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/* gtkcustomlayout.h: Simple layout manager
* Copyright 2019 GNOME Foundation
*
* 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/>.
*/
#pragma once
#include <gtk/gtklayoutmanager.h>
G_BEGIN_DECLS
#define GTK_TYPE_CUSTOM_LAYOUT (gtk_custom_layout_get_type ())
/**
* GtkCustomRequestModeFunc:
* @widget: the widget to be queried
*
* Queries a widget for its preferred size request mode.
*
* Returns: the size request mode
*/
typedef GtkSizeRequestMode (* GtkCustomRequestModeFunc) (GtkWidget *widget);
/**
* GtkCustomMeasureFunc:
* @widget: the widget to be measured
* @orientation: the direction to be measured
* @for_size: the size to be measured for
* @minimum: (out): the measured minimum size of the widget
* @natural: (out): the measured natural size of the widget
* @minimum_baseline: (out): the measured minimum baseline of the widget
* @natural_baseline: (out): the measured natural baseline of the widget
*
* A function to be used by `GtkCustomLayout` to measure a widget.
*/
typedef void (* GtkCustomMeasureFunc) (GtkWidget *widget,
GtkOrientation orientation,
int for_size,
int *minimum,
int *natural,
int *minimum_baseline,
int *natural_baseline);
/**
* GtkCustomAllocateFunc:
* @widget: the widget to allocate
* @width: the new width of the widget
* @height: the new height of the widget
* @baseline: the new baseline of the widget, or -1
*
* A function to be used by `GtkCustomLayout` to allocate a widget.
*/
typedef void (* GtkCustomAllocateFunc) (GtkWidget *widget,
int width,
int height,
int baseline);
GDK_AVAILABLE_IN_ALL
G_DECLARE_FINAL_TYPE (GtkCustomLayout, gtk_custom_layout, GTK, CUSTOM_LAYOUT, GtkLayoutManager)
GDK_AVAILABLE_IN_ALL
GtkLayoutManager * gtk_custom_layout_new (GtkCustomRequestModeFunc request_mode,
GtkCustomMeasureFunc measure,
GtkCustomAllocateFunc allocate);
G_END_DECLS
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