IQ.Pilot Release Commit @ 0b96bd5

iqpilot/tools/cabana/ui/chart/tiplabel.cc

@@ -0,0 +1,69 @@
+#define IMGUI_DEFINE_MATH_OPERATORS
+#include "tools/cabana/ui/chart/tiplabel.h"
+
+#include <algorithm>
+#include <cfloat>
+
+#include "tools/cabana/ui/util.h"
+
+ImVec2 TipLabel::layoutLines(ImDrawList *p, const ImVec2 &origin, ImU32 fg) const {
+  ImFont *bold = boldFont();
+  const float font_size = ImGui::GetFontSize();
+  const float line_height = ImGui::GetTextLineHeight();
+  ImVec2 size(0, 0);
+  float y = origin.y;
+  for (const auto &line : text_) {
+    float x = origin.x;
+    if (line.has_marker) {
+      if (p) drawColorMarker(p, ImVec2(x, y), line.marker);
+      x += markerSize() + 4;
+    }
+    if (p) p->AddText(ImVec2(x, y), fg, line.name.c_str());
+    x += ImGui::CalcTextSize(line.name.c_str()).x;
+    if (!line.bold.empty()) {
+      if (p) p->AddText(bold, font_size, ImVec2(x, y), fg, line.bold.c_str());
+      x += bold->CalcTextSizeA(font_size, FLT_MAX, 0.0f, line.bold.c_str()).x;
+    }
+    if (p) p->AddText(ImVec2(x, y), fg, line.rest.c_str());
+    x += ImGui::CalcTextSize(line.rest.c_str()).x;
+    size.x = std::max(size.x, x - origin.x);
+    y += line_height;
+  }
+  size.y = y - origin.y;
+  return size;
+}
+
+ImVec2 TipLabel::sizeHint() const {
+  return layoutLines(nullptr, ImVec2(0, 0), 0) + ImVec2(MARGIN * 2, MARGIN * 2);
+}
+
+void TipLabel::showText(const ImVec2 &pt, const std::vector<TipLine> &text, const ImRect &rect) {
+  text_ = text;
+  if (!text_.empty()) {
+    ImVec2 extra(1, 1);
+    size_ = sizeHint() + extra;
+    ImVec2 tip_pos(pt.x + 8, rect.Min.y + 2);
+    if (tip_pos.x + size_.x >= rect.Max.x) {
+      tip_pos.x = pt.x - size_.x - 8;
+    }
+    if (rect.Contains(ImRect(tip_pos, tip_pos + size_))) {
+      pos_ = tip_pos;
+      visible_ = true;
+      return;
+    }
+  }
+  visible_ = false;
+}
+
+void TipLabel::draw() {
+  if (!visible_) return;
+
+  ImDrawList *p = ImGui::GetForegroundDrawList();
+  const bool dark = isDarkTheme();
+  const ImU32 bg = dark ? ImGui::GetColorU32(ImGuiCol_PopupBg) : ImGui::GetColorU32(ImGuiCol_ChildBg);
+  const ImU32 fg = dark ? ImGui::GetColorU32(ImGuiCol_Text) : IM_COL32(0x40, 0x40, 0x44, 0xff);
+
+  p->AddRectFilled(pos_, pos_ + size_, bg);
+  p->AddRect(pos_, pos_ + size_, ImGui::GetColorU32(ImGuiCol_Border));
+  layoutLines(p, pos_ + ImVec2(MARGIN, MARGIN), fg);
+}