[gtk/listview-for-merge: 122/163] listitem: Make this a GObject
- From: Matthias Clasen <matthiasc src gnome org>
- To: commits-list gnome org
- Cc:
- Subject: [gtk/listview-for-merge: 122/163] listitem: Make this a GObject
- Date: Sat, 30 May 2020 22:09:25 +0000 (UTC)
commit 5d99ca6baba22b5fadaafcb77e9f9e686e7be1be
Author: Benjamin Otte <otte redhat com>
Date: Fri Nov 1 07:31:38 2019 +0100
listitem: Make this a GObject
This splits GtkListItem into 2 parts:
1. GtkListItem
This is purely a GObject with public API for developers who want to
populate lists. There is no chance to cause conflict with GtkWidget
properties that the list implementation assumed control over and
defines a clear boundary.
2. GtkListItemWidget
The widget part of the listitem. This is not only fully in control of
the list machinery, the machinery can also use different widget
implementations for different list widgets like I inted to for
GtkColumnView.
docs/reference/gtk/meson.build | 1 +
gtk/gtklistbase.c | 5 +-
gtk/gtklistbase.h | 1 -
gtk/gtklistitem.c | 313 ++---------------------------
gtk/gtklistitemmanager.c | 56 +++---
gtk/gtklistitemmanagerprivate.h | 2 +-
gtk/gtklistitemprivate.h | 19 +-
gtk/gtklistitemwidget.c | 426 ++++++++++++++++++++++++++++++++++++++++
gtk/gtklistitemwidgetprivate.h | 81 ++++++++
gtk/meson.build | 1 +
tests/testlistview.c | 5 +-
11 files changed, 570 insertions(+), 340 deletions(-)
---
diff --git a/docs/reference/gtk/meson.build b/docs/reference/gtk/meson.build
index aa1bfdf057..7c6ae15dad 100644
--- a/docs/reference/gtk/meson.build
+++ b/docs/reference/gtk/meson.build
@@ -137,6 +137,7 @@ private_headers = [
'gtklistitemprivate.h',
'gtklistitemfactoryprivate.h',
'gtklistitemmanagerprivate.h',
+ 'gtklistitemwidgetprivate.h',
'gtklockbuttonprivate.h',
'gtkmagnifierprivate.h',
'gtkmediafileprivate.h',
diff --git a/gtk/gtklistbase.c b/gtk/gtklistbase.c
index e3603e35e1..8ec9bc8784 100644
--- a/gtk/gtklistbase.c
+++ b/gtk/gtklistbase.c
@@ -23,6 +23,7 @@
#include "gtkadjustment.h"
#include "gtkintl.h"
+#include "gtklistitemwidgetprivate.h"
#include "gtkorientableprivate.h"
#include "gtkscrollable.h"
#include "gtksingleselection.h"
@@ -749,10 +750,10 @@ gtk_list_base_update_focus_tracker (GtkListBase *self)
guint pos;
focus_child = gtk_widget_get_focus_child (GTK_WIDGET (self));
- if (!GTK_IS_LIST_ITEM (focus_child))
+ if (!GTK_IS_LIST_ITEM_WIDGET (focus_child))
return;
- pos = gtk_list_item_get_position (GTK_LIST_ITEM (focus_child));
+ pos = gtk_list_item_widget_get_position (GTK_LIST_ITEM_WIDGET (focus_child));
if (pos != gtk_list_item_tracker_get_position (priv->item_manager, priv->focus))
{
gtk_list_item_tracker_set_position (priv->item_manager,
diff --git a/gtk/gtklistbase.h b/gtk/gtklistbase.h
index 7b33edeec7..24e616184c 100644
--- a/gtk/gtklistbase.h
+++ b/gtk/gtklistbase.h
@@ -25,7 +25,6 @@
#endif
#include <gtk/gtkwidget.h>
-#include <gtk/gtklistitem.h>
G_BEGIN_DECLS
diff --git a/gtk/gtklistitem.c b/gtk/gtklistitem.c
index 05b5fa1e8e..ee50eb42ab 100644
--- a/gtk/gtklistitem.c
+++ b/gtk/gtklistitem.c
@@ -21,14 +21,7 @@
#include "gtklistitemprivate.h"
-#include "gtkbinlayout.h"
-#include "gtkcssnodeprivate.h"
-#include "gtkeventcontrollerfocus.h"
-#include "gtkgestureclick.h"
#include "gtkintl.h"
-#include "gtkmain.h"
-#include "gtkwidget.h"
-#include "gtkwidgetprivate.h"
/**
* SECTION:gtklistitem
@@ -53,24 +46,9 @@
* The #GtkListItem:item property is not %NULL.
*/
-struct _GtkListItem
-{
- GtkWidget parent_instance;
-
- GObject *item;
- GtkWidget *child;
- guint position;
-
- guint activatable : 1;
- guint selectable : 1;
- guint selected : 1;
-};
-
struct _GtkListItemClass
{
- GtkWidgetClass parent_class;
-
- void (* activate_signal) (GtkListItem *self);
+ GObjectClass parent_class;
};
enum
@@ -86,81 +64,17 @@ enum
N_PROPS
};
-enum
-{
- ACTIVATE_SIGNAL,
- LAST_SIGNAL
-};
-
-G_DEFINE_TYPE (GtkListItem, gtk_list_item, GTK_TYPE_WIDGET)
+G_DEFINE_TYPE (GtkListItem, gtk_list_item, G_TYPE_OBJECT)
static GParamSpec *properties[N_PROPS] = { NULL, };
-static guint signals[LAST_SIGNAL] = { 0 };
-
-static void
-gtk_list_item_activate_signal (GtkListItem *self)
-{
- if (!self->activatable)
- return;
-
- gtk_widget_activate_action (GTK_WIDGET (self),
- "list.activate-item",
- "u",
- self->position);
-}
-
-static gboolean
-gtk_list_item_focus (GtkWidget *widget,
- GtkDirectionType direction)
-{
- GtkListItem *self = GTK_LIST_ITEM (widget);
-
- /* The idea of this function is the following:
- * 1. If any child can take focus, do not ever attempt
- * to take focus.
- * 2. Otherwise, if this item is selectable or activatable,
- * allow focusing this widget.
- *
- * This makes sure every item in a list is focusable for
- * activation and selection handling, but no useless widgets
- * get focused and moving focus is as fast as possible.
- */
- if (self->child)
- {
- if (gtk_widget_get_focus_child (widget))
- return FALSE;
- if (gtk_widget_child_focus (self->child, direction))
- return TRUE;
- }
-
- if (gtk_widget_is_focus (widget))
- return FALSE;
-
- if (!gtk_widget_get_can_focus (widget) ||
- !self->selectable)
- return FALSE;
-
- return gtk_widget_grab_focus (widget);
-}
-
-static gboolean
-gtk_list_item_grab_focus (GtkWidget *widget)
-{
- GtkListItem *self = GTK_LIST_ITEM (widget);
-
- if (self->child && gtk_widget_grab_focus (self->child))
- return TRUE;
-
- return GTK_WIDGET_CLASS (gtk_list_item_parent_class)->grab_focus (widget);
-}
static void
gtk_list_item_dispose (GObject *object)
{
GtkListItem *self = GTK_LIST_ITEM (object);
- g_assert (self->item == NULL);
- g_clear_pointer (&self->child, gtk_widget_unparent);
+ g_assert (self->owner == NULL); /* would hold a reference */
+ g_clear_object (&self->child);
G_OBJECT_CLASS (gtk_list_item_parent_class)->dispose (object);
}
@@ -233,36 +147,11 @@ gtk_list_item_set_property (GObject *object,
}
}
-static void
-gtk_list_item_select_action (GtkWidget *widget,
- const char *action_name,
- GVariant *parameter)
-{
- GtkListItem *self = GTK_LIST_ITEM (widget);
- gboolean modify, extend;
-
- if (!self->selectable)
- return;
-
- g_variant_get (parameter, "(bb)", &modify, &extend);
-
- gtk_widget_activate_action (GTK_WIDGET (self),
- "list.select-item",
- "(ubb)",
- self->position, modify, extend);
-}
-
static void
gtk_list_item_class_init (GtkListItemClass *klass)
{
- GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (klass);
GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
- klass->activate_signal = gtk_list_item_activate_signal;
-
- widget_class->focus = gtk_list_item_focus;
- widget_class->grab_focus = gtk_list_item_grab_focus;
-
gobject_class->dispose = gtk_list_item_dispose;
gobject_class->get_property = gtk_list_item_get_property;
gobject_class->set_property = gtk_list_item_set_property;
@@ -340,197 +229,25 @@ gtk_list_item_class_init (GtkListItemClass *klass)
G_PARAM_READABLE | G_PARAM_EXPLICIT_NOTIFY | G_PARAM_STATIC_STRINGS);
g_object_class_install_properties (gobject_class, N_PROPS, properties);
-
- /**
- * GtkListItem::activate-signal:
- *
- * This is a keybinding signal, which will cause this row to be activated.
- *
- * Do not use it, it is an implementation detail.
- *
- * If you want to be notified when the user activates a listitem (by key or not),
- * look at the list widget this item is contained in.
- */
- signals[ACTIVATE_SIGNAL] =
- g_signal_new (I_("activate-keybinding"),
- G_OBJECT_CLASS_TYPE (gobject_class),
- G_SIGNAL_RUN_FIRST | G_SIGNAL_ACTION,
- G_STRUCT_OFFSET (GtkListItemClass, activate_signal),
- NULL, NULL,
- NULL,
- G_TYPE_NONE, 0);
-
- widget_class->activate_signal = signals[ACTIVATE_SIGNAL];
-
- /**
- * GtkListItem|listitem.select:
- * @modify: %TRUE to toggle the existing selection, %FALSE to select
- * @extend: %TRUE to extend the selection
- *
- * Changes selection if the item is selectable.
- * If the item is not selectable, nothing happens.
- *
- * This function will emit the list.select-item action and the resulting
- * behavior, in particular the interpretation of @modify and @extend
- * depends on the view containing this listitem. See for example
- * GtkListView|list.select-item or GtkGridView|list.select-item.
- */
- gtk_widget_class_install_action (widget_class,
- "listitem.select",
- "(bb)",
- gtk_list_item_select_action);
-
- gtk_widget_class_add_binding_signal (widget_class, GDK_KEY_Return, 0,
- "activate-keybinding", 0);
- gtk_widget_class_add_binding_signal (widget_class, GDK_KEY_ISO_Enter, 0,
- "activate-keybinding", 0);
- gtk_widget_class_add_binding_signal (widget_class, GDK_KEY_KP_Enter, 0,
- "activate-keybinding", 0);
-
- /* note that some of these may get overwritten by child widgets,
- * such as GtkTreeExpander */
- gtk_widget_class_add_binding_action (widget_class, GDK_KEY_space, 0,
- "listitem.select", "(bb)", TRUE, FALSE);
- gtk_widget_class_add_binding_action (widget_class, GDK_KEY_space, GDK_CONTROL_MASK,
- "listitem.select", "(bb)", TRUE, FALSE);
- gtk_widget_class_add_binding_action (widget_class, GDK_KEY_space, GDK_SHIFT_MASK,
- "listitem.select", "(bb)", TRUE, FALSE);
- gtk_widget_class_add_binding_action (widget_class, GDK_KEY_space, GDK_CONTROL_MASK | GDK_SHIFT_MASK,
- "listitem.select", "(bb)", TRUE, FALSE);
- gtk_widget_class_add_binding_action (widget_class, GDK_KEY_KP_Space, 0,
- "listitem.select", "(bb)", TRUE, FALSE);
- gtk_widget_class_add_binding_action (widget_class, GDK_KEY_KP_Space, GDK_CONTROL_MASK,
- "listitem.select", "(bb)", TRUE, FALSE);
- gtk_widget_class_add_binding_action (widget_class, GDK_KEY_KP_Space, GDK_SHIFT_MASK,
- "listitem.select", "(bb)", TRUE, FALSE);
- gtk_widget_class_add_binding_action (widget_class, GDK_KEY_KP_Space, GDK_CONTROL_MASK | GDK_SHIFT_MASK,
- "listitem.select", "(bb)", TRUE, FALSE);
-
- /* This gets overwritten by gtk_list_item_new() but better safe than sorry */
- gtk_widget_class_set_css_name (widget_class, I_("row"));
- gtk_widget_class_set_layout_manager_type (widget_class, GTK_TYPE_BIN_LAYOUT);
-}
-
-static void
-gtk_list_item_click_gesture_pressed (GtkGestureClick *gesture,
- int n_press,
- double x,
- double y,
- GtkListItem *self)
-{
- GtkWidget *widget = GTK_WIDGET (self);
-
- if (!self->selectable && !self->activatable)
- {
- gtk_gesture_set_state (GTK_GESTURE (gesture), GTK_EVENT_SEQUENCE_DENIED);
- return;
- }
-
- if (self->selectable)
- {
- GdkModifierType state;
- GdkEvent *event;
- gboolean extend, modify;
-
- event = gtk_gesture_get_last_event (GTK_GESTURE (gesture),
- gtk_gesture_single_get_current_sequence (GTK_GESTURE_SINGLE
(gesture)));
- state = gdk_event_get_modifier_state (event);
- extend = (state & GDK_SHIFT_MASK) != 0;
- modify = (state & GDK_CONTROL_MASK) != 0;
-
- gtk_widget_activate_action (widget,
- "list.select-item",
- "(ubb)",
- self->position, modify, extend);
- }
-
- if (self->activatable)
- {
- if (n_press == 2)
- {
- gtk_widget_activate_action (widget,
- "list.activate-item",
- "u",
- self->position);
- }
- }
-
- gtk_widget_set_state_flags (widget, GTK_STATE_FLAG_ACTIVE, FALSE);
-
- if (gtk_widget_get_focus_on_click (widget))
- gtk_widget_grab_focus (widget);
-}
-
-static void
-gtk_list_item_enter_cb (GtkEventControllerFocus *controller,
- GtkListItem *self)
-{
- GtkWidget *widget = GTK_WIDGET (self);
-
- gtk_widget_activate_action (widget,
- "list.scroll-to-item",
- "u",
- self->position);
-}
-
-static void
-gtk_list_item_click_gesture_released (GtkGestureClick *gesture,
- int n_press,
- double x,
- double y,
- GtkListItem *self)
-{
- gtk_widget_unset_state_flags (GTK_WIDGET (self), GTK_STATE_FLAG_ACTIVE);
-}
-
-static void
-gtk_list_item_click_gesture_canceled (GtkGestureClick *gesture,
- GdkEventSequence *sequence,
- GtkListItem *self)
-{
- gtk_widget_unset_state_flags (GTK_WIDGET (self), GTK_STATE_FLAG_ACTIVE);
}
static void
gtk_list_item_init (GtkListItem *self)
{
- GtkEventController *controller;
- GtkGesture *gesture;
-
self->selectable = TRUE;
self->activatable = TRUE;
- gtk_widget_set_can_focus (GTK_WIDGET (self), TRUE);
-
- gesture = gtk_gesture_click_new ();
- gtk_event_controller_set_propagation_phase (GTK_EVENT_CONTROLLER (gesture),
- GTK_PHASE_BUBBLE);
- gtk_gesture_single_set_touch_only (GTK_GESTURE_SINGLE (gesture),
- FALSE);
- gtk_gesture_single_set_button (GTK_GESTURE_SINGLE (gesture),
- GDK_BUTTON_PRIMARY);
- g_signal_connect (gesture, "pressed",
- G_CALLBACK (gtk_list_item_click_gesture_pressed), self);
- g_signal_connect (gesture, "released",
- G_CALLBACK (gtk_list_item_click_gesture_released), self);
- g_signal_connect (gesture, "cancel",
- G_CALLBACK (gtk_list_item_click_gesture_canceled), self);
- gtk_widget_add_controller (GTK_WIDGET (self), GTK_EVENT_CONTROLLER (gesture));
-
- controller = gtk_event_controller_focus_new ();
- g_signal_connect (controller, "enter", G_CALLBACK (gtk_list_item_enter_cb), self);
- gtk_widget_add_controller (GTK_WIDGET (self), controller);
}
GtkListItem *
-gtk_list_item_new (const char *css_name)
+gtk_list_item_new (GtkListItemWidget *owner)
{
GtkListItem *result;
- g_return_val_if_fail (css_name != NULL, NULL);
+ g_return_val_if_fail (owner != NULL, NULL);
result = g_object_new (GTK_TYPE_LIST_ITEM,
- "css-name", css_name,
NULL);
+ result->owner = owner;
return result;
}
@@ -590,12 +307,17 @@ gtk_list_item_set_child (GtkListItem *self,
if (self->child == child)
return;
- g_clear_pointer (&self->child, gtk_widget_unparent);
+ if (self->child && self->owner)
+ gtk_list_item_widget_remove_child (self->owner, self->child);
+
+ g_clear_object (&self->child);
if (child)
{
- gtk_widget_insert_after (child, GTK_WIDGET (self), NULL);
+ g_object_ref_sink (child);
self->child = child;
+ if (self->owner)
+ gtk_list_item_widget_add_child (self->owner, child);
}
g_object_notify_by_pspec (G_OBJECT (self), properties[PROP_ITEM]);
@@ -615,8 +337,6 @@ gtk_list_item_set_item (GtkListItem *self,
if (item)
self->item = g_object_ref (item);
- gtk_css_node_invalidate (gtk_widget_get_css_node (GTK_WIDGET (self)), GTK_CSS_CHANGE_ANIMATIONS);
-
g_object_notify_by_pspec (G_OBJECT (self), properties[PROP_ITEM]);
}
@@ -680,11 +400,6 @@ gtk_list_item_set_selected (GtkListItem *self,
self->selected = selected;
- if (selected)
- gtk_widget_set_state_flags (GTK_WIDGET (self), GTK_STATE_FLAG_SELECTED, FALSE);
- else
- gtk_widget_unset_state_flags (GTK_WIDGET (self), GTK_STATE_FLAG_SELECTED);
-
g_object_notify_by_pspec (G_OBJECT (self), properties[PROP_SELECTED]);
}
diff --git a/gtk/gtklistitemmanager.c b/gtk/gtklistitemmanager.c
index 65705260ea..1236aaf91e 100644
--- a/gtk/gtklistitemmanager.c
+++ b/gtk/gtklistitemmanager.c
@@ -21,7 +21,7 @@
#include "gtklistitemmanagerprivate.h"
-#include "gtklistitemprivate.h"
+#include "gtklistitemwidgetprivate.h"
#include "gtkwidgetprivate.h"
#define GTK_LIST_VIEW_MAX_LIST_ITEMS 200
@@ -47,7 +47,7 @@ struct _GtkListItemManagerClass
struct _GtkListItemTracker
{
guint position;
- GtkListItem *widget;
+ GtkListItemWidget *widget;
guint n_before;
guint n_after;
};
@@ -595,7 +595,7 @@ gtk_list_item_manager_model_items_changed_cb (GListModel *model,
if (tracker->widget == NULL)
continue;
- if (g_hash_table_lookup (change, gtk_list_item_get_item (tracker->widget)))
+ if (g_hash_table_lookup (change, gtk_list_item_widget_get_item (tracker->widget)))
break;
}
@@ -678,7 +678,7 @@ gtk_list_item_manager_model_items_changed_cb (GListModel *model,
}
else if (tracker->position >= position)
{
- if (g_hash_table_lookup (change, gtk_list_item_get_item (tracker->widget)))
+ if (g_hash_table_lookup (change, gtk_list_item_widget_get_item (tracker->widget)))
{
/* The item is gone. Guess a good new position */
tracker->position = position + (tracker->position - position) * added / removed;
@@ -696,7 +696,7 @@ gtk_list_item_manager_model_items_changed_cb (GListModel *model,
/* item was put in its right place in the expensive loop above,
* and we updated its position while at it. So grab it from there.
*/
- tracker->position = gtk_list_item_get_position (tracker->widget);
+ tracker->position = gtk_list_item_widget_get_position (tracker->widget);
}
}
else
@@ -723,7 +723,7 @@ gtk_list_item_manager_model_items_changed_cb (GListModel *model,
item = gtk_list_item_manager_get_nth (self, tracker->position, NULL);
g_assert (item != NULL);
g_assert (item->widget);
- tracker->widget = GTK_LIST_ITEM (item->widget);
+ tracker->widget = GTK_LIST_ITEM_WIDGET (item->widget);
}
g_hash_table_iter_init (&iter, change);
@@ -850,7 +850,7 @@ gtk_list_item_manager_set_factory (GtkListItemManager *self,
item = gtk_list_item_manager_get_nth (self, tracker->position, NULL);
g_assert (item);
- tracker->widget = GTK_LIST_ITEM (item->widget);
+ tracker->widget = GTK_LIST_ITEM_WIDGET (item->widget);
}
}
@@ -922,23 +922,21 @@ gtk_list_item_manager_acquire_list_item (GtkListItemManager *self,
guint position,
GtkWidget *prev_sibling)
{
- GtkListItem *result;
+ GtkWidget *result;
gpointer item;
gboolean selected;
g_return_val_if_fail (GTK_IS_LIST_ITEM_MANAGER (self), NULL);
g_return_val_if_fail (prev_sibling == NULL || GTK_IS_WIDGET (prev_sibling), NULL);
- result = gtk_list_item_new (self->item_css_name);
- if (self->factory)
- gtk_list_item_factory_setup (self->factory, result);
+ result = gtk_list_item_widget_new (self->factory,
+ self->item_css_name);
item = g_list_model_get_item (G_LIST_MODEL (self->model), position);
selected = gtk_selection_model_is_selected (self->model, position);
- if (self->factory)
- gtk_list_item_factory_bind (self->factory, result, position, item, selected);
+ gtk_list_item_widget_bind (GTK_LIST_ITEM_WIDGET (result), position, item, selected);
g_object_unref (item);
- gtk_widget_insert_after (GTK_WIDGET (result), self->widget, prev_sibling);
+ gtk_widget_insert_after (result, self->widget, prev_sibling);
return GTK_WIDGET (result);
}
@@ -964,7 +962,7 @@ gtk_list_item_manager_try_reacquire_list_item (GtkListItemManager *self,
guint position,
GtkWidget *prev_sibling)
{
- GtkListItem *result;
+ GtkWidget *result;
gpointer item;
g_return_val_if_fail (GTK_IS_LIST_ITEM_MANAGER (self), NULL);
@@ -974,11 +972,10 @@ gtk_list_item_manager_try_reacquire_list_item (GtkListItemManager *self,
item = g_list_model_get_item (G_LIST_MODEL (self->model), position);
if (g_hash_table_steal_extended (change, item, NULL, (gpointer *) &result))
{
- if (self->factory)
- gtk_list_item_factory_update (self->factory, result, position, FALSE);
- gtk_widget_insert_after (GTK_WIDGET (result), self->widget, prev_sibling);
+ gtk_list_item_widget_update (GTK_LIST_ITEM_WIDGET (result), position, FALSE);
+ gtk_widget_insert_after (result, self->widget, prev_sibling);
/* XXX: Should we let the listview do this? */
- gtk_widget_queue_resize (GTK_WIDGET (result));
+ gtk_widget_queue_resize (result);
}
else
{
@@ -986,7 +983,7 @@ gtk_list_item_manager_try_reacquire_list_item (GtkListItemManager *self,
}
g_object_unref (item);
- return GTK_WIDGET (result);
+ return result;
}
/**
@@ -1013,8 +1010,7 @@ gtk_list_item_manager_move_list_item (GtkListItemManager *self,
item = g_list_model_get_item (G_LIST_MODEL (self->model), position);
selected = gtk_selection_model_is_selected (self->model, position);
- if (self->factory)
- gtk_list_item_factory_rebind (self->factory, GTK_LIST_ITEM (list_item), position, item, selected);
+ gtk_list_item_widget_rebind (GTK_LIST_ITEM_WIDGET (list_item), position, item, selected);
gtk_widget_insert_after (list_item, _gtk_widget_get_parent (list_item), prev_sibling);
g_object_unref (item);
}
@@ -1036,11 +1032,10 @@ gtk_list_item_manager_update_list_item (GtkListItemManager *self,
gboolean selected;
g_return_if_fail (GTK_IS_LIST_ITEM_MANAGER (self));
- g_return_if_fail (GTK_IS_LIST_ITEM (item));
+ g_return_if_fail (GTK_IS_LIST_ITEM_WIDGET (item));
selected = gtk_selection_model_is_selected (self->model, position);
- if (self->factory)
- gtk_list_item_factory_update (self->factory, GTK_LIST_ITEM (item), position, selected);
+ gtk_list_item_widget_update (GTK_LIST_ITEM_WIDGET (item), position, selected);
}
/*
@@ -1060,21 +1055,16 @@ gtk_list_item_manager_release_list_item (GtkListItemManager *self,
GtkWidget *item)
{
g_return_if_fail (GTK_IS_LIST_ITEM_MANAGER (self));
- g_return_if_fail (GTK_IS_LIST_ITEM (item));
+ g_return_if_fail (GTK_IS_LIST_ITEM_WIDGET (item));
if (change != NULL)
{
- if (g_hash_table_insert (change, gtk_list_item_get_item (GTK_LIST_ITEM (item)), item))
+ if (g_hash_table_insert (change, gtk_list_item_widget_get_item (GTK_LIST_ITEM_WIDGET (item)), item))
return;
g_warning ("FIXME: Handle the same item multiple times in the list.\nLars says this totally should not
happen, but here we are.");
}
- if (self->factory)
- {
- gtk_list_item_factory_unbind (self->factory, GTK_LIST_ITEM (item));
- gtk_list_item_factory_teardown (self->factory, GTK_LIST_ITEM (item));
- }
gtk_widget_unparent (item);
}
@@ -1136,7 +1126,7 @@ gtk_list_item_tracker_set_position (GtkListItemManager *self,
item = gtk_list_item_manager_get_nth (self, position, NULL);
if (item)
- tracker->widget = GTK_LIST_ITEM (item->widget);
+ tracker->widget = GTK_LIST_ITEM_WIDGET (item->widget);
gtk_widget_queue_resize (self->widget);
}
diff --git a/gtk/gtklistitemmanagerprivate.h b/gtk/gtklistitemmanagerprivate.h
index a41ea84472..18cdc6d9ff 100644
--- a/gtk/gtklistitemmanagerprivate.h
+++ b/gtk/gtklistitemmanagerprivate.h
@@ -23,7 +23,7 @@
#include "gtk/gtktypes.h"
-#include "gtk/gtklistitemfactoryprivate.h"
+#include "gtk/gtklistitemfactory.h"
#include "gtk/gtkrbtreeprivate.h"
#include "gtk/gtkselectionmodel.h"
diff --git a/gtk/gtklistitemprivate.h b/gtk/gtklistitemprivate.h
index 3a2ac463d1..5912e406be 100644
--- a/gtk/gtklistitemprivate.h
+++ b/gtk/gtklistitemprivate.h
@@ -22,11 +22,26 @@
#include "gtklistitem.h"
-#include "gtklistitemmanagerprivate.h"
+#include "gtklistitemwidgetprivate.h"
G_BEGIN_DECLS
-GtkListItem * gtk_list_item_new (const char *css_name);
+struct _GtkListItem
+{
+ GObject parent_instance;
+
+ GtkListItemWidget *owner; /* has a reference */
+
+ GObject *item;
+ GtkWidget *child;
+ guint position;
+
+ guint activatable : 1;
+ guint selectable : 1;
+ guint selected : 1;
+};
+
+GtkListItem * gtk_list_item_new (GtkListItemWidget *owner);
void gtk_list_item_set_item (GtkListItem *self,
gpointer item);
diff --git a/gtk/gtklistitemwidget.c b/gtk/gtklistitemwidget.c
new file mode 100644
index 0000000000..9aab4c0a98
--- /dev/null
+++ b/gtk/gtklistitemwidget.c
@@ -0,0 +1,426 @@
+/*
+ * Copyright © 2018 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 "gtklistitemwidgetprivate.h"
+
+#include "gtkbinlayout.h"
+#include "gtkcssnodeprivate.h"
+#include "gtkeventcontrollerfocus.h"
+#include "gtkgestureclick.h"
+#include "gtkintl.h"
+#include "gtklistitemfactoryprivate.h"
+#include "gtklistitemprivate.h"
+#include "gtkmain.h"
+#include "gtkwidget.h"
+#include "gtkwidgetprivate.h"
+
+enum
+{
+ ACTIVATE_SIGNAL,
+ LAST_SIGNAL
+};
+
+G_DEFINE_TYPE (GtkListItemWidget, gtk_list_item_widget, GTK_TYPE_WIDGET)
+
+static guint signals[LAST_SIGNAL] = { 0 };
+
+static void
+gtk_list_item_widget_activate_signal (GtkListItemWidget *self)
+{
+ if (!self->item->activatable)
+ return;
+
+ gtk_widget_activate_action (GTK_WIDGET (self),
+ "list.activate-item",
+ "u",
+ self->item->position);
+}
+
+static gboolean
+gtk_list_item_widget_focus (GtkWidget *widget,
+ GtkDirectionType direction)
+{
+ GtkListItemWidget *self = GTK_LIST_ITEM_WIDGET (widget);
+
+ /* The idea of this function is the following:
+ * 1. If any child can take focus, do not ever attempt
+ * to take focus.
+ * 2. Otherwise, if this item is selectable or activatable,
+ * allow focusing this widget.
+ *
+ * This makes sure every item in a list is focusable for
+ * activation and selection handling, but no useless widgets
+ * get focused and moving focus is as fast as possible.
+ */
+ if (self->item && self->item->child)
+ {
+ if (gtk_widget_get_focus_child (widget))
+ return FALSE;
+ if (gtk_widget_child_focus (self->item->child, direction))
+ return TRUE;
+ }
+
+ if (gtk_widget_is_focus (widget))
+ return FALSE;
+
+ if (!gtk_widget_get_can_focus (widget) ||
+ !self->item->selectable)
+ return FALSE;
+
+ return gtk_widget_grab_focus (widget);
+}
+
+static gboolean
+gtk_list_item_widget_grab_focus (GtkWidget *widget)
+{
+ GtkListItemWidget *self = GTK_LIST_ITEM_WIDGET (widget);
+
+ if (self->item->child && gtk_widget_grab_focus (self->item->child))
+ return TRUE;
+
+ return GTK_WIDGET_CLASS (gtk_list_item_widget_parent_class)->grab_focus (widget);
+}
+
+static void
+gtk_list_item_widget_dispose (GObject *object)
+{
+ GtkListItemWidget *self = GTK_LIST_ITEM_WIDGET (object);
+
+ if (self->item)
+ {
+ if (self->item->item)
+ gtk_list_item_factory_unbind (self->factory, self->item);
+ gtk_list_item_factory_teardown (self->factory, self->item);
+ self->item->owner = NULL;
+ g_clear_object (&self->item);
+ }
+ g_clear_object (&self->factory);
+
+ G_OBJECT_CLASS (gtk_list_item_widget_parent_class)->dispose (object);
+}
+
+static void
+gtk_list_item_widget_select_action (GtkWidget *widget,
+ const char *action_name,
+ GVariant *parameter)
+{
+ GtkListItemWidget *self = GTK_LIST_ITEM_WIDGET (widget);
+ gboolean modify, extend;
+
+ if (!self->item->selectable)
+ return;
+
+ g_variant_get (parameter, "(bb)", &modify, &extend);
+
+ gtk_widget_activate_action (GTK_WIDGET (self),
+ "list.select-item",
+ "(ubb)",
+ self->item->position, modify, extend);
+}
+
+static void
+gtk_list_item_widget_class_init (GtkListItemWidgetClass *klass)
+{
+ GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (klass);
+ GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
+
+ klass->activate_signal = gtk_list_item_widget_activate_signal;
+
+ widget_class->focus = gtk_list_item_widget_focus;
+ widget_class->grab_focus = gtk_list_item_widget_grab_focus;
+
+ gobject_class->dispose = gtk_list_item_widget_dispose;
+
+ signals[ACTIVATE_SIGNAL] =
+ g_signal_new (I_("activate-keybinding"),
+ G_OBJECT_CLASS_TYPE (gobject_class),
+ G_SIGNAL_RUN_FIRST | G_SIGNAL_ACTION,
+ G_STRUCT_OFFSET (GtkListItemWidgetClass, activate_signal),
+ NULL, NULL,
+ NULL,
+ G_TYPE_NONE, 0);
+
+ widget_class->activate_signal = signals[ACTIVATE_SIGNAL];
+
+ /**
+ * GtkListItem|listitem.select:
+ * @modify: %TRUE to toggle the existing selection, %FALSE to select
+ * @extend: %TRUE to extend the selection
+ *
+ * Changes selection if the item is selectable.
+ * If the item is not selectable, nothing happens.
+ *
+ * This function will emit the list.select-item action and the resulting
+ * behavior, in particular the interpretation of @modify and @extend
+ * depends on the view containing this listitem. See for example
+ * GtkListView|list.select-item or GtkGridView|list.select-item.
+ */
+ gtk_widget_class_install_action (widget_class,
+ "listitem.select",
+ "(bb)",
+ gtk_list_item_widget_select_action);
+
+ gtk_widget_class_add_binding_signal (widget_class, GDK_KEY_Return, 0,
+ "activate-keybinding", 0);
+ gtk_widget_class_add_binding_signal (widget_class, GDK_KEY_ISO_Enter, 0,
+ "activate-keybinding", 0);
+ gtk_widget_class_add_binding_signal (widget_class, GDK_KEY_KP_Enter, 0,
+ "activate-keybinding", 0);
+
+ /* note that some of these may get overwritten by child widgets,
+ * such as GtkTreeExpander */
+ gtk_widget_class_add_binding_action (widget_class, GDK_KEY_space, 0,
+ "listitem.select", "(bb)", TRUE, FALSE);
+ gtk_widget_class_add_binding_action (widget_class, GDK_KEY_space, GDK_CONTROL_MASK,
+ "listitem.select", "(bb)", TRUE, FALSE);
+ gtk_widget_class_add_binding_action (widget_class, GDK_KEY_space, GDK_SHIFT_MASK,
+ "listitem.select", "(bb)", TRUE, FALSE);
+ gtk_widget_class_add_binding_action (widget_class, GDK_KEY_space, GDK_CONTROL_MASK | GDK_SHIFT_MASK,
+ "listitem.select", "(bb)", TRUE, FALSE);
+ gtk_widget_class_add_binding_action (widget_class, GDK_KEY_KP_Space, 0,
+ "listitem.select", "(bb)", TRUE, FALSE);
+ gtk_widget_class_add_binding_action (widget_class, GDK_KEY_KP_Space, GDK_CONTROL_MASK,
+ "listitem.select", "(bb)", TRUE, FALSE);
+ gtk_widget_class_add_binding_action (widget_class, GDK_KEY_KP_Space, GDK_SHIFT_MASK,
+ "listitem.select", "(bb)", TRUE, FALSE);
+ gtk_widget_class_add_binding_action (widget_class, GDK_KEY_KP_Space, GDK_CONTROL_MASK | GDK_SHIFT_MASK,
+ "listitem.select", "(bb)", TRUE, FALSE);
+
+ /* This gets overwritten by gtk_list_item_widget_new() but better safe than sorry */
+ gtk_widget_class_set_css_name (widget_class, I_("row"));
+ gtk_widget_class_set_layout_manager_type (widget_class, GTK_TYPE_BIN_LAYOUT);
+}
+
+static void
+gtk_list_item_widget_click_gesture_pressed (GtkGestureClick *gesture,
+ int n_press,
+ double x,
+ double y,
+ GtkListItemWidget *self)
+{
+ GtkWidget *widget = GTK_WIDGET (self);
+
+ if (!self->item->selectable && !self->item->activatable)
+ {
+ gtk_gesture_set_state (GTK_GESTURE (gesture), GTK_EVENT_SEQUENCE_DENIED);
+ return;
+ }
+
+ if (self->item->selectable)
+ {
+ GdkModifierType state;
+ GdkEvent *event;
+ gboolean extend, modify;
+
+ event = gtk_gesture_get_last_event (GTK_GESTURE (gesture),
+ gtk_gesture_single_get_current_sequence (GTK_GESTURE_SINGLE
(gesture)));
+ state = gdk_event_get_modifier_state (event);
+ extend = (state & GDK_SHIFT_MASK) != 0;
+ modify = (state & GDK_CONTROL_MASK) != 0;
+
+ gtk_widget_activate_action (GTK_WIDGET (self),
+ "list.select-item",
+ "(ubb)",
+ self->item->position, modify, extend);
+ }
+
+ if (self->item->activatable)
+ {
+ if (n_press == 2)
+ {
+ gtk_widget_activate_action (GTK_WIDGET (self),
+ "list.activate-item",
+ "u",
+ self->item->position);
+ }
+ }
+
+ gtk_widget_set_state_flags (widget, GTK_STATE_FLAG_ACTIVE, FALSE);
+
+ if (gtk_widget_get_focus_on_click (widget))
+ gtk_widget_grab_focus (widget);
+}
+
+static void
+gtk_list_item_widget_enter_cb (GtkEventControllerFocus *controller,
+ GtkListItemWidget *self)
+{
+ GtkWidget *widget = GTK_WIDGET (self);
+
+ gtk_widget_activate_action (widget,
+ "list.scroll-to-item",
+ "u",
+ self->item->position);
+}
+
+static void
+gtk_list_item_widget_click_gesture_released (GtkGestureClick *gesture,
+ int n_press,
+ double x,
+ double y,
+ GtkListItemWidget *self)
+{
+ gtk_widget_unset_state_flags (GTK_WIDGET (self), GTK_STATE_FLAG_ACTIVE);
+}
+
+static void
+gtk_list_item_widget_click_gesture_canceled (GtkGestureClick *gesture,
+ GdkEventSequence *sequence,
+ GtkListItemWidget *self)
+{
+ gtk_widget_unset_state_flags (GTK_WIDGET (self), GTK_STATE_FLAG_ACTIVE);
+}
+
+static void
+gtk_list_item_widget_init (GtkListItemWidget *self)
+{
+ GtkEventController *controller;
+ GtkGesture *gesture;
+
+ gtk_widget_set_focusable (GTK_WIDGET (self), TRUE);
+
+ gesture = gtk_gesture_click_new ();
+ gtk_event_controller_set_propagation_phase (GTK_EVENT_CONTROLLER (gesture),
+ GTK_PHASE_BUBBLE);
+ gtk_gesture_single_set_touch_only (GTK_GESTURE_SINGLE (gesture),
+ FALSE);
+ gtk_gesture_single_set_button (GTK_GESTURE_SINGLE (gesture),
+ GDK_BUTTON_PRIMARY);
+ g_signal_connect (gesture, "pressed",
+ G_CALLBACK (gtk_list_item_widget_click_gesture_pressed), self);
+ g_signal_connect (gesture, "released",
+ G_CALLBACK (gtk_list_item_widget_click_gesture_released), self);
+ g_signal_connect (gesture, "cancel",
+ G_CALLBACK (gtk_list_item_widget_click_gesture_canceled), self);
+ gtk_widget_add_controller (GTK_WIDGET (self), GTK_EVENT_CONTROLLER (gesture));
+
+ controller = gtk_event_controller_focus_new ();
+ g_signal_connect (controller, "enter", G_CALLBACK (gtk_list_item_widget_enter_cb), self);
+ gtk_widget_add_controller (GTK_WIDGET (self), controller);
+
+ self->item = gtk_list_item_new (self);
+}
+
+GtkWidget *
+gtk_list_item_widget_new (GtkListItemFactory *factory,
+ const char *css_name)
+{
+ GtkListItemWidget *result;
+
+ g_return_val_if_fail (css_name != NULL, NULL);
+
+ result = g_object_new (GTK_TYPE_LIST_ITEM_WIDGET,
+ "css-name", css_name,
+ NULL);
+ if (factory)
+ {
+ result->factory = g_object_ref (factory);
+
+ gtk_list_item_factory_setup (factory, result->item);
+ }
+
+ return GTK_WIDGET (result);
+}
+
+void
+gtk_list_item_widget_bind (GtkListItemWidget *self,
+ guint position,
+ gpointer item,
+ gboolean selected)
+{
+ if (self->factory)
+ gtk_list_item_factory_bind (self->factory, self->item, position, item, selected);
+
+ if (selected)
+ gtk_widget_set_state_flags (GTK_WIDGET (self), GTK_STATE_FLAG_SELECTED, FALSE);
+ else
+ gtk_widget_unset_state_flags (GTK_WIDGET (self), GTK_STATE_FLAG_SELECTED);
+}
+
+void
+gtk_list_item_widget_rebind (GtkListItemWidget *self,
+ guint position,
+ gpointer item,
+ gboolean selected)
+{
+ if (self->factory)
+ gtk_list_item_factory_rebind (self->factory, self->item, position, item, selected);
+
+ if (selected)
+ gtk_widget_set_state_flags (GTK_WIDGET (self), GTK_STATE_FLAG_SELECTED, FALSE);
+ else
+ gtk_widget_unset_state_flags (GTK_WIDGET (self), GTK_STATE_FLAG_SELECTED);
+
+ gtk_css_node_invalidate (gtk_widget_get_css_node (GTK_WIDGET (self)), GTK_CSS_CHANGE_ANIMATIONS);
+}
+
+void
+gtk_list_item_widget_update (GtkListItemWidget *self,
+ guint position,
+ gboolean selected)
+{
+ if (self->factory)
+ gtk_list_item_factory_update (self->factory, self->item, position, selected);
+
+ if (selected)
+ gtk_widget_set_state_flags (GTK_WIDGET (self), GTK_STATE_FLAG_SELECTED, FALSE);
+ else
+ gtk_widget_unset_state_flags (GTK_WIDGET (self), GTK_STATE_FLAG_SELECTED);
+
+}
+
+void
+gtk_list_item_widget_unbind (GtkListItemWidget *self)
+{
+ if (self->factory)
+ gtk_list_item_factory_unbind (self->factory, self->item);
+
+ gtk_widget_unset_state_flags (GTK_WIDGET (self), GTK_STATE_FLAG_SELECTED);
+
+ gtk_css_node_invalidate (gtk_widget_get_css_node (GTK_WIDGET (self)), GTK_CSS_CHANGE_ANIMATIONS);
+}
+
+void
+gtk_list_item_widget_add_child (GtkListItemWidget *self,
+ GtkWidget *child)
+{
+ gtk_widget_set_parent (child, GTK_WIDGET (self));
+}
+
+void
+gtk_list_item_widget_remove_child (GtkListItemWidget *self,
+ GtkWidget *child)
+{
+ gtk_widget_unparent (child);
+}
+
+guint
+gtk_list_item_widget_get_position (GtkListItemWidget *self)
+{
+ return self->item->position;
+}
+
+gpointer
+gtk_list_item_widget_get_item (GtkListItemWidget *self)
+{
+ return self->item->item;
+}
+
diff --git a/gtk/gtklistitemwidgetprivate.h b/gtk/gtklistitemwidgetprivate.h
new file mode 100644
index 0000000000..77db256cb0
--- /dev/null
+++ b/gtk/gtklistitemwidgetprivate.h
@@ -0,0 +1,81 @@
+/*
+ * Copyright © 2018 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_LIST_ITEM_WIDGET_PRIVATE_H__
+#define __GTK_LIST_ITEM_WIDGET_PRIVATE_H__
+
+#include "gtklistitemfactory.h"
+#include "gtkwidget.h"
+
+G_BEGIN_DECLS
+
+#define GTK_TYPE_LIST_ITEM_WIDGET (gtk_list_item_widget_get_type ())
+#define GTK_LIST_ITEM_WIDGET(o) (G_TYPE_CHECK_INSTANCE_CAST ((o), GTK_TYPE_LIST_ITEM_WIDGET,
GtkListItemWidget))
+#define GTK_LIST_ITEM_WIDGET_CLASS(k) (G_TYPE_CHECK_CLASS_CAST ((k), GTK_TYPE_LIST_ITEM_WIDGET,
GtkListItemWidgetClass))
+#define GTK_IS_LIST_ITEM_WIDGET(o) (G_TYPE_CHECK_INSTANCE_TYPE ((o), GTK_TYPE_LIST_ITEM_WIDGET))
+#define GTK_IS_LIST_ITEM_WIDGET_CLASS(k) (G_TYPE_CHECK_CLASS_TYPE ((k), GTK_TYPE_LIST_ITEM_WIDGET))
+#define GTK_LIST_ITEM_WIDGET_GET_CLASS(o) (G_TYPE_INSTANCE_GET_CLASS ((o), GTK_TYPE_LIST_ITEM_WIDGET,
GtkListItemWidgetClass))
+
+typedef struct _GtkListItemWidget GtkListItemWidget;
+typedef struct _GtkListItemWidgetClass GtkListItemWidgetClass;
+
+struct _GtkListItemWidget
+{
+ GtkWidget parent_instance;
+
+ GtkListItemFactory *factory;
+ GtkListItem *item;
+};
+
+struct _GtkListItemWidgetClass
+{
+ GtkWidgetClass parent_class;
+
+ void (* activate_signal) (GtkListItemWidget *self);
+};
+
+GType gtk_list_item_widget_get_type (void) G_GNUC_CONST;
+
+GtkWidget * gtk_list_item_widget_new (GtkListItemFactory *factory,
+ const char *css_name);
+
+void gtk_list_item_widget_bind (GtkListItemWidget *self,
+ guint position,
+ gpointer item,
+ gboolean selected);
+void gtk_list_item_widget_rebind (GtkListItemWidget *self,
+ guint position,
+ gpointer item,
+ gboolean selected);
+void gtk_list_item_widget_update (GtkListItemWidget *self,
+ guint position,
+ gboolean selected);
+void gtk_list_item_widget_unbind (GtkListItemWidget *self);
+
+void gtk_list_item_widget_add_child (GtkListItemWidget *self,
+ GtkWidget *child);
+void gtk_list_item_widget_remove_child (GtkListItemWidget *self,
+ GtkWidget *child);
+
+guint gtk_list_item_widget_get_position (GtkListItemWidget *self);
+gpointer gtk_list_item_widget_get_item (GtkListItemWidget *self);
+
+G_END_DECLS
+
+#endif /* __GTK_LIST_ITEM_WIDGET_PRIVATE_H__ */
diff --git a/gtk/meson.build b/gtk/meson.build
index 4cfb95f706..785e63699f 100644
--- a/gtk/meson.build
+++ b/gtk/meson.build
@@ -281,6 +281,7 @@ gtk_public_sources = files([
'gtklistitem.c',
'gtklistitemfactory.c',
'gtklistitemmanager.c',
+ 'gtklistitemwidget.c',
'gtklistlistmodel.c',
'gtkliststore.c',
'gtklistview.c',
diff --git a/tests/testlistview.c b/tests/testlistview.c
index 7556730f28..927e3a1fd3 100644
--- a/tests/testlistview.c
+++ b/tests/testlistview.c
@@ -493,8 +493,6 @@ setup_widget (GtkListItem *list_item,
RowData *data;
data = g_slice_new0 (RowData);
- g_signal_connect (list_item, "notify::item", G_CALLBACK (row_data_notify_item), data);
- g_object_set_data_full (G_OBJECT (list_item), "row-data", data, row_data_free);
box = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 4);
gtk_list_item_set_child (list_item, box);
@@ -516,6 +514,9 @@ setup_widget (GtkListItem *list_item,
gtk_label_set_max_width_chars (GTK_LABEL (data->name), 25);
gtk_label_set_ellipsize (GTK_LABEL (data->name), PANGO_ELLIPSIZE_END);
gtk_box_append (GTK_BOX (box), data->name);
+
+ g_signal_connect (list_item, "notify::item", G_CALLBACK (row_data_notify_item), data);
+ g_object_set_data_full (G_OBJECT (list_item), "row-data", data, row_data_free);
}
static GListModel *
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