Initial swaylock port

common/background-image.c

@@ -4,6 +4,24 @@
 #include "background-image.h"
 #include "cairo.h"
 
+enum background_mode parse_background_mode(const char *mode) {
+	if (strcmp(mode, "stretch") == 0) {
+		return BACKGROUND_MODE_STRETCH;
+	} else if (strcmp(mode, "fill") == 0) {
+		return BACKGROUND_MODE_FILL;
+	} else if (strcmp(mode, "fit") == 0) {
+		return BACKGROUND_MODE_FIT;
+	} else if (strcmp(mode, "center") == 0) {
+		return BACKGROUND_MODE_CENTER;
+	} else if (strcmp(mode, "tile") == 0) {
+		return BACKGROUND_MODE_TILE;
+	} else if (strcmp(mode, "solid_color") == 0) {
+		return BACKGROUND_MODE_SOLID_COLOR;
+	}
+	wlr_log(L_ERROR, "Unsupported background mode: %s", mode);
+	return BACKGROUND_MODE_INVALID;
+}
+
 cairo_surface_t *load_background_image(const char *path) {
 	cairo_surface_t *image;
 #ifdef HAVE_GDK_PIXBUF
@@ -35,8 +53,7 @@ cairo_surface_t *load_background_image(const char *path) {
 }
 
 void render_background_image(cairo_t *cairo, cairo_surface_t *image,
-		enum background_mode mode, int buffer_width, int buffer_height,
+		enum background_mode mode, int buffer_width, int buffer_height) {
-		int buffer_scale) {
 	double width = cairo_image_surface_get_width(image);
 	double height = cairo_image_surface_get_height(image);
 
@@ -93,6 +110,7 @@ void render_background_image(cairo_t *cairo, cairo_surface_t *image,
 		break;
 	}
 	case BACKGROUND_MODE_SOLID_COLOR:
+	case BACKGROUND_MODE_INVALID:
 		assert(0);
 		break;
 	}

include/background-image.h

@@ -9,11 +9,12 @@ enum background_mode {
 	BACKGROUND_MODE_CENTER,
 	BACKGROUND_MODE_TILE,
 	BACKGROUND_MODE_SOLID_COLOR,
+	BACKGROUND_MODE_INVALID,
 };
 
+enum background_mode parse_background_mode(const char *mode);
 cairo_surface_t *load_background_image(const char *path);
 void render_background_image(cairo_t *cairo, cairo_surface_t *image,
-		enum background_mode mode, int buffer_width, int buffer_height,
+		enum background_mode mode, int buffer_width, int buffer_height);
-		int buffer_scale);
 
 #endif

meson.build

@@ -35,6 +35,7 @@ gdk_pixbuf     = dependency('gdk-pixbuf-2.0', required: false)
 pixman         = dependency('pixman-1')
 libcap         = dependency('libcap')
 libinput       = dependency('libinput')
+libpam         = cc.find_library('libpam')
 math           = cc.find_library('m')
 rt             = cc.find_library('rt')
 git = find_program('git', required: false)
@@ -105,6 +106,7 @@ subdir('swaymsg')
 subdir('client')
 subdir('swaybg')
 subdir('swaybar')
+subdir('swaylock')
 
 config = configuration_data()
 config.set('sysconfdir', join_paths(prefix, sysconfdir))

swaybg/main.c

@@ -64,15 +64,17 @@ bool is_valid_color(const char *color) {
 }
 
 static void render_frame(struct swaybg_state *state) {
-	state->current_buffer = get_next_buffer(state->shm, state->buffers,
+	int buffer_width = state->width * state->scale,
-		state->width * state->scale, state->height * state->scale);
+		buffer_height = state->height * state->scale;
+	state->current_buffer = get_next_buffer(state->shm,
+			state->buffers, buffer_width, buffer_height);
 	cairo_t *cairo = state->current_buffer->cairo;
 	if (state->args->mode == BACKGROUND_MODE_SOLID_COLOR) {
 		cairo_set_source_u32(cairo, state->context.color);
 		cairo_paint(cairo);
 	} else {
 		render_background_image(cairo, state->context.image,
-				state->args->mode, state->width, state->height, state->scale);
+				state->args->mode, buffer_width, buffer_height);
 	}
 
 	wl_surface_set_buffer_scale(state->surface, state->scale);
@@ -193,24 +195,10 @@ int main(int argc, const char **argv) {
 	args.output_idx = atoi(argv[1]);
 	args.path = argv[2];
 
-	args.mode = BACKGROUND_MODE_STRETCH;
+	args.mode = parse_background_mode(argv[3]);
-	if (strcmp(argv[3], "stretch") == 0) {
+	if (args.mode == BACKGROUND_MODE_INVALID) {
-		args.mode = BACKGROUND_MODE_STRETCH;
-	} else if (strcmp(argv[3], "fill") == 0) {
-		args.mode = BACKGROUND_MODE_FILL;
-	} else if (strcmp(argv[3], "fit") == 0) {
-		args.mode = BACKGROUND_MODE_FIT;
-	} else if (strcmp(argv[3], "center") == 0) {
-		args.mode = BACKGROUND_MODE_CENTER;
-	} else if (strcmp(argv[3], "tile") == 0) {
-		args.mode = BACKGROUND_MODE_TILE;
-	} else if (strcmp(argv[3], "solid_color") == 0) {
-		args.mode = BACKGROUND_MODE_SOLID_COLOR;
-	} else {
-		wlr_log(L_ERROR, "Unsupported background mode: %s", argv[3]);
 		return 1;
 	}
-
 	if (!prepare_context(&state)) {
 		return 1;
 	}
@@ -244,10 +232,10 @@ int main(int argc, const char **argv) {
 	zwlr_layer_surface_v1_set_exclusive_zone(state.layer_surface, -1);
 	zwlr_layer_surface_v1_add_listener(state.layer_surface,
 			&layer_surface_listener, &state);
-	state.run_display = true;
 	wl_surface_commit(state.surface);
 	wl_display_roundtrip(state.display);
 
+	state.run_display = true;
 	while (wl_display_dispatch(state.display) != -1 && state.run_display) {
 		// This space intentionally left blank
 	}

swaylock/meson.build

@@ -0,0 +1,18 @@
+executable(
+	'swaylock',
+	'main.c',
+	include_directories: [sway_inc],
+	dependencies: [
+		cairo,
+		client_protos,
+		gdk_pixbuf,
+		libpam,
+		math,
+		pango,
+		pangocairo,
+		wayland_client,
+		wlroots,
+	],
+	link_with: [lib_sway_common, lib_sway_client],
+	install: true
+)