Add equate autocomplete to disassembly view's goto dialog

Author: Sightem

gui/qt/debugger.cpp

@@ -26,6 +26,7 @@
 
 #include <QtWidgets/QToolTip>
 #include <QtCore/QFileInfo>
+#include <QtCore/QStringList>
 #include <QtCore/QRegularExpression>
 #include <QtWidgets/QMessageBox>
 #include <QtWidgets/QInputDialog>
@@ -40,6 +41,7 @@
 #include <QtGui/QWindow>
 #include <QtGui/QScreen>
 #include <algorithm>
+#include <ranges>
 
 #ifdef _MSC_VER
     #include <direct.h>
@@ -184,6 +186,7 @@ void MainWindow::debugImportFile(const QString &file) {
 
     disasm.map.clear();
     disasm.reverse.clear();
+    markDisasmGotoCompletionsDirty();
     for (QString &equFile : m_equateFiles) {
         equatesAddFile(equFile);
     }
@@ -1820,6 +1823,7 @@ void MainWindow::updateLabels() {
 void MainWindow::equatesRefresh() {
     disasm.map.clear();
     disasm.reverse.clear();
+    markDisasmGotoCompletionsDirty();
     for (QString &file : m_equateFiles) {
         equatesAddFile(file);
     }
@@ -1917,11 +1921,14 @@ void MainWindow::equatesAddEquate(const QString &name, uint32_t address) {
     if (!equatesAddEquateInternal(name, address)) {
         return;
     }
+    markDisasmGotoCompletionsDirty();
     uint8_t *ptr = static_cast<uint8_t *>(phys_mem_ptr(address - 4, 9));
     if (ptr && ptr[4] == 0xC3 && (ptr[0] == 0xC3 || ptr[8] == 0xC3)) { // jump table?
         uint32_t address2  = ptr[5] | ptr[6] << 8 | ptr[7] << 16;
         if (phys_mem_ptr(address2, 1)) {
-            equatesAddEquateInternal(QStringLiteral("_") + name, address2);
+            if (equatesAddEquateInternal(QStringLiteral("_") + name, address2)) {
+                markDisasmGotoCompletionsDirty();
+            }
         }
     }
 }
@@ -2081,14 +2088,15 @@ void MainWindow::gotoPressed() {
         m_gotoAddr = m_disasm->getSelectedAddr();
     }
 
-    GotoDialog dlg(m_gotoAddr, m_disasmGotoHistory, this);
+    GotoDialog dlg(m_gotoAddr, m_disasmGotoHistory, disasmGotoCompletions(), this);
     if (dlg.exec() == QDialog::Accepted) {
         QString typed = dlg.text().trimmed();
         bool ok = false;
         QString resolved = resolveAddressOrEquate(typed, &ok);
         if (ok) {
             m_gotoAddr = typed;
-            disasmUpdateAddr(hex2int(resolved), false);
+            // changes are routed through here to make sure history is updated for fwd and back
+            gotoDisasmAddr(static_cast<uint32_t>(hex2int(resolved)));
 
             auto &hist = m_disasmGotoHistory;
             std::erase_if(hist, [&](const QString &s){ return s.compare(typed, Qt::CaseInsensitive) == 0; });
@@ -2159,6 +2167,44 @@ QAction *MainWindow::gotoMemAction(QMenu *menu, bool vat) const {
     return gotoMem;
 }
 
+const QStringList &MainWindow::disasmGotoCompletions() {
+    if (!m_disasmGotoCompletionsDirty) {
+        return m_disasmGotoCompletions;
+    }
+
+    m_disasmGotoCompletionsDirty = false;
+
+    QStringList completions;
+    static constexpr std::array kRegisterAliases {
+        "AF", "HL", "DE", "BC", "IX", "IY",
+        "AF'", "HL'", "DE'", "BC'", "SPL", "SPS", "PC"
+    };
+
+    completions.reserve(static_cast<int>(disasm.reverse.size() + kRegisterAliases.size()));
+
+    for (const auto &name : disasm.reverse | std::views::keys) {
+        completions.append(QString::fromStdString(name));
+    }
+
+    for (const char *alias : kRegisterAliases) {
+        const QLatin1String aliasStr(alias);
+        if (!completions.contains(aliasStr)) {
+            completions.append(QString::fromLatin1(alias));
+        }
+    }
+
+    std::ranges::sort(completions, [](const QString &lhs, const QString &rhs) {
+        return lhs.localeAwareCompare(rhs) < 0;
+    });
+
+    m_disasmGotoCompletions = std::move(completions);
+    return m_disasmGotoCompletions;
+}
+
+void MainWindow::markDisasmGotoCompletionsDirty() {
+    m_disasmGotoCompletionsDirty = true;
+}
+
 void MainWindow::handleCtrlClickText(QPlainTextEdit *edit) {
     if (QApplication::keyboardModifiers().testFlag(Qt::ControlModifier)) {
         bool ok = true;

gui/qt/gotodialog.cpp

@@ -1,13 +1,17 @@
 #include "gotodialog.h"
 
 #include <QtWidgets/QComboBox>
+#include <QtWidgets/QCompleter>
 #include <QtWidgets/QDialogButtonBox>
 #include <QtWidgets/QLabel>
 #include <QtWidgets/QVBoxLayout>
 #include <QtWidgets/QSizePolicy>
+#include <QtWidgets/QLineEdit>
+#include <QtCore/Qt>
 
 GotoDialog::GotoDialog(const QString &seed,
                        const std::vector<QString> &history,
+                       const QStringList &completions,
                        QWidget *parent)
     : QDialog(parent) {
     setWindowTitle(tr("Goto"));
@@ -18,6 +22,19 @@ GotoDialog::GotoDialog(const QString &seed,
 
     m_combo = new QComboBox(this); // NOLINT: Qt parent-ownership handles deletion
     m_combo->setEditable(true);
+    m_combo->setInsertPolicy(QComboBox::NoInsert);
+
+    if (!completions.isEmpty()) {
+        auto *completer = new QCompleter(completions, m_combo); // NOLINT: Qt parent-ownership handles deletion
+        completer->setCaseSensitivity(Qt::CaseInsensitive);
+        completer->setFilterMode(Qt::MatchContains);
+        completer->setCompletionMode(QCompleter::PopupCompletion);
+        if (auto *lineEdit = m_combo->lineEdit()) {
+            lineEdit->setCompleter(completer);
+        } else {
+            m_combo->setCompleter(completer);
+        }
+    }
 
     for (const QString &h : history) {
         m_combo->addItem(h);

gui/qt/gotodialog.h

@@ -3,6 +3,7 @@
 
 #include <QtWidgets/QDialog>
 #include <QtCore/QString>
+#include <QtCore/QStringList>
 #include <vector>
 
 QT_BEGIN_NAMESPACE
@@ -14,6 +15,7 @@ class GotoDialog : public QDialog {
 public:
     explicit GotoDialog(const QString &seed,
                         const std::vector<QString> &history,
+                        const QStringList &completions = {},
                         QWidget *parent = nullptr);
 
     [[nodiscard]] QString text() const;

gui/qt/mainwindow.h

@@ -23,6 +23,7 @@
 #include <QtWidgets/QTableWidgetItem>
 #include <QtWidgets/QPlainTextEdit>
 #include <QtWidgets/QFileDialog>
+#include <QtCore/QStringList>
 #include <QtCore/QSettings>
 #include <QtCore/QThread>
 #include <QtCore/QTimer>
@@ -366,6 +367,8 @@ private slots:
     void gotoMemAddr(uint32_t addr);
     HexWidget *gotoMemAddrNoRaise(uint32_t addr);
     QAction *gotoMemAction(QMenu *menu, bool vat = false) const;
+    const QStringList &disasmGotoCompletions();
+    void markDisasmGotoCompletionsDirty();
 
     void handleCtrlClickText(QPlainTextEdit *edit);
     void handleCtrlClickLine(QLineEdit *edit);
@@ -736,6 +739,9 @@ private slots:
 
     std::vector<QString> m_memGotoHistory;
 
+    QStringList m_disasmGotoCompletions;
+    bool m_disasmGotoCompletionsDirty = true;
+
     QString m_pathConfig;
     QMenu *m_menuDocks;
     QMenu *m_menuDebug;

gui/qt/memorywidget.cpp

@@ -11,6 +11,7 @@
 #include <QtGui/QClipboard>
 #include <QtCore/QFileInfo>
 #include <QtCore/QRegularExpression>
+#include <QtCore/QStringList>
 #include <QtWidgets/QMessageBox>
 #include <QtWidgets/QInputDialog>
 #include <algorithm>
@@ -107,7 +108,7 @@ void MainWindow::memUpdateEdit(HexWidget *edit, bool force) {
 }
 
 void MainWindow::flashGotoPressed() {
-    if (GotoDialog dlg(m_flashGotoAddr, m_memGotoHistory, this); dlg.exec() == QDialog::Accepted) {
+    if (GotoDialog dlg(m_flashGotoAddr, m_memGotoHistory, QStringList(), this); dlg.exec() == QDialog::Accepted) {
         const QString typed = dlg.text().trimmed();
         bool ok = false;
         const QString resolved = resolveAddressOrEquate(typed, &ok);
@@ -127,7 +128,7 @@ void MainWindow::flashGotoPressed() {
 }
 
 void MainWindow::ramGotoPressed() {
-    GotoDialog dlg(m_RamGotoAddr, m_memGotoHistory, this);
+    GotoDialog dlg(m_RamGotoAddr, m_memGotoHistory, QStringList(), this);
     if (dlg.exec() == QDialog::Accepted) {
         const QString typed = dlg.text().trimmed();
         bool ok = false;
@@ -216,7 +217,7 @@ void MainWindow::memGotoEdit(HexWidget *edit) {
         return;
     }
 
-    GotoDialog dlg(m_memGotoAddr, m_memGotoHistory, this);
+    GotoDialog dlg(m_memGotoAddr, m_memGotoHistory, QStringList(), this);
     if (dlg.exec() == QDialog::Accepted) {
         QString typed = dlg.text().trimmed();
         bool ok = false;