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listview: GtkListHeader and gtk_list_view_set_header_factory()

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Adds infrastructure for handling factories for list headers.

For now, listitemmanager doesn't instantiate them, so they aren't used.
This commit is contained in:
Benjamin Otte 2023-04-10 14:32:24 +02:00
parent 76d601631d
commit 53bfcf7f0a
11 changed files with 999 additions and 32 deletions
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1
gtk/gtk.h
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@ -174,6 +174,7 @@
#include <gtk/gtklistbase.h>
#include <gtk/gtklinkbutton.h>
#include <gtk/gtklistbox.h>
#include <gtk/gtklistheader.h>
#include <gtk/gtklistitem.h>
#include <gtk/gtklistitemfactory.h>
#include <gtk/deprecated/gtkliststore.h>

381
gtk/gtklistheader.c Normal file
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@ -0,0 +1,381 @@
/*
* Copyright © 2023 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 "gtklistheaderprivate.h"
/**
* GtkListHeader:
*
* `GtkListHeader` is used by list widgets to represent the headers they
* display.
*
* The `GtkListHeader`s are managed just like [class@gtk.ListItem]s via
* their factory, but provide a different set of properties suitable for
* managing the header instead of individual items.
*
* Since: 4.12
*/
enum
{
PROP_0,
PROP_CHILD,
PROP_END,
PROP_ITEM,
PROP_N_ITEMS,
PROP_START,
N_PROPS
};
G_DEFINE_TYPE (GtkListHeader, gtk_list_header, G_TYPE_OBJECT)
static GParamSpec *properties[N_PROPS] = { NULL, };
static void
gtk_list_header_dispose (GObject *object)
{
GtkListHeader *self = GTK_LIST_HEADER (object);
g_assert (self->owner == NULL); /* would hold a reference */
g_clear_object (&self->child);
G_OBJECT_CLASS (gtk_list_header_parent_class)->dispose (object);
}
static void
gtk_list_header_get_property (GObject *object,
guint property_id,
GValue *value,
GParamSpec *pspec)
{
GtkListHeader *self = GTK_LIST_HEADER (object);
switch (property_id)
{
case PROP_CHILD:
g_value_set_object (value, self->child);
break;
case PROP_END:
if (self->owner)
g_value_set_uint (value, gtk_list_header_base_get_end (GTK_LIST_HEADER_BASE (self->owner)));
else
g_value_set_uint (value, GTK_INVALID_LIST_POSITION);
break;
case PROP_ITEM:
if (self->owner)
g_value_set_object (value, gtk_list_header_base_get_item (GTK_LIST_HEADER_BASE (self->owner)));
break;
case PROP_N_ITEMS:
g_value_set_uint (value, gtk_list_header_get_n_items (self));
break;
case PROP_START:
if (self->owner)
g_value_set_uint (value, gtk_list_header_base_get_start (GTK_LIST_HEADER_BASE (self->owner)));
else
g_value_set_uint (value, GTK_INVALID_LIST_POSITION);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
break;
}
}
static void
gtk_list_header_set_property (GObject *object,
guint property_id,
const GValue *value,
GParamSpec *pspec)
{
GtkListHeader *self = GTK_LIST_HEADER (object);
switch (property_id)
{
case PROP_CHILD:
gtk_list_header_set_child (self, g_value_get_object (value));
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
break;
}
}
static void
gtk_list_header_class_init (GtkListHeaderClass *klass)
{
GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
gobject_class->dispose = gtk_list_header_dispose;
gobject_class->get_property = gtk_list_header_get_property;
gobject_class->set_property = gtk_list_header_set_property;
/**
* GtkListHeader:child: (attributes org.gtk.Property.get=gtk_list_header_get_child org.gtk.Property.set=gtk_list_header_set_child)
*
* Widget used for display.
*
* Since: 4.12
*/
properties[PROP_CHILD] =
g_param_spec_object ("child", NULL, NULL,
GTK_TYPE_WIDGET,
G_PARAM_READWRITE | G_PARAM_EXPLICIT_NOTIFY | G_PARAM_STATIC_STRINGS);
/**
* GtkListHeader:end: (attributes org.gtk.Property.get=gtk_list_header_get_end)
*
* The first position no longer part of this section.
*
* Since: 4.12
*/
properties[PROP_END] =
g_param_spec_uint ("end", NULL, NULL,
0, G_MAXUINT, GTK_INVALID_LIST_POSITION,
G_PARAM_READABLE | G_PARAM_EXPLICIT_NOTIFY | G_PARAM_STATIC_STRINGS);
/**
* GtkListHeader:item: (attributes org.gtk.Property.get=gtk_list_header_get_item)
*
* The item at the start of the section.
*
* Since: 4.12
*/
properties[PROP_ITEM] =
g_param_spec_object ("item", NULL, NULL,
G_TYPE_OBJECT,
G_PARAM_READABLE | G_PARAM_EXPLICIT_NOTIFY | G_PARAM_STATIC_STRINGS);
/**
* GtkListHeader:n-items: (attributes org.gtk.Property.get=gtk_list_header_get_n_items)
*
* Number of items in this section.
*
* Since: 4.12
*/
properties[PROP_N_ITEMS] =
g_param_spec_uint ("n-items", NULL, NULL,
0, G_MAXUINT, 0,
G_PARAM_READABLE | G_PARAM_EXPLICIT_NOTIFY | G_PARAM_STATIC_STRINGS);
/**
* GtkListHeader:start: (attributes org.gtk.Property.get=gtk_list_header_get_start)
*
* First position of items in this section.
*
* Since: 4.12
*/
properties[PROP_START] =
g_param_spec_uint ("start", NULL, NULL,
0, G_MAXUINT, GTK_INVALID_LIST_POSITION,
G_PARAM_READABLE | G_PARAM_EXPLICIT_NOTIFY | G_PARAM_STATIC_STRINGS);
g_object_class_install_properties (gobject_class, N_PROPS, properties);
}
static void
gtk_list_header_init (GtkListHeader *self)
{
}
GtkListHeader *
gtk_list_header_new (void)
{
return g_object_new (GTK_TYPE_LIST_HEADER, NULL);
}
void
gtk_list_header_do_notify (GtkListHeader *list_header,
gboolean notify_item,
gboolean notify_start,
gboolean notify_end,
gboolean notify_n_items)
{
GObject *object = G_OBJECT (list_header);
if (notify_item)
g_object_notify_by_pspec (object, properties[PROP_ITEM]);
if (notify_start)
g_object_notify_by_pspec (object, properties[PROP_START]);
if (notify_end)
g_object_notify_by_pspec (object, properties[PROP_END]);
if (notify_n_items)
g_object_notify_by_pspec (object, properties[PROP_N_ITEMS]);
}
/**
* gtk_list_header_get_item: (attributes org.gtk.Method.get_property=item)
* @self: a `GtkListHeader`
*
* Gets the model item at the start of the section.
* This is the item that occupies the list model at position
* [property@Gtk.ListHeader:start].
*
* If @self is unbound, this function returns %NULL.
*
* Returns: (nullable) (transfer none) (type GObject): The item displayed
*
* Since: 4.12
**/
gpointer
gtk_list_header_get_item (GtkListHeader *self)
{
g_return_val_if_fail (GTK_IS_LIST_HEADER (self), NULL);
if (self->owner)
return gtk_list_header_base_get_item (GTK_LIST_HEADER_BASE (self->owner));
else
return NULL;
}
/**
* gtk_list_header_get_child: (attributes org.gtk.Method.get_property=child)
* @self: a `GtkListHeader`
*
* Gets the child previously set via gtk_list_header_set_child() or
* %NULL if none was set.
*
* Returns: (transfer none) (nullable): The child
*
* Since: 4.12
*/
GtkWidget *
gtk_list_header_get_child (GtkListHeader *self)
{
g_return_val_if_fail (GTK_IS_LIST_HEADER (self), NULL);
return self->child;
}
/**
* gtk_list_header_set_child: (attributes org.gtk.Method.set_property=child)
* @self: a `GtkListHeader`
* @child: (nullable): The list item's child or %NULL to unset
*
* Sets the child to be used for this listitem.
*
* This function is typically called by applications when
* setting up a header so that the widget can be reused when
* binding it multiple times.
*
* Since: 4.12
*/
void
gtk_list_header_set_child (GtkListHeader *self,
GtkWidget *child)
{
g_return_if_fail (GTK_IS_LIST_HEADER (self));
g_return_if_fail (child == NULL || gtk_widget_get_parent (child) == NULL);
if (self->child == child)
return;
g_clear_object (&self->child);
if (child)
{
g_object_ref_sink (child);
self->child = child;
}
if (self->owner)
gtk_list_header_widget_set_child (self->owner, child);
g_object_notify_by_pspec (G_OBJECT (self), properties[PROP_CHILD]);
}
/**
* gtk_list_header_get_start: (attributes org.gtk.Method.get_property=start)
* @self: a `GtkListHeader`
*
* Gets the start position in the model of the section that @self is
* currently the header for.
*
* If @self is unbound, %GTK_INVALID_LIST_POSITION is returned.
*
* Returns: The start position of the section
*
* Since: 4.12
*/
guint
gtk_list_header_get_start (GtkListHeader *self)
{
g_return_val_if_fail (GTK_IS_LIST_HEADER (self), GTK_INVALID_LIST_POSITION);
if (self->owner)
return gtk_list_header_base_get_start (GTK_LIST_HEADER_BASE (self->owner));
else
return GTK_INVALID_LIST_POSITION;
}
/**
* gtk_list_header_get_end: (attributes org.gtk.Method.get_property=end)
* @self: a `GtkListHeader`
*
* Gets the end position in the model of the section that @self is
* currently the header for.
*
* If @self is unbound, %GTK_INVALID_LIST_POSITION is returned.
*
* Returns: The end position of the section
*
* Since: 4.12
*/
guint
gtk_list_header_get_end (GtkListHeader *self)
{
g_return_val_if_fail (GTK_IS_LIST_HEADER (self), GTK_INVALID_LIST_POSITION);
if (self->owner)
return gtk_list_header_base_get_end (GTK_LIST_HEADER_BASE (self->owner));
else
return GTK_INVALID_LIST_POSITION;
}
/**
* gtk_list_header_get_n_items: (attributes org.gtk.Method.get_property=n-items)
* @self: a `GtkListHeader`
*
* Gets the the number of items in the section.
*
* If @self is unbound, 0 is returned.
*
* Returns: The number of items in the section
*
* Since: 4.12
*/
guint
gtk_list_header_get_n_items (GtkListHeader *self)
{
g_return_val_if_fail (GTK_IS_LIST_HEADER (self), GTK_INVALID_LIST_POSITION);
if (self->owner)
return gtk_list_header_base_get_end (GTK_LIST_HEADER_BASE (self->owner)) -
gtk_list_header_base_get_start (GTK_LIST_HEADER_BASE (self->owner));
else
return 0;
}

50
gtk/gtklistheader.h Normal file
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@ -0,0 +1,50 @@
/*
* Copyright © 2023 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>
*/
#pragma once
#if !defined (__GTK_H_INSIDE__) && !defined (GTK_COMPILATION)
#error "Only <gtk/gtk.h> can be included directly."
#endif
#include <gtk/gtktypes.h>
G_BEGIN_DECLS
#define GTK_TYPE_LIST_HEADER (gtk_list_header_get_type ())
GDK_AVAILABLE_IN_4_12
GDK_DECLARE_INTERNAL_TYPE (GtkListHeader, gtk_list_header, GTK, LIST_HEADER, GObject)
GDK_AVAILABLE_IN_4_12
gpointer gtk_list_header_get_item (GtkListHeader *self);
GDK_AVAILABLE_IN_4_12
guint gtk_list_header_get_start (GtkListHeader *self) G_GNUC_PURE;
GDK_AVAILABLE_IN_4_12
guint gtk_list_header_get_end (GtkListHeader *self) G_GNUC_PURE;
GDK_AVAILABLE_IN_4_12
guint gtk_list_header_get_n_items (GtkListHeader *self) G_GNUC_PURE;
GDK_AVAILABLE_IN_4_12
void gtk_list_header_set_child (GtkListHeader *self,
GtkWidget *child);
GDK_AVAILABLE_IN_4_12
GtkWidget * gtk_list_header_get_child (GtkListHeader *self);
G_END_DECLS

7
gtk/gtklistheaderbase.c
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@ -76,6 +76,13 @@ gtk_list_header_base_update (GtkListHeaderBase *self,
guint start,
guint end)
{
GtkListHeaderBasePrivate *priv = gtk_list_header_base_get_instance_private (self);
if (priv->item == item &&
priv->start == start &&
priv->end == end)
return;
GTK_LIST_HEADER_BASE_GET_CLASS (self)->update (self, item, start, end);
}

52
gtk/gtklistheaderprivate.h Normal file
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@ -0,0 +1,52 @@
/*
* Copyright © 2023 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>
*/
#pragma once
#include "gtklistheader.h"
#include "gtklistheaderwidgetprivate.h"
G_BEGIN_DECLS
struct _GtkListHeader
{
GObject parent_instance;
GtkListHeaderWidget *owner; /* has a reference */
GtkWidget *child;
};
struct _GtkListHeaderClass
{
GObjectClass parent_class;
};
GtkListHeader * gtk_list_header_new (void);
void gtk_list_header_do_notify (GtkListHeader *list_header,
gboolean notify_item,
gboolean notify_start,
gboolean notify_end,
gboolean notify_n_items);
G_END_DECLS

295
gtk/gtklistheaderwidget.c Normal file
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@ -0,0 +1,295 @@
/*
* Copyright © 2023 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 "gtklistheaderwidgetprivate.h"
#include "gtkbinlayout.h"
#include "gtklistheaderprivate.h"
#include "gtklistitemfactoryprivate.h"
#include "gtklistbaseprivate.h"
#include "gtkwidget.h"
typedef struct _GtkListHeaderWidgetPrivate GtkListHeaderWidgetPrivate;
struct _GtkListHeaderWidgetPrivate
{
GtkListItemFactory *factory;
GtkListHeader *header;
};
enum {
PROP_0,
PROP_FACTORY,
N_PROPS
};
G_DEFINE_TYPE_WITH_PRIVATE (GtkListHeaderWidget, gtk_list_header_widget, GTK_TYPE_LIST_HEADER_BASE)
static GParamSpec *properties[N_PROPS] = { NULL, };
static void
gtk_list_header_widget_setup_func (gpointer object,
gpointer data)
{
GtkListHeaderWidget *self = GTK_LIST_HEADER_WIDGET (data);
GtkListHeaderWidgetPrivate *priv = gtk_list_header_widget_get_instance_private (self);
GtkListHeader *header = object;
priv->header = header;
header->owner = self;
gtk_list_header_widget_set_child (self, header->child);
gtk_list_header_do_notify (header,
gtk_list_header_base_get_item (GTK_LIST_HEADER_BASE (self)) != NULL,
gtk_list_header_base_get_start (GTK_LIST_HEADER_BASE (self)) != GTK_INVALID_LIST_POSITION,
gtk_list_header_base_get_end (GTK_LIST_HEADER_BASE (self)) != GTK_INVALID_LIST_POSITION,
gtk_list_header_base_get_start (GTK_LIST_HEADER_BASE (self)) != gtk_list_header_base_get_end (GTK_LIST_HEADER_BASE (self)));
}
static void
gtk_list_header_widget_setup_factory (GtkListHeaderWidget *self)
{
GtkListHeaderWidgetPrivate *priv = gtk_list_header_widget_get_instance_private (self);
GtkListHeader *header;
header = gtk_list_header_new ();
gtk_list_item_factory_setup (priv->factory,
G_OBJECT (header),
gtk_list_header_base_get_item (GTK_LIST_HEADER_BASE (self)) != NULL,
gtk_list_header_widget_setup_func,
self);
g_assert (priv->header == header);
}
static void
gtk_list_header_widget_teardown_func (gpointer object,
gpointer data)
{
GtkListHeaderWidget *self = GTK_LIST_HEADER_WIDGET (data);
GtkListHeaderWidgetPrivate *priv = gtk_list_header_widget_get_instance_private (self);
GtkListHeader *header = object;
header->owner = NULL;
priv->header = NULL;
gtk_list_header_widget_set_child (self, NULL);
gtk_list_header_do_notify (header,
gtk_list_header_base_get_item (GTK_LIST_HEADER_BASE (self)) != NULL,
gtk_list_header_base_get_start (GTK_LIST_HEADER_BASE (self)) != GTK_INVALID_LIST_POSITION,
gtk_list_header_base_get_end (GTK_LIST_HEADER_BASE (self)) != GTK_INVALID_LIST_POSITION,
gtk_list_header_base_get_start (GTK_LIST_HEADER_BASE (self)) != gtk_list_header_base_get_end (GTK_LIST_HEADER_BASE (self)));
}
static void
gtk_list_header_widget_teardown_factory (GtkListHeaderWidget *self)
{
GtkListHeaderWidgetPrivate *priv = gtk_list_header_widget_get_instance_private (self);
gpointer header = priv->header;
gtk_list_item_factory_teardown (priv->factory,
header,
gtk_list_header_base_get_item (GTK_LIST_HEADER_BASE (self)) != NULL,
gtk_list_header_widget_teardown_func,
self);
g_assert (priv->header == NULL);
g_object_unref (header);
}
typedef struct {
GtkListHeaderWidget *widget;
gpointer item;
guint start;
guint end;
} GtkListHeaderWidgetUpdate;
static void
gtk_list_header_widget_update_func (gpointer object,
gpointer data)
{
GtkListHeaderWidgetUpdate *update = data;
GtkListHeaderWidget *self = update->widget;
GtkListHeaderBase *base = GTK_LIST_HEADER_BASE (self);
/* Track notify manually instead of freeze/thaw_notify for performance reasons. */
gboolean notify_item, notify_start, notify_end, notify_n_items;
/* FIXME: It's kinda evil to notify external objects from here... */
notify_item = gtk_list_header_base_get_item (base) != update->item;
notify_start = gtk_list_header_base_get_start (base) != update->start;
notify_end = gtk_list_header_base_get_end (base) != update->end;
notify_n_items = gtk_list_header_base_get_end (base) - gtk_list_header_base_get_start (base) != update->end - update->start;
GTK_LIST_HEADER_BASE_CLASS (gtk_list_header_widget_parent_class)->update (base,
update->item,
update->start,
update->end);
if (object)
gtk_list_header_do_notify (object, notify_item, notify_start, notify_end, notify_n_items);
}
static void
gtk_list_header_widget_update (GtkListHeaderBase *base,
gpointer item,
guint start,
guint end)
{
GtkListHeaderWidget *self = GTK_LIST_HEADER_WIDGET (base);
GtkListHeaderWidgetPrivate *priv = gtk_list_header_widget_get_instance_private (self);
GtkListHeaderWidgetUpdate update = { self, item, start, end };
if (priv->header)
{
gtk_list_item_factory_update (priv->factory,
G_OBJECT (priv->header),
gtk_list_header_base_get_item (GTK_LIST_HEADER_BASE (self)) != NULL,
item != NULL,
gtk_list_header_widget_update_func,
&update);
}
else
{
gtk_list_header_widget_update_func (NULL, &update);
}
}
static void
gtk_list_header_widget_set_property (GObject *object,
guint property_id,
const GValue *value,
GParamSpec *pspec)
{
GtkListHeaderWidget *self = GTK_LIST_HEADER_WIDGET (object);
switch (property_id)
{
case PROP_FACTORY:
gtk_list_header_widget_set_factory (self, g_value_get_object (value));
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
break;
}
}
static void
gtk_list_header_widget_clear_factory (GtkListHeaderWidget *self)
{
GtkListHeaderWidgetPrivate *priv = gtk_list_header_widget_get_instance_private (self);
if (priv->factory == NULL)
return;
if (priv->header)
gtk_list_header_widget_teardown_factory (self);
g_clear_object (&priv->factory);
}
static void
gtk_list_header_widget_dispose (GObject *object)
{
GtkListHeaderWidget *self = GTK_LIST_HEADER_WIDGET (object);
gtk_list_header_widget_clear_factory (self);
G_OBJECT_CLASS (gtk_list_header_widget_parent_class)->dispose (object);
}
static void
gtk_list_header_widget_class_init (GtkListHeaderWidgetClass *klass)
{
GtkListHeaderBaseClass *base_class = GTK_LIST_HEADER_BASE_CLASS (klass);
GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (klass);
GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
base_class->update = gtk_list_header_widget_update;
gobject_class->set_property = gtk_list_header_widget_set_property;
gobject_class->dispose = gtk_list_header_widget_dispose;
properties[PROP_FACTORY] =
g_param_spec_object ("factory", NULL, NULL,
GTK_TYPE_LIST_ITEM_FACTORY,
G_PARAM_WRITABLE | G_PARAM_EXPLICIT_NOTIFY | G_PARAM_STATIC_STRINGS);
g_object_class_install_properties (gobject_class, N_PROPS, properties);
gtk_widget_class_set_css_name (widget_class, I_("header"));
gtk_widget_class_set_accessible_role (widget_class, GTK_ACCESSIBLE_ROLE_ROW_HEADER);
gtk_widget_class_set_layout_manager_type (widget_class, GTK_TYPE_BIN_LAYOUT);
}
static void
gtk_list_header_widget_init (GtkListHeaderWidget *self)
{
}
void
gtk_list_header_widget_set_factory (GtkListHeaderWidget *self,
GtkListItemFactory *factory)
{
GtkListHeaderWidgetPrivate *priv = gtk_list_header_widget_get_instance_private (self);
if (priv->factory == factory)
return;
gtk_list_header_widget_clear_factory (self);
if (factory)
{
priv->factory = g_object_ref (factory);
gtk_list_header_widget_setup_factory (self);
}
g_object_notify_by_pspec (G_OBJECT (self), properties[PROP_FACTORY]);
}
GtkWidget *
gtk_list_header_widget_new (GtkListItemFactory *factory)
{
return g_object_new (GTK_TYPE_LIST_HEADER_WIDGET,
"factory", factory,
NULL);
}
void
gtk_list_header_widget_set_child (GtkListHeaderWidget *self,
GtkWidget *child)
{
GtkWidget *cur_child = gtk_widget_get_first_child (GTK_WIDGET (self));
if (cur_child == child)
return;
g_clear_pointer (&cur_child, gtk_widget_unparent);
if (child)
gtk_widget_set_parent (child, GTK_WIDGET (self));
}

61
gtk/gtklistheaderwidgetprivate.h Normal file
View File

@ -0,0 +1,61 @@
/*
* Copyright © 2023 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>
*/
#pragma once
#include "gtklistheaderbaseprivate.h"
#include "gtklistitemfactory.h"
G_BEGIN_DECLS
#define GTK_TYPE_LIST_HEADER_WIDGET (gtk_list_header_widget_get_type ())
#define GTK_LIST_HEADER_WIDGET(o) (G_TYPE_CHECK_INSTANCE_CAST ((o), GTK_TYPE_LIST_HEADER_WIDGET, GtkListHeaderWidget))
#define GTK_LIST_HEADER_WIDGET_CLASS(k) (G_TYPE_CHECK_CLASS_CAST ((k), GTK_TYPE_LIST_HEADER_WIDGET, GtkListHeaderWidgetClass))
#define GTK_IS_LIST_HEADER_WIDGET(o) (G_TYPE_CHECK_INSTANCE_TYPE ((o), GTK_TYPE_LIST_HEADER_WIDGET))
#define GTK_IS_LIST_HEADER_WIDGET_CLASS(k) (G_TYPE_CHECK_CLASS_TYPE ((k), GTK_TYPE_LIST_HEADER_WIDGET))
#define GTK_LIST_HEADER_WIDGET_GET_CLASS(o) (G_TYPE_INSTANCE_GET_CLASS ((o), GTK_TYPE_LIST_HEADER_WIDGET, GtkListHeaderWidgetClass))
typedef struct _GtkListHeaderWidget GtkListHeaderWidget;
typedef struct _GtkListHeaderWidgetClass GtkListHeaderWidgetClass;
struct _GtkListHeaderWidget
{
GtkListHeaderBase parent_instance;
};
struct _GtkListHeaderWidgetClass
{
GtkListHeaderBaseClass parent_class;
};
GType gtk_list_header_widget_get_type (void) G_GNUC_CONST;
GtkWidget * gtk_list_header_widget_new (GtkListItemFactory *factory);
void gtk_list_header_widget_set_factory (GtkListHeaderWidget *self,
GtkListItemFactory *factory);
GtkListItemFactory * gtk_list_header_widget_get_factory (GtkListHeaderWidget *self);
void gtk_list_header_widget_set_child (GtkListHeaderWidget *self,
GtkWidget *child);
G_END_DECLS

173
gtk/gtklistview.c
View File

@ -23,6 +23,7 @@
#include "gtkbitset.h"
#include "gtklistbaseprivate.h"
#include "gtklistheaderwidgetprivate.h"
#include "gtklistitemmanagerprivate.h"
#include "gtklistitemwidgetprivate.h"
#include "gtkmultiselection.h"
@ -145,6 +146,7 @@ enum
PROP_0,
PROP_ENABLE_RUBBERBAND,
PROP_FACTORY,
PROP_HEADER_FACTORY,
PROP_MODEL,
PROP_SHOW_SEPARATORS,
PROP_SINGLE_CLICK_ACTIVATE,
@ -163,29 +165,6 @@ G_DEFINE_TYPE (GtkListView, gtk_list_view, GTK_TYPE_LIST_BASE)
static GParamSpec *properties[N_PROPS] = { NULL, };
static guint signals[LAST_SIGNAL] = { 0 };
static void G_GNUC_UNUSED
dump (GtkListView *self)
{
GtkListTile *tile;
guint n_widgets, n_list_rows;
n_widgets = 0;
n_list_rows = 0;
//g_print ("ANCHOR: %u - %u\n", self->anchor_start, self->anchor_end);
for (tile = gtk_list_item_manager_get_first (self->item_manager);
tile;
tile = gtk_rb_tree_node_get_next (tile))
{
if (tile->widget)
n_widgets++;
n_list_rows++;
g_print (" %4u%s %d,%d,%d,%d\n", tile->n_items, tile->widget ? " (widget)" : "",
tile->area.x, tile->area.y, tile->area.width, tile->area.height);
}
g_print (" => %u widgets in %u list rows\n", n_widgets, n_list_rows);
}
static GtkListTile *
gtk_list_view_split (GtkListBase *base,
GtkListTile *tile,
@ -215,6 +194,13 @@ gtk_list_view_split (GtkListBase *base,
return new_tile;
}
static void
gtk_list_view_prepare_section (GtkListBase *base,
GtkListTile *tile,
guint position)
{
}
/* We define the listview as **inert** when the factory isn't used. */
static gboolean
gtk_list_view_is_inert (GtkListView *self)
@ -228,7 +214,8 @@ gtk_list_view_is_inert (GtkListView *self)
static void
gtk_list_view_update_factories_with (GtkListView *self,
GtkListItemFactory *factory)
GtkListItemFactory *factory,
GtkListItemFactory *header_factory)
{
GtkListTile *tile;
@ -236,8 +223,27 @@ gtk_list_view_update_factories_with (GtkListView *self,
tile != NULL;
tile = gtk_rb_tree_node_get_next (tile))
{
if (tile->widget)
gtk_list_factory_widget_set_factory (GTK_LIST_FACTORY_WIDGET (tile->widget), factory);
switch (tile->type)
{
case GTK_LIST_TILE_ITEM:
if (tile->widget)
gtk_list_factory_widget_set_factory (GTK_LIST_FACTORY_WIDGET (tile->widget), factory);
break;
case GTK_LIST_TILE_HEADER:
if (tile->widget)
gtk_list_header_widget_set_factory (GTK_LIST_HEADER_WIDGET (tile->widget), header_factory);
break;
case GTK_LIST_TILE_UNMATCHED_HEADER:
case GTK_LIST_TILE_FOOTER:
case GTK_LIST_TILE_UNMATCHED_FOOTER:
case GTK_LIST_TILE_FILLER:
case GTK_LIST_TILE_REMOVED:
g_assert (tile->widget == NULL);
break;
default:
g_assert_not_reached();
break;
}
}
}
@ -245,13 +251,14 @@ static void
gtk_list_view_update_factories (GtkListView *self)
{
gtk_list_view_update_factories_with (self,
gtk_list_view_is_inert (self) ? NULL : self->factory);
gtk_list_view_is_inert (self) ? NULL : self->factory,
gtk_list_view_is_inert (self) ? NULL : self->header_factory);
}
static void
gtk_list_view_clear_factories (GtkListView *self)
{
gtk_list_view_update_factories_with (self, NULL);
gtk_list_view_update_factories_with (self, NULL, NULL);
}
static GtkListItemBase *
@ -275,6 +282,20 @@ gtk_list_view_create_list_widget (GtkListBase *base)
return GTK_LIST_ITEM_BASE (result);
}
static GtkListHeaderBase *
gtk_list_view_create_header_widget (GtkListBase *base)
{
GtkListView *self = GTK_LIST_VIEW (base);
GtkListItemFactory *factory;
if (gtk_list_view_is_inert (self))
factory = NULL;
else
factory = self->header_factory;
return GTK_LIST_HEADER_BASE (gtk_list_header_widget_new (factory));
}
static gboolean
gtk_list_view_get_allocation (GtkListBase *base,
guint pos,
@ -527,8 +548,11 @@ gtk_list_view_measure_list (GtkWidget *widget,
gtk_widget_measure (tile->widget,
orientation, for_size,
&child_min, &child_nat, NULL, NULL);
g_array_append_val (min_heights, child_min);
g_array_append_val (nat_heights, child_nat);
if (tile->type == GTK_LIST_TILE_ITEM)
{
g_array_append_val (min_heights, child_min);
g_array_append_val (nat_heights, child_nat);
}
min += child_min;
nat += child_nat;
}
@ -622,7 +646,8 @@ gtk_list_view_size_allocate (GtkWidget *widget,
else
row_height = nat;
gtk_list_tile_set_area_size (self->item_manager, tile, list_width, row_height);
g_array_append_val (heights, row_height);
if (tile->type == GTK_LIST_TILE_ITEM)
g_array_append_val (heights, row_height);
}
/* step 3: determine height of unknown items and set the positions */
@ -723,6 +748,10 @@ gtk_list_view_get_property (GObject *object,
g_value_set_object (value, self->factory);
break;
case PROP_HEADER_FACTORY:
g_value_set_object (value, self->header_factory);
break;
case PROP_MODEL:
g_value_set_object (value, gtk_list_base_get_model (GTK_LIST_BASE (self)));
break;
@ -763,6 +792,10 @@ gtk_list_view_set_property (GObject *object,
gtk_list_view_set_factory (self, g_value_get_object (value));
break;
case PROP_HEADER_FACTORY:
gtk_list_view_set_header_factory (self, g_value_get_object (value));
break;
case PROP_MODEL:
gtk_list_view_set_model (self, g_value_get_object (value));
break;
@ -812,6 +845,8 @@ gtk_list_view_class_init (GtkListViewClass *klass)
list_base_class->split = gtk_list_view_split;
list_base_class->create_list_widget = gtk_list_view_create_list_widget;
list_base_class->prepare_section = gtk_list_view_prepare_section;
list_base_class->create_header_widget = gtk_list_view_create_header_widget;
list_base_class->get_allocation = gtk_list_view_get_allocation;
list_base_class->get_items_in_rect = gtk_list_view_get_items_in_rect;
list_base_class->get_position_from_allocation = gtk_list_view_get_position_from_allocation;
@ -849,6 +884,18 @@ gtk_list_view_class_init (GtkListViewClass *klass)
GTK_TYPE_LIST_ITEM_FACTORY,
G_PARAM_READWRITE | G_PARAM_EXPLICIT_NOTIFY | G_PARAM_STATIC_STRINGS);
/**
* GtkListView:header-factory: (attributes org.gtk.Property.get=gtk_list_view_get_header_factory org.gtk.Property.set=gtk_list_view_set_header_factory)
*
* Factory for creating header widgets.
*
* Since: 4.12
*/
properties[PROP_HEADER_FACTORY] =
g_param_spec_object ("header-factory", NULL, NULL,
GTK_TYPE_LIST_ITEM_FACTORY,
G_PARAM_READWRITE | G_PARAM_EXPLICIT_NOTIFY | G_PARAM_STATIC_STRINGS);
/**
* GtkListView:model: (attributes org.gtk.Property.get=gtk_list_view_get_model org.gtk.Property.set=gtk_list_view_set_model)
*
@ -1070,6 +1117,68 @@ gtk_list_view_set_factory (GtkListView *self,
g_object_notify_by_pspec (G_OBJECT (self), properties[PROP_FACTORY]);
}
/**
* gtk_list_view_get_header_factory: (attributes org.gtk.Method.get_property=header-factory)
* @self: a `GtkListView`
*
* Gets the factory that's currently used to populate section headers.
*
* Returns: (nullable) (transfer none): The factory in use
*
* Since: 4.12
*/
GtkListItemFactory *
gtk_list_view_get_header_factory (GtkListView *self)
{
g_return_val_if_fail (GTK_IS_LIST_VIEW (self), NULL);
return self->header_factory;
}
/**
* gtk_list_view_set_header_factory: (attributes org.gtk.Method.set_property=header-factory)
* @self: a `GtkListView`
* @factory: (nullable) (transfer none): the factory to use
*
* Sets the `GtkListItemFactory` to use for populating the
* [class@Gtk.ListHeader] objects used in section headers.
*
* If this factory is set to %NULL, the list will not show section headers.
*
* Since: 4.12
*/
void
gtk_list_view_set_header_factory (GtkListView *self,
GtkListItemFactory *factory)
{
gboolean had_sections;
g_return_if_fail (GTK_IS_LIST_VIEW (self));
g_return_if_fail (factory == NULL || GTK_IS_LIST_ITEM_FACTORY (factory));
had_sections = gtk_list_item_manager_get_has_sections (self->item_manager);
if (!g_set_object (&self->header_factory, factory))
return;
gtk_list_item_manager_set_has_sections (self->item_manager, factory != NULL);
if (had_sections && gtk_list_item_manager_get_has_sections (self->item_manager))
{
GtkListTile *tile;
for (tile = gtk_list_item_manager_get_first (self->item_manager);
tile != NULL;
tile = gtk_rb_tree_node_get_next (tile))
{
if (tile->widget && tile->type == GTK_LIST_TILE_HEADER)
gtk_list_header_widget_set_factory (GTK_LIST_HEADER_WIDGET (tile->widget), factory);
}
}
g_object_notify_by_pspec (G_OBJECT (self), properties[PROP_HEADER_FACTORY]);
}
/**
* gtk_list_view_set_show_separators: (attributes org.gtk.Method.set_property=show-separators)
* @self: a `GtkListView`
@ -1139,7 +1248,7 @@ gtk_list_view_set_single_click_activate (GtkListView *self,
tile != NULL;
tile = gtk_rb_tree_node_get_next (tile))
{
if (tile->widget)
if (tile->widget && tile->type == GTK_LIST_TILE_ITEM)
gtk_list_factory_widget_set_single_click_activate (GTK_LIST_FACTORY_WIDGET (tile->widget), single_click_activate);
}

7
gtk/gtklistview.h
View File

@ -57,6 +57,13 @@ GDK_AVAILABLE_IN_ALL
GtkListItemFactory *
gtk_list_view_get_factory (GtkListView *self);
GDK_AVAILABLE_IN_4_12
void gtk_list_view_set_header_factory (GtkListView *self,
GtkListItemFactory *factory);
GDK_AVAILABLE_IN_4_12
GtkListItemFactory *
gtk_list_view_get_header_factory (GtkListView *self);
GDK_AVAILABLE_IN_ALL
void gtk_list_view_set_show_separators (GtkListView *self,
gboolean show_separators);

1
gtk/gtklistviewprivate.h
View File

@ -30,6 +30,7 @@ struct _GtkListView
GtkListItemManager *item_manager;
GtkListItemFactory *factory;
GtkListItemFactory *header_factory;
gboolean show_separators;
gboolean single_click_activate;
};

3
gtk/meson.build
View File

@ -271,7 +271,9 @@ gtk_public_sources = files([
'gtklinkbutton.c',
'gtklistbox.c',
'gtklistfactorywidget.c',
'gtklistheader.c',
'gtklistheaderbase.c',
'gtklistheaderwidget.c',
'gtklistitem.c',
'gtklistitembase.c',
'gtklistitemfactory.c',
@ -520,6 +522,7 @@ gtk_public_headers = files([
'gtklinkbutton.h',
'gtklistbase.h',
'gtklistbox.h',
'gtklistheader.h',
'gtklistitem.h',
'gtklistitemfactory.h',
'gtklistview.h',