summaryrefslogtreecommitdiffstats
path: root/subprojects/libgd/libgd/gd-main-box-generic.c
diff options
context:
space:
mode:
Diffstat (limited to '')
-rw-r--r--subprojects/libgd/libgd/gd-main-box-generic.c491
1 files changed, 491 insertions, 0 deletions
diff --git a/subprojects/libgd/libgd/gd-main-box-generic.c b/subprojects/libgd/libgd/gd-main-box-generic.c
new file mode 100644
index 0000000..0d18764
--- /dev/null
+++ b/subprojects/libgd/libgd/gd-main-box-generic.c
@@ -0,0 +1,491 @@
+/*
+ * Copyright (c) 2016, 2017 Red Hat, Inc.
+ *
+ * This program 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 of the License, or (at your
+ * option) any later version.
+ *
+ * This program 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 program; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ *
+ * Author: Debarshi Ray <debarshir@gnome.org>
+ *
+ */
+
+#include "gd-main-box-generic.h"
+#include "gd-main-box-item.h"
+
+enum
+{
+ ITEM_ACTIVATED,
+ SELECTION_CHANGED,
+ SELECTION_MODE_REQUEST,
+ NUM_SIGNALS
+};
+
+static guint signals[NUM_SIGNALS] = { 0, };
+
+G_DEFINE_INTERFACE (GdMainBoxGeneric, gd_main_box_generic, GTK_TYPE_WIDGET)
+
+static void
+gd_main_box_generic_mark_range_as_selected (GdMainBoxGeneric *self, gint first_element, gint last_element)
+{
+ gint i;
+
+ if (first_element > last_element)
+ {
+ gint tmp;
+
+ tmp = first_element;
+ first_element = last_element;
+ last_element = tmp;
+ }
+
+ for (i = first_element; i <= last_element; i++)
+ {
+ GdMainBoxChild *child;
+
+ child = gd_main_box_generic_get_child_at_index (self, i);
+ gd_main_box_generic_select_child (self, child);
+ }
+}
+
+static void
+gd_main_box_generic_select_range (GdMainBoxGeneric *self, GdMainBoxChild *child)
+{
+ GListModel *model;
+ const gchar *last_selected_id;
+ gint index;
+ gint other_index = -1;
+ guint n_items;
+
+ model = gd_main_box_generic_get_model (self);
+ n_items = g_list_model_get_n_items (model);
+
+ last_selected_id = gd_main_box_generic_get_last_selected_id (self);
+ index = gd_main_box_child_get_index (child);
+
+ if (last_selected_id != NULL)
+ {
+ guint i;
+
+ for (i = 0; i < n_items; i++)
+ {
+ GdMainBoxItem *item;
+ const gchar *id;
+
+ item = GD_MAIN_BOX_ITEM (g_list_model_get_object (model, i));
+ id = gd_main_box_item_get_id (item);
+
+ if (g_strcmp0 (id, last_selected_id) == 0)
+ {
+ other_index = (gint) i;
+ g_object_unref (item);
+ break;
+ }
+
+ g_object_unref (item);
+ }
+ }
+
+ if (other_index == -1)
+ {
+ gint i;
+
+ for (i = index - 1; i >= 0; i--)
+ {
+ GdMainBoxChild *other;
+
+ other = gd_main_box_generic_get_child_at_index (self, i);
+ if (gd_main_box_child_get_selected (other))
+ {
+ other_index = i;
+ break;
+ }
+ }
+ }
+
+ if (other_index == -1)
+ {
+ gint i;
+
+ for (i = index + 1; i < (gint) n_items; i++)
+ {
+ GdMainBoxChild *other;
+
+ other = gd_main_box_generic_get_child_at_index (self, i);
+ if (gd_main_box_child_get_selected (other))
+ {
+ other_index = i;
+ break;
+ }
+ }
+ }
+
+ if (other_index == -1)
+ gd_main_box_generic_select_child (self, child);
+ else
+ gd_main_box_generic_mark_range_as_selected (self, index, other_index);
+}
+
+static void
+gd_main_box_generic_default_init (GdMainBoxGenericInterface *iface)
+{
+ GParamSpec *pspec;
+
+ /**
+ * GdMainBoxGeneric:last-selected-id:
+ *
+ * A unique ID to identify the #GdMainBoxItem object that was most
+ * recently selected.
+ */
+ pspec = g_param_spec_string ("last-selected-id",
+ "ID",
+ "A unique ID to identify the most recently selected item",
+ NULL,
+ G_PARAM_EXPLICIT_NOTIFY | G_PARAM_READABLE | G_PARAM_STATIC_STRINGS);
+ g_object_interface_install_property (iface, pspec);
+
+ /**
+ * GdMainBoxGeneric:model:
+ *
+ * A #GListModel that is rendered by the #GdMainBoxGeneric widget.
+ */
+ pspec = g_param_spec_object ("model",
+ "Model",
+ "A model that is rendered by the widget",
+ G_TYPE_LIST_MODEL,
+ G_PARAM_EXPLICIT_NOTIFY | G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS);
+ g_object_interface_install_property (iface, pspec);
+
+ /**
+ * GdMainBoxGeneric:gd-selection-mode:
+ *
+ * Whether the #GdMainBoxGeneric widget is in selection mode.
+ */
+ pspec = g_param_spec_boolean ("gd-selection-mode",
+ "Selection Mode",
+ "Whether the widget is in selection mode",
+ FALSE,
+ G_PARAM_EXPLICIT_NOTIFY | G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS);
+ g_object_interface_install_property (iface, pspec);
+
+ /**
+ * GdMainBoxGeneric:show-primary-text:
+ *
+ * Whether the #GdMainBoxGeneric widget is going to show the
+ * primary-text of each #GdMainBoxItem.
+ */
+ pspec = g_param_spec_boolean ("show-primary-text",
+ "Show Primary Text",
+ "Whether each GdMainBoxItem's primary-text is going to be shown",
+ FALSE,
+ G_PARAM_EXPLICIT_NOTIFY | G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS);
+ g_object_interface_install_property (iface, pspec);
+
+ /**
+ * GdMainBoxGeneric:show-secondary-text:
+ *
+ * Whether the #GdMainBoxGeneric widget is going to show the
+ * secondary-text of each #GdMainBoxItem.
+ */
+ pspec = g_param_spec_boolean ("show-secondary-text",
+ "Show Secondary Text",
+ "Whether each GdMainBoxItem's secondary-text is going to be shown",
+ FALSE,
+ G_PARAM_EXPLICIT_NOTIFY | G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS);
+ g_object_interface_install_property (iface, pspec);
+
+ signals[ITEM_ACTIVATED] = g_signal_new ("item-activated",
+ GD_TYPE_MAIN_BOX_GENERIC,
+ G_SIGNAL_RUN_LAST,
+ 0,
+ NULL,
+ NULL,
+ g_cclosure_marshal_VOID__OBJECT,
+ G_TYPE_NONE,
+ 1,
+ GD_TYPE_MAIN_BOX_CHILD);
+
+ signals[SELECTION_CHANGED] = g_signal_new ("selection-changed",
+ GD_TYPE_MAIN_BOX_GENERIC,
+ G_SIGNAL_RUN_LAST,
+ 0,
+ NULL,
+ NULL,
+ g_cclosure_marshal_VOID__VOID,
+ G_TYPE_NONE,
+ 0);
+
+ signals[SELECTION_MODE_REQUEST] = g_signal_new ("selection-mode-request",
+ GD_TYPE_MAIN_BOX_GENERIC,
+ G_SIGNAL_RUN_LAST,
+ 0,
+ NULL,
+ NULL,
+ g_cclosure_marshal_VOID__VOID,
+ G_TYPE_NONE,
+ 0);
+}
+
+/**
+ * gd_main_box_generic_get_child_at_index:
+ * @self:
+ * @index:
+ *
+ * Returns: (transfer none): The child at @index.
+ */
+GdMainBoxChild *
+gd_main_box_generic_get_child_at_index (GdMainBoxGeneric *self, gint index)
+{
+ GdMainBoxGenericInterface *iface;
+
+ g_return_val_if_fail (GD_IS_MAIN_BOX_GENERIC (self), NULL);
+
+ iface = GD_MAIN_BOX_GENERIC_GET_IFACE (self);
+
+ return (* iface->get_child_at_index) (self, index);
+}
+
+/**
+ * gd_main_box_generic_get_last_selected_id:
+ * @self:
+ *
+ * Returns: (transfer none): The ID of the most recently selected #GdMainBoxItem.
+ */
+const gchar *
+gd_main_box_generic_get_last_selected_id (GdMainBoxGeneric *self)
+{
+ GdMainBoxGenericInterface *iface;
+
+ g_return_val_if_fail (GD_IS_MAIN_BOX_GENERIC (self), NULL);
+
+ iface = GD_MAIN_BOX_GENERIC_GET_IFACE (self);
+
+ return (* iface->get_last_selected_id) (self);
+}
+
+/**
+ * gd_main_box_generic_get_model:
+ * @self:
+ *
+ * Returns: (transfer none): The associated model
+ */
+GListModel *
+gd_main_box_generic_get_model (GdMainBoxGeneric *self)
+{
+ GdMainBoxGenericInterface *iface;
+
+ g_return_val_if_fail (GD_IS_MAIN_BOX_GENERIC (self), NULL);
+
+ iface = GD_MAIN_BOX_GENERIC_GET_IFACE (self);
+
+ return (* iface->get_model) (self);
+}
+
+/**
+ * gd_main_box_generic_get_selected_children:
+ * @self:
+ *
+ * Returns: (element-type GdMainBoxChild) (transfer container): The
+ * selected children
+ */
+GList *
+gd_main_box_generic_get_selected_children (GdMainBoxGeneric *self)
+{
+ GdMainBoxGenericInterface *iface;
+
+ g_return_val_if_fail (GD_IS_MAIN_BOX_GENERIC (self), NULL);
+
+ iface = GD_MAIN_BOX_GENERIC_GET_IFACE (self);
+
+ return (* iface->get_selected_children) (self);
+}
+
+/**
+ * gd_main_box_generic_get_selection_mode:
+ * @self:
+ *
+ * Returns: (transfer none): Whether @self is in selection mode
+ */
+gboolean
+gd_main_box_generic_get_selection_mode (GdMainBoxGeneric *self)
+{
+ gboolean selection_mode;
+
+ g_return_val_if_fail (GD_IS_MAIN_BOX_GENERIC (self), FALSE);
+
+ g_object_get (self, "gd-selection-mode", &selection_mode, NULL);
+ return selection_mode;
+}
+
+/**
+ * gd_main_box_generic_get_show_primary_text:
+ * @self:
+ *
+ * Returns: (transfer none): Whether @self is going to show the
+ * primary-text of each #GdMainBoxItem
+ */
+gboolean
+gd_main_box_generic_get_show_primary_text (GdMainBoxGeneric *self)
+{
+ gboolean show_primary_text;
+
+ g_return_val_if_fail (GD_IS_MAIN_BOX_GENERIC (self), FALSE);
+
+ g_object_get (self, "show-primary-text", &show_primary_text, NULL);
+ return show_primary_text;
+}
+
+/**
+ * gd_main_box_generic_get_show_secondary_text:
+ * @self:
+ *
+ * Returns: (transfer none): Whether @self is going to show the
+ * secondary-text of each #GdMainBoxItem
+ */
+gboolean
+gd_main_box_generic_get_show_secondary_text (GdMainBoxGeneric *self)
+{
+ gboolean show_secondary_text;
+
+ g_return_val_if_fail (GD_IS_MAIN_BOX_GENERIC (self), FALSE);
+
+ g_object_get (self, "show-secondary-text", &show_secondary_text, NULL);
+ return show_secondary_text;
+}
+
+void
+gd_main_box_generic_select_all (GdMainBoxGeneric *self)
+{
+ GdMainBoxGenericInterface *iface;
+
+ g_return_if_fail (GD_IS_MAIN_BOX_GENERIC (self));
+
+ iface = GD_MAIN_BOX_GENERIC_GET_IFACE (self);
+
+ (* iface->select_all) (self);
+}
+
+void
+gd_main_box_generic_select_child (GdMainBoxGeneric *self, GdMainBoxChild *child)
+{
+ GdMainBoxGenericInterface *iface;
+
+ g_return_if_fail (GD_IS_MAIN_BOX_GENERIC (self));
+ g_return_if_fail (GD_IS_MAIN_BOX_CHILD (child));
+
+ iface = GD_MAIN_BOX_GENERIC_GET_IFACE (self);
+
+ (* iface->select_child) (self, child);
+}
+
+/**
+ * gd_main_box_generic_set_model:
+ * @self:
+ * @model: (allow-none):
+ *
+ */
+void
+gd_main_box_generic_set_model (GdMainBoxGeneric *self, GListModel *model)
+{
+ g_return_if_fail (GD_IS_MAIN_BOX_GENERIC (self));
+ g_return_if_fail (model == NULL || G_IS_LIST_MODEL (model));
+
+ g_object_set (self, "model", model, NULL);
+}
+
+/**
+ * gd_main_box_generic_set_selection_mode:
+ * @self:
+ * @selection_mode:
+ *
+ */
+void
+gd_main_box_generic_set_selection_mode (GdMainBoxGeneric *self, gboolean selection_mode)
+{
+ g_return_if_fail (GD_IS_MAIN_BOX_GENERIC (self));
+ g_object_set (self, "gd-selection-mode", selection_mode, NULL);
+}
+
+/**
+ * gd_main_box_generic_set_show_primary_text:
+ * @self:
+ * @show_primary_text:
+ *
+ */
+void
+gd_main_box_generic_set_show_primary_text (GdMainBoxGeneric *self, gboolean show_primary_text)
+{
+ g_return_if_fail (GD_IS_MAIN_BOX_GENERIC (self));
+ g_object_set (self, "show-primary-text", show_primary_text, NULL);
+}
+
+/**
+ * gd_main_box_generic_set_show_secondary_text:
+ * @self:
+ * @show_secondary_text:
+ *
+ */
+void
+gd_main_box_generic_set_show_secondary_text (GdMainBoxGeneric *self, gboolean show_secondary_text)
+{
+ g_return_if_fail (GD_IS_MAIN_BOX_GENERIC (self));
+ g_object_set (self, "show-secondary-text", show_secondary_text, NULL);
+}
+
+void
+gd_main_box_generic_unselect_all (GdMainBoxGeneric *self)
+{
+ GdMainBoxGenericInterface *iface;
+
+ g_return_if_fail (GD_IS_MAIN_BOX_GENERIC (self));
+
+ iface = GD_MAIN_BOX_GENERIC_GET_IFACE (self);
+
+ (* iface->unselect_all) (self);
+}
+
+void
+gd_main_box_generic_unselect_child (GdMainBoxGeneric *self, GdMainBoxChild *child)
+{
+ GdMainBoxGenericInterface *iface;
+
+ g_return_if_fail (GD_IS_MAIN_BOX_GENERIC (self));
+ g_return_if_fail (GD_IS_MAIN_BOX_CHILD (child));
+
+ iface = GD_MAIN_BOX_GENERIC_GET_IFACE (self);
+
+ (* iface->unselect_child) (self, child);
+}
+
+void
+gd_main_box_generic_toggle_selection_for_child (GdMainBoxGeneric *self,
+ GdMainBoxChild *child,
+ gboolean select_range)
+{
+ GListModel *model;
+
+ model = gd_main_box_generic_get_model (self);
+ if (model == NULL)
+ return;
+
+ if (gd_main_box_child_get_selected (child))
+ {
+ gd_main_box_generic_unselect_child (self, child);
+ }
+ else
+ {
+ if (select_range)
+ gd_main_box_generic_select_range (self, child);
+ else
+ gd_main_box_generic_select_child (self, child);
+ }
+}
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-24 13:04:19 +0000