add window name support

Author: APokorny

examples/example.cpp

@@ -67,6 +67,6 @@ int                             main()
                 ImGui::End();
             }
         },
-        std::make_unique<imgui::DefaultStyle>(), 1200, 800);
+        std::make_unique<imgui::DefaultStyle>(), "ImGui Example", 1200, 800);
     ui_context->run();
 }

include/imgui/ui.h

@@ -9,6 +9,7 @@ struct Style;
 
 std::unique_ptr<Context> create_ui(std::function<void(Context*)>&& fun,
                                    std::unique_ptr<Style> style,
+                                   std::string const& name,
                                    size_t initial_width, size_t initial_height);
 
 }  // namespace imgui

src/sdl/select_sdl_renderer.cpp

@@ -46,12 +46,12 @@ std::pair<int,std::string> run_gl_init() {
 }  // namespace
 
 std::pair<std::unique_ptr<imgui::SystemIntegration>, std::unique_ptr<imgui::Renderer>>
-is::select_sdl_setup(size_t initial_width, size_t initial_height) {
+is::select_sdl_setup(size_t initial_width, size_t initial_height, std::string const& wn) {
     if (SDL_Init(SDL_INIT_VIDEO | SDL_INIT_TIMER) != 0)
         throw std::runtime_error("error");
     auto version = run_gl_init();
     auto try_window = SDL_CreateWindow(
-        "window", SDL_WINDOWPOS_CENTERED, SDL_WINDOWPOS_CENTERED, initial_width,
+        wn.c_str(), SDL_WINDOWPOS_CENTERED, SDL_WINDOWPOS_CENTERED, initial_width,
         initial_height, SDL_WINDOW_OPENGL | SDL_WINDOW_RESIZABLE);
 
     if (try_window) {

src/sdl/select_sdl_renderer.h

@@ -6,6 +6,6 @@ struct Renderer;
 struct SystemIntegration;
 namespace sdl {
 std::pair<std::unique_ptr<SystemIntegration>, std::unique_ptr<Renderer>>
-select_sdl_setup(size_t initial_width, size_t initial_height);
+select_sdl_setup(size_t initial_width, size_t initial_height, std::string const& wn);
 }  // namespace sdl
 }  // namespace imgui

src/ui.cpp

@@ -40,20 +40,22 @@ auto construct_gl_renderer() {
 
 std::unique_ptr<imgui::Context> imgui::create_ui(
     std::function<void(imgui::Context*)>&& fun, std::unique_ptr<Style> style,
+    std::string const& window_name,
     size_t initial_width, size_t initial_height) {
 #ifdef WIN32
-    auto sys = win32::select_win32_setup(initial_width, initial_height);
+    auto sys = win32::select_win32_setup(initial_width, initial_height, window_name);
     return std::make_unique<Context>(std::move(sys.first),
                                          std::move(sys.second),
                                          std::move(style), std::move(fun));
 #elif defined(EMSCRIPTEN)
     return std::make_unique<imgui::Context>(
-        std::make_unique<emscripten::SystemIntegration>(initial_width,
+        std::make_unique<emscripten::SystemIntegration>(
+            initial_width,
                                                         initial_height),
         construct_gl_renderer(), std::move(style), std::move(fun));
 #elif defined(SDL)
     {
-        auto sys = sdl::select_sdl_setup(initial_width, initial_height);
+        auto sys = sdl::select_sdl_setup(initial_width, initial_height, window_name);
         return std::make_unique<Context>(std::move(sys.first),
                                          std::move(sys.second),
                                          std::move(style), std::move(fun));

src/win32/select_win32_renderer.cpp

@@ -9,7 +9,7 @@ namespace iw = imgui::win32;
 auto WndProc = nullptr;
 
 std::pair<std::unique_ptr<imgui::SystemIntegration>, std::unique_ptr<imgui::Renderer>> iw::select_win32_setup(size_t initial_width,
-                                                                                                              size_t initial_height)
+                                                                                                              size_t initial_height, std::string const& window_name)
 {
     auto is_d3d_9_available = Direct3DCreate9(D3D_SDK_VERSION);
     // further tests for other versions could be added..
@@ -19,7 +19,7 @@ std::pair<std::unique_ptr<imgui::SystemIntegration>, std::unique_ptr<imgui::Rend
     else
         return {nullptr, nullptr};
 
-    auto system   = std::make_unique<iw::SystemIntegration>(initial_width, initial_height, "window");
+    auto system   = std::make_unique<iw::SystemIntegration>(initial_width, initial_height, window_name.c_str());
     auto renderer = std::make_unique<id::Renderer>(system->handle());
     return {std::move(system), std::move(renderer)};
 }

src/win32/select_win32_renderer.h

@@ -7,6 +7,6 @@ struct Renderer;
 struct SystemIntegration;
 namespace win32
 {
-std::pair<std::unique_ptr<SystemIntegration>, std::unique_ptr<Renderer>> select_win32_setup(size_t initial_width, size_t initial_height);
+std::pair<std::unique_ptr<SystemIntegration>, std::unique_ptr<Renderer>> select_win32_setup(size_t initial_width, size_t initial_height, std::string const& window_name);
 }  // namespace win32
 }  // namespace imgui