Gwen::Rect Text::GetCharacterPosition( int iChar )
{
if ( !m_Lines.empty() )
{
TextLines::iterator it = m_Lines.begin();
TextLines::iterator itEnd = m_Lines.end();
int iChars = 0;
while ( it != itEnd )
{
Text* pLine = *it;
++it;
iChars += pLine->Length();
if ( iChars <= iChar ) { continue; }
iChars -= pLine->Length();
Gwen::Rect rect = pLine->GetCharacterPosition( iChar - iChars );
rect.x += pLine->X();
rect.y += pLine->Y();
return rect;
}
}
if ( Length() == 0 || iChar == 0 )
{
Gwen::Point p = GetSkin()->GetRender()->MeasureText( GetFont(), L" " );
return Gwen::Rect( 1, 0, 0, p.y );
}
UnicodeString sub = m_String.GetUnicode().substr( 0, iChar );
Gwen::Point p = GetSkin()->GetRender()->MeasureText( GetFont(), sub );
return Rect( p.x, 0, 0, p.y );
}
/// Returns the size required by a call to RenderText if it were to be done now.
Vector2f TextFont::CalculateRenderSizeUnits(Text & text)
{
if (text.Length() < 1)
{
return Vector2f(scale[0], scale[1]);
}
// Set starting variables.
NewText(text);
// Go up to and include the NULL-sign!
for (int i = 0; i < text.ArraySize(); ++i)
{
currentCharIndex = i;
currentChar = text.c_str()[i];
if (currentChar == '\0')
{
EndText();
break;
}
nextChar = text.c_str()[i + 1];
if (EvaluateSpecialChar())
continue;
StartChar();
// RenderChar();
EndChar();
lastChar = currentChar;
}
return Vector2f (maxRowSizeX, AbsoluteValue(pivotPoint.y));
}
int Text::GetClosestCharacter( Gwen::Point p )
{
if ( !m_Lines.empty() )
{
TextLines::iterator it = m_Lines.begin();
TextLines::iterator itEnd = m_Lines.end();
int iChars = 0;
while ( it != itEnd )
{
Text* pLine = *it;
++it;
iChars += pLine->Length();
if ( p.y < pLine->Y() ) continue;
if ( p.y > pLine->Bottom() ) continue;
iChars -= pLine->Length();
int iLinePos = pLine->GetClosestCharacter( Gwen::Point( p.x - pLine->X(), p.y - pLine->Y() ) );
//if ( iLinePos > 0 && iLinePos == pLine->Length() ) iLinePos--;
iLinePos--;
return iChars + iLinePos;
}
}
int iDistance = 4096;
int iChar = 0;
for ( size_t i=0; i<m_String.GetUnicode().length()+1; i++ )
{
Gwen::Rect cp = GetCharacterPosition( i );
int iDist = abs(cp.x - p.x) + abs(cp.y - p.y); // this isn't proper
if ( iDist > iDistance ) continue;
iDistance = iDist;
iChar = i;
}
return iChar;
}
int Text::GetEndCharFromLine( int i )
{
int iStart = GetStartCharFromLine( i );
Text* iLine = GetLine( i );
if ( iLine )
{
iStart += iLine->Length();
}
return Gwen::Clamp( iStart, 0, Length() );
}
int Text::GetStartCharFromLine( int i )
{
TextLines::iterator it = m_Lines.begin();
TextLines::iterator itEnd = m_Lines.end();
int iChars = 0;
while ( it != itEnd )
{
Text* pLine = *it;
++it;
if ( i == 0 ) return Gwen::Clamp( iChars, 0, Length() );
iChars += pLine->Length();
i--;
}
return Gwen::Clamp( iChars, 0, Length() );
}
Text KeyCompositionManager::GetComposedKeySym(const Text &t, bool &continueComposing)
{
Text *tt = (Text *)&t;
for (int i=0; i<paths->Count(); i++) {
Text &pathComposition = (*paths)[i]->Composition();
if (pathComposition.StartsWith(t) && pathComposition.Length() > tt->Length()) {
continueComposing = true;
return "";
} else if (pathComposition == t) {
continueComposing = false;
return (*paths)[i]->Result();
}
}
continueComposing = false;
return t;
}
int Text::GetLineFromChar( int i )
{
TextLines::iterator it = m_Lines.begin();
TextLines::iterator itEnd = m_Lines.end();
int iChars = 0;
int iLine = 0;
while ( it != itEnd )
{
Text* pLine = *it;
++it;
iChars += pLine->Length();
if ( iChars > i ) return iLine;
iLine++;
}
return iLine;
}
already_AddRefed<XPathResult>
XPathExpression::EvaluateWithContext(nsINode& aContextNode,
uint32_t aContextPosition,
uint32_t aContextSize,
uint16_t aType,
XPathResult* aInResult,
ErrorResult& aRv)
{
if (aContextPosition > aContextSize) {
aRv.Throw(NS_ERROR_FAILURE);
return nullptr;
}
if (aType > XPathResult_Binding::FIRST_ORDERED_NODE_TYPE) {
aRv.Throw(NS_ERROR_DOM_NOT_SUPPORTED_ERR);
return nullptr;
}
if (!nsContentUtils::LegacyIsCallerNativeCode() &&
!nsContentUtils::CanCallerAccess(&aContextNode))
{
aRv.Throw(NS_ERROR_DOM_SECURITY_ERR);
return nullptr;
}
if (mCheckDocument) {
nsCOMPtr<nsIDocument> doc = do_QueryReferent(mDocument);
if (doc != aContextNode.OwnerDoc()) {
aRv.Throw(NS_ERROR_DOM_WRONG_DOCUMENT_ERR);
return nullptr;
}
}
uint16_t nodeType = aContextNode.NodeType();
if (nodeType == nsINode::TEXT_NODE ||
nodeType == nsINode::CDATA_SECTION_NODE) {
Text* textNode = aContextNode.GetAsText();
MOZ_ASSERT(textNode);
uint32_t textLength = textNode->Length();
if (textLength == 0) {
aRv.Throw(NS_ERROR_DOM_NOT_SUPPORTED_ERR);
return nullptr;
}
// XXX Need to get logical XPath text node for CDATASection
// and Text nodes.
}
else if (nodeType != nsINode::DOCUMENT_NODE &&
nodeType != nsINode::ELEMENT_NODE &&
nodeType != nsINode::ATTRIBUTE_NODE &&
nodeType != nsINode::COMMENT_NODE &&
nodeType != nsINode::PROCESSING_INSTRUCTION_NODE) {
aRv.Throw(NS_ERROR_DOM_NOT_SUPPORTED_ERR);
return nullptr;
}
nsAutoPtr<txXPathNode> contextNode(txXPathNativeNode::createXPathNode(&aContextNode));
if (!contextNode) {
aRv.Throw(NS_ERROR_FAILURE);
return nullptr;
}
EvalContextImpl eContext(*contextNode, aContextPosition, aContextSize,
mRecycler);
RefPtr<txAExprResult> exprResult;
aRv = mExpression->evaluate(&eContext, getter_AddRefs(exprResult));
if (aRv.Failed()) {
return nullptr;
}
uint16_t resultType = aType;
if (aType == XPathResult::ANY_TYPE) {
short exprResultType = exprResult->getResultType();
switch (exprResultType) {
case txAExprResult::NUMBER:
resultType = XPathResult::NUMBER_TYPE;
break;
case txAExprResult::STRING:
resultType = XPathResult::STRING_TYPE;
break;
case txAExprResult::BOOLEAN:
resultType = XPathResult::BOOLEAN_TYPE;
break;
case txAExprResult::NODESET:
resultType = XPathResult::UNORDERED_NODE_ITERATOR_TYPE;
break;
case txAExprResult::RESULT_TREE_FRAGMENT:
aRv.Throw(NS_ERROR_FAILURE);
return nullptr;
}
}
RefPtr<XPathResult> xpathResult = aInResult;
if (!xpathResult) {
xpathResult = new XPathResult(&aContextNode);
}
aRv = xpathResult->SetExprResult(exprResult, resultType, &aContextNode);
return xpathResult.forget();
}
void GlyphsSelection::AcceptKey(string_slice key, DisplayDirector* director)
{
int offset;
if (tagEditor || key == "\t")
TagSelection::AcceptKey(key, director);
else if (key == "\n") {
// not supported yet
/***/
}
else if (key == Keys::LeftArrowKey) {
offset = firstGlyph.textNode->OffsetOfGlyph(firstGlyph.glyph);
director->SetSelection(firstGlyph.textNode->GetSelectionAtOffset(offset));
director->ScrollToSelection();
}
else if (key == Keys::RightArrowKey) {
offset = lastGlyph.textNode->OffsetOfGlyph(lastGlyph.glyph) +
lastGlyph.glyph->NumCharsInText();
director->SetSelection(lastGlyph.textNode->GetSelectionAtOffset(offset));
director->ScrollToSelection();
}
else {
String newText = key;
if (key == "\b" || key == Keys::DelKey)
newText = "";
ReplaceText(newText, director);
#ifdef NOT_ANYMORE
// set up
DisplayNode* ancestor = firstGlyph.CommonAncestorWith(lastGlyph);
if (ancestor == NULL)
throw InternalException("GlyphsSelection::AcceptKey: No common ancestor.");
bool hasFirstText = (firstGlyph.textNode->Parent() == ancestor);
bool hasLastText = (lastGlyph.textNode->Parent() == ancestor);
bool oneText = (firstGlyph.textNode == lastGlyph.textNode);
bool hasNodes =
(!oneText &&
(!hasFirstText || !hasLastText ||
firstGlyph.textNode->NextSibling() != firstGlyph.textNode));
CompositeAction* action = new CompositeAction();
action->AddAction(new RestoreGlyphsSelectionAction());
// clear out anything that's there
if (oneText) {
unsigned long startOffset = firstGlyph.StartOffset();
action->AddAction(new DeleteCharsAction(firstGlyph.textNode->GetText(),
startOffset,
lastGlyph.EndOffset() - startOffset));
}
else {
if (hasFirstText) {
Text* firstText = firstGlyph.textNode->GetText();
unsigned long offset = firstGlyph.StartOffset();
action->AddAction(new DeleteCharsAction(firstText, offset,
firstText->Length() - offset));
}
if (hasLastText) {
action->AddAction(new DeleteCharsAction(lastGlyph.textNode->GetText(),
0, lastGlyph.EndOffset()));
}
if (hasNodes) {
ElementDisplayNode* ancestorDisplayNode = dynamic_cast<ElementDisplayNode*>(ancestor);
if (ancestorDisplayNode == NULL)
throw InternalException("GlyphsSelection::AcceptKey: ancestor isn't an element.");
Element* ancestorElement = ancestorDisplayNode->GetElement();
Node* firstDeleteNode = firstGlyph.textNode->GetText();
while (firstDeleteNode->ParentNode() != ancestorElement)
firstDeleteNode = firstDeleteNode->ParentNode();
if (hasFirstText)
firstDeleteNode = firstDeleteNode->NextSibling();
Node* lastDeleteNode = lastGlyph.textNode->GetText();
while (lastDeleteNode->ParentNode() != ancestorElement)
lastDeleteNode = lastDeleteNode->ParentNode();
if (hasLastText)
lastDeleteNode = lastDeleteNode->PreviousSibling();
action->AddAction(new RemoveNodesAction(firstDeleteNode, lastDeleteNode));
}
}
// add in the key
if (key == "\b" || key == Keys::DelKey) {
// just select
Text* selectText = NULL;
unsigned long selectOffset = 0;
if (oneText || hasFirstText) {
selectText = firstGlyph.textNode->GetText();
selectOffset = firstGlyph.StartOffset();
}
else if (hasLastText) {
selectText = lastGlyph.textNode->GetText();
selectOffset = 0;
}
else {
// we don't handle this yet (point selection between two Elements)
/***/
}
if (selectText)
action->AddAction(new SelectPointAction(selectText, selectOffset));
}
else {
Text* destText;
unsigned long destOffset;
if (oneText || hasFirstText) {
destText = firstGlyph.textNode->GetText();
destOffset = firstGlyph.StartOffset();
}
else if (hasLastText) {
destText = lastGlyph.textNode->GetText();
destOffset = 0;
}
else {
NewTextAction* newTextAction =
new NewTextAction(firstGlyph.textNode->GetText()->OwnerDocument());
action->AddAction(newTextAction);
destText = newTextAction->GetText();
destOffset = 0;
}
action->AddAction(new AddCharsAction(key, destText, destOffset));
// this will do the selection also
}
// go!
director->DoAction(action);
#endif
}
}
void GlyphsSelection::ReplaceText(String newText, DisplayDirector* director)
{
// set up
DisplayNode* ancestor = firstGlyph.CommonAncestorWith(lastGlyph);
if (ancestor == NULL)
throw InternalException("GlyphsSelection::AcceptKey: No common ancestor.");
bool hasFirstText = (firstGlyph.textNode->Parent() == ancestor);
bool hasLastText = (lastGlyph.textNode->Parent() == ancestor);
bool oneText = (firstGlyph.textNode == lastGlyph.textNode);
bool hasNodes =
(!oneText &&
(!hasFirstText || !hasLastText ||
firstGlyph.textNode->NextSibling() != firstGlyph.textNode));
CompositeAction* action = new CompositeAction();
action->AddAction(new RestoreGlyphsSelectionAction());
// clear out anything that's there
if (oneText) {
unsigned long startOffset = firstGlyph.StartOffset();
action->AddAction(new DeleteCharsAction(firstGlyph.textNode->GetText(),
startOffset,
lastGlyph.EndOffset() - startOffset));
}
else {
if (hasFirstText) {
Text* firstText = firstGlyph.textNode->GetText();
unsigned long offset = firstGlyph.StartOffset();
action->AddAction(new DeleteCharsAction(firstText, offset,
firstText->Length() - offset));
}
if (hasLastText) {
action->AddAction(new DeleteCharsAction(lastGlyph.textNode->GetText(),
0, lastGlyph.EndOffset()));
}
if (hasNodes) {
ElementDisplayNode* ancestorDisplayNode = dynamic_cast<ElementDisplayNode*>(ancestor);
if (ancestorDisplayNode == NULL)
throw InternalException("GlyphsSelection::AcceptKey: ancestor isn't an element.");
Element* ancestorElement = ancestorDisplayNode->GetElement();
Node* firstDeleteNode = firstGlyph.textNode->GetText();
while (firstDeleteNode->ParentNode() != ancestorElement)
firstDeleteNode = firstDeleteNode->ParentNode();
if (hasFirstText)
firstDeleteNode = firstDeleteNode->NextSibling();
Node* lastDeleteNode = lastGlyph.textNode->GetText();
while (lastDeleteNode->ParentNode() != ancestorElement)
lastDeleteNode = lastDeleteNode->ParentNode();
if (hasLastText)
lastDeleteNode = lastDeleteNode->PreviousSibling();
action->AddAction(new RemoveNodesAction(firstDeleteNode, lastDeleteNode));
}
}
// if we're replacing it with nothing, just select the point
if (newText.empty()) {
// just select
Text* selectText = NULL;
unsigned long selectOffset = 0;
if (oneText || hasFirstText) {
selectText = firstGlyph.textNode->GetText();
selectOffset = firstGlyph.StartOffset();
}
else if (hasLastText) {
selectText = lastGlyph.textNode->GetText();
selectOffset = 0;
}
else {
// we don't handle this yet (point selection between two Elements)
/***/
}
if (selectText)
action->AddAction(new SelectPointAction(selectText, selectOffset));
}
// add in the new text
else {
Text* destText;
unsigned long destOffset;
if (oneText || hasFirstText) {
destText = firstGlyph.textNode->GetText();
destOffset = firstGlyph.StartOffset();
}
else if (hasLastText) {
destText = lastGlyph.textNode->GetText();
destOffset = 0;
}
else {
NewTextAction* newTextAction =
new NewTextAction(firstGlyph.textNode->GetText()->OwnerDocument());
action->AddAction(newTextAction);
destText = newTextAction->GetText();
destOffset = 0;
}
action->AddAction(new AddCharsAction(newText, destText, destOffset));
// this will do the selection also
}
// do it
director->DoAction(action);
}
String GlyphsSelection::GetXMLCopy()
{
// handle single-text case
bool singleText = (firstGlyph.textNode == lastGlyph.textNode);
if (singleText) {
int startOffset = firstGlyph.StartOffset();
int endOffset = lastGlyph.EndOffset();
return firstGlyph.textNode->GetText()->SubstringData(startOffset, endOffset - startOffset);
}
// get info about the structure
DisplayNode* ancestor = firstGlyph.CommonAncestorWith(lastGlyph);
bool startsWithText = (firstGlyph.textNode->Parent() == ancestor);
bool endsWithText = (lastGlyph.textNode->Parent() == ancestor);
// find out where the first and last embedded elements are
// first
ElementDisplayNode* firstElementDisplayNode = NULL;
if (!startsWithText) {
// it's the element the first glyph is in
DisplayNode* firstElementNode = firstGlyph.textNode;
while (firstElementNode) {
if (firstElementNode->Parent() == ancestor)
break;
firstElementNode = firstElementNode->Parent();
}
firstElementDisplayNode = dynamic_cast<ElementDisplayNode*>(firstElementNode);
}
else {
firstElementDisplayNode =
dynamic_cast<ElementDisplayNode*>(firstGlyph.textNode->NextSibling());
}
if (firstElementDisplayNode == NULL)
throw InternalException("GlyphsSelection::GetXMLCopy: Couldn't find firstElementNode.");
Node* firstElement = firstElementDisplayNode->GetElement();
// last
ElementDisplayNode* lastElementDisplayNode = NULL;
if (!endsWithText) {
// it's the element the last glyph is in
DisplayNode* lastElementNode = lastGlyph.textNode;
while (lastElementNode) {
if (lastElementNode->Parent() == ancestor)
break;
lastElementNode = lastElementNode->Parent();
}
lastElementDisplayNode = dynamic_cast<ElementDisplayNode*>(lastElementNode);
}
else {
lastElementDisplayNode =
dynamic_cast<ElementDisplayNode*>(lastGlyph.textNode->PreviousSibling());
}
if (lastElementDisplayNode == NULL)
throw InternalException("GlyphsSelection::GetXMLCopy: Couldn't find lastElementNode.");
Node* lastElement = lastElementDisplayNode->GetElement();
// write the selection
XMLStringWriter writer(NULL);
if (startsWithText) {
Text* startText = firstGlyph.textNode->GetText();
int startOffset = firstGlyph.StartOffset();
String startData =
startText->SubstringData(startOffset, startText->Length() - startOffset);
writer.AppendString(startData);
}
for (Node* node = firstElement; ; node = node->NextSibling()) {
writer.AppendNode(node);
if (node == lastElement)
break;
}
if (endsWithText) {
Text* endText = lastGlyph.textNode->GetText();
int endOffset = lastGlyph.EndOffset();
String endData = endText->SubstringData(0, endOffset);
writer.AppendString(endData);
}
return writer.GetString();
}
/// Renders text ^^
void TextFont::RenderText(Text & text, GraphicsState & graphicsState)
{
// Set starting variables.
NewText(text);
/// One color for all text?
this->SetColor(text.color);
/// Save old shader!
Shader * oldShader = ActiveShader();
// Load shader, set default uniform values, etc.
if (!PrepareForRender())
return;
/// Sort the carets in order to render selected text properly.
int min, max;
if (text.caretPosition < text.previousCaretPosition)
{
min = text.caretPosition;
max = text.previousCaretPosition;
}
else
{
max = text.caretPosition;
min = text.previousCaretPosition;
}
bool shouldRenderCaret = Timer::GetCurrentTimeMs() % 1000 > 500;
if (text.Length() == 0 && shouldRenderCaret)
RenderChar('|');
for (i = 0; i < text.Length(); ++i)
{
if (text.caretPosition == i && shouldRenderCaret)
{
RenderChar('|');
}
currentCharIndex = i;
currentChar = text.c_str()[i];
if (currentChar == 0)
break;
nextChar = text.c_str()[i + 1];
if (EvaluateSpecialChar())
continue;
StartChar(); // Move in.
RenderChar(currentChar); // Render
/// If we are between the 2 active carets, render the region the char covers over with a white quad ?
if (text.previousCaretPosition != -1 && i >= min && i < max)
{
RenderSelection(currentChar);
}
EndChar(); // Move out.
lastChar = currentChar;
}
// Caret at the end?
if (text.caretPosition >= text.Length() && shouldRenderCaret)
{
RenderChar('|');
}
OnEndRender(graphicsState);
/// Revert to old shader!
ShadeMan.SetActiveShader(oldShader);
}