def __init__(self):
self.win = gtk.Window(gtk.WINDOW_TOPLEVEL)
self.win.set_title('Untitled* - Scribber')
# Parse own .gtkrc for colored cursor
gtk.rc_parse(".gtkrc")
self.buffer = ScribberTextBuffer()
self.view = ScribberTextView(self.win)
self.view.set_buffer(self.buffer)
# GTK doesnt provide a way to check wether a window is fullscreen or
# no. So we have to keep track ourselves.
self.is_fullscreen = False
self.filename = None
self.win.set_destroy_with_parent(False)
# Callbacks
self.win.connect('delete_event', self._delete_event)
self.win.connect('window-state-event', self._on_window_state_event)
self.win.connect('size-request', self._on_window_resize)
self.win.connect('motion-notify-event', self._on_mouse_motion)
# To keep track of wether the document is modified or not.
self.buffer.connect('modified-changed',
self._on_buffer_modified_change)
# To hide and show the bars (menu and statusbar)
self.buffer.connect("insert-text", self._on_buffer_changed)
self.buffer.connect("delete-range", self._on_buffer_changed)
scrolled_window = gtk.ScrolledWindow()
scrolled_window.set_policy(gtk.POLICY_NEVER, gtk.POLICY_ALWAYS)
scrolled_window.add(self.view)
self.find_box = ScribberFindBox(self.buffer)
self.fix_find = gtk.Fixed()
self.fix_find.add(self.find_box)
self.find_replace_box = ScribberFindReplaceBox(self.buffer)
self.fix_find_replace = gtk.Fixed()
self.fix_find_replace.add(self.find_replace_box)
self.menu_bar = self.create_menu_bar()
self.status_bar = self.create_status_bar()
main_vbox = gtk.VBox(False, 2)
main_vbox.pack_start(scrolled_window, True, True, 0)
main_vbox.pack_end(self.fix_find, False, False, 0)
main_vbox.pack_end(self.fix_find_replace, False, False, 0)
self.fade_box = ScribberFadeHBox()
self.fade_box.add_main_widget(main_vbox)
self.fade_box.add_header(self.menu_bar)
self.fade_box.add_footer(self.status_bar)
self.win.add(self.fade_box)
self.win.resize(600, 600)
self.log.info('GUI initialized')
class ScribberGUI(object):
log = logging.getLogger('log')
def __init__(self):
self.win = gtk.Window(gtk.WINDOW_TOPLEVEL)
self.win.set_title('Untitled* - Scribber')
# Parse own .gtkrc for colored cursor
gtk.rc_parse(".gtkrc")
self.buffer = ScribberTextBuffer()
self.view = ScribberTextView(self.win)
self.view.set_buffer(self.buffer)
# GTK doesnt provide a way to check wether a window is fullscreen or
# no. So we have to keep track ourselves.
self.is_fullscreen = False
self.filename = None
self.win.set_destroy_with_parent(False)
# Callbacks
self.win.connect('delete_event', self._delete_event)
self.win.connect('window-state-event', self._on_window_state_event)
self.win.connect('size-request', self._on_window_resize)
self.win.connect('motion-notify-event', self._on_mouse_motion)
# To keep track of wether the document is modified or not.
self.buffer.connect('modified-changed',
self._on_buffer_modified_change)
# To hide and show the bars (menu and statusbar)
self.buffer.connect("insert-text", self._on_buffer_changed)
self.buffer.connect("delete-range", self._on_buffer_changed)
scrolled_window = gtk.ScrolledWindow()
scrolled_window.set_policy(gtk.POLICY_NEVER, gtk.POLICY_ALWAYS)
scrolled_window.add(self.view)
self.find_box = ScribberFindBox(self.buffer)
self.fix_find = gtk.Fixed()
self.fix_find.add(self.find_box)
self.find_replace_box = ScribberFindReplaceBox(self.buffer)
self.fix_find_replace = gtk.Fixed()
self.fix_find_replace.add(self.find_replace_box)
self.menu_bar = self.create_menu_bar()
self.status_bar = self.create_status_bar()
main_vbox = gtk.VBox(False, 2)
main_vbox.pack_start(scrolled_window, True, True, 0)
main_vbox.pack_end(self.fix_find, False, False, 0)
main_vbox.pack_end(self.fix_find_replace, False, False, 0)
self.fade_box = ScribberFadeHBox()
self.fade_box.add_main_widget(main_vbox)
self.fade_box.add_header(self.menu_bar)
self.fade_box.add_footer(self.status_bar)
self.win.add(self.fade_box)
self.win.resize(600, 600)
self.log.info('GUI initialized')
def run(self):
""" Show Scribber instance. """
self.win.show_all()
self.fix_find.hide()
self.fix_find_replace.hide()
gtk.main()
def save(self):
""" If the current file was previously saved, it just writes all
changes to the same file. If it never was saved before, call
save_as(). """
if not self.filename:
# Never saved before (no filename known) -> show saveAs dialog
if self.save_as():
self.buffer.set_modified(False)
else:
# Filename is know
text = self.buffer.get_start_iter().get_text(
self.buffer.get_end_iter())
try:
with open(self.filename, 'w+') as f:
f.write(text)
self.buffer.set_modified(False)
self.log.info('File saved to ' + self.filename)
except IOError as ioe:
self.log.error('Could not write to file.' + str(ioe))
dialog = \
gtk.MessageDialog(parent=self.win,
message_format='Could not write to '
'file.',
buttons=gtk.BUTTONS_OK,
type=gtk.MESSAGE_ERROR)
dialog.format_secondary_text(str(ioe))
dialog.connect("response", lambda d, r: d.destroy())
dialog.run()
# If we saved above, self.get_modified() should be false now, so the
# save was successfull
return not self.buffer.get_modified()
def save_as(self):
""" Shows a FileChooserDialog and if the user selected a file saves to
it (returns True if a file was written). """
success = False
dialog = gtk.FileChooserDialog(parent=self.win, title='Save...',
action=gtk.FILE_CHOOSER_ACTION_SAVE,
buttons=(gtk.STOCK_CANCEL,
gtk.RESPONSE_CANCEL,
gtk.STOCK_SAVE, gtk.RESPONSE_OK))
response = dialog.run()
if response == gtk.RESPONSE_OK:
# User picked a file
self.filename = dialog.get_filename()
success = self.save()
dialog.destroy()
return success
def open(self, filename=None):
response = None
if self.buffer.get_modified():
# Ask if file should be saved if it has been modified
response = self.show_ask_save_dialog()
# If save-dialog has been canceled, cancel open, too
if (not response == gtk.RESPONSE_CANCEL or
not response == gtk.RESPONSE_DELETE_EVENT):
if not filename:
# No filename passed, so show a open-dialog
dialog = \
gtk.FileChooserDialog(parent=self.win,
title='Open...',
action=gtk.FILE_CHOOSER_ACTION_OPEN,
buttons=(gtk.STOCK_CANCEL,
gtk.RESPONSE_CANCEL,
gtk.STOCK_OPEN,
gtk.RESPONSE_OK))
response = dialog.run()
if response == gtk.RESPONSE_OK:
# A file has been selected
filename = dialog.get_filename()
dialog.destroy()
# Open-dialog might have been canceled, so check for
# filename != None again
if filename:
# Finally open the file
try:
self.view.open_file(filename)
self.filename = filename
self.set_window_title()
except IOError as ioe:
self.log.error('Could not open file.' + str(ioe))
dialog = \
gtk.MessageDialog(parent=self.win,
message_format='Could not open '
'file.',
buttons=gtk.BUTTONS_OK,
type=gtk.MESSAGE_ERROR)
dialog.format_secondary_text(str(ioe))
dialog.connect("response", lambda d, r: d.destroy())
dialog.run()
def delete(self):
""" Deletes the currently selected text in out TextBuffer."""
self.buffer.delete_selection(True, True)
def copy(self):
""" Pushes the currently selected text into the clipboard."""
try:
clipboard = gtk.clipboard_get()
(start, end) = self.buffer.get_selection_bounds()
clipboard.set_text(start.get_text(end))
except ValueError:
# No selection
pass
def cut(self):
""" Pushes the currently selected text into the clipboard and deletes
it in our TextBuffer."""
self.copy()
self.buffer.delete_selection(True, True)
def paste(self):
""" Pushes the clipboard in our TextBuffer."""
# If text is selected delete it first
self.delete()
clipboard = gtk.clipboard_get()
text = clipboard.wait_for_text()
if text:
self.buffer.insert_at_cursor(text)
def toggle_find_box(self):
self.fix_find_replace.hide()
if self.fix_find.get_visible():
self.fix_find.hide()
self.buffer.stop_hilight_pattern()
self.win.set_focus(self.view)
else:
self.fix_find.show()
self.win.set_focus(self.find_box.txt_find)
def toggle_find_replace_box(self):
self.fix_find.hide()
if self.fix_find_replace.get_visible():
self.fix_find_replace.hide()
self.buffer.stop_hilight_pattern()
self.win.set_focus(self.view)
else:
self.fix_find_replace.show()
self.win.set_focus(self.find_replace_box.txt_find)
def show_about(self):
dialog = gtk.AboutDialog()
dialog.set_name('Scribber')
dialog.set_version(__version__)
dialog.set_copyright(__copyright__)
with open('LICENSE', 'r') as fhandle:
license = fhandle.read()
dialog.set_license(license)
dialog.set_comments("Scribber is a simple text editor.")
dialog.set_website("website")
dialog.connect("response", lambda d, r: d.destroy())
dialog.run()
def show_help(self):
""" Start a not-editable Scribber instance showing a help document. """
help_win = ScribberGUI()
help_win.open('help.txt')
help_win.view.set_editable(False)
help_win.focus()
help_win.run()
def show_ask_save_dialog(self):
""" Pops up a "Quit w/o saving"-Dialog and saves if user wants to. """
dialog = gtk.MessageDialog(parent=self.win, flags=0,
type=gtk.MESSAGE_QUESTION,
buttons=gtk.BUTTONS_YES_NO,
message_format='The document has been '
'modified. Do you want '
'to save your changes?')
dialog.add_button('Cancel', gtk.RESPONSE_CANCEL)
response = dialog.run()
if response == gtk.RESPONSE_YES:
self.save()
dialog.destroy()
# Return the responso so we can react on a REPONSE_CANCEL elsewere
return response
def create_menu_bar(self):
menu_bar = gtk.MenuBar()
agr = gtk.AccelGroup()
self.win.add_accel_group(agr)
# File menu
filemenu = gtk.Menu()
filem = gtk.MenuItem("_File")
filem.set_submenu(filemenu)
newm = gtk.ImageMenuItem(gtk.STOCK_NEW, agr)
newm.connect('activate', self._on_menu_click)
filemenu.append(newm)
openm = gtk.ImageMenuItem(gtk.STOCK_OPEN, agr)
openm.connect('activate', self._on_menu_click)
filemenu.append(openm)
filemenu.append(gtk.SeparatorMenuItem())
savem = gtk.ImageMenuItem(gtk.STOCK_SAVE)
key, mod = gtk.accelerator_parse("<Control>S")
savem.add_accelerator('activate', agr, key,
mod, gtk.ACCEL_VISIBLE)
savem.connect('activate', self._on_menu_click)
filemenu.append(savem)
saveasm = gtk.ImageMenuItem(gtk.STOCK_SAVE_AS)
key, mod = gtk.accelerator_parse("<Control><Shift>S")
saveasm.add_accelerator('activate', agr, key,
mod, gtk.ACCEL_VISIBLE)
saveasm.connect('activate', self._on_menu_click)
filemenu.append(saveasm)
filemenu.append(gtk.SeparatorMenuItem())
exportm = gtk.MenuItem("Expor_t...")
exportm.connect('activate', self._on_menu_click)
filemenu.append(exportm)
filemenu.append(gtk.SeparatorMenuItem())
quitm = gtk.ImageMenuItem(gtk.STOCK_QUIT, agr)
quitm.connect('activate', self._on_menu_click)
filemenu.append(quitm)
# Edit menu
editmenu = gtk.Menu()
editm = gtk.MenuItem("_Edit")
editm.set_submenu(editmenu)
undom = gtk.ImageMenuItem(gtk.STOCK_UNDO, agr)
key, mod = gtk.accelerator_parse("<Control>Z")
undom.add_accelerator('activate', agr, key,
mod, gtk.ACCEL_VISIBLE)
editmenu.append(undom)
redom = gtk.ImageMenuItem(gtk.STOCK_REDO, agr)
key, mod = gtk.accelerator_parse("<Control>Y")
redom.add_accelerator('activate', agr, key,
mod, gtk.ACCEL_VISIBLE)
editmenu.append(redom)
editmenu.append(gtk.SeparatorMenuItem())
cutm = gtk.ImageMenuItem(gtk.STOCK_CUT, agr)
cutm.connect('activate', self._on_menu_click)
editmenu.append(cutm)
copym = gtk.ImageMenuItem(gtk.STOCK_COPY, agr)
copym.connect('activate', self._on_menu_click)
editmenu.append(copym)
pastem = gtk.ImageMenuItem(gtk.STOCK_PASTE, agr)
pastem.connect('activate', self._on_menu_click)
editmenu.append(pastem)
deletem = gtk.ImageMenuItem(gtk.STOCK_DELETE, agr)
deletem.connect('activate', self._on_menu_click)
editmenu.append(deletem)
editmenu.append(gtk.SeparatorMenuItem())
findm = gtk.ImageMenuItem(gtk.STOCK_FIND, agr)
findm.connect('activate', self._on_menu_click)
editmenu.append(findm)
findreplacem = gtk.ImageMenuItem(gtk.STOCK_FIND_AND_REPLACE, agr)
findreplacem.connect('activate', self._on_menu_click)
editmenu.append(findreplacem)
# Help menu
qmenu = gtk.Menu()
qm = gtk.MenuItem("_Help")
qm.set_submenu(qmenu)
helpm = gtk.ImageMenuItem(gtk.STOCK_HELP, agr)
helpm.connect('activate', self._on_menu_click)
qmenu.append(helpm)
aboutm = gtk.ImageMenuItem(gtk.STOCK_ABOUT, agr)
aboutm.connect('activate', self._on_menu_click)
qmenu.append(aboutm)
# Add stuff
menu_bar.append(filem)
menu_bar.append(editm)
menu_bar.append(qm)
self.menu_actions = {}
self.menu_actions[newm] = new_instance
self.menu_actions[savem] = self.save
self.menu_actions[saveasm] = self.save_as
self.menu_actions[exportm] = None
self.menu_actions[openm] = self.open
self.menu_actions[quitm] = self.quit
self.menu_actions[copym] = self.copy
self.menu_actions[cutm] = self.cut
self.menu_actions[pastem] = self.paste
self.menu_actions[deletem] = self.delete
self.menu_actions[findm] = self.toggle_find_box
self.menu_actions[findreplacem] = self.toggle_find_replace_box
self.menu_actions[aboutm] = self.show_about
self.menu_actions[helpm] = self.show_help
return menu_bar
def create_status_bar(self):
sbarbox = gtk.HBox(False, 0)
# Buttons
button_focus = gtk.ToggleButton("Focus")
ico_focus = gtk.image_new_from_file("icons/system-search.png")
button_focus.set_image(ico_focus)
button_focus.set_active(True)
button_focus.connect("clicked", self._on_button_click)
self.button_fullscreen = gtk.ToggleButton("Fullscreen")
ico_fullscreen = gtk.image_new_from_file("icons/view-fullscreen.png")
self.button_fullscreen.set_image(ico_fullscreen)
self.button_fullscreen.connect("clicked", self._on_button_click)
self.button_actions = {}
self.button_actions[button_focus] = self.focus
self.button_actions[self.button_fullscreen] = self.fullscreen
sbar_wc = gtk.Statusbar()
context_id = sbar_wc.get_context_id("main_window")
sbar_wc.push(context_id, "wc")
sbarbox.pack_start(button_focus, False, False, 0)
sbarbox.pack_start(self.button_fullscreen, False, False, 0)
sbarbox.pack_end(sbar_wc, True, True, 0)
return sbarbox
def focus(self):
self.view.toggle_focus_mode()
# Focus TextView
self.win.set_focus(self.view)
def fullscreen(self):
# Gtk doesnt provied a way to check a windows state, so we have to
# keep track ourselves
if self.is_fullscreen:
self.win.unfullscreen()
self.is_fullscreen = False
else:
self.win.fullscreen()
self.is_fullscreen = True
# Focus TextView
self.win.set_focus(self.view)
def set_window_title(self):
if self.filename:
filename = self.filename
else:
filename = 'Untitled'
if self.buffer.get_modified():
self.win.set_title(filename + '*' + ' - Scribber')
else:
self.win.set_title(filename + ' - Scribber')
def _on_menu_click(self, widget, data=None):
""" Called when clicked on a menu item. """
if widget in self.menu_actions:
self.menu_actions[widget]()
def _on_button_click(self, widget, data=None):
""" Called when clicked on a button. """
if widget in self.button_actions:
self.button_actions[widget]()
def _on_mouse_motion(self, widget, event, data=None):
self.fade_box.fadein()
def _on_buffer_changed(self, buffer, iter, text, length=None):
self.fade_box.fadeout()
def _on_buffer_modified_change(self, widget, data=None):
""" Called when the TextBuffer of our TextView gets modified.
Only used to set the right window title (* when Buffer is
modified)."""
self.set_window_title()
def _on_window_state_event(self, widget, event, data=None):
""" Called when the window state changes (e.g.
Fullscreen/Unfullscreen). Needed to determine the correct state
for the fullscreen button, because fullscreen can be set
externally."""
if event.new_window_state == gtk.gdk.WINDOW_STATE_FULLSCREEN:
self.button_fullscreen.set_active(True)
self.is_fullscreen = True
elif event.new_window_state == 0: # fullscreen has been removed
self.button_fullscreen.set_active(False)
self.is_fullscreen = False
def _on_window_resize(self, requisition, data=None):
self.view.focus_current_sentence()
def _delete_event(self, widget, event, data=None):
self.log.info('Caught delete event on main window')
response = None
if self.buffer.get_modified():
response = self.show_ask_save_dialog()
# When this returns True (it means the Safe-Dialog was canceled) we
# dont quit
result = response == gtk.RESPONSE_CANCEL
if not result:
gtk.main_quit()
return result
def quit(self):
self.win.emit("delete-event", gtk.gdk.Event(gtk.gdk.DELETE))