Project: Notepad++

Revision: 299

Author: donho

Date: 21 Jul 2008 14:05:05

• /PowerEditor/src/ScitillaComponent/UrlHighlighter.cpp

  ......	@@ -0,0 +1,269 @@
  	1	//this file is part of notepad++
  	2	//Copyright (C)2003 Harry <harrybharry@users.sourceforge.net>
  	3	//
  	4	//This program is free software; you can redistribute it and/or
  	5	//modify it under the terms of the GNU General Public License
  	6	//as published by the Free Software Foundation; either
  	7	//version 2 of the License, or (at your option) any later version.
  	8	//
  	9	//This program is distributed in the hope that it will be useful,
  	10	//but WITHOUT ANY WARRANTY; without even the implied warranty of
  	11	//MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  	12	//GNU General Public License for more details.
  	13	//
  	14	//You should have received a copy of the GNU General Public License
  	15	//along with this program; if not, write to the Free Software
  	16	//Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  	17
  	18	#include "UrlHighlighter.h"
  	19	#include "Parameters.h"
  	20
  	21	#define MAXLINEHIGHLIGHT 400 //prevent highlighter from doing too much work when a lot is visible
  	22
  	23	const char *urlHttpRegExpr = "http://[a-z0-9_\\-\\+.:?&@=/%#]*";
  	24	const char *urlHttpsRegExpr ="https://[a-z0-9_\\-\\+.:?&@=/%#]*";
  	25	const char *urlFtpRegExpr = "ftp://[a-z0-9_\\-\\+.:?&@=/%#]*";
  	26	const char *emailRegExpr = "mailto:[a-z0-9._-]+@[a-z0-9.-]+\\.[a-z]+";
  	27
  	28	//Used to map style to style with hotspot properties
  	29	struct HotspotStyle {
  	30	int styleID;
  	31	int hotspotID;
  	32	HotspotStyle(int sid, int hid) : styleID(sid), hotspotID(hid) {};
  	33	};
  	34
  	35	UrlHighlighter::UrlHighlighter(FindReplaceDlg * pFRDlg)
  	36	: _pFRDlg(pFRDlg), _isDrawing(false)
  	37	{
  	38	//Nothing to do
  	39	}
  	40
  	41
  	42	void UrlHighlighter::highlightView(ScintillaEditView * pHighlightView)
  	43	{
  	44	if (_isDrawing)
  	45	return;
  	46	_isDrawing = true;
  	47
  	48	const NppGUI & nppGUI = (NppParameters::getInstance())->getNppGUI();
  	49	//Test if highlight is needed
  	50	int urlAction = (NppParameters::getInstance())->getNppGUI()._styleURL;
  	51	if ((urlAction != 1) && (urlAction != 2))
  	52	return;
  	53
  	54	// Save target locations for other search functions
  	55	int loc = (int)pHighlightView->execute(SCI_GETENDSTYLED);
  	56	int originalStartPos = (int)pHighlightView->execute(SCI_GETTARGETSTART);
  	57	int originalEndPos = (int)pHighlightView->execute(SCI_GETTARGETEND);
  	58
  	59	// Get the range of text visible and highlight everything in it
  	60	int firstLine = (int)pHighlightView->execute(SCI_GETFIRSTVISIBLELINE);
  	61	int nrLines = min((int)pHighlightView->execute(SCI_LINESONSCREEN), MAXLINEHIGHLIGHT ) + 1;
  	62	int lastLine = (int)pHighlightView->execute(SCI_DOCLINEFROMVISIBLE, firstLine + nrLines);
  	63	const int startPos =(int)pHighlightView->execute(SCI_POSITIONFROMLINE, firstLine);
  	64	int endPos = (int)pHighlightView->execute(SCI_POSITIONFROMLINE, lastLine);
  	65	if (endPos == -1) //past EOF
  	66	endPos = (int)pHighlightView->getCurrentDocLen() - 1;
  	67
  	68
  	69	int preEndStyled = (int)pHighlightView->execute(SCI_GETENDSTYLED);
  	70	int nextHotspotStyle = 31; //First style to be used for hotspot
  	71
  	72	vector< HotspotStyle > hotspotStylers; //current stylers that map normal style to style with hotspot
  	73
  	74	pHighlightView->execute(SCI_SETSEARCHFLAGS, SCFIND_REGEXP|SCFIND_POSIX);
  	75
  	76	vector<const char *> urlRegExpressions;
  	77	urlRegExpressions.push_back(urlHttpRegExpr);
  	78	urlRegExpressions.push_back(urlHttpsRegExpr);
  	79	urlRegExpressions.push_back(urlFtpRegExpr);
  	80	urlRegExpressions.push_back(emailRegExpr);
  	81
  	82	int hotSpotStyle = 31;
  	83
  	84	pHighlightView->execute(SCI_STYLESETFORE, hotSpotStyle, blue);
  	85	pHighlightView->execute(SCI_STYLESETUNDERLINE, hotSpotStyle, TRUE);
  	86	pHighlightView->execute(SCI_STYLESETHOTSPOT, hotSpotStyle, TRUE);
  	87
  	88	for (size_t k = 0 ; k < urlRegExpressions.size() ; k++)
  	89	{
  	90	pHighlightView->execute(SCI_SETTARGETSTART, startPos);
  	91	pHighlightView->execute(SCI_SETTARGETEND, endPos);
  	92
  	93	int targetStart = 0;
  	94	int targetEnd = 0;
  	95	targetStart = pHighlightView->execute(SCI_SEARCHINTARGET, strlen(urlRegExpressions[k]), (LPARAM)urlRegExpressions[k]);
  	96	while (targetStart != -1)
  	97	{
  	98	targetStart = (int)(pHighlightView->execute(SCI_GETTARGETSTART));
  	99	targetEnd = (int)(pHighlightView->execute(SCI_GETTARGETEND));
  	100	int foundTextLen = targetEnd - targetStart;
  	101	int idStyle = pHighlightView->execute(SCI_GETSTYLEAT, targetStart);
  	102
  	103	pHighlightView->execute(SCI_STARTSTYLING, targetStart, 0xFF);
  	104	pHighlightView->execute(SCI_SETSTYLING, foundTextLen, hotSpotStyle);
  	105
  	106	int startMovingPos = targetStart + foundTextLen;
  	107
  	108	if (startMovingPos >= endPos)
  	109	{
  	110	targetStart = -1;
  	111	}
  	112	else
  	113	{
  	114	pHighlightView->execute(SCI_SETTARGETSTART, startMovingPos);
  	115	pHighlightView->execute(SCI_SETTARGETEND, endPos);
  	116	targetStart = pHighlightView->execute(SCI_SEARCHINTARGET, strlen(urlRegExpressions[k]), (LPARAM)urlRegExpressions[k]);
  	117	}
  	118	}
  	119	}
  	120	pHighlightView->execute(SCI_STARTSTYLING, preEndStyled, 0xFF);
  	121
  	122	// restore the original targets to avoid conflicts with the search/replace functions
  	123	pHighlightView->execute(SCI_SETTARGETSTART, originalStartPos);
  	124	pHighlightView->execute(SCI_SETTARGETEND, originalEndPos);
  	125	_isDrawing = false;
  	126	}
  	127
  	128
  	129	/*
  	130	void UrlHighlighter::highlightView(ScintillaEditView * pHighlightView)
  	131	{
  	132	if (_isDrawing)
  	133	return;
  	134	_isDrawing = true;
  	135
  	136	const NppGUI & nppGUI = (NppParameters::getInstance())->getNppGUI();
  	137	//Test if highlight is needed
  	138	int urlAction = (NppParameters::getInstance())->getNppGUI()._styleURL;
  	139	if ((urlAction != 1) && (urlAction != 2))
  	140	return;
  	141
  	142	// Save target locations for other search functions
  	143	int loc = (int)pHighlightView->execute(SCI_GETENDSTYLED);
  	144	int originalStartPos = (int)pHighlightView->execute(SCI_GETTARGETSTART);
  	145	int originalEndPos = (int)pHighlightView->execute(SCI_GETTARGETEND);
  	146
  	147	// Get the range of text visible and highlight everything in it
  	148	int firstLine = (int)pHighlightView->execute(SCI_GETFIRSTVISIBLELINE);
  	149	int nrLines = min((int)pHighlightView->execute(SCI_LINESONSCREEN), MAXLINEHIGHLIGHT ) + 1;
  	150	int lastLine = (int)pHighlightView->execute(SCI_DOCLINEFROMVISIBLE, firstLine + nrLines);
  	151	const int startPos =(int)pHighlightView->execute(SCI_POSITIONFROMLINE, firstLine);
  	152	int endPos = (int)pHighlightView->execute(SCI_POSITIONFROMLINE, lastLine);
  	153	if (endPos == -1) //past EOF
  	154	endPos = (int)pHighlightView->getCurrentDocLen() - 1;
  	155
  	156
  	157	int preEndStyled = (int)pHighlightView->execute(SCI_GETENDSTYLED);
  	158	int nextHotspotStyle = 31; //First style to be used for hotspot
  	159
  	160	vector< HotspotStyle > hotspotStylers; //current stylers that map normal style to style with hotspot
  	161
  	162	pHighlightView->execute(SCI_SETSEARCHFLAGS, SCFIND_REGEXP|SCFIND_POSIX);
  	163
  	164	vector<const char *> urlRegExpressions;
  	165	urlRegExpressions.push_back(urlHttpRegExpr);
  	166	urlRegExpressions.push_back(urlHttpsRegExpr);
  	167	urlRegExpressions.push_back(urlFtpRegExpr);
  	168	urlRegExpressions.push_back(emailRegExpr);
  	169
  	170	for (size_t k = 0 ; k < urlRegExpressions.size() ; k++)
  	171	{
  	172	pHighlightView->execute(SCI_SETTARGETSTART, startPos);
  	173	pHighlightView->execute(SCI_SETTARGETEND, endPos);
  	174
  	175	int targetStart = 0;
  	176	int targetEnd = 0;
  	177	targetStart = pHighlightView->execute(SCI_SEARCHINTARGET, strlen(urlRegExpressions[k]), (LPARAM)urlRegExpressions[k]);
  	178	while (targetStart != -1)
  	179	{
  	180	targetStart = (int)(pHighlightView->execute(SCI_GETTARGETSTART));
  	181	targetEnd = (int)(pHighlightView->execute(SCI_GETTARGETEND));
  	182	int foundTextLen = targetEnd - targetStart;
  	183	int idStyle = pHighlightView->execute(SCI_GETSTYLEAT, targetStart);
  	184
  	185	int foundStyle = -1;
  	186	for (size_t i = 0 ; i < hotspotStylers.size() ; i++)
  	187	{
  	188	if (hotspotStylers[i].styleID == idStyle)
  	189	{
  	190	foundStyle = hotspotStylers[i].hotspotID;
  	191	break;
  	192	}
  	193	if (hotspotStylers[i].hotspotID == idStyle)
  	194	{
  	195	foundStyle = hotspotStylers[i].hotspotID;
  	196	break;
  	197	}
  	198	}
  	199
  	200	if (foundStyle == -1) //no hotspot style for this style, create one
  	201	{
  	202	if (nextHotspotStyle == 0)
  	203	{
  	204	//no style slots left
  	205	}
  	206	else
  	207	{
  	208	hotspotStylers.push_back(HotspotStyle(idStyle, nextHotspotStyle));
  	209
  	210	char fontName[256];
  	211	Style hotspotStyle;
  	212
  	213	hotspotStyle._styleID = nextHotspotStyle;
  	214	pHighlightView->execute(SCI_STYLEGETFONT, idStyle, (LPARAM)fontName);
  	215	hotspotStyle._fontName = &fontName[0];
  	216	hotspotStyle._fgColor = pHighlightView->execute(SCI_STYLEGETFORE, idStyle);
  	217	hotspotStyle._bgColor = pHighlightView->execute(SCI_STYLEGETBACK, idStyle);
  	218	hotspotStyle._fontSize = pHighlightView->execute(SCI_STYLEGETSIZE, idStyle);
  	219
  	220	int isBold = pHighlightView->execute(SCI_STYLEGETBOLD, idStyle);
  	221	int isItalic = pHighlightView->execute(SCI_STYLEGETITALIC, idStyle);
  	222	int isUnderline = pHighlightView->execute(SCI_STYLEGETUNDERLINE, idStyle);
  	223	hotspotStyle._fontStyle = (isBold?FONTSTYLE_BOLD:0) | (isItalic?FONTSTYLE_ITALIC:0) | (isUnderline?FONTSTYLE_UNDERLINE:0);
  	224
  	225	if (urlAction == 2)
  	226	hotspotStyle._fontStyle |= FONTSTYLE_UNDERLINE; //force underline
  	227
  	228	//Apply style
  	229	pHighlightView->execute(SCI_STYLESETFORE, nextHotspotStyle, hotspotStyle._fgColor);
  	230	pHighlightView->execute(SCI_STYLESETBACK, nextHotspotStyle, hotspotStyle._bgColor);
  	231	pHighlightView->execute(SCI_STYLESETFONT, nextHotspotStyle, (LPARAM)hotspotStyle._fontName);
  	232	pHighlightView->execute(SCI_STYLESETBOLD, nextHotspotStyle, hotspotStyle._fontStyle & FONTSTYLE_BOLD);
  	233	pHighlightView->execute(SCI_STYLESETITALIC, nextHotspotStyle, hotspotStyle._fontStyle & FONTSTYLE_ITALIC);
  	234	pHighlightView->execute(SCI_STYLESETUNDERLINE, nextHotspotStyle, hotspotStyle._fontStyle & FONTSTYLE_UNDERLINE);
  	235	pHighlightView->execute(SCI_STYLESETSIZE, nextHotspotStyle, hotspotStyle._fontSize);
  	236	pHighlightView->execute(SCI_STYLESETHOTSPOT, nextHotspotStyle, TRUE);
  	237
  	238	foundStyle = nextHotspotStyle;
  	239	nextHotspotStyle--;
  	240	}
  	241	}
  	242	else //if a style could be found, apply it
  	243	{
  	244	pHighlightView->execute(SCI_STARTSTYLING, targetStart, 0xFF);
  	245	pHighlightView->execute(SCI_SETSTYLING, foundTextLen, foundStyle);
  	246	}
  	247
  	248	int startMovingPos = targetStart + foundTextLen;
  	249
  	250	if (startMovingPos >= endPos)
  	251	{
  	252	targetStart = -1;
  	253	}
  	254	else
  	255	{
  	256	pHighlightView->execute(SCI_SETTARGETSTART, startMovingPos);
  	257	pHighlightView->execute(SCI_SETTARGETEND, endPos);
  	258	targetStart = pHighlightView->execute(SCI_SEARCHINTARGET, strlen(urlRegExpressions[k]), (LPARAM)urlRegExpressions[k]);
  	259	}
  	260	}
  	261	}
  	262	pHighlightView->execute(SCI_STARTSTYLING, preEndStyled, 0xFF);
  	263
  	264	// restore the original targets to avoid conflicts with the search/replace functions
  	265	pHighlightView->execute(SCI_SETTARGETSTART, originalStartPos);
  	266	pHighlightView->execute(SCI_SETTARGETEND, originalEndPos);
  	267	_isDrawing = false;
  	268	}
  	269	*/

• /PowerEditor/src/ScitillaComponent/UrlHighlighter.h

  ......	@@ -0,0 +1,33 @@
  	1	//this file is part of notepad++
  	2	//Copyright (C)2003 Harry <harrybharry@users.sourceforge.net>
  	3	//
  	4	//This program is free software; you can redistribute it and/or
  	5	//modify it under the terms of the GNU General Public License
  	6	//as published by the Free Software Foundation; either
  	7	//version 2 of the License, or (at your option) any later version.
  	8	//
  	9	//This program is distributed in the hope that it will be useful,
  	10	//but WITHOUT ANY WARRANTY; without even the implied warranty of
  	11	//MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  	12	//GNU General Public License for more details.
  	13	//
  	14	//You should have received a copy of the GNU General Public License
  	15	//along with this program; if not, write to the Free Software
  	16	//Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  	17
  	18	#ifndef URLHIGHLIGHTER_H
  	19	#define URLHIGHLIGHTER_H
  	20
  	21	#include "ScintillaEditView.h"
  	22	#include "FindReplaceDlg.h"
  	23
  	24	class UrlHighlighter {
  	25	public:
  	26	UrlHighlighter(FindReplaceDlg * pFRDlg);
  	27	void highlightView(ScintillaEditView * pHighlightView);
  	28	private:
  	29	FindReplaceDlg * _pFRDlg;
  	30	bool _isDrawing;
  	31	};
  	32
  	33	#endif //URLHIGHLIGHTER_H