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93 lines
2.2 KiB
C++
93 lines
2.2 KiB
C++
// Aseprite UI Library
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// Copyright (C) 2001-2018 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_TOOLTIPS_H_INCLUDED
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#define UI_TOOLTIPS_H_INCLUDED
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#pragma once
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#include "ui/base.h"
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#include "ui/popup_window.h"
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#include "ui/timer.h"
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#include "ui/window.h"
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#include <map>
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#include <memory>
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namespace ui {
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class TextBox;
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class TipWindow;
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class TooltipManager : public Widget {
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public:
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TooltipManager();
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~TooltipManager();
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void addTooltipFor(Widget* widget, const std::string& text, int arrowAlign = 0);
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void removeTooltipFor(Widget* widget);
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protected:
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bool onProcessMessage(Message* msg) override;
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void onInitTheme(InitThemeEvent& ev) override;
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private:
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void onTick();
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struct TipInfo {
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std::string text;
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int arrowAlign;
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TipInfo() { }
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TipInfo(const std::string& text, int arrowAlign)
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: text(text), arrowAlign(arrowAlign) {
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}
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};
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typedef std::map<Widget*, TipInfo> Tips;
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Tips m_tips; // All tips.
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std::unique_ptr<TipWindow> m_tipWindow; // Frame to show tooltips.
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std::unique_ptr<Timer> m_timer; // Timer to control the tooltip delay.
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struct {
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Widget* widget;
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TipInfo tipInfo;
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} m_target;
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};
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class TipWindow : public PopupWindow {
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public:
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TipWindow(const std::string& text = "");
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Style* arrowStyle() { return m_arrowStyle; }
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void setArrowStyle(Style* style) { m_arrowStyle = style; }
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int arrowAlign() const { return m_arrowAlign; }
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const gfx::Rect& target() const { return m_target; }
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void setCloseOnKeyDown(bool state);
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// Returns false there is no enough screen space to show the
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// window.
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bool pointAt(int arrowAlign, const gfx::Rect& target);
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TextBox* textBox() const { return m_textBox; }
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protected:
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bool onProcessMessage(Message* msg) override;
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void onPaint(PaintEvent& ev) override;
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void onBuildTitleLabel() override;
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private:
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Style* m_arrowStyle;
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int m_arrowAlign;
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gfx::Rect m_target;
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bool m_closeOnKeyDown;
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TextBox* m_textBox;
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};
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} // namespace ui
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#endif
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