From 1f87f1cb3cbb8f31b4c91c4412a088f178550b9e Mon Sep 17 00:00:00 2001
From: winsdominoes <wins.dominoes2007@gmail.com>
Date: Sat, 27 Apr 2024 17:28:56 +0700
Subject: [PATCH] Added opening file + line column check

---
 src/text-viewer-window.c  | 38 +++++++++++++++++++++++++++++++++-----
 src/text-viewer-window.ui |  9 +++++++++
 2 files changed, 42 insertions(+), 5 deletions(-)

diff --git a/src/text-viewer-window.c b/src/text-viewer-window.c
index e76e331..5228f9f 100644
--- a/src/text-viewer-window.c
+++ b/src/text-viewer-window.c
@@ -30,6 +30,7 @@ struct _TextViewerWindow
 	AdwHeaderBar        *header_bar;
 	GtkTextView         *main_text_view;
         GtkButton           *open_button;
+        GtkLabel            *cursor_pos;
 };
 
 G_DEFINE_FINAL_TYPE (TextViewerWindow, text_viewer_window, ADW_TYPE_APPLICATION_WINDOW)
@@ -65,7 +66,7 @@ open_file_complete (GObject          *source_object,
         }
 
         if (error != NULL) {
-                g_printerr ("Unable to open '%': %s\n",
+                g_printerr ("Unable to open '%s': %s\n",
                             g_file_peek_path (file),
                             error->message);
                 return;
@@ -97,12 +98,13 @@ open_file (TextViewerWindow *self,
                                     self);
 }
 
-static void on_open_response (GObject       *source,
-                              GAsyncResult  *result,
-                              gpointer      user_data)
+static void
+on_open_response (GObject       *source,
+                  GAsyncResult  *result,
+                  gpointer      user_data)
 {
         GtkFileDialog *dialog = GTK_FILE_DIALOG (source);
-        TextViewer *self = user_data;
+        TextViewerWindow *self = user_data;
 
         g_autoptr (GFile) file = gtk_file_dialog_open_finish (dialog, result, NULL);
 
@@ -133,6 +135,27 @@ text_viewer_window_class_init (TextViewerWindowClass *klass)
 	gtk_widget_class_bind_template_child (widget_class, TextViewerWindow, header_bar);
 	gtk_widget_class_bind_template_child (widget_class, TextViewerWindow, main_text_view);
         gtk_widget_class_bind_template_child (widget_class, TextViewerWindow, open_button);
+        gtk_widget_class_bind_template_child (widget_class, TextViewerWindow, cursor_pos);
+}
+
+static void
+text_viewer_window__update_cursor_position (GtkTextBuffer     *buffer,
+                                            GParamSpec        *pspec,
+                                            TextViewerWindow  *self)
+{
+        int cursor_pos = 0;
+
+        g_object_get (buffer, "cursor-position", &cursor_pos, NULL);
+
+        GtkTextIter iter;
+        gtk_text_buffer_get_iter_at_offset (buffer, &iter, cursor_pos);
+
+        g_autofree char *cursor_str =
+                g_strdup_printf ("Ln %d, Col %d",
+                                 gtk_text_iter_get_line (&iter) + 1,
+                                 gtk_text_iter_get_line_offset (&iter) + 1);
+
+        gtk_label_set_text (self->cursor_pos, cursor_str);
 }
 
 static void
@@ -144,4 +167,9 @@ text_viewer_window_init (TextViewerWindow *self)
         g_signal_connect (open_action, "activate", G_CALLBACK (text_viewer_window__open_file_dialog), self);
         g_action_map_add_action (G_ACTION_MAP (self), G_ACTION (open_action));
 
+        GtkTextBuffer *buffer = gtk_text_view_get_buffer (self->main_text_view);
+        g_signal_connect (buffer,
+                         "notify::cursor-position",
+                         G_CALLBACK (text_viewer_window__update_cursor_position),
+                         self);
 }
diff --git a/src/text-viewer-window.ui b/src/text-viewer-window.ui
index a9ead3e..9874bc9 100644
--- a/src/text-viewer-window.ui
+++ b/src/text-viewer-window.ui
@@ -27,6 +27,15 @@
                 <property name="menu-model">primary_menu</property>
               </object>
             </child>
+            <child type="end">
+              <object class="GtkLabel" id="cursor_pos">
+                <property name="label">Ln 0, Col 0</property>
+                <style>
+                  <class name="dim-label" />
+                  <class name="numeric" />
+                </style>
+              </object>
+            </child>
           </object>
         </child>
         <property name="content">