public Canvas(GCsTextEdit view, Font font, bool showLN)
{
txtZone_ = view.getClientRect();
font_ = new Painter(view.Handle, font);
this.showLN = showLN;
figNum_ = 3;
wrapWidth_ = 0xfffffff;
wrapType = WrapType.NonWrap;
}
//private Point pp = new Point();
private void DrawTXT3(Graphics g, VDrawInfo v, Painter p)
{
//doc_.line(0).Block.pa
//g.FillRectangle(bb, v.rc);
// 定数１
// const int TAB = p.T();
int H = p.H();
int TLM = doc_.tln() - 1;
int tmpYMIN = 0;
int tmpTLMIN = 0;
//if (DrawEventHandler == null) {
// tmpYMIN = v.YMIN;
// tmpTLMIN = v.TLMIN;
//}
//else {
// var tuple = l(udScr_tl_, udScr_vrl_);
// tmpYMIN = -(tuple.t2 + udScr_vrl_) * H;
// tmpTLMIN = tuple.t1;
//}
//if (DrawEventHandler != null && v.YMIN<=0) {
if (DrawEventHandler != null)
{
var tuple = l(udScr_tl_, udScr_vrl_);
tmpYMIN = -(tuple.t2 + udScr_vrl_) * H;
tmpTLMIN = tuple.t1;
}
else
{
tmpYMIN = v.YMIN;
tmpTLMIN = v.TLMIN;
}
//var tuple = l(udScr_tl_, udScr_vrl_);
//int tmpYMIN = -(tuple.t2 + udScr_vrl_) * H;
//int tmpTLMIN = tuple.t1;
//int testYMIN = -(tuple.t2 + udScr_vrl_) * H;
//int testTLMIN = tuple.t1;
// 作業用変数１
//Win32API.RECT a = new Win32API.RECT { left = 0, top = v.YMIN, right = 0, bottom = v.YMIN + p.H() };
Win32API.RECT a = new Win32API.RECT {
left = 0, top = tmpYMIN, right = 0, bottom = tmpYMIN + p.H()
};
//Rectangle a = new Rectangle( 0, v.YMIN, 0, v.YMIN+p.H() );
//Rectangle a = new Rectangle(0, 0,,v.YMIN);
//int clr = -1;
int x = 0;
int xbk = 0;
int i = 0;
Color color = Color.Empty;
Token token = null;
Action <IText> draw = (itext) => {
string s = itext.ToString();
int ci = s.IndexOfAny(cs, 0);
if (ci < 0)
{
//p.DrawText(g, s, color, x + v.XBASE, a.top);
p.DrawText(g, s, token.attr, x + v.XBASE, a.top);
if (((token.attr.type & AttrType.Image) == AttrType.Image) &&
i == token.ad && DrawEventHandler != null)
{
//DrawEventHandler(g, s.Substring(token.ad, token.len), x + v.XBASE, a.top + H);
DrawEventHandler(g, s, x + v.XBASE, a.top + H);
}
x += p.CalcStringWidth(s);
i += itext.Length;
}
else
{
foreach (var ps in Painter.parse(s, cs))
{
switch (ps[0])
{
case ' ':
if (ShowWhiteSpace)
{
p.DrawHSP(g, x + v.XBASE, a.top, ps.Length);
}
x += p.CalcStringWidth(ps);
break;
case '\x3000': //' ':
if (ShowZenWhiteSpace)
{
p.DrawZen(g, x + v.XBASE, a.top, ps.Length);
}
x += p.CalcStringWidth(ps);
break;
case '\t':
if (ShowTab)
{
for (int i2 = 0; i2 < ps.Length; ++i2)
{
int ntx = p.nextTab(x);
p.DrawTab(g, x + v.XBASE, a.top, ntx - x);
x = ntx;
}
}
break;
default:
//p.DrawText(g, ps, color, x + v.XBASE, a.top);
p.DrawText(g, ps, token.attr, x + v.XBASE, a.top);
if (((token.attr.type & AttrType.Image) == AttrType.Image) &&
i == token.ad && DrawEventHandler != null)
{
DrawEventHandler(g, ps.Substring(token.ad, token.len), x + v.XBASE, a.top + H);
}
x += p.CalcStringWidth(ps);
break;
}
i += ps.Length;
}
}
p.DrawAttribute(g, token.attr, v.XBASE + xbk, a.top - 1, v.XBASE + x, a.top - 1);
};
//int aTop = a.Top;
//int aBottom = a.Bottom;
// 論理行単位のLoop
//for (int tl = tmpTLMIN; a.top < v.YMAX && tl < doc_.tln(); ++tl) {
for (int tl = tmpTLMIN; a.top < v.YMAX; ++tl)
{
//for (int tl = tmpTLMIN; a.top < v.YMAX; ++tl) {
//TODO test
//string pa = doc_.line(tl).Block.PartID;
// 定数２
//string str = doc_.tl(tl).ToString();
IText str = doc_.tl(tl);
//if (str.Length == 0) break;
//const uchar* flg = doc_.pl(tl);
int rYMAX = Math.Min(v.YMAX, a.top + rln(tl) * H);
// 作業用変数２
int stt = 0, end;
int index = 0;
int nextlen = 0;
var rules = doc_.Rules(tl);
if (rules.Count == 0)
{
return;
}
token = rules[index];
int tokenad = token.ad;
int tokenlen = token.len;
color = token.attr.color;
// 表示行単位のLoop
for (int rl = 0; a.top < rYMAX; ++rl, a.top += H, a.bottom += H, stt = end)
{
// 作業用変数３
end = rlend(tl, rl);
if (a.bottom <= tmpYMIN)
{
continue;
}
////TODO test
//if (pa != Document.DEFAULT_ID) {
// p.DrawFill(g, 0, a.top, v.XMAX + v.XBASE, H);
//}
// テキストデータ描画
for (x = 0, i = stt; x <= v.XMAX && i < end;)
{
xbk = x;
nextlen = end - (tokenad + tokenlen);
//nextlen = end - attrindex;
if (nextlen >= 0)
{
var text = str.Substring(tokenad, tokenlen);
//draw(str, tokenad, tokenlen);
draw(text);
stt = i;
if (nextlen > 0)
{
index++;
token = rules[index];
tokenad = token.ad;
tokenlen = token.len;
color = token.attr.color;
}
if (rln(tl) > 0 && nextlen == 0 && i == end && index < rules.Count - 1)
{
index++;
token = rules[index];
tokenad = token.ad;
tokenlen = token.len;
color = token.attr.color;
}
}
else
{
//over
var text = str.Substring(tokenad, end - tokenad);
draw(text);
//draw(str, tokenad, end - tokenad);
stt = i;
tokenlen -= text.Length; //(end - attrindex);
tokenad = end;
}
}
// 選択範囲だったら反転
//if( v.SYB<=a.top && a.top<=v.SYE )
// Inv( a.top, a.top==v.SYB?v.SXB:(v.XBASE),
// a.top==v.SYE?v.SXE:(v.XBASE+x), p );
if (v.SYB <= a.top && a.top <= v.SYE)
{
//TODO Rectangle
if (cur_.Selection == SelectionType.Rectangle)
{
int cx = cur_.caret.GetPos().X;
if (cur_.Cur.tl == tl && cur_.Cur.rl == rl)
{
for (int selY = v.SYB; selY <= v.SYE; selY += H)
{
//VPos vpb = new VPos();
//GetVPos(v.SXB, selY, ref vpb, false);
VPos vpe = new VPos();
GetVPos(cx, selY, ref vpe, false);
//int w = CalcLineWidth(doc_.tl(vpe.tl).ToString(), doc_.tl(vpe.tl).Length);
if (CalcLineWidth(doc_.tl(vpe.tl).ToString(), doc_.tl(vpe.tl).Length) + v.XBASE < cx)
{
Inv(g, selY, Math.Min(v.XBASE + cur_.Sel.vx, cx),
Math.Max(v.XBASE + cur_.Sel.vx, cx), p);
}
else
{
Inv(g, selY, Math.Min(v.XBASE + cur_.Sel.vx, v.XBASE + vpe.vx),
Math.Max(v.XBASE + cur_.Sel.vx, v.XBASE + vpe.vx), p);
}
//Inv(g, selY, Math.Min(v.XBASE + cur_.Sel.vx, cx),
// Math.Max(v.XBASE + cur_.Sel.vx, cx), p);
}
}
}
else
{
Inv(g, a.top, a.top == v.SYB ? v.SXB : (v.XBASE),
a.top == v.SYE ? v.SXE : (v.XBASE + x), p);
}
}
// 行末より後ろの余白を背景色塗
if (x < v.XMAX)
{
a.left = v.XBASE + Math.Max(v.XMIN, x);
a.right = v.XBASE + v.XMAX;
//p.Fill( a );
//g.FillRectangle(bb, a.left, a.top, a.right - a.left, a.bottom - a.top);
}
}
//// 行末記号描画反転
//SpecialChars sc = (tl==TLM ? scEOF : scEOL);
//if( i==doc_.len(tl) && -32768<x+v.XBASE )
//{
// if( p.sc(sc) )
// {
// static const unicode* const sstr[] = { L"[EOF]", L"/" };
// static const int slen[] = { 5, 1 };
// p.SetColor( clr=CTL );
// p.StringOut( sstr[sc], slen[sc], x+v.XBASE, a.top-H );
// }
// if( v.SYB<a.top && a.top<=v.SYE && sc==scEOL )
// Inv( a.top-H, x+v.XBASE, x+v.XBASE+p.Wc('/'), p );
//}
if (i == doc_.len(tl) && -32768 < x + v.XBASE)
{
if (ShowReturn && tl != TLM)
{
p.DrawReturn(g, x + v.XBASE, a.top - H);
}
if (cur_.Selection == SelectionType.Normal && v.SYB < a.top && a.top <= v.SYE && ShowReturn)
{
Inv(g, a.top - H, x + v.XBASE, x + v.XBASE + p.W(), p);
}
}
}
// EOF後余白を背景色塗
if (a.top < v.rc.Bottom)
{
a.left = v.rc.Left;
a.right = v.rc.Right;
a.bottom = v.rc.Bottom;
//p.Fill( a );
//g.FillRectangle(bb, a.left, a.top, a.right - a.left, a.bottom - a.top);
}
//v.YMIN = tmpYMIN;
//v.TLMIN = tmpTLMIN;
}
public void ScrollView(int dx, int dy, bool update) {
// スクロール開始通知
cur_.on_scroll_begin();
//Rectangle clip = (dy==0 ? cvs_.zone() : new Rectangle() /*NULL*/);
Win32API.RECT clip = (dy == 0 ? cvs_.zone() : new Win32API.RECT());
bool isClipeNull = dy != 0;
int H = cvs_.getPainter().H();
// スクロールバー更新
if( dx != 0 ){
// 範囲チェック
if( hScrollBar.Value+dx < 0 )
dx = -hScrollBar.Value;
else if( hScrollBar.Maximum-hScrollBar.nPage < hScrollBar.Value+dx )
dx = hScrollBar.Maximum-hScrollBar.nPage-hScrollBar.Value+1;
//hScrollBar.Value += dx;
//::SetScrollInfo( hwnd_, SB_HORZ, &rlScr_, TRUE );
//dx = -dx;
hScrollBar.Value += dx;
dx = -dx;
}
if( dy != 0 ){
// 範囲チェック…は前処理で終わってる。
//vScrollBar.Value += dy;
//::SetScrollInfo( hwnd_, SB_VERT, &udScr_, TRUE );
//dy *= -H;
vScrollBar.Value += dy;
dy *= -H;
}
if( dx!=0 || dy!=0 ){
if( -dx>=right() || dx>=right()
|| -dy>=bottom() || dy>=bottom() ){
// 全画面再描画
// ちょうど65536の倍数くらいスクロールしたときに、
// ScrollWindowEx on Win9x だと再描画が変なのを回避。
//::InvalidateRect( hwnd_, NULL, FALSE );
this.Invalidate(false);
}else{
// 再描画の不要な領域をスクロール
//::ScrollWindowEx( hwnd_, dx, dy, NULL,
// clip, NULL, NULL, SW_INVALIDATE );
if (isClipeNull) {
Win32API.ScrollWindow(this.Handle, dx, dy);
}
else {
Win32API.ScrollWindow(this.Handle, dx, dy, clip);
}
// 即時再描画？
if( update ){
// 縦スクロールは高速化したいので一工夫
if (dy != 0) {
if (DrawEventHandler == null) {
//// 再描画の必要な領域を自分で計算
//RECT rc = {0,0,right(),bottom()};
//if( dy < 0 ) rc.top = rc.bottom + dy;
//else rc.bottom = dy;
//// インテリマウスの中ボタンクリックによる
//// オートスクロール用カーソルの下の部分を先に描く
//// ２回に分けることで、小さな矩形部分二つで済むので高速
//::ValidateRect( hwnd_, &rc );
//::UpdateWindow( hwnd_ );
//::InvalidateRect( hwnd_, &rc, FALSE );
Win32API.RECT rc = new Win32API.RECT();
rc.left = 0; rc.top = 0; rc.right = right(); rc.bottom = bottom();
if (dy < 0) rc.top = rc.bottom + dy;
else rc.bottom = dy;
Win32API.ValidateRect(this.Handle, ref rc);
//this.Update();
Win32API.UpdateWindow(this.Handle);
Win32API.InvalidateRect(this.Handle, ref rc, false);
}
}
//else {
// Win32API.UpdateWindow(this.Handle);
//}
//this.Update(); //TODO scroll
}
}
}
// スクロール終了通知
cur_.on_scroll_end();
}
internal void SetClip(Win32API.RECT rc)
{
Win32API.IntersectClipRect(dc_, rc.left, rc.top, rc.right, rc.bottom);
}
