Remove broken multibyte stuff from GTK frontend, make single-byte

stuff work properly.


git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@13236 a592a061-630c-0410-9148-cb99ea01b6c8

src/frontends/gtk/GPainter.C

@@ -29,7 +29,6 @@
 #include "LColor.h"
 #include "xftFontLoader.h"
 #include "frontends/font_metrics.h"
-#include "codeConvert.h"
 
 #include "support/lstrings.h"
 
@@ -208,53 +207,40 @@ void GPainter::image(int x, int y, int w, int h,
 }
 
 
-void GPainter::text(int x, int y, std::string const & s, LyXFont const & f)
-{
-	size_t size = s.length() + 1;
-	boost::scoped_array<wchar_t> wcs(new wchar_t[size]);
-	size = mbstowcs(wcs.get(), s.c_str(), size);
-	return text(x, y, wcs.get(), size, f);
-}
-
-
-void GPainter::text(int x, int y, char c, LyXFont const & f)
-{
-	char s[2] = { c, '\0' };
-	text(x, y, s, 1, f);
-}
-
-
 inline XftFont * getXftFont(LyXFont const & f)
 {
 	return fontLoader.load(f.family(), f.series(),
-			       f.realShape(), f.size());
+		f.realShape(), f.size());
 }
 
 
-void GPainter::text(int x, int y, wchar_t const * s, int ls, LyXFont const & f)
+// ENCODING: we assume we've got 8-bit string in whatever format Xft
+// wants.  We should be finding out what the backend's giving us and 
+// then converting it before feeding it to Xft using XftDrawStringUtf8
+void GPainter::text(int x, int y, char const * s, size_t ls, LyXFont const & f)
 {
 	XftFont * font = getXftFont(f);
 	XftColor * xftClr = owner_.getColorHandler().
 		getXftColor(f.realColor());
 	XftDraw * draw = owner_.getXftDraw();
 	if (f.realShape() != LyXFont::SMALLCAPS_SHAPE) {
-		XftDrawString32(draw, xftClr, font, x, y,
-				wcsToXftChar32StrFast(s), ls);
+		XftDrawString8(draw, xftClr, font, x, y,
+			reinterpret_cast<XftChar8 *>(const_cast<char *>(s)), ls);
 	} else {
 		LyXFont smallfont(f);
 		smallfont.decSize().decSize().setShape(LyXFont::UP_SHAPE);
 		XftFont * fontS = getXftFont(smallfont);
-		wchar_t c;
+		char c;
 		int tmpx = x;
 		for (int i = 0; i < ls; ++i) {
 			c = lyx::support::uppercase(s[i]);
 			if (c != s[i]) {
-				XftDrawString32(draw, xftClr, fontS, tmpx, y,
-						wcsToXftChar32StrFast(&c), 1);
+				XftDrawString8(draw, xftClr, fontS, tmpx, y,
+					reinterpret_cast<XftChar8 *>(const_cast<char *>(&c)), 1);
 				tmpx += font_metrics::width(c, smallfont);
 			} else {
-				XftDrawString32(draw, xftClr, font, tmpx, y,
-						wcsToXftChar32StrFast(&c), 1);
+				XftDrawString8(draw, xftClr, font, tmpx, y,
+					reinterpret_cast<XftChar8 *>(const_cast<char *>(&c)), 1);
 				tmpx += font_metrics::width(c, f);
 			}
 		}
@@ -264,19 +250,17 @@ void GPainter::text(int x, int y, wchar_t const * s, int ls, LyXFont const & f)
 }
 
 
-void GPainter::text(int x, int y, char const * s, size_t ls, LyXFont const & f)
+void GPainter::text(int x, int y, std::string const & s, LyXFont const & f)
 {
-	boost::scoped_array<wchar_t> wcs(new wchar_t[ls + 1]);
-	size_t len;
-	if (fontLoader.isSpecial(f)) {
-		unsigned char const * us =
-			reinterpret_cast<unsigned char const *>(s);
-		len = ls;
-		std::copy(us, us + ls, wcs.get());
-	} else
-		len = mbstowcs(wcs.get(), s, ls + 1);
-	text(x, y, wcs.get(), len, f);
+	text (x, y, s.c_str(), s.size(), f);
 }
 
+
+void GPainter::text(int x, int y, char c, LyXFont const & f)
+{
+	text (x, y, &c, 1, f);
+}
+
+
 } // namespace frontend
 } // namespace lyx

src/frontends/gtk/GPainter.h

@@ -107,27 +107,19 @@ public:
 	virtual void text(int x, int y,
 		std::string const & str, LyXFont const & f);
 
-	/** Draw a string at position x, y (y is the baseline)
-	 *  This is just for fast drawing
-	 */
+	/// draw a string at position x, y (y is the baseline)
 	virtual void text(int x, int y,
 		char const * str, size_t l,
 		LyXFont const & f);
 
-	virtual void text(int x, int y, wchar_t const * str, int l,
-			       LyXFont const & f);
-
 	/// draw a char at position x, y (y is the baseline)
 	virtual void text(int x, int y,
 			       char c, LyXFont const & f);
 
-	/// draw a wide string at position x, y
-	void text(int x, int y,
-		XChar2b const * str, size_t l,
-		LyXFont const & f);
-
 	void start();
 	
+	
+
 private:
 	/// our owner who we paint upon
 	GWorkArea & owner_;

src/frontends/gtk/Makefile.am

@@ -133,7 +133,6 @@ libgtk_la_SOURCES = \
 	LyXKeySymFactory.C \
 	LyXScreenFactory.C \
 	WorkAreaFactory.C \
-	codeConvert.h \
 	ghelpers.C \
 	ghelpers.h \
 	io_callback.C \

src/frontends/gtk/codeConvert.h

@@ -1,36 +0,0 @@
-// -*- C++ -*-
-/**
- * \file codeConvert.h
- * This file is part of LyX, the document processor.
- * Licence details can be found in the file COPYING.
- *
- * \author Huang Ying
- *
- * Full author contact details are available in file CREDITS.
- */
-
-#ifndef CODE_CONVERT_H
-#define CODE_CONVERT_H
-
-#include <X11/Xft/Xft.h>
-
-
-inline XftChar32 * wcsToXftChar32StrFast(wchar_t * wcs)
-{
-	return reinterpret_cast<XftChar32 *>(wcs);
-}
-
-
-inline XftChar32 * wcsToXftChar32StrFast(wchar_t const * wcs)
-{
-	return reinterpret_cast<XftChar32 *>(const_cast<wchar_t *>(wcs));
-}
-
-
-inline XftChar32 wcToXftChar32(wchar_t wc)
-{
-	return static_cast<XftChar32>(wc);
-}
-
-
-#endif

src/frontends/gtk/xftFontMetrics.C

@@ -24,7 +24,6 @@
 #include "lyxrc.h"
 #include "encoding.h"
 #include "language.h"
-#include "codeConvert.h"
 
 #include "support/lstrings.h"
 #include "debug.h"
@@ -77,17 +76,6 @@ inline int XGlyphLogWidth(XGlyphInfo const & info)
 	return info.xOff;
 }
 
-
-wchar_t C2WC(char ch)
-{
-	wchar_t wcs[2] = {0, 0};
-	char mbs[2] = {0, 0};
-	mbs[0] = ch;
-	mbstowcs(wcs, mbs, 2);
-	return wcs[0];
-}
-
-
 } // namespace anon
 
 
@@ -108,88 +96,61 @@ int maxDescent(LyXFont const & f)
 }
 
 
-int ascent(wchar_t c,LyXFont const & f)
+int ascent(char c,LyXFont const & f)
 {
 	XftFont * font = getXftFont(f);
 	XGlyphInfo glyph;
-	XftTextExtents32(getDisplay(), font,
-			 wcsToXftChar32StrFast(&c),
+	XftTextExtents8(getDisplay(), font,
+			 reinterpret_cast<XftChar8 *>(&c),
 			 1,
 			 &glyph);
 	return XGlyphAscent(glyph);
 }
 
 
-int ascent(char c, LyXFont const & f)
-{
-	return ascent(C2WC(c), f);
-}
-
-
-int descent(wchar_t c,LyXFont const & f)
+int descent(char c,LyXFont const & f)
 {
 	XftFont * font = getXftFont(f);
 	XGlyphInfo glyph;
-	XftTextExtents32(getDisplay(), font,
-			 wcsToXftChar32StrFast(&c),
+	XftTextExtents8(getDisplay(), font,
+			 reinterpret_cast<XftChar8 *>(&c),
 			 1,
 			 &glyph);
 	return XGlyphDescent(glyph);
 }
 
 
-int descent(char c, LyXFont const & f)
-{
-	return descent(C2WC(c), f);
-}
-
-
-int lbearing(wchar_t c,LyXFont const & f)
+int lbearing(char c,LyXFont const & f)
 {
 	XftFont * font = getXftFont(f);
 	XGlyphInfo glyph;
-	XftTextExtents32(getDisplay(), font,
-			 wcsToXftChar32StrFast(&c),
+	XftTextExtents8(getDisplay(), font,
+			 reinterpret_cast<XftChar8 *>(&c),
 			 1,
 			 &glyph);
 	return XGlyphLbearing(glyph);
 }
 
 
-int rbearing(wchar_t c,LyXFont const & f)
+int rbearing(char c,LyXFont const & f)
 {
 	XftFont * font = getXftFont(f);
 	XGlyphInfo glyph;
-	XftTextExtents32(getDisplay(), font,
-			 wcsToXftChar32StrFast(&c),
+	XftTextExtents8(getDisplay(), font,
+			 reinterpret_cast<XftChar8 *>(&c),
 			 1,
 			 &glyph);
 	return XGlyphRbearing(glyph);
 }
 
 
-int lbearing(char c, LyXFont const & f)
-{
-	return lbearing(C2WC(c), f);
-}
-
-
-int rbearing(char c, LyXFont const & f)
-{
-	return rbearing(C2WC(c), f);
-}
-
-
-int width(wchar_t const * s, size_t n, LyXFont const & f)
+int width(char const * s, size_t n, LyXFont const & f)
 {
 	XftFont * font = getXftFont(f);
 	XGlyphInfo glyph;
 	if (f.realShape() != LyXFont::SMALLCAPS_SHAPE){
-		XftTextExtents32(getDisplay(), font,
-				 const_cast<XftChar32 *>(
-					 wcsToXftChar32StrFast(s)),
-				 n,
-				 &glyph);
+		XftTextExtents8(getDisplay(), font,
+				 reinterpret_cast<XftChar8 *>(const_cast<char *>(s)), n, &glyph);
 		return XGlyphLogWidth(glyph);
 	} else {
 		int result = 0;
@@ -197,16 +158,16 @@ int width(wchar_t const * s, size_t n, LyXFont const & f)
 		smallfont.decSize().decSize().setShape(LyXFont::UP_SHAPE);
 		XftFont * fontS = getXftFont(smallfont);
 		for (size_t i = 0; i < n; ++i) {
-			wchar_t wc = lyx::support::uppercase(s[i]);
-			if (wc != s[i]) {
-				XftTextExtents32(getDisplay(), fontS,
-						 wcsToXftChar32StrFast(&wc),
+			char c = lyx::support::uppercase(s[i]);
+			if (c != s[i]) {
+				XftTextExtents8(getDisplay(), fontS,
+						 reinterpret_cast<XftChar8 *>(&c),
 						 1,
 						 &glyph);
 				result += XGlyphLogWidth(glyph);
 			} else {
-				XftTextExtents32(getDisplay(), font,
-						 wcsToXftChar32StrFast(&wc),
+				XftTextExtents8(getDisplay(), font,
+						 reinterpret_cast<XftChar8 *>(&c),
 						 1,
 						 &glyph);
 				result += XGlyphLogWidth(glyph);
@@ -217,42 +178,14 @@ int width(wchar_t const * s, size_t n, LyXFont const & f)
 }
 
 
-int width(wchar_t c,LyXFont const & f)
-{
-	return width(&c, 1, f);
-}
-
-
-int width(char const * s, size_t n, LyXFont const & f)
-{
-	boost::scoped_array<wchar_t> wcs(new wchar_t[n]);
-	int len; // Signed to handle error retvals
-	if (fontLoader.isSpecial(f)) {
-		unsigned char const * us =
-			reinterpret_cast<unsigned char const *>(s);
-		len = n;
-		std::copy(us, us + n, wcs.get());
-	} else {
-		len = mbstowcs(wcs.get(), s, n);
-		if (len < 0) {
-			lyxerr[Debug::FONT] << "Invalid multibyte encoding! '" << s << "'\n";
-			return n * width("0", 1, f);
-		}
-	}
-	return width(wcs.get(), static_cast<size_t>(len), f);
-}
-
-
 int signedWidth(string const & s, LyXFont const & f)
 {
 	if (s.empty())
 		return 0;
-	boost::scoped_array<wchar_t> wcs(new wchar_t[s.length() + 1]);
-	int len = mbstowcs(wcs.get(), s.c_str(), s.length());
-	if (wcs[0] == '-')
-		return width(wcs.get() + 1, len - 1, f);
+	if (s[0] == '-')
+		return width(s.c_str() + 1, s.size() - 1, f);
 	else
-		return width(wcs.get(), len, f);
+		return width(s.c_str(), s.size(), f);
 }