juce_HyperlinkButton.cpp

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/*
  ==============================================================================
 
   This file is part of the JUCE library.
   Copyright (c) 2022 - Raw Material Software Limited
 
   JUCE is an open source library subject to commercial or open-source
   licensing.
 
   By using JUCE, you agree to the terms of both the JUCE 7 End-User License
   Agreement and JUCE Privacy Policy.
 
   End User License Agreement: www.juce.com/juce-7-licence
   Privacy Policy: www.juce.com/juce-privacy-policy
 
   Or: You may also use this code under the terms of the GPL v3 (see
   www.gnu.org/licenses).
 
   JUCE IS PROVIDED "AS IS" WITHOUT ANY WARRANTY, AND ALL WARRANTIES, WHETHER
   EXPRESSED OR IMPLIED, INCLUDING MERCHANTABILITY AND FITNESS FOR PURPOSE, ARE
   DISCLAIMED.
 
  ==============================================================================
*/
 
namespace juce
{
 
HyperlinkButton::HyperlinkButton (const String& linkText,
                                  const URL& linkURL)
   : Button (linkText),
     url (linkURL),
     font (14.0f, Font::underlined),
     resizeFont (true),
     justification (Justification::centred)
{
    setMouseCursor (MouseCursor::PointingHandCursor);
    setTooltip (linkURL.toString (false));
}
 
HyperlinkButton::HyperlinkButton()
   : Button (String()),
     font (14.0f, Font::underlined),
     resizeFont (true),
     justification (Justification::centred)
{
    setMouseCursor (MouseCursor::PointingHandCursor);
}
 
HyperlinkButton::~HyperlinkButton()
{
}
 
//==============================================================================
void HyperlinkButton::setFont (const Font& newFont,
                               const bool resizeToMatchComponentHeight,
                               Justification justificationType)
{
    font = newFont;
    resizeFont = resizeToMatchComponentHeight;
    justification = justificationType;
    repaint();
}
 
void HyperlinkButton::setURL (const URL& newURL) noexcept
{
    url = newURL;
    setTooltip (newURL.toString (false));
}
 
Font HyperlinkButton::getFontToUse() const
{
    if (resizeFont)
        return font.withHeight ((float) getHeight() * 0.7f);
 
    return font;
}
 
void HyperlinkButton::changeWidthToFitText()
{
    setSize (getFontToUse().getStringWidth (getButtonText()) + 6, getHeight());
}
 
void HyperlinkButton::setJustificationType (Justification newJustification)
{
    if (justification != newJustification)
    {
        justification = newJustification;
        repaint();
    }
}
 
void HyperlinkButton::colourChanged()
{
    repaint();
}
 
//==============================================================================
void HyperlinkButton::clicked()
{
    if (url.isWellFormed())
        url.launchInDefaultBrowser();
}
 
void HyperlinkButton::paintButton (Graphics& g,
                                   bool shouldDrawButtonAsHighlighted,
                                   bool shouldDrawButtonAsDown)
{
    const Colour textColour (findColour (textColourId));
 
    if (isEnabled())
        g.setColour ((shouldDrawButtonAsHighlighted) ? textColour.darker ((shouldDrawButtonAsDown) ? 1.3f : 0.4f)
                                         : textColour);
    else
        g.setColour (textColour.withMultipliedAlpha (0.4f));
 
    g.setFont (getFontToUse());
 
    g.drawText (getButtonText(), getLocalBounds().reduced (1, 0),
                justification.getOnlyHorizontalFlags() | Justification::verticallyCentred,
                true);
}
 
} // namespace juce