[evolution/tabs-rewrite] Add Tab/Tab picker under clutter.
- From: Srinivasa Ragavan <sragavan src gnome org>
- To: commits-list gnome org
- Cc:
- Subject: [evolution/tabs-rewrite] Add Tab/Tab picker under clutter.
- Date: Mon, 19 Jul 2010 03:48:18 +0000 (UTC)
commit b710150ea398501dafd4dd8d9ff7729f1f4ac633
Author: Srinivasa Ragavan <sragavan gnome org>
Date: Thu Jul 15 22:42:57 2010 +0530
Add Tab/Tab picker under clutter.
mail/e-mail-tab-picker.c | 1332 ++++++++++++++++++++++++++++++++
mail/e-mail-tab-picker.h | 112 +++
mail/e-mail-tab.c | 1901 ++++++++++++++++++++++++++++++++++++++++++++++
mail/e-mail-tab.h | 108 +++
4 files changed, 3453 insertions(+), 0 deletions(-)
---
diff --git a/mail/e-mail-tab-picker.c b/mail/e-mail-tab-picker.c
new file mode 100644
index 0000000..6e8f12f
--- /dev/null
+++ b/mail/e-mail-tab-picker.c
@@ -0,0 +1,1332 @@
+/*
+ * Borrowed from Moblin-Web-Browser: The web browser for Moblin
+ * Copyright (c) 2009, Intel Corporation.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU Lesser General Public License,
+ * version 2.1, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope 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.
+ */
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include "e-mail-tab-picker.h"
+
+static void mx_droppable_iface_init (MxDroppableIface *iface);
+static gint e_mail_tab_picker_find_tab_cb (gconstpointer a, gconstpointer b);
+
+G_DEFINE_TYPE_WITH_CODE (EMailTabPicker,
+ e_mail_tab_picker,
+ MX_TYPE_WIDGET,
+ G_IMPLEMENT_INTERFACE (MX_TYPE_DROPPABLE,
+ mx_droppable_iface_init))
+
+#define TAB_PICKER_PRIVATE(o) \
+ (G_TYPE_INSTANCE_GET_PRIVATE ((o), E_MAIL_TYPE_TAB_PICKER, EMailTabPickerPrivate))
+
+enum
+{
+ PROP_0,
+
+ PROP_PREVIEW_MODE,
+ PROP_DROP_ENABLED,
+};
+
+enum
+{
+ TAB_ACTIVATED,
+ CHOOSER_CLICKED,
+
+ LAST_SIGNAL
+};
+
+static guint signals[LAST_SIGNAL] = { 0, };
+
+typedef struct
+{
+ EMailTab *tab;
+ gfloat position;
+ gfloat width;
+ gboolean docking;
+ gboolean docked;
+} EMailTabPickerProps;
+
+struct _EMailTabPickerPrivate
+{
+ GList *tabs;
+ gint n_tabs;
+ ClutterActor *chooser_button;
+ ClutterActor *close_button;
+ gint current_tab;
+ gboolean preview_mode;
+ gboolean drop_enabled;
+ gboolean in_drag;
+ gboolean drag_preview;
+
+ gint width;
+ gint total_width;
+ gint max_offset;
+ gboolean docked_tabs;
+
+ ClutterTimeline *scroll_timeline;
+ ClutterAlpha *scroll_alpha;
+ gint scroll_start;
+ gint scroll_end;
+ gint scroll_offset;
+ gboolean keep_current_visible;
+ MxAdjustment *scroll_adjustment;
+ ClutterActor *scroll_bar;
+
+ ClutterTimeline *preview_timeline;
+ gfloat preview_progress;
+};
+
+static void
+e_mail_tab_picker_over_in (MxDroppable *droppable,
+ MxDraggable *draggable)
+{
+}
+
+static void
+e_mail_tab_picker_over_out (MxDroppable *droppable,
+ MxDraggable *draggable)
+{
+}
+
+static void
+e_mail_tab_picker_drop (MxDroppable *droppable,
+ MxDraggable *draggable,
+ gfloat event_x,
+ gfloat event_y,
+ gint button,
+ ClutterModifierType modifiers)
+{
+ GList *t;
+ EMailTabPickerProps *tab;
+ gint current_position, new_position;
+
+ EMailTabPicker *picker = E_MAIL_TAB_PICKER (droppable);
+ EMailTabPickerPrivate *priv = picker->priv;
+
+ /* Make sure this is a valid drop */
+ if (!priv->drop_enabled)
+ return;
+
+ if (!E_MAIL_IS_TAB (draggable))
+ return;
+
+ if (clutter_actor_get_parent (CLUTTER_ACTOR (draggable)) !=
+ (ClutterActor *)picker)
+ return;
+
+ /* Get current position and property data structure */
+ t = g_list_find_custom (priv->tabs, draggable, e_mail_tab_picker_find_tab_cb);
+ tab = (EMailTabPickerProps *)t->data;
+ if (!tab)
+ {
+ g_warning ("Tab that's parented to a picker not actually in picker");
+ return;
+ }
+ current_position = g_list_position (priv->tabs, t);
+
+ /* Work out new position */
+ for (new_position = 0, t = priv->tabs; t; t = t->next)
+ {
+ EMailTabPickerProps *props = t->data;
+
+ /* Ignore docked tabs */
+ if (!props->docked)
+ {
+ /* If the tab is beyond the dragged tab and not draggable,
+ * we don't want to drag past it.
+ */
+ if ((event_x >= props->position + priv->scroll_offset) &&
+ (tab->position + tab->width <= props->position) &&
+ !mx_draggable_is_enabled (MX_DRAGGABLE (props->tab)))
+ {
+ new_position --;
+ break;
+ }
+
+ /* The same check for dragging left instead of right */
+ if ((event_x < props->position + props->width + priv->scroll_offset)&&
+ (tab->position >= props->position) &&
+ !mx_draggable_is_enabled (MX_DRAGGABLE (props->tab)))
+ break;
+
+ /* If the tab-end position is after the drop position,
+ * break - we want to drop before here.
+ */
+ if (props->position + props->width + priv->scroll_offset > event_x)
+ break;
+ }
+
+ /* Increment the position */
+ new_position++;
+ }
+
+ /* Re-order */
+ e_mail_tab_picker_reorder (picker, current_position, new_position);
+}
+
+static void
+mx_droppable_iface_init (MxDroppableIface *iface)
+{
+ iface->over_in = e_mail_tab_picker_over_in;
+ iface->over_out = e_mail_tab_picker_over_out;
+ iface->drop = e_mail_tab_picker_drop;
+}
+
+static void
+e_mail_tab_picker_get_property (GObject *object, guint property_id,
+ GValue *value, GParamSpec *pspec)
+{
+ EMailTabPicker *tab_picker = E_MAIL_TAB_PICKER (object);
+ EMailTabPickerPrivate *priv = tab_picker->priv;
+
+ switch (property_id)
+ {
+ case PROP_PREVIEW_MODE:
+ g_value_set_boolean (value, e_mail_tab_picker_get_preview_mode (tab_picker));
+ break;
+
+ case PROP_DROP_ENABLED:
+ g_value_set_boolean (value, priv->drop_enabled);
+ break;
+
+ default:
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
+ }
+}
+
+static void
+e_mail_tab_picker_set_property (GObject *object, guint property_id,
+ const GValue *value, GParamSpec *pspec)
+{
+ EMailTabPicker *tab_picker = E_MAIL_TAB_PICKER (object);
+ EMailTabPickerPrivate *priv = tab_picker->priv;
+
+ switch (property_id)
+ {
+ case PROP_PREVIEW_MODE:
+ e_mail_tab_picker_set_preview_mode (tab_picker, g_value_get_boolean (value));
+ break;
+
+ case PROP_DROP_ENABLED:
+ priv->drop_enabled = g_value_get_boolean (value);
+ break;
+
+ default:
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
+ }
+}
+
+static void
+e_mail_tab_picker_dispose (GObject *object)
+{
+ EMailTabPicker *picker = E_MAIL_TAB_PICKER (object);
+ EMailTabPickerPrivate *priv = picker->priv;
+
+ if (priv->scroll_bar)
+ {
+ clutter_actor_unparent (CLUTTER_ACTOR (priv->scroll_bar));
+ priv->scroll_bar = NULL;
+ }
+
+ if (priv->scroll_timeline)
+ {
+ clutter_timeline_stop (priv->scroll_timeline);
+ g_object_unref (priv->scroll_alpha);
+ g_object_unref (priv->scroll_timeline);
+ priv->scroll_timeline = NULL;
+ priv->scroll_alpha = NULL;
+ }
+
+ if (priv->preview_timeline)
+ {
+ clutter_timeline_stop (priv->preview_timeline);
+ g_object_unref (priv->preview_timeline);
+ priv->preview_timeline = NULL;
+ }
+
+ if (priv->chooser_button)
+ {
+ clutter_actor_unparent (CLUTTER_ACTOR (priv->chooser_button));
+ priv->chooser_button = NULL;
+ }
+
+ if (priv->close_button)
+ {
+ clutter_actor_unparent (CLUTTER_ACTOR (priv->close_button));
+ priv->close_button = NULL;
+ }
+
+ while (priv->tabs)
+ {
+ EMailTabPickerProps *props = priv->tabs->data;
+ e_mail_tab_picker_remove_tab (picker, props->tab);
+ }
+
+ G_OBJECT_CLASS (e_mail_tab_picker_parent_class)->dispose (object);
+}
+
+static void
+e_mail_tab_picker_finalize (GObject *object)
+{
+ G_OBJECT_CLASS (e_mail_tab_picker_parent_class)->finalize (object);
+}
+
+static void
+e_mail_tab_picker_paint (ClutterActor *actor)
+{
+ GList *t;
+ gfloat width, height, offset;
+
+ EMailTabPickerPrivate *priv = E_MAIL_TAB_PICKER (actor)->priv;
+
+ CLUTTER_ACTOR_CLASS (e_mail_tab_picker_parent_class)->paint (actor);
+
+ clutter_actor_get_size (actor, &width, &height);
+
+ cogl_clip_push_rectangle (0, 0, width, height);
+
+ offset = priv->scroll_offset;
+ cogl_translate (-priv->scroll_offset, 0, 0);
+
+ /* Draw normal tabs */
+ for (t = priv->tabs; t; t = t->next)
+ {
+ EMailTabPickerProps *props = t->data;
+
+ if (props->docked)
+ continue;
+ if (props->position + props->width < offset)
+ continue;
+ if (props->position > width + offset)
+ break;
+
+ if (CLUTTER_ACTOR_IS_MAPPED (props->tab))
+ clutter_actor_paint (CLUTTER_ACTOR (props->tab));
+ }
+
+ cogl_translate (priv->scroll_offset, 0, 0);
+
+ /* Draw docked tabs */
+ if (priv->docked_tabs)
+ {
+ for (t = priv->tabs; t; t = t->next)
+ {
+ EMailTabPickerProps *props = t->data;
+
+ if (!props->docked)
+ continue;
+
+ if (CLUTTER_ACTOR_IS_MAPPED (props->tab))
+ clutter_actor_paint (CLUTTER_ACTOR (props->tab));
+ }
+ }
+
+ cogl_clip_pop ();
+
+ /* Draw tab chooser button */
+ if (CLUTTER_ACTOR_IS_MAPPED (priv->chooser_button))
+ clutter_actor_paint (CLUTTER_ACTOR (priv->chooser_button));
+
+ /* Draw scrollbar */
+ if (CLUTTER_ACTOR_IS_MAPPED (priv->scroll_bar))
+ {
+ gfloat height;
+ clutter_actor_get_preferred_height (CLUTTER_ACTOR (priv->close_button),
+ -1, NULL, &height);
+ height *= priv->preview_progress;
+ if (height >= 1.0)
+ {
+ cogl_clip_push_rectangle (0, 0, width, height);
+ if (CLUTTER_ACTOR_IS_MAPPED (priv->close_button))
+ clutter_actor_paint (CLUTTER_ACTOR (priv->close_button));
+ clutter_actor_paint (CLUTTER_ACTOR (priv->scroll_bar));
+ cogl_clip_pop ();
+ }
+ }
+}
+
+static void
+e_mail_tab_picker_pick (ClutterActor *actor,
+ const ClutterColor *color)
+{
+ EMailTabPickerPrivate *priv = E_MAIL_TAB_PICKER (actor)->priv;
+
+ /* Chain up to paint background */
+ CLUTTER_ACTOR_CLASS (e_mail_tab_picker_parent_class)->pick (actor, color);
+
+ if (!priv->in_drag)
+ e_mail_tab_picker_paint (actor);
+}
+
+static void
+e_mail_tab_picker_get_preferred_width (ClutterActor *actor,
+ gfloat for_height,
+ gfloat *min_width_p,
+ gfloat *natural_width_p)
+{
+ GList *t;
+ MxPadding padding;
+
+ EMailTabPickerPrivate *priv = E_MAIL_TAB_PICKER (actor)->priv;
+
+ clutter_actor_get_preferred_width (CLUTTER_ACTOR (priv->chooser_button),
+ for_height, min_width_p, natural_width_p);
+
+ mx_widget_get_padding (MX_WIDGET (actor), &padding);
+ if (min_width_p)
+ *min_width_p += padding.left + padding.right;
+ if (natural_width_p)
+ *natural_width_p += padding.left + padding.right;
+
+ for (t = priv->tabs; t; t = t->next)
+ {
+ gfloat min_width, natural_width;
+
+ EMailTabPickerProps *props = t->data;
+
+ clutter_actor_get_preferred_width (CLUTTER_ACTOR (props->tab), for_height,
+ &min_width, &natural_width);
+
+ if (min_width_p && !t->prev)
+ *min_width_p += min_width;
+ if (natural_width_p)
+ *natural_width_p += natural_width;
+ }
+}
+
+void
+e_mail_tab_picker_get_preferred_height (EMailTabPicker *tab_picker,
+ gfloat for_width,
+ gfloat *min_height_p,
+ gfloat *natural_height_p,
+ gboolean with_previews)
+{
+ MxPadding padding;
+
+ ClutterActor *actor = CLUTTER_ACTOR (tab_picker);
+ EMailTabPickerPrivate *priv = tab_picker->priv;
+
+ clutter_actor_get_preferred_height (CLUTTER_ACTOR (priv->chooser_button),
+ for_width, min_height_p, natural_height_p);
+
+ if (priv->tabs)
+ {
+ gfloat min_height, natural_height, scroll_height;
+
+ EMailTabPickerProps *props = priv->tabs->data;
+
+ /* Get the height of the first tab - it's assumed that tabs are
+ * fixed height.
+ */
+ if (with_previews)
+ {
+ clutter_actor_get_preferred_height (CLUTTER_ACTOR (props->tab),
+ for_width,
+ &min_height,
+ &natural_height);
+ if (CLUTTER_ACTOR_IS_VISIBLE (priv->scroll_bar))
+ {
+ /* Add the height of the scrollbar-section */
+ clutter_actor_get_preferred_height (
+ CLUTTER_ACTOR (priv->close_button), -1, NULL, &scroll_height);
+ scroll_height *= priv->preview_progress;
+
+ min_height += scroll_height;
+ natural_height += scroll_height;
+ }
+ }
+ else
+ e_mail_tab_get_height_no_preview (props->tab, for_width,
+ &min_height, &natural_height);
+
+ if (min_height_p && (*min_height_p < min_height))
+ *min_height_p = min_height;
+ if (natural_height_p && (*natural_height_p < natural_height))
+ *natural_height_p = natural_height;
+ }
+
+ mx_widget_get_padding (MX_WIDGET (actor), &padding);
+ if (min_height_p)
+ *min_height_p += padding.top + padding.bottom;
+ if (natural_height_p)
+ *natural_height_p += padding.top + padding.bottom;
+}
+
+static void
+_e_mail_tab_picker_get_preferred_height (ClutterActor *actor,
+ gfloat for_width,
+ gfloat *min_height_p,
+ gfloat *natural_height_p)
+{
+ e_mail_tab_picker_get_preferred_height (E_MAIL_TAB_PICKER (actor), for_width,
+ min_height_p, natural_height_p, TRUE);
+}
+
+static void
+e_mail_tab_picker_allocate_docked (EMailTabPicker *tab_picker,
+ const ClutterActorBox *picker_box_p,
+ const ClutterActorBox *chooser_box_p,
+ ClutterAllocationFlags flags)
+{
+ GList *t;
+ MxPadding padding;
+ ClutterActorBox picker_box, chooser_box, child_box;
+ gfloat offset, width, left, right, height;
+
+ EMailTabPickerPrivate *priv = tab_picker->priv;
+
+ if (!picker_box_p)
+ {
+ clutter_actor_get_allocation_box (CLUTTER_ACTOR (tab_picker),
+ &picker_box);
+ picker_box_p = &picker_box;
+ }
+ if (!chooser_box_p)
+ {
+ clutter_actor_get_allocation_box (CLUTTER_ACTOR (priv->chooser_button),
+ &chooser_box);
+ chooser_box_p = &chooser_box;
+ }
+
+ mx_widget_get_padding (MX_WIDGET (tab_picker), &padding);
+
+ /* Calculate available width and height */
+ width = picker_box_p->x2 - picker_box_p->x1 - padding.right;
+
+ e_mail_tab_picker_get_preferred_height (tab_picker, -1, NULL, &height, FALSE);
+ child_box.y2 = picker_box_p->y2 - picker_box_p->y1 - padding.bottom;
+ child_box.y1 = child_box.y2 - height;
+
+ /* Don't dock over the chooser button */
+ width -= chooser_box_p->x2 - chooser_box_p->x1;
+
+ offset = priv->scroll_offset;
+
+ left = 0;
+ right = width;
+ priv->docked_tabs = FALSE;
+
+ for (t = g_list_last (priv->tabs); t; t = t->prev)
+ {
+ EMailTabPickerProps *props = t->data;
+
+ props->docked = FALSE;
+
+ if (!props->docking)
+ continue;
+
+ if (props->position < offset)
+ {
+ /* Dock left */
+ priv->docked_tabs = TRUE;
+ props->docked = TRUE;
+ child_box.x1 = left;
+ child_box.x2 = child_box.x1 + props->width;
+ left += props->width;
+ }
+ else if (props->position + props->width > width + offset)
+ {
+ /* Dock right */
+ priv->docked_tabs = TRUE;
+ props->docked = TRUE;
+ child_box.x2 = right;
+ child_box.x1 = child_box.x2 - props->width;
+ right -= props->width;
+ }
+ else
+ {
+ child_box.x1 = props->position;
+ child_box.x2 = child_box.x1 + props->width;
+ }
+
+ clutter_actor_allocate (CLUTTER_ACTOR (props->tab), &child_box, flags);
+ }
+}
+
+static void
+e_mail_tab_picker_scroll_new_frame_cb (ClutterTimeline *timeline,
+ guint msecs,
+ EMailTabPicker *tab_picker)
+{
+ EMailTabPickerPrivate *priv = tab_picker->priv;
+ gdouble alpha = clutter_alpha_get_alpha (priv->scroll_alpha);
+
+ priv->scroll_offset = (priv->scroll_start * (1.0 - alpha)) +
+ (priv->scroll_end * alpha);
+ mx_adjustment_set_value (priv->scroll_adjustment, priv->scroll_offset);
+ e_mail_tab_picker_allocate_docked (tab_picker, NULL, NULL, 0);
+ clutter_actor_queue_redraw (CLUTTER_ACTOR (tab_picker));
+}
+
+static void
+e_mail_tab_picker_scroll_completed_cb (ClutterTimeline *timeline,
+ EMailTabPicker *tab_picker)
+{
+ EMailTabPickerPrivate *priv = tab_picker->priv;
+
+ priv->scroll_offset = priv->scroll_end;
+ mx_adjustment_set_value (priv->scroll_adjustment, priv->scroll_offset);
+ e_mail_tab_picker_allocate_docked (tab_picker, NULL, NULL, 0);
+ clutter_actor_queue_redraw (CLUTTER_ACTOR (tab_picker));
+
+ g_object_unref (priv->scroll_alpha);
+ g_object_unref (priv->scroll_timeline);
+ priv->scroll_alpha = NULL;
+ priv->scroll_timeline = NULL;
+}
+
+static void
+e_mail_tab_picker_scroll_to (EMailTabPicker *tab_picker,
+ gint destination,
+ guint duration)
+{
+ EMailTabPickerPrivate *priv = tab_picker->priv;
+
+ priv->scroll_start = priv->scroll_offset;
+ priv->scroll_end = CLAMP (destination, 0, priv->max_offset);
+
+ if (priv->scroll_timeline)
+ {
+ clutter_timeline_stop (priv->scroll_timeline);
+ clutter_timeline_rewind (priv->scroll_timeline);
+ clutter_timeline_set_duration (priv->scroll_timeline, duration);
+ }
+ else
+ {
+ if (priv->scroll_end == priv->scroll_offset)
+ return;
+
+ priv->scroll_timeline = clutter_timeline_new (duration);
+ priv->scroll_alpha = clutter_alpha_new_full (priv->scroll_timeline,
+ CLUTTER_EASE_OUT_QUAD);
+ g_signal_connect (priv->scroll_timeline, "new_frame",
+ G_CALLBACK (e_mail_tab_picker_scroll_new_frame_cb),
+ tab_picker);
+ g_signal_connect (priv->scroll_timeline, "completed",
+ G_CALLBACK (e_mail_tab_picker_scroll_completed_cb),
+ tab_picker);
+ }
+
+ clutter_timeline_start (priv->scroll_timeline);
+}
+
+static void
+e_mail_tab_picker_allocate (ClutterActor *actor,
+ const ClutterActorBox *box,
+ ClutterAllocationFlags flags)
+{
+ GList *t;
+ MxPadding padding;
+ gint old_max_offset, old_scroll_offset;
+ ClutterActorBox child_box, scroll_box;
+ gfloat width, total_width, height;
+
+ EMailTabPicker *tab_picker = E_MAIL_TAB_PICKER (actor);
+ EMailTabPickerPrivate *priv = tab_picker->priv;
+
+ mx_widget_get_padding (MX_WIDGET (actor), &padding);
+
+ /* Allocate for scroll-bar and close button */
+ clutter_actor_get_preferred_size (CLUTTER_ACTOR (priv->close_button),
+ NULL, NULL, &width, &height);
+ child_box.x1 = 0;
+ child_box.x2 = box->x2 - box->x1 - padding.right;
+ child_box.y1 = 0;
+ child_box.y2 = child_box.y1 + height;
+ clutter_actor_allocate (CLUTTER_ACTOR (priv->close_button),
+ &child_box,
+ flags);
+
+ /* FIXME: Make this a property */
+#define SPACING 4.0
+ /* Work out allocation for scroll-bar, but allocate it later */
+ scroll_box = child_box;
+ scroll_box.x2 -= width + SPACING;
+ scroll_box.x1 += SPACING;
+ scroll_box.y1 += SPACING;
+ scroll_box.y2 -= SPACING;
+
+ child_box.y1 += (height * priv->preview_progress) + padding.top;
+
+ /* Allocate for tabs */
+ total_width = 0;
+ child_box.x1 = padding.left;
+ e_mail_tab_picker_get_preferred_height (tab_picker, -1, NULL, &height, FALSE);
+ for (t = priv->tabs; t; t = t->next)
+ {
+ EMailTabPickerProps *props = t->data;
+ ClutterActor *actor = CLUTTER_ACTOR (props->tab);
+
+ clutter_actor_get_preferred_width (actor, child_box.y2, NULL, &width);
+
+ /* Fill out data - note it's ok to fill out docking here as when it
+ * changes, the tab queues a relayout.
+ */
+ props->docking = e_mail_tab_get_docking (props->tab);
+ props->position = child_box.x1;
+ props->width = width;
+
+ total_width += width;
+
+ /* Don't stretch tabs without a preview to fit tabs with a preview */
+ if (e_mail_tab_get_preview_actor (props->tab))
+ child_box.y2 = box->y2 - box->y1 - padding.bottom;
+ else
+ child_box.y2 = child_box.y1 + height;
+
+ child_box.x2 = child_box.x1 + width;
+ clutter_actor_allocate (actor, &child_box, flags);
+
+ child_box.x1 = child_box.x2;
+ }
+
+ /* Allocate for the chooser button */
+ clutter_actor_get_preferred_width (CLUTTER_ACTOR (priv->chooser_button),
+ box->y2 - box->y1, NULL, &width);
+
+ child_box.x2 = box->x2 - box->x1 - padding.right;
+ child_box.x1 = child_box.x2 - width;
+ child_box.y1 = 0;
+ child_box.y2 = child_box.y1 + height;
+ clutter_actor_allocate (CLUTTER_ACTOR (priv->chooser_button),
+ &child_box, flags);
+
+ /* Cache some useful size values */
+ priv->width = (gint)(box->x2 - box->x1);
+
+ priv->total_width = (gint)(total_width + padding.left + padding.right);
+
+ old_max_offset = priv->max_offset;
+ priv->max_offset = priv->total_width - priv->width +
+ (gint)(child_box.x2 - child_box.x1);
+ if (priv->max_offset < 0)
+ priv->max_offset = 0;
+
+ /* Allocate for tab picker */
+ old_scroll_offset = priv->scroll_offset;
+ priv->scroll_offset = CLAMP (priv->scroll_offset, 0, priv->max_offset);
+ e_mail_tab_picker_allocate_docked (tab_picker, box, &child_box, flags);
+
+ /* Chain up (store box) */
+ CLUTTER_ACTOR_CLASS (e_mail_tab_picker_parent_class)->
+ allocate (actor, box, flags);
+
+ /* Sync up the scroll-bar properties */
+ g_object_set (G_OBJECT (priv->scroll_adjustment),
+ "page-increment", (gdouble)(box->x2 - box->x1),
+ "page-size", (gdouble)(box->x2 - box->x1),
+ "upper", (gdouble)total_width,
+ NULL);
+
+ if ((priv->max_offset != old_max_offset) ||
+ (priv->scroll_offset != old_scroll_offset))
+ mx_adjustment_set_value (priv->scroll_adjustment,
+ (gdouble)priv->scroll_offset);
+
+ /* Allocate for scroll-bar */
+ clutter_actor_allocate (CLUTTER_ACTOR (priv->scroll_bar), &scroll_box, flags);
+
+ /* Keep current tab visible */
+ if (priv->keep_current_visible)
+ {
+ EMailTabPickerProps *current =
+ g_list_nth_data (priv->tabs, priv->current_tab);
+
+ if ((current->position < priv->scroll_offset) ||
+ (current->position + current->width >= priv->max_offset))
+ e_mail_tab_picker_scroll_to (tab_picker, current->position, 150);
+ }
+}
+
+static void
+e_mail_tab_picker_map (ClutterActor *actor)
+{
+ GList *t;
+ EMailTabPickerPrivate *priv = E_MAIL_TAB_PICKER (actor)->priv;
+
+ CLUTTER_ACTOR_CLASS (e_mail_tab_picker_parent_class)->map (actor);
+
+ clutter_actor_map (CLUTTER_ACTOR (priv->chooser_button));
+ clutter_actor_map (CLUTTER_ACTOR (priv->close_button));
+ clutter_actor_map (CLUTTER_ACTOR (priv->scroll_bar));
+
+ for (t = priv->tabs; t; t = t->next)
+ {
+ EMailTabPickerProps *props = t->data;
+ clutter_actor_map (CLUTTER_ACTOR (props->tab));
+ }
+}
+
+static void
+e_mail_tab_picker_unmap (ClutterActor *actor)
+{
+ GList *t;
+ EMailTabPickerPrivate *priv = E_MAIL_TAB_PICKER (actor)->priv;
+
+ CLUTTER_ACTOR_CLASS (e_mail_tab_picker_parent_class)->unmap (actor);
+
+ clutter_actor_unmap (CLUTTER_ACTOR (priv->chooser_button));
+ clutter_actor_unmap (CLUTTER_ACTOR (priv->close_button));
+ clutter_actor_unmap (CLUTTER_ACTOR (priv->scroll_bar));
+
+ for (t = priv->tabs; t; t = t->next)
+ {
+ EMailTabPickerProps *props = t->data;
+ clutter_actor_unmap (CLUTTER_ACTOR (props->tab));
+ }
+}
+
+static void
+e_mail_tab_picker_class_init (EMailTabPickerClass *klass)
+{
+ GObjectClass *object_class = G_OBJECT_CLASS (klass);
+ ClutterActorClass *actor_class = CLUTTER_ACTOR_CLASS (klass);
+
+ g_type_class_add_private (klass, sizeof (EMailTabPickerPrivate));
+
+ object_class->get_property = e_mail_tab_picker_get_property;
+ object_class->set_property = e_mail_tab_picker_set_property;
+ object_class->dispose = e_mail_tab_picker_dispose;
+ object_class->finalize = e_mail_tab_picker_finalize;
+
+ actor_class->paint = e_mail_tab_picker_paint;
+ actor_class->pick = e_mail_tab_picker_pick;
+ actor_class->get_preferred_width = e_mail_tab_picker_get_preferred_width;
+ actor_class->get_preferred_height = _e_mail_tab_picker_get_preferred_height;
+ actor_class->allocate = e_mail_tab_picker_allocate;
+ actor_class->map = e_mail_tab_picker_map;
+ actor_class->unmap = e_mail_tab_picker_unmap;
+
+ g_object_class_install_property (object_class,
+ PROP_PREVIEW_MODE,
+ g_param_spec_boolean ("preview-mode",
+ "Preview mode",
+ "Whether to display "
+ "in preview mode.",
+ FALSE,
+ G_PARAM_READWRITE |
+ G_PARAM_STATIC_NAME |
+ G_PARAM_STATIC_NICK |
+ G_PARAM_STATIC_BLURB));
+
+ g_object_class_override_property (object_class,
+ PROP_DROP_ENABLED,
+ "drop-enabled");
+
+ signals[TAB_ACTIVATED] =
+ g_signal_new ("tab-activated",
+ G_TYPE_FROM_CLASS (klass),
+ G_SIGNAL_RUN_LAST,
+ G_STRUCT_OFFSET (EMailTabPickerClass, tab_activated),
+ NULL, NULL,
+ g_cclosure_marshal_VOID__OBJECT,
+ G_TYPE_NONE, 1, E_MAIL_TYPE_TAB);
+
+ signals[CHOOSER_CLICKED] =
+ g_signal_new ("chooser-clicked",
+ G_TYPE_FROM_CLASS (klass),
+ G_SIGNAL_RUN_LAST,
+ G_STRUCT_OFFSET (EMailTabPickerClass, chooser_clicked),
+ NULL, NULL,
+ g_cclosure_marshal_VOID__VOID,
+ G_TYPE_NONE, 0);
+}
+
+static void
+e_mail_tab_picker_chooser_clicked_cb (ClutterActor *button,
+ EMailTabPicker *self)
+{
+ g_signal_emit (self, signals[CHOOSER_CLICKED], 0);
+}
+
+static gboolean
+e_mail_tab_picker_scroll_event_cb (ClutterActor *actor,
+ ClutterScrollEvent *event,
+ gpointer user_data)
+{
+ EMailTabPicker *self = E_MAIL_TAB_PICKER (actor);
+ EMailTabPickerPrivate *priv = self->priv;
+
+ priv->keep_current_visible = FALSE;
+
+ switch (event->direction)
+ {
+ case CLUTTER_SCROLL_UP :
+ case CLUTTER_SCROLL_LEFT :
+ e_mail_tab_picker_scroll_to (self, priv->scroll_end - 200, 150);
+ break;
+
+ case CLUTTER_SCROLL_DOWN :
+ case CLUTTER_SCROLL_RIGHT :
+ e_mail_tab_picker_scroll_to (self, priv->scroll_end + 200, 150);
+ break;
+ }
+
+ return TRUE;
+}
+
+static void
+e_mail_tab_picker_scroll_value_cb (MxAdjustment *adjustment,
+ GParamSpec *pspec,
+ EMailTabPicker *picker)
+{
+ EMailTabPickerPrivate *priv = picker->priv;
+ gdouble value = mx_adjustment_get_value (adjustment);
+
+ if ((gint)value != priv->scroll_offset)
+ {
+ priv->keep_current_visible = FALSE;
+ priv->scroll_offset = (gint)value;
+ clutter_actor_queue_relayout (CLUTTER_ACTOR (picker));
+ }
+}
+
+static void
+e_mail_tab_picker_init (EMailTabPicker *self)
+{
+ EMailTabPickerPrivate *priv = self->priv = TAB_PICKER_PRIVATE (self);
+
+ clutter_actor_set_reactive (CLUTTER_ACTOR (self), TRUE);
+
+ priv->chooser_button = mx_button_new ();
+ clutter_actor_set_name (CLUTTER_ACTOR (priv->chooser_button),
+ "chooser-button");
+ clutter_actor_set_parent (CLUTTER_ACTOR (priv->chooser_button),
+ CLUTTER_ACTOR (self));
+
+ priv->close_button = mx_button_new ();
+ clutter_actor_set_name (CLUTTER_ACTOR (priv->close_button),
+ "chooser-close-button");
+ clutter_actor_set_parent (CLUTTER_ACTOR (priv->close_button),
+ CLUTTER_ACTOR (self));
+ clutter_actor_hide (CLUTTER_ACTOR (priv->close_button));
+
+ priv->scroll_adjustment = mx_adjustment_new_with_values (0, 0, 0, 100, 200, 200);
+ priv->scroll_bar = mx_scroll_bar_new_with_adjustment (priv->scroll_adjustment);
+ g_object_unref (priv->scroll_adjustment);
+ clutter_actor_set_parent (CLUTTER_ACTOR (priv->scroll_bar),
+ CLUTTER_ACTOR (self));
+ clutter_actor_hide (CLUTTER_ACTOR (priv->scroll_bar));
+
+ g_signal_connect (priv->chooser_button, "clicked",
+ G_CALLBACK (e_mail_tab_picker_chooser_clicked_cb), self);
+ g_signal_connect (priv->close_button, "clicked",
+ G_CALLBACK (e_mail_tab_picker_chooser_clicked_cb), self);
+ g_signal_connect (self, "scroll-event",
+ G_CALLBACK (e_mail_tab_picker_scroll_event_cb), NULL);
+}
+
+static gint
+e_mail_tab_picker_find_tab_cb (gconstpointer a, gconstpointer b)
+{
+ EMailTabPickerProps *props = (EMailTabPickerProps *)a;
+ EMailTab *tab = (EMailTab *)b;
+
+ if (props->tab == tab)
+ return 0;
+ else
+ return -1;
+}
+
+static void
+e_mail_tab_picker_tab_clicked_cb (EMailTab *tab, EMailTabPicker *self)
+{
+ EMailTabPickerPrivate *priv = self->priv;
+ EMailTab *old_tab =
+ ((EMailTabPickerProps *)g_list_nth_data (priv->tabs, priv->current_tab))->tab;
+ GList *new_tab_link = g_list_find_custom (priv->tabs, tab,
+ e_mail_tab_picker_find_tab_cb);
+
+ if (!new_tab_link)
+ return;
+
+ priv->keep_current_visible = TRUE;
+
+ /* If the same tab is clicked, make sure we remain active and return */
+ if (tab == old_tab)
+ {
+ e_mail_tab_set_active (tab, TRUE);
+ if (priv->preview_mode)
+ g_signal_emit (self, signals[TAB_ACTIVATED], 0, tab);
+ return;
+ }
+
+ /* Deselect old tab */
+ e_mail_tab_set_active (old_tab, FALSE);
+
+ /* Set new tab */
+ priv->current_tab = g_list_position (priv->tabs, new_tab_link);
+ g_signal_emit (self, signals[TAB_ACTIVATED], 0, tab);
+}
+
+ClutterActor *
+e_mail_tab_picker_new (void)
+{
+ return g_object_new (E_MAIL_TYPE_TAB_PICKER, NULL);
+}
+
+static void
+e_mail_tab_picker_tab_drag_begin_cb (MxDraggable *draggable,
+ gfloat event_x,
+ gfloat event_y,
+ gint event_button,
+ ClutterModifierType modifiers,
+ EMailTabPicker *picker)
+{
+ EMailTabPickerPrivate *priv = picker->priv;
+ priv->in_drag = TRUE;
+
+ if (!priv->preview_mode)
+ {
+ e_mail_tab_picker_set_preview_mode (picker, TRUE);
+ priv->drag_preview = TRUE;
+ }
+}
+
+static void
+e_mail_tab_picker_tab_drag_end_cb (MxDraggable *draggable,
+ gfloat event_x,
+ gfloat event_y,
+ EMailTabPicker *picker)
+{
+ EMailTabPickerPrivate *priv = picker->priv;
+ priv->in_drag = FALSE;
+
+ if (priv->drag_preview)
+ {
+ e_mail_tab_picker_set_preview_mode (picker, FALSE);
+ priv->drag_preview = FALSE;
+ }
+}
+
+void
+e_mail_tab_picker_add_tab (EMailTabPicker *picker, EMailTab *tab, gint position)
+{
+ EMailTabPickerProps *props;
+ EMailTabPickerPrivate *priv = picker->priv;
+
+ if (priv->tabs && (priv->current_tab >= position))
+ priv->current_tab ++;
+
+ props = g_slice_new (EMailTabPickerProps);
+ props->tab = tab;
+ priv->tabs = g_list_insert (priv->tabs, props, position);
+ priv->n_tabs ++;
+
+ clutter_actor_set_parent (CLUTTER_ACTOR (tab), CLUTTER_ACTOR (picker));
+ mx_draggable_set_axis (MX_DRAGGABLE (tab), MX_DRAG_AXIS_X);
+
+ g_signal_connect_after (tab, "clicked",
+ G_CALLBACK (e_mail_tab_picker_tab_clicked_cb), picker);
+ g_signal_connect (tab, "drag-begin",
+ G_CALLBACK (e_mail_tab_picker_tab_drag_begin_cb), picker);
+ g_signal_connect (tab, "drag-end",
+ G_CALLBACK (e_mail_tab_picker_tab_drag_end_cb), picker);
+
+ e_mail_tab_set_preview_mode (tab, priv->preview_mode);
+ clutter_actor_queue_relayout (CLUTTER_ACTOR (picker));
+}
+
+void
+e_mail_tab_picker_remove_tab (EMailTabPicker *picker, EMailTab *tab)
+{
+ GList *tab_link;
+ EMailTabPickerPrivate *priv = picker->priv;
+
+ tab_link = g_list_find_custom (priv->tabs, tab, e_mail_tab_picker_find_tab_cb);
+
+ if (!tab_link)
+ return;
+
+ g_signal_handlers_disconnect_by_func (tab,
+ e_mail_tab_picker_tab_clicked_cb,
+ picker);
+ g_signal_handlers_disconnect_by_func (tab,
+ e_mail_tab_picker_tab_drag_begin_cb,
+ picker);
+ g_signal_handlers_disconnect_by_func (tab,
+ e_mail_tab_picker_tab_drag_end_cb,
+ picker);
+
+ /* We don't want to do this during dispose, checking if chooser_button
+ * exists is a way of checking if we're in dispose without keeping an
+ * extra variable around.
+ */
+ if (priv->chooser_button)
+ {
+ gint position = g_list_position (priv->tabs, tab_link);
+ if (priv->current_tab)
+ {
+ if (priv->current_tab > position)
+ priv->current_tab --;
+ else if (priv->current_tab == position)
+ e_mail_tab_picker_set_current_tab (picker, priv->current_tab - 1);
+ }
+ else if (priv->tabs->next && (position == 0))
+ {
+ e_mail_tab_picker_set_current_tab (picker, priv->current_tab + 1);
+ priv->current_tab --;
+ }
+ }
+
+ g_slice_free (EMailTabPickerProps, tab_link->data);
+ priv->tabs = g_list_delete_link (priv->tabs, tab_link);
+ clutter_actor_unparent (CLUTTER_ACTOR (tab));
+ priv->n_tabs --;
+
+ clutter_actor_queue_relayout (CLUTTER_ACTOR (picker));
+}
+
+GList *
+e_mail_tab_picker_get_tabs (EMailTabPicker *picker)
+{
+ GList *tab_list, *t;
+
+ EMailTabPickerPrivate *priv = picker->priv;
+
+ tab_list = NULL;
+ for (t = g_list_last (priv->tabs); t; t = t->prev)
+ {
+ EMailTabPickerProps *props = t->data;
+ tab_list = g_list_prepend (tab_list, props->tab);
+ }
+
+ return tab_list;
+}
+
+EMailTab *
+e_mail_tab_picker_get_tab (EMailTabPicker *picker, gint tab)
+{
+ EMailTabPickerProps *props = g_list_nth_data (picker->priv->tabs, tab);
+ return props->tab;
+}
+
+gint
+e_mail_tab_picker_get_tab_no (EMailTabPicker *picker, EMailTab *tab)
+{
+ GList *tab_link = g_list_find_custom (picker->priv->tabs, tab,
+ e_mail_tab_picker_find_tab_cb);
+ return g_list_position (picker->priv->tabs, tab_link);
+}
+
+gint
+e_mail_tab_picker_get_current_tab (EMailTabPicker *picker)
+{
+ return picker->priv->current_tab;
+}
+
+void
+e_mail_tab_picker_set_current_tab (EMailTabPicker *picker, gint tab_no)
+{
+ EMailTabPickerPrivate *priv = picker->priv;
+ EMailTabPickerProps *props;
+
+ printf("OLD %d new %d\n", priv->current_tab, tab_no);
+ if (priv->n_tabs == 0)
+ return;
+
+ if (ABS (tab_no) >= priv->n_tabs)
+ return;
+
+ if (tab_no < 0)
+ tab_no = priv->n_tabs + tab_no;
+
+ props = g_list_nth_data (priv->tabs, (guint)tab_no);
+
+ if (props)
+ {
+ e_mail_tab_picker_tab_clicked_cb (props->tab, picker);
+ e_mail_tab_set_active (props->tab, TRUE);
+ }
+}
+
+void
+e_mail_tab_picker_reorder (EMailTabPicker *picker,
+ gint old_position,
+ gint new_position)
+{
+ GList *link;
+ gpointer data;
+
+ EMailTabPickerPrivate *priv = picker->priv;
+
+ if (old_position == new_position)
+ return;
+
+ if (!(link = g_list_nth (priv->tabs, old_position)))
+ return;
+
+ data = link->data;
+ priv->tabs = g_list_delete_link (priv->tabs, link);
+ priv->tabs = g_list_insert (priv->tabs, data, new_position);
+
+ if (priv->current_tab == old_position)
+ {
+ if (new_position < 0)
+ priv->current_tab = priv->n_tabs - 1;
+ else
+ priv->current_tab = CLAMP (new_position, 0, priv->n_tabs - 1);
+ }
+ else if ((priv->current_tab > old_position) &&
+ (new_position >= priv->current_tab))
+ priv->current_tab --;
+ else if ((priv->current_tab < old_position) &&
+ (new_position <= priv->current_tab))
+ priv->current_tab ++;
+
+ clutter_actor_queue_relayout (CLUTTER_ACTOR (picker));
+}
+
+gint
+e_mail_tab_picker_get_n_tabs (EMailTabPicker *picker)
+{
+ return picker->priv->n_tabs;
+}
+
+static void
+preview_new_frame_cb (ClutterTimeline *timeline,
+ guint msecs,
+ EMailTabPicker *picker)
+{
+ picker->priv->preview_progress = clutter_timeline_get_progress (timeline);
+ clutter_actor_queue_relayout (CLUTTER_ACTOR (picker));
+}
+
+static void
+preview_completed_cb (ClutterTimeline *timeline,
+ EMailTabPicker *picker)
+{
+ EMailTabPickerPrivate *priv = picker->priv;
+
+ if (priv->preview_timeline)
+ {
+ g_object_unref (priv->preview_timeline);
+ priv->preview_timeline = NULL;
+
+ if (priv->preview_mode)
+ {
+ priv->preview_progress = 1.0;
+ clutter_actor_hide (CLUTTER_ACTOR (priv->chooser_button));
+ }
+ else
+ {
+ priv->preview_progress = 0.0;
+ clutter_actor_hide (CLUTTER_ACTOR (priv->scroll_bar));
+ clutter_actor_hide (CLUTTER_ACTOR (priv->close_button));
+ }
+ clutter_actor_queue_relayout (CLUTTER_ACTOR (picker));
+ }
+}
+
+void
+e_mail_tab_picker_set_preview_mode (EMailTabPicker *picker, gboolean preview)
+{
+ GList *t;
+
+ EMailTabPickerPrivate *priv = picker->priv;
+
+ if (priv->preview_mode == preview)
+ return;
+
+ priv->preview_mode = preview;
+
+ /* Put all tabs in preview mode */
+ for (t = priv->tabs; t; t = t->next)
+ {
+ EMailTabPickerProps *prop = t->data;
+ e_mail_tab_set_preview_mode (prop->tab, preview);
+ }
+
+ /* Slide in the scroll-bar */
+ if (!priv->preview_timeline)
+ {
+ if (preview)
+ clutter_actor_show (CLUTTER_ACTOR (priv->scroll_bar));
+
+ priv->preview_timeline = clutter_timeline_new (150);
+ g_signal_connect (priv->preview_timeline, "new-frame",
+ G_CALLBACK (preview_new_frame_cb), picker);
+ g_signal_connect (priv->preview_timeline, "completed",
+ G_CALLBACK (preview_completed_cb), picker);
+ clutter_timeline_start (priv->preview_timeline);
+ }
+ clutter_timeline_set_direction (priv->preview_timeline,
+ preview ? CLUTTER_TIMELINE_FORWARD :
+ CLUTTER_TIMELINE_BACKWARD);
+
+ /* Connect/disconnect the scrollbar */
+ if (preview)
+ g_signal_connect (priv->scroll_adjustment, "notify::value",
+ G_CALLBACK (e_mail_tab_picker_scroll_value_cb), picker);
+ else
+ g_signal_handlers_disconnect_by_func (priv->scroll_adjustment,
+ e_mail_tab_picker_scroll_value_cb,
+ picker);
+
+ if (preview)
+ {
+ /* Fade out the chooser button show close button */
+ clutter_actor_animate (CLUTTER_ACTOR (priv->chooser_button),
+ CLUTTER_EASE_IN_OUT_QUAD, 150,
+ "opacity", 0x00,
+ NULL);
+ clutter_actor_show (CLUTTER_ACTOR (priv->close_button));
+ }
+ else
+ {
+ /* Fade in the chooser button */
+ clutter_actor_show (CLUTTER_ACTOR (priv->chooser_button));
+ clutter_actor_animate (CLUTTER_ACTOR (priv->chooser_button),
+ CLUTTER_EASE_IN_OUT_QUAD, 150,
+ "opacity", 0xff,
+ NULL);
+ }
+ clutter_actor_set_reactive (CLUTTER_ACTOR (priv->chooser_button), !preview);
+
+ /* Remove the hover state, which likely got stuck when we clicked it */
+ if (!preview)
+ mx_stylable_set_style_pseudo_class (MX_STYLABLE (priv->chooser_button),
+ NULL);
+
+ g_object_notify (G_OBJECT (picker), "preview-mode");
+}
+
+gboolean
+e_mail_tab_picker_get_preview_mode (EMailTabPicker *picker)
+{
+ EMailTabPickerPrivate *priv = picker->priv;
+ return priv->preview_mode;
+}
+
+void
+e_mail_tab_picker_enable_drop (EMailTabPicker *picker, gboolean enable)
+{
+ EMailTabPickerPrivate *priv = picker->priv;
+
+ if (priv->drop_enabled == enable)
+ return;
+
+ priv->drop_enabled = enable;
+ if (enable)
+ mx_droppable_enable (MX_DROPPABLE (picker));
+ else
+ mx_droppable_disable (MX_DROPPABLE (picker));
+
+ g_object_notify (G_OBJECT (picker), "enabled");
+}
+
diff --git a/mail/e-mail-tab-picker.h b/mail/e-mail-tab-picker.h
new file mode 100644
index 0000000..7de3fac
--- /dev/null
+++ b/mail/e-mail-tab-picker.h
@@ -0,0 +1,112 @@
+/*
+ * Borrowed from Moblin-Web-Browser: The web browser for Moblin
+ * Copyright (c) 2009, Intel Corporation.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU Lesser General Public License,
+ * version 2.1, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope 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.
+ */
+
+
+#ifndef _E_MAIL_TAB_PICKER_H
+#define _E_MAIL_TAB_PICKER_H
+
+#include <glib-object.h>
+#include <clutter/clutter.h>
+#include <mx/mx.h>
+#include "e-mail-tab.h"
+
+G_BEGIN_DECLS
+
+#define E_MAIL_TYPE_TAB_PICKER e_mail_tab_picker_get_type()
+
+#define E_MAIL_TAB_PICKER(obj) \
+ (G_TYPE_CHECK_INSTANCE_CAST ((obj), \
+ E_MAIL_TYPE_TAB_PICKER, EMailTabPicker))
+
+#define E_MAIL_TAB_PICKER_CLASS(klass) \
+ (G_TYPE_CHECK_CLASS_CAST ((klass), \
+ E_MAIL_TYPE_TAB_PICKER, EMailTabPickerClass))
+
+#define E_MAIL_IS_TAB_PICKER(obj) \
+ (G_TYPE_CHECK_INSTANCE_TYPE ((obj), \
+ E_MAIL_TYPE_TAB_PICKER))
+
+#define E_MAIL_IS_TAB_PICKER_CLASS(klass) \
+ (G_TYPE_CHECK_CLASS_TYPE ((klass), \
+ E_MAIL_TYPE_TAB_PICKER))
+
+#define E_MAIL_TAB_PICKER_GET_CLASS(obj) \
+ (G_TYPE_INSTANCE_GET_CLASS ((obj), \
+ E_MAIL_TYPE_TAB_PICKER, EMailTabPickerClass))
+
+typedef struct _EMailTabPickerPrivate EMailTabPickerPrivate;
+
+typedef struct {
+ MxWidget parent;
+
+ EMailTabPickerPrivate *priv;
+} EMailTabPicker;
+
+typedef struct {
+ MxWidgetClass parent_class;
+
+ void (* tab_activated) (EMailTabPicker *picker, EMailTab *tab);
+ void (* chooser_clicked) (EMailTabPicker *picker);
+} EMailTabPickerClass;
+
+GType e_mail_tab_picker_get_type (void);
+
+ClutterActor *e_mail_tab_picker_new (void);
+
+void e_mail_tab_picker_add_tab (EMailTabPicker *picker, EMailTab *tab, gint position);
+
+void e_mail_tab_picker_remove_tab (EMailTabPicker *picker, EMailTab *tab);
+
+GList *e_mail_tab_picker_get_tabs (EMailTabPicker *picker);
+
+gint e_mail_tab_picker_get_n_tabs (EMailTabPicker *picker);
+
+EMailTab *e_mail_tab_picker_get_tab (EMailTabPicker *picker, gint tab);
+
+gint e_mail_tab_picker_get_tab_no (EMailTabPicker *picker, EMailTab *tab);
+
+gint e_mail_tab_picker_get_current_tab (EMailTabPicker *picker);
+
+void e_mail_tab_picker_set_current_tab (EMailTabPicker *picker, gint tab);
+
+void e_mail_tab_picker_reorder (EMailTabPicker *picker,
+ gint old_position,
+ gint new_position);
+
+void e_mail_tab_picker_set_tab_width (EMailTabPicker *picker,
+ gint width);
+
+gint e_mail_tab_picker_get_tab_width (EMailTabPicker *picker);
+
+void
+e_mail_tab_picker_get_preferred_height (EMailTabPicker *tab_picker,
+ gfloat for_width,
+ gfloat *min_height_p,
+ gfloat *natural_height_p,
+ gboolean with_previews);
+
+void e_mail_tab_picker_set_preview_mode (EMailTabPicker *picker, gboolean preview);
+
+gboolean e_mail_tab_picker_get_preview_mode (EMailTabPicker *picker);
+
+void e_mail_tab_picker_enable_drop (EMailTabPicker *picker, gboolean enable);
+
+G_END_DECLS
+
+#endif /* _E_MAIL_TAB_PICKER_H */
+
diff --git a/mail/e-mail-tab.c b/mail/e-mail-tab.c
new file mode 100644
index 0000000..125f174
--- /dev/null
+++ b/mail/e-mail-tab.c
@@ -0,0 +1,1901 @@
+/*
+ * Borrowed from Moblin-Web-Browser: The web browser for Moblin
+ * Copyright (c) 2009, Intel Corporation.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU Lesser General Public License,
+ * version 2.1, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope 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.
+ */
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include <math.h>
+#include <string.h>
+#include <gtk/gtk.h>
+#include "e-mail-tab.h"
+
+#define E_MAIL_PIXBOUND(u) ((gfloat)((gint)(u)))
+
+static void mx_draggable_iface_init (MxDraggableIface *iface);
+
+G_DEFINE_TYPE_WITH_CODE (EMailTab,
+ e_mail_tab,
+ MX_TYPE_WIDGET,
+ G_IMPLEMENT_INTERFACE (MX_TYPE_DRAGGABLE,
+ mx_draggable_iface_init))
+
+#define TAB_PRIVATE(o) \
+ (G_TYPE_INSTANCE_GET_PRIVATE ((o), E_MAIL_TYPE_TAB, EMailTabPrivate))
+
+enum
+{
+ PROP_0,
+
+ PROP_ICON,
+ PROP_TEXT,
+ PROP_CAN_CLOSE,
+ PROP_TAB_WIDTH,
+ PROP_DOCKING,
+ PROP_PREVIEW,
+ PROP_PREVIEW_MODE,
+ PROP_PREVIEW_DURATION,
+ PROP_SPACING,
+ PROP_PRIVATE,
+ PROP_ACTIVE,
+
+ PROP_DRAG_THRESHOLD,
+ PROP_DRAG_AXIS,
+ // PROP_DRAG_CONTAINMENT_TYPE,
+ PROP_DRAG_CONTAINMENT_AREA,
+ PROP_DRAG_ENABLED,
+ PROP_DRAG_ACTOR,
+};
+
+enum
+{
+ CLICKED,
+ CLOSED,
+ TRANSITION_COMPLETE,
+
+ LAST_SIGNAL
+};
+
+/* Animation stage lengths */
+#define TAB_S1_ANIM 0.75
+#define TAB_S2_ANIM (1.0-TAB_S1_ANIM)
+
+static guint signals[LAST_SIGNAL] = { 0, };
+
+static void e_mail_tab_close_clicked_cb (MxButton *button, EMailTab *self);
+
+struct _EMailTabPrivate
+{
+ ClutterActor *icon;
+ ClutterActor *default_icon;
+ ClutterActor *label;
+ ClutterActor *close_button;
+ gboolean can_close;
+ gint width;
+ gboolean docking;
+ gfloat spacing;
+ gboolean private;
+ guint alert_count;
+ guint alert_source;
+ gboolean has_text;
+
+ guint active : 1;
+ guint pressed : 1;
+ guint hover : 1;
+
+ ClutterActor *preview;
+ gboolean preview_mode;
+ ClutterTimeline *preview_timeline;
+ gdouble preview_height_progress;
+ guint anim_length;
+
+ ClutterActor *old_bg;
+
+ ClutterActor *drag_actor;
+ ClutterActorBox drag_area;
+ gboolean drag_enabled;
+ MxDragAxis drag_axis;
+ // MxDragContainment containment;
+ gint drag_threshold;
+ gulong drag_threshold_handler;
+ gfloat press_x;
+ gfloat press_y;
+ gboolean in_drag;
+};
+
+static void
+e_mail_tab_drag_begin (MxDraggable *draggable,
+ gfloat event_x,
+ gfloat event_y,
+ gint event_button,
+ ClutterModifierType modifiers)
+{
+ gfloat x, y;
+
+ EMailTabPrivate *priv = E_MAIL_TAB (draggable)->priv;
+ ClutterActor *self = CLUTTER_ACTOR (draggable);
+ ClutterActor *actor = mx_draggable_get_drag_actor (draggable);
+ ClutterActor *stage = clutter_actor_get_stage (self);
+
+ priv->in_drag = TRUE;
+
+ clutter_actor_get_transformed_position (self, &x, &y);
+ clutter_actor_set_position (actor, x, y);
+
+ /* Start up animation */
+ if (CLUTTER_IS_TEXTURE (actor))
+ {
+ /* TODO: Some neat deformation effect? */
+ }
+ else
+ {
+ /* Fade in */
+ clutter_actor_set_opacity (actor, 0x00);
+ clutter_actor_animate (actor, CLUTTER_LINEAR, 150,
+ "opacity", 0xff,
+ NULL);
+ }
+ clutter_container_add_actor (CLUTTER_CONTAINER (stage), actor);
+}
+
+static void
+e_mail_tab_drag_motion (MxDraggable *draggable,
+ gfloat delta_x,
+ gfloat delta_y)
+{
+ ClutterActor *actor = mx_draggable_get_drag_actor (draggable);
+ clutter_actor_move_by (actor, delta_x, delta_y);
+}
+
+static void
+e_mail_tab_drag_end_anim_cb (ClutterAnimation *animation,
+ EMailTab *tab)
+{
+ ClutterActor *actor =
+ CLUTTER_ACTOR (clutter_animation_get_object (animation));
+ ClutterActor *parent = clutter_actor_get_parent (actor);
+
+ if (parent)
+ clutter_container_remove_actor (CLUTTER_CONTAINER (parent), actor);
+}
+
+static void
+e_mail_tab_drag_end (MxDraggable *draggable,
+ gfloat event_x,
+ gfloat event_y)
+{
+ EMailTab *self = E_MAIL_TAB (draggable);
+ EMailTabPrivate *priv = self->priv;
+
+ priv->in_drag = FALSE;
+
+ if (priv->drag_actor)
+ {
+ ClutterActor *parent = clutter_actor_get_parent (priv->drag_actor);
+ if (parent)
+ {
+ /* Animate drop */
+ if (CLUTTER_IS_TEXTURE (priv->drag_actor))
+ {
+ /* TODO: Some neat deformation effect? */
+ clutter_container_remove_actor (CLUTTER_CONTAINER (parent),
+ priv->drag_actor);
+ }
+ else
+ {
+ clutter_actor_animate (priv->drag_actor, CLUTTER_LINEAR, 150,
+ "opacity", 0x00,
+ "signal::completed",
+ G_CALLBACK (e_mail_tab_drag_end_anim_cb),
+ self,
+ NULL);
+ }
+ }
+ g_object_unref (priv->drag_actor);
+ priv->drag_actor = NULL;
+ }
+}
+
+static void
+mx_draggable_iface_init (MxDraggableIface *iface)
+{
+ iface->drag_begin = e_mail_tab_drag_begin;
+ iface->drag_motion = e_mail_tab_drag_motion;
+ iface->drag_end = e_mail_tab_drag_end;
+}
+
+static void
+e_mail_tab_get_property (GObject *object, guint property_id,
+ GValue *value, GParamSpec *pspec)
+{
+ EMailTab *tab = E_MAIL_TAB (object);
+ EMailTabPrivate *priv = tab->priv;
+
+ switch (property_id)
+ {
+ case PROP_ICON:
+ g_value_set_object (value, e_mail_tab_get_icon (tab));
+ break;
+
+ case PROP_TEXT:
+ g_value_set_string (value, e_mail_tab_get_text (tab));
+ break;
+
+ case PROP_CAN_CLOSE:
+ g_value_set_boolean (value, e_mail_tab_get_can_close (tab));
+ break;
+
+ case PROP_TAB_WIDTH:
+ g_value_set_int (value, e_mail_tab_get_width (tab));
+ break;
+
+ case PROP_DOCKING:
+ g_value_set_boolean (value, e_mail_tab_get_docking (tab));
+ break;
+
+ case PROP_PREVIEW:
+ g_value_set_object (value, e_mail_tab_get_preview_actor (tab));
+ break;
+
+ case PROP_PREVIEW_MODE:
+ g_value_set_boolean (value, e_mail_tab_get_preview_mode (tab));
+ break;
+
+ case PROP_PREVIEW_DURATION:
+ g_value_set_uint (value, e_mail_tab_get_preview_duration (tab));
+ break;
+
+ case PROP_SPACING:
+ g_value_set_float (value, e_mail_tab_get_spacing (tab));
+ break;
+
+ case PROP_PRIVATE:
+ g_value_set_boolean (value, e_mail_tab_get_private (tab));
+ break;
+
+ case PROP_ACTIVE:
+ g_value_set_boolean (value, e_mail_tab_get_active (tab));
+ break;
+
+ case PROP_DRAG_THRESHOLD:
+ g_value_set_uint (value, (guint)priv->drag_threshold);
+ break;
+
+ case PROP_DRAG_AXIS:
+ g_value_set_enum (value, priv->drag_axis);
+ break;
+
+// case PROP_DRAG_CONTAINMENT_TYPE:
+ // g_value_set_enum (value, priv->containment);
+ // break;
+
+ case PROP_DRAG_CONTAINMENT_AREA:
+ g_value_set_boxed (value, &priv->drag_area);
+ break;
+
+ case PROP_DRAG_ENABLED:
+ g_value_set_boolean (value, priv->drag_enabled);
+ break;
+
+ case PROP_DRAG_ACTOR:
+ if (!priv->drag_actor)
+ {
+ ClutterActor *fbo =
+ /*clutter_texture_new_from_actor (CLUTTER_ACTOR (tab));*/
+ NULL;
+ if (fbo)
+ {
+ /* This is where we'd setup deformations, or something along
+ * those lines.
+ */
+ priv->drag_actor = g_object_ref_sink (fbo);
+ }
+ else
+ priv->drag_actor =
+ g_object_ref_sink (clutter_clone_new (CLUTTER_ACTOR (tab)));
+ }
+ g_value_set_object (value, priv->drag_actor);
+ break;
+
+ default:
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
+ }
+}
+
+static void
+e_mail_tab_set_property (GObject *object, guint property_id,
+ const GValue *value, GParamSpec *pspec)
+{
+ EMailTab *tab = E_MAIL_TAB (object);
+ EMailTabPrivate *priv = tab->priv;
+
+ switch (property_id)
+ {
+ case PROP_ICON:
+ e_mail_tab_set_icon (tab, g_value_get_object (value));
+ break;
+
+ case PROP_TEXT:
+ e_mail_tab_set_text (tab, g_value_get_string (value));
+ break;
+
+ case PROP_CAN_CLOSE:
+ e_mail_tab_set_can_close (tab, g_value_get_boolean (value));
+
+ case PROP_TAB_WIDTH:
+ e_mail_tab_set_width (tab, g_value_get_int (value));
+ break;
+
+ case PROP_DOCKING:
+ e_mail_tab_set_docking (tab, g_value_get_boolean (value));
+ break;
+
+ case PROP_PREVIEW:
+ e_mail_tab_set_preview_actor (tab,
+ CLUTTER_ACTOR (g_value_get_object (value)));
+ break;
+
+ case PROP_PREVIEW_MODE:
+ e_mail_tab_set_preview_mode (tab, g_value_get_boolean (value));
+ break;
+
+ case PROP_PREVIEW_DURATION:
+ e_mail_tab_set_preview_duration (tab, g_value_get_uint (value));
+ break;
+
+ case PROP_SPACING:
+ e_mail_tab_set_spacing (tab, g_value_get_float (value));
+ break;
+
+ case PROP_PRIVATE:
+ e_mail_tab_set_private (tab, g_value_get_boolean (value));
+ break;
+
+ case PROP_ACTIVE:
+ e_mail_tab_set_active (tab, g_value_get_boolean (value));
+ break;
+
+ case PROP_DRAG_THRESHOLD:
+ break;
+
+ case PROP_DRAG_AXIS:
+ priv->drag_axis = g_value_get_enum (value);
+ break;
+
+// case PROP_DRAG_CONTAINMENT_TYPE:
+ // priv->containment = g_value_get_enum (value);
+ // break;
+
+ case PROP_DRAG_CONTAINMENT_AREA:
+ {
+ ClutterActorBox *box = g_value_get_boxed (value);
+
+ if (box)
+ priv->drag_area = *box;
+ else
+ memset (&priv->drag_area, 0, sizeof (ClutterActorBox));
+
+ break;
+ }
+
+ case PROP_DRAG_ENABLED:
+ priv->drag_enabled = g_value_get_boolean (value);
+ break;
+
+ case PROP_DRAG_ACTOR:
+ {
+ ClutterActor *new_actor = g_value_get_object (value);
+
+ if (priv->drag_actor)
+ {
+ ClutterActor *parent = clutter_actor_get_parent (priv->drag_actor);
+
+ /* We know it's a container because we added it ourselves */
+ if (parent)
+ clutter_container_remove_actor (CLUTTER_CONTAINER (parent),
+ priv->drag_actor);
+
+ g_object_unref (priv->drag_actor);
+ priv->drag_actor = NULL;
+ }
+
+ if (new_actor)
+ priv->drag_actor = g_object_ref_sink (new_actor);
+
+ break;
+ }
+
+ default:
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
+ }
+}
+
+static void
+e_mail_tab_dispose_old_bg (EMailTab *tab)
+{
+ EMailTabPrivate *priv = tab->priv;
+
+ if (priv->old_bg)
+ {
+ if (clutter_actor_get_parent (priv->old_bg) == (ClutterActor *)tab)
+ clutter_actor_unparent (priv->old_bg);
+ g_object_unref (priv->old_bg);
+ priv->old_bg = NULL;
+ }
+}
+
+static void
+e_mail_tab_dispose (GObject *object)
+{
+ EMailTab *tab = E_MAIL_TAB (object);
+ EMailTabPrivate *priv = tab->priv;
+
+ e_mail_tab_dispose_old_bg (tab);
+
+ if (priv->icon)
+ {
+ clutter_actor_unparent (priv->icon);
+ priv->icon = NULL;
+ }
+
+ if (priv->default_icon)
+ {
+ g_object_unref (priv->default_icon);
+ priv->default_icon = NULL;
+ }
+
+ if (priv->label)
+ {
+ clutter_actor_unparent (CLUTTER_ACTOR (priv->label));
+ priv->label = NULL;
+ }
+
+ if (priv->close_button)
+ {
+ clutter_actor_unparent (CLUTTER_ACTOR (priv->close_button));
+ priv->close_button = NULL;
+ }
+
+ if (priv->preview)
+ {
+ clutter_actor_unparent (priv->preview);
+ priv->preview = NULL;
+ }
+
+ if (priv->alert_source)
+ {
+ g_source_remove (priv->alert_source);
+ priv->alert_source = 0;
+ }
+
+ if (priv->drag_actor)
+ {
+ ClutterActor *parent = clutter_actor_get_parent (priv->drag_actor);
+ if (parent)
+ clutter_container_remove_actor (CLUTTER_CONTAINER (parent),
+ priv->drag_actor);
+ g_object_unref (priv->drag_actor);
+ priv->drag_actor = NULL;
+ }
+
+ if (priv->drag_threshold_handler)
+ {
+ g_signal_handler_disconnect (gtk_settings_get_default (),
+ priv->drag_threshold_handler);
+ priv->drag_threshold_handler = 0;
+ }
+
+ G_OBJECT_CLASS (e_mail_tab_parent_class)->dispose (object);
+}
+
+static void
+e_mail_tab_finalize (GObject *object)
+{
+ G_OBJECT_CLASS (e_mail_tab_parent_class)->finalize (object);
+}
+
+static void
+e_mail_tab_get_preferred_width (ClutterActor *actor,
+ gfloat for_height,
+ gfloat *min_width_p,
+ gfloat *natural_width_p)
+{
+ MxPadding padding;
+ EMailTabPrivate *priv = E_MAIL_TAB (actor)->priv;
+
+ /* Get padding */
+ mx_widget_get_padding (MX_WIDGET (actor), &padding);
+ if (min_width_p)
+ *min_width_p = padding.left + padding.right;
+ if (natural_width_p)
+ *natural_width_p = padding.left + padding.right;
+
+ if (priv->width >= 0)
+ {
+ if (natural_width_p)
+ *natural_width_p += priv->width;
+ }
+ else
+ {
+ gfloat min_width, nat_width, acc_min_width, acc_nat_width;
+
+ acc_min_width = acc_nat_width = 0;
+
+ if (priv->has_text)
+ clutter_actor_get_preferred_size (CLUTTER_ACTOR (priv->label),
+ &acc_min_width, NULL,
+ &acc_nat_width, NULL);
+
+ if (priv->icon)
+ {
+ clutter_actor_get_preferred_size (priv->icon,
+ &min_width, NULL,
+ &nat_width, NULL);
+ acc_min_width += min_width;
+ acc_nat_width += nat_width;
+ }
+
+ if (priv->can_close)
+ {
+ clutter_actor_get_preferred_size (CLUTTER_ACTOR (priv->close_button),
+ &min_width, NULL,
+ &nat_width, NULL);
+ acc_min_width += min_width;
+ acc_nat_width += nat_width;
+ }
+
+ if (priv->preview && priv->preview_mode)
+ {
+ clutter_actor_get_preferred_size (priv->preview,
+ &min_width, NULL,
+ &nat_width, NULL);
+ if (min_width > acc_min_width)
+ acc_min_width = min_width;
+ if (nat_width > acc_nat_width)
+ acc_nat_width = nat_width;
+ }
+
+ if (min_width_p)
+ *min_width_p += acc_min_width;
+ if (natural_width_p)
+ *natural_width_p += acc_nat_width;
+ }
+}
+
+void
+e_mail_tab_get_height_no_preview (EMailTab *tab,
+ gfloat for_width,
+ gfloat *min_height_p,
+ gfloat *natural_height_p)
+{
+ MxPadding padding;
+ gfloat min_height, nat_height, tmp_min_height, tmp_nat_height;
+
+ ClutterActor *actor = CLUTTER_ACTOR (tab);
+ EMailTabPrivate *priv = tab->priv;
+
+ /* Get padding */
+ mx_widget_get_padding (MX_WIDGET (actor), &padding);
+ if (min_height_p)
+ *min_height_p = padding.top + padding.bottom;
+ if (natural_height_p)
+ *natural_height_p = padding.top + padding.bottom;
+
+ min_height = nat_height = 0;
+ if (priv->has_text)
+ clutter_actor_get_preferred_height (CLUTTER_ACTOR (priv->label), -1,
+ &min_height, &nat_height);
+
+ if (priv->icon)
+ {
+ clutter_actor_get_preferred_height (priv->icon, -1,
+ &tmp_min_height, &tmp_nat_height);
+ if (tmp_min_height > min_height)
+ min_height = tmp_min_height;
+ if (tmp_nat_height > nat_height)
+ nat_height = tmp_nat_height;
+ }
+
+ if (priv->can_close)
+ {
+ clutter_actor_get_preferred_height (CLUTTER_ACTOR (priv->close_button),
+ -1, &tmp_min_height, &tmp_nat_height);
+ if (tmp_min_height > min_height)
+ min_height = tmp_min_height;
+ if (tmp_nat_height > nat_height)
+ nat_height = tmp_nat_height;
+ }
+
+ if (min_height_p)
+ *min_height_p += min_height;
+ if (natural_height_p)
+ *natural_height_p += nat_height;
+}
+
+static void
+e_mail_tab_get_preferred_height (ClutterActor *actor,
+ gfloat for_width,
+ gfloat *min_height_p,
+ gfloat *natural_height_p)
+{
+ EMailTab *tab = E_MAIL_TAB (actor);
+ EMailTabPrivate *priv = tab->priv;
+
+ e_mail_tab_get_height_no_preview (tab, for_width,
+ min_height_p, natural_height_p);
+
+ if (priv->preview)
+ {
+ MxPadding padding;
+ gfloat min_height, nat_height, label_min_height, label_nat_height;
+
+ /* Get preview + padding height */
+ mx_widget_get_padding (MX_WIDGET (actor), &padding);
+
+ clutter_actor_get_preferred_height (priv->preview,
+ (gfloat)priv->width,
+ &min_height,
+ &nat_height);
+
+ /* Add label height */
+ clutter_actor_get_preferred_height (CLUTTER_ACTOR (priv->label), -1,
+ &label_min_height, &label_nat_height);
+
+ min_height = (min_height * priv->preview_height_progress) +
+ padding.top + padding.bottom + priv->spacing +
+ label_min_height;
+ nat_height = (nat_height * priv->preview_height_progress) +
+ padding.top + padding.bottom + priv->spacing +
+ label_nat_height;
+
+ /* Sometimes the preview's natural height will be nan due to
+ * keeping of the aspect ratio. This guards against that and stops
+ * Clutter from warning that the natural height is less than the
+ * minimum height.
+ */
+ if (isnan (nat_height))
+ nat_height = min_height;
+
+ if (min_height_p && (min_height > *min_height_p))
+ *min_height_p = min_height;
+ if (natural_height_p && (nat_height > *natural_height_p))
+ *natural_height_p = nat_height;
+ }
+}
+
+static void
+e_mail_tab_allocate (ClutterActor *actor,
+ const ClutterActorBox *box,
+ ClutterAllocationFlags flags)
+{
+ MxPadding padding;
+ ClutterActorBox child_box;
+ gfloat icon_width, icon_height, label_width, label_height,
+ close_width, close_height, preview_width, preview_height;
+
+ EMailTabPrivate *priv = E_MAIL_TAB (actor)->priv;
+
+ /* Chain up to store box */
+ CLUTTER_ACTOR_CLASS (e_mail_tab_parent_class)->allocate (actor, box, flags);
+
+ /* Possibly synchronise an axis if we're dragging */
+ if (priv->in_drag)
+ {
+ ClutterActor *drag_actor =
+ mx_draggable_get_drag_actor (MX_DRAGGABLE (actor));
+
+ if (drag_actor)
+ {
+ gfloat x, y;
+ clutter_actor_get_transformed_position (actor, &x, &y);
+ switch (mx_draggable_get_axis (MX_DRAGGABLE (actor)))
+ {
+ case MX_DRAG_AXIS_X :
+ /* Synchronise y axis */
+ clutter_actor_set_y (drag_actor, y);
+ break;
+ case MX_DRAG_AXIS_Y :
+ /* Synchronise x axis */
+ clutter_actor_set_x (drag_actor, x);
+ break;
+ default :
+ break;
+ }
+ }
+ }
+
+ /* Allocate old background texture */
+ if (priv->old_bg)
+ {
+ child_box.x1 = 0;
+ child_box.y1 = 0;
+ child_box.x2 = box->x2 - box->x1;
+ child_box.y2 = box->y2 - box->y1;
+ clutter_actor_allocate (priv->old_bg, &child_box, flags);
+ }
+
+ mx_widget_get_padding (MX_WIDGET (actor), &padding);
+
+ /* Get the preferred width/height of the icon, label and close-button first */
+ if (priv->icon)
+ clutter_actor_get_preferred_size (priv->icon, NULL, NULL,
+ &icon_width, &icon_height);
+ clutter_actor_get_preferred_size (CLUTTER_ACTOR (priv->label), NULL, NULL,
+ &label_width, &label_height);
+ if (priv->can_close)
+ clutter_actor_get_preferred_size (CLUTTER_ACTOR (priv->close_button),
+ NULL, NULL, &close_width, &close_height);
+
+ /* Allocate for icon */
+ if (priv->icon)
+ {
+ child_box.x1 = padding.left;
+ child_box.x2 = child_box.x1 + icon_width;
+ child_box.y1 = E_MAIL_PIXBOUND ((box->y2 - box->y1)/2 - icon_height/2);
+ child_box.y2 = child_box.y1 + icon_height;
+ clutter_actor_allocate (priv->icon, &child_box, flags);
+ }
+
+ /* Allocate for close button */
+ if (priv->can_close)
+ {
+ child_box.x2 = box->x2 - box->x1 - padding.right;
+ child_box.x1 = child_box.x2 - close_width;
+ child_box.y1 = E_MAIL_PIXBOUND ((box->y2 - box->y1)/2 - close_height/2);
+ child_box.y2 = child_box.y1 + close_height;
+ clutter_actor_allocate (CLUTTER_ACTOR (priv->close_button),
+ &child_box,
+ flags);
+ }
+
+ /* Allocate for preview widget */
+ preview_height = 0;
+ if (priv->preview)
+ {
+ preview_width = (box->x2 - box->x1 - padding.left - padding.right);
+ preview_height = (box->y2 - box->y1 - padding.top - padding.bottom -
+ priv->spacing - label_height);
+
+ child_box.x1 = E_MAIL_PIXBOUND (padding.left);
+ child_box.y1 = E_MAIL_PIXBOUND (padding.top);
+ child_box.x2 = child_box.x1 + preview_width;
+ child_box.y2 = child_box.y1 + preview_height;
+ clutter_actor_allocate (priv->preview, &child_box, flags);
+ }
+
+ /* Allocate for label */
+ if ((priv->preview_height_progress <= TAB_S1_ANIM) || (!priv->preview))
+ {
+ if (priv->icon)
+ child_box.x1 = E_MAIL_PIXBOUND (padding.left + icon_width + priv->spacing);
+ else
+ child_box.x1 = E_MAIL_PIXBOUND (padding.left);
+ child_box.x2 = (box->x2 - box->x1 - padding.right);
+ child_box.y1 = E_MAIL_PIXBOUND ((box->y2 - box->y1)/2 - label_height/2);
+ child_box.y2 = child_box.y1 + label_height;
+
+ /* If close button is visible, don't overlap it */
+ if (priv->can_close)
+ child_box.x2 -= close_width + priv->spacing;
+ }
+ else
+ {
+ /* Put label underneath preview */
+ child_box.x1 = E_MAIL_PIXBOUND (padding.left);
+ child_box.x2 = (box->x2 - box->x1 - padding.right);
+ child_box.y1 = E_MAIL_PIXBOUND (padding.top + preview_height +
+ priv->spacing);
+ child_box.y2 = child_box.y1 + label_height;
+ }
+
+ clutter_actor_allocate (CLUTTER_ACTOR (priv->label), &child_box, flags);
+
+ /* If we're in preview mode, re-allocate the background so it doesn't
+ * encompass the label. (A bit hacky?)
+ */
+ if (priv->preview && CLUTTER_ACTOR_IS_VISIBLE (priv->preview))
+ {
+ gfloat max_height = padding.top + padding.bottom + preview_height;
+ if (box->y2 - box->y1 > max_height)
+ {
+ MxWidget *widget = MX_WIDGET (actor);
+ ClutterActor *background = mx_widget_get_border_image (widget);
+
+ if (!background)
+ background = mx_widget_get_background_image (widget);
+
+ child_box.x1 = 0;
+ child_box.x2 = box->x2 - box->x1;
+ child_box.y1 = 0;
+ child_box.y2 = max_height;
+
+ if (background)
+ clutter_actor_allocate (background, &child_box, flags);
+ if (priv->old_bg && (priv->old_bg != background))
+ clutter_actor_allocate (priv->old_bg, &child_box, flags);
+ }
+ }
+}
+
+static void
+e_mail_tab_paint (ClutterActor *actor)
+{
+ EMailTabPrivate *priv = E_MAIL_TAB (actor)->priv;
+
+ /* Chain up to paint background */
+ CLUTTER_ACTOR_CLASS (e_mail_tab_parent_class)->paint (actor);
+
+ if (priv->old_bg)
+ clutter_actor_paint (priv->old_bg);
+
+ if (priv->icon)
+ clutter_actor_paint (priv->icon);
+
+ clutter_actor_paint (CLUTTER_ACTOR (priv->label));
+
+ if (priv->can_close)
+ clutter_actor_paint (CLUTTER_ACTOR (priv->close_button));
+
+ if (priv->preview)
+ clutter_actor_paint (CLUTTER_ACTOR (priv->preview));
+}
+
+static void
+e_mail_tab_pick (ClutterActor *actor, const ClutterColor *c)
+{
+ CLUTTER_ACTOR_CLASS (e_mail_tab_parent_class)->pick (actor, c);
+
+ if (clutter_actor_should_pick_paint (actor))
+ e_mail_tab_paint (actor);
+}
+
+static void
+e_mail_tab_map (ClutterActor *actor)
+{
+ EMailTabPrivate *priv = E_MAIL_TAB (actor)->priv;
+
+ CLUTTER_ACTOR_CLASS (e_mail_tab_parent_class)->map (actor);
+
+ clutter_actor_map (CLUTTER_ACTOR (priv->label));
+ clutter_actor_map (CLUTTER_ACTOR (priv->close_button));
+ if (priv->icon)
+ clutter_actor_map (priv->icon);
+ if (priv->preview)
+ clutter_actor_map (priv->preview);
+ if (priv->old_bg)
+ clutter_actor_map (priv->old_bg);
+}
+
+static void
+e_mail_tab_unmap (ClutterActor *actor)
+{
+ EMailTabPrivate *priv = E_MAIL_TAB (actor)->priv;
+
+ CLUTTER_ACTOR_CLASS (e_mail_tab_parent_class)->unmap (actor);
+
+ clutter_actor_unmap (CLUTTER_ACTOR (priv->label));
+ clutter_actor_unmap (CLUTTER_ACTOR (priv->close_button));
+ if (priv->icon)
+ clutter_actor_unmap (priv->icon);
+ if (priv->preview)
+ clutter_actor_unmap (priv->preview);
+ if (priv->old_bg)
+ clutter_actor_unmap (priv->old_bg);
+}
+
+static gboolean
+e_mail_tab_button_press_event (ClutterActor *actor,
+ ClutterButtonEvent *event)
+{
+ EMailTabPrivate *priv = E_MAIL_TAB (actor)->priv;
+
+ if (event->button == 1)
+ {
+ mx_stylable_set_style_pseudo_class (MX_STYLABLE (actor), "active");
+ clutter_grab_pointer (actor);
+ priv->pressed = TRUE;
+
+ priv->press_x = event->x;
+ priv->press_y = event->y;
+ }
+
+ /* We have to always return false, or dragging won't work */
+ return FALSE;
+}
+
+static gboolean
+e_mail_tab_button_release_event (ClutterActor *actor,
+ ClutterButtonEvent *event)
+{
+ EMailTab *tab = E_MAIL_TAB (actor);
+ EMailTabPrivate *priv = tab->priv;
+
+ if (priv->pressed)
+ {
+ clutter_ungrab_pointer ();
+ priv->pressed = FALSE;
+
+ /* Note, no need to set the pseudo class here as clicking always results
+ * in being set active.
+ */
+ if (priv->hover)
+ {
+ if (!priv->active)
+ e_mail_tab_set_active (tab, TRUE);
+
+ g_signal_emit (actor, signals[CLICKED], 0);
+ }
+ }
+
+ return FALSE;
+}
+
+static gboolean
+e_mail_tab_motion_event (ClutterActor *actor,
+ ClutterMotionEvent *event)
+{
+ EMailTab *tab = E_MAIL_TAB (actor);
+ EMailTabPrivate *priv = tab->priv;
+
+ if (priv->pressed && priv->drag_enabled)
+ {
+ if ((ABS (event->x - priv->press_x) >= priv->drag_threshold) ||
+ (ABS (event->y - priv->press_y) >= priv->drag_threshold))
+ {
+ /* Ungrab the pointer so that the MxDraggable code can take over */
+ clutter_ungrab_pointer ();
+ priv->pressed = FALSE;
+ if (!priv->active)
+ {
+ if (priv->hover)
+ mx_stylable_set_style_pseudo_class (MX_STYLABLE (actor),
+ "hover");
+ else
+ mx_stylable_set_style_pseudo_class (MX_STYLABLE (actor), NULL);
+ }
+ }
+ }
+
+ return FALSE;
+}
+
+static gboolean
+e_mail_tab_enter_event (ClutterActor *actor,
+ ClutterCrossingEvent *event)
+{
+ EMailTabPrivate *priv = E_MAIL_TAB (actor)->priv;
+
+ if (event->source != actor)
+ return FALSE;
+
+ priv->hover = TRUE;
+
+ if (priv->pressed)
+ mx_stylable_set_style_pseudo_class (MX_STYLABLE (actor), "active");
+ else if (!priv->active)
+ mx_stylable_set_style_pseudo_class (MX_STYLABLE (actor), "hover");
+
+ return FALSE;
+}
+
+static gboolean
+e_mail_tab_leave_event (ClutterActor *actor,
+ ClutterCrossingEvent *event)
+{
+ EMailTabPrivate *priv = E_MAIL_TAB (actor)->priv;
+
+ if ((event->source != actor) ||
+ (event->related == (ClutterActor *)priv->close_button))
+ return FALSE;
+
+ priv->hover = FALSE;
+
+ if (!priv->active)
+ mx_stylable_set_style_pseudo_class (MX_STYLABLE (actor), NULL);
+
+ return FALSE;
+}
+
+static void
+e_mail_tab_class_init (EMailTabClass *klass)
+{
+ GObjectClass *object_class = G_OBJECT_CLASS (klass);
+ ClutterActorClass *actor_class = CLUTTER_ACTOR_CLASS (klass);
+
+ g_type_class_add_private (klass, sizeof (EMailTabPrivate));
+
+ object_class->get_property = e_mail_tab_get_property;
+ object_class->set_property = e_mail_tab_set_property;
+ object_class->dispose = e_mail_tab_dispose;
+ object_class->finalize = e_mail_tab_finalize;
+
+ actor_class->get_preferred_width = e_mail_tab_get_preferred_width;
+ actor_class->get_preferred_height = e_mail_tab_get_preferred_height;
+ actor_class->button_press_event = e_mail_tab_button_press_event;
+ actor_class->button_release_event = e_mail_tab_button_release_event;
+ actor_class->motion_event = e_mail_tab_motion_event;
+ actor_class->enter_event = e_mail_tab_enter_event;
+ actor_class->leave_event = e_mail_tab_leave_event;
+ actor_class->allocate = e_mail_tab_allocate;
+ actor_class->paint = e_mail_tab_paint;
+ actor_class->pick = e_mail_tab_pick;
+ actor_class->map = e_mail_tab_map;
+ actor_class->unmap = e_mail_tab_unmap;
+
+ g_object_class_install_property (object_class,
+ PROP_ICON,
+ g_param_spec_object ("icon",
+ "Icon",
+ "Icon actor.",
+ CLUTTER_TYPE_ACTOR,
+ G_PARAM_READWRITE |
+ G_PARAM_STATIC_NAME |
+ G_PARAM_STATIC_NICK |
+ G_PARAM_STATIC_BLURB));
+
+ g_object_class_install_property (object_class,
+ PROP_TEXT,
+ g_param_spec_string ("text",
+ "Text",
+ "Tab text.",
+ "",
+ G_PARAM_READWRITE |
+ G_PARAM_STATIC_NAME |
+ G_PARAM_STATIC_NICK |
+ G_PARAM_STATIC_BLURB));
+
+ g_object_class_install_property (object_class,
+ PROP_CAN_CLOSE,
+ g_param_spec_boolean ("can-close",
+ "Can close",
+ "Whether the tab can "
+ "close.",
+ TRUE,
+ G_PARAM_READWRITE |
+ G_PARAM_STATIC_NAME |
+ G_PARAM_STATIC_NICK |
+ G_PARAM_STATIC_BLURB));
+
+ g_object_class_install_property (object_class,
+ PROP_TAB_WIDTH,
+ g_param_spec_int ("tab-width",
+ "Tab width",
+ "Tab width.",
+ -1, G_MAXINT, -1,
+ G_PARAM_READWRITE |
+ G_PARAM_STATIC_NAME |
+ G_PARAM_STATIC_NICK |
+ G_PARAM_STATIC_BLURB));
+
+ g_object_class_install_property (object_class,
+ PROP_DOCKING,
+ g_param_spec_boolean ("docking",
+ "Docking",
+ "Whether the tab "
+ "should dock to edges "
+ "when scrolled.",
+ FALSE,
+ G_PARAM_READWRITE |
+ G_PARAM_STATIC_NAME |
+ G_PARAM_STATIC_NICK |
+ G_PARAM_STATIC_BLURB));
+
+ g_object_class_install_property (object_class,
+ PROP_PREVIEW,
+ g_param_spec_object ("preview",
+ "Preview actor",
+ "ClutterActor used "
+ "when in preview mode.",
+ CLUTTER_TYPE_ACTOR,
+ G_PARAM_READWRITE |
+ G_PARAM_STATIC_NAME |
+ G_PARAM_STATIC_NICK |
+ G_PARAM_STATIC_BLURB));
+
+ g_object_class_install_property (object_class,
+ PROP_PREVIEW_MODE,
+ g_param_spec_boolean ("preview-mode",
+ "Preview mode",
+ "Whether to display "
+ "in preview mode.",
+ FALSE,
+ G_PARAM_READWRITE |
+ G_PARAM_STATIC_NAME |
+ G_PARAM_STATIC_NICK |
+ G_PARAM_STATIC_BLURB));
+
+ g_object_class_install_property (object_class,
+ PROP_PREVIEW_DURATION,
+ g_param_spec_uint ("preview-duration",
+ "Preview duration",
+ "How long the transition "
+ "between preview mode "
+ "states lasts, in ms.",
+ 0, G_MAXUINT, 200,
+ G_PARAM_READWRITE |
+ G_PARAM_STATIC_NAME |
+ G_PARAM_STATIC_NICK |
+ G_PARAM_STATIC_BLURB));
+
+ g_object_class_install_property (object_class,
+ PROP_SPACING,
+ g_param_spec_float ("spacing",
+ "Spacing",
+ "Spacing between "
+ "tab elements.",
+ 0, G_MAXFLOAT,
+ 6.0,
+ G_PARAM_READWRITE |
+ G_PARAM_STATIC_NAME |
+ G_PARAM_STATIC_NICK |
+ G_PARAM_STATIC_BLURB));
+
+ g_object_class_install_property (object_class,
+ PROP_PRIVATE,
+ g_param_spec_boolean ("private",
+ "Private",
+ "Set if the tab is "
+ "'private'.",
+ FALSE,
+ G_PARAM_READWRITE |
+ G_PARAM_STATIC_NAME |
+ G_PARAM_STATIC_NICK |
+ G_PARAM_STATIC_BLURB));
+
+ g_object_class_install_property (object_class,
+ PROP_ACTIVE,
+ g_param_spec_boolean ("active",
+ "Active",
+ "Set if the tab is "
+ "active.",
+ FALSE,
+ G_PARAM_READWRITE |
+ G_PARAM_STATIC_NAME |
+ G_PARAM_STATIC_NICK |
+ G_PARAM_STATIC_BLURB));
+
+ g_object_class_override_property (object_class,
+ PROP_DRAG_THRESHOLD,
+ "drag-threshold");
+ g_object_class_override_property (object_class,
+ PROP_DRAG_AXIS,
+ "axis");
+ // g_object_class_override_property (object_class,
+ // PROP_DRAG_CONTAINMENT_TYPE,
+ // "containment-type");
+ g_object_class_override_property (object_class,
+ PROP_DRAG_CONTAINMENT_AREA,
+ "containment-area");
+ g_object_class_override_property (object_class,
+ PROP_DRAG_ENABLED,
+ "drag-enabled");
+ g_object_class_override_property (object_class,
+ PROP_DRAG_ACTOR,
+ "drag-actor");
+
+ signals[CLICKED] =
+ g_signal_new ("clicked",
+ G_TYPE_FROM_CLASS (klass),
+ G_SIGNAL_RUN_LAST,
+ G_STRUCT_OFFSET (EMailTabClass, clicked),
+ NULL, NULL,
+ g_cclosure_marshal_VOID__VOID,
+ G_TYPE_NONE, 0);
+
+ signals[CLOSED] =
+ g_signal_new ("closed",
+ G_TYPE_FROM_CLASS (klass),
+ G_SIGNAL_RUN_LAST,
+ G_STRUCT_OFFSET (EMailTabClass, closed),
+ NULL, NULL,
+ g_cclosure_marshal_VOID__VOID,
+ G_TYPE_NONE, 0);
+
+ signals[TRANSITION_COMPLETE] =
+ g_signal_new ("transition-complete",
+ G_TYPE_FROM_CLASS (klass),
+ G_SIGNAL_RUN_LAST,
+ G_STRUCT_OFFSET (EMailTabClass, transition_complete),
+ NULL, NULL,
+ g_cclosure_marshal_VOID__VOID,
+ G_TYPE_NONE, 0);
+}
+
+static void
+e_mail_tab_close_clicked_cb (MxButton *button, EMailTab *self)
+{
+ g_signal_emit (self, signals[CLOSED], 0);
+}
+
+static void
+e_mail_tab_anim_completed_cb (ClutterAnimation *animation,
+ EMailTab *tab)
+{
+ e_mail_tab_dispose_old_bg (tab);
+}
+
+static void
+e_mail_tab_style_changed_cb (MxWidget *widget)
+{
+ EMailTabPrivate *priv = E_MAIL_TAB (widget)->priv;
+
+ /* Don't transition on hover */
+ if (g_strcmp0 (mx_stylable_get_style_pseudo_class (MX_STYLABLE (widget)),
+ "hover") == 0)
+ return;
+
+ if (priv->old_bg)
+ {
+ if (!clutter_actor_get_parent (priv->old_bg))
+ {
+ ClutterActorBox box;
+ ClutterActor *background;
+ ClutterActor *actor = CLUTTER_ACTOR (widget);
+
+ clutter_actor_set_parent (priv->old_bg, actor);
+
+ /* Try to allocate the same size as the background widget,
+ * otherwise allocate the same size as the widget itself.
+ */
+ background = mx_widget_get_border_image (widget);
+ if (!background)
+ background = mx_widget_get_background_image (widget);
+
+ if (background)
+ clutter_actor_get_allocation_box (background, &box);
+ else
+ {
+ clutter_actor_get_allocation_box (actor, &box);
+ box.x2 -= box.x1;
+ box.y2 -= box.y1;
+ box.x1 = 0;
+ box.y1 = 0;
+ }
+
+ clutter_actor_allocate (priv->old_bg, &box, 0);
+ }
+
+ clutter_actor_animate (priv->old_bg,
+ CLUTTER_LINEAR,
+ 150,
+ "opacity", 0,
+ "signal::completed",
+ G_CALLBACK (e_mail_tab_anim_completed_cb),
+ widget,
+ NULL);
+ }
+}
+
+static void
+e_mail_tab_stylable_changed_cb (MxStylable *stylable)
+{
+ EMailTab *tab = E_MAIL_TAB (stylable);
+ EMailTabPrivate *priv = tab->priv;
+
+ e_mail_tab_dispose_old_bg (tab);
+
+ priv->old_bg = mx_widget_get_border_image (MX_WIDGET (tab));
+ if (priv->old_bg)
+ g_object_ref (priv->old_bg);
+}
+
+static void
+e_mail_tab_dnd_notify_cb (GObject *settings,
+ GParamSpec *pspec,
+ EMailTab *tab)
+{
+ g_object_get (settings,
+ "gtk-dnd-drag-threshold", &tab->priv->drag_threshold,
+ NULL);
+}
+
+static void
+e_mail_tab_init (EMailTab *self)
+{
+ ClutterActor *text;
+ GtkSettings *settings;
+
+ EMailTabPrivate *priv = self->priv = TAB_PRIVATE (self);
+
+ priv->width = -1;
+ priv->anim_length = 200;
+ priv->spacing = 6.0;
+ priv->can_close = TRUE;
+
+ priv->label = mx_label_new ();
+ g_object_set (G_OBJECT (priv->label), "clip-to-allocation", TRUE, NULL);
+ text = mx_label_get_clutter_text (MX_LABEL (priv->label));
+ clutter_text_set_ellipsize (CLUTTER_TEXT (text), PANGO_ELLIPSIZE_END);
+ clutter_actor_set_parent (CLUTTER_ACTOR (priv->label),
+ CLUTTER_ACTOR (self));
+
+ priv->close_button = mx_button_new ();
+ clutter_actor_set_name (CLUTTER_ACTOR (priv->close_button),
+ "tab-close-button");
+ clutter_actor_set_parent (CLUTTER_ACTOR (priv->close_button),
+ CLUTTER_ACTOR (self));
+
+ g_signal_connect (priv->close_button, "clicked",
+ G_CALLBACK (e_mail_tab_close_clicked_cb), self);
+
+ /* Connect up styling signals */
+ g_signal_connect (self, "style-changed",
+ G_CALLBACK (e_mail_tab_style_changed_cb), NULL);
+ g_signal_connect (self, "stylable-changed",
+ G_CALLBACK (e_mail_tab_stylable_changed_cb), NULL);
+
+ clutter_actor_set_reactive (CLUTTER_ACTOR (self), TRUE);
+
+ settings = gtk_settings_get_default ();
+ priv->drag_threshold_handler =
+ g_signal_connect (settings, "notify::gtk-dnd-drag-threshold",
+ G_CALLBACK (e_mail_tab_dnd_notify_cb), self);
+ g_object_get (G_OBJECT (settings),
+ "gtk-dnd-drag-threshold", &priv->drag_threshold,
+ NULL);
+}
+
+ClutterActor *
+e_mail_tab_new (void)
+{
+ return g_object_new (E_MAIL_TYPE_TAB, NULL);
+}
+
+ClutterActor *
+e_mail_tab_new_full (const gchar *text, ClutterActor *icon, gint width)
+{
+ return g_object_new (E_MAIL_TYPE_TAB,
+ "text", text,
+ "icon", icon,
+ "tab-width", width, NULL);
+}
+
+void
+e_mail_tab_set_text (EMailTab *tab, const gchar *text)
+{
+ EMailTabPrivate *priv = tab->priv;
+
+ if (!text)
+ text = "";
+
+ priv->has_text = (text[0] != '\0');
+
+ if (priv->label)
+ mx_label_set_text (MX_LABEL (priv->label), text);
+
+ g_object_notify (G_OBJECT (tab), "text");
+}
+
+void
+e_mail_tab_set_default_icon (EMailTab *tab,
+ ClutterActor *icon)
+{
+ EMailTabPrivate *priv = tab->priv;
+ gboolean changed = !priv->icon || (priv->icon == priv->default_icon);
+
+ if (icon)
+ g_object_ref_sink (icon);
+
+ if (priv->default_icon)
+ g_object_unref (priv->default_icon);
+
+ priv->default_icon = icon;
+
+ if (changed)
+ e_mail_tab_set_icon (tab, NULL);
+}
+
+void
+e_mail_tab_set_icon (EMailTab *tab, ClutterActor *icon)
+{
+ EMailTabPrivate *priv = tab->priv;
+
+ /* passing NULL for icon will use default icon if available */
+
+ if (priv->icon)
+ clutter_actor_unparent (priv->icon);
+
+ if (icon)
+ priv->icon = icon;
+ else
+ priv->icon = priv->default_icon;
+
+ if (priv->icon)
+ {
+ clutter_actor_set_parent (priv->icon, CLUTTER_ACTOR (tab));
+ }
+
+ clutter_actor_queue_relayout (CLUTTER_ACTOR (tab));
+
+ g_object_notify (G_OBJECT (tab), "icon");
+}
+
+const gchar *
+e_mail_tab_get_text (EMailTab *tab)
+{
+ EMailTabPrivate *priv = tab->priv;
+
+ if (priv->label)
+ return mx_label_get_text (MX_LABEL (priv->label));
+ else
+ return NULL;
+}
+
+ClutterActor *
+e_mail_tab_get_icon (EMailTab *tab)
+{
+ EMailTabPrivate *priv = tab->priv;
+ return priv->icon == priv->default_icon ? NULL : priv->icon;
+}
+
+void
+e_mail_tab_set_can_close (EMailTab *tab, gboolean can_close)
+{
+ EMailTabPrivate *priv = tab->priv;
+
+ if (priv->can_close == can_close)
+ return;
+
+ priv->can_close = can_close;
+
+ clutter_actor_queue_relayout (CLUTTER_ACTOR (tab));
+
+ g_object_notify (G_OBJECT (tab), "can-close");
+}
+
+gboolean
+e_mail_tab_get_can_close (EMailTab *tab)
+{
+ return tab->priv->can_close;
+}
+
+void
+e_mail_tab_set_width (EMailTab *tab,
+ gint width)
+{
+ EMailTabPrivate *priv = tab->priv;
+
+ if (priv->width == width)
+ return;
+
+ priv->width = width;
+
+ clutter_actor_queue_relayout (CLUTTER_ACTOR (tab));
+
+ g_object_notify (G_OBJECT (tab), "tab-width");
+}
+
+gint
+e_mail_tab_get_width (EMailTab *tab)
+{
+ EMailTabPrivate *priv = tab->priv;
+ return priv->width;
+}
+
+void
+e_mail_tab_set_docking (EMailTab *tab,
+ gboolean docking)
+{
+ EMailTabPrivate *priv = tab->priv;
+
+ if (priv->docking == docking)
+ return;
+
+ priv->docking = docking;
+
+ clutter_actor_queue_relayout (CLUTTER_ACTOR (tab));
+
+ g_object_notify (G_OBJECT (tab), "docking");
+}
+
+gboolean
+e_mail_tab_get_docking (EMailTab *tab)
+{
+ EMailTabPrivate *priv = tab->priv;
+ return priv->docking;
+}
+
+void
+e_mail_tab_set_preview_actor (EMailTab *tab, ClutterActor *actor)
+{
+ EMailTabPrivate *priv = tab->priv;
+
+ if (priv->preview)
+ clutter_actor_unparent (priv->preview);
+
+ priv->preview = actor;
+
+ if (actor)
+ {
+ clutter_actor_set_parent (actor, CLUTTER_ACTOR (tab));
+
+ clutter_actor_set_opacity (actor, priv->preview_mode ? 0xff : 0x00);
+ if (!priv->preview_mode)
+ clutter_actor_hide (actor);
+ }
+
+ clutter_actor_queue_relayout (CLUTTER_ACTOR (tab));
+
+ g_object_notify (G_OBJECT (tab), "preview");
+}
+
+ClutterActor *
+e_mail_tab_get_preview_actor (EMailTab *tab)
+{
+ EMailTabPrivate *priv = tab->priv;
+ return priv->preview;
+}
+
+static void
+preview_new_frame_cb (ClutterTimeline *timeline,
+ guint msecs,
+ EMailTab *tab)
+{
+ gboolean forwards;
+ EMailTabPrivate *priv = tab->priv;
+
+ forwards = (clutter_timeline_get_direction (timeline) ==
+ CLUTTER_TIMELINE_FORWARD) ? TRUE : FALSE;
+ if (priv->preview_mode)
+ forwards = !forwards;
+
+ priv->preview_height_progress = clutter_timeline_get_progress (timeline);
+ if (forwards)
+ priv->preview_height_progress = 1.0 - priv->preview_height_progress;
+
+ if (priv->preview)
+ clutter_actor_queue_relayout (CLUTTER_ACTOR (tab));
+}
+
+static void
+preview_completed_cb (ClutterTimeline *timeline,
+ EMailTab *tab)
+{
+ EMailTabPrivate *priv = tab->priv;
+
+ if (priv->preview_timeline)
+ {
+ clutter_timeline_stop (priv->preview_timeline);
+ g_object_unref (priv->preview_timeline);
+ priv->preview_timeline = NULL;
+
+ if (priv->preview_mode)
+ priv->preview_height_progress = 1.0;
+ else
+ {
+ priv->preview_height_progress = 0.0;
+ if (priv->preview)
+ clutter_actor_hide (priv->preview);
+ if (priv->can_close)
+ clutter_actor_set_reactive (CLUTTER_ACTOR (priv->close_button),
+ TRUE);
+ }
+
+ /* Remove style hint if we're not in preview mode */
+ if (priv->preview)
+ {
+ if (!priv->preview_mode)
+ clutter_actor_set_name (CLUTTER_ACTOR (tab),
+ priv->private ? "private-tab" : NULL);
+ }
+ else
+ {
+ /* If there's no preview actor, disable the tab */
+ clutter_actor_set_reactive (CLUTTER_ACTOR (tab), !priv->preview_mode);
+ }
+
+ if (priv->preview)
+ clutter_actor_queue_relayout (CLUTTER_ACTOR (tab));
+
+ g_signal_emit (tab, signals[TRANSITION_COMPLETE], 0);
+ }
+}
+
+static void
+preview_s1_started_cb (ClutterTimeline *timeline,
+ EMailTab *tab)
+{
+ EMailTabPrivate *priv = tab->priv;
+
+ if (!priv->preview)
+ clutter_actor_animate_with_timeline (CLUTTER_ACTOR (priv->label),
+ CLUTTER_EASE_IN_OUT_QUAD,
+ timeline,
+ "opacity", 0xff,
+ NULL);
+}
+
+static void
+preview_s2_started_cb (ClutterTimeline *timeline,
+ EMailTab *tab)
+{
+ EMailTabPrivate *priv = tab->priv;
+
+ if (priv->preview)
+ clutter_actor_animate_with_timeline (CLUTTER_ACTOR (priv->label),
+ CLUTTER_EASE_IN_OUT_QUAD,
+ timeline,
+ "opacity", 0xff,
+ NULL);
+}
+
+void
+e_mail_tab_set_preview_mode (EMailTab *tab, gboolean preview)
+{
+ EMailTabPrivate *priv = tab->priv;
+
+ if (priv->preview_mode != preview)
+ {
+ ClutterTimeline *timeline, *timeline2;
+ gdouble progress, total_duration, duration1, duration2;
+
+ priv->preview_mode = preview;
+
+ /* Disable the close button in preview mode */
+ if (preview && priv->can_close)
+ clutter_actor_set_reactive (CLUTTER_ACTOR (priv->close_button), FALSE);
+
+#define DEBUG_MULT 1
+ if (priv->preview_timeline)
+ {
+ progress = 1.0 -
+ clutter_timeline_get_progress (priv->preview_timeline);
+ clutter_timeline_stop (priv->preview_timeline);
+ g_object_unref (priv->preview_timeline);
+ }
+ else
+ progress = 0.0;
+
+ total_duration = priv->anim_length * (1.0 - progress) * DEBUG_MULT;
+ duration1 = total_duration * TAB_S1_ANIM;
+ duration2 = total_duration * TAB_S2_ANIM;
+
+ priv->preview_timeline =
+ clutter_timeline_new (priv->anim_length * DEBUG_MULT);
+ clutter_timeline_skip (priv->preview_timeline,
+ clutter_timeline_get_duration (priv->preview_timeline) * progress);
+
+ g_signal_connect (priv->preview_timeline, "completed",
+ G_CALLBACK (preview_completed_cb), tab);
+
+ clutter_timeline_start (priv->preview_timeline);
+
+ if (!priv->preview)
+ {
+ clutter_actor_animate_with_timeline (CLUTTER_ACTOR (tab),
+ CLUTTER_EASE_IN_OUT_QUAD,
+ priv->preview_timeline,
+ "opacity", preview ? 0x00 : 0xff,
+ NULL);
+ return;
+ }
+
+ g_signal_connect (priv->preview_timeline, "new-frame",
+ G_CALLBACK (preview_new_frame_cb), tab);
+
+ timeline = clutter_timeline_new ((guint)duration1);
+ timeline2 = clutter_timeline_new ((guint)duration2);
+
+ g_signal_connect (timeline, "started",
+ G_CALLBACK (preview_s1_started_cb), tab);
+ g_signal_connect (timeline2, "started",
+ G_CALLBACK (preview_s2_started_cb), tab);
+
+ if (preview)
+ clutter_timeline_set_delay (timeline2, duration1);
+ else
+ clutter_timeline_set_delay (timeline, duration2);
+
+ /* clutter_actor_animate_with_timeline will start the timelines */
+ clutter_actor_animate_with_timeline (CLUTTER_ACTOR (priv->label),
+ CLUTTER_EASE_IN_OUT_QUAD,
+ preview ? timeline : timeline2,
+ "opacity", 0x00,
+ NULL);
+ if (priv->icon)
+ clutter_actor_animate_with_timeline (priv->icon,
+ CLUTTER_EASE_IN_OUT_QUAD,
+ timeline,
+ "opacity", preview ? 0x00 : 0xff,
+ NULL);
+ if (priv->can_close)
+ clutter_actor_animate_with_timeline (CLUTTER_ACTOR (priv->close_button),
+ CLUTTER_EASE_IN_OUT_QUAD,
+ timeline,
+ "opacity", preview ? 0x00 : 0xff,
+ NULL);
+
+ if (priv->preview)
+ {
+ clutter_actor_show (priv->preview);
+ clutter_actor_animate_with_timeline (priv->preview,
+ CLUTTER_EASE_IN_OUT_QUAD,
+ timeline2,
+ "opacity", preview ? 0xff : 0x00,
+ NULL);
+ }
+
+ /* The animations have references on these, drop ours */
+ g_object_unref (timeline);
+ g_object_unref (timeline2);
+
+ /* Add an actor name, for style */
+ clutter_actor_set_name (CLUTTER_ACTOR (tab),
+ priv->private ? "private-preview-tab" :
+ "preview-tab");
+ }
+}
+
+gboolean
+e_mail_tab_get_preview_mode (EMailTab *tab)
+{
+ EMailTabPrivate *priv = tab->priv;
+ return priv->preview_mode;
+}
+
+void
+e_mail_tab_set_preview_duration (EMailTab *tab, guint duration)
+{
+ EMailTabPrivate *priv = tab->priv;
+
+ if (priv->anim_length != duration)
+ {
+ priv->anim_length = duration;
+ g_object_notify (G_OBJECT (tab), "preview-duration");
+ }
+}
+
+guint
+e_mail_tab_get_preview_duration (EMailTab *tab)
+{
+ EMailTabPrivate *priv = tab->priv;
+ return priv->anim_length;
+}
+
+void
+e_mail_tab_set_spacing (EMailTab *tab, gfloat spacing)
+{
+ EMailTabPrivate *priv = tab->priv;
+
+ if (priv->spacing != spacing)
+ {
+ priv->spacing = spacing;
+ g_object_notify (G_OBJECT (tab), "spacing");
+ clutter_actor_queue_relayout (CLUTTER_ACTOR (tab));
+ }
+}
+
+gfloat
+e_mail_tab_get_spacing (EMailTab *tab)
+{
+ EMailTabPrivate *priv = tab->priv;
+ return priv->spacing;
+}
+
+void
+e_mail_tab_set_private (EMailTab *tab, gboolean private)
+{
+ EMailTabPrivate *priv = tab->priv;
+
+ if (priv->private == private)
+ return;
+
+ priv->private = private;
+
+ if (!priv->preview_mode)
+ clutter_actor_set_name (CLUTTER_ACTOR (tab),
+ private ? "private-tab" : NULL);
+
+ g_object_notify (G_OBJECT (tab), "private");
+}
+
+gboolean
+e_mail_tab_get_private (EMailTab *tab)
+{
+ EMailTabPrivate *priv = tab->priv;
+ return priv->private;
+}
+
+void
+e_mail_tab_set_active (EMailTab *tab, gboolean active)
+{
+ EMailTabPrivate *priv = tab->priv;
+
+ if (priv->active == active)
+ return;
+
+ priv->active = active;
+
+ g_object_notify (G_OBJECT (tab), "active");
+
+ if (active)
+ mx_stylable_set_style_pseudo_class (MX_STYLABLE (tab), "active");
+ else if (!priv->pressed)
+ {
+ if (priv->hover)
+ mx_stylable_set_style_pseudo_class (MX_STYLABLE (tab), "hover");
+ else
+ mx_stylable_set_style_pseudo_class (MX_STYLABLE (tab), NULL);
+ }
+}
+
+gboolean
+e_mail_tab_get_active (EMailTab *tab)
+{
+ EMailTabPrivate *priv = tab->priv;
+ return priv->active;
+}
+
+static gboolean
+e_mail_tab_alert_cb (EMailTab *tab)
+{
+ const gchar *name;
+ EMailTabPrivate *priv = tab->priv;
+
+ /* FIXME: Work in preview mode */
+
+ /* Alternate between private mode and non-private to alert */
+ name = (priv->private ^ (priv->alert_count % 2)) ? NULL : "private-tab";
+ if (!priv->preview_mode)
+ clutter_actor_set_name (CLUTTER_ACTOR (tab), name);
+ priv->alert_count ++;
+
+ if (priv->alert_count < 4)
+ return TRUE;
+
+ /* This call isn't needed, it should be in the correct state as long as
+ * the above check always checks for < (an even number)
+ */
+ /*if (!priv->preview_mode)
+ clutter_actor_set_name (CLUTTER_ACTOR (tab),
+ priv->private ? "private-tab" : NULL);*/
+ priv->alert_source = 0;
+
+ return FALSE;
+}
+
+void
+e_mail_tab_alert (EMailTab *tab)
+{
+ EMailTabPrivate *priv = tab->priv;
+
+ priv->alert_count = 0;
+ if (!priv->alert_source)
+ priv->alert_source =
+ g_timeout_add_full (G_PRIORITY_HIGH,
+ 500,
+ (GSourceFunc)e_mail_tab_alert_cb,
+ tab,
+ NULL);
+}
+
+void
+e_mail_tab_enable_drag (EMailTab *tab, gboolean enable)
+{
+ EMailTabPrivate *priv = tab->priv;
+
+ if (priv->drag_enabled == enable)
+ return;
+
+ priv->drag_enabled = enable;
+ if (enable)
+ mx_draggable_enable (MX_DRAGGABLE (tab));
+ else
+ mx_draggable_disable (MX_DRAGGABLE (tab));
+}
+
diff --git a/mail/e-mail-tab.h b/mail/e-mail-tab.h
new file mode 100644
index 0000000..3966d27
--- /dev/null
+++ b/mail/e-mail-tab.h
@@ -0,0 +1,108 @@
+/*
+ * Borrowed from Moblin-Web-Browser: The web browser for Moblin
+ * Copyright (c) 2009, Intel Corporation.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU Lesser General Public License,
+ * version 2.1, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope 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.
+ */
+
+#ifndef _E_MAIL_TAB_H
+#define _E_MAIL_TAB_H
+
+#include <glib-object.h>
+#include <clutter/clutter.h>
+#include <mx/mx.h>
+
+G_BEGIN_DECLS
+
+#define E_MAIL_TYPE_TAB e_mail_tab_get_type()
+
+#define E_MAIL_TAB(obj) \
+ (G_TYPE_CHECK_INSTANCE_CAST ((obj), \
+ E_MAIL_TYPE_TAB, EMailTab))
+
+#define E_MAIL_TAB_CLASS(klass) \
+ (G_TYPE_CHECK_CLASS_CAST ((klass), \
+ E_MAIL_TYPE_TAB, EMailTabClass))
+
+#define E_MAIL_IS_TAB(obj) \
+ (G_TYPE_CHECK_INSTANCE_TYPE ((obj), \
+ E_MAIL_TYPE_TAB))
+
+#define E_MAIL_IS_TAB_CLASS(klass) \
+ (G_TYPE_CHECK_CLASS_TYPE ((klass), \
+ E_MAIL_TYPE_TAB))
+
+#define E_MAIL_TAB_GET_CLASS(obj) \
+ (G_TYPE_INSTANCE_GET_CLASS ((obj), \
+ E_MAIL_TYPE_TAB, EMailTabClass))
+
+typedef struct _EMailTabPrivate EMailTabPrivate;
+
+typedef struct {
+ MxWidget parent;
+
+ EMailTabPrivate *priv;
+} EMailTab;
+
+typedef struct {
+ MxWidgetClass parent_class;
+
+ void (* clicked) (EMailTab *tab);
+ void (* closed) (EMailTab *tab);
+ void (* transition_complete) (EMailTab *tab);
+} EMailTabClass;
+
+GType e_mail_tab_get_type (void);
+
+ClutterActor *e_mail_tab_new (void);
+ClutterActor *e_mail_tab_new_full (const gchar *text,
+ ClutterActor *icon,
+ gint width);
+
+void e_mail_tab_set_text (EMailTab *tab, const gchar *text);
+void e_mail_tab_set_default_icon (EMailTab *tab, ClutterActor *icon);
+void e_mail_tab_set_icon (EMailTab *tab, ClutterActor *icon);
+void e_mail_tab_set_can_close (EMailTab *tab, gboolean can_close);
+void e_mail_tab_set_width (EMailTab *tab, gint width);
+void e_mail_tab_set_docking (EMailTab *tab, gboolean docking);
+void e_mail_tab_set_preview_actor (EMailTab *tab, ClutterActor *actor);
+void e_mail_tab_set_preview_mode (EMailTab *tab, gboolean preview);
+void e_mail_tab_set_preview_duration (EMailTab *tab, guint duration);
+void e_mail_tab_set_spacing (EMailTab *tab, gfloat spacing);
+void e_mail_tab_set_private (EMailTab *tab, gboolean private);
+void e_mail_tab_set_active (EMailTab *tab, gboolean active);
+
+const gchar *e_mail_tab_get_text (EMailTab *tab);
+ClutterActor *e_mail_tab_get_icon (EMailTab *tab);
+gboolean e_mail_tab_get_can_close (EMailTab *tab);
+gint e_mail_tab_get_width (EMailTab *tab);
+gboolean e_mail_tab_get_docking (EMailTab *tab);
+ClutterActor *e_mail_tab_get_preview_actor (EMailTab *tab);
+gboolean e_mail_tab_get_preview_mode (EMailTab *tab);
+void e_mail_tab_get_height_no_preview (EMailTab *tab,
+ gfloat for_width,
+ gfloat *min_height_p,
+ gfloat *natural_height_p);
+guint e_mail_tab_get_preview_duration (EMailTab *tab);
+gfloat e_mail_tab_get_spacing (EMailTab *tab);
+gboolean e_mail_tab_get_private (EMailTab *tab);
+gboolean e_mail_tab_get_active (EMailTab *tab);
+
+void e_mail_tab_alert (EMailTab *tab);
+void e_mail_tab_enable_drag (EMailTab *tab, gboolean enable);
+
+G_END_DECLS
+
+#endif /* _E_MAIL_TAB_H */
+
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