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|
open Widget
(* Events and bindings *)
(* Builtin types *)
(* type *)
type event = [
| `ButtonPress (* also Button, but we omit it *)
| `ButtonPressDetail of int
| `ButtonRelease
| `ButtonReleaseDetail of int
| `Circulate
| `Colormap
| `Configure
| `Destroy
| `Enter
| `Expose
| `FocusIn
| `FocusOut
| `Gravity
| `KeyPress (* also Key, but we omit it *)
| `KeyPressDetail of string (* /usr/include/X11/keysymdef.h *)
| `KeyRelease
| `KeyReleaseDetail of string
| `Leave
| `Map
| `Motion
| `Property
| `Reparent
| `Unmap
| `Visibility
| `Modified of modifier list * event
]
and modifier = [
| `Control
| `Shift
| `Lock
| `Button1
| `Button2
| `Button3
| `Button4
| `Button5
| `Double
| `Triple
| `Mod1
| `Mod2
| `Mod3
| `Mod4
| `Mod5
| `Meta
| `Alt
]
(* /type *)
(* Event structure, passed to bounded functions *)
(* type *)
type eventInfo =
{
mutable ev_Above : int; (* tk: %a *)
mutable ev_ButtonNumber : int; (* tk: %b *)
mutable ev_Count : int; (* tk: %c *)
mutable ev_Detail : string; (* tk: %d *)
mutable ev_Focus : bool; (* tk: %f *)
mutable ev_Height : int; (* tk: %h *)
mutable ev_KeyCode : int; (* tk: %k *)
mutable ev_Mode : string; (* tk: %m *)
mutable ev_OverrideRedirect : bool; (* tk: %o *)
mutable ev_Place : string; (* tk: %p *)
mutable ev_State : string; (* tk: %s *)
mutable ev_Time : int; (* tk: %t *)
mutable ev_Width : int; (* tk: %w *)
mutable ev_MouseX : int; (* tk: %x *)
mutable ev_MouseY : int; (* tk: %y *)
mutable ev_Char : string; (* tk: %A *)
mutable ev_BorderWidth : int; (* tk: %B *)
mutable ev_SendEvent : bool; (* tk: %E *)
mutable ev_KeySymString : string; (* tk: %K *)
mutable ev_KeySymInt : int; (* tk: %N *)
mutable ev_RootWindow : int; (* tk: %R *)
mutable ev_SubWindow : int; (* tk: %S *)
mutable ev_Type : int; (* tk: %T *)
mutable ev_Widget : any widget; (* tk: %W *)
mutable ev_RootX : int; (* tk: %X *)
mutable ev_RootY : int (* tk: %Y *)
}
(* /type *)
(* To avoid collision with other constructors (Width, State),
use Ev_ prefix *)
(* type *)
type eventField = [
| `Above
| `ButtonNumber
| `Count
| `Detail
| `Focus
| `Height
| `KeyCode
| `Mode
| `OverrideRedirect
| `Place
| `State
| `Time
| `Width
| `MouseX
| `MouseY
| `Char
| `BorderWidth
| `SendEvent
| `KeySymString
| `KeySymInt
| `RootWindow
| `SubWindow
| `Type
| `Widget
| `RootX
| `RootY
]
(* /type *)
let filleventInfo ev v : eventField -> unit = function
| `Above -> ev.ev_Above <- int_of_string v
| `ButtonNumber -> ev.ev_ButtonNumber <- int_of_string v
| `Count -> ev.ev_Count <- int_of_string v
| `Detail -> ev.ev_Detail <- v
| `Focus -> ev.ev_Focus <- v = "1"
| `Height -> ev.ev_Height <- int_of_string v
| `KeyCode -> ev.ev_KeyCode <- int_of_string v
| `Mode -> ev.ev_Mode <- v
| `OverrideRedirect -> ev.ev_OverrideRedirect <- v = "1"
| `Place -> ev.ev_Place <- v
| `State -> ev.ev_State <- v
| `Time -> ev.ev_Time <- int_of_string v
| `Width -> ev.ev_Width <- int_of_string v
| `MouseX -> ev.ev_MouseX <- int_of_string v
| `MouseY -> ev.ev_MouseY <- int_of_string v
| `Char -> ev.ev_Char <- v
| `BorderWidth -> ev.ev_BorderWidth <- int_of_string v
| `SendEvent -> ev.ev_SendEvent <- v = "1"
| `KeySymString -> ev.ev_KeySymString <- v
| `KeySymInt -> ev.ev_KeySymInt <- int_of_string v
| `RootWindow -> ev.ev_RootWindow <- int_of_string v
| `SubWindow -> ev.ev_SubWindow <- int_of_string v
| `Type -> ev.ev_Type <- int_of_string v
| `Widget -> ev.ev_Widget <- cTKtoCAMLwidget v
| `RootX -> ev.ev_RootX <- int_of_string v
| `RootY -> ev.ev_RootY <- int_of_string v
let wrapeventInfo f (what : eventField list) =
let ev = {
ev_Above = 0;
ev_ButtonNumber = 0;
ev_Count = 0;
ev_Detail = "";
ev_Focus = false;
ev_Height = 0;
ev_KeyCode = 0;
ev_Mode = "";
ev_OverrideRedirect = false;
ev_Place = "";
ev_State = "";
ev_Time = 0;
ev_Width = 0;
ev_MouseX = 0;
ev_MouseY = 0;
ev_Char = "";
ev_BorderWidth = 0;
ev_SendEvent = false;
ev_KeySymString = "";
ev_KeySymInt = 0;
ev_RootWindow = 0;
ev_SubWindow = 0;
ev_Type = 0;
ev_Widget = forget_type default_toplevel;
ev_RootX = 0;
ev_RootY = 0 } in
function args ->
let l = ref args in
List.iter what ~f:
begin fun field ->
match !l with
| [] -> ()
| v :: rest -> filleventInfo ev v field; l := rest
end;
f ev
let rec writeeventField : eventField list -> string = function
| [] -> ""
| field :: rest ->
begin
match field with
| `Above -> " %a"
| `ButtonNumber ->" %b"
| `Count -> " %c"
| `Detail -> " %d"
| `Focus -> " %f"
| `Height -> " %h"
| `KeyCode -> " %k"
| `Mode -> " %m"
| `OverrideRedirect -> " %o"
| `Place -> " %p"
| `State -> " %s"
| `Time -> " %t"
| `Width -> " %w"
| `MouseX -> " %x"
| `MouseY -> " %y"
(* Quoting is done by Tk *)
| `Char -> " %A"
| `BorderWidth -> " %B"
| `SendEvent -> " %E"
| `KeySymString -> " %K"
| `KeySymInt -> " %N"
| `RootWindow ->" %R"
| `SubWindow -> " %S"
| `Type -> " %T"
| `Widget -> " %W"
| `RootX -> " %X"
| `RootY -> " %Y"
end
^ writeeventField rest
|
