<refactor, feat>(ui): Text editor improvements.

1. Add binary display mode
2. Add information bar
3. Added character code recognition function.
4. Identify text encoding and line breaks
5. Count the number of characters
6. Code reconstruction

1 files changed, 27 insertions, 25 deletions

diff --git a/src/ui/FindWidget.cpp b/src/ui/FindWidget.cpp
index 6326b119..b95859a1 100644
--- a/src/ui/FindWidget.cpp
+++ b/src/ui/FindWidget.cpp
@@ -26,8 +26,8 @@
 
 namespace GpgFrontend::UI {
 
-FindWidget::FindWidget(QWidget* parent, QTextEdit* edit) : QWidget(parent) {
-  mTextpage = edit;
+FindWidget::FindWidget(QWidget* parent, PlainTextEditorPage* edit)
+    : QWidget(parent), mTextpage(edit) {
   findEdit = new QLineEdit(this);
   auto* closeButton = new QPushButton(
       this->style()->standardIcon(QStyle::SP_TitleBarCloseButton), QString(),
@@ -55,12 +55,13 @@ FindWidget::FindWidget(QWidget* parent, QTextEdit* edit) : QWidget(parent) {
 }
 
 void FindWidget::setBackground() {
-  QTextCursor cursor = mTextpage->textCursor();
+  auto cursor = mTextpage->getTextPage()->textCursor();
   // if match is found set background of QLineEdit to white, otherwise to red
   QPalette bgPalette(findEdit->palette());
 
   if (!findEdit->text().isEmpty() &&
-      mTextpage->document()->find(findEdit->text()).position() < 0) {
+      mTextpage->getTextPage()->document()->find(findEdit->text()).position() <
+          0) {
     bgPalette.setColor(QPalette::Base, "#ececba");
   } else {
     bgPalette.setColor(QPalette::Base, Qt::white);
@@ -69,45 +70,45 @@ void FindWidget::setBackground() {
 }
 
 void FindWidget::slotFindNext() {
-  QTextCursor cursor = mTextpage->textCursor();
-  cursor = mTextpage->document()->find(findEdit->text(), cursor,
-                                       QTextDocument::FindCaseSensitively);
+  QTextCursor cursor = mTextpage->getTextPage()->textCursor();
+  cursor = mTextpage->getTextPage()->document()->find(
+      findEdit->text(), cursor, QTextDocument::FindCaseSensitively);
 
   // if end of document is reached, restart search from beginning
   if (cursor.position() == -1) {
-    cursor = mTextpage->document()->find(findEdit->text(), cursor,
-                                         QTextDocument::FindCaseSensitively);
+    cursor = mTextpage->getTextPage()->document()->find(
+        findEdit->text(), cursor, QTextDocument::FindCaseSensitively);
   }
 
   // cursor should not stay at -1, otherwise text is not editable
   // todo: check how gedit handles this
   if (cursor.position() != -1) {
-    mTextpage->setTextCursor(cursor);
+    mTextpage->getTextPage()->setTextCursor(cursor);
   }
   this->setBackground();
 }
 
 void FindWidget::slotFind() {
-  QTextCursor cursor = mTextpage->textCursor();
+  QTextCursor cursor = mTextpage->getTextPage()->textCursor();
 
   if (cursor.anchor() == -1) {
-    cursor = mTextpage->document()->find(findEdit->text(), cursor,
-                                         QTextDocument::FindCaseSensitively);
+    cursor = mTextpage->getTextPage()->document()->find(
+        findEdit->text(), cursor, QTextDocument::FindCaseSensitively);
   } else {
-    cursor = mTextpage->document()->find(findEdit->text(), cursor.anchor(),
-                                         QTextDocument::FindCaseSensitively);
+    cursor = mTextpage->getTextPage()->document()->find(
+        findEdit->text(), cursor.anchor(), QTextDocument::FindCaseSensitively);
   }
 
   // if end of document is reached, restart search from beginning
   if (cursor.position() == -1) {
-    cursor = mTextpage->document()->find(findEdit->text(), cursor,
-                                         QTextDocument::FindCaseSensitively);
+    cursor = mTextpage->getTextPage()->document()->find(
+        findEdit->text(), cursor, QTextDocument::FindCaseSensitively);
   }
 
   // cursor should not stay at -1, otherwise text is not editable
   // todo: check how gedit handles this
   if (cursor.position() != -1) {
-    mTextpage->setTextCursor(cursor);
+    mTextpage->getTextPage()->setTextCursor(cursor);
   }
   this->setBackground();
 }
@@ -117,19 +118,20 @@ void FindWidget::slotFindPrevious() {
   flags |= QTextDocument::FindBackward;
   flags |= QTextDocument::FindCaseSensitively;
 
-  QTextCursor cursor = mTextpage->textCursor();
-  cursor = mTextpage->document()->find(findEdit->text(), cursor, flags);
+  QTextCursor cursor = mTextpage->getTextPage()->textCursor();
+  cursor = mTextpage->getTextPage()->document()->find(findEdit->text(), cursor,
+                                                      flags);
 
   // if begin of document is reached, restart search from end
   if (cursor.position() == -1) {
-    cursor =
-        mTextpage->document()->find(findEdit->text(), QTextCursor::End, flags);
+    cursor = mTextpage->getTextPage()->document()->find(
+        findEdit->text(), QTextCursor::End, flags);
   }
 
   // cursor should not stay at -1, otherwise text is not editable
   // todo: check how gedit handles this
   if (cursor.position() != -1) {
-    mTextpage->setTextCursor(cursor);
+    mTextpage->getTextPage()->setTextCursor(cursor);
   }
   this->setBackground();
 }
@@ -150,11 +152,11 @@ void FindWidget::keyPressEvent(QKeyEvent* e) {
 }
 
 void FindWidget::slotClose() {
-  QTextCursor cursor = mTextpage->textCursor();
+  QTextCursor cursor = mTextpage->getTextPage()->textCursor();
 
   if (cursor.position() == -1) {
     cursor.setPosition(0);
-    mTextpage->setTextCursor(cursor);
+    mTextpage->getTextPage()->setTextCursor(cursor);
   }
   mTextpage->setFocus();
   close();