[gedit] Allow close button in the left corner

[Jeremy Bicha <jbicha src gnome org>]

commit 2d7369a01afc55092940509dbf98e9b139f08018
Author: Sergio Costas <raster rastersoft com>
Date:   Sun May 15 02:20:07 2016 +0200

    Allow close button in the left corner
    
    When the window buttons are put on the left corner, and the left panel is
    visible, the frame buttons (like "close") are not visible because they are
    marked as permanently hidden. Gedit uses GtkHeaderBar, but, for stetic reasons,
    when the left panel is visible it uses two GtkHeaderBar. In this case, the
    header bar located in the right part of the window should show only the
    frame controls located in the right part, and the header bar located
    over the left panel should show the ones located in the left zone.
    
    Function "side_panel_visibility_changed" (located in gedit-window.c) checks
    wether the side panel is visible or not, and if it is, takes the decoration
    layout, split it in two (by searching for a colon) and applies each half to
    the corresponding GtkHeaderBar. Unfortunately, since the left GtkHeaderBar
    has as False the "show-close-button" property (in the .ui file), it never
    shows the frame controls. The right GtkHeaderBar has a True in that property,
    and that's why it shows them when the decoration layout puts the close
    button in the right corner.
    
    This patch fixes this bug by changing the "show-close-button" property to
    True. This way, when the decoration layout has a "close button" in the left
    corner, the GtkHeaderBar will show it. Of course, if the layout puts the
    "close button" in the right corner, the left GtkHeaderBar won't show it,
    thanks to the code in gedit-window.c

 gedit/resources/ui/gedit-window.ui |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/gedit/resources/ui/gedit-window.ui b/gedit/resources/ui/gedit-window.ui
index 63fb081..e25e933 100644
--- a/gedit/resources/ui/gedit-window.ui
+++ b/gedit/resources/ui/gedit-window.ui
@@ -12,7 +12,7 @@
         <child>
           <object class="GtkHeaderBar" id="side_headerbar">
             <property name="visible" bind-source="side_panel" bind-property="visible" 
bind-flags="sync-create"/>
-            <property name="show_close_button">False</property>
+            <property name="show_close_button">True</property>
             <property name="title" translatable="yes">Documents</property>
           </object>
           <packing>