KarbonCalligraphyOptionWidget.h

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/* This file is part of the KDE project
   SPDX-FileCopyrightText: 2008 Fela Winkelmolen <fela.kde@gmail.com>
 
   SPDX-License-Identifier: LGPL-2.0-or-later
*/
 
#ifndef KARBONCALLIGRAPHYOPTIONWIDGET_H
#define KARBONCALLIGRAPHYOPTIONWIDGET_H
 
#include <QWidget>
#include <QMap>
 
class KComboBox;
class QCheckBox;
class QDoubleSpinBox;
class QToolButton;
class KisAngleSelector;
 
class KarbonCalligraphyOptionWidget : public QWidget
{
    Q_OBJECT
public:
    explicit KarbonCalligraphyOptionWidget();
    ~KarbonCalligraphyOptionWidget() override;
 
    // emits all signals with the appropriate values
    // called once the signals are connected inside KarbonCalligraphyTool
    // to make sure all parameters are uptodate
    void emitAll();
 
Q_SIGNALS:
    // all the following signals Q_EMIT user friendly values, not the internal
    // values which are instead computed directly by KarbonCalligraphyTool
    void usePathChanged(bool);
    void usePressureChanged(bool);
    void useAngleChanged(bool);
    void widthChanged(double);
    void thinningChanged(double);
    void angleChanged(int);
    void fixationChanged(double);
    void capsChanged(double);
    void massChanged(double);
    void dragChanged(double);
 
public Q_SLOTS:
    // needed for the shortcuts
    void increaseWidth();
    void decreaseWidth();
    void increaseAngle();
    void decreaseAngle();
 
private Q_SLOTS:
    void loadProfile(const QString &name);
    void toggleUseAngle(bool checked);
    void updateCurrentProfile();
    void saveProfileAs();
    void removeProfile();
 
    void setUsePathEnabled(bool enabled);
 
    void on_m_angleBox_angleChanged(qreal angle);
 
private:
    // TODO: maybe make it a hash?? <QString, QVariant>
    //       is it needed al all??
    struct Profile {
        QString name;
        int index; // index in the config file
        bool usePath;
        bool usePressure;
        bool useAngle;
        qreal width;
        qreal thinning;
        int angle;
        qreal fixation;
        qreal caps;
        qreal mass;
        qreal drag;
    };
 
    // convenience functions:
 
    // connects signals and slots
    void createConnections();
 
    // if they aren't already added adds the default profiles
    // called by the ctor
    void addDefaultProfiles();
 
    // load the profiles from the configuration file
    void loadProfiles();
 
    // loads the profile set as current profile in the configuration file
    void loadCurrentProfile();
 
    // save a new profile using the values of the input boxes
    // if a profile with the same name already exists it will be overwritten
    void saveProfile(const QString &name);
 
    // removes the profile from the configuration file, from profiles
    // and from the combobox.
    // if the profile doesn't exist the function does nothing
    void removeProfile(const QString &name);
 
    // returns the position inside profiles of a certain profile
    // returns -1 if the profile is not found
    int profilePosition(const QString &profileName);
 
private:
    typedef QMap<QString, Profile *> ProfileMap;
    ProfileMap m_profiles;
 
    KComboBox *m_comboBox;
    QCheckBox *m_usePath;
    QCheckBox *m_usePressure;
    QCheckBox *m_useAngle;
    QDoubleSpinBox  *m_widthBox;
    QDoubleSpinBox  *m_thinningBox;
    KisAngleSelector *m_angleBox;
    QDoubleSpinBox  *m_capsBox;
    QDoubleSpinBox  *m_fixationBox;
    QDoubleSpinBox  *m_massBox;
    QDoubleSpinBox  *m_dragBox;
 
    QToolButton *m_saveButton;
    QToolButton *m_removeButton;
 
    // when true updateCurrentProfile() doesn't do anything
    bool m_changingProfile;
};
 
#endif // KARBONCALLIGRAPHYOPTIONWIDGET_H