diff options
Diffstat (limited to 'dependencies/src/imgui/imgui_impl_sdl.cpp')
| -rw-r--r-- | dependencies/src/imgui/imgui_impl_sdl.cpp | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/dependencies/src/imgui/imgui_impl_sdl.cpp b/dependencies/src/imgui/imgui_impl_sdl.cpp index 1273a2f..34e1abb 100644 --- a/dependencies/src/imgui/imgui_impl_sdl.cpp +++ b/dependencies/src/imgui/imgui_impl_sdl.cpp @@ -278,6 +278,18 @@ bool ImGui_ImplSDL2_ProcessEvent(const SDL_Event* event) SDL_GetWindowPosition(SDL_GetWindowFromID(event->motion.windowID), &window_x, &window_y); mouse_pos.x += window_x; mouse_pos.y += window_y; + } else { +#if defined(__APPLE__) + // Fix for high DPI mac + ImGuiPlatformIO& platform_io = ImGui::GetPlatformIO(); + int display_id = SDL_GetWindowDisplayIndex(SDL_GetWindowFromID(event->motion.windowID)); + if (!platform_io.Monitors.empty() && platform_io.Monitors[display_id].DpiScale > 1.0f) + { + // The Framebuffer is scaled by an integer ceiling of the actual ratio, so 2.0 not 1.685 on Mac! + mouse_pos.x *= roundf(platform_io.Monitors[display_id].DpiScale); + mouse_pos.y *= roundf(platform_io.Monitors[display_id].DpiScale); + } +#endif } io.AddMousePosEvent(mouse_pos.x, mouse_pos.y); return true; @@ -534,7 +546,19 @@ static void ImGui_ImplSDL2_UpdateMouseData() SDL_GetWindowPosition(focused_window, &window_x, &window_y); mouse_x -= window_x; mouse_y -= window_y; + #if defined(__APPLE__) + // Fix for high DPI mac + ImGuiPlatformIO& platform_io = ImGui::GetPlatformIO(); + int display_id = SDL_GetWindowDisplayIndex(focused_window); + if (!platform_io.Monitors.empty() && platform_io.Monitors[display_id].DpiScale > 1.0f) + { + // The Framebuffer is scaled by an integer ceiling of the actual ratio, so 2.0 not 1.685 on Mac! + mouse_x *= roundf(platform_io.Monitors[display_id].DpiScale); + mouse_y *= roundf(platform_io.Monitors[display_id].DpiScale); + } +#endif } + io.AddMousePosEvent((float)mouse_x, (float)mouse_y); } } @@ -673,6 +697,16 @@ void ImGui_ImplSDL2_NewFrame() if (w > 0 && h > 0) io.DisplayFramebufferScale = ImVec2((float)display_w / w, (float)display_h / h); +#if defined(__APPLE__) + // On Apple, The window size is reported in Low DPI, even when running in high DPI mode + ImGuiPlatformIO& platform_io = ImGui::GetPlatformIO(); + if (!platform_io.Monitors.empty() && platform_io.Monitors[0].DpiScale > 1.0f && display_h != h) + { + io.DisplayFramebufferScale = ImVec2(1.0f, 1.0f); + io.DisplaySize = ImVec2((float)display_w, (float)display_h); + } +#endif + // Setup time step (we don't use SDL_GetTicks() because it is using millisecond resolution) static Uint64 frequency = SDL_GetPerformanceFrequency(); Uint64 current_time = SDL_GetPerformanceCounter(); |