ocpicker.h

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#pragma once
 
#include <vector>
 
#include <InterViews/input.h>
#include <InterViews/event.h>
#include <InterViews/handler.h>
#include "rubband.h"
 
class Canvas;
class Allocation;
class Hit;
class ButtonHandler;
 
/* steer to the right method in response to a mouse action */
 
class StandardPicker {
  public:
    StandardPicker();
    virtual ~StandardPicker();
 
    virtual bool pick(Canvas*, Glyph*, int depth, Hit& h);
 
    void bind_select(Rubberband* rb) {
        bind_press(Event::left, rb);
    }
    void bind_adjust(Rubberband* rb) {
        bind_press(Event::middle, rb);
    }
    void bind_menu(Rubberband* rb) {
        bind_press(Event::right, rb);
    }
    void bind_press(EventButton eb, Rubberband*);
 
    void bind_select(OcHandler* h) {
        bind_press(Event::left, h);
    }
    void bind_adjust(OcHandler* h) {
        bind_press(Event::middle, h);
    }
    void bind_menu(OcHandler* h) {
        bind_press(Event::right, h);
    }
 
    void bind_move(OcHandler* h) {
        bind(0, 0, h);
    }
    void bind_press(EventButton eb, OcHandler* h) {
        bind(1, eb, h);
    }
    void bind_drag(EventButton eb, OcHandler* h) {
        bind(2, eb, h);
    }
    void bind_release(EventButton eb, OcHandler* h) {
        bind(3, eb, h);
    }
    void bind(int, EventButton eb, OcHandler* h);
 
    void unbind(int, EventButton);
    void remove_all(EventButton);
 
  private:
    void event(const Event&);
 
  private:
    typedef int State;
    enum { motion, press, drag, release, unknown };
    State ms_;
    EventButton mb_;
    std::vector<ButtonHandler*>* handlers_[unknown];
};