/usr/include/IV-2_6/InterViews/control.h is in ivtools-dev 1.2.11a1-2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 | /*
* Copyright (c) 1987, 1988, 1989, 1990, 1991 Stanford University
* Copyright (c) 1991 Silicon Graphics, Inc.
*
* Permission to use, copy, modify, distribute, and sell this software and
* its documentation for any purpose is hereby granted without fee, provided
* that (i) the above copyright notices and this permission notice appear in
* all copies of the software and related documentation, and (ii) the names of
* Stanford and Silicon Graphics may not be used in any advertising or
* publicity relating to the software without the specific, prior written
* permission of Stanford and Silicon Graphics.
*
* THE SOFTWARE IS PROVIDED "AS-IS" AND WITHOUT WARRANTY OF ANY KIND,
* EXPRESS, IMPLIED OR OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY
* WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
*
* IN NO EVENT SHALL STANFORD OR SILICON GRAPHICS BE LIABLE FOR
* ANY SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY KIND,
* OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
* WHETHER OR NOT ADVISED OF THE POSSIBILITY OF DAMAGE, AND ON ANY THEORY OF
* LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
* OF THIS SOFTWARE.
*/
/*
* Controls provide an interface to selecting and executing some action.
*/
#ifndef ivlook2_6_control_h
#define ivlook2_6_control_h
#include <InterViews/resource.h>
#include <IV-2_6/InterViews/scene.h>
#include <IV-2_6/InterViews/subject.h>
#include <InterViews/_enter.h>
class Control;
class ControlState;
//: provide an interface to selecting and executing some action (iv-2.6)
// <a href=../man3.1/Control.html>man page</a>
class Control : public MonoScene {
public:
Control(Interactor*);
Control(const char* name, Interactor*);
~Control();
ControlState* State() { return state_; }
void SetState(ControlState*);
virtual void Handle(Event&);
virtual void Enable(boolean);
boolean Enabled();
virtual void Select(); /* highlight, open, and grab */
virtual void Unselect(); /* close, unhighlight */
virtual void Do(); /* action for selection */
Control* ParentControl();
Control* RootControl();
protected:
virtual void Down(); /* activate control */
virtual void Enter(); /* select a control if active */
virtual void Open(); /* open subviews, if any */
virtual void Grab(); /* read input events */
virtual void Skip(); /* ignore until enter active control */
virtual void Leave(); /* unselect if active */
virtual void Close(); /* close subviews, if any */
virtual void Up(); /* deactivate control, do selection */
virtual void Busy();
virtual void Done();
virtual boolean IsGrabbing(Interactor*);
void Reparent(Control*, Control* parent);
private:
ControlState* state_;
boolean enabled_;
Control* parent_;
void Init(const char*, Interactor*);
};
inline boolean Control::Enabled() { return enabled_; }
inline Control* Control::ParentControl() { return parent_; }
/*
* ControlState is a subject that several controls share to exchange
* common information.
*/
enum ControlStatus { ControlActive = 0x1 };
class ControlState : virtual public Subject {
public:
ControlState(unsigned status = 0);
~ControlState();
boolean Active() { return Set(ControlActive); }
void Activate() { Set(ControlActive, true); }
virtual void Deactivate();
Control* Selection() { return selection; }
void Selection(Control* c) { selection = c; }
virtual void NotifySelection(Control*);
Control* Action() { return action; }
void Action(Control* c) { action = c; }
void Push(ControlState*);
void Pop();
ControlState* Next() { return next; }
ControlState* Prev() { return prev; }
protected:
unsigned status;
Control* selection;
Control* action;
ControlState* next;
ControlState* prev;
boolean Set(ControlStatus s) { return (status & s) != 0; }
void Set(ControlStatus s, boolean b) {
status = b ? (status | s) : (status & ~s);
}
};
#include <InterViews/_leave.h>
#endif
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