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[ADD] Add UrlHighlighter class files. 

git-svn-id: svn://svn.tuxfamily.org/svnroot/notepadplus/repository@299 f5eea248-9336-0410-98b8-ebc06183d4e3
pull/343/head^2
donho 2008-07-21 18:05:05 +00:00
parent 42cfe90411
commit d156d90a9e
2 changed files with 302 additions and 0 deletions
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269
PowerEditor/src/ScitillaComponent/UrlHighlighter.cpp Normal file
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//this file is part of notepad++
//Copyright (C)2003 Harry <harrybharry@users.sourceforge.net>
//
//This program is free software; you can redistribute it and/or
//modify it under the terms of the GNU General Public License
//as published by the Free Software Foundation; either
//version 2 of the License, or (at your option) any later version.
//
//This program is distributed in the hope that it will be useful,
//but WITHOUT ANY WARRANTY; without even the implied warranty of
//MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
//GNU General Public License for more details.
//
//You should have received a copy of the GNU General Public License
//along with this program; if not, write to the Free Software
//Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
#include "UrlHighlighter.h"
#include "Parameters.h"
#define MAXLINEHIGHLIGHT 400 //prevent highlighter from doing too much work when a lot is visible
const char *urlHttpRegExpr = "http://[a-z0-9_\\-\\+.:?&@=/%#]*";
const char *urlHttpsRegExpr ="https://[a-z0-9_\\-\\+.:?&@=/%#]*";
const char *urlFtpRegExpr = "ftp://[a-z0-9_\\-\\+.:?&@=/%#]*";
const char *emailRegExpr = "mailto:[a-z0-9._-]+@[a-z0-9.-]+\\.[a-z]+";
//Used to map style to style with hotspot properties
struct HotspotStyle {
int styleID;
int hotspotID;
HotspotStyle(int sid, int hid) : styleID(sid), hotspotID(hid) {};
};
UrlHighlighter::UrlHighlighter(FindReplaceDlg * pFRDlg)
: _pFRDlg(pFRDlg), _isDrawing(false)
{
//Nothing to do
}
void UrlHighlighter::highlightView(ScintillaEditView * pHighlightView)
{
if (_isDrawing)
return;
_isDrawing = true;
const NppGUI & nppGUI = (NppParameters::getInstance())->getNppGUI();
//Test if highlight is needed
int urlAction = (NppParameters::getInstance())->getNppGUI()._styleURL;
if ((urlAction != 1) && (urlAction != 2))
return;
// Save target locations for other search functions
int loc = (int)pHighlightView->execute(SCI_GETENDSTYLED);
int originalStartPos = (int)pHighlightView->execute(SCI_GETTARGETSTART);
int originalEndPos = (int)pHighlightView->execute(SCI_GETTARGETEND);
// Get the range of text visible and highlight everything in it
int firstLine = (int)pHighlightView->execute(SCI_GETFIRSTVISIBLELINE);
int nrLines = min((int)pHighlightView->execute(SCI_LINESONSCREEN), MAXLINEHIGHLIGHT ) + 1;
int lastLine = (int)pHighlightView->execute(SCI_DOCLINEFROMVISIBLE, firstLine + nrLines);
const int startPos =(int)pHighlightView->execute(SCI_POSITIONFROMLINE, firstLine);
int endPos = (int)pHighlightView->execute(SCI_POSITIONFROMLINE, lastLine);
if (endPos == -1) //past EOF
endPos = (int)pHighlightView->getCurrentDocLen() - 1;
int preEndStyled = (int)pHighlightView->execute(SCI_GETENDSTYLED);
int nextHotspotStyle = 31; //First style to be used for hotspot
vector< HotspotStyle > hotspotStylers; //current stylers that map normal style to style with hotspot
pHighlightView->execute(SCI_SETSEARCHFLAGS, SCFIND_REGEXP|SCFIND_POSIX);
vector<const char *> urlRegExpressions;
urlRegExpressions.push_back(urlHttpRegExpr);
urlRegExpressions.push_back(urlHttpsRegExpr);
urlRegExpressions.push_back(urlFtpRegExpr);
urlRegExpressions.push_back(emailRegExpr);
int hotSpotStyle = 31;
pHighlightView->execute(SCI_STYLESETFORE, hotSpotStyle, blue);
pHighlightView->execute(SCI_STYLESETUNDERLINE, hotSpotStyle, TRUE);
pHighlightView->execute(SCI_STYLESETHOTSPOT, hotSpotStyle, TRUE);
for (size_t k = 0 ; k < urlRegExpressions.size() ; k++)
{
pHighlightView->execute(SCI_SETTARGETSTART, startPos);
pHighlightView->execute(SCI_SETTARGETEND, endPos);
int targetStart = 0;
int targetEnd = 0;
targetStart = pHighlightView->execute(SCI_SEARCHINTARGET, strlen(urlRegExpressions[k]), (LPARAM)urlRegExpressions[k]);
while (targetStart != -1)
{
targetStart = (int)(pHighlightView->execute(SCI_GETTARGETSTART));
targetEnd = (int)(pHighlightView->execute(SCI_GETTARGETEND));
int foundTextLen = targetEnd - targetStart;
int idStyle = pHighlightView->execute(SCI_GETSTYLEAT, targetStart);
pHighlightView->execute(SCI_STARTSTYLING, targetStart, 0xFF);
pHighlightView->execute(SCI_SETSTYLING, foundTextLen, hotSpotStyle);
int startMovingPos = targetStart + foundTextLen;
if (startMovingPos >= endPos)
{
targetStart = -1;
}
else
{
pHighlightView->execute(SCI_SETTARGETSTART, startMovingPos);
pHighlightView->execute(SCI_SETTARGETEND, endPos);
targetStart = pHighlightView->execute(SCI_SEARCHINTARGET, strlen(urlRegExpressions[k]), (LPARAM)urlRegExpressions[k]);
}
}
}
pHighlightView->execute(SCI_STARTSTYLING, preEndStyled, 0xFF);
// restore the original targets to avoid conflicts with the search/replace functions
pHighlightView->execute(SCI_SETTARGETSTART, originalStartPos);
pHighlightView->execute(SCI_SETTARGETEND, originalEndPos);
_isDrawing = false;
}
/*
void UrlHighlighter::highlightView(ScintillaEditView * pHighlightView)
{
if (_isDrawing)
return;
_isDrawing = true;
const NppGUI & nppGUI = (NppParameters::getInstance())->getNppGUI();
//Test if highlight is needed
int urlAction = (NppParameters::getInstance())->getNppGUI()._styleURL;
if ((urlAction != 1) && (urlAction != 2))
return;
// Save target locations for other search functions
int loc = (int)pHighlightView->execute(SCI_GETENDSTYLED);
int originalStartPos = (int)pHighlightView->execute(SCI_GETTARGETSTART);
int originalEndPos = (int)pHighlightView->execute(SCI_GETTARGETEND);
// Get the range of text visible and highlight everything in it
int firstLine = (int)pHighlightView->execute(SCI_GETFIRSTVISIBLELINE);
int nrLines = min((int)pHighlightView->execute(SCI_LINESONSCREEN), MAXLINEHIGHLIGHT ) + 1;
int lastLine = (int)pHighlightView->execute(SCI_DOCLINEFROMVISIBLE, firstLine + nrLines);
const int startPos =(int)pHighlightView->execute(SCI_POSITIONFROMLINE, firstLine);
int endPos = (int)pHighlightView->execute(SCI_POSITIONFROMLINE, lastLine);
if (endPos == -1) //past EOF
endPos = (int)pHighlightView->getCurrentDocLen() - 1;
int preEndStyled = (int)pHighlightView->execute(SCI_GETENDSTYLED);
int nextHotspotStyle = 31; //First style to be used for hotspot
vector< HotspotStyle > hotspotStylers; //current stylers that map normal style to style with hotspot
pHighlightView->execute(SCI_SETSEARCHFLAGS, SCFIND_REGEXP|SCFIND_POSIX);
vector<const char *> urlRegExpressions;
urlRegExpressions.push_back(urlHttpRegExpr);
urlRegExpressions.push_back(urlHttpsRegExpr);
urlRegExpressions.push_back(urlFtpRegExpr);
urlRegExpressions.push_back(emailRegExpr);
for (size_t k = 0 ; k < urlRegExpressions.size() ; k++)
{
pHighlightView->execute(SCI_SETTARGETSTART, startPos);
pHighlightView->execute(SCI_SETTARGETEND, endPos);
int targetStart = 0;
int targetEnd = 0;
targetStart = pHighlightView->execute(SCI_SEARCHINTARGET, strlen(urlRegExpressions[k]), (LPARAM)urlRegExpressions[k]);
while (targetStart != -1)
{
targetStart = (int)(pHighlightView->execute(SCI_GETTARGETSTART));
targetEnd = (int)(pHighlightView->execute(SCI_GETTARGETEND));
int foundTextLen = targetEnd - targetStart;
int idStyle = pHighlightView->execute(SCI_GETSTYLEAT, targetStart);
int foundStyle = -1;
for (size_t i = 0 ; i < hotspotStylers.size() ; i++)
{
if (hotspotStylers[i].styleID == idStyle)
{
foundStyle = hotspotStylers[i].hotspotID;
break;
}
if (hotspotStylers[i].hotspotID == idStyle)
{
foundStyle = hotspotStylers[i].hotspotID;
break;
}
}
if (foundStyle == -1) //no hotspot style for this style, create one
{
if (nextHotspotStyle == 0)
{
//no style slots left
}
else
{
hotspotStylers.push_back(HotspotStyle(idStyle, nextHotspotStyle));
char fontName[256];
Style hotspotStyle;
hotspotStyle._styleID = nextHotspotStyle;
pHighlightView->execute(SCI_STYLEGETFONT, idStyle, (LPARAM)fontName);
hotspotStyle._fontName = &fontName[0];
hotspotStyle._fgColor = pHighlightView->execute(SCI_STYLEGETFORE, idStyle);
hotspotStyle._bgColor = pHighlightView->execute(SCI_STYLEGETBACK, idStyle);
hotspotStyle._fontSize = pHighlightView->execute(SCI_STYLEGETSIZE, idStyle);
int isBold = pHighlightView->execute(SCI_STYLEGETBOLD, idStyle);
int isItalic = pHighlightView->execute(SCI_STYLEGETITALIC, idStyle);
int isUnderline = pHighlightView->execute(SCI_STYLEGETUNDERLINE, idStyle);
hotspotStyle._fontStyle = (isBold?FONTSTYLE_BOLD:0) | (isItalic?FONTSTYLE_ITALIC:0) | (isUnderline?FONTSTYLE_UNDERLINE:0);
if (urlAction == 2)
hotspotStyle._fontStyle |= FONTSTYLE_UNDERLINE; //force underline
//Apply style
pHighlightView->execute(SCI_STYLESETFORE, nextHotspotStyle, hotspotStyle._fgColor);
pHighlightView->execute(SCI_STYLESETBACK, nextHotspotStyle, hotspotStyle._bgColor);
pHighlightView->execute(SCI_STYLESETFONT, nextHotspotStyle, (LPARAM)hotspotStyle._fontName);
pHighlightView->execute(SCI_STYLESETBOLD, nextHotspotStyle, hotspotStyle._fontStyle & FONTSTYLE_BOLD);
pHighlightView->execute(SCI_STYLESETITALIC, nextHotspotStyle, hotspotStyle._fontStyle & FONTSTYLE_ITALIC);
pHighlightView->execute(SCI_STYLESETUNDERLINE, nextHotspotStyle, hotspotStyle._fontStyle & FONTSTYLE_UNDERLINE);
pHighlightView->execute(SCI_STYLESETSIZE, nextHotspotStyle, hotspotStyle._fontSize);
pHighlightView->execute(SCI_STYLESETHOTSPOT, nextHotspotStyle, TRUE);
foundStyle = nextHotspotStyle;
nextHotspotStyle--;
}
}
else //if a style could be found, apply it
{
pHighlightView->execute(SCI_STARTSTYLING, targetStart, 0xFF);
pHighlightView->execute(SCI_SETSTYLING, foundTextLen, foundStyle);
}
int startMovingPos = targetStart + foundTextLen;
if (startMovingPos >= endPos)
{
targetStart = -1;
}
else
{
pHighlightView->execute(SCI_SETTARGETSTART, startMovingPos);
pHighlightView->execute(SCI_SETTARGETEND, endPos);
targetStart = pHighlightView->execute(SCI_SEARCHINTARGET, strlen(urlRegExpressions[k]), (LPARAM)urlRegExpressions[k]);
}
}
}
pHighlightView->execute(SCI_STARTSTYLING, preEndStyled, 0xFF);
// restore the original targets to avoid conflicts with the search/replace functions
pHighlightView->execute(SCI_SETTARGETSTART, originalStartPos);
pHighlightView->execute(SCI_SETTARGETEND, originalEndPos);
_isDrawing = false;
}
*/

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PowerEditor/src/ScitillaComponent/UrlHighlighter.h Normal file
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//this file is part of notepad++
//Copyright (C)2003 Harry <harrybharry@users.sourceforge.net>
//
//This program is free software; you can redistribute it and/or
//modify it under the terms of the GNU General Public License
//as published by the Free Software Foundation; either
//version 2 of the License, or (at your option) any later version.
//
//This program is distributed in the hope that it will be useful,
//but WITHOUT ANY WARRANTY; without even the implied warranty of
//MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
//GNU General Public License for more details.
//
//You should have received a copy of the GNU General Public License
//along with this program; if not, write to the Free Software
//Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
#ifndef URLHIGHLIGHTER_H
#define URLHIGHLIGHTER_H
#include "ScintillaEditView.h"
#include "FindReplaceDlg.h"
class UrlHighlighter {
public:
UrlHighlighter(FindReplaceDlg * pFRDlg);
void highlightView(ScintillaEditView * pHighlightView);
private:
FindReplaceDlg * _pFRDlg;
bool _isDrawing;
};
#endif //URLHIGHLIGHTER_H