diff options
Diffstat (limited to 'trunk/libempathy-gtk/empathy-avatar-chooser.c')
| -rw-r--r-- | trunk/libempathy-gtk/empathy-avatar-chooser.c | 577 |
1 files changed, 577 insertions, 0 deletions
diff --git a/trunk/libempathy-gtk/empathy-avatar-chooser.c b/trunk/libempathy-gtk/empathy-avatar-chooser.c new file mode 100644 index 000000000..b0142d72d --- /dev/null +++ b/trunk/libempathy-gtk/empathy-avatar-chooser.c @@ -0,0 +1,577 @@ +/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */ +/* + * Copyright (C) 2006-2007 Imendio AB. + * Copyright (C) 2007-2008 Collabora Ltd. + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of version 2 of the GNU General Public + * License as published by the Free Software Foundation. + * + * 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 library; if not, write to the + * Free Software Foundation, Inc., 59 Temple Place - Suite 330, + * Boston, MA 02111-1307, USA. + * + * Authors: Based on Novell's e-image-chooser. + * Xavier Claessens <xclaesse@gmail.com> + */ + +#include "config.h" + +#include <string.h> + +#include <glib/gi18n.h> +#include <gtk/gtk.h> +#include <gio/gio.h> + +#include <libempathy/empathy-utils.h> +#include "empathy-avatar-chooser.h" +#include "empathy-conf.h" +#include "empathy-ui-utils.h" + +#define DEBUG_FLAG EMPATHY_DEBUG_OTHER +#include <libempathy/empathy-debug.h> + +#define AVATAR_SIZE_SAVE 96 +#define AVATAR_SIZE_VIEW 64 +#define DEFAULT_DIR DATADIR"/pixmaps/faces" + +#define GET_PRIV(obj) EMPATHY_GET_PRIV (obj, EmpathyAvatarChooser) +typedef struct { + gchar *image_data; + gsize image_data_size; +} EmpathyAvatarChooserPriv; + +static void avatar_chooser_finalize (GObject *object); +static void avatar_chooser_set_image_from_data (EmpathyAvatarChooser *chooser, + gchar *data, + gsize size); +static gboolean avatar_chooser_drag_motion_cb (GtkWidget *widget, + GdkDragContext *context, + gint x, + gint y, + guint time, + EmpathyAvatarChooser *chooser); +static void avatar_chooser_drag_leave_cb (GtkWidget *widget, + GdkDragContext *context, + guint time, + EmpathyAvatarChooser *chooser); +static gboolean avatar_chooser_drag_drop_cb (GtkWidget *widget, + GdkDragContext *context, + gint x, + gint y, + guint time, + EmpathyAvatarChooser *chooser); +static void avatar_chooser_drag_data_received_cb (GtkWidget *widget, + GdkDragContext *context, + gint x, + gint y, + GtkSelectionData *selection_data, + guint info, + guint time, + EmpathyAvatarChooser *chooser); +static void avatar_chooser_clicked_cb (GtkWidget *button, + EmpathyAvatarChooser *chooser); + +enum { + CHANGED, + LAST_SIGNAL +}; + +static guint signals [LAST_SIGNAL]; + +G_DEFINE_TYPE (EmpathyAvatarChooser, empathy_avatar_chooser, GTK_TYPE_BUTTON); + +/* + * Drag and drop stuff + */ +#define URI_LIST_TYPE "text/uri-list" + +enum DndTargetType { + DND_TARGET_TYPE_URI_LIST +}; + +static const GtkTargetEntry drop_types[] = { + { URI_LIST_TYPE, 0, DND_TARGET_TYPE_URI_LIST }, +}; + +static void +empathy_avatar_chooser_class_init (EmpathyAvatarChooserClass *klass) +{ + GObjectClass *object_class = G_OBJECT_CLASS (klass); + + object_class->finalize = avatar_chooser_finalize; + + signals[CHANGED] = + g_signal_new ("changed", + G_TYPE_FROM_CLASS (klass), + G_SIGNAL_RUN_LAST, + 0, + NULL, NULL, + g_cclosure_marshal_VOID__VOID, + G_TYPE_NONE, 0); + + g_type_class_add_private (object_class, sizeof (EmpathyAvatarChooserPriv)); +} + +static void +empathy_avatar_chooser_init (EmpathyAvatarChooser *chooser) +{ + EmpathyAvatarChooserPriv *priv = G_TYPE_INSTANCE_GET_PRIVATE (chooser, + EMPATHY_TYPE_AVATAR_CHOOSER, EmpathyAvatarChooserPriv); + + chooser->priv = priv; + gtk_drag_dest_set (GTK_WIDGET (chooser), + GTK_DEST_DEFAULT_ALL, + drop_types, + G_N_ELEMENTS (drop_types), + GDK_ACTION_COPY); + + g_signal_connect (chooser, "drag-motion", + G_CALLBACK (avatar_chooser_drag_motion_cb), + chooser); + g_signal_connect (chooser, "drag-leave", + G_CALLBACK (avatar_chooser_drag_leave_cb), + chooser); + g_signal_connect (chooser, "drag-drop", + G_CALLBACK (avatar_chooser_drag_drop_cb), + chooser); + g_signal_connect (chooser, "drag-data-received", + G_CALLBACK (avatar_chooser_drag_data_received_cb), + chooser); + g_signal_connect (chooser, "clicked", + G_CALLBACK (avatar_chooser_clicked_cb), + chooser); + + empathy_avatar_chooser_set (chooser, NULL); +} + +static void +avatar_chooser_finalize (GObject *object) +{ + EmpathyAvatarChooserPriv *priv; + + priv = GET_PRIV (object); + + g_free (priv->image_data); + + G_OBJECT_CLASS (empathy_avatar_chooser_parent_class)->finalize (object); +} + +static void +avatar_chooser_set_pixbuf (EmpathyAvatarChooser *chooser, + GdkPixbuf *pixbuf) +{ + EmpathyAvatarChooserPriv *priv = GET_PRIV (chooser); + GtkWidget *image; + GdkPixbuf *pixbuf_view = NULL; + GdkPixbuf *pixbuf_save = NULL; + GError *error = NULL; + + g_free (priv->image_data); + priv->image_data = NULL; + priv->image_data_size = 0; + + if (pixbuf) { + pixbuf_view = empathy_pixbuf_scale_down_if_necessary (pixbuf, AVATAR_SIZE_VIEW); + pixbuf_save = empathy_pixbuf_scale_down_if_necessary (pixbuf, AVATAR_SIZE_SAVE); + + if (!gdk_pixbuf_save_to_buffer (pixbuf_save, + &priv->image_data, + &priv->image_data_size, + "png", + &error, NULL)) { + DEBUG ("Failed to save pixbuf: %s", + error ? error->message : "No error given"); + g_clear_error (&error); + } + image = gtk_image_new_from_pixbuf (pixbuf_view); + + g_object_unref (pixbuf_save); + g_object_unref (pixbuf_view); + } else { + image = gtk_image_new_from_icon_name ("stock_person", + GTK_ICON_SIZE_DIALOG); + } + + gtk_button_set_image (GTK_BUTTON (chooser), image); + g_signal_emit (chooser, signals[CHANGED], 0); +} + +static void +avatar_chooser_set_image_from_file (EmpathyAvatarChooser *chooser, + const gchar *filename) +{ + GdkPixbuf *pixbuf; + GError *error = NULL; + + if (!(pixbuf = gdk_pixbuf_new_from_file (filename, &error))) { + DEBUG ("Failed to load pixbuf from file: %s", + error ? error->message : "No error given"); + g_clear_error (&error); + } + + avatar_chooser_set_pixbuf (chooser, pixbuf); + if (pixbuf) { + g_object_unref (pixbuf); + } +} + +static void +avatar_chooser_set_image_from_data (EmpathyAvatarChooser *chooser, + gchar *data, + gsize size) +{ + GdkPixbuf *pixbuf; + + pixbuf = empathy_pixbuf_from_data (data, size); + avatar_chooser_set_pixbuf (chooser, pixbuf); + if (pixbuf) { + g_object_unref (pixbuf); + } +} + +static gboolean +avatar_chooser_drag_motion_cb (GtkWidget *widget, + GdkDragContext *context, + gint x, + gint y, + guint time, + EmpathyAvatarChooser *chooser) +{ + EmpathyAvatarChooserPriv *priv; + GList *p; + + priv = GET_PRIV (chooser); + + for (p = context->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); + + return TRUE; + } + + g_free (possible_type); + } + + return FALSE; +} + +static void +avatar_chooser_drag_leave_cb (GtkWidget *widget, + GdkDragContext *context, + guint time, + EmpathyAvatarChooser *chooser) +{ +} + +static gboolean +avatar_chooser_drag_drop_cb (GtkWidget *widget, + GdkDragContext *context, + gint x, + gint y, + guint time, + EmpathyAvatarChooser *chooser) +{ + EmpathyAvatarChooserPriv *priv; + GList *p; + + priv = GET_PRIV (chooser); + + if (context->targets == NULL) { + return FALSE; + } + + for (p = context->targets; p != NULL; p = p->next) { + char *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); + + return TRUE; + } + + g_free (possible_type); + } + + return FALSE; +} + +static void +avatar_chooser_drag_data_received_cb (GtkWidget *widget, + GdkDragContext *context, + gint x, + gint y, + GtkSelectionData *selection_data, + guint info, + guint time, + EmpathyAvatarChooser *chooser) +{ + gchar *target_type; + gboolean handled = FALSE; + + target_type = gdk_atom_name (selection_data->target); + if (!strcmp (target_type, URI_LIST_TYPE)) { + GFile *file; + GFileInputStream *input_stream; + gchar *nl; + gchar *data = NULL; + + nl = strstr (selection_data->data, "\r\n"); + if (nl) { + gchar *uri; + + uri = g_strndup (selection_data->data, + nl - (gchar*) selection_data->data); + + file = g_file_new_for_uri (uri); + g_free (uri); + } else { + file = g_file_new_for_uri (selection_data->data); + } + + input_stream = g_file_read (file, NULL, NULL); + + if (input_stream != NULL) { + GFileInfo *info; + + info = g_file_query_info (file, + G_FILE_ATTRIBUTE_STANDARD_SIZE, + 0, NULL, NULL); + if (info != NULL) { + goffset size; + gssize bytes_read; + + size = g_file_info_get_size (info); + data = g_malloc (size); + + bytes_read = g_input_stream_read (G_INPUT_STREAM (input_stream), + data, size, + NULL, NULL); + if (bytes_read != -1) { + avatar_chooser_set_image_from_data (chooser, + data, + (gsize) bytes_read); + handled = TRUE; + } + + g_free (data); + g_object_unref (info); + } + + g_object_unref (input_stream); + } + + g_object_unref (file); + } + + gtk_drag_finish (context, handled, FALSE, time); +} + +static void +avatar_chooser_update_preview_cb (GtkFileChooser *file_chooser, + EmpathyAvatarChooser *chooser) +{ + gchar *filename; + + filename = gtk_file_chooser_get_preview_filename (file_chooser); + + if (filename) { + GtkWidget *image; + GdkPixbuf *pixbuf = NULL; + GdkPixbuf *scaled_pixbuf; + + pixbuf = gdk_pixbuf_new_from_file (filename, NULL); + + image = gtk_file_chooser_get_preview_widget (file_chooser); + + if (pixbuf) { + scaled_pixbuf = empathy_pixbuf_scale_down_if_necessary (pixbuf, AVATAR_SIZE_SAVE); + gtk_image_set_from_pixbuf (GTK_IMAGE (image), scaled_pixbuf); + g_object_unref (scaled_pixbuf); + g_object_unref (pixbuf); + } else { + gtk_image_set_from_stock (GTK_IMAGE (image), + "gtk-dialog-question", + GTK_ICON_SIZE_DIALOG); + } + } + + gtk_file_chooser_set_preview_widget_active (file_chooser, TRUE); +} + +static void +avatar_chooser_response_cb (GtkWidget *widget, + gint response, + EmpathyAvatarChooser *chooser) +{ + if (response == GTK_RESPONSE_OK) { + gchar *filename; + gchar *path; + + filename = gtk_file_chooser_get_filename (GTK_FILE_CHOOSER (widget)); + avatar_chooser_set_image_from_file (chooser, filename); + g_free (filename); + + path = gtk_file_chooser_get_current_folder (GTK_FILE_CHOOSER (widget)); + if (path) { + empathy_conf_set_string (empathy_conf_get (), + EMPATHY_PREFS_UI_AVATAR_DIRECTORY, + path); + g_free (path); + } + } + else if (response == GTK_RESPONSE_NO) { + avatar_chooser_set_image_from_data (chooser, NULL, 0); + } + + gtk_widget_destroy (widget); +} + +static void +avatar_chooser_clicked_cb (GtkWidget *button, + EmpathyAvatarChooser *chooser) +{ + GtkFileChooser *chooser_dialog; + GtkWidget *image; + gchar *saved_dir = NULL; + const gchar *default_dir = DEFAULT_DIR; + const gchar *pics_dir; + GtkFileFilter *filter; + + chooser_dialog = GTK_FILE_CHOOSER ( + gtk_file_chooser_dialog_new (_("Select Your Avatar Image"), + empathy_get_toplevel_window (GTK_WIDGET (chooser)), + GTK_FILE_CHOOSER_ACTION_OPEN, + _("No Image"), + GTK_RESPONSE_NO, + GTK_STOCK_CANCEL, + GTK_RESPONSE_CANCEL, + GTK_STOCK_OPEN, + GTK_RESPONSE_OK, + NULL)); + + /* Get special dirs */ + empathy_conf_get_string (empathy_conf_get (), + EMPATHY_PREFS_UI_AVATAR_DIRECTORY, + &saved_dir); + if (saved_dir && !g_file_test (saved_dir, G_FILE_TEST_IS_DIR)) { + g_free (saved_dir); + saved_dir = NULL; + } + if (!g_file_test (default_dir, G_FILE_TEST_IS_DIR)) { + default_dir = NULL; + } + pics_dir = g_get_user_special_dir (G_USER_DIRECTORY_PICTURES); + if (pics_dir && !g_file_test (pics_dir, G_FILE_TEST_IS_DIR)) { + pics_dir = NULL; + } + + /* Set current dir to the last one or to DEFAULT_DIR or to home */ + if (saved_dir) { + gtk_file_chooser_set_current_folder (chooser_dialog, saved_dir); + } + else if (pics_dir) { + gtk_file_chooser_set_current_folder (chooser_dialog, pics_dir); + } + else if (default_dir) { + gtk_file_chooser_set_current_folder (chooser_dialog, default_dir); + } else { + gtk_file_chooser_set_current_folder (chooser_dialog, g_get_home_dir ()); + } + + /* Add shortcuts to special dirs */ + if (saved_dir) { + gtk_file_chooser_add_shortcut_folder (chooser_dialog, saved_dir, NULL); + } + else if (pics_dir) { + gtk_file_chooser_add_shortcut_folder (chooser_dialog, pics_dir, NULL); + } + if (default_dir) { + gtk_file_chooser_add_shortcut_folder (chooser_dialog, default_dir, NULL); + } + + /* Setup preview image */ + image = gtk_image_new (); + gtk_file_chooser_set_preview_widget (chooser_dialog, image); + gtk_widget_set_size_request (image, AVATAR_SIZE_SAVE, AVATAR_SIZE_SAVE); + gtk_widget_show (image); + gtk_file_chooser_set_use_preview_label (chooser_dialog, FALSE); + g_signal_connect (chooser_dialog, "update-preview", + G_CALLBACK (avatar_chooser_update_preview_cb), + chooser); + + /* Setup filers */ + filter = gtk_file_filter_new (); + gtk_file_filter_set_name (filter, _("Images")); + gtk_file_filter_add_pixbuf_formats (filter); + gtk_file_chooser_add_filter (chooser_dialog, filter); + filter = gtk_file_filter_new (); + gtk_file_filter_set_name (filter, _("All Files")); + gtk_file_filter_add_pattern(filter, "*"); + gtk_file_chooser_add_filter (chooser_dialog, filter); + + /* Setup response */ + gtk_dialog_set_default_response (GTK_DIALOG (chooser_dialog), GTK_RESPONSE_OK); + g_signal_connect (chooser_dialog, "response", + G_CALLBACK (avatar_chooser_response_cb), + chooser); + + gtk_widget_show (GTK_WIDGET (chooser_dialog)); + g_free (saved_dir); +} + +GtkWidget * +empathy_avatar_chooser_new (void) +{ + return g_object_new (EMPATHY_TYPE_AVATAR_CHOOSER, NULL); +} + +void +empathy_avatar_chooser_set (EmpathyAvatarChooser *chooser, + EmpathyAvatar *avatar) +{ + g_return_if_fail (EMPATHY_IS_AVATAR_CHOOSER (chooser)); + + avatar_chooser_set_image_from_data (chooser, + avatar ? avatar->data : NULL, + avatar ? avatar->len : 0); +} + +void +empathy_avatar_chooser_get_image_data (EmpathyAvatarChooser *chooser, + const gchar **data, + gsize *data_size, + const gchar **mime_type) +{ + EmpathyAvatarChooserPriv *priv; + + g_return_if_fail (EMPATHY_IS_AVATAR_CHOOSER (chooser)); + + priv = GET_PRIV (chooser); + + if (data) { + *data = priv->image_data; + } + if (data_size) { + *data_size = priv->image_data_size; + } + if (mime_type) { + *mime_type = "png"; + } +} + |