From 21c6d5cb9bea7bfe9d83066536c05534ac268b4f Mon Sep 17 00:00:00 2001
From: Tobias Bernard <tbernard@gnome.org>
Date: Sat, 14 Dec 2024 19:04:41 +0100
Subject: [PATCH] wip: port to sourceview

---
 Cargo.lock                     | 36 ++++++++++++++++++++++++++++++++++
 aardvark-app/Cargo.toml        |  1 +
 aardvark-app/src/textbuffer.rs |  6 ++++--
 aardvark-app/src/window.rs     |  5 +++--
 aardvark-app/src/window.ui     |  3 ++-
 5 files changed, 46 insertions(+), 5 deletions(-)

diff --git a/Cargo.lock b/Cargo.lock
index 5fab072..3912354 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -14,6 +14,7 @@ dependencies = [
  "libadwaita",
  "serde",
  "serde_json",
+ "sourceview5",
  "tokio",
 ]
 
@@ -4296,6 +4297,41 @@ dependencies = [
  "windows-sys 0.52.0",
 ]
 
+[[package]]
+name = "sourceview5"
+version = "0.9.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f0e07d99b15f12767aa1c84870c45667f42bf24fd6a989dc70088e32854ef56e"
+dependencies = [
+ "futures-channel",
+ "futures-core",
+ "gdk-pixbuf",
+ "gdk4",
+ "gio",
+ "glib",
+ "gtk4",
+ "libc",
+ "pango",
+ "sourceview5-sys",
+]
+
+[[package]]
+name = "sourceview5-sys"
+version = "0.9.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4a3759467713554a8063faa380237ee2c753e89026bbe1b8e9611d991cb106ff"
+dependencies = [
+ "gdk-pixbuf-sys",
+ "gdk4-sys",
+ "gio-sys",
+ "glib-sys",
+ "gobject-sys",
+ "gtk4-sys",
+ "libc",
+ "pango-sys",
+ "system-deps",
+]
+
 [[package]]
 name = "spin"
 version = "0.9.8"
diff --git a/aardvark-app/Cargo.toml b/aardvark-app/Cargo.toml
index 448bcbb..6b59aa6 100644
--- a/aardvark-app/Cargo.toml
+++ b/aardvark-app/Cargo.toml
@@ -12,6 +12,7 @@ gtk = { version = "0.9", package = "gtk4", features = ["gnome_47"] }
 serde = { version = "1.0.215", features = ["derive"] }
 serde_json = "1.0.128"
 tokio = { version = "1.42.0", features = ["full"] }
+sourceview = { package = "sourceview5", version = "0.9" }
 
 [dependencies.adw]
 package = "libadwaita"
diff --git a/aardvark-app/src/textbuffer.rs b/aardvark-app/src/textbuffer.rs
index 6416087..d061058 100644
--- a/aardvark-app/src/textbuffer.rs
+++ b/aardvark-app/src/textbuffer.rs
@@ -22,8 +22,10 @@ use adw::subclass::prelude::*;
 use glib::subclass::Signal;
 use gtk::glib;
 use gtk::prelude::*;
+use gtk::*;
 use std::cell::Cell;
 use std::sync::OnceLock;
+use sourceview::*;
 
 mod imp {
     use super::*;
@@ -37,7 +39,7 @@ mod imp {
     impl ObjectSubclass for AardvarkTextBuffer {
         const NAME: &'static str = "AardvarkTextBuffer";
         type Type = super::AardvarkTextBuffer;
-        type ParentType = gtk::TextBuffer;
+        type ParentType = sourceview::Buffer;
     }
 
     impl ObjectImpl for AardvarkTextBuffer {
@@ -82,7 +84,7 @@ mod imp {
 
 glib::wrapper! {
     pub struct AardvarkTextBuffer(ObjectSubclass<imp::AardvarkTextBuffer>)
-        @extends gtk::TextBuffer;
+        @extends sourceview::Buffer;
 }
 
 impl AardvarkTextBuffer {
diff --git a/aardvark-app/src/window.rs b/aardvark-app/src/window.rs
index 5b81556..cf9d0f0 100644
--- a/aardvark-app/src/window.rs
+++ b/aardvark-app/src/window.rs
@@ -25,6 +25,7 @@ use adw::subclass::prelude::*;
 use glib::subclass::Signal;
 use gtk::prelude::*;
 use gtk::{gio, glib};
+use sourceview::*;
 
 use crate::AardvarkTextBuffer;
 
@@ -36,7 +37,7 @@ mod imp {
     pub struct AardvarkWindow {
         // Template widgets
         #[template_child]
-        pub text_view: TemplateChild<gtk::TextView>,
+        pub text_view: TemplateChild<sourceview::View>,
         #[template_child]
         pub open_document_button: TemplateChild<gtk::Button>,
         #[template_child]
@@ -63,7 +64,7 @@ mod imp {
             self.parent_constructed();
 
             let buffer = AardvarkTextBuffer::new();
-            self.text_view.set_buffer(Some(&buffer));
+            self.text_view.clone().upcast::<gtk::TextView>().set_buffer(Some(&buffer));
 
             let obj = self.obj().clone();
             buffer.connect_changed(move |buffer| {
diff --git a/aardvark-app/src/window.ui b/aardvark-app/src/window.ui
index fe7df1f..dbea307 100644
--- a/aardvark-app/src/window.ui
+++ b/aardvark-app/src/window.ui
@@ -68,10 +68,11 @@
             <property name="height-request">180</property>
             <property name="width-request">300</property>
             <child>
-              <object class="GtkTextView" id="text_view">
+              <object class="GtkSourceView" id="text_view">
                 <property name="top-margin">6</property>
                 <property name="bottom-margin">12</property>
                 <property name="left-margin">12</property>
+                <property name="wrap-mode">GTK_WRAP_WORD_CHAR</property>
                 <style>
                   <class name="inline"/>
                   <class name="editor"/>