From 17018c137f96b458c2bad5b7ddb0196b773c085c Mon Sep 17 00:00:00 2001
From: Bruno Herbelin <bruno.herbelin@gmail.com>
Date: Fri, 31 Dec 2021 13:16:16 +0100
Subject: [PATCH] MultiLine text display

---
 ImGuiToolkit.cpp | 12 ++++++++++++
 ImGuiToolkit.h   |  1 +
 2 files changed, 13 insertions(+)

diff --git a/ImGuiToolkit.cpp b/ImGuiToolkit.cpp
index 428e01a..311d6b9 100644
--- a/ImGuiToolkit.cpp
+++ b/ImGuiToolkit.cpp
@@ -1721,3 +1721,15 @@ bool ImGuiToolkit::InputTextMultiline(const char* label, std::string* str, const
 }
 
 
+void ImGuiToolkit::ShowTextMultiline(const char* label, const std::string &str, float width)
+{
+    size_t numlines = std::count(str.begin(), str.end(), '\n') + 1;
+
+    ImGuiContext& g = *GImGui;
+    ImVec2 size(width, numlines * (g.FontSize + g.Style.ItemSpacing.y) + g.Style.FramePadding.y * 2.0f);
+
+    ImGui::PushStyleColor(ImGuiCol_FrameBg, g.Style.Colors[ImGuiCol_FrameBgHovered]);
+    ImGui::InputTextMultiline(label, (char*)str.c_str(), str.capacity() + 1, size, ImGuiInputTextFlags_ReadOnly);
+    ImGui::PopStyleColor();
+
+}
diff --git a/ImGuiToolkit.h b/ImGuiToolkit.h
index 73096e1..47edd3d 100644
--- a/ImGuiToolkit.h
+++ b/ImGuiToolkit.h
@@ -69,6 +69,7 @@ namespace ImGuiToolkit
     // text input
     bool InputText(const char* label, std::string* str);
     bool InputTextMultiline(const char* label, std::string* str, const ImVec2& size = ImVec2(0, 0), int linesize = 0);
+    void ShowTextMultiline(const char* label, const std::string &str, float width);
 
     // accent color of UI
     typedef enum {