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fix move to pointer for linear and linear region selector #855

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Merged
merged 2 commits into from
Jun 11, 2025
Merged

fix move to pointer for linear and linear region selector #855

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acfa197
fix move to pointer for liner and linear region selctor
kushalkolar Jun 6, 2025
fcfe16a
Update fastplotlib/graphics/selectors/_base_selector.py
kushalkolar Jun 11, 2025
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7 changes: 4 additions & 3 deletions fastplotlib/graphics/selectors/_base_selector.py
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Original file line number Diff line number Diff line change
Expand Up @@ -323,7 +323,7 @@ def _move(self, ev):
# if it was disabled, keep it disabled
self._plot_area.controller.enabled = self._initial_controller_state

def _move_graphic(self, delta: np.ndarray):
def _move_graphic(self, move_info: MoveInfo):
raise NotImplementedError("Must be implemented in subclass")

def _move_end(self, ev):
Expand Down Expand Up @@ -384,8 +384,9 @@ def _move_to_pointer(self, ev):
# else use an edge, such as for linear selector
else:
move_info = MoveInfo(
start_position=current_pos_world,
last_position=current_pos_world,
start_position=None,
start_selection=None,
delta=delta,
source=self._edges[0],
)

Expand Down
6 changes: 3 additions & 3 deletions fastplotlib/graphics/selectors/_linear_region.py
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Original file line number Diff line number Diff line change
Expand Up @@ -381,7 +381,7 @@ def _move_graphic(self, move_info: MoveInfo):
cur_min, cur_max = move_info.start_selection

# move entire selector if event source was fill
if self._move_info.source == self.fill:
if move_info.source == self.fill:
# Limit the delta to avoid weird resizine behavior
min_delta = self.limits[0] - cur_min
max_delta = self.limits[1] - cur_max
Expand All @@ -396,12 +396,12 @@ def _move_graphic(self, move_info: MoveInfo):

# if event source was an edge and selector is resizable,
# move the edge that caused the event
if self._move_info.source == self.edges[0]:
if move_info.source == self.edges[0]:
# change only left or bottom bound
new_min = min(cur_min + delta, cur_max)
self._selection.set_value(self, (new_min, cur_max))

elif self._move_info.source == self.edges[1]:
elif move_info.source == self.edges[1]:
# change only right or top bound
new_max = max(cur_max + delta, cur_min)
self._selection.set_value(self, (cur_min, new_max))
18 changes: 9 additions & 9 deletions fastplotlib/graphics/selectors/_rectangle.py
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Original file line number Diff line number Diff line change
Expand Up @@ -491,7 +491,7 @@ def _move_graphic(self, move_info: MoveInfo):
xmin, xmax, ymin, ymax = move_info.start_selection

# move entire selector if source is fill
if self._move_info.source == self.fill:
if move_info.source == self.fill:
# Limit the delta to avoid weird resizine behavior
min_deltax = self.limits[0] - xmin
max_deltax = self.limits[1] - xmax
Expand All @@ -514,22 +514,22 @@ def _move_graphic(self, move_info: MoveInfo):
ymin_new = min(ymin + deltay, ymax)
ymax_new = max(ymax + deltay, ymin)

if self._move_info.source == self.vertices[0]: # bottom left
if move_info.source == self.vertices[0]: # bottom left
self._selection.set_value(self, (xmin_new, xmax, ymin_new, ymax))
if self._move_info.source == self.vertices[1]: # bottom right
if move_info.source == self.vertices[1]: # bottom right
self._selection.set_value(self, (xmin, xmax_new, ymin_new, ymax))
if self._move_info.source == self.vertices[2]: # top left
if move_info.source == self.vertices[2]: # top left
self._selection.set_value(self, (xmin_new, xmax, ymin, ymax_new))
if self._move_info.source == self.vertices[3]: # top right
if move_info.source == self.vertices[3]: # top right
self._selection.set_value(self, (xmin, xmax_new, ymin, ymax_new))
# if event source was an edge and selector is resizable, move the edge that caused the event
if self._move_info.source == self.edges[0]:
if move_info.source == self.edges[0]:
self._selection.set_value(self, (xmin_new, xmax, ymin, ymax))
if self._move_info.source == self.edges[1]:
if move_info.source == self.edges[1]:
self._selection.set_value(self, (xmin, xmax_new, ymin, ymax))
if self._move_info.source == self.edges[2]:
if move_info.source == self.edges[2]:
self._selection.set_value(self, (xmin, xmax, ymin_new, ymax))
if self._move_info.source == self.edges[3]:
if move_info.source == self.edges[3]:
self._selection.set_value(self, (xmin, xmax, ymin, ymax_new))

def _move_to_pointer(self, ev):
Expand Down
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