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-rw-r--r--qtmips_gui/coreview.cpp3
-rw-r--r--qtmips_gui/coreview.h2
-rw-r--r--qtmips_gui/coreview/logicblock.cpp99
-rw-r--r--qtmips_gui/coreview/logicblock.h44
-rw-r--r--qtmips_gui/qtmips_gui.pro6
5 files changed, 152 insertions, 2 deletions
diff --git a/qtmips_gui/coreview.cpp b/qtmips_gui/coreview.cpp
index 8fe7432..3e860cb 100644
--- a/qtmips_gui/coreview.cpp
+++ b/qtmips_gui/coreview.cpp
@@ -74,6 +74,8 @@ CoreViewScene::CoreViewScene(CoreView *view, machine::QtMipsMachine *machine) :
NEW_B(Constant, pc.adder_4, pc.adder->connector_in_b(), "4");
NEW(Junction, pc.junction, 80, pc_latch_pair.out->y());
NEW(Multiplexer, pc.multiplex, 60, 100, 4);
+ NEW(LogicBlock, ctl_block, 300, 100, {"CPU", "Control"});
+ ctl_block->setSize(35, 70);
NEW(Alu, alu, 470, 230);
NEW(Memory, mem, 20, 510, machine);
NEW(Registers, regs, 20, 0);
@@ -107,6 +109,7 @@ CoreViewScene::~CoreViewScene() {
delete pc.adder_4;
delete pc.junction;
delete pc.multiplex;
+ delete ctl_block;
delete alu;
delete mem;
delete regs;
diff --git a/qtmips_gui/coreview.h b/qtmips_gui/coreview.h
index 8adf302..25b96e3 100644
--- a/qtmips_gui/coreview.h
+++ b/qtmips_gui/coreview.h
@@ -15,6 +15,7 @@
#include "coreview/instructionview.h"
#include "coreview/junction.h"
#include "coreview/constant.h"
+#include "coreview/logicblock.h"
class CoreView : public QGraphicsView {
public:
@@ -48,6 +49,7 @@ private:
coreview::Junction *junction;
coreview::Multiplexer *multiplex;
} pc;
+ coreview::LogicBlock *ctl_block;
coreview::Alu *alu;
coreview::Memory *mem;
coreview::Registers *regs;
diff --git a/qtmips_gui/coreview/logicblock.cpp b/qtmips_gui/coreview/logicblock.cpp
new file mode 100644
index 0000000..6b5769a
--- /dev/null
+++ b/qtmips_gui/coreview/logicblock.cpp
@@ -0,0 +1,99 @@
+#include "logicblock.h"
+#include <cmath>
+
+using namespace coreview;
+
+//////////////////////
+#define GAP 3
+#define RADIUS GAP
+#define LINE_OFFSET 1
+#define PENW 1
+//////////////////////
+
+LogicBlock::LogicBlock(QString name) {
+ LogicBlock({name});
+}
+
+LogicBlock::LogicBlock(QVector<QString> name) : QGraphicsItem(nullptr) {
+ QFont font;
+ font.setPointSize(7);
+
+ qreal h = 0, w = 0;
+ for (int i = 0; i < name.size(); i++) {
+ QGraphicsSimpleTextItem *t = new QGraphicsSimpleTextItem(name[i], this);
+ t->setFont(font);
+ text.append(t);
+ QRectF t_box = t->boundingRect();
+ t->setPos(-t_box.width()/2, h + LINE_OFFSET);
+ h += t_box.height() + LINE_OFFSET;
+ if (w < t_box.width())
+ w = t_box.width();
+ }
+
+ box = QRectF(-w/2 - GAP, -GAP, w + (2*GAP), h + (2*GAP));
+}
+
+LogicBlock::~LogicBlock() {
+ for (int i = 0; i < connectors.size(); i++)
+ delete connectors[i].con;
+ for (int i = 0; i < text.size(); i++)
+ delete text[i];
+}
+
+QRectF LogicBlock::boundingRect() const {
+ return QRectF(box.x() - PENW/2, box.y() - PENW/2, box.width() + PENW, box.height() + PENW);
+}
+
+void LogicBlock::paint(QPainter *painter, const QStyleOptionGraphicsItem *option __attribute__((unused)), QWidget *widget __attribute__((unused))) {
+ painter->drawRoundedRect(box, RADIUS, RADIUS);
+}
+
+void LogicBlock::setPos(qreal x, qreal y) {
+ QGraphicsItem::setPos(x, y);
+ for (int i = 0; i < connectors.size(); i++) {
+ struct Con &c = connectors[i];
+ c.con->setPos(x + c.p.x(), y + c.p.y());
+ }
+}
+
+void LogicBlock::setSize(qreal width, qreal height) {
+ box.setX(-width/2 - GAP);
+ box.setWidth(width + (2*GAP));
+ box.setHeight(height + (2*GAP));
+ for (int i = 0; i < connectors.size(); i++) { // Update point for all connectors
+ struct Con &c = connectors[i];
+ c.p = con_pos(c.x, c.y);
+ }
+ setPos(x(), y());
+}
+
+static qreal sign(qreal v) {
+ // This intentionally doesn't return 0 on v == 0
+ return (0 <= v) - (0 > v);
+}
+
+const Connector *LogicBlock::new_connector(qreal x, qreal y) {
+ // stick to closest edge
+ if (fabs(x) > fabs(y))
+ x = sign(x);
+ else
+ y = sign(y);
+
+ // Note: we are using here that 0 and M_PI is same angle but different orientation (but we ignore orientation for now)
+ Connector *c = new Connector(fabs(x) > fabs(y) ? 0 : M_PI_2);
+ connectors.append({
+ .con = c,
+ .x = x,
+ .y = y,
+ .p = con_pos(x, y)
+ });
+ setPos(this->x(), this->y()); // Update connector position
+ return c;
+}
+
+QPointF LogicBlock::con_pos(qreal x, qreal y) {
+ qreal px, py;
+ px = (box.right() - GAP) * x + (GAP * sign(x));
+ py = (box.bottom()/2 - GAP) * (y + 1) + (GAP * sign(y));
+ return QPointF(px, py);
+}
diff --git a/qtmips_gui/coreview/logicblock.h b/qtmips_gui/coreview/logicblock.h
new file mode 100644
index 0000000..4c1310c
--- /dev/null
+++ b/qtmips_gui/coreview/logicblock.h
@@ -0,0 +1,44 @@
+#ifndef LOGICBLOCK_H
+#define LOGICBLOCK_H
+
+#include <QGraphicsItem>
+#include <QPainter>
+#include <QGraphicsSimpleTextItem>
+#include <QVector>
+#include "connection.h"
+
+namespace coreview {
+
+class LogicBlock : public QGraphicsItem {
+public:
+ LogicBlock(QString name);
+ LogicBlock(QVector<QString> name);
+ ~LogicBlock();
+
+ QRectF boundingRect() const;
+ void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget);
+
+ void setPos(qreal x, qreal y);
+ void setSize(qreal width, qreal height);
+
+ // This creates new connector
+ // Position is determined by x and y in 0 to 1 range and is mapped to real size of this block
+ // Using x=y and x=-y coordinates is not supported
+ const Connector *new_connector(qreal x, qreal y);
+
+private:
+ QVector<QGraphicsSimpleTextItem*> text;
+ QRectF box;
+
+ struct Con {
+ Connector *con;
+ qreal x, y;
+ QPointF p;
+ };
+ QVector<struct Con> connectors;
+ QPointF con_pos(qreal x, qreal y);
+};
+
+}
+
+#endif // LOGICBLOCK_H
diff --git a/qtmips_gui/qtmips_gui.pro b/qtmips_gui/qtmips_gui.pro
index 921bb2d..a71509e 100644
--- a/qtmips_gui/qtmips_gui.pro
+++ b/qtmips_gui/qtmips_gui.pro
@@ -31,7 +31,8 @@ SOURCES += \
coreview/registers.cpp \
coreview/adder.cpp \
coreview/constant.cpp \
- coreview/junction.cpp
+ coreview/junction.cpp \
+ coreview/logicblock.cpp
HEADERS += \
mainwindow.h \
@@ -51,7 +52,8 @@ HEADERS += \
coreview/registers.h \
coreview/adder.h \
coreview/constant.h \
- coreview/junction.h
+ coreview/junction.h \
+ coreview/logicblock.h
FORMS += \
NewDialog.ui \
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-26 00:05:37 +0000