feat: improve search in document (KDAB#25)

Fixes tasks:
QtUiDocument
QtTsDocument
RCDocument text view
RCDocument central view
RCDocument left tree

src/gui/CMakeLists.txt

@@ -28,6 +28,8 @@ set(PROJECT_SOURCES
     gui_constants.h
     guisettings.h
     guisettings.cpp
+    highlightsearchdelegate.h
+    highlightsearchdelegate.cpp
     historypanel.h
     historypanel.cpp
     imageview.h

src/gui/findwidget.cpp

@@ -11,8 +11,12 @@
 #include "findwidget.h"
 #include "core/logger.h"
 #include "core/project.h"
+#include "core/qttsdocument.h"
+#include "core/qtuidocument.h"
 #include "core/textdocument.h"
 #include "guisettings.h"
+#include "qttsview.h"
+#include "qtuiview.h"
 #include "ui_findwidget.h"
 
 #include <QAction>
@@ -86,11 +90,35 @@ QString FindWidget::findString()
 
 void FindWidget::findNext()
 {
+    auto qtUiDocument = qobject_cast<Core::QtUiDocument *>(Core::Project::instance()->currentDocument());
+    if (qtUiDocument) {
+        Q_EMIT search(ui->findEdit->text(), QtUiView::FindForward);
+        return;
+    }
+
+    auto qtTsDocument = qobject_cast<Core::QtTsDocument *>(Core::Project::instance()->currentDocument());
+    if (qtTsDocument) {
+        Q_EMIT search(ui->findEdit->text(), QtTsView::FindForward);
+        return;
+    }
+
     find(findFlags());
 }
 
 void FindWidget::findPrevious()
 {
+    auto qtUiDocument = qobject_cast<Core::QtUiDocument *>(Core::Project::instance()->currentDocument());
+    if (qtUiDocument) {
+        Q_EMIT search(ui->findEdit->text(), QtUiView::FindBackward);
+        return;
+    }
+
+    auto qtTsDocument = qobject_cast<Core::QtTsDocument *>(Core::Project::instance()->currentDocument());
+    if (qtTsDocument) {
+        Q_EMIT search(ui->findEdit->text(), QtTsView::FindBackward);
+        return;
+    }
+
     find(findFlags() | Core::TextDocument::FindBackward);
 }
 
@@ -153,4 +181,15 @@ void FindWidget::replace(bool onlyOne)
     }
 }
 
+void FindWidget::hideEvent(QHideEvent *event)
+{
+    Q_EMIT findWidgetHiding();
+    QWidget::hideEvent(event);
+}
+
+void FindWidget::showReplaceFeature(bool show)
+{
+    ui->replaceFrame->setVisible(show);
+}
+
 } // namespace Gui

src/gui/findwidget.h

@@ -31,6 +31,15 @@ class FindWidget : public QWidget
 
     void open();
 
+    void showReplaceFeature(bool show = true);
+
+signals:
+    void search(const QString &text, int options);
+    void findWidgetHiding();
+
+protected:
+    void hideEvent(QHideEvent *event) override;
+
 private:
     int findFlags() const;
     QString findString();