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c958fc1278
Ensures that the destruction logic is kept local to the translation unit (making it nicer when it comes to forward declaring non-trivial types). It also doesn't really do much to define it in the header.
115 lines
2.5 KiB
C++
115 lines
2.5 KiB
C++
// Copyright 2019 Dolphin Emulator Project
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// Licensed under GPLv2+
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// Refer to the license.txt file included.
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#include "VideoCommon/NetPlayChatUI.h"
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#include <imgui.h>
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constexpr float DEFAULT_WINDOW_WIDTH = 220.0f;
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constexpr float DEFAULT_WINDOW_HEIGHT = 400.0f;
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constexpr size_t MAX_BACKLOG_SIZE = 100;
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std::unique_ptr<NetPlayChatUI> g_netplay_chat_ui;
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NetPlayChatUI::NetPlayChatUI(std::function<void(const std::string&)> callback)
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: m_message_callback{std::move(callback)}
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{
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}
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NetPlayChatUI::~NetPlayChatUI() = default;
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void NetPlayChatUI::Display()
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{
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const float scale = ImGui::GetIO().DisplayFramebufferScale.x;
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ImGui::SetNextWindowPos(ImVec2(10.0f * scale, 10.0f * scale), ImGuiCond_FirstUseEver);
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ImGui::SetNextWindowSizeConstraints(
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ImVec2(DEFAULT_WINDOW_WIDTH * scale, DEFAULT_WINDOW_HEIGHT * scale),
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ImGui::GetIO().DisplaySize);
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if (!ImGui::Begin("Chat", nullptr, ImGuiWindowFlags_None))
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{
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ImGui::End();
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return;
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}
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ImGui::BeginChild("Scrolling", ImVec2(0, -30 * scale), true, ImGuiWindowFlags_None);
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for (const auto& msg : m_messages)
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{
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auto c = msg.second;
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ImGui::PushTextWrapPos(0.0f);
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ImGui::TextColored(ImVec4(c[0], c[1], c[2], 1.0f), "%s", msg.first.c_str());
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ImGui::PopTextWrapPos();
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}
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if (m_scroll_to_bottom)
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{
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ImGui::SetScrollHere(1.0f);
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m_scroll_to_bottom = false;
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}
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m_is_scrolled_to_bottom = ImGui::GetScrollY() == ImGui::GetScrollMaxY();
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ImGui::EndChild();
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ImGui::Spacing();
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ImGui::PushItemWidth(-50.0f * scale);
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if (ImGui::InputText("", m_message_buf, IM_ARRAYSIZE(m_message_buf),
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ImGuiInputTextFlags_EnterReturnsTrue))
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{
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SendMessage();
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}
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if (m_activate)
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{
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ImGui::SetKeyboardFocusHere(-1);
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m_activate = false;
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}
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ImGui::PopItemWidth();
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ImGui::SameLine();
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if (ImGui::Button("Send"))
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SendMessage();
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ImGui::End();
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}
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void NetPlayChatUI::AppendChat(std::string message, Color color)
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{
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if (m_messages.size() > MAX_BACKLOG_SIZE)
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m_messages.pop_front();
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m_messages.emplace_back(std::move(message), color);
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// Only scroll to bottom, if we were at the bottom previously
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if (m_is_scrolled_to_bottom)
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m_scroll_to_bottom = true;
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}
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void NetPlayChatUI::SendMessage()
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{
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// Check whether the input field is empty
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if (m_message_buf[0] != '\0')
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{
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if (m_message_callback)
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m_message_callback(m_message_buf);
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// 'Empty' the buffer
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m_message_buf[0] = '\0';
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}
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}
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void NetPlayChatUI::Activate()
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{
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if (ImGui::IsItemFocused())
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ImGui::SetWindowFocus(nullptr);
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else
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m_activate = true;
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}
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