[rhythmbox] add a task list display widget
- From: Jonathan Matthew <jmatthew src gnome org>
- To: commits-list gnome org
- Cc:
- Subject: [rhythmbox] add a task list display widget
- Date: Tue, 14 May 2013 12:41:30 +0000 (UTC)
commit 7c9444746cb01cc4a3be9b19cb832f7129ab4ff5
Author: Jonathan Matthew <jonathan d14n org>
Date: Tue May 14 21:55:33 2013 +1000
add a task list display widget
This displays tasks (things that implement the RBTaskProgress
interface) stored in a list model.
widgets/Makefile.am | 6 +-
widgets/rb-task-list-display.c | 243 ++++++++++++++++++++++++++++++++++++++++
widgets/rb-task-list-display.h | 66 +++++++++++
3 files changed, 313 insertions(+), 2 deletions(-)
---
diff --git a/widgets/Makefile.am b/widgets/Makefile.am
index 10456a3..b55076e 100644
--- a/widgets/Makefile.am
+++ b/widgets/Makefile.am
@@ -17,7 +17,8 @@ widgetinclude_HEADERS = \
rb-fading-image.h \
rb-object-property-editor.h \
rb-import-dialog.h \
- rb-button-bar.h
+ rb-button-bar.h \
+ rb-task-list-display.h
librbwidgets_la_SOURCES = \
$(widgetinclude_HEADERS) \
@@ -52,7 +53,8 @@ librbwidgets_la_SOURCES = \
rb-fading-image.c \
rb-object-property-editor.c \
rb-import-dialog.c \
- rb-button-bar.c
+ rb-button-bar.c \
+ rb-task-list-display.c
INCLUDES = \
-DGNOMELOCALEDIR=\""$(datadir)/locale"\" \
diff --git a/widgets/rb-task-list-display.c b/widgets/rb-task-list-display.c
new file mode 100644
index 0000000..3339901
--- /dev/null
+++ b/widgets/rb-task-list-display.c
@@ -0,0 +1,243 @@
+/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*-
+ *
+ * Copyright (C) 2013 Jonathan Matthew <jonathan d14n org>
+ *
+ * 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.
+ *
+ * The Rhythmbox authors hereby grant permission for non-GPL compatible
+ * GStreamer plugins to be used and distributed together with GStreamer
+ * and Rhythmbox. This permission is above and beyond the permissions granted
+ * by the GPL license by which Rhythmbox is covered. If you modify this code
+ * you may extend this exception to your version of the code, but you are not
+ * obligated to do so. If you do not wish to do so, delete this exception
+ * statement from your 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, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ */
+
+#include <config.h>
+
+#include <widgets/rb-task-list-display.h>
+#include <lib/rb-task-progress.h>
+#include <lib/rb-list-model.h>
+#include <lib/rb-util.h>
+
+#define TASK_REMOVE_DELAY 15
+
+static void rb_task_list_display_class_init (RBTaskListDisplayClass *klass);
+static void rb_task_list_display_init (RBTaskListDisplay *list);
+
+struct _RBTaskListDisplayPrivate
+{
+ RBListModel *model;
+ GArray *widgets;
+};
+
+G_DEFINE_TYPE (RBTaskListDisplay, rb_task_list_display, GTK_TYPE_GRID);
+
+enum {
+ PROP_0,
+ PROP_MODEL
+};
+
+static void
+stop_clicked_cb (GtkButton *button, RBTaskProgress *task)
+{
+ rb_task_progress_cancel (task);
+}
+
+static gboolean
+transform_outcome (GBinding *binding, const GValue *source, GValue *target, gpointer data)
+{
+ RBTaskOutcome outcome;
+ gboolean sensitive;
+
+ outcome = g_value_get_enum (source);
+ switch (outcome) {
+ case RB_TASK_OUTCOME_NONE:
+ sensitive = TRUE;
+ break;
+ case RB_TASK_OUTCOME_COMPLETE:
+ case RB_TASK_OUTCOME_CANCELLED:
+ sensitive = FALSE;
+ break;
+ default:
+ g_assert_not_reached ();
+ }
+
+ g_value_set_boolean (target, sensitive);
+ return TRUE;
+}
+
+static void
+task_list_changed_cb (RBListModel *model, int position, int removed, int added, RBTaskListDisplay *list)
+{
+ int i;
+
+ for (i = 0; i < removed; i++) {
+ GtkWidget *w;
+
+ w = g_array_index (list->priv->widgets, GtkWidget *, position);
+ gtk_container_remove (GTK_CONTAINER (list), w);
+ }
+
+ for (i = 0; i < added; i++) {
+ GtkWidget *tw, *w;
+ RBTaskProgress *task;
+ gboolean cancellable;
+
+ task = RB_TASK_PROGRESS (rb_list_model_get (model, position + i));
+ tw = gtk_grid_new ();
+ g_object_set (tw,
+ "column-spacing", 12,
+ "margin", 6,
+ NULL);
+
+ w = gtk_label_new (NULL);
+ g_object_bind_property (task, "task-label", w, "label", G_BINDING_SYNC_CREATE);
+ g_object_set (w, "hexpand", TRUE, "halign", GTK_ALIGN_START, NULL);
+ gtk_grid_attach (GTK_GRID (tw), w, 0, 0, 1, 1);
+
+ w = gtk_label_new (NULL);
+ gtk_style_context_add_class (gtk_widget_get_style_context (w), GTK_STYLE_CLASS_DIM_LABEL);
+ g_object_bind_property (task, "task-detail", w, "label", G_BINDING_SYNC_CREATE);
+ g_object_set (w, "hexpand", TRUE, "halign", GTK_ALIGN_START, NULL);
+ gtk_grid_attach (GTK_GRID (tw), w, 1, 0, 1, 1);
+
+ w = gtk_progress_bar_new ();
+ g_object_bind_property (task, "task-progress", w, "fraction", G_BINDING_SYNC_CREATE);
+ g_object_set (w, "hexpand", TRUE, NULL);
+ gtk_grid_attach (GTK_GRID (tw), w, 2, 0, 1, 1);
+
+ /* pause/resume button? */
+
+ g_object_get (task, "task-cancellable", &cancellable, NULL);
+ w = gtk_button_new ();
+ gtk_container_add (GTK_CONTAINER (w), gtk_image_new_from_icon_name ("process-stop-symbolic",
GTK_ICON_SIZE_MENU));
+ if (cancellable) {
+ g_object_bind_property_full (task, "task-outcome",
+ w, "sensitive",
+ G_BINDING_SYNC_CREATE,
+ transform_outcome,
+ NULL,
+ NULL,
+ NULL);
+ } else {
+ g_object_set (w, "sensitive", FALSE, NULL);
+ }
+ g_signal_connect_object (w, "clicked", G_CALLBACK (stop_clicked_cb), task, 0);
+ gtk_grid_attach (GTK_GRID (tw), w, 3, 0, 1, 1);
+
+ gtk_grid_insert_column (GTK_GRID (list), position + i);
+ gtk_grid_attach (GTK_GRID (list), tw, position + i, 0, 1, 1);
+ gtk_widget_show_all (tw);
+ g_array_insert_val (list->priv->widgets, position + i, tw);
+ }
+}
+
+static void
+impl_constructed (GObject *object)
+{
+ RBTaskListDisplay *list;
+
+ RB_CHAIN_GOBJECT_METHOD (rb_task_list_display_parent_class, constructed, object);
+
+ list = RB_TASK_LIST_DISPLAY (object);
+ g_signal_connect (list->priv->model, "items-changed", G_CALLBACK (task_list_changed_cb), list);
+ task_list_changed_cb (list->priv->model, 0, 0, rb_list_model_n_items (list->priv->model), list);
+}
+
+static void
+impl_get_property (GObject *object, guint prop_id, GValue *value, GParamSpec *pspec)
+{
+ RBTaskListDisplay *list = RB_TASK_LIST_DISPLAY (object);
+
+ switch (prop_id) {
+ case PROP_MODEL:
+ g_value_set_object (value, list->priv->model);
+ break;
+ default:
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+ break;
+ }
+}
+
+static void
+impl_set_property (GObject *object, guint prop_id, const GValue *value, GParamSpec *pspec)
+{
+ RBTaskListDisplay *list = RB_TASK_LIST_DISPLAY (object);
+
+ switch (prop_id) {
+ case PROP_MODEL:
+ list->priv->model = g_value_dup_object (value);
+ break;
+ default:
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+ break;
+ }
+}
+
+static void
+impl_dispose (GObject *object)
+{
+ RBTaskListDisplay *list = RB_TASK_LIST_DISPLAY (object);
+
+ if (list->priv->model != NULL) {
+ g_signal_handlers_disconnect_by_func (list->priv->model, task_list_changed_cb, list);
+ g_clear_object (&list->priv->model);
+ }
+ if (list->priv->widgets != NULL) {
+ g_array_free (list->priv->widgets, TRUE);
+ list->priv->widgets = NULL;
+ }
+ G_OBJECT_CLASS (rb_task_list_display_parent_class)->dispose (object);
+}
+
+static void
+rb_task_list_display_init (RBTaskListDisplay *list)
+{
+ list->priv = G_TYPE_INSTANCE_GET_PRIVATE (list, RB_TYPE_TASK_LIST_DISPLAY, RBTaskListDisplayPrivate);
+
+ list->priv->widgets = g_array_new (FALSE, FALSE, sizeof (GtkWidget *));
+}
+
+static void
+rb_task_list_display_class_init (RBTaskListDisplayClass *klass)
+{
+ GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
+
+ g_type_class_add_private (klass, sizeof (RBTaskListDisplayPrivate));
+
+ gobject_class->constructed = impl_constructed;
+ gobject_class->dispose = impl_dispose;
+ gobject_class->set_property = impl_set_property;
+ gobject_class->get_property = impl_get_property;
+
+ g_object_class_install_property (gobject_class,
+ PROP_MODEL,
+ g_param_spec_object ("model",
+ "model",
+ "model",
+ RB_TYPE_LIST_MODEL,
+ G_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY));
+}
+
+GtkWidget *
+rb_task_list_display_new (RBListModel *model)
+{
+ return GTK_WIDGET (g_object_new (RB_TYPE_TASK_LIST_DISPLAY,
+ "model", model,
+ "row-spacing", 12,
+ NULL));
+}
diff --git a/widgets/rb-task-list-display.h b/widgets/rb-task-list-display.h
new file mode 100644
index 0000000..579906c
--- /dev/null
+++ b/widgets/rb-task-list-display.h
@@ -0,0 +1,66 @@
+/*
+ * Copyright (C) 2013 Jonathan Matthew <jonathan d14n org>
+ *
+ * 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.
+ *
+ * The Rhythmbox authors hereby grant permission for non-GPL compatible
+ * GStreamer plugins to be used and distributed together with GStreamer
+ * and Rhythmbox. This permission is above and beyond the permissions granted
+ * by the GPL license by which Rhythmbox is covered. If you modify this code
+ * you may extend this exception to your version of the code, but you are not
+ * obligated to do so. If you do not wish to do so, delete this exception
+ * statement from your 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, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ */
+
+#ifndef RB_TASK_LIST_DISPLAY_H
+#define RB_TASK_LIST_DISPLAY_H
+
+#include <gtk/gtk.h>
+
+#include <lib/rb-list-model.h>
+
+G_BEGIN_DECLS
+
+#define RB_TYPE_TASK_LIST_DISPLAY (rb_task_list_display_get_type ())
+#define RB_TASK_LIST_DISPLAY(o) (G_TYPE_CHECK_INSTANCE_CAST ((o), RB_TYPE_TASK_LIST_DISPLAY,
RBTaskListDisplay))
+#define RB_TASK_LIST_DISPLAY_CLASS(k) (G_TYPE_CHECK_CLASS_CAST((k), RB_TYPE_TASK_LIST_DISPLAY,
RBTaskListDisplayClass))
+#define RB_IS_TASK_LIST_DISPLAY(o) (G_TYPE_CHECK_INSTANCE_TYPE ((o), RB_TYPE_TASK_LIST_DISPLAY))
+#define RB_IS_TASK_LIST_DISPLAY_CLASS(k) (G_TYPE_CHECK_CLASS_TYPE ((k), RB_TYPE_TASK_LIST_DISPLAY))
+#define RB_TASK_LIST_DISPLAY_GET_CLASS(o) (G_TYPE_INSTANCE_GET_CLASS ((o), RB_TYPE_TASK_LIST_DISPLAY,
RBTaskListDisplayClass))
+
+typedef struct _RBTaskListDisplay RBTaskListDisplay;
+typedef struct _RBTaskListDisplayClass RBTaskListDisplayClass;
+typedef struct _RBTaskListDisplayPrivate RBTaskListDisplayPrivate;
+
+struct _RBTaskListDisplay
+{
+ GtkGrid parent;
+
+ RBTaskListDisplayPrivate *priv;
+};
+
+struct _RBTaskListDisplayClass
+{
+ GtkGridClass parent;
+};
+
+GType rb_task_list_display_get_type (void);
+
+GtkWidget * rb_task_list_display_new (RBListModel *model);
+
+G_END_DECLS
+
+#endif /* RB_TASK_LIST_DISPLAY_H */
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