a small step towards removing (duplicate) selection logic from

TermBuffer. Enabled invalidating in TextView instead of weird redrawing. 
Seems much faster.


git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@21524 a95241bf-73f2-0310-859d-f6bbb57e9c96

src/apps/terminal/TermBuffer.cpp

@@ -294,7 +294,7 @@ TermBuffer::EraseBelow(const CurPos &pos)
 	memset(fBuffer[ROW(row)] + col, 0, (fColumnSize - col ) * sizeof(term_buffer));
 
 	for (int i = row; i < fRowSize; i++) {
-		EraseLine(i);
+		_EraseLine(i);
 	}
 }
 
@@ -312,7 +312,7 @@ TermBuffer::ScrollRegion(int top, int bot, int dir, int num)
 			}
 
 			fBuffer[ROW(bot)] = ptr;
-			EraseLine(bot);
+			_EraseLine(bot);
 		}
 	} else {
 		// scroll up
@@ -324,7 +324,7 @@ TermBuffer::ScrollRegion(int top, int bot, int dir, int num)
 			}
 
 			fBuffer[ROW(top)] = ptr;
-			EraseLine(top);
+			_EraseLine(top);
 		}
 	}
 }
@@ -335,7 +335,7 @@ void
 TermBuffer::ScrollLine()
 {
 	for (int i = fRowSize; i < fRowSize * 2; i++) {
-		EraseLine(i);
+		_EraseLine(i);
 	}
 
 	fRowOffset++;
@@ -359,10 +359,10 @@ TermBuffer::ResizeTo(int newRows, int newCols, int offset)
 
 	if (newRows <= fRowSize) {
 		for (i = newRows; i <= fRowSize; i++)
-			EraseLine(i);
+			_EraseLine(i);
 	} else {
 		for (i = fRowSize; i <= newRows * 2; i++)
-			EraseLine(i);
+			_EraseLine(i);
 	}
 
 	fCurrentColumnSize = newCols;
@@ -380,7 +380,7 @@ TermBuffer::Size() const
 
 
 void
-TermBuffer::EraseLine(int row)
+TermBuffer::_EraseLine(int row)
 {
 	memset(fBuffer[ROW(row)], 0, fColumnSize * sizeof(term_buffer));
 }
@@ -422,13 +422,6 @@ TermBuffer::DeSelect()
 }
 
 
-//! Check cursor position which be including selected area.
-int
-TermBuffer::CheckSelectedRegion (const CurPos &pos)
-{
-	return fSelStart.y == pos.y || fSelEnd.y == pos.y;
-}
-
 
 bool
 TermBuffer::FindWord(const CurPos &pos, CurPos *start, CurPos *end)
@@ -459,11 +452,9 @@ TermBuffer::FindWord(const CurPos &pos, CurPos *start, CurPos *end)
 	if (start_x > x)
 		return false;
 
-	fSelStart.Set(start_x, y);
 	if (start != NULL)
 		start->Set(start_x, y);
 
-	fSelEnd.Set(x, y);
 	if (end != NULL)
 		end->Set(x, y);
 
@@ -520,33 +511,33 @@ start:
 }
 
 
-//! Get a string from selected region.
+//! Get a string from the given region.
 void
-TermBuffer::GetStringFromRegion(BString &str)
+TermBuffer::GetStringFromRegion(BString &str, const CurPos &start, const CurPos &end)
 {
 	int y;
 
-	if (fSelStart.y == fSelEnd.y) {
+	if (start.y == end.y) {
-		y = fSelStart.y;
+		y = start.y;
-		for (int x = fSelStart.x ; x <= fSelEnd.x; x++) {
+		for (int x = start.x ; x <= end.x; x++) {
 			GetCharFromRegion(x, y, str);
 		}
 	} else {
-		y = fSelStart.y;
+		y = start.y;
-		for (int x = fSelStart.x ; x < fCurrentColumnSize; x++) {
+		for (int x = start.x ; x < fCurrentColumnSize; x++) {
 			GetCharFromRegion(x, y, str);
 		}
 		AvoidWaste(str);
 
-		for (y = fSelStart.y + 1 ; y < fSelEnd.y; y++) {
+		for (y = start.y + 1 ; y < end.y; y++) {
 			for (int x = 0 ; x < fCurrentColumnSize; x++) {
 				GetCharFromRegion(x, y, str);
 			}
 			AvoidWaste(str);
 		}
 
-		y = fSelEnd.y;
+		y = end.y;
-		for (int x = 0 ; x <= fSelEnd.x; x++) {
+		for (int x = 0 ; x <= end.x; x++) {
 			GetCharFromRegion(x, y, str);
 		}
 	}

src/apps/terminal/TermBuffer.h

@@ -60,7 +60,7 @@ public:
 	//
 	int	GetChar(int row, int col, uchar *u, ushort *attr);
 	int	GetString(int row, int col, int num, uchar *u, ushort *attr);
-	void 	GetStringFromRegion (BString &copyStr);  
+	void 	GetStringFromRegion(BString &copyStr, const CurPos &start, const CurPos &end);  
 
 	void	WriteChar(const CurPos &pos, const uchar *u, ushort attr);
 	void	WriteCR(const CurPos &pos);
@@ -96,13 +96,11 @@ public:
 	
 	const CurPos &GetSelectionStart() { return fSelStart; };
 	const CurPos &GetSelectionEnd()   { return fSelEnd; };
-
-	int	CheckSelectedRegion (const CurPos &pos);
 	  
 	//
 	// Other methods
 	//
-	bool	FindWord (const CurPos &pos, CurPos *start, CurPos *end);
+	bool	FindWord(const CurPos &pos, CurPos *start, CurPos *end);
 
 	void	GetCharFromRegion (int x, int y, BString &str);
 static	void	AvoidWaste (BString &str);
@@ -112,7 +110,7 @@ static	void	AvoidWaste (BString &str);
 	int32	Size() const;
 	  
 private:
-	void	EraseLine(int line);
+	void	_EraseLine(int line);
 
 	term_buffer 	**fBuffer;
 	int		fBufferSize;

src/apps/terminal/TermView.cpp

@@ -762,7 +762,7 @@ TermView::ViewThread(void *data)
 	int width, height;
 	sDrawRect pos;
 
-//#define INVALIDATE
+#define INVALIDATE
 #ifndef INVALIDATE
 	int i, j, count;
 	int m_flag;
@@ -1578,7 +1578,7 @@ TermView::DoCopy()
 		return;
 
 	BString copyStr;
-	fTextBuffer->GetStringFromRegion(copyStr);
+	fTextBuffer->GetStringFromRegion(copyStr, fSelStart, fSelEnd);
 
 	if (be_clipboard->Lock()) {
 		BMessage *clipMsg = NULL;
@@ -1701,7 +1701,7 @@ TermView::MouseDown(BPoint where)
 		if (HasSelection()) {
 			// copy text from region
 			BString copy;
-			fTextBuffer->GetStringFromRegion(copy);
+			fTextBuffer->GetStringFromRegion(copy, fSelStart, fSelEnd);
 			WritePTY((uchar *)copy.String(), copy.Length());
 		} else {
 			// copy text from clipboard.
@@ -1747,7 +1747,7 @@ TermView::MouseDown(BPoint where)
 						&& abs((int)(where.y - p.y)) < 4);
 				
 					BString copyStr("");
-					fTextBuffer->GetStringFromRegion(copyStr);
+					fTextBuffer->GetStringFromRegion(copyStr, fSelStart, fSelEnd);
 				
 					BMessage msg(B_MIME_TYPE);
 					msg.AddData("text/plain", B_MIME_TYPE, copyStr.String(), copyStr.Length());
@@ -2004,7 +2004,8 @@ TermView::SelectWord(BPoint where, int mod)
 	
 	pos = BPointToCurPos(where);
 	flag = fTextBuffer->FindWord(pos, &start, &end);
-	
+	fTextBuffer->Select(start, end);
+
 	if (mod & B_SHIFT_KEY) {
 	
 		if (flag) {
@@ -2122,8 +2123,8 @@ TermView::Find(const BString &str, bool forwardSearch, bool matchCase, bool matc
 	BString buffer;	
 	fTextBuffer->ToString(buffer);
 
-	CurPos selectionstart = fTextBuffer->GetSelectionStart();
+	CurPos selectionstart = fSelStart;
-	CurPos selectionend = fTextBuffer->GetSelectionEnd();
+	CurPos selectionend = fSelEnd;
 
 	int offset = 0;
 	if (selectionstart.x >= 0 || selectionstart.y >= 0) {
@@ -2205,7 +2206,7 @@ void
 TermView::GetSelection(BString &str)
 {
 	str.SetTo("");
-	fTextBuffer->GetStringFromRegion(str);
+	fTextBuffer->GetStringFromRegion(str, fSelStart, fSelEnd);
 }