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Diffstat (limited to 'e-util/e-cell-date-edit.c')
| -rw-r--r-- | e-util/e-cell-date-edit.c | 1039 |
1 files changed, 1039 insertions, 0 deletions
diff --git a/e-util/e-cell-date-edit.c b/e-util/e-cell-date-edit.c new file mode 100644 index 0000000000..4f35fbb266 --- /dev/null +++ b/e-util/e-cell-date-edit.c @@ -0,0 +1,1039 @@ +/* + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) version 3. + * + * 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 + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with the program; if not, see <http://www.gnu.org/licenses/> + * + * + * Authors: + * Damon Chaplin <damon@ximian.com> + * + * Copyright (C) 1999-2008 Novell, Inc. (www.novell.com) + * + */ + +/* + * ECellDateEdit - a subclass of ECellPopup used to show a date with a popup + * window to edit it. + */ + +#ifdef HAVE_CONFIG_H +#include <config.h> +#endif + +#include "e-cell-date-edit.h" + +#include <string.h> +#include <time.h> + +#include <gtk/gtk.h> +#include <glib/gi18n.h> +#include <gdk/gdkkeysyms.h> + +#include <libedataserver/libedataserver.h> + +#include "e-calendar.h" +#include "e-cell-text.h" +#include "e-table-item.h" + +static void e_cell_date_edit_get_property (GObject *object, + guint property_id, + GValue *value, + GParamSpec *pspec); +static void e_cell_date_edit_set_property (GObject *object, + guint property_id, + const GValue *value, + GParamSpec *pspec); +static void e_cell_date_edit_dispose (GObject *object); + +static gint e_cell_date_edit_do_popup (ECellPopup *ecp, + GdkEvent *event, + gint row, + gint view_col); +static void e_cell_date_edit_set_popup_values (ECellDateEdit *ecde); +static void e_cell_date_edit_select_matching_time (ECellDateEdit *ecde, + gchar *time); +static void e_cell_date_edit_show_popup (ECellDateEdit *ecde, + gint row, + gint view_col); +static void e_cell_date_edit_get_popup_pos (ECellDateEdit *ecde, + gint row, + gint view_col, + gint *x, + gint *y, + gint *height, + gint *width); + +static void e_cell_date_edit_rebuild_time_list (ECellDateEdit *ecde); + +static gint e_cell_date_edit_key_press (GtkWidget *popup_window, + GdkEventKey *event, + ECellDateEdit *ecde); +static gint e_cell_date_edit_button_press (GtkWidget *popup_window, + GdkEvent *button_event, + ECellDateEdit *ecde); +static void e_cell_date_edit_on_ok_clicked (GtkWidget *button, + ECellDateEdit *ecde); +static void e_cell_date_edit_show_time_invalid_warning (ECellDateEdit *ecde); +static void e_cell_date_edit_on_now_clicked (GtkWidget *button, + ECellDateEdit *ecde); +static void e_cell_date_edit_on_none_clicked (GtkWidget *button, + ECellDateEdit *ecde); +static void e_cell_date_edit_on_today_clicked (GtkWidget *button, + ECellDateEdit *ecde); +static void e_cell_date_edit_update_cell (ECellDateEdit *ecde, + const gchar *text); +static void e_cell_date_edit_on_time_selected (GtkTreeSelection *selection, + ECellDateEdit *ecde); +static void e_cell_date_edit_hide_popup (ECellDateEdit *ecde); + +/* Our arguments. */ +enum { + PROP_0, + PROP_SHOW_TIME, + PROP_SHOW_NOW_BUTTON, + PROP_SHOW_TODAY_BUTTON, + PROP_ALLOW_NO_DATE_SET, + PROP_USE_24_HOUR_FORMAT, + PROP_LOWER_HOUR, + PROP_UPPER_HOUR +}; + +G_DEFINE_TYPE (ECellDateEdit, e_cell_date_edit, E_TYPE_CELL_POPUP) + +static void +e_cell_date_edit_class_init (ECellDateEditClass *class) +{ + GObjectClass *object_class; + ECellPopupClass *ecpc; + + object_class = G_OBJECT_CLASS (class); + object_class->get_property = e_cell_date_edit_get_property; + object_class->set_property = e_cell_date_edit_set_property; + object_class->dispose = e_cell_date_edit_dispose; + + ecpc = E_CELL_POPUP_CLASS (class); + ecpc->popup = e_cell_date_edit_do_popup; + + g_object_class_install_property ( + object_class, + PROP_SHOW_TIME, + g_param_spec_boolean ( + "show_time", + NULL, + NULL, + TRUE, + G_PARAM_READWRITE)); + + g_object_class_install_property ( + object_class, + PROP_SHOW_NOW_BUTTON, + g_param_spec_boolean ( + "show_now_button", + NULL, + NULL, + TRUE, + G_PARAM_READWRITE)); + + g_object_class_install_property ( + object_class, + PROP_SHOW_TODAY_BUTTON, + g_param_spec_boolean ( + "show_today_button", + NULL, + NULL, + TRUE, + G_PARAM_READWRITE)); + + g_object_class_install_property ( + object_class, + PROP_ALLOW_NO_DATE_SET, + g_param_spec_boolean ( + "allow_no_date_set", + NULL, + NULL, + TRUE, + G_PARAM_READWRITE)); + + g_object_class_install_property ( + object_class, + PROP_USE_24_HOUR_FORMAT, + g_param_spec_boolean ( + "use_24_hour_format", + NULL, + NULL, + TRUE, + G_PARAM_READWRITE)); + + g_object_class_install_property ( + object_class, + PROP_LOWER_HOUR, + g_param_spec_int ( + "lower_hour", + NULL, + NULL, + G_MININT, + G_MAXINT, + 0, + G_PARAM_READWRITE)); + + g_object_class_install_property ( + object_class, + PROP_UPPER_HOUR, + g_param_spec_int ( + "upper_hour", + NULL, + NULL, + G_MININT, + G_MAXINT, + 24, + G_PARAM_READWRITE)); +} + +static void +e_cell_date_edit_init (ECellDateEdit *ecde) +{ + GtkWidget *frame, *vbox, *hbox, *vbox2; + GtkWidget *scrolled_window, *bbox, *tree_view; + GtkWidget *now_button, *today_button, *none_button, *ok_button; + GtkListStore *store; + + ecde->lower_hour = 0; + ecde->upper_hour = 24; + ecde->use_24_hour_format = TRUE; + ecde->need_time_list_rebuild = TRUE; + ecde->freeze_count = 0; + ecde->time_callback = NULL; + ecde->time_callback_data = NULL; + ecde->time_callback_destroy = NULL; + + /* We create one popup window for the ECell, since there will only + * ever be one popup in use at a time. */ + ecde->popup_window = gtk_window_new (GTK_WINDOW_POPUP); + + gtk_window_set_type_hint ( + GTK_WINDOW (ecde->popup_window), + GDK_WINDOW_TYPE_HINT_COMBO); + gtk_window_set_resizable (GTK_WINDOW (ecde->popup_window), TRUE); + + frame = gtk_frame_new (NULL); + gtk_container_add (GTK_CONTAINER (ecde->popup_window), frame); + gtk_frame_set_shadow_type (GTK_FRAME (frame), GTK_SHADOW_OUT); + gtk_widget_show (frame); + + vbox = gtk_vbox_new (FALSE, 0); + gtk_container_add (GTK_CONTAINER (frame), vbox); + gtk_widget_show (vbox); + + hbox = gtk_hbox_new (FALSE, 4); + gtk_box_pack_start (GTK_BOX (vbox), hbox, FALSE, FALSE, 0); + gtk_widget_show (hbox); + + ecde->calendar = e_calendar_new (); + gnome_canvas_item_set ( + GNOME_CANVAS_ITEM (E_CALENDAR (ecde->calendar)->calitem), + "move_selection_when_moving", FALSE, + NULL); + gtk_box_pack_start (GTK_BOX (hbox), ecde->calendar, TRUE, TRUE, 0); + gtk_widget_show (ecde->calendar); + + vbox2 = gtk_vbox_new (FALSE, 2); + gtk_box_pack_start (GTK_BOX (hbox), vbox2, TRUE, TRUE, 0); + gtk_widget_show (vbox2); + + ecde->time_entry = gtk_entry_new (); + gtk_widget_set_size_request (ecde->time_entry, 50, -1); + gtk_box_pack_start ( + GTK_BOX (vbox2), ecde->time_entry, + FALSE, FALSE, 0); + gtk_widget_show (ecde->time_entry); + + scrolled_window = gtk_scrolled_window_new (NULL, NULL); + gtk_box_pack_start (GTK_BOX (vbox2), scrolled_window, TRUE, TRUE, 0); + gtk_scrolled_window_set_policy ( + GTK_SCROLLED_WINDOW (scrolled_window), + GTK_POLICY_NEVER, GTK_POLICY_ALWAYS); + gtk_widget_show (scrolled_window); + + store = gtk_list_store_new (1, G_TYPE_STRING); + tree_view = gtk_tree_view_new_with_model (GTK_TREE_MODEL (store)); + g_object_unref (store); + + gtk_tree_view_append_column ( + GTK_TREE_VIEW (tree_view), + gtk_tree_view_column_new_with_attributes ( + "Text", gtk_cell_renderer_text_new (), "text", 0, NULL)); + + gtk_tree_view_set_headers_visible (GTK_TREE_VIEW (tree_view), FALSE); + + gtk_scrolled_window_add_with_viewport ( + GTK_SCROLLED_WINDOW (scrolled_window), tree_view); + gtk_container_set_focus_vadjustment ( + GTK_CONTAINER (tree_view), + gtk_scrolled_window_get_vadjustment ( + GTK_SCROLLED_WINDOW (scrolled_window))); + gtk_container_set_focus_hadjustment ( + GTK_CONTAINER (tree_view), + gtk_scrolled_window_get_hadjustment ( + GTK_SCROLLED_WINDOW (scrolled_window))); + gtk_widget_show (tree_view); + ecde->time_tree_view = tree_view; + g_signal_connect ( + gtk_tree_view_get_selection (GTK_TREE_VIEW (tree_view)), "changed", + G_CALLBACK (e_cell_date_edit_on_time_selected), ecde); + + bbox = gtk_hbutton_box_new (); + gtk_container_set_border_width (GTK_CONTAINER (bbox), 4); + gtk_box_set_spacing (GTK_BOX (bbox), 2); + gtk_box_pack_start (GTK_BOX (vbox), bbox, FALSE, FALSE, 0); + gtk_widget_show (bbox); + + now_button = gtk_button_new_with_label (_("Now")); + gtk_container_add (GTK_CONTAINER (bbox), now_button); + gtk_widget_show (now_button); + g_signal_connect ( + now_button, "clicked", + G_CALLBACK (e_cell_date_edit_on_now_clicked), ecde); + ecde->now_button = now_button; + + today_button = gtk_button_new_with_label (_("Today")); + gtk_container_add (GTK_CONTAINER (bbox), today_button); + gtk_widget_show (today_button); + g_signal_connect ( + today_button, "clicked", + G_CALLBACK (e_cell_date_edit_on_today_clicked), ecde); + ecde->today_button = today_button; + + /* Translators: "None" as a label of a button to unset date in a + * date table cell. */ + none_button = gtk_button_new_with_label (C_("table-date", "None")); + gtk_container_add (GTK_CONTAINER (bbox), none_button); + gtk_widget_show (none_button); + g_signal_connect ( + none_button, "clicked", + G_CALLBACK (e_cell_date_edit_on_none_clicked), ecde); + ecde->none_button = none_button; + + ok_button = gtk_button_new_with_label (_("OK")); + gtk_container_add (GTK_CONTAINER (bbox), ok_button); + gtk_widget_show (ok_button); + g_signal_connect ( + ok_button, "clicked", + G_CALLBACK (e_cell_date_edit_on_ok_clicked), ecde); + + g_signal_connect ( + ecde->popup_window, "key_press_event", + G_CALLBACK (e_cell_date_edit_key_press), ecde); + g_signal_connect ( + ecde->popup_window, "button_press_event", + G_CALLBACK (e_cell_date_edit_button_press), ecde); +} + +/** + * e_cell_date_edit_new: + * + * Creates a new ECellDateEdit renderer. + * + * Returns: an ECellDateEdit object. + */ +ECell * +e_cell_date_edit_new (void) +{ + return g_object_new (e_cell_date_edit_get_type (), NULL); +} + +static void +e_cell_date_edit_get_property (GObject *object, + guint property_id, + GValue *value, + GParamSpec *pspec) +{ + ECellDateEdit *ecde; + + ecde = E_CELL_DATE_EDIT (object); + + switch (property_id) { + case PROP_SHOW_TIME: + g_value_set_boolean (value, gtk_widget_get_visible (ecde->time_entry)); + return; + case PROP_SHOW_NOW_BUTTON: + g_value_set_boolean (value, gtk_widget_get_visible (ecde->now_button)); + return; + case PROP_SHOW_TODAY_BUTTON: + g_value_set_boolean (value, gtk_widget_get_visible (ecde->today_button)); + return; + case PROP_ALLOW_NO_DATE_SET: + g_value_set_boolean (value, gtk_widget_get_visible (ecde->none_button)); + return; + case PROP_USE_24_HOUR_FORMAT: + g_value_set_boolean (value, ecde->use_24_hour_format); + return; + case PROP_LOWER_HOUR: + g_value_set_int (value, ecde->lower_hour); + return; + case PROP_UPPER_HOUR: + g_value_set_int (value, ecde->upper_hour); + return; + } + + G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec); +} + +static void +e_cell_date_edit_set_property (GObject *object, + guint property_id, + const GValue *value, + GParamSpec *pspec) +{ + ECellDateEdit *ecde; + gint ivalue; + gboolean bvalue; + + ecde = E_CELL_DATE_EDIT (object); + + switch (property_id) { + case PROP_SHOW_TIME: + if (g_value_get_boolean (value)) { + gtk_widget_show (ecde->time_entry); + gtk_widget_show (ecde->time_tree_view); + } else { + gtk_widget_hide (ecde->time_entry); + gtk_widget_hide (ecde->time_tree_view); + } + return; + case PROP_SHOW_NOW_BUTTON: + if (g_value_get_boolean (value)) { + gtk_widget_show (ecde->now_button); + } else { + gtk_widget_hide (ecde->now_button); + } + return; + case PROP_SHOW_TODAY_BUTTON: + if (g_value_get_boolean (value)) { + gtk_widget_show (ecde->today_button); + } else { + gtk_widget_hide (ecde->today_button); + } + return; + case PROP_ALLOW_NO_DATE_SET: + if (g_value_get_boolean (value)) { + gtk_widget_show (ecde->none_button); + } else { + /* FIXME: What if we have no date set now. */ + gtk_widget_hide (ecde->none_button); + } + return; + case PROP_USE_24_HOUR_FORMAT: + bvalue = g_value_get_boolean (value); + if (ecde->use_24_hour_format != bvalue) { + ecde->use_24_hour_format = bvalue; + ecde->need_time_list_rebuild = TRUE; + } + return; + case PROP_LOWER_HOUR: + ivalue = g_value_get_int (value); + ivalue = CLAMP (ivalue, 0, 24); + if (ecde->lower_hour != ivalue) { + ecde->lower_hour = ivalue; + ecde->need_time_list_rebuild = TRUE; + } + return; + case PROP_UPPER_HOUR: + ivalue = g_value_get_int (value); + ivalue = CLAMP (ivalue, 0, 24); + if (ecde->upper_hour != ivalue) { + ecde->upper_hour = ivalue; + ecde->need_time_list_rebuild = TRUE; + } + return; + } + + G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec); +} + +static void +e_cell_date_edit_dispose (GObject *object) +{ + ECellDateEdit *ecde = E_CELL_DATE_EDIT (object); + + e_cell_date_edit_set_get_time_callback (ecde, NULL, NULL, NULL); + + if (ecde->popup_window != NULL) { + gtk_widget_destroy (ecde->popup_window); + ecde->popup_window = NULL; + } + + /* Chain up to parent's dispose() method. */ + G_OBJECT_CLASS (e_cell_date_edit_parent_class)->dispose (object); +} + +static gint +e_cell_date_edit_do_popup (ECellPopup *ecp, + GdkEvent *event, + gint row, + gint view_col) +{ + ECellDateEdit *ecde = E_CELL_DATE_EDIT (ecp); + GdkWindow *window; + + e_cell_date_edit_show_popup (ecde, row, view_col); + e_cell_date_edit_set_popup_values (ecde); + + gtk_grab_add (ecde->popup_window); + + /* Set the focus to the first widget. */ + gtk_widget_grab_focus (ecde->time_entry); + window = gtk_widget_get_window (ecde->popup_window); + gdk_window_focus (window, GDK_CURRENT_TIME); + + return TRUE; +} + +static void +e_cell_date_edit_set_popup_values (ECellDateEdit *ecde) +{ + ECellPopup *ecp = E_CELL_POPUP (ecde); + ECellText *ecell_text = E_CELL_TEXT (ecp->child); + ECellView *ecv = (ECellView *) ecp->popup_cell_view; + ETableItem *eti; + ETableCol *ecol; + gchar *cell_text; + ETimeParseStatus status; + struct tm date_tm; + GDate date; + ECalendarItem *calitem; + gchar buffer[64]; + gboolean is_date = TRUE; + + eti = E_TABLE_ITEM (ecp->popup_cell_view->cell_view.e_table_item_view); + ecol = e_table_header_get_column (eti->header, ecp->popup_view_col); + + cell_text = e_cell_text_get_text ( + ecell_text, ecv->e_table_model, + ecol->col_idx, ecp->popup_row); + + /* Try to parse just a date first. If the value is only a date, we + * use a DATE value. */ + status = e_time_parse_date (cell_text, &date_tm); + if (status == E_TIME_PARSE_INVALID) { + is_date = FALSE; + status = e_time_parse_date_and_time (cell_text, &date_tm); + } + + /* If there is no date and time set, or the date is invalid, we clear + * the selections, else we select the appropriate date & time. */ + calitem = E_CALENDAR_ITEM (E_CALENDAR (ecde->calendar)->calitem); + if (status == E_TIME_PARSE_NONE || status == E_TIME_PARSE_INVALID) { + gtk_entry_set_text (GTK_ENTRY (ecde->time_entry), ""); + e_calendar_item_set_selection (calitem, NULL, NULL); + gtk_tree_selection_unselect_all ( + gtk_tree_view_get_selection ( + GTK_TREE_VIEW (ecde->time_tree_view))); + } else { + if (is_date) { + buffer[0] = '\0'; + } else { + e_time_format_time ( + &date_tm, ecde->use_24_hour_format, + FALSE, buffer, sizeof (buffer)); + } + gtk_entry_set_text (GTK_ENTRY (ecde->time_entry), buffer); + + g_date_clear (&date, 1); + g_date_set_dmy ( + &date, + date_tm.tm_mday, + date_tm.tm_mon + 1, + date_tm.tm_year + 1900); + e_calendar_item_set_selection (calitem, &date, &date); + + if (is_date) { + gtk_tree_selection_unselect_all ( + gtk_tree_view_get_selection ( + GTK_TREE_VIEW (ecde->time_tree_view))); + } else { + e_cell_date_edit_select_matching_time (ecde, buffer); + } + } + + e_cell_text_free_text (ecell_text, cell_text); +} + +static void +e_cell_date_edit_select_matching_time (ECellDateEdit *ecde, + gchar *time) +{ + gboolean found = FALSE; + gboolean valid; + GtkTreeSelection *selection; + GtkTreeIter iter; + GtkTreeModel *model; + + model = gtk_tree_view_get_model (GTK_TREE_VIEW (ecde->time_tree_view)); + selection = gtk_tree_view_get_selection (GTK_TREE_VIEW (ecde->time_tree_view)); + + for (valid = gtk_tree_model_get_iter_first (model, &iter); + valid && !found; + valid = gtk_tree_model_iter_next (model, &iter)) { + gchar *str = NULL; + + gtk_tree_model_get (model, &iter, 0, &str, -1); + + if (g_str_equal (str, time)) { + GtkTreePath *path = gtk_tree_model_get_path (model, &iter); + + gtk_tree_view_set_cursor ( + GTK_TREE_VIEW (ecde->time_tree_view), + path, NULL, FALSE); + gtk_tree_view_scroll_to_cell ( + GTK_TREE_VIEW (ecde->time_tree_view), + path, NULL, FALSE, 0.0, 0.0); + gtk_tree_path_free (path); + + found = TRUE; + } + + g_free (str); + } + + if (!found) { + gtk_tree_selection_unselect_all (selection); + gtk_tree_view_scroll_to_point (GTK_TREE_VIEW (ecde->time_tree_view), 0, 0); + } +} + +static void +e_cell_date_edit_show_popup (ECellDateEdit *ecde, + gint row, + gint view_col) +{ + GdkWindow *window; + gint x, y, width, height; + + if (ecde->need_time_list_rebuild) + e_cell_date_edit_rebuild_time_list (ecde); + + /* This code is practically copied from GtkCombo. */ + + e_cell_date_edit_get_popup_pos (ecde, row, view_col, &x, &y, &height, &width); + + window = gtk_widget_get_window (ecde->popup_window); + gtk_window_move (GTK_WINDOW (ecde->popup_window), x, y); + gtk_widget_set_size_request (ecde->popup_window, width, height); + gtk_widget_realize (ecde->popup_window); + gdk_window_resize (window, width, height); + gtk_widget_show (ecde->popup_window); + + e_cell_popup_set_shown (E_CELL_POPUP (ecde), TRUE); +} + +/* Calculates the size and position of the popup window (like GtkCombo). */ +static void +e_cell_date_edit_get_popup_pos (ECellDateEdit *ecde, + gint row, + gint view_col, + gint *x, + gint *y, + gint *height, + gint *width) +{ + ECellPopup *ecp = E_CELL_POPUP (ecde); + ETableItem *eti; + GtkWidget *canvas; + GtkRequisition popup_requisition; + GtkAdjustment *adjustment; + GtkScrollable *scrollable; + GdkWindow *window; + gint avail_height, screen_width, column_width, row_height; + gdouble x1, y1, wx, wy; + gint value; + + eti = E_TABLE_ITEM (ecp->popup_cell_view->cell_view.e_table_item_view); + canvas = GTK_WIDGET (GNOME_CANVAS_ITEM (eti)->canvas); + + window = gtk_widget_get_window (canvas); + gdk_window_get_origin (window, x, y); + + x1 = e_table_header_col_diff (eti->header, 0, view_col + 1); + y1 = e_table_item_row_diff (eti, 0, row + 1); + column_width = e_table_header_col_diff ( + eti->header, view_col, view_col + 1); + row_height = e_table_item_row_diff (eti, row, row + 1); + gnome_canvas_item_i2w (GNOME_CANVAS_ITEM (eti), &x1, &y1); + + gnome_canvas_world_to_window ( + GNOME_CANVAS (canvas), x1, y1, &wx, &wy); + + x1 = wx; + y1 = wy; + + *x += x1; + /* The ETable positions don't include the grid lines, I think, so we + * add 1. */ + scrollable = GTK_SCROLLABLE (&GNOME_CANVAS (canvas)->layout); + adjustment = gtk_scrollable_get_vadjustment (scrollable); + value = (gint) gtk_adjustment_get_value (adjustment); + *y += y1 + 1 - value + ((GnomeCanvas *)canvas)->zoom_yofs; + + avail_height = gdk_screen_height () - *y; + + /* We'll use the entire screen width if needed, but we save space for + * the vertical scrollbar in case we need to show that. */ + screen_width = gdk_screen_width (); + + gtk_widget_get_preferred_size (ecde->popup_window, &popup_requisition, NULL); + + /* Calculate the desired width. */ + *width = popup_requisition.width; + + /* Use at least the same width as the column. */ + if (*width < column_width) + *width = column_width; + + /* Check if it fits in the available height. */ + if (popup_requisition.height > avail_height) { + /* It doesn't fit, so we see if we have the minimum space + * needed. */ + if (*y - row_height > avail_height) { + /* We don't, so we show the popup above the cell + * instead of below it. */ + *y -= (popup_requisition.height + row_height); + if (*y < 0) + *y = 0; + } + } + + /* We try to line it up with the right edge of the column, but we don't + * want it to go off the edges of the screen. */ + if (*x > screen_width) + *x = screen_width; + *x -= *width; + if (*x < 0) + *x = 0; + + *height = popup_requisition.height; +} + +/* This handles key press events in the popup window. If the Escape key is + * pressed we hide the popup, and do not change the cell contents. */ +static gint +e_cell_date_edit_key_press (GtkWidget *popup_window, + GdkEventKey *event, + ECellDateEdit *ecde) +{ + /* If the Escape key is pressed we hide the popup. */ + if (event->keyval != GDK_KEY_Escape) + return FALSE; + + e_cell_date_edit_hide_popup (ecde); + + return TRUE; +} + +/* This handles button press events in the popup window. If the button is + * pressed outside the popup, we hide it and do not change the cell contents. +*/ +static gint +e_cell_date_edit_button_press (GtkWidget *popup_window, + GdkEvent *button_event, + ECellDateEdit *ecde) +{ + GtkWidget *event_widget; + + event_widget = gtk_get_event_widget (button_event); + + if (gtk_widget_get_toplevel (event_widget) != popup_window) + e_cell_date_edit_hide_popup (ecde); + + return TRUE; +} + +/* Clears the time list and rebuilds it using the lower_hour, upper_hour + * and use_24_hour_format settings. */ +static void +e_cell_date_edit_rebuild_time_list (ECellDateEdit *ecde) +{ + GtkListStore *store; + gchar buffer[40]; + struct tm tmp_tm; + gint hour, min; + + store = GTK_LIST_STORE (gtk_tree_view_get_model ( + GTK_TREE_VIEW (ecde->time_tree_view))); + gtk_list_store_clear (store); + + /* Fill the struct tm with some sane values. */ + tmp_tm.tm_year = 2000; + tmp_tm.tm_mon = 0; + tmp_tm.tm_mday = 1; + tmp_tm.tm_sec = 0; + tmp_tm.tm_isdst = 0; + + for (hour = ecde->lower_hour; hour <= ecde->upper_hour; hour++) { + /* We don't want to display midnight at the end, since that is + * really in the next day. */ + if (hour == 24) + break; + + /* We want to finish on upper_hour, with min == 0. */ + for (min = 0; + min == 0 || (min < 60 && hour != ecde->upper_hour); + min += 30) { + GtkTreeIter iter; + + tmp_tm.tm_hour = hour; + tmp_tm.tm_min = min; + e_time_format_time (&tmp_tm, ecde->use_24_hour_format, + FALSE, buffer, sizeof (buffer)); + + gtk_list_store_append (store, &iter); + gtk_list_store_set (store, &iter, 0, buffer, -1); + } + } + + ecde->need_time_list_rebuild = FALSE; +} + +static void +e_cell_date_edit_on_ok_clicked (GtkWidget *button, + ECellDateEdit *ecde) +{ + ECalendarItem *calitem; + GDate start_date, end_date; + gboolean day_selected; + struct tm date_tm; + gchar buffer[64]; + const gchar *text; + ETimeParseStatus status; + gboolean is_date = FALSE; + + calitem = E_CALENDAR_ITEM (E_CALENDAR (ecde->calendar)->calitem); + day_selected = e_calendar_item_get_selection ( + calitem, &start_date, &end_date); + + text = gtk_entry_get_text (GTK_ENTRY (ecde->time_entry)); + status = e_time_parse_time (text, &date_tm); + if (status == E_TIME_PARSE_INVALID) { + e_cell_date_edit_show_time_invalid_warning (ecde); + return; + } else if (status == E_TIME_PARSE_NONE) { + is_date = TRUE; + } + + if (day_selected) { + date_tm.tm_year = g_date_get_year (&start_date) - 1900; + date_tm.tm_mon = g_date_get_month (&start_date) - 1; + date_tm.tm_mday = g_date_get_day (&start_date); + /* We need to call this to set the weekday. */ + mktime (&date_tm); + e_time_format_date_and_time (&date_tm, + ecde->use_24_hour_format, + !is_date, FALSE, + buffer, sizeof (buffer)); + } else { + buffer[0] = '\0'; + } + + e_cell_date_edit_update_cell (ecde, buffer); + e_cell_date_edit_hide_popup (ecde); +} + +static void +e_cell_date_edit_show_time_invalid_warning (ECellDateEdit *ecde) +{ + GtkWidget *dialog; + struct tm date_tm; + gchar buffer[64]; + + /* Create a useful error message showing the correct format. */ + date_tm.tm_year = 100; + date_tm.tm_mon = 0; + date_tm.tm_mday = 1; + date_tm.tm_hour = 1; + date_tm.tm_min = 30; + date_tm.tm_sec = 0; + date_tm.tm_isdst = -1; + e_time_format_time (&date_tm, ecde->use_24_hour_format, FALSE, + buffer, sizeof (buffer)); + + /* FIXME: Fix transient settings - I'm not sure it works with popup + * windows. Maybe we need to use a normal window without decorations.*/ + dialog = gtk_message_dialog_new ( + GTK_WINDOW (ecde->popup_window), + GTK_DIALOG_DESTROY_WITH_PARENT, + GTK_MESSAGE_ERROR, GTK_BUTTONS_OK, + _("The time must be in the format: %s"), + buffer); + gtk_dialog_run (GTK_DIALOG (dialog)); + gtk_widget_destroy (dialog); +} + +static void +e_cell_date_edit_on_now_clicked (GtkWidget *button, + ECellDateEdit *ecde) +{ + struct tm tmp_tm; + time_t t; + gchar buffer[64]; + + if (ecde->time_callback) { + tmp_tm = ecde->time_callback ( + ecde, ecde->time_callback_data); + } else { + t = time (NULL); + tmp_tm = *localtime (&t); + } + + e_time_format_date_and_time ( + &tmp_tm, ecde->use_24_hour_format, + TRUE, FALSE, buffer, sizeof (buffer)); + + e_cell_date_edit_update_cell (ecde, buffer); + e_cell_date_edit_hide_popup (ecde); +} + +static void +e_cell_date_edit_on_none_clicked (GtkWidget *button, + ECellDateEdit *ecde) +{ + e_cell_date_edit_update_cell (ecde, ""); + e_cell_date_edit_hide_popup (ecde); +} + +static void +e_cell_date_edit_on_today_clicked (GtkWidget *button, + ECellDateEdit *ecde) +{ + struct tm tmp_tm; + time_t t; + gchar buffer[64]; + + if (ecde->time_callback) { + tmp_tm = ecde->time_callback ( + ecde, ecde->time_callback_data); + } else { + t = time (NULL); + tmp_tm = *localtime (&t); + } + + tmp_tm.tm_hour = 0; + tmp_tm.tm_min = 0; + tmp_tm.tm_sec = 0; + + e_time_format_date_and_time ( + &tmp_tm, ecde->use_24_hour_format, + FALSE, FALSE, buffer, sizeof (buffer)); + + e_cell_date_edit_update_cell (ecde, buffer); + e_cell_date_edit_hide_popup (ecde); +} + +static void +e_cell_date_edit_update_cell (ECellDateEdit *ecde, + const gchar *text) +{ + ECellPopup *ecp = E_CELL_POPUP (ecde); + ECellText *ecell_text = E_CELL_TEXT (ecp->child); + ECellView *ecv = (ECellView *) ecp->popup_cell_view; + ETableItem *eti = E_TABLE_ITEM (ecv->e_table_item_view); + ETableCol *ecol; + gchar *old_text; + + /* Compare the new text with the existing cell contents. */ + ecol = e_table_header_get_column (eti->header, ecp->popup_view_col); + + old_text = e_cell_text_get_text ( + ecell_text, ecv->e_table_model, + ecol->col_idx, ecp->popup_row); + + /* If they are different, update the cell contents. */ + if (strcmp (old_text, text)) { + e_cell_text_set_value ( + ecell_text, ecv->e_table_model, + ecol->col_idx, ecp->popup_row, text); + e_cell_leave_edit ( + ecv, ecp->popup_view_col, + ecol->col_idx, ecp->popup_row, NULL); + } + + e_cell_text_free_text (ecell_text, old_text); +} + +static void +e_cell_date_edit_on_time_selected (GtkTreeSelection *selection, + ECellDateEdit *ecde) +{ + gchar *list_item_text = NULL; + GtkTreeIter iter; + GtkTreeModel *model; + + if (!gtk_tree_selection_get_selected (selection, &model, &iter)) + return; + + gtk_tree_model_get (model, &iter, 0, &list_item_text, -1); + + g_return_if_fail (list_item_text != NULL); + + gtk_entry_set_text (GTK_ENTRY (ecde->time_entry), list_item_text); + + g_free (list_item_text); +} + +static void +e_cell_date_edit_hide_popup (ECellDateEdit *ecde) +{ + gtk_grab_remove (ecde->popup_window); + gtk_widget_hide (ecde->popup_window); + e_cell_popup_set_shown (E_CELL_POPUP (ecde), FALSE); +} + +/* These freeze and thaw the rebuilding of the time list. They are useful when + * setting several properties which result in rebuilds of the list, e.g. the + * lower_hour, upper_hour and use_24_hour_format properties. */ +void +e_cell_date_edit_freeze (ECellDateEdit *ecde) +{ + g_return_if_fail (E_IS_CELL_DATE_EDIT (ecde)); + + ecde->freeze_count++; +} + +void +e_cell_date_edit_thaw (ECellDateEdit *ecde) +{ + g_return_if_fail (E_IS_CELL_DATE_EDIT (ecde)); + + if (ecde->freeze_count > 0) { + ecde->freeze_count--; + + if (ecde->freeze_count == 0) + e_cell_date_edit_rebuild_time_list (ecde); + } +} + +/* Sets a callback to use to get the current time. This is useful if the + * application needs to use its own timezone data rather than rely on the + * Unix timezone. */ +void +e_cell_date_edit_set_get_time_callback (ECellDateEdit *ecde, + ECellDateEditGetTimeCallback cb, + gpointer data, + GDestroyNotify destroy) +{ + g_return_if_fail (E_IS_CELL_DATE_EDIT (ecde)); + + if (ecde->time_callback_data && ecde->time_callback_destroy) + (*ecde->time_callback_destroy) (ecde->time_callback_data); + + ecde->time_callback = cb; + ecde->time_callback_data = data; + ecde->time_callback_destroy = destroy; +} |