gQtButtonsWidget.h

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#pragma once
 
// C++
#include <string>
#include <vector>
 
// qt
#include <QWidget>
#include <QListWidget>
#include <QPushButton>
#include <QVector>
#include <QIcon>
#include <QPalette>
#include <QSize>
#include <QEvent>
#include <QShowEvent>

struct ButtonInfo
{
    explicit ButtonInfo(const std::string& icon);

    QListWidgetItem* thisButton;

    QIcon iconForState(int state, const QSize& iconSize, const QPalette& palette) const;
 
private:
    std::string buttonName; 
};

class GQTButtonsWidget : public QWidget
{
    Q_OBJECT
 
public:
    explicit GQTButtonsWidget(double                          h, double v,
                              const std::vector<std::string>& bicons,
                              bool                            vertical = true,
                              QWidget*                        parent   = nullptr);
 
    ~GQTButtonsWidget() override = default;

    QListWidget* buttonsWidget;

    int button_pressed() const { return buttonsWidget->currentRow(); }

    void press_button(int i);

    void reset_buttons();
 
private:
    void refresh_icons();
 
protected:
    void changeEvent(QEvent* event) override;
    void showEvent(QShowEvent* event) override;
 
private:
    std::vector<ButtonInfo*> buttons;
 
private slots:
    void buttonWasPressed(QListWidgetItem* item);
};

class GQTToggleButtonWidget : public QWidget
{
    Q_OBJECT
 
public:
    explicit GQTToggleButtonWidget(int                             buttonWidth, int buttonHeight, int borderRadius,
                                   const std::vector<std::string>& titles,
                                   bool                            vertical = true,
                                   QWidget*                        parent   = nullptr);

    int buttonPressed() const { return buttonPressedIndex; }

    bool lastButtonState() const;

    void toggleButton(int index);

    bool buttonStatus(int index) const;

    void reset_buttons();

    void setSvgButtonIcon(int index, const QString& svgResourcePath, const QSize& iconSize = QSize());
 
signals:
    void buttonPressedIndexChanged(int index);
 
protected:
    void changeEvent(QEvent* event) override;
    void showEvent(QShowEvent* event) override;
 
private:
    struct SvgIcon { QString path; QSize size; };
 
    int                   buttonPressedIndex; 
    QVector<QPushButton*> buttons;            
    QVector<SvgIcon>      svgIcons; 
 
    void refresh_svg_icons(); 
 
private slots:
    void setButtonPressed(int index);
};