[gnome-builder/wip/gtk4-port: 1313/1774] editorui: Wire up formatting

[Christian Hergert <chergert src gnome org>]

commit 4dbf0ab51aaefddc314a6b48c2e95fe21dcac2f5
Author: JCWasmx86 <JCWasmx86 t-online de>
Date:   Thu Jun 2 07:56:14 2022 +0200

    editorui: Wire up formatting

 .../editorui/gbp-editorui-workspace-addin.c        | 65 ++++++++++++++++++++++
 src/plugins/editorui/gtk/keybindings.json          |  1 +
 2 files changed, 66 insertions(+)
---
diff --git a/src/plugins/editorui/gbp-editorui-workspace-addin.c 
b/src/plugins/editorui/gbp-editorui-workspace-addin.c
index 40e5731c0..e4d7333e9 100644
--- a/src/plugins/editorui/gbp-editorui-workspace-addin.c
+++ b/src/plugins/editorui/gbp-editorui-workspace-addin.c
@@ -460,12 +460,77 @@ show_go_to_line (GSimpleAction *action,
   gtk_menu_button_popup (self->position);
 }
 
+static void
+format_cb (GObject      *object,
+                     GAsyncResult *result,
+                     gpointer      user_data)
+{
+  IdeBuffer *buffer = (IdeBuffer *)object;
+  g_autoptr(IdeSourceView) view = user_data;
+  g_autoptr(GError) error = NULL;
+
+  IDE_ENTRY;
+
+  g_assert (IDE_IS_SOURCE_VIEW (view));
+  g_assert (G_IS_ASYNC_RESULT (result));
+
+  if (!ide_buffer_format_selection_finish (buffer, result, &error))
+    {
+      if (!g_error_matches (error, G_IO_ERROR, G_IO_ERROR_NOT_SUPPORTED))
+        g_warning ("%s", error->message);
+    }
+
+  gtk_text_view_set_editable (GTK_TEXT_VIEW (view), TRUE);
+
+  IDE_EXIT;
+}
+
+static void
+format (GSimpleAction *action,
+        GVariant      *param,
+        gpointer user_data)
+{
+  IdeSourceView *view = NULL;
+  GbpEditoruiWorkspaceAddin *self = user_data;
+
+  g_assert (G_IS_SIMPLE_ACTION (action));
+
+  if (self->page == NULL)
+      return;
+
+  if ((view = ide_signal_group_get_target (self->view_signals)))
+    {
+      IdeBuffer *buffer = NULL;
+      IdeFormatterOptions *options = NULL;
+      gboolean insert_spaces_instead_of_tabs;
+      guint tab_width;
+      int indent_width;
+
+      buffer = ide_editor_page_get_buffer (self->page);
+      options = ide_formatter_options_new ();
+      g_object_get (view,
+                    "tab-width", &tab_width,
+                    "indent-width", &indent_width,
+                    "insert-spaces-instead-of-tabs", &insert_spaces_instead_of_tabs,
+                    NULL);
+      ide_formatter_options_set_tab_width (options, tab_width);
+      ide_formatter_options_set_insert_spaces (options, insert_spaces_instead_of_tabs);
+      gtk_text_view_set_editable (GTK_TEXT_VIEW (view), FALSE);
+      ide_buffer_format_selection_async (buffer,
+                                         options,
+                                         NULL,
+                                         format_cb,
+                                         g_object_ref (view));
+    }
+}
+
 static const GActionEntry actions[] = {
   { "open-in-new-frame", open_in_new_frame },
   { "open-in-new-workspace", open_in_new_workspace },
   { "new-file", new_file },
   { "new-workspace", new_workspace },
   { "show-go-to-line", show_go_to_line },
+  { "format", format},
 };
 
 static void
diff --git a/src/plugins/editorui/gtk/keybindings.json b/src/plugins/editorui/gtk/keybindings.json
index f0172b88d..3003dfeaa 100644
--- a/src/plugins/editorui/gtk/keybindings.json
+++ b/src/plugins/editorui/gtk/keybindings.json
@@ -1 +1,2 @@
 { "trigger" : "<Control>i", "action" : "editorui.show-go-to-line", "when" : "canEdit()", "phase" : "capture" 
},
+{ "trigger" : "<Shift><Alt>f", "action": "editorui.format", "when" : "canEdit()", "phase" : "capture" },