mirror of
https://gitee.com/energye/energy.git
synced 2024-12-06 05:38:17 +08:00
183 lines
6.8 KiB
Go
183 lines
6.8 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/winapi"
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"github.com/energye/energy/v2/consts/messages"
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et "github.com/energye/energy/v2/types"
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"github.com/energye/golcl/lcl/rtl"
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"github.com/energye/golcl/lcl/types"
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"github.com/energye/golcl/lcl/win"
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)
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// customWindowCaption 自定义窗口标题栏
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//
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// 当隐藏窗口标题栏时, 自定义窗口标题栏，通过html+css自定义窗口标题栏，实现窗口拖拽等
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type customWindowCaption struct {
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bw IBrowserWindow //
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canCaption bool //当前鼠标是否在标题栏区域
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canBorder bool //当前鼠标是否在边框
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borderHT, borderWMSZ int //borderHT: 鼠标所在边框位置, borderWMSZ: 窗口改变大小边框方向 borderMD:
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borderMD bool //borderMD: 鼠标调整窗口大小，已按下后，再次接收到132消息应该忽略该消息
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}
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// free
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func (m *customWindowCaption) free() {
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if m != nil {
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cb := m.bw.(*LCLBrowserWindow).chromiumBrowser
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if cb != nil {
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cb.FreeRgn()
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cb.FreeRegions()
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}
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}
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}
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// onNCMouseMove NC 非客户区鼠标移动
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func (m *customWindowCaption) onNCMouseMove(hWND types.HWND, message *types.TMessage, lResult *types.LRESULT, aHandled *bool) {
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if m.canCaption { // 当前在标题栏
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} else if m.canBorder { // 当前在边框
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*lResult = types.LRESULT(m.borderHT)
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*aHandled = true
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//全屏时不允许移动窗口
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// TODO 暂时不使用，配合 WndProc
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//if m.bw.WindowProperty().current.ws == types.WsFullScreen {
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// return
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//}
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//s := winapi.GetKeyState(winapi.VK_LBUTTON) & 0x800
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//if winapi.GetKeyState(winapi.VK_LBUTTON) < 0 {
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// x, y := m.toPoint(message)
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// m.borderMD = true
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// if win.ReleaseCapture() {
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// win.PostMessage(hWND, messages.WM_SYSCOMMAND, uintptr(messages.SC_SIZE|m.borderWMSZ), rtl.MakeLParam(uint16(x), uint16(y)))
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// }
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//}
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}
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}
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// onSetCursor 设置鼠标图标
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func (m *customWindowCaption) onSetCursor(message *types.TMessage, lResult *types.LRESULT, aHandled *bool) {
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if m.canBorder { //当前在边框
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switch winapi.LOWORD(uint32(message.LParam)) {
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case messages.HTBOTTOMRIGHT, messages.HTTOPLEFT: //右下 左上
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*lResult = types.LRESULT(m.borderHT)
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*aHandled = true
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winapi.SetCursor(winapi.LoadCursor(0, messages.IDC_SIZENWSE))
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case messages.HTRIGHT, messages.HTLEFT: //右 左
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*lResult = types.LRESULT(m.borderHT)
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*aHandled = true
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winapi.SetCursor(winapi.LoadCursor(0, messages.IDC_SIZEWE))
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case messages.HTTOPRIGHT, messages.HTBOTTOMLEFT: //右上 左下
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*lResult = types.LRESULT(m.borderHT)
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*aHandled = true
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winapi.SetCursor(winapi.LoadCursor(0, messages.IDC_SIZENESW))
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case messages.HTTOP, messages.HTBOTTOM: //上 下
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*lResult = types.LRESULT(m.borderHT)
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*aHandled = true
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winapi.SetCursor(winapi.LoadCursor(0, messages.IDC_SIZENS))
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}
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}
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}
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// 鼠标是否在边框，并返回当前鼠标样式
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func (m *customWindowCaption) onCanBorder(chromiumBrowser ICEFChromiumBrowser, x, y int32, windowRect *types.TRect) bool {
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width := windowRect.Width()
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height := windowRect.Height()
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bda := chromiumBrowser.BroderDirectionAdjustments()
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if m.canBorder = x <= width && x >= width-angleRange && y <= angleRange; m.canBorder && bda.In(et.BdaTopRight) { // 右上
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m.borderWMSZ = messages.WMSZ_TOPRIGHT
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m.borderHT = messages.HTTOPRIGHT
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return true
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} else if m.canBorder = x <= width && x >= width-angleRange && y <= height && y >= height-angleRange; m.canBorder && bda.In(et.BdaBottomRight) { // 右下
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m.borderWMSZ = messages.WMSZ_BOTTOMRIGHT
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m.borderHT = messages.HTBOTTOMRIGHT
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return true
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} else if m.canBorder = x <= angleRange && y <= angleRange; m.canBorder && bda.In(et.BdaTopLeft) { //左上
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m.borderWMSZ = messages.WMSZ_TOPLEFT
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m.borderHT = messages.HTTOPLEFT
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return true
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} else if m.canBorder = x <= angleRange && y >= height-angleRange; m.canBorder && bda.In(et.BdaBottomLeft) { //左下
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m.borderWMSZ = messages.WMSZ_BOTTOMLEFT
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m.borderHT = messages.HTBOTTOMLEFT
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return true
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} else if m.canBorder = x > angleRange && x < width-angleRange && y <= borderRange; m.canBorder && bda.In(et.BdaTop) { //上
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m.borderWMSZ = messages.WMSZ_TOP
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m.borderHT = messages.HTTOP
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return true
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} else if m.canBorder = x > angleRange && x < width-angleRange && y >= height-borderRange; m.canBorder && bda.In(et.BdaBottom) { //下
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m.borderWMSZ = messages.WMSZ_BOTTOM
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m.borderHT = messages.HTBOTTOM
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return true
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} else if m.canBorder = x <= borderRange && y > angleRange && y < height-angleRange; m.canBorder && bda.In(et.BdaLeft) { //左
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m.borderWMSZ = messages.WMSZ_LEFT
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m.borderHT = messages.HTLEFT
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return true
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} else if m.canBorder = x <= width && x >= width-borderRange && y > angleRange && y < height-angleRange; m.canBorder && bda.In(et.BdaRight) { // 右
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m.borderWMSZ = messages.WMSZ_RIGHT
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m.borderHT = messages.HTRIGHT
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return true
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}
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return false
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}
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// onNCLButtonDown NC 鼠标左键按下
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func (m *customWindowCaption) onNCLButtonDown(hWND types.HWND, message *types.TMessage, lResult *types.LRESULT, aHandled *bool) {
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if m.canCaption { // 标题栏
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*lResult = messages.HTCAPTION
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*aHandled = true
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//全屏时不能移动窗口
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if m.bw.WindowProperty().current.ws == types.WsFullScreen {
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return
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}
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x, y := m.toPoint(message)
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m.borderMD = true
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if win.ReleaseCapture() {
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win.PostMessage(hWND, messages.WM_NCLBUTTONDOWN, messages.HTCAPTION, rtl.MakeLParam(uint16(x), uint16(y)))
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}
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} else if m.canBorder { // 边框
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*lResult = types.LRESULT(m.borderHT)
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*aHandled = true
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x, y := m.toPoint(message)
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m.borderMD = true
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if win.ReleaseCapture() {
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win.PostMessage(hWND, messages.WM_SYSCOMMAND, uintptr(messages.SC_SIZE|m.borderWMSZ), rtl.MakeLParam(uint16(x), uint16(y)))
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}
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}
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}
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// toPoint 转换XY坐标
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func (m *customWindowCaption) toPoint(message *types.TMessage) (x, y int32) {
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return winapi.GET_X_LPARAM(message.LParam), winapi.GET_Y_LPARAM(message.LParam)
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}
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// 鼠标是否在标题栏区域
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//
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// 如果启用了css拖拽则校验拖拽区域,否则只返回相对于浏览器窗口的x,y坐标
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func (m *customWindowCaption) isCaption(chromiumBrowser ICEFChromiumBrowser, hWND et.HWND, message *types.TMessage) (int32, int32, bool) {
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dx, dy := m.toPoint(message)
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p := &et.Point{
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X: dx,
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Y: dy,
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}
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winapi.ScreenToClient(hWND, p)
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p.X -= chromiumBrowser.WindowParent().Left()
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p.Y -= chromiumBrowser.WindowParent().Top()
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if m.bw.WindowProperty().EnableWebkitAppRegion && chromiumBrowser.Rgn() != nil {
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m.canCaption = winapi.PtInRegion(chromiumBrowser.Rgn(), p.X, p.Y)
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} else {
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m.canCaption = false
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}
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return p.X, p.Y, m.canCaption
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}
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