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duckstation/src/util/imgui_manager.cpp
Stenzek b78d3b4b79
dep/imgui: Update to v1.91.9b
2025-04-12 21:13:59 +10:00

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// SPDX-FileCopyrightText: 2019-2025 Connor McLaughlin <stenzek@gmail.com>
// SPDX-License-Identifier: CC-BY-NC-ND-4.0
#include "imgui_manager.h"
#include "gpu_device.h"
#include "host.h"
#include "image.h"
#include "imgui_fullscreen.h"
#include "imgui_glyph_ranges.inl"
#include "input_manager.h"
// TODO: Remove me when GPUDevice config is also cleaned up.
#include "core/fullscreen_ui.h"
#include "core/gpu_thread.h"
#include "core/host.h"
#include "core/settings.h"
#include "common/assert.h"
#include "common/bitutils.h"
#include "common/easing.h"
#include "common/error.h"
#include "common/file_system.h"
#include "common/log.h"
#include "common/string_util.h"
#include "common/timer.h"
#include "IconsFontAwesome5.h"
#include "fmt/format.h"
#include "imgui.h"
#include "imgui_freetype.h"
#include "imgui_internal.h"
#include <atomic>
#include <chrono>
#include <cmath>
#include <deque>
#include <mutex>
#include <type_traits>
#include <unordered_map>
LOG_CHANNEL(ImGuiManager);
namespace ImGuiManager {
namespace {
struct SoftwareCursor
{
std::string image_path;
std::unique_ptr<GPUTexture> texture;
u32 color;
float scale;
float extent_x;
float extent_y;
std::pair<float, float> pos;
};
struct OSDMessage
{
std::string key;
std::string text;
Timer::Value start_time;
Timer::Value move_time;
float duration;
float target_y;
float last_y;
bool is_warning;
};
} // namespace
static_assert(std::is_same_v<WCharType, ImWchar>);
static void UpdateScale();
static void SetStyle(ImGuiStyle& style, float scale);
static void SetKeyMap();
static bool LoadFontData(Error* error);
static void ReloadFontDataIfActive();
static bool AddImGuiFonts(bool debug_font, bool fullscreen_fonts);
static ImFont* AddTextFont(float size, const ImWchar* glyph_range);
static ImFont* AddFixedFont(float size);
static bool AddIconFonts(float size, const ImWchar* emoji_range);
static void SetCommonIOOptions(ImGuiIO& io);
static void SetImKeyState(ImGuiIO& io, ImGuiKey imkey, bool pressed);
static const char* GetClipboardTextImpl(void* userdata);
static void SetClipboardTextImpl(void* userdata, const char* text);
static void AddOSDMessage(std::string key, std::string message, float duration, bool is_warning);
static void RemoveKeyedOSDMessage(std::string key, bool is_warning);
static void ClearOSDMessages(bool clear_warnings);
static void AcquirePendingOSDMessages(Timer::Value current_time);
static void DrawOSDMessages(Timer::Value current_time);
static void CreateSoftwareCursorTextures();
static void UpdateSoftwareCursorTexture(u32 index);
static void DestroySoftwareCursorTextures();
static void DrawSoftwareCursor(const SoftwareCursor& sc, const std::pair<float, float>& pos);
static constexpr float OSD_FADE_IN_TIME = 0.1f;
static constexpr float OSD_FADE_OUT_TIME = 0.4f;
static constexpr std::array<ImWchar, 4> ASCII_FONT_RANGE = {{0x20, 0x7F, 0x00, 0x00}};
static constexpr std::array<ImWchar, 6> DEFAULT_FONT_RANGE = {{0x0020, 0x00FF, 0x2022, 0x2022, 0x0000, 0x0000}};
namespace {
struct ALIGN_TO_CACHE_LINE State
{
ImGuiContext* imgui_context = nullptr;
// cached copies of WantCaptureKeyboard/Mouse, used to know when to dispatch events
std::atomic_bool imgui_wants_keyboard{false};
std::atomic_bool imgui_wants_mouse{false};
std::atomic_bool imgui_wants_text{false};
std::deque<OSDMessage> osd_posted_messages;
std::mutex osd_messages_lock;
// Owned by GPU thread
ALIGN_TO_CACHE_LINE Timer::Value last_render_time = 0;
float global_prescale = 0.0f; // before window scale
float global_scale = 0.0f;
float screen_margin = 0.0f;
float window_width = 0.0f;
float window_height = 0.0f;
bool scale_changed = false;
// we maintain a second copy of the stick state here so we can map it to the dpad
std::array<s8, 2> left_stick_axis_state = {};
ImFont* debug_font = nullptr;
ImFont* osd_font = nullptr;
ImFont* fixed_font = nullptr;
ImFont* medium_font = nullptr;
ImFont* large_font = nullptr;
std::deque<OSDMessage> osd_active_messages;
std::array<ImGuiManager::SoftwareCursor, InputManager::MAX_SOFTWARE_CURSORS> software_cursors = {};
// mapping of host key -> imgui key
ALIGN_TO_CACHE_LINE std::unordered_map<u32, ImGuiKey> imgui_key_map;
std::string font_path;
std::vector<WCharType> font_range;
std::vector<WCharType> dynamic_font_range;
std::vector<WCharType> dynamic_emoji_range;
DynamicHeapArray<u8> standard_font_data;
DynamicHeapArray<u8> fixed_font_data;
DynamicHeapArray<u8> icon_fa_font_data;
DynamicHeapArray<u8> icon_pf_font_data;
DynamicHeapArray<u8> emoji_font_data;
};
} // namespace
static State s_state;
} // namespace ImGuiManager
void ImGuiManager::SetFontPathAndRange(std::string path, std::vector<WCharType> range)
{
if (s_state.font_path == path && s_state.font_range == range)
return;
s_state.font_path = std::move(path);
s_state.font_range = std::move(range);
s_state.standard_font_data = {};
ReloadFontDataIfActive();
}
void ImGuiManager::SetDynamicFontRange(std::vector<WCharType> font_range, std::vector<WCharType> emoji_range)
{
if (s_state.dynamic_font_range == font_range && s_state.dynamic_emoji_range == emoji_range)
return;
s_state.dynamic_font_range = std::move(font_range);
s_state.dynamic_emoji_range = std::move(emoji_range);
ReloadFontDataIfActive();
}
std::vector<ImGuiManager::WCharType> ImGuiManager::CompactFontRange(std::span<const WCharType> range)
{
std::vector<ImWchar> ret;
for (auto it = range.begin(); it != range.end();)
{
auto next_it = it;
++next_it;
// Combine sequential ranges.
const ImWchar start_codepoint = *it;
ImWchar end_codepoint = start_codepoint;
while (next_it != range.end())
{
const ImWchar next_codepoint = *next_it;
if (next_codepoint != (end_codepoint + 1))
break;
// Yep, include it.
end_codepoint = next_codepoint;
++next_it;
}
ret.push_back(start_codepoint);
ret.push_back(end_codepoint);
it = next_it;
}
return ret;
}
void ImGuiManager::SetGlobalScale(float global_scale)
{
if (s_state.global_prescale == global_scale)
return;
s_state.global_prescale = global_scale;
s_state.scale_changed = true;
}
bool ImGuiManager::Initialize(float global_scale, float screen_margin, Error* error)
{
if (!LoadFontData(error))
{
Error::AddPrefix(error, "Failed to load font data: ");
return false;
}
s_state.global_prescale = global_scale;
s_state.global_scale = std::max(
(g_gpu_device->HasMainSwapChain() ? g_gpu_device->GetMainSwapChain()->GetScale() : 1.0f) * global_scale, 1.0f);
s_state.screen_margin = std::max(screen_margin, 0.0f);
s_state.scale_changed = false;
s_state.imgui_context = ImGui::CreateContext();
ImGuiIO& io = s_state.imgui_context->IO;
io.IniFilename = nullptr;
io.BackendFlags |= ImGuiBackendFlags_HasGamepad | ImGuiBackendFlags_RendererHasVtxOffset;
#ifndef __ANDROID__
// Android has no keyboard, nor are we using ImGui for any actual user-interactable windows.
io.ConfigFlags |=
ImGuiConfigFlags_NavEnableKeyboard | ImGuiConfigFlags_NavEnableGamepad | ImGuiConfigFlags_NoMouseCursorChange;
#else
io.ConfigFlags |= ImGuiConfigFlags_NavEnableKeyboard | ImGuiConfigFlags_NavEnableGamepad;
#endif
SetCommonIOOptions(io);
s_state.last_render_time = Timer::GetCurrentValue();
s_state.window_width =
g_gpu_device->HasMainSwapChain() ? static_cast<float>(g_gpu_device->GetMainSwapChain()->GetWidth()) : 0.0f;
s_state.window_height =
g_gpu_device->HasMainSwapChain() ? static_cast<float>(g_gpu_device->GetMainSwapChain()->GetHeight()) : 0.0f;
io.DisplayFramebufferScale = ImVec2(1, 1); // We already scale things ourselves, this would double-apply scaling
io.DisplaySize = ImVec2(s_state.window_width, s_state.window_height);
SetKeyMap();
SetStyle(s_state.imgui_context->Style, s_state.global_scale);
FullscreenUI::SetTheme();
if (!AddImGuiFonts(false, false) || !g_gpu_device->UpdateImGuiFontTexture())
{
Error::SetString(error, "Failed to create ImGui font text");
ImGui::DestroyContext();
return false;
}
// don't need the font data anymore, save some memory
io.Fonts->ClearTexData();
NewFrame();
CreateSoftwareCursorTextures();
return true;
}
void ImGuiManager::Shutdown()
{
DestroySoftwareCursorTextures();
if (s_state.imgui_context)
{
ImGui::DestroyContext(s_state.imgui_context);
s_state.imgui_context = nullptr;
}
s_state.debug_font = nullptr;
s_state.fixed_font = nullptr;
s_state.medium_font = nullptr;
s_state.large_font = nullptr;
ImGuiFullscreen::SetFonts(nullptr, nullptr);
}
ImGuiContext* ImGuiManager::GetMainContext()
{
return s_state.imgui_context;
}
void ImGuiManager::SetScreenMargin(float margin)
{
s_state.screen_margin = std::max(margin, 0.0f);
}
float ImGuiManager::GetWindowWidth()
{
return s_state.window_width;
}
float ImGuiManager::GetWindowHeight()
{
return s_state.window_height;
}
void ImGuiManager::WindowResized(float width, float height)
{
s_state.window_width = width;
s_state.window_height = height;
ImGui::GetMainViewport()->Size = ImGui::GetIO().DisplaySize = ImVec2(width, height);
// Scale might have changed as a result of window resize.
RequestScaleUpdate();
}
void ImGuiManager::RequestScaleUpdate()
{
// Might need to update the scale.
s_state.scale_changed = true;
}
void ImGuiManager::UpdateScale()
{
const float window_scale =
(g_gpu_device && g_gpu_device->HasMainSwapChain()) ? g_gpu_device->GetMainSwapChain()->GetScale() : 1.0f;
const float scale = std::max(window_scale * s_state.global_prescale, 1.0f);
if ((!HasFullscreenFonts() || !ImGuiFullscreen::UpdateLayoutScale()) && scale == s_state.global_scale)
return;
s_state.global_scale = scale;
SetStyle(s_state.imgui_context->Style, s_state.global_scale);
if (!AddImGuiFonts(HasDebugFont(), HasFullscreenFonts()))
Panic("Failed to create ImGui font text");
if (!g_gpu_device->UpdateImGuiFontTexture())
Panic("Failed to recreate font texture after scale+resize");
}
void ImGuiManager::NewFrame()
{
const Timer::Value current_time = Timer::GetCurrentValue();
ImGuiIO& io = ImGui::GetIO();
io.DeltaTime = static_cast<float>(Timer::ConvertValueToSeconds(current_time - s_state.last_render_time));
s_state.last_render_time = current_time;
if (s_state.scale_changed)
{
s_state.scale_changed = false;
UpdateScale();
}
ImGui::NewFrame();
// Disable nav input on the implicit (Debug##Default) window. Otherwise we end up requesting keyboard
// focus when there's nothing there. We use GetCurrentWindowRead() because otherwise it'll make it visible.
ImGui::GetCurrentWindowRead()->Flags |= ImGuiWindowFlags_NoNavInputs;
s_state.imgui_wants_keyboard.store(io.WantCaptureKeyboard, std::memory_order_relaxed);
s_state.imgui_wants_mouse.store(io.WantCaptureMouse, std::memory_order_release);
const bool wants_text_input = io.WantTextInput;
if (s_state.imgui_wants_text.load(std::memory_order_relaxed) != wants_text_input)
{
s_state.imgui_wants_text.store(wants_text_input, std::memory_order_release);
if (wants_text_input)
Host::BeginTextInput();
else
Host::EndTextInput();
}
}
void ImGuiManager::SetStyle(ImGuiStyle& style, float scale)
{
style = ImGuiStyle();
style.WindowMinSize = ImVec2(1.0f, 1.0f);
ImVec4* colors = style.Colors;
colors[ImGuiCol_Text] = ImVec4(0.95f, 0.96f, 0.98f, 1.00f);
colors[ImGuiCol_TextDisabled] = ImVec4(0.36f, 0.42f, 0.47f, 1.00f);
colors[ImGuiCol_WindowBg] = ImVec4(0.11f, 0.15f, 0.17f, 1.00f);
colors[ImGuiCol_ChildBg] = ImVec4(0.15f, 0.18f, 0.22f, 1.00f);
colors[ImGuiCol_PopupBg] = ImVec4(0.08f, 0.08f, 0.08f, 0.94f);
colors[ImGuiCol_Border] = ImVec4(0.08f, 0.10f, 0.12f, 1.00f);
colors[ImGuiCol_BorderShadow] = ImVec4(0.00f, 0.00f, 0.00f, 0.00f);
colors[ImGuiCol_FrameBg] = ImVec4(0.20f, 0.25f, 0.29f, 1.00f);
colors[ImGuiCol_FrameBgHovered] = ImVec4(0.12f, 0.20f, 0.28f, 1.00f);
colors[ImGuiCol_FrameBgActive] = ImVec4(0.09f, 0.12f, 0.14f, 1.00f);
colors[ImGuiCol_TitleBg] = ImVec4(0.09f, 0.12f, 0.14f, 0.65f);
colors[ImGuiCol_TitleBgActive] = ImVec4(0.08f, 0.10f, 0.12f, 1.00f);
colors[ImGuiCol_TitleBgCollapsed] = ImVec4(0.00f, 0.00f, 0.00f, 0.51f);
colors[ImGuiCol_MenuBarBg] = ImVec4(0.15f, 0.18f, 0.22f, 1.00f);
colors[ImGuiCol_ScrollbarBg] = ImVec4(0.02f, 0.02f, 0.02f, 0.39f);
colors[ImGuiCol_ScrollbarGrab] = ImVec4(0.20f, 0.25f, 0.29f, 1.00f);
colors[ImGuiCol_ScrollbarGrabHovered] = ImVec4(0.18f, 0.22f, 0.25f, 1.00f);
colors[ImGuiCol_ScrollbarGrabActive] = ImVec4(0.09f, 0.21f, 0.31f, 1.00f);
colors[ImGuiCol_CheckMark] = ImVec4(0.28f, 0.56f, 1.00f, 1.00f);
colors[ImGuiCol_SliderGrab] = ImVec4(0.28f, 0.56f, 1.00f, 1.00f);
colors[ImGuiCol_SliderGrabActive] = ImVec4(0.37f, 0.61f, 1.00f, 1.00f);
colors[ImGuiCol_Button] = ImVec4(0.20f, 0.25f, 0.29f, 1.00f);
colors[ImGuiCol_ButtonHovered] = ImVec4(0.33f, 0.38f, 0.46f, 1.00f);
colors[ImGuiCol_ButtonActive] = ImVec4(0.27f, 0.32f, 0.38f, 1.00f);
colors[ImGuiCol_Header] = ImVec4(0.20f, 0.25f, 0.29f, 0.55f);
colors[ImGuiCol_HeaderHovered] = ImVec4(0.33f, 0.38f, 0.46f, 1.00f);
colors[ImGuiCol_HeaderActive] = ImVec4(0.27f, 0.32f, 0.38f, 1.00f);
colors[ImGuiCol_Separator] = ImVec4(0.20f, 0.25f, 0.29f, 1.00f);
colors[ImGuiCol_SeparatorHovered] = ImVec4(0.33f, 0.38f, 0.46f, 1.00f);
colors[ImGuiCol_SeparatorActive] = ImVec4(0.27f, 0.32f, 0.38f, 1.00f);
colors[ImGuiCol_ResizeGrip] = ImVec4(0.26f, 0.59f, 0.98f, 0.25f);
colors[ImGuiCol_ResizeGripHovered] = ImVec4(0.33f, 0.38f, 0.46f, 1.00f);
colors[ImGuiCol_ResizeGripActive] = ImVec4(0.27f, 0.32f, 0.38f, 1.00f);
colors[ImGuiCol_Tab] = ImVec4(0.11f, 0.15f, 0.17f, 1.00f);
colors[ImGuiCol_TabHovered] = ImVec4(0.33f, 0.38f, 0.46f, 1.00f);
colors[ImGuiCol_TabActive] = ImVec4(0.27f, 0.32f, 0.38f, 1.00f);
colors[ImGuiCol_TabUnfocused] = ImVec4(0.11f, 0.15f, 0.17f, 1.00f);
colors[ImGuiCol_TabUnfocusedActive] = ImVec4(0.11f, 0.15f, 0.17f, 1.00f);
colors[ImGuiCol_PlotLines] = ImVec4(0.61f, 0.61f, 0.61f, 1.00f);
colors[ImGuiCol_PlotLinesHovered] = ImVec4(1.00f, 0.43f, 0.35f, 1.00f);
colors[ImGuiCol_PlotHistogram] = ImVec4(0.90f, 0.70f, 0.00f, 1.00f);
colors[ImGuiCol_PlotHistogramHovered] = ImVec4(1.00f, 0.60f, 0.00f, 1.00f);
colors[ImGuiCol_TextSelectedBg] = ImVec4(0.26f, 0.59f, 0.98f, 0.35f);
colors[ImGuiCol_DragDropTarget] = ImVec4(1.00f, 1.00f, 0.00f, 0.90f);
colors[ImGuiCol_NavHighlight] = ImVec4(0.26f, 0.59f, 0.98f, 1.00f);
colors[ImGuiCol_NavWindowingHighlight] = ImVec4(1.00f, 1.00f, 1.00f, 0.70f);
colors[ImGuiCol_NavWindowingDimBg] = ImVec4(0.80f, 0.80f, 0.80f, 0.20f);
colors[ImGuiCol_ModalWindowDimBg] = ImVec4(0.80f, 0.80f, 0.80f, 0.35f);
style.ScaleAllSizes(scale);
}
void ImGuiManager::SetKeyMap()
{
struct KeyMapping
{
ImGuiKey index;
const char* name;
const char* alt_name;
};
static constexpr KeyMapping mapping[] = {{ImGuiKey_LeftArrow, "Left", nullptr},
{ImGuiKey_RightArrow, "Right", nullptr},
{ImGuiKey_UpArrow, "Up", nullptr},
{ImGuiKey_DownArrow, "Down", nullptr},
{ImGuiKey_PageUp, "PageUp", nullptr},
{ImGuiKey_PageDown, "PageDown", nullptr},
{ImGuiKey_Home, "Home", nullptr},
{ImGuiKey_End, "End", nullptr},
{ImGuiKey_Insert, "Insert", nullptr},
{ImGuiKey_Delete, "Delete", nullptr},
{ImGuiKey_Backspace, "Backspace", nullptr},
{ImGuiKey_Space, "Space", nullptr},
{ImGuiKey_Enter, "Return", nullptr},
{ImGuiKey_Escape, "Escape", nullptr},
{ImGuiKey_LeftCtrl, "LeftControl", "Control"},
{ImGuiKey_LeftShift, "LeftShift", "Shift"},
{ImGuiKey_LeftAlt, "LeftAlt", "Alt"},
{ImGuiKey_LeftSuper, "LeftSuper", "Super"},
{ImGuiKey_RightCtrl, "RightControl", nullptr},
{ImGuiKey_RightShift, "RightShift", nullptr},
{ImGuiKey_RightAlt, "RightAlt", nullptr},
{ImGuiKey_RightSuper, "RightSuper", nullptr},
{ImGuiKey_Menu, "Menu", nullptr},
{ImGuiKey_0, "0", nullptr},
{ImGuiKey_1, "1", nullptr},
{ImGuiKey_2, "2", nullptr},
{ImGuiKey_3, "3", nullptr},
{ImGuiKey_4, "4", nullptr},
{ImGuiKey_5, "5", nullptr},
{ImGuiKey_6, "6", nullptr},
{ImGuiKey_7, "7", nullptr},
{ImGuiKey_8, "8", nullptr},
{ImGuiKey_9, "9", nullptr},
{ImGuiKey_A, "A", nullptr},
{ImGuiKey_B, "B", nullptr},
{ImGuiKey_C, "C", nullptr},
{ImGuiKey_D, "D", nullptr},
{ImGuiKey_E, "E", nullptr},
{ImGuiKey_F, "F", nullptr},
{ImGuiKey_G, "G", nullptr},
{ImGuiKey_H, "H", nullptr},
{ImGuiKey_I, "I", nullptr},
{ImGuiKey_J, "J", nullptr},
{ImGuiKey_K, "K", nullptr},
{ImGuiKey_L, "L", nullptr},
{ImGuiKey_M, "M", nullptr},
{ImGuiKey_N, "N", nullptr},
{ImGuiKey_O, "O", nullptr},
{ImGuiKey_P, "P", nullptr},
{ImGuiKey_Q, "Q", nullptr},
{ImGuiKey_R, "R", nullptr},
{ImGuiKey_S, "S", nullptr},
{ImGuiKey_T, "T", nullptr},
{ImGuiKey_U, "U", nullptr},
{ImGuiKey_V, "V", nullptr},
{ImGuiKey_W, "W", nullptr},
{ImGuiKey_X, "X", nullptr},
{ImGuiKey_Y, "Y", nullptr},
{ImGuiKey_Z, "Z", nullptr},
{ImGuiKey_F1, "F1", nullptr},
{ImGuiKey_F2, "F2", nullptr},
{ImGuiKey_F3, "F3", nullptr},
{ImGuiKey_F4, "F4", nullptr},
{ImGuiKey_F5, "F5", nullptr},
{ImGuiKey_F6, "F6", nullptr},
{ImGuiKey_F7, "F7", nullptr},
{ImGuiKey_F8, "F8", nullptr},
{ImGuiKey_F9, "F9", nullptr},
{ImGuiKey_F10, "F10", nullptr},
{ImGuiKey_F11, "F11", nullptr},
{ImGuiKey_F12, "F12", nullptr},
{ImGuiKey_Apostrophe, "Apostrophe", nullptr},
{ImGuiKey_Comma, "Comma", nullptr},
{ImGuiKey_Minus, "Minus", nullptr},
{ImGuiKey_Period, "Period", nullptr},
{ImGuiKey_Slash, "Slash", nullptr},
{ImGuiKey_Semicolon, "Semicolon", nullptr},
{ImGuiKey_Equal, "Equal", nullptr},
{ImGuiKey_LeftBracket, "BracketLeft", nullptr},
{ImGuiKey_Backslash, "Backslash", nullptr},
{ImGuiKey_RightBracket, "BracketRight", nullptr},
{ImGuiKey_GraveAccent, "QuoteLeft", nullptr},
{ImGuiKey_CapsLock, "CapsLock", nullptr},
{ImGuiKey_ScrollLock, "ScrollLock", nullptr},
{ImGuiKey_NumLock, "NumLock", nullptr},
{ImGuiKey_PrintScreen, "PrintScreen", nullptr},
{ImGuiKey_Pause, "Pause", nullptr},
{ImGuiKey_Keypad0, "Keypad0", nullptr},
{ImGuiKey_Keypad1, "Keypad1", nullptr},
{ImGuiKey_Keypad2, "Keypad2", nullptr},
{ImGuiKey_Keypad3, "Keypad3", nullptr},
{ImGuiKey_Keypad4, "Keypad4", nullptr},
{ImGuiKey_Keypad5, "Keypad5", nullptr},
{ImGuiKey_Keypad6, "Keypad6", nullptr},
{ImGuiKey_Keypad7, "Keypad7", nullptr},
{ImGuiKey_Keypad8, "Keypad8", nullptr},
{ImGuiKey_Keypad9, "Keypad9", nullptr},
{ImGuiKey_KeypadDecimal, "KeypadPeriod", nullptr},
{ImGuiKey_KeypadDivide, "KeypadDivide", nullptr},
{ImGuiKey_KeypadMultiply, "KeypadMultiply", nullptr},
{ImGuiKey_KeypadSubtract, "KeypadMinus", nullptr},
{ImGuiKey_KeypadAdd, "KeypadPlus", nullptr},
{ImGuiKey_KeypadEnter, "KeypadReturn", nullptr},
{ImGuiKey_KeypadEqual, "KeypadEqual", nullptr}};
s_state.imgui_key_map.clear();
for (const KeyMapping& km : mapping)
{
std::optional<u32> map(InputManager::ConvertHostKeyboardStringToCode(km.name));
if (!map.has_value() && km.alt_name)
map = InputManager::ConvertHostKeyboardStringToCode(km.alt_name);
if (map.has_value())
s_state.imgui_key_map[map.value()] = km.index;
}
}
bool ImGuiManager::LoadFontData(Error* error)
{
if (s_state.standard_font_data.empty())
{
std::optional<DynamicHeapArray<u8>> font_data = s_state.font_path.empty() ?
Host::ReadResourceFile("fonts/Roboto-Regular.ttf", true, error) :
FileSystem::ReadBinaryFile(s_state.font_path.c_str(), error);
if (!font_data.has_value())
return false;
s_state.standard_font_data = std::move(font_data.value());
}
if (s_state.fixed_font_data.empty())
{
std::optional<DynamicHeapArray<u8>> font_data = Host::ReadResourceFile("fonts/RobotoMono-Medium.ttf", true, error);
if (!font_data.has_value())
return false;
s_state.fixed_font_data = std::move(font_data.value());
}
if (s_state.icon_fa_font_data.empty())
{
std::optional<DynamicHeapArray<u8>> font_data = Host::ReadResourceFile("fonts/fa-solid-900.ttf", true, error);
if (!font_data.has_value())
return false;
s_state.icon_fa_font_data = std::move(font_data.value());
}
if (s_state.icon_pf_font_data.empty())
{
std::optional<DynamicHeapArray<u8>> font_data = Host::ReadResourceFile("fonts/promptfont.otf", true, error);
if (!font_data.has_value())
return false;
s_state.icon_pf_font_data = std::move(font_data.value());
}
if (s_state.emoji_font_data.empty())
{
std::optional<DynamicHeapArray<u8>> font_data =
Host::ReadCompressedResourceFile("fonts/TwitterColorEmoji-SVGinOT.ttf.zst", true, error);
if (!font_data.has_value())
return false;
s_state.emoji_font_data = std::move(font_data.value());
}
return true;
}
ImFont* ImGuiManager::AddTextFont(float size, const ImWchar* glyph_range)
{
ImFontConfig cfg;
cfg.FontDataOwnedByAtlas = false;
return ImGui::GetIO().Fonts->AddFontFromMemoryTTF(
s_state.standard_font_data.data(), static_cast<int>(s_state.standard_font_data.size()), size, &cfg, glyph_range);
}
ImFont* ImGuiManager::AddFixedFont(float size)
{
ImFontConfig cfg;
cfg.FontDataOwnedByAtlas = false;
return ImGui::GetIO().Fonts->AddFontFromMemoryTTF(s_state.fixed_font_data.data(),
static_cast<int>(s_state.fixed_font_data.size()), size, &cfg,
ASCII_FONT_RANGE.data());
}
bool ImGuiManager::AddIconFonts(float size, const ImWchar* emoji_range)
{
{
ImFontConfig cfg;
cfg.MergeMode = true;
cfg.PixelSnapH = true;
cfg.GlyphMinAdvanceX = size;
cfg.GlyphMaxAdvanceX = size;
cfg.FontDataOwnedByAtlas = false;
if (!ImGui::GetIO().Fonts->AddFontFromMemoryTTF(s_state.icon_fa_font_data.data(),
static_cast<int>(s_state.icon_fa_font_data.size()), size * 0.75f,
&cfg, FA_ICON_RANGE)) [[unlikely]]
{
return false;
}
}
{
ImFontConfig cfg;
cfg.MergeMode = true;
cfg.PixelSnapH = true;
cfg.GlyphMinAdvanceX = size;
cfg.GlyphMaxAdvanceX = size;
cfg.FontDataOwnedByAtlas = false;
if (!ImGui::GetIO().Fonts->AddFontFromMemoryTTF(s_state.icon_pf_font_data.data(),
static_cast<int>(s_state.icon_pf_font_data.size()), size * 1.2f,
&cfg, PF_ICON_RANGE)) [[unlikely]]
{
return false;
}
}
{
ImFontConfig cfg;
cfg.MergeMode = true;
cfg.PixelSnapH = true;
cfg.GlyphMinAdvanceX = size;
cfg.GlyphMaxAdvanceX = size;
cfg.FontDataOwnedByAtlas = false;
cfg.FontBuilderFlags = ImGuiFreeTypeBuilderFlags_LoadColor | ImGuiFreeTypeBuilderFlags_Bitmap;
if (!ImGui::GetIO().Fonts->AddFontFromMemoryTTF(s_state.emoji_font_data.data(),
static_cast<int>(s_state.emoji_font_data.size()), size * 0.9f, &cfg,
emoji_range)) [[unlikely]]
{
return false;
}
}
return true;
}
bool ImGuiManager::AddImGuiFonts(bool debug_font, bool fullscreen_fonts)
{
const float window_scale =
(g_gpu_device && g_gpu_device->HasMainSwapChain()) ? g_gpu_device->GetMainSwapChain()->GetScale() : 1.0f;
const float debug_font_size = std::ceil(15.0f * window_scale);
const float standard_font_size = std::ceil(15.0f * s_state.global_scale);
const float osd_font_size = std::ceil(17.0f * s_state.global_scale);
INFO_LOG("Allocating fonts winscale={} globalscale={} debug={} fullscreen={}", window_scale, s_state.global_scale,
debug_font, fullscreen_fonts);
// need to generate arrays if dynamic ranges are present
const ImWchar* text_range = s_state.font_range.empty() ? DEFAULT_FONT_RANGE.data() : s_state.font_range.data();
const ImWchar* emoji_range = EMOJI_ICON_RANGE;
std::vector<ImWchar> full_text_range, full_emoji_range;
if (!s_state.dynamic_font_range.empty())
{
// skip the zeros, we'll add them afterwards
const size_t base_size = s_state.font_range.empty() ? DEFAULT_FONT_RANGE.size() : s_state.font_range.size();
Assert(base_size > 2);
full_text_range.reserve(base_size + s_state.dynamic_font_range.size());
full_text_range.insert(full_text_range.end(), &text_range[0], &text_range[base_size - 2]);
full_text_range.insert(full_text_range.end(), s_state.dynamic_font_range.begin(), s_state.dynamic_font_range.end());
full_text_range.insert(full_text_range.end(), 2, 0);
text_range = full_text_range.data();
}
if (!s_state.dynamic_emoji_range.empty())
{
// skip the zeros, we'll add them afterwards
size_t base_size = 0;
for (const ImWchar* c = EMOJI_ICON_RANGE; *c != 0; c++)
base_size++;
Assert(base_size > 2);
full_emoji_range.reserve(base_size + s_state.dynamic_emoji_range.size());
full_emoji_range.insert(full_emoji_range.end(), &EMOJI_ICON_RANGE[0], &EMOJI_ICON_RANGE[base_size]);
full_emoji_range.insert(full_emoji_range.end(), s_state.dynamic_emoji_range.begin(),
s_state.dynamic_emoji_range.end());
full_emoji_range.insert(full_emoji_range.end(), 2, 0);
emoji_range = full_emoji_range.data();
}
ImGuiIO& io = ImGui::GetIO();
io.Fonts->Clear();
if (debug_font)
{
s_state.debug_font = AddTextFont(debug_font_size, ASCII_FONT_RANGE.data());
if (!s_state.debug_font)
return false;
}
s_state.fixed_font = AddFixedFont(standard_font_size);
if (!s_state.fixed_font)
return false;
s_state.osd_font = AddTextFont(osd_font_size, text_range);
if (!s_state.osd_font || !AddIconFonts(osd_font_size, emoji_range))
return false;
if (!debug_font)
s_state.debug_font = s_state.osd_font;
if (fullscreen_fonts)
{
const float medium_font_size = ImGuiFullscreen::LayoutScale(ImGuiFullscreen::LAYOUT_MEDIUM_FONT_SIZE);
s_state.medium_font = AddTextFont(medium_font_size, text_range);
if (!s_state.medium_font || !AddIconFonts(medium_font_size, emoji_range))
return false;
const float large_font_size = ImGuiFullscreen::LayoutScale(ImGuiFullscreen::LAYOUT_LARGE_FONT_SIZE);
s_state.large_font = AddTextFont(large_font_size, text_range);
if (!s_state.large_font || !AddIconFonts(large_font_size, emoji_range))
return false;
}
else
{
s_state.medium_font = nullptr;
s_state.large_font = nullptr;
}
ImGuiFullscreen::SetFonts(s_state.medium_font, s_state.large_font);
return io.Fonts->Build();
}
void ImGuiManager::ReloadFontDataIfActive()
{
if (!s_state.imgui_context)
return;
ImGui::EndFrame();
if (!LoadFontData(nullptr))
Panic("Failed to load font data");
if (!AddImGuiFonts(HasDebugFont(), HasFullscreenFonts()))
Panic("Failed to create ImGui font text");
if (!g_gpu_device->UpdateImGuiFontTexture())
Panic("Failed to recreate font texture after scale+resize");
NewFrame();
}
bool ImGuiManager::AddFullscreenFontsIfMissing()
{
if (HasFullscreenFonts())
return true;
// can't do this in the middle of a frame
ImGui::EndFrame();
const bool debug_font = HasDebugFont();
if (!AddImGuiFonts(debug_font, true))
{
ERROR_LOG("Failed to lazily allocate fullscreen fonts.");
AddImGuiFonts(debug_font, false);
}
g_gpu_device->UpdateImGuiFontTexture();
NewFrame();
return HasFullscreenFonts();
}
bool ImGuiManager::HasDebugFont()
{
return (s_state.debug_font != s_state.osd_font);
}
bool ImGuiManager::AddDebugFontIfMissing()
{
if (HasDebugFont())
return true;
// can't do this in the middle of a frame
ImGui::EndFrame();
const bool fullscreen_font = HasFullscreenFonts();
if (!AddImGuiFonts(true, fullscreen_font))
{
ERROR_LOG("Failed to lazily allocate fullscreen fonts.");
AddImGuiFonts(true, fullscreen_font);
}
g_gpu_device->UpdateImGuiFontTexture();
NewFrame();
return HasDebugFont();
}
bool ImGuiManager::HasFullscreenFonts()
{
return (s_state.medium_font && s_state.large_font);
}
void ImGuiManager::AddOSDMessage(std::string key, std::string message, float duration, bool is_warning)
{
if (!key.empty())
INFO_LOG("OSD [{}]: {}", key, message);
else
INFO_LOG("OSD: {}", message);
const Timer::Value current_time = Timer::GetCurrentValue();
OSDMessage msg;
msg.key = std::move(key);
msg.text = std::move(message);
msg.duration = duration;
msg.start_time = current_time;
msg.move_time = current_time;
msg.target_y = -1.0f;
msg.last_y = -1.0f;
msg.is_warning = is_warning;
std::unique_lock<std::mutex> lock(s_state.osd_messages_lock);
s_state.osd_posted_messages.push_back(std::move(msg));
}
void ImGuiManager::RemoveKeyedOSDMessage(std::string key, bool is_warning)
{
ImGuiManager::OSDMessage msg = {};
msg.key = std::move(key);
msg.duration = 0.0f;
msg.is_warning = is_warning;
std::unique_lock<std::mutex> lock(s_state.osd_messages_lock);
s_state.osd_posted_messages.push_back(std::move(msg));
}
void ImGuiManager::ClearOSDMessages(bool clear_warnings)
{
{
std::unique_lock<std::mutex> lock(s_state.osd_messages_lock);
if (clear_warnings)
{
s_state.osd_posted_messages.clear();
}
else
{
for (auto iter = s_state.osd_posted_messages.begin(); iter != s_state.osd_posted_messages.end();)
{
if (!iter->is_warning)
iter = s_state.osd_posted_messages.erase(iter);
else
++iter;
}
}
}
if (clear_warnings)
{
s_state.osd_active_messages.clear();
}
else
{
for (auto iter = s_state.osd_active_messages.begin(); iter != s_state.osd_active_messages.end();)
{
if (!iter->is_warning)
s_state.osd_active_messages.erase(iter);
else
++iter;
}
}
}
void ImGuiManager::AcquirePendingOSDMessages(Timer::Value current_time)
{
std::atomic_thread_fence(std::memory_order_consume);
if (s_state.osd_posted_messages.empty())
return;
std::unique_lock lock(s_state.osd_messages_lock);
for (;;)
{
if (s_state.osd_posted_messages.empty())
break;
OSDMessage& new_msg = s_state.osd_posted_messages.front();
std::deque<OSDMessage>::iterator iter;
if (!new_msg.key.empty() &&
(iter = std::find_if(s_state.osd_active_messages.begin(), s_state.osd_active_messages.end(),
[&new_msg](const OSDMessage& other) { return new_msg.key == other.key; })) !=
s_state.osd_active_messages.end())
{
iter->text = std::move(new_msg.text);
iter->duration = new_msg.duration;
// Don't fade it in again
const float time_passed = static_cast<float>(Timer::ConvertValueToSeconds(current_time - iter->start_time));
iter->start_time = current_time - Timer::ConvertSecondsToValue(std::min(time_passed, OSD_FADE_IN_TIME));
}
else
{
s_state.osd_active_messages.push_back(std::move(new_msg));
}
s_state.osd_posted_messages.pop_front();
static constexpr size_t MAX_ACTIVE_OSD_MESSAGES = 512;
if (s_state.osd_active_messages.size() > MAX_ACTIVE_OSD_MESSAGES)
s_state.osd_active_messages.pop_front();
}
}
void ImGuiManager::DrawOSDMessages(Timer::Value current_time)
{
using ImGuiFullscreen::ModAlpha;
using ImGuiFullscreen::RenderShadowedTextClipped;
using ImGuiFullscreen::UIStyle;
static constexpr float MOVE_DURATION = 0.5f;
ImFont* const font = s_state.osd_font;
const float scale = s_state.global_scale;
const float spacing = std::ceil(6.0f * scale);
const float margin = std::ceil(s_state.screen_margin * scale);
const float padding = std::ceil(10.0f * scale);
const float rounding = std::ceil(10.0f * scale);
const float max_width = s_state.window_width - (margin + padding) * 2.0f;
const bool show_messages = g_gpu_settings.display_show_messages;
float position_x = margin;
float position_y = margin;
auto iter = s_state.osd_active_messages.begin();
while (iter != s_state.osd_active_messages.end())
{
OSDMessage& msg = *iter;
const float time_passed = static_cast<float>(Timer::ConvertValueToSeconds(current_time - msg.start_time));
if (time_passed >= msg.duration)
{
iter = s_state.osd_active_messages.erase(iter);
continue;
}
++iter;
float opacity;
if (time_passed < OSD_FADE_IN_TIME)
opacity = time_passed / OSD_FADE_IN_TIME;
else if (time_passed > (msg.duration - OSD_FADE_OUT_TIME))
opacity = std::min((msg.duration - time_passed) / OSD_FADE_OUT_TIME, 1.0f);
else
opacity = 1.0f;
const float expected_y = position_y;
float actual_y = msg.last_y;
if (msg.target_y != expected_y)
{
if (msg.last_y < 0.0f)
{
// First showing.
msg.last_y = expected_y;
}
else
{
// We got repositioned, probably due to another message above getting removed.
const float time_since_move = static_cast<float>(Timer::ConvertValueToSeconds(current_time - msg.move_time));
const float frac = Easing::OutExpo(time_since_move / MOVE_DURATION);
msg.last_y = std::floor(msg.last_y - ((msg.last_y - msg.target_y) * frac));
}
msg.move_time = current_time;
msg.target_y = expected_y;
actual_y = msg.last_y;
}
else if (actual_y != expected_y)
{
const float time_since_move = static_cast<float>(Timer::ConvertValueToSeconds(current_time - msg.move_time));
if (time_since_move >= MOVE_DURATION)
{
msg.move_time = current_time;
msg.last_y = msg.target_y;
actual_y = msg.last_y;
}
else
{
const float frac = Easing::OutExpo(time_since_move / MOVE_DURATION);
actual_y = std::floor(msg.last_y - ((msg.last_y - msg.target_y) * frac));
}
}
if (actual_y >= ImGui::GetIO().DisplaySize.y || (!show_messages && !msg.is_warning))
break;
const ImVec2 pos(position_x, actual_y);
const ImVec2 text_size(font->CalcTextSizeA(font->FontSize, max_width, max_width, IMSTR_START_END(msg.text)));
const ImVec2 size(text_size.x + padding * 2.0f, text_size.y + padding * 2.0f);
const ImRect text_rect(pos.x + padding, pos.y + padding, pos.x + size.x - padding, pos.y + size.y - padding);
ImDrawList* dl = ImGui::GetForegroundDrawList();
dl->AddRectFilled(pos, ImVec2(pos.x + size.x, pos.y + size.y),
ImGui::GetColorU32(ModAlpha(UIStyle.ToastBackgroundColor, opacity * 0.95f)), rounding);
RenderShadowedTextClipped(dl, font, text_rect.Min, text_rect.Max,
ImGui::GetColorU32(ModAlpha(UIStyle.ToastTextColor, opacity)), msg.text, &text_size,
ImVec2(0.0f, 0.0f), max_width, &text_rect, scale);
position_y += size.y + spacing;
}
}
void ImGuiManager::RenderOSDMessages()
{
const Timer::Value current_time = Timer::GetCurrentValue();
AcquirePendingOSDMessages(current_time);
DrawOSDMessages(current_time);
}
void Host::AddOSDMessage(std::string message, float duration /*= 2.0f*/)
{
ImGuiManager::AddOSDMessage(std::string(), std::move(message), duration, false);
}
void Host::AddKeyedOSDMessage(std::string key, std::string message, float duration /* = 2.0f */)
{
ImGuiManager::AddOSDMessage(std::move(key), std::move(message), duration, false);
}
void Host::AddIconOSDMessage(std::string key, const char* icon, std::string message, float duration /* = 2.0f */)
{
ImGuiManager::AddOSDMessage(std::move(key), fmt::format("{} {}", icon, message), duration, false);
}
void Host::AddKeyedOSDWarning(std::string key, std::string message, float duration /* = 2.0f */)
{
ImGuiManager::AddOSDMessage(std::move(key), std::move(message), duration, true);
}
void Host::AddIconOSDWarning(std::string key, const char* icon, std::string message, float duration /* = 2.0f */)
{
ImGuiManager::AddOSDMessage(std::move(key), fmt::format("{} {}", icon, message), duration, true);
}
void Host::RemoveKeyedOSDMessage(std::string key)
{
ImGuiManager::RemoveKeyedOSDMessage(std::move(key), false);
}
void Host::RemoveKeyedOSDWarning(std::string key)
{
ImGuiManager::RemoveKeyedOSDMessage(std::move(key), true);
}
void Host::ClearOSDMessages(bool clear_warnings)
{
ImGuiManager::ClearOSDMessages(clear_warnings);
}
float ImGuiManager::GetGlobalScale()
{
return s_state.global_scale;
}
float ImGuiManager::GetScreenMargin()
{
return s_state.screen_margin;
}
ImFont* ImGuiManager::GetDebugFont()
{
return s_state.debug_font;
}
ImFont* ImGuiManager::GetOSDFont()
{
return s_state.osd_font;
}
ImFont* ImGuiManager::GetFixedFont()
{
return s_state.fixed_font;
}
ImFont* ImGuiManager::GetMediumFont()
{
AddFullscreenFontsIfMissing();
return s_state.medium_font;
}
ImFont* ImGuiManager::GetLargeFont()
{
AddFullscreenFontsIfMissing();
return s_state.large_font;
}
bool ImGuiManager::WantsTextInput()
{
return s_state.imgui_wants_keyboard.load(std::memory_order_acquire);
}
bool ImGuiManager::WantsMouseInput()
{
return s_state.imgui_wants_mouse.load(std::memory_order_acquire);
}
void ImGuiManager::AddTextInput(std::string str)
{
if (!s_state.imgui_context || !s_state.imgui_wants_keyboard.load(std::memory_order_acquire))
return;
GPUThread::RunOnThread([str = std::move(str)]() {
if (!s_state.imgui_context)
return;
s_state.imgui_context->IO.AddInputCharactersUTF8(str.c_str());
});
}
void ImGuiManager::UpdateMousePosition(float x, float y)
{
if (!s_state.imgui_context)
return;
s_state.imgui_context->IO.MousePos = ImVec2(x, y);
std::atomic_thread_fence(std::memory_order_release);
}
void ImGuiManager::SetCommonIOOptions(ImGuiIO& io)
{
io.KeyRepeatDelay = 0.5f;
io.GetClipboardTextFn = GetClipboardTextImpl;
io.SetClipboardTextFn = SetClipboardTextImpl;
}
bool ImGuiManager::ProcessPointerButtonEvent(InputBindingKey key, float value)
{
if (!s_state.imgui_context || key.data >= std::size(ImGui::GetIO().MouseDown))
return false;
// still update state anyway
const int button = static_cast<int>(key.data);
const bool pressed = (value != 0.0f);
GPUThread::RunOnThread([button, pressed]() {
if (!s_state.imgui_context)
return;
s_state.imgui_context->IO.AddMouseButtonEvent(button, pressed);
});
return s_state.imgui_wants_mouse.load(std::memory_order_acquire);
}
bool ImGuiManager::ProcessPointerAxisEvent(InputBindingKey key, float value)
{
if (!s_state.imgui_context || key.data < static_cast<u32>(InputPointerAxis::WheelX))
return false;
// still update state anyway
const bool horizontal = (key.data == static_cast<u32>(InputPointerAxis::WheelX));
GPUThread::RunOnThread([value, horizontal]() {
if (!s_state.imgui_context)
return;
s_state.imgui_context->IO.AddMouseWheelEvent(horizontal ? value : 0.0f, horizontal ? 0.0f : value);
});
return s_state.imgui_wants_mouse.load(std::memory_order_acquire);
}
bool ImGuiManager::ProcessHostKeyEvent(InputBindingKey key, float value)
{
if (!s_state.imgui_context)
return false;
const auto iter = s_state.imgui_key_map.find(key.data);
if (iter == s_state.imgui_key_map.end())
return false;
GPUThread::RunOnThread([imkey = iter->second, pressed = (value != 0.0f)]() {
if (!s_state.imgui_context)
return;
SetImKeyState(s_state.imgui_context->IO, imkey, pressed);
});
return s_state.imgui_wants_keyboard.load(std::memory_order_acquire);
}
void ImGuiManager::SetImKeyState(ImGuiIO& io, ImGuiKey imkey, bool pressed)
{
io.AddKeyEvent(imkey, pressed);
// modifier keys need to be handled separately
if ((imkey >= ImGuiKey_LeftCtrl && imkey <= ImGuiKey_LeftSuper) ||
(imkey >= ImGuiKey_RightCtrl && imkey <= ImGuiKey_RightSuper))
{
const u32 idx = imkey - ((imkey >= ImGuiKey_RightCtrl) ? ImGuiKey_RightCtrl : ImGuiKey_LeftCtrl);
io.AddKeyEvent(static_cast<ImGuiKey>(static_cast<u32>(ImGuiMod_Ctrl) << idx), pressed);
}
}
bool ImGuiManager::ProcessGenericInputEvent(GenericInputBinding key, float value)
{
static constexpr std::array key_map = {
ImGuiKey_None, // Unknown,
ImGuiKey_GamepadDpadUp, // DPadUp
ImGuiKey_GamepadDpadRight, // DPadRight
ImGuiKey_GamepadDpadLeft, // DPadLeft
ImGuiKey_GamepadDpadDown, // DPadDown
ImGuiKey_GamepadLStickUp, // LeftStickUp
ImGuiKey_GamepadLStickRight, // LeftStickRight
ImGuiKey_GamepadLStickDown, // LeftStickDown
ImGuiKey_GamepadLStickLeft, // LeftStickLeft
ImGuiKey_GamepadL3, // L3
ImGuiKey_None, // RightStickUp
ImGuiKey_None, // RightStickRight
ImGuiKey_None, // RightStickDown
ImGuiKey_None, // RightStickLeft
ImGuiKey_GamepadR3, // R3
ImGuiKey_GamepadFaceUp, // Triangle
ImGuiKey_GamepadFaceRight, // Circle
ImGuiKey_GamepadFaceDown, // Cross
ImGuiKey_GamepadFaceLeft, // Square
ImGuiKey_GamepadBack, // Select
ImGuiKey_GamepadStart, // Start
ImGuiKey_None, // System
ImGuiKey_GamepadL1, // L1
ImGuiKey_GamepadL2, // L2
ImGuiKey_GamepadR1, // R1
ImGuiKey_GamepadL2, // R2
};
const ImGuiKey imkey = (static_cast<u32>(key) < key_map.size()) ? key_map[static_cast<u32>(key)] : ImGuiKey_None;
if (imkey == ImGuiKey_None)
return false;
// Racey read, but that's okay, worst case we push a couple of keys during shutdown.
if (!s_state.imgui_context)
return false;
GPUThread::RunOnThread([imkey, value]() {
if (!s_state.imgui_context)
return;
if (imkey >= ImGuiKey_GamepadLStickLeft && imkey <= ImGuiKey_GamepadLStickDown)
{
// NOTE: This assumes the source is sending a whole axis value, not half axis.
const u32 axis = BoolToUInt32(imkey >= ImGuiKey_GamepadLStickUp);
const s8 old_state = s_state.left_stick_axis_state[axis];
const s8 new_state = (value <= -0.5f) ? -1 : ((value >= 0.5f) ? 1 : 0);
if (old_state != new_state)
{
static constexpr auto map_to_key = [](u32 axis, s8 state) {
// 0:-1/1 => ImGuiKey_GamepadDpadLeft/Right, 1:-1/1 => ImGuiKey_GamepadDpadUp/ImGuiKey_GamepadDpadDown
return static_cast<ImGuiKey>(static_cast<u32>(ImGuiKey_GamepadDpadLeft) + (axis << 1) +
BoolToUInt32(state > 0));
};
s_state.left_stick_axis_state[axis] = new_state;
if (old_state != 0)
s_state.imgui_context->IO.AddKeyAnalogEvent(map_to_key(axis, old_state), false, 0.0f);
if (new_state != 0)
s_state.imgui_context->IO.AddKeyAnalogEvent(map_to_key(axis, new_state), true, 1.0f);
}
}
else
{
s_state.imgui_context->IO.AddKeyAnalogEvent(imkey, (value > 0.0f), value);
}
});
return s_state.imgui_wants_keyboard.load(std::memory_order_acquire);
}
const char* ImGuiManager::GetClipboardTextImpl(void* userdata)
{
const std::string text = Host::GetClipboardText();
if (text.empty() || text.length() >= std::numeric_limits<int>::max())
return nullptr;
const size_t length = text.length();
GImGui->ClipboardHandlerData.resize(static_cast<int>(length + 1));
std::memcpy(GImGui->ClipboardHandlerData.Data, text.data(), length);
GImGui->ClipboardHandlerData.Data[length] = 0;
return GImGui->ClipboardHandlerData.Data;
}
void ImGuiManager::SetClipboardTextImpl(void* userdata, const char* text)
{
const size_t length = std::strlen(text);
if (length == 0)
return;
Host::CopyTextToClipboard(std::string_view(text, length));
}
void ImGuiManager::CreateSoftwareCursorTextures()
{
for (u32 i = 0; i < static_cast<u32>(s_state.software_cursors.size()); i++)
{
if (!s_state.software_cursors[i].image_path.empty())
UpdateSoftwareCursorTexture(i);
}
}
void ImGuiManager::DestroySoftwareCursorTextures()
{
for (SoftwareCursor& sc : s_state.software_cursors)
sc.texture.reset();
}
void ImGuiManager::UpdateSoftwareCursorTexture(u32 index)
{
SoftwareCursor& sc = s_state.software_cursors[index];
if (sc.image_path.empty())
{
sc.texture.reset();
return;
}
Error error;
Image image;
if (!image.LoadFromFile(sc.image_path.c_str(), &error))
{
ERROR_LOG("Failed to load software cursor {} image '{}': {}", index, sc.image_path, error.GetDescription());
return;
}
g_gpu_device->RecycleTexture(std::move(sc.texture));
sc.texture = g_gpu_device->FetchTexture(image.GetWidth(), image.GetHeight(), 1, 1, 1, GPUTexture::Type::Texture,
GPUTexture::Format::RGBA8, GPUTexture::Flags::None, image.GetPixels(),
image.GetPitch(), &error);
if (!sc.texture)
{
ERROR_LOG("Failed to upload {}x{} software cursor {} image '{}': {}", image.GetWidth(), image.GetHeight(), index,
sc.image_path, error.GetDescription());
return;
}
sc.extent_x = std::ceil(static_cast<float>(image.GetWidth()) * sc.scale * s_state.global_scale) / 2.0f;
sc.extent_y = std::ceil(static_cast<float>(image.GetHeight()) * sc.scale * s_state.global_scale) / 2.0f;
}
void ImGuiManager::DrawSoftwareCursor(const SoftwareCursor& sc, const std::pair<float, float>& pos)
{
if (!sc.texture)
return;
const ImVec2 min(pos.first - sc.extent_x, pos.second - sc.extent_y);
const ImVec2 max(pos.first + sc.extent_x, pos.second + sc.extent_y);
ImDrawList* dl = ImGui::GetForegroundDrawList();
dl->AddImage(reinterpret_cast<ImTextureID>(sc.texture.get()), min, max, ImVec2(0.0f, 0.0f), ImVec2(1.0f, 1.0f),
sc.color);
}
void ImGuiManager::RenderSoftwareCursors()
{
// This one's okay to race, worst that happens is we render the wrong number of cursors for a frame.
const u32 pointer_count = InputManager::GetPointerCount();
for (u32 i = 0; i < pointer_count; i++)
DrawSoftwareCursor(s_state.software_cursors[i], InputManager::GetPointerAbsolutePosition(i));
for (u32 i = InputManager::MAX_POINTER_DEVICES; i < InputManager::MAX_SOFTWARE_CURSORS; i++)
DrawSoftwareCursor(s_state.software_cursors[i], s_state.software_cursors[i].pos);
}
void ImGuiManager::SetSoftwareCursor(u32 index, std::string image_path, float image_scale, u32 multiply_color)
{
DebugAssert(index < std::size(s_state.software_cursors));
SoftwareCursor& sc = s_state.software_cursors[index];
sc.color = multiply_color | 0xFF000000;
if (sc.image_path == image_path && sc.scale == image_scale)
return;
const bool is_hiding_or_showing = (image_path.empty() != sc.image_path.empty());
sc.image_path = std::move(image_path);
sc.scale = image_scale;
if (g_gpu_device)
UpdateSoftwareCursorTexture(index);
// Hide the system cursor when we activate a software cursor.
if (is_hiding_or_showing && index <= InputManager::MAX_POINTER_DEVICES)
InputManager::UpdateRelativeMouseMode();
}
bool ImGuiManager::HasSoftwareCursor(u32 index)
{
return (index < s_state.software_cursors.size() && !s_state.software_cursors[index].image_path.empty());
}
void ImGuiManager::ClearSoftwareCursor(u32 index)
{
SetSoftwareCursor(index, std::string(), 0.0f, 0);
}
void ImGuiManager::SetSoftwareCursorPosition(u32 index, float pos_x, float pos_y)
{
DebugAssert(index >= InputManager::MAX_POINTER_DEVICES);
SoftwareCursor& sc = s_state.software_cursors[index];
sc.pos.first = pos_x;
sc.pos.second = pos_y;
}
std::string ImGuiManager::StripIconCharacters(std::string_view str)
{
std::string result;
result.reserve(str.length());
for (size_t offset = 0; offset < str.length();)
{
char32_t utf;
offset += StringUtil::DecodeUTF8(str, offset, &utf);
// icon if outside BMP/SMP/TIP, or inside private use area
if (utf > 0x32FFF || (utf >= 0xE000 && utf <= 0xF8FF))
continue;
StringUtil::EncodeAndAppendUTF8(result, utf);
}
StringUtil::StripWhitespace(&result);
return result;
}
#ifndef __ANDROID__
bool ImGuiManager::CreateAuxiliaryRenderWindow(AuxiliaryRenderWindowState* state, std::string_view title,
std::string_view icon_name, const char* config_section,
const char* config_prefix, u32 default_width, u32 default_height,
Error* error)
{
constexpr s32 DEFAULT_POSITION = std::numeric_limits<s32>::min();
// figure out where to position it
s32 pos_x = DEFAULT_POSITION;
s32 pos_y = DEFAULT_POSITION;
u32 width = default_width;
u32 height = default_height;
if (config_prefix)
{
pos_x = Host::GetBaseIntSettingValue(config_section, TinyString::from_format("{}PositionX", config_prefix),
DEFAULT_POSITION);
pos_y = Host::GetBaseIntSettingValue(config_section, TinyString::from_format("{}PositionY", config_prefix),
DEFAULT_POSITION);
width =
Host::GetBaseUIntSettingValue(config_section, TinyString::from_format("{}Width", config_prefix), default_width);
height =
Host::GetBaseUIntSettingValue(config_section, TinyString::from_format("{}Height", config_prefix), default_height);
}
WindowInfo wi;
if (!Host::CreateAuxiliaryRenderWindow(pos_x, pos_y, width, height, title, icon_name, state, &state->window_handle,
&wi, error))
{
return false;
}
state->swap_chain = g_gpu_device->CreateSwapChain(wi, GPUVSyncMode::Disabled, false, nullptr, std::nullopt, error);
if (!state->swap_chain)
{
Host::DestroyAuxiliaryRenderWindow(state->window_handle);
state->window_handle = nullptr;
return false;
}
AddDebugFontIfMissing();
state->imgui_context = ImGui::CreateContext(s_state.imgui_context->IO.Fonts);
state->imgui_context->Viewports[0]->Size = state->imgui_context->IO.DisplaySize =
ImVec2(static_cast<float>(state->swap_chain->GetWidth()), static_cast<float>(state->swap_chain->GetHeight()));
state->imgui_context->IO.IniFilename = nullptr;
state->imgui_context->IO.BackendFlags |= ImGuiBackendFlags_HasGamepad;
state->imgui_context->IO.ConfigFlags |= ImGuiConfigFlags_NoMouseCursorChange;
SetCommonIOOptions(state->imgui_context->IO);
SetStyle(state->imgui_context->Style, state->swap_chain->GetScale());
state->imgui_context->Style.WindowBorderSize = 0.0f;
state->close_request = false;
return true;
}
void ImGuiManager::DestroyAuxiliaryRenderWindow(AuxiliaryRenderWindowState* state, const char* config_section,
const char* config_prefix)
{
constexpr s32 DEFAULT_POSITION = std::numeric_limits<s32>::min();
if (!state->window_handle)
return;
s32 old_pos_x = DEFAULT_POSITION, old_pos_y = DEFAULT_POSITION;
u32 old_width = 0, old_height = 0;
if (config_section)
{
old_pos_x = Host::GetBaseIntSettingValue(config_section, TinyString::from_format("{}PositionX", config_prefix),
DEFAULT_POSITION);
old_pos_y = Host::GetBaseIntSettingValue(config_section, TinyString::from_format("{}PositionY", config_prefix),
DEFAULT_POSITION);
old_width = Host::GetBaseUIntSettingValue(config_section, TinyString::from_format("{}Width", config_prefix), 0);
old_height = Host::GetBaseUIntSettingValue(config_section, TinyString::from_format("{}Height", config_prefix), 0);
}
ImGui::DestroyContext(state->imgui_context);
state->imgui_context = nullptr;
state->swap_chain.reset();
state->close_request = false;
// store positioning for config
s32 new_pos_x = old_pos_x, new_pos_y = old_pos_y;
u32 new_width = old_width, new_height = old_height;
Host::DestroyAuxiliaryRenderWindow(std::exchange(state->window_handle, nullptr), &new_pos_x, &new_pos_y, &new_width,
&new_height);
if (config_section)
{
// update config if the window was moved
if (old_pos_x != new_pos_x || old_pos_y != new_pos_y || old_width != new_width || old_height != new_height)
{
Host::SetBaseIntSettingValue(config_section, TinyString::from_format("{}PositionX", config_prefix), new_pos_x);
Host::SetBaseIntSettingValue(config_section, TinyString::from_format("{}PositionY", config_prefix), new_pos_y);
Host::SetBaseUIntSettingValue(config_section, TinyString::from_format("{}Width", config_prefix), new_width);
Host::SetBaseUIntSettingValue(config_section, TinyString::from_format("{}Height", config_prefix), new_height);
Host::CommitBaseSettingChanges();
}
}
}
bool ImGuiManager::RenderAuxiliaryRenderWindow(AuxiliaryRenderWindowState* state, void (*draw_callback)(float scale))
{
DebugAssert(state->window_handle);
if (state->close_request)
return false;
ImGui::SetCurrentContext(state->imgui_context);
ImGui::NewFrame();
ImGui::PushFont(s_state.debug_font);
ImGui::SetNextWindowPos(ImVec2(0.0f, 0.0f), ImGuiCond_Always);
ImGui::SetNextWindowSize(state->imgui_context->IO.DisplaySize, ImGuiCond_Always);
if (ImGui::Begin("AuxRenderWindowMain", nullptr,
ImGuiWindowFlags_NoTitleBar | ImGuiWindowFlags_NoResize | ImGuiWindowFlags_NoMove |
ImGuiWindowFlags_NoCollapse))
{
draw_callback(state->swap_chain->GetScale());
}
ImGui::End();
ImGui::PopFont();
const GPUDevice::PresentResult pres = g_gpu_device->BeginPresent(state->swap_chain.get());
if (pres == GPUDevice::PresentResult::OK)
{
g_gpu_device->RenderImGui(state->swap_chain.get());
g_gpu_device->EndPresent(state->swap_chain.get(), false);
}
else
{
ImGui::EndFrame();
}
ImGui::SetCurrentContext(GetMainContext());
return true;
}
void ImGuiManager::ProcessAuxiliaryRenderWindowInputEvent(Host::AuxiliaryRenderWindowUserData userdata,
Host::AuxiliaryRenderWindowEvent event,
Host::AuxiliaryRenderWindowEventParam param1,
Host::AuxiliaryRenderWindowEventParam param2,
Host::AuxiliaryRenderWindowEventParam param3)
{
// we can get bogus events here after the user closes it, so check we're not being destroyed
AuxiliaryRenderWindowState* state = static_cast<AuxiliaryRenderWindowState*>(userdata);
if (!state->window_handle) [[unlikely]]
return;
ImGuiIO& io = state->imgui_context->IO;
switch (event)
{
case Host::AuxiliaryRenderWindowEvent::CloseRequest:
{
state->close_request = true;
}
break;
case Host::AuxiliaryRenderWindowEvent::Resized:
{
Error error;
if (!state->swap_chain->ResizeBuffers(param1.uint_param, param2.uint_param, param3.float_param, &error))
{
ERROR_LOG("Failed to resize aux window swap chain to {}x{}: {}", param1.uint_param, param2.uint_param,
error.GetDescription());
return;
}
state->imgui_context->Viewports[0]->Size = state->imgui_context->IO.DisplaySize =
ImVec2(static_cast<float>(param1.uint_param), static_cast<float>(param2.uint_param));
}
break;
case Host::AuxiliaryRenderWindowEvent::KeyPressed:
case Host::AuxiliaryRenderWindowEvent::KeyReleased:
{
const auto iter = s_state.imgui_key_map.find(param1.uint_param);
if (iter != s_state.imgui_key_map.end())
SetImKeyState(io, iter->second, (event == Host::AuxiliaryRenderWindowEvent::KeyPressed));
}
break;
case Host::AuxiliaryRenderWindowEvent::TextEntered:
{
io.AddInputCharacter(param1.uint_param);
}
break;
case Host::AuxiliaryRenderWindowEvent::MouseMoved:
{
io.MousePos.x = param1.float_param;
io.MousePos.y = param2.float_param;
}
break;
case Host::AuxiliaryRenderWindowEvent::MousePressed:
case Host::AuxiliaryRenderWindowEvent::MouseReleased:
{
io.AddMouseButtonEvent(param1.uint_param, (event == Host::AuxiliaryRenderWindowEvent::MousePressed));
}
break;
case Host::AuxiliaryRenderWindowEvent::MouseWheel:
{
io.AddMouseWheelEvent(param1.float_param, param2.float_param);
}
break;
default:
break;
}
}
#endif // __ANDROID__
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