[nautilus/wip/cdavis/adaptive-flap: 20/24] window: Hide toolbar buttons at small sizes

[Adrien Plazas <aplazas src gnome org>]

commit 0e4492f6cd4f55081711a8ea4eeea4ced87e8b6b
Author: Christopher Davis <brainblasted disroot org>
Date:   Tue Nov 17 23:09:20 2020 -0800

    window: Hide toolbar buttons at small sizes
    
    This hides toolbar navigation buttons and the operations
    button in the headerbar at small sizes.

 src/nautilus-adaptive-mode.h         | 34 +++++++++++++++++++++++
 src/nautilus-toolbar.c               | 27 ++++++++++++++++++
 src/nautilus-toolbar.h               |  4 +++
 src/nautilus-window.c                | 31 +++++++++++++++++++++
 src/resources/ui/nautilus-toolbar.ui | 53 +++++++++++++++++-------------------
 5 files changed, 121 insertions(+), 28 deletions(-)
---
diff --git a/src/nautilus-adaptive-mode.h b/src/nautilus-adaptive-mode.h
new file mode 100644
index 000000000..1af632ed7
--- /dev/null
+++ b/src/nautilus-adaptive-mode.h
@@ -0,0 +1,34 @@
+/* nautilus-adaptive-mode.h
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ * SPDX-License-Identifier: GPL-3.0-or-later
+ *
+ * Adapted from https://gitlab.gnome.org/GNOME/epiphany/-/blob/master/src/ephy-adaptive-mode.h
+ * (C) 2018 Purism SPC, Adrien Plazas <kekun plazas laposte net>
+ */
+
+#pragma once
+
+#include <glib.h>
+
+G_BEGIN_DECLS
+
+typedef enum
+{
+    NAUTILUS_ADAPTIVE_MODE_NARROW,
+    NAUTILUS_ADAPTIVE_MODE_NORMAL,
+} NautilusAdaptiveMode;
+
+G_END_DECLS
diff --git a/src/nautilus-toolbar.c b/src/nautilus-toolbar.c
index 4e8f50821..3f0b1eec8 100644
--- a/src/nautilus-toolbar.c
+++ b/src/nautilus-toolbar.c
@@ -73,7 +73,10 @@ struct _NautilusToolbar
     NautilusContainerMaxWidth *toolbar_switcher_container_max_width;
     GtkWidget *path_bar;
     GtkWidget *location_entry;
+
     GtkWidget *fold_button;
+    GtkWidget *navigation_box;
+    GtkWidget *views_box;
 
     gboolean show_location_entry;
     gboolean show_fold_button;
@@ -1003,6 +1006,28 @@ nautilus_toolbar_on_window_constructed (NautilusToolbar *self)
     undo_manager_changed (self);
 }
 
+void
+nautilus_toolbar_set_adaptive_mode (NautilusToolbar      *self,
+                                    NautilusAdaptiveMode  adaptive_mode)
+{
+    switch (adaptive_mode)
+    {
+        case NAUTILUS_ADAPTIVE_MODE_NARROW:
+        {
+            gtk_widget_hide (self->navigation_box);
+            gtk_widget_hide (self->views_box);
+        }
+        break;
+
+        case NAUTILUS_ADAPTIVE_MODE_NORMAL:
+        {
+            gtk_widget_show (self->navigation_box);
+            gtk_widget_show (self->views_box);
+        }
+        break;
+    }
+}
+
 static void
 nautilus_toolbar_get_property (GObject    *object,
                                guint       property_id,
@@ -1271,6 +1296,8 @@ nautilus_toolbar_class_init (NautilusToolbarClass *klass)
                                                  "/org/gnome/nautilus/ui/nautilus-toolbar.ui");
 
     gtk_widget_class_bind_template_child (widget_class, NautilusToolbar, fold_button);
+    gtk_widget_class_bind_template_child (widget_class, NautilusToolbar, navigation_box);
+    gtk_widget_class_bind_template_child (widget_class, NautilusToolbar, views_box);
     gtk_widget_class_bind_template_child (widget_class, NautilusToolbar, operations_button);
     gtk_widget_class_bind_template_child (widget_class, NautilusToolbar, operations_icon);
     gtk_widget_class_bind_template_child (widget_class, NautilusToolbar, operations_popover);
diff --git a/src/nautilus-toolbar.h b/src/nautilus-toolbar.h
index 364bc76d8..8947d2eef 100644
--- a/src/nautilus-toolbar.h
+++ b/src/nautilus-toolbar.h
@@ -26,6 +26,7 @@
 #include <gtk/gtk.h>
 #include <libhandy-1/handy.h>
 
+#include "nautilus-adaptive-mode.h"
 #include "nautilus-window-slot.h"
 
 G_BEGIN_DECLS
@@ -51,6 +52,9 @@ gboolean   nautilus_toolbar_is_operations_button_active (NautilusToolbar *toolba
 
 void       nautilus_toolbar_on_window_constructed       (NautilusToolbar *toolbar);
 
+void       nautilus_toolbar_set_adaptive_mode (NautilusToolbar *self,
+                                               NautilusAdaptiveMode adaptive_mode);
+
 void nautilus_toolbar_set_window_slot (NautilusToolbar    *self,
                                        NautilusWindowSlot *window_slot);
 G_END_DECLS
diff --git a/src/nautilus-window.c b/src/nautilus-window.c
index 49d0314dc..b0cc14443 100644
--- a/src/nautilus-window.c
+++ b/src/nautilus-window.c
@@ -47,6 +47,7 @@
 #define DEBUG_FLAG NAUTILUS_DEBUG_WINDOW
 #include "nautilus-debug.h"
 
+#include "nautilus-adaptive-mode.h"
 #include "nautilus-application.h"
 #include "nautilus-bookmark-list.h"
 #include "nautilus-clipboard.h"
@@ -713,6 +714,35 @@ nautilus_window_grab_focus (GtkWidget *widget)
     }
 }
 
+static void
+update_adaptive_mode (NautilusWindow *window)
+{
+    NautilusToolbar *toolbar = NAUTILUS_TOOLBAR (window->toolbar);
+    gboolean is_narrow, is_mobile_landscape;
+    gint width, height;
+    NautilusAdaptiveMode adaptive_mode;
+
+    gtk_window_get_size (GTK_WINDOW (window), &width, &height);
+
+    is_narrow = width <= 600;
+    is_mobile_landscape = height <= 400;
+    adaptive_mode = (is_narrow || is_mobile_landscape) ?
+                    NAUTILUS_ADAPTIVE_MODE_NARROW :
+                    NAUTILUS_ADAPTIVE_MODE_NORMAL;
+    nautilus_toolbar_set_adaptive_mode (toolbar, adaptive_mode);
+}
+
+static void
+nautilus_window_size_allocate (GtkWidget     *widget,
+                               GtkAllocation *allocation)
+{
+    NautilusWindow *window = NAUTILUS_WINDOW (widget);
+
+    GTK_WIDGET_CLASS (nautilus_window_parent_class)->size_allocate (widget, allocation);
+
+    update_adaptive_mode (window);
+}
+
 static void
 restore_focus_widget (NautilusWindow *window)
 {
@@ -2757,6 +2787,7 @@ nautilus_window_class_init (NautilusWindowClass *class)
     wclass->key_press_event = nautilus_window_key_press_event;
     wclass->delete_event = nautilus_window_delete_event;
     wclass->grab_focus = nautilus_window_grab_focus;
+    wclass->size_allocate = nautilus_window_size_allocate;
 
     gtk_widget_class_set_template_from_resource (wclass,
                                                  "/org/gnome/nautilus/ui/nautilus-window.ui");
diff --git a/src/resources/ui/nautilus-toolbar.ui b/src/resources/ui/nautilus-toolbar.ui
index bbeb0ecba..7a1bc69b0 100644
--- a/src/resources/ui/nautilus-toolbar.ui
+++ b/src/resources/ui/nautilus-toolbar.ui
@@ -610,7 +610,31 @@
       </object>
     </child>
     <child>
-      <object class="GtkBox">
+      <object class="GtkMenuButton" id="app_button">
+        <property name="visible">True</property>
+        <property name="can_focus">True</property>
+        <property name="receives_default">False</property>
+        <property name="halign">center</property>
+        <property name="valign">center</property>
+        <property name="popover">app_menu</property>
+        <child>
+          <object class="GtkImage">
+            <property name="visible">True</property>
+            <property name="can_focus">False</property>
+            <property name="icon_name">open-menu-symbolic</property>
+            <property name="icon_size">1</property>
+          </object>
+        </child>
+        <style>
+          <class name="image-button"/>
+        </style>
+      </object>
+      <packing>
+        <property name="pack_type">end</property>
+      </packing>
+    </child>
+    <child>
+      <object class="GtkBox" id="views_box">
         <property name="visible">True</property>
         <property name="can_focus">False</property>
         <child>
@@ -657,7 +681,6 @@
             <property name="can_focus">False</property>
             <property name="halign">center</property>
             <property name="valign">center</property>
-            <property name="margin_end">6</property>
             <child>
               <object class="GtkButton" id="view_toggle_button">
                 <property name="visible">True</property>
@@ -718,32 +741,6 @@
             <property name="position">2</property>
           </packing>
         </child>
-        <child>
-          <object class="GtkMenuButton" id="app_button">
-            <property name="visible">True</property>
-            <property name="can_focus">True</property>
-            <property name="receives_default">False</property>
-            <property name="halign">center</property>
-            <property name="valign">center</property>
-            <property name="popover">app_menu</property>
-            <child>
-              <object class="GtkImage">
-                <property name="visible">True</property>
-                <property name="can_focus">False</property>
-                <property name="icon_name">open-menu-symbolic</property>
-                <property name="icon_size">1</property>
-              </object>
-            </child>
-            <style>
-              <class name="image-button"/>
-            </style>
-          </object>
-          <packing>
-            <property name="expand">False</property>
-            <property name="fill">True</property>
-            <property name="position">3</property>
-          </packing>
-        </child>
       </object>
       <packing>
         <property name="pack_type">end</property>