Merge branch 'wlroots'

1 files changed, 213 insertions, 0 deletions

diff --git a/sway/config/output.c b/sway/config/output.c
new file mode 100644
index 00000000..1c298d37
--- /dev/null
+++ b/sway/config/output.c
@@ -0,0 +1,213 @@
+#define _XOPEN_SOURCE 700
+#include <assert.h>
+#include <stdbool.h>
+#include <string.h>
+#include <signal.h>
+#include <sys/wait.h>
+#include <unistd.h>
+#include <wlr/types/wlr_output.h>
+#include <wlr/types/wlr_output_layout.h>
+#include "sway/config.h"
+#include "sway/output.h"
+#include "log.h"
+
+int output_name_cmp(const void *item, const void *data) {
+	const struct output_config *output = item;
+	const char *name = data;
+
+	return strcmp(output->name, name);
+}
+
+void output_get_identifier(char *identifier, size_t len,
+		struct sway_output *output) {
+	struct wlr_output *wlr_output = output->wlr_output;
+	snprintf(identifier, len, "%s %s %s", wlr_output->make, wlr_output->model,
+		wlr_output->serial);
+}
+
+struct output_config *new_output_config(const char *name) {
+	struct output_config *oc = calloc(1, sizeof(struct output_config));
+	if (oc == NULL) {
+		return NULL;
+	}
+	oc->name = strdup(name);
+	if (oc->name == NULL) {
+		free(oc);
+		return NULL;
+	}
+	oc->enabled = -1;
+	oc->width = oc->height = -1;
+	oc->refresh_rate = -1;
+	oc->x = oc->y = -1;
+	oc->scale = -1;
+	oc->transform = -1;
+	return oc;
+}
+
+void merge_output_config(struct output_config *dst, struct output_config *src) {
+	if (src->name) {
+		free(dst->name);
+		dst->name = strdup(src->name);
+	}
+	if (src->enabled != -1) {
+		dst->enabled = src->enabled;
+	}
+	if (src->width != -1) {
+		dst->width = src->width;
+	}
+	if (src->height != -1) {
+		dst->height = src->height;
+	}
+	if (src->x != -1) {
+		dst->x = src->x;
+	}
+	if (src->y != -1) {
+		dst->y = src->y;
+	}
+	if (src->scale != -1) {
+		dst->scale = src->scale;
+	}
+	if (src->refresh_rate != -1) {
+		dst->refresh_rate = src->refresh_rate;
+	}
+	if (src->transform != -1) {
+		dst->transform = src->transform;
+	}
+	if (src->background) {
+		free(dst->background);
+		dst->background = strdup(src->background);
+	}
+	if (src->background_option) {
+		free(dst->background_option);
+		dst->background_option = strdup(src->background_option);
+	}
+}
+
+static void set_mode(struct wlr_output *output, int width, int height,
+		float refresh_rate) {
+	int mhz = (int)(refresh_rate * 1000);
+	if (wl_list_empty(&output->modes)) {
+		wlr_log(L_DEBUG, "Assigning custom mode to %s", output->name);
+		wlr_output_set_custom_mode(output, width, height, mhz);
+		return;
+	}
+
+	struct wlr_output_mode *mode, *best = NULL;
+	wl_list_for_each(mode, &output->modes, link) {
+		if (mode->width == width && mode->height == height) {
+			if (mode->refresh == mhz) {
+				best = mode;
+				break;
+			}
+			best = mode;
+		}
+	}
+	if (!best) {
+		wlr_log(L_ERROR, "Configured mode for %s not available", output->name);
+	} else {
+		wlr_log(L_DEBUG, "Assigning configured mode to %s", output->name);
+		wlr_output_set_mode(output, best);
+	}
+}
+
+void terminate_swaybg(pid_t pid) {
+	int ret = kill(pid, SIGTERM);
+	if (ret != 0) {
+		wlr_log(L_ERROR, "Unable to terminate swaybg [pid: %d]", pid);
+	} else {
+		int status;
+		waitpid(pid, &status, 0);
+	}
+}
+
+void apply_output_config(struct output_config *oc, struct sway_container *output) {
+	assert(output->type == C_OUTPUT);
+
+	struct wlr_output_layout *output_layout =
+		root_container.sway_root->output_layout;
+	struct wlr_output *wlr_output = output->sway_output->wlr_output;
+
+	if (oc && oc->enabled == 0) {
+		container_destroy(output);
+		wlr_output_layout_remove(root_container.sway_root->output_layout,
+			wlr_output);
+		return;
+	}
+
+	if (oc && oc->width > 0 && oc->height > 0) {
+		wlr_log(L_DEBUG, "Set %s mode to %dx%d (%f GHz)", oc->name, oc->width,
+			oc->height, oc->refresh_rate);
+		set_mode(wlr_output, oc->width, oc->height, oc->refresh_rate);
+	}
+	if (oc && oc->scale > 0) {
+		wlr_log(L_DEBUG, "Set %s scale to %f", oc->name, oc->scale);
+		wlr_output_set_scale(wlr_output, oc->scale);
+	}
+	if (oc && oc->transform >= 0) {
+		wlr_log(L_DEBUG, "Set %s transform to %d", oc->name, oc->transform);
+		wlr_output_set_transform(wlr_output, oc->transform);
+	}
+
+	// Find position for it
+	if (oc && (oc->x != -1 || oc->y != -1)) {
+		wlr_log(L_DEBUG, "Set %s position to %d, %d", oc->name, oc->x, oc->y);
+		wlr_output_layout_add(output_layout, wlr_output, oc->x, oc->y);
+	} else {
+		wlr_output_layout_add_auto(output_layout, wlr_output);
+	}
+
+	if (!oc || !oc->background) {
+		// Look for a * config for background
+		int i = list_seq_find(config->output_configs, output_name_cmp, "*");
+		if (i >= 0) {
+			oc = config->output_configs->items[i];
+		} else {
+			oc = NULL;
+		}
+	}
+
+	int output_i;
+	for (output_i = 0; output_i < root_container.children->length; ++output_i) {
+		if (root_container.children->items[output_i] == output) {
+			break;
+		}
+	}
+
+	if (oc && oc->background) {
+		if (output->sway_output->bg_pid != 0) {
+			terminate_swaybg(output->sway_output->bg_pid);
+		}
+
+		wlr_log(L_DEBUG, "Setting background for output %d to %s",
+				output_i, oc->background);
+
+		size_t len = snprintf(NULL, 0, "%s %d %s %s",
+				config->swaybg_command ? config->swaybg_command : "swaybg",
+				output_i, oc->background, oc->background_option);
+		char *command = malloc(len + 1);
+		if (!command) {
+			wlr_log(L_DEBUG, "Unable to allocate swaybg command");
+			return;
+		}
+		snprintf(command, len + 1, "%s %d %s %s",
+				config->swaybg_command ? config->swaybg_command : "swaybg",
+				output_i, oc->background, oc->background_option);
+		wlr_log(L_DEBUG, "-> %s", command);
+
+		char *const cmd[] = { "sh", "-c", command, NULL };
+		output->sway_output->bg_pid = fork();
+		if (output->sway_output->bg_pid == 0) {
+			execvp(cmd[0], cmd);
+		}
+	}
+}
+
+void free_output_config(struct output_config *oc) {
+	if (!oc) {
+		return;
+	}
+	free(oc->name);
+	free(oc->background);
+	free(oc->background_option);
+	free(oc);
+}