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Diffstat (limited to 'grc/src/platforms/gui/Block.py')
| -rw-r--r-- | grc/src/platforms/gui/Block.py | 199 |
1 files changed, 0 insertions, 199 deletions
diff --git a/grc/src/platforms/gui/Block.py b/grc/src/platforms/gui/Block.py deleted file mode 100644 index 862a59393..000000000 --- a/grc/src/platforms/gui/Block.py +++ /dev/null @@ -1,199 +0,0 @@ -""" -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 -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 Element import Element -import Utils -import Colors -from ... utils import odict -from Constants import BORDER_PROXIMITY_SENSITIVITY -from Constants import \ - BLOCK_LABEL_PADDING, \ - PORT_SEPARATION, LABEL_SEPARATION, \ - PORT_BORDER_SEPARATION, POSSIBLE_ROTATIONS -import pygtk -pygtk.require('2.0') -import gtk - -BLOCK_MARKUP_TMPL="""\ -#set $foreground = $block.is_valid() and 'black' or 'red' -<span foreground="$foreground" font_desc="Sans 8"><b>$encode($block.get_name())</b></span>""" - -class Block(Element): - """The graphical signal block.""" - - def __init__(self, *args, **kwargs): - """ - Block contructor. - Add graphics related params to the block. - """ - #add the position param - self._params['_coordinate'] = self.get_parent().get_parent().Param( - self, - odict({ - 'name': 'GUI Coordinate', - 'key': '_coordinate', - 'type': 'raw', - 'value': '(0, 0)', - 'hide': 'all', - }) - ) - self._params['_rotation'] = self.get_parent().get_parent().Param( - self, - odict({ - 'name': 'GUI Rotation', - 'key': '_rotation', - 'type': 'raw', - 'value': '0', - 'hide': 'all', - }) - ) - Element.__init__(self) - - def get_coordinate(self): - """ - Get the coordinate from the position param. - @return the coordinate tuple (x, y) or (0, 0) if failure - """ - try: #should evaluate to tuple - coor = eval(self.get_param('_coordinate').get_value()) - x, y = map(int, coor) - fgW,fgH = self.get_parent().get_size() - if x <= 0: - x = 0 - elif x >= fgW - BORDER_PROXIMITY_SENSITIVITY: - x = fgW - BORDER_PROXIMITY_SENSITIVITY - if y <= 0: - y = 0 - elif y >= fgH - BORDER_PROXIMITY_SENSITIVITY: - y = fgH - BORDER_PROXIMITY_SENSITIVITY - return (x, y) - except: - self.set_coordinate((0, 0)) - return (0, 0) - - def set_coordinate(self, coor): - """ - Set the coordinate into the position param. - @param coor the coordinate tuple (x, y) - """ - self.get_param('_coordinate').set_value(str(coor)) - - def get_rotation(self): - """ - Get the rotation from the position param. - @return the rotation in degrees or 0 if failure - """ - try: #should evaluate to dict - rotation = eval(self.get_param('_rotation').get_value()) - return int(rotation) - except: - self.set_rotation(POSSIBLE_ROTATIONS[0]) - return POSSIBLE_ROTATIONS[0] - - def set_rotation(self, rot): - """ - Set the rotation into the position param. - @param rot the rotation in degrees - """ - self.get_param('_rotation').set_value(str(rot)) - - def update(self): - """Update the block, parameters, and ports when a change occurs.""" - self._bg_color = self.get_enabled() and Colors.BLOCK_ENABLED_COLOR or Colors.BLOCK_DISABLED_COLOR - self.clear() - self._create_labels() - self.W = self.label_width + 2*BLOCK_LABEL_PADDING - self.H = max(*( - [self.label_height+2*BLOCK_LABEL_PADDING] + [2*PORT_BORDER_SEPARATION + \ - sum([port.H + PORT_SEPARATION for port in ports]) - PORT_SEPARATION - for ports in (self.get_sources(), self.get_sinks())] - )) - if self.is_horizontal(): self.add_area((0, 0), (self.W, self.H)) - elif self.is_vertical(): self.add_area((0, 0), (self.H, self.W)) - map(lambda p: p.update(), self.get_ports()) - - def _create_labels(self): - """Create the labels for the signal block.""" - layouts = list() - #create the main layout - layout = gtk.DrawingArea().create_pango_layout('') - layouts.append(layout) - layout.set_markup(Utils.parse_template(BLOCK_MARKUP_TMPL, block=self)) - self.label_width, self.label_height = layout.get_pixel_size() - #display the params - for param in filter(lambda p: p.get_hide() not in ('all', 'part'), self.get_params()): - layout = param.get_layout() - layouts.append(layout) - w,h = layout.get_pixel_size() - self.label_width = max(w, self.label_width) - self.label_height = self.label_height + h + LABEL_SEPARATION - width = self.label_width - height = self.label_height - #setup the pixmap - pixmap = self.get_parent().new_pixmap(width, height) - gc = pixmap.new_gc() - gc.set_foreground(self._bg_color) - pixmap.draw_rectangle(gc, True, 0, 0, width, height) - #draw the layouts - h_off = 0 - for i,layout in enumerate(layouts): - w,h = layout.get_pixel_size() - if i == 0: w_off = (width-w)/2 - else: w_off = 0 - pixmap.draw_layout(gc, w_off, h_off, layout) - h_off = h + h_off + LABEL_SEPARATION - #create vertical and horizontal images - self.horizontal_label = image = pixmap.get_image(0, 0, width, height) - if self.is_vertical(): - self.vertical_label = vimage = gtk.gdk.Image(gtk.gdk.IMAGE_NORMAL, pixmap.get_visual(), height, width) - for i in range(width): - for j in range(height): vimage.put_pixel(j, width-i-1, image.get_pixel(i, j)) - map(lambda p: p._create_labels(), self.get_ports()) - - def draw(self, gc, window): - """ - Draw the signal block with label and inputs/outputs. - @param gc the graphics context - @param window the gtk window to draw on - """ - x, y = self.get_coordinate() - #draw main block - Element.draw( - self, gc, window, bg_color=self._bg_color, - border_color=self.is_highlighted() and Colors.HIGHLIGHT_COLOR or Colors.BORDER_COLOR, - ) - #draw label image - if self.is_horizontal(): - window.draw_image(gc, self.horizontal_label, 0, 0, x+BLOCK_LABEL_PADDING, y+(self.H-self.label_height)/2, -1, -1) - elif self.is_vertical(): - window.draw_image(gc, self.vertical_label, 0, 0, x+(self.H-self.label_height)/2, y+BLOCK_LABEL_PADDING, -1, -1) - #draw ports - for port in self.get_ports(): port.draw(gc, window) - - def what_is_selected(self, coor, coor_m=None): - """ - Get the element that is selected. - @param coor the (x,y) tuple - @param coor_m the (x_m, y_m) tuple - @return this block, a port, or None - """ - for port in self.get_ports(): - port_selected = port.what_is_selected(coor, coor_m) - if port_selected: return port_selected - return Element.what_is_selected(self, coor, coor_m) |