search: Move row into its own object (CcSearchPanelRow)

This decouples the user interface parts from the control logic,
making it easy for designers to tweak the look & feel of the rows.
Besides, it makes it easier to introduce Drag & Drop capabilities.

panels/search/cc-search-panel-row.c

@@ -0,0 +1,87 @@
+/*
+ * Copyright © 2019 Red Hat, Inc.
+ *
+ * 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 2 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/>.
+ *
+ * Author: Felipe Borges <felipeborges@gnome.org>
+ */
+
+#include "cc-search-panel-row.h"
+
+struct _CcSearchPanelRow
+{
+  GtkListBoxRow  parent_instance;
+
+  GAppInfo      *app_info;
+
+  GtkImage      *icon;
+  GtkLabel      *app_name;
+  GtkSwitch     *switcher;
+};
+
+G_DEFINE_TYPE (CcSearchPanelRow, cc_search_panel_row, GTK_TYPE_LIST_BOX_ROW)
+
+static void
+cc_search_panel_row_class_init (CcSearchPanelRowClass *klass)
+{
+  GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (klass);
+
+  gtk_widget_class_set_template_from_resource (widget_class, "/org/gnome/control-center/search/cc-search-panel-row.ui");
+
+  gtk_widget_class_bind_template_child (widget_class, CcSearchPanelRow, icon);
+  gtk_widget_class_bind_template_child (widget_class, CcSearchPanelRow, app_name);
+  gtk_widget_class_bind_template_child (widget_class, CcSearchPanelRow, switcher);
+}
+
+static void
+cc_search_panel_row_init (CcSearchPanelRow *self)
+{
+  gtk_widget_init_template (GTK_WIDGET (self));
+}
+
+CcSearchPanelRow *
+cc_search_panel_row_new (GAppInfo *app_info)
+{
+  CcSearchPanelRow *self;
+  g_autoptr(GIcon) gicon = NULL;
+  gint width, height;
+
+  self = g_object_new (CC_TYPE_SEARCH_PANEL_ROW, NULL);
+  self->app_info = g_object_ref (app_info);
+
+  gicon = g_app_info_get_icon (app_info);
+  if (gicon == NULL)
+    gicon = g_themed_icon_new ("application-x-executable");
+  else
+    g_object_ref (gicon);
+  gtk_image_set_from_gicon (self->icon, gicon, GTK_ICON_SIZE_DND);
+  gtk_icon_size_lookup (GTK_ICON_SIZE_DND, &width, &height);
+  gtk_image_set_pixel_size (self->icon, MAX (width, height));
+
+  gtk_label_set_text (self->app_name, g_app_info_get_name (app_info));
+
+  return self;
+}
+
+GAppInfo *
+cc_search_panel_row_get_app_info (CcSearchPanelRow *self)
+{
+  return self->app_info;
+}
+
+GtkWidget *
+cc_search_panel_row_get_switch (CcSearchPanelRow *self)
+{
+  return GTK_WIDGET (self->switcher);
+}

panels/search/cc-search-panel-row.h

@@ -0,0 +1,38 @@
+/*
+ * Copyright © 2019 Red Hat, Inc.
+ *
+ * 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 2 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/>.
+ *
+ * Author: Felipe Borges <felipeborges@gnome.org>
+ */
+
+#pragma once
+
+#include <gio/gdesktopappinfo.h>
+#include <gtk/gtk.h>
+
+G_BEGIN_DECLS
+
+#define CC_TYPE_SEARCH_PANEL_ROW (cc_search_panel_row_get_type())
+
+G_DECLARE_FINAL_TYPE (CcSearchPanelRow, cc_search_panel_row, CC, SEARCH_PANEL_ROW, GtkListBoxRow)
+
+
+CcSearchPanelRow *cc_search_panel_row_new          (GAppInfo *app_info);
+
+GAppInfo         *cc_search_panel_row_get_app_info (CcSearchPanelRow *row);
+
+GtkWidget        *cc_search_panel_row_get_switch   (CcSearchPanelRow *row);
+
+G_END_DECLS

panels/search/cc-search-panel-row.ui

@@ -0,0 +1,42 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<interface>
+  <!-- interface-requires gtk+ 3.0 -->
+  <template class="CcSearchPanelRow" parent="GtkListBoxRow">
+    <property name="visible">True</property>
+    <property name="can-focus">True</property>
+    <child>
+      <object class="GtkEventBox" id="drag_handle">
+        <property name="visible">True</property>
+        <child>
+          <object class="GtkBox">
+            <property name="visible">True</property>
+            <property name="spacing">10</property>
+            <property name="border-width">10</property>
+            <child>
+              <object class="GtkImage" id="icon">
+                <property name="visible">True</property>
+                <style>
+                  <class name="lowres-icon"/>
+                </style>
+              </object>
+            </child>
+            <child>
+              <object class="GtkLabel" id="app_name">
+                <property name="visible">True</property>
+                <property name="hexpand">True</property>
+                <property name="ellipsize">end</property>
+                <property name="xalign">0.0</property>
+              </object>
+            </child>
+            <child>
+              <object class="GtkSwitch" id="switcher">
+                <property name="visible">True</property>
+                <property name="valign">center</property>
+              </object>
+            </child>
+          </object>
+        </child>
+      </object>
+    </child>
+  </template>
+</interface>

panels/search/cc-search-panel.c

@@ -19,6 +19,7 @@
  */
 
 #include "cc-search-panel.h"
+#include "cc-search-panel-row.h"
 #include "cc-search-locations-dialog.h"
 #include "cc-search-resources.h"
 #include "list-box-helper.h"
@@ -59,8 +60,8 @@ list_sort_func (gconstpointer a,
   gint idx_a, idx_b;
   gpointer lookup;
 
-  app_a = g_object_get_data (G_OBJECT (a), "app-info");
+  app_a = cc_search_panel_row_get_app_info (CC_SEARCH_PANEL_ROW ((gpointer*)a));
-  app_b = g_object_get_data (G_OBJECT (b), "app-info");
+  app_b = cc_search_panel_row_get_app_info (CC_SEARCH_PANEL_ROW ((gpointer*)b));
 
   id_a = g_app_info_get_id (app_a);
   id_b = g_app_info_get_id (app_b);
@@ -193,7 +194,7 @@ search_panel_move_selected (CcSearchPanel *self,
   GList *l, *other;
 
   row = gtk_list_box_get_selected_row (GTK_LIST_BOX (self->list_box));
-  app_info = g_object_get_data (G_OBJECT (row), "app-info");
+  app_info = cc_search_panel_row_get_app_info (CC_SEARCH_PANEL_ROW (row));
   app_id = g_app_info_get_id (app_info);
 
   children = gtk_container_get_children (GTK_CONTAINER (self->list_box));
@@ -208,7 +209,7 @@ search_panel_move_selected (CcSearchPanel *self,
   g_assert (other != NULL);
 
   other_row = other->data;
-  other_app_info = g_object_get_data (G_OBJECT (other_row), "app-info");
+  other_app_info = cc_search_panel_row_get_app_info (CC_SEARCH_PANEL_ROW (other_row));
   other_app_id = g_app_info_get_id (other_app_info);
 
   g_assert (other_app_id != NULL);
@@ -234,7 +235,7 @@ search_panel_move_selected (CcSearchPanel *self,
           break;
         }
 
-      tmp =  g_object_get_data (G_OBJECT (l->data), "app-info");
+      tmp = cc_search_panel_row_get_app_info (CC_SEARCH_PANEL_ROW (l->data));
       tmp_id = g_app_info_get_id (tmp);
 
       last_good_app = tmp_id;
@@ -267,7 +268,7 @@ search_panel_move_selected (CcSearchPanel *self,
       GAppInfo *tmp;
       const char *tmp_id;
 
-      tmp = g_object_get_data (G_OBJECT (l->data), "app-info");
+      tmp = cc_search_panel_row_get_app_info (CC_SEARCH_PANEL_ROW (l->data));
       tmp_id = g_app_info_get_id (tmp);
 
       g_hash_table_replace (self->sort_order, g_strdup (tmp_id), GINT_TO_POINTER (idx));
@@ -323,7 +324,7 @@ switch_settings_mapping_set_generic (const GValue *value,
                                      gboolean default_enabled)
 {
   CcSearchPanel *self = g_object_get_data (G_OBJECT (row), "self");
-  GAppInfo *app_info = g_object_get_data (G_OBJECT (row), "app-info");
+  GAppInfo *app_info = cc_search_panel_row_get_app_info (CC_SEARCH_PANEL_ROW (row));
   g_auto(GStrv) apps = NULL;
   g_autoptr(GPtrArray) new_apps = NULL;
   gint idx;
@@ -380,7 +381,7 @@ switch_settings_mapping_get_generic (GValue *value,
                                      GtkWidget *row,
                                      gboolean default_enabled)
 {
-  GAppInfo *app_info = g_object_get_data (G_OBJECT (row), "app-info");
+  GAppInfo *app_info = cc_search_panel_row_get_app_info (CC_SEARCH_PANEL_ROW (row));
   g_autofree const gchar **apps = NULL;
   gint idx;
   gboolean found;
@@ -425,9 +426,8 @@ search_panel_add_one_app_info (CcSearchPanel *self,
                                GAppInfo *app_info,
                                gboolean default_enabled)
 {
-  GtkWidget *row, *box, *w;
+  CcSearchPanelRow *row;
   g_autoptr(GIcon) icon = NULL;
-  gint width, height;
 
   /* gnome-control-center is special cased in the shell,
      and is not configurable */
@@ -438,46 +438,14 @@ search_panel_add_one_app_info (CcSearchPanel *self,
   /* reset valignment of the list box */
   gtk_widget_set_valign (self->list_box, GTK_ALIGN_FILL);
 
-  row = gtk_list_box_row_new ();
+  row = cc_search_panel_row_new (app_info);
-  gtk_widget_show (row);
-  box = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 10);
-  gtk_widget_show (box);
-  gtk_container_add (GTK_CONTAINER (row), box);
-  gtk_widget_set_hexpand (box, TRUE);
-  gtk_container_set_border_width (GTK_CONTAINER (box), 10);
-  g_object_set_data_full (G_OBJECT (row), "app-info",
-                          g_object_ref (app_info), g_object_unref);
   g_object_set_data (G_OBJECT (row), "self", self);
-  gtk_container_add (GTK_CONTAINER (self->list_box), row);
+  gtk_container_add (GTK_CONTAINER (self->list_box), GTK_WIDGET (row));
-
-  icon = g_app_info_get_icon (app_info);
-  if (icon == NULL)
-    icon = g_themed_icon_new ("application-x-executable");
-  else
-    g_object_ref (icon);
-
-  w = gtk_image_new_from_gicon (icon, GTK_ICON_SIZE_DND);
-  gtk_style_context_add_class (gtk_widget_get_style_context (w), "lowres-icon");
-  gtk_widget_show (w);
-  gtk_icon_size_lookup (GTK_ICON_SIZE_DND, &width, &height);
-  gtk_image_set_pixel_size (GTK_IMAGE (w), MAX (width, height));
-  gtk_container_add (GTK_CONTAINER (box), w);
-
-  w = gtk_label_new (g_app_info_get_name (app_info));
-  gtk_widget_show (w);
-  gtk_label_set_ellipsize (GTK_LABEL (w), PANGO_ELLIPSIZE_END);
-  gtk_label_set_xalign (GTK_LABEL (w), 0.0f);
-  gtk_container_add (GTK_CONTAINER (box), w);
-
-  w = gtk_switch_new ();
-  gtk_widget_show (w);
-  gtk_widget_set_valign (w, GTK_ALIGN_CENTER);
-  gtk_box_pack_end (GTK_BOX (box), w, FALSE, FALSE, 0);
 
   if (default_enabled)
     {
       g_settings_bind_with_mapping (self->search_settings, "disabled",
-                                    w, "active",
+                                    cc_search_panel_row_get_switch (row), "active",
                                     G_SETTINGS_BIND_DEFAULT,
                                     switch_settings_mapping_get_default_enabled,
                                     switch_settings_mapping_set_default_enabled,
@@ -486,7 +454,7 @@ search_panel_add_one_app_info (CcSearchPanel *self,
   else
     {
       g_settings_bind_with_mapping (self->search_settings, "enabled",
-                                    w, "active",
+                                    cc_search_panel_row_get_switch (row), "active",
                                     G_SETTINGS_BIND_DEFAULT,
                                     switch_settings_mapping_get_default_disabled,
                                     switch_settings_mapping_set_default_disabled,

panels/search/meson.build

@@ -19,7 +19,8 @@ i18n.merge_file(
 
 sources = files(
   'cc-search-panel.c',
-  'cc-search-locations-dialog.c'
+  'cc-search-locations-dialog.c',
+  'cc-search-panel-row.c'
 )
 
 resource_data = files(

panels/search/search.gresource.xml

@@ -2,6 +2,7 @@
 <gresources>
   <gresource prefix="/org/gnome/control-center/search">
     <file preprocess="xml-stripblanks">cc-search-panel.ui</file>
+    <file preprocess="xml-stripblanks">cc-search-panel-row.ui</file>
     <file preprocess="xml-stripblanks">search-locations-dialog.ui</file>
   </gresource>
 </gresources>