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整理编辑控件代码
This commit is contained in:
JianjunLiu 2023-03-28 12:00:28 +08:00
parent ba333fba1f
commit bcb38e3d02
1 changed files with 201 additions and 92 deletions
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235
funcext/tvclib/utslmemo.tsf
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@ -70,7 +70,6 @@ TYPE TMemoLineList=class(tnumindexarray) //
begin
if(Flock)then
begin
//echo "+++\r\n";
FEdit.UpDateScroll();
end
end
@ -652,6 +651,7 @@ type TCustomMemo = class(TCustomScrollControl,TCustomMemoCmd) //
FIsCaretShow; //光标可见
fcaretcreated; //光标已经构造成功
fForceCaret;
fcaretcout; //列选择时候的caret count
FCharsInWindow; //
fTextHeight; //行高
fLinesInWindow; //能显示的行数
@ -839,7 +839,7 @@ type TCustomMemo = class(TCustomScrollControl,TCustomMemoCmd) //
r[1]:= RC[1]+fTextHeight * iy;
iy++;
r[3]:= r[1]+fTextHeight;
if i+1=fCaretY then
if i+1=fCaretY then //当前行
begin
if Color<>fcurrentLineColor then
begin
@ -856,6 +856,19 @@ type TCustomMemo = class(TCustomScrollControl,TCustomMemoCmd) //
if FSelectionMode=smLine then
begin
end else
if FSelectionMode=smColumn then
begin
a1 := min(bb[1],ee[1]);
a2 := max(bb[1],ee[1]);
if a1=e2 then
begin
src := array(0,0,0,0);
end else
begin
src[0]+= fCharWidth *(a1-1);
src[2]:= src[0]+fCharWidth *(a2-a1);
end
end else
begin
if bb[0]=ee[0]then //同一行
begin
@ -1242,8 +1255,8 @@ type TCustomMemo = class(TCustomScrollControl,TCustomMemoCmd) //
end
if not s then return;
bb := array(fCaretY,fCaretX);
r := buffer_InsertChars(bb,s);
fUndoList.AddChange(crInsert,bb,r,s,0);
r := buffer_InsertChars(bb,ee,s,FSelectionMode);
fUndoList.AddChange(crInsert,bb,r,s,FSelectionMode);
SetCaretXY(r);
UpdateCaret();
memtextchanged(bb);
@ -1583,6 +1596,7 @@ type TCustomMemo = class(TCustomScrollControl,TCustomMemoCmd) //
begin
if not(ifarray(p2)and ifarray(p1)and p2[0]>= 1 and p2[1]>= 1)then return;
SetCaretXY(p2);
IncPaintLock();
if Sel then
begin
@ -1601,9 +1615,20 @@ type TCustomMemo = class(TCustomScrollControl,TCustomMemoCmd) //
ed := GetBlockEnd()[0];
InvalidateLines(bg,ed);
end
if FSelectionMode=smColumn then
begin
if fBlockBegin then fBlockBegin[1] := caretxy[1];
fBlockEnd := CaretXY;
end else
begin
fBlockBegin := CaretXY;
fBlockEnd := CaretXY;
end
end
if FSelectionMode=smColumn and P2[0]<>P1[0] then
begin
ReCreateCaret();
end else
UpDateCaret();
DecPaintLock();
end
@ -1652,7 +1677,7 @@ type TCustomMemo = class(TCustomScrollControl,TCustomMemoCmd) //
begin
if fCaretX >= fLeftChar and(fCaretX<fCharsInWindow+fLeftChar)and FTopLine <= fCaretY and fCaretY<FTopLine+fLinesInWindow then
begin
_wapi.SetCaretPos(FGutter.Width+FCharWidth *(FCaretX-FLeftChar),(fTextHeight *(fCaretY-FTopLine)+3));
_wapi.SetCaretPos(FGutter.Width+FCharWidth *(FCaretX-FLeftChar),(fTextHeight *(fCaretY-FTopLine-((FSelectionMode=smColumn)?(fcaretcout-1):0))+3));
//_wapi.ShowCaret(self.Handle);
if not FIsCaretShow then
begin
@ -1887,7 +1912,7 @@ type TCustomMemo = class(TCustomScrollControl,TCustomMemoCmd) //
begin
fBlockEnd := array(len,1+fLines[len-1].StrLength());
InvalidateRect(nil,false);
end else
end
end
function CopyToClipboard(); //复制选择
begin
@ -1920,7 +1945,7 @@ type TCustomMemo = class(TCustomScrollControl,TCustomMemoCmd) //
end
function SetSelectionMode(v);
begin
if(v <> FSelectionMode)and(v in array(smNormal,smLine))then FSelectionMode := v;
if(v <> FSelectionMode)and(v in array(smNormal,smLine,smColumn))then FSelectionMode := v;
end
function MoveCaretHorz(stp,sel);
begin
@ -1997,9 +2022,15 @@ type TCustomMemo = class(TCustomScrollControl,TCustomMemoCmd) //
crDelete:
begin
//插入
if item.FSelMode = smColumn then
begin
end
else
begin
SetCaretXY(item.FStartPos);
InsertChars(item.FStr);
//echo tostn(item);
end
end
end
end
@ -2219,42 +2250,7 @@ type TCustomMemo = class(TCustomScrollControl,TCustomMemoCmd) //
if not GetSelAvail()then return r;
bb := GetBlockBegin();
ee := GetBlockEnd();
if FSelectionMode=smLine then
begin
len := ee[0];
for i := bb[0]to ee[0] do
begin
r += fLines[i-1].FStr;
if i<len then r += "\r\n";
end
end else
begin
if bb[0]=ee[0]then
begin
s := fLines[bb[0]-1].FStr;
if ee[1]>bb[1]and ee[1]>1 then
try
r := s[bb[1]:ee[1]-1]; //可能出错,添加try
except
r := "";
end;
end else
begin
//第一行
s := fLines[bb[0]-1].FStr;
if bb[1]<= length(s)then r += s[bb[1]:];
r += "\r\n";
//中间
for i := bb[0]to ee[0]-2 do
begin
r += fLines[i].FStr;
r += "\r\n";
end
//最后一行
s := fLines[ee[0]-1].FStr;
if s and ee[1]>1 then r += s[1:ee[1]-1];
end
end
r := buffer_getchars(bb,ee,FSelectionMode);
return r;
end
function SetCaretX(cx);
@ -2289,7 +2285,9 @@ type TCustomMemo = class(TCustomScrollControl,TCustomMemoCmd) //
end
function GetSelAvail();
begin
return fBlockBegin <> fBlockEnd and fBlockBegin and fBlockEnd;
r := fBlockBegin <> fBlockEnd and fBlockBegin and fBlockEnd;
if FSelectionMode=smColumn then return fBlockBegin[1]<>fBlockEnd[1];
return r;
end
function SelectNextChar(); //选取后一个字符
begin
@ -2327,6 +2325,7 @@ type TCustomMemo = class(TCustomScrollControl,TCustomMemoCmd) //
end else
if fCaretY>1 then
begin
//if FSelectionMode=smColumn then return ;
s := fLines.GetStringByIndex(fCaretY-2);
fBlockEnd := array(CaretY-1,length(s)+1);
end
@ -2339,27 +2338,15 @@ type TCustomMemo = class(TCustomScrollControl,TCustomMemoCmd) //
IncPaintLock();
ee := GetBlockEnd();
bb := DeleteSel();
up := false;
if bb[0]=ee[0]then
begin
//InvalidateLines(bb[0],bb[0]);
end else
begin
up := true;
end
if v then
begin
bb2 := buffer_InsertChars(bb,v);
fUndoList.AddChange(crInsert,bb,bb2,v,0);
bb2 := buffer_InsertChars(bb,ee,v,FSelectionMode);
fUndoList.AddChange(crInsert,bb,bb2,v,FSelectionMode);
fUndoList.MergeReplaceItem();
fBlockEnd := bb2;
if bb2[0]<> bb[0]then up := true;
end else
bb2 := bb;
ExecuteCommand(ecGotoXY,bb2);
//SetCaretXY(bb2);
//if up then UpDateScroll();
//UpDateCaret();
DecPaintLock();
memtextchanged(bb);
end
@ -2375,8 +2362,8 @@ type TCustomMemo = class(TCustomScrollControl,TCustomMemoCmd) //
bb[1]:= 1;
ee[1]:= fLines[ee[0]-1].StrLength()+1;
end
fUndoList.AddChange(crDelete,bb,ee,GetSelText(),0);
buffer_DeleteChars(bb,ee);
fUndoList.AddChange(crDelete,bb,ee,GetSelText(),FSelectionMode);
buffer_DeleteChars(bb,ee,FSelectionMode);
fBlockBegin := fBlockEnd := bb;
return bb;
end
@ -2422,6 +2409,14 @@ type TCustomMemo = class(TCustomScrollControl,TCustomMemoCmd) //
if FReadOnly then return;
if fcaretcreated then return;
h := Font.Height;
if FSelectionMode=smColumn then
begin
if fBlockBegin and fBlockEnd then
begin
fcaretcout := max(abs(fBlockBegin[0]-fBlockEnd[0])+1,1);
if fcaretcout>1 then h := fTextHeight*fcaretcout;
end
end
hd := Handle;
_wapi.CreateCaret(hd,nil,1,h);
_wapi.ShowCaret(hd);
@ -2439,9 +2434,121 @@ type TCustomMemo = class(TCustomScrollControl,TCustomMemoCmd) //
end
FHasFocus;
//buffer 处理
function buffer_DeleteChars(bb,ee); //删除选择
function buffer_getchars(bb,ee,sm);//获得
begin
r := "";
case FSelectionMode of
smLine:
begin
for i := bb[0] to ee[0] do
begin
r += fLines[i-1].FStr;
r += "\r\n";
end
end
smColumn:
begin
len := ee[0];
a1 := min(bb[1],ee[1]);
a2 := max(bb[1],ee[1]);
if a1=a2 then return r;
for i := bb[0] to ee[0] do
begin
ri := fLines[i-1].FStr;
lri := length(ri);
a22 := min(a2-1,lri);
if lri then
begin
if bytetype(ri,a1)=2 then
begin
a11 := a1+1;
end else
begin
a11 := a1;
end
if bytetype(ri,a22)=1 then
begin
a22-=1;
end
if a11<=a22 then r+=ri[a11:a22];
end
if i<len then r += "\r\n";
end
end
else
begin
if bb[0]=ee[0]then
begin
s := fLines[bb[0]-1].FStr;
if ee[1]>bb[1]and ee[1]>1 then
try
r := s[bb[1]:ee[1]-1]; //可能出错,添加try
except
r := "";
end;
end else
begin
//第一行
s := fLines[bb[0]-1].FStr;
if bb[1]<= length(s)then r += s[bb[1]:];
r += "\r\n";
//中间
for i := bb[0]to ee[0]-2 do
begin
r += fLines[i].FStr;
r += "\r\n";
end
//最后一行
s := fLines[ee[0]-1].FStr;
if s and ee[1]>1 then r += s[1:ee[1]-1];
end
end
end
return r;
end
function buffer_DeleteChars(bb,ee,sm); //删除选择
begin
if bb=ee then return;
case sm of
smLine:
begin
fLines.splices(bb[0]-1,max(1,ee[0]-bb[0]+1),array());
end
smColumn:
begin
a1 := min(bb[1],ee[1]);
a2 := max(bb[1],ee[1]);
if a1=a2 then return r;
for i := bb[0] to ee[0] do
begin
ri := fLines.GetStringByIndex(i-1);
lri := length(ri);
a22 := min(a2-1,lri);
if lri then
begin
if bytetype(ri,a1)=2 then
begin
a11 := a1+1;
end else
begin
a11 := a1;
end
if bytetype(ri,a22)=1 then
begin
a22-=1;
end
if a11<=a22 then
begin
ri[a11:a22]:="";
fLines.SetValueByIndex(i-1,ri);
end
end
end
end
smNormal:
begin
if bb[0]=ee[0]then //删除一行中的
begin
str := fLines.GetStringByIndex(bb[0]-1);
@ -2460,7 +2567,9 @@ type TCustomMemo = class(TCustomScrollControl,TCustomMemoCmd) //
fLines.splices(bb[0],ee[0]-bb[0],array());
end
end
function buffer_InsertChars(cxy,str); //插入
end
end
function buffer_InsertChars(cxy,ee,str,sm); //插入
begin
if not(ifstring(str)and str)then return;
ss := str2array(str,"\n");