PolytreeDE
/
i3lock-color
mirror of https://github.com/Raymo111/i3lock-color.git
1
0
Fork 0
Code Releases Activity
i3lock-color/unlock_indicator.c

1320 lines
50 KiB
C
Raw Permalink Blame History

This file contains ambiguous Unicode characters

This file contains Unicode characters that might be confused with other characters. If you think that this is intentional, you can safely ignore this warning. Use the Escape button to reveal them.

/*
* vim:ts=4:sw=4:expandtab
*
* © 2010 Michael Stapelberg
* © 2015 Cassandra Fox
* © 2021 Raymond Li
*
* See LICENSE for licensing information
*
*/
#include <stdbool.h>
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <math.h>
#include <xcb/xcb.h>
#include <xcb/randr.h>
#include <ev.h>
#include <cairo.h>
#include <cairo/cairo-xcb.h>
#include "i3lock.h"
#include "xcb.h"
#include "unlock_indicator.h"
#include "randr.h"
#include "dpi.h"
#include "tinyexpr.h"
#include "fonts.h"
/* clock stuff */
#include <time.h>
extern double circle_radius;
extern double ring_width;
#define BUTTON_RADIUS (circle_radius)
#define RING_WIDTH (ring_width)
#define BUTTON_SPACE (BUTTON_RADIUS + (RING_WIDTH / 2))
#define BUTTON_DIAMETER (2 * BUTTON_SPACE)
/*******************************************************************************
* Variables defined in i3lock.c.
******************************************************************************/
extern bool debug_mode;
/* The current position in the input buffer. Useful to determine if any
* characters of the password have already been entered or not. */
extern int input_position;
/* 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;
/* List of pressed modifiers, or NULL if none are pressed. */
extern char *modifier_string;
/* A Cairo surface containing the specified image (-i), if any. */
extern cairo_surface_t *img;
extern char *image_path;
extern char *slideshow_path;
extern char *img_slideshow[256];
extern cairo_surface_t *blur_bg_img;
extern int slideshow_image_count;
extern int slideshow_interval;
extern bool slideshow_random_selection;
int slideshow_image_now = 0;
unsigned long lastCheck;
/* How the background image should be displayed */
extern background_type_t bg_type;
/* The background color to use (in hex). */
extern char color[9];
/* indicator color options */
extern char insidevercolor[9];
extern char insidewrongcolor[9];
extern char insidecolor[9];
extern char ringvercolor[9];
extern char ringwrongcolor[9];
extern char ringcolor[9];
extern char linecolor[9];
extern char verifcolor[9];
extern char wrongcolor[9];
extern char layoutcolor[9];
extern char timecolor[9];
extern char datecolor[9];
extern char modifcolor[9];
extern char keyhlcolor[9];
extern char bshlcolor[9];
extern char separatorcolor[9];
extern char greetercolor[9];
extern int internal_line_source;
extern char verifoutlinecolor[9];
extern char wrongoutlinecolor[9];
extern char layoutoutlinecolor[9];
extern char timeoutlinecolor[9];
extern char dateoutlinecolor[9];
extern char greeteroutlinecolor[9];
extern char modifoutlinecolor[9];
extern int screen_number;
extern float refresh_rate;
extern bool show_clock;
extern bool always_show_clock;
extern bool show_indicator;
extern int verif_align;
extern int wrong_align;
extern int time_align;
extern int date_align;
extern int layout_align;
extern int modif_align;
extern int greeter_align;
extern char time_format[32];
extern char date_format[32];
extern char *fonts[6];
extern char ind_x_expr[32];
extern char ind_y_expr[32];
extern char time_x_expr[32];
extern char time_y_expr[32];
extern char date_x_expr[32];
extern char date_y_expr[32];
extern char layout_x_expr[32];
extern char layout_y_expr[32];
extern char status_x_expr[32];
extern char status_y_expr[32];
extern char verif_x_expr[32];
extern char verif_y_expr[32];
extern char wrong_x_expr[32];
extern char wrong_y_expr[32];
extern char modif_x_expr[32];
extern char modif_y_expr[32];
extern char greeter_x_expr[32];
extern char greeter_y_expr[32];
extern double time_size;
extern double date_size;
extern double verif_size;
extern double wrong_size;
extern double modifier_size;
extern double layout_size;
extern double greeter_size;
extern double timeoutlinewidth;
extern double dateoutlinewidth;
extern double verifoutlinewidth;
extern double wrongoutlinewidth;
extern double modifieroutlinewidth;
extern double layoutoutlinewidth;
extern double greeteroutlinewidth;
extern char *verif_text;
extern char *wrong_text;
extern char *noinput_text;
extern char *lock_text;
extern char *lock_failed_text;
extern char *layout_text;
extern char *greeter_text;
bool load_slideshow_images(const char *path);
cairo_surface_t* load_image(char* image_path);
/* Whether the failed attempts should be displayed. */
extern bool show_failed_attempts;
/* Number of failed unlock attempts. */
extern int failed_attempts;
/*******************************************************************************
* Variables defined in xcb.c.
******************************************************************************/
/* The root screen, to determine the DPI. */
extern xcb_screen_t *screen;
/*******************************************************************************
* Local variables.
******************************************************************************/
/* time stuff */
static struct ev_periodic *time_redraw_tick;
/* Cache the screen’s visual, necessary for creating a Cairo context. */
static xcb_visualtype_t *vistype;
int current_slideshow_index = 0;
/* Maintain the current unlock/PAM state to draw the appropriate unlock
* indicator. */
unlock_state_t unlock_state;
auth_state_t auth_state;
// color arrays
rgba_t insidever16;
rgba_t insidewrong16;
rgba_t inside16;
rgba_t ringver16;
rgba_t ringwrong16;
rgba_t ring16;
rgba_t line16;
rgba_t verif16;
rgba_t wrong16;
rgba_t layout16;
rgba_t time16;
rgba_t date16;
rgba_t modif16;
rgba_t keyhl16;
rgba_t bshl16;
rgba_t sep16;
rgba_t bar16;
rgba_t greeter16;
rgba_t background;
rgba_t verifoutline16;
rgba_t wrongoutline16;
rgba_t layoutoutline16;
rgba_t timeoutline16;
rgba_t dateoutline16;
rgba_t greeteroutline16;
rgba_t modifoutline16;
// experimental bar stuff
#define BAR_VERT 0
#define BAR_FLAT 1
// experimental bar stuff
extern bool bar_enabled;
extern double *bar_heights;
extern double bar_step;
extern double bar_base_height;
extern double bar_periodic_step;
extern double max_bar_height;
extern double bar_position;
extern int bar_count;
extern int bar_orientation;
extern char bar_base_color[9];
extern char bar_x_expr[32];
extern char bar_y_expr[32];
extern char bar_width_expr[32];
extern bool bar_bidirectional;
extern bool bar_reversed;
static cairo_font_face_t *font_faces[6] = {
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
};
static control_char_config_t control_characters[] = {
{'\n', CC_POS_RESET, 0, CC_POS_CHANGE, 1},
{'\b', CC_POS_CHANGE, -1, CC_POS_KEEP, 0},
{'\r', CC_POS_RESET, 0, CC_POS_KEEP, 0},
{'\t', CC_POS_TAB, 4, CC_POS_KEEP, 0},
};
size_t control_char_count = sizeof control_characters / sizeof(control_char_config_t);
static cairo_font_face_t *get_font_face(int which) {
if (font_faces[which]) {
return font_faces[which];
}
const unsigned char *face_name = (const unsigned char *)fonts[which];
FcResult result;
/*
* Loads the default config.
* On successive calls, does no work and just returns true.
*/
if (!FcInit()) {
DEBUG("Fontconfig init failed. No text will be shown.\n");
return NULL;
}
/*
* converts a font face name to a pattern for that face name
*/
FcPattern *pattern = FcNameParse(face_name);
if (!pattern) {
DEBUG("no sans-serif font available\n");
return NULL;
}
/*
* Gets the default font for our pattern. (Gets the default sans-serif font face)
* Without these two calls, the FcFontMatch call will fail due to FcConfigGetCurrent()
* not giving it a valid/useful config.
*/
FcDefaultSubstitute(pattern);
if (!FcConfigSubstitute(FcConfigGetCurrent(), pattern, FcMatchPattern)) {
DEBUG("config sub failed?\n");
return NULL;
}
/*
* Looks up the font pattern and does some internal RenderPrepare work,
* then returns the resulting pattern that's ready for rendering.
*/
FcPattern *pattern_ready = FcFontMatch(FcConfigGetCurrent(), pattern, &result);
FcPatternDestroy(pattern);
pattern = NULL;
if (!pattern_ready) {
DEBUG("no sans-serif font available\n");
return NULL;
}
/*
* Passes the given pattern into cairo, which loads it into a cairo freetype font face.
* Increment its reference count and cache it.
*/
cairo_font_face_t *face = cairo_ft_font_face_create_for_pattern(pattern_ready);
FcPatternDestroy(pattern_ready);
font_faces[which] = cairo_font_face_reference(face);
FcFini();
return face;
}
/*
* Splits the given text by "control chars",
* And then draws the given text onto the cairo context.
*/
static void draw_text_with_cc(cairo_t *ctx, text_t text, double start_x) {
// get scaled_font
cairo_scaled_font_t *sft;
cairo_matrix_t fm, ctm;
cairo_matrix_init_scale(&fm, text.size, text.size);
cairo_get_matrix(ctx, &ctm);
cairo_font_options_t *opts;
opts = cairo_font_options_create();
sft = cairo_scaled_font_create(text.font, &fm, &ctm, opts);
cairo_font_options_destroy(opts);
/* use `a` to represent common character width, using in `\t` */
cairo_text_extents_t te;
cairo_text_extents(ctx, "a", &te);
// convert text to glyphs.
cairo_status_t status;
cairo_glyph_t* glyphs;
int nglyphs = 0,
len = 0,
start = 0,
lineno = 0,
x = start_x,
y = text.y;
size_t cur_cc;
while (text.str[start + len] != '\0') {
char is_cc = 0;
do {
for (cur_cc = 0; cur_cc < control_char_count; cur_cc++) {
if (text.str[start+len] == control_characters[cur_cc].character) {
is_cc = 1;
break;
}
}
} while (text.str[start+(len++)] != '\0' && !is_cc);
if (len > is_cc) {
status = cairo_scaled_font_text_to_glyphs(
sft, x, y, text.str + start, is_cc ? len - 1: len,
&glyphs, &nglyphs,
NULL, NULL, NULL
);
if (status == CAIRO_STATUS_SUCCESS) {
cairo_glyph_path(ctx, glyphs, nglyphs);
} else {
DEBUG("draw %c failed\n", text.str[start]);
}
}
if (is_cc && (cur_cc < control_char_count)) {
if (control_characters[cur_cc].x_behavior == CC_POS_CHANGE) {
char x_offset = control_characters[cur_cc].x_behavior_arg;
if (x_offset < 0 && x_offset > -nglyphs) {
x = glyphs[nglyphs+x_offset].x;
} else if (x_offset > 0) {
if (nglyphs >= 1) { // the case is some leading control chars.(although there is none now)
x = glyphs[nglyphs - 1].x + x_offset * te.x_advance;
} else { // deal the leading control chars.
x += x_offset * te.x_advance;
}
}
} else if (control_characters[cur_cc].x_behavior == CC_POS_RESET) {
x = start_x;
} else if (control_characters[cur_cc].x_behavior == CC_POS_TAB) {
if (nglyphs > 0) { // there may be leading tab, such as '\t\t' or '\n\t'
int advance = control_characters[cur_cc].x_behavior_arg - ((nglyphs - 1) % control_characters[cur_cc].x_behavior_arg);
x = glyphs[nglyphs - 1].x + advance * te.x_advance;
} else { // deal the leading tab.
x += control_characters[cur_cc].x_behavior_arg * te.x_advance;
}
}
if (control_characters[cur_cc].y_behavior == CC_POS_CHANGE) {
lineno += control_characters[cur_cc].y_behavior_arg;
} // CC_POS_KEEP is default for y
}
y = text.y + text.size * lineno;
if (len > is_cc) {
cairo_glyph_free(glyphs);
}
nglyphs = 0;
start += len;
len = 0;
}
cairo_scaled_font_destroy(sft);
}
/*
* Draws the given text onto the cairo context
*/
static void draw_text(cairo_t *ctx, text_t text) {
if (!text.show)
return;
cairo_text_extents_t extents;
cairo_set_font_face(ctx, text.font);
cairo_set_font_size(ctx, text.size);
cairo_text_extents(ctx, text.str, &extents);
double x;
switch (text.align) {
case 1:
x = text.x;
break;
case 2:
x = text.x - (extents.width + extents.x_bearing);
break;
case 0:
default:
x = text.x - extents.x_advance / 2;
break;
}
cairo_set_source_rgba(ctx, text.color.red, text.color.green, text.color.blue, text.color.alpha);
draw_text_with_cc(ctx, text, x);
cairo_fill_preserve(ctx);
cairo_set_source_rgba(ctx, text.outline_color.red, text.outline_color.green, text.outline_color.blue, text.outline_color.alpha);
cairo_set_line_width(ctx, text.outline_width);
cairo_stroke(ctx);
}
static void draw_single_bar(cairo_t *ctx, double pos, double offset, double width, double height) {
if (bar_reversed) {
offset -= height;
} else if (bar_bidirectional) {
offset -= height / 2;
}
if (bar_orientation == BAR_VERT)
cairo_rectangle(ctx, offset, pos, height, width);
else
cairo_rectangle(ctx, pos, offset, width, height);
cairo_fill(ctx);
}
static void draw_bar(cairo_t *ctx, double bar_x, double bar_y, double bar_width, double screen_x, double screen_y) {
cairo_save(ctx);
switch (auth_state) {
case STATE_AUTH_VERIFY:
case STATE_AUTH_LOCK:
cairo_set_source_rgba(ctx, ringver16.red, ringver16.green, ringver16.blue, ringver16.alpha);
break;
case STATE_AUTH_WRONG:
case STATE_I3LOCK_LOCK_FAILED:
cairo_set_source_rgba(ctx, ringwrong16.red, ringwrong16.green, ringwrong16.blue, ringwrong16.alpha);
break;
default:
cairo_set_source_rgba(ctx, bar16.red, bar16.green, bar16.blue, bar16.alpha);
break;
}
if (bar_orientation == BAR_VERT)
draw_single_bar(ctx, bar_y, bar_x, bar_width, bar_base_height);
else
draw_single_bar(ctx, bar_x, bar_y, bar_width, bar_base_height);
if (unlock_state == STATE_BACKSPACE_ACTIVE)
cairo_set_source_rgba(ctx, bshl16.red, bshl16.green, bshl16.blue, bshl16.alpha);
else
cairo_set_source_rgba(ctx, keyhl16.red, keyhl16.green, keyhl16.blue, keyhl16.alpha);
cairo_set_operator(ctx, CAIRO_OPERATOR_SOURCE);
double base_width = bar_width / bar_count;
double bar_pos, bar_offset;
if (bar_orientation == BAR_VERT) {
bar_pos = bar_y;
bar_offset = bar_x;
} else {
bar_pos = bar_x;
bar_offset = bar_y;
}
for (int i = 0; i < bar_count; ++i) {
double bar_height = bar_heights[i];
if (bar_bidirectional) bar_height *= 2;
if (bar_height > 0) {
draw_single_bar(ctx, bar_pos + i * base_width, bar_offset, base_width, bar_height);
}
}
for (int i = 0; i < bar_count; ++i) {
if (bar_heights[i] > 0) {
bar_heights[i] -= bar_periodic_step;
}
}
cairo_restore(ctx);
}
static void draw_indic(cairo_t *ctx, double ind_x, double ind_y) {
if (unlock_indicator &&
(unlock_state >= STATE_KEY_PRESSED || auth_state > STATE_AUTH_IDLE || show_indicator)) {
/* Draw a (centered) circle with transparent background. */
cairo_set_line_width(ctx, RING_WIDTH);
cairo_arc(ctx, ind_x, ind_y, BUTTON_RADIUS, 0, 2 * M_PI);
/* Use the appropriate color for the different PAM states
* (currently verifying, wrong password, or default) */
switch (auth_state) {
case STATE_AUTH_VERIFY:
case STATE_AUTH_LOCK:
cairo_set_source_rgba(ctx, insidever16.red, insidever16.green, insidever16.blue, insidever16.alpha);
break;
case STATE_AUTH_WRONG:
case STATE_I3LOCK_LOCK_FAILED:
cairo_set_source_rgba(ctx, insidewrong16.red, insidewrong16.green, insidewrong16.blue, insidewrong16.alpha);
break;
default:
if (unlock_state == STATE_NOTHING_TO_DELETE) {
cairo_set_source_rgba(ctx, insidewrong16.red, insidewrong16.green, insidewrong16.blue, insidewrong16.alpha);
break;
}
cairo_set_source_rgba(ctx, inside16.red, inside16.green, inside16.blue, inside16.alpha);
break;
}
cairo_fill_preserve(ctx);
switch (auth_state) {
case STATE_AUTH_VERIFY:
case STATE_AUTH_LOCK:
cairo_set_source_rgba(ctx, ringver16.red, ringver16.green, ringver16.blue, ringver16.alpha);
if (internal_line_source == 1) {
line16.red = ringver16.red;
line16.green = ringver16.green;
line16.blue = ringver16.blue;
line16.alpha = ringver16.alpha;
}
break;
case STATE_AUTH_WRONG:
case STATE_I3LOCK_LOCK_FAILED:
cairo_set_source_rgba(ctx, ringwrong16.red, ringwrong16.green, ringwrong16.blue, ringwrong16.alpha);
if (internal_line_source == 1) {
line16.red = ringwrong16.red;
line16.green = ringwrong16.green;
line16.blue = ringwrong16.blue;
line16.alpha = ringwrong16.alpha;
}
break;
case STATE_AUTH_IDLE:
if (unlock_state == STATE_NOTHING_TO_DELETE) {
cairo_set_source_rgba(ctx, ringwrong16.red, ringwrong16.green, ringwrong16.blue, ringwrong16.alpha);
if (internal_line_source == 1) {
line16.red = ringwrong16.red;
line16.green = ringwrong16.green;
line16.blue = ringwrong16.blue;
line16.alpha = ringwrong16.alpha;
}
break;
}
cairo_set_source_rgba(ctx, ring16.red, ring16.green, ring16.blue, ring16.alpha);
if (internal_line_source == 1) {
line16.red = ring16.red;
line16.green = ring16.green;
line16.blue = ring16.blue;
line16.alpha = ring16.alpha;
}
break;
}
cairo_stroke(ctx);
/* Draw an inner separator line. */
if (internal_line_source != 2) { //pretty sure this only needs drawn if it's being drawn over the inside?
cairo_set_source_rgba(ctx, line16.red, line16.green, line16.blue, line16.alpha);
cairo_set_line_width(ctx, 2.0);
cairo_arc(ctx, ind_x, ind_y, BUTTON_RADIUS - 5, 0, 2 * M_PI);
cairo_stroke(ctx);
}
if (unlock_state == STATE_KEY_ACTIVE || unlock_state == STATE_BACKSPACE_ACTIVE) {
cairo_set_line_width(ctx, RING_WIDTH);
cairo_new_sub_path(ctx);
double highlight_start = (rand() % (int)(2 * M_PI * 100)) / 100.0;
cairo_arc(ctx, ind_x, ind_y, BUTTON_RADIUS,
highlight_start, highlight_start + (M_PI / 3.0));
if (unlock_state == STATE_KEY_ACTIVE) {
/* For normal keys, we use a lighter green. */
cairo_set_source_rgba(ctx, keyhl16.red, keyhl16.green, keyhl16.blue, keyhl16.alpha);
} else {
/* For backspace, we use red. */
cairo_set_source_rgba(ctx, bshl16.red, bshl16.green, bshl16.blue, bshl16.alpha);
}
cairo_stroke(ctx);
/* Draw two little separators for the highlighted part of the
* unlock indicator. */
cairo_set_source_rgba(ctx, sep16.red, sep16.green, sep16.blue, sep16.alpha);
cairo_arc(ctx, ind_x, ind_y, BUTTON_RADIUS,
highlight_start, highlight_start + (M_PI / 128.0));
cairo_stroke(ctx);
cairo_arc(ctx, ind_x, ind_y, BUTTON_RADIUS,
(highlight_start + (M_PI / 3.0)) - (M_PI / 128.0),
highlight_start + (M_PI / 3.0));
cairo_stroke(ctx);
}
}
}
/*
* Initialize all the color arrays once.
* Called once after options are parsed.
*/
/*
colorstring: 8-character RGBA string ("ff0000ff", "00000000", "ffffffff", etc)
colorstring16: array of 4 integers (r, g, b, a).
MAKE_COLORGROUPS(colorstring, colorstring16) =>
char colorstring_tmparr[4][3] = {{colorstring[0], colorstring[1], '\0'},
{colorstring[2], colorstring[3], '\0'},
{colorstring[4], colorstring[5], '\0'},
{colorstring[6], colorstring[7], '\0'}};
uint32_t colorstring16[4] = {(strtol(colorstring_tmparr[0], NULL, 16)),
(strtol(colorstring_tmparr[1], NULL, 16)),
(strtol(colorstring_tmparr[2], NULL, 16)),
(strtol(colorstring_tmparr[3], NULL, 16))};
*/
static void set_color(char *dest, const char *src, int offset) {
dest[0] = src[offset];
dest[1] = src[offset + 1];
dest[2] = '\0';
}
static void colorgen(rgba_str_t *tmp, const char *src, rgba_t *dest) {
set_color(tmp->red, src, 0);
set_color(tmp->green, src, 2);
set_color(tmp->blue, src, 4);
set_color(tmp->alpha, src, 6);
dest->red = strtol(tmp->red, NULL, 16) / 255.0;
dest->green = strtol(tmp->green, NULL, 16) / 255.0;
dest->blue = strtol(tmp->blue, NULL, 16) / 255.0;
dest->alpha = strtol(tmp->alpha, NULL, 16) / 255.0;
}
void init_colors_once(void) {
/* initialize for slideshow time interval */
lastCheck = (unsigned long)time(NULL);
rgba_str_t tmp;
/* build indicator color arrays */
colorgen(&tmp, insidevercolor, &insidever16);
colorgen(&tmp, insidewrongcolor, &insidewrong16);
colorgen(&tmp, insidecolor, &inside16);
colorgen(&tmp, ringvercolor, &ringver16);
colorgen(&tmp, ringwrongcolor, &ringwrong16);
colorgen(&tmp, ringcolor, &ring16);
colorgen(&tmp, linecolor, &line16);
colorgen(&tmp, verifcolor, &verif16);
colorgen(&tmp, wrongcolor, &wrong16);
colorgen(&tmp, layoutcolor, &layout16);
colorgen(&tmp, timecolor, &time16);
colorgen(&tmp, datecolor, &date16);
colorgen(&tmp, modifcolor, &modif16);
colorgen(&tmp, keyhlcolor, &keyhl16);
colorgen(&tmp, bshlcolor, &bshl16);
colorgen(&tmp, separatorcolor, &sep16);
colorgen(&tmp, bar_base_color, &bar16);
colorgen(&tmp, greetercolor, &greeter16);
colorgen(&tmp, color, &background);
colorgen(&tmp, verifoutlinecolor, &verifoutline16);
colorgen(&tmp, wrongoutlinecolor, &wrongoutline16);
colorgen(&tmp, layoutoutlinecolor, &layoutoutline16);
colorgen(&tmp, timeoutlinecolor, &timeoutline16);
colorgen(&tmp, dateoutlinecolor, &dateoutline16);
colorgen(&tmp, greeteroutlinecolor, &greeteroutline16);
colorgen(&tmp, modifoutlinecolor, &modifoutline16);
}
static te_expr *compile_expression(const char *const from, const char *expression, const te_variable *variables, int var_count) {
int te_err = 0;
te_expr *expr = te_compile(expression, variables, var_count, &te_err);
if (te_err) {
fprintf(stderr, "Failed to reason about '%s' given by '%s'\n", expression, from);
exit(EXIT_FAILURE);
}
return expr;
}
static DrawData create_draw_data() {
DrawData draw_data;
memset(&draw_data, 0, sizeof(DrawData));
return draw_data;
}
static void draw_elements(cairo_t *const ctx, DrawData const *const draw_data) {
// indicator stuff
if (!bar_enabled) {
draw_indic(ctx, draw_data->indicator_x, draw_data->indicator_y);
} else {
if (unlock_state == STATE_KEY_ACTIVE ||
unlock_state == STATE_BACKSPACE_ACTIVE) {
// note: might be biased to cause more hits on lower indices
// maybe see about doing ((double) rand() / RAND_MAX) * bar_count
int index = rand() % bar_count;
bar_heights[index] = max_bar_height;
for (int i = 0; i < ((max_bar_height / bar_step) + 1); ++i) {
int low_ind = index - i;
while (low_ind < 0) {
low_ind += bar_count;
}
int high_ind = (index + i) % bar_count;
int tmp_height = max_bar_height - (bar_step * i);
if (tmp_height < 0)
tmp_height = 0;
if (bar_heights[low_ind] < tmp_height)
bar_heights[low_ind] = tmp_height;
if (bar_heights[high_ind] < tmp_height)
bar_heights[high_ind] = tmp_height;
if (tmp_height == 0)
break;
}
}
draw_bar(ctx, draw_data->bar_x, draw_data->bar_y, draw_data->bar_width, draw_data->screen_x, draw_data->screen_y);
}
draw_text(ctx, draw_data->status_text);
draw_text(ctx, draw_data->keylayout_text);
draw_text(ctx, draw_data->mod_text);
draw_text(ctx, draw_data->time_text);
draw_text(ctx, draw_data->date_text);
draw_text(ctx, draw_data->greeter_text);
}
/*
* Renders the lock screen on the provided drawable with the given resolution.
*/
void render_lock(uint32_t *resolution, xcb_drawable_t drawable) {
const double scaling_factor = get_dpi_value() / 96.0;
int button_diameter_physical = ceil(scaling_factor * BUTTON_DIAMETER);
DEBUG("scaling_factor is %.f, physical diameter is %d px\n",
scaling_factor, button_diameter_physical);
if (!vistype)
vistype = get_visualtype_by_depth(32, screen);
/* Initialize cairo: Create one in-memory surface to render the unlock
* indicator on, create one XCB surface to actually draw (one or more,
* depending on the amount of screens) unlock indicators on.
* create two more surfaces for time and date display
*/
cairo_surface_t *output = cairo_image_surface_create(CAIRO_FORMAT_ARGB32, resolution[0], resolution[1]);
cairo_t *ctx = cairo_create(output);
cairo_scale(ctx, scaling_factor, scaling_factor);
// cairo_set_font_face(ctx, get_font_face(0));
cairo_surface_t *xcb_output = cairo_xcb_surface_create(conn, drawable, vistype, resolution[0], resolution[1]);
cairo_t *xcb_ctx = cairo_create(xcb_output);
/*update image according to the slideshow_interval*/
if (slideshow_image_count > 0) {
unsigned long now = (unsigned long)time(NULL);
if (img == NULL || now - lastCheck >= slideshow_interval) {
if (slideshow_random_selection) {
img = load_image(img_slideshow[rand() % slideshow_image_count]);
} else {
img = load_image(img_slideshow[current_slideshow_index]);
}
current_slideshow_index++;
if (current_slideshow_index >= slideshow_image_count) {
current_slideshow_index = 0;
load_slideshow_images(slideshow_path);
}
lastCheck = now;
}
}
if (blur_bg_img) {
cairo_set_source_surface(xcb_ctx, blur_bg_img, 0, 0);
cairo_paint(xcb_ctx);
} else {
cairo_set_source_rgba(xcb_ctx, background.red, background.green, background.blue, background.alpha);
cairo_rectangle(xcb_ctx, 0, 0, resolution[0], resolution[1]);
cairo_fill(xcb_ctx);
}
if (img) {
draw_image(resolution, img, xcb_ctx);
}
/*
* gen text
* calc vars
* process if keystroke or not
* draw indicator
* draw text
*/
DrawData draw_data = create_draw_data();
if (unlock_indicator &&
(unlock_state >= STATE_KEY_PRESSED || auth_state > STATE_AUTH_IDLE || show_indicator)) {
switch (auth_state) {
case STATE_AUTH_VERIFY:
draw_data.status_text.show = true;
strncpy(draw_data.status_text.str, verif_text, sizeof(draw_data.status_text.str) - 1);
draw_data.status_text.font = get_font_face(VERIF_FONT);
draw_data.status_text.color = verif16;
draw_data.status_text.outline_color = verifoutline16;
draw_data.status_text.size = verif_size;
draw_data.status_text.outline_width = verifoutlinewidth;
draw_data.status_text.align = verif_align;
break;
case STATE_AUTH_LOCK:
draw_data.status_text.show = true;
strncpy(draw_data.status_text.str, lock_text, sizeof(draw_data.status_text.str) - 1);
draw_data.status_text.font = get_font_face(VERIF_FONT);
draw_data.status_text.color = verif16;
draw_data.status_text.outline_color = verifoutline16;
draw_data.status_text.size = verif_size;
draw_data.status_text.outline_width = verifoutlinewidth;
draw_data.status_text.align = verif_align;
break;
case STATE_AUTH_WRONG:
draw_data.status_text.show = true;
strncpy(draw_data.status_text.str, wrong_text, sizeof(draw_data.status_text.str) - 1);
draw_data.status_text.font = get_font_face(WRONG_FONT);
draw_data.status_text.color = wrong16;
draw_data.status_text.outline_color = wrongoutline16;
draw_data.status_text.size = wrong_size;
draw_data.status_text.outline_width = wrongoutlinewidth;
draw_data.status_text.align = wrong_align;
break;
case STATE_I3LOCK_LOCK_FAILED:
draw_data.status_text.show = true;
strncpy(draw_data.status_text.str, lock_failed_text, sizeof(draw_data.status_text.str) - 1);
draw_data.status_text.font = get_font_face(WRONG_FONT);
draw_data.status_text.color = wrong16;
draw_data.status_text.outline_color = wrongoutline16;
draw_data.status_text.size = wrong_size;
draw_data.status_text.outline_width = wrongoutlinewidth;
draw_data.status_text.align = wrong_align;
break;
default:
if (unlock_state == STATE_NOTHING_TO_DELETE) {
draw_data.status_text.show = true;
strncpy(draw_data.status_text.str, noinput_text, sizeof(draw_data.status_text.str) - 1);
draw_data.status_text.font = get_font_face(WRONG_FONT);
draw_data.status_text.color = wrong16;
draw_data.status_text.outline_color = wrongoutline16;
draw_data.status_text.size = wrong_size;
draw_data.status_text.outline_width = wrongoutlinewidth;
draw_data.status_text.align = wrong_align;
break;
}
if (show_failed_attempts && failed_attempts > 0) {
draw_data.status_text.show = true;
draw_data.status_text.font = get_font_face(WRONG_FONT);
draw_data.status_text.color = wrong16;
draw_data.status_text.outline_color = wrongoutline16;
draw_data.status_text.size = wrong_size;
draw_data.status_text.outline_width = wrongoutlinewidth;
draw_data.status_text.align = wrong_align;
// TODO: variable for this
draw_data.status_text.size = 32.0;
if (failed_attempts > 999) {
strncpy(draw_data.status_text.str, "> 999", sizeof(draw_data.status_text.str));
} else {
snprintf(draw_data.status_text.str, sizeof(draw_data.status_text.str), "%d", failed_attempts);
}
}
break;
}
}
if (modifier_string) {
draw_data.mod_text.show = true;
strncpy(draw_data.mod_text.str, modifier_string, sizeof(draw_data.mod_text.str) - 1);
draw_data.mod_text.size = modifier_size;
draw_data.mod_text.outline_width = modifieroutlinewidth;
draw_data.mod_text.font = get_font_face(WRONG_FONT);
draw_data.mod_text.align = modif_align;
draw_data.mod_text.color = modif16;
draw_data.mod_text.outline_color = modifoutline16;
}
if (layout_text) {
draw_data.keylayout_text.show = true;
strncpy(draw_data.keylayout_text.str, layout_text, sizeof(draw_data.keylayout_text.str) - 1);
draw_data.keylayout_text.size = layout_size;
draw_data.keylayout_text.outline_width = layoutoutlinewidth;
draw_data.keylayout_text.font = get_font_face(LAYOUT_FONT);
draw_data.keylayout_text.color = layout16;
draw_data.keylayout_text.outline_color = layoutoutline16;
draw_data.keylayout_text.align = layout_align;
}
if (greeter_text) {
draw_data.greeter_text.show = true;
strncpy(draw_data.greeter_text.str, greeter_text, sizeof(draw_data.greeter_text.str) - 1);
draw_data.greeter_text.size = greeter_size;
draw_data.greeter_text.outline_width = greeteroutlinewidth;
draw_data.greeter_text.font = get_font_face(GREETER_FONT);
draw_data.greeter_text.color = greeter16;
draw_data.greeter_text.outline_color = greeteroutline16;
draw_data.greeter_text.align = greeter_align;
}
if (show_clock && (!draw_data.status_text.show || always_show_clock)) {
time_t rawtime;
struct tm *timeinfo;
time(&rawtime);
timeinfo = localtime(&rawtime);
strftime(draw_data.time_text.str, 40, time_format, timeinfo);
if (*draw_data.time_text.str) {
draw_data.time_text.show = true;
draw_data.time_text.size = time_size;
draw_data.time_text.outline_width = timeoutlinewidth;
draw_data.time_text.color = time16;
draw_data.time_text.outline_color = timeoutline16;
draw_data.time_text.font = get_font_face(TIME_FONT);
draw_data.time_text.align = time_align;
}
strftime(draw_data.date_text.str, 40, date_format, timeinfo);
if (*draw_data.date_text.str) {
draw_data.date_text.show = true;
draw_data.date_text.size = date_size;
draw_data.date_text.outline_width = dateoutlinewidth;
draw_data.date_text.color = date16;
draw_data.date_text.outline_color = dateoutline16;
draw_data.date_text.font = get_font_face(DATE_FONT);
draw_data.date_text.align = date_align;
}
if (*draw_data.greeter_text.str) {
draw_data.greeter_text.show = true;
draw_data.greeter_text.size = greeter_size;
draw_data.greeter_text.outline_width = greeteroutlinewidth;
draw_data.greeter_text.color = greeter16;
draw_data.greeter_text.outline_color = greeteroutline16;
draw_data.greeter_text.font = get_font_face(GREETER_FONT);
draw_data.greeter_text.align = greeter_align;
}
}
// initialize positioning vars
double screen_x = 0, screen_y = 0,
width = 0, height = 0;
double radius = (circle_radius + ring_width);
DEBUG("scaling_factor is %f, physical diameter is %d px\n",
scaling_factor, button_diameter_physical);
// variable mapping for evaluating the clock position expression
const unsigned int vars_size = 14;
te_variable vars[] =
{{"w", &width},
{"h", &height},
{"x", &screen_x},
{"y", &screen_y},
{"ix", &draw_data.indicator_x},
{"iy", &draw_data.indicator_y},
{"tx", &draw_data.time_text.x},
{"ty", &draw_data.time_text.y},
{"dx", &draw_data.date_text.x},
{"dy", &draw_data.date_text.y},
{"bw", &draw_data.bar_width},
{"bx", &draw_data.bar_x},
{"by", &draw_data.bar_y},
{"r", &radius}};
te_expr *te_ind_x_expr = compile_expression("--indpos", ind_x_expr, vars, vars_size);
te_expr *te_ind_y_expr = compile_expression("--indpos", ind_y_expr, vars, vars_size);
te_expr *te_time_x_expr = compile_expression("--timepos", time_x_expr, vars, vars_size);
te_expr *te_time_y_expr = compile_expression("--timepos", time_y_expr, vars, vars_size);
te_expr *te_date_x_expr = compile_expression("--datepos", date_x_expr, vars, vars_size);
te_expr *te_date_y_expr = compile_expression("--datepos", date_y_expr, vars, vars_size);
te_expr *te_layout_x_expr = compile_expression("--layoutpos", layout_x_expr, vars, vars_size);
te_expr *te_layout_y_expr = compile_expression("--layoutpos", layout_y_expr, vars, vars_size);
te_expr *te_status_x_expr = compile_expression("--statuspos", status_x_expr, vars, vars_size);
te_expr *te_status_y_expr = compile_expression("--statuspos", status_y_expr, vars, vars_size);
te_expr *te_verif_x_expr = compile_expression("--verifpos", verif_x_expr, vars, vars_size);
te_expr *te_verif_y_expr = compile_expression("--verifpos", verif_y_expr, vars, vars_size);
te_expr *te_wrong_x_expr = compile_expression("--wrongpos", wrong_x_expr, vars, vars_size);
te_expr *te_wrong_y_expr = compile_expression("--wrongpos", wrong_y_expr, vars, vars_size);
te_expr *te_modif_x_expr = compile_expression("--modifpos", modif_x_expr, vars, vars_size);
te_expr *te_modif_y_expr = compile_expression("--modifpos", modif_y_expr, vars, vars_size);
te_expr *te_bar_x_expr = compile_expression("--bar-position", bar_x_expr, vars, vars_size);
te_expr *te_bar_y_expr = strlen(bar_y_expr) ? compile_expression("--bar-position", bar_y_expr, vars, vars_size) : NULL;
te_expr *te_bar_width_expr = strlen(bar_width_expr) ? compile_expression("--bar-width", bar_width_expr, vars, vars_size) : NULL;
te_expr *te_greeter_x_expr = compile_expression("--greeterpos", greeter_x_expr, vars, vars_size);
te_expr *te_greeter_y_expr = compile_expression("--greeterpos", greeter_y_expr, vars, vars_size);
if (xr_screens > 0) {
if (screen_number < 0 || screen_number > xr_screens) {
screen_number = 0;
}
DEBUG("Drawing indicator on %d screens\n", screen_number);
int current_screen = screen_number == 0 ? 0 : screen_number - 1;
const int end_screen = screen_number == 0 ? xr_screens : screen_number;
for (; current_screen < end_screen; current_screen++) {
draw_data.indicator_x = 0;
draw_data.indicator_y = 0;
draw_data.time_text.x = 0;
draw_data.time_text.y = 0;
draw_data.date_text.x = 0;
draw_data.date_text.y = 0;
draw_data.greeter_text.x = 0;
draw_data.greeter_text.y = 0;
width = xr_resolutions[current_screen].width / scaling_factor;
height = xr_resolutions[current_screen].height / scaling_factor;
screen_x = xr_resolutions[current_screen].x / scaling_factor;
screen_y = xr_resolutions[current_screen].y / scaling_factor;
draw_data.screen_x = screen_x;
draw_data.screen_y = screen_y;
draw_data.indicator_x = te_eval(te_ind_x_expr);
draw_data.indicator_y = te_eval(te_ind_y_expr);
draw_data.time_text.x = te_eval(te_time_x_expr);
draw_data.time_text.y = te_eval(te_time_y_expr);
draw_data.date_text.x = te_eval(te_date_x_expr);
draw_data.date_text.y = te_eval(te_date_y_expr);
draw_data.keylayout_text.x = te_eval(te_layout_x_expr);
draw_data.keylayout_text.y = te_eval(te_layout_y_expr);
draw_data.greeter_text.x = te_eval(te_greeter_x_expr);
draw_data.greeter_text.y = te_eval(te_greeter_y_expr);
switch (auth_state) {
case STATE_AUTH_VERIFY:
case STATE_AUTH_LOCK:
draw_data.status_text.x = te_eval(te_verif_x_expr);
draw_data.status_text.y = te_eval(te_verif_y_expr);
break;
case STATE_AUTH_WRONG:
case STATE_I3LOCK_LOCK_FAILED:
draw_data.status_text.x = te_eval(te_wrong_x_expr);
draw_data.status_text.y = te_eval(te_wrong_y_expr);
break;
default:
draw_data.status_text.x = te_eval(te_status_x_expr);
draw_data.status_text.y = te_eval(te_status_y_expr);
break;
}
draw_data.mod_text.x = te_eval(te_modif_x_expr);
draw_data.mod_text.y = te_eval(te_modif_y_expr);
if (te_bar_y_expr) {
draw_data.bar_x = te_eval(te_bar_x_expr);
draw_data.bar_y = te_eval(te_bar_y_expr);
} else {
double bar_offset = te_eval(te_bar_x_expr);
if (bar_orientation == BAR_VERT) {
draw_data.bar_x = bar_offset;
draw_data.bar_y = screen_y;
} else {
draw_data.bar_x = screen_x;
draw_data.bar_y = bar_offset;
}
}
if (te_bar_width_expr)
draw_data.bar_width = te_eval(te_bar_width_expr);
else if (bar_orientation == BAR_VERT)
draw_data.bar_width = height;
else
draw_data.bar_width = width;
DEBUG("Indicator at %fx%f on screen %d\n", draw_data.indicator_x, draw_data.indicator_y, current_screen + 1);
DEBUG("Bar at %fx%f with width %f on screen %d\n", draw_data.bar_x, draw_data.bar_y, draw_data.bar_width, current_screen + 1);
DEBUG("Time at %fx%f on screen %d\n", draw_data.time_text.x, draw_data.time_text.y, current_screen + 1);
DEBUG("Date at %fx%f on screen %d\n", draw_data.date_text.x, draw_data.date_text.y, current_screen + 1);
DEBUG("Layout at %fx%f on screen %d\n", draw_data.keylayout_text.x, draw_data.keylayout_text.y, current_screen + 1);
DEBUG("Status at %fx%f on screen %d\n", draw_data.status_text.x, draw_data.status_text.y, current_screen + 1);
DEBUG("Mod at %fx%f on screen %d\n", draw_data.mod_text.x, draw_data.mod_text.y, current_screen + 1);
// scale_draw_data(&draw_data, scaling_factor);
draw_elements(ctx, &draw_data);
}
} else {
/* We have no information about the screen sizes/positions, so we just
* place the unlock indicator in the middle of the X root window and
* hope for the best. */
width = last_resolution[0] / scaling_factor;
height = last_resolution[1] / scaling_factor;
draw_data.screen_x = 0;
draw_data.screen_y = 0;
draw_data.indicator_x = width / 2;
draw_data.indicator_y = height / 2;
draw_data.time_text.x = te_eval(te_time_x_expr);
draw_data.time_text.y = te_eval(te_time_y_expr);
draw_data.date_text.x = te_eval(te_date_x_expr);
draw_data.date_text.y = te_eval(te_date_y_expr);
draw_data.keylayout_text.x = te_eval(te_layout_x_expr);
draw_data.keylayout_text.y = te_eval(te_layout_y_expr);
draw_data.greeter_text.x = te_eval(te_greeter_x_expr);
draw_data.greeter_text.y = te_eval(te_greeter_y_expr);
switch (auth_state) {
case STATE_AUTH_VERIFY:
case STATE_AUTH_LOCK:
draw_data.status_text.x = te_eval(te_verif_x_expr);
draw_data.status_text.y = te_eval(te_verif_y_expr);
break;
case STATE_AUTH_WRONG:
case STATE_I3LOCK_LOCK_FAILED:
draw_data.status_text.x = te_eval(te_wrong_x_expr);
draw_data.status_text.y = te_eval(te_wrong_y_expr);
break;
default:
draw_data.status_text.x = te_eval(te_status_x_expr);
draw_data.status_text.y = te_eval(te_status_y_expr);
break;
}
draw_data.mod_text.x = te_eval(te_modif_x_expr);
draw_data.mod_text.y = te_eval(te_modif_y_expr);
if (te_bar_y_expr) {
draw_data.bar_x = te_eval(te_bar_x_expr);
draw_data.bar_y = te_eval(te_bar_y_expr);
} else {
double bar_offset = te_eval(te_bar_x_expr);
if (bar_orientation == BAR_VERT) {
draw_data.bar_x = bar_offset;
draw_data.bar_y = screen_y;
} else {
draw_data.bar_x = screen_x;
draw_data.bar_y = bar_offset;
}
}
if (te_bar_width_expr)
draw_data.bar_width = te_eval(te_bar_width_expr);
else if (bar_orientation == BAR_VERT)
draw_data.bar_width = height;
else
draw_data.bar_width = width;
DEBUG("Indicator at %fx%f\n", draw_data.indicator_x, draw_data.indicator_y);
DEBUG("Bar at %fx%f with width %f\n", draw_data.bar_x, draw_data.bar_y, draw_data.bar_width);
DEBUG("Time at %fx%f\n", draw_data.time_text.x, draw_data.time_text.y);
DEBUG("Date at %fx%f\n", draw_data.date_text.x, draw_data.date_text.y);
DEBUG("Layout at %fx%f\n", draw_data.keylayout_text.x, draw_data.keylayout_text.y);
DEBUG("Status at %fx%f\n", draw_data.status_text.x, draw_data.status_text.y);
DEBUG("Mod at %fx%f\n", draw_data.mod_text.x, draw_data.mod_text.y);
draw_elements(ctx, &draw_data);
}
te_free(te_ind_x_expr);
te_free(te_ind_y_expr);
te_free(te_time_x_expr);
te_free(te_time_y_expr);
te_free(te_date_x_expr);
te_free(te_date_y_expr);
te_free(te_layout_x_expr);
te_free(te_layout_y_expr);
te_free(te_status_x_expr);
te_free(te_status_y_expr);
te_free(te_verif_x_expr);
te_free(te_verif_y_expr);
te_free(te_wrong_x_expr);
te_free(te_wrong_y_expr);
te_free(te_modif_x_expr);
te_free(te_modif_y_expr);
te_free(te_bar_x_expr);
te_free(te_bar_y_expr);
te_free(te_bar_width_expr);
te_free(te_greeter_x_expr);
te_free(te_greeter_y_expr);
cairo_set_source_surface(xcb_ctx, output, 0, 0);
cairo_rectangle(xcb_ctx, 0, 0, resolution[0], resolution[1]);
cairo_fill(xcb_ctx);
cairo_surface_destroy(xcb_output);
cairo_surface_destroy(output);
cairo_destroy(ctx);
cairo_destroy(xcb_ctx);
}
/**
* Draws the configured image on the provided context. The image is drawn centered on all monitors, tiled, or just
* painted starting from 0,0. It is also scaled if bg_type is FILL, MAX, or SCALE.
*/
void draw_image(uint32_t* root_resolution, cairo_surface_t *img, cairo_t* xcb_ctx) {
if (bg_type == NONE) {
// Don't do any image manipulation
cairo_set_source_surface(xcb_ctx, img, 0, 0);
cairo_paint(xcb_ctx);
return;
}
cairo_pattern_t *pattern = cairo_pattern_create_for_surface(img);
cairo_pattern_set_extend(pattern, bg_type == TILE ? CAIRO_EXTEND_REPEAT : CAIRO_EXTEND_NONE);
cairo_set_source(xcb_ctx, pattern);
double image_width = cairo_image_surface_get_width(img);
double image_height = cairo_image_surface_get_height(img);
for (int i = 0; i < xr_screens; i++) {
// Find out scaling factors using bg_type and aspect ratios
double scale_x = 1, scale_y = 1;
if (bg_type == SCALE) {
scale_x = xr_resolutions[i].width / image_width;
scale_y = xr_resolutions[i].height / image_height;
} else if (bg_type == MAX || bg_type == FILL) {
double aspect_diff = (double) xr_resolutions[i].height / xr_resolutions[i].width - image_height / image_width;
if((bg_type == MAX && aspect_diff >= 0) || (bg_type == FILL && aspect_diff <= 0)) {
scale_x = scale_y = xr_resolutions[i].width / image_width;
} else if ((bg_type == MAX && aspect_diff < 0) || (bg_type == FILL && aspect_diff > 0)) {
scale_x = scale_y = xr_resolutions[i].height / image_height;
}
}
// Scale and translate the pattern
cairo_matrix_t matrix;
cairo_matrix_init_scale(&matrix, 1/scale_x, 1/scale_y);
if (bg_type == TILE) {
// Start image from top-left corner
cairo_matrix_translate(&matrix, -xr_resolutions[i].x, -xr_resolutions[i].y);
} else {
// Draw image in the center of the screen
cairo_matrix_translate(&matrix,
(image_width * scale_x - xr_resolutions[i].width ) / 2 - xr_resolutions[i].x,
(image_height * scale_y - xr_resolutions[i].height) / 2 - xr_resolutions[i].y);
}
cairo_pattern_set_matrix(pattern, &matrix);
// Draw to screen
cairo_rectangle(xcb_ctx, xr_resolutions[i].x, xr_resolutions[i].y, xr_resolutions[i].width, xr_resolutions[i].height);
cairo_fill(xcb_ctx);
}
cairo_pattern_destroy(pattern);
}
/*
* Calls render_lock on a new pixmap and swaps that with the current pixmap
*
*/
void redraw_screen(void) {
DEBUG("redraw_screen(unlock_state = %d, auth_state = %d) @ [%lu]\n", unlock_state, auth_state, (unsigned long)time(NULL));
xcb_pixmap_t pixmap = create_bg_pixmap(conn, win, last_resolution, color);
render_lock(last_resolution, pixmap);
xcb_change_window_attributes(conn, win, XCB_CW_BACK_PIXMAP, (uint32_t[1]){pixmap});
xcb_clear_area(conn, 0, win, 0, 0, last_resolution[0], last_resolution[1]);
xcb_free_pixmap(conn, pixmap);
xcb_flush(conn);
}
/*
* Hides the unlock indicator completely when there is no content in the
* password buffer.
*
*/
void clear_indicator(void) {
if (input_position == 0) {
unlock_state = STATE_STARTED;
} else
unlock_state = STATE_KEY_PRESSED;
redraw_screen();
}
void *start_time_redraw_tick_pthread(void *arg) {
struct timespec *ts = (struct timespec *)arg;
while (1) {
nanosleep(ts, NULL);
redraw_screen();
}
return NULL;
}
static void time_redraw_cb(struct ev_loop *loop, ev_periodic *w, int revents) {
redraw_screen();
}
void start_time_redraw_tick(struct ev_loop *main_loop) {
if (time_redraw_tick) {
ev_periodic_set(time_redraw_tick, 0., refresh_rate, 0);
ev_periodic_again(main_loop, time_redraw_tick);
} else {
if (!(time_redraw_tick = calloc(sizeof(struct ev_periodic), 1))) {
return;
}
ev_periodic_init(time_redraw_tick, time_redraw_cb, 0., refresh_rate, 0);
ev_periodic_start(main_loop, time_redraw_tick);
}
}
View Git Blame Copy Permalink