display_filter_edit.h

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#ifndef DISPLAYFILTEREDIT_H
#define DISPLAYFILTEREDIT_H
 
#include <QDrag>
#include <QActionGroup>
#include <QPointer>
 
#include <ui/qt/widgets/syntax_line_edit.h>
 
class QEvent;
class QToolButton;

typedef enum {
    DisplayFilterToApply,  
    DisplayFilterToEnter,  
    ReadFilterToApply,     
    CustomColumnToEnter,   
} DisplayFilterEditType;

class DisplayFilterEdit : public SyntaxLineEdit
{
    Q_OBJECT
public:
    explicit DisplayFilterEdit(QWidget *parent = 0, DisplayFilterEditType type = DisplayFilterToEnter);

    void setType(DisplayFilterEditType type);
 
protected:
    void paintEvent(QPaintEvent *evt) override;

    void resizeEvent(QResizeEvent *) override;

    void keyPressEvent(QKeyEvent *event) override { completionKeyPressEvent(event); }

    void focusInEvent(QFocusEvent *event) override { completionFocusInEvent(event); }

    void focusOutEvent(QFocusEvent *event) override;

    virtual void dragEnterEvent(QDragEnterEvent *event) override;

    virtual void dragMoveEvent(QDragMoveEvent *event) override;

    virtual void dropEvent(QDropEvent *event) override;

    virtual void contextMenuEvent(QContextMenuEvent *menu) override;
 
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) override;

    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_;

    QPointer<QToolButton> bookmark_button_;

    QPointer<QToolButton> clear_button_;

    QPointer<QToolButton> 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) override;

    void createFilterTextDropMenu(QDropEvent *event, bool prepare, QString filterText = QString());

    void alignActionButtons();

    void updateClearButton();
 
signals:
    void pushFilterSyntaxStatus(const QString& msg);

    void popFilterSyntaxStatus();

    void filterPackets(QString new_filter, bool force);

    void showPreferencesDialog(QString pane_name);
 
};
 
#endif // DISPLAYFILTEREDIT_H