/
main.go
165 lines (135 loc) · 3.1 KB
/
main.go
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package main
import (
"fmt"
"io/ioutil"
"os"
// "github.com/mattn/go-gtk/gdkpixbuf"
"github.com/mattn/go-gtk/gtk"
"github.com/mattn/go-webkit/webkit"
"github.com/russross/blackfriday"
)
var addr string
var filename string
var dark_theme bool
const port = ":5926"
const blank_page = `
<html class="blank_page">
<head>
<style>
%s
</style>
</head>
<body class="blank_page">
</body>
</html>
`
const page_template = `
<html>
<head>
<style>
%s
</style>
</head>
<body>
%s
</body>
</html>
`
var webview *webkit.WebView
var menu_reload *gtk.MenuItem
var menu_exit *gtk.MenuItem
func getContent() string {
if filename != "" {
input, err := ioutil.ReadFile(filename)
if err != nil {
fmt.Println(err)
os.Exit(1)
}
output := blackfriday.MarkdownCommon(input)
var html string
if dark_theme {
html = fmt.Sprintf(page_template, css+css_dark, string(output))
} else {
html = fmt.Sprintf(page_template, css, string(output))
}
return html
}
return fmt.Sprintf(blank_page, css)
}
func reload() {
webview.LoadString(getContent(), "text/html", "utf-8", ".")
}
func main() {
if len(os.Args) < 2 {
filename = ""
} else {
filename = os.Args[1]
}
gtk.Init(nil)
window := gtk.NewWindow(gtk.WINDOW_TOPLEVEL)
window.SetTitle(filename)
window.Connect("destroy", gtk.MainQuit)
vbox := gtk.NewVBox(false, 1)
menubar := gtk.NewMenuBar()
vbox.PackStart(menubar, false, false, 0)
webview = webkit.NewWebView()
vbox.Add(webview)
filemenu := gtk.NewMenuItemWithMnemonic("_File")
menubar.Append(filemenu)
submenu := gtk.NewMenu()
filemenu.SetSubmenu(submenu)
menu_open := gtk.NewMenuItemWithMnemonic("_Open")
menu_open.Connect("activate", func() {
filechooserdialog := gtk.NewFileChooserDialog(
"Choose file",
window,
gtk.FILE_CHOOSER_ACTION_OPEN,
gtk.STOCK_OK,
gtk.RESPONSE_ACCEPT)
filter := gtk.NewFileFilter()
filter.AddPattern("*.md")
filter.AddPattern("*.markdown")
filter.SetName("Markdown files")
filechooserdialog.AddFilter(filter)
filechooserdialog.Response(func() {
filename = (filechooserdialog.GetFilename())
filechooserdialog.Destroy()
})
filechooserdialog.Run()
reload()
})
submenu.Append(menu_open)
menu_reload = gtk.NewMenuItemWithMnemonic("_Reload")
menu_reload.Connect("activate", func() {
reload()
})
submenu.Append(menu_reload)
menu_exit = gtk.NewMenuItemWithMnemonic("E_xit")
menu_exit.Connect("activate", func() {
gtk.MainQuit()
})
submenu.Append(menu_exit)
viewmenu := gtk.NewMenuItemWithMnemonic("_View")
menubar.Append(viewmenu)
viewsubmenu := gtk.NewMenu()
viewmenu.SetSubmenu(viewsubmenu)
menu_dark := gtk.NewCheckMenuItemWithMnemonic("D_ark Theme")
menu_dark.Connect("activate", func() {
if menu_dark.GetActive() {
dark_theme = true
} else {
dark_theme = false
}
reload()
})
viewsubmenu.Append(menu_dark)
window.Add(vbox)
window.SetSizeRequest(480, 600)
bytesSlice := bytesFromXpmData(xpm_data)
icon_file := "/tmp/hackdown-icon.xpm"
ioutil.WriteFile(icon_file, bytesSlice, os.ModePerm)
window.SetIconFromFile(icon_file)
window.ShowAll()
webview.LoadString(getContent(), "text/html", "utf-8", ".")
gtk.Main()
}