From a4d10c950fcf8181f708eb4dffdc9133aa33193b Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Karel=20Ko=C4=8D=C3=AD?= <cynerd@email.cz>
Date: Fri, 15 Dec 2017 22:46:01 +0100
Subject: Implement some barebone registers dock

---
 qtmips_gui/registersdock.cpp | 64 +++++++++++++++++++++++++++++++++++++++++---
 qtmips_gui/registersdock.h   | 25 +++++++++++++++--
 qtmips_gui/registersdock.ui  | 26 ------------------
 3 files changed, 84 insertions(+), 31 deletions(-)
 delete mode 100644 qtmips_gui/registersdock.ui

(limited to 'qtmips_gui')

diff --git a/qtmips_gui/registersdock.cpp b/qtmips_gui/registersdock.cpp
index e8a5907..d038462 100644
--- a/qtmips_gui/registersdock.cpp
+++ b/qtmips_gui/registersdock.cpp
@@ -1,10 +1,68 @@
 #include "registersdock.h"
 
 RegistersDock::RegistersDock(QWidget *parent) : QDockWidget(parent) {
-    ui = new Ui::RegistersDock();
-    ui->setupUi(this);
+    regs = nullptr;
+
+    widg = new QScrollArea(this);
+    layout = new QFormLayout(widg);
+
+#define INIT(X, LABEL) do{ \
+        X = new QLabel(widg); \
+        X->setTextInteractionFlags(Qt::TextSelectableByMouse); \
+        layout->addRow(LABEL, X); \
+    } while(false)
+
+    INIT(pc, "PC:");
+    for (int i = 0; i < 32; i++)
+        INIT(gp[i], QString("GP") + QString::number(i) + QString(" ($") + QString::number(i) + QString("):"));
+    INIT(lo, "LO:");
+    INIT(hi, "HI:");
+
+#undef INIT
+
+    setWidget(widg);
 }
 
 RegistersDock::~RegistersDock() {
-    delete ui;
+    delete layout;
+    delete pc, hi, lo;
+    for (int i = 0; i < 32; i++)
+        delete gp[i];
+}
+
+void RegistersDock::setup(QtMipsMachine *machine) {
+    regs = machine->registers();
+    connect(regs, SIGNAL(pc_update(std::uint32_t)), this, SLOT(pc_changed(std::uint32_t)));
+    connect(regs, SIGNAL(gp_update(std::uint8_t,std::uint32_t)), this, SLOT(gp_changed(std::uint8_t,std::uint32_t)));
+    connect(regs, SIGNAL(hi_lo_update(bool,std::uint32_t)), this, SLOT(hi_lo_changed(bool,std::uint32_t)));
+
+    // Load values
+    labelVal(pc, regs->read_pc(), false);
+    labelVal(hi, regs->read_hi_lo(true), true);
+    labelVal(lo, regs->read_hi_lo(false), true);
+    for (int i = 0; i < 32; i++)
+        labelVal(gp[i], regs->read_gp(i), true);
+}
+
+void RegistersDock::pc_changed(std::uint32_t val) {
+    labelVal(pc, val, false);
+}
+
+void RegistersDock::gp_changed(std::uint8_t i, std::uint32_t val) {
+    SANITY_ASSERT(i < 32, QString("RegistersDock received signal with invalid gp register: ") + QString::number(i));
+    labelVal(gp[i], val, true);
+}
+
+void RegistersDock::hi_lo_changed(bool hi, std::uint32_t val) {
+    if (hi)
+        labelVal(this->hi, val, true);
+    else
+        labelVal(lo, val, true);
+}
+
+void RegistersDock::labelVal(QLabel *label, std::uint32_t value, bool dec) {
+    QString t = QString("0x") + QString::number(value, 16);
+    if (dec)
+        t += QString(" (") + QString::number(value) + QString(")");
+    label->setText(t);
 }
diff --git a/qtmips_gui/registersdock.h b/qtmips_gui/registersdock.h
index 338edc3..90be659 100644
--- a/qtmips_gui/registersdock.h
+++ b/qtmips_gui/registersdock.h
@@ -2,16 +2,37 @@
 #define REGISTERSDOCK_H
 
 #include <QDockWidget>
-#include "ui_registersdock.h"
+#include <QLabel>
+#include <QFormLayout>
+#include <QScrollArea>
+#include <QPropertyAnimation>
+#include "qtmipsmachine.h"
 
 class RegistersDock : public QDockWidget {
+    Q_OBJECT
 public:
     RegistersDock(QWidget *parent);
     ~RegistersDock();
 
+    void setup(QtMipsMachine *machine);
+
+private slots:
+    void pc_changed(std::uint32_t val);
+    void gp_changed(std::uint8_t i, std::uint32_t val);
+    void hi_lo_changed(bool hi, std::uint32_t val);
+
 private:
-    Ui::RegistersDock *ui;
+    const Registers *regs;
+
+    QScrollArea *widg;
+    QFormLayout *layout;
+
+    QLabel *pc;
+    QLabel *hi;
+    QLabel *lo;
+    QLabel *gp[32];
 
+    void labelVal(QLabel *label, std::uint32_t val, bool dec);
 };
 
 #endif // REGISTERSDOCK_H
diff --git a/qtmips_gui/registersdock.ui b/qtmips_gui/registersdock.ui
deleted file mode 100644
index 9b51505..0000000
--- a/qtmips_gui/registersdock.ui
+++ /dev/null
@@ -1,26 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<ui version="4.0">
- <class>RegistersDock</class>
- <widget class="QDockWidget" name="RegistersDock">
-  <property name="geometry">
-   <rect>
-    <x>0</x>
-    <y>0</y>
-    <width>400</width>
-    <height>300</height>
-   </rect>
-  </property>
-  <property name="windowTitle">
-   <string>Registers</string>
-  </property>
-  <widget class="QWidget" name="dockWidgetContents">
-   <layout class="QVBoxLayout" name="verticalLayout">
-    <item>
-     <widget class="QTableWidget" name="tableWidget"/>
-    </item>
-   </layout>
-  </widget>
- </widget>
- <resources/>
- <connections/>
-</ui>
-- 
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