mirror of
https://gitee.com/energye/energy.git
synced 2024-12-04 20:58:21 +08:00
127 lines
3.4 KiB
Go
127 lines
3.4 KiB
Go
//----------------------------------------
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//
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// Copyright © yanghy. All Rights Reserved.
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//
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// Licensed under Apache License Version 2.0, January 2004
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//
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// https://www.apache.org/licenses/LICENSE-2.0
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//
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//----------------------------------------
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//go:build windows
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// +build windows
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package cef
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import (
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"github.com/energye/energy/v2/cef/internal/ipc"
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ipcArgument "github.com/energye/energy/v2/cef/ipc/argument"
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"github.com/energye/energy/v2/consts/messages"
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"github.com/energye/golcl/lcl/win"
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"runtime"
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)
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// 窗口拖拽JS扩展
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func dragExtensionJS(frame *ICefFrame) {
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var executeJS = `energyExtension.drag.setup();energyExtension.drag.os="` + runtime.GOOS + `";`
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frame.ExecuteJavaScript(executeJS, "", 0)
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}
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// 窗口拖拽JS扩展处理器
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// 1. 注册JS扩展到CEF, 注册鼠标事件，通过本地函数在Go里处理鼠标事件
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// 2. 通过IPC将鼠标消息发送到主进程，主进程监听到消息处理鼠标事件
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// 3. windows 使用win.api实现窗口拖拽
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func dragExtensionHandler() {
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energyExtensionHandler := V8HandlerRef.New()
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energyExtensionHandler.Execute(func(name string, object *ICefV8Value, arguments *TCefV8ValueArray, retVal *ResultV8Value, exception *ResultString) bool {
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if name == mouseDown || name == mouseUp {
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return true
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} else if name == mouseMove {
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// caption move
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message := &ipcArgument.List{
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Id: -1,
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BId: ipc.RenderChan().BrowserId(),
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Name: internalIPCDRAG,
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Data: &drag{T: dragMove},
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}
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ipc.RenderChan().IPC().Send(message.Bytes())
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return true
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} else if name == mouseDblClick {
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// caption double click
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message := &ipcArgument.List{
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Id: -1,
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BId: ipc.RenderChan().BrowserId(),
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Name: internalIPCDRAG,
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Data: &drag{T: dragDblClick},
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}
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ipc.RenderChan().IPC().Send(message.Bytes())
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return true
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} else if name == mouseResize {
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// window border resize
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htValue := arguments.Get(0)
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ht := htValue.GetStringValue()
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htValue.Free()
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message := &ipcArgument.List{
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Id: -1,
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BId: ipc.RenderChan().BrowserId(),
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Name: internalIPCDRAG,
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Data: &drag{T: dragResize, HT: ht},
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}
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ipc.RenderChan().IPC().Send(message.Bytes())
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return true
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}
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return false
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})
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RegisterExtension("energyExtension", string(ipc.IPCJS), energyExtensionHandler)
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}
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func (m *drag) drag() {
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window := m.window.AsLCLBrowserWindow().BrowserWindow()
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switch m.T {
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case dragUp:
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case dragDown:
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case dragMove:
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// 全屏时不能拖拽窗口
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if window.IsFullScreen() {
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return
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}
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// 此时是 down 事件, 拖拽窗口
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if win.ReleaseCapture() {
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win.PostMessage(m.window.Handle(), messages.WM_NCLBUTTONDOWN, messages.HTCAPTION, 0)
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}
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case dragResize:
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if window.IsFullScreen() {
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return
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}
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var borderHT uintptr
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switch m.HT {
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case "n-resize":
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borderHT = messages.HTTOP
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case "ne-resize":
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borderHT = messages.HTTOPRIGHT
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case "e-resize":
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borderHT = messages.HTRIGHT
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case "se-resize":
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borderHT = messages.HTBOTTOMRIGHT
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case "s-resize":
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borderHT = messages.HTBOTTOM
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case "sw-resize":
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borderHT = messages.HTBOTTOMLEFT
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case "w-resize":
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borderHT = messages.HTLEFT
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case "nw-resize":
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borderHT = messages.HTTOPLEFT
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}
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if borderHT != 0 {
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if win.ReleaseCapture() {
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win.PostMessage(window.Handle(), messages.WM_NCLBUTTONDOWN, borderHT, 0)
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}
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}
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case dragDblClick:
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if window.WindowProperty().EnableWebkitAppRegionDClk {
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window.Maximize()
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}
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}
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}
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