Asset Browser Search Entries Highlight (#6133)

* Adding hilight to search entries Signed-off-by: AMZN-Igarri <82394219+AMZN-Igarri@users.noreply.github.com> * Delegate Cleanup Signed-off-by: AMZN-Igarri <82394219+AMZN-Igarri@users.noreply.github.com> * delegate cleanup Signed-off-by: AMZN-Igarri <82394219+AMZN-Igarri@users.noreply.github.com> * General cleanup Signed-off-by: AMZN-Igarri <82394219+AMZN-Igarri@users.noreply.github.com> * reformatting file Signed-off-by: AMZN-Igarri <82394219+AMZN-Igarri@users.noreply.github.com> * Updated Comments Signed-off-by: AMZN-Igarri <82394219+AMZN-Igarri@users.noreply.github.com> * Abstracted richText functions Signed-off-by: AMZN-Igarri <82394219+AMZN-Igarri@users.noreply.github.com> * Extracting highlighting behavior Signed-off-by: AMZN-Igarri <82394219+AMZN-Igarri@users.noreply.github.com> * Added highlighter to the entity outliner Signed-off-by: AMZN-Igarri <82394219+AMZN-Igarri@users.noreply.github.com> * Addressed Code Review Comments Signed-off-by: AMZN-Igarri <82394219+AMZN-Igarri@users.noreply.github.com> * Switched to static functions Signed-off-by: AMZN-Igarri <82394219+AMZN-Igarri@users.noreply.github.com> * changed variable name Signed-off-by: AMZN-Igarri <82394219+AMZN-Igarri@users.noreply.github.com> * Removed unused variable Signed-off-by: AMZN-Igarri <82394219+AMZN-Igarri@users.noreply.github.com> * Apply changes to the Entity Outliner Model Signed-off-by: AMZN-Igarri <82394219+AMZN-Igarri@users.noreply.github.com> * Removed duplicated line Signed-off-by: AMZN-Igarri <82394219+AMZN-Igarri@users.noreply.github.com>
2022-01-18 13:29:06 +01:00
parent 4cd3568d7b
commit c1bbe3806d
15 changed files with 167 additions and 53 deletions
@@ -0,0 +1,55 @@
+/*
+ * Copyright (c) Contributors to the Open 3D Engine Project.
+ * For complete copyright and license terms please see the LICENSE at the root of this distribution.
+ *
+ * SPDX-License-Identifier: Apache-2.0 OR MIT
+ *
+ */
+
+#include "RichTextHighlighter.h"
+
+namespace AzToolsFramework
+{
+
+    QString RichTextHighlighter::HighlightText(const QString& displayString, const QString& matchingSubstring)
+    {
+        QString highlightedString = displayString;
+        int highlightTextIndex = 0;
+        do
+        {
+            highlightTextIndex = highlightedString.lastIndexOf(matchingSubstring, highlightTextIndex - 1, Qt::CaseInsensitive);
+            if (highlightTextIndex >= 0)
+            {
+                const QString backgroundColor{ "#707070" };
+                highlightedString.insert(static_cast<int>(highlightTextIndex + matchingSubstring.length()), "</span>");
+                highlightedString.insert(highlightTextIndex, "<span style=\"background-color: " + backgroundColor + "\">");
+            }
+        } while (highlightTextIndex > 0);
+
+        return highlightedString;
+    }
+
+    void RichTextHighlighter::PaintHighlightedRichText(const QString& highlightedString,QPainter* painter, QStyleOptionViewItem option, QRect availableRect)
+    {
+        painter->save();
+        painter->setRenderHint(QPainter::Antialiasing);
+
+        // Now we setup a Text Document so it can draw the rich text
+        QTextDocument textDoc;
+        textDoc.setDefaultFont(option.font);
+        if (option.state & QStyle::State_Enabled)
+        {
+            textDoc.setDefaultStyleSheet("body {color: white}");
+        }
+        else
+        {
+            textDoc.setDefaultStyleSheet("body {color: #7C7C7C}");
+        }
+        textDoc.setHtml("<body>" + highlightedString + "</body>");
+        painter->translate(availableRect.topLeft());
+        textDoc.setTextWidth(availableRect.width());
+        textDoc.drawContents(painter, QRectF(0, 0, availableRect.width(), availableRect.height()));
+
+        painter->restore();
+    }
+} // namespace AzToolsFramework
@@ -0,0 +1,36 @@
+/*
+ * Copyright (c) Contributors to the Open 3D Engine Project.
+ * For complete copyright and license terms please see the LICENSE at the root of this distribution.
+ *
+ * SPDX-License-Identifier: Apache-2.0 OR MIT
+ *
+ */
+
+#pragma once
+
+#include <AzCore/Memory/SystemAllocator.h>
+#include <AzCore/base.h>
+#include <QString>
+#include <QStyleOptionViewItem>
+#include <QTextDocument>
+
+AZ_PUSH_DISABLE_WARNING(4251 4800,"-Wunknown-warning-option") // 4251: class 'QScopedPointer<QBrushData,QBrushDataPointerDeleter>' needs to have dll-interface to be used
+                                                              // by clients of class 'QBrush' 4800: 'uint': forcing value to bool 'true' or 'false' (performance warning)
+#include <QPainter>
+AZ_POP_DISABLE_WARNING
+
+namespace AzToolsFramework
+{
+    //! @class RichTextHighlighter
+    //! @brief Highlights a given string given a matching substring.
+    class RichTextHighlighter
+    {
+    public:
+        AZ_CLASS_ALLOCATOR(RichTextHighlighter, AZ::SystemAllocator, 0);
+        RichTextHighlighter() = delete;
+
+        static QString HighlightText(const QString& displayString, const QString& matchingSubstring);
+        static void PaintHighlightedRichText(const QString& highlightedString,QPainter* painter, QStyleOptionViewItem option, QRect availableRect);
+
+    };
+} // namespace AzToolsFramework