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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_STYLE_H
#define META_FRAME_STYLE_H
#include <libmetacity/meta-button-enums.h>
#include <libmetacity/meta-frame-enums.h>
#include <libmetacity/meta-frame-layout.h>
G_BEGIN_DECLS
typedef struct _MetaColorSpec MetaColorSpec;
typedef struct _MetaFrameStyle MetaFrameStyle;
typedef struct _MetaFrameStyleSet MetaFrameStyleSet;
typedef struct _MetaDrawOpList MetaDrawOpList;
/**
* How to draw a frame in a particular state (say, a focussed, non-maximised,
* resizable frame). This corresponds closely to the <frame_style> tag
* in a theme file.
*/
struct _MetaFrameStyle
{
/** Reference count. */
int refcount;
/**
* Parent style.
* Settings which are unspecified here will be taken from there.
*/
MetaFrameStyle *parent;
/** Operations for drawing each kind of button in each state. */
MetaDrawOpList *buttons[META_BUTTON_TYPE_LAST][META_BUTTON_STATE_LAST];
/** Operations for drawing each piece of the frame. */
MetaDrawOpList *pieces[META_FRAME_PIECE_LAST];
/**
* Details such as the height and width of each edge, the corner rounding,
* and the aspect ratio of the buttons.
*/
MetaFrameLayout *layout;
/**
* Background colour of the window. Only present in theme formats
* 2 and above. Can be NULL to use the standard GTK theme engine.
*/
MetaColorSpec *window_background_color;
/**
* Transparency of the window background. 0=transparent; 255=opaque.
*/
guint8 window_background_alpha;
};
/**
* How to draw frames at different times: when it's maximised or not, shaded
* or not, when it's focussed or not, and (for non-maximised windows), when
* it can be horizontally or vertically resized, both, or neither.
* Not all window types actually get a frame.
*
* A theme contains one of these objects for each type of window (each
* MetaFrameType), that is, normal, dialogue (modal and non-modal), etc.
*
* This corresponds closely to the <frame_style_set> tag in a theme file.
*/
struct _MetaFrameStyleSet
{
int refcount;
MetaFrameStyleSet *parent;
MetaFrameStyle *normal_styles[META_FRAME_RESIZE_LAST][META_FRAME_FOCUS_LAST];
MetaFrameStyle *maximized_styles[META_FRAME_FOCUS_LAST];
MetaFrameStyle *tiled_left_styles[META_FRAME_FOCUS_LAST];
MetaFrameStyle *tiled_right_styles[META_FRAME_FOCUS_LAST];
MetaFrameStyle *shaded_styles[META_FRAME_RESIZE_LAST][META_FRAME_FOCUS_LAST];
MetaFrameStyle *maximized_and_shaded_styles[META_FRAME_FOCUS_LAST];
MetaFrameStyle *tiled_left_and_shaded_styles[META_FRAME_FOCUS_LAST];
MetaFrameStyle *tiled_right_and_shaded_styles[META_FRAME_FOCUS_LAST];
};
MetaFrameStyle *meta_frame_style_new (MetaFrameStyle *parent);
void meta_frame_style_ref (MetaFrameStyle *style);
void meta_frame_style_unref (MetaFrameStyle *style);
void meta_frame_style_apply_scale (const MetaFrameStyle *style,
PangoFontDescription *font_desc);
gboolean meta_frame_style_validate (MetaFrameStyle *style,
guint current_theme_version,
GError **error);
MetaDrawOpList *meta_frame_style_get_button (MetaFrameStyle *style,
MetaButtonType type,
MetaButtonState state);
MetaFrameStyleSet *meta_frame_style_set_new (MetaFrameStyleSet *parent);
void meta_frame_style_set_ref (MetaFrameStyleSet *style_set);
void meta_frame_style_set_unref (MetaFrameStyleSet *style_set);
gboolean meta_frame_style_set_validate (MetaFrameStyleSet *style_set,
GError **error);
MetaFrameStyle *meta_frame_style_set_get_style (MetaFrameStyleSet *style_set,
MetaFrameState state,
MetaFrameResize resize,
MetaFrameFocus focus);
G_END_DECLS
#endif
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