[gnome-builder] editor: add GtkSizeGroup to keep document stack titles the same height

[Christian Hergert <chergert src gnome org>]

commit 1cfd163659384af4f5fca7ae79d0a59a55927907
Author: Christian Hergert <christian hergert me>
Date:   Sat Feb 7 17:11:43 2015 -0800

    editor: add GtkSizeGroup to keep document stack titles the same height

 src/documents/gb-document-grid.c        |   58 +++++++++++++++++++++++++++++++
 src/documents/gb-document-grid.h        |    3 ++
 src/documents/gb-document-stack.c       |   27 ++++++++++++++
 src/editor/gb-editor-workspace.c        |    4 ++-
 src/resources/ui/gb-editor-workspace.ui |    7 ++++
 5 files changed, 98 insertions(+), 1 deletions(-)
---
diff --git a/src/documents/gb-document-grid.c b/src/documents/gb-document-grid.c
index a54bd8d..a14b737 100644
--- a/src/documents/gb-document-grid.c
+++ b/src/documents/gb-document-grid.c
@@ -28,6 +28,7 @@ struct _GbDocumentGridPrivate
 {
   GbDocumentManager *document_manager;
   GbDocumentStack   *last_focus;
+  GtkSizeGroup      *title_size_group;
 };
 
 G_DEFINE_TYPE_WITH_PRIVATE (GbDocumentGrid, gb_document_grid, GTK_TYPE_BIN)
@@ -35,6 +36,7 @@ G_DEFINE_TYPE_WITH_PRIVATE (GbDocumentGrid, gb_document_grid, GTK_TYPE_BIN)
 enum {
   PROP_0,
   PROP_DOCUMENT_MANAGER,
+  PROP_TITLE_SIZE_GROUP,
   LAST_PROP
 };
 
@@ -839,6 +841,39 @@ gb_document_grid_parent_set (GtkWidget      *widget,
     }
 }
 
+GtkSizeGroup *
+gb_document_grid_get_title_size_group (GbDocumentGrid *grid)
+{
+  g_return_val_if_fail (GB_IS_DOCUMENT_GRID (grid), NULL);
+
+  return grid->priv->title_size_group;
+}
+
+void
+gb_document_grid_set_title_size_group (GbDocumentGrid *grid,
+                                       GtkSizeGroup   *title_size_group)
+{
+  GbDocumentGridPrivate *priv;
+
+  g_return_if_fail (GB_IS_DOCUMENT_GRID (grid));
+
+  priv = grid->priv;
+
+  if (g_set_object (&priv->title_size_group, title_size_group))
+    {
+      GList *stacks;
+      GList *iter;
+
+      stacks = gb_document_grid_get_stacks (grid);
+      for (iter = stacks; iter; iter = iter->next)
+        g_object_set (iter->data, "title-size-group", title_size_group, NULL);
+      g_list_free (stacks);
+
+      g_object_notify_by_pspec (G_OBJECT (grid),
+                                gParamSpecs [PROP_TITLE_SIZE_GROUP]);
+    }
+}
+
 static void
 gb_document_grid_get_property (GObject    *object,
                                guint       prop_id,
@@ -853,6 +888,10 @@ gb_document_grid_get_property (GObject    *object,
       g_value_set_object (value, gb_document_grid_get_document_manager (self));
       break;
 
+    case PROP_TITLE_SIZE_GROUP:
+      g_value_set_object (value, gb_document_grid_get_title_size_group (self));
+      break;
+
     default:
       G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
     }
@@ -872,6 +911,10 @@ gb_document_grid_set_property (GObject      *object,
       gb_document_grid_set_document_manager (self, g_value_get_object (value));
       break;
 
+    case PROP_TITLE_SIZE_GROUP:
+      gb_document_grid_set_title_size_group (self, g_value_get_object (value));
+      break;
+
     default:
       G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
     }
@@ -921,6 +964,21 @@ gb_document_grid_class_init (GbDocumentGridClass *klass)
                          (G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
   g_object_class_install_property (object_class, PROP_DOCUMENT_MANAGER,
                                    gParamSpecs [PROP_DOCUMENT_MANAGER]);
+
+  /**
+   * GbDocumentGrid:title-size-group:
+   *
+   * A #GtkSizeGroup to be applied to document stacks. This can be used to
+   * enforce the height across a row of stacks.
+   */
+  gParamSpecs [PROP_TITLE_SIZE_GROUP] =
+    g_param_spec_object ("title-size-group",
+                         _("Title Size Group"),
+                         _("A size group to apply to stack titles."),
+                         GTK_TYPE_SIZE_GROUP,
+                         (G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
+  g_object_class_install_property (object_class, PROP_TITLE_SIZE_GROUP,
+                                   gParamSpecs [PROP_TITLE_SIZE_GROUP]);
 }
 
 static void
diff --git a/src/documents/gb-document-grid.h b/src/documents/gb-document-grid.h
index a9c73b6..d6bc40a 100644
--- a/src/documents/gb-document-grid.h
+++ b/src/documents/gb-document-grid.h
@@ -68,6 +68,9 @@ GList             *gb_document_grid_get_stacks           (GbDocumentGrid    *gri
 void               gb_document_grid_focus_document       (GbDocumentGrid    *grid,
                                                           GbDocument        *document);
 void               gb_document_grid_close_untitled       (GbDocumentGrid    *grid);
+GtkSizeGroup      *gb_document_grid_get_title_size_group (GbDocumentGrid    *grid);
+void               gb_document_grid_set_title_size_group (GbDocumentGrid    *grid,
+                                                          GtkSizeGroup      *size_group);
 
 G_END_DECLS
 
diff --git a/src/documents/gb-document-stack.c b/src/documents/gb-document-stack.c
index 7a26da8..8162c21 100644
--- a/src/documents/gb-document-stack.c
+++ b/src/documents/gb-document-stack.c
@@ -39,6 +39,7 @@ struct _GbDocumentStackPrivate
   GtkStack             *controls;
   GtkStack             *stack;
   GtkMenuButton        *stack_menu;
+  GtkBox               *header_box;
 };
 
 G_DEFINE_TYPE_WITH_PRIVATE (GbDocumentStack, gb_document_stack, GTK_TYPE_BOX)
@@ -47,6 +48,7 @@ enum {
   PROP_0,
   PROP_ACTIVE_VIEW,
   PROP_DOCUMENT_MANAGER,
+  PROP_TITLE_SIZE_GROUP,
   LAST_PROP
 };
 
@@ -791,6 +793,16 @@ gb_document_stack_next_document_activate (GSimpleAction *action,
 }
 
 static void
+gb_document_stack_set_title_size_group (GbDocumentStack *self,
+                                        GtkSizeGroup    *size_group)
+{
+  g_return_if_fail (GB_IS_DOCUMENT_STACK (self));
+
+  if (size_group)
+    gtk_size_group_add_widget (size_group, GTK_WIDGET (self->priv->header_box));
+}
+
+static void
 gb_document_stack_finalize (GObject *object)
 {
   GbDocumentStackPrivate *priv = GB_DOCUMENT_STACK (object)->priv;
@@ -843,6 +855,10 @@ gb_document_stack_set_property (GObject      *object,
       gb_document_stack_set_document_manager (self, g_value_get_object (value));
       break;
 
+    case PROP_TITLE_SIZE_GROUP:
+      gb_document_stack_set_title_size_group (self, g_value_get_object (value));
+      break;
+
     default:
       G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
     }
@@ -866,6 +882,7 @@ gb_document_stack_class_init (GbDocumentStackClass *klass)
   gtk_widget_class_bind_template_child_internal_private (widget_class, GbDocumentStack, stack_menu);
   gtk_widget_class_bind_template_child_internal_private (widget_class, GbDocumentStack, controls);
   gtk_widget_class_bind_template_child_internal_private (widget_class, GbDocumentStack, document_button);
+  gtk_widget_class_bind_template_child_internal_private (widget_class, GbDocumentStack, header_box);
 
   gParamSpecs [PROP_ACTIVE_VIEW] =
     g_param_spec_object ("active-view",
@@ -885,6 +902,16 @@ gb_document_stack_class_init (GbDocumentStackClass *klass)
   g_object_class_install_property (object_class, PROP_DOCUMENT_MANAGER,
                                    gParamSpecs [PROP_DOCUMENT_MANAGER]);
 
+  gParamSpecs [PROP_TITLE_SIZE_GROUP] =
+    g_param_spec_object ("title-size-group",
+                         _("Title Size Group"),
+                         _("The size group for the titlebar."),
+                         GTK_TYPE_SIZE_GROUP,
+                         (G_PARAM_WRITABLE |
+                          G_PARAM_STATIC_STRINGS));
+  g_object_class_install_property (object_class, PROP_TITLE_SIZE_GROUP,
+                                   gParamSpecs [PROP_TITLE_SIZE_GROUP]);
+
   gSignals [CREATE_VIEW] =
     g_signal_new ("create-view",
                   GB_TYPE_DOCUMENT_STACK,
diff --git a/src/editor/gb-editor-workspace.c b/src/editor/gb-editor-workspace.c
index adda68d..11f035f 100644
--- a/src/editor/gb-editor-workspace.c
+++ b/src/editor/gb-editor-workspace.c
@@ -45,8 +45,10 @@ struct _GbEditorWorkspacePrivate
 {
   GHashTable         *command_map;
   GtkPaned           *paned;
-  GbDocumentGrid     *document_grid;
   gchar              *current_folder_uri;
+
+  GbDocumentGrid     *document_grid;
+  GtkSizeGroup       *title_size_group;
 };
 
 G_DEFINE_TYPE_WITH_PRIVATE (GbEditorWorkspace, gb_editor_workspace,
diff --git a/src/resources/ui/gb-editor-workspace.ui b/src/resources/ui/gb-editor-workspace.ui
index c1d0f01..3d8c229 100644
--- a/src/resources/ui/gb-editor-workspace.ui
+++ b/src/resources/ui/gb-editor-workspace.ui
@@ -40,9 +40,16 @@
           <object class="GbDocumentGrid" id="document_grid">
             <property name="visible">True</property>
             <property name="hexpand">True</property>
+            <property name="title_size_group">title_size_group</property>
           </object>
         </child>
       </object>
     </child>
   </template>
+  <object class="GtkSizeGroup" id="title_size_group">
+    <property name="mode">vertical</property>
+    <widgets>
+      <widget name="project_label"/>
+    </widgets>
+  </object>
 </interface>