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package main
import (
"errors"
"fmt"
"log"
"os"
"path/filepath"
"strings"
"time"
"fyne.io/fyne/v2"
"fyne.io/fyne/v2/app"
"fyne.io/fyne/v2/container"
"fyne.io/fyne/v2/dialog"
"fyne.io/fyne/v2/widget"
)
const (
appID = "org.buetow.quicklogger"
placeholderText = "Enter text here..."
maxTextLength = 5000 // Limit text length to prevent performance issues
)
const defaultDirectory = "."
var windowSize = fyne.NewSize(400, 100)
type sharedTextLoadMode int
const (
sharedTextLoadPrefill sharedTextLoadMode = iota
sharedTextLoadAutoLog
)
// logEntry writes text to a timestamped markdown file in dir.
// Separates persistence logic from the UI so it can be tested independently.
func logEntry(dir, text string) error {
filename := filepath.Join(dir, "ql-"+time.Now().Format("060102-150405")+".md")
return os.WriteFile(filename, []byte(text), 0o644)
}
// prepareSharedTextLoad validates shared text and decides whether to prefill
// the editor or log the entry immediately.
func prepareSharedTextLoad(text string, autoLog bool) (sharedTextLoadMode, string, bool) {
if strings.TrimSpace(text) == "" {
return sharedTextLoadPrefill, "", false
}
if autoLog {
return sharedTextLoadAutoLog, text, true
}
return sharedTextLoadPrefill, text, true
}
// newInputWidget creates the multi-line text entry with platform-appropriate
// wrapping and row count settings.
func newInputWidget() *widget.Entry {
input := widget.NewMultiLineEntry()
input.SetPlaceHolder(placeholderText)
// On mobile, disable word wrapping and reduce visible rows to limit
// expensive recalculations and rendering area.
if fyne.CurrentDevice().IsMobile() {
input.Wrapping = fyne.TextWrapOff
input.SetMinRowsVisible(10)
} else {
input.Wrapping = fyne.TextWrapWord
input.SetMinRowsVisible(30)
}
return input
}
func createPreferenceWindow(a fyne.App) fyne.Window {
window := a.NewWindow("Preferences")
directoryPreference := widget.NewEntry()
directoryPreference.SetText(a.Preferences().StringWithFallback("Directory", defaultDirectory))
autoLogSharedTextPreference := widget.NewCheck("Auto-log shared text", nil)
autoLogSharedTextPreference.SetChecked(a.Preferences().BoolWithFallback("AutoLogSharedText", false))
window.SetContent(container.NewVBox(
container.NewVBox(
widget.NewLabel("Directory:"),
directoryPreference,
),
autoLogSharedTextPreference,
container.NewHBox(
widget.NewButton("Save", func() {
a.Preferences().SetString("Directory", directoryPreference.Text)
a.Preferences().SetBool("AutoLogSharedText", autoLogSharedTextPreference.Checked)
window.Hide()
}),
)))
window.Resize(windowSize)
return window
}
func createMainWindow(a fyne.App) fyne.Window {
window := a.NewWindow("Quick logger")
input := newInputWidget()
charCount := widget.NewLabel("0 chars")
// Track whether the length warning has been shown so we don't fire a
// modal dialog on every keystroke above the limit.
warnShown := false
loadingSharedText := false
input.OnChanged = func(text string) {
charCount.SetText(fmt.Sprintf("%d chars", len(text)))
if loadingSharedText {
warnShown = false
return
}
if len(text) > maxTextLength && !warnShown {
warnShown = true
dialog.ShowInformation("Text Limit",
fmt.Sprintf("Text is getting long (%d chars). Consider logging to avoid performance issues.", len(text)),
window)
} else if len(text) <= maxTextLength {
warnShown = false
}
}
// resetInput clears the text entry and character count.
resetInput := func() {
input.SetText("")
charCount.SetText("0 chars")
}
logTextButton := widget.NewButton("Log text", func() {
dir := a.Preferences().StringWithFallback("Directory", defaultDirectory)
if err := logEntry(dir, input.Text); err != nil {
dialog.ShowError(err, window)
return
}
resetInput()
})
clearButton := widget.NewButton("Clear", func() {
resetInput()
window.Canvas().Focus(input)
})
// loadSharedText reads Android-shared text from cache and populates the input.
// Used both at startup and when the app returns to the foreground.
// A missing cache file is expected (no share pending); real errors are logged.
loadSharedText := func() {
txt, err := readSharedFromCache()
if err != nil {
if !errors.Is(err, os.ErrNotExist) {
log.Printf("readSharedFromCache: %v", err)
}
return
}
mode, sharedText, ok := prepareSharedTextLoad(txt, a.Preferences().BoolWithFallback("AutoLogSharedText", false))
if !ok {
return
}
loadingSharedText = true
defer func() {
loadingSharedText = false
}()
if mode == sharedTextLoadAutoLog {
dir := a.Preferences().StringWithFallback("Directory", defaultDirectory)
if err := logEntry(dir, sharedText); err != nil {
dialog.ShowError(err, window)
return
}
dialog.ShowInformation("Logged", "Shared text has been logged.", window)
resetInput()
return
}
input.SetText(sharedText)
charCount.SetText(fmt.Sprintf("%d chars", len(sharedText)))
window.Canvas().Focus(input)
}
if fyne.CurrentDevice().IsMobile() {
loadSharedText()
}
window.SetContent(container.NewVBox(
input,
container.NewHBox(
logTextButton,
clearButton,
widget.NewButton("Preferences", func() {
createPreferenceWindow(a).Show()
}),
charCount,
),
))
window.Resize(windowSize)
window.Canvas().Focus(input)
// On Android, also check for new shared text whenever app returns to foreground.
if lc := a.Lifecycle(); lc != nil {
lc.SetOnEnteredForeground(loadSharedText)
}
return window
}
func main() {
createMainWindow(app.NewWithID(appID)).ShowAndRun()
}
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