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# The beginning of an IDE for Nimrod
# (c) 2008 Andreas Rumpf
import os, glib2, gtk2, libglade2, dialogs, parseopt
proc on_window_destroy(obj: PGtkObject, data: pointer) {.cdecl.} =
gtk_main_quit()
const
GuiTemplate = "/media/hda1/Eigenes/nimrod/ide/nimide.glade"
type
TTab = object of TObject
textview: PGtkTextView
filename: string
untitled: bool
TMyTextEditor = object of TObject
window: PGtkWindow
statusbar: PGtkStatusBar
textview: PGtkTextview
statusbarContextId: int
proc on_about_menu_item_activate(menuItem: PGtkMenuItem,
e: var TMyTextEditor) {.cdecl.} =
gtk_show_about_dialog(e.window,
"comments", "A fast and leight-weight IDE for Nimrod",
"copyright", "Copyright \xc2\xa9 2008 Andreas Rumpf",
"version", "0.1",
"website", "http://nimrod.ethexor.com",
"program-name", "Nimrod IDE",
nil)
proc load_file(e: var TMyTextEditor, filename: string) =
var
err: pointer
status: cstring
text: cstring
result: bool
buffer: PGtkTextBuffer
discard gtk_statusbar_push(e.statusbar, e.statusbar_context_id, "Loading...")
while gtk_events_pending() != 0: discard gtk_main_iteration()
# get the file contents
result = g_file_get_contents(filename, addr(text), nil, addr(err))
if not result:
error(e.window, "Cannot load file")
#g_error_free(err)
# disable the text view while loading the buffer with the text
gtk_widget_set_sensitive(e.text_view, false)
buffer = gtk_text_view_get_buffer(e.text_view)
gtk_text_buffer_set_text(buffer, text, -1)
gtk_text_buffer_set_modified(buffer, false)
gtk_widget_set_sensitive(e.text_view, true)
g_free(text)
e.filename = filename
gtk_statusbar_pop(e.statusbar, e.statusbar_context_id)
reset_default_status(e)
proc write_file(e: var TMyTextEditor, filename: string) =
var
err: ptr GError
status: cstring
text: cstring
result: bool
buffer: PGtkTextBuffer
start, ende: TGtkTextIter
# add Saving message to status bar and ensure GUI is current
gtk_statusbar_push(e.statusbar, e.statusbar_context_id, "Saving....")
while gtk_events_pending(): gtk_main_iteration()
# disable text view and get contents of buffer
gtk_widget_set_sensitive(editor->text_view, FALSE)
buffer = gtk_text_view_get_buffer(e.text_view)
gtk_text_buffer_get_start_iter(buffer, start)
gtk_text_buffer_get_end_iter(buffer, ende)
text = gtk_text_buffer_get_text(buffer, start, ende, FALSE)
gtk_text_buffer_set_modified(buffer, false)
gtk_widget_set_sensitive(e.text_view, true)
# set the contents of the file to the text from the buffer
if filename != "":
result = g_file_set_contents(filename, text, -1, addr(err))
else:
result = g_file_set_contents(editor->filename, text, -1, addr(err))
if not result:
error_message("cannot save")
g_error_free(err)
g_free(text)
if filename != "":
e.filename = filename
gtk_statusbar_pop(e.statusbar, e.statusbar_context_id)
reset_default_status(editor)
proc check_for_save(e: var TMyTextEditor): bool =
GtkTextBuffer *buffer;
buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (editor->text_view));
if gtk_text_buffer_get_modified(buffer):
GtkWidget *dialog;
const gchar *msg = "Do you want to save the changes you have made?";
dialog = gtk_message_dialog_new (nil,
GTK_DIALOG_MODAL or
GTK_DIALOG_DESTROY_WITH_PARENT,
GTK_MESSAGE_QUESTION,
GTK_BUTTONS_YES_NO,
msg);
gtk_window_set_title (GTK_WINDOW (dialog), "Save?");
result = gtk_dialog_run(dialog) != GTK_RESPONSE_NO
gtk_widget_destroy(dialog)
proc initApp(e: var TMyTextEditor) =
var
builder: PGladeXML
window: PGtkWidget
fontDesc: PPangoFontDescription
id: int
builder = glade_xml_new(GuiTemplate, nil, nil)
if builder == nil:
error_message("cannot open: " & GuiTemplate)
quit(1)
# get the components:
e.window = GTK_WINDOW(glade_xml_get_widget(builder, "window"))
e.statusbar = GTK_STATUSBAR(glade_xml_get_widget(builder, "statusbar"))
e.textview = GTK_TEXTVIEW(glade_xml_get_widget(builder, "textview"))
# connect the signal handlers:
glade_xml_signal_connect(builder, "on_window_destroy",
GCallback(on_window_destroy))
font_desc = pango_font_description_from_string("monospace 10")
gtk_widget_modify_font(e.textview, font_desc)
pango_font_description_free(font_desc)
gtk_window_set_default_icon_name(GTK_STOCK_EDIT)
id = gtk_statusbar_get_context_id(e.statusbar, "Nimrod IDE")
e.statusbarContextId = id
reset_default_status(e)
e.filename = ""
proc main() =
var
editor: TMyTextEditor
initApp(editor)
gtk_widget_show(editor.window)
gtk_main()
gtk_nimrod_init()
main()
proc on_window_delete_event(widget: PGtkWidget, event: PGdkEvent,
e: TMyTextEditor): bool {.cdecl.} =
if check_for_save(editor):
on_save_menu_item_activate(nil, editor)
result = false
proc on_new_menu_item_activate(GtkMenuItem *menuitem, TutorialTextEditor *editor)
GtkTextBuffer *buffer;
if check_for_save(editor):
on_save_menu_item_activate(nil, editor)
/* clear editor for a new file */
editor->filename = nil;
buffer = gtk_text_view_get_buffer(GTK_TEXT_VIEW (editor->text_view));
gtk_text_buffer_set_text(buffer, "", -1);
gtk_text_buffer_set_modified(buffer, FALSE);
reset_default_status(editor);
proc on_open_menu_item_activate(menuItem: PGtkMenuItem,
TutorialTextEditor *editor) =
gchar *filename;
if check_for_save(editor):
on_save_menu_item_activate(nil, editor)
filename = get_open_filename(editor)
if filename != nil: load_file(editor, filename)
proc on_save_menu_item_activate(menuItem: PGtkMenuItem, TutorialTextEditor *editor) =
gchar *filename;
if (editor->filename == nil)
{
filename = get_save_filename(editor);
if (filename != nil) write_file(editor, filename);
}
else write_file(editor, nil);
proc on_save_as_menu_item_activate(GtkMenuItem *menuitem,
TutorialTextEditor *editor) =
gchar *filename;
filename = get_save_filename(editor)
if filename != nil: write_file(editor, filename)
proc on_quit_menu_item_activate(GtkMenuItem *menuitem, TutorialTextEditor *editor)
if check_for_save(editor):
on_save_menu_item_activate(nil, editor)
gtk_main_quit()
proc on_cut_menu_item_activate(GtkMenuItem *menuitem, TutorialTextEditor *editor) =
GtkTextBuffer *buffer;
GtkClipboard *clipboard;
clipboard = gtk_clipboard_get(GDK_SELECTION_CLIPBOARD);
buffer = gtk_text_view_get_buffer(editor->text_view)
gtk_text_buffer_cut_clipboard(buffer, clipboard, TRUE)
proc on_copy_menu_item_activate(GtkMenuItem *menuitem, TutorialTextEditor *editor) =
GtkTextBuffer *buffer;
GtkClipboard *clipboard;
clipboard = gtk_clipboard_get(GDK_SELECTION_CLIPBOARD)
buffer = gtk_text_view_get_buffer(editor->text_view)
gtk_text_buffer_copy_clipboard(buffer, clipboard)
proc on_paste_menu_item_activate(GtkMenuItem *menuitem, TutorialTextEditor *editor)
GtkTextBuffer *buffer;
GtkClipboard *clipboard;
clipboard = gtk_clipboard_get(GDK_SELECTION_CLIPBOARD)
buffer = gtk_text_view_get_buffer(editor->text_view)
gtk_text_buffer_paste_clipboard(buffer, clipboard, nil, TRUE)
proc on_delete_menu_item_activate(GtkMenuItem *menuitem, TutorialTextEditor *editor)
GtkTextBuffer *buffer;
buffer = gtk_text_view_get_buffer(editor->text_view);
gtk_text_buffer_delete_selection(buffer, FALSE, TRUE);
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