diff options
Diffstat (limited to 'panels/display/cc-display-config-dbus.c')
| -rw-r--r-- | panels/display/cc-display-config-dbus.c | 2116 |
1 files changed, 2116 insertions, 0 deletions
diff --git a/panels/display/cc-display-config-dbus.c b/panels/display/cc-display-config-dbus.c new file mode 100644 index 0000000..c3b269d --- /dev/null +++ b/panels/display/cc-display-config-dbus.c @@ -0,0 +1,2116 @@ +/* + * Copyright (C) 2017 Red Hat, Inc. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. + * + */ + +#include <float.h> +#include <math.h> +#include <gio/gio.h> + +#include "cc-display-config-dbus.h" + +#define MODE_BASE_FORMAT "siiddad" +#define MODE_FORMAT "(" MODE_BASE_FORMAT "a{sv})" +#define MODES_FORMAT "a" MODE_FORMAT +#define MONITOR_SPEC_FORMAT "(ssss)" +#define MONITOR_FORMAT "(" MONITOR_SPEC_FORMAT MODES_FORMAT "a{sv})" +#define MONITORS_FORMAT "a" MONITOR_FORMAT + +#define LOGICAL_MONITOR_MONITORS_FORMAT "a" MONITOR_SPEC_FORMAT +#define LOGICAL_MONITOR_FORMAT "(iidub" LOGICAL_MONITOR_MONITORS_FORMAT "a{sv})" +#define LOGICAL_MONITORS_FORMAT "a" LOGICAL_MONITOR_FORMAT + +#define CURRENT_STATE_FORMAT "(u" MONITORS_FORMAT LOGICAL_MONITORS_FORMAT "a{sv})" + +typedef enum _CcDisplayModeFlags +{ + MODE_PREFERRED = 1 << 0, + MODE_CURRENT = 1 << 1, + MODE_INTERLACED = 1 << 2, +} CcDisplayModeFlags; + +struct _CcDisplayModeDBus +{ + CcDisplayMode parent_instance; + CcDisplayMonitorDBus *monitor; + + char *id; + int width; + int height; + double refresh_rate; + double preferred_scale; + GArray *supported_scales; + guint32 flags; +}; + +G_DEFINE_TYPE (CcDisplayModeDBus, + cc_display_mode_dbus, + CC_TYPE_DISPLAY_MODE) + +static gboolean +cc_display_mode_dbus_equal (const CcDisplayModeDBus *m1, + const CcDisplayModeDBus *m2) +{ + if (!m1 && !m2) + return TRUE; + else if (!m1 || !m2) + return FALSE; + + return m1->width == m2->width && + m1->height == m2->height && + m1->refresh_rate == m2->refresh_rate && + (m1->flags & MODE_INTERLACED) == (m2->flags & MODE_INTERLACED); +} + +static gboolean +cc_display_mode_dbus_is_clone_mode (CcDisplayMode *pself) +{ + CcDisplayModeDBus *self = CC_DISPLAY_MODE_DBUS (pself); + + return !self->id; +} + +static void +cc_display_mode_dbus_get_resolution (CcDisplayMode *pself, + int *w, int *h) +{ + CcDisplayModeDBus *self = CC_DISPLAY_MODE_DBUS (pself); + + if (w) + *w = self->width; + if (h) + *h = self->height; +} + +static GArray * cc_display_mode_dbus_get_supported_scales (CcDisplayMode *pself); + +static double +cc_display_mode_dbus_get_preferred_scale (CcDisplayMode *pself) +{ + CcDisplayModeDBus *self = CC_DISPLAY_MODE_DBUS (pself); + + return self->preferred_scale; +} + +static gboolean +cc_display_mode_dbus_is_supported_scale (CcDisplayMode *pself, + double scale) +{ + CcDisplayModeDBus *self = CC_DISPLAY_MODE_DBUS (pself); + + guint i; + for (i = 0; i < self->supported_scales->len; i++) + { + double v = g_array_index (self->supported_scales, double, i); + + if (G_APPROX_VALUE (v, scale, DBL_EPSILON)) + return TRUE; + } + return FALSE; +} + + +static gboolean +cc_display_mode_dbus_is_interlaced (CcDisplayMode *pself) +{ + CcDisplayModeDBus *self = CC_DISPLAY_MODE_DBUS (pself); + + return !!(self->flags & MODE_INTERLACED); +} + +static gboolean +cc_display_mode_dbus_is_preferred (CcDisplayMode *pself) +{ + CcDisplayModeDBus *self = CC_DISPLAY_MODE_DBUS (pself); + + return !!(self->flags & MODE_PREFERRED); +} + +static int +cc_display_mode_dbus_get_freq (CcDisplayMode *pself) +{ + CcDisplayModeDBus *self = CC_DISPLAY_MODE_DBUS (pself); + + return self->refresh_rate; +} + +static double +cc_display_mode_dbus_get_freq_f (CcDisplayMode *pself) +{ + CcDisplayModeDBus *self = CC_DISPLAY_MODE_DBUS (pself); + + return self->refresh_rate; +} + +static void +cc_display_mode_dbus_init (CcDisplayModeDBus *self) +{ + self->supported_scales = g_array_new (FALSE, FALSE, sizeof (double)); +} + +static void +cc_display_mode_dbus_finalize (GObject *object) +{ + CcDisplayModeDBus *self = CC_DISPLAY_MODE_DBUS (object); + + g_free (self->id); + g_array_free (self->supported_scales, TRUE); + + G_OBJECT_CLASS (cc_display_mode_dbus_parent_class)->finalize (object); +} + +static void +cc_display_mode_dbus_class_init (CcDisplayModeDBusClass *klass) +{ + GObjectClass *gobject_class = G_OBJECT_CLASS (klass); + CcDisplayModeClass *parent_class = CC_DISPLAY_MODE_CLASS (klass); + + gobject_class->finalize = cc_display_mode_dbus_finalize; + + parent_class->is_clone_mode = cc_display_mode_dbus_is_clone_mode; + parent_class->get_resolution = cc_display_mode_dbus_get_resolution; + parent_class->get_supported_scales = cc_display_mode_dbus_get_supported_scales; + parent_class->get_preferred_scale = cc_display_mode_dbus_get_preferred_scale; + parent_class->is_interlaced = cc_display_mode_dbus_is_interlaced; + parent_class->is_preferred = cc_display_mode_dbus_is_preferred; + parent_class->get_freq = cc_display_mode_dbus_get_freq; + parent_class->get_freq_f = cc_display_mode_dbus_get_freq_f; +} + +static CcDisplayModeDBus * +cc_display_mode_dbus_new_virtual (int width, + int height, + double preferred_scale, + GArray *supported_scales) +{ + g_autoptr(GVariant) properties_variant = NULL; + CcDisplayModeDBus *self; + + self = g_object_new (CC_TYPE_DISPLAY_MODE_DBUS, NULL); + + self->width = width; + self->height = height; + self->preferred_scale = preferred_scale; + self->supported_scales = g_array_ref (supported_scales); + + return self; +} + +static CcDisplayModeDBus * +cc_display_mode_dbus_new (CcDisplayMonitorDBus *monitor, + GVariant *variant) +{ + double d; + g_autoptr(GVariantIter) scales_iter = NULL; + g_autoptr(GVariant) properties_variant = NULL; + gboolean is_current; + gboolean is_preferred; + gboolean is_interlaced; + CcDisplayModeDBus *self = g_object_new (CC_TYPE_DISPLAY_MODE_DBUS, NULL); + + self->monitor = monitor; + + g_variant_get (variant, "(" MODE_BASE_FORMAT "@a{sv})", + &self->id, + &self->width, + &self->height, + &self->refresh_rate, + &self->preferred_scale, + &scales_iter, + &properties_variant); + + while (g_variant_iter_next (scales_iter, "d", &d)) + g_array_append_val (self->supported_scales, d); + + if (!g_variant_lookup (properties_variant, "is-current", "b", &is_current)) + is_current = FALSE; + if (!g_variant_lookup (properties_variant, "is-preferred", "b", &is_preferred)) + is_preferred = FALSE; + if (!g_variant_lookup (properties_variant, "is-interlaced", "b", &is_interlaced)) + is_interlaced = FALSE; + + if (is_current) + self->flags |= MODE_CURRENT; + if (is_preferred) + self->flags |= MODE_PREFERRED; + if (is_interlaced) + self->flags |= MODE_INTERLACED; + + return self; +} + + +#define CC_TYPE_DISPLAY_LOGICAL_MONITOR (cc_display_logical_monitor_get_type ()) +G_DECLARE_FINAL_TYPE (CcDisplayLogicalMonitor, cc_display_logical_monitor, + CC, DISPLAY_LOGICAL_MONITOR, GObject) + +struct _CcDisplayLogicalMonitor +{ + GObject parent_instance; + + int x; + int y; + double scale; + CcDisplayRotation rotation; + gboolean primary; + + GHashTable *monitors; +}; + +G_DEFINE_TYPE (CcDisplayLogicalMonitor, + cc_display_logical_monitor, + G_TYPE_OBJECT) + +static gboolean +cc_display_logical_monitor_equal (const CcDisplayLogicalMonitor *m1, + const CcDisplayLogicalMonitor *m2) +{ + if (!m1 && !m2) + return TRUE; + else if (!m1 || !m2) + return FALSE; + + return m1->x == m2->x && + m1->y == m2->y && + G_APPROX_VALUE (m1->scale, m2->scale, DBL_EPSILON) && + m1->rotation == m2->rotation && + m1->primary == m2->primary; +} + +static void +cc_display_logical_monitor_init (CcDisplayLogicalMonitor *self) +{ + self->scale = 1.0; + self->monitors = g_hash_table_new (NULL, NULL); +} + +static void +cc_display_logical_monitor_finalize (GObject *object) +{ + CcDisplayLogicalMonitor *self = CC_DISPLAY_LOGICAL_MONITOR (object); + + g_warn_if_fail (g_hash_table_size (self->monitors) == 0); + g_clear_pointer (&self->monitors, g_hash_table_destroy); + + G_OBJECT_CLASS (cc_display_logical_monitor_parent_class)->finalize (object); +} + +static void +cc_display_logical_monitor_class_init (CcDisplayLogicalMonitorClass *klass) +{ + GObjectClass *gobject_class = G_OBJECT_CLASS (klass); + + gobject_class->finalize = cc_display_logical_monitor_finalize; +} + + +typedef enum _CcDisplayMonitorUnderscanning +{ + UNDERSCANNING_UNSUPPORTED = 0, + UNDERSCANNING_DISABLED, + UNDERSCANNING_ENABLED +} CcDisplayMonitorUnderscanning; + +struct _CcDisplayMonitorDBus +{ + CcDisplayMonitor parent_instance; + CcDisplayConfigDBus *config; + + gchar *connector_name; + gchar *vendor_name; + gchar *product_name; + gchar *product_serial; + gchar *display_name; + + int width_mm; + int height_mm; + gboolean builtin; + CcDisplayMonitorUnderscanning underscanning; + CcDisplayMonitorPrivacy privacy_screen; + int max_width; + int max_height; + + GList *modes; + CcDisplayMode *current_mode; + CcDisplayMode *preferred_mode; + + CcDisplayLogicalMonitor *logical_monitor; +}; + +G_DEFINE_TYPE (CcDisplayMonitorDBus, + cc_display_monitor_dbus, + CC_TYPE_DISPLAY_MONITOR) + +static void +register_logical_monitor (CcDisplayConfigDBus *self, + CcDisplayLogicalMonitor *logical_monitor); +static void +cc_display_config_dbus_set_primary (CcDisplayConfigDBus *self, + CcDisplayMonitorDBus *new_primary); +static void +cc_display_config_dbus_unset_primary (CcDisplayConfigDBus *self, + CcDisplayMonitorDBus *old_primary); +static void +cc_display_config_dbus_ensure_non_offset_coords (CcDisplayConfigDBus *self); +static void +cc_display_config_dbus_append_right (CcDisplayConfigDBus *self, + CcDisplayLogicalMonitor *monitor); +static void +cc_display_config_dbus_make_linear (CcDisplayConfigDBus *self); + + +static const char * +cc_display_monitor_dbus_get_display_name (CcDisplayMonitor *pself) +{ + CcDisplayMonitorDBus *self = CC_DISPLAY_MONITOR_DBUS (pself); + + if (self->display_name) + return self->display_name; + + return self->connector_name; +} + +static const char * +cc_display_monitor_dbus_get_connector_name (CcDisplayMonitor *pself) +{ + CcDisplayMonitorDBus *self = CC_DISPLAY_MONITOR_DBUS (pself); + + return self->connector_name; +} + +static gboolean +cc_display_monitor_dbus_is_builtin (CcDisplayMonitor *pself) +{ + CcDisplayMonitorDBus *self = CC_DISPLAY_MONITOR_DBUS (pself); + + return self->builtin; +} + +static gboolean +cc_display_monitor_dbus_is_primary (CcDisplayMonitor *pself) +{ + CcDisplayMonitorDBus *self = CC_DISPLAY_MONITOR_DBUS (pself); + + if (self->logical_monitor) + return self->logical_monitor->primary; + + return FALSE; +} + +static void +cc_display_monitor_dbus_set_primary (CcDisplayMonitor *pself, + gboolean primary) +{ + CcDisplayMonitorDBus *self = CC_DISPLAY_MONITOR_DBUS (pself); + + if (primary) + cc_display_config_dbus_set_primary (self->config, self); + else + cc_display_config_dbus_unset_primary (self->config, self); +} + +static gboolean +cc_display_monitor_dbus_is_active (CcDisplayMonitor *pself) +{ + CcDisplayMonitorDBus *self = CC_DISPLAY_MONITOR_DBUS (pself); + + return self->logical_monitor != NULL; +} + +static void +cc_display_monitor_dbus_set_logical_monitor (CcDisplayMonitorDBus *self, + CcDisplayLogicalMonitor *logical_monitor) +{ + gboolean was_primary = FALSE; + + if (self->logical_monitor) + { + was_primary = self->logical_monitor->primary; + if (was_primary) + cc_display_config_dbus_unset_primary (self->config, self); + g_hash_table_remove (self->logical_monitor->monitors, self); + g_object_unref (self->logical_monitor); + } + + self->logical_monitor = logical_monitor; + + if (self->logical_monitor) + { + g_hash_table_add (self->logical_monitor->monitors, self); + g_object_ref (self->logical_monitor); + /* unset primary with NULL will select this monitor if it is the only one.*/ + if (was_primary) + cc_display_config_dbus_set_primary (self->config, self); + else + cc_display_config_dbus_unset_primary (self->config, NULL); + } +} + +static void +cc_display_monitor_dbus_set_active (CcDisplayMonitor *pself, + gboolean active) +{ + CcDisplayMonitorDBus *self = CC_DISPLAY_MONITOR_DBUS (pself); + + if (!self->current_mode && active) + { + if (self->preferred_mode) + self->current_mode = self->preferred_mode; + else if (self->modes) + self->current_mode = (CcDisplayMode *) self->modes->data; + else + g_warning ("Couldn't find a mode to activate monitor at %s", self->connector_name); + } + + if (!self->logical_monitor && active) + { + CcDisplayLogicalMonitor *logical_monitor; + logical_monitor = g_object_new (CC_TYPE_DISPLAY_LOGICAL_MONITOR, NULL); + cc_display_monitor_dbus_set_logical_monitor (self, logical_monitor); + cc_display_config_dbus_append_right (self->config, logical_monitor); + register_logical_monitor (self->config, logical_monitor); + } + else if (self->logical_monitor && !active) + { + cc_display_monitor_dbus_set_logical_monitor (self, NULL); + } + + g_signal_emit_by_name (self, "active"); +} + +static CcDisplayRotation +cc_display_monitor_dbus_get_rotation (CcDisplayMonitor *pself) +{ + CcDisplayMonitorDBus *self = CC_DISPLAY_MONITOR_DBUS (pself); + + if (self->logical_monitor) + return self->logical_monitor->rotation; + + return CC_DISPLAY_ROTATION_NONE; +} + +static void +cc_display_monitor_dbus_set_rotation (CcDisplayMonitor *pself, + CcDisplayRotation rotation) +{ + CcDisplayMonitorDBus *self = CC_DISPLAY_MONITOR_DBUS (pself); + + if (!self->logical_monitor) + return; + + if (self->logical_monitor->rotation != rotation) + { + self->logical_monitor->rotation = rotation; + + g_signal_emit_by_name (self, "rotation"); + } +} + +static gboolean +cc_display_monitor_dbus_supports_rotation (CcDisplayMonitor *pself, + CcDisplayRotation rotation) +{ + return TRUE; +} + +static void +cc_display_monitor_dbus_get_physical_size (CcDisplayMonitor *pself, + int *w, int *h) +{ + CcDisplayMonitorDBus *self = CC_DISPLAY_MONITOR_DBUS (pself); + + if (w) + *w = self->width_mm; + if (h) + *h = self->height_mm; +} + +static void +cc_display_monitor_dbus_get_geometry (CcDisplayMonitor *pself, + int *x, int *y, int *w, int *h) +{ + CcDisplayMonitorDBus *self = CC_DISPLAY_MONITOR_DBUS (pself); + CcDisplayMode *mode = NULL; + + if (self->logical_monitor) + { + if (x) + *x = self->logical_monitor->x; + if (y) + *y = self->logical_monitor->y; + } + else + { + if (x) + *x = -1; + if (y) + *y = -1; + } + + if (self->current_mode) + mode = self->current_mode; + else if (self->preferred_mode) + mode = self->preferred_mode; + else if (self->modes) + mode = CC_DISPLAY_MODE (self->modes->data); + + if (mode) + cc_display_mode_get_resolution (mode, w, h); + else + { + g_warning ("Monitor at %s has no modes?", self->connector_name); + if (w) + *w = -1; + if (h) + *h = -1; + } +} + +static CcDisplayMode * +cc_display_monitor_dbus_get_mode (CcDisplayMonitor *pself) +{ + CcDisplayMonitorDBus *self = CC_DISPLAY_MONITOR_DBUS (pself); + + return self->current_mode; +} + +static CcDisplayMode * +cc_display_monitor_dbus_get_preferred_mode (CcDisplayMonitor *pself) +{ + CcDisplayMonitorDBus *self = CC_DISPLAY_MONITOR_DBUS (pself); + + return self->preferred_mode; +} + +static guint32 +cc_display_monitor_dbus_get_id (CcDisplayMonitor *pself) +{ + return 0; +} + +static GList * +cc_display_monitor_dbus_get_modes (CcDisplayMonitor *pself) +{ + CcDisplayMonitorDBus *self = CC_DISPLAY_MONITOR_DBUS (pself); + + return self->modes; +} + +static gboolean +cc_display_monitor_dbus_supports_underscanning (CcDisplayMonitor *pself) +{ + CcDisplayMonitorDBus *self = CC_DISPLAY_MONITOR_DBUS (pself); + + return self->underscanning != UNDERSCANNING_UNSUPPORTED; +} + +static gboolean +cc_display_monitor_dbus_get_underscanning (CcDisplayMonitor *pself) +{ + CcDisplayMonitorDBus *self = CC_DISPLAY_MONITOR_DBUS (pself); + + return self->underscanning == UNDERSCANNING_ENABLED; +} + +static CcDisplayMonitorPrivacy +cc_display_monitor_dbus_get_privacy (CcDisplayMonitor *pself) +{ + CcDisplayMonitorDBus *self = CC_DISPLAY_MONITOR_DBUS (pself); + + return self->privacy_screen; +} + +static void +cc_display_monitor_dbus_set_underscanning (CcDisplayMonitor *pself, + gboolean underscanning) +{ + CcDisplayMonitorDBus *self = CC_DISPLAY_MONITOR_DBUS (pself); + + if (self->underscanning == UNDERSCANNING_UNSUPPORTED) + return; + + if (underscanning) + self->underscanning = UNDERSCANNING_ENABLED; + else + self->underscanning = UNDERSCANNING_DISABLED; +} + +static CcDisplayMode * +cc_display_monitor_dbus_get_closest_mode (CcDisplayMonitorDBus *self, + CcDisplayModeDBus *mode) +{ + CcDisplayModeDBus *best = NULL; + GList *l; + + for (l = self->modes; l != NULL; l = l->next) + { + CcDisplayModeDBus *similar = l->data; + + if (similar->width != mode->width || + similar->height != mode->height) + continue; + + if (similar->refresh_rate == mode->refresh_rate && + (similar->flags & MODE_INTERLACED) == (mode->flags & MODE_INTERLACED)) + { + best = similar; + break; + } + + /* There might be a better heuristic. */ + if (!best || best->refresh_rate < similar->refresh_rate) + { + best = similar; + continue; + } + } + + return CC_DISPLAY_MODE (best); +} + +static void +cc_display_monitor_dbus_set_mode (CcDisplayMonitor *pself, + CcDisplayMode *new_mode) +{ + CcDisplayMonitorDBus *self = CC_DISPLAY_MONITOR_DBUS (pself); + CcDisplayMode *mode; + + g_return_if_fail (new_mode != NULL); + + mode = cc_display_monitor_dbus_get_closest_mode (self, CC_DISPLAY_MODE_DBUS (new_mode)); + + self->current_mode = mode; + + if (!cc_display_mode_dbus_is_supported_scale (mode, cc_display_monitor_get_scale (pself))) + cc_display_monitor_set_scale (pself, cc_display_mode_get_preferred_scale (mode)); + + g_signal_emit_by_name (self, "mode"); +} + +static void +cc_display_monitor_dbus_set_compatible_clone_mode (CcDisplayMonitor *pself, + CcDisplayMode *clone_mode) +{ + CcDisplayMonitorDBus *self = CC_DISPLAY_MONITOR_DBUS (pself); + GList *l; + CcDisplayMode *best_mode = NULL; + int clone_width, clone_height; + + g_return_if_fail (cc_display_mode_is_clone_mode (clone_mode)); + + cc_display_mode_get_resolution (clone_mode, &clone_width, &clone_height); + + for (l = self->modes; l; l = l->next) + { + CcDisplayMode *mode = l->data; + int width, height; + + cc_display_mode_get_resolution (mode, &width, &height); + if (width != clone_width || height != clone_height) + continue; + + if (!best_mode) + { + best_mode = mode; + continue; + } + + if (cc_display_mode_get_freq_f (mode) > + cc_display_mode_get_freq_f (best_mode)) + best_mode = mode; + } + + g_return_if_fail (best_mode); + + cc_display_monitor_set_mode (CC_DISPLAY_MONITOR (self), best_mode); +} + +static void +cc_display_monitor_dbus_set_position (CcDisplayMonitor *pself, + int x, int y) +{ + CcDisplayMonitorDBus *self = CC_DISPLAY_MONITOR_DBUS (pself); + + if (self->logical_monitor) + { + gboolean notify = FALSE; + + if (self->logical_monitor->x != x || self->logical_monitor->y != y) + notify = TRUE; + + self->logical_monitor->x = x; + self->logical_monitor->y = y; + + if (notify) + g_signal_emit_by_name (self, "position-changed"); + } + +} + +static double +cc_display_monitor_dbus_get_scale (CcDisplayMonitor *pself) +{ + CcDisplayMonitorDBus *self = CC_DISPLAY_MONITOR_DBUS (pself); + + if (self->logical_monitor) + return self->logical_monitor->scale; + + return 1.0; +} + +static void +cc_display_monitor_dbus_set_scale (CcDisplayMonitor *pself, + double scale) +{ + CcDisplayMonitorDBus *self = CC_DISPLAY_MONITOR_DBUS (pself); + + if (!self->current_mode) + return; + + if (!cc_display_mode_dbus_is_supported_scale (self->current_mode, scale)) + return; + + if (!self->logical_monitor) + return; + + if (!G_APPROX_VALUE (self->logical_monitor->scale, scale, DBL_EPSILON)) + { + self->logical_monitor->scale = scale; + + g_signal_emit_by_name (self, "scale"); + } +} + +static void +cc_display_monitor_dbus_init (CcDisplayMonitorDBus *self) +{ + self->underscanning = UNDERSCANNING_UNSUPPORTED; + self->max_width = G_MAXINT; + self->max_height = G_MAXINT; +} + +static void +cc_display_monitor_dbus_finalize (GObject *object) +{ + CcDisplayMonitorDBus *self = CC_DISPLAY_MONITOR_DBUS (object); + + g_free (self->connector_name); + g_free (self->vendor_name); + g_free (self->product_name); + g_free (self->product_serial); + g_free (self->display_name); + + g_list_free_full (self->modes, g_object_unref); + + if (self->logical_monitor) + { + g_hash_table_remove (self->logical_monitor->monitors, self); + g_object_unref (self->logical_monitor); + } + + G_OBJECT_CLASS (cc_display_monitor_dbus_parent_class)->finalize (object); +} + +static void +cc_display_monitor_dbus_class_init (CcDisplayMonitorDBusClass *klass) +{ + GObjectClass *gobject_class = G_OBJECT_CLASS (klass); + CcDisplayMonitorClass *parent_class = CC_DISPLAY_MONITOR_CLASS (klass); + + gobject_class->finalize = cc_display_monitor_dbus_finalize; + + parent_class->get_display_name = cc_display_monitor_dbus_get_display_name; + parent_class->get_connector_name = cc_display_monitor_dbus_get_connector_name; + parent_class->is_builtin = cc_display_monitor_dbus_is_builtin; + parent_class->is_primary = cc_display_monitor_dbus_is_primary; + parent_class->set_primary = cc_display_monitor_dbus_set_primary; + parent_class->is_active = cc_display_monitor_dbus_is_active; + parent_class->set_active = cc_display_monitor_dbus_set_active; + parent_class->get_rotation = cc_display_monitor_dbus_get_rotation; + parent_class->set_rotation = cc_display_monitor_dbus_set_rotation; + parent_class->supports_rotation = cc_display_monitor_dbus_supports_rotation; + parent_class->get_physical_size = cc_display_monitor_dbus_get_physical_size; + parent_class->get_geometry = cc_display_monitor_dbus_get_geometry; + parent_class->get_mode = cc_display_monitor_dbus_get_mode; + parent_class->get_preferred_mode = cc_display_monitor_dbus_get_preferred_mode; + parent_class->get_id = cc_display_monitor_dbus_get_id; + parent_class->get_modes = cc_display_monitor_dbus_get_modes; + parent_class->supports_underscanning = cc_display_monitor_dbus_supports_underscanning; + parent_class->get_underscanning = cc_display_monitor_dbus_get_underscanning; + parent_class->set_underscanning = cc_display_monitor_dbus_set_underscanning; + parent_class->get_privacy = cc_display_monitor_dbus_get_privacy; + parent_class->set_mode = cc_display_monitor_dbus_set_mode; + parent_class->set_compatible_clone_mode = cc_display_monitor_dbus_set_compatible_clone_mode; + parent_class->set_position = cc_display_monitor_dbus_set_position; + parent_class->get_scale = cc_display_monitor_dbus_get_scale; + parent_class->set_scale = cc_display_monitor_dbus_set_scale; +} + +static void +construct_modes (CcDisplayMonitorDBus *self, + GVariantIter *modes) +{ + CcDisplayModeDBus *mode; + + while (TRUE) + { + g_autoptr(GVariant) variant = NULL; + + if (!g_variant_iter_next (modes, "@"MODE_FORMAT, &variant)) + break; + + mode = cc_display_mode_dbus_new (self, variant); + self->modes = g_list_prepend (self->modes, mode); + + if (mode->flags & MODE_PREFERRED) + self->preferred_mode = CC_DISPLAY_MODE (mode); + if (mode->flags & MODE_CURRENT) + self->current_mode = CC_DISPLAY_MODE (mode); + } + + self->modes = g_list_reverse (self->modes); +} + +static CcDisplayMonitorDBus * +cc_display_monitor_dbus_new (GVariant *variant, + CcDisplayConfigDBus *config) +{ + CcDisplayMonitorDBus *self = g_object_new (CC_TYPE_DISPLAY_MONITOR_DBUS, NULL); + gchar *s1, *s2, *s3, *s4; + g_autoptr(GVariantIter) modes = NULL; + g_autoptr(GVariantIter) props = NULL; + + self->config = config; + + g_variant_get (variant, MONITOR_FORMAT, + &s1, &s2, &s3, &s4, &modes, &props); + self->connector_name = s1; + self->vendor_name = s2; + self->product_name = s3; + self->product_serial = s4; + + construct_modes (self, modes); + + while (TRUE) + { + const char *s; + g_autoptr(GVariant) v = NULL; + + if (!g_variant_iter_next (props, "{&sv}", &s, &v)) + break; + + if (g_str_equal (s, "width-mm")) + { + g_variant_get (v, "i", &self->width_mm); + } + else if (g_str_equal (s, "height-mm")) + { + g_variant_get (v, "i", &self->height_mm); + } + else if (g_str_equal (s, "is-underscanning")) + { + gboolean underscanning = FALSE; + g_variant_get (v, "b", &underscanning); + if (underscanning) + self->underscanning = UNDERSCANNING_ENABLED; + else + self->underscanning = UNDERSCANNING_DISABLED; + } + else if (g_str_equal (s, "max-screen-size")) + { + g_variant_get (v, "ii", &self->max_width, &self->max_height); + } + else if (g_str_equal (s, "is-builtin")) + { + g_variant_get (v, "b", &self->builtin); + } + else if (g_str_equal (s, "display-name")) + { + g_variant_get (v, "s", &self->display_name); + } + else if (g_str_equal (s, "privacy-screen-state")) + { + gboolean enabled; + gboolean locked; + g_variant_get (v, "(bb)", &enabled, &locked); + + if (enabled) + self->privacy_screen = CC_DISPLAY_MONITOR_PRIVACY_ENABLED; + else + self->privacy_screen = CC_DISPLAY_MONITOR_PRIVACY_DISABLED; + + if (locked) + self->privacy_screen |= CC_DISPLAY_MONITOR_PRIVACY_LOCKED; + } + } + + return self; +} + + +typedef enum _CcDisplayLayoutMode +{ + CC_DISPLAY_LAYOUT_MODE_LOGICAL = 1, + CC_DISPLAY_LAYOUT_MODE_PHYSICAL = 2 +} CcDisplayLayoutMode; + +typedef enum _CcDisplayConfigMethod +{ + CC_DISPLAY_CONFIG_METHOD_VERIFY = 0, + CC_DISPLAY_CONFIG_METHOD_TEMPORARY = 1, + CC_DISPLAY_CONFIG_METHOD_PERSISTENT = 2 +} CcDisplayConfigMethod; + +struct _CcDisplayConfigDBus +{ + CcDisplayConfig parent_instance; + + GVariant *state; + GDBusConnection *connection; + GDBusProxy *proxy; + + int min_width; + int min_height; + + guint panel_orientation_managed; + + guint32 serial; + gboolean supports_mirroring; + gboolean supports_changing_layout_mode; + gboolean global_scale_required; + CcDisplayLayoutMode layout_mode; + + GList *monitors; + CcDisplayMonitorDBus *primary; + + GHashTable *logical_monitors; +}; + +G_DEFINE_TYPE (CcDisplayConfigDBus, + cc_display_config_dbus, + CC_TYPE_DISPLAY_CONFIG) + +enum +{ + PROP_0, + PROP_STATE, + PROP_CONNECTION, +}; + +static GList * +cc_display_config_dbus_get_monitors (CcDisplayConfig *pself) +{ + CcDisplayConfigDBus *self = CC_DISPLAY_CONFIG_DBUS (pself); + + return self->monitors; +} + +static GVariant * +build_monitors_variant (GHashTable *monitors) +{ + GVariantBuilder builder; + GHashTableIter iter; + CcDisplayMonitorDBus *monitor; + + g_variant_builder_init (&builder, G_VARIANT_TYPE_ARRAY); + g_hash_table_iter_init (&iter, monitors); + + while (g_hash_table_iter_next (&iter, (void **) &monitor, NULL)) + { + GVariantBuilder props_builder; + CcDisplayModeDBus *mode_dbus; + + if (!monitor->current_mode) + continue; + + g_variant_builder_init (&props_builder, G_VARIANT_TYPE ("a{sv}")); + g_variant_builder_add (&props_builder, "{sv}", + "underscanning", + g_variant_new_boolean (monitor->underscanning == UNDERSCANNING_ENABLED)); + + mode_dbus = CC_DISPLAY_MODE_DBUS (monitor->current_mode); + g_variant_builder_add (&builder, "(ss@*)", + monitor->connector_name, + mode_dbus->id, + g_variant_builder_end (&props_builder)); + } + + return g_variant_builder_end (&builder); +} + +static GVariant * +build_logical_monitors_parameter (CcDisplayConfigDBus *self) +{ + GVariantBuilder builder; + GHashTableIter iter; + CcDisplayLogicalMonitor *logical_monitor; + + g_variant_builder_init (&builder, G_VARIANT_TYPE ("a(iiduba(ssa{sv}))")); + g_hash_table_iter_init (&iter, self->logical_monitors); + + while (g_hash_table_iter_next (&iter, (void **) &logical_monitor, NULL)) + g_variant_builder_add (&builder, "(iidub@*)", + logical_monitor->x, + logical_monitor->y, + logical_monitor->scale, + logical_monitor->rotation, + logical_monitor->primary, + build_monitors_variant (logical_monitor->monitors)); + + return g_variant_builder_end (&builder); +} + +static GVariant * +build_apply_parameters (CcDisplayConfigDBus *self, + CcDisplayConfigMethod method) +{ + GVariantBuilder props_builder; + g_variant_builder_init (&props_builder, G_VARIANT_TYPE ("a{sv}")); + + if (self->supports_changing_layout_mode) + g_variant_builder_add (&props_builder, "{sv}", + "layout-mode", g_variant_new_uint32 (self->layout_mode)); + + return g_variant_new ("(uu@*@*)", + self->serial, + method, + build_logical_monitors_parameter (self), + g_variant_builder_end (&props_builder)); +} + +static gboolean +config_apply (CcDisplayConfigDBus *self, + CcDisplayConfigMethod method, + GError **error) +{ + g_autoptr(GVariant) retval = NULL; + + cc_display_config_dbus_ensure_non_offset_coords (self); + + retval = g_dbus_proxy_call_sync (self->proxy, + "ApplyMonitorsConfig", + build_apply_parameters (self, method), + G_DBUS_CALL_FLAGS_NO_AUTO_START, + -1, + NULL, + error); + return retval != NULL; +} + +static gboolean +cc_display_config_dbus_is_applicable (CcDisplayConfig *pself) +{ + CcDisplayConfigDBus *self = CC_DISPLAY_CONFIG_DBUS (pself); + g_autoptr(GError) error = NULL; + + if (!config_apply (self, CC_DISPLAY_CONFIG_METHOD_VERIFY, &error)) + { + g_warning ("Config not applicable: %s", error->message); + return FALSE; + } + else + { + return TRUE; + } +} + +static CcDisplayMonitorDBus * +monitor_from_spec (CcDisplayConfigDBus *self, + const gchar *connector, + const gchar *vendor, + const gchar *product, + const gchar *serial) +{ + GList *l; + for (l = self->monitors; l != NULL; l = l->next) + { + CcDisplayMonitorDBus *m = l->data; + if (g_str_equal (m->connector_name, connector) && + g_str_equal (m->vendor_name, vendor) && + g_str_equal (m->product_name, product) && + g_str_equal (m->product_serial, serial)) + return m; + } + return NULL; +} + +static gboolean +cc_display_config_dbus_equal (CcDisplayConfig *pself, + CcDisplayConfig *pother) +{ + CcDisplayConfigDBus *self = CC_DISPLAY_CONFIG_DBUS (pself); + CcDisplayConfigDBus *other = CC_DISPLAY_CONFIG_DBUS (pother); + GList *l; + + g_return_val_if_fail (pself, FALSE); + g_return_val_if_fail (pother, FALSE); + + cc_display_config_dbus_ensure_non_offset_coords (self); + cc_display_config_dbus_ensure_non_offset_coords (other); + + for (l = self->monitors; l != NULL; l = l->next) + { + CcDisplayMonitorDBus *m1 = l->data; + CcDisplayMonitorDBus *m2 = monitor_from_spec (other, + m1->connector_name, + m1->vendor_name, + m1->product_name, + m1->product_serial); + if (!m2) + return FALSE; + + if (m1->underscanning != m2->underscanning) + return FALSE; + + if (!cc_display_logical_monitor_equal (m1->logical_monitor, m2->logical_monitor)) + return FALSE; + + /* Modes should not be compared if both monitors have no logical monitor. */ + if (m1->logical_monitor == NULL && m2->logical_monitor == NULL) + continue; + + if (!cc_display_mode_dbus_equal (CC_DISPLAY_MODE_DBUS (m1->current_mode), + CC_DISPLAY_MODE_DBUS (m2->current_mode))) + return FALSE; + } + + return TRUE; +} + +static void +cc_display_config_dbus_set_primary (CcDisplayConfigDBus *self, + CcDisplayMonitorDBus *new_primary) +{ + if (self->primary == new_primary) + return; + + if (!new_primary->logical_monitor) + return; + + if (self->primary && self->primary->logical_monitor) + { + self->primary->logical_monitor->primary = FALSE; + g_signal_emit_by_name (self->primary, "primary"); + } + + self->primary = new_primary; + self->primary->logical_monitor->primary = TRUE; + + g_signal_emit_by_name (self->primary, "primary"); + g_signal_emit_by_name (self, "primary"); +} + +static void +cc_display_config_dbus_unset_primary (CcDisplayConfigDBus *self, + CcDisplayMonitorDBus *old_primary) +{ + GList *l; + + if (self->primary != old_primary) + return; + + for (l = self->monitors; l != NULL; l = l->next) + { + CcDisplayMonitorDBus *monitor = l->data; + if (monitor->logical_monitor && + monitor != old_primary) + { + cc_display_config_dbus_set_primary (self, monitor); + break; + } + } + + if (self->primary == old_primary) + self->primary = NULL; +} + +static gboolean +cc_display_config_dbus_is_cloning (CcDisplayConfig *pself) +{ + CcDisplayConfigDBus *self = CC_DISPLAY_CONFIG_DBUS (pself); + guint n_active_monitors = 0; + GList *l; + + for (l = self->monitors; l != NULL; l = l->next) + if (cc_display_monitor_is_active (CC_DISPLAY_MONITOR (l->data))) + n_active_monitors += 1; + + return n_active_monitors > 1 && g_hash_table_size (self->logical_monitors) == 1; +} + +static void +cc_display_config_dbus_set_cloning (CcDisplayConfig *pself, + gboolean clone) +{ + CcDisplayConfigDBus *self = CC_DISPLAY_CONFIG_DBUS (pself); + gboolean is_cloning = cc_display_config_is_cloning (pself); + CcDisplayLogicalMonitor *logical_monitor; + GList *l; + + if (clone && !is_cloning) + { + logical_monitor = g_object_new (CC_TYPE_DISPLAY_LOGICAL_MONITOR, NULL); + for (l = self->monitors; l != NULL; l = l->next) + cc_display_monitor_dbus_set_logical_monitor (CC_DISPLAY_MONITOR_DBUS (l->data), + logical_monitor); + register_logical_monitor (self, logical_monitor); + } + else if (!clone && is_cloning) + { + for (l = self->monitors; l != NULL; l = l->next) + { + logical_monitor = g_object_new (CC_TYPE_DISPLAY_LOGICAL_MONITOR, NULL); + cc_display_monitor_dbus_set_logical_monitor (CC_DISPLAY_MONITOR_DBUS (l->data), + logical_monitor); + register_logical_monitor (self, logical_monitor); + } + cc_display_config_dbus_make_linear (self); + } +} + +static gboolean +mode_supports_scale (CcDisplayMode *mode, + double scale) +{ + g_autoptr(GArray) scales = NULL; + int i; + + scales = cc_display_mode_get_supported_scales (mode); + for (i = 0; i < scales->len; i++) + { + if (G_APPROX_VALUE (scale, g_array_index (scales, double, i), + DBL_EPSILON)) + return TRUE; + } + + return FALSE; +} + +static void +remove_unsupported_scales (CcDisplayMode *mode, + GArray *supported_scales) +{ + g_autoptr(GArray) mode_scales = NULL; + int i; + + mode_scales = cc_display_mode_get_supported_scales (mode); + i = 0; + while (i < supported_scales->len) + { + double scale; + + if (i == supported_scales->len) + break; + + scale = g_array_index (supported_scales, double, i); + + if (mode_supports_scale (mode, scale)) + { + i++; + continue; + } + + g_array_remove_range (supported_scales, i, 1); + } +} + +static gboolean +monitor_has_compatible_clone_mode (CcDisplayMonitorDBus *monitor, + CcDisplayModeDBus *mode, + GArray *supported_scales) +{ + GList *l; + + for (l = monitor->modes; l; l = l->next) + { + CcDisplayModeDBus *other_mode = l->data; + + if (other_mode->width != mode->width || + other_mode->height != mode->height) + continue; + + if ((other_mode->flags & MODE_INTERLACED) != + (mode->flags & MODE_INTERLACED)) + continue; + + remove_unsupported_scales (CC_DISPLAY_MODE (other_mode), supported_scales); + + return TRUE; + } + + return FALSE; +} + +static gboolean +monitors_has_compatible_clone_mode (CcDisplayConfigDBus *self, + CcDisplayModeDBus *mode, + GArray *supported_scales) +{ + GList *l; + + for (l = self->monitors; l; l = l->next) + { + CcDisplayMonitorDBus *monitor = l->data; + + if (!monitor_has_compatible_clone_mode (monitor, mode, supported_scales)) + return FALSE; + } + + return TRUE; +} + +static gboolean +is_mode_better (CcDisplayModeDBus *mode, + CcDisplayModeDBus *other_mode) +{ + if (mode->width * mode->height > other_mode->width * other_mode->height) + return TRUE; + else if (mode->width * mode->height < other_mode->width * other_mode->height) + return FALSE; + + if (!(mode->flags & MODE_INTERLACED) && + (other_mode->flags & MODE_INTERLACED)) + return TRUE; + + return FALSE; +} + +static GList * +cc_display_config_dbus_generate_cloning_modes (CcDisplayConfig *pself) +{ + CcDisplayConfigDBus *self = CC_DISPLAY_CONFIG_DBUS (pself); + CcDisplayMonitorDBus *base_monitor = NULL; + GList *l; + GList *clone_modes = NULL; + CcDisplayModeDBus *best_mode = NULL; + + for (l = self->monitors; l; l = l->next) + { + CcDisplayMonitor *monitor = l->data; + + if (cc_display_monitor_is_active (monitor)) + { + base_monitor = CC_DISPLAY_MONITOR_DBUS (monitor); + break; + } + } + + if (!base_monitor) + return NULL; + + for (l = base_monitor->modes; l; l = l->next) + { + CcDisplayModeDBus *mode = l->data; + CcDisplayModeDBus *virtual_mode; + g_autoptr (GArray) supported_scales = NULL; + + supported_scales = + cc_display_mode_get_supported_scales (CC_DISPLAY_MODE (mode)); + + if (!monitors_has_compatible_clone_mode (self, mode, supported_scales)) + continue; + + virtual_mode = cc_display_mode_dbus_new_virtual (mode->width, + mode->height, + mode->preferred_scale, + supported_scales); + clone_modes = g_list_append (clone_modes, virtual_mode); + + if (!best_mode || is_mode_better (virtual_mode, best_mode)) + best_mode = virtual_mode; + } + + best_mode->flags |= MODE_PREFERRED; + + return clone_modes; +} + +static gboolean +cc_display_config_dbus_apply (CcDisplayConfig *pself, + GError **error) +{ + CcDisplayConfigDBus *self = CC_DISPLAY_CONFIG_DBUS (pself); + + return config_apply (self, CC_DISPLAY_CONFIG_METHOD_PERSISTENT, error); +} + +static gboolean +cc_display_config_dbus_is_layout_logical (CcDisplayConfig *pself) +{ + CcDisplayConfigDBus *self = CC_DISPLAY_CONFIG_DBUS (pself); + + return self->layout_mode == CC_DISPLAY_LAYOUT_MODE_LOGICAL; +} + +static gboolean +is_scale_allowed_by_active_monitors (CcDisplayConfigDBus *self, + CcDisplayMode *mode, + double scale); + +static gboolean +is_scaled_mode_allowed (CcDisplayConfigDBus *self, + CcDisplayModeDBus *mode, + double scale) +{ + gint width, height; + + /* Do the math as if the monitor is always in landscape mode. */ + width = round (mode->width / scale); + height = round (mode->height / scale); + + if (MAX (width, height) < self->min_width || + MIN (width, height) < self->min_height) + return FALSE; + + if (!self->global_scale_required) + return TRUE; + + return is_scale_allowed_by_active_monitors (self, CC_DISPLAY_MODE (mode), scale); +} + +static gboolean +is_scale_allowed_by_active_monitors (CcDisplayConfigDBus *self, + CcDisplayMode *mode, + double scale) +{ + GList *l; + + for (l = self->monitors; l != NULL; l = l->next) + { + CcDisplayMonitorDBus *m = CC_DISPLAY_MONITOR_DBUS (l->data); + + if (!cc_display_monitor_is_active (CC_DISPLAY_MONITOR (m))) + continue; + + if (!cc_display_mode_dbus_is_supported_scale (mode, scale)) + return FALSE; + } + + return TRUE; +} + +static GArray * +cc_display_mode_dbus_get_supported_scales (CcDisplayMode *pself) +{ + CcDisplayModeDBus *self = CC_DISPLAY_MODE_DBUS (pself); + CcDisplayConfig *config = CC_DISPLAY_CONFIG (self->monitor->config); + + if (cc_display_config_is_cloning (config)) + { + GArray *scales = g_array_copy (self->supported_scales); + int i; + + for (i = scales->len - 1; i >= 0; i--) + { + double scale = g_array_index (scales, double, i); + + if (!is_scale_allowed_by_active_monitors (self->monitor->config, + pself, scale)) + g_array_remove_index (scales, i); + } + + return g_steal_pointer (&scales); + } + + return g_array_ref (self->supported_scales); +} + +static void +filter_out_invalid_scaled_modes (CcDisplayConfigDBus *self) +{ + GList *l; + + for (l = self->monitors; l; l = l->next) + { + CcDisplayMonitorDBus *monitor = l->data; + GList *ll = monitor->modes; + + while (ll != NULL) + { + CcDisplayModeDBus *mode = ll->data; + GList *current = ll; + double current_scale = -1; + int i; + + ll = ll->next; + + if (monitor->current_mode != CC_DISPLAY_MODE (mode) && + monitor->preferred_mode != CC_DISPLAY_MODE (mode) && + !is_scaled_mode_allowed (self, mode, 1.0)) + { + g_clear_object (&mode); + monitor->modes = g_list_delete_link (monitor->modes, current); + continue; + } + + if (monitor->current_mode == CC_DISPLAY_MODE (mode)) + current_scale = cc_display_monitor_dbus_get_scale (CC_DISPLAY_MONITOR (monitor)); + + for (i = mode->supported_scales->len - 1; i >= 0; i--) + { + float scale = g_array_index (mode->supported_scales, double, i); + + if (!G_APPROX_VALUE (scale, current_scale, DBL_EPSILON) && + !G_APPROX_VALUE (scale, mode->preferred_scale, DBL_EPSILON) && + !is_scaled_mode_allowed (self, mode, scale)) + { + g_array_remove_index (mode->supported_scales, i); + } + } + } + } +} + +static void +cc_display_config_dbus_set_minimum_size (CcDisplayConfig *pself, + int width, + int height) +{ + CcDisplayConfigDBus *self = CC_DISPLAY_CONFIG_DBUS (pself); + + g_assert (width >= 0 && height >= 0); + g_assert (((self->min_width == 0 && self->min_height == 0) || + (self->min_width >= width && self->min_height >= height)) && + "Minimum size can't be set again to higher values"); + + self->min_width = width; + self->min_height = height; + + filter_out_invalid_scaled_modes (self); +} + +static gboolean +cc_display_config_dbus_is_scaled_mode_valid (CcDisplayConfig *pself, + CcDisplayMode *mode, + double scale) +{ + CcDisplayConfigDBus *self = CC_DISPLAY_CONFIG_DBUS (pself); + + if (cc_display_config_is_cloning (pself)) + return is_scale_allowed_by_active_monitors (self, mode, scale); + + return cc_display_mode_dbus_is_supported_scale (mode, scale); +} + +static gboolean +cc_display_config_dbus_get_panel_orientation_managed (CcDisplayConfig *pself) +{ + CcDisplayConfigDBus *self = CC_DISPLAY_CONFIG_DBUS (pself); + + return self->panel_orientation_managed; +} + +static void +cc_display_config_dbus_init (CcDisplayConfigDBus *self) +{ + self->serial = 0; + self->supports_mirroring = TRUE; + self->supports_changing_layout_mode = FALSE; + self->global_scale_required = FALSE; + self->layout_mode = CC_DISPLAY_LAYOUT_MODE_LOGICAL; + self->logical_monitors = g_hash_table_new (NULL, NULL); +} + +static void +remove_logical_monitor (gpointer data, + GObject *object) +{ + CcDisplayConfigDBus *self = CC_DISPLAY_CONFIG_DBUS (data); + + g_hash_table_remove (self->logical_monitors, object); +} + +static void +register_logical_monitor (CcDisplayConfigDBus *self, + CcDisplayLogicalMonitor *logical_monitor) +{ + g_hash_table_add (self->logical_monitors, logical_monitor); + g_object_weak_ref (G_OBJECT (logical_monitor), remove_logical_monitor, self); + g_object_unref (logical_monitor); +} + +static void +apply_global_scale_requirement (CcDisplayConfigDBus *self, + CcDisplayMonitor *monitor) +{ + GList *l; + double scale = cc_display_monitor_get_scale (monitor); + + for (l = self->monitors; l != NULL; l = l->next) + { + CcDisplayMonitor *m = l->data; + if (m != monitor) + cc_display_monitor_set_scale (m, scale); + } +} + +static void +construct_monitors (CcDisplayConfigDBus *self, + GVariantIter *monitors, + GVariantIter *logical_monitors) +{ + while (TRUE) + { + CcDisplayMonitorDBus *monitor; + g_autoptr(GVariant) variant = NULL; + + if (!g_variant_iter_next (monitors, "@"MONITOR_FORMAT, &variant)) + break; + + monitor = cc_display_monitor_dbus_new (variant, self); + self->monitors = g_list_prepend (self->monitors, monitor); + + if (self->global_scale_required) + g_signal_connect_object (monitor, "scale", + G_CALLBACK (apply_global_scale_requirement), + self, G_CONNECT_SWAPPED); + } + + self->monitors = g_list_reverse (self->monitors); + + while (TRUE) + { + g_autoptr(GVariant) variant = NULL; + CcDisplayLogicalMonitor *logical_monitor; + g_autoptr(GVariantIter) monitor_specs = NULL; + const gchar *s1, *s2, *s3, *s4; + gboolean primary; + + if (!g_variant_iter_next (logical_monitors, "@"LOGICAL_MONITOR_FORMAT, &variant)) + break; + + logical_monitor = g_object_new (CC_TYPE_DISPLAY_LOGICAL_MONITOR, NULL); + g_variant_get (variant, LOGICAL_MONITOR_FORMAT, + &logical_monitor->x, + &logical_monitor->y, + &logical_monitor->scale, + &logical_monitor->rotation, + &primary, + &monitor_specs, + NULL); + + while (g_variant_iter_next (monitor_specs, "(&s&s&s&s)", &s1, &s2, &s3, &s4)) + { + CcDisplayMonitorDBus *m = monitor_from_spec (self, s1, s2, s3, s4); + if (!m) + { + g_warning ("Couldn't find monitor given spec: %s, %s, %s, %s", + s1, s2, s3, s4); + continue; + } + + cc_display_monitor_dbus_set_logical_monitor (m, logical_monitor); + } + + if (g_hash_table_size (logical_monitor->monitors) > 0) + { + if (primary) + { + CcDisplayMonitorDBus *m = NULL; + GHashTableIter iter; + g_hash_table_iter_init (&iter, logical_monitor->monitors); + g_hash_table_iter_next (&iter, (void **) &m, NULL); + + cc_display_config_dbus_set_primary (self, m); + } + } + else + { + g_warning ("Got an empty logical monitor, ignoring"); + } + + register_logical_monitor (self, logical_monitor); + } +} + +static void +update_panel_orientation_managed (CcDisplayConfigDBus *self) +{ + g_autoptr(GVariant) v = NULL; + gboolean panel_orientation_managed = FALSE; + + if (self->proxy != NULL) + { + v = g_dbus_proxy_get_cached_property (self->proxy, "PanelOrientationManaged"); + if (v) + { + panel_orientation_managed = g_variant_get_boolean (v); + } + } + + if (panel_orientation_managed == self->panel_orientation_managed) + return; + + self->panel_orientation_managed = panel_orientation_managed; + g_signal_emit_by_name (self, "panel-orientation-managed", self->panel_orientation_managed); +} + +static void +proxy_properties_changed_cb (GDBusProxy *proxy, + GVariant *changed_properties, + GStrv invalidated_properties, + CcDisplayConfigDBus *self) +{ + GVariantDict dict; + + g_variant_dict_init (&dict, changed_properties); + + if (g_variant_dict_contains (&dict, "PanelOrientationManaged")) + update_panel_orientation_managed (self); +} + +static void +cc_display_config_dbus_constructed (GObject *object) +{ + CcDisplayConfigDBus *self = CC_DISPLAY_CONFIG_DBUS (object); + g_autoptr(GVariantIter) monitors = NULL; + g_autoptr(GVariantIter) logical_monitors = NULL; + g_autoptr(GVariantIter) props = NULL; + g_autoptr(GError) error = NULL; + + g_variant_get (self->state, + CURRENT_STATE_FORMAT, + &self->serial, + &monitors, + &logical_monitors, + &props); + + while (TRUE) + { + const char *s; + g_autoptr(GVariant) v = NULL; + + if (!g_variant_iter_next (props, "{&sv}", &s, &v)) + break; + + if (g_str_equal (s, "supports-mirroring")) + { + g_variant_get (v, "b", &self->supports_mirroring); + } + else if (g_str_equal (s, "supports-changing-layout-mode")) + { + g_variant_get (v, "b", &self->supports_changing_layout_mode); + } + else if (g_str_equal (s, "global-scale-required")) + { + g_variant_get (v, "b", &self->global_scale_required); + } + else if (g_str_equal (s, "layout-mode")) + { + guint32 u = 0; + g_variant_get (v, "u", &u); + if (u >= CC_DISPLAY_LAYOUT_MODE_LOGICAL && + u <= CC_DISPLAY_LAYOUT_MODE_PHYSICAL) + self->layout_mode = u; + } + } + + construct_monitors (self, monitors, logical_monitors); + filter_out_invalid_scaled_modes (self); + + self->proxy = g_dbus_proxy_new_sync (self->connection, + G_DBUS_PROXY_FLAGS_NONE, + NULL, + "org.gnome.Mutter.DisplayConfig", + "/org/gnome/Mutter/DisplayConfig", + "org.gnome.Mutter.DisplayConfig", + NULL, + &error); + if (error) + g_warning ("Could not create DisplayConfig proxy: %s", error->message); + + g_signal_connect (self->proxy, "g-properties-changed", + G_CALLBACK (proxy_properties_changed_cb), self); + update_panel_orientation_managed (self); + + G_OBJECT_CLASS (cc_display_config_dbus_parent_class)->constructed (object); +} + +static void +cc_display_config_dbus_set_property (GObject *object, + guint prop_id, + const GValue *value, + GParamSpec *pspec) +{ + CcDisplayConfigDBus *self = CC_DISPLAY_CONFIG_DBUS (object); + + switch (prop_id) + { + case PROP_STATE: + self->state = g_value_dup_variant (value); + break; + case PROP_CONNECTION: + self->connection = g_value_dup_object (value); + break; + default: + G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); + } +} + +static void +cc_display_config_dbus_get_property (GObject *object, + guint prop_id, + GValue *value, + GParamSpec *pspec) +{ + CcDisplayConfigDBus *self = CC_DISPLAY_CONFIG_DBUS (object); + + switch (prop_id) + { + case PROP_STATE: + g_value_set_variant (value, self->state); + break; + case PROP_CONNECTION: + g_value_set_object (value, self->connection); + break; + default: + G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); + } +} + +static void +cc_display_config_dbus_dispose (GObject *object) +{ + CcDisplayConfigDBus *self = CC_DISPLAY_CONFIG_DBUS (object); + + if (self->logical_monitors) + { + GHashTableIter iter; + gpointer monitor; + + g_hash_table_iter_init (&iter, self->logical_monitors); + + while (g_hash_table_iter_next (&iter, &monitor, NULL)) + g_object_weak_unref (G_OBJECT (monitor), remove_logical_monitor, self); + } + + G_OBJECT_CLASS (cc_display_config_dbus_parent_class)->dispose (object); +} + +static void +cc_display_config_dbus_finalize (GObject *object) +{ + CcDisplayConfigDBus *self = CC_DISPLAY_CONFIG_DBUS (object); + + g_clear_pointer (&self->state, g_variant_unref); + g_clear_object (&self->connection); + g_clear_object (&self->proxy); + + g_clear_list (&self->monitors, g_object_unref); + g_clear_pointer (&self->logical_monitors, g_hash_table_destroy); + + G_OBJECT_CLASS (cc_display_config_dbus_parent_class)->finalize (object); +} + +static void +cc_display_config_dbus_class_init (CcDisplayConfigDBusClass *klass) +{ + GObjectClass *gobject_class = G_OBJECT_CLASS (klass); + CcDisplayConfigClass *parent_class = CC_DISPLAY_CONFIG_CLASS (klass); + GParamSpec *pspec; + + gobject_class->constructed = cc_display_config_dbus_constructed; + gobject_class->set_property = cc_display_config_dbus_set_property; + gobject_class->get_property = cc_display_config_dbus_get_property; + gobject_class->dispose = cc_display_config_dbus_dispose; + gobject_class->finalize = cc_display_config_dbus_finalize; + + parent_class->get_monitors = cc_display_config_dbus_get_monitors; + parent_class->is_applicable = cc_display_config_dbus_is_applicable; + parent_class->equal = cc_display_config_dbus_equal; + parent_class->apply = cc_display_config_dbus_apply; + parent_class->is_cloning = cc_display_config_dbus_is_cloning; + parent_class->set_cloning = cc_display_config_dbus_set_cloning; + parent_class->generate_cloning_modes = cc_display_config_dbus_generate_cloning_modes; + parent_class->is_layout_logical = cc_display_config_dbus_is_layout_logical; + parent_class->is_scaled_mode_valid = cc_display_config_dbus_is_scaled_mode_valid; + parent_class->set_minimum_size = cc_display_config_dbus_set_minimum_size; + parent_class->get_panel_orientation_managed = + cc_display_config_dbus_get_panel_orientation_managed; + + pspec = g_param_spec_variant ("state", + "GVariant", + "GVariant", + G_VARIANT_TYPE (CURRENT_STATE_FORMAT), + NULL, + G_PARAM_READWRITE | + G_PARAM_STATIC_STRINGS | + G_PARAM_CONSTRUCT_ONLY); + g_object_class_install_property (gobject_class, PROP_STATE, pspec); + + pspec = g_param_spec_object ("connection", + "GDBusConnection", + "GDBusConnection", + G_TYPE_DBUS_CONNECTION, + G_PARAM_READWRITE | + G_PARAM_STATIC_STRINGS | + G_PARAM_CONSTRUCT_ONLY); + g_object_class_install_property (gobject_class, PROP_CONNECTION, pspec); +} + +static gint +sort_x_axis (gconstpointer a, gconstpointer b) +{ + const CcDisplayLogicalMonitor *ma = a; + const CcDisplayLogicalMonitor *mb = b; + return ma->x - mb->x; +} + +static gint +sort_y_axis (gconstpointer a, gconstpointer b) +{ + const CcDisplayLogicalMonitor *ma = a; + const CcDisplayLogicalMonitor *mb = b; + return ma->y - mb->y; +} + +static void +add_x_delta (gpointer d1, gpointer d2) +{ + CcDisplayLogicalMonitor *m = d1; + int delta = GPOINTER_TO_INT (d2); + m->x += delta; +} + +static gboolean +logical_monitor_is_rotated (CcDisplayLogicalMonitor *lm) +{ + switch (lm->rotation) + { + case CC_DISPLAY_ROTATION_90: + case CC_DISPLAY_ROTATION_270: + case CC_DISPLAY_ROTATION_90_FLIPPED: + case CC_DISPLAY_ROTATION_270_FLIPPED: + return TRUE; + default: + return FALSE; + } +} + +static int +logical_monitor_width (CcDisplayLogicalMonitor *lm) +{ + CcDisplayMonitorDBus *monitor; + CcDisplayModeDBus *mode; + GHashTableIter iter; + int width; + + g_hash_table_iter_init (&iter, lm->monitors); + g_hash_table_iter_next (&iter, (void **) &monitor, NULL); + mode = CC_DISPLAY_MODE_DBUS (monitor->current_mode); + if (logical_monitor_is_rotated (lm)) + width = mode ? mode->height : 0; + else + width = mode ? mode->width : 0; + + if (monitor->config->layout_mode == CC_DISPLAY_LAYOUT_MODE_LOGICAL) + return round (width / lm->scale); + else + return width; +} + +static void +add_y_delta (gpointer d1, gpointer d2) +{ + CcDisplayLogicalMonitor *m = d1; + int delta = GPOINTER_TO_INT (d2); + m->y += delta; +} + +static void +cc_display_config_dbus_ensure_non_offset_coords (CcDisplayConfigDBus *self) +{ + GList *x_axis, *y_axis; + CcDisplayLogicalMonitor *m; + + if (g_hash_table_size (self->logical_monitors) == 0) + return; + + x_axis = g_hash_table_get_keys (self->logical_monitors); + x_axis = g_list_sort (x_axis, sort_x_axis); + y_axis = g_hash_table_get_keys (self->logical_monitors); + y_axis = g_list_sort (y_axis, sort_y_axis); + + m = x_axis->data; + if (m->x != 0) + g_list_foreach (x_axis, add_x_delta, GINT_TO_POINTER (- m->x)); + + m = y_axis->data; + if (m->y != 0) + g_list_foreach (y_axis, add_y_delta, GINT_TO_POINTER (- m->y)); + + g_list_free (x_axis); + g_list_free (y_axis); +} + +static void +cc_display_config_dbus_append_right (CcDisplayConfigDBus *self, + CcDisplayLogicalMonitor *monitor) +{ + GList *x_axis; + CcDisplayLogicalMonitor *last; + + if (g_hash_table_size (self->logical_monitors) == 0) + { + monitor->x = 0; + monitor->y = 0; + return; + } + + x_axis = g_hash_table_get_keys (self->logical_monitors); + x_axis = g_list_sort (x_axis, sort_x_axis); + last = g_list_last (x_axis)->data; + monitor->x = last->x + logical_monitor_width (last); + monitor->y = last->y; + + g_list_free (x_axis); +} + +static void +cc_display_config_dbus_make_linear (CcDisplayConfigDBus *self) +{ + CcDisplayLogicalMonitor *primary; + GList *logical_monitors, *l; + int x; + + if (self->primary && self->primary->logical_monitor) + { + primary = self->primary->logical_monitor; + primary->x = primary->y = 0; + x = logical_monitor_width (primary); + } + else + { + primary = NULL; + x = 0; + } + + logical_monitors = g_hash_table_get_keys (self->logical_monitors); + for (l = logical_monitors; l != NULL; l = l->next) + { + CcDisplayLogicalMonitor *m = l->data; + + if (m == primary) + continue; + + m->x = x; + m->y = 0; + x += logical_monitor_width (m); + } + + g_list_free (logical_monitors); +} |