static void calculate_places(MosesOverview* self)
{
MosesOverviewPrivate* priv = self->priv;
GPtrArray* clones = priv->clones;
if (priv->clones->len) {
g_ptr_array_sort(clones, window_compare);
// get the area used by the expo algorithms together
MetaScreen* screen = meta_plugin_get_screen(priv->plugin);
MetaRectangle geom;
int focused_monitor = meta_screen_get_current_monitor(screen);
meta_screen_get_monitor_geometry(screen, focused_monitor, &geom);
int HEAD_SIZE = TOP_GAP;
g_object_get(priv->ov_head, "height", &HEAD_SIZE, NULL);
g_debug("%s ov height: %d", __func__, HEAD_SIZE);
MetaRectangle area = {(int)floorf (geom.x + BORDER),
(int)floorf (geom.y + TOP_GAP + HEAD_SIZE),
(int)floorf (geom.width - BORDER * 2),
(int)floorf (geom.height - BOTTOM_GAP - TOP_GAP - HEAD_SIZE)};
natural_placement(self, area);
} else {
//NOTE: I can not set ready flag here because a conflict of super-e key release
g_timeout_add(500, (GSourceFunc)on_ready_timeout, self);
}
clutter_actor_show(overview_head_get_content(priv->ov_head));
}
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);
}
}
void moses_overview_show(MosesOverview* self, gboolean all_windows)
{
MosesOverviewPrivate* priv = self->priv;
MetaRectangle geom;
MetaScreen* screen = meta_plugin_get_screen(priv->plugin);
int focused_monitor = meta_screen_get_current_monitor(screen);
meta_screen_get_monitor_geometry(screen, focused_monitor, &geom);
// FIXME: overview is as big as the current monitor,
// need to take care multiple monitors
ClutterActor* stage = meta_get_stage_for_screen(screen);
ClutterActor* top = CLUTTER_ACTOR(self);
clutter_actor_set_size(top, geom.width, geom.height);
clutter_actor_insert_child_above(stage, top, NULL);
moses_overview_setup(self);
priv->previous_focused = clutter_stage_get_key_focus(CLUTTER_STAGE(stage));
if (!meta_plugin_begin_modal(priv->plugin, 0, clutter_get_current_event_time())) {
g_warning("can not be modal");
goto _end;
}
meta_disable_unredirect_for_screen(screen);
clutter_actor_show(top);
clutter_stage_set_key_focus(CLUTTER_STAGE(stage), top);
clutter_actor_grab_key_focus(top);
priv->modaled = TRUE;
g_idle_add((GSourceFunc)on_idle, self);
return;
_end:
clutter_actor_destroy(CLUTTER_ACTOR(self));
}
static void
find_next_cascade (MetaWindow *window,
/* visible windows on relevant workspaces */
GList *windows,
int x,
int y,
int *new_x,
int *new_y)
{
GList *tmp;
GList *sorted;
int cascade_x, cascade_y;
MetaRectangle titlebar_rect;
int x_threshold, y_threshold;
MetaRectangle frame_rect;
int window_width, window_height;
int cascade_stage;
MetaRectangle work_area;
int current;
sorted = g_list_copy (windows);
sorted = g_list_sort (sorted, northwestcmp);
/* This is a "fuzzy" cascade algorithm.
* For each window in the list, we find where we'd cascade a
* new window after it. If a window is already nearly at that
* position, we move on.
*/
/* arbitrary-ish threshold, honors user attempts to
* manually cascade.
*/
#define CASCADE_FUZZ 15
meta_window_get_titlebar_rect (window, &titlebar_rect);
x_threshold = MAX (titlebar_rect.x, CASCADE_FUZZ);
y_threshold = MAX (titlebar_rect.y, CASCADE_FUZZ);
/* Find furthest-SE origin of all workspaces.
* cascade_x, cascade_y are the target position
* of NW corner of window frame.
*/
current = meta_screen_get_current_monitor (window->screen);
meta_window_get_work_area_for_monitor (window, current, &work_area);
cascade_x = MAX (0, work_area.x);
cascade_y = MAX (0, work_area.y);
/* Find first cascade position that's not used. */
meta_window_get_frame_rect (window, &frame_rect);
window_width = frame_rect.width;
window_height = frame_rect.height;
cascade_stage = 0;
tmp = sorted;
while (tmp != NULL)
{
MetaWindow *w;
MetaRectangle w_frame_rect;
int wx, wy;
w = tmp->data;
/* we want frame position, not window position */
meta_window_get_frame_rect (w, &w_frame_rect);
wx = w_frame_rect.x;
wy = w_frame_rect.y;
if (ABS (wx - cascade_x) < x_threshold &&
ABS (wy - cascade_y) < y_threshold)
{
meta_window_get_titlebar_rect (w, &titlebar_rect);
/* Cascade the window evenly by the titlebar height; this isn't a typo. */
cascade_x = wx + titlebar_rect.height;
cascade_y = wy + titlebar_rect.height;
/* If we go off the screen, start over with a new cascade */
if (((cascade_x + window_width) >
(work_area.x + work_area.width)) ||
((cascade_y + window_height) >
(work_area.y + work_area.height)))
{
cascade_x = MAX (0, work_area.x);
cascade_y = MAX (0, work_area.y);
#define CASCADE_INTERVAL 50 /* space between top-left corners of cascades */
cascade_stage += 1;
cascade_x += CASCADE_INTERVAL * cascade_stage;
/* start over with a new cascade translated to the right, unless
* we are out of space
*/
if ((cascade_x + window_width) <
(work_area.x + work_area.width))
{
tmp = sorted;
continue;
}
else
{
/* All out of space, this cascade_x won't work */
cascade_x = MAX (0, work_area.x);
break;
}
}
}
else
{
/* Keep searching for a further-down-the-diagonal window. */
}
tmp = tmp->next;
}
/* cascade_x and cascade_y will match the last window in the list
* that was "in the way" (in the approximate cascade diagonal)
*/
g_list_free (sorted);
*new_x = cascade_x;
*new_y = cascade_y;
}
static void
find_next_cascade (MetaWindow *window,
MetaFrameBorders *borders,
/* visible windows on relevant workspaces */
GList *windows,
int x,
int y,
int *new_x,
int *new_y)
{
GList *tmp;
GList *sorted;
int cascade_x, cascade_y;
int x_threshold, y_threshold;
int window_width, window_height;
int cascade_stage;
MetaRectangle work_area;
const MetaMonitorInfo* current;
sorted = g_list_copy (windows);
sorted = g_list_sort (sorted, northwestcmp);
/* This is a "fuzzy" cascade algorithm.
* For each window in the list, we find where we'd cascade a
* new window after it. If a window is already nearly at that
* position, we move on.
*/
/* arbitrary-ish threshold, honors user attempts to
* manually cascade.
*/
#define CASCADE_FUZZ 15
if (borders)
{
x_threshold = MAX (borders->visible.left, CASCADE_FUZZ);
y_threshold = MAX (borders->visible.top, CASCADE_FUZZ);
}
else
{
x_threshold = CASCADE_FUZZ;
y_threshold = CASCADE_FUZZ;
}
/* Find furthest-SE origin of all workspaces.
* cascade_x, cascade_y are the target position
* of NW corner of window frame.
*/
current = meta_screen_get_current_monitor (window->screen);
meta_window_get_work_area_for_monitor (window, current->number, &work_area);
cascade_x = MAX (0, work_area.x);
cascade_y = MAX (0, work_area.y);
/* Find first cascade position that's not used. */
window_width = window->frame ? window->frame->rect.width : window->rect.width;
window_height = window->frame ? window->frame->rect.height : window->rect.height;
cascade_stage = 0;
tmp = sorted;
while (tmp != NULL)
{
MetaWindow *w;
int wx, wy;
w = tmp->data;
/* we want frame position, not window position */
if (w->frame)
{
wx = w->frame->rect.x;
wy = w->frame->rect.y;
}
else
{
wx = w->rect.x;
wy = w->rect.y;
}
if (ABS (wx - cascade_x) < x_threshold &&
ABS (wy - cascade_y) < y_threshold)
{
/* This window is "in the way", move to next cascade
* point. The new window frame should go at the origin
* of the client window we're stacking above.
*/
meta_window_get_position (w, &wx, &wy);
cascade_x = wx;
cascade_y = wy;
/* If we go off the screen, start over with a new cascade */
if (((cascade_x + window_width) >
(work_area.x + work_area.width)) ||
((cascade_y + window_height) >
(work_area.y + work_area.height)))
{
cascade_x = MAX (0, work_area.x);
cascade_y = MAX (0, work_area.y);
#define CASCADE_INTERVAL 50 /* space between top-left corners of cascades */
cascade_stage += 1;
cascade_x += CASCADE_INTERVAL * cascade_stage;
/* start over with a new cascade translated to the right, unless
* we are out of space
*/
if ((cascade_x + window_width) <
(work_area.x + work_area.width))
{
tmp = sorted;
continue;
}
else
{
/* All out of space, this cascade_x won't work */
cascade_x = MAX (0, work_area.x);
break;
}
}
}
else
{
/* Keep searching for a further-down-the-diagonal window. */
}
tmp = tmp->next;
}
/* cascade_x and cascade_y will match the last window in the list
* that was "in the way" (in the approximate cascade diagonal)
*/
g_list_free (sorted);
/* Convert coords to position of window, not position of frame. */
if (borders == NULL)
{
*new_x = cascade_x;
*new_y = cascade_y;
}
else
{
*new_x = cascade_x + borders->visible.left;
*new_y = cascade_y + borders->visible.top;
}
}
LOCAL_SYMBOL void
meta_window_place (MetaWindow *window,
MetaFrameBorders *borders,
int x,
int y,
int *new_x,
int *new_y)
{
GList *windows;
const MetaMonitorInfo *xi;
/* frame member variables should NEVER be used in here, only
* MetaFrameBorders. But remember borders == NULL
* for undecorated windows. Also, this function should
* NEVER have side effects other than computing the
* placement coordinates.
*/
meta_topic (META_DEBUG_PLACEMENT, "Placing window %s\n", window->desc);
windows = NULL;
if (meta_window_is_override_redirect(window)) {
goto done_no_constraints;
}
switch (window->type)
{
/* Run placement algorithm on these. */
case META_WINDOW_NORMAL:
case META_WINDOW_DIALOG:
case META_WINDOW_MODAL_DIALOG:
case META_WINDOW_SPLASHSCREEN:
break;
/* Assume the app knows best how to place these, no placement
* algorithm ever (other than "leave them as-is")
*/
case META_WINDOW_DESKTOP:
case META_WINDOW_DOCK:
case META_WINDOW_TOOLBAR:
case META_WINDOW_MENU:
case META_WINDOW_UTILITY:
/* override redirect window types: */
case META_WINDOW_DROPDOWN_MENU:
case META_WINDOW_POPUP_MENU:
case META_WINDOW_TOOLTIP:
case META_WINDOW_NOTIFICATION:
case META_WINDOW_COMBO:
case META_WINDOW_DND:
case META_WINDOW_OVERRIDE_OTHER:
goto done_no_constraints;
}
if (meta_prefs_get_disable_workarounds ())
{
switch (window->type)
{
/* Only accept USPosition on normal windows because the app is full
* of shit claiming the user set -geometry for a dialog or dock
*/
case META_WINDOW_NORMAL:
if (window->size_hints.flags & USPosition)
{
/* don't constrain with placement algorithm */
meta_topic (META_DEBUG_PLACEMENT,
"Honoring USPosition for %s instead of using placement algorithm\n", window->desc);
goto done;
}
break;
/* Ignore even USPosition on dialogs, splashscreen */
case META_WINDOW_DIALOG:
case META_WINDOW_MODAL_DIALOG:
case META_WINDOW_SPLASHSCREEN:
break;
/* Assume the app knows best how to place these. */
case META_WINDOW_DESKTOP:
case META_WINDOW_DOCK:
case META_WINDOW_TOOLBAR:
case META_WINDOW_MENU:
case META_WINDOW_UTILITY:
/* override redirect window types: */
case META_WINDOW_DROPDOWN_MENU:
case META_WINDOW_POPUP_MENU:
case META_WINDOW_TOOLTIP:
case META_WINDOW_NOTIFICATION:
case META_WINDOW_COMBO:
case META_WINDOW_DND:
case META_WINDOW_OVERRIDE_OTHER:
if (window->size_hints.flags & PPosition)
{
meta_topic (META_DEBUG_PLACEMENT,
"Not placing non-normal non-dialog window with PPosition set\n");
goto done_no_constraints;
}
break;
}
}
else
{
/* workarounds enabled */
if ((window->size_hints.flags & PPosition) ||
(window->size_hints.flags & USPosition))
{
meta_topic (META_DEBUG_PLACEMENT,
"Not placing window with PPosition or USPosition set\n");
avoid_being_obscured_as_second_modal_dialog (window, borders, &x, &y);
goto done_no_constraints;
}
}
if ((window->type == META_WINDOW_DIALOG ||
window->type == META_WINDOW_MODAL_DIALOG) &&
window->xtransient_for != None)
{
/* Center horizontally, at top of parent vertically */
MetaWindow *parent;
parent =
meta_display_lookup_x_window (window->display,
window->xtransient_for);
if (parent)
{
int w;
meta_window_get_position (parent, &x, &y);
w = parent->rect.width;
/* center of parent */
x = x + w / 2;
/* center of child over center of parent */
x -= window->rect.width / 2;
/* "visually" center window over parent, leaving twice as
* much space below as on top.
*/
y += (parent->rect.height - window->rect.height)/3;
/* put top of child's frame, not top of child's client */
if (borders)
y += borders->visible.top;
meta_topic (META_DEBUG_PLACEMENT, "Centered window %s over transient parent\n",
window->desc);
avoid_being_obscured_as_second_modal_dialog (window, borders, &x, &y);
goto done;
}
}
/* FIXME UTILITY with transient set should be stacked up
* on the sides of the parent window or something.
*/
if (window->type == META_WINDOW_DIALOG ||
window->type == META_WINDOW_MODAL_DIALOG ||
window->type == META_WINDOW_SPLASHSCREEN)
{
/* Center on current monitor */
int w, h;
/* Warning, this function is a round trip! */
xi = meta_screen_get_current_monitor (window->screen);
w = xi->rect.width;
h = xi->rect.height;
x = (w - window->rect.width) / 2;
y = (h - window->rect.height) / 2;
x += xi->rect.x;
y += xi->rect.y;
meta_topic (META_DEBUG_PLACEMENT, "Centered window %s on screen %d monitor %d\n",
window->desc, window->screen->number, xi->number);
goto done_check_denied_focus;
}
/* Find windows that matter (not minimized, on same workspace
* as placed window, may be shaded - if shaded we pretend it isn't
* for placement purposes)
*/
{
GSList *all_windows;
GSList *tmp;
all_windows = meta_display_list_windows (window->display, META_LIST_DEFAULT);
tmp = all_windows;
while (tmp != NULL)
{
MetaWindow *w = tmp->data;
if (meta_window_showing_on_its_workspace (w) &&
w != window &&
(window->workspace == w->workspace ||
window->on_all_workspaces || w->on_all_workspaces))
windows = g_list_prepend (windows, w);
tmp = tmp->next;
}
g_slist_free (all_windows);
}
/* Warning, this is a round trip! */
xi = meta_screen_get_current_monitor (window->screen);
/* "Origin" placement algorithm */
x = xi->rect.x;
y = xi->rect.y;
if (find_first_fit (window, borders, windows,
xi->number,
x, y, &x, &y))
goto done_check_denied_focus;
/* Maximize windows if they are too big for their work area (bit of
* a hack here). Assume undecorated windows probably don't intend to
* be maximized.
*/
if (window->has_maximize_func && window->decorated &&
!window->fullscreen)
{
MetaRectangle workarea;
MetaRectangle outer;
meta_window_get_work_area_for_monitor (window,
xi->number,
&workarea);
meta_window_get_outer_rect (window, &outer);
/* If the window is bigger than the screen, then automaximize. Do NOT
* auto-maximize the directions independently. See #419810.
*/
if (outer.width >= workarea.width && outer.height >= workarea.height)
{
window->maximize_horizontally_after_placement = TRUE;
window->maximize_vertically_after_placement = TRUE;
}
}
/* If no placement has been done, revert to cascade to avoid
* fully overlapping window (e.g. starting multiple terminals)
* */
if (x == xi->rect.x && y == xi->rect.y)
find_next_cascade (window, borders, windows, x, y, &x, &y);
done_check_denied_focus:
/* If the window is being denied focus and isn't a transient of the
* focus window, we do NOT want it to overlap with the focus window
* if at all possible. This is guaranteed to only be called if the
* focus_window is non-NULL, and we try to avoid that window.
*/
if (window->denied_focus_and_not_transient)
{
gboolean found_fit;
MetaWindow *focus_window;
MetaRectangle overlap;
focus_window = window->display->focus_window;
g_assert (focus_window != NULL);
/* No need to do anything if the window doesn't overlap at all */
found_fit = !meta_rectangle_intersect (&window->rect,
&focus_window->rect,
&overlap);
/* Try to do a first fit again, this time only taking into account the
* focus window.
*/
if (!found_fit)
{
GList *focus_window_list;
focus_window_list = g_list_prepend (NULL, focus_window);
/* Reset x and y ("origin" placement algorithm) */
x = xi->rect.x;
y = xi->rect.y;
found_fit = find_first_fit (window, borders, focus_window_list,
xi->number,
x, y, &x, &y);
g_list_free (focus_window_list);
}
/* If that still didn't work, just place it where we can see as much
* as possible.
*/
if (!found_fit)
find_most_freespace (window, borders, focus_window, x, y, &x, &y);
}
done:
g_list_free (windows);
done_no_constraints:
*new_x = x;
*new_y = y;
}
