/* Monitor Settings. A preference panel for configuring monitors * * Copyright (C) 2007, 2008 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 St, Fifth Floor, Boston, MA 02110-1301 USA * * Author: Soren Sandmann */ #include #include #include #include #include #include "scrollarea.h" #define MATE_DESKTOP_USE_UNSTABLE_API #include #include #include #include #include #include #include #include typedef struct App App; typedef struct GrabInfo GrabInfo; struct App { MateRRScreen *screen; MateRRConfig *current_configuration; MateRRLabeler *labeler; MateRROutputInfo *current_output; GtkWidget *dialog; GtkWidget *current_monitor_event_box; GtkWidget *current_monitor_label; GtkWidget *monitor_on_radio; GtkWidget *monitor_off_radio; GtkListStore *resolution_store; GtkWidget *resolution_combo; GtkWidget *refresh_combo; GtkWidget *rotation_combo; GtkWidget *panel_checkbox; GtkWidget *clone_checkbox; GtkWidget *show_icon_checkbox; GtkWidget *primary_button; /* We store the event timestamp when the Apply button is clicked */ GtkWidget *apply_button; guint32 apply_button_clicked_timestamp; GtkWidget *area; gboolean ignore_gui_changes; GSettings *settings; /* These are used while we are waiting for the ApplyConfiguration method to be executed over D-bus */ GDBusConnection *connection; GDBusProxy *proxy; enum { APPLYING_VERSION_1, APPLYING_VERSION_2 } apply_configuration_state; }; /* Response codes for custom buttons in the main dialog */ enum { RESPONSE_MAKE_DEFAULT = 1 }; static void rebuild_gui (App *app); static void on_clone_changed (GtkWidget *box, gpointer data); static void on_rate_changed (GtkComboBox *box, gpointer data); static gboolean output_overlaps (MateRROutputInfo *output, MateRRConfig *config); static void select_current_output_from_dialog_position (App *app); static void monitor_on_off_toggled_cb (GtkToggleButton *toggle, gpointer data); static void get_geometry (MateRROutputInfo *output, int *w, int *h); static void apply_configuration_returned_cb (GObject *source_object, GAsyncResult *res, gpointer data); static gboolean get_clone_size (MateRRScreen *screen, int *width, int *height); static gboolean output_info_supports_mode (App *app, MateRROutputInfo *info, int width, int height); static void error_message (App *app, const char *primary_text, const char *secondary_text) { GtkWidget *dialog; dialog = gtk_message_dialog_new ((app && app->dialog) ? GTK_WINDOW (app->dialog) : NULL, GTK_DIALOG_MODAL | GTK_DIALOG_DESTROY_WITH_PARENT, GTK_MESSAGE_ERROR, GTK_BUTTONS_CLOSE, "%s", primary_text); if (secondary_text) gtk_message_dialog_format_secondary_text (GTK_MESSAGE_DIALOG (dialog), "%s", secondary_text); gtk_dialog_run (GTK_DIALOG (dialog)); gtk_widget_destroy (dialog); } static gboolean do_free (gpointer data) { g_free (data); return FALSE; } static gchar * idle_free (gchar *s) { g_idle_add (do_free, s); return s; } static void on_screen_changed (MateRRScreen *scr, gpointer data) { MateRRConfig *current; App *app = data; current = mate_rr_config_new_current (app->screen, NULL); if (app->current_configuration) g_object_unref (app->current_configuration); app->current_configuration = current; app->current_output = NULL; if (app->labeler) { mate_rr_labeler_hide (app->labeler); g_object_unref (app->labeler); } app->labeler = mate_rr_labeler_new (app->current_configuration); select_current_output_from_dialog_position (app); } static void on_viewport_changed (FooScrollArea *scroll_area, GdkRectangle *old_viewport, GdkRectangle *new_viewport) { foo_scroll_area_set_size (scroll_area, new_viewport->width, new_viewport->height); foo_scroll_area_invalidate (scroll_area); } static void layout_set_font (PangoLayout *layout, const char *font) { PangoFontDescription *desc = pango_font_description_from_string (font); if (desc) { pango_layout_set_font_description (layout, desc); pango_font_description_free (desc); } } static void clear_combo (GtkWidget *widget) { GtkComboBox *box = GTK_COMBO_BOX (widget); GtkTreeModel *model = gtk_combo_box_get_model (box); GtkListStore *store = GTK_LIST_STORE (model); gtk_list_store_clear (store); } typedef struct { const char *text; gboolean found; GtkTreeIter iter; } ForeachInfo; static gboolean foreach (GtkTreeModel *model, GtkTreePath *path, GtkTreeIter *iter, gpointer data) { ForeachInfo *info = data; char *text = NULL; gtk_tree_model_get (model, iter, 0, &text, -1); g_assert (text != NULL); if (strcmp (info->text, text) == 0) { info->found = TRUE; info->iter = *iter; return TRUE; } return FALSE; } static void add_key (GtkWidget *widget, const char *text, int width, int height, int rate, MateRRRotation rotation) { ForeachInfo info; GtkComboBox *box = GTK_COMBO_BOX (widget); GtkTreeModel *model = gtk_combo_box_get_model (box); GtkListStore *store = GTK_LIST_STORE (model); info.text = text; info.found = FALSE; gtk_tree_model_foreach (model, foreach, &info); if (!info.found) { GtkTreeIter iter; gtk_list_store_insert_with_values (store, &iter, -1, 0, text, 1, width, 2, height, 3, rate, 4, width * height, 5, rotation, -1); } } static gboolean combo_select (GtkWidget *widget, const char *text) { GtkComboBox *box = GTK_COMBO_BOX (widget); GtkTreeModel *model = gtk_combo_box_get_model (box); ForeachInfo info; info.text = text; info.found = FALSE; gtk_tree_model_foreach (model, foreach, &info); if (!info.found) return FALSE; gtk_combo_box_set_active_iter (box, &info.iter); return TRUE; } static MateRRMode ** get_current_modes (App *app) { MateRROutput *output; if (mate_rr_config_get_clone (app->current_configuration)) { return mate_rr_screen_list_clone_modes (app->screen); } else { if (!app->current_output) return NULL; output = mate_rr_screen_get_output_by_name (app->screen, mate_rr_output_info_get_name (app->current_output)); if (!output) return NULL; return mate_rr_output_list_modes (output); } } static void rebuild_rotation_combo (App *app) { typedef struct { MateRRRotation rotation; const char * name; } RotationInfo; static const RotationInfo rotations[] = { { MATE_RR_ROTATION_0, N_("Normal") }, { MATE_RR_ROTATION_90, N_("Left") }, { MATE_RR_ROTATION_270, N_("Right") }, { MATE_RR_ROTATION_180, N_("Upside Down") }, }; const char *selection; MateRRRotation current; int i; clear_combo (app->rotation_combo); gtk_widget_set_sensitive (app->rotation_combo, app->current_output && mate_rr_output_info_is_active (app->current_output)); if (!app->current_output) return; current = mate_rr_output_info_get_rotation (app->current_output); selection = NULL; for (i = 0; i < G_N_ELEMENTS (rotations); ++i) { const RotationInfo *info = &(rotations[i]); mate_rr_output_info_set_rotation (app->current_output, info->rotation); /* NULL-GError --- FIXME: we should say why this rotation is not available! */ if (mate_rr_config_applicable (app->current_configuration, app->screen, NULL)) { add_key (app->rotation_combo, _(info->name), 0, 0, 0, info->rotation); if (info->rotation == current) selection = _(info->name); } } mate_rr_output_info_set_rotation (app->current_output, current); if (!(selection && combo_select (app->rotation_combo, selection))) combo_select (app->rotation_combo, _("Normal")); } static char * make_rate_string (int hz) { return g_strdup_printf (_("%d Hz"), hz); } static void rebuild_rate_combo (App *app) { MateRRMode **modes; int best; int i; clear_combo (app->refresh_combo); gtk_widget_set_sensitive ( app->refresh_combo, app->current_output && mate_rr_output_info_is_active (app->current_output)); if (!app->current_output || !(modes = get_current_modes (app))) return; best = -1; for (i = 0; modes[i] != NULL; ++i) { MateRRMode *mode = modes[i]; int width, height, rate; int output_width, output_height; mate_rr_output_info_get_geometry (app->current_output, NULL, NULL, &output_width, &output_height); width = mate_rr_mode_get_width (mode); height = mate_rr_mode_get_height (mode); rate = mate_rr_mode_get_freq (mode); if (width == output_width && height == output_height) { add_key (app->refresh_combo, idle_free (make_rate_string (rate)), 0, 0, rate, -1); if (rate > best) best = rate; } } if (!combo_select (app->refresh_combo, idle_free (make_rate_string (mate_rr_output_info_get_refresh_rate (app->current_output))))) combo_select (app->refresh_combo, idle_free (make_rate_string (best))); } static int count_active_outputs (App *app) { int i, count = 0; MateRROutputInfo **outputs = mate_rr_config_get_outputs (app->current_configuration); for (i = 0; outputs[i] != NULL; ++i) { if (mate_rr_output_info_is_active (outputs[i])) count++; } return count; } /* Computes whether "Mirror Screens" (clone mode) is supported based on these criteria: * * 1. There is an available size for cloning. * * 2. There are 2 or more connected outputs that support that size. */ static gboolean mirror_screens_is_supported (App *app) { int clone_width, clone_height; gboolean have_clone_size; gboolean mirror_is_supported; mirror_is_supported = FALSE; have_clone_size = get_clone_size (app->screen, &clone_width, &clone_height); if (have_clone_size) { int i; int num_outputs_with_clone_size; MateRROutputInfo **outputs = mate_rr_config_get_outputs (app->current_configuration); num_outputs_with_clone_size = 0; for (i = 0; outputs[i] != NULL; i++) { /* We count the connected outputs that support the clone size. It * doesn't matter if those outputs aren't actually On currently; we * will turn them on in on_clone_changed(). */ if (mate_rr_output_info_is_connected (outputs[i]) && output_info_supports_mode (app, outputs[i], clone_width, clone_height)) num_outputs_with_clone_size++; } if (num_outputs_with_clone_size >= 2) mirror_is_supported = TRUE; } return mirror_is_supported; } static void rebuild_mirror_screens (App *app) { gboolean mirror_is_active; gboolean mirror_is_supported; g_signal_handlers_block_by_func (app->clone_checkbox, G_CALLBACK (on_clone_changed), app); mirror_is_active = app->current_configuration && mate_rr_config_get_clone (app->current_configuration); /* If mirror_is_active, then it *must* be possible to turn mirroring off */ mirror_is_supported = mirror_is_active || mirror_screens_is_supported (app); gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (app->clone_checkbox), mirror_is_active); gtk_widget_set_sensitive (app->clone_checkbox, mirror_is_supported); g_signal_handlers_unblock_by_func (app->clone_checkbox, G_CALLBACK (on_clone_changed), app); } static void rebuild_current_monitor_label (App *app) { char *str, *tmp; GdkRGBA color; gboolean use_color; if (app->current_output) { if (mate_rr_config_get_clone (app->current_configuration)) tmp = g_strdup (_("Mirror Screens")); else tmp = g_strdup_printf (_("Monitor: %s"), mate_rr_output_info_get_display_name (app->current_output)); str = g_strdup_printf ("%s", tmp); mate_rr_labeler_get_rgba_for_output (app->labeler, app->current_output, &color); use_color = TRUE; g_free (tmp); } else { str = g_strdup_printf ("%s", _("Monitor")); use_color = FALSE; } gtk_label_set_markup (GTK_LABEL (app->current_monitor_label), str); g_free (str); if (use_color) { GdkRGBA black = { 0, 0, 0, 1.0 }; gtk_widget_override_background_color (app->current_monitor_event_box, gtk_widget_get_state_flags (app->current_monitor_event_box), &color); /* Make the label explicitly black. We don't want it to follow the * theme's colors, since the label is always shown against a light * pastel background. See bgo#556050 */ gtk_widget_override_color (app->current_monitor_label, gtk_widget_get_state_flags (app->current_monitor_label), &black); } gtk_event_box_set_visible_window (GTK_EVENT_BOX (app->current_monitor_event_box), use_color); } static void rebuild_on_off_radios (App *app) { gboolean sensitive; gboolean on_active; gboolean off_active; g_signal_handlers_block_by_func (app->monitor_on_radio, G_CALLBACK (monitor_on_off_toggled_cb), app); g_signal_handlers_block_by_func (app->monitor_off_radio, G_CALLBACK (monitor_on_off_toggled_cb), app); sensitive = FALSE; on_active = FALSE; off_active = FALSE; if (!mate_rr_config_get_clone (app->current_configuration) && app->current_output) { if (count_active_outputs (app) > 1 || !mate_rr_output_info_is_active (app->current_output)) sensitive = TRUE; else sensitive = FALSE; on_active = mate_rr_output_info_is_active (app->current_output); off_active = !on_active; } gtk_widget_set_sensitive (app->monitor_on_radio, sensitive); gtk_widget_set_sensitive (app->monitor_off_radio, sensitive); gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (app->monitor_on_radio), on_active); gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (app->monitor_off_radio), off_active); g_signal_handlers_unblock_by_func (app->monitor_on_radio, G_CALLBACK (monitor_on_off_toggled_cb), app); g_signal_handlers_unblock_by_func (app->monitor_off_radio, G_CALLBACK (monitor_on_off_toggled_cb), app); } static char * make_resolution_string (int width, int height) { return g_strdup_printf (_("%d x %d"), width, height); } static void find_best_mode (MateRRMode **modes, int *out_width, int *out_height) { int i; *out_width = 0; *out_height = 0; for (i = 0; modes[i] != NULL; i++) { int w, h; w = mate_rr_mode_get_width (modes[i]); h = mate_rr_mode_get_height (modes[i]); if (w * h > *out_width * *out_height) { *out_width = w; *out_height = h; } } } static void rebuild_resolution_combo (App *app) { int i; MateRRMode **modes; const char *current; int output_width, output_height; clear_combo (app->resolution_combo); if (!(modes = get_current_modes (app)) || !app->current_output || !mate_rr_output_info_is_active (app->current_output)) { gtk_widget_set_sensitive (app->resolution_combo, FALSE); return; } g_assert (app->current_output != NULL); mate_rr_output_info_get_geometry (app->current_output, NULL, NULL, &output_width, &output_height); g_assert (output_width != 0 && output_height != 0); gtk_widget_set_sensitive (app->resolution_combo, TRUE); for (i = 0; modes[i] != NULL; ++i) { int width, height; width = mate_rr_mode_get_width (modes[i]); height = mate_rr_mode_get_height (modes[i]); add_key (app->resolution_combo, idle_free (make_resolution_string (width, height)), width, height, 0, -1); } current = idle_free (make_resolution_string (output_width, output_height)); if (!combo_select (app->resolution_combo, current)) { int best_w, best_h; find_best_mode (modes, &best_w, &best_h); combo_select (app->resolution_combo, idle_free (make_resolution_string (best_w, best_h))); } } static void rebuild_gui (App *app) { gboolean sensitive; /* We would break spectacularly if we recursed, so * just assert if that happens */ g_assert (app->ignore_gui_changes == FALSE); app->ignore_gui_changes = TRUE; sensitive = app->current_output ? TRUE : FALSE; #if 0 g_debug ("rebuild gui, is on: %d", mate_rr_output_info_is_active (app->current_output)); #endif rebuild_mirror_screens (app); rebuild_current_monitor_label (app); rebuild_on_off_radios (app); rebuild_resolution_combo (app); rebuild_rate_combo (app); rebuild_rotation_combo (app); #if 0 g_debug ("sensitive: %d, on: %d", sensitive, mate_rr_output_info_is_active (app->current_output)); #endif gtk_widget_set_sensitive (app->panel_checkbox, sensitive); gtk_widget_set_sensitive (app->primary_button, app->current_output && !mate_rr_output_info_get_primary(app->current_output)); app->ignore_gui_changes = FALSE; } static gboolean get_mode (GtkWidget *widget, int *width, int *height, int *freq, MateRRRotation *rot) { GtkTreeIter iter; GtkTreeModel *model; GtkComboBox *box = GTK_COMBO_BOX (widget); int dummy; if (!gtk_combo_box_get_active_iter (box, &iter)) return FALSE; if (!width) width = &dummy; if (!height) height = &dummy; if (!freq) freq = &dummy; if (!rot) rot = (MateRRRotation *)&dummy; model = gtk_combo_box_get_model (box); gtk_tree_model_get (model, &iter, 1, width, 2, height, 3, freq, 5, rot, -1); return TRUE; } static void on_rotation_changed (GtkComboBox *box, gpointer data) { App *app = data; MateRRRotation rotation; if (!app->current_output) return; if (get_mode (app->rotation_combo, NULL, NULL, NULL, &rotation)) mate_rr_output_info_set_rotation (app->current_output, rotation); foo_scroll_area_invalidate (FOO_SCROLL_AREA (app->area)); } static void on_rate_changed (GtkComboBox *box, gpointer data) { App *app = data; int rate; if (!app->current_output) return; if (get_mode (app->refresh_combo, NULL, NULL, &rate, NULL)) mate_rr_output_info_set_refresh_rate (app->current_output, rate); foo_scroll_area_invalidate (FOO_SCROLL_AREA (app->area)); } static void select_resolution_for_current_output (App *app) { MateRRMode **modes; int width, height; int x, y; mate_rr_output_info_get_geometry (app->current_output, &x, &y, NULL, NULL); width = mate_rr_output_info_get_preferred_width (app->current_output); height = mate_rr_output_info_get_preferred_height (app->current_output); if (width != 0 && height != 0) { mate_rr_output_info_set_geometry (app->current_output, x, y, width, height); return; } modes = get_current_modes (app); if (!modes) return; find_best_mode (modes, &width, &height); mate_rr_output_info_set_geometry (app->current_output, x, y, width, height); } static void monitor_on_off_toggled_cb (GtkToggleButton *toggle, gpointer data) { App *app = data; gboolean is_on; if (!app->current_output) return; if (!gtk_toggle_button_get_active (toggle)) return; if (GTK_WIDGET (toggle) == app->monitor_on_radio) is_on = TRUE; else if (GTK_WIDGET (toggle) == app->monitor_off_radio) is_on = FALSE; else { g_assert_not_reached (); return; } mate_rr_output_info_set_active (app->current_output, is_on); if (is_on) select_resolution_for_current_output (app); /* The refresh rate will be picked in rebuild_rate_combo() */ rebuild_gui (app); foo_scroll_area_invalidate (FOO_SCROLL_AREA (app->area)); } static void realign_outputs_after_resolution_change (App *app, MateRROutputInfo *output_that_changed, int old_width, int old_height) { /* We find the outputs that were below or to the right of the output that * changed, and realign them; we also do that for outputs that shared the * right/bottom edges with the output that changed. The outputs that are * above or to the left of that output don't need to change. */ int i; int old_right_edge, old_bottom_edge; int dx, dy; int x, y, width, height; MateRROutputInfo **outputs; g_assert (app->current_configuration != NULL); mate_rr_output_info_get_geometry (output_that_changed, &x, &y, &width, &height); if (width == old_width && height == old_height) return; old_right_edge = x + old_width; old_bottom_edge = y + old_height; dx = width - old_width; dy = height - old_height; outputs = mate_rr_config_get_outputs (app->current_configuration); for (i = 0; outputs[i] != NULL; i++) { int output_x, output_y; int output_width, output_height; if (outputs[i] == output_that_changed || mate_rr_output_info_is_connected (outputs[i])) continue; mate_rr_output_info_get_geometry (outputs[i], &output_x, &output_y, &output_width, &output_height); if (output_x >= old_right_edge) output_x += dx; else if (output_x + output_width == old_right_edge) output_x = x + width - output_width; if (output_y >= old_bottom_edge) output_y += dy; else if (output_y + output_height == old_bottom_edge) output_y = y + height - output_height; mate_rr_output_info_set_geometry (outputs[i], output_x, output_y, output_width, output_height); } } static void on_resolution_changed (GtkComboBox *box, gpointer data) { App *app = data; int old_width, old_height; int x, y; int width; int height; if (!app->current_output) return; mate_rr_output_info_get_geometry (app->current_output, &x, &y, &old_width, &old_height); if (get_mode (app->resolution_combo, &width, &height, NULL, NULL)) { mate_rr_output_info_set_geometry (app->current_output, x, y, width, height); if (width == 0 || height == 0) mate_rr_output_info_set_active (app->current_output, FALSE); else mate_rr_output_info_set_active (app->current_output, TRUE); } realign_outputs_after_resolution_change (app, app->current_output, old_width, old_height); rebuild_rate_combo (app); rebuild_rotation_combo (app); foo_scroll_area_invalidate (FOO_SCROLL_AREA (app->area)); } static void lay_out_outputs_horizontally (App *app) { int i; int x; MateRROutputInfo **outputs; /* Lay out all the monitors horizontally when "mirror screens" is turned * off, to avoid having all of them overlapped initially. We put the * outputs turned off on the right-hand side. */ x = 0; /* First pass, all "on" outputs */ outputs = mate_rr_config_get_outputs (app->current_configuration); for (i = 0; outputs[i]; ++i) { int width, height; if (mate_rr_output_info_is_connected (outputs[i]) &&mate_rr_output_info_is_active (outputs[i])) { mate_rr_output_info_get_geometry (outputs[i], NULL, NULL, &width, &height); mate_rr_output_info_set_geometry (outputs[i], x, 0, width, height); x += width; } } /* Second pass, all the black screens */ for (i = 0; outputs[i]; ++i) { int width, height; if (!(mate_rr_output_info_is_connected (outputs[i]) && mate_rr_output_info_is_active (outputs[i]))) { mate_rr_output_info_get_geometry (outputs[i], NULL, NULL, &width, &height); mate_rr_output_info_set_geometry (outputs[i], x, 0, width, height); x += width; } } } /* FIXME: this function is copied from mate-settings-daemon/plugins/xrandr/gsd-xrandr-manager.c. * Do we need to put this function in mate-desktop for public use? */ static gboolean get_clone_size (MateRRScreen *screen, int *width, int *height) { MateRRMode **modes = mate_rr_screen_list_clone_modes (screen); int best_w, best_h; int i; best_w = 0; best_h = 0; for (i = 0; modes[i] != NULL; ++i) { MateRRMode *mode = modes[i]; int w, h; w = mate_rr_mode_get_width (mode); h = mate_rr_mode_get_height (mode); if (w * h > best_w * best_h) { best_w = w; best_h = h; } } if (best_w > 0 && best_h > 0) { if (width) *width = best_w; if (height) *height = best_h; return TRUE; } return FALSE; } static gboolean output_info_supports_mode (App *app, MateRROutputInfo *info, int width, int height) { MateRROutput *output; MateRRMode **modes; int i; if (!mate_rr_output_info_is_connected (info)) return FALSE; output = mate_rr_screen_get_output_by_name (app->screen, mate_rr_output_info_get_name (info)); if (!output) return FALSE; modes = mate_rr_output_list_modes (output); for (i = 0; modes[i]; i++) { if (mate_rr_mode_get_width (modes[i]) == width && mate_rr_mode_get_height (modes[i]) == height) return TRUE; } return FALSE; } static void on_clone_changed (GtkWidget *box, gpointer data) { App *app = data; mate_rr_config_set_clone (app->current_configuration, gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (app->clone_checkbox))); if (mate_rr_config_get_clone (app->current_configuration)) { int i; int width, height; MateRROutputInfo **outputs = mate_rr_config_get_outputs (app->current_configuration); for (i = 0; outputs[i]; ++i) { if (mate_rr_output_info_is_connected(outputs[i])) { app->current_output = outputs[i]; break; } } /* Turn on all the connected screens that support the best clone mode. * The user may hit "Mirror Screens", but he shouldn't have to turn on * all the required outputs as well. */ get_clone_size (app->screen, &width, &height); for (i = 0; outputs[i]; i++) { int x, y; if (output_info_supports_mode (app, outputs[i], width, height)) { mate_rr_output_info_set_active (outputs[i], TRUE); mate_rr_output_info_get_geometry (outputs[i], &x, &y, NULL, NULL); mate_rr_output_info_set_geometry (outputs[i], x, y, width, height); } } } else { if (output_overlaps (app->current_output, app->current_configuration)) lay_out_outputs_horizontally (app); } rebuild_gui (app); } static void get_geometry (MateRROutputInfo *output, int *w, int *h) { MateRRRotation rotation; if (mate_rr_output_info_is_active (output)) { mate_rr_output_info_get_geometry (output, NULL, NULL, w, h); } else { *h = mate_rr_output_info_get_preferred_height (output); *w = mate_rr_output_info_get_preferred_width (output); } rotation = mate_rr_output_info_get_rotation (output); if ((rotation & MATE_RR_ROTATION_90) || (rotation & MATE_RR_ROTATION_270)) { int tmp; tmp = *h; *h = *w; *w = tmp; } } #define SPACE 15 #define MARGIN 15 static GList * list_connected_outputs (App *app, int *total_w, int *total_h) { int i, dummy; GList *result = NULL; MateRROutputInfo **outputs; if (!total_w) total_w = &dummy; if (!total_h) total_h = &dummy; *total_w = 0; *total_h = 0; outputs = mate_rr_config_get_outputs(app->current_configuration); for (i = 0; outputs[i] != NULL; ++i) { if (mate_rr_output_info_is_connected (outputs[i])) { int w, h; result = g_list_prepend (result, outputs[i]); get_geometry (outputs[i], &w, &h); *total_w += w; *total_h += h; } } return g_list_reverse (result); } static int get_n_connected (App *app) { GList *connected_outputs = list_connected_outputs (app, NULL, NULL); int n = g_list_length (connected_outputs); g_list_free (connected_outputs); return n; } static double compute_scale (App *app) { int available_w, available_h; int total_w, total_h; int n_monitors; GdkRectangle viewport; GList *connected_outputs; foo_scroll_area_get_viewport (FOO_SCROLL_AREA (app->area), &viewport); connected_outputs = list_connected_outputs (app, &total_w, &total_h); n_monitors = g_list_length (connected_outputs); g_list_free (connected_outputs); available_w = viewport.width - 2 * MARGIN - (n_monitors - 1) * SPACE; available_h = viewport.height - 2 * MARGIN - (n_monitors - 1) * SPACE; return MIN ((double)available_w / total_w, (double)available_h / total_h); } typedef struct Edge { MateRROutputInfo *output; int x1, y1; int x2, y2; } Edge; typedef struct Snap { Edge *snapper; /* Edge that should be snapped */ Edge *snappee; int dy, dx; } Snap; static void add_edge (MateRROutputInfo *output, int x1, int y1, int x2, int y2, GArray *edges) { Edge e; e.x1 = x1; e.x2 = x2; e.y1 = y1; e.y2 = y2; e.output = output; g_array_append_val (edges, e); } static void list_edges_for_output (MateRROutputInfo *output, GArray *edges) { int x, y, w, h; mate_rr_output_info_get_geometry (output, &x, &y, &w, &h); get_geometry(output, &w, &h); // accounts for rotation /* Top, Bottom, Left, Right */ add_edge (output, x, y, x + w, y, edges); add_edge (output, x, y + h, x + w, y + h, edges); add_edge (output, x, y, x, y + h, edges); add_edge (output, x + w, y, x + w, y + h, edges); } static void list_edges (MateRRConfig *config, GArray *edges) { int i; MateRROutputInfo **outputs = mate_rr_config_get_outputs (config); for (i = 0; outputs[i]; ++i) { if (mate_rr_output_info_is_connected (outputs[i])) list_edges_for_output (outputs[i], edges); } } static gboolean overlap (int s1, int e1, int s2, int e2) { return (!(e1 < s2 || s1 >= e2)); } static gboolean horizontal_overlap (Edge *snapper, Edge *snappee) { if (snapper->y1 != snapper->y2 || snappee->y1 != snappee->y2) return FALSE; return overlap (snapper->x1, snapper->x2, snappee->x1, snappee->x2); } static gboolean vertical_overlap (Edge *snapper, Edge *snappee) { if (snapper->x1 != snapper->x2 || snappee->x1 != snappee->x2) return FALSE; return overlap (snapper->y1, snapper->y2, snappee->y1, snappee->y2); } static void add_snap (GArray *snaps, Snap snap) { if (ABS (snap.dx) <= 200 || ABS (snap.dy) <= 200) g_array_append_val (snaps, snap); } static void add_edge_snaps (Edge *snapper, Edge *snappee, GArray *snaps) { Snap snap; snap.snapper = snapper; snap.snappee = snappee; if (horizontal_overlap (snapper, snappee)) { snap.dx = 0; snap.dy = snappee->y1 - snapper->y1; add_snap (snaps, snap); } else if (vertical_overlap (snapper, snappee)) { snap.dy = 0; snap.dx = snappee->x1 - snapper->x1; add_snap (snaps, snap); } /* Corner snaps */ /* 1->1 */ snap.dx = snappee->x1 - snapper->x1; snap.dy = snappee->y1 - snapper->y1; add_snap (snaps, snap); /* 1->2 */ snap.dx = snappee->x2 - snapper->x1; snap.dy = snappee->y2 - snapper->y1; add_snap (snaps, snap); /* 2->2 */ snap.dx = snappee->x2 - snapper->x2; snap.dy = snappee->y2 - snapper->y2; add_snap (snaps, snap); /* 2->1 */ snap.dx = snappee->x1 - snapper->x2; snap.dy = snappee->y1 - snapper->y2; add_snap (snaps, snap); } static void list_snaps (MateRROutputInfo *output, GArray *edges, GArray *snaps) { int i; for (i = 0; i < edges->len; ++i) { Edge *output_edge = &(g_array_index (edges, Edge, i)); if (output_edge->output == output) { int j; for (j = 0; j < edges->len; ++j) { Edge *edge = &(g_array_index (edges, Edge, j)); if (edge->output != output) add_edge_snaps (output_edge, edge, snaps); } } } } #if 0 static void print_edge (Edge *edge) { g_debug ("(%d %d %d %d)", edge->x1, edge->y1, edge->x2, edge->y2); } #endif static gboolean corner_on_edge (int x, int y, Edge *e) { if (x == e->x1 && x == e->x2 && y >= e->y1 && y <= e->y2) return TRUE; if (y == e->y1 && y == e->y2 && x >= e->x1 && x <= e->x2) return TRUE; return FALSE; } static gboolean edges_align (Edge *e1, Edge *e2) { if (corner_on_edge (e1->x1, e1->y1, e2)) return TRUE; if (corner_on_edge (e2->x1, e2->y1, e1)) return TRUE; return FALSE; } static gboolean output_is_aligned (MateRROutputInfo *output, GArray *edges) { gboolean result = FALSE; int i; for (i = 0; i < edges->len; ++i) { Edge *output_edge = &(g_array_index (edges, Edge, i)); if (output_edge->output == output) { int j; for (j = 0; j < edges->len; ++j) { Edge *edge = &(g_array_index (edges, Edge, j)); /* We are aligned if an output edge matches * an edge of another output */ if (edge->output != output_edge->output) { if (edges_align (output_edge, edge)) { result = TRUE; goto done; } } } } } done: return result; } static void get_output_rect (MateRROutputInfo *output, GdkRectangle *rect) { mate_rr_output_info_get_geometry (output, &rect->x, &rect->y, &rect->width, &rect->height); get_geometry (output, &rect->width, &rect->height); // accounts for rotation } static gboolean output_overlaps (MateRROutputInfo *output, MateRRConfig *config) { int i; GdkRectangle output_rect; MateRROutputInfo **outputs; get_output_rect (output, &output_rect); outputs = mate_rr_config_get_outputs (config); for (i = 0; outputs[i]; ++i) { if (outputs[i] != output && mate_rr_output_info_is_connected (outputs[i])) { GdkRectangle other_rect; get_output_rect (outputs[i], &other_rect); if (gdk_rectangle_intersect (&output_rect, &other_rect, NULL)) return TRUE; } } return FALSE; } static gboolean mate_rr_config_is_aligned (MateRRConfig *config, GArray *edges) { int i; gboolean result = TRUE; MateRROutputInfo **outputs; outputs = mate_rr_config_get_outputs(config); for (i = 0; outputs[i]; ++i) { if (mate_rr_output_info_is_connected (outputs[i])) { if (!output_is_aligned (outputs[i], edges)) return FALSE; if (output_overlaps (outputs[i], config)) return FALSE; } } return result; } struct GrabInfo { int grab_x; int grab_y; int output_x; int output_y; }; static gboolean is_corner_snap (const Snap *s) { return s->dx != 0 && s->dy != 0; } static int compare_snaps (gconstpointer v1, gconstpointer v2) { const Snap *s1 = v1; const Snap *s2 = v2; int sv1 = MAX (ABS (s1->dx), ABS (s1->dy)); int sv2 = MAX (ABS (s2->dx), ABS (s2->dy)); int d; d = sv1 - sv2; /* This snapping algorithm is good enough for rock'n'roll, but * this is probably a better: * * First do a horizontal/vertical snap, then * with the new coordinates from that snap, * do a corner snap. * * Right now, it's confusing that corner snapping * depends on the distance in an axis that you can't actually see. * */ if (d == 0) { if (is_corner_snap (s1) && !is_corner_snap (s2)) return -1; else if (is_corner_snap (s2) && !is_corner_snap (s1)) return 1; else return 0; } else { return d; } } /* Sets a mouse cursor for a widget's window. As a hack, you can pass * GDK_BLANK_CURSOR to mean "set the cursor to NULL" (i.e. reset the widget's * window's cursor to its default). */ static void set_cursor (GtkWidget *widget, GdkCursorType type) { GdkCursor *cursor; GdkWindow *window; if (type == GDK_BLANK_CURSOR) cursor = NULL; else cursor = gdk_cursor_new_for_display (gtk_widget_get_display (widget), type); window = gtk_widget_get_window (widget); if (window) gdk_window_set_cursor (window, cursor); if (cursor) g_object_unref (cursor); } static void set_monitors_tooltip (App *app, gboolean is_dragging) { const char *text; if (is_dragging) text = NULL; else text = _("Select a monitor to change its properties; drag it to rearrange its placement."); gtk_widget_set_tooltip_text (app->area, text); } static void on_output_event (FooScrollArea *area, FooScrollAreaEvent *event, gpointer data) { MateRROutputInfo *output = data; App *app = g_object_get_data (G_OBJECT (area), "app"); /* If the mouse is inside the outputs, set the cursor to "you can move me". See * on_canvas_event() for where we reset the cursor to the default if it * exits the outputs' area. */ if (!mate_rr_config_get_clone (app->current_configuration) && get_n_connected (app) > 1) set_cursor (GTK_WIDGET (area), GDK_FLEUR); if (event->type == FOO_BUTTON_PRESS) { GrabInfo *info; app->current_output = output; rebuild_gui (app); set_monitors_tooltip (app, TRUE); if (!mate_rr_config_get_clone (app->current_configuration) && get_n_connected (app) > 1) { int output_x, output_y; mate_rr_output_info_get_geometry (output, &output_x, &output_y, NULL, NULL); foo_scroll_area_begin_grab (area, on_output_event, data); info = g_new0 (GrabInfo, 1); info->grab_x = event->x; info->grab_y = event->y; info->output_x = output_x; info->output_y = output_y; g_object_set_data (G_OBJECT (output), "grab-info", info); } foo_scroll_area_invalidate (area); } else { if (foo_scroll_area_is_grabbed (area)) { GrabInfo *info = g_object_get_data (G_OBJECT (output), "grab-info"); double scale = compute_scale (app); int old_x, old_y; int width, height; int new_x, new_y; int i; GArray *edges, *snaps, *new_edges; mate_rr_output_info_get_geometry (output, &old_x, &old_y, &width, &height); new_x = info->output_x + (event->x - info->grab_x) / scale; new_y = info->output_y + (event->y - info->grab_y) / scale; mate_rr_output_info_set_geometry (output, new_x, new_y, width, height); edges = g_array_new (TRUE, TRUE, sizeof (Edge)); snaps = g_array_new (TRUE, TRUE, sizeof (Snap)); new_edges = g_array_new (TRUE, TRUE, sizeof (Edge)); list_edges (app->current_configuration, edges); list_snaps (output, edges, snaps); g_array_sort (snaps, compare_snaps); mate_rr_output_info_set_geometry (output, new_x, new_y, width, height); for (i = 0; i < snaps->len; ++i) { Snap *snap = &(g_array_index (snaps, Snap, i)); GArray *new_edges = g_array_new (TRUE, TRUE, sizeof (Edge)); mate_rr_output_info_set_geometry (output, new_x + snap->dx, new_y + snap->dy, width, height); g_array_set_size (new_edges, 0); list_edges (app->current_configuration, new_edges); if (mate_rr_config_is_aligned (app->current_configuration, new_edges)) { g_array_free (new_edges, TRUE); break; } else { mate_rr_output_info_set_geometry (output, info->output_x, info->output_y, width, height); } } g_array_free (new_edges, TRUE); g_array_free (snaps, TRUE); g_array_free (edges, TRUE); if (event->type == FOO_BUTTON_RELEASE) { foo_scroll_area_end_grab (area); set_monitors_tooltip (app, FALSE); g_free (g_object_get_data (G_OBJECT (output), "grab-info")); g_object_set_data (G_OBJECT (output), "grab-info", NULL); #if 0 g_debug ("new position: %d %d %d %d", output->x, output->y, output->width, output->height); #endif } foo_scroll_area_invalidate (area); } } } static void on_canvas_event (FooScrollArea *area, FooScrollAreaEvent *event, gpointer data) { /* If the mouse exits the outputs, reset the cursor to the default. See * on_output_event() for where we set the cursor to the movement cursor if * it is over one of the outputs. */ set_cursor (GTK_WIDGET (area), GDK_BLANK_CURSOR); } static PangoLayout * get_display_name (App *app, MateRROutputInfo *output) { char *text; PangoLayout * layout; if (mate_rr_config_get_clone (app->current_configuration)) { /* Translators: this is the feature where what you see on your laptop's * screen is the same as your external monitor. Here, "Mirror" is being * used as an adjective, not as a verb. For example, the Spanish * translation could be "Pantallas en Espejo", *not* "Espejar Pantallas". */ text = g_strdup_printf (_("Mirror Screens")); } else { text = g_strdup_printf ("%s\n%s", mate_rr_output_info_get_display_name (output), mate_rr_output_info_get_name (output)); } layout = gtk_widget_create_pango_layout (GTK_WIDGET (app->area), text); pango_layout_set_markup (layout, text, -1); g_free (text); pango_layout_set_alignment (layout, PANGO_ALIGN_CENTER); return layout; } static void paint_background (FooScrollArea *area, cairo_t *cr) { GdkRectangle viewport; GtkWidget *widget; GtkStyleContext *widget_style; GdkRGBA *base_color = NULL; GdkRGBA dark_color; widget = GTK_WIDGET (area); foo_scroll_area_get_viewport (area, &viewport); widget_style = gtk_widget_get_style_context (widget); gtk_style_context_save (widget_style); gtk_style_context_set_state (widget_style, GTK_STATE_FLAG_SELECTED); gtk_style_context_get (widget_style, gtk_style_context_get_state (widget_style), GTK_STYLE_PROPERTY_BACKGROUND_COLOR, &base_color, NULL); gtk_style_context_restore (widget_style); gdk_cairo_set_source_rgba(cr, base_color); gdk_rgba_free (base_color); cairo_rectangle (cr, viewport.x, viewport.y, viewport.width, viewport.height); cairo_fill_preserve (cr); foo_scroll_area_add_input_from_fill (area, cr, on_canvas_event, NULL); gtk_style_context_save (widget_style); gtk_style_context_set_state (widget_style, GTK_STATE_FLAG_SELECTED); mate_desktop_gtk_style_get_dark_color (widget_style, gtk_style_context_get_state (widget_style), &dark_color); gtk_style_context_restore (widget_style); gdk_cairo_set_source_rgba (cr, &dark_color); cairo_stroke (cr); } static void paint_output (App *app, cairo_t *cr, int i) { int w, h; double scale = compute_scale (app); double x, y; int output_x, output_y; MateRRRotation rotation; int total_w, total_h; GList *connected_outputs = list_connected_outputs (app, &total_w, &total_h); MateRROutputInfo *output = g_list_nth_data (connected_outputs, i); PangoLayout *layout = get_display_name (app, output); PangoRectangle ink_extent, log_extent; GdkRectangle viewport; GdkRGBA output_color; double r, g, b; double available_w; double factor; cairo_save (cr); foo_scroll_area_get_viewport (FOO_SCROLL_AREA (app->area), &viewport); get_geometry (output, &w, &h); #if 0 g_debug ("%s (%p) geometry %d %d %d", output->name, output, w, h, output->rate); #endif viewport.height -= 2 * MARGIN; viewport.width -= 2 * MARGIN; mate_rr_output_info_get_geometry (output, &output_x, &output_y, NULL, NULL); x = output_x * scale + MARGIN + (viewport.width - total_w * scale) / 2.0; y = output_y * scale + MARGIN + (viewport.height - total_h * scale) / 2.0; #if 0 g_debug ("scaled: %f %f", x, y); g_debug ("scale: %f", scale); g_debug ("%f %f %f %f", x, y, w * scale + 0.5, h * scale + 0.5); #endif cairo_translate (cr, x + (w * scale + 0.5) / 2, y + (h * scale + 0.5) / 2); /* rotation is already applied in get_geometry */ rotation = mate_rr_output_info_get_rotation (output); if (rotation & MATE_RR_REFLECT_X) cairo_scale (cr, -1, 1); if (rotation & MATE_RR_REFLECT_Y) cairo_scale (cr, 1, -1); cairo_translate (cr, - x - (w * scale + 0.5) / 2, - y - (h * scale + 0.5) / 2); cairo_rectangle (cr, x, y, w * scale + 0.5, h * scale + 0.5); cairo_clip_preserve (cr); mate_rr_labeler_get_rgba_for_output (app->labeler, output, &output_color); r = output_color.red; g = output_color.green; b = output_color.blue; if (!mate_rr_output_info_is_active (output)) { /* If the output is turned off, just darken the selected color */ r *= 0.2; g *= 0.2; b *= 0.2; } cairo_set_source_rgba (cr, r, g, b, 1.0); foo_scroll_area_add_input_from_fill (FOO_SCROLL_AREA (app->area), cr, on_output_event, output); cairo_fill (cr); if (output == app->current_output) { cairo_rectangle (cr, x + 2, y + 2, w * scale + 0.5 - 4, h * scale + 0.5 - 4); cairo_set_line_width (cr, 4); cairo_set_source_rgba (cr, 0.33, 0.43, 0.57, 1.0); cairo_stroke (cr); } cairo_rectangle (cr, x + 0.5, y + 0.5, w * scale + 0.5 - 1, h * scale + 0.5 - 1); cairo_set_line_width (cr, 1); cairo_set_source_rgba (cr, 0.0, 0.0, 0.0, 1.0); cairo_stroke (cr); cairo_set_line_width (cr, 2); layout_set_font (layout, "Sans 12"); pango_layout_get_pixel_extents (layout, &ink_extent, &log_extent); available_w = w * scale + 0.5 - 6; /* Same as the inner rectangle's width, minus 1 pixel of padding on each side */ if (available_w < ink_extent.width) factor = available_w / ink_extent.width; else factor = 1.0; cairo_move_to (cr, x + ((w * scale + 0.5) - factor * log_extent.width) / 2, y + ((h * scale + 0.5) - factor * log_extent.height) / 2); cairo_scale (cr, factor, factor); if (mate_rr_output_info_is_active (output)) cairo_set_source_rgb (cr, 0.0, 0.0, 0.0); else cairo_set_source_rgb (cr, 1.0, 1.0, 1.0); pango_cairo_show_layout (cr, layout); cairo_restore (cr); g_object_unref (layout); } static void on_area_paint (FooScrollArea *area, cairo_t *cr, gpointer data) { App *app = data; GList *connected_outputs = NULL; GList *list; paint_background (area, cr); if (!app->current_configuration) return; connected_outputs = list_connected_outputs (app, NULL, NULL); #if 0 double scale; scale = compute_scale (app); g_debug ("scale: %f", scale); #endif for (list = connected_outputs; list != NULL; list = list->next) { paint_output (app, cr, g_list_position (connected_outputs, list)); if (mate_rr_config_get_clone (app->current_configuration)) break; } } static void make_text_combo (GtkWidget *widget, int sort_column) { GtkComboBox *box = GTK_COMBO_BOX (widget); GtkListStore *store = gtk_list_store_new ( 6, G_TYPE_STRING, /* Text */ G_TYPE_INT, /* Width */ G_TYPE_INT, /* Height */ G_TYPE_INT, /* Frequency */ G_TYPE_INT, /* Width * Height */ G_TYPE_INT); /* Rotation */ GtkCellRenderer *cell; gtk_cell_layout_clear (GTK_CELL_LAYOUT (widget)); gtk_combo_box_set_model (box, GTK_TREE_MODEL (store)); cell = gtk_cell_renderer_text_new (); gtk_cell_layout_pack_start (GTK_CELL_LAYOUT (box), cell, TRUE); gtk_cell_layout_set_attributes (GTK_CELL_LAYOUT (box), cell, "text", 0, NULL); if (sort_column != -1) { gtk_tree_sortable_set_sort_column_id (GTK_TREE_SORTABLE (store), sort_column, GTK_SORT_DESCENDING); } } static void compute_virtual_size_for_configuration (MateRRConfig *config, int *ret_width, int *ret_height) { int i; int width, height; int output_x, output_y, output_width, output_height; MateRROutputInfo **outputs; width = height = 0; outputs = mate_rr_config_get_outputs (config); for (i = 0; outputs[i] != NULL; i++) { if (mate_rr_output_info_is_active (outputs[i])) { mate_rr_output_info_get_geometry (outputs[i], &output_x, &output_y, &output_width, &output_height); width = MAX (width, output_x + output_width); height = MAX (height, output_y + output_height); } } *ret_width = width; *ret_height = height; } static void check_required_virtual_size (App *app) { int req_width, req_height; int min_width, max_width; int min_height, max_height; compute_virtual_size_for_configuration (app->current_configuration, &req_width, &req_height); mate_rr_screen_get_ranges (app->screen, &min_width, &max_width, &min_height, &max_height); #if 0 g_debug ("X Server supports:"); g_debug ("min_width = %d, max_width = %d", min_width, max_width); g_debug ("min_height = %d, max_height = %d", min_height, max_height); g_debug ("Requesting size of %dx%d", req_width, req_height); #endif if (!(min_width <= req_width && req_width <= max_width && min_height <= req_height && req_height <= max_height)) { /* FIXME: present a useful dialog, maybe even before the user tries to Apply */ #if 0 g_debug ("Your X server needs a larger Virtual size!"); #endif } } static void begin_version2_apply_configuration (App *app, GdkWindow *parent_window, guint32 timestamp) { XID parent_window_xid; GError *error = NULL; parent_window_xid = GDK_WINDOW_XID (parent_window); app->proxy = g_dbus_proxy_new_sync (app->connection, G_DBUS_PROXY_FLAGS_NONE, NULL, "org.mate.SettingsDaemon", "/org/mate/SettingsDaemon/XRANDR", "org.mate.SettingsDaemon.XRANDR_2", NULL, &error); if (app->proxy == NULL) { g_warning ("Failed to get dbus connection: %s", error->message); g_error_free (error); } else { app->apply_configuration_state = APPLYING_VERSION_2; g_dbus_proxy_call (app->proxy, "ApplyConfiguration", g_variant_new ("(xx)", parent_window_xid, timestamp), G_DBUS_CALL_FLAGS_NONE, -1, NULL, (GAsyncReadyCallback) apply_configuration_returned_cb, app); } } static void begin_version1_apply_configuration (App *app) { GError *error = NULL; app->proxy = g_dbus_proxy_new_sync (app->connection, G_DBUS_PROXY_FLAGS_NONE, NULL, "org.mate.SettingsDaemon", "/org/mate/SettingsDaemon/XRANDR", "org.mate.SettingsDaemon.XRANDR", NULL, &error); if (app->proxy == NULL) { g_warning ("Failed to get dbus connection: %s", error->message); g_error_free (error); } else { app->apply_configuration_state = APPLYING_VERSION_1; g_dbus_proxy_call (app->proxy, "ApplyConfiguration", g_variant_new ("()"), G_DBUS_CALL_FLAGS_NONE, -1, NULL, (GAsyncReadyCallback) apply_configuration_returned_cb, app); } } static void ensure_current_configuration_is_saved (void) { MateRRScreen *rr_screen; MateRRConfig *rr_config; /* Normally, mate_rr_config_save() creates a backup file based on the * old monitors.xml. However, if *that* file didn't exist, there is * nothing from which to create a backup. So, here we'll save the * current/unchanged configuration and then let our caller call * mate_rr_config_save() again with the new/changed configuration, so * that there *will* be a backup file in the end. */ rr_screen = mate_rr_screen_new (gdk_screen_get_default (), NULL); /* NULL-GError */ if (!rr_screen) return; rr_config = mate_rr_config_new_current (rr_screen, NULL); mate_rr_config_save (rr_config, NULL); /* NULL-GError */ g_object_unref (rr_config); g_object_unref (rr_screen); } /* Callback for g_dbus_proxy_call() */ static void apply_configuration_returned_cb (GObject *source_object, GAsyncResult *res, gpointer data) { GVariant *variant; GError *error; App *app = data; error = NULL; if (app->proxy == NULL) return; variant = g_dbus_proxy_call_finish (app->proxy, res, &error); if (variant == NULL) { if (app->apply_configuration_state == APPLYING_VERSION_2 && g_error_matches (error, G_DBUS_ERROR, G_DBUS_ERROR_UNKNOWN_METHOD)) { g_error_free (error); g_object_unref (app->proxy); app->proxy = NULL; begin_version1_apply_configuration (app); return; } else { /* We don't pop up an error message; mate-settings-daemon already does that * in case the selected RANDR configuration could not be applied. */ g_error_free (error); } } g_object_unref (app->proxy); app->proxy = NULL; g_object_unref (app->connection); app->connection = NULL; gtk_widget_set_sensitive (app->dialog, TRUE); } static gboolean sanitize_and_save_configuration (App *app) { GError *error; mate_rr_config_sanitize (app->current_configuration); check_required_virtual_size (app); foo_scroll_area_invalidate (FOO_SCROLL_AREA (app->area)); ensure_current_configuration_is_saved (); error = NULL; if (!mate_rr_config_save (app->current_configuration, &error)) { error_message (app, _("Could not save the monitor configuration"), error->message); g_error_free (error); return FALSE; } return TRUE; } static void apply (App *app) { GError *error = NULL; if (!sanitize_and_save_configuration (app)) return; g_assert (app->connection == NULL); g_assert (app->proxy == NULL); app->connection = g_bus_get_sync (G_BUS_TYPE_SESSION, NULL, &error); if (app->connection == NULL) { error_message (app, _("Could not get session bus while applying display configuration"), error->message); g_error_free (error); return; } gtk_widget_set_sensitive (app->dialog, FALSE); begin_version2_apply_configuration (app, gtk_widget_get_window (app->dialog), app->apply_button_clicked_timestamp); } static void on_detect_displays (GtkWidget *widget, gpointer data) { App *app = data; GError *error; error = NULL; if (!mate_rr_screen_refresh (app->screen, &error)) { if (error) { error_message (app, _("Could not detect displays"), error->message); g_error_free (error); } } } static void set_primary (GtkWidget *widget, gpointer data) { App *app = data; int i; MateRROutputInfo **outputs; if (!app->current_output) return; outputs = mate_rr_config_get_outputs (app->current_configuration); for (i=0; outputs[i]!=NULL; i++) { mate_rr_output_info_set_primary (outputs[i], outputs[i] == app->current_output); } gtk_widget_set_sensitive (app->primary_button, !mate_rr_output_info_get_primary(app->current_output)); } #define MSD_XRANDR_SCHEMA "org.mate.SettingsDaemon.plugins.xrandr" #define SHOW_ICON_KEY "show-notification-icon" #define DEFAULT_CONFIGURATION_FILE_KEY "default-configuration-file" static void on_show_icon_toggled (GtkWidget *widget, gpointer data) { GtkToggleButton *tb = GTK_TOGGLE_BUTTON (widget); App *app = data; g_settings_set_boolean (app->settings, SHOW_ICON_KEY, gtk_toggle_button_get_active (tb)); } static MateRROutputInfo * get_nearest_output (MateRRConfig *configuration, int x, int y) { int i; int nearest_index; int nearest_dist; MateRROutputInfo **outputs; nearest_index = -1; nearest_dist = G_MAXINT; outputs = mate_rr_config_get_outputs (configuration); for (i = 0; outputs[i] != NULL; i++) { int dist_x, dist_y; int output_x, output_y, output_width, output_height; if (!(mate_rr_output_info_is_connected(outputs[i]) && mate_rr_output_info_is_active (outputs[i]))) continue; mate_rr_output_info_get_geometry (outputs[i], &output_x, &output_y, &output_width, &output_height); if (x < output_x) dist_x = output_x - x; else if (x >= output_x + output_width) dist_x = x - (output_x + output_width) + 1; else dist_x = 0; if (y < output_y) dist_y = output_y - y; else if (y >= output_y + output_height) dist_y = y - (output_y + output_height) + 1; else dist_y = 0; if (MIN (dist_x, dist_y) < nearest_dist) { nearest_dist = MIN (dist_x, dist_y); nearest_index = i; } } if (nearest_index != -1) return outputs[nearest_index]; else return NULL; } /* Gets the output that contains the largest intersection with the window. * Logic stolen from gdk_screen_get_monitor_at_window(). */ static MateRROutputInfo * get_output_for_window (MateRRConfig *configuration, GdkWindow *window) { GdkRectangle win_rect; int i; int largest_area; int largest_index; MateRROutputInfo **outputs; gdk_window_get_geometry (window, &win_rect.x, &win_rect.y, &win_rect.width, &win_rect.height); gdk_window_get_origin (window, &win_rect.x, &win_rect.y); largest_area = 0; largest_index = -1; outputs = mate_rr_config_get_outputs (configuration); for (i = 0; outputs[i] != NULL; i++) { GdkRectangle output_rect, intersection; mate_rr_output_info_get_geometry (outputs[i], &output_rect.x, &output_rect.y, &output_rect.width, &output_rect.height); if (mate_rr_output_info_is_connected (outputs[i]) && gdk_rectangle_intersect (&win_rect, &output_rect, &intersection)) { int area; area = intersection.width * intersection.height; if (area > largest_area) { largest_area = area; largest_index = i; } } } if (largest_index != -1) return outputs[largest_index]; else return get_nearest_output (configuration, win_rect.x + win_rect.width / 2, win_rect.y + win_rect.height / 2); } /* We select the current output, i.e. select the one being edited, based on * which output is showing the configuration dialog. */ static void select_current_output_from_dialog_position (App *app) { if (gtk_widget_get_realized (app->dialog)) app->current_output = get_output_for_window (app->current_configuration, gtk_widget_get_window (app->dialog)); else app->current_output = NULL; rebuild_gui (app); } /* This is a GtkWidget::map-event handler. We wait for the display-properties * dialog to be mapped, and then we select the output which corresponds to the * monitor on which the dialog is being shown. */ static gboolean dialog_map_event_cb (GtkWidget *widget, GdkEventAny *event, gpointer data) { App *app = data; select_current_output_from_dialog_position (app); return FALSE; } static void hide_help_button (App *app) { GtkWidget *action_area; GList *children; GList *l; action_area = gtk_dialog_get_action_area (GTK_DIALOG (app->dialog)); children = gtk_container_get_children (GTK_CONTAINER (action_area)); for (l = children; l; l = l->next) { GtkWidget *child; int response; child = GTK_WIDGET (l->data); response = gtk_dialog_get_response_for_widget (GTK_DIALOG (app->dialog), child); if (response == GTK_RESPONSE_HELP) { gtk_widget_hide (child); return; } } } static void apply_button_clicked_cb (GtkButton *button, gpointer data) { App *app = data; /* We simply store the timestamp at which the Apply button was clicked. * We'll just wait for the dialog to return from gtk_dialog_run(), and * *then* use the timestamp when applying the RANDR configuration. */ app->apply_button_clicked_timestamp = gtk_get_current_event_time (); } static void success_dialog_for_make_default (App *app) { GtkWidget *dialog; dialog = gtk_message_dialog_new (GTK_WINDOW (app->dialog), GTK_DIALOG_MODAL, GTK_MESSAGE_INFO, GTK_BUTTONS_OK, _("The monitor configuration has been saved")); gtk_message_dialog_format_secondary_text (GTK_MESSAGE_DIALOG (dialog), _("This configuration will be used the next time someone logs in.")); gtk_dialog_run (GTK_DIALOG (dialog)); gtk_widget_destroy (dialog); } static void error_dialog_for_make_default (App *app, const char *error_text) { error_message (app, _("Could not set the default configuration for monitors"), error_text); } static void make_default (App *app) { char *command_line; char *source_filename; char *dest_filename; char *dest_basename; char *std_error; gint exit_status; GError *error; if (!sanitize_and_save_configuration (app)) return; dest_filename = g_settings_get_string (app->settings, DEFAULT_CONFIGURATION_FILE_KEY); if (!dest_filename) return; /* FIXME: present an error? */ dest_basename = g_path_get_basename (dest_filename); source_filename = mate_rr_config_get_intended_filename (); command_line = g_strdup_printf ("pkexec %s/mate-display-properties-install-systemwide %s %s", SBINDIR, source_filename, dest_basename); error = NULL; if (!g_spawn_command_line_sync (command_line, NULL, &std_error, &exit_status, &error)) { error_dialog_for_make_default (app, error->message); g_error_free (error); } else if (!WIFEXITED (exit_status) || WEXITSTATUS (exit_status) != 0) { error_dialog_for_make_default (app, std_error); } else { success_dialog_for_make_default (app); } g_free (std_error); g_free (dest_filename); g_free (dest_basename); g_free (source_filename); g_free (command_line); } static GtkWidget* _gtk_builder_get_widget (GtkBuilder *builder, const gchar *name) { return GTK_WIDGET (gtk_builder_get_object (builder, name)); } static void run_application (App *app) { GtkBuilder *builder; GtkWidget *align; GError *error = NULL; builder = gtk_builder_new (); if (gtk_builder_add_from_resource (builder, "/org/mate/mcc/display/display-capplet.ui", &error) == 0) { g_warning ("Could not parse UI definition: %s", error->message); g_error_free (error); g_object_unref (builder); return; } app->screen = mate_rr_screen_new (gdk_screen_get_default (), &error); g_signal_connect (app->screen, "changed", G_CALLBACK (on_screen_changed), app); if (!app->screen) { error_message (NULL, _("Could not get screen information"), error->message); g_error_free (error); g_object_unref (builder); return; } app->settings = g_settings_new (MSD_XRANDR_SCHEMA); app->dialog = _gtk_builder_get_widget (builder, "dialog"); g_signal_connect_after (app->dialog, "map-event", G_CALLBACK (dialog_map_event_cb), app); gtk_window_set_default_icon_name ("preferences-desktop-display"); gtk_window_set_icon_name (GTK_WINDOW (app->dialog), "preferences-desktop-display"); app->current_monitor_event_box = _gtk_builder_get_widget (builder, "current_monitor_event_box"); app->current_monitor_label = _gtk_builder_get_widget (builder, "current_monitor_label"); app->monitor_on_radio = _gtk_builder_get_widget (builder, "monitor_on_radio"); app->monitor_off_radio = _gtk_builder_get_widget (builder, "monitor_off_radio"); g_signal_connect (app->monitor_on_radio, "toggled", G_CALLBACK (monitor_on_off_toggled_cb), app); g_signal_connect (app->monitor_off_radio, "toggled", G_CALLBACK (monitor_on_off_toggled_cb), app); app->resolution_combo = _gtk_builder_get_widget (builder, "resolution_combo"); g_signal_connect (app->resolution_combo, "changed", G_CALLBACK (on_resolution_changed), app); app->refresh_combo = _gtk_builder_get_widget (builder, "refresh_combo"); g_signal_connect (app->refresh_combo, "changed", G_CALLBACK (on_rate_changed), app); app->rotation_combo = _gtk_builder_get_widget (builder, "rotation_combo"); g_signal_connect (app->rotation_combo, "changed", G_CALLBACK (on_rotation_changed), app); app->clone_checkbox = _gtk_builder_get_widget (builder, "clone_checkbox"); g_signal_connect (app->clone_checkbox, "toggled", G_CALLBACK (on_clone_changed), app); g_signal_connect (_gtk_builder_get_widget (builder, "detect_displays_button"), "clicked", G_CALLBACK (on_detect_displays), app); app->primary_button = _gtk_builder_get_widget (builder, "primary_button"); g_signal_connect (app->primary_button, "clicked", G_CALLBACK (set_primary), app); app->show_icon_checkbox = _gtk_builder_get_widget (builder, "show_notification_icon"); gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (app->show_icon_checkbox), g_settings_get_boolean (app->settings, SHOW_ICON_KEY)); g_signal_connect (app->show_icon_checkbox, "toggled", G_CALLBACK (on_show_icon_toggled), app); app->panel_checkbox = _gtk_builder_get_widget (builder, "panel_checkbox"); make_text_combo (app->resolution_combo, 4); make_text_combo (app->refresh_combo, 3); make_text_combo (app->rotation_combo, -1); g_assert (app->panel_checkbox); /* Scroll Area */ app->area = (GtkWidget *)foo_scroll_area_new (); g_object_set_data (G_OBJECT (app->area), "app", app); set_monitors_tooltip (app, FALSE); /* FIXME: this should be computed dynamically */ foo_scroll_area_set_min_size (FOO_SCROLL_AREA (app->area), -1, 200); gtk_widget_show (app->area); g_signal_connect (app->area, "paint", G_CALLBACK (on_area_paint), app); g_signal_connect (app->area, "viewport_changed", G_CALLBACK (on_viewport_changed), app); align = _gtk_builder_get_widget (builder, "align"); gtk_container_add (GTK_CONTAINER (align), app->area); /* Until we have help to show, we'll just hide the Help button */ hide_help_button (app); app->apply_button = _gtk_builder_get_widget (builder, "apply_button"); g_signal_connect (app->apply_button, "clicked", G_CALLBACK (apply_button_clicked_cb), app); on_screen_changed (app->screen, app); g_object_unref (builder); restart: switch (gtk_dialog_run (GTK_DIALOG (app->dialog))) { default: /* Fall Through */ case GTK_RESPONSE_DELETE_EVENT: case GTK_RESPONSE_CLOSE: #if 0 g_debug ("Close"); #endif break; case GTK_RESPONSE_HELP: #if 0 g_debug ("Help"); #endif goto restart; break; case GTK_RESPONSE_APPLY: apply (app); goto restart; break; case RESPONSE_MAKE_DEFAULT: make_default (app); goto restart; break; } gtk_widget_destroy (app->dialog); g_object_unref (app->screen); g_object_unref (app->settings); } int main (int argc, char **argv) { App *app; bindtextdomain (GETTEXT_PACKAGE, MATELOCALEDIR); bind_textdomain_codeset (GETTEXT_PACKAGE, "UTF-8"); textdomain (GETTEXT_PACKAGE); gtk_init (&argc, &argv); app = g_new0 (App, 1); run_application (app); g_free (app); return 0; }