diff options
Diffstat (limited to 'capplets/about-me/e-image-chooser.c')
| -rw-r--r-- | capplets/about-me/e-image-chooser.c | 225 |
1 files changed, 128 insertions, 97 deletions
diff --git a/capplets/about-me/e-image-chooser.c b/capplets/about-me/e-image-chooser.c index c69bc204..b420fa02 100644 --- a/capplets/about-me/e-image-chooser.c +++ b/capplets/about-me/e-image-chooser.c @@ -29,17 +29,18 @@ #include "e-image-chooser.h" +typedef struct _EImageChooserPrivate EImageChooserPrivate; struct _EImageChooserPrivate { GtkWidget *image; - GtkWidget *browse_button; char *image_buf; int image_buf_size; - int image_width; - int image_height; + int width; + int height; gboolean editable; + gboolean scaleable; }; enum { @@ -47,9 +48,15 @@ enum { LAST_SIGNAL }; +enum { + PROP_0, + PROP_WIDTH, + PROP_HEIGHT, + NUM_PROPERTIES +}; +static GParamSpec *properties[NUM_PROPERTIES] = { NULL, }; static guint image_chooser_signals [LAST_SIGNAL] = { 0 }; - static void e_image_chooser_init (EImageChooser *chooser); static void e_image_chooser_class_init (EImageChooserClass *klass); static void e_image_chooser_dispose (GObject *object); @@ -66,8 +73,7 @@ static void image_drag_data_received_cb (GtkWidget *widget, GtkSelectionData *selection_data, guint info, guint time, EImageChooser *chooser); -static GObjectClass *parent_class = NULL; -#define PARENT_TYPE GTK_TYPE_BOX +G_DEFINE_TYPE_WITH_PRIVATE (EImageChooser, e_image_chooser, GTK_TYPE_BOX); enum DndTargetType { DND_TARGET_TYPE_URI_LIST @@ -85,37 +91,69 @@ e_image_chooser_new (void) return g_object_new (E_TYPE_IMAGE_CHOOSER, "orientation", GTK_ORIENTATION_VERTICAL, NULL); } -GType -e_image_chooser_get_type (void) +GtkWidget *e_image_chooser_new_with_size (int width, int height) { - static GType eic_type = 0; - - if (!eic_type) { - static const GTypeInfo eic_info = { - sizeof (EImageChooserClass), - NULL, /* base_init */ - NULL, /* base_finalize */ - (GClassInitFunc) e_image_chooser_class_init, - NULL, /* class_finalize */ - NULL, /* class_data */ - sizeof (EImageChooser), - 0, /* n_preallocs */ - (GInstanceInitFunc) e_image_chooser_init, - }; - - eic_type = g_type_register_static (PARENT_TYPE, "EImageChooser", &eic_info, 0); - } + return g_object_new (E_TYPE_IMAGE_CHOOSER, + "width", width, + "height", height, + "orientation", GTK_ORIENTATION_VERTICAL, NULL); +} - return eic_type; +static void +e_image_chooser_set_property (GObject *object, + guint prop_id, + const GValue *value, + GParamSpec *pspec) +{ + EImageChooserPrivate *priv; + + priv = e_image_chooser_get_instance_private (E_IMAGE_CHOOSER (object)); + + switch (prop_id) + { + case PROP_WIDTH: + priv->width = g_value_get_int (value); + priv->scaleable = FALSE; + break; + case PROP_HEIGHT: + priv->height = g_value_get_int (value); + priv->scaleable = FALSE; + break; + default: + G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); + break; + } } +static void +e_image_chooser_get_property (GObject *object, guint prop_id, GValue *value, GParamSpec *pspec) +{ + EImageChooserPrivate *priv; + + priv = e_image_chooser_get_instance_private (E_IMAGE_CHOOSER (object)); + + switch (prop_id) + { + case PROP_WIDTH: + g_value_set_int (value, priv->width); + break; + case PROP_HEIGHT: + g_value_set_int (value, priv->height); + break; + default: + G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); + break; + } +} static void e_image_chooser_class_init (EImageChooserClass *klass) { GObjectClass *object_class = G_OBJECT_CLASS (klass); - parent_class = g_type_class_ref (PARENT_TYPE); + object_class->dispose = e_image_chooser_dispose; + object_class->set_property = e_image_chooser_set_property; + object_class->get_property = e_image_chooser_get_property; image_chooser_signals [CHANGED] = g_signal_new ("changed", @@ -125,8 +163,22 @@ e_image_chooser_class_init (EImageChooserClass *klass) NULL, NULL, g_cclosure_marshal_VOID__VOID, G_TYPE_NONE, 0); - - object_class->dispose = e_image_chooser_dispose; + properties[PROP_WIDTH] = + g_param_spec_int ("width", + "Chooser width", + "Chooser width to show image", + 0, G_MAXINT, + 32, + G_PARAM_READWRITE); + properties[PROP_HEIGHT] = + g_param_spec_int ("height", + "Chooser height", + "Chooser height to show image", + 0, G_MAXINT, + 32, + G_PARAM_READWRITE); + + g_object_class_install_properties (object_class, NUM_PROPERTIES, properties); } static void @@ -134,9 +186,10 @@ e_image_chooser_init (EImageChooser *chooser) { EImageChooserPrivate *priv; - priv = chooser->priv = g_new0 (EImageChooserPrivate, 1); + priv = e_image_chooser_get_instance_private (chooser); priv->image = gtk_image_new (); + priv->scaleable = TRUE; gtk_box_set_homogeneous (GTK_BOX (chooser), FALSE); gtk_box_pack_start (GTK_BOX (chooser), priv->image, TRUE, TRUE, 0); @@ -158,22 +211,18 @@ e_image_chooser_init (EImageChooser *chooser) static void e_image_chooser_dispose (GObject *object) { - EImageChooser *eic = E_IMAGE_CHOOSER (object); + EImageChooserPrivate *priv; - if (eic->priv) { - EImageChooserPrivate *priv = eic->priv; + priv = e_image_chooser_get_instance_private (E_IMAGE_CHOOSER (object)); - if (priv->image_buf) { - g_free (priv->image_buf); - priv->image_buf = NULL; - } - g_free (eic->priv); - eic->priv = NULL; + if (priv->image_buf) { + g_free (priv->image_buf); + priv->image_buf = NULL; } - if (G_OBJECT_CLASS (parent_class)->dispose) - (* G_OBJECT_CLASS (parent_class)->dispose) (object); + if (G_OBJECT_CLASS (e_image_chooser_parent_class)->dispose) + (* G_OBJECT_CLASS (e_image_chooser_parent_class)->dispose) (object); } @@ -184,6 +233,9 @@ set_image_from_data (EImageChooser *chooser, gboolean rv = FALSE; GdkPixbufLoader *loader = gdk_pixbuf_loader_new (); GdkPixbuf *pixbuf; + EImageChooserPrivate *priv; + + priv = e_image_chooser_get_instance_private (chooser); gdk_pixbuf_loader_write (loader, (guchar *) data, length, NULL); gdk_pixbuf_loader_close (loader, NULL); @@ -195,64 +247,22 @@ set_image_from_data (EImageChooser *chooser, if (pixbuf) { GdkPixbuf *scaled; - GtkRequisition chooser_size; - - float scale; - int new_height, new_width; - - gtk_widget_get_preferred_size (gtk_widget_get_parent (GTK_WIDGET (chooser)), - &chooser_size, NULL); - chooser_size.width -= 5; - chooser_size.height -= 5; - - 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 = (float)chooser_size.height / new_height; - else - scale = (float)chooser_size.width / new_width; - } - else { - /* we need to scale up */ - if (new_height > new_width) - scale = (float)new_height / chooser_size.height; - else - scale = (float)new_width / chooser_size.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 { - new_width *= scale; - new_height *= scale; - new_width = MIN (new_width, chooser_size.width); - new_height = MIN (new_height, chooser_size.height); - + if (priv->scaleable) { + gtk_image_set_from_pixbuf (GTK_IMAGE (priv->image), pixbuf); + } else { scaled = gdk_pixbuf_scale_simple (pixbuf, - new_width, new_height, + priv->width, priv->height, GDK_INTERP_BILINEAR); - gtk_image_set_from_pixbuf (GTK_IMAGE (chooser->priv->image), scaled); + gtk_image_set_from_pixbuf (GTK_IMAGE (priv->image), scaled); g_object_unref (scaled); } g_object_unref (pixbuf); - g_free (chooser->priv->image_buf); - chooser->priv->image_buf = data; - chooser->priv->image_buf_size = length; + g_free (priv->image_buf); + priv->image_buf = data; + priv->image_buf_size = length; g_signal_emit (chooser, image_chooser_signals [CHANGED], 0); @@ -269,8 +279,11 @@ image_drag_motion_cb (GtkWidget *widget, gint x, gint y, guint time, EImageChooser *chooser) { GList *p; + EImageChooserPrivate *priv; + + priv = e_image_chooser_get_instance_private (chooser); - if (!chooser->priv->editable) + if (!priv->editable) return FALSE; for (p = gdk_drag_context_list_targets (context); p; p = p->next) { @@ -295,8 +308,11 @@ image_drag_drop_cb (GtkWidget *widget, gint x, gint y, guint time, EImageChooser *chooser) { GList *p; + EImageChooserPrivate *priv; - if (!chooser->priv->editable) + priv = e_image_chooser_get_instance_private (chooser); + + if (!priv->editable) return FALSE; if (gdk_drag_context_list_targets (context) == NULL) { @@ -414,10 +430,22 @@ void e_image_chooser_set_editable (EImageChooser *chooser, gboolean editable) { g_return_if_fail (E_IS_IMAGE_CHOOSER (chooser)); + EImageChooserPrivate *priv; + + priv = e_image_chooser_get_instance_private (chooser); + + priv->editable = editable; +} + +void +e_image_chooser_set_scaleable (EImageChooser *chooser, gboolean scaleable) +{ + g_return_if_fail (E_IS_IMAGE_CHOOSER (chooser)); + EImageChooserPrivate *priv; - chooser->priv->editable = editable; + priv = e_image_chooser_get_instance_private (chooser); - gtk_widget_set_sensitive (chooser->priv->browse_button, editable); + priv->scaleable = scaleable; } gboolean @@ -426,10 +454,13 @@ e_image_chooser_get_image_data (EImageChooser *chooser, char **data, gsize *data 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); + EImageChooserPrivate *priv; + + priv = e_image_chooser_get_instance_private (chooser); - *data_length = chooser->priv->image_buf_size; + *data_length = priv->image_buf_size; *data = g_malloc (*data_length); - memcpy (*data, chooser->priv->image_buf, *data_length); + memcpy (*data, priv->image_buf, *data_length); return TRUE; } |