source/modules/juce_gui_basics/buttons/juce_HyperlinkButton.cpp

   1 /*
   2   ==============================================================================
   3
   4    This file is part of the JUCE library.
   5    Copyright (c) 2022 - Raw Material Software Limited
   6
   7    JUCE is an open source library subject to commercial or open-source
   8    licensing.
   9
  10    By using JUCE, you agree to the terms of both the JUCE 7 End-User License
  11    Agreement and JUCE Privacy Policy.
  12
  13    End User License Agreement: www.juce.com/juce-7-licence
  14    Privacy Policy: www.juce.com/juce-privacy-policy
  15
  16    Or: You may also use this code under the terms of the GPL v3 (see
  17    www.gnu.org/licenses).
  18
  19    JUCE IS PROVIDED "AS IS" WITHOUT ANY WARRANTY, AND ALL WARRANTIES, WHETHER
  20    EXPRESSED OR IMPLIED, INCLUDING MERCHANTABILITY AND FITNESS FOR PURPOSE, ARE
  21    DISCLAIMED.
  22
  23   ==============================================================================
  24 */
  25
  26 namespace juce
  27 {
  28
  29 HyperlinkButton::HyperlinkButton (const String& linkText,
  30                                   const URL& linkURL)
  31    : Button (linkText),
  32      url (linkURL),
  33      font (14.0f, Font::underlined),
  34      resizeFont (true),
  35      justification (Justification::centred)
  36 {
  37     setMouseCursor (MouseCursor::PointingHandCursor);
  38     setTooltip (linkURL.toString (false));
  39 }
  40
  41 HyperlinkButton::HyperlinkButton()
  42    : Button (String()),
  43      font (14.0f, Font::underlined),
  44      resizeFont (true),
  45      justification (Justification::centred)
  46 {
  47     setMouseCursor (MouseCursor::PointingHandCursor);
  48 }
  49
  50 HyperlinkButton::~HyperlinkButton()
  51 {
  52 }
  53
  54 //==============================================================================
  55 void HyperlinkButton::setFont (const Font& newFont,
  56                                const bool resizeToMatchComponentHeight,
  57                                Justification justificationType)
  58 {
  59     font = newFont;
  60     resizeFont = resizeToMatchComponentHeight;
  61     justification = justificationType;
  62     repaint();
  63 }
  64
  65 void HyperlinkButton::setURL (const URL& newURL) noexcept
  66 {
  67     url = newURL;
  68     setTooltip (newURL.toString (false));
  69 }
  70
  71 Font HyperlinkButton::getFontToUse() const
  72 {
  73     if (resizeFont)
  74         return font.withHeight ((float) getHeight() * 0.7f);
  75
  76     return font;
  77 }
  78
  79 void HyperlinkButton::changeWidthToFitText()
  80 {
  81     setSize (getFontToUse().getStringWidth (getButtonText()) + 6, getHeight());
  82 }
  83
  84 void HyperlinkButton::setJustificationType (Justification newJustification)
  85 {
  86     if (justification != newJustification)
  87     {
  88         justification = newJustification;
  89         repaint();
  90     }
  91 }
  92
  93 void HyperlinkButton::colourChanged()
  94 {
  95     repaint();
  96 }
  97
  98 //==============================================================================
  99 void HyperlinkButton::clicked()
 100 {
 101     if (url.isWellFormed())
 102         url.launchInDefaultBrowser();
 103 }
 104
 105 void HyperlinkButton::paintButton (Graphics& g,
 106                                    bool shouldDrawButtonAsHighlighted,
 107                                    bool shouldDrawButtonAsDown)
 108 {
 109     const Colour textColour (findColour (textColourId));
 110
 111     if (isEnabled())
 112         g.setColour ((shouldDrawButtonAsHighlighted) ? textColour.darker ((shouldDrawButtonAsDown) ? 1.3f : 0.4f)
 113                                          : textColour);
 114     else
 115         g.setColour (textColour.withMultipliedAlpha (0.4f));
 116
 117     g.setFont (getFontToUse());
 118
 119     g.drawText (getButtonText(), getLocalBounds().reduced (1, 0),
 120                 justification.getOnlyHorizontalFlags() | Justification::verticallyCentred,
 121                 true);
 122 }
 123
 124 } // namespace juce