From daee4283b56603e172aac547c20c5534e588f60d Mon Sep 17 00:00:00 2001
From: pommicket <pommicket@gmail.com>
Date: Thu, 22 Dec 2022 23:46:17 -0500
Subject: finish up capabilities (for now)

---
 autocomplete.c |  2 +-
 lsp-parse.c    | 11 +++++++++++
 lsp-write.c    | 13 +++++++++++++
 main.c         |  3 +++
 4 files changed, 28 insertions(+), 1 deletion(-)

diff --git a/autocomplete.c b/autocomplete.c
index f6c6ff6..67da65a 100644
--- a/autocomplete.c
+++ b/autocomplete.c
@@ -361,7 +361,7 @@ static void autocomplete_frame(Ted *ted) {
 			if (completion->deprecated) {
 				gl_geometry_rect(rect(V2(label_x, y + (char_height - border_thickness) * 0.5f),
 					V2((float)state.x - label_x, 1)),
-					colors[COLOR_TEXT]);
+					colors[label_color]);
 			}
 			
 			y += char_height;
diff --git a/lsp-parse.c b/lsp-parse.c
index 6b4dc46..9d02782 100644
--- a/lsp-parse.c
+++ b/lsp-parse.c
@@ -171,6 +171,17 @@ static bool parse_completion(LSP *lsp, const JSON *json, LSPResponse *response)
 			item->text_edit.type = (LSPTextEditType)edit_type;
 		}
 		
+		JSONString documentation = {0};
+		JSONValue documentation_value = json_object_get(json, item_object, "documentation");
+		// the "documentation" field is either just a string or an object containing
+		// a type ("markdown" or "plaintext") and a string.
+		if (documentation_value.type == JSON_STRING) {
+			documentation = documentation_value.val.string;
+		} else if (documentation_value.type == JSON_OBJECT) {
+			documentation = json_object_get_string(json, documentation_value.val.object,
+				"value");
+		}
+		
 		
 		JSONString detail_text = json_object_get_string(json, item_object, "detail");
 		if (detail_text.pos) {
diff --git a/lsp-write.c b/lsp-write.c
index 9922862..4a56543 100644
--- a/lsp-write.c
+++ b/lsp-write.c
@@ -291,7 +291,20 @@ static void write_request(LSP *lsp, LSPRequest *request) {
 						// completion capabilities
 						write_key_obj_start(o, "completionItem");
 							write_key_bool(o, "snippetSupport", false);
+							write_key_bool(o, "commitCharactersSupport", false);
+							write_key_arr_start(o, "documentationFormat");
+								// we dont really support markdown
+								write_arr_elem_string(o, "plaintext");
+							write_arr_end(o);
 							write_key_bool(o, "deprecatedSupport", true);
+							write_key_bool(o, "preselectSupport", false);
+							write_key_obj_start(o, "tagSupport");
+								write_key_arr_start(o, "valueSet");
+									// currently the only tag in the spec
+									write_arr_elem_number(o, 1);
+								write_arr_end(o);
+							write_obj_end(o);
+							write_key_bool(o, "insertReplaceSupport", false);
 						write_obj_end(o);
 						// "completion item kinds" supported by ted
 						// (these are the little icons displayed for function/variable/etc.)
diff --git a/main.c b/main.c
index 198609d..c86d3b1 100644
--- a/main.c
+++ b/main.c
@@ -1,5 +1,7 @@
 /*
 @TODO:
+- show documentation
+- finish up capabilities
 - trigger characters (with setting)
 - only show "Loading..." if it's taking some time (prevent flash)
 - LSP setting
@@ -8,6 +10,7 @@
    - close completions when a non-word character is typed
 - rename buffer->filename to buffer->path
     - make buffer->path NULL for untitled buffers & fix resulting mess
+- run everything through valgrind ideally with leak checking
 - rust-analyzer bug reports:
     - bad json can give "Unexpected error: client exited without proper shutdown sequence"
     - rust-analyzer should wait until cargo metadata/check is done before sending initialize response
-- 
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