Added modal image quick popup

git-svn-id: http://comictagger.googlecode.com/svn/trunk@405 6c5673fe-1810-88d6-992b-cd32ca31540c

coverimagewidget.py

@@ -30,6 +30,28 @@ from options import MetaDataStyle
 from comicvinetalker import ComicVineTalker, ComicVineTalkerException
 from imagefetcher import  ImageFetcher
 from pageloader import PageLoader
+from imagepopup import ImagePopup
+
+# helper func to allow a label to be clickable
+def clickable(widget):
+
+	class Filter(QObject):
+	
+		dblclicked = pyqtSignal()
+		
+		def eventFilter(self, obj, event):
+		
+			if obj == widget:
+				if event.type() == QEvent.MouseButtonDblClick:
+					self.dblclicked.emit()
+					return True
+			
+			return False
+	
+	filter = Filter(widget)
+	widget.installEventFilter(filter)
+	return filter.dblclicked
+
 
 class CoverImageWidget(QWidget):
 	
@@ -53,6 +75,7 @@ class CoverImageWidget(QWidget):
 		self.btnLeft.clicked.connect( self.decrementImage )
 		self.btnRight.clicked.connect( self.incrementImage )
 		self.resetWidget()
+		clickable(self.lblImage).connect(self.showPopup)
 
 		self.updateContent()
 
@@ -220,3 +243,6 @@ class CoverImageWidget(QWidget):
 			img_h = scaled_pixmap.height()
 			self.lblImage.resize( img_w, img_h )
 			self.lblImage.move( (frame_w - img_w)/2, (frame_h - img_h)/2 )
+			
+	def showPopup( self ):
+		self.popup = ImagePopup(self, self.current_pixmap)

imagepopup.py

@@ -0,0 +1,90 @@
+"""
+A PyQT4 widget to display a popup image
+"""
+
+"""
+Copyright 2012  Anthony Beville
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+	http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+"""
+
+import sys
+from PyQt4 import QtCore, QtGui, uic
+import os
+from settings import ComicTaggerSettings
+
+
+class ImagePopup(QtGui.QDialog):
+	
+	def __init__(self, parent, image_pixmap):
+		super(ImagePopup, self).__init__(parent)
+		
+		uic.loadUi(os.path.join(ComicTaggerSettings.baseDir(), 'imagepopup.ui' ), self)
+
+		QtGui.QApplication.setOverrideCursor(QtGui.QCursor(QtCore.Qt.WaitCursor))
+
+		self.setWindowModality(QtCore.Qt.WindowModal)
+		self.setWindowFlags(QtCore.Qt.Popup)
+		self.setWindowState(QtCore.Qt.WindowFullScreen)
+	
+		self.imagePixmap = image_pixmap
+		
+		screen_size = QtGui.QDesktopWidget().screenGeometry()
+		self.resize(screen_size.width(), screen_size.height())
+		self.move( 0, 0)
+		
+		# This is a total hack.  Uses a snapshot of the desktop, and overlays a
+		# translucent screen over it.
+		self.desktopBg = QtGui.QPixmap.grabWindow(QtGui.QApplication.desktop ().winId(), 
+			0,0, screen_size.width(), screen_size.height())
+		bg = QtGui.QPixmap(os.path.join(ComicTaggerSettings.baseDir(), 'graphics/popup_bg.png' )) 
+		self.clientBgPixmap = bg.scaled(screen_size.width(), screen_size.height())		
+		self.setMask(self.clientBgPixmap.mask())
+
+		self.applyImagePixmap()
+		self.showFullScreen()
+		self.raise_(  )
+		QtGui.QApplication.restoreOverrideCursor()		
+
+
+	def closeme( self ):
+		self.close()
+
+	def paintEvent (self, event):
+		self.painter = QtGui.QPainter(self)
+		self.painter.setRenderHint(QtGui.QPainter.Antialiasing)
+		self.painter.drawPixmap(0, 0, self.desktopBg)
+		self.painter.drawPixmap(0, 0, self.clientBgPixmap)
+
+		self.painter.end()		
+
+	def applyImagePixmap( self ):
+		win_h = self.height()
+		win_w = self.width() 
+	
+		if self.imagePixmap.width() >  win_w or self.imagePixmap.height() > win_h:
+			# scale the pixmap to fit in the frame
+			display_pixmap = self.imagePixmap.scaled(win_w, win_h, QtCore.Qt.KeepAspectRatio)			
+			self.lblImage.setPixmap( display_pixmap )
+		else:
+			display_pixmap = self.imagePixmap
+		self.lblImage.setPixmap( display_pixmap )
+			
+		# move and resize the label to be centered in the fame
+		img_w = display_pixmap.width()
+		img_h = display_pixmap.height()
+		self.lblImage.resize( img_w, img_h )
+		self.lblImage.move( (win_w - img_w)/2, (win_h - img_h)/2 )
+
+	def	mousePressEvent( self , event):
+		self.close()

imagepopup.ui

@@ -0,0 +1,38 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<ui version="4.0">
+ <class>Form</class>
+ <widget class="QDialog" name="Form">
+  <property name="windowModality">
+   <enum>Qt::ApplicationModal</enum>
+  </property>
+  <property name="geometry">
+   <rect>
+    <x>0</x>
+    <y>0</y>
+    <width>817</width>
+    <height>455</height>
+   </rect>
+  </property>
+  <property name="windowTitle">
+   <string>Form</string>
+  </property>
+  <property name="windowOpacity">
+   <double>1.000000000000000</double>
+  </property>
+  <widget class="QLabel" name="lblImage">
+   <property name="geometry">
+    <rect>
+     <x>300</x>
+     <y>120</y>
+     <width>66</width>
+     <height>17</height>
+    </rect>
+   </property>
+   <property name="text">
+    <string/>
+   </property>
+  </widget>
+ </widget>
+ <resources/>
+ <connections/>
+</ui>