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153 lines
5.0 KiB
C++
153 lines
5.0 KiB
C++
// Aseprite UI Library
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// Copyright (C) 2001-2017 David Capello
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//
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// This file is released under the terms of the MIT license.
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// Read LICENSE.txt for more information.
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#ifndef UI_THEME_H_INCLUDED
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#define UI_THEME_H_INCLUDED
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#pragma once
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#include "gfx/border.h"
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#include "gfx/color.h"
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#include "gfx/rect.h"
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#include "gfx/size.h"
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#include "ui/base.h"
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#include "ui/cursor_type.h"
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#include "ui/style.h"
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namespace gfx {
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class Region;
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}
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namespace os {
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class Font;
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class Surface;
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}
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namespace ui {
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class Cursor;
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class Graphics;
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class PaintEvent;
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class SizeHintEvent;
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class Widget;
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class Theme;
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void set_theme(Theme* theme, const int uiscale);
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Theme* get_theme();
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struct PaintWidgetPartInfo {
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gfx::Color bgColor;
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int styleFlags; // ui::Style::Layer flags
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const std::string* text;
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int mnemonic;
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PaintWidgetPartInfo();
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PaintWidgetPartInfo(const Widget* widget);
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static int getStyleFlagsForWidget(const Widget* widget);
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};
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class Theme {
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friend void set_theme(Theme* theme, const int uiscale);
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public:
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Theme();
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virtual ~Theme();
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virtual os::Font* getDefaultFont() const = 0;
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virtual os::Font* getWidgetFont(const Widget* widget) const = 0;
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virtual Cursor* getStandardCursor(CursorType type) = 0;
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virtual void initWidget(Widget* widget) = 0;
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virtual void getWindowMask(Widget* widget, gfx::Region& region) = 0;
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virtual void setDecorativeWidgetBounds(Widget* widget);
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virtual int getScrollbarSize() = 0;
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virtual gfx::Size getEntryCaretSize(Widget* widget) = 0;
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virtual void paintEntry(PaintEvent& ev) = 0;
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virtual void paintListBox(PaintEvent& ev) = 0;
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virtual void paintMenu(PaintEvent& ev) = 0;
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virtual void paintMenuItem(PaintEvent& ev) = 0;
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virtual void paintSlider(PaintEvent& ev) = 0;
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virtual void paintComboBoxEntry(PaintEvent& ev) = 0;
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virtual void paintTextBox(PaintEvent& ev) = 0;
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virtual void paintViewViewport(PaintEvent& ev) = 0;
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virtual void paintWidgetPart(Graphics* g,
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const Style* style,
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const gfx::Rect& bounds,
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const PaintWidgetPartInfo& info);
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// Default implementation to draw widgets with new ui::Styles
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virtual void paintWidget(Graphics* g,
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const Widget* widget,
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const Style* style,
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const gfx::Rect& bounds);
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virtual void paintScrollBar(Graphics* g,
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const Widget* widget,
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const Style* style,
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const Style* thumbStyle,
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const gfx::Rect& bounds,
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const gfx::Rect& thumbBounds);
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virtual void paintTooltip(Graphics* g,
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const Widget* widget,
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const Style* style,
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const Style* arrowStyle,
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const gfx::Rect& bounds,
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const int arrowAlign,
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const gfx::Rect& target);
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virtual gfx::Size calcSizeHint(const Widget* widget,
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const Style* style);
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virtual gfx::Border calcBorder(const Widget* widget,
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const Style* style);
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virtual void calcSlices(const Widget* widget,
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const Style* style,
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gfx::Size& topLeft,
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gfx::Size& center,
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gfx::Size& bottomRight);
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virtual gfx::Color calcBgColor(const Widget* widget,
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const Style* style);
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static void drawSlices(Graphics* g,
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os::Surface* sheet,
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const gfx::Rect& rc,
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const gfx::Rect& sprite,
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const gfx::Rect& slices,
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const gfx::Color color,
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const bool drawCenter = true);
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static void drawTextBox(Graphics* g, Widget* textbox,
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int* w, int* h, gfx::Color bg, gfx::Color fg);
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protected:
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virtual void onRegenerateTheme() = 0;
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private:
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void regenerateTheme();
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void paintLayer(Graphics* g,
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const Style* style,
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const Style::Layer& layer,
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const std::string& text,
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const int mnemonic,
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gfx::Rect& rc,
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gfx::Color& bgColor);
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void measureLayer(const Widget* widget,
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const Style* style,
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const Style::Layer& layer,
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gfx::Border& borderHint,
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gfx::Size& textHint, int& textAlign,
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gfx::Size& iconHint, int& iconAlign);
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void calcWidgetMetrics(const Widget* widget,
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const Style* style,
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gfx::Size& sizeHint,
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gfx::Border& borderHint);
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};
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} // namespace ui
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#endif
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