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				https://github.com/swaywm/sway.git
				synced 2025-11-03 09:01:43 -05:00 
			
		
		
		
	Merge pull request #543 from fluxchief/master
Add graphical feedback to swaylock (#526)
This commit is contained in:
		
						commit
						9a86490a38
					
				
					 2 changed files with 252 additions and 73 deletions
				
			
		
							
								
								
									
										37
									
								
								include/lock/lock.h
									
										
									
									
									
										Normal file
									
								
							
							
						
						
									
										37
									
								
								include/lock/lock.h
									
										
									
									
									
										Normal file
									
								
							| 
						 | 
				
			
			@ -0,0 +1,37 @@
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		|||
#ifndef _SWAYLOCK_H
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#define _SWAYLOCK_H
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#include "client/cairo.h"
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enum scaling_mode {
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    SCALING_MODE_STRETCH,
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    SCALING_MODE_FILL,
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    SCALING_MODE_FIT,
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    SCALING_MODE_CENTER,
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    SCALING_MODE_TILE,
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};
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enum auth_state {
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    AUTH_STATE_IDLE,
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    AUTH_STATE_INPUT,
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    AUTH_STATE_BACKSPACE,
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    AUTH_STATE_VALIDATING,
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    AUTH_STATE_INVALID,
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};
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struct render_data {
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    list_t *surfaces;
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    // Output specific images
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    cairo_surface_t **images;
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    // OR one image for all outputs:
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    cairo_surface_t *image;
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    int num_images;
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    int color_set;
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    uint32_t color;
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    enum scaling_mode scaling_mode;
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    enum auth_state auth_state;
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};
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void render(struct render_data* render_data);
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#endif
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		||||
							
								
								
									
										288
									
								
								swaylock/main.c
									
										
									
									
									
								
							
							
						
						
									
										288
									
								
								swaylock/main.c
									
										
									
									
									
								
							| 
						 | 
				
			
			@ -9,30 +9,34 @@
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		|||
#include <sys/types.h>
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#include <pwd.h>
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#include <getopt.h>
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#include <signal.h>
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#include "client/window.h"
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#include "client/registry.h"
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#include "client/cairo.h"
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#include "ipc-client.h"
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#include "log.h"
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#include "lock/lock.h"
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list_t *surfaces;
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struct registry *registry;
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struct render_data render_data;
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enum scaling_mode {
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	SCALING_MODE_STRETCH,
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	SCALING_MODE_FILL,
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	SCALING_MODE_FIT,
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	SCALING_MODE_CENTER,
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	SCALING_MODE_TILE,
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};
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void sigalarm_handler(int sig) {
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	signal(SIGALRM, SIG_IGN);
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	// Hide typing indicator
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	render_data.auth_state = AUTH_STATE_IDLE;
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	render(&render_data);
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	wl_display_flush(registry->display);
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	signal(SIGALRM, sigalarm_handler);
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}
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void sway_terminate(int exit_code) {
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	int i;
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	for (i = 0; i < surfaces->length; ++i) {
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		struct window *window = surfaces->items[i];
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	for (i = 0; i < render_data.surfaces->length; ++i) {
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		struct window *window = render_data.surfaces->items[i];
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		window_teardown(window);
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	}
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	list_free(surfaces);
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	list_free(render_data.surfaces);
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	if (registry) {
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		registry_teardown(registry);
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	}
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| 
						 | 
				
			
			@ -100,12 +104,29 @@ bool verify_password() {
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}
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void notify_key(enum wl_keyboard_key_state state, xkb_keysym_t sym, uint32_t code, uint32_t codepoint) {
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	int i;
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	int redraw_screen = 0;
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	if (state == WL_KEYBOARD_KEY_STATE_PRESSED) {
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		switch (sym) {
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		case XKB_KEY_Return:
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			render_data.auth_state = AUTH_STATE_VALIDATING;
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			render(&render_data);
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			// Make sure our render call will actually be displayed on the screen
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			wl_display_flush(registry->display);
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			// However, this is not how it should be done.
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			for (i = 0; i < registry->outputs->length; ++i) {
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				if (wl_display_dispatch(registry->display) == -1) {
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					exit(0);
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				}
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			}
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			if (verify_password()) {
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				exit(0);
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			}
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			render_data.auth_state = AUTH_STATE_INVALID;
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			redraw_screen = 1;
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			password_size = 1024;
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			password = malloc(password_size);
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			password[0] = '\0';
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| 
						 | 
				
			
			@ -115,11 +136,15 @@ void notify_key(enum wl_keyboard_key_state state, xkb_keysym_t sym, uint32_t cod
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				int i = strlen(password);
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				if (i > 0) {
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					password[i - 1] = '\0';
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					render_data.auth_state = AUTH_STATE_BACKSPACE;
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					redraw_screen = 1;
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				}
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				break;
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			}
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		default:
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			{
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				render_data.auth_state = AUTH_STATE_INPUT;
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				redraw_screen = 1;
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				int i = strlen(password);
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				if (i + 1 == password_size) {
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					password_size += 1024;
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| 
						 | 
				
			
			@ -130,6 +155,11 @@ void notify_key(enum wl_keyboard_key_state state, xkb_keysym_t sym, uint32_t cod
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				break;
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			}
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		}
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		if (redraw_screen) {
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			render(&render_data);
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			// Hide the indicator after a couple of seconds
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			alarm(5);
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		}
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	}
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}
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| 
						 | 
				
			
			@ -228,12 +258,18 @@ cairo_surface_t *load_image(char *image_path) {
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}
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int main(int argc, char **argv) {
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	char *scaling_mode_str = "fit", *socket_path = NULL;
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	int i, num_images = 0, color_set = 0;
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	uint32_t color = 0xFFFFFFFF;
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	const char *scaling_mode_str = "fit", *socket_path = NULL;
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	int i;
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	void *images;
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	render_data.num_images = 0;
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	render_data.color_set = 0;
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	render_data.color = 0xFFFFFFFF;
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	render_data.auth_state = AUTH_STATE_IDLE;
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	init_log(L_INFO);
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	// Install SIGALARM handler (for hiding the typing indicator)
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	signal(SIGALRM, sigalarm_handler);
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	static struct option long_options[] = {
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		{"help", no_argument, NULL, 'h'},
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| 
						 | 
				
			
			@ -274,38 +310,39 @@ int main(int argc, char **argv) {
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				sway_log(L_ERROR, "color must be specified in 3 or 4 byte format, e.g. ff0000 or ff0000ff");
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				exit(EXIT_FAILURE);
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			}
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			color = strtol(optarg, NULL, 16);
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			color_set = 1;
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			render_data.color = strtol(optarg, NULL, 16);
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			render_data.color_set = 1;
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			if (colorlen == 6) {
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				color <<= 8;
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				color |= 0xFF;
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				render_data.color <<= 8;
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				render_data.color |= 0xFF;
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			}
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			sway_log(L_DEBUG, "color: 0x%x", color);
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			break;
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		}
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		case 'i':
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		{
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			char *image_path = strchr(optarg, ':');
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			if (image_path == NULL) {
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				if (num_images == 0) {
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					images = load_image(optarg);
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					num_images = -1;
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				if (render_data.num_images == 0) {
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					// Provided image without output
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					render_data.image = load_image(optarg);
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					render_data.num_images = -1;
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				} else {
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					sway_log(L_ERROR, "output must be defined for all --images or no --images");
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					exit(EXIT_FAILURE);
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				}
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			} else {
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				if (num_images == 0) {
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				// Provided image for all outputs
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				if (render_data.num_images == 0) {
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					images = calloc(registry->outputs->length, sizeof(char*) * 2);
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				} else if (num_images == -1) {
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				} else if (render_data.num_images == -1) {
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					sway_log(L_ERROR, "output must be defined for all --images or no --images");
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					exit(EXIT_FAILURE);
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				}
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				image_path[0] = '\0';
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				((char**) images)[num_images * 2] = optarg;
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				((char**) images)[num_images++ * 2 + 1] = ++image_path;
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				((char**) images)[render_data.num_images * 2] = optarg;
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				((char**) images)[render_data.num_images++ * 2 + 1] = ++image_path;
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			}
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			break;
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		}
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| 
						 | 
				
			
			@ -332,17 +369,17 @@ int main(int argc, char **argv) {
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		}
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	}
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	enum scaling_mode scaling_mode = SCALING_MODE_STRETCH;
 | 
			
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	render_data.scaling_mode = SCALING_MODE_STRETCH;
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		||||
	if (strcmp(scaling_mode_str, "stretch") == 0) {
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		scaling_mode = SCALING_MODE_STRETCH;
 | 
			
		||||
		render_data.scaling_mode = SCALING_MODE_STRETCH;
 | 
			
		||||
	} else if (strcmp(scaling_mode_str, "fill") == 0) {
 | 
			
		||||
		scaling_mode = SCALING_MODE_FILL;
 | 
			
		||||
		render_data.scaling_mode = SCALING_MODE_FILL;
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		||||
	} else if (strcmp(scaling_mode_str, "fit") == 0) {
 | 
			
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		scaling_mode = SCALING_MODE_FIT;
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		render_data.scaling_mode = SCALING_MODE_FIT;
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		||||
	} else if (strcmp(scaling_mode_str, "center") == 0) {
 | 
			
		||||
		scaling_mode = SCALING_MODE_CENTER;
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		||||
		render_data.scaling_mode = SCALING_MODE_CENTER;
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		||||
	} else if (strcmp(scaling_mode_str, "tile") == 0) {
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		scaling_mode = SCALING_MODE_TILE;
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		||||
		render_data.scaling_mode = SCALING_MODE_TILE;
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		||||
	} else {
 | 
			
		||||
		sway_abort("Unsupported scaling mode: %s", scaling_mode_str);
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		||||
	}
 | 
			
		||||
| 
						 | 
				
			
			@ -350,7 +387,7 @@ int main(int argc, char **argv) {
 | 
			
		|||
	password_size = 1024;
 | 
			
		||||
	password = malloc(password_size);
 | 
			
		||||
	password[0] = '\0';
 | 
			
		||||
	surfaces = create_list();
 | 
			
		||||
	render_data.surfaces = create_list();
 | 
			
		||||
	if (!socket_path) {
 | 
			
		||||
		socket_path = get_socketpath();
 | 
			
		||||
		if (!socket_path) {
 | 
			
		||||
| 
						 | 
				
			
			@ -378,14 +415,15 @@ int main(int argc, char **argv) {
 | 
			
		|||
		if (!window) {
 | 
			
		||||
			sway_abort("Failed to create surfaces.");
 | 
			
		||||
		}
 | 
			
		||||
		list_add(surfaces, window);
 | 
			
		||||
		list_add(render_data.surfaces, window);
 | 
			
		||||
	}
 | 
			
		||||
 | 
			
		||||
	registry->input->notify = notify_key;
 | 
			
		||||
 | 
			
		||||
	if (num_images >= 1) {
 | 
			
		||||
	// Different background for the output
 | 
			
		||||
	if (render_data.num_images >= 1) {
 | 
			
		||||
		char **displays_paths = images;
 | 
			
		||||
		images = calloc(registry->outputs->length, sizeof(cairo_surface_t*));
 | 
			
		||||
		render_data.images = calloc(registry->outputs->length, sizeof(cairo_surface_t*));
 | 
			
		||||
 | 
			
		||||
		int socketfd = ipc_open_socket(socket_path);
 | 
			
		||||
		uint32_t len = 0;
 | 
			
		||||
| 
						 | 
				
			
			@ -405,7 +443,7 @@ int main(int argc, char **argv) {
 | 
			
		|||
						sway_abort("output doesn't have a name field");
 | 
			
		||||
					}
 | 
			
		||||
					if (!strcmp(displays_paths[i * 2], json_object_get_string(dsp_name))) {
 | 
			
		||||
						((cairo_surface_t**) images)[j] = load_image(displays_paths[i * 2 + 1]);
 | 
			
		||||
						render_data.images[j] = load_image(displays_paths[i * 2 + 1]);
 | 
			
		||||
						break;
 | 
			
		||||
					}
 | 
			
		||||
				}
 | 
			
		||||
| 
						 | 
				
			
			@ -417,56 +455,160 @@ int main(int argc, char **argv) {
 | 
			
		|||
		free(displays_paths);
 | 
			
		||||
	}
 | 
			
		||||
 | 
			
		||||
	for (i = 0; i < surfaces->length; ++i) {
 | 
			
		||||
		struct window *window = surfaces->items[i];
 | 
			
		||||
		if (!window_prerender(window) || !window->cairo) {
 | 
			
		||||
			continue;
 | 
			
		||||
		}
 | 
			
		||||
 | 
			
		||||
		if (num_images == 0 || color_set) {
 | 
			
		||||
			render_color(window, color);
 | 
			
		||||
		}
 | 
			
		||||
 | 
			
		||||
		if (num_images == -1) {
 | 
			
		||||
			render_image(window, images, scaling_mode);
 | 
			
		||||
		} else if (num_images >= 1) {
 | 
			
		||||
			if (((cairo_surface_t**) images)[i] != NULL) {
 | 
			
		||||
				render_image(window, ((cairo_surface_t**) images)[i], scaling_mode);
 | 
			
		||||
			}
 | 
			
		||||
		}
 | 
			
		||||
 | 
			
		||||
		window_render(window);
 | 
			
		||||
	}
 | 
			
		||||
 | 
			
		||||
	if (num_images == -1) {
 | 
			
		||||
		cairo_surface_destroy((cairo_surface_t*) images);
 | 
			
		||||
	} else if (num_images >= 1) {
 | 
			
		||||
		for (i = 0; i < registry->outputs->length; ++i) {
 | 
			
		||||
			if (((cairo_surface_t**) images)[i] != NULL) {
 | 
			
		||||
				cairo_surface_destroy(((cairo_surface_t**) images)[i]);
 | 
			
		||||
			}
 | 
			
		||||
		}
 | 
			
		||||
		free(images);
 | 
			
		||||
	}
 | 
			
		||||
 | 
			
		||||
	render(&render_data);
 | 
			
		||||
	bool locked = false;
 | 
			
		||||
	while (wl_display_dispatch(registry->display) != -1) {
 | 
			
		||||
		if (!locked) {
 | 
			
		||||
			for (i = 0; i < registry->outputs->length; ++i) {
 | 
			
		||||
				struct output_state *output = registry->outputs->items[i];
 | 
			
		||||
				struct window *window = surfaces->items[i];
 | 
			
		||||
				struct window *window = render_data.surfaces->items[i];
 | 
			
		||||
				lock_set_lock_surface(registry->swaylock, output->output, window->surface);
 | 
			
		||||
			}
 | 
			
		||||
			locked = true;
 | 
			
		||||
		}
 | 
			
		||||
	}
 | 
			
		||||
 | 
			
		||||
	for (i = 0; i < surfaces->length; ++i) {
 | 
			
		||||
		struct window *window = surfaces->items[i];
 | 
			
		||||
	// Free surfaces
 | 
			
		||||
	if (render_data.num_images == -1) {
 | 
			
		||||
		cairo_surface_destroy(render_data.image);
 | 
			
		||||
	} else if (render_data.num_images >= 1) {
 | 
			
		||||
		for (i = 0; i < registry->outputs->length; ++i) {
 | 
			
		||||
			if (render_data.images[i] != NULL) {
 | 
			
		||||
				cairo_surface_destroy(render_data.images[i]);
 | 
			
		||||
			}
 | 
			
		||||
		}
 | 
			
		||||
		free(render_data.images);
 | 
			
		||||
	}
 | 
			
		||||
 | 
			
		||||
	for (i = 0; i < render_data.surfaces->length; ++i) {
 | 
			
		||||
		struct window *window = render_data.surfaces->items[i];
 | 
			
		||||
		window_teardown(window);
 | 
			
		||||
	}
 | 
			
		||||
	list_free(surfaces);
 | 
			
		||||
	list_free(render_data.surfaces);
 | 
			
		||||
	registry_teardown(registry);
 | 
			
		||||
 | 
			
		||||
	return 0;
 | 
			
		||||
}
 | 
			
		||||
 | 
			
		||||
void render(struct render_data *render_data) {
 | 
			
		||||
	int i;
 | 
			
		||||
	for (i = 0; i < render_data->surfaces->length; ++i) {
 | 
			
		||||
		sway_log(L_DEBUG, "Render surface %d of %d", i, render_data->surfaces->length);
 | 
			
		||||
		struct window *window = render_data->surfaces->items[i];
 | 
			
		||||
		if (!window_prerender(window) || !window->cairo) {
 | 
			
		||||
			continue;
 | 
			
		||||
		}
 | 
			
		||||
 | 
			
		||||
		// Reset the transformation matrix
 | 
			
		||||
		cairo_identity_matrix(window->cairo);
 | 
			
		||||
 | 
			
		||||
		if (render_data->num_images == 0 || render_data->color_set) {
 | 
			
		||||
			render_color(window, render_data->color);
 | 
			
		||||
		}
 | 
			
		||||
 | 
			
		||||
		if (render_data->num_images == -1) {
 | 
			
		||||
			// One background for all
 | 
			
		||||
			render_image(window, render_data->image, render_data->scaling_mode);
 | 
			
		||||
		} else if (render_data->num_images >= 1) {
 | 
			
		||||
			// Different backgrounds
 | 
			
		||||
			if (render_data->images[i] != NULL) {
 | 
			
		||||
				render_image(window, render_data->images[i], render_data->scaling_mode);
 | 
			
		||||
			}
 | 
			
		||||
		}
 | 
			
		||||
 | 
			
		||||
		// Reset the transformation matrix again
 | 
			
		||||
		cairo_identity_matrix(window->cairo);
 | 
			
		||||
 | 
			
		||||
		// Draw specific values (copied from i3)
 | 
			
		||||
		const int ARC_RADIUS = 50;
 | 
			
		||||
		const int ARC_THICKNESS = 10;
 | 
			
		||||
		const float TYPE_INDICATOR_RANGE = M_PI / 3.0f;
 | 
			
		||||
		const float TYPE_INDICATOR_BORDER_THICKNESS = M_PI / 128.0f;
 | 
			
		||||
 | 
			
		||||
		// Add visual indicator
 | 
			
		||||
		if (render_data->auth_state != AUTH_STATE_IDLE) {
 | 
			
		||||
			// Draw circle
 | 
			
		||||
			cairo_set_line_width(window->cairo, ARC_THICKNESS);
 | 
			
		||||
			cairo_arc(window->cairo, window->width/2, window->height/2, ARC_RADIUS, 0, 2 * M_PI);
 | 
			
		||||
			switch (render_data->auth_state) {
 | 
			
		||||
			case AUTH_STATE_INPUT:
 | 
			
		||||
			case AUTH_STATE_BACKSPACE: {
 | 
			
		||||
				cairo_set_source_rgba(window->cairo, 0, 0, 0, 0.75);
 | 
			
		||||
				cairo_fill_preserve(window->cairo);
 | 
			
		||||
				cairo_set_source_rgb(window->cairo, 51.0 / 255, 125.0 / 255, 0);
 | 
			
		||||
				cairo_stroke(window->cairo);
 | 
			
		||||
			} break;
 | 
			
		||||
			case AUTH_STATE_VALIDATING: {
 | 
			
		||||
				cairo_set_source_rgba(window->cairo, 0, 114.0 / 255, 255.0 / 255, 0.75);
 | 
			
		||||
				cairo_fill_preserve(window->cairo);
 | 
			
		||||
				cairo_set_source_rgb(window->cairo, 51.0 / 255, 0, 250.0 / 255);
 | 
			
		||||
				cairo_stroke(window->cairo);
 | 
			
		||||
			} break;
 | 
			
		||||
			case AUTH_STATE_INVALID: {
 | 
			
		||||
				cairo_set_source_rgba(window->cairo, 250.0 / 255, 0, 0, 0.75);
 | 
			
		||||
				cairo_fill_preserve(window->cairo);
 | 
			
		||||
				cairo_set_source_rgb(window->cairo, 125.0 / 255, 51.0 / 255, 0);
 | 
			
		||||
				cairo_stroke(window->cairo);
 | 
			
		||||
			} break;
 | 
			
		||||
			default: break;
 | 
			
		||||
			}
 | 
			
		||||
 | 
			
		||||
			// Draw a message
 | 
			
		||||
			char *text = NULL;
 | 
			
		||||
			cairo_set_source_rgb(window->cairo, 0, 0, 0);
 | 
			
		||||
			cairo_set_font_size(window->cairo, ARC_RADIUS/3.0f);
 | 
			
		||||
			switch (render_data->auth_state) {
 | 
			
		||||
			case AUTH_STATE_VALIDATING:
 | 
			
		||||
				text = "verifying";
 | 
			
		||||
				break;
 | 
			
		||||
			case AUTH_STATE_INVALID:
 | 
			
		||||
				text = "wrong";
 | 
			
		||||
				break;
 | 
			
		||||
			default: break;
 | 
			
		||||
			}
 | 
			
		||||
 | 
			
		||||
			if (text) {
 | 
			
		||||
				cairo_text_extents_t extents;
 | 
			
		||||
				double x, y;
 | 
			
		||||
 | 
			
		||||
				cairo_text_extents(window->cairo, text, &extents);
 | 
			
		||||
				x = window->width/2 - ((extents.width/2) + extents.x_bearing);
 | 
			
		||||
				y = window->height/2 - ((extents.height/2) + extents.y_bearing);
 | 
			
		||||
 | 
			
		||||
				cairo_move_to(window->cairo, x, y);
 | 
			
		||||
				cairo_show_text(window->cairo, text);
 | 
			
		||||
				cairo_close_path(window->cairo);
 | 
			
		||||
				cairo_new_sub_path(window->cairo);
 | 
			
		||||
			}
 | 
			
		||||
 | 
			
		||||
			// Typing indicator: Highlight random part on keypress
 | 
			
		||||
			if (render_data->auth_state == AUTH_STATE_INPUT || render_data->auth_state == AUTH_STATE_BACKSPACE) {
 | 
			
		||||
				double highlight_start = (rand() % (int)(2 * M_PI * 100)) / 100.0;
 | 
			
		||||
				cairo_arc(window->cairo, window->width/2, window->height/2, ARC_RADIUS, highlight_start, highlight_start + TYPE_INDICATOR_RANGE);
 | 
			
		||||
				if (render_data->auth_state == AUTH_STATE_INPUT) {
 | 
			
		||||
					cairo_set_source_rgb(window->cairo, 51.0 / 255, 219.0 / 255, 0);
 | 
			
		||||
				} else {
 | 
			
		||||
					cairo_set_source_rgb(window->cairo, 219.0 / 255, 51.0 / 255, 0);
 | 
			
		||||
				}
 | 
			
		||||
				cairo_stroke(window->cairo);
 | 
			
		||||
 | 
			
		||||
				// Draw borders
 | 
			
		||||
				cairo_set_source_rgb(window->cairo, 0, 0, 0);
 | 
			
		||||
				cairo_arc(window->cairo, window->width/2, window->height/2, ARC_RADIUS, highlight_start, highlight_start + TYPE_INDICATOR_BORDER_THICKNESS);
 | 
			
		||||
				cairo_stroke(window->cairo);
 | 
			
		||||
 | 
			
		||||
				cairo_arc(window->cairo, window->width/2, window->height/2, ARC_RADIUS, highlight_start + TYPE_INDICATOR_RANGE, (highlight_start + TYPE_INDICATOR_RANGE) + TYPE_INDICATOR_BORDER_THICKNESS);
 | 
			
		||||
				cairo_stroke(window->cairo);
 | 
			
		||||
			}
 | 
			
		||||
 | 
			
		||||
			// Draw inner + outer border of the circle
 | 
			
		||||
			cairo_set_source_rgb(window->cairo, 0, 0, 0);
 | 
			
		||||
			cairo_set_line_width(window->cairo, 2.0);
 | 
			
		||||
			cairo_arc(window->cairo, window->width/2, window->height/2, ARC_RADIUS - ARC_THICKNESS/2, 0, 2*M_PI);
 | 
			
		||||
			cairo_stroke(window->cairo);
 | 
			
		||||
			cairo_arc(window->cairo, window->width/2, window->height/2, ARC_RADIUS + ARC_THICKNESS/2, 0, 2*M_PI);
 | 
			
		||||
			cairo_stroke(window->cairo);
 | 
			
		||||
		}
 | 
			
		||||
		window_render(window);
 | 
			
		||||
	}
 | 
			
		||||
}
 | 
			
		||||
| 
						 | 
				
			
			
 | 
			
		|||
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