Fix slideshow and partitions preview

Also add a slideshow test script

test-slideshow.py

+usr/lib/live-installer/test-slideshow.py
\ No newline at end of file

usr/lib/live-installer/frontend/gtk_interface.py

@@ -250,19 +250,26 @@ class InstallerWindow:
             self.window.fullscreen()
 
         # Initiate the slide show
+        # We have no significant browsing interface, so there isn't much point
+        # in WebKit creating a memory-hungry cache.
+        context = WebKit2.WebContext.get_default()
+        context.set_cache_model(WebKit2.CacheModel.DOCUMENT_VIEWER)
         self.slideshow_path = "/usr/share/live-installer/slideshow"
         if os.path.exists(self.slideshow_path):
             self.slideshow_browser = WebKit2.WebView()
             s = self.slideshow_browser.get_settings()
             s.set_allow_file_access_from_file_urls(True)
+            s.set_property('enable-caret-browsing', False)
             self.slideshow_browser.load_uri("file://" + os.path.join(self.slideshow_path, 'template.html'))
-            self.builder.get_object("vbox_install").add(self.slideshow_browser)
-            self.builder.get_object("vbox_install").show_all()
+            self.builder.get_object("scrolled_slideshow").add(self.slideshow_browser)
+            self.builder.get_object("scrolled_slideshow").show_all()
+            self.slideshow_browser.connect('context-menu', self.on_context_menu)
 
         self.partitions_browser = WebKit2.WebView()
         s = self.partitions_browser.get_settings()
         s.set_allow_file_access_from_file_urls(True)
-        #self.partitions_browser.set_transparent(True)
+        self.partitions_browser.show()
+        self.partitions_browser.set_size_request(-1, 80)
         self.builder.get_object("scrolled_partitions").add(self.partitions_browser)
 
         self.window.show_all()
@@ -270,6 +277,11 @@ class InstallerWindow:
         # fix text wrap
         self.fix_text_wrap()
 
+    def on_context_menu(self, unused_web_view, unused_context_menu,
+                    unused_event, unused_hit_test_result):
+        # True will not show the menu
+        return True
+
     def update_preview_cb(self, dialog, preview):
         filename = dialog.get_preview_filename()
         dialog.set_preview_widget_active(False)

usr/lib/live-installer/test-slideshow.py

+#!/usr/bin/python2
+import sys
+import gi
+import os
+from slideshow import Slideshow
+
+gi.require_version("Gtk", "3.0")
+gi.require_version("WebKit2", "4.0")
+
+from gi.repository import Gtk, Gdk, WebKit2
+
+def on_context_menu(unused_web_view, unused_context_menu,
+                    unused_event, unused_hit_test_result):
+    # True will not show the menu
+    return True
+
+resource_dir = 'usr/share/live-installer/'
+glade_file = os.path.join(resource_dir, 'interface.ui')
+builder = Gtk.Builder()
+builder.add_from_file(glade_file)
+
+# We have no significant browsing interface, so there isn't much point
+# in WebKit creating a memory-hungry cache.
+context = WebKit2.WebContext.get_default()
+context.set_cache_model(WebKit2.CacheModel.DOCUMENT_VIEWER)
+
+slideshow_path = "/usr/share/live-installer/slideshow"
+webview = WebKit2.WebView()
+s = webview.get_settings()
+s.set_allow_file_access_from_file_urls(True)
+
+webview.connect('context-menu', on_context_menu)
+s.set_property('enable-caret-browsing', False)
+
+webview.load_uri("file://" + os.path.join(slideshow_path, 'template.html'))
+webview.show()
+
+builder.get_object("scrolled_slideshow").add(webview)
+slideshow = Slideshow(webview, slideshow_path, intervalSeconds=3, loopPages=True)
+slideshow.run()
+
+
+window = builder.get_object("main_window")
+builder.get_object("notebook1").set_current_page(1)
+window.show_all()
+window.connect("destroy", Gtk.main_quit)
+Gtk.main()

usr/share/live-installer/disk-partitions.html

@@ -3,7 +3,7 @@
 <style>
 
 body {
-  background-color:#d6d6d6;
+  background-color:#f0f0f0;
 }
 .partition {
   position:relative;

usr/share/live-installer/interface.ui

@@ -1050,7 +1050,22 @@
                   </packing>
                 </child>
                 <child>
-                  <placeholder/>
+                  <object class="GtkScrolledWindow" id="scrolled_slideshow">
+                    <property name="height_request">450</property>
+                    <property name="visible">True</property>
+                    <property name="can_focus">True</property>
+                    <property name="hscrollbar_policy">never</property>
+                    <property name="vscrollbar_policy">never</property>
+                    <property name="shadow_type">in</property>
+                    <child>
+                      <placeholder/>
+                    </child>
+                  </object>
+                  <packing>
+                    <property name="expand">True</property>
+                    <property name="fill">True</property>
+                    <property name="position">1</property>
+                  </packing>
                 </child>
               </object>
               <packing>