works again

[chiark-tcl-applet.git] / example

diff --git a/example b/example
index 457d75d3aeb8fbc30eae101a44597ba446d588fb..3b45d0bd19e76c23033e9ccb4fa7a89f1258f95d 100755 (executable)
--- a/example
+++ b/example
@@ -1,108 +1,88 @@
-#!/usr/bin/wish8.4
+#!/usr/bin/wish8.4 -f
+# -*- Tcl -*-
 
-#----- general machinery -----
+source applet.tcl
 
-package require tktray
-
-wm withdraw .
-
-tktray::icon .i -class example
-.i configure -docked 1
-
-set posted 0
+#----- specifics -----
 
-foreach b {1 3} {
-    menu .m$b -tearoff 0
-}
+.m1 add command -command { msel; puts hi } -label hi
+.m3 add command -command { msel; puts boo } -label boo
 
-proc pressed {b x y} {
-    global posted
-    tooltip_cancel
-    if {$posted == $b} {
-       puts "unpost $posted toggle"
-       .m$posted unpost
-       set posted 0
-    } elseif {[winfo exists .m$b]} {
-       if {$posted} {
-           .m$posted unpost
-           puts "unpost $posted other"
-       }
-       puts "post $b"
-       set posted $b
-       .m$b post $x $y
-    }
-}
+image create bitmap ims -file gs_s.xbm   
+#image create bitmap ims -file /usr/share/ghostscript/8.71/lib/gs_s.xbm   
+#setimage ims
+#setimage ims
 
-proc msel {} {
-    global posted
-    set posted 0
-}
+setuptooltip
+settooltip "line\nanother"
 
-bind .i <ButtonPress> { pressed %b %X %Y }
+fconfigure stdout -buffering line
 
-proc tooltip_starttimer {state x y} {
-    global tooltip_after posted tooltip_inwindow
-    if {$state || $posted || !$tooltip_inwindow} { tooltip_cancel; return }
-    catch { after cancel $tooltip_after }
-    set tooltip_after [after 500 tooltip_show $x $y]
-}
+set status none
 
-proc tooltip_cancel {} {
-    global tooltip_after
-    catch { after cancel $tooltip_after }
-    catch { unset $tooltip_after }
-    wm withdraw .tt
+proc innerwindow-destroying {} {
+    global status
+    puts "DESTROYING $status"
+    switch -exact $status {
+       none { }
+       old { }
+       default { kill $status; set status old }
+    }
 }
 
-set tooltip_inwindow 0
-
-proc tooltip_enter {state x y} {
-    global tooltip_inwindow
-    set tooltip_inwindow 1
-    tooltip_starttimer $state $x $y
+proc innerwindow-ready {} {
+    global status
+    puts "READY $status"
+    switch -exact $status {
+       none {
+           run-child
+       }
+       old {
+           # wait for it to die
+       }
+       default {
+           error "unexpected state $status"
+       }
+    }
+    puts "READY-done $status"
 }
 
-proc tooltip_leave {} {
-    global tooltip_inwindow
-    set tooltip_inwindow 0
-    tooltip_cancel
-}
+set ratelimit 0
 
-proc setuptooltip {} {
-    bind .i <Enter> { tooltip_enter %s %X %Y }
-    bind .i <Leave> { tooltip_leave }
-    bind .i <ButtonRelease> { tooltip_cancel; tooltip_starttimer %s %X %Y }
-    bind .i <Motion> { tooltip_starttimer %s %X %Y }
-    toplevel .tt -background black
-    wm withdraw .tt
-    wm overrideredirect .tt 1
-    label .tt.t -justify left -background {#EEE1B3}
-    pack .tt.t -padx 1 -pady 1
-    settooltip {}
-}
+proc run-child {} {
+    global status ratelimit
 
-proc settooltip {s} {
-    .tt.t configure -text $s
-}
+    puts "RUN-CHILD $status"
+    set now [clock seconds]
+    lappend ratelimit $now
+    while {[lindex $ratelimit 0] < {$now - 10}} {
+       set ratelimit [lrange $ratelimit 1 end]
+    }
+    if {[llength $ratelimit] > 10} {
+       puts stderr "crashing repeatedly, quitting $ratelimit"
+       exit 127
+    }
 
-proc tooltip_show {x y} {
-    incr x 9
-    incr y 9
-    wm geometry .tt +$x+$y
-    wm deiconify .tt
+    set status none
+    set status [fork-then child-died {
+       execl xacpi-simple [list -into [winfo id .i.i.b.c]]
+    }]
+    puts "FORKED $status"
 }
 
-proc setimage {image} {
-    .i configure -image $image
+proc child-died {how how2} {
+    puts "DIED $how $how2"
+    global status
+    switch -exact $status {
+       old {
+           set status none
+           run-child
+       }
+       default {
+           set status none
+           innerwindow-resetup-required "child died"
+       }
+    }
 }
 
-#----- specifics -----
-
-.m1 add command -command { msel; puts hi } -label hi
-.m3 add command -command { msel; puts boo } -label boo
-
-image create bitmap ims -file /usr/share/ghostscript/8.71/lib/gs_s.xbm   
-setimage ims
-
-setuptooltip
-settooltip "line\nanother"
+setupinnerwindow 40