gmoccapy: add button to show preview beside edit window (split view)

Author: hansu

share/gmoccapy/icons/classic/32x32/actions/split_view.png

@@ -603,6 +603,10 @@ uncomment selection</property>
     <property name="visible">True</property>
     <property name="can-focus">False</property>
   </object>
+  <object class="GtkImage" id="img_split_view">
+    <property name="visible">True</property>
+    <property name="can-focus">False</property>
+  </object>
   <object class="GtkImage" id="img_step">
     <property name="visible">True</property>
     <property name="can-focus">False</property>
@@ -7327,15 +7331,20 @@ MDI history</property>
                 <property name="can-focus">False</property>
                 <property name="homogeneous">True</property>
                 <child>
-                  <object class="GtkLabel" id="lbl_space_6">
+                  <object class="GtkToggleButton" id="tbtn_split_view">
                     <property name="width-request">90</property>
                     <property name="height-request">56</property>
                     <property name="visible">True</property>
-                    <property name="can-focus">False</property>
+                    <property name="can-focus">True</property>
+                    <property name="receives-default">True</property>
+                    <property name="halign">center</property>
+                    <property name="valign">center</property>
+                    <property name="image">img_split_view</property>
+                    <signal name="toggled" handler="on_tbtn_split_view_toggled" swapped="no"/>
                   </object>
                   <packing>
-                    <property name="expand">False</property>
-                    <property name="fill">False</property>
+                    <property name="expand">True</property>
+                    <property name="fill">True</property>
                     <property name="position">0</property>
                   </packing>
                 </child>

share/gmoccapy/icons/material-light/32x32/actions/split_view.png

@@ -4904,6 +4904,7 @@ def _set_icon_theme(self, name):
                 ("img_down",                    "chevron_down",     24),
                 ("img_edit-undo",               "edit_undo",        32),
                 ("img_edit-redo",               "edit_redo",        32),
+                ("img_split_view",              "split_view",       32),
                 ("img_edit_menu_reload",        "refresh",          32),
                 ("img_edit_menu_save",          "save",             32),
                 ("img_edit_menu_save_as",       "save_as",          32),
@@ -5583,11 +5584,12 @@ def on_IconFileSelection1_exit(self, widget):
 
     # edit a program or make a new one
     def on_btn_edit_clicked(self, widget, data=None):
+        if not self.widgets.tbtn_split_view.get_active():
+            self.widgets.ntb_preview.hide()
+            self.widgets.vbox14.hide()
+        self.widgets.vbox_jog.set_hexpand(True)
         self.widgets.ntb_button.set_current_page(_BB_EDIT)
-        self.widgets.ntb_preview.hide()
         self.widgets.grid_DRO.hide()
-        self.widgets.vbox14.hide()
-        self.widgets.vbox_jog.set_hexpand(True)
         self.widgets.box_dro_side.hide()
         if not self.widgets.vbx_jog.get_visible():
             self.widgets.vbx_jog.set_visible(True)
@@ -5755,6 +5757,14 @@ def on_tbtn_switch_mode_toggled(self, widget, data=None):
         else:
             self.widgets.tbtn_switch_mode.set_label(_("World\nmode"))
             self._set_motion_mode(1)
+            
+    def on_tbtn_split_view_toggled(self, widget, data=None):
+        if widget.get_active():
+            self.widgets.ntb_preview.show()
+            self.widgets.vbox14.show()
+        else:
+            self.widgets.ntb_preview.hide()
+            self.widgets.vbox14.hide()
 
 # =========================================================
 # Hal Pin Handling Start