playaround with KActionMenu

editorviewhelper.cpp

@@ -0,0 +1,165 @@
+#include "editorviewhelper.h"
+
+#include <QActionGroup>
+#include <QApplication>
+#include <QMenu>
+
+#include <KActionMenu>
+
+#include <Qsci/qsciscintilla.h>
+#include <Qsci/qscilexer.h>
+#include <Qsci/qscilexerbash.h>
+#include <Qsci/qscilexerbatch.h>
+#include <Qsci/qscilexercpp.h>
+#include <Qsci/qscilexercmake.h>
+#include <Qsci/qscilexercsharp.h>
+#include <Qsci/qscilexercss.h>
+#include <Qsci/qscilexerd.h>
+#include <Qsci/qscilexerdiff.h>
+#include <Qsci/qscilexerhtml.h>
+#include <Qsci/qscilexerjava.h>
+#include <Qsci/qscilexerjavascript.h>
+#include <Qsci/qscilexerjson.h>
+#include <Qsci/qscilexerlua.h>
+#include <Qsci/qscilexermakefile.h>
+#include <Qsci/qscilexermarkdown.h>
+#include <Qsci/qscilexerpascal.h>
+#include <Qsci/qscilexerperl.h>
+#include <Qsci/qscilexerpo.h>
+#include <Qsci/qscilexerpython.h>
+#include <Qsci/qscilexerruby.h>
+#include <Qsci/qscilexerxml.h>
+#include <Qsci/qscilexeryaml.h>
+
+const QStringList languages_group[] = {
+    QStringList{
+        "Bash", "Batch"
+    },
+    QStringList{
+        "C", "C++", "C#", "CMake", "CSS"
+    },
+    QStringList{
+        "D", "Diff"
+    },
+    QStringList{
+        "HTML"
+    },
+    QStringList{
+        "Java", "JavaScript", "JSON"
+    },
+    QStringList{
+        "Lua"
+    },
+    QStringList{
+        "Makefile", "Markdown"
+    },
+    QStringList{
+        "Pascal", "Perl", "PO", "Python"
+    },
+    QStringList{
+        "Ruby"
+    },
+    QStringList{
+        "XML"
+    },
+    QStringList{
+        "YAML"
+    },
+};
+
+QString LexerGroupActionMenu::groupName(LanguageGroup grp)
+{
+    switch (grp) {
+    case LANG_GRP_B:
+        return QLatin1String("B");
+    case LANG_GRP_C:
+        return QLatin1String("C");
+    case LANG_GRP_D:
+        return QLatin1String("D");
+    case LANG_GRP_H:
+        return QLatin1String("H");
+    case LANG_GRP_J:
+        return QLatin1String("J");
+    case LANG_GRP_L:
+        return QLatin1String("L");
+    case LANG_GRP_M:
+        return QLatin1String("M");
+    case LANG_GRP_P:
+        return QLatin1String("P");
+    case LANG_GRP_R:
+        return QLatin1String("R");
+    case LANG_GRP_X:
+        return QLatin1String("X");
+    case LANG_GRP_Y:
+        return QLatin1String("Y");
+    }
+
+    Q_UNREACHABLE_RETURN("");
+}
+
+QsciLexer * LexerGroupActionMenu::createLexerByLanguage(const QString &languageName)
+{
+    QsciLexer * ret = nullptr;
+    if (languageName == "Bash") {
+        ret = new QsciLexerBash();
+    } else if (languageName == "Batch") {
+        ret = new QsciLexerBatch();
+    } else if (languageName == "C" || languageName == "C++") {
+        ret = new QsciLexerCPP();
+    } else if (languageName == "C#") {
+        ret = new QsciLexerCSharp();
+    } else if (languageName == "CMake") {
+        ret = new QsciLexerCMake();
+    } else if (languageName == "CSS") {
+        ret = new QsciLexerCSS();
+    } else if (languageName == "D") {
+        ret = new QsciLexerD();
+    } else if (languageName == "Diff") {
+        ret = new QsciLexerDiff();
+    } else if (languageName == "HTML") {
+        ret = new QsciLexerHTML();
+    } else if (languageName == "Java") {
+        ret = new QsciLexerJava();
+    } else if (languageName == "JavaScript") {
+        ret = new QsciLexerJavaScript();
+    } else if (languageName == "JSON") {
+        ret = new QsciLexerJSON();
+    } else if (languageName == "Lua") {
+        ret = new QsciLexerLua();
+    } else if (languageName == "Makefile") {
+        ret = new QsciLexerMakefile();
+    } else if (languageName == "Markdown") {
+        ret = new QsciLexerMarkdown();
+    } else if (languageName == "Pascal") {
+        ret = new QsciLexerPascal();
+    } else if (languageName == "Perl") {
+        ret = new QsciLexerPerl();
+    } else if (languageName == "PO") {
+        ret = new QsciLexerPO();
+    } else if (languageName == "Python") {
+        ret = new QsciLexerPython();
+    } else if (languageName == "Ruby") {
+        ret = new QsciLexerRuby();
+    } else if (languageName == "XML") {
+        ret = new QsciLexerXML();
+    } else if (languageName == "YAML") {
+        ret = new QsciLexerYAML();
+    }
+    return ret;
+}
+
+void LexerGroupActionMenu::slotAboutToShow()
+{
+    if (!m_group) {
+        m_group = new QActionGroup(menu());
+    } else {
+        return;
+    }
+
+    for (const QString & name : languages_group[m_languageGroup]) {
+        QAction *a = menu()->addAction(name, this, [this, name](){
+            emit lexerSelected(name);
+        });
+        a->setActionGroup(m_group);
+    }
+}