mirror of https://github.com/bsnes-emu/bsnes.git
292 lines
8.0 KiB
C++
292 lines
8.0 KiB
C++
namespace phoenix {
|
|
|
|
void pHexEdit::setBackgroundColor(Color color) {
|
|
}
|
|
|
|
void pHexEdit::setColumns(unsigned columns) {
|
|
update();
|
|
}
|
|
|
|
void pHexEdit::setForegroundColor(Color color) {
|
|
}
|
|
|
|
void pHexEdit::setLength(unsigned length) {
|
|
//add one if last row is not equal to column length (eg only part of the row is present)
|
|
bool indivisible = hexEdit.state.columns == 0 || (hexEdit.state.length % hexEdit.state.columns) != 0;
|
|
qtScroll->setRange(0, hexEdit.state.length / hexEdit.state.columns + indivisible - hexEdit.state.rows);
|
|
update();
|
|
}
|
|
|
|
void pHexEdit::setOffset(unsigned offset) {
|
|
locked = true;
|
|
qtScroll->setSliderPosition(hexEdit.state.offset / hexEdit.state.columns);
|
|
locked = false;
|
|
update();
|
|
}
|
|
|
|
void pHexEdit::setRows(unsigned rows) {
|
|
qtScroll->setPageStep(hexEdit.state.rows);
|
|
update();
|
|
}
|
|
|
|
void pHexEdit::update() {
|
|
if(!hexEdit.onRead) {
|
|
qtHexEdit->setPlainText("");
|
|
return;
|
|
}
|
|
|
|
unsigned cursorPosition = qtHexEdit->textCursor().position();
|
|
|
|
string output;
|
|
unsigned offset = hexEdit.state.offset;
|
|
for(unsigned row = 0; row < hexEdit.state.rows; row++) {
|
|
output.append(hex<8>(offset));
|
|
output.append(" ");
|
|
|
|
string hexdata;
|
|
string ansidata = " ";
|
|
|
|
for(unsigned column = 0; column < hexEdit.state.columns; column++) {
|
|
if(offset < hexEdit.state.length) {
|
|
uint8_t data = hexEdit.onRead(offset++);
|
|
hexdata.append(hex<2>(data));
|
|
hexdata.append(" ");
|
|
ansidata.append(data >= 0x20 && data <= 0x7e ? (char)data : '.');
|
|
} else {
|
|
hexdata.append(" ");
|
|
ansidata.append(" ");
|
|
}
|
|
}
|
|
|
|
output.append(hexdata);
|
|
output.append(ansidata);
|
|
if(offset >= hexEdit.state.length) break;
|
|
if(row != hexEdit.state.rows - 1) output.append("\n");
|
|
}
|
|
|
|
qtHexEdit->setPlainText(QString::fromUtf8(output));
|
|
QTextCursor cursor = qtHexEdit->textCursor();
|
|
cursor.setPosition(cursorPosition);
|
|
qtHexEdit->setTextCursor(cursor);
|
|
}
|
|
|
|
void pHexEdit::constructor() {
|
|
qtWidget = qtHexEdit = new QtHexEdit(*this);
|
|
|
|
qtHexEdit->setHorizontalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
|
|
qtHexEdit->setVerticalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
|
|
qtHexEdit->setTextInteractionFlags(Qt::TextSelectableByKeyboard | Qt::TextSelectableByMouse);
|
|
|
|
qtLayout = new QHBoxLayout;
|
|
qtLayout->setAlignment(Qt::AlignRight);
|
|
qtLayout->setMargin(0);
|
|
qtLayout->setSpacing(0);
|
|
qtHexEdit->setLayout(qtLayout);
|
|
|
|
qtScroll = new QtHexEditScrollBar(*this);
|
|
qtScroll->setSingleStep(1);
|
|
qtLayout->addWidget(qtScroll);
|
|
|
|
connect(qtScroll, SIGNAL(actionTriggered(int)), SLOT(onScroll()));
|
|
|
|
pWidget::synchronizeState();
|
|
setColumns(hexEdit.state.columns);
|
|
setRows(hexEdit.state.rows);
|
|
setLength(hexEdit.state.length);
|
|
setOffset(hexEdit.state.offset);
|
|
update();
|
|
}
|
|
|
|
void pHexEdit::destructor() {
|
|
delete qtScroll;
|
|
delete qtLayout;
|
|
delete qtHexEdit;
|
|
qtWidget = qtHexEdit = nullptr;
|
|
qtLayout = nullptr;
|
|
qtScroll = nullptr;
|
|
}
|
|
|
|
void pHexEdit::orphan() {
|
|
destructor();
|
|
constructor();
|
|
}
|
|
|
|
void pHexEdit::keyPressEvent(QKeyEvent* event) {
|
|
if(!hexEdit.onRead) return;
|
|
|
|
//allow Ctrl+C (copy)
|
|
if(event->key() == Qt::Key_C && event->modifiers() == Qt::ControlModifier) {
|
|
qtHexEdit->keyPressEventAcknowledge(event);
|
|
return;
|
|
}
|
|
|
|
//disallow other text operations (cut, paste, etc)
|
|
if(event->modifiers() & (Qt::ControlModifier | Qt::AltModifier | Qt::MetaModifier)) return;
|
|
|
|
QTextCursor cursor = qtHexEdit->textCursor();
|
|
signed lineWidth = 10 + (hexEdit.state.columns * 3) + 1 + hexEdit.state.columns + 1;
|
|
signed cursorY = cursor.position() / lineWidth;
|
|
signed cursorX = cursor.position() % lineWidth;
|
|
|
|
unsigned nibble = 0;
|
|
switch(event->key()) {
|
|
default: return;
|
|
|
|
case Qt::Key_Left:
|
|
if(cursorX > 0) {
|
|
cursor.setPosition(cursor.position() - 1);
|
|
qtHexEdit->setTextCursor(cursor);
|
|
}
|
|
return;
|
|
|
|
case Qt::Key_Right:
|
|
if(cursorX < lineWidth - 1) {
|
|
cursor.setPosition(cursor.position() + 1);
|
|
qtHexEdit->setTextCursor(cursor);
|
|
}
|
|
return;
|
|
|
|
case Qt::Key_Home:
|
|
cursor.setPosition(cursorY * lineWidth + 10);
|
|
qtHexEdit->setTextCursor(cursor);
|
|
return;
|
|
|
|
case Qt::Key_End:
|
|
cursor.setPosition(cursorY * lineWidth + 57);
|
|
qtHexEdit->setTextCursor(cursor);
|
|
return;
|
|
|
|
case Qt::Key_Up:
|
|
if(cursorY > 0) {
|
|
cursor.setPosition(cursor.position() - lineWidth);
|
|
qtHexEdit->setTextCursor(cursor);
|
|
} else {
|
|
scrollTo(qtScroll->sliderPosition() - 1);
|
|
}
|
|
return;
|
|
|
|
case Qt::Key_Down:
|
|
if(cursorY >= rows() - 1) {
|
|
//cannot scroll down further
|
|
} else if(cursorY < hexEdit.state.rows - 1) {
|
|
cursor.setPosition(cursor.position() + lineWidth);
|
|
qtHexEdit->setTextCursor(cursor);
|
|
} else {
|
|
scrollTo(qtScroll->sliderPosition() + 1);
|
|
}
|
|
return;
|
|
|
|
case Qt::Key_PageUp:
|
|
scrollTo(qtScroll->sliderPosition() - hexEdit.state.rows);
|
|
return;
|
|
|
|
case Qt::Key_PageDown:
|
|
scrollTo(qtScroll->sliderPosition() + hexEdit.state.rows);
|
|
return;
|
|
|
|
case Qt::Key_0: nibble = 0; break;
|
|
case Qt::Key_1: nibble = 1; break;
|
|
case Qt::Key_2: nibble = 2; break;
|
|
case Qt::Key_3: nibble = 3; break;
|
|
case Qt::Key_4: nibble = 4; break;
|
|
case Qt::Key_5: nibble = 5; break;
|
|
case Qt::Key_6: nibble = 6; break;
|
|
case Qt::Key_7: nibble = 7; break;
|
|
case Qt::Key_8: nibble = 8; break;
|
|
case Qt::Key_9: nibble = 9; break;
|
|
case Qt::Key_A: nibble = 10; break;
|
|
case Qt::Key_B: nibble = 11; break;
|
|
case Qt::Key_C: nibble = 12; break;
|
|
case Qt::Key_D: nibble = 13; break;
|
|
case Qt::Key_E: nibble = 14; break;
|
|
case Qt::Key_F: nibble = 15; break;
|
|
}
|
|
|
|
if(cursorX >= 10) {
|
|
//not on an offset
|
|
cursorX -= 10;
|
|
if((cursorX % 3) != 2) {
|
|
//not on a space
|
|
bool cursorNibble = (cursorX % 3) == 1; //0 = high, 1 = low
|
|
cursorX /= 3;
|
|
if(cursorX < hexEdit.state.columns) {
|
|
//not in ANSI region
|
|
unsigned offset = hexEdit.state.offset + (cursorY * hexEdit.state.columns + cursorX);
|
|
|
|
if(offset >= hexEdit.state.length) return; //do not edit past end of file
|
|
uint8_t data = hexEdit.onRead(offset);
|
|
|
|
//write modified value
|
|
if(cursorNibble == 1) {
|
|
data = (data & 0xf0) | (nibble << 0);
|
|
} else {
|
|
data = (data & 0x0f) | (nibble << 4);
|
|
}
|
|
if(hexEdit.onWrite) hexEdit.onWrite(offset, data);
|
|
|
|
//auto-advance cursor to next nibble/byte
|
|
unsigned step = 1;
|
|
if(cursorNibble && cursorX != hexEdit.state.columns - 1) step = 2;
|
|
cursor.setPosition(cursor.position() + step);
|
|
qtHexEdit->setTextCursor(cursor);
|
|
|
|
//refresh output to reflect modified data
|
|
update();
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
//number of actual rows
|
|
signed pHexEdit::rows() {
|
|
return (max(1u, hexEdit.state.length) + hexEdit.state.columns - 1) / hexEdit.state.columns;
|
|
}
|
|
|
|
//number of scrollable row positions
|
|
signed pHexEdit::rowsScrollable() {
|
|
return max(0u, rows() - hexEdit.state.rows);
|
|
}
|
|
|
|
void pHexEdit::scrollTo(signed position) {
|
|
if(position > rowsScrollable()) position = rowsScrollable();
|
|
if(position < 0) position = 0;
|
|
qtScroll->setSliderPosition(position);
|
|
}
|
|
|
|
void pHexEdit::onScroll() {
|
|
if(locked) return;
|
|
unsigned offset = qtScroll->sliderPosition();
|
|
hexEdit.state.offset = offset * hexEdit.state.columns;
|
|
update();
|
|
}
|
|
|
|
void pHexEdit::QtHexEdit::keyPressEvent(QKeyEvent* event) {
|
|
self.keyPressEvent(event);
|
|
}
|
|
|
|
void pHexEdit::QtHexEdit::keyPressEventAcknowledge(QKeyEvent* event) {
|
|
QTextEdit::keyPressEvent(event);
|
|
}
|
|
|
|
void pHexEdit::QtHexEdit::wheelEvent(QWheelEvent* event) {
|
|
if(event->orientation() == Qt::Vertical) {
|
|
signed offset = event->delta() < 0 ? +1 : -1;
|
|
self.scrollTo(self.qtScroll->sliderPosition() + offset);
|
|
event->accept();
|
|
}
|
|
}
|
|
|
|
bool pHexEdit::QtHexEditScrollBar::event(QEvent* event) {
|
|
if(event->type() == QEvent::Wheel) {
|
|
QWheelEvent* wheelEvent = (QWheelEvent*)event;
|
|
if(wheelEvent->orientation() == Qt::Vertical) {
|
|
signed offset = wheelEvent->delta() < 0 ? +1 : -1;
|
|
self.scrollTo(sliderPosition() + offset);
|
|
return true;
|
|
}
|
|
}
|
|
return QScrollBar::event(event);
|
|
}
|
|
|
|
}
|