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Added single-line edit + view mode to TextEditComponent.

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Used automatically if component height <= font height.
This commit is contained in:
Aloshi 2013-09-12 16:35:44 -05:00
parent f9571b9389
commit 8bd5966f87
2 changed files with 46 additions and 14 deletions
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52
src/components/TextEditComponent.cpp
View file

@ -7,7 +7,7 @@
TextEditComponent::TextEditComponent(Window* window) : GuiComponent(window),
mBox(window, 0, 0, 0, 0), mFocused(false),
mScrollOffset(0.0f), mCursor(0), mEditing(false)
mScrollOffset(0.0f, 0.0f), mCursor(0), mEditing(false)
{
addChild(&mBox);
@ -88,7 +88,9 @@ bool TextEditComponent::input(InputConfig* config, Input input)
{
if(config->getDeviceId() == DEVICE_KEYBOARD && input.id == SDLK_RETURN)
{
if(isMultiline())
textInput("\n");
return true;
}
@ -116,8 +118,8 @@ bool TextEditComponent::input(InputConfig* config, Input input)
mCursor++;
if(mText.length() == 0)
mCursor = 0;
if(mCursor > (int)mText.length() - 1)
mCursor = mText.length() - 1;
if(mCursor >= (int)mText.length())
mCursor = mText.length();
onCursorChanged();
}
@ -133,21 +135,35 @@ void TextEditComponent::onTextChanged()
{
std::shared_ptr<Font> f = getFont();
std::string wrappedText = f->wrapText(mText, mSize.x());
std::string wrappedText = (isMultiline() ? f->wrapText(mText, mSize.x()) : mText);
mTextCache = std::unique_ptr<TextCache>(f->buildTextCache(wrappedText, 0, 0, 0x00000000 | getOpacity()));
}
void TextEditComponent::onCursorChanged()
{
std::shared_ptr<Font> font = getFont();
Eigen::Vector2f textSize = font->getWrappedTextCursorOffset(mText, mSize.x(), mCursor); //font->sizeWrappedText(mText.substr(0, mCursor), mSize.x());
if(mScrollOffset + mSize.y() < textSize.y() + font->getHeight()) //need to scroll down?
if(isMultiline())
{
mScrollOffset = textSize.y() - mSize.y() + font->getHeight();
}else if(mScrollOffset > textSize.y()) //need to scroll up?
Eigen::Vector2f textSize = font->getWrappedTextCursorOffset(mText, mSize.x(), mCursor);
if(mScrollOffset.y() + mSize.y() < textSize.y() + font->getHeight()) //need to scroll down?
{
mScrollOffset = textSize.y();
mScrollOffset[1] = textSize.y() - mSize.y() + font->getHeight();
}else if(mScrollOffset.y() > textSize.y()) //need to scroll up?
{
mScrollOffset[1] = textSize.y();
}
}else{
Eigen::Vector2f cursorPos = font->sizeText(mText.substr(0, mCursor));
if(mScrollOffset.x() + mSize.x() < cursorPos.x())
{
mScrollOffset[0] = cursorPos.x() - mSize.x();
}else if(mScrollOffset.x() > cursorPos.x())
{
mScrollOffset[0] = cursorPos.x();
}
}
}
@ -161,7 +177,7 @@ void TextEditComponent::render(const Eigen::Affine3f& parentTrans)
Eigen::Vector2i clipDim((int)dimScaled.x() - trans.translation().x(), (int)dimScaled.y() - trans.translation().y());
Renderer::pushClipRect(clipPos, clipDim);
trans.translate(Eigen::Vector3f(0, -mScrollOffset, 0));
trans.translate(Eigen::Vector3f(-mScrollOffset.x(), -mScrollOffset.y(), 0));
Renderer::setMatrix(trans);
@ -174,7 +190,15 @@ void TextEditComponent::render(const Eigen::Affine3f& parentTrans)
//draw cursor
if(mEditing)
{
Eigen::Vector2f cursorPos = f->getWrappedTextCursorOffset(mText, mSize.x(), mCursor);
Eigen::Vector2f cursorPos;
if(isMultiline())
{
cursorPos = f->getWrappedTextCursorOffset(mText, mSize.x(), mCursor);
}else{
cursorPos = f->sizeText(mText.substr(0, mCursor));
cursorPos[1] = 0;
}
Renderer::drawRect(cursorPos.x(), cursorPos.y(), 3, f->getHeight(), 0x000000FF);
}
@ -185,3 +209,9 @@ std::shared_ptr<Font> TextEditComponent::getFont()
{
return Font::get(*mWindow->getResourceManager(), Font::getDefaultPath(), FONT_SIZE_SMALL);
}
bool TextEditComponent::isMultiline()
{
return (getSize().y() > (float)getFont()->getHeight());
}

4
src/components/TextEditComponent.h
View file

@ -27,11 +27,13 @@ private:
void onTextChanged();
void onCursorChanged();
bool isMultiline();
std::string mText;
bool mFocused;
bool mEditing;
float mScrollOffset;
Eigen::Vector2f mScrollOffset;
int mCursor;
std::shared_ptr<Font> getFont();