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Overlay toggle: F1 hides the UI for a clean RPT mirror

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The ImGui overlay was always visible, so the mirror window Steam Remote Play
Together captures always had debug panels drawn over the game. F1 now toggles
the whole overlay off; the input/video/audio pipelines keep running
underneath. When hidden, a small "F1: show overlay" hint fades out over ~4s so
the operator can find the way back, then the window is fully clean.

First item of the "make the tool usable" roadmap task.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
This commit is contained in:
BlackMark
2026-06-19 15:01:23 +02:00
parent 88db914914
commit 2df5a3752e
2 changed files with 51 additions and 5 deletions
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2
host/src/debug_overlay.cpp
View File

@@ -67,7 +67,7 @@ void draw_debug_overlay(const InputSource& input)
ImGui::Text("Input backend: %s", input.name());
ImGui::Text("%.1f FPS (%.2f ms)", ImGui::GetIO().Framerate, 1000.0f / ImGui::GetIO().Framerate);
ImGui::TextDisabled("This window is what Remote Play Together captures.");
ImGui::TextDisabled("Press Esc to quit.");
ImGui::TextDisabled("F1: hide overlay (clean mirror) Esc: quit");
ImGui::Separator();
const auto& pads = input.pads();

54
host/src/main.cpp
View File

@@ -11,6 +11,8 @@
#include <winrt/Windows.Foundation.h>
#include "imgui.h"
#include "audio_panel.hpp"
#include "capture_panel.hpp"
#include "d3d11_window.hpp"
@@ -22,6 +24,28 @@
namespace
{
// When the overlay is hidden, briefly show a fading hint so the operator can find
// the way back. The window is borderless and non-interactive so it never steals a
// click or a frame from the mirror underneath.
void draw_overlay_hidden_hint(double seconds_hidden)
{
const float fade = 1.0f - static_cast<float>(seconds_hidden) / 4.0f;
if (fade <= 0.0f)
{
return; // fully faded -> truly clean window for RPT capture
}
ImGui::SetNextWindowPos(ImVec2(12.0f, 12.0f));
ImGui::SetNextWindowBgAlpha(0.35f * fade);
const ImGuiWindowFlags flags = ImGuiWindowFlags_NoDecoration | ImGuiWindowFlags_NoInputs |
ImGuiWindowFlags_AlwaysAutoResize | ImGuiWindowFlags_NoSavedSettings |
ImGuiWindowFlags_NoFocusOnAppearing | ImGuiWindowFlags_NoNav;
ImGui::Begin("##overlay_hint", nullptr, flags);
ImGui::PushStyleColor(ImGuiCol_Text, ImVec4(1.0f, 1.0f, 1.0f, fade));
ImGui::TextUnformatted("F1: show overlay");
ImGui::PopStyleColor();
ImGui::End();
}
int run()
{
coop::D3D11Window window;
@@ -48,6 +72,11 @@ int run()
return 1;
}
// The overlay can be hidden (F1) so the window is a clean mirror for Remote
// Play Together; the pipelines keep running underneath either way.
bool show_overlay = true;
double overlay_hidden_at = 0.0;
while (window.pump_messages())
{
input->poll();
@@ -57,10 +86,27 @@ int run()
audio.set_target(game);
imgui.begin_frame();
coop::draw_debug_overlay(*input);
injection.draw();
audio.draw_ui(injection.hook_status());
capture.draw_ui();
if (ImGui::IsKeyPressed(ImGuiKey_F1, false))
{
show_overlay = !show_overlay;
if (!show_overlay)
{
overlay_hidden_at = ImGui::GetTime();
}
}
if (show_overlay)
{
coop::draw_debug_overlay(*input);
injection.draw();
audio.draw_ui(injection.hook_status());
capture.draw_ui();
}
else
{
draw_overlay_hidden_hint(ImGui::GetTime() - overlay_hidden_at);
}
RECT client = {};
GetClientRect(window.hwnd(), &client);