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Add user-visible grab-input and ungrab-input words to cleanly toggle grabbing on worlds

db4
Joe Groff 2009-05-11 13:18:38 -05:00
parent b070edc751
commit 87717fa78c
2 changed files with 26 additions and 0 deletions
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12
basis/ui/gadgets/worlds/worlds-docs.factor
View File

@ -13,6 +13,17 @@ HELP: origin
HELP: hand-world
{ $var-description "Global variable. The " { $link world } " containing the gadget at the mouse location." } ;
HELP: grab-input
{ $values { "gadget" gadget } }
{ $description "Sets the " { $link world } " containing " { $snippet "gadget" } " to grab mouse and keyboard input while focused." }
{ $notes "Normal mouse gestures may not be available while input is grabbed." } ;
HELP: ungrab-input
{ $values { "gadget" gadget } }
{ $description "Sets the " { $link world } " containing " { $snippet "gadget" } " not to grab mouse and keyboard input while focused." } ;
{ grab-input ungrab-input } related-words
HELP: set-title
{ $values { "string" string } { "world" world } }
{ $description "Sets the title bar of the native window containing the world." }
@ -42,6 +53,7 @@ HELP: world
{ { $snippet "focus" } " - the current owner of the keyboard focus in the world." }
{ { $snippet "focused?" } " - a boolean indicating if the native window containing the world has keyboard focus." }
{ { $snippet "fonts" } " - a hashtable used by the " { $link font-renderer } "." }
{ { $snippet "grab-input?" } " - if set to " { $link t } ", the world will hide the mouse cursor and disable normal mouse input while focused. Use " { $link grab-input } " and " { $link ungrab-input } " to change this setting." }
{ { $snippet "handle" } " - a backend-specific native handle representing the native window containing the world, or " { $link f } " if the world is not grafted." }
{ { $snippet "window-loc" } " - the on-screen location of the native window containing the world. The co-ordinate system here is backend-specific." }
}

14
basis/ui/gadgets/worlds/worlds.factor
View File

@ -31,6 +31,20 @@ TUPLE: world-attributes
: find-world ( gadget -- world/f ) [ world? ] find-parent ;
: grab-input ( gadget -- )
find-world dup grab-input?>>
[ drop ] [
t >>grab-input?
dup focused?>> [ handle>> (grab-input) ] [ drop ] if
] if ;
: ungrab-input ( gadget -- )
find-world dup grab-input?>>
[
f >>grab-input?
dup focused?>> [ handle>> (ungrab-input) ] [ drop ] if
] [ drop ] if ;
: show-status ( string/f gadget -- )
dup find-world dup [
dup status>> [