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// -*- Mode: C++; indent-tabs-mode: nil; tab-width: 2 -*-
/*
* Copyright (C) 2013 Canonical Ltd
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 3 as
* published by the Free Software Foundation.
*
* 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/>.
*
* Authored by: Marco Trevisan <marco.trevisan@canonical.com>
*/
#ifndef UNITY_DECORATION_STYLE
#define UNITY_DECORATION_STYLE
#include <NuxCore/Property.h>
#include <NuxCore/Rect.h>
#include <cairo/cairo.h>
#include <memory>
#include <vector>
struct _GtkStyleContext;
namespace unity
{
namespace decoration
{
enum class Side : unsigned
{
TOP = 0,
LEFT,
RIGHT,
BOTTOM,
};
enum class Alignment
{
LEFT,
CENTER,
RIGHT,
FLOATING
};
enum class WidgetState : unsigned
{
NORMAL,
PRELIGHT,
PRESSED,
DISABLED,
BACKDROP,
BACKDROP_PRELIGHT,
BACKDROP_PRESSED,
Size
};
enum class WindowButtonType : unsigned
{
CLOSE,
MINIMIZE,
UNMAXIMIZE,
MAXIMIZE,
Size
};
enum class WMEvent
{
DOUBLE_CLICK = 1,
MIDDLE_CLICK = 2,
RIGHT_CLICK = 3
};
enum class WMAction
{
TOGGLE_SHADE,
TOGGLE_MAXIMIZE,
TOGGLE_MAXIMIZE_HORIZONTALLY,
TOGGLE_MAXIMIZE_VERTICALLY,
MINIMIZE,
SHADE,
MENU,
LOWER,
NONE
};
struct Border
{
Border(int top, int left, int right, int bottom)
: top(top)
, left(left)
, right(right)
, bottom(bottom)
{}
Border()
: Border(0, 0, 0, 0)
{}
int top;
int left;
int right;
int bottom;
};
class Style
{
public:
typedef std::shared_ptr<Style> Ptr;
static Style::Ptr const& Get();
~Style();
nux::ROProperty<std::string> theme;
nux::ROProperty<std::string> font;
nux::Property<std::string> title_font;
nux::Property<unsigned> grab_wait;
nux::Property<double> font_scale;
decoration::Border const& Border() const;
decoration::Border const& InputBorder() const;
decoration::Border const& CornerRadius() const;
decoration::Border Padding(Side, WidgetState ws = WidgetState::NORMAL) const;
nux::Point ShadowOffset() const;
nux::Color ActiveShadowColor() const;
unsigned ActiveShadowRadius() const;
nux::Color InactiveShadowColor() const;
unsigned InactiveShadowRadius() const;
unsigned GlowSize() const;
nux::Color const& GlowColor() const;
Alignment TitleAlignment() const;
float TitleAlignmentValue() const;
int TitleIndent() const;
nux::Size TitleNaturalSize(std::string const&);
nux::Size MenuItemNaturalSize(std::string const&);
std::string ThemedFilePath(std::string const& basename, std::vector<std::string> const& extra_folders = {}) const;
std::string WindowButtonFile(WindowButtonType, WidgetState) const;
void DrawWindowButton(WindowButtonType, WidgetState, cairo_t*, double width, double height);
WMAction WindowManagerAction(WMEvent) const;
int DoubleClickMaxDistance() const;
int DoubleClickMaxTimeDelta() const;
void DrawSide(Side, WidgetState, cairo_t*, double width, double height);
void DrawTitle(std::string const&, WidgetState, cairo_t*, double width, double height, nux::Rect const& bg_geo = nux::Rect(), _GtkStyleContext* ctx = nullptr);
void DrawMenuItem(WidgetState, cairo_t*, double width, double height);
void DrawMenuItemEntry(std::string const&, WidgetState, cairo_t*, double width, double height, nux::Rect const& bg_geo = nux::Rect());
void DrawMenuItemIcon(std::string const&, WidgetState, cairo_t*, int size);
private:
Style();
Style(Style const&) = delete;
Style& operator=(Style const&) = delete;
struct Impl;
std::unique_ptr<Impl> impl_;
};
} // decoration namespace
} // unity namespace
#endif
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