From a648956f7df33d0a359ed90a83cc01f08919f6b8 Mon Sep 17 00:00:00 2001 From: Aleksey Lim Date: Thu, 29 Jul 2010 17:53:50 +0000 Subject: Embody toolkit dependency --- (limited to 'toolkit/internals/palettewindow.py') 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 +# 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 -- cgit v0.9.1