[gnome-notes] bjb-note-view: Display text indicating that note is detached

[Isaque Galdino de Araujo <igaldino src gnome org>]

commit 68c817a831eddaf84bbe4e1f0fbe779ae331c440
Author: Jonathan Kang <jonathankang gnome org>
Date:   Mon Mar 22 09:19:56 2021 +0800

    bjb-note-view: Display text indicating that note is detached

 src/bjb-detached-window.c | 24 +++++++++++++++++++++++-
 src/bjb-detached-window.h |  4 +++-
 src/bjb-note-view.c       | 28 +++++++++++++++++++++++++++-
 src/bjb-note-view.h       |  7 +++++--
 src/bjb-window-base.c     |  4 +++-
 5 files changed, 61 insertions(+), 6 deletions(-)
---
diff --git a/src/bjb-detached-window.c b/src/bjb-detached-window.c
index b643010..b32bc16 100644
--- a/src/bjb-detached-window.c
+++ b/src/bjb-detached-window.c
@@ -25,6 +25,7 @@
 enum
 {
   PROP_0,
+  PROP_NOTE_VIEW,
   PROP_NOTE,
   PROP_WIDTH,
   PROP_HEIGHT,
@@ -39,6 +40,7 @@ struct _BjbDetachedWindow
   int            width;
   int            height;
   BijiNoteObj   *note;
+  BjbNoteView   *note_view;
   BjbWindowBase *main_win;
 
   GtkWidget *headerbar;
@@ -250,6 +252,11 @@ bjb_detached_window_finalize (GObject *object)
 {
   BjbDetachedWindow *self = BJB_DETACHED_WINDOW (object);
 
+  if (BJB_IS_NOTE_VIEW (self->note_view))
+  {
+    bjb_note_view_set_detached (self->note_view, FALSE);
+  }
+
   g_object_unref (self->note);
 
   G_OBJECT_CLASS (bjb_detached_window_parent_class)->finalize (object);
@@ -265,6 +272,9 @@ bjb_detached_window_get_property (GObject    *object,
 
   switch (property_id)
   {
+  case PROP_NOTE_VIEW:
+    g_value_set_object (value, self->note_view);
+    break;
   case PROP_NOTE:
     g_value_set_object (value, self->note);
     break;
@@ -293,6 +303,9 @@ bjb_detached_window_set_property (GObject      *object,
 
   switch (property_id)
   {
+  case PROP_NOTE_VIEW:
+    self->note_view = g_value_get_object (value);
+    break;
   case PROP_NOTE:
     self->note = g_value_dup_object (value);
     break;
@@ -322,6 +335,13 @@ bjb_detached_window_class_init (BjbDetachedWindowClass *klass)
   object_class->get_property = bjb_detached_window_get_property;
   object_class->set_property = bjb_detached_window_set_property;
 
+  properties[PROP_NOTE_VIEW] = g_param_spec_object ("note-view",
+                                                    "NoteView",
+                                                    "Note widget detached from",
+                                                    BJB_TYPE_NOTE_VIEW,
+                                                    G_PARAM_READWRITE |
+                                                    G_PARAM_CONSTRUCT |
+                                                    G_PARAM_STATIC_STRINGS);
   properties[PROP_NOTE] = g_param_spec_object ("note",
                                                "NoteObj",
                                                "Currently opened note",
@@ -370,13 +390,15 @@ bjb_detached_window_init (BjbDetachedWindow *self)
 }
 
 BjbDetachedWindow *
-bjb_detached_window_new (BijiNoteObj   *note,
+bjb_detached_window_new (BjbNoteView   *note_view,
+                         BijiNoteObj   *note,
                          int            width,
                          int            height,
                          BjbWindowBase *main_win)
 {
   return g_object_new (BJB_TYPE_DETACHED_WINDOW,
                        "application", g_application_get_default (),
+                       "note-view", note_view,
                        "note", note,
                        "width", width,
                        "height", height,
diff --git a/src/bjb-detached-window.h b/src/bjb-detached-window.h
index 08243b5..a8b127b 100644
--- a/src/bjb-detached-window.h
+++ b/src/bjb-detached-window.h
@@ -22,6 +22,7 @@
 #include <handy.h>
 #include <libbiji/libbiji.h>
 
+#include "bjb-note-view.h"
 #include "bjb-window-base.h"
 
 G_BEGIN_DECLS
@@ -30,7 +31,8 @@ G_BEGIN_DECLS
 
 G_DECLARE_FINAL_TYPE (BjbDetachedWindow, bjb_detached_window, BJB, DETACHED_WINDOW, HdyApplicationWindow)
 
-BjbDetachedWindow *bjb_detached_window_new (BijiNoteObj   *note,
+BjbDetachedWindow *bjb_detached_window_new (BjbNoteView   *note_view,
+                                            BijiNoteObj   *note,
                                             int            width,
                                             int            height,
                                             BjbWindowBase *main_win);
diff --git a/src/bjb-note-view.c b/src/bjb-note-view.c
index f8b1230..f1d3328 100644
--- a/src/bjb-note-view.c
+++ b/src/bjb-note-view.c
@@ -48,6 +48,8 @@ struct _BjbNoteView
   BijiWebkitEditor  *editor;
   GtkWidget         *box;
   GtkWidget         *edit_bar;
+  GtkWidget         *label;
+  GtkWidget         *stack;
 };
 
 G_DEFINE_TYPE (BjbNoteView, bjb_note_view, GTK_TYPE_OVERLAY)
@@ -56,6 +58,20 @@ static void on_window_closed(GtkWidget *window,gpointer note);
 static gboolean on_note_trashed (BijiNoteObj *note, BjbNoteView *view);
 static void on_note_color_changed_cb (BijiNoteObj *note, BjbNoteView *self);
 
+void
+bjb_note_view_set_detached (BjbNoteView *self,
+                            gboolean     detached)
+{
+  if (detached)
+  {
+    gtk_stack_set_visible_child (GTK_STACK (self->stack), self->label);
+  }
+  else
+  {
+    gtk_stack_set_visible_child (GTK_STACK (self->stack), self->box);
+  }
+}
+
 static void
 bjb_note_view_disconnect (BjbNoteView *self)
 {
@@ -193,9 +209,19 @@ bjb_note_view_constructed (GObject *obj)
   g_signal_connect(self->window,"destroy",
                    G_CALLBACK(on_window_closed), self->note);
 
+  self->stack = gtk_stack_new ();
+  gtk_widget_show (self->stack);
+  gtk_container_add (GTK_CONTAINER (self), self->stack);
+
+  /* Label used to indicate that note is opened in another window. */
+  self->label = gtk_label_new (_("This note is being viewed in another window."));
+  gtk_widget_show (self->label);
+  gtk_stack_add_named (GTK_STACK (self->stack), self->label, "label");
+
   self->box = gtk_box_new (GTK_ORIENTATION_VERTICAL, 0);
-  gtk_container_add (GTK_CONTAINER (self), self->box);
   gtk_widget_show (self->box);
+  gtk_stack_add_named (GTK_STACK (self->stack), self->box, "note-box");
+  gtk_stack_set_visible_child (GTK_STACK (self->stack), self->box);
 
   /* Text Editor (WebKitMainView) */
   gtk_box_pack_start (GTK_BOX (self->box), GTK_WIDGET(self->view), TRUE, TRUE, 0);
diff --git a/src/bjb-note-view.h b/src/bjb-note-view.h
index 0d98da0..b75c5d0 100644
--- a/src/bjb-note-view.h
+++ b/src/bjb-note-view.h
@@ -28,8 +28,11 @@ G_BEGIN_DECLS
 
 G_DECLARE_FINAL_TYPE (BjbNoteView, bjb_note_view, BJB, NOTE_VIEW, GtkOverlay)
 
-BjbNoteView        *bjb_note_view_new                (GtkWidget *win,
-                                                     BijiNoteObj* note);
+void                bjb_note_view_set_detached       (BjbNoteView *self,
+                                                      gboolean     detached);
+
+BjbNoteView        *bjb_note_view_new                (GtkWidget   *win,
+                                                      BijiNoteObj *note);
 
 
 GtkWidget          *bjb_note_view_get_base_window    (BjbNoteView *v);
diff --git a/src/bjb-window-base.c b/src/bjb-window-base.c
index 6deef81..34ac54c 100644
--- a/src/bjb-window-base.c
+++ b/src/bjb-window-base.c
@@ -356,7 +356,9 @@ on_detach_window_cb (GSimpleAction *action,
   else
     bjb_window_base_switch_to (self, BJB_WINDOW_BASE_MAIN_VIEW);
 
-  detached_window = bjb_detached_window_new (note, width, height, self);
+  bjb_note_view_set_detached (self->note_view, TRUE);
+
+  detached_window = bjb_detached_window_new (self->note_view, note, width, height, self);
   gtk_widget_show_all (GTK_WIDGET (detached_window));
 }