From b434694066b1d042e3d465ba370295e84c01cde1 Mon Sep 17 00:00:00 2001
From: nyamatongwe <unknown>
Date: Thu, 30 Mar 2000 11:41:02 +0000
Subject: Fixed bugs in handling undo history. Fixed bugs with null fonts.

---
 src/ViewStyle.cxx | 453 +++++++++++++++++++++++++++---------------------------
 1 file changed, 227 insertions(+), 226 deletions(-)

(limited to 'src/ViewStyle.cxx')

diff --git a/src/ViewStyle.cxx b/src/ViewStyle.cxx
index 903ae94f4..a67ee21a0 100644
--- a/src/ViewStyle.cxx
+++ b/src/ViewStyle.cxx
@@ -1,226 +1,227 @@
-// Scintilla source code edit control
-// ViewStyle.cxx - store information on how the document is to be viewed
-// Copyright 1998-2000 by Neil Hodgson <neilh@scintilla.org>
-// The License.txt file describes the conditions under which this software may be distributed.
-
-#include <string.h>
-
-#include "Platform.h"
-
-#include "Scintilla.h"
-#include "Indicator.h"
-#include "LineMarker.h"
-#include "Style.h"
-#include "ViewStyle.h"
-
-MarginStyle::MarginStyle() : 
-	symbol(false), width(16), mask(0xffffffff), sensitive(false) {
-}
-
-// A list of the fontnames - avoids wasting space in each style
-FontNames::FontNames() {
-	max = 0;
-}
-
-FontNames::~FontNames() {
-	Clear();
-}
-
-void FontNames::Clear() {
-	for (int i=0;i<max;i++) {
-		delete []names[i];
-	}
-	max = 0;
-}
-
-const char *FontNames::Save(const char *name) {
-	if (!name)
-		return 0;
-	for (int i=0;i<max;i++) {
-		if (strcmp(names[i], name) == 0) {
-			return names[i];
-		}
-	}
-	names[max] = new char[strlen(name) + 1];
-	strcpy(names[max], name);
-	max++;
-	return names[max-1];
-}
-
-ViewStyle::ViewStyle() {
-	Init();
-}
-
-ViewStyle::ViewStyle(const ViewStyle &source) {
-	Init();
-	for (unsigned int sty=0;sty<(sizeof(styles)/sizeof(styles[0]));sty++) {
-		styles[sty] = source.styles[sty];
-		// Can't just copy fontname as its lifetime is relative to its owning ViewStyle
-		styles[sty].fontName = fontNames.Save(source.styles[sty].fontName);
-	}
-	for (int mrk=0;mrk<=MARKER_MAX;mrk++) {
-		markers[mrk] = source.markers[mrk];
-	}
-	for (int ind=0;ind<=INDIC_MAX;ind++) {
-		indicators[ind] = source.indicators[ind];
-	}
-	
-	selforeset = source.selforeset;
-	selforeground.desired = source.selforeground.desired;
-	selbackset = source.selbackset;
-	selbackground.desired = source.selbackground.desired;
-	selbar.desired = source.selbar.desired;
-	selbarlight.desired = source.selbarlight.desired;
-	caretcolour.desired = source.caretcolour.desired;
-	edgecolour.desired = source.edgecolour.desired;
-	leftMarginWidth = source.leftMarginWidth;
-	rightMarginWidth = source.rightMarginWidth;
-	for (int i=0;i < margins; i++) {
-		ms[i] = source.ms[i];
-	}
-	symbolMargin = source.symbolMargin;
-	maskInLine = source.maskInLine;
-	fixedColumnWidth = source.fixedColumnWidth;
-	zoomLevel = source.zoomLevel;
-	viewWhitespace = source.viewWhitespace;
-	viewEOL = source.viewEOL;
-	showMarkedLines = source.showMarkedLines;		
-}
-
-ViewStyle::~ViewStyle() {
-}
-
-void ViewStyle::Init() {
-	fontNames.Clear();
-	
-	indicators[0].style = INDIC_SQUIGGLE;
-	indicators[0].fore = Colour(0, 0x7f, 0);
-	indicators[1].style = INDIC_TT;
-	indicators[1].fore = Colour(0, 0, 0xff);
-	indicators[2].style = INDIC_PLAIN;
-	indicators[2].fore = Colour(0xff, 0, 0);
-
-	lineHeight = 1;
-	maxAscent = 1;
-	maxDescent = 1;
-	aveCharWidth = 8;
-	spaceWidth = 8;
-
-	selforeset = false;
-	selforeground.desired = Colour(0xff, 0, 0);
-	selbackset = true;
-	selbackground.desired = Colour(0xc0, 0xc0, 0xc0);
-	selbar.desired = Platform::Chrome();
-	selbarlight.desired = Platform::ChromeHighlight();
-	styles[STYLE_LINENUMBER].fore.desired = Colour(0, 0, 0);
-	styles[STYLE_LINENUMBER].back.desired = Platform::Chrome();
-	//caretcolour.desired = Colour(0xff, 0, 0);
-	caretcolour.desired = Colour(0, 0, 0);
-	edgecolour.desired = Colour(0xc0, 0xc0, 0xc0);
-	
-	leftMarginWidth = 1;
-	rightMarginWidth = 1;
-	ms[0].symbol = false;
-	ms[0].width = 0;
-	ms[0].mask = 0;
-	ms[1].symbol = true;
-	ms[1].width = 16;
-	ms[1].mask = ~SC_MASK_FOLDERS;
-	ms[2].symbol = true;
-	ms[2].width = 14;	// Nice width for arrows
-	ms[2].mask = SC_MASK_FOLDERS;
-	ms[2].width = 0;	// Nice width for arrows
-	ms[2].mask = 0;
-	fixedColumnWidth = leftMarginWidth;
-	symbolMargin = false;
-	maskInLine = 0xffffffff;
-	for (int margin=0; margin < margins; margin++) {
-		fixedColumnWidth += ms[margin].width;
-		symbolMargin = symbolMargin || ms[margin].symbol;
-		if (ms[margin].width > 0)
-			maskInLine &= ~ms[margin].mask;
-	}
-	zoomLevel = 0;
-	viewWhitespace = false;
-	viewEOL = false;
-	showMarkedLines = true;
-}
-
-void ViewStyle::RefreshColourPalette(Palette &pal, bool want) {
-	unsigned int i;
-	for (i=0;i<(sizeof(styles)/sizeof(styles[0]));i++) {
-		pal.WantFind(styles[i].fore, want);
-		pal.WantFind(styles[i].back, want);
-	}
-	for (i=0;i<(sizeof(indicators)/sizeof(indicators[0]));i++) {
-		pal.WantFind(indicators[i].fore, want);
-	}
-	for (i=0;i<(sizeof(markers)/sizeof(markers[0]));i++) {
-		pal.WantFind(markers[i].fore, want);
-		pal.WantFind(markers[i].back, want);
-	}
-	pal.WantFind(selforeground, want);
-	pal.WantFind(selbackground, want);
-	pal.WantFind(selbar, want);
-	pal.WantFind(selbarlight, want);
-	pal.WantFind(caretcolour, want);
-	pal.WantFind(edgecolour, want);
-}
-
-void ViewStyle::Refresh(Surface &surface) {
-	selbar.desired = Platform::Chrome();
-	selbarlight.desired = Platform::ChromeHighlight();
-	styles[STYLE_DEFAULT].Realise(surface, zoomLevel);
-	maxAscent = styles[STYLE_DEFAULT].ascent;
-	maxDescent = styles[STYLE_DEFAULT].descent;
-	for (unsigned int i=0;i<(sizeof(styles)/sizeof(styles[0]));i++) {
-		if (i != STYLE_DEFAULT) {
-			styles[i].Realise(surface, zoomLevel, &styles[STYLE_DEFAULT]);
-			if (maxAscent < styles[i].ascent)
-				maxAscent = styles[i].ascent;
-			if (maxDescent < styles[i].descent)
-				maxDescent = styles[i].descent;
-		}
-	}
-	
-	lineHeight = maxAscent + maxDescent;
-	aveCharWidth = styles[STYLE_DEFAULT].aveCharWidth;
-	spaceWidth = styles[STYLE_DEFAULT].spaceWidth;
-
-	fixedColumnWidth = leftMarginWidth;
-	symbolMargin = false;
-	maskInLine = 0xffffffff;
-	for (int margin=0; margin < margins; margin++) {
-		fixedColumnWidth += ms[margin].width;
-		symbolMargin = symbolMargin || ms[margin].symbol;
-		if (ms[margin].width > 0)
-			maskInLine &= ~ms[margin].mask;
-	}
-}
-
-void ViewStyle::ResetDefaultStyle() {
-	styles[STYLE_DEFAULT].Clear(Colour(0,0,0), Colour(0xff,0xff,0xff),
-	        Platform::DefaultFontSize(), fontNames.Save(Platform::DefaultFont()),
-		false, false, false);
-}
-
-void ViewStyle::ClearStyles() {
-	// Reset all styles to be like the default style
-	for (unsigned int i=0;i<(sizeof(styles)/sizeof(styles[0]));i++) {
-		if (i != STYLE_DEFAULT) {
-			styles[i].Clear(
-				styles[STYLE_DEFAULT].fore.desired, 
-				styles[STYLE_DEFAULT].back.desired, 
-				styles[STYLE_DEFAULT].size, 
-				styles[STYLE_DEFAULT].fontName, 
-				styles[STYLE_DEFAULT].bold, 
-				styles[STYLE_DEFAULT].italic,
-				styles[STYLE_DEFAULT].eolFilled);
-		}
-	}
-	styles[STYLE_LINENUMBER].back.desired = Platform::Chrome();
-}
-
-void ViewStyle::SetStyleFontName(int styleIndex, const char *name) {
-	styles[styleIndex].fontName = fontNames.Save(name);
-}
+// Scintilla source code edit control
+// ViewStyle.cxx - store information on how the document is to be viewed
+// Copyright 1998-2000 by Neil Hodgson <neilh@scintilla.org>
+// The License.txt file describes the conditions under which this software may be distributed.
+
+#include <string.h>
+
+#include "Platform.h"
+
+#include "Scintilla.h"
+#include "Indicator.h"
+#include "LineMarker.h"
+#include "Style.h"
+#include "ViewStyle.h"
+
+MarginStyle::MarginStyle() : 
+	symbol(false), width(16), mask(0xffffffff), sensitive(false) {
+}
+
+// A list of the fontnames - avoids wasting space in each style
+FontNames::FontNames() {
+	max = 0;
+}
+
+FontNames::~FontNames() {
+	Clear();
+}
+
+void FontNames::Clear() {
+	for (int i=0;i<max;i++) {
+		delete []names[i];
+	}
+	max = 0;
+}
+
+const char *FontNames::Save(const char *name) {
+	if (!name)
+		return 0;
+	for (int i=0;i<max;i++) {
+		if (strcmp(names[i], name) == 0) {
+			return names[i];
+		}
+	}
+	names[max] = new char[strlen(name) + 1];
+	strcpy(names[max], name);
+	max++;
+	return names[max-1];
+}
+
+ViewStyle::ViewStyle() {
+	Init();
+}
+
+ViewStyle::ViewStyle(const ViewStyle &source) {
+	Init();
+	for (unsigned int sty=0;sty<(sizeof(styles)/sizeof(styles[0]));sty++) {
+		styles[sty] = source.styles[sty];
+		// Can't just copy fontname as its lifetime is relative to its owning ViewStyle
+		styles[sty].fontName = fontNames.Save(source.styles[sty].fontName);
+	}
+	for (int mrk=0;mrk<=MARKER_MAX;mrk++) {
+		markers[mrk] = source.markers[mrk];
+	}
+	for (int ind=0;ind<=INDIC_MAX;ind++) {
+		indicators[ind] = source.indicators[ind];
+	}
+	
+	selforeset = source.selforeset;
+	selforeground.desired = source.selforeground.desired;
+	selbackset = source.selbackset;
+	selbackground.desired = source.selbackground.desired;
+	selbar.desired = source.selbar.desired;
+	selbarlight.desired = source.selbarlight.desired;
+	caretcolour.desired = source.caretcolour.desired;
+	edgecolour.desired = source.edgecolour.desired;
+	leftMarginWidth = source.leftMarginWidth;
+	rightMarginWidth = source.rightMarginWidth;
+	for (int i=0;i < margins; i++) {
+		ms[i] = source.ms[i];
+	}
+	symbolMargin = source.symbolMargin;
+	maskInLine = source.maskInLine;
+	fixedColumnWidth = source.fixedColumnWidth;
+	zoomLevel = source.zoomLevel;
+	viewWhitespace = source.viewWhitespace;
+	viewEOL = source.viewEOL;
+	showMarkedLines = source.showMarkedLines;		
+}
+
+ViewStyle::~ViewStyle() {
+}
+
+void ViewStyle::Init() {
+	fontNames.Clear();
+	ResetDefaultStyle();
+	
+	indicators[0].style = INDIC_SQUIGGLE;
+	indicators[0].fore = Colour(0, 0x7f, 0);
+	indicators[1].style = INDIC_TT;
+	indicators[1].fore = Colour(0, 0, 0xff);
+	indicators[2].style = INDIC_PLAIN;
+	indicators[2].fore = Colour(0xff, 0, 0);
+
+	lineHeight = 1;
+	maxAscent = 1;
+	maxDescent = 1;
+	aveCharWidth = 8;
+	spaceWidth = 8;
+
+	selforeset = false;
+	selforeground.desired = Colour(0xff, 0, 0);
+	selbackset = true;
+	selbackground.desired = Colour(0xc0, 0xc0, 0xc0);
+	selbar.desired = Platform::Chrome();
+	selbarlight.desired = Platform::ChromeHighlight();
+	styles[STYLE_LINENUMBER].fore.desired = Colour(0, 0, 0);
+	styles[STYLE_LINENUMBER].back.desired = Platform::Chrome();
+	//caretcolour.desired = Colour(0xff, 0, 0);
+	caretcolour.desired = Colour(0, 0, 0);
+	edgecolour.desired = Colour(0xc0, 0xc0, 0xc0);
+	
+	leftMarginWidth = 1;
+	rightMarginWidth = 1;
+	ms[0].symbol = false;
+	ms[0].width = 0;
+	ms[0].mask = 0;
+	ms[1].symbol = true;
+	ms[1].width = 16;
+	ms[1].mask = ~SC_MASK_FOLDERS;
+	ms[2].symbol = true;
+	ms[2].width = 14;	// Nice width for arrows
+	ms[2].mask = SC_MASK_FOLDERS;
+	ms[2].width = 0;	// Nice width for arrows
+	ms[2].mask = 0;
+	fixedColumnWidth = leftMarginWidth;
+	symbolMargin = false;
+	maskInLine = 0xffffffff;
+	for (int margin=0; margin < margins; margin++) {
+		fixedColumnWidth += ms[margin].width;
+		symbolMargin = symbolMargin || ms[margin].symbol;
+		if (ms[margin].width > 0)
+			maskInLine &= ~ms[margin].mask;
+	}
+	zoomLevel = 0;
+	viewWhitespace = false;
+	viewEOL = false;
+	showMarkedLines = true;
+}
+
+void ViewStyle::RefreshColourPalette(Palette &pal, bool want) {
+	unsigned int i;
+	for (i=0;i<(sizeof(styles)/sizeof(styles[0]));i++) {
+		pal.WantFind(styles[i].fore, want);
+		pal.WantFind(styles[i].back, want);
+	}
+	for (i=0;i<(sizeof(indicators)/sizeof(indicators[0]));i++) {
+		pal.WantFind(indicators[i].fore, want);
+	}
+	for (i=0;i<(sizeof(markers)/sizeof(markers[0]));i++) {
+		pal.WantFind(markers[i].fore, want);
+		pal.WantFind(markers[i].back, want);
+	}
+	pal.WantFind(selforeground, want);
+	pal.WantFind(selbackground, want);
+	pal.WantFind(selbar, want);
+	pal.WantFind(selbarlight, want);
+	pal.WantFind(caretcolour, want);
+	pal.WantFind(edgecolour, want);
+}
+
+void ViewStyle::Refresh(Surface &surface) {
+	selbar.desired = Platform::Chrome();
+	selbarlight.desired = Platform::ChromeHighlight();
+	styles[STYLE_DEFAULT].Realise(surface, zoomLevel);
+	maxAscent = styles[STYLE_DEFAULT].ascent;
+	maxDescent = styles[STYLE_DEFAULT].descent;
+	for (unsigned int i=0;i<(sizeof(styles)/sizeof(styles[0]));i++) {
+		if (i != STYLE_DEFAULT) {
+			styles[i].Realise(surface, zoomLevel, &styles[STYLE_DEFAULT]);
+			if (maxAscent < styles[i].ascent)
+				maxAscent = styles[i].ascent;
+			if (maxDescent < styles[i].descent)
+				maxDescent = styles[i].descent;
+		}
+	}
+	
+	lineHeight = maxAscent + maxDescent;
+	aveCharWidth = styles[STYLE_DEFAULT].aveCharWidth;
+	spaceWidth = styles[STYLE_DEFAULT].spaceWidth;
+
+	fixedColumnWidth = leftMarginWidth;
+	symbolMargin = false;
+	maskInLine = 0xffffffff;
+	for (int margin=0; margin < margins; margin++) {
+		fixedColumnWidth += ms[margin].width;
+		symbolMargin = symbolMargin || ms[margin].symbol;
+		if (ms[margin].width > 0)
+			maskInLine &= ~ms[margin].mask;
+	}
+}
+
+void ViewStyle::ResetDefaultStyle() {
+	styles[STYLE_DEFAULT].Clear(Colour(0,0,0), Colour(0xff,0xff,0xff),
+	        Platform::DefaultFontSize(), fontNames.Save(Platform::DefaultFont()),
+		false, false, false);
+}
+
+void ViewStyle::ClearStyles() {
+	// Reset all styles to be like the default style
+	for (unsigned int i=0;i<(sizeof(styles)/sizeof(styles[0]));i++) {
+		if (i != STYLE_DEFAULT) {
+			styles[i].Clear(
+				styles[STYLE_DEFAULT].fore.desired, 
+				styles[STYLE_DEFAULT].back.desired, 
+				styles[STYLE_DEFAULT].size, 
+				styles[STYLE_DEFAULT].fontName, 
+				styles[STYLE_DEFAULT].bold, 
+				styles[STYLE_DEFAULT].italic,
+				styles[STYLE_DEFAULT].eolFilled);
+		}
+	}
+	styles[STYLE_LINENUMBER].back.desired = Platform::Chrome();
+}
+
+void ViewStyle::SetStyleFontName(int styleIndex, const char *name) {
+	styles[styleIndex].fontName = fontNames.Save(name);
+}
-- 
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