Fix missing IMGUI_API and mismatching namespace internal's CreateNewWindowSettings (#2105)

imgui.cpp

@@ -8473,7 +8473,7 @@ void ImGui::MarkIniSettingsDirty(ImGuiWindow* window)
             g.SettingsDirtyTimer = g.IO.IniSavingRate;
 }
 
-static ImGuiWindowSettings* CreateNewWindowSettings(const char* name)
+static ImGuiWindowSettings* ImGui::CreateNewWindowSettings(const char* name)
 {
     ImGuiContext& g = *GImGui;
     g.SettingsWindows.push_back(ImGuiWindowSettings());
@@ -8611,7 +8611,7 @@ static void* SettingsHandlerWindow_ReadOpen(ImGuiContext*, ImGuiSettingsHandler*
 {
     ImGuiWindowSettings* settings = ImGui::FindWindowSettings(ImHash(name, 0));
     if (!settings)
-        settings = CreateNewWindowSettings(name);
+        settings = ImGui::CreateNewWindowSettings(name);
     return (void*)settings;
 }
 
@@ -8639,7 +8639,7 @@ static void SettingsHandlerWindow_WriteAll(ImGuiContext* imgui_ctx, ImGuiSetting
         ImGuiWindowSettings* settings = (window->SettingsIdx != -1) ? &g.SettingsWindows[window->SettingsIdx] : ImGui::FindWindowSettings(window->ID);
         if (!settings)
         {
-            settings = CreateNewWindowSettings(window->Name);
+            settings = ImGui::CreateNewWindowSettings(window->Name);
             window->SettingsIdx = g.SettingsWindows.index_from_pointer(settings);
         }
         IM_ASSERT(settings->ID == window->ID);

imgui.h

@@ -1456,7 +1456,7 @@ struct ImGuiInputTextCallbackData
 
     // Helper functions for text manipulation.
     // Use those function to benefit from the CallbackResize behaviors. Calling those function reset the selection.
-    ImGuiInputTextCallbackData();
+    IMGUI_API ImGuiInputTextCallbackData();
     IMGUI_API void      DeleteChars(int pos, int bytes_count);
     IMGUI_API void      InsertChars(int pos, const char* text, const char* text_end = NULL);
     bool                HasSelection() const { return SelectionStart != SelectionEnd; }