115 lines
2.9 KiB
Go
115 lines
2.9 KiB
Go
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package rofi
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import (
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"bufio"
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"encoding/json"
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"fmt"
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"os"
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)
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var (
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// InputChangeCallback called when the user types somthing in
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InputChangeCallback func(Input)
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// CustomKeyCallback idk
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CustomKeyCallback func(Input)
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// ActivateEntryCallback when the user press enter on an entry
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ActivateEntryCallback func(Input)
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// SelectEntryCallback when a user selects a entry via arrow keys
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SelectEntryCallback func(Input)
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// DeleteEntryCallback idk
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DeleteEntryCallback func(Input)
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// CustomInputCallback idk
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CustomInputCallback func(Input)
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)
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// Output json to send to rofi
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type Output struct {
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Message string `json:"message,omitempty"` // Sets rofi message, hides it if empty or null
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Overlay string `json:"overlay,omitempty"` // Shows overlay with text, hides it if empty or null
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Prompt string `json:"prompt,omitempty"` // sets prompt text
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Input string `json:"input,omitempty"` // sets input text, to clear use empty string
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InputAction string `json:"input action,omitempty"` // "send" or "filter"
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EventFormat string `json:"event format,omitempty"` // event format used to send to input
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Lines []Line `json:"lines"` // a list of sting or json object to set rofi list content
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}
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// Line a single entry
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type Line struct {
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Text string `json:"text,required"`
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Urgent bool `json:"urgent,omitempty"`
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Highlight bool `json:"highlight,omitempty"`
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Markup bool `json:"markup,omitempty"`
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Icon string `json:"icon,omitempty"`
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}
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// Input send when the user types something
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type Input struct {
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Name string `json:"name"`
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Value string `json:"value"`
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}
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// ConvertStringsToLine converts a string array to Line array with all flags set to false
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func ConvertStringsToLine(strings []string) []Line {
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lines := make([]Line, len(strings))
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for i, v := range strings {
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lines[i] = Line{v, false, false, false, ""}
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}
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return lines
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}
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// SendOutput sends output to rofi
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func SendOutput(output Output) {
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res, _ := json.Marshal(output)
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fmt.Printf("%s\n", res)
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}
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// NewOutput helper for a new empty outout
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func NewOutput() Output {
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return Output{"", "", "", "", "", "", []Line{}}
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}
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// InputLoop blocking loop to handle incomming json
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func InputLoop() {
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scanner := bufio.NewScanner(os.Stdin)
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for scanner.Scan() {
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var input Input
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bytes := scanner.Bytes()
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json.Unmarshal(bytes, &input)
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handleInput(input)
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}
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}
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func handleInput(input Input) {
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switch input.Name {
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case "input change":
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if InputChangeCallback != nil {
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InputChangeCallback(input)
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}
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case "custom key":
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if CustomKeyCallback != nil {
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CustomKeyCallback(input)
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}
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case "active entry":
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if ActivateEntryCallback != nil {
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ActivateEntryCallback(input)
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}
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case "select entry":
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if SelectEntryCallback != nil {
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SelectEntryCallback(input)
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}
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case "delete entry":
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if DeleteEntryCallback != nil {
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DeleteEntryCallback(input)
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}
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case "exec custom input":
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if CustomInputCallback != nil {
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CustomInputCallback(input)
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}
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}
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}
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