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Diffstat (limited to 'e-util/e-contact-marker.c')
| -rw-r--r-- | e-util/e-contact-marker.c | 624 |
1 files changed, 624 insertions, 0 deletions
diff --git a/e-util/e-contact-marker.c b/e-util/e-contact-marker.c new file mode 100644 index 0000000000..9ac9417c9f --- /dev/null +++ b/e-util/e-contact-marker.c @@ -0,0 +1,624 @@ +/* + * e-contact-marker.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) 2008 Pierre-Luc Beaudoin <pierre-luc@pierlux.com> + * Copyright (C) 2011 Jiri Techet <techet@gmail.com> + * Copyright (C) 2011 Dan Vratil <dvratil@redhat.com> + * + */ + +#ifdef HAVE_CONFIG_H +#include <config.h> +#endif + +#ifdef WITH_CONTACT_MAPS + +#include "e-contact-marker.h" + +#include <champlain/champlain.h> +#include <gtk/gtk.h> +#include <clutter/clutter.h> +#include <glib.h> +#include <glib/gi18n.h> +#include <glib-object.h> +#include <cairo.h> +#include <math.h> +#include <string.h> + +#define E_CONTACT_MARKER_GET_PRIVATE(obj) \ + (G_TYPE_INSTANCE_GET_PRIVATE \ + ((obj), E_TYPE_CONTACT_MARKER, EContactMarkerPrivate)) + +G_DEFINE_TYPE (EContactMarker, e_contact_marker, CHAMPLAIN_TYPE_LABEL); + +struct _EContactMarkerPrivate +{ + gchar *contact_uid; + + ClutterActor *image; + ClutterActor *text_actor; + + ClutterActor *shadow; + ClutterActor *background; + + guint total_width; + guint total_height; + + ClutterGroup *content_group; + + guint redraw_id; +}; + +enum { + DOUBLE_CLICKED, + LAST_SIGNAL +}; + +static gint signals[LAST_SIGNAL] = {0}; + +#define DEFAULT_FONT_NAME "Serif 9" + +static ClutterColor DEFAULT_COLOR = { 0x33, 0x33, 0x33, 0xff }; + +#define RADIUS 10 +#define PADDING (RADIUS / 2) + +static gboolean +contact_marker_clicked_cb (ClutterActor *actor, + ClutterEvent *event, + gpointer user_data) +{ + gint click_count = clutter_event_get_click_count (event); + + if (click_count == 2) + g_signal_emit (E_CONTACT_MARKER (actor), signals[DOUBLE_CLICKED], 0); + + return TRUE; +} + +static ClutterActor * +texture_new_from_pixbuf (GdkPixbuf *pixbuf, + GError **error) +{ + ClutterActor *texture = NULL; + const guchar *data; + gboolean has_alpha, success; + gint width, height, rowstride; + ClutterTextureFlags flags = 0; + + data = gdk_pixbuf_get_pixels (pixbuf); + width = gdk_pixbuf_get_width (pixbuf); + height = gdk_pixbuf_get_height (pixbuf); + has_alpha = gdk_pixbuf_get_has_alpha (pixbuf); + rowstride = gdk_pixbuf_get_rowstride (pixbuf); + + texture = clutter_texture_new (); + success = clutter_texture_set_from_rgb_data ( + CLUTTER_TEXTURE (texture), + data, has_alpha, width, height, rowstride, + (has_alpha ? 4: 3), flags, NULL); + + if (!success) { + clutter_actor_destroy (CLUTTER_ACTOR (texture)); + texture = NULL; + } + + return texture; +} + +static ClutterActor * +contact_photo_to_texture (EContactPhoto *photo) +{ + GdkPixbuf *pixbuf; + + if (photo->type == E_CONTACT_PHOTO_TYPE_INLINED) { + GError *error = NULL; + + GdkPixbufLoader *loader = gdk_pixbuf_loader_new (); + gdk_pixbuf_loader_write ( + loader, photo->data.inlined.data, + photo->data.inlined.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 (error) { + g_error_free (error); + return NULL; + } + } else if (photo->type == E_CONTACT_PHOTO_TYPE_URI) { + GError *error = NULL; + + pixbuf = gdk_pixbuf_new_from_file (photo->data.uri, &error); + + if (error) { + g_error_free (error); + return NULL; + } + } else + return NULL; + + if (pixbuf) { + ClutterActor *texture; + GError *error = NULL; + + texture = texture_new_from_pixbuf (pixbuf, &error); + if (error) { + g_error_free (error); + g_object_unref (pixbuf); + return NULL; + } + + g_object_unref (pixbuf); + return texture; + } + + return NULL; +} + +static void +draw_box (cairo_t *cr, + gint width, + gint height, + gint point) +{ + cairo_move_to (cr, RADIUS, 0); + cairo_line_to (cr, width - RADIUS, 0); + cairo_arc (cr, width - RADIUS, RADIUS, RADIUS - 1, 3 * M_PI / 2.0, 0); + cairo_line_to (cr, width, height - RADIUS); + cairo_arc (cr, width - RADIUS, height - RADIUS, RADIUS - 1, 0, M_PI / 2.0); + cairo_line_to (cr, point, height); + cairo_line_to (cr, 0, height + point); + cairo_arc (cr, RADIUS, RADIUS, RADIUS - 1, M_PI, 3 * M_PI / 2.0); + cairo_close_path (cr); +} + +static void +draw_shadow (EContactMarker *marker, + gint width, + gint height, + gint point) +{ + EContactMarkerPrivate *priv = marker->priv; + ClutterActor *shadow = NULL; + cairo_t *cr; + gdouble slope; + gdouble scaling; + gint x; + cairo_matrix_t matrix; + + slope = -0.3; + scaling = 0.65; + x = -40 * slope; + + shadow = clutter_cairo_texture_new (width + x, (height + point)); + cr = clutter_cairo_texture_create (CLUTTER_CAIRO_TEXTURE (shadow)); + + cairo_set_operator (cr, CAIRO_OPERATOR_CLEAR); + cairo_paint (cr); + cairo_set_operator (cr, CAIRO_OPERATOR_OVER); + + cairo_matrix_init (&matrix, 1, 0, slope, scaling, x, 0); + cairo_set_matrix (cr, &matrix); + + draw_box (cr, width, height, point); + + cairo_set_source_rgba (cr, 0, 0, 0, 0.15); + cairo_fill (cr); + + cairo_destroy (cr); + + clutter_actor_set_position (shadow, 0, height / 2.0); + + clutter_container_add_actor (CLUTTER_CONTAINER (priv->content_group), shadow); + + if (priv->shadow != NULL) { + clutter_container_remove_actor ( + CLUTTER_CONTAINER (priv->content_group), + priv->shadow); + } + + priv->shadow = shadow; +} + +static void +draw_background (EContactMarker *marker, + gint width, + gint height, + gint point) +{ + EContactMarkerPrivate *priv = marker->priv; + ClutterActor *bg = NULL; + const ClutterColor *color; + ClutterColor darker_color; + cairo_t *cr; + + bg = clutter_cairo_texture_new (width, height + point); + cr = clutter_cairo_texture_create (CLUTTER_CAIRO_TEXTURE (bg)); + + cairo_set_operator (cr, CAIRO_OPERATOR_CLEAR); + cairo_paint (cr); + cairo_set_operator (cr, CAIRO_OPERATOR_OVER); + + /* If selected, add the selection color to the marker's color */ + if (champlain_marker_get_selected (CHAMPLAIN_MARKER (marker))) + color = champlain_marker_get_selection_color (); + else + color = &DEFAULT_COLOR; + + draw_box (cr, width, height, point); + + clutter_color_darken (color, &darker_color); + + cairo_set_source_rgba ( + cr, + color->red / 255.0, + color->green / 255.0, + color->blue / 255.0, + color->alpha / 255.0); + cairo_fill_preserve (cr); + + cairo_set_line_width (cr, 1.0); + cairo_set_source_rgba ( + cr, + darker_color.red / 255.0, + darker_color.green / 255.0, + darker_color.blue / 255.0, + darker_color.alpha / 255.0); + cairo_stroke (cr); + cairo_destroy (cr); + + clutter_container_add_actor (CLUTTER_CONTAINER (priv->content_group), bg); + + if (priv->background != NULL) { + clutter_container_remove_actor ( + CLUTTER_CONTAINER (priv->content_group), + priv->background); + } + + priv->background = bg; +} + +static void +draw_marker (EContactMarker *marker) +{ + EContactMarkerPrivate *priv = marker->priv; + ChamplainLabel *label = CHAMPLAIN_LABEL (marker); + guint height = 0, point = 0; + guint total_width = 0, total_height = 0; + ClutterText *text; + + if (priv->image) { + clutter_actor_set_position (priv->image, 2 *PADDING, 2 *PADDING); + if (clutter_actor_get_parent (priv->image) == NULL) + clutter_container_add_actor ( + CLUTTER_CONTAINER (priv->content_group), + priv->image); + } + + if (priv->text_actor == NULL) { + priv->text_actor = clutter_text_new_with_text ( + "Serif 8", + champlain_label_get_text (label)); + champlain_label_set_font_name (label, "Serif 8"); + } + + text = CLUTTER_TEXT (priv->text_actor); + clutter_text_set_text ( + text, + champlain_label_get_text (label)); + clutter_text_set_font_name ( + text, + champlain_label_get_font_name (label)); + clutter_text_set_line_alignment (text, PANGO_ALIGN_CENTER); + clutter_text_set_line_wrap (text, TRUE); + clutter_text_set_line_wrap_mode (text, PANGO_WRAP_WORD); + clutter_text_set_ellipsize ( + text, + champlain_label_get_ellipsize (label)); + clutter_text_set_attributes ( + text, + champlain_label_get_attributes (label)); + clutter_text_set_use_markup ( + text, + champlain_label_get_use_markup (label)); + + if (priv->image) { + clutter_actor_set_width ( + priv->text_actor, + clutter_actor_get_width (priv->image)); + total_height = clutter_actor_get_height (priv->image) + 2 *PADDING + + clutter_actor_get_height (priv->text_actor) + 2 *PADDING; + total_width = clutter_actor_get_width (priv->image) + 4 *PADDING; + clutter_actor_set_position ( + priv->text_actor, PADDING, + clutter_actor_get_height (priv->image) + 2 *PADDING + 3); + } else { + total_height = clutter_actor_get_height (priv->text_actor) + 2 *PADDING; + total_width = clutter_actor_get_width (priv->text_actor) + 4 *PADDING; + clutter_actor_set_position (priv->text_actor, 2 * PADDING, PADDING); + } + + height += 2 * PADDING; + if (height > total_height) + total_height = height; + + clutter_text_set_color ( + CLUTTER_TEXT (priv->text_actor), + (champlain_marker_get_selected (CHAMPLAIN_MARKER (marker)) ? + champlain_marker_get_selection_text_color () : + champlain_label_get_text_color (CHAMPLAIN_LABEL (marker)))); + if (clutter_actor_get_parent (priv->text_actor) == NULL) + clutter_container_add_actor ( + CLUTTER_CONTAINER (priv->content_group), + priv->text_actor); + + if (priv->text_actor == NULL && priv->image == NULL) { + total_width = 6 * PADDING; + total_height = 6 * PADDING; + } + + point = (total_height + 2 * PADDING) / 4.0; + priv->total_width = total_width; + priv->total_height = total_height; + + draw_shadow (marker, total_width, total_height, point); + draw_background (marker, total_width, total_height, point); + + if (priv->text_actor != NULL && priv->background != NULL) + clutter_actor_raise (priv->text_actor, priv->background); + if (priv->image != NULL && priv->background != NULL) + clutter_actor_raise (priv->image, priv->background); + + clutter_actor_set_anchor_point (CLUTTER_ACTOR (marker), 0, total_height + point); +} + +static gboolean +redraw_on_idle (gpointer gobject) +{ + EContactMarker *marker = E_CONTACT_MARKER (gobject); + + draw_marker (marker); + marker->priv->redraw_id = 0; + return FALSE; +} + +static void +queue_redraw (EContactMarker *marker) +{ + EContactMarkerPrivate *priv = marker->priv; + + if (!priv->redraw_id) { + priv->redraw_id = g_idle_add_full ( + G_PRIORITY_DEFAULT, + (GSourceFunc) redraw_on_idle, + g_object_ref (marker), + (GDestroyNotify) g_object_unref); + } +} + +static void +allocate (ClutterActor *self, + const ClutterActorBox *box, + ClutterAllocationFlags flags) +{ + ClutterActorBox child_box; + EContactMarkerPrivate *priv = E_CONTACT_MARKER (self)->priv; + + CLUTTER_ACTOR_CLASS (e_contact_marker_parent_class)->allocate (self, box, flags); + + child_box.x1 = 0; + child_box.x2 = box->x2 - box->x1; + child_box.y1 = 0; + child_box.y2 = box->y2 - box->y1; + clutter_actor_allocate (CLUTTER_ACTOR (priv->content_group), &child_box, flags); +} + +static void +paint (ClutterActor *self) +{ + EContactMarkerPrivate *priv = E_CONTACT_MARKER (self)->priv; + + clutter_actor_paint (CLUTTER_ACTOR (priv->content_group)); +} + +static void +map (ClutterActor *self) +{ + EContactMarkerPrivate *priv = E_CONTACT_MARKER (self)->priv; + + CLUTTER_ACTOR_CLASS (e_contact_marker_parent_class)->map (self); + + clutter_actor_map (CLUTTER_ACTOR (priv->content_group)); +} + +static void +unmap (ClutterActor *self) +{ + EContactMarkerPrivate *priv = E_CONTACT_MARKER (self)->priv; + + CLUTTER_ACTOR_CLASS (e_contact_marker_parent_class)->unmap (self); + + clutter_actor_unmap (CLUTTER_ACTOR (priv->content_group)); +} + +static void +pick (ClutterActor *self, + const ClutterColor *color) +{ + EContactMarkerPrivate *priv = E_CONTACT_MARKER (self)->priv; + gfloat width, height; + + if (!clutter_actor_should_pick_paint (self)) + return; + + width = priv->total_width; + height = priv->total_height; + + cogl_path_new (); + + cogl_set_source_color4ub ( + color->red, + color->green, + color->blue, + color->alpha); + + cogl_path_move_to (RADIUS, 0); + cogl_path_line_to (width - RADIUS, 0); + cogl_path_arc (width - RADIUS, RADIUS, RADIUS, RADIUS, -90, 0); + cogl_path_line_to (width, height - RADIUS); + cogl_path_arc (width - RADIUS, height - RADIUS, RADIUS, RADIUS, 0, 90); + cogl_path_line_to (RADIUS, height); + cogl_path_arc (RADIUS, height - RADIUS, RADIUS, RADIUS, 90, 180); + cogl_path_line_to (0, RADIUS); + cogl_path_arc (RADIUS, RADIUS, RADIUS, RADIUS, 180, 270); + cogl_path_close (); + cogl_path_fill (); +} + +static void +notify_selected (GObject *gobject, + G_GNUC_UNUSED GParamSpec *pspec, + G_GNUC_UNUSED gpointer user_data) +{ + queue_redraw (E_CONTACT_MARKER (gobject)); +} + +static void +e_contact_marker_finalize (GObject *object) +{ + EContactMarkerPrivate *priv = E_CONTACT_MARKER (object)->priv; + + if (priv->contact_uid) { + g_free (priv->contact_uid); + priv->contact_uid = NULL; + } + + if (priv->redraw_id) { + g_source_remove (priv->redraw_id); + priv->redraw_id = 0; + } + + G_OBJECT_CLASS (e_contact_marker_parent_class)->finalize (object); +} + +static void +e_contact_marker_dispose (GObject *object) +{ + EContactMarkerPrivate *priv = E_CONTACT_MARKER (object)->priv; + + priv->background = NULL; + priv->shadow = NULL; + priv->text_actor = NULL; + + if (priv->content_group) { + clutter_actor_unparent (CLUTTER_ACTOR (priv->content_group)); + priv->content_group = NULL; + } + + G_OBJECT_CLASS (e_contact_marker_parent_class)->dispose (object); +} + +static void +e_contact_marker_class_init (EContactMarkerClass *class) +{ + ClutterActorClass *actor_class = CLUTTER_ACTOR_CLASS (class); + GObjectClass *object_class = G_OBJECT_CLASS (class); + + g_type_class_add_private (class, sizeof (EContactMarkerPrivate)); + + object_class->dispose = e_contact_marker_dispose; + object_class->finalize = e_contact_marker_finalize; + + actor_class->paint = paint; + actor_class->allocate = allocate; + actor_class->map = map; + actor_class->unmap = unmap; + actor_class->pick = pick; + + signals[DOUBLE_CLICKED] = g_signal_new ( + "double-clicked", + G_TYPE_FROM_CLASS (class), + G_SIGNAL_RUN_FIRST, + G_STRUCT_OFFSET (EContactMarkerClass, double_clicked), + NULL, NULL, + g_cclosure_marshal_VOID__VOID, + G_TYPE_NONE, 0); +} + +static void +e_contact_marker_init (EContactMarker *marker) +{ + EContactMarkerPrivate *priv; + + priv = E_CONTACT_MARKER_GET_PRIVATE (marker); + + marker->priv = priv; + priv->contact_uid = NULL; + priv->image = NULL; + priv->background = NULL; + priv->shadow = NULL; + priv->text_actor = NULL; + priv->content_group = CLUTTER_GROUP (clutter_group_new ()); + priv->redraw_id = 0; + + clutter_actor_set_parent ( + CLUTTER_ACTOR (priv->content_group), CLUTTER_ACTOR (marker)); + clutter_actor_queue_relayout (CLUTTER_ACTOR (marker)); + + priv->total_width = 0; + priv->total_height = 0; + + g_signal_connect ( + marker, "notify::selected", + G_CALLBACK (notify_selected), NULL); + g_signal_connect ( + marker, "button-release-event", + G_CALLBACK (contact_marker_clicked_cb), NULL); +} + +ClutterActor * +e_contact_marker_new (const gchar *name, + const gchar *contact_uid, + EContactPhoto *photo) +{ + ClutterActor *marker = CLUTTER_ACTOR (g_object_new (E_TYPE_CONTACT_MARKER, NULL)); + EContactMarkerPrivate *priv = E_CONTACT_MARKER (marker)->priv; + + g_return_val_if_fail (name && *name, NULL); + g_return_val_if_fail (contact_uid && *contact_uid, NULL); + + champlain_label_set_text (CHAMPLAIN_LABEL (marker), name); + priv->contact_uid = g_strdup (contact_uid); + if (photo) + priv->image = contact_photo_to_texture (photo); + + queue_redraw (E_CONTACT_MARKER (marker)); + + return marker; +} + +const gchar * +e_contact_marker_get_contact_uid (EContactMarker *marker) +{ + g_return_val_if_fail (marker && E_IS_CONTACT_MARKER (marker), NULL); + + return marker->priv->contact_uid; +} + +#endif /* WITH_CONTACT_MAPS */ |