diff options
| -rw-r--r-- | widgets/misc/e-dropdown-button.c | 218 | ||||
| -rw-r--r-- | widgets/misc/e-dropdown-button.h | 78 | ||||
| -rw-r--r-- | widgets/misc/test-dropdown-button.c | 94 |
3 files changed, 390 insertions, 0 deletions
diff --git a/widgets/misc/e-dropdown-button.c b/widgets/misc/e-dropdown-button.c new file mode 100644 index 0000000000..b40d31733a --- /dev/null +++ b/widgets/misc/e-dropdown-button.c @@ -0,0 +1,218 @@ +/* -*- Mode: C; indent-tabs-mode: t; c-basic-offset: 8; tab-width: 8 -*- */ +/* e-dropdown-menu.c + * + * Copyright (C) 2001 Ximian, 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., 59 Temple Place - Suite 330, + * Boston, MA 02111-1307, USA. + * + * Authors: + * Ettore Perazzoli <ettore@ximian.com> + * Damon Chaplin <damon@ximian.com> + */ + +#ifdef HAVE_CONFIG_H +#include <config.h> +#endif + + +#include <gtk/gtk.h> +#include <gal/util/e-util.h> + +#include "e-dropdown-button.h" + + +struct _EDropdownButtonPrivate { + GtkAccelGroup *accel_group; + GtkWidget *menu; +}; + +#define PARENT_TYPE gtk_button_get_type () +static GtkButtonClass *parent_class = NULL; + + +/* Callback to position the pop-up menu. */ + +static void +menu_position_cb (GtkMenu *menu, + int *x, + int *y, + void *data) +{ + EDropdownButton *dropdown_button; + EDropdownButtonPrivate *priv; + GtkRequisition menu_requisition; + int max_x, max_y; + + dropdown_button = E_DROPDOWN_BUTTON (data); + priv = dropdown_button->priv; + + /* Calculate our preferred position. */ + gdk_window_get_origin (GTK_WIDGET (dropdown_button)->window, x, y); + *y += GTK_WIDGET (dropdown_button)->allocation.height; + + /* Now make sure we are on the screen. */ + gtk_widget_size_request (GTK_WIDGET (priv->menu), &menu_requisition); + max_x = MAX (0, gdk_screen_width () - menu_requisition.width); + max_y = MAX (0, gdk_screen_height () - menu_requisition.height); + + *x = CLAMP (*x, 0, max_x); + *y = CLAMP (*y, 0, max_y); +} + + +/* GtkObject methods. */ + +static void +impl_destroy (GtkObject *object) +{ + EDropdownButton *dropdown_button; + EDropdownButtonPrivate *priv; + + dropdown_button = E_DROPDOWN_BUTTON (object); + priv = dropdown_button->priv; + + gtk_accel_group_unref (priv->accel_group); + gtk_widget_destroy (priv->menu); + + g_free (priv); +} + + +/* GtkButton methods. */ + +static void +impl_clicked (GtkButton *button) +{ + EDropdownButton *dropdown_button; + EDropdownButtonPrivate *priv; + + dropdown_button = E_DROPDOWN_BUTTON (button); + priv = dropdown_button->priv; + + if (GTK_BUTTON_CLASS (parent_class)->clicked != NULL) + (* GTK_BUTTON_CLASS (parent_class)->clicked) (button); + + gtk_menu_popup (GTK_MENU (priv->menu), NULL, NULL, + menu_position_cb, dropdown_button, + 1, GDK_CURRENT_TIME); +} + + +static void +class_init (EDropdownButtonClass *klass) +{ + GtkObjectClass *object_class; + GtkButtonClass *button_class; + + object_class = GTK_OBJECT_CLASS (klass); + button_class = GTK_BUTTON_CLASS (klass); + + object_class->destroy = impl_destroy; + + button_class->clicked = impl_clicked; + + parent_class = gtk_type_class (gtk_button_get_type ()); +} + + +static void +init (EDropdownButton *dropdown_button) +{ + EDropdownButtonPrivate *priv; + + priv = g_new (EDropdownButtonPrivate, 1); + priv->accel_group = gtk_accel_group_new (); + priv->menu = NULL; + + dropdown_button->priv = priv; +} + + +void +e_dropdown_button_construct (EDropdownButton *dropdown_button, + const char *label_text, + GtkMenu *menu, + GnomeUIInfo *ui_info, + void *data) +{ + EDropdownButtonPrivate *priv; + GtkWidget *hbox; + GtkWidget *arrow; + GtkWidget *label; + unsigned int accel_key; + + g_return_if_fail (dropdown_button != NULL); + g_return_if_fail (E_IS_DROPDOWN_BUTTON (dropdown_button)); + g_return_if_fail (label_text != NULL); + g_return_if_fail (menu != NULL); + g_return_if_fail (GTK_IS_MENU (menu)); + g_return_if_fail (ui_info != NULL); + + priv = dropdown_button->priv; + + hbox = gtk_hbox_new (FALSE, 2); + gtk_container_add (GTK_CONTAINER (dropdown_button), hbox); + gtk_widget_show (hbox); + + label = gtk_label_new (""); + accel_key = gtk_label_parse_uline (GTK_LABEL (label), label_text); + gtk_box_pack_start (GTK_BOX (hbox), label, TRUE, TRUE, 0); + gtk_widget_show (label); + gtk_widget_add_accelerator (GTK_WIDGET (dropdown_button), "clicked", + priv->accel_group, accel_key, GDK_MOD1_MASK, 0); + + arrow = gtk_arrow_new (GTK_ARROW_DOWN, GTK_SHADOW_OUT); + gtk_box_pack_start (GTK_BOX (hbox), arrow, FALSE, FALSE, 2); + gtk_widget_show (arrow); + + priv->menu = GTK_WIDGET (menu); + gnome_app_fill_menu_with_data (GTK_MENU_SHELL (priv->menu), ui_info, + priv->accel_group, TRUE, 0, data); +} + +/** + * e_dropdown_button_new: + * @label_text: + * @menu: + * @ui_info: + * @data: + * + * Create a new dropdown button. + * + * Return value: + **/ +GtkWidget * +e_dropdown_button_new (const char *label_text, + GtkMenu *menu, + GnomeUIInfo *ui_info, + void *data) +{ + GtkWidget *widget; + + g_return_val_if_fail (label_text != NULL, NULL); + g_return_val_if_fail (menu != NULL, NULL); + g_return_val_if_fail (GTK_IS_MENU (menu), NULL); + g_return_val_if_fail (ui_info != NULL, NULL); + + widget = gtk_type_new (e_dropdown_button_get_type ()); + + e_dropdown_button_construct (E_DROPDOWN_BUTTON (widget), label_text, menu, ui_info, data); + + return widget; +} + + +E_MAKE_TYPE (e_dropdown_button, "EDropdownButton", EDropdownButton, class_init, init, PARENT_TYPE) diff --git a/widgets/misc/e-dropdown-button.h b/widgets/misc/e-dropdown-button.h new file mode 100644 index 0000000000..4abf36b766 --- /dev/null +++ b/widgets/misc/e-dropdown-button.h @@ -0,0 +1,78 @@ +/* -*- Mode: C; indent-tabs-mode: t; c-basic-offset: 8; tab-width: 8 -*- */ +/* e-dropdown-menu.h + * + * Copyright (C) 2001 Ximian, 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., 59 Temple Place - Suite 330, + * Boston, MA 02111-1307, USA. + * + * Author: Ettore Perazzoli + */ + +#ifndef _E_DROPDOWN_BUTTON_H_ +#define _E_DROPDOWN_BUTTON_H_ + +#ifdef HAVE_CONFIG_H +#include <config.h> +#endif + +#include <gtk/gtkbutton.h> +#include <gtk/gtkmenu.h> + +#include <gnome.h> + +#ifdef __cplusplus +extern "C" { +#pragma } +#endif /* __cplusplus */ + +#define E_TYPE_DROPDOWN_BUTTON (e_dropdown_button_get_type ()) +#define E_DROPDOWN_BUTTON(obj) (GTK_CHECK_CAST ((obj), E_TYPE_DROPDOWN_BUTTON, EDropdownButton)) +#define E_DROPDOWN_BUTTON_CLASS(klass) (GTK_CHECK_CLASS_CAST ((klass), E_TYPE_DROPDOWN_BUTTON, EDropdownButtonClass)) +#define E_IS_DROPDOWN_BUTTON(obj) (GTK_CHECK_TYPE ((obj), E_TYPE_DROPDOWN_BUTTON)) +#define E_IS_DROPDOWN_BUTTON_CLASS(klass) (GTK_CHECK_CLASS_TYPE ((obj), E_TYPE_DROPDOWN_BUTTON)) + + +typedef struct _EDropdownButton EDropdownButton; +typedef struct _EDropdownButtonPrivate EDropdownButtonPrivate; +typedef struct _EDropdownButtonClass EDropdownButtonClass; + +struct _EDropdownButton { + GtkButton parent; + + EDropdownButtonPrivate *priv; +}; + +struct _EDropdownButtonClass { + GtkButtonClass parent_class; +}; + + +GtkType e_dropdown_button_get_type (void); +void e_dropdown_button_construct (EDropdownButton *dropdown_button, + const char *label_text, + GtkMenu *menu, + GnomeUIInfo *ui_info, + void *data); +GtkWidget *e_dropdown_button_new (const char *label_text, + GtkMenu *menu, + GnomeUIInfo *ui_info, + void *data); + +#ifdef __cplusplus +} +#endif /* __cplusplus */ + +#endif /* _E_DROPDOWN_BUTTON_H_ */ diff --git a/widgets/misc/test-dropdown-button.c b/widgets/misc/test-dropdown-button.c new file mode 100644 index 0000000000..e5052d52a5 --- /dev/null +++ b/widgets/misc/test-dropdown-button.c @@ -0,0 +1,94 @@ +/* -*- Mode: C; indent-tabs-mode: t; c-basic-offset: 8; tab-width: 8 -*- */ +/* e-dropdown-menu.c + * + * Copyright (C) 2001 Ximian, 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., 59 Temple Place - Suite 330, + * Boston, MA 02111-1307, USA. + * + * Authors: + * Ettore Perazzoli <ettore@ximian.com> + * Damon Chaplin <damon@ximian.com> + */ + +#ifdef HAVE_CONFIG_H +#include <config.h> +#endif + +#include <gnome.h> + +#include "e-dropdown-button.h" + + +/* (The following is shameless stolen from `testgnome.c'. */ + +static void +item_activated (GtkWidget *widget, + void *data) +{ + printf ("%s activated.\n", (char *) data); +} + +static GnomeUIInfo ui_info[] = { + { GNOME_APP_UI_ITEM, "_New", "Create a new file", item_activated, "file/new", NULL, + GNOME_APP_PIXMAP_STOCK, GNOME_STOCK_MENU_NEW, 'n', GDK_CONTROL_MASK, NULL }, + { GNOME_APP_UI_ITEM, "_Open...", "Open an existing file", item_activated, "file/open", NULL, + GNOME_APP_PIXMAP_STOCK, GNOME_STOCK_MENU_OPEN, 'o', GDK_CONTROL_MASK, NULL }, + { GNOME_APP_UI_ITEM, "_Save", "Save the current file", item_activated, "file/save", NULL, + GNOME_APP_PIXMAP_STOCK, GNOME_STOCK_MENU_SAVE, 's', GDK_CONTROL_MASK, NULL }, + { GNOME_APP_UI_ITEM, "Save _as...", "Save the current file with a new name", item_activated, "file/save as", NULL, + GNOME_APP_PIXMAP_STOCK, GNOME_STOCK_MENU_SAVE_AS, 0, 0, NULL }, + + GNOMEUIINFO_SEPARATOR, + + { GNOME_APP_UI_ITEM, "_Print...", "Print the current file", item_activated, "file/print", NULL, + GNOME_APP_PIXMAP_STOCK, GNOME_STOCK_MENU_PRINT, 'p', GDK_CONTROL_MASK, NULL }, + + GNOMEUIINFO_SEPARATOR, + + { GNOME_APP_UI_ITEM, "_Close", "Close the current file", item_activated, "file/close", NULL, + GNOME_APP_PIXMAP_STOCK, GNOME_STOCK_MENU_CLOSE, 0, 0, NULL }, + { GNOME_APP_UI_ITEM, "E_xit", "Exit the program", item_activated, "file/exit", NULL, + GNOME_APP_PIXMAP_STOCK, GNOME_STOCK_MENU_EXIT, 'q', GDK_CONTROL_MASK, NULL }, + GNOMEUIINFO_END +}; + + +int +main (int argc, char **argv) +{ + GtkWidget *window; + GtkWidget *menu; + GtkWidget *dropdown_button; + + gnome_init ("test-dropdown-button", "0.0", argc, argv); + + window = gtk_window_new (GTK_WINDOW_TOPLEVEL); + gtk_window_set_default_size (GTK_WINDOW (window), 1, 1); + + menu = gtk_menu_new (); + + gnome_app_fill_menu (GTK_MENU_SHELL (menu), ui_info, NULL, TRUE, 0); + + dropdown_button = e_dropdown_button_new ("Me_nu", GTK_MENU (menu), ui_info, NULL); + gtk_container_add (GTK_CONTAINER (window), dropdown_button); + + gtk_widget_show (window); + gtk_widget_show (dropdown_button); + + gtk_main (); + + return 0; +} |