forked from AuroraMiddleware/gtk
78 lines
3.0 KiB
C
78 lines
3.0 KiB
C
/* gtkcustomlayout.h: Simple layout manager
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* Copyright 2019 GNOME Foundation
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library. If not, see <http://www.gnu.org/licenses/>.
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*/
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#pragma once
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#include <gtk/gtklayoutmanager.h>
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G_BEGIN_DECLS
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#define GTK_TYPE_CUSTOM_LAYOUT (gtk_custom_layout_get_type ())
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/**
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* GtkCustomRequestModeFunc:
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* @widget: the widget to be queried
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*
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* Queries a widget for its preferred size request mode.
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*
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* Returns: the size request mode
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*/
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typedef GtkSizeRequestMode (* GtkCustomRequestModeFunc) (GtkWidget *widget);
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/**
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* GtkCustomMeasureFunc:
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* @widget: the widget to be measured
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* @orientation: the direction to be measured
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* @for_size: the size to be measured for
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* @minimum: (out): the measured minimum size of the widget
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* @natural: (out): the measured natural size of the widget
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* @minimum_baseline: (out): the measured minimum baseline of the widget
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* @natural_baseline: (out): the measured natural baseline of the widget
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*
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* A function to be used by `GtkCustomLayout` to measure a widget.
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*/
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typedef void (* GtkCustomMeasureFunc) (GtkWidget *widget,
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GtkOrientation orientation,
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int for_size,
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int *minimum,
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int *natural,
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int *minimum_baseline,
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int *natural_baseline);
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/**
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* GtkCustomAllocateFunc:
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* @widget: the widget to allocate
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* @width: the new width of the widget
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* @height: the new height of the widget
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* @baseline: the new baseline of the widget, or -1
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*
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* A function to be used by `GtkCustomLayout` to allocate a widget.
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*/
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typedef void (* GtkCustomAllocateFunc) (GtkWidget *widget,
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int width,
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int height,
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int baseline);
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GDK_AVAILABLE_IN_ALL
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G_DECLARE_FINAL_TYPE (GtkCustomLayout, gtk_custom_layout, GTK, CUSTOM_LAYOUT, GtkLayoutManager)
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GDK_AVAILABLE_IN_ALL
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GtkLayoutManager * gtk_custom_layout_new (GtkCustomRequestModeFunc request_mode,
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GtkCustomMeasureFunc measure,
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GtkCustomAllocateFunc allocate);
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G_END_DECLS
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