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package ctfc
import (
"time"
"gitlab.com/Syndamia/ctfc/go-src/csi"
ctfcmath "gitlab.com/Syndamia/ctfc/go-src/ctfcMath"
"gitlab.com/Syndamia/ctfc/go-src/ui"
)
/* Pagination */
const pageSize = 15
func totalPages(messageAmount int) int {
return ctfcmath.CeilDivInt(messageAmount, pageSize)
}
func paginate(page int, messages ...string) []string {
return messages[ctfcmath.MaxInt(len(messages)-pageSize*page, 0) : len(messages)-pageSize*(page-1)]
}
// Must be run in a routine ( go routinePaginatedSubwindow(...) )
// There must be empty lines for the subwindow
func routinePaginatedSubwindow(messages *[]string, updateMessages func(*[]string), lastLine *int, page int, customLinesBelow int, numbered bool) {
for *lastLine > -2 {
// Update messages, if we've already shown the last message
if *lastLine == len(*messages)-1 {
updateMessages(messages)
continue
}
*lastLine = len(*messages) - 1
csi.SaveCursorPosition()
csi.MoveCursorUpN(pageSize + 1 + customLinesBelow)
csi.MoveCursorToBeginningOfLine()
pageMessages := paginate(page, *messages...)
// Leaves empty lines at the top, if there aren't enough messages to fill a full page
// Works on the assumption that there are ui.EmptyLine(), where messages would be printed
for i := 0; i < pageSize-len(pageMessages); i++ {
csi.MoveCursorDown()
}
if numbered {
ui.NumberedFields(pageMessages...)
} else {
ui.TextFields(pageMessages...)
}
ui.PageField(page, totalPages(len(*messages)))
csi.RestoreCursorPosition()
time.Sleep(500 * time.Millisecond)
}
}
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