From 0c3f127c86af818d260966d2292b199757087157 Mon Sep 17 00:00:00 2001 From: Simon Poirier Date: Sat, 11 Jul 2009 21:39:46 +0000 Subject: repackage --- (limited to 'src/sugar/graphics/palette.py') diff --git a/src/sugar/graphics/palette.py b/src/sugar/graphics/palette.py deleted file mode 100644 index de5b8e0..0000000 --- a/src/sugar/graphics/palette.py +++ /dev/null @@ -1,1124 +0,0 @@ -# Copyright (C) 2007, Eduardo Silva -# Copyright (C) 2008, One Laptop Per Child -# -# 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 -import pango - -from sugar.graphics import palettegroup -from sugar.graphics import animator -from sugar.graphics import style -from sugar.graphics.icon import Icon -from sugar import _sugarext - -# Helper function to find the gap position and size of widget a -def _calculate_gap(a, b): - # 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 Palette(gtk.Window): - PRIMARY = 0 - SECONDARY = 1 - - __gtype_name__ = 'SugarPalette' - - __gsignals__ = { - 'popup' : (gobject.SIGNAL_RUN_FIRST, - gobject.TYPE_NONE, ([])), - 'popdown' : (gobject.SIGNAL_RUN_FIRST, - gobject.TYPE_NONE, ([])) - } - - # DEPRECATED: label is passed with the primary-text property, accel_path - # is set via the invoker property, and menu_after_content is not used - def __init__(self, label=None, accel_path=None, menu_after_content=False, - text_maxlen=0, **kwargs): - - self.palette_state = self.PRIMARY - - self._primary_text = None - self._secondary_text = None - self._icon = None - self._icon_visible = True - self._group_id = None - - palette_box = gtk.VBox() - - primary_box = gtk.HBox() - palette_box.pack_start(primary_box, expand=False) - primary_box.show() - - self._icon_box = gtk.HBox() - self._icon_box.set_size_request(style.zoom(style.GRID_CELL_SIZE), -1) - primary_box.pack_start(self._icon_box, expand=False) - - labels_box = gtk.VBox() - self._label_alignment = gtk.Alignment(xalign=0, yalign=0.5, - xscale=1, yscale=0.33) - self._label_alignment.set_padding(0, 0, style.DEFAULT_SPACING, - style.DEFAULT_SPACING) - self._label_alignment.add(labels_box) - self._label_alignment.show() - primary_box.pack_start(self._label_alignment, expand=True) - labels_box.show() - - self._label = gtk.AccelLabel('') - self._label.set_alignment(0, 0.5) - - if text_maxlen > 0: - self._label.set_max_width_chars(text_maxlen) - self._label.set_ellipsize(pango.ELLIPSIZE_MIDDLE) - labels_box.pack_start(self._label, expand=True) - - self._secondary_label = gtk.Label() - self._secondary_label.set_alignment(0, 0.5) - - if text_maxlen > 0: - self._secondary_label.set_max_width_chars(text_maxlen) - self._secondary_label.set_ellipsize(pango.ELLIPSIZE_MIDDLE) - - labels_box.pack_start(self._secondary_label, expand=True) - - self._secondary_box = gtk.VBox() - palette_box.pack_start(self._secondary_box) - - self._separator = gtk.HSeparator() - self._secondary_box.pack_start(self._separator) - - self._menu_content_separator = gtk.HSeparator() - - self._popup_anim = animator.Animator(.5, 10) - self._popup_anim.add(_PopupAnimation(self)) - - self._secondary_anim = animator.Animator(2.0, 10) - self._secondary_anim.add(_SecondaryAnimation(self)) - - self._popdown_anim = animator.Animator(0.6, 10) - self._popdown_anim.add(_PopdownAnimation(self)) - - # we init after initializing all of our containers - 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) - - primary_box.set_size_request(-1, style.zoom(style.GRID_CELL_SIZE) - - 2 * self.get_border_width()) - - - 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._alignment = None - self._old_alloc = None - self._full_request = [0, 0] - self._cursor_x = 0 - self._cursor_y = 0 - self._invoker = None - self._group_id = None - self._up = False - self._menu_box = None - self._content = None - self._invoker_hids = [] - - self.set_group_id("default") - - # we set these for backward compatibility - if label is not None: - self.props.primary_text = label - - self._add_menu() - self._secondary_box.pack_start(self._menu_content_separator) - self._add_content() - - self.action_bar = PaletteActionBar() - self._secondary_box.pack_start(self.action_bar) - self.action_bar.show() - - self.add(palette_box) - palette_box.show() - - # The menu is not shown here until an item is added - self.menu = _Menu(self) - self.menu.connect('item-inserted', self.__menu_item_inserted_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 __menu_item_inserted_cb(self, menu): - self._update_separators() - - def __destroy_cb(self, palette): - self.set_group_id(None) - - # Break the reference cycle. It looks like the gc is not able to free - # it, possibly because gtk.Menu memory handling is very special. - self.menu = None - - def _add_menu(self): - self._menu_box = gtk.VBox() - self._secondary_box.pack_start(self._menu_box) - self._menu_box.show() - - def _add_content(self): - # The content is not shown until a widget is added - self._content = gtk.VBox() - self._content.set_border_width(style.DEFAULT_SPACING) - self._secondary_box.pack_start(self._content) - - def do_style_set(self, previous_style): - # Prevent a warning from pygtk - if previous_style is not None: - gtk.Window.do_style_set(self, previous_style) - self.set_border_width(self.get_style().xthickness) - - def is_up(self): - return self._up - - 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 = rectangle.width - height = rectangle.height - - return gtk.gdk.Rectangle(x, y, width, height) - - 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)) - if hasattr(invoker.props, 'widget'): - self._update_accel_widget() - logging.debug(('Setup widget', invoker.props.widget)) - self._invoker_hids.append(self._invoker.connect( - 'notify::widget', self._invoker_widget_changed_cb)) - - def get_invoker(self): - return self._invoker - - invoker = gobject.property(type=object, - getter=get_invoker, - setter=set_invoker) - - def _update_accel_widget(self): - assert self.props.invoker is not None - self._label.props.accel_widget = self.props.invoker.props.widget - - def set_primary_text(self, label, accel_path=None): - self._primary_text = label - - if label is not None: - self._label.set_markup('%s' % label) - self._label.show() - - def get_primary_text(self): - return self._primary_text - - primary_text = gobject.property(type=str, - getter=get_primary_text, - setter=set_primary_text) - - def set_secondary_text(self, label): - self._secondary_text = label - - if label is None: - self._secondary_label.hide() - else: - self._secondary_label.set_text(label) - self._secondary_label.show() - - def get_secondary_text(self): - return self._secondary_text - - - secondary_text = gobject.property(type=str, - getter=get_secondary_text, - setter=set_secondary_text) - def _show_icon(self): - self._label_alignment.set_padding(0, 0, 0, style.DEFAULT_SPACING) - self._icon_box.show() - - def _hide_icon(self): - self._icon_box.hide() - self._label_alignment.set_padding(0, 0, style.DEFAULT_SPACING, - style.DEFAULT_SPACING) - - def set_icon(self, icon): - if icon is None: - self._icon = None - self._hide_icon() - else: - if self._icon: - self._icon_box.remove(self._icon) - - self._icon = icon - self._icon.props.icon_size = gtk.ICON_SIZE_LARGE_TOOLBAR - self._icon_box.pack_start(self._icon) - self._icon.show() - self._show_icon() - - def get_icon(self): - return self._icon - - icon = gobject.property(type=object, getter=get_icon, setter=set_icon) - - def set_icon_visible(self, visible): - self._icon_visible = visible - - if visible and self._icon is not None: - self._show_icon() - else: - self._hide_icon() - - def get_icon_visible(self): - return self._icon_visilbe - - icon_visible = gobject.property(type=bool, - default=True, - getter=get_icon_visible, - setter=set_icon_visible) - - def set_content(self, widget): - if len(self._content.get_children()) > 0: - self._content.remove(self._content.get_children()[0]) - - if widget is not None: - self._content.add(widget) - self._content.show() - else: - self._content.hide() - - self._update_accept_focus() - self._update_separators() - - 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) - - # gtk.AccelLabel request doesn't include the accelerator. - label_width = self._label_alignment.size_request()[0] + \ - self._label.get_accel_width() + \ - 2 * self.get_border_width() - - requisition.width = max(requisition.width, - style.zoom(style.GRID_CELL_SIZE * 2), - label_width, - self._full_request[0]) - - 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_separators(self): - visible = len(self.menu.get_children()) > 0 or \ - len(self._content.get_children()) > 0 - self._separator.props.visible = visible - - visible = len(self.menu.get_children()) > 0 and \ - len(self._content.get_children()) > 0 - self._menu_content_separator.props.visible = visible - - def _update_accept_focus(self): - accept_focus = len(self._content.get_children()) - if self.window: - self.window.set_accept_focus(accept_focus) - - def __realize_cb(self, widget): - self.window.set_type_hint(gtk.gdk.WINDOW_TYPE_HINT_DIALOG) - self._update_accept_focus() - - def _update_full_request(self): - if self.palette_state == self.PRIMARY: - self.menu.embed(self._menu_box) - self._secondary_box.show() - - self._full_request = self.size_request() - - if self.palette_state == self.PRIMARY: - self.menu.unembed() - self._secondary_box.hide() - - 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 popup(self, immediate=False, state=None): - logging.debug('Palette.popup immediate %r' % immediate) - - if state is None: - state = self.PRIMARY - self.set_state(state) - - if self._invoker is not None: - self._update_full_request() - self._alignment = self._invoker.get_alignment(self._full_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.show() - - self._secondary_anim.start() - - def popdown(self, immediate=False): - logging.debug('Palette.popdown immediate %r' % immediate) - self._popup_anim.stop() - - self._mouse_detector.stop() - - if not immediate: - self._popdown_anim.start() - else: - self.hide() - - def set_state(self, state): - if self.palette_state == state: - return - - if state == self.PRIMARY: - self.menu.unembed() - self._secondary_box.hide() - elif state == self.SECONDARY: - self.menu.embed(self._menu_box) - self._secondary_box.show() - self._update_position() - - self.palette_state = state - - 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 _invoker_widget_changed_cb(self, invoker, spec): - self._update_accel_widget() - - def _invoker_mouse_enter_cb(self, invoker): - self._mouse_detector.start() - - def _invoker_mouse_leave_cb(self, invoker): - self._mouse_detector.stop() - self.popdown() - - def _invoker_right_click_cb(self, invoker): - self.popup(immediate=True, state=self.SECONDARY) - - def __enter_notify_event_cb(self, widget, event): - if event.detail != gtk.gdk.NOTIFY_INFERIOR and \ - event.mode == gtk.gdk.CROSSING_NORMAL: - self._popdown_anim.stop() - self._secondary_anim.start() - - def __leave_notify_event_cb(self, widget, event): - if event.detail != gtk.gdk.NOTIFY_INFERIOR and \ - event.mode == gtk.gdk.CROSSING_NORMAL: - self.popdown() - - def __show_cb(self, widget): - self.menu.set_active(True) - - self._invoker.notify_popup() - - self._up = True - self.emit('popup') - - def __hide_cb(self, widget): - logging.debug('__hide_cb') - self.menu.set_active(False) - - self._secondary_anim.stop() - - if self._invoker: - self._invoker.notify_popdown() - - self._up = False - self.emit('popdown') - - -class PaletteActionBar(gtk.HButtonBox): - def add_action(self, label, icon_name=None): - button = gtk.Button(label) - - if icon_name: - icon = Icon(icon_name) - button.set_image(icon) - icon.show() - - self.pack_start(button) - button.show() - -class _Menu(_sugarext.Menu): - __gtype_name__ = 'SugarPaletteMenu' - - __gsignals__ = { - 'item-inserted': (gobject.SIGNAL_RUN_FIRST, gobject.TYPE_NONE, ([])) - } - - def __init__(self, palette): - _sugarext.Menu.__init__(self) - self._palette = palette - - def do_insert(self, item, position): - _sugarext.Menu.do_insert(self, item, position) - self.emit('item-inserted') - self.show() - - def attach(self, child, left_attach, right_attach, - top_attach, bottom_attach): - _sugarext.Menu.attach(self, child, left_attach, right_attach, - top_attach, bottom_attach) - self.emit('item-inserted') - self.show() - - def do_expose_event(self, event): - # Ignore the Menu expose, just do the MenuShell expose to prevent any - # border from being drawn here. A border is drawn by the palette object - # around everything. - gtk.MenuShell.do_expose_event(self, event) - - def do_grab_notify(self, was_grabbed): - # Ignore grab_notify as the menu would close otherwise - pass - - def do_deactivate(self): - self._palette.hide() - -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.show() - -class _SecondaryAnimation(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.set_state(Palette.SECONDARY) - -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.hide() - -class Invoker(gobject.GObject): - __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, ([])), - '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) - return self._get_position_for_alignment(alignment, palette_dim) - - 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] - - else: - 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: - 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: - 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 -- cgit v0.9.1