[libadwaita/wip/exalm/tab-overview: 2/2] Demo




commit 92c0d4d87579b7b541a9d1437e560ddf41037d67
Author: Alexander Mikhaylenko <alexm gnome org>
Date:   Fri Aug 12 03:15:10 2022 +0400

    Demo

 demo/pages/tab-view/adw-tab-view-demo-window.c  | 99 +++++++++++++++++++++----
 demo/pages/tab-view/adw-tab-view-demo-window.ui | 87 ++++++++++++++--------
 2 files changed, 143 insertions(+), 43 deletions(-)
---
diff --git a/demo/pages/tab-view/adw-tab-view-demo-window.c b/demo/pages/tab-view/adw-tab-view-demo-window.c
index 4462e535..0b467497 100644
--- a/demo/pages/tab-view/adw-tab-view-demo-window.c
+++ b/demo/pages/tab-view/adw-tab-view-demo-window.c
@@ -7,14 +7,24 @@ struct _AdwTabViewDemoWindow
   AdwWindow parent_instance;
   AdwTabView *view;
   AdwTabBar *tab_bar;
+  AdwTabOverview *tab_overview;
 
   GActionMap *tab_action_group;
 
   AdwTabPage *menu_page;
+  gboolean narrow;
 };
 
 G_DEFINE_TYPE (AdwTabViewDemoWindow, adw_tab_view_demo_window, ADW_TYPE_WINDOW)
 
+enum {
+  PROP_0,
+  PROP_NARROW,
+  LAST_PROP,
+};
+
+static GParamSpec *props[LAST_PROP];
+
 char **icon_names = NULL;
 gsize n_icon_names = 0;
 
@@ -96,35 +106,44 @@ add_page (AdwTabViewDemoWindow *self,
 
   adw_tab_page_set_icon (page, icon);
   adw_tab_page_set_indicator_activatable (page, TRUE);
+  adw_tab_page_set_thumbnail_xalign (page, 0.5);
+  adw_tab_page_set_thumbnail_yalign (page, 0.5);
 
   return page;
 }
 
-static void
-tab_new (GSimpleAction *action,
-         GVariant      *parameter,
-         gpointer       user_data)
+static AdwTabPage *
+create_tab_cb (AdwTabViewDemoWindow *self)
 {
-  AdwTabViewDemoWindow *self = ADW_TAB_VIEW_DEMO_WINDOW (user_data);
   char *title;
-  AdwTabPage *page;
-  GtkWidget *content;
   GIcon *icon;
+  AdwTabPage *page;
   static int next_page = 1;
 
   title = g_strdup_printf (_("Tab %d"), next_page);
   icon = get_random_icon (self);
 
   page = add_page (self, NULL, title, icon);
-  content = adw_tab_page_get_child (page);
-
-  adw_tab_view_set_selected_page (self->view, page);
-
-  gtk_widget_grab_focus (content);
 
   next_page++;
 
   g_free (title);
+
+  return page;
+}
+
+static void
+tab_new (GSimpleAction *action,
+         GVariant      *parameter,
+         gpointer       user_data)
+{
+  AdwTabViewDemoWindow *self = ADW_TAB_VIEW_DEMO_WINDOW (user_data);
+  AdwTabPage *page = create_tab_cb (self);
+  GtkWidget *content = adw_tab_page_get_child (page);
+
+  adw_tab_view_set_selected_page (self->view, page);
+
+  gtk_widget_grab_focus (content);
 }
 
 static AdwTabPage *
@@ -401,8 +420,8 @@ static void
 page_detached_cb (AdwTabViewDemoWindow *self,
                   AdwTabPage           *page)
 {
-  if (!adw_tab_view_get_n_pages (self->view))
-    gtk_window_close (GTK_WINDOW (self));
+//  if (!adw_tab_view_get_n_pages (self->view))
+//    gtk_window_close (GTK_WINDOW (self));
 }
 
 static void
@@ -497,6 +516,43 @@ extra_drag_drop_cb (AdwTabViewDemoWindow *self,
   return GDK_EVENT_STOP;
 }
 
+static void
+adw_tab_view_demo_window_size_allocate (GtkWidget *widget,
+                                        int        width,
+                                        int        height,
+                                        int        baseline)
+{
+  AdwTabViewDemoWindow *self = ADW_TAB_VIEW_DEMO_WINDOW (widget);
+  gboolean narrow = width < 600;
+
+  if (self->narrow != narrow) {
+    self->narrow = narrow;
+    g_object_notify_by_pspec (G_OBJECT (self), props[PROP_NARROW]);
+  }
+
+  GTK_WIDGET_CLASS (adw_tab_view_demo_window_parent_class)->size_allocate (widget,
+                                                                           width,
+                                                                           height,
+                                                                           baseline);
+}
+
+static void
+adw_tab_view_demo_window_get_property (GObject    *object,
+                                       guint       prop_id,
+                                       GValue     *value,
+                                       GParamSpec *pspec)
+{
+  AdwTabViewDemoWindow *self = ADW_TAB_VIEW_DEMO_WINDOW (object);
+
+  switch (prop_id) {
+  case PROP_NARROW:
+    g_value_set_boolean (value, self->narrow);
+    break;
+  default:
+    G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+  }
+}
+
 static void
 adw_tab_view_demo_window_dispose (GObject *object)
 {
@@ -514,12 +570,24 @@ adw_tab_view_demo_window_class_init (AdwTabViewDemoWindowClass *klass)
   GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (klass);
 
   object_class->dispose = adw_tab_view_demo_window_dispose;
+  object_class->get_property = adw_tab_view_demo_window_get_property;
+
+  widget_class->size_allocate = adw_tab_view_demo_window_size_allocate;
+
+  props[PROP_NARROW] =
+    g_param_spec_boolean ("narrow", NULL, NULL,
+                          FALSE,
+                          G_PARAM_READABLE | G_PARAM_STATIC_STRINGS);
+
+  g_object_class_install_properties (object_class, LAST_PROP, props);
 
   gtk_widget_class_set_template_from_resource (widget_class, 
"/org/gnome/Adwaita1/Demo/ui/pages/tab-view/adw-tab-view-demo-window.ui");
   gtk_widget_class_bind_template_child (widget_class, AdwTabViewDemoWindow, view);
   gtk_widget_class_bind_template_child (widget_class, AdwTabViewDemoWindow, tab_bar);
+  gtk_widget_class_bind_template_child (widget_class, AdwTabViewDemoWindow, tab_overview);
   gtk_widget_class_bind_template_callback (widget_class, page_detached_cb);
   gtk_widget_class_bind_template_callback (widget_class, setup_menu_cb);
+  gtk_widget_class_bind_template_callback (widget_class, create_tab_cb);
   gtk_widget_class_bind_template_callback (widget_class, create_window_cb);
   gtk_widget_class_bind_template_callback (widget_class, indicator_activated_cb);
   gtk_widget_class_bind_template_callback (widget_class, extra_drag_drop_cb);
@@ -558,6 +626,9 @@ adw_tab_view_demo_window_init (AdwTabViewDemoWindow *self)
   adw_tab_bar_setup_extra_drop_target (self->tab_bar,
                                        GDK_ACTION_COPY,
                                        (GType[1]) { G_TYPE_STRING }, 1);
+  adw_tab_overview_setup_extra_drop_target (self->tab_overview,
+                                            GDK_ACTION_COPY,
+                                            (GType[1]) { G_TYPE_STRING }, 1);
 }
 
 AdwTabViewDemoWindow *
diff --git a/demo/pages/tab-view/adw-tab-view-demo-window.ui b/demo/pages/tab-view/adw-tab-view-demo-window.ui
index a53ad72e..440cbd92 100644
--- a/demo/pages/tab-view/adw-tab-view-demo-window.ui
+++ b/demo/pages/tab-view/adw-tab-view-demo-window.ui
@@ -6,41 +6,70 @@
     <property name="title" translatable="yes">Tab View Demo</property>
     <property name="default-width">800</property>
     <property name="default-height">600</property>
+    <property name="width-request">360</property>
     <property name="content">
-      <object class="GtkBox">
-        <property name="orientation">vertical</property>
-        <child>
-          <object class="GtkHeaderBar">
-            <child type="start">
-              <object class="GtkButton">
-                <property name="action-name">win.tab-new</property>
-                <property name="icon-name">tab-new-symbolic</property>
+      <object class="AdwTabOverview" id="tab_overview">
+        <property name="view">view</property>
+        <property name="enable-new-tab">True</property>
+        <signal name="extra-drag-drop" handler="extra_drag_drop_cb" swapped="true"/>
+        <signal name="create-tab" handler="create_tab_cb" swapped="true"/>
+        <property name="child">
+          <object class="GtkBox">
+            <property name="orientation">vertical</property>
+            <child>
+              <object class="GtkHeaderBar">
+                <child type="start">
+                  <object class="GtkButton">
+                    <property name="action-name">win.window-new</property>
+                    <property name="icon-name">window-new-symbolic</property>
+                  </object>
+                </child>
+                <child type="end">
+                  <object class="AdwTabButton">
+                    <property name="visible" bind-source="AdwTabViewDemoWindow" bind-property="narrow" 
bind-flags="sync-create"/>
+                    <property name="view">view</property>
+                    <property name="action-name">overview.open</property>
+                  </object>
+                </child>
+                <child type="end">
+                  <object class="GtkButton">
+                    <property name="visible" bind-source="AdwTabViewDemoWindow" bind-property="narrow" 
bind-flags="invert-boolean"/>
+                    <property name="icon-name">view-grid-symbolic</property>
+                    <property name="tooltip-text" translatable="yes">View Open Tabs</property>
+                    <property name="action-name">overview.open</property>
+                  </object>
+                </child>
+                <child type="end">
+                  <object class="GtkButton">
+                    <property name="visible" bind-source="AdwTabViewDemoWindow" bind-property="narrow" 
bind-flags="invert-boolean"/>
+                    <property name="action-name">win.tab-new</property>
+                    <property name="icon-name">tab-new-symbolic</property>
+                  </object>
+                </child>
               </object>
             </child>
-            <child type="end">
-              <object class="GtkButton">
-                <property name="action-name">win.window-new</property>
-                <property name="icon-name">window-new-symbolic</property>
+            <child>
+              <object class="AdwTabBar" id="tab_bar">
+                <property name="visible" bind-source="AdwTabViewDemoWindow" bind-property="narrow" 
bind-flags="invert-boolean"/>
+                <property name="view">view</property>
+                <signal name="extra-drag-drop" handler="extra_drag_drop_cb" swapped="true"/>
+              </object>
+            </child>
+            <child>
+              <object class="AdwTabView" id="view">
+                <property name="vexpand">True</property>
+                <property name="menu-model">tab_menu</property>
+                <signal name="page-detached" handler="page_detached_cb" swapped="true"/>
+                <signal name="setup-menu" handler="setup_menu_cb" swapped="true"/>
+                <signal name="create-window" handler="create_window_cb" swapped="true"/>
+                <signal name="indicator-activated" handler="indicator_activated_cb" swapped="true"/>
+                <style>
+                  <class name="view"/>
+                </style>
               </object>
             </child>
           </object>
-        </child>
-        <child>
-          <object class="AdwTabBar" id="tab_bar">
-            <property name="view">view</property>
-            <signal name="extra-drag-drop" handler="extra_drag_drop_cb" swapped="true"/>
-          </object>
-        </child>
-        <child>
-          <object class="AdwTabView" id="view">
-            <property name="vexpand">True</property>
-            <property name="menu-model">tab_menu</property>
-            <signal name="page-detached" handler="page_detached_cb" swapped="true"/>
-            <signal name="setup-menu" handler="setup_menu_cb" swapped="true"/>
-            <signal name="create-window" handler="create_window_cb" swapped="true"/>
-            <signal name="indicator-activated" handler="indicator_activated_cb" swapped="true"/>
-          </object>
-        </child>
+        </property>
       </object>
     </property>
   </template>


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