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Diffstat (limited to 'ipl/mprogs/alcview.icn')
| -rw-r--r-- | ipl/mprogs/alcview.icn | 258 |
1 files changed, 258 insertions, 0 deletions
diff --git a/ipl/mprogs/alcview.icn b/ipl/mprogs/alcview.icn new file mode 100644 index 0000000..85a007a --- /dev/null +++ b/ipl/mprogs/alcview.icn @@ -0,0 +1,258 @@ +########################################################################### +# +# File: alcview.icn +# +# Subject: Program to display allocation events in various ways +# +# Author: Ralph E. Griswold +# +# Date: February 16, 1998 +# +############################################################################ +# +# This file is in the public domain. +# +############################################################################ +# +# This program maps allocation events into colors and provides various +# abstract visualizations of them. +# +# Several visualizations are available: +# +# beacon blinking light +# curves random closed curves +# haystack* randomly oriented lines +# nova* radiating lines +# pinwheel revolving sequence of sectors in a circle +# polygons random polygons +# splatter* randomly placed dots +# strip scrolling strip of vertical lines +# symplat as splatter, but in symmetric pattern +# vortex* expanding/contracting square vortex +# web* random walk +# +# The visualizations marked with asterisks use the size information. The +# others do not. +# +# In terms of the monitoring framework terminology, this program +# provides abstract visualizations for in an event space consisting +# of category/size pairs -- 2CS -- in which the categories are colors. +# +# The interface controls provide for: +# +# control of the display speed +# pausing the display +# resetting the display +# setting the period between automatic resetting +# changing the view +# +############################################################################ +# +# Requires: MT Icon, event monitoring, Version 9 graphics +# +############################################################################ +# +# Links: colormap, evinit, interact, viewpack, vsetup +# +############################################################################ +# +# Includes: evdefs.icn +# +############################################################################ + +link colormap +link evinit +link interact +link viewpack +link vsetup + +$include "evdefs.icn" + +global color +global vidgets +global viewer +global root +global pane +global state +global reset # vidget for resetting callback +global snap +global name +global point +global count # drawing count +global done +global default_color # default in case of bad color specification +global draw # drawing procedure for visualization +global width +global height +global period # automatic resetting count +global refresh # resetting switch + +# Prevent linker from deleting procedures that are not explicitly referenced. +invocable "beacon" +invocable "curves" +invocable "haystack" +invocable "nova" +invocable "pinwheel" +invocable "polygons" +invocable "splatter" +invocable "strip" +invocable "symsplat" +invocable "vortex" +invocable "web" + +# Main procedure + +procedure main(args) + + init(args) + + display() + +end + +# Initialization + +procedure init(args) + + EvInit(args) | stop("*** cannot load SP.") + + vidgets := ui() + + root := vidgets["root"] + reset := vidgets["reset"] + + state := &null + + width := vidgets["pane"].uw + height := vidgets["pane"].uh + + default_color := "black" + + refresh := period := -1 + count := 0 + done := &null + + viewer := "symsplat" + + color := colormap() + + draw := proc(viewer) | stop("*** internal inconsistency") + + pane := Clone("dx=" || vidgets["pane"].ux, "dy=" || vidgets["pane"].uy, + "bg=" || default_color) + Clip(pane, 0, 0, width, height) + + reset_cb() + +end + +# Display driver + +procedure display() + + repeat { + if period = 0 then reset_cb() + while (*Pending() > 0) | \state do + ProcessEvent(root, , shortcuts) + EvGet(AllocMask) | exit() + draw(pane, color[&eventcode], &eventvalue) + period -:= 1 + } + +end + +# Callbacks + +procedure quit_cb() + + exit() + +end + +procedure snapshot_cb() + + snapshot(pane, 0, 0, width, height) + + return + +end + +procedure period_cb() + + repeat { + if TextDialog("Reset period (negative value disables _ + automatic resetting:", , refresh, 6) == "Cancel" then fail + if refresh := period := integer(dialog_value[1]) then return + else { + Notice("Invalid period specification.") + next + } + } + +end + +procedure reset_cb() + + EraseArea(pane, 0, 0, width, height) + + period := refresh + + return + +end + +procedure view_cb() + static views + + initial { + views := [ + "beacon", + "curves", + "haystack", + "nova", + "pinwheel", + "polygons", + "splatter", + "strip", + "symsplat", + "vortex", + "web" + ] + } + + if SelectDialog("Select viewer:", views, viewer) == "Cancel" then fail + viewer := dialog_value + draw := proc(viewer) | + return FailNotice("Internal inconsistency; viewer not found.") + reset_cb() + + return + +end + +procedure shortcuts(e) + + if &meta then + case map(e) of { + "q": exit() + "r": reset_cb() + } + +end + +#===<<vib:begin>>=== modify using vib; do not remove this marker line +procedure ui_atts() + return ["size=311,210", "bg=pale gray"] +end + +procedure ui(win, cbk) +return vsetup(win, cbk, + [":Sizer:::0,0,311,210:",], + ["period:Button:regular::11,96,91,20:reset period",period_cb], + ["quit:Button:regular::34,19,42,20:quit",quit_cb], + ["reset:Button:regular::34,55,42,20:reset",reset_cb], + ["view:Button:regular::15,133,84,20:select view",view_cb], + ["pane:Rect:grooved::113,9,190,190:",], + ) +end +#===<<vib:end>>=== end of section maintained by vib |