Merge pull request #442 from vkbo/issue441_back-nav

Issue #441: Document Viewer History Navigation

docs/source/int_interface.rst

@@ -328,6 +328,8 @@ Most features are available as keyboard shortcuts. These are as follows:
    ":kbd:`Alt`:kbd:`1`",                 "Switch focus to the project tree."
    ":kbd:`Alt`:kbd:`2`",                 "Switch focus to document editor."
    ":kbd:`Alt`:kbd:`3`",                 "Switch focus to document viewer."
+   ":kbd:`Alt`:kbd:`Left`",              "Move backward in the view history of the document viewer."
+   ":kbd:`Alt`:kbd:`Right`",             "Move forward in the view history of the document viewer."
    ":kbd:`Ctrl`:kbd:`.`",                "Open menu to correct word under cursor."
    ":kbd:`Ctrl`:kbd:`,`",                "Open the :guilabel:`Preferences` dialog."
    ":kbd:`Ctrl`:kbd:`/`",                "Change block format to comment."

nw/assets/icons/typicons_colour_dark/icons.conf

@@ -51,5 +51,7 @@ check          = tick.svg
 cross          = times.svg
 hash           = hash.svg
 reference      = at.svg
+backward       = chevron-left.svg
+forward        = chevron-right.svg
 sticky-on      = pin.svg
 sticky-off     = pin-outline.svg

nw/assets/icons/typicons_colour_light/icons.conf

@@ -51,5 +51,7 @@ check          = tick.svg
 cross          = times.svg
 hash           = hash.svg
 reference      = at.svg
+backward       = chevron-left.svg
+forward        = chevron-right.svg
 sticky-on      = pin.svg
 sticky-off     = pin-outline.svg

nw/assets/icons/typicons_grey_dark/icons.conf

@@ -51,5 +51,7 @@ check          = tick.svg
 cross          = times.svg
 hash           = hash.svg
 reference      = at.svg
+backward       = chevron-left.svg
+forward        = chevron-right.svg
 sticky-on      = pin.svg
 sticky-off     = pin-outline.svg