diff options
Diffstat (limited to 'grc/gui/Element.py')
| -rw-r--r-- | grc/gui/Element.py | 53 |
1 files changed, 29 insertions, 24 deletions
diff --git a/grc/gui/Element.py b/grc/gui/Element.py index 315191723..f0518ee12 100644 --- a/grc/gui/Element.py +++ b/grc/gui/Element.py @@ -1,5 +1,5 @@ """ -Copyright 2007 Free Software Foundation, Inc. +Copyright 2007, 2008, 2009 Free Software Foundation, Inc. This file is part of GNU Radio GNU Radio Companion is free software; you can redistribute it and/or @@ -17,11 +17,9 @@ along with this program; if not, write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA """ -import Colors import pygtk pygtk.require('2.0') import gtk -import pango from Constants import LINE_SELECT_SENSITIVITY from Constants import POSSIBLE_ROTATIONS @@ -32,7 +30,7 @@ class Element(object): and methods to detect selection of those areas. """ - def __init__(self, *args, **kwargs): + def __init__(self): """ Make a new list of rectangular areas and lines, and set the coordinate and the rotation. """ @@ -61,6 +59,21 @@ class Element(object): rotation = rotation or self.get_rotation() return rotation in (90, 270) + def create_labels(self): + """ + Create labels (if applicable) and call on all children. + Call this base method before creating labels in the element. + """ + for child in self.get_children(): child.create_labels() + + def create_shapes(self): + """ + Create shapes (if applicable) and call on all children. + Call this base method before creating shapes in the element. + """ + self.clear() + for child in self.get_children(): child.create_shapes() + def draw(self, gc, window, border_color, bg_color): """ Draw in the given window. @@ -70,14 +83,14 @@ class Element(object): @param bg_color the color for the inside of the rectangle """ X,Y = self.get_coordinate() - for (rX,rY),(W,H) in self.areas_dict[self.get_rotation()]: + for (rX,rY),(W,H) in self._areas_list: aX = X + rX aY = Y + rY gc.set_foreground(bg_color) window.draw_rectangle(gc, True, aX, aY, W, H) gc.set_foreground(border_color) window.draw_rectangle(gc, False, aX, aY, W, H) - for (x1, y1),(x2, y2) in self.lines_dict[self.get_rotation()]: + for (x1, y1),(x2, y2) in self._lines_list: gc.set_foreground(border_color) window.draw_line(gc, X+x1, Y+y1, X+x2, Y+y2) @@ -90,8 +103,8 @@ class Element(object): def clear(self): """Empty the lines and areas.""" - self.areas_dict = dict((rotation, list()) for rotation in POSSIBLE_ROTATIONS) - self.lines_dict = dict((rotation, list()) for rotation in POSSIBLE_ROTATIONS) + self._areas_list = list() + self._lines_list = list() def set_coordinate(self, coor): """ @@ -136,7 +149,7 @@ class Element(object): X, Y = self.get_coordinate() self.set_coordinate((X+deltaX, Y+deltaY)) - def add_area(self, rel_coor, area, rotation=None): + def add_area(self, rel_coor, area): """ Add an area to the area list. An area is actually a coordinate relative to the main coordinate @@ -144,25 +157,21 @@ class Element(object): A positive width is to the right of the coordinate. A positive height is above the coordinate. The area is associated with a rotation. - If rotation is not specified, the element's current rotation is used. @param rel_coor (x,y) offset from this element's coordinate @param area (width,height) tuple - @param rotation rotation in degrees """ - self.areas_dict[rotation or self.get_rotation()].append((rel_coor, area)) + self._areas_list.append((rel_coor, area)) - def add_line(self, rel_coor1, rel_coor2, rotation=None): + def add_line(self, rel_coor1, rel_coor2): """ Add a line to the line list. A line is defined by 2 relative coordinates. Lines must be horizontal or vertical. The line is associated with a rotation. - If rotation is not specified, the element's current rotation is used. @param rel_coor1 relative (x1,y1) tuple @param rel_coor2 relative (x2,y2) tuple - @param rotation rotation in degrees """ - self.lines_dict[rotation or self.get_rotation()].append((rel_coor1, rel_coor2)) + self._lines_list.append((rel_coor1, rel_coor2)) def what_is_selected(self, coor, coor_m=None): """ @@ -183,24 +192,24 @@ class Element(object): if coor_m: x_m, y_m = [a-b for a,b in zip(coor_m, self.get_coordinate())] #handle rectangular areas - for (x1,y1), (w,h) in self.areas_dict[self.get_rotation()]: + for (x1,y1), (w,h) in self._areas_list: if in_between(x1, x, x_m) and in_between(y1, y, y_m) or \ in_between(x1+w, x, x_m) and in_between(y1, y, y_m) or \ in_between(x1, x, x_m) and in_between(y1+h, y, y_m) or \ in_between(x1+w, x, x_m) and in_between(y1+h, y, y_m): return self #handle horizontal or vertical lines - for (x1, y1), (x2, y2) in self.lines_dict[self.get_rotation()]: + for (x1, y1), (x2, y2) in self._lines_list: if in_between(x1, x, x_m) and in_between(y1, y, y_m) or \ in_between(x2, x, x_m) and in_between(y2, y, y_m): return self return None else: #handle rectangular areas - for (x1,y1), (w,h) in self.areas_dict[self.get_rotation()]: + for (x1,y1), (w,h) in self._areas_list: if in_between(x, x1, x1+w) and in_between(y, y1, y1+h): return self #handle horizontal or vertical lines - for (x1, y1), (x2, y2) in self.lines_dict[self.get_rotation()]: + for (x1, y1), (x2, y2) in self._lines_list: if x1 == x2: x1, x2 = x1-LINE_SELECT_SENSITIVITY, x2+LINE_SELECT_SENSITIVITY if y1 == y2: y1, y2 = y1-LINE_SELECT_SENSITIVITY, y2+LINE_SELECT_SENSITIVITY if in_between(x, x1, x2) and in_between(y, y1, y2): return self @@ -220,7 +229,3 @@ class Element(object): if rotation not in POSSIBLE_ROTATIONS: raise Exception('"%s" is not one of the possible rotations: (%s)'%(rotation, POSSIBLE_ROTATIONS)) self.rotation = rotation - - def update(self): - """Do nothing for the update. Dummy method.""" - pass |