looper/backends/ui/qt/slider.hpp

#pragma once

#include <QSlider>
#include <QWidget>
#include <QPushButton>
#include <QLineEdit>
#include <QBoxLayout>
#include <QLabel>
#include <QEvent>
#include <util.hpp>
class _looperSlider : public QSlider {
	Q_OBJECT;
	protected:
	inline void mousePressEvent(QMouseEvent *e) override {
		QSlider::mousePressEvent(e);
		emit(mousePressed());
	}
	inline void mouseReleaseEvent(QMouseEvent *e) override {
		QSlider::mouseReleaseEvent(e);
		emit(mouseReleased());
	}
	public:
	inline _looperSlider(Qt::Orientation orientation, QWidget *parent = nullptr) : QSlider(orientation, parent) { }
	Q_SIGNALS:
	void mousePressed();
	void mouseReleased();
};
class LooperSlider : public QWidget {
	Q_OBJECT;
	_looperSlider *slider;
	QPushButton *btn;
	QLineEdit *text;
	bool show_button_text;
	bool show_button_icon;
	QLabel *text_label;
	QLabel *min_label_view;
	QLabel *max_label_view;
	QBoxLayout *limits_view;
	QBoxLayout *root_layout;
	bool slider_value_updating = false;
	bool limits_visible = false;
	bool settings_changed = false;
	QBoxLayout *text_layout_view;
	bool pressed = false;
	LooperLogScaler *scaler;
	void UpdateLogScaler();
	void UpdateSlider(bool update_value = false);
	bool textChanged = false;
	bool text_editor_visible = false;
	bool slider_visible = false;
	bool slider_value_changed_after_release = true;
	bool text_label_visible = false;
	bool limits_actually_visible = false;
	double value;
	double tick;
	double min;
	double max;
	bool text_edit_mode = false;
	bool logarithmic;
	const char *label = NULL;
	const char *min_label = NULL;
	const char *max_label = NULL;
	void set_min(double min);
	void set_max(double max);
	void set_tick(double value);
	void set_logarithmic(bool logarithmic);
	void set_value(double value);
	public:
	bool IsPressed();
	void SetMin(double min);
	double Min();
	void SetMax(double max);
	double Max();
	void SetLimits(double min, double max);
	void SetMinLabel(const char *label);
	void SetMaxLabel(const char *label);
	const char *MinLabel();
	const char *MaxLabel();
	void SetLimitLabels(const char *min, const char *max);
	void SetValue(double value);
	double Value();
	void SetLogarithmic(bool logarithmic);
	bool IsLogarithmic();
	void SetLabel(const char *label);
	const char *Label();
	double Tick();
	bool ShowButtonText();
	bool ShowButtonIcon();
	void SetShowButtonText(bool enable);
	void SetShowButtonIcon(bool enable);
	void SetTick(double value);
	void EnableModeButton(bool enabled = true);
	inline void DisableModeButton() {
		EnableModeButton(false);
	}
	void SetMode(bool use_text_editor);
	inline void UseTextEditor() {
		SetMode(true);
	}
	inline void UseSlider() {
		SetMode(false);
	}
	inline bool UsingTextEditor() {
		return text_edit_mode;
	}
	inline bool UsingSlider() {
		return !UsingTextEditor();
	}
	inline void SwitchModes() {
		SetMode(!text_edit_mode);
	}
	explicit LooperSlider(const char *name, const char *label, double min, double max, double tick = 0.0001, bool logarithmic = false);
	~LooperSlider();
	void changeEvent(QEvent *event) override;
	Q_SIGNALS:
	void changed(double value);
	void mousePressed();
	void mouseReleased();
};