open file by click on include line

ChangeLog

@@ -1,3 +1,14 @@
+2017-01-31 23:04  
+
+	* [r99] scripts/wt-mode.el, src/editor.hxx:
+	  simple syntax highlighting
+
+2017-01-31 19:54  
+
+	* [r98] COPYING, ChangeLog, INSTALL, src/editor.hxx[ADD],
+	  src/makefile.am, src/testgui.hxx, src/testgui.ui:
+	  added CodeEditor with line numbering from Qt sample code
+
 2017-01-31 17:32  
 
 	* [r97] src/commands.hxx, src/webrunner.cxx:

src/editor.hxx

@@ -11,6 +11,8 @@
 #include <QRegularExpressionMatch>
 #include <cassert>
 
+#include <iostream>
+
 class Highlighter: public QSyntaxHighlighter {
     Q_OBJECT;
   Q_SIGNALS:
@@ -29,8 +31,10 @@ class Highlighter: public QSyntaxHighlighter {
         QTextCharFormat fmt;
         if (QFile(m.captured(1)).exists()) {
           fmt.setForeground(Qt::darkGreen);
+          fmt.setFontWeight(QFont::Bold);
         } else {
           fmt.setForeground(Qt::darkRed);
+          fmt.setFontStrikeOut(true);
         }
         setFormat(m.capturedStart(1), m.capturedLength(1), fmt);
         include(m.captured(1));
@@ -47,6 +51,7 @@ class Highlighter: public QSyntaxHighlighter {
         Expression(QString s): re(s) {}
         Expression(QString s, QTextCharFormat f): re(s), fmt(f) {}
         Expression& weight(int w) {fmt.setFontWeight(w); return *this;}
+        Expression& strike(bool s=true) {fmt.setFontStrikeOut(s); return *this;}
         Expression& fg(const QBrush& b) {fmt.setForeground(b); return *this;}
         QRegularExpression re;
         QTextCharFormat fmt;
@@ -70,6 +75,7 @@ class CodeEditor: public QPlainTextEdit {
     Q_OBJECT;
   Q_SIGNALS:
     void include(QString);
+    void link(QString);
   public:
     CodeEditor(QWidget *parent = 0): QPlainTextEdit(parent) {
       Highlighter *highlighter(new Highlighter(document()));
@@ -111,6 +117,23 @@ class CodeEditor: public QPlainTextEdit {
       int space = 3 + fontMetrics().width(QLatin1Char('9')) * digits;
       return space;
     }
+    void mousePressEvent(QMouseEvent *e) {
+      clickedAnchor = (e->button() & Qt::LeftButton)
+        ? document()->findBlock(cursorForPosition(e->pos()).position()).text()
+        : QString();
+      QPlainTextEdit::mousePressEvent(e);
+    }
+    void mouseReleaseEvent(QMouseEvent *e) {
+      if (e->button() & Qt::LeftButton && !clickedAnchor.isEmpty()
+          && document()->findBlock(cursorForPosition(e->pos()).position()).text() == clickedAnchor) {
+        static QRegularExpression inc("^ *include +([^ ].*.\\.wt)");
+        QRegularExpressionMatch m(inc.match(clickedAnchor));
+        if (m.hasMatch() && QFile(m.captured(1)).exists()) {
+          link(m.captured(1));
+        }
+      }
+      QPlainTextEdit::mouseReleaseEvent(e);
+    }
   protected:
     void resizeEvent(QResizeEvent *e) override {
       QPlainTextEdit::resizeEvent(e);
@@ -144,6 +167,7 @@ class CodeEditor: public QPlainTextEdit {
     }
   private:
     QWidget *lineNumberArea;
+    QString clickedAnchor;
 };
 
 inline LineNumberArea::LineNumberArea(CodeEditor *editor): QWidget(editor) {

src/scriptfile.hxx

@@ -7,12 +7,14 @@
 class ScriptFile: public QDockWidget, protected Ui::ScriptFile {
     Q_OBJECT;
   Q_SIGNALS:
+    void link(QString);
     void include(QString);
     void close(ScriptFile*);
   public:
     ScriptFile(QWidget* p=0): QDockWidget(p) {
       setupUi(this);
       assert(connect(_editor, SIGNAL(include(QString)), SIGNAL(include(QString))));
+      assert(connect(_editor, SIGNAL(link(QString)), SIGNAL(link(QString))));
       _searchBar->hide();
       _replaceBar->hide();
       _pageBar->hide();

src/testgui.hxx

@@ -69,7 +69,8 @@ class TestGUI: public QMainWindow, protected Ui::TestGUI {
                      SLOT(unsupportedContent(QNetworkReply*))));
       assert(connect(page, SIGNAL(downloadRequested(const QNetworkRequest&)),
                      SLOT(downloadRequested(const QNetworkRequest&))));
-      assert(connect(_testscript, SIGNAL(include(QString)), SLOT(include(QString))));
+      //assert(connect(_testscript, SIGNAL(include(QString)), SLOT(include(QString))));
+      assert(connect(_testscript, SIGNAL(link(QString)), SLOT(include(QString))));
       if (setupScript.size()) loadSetup(setupScript);
       if (scriptFile.size()) loadFile(scriptFile);
     }
@@ -343,7 +344,8 @@ class TestGUI: public QMainWindow, protected Ui::TestGUI {
     void include(QString name) {
       if (_testscripts.contains(name)) return;
       _testscripts[name] = new ScriptFile(this);
-      assert(connect(_testscripts[name], SIGNAL(include(QString)), SLOT(include(QString))));
+      // assert(connect(_testscripts[name], SIGNAL(include(QString)), SLOT(include(QString))));
+      assert(connect(_testscripts[name], SIGNAL(link(QString)), SLOT(include(QString))));
       assert(connect(_testscripts[name], SIGNAL(close(ScriptFile*)), SLOT(remove(ScriptFile*))));
       QFile file(name);
       try {
@@ -354,10 +356,11 @@ class TestGUI: public QMainWindow, protected Ui::TestGUI {
           throw std::runtime_error("file read failed");
         _testscripts[name]->name(name);
         tabifyDockWidget(_scriptDock, _testscripts[name]);
-        QDockWidget* d(0);
-        for (QWidget* w(QApplication::focusWidget()); w&&!(d=qobject_cast<QDockWidget*>(w));
-             w=qobject_cast<QWidget*>(w->parent()));
-        if (d) d->raise();
+        // QDockWidget* d(0);
+        // for (QWidget* w(QApplication::focusWidget()); w&&!(d=qobject_cast<QDockWidget*>(w));
+        //      w=qobject_cast<QWidget*>(w->parent()));
+        // if (d) d->raise();
+        _testscripts[name]->raise();
       } catch(const std::exception& x) {
         remove(_testscripts[name]);
       }