New widget for managing the loading and displaying of archive pages and covers from Comic Vine
git-svn-id: http://comictagger.googlecode.com/svn/trunk@396 6c5673fe-1810-88d6-992b-cd32ca31540c
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beville@gmail.com
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168
coverimagewidget.py
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168
coverimagewidget.py
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"""
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A PyQt4 widget display cover images from either local archive, or from ComicVine
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"""
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"""
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Copyright 2012 Anthony Beville
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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"""
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import os
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from PyQt4.QtCore import *
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from PyQt4.QtGui import *
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from PyQt4 import uic
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from settings import ComicTaggerSettings
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from genericmetadata import GenericMetadata, PageType
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from options import MetaDataStyle
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from comicvinetalker import ComicVineTalker, ComicVineTalkerException
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from imagefetcher import ImageFetcher
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from pageloader import PageLoader
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class CoverImageWidget(QWidget):
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ArchiveMode = 0
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AltCoverMode = 1
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def __init__(self, parent, mode ):
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super(CoverImageWidget, self).__init__(parent)
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uic.loadUi(os.path.join(ComicTaggerSettings.baseDir(), 'coverimagewidget.ui' ), self )
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self.mode = mode
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self.comic_archive = None
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self.issue_id = None
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self.url_list = []
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self.comicVine = ComicVineTalker()
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self.page_loader = None
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self.imageIndex = 0
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self.imageCount = 1
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self.btnLeft.clicked.connect( self.decrementImage )
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self.btnRight.clicked.connect( self.incrementImage )
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self.resetImage()
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def incrementImage( self ):
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self.imageIndex += 1
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if self.imageIndex == self.imageCount:
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self.imageIndex = 0
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self.updateImage()
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def decrementImage( self ):
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self.imageIndex -= 1
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if self.imageIndex == -1:
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self.imageIndex = self.imageCount -1
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self.updateImage()
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def setArchive( self, ca ):
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if self.mode == CoverImageWidget.ArchiveMode:
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self.comic_archive = ca
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self.imageIndex = 0
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self.imageCount = ca.getNumberOfPages()
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self.updateImage()
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def setIssueID( self, issue_id ):
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if self.mode == CoverImageWidget.AltCoverMode:
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self.issue_id = issue_id
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self.url_list = []
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self.imageIndex = 0
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self.imageCount = 1
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# get the URL list
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try:
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alt_img_url_list = self.comicVine.fetchAlternateCoverURLs( issue_id )
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primary_url, thumb_url = self.comicVine.fetchIssueCoverURLs( issue_id )
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except:
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return
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self.url_list.append(primary_url)
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self.url_list.extend(alt_img_url_list)
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self.imageIndex = 0
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self.imageCount = len(self.url_list)
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self.updateImage()
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def updateImage( self ):
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if self.mode == CoverImageWidget.AltCoverMode:
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if self.imageIndex == 0:
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self.label.setText("Primary Cover")
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else:
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self.label.setText("Alt. Cover {0}".format(self.imageIndex))
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self.loadURL()
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else:
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self.label.setText("Page {0}".format(self.imageIndex+1))
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self.loadPage()
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pass
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def loadURL( self ):
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self.cover_fetcher = ImageFetcher( )
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self.cover_fetcher.fetchComplete.connect(self.coverRemoteFetchComplete)
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self.cover_fetcher.fetch( self.url_list[self.imageIndex] )
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# called when the image is done loading from internet
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def coverRemoteFetchComplete( self, image_data, issue_id ):
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img = QImage()
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img.loadFromData( image_data )
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self.current_pixmap = QPixmap(img)
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self.setDisplayPixmap( 0, 0)
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QCoreApplication.processEvents()
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def loadPage( self ):
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if self.comic_archive is not None:
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if self.page_loader is not None:
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self.page_loader.abandoned = True
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self.page_loader = PageLoader( self.comic_archive, self.imageIndex )
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self.page_loader.loadComplete.connect( self.actualChangePageImage )
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self.page_loader.start()
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def actualChangePageImage( self, img ):
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self.page_loader = None
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self.current_pixmap = QPixmap(img)
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self.setDisplayPixmap( 0, 0)
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def resetImage( self ):
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self.current_pixmap = QPixmap(os.path.join(ComicTaggerSettings.baseDir(), 'graphics/nocover.png' ))
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self.setDisplayPixmap( 0, 0)
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def resizeEvent( self, resize_event ):
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if self.current_pixmap is not None:
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delta_w = resize_event.size().width() - resize_event.oldSize().width()
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delta_h = resize_event.size().height() - resize_event.oldSize().height()
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self.setDisplayPixmap( delta_w , delta_h )
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def setDisplayPixmap( self, delta_w , delta_h ):
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# the deltas let us know what the new width and height of the label will be
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new_h = self.frame.height() + delta_h
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new_w = self.frame.width() + delta_w
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frame_w = new_w
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frame_h = new_h
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new_h -= 4
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new_w -= 4
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if new_h < 0:
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new_h = 0;
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if new_w < 0:
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new_w = 0;
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# scale the pixmap to fit in the frame
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scaled_pixmap = self.current_pixmap.scaled(new_w, new_h, Qt.KeepAspectRatio)
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self.lblImage.setPixmap( scaled_pixmap )
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# move and resize the label to be centered in the fame
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img_w = scaled_pixmap.width()
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img_h = scaled_pixmap.height()
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self.lblImage.resize( img_w, img_h )
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self.lblImage.move( (frame_w - img_w)/2, (frame_h - img_h)/2 )
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108
coverimagewidget.ui
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108
coverimagewidget.ui
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<?xml version="1.0" encoding="UTF-8"?>
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<ui version="4.0">
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<class>coverImageWidget</class>
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<widget class="QWidget" name="coverImageWidget">
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<property name="geometry">
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<rect>
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<x>0</x>
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<y>0</y>
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<width>292</width>
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<height>353</height>
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</rect>
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</property>
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<property name="windowTitle">
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<string>Form</string>
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</property>
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<layout class="QGridLayout" name="gridLayout">
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<property name="margin">
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<number>0</number>
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</property>
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<item row="1" column="0">
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<layout class="QHBoxLayout" name="horizontalLayout">
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<property name="spacing">
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<number>0</number>
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</property>
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<item>
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<widget class="QPushButton" name="btnLeft">
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<property name="sizePolicy">
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<sizepolicy hsizetype="Preferred" vsizetype="Fixed">
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<horstretch>0</horstretch>
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<verstretch>0</verstretch>
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</sizepolicy>
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</property>
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<property name="maximumSize">
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<size>
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<width>30</width>
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<height>16777215</height>
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</size>
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</property>
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<property name="text">
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<string><<</string>
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</property>
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</widget>
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</item>
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<item>
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<widget class="QLabel" name="label">
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<property name="sizePolicy">
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<sizepolicy hsizetype="MinimumExpanding" vsizetype="Preferred">
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<horstretch>0</horstretch>
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<verstretch>0</verstretch>
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</sizepolicy>
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</property>
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<property name="text">
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<string/>
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</property>
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<property name="alignment">
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<set>Qt::AlignCenter</set>
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</property>
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</widget>
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</item>
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<item>
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<widget class="QPushButton" name="btnRight">
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<property name="maximumSize">
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<size>
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<width>30</width>
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<height>16777215</height>
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</size>
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</property>
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<property name="text">
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<string>>></string>
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</property>
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</widget>
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</item>
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</layout>
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</item>
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<item row="0" column="0">
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<widget class="QFrame" name="frame">
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<property name="sizePolicy">
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<sizepolicy hsizetype="Expanding" vsizetype="Expanding">
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<horstretch>0</horstretch>
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<verstretch>0</verstretch>
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</sizepolicy>
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</property>
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<property name="frameShape">
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<enum>QFrame::StyledPanel</enum>
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</property>
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<property name="frameShadow">
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<enum>QFrame::Raised</enum>
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</property>
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<widget class="QLabel" name="lblImage">
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<property name="geometry">
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<rect>
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<x>60</x>
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<y>50</y>
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<width>91</width>
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<height>61</height>
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</rect>
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</property>
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<property name="text">
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<string>TextLabel</string>
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</property>
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</widget>
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</widget>
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</item>
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</layout>
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</widget>
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<resources/>
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<connections/>
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</ui>
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