Add selectable rounding

imgui.cpp

@@ -3657,6 +3657,7 @@ static const ImGuiStyleVarInfo GStyleVarsInfo[] =
     { 1, ImGuiDataType_Float, (ImU32)offsetof(ImGuiStyle, TreeLinesRounding)},          // ImGuiStyleVar_TreeLinesRounding
     { 2, ImGuiDataType_Float, (ImU32)offsetof(ImGuiStyle, ButtonTextAlign) },           // ImGuiStyleVar_ButtonTextAlign
     { 2, ImGuiDataType_Float, (ImU32)offsetof(ImGuiStyle, SelectableTextAlign) },       // ImGuiStyleVar_SelectableTextAlign
+    { 2, ImGuiDataType_Float, (ImU32)offsetof(ImGuiStyle, SelectableRounding) },        // ImGuiStyleVar_SelectableRounding
     { 1, ImGuiDataType_Float, (ImU32)offsetof(ImGuiStyle, SeparatorSize)},              // ImGuiStyleVar_SeparatorSize
     { 1, ImGuiDataType_Float, (ImU32)offsetof(ImGuiStyle, SeparatorTextBorderSize)},    // ImGuiStyleVar_SeparatorTextBorderSize
     { 2, ImGuiDataType_Float, (ImU32)offsetof(ImGuiStyle, SeparatorTextAlign) },        // ImGuiStyleVar_SeparatorTextAlign

imgui.h

@@ -1854,6 +1854,7 @@ enum ImGuiStyleVar_
     ImGuiStyleVar_TreeLinesRounding,        // float     TreeLinesRounding
     ImGuiStyleVar_ButtonTextAlign,          // ImVec2    ButtonTextAlign
     ImGuiStyleVar_SelectableTextAlign,      // ImVec2    SelectableTextAlign
+    ImGuiStyleVar_SelectableRounding,       // float     SelectableRounding
     ImGuiStyleVar_SeparatorSize,            // float     SeparatorSize
     ImGuiStyleVar_SeparatorTextBorderSize,  // float     SeparatorTextBorderSize
     ImGuiStyleVar_SeparatorTextAlign,       // ImVec2    SeparatorTextAlign
@@ -2335,6 +2336,7 @@ struct ImGuiStyle
     ImGuiDir    ColorButtonPosition;        // Side of the color button in the ColorEdit4 widget (left/right). Defaults to ImGuiDir_Right.
     ImVec2      ButtonTextAlign;            // Alignment of button text when button is larger than text. Defaults to (0.5f, 0.5f) (centered).
     ImVec2      SelectableTextAlign;        // Alignment of selectable text. Defaults to (0.0f, 0.0f) (top-left aligned). It's generally important to keep this left-aligned if you want to lay multiple items on a same line.
+    float       SelectableRounding;         // Radius of selectable corners rounding. Set to 0.0f to have rectangular selectables.
     float       SeparatorSize;              // Thickness of border in Separator(). Must be >= 1.0f.
     float       SeparatorTextBorderSize;    // Thickness of border in SeparatorText()
     ImVec2      SeparatorTextAlign;         // Alignment of text within the separator. Defaults to (0.0f, 0.5f) (left aligned, center).

imgui_demo.cpp

@@ -8463,6 +8463,7 @@ void ImGui::ShowStyleEditor(ImGuiStyle* ref)
             SliderFloat("FrameRounding", &style.FrameRounding, 0.0f, 12.0f, "%.0f");
             SliderFloat("PopupRounding", &style.PopupRounding, 0.0f, 12.0f, "%.0f");
             SliderFloat("GrabRounding", &style.GrabRounding, 0.0f, 12.0f, "%.0f");
+            SliderFloat("SelectableRounding", &style.SelectableRounding, 0.0f, 12.0f, "%.0f");
 
             SeparatorText("Scrollbar");
             SliderFloat("ScrollbarSize", &style.ScrollbarSize, 1.0f, 20.0f, "%.0f");

imgui_widgets.cpp

@@ -7484,7 +7484,7 @@ bool ImGui::Selectable(const char* label, bool selected, ImGuiSelectableFlags fl
         {
             // Between 1.91.0 and 1.91.4 we made selected Selectable use an arbitrary lerp between _Header and _HeaderHovered. Removed that now. (#8106)
             ImU32 col = GetColorU32((held && highlighted) ? ImGuiCol_HeaderActive : highlighted ? ImGuiCol_HeaderHovered : ImGuiCol_Header);
-            RenderFrame(bb.Min, bb.Max, col, false, 0.0f);
+            RenderFrame(bb.Min, bb.Max, col, false, style.SelectableRounding);
         }
         if (g.NavId == id)
         {