From 348a1bfb244288b1c78d8ce3c8d8a8cb5c1bdebc Mon Sep 17 00:00:00 2001
From: Dominick Allen <djallen@librehumanitas.org>
Date: Tue, 24 Sep 2024 20:00:16 -0500
Subject: Start app rendering.

---
 src/imgui_context.cpp | 26 +++++++++++++++++++++++---
 1 file changed, 23 insertions(+), 3 deletions(-)

(limited to 'src/imgui_context.cpp')

diff --git a/src/imgui_context.cpp b/src/imgui_context.cpp
index 49b74ca..d0f9206 100644
--- a/src/imgui_context.cpp
+++ b/src/imgui_context.cpp
@@ -5,7 +5,8 @@
 
 namespace bookmouse {
 
-ImguiContext::ImguiContext(GlContext& glContext, SdlContext& sdlContext, SdlMainWindow& mainWindow)
+ImguiContext::ImguiContext(GlContext& glContext, SdlContext& sdlContext, SdlMainWindow& mainWindow) :
+    m_mainWindow(mainWindow)
 {
     IMGUI_CHECKVERSION();
     ImGui::CreateContext();
@@ -27,14 +28,33 @@ ImguiContext::~ImguiContext()
     ImGui::DestroyContext();
 }
 
-void ImguiContext::setIOFlag(ImGuiConfigFlags_ flag)
+void ImguiContext::setIOFlag(ImGuiConfigFlags_ flag) const
 {
     ImGui::GetIO().ConfigFlags |= flag;
 }
 
-const ImGuiIO& ImguiContext::getIO()
+const ImGuiIO& ImguiContext::getIO() const
 {
     return ImGui::GetIO();
 }
 
+bool ImguiContext::processEvent(SDL_Event& event) const
+{
+    return ImGui_ImplSDL2_ProcessEvent(&event);
+}
+
+void ImguiContext::startFrame() const
+{
+    ImGui_ImplOpenGL3_NewFrame();
+    ImGui_ImplSDL2_NewFrame();
+    ImGui::NewFrame();
+}
+
+void ImguiContext::render() const
+{
+    ImGui::Render();
+    ImGui_ImplOpenGL3_RenderDrawData(ImGui::GetDrawData());
+    SDL_GL_SwapWindow(m_mainWindow.window());
+}
+
 } // namespace bookmouse
-- 
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