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Mouse selection

This commit is contained in:
neauoire 2021-03-10 09:29:08 -08:00
parent f46d4a54a4
commit 35278329d4
1 changed files with 85 additions and 42 deletions
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123
projects/software/left.usm
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@ -8,12 +8,12 @@
- Page up/down move with ctrl+arrow
- Double-click select word
- Right-click find next instance of selection
- Mouse down selection
- Copy/Cut/Paste
- x scroll
- Don't scroll past oef
- Don't draw past eof
- Draw tab characters
- Blink cursor
)
&Console { pad 8 stdio 1 }
@ -30,8 +30,11 @@
&Point2d { x 2 y 2 }
&Label2d { x 2 y 2 color 1 addr 2 }
&Textarea2d { x1 2 y1 2 x2 2 y2 2 addr 2 cursor 1 }
&Touch2d { x1 2 y1 2 x2 2 y2 2 state 1 }
;ctrl_lock 1
;touch Touch2d
;lock 1
;selection Range2d
;pt Point2d ;mouse Point2d ;position Point2d ;scroll Point2d
;textarea Textarea2d
@ -56,25 +59,30 @@ BRK
( ctrl )
,ctrl-end ~dev/ctrl #00 EQU ~ctrl_lock #00 NEQ #0000 NEQ2 JMP? POP2
,ctrl-end ~dev/ctrl #00 EQU ~lock #00 NEQ #0000 NEQ2 JMP? POP2
( lock ) #04 =ctrl_lock
( lock ) #04 =lock
,no-ctrl-up ~dev/ctrl #10 NEQ JMP? POP2
,find-wordstart JSR DUP2 =selection.from #0001 ADD2 =selection.to
,redraw JSR ,ctrl-end JMP
( clamp ) ,no-ctrl-up ~position.y #0000 EQU2 JMP? POP2
,find-lineoffset JSR =position.x
~position.y #0001 SUB2 =position.y
,find-selection JSR DUP2 =selection.from #0001 ADD2 =selection.to
,clamp-selection JSR ,redraw JSR ,ctrl-end JMP
@no-ctrl-up
,no-ctrl-down ~dev/ctrl #20 NEQ JMP? POP2
,find-wordend JSR DUP2 =selection.from #0001 ADD2 =selection.to
,redraw JSR ,ctrl-end JMP
,find-lineoffset JSR =position.x ~position.y #0001 ADD2 =position.y
,find-selection JSR DUP2 =selection.from #0001 ADD2 =selection.to
,clamp-selection JSR ,redraw JSR ,ctrl-end JMP
@no-ctrl-down
,no-ctrl-left ~dev/ctrl #40 NEQ JMP? POP2
( clamp ) ,no-ctrl-left ~selection.from ,document.body EQU2 JMP? POP2
~selection.from #0001 SUB2 DUP2 =selection.from #0001 ADD2 =selection.to
,redraw JSR ,ctrl-end JMP
,clamp-selection JSR ,redraw JSR ,ctrl-end JMP
@no-ctrl-left
,no-ctrl-right ~dev/ctrl #80 NEQ JMP? POP2
~selection.from #0001 ADD2 DUP2 =selection.from #0001 ADD2 =selection.to
,redraw JSR ,ctrl-end JMP
,clamp-selection JSR ,redraw JSR ,ctrl-end JMP
@no-ctrl-right
( alt )
,no-alt ~dev/ctrl #0f AND #02 NEQ JMP? POP2
@ -143,45 +151,67 @@ BRK
( mouse )
,click-end ~dev/mouse.state #00 EQU JMP? POP2
,touch-end ~dev/mouse.state #00 EQU JMP? POP2
( scrollbar )
,no-click-scroll ~dev/mouse.x ~dev/screen.width #0008 SUB2 LTH2 JMP? POP2
,no-click-scroll-up ~dev/mouse.y #0008 GTH2 JMP? POP2
( decr ) ~scroll.y #00 ~scroll.y #0000 NEQ2 SUB2 =scroll.y
,redraw JSR ,click-end JMP
@no-click-scroll-up
,no-click-scroll-down ~dev/mouse.y ~dev/screen.height #0008 SUB2 LTH2 JMP? POP2
( incr ) ~scroll.y #0001 ADD2 =scroll.y
,redraw JSR ,click-end JMP
@no-click-scroll-down
( on scrollbar )
~dev/mouse.y #0008 SUB2 =scroll.y
,redraw JSR ,click-end JMP
@no-click-scroll
,touch-linebar ~dev/mouse.x #0010 LTH2 JMP? POP2
,touch-body ~dev/mouse.x ~dev/screen.width #0008 SUB2 LTH2 JMP? POP2
,touch-scrollbar JMP
( line number )
,no-click-line ~dev/mouse.x #0010 GTH2 JMP? POP2
~dev/mouse.y #0008 DIV2 ~scroll.y ADD2 =position.y #0000 =position.x
,find-selection JSR DUP2 =selection.from #0001 ADD2 =selection.to
,redraw JSR ,click-end JMP
@no-click-line
@touch-end
( select body )
~dev/mouse.y #0008 DIV2 ~scroll.y ADD2 =position.y
~dev/mouse.x ~textarea.x1 SUB2 #0007 ADD2 #0007 DIV2 =position.x
~dev/mouse.state =touch.state
,find-selection JSR DUP2 =selection.from #0001 ADD2 =selection.to
,redraw JSR
@click-end
( unlock ) ,skip-unlock ~ctrl_lock #00 EQU JMP? POP2 ~ctrl_lock #01 SUB =ctrl_lock @skip-unlock
( unlock ) ,skip-unlock ~lock #00 EQU JMP? POP2 ~lock #01 SUB =lock @skip-unlock
,draw-cursor JSR
BRK
@touch-scrollbar
,no-click-scroll-up ~dev/mouse.y #0008 GTH2 JMP? POP2
( decr ) ~scroll.y #00 ~scroll.y #0000 NEQ2 SUB2 =scroll.y
,redraw JSR ,touch-end JMP
@no-click-scroll-up
,no-click-scroll-down ~dev/mouse.y ~dev/screen.height #0008 SUB2 LTH2 JMP? POP2
( incr ) ~scroll.y #0001 ADD2 =scroll.y
,redraw JSR ,touch-end JMP
@no-click-scroll-down
~dev/mouse.y #0008 SUB2 =scroll.y
,redraw JSR
,touch-end JMP
RTS
@touch-linebar
~dev/mouse.y #0008 DIV2 ~scroll.y ADD2 =position.y #0000 =position.x
,find-selection JSR DUP2 =selection.from #0001 ADD2 =selection.to
,redraw JSR
,touch-end JMP
RTS
@touch-body
~dev/mouse.y #0008 DIV2 ~scroll.y ADD2 =position.y
~dev/mouse.x ~textarea.x1 SUB2 #0007 ADD2 #0007 DIV2 =position.x
,touch-when ~dev/mouse.state ~touch.state NEQ JMP? POP2
( on drag )
,find-selection JSR =selection.to
,clamp-selection JSR
,redraw JSR
,touch-end JMP
@touch-when
( on click )
,find-selection JSR DUP2 =selection.from #0001 ADD2 =selection.to
,redraw JSR
,touch-end JMP
RTS
@load-file ( path )
=dev/file.name #8000 =dev/file.length ,document.body =dev/file.load
@ -255,6 +285,19 @@ RTS
RTS
@find-lineoffset ( return character offset from linestart )
#0000 =j
@find-lineoffset-loop
( incr ) ~j #0001 ADD2 =j
,find-lineoffset-end ~selection.from ~j SUB2 LDR #0a EQU JMP? POP2
,find-lineoffset-end ~selection.from ~j SUB2 LDR #0d EQU JMP? POP2
,find-lineoffset-loop ~selection.from ~j SUB2 ,document.body GTH2 JMP? POP2
@find-lineoffset-end
( return ) ~j
RTS
@find-line ( position -> addr )
,document.body =j #0000 =pt.y