From d6c8da8ec35a275fdae62077846ad105aff13167 Mon Sep 17 00:00:00 2001
From: Oscar Gustafsson <oscar.gustafsson@gmail.com>
Date: Tue, 24 Jan 2023 12:40:06 +0100
Subject: [PATCH] Enable horizontal flipping of operations
---
b_asic/GUI/drag_button.py | 26 +++++++++++++++++++++++++-
1 file changed, 25 insertions(+), 1 deletion(-)
diff --git a/b_asic/GUI/drag_button.py b/b_asic/GUI/drag_button.py
index 79a03c9a..002f03c1 100644
--- a/b_asic/GUI/drag_button.py
+++ b/b_asic/GUI/drag_button.py
@@ -12,7 +12,8 @@ from qtpy.QtWidgets import QAction, QMenu, QPushButton
from b_asic.GUI.properties_window import PropertiesWindow
from b_asic.GUI.utils import decorate_class, handle_error
-from b_asic.GUI._preferences import GRID, MINBUTTONSIZE
+from b_asic.GUI._preferences import GRID, MINBUTTONSIZE, PORTWIDTH
+from b_asic.port import InputPort
@decorate_class(handle_error)
@@ -47,6 +48,7 @@ class DragButton(QPushButton):
self._m_drag = False
self._mouse_press_pos = None
self._mouse_move_pos = None
+ self._flipped = False
super().__init__(parent)
def contextMenuEvent(self, event):
@@ -58,6 +60,10 @@ class DragButton(QPushButton):
delete = QAction("Delete")
menu.addAction(delete)
delete.triggered.connect(self.remove)
+
+ flip = QAction("Flip horizontal")
+ menu.addAction(flip)
+ flip.triggered.connect(self._flip)
menu.exec_(self.cursor().pos())
def show_properties_window(self, event):
@@ -116,6 +122,20 @@ class DragButton(QPushButton):
self._window.graphic_view.update()
super().mouseReleaseEvent(event)
+ def _flip(self, event):
+ self._flipped = not self._flipped
+ for pb in self.ports:
+ if isinstance(pb.port, InputPort):
+ newx = MINBUTTONSIZE - PORTWIDTH if self._flipped else 0
+ else:
+ newx = 0 if self._flipped else MINBUTTONSIZE - PORTWIDTH
+ text = "<" if self._flipped else ">"
+ pb.move(newx, pb.pos().y())
+ pb.setText(text)
+
+ self._window.scene.update()
+ self._window.graphic_view.update()
+
def _toggle_button(self, pressed=False):
self.pressed = not pressed
self.setStyleSheet(
@@ -133,6 +153,10 @@ class DragButton(QPushButton):
self.setIcon(QIcon(path_to_image))
self.setIconSize(QSize(MINBUTTONSIZE, MINBUTTONSIZE))
+ def is_flipped(self):
+ """Return True if the button is flipped (inputs to the right)."""
+ return self._is_flipped
+
def select_button(self, modifiers=None):
if modifiers != Qt.KeyboardModifier.ControlModifier:
for button in self._window.pressed_operations:
--
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