1 line
12 KiB
ArmAsm
1 line
12 KiB
ArmAsm
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load 'macros.dump'
include 'driver.equ'
include 'pl.equ'
;-----------------------------------------------
;
; Imported addresses
;
;-----------------------------------------------
IMPORT D_BitMapChanged
IMPORT D_BitMapPtr
IMPORT D_ClearBitMap
IMPORT D_Deref
IMPORT P_AddThreadRgn
IMPORT P_CheckHand
IMPORT P_ContentRect
IMPORT P_CurrentWin
IMPORT P_DoThread
IMPORT P_DrawContent
IMPORT P_DrawHandles
IMPORT P_ErrorAlert
IMPORT P_FixMenus
IMPORT P_FixSpecRect
IMPORT P_HideTabs
IMPORT P_KillUndo
IMPORT P_Page
IMPORT P_PageMode
IMPORT P_Placing
IMPORT P_ThreadDir
IMPORT P_ThreadHdl
IMPORT D_RectZap
IMPORT T_BlinkCaret
IMPORT T_Click
IMPORT T_GetParPtr
IMPORT T_InvSelect
IMPORT T_NewParHdl
IMPORT T_OffThread
IMPORT T_PadThread
IMPORT T_Pt2Offset
IMPORT T_RecutParag
;-----------------------------------------------
;
; Forward addresses and entries
;
;-----------------------------------------------
ENTRY T_CInterval
ENTRY T_CaretDrawn
ENTRY T_CaretTime
ENTRY T_ClickCount
ENTRY T_ClipThread
ENTRY T_CurParHdl
ENTRY T_Editing
ENTRY T_FontFlags
ENTRY T_ReThread
ENTRY T_Refresh
ENTRY T_RulDrawn
ENTRY T_TextSelect
ENTRY T_ThreadRgn
;-----------------------------------------------------------------------------
;
; T_New (ObjHdl:l,ParagHdl:l)
;
; Returns any errors. ObjHdl should be X_Locked when T_New is called.
T_New PROC EXPORT
;Using P_Data
;Using P_ObjData
;Using T_Data
;Using T_TextEqu
input ObjHdl:l,ParagHdl:l
local ObjPtr:l,ParagPtr:l,PThread:l,ReThreadHdl:l,TempPtr:l
error Err
begin
stz Err
movelong [ObjHdl],ObjPtr
call P_FixSpecRect,in=(ObjPtr:l)
; Make a D_New parag array if neccessary
cpzl ParagHdl
bne ThreadExists
call T_NewParHdl,out=(ParagHdl:l),err=(Err)
jcs Exit
ThreadExists movelong ParagHdl,[ObjPtr]:#P_ParagHdl
moveword P_Page,[ObjPtr]:#P_PageNo
moveword #0,[ObjPtr]:#P_NThread
moveword a,[ObjPtr]:#P_NThread+2
moveword a,[ObjPtr]:#P_PThread
moveword a,[ObjPtr]:#P_PThread+2
; Do threading
lda P_Placing
beq NoThread
cpzl P_ThreadHdl
beq NoThread
rcall D_Deref,in=(P_ThreadHdl:ax),out=(TempPtr:ax)
cmpw [TempPtr]:#P_PageNo,P_Page
bne NoHand1
call P_DrawHandles,in=(TempPtr:l)
NoHand1
call P_DoThread,in=(P_ThreadHdl:l,ObjHdl:l,P_ThreadDir:w)
cmpw [TempPtr]:#P_PageNo,P_Page
bne NoHand2
call P_DrawHandles,in=(TempPtr:l)
NoHand2
tool _HUnlock,in=(P_ThreadHdl:l)
NoThread
; Setup and rethread
movelong [ObjPtr]:#P_PThread,PThread
cpzl PThread
bne PrevExists
movelong ObjHdl,ReThreadHdl
movelong [ParagHdl],ParagPtr
movelong ObjHdl,[ParagPtr]:#T_ObjHdl
lda #0
moveword a,[ParagPtr]:#T_ParStart
moveword a,[ObjPtr]:#P_StartParag
moveword a,[ObjPtr]:#P_StartLine
lda #$FFFF
moveword a,[ObjPtr]:#P_EndParag
moveword a,[ObjPtr]:#P_EndLine
bra Done
PrevExists
movelong PThread,ReThreadHdl
Done
call T_ReThread,in=(ReThreadHdl:l)
Exit return
ENDP
;-------------------------------------------------------------------------------
;
; T_ReThread (ObjHdl:l)
;
T_ReThread PROC EXPORT
;Using P_ObjData
;Using T_Data
;Using T_TextEqu
input ObjHdl:l
local ObjPtr:l,ParagHdl:l,ParagPtr:l
local ParagNo:w,ParagCount:w,VertPos:w
error Err
begin +b
stz Err
; D_Save on stack
pushlong T_CurParHdl
movelong [ObjHdl],ObjPtr
movelong [ObjPtr]:#P_ParagHdl,ParagHdl
movelong ParagHdl,T_CurParHdl
rcall T_GetParPtr,in=(#0:a),out=(ParagPtr:ax)
moveword [ParagPtr],ParagCount
cpzl [ObjPtr]:#P_PThread
bne NotStart
lda #0
moveword a,[ObjPtr]:#P_StartParag
moveword a,[ObjPtr]:#P_StartLine
sta ParagNo
sta VertPos
bra ParagLoop
NotStart
moveword [ObjPtr]:#P_StartParag,ParagNo
bpl NotEnd
moveword ParagCount,ParagNo
NotEnd
lda ParagNo
beq NoDec
dec ParagNo
NoDec
rcall T_GetParPtr,in=(ParagNo:a),out=(ParagPtr:ax)
movelong [ParagPtr]:#T_ObjHdl,ObjHdl
moveword [ParagPtr]:#T_ParStart,VertPos
ParagLoop
in ObjHdl:l,ParagNo:w,VertPos:w
out ObjHdl:l,VertPos:w
xcall T_RecutParag
rcall T_GetParPtr,in
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