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/*
* Copyright (c) 2010-2015 OTClient <https://github.com/edubart/otclient>
*
* 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 "uitextedit.h"
#include <framework/graphics/bitmapfont.h>
#include <framework/graphics/graphics.h>
#include <framework/platform/platformwindow.h>
#include <framework/core/clock.h>
#include <framework/otml/otmlnode.h>
#include <framework/core/application.h>
#include <framework/input/mouse.h>
UITextEdit::UITextEdit()
{
m_cursorPos = 0;
m_textAlign = Fw::AlignTopLeft;
m_textHidden = false;
m_shiftNavigation = false;
m_multiline = false;
m_cursorVisible = true;
m_cursorInRange = true;
m_maxLength = 0;
m_editable = true;
m_selectable = true;
m_autoScroll = true;
m_changeCursorImage = true;
m_selectionReference = 0;
m_selectionStart = 0;
m_selectionEnd = 0;
m_updatesEnabled = true;
m_selectionColor = Color::white;
m_selectionBackgroundColor = Color::black;
m_glyphsTextCoordsBuffer.enableHardwareCaching();
m_glyphsSelectCoordsBuffer.enableHardwareCaching();
m_glyphsMustRecache = true;
blinkCursor();
}
void UITextEdit::drawSelf(Fw::DrawPane drawPane)
{
if((drawPane & Fw::ForegroundPane) == 0)
return;
drawBackground(m_rect);
drawBorder(m_rect);
drawImage(m_rect);
drawIcon(m_rect);
int textLength = m_text.length();
const TexturePtr& texture = m_font->getTexture();
if(!texture)
return;
bool glyphsMustRecache = m_glyphsMustRecache;
if(glyphsMustRecache)
m_glyphsMustRecache = false;
if(m_color != Color::alpha) {
if(glyphsMustRecache) {
m_glyphsTextCoordsBuffer.clear();
for(int i=0;i<textLength;++i)
m_glyphsTextCoordsBuffer.addRect(m_glyphsCoords[i], m_glyphsTexCoords[i]);
}
g_painter->setColor(m_color);
g_painter->drawTextureCoords(m_glyphsTextCoordsBuffer, texture);
}
if(hasSelection()) {
if(glyphsMustRecache) {
m_glyphsSelectCoordsBuffer.clear();
for(int i=m_selectionStart;i<m_selectionEnd;++i)
m_glyphsSelectCoordsBuffer.addRect(m_glyphsCoords[i], m_glyphsTexCoords[i]);
}
g_painter->setColor(m_selectionBackgroundColor);
g_painter->drawFillCoords(m_glyphsSelectCoordsBuffer);
g_painter->setColor(m_selectionColor);
g_painter->drawTextureCoords(m_glyphsSelectCoordsBuffer, texture);
}
// render cursor
if(isExplicitlyEnabled() && m_cursorVisible && m_cursorInRange && isActive() && m_cursorPos >= 0) {
assert(m_cursorPos <= textLength);
// draw every 333ms
const int delay = 333;
int elapsed = g_clock.millis() - m_cursorTicks;
if(elapsed <= delay) {
Rect cursorRect;
// when cursor is at 0
if(m_cursorPos == 0)
cursorRect = Rect(m_rect.left()+m_padding.left, m_rect.top()+m_padding.top, 1, m_font->getGlyphHeight());
else
cursorRect = Rect(m_glyphsCoords[m_cursorPos-1].right(), m_glyphsCoords[m_cursorPos-1].top(), 1, m_font->getGlyphHeight());
if(hasSelection() && m_cursorPos >= m_selectionStart && m_cursorPos <= m_selectionEnd)
g_painter->setColor(m_selectionColor);
else
g_painter->setColor(m_color);
g_painter->drawFilledRect(cursorRect);
} else if(elapsed >= 2*delay) {
m_cursorTicks = g_clock.millis();
}
}
g_painter->resetColor();
}
void UITextEdit::update(bool focusCursor)
{
if(!m_updatesEnabled)
return;
std::string text = getDisplayedText();
m_drawText = text;
int textLength = text.length();
// prevent glitches
if(m_rect.isEmpty())
return;
// recache coords buffers
recacheGlyphs();
// map glyphs positions
Size textBoxSize;
const std::vector<Point>& glyphsPositions = m_font->calculateGlyphsPositions(text, m_textAlign, &textBoxSize);
const Rect *glyphsTextureCoords = m_font->getGlyphsTextureCoords();
const Size *glyphsSize = m_font->getGlyphsSize();
int glyph;
// update rect size
if(!m_rect.isValid() || m_textHorizontalAutoResize || m_textVerticalAutoResize) {
textBoxSize += Size(m_padding.left + m_padding.right, m_padding.top + m_padding.bottom) + m_textOffset.toSize();
Size size = getSize();
if(size.width() <= 0 || (m_textHorizontalAutoResize && !m_textWrap))
size.setWidth(textBoxSize.width());
if(size.height() <= 0 || m_textVerticalAutoResize)
size.setHeight(textBoxSize.height());
setSize(size);
}
// resize just on demand
if(textLength > (int)m_glyphsCoords.size()) {
m_glyphsCoords.resize(textLength);
m_glyphsTexCoords.resize(textLength);
}
Point oldTextAreaOffset = m_textVirtualOffset;
if(textBoxSize.width() <= getPaddingRect().width())
m_textVirtualOffset.x = 0;
if(textBoxSize.height() <= getPaddingRect().height())
m_textVirtualOffset.y = 0;
// readjust start view area based on cursor position
m_cursorInRange = false;
if(focusCursor && m_autoScroll) {
if(m_cursorPos > 0 && textLength > 0) {
assert(m_cursorPos <= textLength);
Rect virtualRect(m_textVirtualOffset, m_rect.size() - Size(m_padding.left+m_padding.right, 0)); // previous rendered virtual rect
int pos = m_cursorPos - 1; // element before cursor
glyph = (uchar)text[pos]; // glyph of the element before cursor
Rect glyphRect(glyphsPositions[pos], glyphsSize[glyph]);
// if the cursor is not on the previous rendered virtual rect we need to update it
if(!virtualRect.contains(glyphRect.topLeft()) || !virtualRect.contains(glyphRect.bottomRight())) {
// calculate where is the first glyph visible
Point startGlyphPos;
startGlyphPos.y = std::max<int>(glyphRect.bottom() - virtualRect.height(), 0);
startGlyphPos.x = std::max<int>(glyphRect.right() - virtualRect.width(), 0);
// find that glyph
for(pos = 0; pos < textLength; ++pos) {
glyph = (uchar)text[pos];
glyphRect = Rect(glyphsPositions[pos], glyphsSize[glyph]);
glyphRect.setTop(std::max<int>(glyphRect.top() - m_font->getYOffset() - m_font->getGlyphSpacing().height(), 0));
glyphRect.setLeft(std::max<int>(glyphRect.left() - m_font->getGlyphSpacing().width(), 0));
// first glyph entirely visible found
if(glyphRect.topLeft() >= startGlyphPos) {
m_textVirtualOffset.x = glyphsPositions[pos].x;
m_textVirtualOffset.y = glyphsPositions[pos].y - m_font->getYOffset();
break;
}
}
}
} else {
m_textVirtualOffset = Point(0,0);
}
m_cursorInRange = true;
} else {
if(m_cursorPos > 0 && textLength > 0) {
Rect virtualRect(m_textVirtualOffset, m_rect.size() - Size(2*m_padding.left+m_padding.right, 0) ); // previous rendered virtual rect
int pos = m_cursorPos - 1; // element before cursor
glyph = (uchar)text[pos]; // glyph of the element before cursor
Rect glyphRect(glyphsPositions[pos], glyphsSize[glyph]);
if(virtualRect.contains(glyphRect.topLeft()) && virtualRect.contains(glyphRect.bottomRight()))
m_cursorInRange = true;
} else {
m_cursorInRange = true;
}
}
bool fireAreaUpdate = false;
if(oldTextAreaOffset != m_textVirtualOffset)
fireAreaUpdate = true;
Rect textScreenCoords = m_rect;
textScreenCoords.expandLeft(-m_padding.left);
textScreenCoords.expandRight(-m_padding.right);
textScreenCoords.expandBottom(-m_padding.bottom);
textScreenCoords.expandTop(-m_padding.top);
m_drawArea = textScreenCoords;
if(textScreenCoords.size() != m_textVirtualSize) {
m_textVirtualSize = textScreenCoords.size();
fireAreaUpdate = true;
}
Size totalSize = textBoxSize;
if(totalSize.width() < m_textVirtualSize.width())
totalSize.setWidth(m_textVirtualSize.height());
if(totalSize.height() < m_textVirtualSize.height())
totalSize.setHeight(m_textVirtualSize.height());
if(m_textTotalSize != totalSize) {
m_textTotalSize = totalSize;
fireAreaUpdate = true;
}
if(m_textAlign & Fw::AlignBottom) {
m_drawArea.translate(0, textScreenCoords.height() - textBoxSize.height());
} else if(m_textAlign & Fw::AlignVerticalCenter) {
m_drawArea.translate(0, (textScreenCoords.height() - textBoxSize.height()) / 2);
} else { // AlignTop
}
if(m_textAlign & Fw::AlignRight) {
m_drawArea.translate(textScreenCoords.width() - textBoxSize.width(), 0);
} else if(m_textAlign & Fw::AlignHorizontalCenter) {
m_drawArea.translate((textScreenCoords.width() - textBoxSize.width()) / 2, 0);
} else { // AlignLeft
}
for(int i = 0; i < textLength; ++i) {
glyph = (uchar)text[i];
m_glyphsCoords[i].clear();
// skip invalid glyphs
if(glyph < 32 && glyph != (uchar)'\n')
continue;
// calculate initial glyph rect and texture coords
Rect glyphScreenCoords(glyphsPositions[i], glyphsSize[glyph]);
Rect glyphTextureCoords = glyphsTextureCoords[glyph];
// first translate to align position
if(m_textAlign & Fw::AlignBottom) {
glyphScreenCoords.translate(0, textScreenCoords.height() - textBoxSize.height());
} else if(m_textAlign & Fw::AlignVerticalCenter) {
glyphScreenCoords.translate(0, (textScreenCoords.height() - textBoxSize.height()) / 2);
} else { // AlignTop
// nothing to do
}
if(m_textAlign & Fw::AlignRight) {
glyphScreenCoords.translate(textScreenCoords.width() - textBoxSize.width(), 0);
} else if(m_textAlign & Fw::AlignHorizontalCenter) {
glyphScreenCoords.translate((textScreenCoords.width() - textBoxSize.width()) / 2, 0);
} else { // AlignLeft
// nothing to do
}
// only render glyphs that are after startRenderPosition
if(glyphScreenCoords.bottom() < m_textVirtualOffset.y || glyphScreenCoords.right() < m_textVirtualOffset.x)
continue;
// bound glyph topLeft to startRenderPosition
if(glyphScreenCoords.top() < m_textVirtualOffset.y) {
glyphTextureCoords.setTop(glyphTextureCoords.top() + (m_textVirtualOffset.y - glyphScreenCoords.top()));
glyphScreenCoords.setTop(m_textVirtualOffset.y);
}
if(glyphScreenCoords.left() < m_textVirtualOffset.x) {
glyphTextureCoords.setLeft(glyphTextureCoords.left() + (m_textVirtualOffset.x - glyphScreenCoords.left()));
glyphScreenCoords.setLeft(m_textVirtualOffset.x);
}
// subtract startInternalPos
glyphScreenCoords.translate(-m_textVirtualOffset);
// translate rect to screen coords
glyphScreenCoords.translate(textScreenCoords.topLeft());
// only render if glyph rect is visible on screenCoords
if(!textScreenCoords.intersects(glyphScreenCoords))
continue;
// bound glyph bottomRight to screenCoords bottomRight
if(glyphScreenCoords.bottom() > textScreenCoords.bottom()) {
glyphTextureCoords.setBottom(glyphTextureCoords.bottom() + (textScreenCoords.bottom() - glyphScreenCoords.bottom()));
glyphScreenCoords.setBottom(textScreenCoords.bottom());
}
if(glyphScreenCoords.right() > textScreenCoords.right()) {
glyphTextureCoords.setRight(glyphTextureCoords.right() + (textScreenCoords.right() - glyphScreenCoords.right()));
glyphScreenCoords.setRight(textScreenCoords.right());
}
// render glyph
m_glyphsCoords[i] = glyphScreenCoords;
m_glyphsTexCoords[i] = glyphTextureCoords;
}
if(fireAreaUpdate)
onTextAreaUpdate(m_textVirtualOffset, m_textVirtualSize, m_textTotalSize);
g_app.repaint();
}
void UITextEdit::setCursorPos(int pos)
{
if(pos < 0)
pos = m_text.length();
if(pos != m_cursorPos) {
if(pos < 0)
m_cursorPos = 0;
else if((uint)pos >= m_text.length())
m_cursorPos = m_text.length();
else
m_cursorPos = pos;
update(true);
}
}
void UITextEdit::setSelection(int start, int end)
{
if(start == m_selectionStart && end == m_selectionEnd)
return;
if(start > end)
std::swap(start, end);
if(end == -1)
end = m_text.length();
m_selectionStart = stdext::clamp<int>(start, 0, (int)m_text.length());
m_selectionEnd = stdext::clamp<int>(end, 0, (int)m_text.length());
recacheGlyphs();
}
void UITextEdit::setTextHidden(bool hidden)
{
m_textHidden = true;
update(true);
}
void UITextEdit::setTextVirtualOffset(const Point& offset)
{
m_textVirtualOffset = offset;
update();
}
void UITextEdit::appendText(std::string text)
{
if(hasSelection())
del();
if(m_cursorPos >= 0) {
// replace characters that are now allowed
if(!m_multiline)
stdext::replace_all(text, "\n", " ");
stdext::replace_all(text, "\r", "");
stdext::replace_all(text, "\t", " ");
if(text.length() > 0) {
// only add text if textedit can add it
if(m_maxLength > 0 && m_text.length() + text.length() > m_maxLength)
return;
// only ignore text append if it contains invalid characters
if(m_validCharacters.size() > 0) {
for(uint i = 0; i < text.size(); ++i) {
if(m_validCharacters.find(text[i]) == std::string::npos)
return;
}
}
std::string tmp = m_text;
tmp.insert(m_cursorPos, text);
m_cursorPos += text.length();
setText(tmp);
}
}
}
void UITextEdit::appendCharacter(char c)
{
if((c == '\n' && !m_multiline) || c == '\r')
return;
if(hasSelection())
del();
if(m_cursorPos >= 0) {
if(m_maxLength > 0 && m_text.length() + 1 > m_maxLength)
return;
if(m_validCharacters.size() > 0 && m_validCharacters.find(c) == std::string::npos)
return;
std::string tmp;
tmp = c;
std::string tmp2 = m_text;
tmp2.insert(m_cursorPos, tmp);
m_cursorPos++;
setText(tmp2);
}
}
void UITextEdit::removeCharacter(bool right)
{
std::string tmp = m_text;
if(m_cursorPos >= 0 && tmp.length() > 0) {
if((uint)m_cursorPos >= tmp.length()) {
tmp.erase(tmp.begin() + (--m_cursorPos));
} else {
if(right)
tmp.erase(tmp.begin() + m_cursorPos);
else if(m_cursorPos > 0)
tmp.erase(tmp.begin() + --m_cursorPos);
}
setText(tmp);
}
}
void UITextEdit::blinkCursor()
{
m_cursorTicks = g_clock.millis();
g_app.repaint();
}
void UITextEdit::del(bool right)
{
if(hasSelection()) {
std::string tmp = m_text;
tmp.erase(m_selectionStart, m_selectionEnd - m_selectionStart);
setCursorPos(m_selectionStart);
clearSelection();
setText(tmp);
} else
removeCharacter(right);
}
void UITextEdit::paste(const std::string& text)
{
if(hasSelection())
del();
appendText(text);
}
std::string UITextEdit::copy()
{
std::string text;
if(hasSelection()) {
text = getSelection();
g_window.setClipboardText(text);
}
return text;
}
std::string UITextEdit::cut()
{
std::string text = copy();
del();
return text;
}
void UITextEdit::wrapText()
{
setText(m_font->wrapText(m_text, getPaddingRect().width() - m_textOffset.x));
}
void UITextEdit::moveCursorHorizontally(bool right)
{
if(right) {
if((uint)m_cursorPos+1 <= m_text.length())
m_cursorPos++;
else
m_cursorPos = 0;
} else {
if(m_cursorPos-1 >= 0)
m_cursorPos--;
else
m_cursorPos = m_text.length();
}
blinkCursor();
update(true);
}
void UITextEdit::moveCursorVertically(bool up)
{
//TODO
}
int UITextEdit::getTextPos(Point pos)
{
int textLength = m_text.length();
// find any glyph that is actually on the
int candidatePos = -1;
Rect firstGlyphRect, lastGlyphRect;
for(int i=0;i<textLength;++i) {
Rect clickGlyphRect = m_glyphsCoords[i];
if(!clickGlyphRect.isValid())
continue;
if(!firstGlyphRect.isValid())
firstGlyphRect = clickGlyphRect;
lastGlyphRect = clickGlyphRect;
clickGlyphRect.expandTop(m_font->getYOffset() + m_font->getGlyphSpacing().height());
clickGlyphRect.expandLeft(m_font->getGlyphSpacing().width()+1);
if(clickGlyphRect.contains(pos)) {
candidatePos = i;
break;
}
else if(pos.y >= clickGlyphRect.top() && pos.y <= clickGlyphRect.bottom()) {
if(pos.x <= clickGlyphRect.left()) {
candidatePos = i;
break;
} else if(pos.x >= clickGlyphRect.right())
candidatePos = i+1;
}
}
if(textLength > 0) {
if(pos.y < firstGlyphRect.top())
return 0;
else if(pos.y > lastGlyphRect.bottom())
return textLength;
}
return candidatePos;
}
std::string UITextEdit::getDisplayedText()
{
std::string text;
if(m_textHidden)
text = std::string(m_text.length(), '*');
else
text = m_text;
if(m_textWrap && m_rect.isValid())
text = m_font->wrapText(text, getPaddingRect().width() - m_textOffset.x);
return text;
}
std::string UITextEdit::getSelection()
{
if(!hasSelection())
return std::string();
return m_text.substr(m_selectionStart, m_selectionEnd - m_selectionStart);
}
void UITextEdit::updateText()
{
if(m_cursorPos > (int)m_text.length())
m_cursorPos = m_text.length();
// any text changes reset the selection
if(m_selectable) {
m_selectionEnd = 0;
m_selectionStart = 0;
}
blinkCursor();
update(true);
}
void UITextEdit::onHoverChange(bool hovered)
{
if(m_changeCursorImage) {
if(hovered && !g_mouse.isCursorChanged())
g_mouse.pushCursor("text");
else
g_mouse.popCursor("text");
}
}
void UITextEdit::onStyleApply(const std::string& styleName, const OTMLNodePtr& styleNode)
{
UIWidget::onStyleApply(styleName, styleNode);
for(const OTMLNodePtr& node : styleNode->children()) {
if(node->tag() == "text") {
setText(node->value());
setCursorPos(m_text.length());
} else if(node->tag() == "text-hidden")
setTextHidden(node->value<bool>());
else if(node->tag() == "shift-navigation")
setShiftNavigation(node->value<bool>());
else if(node->tag() == "multiline")
setMultiline(node->value<bool>());
else if(node->tag() == "max-length")
setMaxLength(node->value<int>());
else if(node->tag() == "editable")
setEditable(node->value<bool>());
else if(node->tag() == "selectable")
setSelectable(node->value<bool>());
else if(node->tag() == "selection-color")
setSelectionColor(node->value<Color>());
else if(node->tag() == "selection-background-color")
setSelectionBackgroundColor(node->value<Color>());
else if(node->tag() == "selection") {
Point selectionRange = node->value<Point>();
setSelection(selectionRange.x, selectionRange.y);
}
else if(node->tag() == "cursor-visible")
setCursorVisible(node->value<bool>());
else if(node->tag() == "change-cursor-image")
setChangeCursorImage(node->value<bool>());
else if(node->tag() == "auto-scroll")
setAutoScroll(node->value<bool>());
}
}
void UITextEdit::onGeometryChange(const Rect& oldRect, const Rect& newRect)
{
update(true);
UIWidget::onGeometryChange(oldRect, newRect);
}
void UITextEdit::onFocusChange(bool focused, Fw::FocusReason reason)
{
if(focused) {
if(reason == Fw::KeyboardFocusReason)
setCursorPos(m_text.length());
else
blinkCursor();
update(true);
} else
clearSelection();
UIWidget::onFocusChange(focused, reason);
}
bool UITextEdit::onKeyPress(uchar keyCode, int keyboardModifiers, int autoRepeatTicks)
{
if(UIWidget::onKeyPress(keyCode, keyboardModifiers, autoRepeatTicks))
return true;
if(keyboardModifiers == Fw::KeyboardNoModifier) {
if(keyCode == Fw::KeyDelete && m_editable) { // erase right character
if(hasSelection() || !m_text.empty()) {
del(true);
return true;
}
} else if(keyCode == Fw::KeyBackspace && m_editable) { // erase left character
if(hasSelection() || !m_text.empty()) {
del(false);
return true;
}
} else if(keyCode == Fw::KeyRight && !m_shiftNavigation) { // move cursor right
clearSelection();
moveCursorHorizontally(true);
return true;
} else if(keyCode == Fw::KeyLeft && !m_shiftNavigation) { // move cursor left
clearSelection();
moveCursorHorizontally(false);
return true;
} else if(keyCode == Fw::KeyHome) { // move cursor to first character
if(m_cursorPos != 0) {
clearSelection();
setCursorPos(0);
return true;
}
} else if(keyCode == Fw::KeyEnd) { // move cursor to last character
if(m_cursorPos != (int)m_text.length()) {
clearSelection();
setCursorPos(m_text.length());
return true;
}
} else if(keyCode == Fw::KeyTab && !m_shiftNavigation) {
clearSelection();
if(UIWidgetPtr parent = getParent())
parent->focusNextChild(Fw::KeyboardFocusReason, true);
return true;
} else if(keyCode == Fw::KeyEnter && m_multiline && m_editable) {
appendCharacter('\n');
return true;
} else if(keyCode == Fw::KeyUp && !m_shiftNavigation && m_multiline) {
moveCursorVertically(true);
return true;
} else if(keyCode == Fw::KeyDown && !m_shiftNavigation && m_multiline) {
moveCursorVertically(false);
return true;
}
} else if(keyboardModifiers == Fw::KeyboardCtrlModifier) {
if(keyCode == Fw::KeyV && m_editable) {
paste(g_window.getClipboardText());
return true;
} else if(keyCode == Fw::KeyX && m_editable && m_selectable) {
if(hasSelection()) {
cut();
return true;
}
} else if(keyCode == Fw::KeyC && m_selectable) {
if(hasSelection()) {
copy();
return true;
}
} else if(keyCode == Fw::KeyA && m_selectable) {
if(m_text.length() > 0) {
selectAll();
return true;
}
}
} else if(keyboardModifiers == Fw::KeyboardShiftModifier) {
if(keyCode == Fw::KeyTab && !m_shiftNavigation) {
if(UIWidgetPtr parent = getParent())
parent->focusPreviousChild(Fw::KeyboardFocusReason, true);
return true;
} else if(keyCode == Fw::KeyRight || keyCode == Fw::KeyLeft) {
int oldCursorPos = m_cursorPos;
if(keyCode == Fw::KeyRight) // move cursor right
moveCursorHorizontally(true);
else if(keyCode == Fw::KeyLeft) // move cursor left
moveCursorHorizontally(false);
if(m_shiftNavigation)
clearSelection();
else {
if(!hasSelection())
m_selectionReference = oldCursorPos;
setSelection(m_selectionReference, m_cursorPos);
}
return true;
} else if(keyCode == Fw::KeyHome) { // move cursor to first character
if(m_cursorPos != 0) {
setSelection(m_cursorPos, 0);
setCursorPos(0);
return true;
}
} else if(keyCode == Fw::KeyEnd) { // move cursor to last character
if(m_cursorPos != (int)m_text.length()) {
setSelection(m_cursorPos, m_text.length());
setCursorPos(m_text.length());
return true;
}
}
}
return false;
}
bool UITextEdit::onKeyText(const std::string& keyText)
{
if(m_editable) {
appendText(keyText);
return true;
}
return false;
}
bool UITextEdit::onMousePress(const Point& mousePos, Fw::MouseButton button)
{
if(UIWidget::onMousePress(mousePos, button))
return true;
if(button == Fw::MouseLeftButton) {
int pos = getTextPos(mousePos);
if(pos >= 0) {
setCursorPos(pos);
if(m_selectable) {
m_selectionReference = pos;
setSelection(pos, pos);
}
}
return true;
}
return false;
}
bool UITextEdit::onMouseRelease(const Point& mousePos, Fw::MouseButton button)
{
return UIWidget::onMouseRelease(mousePos, button);
}
bool UITextEdit::onMouseMove(const Point& mousePos, const Point& mouseMoved)
{
if(UIWidget::onMouseMove(mousePos, mouseMoved))
return true;
if(m_selectable && isPressed()) {
int pos = getTextPos(mousePos);
if(pos >= 0) {
setSelection(m_selectionReference, pos);
setCursorPos(pos);
}
return true;
}
return false;
}
bool UITextEdit::onDoubleClick(const Point& mousePos)
{
if(UIWidget::onDoubleClick(mousePos))
return true;
if(m_selectable && m_text.length() > 0) {
selectAll();
return true;
}
return false;
}
void UITextEdit::onTextAreaUpdate(const Point& offset, const Size& visibleSize, const Size& totalSize)
{
callLuaField("onTextAreaUpdate", offset, visibleSize, totalSize);
}