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Copy pathPolyUITextInput.cpp
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executable file
·2681 lines (2206 loc) · 78.8 KB
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/*
Copyright (C) 2012 by Ivan Safrin
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
THE SOFTWARE.
*/
#include "PolyUITextInput.h"
#include "PolyConfig.h"
#include "PolyInputEvent.h"
#include "PolyLabel.h"
#include "PolyCoreServices.h"
#include "PolyEventHandler.h"
#include "PolyRenderer.h"
using namespace Polycode;
UIGlobalMenu* UITextInput::globalMenuSingleton = NULL;
void UITextInput::setMenuSingleton(UIGlobalMenu *_globalMenu) {
globalMenuSingleton = _globalMenu;
}
UITextInput::UITextInput(bool multiLine, Number width, Number height) : UIElement(width, height) {
this->multiLine = multiLine;
processInputEvents = true;
isNumberOnly = false;
didMultilineResize = true;
actualLineOffset = -1;
actualCaretPosition = 0;
resizeTimer = 0;
decoratorOffset = 0;
lineOffset = -1;
useStrongHinting = false;
draggingSelection = false;
hasSelection = false;
doSelectToCaret = false;
lineNumbersEnabled = false;
caretPosition = 0;
caretImagePosition = 0;
horizontalPixelScroll = 0;
horizontalCharacterScroll = 0;
settingText = false;
isTypingWord = false;
numLines = 0;
setAnchorPoint(0.0, 0.0, 0.0);
Config *conf = CoreServices::getInstance()->getConfig();
if(multiLine)
fontName = conf->getStringValue("Polycode", "uiTextInputFontNameMultiLine");
else
fontName = conf->getStringValue("Polycode", "uiTextInputFontName");
if(multiLine)
fontSize = conf->getNumericValue("Polycode", "uiTextInputFontSizeMultiline");
else
fontSize = conf->getNumericValue("Polycode", "uiTextInputFontSize");
Number rectHeight = height;
if(!multiLine) {
rectHeight = fontSize+10;
}
linesContainer = new Entity();
linesContainer->processInputEvents = true;
linesContainer->ownsChildren = true;
lineSpacing = conf->getNumericValue("Polycode", "textEditLineSpacing");
st = conf->getNumericValue("Polycode", "textBgSkinT");
sr = conf->getNumericValue("Polycode", "textBgSkinR");
sb = conf->getNumericValue("Polycode", "textBgSkinB");
sl = conf->getNumericValue("Polycode", "textBgSkinL");
textInputOffsetY = conf->getNumericValue("Polycode", "uiTextInputFontOffsetY");
if(multiLine) {
textInputOffsetY = 0.0;
}
padding = conf->getNumericValue("Polycode", "textBgSkinPadding");
textContainer = new UIElement();
textContainer->ownsChildren = true;
linesContainer->addChild(textContainer);
if(multiLine) {
inputRect = new UIBox(conf->getStringValue("Polycode", "textBgSkinMultiline"),
st,sr,sb,sl,
width+(padding*2), height+(padding*2));
inputRect->setBlendingMode(Renderer::BLEND_MODE_NONE);
} else {
inputRect = new UIBox(conf->getStringValue("Polycode", "textBgSkin"),
st,sr,sb,sl,
width+(padding*2), height+(padding*2));
}
addChild(inputRect);
if(multiLine) {
lineNumberBg = new UIRect(1,1);
lineNumberBg->setAnchorPoint(-1.0, -1.0, 0.0);
lineNumberBg->setColor(0.5, 0.5, 0.5, 1.0);
addChild(lineNumberBg);
lineNumberBg->visible = false;
lineNumberAnchor = new Entity();
linesContainer->addChild(lineNumberAnchor);
} else {
lineNumberBg = NULL;
lineNumberAnchor = NULL;
decoratorOffset = sl/2.0;
}
textContainer->setWidth(fabs(this->getWidth() - textContainer->getPosition2D().x - padding));
textContainer->setHeight(fabs(this->getHeight() - textContainer->getPosition2D().y));
textContainer->setPosition(padding + decoratorOffset, padding + textInputOffsetY);
inputRect->addEventListener(this, InputEvent::EVENT_MOUSEDOWN);
inputRect->addEventListener(this, InputEvent::EVENT_MOUSEWHEEL_DOWN);
inputRect->addEventListener(this, InputEvent::EVENT_MOUSEWHEEL_UP);
inputRect->addEventListener(this, InputEvent::EVENT_DOUBLECLICK);
inputRect->addEventListener(this, InputEvent::EVENT_MOUSEMOVE);
inputRect->addEventListener(this, InputEvent::EVENT_MOUSEOVER);
inputRect->addEventListener(this, InputEvent::EVENT_MOUSEOUT);
inputRect->processInputEvents = true;
inputRect->setAnchorPoint(-1.0, -1.0, 0.0);
selectionColor = Color(181.0f/255.0f, 213.0f/255.0f, 255.0f/255.0f, 1.0f);
selectorRectTop = new UIRect(1,1);
// selectorRectTop->setAnchorPoint(-1.0, -1.0, 0.0);
selectorRectTop->setColor(181.0f/255.0f, 213.0f/255.0f, 255.0f/255.0f, 1);
selectorRectTop->visible = false;
textContainer->addChild(selectorRectTop);
selectorRectMiddle = new UIRect(1,1);
// selectorRectMiddle->setAnchorPoint(-1.0, -1.0, 0.0);
selectorRectMiddle->setColor(181.0f/255.0f, 213.0f/255.0f, 255.0f/255.0f, 1);
selectorRectMiddle->visible = false;
textContainer->addChild(selectorRectMiddle);
selectorRectBottom = new UIRect(1,1);
// selectorRectBottom->setAnchorPoint(-1.0, -1.0, 0.0);
selectorRectBottom->setColor(181.0f/255.0f, 213.0f/255.0f, 255.0f/255.0f, 1);
selectorRectBottom->visible = false;
textContainer->addChild(selectorRectBottom);
blinkerRect = new UIRect(1, fontSize+2);
blinkerRect->setAnchorPoint(-1.0, -1.0, 0.0);
blinkerRect->setColor(0,0,0,1);
textContainer->addChild(blinkerRect);
blinkerRect->visible = false;
blinkerRect->setPosition(-horizontalPixelScroll,3);
blinkTimer = new Timer(true, 500);
blinkTimer->addEventListener(this, Timer::EVENT_TRIGGER);
focusable = true;
setWidth(width);
setHeight(rectHeight);
scrollContainer = NULL;
if(multiLine) {
scrollContainer = new UIScrollContainer(linesContainer, false, true, width, height);
scrollContainer->addEventListener(this, Event::CHANGE_EVENT);
addChild(scrollContainer);
} else {
addChild(linesContainer);
textContainer->enableScissor = true;
}
undoStateIndex = 0;
maxRedoIndex = 0;
syntaxHighliter = NULL;
textColor = Color(0.0,0.0,0.0,1.0);
currentBufferLines = 0;
neededBufferLines = 1;
checkBufferLines();
insertLine();
updateCaretPosition();
core = CoreServices::getInstance()->getCore();
core->addEventListener(this, Core::EVENT_COPY);
core->addEventListener(this, Core::EVENT_PASTE);
core->addEventListener(this, Core::EVENT_CUT);
core->addEventListener(this, Core::EVENT_UNDO);
core->addEventListener(this, Core::EVENT_REDO);
core->addEventListener(this, Core::EVENT_SELECT_ALL);
indentSpacing = 4;
indentType = INDENT_TAB;
core->getInput()->addEventListener(this, InputEvent::EVENT_KEYDOWN);
core->getInput()->addEventListener(this, InputEvent::EVENT_MOUSEUP);
}
void UITextInput::checkBufferLines() {
if(neededBufferLines < currentBufferLines)
return;
int aaMode = Label::ANTIALIAS_FULL;
if(useStrongHinting) {
aaMode = Label::ANTIALIAS_STRONG;
}
for(int i=0; i < neededBufferLines - currentBufferLines; i++) {
if(multiLine) {
SceneLabel *newNumberLine = new SceneLabel(L"", fontSize, fontName, aaMode);
newNumberLine->setBlendingMode(Renderer::BLEND_MODE_NORMAL);
newNumberLine->color = lineNumberColor;
newNumberLine->positionAtBaseline = true;
lineNumberAnchor->addChild(newNumberLine);
numberLines.push_back(newNumberLine);
if(!lineNumbersEnabled) {
newNumberLine->visible = false;
}
}
SceneLabel *newLine = new SceneLabel(L"", fontSize, fontName, aaMode);
newLine->setBlendingMode(Renderer::BLEND_MODE_NORMAL);
newLine->positionAtBaseline = true;
newLine->color = textColor;
lineHeight = newLine->getHeight();
textContainer->addChild(newLine);
bufferLines.push_back(newLine);
}
currentBufferLines = neededBufferLines;
}
void UITextInput::setNumberOnly(bool val) {
isNumberOnly = val;
}
void UITextInput::clearSelection() {
hasSelection = false;
selectorRectTop->visible = false;
selectorRectMiddle->visible = false;
selectorRectBottom->visible = false;
}
void UITextInput::setSelection(int lineStart, int lineEnd, int colStart, int colEnd) {
if(colStart < 0)
colStart = 0;
if(colEnd < 0)
colEnd = 0;
clearSelection();
_setSelectionColor(selectionColor);
if(lineStart == lineEnd && colStart == colEnd) {
return;
}
if(lineStart == actualLineOffset) {
selectionLine = lineEnd;
} else {
selectionLine = lineStart;
}
if(colStart == actualCaretPosition) {
selectionCaretPosition = colEnd;
} else {
selectionCaretPosition = colStart;
}
if(lineStart > lineEnd) {
int tmp = lineStart;
lineStart = lineEnd;
lineEnd = tmp;
tmp = colStart;
colStart = colEnd;
colEnd = tmp;
}
if(colStart > colEnd && lineStart == lineEnd) {
int tmp = colStart;
colStart = colEnd;
colEnd = tmp;
}
if(lineStart > lines.size()-1) {
return;
}
String topLine = lines[lineStart].text;
if(colStart+1 > topLine.length()) {
colStart = topLine.length();
}
hasSelection = true;
selectionTop = lineStart;
selectionBottom = lineEnd;
selectionL = colStart;
selectionR = colEnd;
if(!settingText) {
updateSelectionRects();
}
}
void UITextInput::updateSelectionRects() {
int lineStart;
int lineEnd;
int colStart;
int colEnd;
convertActualToOffset(selectionTop, selectionL, &lineStart, &colStart);
convertActualToOffset(selectionBottom, selectionR, &lineEnd, &colEnd);
String topLine = wordWrapLines[lineStart].text;
Number fColEnd = colEnd;
if(colEnd > topLine.length() || lineStart != lineEnd)
fColEnd = topLine.length();
Number topSize, topHeight, topX;
selectorRectTop->visible = true;
topSize = bufferLines[0]->getTextWidthForString(topLine.substr(colStart,fColEnd-colStart));
topHeight = lineHeight+lineSpacing;
if(colStart >= 0) {
topX = bufferLines[0]->getTextWidthForString(topLine.substr(0,colStart));
} else {
topX = 0;
}
if(topSize < 4) {
topSize = 4;
}
selectorRectTop->Resize(topSize, topHeight);
selectorRectTop->setPosition(topX - horizontalPixelScroll, lineStart * (lineHeight+lineSpacing));
if(lineEnd > lineStart && lineEnd < wordWrapLines.size()) {
String bottomLine = wordWrapLines[lineEnd].text;
selectorRectBottom->visible = true;
Number bottomSize = bufferLines[0]->getTextWidthForString(bottomLine.substr(0,colEnd)) ;
if(bottomSize < 0)
bottomSize = this->getWidth()-padding;
Number bottomHeight = lineHeight+lineSpacing;
if(bottomSize < 4) {
bottomSize = 4;
}
selectorRectBottom->Resize(bottomSize, bottomHeight);
selectorRectBottom->setPosition(-horizontalPixelScroll, lineEnd * (lineHeight+lineSpacing));
if(lineEnd != lineStart+1) {
// need filler
selectorRectMiddle->visible = true;
Number midSize = this->getWidth()-padding;
Number midHeight = 0;
for(int i=lineStart+1; i < lineEnd;i++) {
midHeight += lineHeight+lineSpacing;
}
selectorRectMiddle->Resize(midSize, midHeight);
selectorRectMiddle->setPosition(- horizontalPixelScroll, ((lineStart+1) * (lineHeight+lineSpacing)));
}
}
}
void UITextInput::deleteSelection() {
if(selectionTop == selectionBottom) {
String ctext = lines[selectionTop].text;
String newText = ctext.substr(0, selectionL);
int rside = selectionR;
if(rside > ctext.length()-1)
rside = ctext.length() - 1;
newText += ctext.substr(rside,ctext.length() - selectionR);
lines[selectionTop].text = newText;
} else {
String ctext = lines[selectionTop].text;
String newText = ctext.substr(0, selectionL);
lines[selectionTop].text = newText;
ctext = lines[selectionBottom].text;
int rside = selectionR;
if(rside > ctext.length()-1)
rside = ctext.length() - 1;
newText = ctext.substr(rside,ctext.length() - selectionR);
actualLineOffset = selectionTop;
actualCaretPosition = lines[actualLineOffset].text.length();
setOffsetToActual();
updateCaretPosition();
lines[actualLineOffset].text = lines[actualLineOffset].text + newText;
removeLines(selectionTop+1, selectionBottom);
}
clearSelection();
actualCaretPosition = selectionL;
updateCaretPosition();
setActualLineOffset();
changedText(actualLineOffset,actualLineOffset);
}
void UITextInput::applyTokenOverride(int lineIndex, SyntaxHighlightToken overrideToken) {
if(overrideToken.overrideType == SyntaxHighlightToken::TOKEN_TYPE_NO_OVERRIDE) {
bool previousLineInBlockOverride = false;
if(lineIndex > 0) {
if(lines[lineIndex-1].blockOverrideToken.overrideType == SyntaxHighlightToken::TOKEN_TYPE_OVERRIDE_LINE || lines[lineIndex-1].blockOverrideToken.overrideType == SyntaxHighlightToken::TOKEN_TYPE_OVERRIDE_START) {
previousLineInBlockOverride = true;
}
}
if(lines[lineIndex].blockOverrideToken.overrideType == SyntaxHighlightToken::TOKEN_TYPE_OVERRIDE_START && !previousLineInBlockOverride) {
for(int l=lineIndex; l < lines.size(); l++) {
if(lines[l].blockOverrideToken.overrideType == SyntaxHighlightToken::TOKEN_TYPE_OVERRIDE_START && l != lineIndex) {
return;
}
if(lines[l].blockOverrideToken.overrideType != SyntaxHighlightToken::TOKEN_TYPE_OVERRIDE_END) {
lines[l].blockOverrideToken.overrideType = SyntaxHighlightToken::TOKEN_TYPE_NO_OVERRIDE;
int _lineOffset = lines[l].wordWrapLineIndex;
while((_lineOffset < wordWrapLines.size()) && (wordWrapLines[_lineOffset].actualLineNumber == l)) {
wordWrapLines[_lineOffset].blockOverrideToken = lines[l].blockOverrideToken;
wordWrapLines[_lineOffset].dirty = true;
_lineOffset++;
}
} else {
changedText(l,l,false);
}
}
}
if(lines[lineIndex].blockOverrideToken.overrideType == SyntaxHighlightToken::TOKEN_TYPE_OVERRIDE_END) {
if(previousLineInBlockOverride) {
for(int l=lineIndex; l < lines.size(); l++) {
if((lines[l].blockOverrideToken.overrideType == SyntaxHighlightToken::TOKEN_TYPE_OVERRIDE_END || lines[l].blockOverrideToken.overrideType == SyntaxHighlightToken::TOKEN_TYPE_OVERRIDE_START) && l != lineIndex) {
if(lines[l].blockOverrideToken.overrideType == SyntaxHighlightToken::TOKEN_TYPE_OVERRIDE_END) {
changedText(l,l,false);
}
return;
}
lines[l].blockOverrideToken.overrideType = SyntaxHighlightToken::TOKEN_TYPE_OVERRIDE_LINE;
lines[l].blockOverrideToken.color = lines[lineIndex-1].blockOverrideToken.color;
int _lineOffset = lines[l].wordWrapLineIndex;
while((_lineOffset < wordWrapLines.size()) && (wordWrapLines[_lineOffset].actualLineNumber == l)) {
wordWrapLines[_lineOffset].blockOverrideToken = lines[l].blockOverrideToken;
wordWrapLines[_lineOffset].dirty = true;
_lineOffset++;
}
}
} else {
lines[lineIndex].blockOverrideToken.overrideType = SyntaxHighlightToken::TOKEN_TYPE_NO_OVERRIDE;
}
}
}
if(overrideToken.overrideType == SyntaxHighlightToken::TOKEN_TYPE_OVERRIDE_START) {
for(int l=lineIndex; l < lines.size(); l++) {
if((lines[l].blockOverrideToken.overrideType == SyntaxHighlightToken::TOKEN_TYPE_OVERRIDE_END || lines[l].blockOverrideToken.overrideType == SyntaxHighlightToken::TOKEN_TYPE_OVERRIDE_START) && l != lineIndex) {
if(lines[l].blockOverrideToken.overrideType == SyntaxHighlightToken::TOKEN_TYPE_OVERRIDE_END) {
changedText(l,l,false);
}
return;
}
lines[l].blockOverrideToken = overrideToken;
if(l != lineIndex) {
lines[l].blockOverrideToken.overrideType = SyntaxHighlightToken::TOKEN_TYPE_OVERRIDE_LINE;
}
int _lineOffset = lines[l].wordWrapLineIndex;
while((_lineOffset < wordWrapLines.size()) && (wordWrapLines[_lineOffset].actualLineNumber == l)) {
wordWrapLines[_lineOffset].blockOverrideToken = lines[l].blockOverrideToken;
wordWrapLines[_lineOffset].dirty = true;
_lineOffset++;
}
}
}
if(overrideToken.overrideType == SyntaxHighlightToken::TOKEN_TYPE_OVERRIDE_END) {
for(int l=lineIndex; l < lines.size(); l++) {
if(lines[l].blockOverrideToken.overrideType != SyntaxHighlightToken::TOKEN_TYPE_OVERRIDE_END || l == lineIndex) {
if((lines[l].blockOverrideToken.overrideType == SyntaxHighlightToken::TOKEN_TYPE_OVERRIDE_START) && l != lineIndex) {
return;
}
lines[l].blockOverrideToken = overrideToken;
if(l != lineIndex) {
lines[l].blockOverrideToken.overrideType = SyntaxHighlightToken::TOKEN_TYPE_NO_OVERRIDE;
}
int _lineOffset = lines[l].wordWrapLineIndex;
while((_lineOffset < wordWrapLines.size()) && (wordWrapLines[_lineOffset].actualLineNumber == l)) {
wordWrapLines[_lineOffset].blockOverrideToken = lines[l].blockOverrideToken;
wordWrapLines[_lineOffset].dirty = true;
_lineOffset++;
}
} else {
if(lines[l].blockOverrideToken.overrideType == SyntaxHighlightToken::TOKEN_TYPE_OVERRIDE_END) {
changedText(l,l,false);
}
}
}
}
}
void UITextInput::applyBlockOverrides() {
for(int i=0; i < wordWrapLines.size(); i++) {
wordWrapLines[i].blockOverrideToken.overrideType = SyntaxHighlightToken::TOKEN_TYPE_NO_OVERRIDE;
}
for(int i=0; i < lines.size(); i++) {
if(lines[i].blockOverrideToken.overrideType != SyntaxHighlightToken::TOKEN_TYPE_OVERRIDE_START && lines[i].blockOverrideToken.overrideType != SyntaxHighlightToken::TOKEN_TYPE_OVERRIDE_END) {
lines[i].blockOverrideToken.overrideType = SyntaxHighlightToken::TOKEN_TYPE_NO_OVERRIDE;
}
}
for(int i=0; i < lines.size(); i++) {
if(lines[i].blockOverrideToken.overrideType == SyntaxHighlightToken::TOKEN_TYPE_OVERRIDE_START || lines[i].blockOverrideToken.overrideType == SyntaxHighlightToken::TOKEN_TYPE_OVERRIDE_END) {
applyTokenOverride(i, lines[i].blockOverrideToken);
}
}
}
void UITextInput::applySyntaxFormatting(int startLine, int endLine) {
if(syntaxHighliter && multiLine) {
if(startLine < 0)
startLine = 0;
if(endLine > lines.size())
endLine = lines.size();
String totalText = L"";
for(int i=startLine; i < endLine+1; i++) {
totalText += lines[i].text;
if(i < endLine)
totalText += L"\n";
}
SyntaxHighlightToken _blockOverrideToken;
if(startLine > 0) {
_blockOverrideToken = lines[startLine-1].blockOverrideToken;
}
std::vector<SyntaxHighlightToken> tokens = syntaxHighliter->parseText(totalText, _blockOverrideToken);
int lineIndex = startLine;
lines[lineIndex].colorInfo.colors.clear();
int rangeStart = 0;
int rangeEnd = 0;
SyntaxHighlightToken _overrideToken;
for(int i=0; i < tokens.size(); i++) {
if(tokens[i].overrideType == SyntaxHighlightToken::TOKEN_TYPE_OVERRIDE_START || tokens[i].overrideType == SyntaxHighlightToken::TOKEN_TYPE_OVERRIDE_END) {
_overrideToken = tokens[i];
}
if(tokens[i].text == "\n") {
applyTokenOverride(lineIndex, _overrideToken);
_overrideToken.overrideType = SyntaxHighlightToken::TOKEN_TYPE_NO_OVERRIDE;
lineIndex++;
if(lineIndex < lines.size() && i < tokens.size()-1) {
lines[lineIndex].colorInfo.colors.clear();
}
rangeStart = 0;
rangeEnd = 0;
} else {
if(lineIndex < lines.size()) {
int textLength = tokens[i].text.length();
if(tokens[i].text.length() > 1) {
rangeEnd = rangeStart + textLength-1;
lines[lineIndex].colorInfo.colors.push_back(LineColorData(tokens[i].color, rangeStart, rangeEnd));
rangeStart = rangeStart + textLength;
} else {
rangeEnd = rangeStart;
lines[lineIndex].colorInfo.colors.push_back(LineColorData(tokens[i].color, rangeStart, rangeEnd));
rangeStart++;
}
}
}
}
}
// readjustBuffer(startLine, endLine);
}
void UITextInput::changedText(int lineStart, int lineEnd, bool sendChangeEvent) {
if(lineStart <0) {
lineStart = 0;
}
if(lineEnd > lines.size()-1) {
lineEnd = lines.size()-1;
}
if(settingText)
return;
applySyntaxFormatting(lineStart, lineEnd);
updateWordWrap(lineStart, lineEnd);
if(sendChangeEvent) {
dispatchEvent(new UIEvent(), UIEvent::CHANGE_EVENT);
}
}
void UITextInput::setSyntaxHighlighter(UITextInputSyntaxHighlighter *syntaxHighliter) {
this->syntaxHighliter = syntaxHighliter;
}
void UITextInput::doMultilineResize() {
if(multiLine) {
int bufferOffset = -linesContainer->getPosition().y/ ( lineHeight+lineSpacing);
int realLineOffset = -1;
if(bufferOffset > 0 && bufferOffset < wordWrapLines.size()) {
realLineOffset = wordWrapLines[bufferOffset].actualLineNumber;
}
if(getWidth() != lastResizeWidth) {
updateWordWrap(0, lines.size()-1);
}
if(realLineOffset > -1 && realLineOffset < lines.size()) {
showLine(realLineOffset, true);
}
renumberLines();
restructLines();
readjustBuffer();
if(lineNumbersEnabled) {
lineNumberBg->Resize(decoratorOffset, getHeight());
}
}
lastResizeWidth = getWidth();
didMultilineResize = true;
if(hasSelection) {
updateSelectionRects();
}
}
void UITextInput::Resize(Number width, Number height) {
resizeTimer = 0;
didMultilineResize = false;
inputRect->resizeBox(width, height);
setWidth(width);
setHeight(height);
matrixDirty = true;
if(multiLine) {
neededBufferLines = (height / ( lineHeight+lineSpacing)) + 1;
checkBufferLines();
renumberLines();
readjustBuffer();
if(lineNumbersEnabled) {
lineNumberBg->Resize(decoratorOffset, height);
}
}
if(scrollContainer) {
scrollContainer->Resize(width, height);
}
textContainer->setWidth(fabs(this->getWidth() - textContainer->getPosition2D().x - padding));
textContainer->setHeight(fabs(this->getHeight() - textContainer->getPosition2D().y));
textContainer->setPosition(padding + decoratorOffset, padding + textInputOffsetY);
}
int UITextInput::insertLine(String lineText) {
numLines++;
String newText = lineText;
if(lines.size() > 0 && !settingText) {
String ctext = lines[actualLineOffset].text;
String text2 = ctext.substr(actualCaretPosition, ctext.length()-actualCaretPosition);
ctext = ctext.substr(0,actualCaretPosition);
lines[actualLineOffset].text = ctext;
newText = newText+text2;
actualCaretPosition=0;
caretPosition = 0;
}
vector<LineInfo>::iterator it;
lineOffset = lineOffset + 1;
actualLineOffset = actualLineOffset + 1;
if(actualLineOffset >= lines.size()) {
it = lines.end();
} else {
it = lines.begin() + actualLineOffset;
}
SyntaxHighlightToken _overrideToken;
if(actualLineOffset > 0) {
if(lines[actualLineOffset-1].blockOverrideToken.overrideType != SyntaxHighlightToken::TOKEN_TYPE_OVERRIDE_START && lines[actualLineOffset-1].blockOverrideToken.overrideType != SyntaxHighlightToken::TOKEN_TYPE_OVERRIDE_END) {
_overrideToken = lines[actualLineOffset-1].blockOverrideToken;
} else if(lines[actualLineOffset-1].blockOverrideToken.overrideType == SyntaxHighlightToken::TOKEN_TYPE_OVERRIDE_START) {
_overrideToken = lines[actualLineOffset-1].blockOverrideToken;
_overrideToken.overrideType = SyntaxHighlightToken::TOKEN_TYPE_OVERRIDE_LINE;
}
}
LineInfo info;
info.text = newText;
info.blockOverrideToken = _overrideToken;
lines.insert(it,info);
WordWrapLine line;
line.text = info.text;
line.isWordWrap = false;
line.blockOverrideToken = _overrideToken;
line.actualLineNumber = actualLineOffset+1;
lines[actualLineOffset].wordWrapLineIndex = lineOffset;
line.colorInfo = lines[actualLineOffset].colorInfo;
vector<WordWrapLine>::iterator wit;
wit = wordWrapLines.begin() + lineOffset;
wordWrapLines.insert(wit,line);
for(int i=actualLineOffset+1; i < lines.size(); i++) {
lines[i].wordWrapLineIndex += 1;
}
for(int i=lineOffset+1; i < wordWrapLines.size(); i++) {
wordWrapLines[i].actualLineNumber += 1;
wordWrapLines[i].dirty = true;
}
if(!settingText) {
restructLines();
changedText(actualLineOffset-1, actualLineOffset);
}
return 1;
}
void UITextInput::enableLineNumbers(bool val) {
lineNumbersEnabled = val;
lineNumberBg->visible = lineNumbersEnabled;
restructLines();
}
void UITextInput::renumberLines() {
if(!multiLine)
return;
int totalLineNumber = lines.size();
if(currentBufferLines > lines.size()) {
totalLineNumber = currentBufferLines;
}
decoratorOffset = 0;
if(multiLine) {
if(lineNumbersEnabled) {
decoratorOffset = 15;
if(totalLineNumber > 9) {
decoratorOffset = 25;
}
if(totalLineNumber > 99) {
decoratorOffset = 35;
}
if(totalLineNumber > 999) {
decoratorOffset = 45;
}
if(totalLineNumber > 9999) {
decoratorOffset = 55;
}
}
}
lineNumberAnchor->setPositionX(padding+decoratorOffset - 10);
// Update the position and width of the text accordingly.
textContainer->setPosition(decoratorOffset + padding, padding);
textContainer->setWidth(fabs(this->getWidth() - textContainer->getPosition2D().x - padding));
textContainer->setHeight(fabs(this->getHeight() - textContainer->getPosition2D().y - padding));
textContainer->scissorBox.setRect(textContainer->getPosition2D().x, textContainer->getPosition2D().y, textContainer->getWidth(), textContainer->getHeight()+padding);
}
void UITextInput::restructLines() {
for(int i=0; i < bufferLines.size(); i++) {
bufferLines[i]->setPosition(0, (i*(lineHeight+lineSpacing)),0.0f);
}
if(multiLine && lineNumbersEnabled) {
lineNumberBg->Resize(decoratorOffset, getHeight());
}
if(scrollContainer) {
scrollContainer->setContentSize(getWidth(), (((wordWrapLines.size()+1) * ((lineHeight+lineSpacing)))) + padding);
}
}
void UITextInput::setCaretPosition(int position) {
if(position >= 0 && position < lines[lineOffset].text.length()) {
caretPosition = position;
updateCaretPosition();
}
}
void UITextInput::setText(String text, bool sendChangeEvent) {
if(!multiLine) {
lines[lineOffset].text = text;
horizontalCharacterScroll = 0;
horizontalPixelScroll = 0;
actualCaretPosition = text.length();
clearSelection();
changedText(0, 0);
updateCaretPosition();
} else {
selectAll();
insertText(text, false);
clearSelection();
changedText(0, lines.size()-1, false);
// wordWrapLines.clear();
doMultilineResize();
applyBlockOverrides();
}
}
void UITextInput::onLoseFocus() {
blinkerRect->visible = false;
clearSelection();
}
String UITextInput::getText() {
if(!multiLine) {
return lines[0].text;
} else {
String totalText = L"";
for(int i=0; i < lines.size(); i++) {
totalText += lines[i].text;
if(i < lines.size()-1)
totalText += L"\n";
}
return totalText;
}
}
void UITextInput::convertOffsetToActual(int lineOffset, int caretPosition, int *actualCaretPosition) {
int actualLineOffset = wordWrapLines[lineOffset].actualLineNumber;
if(wordWrapLines[lineOffset].isWordWrap == true) {
int lineIndex = lineOffset;
int totalActualCaretPosition = caretPosition - wordWrapLines[lineOffset].lineStart;
while((lineIndex >= 0) && (wordWrapLines[lineIndex].isWordWrap == true)) {
lineIndex--;
totalActualCaretPosition += wordWrapLines[lineIndex].text.size() - wordWrapLines[lineIndex].lineStart;
}
*actualCaretPosition = totalActualCaretPosition;
} else {
*actualCaretPosition = caretPosition;
}
if((*actualCaretPosition) > lines[actualLineOffset].text.size()) {
*actualCaretPosition = lines[actualLineOffset].text.size();
}
}
void UITextInput::setActualToCaret() {
convertOffsetToActual(lineOffset, caretPosition, &actualCaretPosition);
}
void UITextInput::convertActualToOffset(int actualLineOffset, int actualCaretPosition, int *lineOffset, int *caretPosition) {
*lineOffset = lines[actualLineOffset].wordWrapLineIndex;
int totalTextWidth = wordWrapLines[(*lineOffset)].text.size() - wordWrapLines[(*lineOffset)].lineStart;
*caretPosition = actualCaretPosition;
while(actualCaretPosition > totalTextWidth) {
*caretPosition -= (wordWrapLines[(*lineOffset)].text.size() - wordWrapLines[(*lineOffset)].lineStart);
(*lineOffset)++;
if((*lineOffset) > wordWrapLines.size()-1) {
(*lineOffset) = wordWrapLines.size()-1;
break;
}
totalTextWidth += wordWrapLines[(*lineOffset)].text.size() - wordWrapLines[(*lineOffset)].lineStart;
}
*caretPosition += wordWrapLines[(*lineOffset)].lineStart;
}
void UITextInput::setOffsetToActual() {
convertActualToOffset(actualLineOffset, actualCaretPosition, &lineOffset, &caretPosition);
}
void UITextInput::updateCaretPosition() {
// If this assertion fails, you likely called the function in the wrong
// place in the constructor.
assert(bufferLines.size() && wordWrapLines.size());
setOffsetToActual();
if(lineOffset > wordWrapLines.size()-1) {
lineOffset = wordWrapLines.size()-1;
setActualLineOffset();
}
caretImagePosition = 0;
if(caretPosition == 0) {
caretImagePosition = 0;
} else if(caretPosition > wordWrapLines[lineOffset].text.length()) {
caretPosition = wordWrapLines[lineOffset].text.length();
String caretSubString = wordWrapLines[lineOffset].text.substr(0,caretPosition);
caretImagePosition = bufferLines[0]->getTextWidthForString(caretSubString);
} else {
String caretSubString = wordWrapLines[lineOffset].text.substr(0,caretPosition);
caretImagePosition = bufferLines[0]->getTextWidthForString(caretSubString);
}
if(!hasSelection) {
blinkerRect->visible = true;
}
blinkTimer->Reset();
if(doSelectToCaret) {
doSelectToCaret = false;
}
if(!multiLine) {
// Make sure the new caret position is visible.