/* Gtk+ User Interface Builder * Copyright (C) 1998 Damon Chaplin * * 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ #include #include #include #include #include #include "../gb.h" /* Include the 21x21 icon pixmap for this widget, to be used in the palette */ #include "../graphics/ctree.xpm" /* * This is the GbWidget struct for this widget (see ../gbwidget.h). * It is initialized in the init() function at the end of this file */ static GbWidget gbwidget; static gchar *Mode = "CTree|GtkCList::selection_mode"; static gchar *Titles = "CTree|GtkCList::show_titles"; static gchar *Shadow = "CTree|GtkCList::shadow_type"; /* This is only used for loading & saving - it isn't displayed in the property editor. */ static gchar *Cols = "GtkCTree::n_columns"; static gchar *ColumnWidths = "GtkCTree::column_widths"; static const gchar *GbModeChoices[] = {"Single", "Browse", "Multiple", NULL}; static const gint GbModeValues[] = { GTK_SELECTION_SINGLE, GTK_SELECTION_BROWSE, GTK_SELECTION_MULTIPLE }; static const gchar *GbModeSymbols[] = { "GTK_SELECTION_SINGLE", "GTK_SELECTION_BROWSE", "GTK_SELECTION_MULTIPLE" }; static const gchar *GbShadowChoices[] = {"None", "In", "Out", "Etched In", "Etched Out", NULL}; static const gint GbShadowValues[] = { GTK_SHADOW_NONE, GTK_SHADOW_IN, GTK_SHADOW_OUT, GTK_SHADOW_ETCHED_IN, GTK_SHADOW_ETCHED_OUT }; static const gchar *GbShadowSymbols[] = { "GTK_SHADOW_NONE", "GTK_SHADOW_IN", "GTK_SHADOW_OUT", "GTK_SHADOW_ETCHED_IN", "GTK_SHADOW_ETCHED_OUT" }; static void show_ctree_dialog (GbWidgetNewData * data); static void on_ctree_dialog_ok (GtkWidget * widget, GbWidgetNewData * data); static void on_ctree_dialog_destroy (GtkWidget * widget, GbWidgetNewData * data); static GtkWidget *new_label (GtkWidget * parent); static GtkWidget *new_unnamed_label (GtkWidget * parent); /****** * NOTE: To use these functions you need to uncomment them AND add a pointer * to the funtion in the GbWidget struct at the end of this file. ******/ /* * Creates a new GtkWidget of class GtkCTree, performing any specialized * initialization needed for the widget to work correctly in this environment. * If a dialog box is used to initialize the widget, return NULL from this * function, and call data->callback with your new widget when it is done. * If the widget needs a special destroy handler, add a signal here. */ GtkWidget * gb_ctree_new (GbWidgetNewData * data) { GtkWidget *new_widget; gint cols = 0, i; if (data->action == GB_LOADING) { cols = load_int (data->loading_data, Cols); /* For backwards compatability with 1.1.1. */ if (cols == 0) cols = load_int (data->loading_data, "columns"); if (cols == 0) cols = 1; /* FIXME: Allow setting of tree column - 2nd arg */ new_widget = gtk_ctree_new (cols, 0); /* GtkCList has problems if the title buttons aren't created. */ for (i = 0; i < cols; i++) { gtk_clist_set_column_widget (GTK_CLIST (new_widget), i, new_unnamed_label (new_widget)); gtk_clist_set_column_width (GTK_CLIST (new_widget), i, 80); editor_add_mouse_signals_to_existing (GTK_CLIST (new_widget)->column[i].button); } return new_widget; } else { show_ctree_dialog (data); return NULL; } } static void show_ctree_dialog (GbWidgetNewData * data) { GtkWidget *dialog, *vbox, *hbox, *label, *spinbutton; GtkObject *adjustment; dialog = glade_util_create_dialog (_("New columned tree"), data->parent, GTK_SIGNAL_FUNC (on_ctree_dialog_ok), data, &vbox); gtk_signal_connect (GTK_OBJECT (dialog), "destroy", GTK_SIGNAL_FUNC (on_ctree_dialog_destroy), data); hbox = gtk_hbox_new (FALSE, 5); gtk_box_pack_start (GTK_BOX (vbox), hbox, TRUE, TRUE, 5); gtk_container_set_border_width (GTK_CONTAINER (hbox), 10); gtk_widget_show (hbox); label = gtk_label_new (_("Number of columns:")); gtk_box_pack_start (GTK_BOX (hbox), label, TRUE, TRUE, 5); gtk_widget_show (label); adjustment = gtk_adjustment_new (3, 1, 100, 1, 10, 10); spinbutton = glade_util_spin_button_new (GTK_OBJECT (dialog), "cols", GTK_ADJUSTMENT (adjustment), 1, 0); gtk_box_pack_start (GTK_BOX (hbox), spinbutton, TRUE, TRUE, 5); gtk_widget_set_usize (spinbutton, 50, -1); gtk_widget_grab_focus (spinbutton); gtk_widget_show (spinbutton); gtk_widget_show (dialog); gtk_grab_add (dialog); } static void on_ctree_dialog_ok (GtkWidget * widget, GbWidgetNewData * data) { GtkWidget *new_widget, *spinbutton, *dialog, *label; gint cols, i; dialog = gtk_widget_get_toplevel (widget); /* Only call callback if placeholder/fixed widget is still there */ if (gb_widget_can_finish_new (data)) { spinbutton = gtk_object_get_data (GTK_OBJECT (dialog), "cols"); g_return_if_fail (spinbutton != NULL); cols = gtk_spin_button_get_value_as_int (GTK_SPIN_BUTTON (spinbutton)); /* FIXME: Allow setting of tree column - 2nd arg */ new_widget = gtk_ctree_new (cols, 0); gtk_clist_column_titles_show (GTK_CLIST (new_widget)); for (i = 0; i < cols; i++) { label = new_label (new_widget); gtk_clist_set_column_widget (GTK_CLIST (new_widget), i, label); gtk_clist_set_column_width (GTK_CLIST (new_widget), i, 80); } gb_widget_initialize (new_widget, data); (*data->callback) (new_widget, data); } gtk_widget_destroy (dialog); } static void on_ctree_dialog_destroy (GtkWidget * widget, GbWidgetNewData * data) { gb_widget_free_new_data (data); gtk_grab_remove (widget); } GtkWidget * new_label (GtkWidget * parent) { GtkWidget *label; label = gb_widget_new ("GtkLabel", parent); g_return_val_if_fail (label != NULL, NULL); gb_widget_set_child_name (label, GladeChildCListTitle); return label; } GtkWidget * new_unnamed_label (GtkWidget * parent) { GtkWidget *label; label = gb_widget_new_full ("GtkLabel", FALSE, parent, NULL, 0, 0, NULL, GB_CREATING, NULL); g_return_val_if_fail (label != NULL, NULL); gb_widget_set_child_name (label, GladeChildCListTitle); return label; } /* * Creates the components needed to edit the extra properties of this widget. */ static void gb_ctree_create_properties (GtkWidget * widget, GbWidgetCreateArgData * data) { property_add_choice (Mode, _("Select Mode:"), _("The selection mode of the columned tree"), GbModeChoices); property_add_bool (Titles, _("Show Titles:"), _("If the column titles are shown")); property_add_choice (Shadow, _("Shadow:"), _("The type of shadow of the columned tree's border"), GbShadowChoices); } /* * Gets the properties of the widget. This is used for both displaying the * properties in the property editor, and also for saving the properties. */ static void gb_ctree_get_properties (GtkWidget *widget, GbWidgetGetArgData * data) { gchar buffer[1024]; gchar *pos; gboolean buffer_overrun = FALSE; gint i; if (data->action == GB_SAVING) { gb_widget_output_int (data, Cols, GTK_CLIST (widget)->columns); pos = buffer; for (i = 0; i < GTK_CLIST (widget)->columns; i++) { if (i == 0) sprintf (pos, "%i", GTK_CLIST (widget)->column[i].width); else sprintf (pos, ",%i", GTK_CLIST (widget)->column[i].width); pos += strlen (pos); /* Extra check to make sure we don't overrun the buffer. */ if (pos - buffer > 1000) { g_warning ("Buffer overflow"); buffer_overrun = TRUE; break; } } if (!buffer_overrun) gb_widget_output_string (data, ColumnWidths, buffer); } for (i = 0; i < sizeof (GbModeValues) / sizeof (GbModeValues[0]); i++) { if (GbModeValues[i] == GTK_CLIST (widget)->selection_mode) gb_widget_output_choice (data, Mode, i, GbModeSymbols[i]); } gb_widget_output_bool (data, Titles, GTK_CLIST_SHOW_TITLES (widget)); for (i = 0; i < sizeof (GbShadowValues) / sizeof (GbShadowValues[0]); i++) { if (GbShadowValues[i] == GTK_CLIST (widget)->shadow_type) gb_widget_output_choice (data, Shadow, i, GbShadowSymbols[i]); } } /* * Sets the properties of the widget. This is used for both applying the * properties changed in the property editor, and also for loading. */ static void gb_ctree_set_properties (GtkWidget * widget, GbWidgetSetArgData * data) { gchar *widths, *pos, *mode; gchar *shadow; gboolean titles; gint col, w, i; if (data->action == GB_LOADING) { widths = gb_widget_input_string (data, ColumnWidths); if (data->apply) { pos = widths; for (col = 0; col < GTK_CLIST (widget)->columns; col++) { w = atoi (pos); gtk_clist_set_column_width (GTK_CLIST (widget), col, w); pos = strchr (pos, ','); if (!pos) break; pos++; } } } mode = gb_widget_input_choice (data, Mode); if (data->apply) { for (i = 0; i < sizeof (GbModeValues) / sizeof (GbModeValues[0]); i++) { if (!strcmp (mode, GbModeChoices[i]) || !strcmp (mode, GbModeSymbols[i])) { gtk_clist_set_selection_mode (GTK_CLIST (widget), GbModeValues[i]); break; } } } titles = gb_widget_input_bool (data, Titles); if (data->apply) { if (titles) gtk_clist_column_titles_show (GTK_CLIST (widget)); else gtk_clist_column_titles_hide (GTK_CLIST (widget)); } shadow = gb_widget_input_choice (data, Shadow); if (data->apply) { for (i = 0; i < sizeof (GbShadowValues) / sizeof (GbShadowValues[0]); i ++) { if (!strcmp (shadow, GbShadowChoices[i]) || !strcmp (shadow, GbShadowSymbols[i])) { gtk_clist_set_shadow_type (GTK_CLIST (widget), GbShadowValues[i]); break; } } } } /* * Adds menu items to a context menu which is just about to appear! * Add commands to aid in editing a GtkCTree, with signals pointing to * other functions in this file. */ /* static void gb_ctree_create_popup_menu (GtkWidget * widget, GbWidgetCreateMenuData * data) { } */ void gb_ctree_add_child (GtkWidget *widget, GtkWidget *child, GbWidgetSetArgData *data) { /* We store the last column title read in 'last_child' */ gint col = GPOINTER_TO_INT (gtk_object_get_data (GTK_OBJECT (widget), "last_child")); if (col >= GTK_CLIST (widget)->columns) { g_warning ("Too many column title widgets for GtkCTree - skipping"); return; } gtk_clist_set_column_widget (GTK_CLIST (widget), col, child); gtk_object_set_data (GTK_OBJECT (widget), "last_child", GINT_TO_POINTER (col + 1)); /* We need to add signals to the clist button, just in case the title widget has no window and so doesn't get signals itself. Since Clist always creates 1 button initially, the signals would be added to this button in gb_widget_new, so we could skip it, but it doesn't hurt. */ editor_add_mouse_signals_to_existing (GTK_CLIST (widget)->column[col].button); } /* * Writes the source code needed to create this widget. * You have to output everything necessary to create the widget here, though * there are some convenience functions to help. */ static void gb_ctree_write_source (GtkWidget * widget, GbWidgetWriteSourceData * data) { gint col, i; if (data->create_widget) { /* FIXME: allow changing of 2nd arg - ctree column */ source_add (data, " %s = gtk_ctree_new (%i, 0);\n", data->wname, GTK_CLIST (widget)->columns); } /* We reset the last_child index, so as the title widgets are written out they will start at column 0. */ gtk_object_set_data (GTK_OBJECT (widget), "last_child", GINT_TO_POINTER (-1)); gb_widget_write_standard_source (widget, data); for (col = 0; col < GTK_CLIST (widget)->columns; col++) { source_add (data, " gtk_clist_set_column_width (GTK_CLIST (%s), %i, %i);\n", data->wname, col, GTK_CLIST (widget)->column[col].width); } if (GTK_CLIST (widget)->selection_mode != GTK_SELECTION_SINGLE) { for (i = 0; i < sizeof (GbModeValues) / sizeof (GbModeValues[0]); i++) { if (GbModeValues[i] == GTK_CLIST (widget)->selection_mode) source_add (data, " gtk_clist_set_selection_mode (GTK_CLIST (%s), %s);\n", data->wname, GbModeSymbols[i]); } } if (GTK_CLIST_SHOW_TITLES (widget)) source_add (data, " gtk_clist_column_titles_show (GTK_CLIST (%s));\n", data->wname); else source_add (data, " gtk_clist_column_titles_hide (GTK_CLIST (%s));\n", data->wname); if (GTK_CLIST (widget)->shadow_type != GTK_SHADOW_IN) { for (i = 0; i < sizeof (GbShadowValues) / sizeof (GbShadowValues[0]); i ++) { if (GbShadowValues[i] == GTK_CLIST (widget)->shadow_type) source_add (data, " gtk_clist_set_shadow_type (GTK_CLIST (%s), %s);\n", data->wname, GbShadowSymbols[i]); } } } /* Outputs source to add a child widget to a CTree. */ static void gb_ctree_write_add_child_source (GtkWidget * parent, const gchar *parent_name, GtkWidget *child, GbWidgetWriteSourceData * data) { gchar *child_name; child_name = gb_widget_get_child_name (child); /* See if this is a title widget. */ if (child_name && (!strcmp (child_name, GladeChildCListTitle))) { /* We store the last column title written in 'last_child' */ gint col = GPOINTER_TO_INT (gtk_object_get_data (GTK_OBJECT (parent), "last_child")); source_add (data, " gtk_clist_set_column_widget (GTK_CLIST (%s), %i, %s);\n", parent_name, col + 1, data->wname); gtk_object_set_data (GTK_OBJECT (parent), "last_child", GINT_TO_POINTER (col + 1)); } else { g_warning ("Unknown CTree child widgetL %s", data->wname); source_add (data, " gtk_container_add (GTK_CONTAINER (%s), %s);\n", parent_name, data->wname); } } /* * Initializes the GbWidget structure. * I've placed this at the end of the file so we don't have to include * declarations of all the functions. */ GbWidget* gb_ctree_init () { /* Initialise the GTK type */ volatile GtkType type; type = gtk_ctree_get_type(); /* Initialize the GbWidget structure */ gb_widget_init_struct(&gbwidget); /* Fill in the pixmap struct & tooltip */ gbwidget.pixmap_struct = ctree_xpm; gbwidget.tooltip = _("Columned Tree"); /* Fill in any functions that this GbWidget has */ gbwidget.gb_widget_new = gb_ctree_new; gbwidget.gb_widget_add_child = gb_ctree_add_child; gbwidget.gb_widget_create_properties = gb_ctree_create_properties; gbwidget.gb_widget_get_properties = gb_ctree_get_properties; gbwidget.gb_widget_set_properties = gb_ctree_set_properties; gbwidget.gb_widget_write_source = gb_ctree_write_source; gbwidget.gb_widget_write_add_child_source = gb_ctree_write_add_child_source; /* gbwidget.gb_widget_create_popup_menu = gb_ctree_create_popup_menu; */ return &gbwidget; }