diff options
Diffstat (limited to 'src/datetime-prefs-locations.c')
| -rw-r--r-- | src/datetime-prefs-locations.c | 500 |
1 files changed, 500 insertions, 0 deletions
diff --git a/src/datetime-prefs-locations.c b/src/datetime-prefs-locations.c new file mode 100644 index 0000000..af0e10d --- /dev/null +++ b/src/datetime-prefs-locations.c @@ -0,0 +1,500 @@ +/* -*- Mode: C; coding: utf-8; indent-tabs-mode: nil; tab-width: 2 -*- + +A dialog for setting time and date preferences. + +Copyright 2011 Canonical Ltd. + +Authors: + Michael Terry <michael.terry@canonical.com> + +This program is free software: you can redistribute it and/or modify it +under the terms of the GNU General Public License version 3, as published +by the Free Software Foundation. + +This program is distributed in the hope that it will be useful, but +WITHOUT ANY WARRANTY; without even the implied warranties of +MERCHANTABILITY, SATISFACTORY QUALITY, 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, see <http://www.gnu.org/licenses/>. +*/ + +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + +#include <stdlib.h> +#include <glib/gi18n-lib.h> +#include <gtk/gtk.h> + +#include "datetime-prefs-locations.h" +#include "settings-shared.h" +#include "utils.h" +#include "timezone-completion.h" + +#define DATETIME_DIALOG_UI_FILE PKGDATADIR "/datetime-dialog.ui" + +#define COL_NAME 0 +#define COL_TIME 1 +#define COL_ZONE 2 +#define COL_VISIBLE_NAME 3 +#define COL_ICON 4 + +static gboolean update_times (GtkWidget * dlg); +static void save_when_idle (GtkWidget * dlg); + +static void +handle_add (GtkWidget * button, GtkTreeView * tree) +{ + GtkListStore * store = GTK_LIST_STORE (gtk_tree_view_get_model (tree)); + + GtkTreeIter iter; + gtk_list_store_append (store, &iter); + + GtkTreePath * path = gtk_tree_model_get_path (GTK_TREE_MODEL (store), &iter); + gtk_tree_view_set_cursor (tree, path, gtk_tree_view_get_column (tree, 0), TRUE); + gtk_tree_path_free (path); +} + +static void +handle_remove (GtkWidget * button, GtkTreeView * tree) +{ + GtkListStore * store = GTK_LIST_STORE (gtk_tree_view_get_model (tree)); + GtkTreeSelection * selection = gtk_tree_view_get_selection (tree); + + GList * paths = gtk_tree_selection_get_selected_rows (selection, NULL); + + /* Convert all paths to iters so we can safely delete multiple paths. For a + GtkListStore, iters persist past model changes. */ + GList * tree_iters = NULL; + GList * iter; + for (iter = paths; iter; iter = iter->next) { + GtkTreeIter * tree_iter = g_new(GtkTreeIter, 1); + if (gtk_tree_model_get_iter (GTK_TREE_MODEL (store), tree_iter, (GtkTreePath *)iter->data)) { + tree_iters = g_list_prepend (tree_iters, tree_iter); + } + gtk_tree_path_free (iter->data); + } + g_list_free (paths); + + // Find the next item to select + GtkTreeIter *last_selected = g_list_nth_data(tree_iters, 0); + GtkTreePath *path = gtk_tree_model_get_path(GTK_TREE_MODEL (store), last_selected); + GtkTreeIter titer; + if (!gtk_tree_model_get_iter(GTK_TREE_MODEL (store), &titer, path)) { + g_debug("Failed to get last selected iter from path"); + last_selected = NULL; + } else { + if (!gtk_tree_model_iter_next(GTK_TREE_MODEL (store), &titer)) { + if (gtk_tree_path_prev(path)) { + if (!gtk_tree_model_get_iter(GTK_TREE_MODEL (store), &titer, path)) { + g_debug("Failed to get iter from path"); + last_selected = NULL; + } else { + last_selected = &titer; + } + } else { + g_debug("handle_remove: Failed to find another location to select (assume single selected)"); + last_selected = NULL; + } + } else { + g_debug("Got next item in model"); + last_selected = &titer; + } + } + + if (last_selected) { + gboolean clear = TRUE; + path = gtk_tree_model_get_path(GTK_TREE_MODEL (store), last_selected); + + // Step over the path to find an item which isn't in the delete list + if (g_list_length(tree_iters) > 1) { + for (iter = tree_iters; iter; iter = iter->next) { + GtkTreePath *ipath = gtk_tree_model_get_path(GTK_TREE_MODEL (store), (GtkTreeIter *)iter->data); + if (gtk_tree_path_compare(path, ipath) == 0) { + clear = FALSE; + break; + } + } + while (clear == FALSE) { + if (gtk_tree_path_prev(path)) { + clear = TRUE; + for (iter = tree_iters; iter; iter = iter->next) { + GtkTreePath *ipath = gtk_tree_model_get_path(GTK_TREE_MODEL (store), (GtkTreeIter *)iter->data); + if (gtk_tree_path_compare(path, ipath) == 0) { + clear = FALSE; + break; + } + } + if (clear) { + if (!gtk_tree_model_get_iter(GTK_TREE_MODEL (store), &titer, path)) { + g_debug("Failed to get iter from path"); + last_selected = NULL; + } else { + last_selected = &titer; + } + } + } else { + last_selected = NULL; + break; + } + } + } + } + + /* Now delete each iterator */ + for (iter = tree_iters; iter; iter = iter->next) { + gtk_list_store_remove (store, (GtkTreeIter *)iter->data); + g_free (iter->data); + } + g_list_free (tree_iters); + + if (last_selected) + gtk_tree_selection_select_iter(selection, last_selected); +} + +static void +handle_edit (GtkCellRendererText * renderer, gchar * path, gchar * new_text, + GtkListStore * store) +{ + GtkTreeIter iter; + + // Manual user edits are always wrong (unless they are undoing a previous + // edit), so we set the error icon here if needed. Common way to get to + // this code path is to lose entry focus. + if (gtk_tree_model_get_iter_from_string (GTK_TREE_MODEL (store), &iter, path)) { + const gchar * name; + gtk_tree_model_get (GTK_TREE_MODEL (store), &iter, COL_NAME, &name, -1); + gboolean correct = g_strcmp0 (name, new_text) == 0; + + gtk_list_store_set (store, &iter, + COL_VISIBLE_NAME, new_text, + COL_ICON, correct ? NULL : GTK_STOCK_DIALOG_ERROR, + -1); + } +} + +static gboolean +timezone_selected (GtkEntryCompletion * widget, GtkTreeModel * model, + GtkTreeIter * iter, GtkWidget * dlg) +{ + const gchar * zone, * name; + + gtk_tree_model_get (model, iter, + TIMEZONE_COMPLETION_ZONE, &zone, + TIMEZONE_COMPLETION_NAME, &name, + -1); + + if (zone == NULL || zone[0] == 0) { + const gchar * strlon, * strlat; + gdouble lon = 0.0, lat = 0.0; + + gtk_tree_model_get (model, iter, + TIMEZONE_COMPLETION_LONGITUDE, &strlon, + TIMEZONE_COMPLETION_LATITUDE, &strlat, + -1); + + if (strlon != NULL && strlon[0] != 0) { + lon = strtod(strlon, NULL); + } + + if (strlat != NULL && strlat[0] != 0) { + lat = strtod(strlat, NULL); + } + + CcTimezoneMap * tzmap = CC_TIMEZONE_MAP (g_object_get_data (G_OBJECT (widget), "tzmap")); + zone = cc_timezone_map_get_timezone_at_coords (tzmap, lon, lat); + } + + GtkListStore * store = GTK_LIST_STORE (g_object_get_data (G_OBJECT (widget), "store")); + GtkTreeIter * store_iter = (GtkTreeIter *)g_object_get_data (G_OBJECT (widget), "store_iter"); + if (store != NULL && store_iter != NULL) { + gtk_list_store_set (store, store_iter, + COL_VISIBLE_NAME, name, + COL_ICON, NULL, + COL_NAME, name, + COL_ZONE, zone, -1); + } + + update_times (dlg); + + return FALSE; // Do normal action too +} + +static gboolean +query_tooltip (GtkTreeView * tree, gint x, gint y, gboolean keyboard_mode, + GtkTooltip * tooltip, GtkCellRenderer * cell) +{ + GtkTreeModel * model; + GtkTreeIter iter; + if (!gtk_tree_view_get_tooltip_context (tree, &x, &y, keyboard_mode, + &model, NULL, &iter)) + return FALSE; + + const gchar * icon; + gtk_tree_model_get (model, &iter, COL_ICON, &icon, -1); + if (icon == NULL) + return FALSE; + + GtkTreeViewColumn * col = gtk_tree_view_get_column (tree, 0); + gtk_tree_view_set_tooltip_cell (tree, tooltip, NULL, col, cell); + gtk_tooltip_set_text (tooltip, _("You need to complete this location for it to appear in the menu.")); + return TRUE; +} + +static void +handle_edit_started (GtkCellRendererText * renderer, GtkCellEditable * editable, + gchar * path, TimezoneCompletion * completion) +{ + if (GTK_IS_ENTRY (editable)) { + GtkEntry *entry = GTK_ENTRY (editable); + timezone_completion_watch_entry (completion, entry); + + GtkListStore * store = GTK_LIST_STORE (g_object_get_data (G_OBJECT (completion), "store")); + GtkTreeIter * store_iter = g_new(GtkTreeIter, 1); + if (gtk_tree_model_get_iter_from_string (GTK_TREE_MODEL (store), store_iter, path)) { + g_object_set_data_full (G_OBJECT (completion), "store_iter", store_iter, g_free); + } + } +} + +static gboolean +update_times (GtkWidget * dlg) +{ + /* For each entry, check zone in column 2 and set column 1 to it's time */ + TimezoneCompletion * completion = TIMEZONE_COMPLETION (g_object_get_data (G_OBJECT (dlg), "completion")); + GtkListStore * store = GTK_LIST_STORE (g_object_get_data (G_OBJECT (completion), "store")); + GObject * cell = G_OBJECT (g_object_get_data (G_OBJECT (completion), "name-cell")); + + gboolean editing; + g_object_get (cell, "editing", &editing, NULL); + if (editing) { /* No updates while editing, it cancels the edit */ + return TRUE; + } + + g_signal_handlers_block_by_func (store, save_when_idle, dlg); + + GDateTime * now = g_date_time_new_now_local (); + + GtkTreeIter iter; + if (gtk_tree_model_get_iter_first (GTK_TREE_MODEL (store), &iter)) { + do { + const gchar * strzone; + + gtk_tree_model_get (GTK_TREE_MODEL (store), &iter, COL_ZONE, &strzone, -1); + + if (strzone != NULL && strzone[0] != 0) { + GTimeZone * tz = g_time_zone_new (strzone); + GDateTime * now_tz = g_date_time_to_timezone (now, tz); + gchar * format = generate_format_string_at_time (now_tz); + gchar * time_str = g_date_time_format (now_tz, format); + + gtk_list_store_set (store, &iter, COL_TIME, time_str, -1); + + g_free (time_str); + g_free (format); + g_date_time_unref (now_tz); + g_time_zone_unref (tz); + } + } while (gtk_tree_model_iter_next (GTK_TREE_MODEL (store), &iter)); + } + + g_date_time_unref (now); + + g_signal_handlers_unblock_by_func (store, save_when_idle, dlg); + + return TRUE; +} + +static void +fill_from_settings (GObject * store, GSettings * conf) +{ + gchar ** locations = g_settings_get_strv (conf, SETTINGS_LOCATIONS_S); + + gtk_list_store_clear (GTK_LIST_STORE (store)); + + gchar ** striter; + GtkTreeIter iter; + for (striter = locations; *striter; ++striter) { + gchar * zone, * name; + split_settings_location (*striter, &zone, &name); + + gtk_list_store_append (GTK_LIST_STORE (store), &iter); + gtk_list_store_set (GTK_LIST_STORE (store), &iter, + COL_VISIBLE_NAME, name, + COL_ICON, NULL, + COL_NAME, name, + COL_ZONE, zone, -1); + + g_free (zone); + g_free (name); + } + + g_strfreev (locations); +} + +static void +save_to_settings (GObject * store, GSettings * conf) +{ + gboolean empty = TRUE; + GVariantBuilder builder; + g_variant_builder_init (&builder, G_VARIANT_TYPE_ARRAY); + + GtkTreeIter iter; + if (gtk_tree_model_get_iter_first (GTK_TREE_MODEL (store), &iter)) { + do { + const gchar * strzone, * strname; + + gtk_tree_model_get (GTK_TREE_MODEL (store), &iter, + COL_NAME, &strname, + COL_ZONE, &strzone, + -1); + + if (strzone != NULL && strzone[0] != 0 && strname != NULL && strname[0] != 0) { + gchar * settings_string = g_strdup_printf("%s %s", strzone, strname); + g_variant_builder_add (&builder, "s", settings_string); + g_free (settings_string); + empty = FALSE; + } + } while (gtk_tree_model_iter_next (GTK_TREE_MODEL (store), &iter)); + } + + if (empty) { + /* Empty list */ + g_variant_builder_clear (&builder); + g_settings_set_strv (conf, SETTINGS_LOCATIONS_S, NULL); + } + else { + GVariant * locations = g_variant_builder_end (&builder); + g_settings_set_strv (conf, SETTINGS_LOCATIONS_S, g_variant_get_strv (locations, NULL)); + g_variant_unref (locations); + } +} + +static gboolean +save_now (GtkWidget *dlg) +{ + GSettings * conf = G_SETTINGS (g_object_get_data (G_OBJECT (dlg), "conf")); + GObject * completion = G_OBJECT (g_object_get_data (G_OBJECT (dlg), "completion")); + GObject * store = G_OBJECT (g_object_get_data (completion, "store")); + + save_to_settings (store, conf); + + g_object_set_data (G_OBJECT (dlg), "save-id", GINT_TO_POINTER(0)); + + return FALSE; +} + +static void +save_when_idle (GtkWidget *dlg) +{ + guint save_id = GPOINTER_TO_INT (g_object_get_data (G_OBJECT (dlg), "save-id")); + + if (save_id == 0) { + save_id = g_idle_add ((GSourceFunc)save_now, dlg); + g_object_set_data (G_OBJECT (dlg), "save-id", GINT_TO_POINTER(save_id)); + } +} + +static void +dialog_closed (GtkWidget * dlg, GObject * store) +{ + /* Cleanup a tad */ + guint time_id = GPOINTER_TO_INT (g_object_get_data (G_OBJECT (dlg), "time-id")); + g_source_remove (time_id); + + guint save_id = GPOINTER_TO_INT (g_object_get_data (G_OBJECT (dlg), "save-id")); + if (save_id > 0) + g_source_remove (save_id); +} + +static void +selection_changed (GtkTreeSelection * selection, GtkWidget * remove_button) +{ + gint count = gtk_tree_selection_count_selected_rows (selection); + gtk_widget_set_sensitive (remove_button, count > 0); +} + +GtkWidget * +datetime_setup_locations_dialog (CcTimezoneMap * map) +{ + GError * error = NULL; + GtkBuilder * builder = gtk_builder_new (); + gtk_builder_add_from_file (builder, DATETIME_DIALOG_UI_FILE, &error); + if (error != NULL) { + /* We have to abort, we can't continue without the ui file */ + g_error ("Could not load ui file %s: %s", DATETIME_DIALOG_UI_FILE, error->message); + g_error_free (error); + return NULL; + } + + gtk_builder_set_translation_domain (builder, GETTEXT_PACKAGE); + + GSettings * conf = g_settings_new (SETTINGS_INTERFACE); + +#define WIG(name) GTK_WIDGET (gtk_builder_get_object (builder, name)) + + GtkWidget * dlg = WIG ("locationsDialog"); + GtkWidget * tree = WIG ("locationsView"); + GObject * store = gtk_builder_get_object (builder, "locationsStore"); + + /* Configure tree */ + TimezoneCompletion * completion = timezone_completion_new (); + g_object_set_data (G_OBJECT (completion), "tzmap", map); + g_object_set_data (G_OBJECT (completion), "store", store); + g_signal_connect (completion, "match-selected", G_CALLBACK (timezone_selected), dlg); + + GtkCellRenderer * cell = gtk_cell_renderer_text_new (); + g_object_set (cell, "editable", TRUE, NULL); + g_signal_connect (cell, "editing-started", G_CALLBACK (handle_edit_started), completion); + g_signal_connect (cell, "edited", G_CALLBACK (handle_edit), store); + gtk_tree_view_insert_column_with_attributes (GTK_TREE_VIEW (tree), -1, + _("Location"), cell, + "text", COL_VISIBLE_NAME, NULL); + GtkTreeViewColumn * loc_col = gtk_tree_view_get_column (GTK_TREE_VIEW (tree), 0); + gtk_tree_view_column_set_expand (loc_col, TRUE); + g_object_set_data (G_OBJECT (completion), "name-cell", cell); + + cell = gtk_cell_renderer_pixbuf_new (); + gtk_tree_view_column_pack_start (loc_col, cell, FALSE); + gtk_tree_view_column_add_attribute (loc_col, cell, "icon-name", COL_ICON); + + gtk_widget_set_has_tooltip (tree, TRUE); + g_signal_connect (tree, "query-tooltip", G_CALLBACK (query_tooltip), cell); + + cell = gtk_cell_renderer_text_new (); + gtk_tree_view_insert_column_with_attributes (GTK_TREE_VIEW (tree), -1, + _("Time"), cell, + "text", COL_TIME, NULL); + + GtkTreeSelection * selection = gtk_tree_view_get_selection (GTK_TREE_VIEW (tree)); + gtk_tree_selection_set_mode (selection, GTK_SELECTION_MULTIPLE); + g_signal_connect (selection, "changed", G_CALLBACK (selection_changed), WIG ("removeButton")); + selection_changed (selection, WIG ("removeButton")); + + g_signal_connect (WIG ("addButton"), "clicked", G_CALLBACK (handle_add), tree); + g_signal_connect (WIG ("removeButton"), "clicked", G_CALLBACK (handle_remove), tree); + + fill_from_settings (store, conf); + g_signal_connect_swapped (store, "row-deleted", G_CALLBACK (save_when_idle), dlg); + g_signal_connect_swapped (store, "row-inserted", G_CALLBACK (save_when_idle), dlg); + g_signal_connect_swapped (store, "row-changed", G_CALLBACK (save_when_idle), dlg); + g_signal_connect_swapped (store, "rows-reordered", G_CALLBACK (save_when_idle), dlg); + + g_object_set_data_full (G_OBJECT (dlg), "conf", g_object_ref (conf), g_object_unref); + g_object_set_data_full (G_OBJECT (dlg), "completion", completion, g_object_unref); + g_signal_connect (dlg, "destroy", G_CALLBACK (dialog_closed), store); + + guint time_id = g_timeout_add_seconds (2, (GSourceFunc)update_times, dlg); + g_object_set_data (G_OBJECT (dlg), "time-id", GINT_TO_POINTER(time_id)); + update_times (dlg); + +#undef WIG + + g_object_unref (conf); + g_object_unref (builder); + + return dlg; +} + |