Is the main window of UniversalIndentGUI. More...

#include <MainWindow.h>

Inheritance diagram for MainWindow:

Public Member Functions
	MainWindow (QString file2OpenOnStart="", QWidget *parent=NULL)
	Constructor.
	~MainWindow ()
Protected Member Functions
void	closeEvent (QCloseEvent *event)
	Is always called when the program is quit. Calls the saveSettings function before really quits.
bool	eventFilter (QObject obj, QEvent event)
	This function is setup to capture tooltip events.
Private Slots
void	callIndenter ()
	Calls the selected indenter with the currently loaded source code to retrieve the formatted source code.
void	clearRecentlyOpenedList ()
	This slot empties the list of recently opened files.
void	encodingChanged (QAction *encodingAction)
	This slot is called whenever an encoding is selected in the settings menu.
void	exportToHTML ()
	Opens a dialog to save the current source code as a HTML document.
void	exportToPDF ()
	Opens a dialog to save the current source code as a PDF document.
void	indentSettingsChangedSlot ()
	This slot is called whenever one of the indenter _settings are changed.
void	languageChanged (int languageIndex)
	This slot is called whenever a language is selected in the menu. It tries to find the corresponding action in the languageInfoList and sets the language.
void	numberOfLinesChanged ()
	This slot is called whenever the number of lines in the editor changes and adapts the margin for the displayed line numbers.
void	openFileFromRecentlyOpenedList (QAction *recentlyOpenedAction)
	This slot is called if an entry from the list of recently opened files is being selected.
void	openSourceFileDialog (QString fileName="")
	Calls the source file open dialog to load a source file for the formatting preview.
void	previewTurnedOnOff (bool turnOn)
	This slot is called whenever the preview button is turned on or off.
void	saveAsOtherEncoding (QAction *chosenEncodingAction)
	This slot calls the save dialog to save the current source file with another encoding.
bool	saveasSourceFileDialog (QAction *chosenEncodingAction=NULL)
	Calls the source file save as dialog to save a source file under a chosen name.
bool	saveSourceFile ()
	Saves the currently shown source code to the last save or opened source file.
void	setStatusBarCursorPosInfo (int line, int column)
	Sets the label in the status bar to show the line and column number.
void	setWhiteSpaceVisibility (bool visible)
	Is called whenever the white space visibility is being changed in the menu.
void	showAboutDialog ()
	If the dropped in object contains urls/paths to a file, open that file.
void	sourceCodeChangedHelperSlot ()
	Added this slot to avoid multiple calls because of changed text.
void	sourceCodeChangedSlot ()
	Is emitted whenever the text inside the source view window changes. Calls the indenter to format the changed source code.
void	turnHighlightOnOff (bool turnOn)
	Switches the syntax highlighting corresponding to the value turnOn either on or off.
void	updateRecentlyOpenedList ()
	Updates the list of recently opened files.
void	updateSourceView ()
	Updates the displaying of the source code.
Private Member Functions
void	changeEvent (QEvent *event)
	Catches language change events and retranslates all needed widgets.
void	createEncodingMenu ()
	Creates a menu entries in the file menu for opening and saving a file with different encodings.
void	createHighlighterMenu ()
	Creates a menu entry under the settings menu for all available text encodings.
void	dragEnterEvent (QDragEnterEvent *event)
	If the dragged in object contains urls/paths to a file, accept the drag.
void	dropEvent (QDropEvent *event)
	If the dropped in object contains urls/paths to a file, open that file.
bool	initApplicationLanguage ()
	Initializes the language of UniversalIndentGUI.
void	initIndenter ()
	Creates and initializes the indenter.
void	initMainWindow ()
	Initializes the main window by creating the main gui and make some _settings.
void	initSyntaxHighlighter ()
	Create and init the syntax _highlighter and set it to use the QScintilla edit component.
void	initTextEditor ()
	Create and initialize the text editor component. It uses the QScintilla widget.
void	initToolBar ()
	Creates and inits the tool bar. It is added to the main window.
QString	loadFile (QString filePath)
	Tries to load the by filePath defined file and returns its content as QString.
void	loadLastOpenedFile ()
	Loads the last opened file if this option is enabled in the _settings.
bool	maybeSave ()
	Is called at application exit and asks whether to save the source code file, if it has been changed.
QString	openFileDialog (QString dialogHeaderStr, QString startPath, QString fileMaskStr)
	Shows a file open dialog.
void	saveSettings ()
	Saves the _settings for the main application to the file "UniversalIndentGUI.ini".
void	updateWindowTitle ()
	This slot updates the main window title to show the currently opened source code filename.
Private Attributes
AboutDialog *	_aboutDialog
AboutDialogGraphicsView *	_aboutDialogGraphicsView
QString	_currentEncoding
int	_currentIndenterID
QString	_currentSourceFile
QString	_currentSourceFileExtension
QActionGroup *	_encodingActionGroup
QStringList	_encodingsList
UiGuiHighlighter *	_highlighter
QActionGroup *	_highlighterActionGroup
IndentHandler *	_indentHandler
bool	_indentSettingsChanged
bool	_isFirstRunOfThisVersion
bool	_loadLastSourceCodeFileOnStartup
Ui::MainWindowUi *	_mainWindowForm
bool	_previewToggled
QsciScintilla *	_qSciSourceCodeEditor
QTranslator *	_qTTranslator
QString	_savedSourceContent
QActionGroup *	_saveEncodedActionGroup
bool	_scrollPositionChanged
QSharedPointer< UiGuiSettings >	_settings
UiGuiSettingsDialog *	_settingsDialog
bool	_sourceCodeChanged
QString	_sourceFileContent
QString	_sourceFormattedContent
QString	_sourceViewContent
int	_textEditLastScrollPos
QLabel *	_textEditLineColumnInfoLabel
QScrollBar *	_textEditVScrollBar
Ui::ToolBarWidget *	_toolBarWidget
QTranslator *	_uiGuiTranslator
UpdateCheckDialog *	_updateCheckDialog

Detailed Description

Is the main window of UniversalIndentGUI.

The MainWindow class is responsible for generating and displaying most of the gui elements. Its look is set in the file "mainwindow.ui". An object for the indent handler is generated here and user actions are being controlled. Is responsible for file open dialogs and indenter selection.

Definition at line 46 of file MainWindow.h.

Constructor & Destructor Documentation

MainWindow::MainWindow	(	QString	file2OpenOnStart = `""`,
		QWidget *	parent = `NULL`
	)

Constructor.

Constructs the main window.

Definition at line 77 of file MainWindow.cpp.

References _aboutDialog, _aboutDialogGraphicsView, _mainWindowForm, _scrollPositionChanged, _settings, _settingsDialog, _sourceCodeChanged, _toolBarWidget, _updateCheckDialog, UpdateCheckDialog::checkForUpdate(), createEncodingMenu(), createHighlighterMenu(), UiGuiSettings::getInstance(), initApplicationLanguage(), initIndenter(), initMainWindow(), initSyntaxHighlighter(), initTextEditor(), initToolBar(), loadLastOpenedFile(), openSourceFileDialog(), showAboutDialog(), and updateSourceView().

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MainWindow::~MainWindow ( ) [inline]

Definition at line 53 of file MainWindow.h.

References _settings.

Member Function Documentation

void MainWindow::callIndenter ( ) [private, slot]

Calls the selected indenter with the currently loaded source code to retrieve the formatted source code.

The original loaded source code file will not be changed.

Definition at line 604 of file MainWindow.cpp.

References _currentSourceFileExtension, _indentHandler, _sourceFileContent, _sourceFormattedContent, and IndentHandler::callIndenter().

Referenced by indentSettingsChangedSlot(), openSourceFileDialog(), previewTurnedOnOff(), and sourceCodeChangedSlot().

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void MainWindow::changeEvent ( QEvent * event ) [private]

Catches language change events and retranslates all needed widgets.

Definition at line 1203 of file MainWindow.cpp.

References _encodingActionGroup, _encodingsList, _highlighter, _indentHandler, _mainWindowForm, _qSciSourceCodeEditor, _saveEncodedActionGroup, _toolBarWidget, UiGuiHighlighter::getAvailableHighlighters(), IndentHandler::retranslateUi(), setStatusBarCursorPosInfo(), and updateWindowTitle().

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void MainWindow::clearRecentlyOpenedList ( ) [private, slot]

This slot empties the list of recently opened files.

Definition at line 1337 of file MainWindow.cpp.

References _mainWindowForm, and _settings.

Referenced by openFileFromRecentlyOpenedList().

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void MainWindow::closeEvent ( QCloseEvent * event ) [protected]

Is always called when the program is quit. Calls the saveSettings function before really quits.

Definition at line 979 of file MainWindow.cpp.

References maybeSave(), and saveSettings().

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void MainWindow::createEncodingMenu ( ) [private]

Creates a menu entries in the file menu for opening and saving a file with different encodings.

Definition at line 1069 of file MainWindow.cpp.

References _currentEncoding, _encodingActionGroup, _encodingsList, _mainWindowForm, _saveEncodedActionGroup, encodingChanged(), and saveAsOtherEncoding().

Referenced by MainWindow().

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void MainWindow::createHighlighterMenu ( ) [private]

Creates a menu entry under the settings menu for all available text encodings.

Definition at line 1156 of file MainWindow.cpp.

References _highlighter, _highlighterActionGroup, _mainWindowForm, and UiGuiHighlighter::getAvailableHighlighters().

Referenced by MainWindow().

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void MainWindow::dragEnterEvent ( QDragEnterEvent * event ) [private]

If the dragged in object contains urls/paths to a file, accept the drag.

Definition at line 1392 of file MainWindow.cpp.

void MainWindow::dropEvent ( QDropEvent * event ) [private]

If the dropped in object contains urls/paths to a file, open that file.

Definition at line 1402 of file MainWindow.cpp.

References openSourceFileDialog().

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void MainWindow::encodingChanged ( QAction * encodingAction ) [private, slot]

This slot is called whenever an encoding is selected in the settings menu.

Definition at line 1129 of file MainWindow.cpp.

References _currentEncoding, _currentSourceFile, _qSciSourceCodeEditor, and maybeSave().

Referenced by createEncodingMenu().

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bool MainWindow::eventFilter	(	QObject *	obj,
		QEvent *	event
	)		`[protected]`

This function is setup to capture tooltip events.

All widgets that are created by the _indentHandler object and are responsible for indenter parameters are connected with this event filter. So depending on the _settings the tooltips can be enabled and disabled for these widgets.

Definition at line 997 of file MainWindow.cpp.

References _mainWindowForm.

void MainWindow::exportToHTML ( ) [private, slot]

Opens a dialog to save the current source code as a HTML document.

Definition at line 880 of file MainWindow.cpp.

References _currentSourceFile, and _qSciSourceCodeEditor.

Referenced by initMainWindow().

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void MainWindow::exportToPDF ( ) [private, slot]

Opens a dialog to save the current source code as a PDF document.

Definition at line 858 of file MainWindow.cpp.

References _currentSourceFile, and _qSciSourceCodeEditor.

Referenced by initMainWindow().

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void MainWindow::indentSettingsChangedSlot ( ) [private, slot]

This slot is called whenever one of the indenter _settings are changed.

It calls the selected indenter if the preview is turned on. If preview is not active a flag is set, that the _settings have changed.

Definition at line 769 of file MainWindow.cpp.

References _indentSettingsChanged, _previewToggled, _qSciSourceCodeEditor, _savedSourceContent, _sourceCodeChanged, _toolBarWidget, callIndenter(), and updateSourceView().

Referenced by initIndenter().

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bool MainWindow::initApplicationLanguage ( ) [private]

Initializes the language of UniversalIndentGUI.

If the program language is defined in the _settings, the corresponding language file will be loaded and set for the application. If not set there, the system default language will be set, if a translation file for that language exists. Returns true, if the translation file could be loaded. Otherwise it returns false and uses the default language, which is English.

Definition at line 321 of file MainWindow.cpp.

References _qTTranslator, _settings, _uiGuiTranslator, and SettingsPaths::getGlobalFilesPath().

Referenced by MainWindow().

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void MainWindow::initIndenter ( ) [private]

Creates and initializes the indenter.

Definition at line 375 of file MainWindow.cpp.

References _currentIndenterID, _indentHandler, _indentSettingsChanged, _mainWindowForm, _previewToggled, _settings, IndentHandler::getIndenterMenuActions(), and indentSettingsChangedSlot().

Referenced by MainWindow().

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void MainWindow::initMainWindow ( ) [private]

Initializes the main window by creating the main gui and make some _settings.

Definition at line 160 of file MainWindow.cpp.

References _currentEncoding, _isFirstRunOfThisVersion, _mainWindowForm, _settings, _updateCheckDialog, exportToHTML(), exportToPDF(), openFileFromRecentlyOpenedList(), openSourceFileDialog(), PROGRAM_VERSION_STRING, saveasSourceFileDialog(), saveSourceFile(), setWhiteSpaceVisibility(), and updateRecentlyOpenedList().

Referenced by MainWindow().

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void MainWindow::initSyntaxHighlighter ( ) [private]

Create and init the syntax _highlighter and set it to use the QScintilla edit component.

Definition at line 300 of file MainWindow.cpp.

References _highlighter, _mainWindowForm, _qSciSourceCodeEditor, _settings, and turnHighlightOnOff().

Referenced by MainWindow().

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void MainWindow::initTextEditor ( ) [private]

Create and initialize the text editor component. It uses the QScintilla widget.

Definition at line 246 of file MainWindow.cpp.

References _mainWindowForm, _qSciSourceCodeEditor, _settings, _textEditLineColumnInfoLabel, _textEditVScrollBar, numberOfLinesChanged(), setStatusBarCursorPosInfo(), setWhiteSpaceVisibility(), and sourceCodeChangedHelperSlot().

Referenced by MainWindow().

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void MainWindow::initToolBar ( ) [private]

Creates and inits the tool bar. It is added to the main window.

Definition at line 224 of file MainWindow.cpp.

References _mainWindowForm, _settings, _toolBarWidget, openSourceFileDialog(), and previewTurnedOnOff().

Referenced by MainWindow().

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void MainWindow::languageChanged ( int languageIndex ) [private, slot]

This slot is called whenever a language is selected in the menu. It tries to find the corresponding action in the languageInfoList and sets the language.

Definition at line 1039 of file MainWindow.cpp.

References _qTTranslator, _settings, _uiGuiTranslator, and SettingsPaths::getGlobalFilesPath().

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QString MainWindow::loadFile ( QString filePath ) [private]

Tries to load the by filePath defined file and returns its content as QString.

If the file could not be loaded a error dialog will be shown.

Definition at line 403 of file MainWindow.cpp.

References _currentEncoding, _currentSourceFileExtension, _highlighter, _highlighterActionGroup, and UiGuiHighlighter::setLexerForExtension().

Referenced by loadLastOpenedFile(), openFileDialog(), and openSourceFileDialog().

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void MainWindow::loadLastOpenedFile ( ) [private]

Loads the last opened file if this option is enabled in the _settings.

If the file does not exist, the default example file is tried to be loaded. If even that fails a very small code example is shown. If the setting for opening the last file is disabled, the editor is empty on startup.

Definition at line 915 of file MainWindow.cpp.

References _currentSourceFile, _currentSourceFileExtension, _loadLastSourceCodeFileOnStartup, _savedSourceContent, _settings, _sourceFileContent, SettingsPaths::getIndenterPath(), loadFile(), and updateWindowTitle().

Referenced by MainWindow().

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bool MainWindow::maybeSave ( ) [private]

Is called at application exit and asks whether to save the source code file, if it has been changed.

Definition at line 1017 of file MainWindow.cpp.

References saveSourceFile().

Referenced by closeEvent(), encodingChanged(), and openSourceFileDialog().

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void MainWindow::numberOfLinesChanged ( ) [private, slot]

This slot is called whenever the number of lines in the editor changes and adapts the margin for the displayed line numbers.

Definition at line 1193 of file MainWindow.cpp.

References _qSciSourceCodeEditor.

Referenced by initTextEditor().

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QString MainWindow::openFileDialog	(	QString	dialogHeaderStr,
		QString	startPath,
		QString	fileMaskStr
	)		`[private]`

Shows a file open dialog.

Shows a file open dialog with the title dialogHeaderStr starting in the directory startPath and with a file mask defined by fileMaskStr. Returns the contents of the file as QString.

Definition at line 556 of file MainWindow.cpp.

References loadFile().

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void MainWindow::openFileFromRecentlyOpenedList ( QAction * recentlyOpenedAction ) [private, slot]

This slot is called if an entry from the list of recently opened files is being selected.

Definition at line 1359 of file MainWindow.cpp.

References _mainWindowForm, _settings, clearRecentlyOpenedList(), openSourceFileDialog(), and updateRecentlyOpenedList().

Referenced by initMainWindow().

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void MainWindow::openSourceFileDialog ( QString fileName = "" ) [private, slot]

Calls the source file open dialog to load a source file for the formatting preview.

If the file was successfully loaded the indenter will be called to generate the formatted source code.

Definition at line 432 of file MainWindow.cpp.

References _currentSourceFile, _currentSourceFileExtension, _indentHandler, _previewToggled, _qSciSourceCodeEditor, _savedSourceContent, _sourceCodeChanged, _sourceFileContent, _textEditLastScrollPos, _textEditVScrollBar, _toolBarWidget, callIndenter(), IndentHandler::getPossibleIndenterFileExtensions(), loadFile(), maybeSave(), updateRecentlyOpenedList(), updateSourceView(), and updateWindowTitle().

Referenced by dropEvent(), initMainWindow(), initToolBar(), MainWindow(), and openFileFromRecentlyOpenedList().

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void MainWindow::previewTurnedOnOff ( bool turnOn ) [private, slot]

This slot is called whenever the preview button is turned on or off.

It calls the selected indenter to format the current source code if the code has been changed since the last indenter call.

Definition at line 813 of file MainWindow.cpp.

References _indentSettingsChanged, _previewToggled, _qSciSourceCodeEditor, _savedSourceContent, _sourceCodeChanged, callIndenter(), and updateSourceView().

Referenced by initToolBar().

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void MainWindow::saveAsOtherEncoding ( QAction * chosenEncodingAction ) [private, slot]

This slot calls the save dialog to save the current source file with another encoding.

If the saving is successful and not aborted, the currently used encoding, visible in the "reopen" menu, is also changed to the new encoding.

Definition at line 1111 of file MainWindow.cpp.

References _encodingActionGroup, and saveasSourceFileDialog().

Referenced by createEncodingMenu().

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bool MainWindow::saveasSourceFileDialog ( QAction * chosenEncodingAction = NULL ) [private, slot]

Calls the source file save as dialog to save a source file under a chosen name.

If the file already exists and it should be overwritten, a warning is shown before.

Definition at line 477 of file MainWindow.cpp.

References _currentSourceFile, _currentSourceFileExtension, _encodingActionGroup, _indentHandler, _qSciSourceCodeEditor, _savedSourceContent, IndentHandler::getPossibleIndenterFileExtensions(), and updateWindowTitle().

Referenced by initMainWindow(), saveAsOtherEncoding(), and saveSourceFile().

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void MainWindow::saveSettings ( ) [private]

Saves the _settings for the main application to the file "UniversalIndentGUI.ini".

Settings are for example last selected indenter, last loaded config file and so on.

Definition at line 961 of file MainWindow.cpp.

References _currentEncoding, _highlighter, _settings, PROGRAM_VERSION_STRING, and UiGuiHighlighter::writeCurrentSettings().

Referenced by closeEvent().

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bool MainWindow::saveSourceFile ( ) [private, slot]

Saves the currently shown source code to the last save or opened source file.

If no source file has been opened, because only the static example has been loaded, the save as file dialog will be shown.

Definition at line 526 of file MainWindow.cpp.

References _currentEncoding, _currentSourceFile, _encodingActionGroup, _qSciSourceCodeEditor, _savedSourceContent, and saveasSourceFileDialog().

Referenced by initMainWindow(), and maybeSave().

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void MainWindow::setStatusBarCursorPosInfo	(	int	line,
		int	column
	)		`[private, slot]`

Sets the label in the status bar to show the line and column number.

Definition at line 1426 of file MainWindow.cpp.

References _textEditLineColumnInfoLabel.

Referenced by changeEvent(), and initTextEditor().

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void MainWindow::setWhiteSpaceVisibility ( bool visible ) [private, slot]

Is called whenever the white space visibility is being changed in the menu.

Definition at line 1178 of file MainWindow.cpp.

References _qSciSourceCodeEditor.

Referenced by initMainWindow(), and initTextEditor().

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void MainWindow::showAboutDialog ( ) [private, slot]

If the dropped in object contains urls/paths to a file, open that file.

Definition at line 1415 of file MainWindow.cpp.

References _aboutDialogGraphicsView, and AboutDialogGraphicsView::show().

Referenced by MainWindow().

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void MainWindow::sourceCodeChangedHelperSlot ( ) [private, slot]

Added this slot to avoid multiple calls because of changed text.

Definition at line 630 of file MainWindow.cpp.

References sourceCodeChangedSlot().

Referenced by initTextEditor(), and updateSourceView().

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void MainWindow::sourceCodeChangedSlot ( ) [private, slot]

Is emitted whenever the text inside the source view window changes. Calls the indenter to format the changed source code.

Definition at line 639 of file MainWindow.cpp.

References _previewToggled, _qSciSourceCodeEditor, _savedSourceContent, _scrollPositionChanged, _sourceCodeChanged, _sourceFileContent, _toolBarWidget, callIndenter(), SCI_GETCURRENTPOS, and updateSourceView().

Referenced by sourceCodeChangedHelperSlot().

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void MainWindow::turnHighlightOnOff ( bool turnOn ) [private, slot]

Switches the syntax highlighting corresponding to the value turnOn either on or off.

Definition at line 615 of file MainWindow.cpp.

References _highlighter, _previewToggled, UiGuiHighlighter::turnHighlightOff(), UiGuiHighlighter::turnHighlightOn(), and updateSourceView().

Referenced by initSyntaxHighlighter().

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void MainWindow::updateRecentlyOpenedList ( ) [private, slot]

Updates the list of recently opened files.

Therefore the currently open file is set at the lists first position regarding the in the _settings set maximum list length. Overheads of the list will be cut off. The new list will be updated to the _settings and the recently opened menu will be updated too.

Definition at line 1260 of file MainWindow.cpp.

References _currentSourceFile, _mainWindowForm, and _settings.

Referenced by initMainWindow(), openFileFromRecentlyOpenedList(), and openSourceFileDialog().

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void MainWindow::updateSourceView ( ) [private, slot]

Updates the displaying of the source code.

Updates the text edit field, which is showing the loaded, and if preview is enabled formatted, source code. Reassigns the line numbers and in case of switch between preview and none preview keeps the text field at the same line number.

Definition at line 576 of file MainWindow.cpp.

References _previewToggled, _qSciSourceCodeEditor, _sourceFileContent, _sourceFormattedContent, _sourceViewContent, _textEditLastScrollPos, _textEditVScrollBar, _toolBarWidget, and sourceCodeChangedHelperSlot().

Referenced by indentSettingsChangedSlot(), MainWindow(), openSourceFileDialog(), previewTurnedOnOff(), sourceCodeChangedSlot(), and turnHighlightOnOff().

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