arsenetar/dupeguru
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Code Releases Wiki Activity

working synchronized panning

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This commit is contained in:
glubsy 2020-06-04 17:38:28 +02:00
parent 02bd822ca0
commit c6162914ed
1 changed files with 25 additions and 8 deletions
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33
qt/pe/details_dialog.py
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@ -4,7 +4,7 @@
# which should be included with this package. The terms are also available at
# http://www.gnu.org/licenses/gpl-3.0.html
from PyQt5.QtCore import Qt, QSize, QRectF, QPointF, pyqtSlot
from PyQt5.QtCore import Qt, QSize, QRectF, QPointF, pyqtSlot, pyqtSignal, QEvent
from PyQt5.QtGui import QPixmap, QIcon, QKeySequence, QPainter, QPalette
from PyQt5.QtWidgets import (
QVBoxLayout,
@ -33,6 +33,8 @@ tr = trget("ui")
class ImageViewer(QWidget):
""" Displays image and allow manipulations """
mouseMoved = pyqtSignal(QPointF)
def __init__(self, parent):
super().__init__(parent)
self.parent = parent
@ -62,16 +64,27 @@ class ImageViewer(QWidget):
self.area.setWidget(self.label)
self.area.setVisible(False)
@pyqtSlot(QPointF)
def slot_paint_event(self, delta):
self.delta = delta
self.update()
def paintEvent(self, event):
painter = QPainter(self)
painter.translate(self.rect().center())
painter.scale(self.scalefactor, self.scalefactor)
painter.translate(self.delta)
painter.drawPixmap(self.m_rect.topLeft(), self.pixmap)
self.mouseMoved.emit(self.delta)
def setCenter(self):
""" Resets origin """
self.delta = QPointF()
self.update()
def mousePressEvent(self, event):
if self.parent.bestFit:
event.ignore() # probably not needed
event.ignore()
return
self.reference = event.pos()
@ -79,8 +92,8 @@ class ImageViewer(QWidget):
self.setMouseTracking(True)
def mouseMoveEvent(self, event):
if self.parent.bestFit:
event.ignore() # probably not needed
if self.parent.bestFit or event.buttons() != Qt.LeftButton:
event.ignore()
return
self.delta += (event.pos() - self.reference) * 1.0/self.scalefactor
@ -89,7 +102,7 @@ class ImageViewer(QWidget):
def mouseReleaseEvent(self, event):
if self.parent.bestFit:
event.ignore() # probably not needed
event.ignore()
return
self.app.restoreOverrideCursor()
@ -97,7 +110,7 @@ class ImageViewer(QWidget):
def wheelEvent(self, event):
if self.parent.bestFit:
event.ignore() # probably not needed
event.ignore()
return
if event.angleDelta().y() > 0:
@ -115,7 +128,6 @@ class ImageViewer(QWidget):
def scale(self, factor):
self.scalefactor = factor
print(f"ImaveViewer.scalefactor={self.scalefactor}")
# self.label.resize(self.scalefactor * self.label.size())
self.update()
@ -287,6 +299,9 @@ class DetailsDialog(DetailsDialogBase):
self.tableView.setShowGrid(False)
self.verticalLayout.addWidget(self.tableView)
self.referenceImage.mouseMoved.connect(self.selectedImage.slot_paint_event)
self.selectedImage.mouseMoved.connect(self.referenceImage.slot_paint_event)
def _update(self):
if not self.app.model.selected_dupes:
return
@ -374,7 +389,7 @@ class DetailsDialog(DetailsDialogBase):
self.referenceImage.scale(self.scaleFactor)
self.selectedImage.scale(self.scaleFactor)
self.buttonZoomIn.setEnabled(self.scaleFactor < 6.0)
self.buttonZoomIn.setEnabled(self.scaleFactor < 16.0)
self.buttonZoomOut.setEnabled(self.scaleFactor > 1.0)
self.buttonBestFit.setEnabled(self.bestFit is False)
self.buttonNormalSize.setEnabled(self.scaleFactor != 1.0)
@ -423,6 +438,8 @@ class DetailsDialog(DetailsDialogBase):
def scale_to_bestfit(self):
self.referenceImage.scale(self.scaleFactor)
self.selectedImage.scale(self.scaleFactor)
self.referenceImage.setCenter()
self.selectedImage.setCenter()
self._updateImages()
@pyqtSlot()