Supporting setting panel layout

2026-09-19 19:41:39 -07:00
parent ace69f613e
commit da6bda7ca7
24 changed files with 257 additions and 37 deletions
@@ -0,0 +1,45 @@
+#include "viewport_panel.hpp"
+
+#include <imgui.h>
+
+void ViewportPanel::onUpdate(const sophia::FrameInfo&) {
+  const struct {
+    const char* label;
+    GizmoMode mode;
+  } modes[] = {{"Move", GizmoMode::Move},
+               {"Rotate", GizmoMode::Rotate},
+               {"Scale", GizmoMode::Scale}};
+
+  for (const auto& entry : modes) {
+    if (ImGui::RadioButton(entry.label, gizmoMode == entry.mode)) {
+      gizmoMode = entry.mode;
+    }
+    ImGui::SameLine();
+  }
+  ImGui::Checkbox("Grid", &showGrid);
+
+  ImGui::Separator();
+
+  const ImVec2 origin = ImGui::GetCursorScreenPos();
+  const ImVec2 size = ImGui::GetContentRegionAvail();
+  const ImVec2 end(origin.x + size.x, origin.y + size.y);
+
+  ImDrawList* drawList = ImGui::GetWindowDrawList();
+  drawList->AddRectFilled(origin, end, IM_COL32(24, 26, 32, 255));
+
+  if (showGrid) {
+    constexpr float GRID_STEP = 40.0f;
+    const ImU32 gridColor = IM_COL32(255, 255, 255, 18);
+    for (float x = GRID_STEP; x < size.x; x += GRID_STEP) {
+      drawList->AddLine(ImVec2(origin.x + x, origin.y),
+                        ImVec2(origin.x + x, end.y), gridColor);
+    }
+    for (float y = GRID_STEP; y < size.y; y += GRID_STEP) {
+      drawList->AddLine(ImVec2(origin.x, origin.y + y),
+                        ImVec2(end.x, origin.y + y), gridColor);
+    }
+  }
+
+  ImGui::SetCursorScreenPos(ImVec2(origin.x + 8.0f, origin.y + 8.0f));
+  ImGui::TextDisabled("%.0f x %.0f", size.x, size.y);
+}