diff options
author | Marco Pesenti Gritti <mpg@redhat.com> | 2007-08-25 11:18:30 (GMT) |
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committer | Marco Pesenti Gritti <mpg@redhat.com> | 2007-08-25 11:18:30 (GMT) |
commit | 1cb214bc967f16f4fd2f1bdc5dec65b444e01ef6 (patch) | |
tree | 5a6ab960aabd369b849767e89e4c0fd2700dcddd | |
parent | f1d588452eac011f2a9217e90c6ab7af61667bbe (diff) |
Remove canvasicon module.
-rw-r--r-- | sugar/graphics/canvasicon.py | 433 |
1 files changed, 0 insertions, 433 deletions
diff --git a/sugar/graphics/canvasicon.py b/sugar/graphics/canvasicon.py deleted file mode 100644 index 3632551..0000000 --- a/sugar/graphics/canvasicon.py +++ /dev/null @@ -1,433 +0,0 @@ -# Copyright (C) 2006-2007 Red Hat, Inc. -# -# 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. - -import logging -import re - -import gobject -import gtk -import hippo -import rsvg -import cairo -import time - -from sugar.graphics.xocolor import XoColor -from sugar.graphics import style -from sugar.graphics.palette import Palette, CanvasInvoker - -_ICON_REQUEST_SIZE = 50 -_BADGE_SIZE = 0.45 - -class _IconCacheIcon: - def __init__(self, name, fill_color, stroke_color, now): - self.last_used = now - self.usage_count = 1 - self.badge_x = 1.0 - _BADGE_SIZE / 2 - self.badge_y = 1.0 - _BADGE_SIZE / 2 - - if name[0:6] == "theme:": - info = gtk.icon_theme_get_default().lookup_icon( - name[6:], _ICON_REQUEST_SIZE, 0) - if not info: - raise ValueError("Icon '" + name + "' not found.") - - fname = info.get_filename() - attach_points = info.get_attach_points() - if attach_points is not None: - self.badge_x = float(attach_points[0][0]) / _ICON_REQUEST_SIZE - self.badge_y = float(attach_points[0][1]) / _ICON_REQUEST_SIZE - del info - else: - fname = name - - self.handle = self._read_icon_data(fname, fill_color, stroke_color) - - def _read_icon_data(self, filename, fill_color, stroke_color): - icon_file = open(filename, 'r') - data = icon_file.read() - icon_file.close() - - if fill_color: - entity = '<!ENTITY fill_color "%s">' % fill_color - data = re.sub('<!ENTITY fill_color .*>', entity, data) - - if stroke_color: - entity = '<!ENTITY stroke_color "%s">' % stroke_color - data = re.sub('<!ENTITY stroke_color .*>', entity, data) - - self.data_size = len(data) - return rsvg.Handle(data=data) - -class _IconCache: - _CACHE_MAX = 50000 # in bytes - - def __init__(self): - self._icons = {} - self._cache_size = 0 - - def _cache_cleanup(self, key, now): - while self._cache_size > self._CACHE_MAX: - evict_key = None - oldest_key = None - oldest_time = now - for icon_key, icon in self._icons.items(): - # Don't evict the icon we are about to use if it's in the cache - if icon_key == key: - continue - - # evict large icons first - if icon.data_size > self._CACHE_MAX: - evict_key = icon_key - break - # evict older icons next; those used over 2 minutes ago - if icon.last_used < now - 120: - evict_key = icon_key - break - # otherwise, evict the oldest - if oldest_time > icon.last_used: - oldest_time = icon.last_used - oldest_key = icon_key - - # If there's nothing specific to evict, try evicting - # the oldest thing - if not evict_key: - if not oldest_key: - break - evict_key = oldest_key - - self._cache_size -= self._icons[evict_key].data_size - del self._icons[evict_key] - - def get_icon(self, name, fill_color, stroke_color): - if not name: - return None - - if fill_color or stroke_color: - key = (name, fill_color, stroke_color) - else: - key = name - - # If we're over the cache limit, evict something from the cache - now = time.time() - self._cache_cleanup(key, now) - - if self._icons.has_key(key): - icon = self._icons[key] - icon.usage_count += 1 - icon.last_used = now - else: - icon = _IconCacheIcon(name, fill_color, stroke_color, now) - self._icons[key] = icon - self._cache_size += icon.data_size - return icon - - -class CanvasIcon(hippo.CanvasBox, hippo.CanvasItem): - __gtype_name__ = 'CanvasIcon' - - __gproperties__ = { - 'icon-name' : (str, None, None, None, - gobject.PARAM_READWRITE), - 'xo-color' : (object, None, None, - gobject.PARAM_WRITABLE), - 'fill-color' : (object, None, None, - gobject.PARAM_READWRITE), - 'stroke-color' : (object, None, None, - gobject.PARAM_READWRITE), - 'size' : (int, None, None, 0, 1024, 0, - gobject.PARAM_READWRITE), - 'scale' : (int, None, None, 0, 1024, 0, - gobject.PARAM_READWRITE), - 'cache' : (bool, None, None, False, - gobject.PARAM_READWRITE), - 'active' : (bool, None, None, True, - gobject.PARAM_READWRITE), - 'badge-name' : (str, None, None, None, - gobject.PARAM_READWRITE) - } - - _cache = _IconCache() - - def __init__(self, **kwargs): - self._buffers = {} - self._cur_buffer = None - self._size = 0 - self._scale = 0 - self._fill_color = None - self._stroke_color = None - self._icon_name = None - self._cache = False - self._icon = None - self._active = True - self._palette = None - self._badge_name = None - self._badge_icon = None - - hippo.CanvasBox.__init__(self, **kwargs) - - self.connect_after('motion-notify-event', self._motion_notify_event_cb) - - def _clear_buffers(self): - icon_key = self._get_current_buffer_key(self._icon_name) - badge_key = None - if self._badge_name: - badge_key = self._get_current_buffer_key(self._badge_name) - for key in self._buffers.keys(): - if key != icon_key: - if not badge_key or (key != badge_key): - del self._buffers[key] - self._buffers = {} - - def do_set_property(self, pspec, value): - if pspec.name == 'icon-name': - if self._icon_name != value and not self._cache: - self._clear_buffers() - self._icon_name = value - self._icon = None - self.emit_paint_needed(0, 0, -1, -1) - elif pspec.name == 'xo-color': - self.props.fill_color = style.Color(value.get_fill_color()) - self.props.stroke_color = style.Color(value.get_stroke_color()) - elif pspec.name == 'fill-color': - if self._fill_color != value: - if not self._cache: - self._clear_buffers() - self._fill_color = value - self._icon = None - self._badge_icon = None - self.emit_paint_needed(0, 0, -1, -1) - elif pspec.name == 'stroke-color': - if self._stroke_color != value: - if not self._cache: - self._clear_buffers() - self._stroke_color = value - self._icon = None - self._badge_icon = None - self.emit_paint_needed(0, 0, -1, -1) - elif pspec.name == 'size': - if self._size != value and not self._cache: - self._clear_buffers() - self._size = value - self.emit_request_changed() - elif pspec.name == 'scale': - if self._scale != value and not self._cache: - self._clear_buffers() - self._scale = value - self.emit_request_changed() - elif pspec.name == 'cache': - self._cache = value - elif pspec.name == 'active': - if self._active != value: - if not self._cache: - self._clear_buffers() - self._active = value - self._icon = None - self.emit_paint_needed(0, 0, -1, -1) - elif pspec.name == 'badge-name': - if self._badge_name != value and not self._cache: - self._clear_buffers() - self._badge_name = value - self._badge_icon = None - self.emit_paint_needed(0, 0, -1, -1) - - def _choose_colors(self): - fill_color = None - stroke_color = None - if self._active: - if self._fill_color: - fill_color = self._fill_color.get_svg() - if self._stroke_color: - stroke_color = self._stroke_color.get_svg() - else: - stroke_color = color.ICON_STROKE_INACTIVE.get_svg() - if self._fill_color: - fill_color = self._fill_color.get_svg() - return [fill_color, stroke_color] - - def _get_icon_from_cache(self, name, icon): - if not icon: - cache = CanvasIcon._cache - - [fill_color, stroke_color] = self._choose_colors() - - icon = cache.get_icon(name, fill_color, stroke_color) - return icon - - def _get_icon(self): - self._icon = self._get_icon_from_cache(self._icon_name, self._icon) - return self._icon - - def _get_badge_icon(self): - self._badge_icon = self._get_icon_from_cache(self._badge_name, - self._badge_icon) - return self._badge_icon - - def _get_current_buffer_key(self, name): - [fill_color, stroke_color] = self._choose_colors() - return (name, fill_color, stroke_color, self._size) - - def do_get_property(self, pspec): - if pspec.name == 'size': - return self._size - elif pspec.name == 'icon-name': - return self._icon_name - elif pspec.name == 'fill-color': - return self._fill_color - elif pspec.name == 'stroke-color': - return self._stroke_color - elif pspec.name == 'cache': - return self._cache - elif pspec.name == 'active': - return self._active - elif pspec.name == 'badge-name': - return self._badge_name - elif pspec.name == 'scale': - return self._scale - - def _get_icon_size(self, icon): - if icon: - dimensions = icon.handle.get_dimension_data() - return int(dimensions[0]), int(dimensions[1]) - else: - return [0, 0] - - def _get_size(self, icon): - width, height = self._get_icon_size(icon) - if self._scale != 0: - width = int(width * self._scale) - height = int(height * self._scale) - elif self._size != 0: - width = height = self._size - - return [width, height] - - def _get_buffer(self, cr, name, icon, scale_factor=None): - """Return a cached cairo surface for the SVG icon, or if none exists, - create a new cairo surface with the right size.""" - buf = None - - key = self._get_current_buffer_key(name) - if self._buffers.has_key(key): - buf = self._buffers[key] - else: - [icon_w, icon_h] = self._get_icon_size(icon) - [target_w, target_h] = self._get_size(icon) - - if scale_factor: - target_w = int(target_w * scale_factor) - target_h = int(target_h * scale_factor) - - target = cr.get_target() - buf = target.create_similar(cairo.CONTENT_COLOR_ALPHA, - target_w, target_h) - ctx = cairo.Context(buf) - ctx.scale(float(target_w) / float(icon_w), - float(target_h) / float(icon_h)) - icon.handle.render_cairo(ctx) - - del ctx - self._buffers[key] = buf - - return buf - - def do_paint_below_children(self, cr, damaged_box): - icon = self._get_icon() - if icon is None: - return - - icon_buf = self._get_buffer(cr, self._icon_name, icon) - [width, height] = self.get_allocation() - icon_x = (width - icon_buf.get_width()) / 2 - icon_y = (height - icon_buf.get_height()) / 2 - - cr.set_source_surface(icon_buf, icon_x, icon_y) - cr.paint() - - if self._badge_name: - badge_icon = self._get_badge_icon() - if badge_icon: - badge_buf = self._get_buffer(cr, self._badge_name, badge_icon, _BADGE_SIZE) - badge_x = (icon_x + icon.badge_x * icon_buf.get_width() - - badge_buf.get_width() / 2) - badge_y = (icon_y + icon.badge_y * icon_buf.get_height() - - badge_buf.get_height() / 2) - cr.set_source_surface(badge_buf, badge_x, badge_y) - cr.paint() - - def do_get_content_width_request(self): - icon = self._get_icon() - [width, height] = self._get_size(icon) - if self._badge_name is not None: - # If the badge goes outside the bounding box, add space - # on *both* sides (to keep the main icon centered) - if icon.badge_x < 0.0: - width = int(width * 2 * (1.0 - icon.badge_x)) - elif icon.badge_x + _BADGE_SIZE > 1.0: - width = int(width * 2 * (icon.badge_x + _BADGE_SIZE - 1.0)) - return (width, width) - - def do_get_content_height_request(self, for_width): - icon = self._get_icon() - [width, height] = self._get_size(icon) - if self._badge_name is not None: - if icon.badge_y < 0.0: - height = int(height * 2 * (1.0 - icon.badge_y)) - elif icon.badge_y + _BADGE_SIZE > 1.0: - height = int(height * 2 * (icon.badge_y + _BADGE_SIZE - 1.0)) - return (height, height) - - def do_button_press_event(self, event): - self.emit_activated() - return True - - def _motion_notify_event_cb(self, button, event): - if event.detail == hippo.MOTION_DETAIL_ENTER: - self.prelight(True) - elif event.detail == hippo.MOTION_DETAIL_LEAVE: - self.prelight(False) - return False - - def prelight(self, enter): - """ - Override this method for adding prelighting behavior. - """ - pass - - def get_palette(self): - return self._palette - - def set_palette(self, palette): - self._palette = palette - if not self._palette.props.invoker: - self._palette.props.invoker = CanvasInvoker(self) - - def set_tooltip(self, text): - self.set_palette(Palette(text)) - - palette = property(get_palette, set_palette) - -def get_icon_state(base_name, perc): - step = 5 - strength = round(perc / step) * step - icon_theme = gtk.icon_theme_get_default() - - while strength <= 100: - icon_name = '%s-%03d' % (base_name, strength) - if icon_theme.has_icon(icon_name): - return 'theme:' + icon_name - - strength = strength + step |