Lightningbeam/GUI/Gtk/Event.py

148 lines
4.0 KiB
Python

#
# Python GUI - Events - Gtk
#
from gtk import gdk
from GUI import export
from GUI.GEvents import Event as GEvent
_gdk_button_mask = (
gdk.BUTTON1_MASK |
gdk.BUTTON2_MASK |
gdk.BUTTON3_MASK |
gdk.BUTTON4_MASK |
gdk.BUTTON5_MASK
)
_gdk_event_type_to_kind = {
gdk.BUTTON_PRESS: 'mouse_down',
gdk._2BUTTON_PRESS: 'mouse_down',
gdk._3BUTTON_PRESS: 'mouse_down',
gdk.MOTION_NOTIFY: 'mouse_move',
gdk.BUTTON_RELEASE: 'mouse_up',
gdk.KEY_PRESS: 'key_down',
gdk.KEY_RELEASE: 'key_up',
gdk.ENTER_NOTIFY: 'mouse_enter',
gdk.LEAVE_NOTIFY: 'mouse_leave',
}
_gtk_button_to_button = {
1: 'left',
2: 'middle',
3: 'right',
4: 'fourth',
5: 'fifth',
}
_gdk_keyval_to_keyname = {
0xFF50: 'home',
0xFF51: 'left_arrow',
0xFF52: 'up_arrow',
0xFF53: 'right_arrow',
0xFF54: 'down_arrow',
0xFF55: 'page_up',
0xFF56: 'page_down',
0xFF57: 'end',
#0xFF6A: 'help',
0xFF6A: 'insert',
0xFF0D: 'return',
0xFF8D: 'enter',
0xFFBE: 'f1',
0xFFBF: 'f2',
0xFFC0: 'f3',
0xFFC1: 'f4',
0xFFC2: 'f5',
0xFFC3: 'f6',
0xFFC4: 'f7',
0xFFC5: 'f8',
0xFFC6: 'f9',
0xFFC7: 'f10',
0xFFC8: 'f11',
0xFFC9: 'f12',
0xFFCA: 'f13',
0xFFCB: 'f14',
0xFFCC: 'f15',
0xFFFF: 'delete',
}
class Event(GEvent):
"""Platform-dependent modifiers (boolean):
mod1 The X11 MOD1 key.
"""
button = None
position = None
global_position = None
num_clicks = 0
char = None
key = None
auto = 0
def _gtk_key_event_of_interest(gtk_event):
keyval = gtk_event.keyval
return (keyval <= 0xFF
or 0xFF00 <= keyval <= 0xFF1F
or 0xFF80 <= keyval <= 0xFFBD
or keyval == 0xFE20 # shift-tab
or keyval == 0xFFFF
or keyval in _gdk_keyval_to_keyname)
_gtk_key_event_of_interest = staticmethod(_gtk_key_event_of_interest)
def _from_gtk_key_event(cls, gtk_event):
event = cls.__new__(cls)
event._set_from_gtk_event(gtk_event)
keyval = gtk_event.keyval
event._keycode = keyval
#print "Event._from_gtk_key_event: keyval = 0x%04X" % keyval ###
key = _gdk_keyval_to_keyname.get(keyval, "")
if keyval == 0xFFFF: # GDK_Delete
char = "\x7F"
elif keyval == 0xFF8D:
char = "\r"
elif keyval == 0xFE20: # shift-tab
char = "\t"
elif keyval <= 0xFF1F:
if event.control:
char = chr(keyval & 0x1F)
else:
char = chr(keyval & 0x7F)
else:
char = ""
if not key and "\x20" <= char <= "\x7e":
key = char
event.char = char
event.key = key
event.unichars = unicode(char)
return event
_from_gtk_key_event = classmethod(_from_gtk_key_event)
def _from_gtk_mouse_event(cls, gtk_event):
event = cls.__new__(cls)
event._set_from_gtk_event(gtk_event)
if event.kind in ('mouse_down', 'mouse_up'):
event.button = _gtk_button_to_button[gtk_event.button]
event.position = (gtk_event.x, gtk_event.y)
event.global_position = (gtk_event.x_root, gtk_event.y_root)
return event
_from_gtk_mouse_event = classmethod(_from_gtk_mouse_event)
def _set_from_gtk_event(self, gtk_event):
typ = gtk_event.type
state = gtk_event.state
if typ == gdk.MOTION_NOTIFY and state & _gdk_button_mask:
self.kind = 'mouse_drag'
else:
self.kind = _gdk_event_type_to_kind[gtk_event.type]
self.time = gtk_event.time / 1000.0
self.shift = self.extend_contig = (state & gdk.SHIFT_MASK) <> 0
self.control = self.extend_noncontig = (state & gdk.CONTROL_MASK) <> 0
self.option = self.mod1 = (state & gdk.MOD1_MASK) <> 0
def _platform_modifiers_str(self):
return " mod1:%s" % (self.mod1)
export(Event)