From 0dd158155c074113ec1cc6a3de7ecdd2be7d65e8 Mon Sep 17 00:00:00 2001
From: Sebastian Koslowski <koslowski@kit.edu>
Date: Tue, 19 Aug 2014 17:02:33 +0200
Subject: grc: snap-to-grid (WIP)
---
grc/gui/FlowGraph.py | 11 +++++++----
1 file changed, 7 insertions(+), 4 deletions(-)
(limited to 'grc/gui/FlowGraph.py')
diff --git a/grc/gui/FlowGraph.py b/grc/gui/FlowGraph.py
index bfe8fbfa4f..4d2b1b6dd3 100644
--- a/grc/gui/FlowGraph.py
+++ b/grc/gui/FlowGraph.py
@@ -574,7 +574,7 @@ class FlowGraph(Element):
self.create_shapes()
self.queue_draw()
else:
- #perform autoscrolling
+ #perform auto-scrolling
width, height = self.get_size()
x, y = coordinate
h_adj = self.get_scroll_pane().get_hadjustment()
@@ -594,8 +594,11 @@ class FlowGraph(Element):
if len(self.get_selected_elements()) == 1 and self.get_selected_element().is_connection():
Actions.ELEMENT_DELETE()
#move the selected elements and record the new coordinate
- X, Y = self.get_coordinate()
- if not self.get_ctrl_mask(): self.move_selected((int(x - X), int(y - Y)))
- self.set_coordinate((x, y))
+ if not self.get_ctrl_mask():
+ X, Y = self.get_coordinate()
+ dX, dY = int(x - X), int(y - Y)
+ if abs(dX) >= Utils.CANVAS_GRID_SIZE or abs(dY) >= Utils.CANVAS_GRID_SIZE:
+ self.move_selected((dX, dY))
+ self.set_coordinate((x, y))
#queue draw for animation
self.queue_draw()
--
cgit v1.2.3
From 8886123e78485e5c3d1edccaa35ce591e43dbbe5 Mon Sep 17 00:00:00 2001
From: Sebastian Koslowski <koslowski@kit.edu>
Date: Wed, 20 Aug 2014 17:55:15 +0200
Subject: grc: toggle action and mod1 modifier for snap-to-grid
---
grc/gui/ActionHandler.py | 5 ++++-
grc/gui/Actions.py | 5 +++++
grc/gui/Bars.py | 1 +
grc/gui/Block.py | 10 +++++++---
grc/gui/DrawingArea.py | 4 ++++
grc/gui/FlowGraph.py | 4 +++-
6 files changed, 24 insertions(+), 5 deletions(-)
(limited to 'grc/gui/FlowGraph.py')
diff --git a/grc/gui/ActionHandler.py b/grc/gui/ActionHandler.py
index b68fa60a26..dcc3c846eb 100644
--- a/grc/gui/ActionHandler.py
+++ b/grc/gui/ActionHandler.py
@@ -118,7 +118,7 @@ class ActionHandler:
Actions.TYPES_WINDOW_DISPLAY, Actions.TOGGLE_BLOCKS_WINDOW,
Actions.TOGGLE_REPORTS_WINDOW, Actions.TOGGLE_HIDE_DISABLED_BLOCKS,
Actions.TOOLS_RUN_FDESIGN, Actions.TOGGLE_SCROLL_LOCK, Actions.CLEAR_REPORTS,
- Actions.TOGGLE_AUTO_HIDE_PORT_LABELS
+ Actions.TOGGLE_AUTO_HIDE_PORT_LABELS, Actions.TOGGLE_SNAP_TO_GRID
): action.set_sensitive(True)
if ParseXML.xml_failures:
Messages.send_xml_errors_if_any(ParseXML.xml_failures)
@@ -139,6 +139,7 @@ class ActionHandler:
Actions.TOGGLE_BLOCKS_WINDOW,
Actions.TOGGLE_AUTO_HIDE_PORT_LABELS,
Actions.TOGGLE_SCROLL_LOCK,
+ Actions.TOGGLE_SNAP_TO_GRID
): action.load_from_preferences()
elif action == Actions.APPLICATION_QUIT:
if self.main_window.close_pages():
@@ -389,6 +390,8 @@ class ActionHandler:
elif action == Actions.TOGGLE_AUTO_HIDE_PORT_LABELS:
action.save_to_preferences()
self.main_window.get_flow_graph().create_shapes()
+ elif action == Actions.TOGGLE_SNAP_TO_GRID:
+ action.save_to_preferences()
##################################################
# Param Modifications
##################################################
diff --git a/grc/gui/Actions.py b/grc/gui/Actions.py
index f4191a41fb..50ee456e76 100644
--- a/grc/gui/Actions.py
+++ b/grc/gui/Actions.py
@@ -247,6 +247,11 @@ BLOCK_DISABLE = Action(
stock_id=gtk.STOCK_DISCONNECT,
keypresses=(gtk.keysyms.d, NO_MODS_MASK),
)
+TOGGLE_SNAP_TO_GRID = ToggleAction(
+ label='_Snap to grid',
+ tooltip='Snap blocks to a grid for an easier connection alignment',
+ preference_name='snap_to_grid'
+)
TOGGLE_HIDE_DISABLED_BLOCKS = ToggleAction(
label='Hide _disabled blocks',
tooltip='Toggle visibility of disabled blocks and connections',
diff --git a/grc/gui/Bars.py b/grc/gui/Bars.py
index 8dae0f6981..6ddaa4ab21 100644
--- a/grc/gui/Bars.py
+++ b/grc/gui/Bars.py
@@ -99,6 +99,7 @@ MENU_BAR_LIST = (
None,
Actions.TOGGLE_HIDE_DISABLED_BLOCKS,
Actions.TOGGLE_AUTO_HIDE_PORT_LABELS,
+ Actions.TOGGLE_SNAP_TO_GRID,
None,
Actions.ERRORS_WINDOW_DISPLAY,
Actions.FIND_BLOCKS,
diff --git a/grc/gui/Block.py b/grc/gui/Block.py
index 589ed34de1..a80b3d00eb 100644
--- a/grc/gui/Block.py
+++ b/grc/gui/Block.py
@@ -26,6 +26,7 @@ from Constants import \
BLOCK_LABEL_PADDING, \
PORT_SEPARATION, LABEL_SEPARATION, \
PORT_BORDER_SEPARATION, POSSIBLE_ROTATIONS
+import Actions
import pygtk
pygtk.require('2.0')
import gtk
@@ -87,9 +88,6 @@ class Block(Element):
y = 0
elif y >= fgH - BORDER_PROXIMITY_SENSITIVITY:
y = fgH - BORDER_PROXIMITY_SENSITIVITY
- offset_x, offset_y = (0, self.H/2) if self.is_horizontal() else (self.H/2, 0)
- x = Utils.align_to_grid(x + offset_x) - offset_x
- y = Utils.align_to_grid(y + offset_y) - offset_y
return (x, y)
except:
self.set_coordinate((0, 0))
@@ -102,6 +100,12 @@ class Block(Element):
Args:
coor: the coordinate tuple (x, y)
"""
+ if Actions.TOGGLE_SNAP_TO_GRID.get_active():
+ offset_x, offset_y = (0, self.H/2) if self.is_horizontal() else (self.H/2, 0)
+ coor = (
+ Utils.align_to_grid(coor[0] + offset_x) - offset_x,
+ Utils.align_to_grid(coor[1] + offset_y) - offset_y
+ )
self.get_param('_coordinate').set_value(str(coor))
def get_rotation(self):
diff --git a/grc/gui/DrawingArea.py b/grc/gui/DrawingArea.py
index 448948e7f4..d22a2c6d5f 100644
--- a/grc/gui/DrawingArea.py
+++ b/grc/gui/DrawingArea.py
@@ -37,6 +37,7 @@ class DrawingArea(gtk.DrawingArea):
main_window: the main_window containing all flow graphs
"""
self.ctrl_mask = False
+ self.mod1_mask = False
self._flow_graph = flow_graph
gtk.DrawingArea.__init__(self)
self.set_size_request(MIN_WINDOW_WIDTH, MIN_WINDOW_HEIGHT)
@@ -88,6 +89,7 @@ class DrawingArea(gtk.DrawingArea):
"""
self.grab_focus()
self.ctrl_mask = event.state & gtk.gdk.CONTROL_MASK
+ self.mod1_mask = event.state & gtk.gdk.MOD1_MASK
if event.button == 1: self._flow_graph.handle_mouse_selector_press(
double_click=(event.type == gtk.gdk._2BUTTON_PRESS),
coordinate=(event.x, event.y),
@@ -102,6 +104,7 @@ class DrawingArea(gtk.DrawingArea):
Forward button release information to the flow graph.
"""
self.ctrl_mask = event.state & gtk.gdk.CONTROL_MASK
+ self.mod1_mask = event.state & gtk.gdk.MOD1_MASK
if event.button == 1: self._flow_graph.handle_mouse_selector_release(
coordinate=(event.x, event.y),
)
@@ -111,6 +114,7 @@ class DrawingArea(gtk.DrawingArea):
Forward mouse motion information to the flow graph.
"""
self.ctrl_mask = event.state & gtk.gdk.CONTROL_MASK
+ self.mod1_mask = event.state & gtk.gdk.MOD1_MASK
self._flow_graph.handle_mouse_motion(
coordinate=(event.x, event.y),
)
diff --git a/grc/gui/FlowGraph.py b/grc/gui/FlowGraph.py
index 4d2b1b6dd3..31017a9923 100644
--- a/grc/gui/FlowGraph.py
+++ b/grc/gui/FlowGraph.py
@@ -84,6 +84,7 @@ class FlowGraph(Element):
def set_size(self, *args): self.get_drawing_area().set_size_request(*args)
def get_scroll_pane(self): return self.drawing_area.get_parent()
def get_ctrl_mask(self): return self.drawing_area.ctrl_mask
+ def get_mod1_mask(self): return self.drawing_area.mod1_mask
def new_pixmap(self, *args): return self.get_drawing_area().new_pixmap(*args)
def add_new_block(self, key, coor=None):
@@ -597,7 +598,8 @@ class FlowGraph(Element):
if not self.get_ctrl_mask():
X, Y = self.get_coordinate()
dX, dY = int(x - X), int(y - Y)
- if abs(dX) >= Utils.CANVAS_GRID_SIZE or abs(dY) >= Utils.CANVAS_GRID_SIZE:
+ active = Actions.TOGGLE_SNAP_TO_GRID.get_active() or self.get_mod1_mask()
+ if not active or abs(dX) >= Utils.CANVAS_GRID_SIZE or abs(dY) >= Utils.CANVAS_GRID_SIZE:
self.move_selected((dX, dY))
self.set_coordinate((x, y))
#queue draw for animation
--
cgit v1.2.3