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gnucash/lib/goffice/gui-utils/go-gui-utils.c

164 lines
4.2 KiB

/* vim: set sw=8: -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
/*
* go-gui-utils.c: Misc gtk utilities
*
* Copyright (C) 2004 Jody Goldberg (jody@gnome.org)
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of version 2 of the GNU General Public
* License 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 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 <goffice/goffice-config.h>
#include "go-gui-utils.h"
/* ------------------------------------------------------------------------- */
/**
* go_gtk_button_new_with_stock_image
*
* Code from gedit
*
* Creates a new GtkButton with custom label and stock image.
*
* text : button label
* sotck_id : id for stock icon
*
* return : newly created button
*
**/
GtkWidget*
go_gtk_button_new_with_stock_image (char const *text, char const* stock_id)
{
GtkWidget *button;
GtkStockItem item;
GtkWidget *label;
GtkWidget *image;
GtkWidget *hbox;
GtkWidget *align;
button = gtk_button_new ();
if (GTK_BIN (button)->child)
gtk_container_remove (GTK_CONTAINER (button),
GTK_BIN (button)->child);
if (gtk_stock_lookup (stock_id, &item)) {
label = gtk_label_new_with_mnemonic (text);
gtk_label_set_mnemonic_widget (GTK_LABEL (label), GTK_WIDGET (button));
image = gtk_image_new_from_stock (stock_id, GTK_ICON_SIZE_BUTTON);
hbox = gtk_hbox_new (FALSE, 2);
align = gtk_alignment_new (0.5, 0.5, 0.0, 0.0);
gtk_box_pack_start (GTK_BOX (hbox), image, FALSE, FALSE, 0);
gtk_box_pack_end (GTK_BOX (hbox), label, FALSE, FALSE, 0);
gtk_container_add (GTK_CONTAINER (button), align);
gtk_container_add (GTK_CONTAINER (align), hbox);
gtk_widget_show_all (align);
return button;
}
label = gtk_label_new_with_mnemonic (text);
gtk_label_set_mnemonic_widget (GTK_LABEL (label), GTK_WIDGET (button));
gtk_misc_set_alignment (GTK_MISC (label), 0.5, 0.5);
gtk_widget_show (label);
gtk_container_add (GTK_CONTAINER (button), label);
return button;
}
/**
* go_libglade_new :
* @gcc : #GOCmdContext
* @gladefile :
*
* Simple utility to open glade files
**/
GladeXML *
go_libglade_new (char const *gladefile, char const *root,
char const *domain, GOCmdContext *gcc)
{
GladeXML *gui;
char *f;
g_return_val_if_fail (gladefile != NULL, NULL);
if (!g_path_is_absolute (gladefile)) {
char *d = gnm_sys_glade_dir ();
f = g_build_filename (d, gladefile, NULL);
g_free (d);
} else
f = g_strdup (gladefile);
gui = glade_xml_new (f, root, domain);
if (gui == NULL && gcc != NULL) {
char *msg = g_strdup_printf (_("Unable to open file '%s'"), f);
go_cmd_context_error_system (gcc, msg);
g_free (msg);
}
g_free (f);
return gui;
}
/**
* go_editable_enters:
* @window: dialog to affect.
* @editable: Editable to affect.
*
* Normally if there's an editable widget (such as #GtkEntry) in your
* dialog, pressing Enter will activate the editable rather than the
* default dialog button. However, in most cases, the user expects to
* type something in and then press enter to close the dialog. This
* function enables that behavior.
**/
void
go_editable_enters (GtkWindow *window, GtkWidget *w)
{
g_return_if_fail (GTK_IS_WINDOW (window));
g_signal_connect_swapped (G_OBJECT (w),
"activate",
G_CALLBACK (gtk_window_activate_default), window);
}
GdkPixbuf *
go_pixbuf_intelligent_scale (GdkPixbuf *buf, guint width, guint height)
{
GdkPixbuf *scaled;
int w, h;
unsigned long int ow = gdk_pixbuf_get_width (buf);
unsigned long int oh = gdk_pixbuf_get_height (buf);
if (ow > width || oh > height) {
if (ow * height > oh * width) {
w = width;
h = width * (((double)oh)/(double)ow);
} else {
h = height;
w = height * (((double)ow)/(double)oh);
}
scaled = gdk_pixbuf_scale_simple (buf, w, h, GDK_INTERP_BILINEAR);
} else
scaled = g_object_ref (buf);
return scaled;
}