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authorAleksey Lim <alsroot@member.fsf.org>2010-07-29 17:53:50 (GMT)
committer Aleksey Lim <alsroot@member.fsf.org>2010-07-29 17:53:50 (GMT)
commita648956f7df33d0a359ed90a83cc01f08919f6b8 (patch)
treefa4ea2ceca174e314139bdeec1b37a6f27e6f663 /toolkit/internals
parentb325f25f01dfa4ecf245aca82636227f2bfa6d10 (diff)
Embody toolkit dependencyfully-bundled
Diffstat (limited to 'toolkit/internals')
-rw-r--r--toolkit/internals/__init__.py14
-rw-r--r--toolkit/internals/palettewindow.py976
2 files changed, 990 insertions, 0 deletions
diff --git a/toolkit/internals/__init__.py b/toolkit/internals/__init__.py
new file mode 100644
index 0000000..44acb4d
--- /dev/null
+++ b/toolkit/internals/__init__.py
@@ -0,0 +1,14 @@
+# 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.
diff --git a/toolkit/internals/palettewindow.py b/toolkit/internals/palettewindow.py
new file mode 100644
index 0000000..d8c4326
--- /dev/null
+++ b/toolkit/internals/palettewindow.py
@@ -0,0 +1,976 @@
+# 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
+
+
+def _calculate_gap(a, b):
+ """Helper function to find the gap position and size of widget a"""
+ # 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
+
+ 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
+
+
+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
+
+
+class PaletteWindow(gtk.Window):
+
+ __gsignals__ = {
+ 'popup': (gobject.SIGNAL_RUN_FIRST, gobject.TYPE_NONE, ([])),
+ 'popdown': (gobject.SIGNAL_RUN_FIRST, gobject.TYPE_NONE, ([])),
+ 'activate': (gobject.SIGNAL_RUN_FIRST, gobject.TYPE_NONE, ([])),
+ }
+
+ 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[:]:
+ 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()
+ 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()
+ self.show()
+ # we have to invoke update_position() twice
+ # since WM could ignore first move() request
+ self.update_position()
+
+ def popdown(self, immediate=False):
+ logging.debug('PaletteWindow.popdown immediate %r', immediate)
+
+ self._popup_anim.stop()
+ self._mouse_detector.stop()
+
+ if not immediate:
+ self._popdown_anim.start()
+ else:
+ self._popdown_anim.stop()
+ self.size_request()
+ self.hide()
+
+ def on_invoker_enter(self):
+ self._popdown_anim.stop()
+ 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):
+ if self._invoker is not None:
+ 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()
+
+ 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)
+
+
+class _PopupAnimation(animator.Animation):
+
+ 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)
+
+
+class _PopdownAnimation(animator.Animation):
+
+ 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)
+
+
+class Invoker(gobject.GObject):
+
+ __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, ([])),
+ 'focus-out': (gobject.SIGNAL_RUN_FIRST, gobject.TYPE_NONE, ([])),
+ }
+
+ ANCHORED = 0
+ AT_CURSOR = 1
+
+ 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)]
+
+ 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)
+
+ # 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.
+ 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
+
+ def set_palette(self, palette):
+ if self._palette is not None:
+ self._palette.popdown(immediate=True)
+
+ 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)
+
+
+class WidgetInvoker(Invoker):
+
+ 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',
+ self.__enter_notify_event_cb)
+ self._leave_hid = self._widget.connect('leave-notify-event',
+ self.__leave_notify_event_cb)
+ self._release_hid = self._widget.connect('button-release-event',
+ self.__button_release_event_cb)
+
+ 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)
+
+
+class CanvasInvoker(Invoker):
+
+ 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()
+
+ 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()
+
+
+class ToolInvoker(WidgetInvoker):
+
+ 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
+
+
+class CellRendererInvoker(Invoker):
+
+ 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):
+ for column in self._tree_view.get_columns():
+ if self._cell_renderer in column.get_cell_renderers():
+ break
+ area = self._tree_view.get_background_area(path, column)
+ x, y = \
+ self._tree_view.convert_bin_window_to_widget_coords(area.x, area.y)
+ self._tree_view.queue_draw_area(x, y, area.width, area.height)
+
+ def __leave_notify_event_cb(self, widget, event):
+ self.notify_mouse_leave()
+
+ def __button_release_event_cb(self, widget, event):
+ if event.button == 1 and 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))
+ self._cell_renderer.emit('clicked', path)
+ # So the treeview receives it and knows a drag isn't going on
+ return False
+ if event.button == 3 and self._point_in_cell_renderer(event.x,
+ event.y):
+ 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
+
+ path_, column, x, y_ = pos
+
+ 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