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MetaMonitorManager: Track primary monitor by pointer instead of index

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Instead of keeping an index in an array to keep track of the current
primary logical monitor, just keep a pointer instead.

https://bugzilla.gnome.org/show_bug.cgi?id=777732
This commit is contained in:
Jonas Ådahl 2016-11-28 20:43:27 +08:00
parent e22bbd4b14
commit c936056663
5 changed files with 31 additions and 30 deletions
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13
src/backends/meta-backend.c
View File

@ -115,16 +115,11 @@ center_pointer (MetaBackend *backend)
{
MetaBackendPrivate *priv = meta_backend_get_instance_private (backend);
MetaMonitorManager *monitor_manager = priv->monitor_manager;
MetaLogicalMonitor *logical_monitors, *primary;
unsigned int n_logical_monitors;
int primary_monitor_index;
MetaLogicalMonitor *primary;
primary =
meta_monitor_manager_get_primary_logical_monitor (monitor_manager);
logical_monitors =
meta_monitor_manager_get_logical_monitors (monitor_manager,
&n_logical_monitors);
primary_monitor_index =
meta_monitor_manager_get_primary_index (monitor_manager);
primary = &logical_monitors[primary_monitor_index];
meta_backend_warp_pointer (backend,
primary->rect.x + primary->rect.width / 2,
primary->rect.y + primary->rect.height / 2);

6
src/backends/meta-monitor-manager-private.h
View File

@ -306,7 +306,7 @@ struct _MetaMonitorManager
MetaLogicalMonitor *logical_monitors;
unsigned int n_logical_monitors;
int primary_monitor_index;
MetaLogicalMonitor *primary_logical_monitor;
int dbus_name_id;
@ -368,6 +368,8 @@ int meta_monitor_manager_get_num_logical_monitors (MetaMonitorMa
MetaLogicalMonitor *meta_monitor_manager_get_logical_monitors (MetaMonitorManager *manager,
unsigned int *n_logical_monitors);
MetaLogicalMonitor *meta_monitor_manager_get_primary_logical_monitor (MetaMonitorManager *manager);
MetaOutput *meta_monitor_manager_get_outputs (MetaMonitorManager *manager,
unsigned int *n_outputs);
@ -379,8 +381,6 @@ void meta_monitor_manager_get_resources (MetaMonitorManager
MetaOutput **outputs,
unsigned int *n_outputs);
int meta_monitor_manager_get_primary_index (MetaMonitorManager *manager);
void meta_monitor_manager_get_screen_size (MetaMonitorManager *manager,
int *width,
int *height);

23
src/backends/meta-monitor-manager.c
View File

@ -247,6 +247,7 @@ make_logical_config (MetaMonitorManager *manager)
/* Now walk the list of outputs applying extended properties (primary
and presentation)
*/
manager->primary_logical_monitor = NULL;
for (i = 0; i < manager->n_outputs; i++)
{
MetaOutput *output;
@ -283,12 +284,20 @@ make_logical_config (MetaMonitorManager *manager)
logical_monitor->winsys_id = output->winsys_id;
if (logical_monitor->is_primary)
manager->primary_monitor_index = logical_monitor->number;
manager->primary_logical_monitor = logical_monitor;
}
manager->n_logical_monitors = logical_monitors->len;
manager->logical_monitors = (void*)g_array_free (logical_monitors, FALSE);
/*
* If no monitor was marked as primary, fall back on marking the first
* logical monitor the primary one.
*/
if (!manager->primary_logical_monitor &&
manager->n_logical_monitors > 0)
manager->primary_logical_monitor = &manager->logical_monitors[0];
if (manager_class->add_monitor)
for (i = 0; i < manager->n_logical_monitors; i++)
manager_class->add_monitor (manager, &manager->logical_monitors[i]);
@ -1305,6 +1314,12 @@ meta_monitor_manager_get_logical_monitors (MetaMonitorManager *manager,
return manager->logical_monitors;
}
MetaLogicalMonitor *
meta_monitor_manager_get_primary_logical_monitor (MetaMonitorManager *manager)
{
return manager->primary_logical_monitor;
}
MetaOutput *
meta_monitor_manager_get_outputs (MetaMonitorManager *manager,
unsigned int *n_outputs)
@ -1339,12 +1354,6 @@ meta_monitor_manager_get_resources (MetaMonitorManager *manager,
}
}
int
meta_monitor_manager_get_primary_index (MetaMonitorManager *manager)
{
return manager->primary_monitor_index;
}
void
meta_monitor_manager_get_screen_size (MetaMonitorManager *manager,
int *width,

8
src/core/screen.c
View File

@ -1732,10 +1732,16 @@ meta_screen_get_primary_monitor (MetaScreen *screen)
MetaBackend *backend = meta_get_backend ();
MetaMonitorManager *monitor_manager =
meta_backend_get_monitor_manager (backend);
MetaLogicalMonitor *logical_monitor;
g_return_val_if_fail (META_IS_SCREEN (screen), 0);
return meta_monitor_manager_get_primary_index (monitor_manager);
logical_monitor =
meta_monitor_manager_get_primary_logical_monitor (monitor_manager);
if (logical_monitor)
return logical_monitor->number;
else
return 0;
}
/**

11
src/core/window.c
View File

@ -3565,9 +3565,6 @@ meta_window_update_for_monitors_changed (MetaWindow *window)
MetaBackend *backend = meta_get_backend ();
MetaMonitorManager *monitor_manager =
meta_backend_get_monitor_manager (backend);
MetaLogicalMonitor *logical_monitors;
unsigned int n_logical_monitors;
int primary_monitor_index;
const MetaLogicalMonitor *old, *new;
if (window->fullscreen_monitors[0] != -1)
@ -3588,15 +3585,9 @@ meta_window_update_for_monitors_changed (MetaWindow *window)
if (!new)
new = find_monitor_by_winsys_id (window, old->winsys_id);
logical_monitors =
meta_monitor_manager_get_logical_monitors (monitor_manager,
&n_logical_monitors);
primary_monitor_index =
meta_monitor_manager_get_primary_index (monitor_manager);
/* Fall back to primary if everything else failed */
if (!new)
new = &logical_monitors[primary_monitor_index];
new = meta_monitor_manager_get_primary_logical_monitor (monitor_manager);
if (window->tile_mode != META_TILE_NONE)
window->tile_monitor_number = new->number;