diff options
Diffstat (limited to 'scintilla/src/Decoration.cxx')
| -rw-r--r-- | scintilla/src/Decoration.cxx | 188 |
1 files changed, 188 insertions, 0 deletions
diff --git a/scintilla/src/Decoration.cxx b/scintilla/src/Decoration.cxx new file mode 100644 index 0000000..cb84e26 --- /dev/null +++ b/scintilla/src/Decoration.cxx @@ -0,0 +1,188 @@ +/** @file Decoration.cxx
+ ** Visual elements added over text.
+ **/
+// Copyright 1998-2007 by Neil Hodgson <neilh@scintilla.org>
+// The License.txt file describes the conditions under which this software may be distributed.
+
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+#include <stdarg.h>
+
+#include "Platform.h"
+
+#include "Scintilla.h"
+#include "SplitVector.h"
+#include "Partitioning.h"
+#include "RunStyles.h"
+#include "Decoration.h"
+
+#ifdef SCI_NAMESPACE
+using namespace Scintilla;
+#endif
+
+Decoration::Decoration(int indicator_) : next(0), indicator(indicator_) {
+}
+
+Decoration::~Decoration() {
+}
+
+bool Decoration::Empty() {
+ return rs.starts->Partitions() == 1;
+}
+
+DecorationList::DecorationList() : currentIndicator(0), currentValue(1), current(0),
+ lengthDocument(0), root(0), clickNotified(false) {
+}
+
+DecorationList::~DecorationList() {
+ Decoration *deco = root;
+ while (deco) {
+ Decoration *decoNext = deco->next;
+ delete deco;
+ deco = decoNext;
+ }
+ root = 0;
+ current = 0;
+}
+
+Decoration *DecorationList::DecorationFromIndicator(int indicator) {
+ for (Decoration *deco=root; deco; deco = deco->next) {
+ if (deco->indicator == indicator) {
+ return deco;
+ }
+ }
+ return 0;
+}
+
+Decoration *DecorationList::Create(int indicator, int length) {
+ currentIndicator = indicator;
+ Decoration *decoNew = new Decoration(indicator);
+ decoNew->rs.InsertSpace(0, length);
+
+ Decoration *decoPrev = 0;
+ Decoration *deco = root;
+
+ while (deco && (deco->indicator < indicator)) {
+ decoPrev = deco;
+ deco = deco->next;
+ }
+ if (decoPrev == 0) {
+ decoNew->next = root;
+ root = decoNew;
+ } else {
+ decoNew->next = deco;
+ decoPrev->next = decoNew;
+ }
+ return decoNew;
+}
+
+void DecorationList::Delete(int indicator) {
+ Decoration *decoToDelete = 0;
+ if (root) {
+ if (root->indicator == indicator) {
+ decoToDelete = root;
+ root = root->next;
+ } else {
+ Decoration *deco=root;
+ while (deco->next && !decoToDelete) {
+ if (deco->next && deco->next->indicator == indicator) {
+ decoToDelete = deco->next;
+ deco->next = decoToDelete->next;
+ } else {
+ deco = deco->next;
+ }
+ }
+ }
+ }
+ if (decoToDelete) {
+ delete decoToDelete;
+ current = 0;
+ }
+}
+
+void DecorationList::SetCurrentIndicator(int indicator) {
+ currentIndicator = indicator;
+ current = DecorationFromIndicator(indicator);
+ currentValue = 1;
+}
+
+void DecorationList::SetCurrentValue(int value) {
+ currentValue = value ? value : 1;
+}
+
+bool DecorationList::FillRange(int &position, int value, int &fillLength) {
+ if (!current) {
+ current = DecorationFromIndicator(currentIndicator);
+ if (!current) {
+ current = Create(currentIndicator, lengthDocument);
+ }
+ }
+ bool changed = current->rs.FillRange(position, value, fillLength);
+ if (current->Empty()) {
+ Delete(currentIndicator);
+ }
+ return changed;
+}
+
+void DecorationList::InsertSpace(int position, int insertLength) {
+ lengthDocument += insertLength;
+ for (Decoration *deco=root; deco; deco = deco->next) {
+ deco->rs.InsertSpace(position, insertLength);
+ }
+}
+
+void DecorationList::DeleteRange(int position, int deleteLength) {
+ lengthDocument -= deleteLength;
+ Decoration *deco;
+ for (deco=root; deco; deco = deco->next) {
+ deco->rs.DeleteRange(position, deleteLength);
+ }
+ DeleteAnyEmpty();
+}
+
+void DecorationList::DeleteAnyEmpty() {
+ Decoration *deco = root;
+ while (deco) {
+ if (deco->Empty()) {
+ Delete(deco->indicator);
+ deco = root;
+ } else {
+ deco = deco->next;
+ }
+ }
+}
+
+int DecorationList::AllOnFor(int position) {
+ int mask = 0;
+ for (Decoration *deco=root; deco; deco = deco->next) {
+ if (deco->rs.ValueAt(position)) {
+ mask |= 1 << deco->indicator;
+ }
+ }
+ return mask;
+}
+
+int DecorationList::ValueAt(int indicator, int position) {
+ Decoration *deco = DecorationFromIndicator(indicator);
+ if (deco) {
+ return deco->rs.ValueAt(position);
+ }
+ return 0;
+}
+
+int DecorationList::Start(int indicator, int position) {
+ Decoration *deco = DecorationFromIndicator(indicator);
+ if (deco) {
+ return deco->rs.StartRun(position);
+ }
+ return 0;
+}
+
+int DecorationList::End(int indicator, int position) {
+ Decoration *deco = DecorationFromIndicator(indicator);
+ if (deco) {
+ return deco->rs.EndRun(position);
+ }
+ return 0;
+}
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