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# The beginning of an IDE for Nimrod
# (c) 2008 Andreas Rumpf
import os, glib2, gdk2, gtk2, libglade2, pango, dialogs, parseopt
const
GuiTemplate = "nimide.glade"
dummyConst = ""
type
TTab {.pure, final.} = object
textview: PGtkTextView
filename: string
untitled: bool
hbox: PGtkHBox
e: PEditor
PTab = ptr TTab
TEditor = object of TObject
window: PGtkWindow
statusbar: PGtkStatusBar
menu: PGtkMenuBar
notebook: PGtkNotebook
tabname: int # used for generating tab names
tabs: seq[PTab]
currTab: int
PEditor = ptr TEditor
proc onWindowDestroy(obj: PGtkObject, event: PGdkEvent,
data: pointer): gboolean {.cdecl.} =
gtkMainQuit()
proc onAboutMenuItemActivate(menuItem: PGtkMenuItem, e: PEditor) {.cdecl.} =
gtkShowAboutDialog(e.window,
"comments", "A fast and leight-weight IDE for Nimrod",
"copyright", "Copyright \xc2\xa9 2009 Andreas Rumpf",
"version", "0.1",
"website", "http://nimrod.ethexor.com",
"program-name", "Nimrod IDE",
nil)
proc getTabIndex(e: PEditor, tab: PTab): int =
var i = 0
while true:
var w = gtkNotebookGetNthPage(e.notebook, i)
if w == nil: return -1
var v = gtkNotebookGetTabLabel(e.notebook, w)
if tab.hbox == v: return i
inc(i)
proc getActiveTab(e: PEditor): PTab =
nil
type
TAnswer = enum
answerYes, answerNo, answerCancel
proc askWhetherToSave(e: PEditor): TAnswer =
var dialog = gtkDialogNewWithButtons("Should the changes be saved?",
e.window, GTK_DIALOG_MODAL, GTK_STOCK_SAVE, 1, "gtk-discard", 2,
GTK_STOCK_CANCEL, 3, nil)
result = TAnswer(gtkDialogRun(dialog)+1)
gtkWidgetDestroy(dialog)
proc saveTab(tab: PTab) =
if tab.untitled:
tab.filename = ChooseFileToSave(tab.e.window, getRoot(tab))
tab.untitled = false
XXX
proc OnCloseTab(button: PGtkButton, tab: PTab) {.cdecl.} =
var idx = -1
for i in 0..high(tab.e.tabs):
if tab.e.tabs[i] == tab:
idx = i
break
if idx >= 0:
if gtkTextBufferGetModified(gtkTextViewGetBuffer(tab.textView)):
case askWhetherToSave(tab.e)
of answerCancel: return
of answerYes: saveTab(tab)
of answerNo: nil
gtkNotebookRemovePage(tab.e.notebook, idx)
if idx < high(tab.e.tabs):
for i in idx..high(tab.e.tabs)-1:
tab.e.tabs[i] = tab.e.tabs[i+1]
else:
dec currTab
GC_unref(tab.filename)
dealloc(tab)
#var idx = getTabIndex(tab.e, tab)
#if idx >= 0: gtk_notebook_remove_page(tab.e.notebook, idx)
proc createTab(e: PEditor, filename: string, untitled: bool) =
var t = cast[PTab](alloc0(sizeof(TTab)))
t.textview = gtkTextViewNewWithBuffer(gtkTextBufferNew(nil))
var fontDesc = pangoFontDescriptionFromString("monospace 10")
gtkWidgetModifyFont(t.textview, fontDesc)
pangoFontDescriptionFree(fontDesc)
t.filename = filename
t.untitled = untitled
gtkWidgetShow(t.textview)
var scroll = gtkScrolledWindowNew(nil, nil)
gtkContainerAdd(scroll, t.textview)
gtkWidgetShow(scroll)
t.e = e
t.hbox = gtkHboxNew(false, 0)
var image = gtkImageNewFromStock(GTK_STOCK_CLOSE, GTK_ICON_SIZE_MENU)
var button = gtkButtonNew()
var lab = gtkLabelNew(filename)
gtkButtonSetImage(button, image)
gtkButtonSetRelief(button, GTK_RELIEF_NONE)
gtkBoxPackStart(t.hbox, lab, false, false, 2)
gtkBoxPackEnd(t.hbox, button, false, false, 0)
discard gSignalConnect(button, "clicked", G_Callback(onCloseTab), t)
gtkWidgetShow(button)
gtkWidgetShow(lab)
var idx = gtkNotebookAppendPage(e.notebook, scroll, t.hbox)
e.currTab = idx
add(e.tabs, t)
gtkNotebookSetCurrentPage(e.notebook, idx)
proc onOpenMenuItemActivate(menuItem: PGtkMenuItem, e: PEditor) {.cdecl.} =
var files = ChooseFilesToOpen(e.window, getRoot(getActiveTab(e)))
for f in items(files): createTab(e, f, untitled=false)
proc onSaveMenuItemActivate(menuItem: PGtkMenuItem, e: PEditor) {.cdecl.} =
var cp = gtkNotebookGetCurrentPage(e.notebook)
proc onSaveAsMenuItemActivate(menuItem: PGtkMenuItem, e: PEditor) {.cdecl.} =
nil
proc onNewMenuItemActivate(menuItem: PGtkMenuItem, e: PEditor) {.cdecl.} =
inc(e.tabname)
createTab(e, "untitled-" & $e.tabname, true)
proc main(e: PEditor) =
var builder = gladeXmlNew(getApplicationDir() / GuiTemplate, nil, nil)
if builder == nil: quit("cannot open: " & GuiTemplate)
# get the components:
e.window = GTK_WINDOW(gladeXmlGetWidget(builder, "window"))
e.statusbar = GTK_STATUSBAR(gladeXmlGetWidget(builder, "statusbar"))
e.notebook = GTK_NOTEBOOK(gladeXmlGetWidget(builder, "notebook"))
e.tabs = @[]
e.currTab = -1
setHomogeneous(e.notebook^, 1)
# connect the signal handlers:
gladeXmlSignalConnect(builder, "on_window_destroy",
GCallback(onWindowDestroy))
var about = GTK_MENU_ITEM(gladeXmlGetWidget(builder, "about_menu_item"))
discard gSignalConnect(about, "activate",
G_CALLBACK(onAboutMenuItemActivate), e)
var newItem = GTK_MENU_ITEM(gladeXmlGetWidget(builder, "new_menu_item"))
discard gSignalConnect(newItem, "activate",
G_CALLBACK(onNewMenuItemActivate), e)
var quitItem = GTK_MENU_ITEM(gladeXmlGetWidget(builder, "quit_menu_item"))
discard gSignalConnect(quitItem, "activate",
G_CALLBACK(onWindowDestroy), e)
var openItem = GTK_MENU_ITEM(gladeXmlGetWidget(builder, "open_menu_item"))
discard gSignalConnect(openItem, "activate",
G_CALLBACK(onOpenMenuItemActivate), e)
var saveItem = GTK_MENU_ITEM(gladeXmlGetWidget(builder, "save_menu_item"))
discard gSignalConnect(saveItem, "activate",
G_CALLBACK(onSaveMenuItemActivate), e)
var saveAsItem = GTK_MENU_ITEM(gladeXmlGetWidget(builder, "save_as_menu_item"))
discard gSignalConnect(saveAsItem, "activate",
G_CALLBACK(onSaveAsMenuItemActivate), e)
gtkWindowSetDefaultIconName(GTK_STOCK_EDIT)
gtkWidgetShow(e.window)
gtkMain()
gtkNimrodInit()
var e = cast[PEditor](alloc0(sizeof(TEditor)))
main(e)
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