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https://github.com/notepad-plus-plus/notepad-plus-plus.git
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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
This commit is contained in:
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PowerEditor/src/ScitillaComponent/UrlHighlighter.cpp
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269
PowerEditor/src/ScitillaComponent/UrlHighlighter.cpp
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//this file is part of notepad++
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//Copyright (C)2003 Harry <harrybharry@users.sourceforge.net>
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//
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//This program is free software; you can redistribute it and/or
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//modify it under the terms of the GNU General Public License
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//as published by the Free Software Foundation; either
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//version 2 of the License, or (at your option) any later version.
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//
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//This program is distributed in the hope that it will be useful,
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//but WITHOUT ANY WARRANTY; without even the implied warranty of
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//MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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//GNU General Public License for more details.
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//
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//You should have received a copy of the GNU General Public License
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//along with this program; if not, write to the Free Software
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//Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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#include "UrlHighlighter.h"
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#include "Parameters.h"
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#define MAXLINEHIGHLIGHT 400 //prevent highlighter from doing too much work when a lot is visible
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const char *urlHttpRegExpr = "http://[a-z0-9_\\-\\+.:?&@=/%#]*";
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const char *urlHttpsRegExpr ="https://[a-z0-9_\\-\\+.:?&@=/%#]*";
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const char *urlFtpRegExpr = "ftp://[a-z0-9_\\-\\+.:?&@=/%#]*";
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const char *emailRegExpr = "mailto:[a-z0-9._-]+@[a-z0-9.-]+\\.[a-z]+";
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//Used to map style to style with hotspot properties
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struct HotspotStyle {
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int styleID;
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int hotspotID;
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HotspotStyle(int sid, int hid) : styleID(sid), hotspotID(hid) {};
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};
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UrlHighlighter::UrlHighlighter(FindReplaceDlg * pFRDlg)
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: _pFRDlg(pFRDlg), _isDrawing(false)
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{
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//Nothing to do
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}
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void UrlHighlighter::highlightView(ScintillaEditView * pHighlightView)
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{
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if (_isDrawing)
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return;
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_isDrawing = true;
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const NppGUI & nppGUI = (NppParameters::getInstance())->getNppGUI();
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//Test if highlight is needed
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int urlAction = (NppParameters::getInstance())->getNppGUI()._styleURL;
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if ((urlAction != 1) && (urlAction != 2))
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return;
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// Save target locations for other search functions
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int loc = (int)pHighlightView->execute(SCI_GETENDSTYLED);
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int originalStartPos = (int)pHighlightView->execute(SCI_GETTARGETSTART);
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int originalEndPos = (int)pHighlightView->execute(SCI_GETTARGETEND);
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// Get the range of text visible and highlight everything in it
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int firstLine = (int)pHighlightView->execute(SCI_GETFIRSTVISIBLELINE);
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int nrLines = min((int)pHighlightView->execute(SCI_LINESONSCREEN), MAXLINEHIGHLIGHT ) + 1;
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int lastLine = (int)pHighlightView->execute(SCI_DOCLINEFROMVISIBLE, firstLine + nrLines);
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const int startPos =(int)pHighlightView->execute(SCI_POSITIONFROMLINE, firstLine);
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int endPos = (int)pHighlightView->execute(SCI_POSITIONFROMLINE, lastLine);
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if (endPos == -1) //past EOF
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endPos = (int)pHighlightView->getCurrentDocLen() - 1;
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int preEndStyled = (int)pHighlightView->execute(SCI_GETENDSTYLED);
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int nextHotspotStyle = 31; //First style to be used for hotspot
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vector< HotspotStyle > hotspotStylers; //current stylers that map normal style to style with hotspot
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pHighlightView->execute(SCI_SETSEARCHFLAGS, SCFIND_REGEXP|SCFIND_POSIX);
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vector<const char *> urlRegExpressions;
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urlRegExpressions.push_back(urlHttpRegExpr);
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urlRegExpressions.push_back(urlHttpsRegExpr);
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urlRegExpressions.push_back(urlFtpRegExpr);
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urlRegExpressions.push_back(emailRegExpr);
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int hotSpotStyle = 31;
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pHighlightView->execute(SCI_STYLESETFORE, hotSpotStyle, blue);
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pHighlightView->execute(SCI_STYLESETUNDERLINE, hotSpotStyle, TRUE);
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pHighlightView->execute(SCI_STYLESETHOTSPOT, hotSpotStyle, TRUE);
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for (size_t k = 0 ; k < urlRegExpressions.size() ; k++)
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{
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pHighlightView->execute(SCI_SETTARGETSTART, startPos);
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pHighlightView->execute(SCI_SETTARGETEND, endPos);
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int targetStart = 0;
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int targetEnd = 0;
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targetStart = pHighlightView->execute(SCI_SEARCHINTARGET, strlen(urlRegExpressions[k]), (LPARAM)urlRegExpressions[k]);
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while (targetStart != -1)
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{
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targetStart = (int)(pHighlightView->execute(SCI_GETTARGETSTART));
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targetEnd = (int)(pHighlightView->execute(SCI_GETTARGETEND));
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int foundTextLen = targetEnd - targetStart;
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int idStyle = pHighlightView->execute(SCI_GETSTYLEAT, targetStart);
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pHighlightView->execute(SCI_STARTSTYLING, targetStart, 0xFF);
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pHighlightView->execute(SCI_SETSTYLING, foundTextLen, hotSpotStyle);
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int startMovingPos = targetStart + foundTextLen;
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if (startMovingPos >= endPos)
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{
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targetStart = -1;
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}
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else
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{
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pHighlightView->execute(SCI_SETTARGETSTART, startMovingPos);
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pHighlightView->execute(SCI_SETTARGETEND, endPos);
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targetStart = pHighlightView->execute(SCI_SEARCHINTARGET, strlen(urlRegExpressions[k]), (LPARAM)urlRegExpressions[k]);
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}
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}
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}
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pHighlightView->execute(SCI_STARTSTYLING, preEndStyled, 0xFF);
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// restore the original targets to avoid conflicts with the search/replace functions
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pHighlightView->execute(SCI_SETTARGETSTART, originalStartPos);
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pHighlightView->execute(SCI_SETTARGETEND, originalEndPos);
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_isDrawing = false;
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}
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/*
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void UrlHighlighter::highlightView(ScintillaEditView * pHighlightView)
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{
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if (_isDrawing)
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return;
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_isDrawing = true;
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const NppGUI & nppGUI = (NppParameters::getInstance())->getNppGUI();
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//Test if highlight is needed
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int urlAction = (NppParameters::getInstance())->getNppGUI()._styleURL;
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if ((urlAction != 1) && (urlAction != 2))
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return;
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// Save target locations for other search functions
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int loc = (int)pHighlightView->execute(SCI_GETENDSTYLED);
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int originalStartPos = (int)pHighlightView->execute(SCI_GETTARGETSTART);
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int originalEndPos = (int)pHighlightView->execute(SCI_GETTARGETEND);
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// Get the range of text visible and highlight everything in it
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int firstLine = (int)pHighlightView->execute(SCI_GETFIRSTVISIBLELINE);
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int nrLines = min((int)pHighlightView->execute(SCI_LINESONSCREEN), MAXLINEHIGHLIGHT ) + 1;
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int lastLine = (int)pHighlightView->execute(SCI_DOCLINEFROMVISIBLE, firstLine + nrLines);
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const int startPos =(int)pHighlightView->execute(SCI_POSITIONFROMLINE, firstLine);
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int endPos = (int)pHighlightView->execute(SCI_POSITIONFROMLINE, lastLine);
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if (endPos == -1) //past EOF
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endPos = (int)pHighlightView->getCurrentDocLen() - 1;
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int preEndStyled = (int)pHighlightView->execute(SCI_GETENDSTYLED);
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int nextHotspotStyle = 31; //First style to be used for hotspot
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vector< HotspotStyle > hotspotStylers; //current stylers that map normal style to style with hotspot
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pHighlightView->execute(SCI_SETSEARCHFLAGS, SCFIND_REGEXP|SCFIND_POSIX);
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vector<const char *> urlRegExpressions;
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urlRegExpressions.push_back(urlHttpRegExpr);
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urlRegExpressions.push_back(urlHttpsRegExpr);
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urlRegExpressions.push_back(urlFtpRegExpr);
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urlRegExpressions.push_back(emailRegExpr);
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for (size_t k = 0 ; k < urlRegExpressions.size() ; k++)
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{
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pHighlightView->execute(SCI_SETTARGETSTART, startPos);
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pHighlightView->execute(SCI_SETTARGETEND, endPos);
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int targetStart = 0;
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int targetEnd = 0;
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targetStart = pHighlightView->execute(SCI_SEARCHINTARGET, strlen(urlRegExpressions[k]), (LPARAM)urlRegExpressions[k]);
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while (targetStart != -1)
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{
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targetStart = (int)(pHighlightView->execute(SCI_GETTARGETSTART));
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targetEnd = (int)(pHighlightView->execute(SCI_GETTARGETEND));
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int foundTextLen = targetEnd - targetStart;
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int idStyle = pHighlightView->execute(SCI_GETSTYLEAT, targetStart);
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int foundStyle = -1;
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for (size_t i = 0 ; i < hotspotStylers.size() ; i++)
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{
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if (hotspotStylers[i].styleID == idStyle)
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{
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foundStyle = hotspotStylers[i].hotspotID;
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break;
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}
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if (hotspotStylers[i].hotspotID == idStyle)
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{
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foundStyle = hotspotStylers[i].hotspotID;
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break;
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}
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}
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if (foundStyle == -1) //no hotspot style for this style, create one
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{
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if (nextHotspotStyle == 0)
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{
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//no style slots left
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}
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else
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{
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hotspotStylers.push_back(HotspotStyle(idStyle, nextHotspotStyle));
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char fontName[256];
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Style hotspotStyle;
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hotspotStyle._styleID = nextHotspotStyle;
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pHighlightView->execute(SCI_STYLEGETFONT, idStyle, (LPARAM)fontName);
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hotspotStyle._fontName = &fontName[0];
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hotspotStyle._fgColor = pHighlightView->execute(SCI_STYLEGETFORE, idStyle);
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hotspotStyle._bgColor = pHighlightView->execute(SCI_STYLEGETBACK, idStyle);
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hotspotStyle._fontSize = pHighlightView->execute(SCI_STYLEGETSIZE, idStyle);
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int isBold = pHighlightView->execute(SCI_STYLEGETBOLD, idStyle);
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int isItalic = pHighlightView->execute(SCI_STYLEGETITALIC, idStyle);
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int isUnderline = pHighlightView->execute(SCI_STYLEGETUNDERLINE, idStyle);
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hotspotStyle._fontStyle = (isBold?FONTSTYLE_BOLD:0) | (isItalic?FONTSTYLE_ITALIC:0) | (isUnderline?FONTSTYLE_UNDERLINE:0);
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if (urlAction == 2)
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hotspotStyle._fontStyle |= FONTSTYLE_UNDERLINE; //force underline
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//Apply style
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pHighlightView->execute(SCI_STYLESETFORE, nextHotspotStyle, hotspotStyle._fgColor);
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pHighlightView->execute(SCI_STYLESETBACK, nextHotspotStyle, hotspotStyle._bgColor);
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pHighlightView->execute(SCI_STYLESETFONT, nextHotspotStyle, (LPARAM)hotspotStyle._fontName);
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pHighlightView->execute(SCI_STYLESETBOLD, nextHotspotStyle, hotspotStyle._fontStyle & FONTSTYLE_BOLD);
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pHighlightView->execute(SCI_STYLESETITALIC, nextHotspotStyle, hotspotStyle._fontStyle & FONTSTYLE_ITALIC);
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pHighlightView->execute(SCI_STYLESETUNDERLINE, nextHotspotStyle, hotspotStyle._fontStyle & FONTSTYLE_UNDERLINE);
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pHighlightView->execute(SCI_STYLESETSIZE, nextHotspotStyle, hotspotStyle._fontSize);
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pHighlightView->execute(SCI_STYLESETHOTSPOT, nextHotspotStyle, TRUE);
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foundStyle = nextHotspotStyle;
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nextHotspotStyle--;
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}
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}
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else //if a style could be found, apply it
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{
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pHighlightView->execute(SCI_STARTSTYLING, targetStart, 0xFF);
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pHighlightView->execute(SCI_SETSTYLING, foundTextLen, foundStyle);
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}
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int startMovingPos = targetStart + foundTextLen;
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if (startMovingPos >= endPos)
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{
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targetStart = -1;
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}
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else
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{
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pHighlightView->execute(SCI_SETTARGETSTART, startMovingPos);
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pHighlightView->execute(SCI_SETTARGETEND, endPos);
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targetStart = pHighlightView->execute(SCI_SEARCHINTARGET, strlen(urlRegExpressions[k]), (LPARAM)urlRegExpressions[k]);
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}
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}
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}
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pHighlightView->execute(SCI_STARTSTYLING, preEndStyled, 0xFF);
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// restore the original targets to avoid conflicts with the search/replace functions
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pHighlightView->execute(SCI_SETTARGETSTART, originalStartPos);
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pHighlightView->execute(SCI_SETTARGETEND, originalEndPos);
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_isDrawing = false;
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}
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*/
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33
PowerEditor/src/ScitillaComponent/UrlHighlighter.h
Normal file
33
PowerEditor/src/ScitillaComponent/UrlHighlighter.h
Normal file
@ -0,0 +1,33 @@
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//this file is part of notepad++
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//Copyright (C)2003 Harry <harrybharry@users.sourceforge.net>
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//
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//This program is free software; you can redistribute it and/or
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//modify it under the terms of the GNU General Public License
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//as published by the Free Software Foundation; either
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//version 2 of the License, or (at your option) any later version.
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//
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//This program is distributed in the hope that it will be useful,
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//but WITHOUT ANY WARRANTY; without even the implied warranty of
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//MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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//GNU General Public License for more details.
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//
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//You should have received a copy of the GNU General Public License
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//along with this program; if not, write to the Free Software
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//Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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#ifndef URLHIGHLIGHTER_H
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#define URLHIGHLIGHTER_H
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#include "ScintillaEditView.h"
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#include "FindReplaceDlg.h"
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class UrlHighlighter {
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public:
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UrlHighlighter(FindReplaceDlg * pFRDlg);
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void highlightView(ScintillaEditView * pHighlightView);
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private:
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FindReplaceDlg * _pFRDlg;
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bool _isDrawing;
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};
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#endif //URLHIGHLIGHTER_H
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