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Diffstat (limited to 'grc/src/platforms/gui/Port.py')
-rw-r--r-- | grc/src/platforms/gui/Port.py | 190 |
1 files changed, 0 insertions, 190 deletions
diff --git a/grc/src/platforms/gui/Port.py b/grc/src/platforms/gui/Port.py deleted file mode 100644 index d1f36f8b9..000000000 --- a/grc/src/platforms/gui/Port.py +++ /dev/null @@ -1,190 +0,0 @@ -""" -Copyright 2007 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 -from Constants import \ - PORT_SEPARATION, CONNECTOR_EXTENSION_MINIMAL, \ - CONNECTOR_EXTENSION_INCREMENT, \ - PORT_LABEL_PADDING, PORT_MIN_WIDTH -import Utils -import Colors -import pygtk -pygtk.require('2.0') -import gtk - -PORT_MARKUP_TMPL="""\ -<span foreground="black" font_desc="Sans 7.5">$encode($port.get_name())</span>""" - -class Port(Element): - """The graphical port.""" - - def __init__(self, *args, **kwargs): - """ - Port contructor. - Create list of connector coordinates. - """ - Element.__init__(self) - self.connector_coordinates = dict() - - def update(self): - """Create new areas and labels for the port.""" - self.clear() - #get current rotation - rotation = self.get_rotation() - #get all sibling ports - if self.is_source(): ports = self.get_parent().get_sources() - elif self.is_sink(): ports = self.get_parent().get_sinks() - #get the max width - self.W = max([port.W for port in ports] + [PORT_MIN_WIDTH]) - #get a numeric index for this port relative to its sibling ports - index = ports.index(self) - length = len(ports) - #reverse the order of ports for these rotations - if rotation in (180, 270): index = length-index-1 - offset = (self.get_parent().H - length*self.H - (length-1)*PORT_SEPARATION)/2 - #create areas and connector coordinates - if (self.is_sink() and rotation == 0) or (self.is_source() and rotation == 180): - x = -1*self.W - y = (PORT_SEPARATION+self.H)*index+offset - self.add_area((x, y), (self.W, self.H)) - self._connector_coordinate = (x-1, y+self.H/2) - elif (self.is_source() and rotation == 0) or (self.is_sink() and rotation == 180): - x = self.get_parent().W - y = (PORT_SEPARATION+self.H)*index+offset - self.add_area((x, y), (self.W, self.H)) - self._connector_coordinate = (x+1+self.W, y+self.H/2) - elif (self.is_source() and rotation == 90) or (self.is_sink() and rotation == 270): - y = -1*self.W - x = (PORT_SEPARATION+self.H)*index+offset - self.add_area((x, y), (self.H, self.W)) - self._connector_coordinate = (x+self.H/2, y-1) - elif (self.is_sink() and rotation == 90) or (self.is_source() and rotation == 270): - y = self.get_parent().W - x = (PORT_SEPARATION+self.H)*index+offset - self.add_area((x, y), (self.H, self.W)) - self._connector_coordinate = (x+self.H/2, y+1+self.W) - #the connector length - self._connector_length = CONNECTOR_EXTENSION_MINIMAL + CONNECTOR_EXTENSION_INCREMENT*index - - def _create_labels(self): - """Create the labels for the socket.""" - self._bg_color = Colors.get_color(self.get_color()) - #create the layout - layout = gtk.DrawingArea().create_pango_layout('') - layout.set_markup(Utils.parse_template(PORT_MARKUP_TMPL, port=self)) - self.w, self.h = layout.get_pixel_size() - self.W, self.H = 2*PORT_LABEL_PADDING+self.w, 2*PORT_LABEL_PADDING+self.h - #create the pixmap - pixmap = self.get_parent().get_parent().new_pixmap(self.w, self.h) - gc = pixmap.new_gc() - gc.set_foreground(self._bg_color) - pixmap.draw_rectangle(gc, True, 0, 0, self.w, self.h) - pixmap.draw_layout(gc, 0, 0, layout) - #create the images - self.horizontal_label = image = pixmap.get_image(0, 0, self.w, self.h) - if self.is_vertical(): - self.vertical_label = vimage = gtk.gdk.Image(gtk.gdk.IMAGE_NORMAL, pixmap.get_visual(), self.h, self.w) - for i in range(self.w): - for j in range(self.h): vimage.put_pixel(j, self.w-i-1, image.get_pixel(i, j)) - - def draw(self, gc, window): - """ - Draw the socket with a label. - @param gc the graphics context - @param window the gtk window to draw on - """ - Element.draw( - self, gc, window, bg_color=self._bg_color, - border_color=self.is_highlighted() and Colors.HIGHLIGHT_COLOR or Colors.BORDER_COLOR, - ) - X,Y = self.get_coordinate() - (x,y),(w,h) = self.areas_dict[self.get_rotation()][0] #use the first area's sizes to place the labels - if self.is_horizontal(): - window.draw_image(gc, self.horizontal_label, 0, 0, x+X+(self.W-self.w)/2, y+Y+(self.H-self.h)/2, -1, -1) - elif self.is_vertical(): - window.draw_image(gc, self.vertical_label, 0, 0, x+X+(self.H-self.h)/2, y+Y+(self.W-self.w)/2, -1, -1) - - def get_connector_coordinate(self): - """ - Get the coordinate where connections may attach to. - @return the connector coordinate (x, y) tuple - """ - x,y = self._connector_coordinate - X,Y = self.get_coordinate() - return (x+X, y+Y) - - def get_connector_direction(self): - """ - Get the direction that the socket points: 0,90,180,270. - This is the rotation degree if the socket is an output or - the rotation degree + 180 if the socket is an input. - @return the direction in degrees - """ - if self.is_source(): return self.get_rotation() - elif self.is_sink(): return (self.get_rotation() + 180)%360 - - def get_connector_length(self): - """ - Get the length of the connector. - The connector length increases as the port index changes. - @return the length in pixels - """ - return self._connector_length - - def get_rotation(self): - """ - Get the parent's rotation rather than self. - @return the parent's rotation - """ - return self.get_parent().get_rotation() - - def move(self, delta_coor): - """ - Move the parent rather than self. - @param delta_corr the (delta_x, delta_y) tuple - """ - self.get_parent().move(delta_coor) - - def rotate(self, direction): - """ - Rotate the parent rather than self. - @param direction degrees to rotate - """ - self.get_parent().rotate(direction) - - def get_coordinate(self): - """ - Get the parent's coordinate rather than self. - @return the parents coordinate - """ - return self.get_parent().get_coordinate() - - def set_highlighted(self, highlight): - """ - Set the parent highlight rather than self. - @param highlight true to enable highlighting - """ - self.get_parent().set_highlighted(highlight) - - def is_highlighted(self): - """ - Get the parent's is highlight rather than self. - @return the parent's highlighting status - """ - return self.get_parent().is_highlighted() |