X-Git-Url: http://review.tizen.org/git/?p=platform%2Fcore%2Fuifw%2Fdali-toolkit.git;a=blobdiff_plain;f=dali-toolkit%2Finternal%2Ftext%2Ftext-controller-relayouter.cpp;h=34e7053cc512b9f3d714ba7f343e7927232c0858;hp=ce40c6073bbeab190512ebeebf4794a483fc1873;hb=1faec7a15fc94a07f69c90ef6707f590b2ff7072;hpb=c4636249c15bf97b972dadf60a0070aae531ed5e diff --git a/dali-toolkit/internal/text/text-controller-relayouter.cpp b/dali-toolkit/internal/text/text-controller-relayouter.cpp index ce40c60..34e7053 100644 --- a/dali-toolkit/internal/text/text-controller-relayouter.cpp +++ b/dali-toolkit/internal/text/text-controller-relayouter.cpp @@ -49,7 +49,7 @@ namespace Toolkit { namespace Text { -Size Controller::Relayouter::CalculateLayoutSizeOnRequiredControllerSize(Controller& controller, const Size& requestedControllerSize, const OperationsMask& requestedOperationsMask, bool restoreLinesAndGlyphPositions) +Size Controller::Relayouter::CalculateLayoutSizeOnRequiredControllerSize(Controller& controller, const Size& requestedControllerSize, const OperationsMask& requestedOperationsMask) { DALI_LOG_INFO(gLogFilter, Debug::Verbose, "-->CalculateLayoutSizeOnRequiredControllerSize\n"); Size calculatedLayoutSize; @@ -58,17 +58,6 @@ Size Controller::Relayouter::CalculateLayoutSizeOnRequiredControllerSize(Control ModelPtr& model = impl.mModel; VisualModelPtr& visualModel = model->mVisualModel; - // Store the pending operations mask so that it can be restored later on with no modifications made on it - // while getting the natural size were reflected on the original mask. - OperationsMask operationsPendingBackUp = static_cast(impl.mOperationsPending); - - // This is a hotfix for side effect on Scrolling, LineWrap and Invalid position of cursor in TextEditor after calling CalculateLayoutSizeOnRequiredControllerSize. - // The number of lines and glyph-positions inside visualModel have been changed by calling DoRelayout with requestedControllerSize. - // Store the mLines and mGlyphPositions from visualModel so that they can be restored later on with no modifications made on them. - //TODO: Refactor "DoRelayout" and extract common code of size calculation without modifying attributes of mVisualModel, and then blah, blah, etc. - Vector linesBackup = visualModel->mLines; - Vector glyphPositionsBackup = visualModel->mGlyphPositions; - // Operations that can be done only once until the text changes. const OperationsMask onlyOnceOperations = static_cast(CONVERT_TO_UTF32 | GET_SCRIPTS | @@ -89,39 +78,59 @@ Size Controller::Relayouter::CalculateLayoutSizeOnRequiredControllerSize(Control textUpdateInfo.mParagraphCharacterIndex = 0u; textUpdateInfo.mRequestedNumberOfCharacters = model->mLogicalModel->mText.Count(); - // Make sure the model is up-to-date before layouting - impl.UpdateModel(onlyOnceOperations); + // This is to keep Index to the first character to be updated. + // Then restore it after calling Clear method. + auto updateInfoCharIndexBackup = textUpdateInfo.mCharacterIndex; // Get a reference to the pending operations member OperationsMask& operationsPending = impl.mOperationsPending; // Layout the text for the new width. - operationsPending = static_cast(operationsPending | requestedOperationsMask); + // Apply the pending operations, requested operations and the only once operations. + // Then remove onlyOnceOperations + operationsPending = static_cast(operationsPending | requestedOperationsMask | onlyOnceOperations); + + // Make sure the model is up-to-date before layouting + impl.UpdateModel(static_cast(operationsPending & ~UPDATE_LAYOUT_SIZE)); // Store the actual control's size to restore later. const Size actualControlSize = visualModel->mControlSize; DoRelayout(impl, requestedControllerSize, - static_cast(onlyOnceOperations | - requestedOperationsMask), + static_cast(operationsPending & ~UPDATE_LAYOUT_SIZE), calculatedLayoutSize); // Clear the update info. This info will be set the next time the text is updated. textUpdateInfo.Clear(); - textUpdateInfo.mClearAll = true; + + //TODO: Refactor "DoRelayout" and extract common code of size calculation without modifying attributes of mVisualModel, + //TODO: then calculate GlyphPositions. Lines, Size, Layout for Natural-Size + //TODO: and utilize the values in OperationsPending and TextUpdateInfo without changing the original one. + //TODO: Also it will improve performance because there is no need todo FullRelyout on the next need for layouting. + + // FullRelayoutNeeded should be true because DoRelayout is MAX_FLOAT, MAX_FLOAT. + // By this no need to take backup and restore it. + textUpdateInfo.mFullRelayoutNeeded = true; + + // Restore mCharacterIndex. Because "Clear" set it to the maximum integer. + // The "CalculateTextUpdateIndices" does not work proprely because the mCharacterIndex will be greater than mPreviousNumberOfCharacters. + // Which apply an assumption to update only the last paragraph. That could cause many of out of index crashes. + textUpdateInfo.mCharacterIndex = updateInfoCharIndexBackup; + + // Do not do again the only once operations. + operationsPending = static_cast(operationsPending & ~onlyOnceOperations); + + // Do the size related operations again. + + const OperationsMask sizeOperations = static_cast(LAYOUT | + ALIGN | + REORDER); + + operationsPending = static_cast(operationsPending | sizeOperations); // Restore the actual control's size. visualModel->mControlSize = actualControlSize; - // Restore the previously backed-up pending operations' mask without the only once operations. - impl.mOperationsPending = static_cast(operationsPendingBackUp & ~onlyOnceOperations); - - // Restore the previously backed-up mLines and mGlyphPositions from visualModel. - if(restoreLinesAndGlyphPositions) - { - visualModel->mLines = linesBackup; - visualModel->mGlyphPositions = glyphPositionsBackup; - } return calculatedLayoutSize; } @@ -146,7 +155,7 @@ Vector3 Controller::Relayouter::GetNaturalSize(Controller& controller) OperationsMask requestedOperationsMask = static_cast(LAYOUT | REORDER); Size sizeMaxWidthAndMaxHeight = Size(MAX_FLOAT, MAX_FLOAT); - naturalSize = CalculateLayoutSizeOnRequiredControllerSize(controller, sizeMaxWidthAndMaxHeight, requestedOperationsMask, true); + naturalSize = CalculateLayoutSizeOnRequiredControllerSize(controller, sizeMaxWidthAndMaxHeight, requestedOperationsMask); // Stores the natural size to avoid recalculate it again // unless the text/style changes. @@ -295,15 +304,7 @@ float Controller::Relayouter::GetHeightForWidth(Controller& controller, float wi OperationsMask requestedOperationsMask = static_cast(LAYOUT); Size sizeRequestedWidthAndMaxHeight = Size(width, MAX_FLOAT); - // Skip restore, because if GetHeightForWidth called before rendering and layouting then visualModel->mControlSize will be zero which will make LineCount zero. - // The implementation of Get LineCount property depends on calling GetHeightForWidth then read mLines.Count() from visualModel direct. - // If the LineCount property is requested before rendering and layouting then the value will be zero, which is incorrect. - // So we will not restore the previously backed-up mLines and mGlyphPositions from visualModel in such case. - // Another case to skip restore is when the requested width equals the Control's width which means the caller need to update the old values. - // For example, when the text is changed. - bool restoreLinesAndGlyphPositions = (visualModel->mControlSize.width > 0 && visualModel->mControlSize.height > 0) && (visualModel->mControlSize.width != width); - - layoutSize = CalculateLayoutSizeOnRequiredControllerSize(controller, sizeRequestedWidthAndMaxHeight, requestedOperationsMask, restoreLinesAndGlyphPositions); + layoutSize = CalculateLayoutSizeOnRequiredControllerSize(controller, sizeRequestedWidthAndMaxHeight, requestedOperationsMask); DALI_LOG_INFO(gLogFilter, Debug::Verbose, "<--Controller::GetHeightForWidth calculated %f\n", layoutSize.height); }