aseprite/src/ui/theme.h

143 lines
4.7 KiB
C++

// Aseprite UI Library
// Copyright (C) 2001-2017 David Capello
//
// This file is released under the terms of the MIT license.
// Read LICENSE.txt for more information.
#ifndef UI_THEME_H_INCLUDED
#define UI_THEME_H_INCLUDED
#pragma once
#include "gfx/border.h"
#include "gfx/color.h"
#include "gfx/rect.h"
#include "gfx/size.h"
#include "ui/base.h"
#include "ui/cursor_type.h"
#include "ui/style.h"
namespace gfx {
class Region;
}
namespace she {
class Font;
class Surface;
}
namespace ui {
class Cursor;
class Graphics;
class PaintEvent;
class SizeHintEvent;
class Widget;
class Theme {
public:
Theme();
virtual ~Theme();
void regenerate();
int guiscale() const { return m_guiscale; }
void setScale(int value) { m_guiscale = value; }
virtual she::Font* getDefaultFont() const = 0;
virtual she::Font* getWidgetFont(const Widget* widget) const = 0;
virtual Cursor* getCursor(CursorType type) = 0;
virtual void initWidget(Widget* widget) = 0;
virtual void getWindowMask(Widget* widget, gfx::Region& region) = 0;
virtual void setDecorativeWidgetBounds(Widget* widget);
virtual int getScrollbarSize() = 0;
virtual gfx::Size getEntryCaretSize(Widget* widget) = 0;
virtual void paintDesktop(PaintEvent& ev) = 0;
virtual void paintBox(PaintEvent& ev) = 0;
virtual void paintCheckBox(PaintEvent& ev) = 0;
virtual void paintEntry(PaintEvent& ev) = 0;
virtual void paintGrid(PaintEvent& ev) = 0;
virtual void paintListBox(PaintEvent& ev) = 0;
virtual void paintListItem(PaintEvent& ev) = 0;
virtual void paintMenu(PaintEvent& ev) = 0;
virtual void paintMenuItem(PaintEvent& ev) = 0;
virtual void paintSplitter(PaintEvent& ev) = 0;
virtual void paintRadioButton(PaintEvent& ev) = 0;
virtual void paintSeparator(PaintEvent& ev) = 0;
virtual void paintSlider(PaintEvent& ev) = 0;
virtual void paintComboBoxEntry(PaintEvent& ev) = 0;
virtual void paintTextBox(PaintEvent& ev) = 0;
virtual void paintViewScrollbar(PaintEvent& ev) = 0;
virtual void paintViewViewport(PaintEvent& ev) = 0;
// Default implementation to draw widgets with new ui::Styles
virtual void paintWidget(Graphics* g,
const Widget* widget,
const Style* style,
const gfx::Rect& bounds);
virtual void paintTooltip(Graphics* g,
const Widget* widget,
const Style* style,
const Style* arrowStyle,
const gfx::Rect& bounds,
const int arrowAlign,
const gfx::Rect& target);
virtual gfx::Size calcSizeHint(const Widget* widget,
const Style* style);
virtual gfx::Border calcBorder(const Widget* widget,
const Style* style);
virtual void calcSlices(const Widget* widget,
const Style* style,
gfx::Size& topLeft,
gfx::Size& center,
gfx::Size& bottomRight);
virtual gfx::Color calcBgColor(const Widget* widget,
const Style* style);
static void drawSlices(Graphics* g,
she::Surface* sheet,
const gfx::Rect& rc,
const gfx::Rect& sprite,
const gfx::Rect& slices,
const bool drawCenter = true);
static void drawTextBox(Graphics* g, Widget* textbox,
int* w, int* h, gfx::Color bg, gfx::Color fg);
protected:
virtual void onRegenerate() = 0;
private:
void paintLayer(Graphics* g,
const Widget* widget,
const Style::Layer& layer,
gfx::Rect& rc);
void measureLayer(const Widget* widget,
const Style::Layer& layer,
gfx::Border& borderHint,
gfx::Size& textHint, int& textAlign,
gfx::Size& iconHint, int& iconAlign);
void calcWidgetMetrics(const Widget* widget,
const Style* style,
gfx::Size& sizeHint,
gfx::Border& borderHint);
int m_guiscale;
};
void set_theme(Theme* theme);
Theme* get_theme();
// This value is a factor to multiply every screen size/coordinate.
// Every icon/graphics/font should be scaled to this factor.
inline int guiscale() {
return (get_theme() ? get_theme()->guiscale(): 1);
}
} // namespace ui
#endif