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| 1 | +package main |
| 2 | + |
| 3 | +import ( |
| 4 | + "log" |
| 5 | + "os" |
| 6 | + "strconv" |
| 7 | + "strings" |
| 8 | + |
| 9 | + "github.com/mappu/miqt/qt" |
| 10 | + "github.com/mappu/miqt/qt/network" |
| 11 | + "github.com/mappu/miqt/qt/websockets" |
| 12 | +) |
| 13 | + |
| 14 | +const ( |
| 15 | + LOCAL_PORT = 12345 |
| 16 | + NUM_CLIENTS = 3 |
| 17 | + MAX_CLIENTS = 10 |
| 18 | + OFFSET_X = 200 |
| 19 | +) |
| 20 | + |
| 21 | +var ( |
| 22 | + clients = make(map[int]*websockets.QWebSocket, MAX_CLIENTS) |
| 23 | + clientDialogs = make(map[int]*ClientDialog, NUM_CLIENTS) |
| 24 | +) |
| 25 | + |
| 26 | +type ClientDialog struct { |
| 27 | + name string |
| 28 | + dialog *qt.QDialog |
| 29 | + socket *websockets.QWebSocket |
| 30 | + messages *qt.QTextEdit |
| 31 | + input *qt.QLineEdit |
| 32 | + button *qt.QPushButton |
| 33 | +} |
| 34 | + |
| 35 | +func NewClientDialog(name string, clientNumString string) *ClientDialog { |
| 36 | + var self ClientDialog |
| 37 | + |
| 38 | + self.name = clientNumString |
| 39 | + |
| 40 | + self.dialog = qt.NewQDialog2() |
| 41 | + self.dialog.SetWindowTitle(name) |
| 42 | + self.dialog.SetMinimumSize2(400, 300) |
| 43 | + |
| 44 | + self.socket = websockets.NewQWebSocket() |
| 45 | + self.socket.SetParent(self.dialog.QWidget.QObject) |
| 46 | + |
| 47 | + self.messages = qt.NewQTextEdit(self.dialog.QWidget) |
| 48 | + self.messages.SetReadOnly(true) |
| 49 | + |
| 50 | + self.input = qt.NewQLineEdit(self.dialog.QWidget) |
| 51 | + self.input.SetPlaceholderText("Enter your message here") |
| 52 | + self.input.SetEnabled(false) |
| 53 | + |
| 54 | + self.button = qt.NewQPushButton5("Send", self.dialog.QWidget) |
| 55 | + self.button.SetEnabled(false) |
| 56 | + |
| 57 | + layout := qt.NewQVBoxLayout2() |
| 58 | + inputLayout := qt.NewQHBoxLayout2() |
| 59 | + |
| 60 | + layout.AddWidget(self.messages.QWidget) |
| 61 | + inputLayout.AddWidget(self.input.QWidget) |
| 62 | + inputLayout.AddWidget(self.button.QWidget) |
| 63 | + layout.AddLayout(inputLayout.QLayout) |
| 64 | + self.dialog.SetLayout(layout.QLayout) |
| 65 | + |
| 66 | + self.socket.OnConnected(func() { |
| 67 | + for _, client := range clientDialogs { |
| 68 | + if self.socket == client.socket { |
| 69 | + self.messages.Append("Connected!") |
| 70 | + self.input.SetEnabled(true) |
| 71 | + self.button.SetEnabled(true) |
| 72 | + self.input.SetFocus() |
| 73 | + return |
| 74 | + } |
| 75 | + } |
| 76 | + }) |
| 77 | + |
| 78 | + self.socket.OnTextMessageReceived(func(message string) { |
| 79 | + self.messages.Append(message) |
| 80 | + }) |
| 81 | + |
| 82 | + self.dialog.OnCloseEvent(func(super func(param1 *qt.QCloseEvent), param1 *qt.QCloseEvent) { |
| 83 | + for _, client := range clientDialogs { |
| 84 | + client.socket.Close() |
| 85 | + client.dialog.Delete() |
| 86 | + super(param1) |
| 87 | + } |
| 88 | + }) |
| 89 | + |
| 90 | + self.button.OnClicked(func() { |
| 91 | + message := strings.TrimSpace(self.input.Text()) |
| 92 | + if message == "" { |
| 93 | + return |
| 94 | + } |
| 95 | + |
| 96 | + self.socket.SendTextMessage("(" + self.name + "): " + message) |
| 97 | + self.messages.Append(">> " + message) |
| 98 | + self.input.Clear() |
| 99 | + }) |
| 100 | + |
| 101 | + return &self |
| 102 | +} |
| 103 | + |
| 104 | +func (this *ClientDialog) ConnectToServer() { |
| 105 | + this.messages.Append("Connecting...") |
| 106 | + |
| 107 | + url := qt.NewQUrl3("ws://localhost:" + strconv.Itoa(LOCAL_PORT)) |
| 108 | + defer url.Delete() |
| 109 | + |
| 110 | + this.socket.Open(url) |
| 111 | +} |
| 112 | + |
| 113 | +func main() { |
| 114 | + qt.NewQApplication(os.Args) |
| 115 | + |
| 116 | + server := websockets.NewQWebSocketServer("Example Qt WebSockets Server", websockets.QWebSocketServer__NonSecureMode) |
| 117 | + defer server.Delete() |
| 118 | + |
| 119 | + localhost := network.NewQHostAddress8(network.QHostAddress__LocalHostIPv6) |
| 120 | + defer localhost.Delete() |
| 121 | + |
| 122 | + if !server.Listen2(localhost, LOCAL_PORT) { |
| 123 | + errorMessage := server.ErrorString() |
| 124 | + log.Fatalln("Failed to listen on port " + strconv.Itoa(LOCAL_PORT) + ": " + errorMessage) |
| 125 | + } |
| 126 | + |
| 127 | + for i := 0; i < NUM_CLIENTS; i++ { |
| 128 | + numStr := strconv.Itoa(i + 1) |
| 129 | + name := "Qt 5 WebSockets Example Client #" + numStr |
| 130 | + clientDialogs[i] = NewClientDialog(name, numStr) |
| 131 | + |
| 132 | + clientDialogs[i].ConnectToServer() |
| 133 | + |
| 134 | + clientDialogs[i].dialog.Show() |
| 135 | + width := clientDialogs[i].dialog.Width() |
| 136 | + y := clientDialogs[i].dialog.Y() |
| 137 | + clientDialogs[i].dialog.Move(OFFSET_X+(width+10)*i, y) |
| 138 | + } |
| 139 | + |
| 140 | + clientNum := 0 |
| 141 | + server.OnNewConnection(func() { |
| 142 | + client := server.NextPendingConnection() |
| 143 | + if clientNum >= MAX_CLIENTS { |
| 144 | + client.Close() |
| 145 | + return |
| 146 | + } |
| 147 | + |
| 148 | + clients[clientNum] = client |
| 149 | + clientNum++ |
| 150 | + |
| 151 | + client.OnTextMessageReceived(func(message string) { |
| 152 | + for _, c := range clients { |
| 153 | + if client == c { |
| 154 | + continue |
| 155 | + } |
| 156 | + c.SendTextMessage(message) |
| 157 | + } |
| 158 | + }) |
| 159 | + |
| 160 | + client.OnDisconnected(func() { |
| 161 | + client.DeleteLater() |
| 162 | + }) |
| 163 | + }) |
| 164 | + |
| 165 | + qt.QApplication_Exec() |
| 166 | +} |
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