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Work around resizing down offset by 1 pixel.

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This commit is contained in:
glubsy 2020-06-21 20:51:06 +02:00
parent 970bb5e19d
commit aa79b31aae
2 changed files with 27 additions and 18 deletions
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32
qt/pe/details_dialog.py
View File

@ -68,15 +68,15 @@ class DetailsDialog(DetailsDialogBase):
self.verticalLayout = QVBoxLayout(self)
self.verticalLayout.setSpacing(0)
self.verticalLayout.setContentsMargins(0, 0, 0, 0)
# self.horizontalLayout = QHBoxLayout()
self.horizontalLayout = QGridLayout()
# Minimum width for the toolbar in the middle:
self.horizontalLayout.setColumnMinimumWidth(1, 30)
self.horizontalLayout.setColumnStretch(0,1)
self.horizontalLayout.setColumnStretch(1,0)
self.horizontalLayout.setColumnStretch(2,1)
self.horizontalLayout.setColumnMinimumWidth(1, 10)
self.horizontalLayout.setContentsMargins(0, 0, 0, 0)
self.horizontalLayout.setColumnStretch(0,24)
self.horizontalLayout.setColumnStretch(1,1)
self.horizontalLayout.setColumnStretch(2,24)
# self.horizontalLayout.setColumnStretch(3,0)
self.horizontalLayout.setSpacing(2)
self.horizontalLayout.setSpacing(1)
self.selectedImageViewer = ScrollAreaImageViewer(self, "selectedImage")
# self.selectedImage = QLabel(self)
@ -96,6 +96,7 @@ class DetailsDialog(DetailsDialogBase):
# 1, 3, 1, 1, Qt.Alignment(Qt.AlignRight))
self.verticalToolBar = QToolBar(self)
# self.verticalToolBar.setMaximumWidth(10)
self.verticalToolBar.setOrientation(Qt.Orientation(Qt.Vertical))
# self.subVLayout = QVBoxLayout(self)
# self.subVLayout.addWidget(self.verticalToolBar)
@ -144,7 +145,6 @@ class DetailsDialog(DetailsDialogBase):
self.verticalToolBar.addWidget(self.buttonBestFit)
self.horizontalLayout.addWidget(self.verticalToolBar, 1, 1, 1, 1, Qt.AlignCenter)
# self.horizontalLayout.addWidget(self.verticalToolBar, Qt.AlignVCenter)
self.referenceImageViewer = ScrollAreaImageViewer(self, "referenceImage")
# self.referenceImage = QLabel(self)
@ -157,7 +157,6 @@ class DetailsDialog(DetailsDialogBase):
# self.referenceImageViewer.setSizePolicy(sizePolicy)
# self.referenceImageViewer.setAlignment(Qt.AlignCenter)
self.horizontalLayout.addWidget(self.referenceImageViewer, 0, 2, 3, 1)
# self.horizontalLayout.addWidget(self.referenceImageViewer)
self.verticalLayout.addLayout(self.horizontalLayout)
self.tableView = DetailsTable(self)
@ -172,7 +171,7 @@ class DetailsDialog(DetailsDialogBase):
self.tableView.setSelectionBehavior(QAbstractItemView.SelectRows)
self.tableView.setShowGrid(False)
self.verticalLayout.addWidget(self.tableView)
self.tableView.hide()
# self.tableView.hide()
self.buttonImgSwap.setEnabled(False)
self.buttonZoomIn.setEnabled(False)
@ -215,14 +214,23 @@ class DetailsDialog(DetailsDialogBase):
# --- Override
def resizeEvent(self, event):
# HACK referenceViewer might be 1 pixel shorter in width
# due to dynamic resizing in the GridLayout's engine
# Couldn't find a way to ensure both viewers have the exact same size
# at all time without using resize().
# due to the toolbar in the middle keeping the same width,
# so resizing in the GridLayout's engine leads to not enough space
# left for the panel on the right.
# This ensures same size while shrinking at least:
self.horizontalLayout.setColumnMinimumWidth(
0, self.selectedImageViewer.size().width())
self.horizontalLayout.setColumnMinimumWidth(
2, self.selectedImageViewer.size().width())
# This works when expanding but it's ugly:
# if self.selectedImageViewer.size().width() > self.referenceImageViewer.size().width():
# print(f"Before selected size: {self.selectedImageViewer.size()}\n\
# Before reference size: {self.referenceImageViewer.size()}")
# self.selectedImageViewer.resize(self.referenceImageViewer.size())
# print(f"After selected size: {self.selectedImageViewer.size()}\n\
# After reference size: {self.referenceImageViewer.size()}")
if self.vController is None or not self.vController.bestFit:
return
# Only update the scaled down pixmaps

13
qt/pe/image_viewer.py
View File

@ -7,9 +7,6 @@ from PyQt5.QtGui import QPixmap, QPainter, QPalette, QCursor
from PyQt5.QtWidgets import ( QLabel, QSizePolicy, QWidget, QScrollArea,
QScrollBar, QApplication, QAbstractScrollArea )
#TODO QWidget version: fix panning while zoomed-in
#TODO: add keyboard shortcuts
class BaseController(QObject):
"""Abstract Base class. Singleton.
Base proxy interface to keep image viewers synchronized.
@ -235,9 +232,11 @@ class ScrollAreaController(BaseController):
@pyqtSlot(int)
def onVScrollBarChanged(self, value):
if self.sender() is self.referenceViewer:
self.selectedViewer._verticalScrollBar.setValue(value)
if not self.selectedViewer.ignore_signal:
self.selectedViewer._verticalScrollBar.setValue(value)
else:
self.referenceViewer._verticalScrollBar.setValue(value)
if not self.referenceViewer.ignore_signal:
self.referenceViewer._verticalScrollBar.setValue(value)
@pyqtSlot(int)
def onHScrollBarChanged(self, value):
@ -277,6 +276,8 @@ class GraphicsViewController(BaseController):
class QWidgetImageViewer(QWidget):
"""Use a QPixmap, but no scrollbars."""
#FIXME: panning while zoomed-in is broken (due to delta not interpolated right?)
#TODO: keyboard shortcuts for navigation
mouseDragged = pyqtSignal(QPointF)
mouseWheeled = pyqtSignal(float)
@ -429,7 +430,7 @@ class QWidgetImageViewer(QWidget):
def onDraggedMouse(self, delta):
self._mousePanningDelta = delta
self.update()
print(f"{self} received drag signal from {self.sender()}")
# print(f"{self} received drag signal from {self.sender()}")
class ScalablePixmap(QWidget):