#include <X11/keysym.h>
#include <getopt.h>
#include <string.h>
-#include <math.h>
#include <ev.h>
#include <sys/mman.h>
#include "ucs2_to_utf8.h"
#include "xcb.h"
#include "cursors.h"
+#include "unlock_indicator.h"
-#define BUTTON_RADIUS 90
-#define BUTTON_SPACE (BUTTON_RADIUS + 5)
-#define BUTTON_CENTER (BUTTON_RADIUS + 5)
-#define BUTTON_DIAMETER (5 * BUTTON_SPACE)
-
-static char color[7] = "ffffff";
-static uint32_t last_resolution[2];
-static xcb_connection_t *conn;
-static xcb_window_t win;
-static xcb_visualtype_t *vistype;
+char color[7] = "ffffff";
+uint32_t last_resolution[2];
+xcb_window_t win;
static xcb_cursor_t cursor;
static xcb_key_symbols_t *symbols;
-static xcb_screen_t *scr;
static pam_handle_t *pam_handle;
static int input_position = 0;
/* Holds the password you enter (in UTF-8). */
static bool beep = false;
static bool debug_mode = false;
static bool dpms = false;
-static bool unlock_indicator = true;
+bool unlock_indicator = true;
static bool dont_fork = false;
static struct ev_loop *main_loop;
static struct ev_timer *clear_pam_wrong_timeout;
static struct ev_timer *clear_indicator_timeout;
-
-static enum {
- STATE_STARTED = 0, /* default state */
- STATE_KEY_PRESSED = 1, /* key was pressed, show unlock indicator */
- STATE_KEY_ACTIVE = 2, /* a key was pressed recently, highlight part
- of the unlock indicator. */
- STATE_BACKSPACE_ACTIVE = 3 /* backspace was pressed recently, highlight
- part of the unlock indicator in red. */
-} unlock_state;
-
-static enum {
- STATE_PAM_IDLE = 0, /* no PAM interaction at the moment */
- STATE_PAM_VERIFY = 1, /* currently verifying the password via PAM */
- STATE_PAM_WRONG = 2 /* the password was wrong */
-} pam_state;
+extern unlock_state_t unlock_state;
+extern pam_state_t pam_state;
#define DEBUG(fmt, ...) do { \
if (debug_mode) \
} while (0)
#ifndef NOLIBCAIRO
-static cairo_surface_t *img = NULL;
-static bool tile = false;
+cairo_surface_t *img = NULL;
+bool tile = false;
#endif
/*
vpassword[c] = c + (int)beep;
}
-/*
- * Draws global image with fill color onto a pixmap with the given
- * resolution and returns it.
- *
- */
-static xcb_pixmap_t draw_image(xcb_visualtype_t *vistype, u_int32_t* resolution) {
- xcb_pixmap_t bg_pixmap = XCB_NONE;
-
-#ifndef NOLIBCAIRO
- bg_pixmap = create_bg_pixmap(conn, scr, resolution, color);
- /* Initialize cairo */
- cairo_surface_t *output;
- output = cairo_xcb_surface_create(conn, bg_pixmap, vistype,
- resolution[0], resolution[1]);
- cairo_t *ctx = cairo_create(output);
- if (img) {
- if (!tile) {
- cairo_set_source_surface(ctx, img, 0, 0);
- cairo_paint(ctx);
- } else {
- /* create a pattern and fill a rectangle as big as the screen */
- cairo_pattern_t *pattern;
- pattern = cairo_pattern_create_for_surface(img);
- cairo_set_source(ctx, pattern);
- cairo_pattern_set_extend(pattern, CAIRO_EXTEND_REPEAT);
- cairo_rectangle(ctx, 0, 0, resolution[0], resolution[1]);
- cairo_fill(ctx);
- cairo_pattern_destroy(pattern);
- }
- }
-
- if (unlock_state >= STATE_KEY_PRESSED && unlock_indicator) {
- cairo_pattern_t *outer_pat = NULL;
-
- outer_pat = cairo_pattern_create_linear(0, 0, 0, BUTTON_DIAMETER);
- switch (pam_state) {
- case STATE_PAM_VERIFY:
- cairo_pattern_add_color_stop_rgb(outer_pat, 0, 139.0/255, 0, 250.0/255);
- cairo_pattern_add_color_stop_rgb(outer_pat, 1, 51.0/255, 0, 250.0/255);
- break;
- case STATE_PAM_WRONG:
- cairo_pattern_add_color_stop_rgb(outer_pat, 0, 255.0/250, 139.0/255, 0);
- cairo_pattern_add_color_stop_rgb(outer_pat, 1, 125.0/255, 51.0/255, 0);
- break;
- case STATE_PAM_IDLE:
- cairo_pattern_add_color_stop_rgb(outer_pat, 0, 139.0/255, 125.0/255, 0);
- cairo_pattern_add_color_stop_rgb(outer_pat, 1, 51.0/255, 125.0/255, 0);
- break;
- }
-
- /* Draw a (centered) circle with transparent background. */
- cairo_set_line_width(ctx, 10.0);
- cairo_arc(ctx,
- (resolution[0] / 2) /* x */,
- (resolution[1] / 2) /* y */,
- BUTTON_RADIUS /* radius */,
- 0 /* start */,
- 2 * M_PI /* end */);
-
- /* Use the appropriate color for the different PAM states
- * (currently verifying, wrong password, or default) */
- switch (pam_state) {
- case STATE_PAM_VERIFY:
- cairo_set_source_rgba(ctx, 0, 114.0/255, 255.0/255, 0.75);
- break;
- case STATE_PAM_WRONG:
- cairo_set_source_rgba(ctx, 250.0/255, 0, 0, 0.75);
- break;
- default:
- cairo_set_source_rgba(ctx, 0, 0, 0, 0.75);
- break;
- }
- cairo_fill_preserve(ctx);
- cairo_set_source(ctx, outer_pat);
- cairo_stroke(ctx);
-
- /* Draw an inner seperator line. */
- cairo_set_source_rgb(ctx, 0, 0, 0);
- cairo_set_line_width(ctx, 2.0);
- cairo_arc(ctx,
- (resolution[0] / 2) /* x */,
- (resolution[1] / 2) /* y */,
- BUTTON_RADIUS - 5 /* radius */,
- 0,
- 2 * M_PI);
- cairo_stroke(ctx);
-
- cairo_set_line_width(ctx, 10.0);
-
- /* Display a (centered) text of the current PAM state. */
- char *text = NULL;
- switch (pam_state) {
- case STATE_PAM_VERIFY:
- text = "verifying…";
- break;
- case STATE_PAM_WRONG:
- text = "wrong!";
- break;
- default:
- break;
- }
-
- if (text) {
- cairo_text_extents_t extents;
- double x, y;
-
- cairo_set_source_rgb(ctx, 0, 0, 0);
- cairo_set_font_size(ctx, 28.0);
-
- cairo_text_extents(ctx, text, &extents);
- x = (resolution[0] / 2.0) - ((extents.width / 2) + extents.x_bearing);
- y = (resolution[1] / 2.0) - ((extents.height / 2) + extents.y_bearing);
-
- cairo_move_to(ctx, x, y);
- cairo_show_text(ctx, text);
- cairo_close_path(ctx);
- }
-
- /* After the user pressed any valid key or the backspace key, we
- * highlight a random part of the unlock indicator to confirm this
- * keypress. */
- if (unlock_state == STATE_KEY_ACTIVE ||
- unlock_state == STATE_BACKSPACE_ACTIVE) {
- cairo_new_sub_path(ctx);
- double highlight_start = (rand() % (int)(2 * M_PI * 100)) / 100.0;
- DEBUG("Highlighting part %.2f\n", highlight_start);
- cairo_arc(ctx, resolution[0] / 2 /* x */, resolution[1] / 2 /* y */,
- BUTTON_RADIUS /* radius */, highlight_start,
- highlight_start + (M_PI / 3.0));
- if (unlock_state == STATE_KEY_ACTIVE) {
- /* For normal keys, we use a lighter green. */
- outer_pat = cairo_pattern_create_linear(0, 0, 0, BUTTON_DIAMETER);
- cairo_pattern_add_color_stop_rgb(outer_pat, 0, 139.0/255, 219.0/255, 0);
- cairo_pattern_add_color_stop_rgb(outer_pat, 1, 51.0/255, 219.0/255, 0);
- } else {
- /* For backspace, we use red. */
- outer_pat = cairo_pattern_create_linear(0, 0, 0, BUTTON_DIAMETER);
- cairo_pattern_add_color_stop_rgb(outer_pat, 0, 219.0/255, 139.0/255, 0);
- cairo_pattern_add_color_stop_rgb(outer_pat, 1, 219.0/255, 51.0/255, 0);
- }
- cairo_set_source(ctx, outer_pat);
- cairo_stroke(ctx);
-
- /* Draw two little separators for the highlighted part of the
- * unlock indicator. */
- cairo_set_source_rgb(ctx, 0, 0, 0);
- cairo_arc(ctx,
- (resolution[0] / 2) /* x */,
- (resolution[1] / 2) /* y */,
- BUTTON_RADIUS /* radius */,
- highlight_start /* start */,
- highlight_start + (M_PI / 128.0) /* end */);
- cairo_stroke(ctx);
- cairo_arc(ctx,
- (resolution[0] / 2) /* x */,
- (resolution[1] / 2) /* y */,
- BUTTON_RADIUS /* radius */,
- highlight_start + (M_PI / 3.0) /* start */,
- (highlight_start + (M_PI / 3.0)) + (M_PI / 128.0) /* end */);
- cairo_stroke(ctx);
- }
- }
-
- cairo_surface_destroy(output);
- cairo_destroy(ctx);
-#endif
- return bg_pixmap;
-}
-
-/*
- * Calls draw_image on a new pixmap and swaps that with the current pixmap
- *
- */
-static void redraw_screen() {
- 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 });
- /* XXX: Possible optimization: Only update the area in the middle of the
- * screen instead of the whole screen. */
- xcb_clear_area(conn, 0, win, 0, 0, scr->width_in_pixels, scr->height_in_pixels);
- xcb_free_pixmap(conn, bg_pixmap);
- xcb_flush(conn);
-}
/*
* Resets pam_state to STATE_PAM_IDLE 2 seconds after an unsuccesful
* and also redraw the image, if any.
*
*/
-void handle_screen_resize(xcb_visualtype_t *vistype, xcb_window_t win, uint32_t* last_resolution) {
+void handle_screen_resize(xcb_window_t win, uint32_t* last_resolution) {
xcb_get_geometry_cookie_t geomc;
xcb_get_geometry_reply_t *geom;
- geomc = xcb_get_geometry(conn, scr->root);
+ geomc = xcb_get_geometry(conn, screen->root);
if ((geom = xcb_get_geometry_reply(conn, geomc, 0)) == NULL) {
return;
}
last_resolution[1] = geom->height;
#ifndef NOLIBCAIRO
- if (img) {
- 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 });
- xcb_free_pixmap(conn, bg_pixmap);
- }
+ redraw_screen();
#endif
uint32_t mask = XCB_CONFIG_WINDOW_WIDTH | XCB_CONFIG_WINDOW_HEIGHT;
}
if (type == XCB_CONFIGURE_NOTIFY) {
- handle_screen_resize(vistype, win, last_resolution);
+ handle_screen_resize(win, last_resolution);
continue;
}
#endif
int ret;
struct pam_conv conv = {conv_callback, NULL};
- int screen;
+ int nscreen;
int curs_choice = CURS_NONE;
char o;
int optind = 0;
err(EXIT_FAILURE, "Could not lock page in memory, check RLIMIT_MEMLOCK");
/* Initialize connection to X11 */
- if ((conn = xcb_connect(NULL, &screen)) == NULL ||
+ if ((conn = xcb_connect(NULL, &nscreen)) == NULL ||
xcb_connection_has_error(conn))
errx(EXIT_FAILURE, "Could not connect to X11, maybe you need to set DISPLAY?");
}
}
- scr = xcb_setup_roots_iterator(xcb_get_setup(conn)).data;
- vistype = get_root_visual_type(scr);
+ screen = xcb_setup_roots_iterator(xcb_get_setup(conn)).data;
- last_resolution[0] = scr->width_in_pixels;
- last_resolution[1] = scr->height_in_pixels;
+ last_resolution[0] = screen->width_in_pixels;
+ last_resolution[1] = screen->height_in_pixels;
#ifndef NOLIBCAIRO
#endif
/* Pixmap on which the image is rendered to (if any) */
- xcb_pixmap_t bg_pixmap = draw_image(vistype, last_resolution);
+ xcb_pixmap_t bg_pixmap = draw_image(last_resolution);
/* open the fullscreen window, already with the correct pixmap in place */
- win = open_fullscreen_window(conn, scr, color, bg_pixmap);
+ win = open_fullscreen_window(conn, screen, color, bg_pixmap);
xcb_free_pixmap(conn, bg_pixmap);
- cursor = create_cursor(conn, scr, win, curs_choice);
+ cursor = create_cursor(conn, screen, win, curs_choice);
- grab_pointer_and_keyboard(conn, scr, cursor);
+ grab_pointer_and_keyboard(conn, screen, cursor);
symbols = xcb_key_symbols_alloc(conn);
modeswitchmask = get_mod_mask(conn, symbols, XK_Mode_switch);
--- /dev/null
+/*
+ * vim:ts=4:sw=4:expandtab
+ *
+ * © 2010-2012 Michael Stapelberg
+ *
+ * See LICENSE for licensing information
+ *
+ */
+#include <stdbool.h>
+#include <stdlib.h>
+#include <math.h>
+#include <xcb/xcb.h>
+#include <xcb/xcb_keysyms.h>
+
+#ifndef NOLIBCAIRO
+#include <cairo.h>
+#include <cairo/cairo-xcb.h>
+#endif
+
+#include "xcb.h"
+#include "unlock_indicator.h"
+
+#define BUTTON_RADIUS 90
+#define BUTTON_SPACE (BUTTON_RADIUS + 5)
+#define BUTTON_CENTER (BUTTON_RADIUS + 5)
+#define BUTTON_DIAMETER (5 * BUTTON_SPACE)
+
+/*******************************************************************************
+ * Variables defined in i3lock.c.
+ ******************************************************************************/
+
+/* The lock window. */
+extern xcb_window_t win;
+
+/* The current resolution of the X11 root window. */
+extern uint32_t last_resolution[2];
+
+/* Whether the unlock indicator is enabled (defaults to true). */
+extern bool unlock_indicator;
+
+/* A Cairo surface containing the specified image (-i), if any. */
+extern cairo_surface_t *img;
+/* Whether the image should be tiled. */
+extern bool tile;
+/* The background color to use (in hex). */
+extern char color[7];
+
+/*******************************************************************************
+ * Local variables.
+ ******************************************************************************/
+
+/* Cache the screen’s visual, necessary for creating a Cairo context. */
+static xcb_visualtype_t *vistype;
+
+/* Maintain the current unlock/PAM state to draw the appropriate unlock
+ * indicator. */
+unlock_state_t unlock_state;
+pam_state_t pam_state;
+
+/*
+ * Draws global image with fill color onto a pixmap with the given
+ * resolution and returns it.
+ *
+ */
+xcb_pixmap_t draw_image(uint32_t *resolution) {
+ xcb_pixmap_t bg_pixmap = XCB_NONE;
+
+#ifndef NOLIBCAIRO
+ if (!vistype)
+ vistype = get_root_visual_type(screen);
+ bg_pixmap = create_bg_pixmap(conn, screen, resolution, color);
+ /* Initialize cairo */
+ cairo_surface_t *output;
+ output = cairo_xcb_surface_create(conn, bg_pixmap, vistype,
+ resolution[0], resolution[1]);
+ cairo_t *ctx = cairo_create(output);
+ if (img) {
+ if (!tile) {
+ cairo_set_source_surface(ctx, img, 0, 0);
+ cairo_paint(ctx);
+ } else {
+ /* create a pattern and fill a rectangle as big as the screen */
+ cairo_pattern_t *pattern;
+ pattern = cairo_pattern_create_for_surface(img);
+ cairo_set_source(ctx, pattern);
+ cairo_pattern_set_extend(pattern, CAIRO_EXTEND_REPEAT);
+ cairo_rectangle(ctx, 0, 0, resolution[0], resolution[1]);
+ cairo_fill(ctx);
+ cairo_pattern_destroy(pattern);
+ }
+ }
+
+ if (unlock_state >= STATE_KEY_PRESSED && unlock_indicator) {
+ cairo_pattern_t *outer_pat = NULL;
+
+ outer_pat = cairo_pattern_create_linear(0, 0, 0, BUTTON_DIAMETER);
+ switch (pam_state) {
+ case STATE_PAM_VERIFY:
+ cairo_pattern_add_color_stop_rgb(outer_pat, 0, 139.0/255, 0, 250.0/255);
+ cairo_pattern_add_color_stop_rgb(outer_pat, 1, 51.0/255, 0, 250.0/255);
+ break;
+ case STATE_PAM_WRONG:
+ cairo_pattern_add_color_stop_rgb(outer_pat, 0, 255.0/250, 139.0/255, 0);
+ cairo_pattern_add_color_stop_rgb(outer_pat, 1, 125.0/255, 51.0/255, 0);
+ break;
+ case STATE_PAM_IDLE:
+ cairo_pattern_add_color_stop_rgb(outer_pat, 0, 139.0/255, 125.0/255, 0);
+ cairo_pattern_add_color_stop_rgb(outer_pat, 1, 51.0/255, 125.0/255, 0);
+ break;
+ }
+
+ /* Draw a (centered) circle with transparent background. */
+ cairo_set_line_width(ctx, 10.0);
+ cairo_arc(ctx,
+ (resolution[0] / 2) /* x */,
+ (resolution[1] / 2) /* y */,
+ BUTTON_RADIUS /* radius */,
+ 0 /* start */,
+ 2 * M_PI /* end */);
+
+ /* Use the appropriate color for the different PAM states
+ * (currently verifying, wrong password, or default) */
+ switch (pam_state) {
+ case STATE_PAM_VERIFY:
+ cairo_set_source_rgba(ctx, 0, 114.0/255, 255.0/255, 0.75);
+ break;
+ case STATE_PAM_WRONG:
+ cairo_set_source_rgba(ctx, 250.0/255, 0, 0, 0.75);
+ break;
+ default:
+ cairo_set_source_rgba(ctx, 0, 0, 0, 0.75);
+ break;
+ }
+ cairo_fill_preserve(ctx);
+ cairo_set_source(ctx, outer_pat);
+ cairo_stroke(ctx);
+
+ /* Draw an inner seperator line. */
+ cairo_set_source_rgb(ctx, 0, 0, 0);
+ cairo_set_line_width(ctx, 2.0);
+ cairo_arc(ctx,
+ (resolution[0] / 2) /* x */,
+ (resolution[1] / 2) /* y */,
+ BUTTON_RADIUS - 5 /* radius */,
+ 0,
+ 2 * M_PI);
+ cairo_stroke(ctx);
+
+ cairo_set_line_width(ctx, 10.0);
+
+ /* Display a (centered) text of the current PAM state. */
+ char *text = NULL;
+ switch (pam_state) {
+ case STATE_PAM_VERIFY:
+ text = "verifying…";
+ break;
+ case STATE_PAM_WRONG:
+ text = "wrong!";
+ break;
+ default:
+ break;
+ }
+
+ if (text) {
+ cairo_text_extents_t extents;
+ double x, y;
+
+ cairo_set_source_rgb(ctx, 0, 0, 0);
+ cairo_set_font_size(ctx, 28.0);
+
+ cairo_text_extents(ctx, text, &extents);
+ x = (resolution[0] / 2.0) - ((extents.width / 2) + extents.x_bearing);
+ y = (resolution[1] / 2.0) - ((extents.height / 2) + extents.y_bearing);
+
+ cairo_move_to(ctx, x, y);
+ cairo_show_text(ctx, text);
+ cairo_close_path(ctx);
+ }
+
+ /* After the user pressed any valid key or the backspace key, we
+ * highlight a random part of the unlock indicator to confirm this
+ * keypress. */
+ if (unlock_state == STATE_KEY_ACTIVE ||
+ unlock_state == STATE_BACKSPACE_ACTIVE) {
+ cairo_new_sub_path(ctx);
+ double highlight_start = (rand() % (int)(2 * M_PI * 100)) / 100.0;
+ cairo_arc(ctx, resolution[0] / 2 /* x */, resolution[1] / 2 /* y */,
+ BUTTON_RADIUS /* radius */, highlight_start,
+ highlight_start + (M_PI / 3.0));
+ if (unlock_state == STATE_KEY_ACTIVE) {
+ /* For normal keys, we use a lighter green. */
+ outer_pat = cairo_pattern_create_linear(0, 0, 0, BUTTON_DIAMETER);
+ cairo_pattern_add_color_stop_rgb(outer_pat, 0, 139.0/255, 219.0/255, 0);
+ cairo_pattern_add_color_stop_rgb(outer_pat, 1, 51.0/255, 219.0/255, 0);
+ } else {
+ /* For backspace, we use red. */
+ outer_pat = cairo_pattern_create_linear(0, 0, 0, BUTTON_DIAMETER);
+ cairo_pattern_add_color_stop_rgb(outer_pat, 0, 219.0/255, 139.0/255, 0);
+ cairo_pattern_add_color_stop_rgb(outer_pat, 1, 219.0/255, 51.0/255, 0);
+ }
+ cairo_set_source(ctx, outer_pat);
+ cairo_stroke(ctx);
+
+ /* Draw two little separators for the highlighted part of the
+ * unlock indicator. */
+ cairo_set_source_rgb(ctx, 0, 0, 0);
+ cairo_arc(ctx,
+ (resolution[0] / 2) /* x */,
+ (resolution[1] / 2) /* y */,
+ BUTTON_RADIUS /* radius */,
+ highlight_start /* start */,
+ highlight_start + (M_PI / 128.0) /* end */);
+ cairo_stroke(ctx);
+ cairo_arc(ctx,
+ (resolution[0] / 2) /* x */,
+ (resolution[1] / 2) /* y */,
+ BUTTON_RADIUS /* radius */,
+ highlight_start + (M_PI / 3.0) /* start */,
+ (highlight_start + (M_PI / 3.0)) + (M_PI / 128.0) /* end */);
+ cairo_stroke(ctx);
+ }
+ }
+
+ cairo_surface_destroy(output);
+ cairo_destroy(ctx);
+#endif
+ return bg_pixmap;
+}
+
+/*
+ * Calls draw_image on a new pixmap and swaps that with the current pixmap
+ *
+ */
+void redraw_screen() {
+ xcb_pixmap_t bg_pixmap = draw_image(last_resolution);
+ xcb_change_window_attributes(conn, win, XCB_CW_BACK_PIXMAP, (uint32_t[1]){ bg_pixmap });
+ /* XXX: Possible optimization: Only update the area in the middle of the
+ * screen instead of the whole screen. */
+ xcb_clear_area(conn, 0, win, 0, 0, screen->width_in_pixels, screen->height_in_pixels);
+ xcb_free_pixmap(conn, bg_pixmap);
+ xcb_flush(conn);
+}