searchform.h

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/*
    Copyright © 2015-2019 by The qTox Project Contributors
 
    This file is part of qTox, a Qt-based graphical interface for Tox.
 
    qTox is libre software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation, either version 3 of the License, or
    (at your option) any later version.
 
    qTox is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.
 
    You should have received a copy of the GNU General Public License
    along with qTox.  If not, see <http://www.gnu.org/licenses/>.
*/
 
#pragma once
 
#include <QWidget>
#include <QLineEdit>
#include "searchtypes.h"
 
class QPushButton;
class QLabel;
class LineEdit;
class SearchSettingsForm;
 
class SearchForm final : public QWidget
{
    Q_OBJECT
public:
    enum class ToolButtonState {
        Disabled = 0,    // Grey
        Common = 1,      // Green
        Active = 2,      // Red
    };
 
    explicit SearchForm(QWidget* parent = nullptr);
    void removeSearchPhrase();
    QString getSearchPhrase() const;
    ParameterSearch getParameterSearch();
    void setFocusEditor();
    void insertEditor(const QString &text);
 
protected:
    void showEvent(QShowEvent* event) final;
 
private:
    // TODO: Merge with 'createButton' from chatformheader.cpp
    QPushButton* createButton(const QString& name, const QString& state);
    ParameterSearch getAndCheckParametrSearch();
    void setStateName(QPushButton* btn, ToolButtonState state);
    void useBeginState();
 
    QPushButton* settingsButton;
    QPushButton* upButton;
    QPushButton* downButton;
    QPushButton* hideButton;
    QPushButton* startButton;
    LineEdit* searchLine;
    SearchSettingsForm* settings;
    QLabel* messageLabel;
 
    QString searchPhrase;
    ParameterSearch parameter;
 
    bool isActiveSettings{false};
    bool isChangedPhrase{false};
    bool isSearchInBegin{true};
    bool isPrevSearch{false};
 
private slots:
    void changedSearchPhrase(const QString& text);
    void clickedUp();
    void clickedDown();
    void clickedHide();
    void clickedStart();
    void clickedSearch();
    void changedState(bool isUpdate);
 
public slots:
    void showMessageNotFound(SearchDirection direction);
    void reloadTheme();
 
signals:
    void searchInBegin(const QString& phrase, const ParameterSearch& parameter);
    void searchUp(const QString& phrase, const ParameterSearch& parameter);
    void searchDown(const QString& phrase, const ParameterSearch& parameter);
    void visibleChanged();
};
 
class LineEdit : public QLineEdit
{
    Q_OBJECT
 
public:
    LineEdit(QWidget* parent = nullptr);
 
protected:
    void keyPressEvent(QKeyEvent* event) final;
 
signals:
    void clickEnter();
    void clickShiftEnter();
    void clickEsc();
};