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Update Viewport.v2.ahk
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Fixed error in region logic.  
Overhauled code, reducing lines and increasing performance.
Edited names and layout to make code more clear from a reading perspective.
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@GroggyOtter
GroggyOtter authored Jun 8, 2023
1 parent fabff49 commit b120cf2
Showing 1 changed file with 95 additions and 86 deletions.
181 changes: 95 additions & 86 deletions src/Viewport.v2.ahk
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Original file line number Diff line number Diff line change
@@ -1,101 +1,108 @@
; Created by The GroggyOtter
class Viewport {
#Requires AutoHotkey 2.0+
static keys := {activate : 'F1' ; Enable/disable viewporting
,make_move : '+LButton' ; Make new/move existing viewport
,toggle : '+MButton' ; Toggle viewport overlay
,resize : '+RButton' ; Adjust width/length
,alpha_dec : '+WheelDown' ; Make viewport black more opaque
,alpha_inc : '+WheelUp' } ; Make viewport black more transparent
static keys := {activate : '+F1' ; Enable/disable viewporting
,make_move : '+LButton' ; Make new/move existing viewport
,toggle : '+MButton' ; Toggle viewport overlay
,resize : '+RButton' ; Adjust width/length
,alpha_dec : '+WheelDown' ; Make viewport black more opaque
,alpha_inc : '+WheelUp' } ; Make viewport black more transparent

static alpha := 230 ; Default alpha value (0-255)
, alpha_inc := 8 ; Alpha adjustment amount
static alpha := 240 ; Default alpha value (0-255)
, alpha_inc := 8 ; Alpha adjustment amount
;============================================
static version := 1.1
static hk_mod := '#!^+<>*~$'

static __New() {
vpo := viewport()
,keys := this.keys
,hk_mod := '#!^+<>*~$'
Hotkey(keys.activate, (*) => vpo.toggle())
Hotkey(this.keys.activate, (*) => vpo.toggle())
HotIf((*) => vpo.active)
obm := ObjBindMethod(vpo, "start_viewport", LTrim(keys.make_move, hk_mod))
Hotkey(keys.make_move, obm)
Hotkey(keys.toggle, (*) => vpo.toggle_gui())
obm := ObjBindMethod(vpo, "resize_pre", LTrim(keys.resize, hk_mod))
Hotkey(keys.resize, obm)
Hotkey(keys.alpha_inc, (*) => vpo.alpha_adj(Viewport.alpha_inc))
Hotkey(keys.alpha_dec, (*) => vpo.alpha_adj(Viewport.alpha_inc * -1))
Hotkey(this.keys.make_move, ObjBindMethod(vpo, "start_viewport", this.strip_mod(this.keys.make_move)))
Hotkey(this.keys.toggle, (*) => vpo.toggle_gui())
Hotkey(this.keys.resize, ObjBindMethod(vpo, "resize_anchor", this.strip_mod(this.keys.resize)))
Hotkey(this.keys.alpha_inc, (*) => vpo.alpha_adj(Viewport.alpha_inc))
Hotkey(this.keys.alpha_dec, (*) => vpo.alpha_adj(Viewport.alpha_inc * -1))
HotIf()
}

static strip_mod(hk) {
loop (StrLen(hk) - 1)
if InStr(this.hk_mod, SubStr(hk, 1, 1))
hk := SubStr(hk, 2)
else Break
return hk
}

; Instance initialize
active := 1, x1 := 0, y1 := 0, x2 := 0, y2 := 0, gui := Gui(), reg1 := ''
gui_id => 'ahk_id' this.gui.hwnd
active := 1, gui := Gui(), x1 := 0, y1 := 0, x2 := 0, y2 := 0, last_x := 0, last_y := 0

__New() => (CoordMode('Mouse', 'Client')
,this.alpha := Viewport.alpha
,this.mouse := Viewport.mouse()
,this.make_black_overlay() )

alpha {
get => this._alpha
set => this._alpha := value < 0 ? 0 : value > 255 ? 255 : value
set => this._alpha := (value < 0) ? 0 : (value > 255) ? 255 : value
}

__New() => (this.alpha := Viewport.alpha, this.make_black_overlay())

gui_id => 'ahk_id' this.gui.hwnd
region(x1,y1,x2,y2) => x1 '-' y1 ' ' x2 '-' y1 ' ' x2 '-' y2 ' ' x1 '-' y2 ' ' x1 '-' y1
toggle(*) => (this.active := !this.active) ? 1 : this.gui.Hide()
toggle_gui(*) => WinExist(this.gui.ahk) ? this.gui.Hide() : this.gui.Show()
update_trans() => WinSetTransparent(this.alpha, this.gui)
show() => (this.gui.Show('x' this.gui.x ' y' this.gui.y ' w' this.gui.w ' h' this.gui.h)
,WinWaitActive(this.gui.ahk) )
alpha_adj(n) => (this.alpha += n
,this.update_trans()
,this.notify('Alpha: ' this.alpha) )
notify(msg) => (ToolTip(msg)
,SetTimer((*)=>ToolTip(), -850) )
check_again(hk, m) => GetKeyState(hk, 'P') ? SetTimer(ObjBindMethod(this, m, hk), -1) : 0

start_viewport(hk, *) {
if this.cursor_in_viewport()
WinActivate(this.gui_id)
,this.cursor_update()
,this.move_viewport(hk, this.cx, this.cy)
this.last_x := this.mouse.x
,this.last_y := this.mouse.y
,this.move_viewport(hk)
else
this.update_trans()
,this.show()
,this.cursor_update()
,this.x1 := this.x2 := this.cx
,this.y1 := this.y2 := this.cy
,this.make_viewport(hk)
}

make_viewport(hk) {
this.cursor_update()
if GetKeyState(hk, 'P')
this.update_viewport(this.x1, this.y1, this.cx, this.cy)
,obm := ObjBindMethod(this, "make_viewport", hk)
,SetTimer(obm, -1)
else this.x2 := this.cx, this.y2 := this.cy
this.coord_update()
,this.x1 := this.mouse.x
,this.y1 := this.mouse.y
,this.update_viewport(hk)
}

move_viewport(hk, x1, y1) {
this.cursor_update()
,xdiff := this.cx - x1, ydiff := this.cy - y1
if GetKeyState(hk, 'P')
this.update_viewport(this.x1 + xdiff, this.y1 + ydiff, this.x2 + xdiff, this.y2 + ydiff)
,obm := ObjBindMethod(this, "move_viewport", hk, x1, y1)
,SetTimer(obm, -1)
else this.x1 += xdiff, this.x2 += xdiff, this.y1 += ydiff, this.y2 += ydiff
this.coord_update()
update_viewport(hk) {
this.x2 := this.mouse.x
,this.y2 := this.mouse.y
,this.update_region()
,this.check_again(hk, 'update_viewport')
}

resize_viewport(hk, x1, y1) {
this.cursor_update()
,xdiff := x1 - this.cx, ydiff := y1 - this.cy
if GetKeyState(hk, 'P')
this.update_viewport(this.x1 + xdiff, this.y1 - ydiff, this.x2 - xdiff, this.y2 + ydiff)
,obm := ObjBindMethod(this, "resize_viewport", hk, x1, y1)
,SetTimer(obm, -1)
else this.x1 += xdiff, this.x2 -= xdiff, this.y1 -= ydiff, this.y2 += ydiff
this.coord_update()

move_viewport(hk) {
xd := (x := this.mouse.x) - this.last_x
,yd := (y := this.mouse.y) - this.last_y
,this.x1 += xd, this.x2 += xd, this.y1 += yd, this.y2 += yd
,this.last_x := x, this.last_y := y
,this.update_region()
,this.check_again(hk, 'move_viewport')
}

coord_update() {
(this.x2 < this.x1) ? (tmp := this.x2, this.x2 := this.x1, this.x1 := tmp) : 0
,(this.y2 < this.y1) ? (tmp := this.y2, this.y2 := this.y1, this.y1 := tmp) : 0
resize_anchor(hk, *) {
this.last_x := this.mouse.x
,this.last_y := this.mouse.y
,this.resize_viewport(hk)
}

cursor_update() {
CoordMode('Mouse', 'Client')
,MouseGetPos(&x, &y)
,this.cx := x, this.cy := y
,CoordMode('Mouse', 'Screen')
,MouseGetPos(&x, &y)
,this.sx := x, this.sy := y
resize_viewport(hk, *) {
xdiff := this.last_x - (x := this.mouse.x)
,ydiff := this.last_y - (y := this.mouse.y)
,this.x1 += xdiff, this.x2 -= xdiff, this.y1 += ydiff, this.y2 -= ydiff
,this.last_x := x, this.last_y := y
,this.update_region()
,this.check_again(hk, 'resize_viewport')
}

make_black_overlay() {
Expand All @@ -106,25 +113,27 @@ class Viewport {
,my < y ? y := my : 0
,mr > r ? r := mr : 0
,mb > b ? b := mb : 0
w := Abs(x) + Abs(r), h := Abs(y) + Abs(b)
,this.gui := goo := Gui('+AlwaysOnTop -Caption -DPIScale')
,goo.x := x, goo.y := y, goo.w := w, goo.h := h
this.gui := goo := Gui('+AlwaysOnTop -Caption -DPIScale')
,goo.BackColor := 0x000000
,goo.region := this.region(x, y, x + w, y + h)
,goo.ahk := 'ahk_id ' goo.hwnd
,goo.x := x, goo.y := y, goo.w := Abs(x) + Abs(r), goo.h := Abs(y) + Abs(b)
,goo.region := this.region(0, 0, goo.w, goo.h)
}

cursor_in_viewport() {
MouseGetPos(&x, &y, &w)
return !WinExist(this.gui_id) ? 0 : (w = this.gui.hwnd) ? 0 : 1
}
cursor_in_viewport() => !WinExist(this.gui.ahk) ? 0 : (this.mouse.win = this.gui.hwnd) ? 0 : 1

update_viewport(x1, y1, x2, y2) => WinActive(this.gui_id) ? WinSetRegion(this.gui.region ' ' this.region(x1, y1, x2, y2), this.gui_id) : 0
region(x1,y1,x2,y2) => x1 '-' y1 ' ' x2 '-' y1 ' ' x2 '-' y2 ' ' x1 '-' y2 ' ' x1 '-' y1
toggle(*) => (this.active := !this.active, this.active ? 1 : this.gui.Hide())
toggle_gui(*) => (WinExist(this.gui_id) ? this.gui.Hide() : this.gui.Show())
resize_pre(hk, *) => (this.cursor_update(), this.resize_viewport(hk, this.cx, this.cy))
update_trans() => WinSetTransparent(this.alpha, this.gui)
show() => this.gui.Show('x' this.gui.x ' y' this.gui.y ' w' this.gui.w ' h' this.gui.h)
alpha_adj(n:=0) => (this.alpha += n, this.update_trans(), this.notify('Alpha: ' this.alpha))
notify(msg) => (ToolTip(msg), SetTimer((*)=>ToolTip(), -1000))
update_region() => WinExist(this.gui.ahk)
? WinSetRegion(this.gui.region ' ' this.region(this.x1, this.y1, this.x2, this.y2), this.gui.ahk) : 0

class mouse {
x => this.get('x')
y => this.get('y')
win => this.get('w')

get(id) {
(A_CoordModeMouse = 'Client' ? 0 : CoordMode('Mouse', 'Client'))
,MouseGetPos(&x, &y, &w)
return %id%
}
}
}

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