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authorMarco Pesenti Gritti <mpg@redhat.com>2007-08-25 11:18:30 (GMT)
committer Marco Pesenti Gritti <mpg@redhat.com>2007-08-25 11:18:30 (GMT)
commit1cb214bc967f16f4fd2f1bdc5dec65b444e01ef6 (patch)
tree5a6ab960aabd369b849767e89e4c0fd2700dcddd
parentf1d588452eac011f2a9217e90c6ab7af61667bbe (diff)
Remove canvasicon module.
-rw-r--r--sugar/graphics/canvasicon.py433
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