From 5a0dbf4c70a6f93fdaf762031674f10e94610567 Mon Sep 17 00:00:00 2001
From: Georg Hagen <git.georg.hagen@madvoxel.com>
Date: Tue, 14 Oct 2025 15:40:14 +0200
Subject: [PATCH] Add first draft for input handling for ImGuiOpenVulkano
 backend

---
 openVulkanoCpp/Host/ImGuiImplOpenVulkano.cpp | 22 ++++++++++++++++++++
 1 file changed, 22 insertions(+)

diff --git a/openVulkanoCpp/Host/ImGuiImplOpenVulkano.cpp b/openVulkanoCpp/Host/ImGuiImplOpenVulkano.cpp
index 361d4b8..8674c2a 100644
--- a/openVulkanoCpp/Host/ImGuiImplOpenVulkano.cpp
+++ b/openVulkanoCpp/Host/ImGuiImplOpenVulkano.cpp
@@ -6,11 +6,19 @@
 
 #include "ImGuiImplOpenVulkano.hpp"
 #include "Base/FrameMetadata.hpp"
+#include "Input/InputManager.hpp"
+#include "Base/Logger.hpp"
 #include <imgui.h>
 
 namespace OpenVulkano
 {
 	ImGuiImplOpenVulkano ImGuiImplOpenVulkano::INSTANCE{};
+	
+	namespace {
+		Input::InputAction pressed("ImGuiMousePressed");
+		Input::InputAction positionX("ImGuiMousePositionX");
+		Input::InputAction positionY("ImGuiMousePositionY");
+	}
 
 	void ImGuiImplOpenVulkano::Init(OpenVulkano::IWindow* window)
 	{
@@ -29,6 +37,17 @@ namespace OpenVulkano
 
 		ImGuiViewport* mainViewport = ImGui::GetMainViewport();
 		mainViewport->PlatformHandle = m_window;
+		
+		pressed.BindKey(Input::InputKey::Mouse::BUTTON_1);
+		pressed.BindKey(Input::InputKey::Touch::BUTTON_TAP);
+		pressed.BindKey(Input::InputKey::Touch::BUTTON_PAN);
+		
+		positionX.BindKey(Input::InputKey::Mouse::AXIS_X_ABS);
+		positionX.BindKey(Input::InputKey::Touch::AXIS_TAP_X_ABS);
+		positionX.BindKey(Input::InputKey::Touch::AXIS_PAN_X_ABS);
+		positionY.BindKey(Input::InputKey::Mouse::AXIS_Y_ABS);
+		positionY.BindKey(Input::InputKey::Touch::AXIS_TAP_Y_ABS);
+		positionY.BindKey(Input::InputKey::Touch::AXIS_PAN_Y_ABS);
 	}
 
 	void ImGuiImplOpenVulkano::NewFrame()
@@ -54,6 +73,9 @@ namespace OpenVulkano
 		io.DeltaTime = CURRENT_FRAME.frameTime;
 
 		//TODO handle inputs
+		auto input = Input::InputManager::GetInstance();
+		auto p = io.MousePos = { input->GetAxis(&positionX) / io.DisplayFramebufferScale.x, input->GetAxis(&positionY) / io.DisplayFramebufferScale.y };
+		io.MouseDown[0] = input->GetButton(&pressed);
 	}
 
 	void ImGuiImplOpenVulkano::Close()