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/*
* Copyright (C) 2001 Havoc Pennington
* Copyright (C) 2016 Alberts Muktupāvels
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef META_FRAME_LAYOUT_PRIVATE_H
#define META_FRAME_LAYOUT_PRIVATE_H
#include <gtk/gtk.h>
G_BEGIN_DECLS
typedef struct _MetaFrameLayout MetaFrameLayout;
/**
* Whether a button's size is calculated from the area around it (aspect
* sizing) or is given as a fixed height and width in pixels (fixed sizing).
*
* \bug This could be done away with; see the comment at the top of
* MetaFrameLayout.
*/
typedef enum
{
META_BUTTON_SIZING_ASPECT,
META_BUTTON_SIZING_FIXED,
META_BUTTON_SIZING_LAST
} MetaButtonSizing;
/**
* Various parameters used to calculate the geometry of a frame.
* They are used inside a MetaFrameStyle.
* This corresponds closely to the <frame_geometry> tag in a theme file.
*
* \bug button_sizing isn't really necessary, because we could easily say
* that if button_aspect is zero, the height and width are fixed values.
* This would also mean that MetaButtonSizing didn't need to exist, and
* save code.
**/
struct _MetaFrameLayout
{
gint refcount;
struct {
/** Border/padding of the entire frame */
GtkBorder frame_border;
/** Shadow border used in invisible resize area */
GtkBorder shadow_border;
/** Border/padding of the titlebar region */
GtkBorder titlebar_border;
/** Border/padding of titlebar buttons */
/** Size of images in buttons */
guint icon_size;
/** Space between titlebar elements */
guint titlebar_spacing;
/** Margin of title */
GtkBorder title_margin;
/** Margin of titlebar buttons */
GtkBorder button_margin;
/** Min size of titlebar region */
GtkRequisition titlebar_min_size;
/** Min size of titlebar buttons */
GtkRequisition button_min_size;
} gtk;
struct {
/** Size of left side */
gint left_width;
/** Size of right side */
gint right_width;
/** Size of bottom side */
gint bottom_height;
/** Border of blue title region
* \bug (blue?!)
**/
GtkBorder title_border;
/** Extra height for inside of title region, above the font height */
int title_vertical_pad;
/** Right indent of buttons from edges of frame */
int right_titlebar_edge;
/** Left indent of buttons from edges of frame */
int left_titlebar_edge;
/**
* Sizing rule of buttons, either META_BUTTON_SIZING_ASPECT
* (in which case button_aspect will be honoured, and
* button_width and button_height set from it), or
* META_BUTTON_SIZING_FIXED (in which case we read the width
* and height directly).
*/
MetaButtonSizing button_sizing;
/**
* Ratio of height/width. Honoured only if
* button_sizing==META_BUTTON_SIZING_ASPECT.
* Otherwise we figure out the height from the button_border.
*/
double button_aspect;
/** Width of a button; set even when we are using aspect sizing */
gint button_width;
/** Height of a button; set even when we are using aspect sizing */
gint button_height;
} metacity;
/** Invisible resize area border */
GtkBorder invisible_resize_border;
/** Space around buttons */
GtkBorder button_border;
/** scale factor for title text */
double title_scale;
/** Whether title text will be displayed */
guint has_title : 1;
/** Whether we should hide the buttons */
guint hide_buttons : 1;
/** Radius of the top left-hand corner; 0 if not rounded */
guint top_left_corner_rounded_radius;
/** Radius of the top right-hand corner; 0 if not rounded */
guint top_right_corner_rounded_radius;
/** Radius of the bottom left-hand corner; 0 if not rounded */
guint bottom_left_corner_rounded_radius;
/** Radius of the bottom right-hand corner; 0 if not rounded */
guint bottom_right_corner_rounded_radius;
};
G_GNUC_INTERNAL
MetaFrameLayout *meta_frame_layout_new (void);
G_GNUC_INTERNAL
MetaFrameLayout *meta_frame_layout_copy (const MetaFrameLayout *src);
G_GNUC_INTERNAL
void meta_frame_layout_ref (MetaFrameLayout *layout);
G_GNUC_INTERNAL
void meta_frame_layout_unref (MetaFrameLayout *layout);
G_GNUC_INTERNAL
gboolean meta_frame_layout_validate (const MetaFrameLayout *layout,
GError **error);
G_END_DECLS
#endif
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