static gint window_compare(gconstpointer a, gconstpointer b)
{
ClutterActor* aa = *(ClutterActor**)a;
ClutterActor* bb = *(ClutterActor**)b;
MetaWindowActor* a1 = META_WINDOW_ACTOR(clutter_clone_get_source(CLUTTER_CLONE(aa)));
MetaWindowActor* b1 = META_WINDOW_ACTOR(clutter_clone_get_source(CLUTTER_CLONE(bb)));
MetaWindow* w1 = meta_window_actor_get_meta_window(a1);
MetaWindow* w2 = meta_window_actor_get_meta_window(b1);
return meta_window_get_stable_sequence(w1) - meta_window_get_stable_sequence(w2);
}
static void
clutter_clone_dispose (GObject *gobject)
{
clutter_clone_set_source_internal (CLUTTER_CLONE (gobject), NULL);
G_OBJECT_CLASS (clutter_clone_parent_class)->dispose (gobject);
}
static void
clutter_clone_allocate (ClutterActor *self,
const ClutterActorBox *box,
ClutterAllocationFlags flags)
{
ClutterClonePrivate *priv = CLUTTER_CLONE (self)->priv;
ClutterActorClass *parent_class;
/* chain up */
parent_class = CLUTTER_ACTOR_CLASS (clutter_clone_parent_class);
parent_class->allocate (self, box, flags);
if (priv->clone_source == NULL)
return;
#if 0
/* XXX - this is wrong: ClutterClone cannot clone unparented
* actors, as it will break all invariants
*/
/* we act like a "foster parent" for the source we are cloning;
* if the source has not been parented we have to force an
* allocation on it, so that we can paint it correctly from
* within our paint() implementation. since the actor does not
* have a parent, and thus it won't be painted by the usual
* paint cycle, we can safely give it as much size as it requires
*/
if (clutter_actor_get_parent (priv->clone_source) == NULL)
clutter_actor_allocate_preferred_size (priv->clone_source, flags);
#endif
}
static void
clutter_clone_apply_transform (ClutterActor *self, CoglMatrix *matrix)
{
ClutterClonePrivate *priv = CLUTTER_CLONE (self)->priv;
ClutterActorBox box, source_box;
gfloat x_scale, y_scale;
/* First chain up and apply all the standard ClutterActor
* transformations... */
CLUTTER_ACTOR_CLASS (clutter_clone_parent_class)->apply_transform (self,
matrix);
/* if we don't have a source, nothing else to do */
if (priv->clone_source == NULL)
return;
/* get our allocated size */
clutter_actor_get_allocation_box (self, &box);
/* and get the allocated size of the source */
clutter_actor_get_allocation_box (priv->clone_source, &source_box);
/* We need to scale what the clone-source actor paints to fill our own
* allocation...
*/
x_scale = clutter_actor_box_get_width (&box)
/ clutter_actor_box_get_width (&source_box);
y_scale = clutter_actor_box_get_height (&box)
/ clutter_actor_box_get_height (&source_box);
cogl_matrix_scale (matrix, x_scale, y_scale, x_scale);
}
static void overview_animated_destroy(MosesOverview* self, MosesOverviewQuitReason reason, gboolean animate)
{
MosesOverviewPrivate* priv = self->priv;
gboolean just_destroy = !animate;
if (reason == MOSES_OV_REASON_ACTIVATE_WINDOW && !priv->selected_actor) {
just_destroy = TRUE;
} else if (reason == MOSES_OV_REASON_ACTIVATE_WORKSPACE && !priv->selected_workspace) {
just_destroy = TRUE;
} else if (reason == MOSES_OV_REASON_NORMAL) {
just_destroy = TRUE;
}
if (just_destroy) {
clutter_actor_destroy(CLUTTER_ACTOR(self));
return;
}
gfloat x, y, w, h;
ClutterActor* target = NULL;
if (reason == MOSES_OV_REASON_ACTIVATE_WINDOW) {
target = self->priv->selected_actor;
ClutterActor* orig = clutter_clone_get_source(CLUTTER_CLONE(target));
clutter_actor_get_position(orig, &x, &y);
clutter_actor_get_size(orig, &w, &h);
g_signal_handlers_disconnect_by_func(target, on_effect_complete, self);
} else if (reason == MOSES_OV_REASON_ACTIVATE_WORKSPACE) {
g_assert(priv->selected_actor == NULL);
MetaScreen* screen = meta_plugin_get_screen(priv->plugin);
target = overview_head_get_actor_for_workspace(priv->ov_head, priv->selected_workspace);
MetaRectangle geom;
int focused_monitor = meta_screen_get_current_monitor(screen);
meta_screen_get_monitor_geometry(screen, focused_monitor, &geom);
x = geom.x, y = geom.y, w = geom.width, h = geom.height;
}
if (target) {
clutter_actor_remove_all_transitions(target);
clutter_actor_set_child_above_sibling(clutter_actor_get_parent(target), target, NULL);
clutter_actor_save_easing_state(target);
clutter_actor_set_easing_mode(target, CLUTTER_LINEAR);
clutter_actor_set_easing_duration(target, 150);
clutter_actor_set_position(target, x, y);
clutter_actor_set_scale(target, w / clutter_actor_get_width(target),
h / clutter_actor_get_height(target));
clutter_actor_restore_easing_state(target);
g_object_connect(target, "signal::transitions-completed",
G_CALLBACK(on_restore_position_effect_complete), self, NULL);
}
}
static void prepare_workspace_content(MosesOverview *self, MetaWorkspace *ws)
{
MosesOverviewPrivate* priv = self->priv;
GList* l = meta_workspace_list_windows(ws);
if (!priv->clones) { priv->clones = g_ptr_array_new(); }
while (l) {
MetaWindow* win = l->data;
MetaWindowActor* win_actor = META_WINDOW_ACTOR(meta_window_get_compositor_private(win));
if (meta_window_get_window_type(win) == META_WINDOW_DESKTOP) {
g_debug("%s: got desktop actor", __func__);
priv->background_actor = clutter_clone_new(CLUTTER_ACTOR(win_actor));
} else if (meta_window_get_window_type(win) == META_WINDOW_NORMAL &&
!meta_window_is_hidden(win)) {
ClutterActor* clone = clutter_clone_new(CLUTTER_ACTOR(win_actor));
clutter_actor_set_reactive(clone, TRUE);
float x = 0.0, y = 0.0;
clutter_actor_get_position(CLUTTER_ACTOR(win_actor), &x, &y);
clutter_actor_set_position(clone, x, y);
clutter_actor_hide(CLUTTER_ACTOR(win_actor));
g_ptr_array_add(priv->clones, clone);
clutter_actor_add_child(CLUTTER_ACTOR(self), clone);
g_object_connect(clone,
"signal::transitions-completed", G_CALLBACK(on_effect_complete), self,
"signal::button-press-event", on_thumb_button_press, self,
"signal::enter-event", on_thumb_enter, self,
"signal::leave-event", on_thumb_leave, self,
NULL);
}
l = l->next;
}
ClutterColor clr = CLUTTER_COLOR_INIT(0xff, 0xff, 0xff, 0xff);
clutter_actor_set_background_color(CLUTTER_ACTOR(self), &clr);
if (priv->background_actor) {
#if 0
ClutterEffect* blur = moses_blur_effect_new();
clutter_actor_add_effect_with_name(priv->background_actor, "blur", blur);
clutter_actor_insert_child_below(CLUTTER_ACTOR(self), priv->background_actor, NULL);
clutter_actor_hide(clutter_clone_get_source(CLUTTER_CLONE(priv->background_actor)));
clutter_actor_set_reactive(priv->background_actor, TRUE);
#endif
}
g_object_connect(priv->background_actor ? priv->background_actor: CLUTTER_ACTOR(self),
"signal::button-press-event", on_bg_button_press, self,
NULL);
}
static void
clutter_clone_paint (ClutterActor *self)
{
ClutterClone *clone = CLUTTER_CLONE (self);
ClutterClonePrivate *priv = clone->priv;
ClutterGeometry geom, clone_geom;
gfloat x_scale, y_scale;
gboolean was_unmapped = FALSE;
if (G_UNLIKELY (priv->clone_source == NULL))
return;
CLUTTER_NOTE (PAINT,
"painting clone actor '%s'",
clutter_actor_get_name (self) ? clutter_actor_get_name (self)
: "unknown");
/* get our allocated size */
clutter_actor_get_allocation_geometry (self, &geom);
/* and get the allocated size of the source */
clutter_actor_get_allocation_geometry (priv->clone_source, &clone_geom);
/* We need to scale what the clone-source actor paints to fill our own
* allocation...
*/
x_scale = (gfloat) geom.width / clone_geom.width;
y_scale = (gfloat) geom.height / clone_geom.height;
cogl_scale (x_scale, y_scale, 1.0);
/* The final bits of magic:
* - We need to make sure that when the clone-source actor's paint
* method calls clutter_actor_get_paint_opacity, it traverses to
* us and our parent not it's real parent.
* - We need to stop clutter_actor_paint applying the model view matrix of
* the clone source actor.
*/
_clutter_actor_set_opacity_parent (priv->clone_source, self);
_clutter_actor_set_enable_model_view_transform (priv->clone_source, FALSE);
if (!CLUTTER_ACTOR_IS_MAPPED (priv->clone_source))
{
_clutter_actor_set_enable_paint_unmapped (priv->clone_source, TRUE);
was_unmapped = TRUE;
}
clutter_actor_paint (priv->clone_source);
if (was_unmapped)
_clutter_actor_set_enable_paint_unmapped (priv->clone_source, FALSE);
_clutter_actor_set_enable_model_view_transform (priv->clone_source, TRUE);
_clutter_actor_set_opacity_parent (priv->clone_source, NULL);
}
static gboolean
clutter_clone_has_overlaps (ClutterActor *actor)
{
ClutterClonePrivate *priv = CLUTTER_CLONE (actor)->priv;
/* The clone has overlaps iff the source has overlaps */
if (priv->clone_source == NULL)
return FALSE;
return clutter_actor_has_overlaps (priv->clone_source);
}
void
mnb_fancy_bin_set_child (MnbFancyBin *bin, ClutterActor *child)
{
MnbFancyBinPrivate *priv = bin->priv;
if (priv->real_child)
{
clutter_clone_set_source (CLUTTER_CLONE (priv->child), NULL);
clutter_clone_set_source (CLUTTER_CLONE (priv->clone), NULL);
clutter_actor_remove_child (clutter_actor_get_parent(priv->real_child), priv->real_child);
}
priv->real_child = child;
if (priv->real_child)
{
clutter_actor_add_child(CLUTTER_ACTOR (bin), priv->real_child);
clutter_clone_set_source (CLUTTER_CLONE (priv->child), priv->real_child);
clutter_clone_set_source (CLUTTER_CLONE (priv->clone), priv->real_child);
}
clutter_actor_queue_relayout (CLUTTER_ACTOR (bin));
}
static void
clutter_clone_paint (ClutterActor *actor)
{
ClutterClone *self = CLUTTER_CLONE (actor);
ClutterClonePrivate *priv = self->priv;
gboolean was_unmapped = FALSE;
if (priv->clone_source == NULL)
return;
CLUTTER_NOTE (PAINT, "painting clone actor '%s'",
_clutter_actor_get_debug_name (actor));
/* The final bits of magic:
* - We need to override the paint opacity of the actor with our own
* opacity.
* - We need to inform the actor that it's in a clone paint (for the function
* clutter_actor_is_in_clone_paint())
* - We need to stop clutter_actor_paint applying the model view matrix of
* the clone source actor.
*/
_clutter_actor_set_in_clone_paint (priv->clone_source, TRUE);
_clutter_actor_set_opacity_override (priv->clone_source,
clutter_actor_get_paint_opacity (actor));
_clutter_actor_set_enable_model_view_transform (priv->clone_source, FALSE);
if (!CLUTTER_ACTOR_IS_MAPPED (priv->clone_source))
{
_clutter_actor_set_enable_paint_unmapped (priv->clone_source, TRUE);
was_unmapped = TRUE;
}
_clutter_actor_push_clone_paint ();
clutter_actor_paint (priv->clone_source);
_clutter_actor_pop_clone_paint ();
if (was_unmapped)
_clutter_actor_set_enable_paint_unmapped (priv->clone_source, FALSE);
_clutter_actor_set_enable_model_view_transform (priv->clone_source, TRUE);
_clutter_actor_set_opacity_override (priv->clone_source, -1);
_clutter_actor_set_in_clone_paint (priv->clone_source, FALSE);
}
static void
clutter_clone_set_property (GObject *gobject,
guint prop_id,
const GValue *value,
GParamSpec *pspec)
{
ClutterClone *self = CLUTTER_CLONE (gobject);
switch (prop_id)
{
case PROP_SOURCE:
clutter_clone_set_source (self, g_value_get_object (value));
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (gobject, prop_id, pspec);
break;
}
}
static void
clutter_clone_get_property (GObject *gobject,
guint prop_id,
GValue *value,
GParamSpec *pspec)
{
ClutterClonePrivate *priv = CLUTTER_CLONE (gobject)->priv;
switch (prop_id)
{
case PROP_SOURCE:
g_value_set_object (value, priv->clone_source);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (gobject, prop_id, pspec);
break;
}
}
static gboolean
clutter_clone_get_paint_volume (ClutterActor *actor,
ClutterPaintVolume *volume)
{
ClutterClonePrivate *priv = CLUTTER_CLONE (actor)->priv;
const ClutterPaintVolume *source_volume;
/* if the source is not set the paint volume is defined to be empty */
if (priv->clone_source == NULL)
return TRUE;
/* query the volume of the source actor and simply masquarade it as
* the clones volume... */
source_volume = clutter_actor_get_paint_volume (priv->clone_source);
if (source_volume == NULL)
return FALSE;
_clutter_paint_volume_set_from_volume (volume, source_volume);
_clutter_paint_volume_set_reference_actor (volume, actor);
return TRUE;
}
static void
clutter_clone_get_preferred_height (ClutterActor *self,
gfloat for_width,
gfloat *min_height_p,
gfloat *natural_height_p)
{
ClutterClonePrivate *priv = CLUTTER_CLONE (self)->priv;
ClutterActor *clone_source = priv->clone_source;
if (clone_source == NULL)
{
if (min_height_p)
*min_height_p = 0;
if (natural_height_p)
*natural_height_p = 0;
}
else
clutter_actor_get_preferred_height (clone_source,
for_width,
min_height_p,
natural_height_p);
}
static void _clone_paint_cb (ClutterActor *actor) {
ClutterActor *source;
ClutterActorBox box;
CoglHandle material;
gfloat width, height;
guint8 opacity;
CoglColor color_1, color_2;
CoglTextureVertex vertices[4];
/* if we don't have a source actor, don't paint */
source = clutter_clone_get_source (CLUTTER_CLONE (actor));
if (source == NULL)
goto out;
/* if the source texture does not have any content, don't paint */
material = clutter_texture_get_cogl_material (CLUTTER_TEXTURE (source));
if (material == NULL)
goto out;
/* get the size of the reflection */
clutter_actor_get_allocation_box (actor, &box);
clutter_actor_box_get_size (&box, &width, &height);
/* get the composite opacity of the actor */
opacity = clutter_actor_get_paint_opacity (actor);
/* figure out the two colors for the reflection: the first is
* full color and the second is the same, but at 0 opacity
*/
cogl_color_init_from_4f (&color_1, 1.0, 1.0, 1.0, opacity / 255.0);
cogl_color_premultiply (&color_1);
cogl_color_init_from_4f (&color_2, 1.0, 1.0, 1.0, 0.0);
cogl_color_premultiply (&color_2);
/* now describe the four vertices of the quad; since it has
* to be a reflection, we need to invert it as well
*/
vertices[0].x = 0; vertices[0].y = 0; vertices[0].z = 0;
vertices[0].tx = 0.0; vertices[0].ty = 1.0;
vertices[0].color = color_1;
vertices[1].x = width; vertices[1].y = 0; vertices[1].z = 0;
vertices[1].tx = 1.0; vertices[1].ty = 1.0;
vertices[1].color = color_1;
vertices[2].x = width; vertices[2].y = height; vertices[2].z = 0;
vertices[2].tx = 1.0; vertices[2].ty = 0.0;
vertices[2].color = color_2;
vertices[3].x = 0; vertices[3].y = height; vertices[3].z = 0;
vertices[3].tx = 0.0; vertices[3].ty = 0.0;
vertices[3].color = color_2;
/* paint the same texture but with a different geometry */
cogl_set_source (material);
cogl_polygon (vertices, 4, TRUE);
out:
/* prevent the default clone handler from running */
g_signal_stop_emission_by_name (actor, "paint");
}
static void moses_overview_dispose(GObject *object)
{
MosesOverview *overview = MOSES_OVERVIEW(object);
MosesOverviewPrivate* priv = overview->priv;
if (priv->disposed) return;
priv->disposed = TRUE;
g_clear_pointer(&priv->ov_head, g_object_unref);
MetaScreen* screen = meta_plugin_get_screen(priv->plugin);
ClutterActor* stage = meta_get_stage_for_screen(screen);
ClutterActor* to_focus = NULL;
if (priv->selected_actor) {
to_focus = clutter_clone_get_source(CLUTTER_CLONE(priv->selected_actor));
}
for (int i = 0; priv->clones && i < priv->clones->len; i++) {
ClutterActor* clone = g_ptr_array_index(priv->clones, i);
ClutterActor* orig = clutter_clone_get_source(CLUTTER_CLONE(clone));
clutter_actor_show(orig); // FIXME: maybe some actors had not been shown.
clutter_actor_destroy(clone);
}
for (int i = 0; priv->badges && i < priv->badges->len; i++) {
clutter_actor_destroy(CLUTTER_ACTOR(g_ptr_array_index(priv->badges, i)));
}
if (priv->background_actor) {
clutter_actor_show(clutter_clone_get_source(CLUTTER_CLONE(priv->background_actor)));
g_clear_pointer(&priv->background_actor, clutter_actor_destroy);
}
if (priv->modaled) {
meta_plugin_end_modal(priv->plugin, clutter_get_current_event_time());
meta_enable_unredirect_for_screen(screen);
if (priv->selected_workspace) {
meta_workspace_activate(priv->selected_workspace, CLUTTER_CURRENT_TIME);
MetaDisplay* display = meta_screen_get_display(screen);
meta_compositor_switch_workspace(meta_display_get_compositor(display),
meta_screen_get_active_workspace(screen),
priv->selected_workspace, META_MOTION_DOWN);
} else if (to_focus) {
clutter_stage_set_key_focus(CLUTTER_STAGE(stage), to_focus);
MetaWindowActor* actor = META_WINDOW_ACTOR(to_focus);
MetaWindow* win = meta_window_actor_get_meta_window(actor);
meta_window_raise(win);
meta_window_focus(win, CLUTTER_CURRENT_TIME);
} else if (priv->previous_focused) {
if (!CLUTTER_IS_STAGE(priv->previous_focused)) {
clutter_stage_set_key_focus(CLUTTER_STAGE(stage), priv->previous_focused);
}
}
}
G_OBJECT_CLASS(moses_overview_parent_class)->dispose(object);
}
static void
clutter_reflect_texture_paint (ClutterActor *actor)
{
ClutterReflectTexturePrivate *priv;
ClutterReflectTexture *texture;
ClutterClone *clone;
ClutterTexture *parent;
guint width, height;
gfloat fwidth, fheight;
gint r_height;
gint opacity;
gint bottom;
CoglHandle cogl_texture;
CoglTextureVertex tvert[4];
CoglFixed rty;
texture = CLUTTER_REFLECT_TEXTURE (actor);
clone = CLUTTER_CLONE (actor);
parent = (ClutterTexture*) clutter_clone_get_source (clone);
if (!parent)
return;
if (!CLUTTER_ACTOR_IS_REALIZED (parent))
clutter_actor_realize (CLUTTER_ACTOR (parent));
cogl_texture = clutter_texture_get_cogl_texture (parent);
if (cogl_texture == COGL_INVALID_HANDLE)
return;
priv = texture->priv;
clutter_actor_get_size (CLUTTER_ACTOR(parent), &fwidth, &fheight);
width = fwidth;
height = fheight;
if (!height)
// probably won't happen, but just in case, to avoid divide by zero.
return;
r_height = priv->reflection_height;
bottom = priv->reflect_bottom;
opacity = clutter_actor_get_opacity(actor);
if (r_height < 0 || r_height > height)
r_height = height;
#define FX(x) COGL_FIXED_FROM_INT(x)
rty = COGL_FIXED_FAST_DIV(FX(bottom ? height-r_height : r_height),FX(height));
/* clockise vertices and tex coords and colors! */
tvert[0].x = tvert[0].y = tvert[0].z = 0;
tvert[0].tx = 0; tvert[0].ty = bottom ? COGL_FIXED_1 : rty;
tvert[0].color.red = tvert[0].color.green = tvert[0].color.blue = 0xff;
tvert[0].color.alpha = bottom ? opacity : 0;
tvert[1].x = FX(width); tvert[1].y = tvert[1].z = 0;
tvert[1].tx = COGL_FIXED_1; tvert[1].ty = bottom ? COGL_FIXED_1 : rty;
tvert[1].color.red = tvert[1].color.green = tvert[1].color.blue = 0xff;
tvert[1].color.alpha = bottom ? opacity : 0;
tvert[2].x = FX(width); tvert[2].y = FX(r_height); tvert[2].z = 0;
tvert[2].tx = COGL_FIXED_1; tvert[2].ty = bottom ? rty : 0;
tvert[2].color.red = tvert[2].color.green = tvert[2].color.blue = 0xff;
tvert[2].color.alpha = bottom ? 0 : opacity;
tvert[3].x = 0; tvert[3].y = FX(r_height); tvert[3].z = 0;
tvert[3].tx = 0; tvert[3].ty = bottom ? rty : 0;
tvert[3].color.red = tvert[3].color.green = tvert[3].color.blue = 0xff;
tvert[3].color.alpha = bottom ? 0 : opacity;
cogl_push_matrix ();
cogl_set_source_texture(cogl_texture);
/* FIXME: this does not work as expected */
/* cogl_polygon(tvert, 4, TRUE); */
cogl_pop_matrix ();
}
static void natural_placement (MosesOverview* self, MetaRectangle area)
{
g_debug("%s: geom: %d,%d,%d,%d", __func__, area.x, area.y, area.width, area.height);
MosesOverviewPrivate* priv = self->priv;
GPtrArray* clones = priv->clones;
MetaRectangle bounds = {area.x, area.y, area.width, area.height};
int direction = 0;
int* directions = g_malloc(sizeof(int)*clones->len);
MetaRectangle* rects = g_malloc(sizeof(MetaRectangle)*clones->len);
for (int i = 0; i < clones->len; i++) {
// save rectangles into 4-dimensional arrays representing two corners of the rectangular: [left_x, top_y, right_x, bottom_y]
MetaRectangle rect;
ClutterActor* clone = g_ptr_array_index(clones, i);
MetaWindowActor* actor = META_WINDOW_ACTOR(clutter_clone_get_source(CLUTTER_CLONE(clone)));
MetaWindow* win = meta_window_actor_get_meta_window(actor);
meta_window_get_frame_rect(win, &rect);
rect = rect_adjusted(rect, -GAPS, -GAPS, GAPS, GAPS);
rects[i] = rect;
g_debug("%s: frame: %d,%d,%d,%d", __func__, rect.x, rect.y, rect.width, rect.height);
meta_rectangle_union(&bounds, &rect, &bounds);
// This is used when the window is on the edge of the screen to try to use as much screen real estate as possible.
directions[i] = direction;
direction++;
if (direction == 4)
direction = 0;
}
int loop_counter = 0;
gboolean overlap = FALSE;
do {
overlap = FALSE;
for (int i = 0; i < clones->len; i++) {
for (int j = 0; j < clones->len; j++) {
if (i == j)
continue;
MetaRectangle rect = rects[i];
MetaRectangle comp = rects[j];
if (!meta_rectangle_overlap(&rect, &comp))
continue;
loop_counter ++;
overlap = TRUE;
// Determine pushing direction
GdkPoint i_center = rect_center (rect);
GdkPoint j_center = rect_center (comp);
GdkPoint diff = {j_center.x - i_center.x, j_center.y - i_center.y};
// Prevent dividing by zero and non-movement
if (diff.x == 0 && diff.y == 0)
diff.x = 1;
// Approximate a vector of between 10px and 20px in magnitude in the same direction
float length = sqrtf (diff.x * diff.x + diff.y * diff.y);
diff.x = (int)floorf (diff.x * ACCURACY / length);
diff.y = (int)floorf (diff.y * ACCURACY / length);
// Move both windows apart
rect.x += -diff.x;
rect.y += -diff.y;
comp.x += diff.x;
comp.y += diff.y;
// Try to keep the bounding rect the same aspect as the screen so that more
// screen real estate is utilised. We do this by splitting the screen into nine
// equal sections, if the window center is in any of the corner sections pull the
// window towards the outer corner. If it is in any of the other edge sections
// alternate between each corner on that edge. We don't want to determine it
// randomly as it will not produce consistant locations when using the filter.
// Only move one window so we don't cause large amounts of unnecessary zooming
// in some situations. We need to do this even when expanding later just in case
// all windows are the same size.
// (We are using an old bounding rect for this, hopefully it doesn't matter)
int x_section = (int)roundf ((rect.x - bounds.x) / (bounds.width / 3.0f));
int y_section = (int)roundf ((comp.y - bounds.y) / (bounds.height / 3.0f));
i_center = rect_center (rect);
diff.x = 0;
diff.y = 0;
if (x_section != 1 || y_section != 1) { // Remove this if you want the center to pull as well
if (x_section == 1)
x_section = (directions[i] / 2 == 1 ? 2 : 0);
if (y_section == 1)
y_section = (directions[i] % 2 == 1 ? 2 : 0);
}
if (x_section == 0 && y_section == 0) {
diff.x = bounds.x - i_center.x;
diff.y = bounds.y - i_center.y;
}
if (x_section == 2 && y_section == 0) {
diff.x = bounds.x + bounds.width - i_center.x;
diff.y = bounds.y - i_center.y;
}
if (x_section == 2 && y_section == 2) {
diff.x = bounds.x + bounds.width - i_center.x;
diff.y = bounds.y + bounds.height - i_center.y;
}
if (x_section == 0 && y_section == 2) {
diff.x = bounds.x - i_center.x;
diff.y = bounds.y + bounds.height - i_center.y;
}
if (diff.x != 0 || diff.y != 0) {
length = sqrtf (diff.x * diff.x + diff.y * diff.y);
diff.x *= (int)floorf (ACCURACY / length / 2.0f);
diff.y *= (int)floorf (ACCURACY / length / 2.0f);
rect.x += diff.x;
rect.y += diff.y;
}
// Update bounding rect
meta_rectangle_union(&bounds, &rect, &bounds);
meta_rectangle_union(&bounds, &comp, &bounds);
//we took copies from the rects from our list so we need to reassign them
rects[i] = rect;
rects[j] = comp;
}
}
} while (overlap && loop_counter < MAX_TRANSLATIONS);
// Work out scaling by getting the most top-left and most bottom-right window coords.
float scale = fminf (fminf (area.width / (float)bounds.width, area.height / (float)bounds.height), 1.0f);
// Make bounding rect fill the screen size for later steps
bounds.x = (int)floorf (bounds.x - (area.width - bounds.width * scale) / 2);
bounds.y = (int)floorf (bounds.y - (area.height - bounds.height * scale) / 2);
bounds.width = (int)floorf (area.width / scale);
bounds.height = (int)floorf (area.height / scale);
// Move all windows back onto the screen and set their scale
int index = 0;
for (; index < clones->len; index++) {
MetaRectangle rect = rects[index];
rects[index] = (MetaRectangle){
(int)floorf ((rect.x - bounds.x) * scale + area.x),
(int)floorf ((rect.y - bounds.y) * scale + area.y),
(int)floorf (rect.width * scale),
(int)floorf (rect.height * scale)
};
}
// fill gaps by enlarging windows
gboolean moved = FALSE;
MetaRectangle border = area;
do {
moved = FALSE;
index = 0;
for (; index < clones->len; index++) {
MetaRectangle rect = rects[index];
int width_diff = ACCURACY;
int height_diff = (int)floorf ((((rect.width + width_diff) - rect.height) /
(float)rect.width) * rect.height);
int x_diff = width_diff / 2;
int y_diff = height_diff / 2;
//top right
MetaRectangle old = rect;
rect = (MetaRectangle){ rect.x + x_diff, rect.y - y_diff - height_diff, rect.width + width_diff, rect.height + width_diff };
if (rect_is_overlapping_any (rect, rects, clones->len, border))
rect = old;
else moved = TRUE;
//bottom right
old = rect;
rect = (MetaRectangle){rect.x + x_diff, rect.y + y_diff, rect.width + width_diff, rect.height + width_diff};
if (rect_is_overlapping_any (rect, rects, clones->len, border))
rect = old;
else moved = TRUE;
//bottom left
old = rect;
rect = (MetaRectangle){rect.x - x_diff, rect.y + y_diff, rect.width + width_diff, rect.height + width_diff};
if (rect_is_overlapping_any (rect, rects, clones->len, border))
rect = old;
else moved = TRUE;
//top left
old = rect;
rect = (MetaRectangle){rect.x - x_diff, rect.y - y_diff - height_diff, rect.width + width_diff, rect.height + width_diff};
if (rect_is_overlapping_any (rect, rects, clones->len, border))
rect = old;
else moved = TRUE;
rects[index] = rect;
}
} while (moved);
index = 0;
for (; index < clones->len; index++) {
MetaRectangle rect = rects[index];
ClutterActor* clone = g_ptr_array_index(clones, index);
MetaWindowActor* actor = META_WINDOW_ACTOR(clutter_clone_get_source(CLUTTER_CLONE(clone)));
MetaWindow* window = meta_window_actor_get_meta_window(actor);
MetaRectangle window_rect;
meta_window_get_frame_rect(window, &window_rect);
rect = rect_adjusted(rect, GAPS, GAPS, -GAPS, -GAPS);
scale = rect.width / (float)window_rect.width;
if (scale > 2.0 || (scale > 1.0 && (window_rect.width > 300 || window_rect.height > 300))) {
scale = (window_rect.width > 300 || window_rect.height > 300) ? 1.0f : 2.0f;
rect = (MetaRectangle){rect_center (rect).x - (int)floorf (window_rect.width * scale) / 2,
rect_center (rect).y - (int)floorf (window_rect.height * scale) / 2,
(int)floorf (window_rect.width * scale),
(int)floorf (window_rect.height * scale)};
}
place_window(self, clone, rect);
}
g_free(directions);
g_free(rects);
}
