diff options
Diffstat (limited to 'widgets/misc/e-image-chooser.c')
| -rw-r--r-- | widgets/misc/e-image-chooser.c | 562 |
1 files changed, 0 insertions, 562 deletions
diff --git a/widgets/misc/e-image-chooser.c b/widgets/misc/e-image-chooser.c deleted file mode 100644 index 5fe6941d58..0000000000 --- a/widgets/misc/e-image-chooser.c +++ /dev/null @@ -1,562 +0,0 @@ -/* - * e-image-chooser.c - * - * 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) version 3. - * - * 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 the program; if not, see <http://www.gnu.org/licenses/> - * - * - * Copyright (C) 1999-2008 Novell, Inc. (www.novell.com) - * - */ - -#ifdef HAVE_CONFIG_H -#include <config.h> -#endif - -#include <stdio.h> -#include <string.h> - -#include <glib/gi18n.h> - -#include "e-image-chooser.h" -#include "e-util/e-util.h" -#include "e-util/e-icon-factory.h" - -#define E_IMAGE_CHOOSER_GET_PRIVATE(obj) \ - (G_TYPE_INSTANCE_GET_PRIVATE \ - ((obj), E_TYPE_IMAGE_CHOOSER, EImageChooserPrivate)) - -struct _EImageChooserPrivate { - GtkWidget *frame; - GtkWidget *image; - - gchar *image_buf; - gint image_buf_size; - gint image_width; - gint image_height; - - /* Default Image */ - gchar *icon_name; -}; - -enum { - PROP_0, - PROP_ICON_NAME -}; - -enum { - CHANGED, - LAST_SIGNAL -}; - -static guint signals[LAST_SIGNAL]; - -#define URI_LIST_TYPE "text/uri-list" - -G_DEFINE_TYPE ( - EImageChooser, - e_image_chooser, - GTK_TYPE_VBOX) - -static gboolean -set_image_from_data (EImageChooser *chooser, - gchar *data, - gint length) -{ - GdkPixbufLoader *loader; - GdkPixbuf *pixbuf; - gfloat scale; - gint new_height; - gint new_width; - - loader = gdk_pixbuf_loader_new (); - gdk_pixbuf_loader_write (loader, (guchar *) data, length, NULL); - gdk_pixbuf_loader_close (loader, NULL); - - pixbuf = gdk_pixbuf_loader_get_pixbuf (loader); - if (pixbuf) - g_object_ref (pixbuf); - - g_object_unref (loader); - - if (pixbuf == NULL) - return FALSE; - - new_height = gdk_pixbuf_get_height (pixbuf); - new_width = gdk_pixbuf_get_width (pixbuf); - - if (chooser->priv->image_height == 0 - && chooser->priv->image_width == 0) { - scale = 1.0; - } else if (chooser->priv->image_height < new_height - || chooser->priv->image_width < new_width) { - /* we need to scale down */ - if (new_height > new_width) - scale = (gfloat) chooser->priv->image_height / new_height; - else - scale = (gfloat) chooser->priv->image_width / new_width; - } else { - /* we need to scale up */ - if (new_height > new_width) - scale = (gfloat) new_height / chooser->priv->image_height; - else - scale = (gfloat) new_width / chooser->priv->image_width; - } - - if (scale == 1.0) { - gtk_image_set_from_pixbuf ( - GTK_IMAGE (chooser->priv->image), pixbuf); - chooser->priv->image_width = new_width; - chooser->priv->image_height = new_height; - } else { - GdkPixbuf *scaled; - GdkPixbuf *composite; - - new_width *= scale; - new_height *= scale; - new_width = MIN (new_width, chooser->priv->image_width); - new_height = MIN (new_height, chooser->priv->image_height); - - scaled = gdk_pixbuf_scale_simple ( - pixbuf, new_width, new_height, - GDK_INTERP_BILINEAR); - - composite = gdk_pixbuf_new ( - GDK_COLORSPACE_RGB, TRUE, - gdk_pixbuf_get_bits_per_sample (pixbuf), - chooser->priv->image_width, - chooser->priv->image_height); - - gdk_pixbuf_fill (composite, 0x00000000); - - gdk_pixbuf_copy_area ( - scaled, 0, 0, new_width, new_height, - composite, - chooser->priv->image_width / 2 - new_width / 2, - chooser->priv->image_height / 2 - new_height / 2); - - gtk_image_set_from_pixbuf ( - GTK_IMAGE (chooser->priv->image), composite); - - g_object_unref (scaled); - g_object_unref (composite); - } - - g_object_unref (pixbuf); - - g_free (chooser->priv->image_buf); - chooser->priv->image_buf = data; - chooser->priv->image_buf_size = length; - - g_signal_emit (chooser, signals[CHANGED], 0); - - return TRUE; -} - -static gboolean -image_drag_motion_cb (GtkWidget *widget, - GdkDragContext *context, - gint x, - gint y, - guint time, - EImageChooser *chooser) -{ - GtkFrame *frame; - GList *targets, *p; - - frame = GTK_FRAME (chooser->priv->frame); - targets = gdk_drag_context_list_targets (context); - - for (p = targets; p != NULL; p = p->next) { - gchar *possible_type; - - possible_type = gdk_atom_name (GDK_POINTER_TO_ATOM (p->data)); - if (!strcmp (possible_type, URI_LIST_TYPE)) { - g_free (possible_type); - gdk_drag_status (context, GDK_ACTION_COPY, time); - gtk_frame_set_shadow_type (frame, GTK_SHADOW_IN); - return TRUE; - } - - g_free (possible_type); - } - - gtk_frame_set_shadow_type (frame, GTK_SHADOW_NONE); - - return FALSE; -} - -static void -image_drag_leave_cb (GtkWidget *widget, - GdkDragContext *context, - guint time, - EImageChooser *chooser) -{ - GtkFrame *frame; - - frame = GTK_FRAME (chooser->priv->frame); - gtk_frame_set_shadow_type (frame, GTK_SHADOW_NONE); -} - -static gboolean -image_drag_drop_cb (GtkWidget *widget, - GdkDragContext *context, - gint x, - gint y, - guint time, - EImageChooser *chooser) -{ - GtkFrame *frame; - GList *targets, *p; - - frame = GTK_FRAME (chooser->priv->frame); - targets = gdk_drag_context_list_targets (context); - - if (targets == NULL) { - gtk_frame_set_shadow_type (frame, GTK_SHADOW_NONE); - return FALSE; - } - - for (p = targets; p != NULL; p = p->next) { - gchar *possible_type; - - possible_type = gdk_atom_name (GDK_POINTER_TO_ATOM (p->data)); - if (!strcmp (possible_type, URI_LIST_TYPE)) { - g_free (possible_type); - gtk_drag_get_data ( - widget, context, - GDK_POINTER_TO_ATOM (p->data), time); - gtk_frame_set_shadow_type (frame, GTK_SHADOW_NONE); - return TRUE; - } - - g_free (possible_type); - } - - gtk_frame_set_shadow_type (frame, GTK_SHADOW_NONE); - - return FALSE; -} - -static void -image_chooser_file_loaded_cb (GFile *file, - GAsyncResult *result, - EImageChooser *chooser) -{ - gchar *contents; - gsize length; - GError *error = NULL; - - g_file_load_contents_finish ( - file, result, &contents, &length, NULL, &error); - - if (error != NULL) { - g_warning ("%s", error->message); - g_error_free (error); - goto exit; - } - - set_image_from_data (chooser, contents, length); - - g_free (contents); - -exit: - g_object_unref (chooser); -} - -static void -image_drag_data_received_cb (GtkWidget *widget, - GdkDragContext *context, - gint x, - gint y, - GtkSelectionData *selection_data, - guint info, - guint time, - EImageChooser *chooser) -{ - GFile *file; - gboolean handled = FALSE; - gchar **uris; - - uris = gtk_selection_data_get_uris (selection_data); - - if (uris == NULL) - goto exit; - - file = g_file_new_for_uri (uris[0]); - - /* XXX Not cancellable. */ - g_file_load_contents_async ( - file, NULL, (GAsyncReadyCallback) - image_chooser_file_loaded_cb, - g_object_ref (chooser)); - - g_object_unref (file); - g_strfreev (uris); - - /* Assume success. We won't know til later. */ - handled = TRUE; - -exit: - gtk_drag_finish (context, handled, FALSE, time); -} - -static void -image_chooser_set_icon_name (EImageChooser *chooser, - const gchar *icon_name) -{ - GtkIconTheme *icon_theme; - GtkIconInfo *icon_info; - const gchar *filename; - gint width, height; - - g_return_if_fail (chooser->priv->icon_name == NULL); - - chooser->priv->icon_name = g_strdup (icon_name); - - icon_theme = gtk_icon_theme_get_default (); - gtk_icon_size_lookup (GTK_ICON_SIZE_DIALOG, &width, &height); - - icon_info = gtk_icon_theme_lookup_icon ( - icon_theme, icon_name, height, 0); - g_return_if_fail (icon_info != NULL); - - filename = gtk_icon_info_get_filename (icon_info); - e_image_chooser_set_from_file (chooser, filename); - gtk_icon_info_free (icon_info); -} - -static void -image_chooser_set_property (GObject *object, - guint property_id, - const GValue *value, - GParamSpec *pspec) -{ - switch (property_id) { - case PROP_ICON_NAME: - image_chooser_set_icon_name ( - E_IMAGE_CHOOSER (object), - g_value_get_string (value)); - return; - } - - G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec); -} - -static void -image_chooser_get_property (GObject *object, - guint property_id, - GValue *value, - GParamSpec *pspec) -{ - switch (property_id) { - case PROP_ICON_NAME: - g_value_set_string ( - value, - e_image_chooser_get_icon_name ( - E_IMAGE_CHOOSER (object))); - return; - } - - G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec); -} - -static void -image_chooser_dispose (GObject *object) -{ - EImageChooserPrivate *priv; - - priv = E_IMAGE_CHOOSER_GET_PRIVATE (object); - - if (priv->frame != NULL) { - g_object_unref (priv->frame); - priv->frame = NULL; - } - - if (priv->image != NULL) { - g_object_unref (priv->image); - priv->image = NULL; - } - - /* Chain up to parent's dispose() method. */ - G_OBJECT_CLASS (e_image_chooser_parent_class)->dispose (object); -} - -static void -image_chooser_finalize (GObject *object) -{ - EImageChooserPrivate *priv; - - priv = E_IMAGE_CHOOSER_GET_PRIVATE (object); - - g_free (priv->image_buf); - g_free (priv->icon_name); - - /* Chain up to parent's finalize() method. */ - G_OBJECT_CLASS (e_image_chooser_parent_class)->finalize (object); -} - -static void -e_image_chooser_class_init (EImageChooserClass *class) -{ - GObjectClass *object_class; - - g_type_class_add_private (class, sizeof (EImageChooserPrivate)); - - object_class = G_OBJECT_CLASS (class); - object_class->set_property = image_chooser_set_property; - object_class->get_property = image_chooser_get_property; - object_class->dispose = image_chooser_dispose; - object_class->finalize = image_chooser_finalize; - - g_object_class_install_property ( - object_class, - PROP_ICON_NAME, - g_param_spec_string ( - "icon-name", - "Icon Name", - NULL, - "avatar-default", - G_PARAM_READWRITE | - G_PARAM_CONSTRUCT_ONLY)); - - signals[CHANGED] = g_signal_new ( - "changed", - G_OBJECT_CLASS_TYPE (object_class), - G_SIGNAL_RUN_FIRST, - G_STRUCT_OFFSET (EImageChooserClass, changed), - NULL, NULL, - g_cclosure_marshal_VOID__VOID, - G_TYPE_NONE, 0); -} - -static void -e_image_chooser_init (EImageChooser *chooser) -{ - GtkWidget *container; - GtkWidget *widget; - - chooser->priv = E_IMAGE_CHOOSER_GET_PRIVATE (chooser); - - container = GTK_WIDGET (chooser); - - widget = gtk_frame_new (""); - gtk_frame_set_shadow_type (GTK_FRAME (widget), GTK_SHADOW_NONE); - gtk_box_pack_start (GTK_BOX (container), widget, TRUE, TRUE, 0); - chooser->priv->frame = g_object_ref (widget); - gtk_widget_show (widget); - - container = widget; - - widget = gtk_alignment_new (0, 0, 0, 0); - gtk_container_add (GTK_CONTAINER (container), widget); - gtk_widget_show (widget); - - container = widget; - - widget = gtk_image_new (); - gtk_container_add (GTK_CONTAINER (container), widget); - chooser->priv->image = g_object_ref (widget); - gtk_widget_show (widget); - - gtk_drag_dest_set (widget, 0, NULL, 0, GDK_ACTION_COPY); - gtk_drag_dest_add_uri_targets (widget); - - g_signal_connect ( - widget, "drag-motion", - G_CALLBACK (image_drag_motion_cb), chooser); - g_signal_connect ( - widget, "drag-leave", - G_CALLBACK (image_drag_leave_cb), chooser); - g_signal_connect ( - widget, "drag-drop", - G_CALLBACK (image_drag_drop_cb), chooser); - g_signal_connect ( - widget, "drag-data-received", - G_CALLBACK (image_drag_data_received_cb), chooser); -} - -const gchar * -e_image_chooser_get_icon_name (EImageChooser *chooser) -{ - g_return_val_if_fail (E_IS_IMAGE_CHOOSER (chooser), NULL); - - return chooser->priv->icon_name; -} - -GtkWidget * -e_image_chooser_new (const gchar *icon_name) -{ - g_return_val_if_fail (icon_name != NULL, NULL); - - return g_object_new ( - E_TYPE_IMAGE_CHOOSER, - "icon-name", icon_name, NULL); -} - -gboolean -e_image_chooser_set_from_file (EImageChooser *chooser, - const gchar *filename) -{ - gchar *data; - gsize data_length; - - g_return_val_if_fail (E_IS_IMAGE_CHOOSER (chooser), FALSE); - g_return_val_if_fail (filename != NULL, FALSE); - - if (!g_file_get_contents (filename, &data, &data_length, NULL)) - return FALSE; - - if (!set_image_from_data (chooser, data, data_length)) - g_free (data); - - return TRUE; -} - -gboolean -e_image_chooser_get_image_data (EImageChooser *chooser, - gchar **data, - gsize *data_length) -{ - g_return_val_if_fail (E_IS_IMAGE_CHOOSER (chooser), FALSE); - g_return_val_if_fail (data != NULL, FALSE); - g_return_val_if_fail (data_length != NULL, FALSE); - - *data_length = chooser->priv->image_buf_size; - *data = g_malloc (*data_length); - memcpy (*data, chooser->priv->image_buf, *data_length); - - return TRUE; -} - -gboolean -e_image_chooser_set_image_data (EImageChooser *chooser, - gchar *data, - gsize data_length) -{ - gchar *buf; - - g_return_val_if_fail (E_IS_IMAGE_CHOOSER (chooser), FALSE); - g_return_val_if_fail (data != NULL, FALSE); - - /* yuck, a copy... */ - buf = g_malloc (data_length); - memcpy (buf, data, data_length); - - if (!set_image_from_data (chooser, buf, data_length)) { - g_free (buf); - return FALSE; - } - - return TRUE; -} |