[gtk/wip/otte/listview: 11/157] Add GtkMultiFilter, GtkAnyFilter, GtkEveryFilter
- From: Benjamin Otte <otte src gnome org>
- To: commits-list gnome org
- Cc:
- Subject: [gtk/wip/otte/listview: 11/157] Add GtkMultiFilter, GtkAnyFilter, GtkEveryFilter
- Date: Fri, 13 Dec 2019 06:54:37 +0000 (UTC)
commit 8b56f2952f9fb0097e2a7d12311c4434564a247c
Author: Benjamin Otte <otte redhat com>
Date: Wed Dec 11 21:28:38 2019 +0100
Add GtkMultiFilter, GtkAnyFilter, GtkEveryFilter
GtkMultiFilter is the abstract base class for managing multiple child
filter.
GtkAnyFilter and GtkEveryFilter are the actual implementations.
docs/reference/gtk/gtk4-docs.xml | 1 +
docs/reference/gtk/gtk4-sections.txt | 23 ++
docs/reference/gtk/gtk4.types.in | 3 +
gtk/gtk.h | 1 +
gtk/gtkmultifilter.c | 430 +++++++++++++++++++++++++++++++++++
gtk/gtkmultifilter.h | 58 +++++
gtk/meson.build | 2 +
7 files changed, 518 insertions(+)
---
diff --git a/docs/reference/gtk/gtk4-docs.xml b/docs/reference/gtk/gtk4-docs.xml
index c643819e53..7c1abfa63a 100644
--- a/docs/reference/gtk/gtk4-docs.xml
+++ b/docs/reference/gtk/gtk4-docs.xml
@@ -50,6 +50,7 @@
<xi:include href="xml/gtkfilter.xml" />
<xi:include href="xml/gtkcustomfilter.xml" />
<xi:include href="xml/gtkstringfilter.xml" />
+ <xi:include href="xml/gtkmultifilter.xml" />
</section>
<xi:include href="xml/gtkflattenlistmodel.xml" />
<xi:include href="xml/gtkmaplistmodel.xml" />
diff --git a/docs/reference/gtk/gtk4-sections.txt b/docs/reference/gtk/gtk4-sections.txt
index 76eeb40e78..724df311a0 100644
--- a/docs/reference/gtk/gtk4-sections.txt
+++ b/docs/reference/gtk/gtk4-sections.txt
@@ -1407,6 +1407,29 @@ GTK_CUSTOM_FILTER_GET_CLASS
gtk_custom_filter_get_type
</SECTION>
+<SECTION>
+<FILE>gtkmultifilter</FILE>
+<TITLE>GtkMultiFilter</TITLE>
+GtkMultiFilter
+gtk_multi_filter_append
+gtk_multi_filter_remove
+<SUBSECTION>
+GtkAnyFilter
+gtk_any_filter_new
+<SUBSECTION>
+GtkEveryFilter
+gtk_every_filter_new
+<SUBSECTION Standard>
+GTK_CUSTOM_FILTER
+GTK_IS_CUSTOM_FILTER
+GTK_TYPE_CUSTOM_FILTER
+GTK_CUSTOM_FILTER_CLASS
+GTK_IS_CUSTOM_FILTER_CLASS
+GTK_CUSTOM_FILTER_GET_CLASS
+<SUBSECTION Private>
+gtk_custom_filter_get_type
+</SECTION>
+
<SECTION>
<FILE>gtkfilterlistmodel</FILE>
<TITLE>GtkFilterListModel</TITLE>
diff --git a/docs/reference/gtk/gtk4.types.in b/docs/reference/gtk/gtk4.types.in
index 83f53bdc7e..f4ce302500 100644
--- a/docs/reference/gtk/gtk4.types.in
+++ b/docs/reference/gtk/gtk4.types.in
@@ -9,6 +9,7 @@ gtk_accessible_get_type
gtk_actionable_get_type
gtk_action_bar_get_type
gtk_adjustment_get_type
+gtk_any_filter_get_type
gtk_app_chooser_get_type
gtk_app_chooser_button_get_type
gtk_app_chooser_dialog_get_type
@@ -68,6 +69,7 @@ gtk_event_controller_key_get_type
gtk_event_controller_legacy_get_type
gtk_event_controller_motion_get_type
gtk_event_controller_scroll_get_type
+gtk_every_filter_get_type
gtk_expander_get_type
gtk_file_chooser_button_get_type
gtk_file_chooser_dialog_get_type
@@ -128,6 +130,7 @@ gtk_menu_shell_get_type
gtk_menu_tool_button_get_type
gtk_message_dialog_get_type
gtk_mount_operation_get_type
+gtk_multi_filter_get_type
gtk_native_get_type
gtk_no_selection_get_type
gtk_notebook_get_type
diff --git a/gtk/gtk.h b/gtk/gtk.h
index d7985b8e7a..6edd812874 100644
--- a/gtk/gtk.h
+++ b/gtk/gtk.h
@@ -168,6 +168,7 @@
#include <gtk/gtkmenutoolbutton.h>
#include <gtk/gtkmessagedialog.h>
#include <gtk/gtkmountoperation.h>
+#include <gtk/gtkmultifilter.h>
#include <gtk/gtknative.h>
#include <gtk/gtknativedialog.h>
#include <gtk/gtknoselection.h>
diff --git a/gtk/gtkmultifilter.c b/gtk/gtkmultifilter.c
new file mode 100644
index 0000000000..c340f8ba34
--- /dev/null
+++ b/gtk/gtkmultifilter.c
@@ -0,0 +1,430 @@
+/*
+ * Copyright © 2019 Benjamin Otte
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library. If not, see <http://www.gnu.org/licenses/>.
+ *
+ * Authors: Benjamin Otte <otte gnome org>
+ */
+
+#include "config.h"
+
+#include "gtkmultifilter.h"
+
+#include "gtkbuildable.h"
+#include "gtkintl.h"
+#include "gtktypebuiltins.h"
+
+/*** MULTI FILTER ***/
+
+/**
+ * SECTION:gtkmultifilter
+ * @Title: GtkMultiFilter
+ * @Short_description: Combining multiple filter
+ *
+ * GtkMultiFilter is the base type that implements support for handling
+ * multiple filter.
+ *
+ * GtkAnyFilter is an implementation of GtkMultiFilter that matches an item
+ * when at least one of its filter matches.
+ *
+ * GtkEveryFilter is an implementation of GtkMultiFilter that matches an item
+ * when each of its child filter matches.
+ */
+struct _GtkMultiFilter
+{
+ GtkFilter parent_instance;
+
+ GSequence *filters;
+};
+
+struct _GtkMultiFilterClass
+{
+ GtkFilterClass parent_class;
+
+ GtkFilterChange addition_change;
+ GtkFilterChange removal_change;
+};
+
+static GType
+gtk_multi_filter_get_item_type (GListModel *list)
+{
+ return GTK_TYPE_FILTER;
+}
+
+static guint
+gtk_multi_filter_get_n_items (GListModel *list)
+{
+ GtkMultiFilter *self = GTK_MULTI_FILTER (list);
+
+ return g_sequence_get_length (self->filters);
+}
+
+static gpointer
+gtk_multi_filter_get_item (GListModel *list,
+ guint position)
+{
+ GtkMultiFilter *self = GTK_MULTI_FILTER (list);
+ GSequenceIter *iter;
+
+ iter = g_sequence_get_iter_at_pos (self->filters, position);
+
+ if (g_sequence_iter_is_end (iter))
+ return NULL;
+ else
+ return g_object_ref (g_sequence_get (iter));
+}
+
+static void
+gtk_multi_filter_list_model_init (GListModelInterface *iface)
+{
+ iface->get_item_type = gtk_multi_filter_get_item_type;
+ iface->get_n_items = gtk_multi_filter_get_n_items;
+ iface->get_item = gtk_multi_filter_get_item;
+}
+
+static GtkBuildableIface *parent_buildable_iface;
+
+static void
+gtk_multi_filter_buildable_add_child (GtkBuildable *buildable,
+ GtkBuilder *builder,
+ GObject *child,
+ const gchar *type)
+{
+ if (GTK_IS_FILTER (child))
+ gtk_multi_filter_append (GTK_MULTI_FILTER (buildable), g_object_ref (GTK_FILTER (child)));
+ else
+ parent_buildable_iface->add_child (buildable, builder, child, type);
+}
+
+static void
+gtk_multi_filter_buildable_init (GtkBuildableIface *iface)
+{
+ parent_buildable_iface = g_type_interface_peek_parent (iface);
+
+ iface->add_child = gtk_multi_filter_buildable_add_child;
+}
+
+G_DEFINE_ABSTRACT_TYPE_WITH_CODE (GtkMultiFilter, gtk_multi_filter, GTK_TYPE_FILTER,
+ G_IMPLEMENT_INTERFACE (G_TYPE_LIST_MODEL, gtk_multi_filter_list_model_init)
+ G_IMPLEMENT_INTERFACE (GTK_TYPE_BUILDABLE,
gtk_multi_filter_buildable_init))
+
+static void
+gtk_multi_filter_changed_cb (GtkFilter *filter,
+ GtkFilterChange change,
+ GtkMultiFilter *self)
+{
+ gtk_filter_changed (GTK_FILTER (self), change);
+}
+
+static void
+gtk_multi_filter_remove_iter (GtkMultiFilter *self,
+ GSequenceIter *iter)
+{
+ GtkFilter *filter;
+
+ filter = g_sequence_get (iter);
+ g_signal_handlers_disconnect_by_func (filter, gtk_multi_filter_changed_cb, self);
+ g_object_unref (filter);
+ g_sequence_remove (iter);
+}
+
+static void
+gtk_multi_filter_dispose (GObject *object)
+{
+ GtkMultiFilter *self = GTK_MULTI_FILTER (object);
+
+ while (!g_sequence_is_empty (self->filters))
+ gtk_multi_filter_remove_iter (self, g_sequence_get_begin_iter (self->filters));
+
+ G_OBJECT_CLASS (gtk_multi_filter_parent_class)->dispose (object);
+}
+
+static void
+gtk_multi_filter_finalize (GObject *object)
+{
+ GtkMultiFilter *self = GTK_MULTI_FILTER (object);
+
+ g_sequence_free (self->filters);
+
+ G_OBJECT_CLASS (gtk_multi_filter_parent_class)->finalize (object);
+}
+
+static void
+gtk_multi_filter_class_init (GtkMultiFilterClass *class)
+{
+ GObjectClass *object_class = G_OBJECT_CLASS (class);
+
+ object_class->dispose = gtk_multi_filter_dispose;
+ object_class->finalize = gtk_multi_filter_finalize;
+}
+
+static void
+gtk_multi_filter_init (GtkMultiFilter *self)
+{
+ self->filters = g_sequence_new (g_object_unref);
+}
+
+/**
+ * gtk_multi_filter_append:
+ * @self: a #GtkMultiFilter
+ * @filter: (tranfer none): A new filter to use
+ *
+ * Adds a @filter to @self to use for matching.
+ **/
+void
+gtk_multi_filter_append (GtkMultiFilter *self,
+ GtkFilter *filter)
+{
+ g_return_if_fail (GTK_IS_MULTI_FILTER (self));
+ g_return_if_fail (GTK_IS_FILTER (filter));
+
+ g_signal_connect (filter, "changed", G_CALLBACK (gtk_multi_filter_changed_cb), self);
+ g_sequence_append (self->filters, g_object_ref (filter));
+
+ gtk_filter_changed (GTK_FILTER (self),
+ GTK_MULTI_FILTER_GET_CLASS (self)->addition_change);
+}
+
+/**
+ * gtk_multi_filter_remove:
+ * @self: a #GtkMultiFilter
+ * @position: position of filter to remove
+ *
+ * Removes the filter at the given @position from the list of filters used
+ * by @self.
+ * If @position is larger than the number of filters, nothing happens and
+ * the function returns.
+ **/
+void
+gtk_multi_filter_remove (GtkMultiFilter *self,
+ guint position)
+{
+ GSequenceIter *iter;
+ guint length;
+
+ length = g_sequence_get_length (self->filters);
+ if (position >= length)
+ return;
+
+ iter = g_sequence_get_iter_at_pos (self->filters, position);
+ gtk_multi_filter_remove_iter (self, iter);
+
+ gtk_filter_changed (GTK_FILTER (self),
+ GTK_MULTI_FILTER_GET_CLASS (self)->removal_change);
+}
+
+/*** ANY FILTER ***/
+
+struct _GtkAnyFilter
+{
+ GtkMultiFilter parent_instance;
+};
+
+struct _GtkAnyFilterClass
+{
+ GtkMultiFilterClass parent_class;
+};
+
+G_DEFINE_TYPE (GtkAnyFilter, gtk_any_filter, GTK_TYPE_MULTI_FILTER)
+
+static gboolean
+gtk_any_filter_match (GtkFilter *filter,
+ gpointer item)
+{
+ GtkMultiFilter *self = GTK_MULTI_FILTER (filter);
+ GSequenceIter *iter;
+
+ for (iter = g_sequence_get_begin_iter (self->filters);
+ !g_sequence_iter_is_end (iter);
+ iter = g_sequence_iter_next (iter))
+ {
+ GtkFilter *child = g_sequence_get (iter);
+
+ if (gtk_filter_match (child, item))
+ return TRUE;
+ }
+
+ return FALSE;
+}
+
+static GtkFilterMatch
+gtk_any_filter_get_strictness (GtkFilter *filter)
+{
+ GtkMultiFilter *multi = GTK_MULTI_FILTER (filter);
+ GSequenceIter *iter;
+ GtkFilterMatch result = GTK_FILTER_MATCH_NONE;
+
+ for (iter = g_sequence_get_begin_iter (multi->filters);
+ !g_sequence_iter_is_end (iter);
+ iter = g_sequence_iter_next (iter))
+ {
+ GtkFilter *child = g_sequence_get (iter);
+
+ switch (gtk_filter_get_strictness (child))
+ {
+ case GTK_FILTER_MATCH_SOME:
+ result = GTK_FILTER_MATCH_SOME;
+ break;
+ case GTK_FILTER_MATCH_NONE:
+ break;
+ case GTK_FILTER_MATCH_ALL:
+ return GTK_FILTER_MATCH_ALL;
+ default:
+ g_return_val_if_reached (GTK_FILTER_MATCH_NONE);
+ break;
+ }
+ }
+
+ return result;
+}
+
+static void
+gtk_any_filter_class_init (GtkAnyFilterClass *class)
+{
+ GtkMultiFilterClass *multi_filter_class = GTK_MULTI_FILTER_CLASS (class);
+ GtkFilterClass *filter_class = GTK_FILTER_CLASS (class);
+
+ multi_filter_class->addition_change = GTK_FILTER_CHANGE_LESS_STRICT;
+ multi_filter_class->removal_change = GTK_FILTER_CHANGE_MORE_STRICT;
+
+ filter_class->match = gtk_any_filter_match;
+ filter_class->get_strictness = gtk_any_filter_get_strictness;
+}
+
+static void
+gtk_any_filter_init (GtkAnyFilter *self)
+{
+}
+
+/**
+ * gtk_any_filter_new:
+ *
+ * Creates a new empty "any" filter.
+ * Use gtk_multi_filter_append() to add filters to it.
+ *
+ * This filter matches an item if any of the filters added to it
+ * matches the item.
+ * In particular, this means that if no filter has been added to
+ * it, the filter matches no item.
+ *
+ * Returns: a new #GtkFilter
+ **/
+GtkFilter *
+gtk_any_filter_new (void)
+{
+ return g_object_new (GTK_TYPE_ANY_FILTER, NULL);
+}
+
+/*** EVERY FILTER ***/
+
+struct _GtkEveryFilter
+{
+ GtkMultiFilter parent_instance;
+};
+
+struct _GtkEveryFilterClass
+{
+ GtkMultiFilterClass parent_class;
+};
+
+G_DEFINE_TYPE (GtkEveryFilter, gtk_every_filter, GTK_TYPE_MULTI_FILTER)
+
+static gboolean
+gtk_every_filter_match (GtkFilter *filter,
+ gpointer item)
+{
+ GtkMultiFilter *self = GTK_MULTI_FILTER (filter);
+ GSequenceIter *iter;
+
+ for (iter = g_sequence_get_begin_iter (self->filters);
+ !g_sequence_iter_is_end (iter);
+ iter = g_sequence_iter_next (iter))
+ {
+ GtkFilter *child = g_sequence_get (iter);
+
+ if (!gtk_filter_match (child, item))
+ return FALSE;
+ }
+
+ return TRUE;
+}
+
+static GtkFilterMatch
+gtk_every_filter_get_strictness (GtkFilter *filter)
+{
+ GtkMultiFilter *multi = GTK_MULTI_FILTER (filter);
+ GSequenceIter *iter;
+ GtkFilterMatch result = GTK_FILTER_MATCH_ALL;
+
+ for (iter = g_sequence_get_begin_iter (multi->filters);
+ !g_sequence_iter_is_end (iter);
+ iter = g_sequence_iter_next (iter))
+ {
+ GtkFilter *child = g_sequence_get (iter);
+
+ switch (gtk_filter_get_strictness (child))
+ {
+ case GTK_FILTER_MATCH_SOME:
+ result = GTK_FILTER_MATCH_SOME;
+ break;
+ case GTK_FILTER_MATCH_NONE:
+ return GTK_FILTER_MATCH_NONE;
+ case GTK_FILTER_MATCH_ALL:
+ break;
+ default:
+ g_return_val_if_reached (GTK_FILTER_MATCH_NONE);
+ break;
+ }
+ }
+
+ return result;
+}
+
+static void
+gtk_every_filter_class_init (GtkEveryFilterClass *class)
+{
+ GtkMultiFilterClass *multi_filter_class = GTK_MULTI_FILTER_CLASS (class);
+ GtkFilterClass *filter_class = GTK_FILTER_CLASS (class);
+
+ multi_filter_class->addition_change = GTK_FILTER_CHANGE_MORE_STRICT;
+ multi_filter_class->removal_change = GTK_FILTER_CHANGE_LESS_STRICT;
+
+ filter_class->match = gtk_every_filter_match;
+ filter_class->get_strictness = gtk_every_filter_get_strictness;
+}
+
+static void
+gtk_every_filter_init (GtkEveryFilter *self)
+{
+}
+
+/**
+ * gtk_every_filter_new:
+ *
+ * Creates a new empty "every" filter.
+ * Use gtk_multi_filter_append() to add filters to it.
+ *
+ * This filter matches an item if every of the filters added to it
+ * matches the item.
+ * In particular, this means that if no filter has been added to
+ * it, the filter matches every item.
+ *
+ * Returns: a new #GtkFilter
+ **/
+GtkFilter *
+gtk_every_filter_new (void)
+{
+ return g_object_new (GTK_TYPE_EVERY_FILTER, NULL);
+}
+
diff --git a/gtk/gtkmultifilter.h b/gtk/gtkmultifilter.h
new file mode 100644
index 0000000000..eafa56e1d0
--- /dev/null
+++ b/gtk/gtkmultifilter.h
@@ -0,0 +1,58 @@
+/*
+ * Copyright © 2019 Benjamin Otte
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library. If not, see <http://www.gnu.org/licenses/>.
+ *
+ * Authors: Benjamin Otte <otte gnome org>
+ */
+
+#ifndef __GTK_MULTI_FILTER_H__
+#define __GTK_MULTI_FILTER_H__
+
+#if !defined (__GTK_H_INSIDE__) && !defined (GTK_COMPILATION)
+#error "Only <gtk/gtk.h> can be included directly."
+#endif
+
+#include <gtk/gtkfilter.h>
+#include <gtk/gtktypes.h>
+
+G_BEGIN_DECLS
+
+#define GTK_TYPE_MULTI_FILTER (gtk_multi_filter_get_type ())
+GDK_AVAILABLE_IN_ALL
+GDK_DECLARE_EXPORTED_TYPE (GtkMultiFilter, gtk_multi_filter, GTK, MULTI_FILTER)
+
+GDK_AVAILABLE_IN_ALL
+void gtk_multi_filter_append (GtkMultiFilter *self,
+ GtkFilter *filter);
+GDK_AVAILABLE_IN_ALL
+void gtk_multi_filter_remove (GtkMultiFilter *self,
+ guint position);
+
+#define GTK_TYPE_ANY_FILTER (gtk_any_filter_get_type ())
+GDK_AVAILABLE_IN_ALL
+GDK_DECLARE_EXPORTED_TYPE (GtkAnyFilter, gtk_any_filter, GTK, ANY_FILTER)
+GDK_AVAILABLE_IN_ALL
+GtkFilter * gtk_any_filter_new (void);
+
+#define GTK_TYPE_EVERY_FILTER (gtk_every_filter_get_type ())
+GDK_AVAILABLE_IN_ALL
+GDK_DECLARE_EXPORTED_TYPE (GtkEveryFilter, gtk_every_filter, GTK, EVERY_FILTER)
+GDK_AVAILABLE_IN_ALL
+GtkFilter * gtk_every_filter_new (void);
+
+
+G_END_DECLS
+
+#endif /* __GTK_MULTI_FILTER_H__ */
diff --git a/gtk/meson.build b/gtk/meson.build
index e60c6be558..7624f7a7cd 100644
--- a/gtk/meson.build
+++ b/gtk/meson.build
@@ -299,6 +299,7 @@ gtk_public_sources = files([
'gtkmodelmenuitem.c',
'gtkmodules.c',
'gtkmountoperation.c',
+ 'gtkmultifilter.c',
'gtknativedialog.c',
'gtknomediafile.c',
'gtknoselection.c',
@@ -564,6 +565,7 @@ gtk_public_headers = files([
'gtkmenutoolbutton.h',
'gtkmessagedialog.h',
'gtkmountoperation.h',
+ 'gtkmultifilter.h',
'gtknative.h',
'gtknativedialog.h',
'gtknoselection.h',
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