ml
138 lines
3.3 KiB
Go
138 lines
3.3 KiB
Go
package external
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import (
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"github.com/inkyblackness/imgui-go/v3"
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"github.com/sqweek/dialog"
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"github.com/inkyblackness/hacked/ui/gui"
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)
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// SingleFileHandler is a callback for a single selected file.
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type SingleFileHandler func(string) error
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type singleFileRunner func(*dialog.FileBuilder) (string, error)
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// SaveFile starts a dialog series to save a file.
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func SaveFile(machine gui.ModalStateMachine, types []TypeInfo, callback SingleFileHandler) {
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machine.SetState(&fileStartState{
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machine: machine,
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title: "Save",
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typeInfo: types,
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runner: func(builder *dialog.FileBuilder) (string, error) { return builder.Save() },
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callback: callback,
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})
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}
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// LoadFile starts a dialog series to load a file.
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func LoadFile(machine gui.ModalStateMachine, types []TypeInfo, callback SingleFileHandler) {
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machine.SetState(&fileStartState{
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machine: machine,
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title: "Load",
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typeInfo: types,
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runner: func(builder *dialog.FileBuilder) (string, error) { return builder.Load() },
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callback: callback,
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})
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}
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type fileStartState struct {
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machine gui.ModalStateMachine
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title string
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typeInfo []TypeInfo
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runner singleFileRunner
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callback SingleFileHandler
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}
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func (state fileStartState) HandleFiles(names []string) {
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}
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func (state fileStartState) Render() {
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imgui.OpenPopup(state.title)
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nextState := &fileWaitingState{
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machine: state.machine,
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title: state.title,
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typeInfo: state.typeInfo,
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runner: state.runner,
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callback: state.callback,
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}
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state.machine.SetState(nextState)
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}
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type fileWaitingState struct {
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machine gui.ModalStateMachine
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title string
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typeInfo []TypeInfo
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runner singleFileRunner
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callback SingleFileHandler
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renderCount int
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shouldOpenDialog bool
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problem string
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}
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func (state *fileWaitingState) HandleFiles(names []string) {
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}
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func (state *fileWaitingState) Render() {
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if imgui.BeginPopupModalV(state.title, nil,
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imgui.WindowFlagsNoResize|imgui.WindowFlagsNoMove|imgui.WindowFlagsNoSavedSettings|imgui.WindowFlagsAlwaysAutoResize) {
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if len(state.problem) == 0 {
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imgui.Text("Please use popup dialog...")
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} else {
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imgui.PushStyleColor(imgui.StyleColorText, imgui.Vec4{X: 1, Y: 0, Z: 0, W: 1})
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imgui.Text(state.problem)
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imgui.PopStyleColor()
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}
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state.renderControls()
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imgui.EndPopup()
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state.renderCount++
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if state.renderCount == 3 {
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state.shouldOpenDialog = true
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}
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if state.shouldOpenDialog {
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state.shouldOpenDialog = false
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state.openDialog()
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}
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} else {
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state.machine.SetState(nil)
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}
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}
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func (state *fileWaitingState) renderControls() {
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imgui.Separator()
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if imgui.Button("Browse...") {
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state.shouldOpenDialog = true
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}
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imgui.SameLine()
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if imgui.Button("Cancel") {
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state.machine.SetState(nil)
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imgui.CloseCurrentPopup()
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}
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}
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func (state *fileWaitingState) openDialog() {
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dlgBuilder := dialog.File()
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for _, info := range state.typeInfo {
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dlgBuilder = dlgBuilder.Filter(info.Title, info.Extensions...)
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}
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dlgBuilder = dlgBuilder.Filter("All files (*.*)", "*")
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filename, err := state.runner(dlgBuilder)
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state.machine.SetState(nil)
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if err != nil {
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return
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}
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state.reportFile(filename)
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}
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func (state *fileWaitingState) reportFile(filename string) {
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state.problem = ""
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err := state.callback(filename)
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if err != nil {
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state.problem = "Previous attempt failed.\nPlease check and try again.\nReason:\n" + err.Error()
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state.machine.SetState(state)
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}
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}
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