[dconf-editor] Enter search mode when clicking pathbar.

[Arnaud B. <arnaudb src gnome org>]

commit e4215908ab31629e17939d0f2dbe3a5ac7e07d67
Author: Arnaud Bonatti <arnaud bonatti gmail com>
Date:   Thu Nov 29 14:06:26 2018 +0100

    Enter search mode when clicking pathbar.

 editor/adaptative-pathbar.vala |  3 ++-
 editor/browser-headerbar.ui    |  7 ++++++-
 editor/browser-headerbar.vala  |  2 ++
 editor/large-pathbar.css       | 12 ++++++++++++
 editor/large-pathbar.vala      | 35 +++++++++++++++++++++++++++++++++++
 editor/pathwidget.ui           |  5 +++--
 6 files changed, 60 insertions(+), 4 deletions(-)
---
diff --git a/editor/adaptative-pathbar.vala b/editor/adaptative-pathbar.vala
index 2e869d8..b60eb91 100644
--- a/editor/adaptative-pathbar.vala
+++ b/editor/adaptative-pathbar.vala
@@ -39,7 +39,8 @@ private class AdaptativePathbar : Stack, Pathbar, AdaptativeWidget
     private void create_large_pathbar ()
     {
         large_pathbar = new LargePathbar ();
-        large_pathbar.valign = Align.CENTER;
+        large_pathbar.valign = Align.FILL;
+        large_pathbar.vexpand = true;
         large_pathbar.show ();
         add (large_pathbar);
         large_pathbar_created = true;
diff --git a/editor/browser-headerbar.ui b/editor/browser-headerbar.ui
index 4ce5ff0..886bb2a 100644
--- a/editor/browser-headerbar.ui
+++ b/editor/browser-headerbar.ui
@@ -7,6 +7,7 @@
     <child>
       <object class="GtkButton" id="go_back_button">
         <property name="visible">False</property>
+        <property name="valign">center</property>
         <style>
           <class name="image-button"/>
         </style>
@@ -58,8 +59,9 @@
       </object>
     </child -->
     <child type="title">
-      <object class="GtkBox">
+      <object class="GtkBox" id="center_box">
         <property name="visible">True</property>
+        <property name="valign">fill</property>
         <property name="spacing">6</property>
         <style>
           <class name="centerwidget"/>
@@ -130,6 +132,7 @@
     <child>
       <object class="GtkMenuButton" id="quit_button">
         <property name="visible">False</property>
+        <property name="valign">center</property>
         <property name="action-name">app.quit</property>
         <style>
           <class name="titlebutton"/>
@@ -149,6 +152,7 @@
     <child>
       <object class="GtkButton" id="show_modifications_button">
         <property name="visible">False</property>
+        <property name="valign">center</property>
         <property name="action-name">ui.show-in-window-modifications</property>
         <style>
           <class name="titlebutton"/>
@@ -180,6 +184,7 @@
     <child>
       <object class="GtkMenuButton" id="modifications_actions_button">
         <property name="visible">False</property>
+        <property name="valign">center</property>
         <style>
           <class name="image-button"/>
         </style>
diff --git a/editor/browser-headerbar.vala b/editor/browser-headerbar.vala
index 7ee5480..17ca582 100644
--- a/editor/browser-headerbar.vala
+++ b/editor/browser-headerbar.vala
@@ -26,6 +26,7 @@ private class BrowserHeaderBar : HeaderBar, AdaptativeWidget
     [GtkChild] private Revealer     bookmarks_revealer;
     [GtkChild] private Bookmarks    bookmarks_button;
 
+    [GtkChild] private Box          center_box;
     [GtkChild] private Stack        title_stack;
     [GtkChild] private Label        title_label;
 
@@ -167,6 +168,7 @@ private class BrowserHeaderBar : HeaderBar, AdaptativeWidget
 
     construct
     {
+        center_box.valign = Align.FILL;
         install_action_entries ();
         construct_modifications_actions_button_menu ();
     }
diff --git a/editor/large-pathbar.css b/editor/large-pathbar.css
index dfbbd62..494c297 100644
--- a/editor/large-pathbar.css
+++ b/editor/large-pathbar.css
@@ -72,6 +72,18 @@ box.pathbar         > label {
   color:currentColor;
 }
 
+.pathbar            > button.invisible {
+  padding:0;
+  min-width:0;
+
+  border:none;
+  border-color:transparent;
+  box-shadow:none;
+  background:none;
+  background-color:transparent;
+  color:currentColor;
+}
+
 /* items hacks */
 .small-window.startup .pathbar  > button                        > label.item { /* class remove after 0.3s */
   transition:padding             0s;
diff --git a/editor/large-pathbar.vala b/editor/large-pathbar.vala
index 1eea3a0..3408bba 100644
--- a/editor/large-pathbar.vala
+++ b/editor/large-pathbar.vala
@@ -64,6 +64,11 @@ private class LargePathbar : Box, Pathbar
             return;
 
         _set_path (type, path);
+        if (invisible_button != null)
+        {
+            Variant variant = new Variant.string (complete_path);
+            ((!) invisible_button).set_detailed_action_name ("ui.open-search(" + variant.print (false) + 
")");
+        }
         update_active_button_cursor (type, ref active_button);
     }
     private void _set_path (ViewType type, string path)
@@ -79,6 +84,13 @@ private class LargePathbar : Box, Pathbar
         bool destroy_all = false;
         bool maintain_all = false;
         @foreach ((child) => {
+                if (child is InvisibleButton)
+                {
+                    child.destroy ();
+                    invisible_button = null;
+                    return;
+                }
+
                 if (child is Label)
                 {
                     if (destroy_all)
@@ -138,6 +150,7 @@ private class LargePathbar : Box, Pathbar
             }
         }
 
+        add_invisible_button ();
         @foreach ((child) => child.show ());
     }
     private static inline void update_config_style_class (bool type_is_config, StyleContext context)
@@ -222,6 +235,14 @@ private class LargePathbar : Box, Pathbar
     * * widgets management
     \*/
 
+    InvisibleButton? invisible_button = null;
+
+    private void add_invisible_button ()
+    {
+        invisible_button = new InvisibleButton ();
+        add ((!) invisible_button);
+    }
+
     private void add_slash_label ()
     {
         add (new Label ("/"));
@@ -282,6 +303,20 @@ private class LargePathbar : Box, Pathbar
     }
 }
 
+private class InvisibleButton : Button
+{
+    construct
+    {
+        set_detailed_action_name ("ui.open-search('/')");
+        hexpand = true;
+        vexpand = true;
+        can_focus = false;
+        focus_on_click = false;
+        StyleContext context = get_style_context ();
+        context.add_class ("invisible");
+    }
+}
+
 [GtkTemplate (ui = "/ca/desrt/dconf-editor/ui/large-pathbar-item.ui")]
 private class LargePathbarItem : Button
 {
diff --git a/editor/pathwidget.ui b/editor/pathwidget.ui
index 4198e28..275fec9 100644
--- a/editor/pathwidget.ui
+++ b/editor/pathwidget.ui
@@ -2,11 +2,12 @@
 <interface>
   <!-- interface-requires gtk+ 3.0 -->
   <template class="PathWidget" parent="GtkBox">
+    <property name="valign">fill</property>
     <property name="spacing">6</property>
     <child>
       <object class="GtkStack" id="pathwidget_stack">
         <property name="visible">True</property>
-        <property name="valign">center</property>
+        <property name="valign">fill</property>
         <property name="visible-child">pathbar_grid</property> <!-- uses the "id" attribute -->
         <property name="transition-duration">300</property>
         <property name="transition-type">crossfade</property>
@@ -28,7 +29,7 @@
             <child>
               <object class="AdaptativePathbar" id="pathbar">
                 <property name="visible">True</property>
-                <property name="valign">center</property>
+                <property name="valign">fill</property>
               </object>
             </child>
             <child>