From ff88c3872210f5a246348245c67e53342756ea26 Mon Sep 17 00:00:00 2001
From: Sergey Fedorov <barracuda@macos-powerpc.org>
Date: Sat, 3 May 2025 07:59:02 +0800
Subject: [PATCH] Fixes for build with Qt4

---
 customtabwidget.h | 19 +++++++++++++++++++
 highlighter.cpp   |  1 +
 highlighter.h     |  5 +++++
 mainwindow.cpp    | 18 +++++++++---------
 mainwindow.h      |  3 ++-
 5 files changed, 36 insertions(+), 10 deletions(-)
 create mode 100644 customtabwidget.h

diff --git a/customtabwidget.h b/customtabwidget.h
new file mode 100644
index 0000000..df820b2
--- /dev/null
+++ b/customtabwidget.h
@@ -0,0 +1,19 @@
+#ifndef CUSTOMTABWIDGET_H
+#define CUSTOMTABWIDGET_H
+
+#include <QTabWidget>
+#include <QTabBar>
+
+class CustomTabWidget : public QTabWidget {
+public:
+    // Constructor to accept a parent
+    explicit CustomTabWidget(QWidget* parent = nullptr)
+        : QTabWidget(parent) {}
+
+    // Public method to expose the protected tabBar()
+    QTabBar* publicTabBar() {
+        return tabBar(); // Expose the protected tabBar() method
+    }
+};
+
+#endif // CUSTOMTABWIDGET_H
diff --git a/highlighter.cpp b/highlighter.cpp
index 1db02f4..a998ca5 100644
--- a/highlighter.cpp
+++ b/highlighter.cpp
@@ -1,6 +1,7 @@
 #include "highlighter.h"
 
 #include <QDebug>
+#include <QFile>
 
 Highlighter::Highlighter(const QString _filename, QObject *parent) : QSyntaxHighlighter(parent) {
     xml_filename=_filename;
diff --git a/highlighter.h b/highlighter.h
index 26739f2..787d808 100644
--- a/highlighter.h
+++ b/highlighter.h
@@ -11,6 +11,11 @@
 #include <QHash>
 
 
+// Custom hash function for QRegExp
+inline uint qHash(const QRegExp &key) {
+    return qHash(key.pattern()); // Use the pattern of QRegExp as the hash key
+}
+
 class Highlighter : public QSyntaxHighlighter {
 public:
     explicit Highlighter(QString _filename, QObject *parent = 0);
diff --git a/mainwindow.cpp b/mainwindow.cpp
index 62be4e9..3ca01c5 100644
--- a/mainwindow.cpp
+++ b/mainwindow.cpp
@@ -32,12 +32,12 @@ void MainWindow::dragEnterEvent(QDragEnterEvent* drag_event) {
 void MainWindow::dropEvent(QDropEvent* drop_event) {
     QList<QUrl> url_list = drop_event->mimeData()->urls();
     foreach (QUrl url, url_list) {
-        OpenFile(url.url(QUrl::RemoveScheme));
+        OpenFile(url.toString(QUrl::RemoveScheme));
     }
 }
 
 void MainWindow::SetupTabWidget() {
-    tabs = new QTabWidget(this);
+    tabs = new CustomTabWidget(this);
     tabs->setMovable(true);
     tabs->setTabsClosable(true);
     tabs->setUsesScrollButtons(true);
@@ -113,11 +113,11 @@ void MainWindow::SetupOpenedDocsDock() {
     // update on opening/creating new file
     // delete on deleting tab provided by DeleteTabFromList(int) function
     // update position in list
-    connect(tabs->tabBar(),      SIGNAL(tabMoved(int, int)),            this, SLOT(ChangeTabIndexInList(int, int)));
+    connect(tabs->publicTabBar(),   SIGNAL(tabMoved(int, int)),        this, SLOT(ChangeTabIndexInList(int, int)));
     connect(opened_docs_widget, SIGNAL(itemClicked(QListWidgetItem*)), this, SLOT(UpdateCurrentIndex(QListWidgetItem*)));
     connect(opened_docs_widget, SIGNAL(currentRowChanged(int)),        tabs, SLOT(setCurrentIndex(int)));
-    connect(tabs->tabBar(),      SIGNAL(currentChanged(int)),           this, SLOT(UpdateCurrentIndex(int)));
-    connect(tabs->tabBar(),      SIGNAL(tabCloseRequested(int)),        this, SLOT(UpdateCurrentIndexOnDelete(int)));
+    connect(tabs->publicTabBar(),   SIGNAL(currentChanged(int)),       this, SLOT(UpdateCurrentIndex(int)));
+    connect(tabs->publicTabBar(),   SIGNAL(tabCloseRequested(int)),    this, SLOT(UpdateCurrentIndexOnDelete(int)));
 
     opened_docs_dock  = new QDockWidget("Opened files", this);
 
@@ -242,8 +242,8 @@ void MainWindow::SaveFileAs() {
         }
     }
     filename = filepath.section("/",-1,-1);
-    tabs->tabBar()->setTabText(tabs->currentIndex(), filename);
-    tabs->tabBar()->setTabToolTip(tabs->currentIndex(), filepath);
+    tabs->publicTabBar()->setTabText(tabs->currentIndex(), filename);
+    tabs->publicTabBar()->setTabToolTip(tabs->currentIndex(), filepath);
 
     QString file_extension = QFileInfo(filename).suffix(); // setting up highlight
     if (highlighter->setExtension(file_extension)) {
@@ -321,7 +321,7 @@ void MainWindow::closeEvent(QCloseEvent*) {
 
 void::MainWindow::UpdateParameter() {
     // highlight bad support (always changed)
-    QString file = tabs->tabBar()->tabText(tabs->currentIndex());
+    QString file = tabs->publicTabBar()->tabText(tabs->currentIndex());
     QString file_extension = QFileInfo(file).suffix();
     if (!file_extension.isEmpty()) {
         if (highlighter->setExtension(file_extension)) {
@@ -358,7 +358,7 @@ void MainWindow::UpdateCurrentIndex(int new_selection_index) {
     opened_docs_widget->setCurrentRow(new_selection_index);
 
     // + highlight update
-    QString file = tabs->tabBar()->tabText(new_selection_index);
+    QString file = tabs->publicTabBar()->tabText(new_selection_index);
     QString file_extension = QFileInfo(file).suffix();
     if (!file_extension.isEmpty()) {
         if (highlighter->setExtension(file_extension)) {
diff --git a/mainwindow.h b/mainwindow.h
index 08d74b3..9b8c2be 100644
--- a/mainwindow.h
+++ b/mainwindow.h
@@ -34,6 +34,7 @@
 #include "linenumberarea.h"
 #include "codeeditor.h"
 #include "highlighter.h"
+#include "customtabwidget.h"
 
 
 namespace Ui {
@@ -49,7 +50,7 @@ public:
     
 private:
     Ui::MainWindow *ui;
-    QTabWidget* tabs;
+    CustomTabWidget* tabs; // Use the custom class
     Highlighter* highlighter;
 
     QDirModel* file_system_model;
-- 
2.48.0