From 00f9c9ce293d58862f53a39bcaad2718c5adbce5 Mon Sep 17 00:00:00 2001
From: Federico Angelilli <code@fedang.net>
Date: Thu, 8 Feb 2024 13:01:06 +0100
Subject: Implement tag switching action

---
 src/dwm.c | 53 +++++++++++++++++++++++++++++++++++++++++++++++++++--
 1 file changed, 51 insertions(+), 2 deletions(-)

diff --git a/src/dwm.c b/src/dwm.c
index 990f269..8a4aad5 100644
--- a/src/dwm.c
+++ b/src/dwm.c
@@ -113,6 +113,47 @@ static void ipc_subscribe(DwmIpc *dwm, const char *event)
     g_free(msg);
 }
 
+static void ipc_run_command(DwmIpc *dwm, const char *cmd, JsonNode **args)
+{
+    // {
+    //   "command": "<name>",
+    //   "args": [ ... ]
+    // }
+
+    JsonBuilder *builder = json_builder_new();
+
+    json_builder_begin_object(builder);
+
+    json_builder_set_member_name(builder, "command");
+    json_builder_add_string_value(builder, cmd);
+
+    json_builder_set_member_name(builder, "args");
+    json_builder_begin_array(builder);
+
+    while (*args != NULL) {
+        json_builder_add_value(builder, *args++);
+    }
+
+    json_builder_end_array(builder);
+    json_builder_end_object(builder);
+
+    JsonNode *root = json_builder_get_root(builder);
+
+    JsonGenerator *gen = json_generator_new();
+    json_generator_set_root(gen, root);
+
+    gsize msg_len = 0;
+    gchar *msg = json_generator_to_data(gen, &msg_len);
+
+    log_info("Sending command to dwm ipc: %s", msg);
+    ipc_send(dwm, IPC_TYPE_RUN_COMMAND, msg, msg_len);
+
+    json_node_free(root);
+    g_object_unref(gen);
+    g_object_unref(builder);
+    g_free(msg);
+}
+
 static void ipc_handle(DwmIpc *dwm, DwmIpcMessage type, char *reply, uint32_t reply_size)
 {
     GError *error = NULL;
@@ -170,6 +211,7 @@ static void ipc_handle(DwmIpc *dwm, DwmIpcMessage type, char *reply, uint32_t re
         }
     } else {
         log_debug("Ignoring dwm ipc message [type=%d]", type);
+        //log_debug("%s", reply);
     }
 
     g_object_unref (reader);
@@ -276,11 +318,18 @@ DwmIpc *dwm_create(State *state, const char *socket)
 static void change_tag_action(Button *btn)
 {
     ButtonSimple *sbtn = CAST(btn, ButtonSimple);
+    DwmIpc *dwm = sbtn->action_data;
 
     int n = sbtn->text[0] - '0';
     g_assert(n >= 1 && n <= 9);
 
-    log_debug("Toggled tag %d",n );
+    log_info("Toggled tag %d", n);
+
+    JsonNode *args[] = {
+        json_node_init_int(json_node_alloc(), 1 << (n - 1)),
+        NULL
+    };
+    ipc_run_command(dwm, "view", args);
 }
 
 void dwm_register_tags(DwmIpc *dwm, Color color, Color selected, Color text_color, Color line_color)
@@ -293,7 +342,7 @@ void dwm_register_tags(DwmIpc *dwm, Color color, Color selected, Color text_colo
         char text[] = { '1' + i, '\0' };
         dwm->tags[i] = button_simple_create(PANGO_ALIGN_LEFT, color, line_color);
         button_simple_set_text(dwm->tags[i], g_strdup(text), text_color);
-        button_simple_set_action(dwm->tags[i], change_tag_action, dwm->state);
+        button_simple_set_action(dwm->tags[i], change_tag_action, dwm);
         state_add_button(dwm->state, dwm->tags[i]);
     }
 }
-- 
cgit v1.2.3