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| author | Sebastian Koslowski <koslowski@kit.edu> | 2016-09-13 11:54:56 -0600 |
|---|---|---|
| committer | Sebastian Koslowski <koslowski@kit.edu> | 2016-09-13 11:54:56 -0600 |
| commit | bc8ee049aefb7818b82adfc24de22590ee00b23f (patch) | |
| tree | 50bf5f19deb24bc8bdf911fc49283a1f0cfc81d9 /grc/gui/Element.py | |
| parent | f7cdfff6a85ce52b1d7c0b5131645fcb77405fe8 (diff) | |
grc: refactor: move drawables in subpackage
Diffstat (limited to 'grc/gui/Element.py')
| -rw-r--r-- | grc/gui/Element.py | 184 |
1 files changed, 0 insertions, 184 deletions
diff --git a/grc/gui/Element.py b/grc/gui/Element.py deleted file mode 100644 index 17cd6ddd92..0000000000 --- a/grc/gui/Element.py +++ /dev/null @@ -1,184 +0,0 @@ -""" -Copyright 2007, 2008, 2009, 2016 Free Software Foundation, Inc. -This file is part of GNU Radio - -GNU Radio Companion is free software; you can redistribute it and/or -modify it under the terms of the GNU General Public License -as published by the Free Software Foundation; either version 2 -of the License, or (at your option) any later version. - -GNU Radio Companion 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 General Public License for more details. - -You should have received a copy of the GNU General Public License -along with this program; if not, write to the Free Software -Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA -""" - -from __future__ import absolute_import -from .Constants import LINE_SELECT_SENSITIVITY - -from six.moves import zip - - -class Element(object): - """ - GraphicalElement is the base class for all graphical elements. - It contains an X,Y coordinate, a list of rectangular areas that the element occupies, - and methods to detect selection of those areas. - """ - - @classmethod - def make_cls_with_base(cls, super_cls): - name = super_cls.__name__ - bases = (super_cls,) + cls.__bases__[1:] - namespace = cls.__dict__.copy() - return type(name, bases, namespace) - - def __init__(self): - """ - Make a new list of rectangular areas and lines, and set the coordinate and the rotation. - """ - self.coordinate = (0, 0) - self.rotation = 0 - self.highlighted = False - - self._bounding_rects = [] - self._bounding_points = [] - - def is_horizontal(self, rotation=None): - """ - Is this element horizontal? - If rotation is None, use this element's rotation. - - Args: - rotation: the optional rotation - - Returns: - true if rotation is horizontal - """ - rotation = rotation or self.rotation - return rotation in (0, 180) - - def is_vertical(self, rotation=None): - """ - Is this element vertical? - If rotation is None, use this element's rotation. - - Args: - rotation: the optional rotation - - Returns: - true if rotation is vertical - """ - rotation = rotation or self.rotation - return rotation in (90, 270) - - def rotate(self, rotation): - """ - Rotate all of the areas by 90 degrees. - - Args: - rotation: multiple of 90 degrees - """ - self.rotation = (self.rotation + rotation) % 360 - - def move(self, delta_coor): - """ - Move the element by adding the delta_coor to the current coordinate. - - Args: - delta_coor: (delta_x,delta_y) tuple - """ - x, y = self.coordinate - dx, dy = delta_coor - self.coordinate = (x + dx, y + dy) - - def create_labels(self): - """ - Create labels (if applicable) and call on all children. - Call this base method before creating labels in the element. - """ - - def create_shapes(self): - """ - Create shapes (if applicable) and call on all children. - Call this base method before creating shapes in the element. - """ - - def draw(self, cr): - raise NotImplementedError() - - def bounds_from_area(self, area): - x1, y1, w, h = area - x2 = x1 + w - y2 = y1 + h - self._bounding_rects = [(x1, y1, x2, y2)] - self._bounding_points = [(x1, y1), (x2, y1), (x1, y2), (x2, y2)] - - def bounds_from_line(self, line): - self._bounding_rects = rects = [] - self._bounding_points = list(line) - last_point = line[0] - for x2, y2 in line[1:]: - (x1, y1), last_point = last_point, (x2, y2) - if x1 == x2: - x1, x2 = x1 - LINE_SELECT_SENSITIVITY, x2 + LINE_SELECT_SENSITIVITY - if y2 < y1: - y1, y2 = y2, y1 - elif y1 == y2: - y1, y2 = y1 - LINE_SELECT_SENSITIVITY, y2 + LINE_SELECT_SENSITIVITY - if x2 < x1: - x1, x2 = x2, x1 - - rects.append((x1, y1, x2, y2)) - - def what_is_selected(self, coor, coor_m=None): - """ - One coordinate specified: - Is this element selected at given coordinate? - ie: is the coordinate encompassed by one of the areas or lines? - Both coordinates specified: - Is this element within the rectangular region defined by both coordinates? - ie: do any area corners or line endpoints fall within the region? - - Args: - coor: the selection coordinate, tuple x, y - coor_m: an additional selection coordinate. - - Returns: - self if one of the areas/lines encompasses coor, else None. - """ - x, y = [a - b for a, b in zip(coor, self.coordinate)] - - if not coor_m: - for x1, y1, x2, y2 in self._bounding_rects: - if x1 <= x <= x2 and y1 <= y <= y2: - return self - else: - x_m, y_m = [a - b for a, b in zip(coor_m, self.coordinate)] - if y_m < y: - y, y_m = y_m, y - if x_m < x: - x, x_m = x_m, x - - for x1, y1 in self._bounding_points: - if x <= x1 <= x_m and y <= y1 <= y_m: - return self - - @property - def extend(self): - x_min, y_min = x_max, y_max = self.coordinate - x_min += min(x for x, y in self._bounding_points) - y_min += min(y for x, y in self._bounding_points) - x_max += max(x for x, y in self._bounding_points) - y_max += max(y for x, y in self._bounding_points) - return x_min, y_min, x_max, y_max - - def mouse_over(self): - pass - - def mouse_out(self): - pass |