display_filter_edit.h

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#ifndef DISPLAYFILTEREDIT_H
#define DISPLAYFILTEREDIT_H
 
#include <QDrag>
#include <QActionGroup>
 
#include <ui/qt/widgets/syntax_line_edit.h>
 
class QEvent;
class StockIconToolButton;
 
typedef enum {
    DisplayFilterToApply,
    DisplayFilterToEnter,
    ReadFilterToApply
} DisplayFilterEditType;
 
class DisplayFilterEdit : public SyntaxLineEdit
{
    Q_OBJECT
public:
    explicit DisplayFilterEdit(QWidget *parent = 0, DisplayFilterEditType type = DisplayFilterToEnter);
 
protected:
    void paintEvent(QPaintEvent *evt);
    void resizeEvent(QResizeEvent *);
    void keyPressEvent(QKeyEvent *event) { completionKeyPressEvent(event); }
    void focusInEvent(QFocusEvent *event) { completionFocusInEvent(event); }
    void focusOutEvent(QFocusEvent *event);
 
    virtual void dragEnterEvent(QDragEnterEvent *event);
    virtual void dragMoveEvent(QDragMoveEvent *event);
    virtual void dropEvent(QDropEvent *event);
    virtual void contextMenuEvent(QContextMenuEvent *menu);
 
public slots:
    bool checkFilter();
    void updateBookmarkMenu();
    void applyDisplayFilter();
    void displayFilterSuccess(bool success);
    void setStyleSheet(const QString &style_sheet);
 
private slots:
    void checkFilter(const QString &filter_text);
    void clearFilter();
    void changeEvent(QEvent* event);
 
    void displayFilterExpression();
 
    void saveFilter();
    void removeFilter();
    void showFilters();
    void showExpressionPrefs();
    void applyOrPrepareFilter();
 
    void triggerAlignementAction();
 
    void connectToMainWindow();
 
private:
    DisplayFilterEditType type_;
    QString placeholder_text_;
    QAction *save_action_;
    QAction *remove_action_;
    QActionGroup * actions_;
    StockIconToolButton *bookmark_button_;
    StockIconToolButton *clear_button_;
    StockIconToolButton *apply_button_;
    bool leftAlignActions_;
    QString last_applied_;
    QString filter_word_preamble_;
    bool autocomplete_accepts_field_;
    QString style_sheet_;
 
    void setDefaultPlaceholderText();
    void buildCompletionList(const QString &field_word, const QString &preamble);
 
    void createFilterTextDropMenu(QDropEvent *event, bool prepare, QString filterText = QString());
 
    void alignActionButtons();
    void updateClearButton();
 
signals:
    void pushFilterSyntaxStatus(const QString&);
    void popFilterSyntaxStatus();
    void filterPackets(QString new_filter, bool force);
    void showPreferencesDialog(QString pane_name);
 
};
 
#endif // DISPLAYFILTEREDIT_H