We build too many walls and not enough bridges

internal/frontend/qt/systray.go

@@ -0,0 +1,117 @@
+// Copyright (c) 2020 Proton Technologies AG
+//
+// This file is part of ProtonMail Bridge.
+//
+// ProtonMail Bridge is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// ProtonMail Bridge is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with ProtonMail Bridge.  If not, see <https://www.gnu.org/licenses/>.
+
+// +build !nogui
+
+package qt
+
+import (
+	"runtime"
+
+	"github.com/therecipe/qt/core"
+	"github.com/therecipe/qt/gui"
+	"github.com/therecipe/qt/widgets"
+)
+
+const (
+	systrayNormal  = ""
+	systrayWarning = "-warn"
+	systrayError   = "-error"
+)
+
+func min(a, b int) int {
+	if b < a {
+		return b
+	}
+	return a
+}
+
+func max(a, b int) int {
+	if b > a {
+		return b
+	}
+	return a
+}
+
+var systray *widgets.QSystemTrayIcon
+
+func SetupSystray(frontend *FrontendQt) {
+	systray = widgets.NewQSystemTrayIcon(nil)
+	NormalSystray()
+	systray.SetToolTip(frontend.programName)
+	systray.SetContextMenu(createMenu(frontend, systray))
+
+	if runtime.GOOS != "darwin" {
+		systray.ConnectActivated(func(reason widgets.QSystemTrayIcon__ActivationReason) {
+			switch reason {
+			case widgets.QSystemTrayIcon__Trigger, widgets.QSystemTrayIcon__DoubleClick:
+				frontend.Qml.ShowWindow()
+			default:
+				systray.ContextMenu().Exec2(menuPosition(systray), nil)
+			}
+		})
+	}
+
+	systray.Show()
+}
+
+func qsTr(msg string) string {
+	return systray.Tr(msg, "Systray menu", -1)
+}
+
+func createMenu(frontend *FrontendQt, systray *widgets.QSystemTrayIcon) *widgets.QMenu {
+	menu := widgets.NewQMenu(nil)
+	menu.AddAction(qsTr("Open")).ConnectTriggered(func(ok bool) { frontend.Qml.ShowWindow() })
+	menu.AddAction(qsTr("Help")).ConnectTriggered(func(ok bool) { frontend.Qml.ShowHelp() })
+	menu.AddAction(qsTr("Quit")).ConnectTriggered(func(ok bool) { frontend.Qml.ShowQuit() })
+	return menu
+}
+
+func menuPosition(systray *widgets.QSystemTrayIcon) *core.QPoint {
+	var availRec = gui.QGuiApplication_PrimaryScreen().AvailableGeometry()
+	var trayRec = systray.Geometry()
+	var x = max(availRec.Left(), min(trayRec.X(), availRec.Right()-trayRec.Width()))
+	var y = max(availRec.Top(), min(trayRec.Y(), availRec.Bottom()-trayRec.Height()))
+	return core.NewQPoint2(x, y)
+}
+
+func showSystray(systrayType string) {
+	path := ":/ProtonUI/images/systray" + systrayType
+	if runtime.GOOS == "darwin" {
+		path += "-mono"
+	}
+	path += ".png"
+	icon := gui.NewQIcon5(path)
+	icon.SetIsMask(true)
+	systray.SetIcon(icon)
+}
+
+func NormalSystray() {
+	showSystray(systrayNormal)
+}
+
+func HighlightSystray() {
+	showSystray(systrayWarning)
+}
+
+func ErrorSystray() {
+	showSystray(systrayError)
+}
+
+func HideSystray() {
+	systray.Hide()
+}