Merge topic 'QtDialogSearchText2'

f92d7e7 cmake-gui: use shortcut F only for "Find in Output"
6e57724 cmake-gui: Add function for going to next error message in Output window
7be2d8a cmake-gui: Change shortcut of the search field from Ctrl-F to Alt-E
4ce65e8 cmake-gui: Add search functions to the context menu of the Output widget
df3663b cmake-gui: Add search functions for Output window (#9733)

3 files changed, 168 insertions, 6 deletions

diff --git a/Source/QtDialog/CMakeSetupDialog.cxx b/Source/QtDialog/CMakeSetupDialog.cxx
index c0dde1c..4d62f72 100644
--- a/Source/QtDialog/CMakeSetupDialog.cxx
+++ b/Source/QtDialog/CMakeSetupDialog.cxx
@@ -28,6 +28,7 @@
 #include <QShortcut>
 #include <QKeySequence>
 #include <QMacInstallDialog.h>
+#include <QInputDialog>
 
 #include "QCMake.h"
 #include "QCMakeCacheView.h"
@@ -122,6 +123,22 @@ CMakeSetupDialog::CMakeSetupDialog()
   QObject::connect(this->InstallForCommandLineAction, SIGNAL(triggered(bool)),
                    this, SLOT(doInstallForCommandLine()));
 #endif
+  ToolsMenu->addSeparator();
+  ToolsMenu->addAction(tr("&Find in Output..."),
+                       this, SLOT(doOutputFindDialog()),
+                       QKeySequence::Find);
+  ToolsMenu->addAction(tr("Find Next"),
+                       this, SLOT(doOutputFindNext()),
+                       QKeySequence::FindNext);
+  ToolsMenu->addAction(tr("Find Previous"),
+                       this, SLOT(doOutputFindPrev()),
+                       QKeySequence::FindPrevious);
+  ToolsMenu->addAction(tr("Goto Next Error"),
+                       this, SLOT(doOutputErrorNext()),
+                       QKeySequence(Qt::Key_F8));  // in Visual Studio
+  new QShortcut(QKeySequence(Qt::CTRL + Qt::Key_Period),
+                       this, SLOT(doOutputErrorNext()));  // in Eclipse
+
   QMenu* OptionsMenu = this->menuBar()->addMenu(tr("&Options"));
   this->SuppressDevWarningsAction =
     OptionsMenu->addAction(tr("&Suppress dev Warnings (-Wno-dev)"));
@@ -154,10 +171,6 @@ CMakeSetupDialog::CMakeSetupDialog()
   QObject::connect(a, SIGNAL(triggered(bool)),
                    this, SLOT(doHelp()));
 
-  QShortcut* filterShortcut = new QShortcut(QKeySequence::Find, this);
-  QObject::connect(filterShortcut, SIGNAL(activated()),
-                   this, SLOT(startSearch()));
-
   this->setAcceptDrops(true);
 
   // get the saved binary directories
@@ -172,6 +185,10 @@ CMakeSetupDialog::CMakeSetupDialog()
   this->Output->setFont(outputFont);
   this->ErrorFormat.setForeground(QBrush(Qt::red));
 
+  this->Output->setContextMenuPolicy(Qt::CustomContextMenu);
+  connect(this->Output, SIGNAL(customContextMenuRequested(const QPoint&)),
+          this, SLOT(doOutputContextMenu(const QPoint &)));
+
   // start the cmake worker thread
   this->CMakeThread = new QCMakeThread(this);
   QObject::connect(this->CMakeThread, SIGNAL(cmakeInitialized()),
@@ -637,7 +654,13 @@ void CMakeSetupDialog::showProgress(const QString& /*msg*/, float percent)
 void CMakeSetupDialog::error(const QString& msg)
 {
   this->Output->setCurrentCharFormat(this->ErrorFormat);
-  this->Output->append(msg);
+  //QTextEdit will terminate the msg with a ParagraphSeparator, but it also replaces
+  //all newlines with ParagraphSeparators. By replacing the newlines by ourself, one
+  //error msg will be one paragraph.
+  QString paragraph(msg);
+  paragraph.replace(QLatin1Char('\n'), QChar::LineSeparator);
+  this->Output->append(paragraph);
+
 }
 
 void CMakeSetupDialog::message(const QString& msg)
@@ -1149,4 +1172,134 @@ void CMakeSetupDialog::setSearchFilter(const QString& str)
   this->CacheValues->setSearchFilter(str);
 }
 
+void CMakeSetupDialog::doOutputContextMenu(const QPoint &pt)
+{
+  QMenu *menu = this->Output->createStandardContextMenu();
+
+  menu->addSeparator();
+  menu->addAction(tr("Find..."),
+                  this, SLOT(doOutputFindDialog()), QKeySequence::Find);
+  menu->addAction(tr("Find Next"),
+                  this, SLOT(doOutputFindNext()), QKeySequence::FindNext);
+  menu->addAction(tr("Find Previous"),
+                  this, SLOT(doOutputFindPrev()), QKeySequence::FindPrevious);
+  menu->addSeparator();
+  menu->addAction(tr("Goto Next Error"),
+                  this, SLOT(doOutputErrorNext()), QKeySequence(Qt::Key_F8));
+
+  menu->exec(this->Output->mapToGlobal(pt));
+  delete menu;
+}
+
+void CMakeSetupDialog::doOutputFindDialog()
+{
+  QStringList strings(this->FindHistory);
+
+  QString selection = this->Output->textCursor().selectedText();
+  if (!selection.isEmpty() &&
+      !selection.contains(QChar::ParagraphSeparator) &&
+      !selection.contains(QChar::LineSeparator))
+    {
+    strings.push_front(selection);
+    }
+
+  bool ok;
+  QString search = QInputDialog::getItem(this, tr("Find in Output"),
+                                         tr("Find:"), strings, 0, true, &ok);
+  if (ok && !search.isEmpty())
+    {
+    if (!this->FindHistory.contains(search))
+      {
+      this->FindHistory.push_front(search);
+      }
+    doOutputFindNext();
+    }
+}
+
+void CMakeSetupDialog::doOutputFindPrev()
+{
+  doOutputFindNext(false);
+}
+
+void CMakeSetupDialog::doOutputFindNext(bool directionForward)
+{
+  if (this->FindHistory.isEmpty())
+    {
+    doOutputFindDialog(); //will re-call this function again
+    return;
+    }
+
+  QString search = this->FindHistory.front();
+
+  QTextCursor cursor = this->Output->textCursor();
+  QTextDocument* document = this->Output->document();
+  QTextDocument::FindFlags flags;
+  if (!directionForward)
+    {
+    flags |= QTextDocument::FindBackward;
+    }
+
+  cursor = document->find(search, cursor, flags);
+
+  if (cursor.isNull())
+    {
+    // first search found nothing, wrap around and search again
+    cursor = this->Output->textCursor();
+    cursor.movePosition(directionForward ? QTextCursor::Start
+                                         : QTextCursor::End);
+    cursor = document->find(search, cursor, flags);
+    }
+
+  if (cursor.hasSelection())
+    {
+    this->Output->setTextCursor(cursor);
+    }
+}
+
+void CMakeSetupDialog::doOutputErrorNext()
+{
+  QTextCursor cursor = this->Output->textCursor();
+  bool atEnd = false;
 
+  // move cursor out of current error-block
+  if (cursor.blockCharFormat() == this->ErrorFormat)
+    {
+    atEnd = !cursor.movePosition(QTextCursor::NextBlock);
+    }
+
+  // move cursor to next error-block
+  while (cursor.blockCharFormat() != this->ErrorFormat && !atEnd)
+    {
+    atEnd = !cursor.movePosition(QTextCursor::NextBlock);
+    }
+
+  if (atEnd)
+    {
+    // first search found nothing, wrap around and search again
+    atEnd = !cursor.movePosition(QTextCursor::Start);
+
+    // move cursor to next error-block
+    while (cursor.blockCharFormat() != this->ErrorFormat && !atEnd)
+      {
+      atEnd = !cursor.movePosition(QTextCursor::NextBlock);
+      }
+    }
+
+  if (!atEnd)
+    {
+    cursor.movePosition(QTextCursor::EndOfBlock, QTextCursor::KeepAnchor);
+
+    QTextCharFormat selectionFormat;
+    selectionFormat.setBackground(Qt::yellow);
+    QTextEdit::ExtraSelection extraSelection = {cursor, selectionFormat};
+    this->Output->setExtraSelections(QList<QTextEdit::ExtraSelection>()
+                                     << extraSelection);
+
+    // make the whole error-block visible
+    this->Output->setTextCursor(cursor);
+
+    // remove the selection to see the extraSelection
+    cursor.setPosition(cursor.anchor());
+    this->Output->setTextCursor(cursor);
+    }
+}
diff --git a/Source/QtDialog/CMakeSetupDialog.h b/Source/QtDialog/CMakeSetupDialog.h
index 2599675..963c7d1 100644
--- a/Source/QtDialog/CMakeSetupDialog.h
+++ b/Source/QtDialog/CMakeSetupDialog.h
@@ -77,6 +77,11 @@ protected slots:
   bool doConfigureInternal();
   bool doGenerateInternal();
   void exitLoop(int);
+  void doOutputContextMenu(const QPoint &);
+  void doOutputFindDialog();
+  void doOutputFindNext(bool directionForward = true);
+  void doOutputFindPrev();
+  void doOutputErrorNext();
 
 protected:
 
@@ -106,6 +111,7 @@ protected:
   QTextCharFormat MessageFormat;
 
   QStringList AddVariableCompletions;
+  QStringList FindHistory;
 
   QEventLoop LocalLoop;
 
diff --git a/Source/QtDialog/CMakeSetupDialog.ui b/Source/QtDialog/CMakeSetupDialog.ui
index dc8ee3f..98da249 100644
--- a/Source/QtDialog/CMakeSetupDialog.ui
+++ b/Source/QtDialog/CMakeSetupDialog.ui
@@ -107,7 +107,10 @@
             </sizepolicy>
            </property>
            <property name="text">
-            <string>Search:</string>
+            <string>S&amp;earch:</string>
+           </property>
+           <property name="buddy">
+            <cstring>Search</cstring>
            </property>
           </widget>
          </item>