improved effects signalling

effects/effect.h

@@ -0,0 +1,126 @@
+#ifndef EFFECT_H
+#define EFFECT_H
+
+#include <QObject>
+#include <QString>
+#include <QVector>
+class QWidget;
+class CollapsibleWidget;
+class QGridLayout;
+
+struct Clip;
+class QXmlStreamReader;
+class QXmlStreamWriter;
+class Effect;
+
+#define EFFECT_TYPE_INVALID 0
+#define EFFECT_TYPE_VIDEO 1
+#define EFFECT_TYPE_AUDIO 2
+
+#define EFFECT_FIELD_DOUBLE 0
+#define EFFECT_FIELD_COLOR 1
+#define EFFECT_FIELD_STRING 2
+#define EFFECT_FIELD_BOOL 3
+#define EFFECT_FIELD_COMBO 4
+#define EFFECT_FIELD_FONT 5
+
+#define EFFECT_KEYFRAME_LINEAR 0
+#define EFFECT_KEYFRAME_HOLD 1
+#define EFFECT_KEYFRAME_BEZIER 2
+
+class EffectKeyframe {
+public:
+	long frame;
+};
+
+class EffectField : public QObject {
+	Q_OBJECT
+public:
+	EffectField(int t);
+	int type;
+
+	double get_double_value();
+	void set_double_value(double v);
+	void set_double_default_value(double v);
+	void set_double_minimum_value(double v);
+	void set_double_maximum_value(double v);
+
+	const QString get_string_value();
+	void set_string_value(const QString &s);
+
+	void add_combo_item(const QString& name, const QVariant &data);
+	int get_combo_index();
+	const QVariant get_combo_data();
+	const QString get_combo_string();
+	void set_combo_index(int index);
+	void set_combo_string(const QString& s);
+
+	bool get_bool_value();
+	void set_bool_value(bool b);
+
+	const QString get_font_name();
+
+	QColor get_color_value();
+	void set_color_value(QColor color);
+
+	QWidget* get_ui_element();
+	void set_enabled(bool e);
+signals:
+	void changed();
+private:
+	QWidget* ui_element;
+};
+
+class EffectRow {
+public:
+	EffectRow(Effect* parent, QGridLayout* uilayout, const QString& n, int row);
+	~EffectRow();
+	EffectField* add_field(int type);
+	EffectField* field(int i);
+	int fieldCount();
+	void set_keyframe(int field, long time);
+	void move_keyframe(int field, long from, long to);
+	void delete_keyframe(int field, long time);
+private:
+	Effect* parent_effect;
+	QGridLayout* ui;
+	QString name;
+	int ui_row;
+	QVector<EffectField*> fields;
+};
+
+class Effect : public QObject {
+	Q_OBJECT
+public:
+	Effect(Clip* c, int t, int i);
+	~Effect();
+    Clip* parent_clip;
+	int type;
+    int id;
+	QString name;
+	CollapsibleWidget* container;
+
+	EffectRow* add_row(const QString &name);
+	EffectRow* row(int i);
+
+    bool is_enabled();
+
+	virtual void refresh();
+
+    virtual Effect* copy(Clip* c);
+
+	void load(QXmlStreamReader* stream);
+	void save(QXmlStreamWriter* stream);
+
+	virtual void process_gl(int* anchor_x, int* anchor_y);
+    virtual void post_gl();
+    virtual void process_audio(quint8* samples, int nb_bytes);
+public slots:
+	void field_changed();
+private:
+	QVector<EffectRow*> rows;
+	QGridLayout* ui_layout;
+	QWidget* ui;
+};
+
+#endif // EFFECT_H