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phosh-arch/gtk3-mobile/Add-GtkHdyViewSwitcherTitle.patch

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2024-08-13 17:17:11 +02:00
From: Adrien Plazas <kekun.plazas@laposte.net>
Date: Thu, 10 Sep 2020 14:26:18 +0200
Subject: Add GtkHdyViewSwitcherTitle
This is imported from HdyViewSwitcherTitle from libhandy 1.0.0.
---
gtk/hdy-view-switcher-title-private.h | 46 +++
gtk/hdy-view-switcher-title.c | 606 ++++++++++++++++++++++++++++++++++
gtk/meson.build | 2 +
gtk/ui/hdy-view-switcher-title.ui | 52 +++
4 files changed, 706 insertions(+)
create mode 100644 gtk/hdy-view-switcher-title-private.h
create mode 100644 gtk/hdy-view-switcher-title.c
create mode 100644 gtk/ui/hdy-view-switcher-title.ui
diff --git a/gtk/hdy-view-switcher-title-private.h b/gtk/hdy-view-switcher-title-private.h
new file mode 100644
index 0000000..6bc8fdf
--- /dev/null
+++ b/gtk/hdy-view-switcher-title-private.h
@@ -0,0 +1,46 @@
+/*
+ * Copyright (C) 2019 Zander Brown <zbrown@gnome.org>
+ * Copyright (C) 2019 Purism SPC
+ *
+ * SPDX-License-Identifier: LGPL-2.1+
+ */
+
+#pragma once
+
+#if !defined (__GTK_H_INSIDE__) && !defined (GTK_COMPILATION)
+#error "Only <gtk/gtk.h> can be included directly."
+#endif
+
+#include "hdy-view-switcher-private.h"
+
+G_BEGIN_DECLS
+
+#define GTK_TYPE_HDY_VIEW_SWITCHER_TITLE (gtk_hdy_view_switcher_title_get_type())
+
+G_DECLARE_FINAL_TYPE (GtkHdyViewSwitcherTitle, gtk_hdy_view_switcher_title, GTK, HDY_VIEW_SWITCHER_TITLE, GtkBin)
+
+GtkHdyViewSwitcherTitle *gtk_hdy_view_switcher_title_new (void);
+
+GtkHdyViewSwitcherPolicy gtk_hdy_view_switcher_title_get_policy (GtkHdyViewSwitcherTitle *self);
+void gtk_hdy_view_switcher_title_set_policy (GtkHdyViewSwitcherTitle *self,
+ GtkHdyViewSwitcherPolicy policy);
+
+GtkStack *gtk_hdy_view_switcher_title_get_stack (GtkHdyViewSwitcherTitle *self);
+void gtk_hdy_view_switcher_title_set_stack (GtkHdyViewSwitcherTitle *self,
+ GtkStack *stack);
+
+const gchar *gtk_hdy_view_switcher_title_get_title (GtkHdyViewSwitcherTitle *self);
+void gtk_hdy_view_switcher_title_set_title (GtkHdyViewSwitcherTitle *self,
+ const gchar *title);
+
+const gchar *gtk_hdy_view_switcher_title_get_subtitle (GtkHdyViewSwitcherTitle *self);
+void gtk_hdy_view_switcher_title_set_subtitle (GtkHdyViewSwitcherTitle *self,
+ const gchar *subtitle);
+
+gboolean gtk_hdy_view_switcher_title_get_view_switcher_enabled (GtkHdyViewSwitcherTitle *self);
+void gtk_hdy_view_switcher_title_set_view_switcher_enabled (GtkHdyViewSwitcherTitle *self,
+ gboolean enabled);
+
+gboolean gtk_hdy_view_switcher_title_get_title_visible (GtkHdyViewSwitcherTitle *self);
+
+G_END_DECLS
diff --git a/gtk/hdy-view-switcher-title.c b/gtk/hdy-view-switcher-title.c
new file mode 100644
index 0000000..4cb815b
--- /dev/null
+++ b/gtk/hdy-view-switcher-title.c
@@ -0,0 +1,606 @@
+/*
+ * Copyright (C) 2019 Zander Brown <zbrown@gnome.org>
+ * Copyright (C) 2019 Purism SPC
+ *
+ * SPDX-License-Identifier: LGPL-2.1+
+ */
+
+#include "config.h"
+#include <glib/gi18n-lib.h>
+
+#include "gtkbox.h"
+#include "gtklabel.h"
+#include "gtkprivatetypebuiltins.h"
+#include "hdy-view-switcher-title-private.h"
+#include "hdy-squeezer-private.h"
+
+/**
+ * SECTION:gtk-hdy-view-switcher-title
+ * @short_description: A view switcher title.
+ * @title: GtkHdyViewSwitcherTitle
+ * @See_also: #GtkHdyHeaderBar, #GtkHdyViewSwitcher, #GtkHdyViewSwitcherBar
+ *
+ * A widget letting you switch between multiple views offered by a #GtkStack,
+ * via an #GtkHdyViewSwitcher. It is designed to be used as the title widget of a
+ * #GtkHdyHeaderBar, and will display the window's title when the window is too
+ * narrow to fit the view switcher e.g. on mobile phones, or if there are less
+ * than two views.
+ *
+ * You can conveniently bind the #GtkHdyViewSwitcherBar:reveal property to
+ * #GtkHdyViewSwitcherTitle:title-visible to automatically reveal the view switcher
+ * bar when the title label is displayed in place of the view switcher.
+ *
+ * An example of the UI definition for a common use case:
+ * |[
+ * <object class="GtkWindow"/>
+ * <child type="titlebar">
+ * <object class="GtkHdyHeaderBar">
+ * <property name="centering-policy">strict</property>
+ * <child type="title">
+ * <object class="GtkHdyViewSwitcherTitle"
+ * id="view_switcher_title">
+ * <property name="stack">stack</property>
+ * </object>
+ * </child>
+ * </object>
+ * </child>
+ * <child>
+ * <object class="GtkBox">
+ * <child>
+ * <object class="GtkStack" id="stack"/>
+ * </child>
+ * <child>
+ * <object class="GtkHdyViewSwitcherBar">
+ * <property name="stack">stack</property>
+ * <property name="reveal"
+ * bind-source="view_switcher_title"
+ * bind-property="title-visible"
+ * bind-flags="sync-create"/>
+ * </object>
+ * </child>
+ * </object>
+ * </child>
+ * </object>
+ * ]|
+ *
+ * # CSS nodes
+ *
+ * #GtkHdyViewSwitcherTitle has a single CSS node with name viewswitchertitle.
+ *
+ * Since: 1.0
+ */
+
+enum {
+ PROP_0,
+ PROP_POLICY,
+ PROP_STACK,
+ PROP_TITLE,
+ PROP_SUBTITLE,
+ PROP_VIEW_SWITCHER_ENABLED,
+ PROP_TITLE_VISIBLE,
+ LAST_PROP,
+};
+
+struct _GtkHdyViewSwitcherTitle
+{
+ GtkBin parent_instance;
+
+ GtkHdySqueezer *squeezer;
+ GtkLabel *subtitle_label;
+ GtkBox *title_box;
+ GtkLabel *title_label;
+ GtkHdyViewSwitcher *view_switcher;
+
+ gboolean view_switcher_enabled;
+};
+
+static GParamSpec *props[LAST_PROP];
+
+G_DEFINE_TYPE (GtkHdyViewSwitcherTitle, gtk_hdy_view_switcher_title, GTK_TYPE_BIN)
+
+static void
+update_subtitle_label (GtkHdyViewSwitcherTitle *self)
+{
+ const gchar *subtitle = gtk_label_get_label (self->subtitle_label);
+
+ gtk_widget_set_visible (GTK_WIDGET (self->subtitle_label), subtitle && subtitle[0]);
+
+ gtk_widget_queue_resize (GTK_WIDGET (self));
+}
+
+static void
+count_children_cb (GtkWidget *widget,
+ gint *count)
+{
+ (*count)++;
+}
+
+static void
+update_view_switcher_visible (GtkHdyViewSwitcherTitle *self)
+{
+ GtkStack *stack = gtk_hdy_view_switcher_get_stack (self->view_switcher);
+ gint count = 0;
+
+ if (self->view_switcher_enabled && stack)
+ gtk_container_foreach (GTK_CONTAINER (stack), (GtkCallback) count_children_cb, &count);
+
+ gtk_hdy_squeezer_set_child_enabled (self->squeezer, GTK_WIDGET (self->view_switcher), count > 1);
+}
+
+static void
+notify_squeezer_visible_child_cb (GObject *self)
+{
+ g_object_notify_by_pspec (self, props[PROP_TITLE_VISIBLE]);
+}
+
+static void
+gtk_hdy_view_switcher_title_get_property (GObject *object,
+ guint prop_id,
+ GValue *value,
+ GParamSpec *pspec)
+{
+ GtkHdyViewSwitcherTitle *self = GTK_HDY_VIEW_SWITCHER_TITLE (object);
+
+ switch (prop_id) {
+ case PROP_POLICY:
+ g_value_set_enum (value, gtk_hdy_view_switcher_title_get_policy (self));
+ break;
+ case PROP_STACK:
+ g_value_set_object (value, gtk_hdy_view_switcher_title_get_stack (self));
+ break;
+ case PROP_TITLE:
+ g_value_set_string (value, gtk_hdy_view_switcher_title_get_title (self));
+ break;
+ case PROP_SUBTITLE:
+ g_value_set_string (value, gtk_hdy_view_switcher_title_get_subtitle (self));
+ break;
+ case PROP_VIEW_SWITCHER_ENABLED:
+ g_value_set_boolean (value, gtk_hdy_view_switcher_title_get_view_switcher_enabled (self));
+ break;
+ case PROP_TITLE_VISIBLE:
+ g_value_set_boolean (value, gtk_hdy_view_switcher_title_get_title_visible (self));
+ break;
+ default:
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+ break;
+ }
+}
+
+static void
+gtk_hdy_view_switcher_title_set_property (GObject *object,
+ guint prop_id,
+ const GValue *value,
+ GParamSpec *pspec)
+{
+ GtkHdyViewSwitcherTitle *self = GTK_HDY_VIEW_SWITCHER_TITLE (object);
+
+ switch (prop_id) {
+ case PROP_POLICY:
+ gtk_hdy_view_switcher_title_set_policy (self, g_value_get_enum (value));
+ break;
+ case PROP_STACK:
+ gtk_hdy_view_switcher_title_set_stack (self, g_value_get_object (value));
+ break;
+ case PROP_TITLE:
+ gtk_hdy_view_switcher_title_set_title (self, g_value_get_string (value));
+ break;
+ case PROP_SUBTITLE:
+ gtk_hdy_view_switcher_title_set_subtitle (self, g_value_get_string (value));
+ break;
+ case PROP_VIEW_SWITCHER_ENABLED:
+ gtk_hdy_view_switcher_title_set_view_switcher_enabled (self, g_value_get_boolean (value));
+ break;
+ default:
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+ break;
+ }
+}
+
+static void
+gtk_hdy_view_switcher_title_dispose (GObject *object) {
+ GtkHdyViewSwitcherTitle *self = (GtkHdyViewSwitcherTitle *)object;
+
+ if (self->view_switcher) {
+ GtkStack *stack = gtk_hdy_view_switcher_get_stack (self->view_switcher);
+
+ if (stack)
+ g_signal_handlers_disconnect_by_func (stack, G_CALLBACK (update_view_switcher_visible), self);
+ }
+
+ G_OBJECT_CLASS (gtk_hdy_view_switcher_title_parent_class)->dispose (object);
+}
+
+static void
+gtk_hdy_view_switcher_title_class_init (GtkHdyViewSwitcherTitleClass *klass)
+{
+ GObjectClass *object_class = G_OBJECT_CLASS (klass);
+ GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (klass);
+
+ object_class->dispose = gtk_hdy_view_switcher_title_dispose;
+ object_class->get_property = gtk_hdy_view_switcher_title_get_property;
+ object_class->set_property = gtk_hdy_view_switcher_title_set_property;
+
+ /**
+ * GtkHdyViewSwitcherTitle:policy:
+ *
+ * The #GtkHdyViewSwitcherPolicy the #GtkHdyViewSwitcher should use to determine
+ * which mode to use.
+ *
+ * Since: 1.0
+ */
+ props[PROP_POLICY] =
+ g_param_spec_enum ("policy",
+ _("Policy"),
+ _("The policy to determine the mode to use"),
+ GTK_TYPE_HDY_VIEW_SWITCHER_POLICY, GTK_HDY_VIEW_SWITCHER_POLICY_AUTO,
+ G_PARAM_EXPLICIT_NOTIFY | G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS);
+
+ /**
+ * GtkHdyViewSwitcherTitle:stack:
+ *
+ * The #GtkStack the #GtkHdyViewSwitcher controls.
+ *
+ * Since: 1.0
+ */
+ props[PROP_STACK] =
+ g_param_spec_object ("stack",
+ _("Stack"),
+ _("Stack"),
+ GTK_TYPE_STACK,
+ G_PARAM_EXPLICIT_NOTIFY | G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS);
+
+ /**
+ * GtkHdyViewSwitcherTitle:title:
+ *
+ * The title of the #GtkHdyViewSwitcher.
+ *
+ * Since: 1.0
+ */
+ props[PROP_TITLE] =
+ g_param_spec_string ("title",
+ _("Title"),
+ _("The title to display"),
+ NULL,
+ G_PARAM_EXPLICIT_NOTIFY | G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS);
+
+ /**
+ * GtkHdyViewSwitcherTitle:subtitle:
+ *
+ * The subtitle of the #GtkHdyViewSwitcher.
+ *
+ * Since: 1.0
+ */
+ props[PROP_SUBTITLE] =
+ g_param_spec_string ("subtitle",
+ _("Subtitle"),
+ _("The subtitle to display"),
+ NULL,
+ G_PARAM_EXPLICIT_NOTIFY | G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS);
+
+ /**
+ * GtkHdyViewSwitcherTitle:view-switcher-enabled:
+ *
+ * Whether the bar should be revealed or hidden.
+ *
+ * Since: 1.0
+ */
+ props[PROP_VIEW_SWITCHER_ENABLED] =
+ g_param_spec_boolean ("view-switcher-enabled",
+ _("View switcher enabled"),
+ _("Whether the view switcher is enabled"),
+ TRUE,
+ G_PARAM_EXPLICIT_NOTIFY | G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS);
+
+ /**
+ * GtkHdyViewSwitcherTitle:title-visible:
+ *
+ * Whether the bar should be revealed or hidden.
+ *
+ * Since: 1.0
+ */
+ props[PROP_TITLE_VISIBLE] =
+ g_param_spec_boolean ("title-visible",
+ _("Title visible"),
+ _("Whether the title label is visible"),
+ TRUE,
+ G_PARAM_EXPLICIT_NOTIFY | G_PARAM_READABLE | G_PARAM_STATIC_STRINGS);
+
+ g_object_class_install_properties (object_class, LAST_PROP, props);
+
+ gtk_widget_class_set_css_name (widget_class, "viewswitchertitle");
+
+ gtk_widget_class_set_template_from_resource (widget_class,
+ "/org/gtk/libgtk/ui/hdy-view-switcher-title.ui");
+ gtk_widget_class_bind_template_child (widget_class, GtkHdyViewSwitcherTitle, squeezer);
+ gtk_widget_class_bind_template_child (widget_class, GtkHdyViewSwitcherTitle, subtitle_label);
+ gtk_widget_class_bind_template_child (widget_class, GtkHdyViewSwitcherTitle, title_box);
+ gtk_widget_class_bind_template_child (widget_class, GtkHdyViewSwitcherTitle, title_label);
+ gtk_widget_class_bind_template_child (widget_class, GtkHdyViewSwitcherTitle, view_switcher);
+ gtk_widget_class_bind_template_callback (widget_class, notify_squeezer_visible_child_cb);
+}
+
+static void
+gtk_hdy_view_switcher_title_init (GtkHdyViewSwitcherTitle *self)
+{
+ /* This must be initialized before the template so the embedded view switcher
+ * can pick up the correct default value.
+ */
+ self->view_switcher_enabled = TRUE;
+
+ g_type_ensure (GTK_TYPE_HDY_SQUEEZER);
+ g_type_ensure (GTK_TYPE_HDY_VIEW_SWITCHER);
+
+ gtk_widget_init_template (GTK_WIDGET (self));
+
+ update_subtitle_label (self);
+ update_view_switcher_visible (self);
+}
+
+/**
+ * gtk_hdy_view_switcher_title_new:
+ *
+ * Creates a new #GtkHdyViewSwitcherTitle widget.
+ *
+ * Returns: a new #GtkHdyViewSwitcherTitle
+ *
+ * Since: 1.0
+ */
+GtkHdyViewSwitcherTitle *
+gtk_hdy_view_switcher_title_new (void)
+{
+ return g_object_new (GTK_TYPE_HDY_VIEW_SWITCHER_TITLE, NULL);
+}
+
+/**
+ * gtk_hdy_view_switcher_title_get_policy:
+ * @self: a #GtkHdyViewSwitcherTitle
+ *
+ * Gets the policy of @self.
+ *
+ * Returns: the policy of @self
+ *
+ * Since: 1.0
+ */
+GtkHdyViewSwitcherPolicy
+gtk_hdy_view_switcher_title_get_policy (GtkHdyViewSwitcherTitle *self)
+{
+ g_return_val_if_fail (GTK_IS_HDY_VIEW_SWITCHER_TITLE (self), GTK_HDY_VIEW_SWITCHER_POLICY_NARROW);
+
+ return gtk_hdy_view_switcher_get_policy (self->view_switcher);
+}
+
+/**
+ * gtk_hdy_view_switcher_title_set_policy:
+ * @self: a #GtkHdyViewSwitcherTitle
+ * @policy: the new policy
+ *
+ * Sets the policy of @self.
+ *
+ * Since: 1.0
+ */
+void
+gtk_hdy_view_switcher_title_set_policy (GtkHdyViewSwitcherTitle *self,
+ GtkHdyViewSwitcherPolicy policy)
+{
+ g_return_if_fail (GTK_IS_HDY_VIEW_SWITCHER_TITLE (self));
+
+ if (gtk_hdy_view_switcher_get_policy (self->view_switcher) == policy)
+ return;
+
+ gtk_hdy_view_switcher_set_policy (self->view_switcher, policy);
+
+ g_object_notify_by_pspec (G_OBJECT (self), props[PROP_POLICY]);
+
+ gtk_widget_queue_resize (GTK_WIDGET (self));
+}
+
+/**
+ * gtk_hdy_view_switcher_title_get_stack:
+ * @self: a #GtkHdyViewSwitcherTitle
+ *
+ * Get the #GtkStack being controlled by the #GtkHdyViewSwitcher.
+ *
+ * Returns: (nullable) (transfer none): the #GtkStack, or %NULL if none has been set
+ *
+ * Since: 1.0
+ */
+GtkStack *
+gtk_hdy_view_switcher_title_get_stack (GtkHdyViewSwitcherTitle *self)
+{
+ g_return_val_if_fail (GTK_IS_HDY_VIEW_SWITCHER_TITLE (self), NULL);
+
+ return gtk_hdy_view_switcher_get_stack (self->view_switcher);
+}
+
+/**
+ * gtk_hdy_view_switcher_title_set_stack:
+ * @self: a #GtkHdyViewSwitcherTitle
+ * @stack: (nullable): a #GtkStack
+ *
+ * Sets the #GtkStack to control.
+ *
+ * Since: 1.0
+ */
+void
+gtk_hdy_view_switcher_title_set_stack (GtkHdyViewSwitcherTitle *self,
+ GtkStack *stack)
+{
+ GtkStack *previous_stack;
+
+ g_return_if_fail (GTK_IS_HDY_VIEW_SWITCHER_TITLE (self));
+ g_return_if_fail (stack == NULL || GTK_IS_STACK (stack));
+
+ previous_stack = gtk_hdy_view_switcher_get_stack (self->view_switcher);
+
+ if (previous_stack == stack)
+ return;
+
+ if (previous_stack)
+ g_signal_handlers_disconnect_by_func (previous_stack, G_CALLBACK (update_view_switcher_visible), self);
+
+ gtk_hdy_view_switcher_set_stack (self->view_switcher, stack);
+
+ if (stack) {
+ g_signal_connect_swapped (stack, "add", G_CALLBACK (update_view_switcher_visible), self);
+ g_signal_connect_swapped (stack, "remove", G_CALLBACK (update_view_switcher_visible), self);
+ }
+
+ update_view_switcher_visible (self);
+
+ g_object_notify_by_pspec (G_OBJECT (self), props[PROP_STACK]);
+}
+
+/**
+ * gtk_hdy_view_switcher_title_get_title:
+ * @self: a #GtkHdyViewSwitcherTitle
+ *
+ * Gets the title of @self. See gtk_hdy_view_switcher_title_set_title().
+ *
+ * Returns: (transfer none) (nullable): the title of @self, or %NULL.
+ *
+ * Since: 1.0
+ */
+const gchar *
+gtk_hdy_view_switcher_title_get_title (GtkHdyViewSwitcherTitle *self)
+{
+ g_return_val_if_fail (GTK_IS_HDY_VIEW_SWITCHER_TITLE (self), NULL);
+
+ return gtk_label_get_label (self->title_label);
+}
+
+/**
+ * gtk_hdy_view_switcher_title_set_title:
+ * @self: a #GtkHdyViewSwitcherTitle
+ * @title: (nullable): a title, or %NULL
+ *
+ * Sets the title of @self. The title should give a user additional details. A
+ * good title should not include the application name.
+ *
+ * Since: 1.0
+ */
+void
+gtk_hdy_view_switcher_title_set_title (GtkHdyViewSwitcherTitle *self,
+ const gchar *title)
+{
+ g_return_if_fail (GTK_IS_HDY_VIEW_SWITCHER_TITLE (self));
+
+ if (g_strcmp0 (gtk_label_get_label (self->title_label), title) == 0)
+ return;
+
+ gtk_label_set_label (self->title_label, title);
+ gtk_widget_set_visible (GTK_WIDGET (self->title_label), title && title[0]);
+
+ g_object_notify_by_pspec (G_OBJECT (self), props[PROP_TITLE]);
+}
+
+/**
+ * gtk_hdy_view_switcher_title_get_subtitle:
+ * @self: a #GtkHdyViewSwitcherTitle
+ *
+ * Gets the subtitle of @self. See gtk_hdy_view_switcher_title_set_subtitle().
+ *
+ * Returns: (transfer none) (nullable): the subtitle of @self, or %NULL.
+ *
+ * Since: 1.0
+ */
+const gchar *
+gtk_hdy_view_switcher_title_get_subtitle (GtkHdyViewSwitcherTitle *self)
+{
+ g_return_val_if_fail (GTK_IS_HDY_VIEW_SWITCHER_TITLE (self), NULL);
+
+ return gtk_label_get_label (self->subtitle_label);
+}
+
+/**
+ * gtk_hdy_view_switcher_title_set_subtitle:
+ * @self: a #GtkHdyViewSwitcherTitle
+ * @subtitle: (nullable): a subtitle, or %NULL
+ *
+ * Sets the subtitle of @self. The subtitle should give a user additional
+ * details.
+ *
+ * Since: 1.0
+ */
+void
+gtk_hdy_view_switcher_title_set_subtitle (GtkHdyViewSwitcherTitle *self,
+ const gchar *subtitle)
+{
+ g_return_if_fail (GTK_IS_HDY_VIEW_SWITCHER_TITLE (self));
+
+ if (g_strcmp0 (gtk_label_get_label (self->subtitle_label), subtitle) == 0)
+ return;
+
+ gtk_label_set_label (self->subtitle_label, subtitle);
+ update_subtitle_label (self);
+
+ g_object_notify_by_pspec (G_OBJECT (self), props[PROP_SUBTITLE]);
+}
+
+/**
+ * gtk_hdy_view_switcher_title_get_view_switcher_enabled:
+ * @self: a #GtkHdyViewSwitcherTitle
+ *
+ * Gets whether @self's view switcher is enabled.
+ *
+ * See gtk_hdy_view_switcher_title_set_view_switcher_enabled().
+ *
+ * Returns: %TRUE if the view switcher is enabled, %FALSE otherwise.
+ *
+ * Since: 1.0
+ */
+gboolean
+gtk_hdy_view_switcher_title_get_view_switcher_enabled (GtkHdyViewSwitcherTitle *self)
+{
+ g_return_val_if_fail (GTK_IS_HDY_VIEW_SWITCHER_TITLE (self), FALSE);
+
+ return self->view_switcher_enabled;
+}
+
+/**
+ * gtk_hdy_view_switcher_title_set_view_switcher_enabled:
+ * @self: a #GtkHdyViewSwitcherTitle
+ * @enabled: %TRUE to enable the view switcher, %FALSE to disable it
+ *
+ * Make @self enable or disable its view switcher. If it is disabled, the title
+ * will be displayed instead. This allows to programmatically and prematurely
+ * hide the view switcher of @self even if it fits in the available space.
+ *
+ * This can be used e.g. to ensure the view switcher is hidden below a certain
+ * window width, or any other constraint you find suitable.
+ *
+ * Since: 1.0
+ */
+void
+gtk_hdy_view_switcher_title_set_view_switcher_enabled (GtkHdyViewSwitcherTitle *self,
+ gboolean enabled)
+{
+ g_return_if_fail (GTK_IS_HDY_VIEW_SWITCHER_TITLE (self));
+
+ enabled = !!enabled;
+
+ if (self->view_switcher_enabled == enabled)
+ return;
+
+ self->view_switcher_enabled = enabled;
+ update_view_switcher_visible (self);
+
+ g_object_notify_by_pspec (G_OBJECT (self), props[PROP_VIEW_SWITCHER_ENABLED]);
+}
+
+/**
+ * gtk_hdy_view_switcher_title_get_title_visible:
+ * @self: a #GtkHdyViewSwitcherTitle
+ *
+ * Get whether the title label of @self is visible.
+ *
+ * Returns: %TRUE if the title label of @self is visible, %FALSE if not.
+ *
+ * Since: 1.0
+ */
+gboolean
+gtk_hdy_view_switcher_title_get_title_visible (GtkHdyViewSwitcherTitle *self)
+{
+ g_return_val_if_fail (GTK_IS_HDY_VIEW_SWITCHER_TITLE (self), FALSE);
+
+ return gtk_hdy_squeezer_get_visible_child (self->squeezer) == (GtkWidget *) self->title_box;
+}
diff --git a/gtk/meson.build b/gtk/meson.build
index 80ae1bf..4b3e871 100644
--- a/gtk/meson.build
+++ b/gtk/meson.build
@@ -389,6 +389,7 @@ gtk_sources = files(
'hdy-view-switcher-bar.c',
'hdy-view-switcher-button.c',
'hdy-view-switcher.c',
+ 'hdy-view-switcher-title.c',
'language-names.c',
'script-names.c',
)
@@ -403,6 +404,7 @@ gtk_private_type_headers = files(
'hdy-view-switcher-bar-private.h',
'hdy-view-switcher-button-private.h',
'hdy-view-switcher-private.h',
+ 'hdy-view-switcher-title-private.h',
)
gtk_gir_public_headers = files(
diff --git a/gtk/ui/hdy-view-switcher-title.ui b/gtk/ui/hdy-view-switcher-title.ui
new file mode 100644
index 0000000..3e16d1f
--- /dev/null
+++ b/gtk/ui/hdy-view-switcher-title.ui
@@ -0,0 +1,52 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<interface>
+ <requires lib="gtk+" version="3.0"/>
+ <template class="GtkHdyViewSwitcherTitle" parent="GtkBin">
+ <child>
+ <object class="GtkHdySqueezer" id="squeezer">
+ <property name="transition-type">crossfade</property>
+ <property name="visible">True</property>
+ <property name="no-show-all">True</property>
+ <signal name="notify::visible-child" handler="notify_squeezer_visible_child_cb" swapped="yes"/>
+ <child>
+ <object class="GtkHdyViewSwitcher" id="view_switcher">
+ <property name="visible">True</property>
+ </object>
+ </child>
+ <child>
+ <object class="GtkBox" id="title_box">
+ <property name="orientation">vertical</property>
+ <property name="halign">center</property>
+ <property name="valign">center</property>
+ <property name="visible">True</property>
+ <child>
+ <object class="GtkLabel" id="title_label">
+ <property name="ellipsize">end</property>
+ <property name="halign">center</property>
+ <property name="wrap">False</property>
+ <property name="single-line-mode">True</property>
+ <property name="visible">True</property>
+ <property name="width-chars">5</property>
+ <style>
+ <class name="title"/>
+ </style>
+ </object>
+ </child>
+ <child>
+ <object class="GtkLabel" id="subtitle_label">
+ <property name="ellipsize">end</property>
+ <property name="halign">center</property>
+ <property name="wrap">False</property>
+ <property name="single-line-mode">True</property>
+ <property name="visible">True</property>
+ <style>
+ <class name="subtitle"/>
+ </style>
+ </object>
+ </child>
+ </object>
+ </child>
+ </object>
+ </child>
+ </template>
+</interface>
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