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Viewing changes to scintilla/Decoration.cxx

  • Committer: Bazaar Package Importer
  • Author(s): Damián Viano
  • Date: 2008-05-02 11:37:45 UTC
  • mfrom: (1.2.1 upstream) (9 hardy)
  • mto: (3.2.1 squeeze)
  • mto: This revision was merged to the branch mainline in revision 12.
  • Revision ID: james.westby@ubuntu.com-20080502113745-xzp4g6dmovrpoj17
Tags: 0.14-1
http://bugs.debian.org/478126
New upstream release (Closes: #478126)

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scintilla/Decoration.cxx
 
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/** @file Decoration.cxx
 
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 ** Visual elements added over text.
 
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 **/
 
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// Copyright 1998-2007 by Neil Hodgson <neilh@scintilla.org>
 
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// The License.txt file describes the conditions under which this software may be distributed.
 
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#include <stdio.h>
 
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#include <string.h>
 
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#include <stdlib.h>
 
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#include <stdarg.h>
 
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#include "Platform.h"
 
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#include "Scintilla.h"
 
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#include "SplitVector.h"
 
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#include "Partitioning.h"
 
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#include "RunStyles.h"
 
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#include "Decoration.h"
 
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#ifdef SCI_NAMESPACE
 
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using namespace Scintilla;
 
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#endif
 
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Decoration::Decoration(int indicator_) : next(0), indicator(indicator_) {
 
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}
 
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Decoration::~Decoration() {
 
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}
 
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bool Decoration::Empty() {
 
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        return rs.starts->Partitions() == 1;
 
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}
 
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DecorationList::DecorationList() : currentIndicator(0), currentValue(1), current(0),
 
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        lengthDocument(0), root(0), clickNotified(false) {
 
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}
 
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DecorationList::~DecorationList() {
 
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        Decoration *deco = root;
 
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        while (deco) {
 
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                Decoration *decoNext = deco->next;
 
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                delete deco;
 
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                deco = decoNext;
 
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        }
 
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        root = 0;
 
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        current = 0;
 
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}
 
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Decoration *DecorationList::DecorationFromIndicator(int indicator) {
 
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        for (Decoration *deco=root; deco; deco = deco->next) {
 
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                if (deco->indicator == indicator) {
 
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                        return deco;
 
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                }
 
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        }
 
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        return 0;
 
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}
 
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Decoration *DecorationList::Create(int indicator, int length) {
 
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        currentIndicator = indicator;
 
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        Decoration *decoNew = new Decoration(indicator);
 
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        decoNew->rs.InsertSpace(0, length);
 
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        Decoration *decoPrev = 0;
 
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        Decoration *deco = root;
 
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        while (deco && (deco->indicator < indicator)) {
 
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                decoPrev = deco;
 
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                deco = deco->next;
 
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        }
 
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        if (decoPrev == 0) {
 
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                decoNew->next = root;
 
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                root = decoNew;
 
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        } else {
 
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                decoNew->next = deco;
 
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                decoPrev->next = decoNew;
 
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        }
 
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        return decoNew;
 
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}
 
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void DecorationList::Delete(int indicator) {
 
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        Decoration *decoToDelete = 0;
 
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        if (root) {
 
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                if (root->indicator == indicator) {
 
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                        decoToDelete = root;
 
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                        root = root->next;
 
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                } else {
 
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                        Decoration *deco=root;
 
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                        while (deco->next && !decoToDelete) {
 
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                                if (deco->next && deco->next->indicator == indicator) {
 
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                                        decoToDelete = deco->next;
 
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                                        deco->next = decoToDelete->next;
 
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                                } else {
 
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                                        deco = deco->next;
 
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                                }
 
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                        }
 
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                }
 
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        }
 
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        if (decoToDelete) {
 
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                delete decoToDelete;
 
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                current = 0;
 
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        }
 
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}
 
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void DecorationList::SetCurrentIndicator(int indicator) {
 
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        currentIndicator = indicator;
 
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        current = DecorationFromIndicator(indicator);
 
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        currentValue = 1;
 
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}
 
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void DecorationList::SetCurrentValue(int value) {
 
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        currentValue = value ? value : 1;
 
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}
 
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bool DecorationList::FillRange(int &position, int value, int &fillLength) {
 
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        if (!current) {
 
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                current = DecorationFromIndicator(currentIndicator);
 
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                if (!current) {
 
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                        current = Create(currentIndicator, lengthDocument);
 
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                }
 
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        }
 
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        bool changed = current->rs.FillRange(position, value, fillLength);
 
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        if (current->Empty()) {
 
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                Delete(currentIndicator);
 
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        }
 
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        return changed;
 
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}
 
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void DecorationList::InsertSpace(int position, int insertLength) {
 
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        lengthDocument += insertLength;
 
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        for (Decoration *deco=root; deco; deco = deco->next) {
 
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                deco->rs.InsertSpace(position, insertLength);
 
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        }
 
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}
 
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void DecorationList::DeleteRange(int position, int deleteLength) {
 
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        lengthDocument -= deleteLength;
 
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        Decoration *deco;
 
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        for (deco=root; deco; deco = deco->next) {
 
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                deco->rs.DeleteRange(position, deleteLength);
 
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        }
 
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        DeleteAnyEmpty();
 
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}
 
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void DecorationList::DeleteAnyEmpty() {
 
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        Decoration *deco = root;
 
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        while (deco) {
 
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                if (deco->Empty()) {
 
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                        Delete(deco->indicator);
 
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                        deco = root;
 
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                } else {
 
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                        deco = deco->next;
 
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                }
 
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        }
 
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}
 
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int DecorationList::AllOnFor(int position) {
 
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        int mask = 0;
 
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        for (Decoration *deco=root; deco; deco = deco->next) {
 
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                if (deco->rs.ValueAt(position)) {
 
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                        mask |= 1 << deco->indicator;
 
161
                }
 
162
        }
 
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        return mask;
 
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}
 
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int DecorationList::ValueAt(int indicator, int position) {
 
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        Decoration *deco = DecorationFromIndicator(indicator);
 
168
        if (deco) {
 
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                return deco->rs.ValueAt(position);
 
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        }
 
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        return 0;
 
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}
 
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int DecorationList::Start(int indicator, int position) {
 
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        Decoration *deco = DecorationFromIndicator(indicator);
 
176
        if (deco) {
 
177
                return deco->rs.StartRun(position);
 
178
        }
 
179
        return 0;
 
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}
 
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int DecorationList::End(int indicator, int position) {
 
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        Decoration *deco = DecorationFromIndicator(indicator);
 
184
        if (deco) {
 
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                return deco->rs.EndRun(position);
 
186
        }
 
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        return 0;
 
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}