config: Apply output config also during config reload.

include/config.h

@@ -6,6 +6,7 @@
 #include <xkbcommon/xkbcommon.h>
 #include "list.h"
 #include "layout.h"
+#include "container.h"
 
 struct sway_variable {
 	char *name;
@@ -62,6 +63,8 @@ struct sway_config {
 bool load_config(const char *file);
 bool read_config(FILE *file, bool is_active);
 char *do_var_replacement(char *str);
+// Setup output container by applying given config
+void apply_output_config(struct output_config *oc, swayc_t *output);
 
 extern struct sway_config *config;
 

sway/commands.c

@@ -622,6 +622,20 @@ static enum cmd_status cmd_output(int argc, char **argv) {
 	sway_log(L_DEBUG, "Config stored for output %s (%d x %d @ %d, %d)",
 			output->name, output->width, output->height, output->x, output->y);
 
+	if (output->name) {
+		// Try to find the output container and apply configuration now. If
+		// this is during startup then there will be no container and config
+		// will be applied during normal "new output" event from wlc.
+		swayc_t *cont = NULL;
+		for (int i = 0; i < root_container.children->length; ++i) {
+			cont = root_container.children->items[i];
+			if (cont->name && strcmp(cont->name, output->name) == 0) {
+				apply_output_config(output, cont);
+				break;
+			}
+		}
+	}
+
 	return CMD_SUCCESS;
 }
 

sway/config.c

@@ -283,6 +283,35 @@ bool read_config(FILE *file, bool is_active) {
 	return success;
 }
 
+void apply_output_config(struct output_config *oc, swayc_t *output) {
+	if (oc && oc->width != -1 && oc->height != -1) {
+		output->width = oc->width;
+		output->height = oc->height;
+
+		sway_log(L_DEBUG, "Set %s size to %ix%i", oc->name, oc->width, oc->height);
+		struct wlc_size new_size = { .w = oc->width, .h = oc->height };
+		wlc_output_set_resolution(output->handle, &new_size);
+	}
+
+	// Find position for it
+	if (oc && oc->x != -1 && oc->y != -1) {
+		sway_log(L_DEBUG, "Set %s position to %d, %d", oc->name, oc->x, oc->y);
+		output->x = oc->x;
+		output->y = oc->y;
+	} else {
+		int x = 0;
+		for (int i = 0; i < root_container.children->length; ++i) {
+			swayc_t *c = root_container.children->items[i];
+			if (c->type == C_OUTPUT) {
+				if (c->width + c->x > x) {
+					x = c->width + c->x;
+				}
+			}
+		}
+		output->x = x;
+	}
+}
+
 char *do_var_replacement(char *str) {
 	int i;
 	char *find = str;

sway/container.c

@@ -88,36 +88,12 @@ swayc_t *new_output(wlc_handle handle) {
 	}
 
 	swayc_t *output = new_swayc(C_OUTPUT);
-	if (oc && oc->width != -1 && oc->height != -1) {
-		output->width = oc->width;
-		output->height = oc->height;
-		struct wlc_size new_size = { .w = oc->width, .h = oc->height };
-		wlc_output_set_resolution(handle, &new_size);
-	} else {
-		output->width = size->w;
-		output->height = size->h;
-	}
 	output->handle = handle;
 	output->name = name ? strdup(name) : NULL;
+	output->width = size->w;
+	output->height = size->h;
 
-	// Find position for it
-	if (oc && oc->x != -1 && oc->y != -1) {
-		sway_log(L_DEBUG, "Set %s position to %d, %d", name, oc->x, oc->y);
-		output->x = oc->x;
-		output->y = oc->y;
-	} else {
-		int x = 0;
-		for (i = 0; i < root_container.children->length; ++i) {
-			swayc_t *c = root_container.children->items[i];
-			if (c->type == C_OUTPUT) {
-				if (c->width + c->x > x) {
-					x = c->width + c->x;
-				}
-			}
-		}
-		output->x = x;
-	}
-
+	apply_output_config(oc, output);
 	add_child(&root_container, output);
 
 	// Create workspace