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Refactored painting of ByteItem in the hex viewer

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2022-07-15 22:37:27 +01:00
parent 6c16dc1012
commit ead867eb3e
4 changed files with 181 additions and 123 deletions
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258
src/Insight/UserInterfaces/InsightWindow/Widgets/TargetMemoryInspectionPane/HexViewerWidget/ByteItem.cpp
View File

@@ -8,8 +8,8 @@ namespace Bloom::Widgets
std::size_t byteIndex,
std::uint32_t address,
std::optional<std::uint32_t>& currentStackPointer,
std::optional<ByteItem*>& hoveredByteItem,
std::optional<AnnotationItem*>& hoveredAnnotationItem,
ByteItem** hoveredByteItem,
AnnotationItem** hoveredAnnotationItem,
std::set<std::uint32_t>& highlightedAddresses,
const HexViewerWidgetSettings& settings
)
@@ -57,116 +57,172 @@ namespace Bloom::Widgets
);
painter->setPen(Qt::PenStyle::NoPen);
// TODO: This code could do with some tidying. It's getting quite messy.
static const auto widgetRect = this->boundingRect();
static const auto standardTextColor = QColor(0xAF, 0xB1, 0xB3);
static auto font = QFont("'Ubuntu', sans-serif");
static const auto font = QFont("'Ubuntu', sans-serif", 8);
static const auto highlightedBackgroundColor = QColor(0x3C, 0x59, 0x5C, 255);
static const auto focusedRegionBackgroundColor = QColor(0x44, 0x44, 0x41, 255);
static const auto stackMemoryBackgroundColor = QColor(0x67, 0x57, 0x20, 210);
static const auto hoveredBackgroundColor = QColor(0x8E, 0x8B, 0x83, 70);
static const auto hoveredNeighbourBackgroundColor = QColor(0x8E, 0x8B, 0x83, 30);
static const auto hoveredAnnotationBackgroundColor = QColor(0x8E, 0x8B, 0x83, 50);
const auto* backgroundColor = this->getBackgroundColor();
const auto* textColor = this->getTextColor();
const auto isEnabled = this->isEnabled();
const auto highlightingEnabled = !this->highlightedAddresses.empty();
const auto highlightedByte = highlightingEnabled && this->highlightedAddresses.contains(this->address);
auto textColor = standardTextColor;
auto asciiTextColor = QColor(0xA7, 0x77, 0x26);
auto backgroundColor = std::optional<QColor>();
font.setPixelSize(11);
painter->setFont(font);
if (highlightedByte) {
backgroundColor = highlightedBackgroundColor;
asciiTextColor = standardTextColor;
} else if (this->settings.highlightStackMemory && this->currentStackPointer.has_value()
&& this->address > this->currentStackPointer
) {
// This byte is within the stack memory
backgroundColor = stackMemoryBackgroundColor;
asciiTextColor = standardTextColor;
} else if (this->settings.highlightFocusedMemory && this->focusedMemoryRegion != nullptr) {
// This byte is within a focused region
backgroundColor = focusedRegionBackgroundColor;
}
const auto* hoveredByteItem = this->hoveredByteItem.value_or(nullptr);
const auto* hoveredAnnotationItem = this->hoveredAnnotationItem.value_or(nullptr);
if (hoveredByteItem != nullptr) {
if (hoveredByteItem == this) {
if (backgroundColor.has_value()) {
backgroundColor->setAlpha(255);
} else {
backgroundColor = hoveredBackgroundColor;
}
} else if (this->settings.highlightHoveredRowAndCol
&& (
hoveredByteItem->currentColumnIndex == this->currentColumnIndex
|| hoveredByteItem->currentRowIndex == this->currentRowIndex
)
) {
if (backgroundColor.has_value()) {
backgroundColor->setAlpha(220);
} else {
backgroundColor = hoveredNeighbourBackgroundColor;
}
}
} else if (
!this->settings.highlightFocusedMemory
&& hoveredAnnotationItem != nullptr
&& this->address >= hoveredAnnotationItem->startAddress
&& this->address <= hoveredAnnotationItem->endAddress
) {
backgroundColor = hoveredAnnotationBackgroundColor;
}
if (backgroundColor.has_value()) {
if (!isEnabled || (highlightingEnabled && !highlightedByte)) {
backgroundColor->setAlpha(100);
}
painter->setBrush(backgroundColor.value());
if (backgroundColor != nullptr) {
painter->setBrush(*backgroundColor);
painter->drawRect(widgetRect);
}
painter->setFont(font);
painter->setPen(*textColor);
if (this->valueInitialised && this->excludedMemoryRegion == nullptr) {
if (this->settings.displayAsciiValues && this->asciiValue.has_value()) {
if (!isEnabled || (highlightingEnabled && !highlightedByte)) {
asciiTextColor.setAlpha(100);
}
painter->setPen(asciiTextColor);
painter->drawText(widgetRect, Qt::AlignCenter, this->asciiValue.value());
} else {
if (!isEnabled || (highlightingEnabled && !highlightedByte) || this->settings.displayAsciiValues) {
textColor.setAlpha(100);
}
painter->setPen(textColor);
painter->drawText(widgetRect, Qt::AlignCenter, this->hexValue);
return;
}
painter->drawText(
widgetRect,
Qt::AlignCenter,
this->settings.displayAsciiValues && this->asciiValue.has_value()
? this->asciiValue.value()
: this->hexValue
);
} else {
textColor.setAlpha(100);
painter->setPen(textColor);
static const auto placeholderString = QString("??");
painter->drawText(widgetRect, Qt::AlignCenter, placeholderString);
}
}
const QColor* ByteItem::getBackgroundColor() {
/*
* Due to the sheer number of byte items, painting them can be quite expensive. This function needs to be fast.
*
* The background colors vary in alpha value, depending on certain states. We create a static object for each
* color variant, so that we don't have to make copies or call QColor::setAlpha() for each ByteItem.
*/
static const auto highlightedBackgroundColor = QColor(0x3C, 0x59, 0x5C, 255);
static const auto focusedRegionBackgroundColor = QColor(0x44, 0x44, 0x41, 255);
static const auto stackMemoryBackgroundColor = QColor(0x67, 0x57, 0x20, 210);
static const auto disabledHighlightedBackgroundColor = QColor(
highlightedBackgroundColor.red(),
highlightedBackgroundColor.green(),
highlightedBackgroundColor.blue(),
100
);
static const auto disabledFocusedRegionBackgroundColor = QColor(
focusedRegionBackgroundColor.red(),
focusedRegionBackgroundColor.green(),
focusedRegionBackgroundColor.blue(),
100
);
static const auto disabledStackMemoryBackgroundColor = QColor(
stackMemoryBackgroundColor.red(),
stackMemoryBackgroundColor.green(),
stackMemoryBackgroundColor.blue(),
100
);
static const auto hoveredStackMemoryBackgroundColor = QColor(
stackMemoryBackgroundColor.red(),
stackMemoryBackgroundColor.green(),
stackMemoryBackgroundColor.blue(),
255
);
static const auto hoveredBackgroundColor = QColor(0x8E, 0x8B, 0x83, 70);
static const auto hoveredNeighbourBackgroundColor = QColor(0x8E, 0x8B, 0x83, 30);
if (this->isEnabled()) {
if (this->highlightedAddresses.contains(this->address)) {
return &(highlightedBackgroundColor);
}
const auto* hoveredByteItem = *(this->hoveredByteItem);
const auto hovered = hoveredByteItem == this;
const auto hoveredNeighbour =
!hovered
&& hoveredByteItem != nullptr
&& this->settings.highlightHoveredRowAndCol
&& (
hoveredByteItem->currentColumnIndex == this->currentColumnIndex
|| hoveredByteItem->currentRowIndex == this->currentRowIndex
);
if (
this->settings.highlightStackMemory
&& this->currentStackPointer.has_value()
&& this->address > this->currentStackPointer
) {
return hovered ? &(hoveredStackMemoryBackgroundColor) : &(stackMemoryBackgroundColor);
}
if (this->settings.highlightFocusedMemory && this->focusedMemoryRegion != nullptr) {
return &(focusedRegionBackgroundColor);
}
if (hoveredNeighbour) {
return &(hoveredNeighbourBackgroundColor);
}
if (hovered) {
return &(hoveredBackgroundColor);
}
} else {
if (this->highlightedAddresses.contains(this->address)) {
return &(disabledHighlightedBackgroundColor);
} else if (
this->settings.highlightStackMemory
&& this->currentStackPointer.has_value()
&& this->address > this->currentStackPointer
) {
return &(disabledStackMemoryBackgroundColor);
} else if (this->settings.highlightFocusedMemory && this->focusedMemoryRegion != nullptr) {
return &(disabledFocusedRegionBackgroundColor);
}
}
return nullptr;
}
const QColor* ByteItem::getTextColor() {
static const auto standardTextColor = QColor(0xAF, 0xB1, 0xB3);
static const auto asciiModeTextColor = QColor(0xA7, 0x77, 0x26);
static const auto fadedStandardTextColor = QColor(
standardTextColor.red(),
standardTextColor.green(),
standardTextColor.blue(),
100
);
static const auto fadedAsciiModeTextColor = QColor(
asciiModeTextColor.red(),
asciiModeTextColor.green(),
asciiModeTextColor.blue(),
100
);
const auto displayAsAscii = this->settings.displayAsciiValues && this->asciiValue.has_value();
if (this->isEnabled() && this->valueInitialised) {
if (!displayAsAscii) {
if (
this->excludedMemoryRegion != nullptr
|| this->settings.displayAsciiValues
|| (!this->highlightedAddresses.empty() && !this->highlightedAddresses.contains(this->address))
) {
return &(fadedStandardTextColor);
}
return &(standardTextColor);
}
if (!this->highlightedAddresses.empty() && !this->highlightedAddresses.contains(this->address)) {
return &(fadedAsciiModeTextColor);
}
return &(asciiModeTextColor);
}
return displayAsAscii ? &(fadedAsciiModeTextColor) : &(fadedStandardTextColor);
}
}

12
src/Insight/UserInterfaces/InsightWindow/Widgets/TargetMemoryInspectionPane/HexViewerWidget/ByteItem.hpp
View File

@@ -3,6 +3,7 @@
#include <cstdint>
#include <QEvent>
#include <QGraphicsItem>
#include <QFont>
#include <optional>
#include <set>
@@ -39,8 +40,8 @@ namespace Bloom::Widgets
std::size_t byteIndex,
std::uint32_t address,
std::optional<std::uint32_t>& currentStackPointer,
std::optional<ByteItem*>& hoveredByteItem,
std::optional<AnnotationItem*>& hoveredAnnotationItem,
ByteItem** hoveredByteItem,
AnnotationItem** hoveredAnnotationItem,
std::set<std::uint32_t>& highlightedAddresses,
const HexViewerWidgetSettings& settings
);
@@ -66,9 +67,12 @@ namespace Bloom::Widgets
QString hexValue;
std::optional<QString> asciiValue;
std::optional<ByteItem*>& hoveredByteItem;
std::optional<AnnotationItem*>& hoveredAnnotationItem;
ByteItem** hoveredByteItem;
AnnotationItem** hoveredAnnotationItem;
std::optional<std::uint32_t>& currentStackPointer;
std::set<std::uint32_t>& highlightedAddresses;
const QColor* getBackgroundColor();
const QColor* getTextColor();
};
}

30
src/Insight/UserInterfaces/InsightWindow/Widgets/TargetMemoryInspectionPane/HexViewerWidget/ByteItemGraphicsScene.cpp
View File

@@ -39,8 +39,8 @@ namespace Bloom::Widgets
i,
address,
this->currentStackPointer,
this->hoveredByteWidget,
this->hoveredAnnotationItem,
&(this->hoveredByteWidget),
&(this->hoveredAnnotationItem),
this->highlightedAddresses,
settings
);
@@ -110,7 +110,7 @@ namespace Bloom::Widgets
}
// Refresh annotation items
this->hoveredAnnotationItem = std::nullopt;
this->hoveredAnnotationItem = nullptr;
for (auto* annotationItem : this->annotationItems) {
this->removeItem(annotationItem);
delete annotationItem;
@@ -191,8 +191,6 @@ namespace Bloom::Widgets
std::max(sceneHeight, this->parent->height())
);
}
this->update();
}
void ByteItemGraphicsScene::setEnabled(bool enabled) {
@@ -232,7 +230,7 @@ namespace Bloom::Widgets
}
bool ByteItemGraphicsScene::event(QEvent* event) {
if (event->type() == QEvent::Type::GraphicsSceneLeave && this->hoveredByteWidget.has_value()) {
if (event->type() == QEvent::Type::GraphicsSceneLeave && this->hoveredByteWidget != nullptr) {
this->onByteWidgetLeave();
}
@@ -254,7 +252,7 @@ namespace Bloom::Widgets
return;
}
if (this->hoveredByteWidget.has_value()) {
if (this->hoveredByteWidget != nullptr) {
this->onByteWidgetLeave();
}
@@ -263,7 +261,7 @@ namespace Bloom::Widgets
return;
}
if (this->hoveredAnnotationItem.has_value()) {
if (this->hoveredAnnotationItem != nullptr) {
this->onAnnotationItemLeave();
}
}
@@ -414,8 +412,8 @@ namespace Bloom::Widgets
}
void ByteItemGraphicsScene::onByteWidgetEnter(ByteItem* widget) {
if (this->hoveredByteWidget.has_value()) {
if (this->hoveredByteWidget.value() == widget) {
if (this->hoveredByteWidget != nullptr) {
if (this->hoveredByteWidget == widget) {
// This byte item is already marked as hovered
return;
}
@@ -444,8 +442,8 @@ namespace Bloom::Widgets
}
void ByteItemGraphicsScene::onByteWidgetLeave() {
auto* byteItem = this->hoveredByteWidget.value();
this->hoveredByteWidget = std::nullopt;
auto* byteItem = this->hoveredByteWidget;
this->hoveredByteWidget = nullptr;
this->hoveredAddressLabel->setText("Relative Address (Absolute Address):");
@@ -464,8 +462,8 @@ namespace Bloom::Widgets
}
void ByteItemGraphicsScene::onAnnotationItemEnter(AnnotationItem* annotationItem) {
if (this->hoveredAnnotationItem.has_value()) {
if (this->hoveredAnnotationItem.value() == annotationItem) {
if (this->hoveredAnnotationItem != nullptr) {
if (this->hoveredAnnotationItem == annotationItem) {
return;
}
@@ -484,8 +482,8 @@ namespace Bloom::Widgets
}
void ByteItemGraphicsScene::onAnnotationItemLeave() {
auto* annotationItem = this->hoveredAnnotationItem.value();
this->hoveredAnnotationItem = std::nullopt;
auto* annotationItem = this->hoveredAnnotationItem;
this->hoveredAnnotationItem = nullptr;
for (
auto byteItemAddress = annotationItem->startAddress;

4
src/Insight/UserInterfaces/InsightWindow/Widgets/TargetMemoryInspectionPane/HexViewerWidget/ByteItemGraphicsScene.hpp
View File

@@ -72,8 +72,8 @@ namespace Bloom::Widgets
bool enabled = true;
std::optional<ByteItem*> hoveredByteWidget;
std::optional<AnnotationItem*> hoveredAnnotationItem;
ByteItem* hoveredByteWidget = nullptr;
AnnotationItem* hoveredAnnotationItem = nullptr;
std::optional<std::uint32_t> currentStackPointer;