static void
ide_frame_pan_update (IdeFrame *self,
GdkEventSequence *sequence,
GtkGestureSwipe *gesture)
{
IdeFramePrivate *priv = ide_frame_get_instance_private (self);
GtkAllocation alloc;
GtkWidget *grid;
gdouble x, y;
IDE_ENTRY;
g_assert (IDE_IS_FRAME (self));
g_assert (GTK_IS_GESTURE_PAN (gesture));
g_assert (!priv->pan_theatric || DZL_IS_BOX_THEATRIC (priv->pan_theatric));
if (priv->pan_theatric == NULL)
{
if (sequence != NULL)
gtk_gesture_set_state (GTK_GESTURE (gesture), GTK_EVENT_SEQUENCE_DENIED);
IDE_EXIT;
}
gtk_gesture_drag_get_offset (GTK_GESTURE_DRAG (gesture), &x, &y);
gtk_widget_get_allocation (GTK_WIDGET (self), &alloc);
grid = gtk_widget_get_ancestor (GTK_WIDGET (self), IDE_TYPE_GRID);
gtk_widget_translate_coordinates (GTK_WIDGET (priv->top_stack), grid, 0, 0,
&alloc.x, &alloc.y);
g_object_set (priv->pan_theatric,
"x", alloc.x + (gint)x,
NULL);
IDE_EXIT;
}
static void
gstyle_color_widget_drag_gesture_update (GtkGestureDrag *gesture,
gdouble offset_x,
gdouble offset_y,
GstyleColorWidget *self)
{
GdkDragContext *context;
GdkEventSequence *sequence;
const GdkEvent *event;
gdouble start_x, start_y;
GtkAllocation allocation;
GstylePaletteWidgetDndLockFlags dnd_lock;
GtkWidget *container;
GdkDragAction drag_action;
gint button;
g_assert (GTK_IS_GESTURE (gesture));
g_assert (GSTYLE_IS_COLOR_WIDGET (self));
dnd_lock = get_palette_widget_dnd_lock (self);
if ((dnd_lock & GSTYLE_PALETTE_WIDGET_DND_LOCK_FLAGS_DRAG) != 0)
return;
button = gtk_gesture_single_get_current_button (GTK_GESTURE_SINGLE (gesture));
if (!gtk_drag_check_threshold (GTK_WIDGET (self), 0, 0, offset_x, offset_y) ||
button != GDK_BUTTON_PRIMARY)
return;
gtk_widget_get_allocation (GTK_WIDGET (self), &allocation);
self->dnd_color_widget = gstyle_color_widget_copy (self);
if (self->filter_func != NULL && GSTYLE_IS_COLOR (self->filtered_color))
gstyle_color_widget_set_color (self->dnd_color_widget, self->filtered_color);
self->dnd_window = gtk_window_new (GTK_WINDOW_POPUP);
gtk_widget_set_size_request (self->dnd_window, allocation.width, allocation.height);
gtk_window_set_screen (GTK_WINDOW (self->dnd_window), gtk_widget_get_screen (GTK_WIDGET (self)));
gtk_container_add (GTK_CONTAINER (self->dnd_window), GTK_WIDGET (self->dnd_color_widget));
gtk_widget_show_all (self->dnd_window);
gtk_widget_set_opacity (self->dnd_window, GSTYLE_COLOR_WIDGET_DRAG_ICON_OPACITY);
sequence = gtk_gesture_single_get_current_sequence (GTK_GESTURE_SINGLE (gesture));
gtk_gesture_drag_get_start_point (GTK_GESTURE_DRAG (gesture), &start_x, &start_y);
event = gtk_gesture_get_last_event (GTK_GESTURE (gesture), sequence);
container = gtk_widget_get_ancestor (GTK_WIDGET (self), GSTYLE_TYPE_PALETTE_WIDGET);
if (container != NULL && GSTYLE_IS_PALETTE_WIDGET (container))
drag_action = (GDK_ACTION_MOVE | GDK_ACTION_COPY);
else
drag_action = GDK_ACTION_COPY;
context = gtk_drag_begin_with_coordinates (GTK_WIDGET (self),
self->target_list,
drag_action,
button,
(GdkEvent*)event,
start_x, start_y);
gtk_drag_set_icon_widget (context, self->dnd_window, 0, 0);
}
static void
ide_frame_pan_end (IdeFrame *self,
GdkEventSequence *sequence,
GtkGesturePan *gesture)
{
IdeFramePrivate *priv = ide_frame_get_instance_private (self);
IdeFramePrivate *dest_priv;
IdeFrame *dest;
GtkAllocation alloc;
GtkWidget *grid;
GtkWidget *column;
gdouble x, y;
gint direction;
gint index = 0;
IDE_ENTRY;
g_assert (IDE_IS_FRAME (self));
g_assert (GTK_IS_GESTURE_PAN (gesture));
if (priv->pan_theatric == NULL || priv->pan_page == NULL)
IDE_GOTO (cleanup);
gtk_widget_get_allocation (GTK_WIDGET (self), &alloc);
gtk_gesture_drag_get_offset (GTK_GESTURE_DRAG (gesture), &x, &y);
if (x > DISTANCE_THRESHOLD (&alloc))
direction = 1;
else if (x < -DISTANCE_THRESHOLD (&alloc))
direction = -1;
else
direction = 0;
grid = gtk_widget_get_ancestor (GTK_WIDGET (self), IDE_TYPE_GRID);
g_assert (grid != NULL);
g_assert (IDE_IS_GRID (grid));
column = gtk_widget_get_ancestor (GTK_WIDGET (self), IDE_TYPE_GRID_COLUMN);
g_assert (column != NULL);
g_assert (IDE_IS_GRID_COLUMN (column));
gtk_container_child_get (GTK_CONTAINER (grid), GTK_WIDGET (column),
"index", &index,
NULL);
dest = _ide_grid_get_nth_stack (IDE_GRID (grid), index + direction);
dest_priv = ide_frame_get_instance_private (dest);
g_assert (dest != NULL);
g_assert (IDE_IS_FRAME (dest));
gtk_widget_get_allocation (GTK_WIDGET (dest), &alloc);
if (!is_uninitialized (&alloc))
{
AnimationState *state;
state = g_slice_new0 (AnimationState);
state->source = g_object_ref (self);
state->dest = g_object_ref (dest);
state->page = g_object_ref (priv->pan_page);
state->theatric = g_object_ref (priv->pan_theatric);
gtk_widget_translate_coordinates (GTK_WIDGET (dest_priv->top_stack), grid, 0, 0,
&alloc.x, &alloc.y);
/*
* Use EASE_OUT_CUBIC, because user initiated the beginning of the
* acceleration curve just by swiping. No need to duplicate.
*/
dzl_object_animate_full (state->theatric,
DZL_ANIMATION_EASE_OUT_CUBIC,
TRANSITION_DURATION,
gtk_widget_get_frame_clock (GTK_WIDGET (self)),
animation_state_complete,
state,
"x", alloc.x,
"width", alloc.width,
NULL);
if (dest != self)
{
g_ptr_array_add (priv->in_transition, g_object_ref (priv->pan_page));
gtk_container_remove (GTK_CONTAINER (priv->stack), GTK_WIDGET (priv->pan_page));
}
IDE_TRACE_MSG ("Animating transition to %s column",
dest != self ? "another" : "same");
}
else
{
g_autoptr(IdePage) page = g_object_ref (priv->pan_page);
IDE_TRACE_MSG ("Moving page to a previously non-existant column");
gtk_container_remove (GTK_CONTAINER (priv->stack), GTK_WIDGET (page));
gtk_widget_show (GTK_WIDGET (page));
gtk_container_add (GTK_CONTAINER (dest_priv->stack), GTK_WIDGET (page));
}
cleanup:
g_clear_object (&priv->pan_theatric);
g_clear_object (&priv->pan_page);
gtk_widget_queue_draw (gtk_widget_get_toplevel (GTK_WIDGET (self)));
ide_frame_set_cursor (self, "arrow");
IDE_EXIT;
}
static gboolean
ide_frame_pan_begin (IdeFrame *self,
GdkEventSequence *sequence,
GtkGesturePan *gesture)
{
IdeFramePrivate *priv = ide_frame_get_instance_private (self);
GtkAllocation alloc;
cairo_surface_t *surface = NULL;
IdePage *page;
GdkWindow *window;
GtkWidget *grid;
cairo_t *cr;
gdouble x, y;
gboolean enable_animations;
IDE_ENTRY;
g_assert (IDE_IS_FRAME (self));
g_assert (GTK_IS_GESTURE_PAN (gesture));
g_assert (priv->pan_theatric == NULL);
page = ide_frame_get_visible_child (self);
if (page != NULL)
gtk_widget_get_allocation (GTK_WIDGET (page), &alloc);
g_object_get (gtk_settings_get_default (),
"gtk-enable-animations", &enable_animations,
NULL);
if (sequence != NULL ||
page == NULL ||
!enable_animations ||
is_uninitialized (&alloc) ||
NULL == (window = gtk_widget_get_window (GTK_WIDGET (page))) ||
NULL == (surface = gdk_window_create_similar_surface (window,
CAIRO_CONTENT_COLOR,
alloc.width,
alloc.height)))
{
if (sequence != NULL)
gtk_gesture_set_state (GTK_GESTURE (gesture), GTK_EVENT_SEQUENCE_DENIED);
IDE_RETURN (FALSE);
}
gtk_gesture_drag_get_offset (GTK_GESTURE_DRAG (gesture), &x, &y);
cr = cairo_create (surface);
gtk_widget_draw (GTK_WIDGET (page), cr);
cairo_destroy (cr);
grid = gtk_widget_get_ancestor (GTK_WIDGET (self), IDE_TYPE_GRID);
gtk_widget_translate_coordinates (GTK_WIDGET (priv->top_stack), grid, 0, 0,
&alloc.x, &alloc.y);
priv->pan_page = g_object_ref (page);
priv->pan_theatric = g_object_new (DZL_TYPE_BOX_THEATRIC,
"surface", surface,
"target", grid,
"x", alloc.x + (gint)x,
"y", alloc.y,
"width", alloc.width,
"height", alloc.height,
NULL);
g_clear_pointer (&surface, cairo_surface_destroy);
/* Hide the page while we begin the possible transition to another
* layout stack.
*/
gtk_widget_hide (GTK_WIDGET (priv->pan_page));
/*
* Hide the mouse cursor until ide_frame_pan_end() is called.
* It can be distracting otherwise (and we want to warp it to the new
* grid column too).
*/
ide_frame_set_cursor (self, "none");
IDE_RETURN (TRUE);
}
