ralsina/xrandroll
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Support snapping to edges as long as Alt is not pressed

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This commit is contained in:
Roberto Alsina 2020-02-04 20:31:19 -03:00
parent 5eb9ed646d
commit ac8db1627a
2 changed files with 31 additions and 3 deletions
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17
xrandroll/main.py
View File

@ -346,6 +346,23 @@ class Window(QObject):
mon["item"].update_visuals(mon)
self.adjust_view()
def possible_snaps(self, name):
"""Return two lists of values to which the x and y position
of monitor "name" could snap to."""
snaps_x = []
snaps_y = []
for monitor, data in self.xrandr_info.items():
if monitor == name:
continue
else:
mod_x, mod_y = [int(x) for x in data["current_mode"].split("x")]
snaps_x.append(data["pos_x"])
snaps_x.append(data["pos_x"] + mod_x)
snaps_y.append(data["pos_y"])
snaps_y.append(data["pos_y"] + mod_y)
return snaps_x, snaps_y
def adjust_view(self):
self.ui.sceneView.resetTransform()
self.ui.sceneView.ensureVisible(self.scene.sceneRect(), 100, 100)

17
xrandroll/monitor_item.py
View File

@ -73,10 +73,21 @@ class MonitorItem(QGraphicsRectItem, QObject):
self.window.pos_label.hide()
def mouseMoveEvent(self, event):
snaps_x, snaps_y = self.window.possible_snaps(self.name)
view = event.widget().parent()
click_pos = event.buttonDownScreenPos(Qt.LeftButton)
current_pos = event.screenPos()
self.setPos(
view.mapToScene(view.mapFromScene(self.orig_pos) + current_pos - click_pos)
)
new_pos = view.mapFromScene(self.orig_pos) + current_pos - click_pos
new_pos = view.mapToScene(new_pos)
if not event.modifiers() & Qt.AltModifier:
# Check for snaps
x = new_pos.x()
delta_x = min((abs(x - sx), i) for i, sx in enumerate(snaps_x))
if delta_x[0] < 50: # snap
new_pos.setX(int(snaps_x[delta_x[1]]))
y = new_pos.y()
delta_y = min((abs(y - sy), i) for i, sy in enumerate(snaps_y))
if delta_y[0] < 50: # snap
new_pos.setY(int(snaps_y[delta_y[1]]))
self.setPos(new_pos)
self.window.show_pos(int(self.pos().x()), int(self.pos().y()))