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monitor-manager: Store logical monitors in a GList

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Instead of storing the logical monitors in an array and having users
either look up them in the array given an index or iterate using
indices, put it in a GList, and use GList iterators when iterating and
alternative API where array indices were previously used.

This allows for more liberty regarding the type of the logical monitor.

https://bugzilla.gnome.org/show_bug.cgi?id=777732
This commit is contained in:
Jonas Ådahl
2016-12-02 16:00:03 +08:00
parent 20b8743f21
commit 1fb0e8e9bb
9 changed files with 175 additions and 162 deletions
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27
src/backends/native/meta-backend-native.c
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@ -181,14 +181,13 @@ constrain_to_client_constraint (ClutterInputDevice *device,
static void
constrain_all_screen_monitors (ClutterInputDevice *device,
MetaLogicalMonitor *logical_monitors,
unsigned int n_logical_monitors,
MetaMonitorManager *monitor_manager,
float *x,
float *y)
{
ClutterPoint current;
unsigned int i;
float cx, cy;
GList *logical_monitors, *l;
clutter_input_device_get_coords (device, NULL, &current);
@ -196,9 +195,12 @@ constrain_all_screen_monitors (ClutterInputDevice *device,
cy = current.y;
/* if we're trying to escape, clamp to the CRTC we're coming from */
for (i = 0; i < n_logical_monitors; i++)
logical_monitors =
meta_monitor_manager_get_logical_monitors (monitor_manager);
for (l = logical_monitors; l; l = l->next)
{
MetaLogicalMonitor *logical_monitor = &logical_monitors[i];
MetaLogicalMonitor *logical_monitor = l->data;
int left, right, top, bottom;
left = logical_monitor->rect.x;
@ -231,9 +233,9 @@ pointer_constrain_callback (ClutterInputDevice *device,
float *new_y,
gpointer user_data)
{
MetaMonitorManager *monitor_manager;
MetaLogicalMonitor *logical_monitors;
unsigned int n_logical_monitors;
MetaBackend *backend = meta_get_backend ();
MetaMonitorManager *monitor_manager =
meta_backend_get_monitor_manager (backend);
/* Constrain to barriers */
constrain_to_barriers (device, time, new_x, new_y);
@ -241,20 +243,13 @@ pointer_constrain_callback (ClutterInputDevice *device,
/* Constrain to pointer lock */
constrain_to_client_constraint (device, time, prev_x, prev_y, new_x, new_y);
monitor_manager = meta_monitor_manager_get ();
logical_monitors =
meta_monitor_manager_get_logical_monitors (monitor_manager,
&n_logical_monitors);
/* if we're moving inside a monitor, we're fine */
if (meta_monitor_manager_get_logical_monitor_at (monitor_manager,
*new_x, *new_y))
return;
/* if we're trying to escape, clamp to the CRTC we're coming from */
constrain_all_screen_monitors (device,
logical_monitors, n_logical_monitors,
new_x, new_y);
constrain_all_screen_monitors (device, monitor_manager, new_x, new_y);
}
static ClutterBackend *