feat: ipc to get cursor position

mmsg/mmsg.c

@@ -42,6 +42,7 @@ static int32_t eflag;
 static int32_t kflag;
 static int32_t bflag;
 static int32_t Aflag;
+static int32_t pflag;
 
 static uint32_t occ, seltags, total_clients, urg;
 
@@ -288,6 +289,28 @@ static void dwl_ipc_output_keymode(void *data,
 	printf("keymode %s\n", keymode);
 }
 
+static void dwl_ipc_output_cursor_x(void *data,
+									 struct zdwl_ipc_output_v2 *dwl_ipc_output,
+									 int32_t x) {
+	if (!pflag)
+		return;
+	char *output_name = data;
+	if (output_name)
+		printf("%s ", output_name);
+	printf("cursor_x %d\n", x);
+}
+
+static void dwl_ipc_output_cursor_y(void *data,
+									 struct zdwl_ipc_output_v2 *dwl_ipc_output,
+									 int32_t y) {
+	if (!pflag)
+		return;
+	char *output_name = data;
+	if (output_name)
+		printf("%s ", output_name);
+	printf("cursor_y %d\n", y);
+}
+
 static void dwl_ipc_output_fullscreen(void *data,
 									  struct zdwl_ipc_output_v2 *dwl_ipc_output,
 									  uint32_t is_fullscreen) {
@@ -427,6 +450,8 @@ static const struct zdwl_ipc_output_v2_listener dwl_ipc_output_listener = {
 	.kb_layout = dwl_ipc_output_kb_layout,
 	.keymode = dwl_ipc_output_keymode,
 	.scalefactor = dwl_ipc_output_scalefactor,
+	.cursor_x = dwl_ipc_output_cursor_x,
+	.cursor_y = dwl_ipc_output_cursor_y,
 	.frame = dwl_ipc_output_frame,
 };
 
@@ -504,7 +529,7 @@ static void usage(void) {
 			"\t%s [-OTLq]\n"
 			"\t%s [-o <output>] -s [-t <tags>] [-l <layout>] [-c <tags>] [-d "
 			"<cmd>,<arg1>,<arg2>,<arg3>,<arg4>,<arg5>]\n"
-			"\t%s [-o <output>] (-g | -w) [-OotlcvmfxekbA]\n",
+			"\t%s [-o <output>] (-g | -w) [-OotlcvmfxekbAp]\n",
 			argv0, argv0, argv0);
 	exit(2);
 }
@@ -752,6 +777,12 @@ int32_t main(int32_t argc, char *argv[]) {
 			usage();
 		mode |= GET;
 		break;
+	case 'p':
+		pflag = 1;
+		if (mode == SET)
+			usage();
+		mode |= GET;
+		break;
 	default:
 		fprintf(stderr, "bad option %c\n", ARGC());
 		usage();
@@ -762,9 +793,9 @@ int32_t main(int32_t argc, char *argv[]) {
 	if (mode & GET && !output_name &&
 		!(oflag || tflag || lflag || Oflag || Tflag || Lflag || cflag ||
 		  vflag || mflag || fflag || xflag || eflag || kflag || bflag ||
-		  Aflag || dflag))
+		  Aflag || pflag || dflag))
 		oflag = tflag = lflag = cflag = vflag = mflag = fflag = xflag = eflag =
-			kflag = bflag = Aflag = 1;
+			kflag = bflag = Aflag = pflag = 1;
 
 	display = wl_display_connect(NULL);
 	if (!display)

protocols/dwl-ipc-unstable-v2.xml

@@ -248,6 +248,20 @@ I would probably just submit raphi's patchset but I don't think that would be po
       <arg name="scalefactor" type="uint" summary="scale factor of monitor."/>
     </event>
 
+    <event name="cursor_x" since="2">
+      <description summary="cursor x position">
+        Indicates the x coordinate of the cursor.
+      </description>
+      <arg name="x" type="int" summary="x coordinate of the cursor"/>
+    </event>
+
+    <event name="cursor_y" since="2">
+      <description summary="cursor y position">
+        Indicates the y coordinate of the cursor.
+      </description>
+      <arg name="y" type="int" summary="y coordinate of the cursor"/>
+    </event>
+
   </interface>
 
 </protocol>

src/ext-protocol/dwl-ipc.h

@@ -211,6 +211,18 @@ void dwl_ipc_output_printstatus_to(DwlIpcOutput *ipc_output) {
 											monitor->wlr_output->scale * 100);
 	}
 
+	if (wl_resource_get_version(ipc_output->resource) >=
+		ZDWL_IPC_OUTPUT_V2_CURSOR_X_SINCE_VERSION) {
+		zdwl_ipc_output_v2_send_cursor_x(ipc_output->resource,
+										  (int32_t)cursor->x);
+	}
+
+	if (wl_resource_get_version(ipc_output->resource) >=
+		ZDWL_IPC_OUTPUT_V2_CURSOR_Y_SINCE_VERSION) {
+		zdwl_ipc_output_v2_send_cursor_y(ipc_output->resource,
+										  (int32_t)cursor->y);
+	}
+
 	zdwl_ipc_output_v2_send_frame(ipc_output->resource);
 }