From 6fc469123f16cb5ee9ef6aef7107f8db2994f02a Mon Sep 17 00:00:00 2001
From: falkTX <falktx@falktx.com>
Date: Thu, 3 Feb 2022 22:58:06 +0000
Subject: [PATCH] Make sure a imgui.ini is never created

---
 plugins/Cardinal/src/ImGuiTextEditor.cpp |  8 ++-
 plugins/Cardinal/src/ImGuiWidget.cpp     | 88 +++++++++++++-----------
 2 files changed, 54 insertions(+), 42 deletions(-)

diff --git a/plugins/Cardinal/src/ImGuiTextEditor.cpp b/plugins/Cardinal/src/ImGuiTextEditor.cpp
index 671cfff..dff0720 100644
--- a/plugins/Cardinal/src/ImGuiTextEditor.cpp
+++ b/plugins/Cardinal/src/ImGuiTextEditor.cpp
@@ -187,7 +187,13 @@ void ImGuiTextEditor::drawImGui()
     ImGui::SetNextWindowPos(ImVec2(0, 0));
     ImGui::SetNextWindowSize(ImVec2(box.size.x * scaleFactor, box.size.y * scaleFactor));
 
-    if (ImGui::Begin("TextEdit", nullptr, ImGuiWindowFlags_NoTitleBar|ImGuiWindowFlags_NoResize))
+    const int pflags = ImGuiWindowFlags_NoSavedSettings
+                     | ImGuiWindowFlags_NoCollapse
+                     | ImGuiWindowFlags_NoResize
+                     | ImGuiWindowFlags_NoTitleBar
+                     | ImGuiWindowFlags_AlwaysAutoResize;
+
+    if (ImGui::Begin("TextEdit", nullptr, pflags))
     {
         TextEditor& editor(pData->editor);
 
diff --git a/plugins/Cardinal/src/ImGuiWidget.cpp b/plugins/Cardinal/src/ImGuiWidget.cpp
index 58f476f..fd4b479 100644
--- a/plugins/Cardinal/src/ImGuiWidget.cpp
+++ b/plugins/Cardinal/src/ImGuiWidget.cpp
@@ -24,6 +24,50 @@
 
 #include "DearImGui/imgui_impl_opengl2.h"
 
+static const char* GetClipboardTextFn(void*)
+{
+    return glfwGetClipboardString(nullptr);
+}
+
+static void SetClipboardTextFn(void*, const char* const text)
+{
+    glfwSetClipboardString(nullptr, text);
+}
+
+static void setupIO()
+{
+    ImGuiIO& io(ImGui::GetIO());
+    io.ConfigFlags |= ImGuiConfigFlags_NavEnableKeyboard;
+    io.IniFilename = nullptr;
+    io.LogFilename = nullptr;
+
+    io.KeyMap[ImGuiKey_Tab] = GLFW_KEY_TAB;
+    io.KeyMap[ImGuiKey_LeftArrow] = GLFW_KEY_LEFT;
+    io.KeyMap[ImGuiKey_RightArrow] = GLFW_KEY_RIGHT;
+    io.KeyMap[ImGuiKey_UpArrow] = GLFW_KEY_UP;
+    io.KeyMap[ImGuiKey_DownArrow] = GLFW_KEY_DOWN;
+    io.KeyMap[ImGuiKey_PageUp] = GLFW_KEY_PAGE_UP;
+    io.KeyMap[ImGuiKey_PageDown] = GLFW_KEY_PAGE_DOWN;
+    io.KeyMap[ImGuiKey_Home] = GLFW_KEY_HOME;
+    io.KeyMap[ImGuiKey_End] = GLFW_KEY_END;
+    io.KeyMap[ImGuiKey_Insert] = GLFW_KEY_INSERT;
+    io.KeyMap[ImGuiKey_Delete] = GLFW_KEY_DELETE;
+    io.KeyMap[ImGuiKey_Backspace] = GLFW_KEY_BACKSPACE;
+    io.KeyMap[ImGuiKey_Space] = GLFW_KEY_SPACE;
+    io.KeyMap[ImGuiKey_Enter] = GLFW_KEY_ENTER;
+    io.KeyMap[ImGuiKey_Escape] = GLFW_KEY_ESCAPE;
+    io.KeyMap[ImGuiKey_KeyPadEnter] = GLFW_KEY_KP_ENTER;
+    io.KeyMap[ImGuiKey_A] = GLFW_KEY_A;
+    io.KeyMap[ImGuiKey_C] = GLFW_KEY_C;
+    io.KeyMap[ImGuiKey_V] = GLFW_KEY_V;
+    io.KeyMap[ImGuiKey_X] = GLFW_KEY_X;
+    io.KeyMap[ImGuiKey_Y] = GLFW_KEY_Y;
+    io.KeyMap[ImGuiKey_Z] = GLFW_KEY_Z;
+
+    io.GetClipboardTextFn = GetClipboardTextFn;
+    io.SetClipboardTextFn = SetClipboardTextFn;
+}
+
 struct ImGuiWidget::PrivateData {
     ImGuiContext* context = nullptr;
     bool created = false;
@@ -32,52 +76,12 @@ struct ImGuiWidget::PrivateData {
     float originalScaleFactor = 0.0f;
     float scaleFactor = 0.0f;
 
-    static const char* GetClipboardTextFn(void*)
-    {
-        return glfwGetClipboardString(nullptr);
-    }
-
-    static void SetClipboardTextFn(void*, const char* const text)
-    {
-        glfwSetClipboardString(nullptr, text);
-    }
-
     PrivateData()
     {
         IMGUI_CHECKVERSION();
         context = ImGui::CreateContext();
         ImGui::SetCurrentContext(context);
-
-        ImGuiIO& io(ImGui::GetIO());
-        io.ConfigFlags |= ImGuiConfigFlags_NavEnableKeyboard;
-        io.IniFilename = nullptr;
-
-        io.KeyMap[ImGuiKey_Tab] = GLFW_KEY_TAB;
-        io.KeyMap[ImGuiKey_LeftArrow] = GLFW_KEY_LEFT;
-        io.KeyMap[ImGuiKey_RightArrow] = GLFW_KEY_RIGHT;
-        io.KeyMap[ImGuiKey_UpArrow] = GLFW_KEY_UP;
-        io.KeyMap[ImGuiKey_DownArrow] = GLFW_KEY_DOWN;
-        io.KeyMap[ImGuiKey_PageUp] = GLFW_KEY_PAGE_UP;
-        io.KeyMap[ImGuiKey_PageDown] = GLFW_KEY_PAGE_DOWN;
-        io.KeyMap[ImGuiKey_Home] = GLFW_KEY_HOME;
-        io.KeyMap[ImGuiKey_End] = GLFW_KEY_END;
-        io.KeyMap[ImGuiKey_Insert] = GLFW_KEY_INSERT;
-        io.KeyMap[ImGuiKey_Delete] = GLFW_KEY_DELETE;
-        io.KeyMap[ImGuiKey_Backspace] = GLFW_KEY_BACKSPACE;
-        io.KeyMap[ImGuiKey_Space] = GLFW_KEY_SPACE;
-        io.KeyMap[ImGuiKey_Enter] = GLFW_KEY_ENTER;
-        io.KeyMap[ImGuiKey_Escape] = GLFW_KEY_ESCAPE;
-        io.KeyMap[ImGuiKey_KeyPadEnter] = GLFW_KEY_KP_ENTER;
-        io.KeyMap[ImGuiKey_A] = GLFW_KEY_A;
-        io.KeyMap[ImGuiKey_C] = GLFW_KEY_C;
-        io.KeyMap[ImGuiKey_V] = GLFW_KEY_V;
-        io.KeyMap[ImGuiKey_X] = GLFW_KEY_X;
-        io.KeyMap[ImGuiKey_Y] = GLFW_KEY_Y;
-        io.KeyMap[ImGuiKey_Z] = GLFW_KEY_Z;
-
-        io.GetClipboardTextFn = GetClipboardTextFn;
-        io.SetClipboardTextFn = SetClipboardTextFn;
-        io.ClipboardUserData = this;
+        setupIO();
     }
 
     ~PrivateData()
@@ -368,6 +372,8 @@ void ImGuiWidget::drawFramebufferForBrowserPreview()
 
     imData->context = ImGui::CreateContext();
     ImGui::SetCurrentContext(imData->context);
+    setupIO();
+
     ImGui_ImplOpenGL2_Init();
     imData->created = true;