99 lines
2.2 KiB
C++
99 lines
2.2 KiB
C++
#include "TextBox.h"
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#include "TextElement.h"
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#include <string>
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#include <sstream>
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TextBox::TextBox()
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: Widget(),
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mContent(),
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mCaps(false)
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{
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mBackgroundColor = Color::Create(250, 250, 250);
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mPadding = {10, 0, 10, 0};
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}
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std::unique_ptr<TextBox> TextBox::Create()
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{
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return std::make_unique<TextBox>();
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}
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void TextBox::SetContent(const std::string& text)
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{
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mContent = text;
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}
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std::string TextBox::GetContent() const
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{
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return mContent;
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}
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void TextBox::AppendContent(const std::string& text)
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{
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mContent += text;
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}
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bool TextBox::OnMyKeyboardEvent(const KeyboardEvent* event)
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{
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if(!event) return false;
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const auto keyString = event->GetKeyString();
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if (keyString == "KEY_RETURN")
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{
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AppendContent("\n");
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}
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else if (keyString == "KEY_BACK")
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{
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mContent = mContent.substr(0, mContent.size()-1);
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}
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else if (keyString == "KEY_SPACE")
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{
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AppendContent(" ");
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}
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else if (keyString == "KEY_CAPS")
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{
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mCaps = !mCaps;
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}
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else
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{
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if (mCaps && !keyString.empty())
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{
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const char c = std::toupper(keyString[0]);
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AppendContent(std::string(&c));
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}
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else
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{
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AppendContent(keyString);
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}
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}
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return true;
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}
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void TextBox::OnPaintEvent(const PaintEvent* event)
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{
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mMyLayers.clear();
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AddBackground(event);
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double offset = 0;
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if(!mContent.empty())
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{
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std::stringstream stream(mContent);
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std::string segment;
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std::vector<std::string> seglist;
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while(std::getline(stream, segment, '\n'))
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{
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seglist.push_back(segment);
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}
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for(const auto& line : seglist)
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{
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auto loc = DiscretePoint(mLocation.GetX() + mPadding.mLeft,
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mLocation.GetY() + mPadding.mTop + unsigned(offset));
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auto textLayer = VisualLayer::Create();
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auto textElement = TextElement::Create(line, loc);
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textElement->SetFillColor(Color::Create(*mBackgroundColor));
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textLayer->SetText(std::move(textElement));
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mMyLayers.push_back(std::move(textLayer));
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offset += 20;
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}
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}
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CopyMyLayers();
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}
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