mirror of
https://github.com/juce-framework/JUCE.git
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367 lines
11 KiB
C++
367 lines
11 KiB
C++
/*
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==============================================================================
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This file is part of the JUCE library - "Jules' Utility Class Extensions"
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Copyright 2004-11 by Raw Material Software Ltd.
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------------------------------------------------------------------------------
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JUCE can be redistributed and/or modified under the terms of the GNU General
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Public License (Version 2), as published by the Free Software Foundation.
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A copy of the license is included in the JUCE distribution, or can be found
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online at www.gnu.org/licenses.
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JUCE is distributed in the hope that it will be useful, but WITHOUT ANY
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WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
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A PARTICULAR PURPOSE. See the GNU General Public License for more details.
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------------------------------------------------------------------------------
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To release a closed-source product which uses JUCE, commercial licenses are
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available: visit www.rawmaterialsoftware.com/juce for more information.
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==============================================================================
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*/
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#include "../jucer_Headers.h"
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//==============================================================================
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int64 hashCode64 (const String& s)
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{
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CharPointer_UTF8 utf8 (s.toUTF8());
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MD5 md5 (utf8, utf8.sizeInBytes());
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const uint64* const m = reinterpret_cast <const uint64*> (md5.getChecksumDataArray());
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return (int64) ByteOrder::swapIfBigEndian (m[0] ^ m[1]);
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}
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String createAlphaNumericUID()
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{
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String uid;
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static const char chars[] = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789";
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Random r;
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uid << chars [r.nextInt (52)]; // make sure the first character is always a letter
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for (int i = 5; --i >= 0;)
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{
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r.setSeedRandomly();
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uid << chars [r.nextInt (numElementsInArray (chars))];
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}
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return uid;
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}
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String randomHexString (Random& random, int numChars)
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{
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String s;
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const char hexChars[] = "0123456789ABCDEF";
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while (--numChars >= 0)
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s << hexChars [random.nextInt() & 15];
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return s;
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}
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String hexString8Digits (int value)
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{
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return String::toHexString (value).paddedLeft ('0', 8);
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}
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String createGUID (const String& seed)
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{
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String guid;
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Random r (hashCode64 (seed + "_jucersalt"));
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guid << "{" << randomHexString (r, 8); // (written as separate statements to enforce the order of execution)
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guid << "-" << randomHexString (r, 4);
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guid << "-" << randomHexString (r, 4);
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guid << "-" << randomHexString (r, 4);
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guid << "-" << randomHexString (r, 12) << "}";
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return guid;
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}
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String escapeSpaces (const String& s)
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{
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return s.replace (" ", "\\ ");
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}
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//==============================================================================
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StringPairArray parsePreprocessorDefs (const String& text)
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{
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StringPairArray result;
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String::CharPointerType s (text.getCharPointer());
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while (! s.isEmpty())
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{
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String token, value;
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s = s.findEndOfWhitespace();
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while ((! s.isEmpty()) && *s != '=' && ! s.isWhitespace())
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token << s.getAndAdvance();
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s = s.findEndOfWhitespace();
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if (*s == '=')
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{
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++s;
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s = s.findEndOfWhitespace();
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while ((! s.isEmpty()) && ! s.isWhitespace())
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{
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if (*s == ',')
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{
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++s;
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break;
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}
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if (*s == '\\' && (s[1] == ' ' || s[1] == ','))
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++s;
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value << s.getAndAdvance();
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}
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}
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if (token.isNotEmpty())
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result.set (token, value);
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}
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return result;
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}
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StringPairArray mergePreprocessorDefs (StringPairArray inheritedDefs, const StringPairArray& overridingDefs)
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{
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for (int i = 0; i < overridingDefs.size(); ++i)
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inheritedDefs.set (overridingDefs.getAllKeys()[i], overridingDefs.getAllValues()[i]);
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return inheritedDefs;
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}
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String createGCCPreprocessorFlags (const StringPairArray& defs)
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{
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String s;
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for (int i = 0; i < defs.size(); ++i)
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{
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String def (defs.getAllKeys()[i]);
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const String value (defs.getAllValues()[i]);
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if (value.isNotEmpty())
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def << "=" << value;
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s += " -D " + def.quoted();
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}
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return s;
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}
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String replacePreprocessorDefs (const StringPairArray& definitions, String sourceString)
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{
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for (int i = 0; i < definitions.size(); ++i)
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{
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const String key (definitions.getAllKeys()[i]);
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const String value (definitions.getAllValues()[i]);
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sourceString = sourceString.replace ("${" + key + "}", value);
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}
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return sourceString;
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}
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//==============================================================================
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void autoScrollForMouseEvent (const MouseEvent& e, bool scrollX, bool scrollY)
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{
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Viewport* const viewport = e.eventComponent->findParentComponentOfClass ((Viewport*) 0);
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if (viewport != nullptr)
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{
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const MouseEvent e2 (e.getEventRelativeTo (viewport));
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viewport->autoScroll (scrollX ? e2.x : 20, scrollY ? e2.y : 20, 8, 16);
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}
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}
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void drawComponentPlaceholder (Graphics& g, int w, int h, const String& text)
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{
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g.fillAll (Colours::white.withAlpha (0.4f));
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g.setColour (Colours::grey);
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g.drawRect (0, 0, w, h);
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g.drawLine (0.5f, 0.5f, w - 0.5f, h - 0.5f);
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g.drawLine (0.5f, h - 0.5f, w - 0.5f, 0.5f);
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g.setColour (Colours::black);
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g.setFont (11.0f);
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g.drawFittedText (text, 2, 2, w - 4, h - 4, Justification::centredTop, 2);
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}
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void drawRecessedShadows (Graphics& g, int w, int h, int shadowSize)
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{
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ColourGradient cg (Colours::black.withAlpha (0.15f), 0, 0,
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Colours::transparentBlack, 0, (float) shadowSize, false);
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cg.addColour (0.4, Colours::black.withAlpha (0.07f));
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cg.addColour (0.6, Colours::black.withAlpha (0.02f));
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g.setGradientFill (cg);
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g.fillRect (0, 0, w, shadowSize);
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cg.point1.setXY (0.0f, (float) h);
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cg.point2.setXY (0.0f, (float) h - shadowSize);
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g.setGradientFill (cg);
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g.fillRect (0, h - shadowSize, w, shadowSize);
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cg.point1.setXY (0.0f, 0.0f);
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cg.point2.setXY ((float) shadowSize, 0.0f);
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g.setGradientFill (cg);
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g.fillRect (0, 0, shadowSize, h);
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cg.point1.setXY ((float) w, 0.0f);
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cg.point2.setXY ((float) w - shadowSize, 0.0f);
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g.setGradientFill (cg);
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g.fillRect (w - shadowSize, 0, shadowSize, h);
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}
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//==============================================================================
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int indexOfLineStartingWith (const StringArray& lines, const String& text, int startIndex)
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{
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startIndex = jmax (0, startIndex);
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while (startIndex < lines.size())
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{
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if (lines[startIndex].trimStart().startsWithIgnoreCase (text))
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return startIndex;
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++startIndex;
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}
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return -1;
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}
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//==============================================================================
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PropertyPanelWithTooltips::PropertyPanelWithTooltips()
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: lastComp (nullptr)
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{
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addAndMakeVisible (&panel);
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startTimer (150);
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}
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PropertyPanelWithTooltips::~PropertyPanelWithTooltips()
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{
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}
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void PropertyPanelWithTooltips::paint (Graphics& g)
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{
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g.setColour (Colour::greyLevel (0.15f));
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g.setFont (13.0f);
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TextLayout tl;
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tl.appendText (lastTip, Font (14.0f));
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tl.layout (getWidth() - 10, Justification::left, true); // try to make it look nice
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if (tl.getNumLines() > 3)
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tl.layout (getWidth() - 10, Justification::left, false); // too big, so just squash it in..
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Rectangle<int> r (getTipArea());
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tl.drawWithin (g, r.getX(), r.getY(), r.getWidth(), r.getHeight(),
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Justification::bottomLeft);
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}
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void PropertyPanelWithTooltips::resized()
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{
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panel.setBounds (0, 0, getWidth(), jmax (getHeight() - 60, proportionOfHeight (0.6f)));
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}
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Rectangle<int> PropertyPanelWithTooltips::getTipArea() const
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{
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return Rectangle<int> (5, panel.getBottom() - 50, getWidth() - 10,
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getHeight() - (panel.getBottom() - 50) - 4);
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}
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void PropertyPanelWithTooltips::timerCallback()
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{
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Component* newComp = Desktop::getInstance().getMainMouseSource().getComponentUnderMouse();
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if (newComp != nullptr && newComp->getTopLevelComponent() != getTopLevelComponent())
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newComp = nullptr;
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if (newComp != lastComp)
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{
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lastComp = newComp;
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String newTip (findTip (newComp));
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if (newTip != lastTip)
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{
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lastTip = newTip;
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repaint (getTipArea());
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}
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}
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}
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String PropertyPanelWithTooltips::findTip (Component* c)
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{
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while (c != nullptr && c != this)
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{
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TooltipClient* const tc = dynamic_cast <TooltipClient*> (c);
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if (tc != nullptr)
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{
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const String tip (tc->getTooltip());
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if (tip.isNotEmpty())
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return tip;
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}
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c = c->getParentComponent();
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}
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return String::empty;
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}
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//==============================================================================
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FloatingLabelComponent::FloatingLabelComponent()
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: font (10.0f)
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{
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setInterceptsMouseClicks (false, false);
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}
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void FloatingLabelComponent::remove()
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{
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if (getParentComponent() != nullptr)
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getParentComponent()->removeChildComponent (this);
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}
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void FloatingLabelComponent::update (Component* parent, const String& text, const Colour& textColour, int x, int y, bool toRight, bool below)
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{
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colour = textColour;
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Rectangle<int> r;
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if (text != getName())
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{
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setName (text);
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glyphs.clear();
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glyphs.addJustifiedText (font, text, 0, 0, 200.0f, Justification::left);
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glyphs.justifyGlyphs (0, std::numeric_limits<int>::max(), 0, 0, 1000, 1000, Justification::topLeft);
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r = glyphs.getBoundingBox (0, std::numeric_limits<int>::max(), false)
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.getSmallestIntegerContainer().expanded (1, 1);
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}
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else
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{
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r = getLocalBounds();
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}
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r.setPosition (x + (toRight ? 3 : -(r.getWidth() + 3)), y + (below ? 2 : -(r.getHeight() + 2)));
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setBounds (r);
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parent->addAndMakeVisible (this);
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}
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void FloatingLabelComponent::paint (Graphics& g)
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{
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g.setFont (font);
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g.setColour (Colours::white.withAlpha (0.5f));
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g.fillRoundedRectangle (0, 0, (float) getWidth(), (float) getHeight(), 3);
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g.setColour (colour);
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glyphs.draw (g, AffineTransform::translation (1.0f, 1.0f));
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}
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