diff --git a/app_state.py b/app_state.py
index cfd860b..6a5b38a 100644
--- a/app_state.py
+++ b/app_state.py
@@ -8,7 +8,7 @@ so later rebinding would only ever be seen by the module that did it.
import configparser
import os
-VERSION = "0.0.0.162"
+VERSION = "0.0.0.163"
PROPERTIES_FILE = os.path.join(os.path.dirname(os.path.abspath(__file__)), "editor.properties")
DEFAULT_GRID_SIZE = 10
DEFAULT_ADD_TIMESTAMP = True
@@ -86,6 +86,8 @@ selected_canvas_tags = set() # Every selected box, the one above included; Ctrl
selected_tree_item_id = None # Tracks the currently right-clicked Treeview item
link_mark_element = None # Component marked as a link endpoint via "Link Mark"
selected_link_tag = None # Canvas tag of the currently selected (red-highlighted) link wire
+selected_link_tags = [] # Every selected link wire, in picking order; Ctrl+click adds.
+ # selected_link_tag is the last of these.
unroutable_link_count = 0 # Links drawn as knobs because no wire could avoid a component
meta_scale = DEFAULT_GRID_SIZE # Pixels per meta coordinate step on the painted sheet
zoom = 1.0 # Scale the open sheet is painted at; 1.0 is one pixel per pixel
diff --git a/main.py b/main.py
index 69dcd34..5a4d8b7 100644
--- a/main.py
+++ b/main.py
@@ -1014,23 +1014,30 @@ def on_tree_select(event):
def delete_selected_link():
- """Removes the currently selected link from the DOM and repaints."""
- if not app_state.selected_link_tag:
- return
- link_elem = app_state.canvas_link_map.get(app_state.selected_link_tag)
- if link_elem is None:
+ """Removes every selected link from the DOM, as one undoable step, and repaints."""
+ link_elems = []
+ for wire_tag in app_state.selected_link_tags:
+ link_elem = app_state.canvas_link_map.get(wire_tag)
+ if link_elem is not None and link_elem not in link_elems:
+ link_elems.append(link_elem)
+ if not link_elems:
return
- from_ref = link_elem.get("from", "")
- to_ref = link_elem.get("to", "")
- confirm = messagebox.askyesno(
- "Delete Link",
- f"Delete link?\n\n from: {from_ref}\n to: {to_ref}"
- )
- if not confirm:
+ if len(link_elems) == 1:
+ from_ref = link_elems[0].get("from", "")
+ to_ref = link_elems[0].get("to", "")
+ question = f"Delete link?\n\n from: {from_ref}\n to: {to_ref}"
+ else:
+ shown = link_elems[:15]
+ lines = [f" {e.get('from', '')} → {e.get('to', '')}" for e in shown]
+ if len(link_elems) > len(shown):
+ lines.append(f" … and {len(link_elems) - len(shown)} more")
+ question = f"Delete {len(link_elems)} links?\n\n" + "\n".join(lines)
+
+ if not messagebox.askyesno("Delete Link", question):
return
- sax_file.remove_link(link_elem)
+ sax_file.remove_links(link_elems)
def link_endpoint_components(link_elem):
@@ -1341,7 +1348,6 @@ def _toggle_canvas_box(group_tag):
def on_canvas_click(event):
canvas = app_state.canvas
- wiresheet.deselect_link()
app_state.drag_data["tag"] = None
cx = canvas.canvasx(event.x)
@@ -1351,6 +1357,14 @@ def on_canvas_click(event):
group_tag = next((t for t in tags if t.startswith("comp_group_")), None)
wire_tag = next((t for t in tags if t.startswith("link_wire_")), None)
+ if event.state & CTRL_MASK and wire_tag:
+ # Picking links out one by one. Links and boxes are not selected together, so
+ # Del always knows which of the two it is deleting.
+ select_canvas_boxes([])
+ wiresheet.toggle_link(wire_tag)
+ return
+
+ wiresheet.deselect_link()
if event.state & CTRL_MASK and group_tag and not wire_tag:
# Picking boxes out one by one, so nothing is picked up to be moved.
_toggle_canvas_box(group_tag)
@@ -1743,7 +1757,11 @@ def on_canvas_right_click(event):
wire_tag = next((t for t in tags if t.startswith("link_wire_")), None)
if wire_tag:
- wiresheet.select_link(wire_tag)
+ # Right-clicking one of several selected links acts on all of them; any
+ # other link becomes the selection on its own.
+ if wire_tag not in app_state.selected_link_tags:
+ select_canvas_boxes([])
+ wiresheet.select_link(wire_tag)
_rebuild_link_context_menu()
link_context_menu.post(event.x_root, event.y_root)
return
@@ -2862,6 +2880,12 @@ def _rebuild_link_context_menu():
left off rather than greyed out.
"""
link_context_menu.delete(0, tk.END)
+ count = len(app_state.selected_link_tags)
+ if count > 1:
+ # Several links have no single far end, so there is nowhere to jump to.
+ link_context_menu.add_command(label=f"Delete {count} Links",
+ command=delete_selected_link)
+ return
link_context_menu.add_command(label="Delete Link", command=delete_selected_link)
link_elem = app_state.canvas_link_map.get(app_state.selected_link_tag)
diff --git a/sax_file.py b/sax_file.py
index d55b435..acb554a 100644
--- a/sax_file.py
+++ b/sax_file.py
@@ -155,6 +155,7 @@ def reset_to_startup_state():
app_state.selected_tree_item_id = None
app_state.link_mark_element = None
app_state.selected_link_tag = None
+ app_state.selected_link_tags.clear()
app_state.active_components_list.clear()
app_state.tree_element_map.clear()
@@ -1108,6 +1109,15 @@ def add_component(kit_name, type_name, grid_x, grid_y, parent=None):
def remove_link(link_element):
"""Removes a element from the section and repaints."""
+ remove_links([link_element])
+
+
+def remove_links(link_elements):
+ """Removes several elements as one undoable step, and repaints.
+
+ On a device each link is unlinked there first; one the device refuses stays in the
+ DOM, and the rest still go, with the refusals named in a single warning.
+ """
if app_state.xml_root_element is None:
return
@@ -1115,35 +1125,51 @@ def remove_link(link_element):
if links_elem is None:
return
- from_ref = link_element.get("from", "")
- to_ref = link_element.get("to", "")
+ commands = []
+ failures = []
+ for link_element in link_elements:
+ if link_element not in list(links_elem):
+ continue
+ from_ref = link_element.get("from", "")
+ to_ref = link_element.get("to", "")
- if app_state.live_mode:
- if not live_hooks.live_delete_link(*link_ends(from_ref, to_ref)):
- live_hooks.warn_failure("Delete Link",
- f"The link {from_ref} → {to_ref} was not removed from the device")
- return
+ if app_state.live_mode:
+ if not live_hooks.live_delete_link(*link_ends(from_ref, to_ref)):
+ failures.append(f"{from_ref} → {to_ref}")
+ continue
- try:
index = list(links_elem).index(link_element)
links_elem.remove(link_element)
- except ValueError:
+
+ from_slot = from_ref.rsplit(".", 1)[-1] if "." in from_ref else from_ref
+ to_slot = to_ref.rsplit(".", 1)[-1] if "." in to_ref else to_ref
+ label = f"delete link {from_slot}→{to_slot}"
+ if app_state.live_mode:
+ commands.append(LiveLinkCommand(links_elem, index, link_element,
+ present=False, label=label))
+ else:
+ commands.append(undo.DeleteLinkCommand(links_elem, index, link_element,
+ label=label))
+
+ # Removed in order, each index taken after the ones before it went, so the composite
+ # puts them back last-first and every one lands where it was.
+ if len(commands) == 1:
+ undo.push(commands[0])
+ elif commands:
+ undo.push(undo.CompositeCommand(commands, label=f"delete {len(commands)} links"))
+
+ if failures:
+ noun = "link" if len(failures) == 1 else "links"
+ verb = "was" if len(failures) == 1 else "were"
+ live_hooks.warn_failure(
+ "Delete Link",
+ f"The {noun} {', '.join(failures)} {verb} not removed from the device")
+
+ if not commands:
return
- from_slot = from_ref.rsplit(".", 1)[-1] if "." in from_ref else from_ref
- to_slot = to_ref.rsplit(".", 1)[-1] if "." in to_ref else to_ref
- if app_state.live_mode:
- undo.push(LiveLinkCommand(
- links_elem, index, link_element, present=False,
- label=f"delete link {from_slot}→{to_slot}"
- ))
- else:
- undo.push(undo.DeleteLinkCommand(
- links_elem, index, link_element,
- label=f"delete link {from_slot}→{to_slot}"
- ))
-
app_state.selected_link_tag = None
+ app_state.selected_link_tags.clear()
app_state.mark_dirty()
wiresheet.render_current_sheet()
diff --git a/wiresheet.py b/wiresheet.py
index da6b0c8..b763581 100644
--- a/wiresheet.py
+++ b/wiresheet.py
@@ -843,6 +843,8 @@ def draw_links():
app_state.canvas_link_map.clear()
app_state.knob_link_ends.clear()
app_state.selected_link_tag = None
+ app_state.selected_link_tags.clear()
+ _selected_link_restore.clear()
app_state.unroutable_link_count = 0
if app_state.xml_root_element is None:
return
@@ -920,7 +922,8 @@ def draw_links():
app_state.unroutable_link_count = len(jobs) - len(routed)
-_selected_link_restore = [] # [(item, fill, outline, width)] captured when a link is selected
+# wire tag -> [(item, fill, outline, width)], captured when that link is selected
+_selected_link_restore = {}
def trim_to_knobs(x1, y1, x2, y2):
@@ -938,31 +941,36 @@ def trim_to_knobs(x1, y1, x2, y2):
x2 - ux * inset, y2 - uy * inset)
-def select_link(wire_tag):
+def select_link(wire_tag, add=False):
"""Highlights a link in red, remembering what each of its items looked like.
The colours cannot simply be reset to LINK_COLOR afterwards: a link shown as knobs
may be grey, or half grey, and blanket-restoring would repaint it as an ordinary
on-sheet marker.
+
+ With `add` the link joins whatever links are already selected (Ctrl+click);
+ otherwise it becomes the only one.
"""
canvas = app_state.canvas
- deselect_link()
+ if not add:
+ deselect_link()
+ elif wire_tag in app_state.selected_link_tags:
+ return
if wire_tag and wire_tag in app_state.canvas_link_map:
+ # A knob can stand for several links. One already selected through another link
+ # is red by now, so its true colours are taken from that link's record.
+ captured = {entry[0]: entry for entries in _selected_link_restore.values()
+ for entry in entries}
+ restore = _selected_link_restore.setdefault(wire_tag, [])
for item in canvas.find_withtag(wire_tag):
- _selected_link_restore.append((
+ restore.append(captured.get(item) or (
item,
canvas.itemcget(item, "fill"),
canvas.itemcget(item, "outline") if canvas.type(item) != "line" else "",
canvas.itemcget(item, "width"),
))
- if canvas.type(item) == "line":
- canvas.itemconfig(item, fill=LINK_SELECT_COLOR,
- width=LINK_SELECT_WIDTH)
- elif "link_knob_core" in canvas.gettags(item):
- pass # the white centre stays white while selected
- else:
- canvas.itemconfig(item, fill=LINK_SELECT_COLOR)
- canvas.tag_raise(wire_tag)
+ _paint_link_selected(wire_tag)
+ app_state.selected_link_tags.append(wire_tag)
app_state.selected_link_tag = wire_tag
# A link with both ends on this sheet but no drawable route is two knobs with
@@ -975,26 +983,64 @@ def select_link(wire_tag):
*trim_to_knobs(*ends), fill=LINK_SELECT_COLOR,
width=LINK_SELECT_WIDTH, dash=LINK_HINT_DASH,
arrow=tk.LAST, arrowshape=(8, 9, 3),
- tags=("link", "link_select_hint")
+ tags=("link", "link_select_hint", f"link_select_hint_{wire_tag}")
)
canvas.tag_raise("link_select_hint")
canvas.tag_raise("link_knob")
+def _paint_link_selected(wire_tag):
+ """Paints one link's wire and knobs in the selection red."""
+ canvas = app_state.canvas
+ for item in canvas.find_withtag(wire_tag):
+ if canvas.type(item) == "line":
+ canvas.itemconfig(item, fill=LINK_SELECT_COLOR, width=LINK_SELECT_WIDTH)
+ elif "link_knob_core" in canvas.gettags(item):
+ pass # the white centre stays white while selected
+ else:
+ canvas.itemconfig(item, fill=LINK_SELECT_COLOR)
+ canvas.tag_raise(wire_tag)
+
+
+def toggle_link(wire_tag):
+ """Ctrl+click: adds a link to the selection, or takes it back out."""
+ if wire_tag in app_state.selected_link_tags:
+ _restore_link(wire_tag)
+ app_state.selected_link_tags.remove(wire_tag)
+ app_state.selected_link_tag = (app_state.selected_link_tags[-1]
+ if app_state.selected_link_tags else None)
+ # A knob shared with a link still selected went back to its own colours above.
+ for still_selected in app_state.selected_link_tags:
+ _paint_link_selected(still_selected)
+ if app_state.canvas.find_withtag("link_select_hint"):
+ app_state.canvas.tag_raise("link_select_hint")
+ app_state.canvas.tag_raise("link_knob")
+ else:
+ select_link(wire_tag, add=True)
+
+
+def _restore_link(wire_tag):
+ """Puts one selected link back exactly as it was drawn."""
+ canvas = app_state.canvas
+ canvas.delete(f"link_select_hint_{wire_tag}")
+ for item, fill, outline, width in _selected_link_restore.pop(wire_tag, ()):
+ try:
+ if canvas.type(item) == "line":
+ canvas.itemconfig(item, fill=fill, width=width)
+ else:
+ canvas.itemconfig(item, fill=fill, outline=outline, width=width)
+ except tk.TclError:
+ pass # the item went away with a repaint
+
+
def deselect_link():
- """Puts the selected link back exactly as it was drawn."""
+ """Puts every selected link back exactly as it was drawn."""
canvas = app_state.canvas
canvas.delete("link_select_hint")
- if app_state.selected_link_tag:
- for item, fill, outline, width in _selected_link_restore:
- try:
- if canvas.type(item) == "line":
- canvas.itemconfig(item, fill=fill, width=width)
- else:
- canvas.itemconfig(item, fill=fill, outline=outline, width=width)
- except tk.TclError:
- pass # the item went away with a repaint
- app_state.selected_link_tag = None
+ for wire_tag in app_state.selected_link_tags:
+ _restore_link(wire_tag)
+ app_state.selected_link_tags.clear()
+ app_state.selected_link_tag = None
_selected_link_restore.clear()