[libgd/wip/rishi/main-box: 10/11] Add GdMainBox
- From: Debarshi Ray <debarshir src gnome org>
- To: commits-list gnome org
- Cc:
- Subject: [libgd/wip/rishi/main-box: 10/11] Add GdMainBox
- Date: Fri, 6 Jan 2017 19:39:29 +0000 (UTC)
commit edf976515a76a645ccf56435c7a59133006e6487
Author: Debarshi Ray <debarshir gnome org>
Date: Wed Nov 23 14:43:21 2016 +0100
Add GdMainBox
This is a widget that can use different GdMainBoxGeneric
implementations to render multiple GdMainBoxItems, and makes it easy
to switch between them. eg., it can be a list or a grid of items.
https://bugzilla.gnome.org/show_bug.cgi?id=774914
libgd/gd-main-box.c | 586 +++++++++++++++++++++++++++++++++++++++++++++++++++
libgd/gd-main-box.h | 61 ++++++
2 files changed, 647 insertions(+), 0 deletions(-)
---
diff --git a/libgd/gd-main-box.c b/libgd/gd-main-box.c
new file mode 100644
index 0000000..669736e
--- /dev/null
+++ b/libgd/gd-main-box.c
@@ -0,0 +1,586 @@
+/*
+ * Copyright (c) 2016, 2017 Red Hat, Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser 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 Lesser General Public
+ * License for more details.
+ *
+ * You should have received a copy of the GNU Lesser 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
+ *
+ * Author: Debarshi Ray <debarshir gnome org>
+ *
+ */
+
+#include "gd-main-box.h"
+#include "gd-main-box-child.h"
+#include "gd-main-box-generic.h"
+#include "gd-main-icon-box.h"
+
+#define MAIN_BOX_TYPE_INITIAL -1
+
+typedef struct _GdMainBoxPrivate GdMainBoxPrivate;
+
+struct _GdMainBoxPrivate
+{
+ GListModel *model;
+ GdMainBoxType current_type;
+ GtkWidget *current_box;
+ gboolean selection_mode;
+ gboolean show_primary_text;
+ gboolean show_secondary_text;
+};
+
+enum
+{
+ PROP_BOX_TYPE = 1,
+ PROP_SELECTION_MODE,
+ PROP_SHOW_PRIMARY_TEXT,
+ PROP_SHOW_SECONDARY_TEXT,
+ PROP_MODEL,
+ NUM_PROPERTIES
+};
+
+enum
+{
+ ITEM_ACTIVATED,
+ SELECTION_CHANGED,
+ SELECTION_MODE_REQUEST,
+ NUM_SIGNALS
+};
+
+static GParamSpec *properties[NUM_PROPERTIES] = { NULL, };
+static guint signals[NUM_SIGNALS] = { 0, };
+
+G_DEFINE_TYPE_WITH_PRIVATE (GdMainBox, gd_main_box, GTK_TYPE_BIN)
+
+static void
+gd_main_box_activate_item_for_child (GdMainBox *self, GdMainBoxChild *child)
+{
+ GdMainBoxPrivate *priv;
+ GdMainBoxItem *item;
+
+ priv = gd_main_box_get_instance_private (self);
+
+ if (priv->model == NULL)
+ return;
+
+ item = gd_main_box_child_get_item (child);
+ if (item == NULL)
+ return;
+
+ g_signal_emit (self, signals[ITEM_ACTIVATED], 0, item);
+}
+
+static void
+gd_main_box_apply_selection_mode (GdMainBox *self)
+{
+ GdMainBoxPrivate *priv;
+
+ priv = gd_main_box_get_instance_private (self);
+
+ gd_main_box_generic_set_selection_mode (GD_MAIN_BOX_GENERIC (priv->current_box), priv->selection_mode);
+
+ if (!priv->selection_mode)
+ {
+ if (priv->model != NULL)
+ gd_main_box_unselect_all (self);
+ }
+}
+
+static void
+gd_main_box_item_activated_cb (GdMainBox *self, GdMainBoxChild *child)
+{
+ GdMainBoxPrivate *priv;
+
+ priv = gd_main_box_get_instance_private (self);
+
+ if (!priv->selection_mode)
+ gd_main_box_activate_item_for_child (self, child);
+}
+
+static void
+gd_main_box_model_items_changed_cb (GdMainBox *self, guint position, guint removed, guint added)
+{
+ if (removed == 0)
+ return;
+
+ g_signal_emit (self, signals[SELECTION_CHANGED], 0);
+}
+
+static void
+gd_main_box_selection_changed_cb (GdMainBox *self)
+{
+ g_signal_emit (self, signals[SELECTION_CHANGED], 0);
+}
+
+static void
+gd_main_box_selection_mode_request_cb (GdMainBox *self)
+{
+ g_signal_emit (self, signals[SELECTION_MODE_REQUEST], 0);
+}
+
+static void
+gd_main_box_rebuild (GdMainBox *self)
+{
+ GdMainBoxPrivate *priv;
+
+ priv = gd_main_box_get_instance_private (self);
+
+ if (priv->current_box != NULL)
+ gtk_widget_destroy (priv->current_box);
+
+ switch (priv->current_type)
+ {
+ case GD_MAIN_BOX_ICON:
+ priv->current_box = gd_main_icon_box_new ();
+ break;
+
+ case GD_MAIN_BOX_LIST:
+ default:
+ g_assert_not_reached ();
+ break;
+ }
+
+ gtk_widget_set_hexpand (priv->current_box, TRUE);
+ gtk_widget_set_valign (priv->current_box, GTK_ALIGN_START);
+ g_object_bind_property (self, "show-primary-text",
+ priv->current_box, "show-primary-text",
+ G_BINDING_SYNC_CREATE);
+ g_object_bind_property (self, "show-secondary-text",
+ priv->current_box, "show-secondary-text",
+ G_BINDING_SYNC_CREATE);
+ gtk_container_add (GTK_CONTAINER (self), priv->current_box);
+
+ g_signal_connect_swapped (priv->current_box,
+ "item-activated",
+ G_CALLBACK (gd_main_box_item_activated_cb),
+ self);
+ g_signal_connect_swapped (priv->current_box,
+ "selection-changed",
+ G_CALLBACK (gd_main_box_selection_changed_cb),
+ self);
+ g_signal_connect_swapped (priv->current_box,
+ "selection-mode-request",
+ G_CALLBACK (gd_main_box_selection_mode_request_cb),
+ self);
+
+ gd_main_box_generic_set_model (GD_MAIN_BOX_GENERIC (priv->current_box), priv->model);
+ gd_main_box_apply_selection_mode (self);
+
+ gtk_widget_show_all (GTK_WIDGET (self));
+}
+
+static gboolean
+gd_main_box_draw (GtkWidget *widget, cairo_t *cr)
+{
+ GtkStyleContext *context;
+ gint height;
+ gint width;
+
+ context = gtk_widget_get_style_context (widget);
+ height = gtk_widget_get_allocated_height (widget);
+ width = gtk_widget_get_allocated_width (widget);
+ gtk_render_background (context, cr, 0, 0, width, height);
+
+ return GTK_WIDGET_CLASS (gd_main_box_parent_class)->draw (widget, cr);
+}
+
+static void
+gd_main_box_dispose (GObject *obj)
+{
+ GdMainBox *self = GD_MAIN_BOX (obj);
+ GdMainBoxPrivate *priv;
+
+ priv = gd_main_box_get_instance_private (self);
+
+ g_clear_object (&priv->model);
+
+ G_OBJECT_CLASS (gd_main_box_parent_class)->dispose (obj);
+}
+
+static void
+gd_main_box_init (GdMainBox *self)
+{
+ GdMainBoxPrivate *priv;
+ GtkStyleContext *context;
+
+ priv = gd_main_box_get_instance_private (self);
+
+ context = gtk_widget_get_style_context (GTK_WIDGET (self));
+ gtk_style_context_add_class (context, "content-view");
+
+ /* so that we get constructed with the right view even at startup */
+ priv->current_type = MAIN_BOX_TYPE_INITIAL;
+}
+
+static void
+gd_main_box_get_property (GObject *object, guint property_id, GValue *value, GParamSpec *pspec)
+{
+ GdMainBox *self = GD_MAIN_BOX (object);
+
+ switch (property_id)
+ {
+ case PROP_BOX_TYPE:
+ g_value_set_int (value, gd_main_box_get_box_type (self));
+ break;
+ case PROP_SELECTION_MODE:
+ g_value_set_boolean (value, gd_main_box_get_selection_mode (self));
+ break;
+ case PROP_SHOW_PRIMARY_TEXT:
+ g_value_set_boolean (value, gd_main_box_get_show_primary_text (self));
+ break;
+ case PROP_SHOW_SECONDARY_TEXT:
+ g_value_set_boolean (value, gd_main_box_get_show_secondary_text (self));
+ break;
+ case PROP_MODEL:
+ g_value_set_object (value, gd_main_box_get_model (self));
+ break;
+ default:
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
+ break;
+ }
+}
+
+static void
+gd_main_box_set_property (GObject *object, guint property_id, const GValue *value, GParamSpec *pspec)
+{
+ GdMainBox *self = GD_MAIN_BOX (object);
+
+ switch (property_id)
+ {
+ case PROP_BOX_TYPE:
+ gd_main_box_set_box_type (self, g_value_get_int (value));
+ break;
+ case PROP_SELECTION_MODE:
+ gd_main_box_set_selection_mode (self, g_value_get_boolean (value));
+ break;
+ case PROP_SHOW_PRIMARY_TEXT:
+ gd_main_box_set_show_primary_text (self, g_value_get_boolean (value));
+ break;
+ case PROP_SHOW_SECONDARY_TEXT:
+ gd_main_box_set_show_secondary_text (self, g_value_get_boolean (value));
+ break;
+ case PROP_MODEL:
+ gd_main_box_set_model (self, g_value_get_object (value));
+ break;
+ default:
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
+ break;
+ }
+}
+
+static void
+gd_main_box_class_init (GdMainBoxClass *klass)
+{
+ GObjectClass *oclass = G_OBJECT_CLASS (klass);
+ GtkWidgetClass *wclass = GTK_WIDGET_CLASS (klass);
+
+ oclass->get_property = gd_main_box_get_property;
+ oclass->set_property = gd_main_box_set_property;
+ oclass->dispose = gd_main_box_dispose;
+ wclass->draw = gd_main_box_draw;
+
+ properties[PROP_BOX_TYPE] = g_param_spec_int ("box-type",
+ "Box type",
+ "Box type",
+ GD_MAIN_BOX_ICON,
+ GD_MAIN_BOX_LIST,
+ GD_MAIN_BOX_ICON,
+ G_PARAM_EXPLICIT_NOTIFY |
+ G_PARAM_READWRITE |
+ G_PARAM_CONSTRUCT |
+ G_PARAM_STATIC_STRINGS);
+
+ properties[PROP_MODEL] = g_param_spec_object ("model",
+ "Model",
+ "The GListModel",
+ G_TYPE_LIST_MODEL,
+ G_PARAM_EXPLICIT_NOTIFY |
+ G_PARAM_READWRITE |
+ G_PARAM_CONSTRUCT |
+ G_PARAM_STATIC_STRINGS);
+
+ properties[PROP_SELECTION_MODE] = g_param_spec_boolean ("selection-mode",
+ "Selection mode",
+ "Whether the view is in selection mode",
+ FALSE,
+ G_PARAM_EXPLICIT_NOTIFY |
+ G_PARAM_READWRITE |
+ G_PARAM_CONSTRUCT |
+ G_PARAM_STATIC_STRINGS);
+
+ properties[PROP_SHOW_PRIMARY_TEXT] = g_param_spec_boolean ("show-primary-text",
+ "Show primary text",
+ "Whether each GdMainBoxItem's primary-text is
going "
+ "to be shown",
+ FALSE,
+ G_PARAM_EXPLICIT_NOTIFY |
+ G_PARAM_READWRITE |
+ G_PARAM_CONSTRUCT |
+ G_PARAM_STATIC_STRINGS);
+
+ properties[PROP_SHOW_SECONDARY_TEXT] = g_param_spec_boolean ("show-secondary-text",
+ "Show secondary text",
+ "Whether each GdMainBoxItem's secondary-text
is "
+ "going to be shown",
+ FALSE,
+ G_PARAM_EXPLICIT_NOTIFY |
+ G_PARAM_READWRITE |
+ G_PARAM_CONSTRUCT |
+ G_PARAM_STATIC_STRINGS);
+
+ signals[ITEM_ACTIVATED] = g_signal_new ("item-activated",
+ GD_TYPE_MAIN_BOX,
+ G_SIGNAL_RUN_LAST,
+ 0,
+ NULL,
+ NULL,
+ g_cclosure_marshal_VOID__OBJECT,
+ G_TYPE_NONE,
+ 1,
+ GD_TYPE_MAIN_BOX_ITEM);
+
+ signals[SELECTION_CHANGED] = g_signal_new ("selection-changed",
+ GD_TYPE_MAIN_BOX,
+ G_SIGNAL_RUN_LAST,
+ 0,
+ NULL,
+ NULL,
+ g_cclosure_marshal_VOID__VOID,
+ G_TYPE_NONE,
+ 0);
+
+ signals[SELECTION_MODE_REQUEST] = g_signal_new ("selection-mode-request",
+ GD_TYPE_MAIN_BOX,
+ G_SIGNAL_RUN_LAST,
+ 0,
+ NULL,
+ NULL,
+ g_cclosure_marshal_VOID__VOID,
+ G_TYPE_NONE,
+ 0);
+
+ g_object_class_install_properties (oclass, NUM_PROPERTIES, properties);
+}
+
+GtkWidget *
+gd_main_box_new (GdMainBoxType type)
+{
+ return g_object_new (GD_TYPE_MAIN_BOX, "box-type", type, NULL);
+}
+
+GdMainBoxType
+gd_main_box_get_box_type (GdMainBox *self)
+{
+ GdMainBoxPrivate *priv;
+
+ priv = gd_main_box_get_instance_private (self);
+ return priv->current_type;
+}
+
+void
+gd_main_box_set_box_type (GdMainBox *self, GdMainBoxType type)
+{
+ GdMainBoxPrivate *priv;
+
+ priv = gd_main_box_get_instance_private (self);
+
+ if (type == priv->current_type)
+ return;
+
+ priv->current_type = type;
+ gd_main_box_rebuild (self);
+ g_object_notify_by_pspec (G_OBJECT (self), properties[PROP_BOX_TYPE]);
+}
+
+gboolean
+gd_main_box_get_selection_mode (GdMainBox *self)
+{
+ GdMainBoxPrivate *priv;
+
+ priv = gd_main_box_get_instance_private (self);
+ return priv->selection_mode;
+}
+
+gboolean
+gd_main_box_get_show_primary_text (GdMainBox *self)
+{
+ GdMainBoxPrivate *priv;
+
+ priv = gd_main_box_get_instance_private (self);
+ return priv->show_primary_text;
+}
+
+gboolean
+gd_main_box_get_show_secondary_text (GdMainBox *self)
+{
+ GdMainBoxPrivate *priv;
+
+ priv = gd_main_box_get_instance_private (self);
+ return priv->show_secondary_text;
+}
+
+void
+gd_main_box_set_selection_mode (GdMainBox *self, gboolean selection_mode)
+{
+ GdMainBoxPrivate *priv;
+
+ priv = gd_main_box_get_instance_private (self);
+
+ if (selection_mode == priv->selection_mode)
+ return;
+
+ priv->selection_mode = selection_mode;
+ gd_main_box_apply_selection_mode (self);
+ g_object_notify_by_pspec (G_OBJECT (self), properties[PROP_SELECTION_MODE]);
+}
+
+void
+gd_main_box_set_show_primary_text (GdMainBox *self, gboolean show_primary_text)
+{
+ GdMainBoxPrivate *priv;
+
+ priv = gd_main_box_get_instance_private (self);
+
+ if (show_primary_text == priv->show_primary_text)
+ return;
+
+ priv->show_primary_text = show_primary_text;
+ g_object_notify_by_pspec (G_OBJECT (self), properties[PROP_SHOW_PRIMARY_TEXT]);
+}
+
+void
+gd_main_box_set_show_secondary_text (GdMainBox *self, gboolean show_secondary_text)
+{
+ GdMainBoxPrivate *priv;
+
+ priv = gd_main_box_get_instance_private (self);
+
+ if (show_secondary_text == priv->show_secondary_text)
+ return;
+
+ priv->show_secondary_text = show_secondary_text;
+ g_object_notify_by_pspec (G_OBJECT (self), properties[PROP_SHOW_SECONDARY_TEXT]);
+}
+
+/**
+ * gd_main_box_get_model:
+ * @self:
+ *
+ * Returns: (transfer none):
+ */
+GListModel *
+gd_main_box_get_model (GdMainBox *self)
+{
+ GdMainBoxPrivate *priv;
+
+ priv = gd_main_box_get_instance_private (self);
+ return priv->model;
+}
+
+/**
+ * gd_main_box_set_model:
+ * @self:
+ * @model: (allow-none):
+ *
+ */
+void
+gd_main_box_set_model (GdMainBox *self, GListModel *model)
+{
+ GdMainBoxPrivate *priv;
+
+ priv = gd_main_box_get_instance_private (self);
+
+ if (model == priv->model)
+ return;
+
+ if (priv->model)
+ g_signal_handlers_disconnect_by_func (priv->model, gd_main_box_model_items_changed_cb, self);
+
+ g_clear_object (&priv->model);
+
+ if (model != NULL)
+ {
+ priv->model = g_object_ref (model);
+ g_signal_connect_object (priv->model,
+ "items-changed",
+ G_CALLBACK (gd_main_box_model_items_changed_cb),
+ self,
+ G_CONNECT_SWAPPED);
+ }
+
+ gd_main_box_generic_set_model (GD_MAIN_BOX_GENERIC (priv->current_box), priv->model);
+ g_object_notify_by_pspec (G_OBJECT (self), properties[PROP_MODEL]);
+}
+
+/**
+ * gd_main_box_get_generic_box:
+ * @self:
+ *
+ * Returns: (transfer none):
+ */
+GtkWidget *
+gd_main_box_get_generic_box (GdMainBox *self)
+{
+ GdMainBoxPrivate *priv;
+
+ priv = gd_main_box_get_instance_private (self);
+ return priv->current_box;
+}
+
+/**
+ * gd_main_box_get_selection:
+ * @self:
+ *
+ * Returns: (element-type GdMainBoxItem) (transfer full):
+ */
+GList *
+gd_main_box_get_selection (GdMainBox *self)
+{
+ GdMainBoxPrivate *priv;
+ GList *l;
+ GList *selected_children;
+ GList *selection = NULL;
+
+ priv = gd_main_box_get_instance_private (self);
+
+ selected_children = gd_main_box_generic_get_selected_children (GD_MAIN_BOX_GENERIC (priv->current_box));
+ for (l = selected_children; l != NULL; l = l->next)
+ {
+ GdMainBoxChild *child = GD_MAIN_BOX_CHILD (l->data);
+ GdMainBoxItem *item;
+
+ item = gd_main_box_child_get_item (child);
+ selection = g_list_prepend (selection, g_object_ref (item));
+ }
+
+ selection = g_list_reverse (selection);
+ g_list_free (selected_children);
+ return selection;
+}
+
+void
+gd_main_box_select_all (GdMainBox *self)
+{
+ GdMainBoxPrivate *priv;
+
+ priv = gd_main_box_get_instance_private (self);
+ gd_main_box_generic_select_all (GD_MAIN_BOX_GENERIC (priv->current_box));
+}
+
+void
+gd_main_box_unselect_all (GdMainBox *self)
+{
+ GdMainBoxPrivate *priv;
+
+ priv = gd_main_box_get_instance_private (self);
+ gd_main_box_generic_unselect_all (GD_MAIN_BOX_GENERIC (priv->current_box));
+}
diff --git a/libgd/gd-main-box.h b/libgd/gd-main-box.h
new file mode 100644
index 0000000..1ff8038
--- /dev/null
+++ b/libgd/gd-main-box.h
@@ -0,0 +1,61 @@
+/*
+ * Copyright (c) 2016, 2017 Red Hat, Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser 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 Lesser General Public
+ * License for more details.
+ *
+ * You should have received a copy of the GNU Lesser 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
+ *
+ * Author: Debarshi Ray <debarshir gnome org>
+ *
+ */
+
+#ifndef __GD_MAIN_BOX_H__
+#define __GD_MAIN_BOX_H__
+
+#include <gio/gio.h>
+#include <gtk/gtk.h>
+
+G_BEGIN_DECLS
+
+#define GD_TYPE_MAIN_BOX gd_main_box_get_type()
+G_DECLARE_DERIVABLE_TYPE (GdMainBox, gd_main_box, GD, MAIN_BOX, GtkBin)
+
+typedef enum
+{
+ GD_MAIN_BOX_ICON,
+ GD_MAIN_BOX_LIST
+} GdMainBoxType;
+
+struct _GdMainBoxClass
+{
+ GtkBinClass parent_class;
+};
+
+GtkWidget * gd_main_box_new (GdMainBoxType type);
+GdMainBoxType gd_main_box_get_box_type (GdMainBox *self);
+GListModel * gd_main_box_get_model (GdMainBox *self);
+GList * gd_main_box_get_selection (GdMainBox *self);
+gboolean gd_main_box_get_selection_mode (GdMainBox *self);
+gboolean gd_main_box_get_show_primary_text (GdMainBox *self);
+gboolean gd_main_box_get_show_secondary_text (GdMainBox *self);
+void gd_main_box_select_all (GdMainBox *self);
+void gd_main_box_set_box_type (GdMainBox *self, GdMainBoxType type);
+void gd_main_box_set_model (GdMainBox *self, GListModel *model);
+void gd_main_box_set_selection_mode (GdMainBox *self, gboolean selection_mode);
+void gd_main_box_set_show_primary_text (GdMainBox *self, gboolean show_primary_text);
+void gd_main_box_set_show_secondary_text (GdMainBox *self, gboolean show_secondary_text);
+void gd_main_box_unselect_all (GdMainBox *self);
+
+G_END_DECLS
+
+#endif /* __GD_MAIN_BOX_H__ */
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