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i3lock-color
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Added option to display the provided image centered on all monitors

This commit is contained in:
Benoît Dardenne 2020-04-18 12:37:41 +02:00
parent b386a984e5
commit 8bb468697c
3 changed files with 67 additions and 15 deletions
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26
i3lock.c
View File

@ -229,6 +229,7 @@ int slideshow_interval = 10;
bool slideshow_random_selection = false;
bool tile = false;
bool centered = false;
bool ignore_empty_password = false;
bool skip_repeated_empty_password = false;
bool pass_media_keys = false;
@ -1379,6 +1380,7 @@ int main(int argc, char *argv[]) {
{"image", required_argument, NULL, 'i'},
{"raw", required_argument, NULL, 998},
{"tiling", no_argument, NULL, 't'},
{"centered", no_argument, NULL, 'C'},
{"ignore-empty-password", no_argument, NULL, 'e'},
{"inactivity-timeout", required_argument, NULL, 'I'},
{"show-failed-attempts", no_argument, NULL, 'f'},
@ -1494,7 +1496,7 @@ int main(int argc, char *argv[]) {
if ((username = pw->pw_name) == NULL)
errx(EXIT_FAILURE, "pw->pw_name is NULL.");
char *optstring = "hvnbdc:p:ui:teI:frsS:kB:m";
char *optstring = "hvnbdc:p:ui:tCeI:frsS:kB:m";
char *arg = NULL;
int opt = 0;
@ -1534,8 +1536,17 @@ int main(int argc, char *argv[]) {
image_path = strdup(optarg);
break;
case 't':
if(centered) {
errx(EXIT_FAILURE, "i3lock-color: Options tiling and centered conflict.");
}
tile = true;
break;
case 'C':
if(tile) {
errx(EXIT_FAILURE, "i3lock-color: Options tiling and centered conflict.");
}
centered = true;
break;
case 'p':
if (!strcmp(optarg, "win")) {
curs_choice = CURS_WIN;
@ -2183,10 +2194,10 @@ int main(int argc, char *argv[]) {
blur_image_surface(blur_img, blur_sigma);
if (img) {
if (!tile) {
cairo_set_source_surface(ctx, img, 0, 0);
cairo_paint(ctx);
} else {
// Display image centered on all outputs.
if (centered) {
draw_on_all_outputs(ctx);
} else if (tile) {
/* create a pattern and fill a rectangle as big as the screen */
cairo_pattern_t *pattern;
pattern = cairo_pattern_create_for_surface(img);
@ -2195,9 +2206,10 @@ int main(int argc, char *argv[]) {
cairo_rectangle(ctx, 0, 0, last_resolution[0], last_resolution[1]);
cairo_fill(ctx);
cairo_pattern_destroy(pattern);
} else {
cairo_set_source_surface(ctx, img, 0, 0);
cairo_paint(ctx);
}
cairo_set_source_surface(ctx, img, 0, 0);
cairo_paint(ctx);
cairo_surface_destroy(img);
img = NULL;
}

55
unlock_indicator.c
View File

@ -13,6 +13,7 @@
#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>
@ -68,7 +69,8 @@ extern bool slideshow_random_selection;
unsigned long lastCheck;
/* Whether the image should be tiled. */
/* Whether the image should be tiled or centered. */
extern bool centered;
extern bool tile;
/* The background color to use (in hex). */
extern char color[9];
@ -671,9 +673,8 @@ static void draw_elements(cairo_t *const ctx, DrawData const *const draw_data) {
}
/*
* Draws global image with fill color onto a pixmap with the given
* resolution and returns it.
*
* Draws global image with fill color onto a provided drawable with the given
* resolution.
*/
void draw_image(uint32_t *resolution, xcb_drawable_t drawable) {
const double scaling_factor = get_dpi_value() / 96.0;
@ -719,10 +720,10 @@ void draw_image(uint32_t *resolution, xcb_drawable_t drawable) {
cairo_set_source_surface(xcb_ctx, blur_img, 0, 0);
cairo_paint(xcb_ctx);
} else { // img can no longer be non-NULL if blur_img is not null
if (!tile) {
cairo_set_source_surface(xcb_ctx, img, 0, 0);
cairo_paint(xcb_ctx);
} else {
if (centered)
draw_on_all_outputs(xcb_ctx);
}
else if (tile) {
/* create a pattern and fill a rectangle as big as the screen */
cairo_pattern_t *pattern;
pattern = cairo_pattern_create_for_surface(img);
@ -731,6 +732,9 @@ void draw_image(uint32_t *resolution, xcb_drawable_t drawable) {
cairo_rectangle(xcb_ctx, 0, 0, resolution[0], resolution[1]);
cairo_fill(xcb_ctx);
cairo_pattern_destroy(pattern);
} else {
cairo_set_source_surface(xcb_ctx, img, 0, 0);
cairo_paint(xcb_ctx);
}
}
} else {
@ -1064,6 +1068,41 @@ void draw_image(uint32_t *resolution, xcb_drawable_t drawable) {
cairo_destroy(xcb_ctx);
}
void draw_on_all_outputs(cairo_t* xcb_ctx) {
double image_width = cairo_image_surface_get_width(img);
double image_height = cairo_image_surface_get_height(img);
xcb_randr_get_screen_resources_current_reply_t *reply = xcb_randr_get_screen_resources_current_reply(
conn, xcb_randr_get_screen_resources_current(conn, screen->root), NULL);
xcb_timestamp_t timestamp = reply->config_timestamp;
int len = xcb_randr_get_screen_resources_current_outputs_length(reply);
xcb_randr_output_t *randr_outputs = xcb_randr_get_screen_resources_current_outputs(reply);
for (int i = 0; i < len; i++) {
xcb_randr_get_output_info_reply_t *output = xcb_randr_get_output_info_reply(
conn, xcb_randr_get_output_info(conn, randr_outputs[i], timestamp), NULL);
if (output == NULL)
continue;
if (output->crtc == XCB_NONE || output->connection == XCB_RANDR_CONNECTION_DISCONNECTED)
continue;
xcb_randr_get_crtc_info_cookie_t infoCookie = xcb_randr_get_crtc_info(conn, output->crtc,
timestamp);
xcb_randr_get_crtc_info_reply_t *crtc = xcb_randr_get_crtc_info_reply(conn, infoCookie, NULL);
double origin_x = crtc->x + (crtc->width / 2.0 - image_width / 2.0);
double origin_y = crtc->y + (crtc->height / 2.0 - image_height / 2.0);
cairo_set_source_surface(xcb_ctx, img, origin_x, origin_y);
cairo_paint(xcb_ctx);
free(crtc);
free(output);
}
}
/*
* Calls draw_image on a new pixmap and swaps that with the current pixmap
*

1
unlock_indicator.h
View File

@ -39,6 +39,7 @@ typedef struct {
} DrawData;
void draw_image(uint32_t* resolution, xcb_drawable_t drawable);
void draw_on_all_outputs(cairo_t* xcb_ctx);
void init_colors_once(void);
void redraw_screen(void);
void clear_indicator(void);