mirror of
https://gitee.com/energye/energy.git
synced 2024-12-03 04:07:58 +08:00
341 lines
12 KiB
Go
341 lines
12 KiB
Go
//----------------------------------------
|
||
//
|
||
// Copyright © yanghy. All Rights Reserved.
|
||
//
|
||
// Licensed under Apache License Version 2.0, January 2004
|
||
//
|
||
// https://www.apache.org/licenses/LICENSE-2.0
|
||
//
|
||
//----------------------------------------
|
||
|
||
//go:build windows
|
||
|
||
// LCL窗口组件定义和实现-windows平台
|
||
package cef
|
||
|
||
import (
|
||
"github.com/energye/energy/consts"
|
||
"github.com/energye/golcl/lcl"
|
||
"github.com/energye/golcl/lcl/rtl"
|
||
"github.com/energye/golcl/lcl/types"
|
||
"github.com/energye/golcl/lcl/win"
|
||
)
|
||
|
||
// 定义四角和边框范围
|
||
var (
|
||
angleRange int32 = 10 //四角
|
||
borderRange int32 = 5 //四边框
|
||
)
|
||
|
||
// customWindowCaption 自定义窗口标题栏
|
||
//
|
||
// 隐藏窗口标题栏，通过html+css实现自定义窗口标题栏，实现窗口拖拽等
|
||
type customWindowCaption struct {
|
||
bw *LCLBrowserWindow //
|
||
canCaption bool //当前鼠标是否在标题栏区域
|
||
canBorder bool //当前鼠标是否在边框
|
||
borderHT, borderWMSZ int //borderHT: 鼠标所在边框位置, borderWMSZ: 窗口改变大小边框方向 borderMD:
|
||
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
|
||
regions *TCefDraggableRegions //窗口内html拖拽区域
|
||
rgn *HRGN //
|
||
}
|
||
|
||
// ShowTitle 显示标题栏
|
||
func (m *LCLBrowserWindow) ShowTitle() {
|
||
m.WindowProperty().EnableHideCaption = false
|
||
//win.SetWindowLong(m.Handle(), win.GWL_STYLE, uintptr(win.GetWindowLong(m.Handle(), win.GWL_STYLE)|win.WS_CAPTION))
|
||
//win.SetWindowPos(m.Handle(), m.Handle(), 0, 0, 0, 0, win.SWP_NOSIZE|win.SWP_NOMOVE|win.SWP_NOZORDER|win.SWP_NOACTIVATE|win.SWP_FRAMECHANGED)
|
||
m.EnabledMaximize(m.WindowProperty().EnableMaximize)
|
||
m.EnabledMinimize(m.WindowProperty().EnableMinimize)
|
||
m.SetBorderStyle(types.BsSizeable)
|
||
}
|
||
|
||
// HideTitle 隐藏标题栏
|
||
func (m *LCLBrowserWindow) HideTitle() {
|
||
m.WindowProperty().EnableHideCaption = true
|
||
//win.SetWindowLong(m.Handle(), win.GWL_STYLE, uintptr(win.GetWindowLong(m.Handle(), win.GWL_STYLE)&^win.WS_CAPTION))
|
||
//win.SetWindowPos(m.Handle(), 0, 0, 0, m.Width(), m.Height()+500, win.SWP_NOMOVE|win.SWP_NOZORDER|win.SWP_NOACTIVATE|win.SWP_FRAMECHANGED|win.SWP_DRAWFRAME)
|
||
//无标题栏情况会导致任务栏不能切换窗口，不知道为什么要这样设置一下
|
||
m.EnabledMaximize(false)
|
||
m.SetBorderStyle(types.BsNone)
|
||
|
||
}
|
||
|
||
// freeRgn
|
||
func (m *customWindowCaption) freeRgn() {
|
||
if m.rgn != nil {
|
||
WinSetRectRgn(m.rgn, 0, 0, 0, 0)
|
||
WinDeleteObject(m.rgn)
|
||
m.rgn.Free()
|
||
}
|
||
}
|
||
|
||
// freeRegions
|
||
func (m *customWindowCaption) freeRegions() {
|
||
if m.regions != nil {
|
||
m.regions.regions = nil
|
||
m.regions = nil
|
||
}
|
||
}
|
||
|
||
// free
|
||
func (m *customWindowCaption) free() {
|
||
if m != nil {
|
||
m.freeRgn()
|
||
m.freeRegions()
|
||
}
|
||
}
|
||
|
||
// onNCMouseMove NC 非客户区鼠标移动
|
||
func (m *customWindowCaption) onNCMouseMove(message *types.TMessage, lResult *types.LRESULT, aHandled *bool) {
|
||
if m.canCaption { // 当前在标题栏
|
||
} else if m.canBorder { // 当前在边框
|
||
*lResult = types.LRESULT(m.borderHT)
|
||
*aHandled = true
|
||
}
|
||
}
|
||
|
||
// onSetCursor 设置鼠标图标
|
||
func (m *customWindowCaption) onSetCursor(message *types.TMessage, lResult *types.LRESULT, aHandled *bool) {
|
||
if m.canBorder { //当前在边框
|
||
switch LOWORD(uint32(message.LParam)) {
|
||
case HTBOTTOMRIGHT, HTTOPLEFT: //右下 左上
|
||
*lResult = types.LRESULT(m.borderHT)
|
||
*aHandled = true
|
||
WinSetCursor(WinLoadCursor(0, IDC_SIZENWSE))
|
||
case HTRIGHT, HTLEFT: //右 左
|
||
*lResult = types.LRESULT(m.borderHT)
|
||
*aHandled = true
|
||
WinSetCursor(WinLoadCursor(0, IDC_SIZEWE))
|
||
case HTTOPRIGHT, HTBOTTOMLEFT: //右上 左下
|
||
*lResult = types.LRESULT(m.borderHT)
|
||
*aHandled = true
|
||
WinSetCursor(WinLoadCursor(0, IDC_SIZENESW))
|
||
case HTTOP, HTBOTTOM: //上 下
|
||
*lResult = types.LRESULT(m.borderHT)
|
||
*aHandled = true
|
||
WinSetCursor(WinLoadCursor(0, IDC_SIZENS))
|
||
}
|
||
}
|
||
}
|
||
|
||
// onCanBorder 鼠标是否在边框
|
||
func (m *customWindowCaption) onCanBorder(x, y int32, rect *types.TRect) (int, bool) {
|
||
if m.canBorder = x <= rect.Width() && x >= rect.Width()-angleRange && y <= angleRange; m.canBorder { // 右上
|
||
m.borderWMSZ = WMSZ_TOPRIGHT
|
||
m.borderHT = HTTOPRIGHT
|
||
return m.borderHT, true
|
||
} else if m.canBorder = x <= rect.Width() && x >= rect.Width()-angleRange && y <= rect.Height() && y >= rect.Height()-angleRange; m.canBorder { // 右下
|
||
m.borderWMSZ = WMSZ_BOTTOMRIGHT
|
||
m.borderHT = HTBOTTOMRIGHT
|
||
return m.borderHT, true
|
||
} else if m.canBorder = x <= angleRange && y <= angleRange; m.canBorder { //左上
|
||
m.borderWMSZ = WMSZ_TOPLEFT
|
||
m.borderHT = HTTOPLEFT
|
||
return m.borderHT, true
|
||
} else if m.canBorder = x <= angleRange && y >= rect.Height()-angleRange; m.canBorder { //左下
|
||
m.borderWMSZ = WMSZ_BOTTOMLEFT
|
||
m.borderHT = HTBOTTOMLEFT
|
||
return m.borderHT, true
|
||
} else if m.canBorder = x > angleRange && x < rect.Width()-angleRange && y <= borderRange; m.canBorder { //上
|
||
m.borderWMSZ = WMSZ_TOP
|
||
m.borderHT = HTTOP
|
||
return m.borderHT, true
|
||
} else if m.canBorder = x > angleRange && x < rect.Width()-angleRange && y >= rect.Height()-borderRange; m.canBorder { //下
|
||
m.borderWMSZ = WMSZ_BOTTOM
|
||
m.borderHT = HTBOTTOM
|
||
return m.borderHT, true
|
||
} else if m.canBorder = x <= borderRange && y > angleRange && y < rect.Height()-angleRange; m.canBorder { //左
|
||
m.borderWMSZ = WMSZ_LEFT
|
||
m.borderHT = HTLEFT
|
||
return m.borderHT, true
|
||
} else if m.canBorder = x <= rect.Width() && x >= rect.Width()-borderRange && y > angleRange && y < rect.Height()-angleRange; m.canBorder { // 右
|
||
m.borderWMSZ = WMSZ_RIGHT
|
||
m.borderHT = HTRIGHT
|
||
return m.borderHT, true
|
||
}
|
||
return 0, false
|
||
}
|
||
|
||
// onNCLButtonDown NC 鼠标左键按下
|
||
func (m *customWindowCaption) onNCLButtonDown(hWND types.HWND, message *types.TMessage, lResult *types.LRESULT, aHandled *bool) {
|
||
if m.canCaption { // 标题栏
|
||
x, y := m.toPoint(message)
|
||
*lResult = HTCAPTION
|
||
m.borderMD = true
|
||
*aHandled = true
|
||
win.ReleaseCapture()
|
||
rtl.PostMessage(hWND, WM_NCLBUTTONDOWN, HTCAPTION, rtl.MakeLParam(uint16(x), uint16(y)))
|
||
} else if m.canBorder { // 边框
|
||
x, y := m.toPoint(message)
|
||
*lResult = types.LRESULT(m.borderHT)
|
||
m.borderMD = true
|
||
*aHandled = true
|
||
win.ReleaseCapture()
|
||
rtl.PostMessage(hWND, WM_SYSCOMMAND, uintptr(SC_SIZE|m.borderWMSZ), rtl.MakeLParam(uint16(x), uint16(y)))
|
||
//rtl.PostMessage(hWND, WM_SYSCOMMAND, uintptr(SC_SIZE|m.borderWMSZ), 0)
|
||
}
|
||
}
|
||
|
||
// toPoint 转换XY坐标
|
||
func (m *customWindowCaption) toPoint(message *types.TMessage) (x, y int32) {
|
||
return GET_X_LPARAM(message.LParam), GET_Y_LPARAM(message.LParam)
|
||
}
|
||
|
||
// isCaption
|
||
// 鼠标是否在标题栏区域
|
||
//
|
||
// 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
|
||
func (m *customWindowCaption) isCaption(hWND types.HWND, message *types.TMessage) (int32, int32, bool) {
|
||
dx, dy := m.toPoint(message)
|
||
p := &types.TPoint{
|
||
X: dx,
|
||
Y: dy,
|
||
}
|
||
WinScreenToClient(hWND, p)
|
||
p.X -= m.bw.WindowParent().Left()
|
||
p.Y -= m.bw.WindowParent().Top()
|
||
if m.bw.WindowProperty().EnableWebkitAppRegion && m.rgn != nil {
|
||
m.canCaption = WinPtInRegion(m.rgn, p.X, p.Y)
|
||
} else {
|
||
m.canCaption = false
|
||
}
|
||
return p.X, p.Y, m.canCaption
|
||
}
|
||
|
||
// doOnRenderCompMsg
|
||
func (m *LCLBrowserWindow) doOnRenderCompMsg(message *types.TMessage, lResult *types.LRESULT, aHandled *bool) {
|
||
switch message.Msg {
|
||
case WM_NCLBUTTONDBLCLK: // 163 NC left dclick
|
||
//标题栏拖拽区域 双击最大化和还原
|
||
if m.cwcap.canCaption && m.WindowProperty().EnableWebkitAppRegionDClk {
|
||
*lResult = HTCAPTION
|
||
*aHandled = true
|
||
win.ReleaseCapture()
|
||
m.windowProperty.windowState = m.WindowState()
|
||
if m.windowProperty.windowState == types.WsNormal {
|
||
rtl.PostMessage(m.Handle(), WM_SYSCOMMAND, SC_MAXIMIZE, 0)
|
||
} else {
|
||
rtl.PostMessage(m.Handle(), WM_SYSCOMMAND, SC_RESTORE, 0)
|
||
}
|
||
rtl.SendMessage(m.Handle(), WM_NCLBUTTONUP, HTCAPTION, 0)
|
||
}
|
||
case WM_NCLBUTTONDOWN: // 161 nc left down
|
||
m.cwcap.onNCLButtonDown(m.Handle(), message, lResult, aHandled)
|
||
case WM_NCLBUTTONUP: // 162 nc l up
|
||
if m.cwcap.canCaption {
|
||
*lResult = HTCAPTION
|
||
*aHandled = true
|
||
}
|
||
case WM_NCMOUSEMOVE: // 160 nc mouse move
|
||
m.cwcap.onNCMouseMove(message, lResult, aHandled)
|
||
case WM_SETCURSOR: // 32 设置鼠标图标样式
|
||
m.cwcap.onSetCursor(message, lResult, aHandled)
|
||
case WM_NCHITTEST: // 132 NCHITTEST
|
||
if m.cwcap.borderMD { //TODO 测试windows7, 161消息之后再次处理132消息导致消息错误
|
||
m.cwcap.borderMD = false
|
||
return
|
||
}
|
||
//鼠标坐标是否在标题区域
|
||
x, y, caption := m.cwcap.isCaption(m.Handle(), message)
|
||
if caption { //窗口标题栏
|
||
*lResult = HTCAPTION
|
||
*aHandled = true
|
||
} else if m.WindowProperty().EnableHideCaption && m.WindowProperty().EnableResize && m.WindowState() == types.WsNormal { //1.窗口隐藏标题栏 2.启用了调整窗口大小 3.非最大化、最小化、全屏状态
|
||
rect := m.BoundsRect()
|
||
if result, handled := m.cwcap.onCanBorder(x, y, &rect); handled {
|
||
*lResult = types.LRESULT(result)
|
||
*aHandled = true
|
||
}
|
||
}
|
||
}
|
||
}
|
||
|
||
// setDraggableRegions
|
||
// 每一次拖拽区域改变都需要重新设置
|
||
func (m *LCLBrowserWindow) setDraggableRegions() {
|
||
//在主线程中运行
|
||
QueueAsyncCall(func(id int) {
|
||
if m.cwcap.rgn == nil {
|
||
//第一次时创建RGN
|
||
m.cwcap.rgn = WinCreateRectRgn(0, 0, 0, 0)
|
||
} else {
|
||
//每次重置RGN
|
||
WinSetRectRgn(m.cwcap.rgn, 0, 0, 0, 0)
|
||
}
|
||
for i := 0; i < m.cwcap.regions.RegionsCount(); i++ {
|
||
region := m.cwcap.regions.Region(i)
|
||
creRGN := WinCreateRectRgn(region.Bounds.X, region.Bounds.Y, region.Bounds.X+region.Bounds.Width, region.Bounds.Y+region.Bounds.Height)
|
||
if region.Draggable {
|
||
WinCombineRgn(m.cwcap.rgn, m.cwcap.rgn, creRGN, consts.RGN_OR)
|
||
} else {
|
||
WinCombineRgn(m.cwcap.rgn, m.cwcap.rgn, creRGN, consts.RGN_DIFF)
|
||
}
|
||
WinDeleteObject(creRGN)
|
||
}
|
||
})
|
||
}
|
||
|
||
// registerWindowsCompMsgEvent
|
||
// 注册windows下CompMsg事件
|
||
func (m *LCLBrowserWindow) registerWindowsCompMsgEvent() {
|
||
var bwEvent = BrowserWindow.browserEvent
|
||
m.chromium.SetOnRenderCompMsg(func(sender lcl.IObject, message *types.TMessage, lResult *types.LRESULT, aHandled *bool) {
|
||
if bwEvent.onRenderCompMsg != nil {
|
||
bwEvent.onRenderCompMsg(sender, message, lResult, aHandled)
|
||
}
|
||
if !*aHandled {
|
||
m.doOnRenderCompMsg(message, lResult, aHandled)
|
||
}
|
||
})
|
||
if m.WindowProperty().EnableWebkitAppRegion && m.WindowProperty().EnableWebkitAppRegionDClk {
|
||
m.windowResize = func(sender lcl.IObject) bool {
|
||
if m.WindowState() == types.WsMaximized && (m.WindowProperty().EnableHideCaption || m.BorderStyle() == types.BsNone || m.BorderStyle() == types.BsSingle) {
|
||
var monitor = m.Monitor().WorkareaRect()
|
||
m.SetBounds(monitor.Left, monitor.Top, monitor.Right-monitor.Left, monitor.Bottom-monitor.Top)
|
||
m.SetWindowState(types.WsMaximized)
|
||
}
|
||
return false
|
||
}
|
||
}
|
||
|
||
//if m.WindowProperty().EnableWebkitAppRegion {
|
||
//
|
||
//} else {
|
||
// if bwEvent.onRenderCompMsg != nil {
|
||
// m.chromium.SetOnRenderCompMsg(bwEvent.onRenderCompMsg)
|
||
// }
|
||
//}
|
||
}
|
||
|
||
// Maximize Windows平台，窗口最大化/还原
|
||
func (m *LCLBrowserWindow) Maximize() {
|
||
if m.TForm == nil {
|
||
return
|
||
}
|
||
QueueAsyncCall(func(id int) {
|
||
win.ReleaseCapture()
|
||
m.windowProperty.windowState = m.WindowState()
|
||
if m.windowProperty.windowState == types.WsNormal {
|
||
rtl.PostMessage(m.Handle(), WM_SYSCOMMAND, SC_MAXIMIZE, 0)
|
||
} else {
|
||
rtl.SendMessage(m.Handle(), WM_SYSCOMMAND, SC_RESTORE, 0)
|
||
}
|
||
})
|
||
}
|
||
|
||
// 窗口透明
|
||
//func (m *LCLBrowserWindow) SetTransparentColor() {
|
||
// m.SetColor(colors.ClNavy)
|
||
// Exstyle := win.GetWindowLong(m.Handle(), win.GWL_EXSTYLE)
|
||
// Exstyle = Exstyle | win.WS_EX_LAYERED&^win.WS_EX_TRANSPARENT
|
||
// win.SetWindowLong(m.Handle(), win.GWL_EXSTYLE, uintptr(Exstyle))
|
||
// win.SetLayeredWindowAttributes(m.Handle(),
|
||
// colors.ClNavy, //crKey 指定需要透明的背景颜色值
|
||
// 255, //bAlpha 设置透明度,0完全透明，255不透明
|
||
// //LWA_ALPHA: crKey无效,bAlpha有效
|
||
// //LWA_COLORKEY: 窗体中的所有颜色为crKey的地方全透明，bAlpha无效
|
||
// //LWA_ALPHA | LWA_COLORKEY: crKey的地方全透明，其它地方根据bAlpha确定透明度
|
||
// win.LWA_ALPHA|win.LWA_COLORKEY)
|
||
//}
|