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JUCE/extras/Introjucer/Source/Application/jucer_AppearanceSettings.cpp

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C++

/*
==============================================================================
This file is part of the JUCE library.
Copyright (c) 2015 - ROLI Ltd.
Permission is granted to use this software under the terms of either:
a) the GPL v2 (or any later version)
b) the Affero GPL v3
Details of these licenses can be found at: www.gnu.org/licenses
JUCE is distributed in the hope that it will be useful, but WITHOUT ANY
WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
A PARTICULAR PURPOSE. See the GNU General Public License for more details.
------------------------------------------------------------------------------
To release a closed-source product which uses JUCE, commercial licenses are
available: visit www.juce.com for more information.
==============================================================================
*/
#include "jucer_Application.h"
#include "jucer_AppearanceSettings.h"
#include "jucer_GlobalPreferences.h"
namespace AppearanceColours
{
struct ColourInfo
{
const char* name;
int colourID;
bool mustBeOpaque;
bool applyToEditorOnly;
};
static const ColourInfo colours[] =
{
{ "Main Window Bkgd", mainBackgroundColourId, true, false },
{ "Treeview Highlight", TreeView::selectedItemBackgroundColourId, false, false },
{ "Code Background", CodeEditorComponent::backgroundColourId, true, false },
{ "Line Number Bkgd", CodeEditorComponent::lineNumberBackgroundId, false, false },
{ "Line Numbers", CodeEditorComponent::lineNumberTextId, false, false },
{ "Plain Text", CodeEditorComponent::defaultTextColourId, false, false },
{ "Selected Text Bkgd", CodeEditorComponent::highlightColourId, false, false },
{ "Caret", CaretComponent::caretColourId, false, true }
};
enum
{
numColours = sizeof (AppearanceColours::colours) / sizeof (AppearanceColours::colours[0])
};
}
//==============================================================================
AppearanceSettings::AppearanceSettings (bool updateAppWhenChanged)
: settings ("COLOUR_SCHEME")
{
if (! IntrojucerApp::getApp().isRunningCommandLine)
{
IntrojucerLookAndFeel lf;
for (int i = 0; i < AppearanceColours::numColours; ++i)
getColourValue (AppearanceColours::colours[i].name) = lf.findColour (AppearanceColours::colours[i].colourID).toString();
CodeDocument doc;
CPlusPlusCodeTokeniser tokeniser;
CodeEditorComponent editor (doc, &tokeniser);
const CodeEditorComponent::ColourScheme cs (editor.getColourScheme());
for (int i = cs.types.size(); --i >= 0;)
{
CodeEditorComponent::ColourScheme::TokenType& t = cs.types.getReference(i);
getColourValue (t.name) = t.colour.toString();
}
getCodeFontValue() = getDefaultCodeFont().toString();
if (updateAppWhenChanged)
settings.addListener (this);
}
}
File AppearanceSettings::getSchemesFolder()
{
File f (getGlobalProperties().getFile().getSiblingFile ("Schemes"));
f.createDirectory();
return f;
}
void AppearanceSettings::writeDefaultSchemeFile (const String& xmlString, const String& name)
{
const File file (getSchemesFolder().getChildFile (name).withFileExtension (getSchemeFileSuffix()));
AppearanceSettings settings (false);
ScopedPointer<XmlElement> xml (XmlDocument::parse (xmlString));
if (xml != nullptr)
settings.readFromXML (*xml);
settings.writeToFile (file);
}
void AppearanceSettings::refreshPresetSchemeList()
{
writeDefaultSchemeFile (BinaryData::colourscheme_dark_xml, "Default (Dark)");
writeDefaultSchemeFile (BinaryData::colourscheme_light_xml, "Default (Light)");
Array<File> newSchemes;
getSchemesFolder().findChildFiles (newSchemes, File::findFiles, false, String ("*") + getSchemeFileSuffix());
if (newSchemes != presetSchemeFiles)
{
presetSchemeFiles.swapWith (newSchemes);
IntrojucerApp::getCommandManager().commandStatusChanged();
}
}
StringArray AppearanceSettings::getPresetSchemes()
{
StringArray s;
for (int i = 0; i < presetSchemeFiles.size(); ++i)
s.add (presetSchemeFiles.getReference(i).getFileNameWithoutExtension());
return s;
}
void AppearanceSettings::selectPresetScheme (int index)
{
readFromFile (presetSchemeFiles [index]);
}
bool AppearanceSettings::readFromXML (const XmlElement& xml)
{
if (xml.hasTagName (settings.getType().toString()))
{
const ValueTree newSettings (ValueTree::fromXml (xml));
// we'll manually copy across the new properties to the existing tree so that
// any open editors will be kept up to date..
settings.copyPropertiesFrom (newSettings, nullptr);
for (int i = settings.getNumChildren(); --i >= 0;)
{
ValueTree c (settings.getChild (i));
const ValueTree newValue (newSettings.getChildWithProperty (Ids::name, c.getProperty (Ids::name)));
if (newValue.isValid())
c.copyPropertiesFrom (newValue, nullptr);
}
return true;
}
return false;
}
bool AppearanceSettings::readFromFile (const File& file)
{
const ScopedPointer<XmlElement> xml (XmlDocument::parse (file));
return xml != nullptr && readFromXML (*xml);
}
bool AppearanceSettings::writeToFile (const File& file) const
{
const ScopedPointer<XmlElement> xml (settings.createXml());
return xml != nullptr && xml->writeToFile (file, String::empty);
}
Font AppearanceSettings::getDefaultCodeFont()
{
return Font (Font::getDefaultMonospacedFontName(), Font::getDefaultStyle(), 13.0f);
}
StringArray AppearanceSettings::getColourNames() const
{
StringArray s;
for (int i = 0; i < settings.getNumChildren(); ++i)
{
const ValueTree c (settings.getChild(i));
if (c.hasType ("COLOUR"))
s.add (c [Ids::name]);
}
return s;
}
void AppearanceSettings::updateColourScheme()
{
applyToLookAndFeel (LookAndFeel::getDefaultLookAndFeel());
IntrojucerApp::getApp().mainWindowList.sendLookAndFeelChange();
}
void AppearanceSettings::applyToLookAndFeel (LookAndFeel& lf) const
{
for (int i = 0; i < AppearanceColours::numColours; ++i)
{
Colour col;
if (getColour (AppearanceColours::colours[i].name, col))
{
if (AppearanceColours::colours[i].mustBeOpaque)
col = Colours::white.overlaidWith (col);
if (! AppearanceColours::colours[i].applyToEditorOnly)
lf.setColour (AppearanceColours::colours[i].colourID, col);
}
}
lf.setColour (ScrollBar::thumbColourId, lf.findColour (mainBackgroundColourId).contrasting().withAlpha (0.13f));
}
void AppearanceSettings::applyToCodeEditor (CodeEditorComponent& editor) const
{
CodeEditorComponent::ColourScheme cs (editor.getColourScheme());
for (int i = cs.types.size(); --i >= 0;)
{
CodeEditorComponent::ColourScheme::TokenType& t = cs.types.getReference(i);
getColour (t.name, t.colour);
}
editor.setColourScheme (cs);
editor.setFont (getCodeFont());
for (int i = 0; i < AppearanceColours::numColours; ++i)
{
if (AppearanceColours::colours[i].applyToEditorOnly)
{
Colour col;
if (getColour (AppearanceColours::colours[i].name, col))
editor.setColour (AppearanceColours::colours[i].colourID, col);
}
}
editor.setColour (ScrollBar::thumbColourId, editor.findColour (CodeEditorComponent::backgroundColourId)
.contrasting()
.withAlpha (0.13f));
}
Font AppearanceSettings::getCodeFont() const
{
const String fontString (settings [Ids::font].toString());
if (fontString.isEmpty())
return getDefaultCodeFont();
return Font::fromString (fontString);
}
Value AppearanceSettings::getCodeFontValue()
{
return settings.getPropertyAsValue (Ids::font, nullptr);
}
Value AppearanceSettings::getColourValue (const String& colourName)
{
ValueTree c (settings.getChildWithProperty (Ids::name, colourName));
if (! c.isValid())
{
c = ValueTree ("COLOUR");
c.setProperty (Ids::name, colourName, nullptr);
settings.addChild (c, -1, nullptr);
}
return c.getPropertyAsValue (Ids::colour, nullptr);
}
bool AppearanceSettings::getColour (const String& name, Colour& result) const
{
const ValueTree colour (settings.getChildWithProperty (Ids::name, name));
if (colour.isValid())
{
result = Colour::fromString (colour [Ids::colour].toString());
return true;
}
return false;
}
//==============================================================================
IntrojucerLookAndFeel::IntrojucerLookAndFeel()
{
setColour (mainBackgroundColourId, Colour::greyLevel (0.8f));
}
int IntrojucerLookAndFeel::getTabButtonBestWidth (TabBarButton&, int) { return 120; }
Colour IntrojucerLookAndFeel::getTabBackgroundColour (TabBarButton& button)
{
const Colour bkg (button.findColour (mainBackgroundColourId).contrasting (0.15f));
if (button.isFrontTab())
return bkg.overlaidWith (Colours::yellow.withAlpha (0.5f));
return bkg;
}
void IntrojucerLookAndFeel::drawTabButton (TabBarButton& button, Graphics& g, bool isMouseOver, bool isMouseDown)
{
const Rectangle<int> activeArea (button.getActiveArea());
const Colour bkg (getTabBackgroundColour (button));
g.setGradientFill (ColourGradient (bkg.brighter (0.1f), 0, (float) activeArea.getY(),
bkg.darker (0.1f), 0, (float) activeArea.getBottom(), false));
g.fillRect (activeArea);
g.setColour (button.findColour (mainBackgroundColourId).darker (0.3f));
g.drawRect (activeArea);
const float alpha = button.isEnabled() ? ((isMouseOver || isMouseDown) ? 1.0f : 0.8f) : 0.3f;
const Colour col (bkg.contrasting().withMultipliedAlpha (alpha));
TextLayout textLayout;
LookAndFeel_V3::createTabTextLayout (button, (float) activeArea.getWidth(), (float) activeArea.getHeight(), col, textLayout);
textLayout.draw (g, button.getTextArea().toFloat());
}
void IntrojucerLookAndFeel::drawConcertinaPanelHeader (Graphics& g, const Rectangle<int>& area,
bool isMouseOver, bool /*isMouseDown*/,
ConcertinaPanel&, Component& panel)
{
const Colour bkg (Colours::grey);
g.setGradientFill (ColourGradient (Colour::greyLevel (isMouseOver ? 0.6f : 0.5f), 0, (float) area.getY(),
Colour::greyLevel (0.4f), 0, (float) area.getBottom(), false));
g.fillAll();
g.setColour (bkg.contrasting().withAlpha (0.1f));
g.fillRect (area.withHeight (1));
g.fillRect (area.withTop (area.getBottom() - 1));
g.setColour (bkg.contrasting());
g.setFont (Font (area.getHeight() * 0.6f).boldened());
g.drawFittedText (panel.getName(), 4, 0, area.getWidth() - 6, area.getHeight(), Justification::centredLeft, 1);
}
static Range<float> getBrightnessRange (const Image& im)
{
float minB = 1.0f, maxB = 0;
const int w = im.getWidth();
const int h = im.getHeight();
for (int y = 0; y < h; ++y)
{
for (int x = 0; x < w; ++x)
{
const float b = im.getPixelAt (x, y).getBrightness();
minB = jmin (minB, b);
maxB = jmax (maxB, b);
}
}
return Range<float> (minB, maxB);
}
void IntrojucerLookAndFeel::fillWithBackgroundTexture (Graphics& g)
{
const Colour bkg (findColour (mainBackgroundColourId));
if (backgroundTextureBaseColour != bkg)
{
backgroundTextureBaseColour = bkg;
const Image original (ImageCache::getFromMemory (BinaryData::background_tile_png,
BinaryData::background_tile_pngSize));
const int w = original.getWidth();
const int h = original.getHeight();
backgroundTexture = Image (Image::RGB, w, h, false);
const Range<float> brightnessRange (getBrightnessRange (original));
const float brightnessOffset = (brightnessRange.getStart() + brightnessRange.getEnd()) / 2.0f;
const float brightnessScale = 0.025f / brightnessRange.getLength();
const float bkgB = bkg.getBrightness();
for (int y = 0; y < h; ++y)
{
for (int x = 0; x < w; ++x)
{
const float b = (original.getPixelAt (x, y).getBrightness() - brightnessOffset) * brightnessScale;
backgroundTexture.setPixelAt (x, y, bkg.withBrightness (jlimit (0.0f, 1.0f, bkgB + b)));
}
}
}
g.setTiledImageFill (backgroundTexture, 0, 0, 1.0f);
g.fillAll();
}
void IntrojucerLookAndFeel::fillWithBackgroundTexture (Component& c, Graphics& g)
{
dynamic_cast<IntrojucerLookAndFeel&> (c.getLookAndFeel()).fillWithBackgroundTexture (g);
}