Lightningbeam/PyGUI-2.5.3/GUI/Gtk/TextField.py

189 lines
6.4 KiB
Python

#
# Python GUI - Text fields - Gtk
#
import gtk
from GUI import export
from GUI.Properties import overridable_property
from GUI import application
from GUI.StdFonts import application_font
from GUI.GTextFields import TextField as GTextField
gtk_margins = (2, 2, 0, 0)
class TextField(GTextField):
_pass_key_events_to_platform = True
_multiline = 0
def __init__(self, font = application_font, lines = 1,
multiline = 0, password = 0, **kwds):
self._multiline = multiline
lm, tm, rm, bm = gtk_margins
if multiline:
gtk_textbuffer = gtk.TextBuffer()
gtk_textview = gtk.TextView(gtk_textbuffer)
#gtk_textview.set_accepts_tab(False) #^%$#^%$!!! moves the focus itself.
#self._gtk_connect(gtk_textview, 'key-press-event', self._gtk_key_press_event)
gtk_alignment = gtk.Alignment(0.5, 0.5, 1.0, 1.0)
gtk_alignment.set_padding(tm, bm, lm, rm)
gtk_alignment.add(gtk_textview)
gtk_box = gtk.EventBox()
gtk_box.add(gtk_alignment)
gtk_box.modify_bg(gtk.STATE_NORMAL,
gtk_textview.style.base[gtk.STATE_NORMAL])
gtk_frame = gtk.Frame()
gtk_frame.set_shadow_type(gtk.SHADOW_IN)
gtk_frame.add(gtk_box)
self._gtk_textbuffer = gtk_textbuffer
gtk_text_widget = gtk_textview
gtk_outer = gtk_frame
else:
gtk_entry = gtk.Entry()
#self._gtk_connect(gtk_entry, 'key-press-event', self._gtk_key_press_event)
self._gtk_entry = gtk_entry
gtk_text_widget = gtk_entry
gtk_outer = gtk_entry
self._font = font
gtk_text_widget.modify_font(font._pango_description)
self._vertical_padding = tm + 2 * gtk_outer.style.ythickness + bm
height = self._vertical_padding + lines * font.text_size("X")[1]
gtk_outer.set_size_request(-1, height)
self._password = password
if password:
if not multiline:
self._gtk_entry.set_visibility(0)
self._gtk_entry.set_invisible_char("*")
else:
raise ValueError("The password option is not supported for multiline"
" TextFields on this platform")
gtk_outer.show_all()
GTextField.__init__(self,
_gtk_outer = gtk_outer,
_gtk_title = gtk_text_widget,
_gtk_focus = gtk_text_widget,
_gtk_input = gtk_text_widget,
multiline = multiline, **kwds)
def get_text(self):
if self._multiline:
gtk_textbuffer = self._gtk_textbuffer
start = gtk_textbuffer.get_start_iter()
end = gtk_textbuffer.get_end_iter()
return self._gtk_textbuffer.get_text(start, end, 1)
else:
return self._gtk_entry.get_text()
def set_text(self, text):
if self._multiline:
self._gtk_textbuffer.set_text(text)
else:
self._gtk_entry.set_text(text)
def get_selection(self):
if self._multiline:
gtk_textbuffer = self._gtk_textbuffer
start_iter, end_iter = self._gtk_get_sel_iters()
start = start_iter.get_offset()
end = end_iter.get_offset()
sel = (start, end)
else:
sel = self._gtk_get_sel_positions()
return sel
def _gtk_get_sel_iters(self):
gtk_textbuffer = self._gtk_textbuffer
sel_iters = gtk_textbuffer.get_selection_bounds()
if not sel_iters:
insert_mark = gtk_textbuffer.get_insert()
insert_iter = gtk_textbuffer.get_iter_at_mark(insert_mark)
sel_iters = (insert_iter, insert_iter)
return sel_iters
def _gtk_get_sel_positions(self):
gtk_entry = self._gtk_entry
sel = gtk_entry.get_selection_bounds()
if not sel:
pos = gtk_entry.get_position()
sel = (pos, pos)
return sel
def _set_selection(self, start, end):
if self._multiline:
gtk_textbuffer = self._gtk_textbuffer
start_iter = gtk_textbuffer.get_iter_at_offset(start)
end_iter = gtk_textbuffer.get_iter_at_offset(end)
gtk_textbuffer.select_range(start_iter, end_iter)
else:
self._gtk_entry.select_region(start, end)
def set_selection(self, (start, end)):
self._set_selection(start, end)
self.become_target()
def get_multiline(self):
return self._multiline
def get_password(self):
return self._password
def _select_all(self):
if self._multiline:
gtk_textbuffer = self._gtk_textbuffer
start = gtk_textbuffer.get_start_iter()
end = gtk_textbuffer.get_end_iter()
gtk_textbuffer.select_range(start, end)
else:
self._gtk_entry.select_region(0, -1)
def select_all(self):
self._select_all()
self.become_target()
def cut_cmd(self):
self.copy_cmd()
self.clear_cmd()
def copy_cmd(self):
if self._password:
return
if self._multiline:
gtk_textbuffer = self._gtk_textbuffer
start_iter, end_iter = self._gtk_get_sel_iters()
text = gtk_textbuffer.get_text(start_iter, end_iter, 1)
else:
start, end = self._gtk_get_sel_positions()
text = self._gtk_entry.get_chars(start, end)
if text:
application().set_clipboard(text)
def paste_cmd(self):
text = application().get_clipboard()
self.clear_cmd()
if self._multiline:
self._gtk_textbuffer.insert_at_cursor(text)
else:
gtk_entry = self._gtk_entry
pos = gtk_entry.get_position()
gtk_entry.insert_text(text, pos)
gtk_entry.set_position(pos + len(text))
def clear_cmd(self):
if self._multiline:
gtk_textbuffer = self._gtk_textbuffer
start_iter, end_iter = self._gtk_get_sel_iters()
gtk_textbuffer.delete(start_iter, end_iter)
else:
start, end = self._gtk_get_sel_positions()
self._gtk_entry.delete_text(start, end)
def _untargeted(self):
self._set_selection(0, 0)
def _tab_in(self):
self._select_all()
GTextField._tab_in(self)
export(TextField)