/*
- * Copyright (c) 2021 Samsung Electronics Co., Ltd.
+ * Copyright (c) 2022 Samsung Electronics Co., Ltd.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
#include <dali-toolkit/internal/text/text-controller-impl.h>
// EXTERNAL INCLUDES
-#include <cmath>
+#include <dali/devel-api/adaptor-framework/window-devel.h>
#include <dali/integration-api/debug.h>
+#include <dali/public-api/actors/layer.h>
#include <dali/public-api/rendering/renderer.h>
-#include <dali/devel-api/adaptor-framework/window-devel.h>
+#include <cmath>
// INTERNAL INCLUDES
-#include <dali-toolkit/devel-api/controls/control-depth-index-ranges.h>
-#include <dali-toolkit/internal/graphics/builtin-shader-extern-gen.h>
#include <dali-toolkit/internal/text/character-set-conversion.h>
#include <dali-toolkit/internal/text/cursor-helper-functions.h>
+#include <dali-toolkit/internal/text/glyph-metrics-helper.h>
#include <dali-toolkit/internal/text/text-control-interface.h>
#include <dali-toolkit/internal/text/text-controller-impl-data-clearer.h>
#include <dali-toolkit/internal/text/text-controller-impl-event-handler.h>
#include <dali-toolkit/internal/text/text-controller-impl-model-updater.h>
+#include <dali-toolkit/internal/text/text-controller-placeholder-handler.h>
+#include <dali-toolkit/internal/text/text-controller-relayouter.h>
#include <dali-toolkit/internal/text/text-editable-control-interface.h>
#include <dali-toolkit/internal/text/text-enumerations-impl.h>
#include <dali-toolkit/internal/text/text-run-container.h>
#include <dali-toolkit/internal/text/text-selection-handle-controller.h>
+#include <dali-toolkit/internal/text/underlined-glyph-run.h>
using namespace Dali;
Debug::Filter* gLogFilter = Debug::Filter::New(Debug::NoLogging, true, "LOG_TEXT_CONTROLS");
#endif
-struct BackgroundVertex
-{
- Vector2 mPosition; ///< Vertex posiiton
- Vector4 mColor; ///< Vertex color
-};
+constexpr float MAX_FLOAT = std::numeric_limits<float>::max();
-struct BackgroundMesh
-{
- Vector<BackgroundVertex> mVertices; ///< container of vertices
- Vector<unsigned short> mIndices; ///< container of indices
-};
+const std::string EMPTY_STRING("");
} // namespace
namespace Dali::Toolkit::Text
{
-
namespace
{
-
void SetDefaultInputStyle(InputStyle& inputStyle, const FontDefaults* const fontDefaults, const Vector4& textColor)
{
// Sets the default text's color.
decorator->StopCursorBlink();
decorator->SetHandleActive(GRAB_HANDLE, false);
if(eventData->mDecorator->IsHandleActive(LEFT_SELECTION_HANDLE) ||
- decorator->IsHandleActive(RIGHT_SELECTION_HANDLE))
+ decorator->IsHandleActive(RIGHT_SELECTION_HANDLE))
{
decorator->SetHandleActive(LEFT_SELECTION_HANDLE, false);
decorator->SetHandleActive(RIGHT_SELECTION_HANDLE, false);
return numberOfWhiteSpaces;
}
+void Controller::Impl::GetText(std::string& text) const
+{
+ if(!IsShowingPlaceholderText())
+ {
+ // Retrieves the text string.
+ GetText(0u, text);
+ }
+ else
+ {
+ DALI_LOG_INFO(gLogFilter, Debug::Verbose, "Controller::GetText %p empty (but showing placeholder)\n", this);
+ }
+}
+
void Controller::Impl::GetText(CharacterIndex index, std::string& text) const
{
// Get the total number of characters.
}
}
+Toolkit::DevelText::TextDirection::Type Controller::Impl::GetTextDirection()
+{
+ if(mUpdateTextDirection)
+ {
+ // Operations that can be done only once until the text changes.
+ const OperationsMask onlyOnceOperations = static_cast<OperationsMask>(CONVERT_TO_UTF32 |
+ GET_SCRIPTS |
+ VALIDATE_FONTS |
+ GET_LINE_BREAKS |
+ BIDI_INFO |
+ SHAPE_TEXT |
+ GET_GLYPH_METRICS);
+
+ // Set the update info to relayout the whole text.
+ mTextUpdateInfo.mParagraphCharacterIndex = 0u;
+ mTextUpdateInfo.mRequestedNumberOfCharacters = mModel->mLogicalModel->mText.Count();
+
+ // Make sure the model is up-to-date before layouting
+ UpdateModel(onlyOnceOperations);
+
+ Vector3 naturalSize;
+ Relayouter::DoRelayout(*this,
+ Size(MAX_FLOAT, MAX_FLOAT),
+ static_cast<OperationsMask>(onlyOnceOperations |
+ LAYOUT | REORDER | UPDATE_DIRECTION),
+ naturalSize.GetVectorXY());
+
+ // Do not do again the only once operations.
+ mOperationsPending = static_cast<OperationsMask>(mOperationsPending & ~onlyOnceOperations);
+
+ // Clear the update info. This info will be set the next time the text is updated.
+ mTextUpdateInfo.Clear();
+
+ // FullRelayoutNeeded should be true because DoRelayout is MAX_FLOAT, MAX_FLOAT.
+ mTextUpdateInfo.mFullRelayoutNeeded = true;
+
+ mUpdateTextDirection = false;
+ }
+
+ return mIsTextDirectionRTL ? Toolkit::DevelText::TextDirection::RIGHT_TO_LEFT : Toolkit::DevelText::TextDirection::LEFT_TO_RIGHT;
+}
+
void Controller::Impl::CalculateTextUpdateIndices(Length& numberOfCharacters)
{
mTextUpdateInfo.mParagraphCharacterIndex = 0u;
if(nullptr == mFontDefaults)
{
TextAbstraction::FontDescription fontDescription;
- defaultFontId = mFontClient.GetFontId(fontDescription, TextAbstraction::FontClient::DEFAULT_POINT_SIZE * mFontSizeScale);
+ defaultFontId = mFontClient.GetFontId(fontDescription, TextAbstraction::FontClient::DEFAULT_POINT_SIZE * GetFontSizeScale());
}
else
{
- defaultFontId = mFontDefaults->GetFontId(mFontClient, mFontDefaults->mDefaultPointSize * mFontSizeScale);
+ defaultFontId = mFontDefaults->GetFontId(mFontClient, mFontDefaults->mDefaultPointSize * GetFontSizeScale());
}
Text::FontMetrics fontMetrics;
if(std::fabs(lineSpacing - mLayoutEngine.GetDefaultLineSpacing()) > Math::MACHINE_EPSILON_1000)
{
mLayoutEngine.SetDefaultLineSpacing(lineSpacing);
- mRecalculateNaturalSize = true;
- RelayoutForNewLineSize();
+ RelayoutAllCharacters();
return true;
}
return false;
if(std::fabs(lineSize - mLayoutEngine.GetDefaultLineSize()) > Math::MACHINE_EPSILON_1000)
{
mLayoutEngine.SetDefaultLineSize(lineSize);
- mRecalculateNaturalSize = true;
- RelayoutForNewLineSize();
+ RelayoutAllCharacters();
+ return true;
+ }
+ return false;
+}
+
+bool Controller::Impl::SetRelativeLineSize(float relativeLineSize)
+{
+ if(std::fabs(relativeLineSize - GetRelativeLineSize()) > Math::MACHINE_EPSILON_1000)
+ {
+ mLayoutEngine.SetRelativeLineSize(relativeLineSize);
+
+ RelayoutAllCharacters();
return true;
}
return false;
}
+float Controller::Impl::GetRelativeLineSize()
+{
+ return mLayoutEngine.GetRelativeLineSize();
+}
+
+string Controller::Impl::GetSelectedText()
+{
+ string text;
+ if(EventData::SELECTING == mEventData->mState)
+ {
+ RetrieveSelection(text, false);
+ }
+ return text;
+}
+
+string Controller::Impl::CopyText()
+{
+ string text;
+ RetrieveSelection(text, false);
+ SendSelectionToClipboard(false); // Text not modified
+
+ mEventData->mUpdateCursorPosition = true;
+
+ RequestRelayout(); // Cursor, Handles, Selection Highlight, Popup
+
+ return text;
+}
+
+string Controller::Impl::CutText()
+{
+ string text;
+ RetrieveSelection(text, false);
+
+ if(!IsEditable())
+ {
+ return EMPTY_STRING;
+ }
+
+ SendSelectionToClipboard(true); // Synchronous call to modify text
+ mOperationsPending = ALL_OPERATIONS;
+
+ if((0u != mModel->mLogicalModel->mText.Count()) ||
+ !IsPlaceholderAvailable())
+ {
+ QueueModifyEvent(ModifyEvent::TEXT_DELETED);
+ }
+ else
+ {
+ PlaceholderHandler::ShowPlaceholderText(*this);
+ }
+
+ mEventData->mUpdateCursorPosition = true;
+ mEventData->mScrollAfterDelete = true;
+
+ RequestRelayout();
+
+ if(nullptr != mEditableControlInterface)
+ {
+ mEditableControlInterface->TextChanged(true);
+ }
+ return text;
+}
+
void Controller::Impl::SetTextSelectionRange(const uint32_t* pStart, const uint32_t* pEnd)
{
if(nullptr == mEventData)
parameters.logical = logical;
parameters.isMultiline = isMultiLine;
+ float defaultFontLineHeight = GetDefaultFontLineHeight();
+
Text::GetCursorPosition(parameters,
+ defaultFontLineHeight,
cursorInfo);
// Adds Outline offset.
}
}
-Actor Controller::Impl::CreateBackgroundActor()
-{
- // NOTE: Currently we only support background color for left-to-right text.
-
- Actor actor;
-
- Length numberOfGlyphs = mView.GetNumberOfGlyphs();
- if(numberOfGlyphs > 0u)
- {
- Vector<GlyphInfo> glyphs;
- glyphs.Resize(numberOfGlyphs);
-
- Vector<Vector2> positions;
- positions.Resize(numberOfGlyphs);
-
- // Get the line where the glyphs are laid-out.
- const LineRun* lineRun = mModel->mVisualModel->mLines.Begin();
- float alignmentOffset = lineRun->alignmentOffset;
- numberOfGlyphs = mView.GetGlyphs(glyphs.Begin(),
- positions.Begin(),
- alignmentOffset,
- 0u,
- numberOfGlyphs);
-
- glyphs.Resize(numberOfGlyphs);
- positions.Resize(numberOfGlyphs);
-
- const GlyphInfo* const glyphsBuffer = glyphs.Begin();
- const Vector2* const positionsBuffer = positions.Begin();
-
- BackgroundMesh mesh;
- mesh.mVertices.Reserve(4u * glyphs.Size());
- mesh.mIndices.Reserve(6u * glyphs.Size());
-
- const Vector2 textSize = mView.GetLayoutSize();
-
- const float offsetX = alignmentOffset + textSize.width * 0.5f;
- const float offsetY = textSize.height * 0.5f;
-
- const Vector4* const backgroundColorsBuffer = mView.GetBackgroundColors();
- const ColorIndex* const backgroundColorIndicesBuffer = mView.GetBackgroundColorIndices();
- const Vector4& defaultBackgroundColor = mModel->mVisualModel->IsBackgroundEnabled() ? mModel->mVisualModel->GetBackgroundColor() : Color::TRANSPARENT;
-
- Vector4 quad;
- uint32_t numberOfQuads = 0u;
- Length yLineOffset = 0;
- Length prevLineIndex = 0;
- LineIndex lineIndex;
- Length numberOfLines;
-
- for(uint32_t i = 0, glyphSize = glyphs.Size(); i < glyphSize; ++i)
- {
- const GlyphInfo& glyph = *(glyphsBuffer + i);
-
- // Get the background color of the character.
- // The color index zero is reserved for the default background color (i.e. Color::TRANSPARENT)
- const bool isMarkupBackground = mView.IsMarkupBackgroundColorSet();
- const ColorIndex backgroundColorIndex = isMarkupBackground ? *(backgroundColorIndicesBuffer + i) : 0u;
- const bool isDefaultBackgroundColor = (0u == backgroundColorIndex);
- const Vector4& backgroundColor = isDefaultBackgroundColor ? defaultBackgroundColor : *(backgroundColorsBuffer + backgroundColorIndex - 1u);
-
- mModel->mVisualModel->GetNumberOfLines(i, 1, lineIndex, numberOfLines);
- Length lineHeight = lineRun[lineIndex].ascender + -(lineRun[lineIndex].descender) + lineRun[lineIndex].lineSpacing;
-
- if(lineIndex != prevLineIndex)
- {
- yLineOffset += lineHeight;
- }
-
- // Only create quads for glyphs with a background color
- if(backgroundColor != Color::TRANSPARENT)
- {
- const Vector2 position = *(positionsBuffer + i);
-
- if(i == 0u && glyphSize == 1u) // Only one glyph in the whole text
- {
- quad.x = position.x;
- quad.y = yLineOffset;
- quad.z = quad.x + std::max(glyph.advance, glyph.xBearing + glyph.width);
- quad.w = lineHeight;
- }
- else if((lineIndex != prevLineIndex) || (i == 0u)) // The first glyph in the line
- {
- quad.x = position.x;
- quad.y = yLineOffset;
- quad.z = quad.x - glyph.xBearing + glyph.advance;
- quad.w = quad.y + lineHeight;
- }
- else if(i == glyphSize - 1u) // The last glyph in the whole text
- {
- quad.x = position.x - glyph.xBearing;
- quad.y = yLineOffset;
- quad.z = quad.x + std::max(glyph.advance, glyph.xBearing + glyph.width);
- quad.w = quad.y + lineHeight;
- }
- else // The glyph in the middle of the text
- {
- quad.x = position.x - glyph.xBearing;
- quad.y = yLineOffset;
- quad.z = quad.x + glyph.advance;
- quad.w = quad.y + lineHeight;
- }
-
- BackgroundVertex vertex;
-
- // Top left
- vertex.mPosition.x = quad.x - offsetX;
- vertex.mPosition.y = quad.y - offsetY;
- vertex.mColor = backgroundColor;
- mesh.mVertices.PushBack(vertex);
-
- // Top right
- vertex.mPosition.x = quad.z - offsetX;
- vertex.mPosition.y = quad.y - offsetY;
- vertex.mColor = backgroundColor;
- mesh.mVertices.PushBack(vertex);
-
- // Bottom left
- vertex.mPosition.x = quad.x - offsetX;
- vertex.mPosition.y = quad.w - offsetY;
- vertex.mColor = backgroundColor;
- mesh.mVertices.PushBack(vertex);
-
- // Bottom right
- vertex.mPosition.x = quad.z - offsetX;
- vertex.mPosition.y = quad.w - offsetY;
- vertex.mColor = backgroundColor;
- mesh.mVertices.PushBack(vertex);
-
- // Six indices in counter clockwise winding
- mesh.mIndices.PushBack(1u + 4 * numberOfQuads);
- mesh.mIndices.PushBack(0u + 4 * numberOfQuads);
- mesh.mIndices.PushBack(2u + 4 * numberOfQuads);
- mesh.mIndices.PushBack(2u + 4 * numberOfQuads);
- mesh.mIndices.PushBack(3u + 4 * numberOfQuads);
- mesh.mIndices.PushBack(1u + 4 * numberOfQuads);
-
- numberOfQuads++;
- }
-
- if(lineIndex != prevLineIndex)
- {
- prevLineIndex = lineIndex;
- }
- }
-
- // Only create the background actor if there are glyphs with background color
- if(mesh.mVertices.Count() > 0u)
- {
- Property::Map quadVertexFormat;
- quadVertexFormat["aPosition"] = Property::VECTOR2;
- quadVertexFormat["aColor"] = Property::VECTOR4;
-
- VertexBuffer quadVertices = VertexBuffer::New(quadVertexFormat);
- quadVertices.SetData(&mesh.mVertices[0], mesh.mVertices.Size());
-
- Geometry quadGeometry = Geometry::New();
- quadGeometry.AddVertexBuffer(quadVertices);
- quadGeometry.SetIndexBuffer(&mesh.mIndices[0], mesh.mIndices.Size());
-
- if(!mShaderBackground)
- {
- mShaderBackground = Shader::New(SHADER_TEXT_CONTROLLER_BACKGROUND_SHADER_VERT, SHADER_TEXT_CONTROLLER_BACKGROUND_SHADER_FRAG);
- }
-
- Dali::Renderer renderer = Dali::Renderer::New(quadGeometry, mShaderBackground);
- renderer.SetProperty(Dali::Renderer::Property::BLEND_MODE, BlendMode::ON);
- renderer.SetProperty(Dali::Renderer::Property::DEPTH_INDEX, DepthIndex::CONTENT);
-
- actor = Actor::New();
- actor.SetProperty(Dali::Actor::Property::NAME, "TextBackgroundColorActor");
- actor.SetProperty(Actor::Property::PARENT_ORIGIN, ParentOrigin::TOP_LEFT);
- actor.SetProperty(Actor::Property::ANCHOR_POINT, AnchorPoint::TOP_LEFT);
- actor.SetProperty(Actor::Property::SIZE, textSize);
- actor.SetProperty(Actor::Property::COLOR_MODE, USE_OWN_MULTIPLY_PARENT_COLOR);
- actor.AddRenderer(renderer);
- }
- }
-
- return actor;
-}
-
-void Controller::Impl::RelayoutForNewLineSize()
+void Controller::Impl::RelayoutAllCharacters()
{
// relayout all characters
mTextUpdateInfo.mCharacterIndex = 0;
mTextUpdateInfo.mNumberOfCharactersToAdd = mModel->mLogicalModel->mText.Count();
mOperationsPending = static_cast<OperationsMask>(mOperationsPending | LAYOUT);
+ mTextUpdateInfo.mFullRelayoutNeeded = true;
+
+ // Need to recalculate natural size
+ mRecalculateNaturalSize = true;
+
//remove selection
- if(mEventData && mEventData->mState == EventData::SELECTING)
+ if((mEventData != nullptr) && (mEventData->mState == EventData::SELECTING))
{
ChangeState(EventData::EDITING);
}
// Emit the input style changed signal for each mask
std::for_each(mEventData->mInputStyleChangedQueue.begin(),
mEventData->mInputStyleChangedQueue.end(),
- [&](const auto mask) { mEditableControlInterface->InputStyleChanged(mask); } );
+ [&](const auto mask) { mEditableControlInterface->InputStyleChanged(mask); });
}
mEventData->mInputStyleChangedQueue.Clear();
{
CharacterIndex characterIndex = it->characterRun.characterIndex;
Length numberOfCharacters = it->characterRun.numberOfCharacters;
- for(Length index = 0u; index < numberOfCharacters; index++)
+
+ if(numberOfCharacters == 0)
{
- GlyphRun underlineGlyphRun;
- underlineGlyphRun.glyphIndex = charactersToGlyph[characterIndex + index];
- underlineGlyphRun.numberOfGlyphs = glyphsPerCharacter[characterIndex + index];
- mModel->mVisualModel->mUnderlineRuns.PushBack(underlineGlyphRun);
+ continue;
}
+
+ // Create one run for all glyphs of all run's characters that has same properties
+ // This enhance performance and reduce the needed memory to store glyphs-runs
+ UnderlinedGlyphRun underlineGlyphRun;
+ underlineGlyphRun.glyphRun.glyphIndex = charactersToGlyph[characterIndex];
+ underlineGlyphRun.glyphRun.numberOfGlyphs = glyphsPerCharacter[characterIndex];
+ //Copy properties (attributes)
+ underlineGlyphRun.properties = it->properties;
+
+ for(Length index = 1u; index < numberOfCharacters; index++)
+ {
+ underlineGlyphRun.glyphRun.numberOfGlyphs += glyphsPerCharacter[characterIndex + index];
+ }
+
+ mModel->mVisualModel->mUnderlineRuns.PushBack(underlineGlyphRun);
+ }
+}
+
+void Controller::Impl::CopyStrikethroughFromLogicalToVisualModels()
+{
+ //Strikethrough character runs from markup-processor
+ const Vector<StrikethroughCharacterRun>& strikethroughCharacterRuns = mModel->mLogicalModel->mStrikethroughCharacterRuns;
+ const Vector<GlyphIndex>& charactersToGlyph = mModel->mVisualModel->mCharactersToGlyph;
+ const Vector<Length>& glyphsPerCharacter = mModel->mVisualModel->mGlyphsPerCharacter;
+
+ mModel->mVisualModel->mStrikethroughRuns.Clear();
+
+ for(Vector<StrikethroughCharacterRun>::ConstIterator it = strikethroughCharacterRuns.Begin(), endIt = strikethroughCharacterRuns.End(); it != endIt; ++it)
+ {
+ CharacterIndex characterIndex = it->characterRun.characterIndex;
+ Length numberOfCharacters = it->characterRun.numberOfCharacters;
+
+ if(numberOfCharacters == 0)
+ {
+ continue;
+ }
+
+ StrikethroughGlyphRun strikethroughGlyphRun;
+ strikethroughGlyphRun.color = it->color;
+ strikethroughGlyphRun.isColorSet = it->isColorSet;
+ strikethroughGlyphRun.glyphRun.glyphIndex = charactersToGlyph[characterIndex];
+ strikethroughGlyphRun.glyphRun.numberOfGlyphs = glyphsPerCharacter[characterIndex];
+
+ for(Length index = 1u; index < numberOfCharacters; index++)
+ {
+ strikethroughGlyphRun.glyphRun.numberOfGlyphs += glyphsPerCharacter[characterIndex + index];
+ }
+
+ mModel->mVisualModel->mStrikethroughRuns.PushBack(strikethroughGlyphRun);
}
}
{
// Set the alignment.
mModel->mVerticalAlignment = alignment;
- mOperationsPending = static_cast<OperationsMask>(mOperationsPending | ALIGN);
+ mOperationsPending = static_cast<OperationsMask>(mOperationsPending | ALIGN);
RequestRelayout();
}
}
{
mModel->mLogicalModel->mColorRuns.Clear();
mModel->mLogicalModel->ClearFontDescriptionRuns();
+ mModel->mLogicalModel->ClearStrikethroughRuns();
}
-
void Controller::Impl::ResetScrollPosition()
{
if(mEventData)
projects / platform / core / uifw / dali-toolkit.git / blobdiff