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#include "memoryview.h"
///////////////////////////
// Minimal reserved range in pixels of scroll area (otherwise 10% of height are used)
#define MIN_OFF 10
///////////////////////////
#include <iostream>
using namespace std;
MemoryView::MemoryView(QWidget *parent) : QWidget(parent) {
memory = nullptr;
addr_0 = 0;
layout = new QVBoxLayout(this);
memf= new Frame(this);
layout->addWidget(memf);
ctl_widg = new QWidget(this);
layout->addWidget(ctl_widg);
ctl_layout = new QHBoxLayout(ctl_widg);
go_edit = new QLineEdit(ctl_widg);
go_edit->setText("0x00000000");
go_edit->setInputMask("\\0\\xHHHHHHHH");
ctl_layout->addWidget(go_edit);
connect(go_edit, SIGNAL(editingFinished()), this, SLOT(go_edit_finish()));
up = new QToolButton(ctl_widg);
up->setArrowType(Qt::UpArrow);
ctl_layout->addWidget(up);
down = new QToolButton(ctl_widg);
down->setArrowType(Qt::DownArrow);
ctl_layout->addWidget(down);
}
void MemoryView::setup(machine::QtMipsMachine *machine) {
memory = (machine == nullptr) ? nullptr : machine->memory();
reload_content();
}
void MemoryView::set_focus(std::uint32_t address) {
// TODO center
// TODO update view
}
std::uint32_t MemoryView::focus() {
// TODO
return 0;
}
void MemoryView::reload_content() {
int count = memf->widg->count();
memf->widg->clearRows();
update_content(count, 0);
}
void MemoryView::update_content(int count, int shift) {
if (abs(shift) >= memf->widg->count()) {
// This shifts more than we have so just reload whole content
memf->widg->clearRows();
addr_0 += 4*shift;
for (int i = 0; i <= count; i++)
memf->widg->addRow(row_widget(addr_0 + 4*i, memf->widg));
return;
}
int diff = count - memf->widg->count();
int d_b = shift;
int d_e = diff - shift;
cout << "count:" << memf->widg->count() << " tocount:" << count << " d_b:" << d_b << " d_e:" << d_e << endl;
if (d_b > 0)
for (int i = 0; i < d_b; i++) {
addr_0 -= 4;
memf->widg->insertRow(row_widget(addr_0, memf->widg), 0);
}
else
for (int i = 0; i > d_b; i--) {
addr_0 += 4;
memf->widg->removeRow(0);
}
if (d_e > 0)
for (int i = 0; i < d_e; i++)
memf->widg->addRow(row_widget(addr_0 + 4*memf->widg->count(), memf->widg));
else
for (int i = 0; i > d_e; i--)
memf->widg->removeRow(memf->widg->count() - 1);
}
void MemoryView::go_edit_finish() {
// TODO
}
MemoryView::Frame::Frame(MemoryView *parent) : QAbstractScrollArea(parent) {
mv = parent;
content_y = -3*MIN_OFF/2; // When this is initialized the width is 0 so this uses just min to inialize it
widg = new StaticTable(this);
setViewport(widg);
setFrameShadow(QFrame::Sunken);
setFrameShape(QFrame::StyledPanel);
setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Expanding);
setContentsMargins(0, 0, 0, 0);
}
void MemoryView::Frame::focus(unsigned i) {
// TODO
}
unsigned MemoryView::Frame::focussed() {
// TODO
return 0;
}
// This verifies that we are not scrolled too far away down or up and that we have enought height
// We make 10% of height as buffer zone with fixed minimum in pixels
void MemoryView::Frame::check_update() {
int hpart = qMax(height()/10, MIN_OFF);
int req_height = height() + 2*hpart;
while (!((content_y <= -hpart) && (content_y >= -2*hpart)) || (widg->height() < req_height)) {
cout << "widg.h:" << widg->height() << " req_h:" << req_height << endl;
cout << "content_y:" << content_y << " hpart:" << hpart << endl;
int row_h = widg->row_size();
cout << "row_h:" << row_h << " columns:" << widg->columns() << endl;
// Calculate how many we need and how much we need to move and update content accordingly
int count = (req_height / row_h) + 1;
int shift = (content_y + hpart + hpart/2)/row_h;
mv->update_content(count * widg->columns(), shift * widg->columns());
cout << "count:" << count << endl;
// Move and resize widget
content_y -= shift * row_h;
widg->setGeometry(0, content_y, width(), widg->heightForWidth(width()));
}
}
void MemoryView::Frame::resizeEvent(QResizeEvent *e) {
QAbstractScrollArea::resizeEvent(e);
widg->setGeometry(0, content_y, e->size().width(), widg->heightForWidth(e->size().width()));
check_update();
}
void MemoryView::Frame::wheelEvent(QWheelEvent *e) {
QPoint pix = e->pixelDelta();
QPoint ang = e->angleDelta();
if (!pix.isNull())
content_y += e->pixelDelta().ry();
// TODO angle scroll
// TODO smooth scroll
viewport()->move(0, content_y);
viewport()->repaint(0, content_y, width(), height());
check_update();
}
bool MemoryView::Frame::viewportEvent(QEvent *e) {
bool p = QAbstractScrollArea::viewportEvent(e);
// Pass paint event to viewport widget
if (e->type() == QEvent::Paint)
p = false;
return p;
}
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