1 // Scintilla source code edit control
2 /** @file ViewStyle.cxx
3 ** Store information on how the document is to be viewed.
4 **/
5 // Copyright 1998-2003 by Neil Hodgson <neilh@scintilla.org>
6 // The License.txt file describes the conditions under which this software may be distributed.
7
8 #include <string.h>
9
10 #include "Platform.h"
11
12 #include "Scintilla.h"
13 #include "Indicator.h"
14 #include "XPM.h"
15 #include "LineMarker.h"
16 #include "Style.h"
17 #include "ViewStyle.h"
18
MarginStyle()19 MarginStyle::MarginStyle() :
20 style(SC_MARGIN_SYMBOL), width(0), mask(0), sensitive(false) {
21 }
22
23 // A list of the fontnames - avoids wasting space in each style
FontNames()24 FontNames::FontNames() {
25 max = 0;
26 }
27
~FontNames()28 FontNames::~FontNames() {
29 Clear();
30 }
31
Clear()32 void FontNames::Clear() {
33 for (int i=0;i<max;i++) {
34 delete []names[i];
35 }
36 max = 0;
37 }
38
Save(const char * name)39 const char *FontNames::Save(const char *name) {
40 if (!name)
41 return 0;
42 for (int i=0;i<max;i++) {
43 if (strcmp(names[i], name) == 0) {
44 return names[i];
45 }
46 }
47 names[max] = new char[strlen(name) + 1];
48 strcpy(names[max], name);
49 max++;
50 return names[max-1];
51 }
52
ViewStyle()53 ViewStyle::ViewStyle() {
54 Init();
55 }
56
ViewStyle(const ViewStyle & source)57 ViewStyle::ViewStyle(const ViewStyle &source) {
58 Init();
59 for (unsigned int sty=0;sty<(sizeof(styles)/sizeof(styles[0]));sty++) {
60 styles[sty] = source.styles[sty];
61 // Can't just copy fontname as its lifetime is relative to its owning ViewStyle
62 styles[sty].fontName = fontNames.Save(source.styles[sty].fontName);
63 }
64 for (int mrk=0;mrk<=MARKER_MAX;mrk++) {
65 markers[mrk] = source.markers[mrk];
66 }
67 for (int ind=0;ind<=INDIC_MAX;ind++) {
68 indicators[ind] = source.indicators[ind];
69 }
70
71 selforeset = source.selforeset;
72 selforeground.desired = source.selforeground.desired;
73 selbackset = source.selbackset;
74 selbackground.desired = source.selbackground.desired;
75 selbackground2.desired = source.selbackground2.desired;
76 selAlpha = source.selAlpha;
77
78 foldmarginColourSet = source.foldmarginColourSet;
79 foldmarginColour.desired = source.foldmarginColour.desired;
80 foldmarginHighlightColourSet = source.foldmarginHighlightColourSet;
81 foldmarginHighlightColour.desired = source.foldmarginHighlightColour.desired;
82
83 hotspotForegroundSet = source.hotspotForegroundSet;
84 hotspotForeground.desired = source.hotspotForeground.desired;
85 hotspotBackgroundSet = source.hotspotBackgroundSet;
86 hotspotBackground.desired = source.hotspotBackground.desired;
87 hotspotUnderline = source.hotspotUnderline;
88 hotspotSingleLine = source.hotspotSingleLine;
89
90 whitespaceForegroundSet = source.whitespaceForegroundSet;
91 whitespaceForeground.desired = source.whitespaceForeground.desired;
92 whitespaceBackgroundSet = source.whitespaceBackgroundSet;
93 whitespaceBackground.desired = source.whitespaceBackground.desired;
94 selbar.desired = source.selbar.desired;
95 selbarlight.desired = source.selbarlight.desired;
96 caretcolour.desired = source.caretcolour.desired;
97 showCaretLineBackground = source.showCaretLineBackground;
98 caretLineBackground.desired = source.caretLineBackground.desired;
99 caretLineAlpha = source.caretLineAlpha;
100 edgecolour.desired = source.edgecolour.desired;
101 edgeState = source.edgeState;
102 caretWidth = source.caretWidth;
103 someStylesProtected = false;
104 leftMarginWidth = source.leftMarginWidth;
105 rightMarginWidth = source.rightMarginWidth;
106 for (int i=0;i < margins; i++) {
107 ms[i] = source.ms[i];
108 }
109 symbolMargin = source.symbolMargin;
110 maskInLine = source.maskInLine;
111 fixedColumnWidth = source.fixedColumnWidth;
112 zoomLevel = source.zoomLevel;
113 viewWhitespace = source.viewWhitespace;
114 viewIndentationGuides = source.viewIndentationGuides;
115 viewEOL = source.viewEOL;
116 showMarkedLines = source.showMarkedLines;
117 extraFontFlag = source.extraFontFlag;
118 }
119
~ViewStyle()120 ViewStyle::~ViewStyle() {
121 }
122
Init()123 void ViewStyle::Init() {
124 fontNames.Clear();
125 ResetDefaultStyle();
126
127 indicators[0].style = INDIC_SQUIGGLE;
128 indicators[0].fore = ColourDesired(0, 0x7f, 0);
129 indicators[1].style = INDIC_TT;
130 indicators[1].fore = ColourDesired(0, 0, 0xff);
131 indicators[2].style = INDIC_PLAIN;
132 indicators[2].fore = ColourDesired(0xff, 0, 0);
133
134 lineHeight = 1;
135 maxAscent = 1;
136 maxDescent = 1;
137 aveCharWidth = 8;
138 spaceWidth = 8;
139
140 selforeset = false;
141 selforeground.desired = ColourDesired(0xff, 0, 0);
142 selbackset = true;
143 selbackground.desired = ColourDesired(0xc0, 0xc0, 0xc0);
144 selbackground2.desired = ColourDesired(0xb0, 0xb0, 0xb0);
145 selAlpha = SC_ALPHA_NOALPHA;
146
147 foldmarginColourSet = false;
148 foldmarginColour.desired = ColourDesired(0xff, 0, 0);
149 foldmarginHighlightColourSet = false;
150 foldmarginHighlightColour.desired = ColourDesired(0xc0, 0xc0, 0xc0);
151
152 whitespaceForegroundSet = false;
153 whitespaceForeground.desired = ColourDesired(0, 0, 0);
154 whitespaceBackgroundSet = false;
155 whitespaceBackground.desired = ColourDesired(0xff, 0xff, 0xff);
156 selbar.desired = Platform::Chrome();
157 selbarlight.desired = Platform::ChromeHighlight();
158 styles[STYLE_LINENUMBER].fore.desired = ColourDesired(0, 0, 0);
159 styles[STYLE_LINENUMBER].back.desired = Platform::Chrome();
160 caretcolour.desired = ColourDesired(0, 0, 0);
161 showCaretLineBackground = false;
162 caretLineBackground.desired = ColourDesired(0xff, 0xff, 0);
163 caretLineAlpha = SC_ALPHA_NOALPHA;
164 edgecolour.desired = ColourDesired(0xc0, 0xc0, 0xc0);
165 edgeState = EDGE_NONE;
166 caretWidth = 1;
167 someStylesProtected = false;
168
169 hotspotForegroundSet = false;
170 hotspotForeground.desired = ColourDesired(0, 0, 0xff);
171 hotspotBackgroundSet = false;
172 hotspotBackground.desired = ColourDesired(0xff, 0xff, 0xff);
173 hotspotUnderline = true;
174 hotspotSingleLine = true;
175
176 leftMarginWidth = 1;
177 rightMarginWidth = 1;
178 ms[0].style = SC_MARGIN_NUMBER;
179 ms[0].width = 0;
180 ms[0].mask = 0;
181 ms[1].style = SC_MARGIN_SYMBOL;
182 ms[1].width = 16;
183 ms[1].mask = ~SC_MASK_FOLDERS;
184 ms[2].style = SC_MARGIN_SYMBOL;
185 ms[2].width = 0;
186 ms[2].mask = 0;
187 fixedColumnWidth = leftMarginWidth;
188 symbolMargin = false;
189 maskInLine = 0xffffffff;
190 for (int margin=0; margin < margins; margin++) {
191 fixedColumnWidth += ms[margin].width;
192 symbolMargin = symbolMargin || (ms[margin].style != SC_MARGIN_NUMBER);
193 if (ms[margin].width > 0)
194 maskInLine &= ~ms[margin].mask;
195 }
196 zoomLevel = 0;
197 viewWhitespace = wsInvisible;
198 viewIndentationGuides = false;
199 viewEOL = false;
200 showMarkedLines = true;
201 extraFontFlag = false;
202 }
203
RefreshColourPalette(Palette & pal,bool want)204 void ViewStyle::RefreshColourPalette(Palette &pal, bool want) {
205 unsigned int i;
206 for (i=0;i<(sizeof(styles)/sizeof(styles[0]));i++) {
207 pal.WantFind(styles[i].fore, want);
208 pal.WantFind(styles[i].back, want);
209 }
210 for (i=0;i<(sizeof(indicators)/sizeof(indicators[0]));i++) {
211 pal.WantFind(indicators[i].fore, want);
212 }
213 for (i=0;i<(sizeof(markers)/sizeof(markers[0]));i++) {
214 markers[i].RefreshColourPalette(pal, want);
215 }
216 pal.WantFind(selforeground, want);
217 pal.WantFind(selbackground, want);
218 pal.WantFind(selbackground2, want);
219
220 pal.WantFind(foldmarginColour, want);
221 pal.WantFind(foldmarginHighlightColour, want);
222
223 pal.WantFind(whitespaceForeground, want);
224 pal.WantFind(whitespaceBackground, want);
225 pal.WantFind(selbar, want);
226 pal.WantFind(selbarlight, want);
227 pal.WantFind(caretcolour, want);
228 pal.WantFind(caretLineBackground, want);
229 pal.WantFind(edgecolour, want);
230 pal.WantFind(hotspotForeground, want);
231 pal.WantFind(hotspotBackground, want);
232 }
233
Refresh(Surface & surface)234 void ViewStyle::Refresh(Surface &surface) {
235 selbar.desired = Platform::Chrome();
236 selbarlight.desired = Platform::ChromeHighlight();
237 styles[STYLE_DEFAULT].Realise(surface, zoomLevel, NULL, extraFontFlag);
238 maxAscent = styles[STYLE_DEFAULT].ascent;
239 maxDescent = styles[STYLE_DEFAULT].descent;
240 someStylesProtected = false;
241 for (unsigned int i=0;i<(sizeof(styles)/sizeof(styles[0]));i++) {
242 if (i != STYLE_DEFAULT) {
243 styles[i].Realise(surface, zoomLevel, &styles[STYLE_DEFAULT], extraFontFlag);
244 if (maxAscent < styles[i].ascent)
245 maxAscent = styles[i].ascent;
246 if (maxDescent < styles[i].descent)
247 maxDescent = styles[i].descent;
248 }
249 if (styles[i].IsProtected()) {
250 someStylesProtected = true;
251 }
252 }
253
254 lineHeight = maxAscent + maxDescent;
255 aveCharWidth = styles[STYLE_DEFAULT].aveCharWidth;
256 spaceWidth = styles[STYLE_DEFAULT].spaceWidth;
257
258 fixedColumnWidth = leftMarginWidth;
259 symbolMargin = false;
260 maskInLine = 0xffffffff;
261 for (int margin=0; margin < margins; margin++) {
262 fixedColumnWidth += ms[margin].width;
263 symbolMargin = symbolMargin || (ms[margin].style != SC_MARGIN_NUMBER);
264 if (ms[margin].width > 0)
265 maskInLine &= ~ms[margin].mask;
266 }
267 }
268
ResetDefaultStyle()269 void ViewStyle::ResetDefaultStyle() {
270 styles[STYLE_DEFAULT].Clear(ColourDesired(0,0,0),
271 ColourDesired(0xff,0xff,0xff),
272 Platform::DefaultFontSize(), fontNames.Save(Platform::DefaultFont()),
273 SC_CHARSET_DEFAULT,
274 false, false, false, false, Style::caseMixed, true, true, false);
275 }
276
ClearStyles()277 void ViewStyle::ClearStyles() {
278 // Reset all styles to be like the default style
279 for (unsigned int i=0;i<(sizeof(styles)/sizeof(styles[0]));i++) {
280 if (i != STYLE_DEFAULT) {
281 styles[i].ClearTo(styles[STYLE_DEFAULT]);
282 }
283 }
284 styles[STYLE_LINENUMBER].back.desired = Platform::Chrome();
285
286 // Set call tip fore/back to match the values previously set for call tips
287 styles[STYLE_CALLTIP].back.desired = ColourDesired(0xff, 0xff, 0xff);
288 styles[STYLE_CALLTIP].fore.desired = ColourDesired(0x80, 0x80, 0x80);
289 }
290
SetStyleFontName(int styleIndex,const char * name)291 void ViewStyle::SetStyleFontName(int styleIndex, const char *name) {
292 styles[styleIndex].fontName = fontNames.Save(name);
293 }
294
ProtectionActive() const295 bool ViewStyle::ProtectionActive() const {
296 return someStylesProtected;
297 }
298