From cc7eb27a2720466e79eeff017be9c9de9daa145f Mon Sep 17 00:00:00 2001
From: Alexander Bruy <alexander.bruy@gmail.com>
Date: Fri, 27 May 2016 19:04:25 +0300
Subject: [PATCH] [processing] drop WebView dependency (follow up 38f6ace4c0)

---
 .../ProcessingExampleScriptsPlugin.py         |   3 +-
 .../examplescripts/scripts/examplescript.py   |   2 +-
 .../algs/grass/GrassAlgorithmProvider.py      |   4 +-
 .../plugins/processing/algs/otb/OTBUtils.py   |   2 +-
 .../algs/qgis/QGISAlgorithmProvider.py        |   4 +-
 .../plugins/processing/algs/saga/SagaUtils.py |   2 +-
 python/plugins/processing/core/Processing.py  |  14 +-
 python/plugins/processing/core/alglist.py     |   3 +-
 .../processing/core/defaultproviders.py       |   1 -
 .../processing/gui/AlgorithmDialogBase.py     |  31 ++--
 .../processing/gui/DeleteScriptAction.py      |   1 +
 .../processing/gui/EditScriptAction.py        |   1 +
 .../processing/gui/GetScriptsAndModels.py     |   8 +-
 .../processing/gui/HelpEditionDialog.py       |   5 +-
 .../plugins/processing/gui/ResultsDialog.py   |  13 +-
 .../processing/modeler/DeleteModelAction.py   |   1 +
 .../processing/modeler/EditModelAction.py     |   1 +
 .../modeler/ModelerParametersDialog.py        |  55 ++++---
 .../DeletePreconfiguredAlgorithmAction.py     |   1 +
 .../plugins/processing/ui/DlgAlgorithmBase.ui |  18 +--
 .../processing/ui/DlgGetScriptsAndModels.ui   | 149 ++++++------------
 .../plugins/processing/ui/DlgHelpEdition.ui   |  17 +-
 python/plugins/processing/ui/DlgResults.ui    |  33 +---
 23 files changed, 147 insertions(+), 222 deletions(-)

diff --git a/python/plugins/processing/algs/examplescripts/ProcessingExampleScriptsPlugin.py b/python/plugins/processing/algs/examplescripts/ProcessingExampleScriptsPlugin.py
index 9b6c18ceb017..0ef69fc112d0 100644
--- a/python/plugins/processing/algs/examplescripts/ProcessingExampleScriptsPlugin.py
+++ b/python/plugins/processing/algs/examplescripts/ProcessingExampleScriptsPlugin.py
@@ -29,10 +29,11 @@
 
 from processing.core.Processing import Processing
 
+
 class ProcessingExampleScriptsPlugin:
 
     def initGui(self):
         Processing.addScripts(os.path.join(os.path.dirname(__file__), "scripts"))
-            
+
     def unload(self):
         Processing.removeScripts(os.path.join(os.path.dirname(__file__), "scripts"))
diff --git a/python/plugins/processing/algs/examplescripts/scripts/examplescript.py b/python/plugins/processing/algs/examplescripts/scripts/examplescript.py
index 2832f78697f8..133809d2d74e 100644
--- a/python/plugins/processing/algs/examplescripts/scripts/examplescript.py
+++ b/python/plugins/processing/algs/examplescripts/scripts/examplescript.py
@@ -1,3 +1,3 @@
 ##text=string
 
-print text
\ No newline at end of file
+print text
diff --git a/python/plugins/processing/algs/grass/GrassAlgorithmProvider.py b/python/plugins/processing/algs/grass/GrassAlgorithmProvider.py
index ab1d3619c3e0..82b2053f168a 100644
--- a/python/plugins/processing/algs/grass/GrassAlgorithmProvider.py
+++ b/python/plugins/processing/algs/grass/GrassAlgorithmProvider.py
@@ -55,8 +55,8 @@ def initializeSettings(self):
                                                 GrassUtils.grassPath(), valuetype=Setting.FOLDER))
             if isWindows():
                 ProcessingConfig.addSetting(Setting(self.getDescription(),
-                                                GrassUtils.GRASS_WIN_SHELL, self.tr('Msys folder'),
-                                                GrassUtils.grassWinShell(), valuetype=Setting.FOLDER))
+                                                    GrassUtils.GRASS_WIN_SHELL, self.tr('Msys folder'),
+                                                    GrassUtils.grassWinShell(), valuetype=Setting.FOLDER))
         ProcessingConfig.addSetting(Setting(self.getDescription(),
                                             GrassUtils.GRASS_LOG_COMMANDS,
                                             self.tr('Log execution commands'), False))
diff --git a/python/plugins/processing/algs/otb/OTBUtils.py b/python/plugins/processing/algs/otb/OTBUtils.py
index 181fc1c74432..2a3ea2173a62 100644
--- a/python/plugins/processing/algs/otb/OTBUtils.py
+++ b/python/plugins/processing/algs/otb/OTBUtils.py
@@ -161,7 +161,7 @@ def executeOtb(commands, progress, addToLog=True):
     os.putenv('ITK_AUTOLOAD_PATH', otbLibPath())
     fused_command = ''.join(['"%s" ' % re.sub(r'^"|"$', '', c) for c in commands])
     proc = subprocess.Popen(fused_command, shell=True, stdout=subprocess.PIPE, stdin=open(os.devnull), stderr=subprocess.STDOUT, universal_newlines=True).stdout
-    if isMac(): #This trick avoids having an uninterrupted system call exception if OTB is not installed
+    if isMac():  # This trick avoids having an uninterrupted system call exception if OTB is not installed
         time.sleep(1)
     for line in iter(proc.readline, ""):
         if "[*" in line:
diff --git a/python/plugins/processing/algs/qgis/QGISAlgorithmProvider.py b/python/plugins/processing/algs/qgis/QGISAlgorithmProvider.py
index 8fcad91d5d69..b802f6c5529d 100644
--- a/python/plugins/processing/algs/qgis/QGISAlgorithmProvider.py
+++ b/python/plugins/processing/algs/qgis/QGISAlgorithmProvider.py
@@ -222,8 +222,8 @@ def __init__(self):
             from .ExecuteSQL import ExecuteSQL
             self.alglist.extend([ExecuteSQL()])
 
-        self.externalAlgs = [] #to store algs added by 3rd party plugins as scripts
-        
+        self.externalAlgs = []  # to store algs added by 3rd party plugins as scripts
+
         folder = os.path.join(os.path.dirname(__file__), 'scripts')
         scripts = ScriptUtils.loadFromFolder(folder)
         for script in scripts:
diff --git a/python/plugins/processing/algs/saga/SagaUtils.py b/python/plugins/processing/algs/saga/SagaUtils.py
index f9801bce6fc1..5e97906358b4 100644
--- a/python/plugins/processing/algs/saga/SagaUtils.py
+++ b/python/plugins/processing/algs/saga/SagaUtils.py
@@ -134,7 +134,7 @@ def getSagaInstalledVersion(runSaga=False):
             stderr=subprocess.STDOUT,
             universal_newlines=True,
         ).stdout
-        if isMac(): #This trick avoids having an uninterrupted system call exception if SAGA is not installed
+        if isMac():  # This trick avoids having an uninterrupted system call exception if SAGA is not installed
             time.sleep(1)
         try:
             lines = proc.readlines()
diff --git a/python/plugins/processing/core/Processing.py b/python/plugins/processing/core/Processing.py
index 6a0efc891961..bf7a1983e0ff 100644
--- a/python/plugins/processing/core/Processing.py
+++ b/python/plugins/processing/core/Processing.py
@@ -64,11 +64,11 @@
 from processing.algs.taudem.TauDEMAlgorithmProvider import TauDEMAlgorithmProvider
 from processing.preconfigured.PreconfiguredAlgorithmProvider import PreconfiguredAlgorithmProvider
 
+
 class Processing:
 
     providers = []
 
-
     # Same structure as algs in algList
     actions = {}
 
@@ -134,8 +134,8 @@ def initialize():
         ProcessingConfig.initialize()
         ProcessingConfig.readSettings()
         RenderingStyles.loadStyles()
-        
-    @staticmethod        
+
+    @staticmethod
     def addScripts(folder):
         Processing.initialize()
         provider = Processing.getProviderFromName("qgis")
@@ -145,19 +145,17 @@ def addScripts(folder):
             script.allowEdit = False
             script._icon = provider._icon
             script.provider = provider
-        provider.externalAlgs.extend(scripts)     
+        provider.externalAlgs.extend(scripts)
         Processing.reloadProvider("qgis")
-        
-    
+
     @staticmethod
     def removeScripts(folder):
         provider = Processing.getProviderFromName("qgis")
         for alg in provider.externalAlgs[::-1]:
             path = os.path.dirname(alg.descriptionFile)
             if path == folder:
-                provider.externalAlgs.remove(alg)   
+                provider.externalAlgs.remove(alg)
         Processing.reloadProvider("qgis")
-        
 
     @staticmethod
     def updateAlgsList():
diff --git a/python/plugins/processing/core/alglist.py b/python/plugins/processing/core/alglist.py
index f0cb6eb7ca9d..0d651d5972f4 100644
--- a/python/plugins/processing/core/alglist.py
+++ b/python/plugins/processing/core/alglist.py
@@ -27,6 +27,7 @@
 
 from qgis.PyQt.QtCore import QObject, pyqtSignal
 
+
 class AlgorithmList(QObject):
 
     providerAdded = pyqtSignal(str)
@@ -76,4 +77,4 @@ def getAlgorithmFromFullName(self, name):
                 if alg.name == name:
                     return alg
 
-algList = AlgorithmList()
\ No newline at end of file
+algList = AlgorithmList()
diff --git a/python/plugins/processing/core/defaultproviders.py b/python/plugins/processing/core/defaultproviders.py
index 1aeba64324ec..688adecfaad8 100644
--- a/python/plugins/processing/core/defaultproviders.py
+++ b/python/plugins/processing/core/defaultproviders.py
@@ -26,7 +26,6 @@
 __revision__ = '$Format:%H$'
 
 
-
 def loadDefaultProviders():
     # this is here just to "trigger" the above imports so providers are loaded
     # and can be found by the Processing.initialize() method
diff --git a/python/plugins/processing/gui/AlgorithmDialogBase.py b/python/plugins/processing/gui/AlgorithmDialogBase.py
index d64f289907c1..c4e02db5a48c 100644
--- a/python/plugins/processing/gui/AlgorithmDialogBase.py
+++ b/python/plugins/processing/gui/AlgorithmDialogBase.py
@@ -31,6 +31,7 @@
 from qgis.PyQt import uic
 from qgis.PyQt.QtCore import QCoreApplication, QSettings, QByteArray, QUrl
 from qgis.PyQt.QtWidgets import QApplication, QDialogButtonBox, QDesktopWidget
+from qgis.PyQt.QtNetwork import QNetworkRequest, QNetworkReply
 
 from qgis.utils import iface
 from qgis.core import QgsNetworkAccessManager
@@ -63,9 +64,9 @@ def __init__(self, alg):
 
         self.setWindowTitle(self.alg.displayName())
 
-        desktop = QDesktopWidget()
-        if desktop.physicalDpiX() > 96:
-            self.textHelp.setZoomFactor(desktop.physicalDpiX() / 96)
+        #~ desktop = QDesktopWidget()
+        #~ if desktop.physicalDpiX() > 96:
+        #~ self.txtHelp.setZoomFactor(desktop.physicalDpiX() / 96)
 
         algHelp = self.alg.shortHelp()
         if algHelp is None:
@@ -83,20 +84,22 @@ def __init__(self, alg):
 
         def linkClicked(url):
             webbrowser.open(url.toString())
-        self.textShortHelp.anchorClicked.connect(linkClicked)
 
-        self.textHelp.page().setNetworkAccessManager(QgsNetworkAccessManager.instance())
+        self.textShortHelp.anchorClicked.connect(linkClicked)
 
         isText, algHelp = self.alg.help()
         if algHelp is not None:
             algHelp = algHelp if isText else QUrl(algHelp)
             try:
                 if isText:
-                    self.textHelp.setHtml(algHelp)
+                    self.txtHelp.setHtml(algHelp)
                 else:
-                    self.textHelp.settings().clearMemoryCaches()
-                    self.textHelp.load(algHelp)
-            except:
+                    html = self.tr('<p>Downloading algorithm help... Please wait.</p>')
+                    self.txtHelp.setHtml(html)
+                    rq = QNetworkRequest(algHelp)
+                    self.reply = QgsNetworkAccessManager.instance().get(rq)
+                    self.reply.finished.connect(self.requestFinished)
+            except Exception, e:
                 self.tabWidget.removeTab(2)
         else:
             self.tabWidget.removeTab(2)
@@ -104,6 +107,16 @@ def linkClicked(url):
         self.showDebug = ProcessingConfig.getSetting(
             ProcessingConfig.SHOW_DEBUG_IN_DIALOG)
 
+    def requestFinished(self):
+        """Change the webview HTML content"""
+        reply = self.sender()
+        if reply.error() != QNetworkReply.NoError:
+            html = self.tr('<h2>No help available for this algorithm</h2><p>{}</p>'.format(reply.errorString()))
+        else:
+            html = unicode(reply.readAll())
+        reply.deleteLater()
+        self.txtHelp.setHtml(html)
+
     def closeEvent(self, evt):
         self.settings.setValue("/Processing/dialogBase", self.saveGeometry())
         super(AlgorithmDialogBase, self).closeEvent(evt)
diff --git a/python/plugins/processing/gui/DeleteScriptAction.py b/python/plugins/processing/gui/DeleteScriptAction.py
index c220961ce92e..b14b0680e8bd 100644
--- a/python/plugins/processing/gui/DeleteScriptAction.py
+++ b/python/plugins/processing/gui/DeleteScriptAction.py
@@ -35,6 +35,7 @@
 from processing.script.ScriptAlgorithm import ScriptAlgorithm
 from processing.core.alglist import algList
 
+
 class DeleteScriptAction(ContextAction):
 
     SCRIPT_PYTHON = 0
diff --git a/python/plugins/processing/gui/EditScriptAction.py b/python/plugins/processing/gui/EditScriptAction.py
index eeef6c93f7a0..400cebb104c3 100644
--- a/python/plugins/processing/gui/EditScriptAction.py
+++ b/python/plugins/processing/gui/EditScriptAction.py
@@ -31,6 +31,7 @@
 from processing.script.ScriptAlgorithm import ScriptAlgorithm
 from processing.core.alglist import algList
 
+
 class EditScriptAction(ContextAction):
 
     SCRIPT_PYTHON = 0
diff --git a/python/plugins/processing/gui/GetScriptsAndModels.py b/python/plugins/processing/gui/GetScriptsAndModels.py
index f087deaedc5b..ab686e174b20 100644
--- a/python/plugins/processing/gui/GetScriptsAndModels.py
+++ b/python/plugins/processing/gui/GetScriptsAndModels.py
@@ -208,10 +208,10 @@ def treeLoaded(self, reply):
         self.tree.addTopLevelItem(self.notinstalledItem)
         self.tree.addTopLevelItem(self.uptodateItem)
 
-        self.webView.setHtml(self.HELP_TEXT)
+        self.txtHelp.setHtml(self.HELP_TEXT)
 
     def setHelp(self, reply, item):
-        """Change the webview HTML content"""
+        """Change the HTML content"""
         QApplication.restoreOverrideCursor()
         if reply.error() != QNetworkReply.NoError:
             html = self.tr('<h2>No detailed description available for this script</h2>')
@@ -223,14 +223,14 @@ def setHelp(self, reply, item):
             html += self.tr('<p><b>Created by:</b> %s') % getDescription(ALG_CREATOR, descriptions)
             html += self.tr('<p><b>Version:</b> %s') % getDescription(ALG_VERSION, descriptions)
         reply.deleteLater()
-        self.webView.setHtml(html)
+        self.txtHelp.setHtml(html)
 
     def currentItemChanged(self, item, prev):
         if isinstance(item, TreeItem):
             url = self.urlBase + item.filename.replace(' ', '%20') + '.help'
             self.grabHTTP(url, self.setHelp, item)
         else:
-            self.webView.setHtml(self.HELP_TEXT)
+            self.txtHelp.setHtml(self.HELP_TEXT)
 
     def getTreeBranchForState(self, filename, version):
         if not os.path.exists(os.path.join(self.folder, filename)):
diff --git a/python/plugins/processing/gui/HelpEditionDialog.py b/python/plugins/processing/gui/HelpEditionDialog.py
index 80c372362b3b..e4babe4a3b15 100644
--- a/python/plugins/processing/gui/HelpEditionDialog.py
+++ b/python/plugins/processing/gui/HelpEditionDialog.py
@@ -16,8 +16,6 @@
 *                                                                         *
 ***************************************************************************
 """
-from processing.modeler.ModelerAlgorithm import ModelerAlgorithm
-
 
 __author__ = 'Victor Olaya'
 __date__ = 'August 2012'
@@ -34,6 +32,7 @@
 from qgis.PyQt.QtWidgets import QDialog, QTreeWidgetItem
 
 from processing.core.ProcessingLog import ProcessingLog
+from processing.modeler.ModelerAlgorithm import ModelerAlgorithm
 
 pluginPath = os.path.split(os.path.dirname(__file__))[0]
 WIDGET, BASE = uic.loadUiType(
@@ -138,7 +137,7 @@ def changeItem(self):
                 self.updateHtmlView()
 
     def updateHtmlView(self):
-        self.webView.setHtml(self.getHtml())
+        self.txtPreview.setHtml(self.getHtml())
 
     def getDescription(self, name):
         if name in self.descriptions:
diff --git a/python/plugins/processing/gui/ResultsDialog.py b/python/plugins/processing/gui/ResultsDialog.py
index a06404be25e6..1dde9665e65b 100644
--- a/python/plugins/processing/gui/ResultsDialog.py
+++ b/python/plugins/processing/gui/ResultsDialog.py
@@ -26,6 +26,7 @@
 __revision__ = '$Format:%H$'
 
 import os
+import codecs
 
 from qgis.PyQt import uic
 from qgis.PyQt.QtCore import QUrl
@@ -53,7 +54,7 @@ def __init__(self):
         self.fillTree()
 
         if self.lastUrl:
-            self.webView.load(self.lastUrl)
+            self.txtResults.setHtml(self.loadResults(self.lastUrl))
 
     def fillTree(self):
         elements = ProcessingResults.getResults()
@@ -64,13 +65,17 @@ def fillTree(self):
             item = TreeResultItem(element)
             item.setIcon(0, self.keyIcon)
             self.tree.addTopLevelItem(item)
-        self.lastUrl = QUrl(elements[-1].filename)
+        self.lastUrl = elements[-1].filename
 
     def changeResult(self):
         item = self.tree.currentItem()
         if isinstance(item, TreeResultItem):
-            url = QUrl(item.filename)
-            self.webView.load(url)
+            self.txtResults.setHtml(self.loadResults(item.filename))
+
+    def loadResults(self, fileName):
+        with codecs.open(fileName, encoding='utf-8') as f:
+            content = f.read()
+        return content
 
 
 class TreeResultItem(QTreeWidgetItem):
diff --git a/python/plugins/processing/modeler/DeleteModelAction.py b/python/plugins/processing/modeler/DeleteModelAction.py
index 749f51ecac77..00579008516d 100644
--- a/python/plugins/processing/modeler/DeleteModelAction.py
+++ b/python/plugins/processing/modeler/DeleteModelAction.py
@@ -31,6 +31,7 @@
 from processing.modeler.ModelerAlgorithm import ModelerAlgorithm
 from processing.core.alglist import algList
 
+
 class DeleteModelAction(ContextAction):
 
     def __init__(self):
diff --git a/python/plugins/processing/modeler/EditModelAction.py b/python/plugins/processing/modeler/EditModelAction.py
index 42b5da06be1b..f89f203ebc52 100644
--- a/python/plugins/processing/modeler/EditModelAction.py
+++ b/python/plugins/processing/modeler/EditModelAction.py
@@ -30,6 +30,7 @@
 from processing.modeler.ModelerDialog import ModelerDialog
 from processing.core.alglist import algList
 
+
 class EditModelAction(ContextAction):
 
     def __init__(self):
diff --git a/python/plugins/processing/modeler/ModelerParametersDialog.py b/python/plugins/processing/modeler/ModelerParametersDialog.py
index a240ebb0664b..9f6cfb2a35ba 100644
--- a/python/plugins/processing/modeler/ModelerParametersDialog.py
+++ b/python/plugins/processing/modeler/ModelerParametersDialog.py
@@ -26,8 +26,13 @@
 __revision__ = '$Format:%H$'
 
 from qgis.PyQt.QtCore import Qt, QUrl, QMetaObject
-from qgis.PyQt.QtWidgets import QDialog, QDialogButtonBox, QLabel, QLineEdit, QFrame, QPushButton, QSizePolicy, QVBoxLayout, QHBoxLayout, QTabWidget, QWidget, QScrollArea, QComboBox, QTableWidgetItem, QMessageBox
-from qgis.core import QgsWebView
+from qgis.PyQt.QtWidgets import (QDialog, QDialogButtonBox, QLabel, QLineEdit,
+                                 QFrame, QPushButton, QSizePolicy, QVBoxLayout,
+                                 QHBoxLayout, QTabWidget, QWidget, QScrollArea,
+                                 QComboBox, QTableWidgetItem, QMessageBox)
+from qgis.PyQt.QtNetwork import QNetworkRequest, QNetworkReply
+
+from qgis.core import QgsNetworkAccessManager
 
 from processing.gui.CrsSelectionPanel import CrsSelectionPanel
 from processing.gui.MultipleInputPanel import MultipleInputPanel
@@ -194,27 +199,27 @@ def setupUi(self):
         self.scrollArea.setWidget(self.paramPanel)
         self.scrollArea.setWidgetResizable(True)
         self.tabWidget.addTab(self.scrollArea, self.tr('Parameters'))
-        self.webView = QgsWebView()
+
+        self.txtHelp = QTextBrowser()
 
         html = None
         url = None
-        isText, help = self._alg.help()
-        if help is not None:
-            if isText:
-                html = help
-            else:
-                url = QUrl(help)
-        else:
-            html = self.tr('<h2>Sorry, no help is available for this '
-                           'algorithm.</h2>')
-        try:
-            if html:
-                self.webView.setHtml(html)
-            elif url:
-                self.webView.load(url)
-        except:
-            self.webView.setHtml(self.tr('<h2>Could not open help file :-( </h2>'))
-        self.tabWidget.addTab(self.webView, 'Help')
+        isText, algHelp = self._alg.help()
+        if algHelp is not None:
+            algHelp = algHelp if isText else QUrl(algHelp)
+            try:
+                if isText:
+                    self.txtHelp.setHtml(algHelp)
+                else:
+                    html = self.tr('<p>Downloading algorithm help... Please wait.</p>')
+                    self.txtHelp.setHtml(html)
+                    self.reply = QgsNetworkAccessManager.instance().get(QNetworkRequest(algHelp))
+                    self.reply.finished.connect(self.requestFinished)
+            except:
+                self.txtHelp.setHtml(self.tr('<h2>No help available for this algorithm</h2>'))
+
+        self.tabWidget.addTab(self.txtHelp, 'Help')
+
         self.verticalLayout2.addWidget(self.tabWidget)
         self.verticalLayout2.addWidget(self.buttonBox)
         self.setLayout(self.verticalLayout2)
@@ -222,6 +227,16 @@ def setupUi(self):
         self.buttonBox.rejected.connect(self.cancelPressed)
         QMetaObject.connectSlotsByName(self)
 
+    def requestFinished(self):
+        """Change the webview HTML content"""
+        reply = self.sender()
+        if reply.error() != QNetworkReply.NoError:
+            html = self.tr('<h2>No help available for this algorithm</h2><p>{}</p>'.format(reply.errorString()))
+        else:
+            html = unicode(reply.readAll())
+        reply.deleteLater()
+        self.txtHelp.setHtml(html)
+
     def getAvailableDependencies(self):
         if self._algName is None:
             dependent = []
diff --git a/python/plugins/processing/preconfigured/DeletePreconfiguredAlgorithmAction.py b/python/plugins/processing/preconfigured/DeletePreconfiguredAlgorithmAction.py
index 879a75189459..be1abfcd88ea 100644
--- a/python/plugins/processing/preconfigured/DeletePreconfiguredAlgorithmAction.py
+++ b/python/plugins/processing/preconfigured/DeletePreconfiguredAlgorithmAction.py
@@ -31,6 +31,7 @@
 from processing.preconfigured.PreconfiguredAlgorithm import PreconfiguredAlgorithm
 from processing.core.alglist import algList
 
+
 class DeletePreconfiguredAlgorithmAction(ContextAction):
 
     def __init__(self):
diff --git a/python/plugins/processing/ui/DlgAlgorithmBase.ui b/python/plugins/processing/ui/DlgAlgorithmBase.ui
index b171a2f863bf..0e0a9bbc88e6 100644
--- a/python/plugins/processing/ui/DlgAlgorithmBase.ui
+++ b/python/plugins/processing/ui/DlgAlgorithmBase.ui
@@ -47,9 +47,6 @@
          </property>
          <item>
           <widget class="QTextEdit" name="txtLog">
-           <property name="frameShape">
-            <enum>QFrame::NoFrame</enum>
-           </property>
            <property name="readOnly">
             <bool>true</bool>
            </property>
@@ -69,13 +66,7 @@
           <number>0</number>
          </property>
          <item>
-          <widget class="QgsWebView" name="textHelp">
-           <property name="url">
-            <url>
-             <string>about:blank</string>
-            </url>
-           </property>
-          </widget>
+          <widget class="QTextBrowser" name="txtHelp"/>
          </item>
         </layout>
        </widget>
@@ -131,13 +122,6 @@
    </item>
   </layout>
  </widget>
- <customwidgets>
-  <customwidget>
-   <class>QgsWebView</class>
-   <extends>QWidget</extends>
-   <header>qgis.core</header>
-  </customwidget>
- </customwidgets>
  <resources/>
  <connections>
   <connection>
diff --git a/python/plugins/processing/ui/DlgGetScriptsAndModels.ui b/python/plugins/processing/ui/DlgGetScriptsAndModels.ui
index 72378dc329bf..4661c901c546 100644
--- a/python/plugins/processing/ui/DlgGetScriptsAndModels.ui
+++ b/python/plugins/processing/ui/DlgGetScriptsAndModels.ui
@@ -6,32 +6,20 @@
    <rect>
     <x>0</x>
     <y>0</y>
-    <width>826</width>
-    <height>520</height>
+    <width>504</width>
+    <height>523</height>
    </rect>
   </property>
   <property name="windowTitle">
    <string>Get scripts and models</string>
   </property>
-  <layout class="QVBoxLayout" name="verticalLayout">
-   <item>
+  <layout class="QGridLayout" name="gridLayout">
+   <item row="0" column="0" colspan="2">
     <widget class="QSplitter" name="splitter">
      <property name="orientation">
       <enum>Qt::Horizontal</enum>
      </property>
      <widget class="QTreeWidget" name="tree">
-      <property name="minimumSize">
-       <size>
-        <width>350</width>
-        <height>0</height>
-       </size>
-      </property>
-      <property name="maximumSize">
-       <size>
-        <width>100000</width>
-        <height>100000</height>
-       </size>
-      </property>
       <property name="selectionMode">
        <enum>QAbstractItemView::SingleSelection</enum>
       </property>
@@ -59,96 +47,55 @@
        </property>
       </column>
      </widget>
-     <widget class="QFrame" name="frame">
-      <property name="frameShape">
-       <enum>QFrame::StyledPanel</enum>
-      </property>
-      <property name="frameShadow">
-       <enum>QFrame::Sunken</enum>
-      </property>
-      <layout class="QHBoxLayout" name="horizontalLayout">
-       <property name="spacing">
-        <number>0</number>
-       </property>
-       <property name="margin">
-        <number>0</number>
-       </property>
-       <item>
-        <widget class="QgsWebView" name="webView">
-         <property name="maximumSize">
-          <size>
-           <width>10000</width>
-           <height>10000</height>
-          </size>
-         </property>
-         <property name="url">
-          <url>
-           <string>about:blank</string>
-          </url>
-         </property>
-        </widget>
-       </item>
-      </layout>
-     </widget>
+     <widget class="QTextEdit" name="txtHelp"/>
     </widget>
    </item>
-   <item>
-    <layout class="QHBoxLayout" name="horizontalLayout_2">
-     <item>
-      <widget class="QProgressBar" name="progressBar">
-       <property name="sizePolicy">
-        <sizepolicy hsizetype="MinimumExpanding" vsizetype="Fixed">
-         <horstretch>0</horstretch>
-         <verstretch>0</verstretch>
-        </sizepolicy>
-       </property>
-       <property name="minimumSize">
-        <size>
-         <width>0</width>
-         <height>0</height>
-        </size>
-       </property>
-       <property name="value">
-        <number>0</number>
-       </property>
-       <property name="invertedAppearance">
-        <bool>false</bool>
-       </property>
-      </widget>
-     </item>
-     <item>
-      <widget class="QDialogButtonBox" name="buttonBox">
-       <property name="sizePolicy">
-        <sizepolicy hsizetype="MinimumExpanding" vsizetype="Fixed">
-         <horstretch>0</horstretch>
-         <verstretch>0</verstretch>
-        </sizepolicy>
-       </property>
-       <property name="maximumSize">
-        <size>
-         <width>200</width>
-         <height>16777215</height>
-        </size>
-       </property>
-       <property name="orientation">
-        <enum>Qt::Horizontal</enum>
-       </property>
-       <property name="standardButtons">
-        <set>QDialogButtonBox::Cancel|QDialogButtonBox::Ok</set>
-       </property>
-      </widget>
-     </item>
-    </layout>
+   <item row="1" column="0">
+    <widget class="QProgressBar" name="progressBar">
+     <property name="sizePolicy">
+      <sizepolicy hsizetype="MinimumExpanding" vsizetype="Fixed">
+       <horstretch>0</horstretch>
+       <verstretch>0</verstretch>
+      </sizepolicy>
+     </property>
+     <property name="minimumSize">
+      <size>
+       <width>0</width>
+       <height>0</height>
+      </size>
+     </property>
+     <property name="value">
+      <number>0</number>
+     </property>
+     <property name="invertedAppearance">
+      <bool>false</bool>
+     </property>
+    </widget>
+   </item>
+   <item row="1" column="1">
+    <widget class="QDialogButtonBox" name="buttonBox">
+     <property name="sizePolicy">
+      <sizepolicy hsizetype="MinimumExpanding" vsizetype="Fixed">
+       <horstretch>0</horstretch>
+       <verstretch>0</verstretch>
+      </sizepolicy>
+     </property>
+     <property name="maximumSize">
+      <size>
+       <width>200</width>
+       <height>16777215</height>
+      </size>
+     </property>
+     <property name="orientation">
+      <enum>Qt::Horizontal</enum>
+     </property>
+     <property name="standardButtons">
+      <set>QDialogButtonBox::Cancel|QDialogButtonBox::Ok</set>
+     </property>
+    </widget>
    </item>
   </layout>
  </widget>
- <customwidgets>
-  <customwidget>
-   <class>QgsWebView</class>
-   <extends>QWidget</extends>
-   <header>qgis.core</header>
-  </customwidget>
- </customwidgets>
  <resources/>
  <connections/>
 </ui>
diff --git a/python/plugins/processing/ui/DlgHelpEdition.ui b/python/plugins/processing/ui/DlgHelpEdition.ui
index 739c4986f06c..c00fc13b6c93 100644
--- a/python/plugins/processing/ui/DlgHelpEdition.ui
+++ b/python/plugins/processing/ui/DlgHelpEdition.ui
@@ -20,18 +20,14 @@
    <property name="margin">
     <number>9</number>
    </property>
+   <item>
+    <widget class="QTextEdit" name="txtPreview"/>
+   </item>
    <item>
     <widget class="QSplitter" name="splitter_2">
      <property name="orientation">
       <enum>Qt::Vertical</enum>
      </property>
-     <widget class="QgsWebView" name="webView">
-      <property name="url">
-       <url>
-        <string>about:blank</string>
-       </url>
-      </property>
-     </widget>
      <widget class="QSplitter" name="splitter">
       <property name="orientation">
        <enum>Qt::Horizontal</enum>
@@ -110,13 +106,6 @@
    </item>
   </layout>
  </widget>
- <customwidgets>
-  <customwidget>
-   <class>QgsWebView</class>
-   <extends>QWidget</extends>
-   <header>qgis.core</header>
-  </customwidget>
- </customwidgets>
  <resources/>
  <connections>
   <connection>
diff --git a/python/plugins/processing/ui/DlgResults.ui b/python/plugins/processing/ui/DlgResults.ui
index eb4656737cb7..b9e6c3917e6e 100644
--- a/python/plugins/processing/ui/DlgResults.ui
+++ b/python/plugins/processing/ui/DlgResults.ui
@@ -14,24 +14,12 @@
    <string>Results</string>
   </property>
   <layout class="QVBoxLayout" name="verticalLayout">
-   <property name="spacing">
-    <number>6</number>
-   </property>
-   <property name="margin">
-    <number>9</number>
-   </property>
    <item>
     <widget class="QSplitter" name="splitter">
      <property name="orientation">
       <enum>Qt::Horizontal</enum>
      </property>
      <widget class="QTreeWidget" name="tree">
-      <property name="minimumSize">
-       <size>
-        <width>0</width>
-        <height>0</height>
-       </size>
-      </property>
       <attribute name="headerVisible">
        <bool>false</bool>
       </attribute>
@@ -41,19 +29,7 @@
        </property>
       </column>
      </widget>
-     <widget class="QgsWebView" name="webView">
-      <property name="minimumSize">
-       <size>
-        <width>0</width>
-        <height>0</height>
-       </size>
-      </property>
-      <property name="url">
-       <url>
-        <string>about:blank</string>
-       </url>
-      </property>
-     </widget>
+     <widget class="QTextEdit" name="txtResults"/>
     </widget>
    </item>
    <item>
@@ -68,13 +44,6 @@
    </item>
   </layout>
  </widget>
- <customwidgets>
-  <customwidget>
-   <class>QgsWebView</class>
-   <extends>QWidget</extends>
-   <header>qgis.core</header>
-  </customwidget>
- </customwidgets>
  <resources/>
  <connections>
   <connection>