[gnome-builder] vim: add support for "edit filename"

[Christian Hergert <chergert src gnome org>]

commit 5e0ebaaad37a7c00a48d04a493ee93da308a16a5
Author: Christian Hergert <christian hergert me>
Date:   Mon Jan 19 03:31:58 2015 -0800

    vim: add support for "edit filename"
    
    You can also use the alias 'e'. This open's a new buffer, which is
    slightly different than VIM, but reasonable in this case.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=743021

 src/commands/gb-command-vim-provider.c |    7 +++--
 src/editor/gb-editor-frame.c           |   22 +++++++++++++++++++++
 src/vim/gb-source-vim.c                |   33 ++++++++++++++++++++++++++++++++
 src/vim/gb-source-vim.h                |    3 +-
 4 files changed, 61 insertions(+), 4 deletions(-)
---
diff --git a/src/commands/gb-command-vim-provider.c b/src/commands/gb-command-vim-provider.c
index 9f6ddfe..0cc1b76 100644
--- a/src/commands/gb-command-vim-provider.c
+++ b/src/commands/gb-command-vim-provider.c
@@ -147,11 +147,12 @@ static void
 gb_command_vim_provider_init (GbCommandVimProvider *self)
 {
   static const gchar *commands[] = {
-    "set ",
     "colorscheme ",
-    "syntax ",
-    "sort",
+    "edit",
     "nohl",
+    "set ",
+    "sort",
+    "syntax ",
     NULL
   };
   GSettings *settings;
diff --git a/src/editor/gb-editor-frame.c b/src/editor/gb-editor-frame.c
index e9244ce..4feff02 100644
--- a/src/editor/gb-editor-frame.c
+++ b/src/editor/gb-editor-frame.c
@@ -1076,6 +1076,23 @@ gb_editor_frame_on_execute_command (GbEditorFrame *self,
 }
 
 static void
+gb_editor_frame_on_switch_to_file (GbEditorFrame *self,
+                                   GFile         *file,
+                                   GbSourceVim   *vim)
+{
+  GbWorkspace *workspace;
+  GbWorkbench *workbench;
+
+  g_return_if_fail (GB_IS_EDITOR_FRAME (self));
+  g_return_if_fail (G_IS_FILE (file));
+  g_return_if_fail (GB_IS_SOURCE_VIM (vim));
+
+  workbench = gb_widget_get_workbench (GTK_WIDGET (self));
+  workspace = gb_workbench_get_workspace (workbench, GB_TYPE_EDITOR_WORKSPACE);
+  gb_editor_workspace_open (GB_EDITOR_WORKSPACE (workspace), file);
+}
+
+static void
 gb_editor_frame_on_command_toggled (GbEditorFrame *self,
                                     gboolean       visible,
                                     GbSourceVim   *vim)
@@ -1501,6 +1518,11 @@ gb_editor_frame_constructed (GObject *object)
                            G_CALLBACK (gb_editor_frame_on_execute_command),
                            self,
                            G_CONNECT_SWAPPED | G_CONNECT_AFTER);
+  g_signal_connect_object (vim,
+                           "switch-to-file",
+                           G_CALLBACK (gb_editor_frame_on_switch_to_file),
+                           self,
+                           G_CONNECT_SWAPPED);
 
   g_signal_connect_object (priv->source_view,
                            "display-documentation",
diff --git a/src/vim/gb-source-vim.c b/src/vim/gb-source-vim.c
index 7652632..99e17d3 100644
--- a/src/vim/gb-source-vim.c
+++ b/src/vim/gb-source-vim.c
@@ -198,6 +198,7 @@ enum
   COMMAND_VISIBILITY_TOGGLED,
   EXECUTE_COMMAND,
   JUMP_TO_DOC,
+  SWITCH_TO_FILE,
   LAST_SIGNAL
 };
 
@@ -4036,6 +4037,23 @@ gb_source_vim_op_set (GbSourceVim *vim,
   g_strfreev (parts);
 }
 
+static void
+gb_source_vim_op_edit (GbSourceVim *vim,
+                       const gchar *command_text)
+{
+  const gchar *path;
+  GFile *file;
+
+  g_return_if_fail (GB_IS_SOURCE_VIM (vim));
+  g_return_if_fail (g_str_has_prefix (command_text, "e ") ||
+                    g_str_has_prefix (command_text, "edit "));
+
+  path = strstr (command_text, " ") + 1;
+  file = g_file_new_for_path (path);
+  g_signal_emit (vim, gSignals [SWITCH_TO_FILE], 0, file);
+  g_clear_object (&file);
+}
+
 static GbSourceVimOperation
 gb_source_vim_parse_operation (const gchar *command_text)
 {
@@ -4049,6 +4067,9 @@ gb_source_vim_parse_operation (const gchar *command_text)
 
   if (g_str_equal (command_text, "sort"))
     ret = gb_source_vim_op_sort;
+  else if (g_str_has_prefix (command_text, "edit ") ||
+           g_str_has_prefix (command_text, "e "))
+    ret = gb_source_vim_op_edit;
   else if (g_str_equal (command_text, "nohl"))
     ret = gb_source_vim_op_nohl;
   else if (g_str_has_prefix (command_text, "set "))
@@ -5262,6 +5283,18 @@ gb_source_vim_class_init (GbSourceVimClass *klass)
                   1,
                   G_TYPE_STRING);
 
+  gSignals [SWITCH_TO_FILE] =
+    g_signal_new ("switch-to-file",
+                  G_TYPE_FROM_CLASS (klass),
+                  G_SIGNAL_RUN_LAST,
+                  G_STRUCT_OFFSET (GbSourceVimClass, switch_to_file),
+                  NULL,
+                  NULL,
+                  g_cclosure_marshal_generic,
+                  G_TYPE_NONE,
+                  1,
+                  G_TYPE_FILE);
+
   /*
    * Register all of our internal VIM commands. These can be used directly
    * or via phrases.
diff --git a/src/vim/gb-source-vim.h b/src/vim/gb-source-vim.h
index 560fbe3..6721225 100644
--- a/src/vim/gb-source-vim.h
+++ b/src/vim/gb-source-vim.h
@@ -63,12 +63,13 @@ struct _GbSourceVimClass
                                           const gchar *command);
   void     (*jump_to_doc)                (GbSourceVim *vim,
                                           const gchar *search_text);
+  void     (*switch_to_file)             (GbSourceVim *vim,
+                                          GFile       *file);
 
   gpointer _padding1;
   gpointer _padding2;
   gpointer _padding3;
   gpointer _padding4;
-  gpointer _padding5;
 };
 
 GType            gb_source_vim_get_type         (void);