From e4355eeb486c4081dd7cef81db9ddb60ac6d5aa3 Mon Sep 17 00:00:00 2001
From: BeyondXinXin <78600221+BeyondXinXin@users.noreply.github.com>
Date: Sat, 25 Sep 2021 11:25:01 +0800
Subject: [PATCH] * Sets the default search to the currently selected text
 (#1886)

* * Sets the default search to the currently selected text

* * Specification code
---
 src/widgets/markdownviewwindow.cpp | 17 +++++++++++++++++
 src/widgets/markdownviewwindow.h   |  2 ++
 src/widgets/textviewwindow.cpp     |  6 ++++++
 src/widgets/textviewwindow.h       |  2 ++
 src/widgets/viewwindow.cpp         |  7 ++++++-
 src/widgets/viewwindow.h           |  2 ++
 6 files changed, 35 insertions(+), 1 deletion(-)

diff --git a/src/widgets/markdownviewwindow.cpp b/src/widgets/markdownviewwindow.cpp
index b25b4952..75143451 100644
--- a/src/widgets/markdownviewwindow.cpp
+++ b/src/widgets/markdownviewwindow.cpp
@@ -1115,6 +1115,23 @@ QPoint MarkdownViewWindow::getFloatingWidgetPosition()
     return TextViewWindowHelper::getFloatingWidgetPosition(this);
 }
 
+QString MarkdownViewWindow::selectedText() const
+{
+    switch (m_mode) {
+    case ViewWindowMode::FullPreview:
+    case ViewWindowMode::Invalid:
+        Q_FALLTHROUGH();
+    case ViewWindowMode::Read:
+        Q_ASSERT(m_viewer);
+        return m_viewer->selectedText();
+    case ViewWindowMode::Edit:
+    case ViewWindowMode::FocusPreview:
+        Q_ASSERT(m_editor);
+        return m_editor->getTextEdit()->selectedText();
+    }
+    return QString("");
+}
+
 void MarkdownViewWindow::handleImageHostChanged(const QString &p_hostName)
 {
     m_imageHost = ImageHostMgr::getInst().find(p_hostName);
diff --git a/src/widgets/markdownviewwindow.h b/src/widgets/markdownviewwindow.h
index 96dc99ff..df5b9cc7 100644
--- a/src/widgets/markdownviewwindow.h
+++ b/src/widgets/markdownviewwindow.h
@@ -93,6 +93,8 @@ namespace vnotex
 
         QPoint getFloatingWidgetPosition() Q_DECL_OVERRIDE;
 
+        QString selectedText() const Q_DECL_OVERRIDE;
+
     private:
         void setupUI();
 
diff --git a/src/widgets/textviewwindow.cpp b/src/widgets/textviewwindow.cpp
index dda20e08..a20bb3e9 100644
--- a/src/widgets/textviewwindow.cpp
+++ b/src/widgets/textviewwindow.cpp
@@ -291,3 +291,9 @@ QPoint TextViewWindow::getFloatingWidgetPosition()
 {
     return TextViewWindowHelper::getFloatingWidgetPosition(this);
 }
+
+QString TextViewWindow::selectedText() const
+{
+    Q_ASSERT(m_editor);
+    return m_editor->getTextEdit()->selectedText();
+}
diff --git a/src/widgets/textviewwindow.h b/src/widgets/textviewwindow.h
index dc2efb43..7b241689 100644
--- a/src/widgets/textviewwindow.h
+++ b/src/widgets/textviewwindow.h
@@ -66,6 +66,8 @@ namespace vnotex
 
         QPoint getFloatingWidgetPosition() Q_DECL_OVERRIDE;
 
+        QString selectedText() const Q_DECL_OVERRIDE;
+
     private:
         void setupUI();
 
diff --git a/src/widgets/viewwindow.cpp b/src/widgets/viewwindow.cpp
index ac94d94d..0f7e818d 100644
--- a/src/widgets/viewwindow.cpp
+++ b/src/widgets/viewwindow.cpp
@@ -655,6 +655,11 @@ void ViewWindow::handleImageHostChanged(const QString &p_hostName)
     Q_ASSERT(false);
 }
 
+QString ViewWindow::selectedText() const
+{
+    return QString();
+}
+
 ViewWindow::TypeAction ViewWindow::toolBarActionToTypeAction(ViewWindowToolBarHelper::Action p_action)
 {
     Q_ASSERT(p_action >= ViewWindowToolBarHelper::Action::TypeBold
@@ -970,7 +975,7 @@ void ViewWindow::showFindAndReplaceWidget()
                 this, &ViewWindow::handleFindAndReplaceWidgetOpened);
     }
 
-    m_findAndReplace->open(QString());
+    m_findAndReplace->open(selectedText());
 }
 
 void ViewWindow::hideFindAndReplaceWidget()
diff --git a/src/widgets/viewwindow.h b/src/widgets/viewwindow.h
index 7620cca6..3d97c737 100644
--- a/src/widgets/viewwindow.h
+++ b/src/widgets/viewwindow.h
@@ -218,6 +218,8 @@ namespace vnotex
 
         virtual void zoom(bool p_zoomIn) = 0;
 
+        virtual QString selectedText() const;
+
         void showZoomFactor(qreal p_factor);
 
         void showZoomDelta(int p_delta);