
|
||||
if ((username = getenv("USER")) == NULL)
|
||||
errx(1, "USER environment variable not set, please set it.\n");
|
||||
|
||||
while ((o = getopt_long(argc, argv, "hvnbdc:p:u"
|
||||
#ifndef NOLIBCAIRO
|
||||
"i:t"
|
||||
#endif
|
||||
, longopts, &optind)) != -1) {
|
||||
switch (o) {
|
||||
case 'v':
|
||||
errx(EXIT_SUCCESS, "version " VERSION " © 2010-2011 Michael Stapelberg");
|
||||
case 'n':
|
||||
dont_fork = true;
|
||||
break;
|
||||
case 'b':
|
||||
beep = true;
|
||||
break;
|
||||
case 'd':
|
||||
dpms = true;
|
||||
break;
|
||||
case 'c': {
|
||||
char *arg = optarg;
|
||||
|
||||
/* Skip # if present */
|
||||
if (arg[0] == '#')
|
||||
arg++;
|
||||
|
||||
if (strlen(arg) != 6 || sscanf(arg, "%06[0-9a-fA-F]", color) != 1)
|
||||
errx(1, "color is invalid, color must be given in 6-byte format: rrggbb\n");
|
||||
|
||||
break;
|
||||
}
|
||||
case 'u':
|
||||
unlock_indicator = false;
|
||||
break;
|
||||
#ifndef NOLIBCAIRO
|
||||
case 'i':
|
||||
image_path = strdup(optarg);
|
||||
break;
|
||||
case 't':
|
||||
tile = true;
|
||||
break;
|
||||
#endif
|
||||
case 'p':
|
||||
if (!strcmp(optarg, "win")) {
|
||||
curs_choice = CURS_WIN;
|
||||
} else if (!strcmp(optarg, "default")) {
|
||||
curs_choice = CURS_DEFAULT;
|
||||
} else {
|
||||
errx(1, "i3lock: Invalid pointer type given. Expected one of \"win\" or \"default\".\n");
|
||||
}
|
||||
break;
|
||||
case 0:
|
||||
if (strcmp(longopts[optind].name, "debug") == 0)
|
||||
debug_mode = true;
|
||||
break;
|
||||
default:
|
||||
errx(1, "Syntax: i3lock [-v] [-n] [-b] [-d] [-c color] [-u] [-p win|default]"
|
||||
#ifndef NOLIBCAIRO
|
||||
" [-i image.png] [-t]"
|
||||
#else
|
||||
" (compiled with NOLIBCAIRO)"
|
||||
#endif
|
||||
);
|
||||
}
|
||||
}
|
||||
|
||||
return 0;
|
||||
/* We need (relatively) random numbers for highlighting a random part of
|
||||
* the unlock indicator upon keypresses. */
|
||||
srand(time(NULL));
|
||||
|
||||
/* Initialize PAM */
|
||||
ret = pam_start("i3lock", username, &conv, &pam_handle);
|
||||
if (ret != PAM_SUCCESS)
|
||||
errx(EXIT_FAILURE, "PAM: %s\n", pam_strerror(pam_handle, ret));
|
||||
|
||||
/* Initialize connection to X11 */
|
||||
if ((conn = xcb_connect(NULL, &screen)) == NULL ||
|
||||
xcb_connection_has_error(conn))
|
||||
errx(EXIT_FAILURE, "Could not connect to X11, maybe you need to set DISPLAY?");
|
||||
|
||||
if (!dont_fork) {
|
||||
/* In the parent process, we exit */
|
||||
if (fork() != 0)
|
||||
return 0;
|
||||
}
|
||||
|
||||
/* if DPMS is enabled, check if the X server really supports it */
|
||||
if (dpms) {
|
||||
xcb_dpms_capable_cookie_t dpmsc = xcb_dpms_capable(conn);
|
||||
xcb_dpms_capable_reply_t *dpmsr;
|
||||
if ((dpmsr = xcb_dpms_capable_reply(conn, dpmsc, NULL)) && !dpmsr->capable) {
|
||||
fprintf(stderr, "Disabling DPMS, X server not DPMS capable\n");
|
||||
dpms = false;
|
||||
}
|
||||
}
|
||||
|
||||
scr = xcb_setup_roots_iterator(xcb_get_setup(conn)).data;
|
||||
vistype = get_root_visual_type(scr);
|
||||
|
||||
last_resolution[0] = scr->width_in_pixels;
|
||||
last_resolution[1] = scr->height_in_pixels;
|
||||
|
||||
|
||||
#ifndef NOLIBCAIRO
|
||||
if (image_path) {
|
||||
/* Create a pixmap to render on, fill it with the background color */
|
||||
img = cairo_image_surface_create_from_png(image_path);
|
||||
}
|
||||
#endif
|
||||
|
||||
/* Pixmap on which the image is rendered to (if any) */
|
||||
xcb_pixmap_t bg_pixmap = draw_image(vistype, last_resolution);
|
||||
|
||||
/* open the fullscreen window, already with the correct pixmap in place */
|
||||
win = open_fullscreen_window(conn, scr, color, bg_pixmap);
|
||||
|
||||
cursor = create_cursor(conn, scr, win, curs_choice);
|
||||
|
||||
grab_pointer_and_keyboard(conn, scr, cursor);
|
||||
|
||||
symbols = xcb_key_symbols_alloc(conn);
|
||||
modeswitchmask = get_mod_mask(conn, symbols, XK_Mode_switch);
|
||||
numlockmask = get_mod_mask(conn, symbols, XK_Num_Lock);
|
||||
|
||||
if (dpms)
|
||||
dpms_turn_off_screen(conn);
|
||||
|
||||
/* Initialize the libev event loop. */
|
||||
main_loop = EV_DEFAULT;
|
||||
if (main_loop == NULL)
|
||||
errx(EXIT_FAILURE, "Could not initialize libev. Bad LIBEV_FLAGS?\n");
|
||||
|
||||
struct ev_io *xcb_watcher = calloc(sizeof(struct ev_io), 1);
|
||||
struct ev_check *xcb_check = calloc(sizeof(struct ev_check), 1);
|
||||
struct ev_prepare *xcb_prepare = calloc(sizeof(struct ev_prepare), 1);
|
||||
|
||||
ev_io_init(xcb_watcher, xcb_got_event, xcb_get_file_descriptor(conn), EV_READ);
|
||||
ev_io_start(main_loop, xcb_watcher);
|
||||
|
||||
ev_check_init(xcb_check, xcb_check_cb);
|
||||
ev_check_start(main_loop, xcb_check);
|
||||
|
||||
ev_prepare_init(xcb_prepare, xcb_prepare_cb);
|
||||
ev_prepare_start(main_loop, xcb_prepare);
|
||||
|
||||
xcb_flush(conn);
|
||||
ev_loop(main_loop, 0);
|
||||
}
|
||||
|
|
Loading…
Reference in New Issue