系统对话框
2024-05-14 09:23:44
代码示例：
package main
import (
"fmt"
"github.com/sqweek/dialog"
)
func main() {
// 在浏览器窗口初始化回调中注册IPC事件
cef.BrowserWindow.SetBrowserInit(func(event *cef.BrowserEvent, window cef.IBrowserWindow) {
// 系统消息提示框目前仅能在LCL窗口组件下使用
// LCL 各种系统组件需要在UI线程中执行, 但ipc.on非UI线程
// 所以需要使用 QueueAsyncCall 包裹在UI线程中执行
if window.IsLCL() { // LCL window from
bw := window.AsLCLBrowserWindow().BrowserWindow()
//替换对话框
replaceDialog := lcl.NewReplaceDialog(bw)
replaceDialog.SetOnFind(func(sender lcl.IObject) {
fmt.Println("FindText:", replaceDialog.FindText(), ", Relpace: ", replaceDialog.ReplaceText())
opt := replaceDialog.Options()
/*
FrDown = iota + 0
FrFindNext
FrHideMatchCase
FrHideWholeWord
FrHideUpDown
FrMatchCase
FrDisableMatchCase
FrDisableUpDown
FrDisableWholeWord
FrReplace
FrReplaceAll
FrWholeWord
FrShowHelp
*/
if opt.In(types.FrDown) {
fmt.Println("向下")
} else {
fmt.Println("向上")
}
if opt.In(types.FrFindNext) {
fmt.Println("查找下一个")
}
if opt.In(types.FrMatchCase) {
fmt.Println("区分大小写")
}
})
replaceDialog.SetOnReplace(func(sender lcl.IObject) {
opt := replaceDialog.Options()
if opt.In(types.FrReplaceAll) {
fmt.Println("替换全部")
}
if opt.In(types.FrReplace) {
fmt.Println("替换一次")
}
fmt.Println("替换字符：", replaceDialog.ReplaceText())
})
//页面步骤对话框
dlPageSetupDialog := lcl.NewPageSetupDialog(bw)
//打印步骤对话框
dlPrinterSetupDialog := lcl.NewPrinterSetupDialog(bw)
//查找对话框
findDialog := lcl.NewFindDialog(bw)
findDialog.SetOnFind(func(sender lcl.IObject) {
fmt.Println("FindText: ", findDialog.FindText())
opt := findDialog.Options()
/*
FrDown = iota + 0
FrFindNext
FrHideMatchCase
FrHideWholeWord
FrHideUpDown
FrMatchCase
FrDisableMatchCase
FrDisableUpDown
FrDisableWholeWord
FrReplace
FrReplaceAll
FrWholeWord
FrShowHelp
*/
if opt.In(types.FrDown) {
fmt.Println("向下")
} else {
fmt.Println("向上")
}
if opt.In(types.FrFindNext) {
fmt.Println("查找下一个")
}
if opt.In(types.FrMatchCase) {
fmt.Println("区分大小写")
}
})
//选择目录对话框
dlSelDirdlg := lcl.NewSelectDirectoryDialog(bw)
var (
dlPicSave *lcl.TSavePictureDialog
dlPicOpen *lcl.TOpenPictureDialog
)
// VF 窗口，在linux不能使用它，还不知道是什么原因...
if !common.IsLinux() && !app.IsMessageLoop() {
dlPicSave = lcl.NewSavePictureDialog(bw)
dlPicOpen = lcl.NewOpenPictureDialog(bw)
}
//颜色对话框
dlColor := lcl.NewColorDialog(bw)
//字体对话框
dlFont := lcl.NewFontDialog(bw)
//保存文件对话框
dlSave := lcl.NewSaveDialog(bw)
dlSave.SetFilter("文本文件(*.txt)|*.txt|所有文件(*.*)|*.*")
dlSave.SetOptions(dlSave.Options().Include(types.OfShowHelp))
dlSave.SetTitle("保存")
//打开文件对话框
dlgOpen := lcl.NewOpenDialog(bw)
dlgOpen.SetFilter("文本文件(*.txt)|*.txt|所有文件(*.*)|*.*")
// dlgOpen.SetInitialDir()
// dlgOpen.SetFilterIndex()
dlgOpen.SetOptions(dlgOpen.Options().Include(types.OfShowHelp, types.OfAllowMultiSelect)) //rtl.Include(, types.OfShowHelp))
dlgOpen.SetTitle("打开")
//信号-显示对话框
ipc.On("showDialog", func(t int) {
window.RunOnMainThread(func() {
fmt.Println("call-1-DMainThreadId:", api.DMainThreadId(), api.DCurrentThreadId())
//cef.QueueAsyncCall(func(id int) {
switch t {
case 1: // InputComboEx
fmt.Println(lcl.InputComboEx("选择", "请选择一项："+strings.Repeat(" ", 50), []string{"第一项", "第二项", "第三项", "第四项"}, false))
case 2: // InputCombo
fmt.Println(lcl.InputCombo("选择", "请选择一项："+strings.Repeat(" ", 50), []string{"第一项", "第二项", "第三项", "第四项"}))
case 3: // PasswordBox
fmt.Println(lcl.PasswordBox("输入", "请输入密码："))
case 4: // PageSetup Dialog
dlPageSetupDialog.Execute()
case 5: // PrinterSetup Dialog
dlPrinterSetupDialog.Execute()
case 6: // InputQuery
s := "default"
if lcl.InputQuery("标题", "提示", &s) {
fmt.Println("结果：", s)
}
case 7: // InputBox
s := lcl.InputBox("标题", "提示", "默认值")
if s != "" {
fmt.Println("结果：", s)
}
case 8: // ReplaceDialog
replaceDialog.Execute()
case 9: // FindDialog
findDialog.Execute()
case 10: // SelectDirectory1
if ok, dir := lcl.SelectDirectory1(0); ok {
fmt.Println("选择的目录为：", dir)
}
case 11: // SelectDirectory2
if ok, dir := lcl.SelectDirectory2("标题了", "C:/", true); ok {
fmt.Println("选择的目录为：", dir)
}
case 12: // Select Directory Dialog
if dlSelDirdlg.Execute() {
fmt.Println("Name: ", dlSelDirdlg.FileName())
}
case 13: // SavePic Dialog
if dlPicSave != nil && dlPicSave.Execute() {
fmt.Println("Name: ", dlPicSave.FileName())
}
case 14: // OpenPic Dialog
if dlPicOpen != nil && dlPicOpen.Execute() {
fmt.Println("Name: ", dlPicOpen.FileName())
}
case 15: // Color Dialog
if dlColor.Execute() {
fmt.Println("Color: ", dlColor.Color())
}
case 16: // Font Dialog
if dlFont.Execute() {
fmt.Println("Name: ", dlFont.Font().Name())
}
case 17: // Save Dialog
if dlSave.Execute() {
fmt.Println("filename: ", dlSave.FileName())
}
case 18: // Open Dialog
if dlgOpen.Execute() {
fmt.Println("filename: ", dlgOpen.FileName())
}
}
})
})
} else { // VF window
// 可配合 Chromium().SetOnFileDialog 回调函数使用
// window.Chromium().SetOnFileDialog(func(sender lcl.IObject, browser *cef.ICefBrowser, mode consts.FileDialogMode, title, defaultFilePath string, acceptFilters *lcl.TStrings, callback *cef.ICefFileDialogCallback) bool {
// fmt.Println("Chromium SetOnFileDialog", mode, title, defaultFilePath, "acceptFilters:", acceptFilters.Count())
// acceptFilters.Add(".png")
// callback.Cont([]string{"/file/to/path/file.xx"}) // 设置选择的文件
// return true
// })
// 定义 dialog 回调函数
callback := cef.RunFileDialogCallbackRef.New()
callback.SetOnFileDialogDismissed(func(filePaths *lcl.TStrings) {
for i := 0; i < int(filePaths.Count()); i++ {
path := filePaths.Strings(int32(i))
fmt.Println(path)
}
})
ipc.On("showDialog", func(t int) {
switch t {
case 1:
window.Chromium().Browser().RunFileDialog(consts.FILE_DIALOG_OPEN_FOLDER, "打开文件夹", "", nil, callback)
case 2:
acceptFilters := lcl.NewStringList()
acceptFilters.Add(".png")
window.Chromium().Browser().RunFileDialog(consts.FILE_DIALOG_SAVE, "保存图片", "", acceptFilters, callback)
case 3:
acceptFilters := lcl.NewStringList()
acceptFilters.Add(".png")
window.Chromium().Browser().RunFileDialog(consts.FILE_DIALOG_OPEN, "打开图片", "", acceptFilters, callback)
case 4:
window.Chromium().Browser().RunFileDialog(consts.FILE_DIALOG_SAVE, "打开", "", nil, callback)
case 5:
window.Chromium().Browser().RunFileDialog(consts.FILE_DIALOG_OPEN, "保存", "", nil, callback)
}
})
}
})
}