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livetrax/gtk2_ardour/matrix.h
Carl Hetherington 954e1a6e79 Improvements to the port matrix (I think). Sizing of the cairo section should be better. Clicking on nodes performs port connects / disconnects.
git-svn-id: svn://localhost/ardour2/branches/3.0@4402 d708f5d6-7413-0410-9779-e7cbd77b26cf
2009-01-13 01:15:19 +00:00

114 lines
2.8 KiB
C++

#ifndef __gtk_ardour_matrix_h__
#define __gtk_ardour_matrix_h__
#include <list>
#include <vector>
#include <string>
#include <stdint.h>
#include <gtkmm/eventbox.h>
#include <gtkmm/widget.h>
#include "port_group.h"
/// One of the other ports that we're connecting ours to
class OtherPort {
public:
OtherPort (const std::string& n, PortGroup& g)
: _short_name (n), _group (g) {}
std::string name () const;
std::string short_name () const { return _short_name; }
PortGroup& group() const { return _group; }
bool visible() const { return _group.visible; }
public:
std::string _short_name;
PortGroup& _group;
};
/// A node on the matrix
class MatrixNode {
public:
MatrixNode (std::string, OtherPort, bool, int32_t, int32_t);
~MatrixNode() {}
PortGroup& get_group() const { return them.group(); }
std::string our_name() const { return _name; }
std::string their_name() const { return them.name(); }
bool connected() const { return _connected; }
void set_connected (bool yn) { _connected = yn; }
int32_t x() const { return _x; }
int32_t y() const { return _y; }
private:
std::string _name;
OtherPort them;
bool _connected;
int32_t _x;
int32_t _y;
};
class Matrix : public Gtk::EventBox
{
public:
Matrix (PortMatrix*);
void set_ports (const std::list<std::string>&);
void add_group (PortGroup&);
void remove_group (PortGroup&);
void hide_group (PortGroup&);
void show_group (PortGroup&);
void clear ();
int row_spacing () const { return xstep; }
protected:
bool on_button_press_event (GdkEventButton* ev);
bool on_expose_event (GdkEventExpose* ev);
void on_size_allocate (Gtk::Allocation&);
void on_size_request (Gtk::Requisition*);
void on_realize ();
bool on_motion_notify_event (GdkEventMotion*);
bool on_leave_notify_event (GdkEventCrossing*);
MatrixNode* get_node (int32_t x, int32_t y);
private:
PortMatrix* _port_matrix; ///< the PortMatrix that we're working for
int height;
int width;
int alloc_width;
int alloc_height;
bool drawn;
int labels_y_shift;
int labels_x_shift;
float angle_radians;
int border;
int ystep;
int xstep;
uint32_t line_height;
uint32_t line_width;
int arc_radius;
int32_t motion_x;
int32_t motion_y;
std::list<std::string> ours;
std::list<OtherPort> others;
std::vector<MatrixNode*> nodes;
void reset_size ();
void redraw (GdkDrawable*, GdkRectangle*);
void alloc_pixmap ();
void setup_nodes ();
uint32_t get_visible_others () const;
void other_name_size_information (double *, double *, double *) const;
std::pair<int, int> ideal_size () const;
GdkPixmap* pixmap;
};
#endif /* __gtk_ardour_matrix_h__ */