diff options
Diffstat (limited to 'panels/display/cc-display-panel.c')
-rw-r--r-- | panels/display/cc-display-panel.c | 1140 |
1 files changed, 1140 insertions, 0 deletions
diff --git a/panels/display/cc-display-panel.c b/panels/display/cc-display-panel.c new file mode 100644 index 0000000..6958e19 --- /dev/null +++ b/panels/display/cc-display-panel.c @@ -0,0 +1,1140 @@ +/* + * Copyright (C) 2007, 2008 Red Hat, Inc. + * Copyright (C) 2013 Intel, 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 "cc-display-panel.h" + +#include <gtk/gtk.h> +#include <glib/gi18n.h> +#include <stdlib.h> +#include <gdesktop-enums.h> +#include <math.h> + +#include "shell/cc-object-storage.h" +#include <libupower-glib/upower.h> + +#include "cc-display-config-manager-dbus.h" +#include "cc-display-config.h" +#include "cc-display-arrangement.h" +#include "cc-night-light-page.h" +#include "cc-display-resources.h" +#include "cc-display-settings.h" + +/* The minimum supported size for the panel + * Note that WIDTH is assumed to be the larger size and we accept portrait + * mode too effectively (in principle we should probably restrict the rotation + * setting in that case). */ +#define MINIMUM_WIDTH 720 +#define MINIMUM_HEIGHT 360 + +#define PANEL_PADDING 32 +#define SECTION_PADDING 32 +#define HEADING_PADDING 12 + +#define DISPLAY_SCHEMA "org.gnome.settings-daemon.plugins.color" + +typedef enum { + CC_DISPLAY_CONFIG_JOIN, + CC_DISPLAY_CONFIG_CLONE, + + CC_DISPLAY_CONFIG_INVALID_NONE, +} CcDisplayConfigType; + +#define CC_DISPLAY_CONFIG_LAST_VALID CC_DISPLAY_CONFIG_CLONE + +struct _CcDisplayPanel +{ + CcPanel parent_instance; + + CcDisplayConfigManager *manager; + CcDisplayConfig *current_config; + CcDisplayMonitor *current_output; + + gint rebuilding_counter; + + CcDisplayArrangement *arrangement; + CcDisplaySettings *settings; + + guint focus_id; + + CcNightLightPage *night_light_page; + GtkLabel *night_light_state_label; + + UpClient *up_client; + gboolean lid_is_closed; + + GDBusProxy *shell_proxy; + + GtkWidget *apply_titlebar; + GtkWidget *apply_button; + GtkWidget *cancel_button; + AdwWindowTitle *apply_titlebar_title_widget; + + GListStore *primary_display_list; + GList *monitor_rows; + + GtkWidget *display_settings_disabled_group; + + GtkWidget *arrangement_row; + AdwBin *arrangement_bin; + GtkToggleButton *config_type_join; + GtkToggleButton *config_type_mirror; + GtkWidget *display_multiple_displays; + AdwBin *display_settings_bin; + GtkWidget *display_settings_group; + AdwWindowTitle *display_settings_title_widget; + AdwLeaflet *leaflet; + AdwComboRow *primary_display_row; + AdwPreferencesGroup *single_display_settings_group; + + GtkShortcutController *toplevel_shortcuts; + GtkShortcut *escape_shortcut; + + GSettings *display_settings; +}; + +CC_PANEL_REGISTER (CcDisplayPanel, cc_display_panel) + +static void +update_apply_button (CcDisplayPanel *panel); +static void +apply_current_configuration (CcDisplayPanel *self); +static void +reset_current_config (CcDisplayPanel *panel); +static void +rebuild_ui (CcDisplayPanel *panel); +static void +set_current_output (CcDisplayPanel *panel, + CcDisplayMonitor *output, + gboolean force); +static void +on_screen_changed (CcDisplayPanel *panel); + + +static CcDisplayConfigType +config_get_current_type (CcDisplayPanel *panel) +{ + guint n_active_outputs; + GList *outputs, *l; + + outputs = cc_display_config_get_ui_sorted_monitors (panel->current_config); + n_active_outputs = 0; + for (l = outputs; l; l = l->next) + { + CcDisplayMonitor *output = l->data; + + if (cc_display_monitor_is_useful (output)) + n_active_outputs += 1; + } + + if (n_active_outputs == 0) + return CC_DISPLAY_CONFIG_INVALID_NONE; + + if (cc_display_config_is_cloning (panel->current_config)) + return CC_DISPLAY_CONFIG_CLONE; + + return CC_DISPLAY_CONFIG_JOIN; +} + +static CcDisplayConfigType +cc_panel_get_selected_type (CcDisplayPanel *panel) +{ + if (gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (panel->config_type_join))) + return CC_DISPLAY_CONFIG_JOIN; + else if (gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (panel->config_type_mirror))) + return CC_DISPLAY_CONFIG_CLONE; + else + g_assert_not_reached (); +} + +static CcDisplayMode * +find_preferred_mode (GList *modes) +{ + GList *l; + + for (l = modes; l; l = l->next) + { + CcDisplayMode *mode = l->data; + + if (cc_display_mode_is_preferred (mode)) + return mode; + } + + return NULL; +} + +static void +config_ensure_of_type (CcDisplayPanel *panel, CcDisplayConfigType type) +{ + CcDisplayConfigType current_type = config_get_current_type (panel); + GList *outputs, *l; + CcDisplayMonitor *current_primary = NULL; + gdouble old_primary_scale = -1; + + /* Do not do anything if the current detected configuration type is + * identitcal to what we expect. */ + if (type == current_type) + return; + + reset_current_config (panel); + + outputs = cc_display_config_get_ui_sorted_monitors (panel->current_config); + for (l = outputs; l; l = l->next) + { + CcDisplayMonitor *output = l->data; + + if (cc_display_monitor_is_primary (output)) + { + current_primary = output; + old_primary_scale = cc_display_monitor_get_scale (current_primary); + break; + } + } + + switch (type) + { + case CC_DISPLAY_CONFIG_JOIN: + g_debug ("Creating new join config"); + /* Enable all usable outputs + * Note that this might result in invalid configurations as we + * we might not be able to drive all attached monitors. */ + cc_display_config_set_cloning (panel->current_config, FALSE); + for (l = outputs; l; l = l->next) + { + CcDisplayMonitor *output = l->data; + gdouble scale; + CcDisplayMode *mode; + + mode = cc_display_monitor_get_preferred_mode (output); + /* If the monitor was active, try using the current scale, otherwise + * try picking the preferred scale. */ + if (cc_display_monitor_is_active (output)) + scale = cc_display_monitor_get_scale (output); + else + scale = cc_display_mode_get_preferred_scale (mode); + + /* If we cannot use the current/preferred scale, try to fall back to + * the previously scale of the primary monitor instead. + * This is not guaranteed to result in a valid configuration! */ + if (!cc_display_config_is_scaled_mode_valid (panel->current_config, + mode, + scale)) + { + if (current_primary && + cc_display_config_is_scaled_mode_valid (panel->current_config, + mode, + old_primary_scale)) + scale = old_primary_scale; + } + + cc_display_monitor_set_active (output, cc_display_monitor_is_usable (output)); + cc_display_monitor_set_mode (output, mode); + cc_display_monitor_set_scale (output, scale); + } + break; + + case CC_DISPLAY_CONFIG_CLONE: + { + g_debug ("Creating new clone config"); + gdouble scale; + g_autolist(CcDisplayMode) modes = NULL; + CcDisplayMode *clone_mode; + + /* Turn on cloning and select the best mode we can find by default */ + cc_display_config_set_cloning (panel->current_config, TRUE); + + modes = cc_display_config_generate_cloning_modes (panel->current_config); + clone_mode = find_preferred_mode (modes); + g_return_if_fail (clone_mode); + + /* Take the preferred scale by default, */ + scale = cc_display_mode_get_preferred_scale (clone_mode); + /* but prefer the old primary scale if that is valid. */ + if (current_primary && + cc_display_config_is_scaled_mode_valid (panel->current_config, + clone_mode, + old_primary_scale)) + scale = old_primary_scale; + + for (l = outputs; l; l = l->next) + { + CcDisplayMonitor *output = l->data; + + cc_display_monitor_set_compatible_clone_mode (output, clone_mode); + cc_display_monitor_set_scale (output, scale); + } + } + break; + + default: + g_assert_not_reached (); + } + + if (!panel->rebuilding_counter) + rebuild_ui (panel); +} + +static void +cc_panel_set_selected_type (CcDisplayPanel *panel, CcDisplayConfigType type) +{ + switch (type) + { + case CC_DISPLAY_CONFIG_JOIN: + gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (panel->config_type_join), TRUE); + break; + case CC_DISPLAY_CONFIG_CLONE: + gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (panel->config_type_mirror), TRUE); + break; + default: + g_assert_not_reached (); + } + + config_ensure_of_type (panel, type); +} + +static void +monitor_labeler_hide (CcDisplayPanel *self) +{ + if (!self->shell_proxy) + return; + + g_dbus_proxy_call (self->shell_proxy, + "HideMonitorLabels", + NULL, G_DBUS_CALL_FLAGS_NONE, + -1, NULL, NULL, NULL); +} + +static void +monitor_labeler_show (CcDisplayPanel *self) +{ + GList *outputs, *l; + GVariantBuilder builder; + gint number = 0; + + if (!self->shell_proxy || !self->current_config) + return; + + outputs = cc_display_config_get_ui_sorted_monitors (self->current_config); + if (!outputs) + return; + + if (cc_display_config_is_cloning (self->current_config)) + return monitor_labeler_hide (self); + + g_variant_builder_init (&builder, G_VARIANT_TYPE_TUPLE); + g_variant_builder_open (&builder, G_VARIANT_TYPE_ARRAY); + + for (l = outputs; l != NULL; l = l->next) + { + CcDisplayMonitor *output = l->data; + + number = cc_display_monitor_get_ui_number (output); + if (number == 0) + continue; + + g_variant_builder_add (&builder, "{sv}", + cc_display_monitor_get_connector_name (output), + g_variant_new_int32 (number)); + } + + g_variant_builder_close (&builder); + + if (number < 2) + { + g_variant_builder_clear (&builder); + return monitor_labeler_hide (self); + } + + g_dbus_proxy_call (self->shell_proxy, + "ShowMonitorLabels", + g_variant_builder_end (&builder), + G_DBUS_CALL_FLAGS_NONE, + -1, NULL, NULL, NULL); +} + +static void +ensure_monitor_labels (CcDisplayPanel *self) +{ + g_autoptr(GList) windows = NULL; + GList *w; + + windows = gtk_window_list_toplevels (); + + for (w = windows; w; w = w->next) + { + if (gtk_window_is_active (GTK_WINDOW (w->data))) + { + monitor_labeler_show (self); + break; + } + } + + if (!w) + monitor_labeler_hide (self); +} + +static void +dialog_toplevel_is_active_changed (CcDisplayPanel *self) +{ + ensure_monitor_labels (self); +} + +static void +reset_titlebar (CcDisplayPanel *self) +{ + gtk_event_controller_set_propagation_phase (GTK_EVENT_CONTROLLER (self->toplevel_shortcuts), + GTK_PHASE_NONE); + gtk_widget_hide (self->apply_titlebar); +} + +static void +active_panel_changed (CcPanel *self) +{ + CcShell *shell; + g_autoptr(CcPanel) panel = NULL; + + shell = cc_panel_get_shell (CC_PANEL (self)); + g_object_get (shell, "active-panel", &panel, NULL); + if (panel != self) + reset_titlebar (CC_DISPLAY_PANEL (self)); +} + +static void +cc_display_panel_dispose (GObject *object) +{ + CcDisplayPanel *self = CC_DISPLAY_PANEL (object); + GtkWidget *toplevel = cc_shell_get_toplevel (cc_panel_get_shell (CC_PANEL (self))); + + reset_titlebar (CC_DISPLAY_PANEL (object)); + + if (self->focus_id) + { + self->focus_id = 0; + monitor_labeler_hide (CC_DISPLAY_PANEL (object)); + } + + g_clear_pointer (&self->monitor_rows, g_list_free); + g_clear_object (&self->manager); + g_clear_object (&self->current_config); + g_clear_object (&self->up_client); + + g_clear_object (&self->shell_proxy); + + g_signal_handlers_disconnect_by_data (toplevel, self); + + G_OBJECT_CLASS (cc_display_panel_parent_class)->dispose (object); +} + +static void +on_arrangement_selected_ouptut_changed_cb (CcDisplayPanel *panel) +{ + set_current_output (panel, cc_display_arrangement_get_selected_output (panel->arrangement), FALSE); +} + +static void +on_monitor_settings_updated_cb (CcDisplayPanel *panel, + CcDisplayMonitor *monitor, + CcDisplaySettings *settings) +{ + if (monitor) + cc_display_config_snap_output (panel->current_config, monitor); + update_apply_button (panel); +} + +static void +on_back_button_clicked_cb (GtkButton *button, + CcDisplayPanel *self) +{ + adw_leaflet_set_visible_child_name (self->leaflet, "displays"); +} + +static void +on_config_type_toggled_cb (CcDisplayPanel *panel, + GtkCheckButton *btn) +{ + CcDisplayConfigType type; + + if (panel->rebuilding_counter > 0) + return; + + if (!panel->current_config) + return; + + if (!gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (btn))) + return; + + type = cc_panel_get_selected_type (panel); + config_ensure_of_type (panel, type); +} + +static void +on_night_light_enabled_changed_cb (GSettings *settings, + const gchar *key, + CcDisplayPanel *self) +{ + if (g_settings_get_boolean (self->display_settings, "night-light-enabled")) + gtk_label_set_label (self->night_light_state_label, _("On")); + else + gtk_label_set_label (self->night_light_state_label, _("Off")); +} + +static void +on_night_light_row_activated_cb (GtkListBoxRow *row, + CcDisplayPanel *self) +{ + adw_leaflet_set_visible_child_name (self->leaflet, "night-light"); +} + +static void +on_primary_display_selected_item_changed_cb (CcDisplayPanel *panel) +{ + gint idx = adw_combo_row_get_selected (panel->primary_display_row); + g_autoptr(CcDisplayMonitor) output = NULL; + + if (idx < 0 || panel->rebuilding_counter > 0) + return; + + output = g_list_model_get_item (G_LIST_MODEL (panel->primary_display_list), idx); + + if (cc_display_monitor_is_primary (output)) + return; + + cc_display_monitor_set_primary (output, TRUE); + update_apply_button (panel); +} + +static void +on_toplevel_folded (CcDisplayPanel *panel, GParamSpec *pspec, GtkWidget *toplevel) +{ + gboolean folded; + + g_object_get (toplevel, "folded", &folded, NULL); + cc_display_settings_refresh_layout (panel->settings, folded); +} + +static gboolean +on_toplevel_escape_pressed_cb (GtkWidget *widget, + GVariant *args, + CcDisplayPanel *self) +{ + if (gtk_widget_get_visible (self->apply_titlebar)) + { + gtk_widget_activate (self->cancel_button); + return GDK_EVENT_STOP; + } + + return GDK_EVENT_PROPAGATE; +} + +static void +cc_display_panel_constructed (GObject *object) +{ + CcShell *shell = cc_panel_get_shell (CC_PANEL (object)); + GtkWidget *toplevel = cc_shell_get_toplevel (shell); + + g_signal_connect_object (cc_panel_get_shell (CC_PANEL (object)), "notify::active-panel", + G_CALLBACK (active_panel_changed), object, G_CONNECT_SWAPPED); + + g_signal_connect_swapped (toplevel, "notify::folded", G_CALLBACK (on_toplevel_folded), object); + on_toplevel_folded (CC_DISPLAY_PANEL (object), NULL, toplevel); + + G_OBJECT_CLASS (cc_display_panel_parent_class)->constructed (object); +} + +static const char * +cc_display_panel_get_help_uri (CcPanel *panel) +{ + return "help:gnome-help/prefs-display"; +} + +static void +cc_display_panel_class_init (CcDisplayPanelClass *klass) +{ + GObjectClass *object_class = G_OBJECT_CLASS (klass); + CcPanelClass *panel_class = CC_PANEL_CLASS (klass); + GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (klass); + + g_type_ensure (CC_TYPE_NIGHT_LIGHT_PAGE); + + panel_class->get_help_uri = cc_display_panel_get_help_uri; + + object_class->constructed = cc_display_panel_constructed; + object_class->dispose = cc_display_panel_dispose; + + gtk_widget_class_set_template_from_resource (widget_class, "/org/gnome/control-center/display/cc-display-panel.ui"); + + gtk_widget_class_bind_template_child (widget_class, CcDisplayPanel, apply_button); + gtk_widget_class_bind_template_child (widget_class, CcDisplayPanel, apply_titlebar); + gtk_widget_class_bind_template_child (widget_class, CcDisplayPanel, apply_titlebar_title_widget); + gtk_widget_class_bind_template_child (widget_class, CcDisplayPanel, display_settings_disabled_group); + gtk_widget_class_bind_template_child (widget_class, CcDisplayPanel, arrangement_bin); + gtk_widget_class_bind_template_child (widget_class, CcDisplayPanel, arrangement_row); + gtk_widget_class_bind_template_child (widget_class, CcDisplayPanel, cancel_button); + gtk_widget_class_bind_template_child (widget_class, CcDisplayPanel, display_multiple_displays); + gtk_widget_class_bind_template_child (widget_class, CcDisplayPanel, config_type_join); + gtk_widget_class_bind_template_child (widget_class, CcDisplayPanel, config_type_mirror); + gtk_widget_class_bind_template_child (widget_class, CcDisplayPanel, display_settings_bin); + gtk_widget_class_bind_template_child (widget_class, CcDisplayPanel, display_settings_group); + gtk_widget_class_bind_template_child (widget_class, CcDisplayPanel, display_settings_title_widget); + gtk_widget_class_bind_template_child (widget_class, CcDisplayPanel, escape_shortcut); + gtk_widget_class_bind_template_child (widget_class, CcDisplayPanel, leaflet); + gtk_widget_class_bind_template_child (widget_class, CcDisplayPanel, night_light_page); + gtk_widget_class_bind_template_child (widget_class, CcDisplayPanel, night_light_state_label); + gtk_widget_class_bind_template_child (widget_class, CcDisplayPanel, primary_display_row); + gtk_widget_class_bind_template_child (widget_class, CcDisplayPanel, single_display_settings_group); + gtk_widget_class_bind_template_child (widget_class, CcDisplayPanel, toplevel_shortcuts); + + gtk_widget_class_bind_template_callback (widget_class, apply_current_configuration); + gtk_widget_class_bind_template_callback (widget_class, on_back_button_clicked_cb); + gtk_widget_class_bind_template_callback (widget_class, on_config_type_toggled_cb); + gtk_widget_class_bind_template_callback (widget_class, on_night_light_row_activated_cb); + gtk_widget_class_bind_template_callback (widget_class, on_primary_display_selected_item_changed_cb); + gtk_widget_class_bind_template_callback (widget_class, on_screen_changed); + gtk_widget_class_bind_template_callback (widget_class, on_toplevel_escape_pressed_cb); +} + +static void +set_current_output (CcDisplayPanel *panel, + CcDisplayMonitor *output, + gboolean force) +{ + gboolean changed; + + /* Note, this function is also called if the internal UI needs updating after a rebuild. */ + changed = (output != panel->current_output); + + if (!changed && !force) + return; + + panel->rebuilding_counter++; + + panel->current_output = output; + + if (changed) + { + cc_display_settings_set_selected_output (panel->settings, panel->current_output); + cc_display_arrangement_set_selected_output (panel->arrangement, panel->current_output); + + adw_window_title_set_title (panel->display_settings_title_widget, + output ? cc_display_monitor_get_ui_name (output) : ""); + } + + panel->rebuilding_counter--; +} + +static void +on_monitor_row_activated_cb (GtkListBoxRow *row, + CcDisplayPanel *self) +{ + CcDisplayMonitor *monitor; + + monitor = g_object_get_data (G_OBJECT (row), "monitor"); + set_current_output (self, monitor, FALSE); + + adw_leaflet_set_visible_child_name (self->leaflet, "display-settings"); +} + +static void +add_display_row (CcDisplayPanel *self, + CcDisplayMonitor *monitor) +{ + g_autofree gchar *number_string = NULL; + GtkWidget *number_label; + GtkWidget *icon; + GtkWidget *row; + + row = adw_action_row_new (); + g_object_set_data (G_OBJECT (row), "monitor", monitor); + adw_preferences_row_set_title (ADW_PREFERENCES_ROW (row), + cc_display_monitor_get_ui_name (monitor)); + + number_string = g_strdup_printf ("%d", cc_display_monitor_get_ui_number (monitor)); + number_label = gtk_label_new (number_string); + gtk_widget_set_valign (number_label, GTK_ALIGN_CENTER); + gtk_widget_set_halign (number_label, GTK_ALIGN_CENTER); + gtk_widget_add_css_class (number_label, "monitor-label"); + adw_action_row_add_prefix (ADW_ACTION_ROW (row), number_label); + + icon = gtk_image_new_from_icon_name ("go-next-symbolic"); + adw_action_row_add_suffix (ADW_ACTION_ROW (row), icon); + adw_action_row_set_activatable_widget (ADW_ACTION_ROW (row), icon); + + adw_preferences_group_add (ADW_PREFERENCES_GROUP (self->display_settings_group), row); + + g_signal_connect (row, "activated", G_CALLBACK (on_monitor_row_activated_cb), self); + + self->monitor_rows = g_list_prepend (self->monitor_rows, row); +} + +static void +move_display_settings_to_main_page (CcDisplayPanel *self) +{ + GtkWidget *parent = gtk_widget_get_parent (GTK_WIDGET (self->settings)); + + if (parent != GTK_WIDGET (self->display_settings_bin)) + return; + + g_object_ref (self->settings); + adw_bin_set_child (self->display_settings_bin, NULL); + adw_preferences_group_add (self->single_display_settings_group, + GTK_WIDGET (self->settings)); + g_object_unref (self->settings); + + gtk_widget_show (GTK_WIDGET (self->single_display_settings_group)); +} + +static void +move_display_settings_to_separate_page (CcDisplayPanel *self) +{ + GtkWidget *parent = gtk_widget_get_parent (GTK_WIDGET (self->settings)); + + if (parent == GTK_WIDGET (self->display_settings_bin)) + return; + + g_object_ref (self->settings); + adw_preferences_group_remove (self->single_display_settings_group, + GTK_WIDGET (self->settings)); + adw_bin_set_child (self->display_settings_bin, + GTK_WIDGET (self->settings)); + g_object_unref (self->settings); + + gtk_widget_hide (GTK_WIDGET (self->single_display_settings_group)); +} + +static void +rebuild_ui (CcDisplayPanel *panel) +{ + guint n_outputs, n_active_outputs, n_usable_outputs; + GList *outputs, *l; + CcDisplayConfigType type; + + if (!cc_display_config_manager_get_apply_allowed (panel->manager)) + { + gtk_widget_set_visible (panel->display_settings_disabled_group, TRUE); + gtk_widget_set_visible (panel->display_settings_group, FALSE); + gtk_widget_set_visible (panel->arrangement_row, FALSE); + return; + } + + panel->rebuilding_counter++; + + g_list_store_remove_all (panel->primary_display_list); + + /* Remove all monitor rows */ + while (panel->monitor_rows) + { + adw_preferences_group_remove (ADW_PREFERENCES_GROUP (panel->display_settings_group), + panel->monitor_rows->data); + panel->monitor_rows = g_list_remove_link (panel->monitor_rows, panel->monitor_rows); + } + + if (!panel->current_config) + { + panel->rebuilding_counter--; + return; + } + + gtk_widget_set_visible (panel->display_settings_disabled_group, FALSE); + + n_active_outputs = 0; + n_usable_outputs = 0; + outputs = cc_display_config_get_ui_sorted_monitors (panel->current_config); + for (l = outputs; l; l = l->next) + { + CcDisplayMonitor *output = l->data; + + if (!cc_display_monitor_is_usable (output)) + continue; + + n_usable_outputs += 1; + + if (cc_display_monitor_is_active (output)) + { + n_active_outputs += 1; + + g_list_store_append (panel->primary_display_list, output); + if (cc_display_monitor_is_primary (output)) + adw_combo_row_set_selected (panel->primary_display_row, + g_list_model_get_n_items (G_LIST_MODEL (panel->primary_display_list)) - 1); + + /* Ensure that an output is selected; note that this doesn't ensure + * the selected output is any useful (i.e. when switching types). + */ + if (!panel->current_output) + set_current_output (panel, output, FALSE); + } + + add_display_row (panel, l->data); + } + + /* Sync the rebuild lists/buttons */ + set_current_output (panel, panel->current_output, TRUE); + + n_outputs = g_list_length (outputs); + type = config_get_current_type (panel); + + if (n_outputs == 2 && n_usable_outputs == 2) + { + /* We only show the top chooser with two monitors that are + * both usable (i.e. two monitors incl. internal and lid not closed). + * In this case, the arrangement widget is shown if we are in JOIN mode. + */ + if (type > CC_DISPLAY_CONFIG_LAST_VALID) + type = CC_DISPLAY_CONFIG_JOIN; + + gtk_widget_set_visible (panel->display_settings_group, type == CC_DISPLAY_CONFIG_JOIN); + gtk_widget_set_visible (panel->display_multiple_displays, TRUE); + gtk_widget_set_visible (panel->arrangement_row, type == CC_DISPLAY_CONFIG_JOIN); + + if (type == CC_DISPLAY_CONFIG_CLONE) + move_display_settings_to_main_page (panel); + else + move_display_settings_to_separate_page (panel); + } + else if (n_usable_outputs > 1) + { + /* We have more than one usable monitor. In this case there is no chooser, + * and we always show the arrangement widget. + */ + gtk_widget_set_visible (panel->display_settings_group, TRUE); + gtk_widget_set_visible (panel->display_multiple_displays, FALSE); + gtk_widget_set_visible (panel->arrangement_row, TRUE); + + /* Mirror is also invalid as it cannot be configured using this UI. */ + if (type == CC_DISPLAY_CONFIG_CLONE || type > CC_DISPLAY_CONFIG_LAST_VALID) + type = CC_DISPLAY_CONFIG_JOIN; + + move_display_settings_to_separate_page (panel); + } + else + { + type = CC_DISPLAY_CONFIG_JOIN; + + gtk_widget_set_visible (panel->display_settings_group, FALSE); + gtk_widget_set_visible (panel->display_multiple_displays, FALSE); + gtk_widget_set_visible (panel->arrangement_row, FALSE); + + move_display_settings_to_main_page (panel); + } + + cc_display_settings_set_multimonitor (panel->settings, + n_outputs > 1 && + type != CC_DISPLAY_CONFIG_CLONE); + + cc_panel_set_selected_type (panel, type); + + panel->rebuilding_counter--; + update_apply_button (panel); +} + +static void +update_panel_orientation_managed (CcDisplayPanel *panel, + gboolean managed) +{ + cc_display_settings_set_has_accelerometer (panel->settings, managed); +} + +static void +reset_current_config (CcDisplayPanel *panel) +{ + CcDisplayConfig *current; + CcDisplayConfig *old; + GList *outputs, *l; + + g_debug ("Resetting current config!"); + + /* We need to hold on to the config until all display references are dropped. */ + old = panel->current_config; + panel->current_output = NULL; + + current = cc_display_config_manager_get_current (panel->manager); + + if (!current) + return; + + cc_display_config_set_minimum_size (current, MINIMUM_WIDTH, MINIMUM_HEIGHT); + panel->current_config = current; + + g_signal_connect_object (current, "panel-orientation-managed", + G_CALLBACK (update_panel_orientation_managed), panel, + G_CONNECT_SWAPPED); + update_panel_orientation_managed (panel, + cc_display_config_get_panel_orientation_managed (current)); + + g_list_store_remove_all (panel->primary_display_list); + + if (panel->current_config) + { + outputs = cc_display_config_get_ui_sorted_monitors (panel->current_config); + for (l = outputs; l; l = l->next) + { + CcDisplayMonitor *output = l->data; + + /* Mark any builtin monitor as unusable if the lid is closed. */ + if (cc_display_monitor_is_builtin (output) && panel->lid_is_closed) + cc_display_monitor_set_usable (output, FALSE); + } + } + + cc_display_arrangement_set_config (panel->arrangement, panel->current_config); + cc_display_settings_set_config (panel->settings, panel->current_config); + set_current_output (panel, NULL, FALSE); + + g_clear_object (&old); + + update_apply_button (panel); +} + +static void +on_screen_changed (CcDisplayPanel *panel) +{ + if (!panel->manager) + return; + + reset_titlebar (panel); + + reset_current_config (panel); + rebuild_ui (panel); + + if (!panel->current_config) + return; + + ensure_monitor_labels (panel); +} + +static void +show_apply_titlebar (CcDisplayPanel *panel, gboolean is_applicable) +{ + gtk_widget_show (panel->apply_titlebar); + gtk_widget_set_sensitive (panel->apply_button, is_applicable); + + if (is_applicable) + { + adw_window_title_set_title (panel->apply_titlebar_title_widget, + _("Apply Changes?")); + } + else + { + adw_window_title_set_title (panel->apply_titlebar_title_widget, + _("Changes Cannot be Applied")); + adw_window_title_set_subtitle (panel->apply_titlebar_title_widget, + _("This could be due to hardware limitations.")); + } + + gtk_event_controller_set_propagation_phase (GTK_EVENT_CONTROLLER (panel->toplevel_shortcuts), + GTK_PHASE_BUBBLE); +} + +static void +update_apply_button (CcDisplayPanel *panel) +{ + gboolean config_equal; + g_autoptr(CcDisplayConfig) applied_config = NULL; + + if (!panel->current_config) + { + reset_titlebar (panel); + return; + } + + applied_config = cc_display_config_manager_get_current (panel->manager); + + config_equal = cc_display_config_equal (panel->current_config, + applied_config); + + if (config_equal) + reset_titlebar (panel); + else + show_apply_titlebar (panel, cc_display_config_is_applicable (panel->current_config)); +} + +static void +apply_current_configuration (CcDisplayPanel *self) +{ + g_autoptr(GError) error = NULL; + + cc_display_config_apply (self->current_config, &error); + + /* re-read the configuration */ + on_screen_changed (self); + + if (error) + g_warning ("Error applying configuration: %s", error->message); + + adw_leaflet_set_visible_child_name (self->leaflet, "displays"); +} + +static void +mapped_cb (CcDisplayPanel *panel) +{ + CcShell *shell; + GtkWidget *toplevel; + + shell = cc_panel_get_shell (CC_PANEL (panel)); + toplevel = cc_shell_get_toplevel (shell); + if (toplevel && !panel->focus_id) + panel->focus_id = g_signal_connect_object (toplevel, "notify::is-active", + G_CALLBACK (dialog_toplevel_is_active_changed), panel, G_CONNECT_SWAPPED); +} + +static void +cc_display_panel_up_client_changed (CcDisplayPanel *self) +{ + gboolean lid_is_closed; + + lid_is_closed = up_client_get_lid_is_closed (self->up_client); + + if (lid_is_closed != self->lid_is_closed) + { + self->lid_is_closed = lid_is_closed; + + on_screen_changed (self); + } +} + +static void +shell_proxy_ready (GObject *source, + GAsyncResult *res, + CcDisplayPanel *self) +{ + GDBusProxy *proxy; + g_autoptr(GError) error = NULL; + + proxy = cc_object_storage_create_dbus_proxy_finish (res, &error); + if (!proxy) + { + if (!g_error_matches (error, G_IO_ERROR, G_IO_ERROR_CANCELLED)) + g_warning ("Failed to contact gnome-shell: %s", error->message); + return; + } + + self->shell_proxy = proxy; + + ensure_monitor_labels (self); +} + +static void +session_bus_ready (GObject *source, + GAsyncResult *res, + CcDisplayPanel *self) +{ + GDBusConnection *bus; + g_autoptr(GError) error = NULL; + + bus = g_bus_get_finish (res, &error); + if (!bus) + { + if (!g_error_matches (error, G_IO_ERROR, G_IO_ERROR_CANCELLED)) + { + g_warning ("Failed to get session bus: %s", error->message); + } + return; + } + + self->manager = cc_display_config_manager_dbus_new (); + g_signal_connect_object (self->manager, "changed", + G_CALLBACK (on_screen_changed), + self, + G_CONNECT_SWAPPED); +} + +static void +cc_display_panel_init (CcDisplayPanel *self) +{ + g_autoptr(GtkCssProvider) provider = NULL; + GtkExpression *expression; + + g_resources_register (cc_display_get_resource ()); + + gtk_widget_init_template (GTK_WIDGET (self)); + + self->arrangement = cc_display_arrangement_new (NULL); + gtk_widget_set_size_request (GTK_WIDGET (self->arrangement), 375, 175); + adw_bin_set_child (self->arrangement_bin, GTK_WIDGET (self->arrangement)); + + g_signal_connect_object (self->arrangement, "updated", + G_CALLBACK (update_apply_button), self, + G_CONNECT_SWAPPED); + g_signal_connect_object (self->arrangement, "notify::selected-output", + G_CALLBACK (on_arrangement_selected_ouptut_changed_cb), self, + G_CONNECT_SWAPPED); + + self->settings = cc_display_settings_new (); + adw_bin_set_child (self->display_settings_bin, GTK_WIDGET (self->settings)); + g_signal_connect_object (self->settings, "updated", + G_CALLBACK (on_monitor_settings_updated_cb), self, + G_CONNECT_SWAPPED); + + self->primary_display_list = g_list_store_new (CC_TYPE_DISPLAY_MONITOR); + + expression = gtk_cclosure_expression_new (G_TYPE_STRING, + NULL, 0, NULL, + G_CALLBACK (cc_display_monitor_dup_ui_number_name), + self, NULL); + adw_combo_row_set_expression (self->primary_display_row, expression); + adw_combo_row_set_model (self->primary_display_row, + G_LIST_MODEL (self->primary_display_list)); + + self->up_client = up_client_new (); + if (up_client_get_lid_is_present (self->up_client)) + { + g_signal_connect_object (self->up_client, "notify::lid-is-closed", + G_CALLBACK (cc_display_panel_up_client_changed), self, G_CONNECT_SWAPPED); + cc_display_panel_up_client_changed (self); + } + else + g_clear_object (&self->up_client); + + g_signal_connect (self, "map", G_CALLBACK (mapped_cb), NULL); + + cc_object_storage_create_dbus_proxy (G_BUS_TYPE_SESSION, + G_DBUS_PROXY_FLAGS_DO_NOT_LOAD_PROPERTIES | + G_DBUS_PROXY_FLAGS_DO_NOT_CONNECT_SIGNALS | + G_DBUS_PROXY_FLAGS_DO_NOT_AUTO_START, + "org.gnome.Shell", + "/org/gnome/Shell", + "org.gnome.Shell", + cc_panel_get_cancellable (CC_PANEL (self)), + (GAsyncReadyCallback) shell_proxy_ready, + self); + + g_bus_get (G_BUS_TYPE_SESSION, + cc_panel_get_cancellable (CC_PANEL (self)), + (GAsyncReadyCallback) session_bus_ready, + self); + + provider = gtk_css_provider_new (); + gtk_css_provider_load_from_resource (provider, "/org/gnome/control-center/display/display-arrangement.css"); + gtk_style_context_add_provider_for_display (gdk_display_get_default (), + GTK_STYLE_PROVIDER (provider), + GTK_STYLE_PROVIDER_PRIORITY_APPLICATION); + + gtk_shortcut_set_action (self->escape_shortcut, + gtk_callback_action_new ((GtkShortcutFunc) on_toplevel_escape_pressed_cb, + self, + NULL)); + + self->display_settings = g_settings_new (DISPLAY_SCHEMA); + g_signal_connect_object (self->display_settings, + "changed::night-light-enabled", + G_CALLBACK (on_night_light_enabled_changed_cb), + self, + 0); + on_night_light_enabled_changed_cb (NULL, NULL, self); +} |