KDevelop global colorization colors

Development
1

Hi! I found a hardcoded colors, which applied with Configure→Language Support→Global colorization intensity. I tried to add’em to application seting, but encountered a problem with getting my setting in the code.
First, I managed to add some settings to the configuration:
kdevelop/kdevplatform/shell/settings/languageconfig.kcfg:

<entry name="globalColorizationColorsClass" key="globalColorizationColorsClass" type="String">
    <default>#FFFFFF</default>
    </entry>

kdevelop/kdevplatform/shell/settings/languagepreferences.ui:

<item>
    <widget class="QGroupBox" name="groupBox_2">
     <property name="title">
      <string comment="@title:group">Semantic Code Highlighting</string>
     </property>
     <layout class="QFormLayout" name="formLayout">
      <property name="fieldGrowthPolicy">
       <enum>QFormLayout::ExpandingFieldsGrow</enum>
      </property>
      <item row="1" column="0">
       <widget class="QLabel" name="globalColorizationColorsClassLabel">
        <property name="toolTip">
         <string>&lt;p&gt;Color for C++ classes.&lt;/p&gt;</string>
        </property>
        <property name="text">
         <string comment="@label:textbox">Class:</string>
        </property>
        <property name="buddy">
         <cstring>kcfg_globalColorizationColorsClass</cstring>
        </property>
       </widget>
      </item>
      <item row="1" column="1">
       <widget class="QLineEdit" name="kcfg_globalColorizationColorsClass">
        <property name="toolTip">
         <string comment="@info:tooltip">Color in CSS hex format.</string>
        </property>
        <property name="placeholderText">
         <string>#FFFFFF</string>
        </property>
       </widget>
      </item>
     </layout>
    </widget>
   </item>

This works fine: an input is rendering and setting is saving and loading:

image
image882×132 16.5 KB

Also, after build the kdevelop/build/kdevplatform/shell/languageconfig.{h,cpp} are generated.

languageconfig.h:

// This file is generated by kconfig_compiler_kf6 from languageconfig.kcfg.
// All changes you do to this file will be lost.
#ifndef LANGUAGECONFIG_H
#define LANGUAGECONFIG_H

#include <kconfigskeleton.h>
#include <QCoreApplication>
#include <QDebug>

#include "interfaces/icompletionsettings.h"

class LanguageConfig : public KConfigSkeleton
{
   //---cut---
    static
    QString globalColorizationColorsClass()
    {
      return self()->mGlobalColorizationColorsClass;
    }
   //---cut---
};

#endif

Then I tried to access it in the file, where the colors are found, using kdevelop/kdevplatform/shell/completionsettings.cpp as example.
kdevelop/kdevplatform/language/highlighting/configurablecolors.cpp:

#include "configurablecolors.h"
#include "languageconfig.h"                                                    //<- File not found (but this is expected). 
//#include "../../build/kdevplatform/shell/languageconfig.h"   //<- This path is not found.
//#include "../../shell/settings/languageconfig.h"                       //<- And this is not found too.
#include "colorcache.h"

#include <debug.h>

#include <KTextEditor/View>
#include <KSyntaxHighlighting/Theme>

#define ifDebug(x)

namespace KDevelop {
//--- cut ---
void ConfigurableHighlightingColors::reset(ColorCache* cache, KTextEditor::View* view)
{
    m_attributes.clear();
    auto createAttribute = [&](CodeHighlightingType type) {
        KTextEditor::Attribute::Ptr a(new KTextEditor::Attribute);
        m_attributes[type] = a;
        return a;
    };
    auto addColor = [&](CodeHighlightingType type, QString color_) {
        auto a = createAttribute(type);
        auto color = QColor::fromString(color_);
        a->setForeground(cache ? cache->blendGlobalColor(color) : color);
        ifDebug(qCDebug(LANGUAGE) << #type << "color: " << #color_ << "->" << a->foreground().color().name());
    };
    // TODO: The set of colors doesn't work very well. Many colors simply too dark (even on the maximum "Global colorization intensity" they hardly distinguishable from grey) and look alike.
    addColor(CodeHighlightingType::Class, LanguageConfig::globalColorizationColorsClass()); //<- Access the setting.
    addColor(CodeHighlightingType::TypeAlias, QStringLiteral("#0074C2"));
    //---- cut ----
}

If I run a clean build, compiler fail to include kdevelop/build/kdevplatform/shell/languageconfig.h because it is generated later.
If I did a dirty trick by building kdevelop with kdevelop/kdevplatform/language/highlighting/configurablecolors.cpp unmodified and then rebuilding it with modifications, include path “../../build/kdevplatform/shell/languageconfig.h” works, but another compile error occurs:

Linking CXX shared library ../../bin/libKDevPlatformLanguage.so
/usr/bin/ld: CMakeFiles/KDevPlatformLanguage.dir/highlighting/configurablecolors.cpp.o: in function `LanguageConfig::globalColorizationColorsClass()':
/media/kde/src/kdevelop/kdevplatform/language/../../build/kdevplatform/shell/languageconfig.h:300:(.text._ZN14LanguageConfig29globalColorizationColorsClassEv[_ZN14LanguageConfig29globalColorizationColorsClassEv]+0xd): undefined reference to `LanguageConfig::self()'
collect2: error: ld returned 1 exit status
make[2]: *** [kdevplatform/language/CMakeFiles/KDevPlatformLanguage.dir/build.make:2268: bin/libKDevPlatformLanguage.so.6.5.260370] Error 1
make[1]: *** [CMakeFiles/Makefile2:7028: kdevplatform/language/CMakeFiles/KDevPlatformLanguage.dir/all] Error 2
make: *** [Makefile:146: all] Error 2

So, question is how to correctly access configuration settings in this file?