attempt at double click on Qlabel

This commit is contained in:
glubsy 2020-05-02 02:29:23 +02:00
parent 9b48e1851d
commit f42df12a29
1 changed files with 59 additions and 27 deletions

View File

@ -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
from PyQt5.QtCore import Qt, QSize, pyqtSignal, QModelIndex
from PyQt5.QtGui import QPixmap, QIcon, QKeySequence
from PyQt5.QtWidgets import (
QVBoxLayout,
@ -20,19 +20,29 @@ from PyQt5.QtWidgets import (
)
from hscommon.trans import trget
from hscommon import desktop
from ..details_dialog import DetailsDialog as DetailsDialogBase
from ..details_table import DetailsTable
from qtlib.util import createActions
tr = trget("ui")
class ClickableLabel(QLabel):
def __init__(self, parent):
QLabel.__init__(self, parent)
self.path = ""
def mouseDoubleClickEvent(self, event):
self.doubleClicked.emit()
doubleClicked = pyqtSignal()
class DetailsDialog(DetailsDialogBase):
def __init__(self, parent, app):
DetailsDialogBase.__init__(self, parent, app)
self.selectedPixmap = None
self.referencePixmap = None
self.ZoomFactor = 0
self.scaleFactor = 0
def _setupActions(self):
# (name, shortcut, icon, desc, func)
@ -90,7 +100,7 @@ class DetailsDialog(DetailsDialogBase):
self.horizontalLayout.setColumnStretch(1,0)
self.horizontalLayout.setColumnStretch(2,1)
self.horizontalLayout.setSpacing(4)
self.selectedImage = QLabel(self)
self.selectedImage = ClickableLabel(self)
sizePolicy = QSizePolicy(QSizePolicy.Ignored, QSizePolicy.Ignored)
sizePolicy.setHorizontalStretch(0)
sizePolicy.setVerticalStretch(0)
@ -101,6 +111,7 @@ class DetailsDialog(DetailsDialogBase):
self.selectedImage.setScaledContents(False)
self.selectedImage.setAlignment(Qt.AlignCenter)
# self.horizontalLayout.addWidget(self.selectedImage)
self.selectedImage.doubleClicked.connect(self.mouseDoubleClickedEvent)
self.horizontalLayout.addWidget(self.selectedImage, 0, 0, 3, 1)
self.verticalToolBar = QToolBar(self)
@ -171,6 +182,7 @@ class DetailsDialog(DetailsDialogBase):
self.verticalLayout.addWidget(self.tableView)
def _update(self):
self._updateButtons()
if not self.app.model.selected_dupes:
return
dupe = self.app.model.selected_dupes[0]
@ -184,25 +196,49 @@ class DetailsDialog(DetailsDialogBase):
else:
self.referencePixmap = QPixmap(str(ref.path))
self.buttonImgSwap.setEnabled(True)
self.scaleFactor = 0
self._updateButtons()
self._updateImages()
def _updateButtons(self):
if 0 < self.scaleFactor < 10:
self.buttonZoomIn.setEnabled(True)
self.buttonZoomOut.setEnabled(True)
self.buttonResetZoom.setEnabled(True)
elif self.scaleFactor >= 10:
self.buttonZoomIn.setEnabled(False)
else: # scaleFactor == 0
self.buttonZoomIn.setEnabled(True)
self.buttonZoomOut.setEnabled(False)
self.buttonResetZoom.setEnabled(False)
def _updateImages(self):
if self.selectedPixmap is not None:
target_size = self.selectedImage.size()
scaledPixmap = self.selectedPixmap.scaled(
target_size, Qt.KeepAspectRatio, Qt.SmoothTransformation
)
if self.scaleFactor:
scaledPixmap = self.selectedPixmap.scaled(
target_size, Qt.KeepAspectRatioByExpanding, Qt.SmoothTransformation) # widget expands here
else:
scaledPixmap = self.selectedPixmap.scaled(
target_size, Qt.KeepAspectRatio, Qt.SmoothTransformation)
self.selectedImage.setPixmap(scaledPixmap)
else:
self.selectedImage.setPixmap(QPixmap())
self.scaleFactor = 0
if self.referencePixmap is not None:
target_size = self.referenceImage.size()
scaledPixmap = self.referencePixmap.scaled(
target_size, Qt.KeepAspectRatio, Qt.SmoothTransformation
)
if self.scaleFactor:
scaledPixmap = self.referencePixmap.scaled(
target_size, Qt.KeepAspectRatioByExpanding, Qt.SmoothTransformation) # widget expands here
else:
scaledPixmap = self.referencePixmap.scaled(
target_size, Qt.KeepAspectRatio, Qt.SmoothTransformation)
self.referenceImage.setPixmap(scaledPixmap)
else:
self.referenceImage.setPixmap(QPixmap())
self.scaleFactor = 0
# --- Override
def resizeEvent(self, event):
@ -219,19 +255,9 @@ class DetailsDialog(DetailsDialogBase):
self._update()
def scaleImages(self, factor):
self.ZoomFactor = self.ZoomFactor + factor
print(f'Factor is now = {self.ZoomFactor}.')
if 0 < self.ZoomFactor < 10:
self.buttonZoomIn.setEnabled(True)
self.buttonZoomOut.setEnabled(True)
self.buttonResetZoom.setEnabled(True)
elif self.ZoomFactor >= 10:
self.buttonZoomIn.setEnabled(False)
else:
self.buttonZoomIn.setEnabled(True)
self.buttonZoomOut.setEnabled(False)
self.buttonResetZoom.setEnabled(False)
self.scaleFactor += factor
print(f'Factor is now = {self.scaleFactor}.')
self._updateButtons()
def swapImages(self):
# self.horizontalLayout.replaceWidget(self.selectedImage, self.referenceImage)
@ -243,25 +269,31 @@ class DetailsDialog(DetailsDialogBase):
self.tableView.horizontalHeader().swapSections(1, 2)
def zoomIn(self):
if self.ZoomFactor >= 10: # clamping to x10
if self.scaleFactor >= 10: # clamping to x10
return
print("ZoomIN")
self.scaleImages(1)
def zoomOut(self):
if self.ZoomFactor == 0:
if self.scaleFactor <= 0:
return
print("ZoomOut")
self.scaleImages(-1)
def zoomReset(self):
print("ZoomReset")
self.ZoomFactor = 0
self.scaleFactor = 0
self.buttonResetZoom.setEnabled(False)
self.buttonZoomOut.setEnabled(False)
self.buttonZoomIn.setEnabled(True)
self._updateImages()
def imagePan(self):
pass
def mouseDoubleClickedEvent(self, path):
desktop.open_path(path)
# TODO: open default application when double click on label
# TODO: place handle above table view to drag and resize (splitter?)
# TODO: colorize or bolden values in table views when they differ?