223 lines
No EOL
8.3 KiB
C++
223 lines
No EOL
8.3 KiB
C++
#include "ltpch.h"
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#include "UserInterface.h"
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#include "OpenGL/glUserInterface.h"
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#ifdef LIGHT_PLATFORM_WINDOWS
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#include "DirectX/dxUserInterface.h"
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#include "DirectX/dxSharedContext.h"
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#endif
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#include "Events/Event.h"
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#include "Events/CharEvent.h"
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#include "Events/MouseEvents.h"
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#include "Events/KeyboardEvents.h"
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#include "Graphics/GraphicsContext.h"
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#include "Input/KeyCodes.h"
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#include <imgui.h>
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namespace Light {
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UserInterface* UserInterface::s_Context = nullptr;
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Scope<UserInterface> UserInterface::Create(GLFWwindow* windowHandle, Ref<SharedContext> sharedContext)
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{
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Scope<UserInterface> scopeUserInterface = nullptr;
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switch (GraphicsContext::GetGraphicsAPI())
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{
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case GraphicsAPI::OpenGL:
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scopeUserInterface = CreateScope<glUserInterface>();
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break;
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case GraphicsAPI::DirectX: LT_WIN(
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scopeUserInterface = CreateScope<dxUserInterface>();)
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break;
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default:
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LT_ENGINE_ASSERT(false, "UserInterface::Create: invalid/unsupported 'GraphicsAPI' {}", GraphicsContext::GetGraphicsAPI());
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return nullptr;
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}
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scopeUserInterface->Init(windowHandle, sharedContext);
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return std::move(scopeUserInterface);
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}
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UserInterface::UserInterface()
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: m_DockspaceFlags(ImGuiWindowFlags_MenuBar | ImGuiWindowFlags_NoDocking | ImGuiWindowFlags_NoTitleBar |
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ImGuiWindowFlags_NoCollapse | ImGuiWindowFlags_NoResize | ImGuiWindowFlags_NoMove |
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ImGuiWindowFlags_NoBringToFrontOnFocus | ImGuiWindowFlags_NoNavFocus )
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{
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LT_ENGINE_ASSERT(!s_Context, "serInterface::UserInterface: an instance of 'UserInterface' already exists, do not construct this class!");
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s_Context = this;
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}
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void UserInterface::Init(GLFWwindow* windowHandle, Ref<SharedContext> sharedContext)
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{
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// create context
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IMGUI_CHECKVERSION();
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ImGui::CreateContext();
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// configure io
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ImGuiIO& io = ImGui::GetIO();
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io.ConfigFlags |= ImGuiConfigFlags_NavEnableKeyboard;
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io.ConfigFlags |= ImGuiConfigFlags_DockingEnable;
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io.ConfigFlags |= ImGuiConfigFlags_ViewportsEnable;
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io.ConfigFlags |= ImGuiBackendFlags_PlatformHasViewports;
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io.ConfigFlags |= ImGuiBackendFlags_RendererHasViewports;
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// #todo: handle this in a better way
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if (std::filesystem::exists("user_gui_layout.ini"))
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io.IniFilename = "user_gui_layout.ini";
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else
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io.IniFilename = "default_gui_layout.ini";
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// style
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ImGui::StyleColorsDark();
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PlatformImplementation(windowHandle, sharedContext);
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// keyboard map
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io.KeyMap[ImGuiKey_Tab] = Key::Tab;
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io.KeyMap[ImGuiKey_LeftArrow] = Key::LeftArrow;
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io.KeyMap[ImGuiKey_RightArrow] = Key::RightArrow;
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io.KeyMap[ImGuiKey_UpArrow] = Key::UpArrow;
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io.KeyMap[ImGuiKey_DownArrow] = Key::DownArrow;
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io.KeyMap[ImGuiKey_PageUp] = Key::PageUp;
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io.KeyMap[ImGuiKey_PageDown] = Key::PageDown;
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io.KeyMap[ImGuiKey_Home] = Key::Home;
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io.KeyMap[ImGuiKey_End] = Key::End;
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io.KeyMap[ImGuiKey_Insert] = Key::Insert;
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io.KeyMap[ImGuiKey_Delete] = Key::Delete;
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io.KeyMap[ImGuiKey_Backspace] = Key::BackSpace;
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io.KeyMap[ImGuiKey_Space] = Key::Space;
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io.KeyMap[ImGuiKey_Enter] = Key::Enter;
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io.KeyMap[ImGuiKey_Escape] = Key::Escape;
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io.KeyMap[ImGuiKey_KeyPadEnter] = Key::Enter;
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io.KeyMap[ImGuiKey_A] = Key::A;
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io.KeyMap[ImGuiKey_C] = Key::C;
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io.KeyMap[ImGuiKey_V] = Key::V;
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io.KeyMap[ImGuiKey_X] = Key::X;
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io.KeyMap[ImGuiKey_Y] = Key::Y;
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io.KeyMap[ImGuiKey_Z] = Key::Z;
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io.Fonts->AddFontFromFileTTF("res/Fonts/OpenSans/OpenSans-Bold.ttf", 18.0f);
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io.FontDefault = io.Fonts->AddFontFromFileTTF("res/Fonts/OpenSans/OpenSans-Regular.ttf", 18.0f);
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SetDarkThemeColors();
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}
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void UserInterface::DockspaceBegin()
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{
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ImGuiViewport* viewport = ImGui::GetMainViewport();
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ImGui::SetNextWindowPos(viewport->Pos);
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ImGui::SetNextWindowSize(viewport->Size);
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ImGui::SetNextWindowViewport(viewport->ID);
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ImGui::PushStyleVar(ImGuiStyleVar_WindowRounding, 0.0f);
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ImGui::PushStyleVar(ImGuiStyleVar_WindowBorderSize, 0.0f);
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ImGui::PushStyleVar(ImGuiStyleVar_WindowPadding, ImVec2(0.0f, 0.0f));
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ImGui::Begin("Dockspace", (bool*)0, s_Context->m_DockspaceFlags);
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ImGui::PopStyleVar(3);
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ImGuiStyle& style = ImGui::GetStyle();
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float minWinSizeX = style.WindowMinSize.x;
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style.WindowMinSize.x = 370.0f;
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ImGui::DockSpace(ImGui::GetID("MyDockSpace"), ImVec2(0.0f, 0.0f), ImGuiDockNodeFlags_None | ImGuiWindowFlags_NoBackground);
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style.WindowMinSize.x = minWinSizeX;
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}
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void UserInterface::DockspaceEnd()
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{
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ImGui::End();
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}
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void UserInterface::SetDarkThemeColors()
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{
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ImGuiStyle& style = ImGui::GetStyle();
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ImVec4 (&colors)[55] = style.Colors;
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style.WindowPadding = ImVec2(0.0f, 0.0f);
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colors[ImGuiCol_Text] = ImVec4(1.00f, 1.00f, 1.00f, 1.00f);
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colors[ImGuiCol_TextDisabled] = ImVec4(0.50f, 0.50f, 0.50f, 1.00f);
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colors[ImGuiCol_WindowBg] = ImVec4(0.10f, 0.10f, 0.11f, 1.00f);
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colors[ImGuiCol_ChildBg] = ImVec4(0.00f, 0.00f, 0.00f, 0.00f);
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colors[ImGuiCol_PopupBg] = ImVec4(0.08f, 0.08f, 0.08f, 0.94f);
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colors[ImGuiCol_Border] = ImVec4(0.43f, 0.43f, 0.50f, 0.50f);
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colors[ImGuiCol_BorderShadow] = ImVec4(0.00f, 0.00f, 0.00f, 0.00f);
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colors[ImGuiCol_FrameBg] = ImVec4(0.20f, 0.20f, 0.21f, 1.00f);
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colors[ImGuiCol_FrameBgHovered] = ImVec4(0.30f, 0.31f, 0.31f, 1.00f);
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colors[ImGuiCol_FrameBgActive] = ImVec4(0.15f, 0.15f, 0.15f, 1.00f);
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colors[ImGuiCol_TitleBg] = ImVec4(0.15f, 0.15f, 0.15f, 1.00f);
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colors[ImGuiCol_TitleBgActive] = ImVec4(0.15f, 0.15f, 0.15f, 1.00f);
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colors[ImGuiCol_TitleBgCollapsed] = ImVec4(0.15f, 0.15f, 0.15f, 1.00f);
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colors[ImGuiCol_MenuBarBg] = ImVec4(0.14f, 0.14f, 0.14f, 1.00f);
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colors[ImGuiCol_ScrollbarBg] = ImVec4(0.02f, 0.02f, 0.02f, 0.53f);
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colors[ImGuiCol_ScrollbarGrab] = ImVec4(0.31f, 0.31f, 0.31f, 1.00f);
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colors[ImGuiCol_ScrollbarGrabHovered] = ImVec4(0.41f, 0.41f, 0.41f, 1.00f);
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colors[ImGuiCol_ScrollbarGrabActive] = ImVec4(0.51f, 0.51f, 0.51f, 1.00f);
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colors[ImGuiCol_CheckMark] = ImVec4(0.26f, 0.59f, 0.98f, 1.00f);
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colors[ImGuiCol_SliderGrab] = ImVec4(0.24f, 0.52f, 0.88f, 1.00f);
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colors[ImGuiCol_SliderGrabActive] = ImVec4(0.26f, 0.59f, 0.98f, 1.00f);
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colors[ImGuiCol_Button] = ImVec4(0.20f, 0.20f, 0.21f, 1.00f);
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colors[ImGuiCol_ButtonHovered] = ImVec4(0.30f, 0.31f, 0.31f, 1.00f);
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colors[ImGuiCol_ButtonActive] = ImVec4(0.15f, 0.15f, 0.15f, 1.00f);
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colors[ImGuiCol_Header] = ImVec4(0.20f, 0.20f, 0.21f, 1.00f);
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colors[ImGuiCol_HeaderHovered] = ImVec4(0.30f, 0.31f, 0.31f, 1.00f);
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colors[ImGuiCol_HeaderActive] = ImVec4(0.15f, 0.15f, 0.15f, 1.00f);
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colors[ImGuiCol_Separator] = ImVec4(0.43f, 0.43f, 0.50f, 0.50f);
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colors[ImGuiCol_SeparatorHovered] = ImVec4(0.10f, 0.40f, 0.75f, 0.78f);
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colors[ImGuiCol_SeparatorActive] = ImVec4(0.10f, 0.40f, 0.75f, 1.00f);
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colors[ImGuiCol_ResizeGrip] = ImVec4(0.26f, 0.59f, 0.98f, 0.20f);
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colors[ImGuiCol_ResizeGripHovered] = ImVec4(0.26f, 0.59f, 0.98f, 0.67f);
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colors[ImGuiCol_ResizeGripActive] = ImVec4(0.26f, 0.59f, 0.98f, 0.95f);
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colors[ImGuiCol_Tab] = ImVec4(0.15f, 0.15f, 0.15f, 1.00f);
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colors[ImGuiCol_TabHovered] = ImVec4(0.38f, 0.38f, 0.38f, 1.00f);
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colors[ImGuiCol_TabActive] = ImVec4(0.28f, 0.28f, 0.28f, 1.00f);
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colors[ImGuiCol_TabUnfocused] = ImVec4(0.15f, 0.15f, 0.15f, 1.00f);
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colors[ImGuiCol_TabUnfocusedActive] = ImVec4(0.20f, 0.20f, 0.21f, 1.00f);
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colors[ImGuiCol_DockingPreview] = ImVec4(0.26f, 0.59f, 0.98f, 0.70f);
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colors[ImGuiCol_DockingEmptyBg] = ImVec4(0.20f, 0.20f, 0.20f, 1.00f);
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colors[ImGuiCol_PlotLines] = ImVec4(0.61f, 0.61f, 0.61f, 1.00f);
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colors[ImGuiCol_PlotLinesHovered] = ImVec4(1.00f, 0.43f, 0.35f, 1.00f);
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colors[ImGuiCol_PlotHistogram] = ImVec4(0.90f, 0.70f, 0.00f, 1.00f);
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colors[ImGuiCol_PlotHistogramHovered] = ImVec4(1.00f, 0.60f, 0.00f, 1.00f);
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colors[ImGuiCol_TableHeaderBg] = ImVec4(0.19f, 0.19f, 0.20f, 1.00f);
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colors[ImGuiCol_TableBorderStrong] = ImVec4(0.31f, 0.31f, 0.35f, 1.00f);
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colors[ImGuiCol_TableBorderLight] = ImVec4(0.23f, 0.23f, 0.25f, 1.00f);
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colors[ImGuiCol_TableRowBg] = ImVec4(0.00f, 0.00f, 0.00f, 0.00f);
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colors[ImGuiCol_TableRowBgAlt] = ImVec4(1.00f, 1.00f, 1.00f, 0.06f);
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colors[ImGuiCol_TextSelectedBg] = ImVec4(0.26f, 0.59f, 0.98f, 0.35f);
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colors[ImGuiCol_DragDropTarget] = ImVec4(1.00f, 1.00f, 0.00f, 0.90f);
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colors[ImGuiCol_NavHighlight] = ImVec4(0.26f, 0.59f, 0.98f, 1.00f);
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colors[ImGuiCol_NavWindowingHighlight] = ImVec4(1.00f, 1.00f, 1.00f, 0.70f);
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colors[ImGuiCol_NavWindowingDimBg] = ImVec4(0.80f, 0.80f, 0.80f, 0.20f);
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colors[ImGuiCol_ModalWindowDimBg] = ImVec4(0.80f, 0.80f, 0.80f, 0.35f);
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}
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} |