Implement MainRAM management dialog😁 (#1248)

* Implement MainRAM management dialog

* Modify RAMInfoDialog

- use emuThread to avoid a race condition.
- replace RAMUpdateThread to QTimer

Co-Authored-By: RSDuck <RSDuck@users.noreply.github.com>

* Update src/frontend/qt_sdl/RAMInfoDialog.cpp

small typo

Co-authored-by: Rayyan Ansari <68647953+RayyanAnsari@users.noreply.github.com>

* Update src/frontend/qt_sdl/RAMInfoDialog.h

small typo

Co-authored-by: Rayyan Ansari <68647953+RayyanAnsari@users.noreply.github.com>

* typo errors in RAMInfoDialog

Rrevious->Previous

* add new line to the end of the file

Co-authored-by: Rayyan Ansari <rayyan@ansari.sh>

* enable raminfo when cart is inserted

* Modify that only the 'value' item can be edited in RAMinfoDialog

* fix: function name incorrect error

* fix: function name incorrect error2

* fix: wrong way to get ram value

Co-authored-by: RSDuck <RSDuck@users.noreply.github.com>
Co-authored-by: Rayyan Ansari <68647953+RayyanAnsari@users.noreply.github.com>
Co-authored-by: Rayyan Ansari <rayyan@ansari.sh>

1 files changed, 161 insertions, 0 deletions

diff --git a/src/frontend/qt_sdl/RAMInfoDialog.h b/src/frontend/qt_sdl/RAMInfoDialog.h
new file mode 100644
index 0000000..f44ae93
--- /dev/null
+++ b/src/frontend/qt_sdl/RAMInfoDialog.h
@@ -0,0 +1,161 @@
+/*
+    Copyright 2016-2021 Arisotura
+
+    This file is part of melonDS.
+
+    melonDS is free software: you can redistribute it and/or modify it under
+    the terms of the GNU General Public License as published by the Free
+    Software Foundation, either version 3 of the License, or (at your option)
+    any later version.
+
+    melonDS is distributed in the hope that it will be useful, but WITHOUT ANY
+    WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
+    FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License along
+    with melonDS. If not, see http://www.gnu.org/licenses/.
+*/
+
+#ifndef RAMINFODIALOG_H
+#define RAMINFODIALOG_H
+
+#include <QDialog>
+#include <QTableWidget>
+#include <QScrollBar>
+#include <QThread>
+#include <QTimer>
+
+#include "types.h"
+#include "NDS.h"
+
+namespace Ui { class RAMInfoDialog; }
+class RAMInfoDialog;
+class RAMSearchThread;
+class RAMUpdateThread;
+
+enum ramInfo_ByteType
+{
+    ramInfo_OneByte = 1, 
+    ramInfo_TwoBytes = 2, 
+    ramInfo_FourBytes = 4
+};
+
+enum ramInfoSTh_SearchMode
+{
+    ramInfoSTh_Default,
+    ramInfoSTh_SearchAll
+};
+
+enum
+{
+    ramInfo_Address, 
+    ramInfo_Value, 
+    ramInfo_Previous
+};
+
+s32 GetMainRAMValue(const u32& addr, const ramInfo_ByteType& byteType);
+
+struct ramInfo_RowData
+{
+    u32 Address;
+    s32 Value;
+    s32 Previous;
+
+    void Update(const ramInfo_ByteType& byteType)
+    {
+        Value = GetMainRAMValue(Address, byteType);
+    }
+
+    void SetValue(const s32& value)
+    {
+        NDS::MainRAM[Address&NDS::MainRAMMask] = (u32)value;
+        Value = value;
+    }
+};
+
+class RAMInfoDialog : public QDialog
+{
+    Q_OBJECT
+
+public:
+    explicit RAMInfoDialog(QWidget* parent);
+    ~RAMInfoDialog();
+
+    static RAMInfoDialog* currentDlg;
+    static RAMInfoDialog* openDlg(QWidget* parent)
+    {
+        if (currentDlg)
+        {
+            currentDlg->activateWindow();
+            return currentDlg;
+        }
+
+        currentDlg = new RAMInfoDialog(parent);
+        currentDlg->show();
+        return currentDlg;
+    }
+    static void closeDlg()
+    {
+        currentDlg = nullptr;
+    }
+
+    s32 SearchValue = 0;
+
+    void ClearTableContents();
+
+private slots:
+    void done(int r);
+
+    void on_btnSearch_clicked();
+    void on_btnClear_clicked();
+    void on_radiobtn1byte_clicked();
+    void on_radiobtn2bytes_clicked();
+    void on_radiobtn4bytes_clicked();
+    void on_ramTable_itemChanged(QTableWidgetItem *item);
+
+    void OnSearchFinished();
+    void ShowRowsInTable();
+    void SetProgressbarValue(const u32& value);
+
+private:
+    Ui::RAMInfoDialog* ui;
+    
+    RAMSearchThread* SearchThread;
+    QTimer* TableUpdater;
+};
+
+class RAMSearchThread : public QThread
+{
+    Q_OBJECT
+
+public:
+    explicit RAMSearchThread(RAMInfoDialog* dialog);
+    ~RAMSearchThread() override;
+
+    void Start(const s32& searchValue, const ramInfoSTh_SearchMode& searchMode = ramInfoSTh_Default);
+    void Start(const ramInfoSTh_SearchMode& searchMode);
+    
+    void SetSearchByteType(const ramInfo_ByteType& bytetype);
+    ramInfo_ByteType GetSearchByteType() const;
+    std::vector<ramInfo_RowData>* GetResults();
+
+    void Stop();
+
+private:
+    void run();
+
+    RAMInfoDialog* Dialog;
+    bool SearchRunning = false;
+
+    ramInfoSTh_SearchMode SearchMode;
+    s32 SearchValue;
+    ramInfo_ByteType SearchByteType = ramInfo_OneByte;
+    std::vector<ramInfo_RowData>* RowDataVector = nullptr;
+
+    void ClearTableContents();
+
+signals:
+    void SetProgressbarValue(const u32& value);
+};
+
+#endif // RAMINFODIALOG_H