IQ.Pilot Release Commit @ 0b96bd5

iqpilot/tools/cabana/ui/widgets/messagebytes.cc

@@ -0,0 +1,60 @@
+#include "tools/cabana/ui/widgets/messagebytes.h"
+
+#include <algorithm>
+#include <cmath>
+
+#include "tools/cabana/ui/util.h"
+#include "tools/cabana/utils/strings.h"
+
+ImVec2 byteCellSize() {
+  pushMonoFont();
+
+  const ImFontBaked *baked = ImGui::GetFontBaked();
+  const ImVec2 size(ImGui::CalcTextSize("00 ").x, std::ceil(baked->Ascent) - std::floor(baked->Descent) + 1 + 2);
+  popMonoFont();
+  return size;
+}
+
+ImVec2 bytesCellSize(int n, bool multiple_lines) {
+  const ImVec2 byte_size = byteCellSize();
+  const int rows = multiple_lines ? std::max(1, (n + 7) / 8) : 1;
+  const int columns = multiple_lines ? std::min(n, 8) : n;
+  const ImVec2 margin = ImGui::GetStyle().CellPadding;
+  return {columns * byte_size.x + (margin.x + 1) * 2, rows * byte_size.y + (margin.y + 1) * 2};
+}
+
+ImU32 cellTextColor(bool selected, bool inactive) {
+  if (selected) return inactive ? withAlpha(highlightedTextColor(), 100) : highlightedTextColor();
+  return ImGui::GetColorU32(inactive ? ImGuiCol_TextDisabled : ImGuiCol_Text);
+}
+
+void drawTextCell(ImDrawList *dl, const ImRect &rect, const std::string &text, bool selected, bool inactive) {
+  drawElidedText(dl, rect, text, cellTextColor(selected, inactive));
+}
+
+void drawBytesCell(ImDrawList *dl, const ImRect &rect, const std::vector<uint8_t> &bytes, const std::vector<CabanaColor> *colors,
+                   bool selected, bool inactive, bool multiple_lines) {
+  const ImU32 text_pen = cellTextColor(selected, inactive);
+  const ImVec2 byte_size = byteCellSize();
+  pushMonoFont();
+  ImFont *font = ImGui::GetFont();
+  const float font_size = ImGui::GetFontSize();
+  for (int i = 0; i < (int)bytes.size(); ++i) {
+    const int row = multiple_lines ? i / 8 : 0;
+    const int column = multiple_lines ? i % 8 : i;
+    const ImVec2 min(rect.Min.x + column * byte_size.x, rect.Min.y + row * byte_size.y);
+    const ImRect r(min, ImVec2(min.x + byte_size.x, min.y + byte_size.y));
+
+
+    ImU32 pen = text_pen;
+    if (colors && i < (int)colors->size() && (*colors)[i].alpha() > 0) {
+      if (selected) {
+        pen = ImGui::GetColorU32(ImGuiCol_Text);
+        dl->AddRectFilled(r.Min, r.Max, ImGui::GetColorU32(ImGuiCol_WindowBg));
+      }
+      dl->AddRectFilled(r.Min, r.Max, toImU32((*colors)[i]));
+    }
+    drawText(dl, r, utils::hexByte(bytes[i]), pen, font, font_size);
+  }
+  popMonoFont();
+}