SDK: Add RichTextAreaWidget (WIP)
This commit is contained in:
Lynix
@@ -61,25 +61,25 @@ namespace Ndk
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// Protect input prefix from erasure/selection
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m_input->SetCursorPosition(s_inputPrefixSize);
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m_input->OnTextAreaCursorMove.Connect([](const TextAreaWidget* textArea, Nz::Vector2ui* newCursorPos)
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m_input->OnTextAreaCursorMove.Connect([](const AbstractTextAreaWidget* textArea, Nz::Vector2ui* newCursorPos)
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{
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newCursorPos->x = std::max(newCursorPos->x, static_cast<unsigned int>(s_inputPrefixSize));
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});
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m_input->OnTextAreaSelection.Connect([](const TextAreaWidget* textArea, Nz::Vector2ui* start, Nz::Vector2ui* end)
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m_input->OnTextAreaSelection.Connect([](const AbstractTextAreaWidget* textArea, Nz::Vector2ui* start, Nz::Vector2ui* end)
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{
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start->x = std::max(start->x, static_cast<unsigned int>(s_inputPrefixSize));
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end->x = std::max(end->x, static_cast<unsigned int>(s_inputPrefixSize));
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});
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m_input->OnTextAreaKeyBackspace.Connect([](const TextAreaWidget* textArea, bool* ignoreDefaultAction)
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m_input->OnTextAreaKeyBackspace.Connect([](const AbstractTextAreaWidget* textArea, bool* ignoreDefaultAction)
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{
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if (textArea->GetGlyphIndex() <= s_inputPrefixSize)
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*ignoreDefaultAction = true;
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});
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// Handle history
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m_input->OnTextAreaKeyUp.Connect([&] (const TextAreaWidget* textArea, bool* ignoreDefaultAction)
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m_input->OnTextAreaKeyUp.Connect([&] (const AbstractTextAreaWidget* textArea, bool* ignoreDefaultAction)
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{
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*ignoreDefaultAction = true;
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@@ -89,7 +89,7 @@ namespace Ndk
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m_input->SetText(s_inputPrefix + m_commandHistory[m_historyPosition]);
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});
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m_input->OnTextAreaKeyDown.Connect([&] (const TextAreaWidget* textArea, bool* ignoreDefaultAction)
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m_input->OnTextAreaKeyDown.Connect([&] (const AbstractTextAreaWidget* textArea, bool* ignoreDefaultAction)
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{
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*ignoreDefaultAction = true;
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@@ -187,7 +187,7 @@ namespace Ndk
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/*!
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* \brief Performs this action when an input is added to the console
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*/
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void Console::ExecuteInput(const TextAreaWidget* textArea, bool* ignoreDefaultAction)
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void Console::ExecuteInput(const AbstractTextAreaWidget* textArea, bool* ignoreDefaultAction)
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{
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NazaraAssert(textArea == m_input, "Unexpected signal from an other text area");
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489
SDK/src/NDK/Widgets/AbstractTextAreaWidget.cpp
Normal file
489
SDK/src/NDK/Widgets/AbstractTextAreaWidget.cpp
Normal file
@@ -0,0 +1,489 @@
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// Copyright (C) 2017 Jérôme Leclercq
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// This file is part of the "Nazara Development Kit"
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// For conditions of distribution and use, see copyright notice in Prerequisites.hpp
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#include <NDK/Widgets/AbstractTextAreaWidget.hpp>
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#include <Nazara/Core/Unicode.hpp>
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#include <Nazara/Utility/Font.hpp>
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#include <NDK/Components/GraphicsComponent.hpp>
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#include <NDK/Components/NodeComponent.hpp>
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namespace Ndk
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{
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namespace
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{
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constexpr float paddingWidth = 5.f;
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constexpr float paddingHeight = 3.f;
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}
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AbstractTextAreaWidget::AbstractTextAreaWidget(BaseWidget* parent) :
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BaseWidget(parent),
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m_characterFilter(),
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m_echoMode(EchoMode_Normal),
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m_cursorPositionBegin(0U, 0U),
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m_cursorPositionEnd(0U, 0U),
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m_isLineWrapEnabled(false),
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m_isMouseButtonDown(false),
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m_multiLineEnabled(false),
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m_readOnly(false),
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m_tabEnabled(false)
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{
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m_textSprite = Nz::TextSprite::New();
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m_textEntity = CreateEntity();
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m_textEntity->AddComponent<GraphicsComponent>().Attach(m_textSprite);
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auto& textNode = m_textEntity->AddComponent<NodeComponent>();
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textNode.SetParent(this);
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textNode.SetPosition(paddingWidth, paddingHeight);
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m_cursorEntity = CreateEntity();
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m_cursorEntity->AddComponent<GraphicsComponent>();
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m_cursorEntity->AddComponent<NodeComponent>().SetParent(m_textEntity);
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m_cursorEntity->GetComponent<NodeComponent>();
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m_cursorEntity->Enable(false);
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SetCursor(Nz::SystemCursor_Text);
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EnableBackground(true);
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}
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void AbstractTextAreaWidget::Clear()
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{
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Nz::AbstractTextDrawer& textDrawer = GetTextDrawer();
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m_cursorPositionBegin.MakeZero();
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m_cursorPositionEnd.MakeZero();
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textDrawer.Clear();
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m_textSprite->Update(textDrawer);
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SetPreferredSize(Nz::Vector2f(m_textSprite->GetBoundingVolume().obb.localBox.GetLengths()));
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RefreshCursor();
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}
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void AbstractTextAreaWidget::EnableLineWrap(bool enable)
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{
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if (m_isLineWrapEnabled != enable)
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{
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m_isLineWrapEnabled = enable;
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Nz::AbstractTextDrawer& textDrawer = GetTextDrawer();
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if (enable)
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textDrawer.SetMaxLineWidth(GetWidth());
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else
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textDrawer.SetMaxLineWidth(std::numeric_limits<float>::infinity());
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UpdateTextSprite();
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}
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}
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Nz::Vector2ui AbstractTextAreaWidget::GetHoveredGlyph(float x, float y) const
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{
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const Nz::AbstractTextDrawer& textDrawer = GetTextDrawer();
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auto& textNode = m_textEntity->GetComponent<Ndk::NodeComponent>();
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Nz::Vector2f textPosition = Nz::Vector2f(textNode.GetPosition(Nz::CoordSys_Local));
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x -= textPosition.x;
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y -= textPosition.y;
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std::size_t glyphCount = textDrawer.GetGlyphCount();
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if (glyphCount > 0)
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{
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std::size_t lineCount = textDrawer.GetLineCount();
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std::size_t line = 0U;
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for (; line < lineCount - 1; ++line)
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{
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Nz::Rectf lineBounds = textDrawer.GetLine(line).bounds;
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if (lineBounds.GetMaximum().y > y)
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break;
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}
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std::size_t upperLimit = (line != lineCount - 1) ? textDrawer.GetLine(line + 1).glyphIndex : glyphCount + 1;
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std::size_t firstLineGlyph = textDrawer.GetLine(line).glyphIndex;
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std::size_t i = firstLineGlyph;
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for (; i < upperLimit - 1; ++i)
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{
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Nz::Rectf bounds = textDrawer.GetGlyph(i).bounds;
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if (x < bounds.x + bounds.width * 0.75f)
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break;
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}
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return Nz::Vector2ui(Nz::Vector2<std::size_t>(i - firstLineGlyph, line));
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}
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return Nz::Vector2ui::Zero();
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}
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void AbstractTextAreaWidget::Layout()
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{
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BaseWidget::Layout();
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if (m_isLineWrapEnabled)
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{
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Nz::AbstractTextDrawer& textDrawer = GetTextDrawer();
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textDrawer.SetMaxLineWidth(GetWidth());
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UpdateTextSprite();
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}
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RefreshCursor();
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}
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bool AbstractTextAreaWidget::IsFocusable() const
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{
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return !m_readOnly;
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}
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void AbstractTextAreaWidget::OnFocusLost()
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{
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m_cursorEntity->Disable();
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}
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void AbstractTextAreaWidget::OnFocusReceived()
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{
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if (!m_readOnly)
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m_cursorEntity->Enable(true);
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}
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bool AbstractTextAreaWidget::OnKeyPressed(const Nz::WindowEvent::KeyEvent& key)
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{
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const Nz::AbstractTextDrawer& textDrawer = GetTextDrawer();
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switch (key.code)
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{
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case Nz::Keyboard::Backspace:
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{
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bool ignoreDefaultAction = false;
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OnTextAreaKeyBackspace(this, &ignoreDefaultAction);
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std::size_t cursorGlyphEnd = GetGlyphIndex(m_cursorPositionEnd);
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if (ignoreDefaultAction || cursorGlyphEnd == 0)
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return true;
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// When a text is selected, delete key does the same as delete and leave the character behind it
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if (HasSelection())
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EraseSelection();
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else
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{
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MoveCursor(-1);
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Erase(GetGlyphIndex(m_cursorPositionBegin));
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}
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return true;
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}
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case Nz::Keyboard::Delete:
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{
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if (HasSelection())
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EraseSelection();
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else
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Erase(GetGlyphIndex(m_cursorPositionBegin));
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return true;
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}
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case Nz::Keyboard::Down:
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{
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bool ignoreDefaultAction = false;
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OnTextAreaKeyDown(this, &ignoreDefaultAction);
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if (ignoreDefaultAction)
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return true;
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if (HasSelection())
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SetCursorPosition(m_cursorPositionEnd);
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MoveCursor({0, 1});
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return true;
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}
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case Nz::Keyboard::End:
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{
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bool ignoreDefaultAction = false;
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OnTextAreaKeyEnd(this, &ignoreDefaultAction);
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if (ignoreDefaultAction)
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return true;
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std::size_t lineCount = textDrawer.GetLineCount();
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if (key.control && lineCount > 0)
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SetCursorPosition({ static_cast<unsigned int>(textDrawer.GetLineGlyphCount(lineCount - 1)), static_cast<unsigned int>(lineCount - 1) });
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else
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SetCursorPosition({ static_cast<unsigned int>(textDrawer.GetLineGlyphCount(m_cursorPositionEnd.y)), m_cursorPositionEnd.y });
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return true;
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}
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case Nz::Keyboard::Home:
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{
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bool ignoreDefaultAction = false;
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OnTextAreaKeyHome(this, &ignoreDefaultAction);
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if (ignoreDefaultAction)
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return true;
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SetCursorPosition({ 0U, key.control ? 0U : m_cursorPositionEnd.y });
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return true;
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}
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case Nz::Keyboard::Left:
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{
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bool ignoreDefaultAction = false;
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OnTextAreaKeyLeft(this, &ignoreDefaultAction);
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if (ignoreDefaultAction)
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return true;
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if (HasSelection())
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SetCursorPosition(m_cursorPositionBegin);
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else if (key.control)
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HandleWordCursorMove(true);
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else
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MoveCursor(-1);
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return true;
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}
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case Nz::Keyboard::Return:
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{
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bool ignoreDefaultAction = false;
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OnTextAreaKeyReturn(this, &ignoreDefaultAction);
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if (ignoreDefaultAction)
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return true;
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if (!m_multiLineEnabled)
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break;
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if (HasSelection())
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EraseSelection();
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Write(Nz::String('\n'));
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return true;;
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}
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case Nz::Keyboard::Right:
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{
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bool ignoreDefaultAction = false;
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OnTextAreaKeyRight(this, &ignoreDefaultAction);
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if (ignoreDefaultAction)
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return true;
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if (HasSelection())
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SetCursorPosition(m_cursorPositionEnd);
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else if (key.control)
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HandleWordCursorMove(false);
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else
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MoveCursor(1);
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return true;
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}
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case Nz::Keyboard::Up:
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{
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bool ignoreDefaultAction = false;
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OnTextAreaKeyUp(this, &ignoreDefaultAction);
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if (ignoreDefaultAction)
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return true;
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if (HasSelection())
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SetCursorPosition(m_cursorPositionBegin);
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MoveCursor({0, -1});
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return true;
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}
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case Nz::Keyboard::Tab:
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{
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if (!m_tabEnabled)
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return false;
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if (HasSelection())
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HandleSelectionIndentation(!key.shift);
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else
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HandleIndentation(!key.shift);
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return true;
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}
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default:
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break;
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}
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return false;
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}
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void AbstractTextAreaWidget::OnKeyReleased(const Nz::WindowEvent::KeyEvent& /*key*/)
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{
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}
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void AbstractTextAreaWidget::OnMouseButtonPress(int x, int y, Nz::Mouse::Button button)
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{
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if (button == Nz::Mouse::Left)
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{
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SetFocus();
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Nz::Vector2ui hoveredGlyph = GetHoveredGlyph(float(x), float(y));
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// Shift extends selection
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if (Nz::Keyboard::IsKeyPressed(Nz::Keyboard::LShift) || Nz::Keyboard::IsKeyPressed(Nz::Keyboard::RShift))
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SetSelection(hoveredGlyph, m_selectionCursor);
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else
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{
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SetCursorPosition(hoveredGlyph);
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m_selectionCursor = m_cursorPositionBegin;
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}
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m_isMouseButtonDown = true;
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}
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}
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void AbstractTextAreaWidget::OnMouseButtonRelease(int, int, Nz::Mouse::Button button)
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{
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if (button == Nz::Mouse::Left)
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m_isMouseButtonDown = false;
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}
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void AbstractTextAreaWidget::OnMouseEnter()
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{
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if (!Nz::Mouse::IsButtonPressed(Nz::Mouse::Left))
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m_isMouseButtonDown = false;
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}
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void AbstractTextAreaWidget::OnMouseMoved(int x, int y, int deltaX, int deltaY)
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{
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if (m_isMouseButtonDown)
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SetSelection(m_selectionCursor, GetHoveredGlyph(float(x), float(y)));
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}
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void AbstractTextAreaWidget::OnTextEntered(char32_t character, bool /*repeated*/)
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{
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if (m_readOnly)
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return;
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if (Nz::Unicode::GetCategory(character) == Nz::Unicode::Category_Other_Control || (m_characterFilter && !m_characterFilter(character)))
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return;
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if (HasSelection())
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EraseSelection();
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Write(Nz::String::Unicode(character));
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}
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void AbstractTextAreaWidget::RefreshCursor()
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{
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if (m_readOnly)
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return;
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const Nz::AbstractTextDrawer& textDrawer = GetTextDrawer();
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auto GetGlyph = [&](const Nz::Vector2ui& glyphPosition, std::size_t* glyphIndex) -> const Nz::AbstractTextDrawer::Glyph*
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{
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if (glyphPosition.y >= textDrawer.GetLineCount())
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return nullptr;
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const auto& lineInfo = textDrawer.GetLine(glyphPosition.y);
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std::size_t cursorGlyph = GetGlyphIndex({ glyphPosition.x, glyphPosition.y });
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if (glyphIndex)
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*glyphIndex = cursorGlyph;
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std::size_t glyphCount = textDrawer.GetGlyphCount();
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if (glyphCount > 0 && lineInfo.glyphIndex < cursorGlyph)
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{
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const auto& glyph = textDrawer.GetGlyph(std::min(cursorGlyph, glyphCount - 1));
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return &glyph;
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}
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else
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return nullptr;
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};
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// Move text so that cursor is always visible
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const auto* lastGlyph = GetGlyph(m_cursorPositionEnd, nullptr);
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float glyphPos = (lastGlyph) ? lastGlyph->bounds.x : 0.f;
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float glyphWidth = (lastGlyph) ? lastGlyph->bounds.width : 0.f;
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auto& node = m_textEntity->GetComponent<Ndk::NodeComponent>();
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float textPosition = node.GetPosition(Nz::CoordSys_Local).x - paddingWidth;
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float cursorPosition = glyphPos + textPosition;
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float width = GetWidth();
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if (width <= textDrawer.GetBounds().width)
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{
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if (cursorPosition + glyphWidth > width)
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node.Move(width - cursorPosition - glyphWidth, 0.f);
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else if (cursorPosition - glyphWidth < 0.f)
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node.Move(-cursorPosition + glyphWidth, 0.f);
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}
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else
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node.Move(-textPosition, 0.f); // Reset text position if we have enough room to show everything
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// Show cursor/selection
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std::size_t selectionLineCount = m_cursorPositionEnd.y - m_cursorPositionBegin.y + 1;
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std::size_t oldSpriteCount = m_cursorSprites.size();
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if (m_cursorSprites.size() != selectionLineCount)
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{
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m_cursorSprites.resize(m_cursorPositionEnd.y - m_cursorPositionBegin.y + 1);
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for (std::size_t i = oldSpriteCount; i < m_cursorSprites.size(); ++i)
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{
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m_cursorSprites[i] = Nz::Sprite::New();
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m_cursorSprites[i]->SetMaterial(Nz::Material::New("Translucent2D"));
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}
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}
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GraphicsComponent& gfxComponent = m_cursorEntity->GetComponent<GraphicsComponent>();
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gfxComponent.Clear();
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for (unsigned int i = m_cursorPositionBegin.y; i <= m_cursorPositionEnd.y; ++i)
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{
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const auto& lineInfo = textDrawer.GetLine(i);
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Nz::SpriteRef& cursorSprite = m_cursorSprites[i - m_cursorPositionBegin.y];
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if (i == m_cursorPositionBegin.y || i == m_cursorPositionEnd.y)
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{
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auto GetGlyphPos = [&](const Nz::Vector2ui& glyphPosition)
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{
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std::size_t glyphIndex;
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const auto* glyph = GetGlyph(glyphPosition, &glyphIndex);
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if (glyph)
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{
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float position = glyph->bounds.x;
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if (glyphIndex >= textDrawer.GetGlyphCount())
|
||||
position += glyph->bounds.width;
|
||||
|
||||
return position;
|
||||
}
|
||||
else
|
||||
return 0.f;
|
||||
};
|
||||
|
||||
float beginX = (i == m_cursorPositionBegin.y) ? GetGlyphPos({ m_cursorPositionBegin.x, i }) : 0.f;
|
||||
float endX = (i == m_cursorPositionEnd.y) ? GetGlyphPos({ m_cursorPositionEnd.x, i }) : lineInfo.bounds.width;
|
||||
float spriteSize = std::max(endX - beginX, 1.f);
|
||||
|
||||
cursorSprite->SetColor((m_cursorPositionBegin == m_cursorPositionEnd) ? Nz::Color::Black : Nz::Color(0, 0, 0, 50));
|
||||
cursorSprite->SetSize(spriteSize, lineInfo.bounds.height);
|
||||
|
||||
gfxComponent.Attach(cursorSprite, Nz::Matrix4f::Translate({ beginX, lineInfo.bounds.y, 0.f }));
|
||||
}
|
||||
else
|
||||
{
|
||||
cursorSprite->SetColor(Nz::Color(0, 0, 0, 50));
|
||||
cursorSprite->SetSize(lineInfo.bounds.width, lineInfo.bounds.height);
|
||||
|
||||
gfxComponent.Attach(cursorSprite, Nz::Matrix4f::Translate({ 0.f, lineInfo.bounds.y, 0.f }));
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
void AbstractTextAreaWidget::UpdateTextSprite()
|
||||
{
|
||||
m_textSprite->Update(GetTextDrawer());
|
||||
SetPreferredSize(Nz::Vector2f(m_textSprite->GetBoundingVolume().obb.localBox.GetLengths()));
|
||||
}
|
||||
}
|
||||
156
SDK/src/NDK/Widgets/RichTextAreaWidget.cpp
Normal file
156
SDK/src/NDK/Widgets/RichTextAreaWidget.cpp
Normal file
@@ -0,0 +1,156 @@
|
||||
// Copyright (C) 2017 Jérôme Leclercq
|
||||
// This file is part of the "Nazara Development Kit"
|
||||
// For conditions of distribution and use, see copyright notice in Prerequisites.hpp
|
||||
|
||||
#include <NDK/Widgets/RichTextAreaWidget.hpp>
|
||||
|
||||
namespace Ndk
|
||||
{
|
||||
RichTextAreaWidget::RichTextAreaWidget(BaseWidget* parent) :
|
||||
AbstractTextAreaWidget(parent)
|
||||
{
|
||||
Layout();
|
||||
}
|
||||
|
||||
void RichTextAreaWidget::AppendText(const Nz::String& text)
|
||||
{
|
||||
//m_text += text;
|
||||
switch (m_echoMode)
|
||||
{
|
||||
case EchoMode_Normal:
|
||||
m_drawer.AppendText(text);
|
||||
break;
|
||||
|
||||
case EchoMode_Password:
|
||||
m_drawer.AppendText(Nz::String(text.GetLength(), '*'));
|
||||
break;
|
||||
|
||||
case EchoMode_PasswordExceptLast:
|
||||
{
|
||||
/*m_drawer.Clear();
|
||||
std::size_t textLength = m_text.GetLength();
|
||||
if (textLength >= 2)
|
||||
{
|
||||
std::size_t lastCharacterPosition = m_text.GetCharacterPosition(textLength - 2);
|
||||
if (lastCharacterPosition != Nz::String::npos)
|
||||
m_drawer.AppendText(Nz::String(textLength - 1, '*'));
|
||||
}
|
||||
|
||||
if (textLength >= 1)
|
||||
m_drawer.AppendText(m_text.SubString(m_text.GetCharacterPosition(textLength - 1)));*/
|
||||
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
UpdateTextSprite();
|
||||
|
||||
//OnTextChanged(this, m_text);
|
||||
}
|
||||
|
||||
void RichTextAreaWidget::Clear()
|
||||
{
|
||||
AbstractTextAreaWidget::Clear();
|
||||
}
|
||||
|
||||
void RichTextAreaWidget::Erase(std::size_t firstGlyph, std::size_t lastGlyph)
|
||||
{
|
||||
if (firstGlyph > lastGlyph)
|
||||
std::swap(firstGlyph, lastGlyph);
|
||||
|
||||
std::size_t textLength = m_drawer.GetGlyphCount();
|
||||
if (firstGlyph > textLength)
|
||||
return;
|
||||
|
||||
std::size_t firstBlock = m_drawer.FindBlock(firstGlyph);
|
||||
std::size_t lastBlock = m_drawer.FindBlock(lastGlyph);
|
||||
if (firstBlock == lastBlock)
|
||||
{
|
||||
const Nz::String& blockText = m_drawer.GetBlockText(firstBlock);
|
||||
std::size_t blockFirstGlyph = m_drawer.GetBlockFirstGlyphIndex(firstBlock);
|
||||
|
||||
Nz::String newText;
|
||||
if (firstGlyph > blockFirstGlyph)
|
||||
{
|
||||
std::size_t characterPosition = blockText.GetCharacterPosition(firstGlyph - blockFirstGlyph - 1);
|
||||
NazaraAssert(characterPosition != Nz::String::npos, "Invalid character position");
|
||||
|
||||
newText.Append(blockText.SubString(0, characterPosition));
|
||||
}
|
||||
|
||||
if (lastGlyph < textLength)
|
||||
{
|
||||
std::size_t characterPosition = blockText.GetCharacterPosition(lastGlyph - blockFirstGlyph);
|
||||
NazaraAssert(characterPosition != Nz::String::npos, "Invalid character position");
|
||||
|
||||
newText.Append(blockText.SubString(characterPosition));
|
||||
}
|
||||
|
||||
m_drawer.SetBlockText(firstBlock, newText);
|
||||
}
|
||||
else
|
||||
{
|
||||
// More complicated algorithm, yay
|
||||
}
|
||||
|
||||
UpdateDisplayText();
|
||||
}
|
||||
|
||||
void RichTextAreaWidget::Write(const Nz::String& text, std::size_t glyphPosition)
|
||||
{
|
||||
auto block = m_drawer.GetBlock(m_drawer.FindBlock(glyphPosition));
|
||||
std::size_t firstGlyph = block.GetFirstGlyphIndex();
|
||||
assert(glyphPosition >= firstGlyph);
|
||||
|
||||
Nz::String blockText = block.GetText();
|
||||
std::size_t characterPosition = blockText.GetCharacterPosition(glyphPosition - firstGlyph);
|
||||
blockText.Insert(characterPosition, text);
|
||||
|
||||
block.SetText(blockText);
|
||||
SetCursorPosition(glyphPosition + text.GetLength());
|
||||
|
||||
UpdateDisplayText();
|
||||
}
|
||||
|
||||
Nz::AbstractTextDrawer& RichTextAreaWidget::GetTextDrawer()
|
||||
{
|
||||
return m_drawer;
|
||||
}
|
||||
|
||||
const Nz::AbstractTextDrawer& RichTextAreaWidget::GetTextDrawer() const
|
||||
{
|
||||
return m_drawer;
|
||||
}
|
||||
|
||||
void RichTextAreaWidget::HandleIndentation(bool add)
|
||||
{
|
||||
}
|
||||
|
||||
void RichTextAreaWidget::HandleSelectionIndentation(bool add)
|
||||
{
|
||||
}
|
||||
|
||||
void RichTextAreaWidget::HandleWordCursorMove(bool left)
|
||||
{
|
||||
}
|
||||
|
||||
void RichTextAreaWidget::UpdateDisplayText()
|
||||
{
|
||||
/*m_drawer.Clear();
|
||||
switch (m_echoMode)
|
||||
{
|
||||
case EchoMode_Normal:
|
||||
m_drawer.AppendText(m_text);
|
||||
break;
|
||||
|
||||
case EchoMode_Password:
|
||||
case EchoMode_PasswordExceptLast:
|
||||
m_drawer.AppendText(Nz::String(m_text.GetLength(), '*'));
|
||||
break;
|
||||
}*/
|
||||
|
||||
UpdateTextSprite();
|
||||
|
||||
SetCursorPosition(m_cursorPositionBegin); //< Refresh cursor position (prevent it from being outside of the text)
|
||||
}
|
||||
}
|
||||
@@ -10,46 +10,14 @@
|
||||
|
||||
namespace Ndk
|
||||
{
|
||||
namespace
|
||||
{
|
||||
constexpr float paddingWidth = 5.f;
|
||||
constexpr float paddingHeight = 3.f;
|
||||
}
|
||||
|
||||
TextAreaWidget::TextAreaWidget(BaseWidget* parent) :
|
||||
BaseWidget(parent),
|
||||
m_characterFilter(),
|
||||
m_echoMode(EchoMode_Normal),
|
||||
m_cursorPositionBegin(0U, 0U),
|
||||
m_cursorPositionEnd(0U, 0U),
|
||||
m_isLineWrapEnabled(false),
|
||||
m_isMouseButtonDown(false),
|
||||
m_multiLineEnabled(false),
|
||||
m_readOnly(false),
|
||||
m_tabEnabled(false)
|
||||
AbstractTextAreaWidget(parent)
|
||||
{
|
||||
m_textSprite = Nz::TextSprite::New();
|
||||
|
||||
m_textEntity = CreateEntity();
|
||||
m_textEntity->AddComponent<GraphicsComponent>().Attach(m_textSprite);
|
||||
|
||||
auto& textNode = m_textEntity->AddComponent<NodeComponent>();
|
||||
textNode.SetParent(this);
|
||||
textNode.SetPosition(paddingWidth, paddingHeight);
|
||||
|
||||
m_cursorEntity = CreateEntity();
|
||||
m_cursorEntity->AddComponent<GraphicsComponent>();
|
||||
m_cursorEntity->AddComponent<NodeComponent>().SetParent(m_textEntity);
|
||||
m_cursorEntity->GetComponent<NodeComponent>();
|
||||
m_cursorEntity->Enable(false);
|
||||
|
||||
SetCursor(Nz::SystemCursor_Text);
|
||||
SetCharacterSize(GetCharacterSize()); //< Actualize minimum / preferred size
|
||||
|
||||
EnableBackground(true);
|
||||
Layout();
|
||||
}
|
||||
|
||||
|
||||
void TextAreaWidget::AppendText(const Nz::String& text)
|
||||
{
|
||||
m_text += text;
|
||||
@@ -86,21 +54,14 @@ namespace Ndk
|
||||
OnTextChanged(this, m_text);
|
||||
}
|
||||
|
||||
void TextAreaWidget::EnableLineWrap(bool enable)
|
||||
void TextAreaWidget::Clear()
|
||||
{
|
||||
if (m_isLineWrapEnabled != enable)
|
||||
{
|
||||
m_isLineWrapEnabled = enable;
|
||||
AbstractTextAreaWidget::Clear();
|
||||
|
||||
if (enable)
|
||||
m_drawer.SetMaxLineWidth(GetWidth());
|
||||
else
|
||||
m_drawer.SetMaxLineWidth(std::numeric_limits<float>::infinity());
|
||||
|
||||
UpdateTextSprite();
|
||||
}
|
||||
m_text.Clear();
|
||||
OnTextChanged(this, m_text);
|
||||
}
|
||||
|
||||
|
||||
void TextAreaWidget::Erase(std::size_t firstGlyph, std::size_t lastGlyph)
|
||||
{
|
||||
if (firstGlyph > lastGlyph)
|
||||
@@ -130,50 +91,6 @@ namespace Ndk
|
||||
SetText(newText);
|
||||
}
|
||||
|
||||
void TextAreaWidget::EraseSelection()
|
||||
{
|
||||
if (!HasSelection())
|
||||
return;
|
||||
|
||||
Erase(GetGlyphIndex(m_cursorPositionBegin), GetGlyphIndex(m_cursorPositionEnd));
|
||||
}
|
||||
|
||||
Nz::Vector2ui TextAreaWidget::GetHoveredGlyph(float x, float y) const
|
||||
{
|
||||
auto& textNode = m_textEntity->GetComponent<Ndk::NodeComponent>();
|
||||
Nz::Vector2f textPosition = Nz::Vector2f(textNode.GetPosition(Nz::CoordSys_Local));
|
||||
x -= textPosition.x;
|
||||
y -= textPosition.y;
|
||||
|
||||
std::size_t glyphCount = m_drawer.GetGlyphCount();
|
||||
if (glyphCount > 0)
|
||||
{
|
||||
std::size_t lineCount = m_drawer.GetLineCount();
|
||||
std::size_t line = 0U;
|
||||
for (; line < lineCount - 1; ++line)
|
||||
{
|
||||
Nz::Rectf lineBounds = m_drawer.GetLine(line).bounds;
|
||||
if (lineBounds.GetMaximum().y > y)
|
||||
break;
|
||||
}
|
||||
|
||||
std::size_t upperLimit = (line != lineCount - 1) ? m_drawer.GetLine(line + 1).glyphIndex : glyphCount + 1;
|
||||
|
||||
std::size_t firstLineGlyph = m_drawer.GetLine(line).glyphIndex;
|
||||
std::size_t i = firstLineGlyph;
|
||||
for (; i < upperLimit - 1; ++i)
|
||||
{
|
||||
Nz::Rectf bounds = m_drawer.GetGlyph(i).bounds;
|
||||
if (x < bounds.x + bounds.width * 0.75f)
|
||||
break;
|
||||
}
|
||||
|
||||
return Nz::Vector2ui(Nz::Vector2<std::size_t>(i - firstLineGlyph, line));
|
||||
}
|
||||
|
||||
return Nz::Vector2ui::Zero();
|
||||
}
|
||||
|
||||
void TextAreaWidget::SetCharacterSize(unsigned int characterSize)
|
||||
{
|
||||
m_drawer.SetCharacterSize(characterSize);
|
||||
@@ -198,6 +115,7 @@ namespace Ndk
|
||||
{
|
||||
if (glyphPosition >= m_drawer.GetGlyphCount())
|
||||
{
|
||||
// It's faster to append than to insert in the middle
|
||||
AppendText(text);
|
||||
SetCursorPosition(m_drawer.GetGlyphCount());
|
||||
}
|
||||
@@ -210,452 +128,109 @@ namespace Ndk
|
||||
}
|
||||
}
|
||||
|
||||
void TextAreaWidget::Layout()
|
||||
Nz::AbstractTextDrawer& TextAreaWidget::GetTextDrawer()
|
||||
{
|
||||
BaseWidget::Layout();
|
||||
return m_drawer;
|
||||
}
|
||||
|
||||
if (m_isLineWrapEnabled)
|
||||
const Nz::AbstractTextDrawer& TextAreaWidget::GetTextDrawer() const
|
||||
{
|
||||
return m_drawer;
|
||||
}
|
||||
|
||||
void TextAreaWidget::HandleIndentation(bool add)
|
||||
{
|
||||
if (add)
|
||||
Write(Nz::String('\t'));
|
||||
else
|
||||
{
|
||||
m_drawer.SetMaxLineWidth(GetWidth());
|
||||
UpdateTextSprite();
|
||||
}
|
||||
std::size_t currentGlyph = GetGlyphIndex(m_cursorPositionBegin);
|
||||
|
||||
RefreshCursor();
|
||||
}
|
||||
|
||||
bool TextAreaWidget::IsFocusable() const
|
||||
{
|
||||
return !m_readOnly;
|
||||
}
|
||||
|
||||
void TextAreaWidget::OnFocusLost()
|
||||
{
|
||||
m_cursorEntity->Disable();
|
||||
}
|
||||
|
||||
void TextAreaWidget::OnFocusReceived()
|
||||
{
|
||||
if (!m_readOnly)
|
||||
m_cursorEntity->Enable(true);
|
||||
}
|
||||
|
||||
bool TextAreaWidget::OnKeyPressed(const Nz::WindowEvent::KeyEvent& key)
|
||||
{
|
||||
switch (key.code)
|
||||
{
|
||||
case Nz::Keyboard::Backspace:
|
||||
if (currentGlyph > 0 && m_text[m_text.GetCharacterPosition(currentGlyph - 1U)] == '\t') // Check if previous glyph is a tab
|
||||
{
|
||||
bool ignoreDefaultAction = false;
|
||||
OnTextAreaKeyBackspace(this, &ignoreDefaultAction);
|
||||
Erase(currentGlyph - 1U);
|
||||
|
||||
std::size_t cursorGlyphBegin = GetGlyphIndex(m_cursorPositionBegin);
|
||||
std::size_t cursorGlyphEnd = GetGlyphIndex(m_cursorPositionEnd);
|
||||
|
||||
if (ignoreDefaultAction || cursorGlyphEnd == 0)
|
||||
return true;
|
||||
|
||||
// When a text is selected, delete key does the same as delete and leave the character behind it
|
||||
if (HasSelection())
|
||||
EraseSelection();
|
||||
else
|
||||
{
|
||||
Nz::String newText;
|
||||
|
||||
if (cursorGlyphBegin > 1)
|
||||
newText.Append(m_text.SubString(0, m_text.GetCharacterPosition(cursorGlyphBegin - 1) - 1));
|
||||
|
||||
if (cursorGlyphEnd < m_text.GetLength())
|
||||
newText.Append(m_text.SubString(m_text.GetCharacterPosition(cursorGlyphEnd)));
|
||||
|
||||
// Move cursor before setting text (to prevent SetText to move our cursor)
|
||||
if (m_cursorPositionBegin.x < static_cast<unsigned int>(m_drawer.GetLineGlyphCount(m_cursorPositionBegin.y)))
|
||||
MoveCursor(-1);
|
||||
|
||||
SetText(newText);
|
||||
}
|
||||
|
||||
return true;
|
||||
}
|
||||
|
||||
case Nz::Keyboard::Delete:
|
||||
{
|
||||
if (HasSelection())
|
||||
EraseSelection();
|
||||
else
|
||||
Erase(GetGlyphIndex(m_cursorPositionBegin));
|
||||
|
||||
return true;
|
||||
}
|
||||
|
||||
case Nz::Keyboard::Down:
|
||||
{
|
||||
bool ignoreDefaultAction = false;
|
||||
OnTextAreaKeyDown(this, &ignoreDefaultAction);
|
||||
|
||||
if (ignoreDefaultAction)
|
||||
return true;
|
||||
|
||||
if (HasSelection())
|
||||
SetCursorPosition(m_cursorPositionEnd);
|
||||
|
||||
MoveCursor({0, 1});
|
||||
return true;
|
||||
}
|
||||
|
||||
case Nz::Keyboard::End:
|
||||
{
|
||||
bool ignoreDefaultAction = false;
|
||||
OnTextAreaKeyEnd(this, &ignoreDefaultAction);
|
||||
|
||||
if (ignoreDefaultAction)
|
||||
return true;
|
||||
|
||||
std::size_t lineCount = m_drawer.GetLineCount();
|
||||
if (key.control && lineCount > 0)
|
||||
SetCursorPosition({ static_cast<unsigned int>(m_drawer.GetLineGlyphCount(lineCount - 1)), static_cast<unsigned int>(lineCount - 1) });
|
||||
else
|
||||
SetCursorPosition({ static_cast<unsigned int>(m_drawer.GetLineGlyphCount(m_cursorPositionEnd.y)), m_cursorPositionEnd.y });
|
||||
|
||||
return true;
|
||||
}
|
||||
|
||||
case Nz::Keyboard::Home:
|
||||
{
|
||||
bool ignoreDefaultAction = false;
|
||||
OnTextAreaKeyHome(this, &ignoreDefaultAction);
|
||||
|
||||
if (ignoreDefaultAction)
|
||||
return true;
|
||||
|
||||
SetCursorPosition({ 0U, key.control ? 0U : m_cursorPositionEnd.y });
|
||||
return true;
|
||||
}
|
||||
|
||||
case Nz::Keyboard::Left:
|
||||
{
|
||||
bool ignoreDefaultAction = false;
|
||||
OnTextAreaKeyLeft(this, &ignoreDefaultAction);
|
||||
|
||||
if (ignoreDefaultAction)
|
||||
return true;
|
||||
|
||||
if (HasSelection())
|
||||
SetCursorPosition(m_cursorPositionBegin);
|
||||
else if (key.control)
|
||||
{
|
||||
std::size_t index = GetGlyphIndex(m_cursorPositionBegin);
|
||||
|
||||
if (index == 0)
|
||||
return true;
|
||||
|
||||
std::size_t spaceIndex = m_text.FindLast(' ', index - 2);
|
||||
std::size_t endlIndex = m_text.FindLast('\n', index - 1);
|
||||
|
||||
if ((spaceIndex > endlIndex || endlIndex == Nz::String::npos) && spaceIndex != Nz::String::npos)
|
||||
SetCursorPosition(spaceIndex + 1);
|
||||
else if (endlIndex != Nz::String::npos)
|
||||
{
|
||||
if (index == endlIndex + 1)
|
||||
SetCursorPosition(endlIndex);
|
||||
else
|
||||
SetCursorPosition(endlIndex + 1);
|
||||
}
|
||||
else
|
||||
SetCursorPosition({ 0U, m_cursorPositionBegin.y });
|
||||
}
|
||||
else
|
||||
MoveCursor(-1);
|
||||
|
||||
return true;
|
||||
}
|
||||
|
||||
case Nz::Keyboard::Return:
|
||||
{
|
||||
bool ignoreDefaultAction = false;
|
||||
OnTextAreaKeyReturn(this, &ignoreDefaultAction);
|
||||
|
||||
if (ignoreDefaultAction)
|
||||
return true;
|
||||
|
||||
if (!m_multiLineEnabled)
|
||||
break;
|
||||
|
||||
if (HasSelection())
|
||||
EraseSelection();
|
||||
|
||||
Write(Nz::String('\n'));
|
||||
return true;;
|
||||
}
|
||||
|
||||
case Nz::Keyboard::Right:
|
||||
{
|
||||
bool ignoreDefaultAction = false;
|
||||
OnTextAreaKeyRight(this, &ignoreDefaultAction);
|
||||
|
||||
if (ignoreDefaultAction)
|
||||
return true;
|
||||
|
||||
if (HasSelection())
|
||||
SetCursorPosition(m_cursorPositionEnd);
|
||||
else if (key.control)
|
||||
{
|
||||
std::size_t index = GetGlyphIndex(m_cursorPositionEnd);
|
||||
std::size_t spaceIndex = m_text.Find(' ', index);
|
||||
std::size_t endlIndex = m_text.Find('\n', index);
|
||||
|
||||
if (spaceIndex < endlIndex && spaceIndex != Nz::String::npos)
|
||||
{
|
||||
if (m_text.GetSize() > spaceIndex)
|
||||
SetCursorPosition(spaceIndex + 1);
|
||||
else
|
||||
SetCursorPosition({ static_cast<unsigned int>(m_drawer.GetLineGlyphCount(m_cursorPositionEnd.y)), m_cursorPositionEnd.y });
|
||||
}
|
||||
else if (endlIndex != Nz::String::npos)
|
||||
{
|
||||
if (index == endlIndex)
|
||||
SetCursorPosition(endlIndex + 1);
|
||||
else
|
||||
SetCursorPosition(endlIndex);
|
||||
}
|
||||
else
|
||||
SetCursorPosition({ static_cast<unsigned int>(m_drawer.GetLineGlyphCount(m_cursorPositionEnd.y)), m_cursorPositionEnd.y });
|
||||
}
|
||||
else
|
||||
MoveCursor(1);
|
||||
|
||||
return true;
|
||||
}
|
||||
|
||||
case Nz::Keyboard::Up:
|
||||
{
|
||||
bool ignoreDefaultAction = false;
|
||||
OnTextAreaKeyUp(this, &ignoreDefaultAction);
|
||||
|
||||
if (ignoreDefaultAction)
|
||||
return true;
|
||||
|
||||
if (HasSelection())
|
||||
SetCursorPosition(m_cursorPositionBegin);
|
||||
|
||||
MoveCursor({0, -1});
|
||||
return true;
|
||||
}
|
||||
|
||||
case Nz::Keyboard::Tab:
|
||||
{
|
||||
if (!m_tabEnabled)
|
||||
return false;
|
||||
|
||||
if (HasSelection())
|
||||
{
|
||||
for(unsigned line = m_cursorPositionBegin.y; line <= m_cursorPositionEnd.y; ++line)
|
||||
{
|
||||
const Nz::Vector2ui cursorPositionBegin = m_cursorPositionBegin;
|
||||
const Nz::Vector2ui cursorPositionEnd = m_cursorPositionEnd;
|
||||
|
||||
if (key.shift)
|
||||
{
|
||||
if (m_drawer.GetLineGlyphCount(line) == 0)
|
||||
continue;
|
||||
|
||||
std::size_t firstGlyph = GetGlyphIndex({ 0U, line });
|
||||
|
||||
if (m_text[m_text.GetCharacterPosition(firstGlyph)] == '\t')
|
||||
{
|
||||
Erase(firstGlyph);
|
||||
SetSelection(cursorPositionBegin - (cursorPositionBegin.y == line && cursorPositionBegin.x != 0U ? Nz::Vector2ui { 1U, 0U } : Nz::Vector2ui {}),
|
||||
cursorPositionEnd - (cursorPositionEnd.y == line && cursorPositionEnd.x != 0U ? Nz::Vector2ui { 1U, 0U } : Nz::Vector2ui {}));
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
Write(Nz::String('\t'), { 0U, line });
|
||||
SetSelection(cursorPositionBegin + (cursorPositionBegin.y == line && cursorPositionBegin.x != 0U ? Nz::Vector2ui { 1U, 0U } : Nz::Vector2ui {}),
|
||||
cursorPositionEnd + (cursorPositionEnd.y == line ? Nz::Vector2ui { 1U, 0U } : Nz::Vector2ui {}));
|
||||
}
|
||||
}
|
||||
}
|
||||
else if (key.shift)
|
||||
{
|
||||
std::size_t currentGlyph = GetGlyphIndex(m_cursorPositionBegin);
|
||||
|
||||
if (currentGlyph > 0 && m_text[m_text.GetCharacterPosition(currentGlyph - 1U)] == '\t') // Check if previous glyph is a tab
|
||||
{
|
||||
Erase(currentGlyph - 1U);
|
||||
|
||||
if (m_cursorPositionBegin.x < static_cast<unsigned int>(m_drawer.GetLineGlyphCount(m_cursorPositionBegin.y)))
|
||||
MoveCursor(-1);
|
||||
}
|
||||
}
|
||||
else
|
||||
Write(Nz::String('\t'));
|
||||
|
||||
return true;
|
||||
}
|
||||
|
||||
default:
|
||||
break;
|
||||
}
|
||||
|
||||
return false;
|
||||
}
|
||||
|
||||
void TextAreaWidget::OnKeyReleased(const Nz::WindowEvent::KeyEvent& /*key*/)
|
||||
void TextAreaWidget::HandleSelectionIndentation(bool add)
|
||||
{
|
||||
}
|
||||
|
||||
void TextAreaWidget::OnMouseButtonPress(int x, int y, Nz::Mouse::Button button)
|
||||
{
|
||||
if (button == Nz::Mouse::Left)
|
||||
for (unsigned line = m_cursorPositionBegin.y; line <= m_cursorPositionEnd.y; ++line)
|
||||
{
|
||||
SetFocus();
|
||||
const Nz::Vector2ui cursorPositionBegin = m_cursorPositionBegin;
|
||||
const Nz::Vector2ui cursorPositionEnd = m_cursorPositionEnd;
|
||||
|
||||
Nz::Vector2ui hoveredGlyph = GetHoveredGlyph(float(x), float(y));
|
||||
|
||||
// Shift extends selection
|
||||
if (Nz::Keyboard::IsKeyPressed(Nz::Keyboard::LShift) || Nz::Keyboard::IsKeyPressed(Nz::Keyboard::RShift))
|
||||
SetSelection(hoveredGlyph, m_selectionCursor);
|
||||
if (add)
|
||||
{
|
||||
Write(Nz::String('\t'), { 0U, line });
|
||||
SetSelection(cursorPositionBegin + (cursorPositionBegin.y == line && cursorPositionBegin.x != 0U ? Nz::Vector2ui{ 1U, 0U } : Nz::Vector2ui{}),
|
||||
cursorPositionEnd + (cursorPositionEnd.y == line ? Nz::Vector2ui{ 1U, 0U } : Nz::Vector2ui{}));
|
||||
}
|
||||
else
|
||||
{
|
||||
SetCursorPosition(hoveredGlyph);
|
||||
m_selectionCursor = m_cursorPositionBegin;
|
||||
}
|
||||
if (m_drawer.GetLineGlyphCount(line) == 0)
|
||||
continue;
|
||||
|
||||
m_isMouseButtonDown = true;
|
||||
std::size_t firstGlyph = GetGlyphIndex({ 0U, line });
|
||||
|
||||
if (m_text[m_text.GetCharacterPosition(firstGlyph)] == '\t')
|
||||
{
|
||||
Erase(firstGlyph);
|
||||
SetSelection(cursorPositionBegin - (cursorPositionBegin.y == line && cursorPositionBegin.x != 0U ? Nz::Vector2ui{ 1U, 0U } : Nz::Vector2ui{}),
|
||||
cursorPositionEnd - (cursorPositionEnd.y == line && cursorPositionEnd.x != 0U ? Nz::Vector2ui{ 1U, 0U } : Nz::Vector2ui{}));
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
void TextAreaWidget::OnMouseButtonRelease(int, int, Nz::Mouse::Button button)
|
||||
void TextAreaWidget::HandleWordCursorMove(bool left)
|
||||
{
|
||||
if (button == Nz::Mouse::Left)
|
||||
m_isMouseButtonDown = false;
|
||||
}
|
||||
|
||||
void TextAreaWidget::OnMouseEnter()
|
||||
{
|
||||
if (!Nz::Mouse::IsButtonPressed(Nz::Mouse::Left))
|
||||
m_isMouseButtonDown = false;
|
||||
}
|
||||
|
||||
void TextAreaWidget::OnMouseMoved(int x, int y, int deltaX, int deltaY)
|
||||
{
|
||||
if (m_isMouseButtonDown)
|
||||
SetSelection(m_selectionCursor, GetHoveredGlyph(float(x), float(y)));
|
||||
}
|
||||
|
||||
void TextAreaWidget::OnTextEntered(char32_t character, bool /*repeated*/)
|
||||
{
|
||||
if (m_readOnly)
|
||||
return;
|
||||
|
||||
if (Nz::Unicode::GetCategory(character) == Nz::Unicode::Category_Other_Control || (m_characterFilter && !m_characterFilter(character)))
|
||||
return;
|
||||
|
||||
if (HasSelection())
|
||||
EraseSelection();
|
||||
|
||||
Write(Nz::String::Unicode(character));
|
||||
}
|
||||
|
||||
void TextAreaWidget::RefreshCursor()
|
||||
{
|
||||
if (m_readOnly)
|
||||
return;
|
||||
|
||||
auto GetGlyph = [&](const Nz::Vector2ui& glyphPosition, std::size_t* glyphIndex) -> const Nz::AbstractTextDrawer::Glyph*
|
||||
if (left)
|
||||
{
|
||||
const auto& lineInfo = m_drawer.GetLine(glyphPosition.y);
|
||||
std::size_t index = GetGlyphIndex(m_cursorPositionBegin);
|
||||
if (index == 0)
|
||||
return;
|
||||
|
||||
std::size_t cursorGlyph = GetGlyphIndex({ glyphPosition.x, glyphPosition.y });
|
||||
if (glyphIndex)
|
||||
*glyphIndex = cursorGlyph;
|
||||
std::size_t spaceIndex = m_text.FindLast(' ', index - 2);
|
||||
std::size_t endlIndex = m_text.FindLast('\n', index - 1);
|
||||
|
||||
std::size_t glyphCount = m_drawer.GetGlyphCount();
|
||||
if (glyphCount > 0 && lineInfo.glyphIndex < cursorGlyph)
|
||||
if ((spaceIndex > endlIndex || endlIndex == Nz::String::npos) && spaceIndex != Nz::String::npos)
|
||||
SetCursorPosition(spaceIndex + 1);
|
||||
else if (endlIndex != Nz::String::npos)
|
||||
{
|
||||
const auto& glyph = m_drawer.GetGlyph(std::min(cursorGlyph, glyphCount - 1));
|
||||
return &glyph;
|
||||
if (index == endlIndex + 1)
|
||||
SetCursorPosition(endlIndex);
|
||||
else
|
||||
SetCursorPosition(endlIndex + 1);
|
||||
}
|
||||
else
|
||||
return nullptr;
|
||||
};
|
||||
|
||||
// Move text so that cursor is always visible
|
||||
const auto* lastGlyph = GetGlyph(m_cursorPositionEnd, nullptr);
|
||||
float glyphPos = (lastGlyph) ? lastGlyph->bounds.x : 0.f;
|
||||
float glyphWidth = (lastGlyph) ? lastGlyph->bounds.width : 0.f;
|
||||
|
||||
auto& node = m_textEntity->GetComponent<Ndk::NodeComponent>();
|
||||
float textPosition = node.GetPosition(Nz::CoordSys_Local).x - paddingWidth;
|
||||
float cursorPosition = glyphPos + textPosition;
|
||||
float width = GetWidth();
|
||||
|
||||
if (width <= m_drawer.GetBounds().width)
|
||||
{
|
||||
if (cursorPosition + glyphWidth > width)
|
||||
node.Move(width - cursorPosition - glyphWidth, 0.f);
|
||||
else if (cursorPosition - glyphWidth < 0.f)
|
||||
node.Move(-cursorPosition + glyphWidth, 0.f);
|
||||
SetCursorPosition({ 0U, m_cursorPositionBegin.y });
|
||||
}
|
||||
else
|
||||
node.Move(-textPosition, 0.f); // Reset text position if we have enough room to show everything
|
||||
|
||||
// Show cursor/selection
|
||||
std::size_t selectionLineCount = m_cursorPositionEnd.y - m_cursorPositionBegin.y + 1;
|
||||
std::size_t oldSpriteCount = m_cursorSprites.size();
|
||||
if (m_cursorSprites.size() != selectionLineCount)
|
||||
{
|
||||
m_cursorSprites.resize(m_cursorPositionEnd.y - m_cursorPositionBegin.y + 1);
|
||||
for (std::size_t i = oldSpriteCount; i < m_cursorSprites.size(); ++i)
|
||||
std::size_t index = GetGlyphIndex(m_cursorPositionEnd);
|
||||
std::size_t spaceIndex = m_text.Find(' ', index);
|
||||
std::size_t endlIndex = m_text.Find('\n', index);
|
||||
|
||||
if (spaceIndex < endlIndex && spaceIndex != Nz::String::npos)
|
||||
{
|
||||
m_cursorSprites[i] = Nz::Sprite::New();
|
||||
m_cursorSprites[i]->SetMaterial(Nz::Material::New("Translucent2D"));
|
||||
if (m_text.GetSize() > spaceIndex)
|
||||
SetCursorPosition(spaceIndex + 1);
|
||||
else
|
||||
SetCursorPosition({ static_cast<unsigned int>(m_drawer.GetLineGlyphCount(m_cursorPositionEnd.y)), m_cursorPositionEnd.y });
|
||||
}
|
||||
}
|
||||
|
||||
float lineHeight = float(m_drawer.GetFont()->GetSizeInfo(m_drawer.GetCharacterSize()).lineHeight);
|
||||
|
||||
GraphicsComponent& gfxComponent = m_cursorEntity->GetComponent<GraphicsComponent>();
|
||||
gfxComponent.Clear();
|
||||
|
||||
for (unsigned int i = m_cursorPositionBegin.y; i <= m_cursorPositionEnd.y; ++i)
|
||||
{
|
||||
const auto& lineInfo = m_drawer.GetLine(i);
|
||||
|
||||
Nz::SpriteRef& cursorSprite = m_cursorSprites[i - m_cursorPositionBegin.y];
|
||||
if (i == m_cursorPositionBegin.y || i == m_cursorPositionEnd.y)
|
||||
else if (endlIndex != Nz::String::npos)
|
||||
{
|
||||
auto GetGlyphPos = [&](const Nz::Vector2ui& glyphPosition)
|
||||
{
|
||||
std::size_t glyphIndex;
|
||||
const auto* glyph = GetGlyph(glyphPosition, &glyphIndex);
|
||||
if (glyph)
|
||||
{
|
||||
float position = glyph->bounds.x;
|
||||
if (glyphIndex >= m_drawer.GetGlyphCount())
|
||||
position += glyph->bounds.width;
|
||||
|
||||
return position;
|
||||
}
|
||||
else
|
||||
return 0.f;
|
||||
};
|
||||
|
||||
float beginX = (i == m_cursorPositionBegin.y) ? GetGlyphPos({ m_cursorPositionBegin.x, i }) : 0.f;
|
||||
float endX = (i == m_cursorPositionEnd.y) ? GetGlyphPos({ m_cursorPositionEnd.x, i }) : lineInfo.bounds.width;
|
||||
float spriteSize = std::max(endX - beginX, 1.f);
|
||||
|
||||
cursorSprite->SetColor((m_cursorPositionBegin == m_cursorPositionEnd) ? Nz::Color::Black : Nz::Color(0, 0, 0, 50));
|
||||
cursorSprite->SetSize(spriteSize, float(m_drawer.GetFont()->GetSizeInfo(m_drawer.GetCharacterSize()).lineHeight));
|
||||
|
||||
gfxComponent.Attach(cursorSprite, Nz::Matrix4f::Translate({ beginX, lineInfo.bounds.y, 0.f }));
|
||||
if (index == endlIndex)
|
||||
SetCursorPosition(endlIndex + 1);
|
||||
else
|
||||
SetCursorPosition(endlIndex);
|
||||
}
|
||||
else
|
||||
{
|
||||
cursorSprite->SetColor(Nz::Color(0, 0, 0, 50));
|
||||
cursorSprite->SetSize(lineInfo.bounds.width, float(m_drawer.GetFont()->GetSizeInfo(m_drawer.GetCharacterSize()).lineHeight));
|
||||
|
||||
gfxComponent.Attach(cursorSprite, Nz::Matrix4f::Translate({ 0.f, lineInfo.bounds.y, 0.f }));
|
||||
}
|
||||
SetCursorPosition({ static_cast<unsigned int>(m_drawer.GetLineGlyphCount(m_cursorPositionEnd.y)), m_cursorPositionEnd.y });
|
||||
}
|
||||
}
|
||||
|
||||
@@ -677,10 +252,4 @@ namespace Ndk
|
||||
|
||||
SetCursorPosition(m_cursorPositionBegin); //< Refresh cursor position (prevent it from being outside of the text)
|
||||
}
|
||||
|
||||
void TextAreaWidget::UpdateTextSprite()
|
||||
{
|
||||
m_textSprite->Update(m_drawer);
|
||||
SetPreferredSize(Nz::Vector2f(m_textSprite->GetBoundingVolume().obb.localBox.GetLengths()));
|
||||
}
|
||||
}
|
||||
|
||||
Reference in New Issue
Block a user