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https://github.com/Rafostar/clapper.git
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a5db6f701d
Actions of video widget are being deprecated in favour of the same actions in the recently added AV base class
132 lines
4.1 KiB
C
132 lines
4.1 KiB
C
/* Clapper GTK Integration Library
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* Copyright (C) 2024 Rafał Dzięgiel <rafostar.github@gmail.com>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, see
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* <https://www.gnu.org/licenses/>.
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*/
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/**
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* ClapperGtkNextItemButton:
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*
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* A #GtkButton for selecting next queue item.
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*/
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#include <clapper/clapper.h>
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#include "clapper-gtk-next-item-button.h"
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#include "clapper-gtk-utils.h"
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#define GST_CAT_DEFAULT clapper_gtk_next_item_button_debug
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GST_DEBUG_CATEGORY_STATIC (GST_CAT_DEFAULT);
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struct _ClapperGtkNextItemButton
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{
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GtkButton parent;
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GBinding *n_items_binding;
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GBinding *current_index_binding;
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};
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#define parent_class clapper_gtk_next_item_button_parent_class
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G_DEFINE_TYPE (ClapperGtkNextItemButton, clapper_gtk_next_item_button, GTK_TYPE_BUTTON)
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static gboolean
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_transform_sensitive_func (GBinding *binding, const GValue *from_value,
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GValue *to_value, ClapperGtkNextItemButton *self)
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{
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ClapperQueue *queue = CLAPPER_QUEUE_CAST (g_binding_dup_source (binding));
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guint current_index;
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gboolean can_skip;
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if (G_UNLIKELY (queue == NULL))
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return FALSE;
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current_index = clapper_queue_get_current_index (queue);
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can_skip = (current_index != CLAPPER_QUEUE_INVALID_POSITION
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&& current_index < clapper_queue_get_n_items (queue) - 1);
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gst_object_unref (queue);
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g_value_set_boolean (to_value, can_skip);
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GST_DEBUG_OBJECT (self, "Set sensitive: %s", (can_skip) ? "yes" : "no");
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return TRUE;
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}
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/**
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* clapper_gtk_next_item_button_new:
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*
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* Creates a new #ClapperGtkNextItemButton to play next #ClapperMediaItem.
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*
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* Returns: a new next item button #GtkWidget.
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*/
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GtkWidget *
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clapper_gtk_next_item_button_new (void)
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{
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return g_object_new (CLAPPER_GTK_TYPE_NEXT_ITEM_BUTTON, NULL);
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}
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static void
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clapper_gtk_next_item_button_init (ClapperGtkNextItemButton *self)
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{
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gtk_widget_set_sensitive (GTK_WIDGET (self), FALSE);
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gtk_button_set_icon_name (GTK_BUTTON (self), "media-skip-forward-symbolic");
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gtk_actionable_set_action_name (GTK_ACTIONABLE (self), "av.next-item");
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}
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static void
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clapper_gtk_next_item_button_map (GtkWidget *widget)
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{
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ClapperGtkNextItemButton *self = CLAPPER_GTK_NEXT_ITEM_BUTTON_CAST (widget);
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ClapperPlayer *player;
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if ((player = clapper_gtk_get_player_from_ancestor (widget))) {
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ClapperQueue *queue = clapper_player_get_queue (player);
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self->n_items_binding = g_object_bind_property_full (queue, "n-items",
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self, "sensitive", G_BINDING_DEFAULT, // Since we sync below, no need to do it twice
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(GBindingTransformFunc) _transform_sensitive_func,
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NULL, self, NULL);
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self->current_index_binding = g_object_bind_property_full (queue, "current-index",
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self, "sensitive", G_BINDING_SYNC_CREATE,
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(GBindingTransformFunc) _transform_sensitive_func,
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NULL, self, NULL);
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}
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GTK_WIDGET_CLASS (parent_class)->map (widget);
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}
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static void
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clapper_gtk_next_item_button_unmap (GtkWidget *widget)
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{
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ClapperGtkNextItemButton *self = CLAPPER_GTK_NEXT_ITEM_BUTTON_CAST (widget);
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g_clear_pointer (&self->n_items_binding, g_binding_unbind);
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g_clear_pointer (&self->current_index_binding, g_binding_unbind);
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GTK_WIDGET_CLASS (parent_class)->unmap (widget);
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}
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static void
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clapper_gtk_next_item_button_class_init (ClapperGtkNextItemButtonClass *klass)
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{
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GtkWidgetClass *widget_class = (GtkWidgetClass *) klass;
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GST_DEBUG_CATEGORY_INIT (GST_CAT_DEFAULT, "clappergtknextitembutton", 0,
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"Clapper GTK Next Item Button");
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widget_class->map = clapper_gtk_next_item_button_map;
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widget_class->unmap = clapper_gtk_next_item_button_unmap;
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}
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