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feat: Added per-byte highlights to the hex editor minimap

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WerWolv
2024-06-20 11:21:20 +02:00
parent 5d59b8599d
commit c5f5973a9d
6 changed files with 105 additions and 19 deletions
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20
plugins/ui/source/ui/hex_editor.cpp
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@@ -195,7 +195,10 @@ namespace hex::ui {
}
void HexEditor::drawMinimap(ImVec2 characterSize) {
ImS64 numRows = m_provider == nullptr ? 0 : (m_provider->getSize() / m_bytesPerRow) + ((m_provider->getSize() % m_bytesPerRow) == 0 ? 0 : 1);
if (m_provider == nullptr)
return;
ImS64 numRows = (m_provider->getSize() / m_bytesPerRow) + ((m_provider->getSize() % m_bytesPerRow) == 0 ? 0 : 1);
auto window = ImGui::GetCurrentWindowRead();
const auto outerRect = window->Rect();
@@ -239,14 +242,25 @@ namespace hex::ui {
drawList->ChannelsSetCurrent(0);
std::vector<u8> rowData(m_bytesPerRow);
std::vector<ImColor> rowColors;
const auto drawStart = std::max<ImS64>(0, scrollPos - grabPos);
for (ImS64 y = drawStart; y < std::min<ImS64>(drawStart + rowCount, m_provider->getSize() / m_bytesPerRow); y += 1) {
const auto rowStart = bb.Min + ImVec2(0, (y - drawStart) * rowHeight);
const auto rowEnd = rowStart + ImVec2(bb.GetSize().x, rowHeight);
const auto rowSize = rowEnd - rowStart;
m_provider->read(y * m_bytesPerRow + m_provider->getBaseAddress() + m_provider->getCurrentPageAddress(), rowData.data(), rowData.size());
const auto address = y * m_bytesPerRow + m_provider->getBaseAddress() + m_provider->getCurrentPageAddress();
m_provider->read(address, rowData.data(), rowData.size());
drawList->AddRectFilled(rowStart, rowEnd, m_miniMapVisualizer->callback(rowData));
m_miniMapVisualizer->callback(address, rowData, rowColors);
const auto cellSize = rowSize / ImVec2(rowColors.size(), 1);
ImVec2 cellPos = rowStart;
for (const auto &rowColor : rowColors) {
drawList->AddRectFilled(cellPos, cellPos + cellSize, rowColor);
cellPos.x += cellSize.x;
}
rowColors.clear();
}
drawList->ChannelsMerge();