--- a/eric7/E5Gui/E5AnimatedLabel.py Sat May 22 17:01:51 2021 +0200
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,180 +0,0 @@
-# -*- coding: utf-8 -*-
-
-# Copyright (c) 2020 - 2021 Detlev Offenbach <detlev@die-offenbachs.de>
-#
-
-"""
-Module implementing a label widget showing an animated pixmap.
-"""
-
-from PyQt6.QtCore import pyqtSlot, QTimer
-from PyQt6.QtGui import QPixmap
-from PyQt6.QtWidgets import QLabel
-
-import UI.PixmapCache
-
-
-class E5AnimatedLabel(QLabel):
- """
- Class implementing a label widget showing an animated pixmap.
- """
- def __init__(self, parent=None, *, animationFile="", interval=100):
- """
- Constructor
-
- @param parent reference to the parent window
- @type QWidget
- @keyparam animationFile path to the file containing the animation data
- @type str
- @keyparam interval interval in milliseconds between animation frames
- @type int
- """
- super().__init__(parent)
-
- self.__timer = QTimer(self)
- self.__timer.setInterval(interval)
- self.__timer.timeout.connect(self.__animate)
-
- self.__currentFrame = 0
- self.__frames = 0
- self.__pixmap = None
- self.__pixmapHeight = 0
- self.__animationFile = ""
- self.__animationFileLoaded = False
-
- self.__loadAnimationFile(animationFile)
-
- def __loadAnimationFile(self, animationFile):
- """
- Private method to load an animation file.
-
- @param animationFile path to the file containing the animation data
- @type str
- """
- self.__animationFile = animationFile
-
- pixmap = UI.PixmapCache.getPixmap(animationFile)
- if not pixmap.isNull():
- self.__pixmap = pixmap
- self.__pixmapHeight = pixmap.height()
- self.__frames = pixmap.width() // pixmap.height()
- # assume quadratic animation frames
- self.__animationFileLoaded = True
- else:
- self.__pixmap = QPixmap()
- self.__pixmapHeight = 0
- self.__frames = 0
- self.__animationFileLoaded = False
-
- self.reset()
-
- @pyqtSlot()
- def __animate(self):
- """
- Private slot to animate the pixmap.
- """
- if self.__animationFileLoaded:
- self.__currentFrame = (self.__currentFrame + 1) % self.__frames
- super().setPixmap(self.__pixmap.copy(
- self.__currentFrame * self.__pixmapHeight,
- 0,
- self.__pixmapHeight,
- self.__pixmapHeight
- ))
- else:
- self.clear()
-
- @pyqtSlot()
- def reset(self):
- """
- Public slot to reset the animation.
- """
- self.__currentFrame = -1
- self.__animate()
-
- @pyqtSlot()
- def start(self):
- """
- Public slot to start the animation.
- """
- if self.__animationFileLoaded:
- self.__timer.start()
-
- @pyqtSlot()
- def stop(self):
- """
- Public slot to stop the animation.
- """
- self.__timer.stop()
-
- def isActive(self):
- """
- Public method to check, if the animation is active.
-
- @return flag indicating an active animation
- @rtype bool
- """
- return self.__timer.isActive() and self.__animationFileLoaded
-
- def setAnimationFile(self, animationFile):
- """
- Public method to set the name of the animation file.
-
- @param animationFile path to the file containing the animation data
- @type str
- """
- active = self.__timer.isActive()
- self.__timer.stop()
- self.__loadAnimationFile(animationFile)
- if active and self.__animationFileLoaded:
- self.__timer.start()
-
- def getAnimationFile(self):
- """
- Public method to get the name of the animation file.
-
- @return path to the file containing the animation data
- @rtype str
- """
- return self.__animationFile
-
- def isAnimationFileLoaded(self):
- """
- Public method to check, if the animation file was loaded.
-
- @return flag indicating a successfully loaded animation file
- @rtype bool
- """
- return self.__animationFileLoaded
-
- def setInterval(self, interval):
- """
- Public method to set the interval between the animated frames.
-
- @param interval interval in milliseconds between animation frames
- @type int
- """
- self.__timer.setInterval(interval)
-
- def getInterval(self):
- """
- Public method to get the interval between the animated frames.
-
- @return interval in milliseconds between animation frames
- @rtype int
- """
- return self.__timer.interval()
-
- def setPixmap(self, pixmap):
- """
- Public slot to set the pixmap of the label.
-
- Setting a standard pixmap will stop the animation and set the given
- pixmap without animating it. Thereafter the animation has to be
- restarted with the start() method.
-
- @param pixmap pixmap to be set
- @type QPixmap
- """
- self.stop()
- super().setPixmap(pixmap)
