import ui

2 files changed, 44 insertions, 0 deletions

diff --git a/libs/imgui-1.92.1/imgui.cpp b/libs/imgui-1.92.1/imgui.cpp
index 99819ff..b41a167 100644
--- a/libs/imgui-1.92.1/imgui.cpp
+++ b/libs/imgui-1.92.1/imgui.cpp
@@ -16677,6 +16677,46 @@ void ImGui::DebugBreakButtonTooltip(bool keyboard_only, const char* description_
     EndTooltip();
 }
 
+// From https://github.com/ocornut/imgui/issues/1901#issuecomment-444929973
+void ImGui::LoadingIndicatorCircle(const char* label, const float indicator_radius,
+                                const ImVec4& main_color, const ImVec4& backdrop_color,
+                                const int circle_count, const float speed) {
+    ImGuiWindow* window = GetCurrentWindow();
+    if (window->SkipItems) {
+        return;
+    }
+
+    ImGuiContext& g = *GImGui;
+    const ImGuiID id = window->GetID(label);
+
+    const ImVec2 pos = window->DC.CursorPos;
+    const float circle_radius = indicator_radius / 15.0f;
+    const float updated_indicator_radius = indicator_radius - 4.0f * circle_radius;
+    const ImRect bb(pos, ImVec2(pos.x + indicator_radius * 2.0f, pos.y + indicator_radius * 2.0f));
+    ItemSize(bb);
+    if (!ItemAdd(bb, id)) {
+        return;
+    }
+    const double t = g.Time;
+    const auto degree_offset = 2.0f * IM_PI / circle_count;
+    for (int i = 0; i < circle_count; ++i) {
+        const auto x = updated_indicator_radius * sin(degree_offset * i);
+        const auto y = updated_indicator_radius * cos(degree_offset * i);
+
+        #define max(a,b) (((a)>(b))?(a):(b))
+
+        const auto growth = max(0.0f, sin(t * speed - i * degree_offset));
+        ImVec4 color;
+        color.x = (float)(main_color.x * growth + backdrop_color.x * (1.0f - growth));
+        color.y = (float)(main_color.y * growth + backdrop_color.y * (1.0f - growth));
+        color.z = (float)(main_color.z * growth + backdrop_color.z * (1.0f - growth));
+        color.w = 1.0f;
+        window->DrawList->AddCircleFilled(ImVec2((float)(pos.x + indicator_radius + x),
+                                                (float)(pos.y + indicator_radius - y)),
+                                        (float)(circle_radius + growth * circle_radius), GetColorU32(color));
+    }
+}
+
 // Special button that doesn't take focus, doesn't take input owner, and can be activated without a click etc.
 // In order to reduce interferences with the contents we are trying to debug into.
 bool ImGui::DebugBreakButton(const char* label, const char* description_of_location)
diff --git a/libs/imgui-1.92.1/imgui.h b/libs/imgui-1.92.1/imgui.h
index a2b2a1f..29c89b9 100644
--- a/libs/imgui-1.92.1/imgui.h
+++ b/libs/imgui-1.92.1/imgui.h
@@ -375,6 +375,10 @@ IM_MSVC_RUNTIME_CHECKS_RESTORE
 
 namespace ImGui
 {
+    IMGUI_API void LoadingIndicatorCircle(const char* label, const float indicator_radius,
+                                   const ImVec4& main_color, const ImVec4& backdrop_color,
+                                   const int circle_count, const float speed);
+
     // Context creation and access
     // - Each context create its own ImFontAtlas by default. You may instance one yourself and pass it to CreateContext() to share a font atlas between contexts.
     // - DLL users: heaps and globals are not shared across DLL boundaries! You will need to call SetCurrentContext() + SetAllocatorFunctions()