File: GetEventsMacro.net

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//
// time: Wed Jul 30 09:48:24 1997
//
// version: 3.1.1 (format), 3.1.4 (DX)
//
//
// Begin MDF
// MODULE GetEvents
// CATEGORY Macros
// DESCRIPTION extracts requested  information from events
// INPUT events; value list or field or string or string list; (no default);  events output of SuperviseWindow
// INPUT button_mask; value list or field or string or string list; (no default);  or-ing of buttons requested: left=1, middle=2, right=4
// INPUT buttonstate; value list or field or string or string list; (no default);  up=1, down=2, motion=3
// OUTPUT position; object;  x,y position of event
// OUTPUT event_occurred; object;  whether or not a requested event occurred
// End MDF
//
// comment: This macro, given an "events" input (the output
// comment: of SuperviseWindow) and a user-specified
// comment: mask for which kind of events are desired (which
// comment: button, and button-up, down, or motion) outputs
// comment: for any events matching the criteria the x,y position
// comment: of the event. In addition, it outputs whether or not
// comment: the specified type of event occurred, which is useful
// comment: for switches and routes in the calling program.
// comment: 
// comment: The input "button-mask" should be an "or-ring" of
// comment: which buttons are desired, where left=1, middle=2, and
// comment: right=4. For example, if you are interested in only left button events, then button-mask should be set to 1. If you are interested in both left and middle events, set button-mask to 3. If you are interested in only left and right button events, set button-mask to 5.
// comment: 
// comment: The input "buttonstate" should be set to 1, 2, or 3, where
// comment: 1=buttonup, 2=buttondown, and 3=buttonmotion.
// workspace: width = 1005, height = 734
// layout: snap = 0, width = 50, height = 50, align = NN
//
macro GetEvents(
 events
,button_mask
,buttonstate
) -> (
 position
,event_occurred
) {
    // 
    // node Input[3]: x = 350, y = 14, inputs = 0, label = Input
    // parameter: position = 1, name = 'events', value = '(no default)', descriptive = 1, description = ' events output of SuperviseWindow', required = 0, visible = 1
    //
GetEvents_Input_3_out_1 = events;
    // 
    // node Compute[6]: x = 405, y = 223, inputs = 2, label = Compute
    // input[1]: defaulting = 0, visible = 0, type = 32, value = "[$0.1, $0.2]"
    // expression: value = [a.1, a.2]
    // name[2]: value = a
    //
GetEvents_Compute_6_out_1 = 
    Compute(
    "[$0.1, $0.2]",
    GetEvents_Input_3_out_1
    ) [instance: 6, cache: 1];
    // 
    // node Input[1]: x = 99, y = 10, inputs = 0, label = Input
    // parameter: position = 2, name = 'button_mask', value = '(no default)', descriptive = 1, description = ' or-ing of buttons requested: left=1, middle=2, right=4', required = 0, visible = 1
    //
GetEvents_Input_1_out_1 = button_mask;
    // 
    // node Compute[7]: x = 112, y = 219, inputs = 3, label = Compute
    // input[1]: defaulting = 0, visible = 0, type = 32, value = "and($0.0, $1) ? 1 : 0"
    // expression: value = and(a.0, b) ? 1 : 0
    // name[2]: value = a
    // name[3]: value = b
    //
GetEvents_Compute_7_out_1 = 
    Compute(
    "and($0.0, $1) ? 1 : 0",
    GetEvents_Input_3_out_1,
    GetEvents_Input_1_out_1
    ) [instance: 7, cache: 1];
    // 
    // node Input[2]: x = 220, y = 8, inputs = 0, label = Input
    // parameter: position = 3, name = 'buttonstate', value = '(no default)', descriptive = 1, description = ' up=1, down=2, motion=3', required = 0, visible = 1
    //
GetEvents_Input_2_out_1 = buttonstate;
    // 
    // node Compute[8]: x = 214, y = 222, inputs = 3, label = Compute
    // input[1]: defaulting = 0, visible = 0, type = 32, value = "$0.3 == $1 ? 1 : 0"
    // expression: value = a.3 == b ? 1 : 0
    // name[2]: value = a
    // name[3]: value = b
    //
GetEvents_Compute_8_out_1 = 
    Compute(
    "$0.3 == $1 ? 1 : 0",
    GetEvents_Input_3_out_1,
    GetEvents_Input_2_out_1
    ) [instance: 8, cache: 1];
    // 
    // node Compute[9]: x = 158, y = 308, inputs = 3, label = Compute
    // input[1]: defaulting = 0, visible = 0, type = 32, value = "$0 && $1"
    // expression: value = a && b
    // name[2]: value = a
    // name[3]: value = b
    //
GetEvents_Compute_9_out_1 = 
    Compute(
    "$0 && $1",
    GetEvents_Compute_7_out_1,
    GetEvents_Compute_8_out_1
    ) [instance: 9, cache: 1];
    // 
    // node Construct[3]: x = 321, y = 322, inputs = 4, label = Construct
    //
GetEvents_Construct_3_out_1 = 
    Construct(
    GetEvents_Compute_6_out_1,
    NULL,
    NULL,
    GetEvents_Compute_9_out_1
    ) [instance: 3, cache: 1];
    // 
    // node Include[2]: x = 412, y = 391, inputs = 6, label = Include
    // input[2]: defaulting = 0, visible = 1, type = 5, value = 1.0
    // input[3]: defaulting = 0, visible = 1, type = 5, value = 1.0
    // input[6]: defaulting = 0, visible = 1, type = 3, value = 1
    //
GetEvents_Include_2_out_1 = 
    Include(
    GetEvents_Construct_3_out_1,
    1.0,
    1.0,
    NULL,
    NULL,
    1
    ) [instance: 2, cache: 1];
    // 
    // node Extract[2]: x = 659, y = 489, inputs = 2, label = Extract
    // input[2]: defaulting = 0, visible = 1, type = 32, value = "positions"
    //
GetEvents_Extract_2_out_1 = 
    Extract(
    GetEvents_Include_2_out_1,
    "positions"
    ) [instance: 2, cache: 1];
    // 
    // node Compute[10]: x = 630, y = 561, inputs = 2, label = Compute
    // input[1]: defaulting = 0, visible = 0, type = 32, value = "int($0)"
    // expression: value = int(a)
    // name[2]: value = a
    //
GetEvents_Compute_10_out_1 = 
    Compute(
    "int($0)",
    GetEvents_Extract_2_out_1
    ) [instance: 10, cache: 1];
    // 
    // node Inquire[2]: x = 431, y = 107, inputs = 3, label = Inquire
    // input[2]: defaulting = 0, visible = 1, type = 32, value = "is  null + 1"
    //
GetEvents_Inquire_2_out_1 = 
    Inquire(
    GetEvents_Input_3_out_1,
    "is  null + 1",
    NULL
    ) [instance: 2, cache: 1];
    // 
    // node Inquire[3]: x = 258, y = 461, inputs = 3, label = Inquire
    // input[2]: defaulting = 0, visible = 1, type = 32, value = "is  not empty"
    //
GetEvents_Inquire_3_out_1 = 
    Inquire(
    GetEvents_Include_2_out_1,
    "is  not empty",
    NULL
    ) [instance: 3, cache: 1];
    // 
    // node Transmitter[9]: x = 549, y = 146, inputs = 1, label = was_no_event
    //
was_no_event = GetEvents_Inquire_2_out_1;
    // 
    // node Receiver[11]: x = 55, y = 446, inputs = 1, label = was_no_event
    //
GetEvents_Receiver_11_out_1[cache: 0] = was_no_event;
    // 
    // node Switch[10]: x = 406, y = 585, inputs = 3, label = Switch
    // input[3]: defaulting = 0, visible = 1, type = 67108863, value = 0
    //
GetEvents_Switch_10_out_1 = 
    Switch(
    GetEvents_Receiver_11_out_1,
    GetEvents_Compute_10_out_1,
    0
    ) [instance: 10, cache: 1];
    // 
    // node Output[1]: x = 389, y = 672, inputs = 1, label = Output
    // parameter: position = 1, name = 'position', value = ' ', descriptive = 0, description = ' x,y position of event', required = 0, visible = 1
    //
position = GetEvents_Switch_10_out_1;
    // 
    // node Switch[9]: x = 314, y = 586, inputs = 3, label = Switch
    // input[3]: defaulting = 0, visible = 1, type = 67108863, value = 0
    //
GetEvents_Switch_9_out_1 = 
    Switch(
    GetEvents_Receiver_11_out_1,
    GetEvents_Inquire_3_out_1,
    0
    ) [instance: 9, cache: 1];
    // 
    // node Output[2]: x = 314, y = 668, inputs = 1, label = Output
    // parameter: position = 2, name = 'event_occurred', value = '(NULL)', descriptive = 1, description = ' whether or not a requested event occurred', required = 0, visible = 1
    //
event_occurred = GetEvents_Switch_9_out_1;
    //
    // decorator Annotate	pos=(449,57) size=204x44 style(Label), value = <NULL>
    // annotation user_begin: 51
    // annotation user: Determine whether or not
    // annotation user: any  mouse event occurred.
    // annotation user_end: <NULL>
    //
    // decorator Annotate	pos=(481,234) size=230x44 style(Label), value = <NULL>
    // annotation user_begin: 39
    // annotation user: extract the x,y position from the
    // annotation user: event
    // annotation user_end: <NULL>
    //
    // decorator Annotate	pos=(5,140) size=300x76 style(Label), value = <NULL>
    // annotation user_begin: 139
    // annotation user: These   computes   determine whether the
    // annotation user: mouse button pressed and the event type
    // annotation user: (button   up,  down, or  motion) match the
    // annotation user: requested event
    // annotation user_end: <NULL>
    //
    // decorator Annotate	pos=(433,318) size=369x60 style(Label), value = <NULL>
    // annotation user_begin: 119
    // annotation user: create a field with the x,y of the event as "positions"
    // annotation user: and whether or not it was the requested type of
    // annotation user: event as "data"
    // annotation user_end: <NULL>
    //
    // decorator Annotate	pos=(567,402) size=348x44 style(Label), value = <NULL>
    // annotation user_begin: 72
    // annotation user: Use Include to save only events which match the
    // annotation user: criteria set by the user
    // annotation user_end: <NULL>
    //
    // decorator Annotate	pos=(341,473) size=298x60 style(Label), value = <NULL>
    // annotation user_begin: 114
    // annotation user: Use Inquire to figure out if there were any
    // annotation user: events of the requested type (is the
    // annotation user: field after Include empty or not)
    // annotation user_end: <NULL>
    //
    // decorator Annotate	pos=(720,506) size=285x28 style(Label), value = <NULL>
    // annotation user_begin: 42
    // annotation user: Extract just the x,y position of the event
    // annotation user_end: <NULL>
    //
    // decorator Annotate	pos=(486,641) size=216x44 style(Label), value = <NULL>
    // annotation user_begin: 63
    // annotation user: If  an   event of  the requested
    // annotation user: type occurred, output the x,y.
    // annotation user_end: <NULL>
    //
    // decorator Annotate	pos=(14,630) size=280x60 style(Label), value = <NULL>
    // annotation user_begin: 103
    // annotation user: output whether or  not an  event of the
    // annotation user: requested type occurred. If no event at
    // annotation user: all occurred, output 0.
    // annotation user_end: <NULL>
// network: end of macro body
}
GetEvents_Input_3_out_1 = NULL;
GetEvents_Compute_6_out_1 = NULL;
GetEvents_Input_1_out_1 = NULL;
GetEvents_Compute_7_out_1 = NULL;
GetEvents_Input_2_out_1 = NULL;
GetEvents_Compute_8_out_1 = NULL;
GetEvents_Compute_9_out_1 = NULL;
GetEvents_Construct_3_out_1 = NULL;
GetEvents_Include_2_out_1 = NULL;
GetEvents_Extract_2_out_1 = NULL;
GetEvents_Compute_10_out_1 = NULL;
GetEvents_Inquire_2_out_1 = NULL;
GetEvents_Inquire_3_out_1 = NULL;
GetEvents_Transmitter_9_out_1 = NULL;
GetEvents_Receiver_11_out_1 = NULL;
GetEvents_Switch_10_out_1 = NULL;
GetEvents_Switch_9_out_1 = NULL;