[Sugar-devel] [PATCH Browse v2] Revert zoom with the original value SL #3540

[Manuel Kaufmann]

New functionality to go back to the original zoom value. Added
an icon next to zoom properties in View Toolbar. This function
can be used with the hotkey "Control + 0" as well.

Signed-off-by: Manuel Kaufmann <humitos at gmail.com>
---
 browser.py     |    1 +
 viewtoolbar.py |   11 +++++++++++
 webactivity.py |    4 ++++
 3 files changed, 16 insertions(+), 0 deletions(-)

diff --git a/browser.py b/browser.py
index 259d888..f2b8736 100644
--- a/browser.py
+++ b/browser.py
@@ -38,6 +38,7 @@ import globalhistory
 import downloadmanager
 from pdfviewer import PDFTabPage
 
+_ZOOM_ORIGINAL = 1.0
 _ZOOM_AMOUNT = 0.1
 _LIBRARY_PATH = '/usr/share/library-common/index.html'
 
diff --git a/viewtoolbar.py b/viewtoolbar.py
index 0226df8..d4ecc23 100644
--- a/viewtoolbar.py
+++ b/viewtoolbar.py
@@ -23,6 +23,7 @@ from gi.repository import GObject
 from sugar3.graphics.toolbutton import ToolButton
 
 from browser import Browser
+from browser import _ZOOM_ORIGINAL
 
 
 class ViewToolbar(Gtk.Toolbar):
@@ -47,6 +48,12 @@ class ViewToolbar(Gtk.Toolbar):
         self.insert(self.zoomin, -1)
         self.zoomin.show()
 
+        self.zoomequal = ToolButton('zoom-original')
+        self.zoomequal.set_tooltip(_('Zoom equal'))
+        self.zoomequal.connect('clicked', self.__zoomequal_clicked_cb)
+        self.insert(self.zoomequal, -1)
+        self.zoomequal.show()
+
         self.separator = Gtk.SeparatorToolItem()
         self.separator.set_draw(True)
         self.insert(self.separator, -1)
@@ -83,6 +90,10 @@ class ViewToolbar(Gtk.Toolbar):
         self.zoomin.set_sensitive(is_webkit_browser)
         self.zoomout.set_sensitive(is_webkit_browser)
 
+    def __zoomequal_clicked_cb(self, button):
+        tabbed_view = self._activity.get_canvas()
+        tabbed_view.props.current_browser.set_zoom_level(_ZOOM_ORIGINAL)
+
     def __zoomin_clicked_cb(self, button):
         tabbed_view = self._activity.get_canvas()
         tabbed_view.props.current_browser.zoom_in()
diff --git a/webactivity.py b/webactivity.py
index 156ea3c..3d0d12c 100644
--- a/webactivity.py
+++ b/webactivity.py
@@ -128,6 +128,7 @@ def _set_char_preference(name, value):
 
 
 from browser import TabbedView
+from browser import _ZOOM_ORIGINAL
 from webtoolbar import PrimaryToolbar
 from edittoolbar import EditToolbar
 from viewtoolbar import ViewToolbar
@@ -448,6 +449,9 @@ class WebActivity(activity.Activity):
             elif key_name in ['plus', 'equal']:
                 _logger.debug('keyboard: Zoom in')
                 browser.zoom_in()
+            elif key_name == '0':
+                _logger.debug('keyboard: Zoom equal')
+                browser.set_zoom_level(_ZOOM_ORIGINAL)
             elif key_name == 'Left':
                 _logger.debug('keyboard: Go back')
                 browser.go_back()
-- 
1.7.7.6