107 lines
4.0 KiB
C++
107 lines
4.0 KiB
C++
//
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// Copyright (c) 2008-2020 the Urho3D project.
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to deal
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// in the Software without restriction, including without limitation the rights
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// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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// copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in
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// all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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// THE SOFTWARE.
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//
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#pragma once
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#include "Sample.h"
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namespace Urho3D
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{
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class Button;
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class LineEdit;
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class Text;
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class UIElement;
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}
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/// Chat example
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/// This sample demonstrates:
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/// - Starting up a network server or connecting to it
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/// - Implementing simple chat functionality with network messages
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class Chat : public Sample
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{
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URHO3D_OBJECT(Chat, Sample);
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public:
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/// Construct.
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explicit Chat(Context* context);
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/// Setup after engine initialization and before running the main loop.
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void Start() override;
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protected:
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/// Return XML patch instructions for screen joystick layout for a specific sample app, if any.
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String GetScreenJoystickPatchString() const override { return
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"<patch>"
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" <add sel=\"/element/element[./attribute[@name='Name' and @value='Button2']]\">"
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" <attribute name=\"Is Visible\" value=\"false\" />"
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" </add>"
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" <add sel=\"/element/element[./attribute[@name='Name' and @value='Hat0']]\">"
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" <attribute name=\"Is Visible\" value=\"false\" />"
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" </add>"
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"</patch>";
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}
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private:
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/// Create the UI.
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void CreateUI();
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/// Subscribe to log message, UI and network events.
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void SubscribeToEvents();
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/// Create a button to the button container.
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Button* CreateButton(const String& text, int width);
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/// Print chat text.
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void ShowChatText(const String& row);
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/// Update visibility of buttons according to connection and server status.
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void UpdateButtons();
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/// Handle log message event; pipe it also to the chat display.
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void HandleLogMessage(StringHash eventType, VariantMap& eventData);
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/// Handle pressing the send button.
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void HandleSend(StringHash eventType, VariantMap& eventData);
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/// Handle pressing the connect button.
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void HandleConnect(StringHash eventType, VariantMap& eventData);
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/// Handle pressing the disconnect button.
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void HandleDisconnect(StringHash eventType, VariantMap& eventData);
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/// Handle pressing the start server button.
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void HandleStartServer(StringHash eventType, VariantMap& eventData);
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/// Handle an incoming network message.
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void HandleNetworkMessage(StringHash eventType, VariantMap& eventData);
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/// Handle connection status change (just update the buttons that should be shown.)
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void HandleConnectionStatus(StringHash eventType, VariantMap& eventData);
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/// Strings printed so far.
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Vector<String> chatHistory_;
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/// Chat text element.
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SharedPtr<Text> chatHistoryText_;
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/// Button container element.
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SharedPtr<UIElement> buttonContainer_;
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/// Server address / chat message line editor element.
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SharedPtr<LineEdit> textEdit_;
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/// Send button.
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SharedPtr<Button> sendButton_;
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/// Connect button.
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SharedPtr<Button> connectButton_;
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/// Disconnect button.
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SharedPtr<Button> disconnectButton_;
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/// Start server button.
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SharedPtr<Button> startServerButton_;
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};
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