diff options
| -rw-r--r-- | e-util/ChangeLog | 7 | ||||
| -rw-r--r-- | e-util/Makefile.am | 46 | ||||
| -rw-r--r-- | e-util/e-dialog-widgets.c | 291 | ||||
| -rw-r--r-- | e-util/e-dialog-widgets.h | 40 |
4 files changed, 362 insertions, 22 deletions
diff --git a/e-util/ChangeLog b/e-util/ChangeLog index f9cc14b3ad..2c0ed89a7c 100644 --- a/e-util/ChangeLog +++ b/e-util/ChangeLog @@ -1,3 +1,10 @@ +2000-05-19 Federico Mena Quintero <federico@helixcode.com> + + * e-dialog-widgets.[ch]: New files with utilities for hooking up + widgets in Glade-generated dialogs. + + * Makefile.am (libeutil_la_SOURCES): Added e-dialog-widgets.[ch]. + 2000-05-19 Christopher James Lahey <clahey@helixcode.com> * e-gui-utils.c, e-gui-utils.h: Added e_container_foreach_leaf. diff --git a/e-util/Makefile.am b/e-util/Makefile.am index b9e2ac1f3b..a3db4c74ab 100644 --- a/e-util/Makefile.am +++ b/e-util/Makefile.am @@ -7,26 +7,28 @@ INCLUDES = \ noinst_LTLIBRARIES = libeutil.la -libeutil_la_SOURCES = \ - e-canvas.c \ - e-canvas.h \ - e-canvas-utils.c\ - e-canvas-utils.h\ - e-cursors.c \ - e-cursors.h \ - e-gui-utils.c \ - e-gui-utils.h \ - e-html-utils.c \ - e-html-utils.h \ - e-paned.c \ - e-paned.h \ - e-popup-menu.c \ - e-popup-menu.h \ - e-setup.c \ - e-setup.h \ - e-sexp.c \ - e-sexp.h \ - e-util.c \ - e-util.h \ - e-xml-utils.c \ +libeutil_la_SOURCES = \ + e-canvas.c \ + e-canvas.h \ + e-canvas-utils.c \ + e-canvas-utils.h \ + e-cursors.c \ + e-cursors.h \ + e-dialog-widgets.c \ + e-dialog-widgets.h \ + e-gui-utils.c \ + e-gui-utils.h \ + e-html-utils.c \ + e-html-utils.h \ + e-paned.c \ + e-paned.h \ + e-popup-menu.c \ + e-popup-menu.h \ + e-setup.c \ + e-setup.h \ + e-sexp.c \ + e-sexp.h \ + e-util.c \ + e-util.h \ + e-xml-utils.c \ e-xml-utils.h diff --git a/e-util/e-dialog-widgets.c b/e-util/e-dialog-widgets.c new file mode 100644 index 0000000000..283e6f95b6 --- /dev/null +++ b/e-util/e-dialog-widgets.c @@ -0,0 +1,291 @@ +/* Evolution internal utilities - Glade dialog widget utilities + * + * Copyright (C) 2000 Helix Code, Inc. + * + * Author: Federico Mena-Quintero <federico@gimp.org> + * + * 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 <config.h> +#include <gtk/gtkmenu.h> +#include <gtk/gtkmenuitem.h> +#include <gtk/gtkoptionmenu.h> +#include <gtk/gtkradiobutton.h> +#include <gtk/gtksignal.h> +#include <gtk/gtkspinbutton.h> +#include "e-dialog-widgets.h" + + + +typedef struct { + /* Widgets that are hooked */ + GSList *widgets; +} DialogHooks; + + + +/* Destroy handler for the dialog; frees the dialog hooks */ +static void +dialog_destroy_cb (GtkObject *dialog, gpointer data) +{ + DialogHooks *hooks; + + hooks = data; + + g_slist_free (hooks->widgets); + hooks->widgets = NULL; + + g_free (hooks); + gtk_object_set_data (dialog, "dialog-hooks", NULL); +} + +/* Ensures that the dialog has the necessary attached data to store the widget + * hook information. + */ +static DialogHooks * +get_dialog_hooks (GtkWidget *dialog) +{ + DialogHooks *hooks; + + hooks = gtk_object_get_data (GTK_OBJECT (dialog), "dialog-hooks"); + if (!hooks) { + hooks = g_new0 (DialogHooks, 1); + gtk_object_set_data (GTK_OBJECT (dialog), "dialog-hooks", hooks); + gtk_signal_connect (GTK_OBJECT (dialog), "destroy", + GTK_SIGNAL_FUNC (dialog_destroy_cb), hooks); + } + + return hooks; +} + +/* Converts an mapped value to the appropriate index in an item group. The + * values for the items are provided as a -1-terminated array. + */ +static int +value_to_index (const int *value_map, int value) +{ + int i; + + for (i = 0; value_map[i] != -1; i++) + if (value_map[i] == value) + return i; + + return -1; +} + +/* Converts an index in an item group to the appropriate mapped value. See the + * function above. + */ +static int +index_to_value (const int *value_map, int index) +{ + int i; + + /* We do this the hard way, i.e. not as a simple array reference, to + * check for correctness. + */ + + for (i = 0; value_map[i] != -1; i++) + if (i == index) + return value_map[i]; + + return -1; +} + +/* Callback for the "toggled" signal of toggle buttons */ +static void +toggled_cb (GtkToggleButton *toggle, gpointer data) +{ + GnomePropertyBox *pbox; + + pbox = GNOME_PROPERTY_BOX (data); + + /* For radio buttons, we only notify the property box if the button is + * active, because we'll get one call for each of the changed buttons in + * the radio group. + */ + if (!GTK_IS_RADIO_BUTTON (toggle) || toggle->active) + gnome_property_box_changed (pbox); +} + +/* Hooks a radio button group */ +static void +hook_radio (GtkWidget *dialog, GtkRadioButton *radio, gpointer value_var, gpointer info) +{ + GSList *group; + int *value; + int i; + const int *value_map; + GSList *l; + + group = gtk_radio_button_group (radio); + + /* Set the value */ + + value = (int *) value_var; + value_map = (const int *) info; + + i = value_to_index (value_map, *value); + if (i != -1) { + l = g_slist_nth (group, i); + if (!l) + g_message ("hook_radio(): could not find index %d in radio group!", i); + + gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (l->data), TRUE); + } else + g_message ("hook_radio(): could not find value %d in value map!", *value); + + /* Hook to changed */ + + if (GNOME_IS_PROPERTY_BOX (dialog)) + for (l = group; l; l = l->next) + gtk_signal_connect (GTK_OBJECT (l->data), "toggled", + GTK_SIGNAL_FUNC (toggled_cb), dialog); +} + +/* Callback for the "activate" signal of menu items */ +static void +activate_cb (GtkMenuItem *item, gpointer data) +{ + GnomePropertyBox *pbox; + + pbox = GNOME_PROPERTY_BOX (data); + gnome_property_box_changed (pbox); +} + +/* Hooks an option menu */ +static void +hook_option_menu (GtkWidget *dialog, GtkOptionMenu *omenu, gpointer value_var, gpointer info) +{ + int *value; + int i; + const int *value_map; + + /* Set the value */ + + value = (int *) value_var; + value_map = (const int *) info; + + i = value_to_index (value_map, *value); + if (i != -1) + gtk_option_menu_set_history (omenu, i); + else + g_message ("hook_option_menu(): could not find value %d in value map!", *value); + + /* Hook to changed */ + + if (GNOME_IS_PROPERTY_BOX (dialog)) { + GtkMenu *menu; + GList *l; + + menu = GTK_MENU (gtk_option_menu_get_menu (omenu)); + + for (l = GTK_MENU_SHELL (menu)->children; l; l = l->next) + gtk_signal_connect (GTK_OBJECT (l->data), "activate", + GTK_SIGNAL_FUNC (activate_cb), dialog); + } +} + +/* Hooks a toggle button */ +static void +hook_toggle (GtkWidget *dialog, GtkToggleButton *toggle, gpointer value_var, gpointer info) +{ + gboolean *value; + + /* Set the value */ + + value = (gboolean *) value_var; + gtk_toggle_button_set_active (toggle, *value); + + /* Hook to changed */ + + if (GNOME_IS_PROPERTY_BOX (dialog)) + gtk_signal_connect (GTK_OBJECT (toggle), "toggled", + GTK_SIGNAL_FUNC (toggled_cb), dialog); +} + +/* Callback for the "value_changed" signal of the adjustment of a spin button */ +static void +value_changed_cb (GtkAdjustment *adj, gpointer data) +{ + GnomePropertyBox *pbox; + + pbox = GNOME_PROPERTY_BOX (data); + gnome_property_box_changed (pbox); +} + +/* Hooks a spin button */ +static void +hook_spin_button (GtkWidget *dialog, GtkSpinButton *spin, gpointer value_var, gpointer info) +{ + double *value; + GtkAdjustment *adj; + + /* Set the value */ + + value = (double *) value_var; + adj = gtk_spin_button_get_adjustment (spin); + + adj->value = *value; + gtk_signal_emit_by_name (GTK_OBJECT (adj), "value_changed"); + + /* Hook to changed */ + + if (GNOME_IS_PROPERTY_BOX (dialog)) + gtk_signal_connect (GTK_OBJECT (adj), "value_changed", + GTK_SIGNAL_FUNC (value_changed_cb), dialog); +} + +/* Hooks an entry widget */ +static void +hook_entry (GtkWidget *dialog, GtkEntry *entry, gpointer value_var, gpointer info) +{ +} + +gboolean +e_dialog_widget_hook_value (GtkWidget *dialog, GtkWidget *widget, + gpointer value_var, gpointer info) +{ + DialogHooks *hooks; + + g_return_val_if_fail (dialog != NULL, FALSE); + g_return_val_if_fail (widget != NULL, FALSE); + g_return_val_if_fail (GTK_IS_WIDGET (widget), FALSE); + g_return_val_if_fail (value_var != NULL, FALSE); + + hooks = get_dialog_hooks (dialog); + + /* First check if it is a "group" widget, like a radio button or an + * option menu. Then we check for normal ungrouped widgets. + */ + + if (GTK_IS_RADIO_BUTTON (widget)) + hook_radio (dialog, GTK_RADIO_BUTTON (widget), value_var, info); + else if (GTK_IS_OPTION_MENU (widget)) + hook_option_menu (dialog, GTK_OPTION_MENU (widget), value_var, info); + else if (GTK_IS_TOGGLE_BUTTON (widget)) + hook_toggle (dialog, GTK_TOGGLE_BUTTON (widget), value_var, info); + else if (GTK_IS_SPIN_BUTTON (widget)) + hook_spin_button (dialog, GTK_SPIN_BUTTON (widget), value_var, info); + else if (GTK_IS_ENTRY (widget)) + hook_entry (dialog, GTK_ENTRY (widget), value_var, info); + else + return FALSE; + + hooks->widgets = g_slist_prepend (hooks->widgets, widget); + + return TRUE; +} diff --git a/e-util/e-dialog-widgets.h b/e-util/e-dialog-widgets.h new file mode 100644 index 0000000000..13b7a65d22 --- /dev/null +++ b/e-util/e-dialog-widgets.h @@ -0,0 +1,40 @@ +/* Evolution internal utilities - Glade dialog widget utilities + * + * Copyright (C) 2000 Helix Code, Inc. + * + * Author: Federico Mena-Quintero <federico@gimp.org> + * + * 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. + */ + +#ifndef E_DIALOG_WIDGETS_H +#define E_DIALOG_WIDGETS_H + +#include <glade/glade.h> +#include <libgnomeui/gnome-propertybox.h> + + + +gboolean e_dialog_widget_hook_value (GtkWidget *dialog, GtkWidget *widget, + gpointer value_var, gpointer info); + +void e_dialog_get_values (GtkWidget *dialog); + +gboolean e_dialog_xml_widget_hook_value (GladeXML *xml, GtkWidget *dialog, const char *widget_name, + gpointer value_var, gpointer info); + + + +#endif |