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f289c9cd06f7d5ff99117c4030f0a879a3883c28
cbconvert/cmd/cbconvert-gui/widgets.go
T
Milan Nikolic 0439a2edde Add NoUpscale option
2026-06-24 23:39:03 +02:00

656 lines
22 KiB
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package main
import (
"bytes"
"fmt"
"image/gif"
"net/url"
"strconv"
"strings"
"github.com/gen2brain/cbconvert"
"github.com/gen2brain/iup-go/iup"
)
func setEffort(format string) {
val := iup.GetHandle("Effort")
var name string
switch format {
case "webp":
val.SetAttributes("MIN=0, MAX=6, SHOWTICKS=7, VALUE=4")
val.SetAttribute("TIP", "WEBP method, higher is better/slower (0-6, default 4)")
name = "Method"
case "avif":
val.SetAttributes("MIN=0, MAX=10, SHOWTICKS=11, VALUE=10")
val.SetAttribute("TIP", "AVIF speed, higher is faster/worse (0-10, default 10)")
name = "Speed"
case "jxl":
val.SetAttributes("MIN=1, MAX=10, SHOWTICKS=10, VALUE=7")
val.SetAttribute("TIP", "JXL effort, higher is better/slower (1-10, default 7)")
name = "Effort"
default:
return
}
val.SetAttribute("EFFORTNAME", name)
iup.GetHandle("LabelEffort").SetAttribute("TITLE", fmt.Sprintf("%s: %d", name, val.GetInt("VALUE")))
iup.Refresh(iup.GetHandle("LabelEffort"))
}
// tableRowColors sets the alternating row colors for dark or light mode.
func tableRowColors(t iup.Ihandle, dark bool) {
even, odd := "#F0F0F0", "#FFFFFF"
if dark {
even, odd = "#3A3A3A", "#2D2D2D"
}
t.SetAttribute("EVENROWCOLOR", even)
t.SetAttribute("ODDROWCOLOR", odd)
}
func list() iup.Ihandle {
t := iup.Table().SetHandle("Table")
t.SetAttributes(map[string]string{
"EXPAND": "YES",
"NUMCOL": "3",
"NUMLIN": "0",
"TITLE1": "Title",
"TITLE2": "Type",
"TITLE3": "Size (MiB)",
"WIDTH1": "150",
"WIDTH2": "50",
"WIDTH3": "100",
"ALIGNMENT2": "ACENTER",
"ALIGNMENT3": "ARIGHT",
"SELECTIONMODE": "SINGLE",
"USERRESIZE": "YES",
"STRETCHLAST": "NO",
"FOCUSRECT": "NO",
"SORTABLE": "YES",
"ALTERNATECOLOR": "YES",
})
tableRowColors(t, iup.GetGlobal("DARKMODE") == "YES" && iup.GetGlobal("AUTODARKMODE") == "YES")
t.SetCallback("ENTERITEM_CB", iup.EnterItemFunc(func(ih iup.Ihandle, lin, col int) int {
index = lin - 1
setActive()
previewPost()
return iup.DEFAULT
}))
t.SetCallback("SORT_CB", iup.TableSortFunc(onSort))
t.SetCallback("DROPFILES_CB", iup.DropFilesFunc(func(ih iup.Ihandle, fileName string, num, x, y int) int {
dec, err := url.QueryUnescape(fileName)
if err != nil {
iup.PostMessage(iup.GetHandle("dlg"), err.Error(), 0, 0)
fmt.Println(err)
return iup.DEFAULT
}
conv := cbconvert.New(options())
fs, err := conv.Files([]string{dec})
if err != nil {
iup.PostMessage(iup.GetHandle("dlg"), err.Error(), 0, 0)
fmt.Println(err)
return iup.DEFAULT
}
wasEmpty := len(files) == 0
for _, file := range fs {
appendFile(file)
}
if wasEmpty && len(files) > 0 {
selectRow(0)
}
setActive()
if wasEmpty {
previewPost()
}
return iup.DEFAULT
}))
return iup.Vbox(t)
}
func previewSize() (int, int) {
var width, height int
sp := strings.Split(iup.GetHandle("Preview").GetAttribute("RASTERSIZE"), "x")
if len(sp) == 2 {
width, _ = strconv.Atoi(sp[0])
height, _ = strconv.Atoi(sp[1])
}
return width, height
}
func preview() iup.Ihandle {
return iup.Frame(
iup.Vbox(
iup.Label("").SetAttributes("EXPAND=YES, ALIGNMENT=ACENTER, MINSIZE=400x, IMAGE=cover").SetHandle("Preview").
SetCallback("POSTMESSAGE_CB", iup.PostMessageFunc(func(ih iup.Ihandle, s string, i int, p any) int {
img := p.(cbconvert.Image)
iup.GetHandle("Loading").SetAttributes("VISIBLE=NO, STOP=YES")
if img.Image != nil && len(s) == 0 {
iup.Destroy(iup.GetHandle("cover"))
iup.ImageFromImage(img.Image).SetHandle("cover")
ih.SetAttribute("IMAGE", "cover")
iup.GetHandle("PreviewInfo").SetAttribute("TITLE", fmt.Sprintf("%s (%dx%d)", img.SizeHuman, img.Width, img.Height))
} else {
ih.SetAttribute("IMAGE", "logo")
iup.GetHandle("PreviewInfo").SetAttribute("TITLE", "")
sp := strings.Split(s, ": ")
if len(sp) > 1 {
iup.MessageError(ih, fmt.Sprintf("%s\n\n%s", sp[0], strings.Join(sp[1:], ": ")))
}
}
return iup.DEFAULT
})),
iup.Label("").SetAttributes("EXPAND=HORIZONTAL, ALIGNMENT=ACENTER").SetHandle("PreviewInfo"),
),
)
}
func tabInput() iup.Ihandle {
return iup.Hbox(
iup.Vbox(
iup.Toggle(" Recurse SubDirectories").SetHandle("Recursive").
SetAttributes(`TIP="Process subdirectories recursively"`),
iup.Toggle(" Only Grayscale Images").SetHandle("NoRGB").
SetAttributes(`TIP="Do not convert images that have RGB colorspace"`),
iup.Toggle(" Exclude Cover").SetHandle("NoCover").
SetAttributes(`TIP="Do not convert the cover image"`),
iup.Toggle(" Remove Non-Image Files from the Archive").SetHandle("NoNonImage").
SetAttribute("TIP", "Remove .nfo, .xml, .txt files from the archive"),
iup.Toggle(" Do not Transform or Convert Images").SetHandle("NoConvert").
SetAttributes(`TIP="Copy images from archive or directory without modifications"`).
SetCallback("VALUECHANGED_CB", iup.ValueChangedFunc(func(ih iup.Ihandle) int {
setActive()
return iup.DEFAULT
})),
).SetAttributes("NGAP=10"),
iup.Space().SetAttribute("SIZE", "15"),
iup.Vbox(
iup.Vbox(
iup.Label("Minimum Size (MiB):"),
iup.Text().SetAttributes(`SPIN=YES, SPINMAX=2048, VISIBLECOLUMNS=4, MASK="/d*"`).SetHandle("Size").
SetAttributes(`TIP="Process only files larger than minimum size"`),
),
iup.Vbox(
iup.Label("Document DPI:"),
iup.List().SetAttributes(map[string]string{
"DROPDOWN": "YES",
"EDITBOX": "YES",
"VISIBLECOLUMNS": "6",
"VALUE": "Default",
"1": "Default",
"2": "150",
"3": "300",
"4": "600",
"5": "1200",
}).SetHandle("DPI").
SetAttribute("TIP", "Resolution for rendering documents (PDF, EPUB, etc.); Default is 300"),
),
).SetAttributes("NGAP=10"),
).SetHandle("VboxInput")
}
func tabOutput() iup.Ihandle {
return iup.Hbox(
iup.Vbox(
iup.Vbox(
iup.Label("Output Directory:"),
iup.Text().SetAttributes("VISIBLECOLUMNS=16, MINSIZE=100x").SetHandle("OutDir").
SetAttribute("TIP", "Directory where converted files are written (required)").
SetCallback("VALUECHANGED_CB", iup.ValueChangedFunc(func(ih iup.Ihandle) int {
setActive()
return iup.DEFAULT
})),
iup.Space().SetAttribute("SIZE", "5x0"),
iup.Button("Browse...").SetAttributes("PADDING=DEFAULTBUTTONPADDING").
SetCallback("ACTION", iup.ActionFunc(onOutputDirectory)),
),
iup.Vbox(
iup.Label("Add Suffix to Output File:"),
iup.Text().SetAttributes("VISIBLECOLUMNS=16, MINSIZE=100x").SetHandle("Suffix").
SetAttribute("TIP", "Add suffix to filename, i.e. filename_suffix.cbz"),
),
iup.Vbox(
iup.Label("Archive Format:"),
iup.List().SetAttributes(map[string]string{
"DROPDOWN": "YES",
"VALUE": "1",
"1": "ZIP",
"2": "TAR",
}).SetHandle("Archive").
SetAttribute("TIP", "Output container: ZIP (.cbz) or uncompressed TAR (.cbt)").
SetCallback("VALUECHANGED_CB", iup.ValueChangedFunc(func(ih iup.Ihandle) int {
setActive()
return iup.DEFAULT
})),
),
iup.Vbox(
iup.Label("Compression:"),
iup.List().SetAttributes(map[string]string{
"DROPDOWN": "YES",
"VALUE": "1",
"1": "Default",
"2": "Store (none)",
"3": "1",
"4": "2",
"5": "3",
"6": "4",
"7": "5",
"8": "6",
"9": "7",
"10": "8",
"11": "9",
}).SetHandle("ZipLevel").
SetAttribute("TIP", "ZIP compression: Store disables it, 1 is fastest, 9 is smallest"),
).SetHandle("VboxZipLevel"),
).SetAttributes("NGAP=10"),
iup.Space().SetAttribute("SIZE", "15"),
iup.Vbox(
iup.Vbox(
iup.Toggle(" Combine into single file").SetHandle("Combine").
SetAttributes(`TIP="Merge all listed files into one archive"`).
SetCallback("VALUECHANGED_CB", iup.ValueChangedFunc(func(ih iup.Ihandle) int {
setActive()
return iup.DEFAULT
})),
),
iup.Vbox(
iup.Label("Output File:"),
iup.Text().SetAttributes("VISIBLECOLUMNS=16, MINSIZE=100x").SetHandle("OutFile").
SetAttribute("TIP", "Combined file name (default: first input + -combined)"),
iup.Space().SetAttribute("SIZE", "5x0"),
iup.Button("Browse...").SetAttributes("PADDING=DEFAULTBUTTONPADDING").
SetCallback("ACTION", iup.ActionFunc(onOutputFile)),
).SetHandle("VboxOutFile"),
).SetAttributes("NGAP=10"),
).SetHandle("VboxOutput")
}
func tabImage() iup.Ihandle {
return iup.Hbox(
iup.Vbox(
iup.Vbox(
iup.Label("Format:"),
iup.List().SetAttributes(map[string]string{
"DROPDOWN": "YES",
"VALUE": "1",
"1": "JPEG",
"2": "PNG",
"3": "TIFF",
"4": "BMP",
"5": "WEBP",
"6": "AVIF",
"7": "JXL",
}).SetHandle("Format").
SetAttribute("TIP", "Output image format for the converted pages").
SetCallback("VALUECHANGED_CB", iup.ValueChangedFunc(func(ih iup.Ihandle) int {
setEffort(strings.ToLower(ih.GetAttribute("VALUESTRING")))
setActive()
previewPost()
return iup.DEFAULT
})),
),
iup.Vbox(
iup.Label("Size:"),
iup.Hbox(
iup.Text().SetAttributes(`CUEBANNER="width", VISIBLECOLUMNS=6, MASK="/d*"`).SetHandle("Width").
SetAttribute("TIP", "If one of, width or height is not set, the image aspect ratio is preserved").
SetCallback("VALUECHANGED_CB", iup.ValueChangedFunc(func(ih iup.Ihandle) int {
setActive()
ih.SetAttribute("MYVALUE", ih.GetInt("VALUE"))
return iup.DEFAULT
})).
SetCallback("KILLFOCUS_CB", iup.KillFocusFunc(func(ih iup.Ihandle) int {
if ih.GetAttribute("MYVALUE") != "" {
previewPost()
}
ih.SetAttribute("MYVALUE", "")
return iup.DEFAULT
})),
iup.Space().SetAttribute("SIZE", "2"),
iup.Label("x"),
iup.Space().SetAttribute("SIZE", "2"),
iup.Text().SetAttributes(`CUEBANNER="height", VISIBLECOLUMNS=6, MASK="/d*"`).SetHandle("Height").
SetAttribute("TIP", "If one of, width or height is not set, the image aspect ratio is preserved").
SetCallback("VALUECHANGED_CB", iup.ValueChangedFunc(func(ih iup.Ihandle) int {
setActive()
ih.SetAttribute("MYVALUE", ih.GetInt("VALUE"))
return iup.DEFAULT
})).
SetCallback("KILLFOCUS_CB", iup.KillFocusFunc(func(ih iup.Ihandle) int {
if ih.GetAttribute("MYVALUE") != "" {
previewPost()
}
ih.SetAttribute("MYVALUE", "")
return iup.DEFAULT
})),
).SetAttributes("ALIGNMENT=ACENTER, NMARGIN=0"),
),
iup.Vbox(
iup.Toggle(" Best Fit").SetHandle("Fit").
SetAttributes(`TIP="Best fit for required width and height"`),
iup.Toggle(" No Upscale").SetHandle("NoUpscale").
SetAttribute("TIP", "Do not enlarge images already smaller than the requested size"),
),
iup.Vbox(
iup.Label("Resize Filter:"),
iup.List().SetAttributes(map[string]string{
"DROPDOWN": "YES",
"VALUE": "3",
"TIP": "Linear is the bilinear filter, smooth and reasonably fast",
"1": "NearestNeighbor",
"2": "Box",
"3": "Linear",
"4": "MitchellNetravali",
"5": "CatmullRom",
"6": "Gaussian",
"7": "Lanczos",
}).SetHandle("Filter").SetCallback("VALUECHANGED_CB", iup.ValueChangedFunc(onFilterChanged)),
),
).SetAttributes("NGAP=10"),
iup.Space().SetAttribute("SIZE", "15"),
iup.Vbox(
iup.Vbox(
iup.Hbox(
iup.Label("Quality: "),
iup.Label("75").SetHandle("LabelQuality"),
).SetAttributes("NMARGIN=0"),
iup.Val("").SetAttributes(`MIN=0, MAX=100, VALUE=75, SHOWTICKS=10`).SetHandle("Quality").
SetAttribute("TIP", "Quality affects JPEG, WEBP, AVIF and JXL").
SetCallback("VALUECHANGED_CB", iup.ValueChangedFunc(func(ih iup.Ihandle) int {
iup.GetHandle("LabelQuality").SetAttribute("TITLE", ih.GetInt("VALUE"))
iup.Refresh(iup.GetHandle("LabelQuality"))
ih.SetAttribute("MYVALUE", ih.GetInt("VALUE"))
return iup.DEFAULT
})).
SetCallback("KILLFOCUS_CB", iup.KillFocusFunc(func(ih iup.Ihandle) int {
if ih.GetAttribute("MYVALUE") != "" {
previewPost()
}
ih.SetAttribute("MYVALUE", "")
return iup.DEFAULT
})),
).SetHandle("VboxQuality"),
iup.Vbox(
iup.Label("Effort:").SetHandle("LabelEffort"),
iup.Val("").SetAttributes(`MIN=0, MAX=10, VALUE=0, SHOWTICKS=11`).SetHandle("Effort").
SetAttribute("TIP", "Encoder speed/effort (WEBP, AVIF, JXL)").
SetCallback("VALUECHANGED_CB", iup.ValueChangedFunc(func(ih iup.Ihandle) int {
iup.GetHandle("LabelEffort").SetAttribute("TITLE", fmt.Sprintf("%s: %d", ih.GetAttribute("EFFORTNAME"), ih.GetInt("VALUE")))
iup.Refresh(iup.GetHandle("LabelEffort"))
ih.SetAttribute("MYVALUE", ih.GetInt("VALUE"))
return iup.DEFAULT
})).
SetCallback("KILLFOCUS_CB", iup.KillFocusFunc(func(ih iup.Ihandle) int {
if ih.GetAttribute("MYVALUE") != "" {
previewPost()
}
ih.SetAttribute("MYVALUE", "")
return iup.DEFAULT
})),
).SetHandle("VboxEffort"),
iup.Vbox(
iup.Toggle(" Lossless").SetHandle("Lossless").
SetAttributes(`TIP="Lossless compression (WEBP, AVIF, JXL), ignores quality"`).
SetCallback("VALUECHANGED_CB", iup.ValueChangedFunc(func(ih iup.Ihandle) int {
setActive()
previewPost()
return iup.DEFAULT
})),
),
iup.Vbox(
iup.Toggle(" Grayscale").SetHandle("Grayscale").
SetAttributes(`TIP="Convert images to grayscale (monochromatic)"`).
SetCallback("VALUECHANGED_CB", iup.ValueChangedFunc(func(ih iup.Ihandle) int {
previewPost()
return iup.DEFAULT
})),
),
).SetAttributes("NGAP=10"),
).SetHandle("VboxImage")
}
func tabTransform() iup.Ihandle {
return iup.Vbox(
iup.Vbox(
iup.Hbox(
iup.Label("Brightness: "),
iup.Label("0").SetHandle("LabelBrightness"),
).SetAttributes("ALIGNMENT=ACENTER, NMARGIN=0"),
iup.Val("").SetAttributes(`MIN=-100, MAX=100, VALUE=0, SHOWTICKS=10`).SetHandle("Brightness").
SetAttributes(`TIP="Adjust the brightness of the images"`).
SetCallback("VALUECHANGED_CB", iup.ValueChangedFunc(func(ih iup.Ihandle) int {
iup.GetHandle("LabelBrightness").SetAttribute("TITLE", iup.GetHandle("Brightness").GetInt("VALUE"))
iup.Refresh(iup.GetHandle("LabelBrightness"))
ih.SetAttribute("MYVALUE", ih.GetInt("VALUE"))
return iup.DEFAULT
})).
SetCallback("KILLFOCUS_CB", iup.KillFocusFunc(func(ih iup.Ihandle) int {
if ih.GetAttribute("MYVALUE") != "" {
previewPost()
}
ih.SetAttribute("MYVALUE", "")
return iup.DEFAULT
})),
),
iup.Vbox(
iup.Hbox(
iup.Label("Contrast: "),
iup.Label("0").SetHandle("LabelContrast"),
).SetAttributes("ALIGNMENT=ACENTER, NMARGIN=0"),
iup.Val("").SetAttributes(`MIN=-100, MAX=100, VALUE=0, SHOWTICKS=10`).SetHandle("Contrast").
SetAttributes(`TIP="Adjust the contrast of the images"`).
SetCallback("VALUECHANGED_CB", iup.ValueChangedFunc(func(ih iup.Ihandle) int {
iup.GetHandle("LabelContrast").SetAttribute("TITLE", iup.GetHandle("Contrast").GetInt("VALUE"))
iup.Refresh(iup.GetHandle("LabelContrast"))
ih.SetAttribute("MYVALUE", ih.GetInt("VALUE"))
return iup.DEFAULT
})).
SetCallback("KILLFOCUS_CB", iup.KillFocusFunc(func(ih iup.Ihandle) int {
if ih.GetAttribute("MYVALUE") != "" {
previewPost()
}
ih.SetAttribute("MYVALUE", "")
return iup.DEFAULT
})),
),
iup.Vbox(
iup.Label("Rotate:"),
iup.List().SetAttributes(map[string]string{
"DROPDOWN": "YES",
"VALUE": "1",
"1": "0",
"2": "90",
"3": "180",
"4": "270",
}).SetHandle("Rotate").
SetAttribute("TIP", "Rotate every page clockwise by the given angle in degrees").
SetCallback("VALUECHANGED_CB", iup.ValueChangedFunc(func(ih iup.Ihandle) int {
previewPost()
return iup.DEFAULT
})),
),
).SetHandle("VboxTransform").SetAttributes("NGAP=10")
}
func tabs() iup.Ihandle {
return iup.Tabs(
tabInput().SetAttributes("TABTITLE=Input, NMARGIN=10x10"),
tabOutput().SetAttributes("TABTITLE=Output, NMARGIN=10x10"),
tabImage().SetAttributes("TABTITLE=Image, NMARGIN=10x10"),
tabTransform().SetAttributes("TABTITLE=Transform, NMARGIN=10x10"),
).SetHandle("Tabs")
}
func buttons() iup.Ihandle {
addFiles := iup.Button("Add &Files...").SetHandle("AddFiles").SetAttributes("PADDING=DEFAULTBUTTONPADDING").
SetCallback("ACTION", iup.ActionFunc(onAddFiles))
addDir := iup.Button("Add &Dir...").SetHandle("AddDir").SetAttributes("PADDING=DEFAULTBUTTONPADDING").
SetCallback("ACTION", iup.ActionFunc(onAddDir))
remove := iup.Button("Remove").SetHandle("Remove").SetAttributes("PADDING=DEFAULTBUTTONPADDING").
SetCallback("ACTION", iup.ActionFunc(onRemove))
removeAll := iup.Button("Remove All").SetHandle("RemoveAll").SetAttributes("PADDING=DEFAULTBUTTONPADDING").
SetCallback("ACTION", iup.ActionFunc(onRemoveAll))
thumbnail := iup.Button("Thumbnail").SetHandle("Thumbnail").SetAttributes("PADDING=DEFAULTBUTTONPADDING").
SetCallback("ACTION", iup.ActionFunc(onThumbnail))
cover := iup.Button("Cover").SetHandle("Cover").SetAttributes("PADDING=DEFAULTBUTTONPADDING").
SetCallback("ACTION", iup.ActionFunc(onCover))
convert := iup.Button("&Convert").SetHandle("Convert").SetAttributes("PADDING=DEFAULTBUTTONPADDING").
SetCallback("ACTION", iup.ActionFunc(onConvert))
reset := iup.Button("Reset").SetHandle("Reset").SetAttributes("PADDING=DEFAULTBUTTONPADDING").
SetAttribute("TIP", "Restore all settings to their defaults").
SetCallback("ACTION", iup.ActionFunc(onReset))
save := iup.Button("Save").SetHandle("Save").SetAttributes("PADDING=DEFAULTBUTTONPADDING").
SetAttribute("TIP", "Save current settings to a profile").
SetCallback("ACTION", iup.ActionFunc(onSave))
command := iup.Button("Command").SetHandle("Command").SetAttributes("PADDING=DEFAULTBUTTONPADDING").
SetAttribute("TIP", "Show the equivalent command line").
SetCallback("ACTION", iup.ActionFunc(onCommand))
profile := iup.List().SetAttributes("DROPDOWN=YES").SetHandle("Profile").
SetAttribute("TIP", "Select a settings profile").
SetCallback("VALUECHANGED_CB", iup.ValueChangedFunc(onProfileSelect))
iup.Normalizer(addFiles, addDir, remove, removeAll, thumbnail, cover, convert, reset, save, command).SetAttribute("NORMALIZE", "BOTH")
iup.Normalizer(addFiles, addDir, remove, removeAll, thumbnail, cover, convert, reset, save, command, profile).SetAttribute("NORMALIZE", "HORIZONTAL")
return iup.Vbox(
iup.Vbox(
addFiles,
addDir,
remove,
removeAll,
).SetAttribute("NGAP", "2"),
iup.Space().SetAttribute("SIZE", "x5"),
iup.Vbox(
thumbnail,
cover,
).SetAttribute("NGAP", "2"),
iup.Space().SetAttribute("SIZE", "x5"),
iup.Vbox(
convert,
),
iup.Fill(),
iup.Vbox(
iup.Label("Profile:"),
profile,
reset,
save,
command,
).SetAttribute("NGAP", "2"),
).SetHandle("Buttons").SetAttributes("ALIGNMENT=ACENTER")
}
func status() iup.Ihandle {
return iup.Hbox(
loading(),
iup.Fill(),
iup.Label("File 1 of 1").SetHandle("LabelStatus1").SetAttributes("VISIBLE=NO"),
iup.Space().SetAttribute("SIZE", "5"),
iup.Label("(000/000)").SetHandle("LabelStatus2").SetAttributes("VISIBLE=NO"),
iup.Space().SetAttribute("SIZE", "5"),
iup.ProgressBar().SetAttributes("VISIBLE=NO").SetHandle("ProgressBar").
SetCallback("POSTMESSAGE_CB", iup.PostMessageFunc(func(ih iup.Ihandle, s string, i int, p any) int {
switch s {
case "convert":
conv := p.(*cbconvert.Converter)
ih.SetAttributes("VALUE=0, VISIBLE=YES")
ih.SetAttribute("MAX", conv.Ncontents)
iup.GetHandle("LabelStatus1").SetAttribute("TITLE", fmt.Sprintf("File %d of %d", conv.CurrFile, conv.Nfiles))
iup.GetHandle("LabelStatus1").SetAttributes("VISIBLE=YES")
iup.GetHandle("LabelStatus2").SetAttributes("VISIBLE=YES")
iup.Refresh(iup.GetHandle("StatusBar"))
case "start":
conv := p.(*cbconvert.Converter)
ih.SetAttributes("VALUE=0, VISIBLE=YES")
ih.SetAttribute("MAX", conv.Nfiles)
iup.GetHandle("LabelStatus2").SetAttributes("VISIBLE=YES")
case "progress":
conv := p.(*cbconvert.Converter)
ih.SetAttribute("VALUE", conv.CurrContent)
iup.GetHandle("LabelStatus2").SetAttribute("TITLE", fmt.Sprintf("(%03d/%03d)", conv.CurrContent, conv.Ncontents))
iup.Refresh(iup.GetHandle("StatusBar"))
case "progress2":
conv := p.(*cbconvert.Converter)
ih.SetAttribute("VALUE", conv.CurrFile)
iup.GetHandle("LabelStatus2").SetAttribute("TITLE", fmt.Sprintf("(%03d/%03d)", conv.CurrFile, conv.Nfiles))
iup.Refresh(iup.GetHandle("StatusBar"))
case "finish":
setBusy(false)
iup.GetHandle("LabelStatus1").SetAttributes(`TITLE="", VISIBLE=NO`)
iup.GetHandle("LabelStatus2").SetAttributes(`TITLE="", VISIBLE=NO`)
ih.SetAttributes("VALUE=0, VISIBLE=NO")
iup.Refresh(iup.GetHandle("StatusBar"))
iup.GetHandle("dlg").SetCallback("K_ANY", nil)
iup.GetHandle("dlg").SetCallback("CLOSE_CB", nil)
}
return iup.DEFAULT
})),
iup.Space().SetAttribute("SIZE", "5x0"),
).SetAttributes("ALIGNMENT=ACENTER, NMARGIN=5x5").SetHandle("StatusBar")
}
func loading() iup.Ihandle {
img, _ := gif.DecodeAll(bytes.NewReader(appLoading))
animation := iup.User()
for idx, i := range img.Image {
name := fmt.Sprintf("Loading%d", idx)
iup.ImageFromImage(i).SetHandle(name)
iup.Append(animation, iup.GetHandle(name))
}
return iup.AnimatedLabel(animation).SetAttributes("VISIBLE=NO").SetHandle("Loading")
}
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