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Fix Issue #70: Make rect resize corner dependent on mouse position in rect.

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This commit is contained in:
Markus Roth
2012-03-11 01:58:16 -08:00
parent 10afed2005
commit c2663dc841
1 changed files with 20 additions and 3 deletions
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sloth/items/items.py
+20 -3
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@@ -302,6 +302,8 @@ class RectItem(BaseItem):
self._resize = False
self._resize_start = None
self._resize_start_rect = None
self._upper_half_clicked = None
self._left_half_clicked = None
self._updateRect(self._dataToRect(self._model_item))
LOG.debug("Constructed rect %s for model item %s" %
@@ -367,6 +369,8 @@ class RectItem(BaseItem):
self._resize = True
self._resize_start = event.scenePos()
self._resize_start_rect = QRectF(self._rect)
self._upper_half_clicked = (event.scenePos().y() < self._resize_start_rect.center().y())
self._left_half_clicked = (event.scenePos().x() < self._resize_start_rect.center().x())
event.accept()
else:
BaseItem.mousePressEvent(self, event)
@@ -374,9 +378,22 @@ class RectItem(BaseItem):
def mouseMoveEvent(self, event):
if self._resize:
diff = event.scenePos() - self._resize_start
tl = self._resize_start_rect.topLeft()
br = self._resize_start_rect.bottomRight()
rect = QRectF(tl, br + diff).normalized()
if self._left_half_clicked:
x = self._resize_start_rect.x() + diff.x()
w = self._resize_start_rect.width() - diff.x()
else:
x = self._resize_start_rect.x()
w = self._resize_start_rect.width() + diff.x()
if self._upper_half_clicked:
y = self._resize_start_rect.y() + diff.y()
h = self._resize_start_rect.height() - diff.y()
else:
y = self._resize_start_rect.y()
h = self._resize_start_rect.height() + diff.y()
rect = QRectF(QPointF(x,y), QSizeF(w, h))
self._updateRect(rect)
self.updateModel()
event.accept()