Merging r11186:11273 from grc branch.

Fixes, features, and reorganization for grc.
Minor fixes and features for wxgui forms.



git-svn-id: http://gnuradio.org/svn/gnuradio/trunk@11274 221aa14e-8319-0410-a670-987f0aec2ac5

1 files changed, 83 insertions, 0 deletions

diff --git a/grc/gui/Constants.py b/grc/gui/Constants.py
new file mode 100644
index 000000000..7fabcfc0a
--- /dev/null
+++ b/grc/gui/Constants.py
@@ -0,0 +1,83 @@
+"""
+Copyright 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
+"""
+
+import pygtk
+pygtk.require('2.0')
+import gtk
+import os
+
+##default path for the open/save dialogs
+DEFAULT_FILE_PATH = os.getcwd()
+
+##file extensions
+IMAGE_FILE_EXTENSION = '.png'
+
+##name for new/unsaved flow graphs
+NEW_FLOGRAPH_TITLE = 'untitled'
+
+##main window constraints
+MIN_WINDOW_WIDTH = 600
+MIN_WINDOW_HEIGHT = 400
+##dialog constraints
+MIN_DIALOG_WIDTH = 500
+MIN_DIALOG_HEIGHT = 500
+##default sizes
+DEFAULT_BLOCKS_WINDOW_WIDTH = 100
+DEFAULT_REPORTS_WINDOW_WIDTH = 100
+
+##The size of the state saving cache in the flow graph (for undo/redo functionality)
+STATE_CACHE_SIZE = 42
+
+##Shared targets for drag and drop of blocks
+DND_TARGETS = [('STRING', gtk.TARGET_SAME_APP, 0)]
+
+#label constraint dimensions
+LABEL_SEPARATION = 3
+BLOCK_LABEL_PADDING = 7
+PORT_LABEL_PADDING = 2
+
+#port constraint dimensions
+PORT_SEPARATION = 17
+PORT_BORDER_SEPARATION = 9
+PORT_MIN_WIDTH = 20
+
+#minimal length of connector
+CONNECTOR_EXTENSION_MINIMAL = 11
+
+#increment length for connector
+CONNECTOR_EXTENSION_INCREMENT = 11
+
+#connection arrow dimensions
+CONNECTOR_ARROW_BASE = 13
+CONNECTOR_ARROW_HEIGHT = 17
+
+#possible rotations in degrees
+POSSIBLE_ROTATIONS = (0, 90, 180, 270)
+
+#How close can the mouse get to the window border before mouse events are ignored.
+BORDER_PROXIMITY_SENSITIVITY = 50
+
+#How close the mouse can get to the edge of the visible window before scrolling is invoked.
+SCROLL_PROXIMITY_SENSITIVITY = 30
+
+#When the window has to be scrolled, move it this distance in the required direction.
+SCROLL_DISTANCE = 15
+
+#How close the mouse click can be to a line and register a connection select.
+LINE_SELECT_SENSITIVITY = 5