[gtk/prop-list: 6/9] column view column: Add a sorter property



commit 74fd189572b8ccbf2a0cc24800070f72b74bf77a
Author: Matthias Clasen <mclasen redhat com>
Date:   Tue Dec 3 02:26:02 2019 -0500

    column view column: Add a sorter property
    
    This will be used to implement sort by header click.

 docs/reference/gtk/gtk4-sections.txt |  2 ++
 gtk/gtkcolumnviewcolumn.c            | 69 ++++++++++++++++++++++++++++++++++++
 gtk/gtkcolumnviewcolumn.h            |  7 ++++
 gtk/gtkcolumnviewcolumnprivate.h     |  1 +
 4 files changed, 79 insertions(+)
---
diff --git a/docs/reference/gtk/gtk4-sections.txt b/docs/reference/gtk/gtk4-sections.txt
index 67b78183cb..319df79c56 100644
--- a/docs/reference/gtk/gtk4-sections.txt
+++ b/docs/reference/gtk/gtk4-sections.txt
@@ -588,6 +588,8 @@ gtk_column_view_column_set_factory
 gtk_column_view_column_get_factory
 gtk_column_view_column_set_title
 gtk_column_view_column_get_title
+gtk_column_view_column_set_sorter
+gtk_column_view_column_get_sorter
 <SUBSECTION Standard>
 GTK_COLUMN_VIEW_COLUMN
 GTK_COLUMN_VIEW_COLUMN_CLASS
diff --git a/gtk/gtkcolumnviewcolumn.c b/gtk/gtkcolumnviewcolumn.c
index 283f1f6082..c215daecaa 100644
--- a/gtk/gtkcolumnviewcolumn.c
+++ b/gtk/gtkcolumnviewcolumn.c
@@ -20,6 +20,7 @@
 #include "config.h"
 
 #include "gtkcolumnviewcolumnprivate.h"
+#include "gtkcolumnviewsorterprivate.h"
 
 #include "gtkcolumnviewprivate.h"
 #include "gtkcolumnviewtitleprivate.h"
@@ -32,6 +33,7 @@
 #include "gtksizegroup.h"
 #include "gtkstylecontext.h"
 #include "gtkwidgetprivate.h"
+#include "gtksorter.h"
 
 /**
  * SECTION:gtkcolumnviewcolumn
@@ -48,6 +50,7 @@ struct _GtkColumnViewColumn
 
   GtkListItemFactory *factory;
   char *title;
+  GtkSorter *sorter;
 
   /* data for the view */
   GtkColumnView *view;
@@ -73,6 +76,7 @@ enum
   PROP_COLUMN_VIEW,
   PROP_FACTORY,
   PROP_TITLE,
+  PROP_SORTER,
 
   N_PROPS
 };
@@ -90,6 +94,7 @@ gtk_column_view_column_dispose (GObject *object)
   g_assert (self->first_cell == NULL); /* no view = no children */
 
   g_clear_object (&self->factory);
+  g_clear_object (&self->sorter);
   g_clear_pointer (&self->title, g_free);
 
   G_OBJECT_CLASS (gtk_column_view_column_parent_class)->dispose (object);
@@ -117,6 +122,10 @@ gtk_column_view_column_get_property (GObject    *object,
       g_value_set_string (value, self->title);
       break;
 
+    case PROP_SORTER:
+      g_value_set_object (value, self->sorter);
+      break;
+
     default:
       G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
       break;
@@ -141,6 +150,10 @@ gtk_column_view_column_set_property (GObject      *object,
       gtk_column_view_column_set_title (self, g_value_get_string (value));
       break;
 
+    case PROP_SORTER:
+      gtk_column_view_column_set_sorter (self, g_value_get_object (value));
+      break;
+
     default:
       G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
       break;
@@ -192,6 +205,13 @@ gtk_column_view_column_class_init (GtkColumnViewColumnClass *klass)
                           NULL,
                           G_PARAM_READWRITE | G_PARAM_EXPLICIT_NOTIFY);
 
+  properties[PROP_SORTER] =
+    g_param_spec_object ("sorter",
+                         P_("Sorter"),
+                         P_("Sorter for sorting list items"),
+                         GTK_TYPE_SORTER,
+                         G_PARAM_READWRITE | G_PARAM_EXPLICIT_NOTIFY | G_PARAM_STATIC_STRINGS);
+
   g_object_class_install_properties (gobject_class, N_PROPS, properties);
 }
 
@@ -552,6 +572,55 @@ gtk_column_view_column_get_title (GtkColumnViewColumn *self)
   return self->title;
 }
 
+/**
+ * gtk_column_view_column_set_sorter:
+ * @self: a #GtkColumnViewColumn
+ * @sorter: (nullable): the #GtkSorter to associate with @column
+ *
+ * Associates a sorter with the column.
+ *
+ * This sorter can be made active by clicking on the column
+ * header, or by calling gtk_column_view_sort_by_column().
+ */
+void
+gtk_column_view_column_set_sorter (GtkColumnViewColumn *self,
+                                   GtkSorter           *sorter)
+{
+  GtkColumnViewSorter *view_sorter;
+
+  g_return_if_fail (GTK_IS_COLUMN_VIEW_COLUMN (self));
+  g_return_if_fail (sorter == NULL || GTK_IS_SORTER (sorter));
+
+  if (!g_set_object (&self->sorter, sorter))
+    return;
+
+  if (self->header)
+    gtk_column_view_title_update (GTK_COLUMN_VIEW_TITLE (self->header));
+
+  view_sorter = GTK_COLUMN_VIEW_SORTER (gtk_column_view_get_sorter (self->view));
+
+  if (gtk_column_view_sorter_remove_column (view_sorter, self))
+    gtk_column_view_active_sorter_changed (self->view);
+
+  g_object_notify_by_pspec (G_OBJECT (self), properties[PROP_SORTER]);
+}
+
+/**
+ * gtk_column_view_column_get_sorter:
+ * @self: a #GtkColumnViewColumn
+ *
+ * Returns the sorter that is associated with the column.
+ *
+ * Returns: (transfer none): the #GtkSorter of @self
+ */
+GtkSorter *
+gtk_column_view_column_get_sorter (GtkColumnViewColumn *self)
+{
+  g_return_val_if_fail (GTK_IS_COLUMN_VIEW_COLUMN (self), NULL);
+
+  return self->sorter;
+}
+
 void
 gtk_column_view_column_active_sorter_changed (GtkColumnViewColumn *self)
 {
diff --git a/gtk/gtkcolumnviewcolumn.h b/gtk/gtkcolumnviewcolumn.h
index 612cdb1854..f74cedaa08 100644
--- a/gtk/gtkcolumnviewcolumn.h
+++ b/gtk/gtkcolumnviewcolumn.h
@@ -25,6 +25,7 @@
 #endif
 
 #include <gtk/gtkcolumnview.h>
+#include <gtk/gtksorter.h>
 
 G_BEGIN_DECLS
 
@@ -65,6 +66,12 @@ void                    gtk_column_view_column_set_title                (GtkColu
 GDK_AVAILABLE_IN_ALL
 const char *            gtk_column_view_column_get_title                (GtkColumnViewColumn    *self);
 
+GDK_AVAILABLE_IN_ALL
+void                    gtk_column_view_column_set_sorter               (GtkColumnViewColumn    *self,
+                                                                         GtkSorter              *sorter);
+GDK_AVAILABLE_IN_ALL
+GtkSorter *             gtk_column_view_column_get_sorter               (GtkColumnViewColumn    *self);
+
 G_END_DECLS
 
 #endif  /* __GTK_COLUMN_VIEW_COLUMN_H__ */
diff --git a/gtk/gtkcolumnviewcolumnprivate.h b/gtk/gtkcolumnviewcolumnprivate.h
index 3df2958c07..5afeffad4f 100644
--- a/gtk/gtkcolumnviewcolumnprivate.h
+++ b/gtk/gtkcolumnviewcolumnprivate.h
@@ -24,6 +24,7 @@
 
 #include "gtk/gtkcolumnviewcellprivate.h"
 
+
 void                    gtk_column_view_column_set_column_view          (GtkColumnViewColumn    *self,
                                                                          GtkColumnView          *view);
 


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