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pygui: updated edge labels to just use a set distance from nodes

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This commit is contained in:
Blake Harnden 2020-10-11 10:05:57 -07:00
parent 1543dfcc94
commit 8597c5c1a8
1 changed files with 12 additions and 10 deletions
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22
daemon/core/gui/graph/edges.py
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@ -14,7 +14,7 @@ from core.gui.utils import bandwidth_text, delay_jitter_text
if TYPE_CHECKING: if TYPE_CHECKING:
from core.gui.graph.graph import CanvasGraph from core.gui.graph.graph import CanvasGraph
TEXT_DISTANCE: float = 0.30 TEXT_DISTANCE: int = 60
EDGE_WIDTH: int = 3 EDGE_WIDTH: int = 3
EDGE_COLOR: str = "#ff0000" EDGE_COLOR: str = "#ff0000"
WIRELESS_WIDTH: float = 3 WIRELESS_WIDTH: float = 3
@ -156,15 +156,17 @@ class Edge:
def node_label_positions(self) -> Tuple[Tuple[float, float], Tuple[float, float]]: def node_label_positions(self) -> Tuple[Tuple[float, float], Tuple[float, float]]:
src_x, src_y, _, _, dst_x, dst_y = self.canvas.coords(self.id) src_x, src_y, _, _, dst_x, dst_y = self.canvas.coords(self.id)
v1 = dst_x - src_x v_x, v_y = dst_x - src_x, dst_y - src_y
v2 = dst_y - src_y v_len = math.sqrt(v_x ** 2 + v_y ** 2)
ux = TEXT_DISTANCE * v1 if v_len == 0:
uy = TEXT_DISTANCE * v2 u_x, u_y = 0.0, 0.0
src_x = src_x + ux else:
src_y = src_y + uy u_x, u_y = v_x / v_len, v_y / v_len
dst_x = dst_x - ux offset_x, offset_y = TEXT_DISTANCE * u_x, TEXT_DISTANCE * u_y
dst_y = dst_y - uy return (
return (src_x, src_y), (dst_x, dst_y) (src_x + offset_x, src_y + offset_y),
(dst_x - offset_x, dst_y - offset_y),
)
def src_label_text(self, text: str) -> None: def src_label_text(self, text: str) -> None:
if self.src_label is None: if self.src_label is None: