From 12c36a35cf43d3453a5745e4464de531674e8e65 Mon Sep 17 00:00:00 2001
From: Stanislaw Halik <sthalik@misaki.pl>
Date: Tue, 21 Feb 2023 07:37:24 +0100
Subject: more imgui wrappers

---
 editor/imgui-raii.cpp | 11 +++++++++++
 editor/imgui-raii.hpp |  3 ++-
 2 files changed, 13 insertions(+), 1 deletion(-)

diff --git a/editor/imgui-raii.cpp b/editor/imgui-raii.cpp
index 05e9edab..458de973 100644
--- a/editor/imgui-raii.cpp
+++ b/editor/imgui-raii.cpp
@@ -28,6 +28,11 @@ void text(StringView str, ImGuiTextFlags flags) { ImGui::TextEx(str.data(), str.
 raii_wrapper::raii_wrapper(raii_wrapper::F fn) : dtor{fn} {}
 raii_wrapper::~raii_wrapper() { if (dtor) dtor(); }
 raii_wrapper::raii_wrapper(raii_wrapper&& other) noexcept : dtor{other.dtor} { other.dtor = nullptr; }
+raii_wrapper& raii_wrapper::operator=(raii_wrapper&& other) noexcept
+{
+    dtor = std::exchange(other.dtor, nullptr);
+    return *this;
+}
 raii_wrapper::operator bool() const noexcept { return dtor != nullptr; }
 
 raii_wrapper push_style_color(ImGuiCol_ var, const Color4& value)
@@ -62,6 +67,12 @@ raii_wrapper tree_node(Containers::StringView name, ImGuiTreeNodeFlags flags)
         return {};
 }
 
+raii_wrapper begin_disabled(bool is_disabled)
+{
+    ImGui::BeginDisabled(is_disabled);
+    return {&ImGui::EndDisabled};
+}
+
 raii_wrapper begin_list_box(Containers::StringView name, ImVec2 size)
 {
     if (ImGui::BeginListBox(name.data(), size))
diff --git a/editor/imgui-raii.hpp b/editor/imgui-raii.hpp
index ba283195..1893ab90 100644
--- a/editor/imgui-raii.hpp
+++ b/editor/imgui-raii.hpp
@@ -15,7 +15,7 @@ struct raii_wrapper final
     ~raii_wrapper();
     raii_wrapper(const raii_wrapper&) = delete;
     raii_wrapper& operator=(const raii_wrapper&) = delete;
-    raii_wrapper& operator=(raii_wrapper&&) = delete;
+    raii_wrapper& operator=(raii_wrapper&&) noexcept;
     raii_wrapper(raii_wrapper&& other) noexcept;
     operator bool() const noexcept;
 
@@ -29,6 +29,7 @@ private:
 [[nodiscard]] raii_wrapper begin_list_box(StringView name, ImVec2 size = {});
 [[nodiscard]] raii_wrapper begin_table(const char* id, int ncols, ImGuiTableFlags flags = 0, const ImVec2& outer_size = {}, float inner_width = 0);
 [[nodiscard]] raii_wrapper tree_node(StringView name, ImGuiTreeNodeFlags flags = ImGuiTreeNodeFlags_None);
+[[nodiscard]] raii_wrapper begin_disabled(bool is_disabled = true);
 
 [[nodiscard]] raii_wrapper push_style_var(ImGuiStyleVar_ var, Vector2 value);
 [[nodiscard]] raii_wrapper push_style_var(ImGuiStyleVar_ var, float value);
-- 
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