sugar-toolkit-gtk3/src/sugar/graphics/palettewindow.py

975 lines
30 KiB
Python
Raw Normal View History

2009-08-01 16:15:01 +02:00
# Copyright (C) 2007, Eduardo Silva <edsiper@gmail.com>
# Copyright (C) 2008, One Laptop Per Child
# Copyright (C) 2009, Tomeu Vizoso
#
# This library is free software; you can redistribute it and/or
# modify it under the terms of the GNU Lesser General Public
# License as published by the Free Software Foundation; either
# version 2 of the License, or (at your option) any later version.
#
# This library is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
# Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public
# License along with this library; if not, write to the
# Free Software Foundation, Inc., 59 Temple Place - Suite 330,
# Boston, MA 02111-1307, USA.
"""
STABLE.
"""
import logging
import gtk
import gobject
import hippo
from sugar.graphics import palettegroup
from sugar.graphics import animator
from sugar.graphics import style
2009-08-25 21:12:40 +02:00
2009-08-01 16:15:01 +02:00
def _calculate_gap(a, b):
2009-08-25 21:12:40 +02:00
"""Helper function to find the gap position and size of widget a"""
2009-08-01 16:15:01 +02:00
# Test for each side if the palette and invoker are
# adjacent to each other.
gap = True
if a.y + a.height == b.y:
gap_side = gtk.POS_BOTTOM
elif a.x + a.width == b.x:
gap_side = gtk.POS_RIGHT
elif a.x == b.x + b.width:
gap_side = gtk.POS_LEFT
elif a.y == b.y + b.height:
gap_side = gtk.POS_TOP
else:
gap = False
2009-08-01 16:15:01 +02:00
if gap:
if gap_side == gtk.POS_BOTTOM or gap_side == gtk.POS_TOP:
gap_start = min(a.width, max(0, b.x - a.x))
gap_size = max(0, min(a.width,
(b.x + b.width) - a.x) - gap_start)
elif gap_side == gtk.POS_RIGHT or gap_side == gtk.POS_LEFT:
gap_start = min(a.height, max(0, b.y - a.y))
gap_size = max(0, min(a.height,
(b.y + b.height) - a.y) - gap_start)
if gap and gap_size > 0:
return (gap_side, gap_start, gap_size)
else:
return False
2009-08-25 21:12:40 +02:00
2009-08-01 16:15:01 +02:00
class MouseSpeedDetector(gobject.GObject):
__gsignals__ = {
'motion-slow': (gobject.SIGNAL_RUN_FIRST, gobject.TYPE_NONE, ([])),
'motion-fast': (gobject.SIGNAL_RUN_FIRST, gobject.TYPE_NONE, ([])),
}
_MOTION_SLOW = 1
_MOTION_FAST = 2
def __init__(self, parent, delay, thresh):
"""Create MouseSpeedDetector object,
delay in msec
threshold in pixels (per tick of 'delay' msec)"""
gobject.GObject.__init__(self)
self._threshold = thresh
self._parent = parent
self._delay = delay
self._state = None
self._timeout_hid = None
self._mouse_pos = None
def start(self):
self.stop()
self._mouse_pos = self._get_mouse_position()
self._timeout_hid = gobject.timeout_add(self._delay, self._timer_cb)
def stop(self):
if self._timeout_hid is not None:
gobject.source_remove(self._timeout_hid)
self._state = None
def _get_mouse_position(self):
display = gtk.gdk.display_get_default()
screen_, x, y, mask_ = display.get_pointer()
return (x, y)
def _detect_motion(self):
oldx, oldy = self._mouse_pos
(x, y) = self._get_mouse_position()
self._mouse_pos = (x, y)
dist2 = (oldx - x)**2 + (oldy - y)**2
if dist2 > self._threshold**2:
return True
else:
return False
def _timer_cb(self):
motion = self._detect_motion()
if motion and self._state != self._MOTION_FAST:
self.emit('motion-fast')
self._state = self._MOTION_FAST
elif not motion and self._state != self._MOTION_SLOW:
self.emit('motion-slow')
self._state = self._MOTION_SLOW
return True
2009-08-25 21:12:40 +02:00
2009-08-01 16:15:01 +02:00
class PaletteWindow(gtk.Window):
__gtype_name__ = 'SugarPaletteWindow'
__gsignals__ = {
2009-08-25 21:12:40 +02:00
'popup': (gobject.SIGNAL_RUN_FIRST, gobject.TYPE_NONE, ([])),
'popdown': (gobject.SIGNAL_RUN_FIRST, gobject.TYPE_NONE, ([])),
'activate': (gobject.SIGNAL_RUN_FIRST, gobject.TYPE_NONE, ([])),
2009-08-01 16:15:01 +02:00
}
def __init__(self, **kwargs):
self._group_id = None
self._invoker = None
self._invoker_hids = []
self._cursor_x = 0
self._cursor_y = 0
self._alignment = None
self._up = False
self._old_alloc = None
self._popup_anim = animator.Animator(.5, 10)
self._popup_anim.add(_PopupAnimation(self))
self._popdown_anim = animator.Animator(0.6, 10)
self._popdown_anim.add(_PopdownAnimation(self))
gobject.GObject.__init__(self, **kwargs)
self.set_decorated(False)
self.set_resizable(False)
# Just assume xthickness and ythickness are the same
self.set_border_width(self.get_style().xthickness)
accel_group = gtk.AccelGroup()
self.set_data('sugar-accel-group', accel_group)
self.add_accel_group(accel_group)
self.set_group_id("default")
self.connect('show', self.__show_cb)
self.connect('hide', self.__hide_cb)
self.connect('realize', self.__realize_cb)
self.connect('destroy', self.__destroy_cb)
self.connect('enter-notify-event', self.__enter_notify_event_cb)
self.connect('leave-notify-event', self.__leave_notify_event_cb)
self._mouse_detector = MouseSpeedDetector(self, 200, 5)
self._mouse_detector.connect('motion-slow', self._mouse_slow_cb)
def __destroy_cb(self, palette):
self.set_group_id(None)
def set_invoker(self, invoker):
for hid in self._invoker_hids[:]:
2009-08-01 16:15:01 +02:00
self._invoker.disconnect(hid)
self._invoker_hids.remove(hid)
self._invoker = invoker
if invoker is not None:
self._invoker_hids.append(self._invoker.connect(
'mouse-enter', self._invoker_mouse_enter_cb))
self._invoker_hids.append(self._invoker.connect(
'mouse-leave', self._invoker_mouse_leave_cb))
self._invoker_hids.append(self._invoker.connect(
'right-click', self._invoker_right_click_cb))
def get_invoker(self):
return self._invoker
invoker = gobject.property(type=object,
getter=get_invoker,
setter=set_invoker)
def __realize_cb(self, widget):
self.window.set_type_hint(gtk.gdk.WINDOW_TYPE_HINT_DIALOG)
def _mouse_slow_cb(self, widget):
self._mouse_detector.stop()
self._palette_do_popup()
def _palette_do_popup(self):
immediate = False
if self.is_up():
self._popdown_anim.stop()
2009-08-01 16:15:01 +02:00
return
if self._group_id:
group = palettegroup.get_group(self._group_id)
if group and group.is_up():
immediate = True
group.popdown()
self.popup(immediate=immediate)
def is_up(self):
return self._up
def set_group_id(self, group_id):
if self._group_id:
group = palettegroup.get_group(self._group_id)
group.remove(self)
if group_id:
self._group_id = group_id
group = palettegroup.get_group(group_id)
group.add(self)
def get_group_id(self):
return self._group_id
group_id = gobject.property(type=str,
getter=get_group_id,
setter=set_group_id)
def do_size_request(self, requisition):
gtk.Window.do_size_request(self, requisition)
requisition.width = max(requisition.width, style.GRID_CELL_SIZE * 2)
def do_size_allocate(self, allocation):
gtk.Window.do_size_allocate(self, allocation)
if self._old_alloc is None or \
self._old_alloc.x != allocation.x or \
self._old_alloc.y != allocation.y or \
self._old_alloc.width != allocation.width or \
self._old_alloc.height != allocation.height:
self.queue_draw()
# We need to store old allocation because when size_allocate
# is called widget.allocation is already updated.
# gtk.Window resizing is different from normal containers:
# the X window is resized, widget.allocation is updated from
# the configure request handler and finally size_allocate is called.
self._old_alloc = allocation
def do_expose_event(self, event):
# We want to draw a border with a beautiful gap
if self._invoker is not None and self._invoker.has_rectangle_gap():
invoker = self._invoker.get_rect()
palette = self.get_rect()
gap = _calculate_gap(palette, invoker)
else:
gap = False
allocation = self.get_allocation()
wstyle = self.get_style()
if gap:
wstyle.paint_box_gap(event.window, gtk.STATE_PRELIGHT,
gtk.SHADOW_IN, event.area, self, "palette",
0, 0, allocation.width, allocation.height,
gap[0], gap[1], gap[2])
else:
wstyle.paint_box(event.window, gtk.STATE_PRELIGHT,
gtk.SHADOW_IN, event.area, self, "palette",
0, 0, allocation.width, allocation.height)
# Fall trough to the container expose handler.
# (Leaving out the window expose handler which redraws everything)
gtk.Bin.do_expose_event(self, event)
def update_position(self):
invoker = self._invoker
if invoker is None or self._alignment is None:
logging.error('Cannot update the palette position.')
return
rect = self.size_request()
position = invoker.get_position_for_alignment(self._alignment, rect)
if position is None:
position = invoker.get_position(rect)
self.move(position.x, position.y)
def get_full_size_request(self):
return self.size_request()
def popup(self, immediate=False):
if self._invoker is not None:
full_size_request = self.get_full_size_request()
self._alignment = self._invoker.get_alignment(full_size_request)
self.update_position()
self.set_transient_for(self._invoker.get_toplevel())
self._popdown_anim.stop()
if not immediate:
self._popup_anim.start()
else:
self._popup_anim.stop()
2009-08-01 16:15:01 +02:00
self.show()
# we have to invoke update_position() twice
# since WM could ignore first move() request
self.update_position()
2009-08-01 16:15:01 +02:00
def popdown(self, immediate=False):
2009-08-24 12:54:02 +02:00
logging.debug('PaletteWindow.popdown immediate %r', immediate)
2009-08-01 16:15:01 +02:00
self._popup_anim.stop()
2009-08-01 16:15:01 +02:00
self._mouse_detector.stop()
if not immediate:
self._popdown_anim.start()
else:
self._popdown_anim.stop()
self.size_request()
2009-08-01 16:15:01 +02:00
self.hide()
def on_invoker_enter(self):
self._mouse_detector.start()
def on_invoker_leave(self):
self._mouse_detector.stop()
self.popdown()
def on_enter(self, event):
self._popdown_anim.stop()
def on_leave(self, event):
self.popdown()
def _invoker_mouse_enter_cb(self, invoker):
self.on_invoker_enter()
def _invoker_mouse_leave_cb(self, invoker):
self.on_invoker_leave()
def _invoker_right_click_cb(self, invoker):
self.popup(immediate=True)
def __enter_notify_event_cb(self, widget, event):
if event.detail != gtk.gdk.NOTIFY_INFERIOR and \
event.mode == gtk.gdk.CROSSING_NORMAL:
self.on_enter(event)
def __leave_notify_event_cb(self, widget, event):
if event.detail != gtk.gdk.NOTIFY_INFERIOR and \
event.mode == gtk.gdk.CROSSING_NORMAL:
self.on_leave(event)
def __show_cb(self, widget):
self._invoker.notify_popup()
self._up = True
self.emit('popup')
def __hide_cb(self, widget):
logging.debug('__hide_cb')
if self._invoker:
self._invoker.notify_popdown()
self._up = False
self.emit('popdown')
def get_rect(self):
win_x, win_y = self.window.get_origin()
rectangle = self.get_allocation()
x = win_x + rectangle.x
y = win_y + rectangle.y
width, height = self.size_request()
2009-08-01 16:15:01 +02:00
return gtk.gdk.Rectangle(x, y, width, height)
def get_palette_state(self):
return self._palette_state
def _set_palette_state(self, state):
self._palette_state = state
def set_palette_state(self, state):
self._set_palette_state(state)
palette_state = property(get_palette_state)
2009-08-25 21:12:40 +02:00
2009-08-01 16:15:01 +02:00
class _PopupAnimation(animator.Animation):
2009-08-25 21:12:40 +02:00
2009-08-01 16:15:01 +02:00
def __init__(self, palette):
animator.Animation.__init__(self, 0.0, 1.0)
self._palette = palette
def next_frame(self, current):
if current == 1.0:
self._palette.popup(immediate=True)
2009-08-01 16:15:01 +02:00
2009-08-25 21:12:40 +02:00
2009-08-01 16:15:01 +02:00
class _PopdownAnimation(animator.Animation):
2009-08-25 21:12:40 +02:00
2009-08-01 16:15:01 +02:00
def __init__(self, palette):
animator.Animation.__init__(self, 0.0, 1.0)
self._palette = palette
def next_frame(self, current):
if current == 1.0:
self._palette.popdown(immediate=True)
2009-08-01 16:15:01 +02:00
2009-08-25 21:12:40 +02:00
2009-08-01 16:15:01 +02:00
class Invoker(gobject.GObject):
2009-08-25 21:12:40 +02:00
2009-08-01 16:15:01 +02:00
__gtype_name__ = 'SugarPaletteInvoker'
__gsignals__ = {
'mouse-enter': (gobject.SIGNAL_RUN_FIRST, gobject.TYPE_NONE, ([])),
'mouse-leave': (gobject.SIGNAL_RUN_FIRST, gobject.TYPE_NONE, ([])),
'right-click': (gobject.SIGNAL_RUN_FIRST, gobject.TYPE_NONE, ([])),
2009-08-25 21:12:40 +02:00
'focus-out': (gobject.SIGNAL_RUN_FIRST, gobject.TYPE_NONE, ([])),
2009-08-01 16:15:01 +02:00
}
ANCHORED = 0
AT_CURSOR = 1
2009-08-25 21:12:40 +02:00
BOTTOM = [(0.0, 0.0, 0.0, 1.0), (-1.0, 0.0, 1.0, 1.0)]
RIGHT = [(0.0, 0.0, 1.0, 0.0), (0.0, -1.0, 1.0, 1.0)]
TOP = [(0.0, -1.0, 0.0, 0.0), (-1.0, -1.0, 1.0, 0.0)]
LEFT = [(-1.0, 0.0, 0.0, 0.0), (-1.0, -1.0, 0.0, 1.0)]
2009-08-01 16:15:01 +02:00
def __init__(self):
gobject.GObject.__init__(self)
self.parent = None
self._screen_area = gtk.gdk.Rectangle(0, 0, gtk.gdk.screen_width(),
gtk.gdk.screen_height())
self._position_hint = self.ANCHORED
self._cursor_x = -1
self._cursor_y = -1
self._palette = None
def attach(self, parent):
self.parent = parent
def detach(self):
self.parent = None
if self._palette is not None:
self._palette.destroy()
self._palette = None
def _get_position_for_alignment(self, alignment, palette_dim):
palette_halign = alignment[0]
palette_valign = alignment[1]
invoker_halign = alignment[2]
invoker_valign = alignment[3]
if self._cursor_x == -1 or self._cursor_y == -1:
display = gtk.gdk.display_get_default()
screen_, x, y, mask_ = display.get_pointer()
self._cursor_x = x
self._cursor_y = y
if self._position_hint is self.ANCHORED:
rect = self.get_rect()
else:
dist = style.PALETTE_CURSOR_DISTANCE
rect = gtk.gdk.Rectangle(self._cursor_x - dist,
self._cursor_y - dist,
dist * 2, dist * 2)
palette_width, palette_height = palette_dim
x = rect.x + rect.width * invoker_halign + \
palette_width * palette_halign
y = rect.y + rect.height * invoker_valign + \
palette_height * palette_valign
return gtk.gdk.Rectangle(int(x), int(y),
palette_width, palette_height)
def _in_screen(self, rect):
return rect.x >= self._screen_area.x and \
rect.y >= self._screen_area.y and \
rect.x + rect.width <= self._screen_area.width and \
rect.y + rect.height <= self._screen_area.height
def _get_area_in_screen(self, rect):
"""Return area of rectangle visible in the screen"""
x1 = max(rect.x, self._screen_area.x)
y1 = max(rect.y, self._screen_area.y)
x2 = min(rect.x + rect.width,
self._screen_area.x + self._screen_area.width)
y2 = min(rect.y + rect.height,
self._screen_area.y + self._screen_area.height)
return (x2 - x1) * (y2 - y1)
def _get_alignments(self):
if self._position_hint is self.AT_CURSOR:
return [(0.0, 0.0, 1.0, 1.0),
(0.0, -1.0, 1.0, 0.0),
(-1.0, -1.0, 0.0, 0.0),
(-1.0, 0.0, 0.0, 1.0)]
else:
return self.BOTTOM + self.RIGHT + self.TOP + self.LEFT
def get_position_for_alignment(self, alignment, palette_dim):
rect = self._get_position_for_alignment(alignment, palette_dim)
if self._in_screen(rect):
return rect
else:
return None
def get_position(self, palette_dim):
alignment = self.get_alignment(palette_dim)
rect = self._get_position_for_alignment(alignment, palette_dim)
2009-08-25 21:12:40 +02:00
# In case our efforts to find an optimum place inside the screen
# failed, just make sure the palette fits inside the screen if at all
# possible.
2009-08-01 16:15:01 +02:00
rect.x = max(0, rect.x)
rect.y = max(0, rect.y)
rect.x = min(rect.x, self._screen_area.width - rect.width)
rect.y = min(rect.y, self._screen_area.height - rect.height)
return rect
def get_alignment(self, palette_dim):
best_alignment = None
best_area = -1
for alignment in self._get_alignments():
pos = self._get_position_for_alignment(alignment, palette_dim)
if self._in_screen(pos):
return alignment
area = self._get_area_in_screen(pos)
if area > best_area:
best_alignment = alignment
best_area = area
# Palette horiz/vert alignment
ph = best_alignment[0]
pv = best_alignment[1]
# Invoker horiz/vert alignment
ih = best_alignment[2]
iv = best_alignment[3]
rect = self.get_rect()
screen_area = self._screen_area
if best_alignment in self.LEFT or best_alignment in self.RIGHT:
dtop = rect.y - screen_area.y
dbottom = screen_area.y + screen_area.height - rect.y - rect.width
iv = 0
# Set palette_valign to align to screen on the top
if dtop > dbottom:
pv = -float(dtop) / palette_dim[1]
# Set palette_valign to align to screen on the bottom
else:
pv = -float(palette_dim[1] - dbottom - rect.height) \
/ palette_dim[1]
elif best_alignment in self.TOP or best_alignment in self.BOTTOM:
dleft = rect.x - screen_area.x
dright = screen_area.x + screen_area.width - rect.x - rect.width
ih = 0
# Set palette_halign to align to screen on left
if dleft > dright:
ph = -float(dleft) / palette_dim[0]
# Set palette_halign to align to screen on right
else:
ph = -float(palette_dim[0] - dright - rect.width) \
/ palette_dim[0]
return (ph, pv, ih, iv)
def has_rectangle_gap(self):
return False
def draw_rectangle(self, event, palette):
pass
def notify_popup(self):
pass
def notify_popdown(self):
self._cursor_x = -1
self._cursor_y = -1
def _ensure_palette_exists(self):
if self.parent and self.palette is None:
palette = self.parent.create_palette()
if palette is not None:
self.palette = palette
def notify_mouse_enter(self):
self._ensure_palette_exists()
self.emit('mouse-enter')
def notify_mouse_leave(self):
self.emit('mouse-leave')
def notify_right_click(self):
self._ensure_palette_exists()
self.emit('right-click')
def get_palette(self):
return self._palette
2009-08-01 16:15:01 +02:00
def set_palette(self, palette):
if self._palette is not None:
self._palette.popdown(immediate=True)
2009-08-01 16:15:01 +02:00
if self._palette:
self._palette.props.invoker = None
self._palette = palette
if self._palette:
self._palette.props.invoker = self
palette = gobject.property(
type=object, setter=set_palette, getter=get_palette)
2009-08-25 21:12:40 +02:00
2009-08-01 16:15:01 +02:00
class WidgetInvoker(Invoker):
2009-08-25 21:12:40 +02:00
2009-08-01 16:15:01 +02:00
def __init__(self, parent=None, widget=None):
Invoker.__init__(self)
self._widget = None
self._enter_hid = None
self._leave_hid = None
self._release_hid = None
if parent or widget:
self.attach_widget(parent, widget)
def attach_widget(self, parent, widget=None):
if widget:
self._widget = widget
else:
self._widget = parent
self.notify('widget')
self._enter_hid = self._widget.connect('enter-notify-event',
2009-08-25 21:12:40 +02:00
self.__enter_notify_event_cb)
2009-08-01 16:15:01 +02:00
self._leave_hid = self._widget.connect('leave-notify-event',
2009-08-25 21:12:40 +02:00
self.__leave_notify_event_cb)
2009-08-01 16:15:01 +02:00
self._release_hid = self._widget.connect('button-release-event',
2009-08-25 21:12:40 +02:00
self.__button_release_event_cb)
2009-08-01 16:15:01 +02:00
self.attach(parent)
def detach(self):
Invoker.detach(self)
self._widget.disconnect(self._enter_hid)
self._widget.disconnect(self._leave_hid)
self._widget.disconnect(self._release_hid)
def get_rect(self):
allocation = self._widget.get_allocation()
if self._widget.window is not None:
x, y = self._widget.window.get_origin()
else:
logging.warning(
"Trying to position palette with invoker that's not realized.")
x = 0
y = 0
if self._widget.flags() & gtk.NO_WINDOW:
x += allocation.x
y += allocation.y
width = allocation.width
height = allocation.height
return gtk.gdk.Rectangle(x, y, width, height)
def has_rectangle_gap(self):
return True
def draw_rectangle(self, event, palette):
if self._widget.flags() & gtk.NO_WINDOW:
x, y = self._widget.allocation.x, self._widget.allocation.y
else:
x = y = 0
wstyle = self._widget.get_style()
gap = _calculate_gap(self.get_rect(), palette.get_rect())
if gap:
wstyle.paint_box_gap(event.window, gtk.STATE_PRELIGHT,
gtk.SHADOW_IN, event.area, self._widget,
"palette-invoker", x, y,
self._widget.allocation.width,
self._widget.allocation.height,
gap[0], gap[1], gap[2])
else:
wstyle.paint_box(event.window, gtk.STATE_PRELIGHT,
gtk.SHADOW_IN, event.area, self._widget,
"palette-invoker", x, y,
self._widget.allocation.width,
self._widget.allocation.height)
def __enter_notify_event_cb(self, widget, event):
self.notify_mouse_enter()
def __leave_notify_event_cb(self, widget, event):
self.notify_mouse_leave()
def __button_release_event_cb(self, widget, event):
if event.button == 3:
self.notify_right_click()
return True
else:
return False
def get_toplevel(self):
return self._widget.get_toplevel()
def notify_popup(self):
Invoker.notify_popup(self)
self._widget.queue_draw()
def notify_popdown(self):
Invoker.notify_popdown(self)
self._widget.queue_draw()
def _get_widget(self):
return self._widget
widget = gobject.property(type=object, getter=_get_widget, setter=None)
2009-08-25 21:12:40 +02:00
2009-08-01 16:15:01 +02:00
class CanvasInvoker(Invoker):
2009-08-25 21:12:40 +02:00
2009-08-01 16:15:01 +02:00
def __init__(self, parent=None):
Invoker.__init__(self)
self._position_hint = self.AT_CURSOR
self._motion_hid = None
self._release_hid = None
self._item = None
if parent:
self.attach(parent)
def attach(self, parent):
Invoker.attach(self, parent)
self._item = parent
self._motion_hid = self._item.connect('motion-notify-event',
self.__motion_notify_event_cb)
self._release_hid = self._item.connect('button-release-event',
self.__button_release_event_cb)
def detach(self):
Invoker.detach(self)
self._item.disconnect(self._motion_hid)
self._item.disconnect(self._release_hid)
def get_default_position(self):
return self.AT_CURSOR
def get_rect(self):
context = self._item.get_context()
if context:
x, y = context.translate_to_screen(self._item)
width, height = self._item.get_allocation()
return gtk.gdk.Rectangle(x, y, width, height)
else:
return gtk.gdk.Rectangle()
2009-08-01 16:15:01 +02:00
def __motion_notify_event_cb(self, button, event):
if event.detail == hippo.MOTION_DETAIL_ENTER:
self.notify_mouse_enter()
elif event.detail == hippo.MOTION_DETAIL_LEAVE:
self.notify_mouse_leave()
return False
def __button_release_event_cb(self, button, event):
if event.button == 3:
self.notify_right_click()
return True
else:
return False
def get_toplevel(self):
return hippo.get_canvas_for_item(self._item).get_toplevel()
2009-08-25 21:12:40 +02:00
2009-08-01 16:15:01 +02:00
class ToolInvoker(WidgetInvoker):
2009-08-25 21:12:40 +02:00
2009-08-01 16:15:01 +02:00
def __init__(self, parent=None):
WidgetInvoker.__init__(self)
if parent:
self.attach_tool(parent)
def attach_tool(self, widget):
self.attach_widget(widget, widget.child)
def _get_alignments(self):
parent = self._widget.get_parent()
if parent is None:
return WidgetInvoker._get_alignments()
if parent.get_orientation() is gtk.ORIENTATION_HORIZONTAL:
return self.BOTTOM + self.TOP
else:
return self.LEFT + self.RIGHT
2009-08-25 21:12:40 +02:00
2009-08-01 16:15:01 +02:00
class CellRendererInvoker(Invoker):
2009-08-25 21:12:40 +02:00
2009-08-01 16:15:01 +02:00
def __init__(self):
Invoker.__init__(self)
self._position_hint = self.AT_CURSOR
self._tree_view = None
self._cell_renderer = None
self._motion_hid = None
self._leave_hid = None
self._release_hid = None
self.path = None
def attach_cell_renderer(self, tree_view, cell_renderer):
self._tree_view = tree_view
self._cell_renderer = cell_renderer
self._motion_hid = tree_view.connect('motion-notify-event',
self.__motion_notify_event_cb)
self._leave_hid = tree_view.connect('leave-notify-event',
self.__leave_notify_event_cb)
self._release_hid = tree_view.connect('button-release-event',
self.__button_release_event_cb)
self.attach(cell_renderer)
def detach(self):
Invoker.detach(self)
self._tree_view.disconnect(self._motion_hid)
self._tree_view.disconnect(self._leave_hid)
self._tree_view.disconnect(self._release_hid)
def get_rect(self):
allocation = self._tree_view.get_allocation()
if self._tree_view.window is not None:
x, y = self._tree_view.window.get_origin()
else:
logging.warning(
"Trying to position palette with invoker that's not realized.")
x = 0
y = 0
if self._tree_view.flags() & gtk.NO_WINDOW:
x += allocation.x
y += allocation.y
width = allocation.width
height = allocation.height
return gtk.gdk.Rectangle(x, y, width, height)
def __motion_notify_event_cb(self, widget, event):
if event.window != widget.get_bin_window():
return
if self._point_in_cell_renderer(event.x, event.y):
tree_view = self._tree_view
path, column_, x_, y_ = tree_view.get_path_at_pos(int(event.x),
int(event.y))
if path != self.path:
if self.path is not None:
self._redraw_path(self.path)
if path is not None:
self._redraw_path(path)
if self.palette is not None:
self.palette.popdown(immediate=True)
self.palette = None
self.path = path
self.notify_mouse_enter()
else:
if self.path is not None:
self._redraw_path(self.path)
self.path = None
self.notify_mouse_leave()
def _redraw_path(self, path):
model = self._tree_view.get_model()
2009-08-24 14:51:00 +02:00
iterator = model.get_iter(path)
model.row_changed(path, iterator)
2009-08-01 16:15:01 +02:00
def __leave_notify_event_cb(self, widget, event):
self.notify_mouse_leave()
def __button_release_event_cb(self, widget, event):
2009-08-25 21:12:40 +02:00
if event.button == 1 and self._point_in_cell_renderer(event.x,
event.y):
2009-08-01 16:15:01 +02:00
tree_view = self._tree_view
path, column_, x_, y_ = tree_view.get_path_at_pos(int(event.x),
int(event.y))
self._cell_renderer.emit('clicked', path)
# So the treeview receives it and knows a drag isn't going on
return False
2009-08-25 21:12:40 +02:00
if event.button == 3 and self._point_in_cell_renderer(event.x,
event.y):
2009-08-01 16:15:01 +02:00
self.notify_right_click()
return True
else:
return False
def _point_in_cell_renderer(self, event_x, event_y):
pos = self._tree_view.get_path_at_pos(int(event_x), int(event_y))
if pos is None:
return False
2009-08-24 14:51:00 +02:00
path_, column, x, y_ = pos
2009-08-01 16:15:01 +02:00
for cell_renderer in column.get_cell_renderers():
if cell_renderer == self._cell_renderer:
cell_x, cell_width = column.cell_get_position(cell_renderer)
if x > cell_x and x < (cell_x + cell_width):
return True
return False
return False
def get_toplevel(self):
return self._tree_view.get_toplevel()
def notify_popup(self):
Invoker.notify_popup(self)
def notify_popdown(self):
Invoker.notify_popdown(self)
self.palette = None
def get_default_position(self):
return self.AT_CURSOR