path: root/e-util/e-gui-utils.c

/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
/*
 * GUI utility functions
 *
 * Author:
 *   Miguel de Icaza (miguel@helixcode.com)
 *
 * (C) 1999 Miguel de Icaza
 * (C) 2000 Helix Code, Inc.
 */
#include <config.h>

#include "e-gui-utils.h"

#include <glib.h>
#include <gtk/gtksignal.h>
#include <gtk/gtkalignment.h>
#include <libgnome/gnome-defs.h>
#include <libgnome/gnome-util.h>
#include <gdk-pixbuf/gdk-pixbuf.h>
#include <gdk-pixbuf/gnome-canvas-pixbuf.h>
#include <bonobo/bonobo-ui-util.h>

GtkWidget *e_create_image_widget(gchar *name,
                 gchar *string1, gchar *string2,
                 gint int1, gint int2)
{
    char *filename;
    GdkPixbuf *pixbuf;
    double width, height;
    GtkWidget *canvas, *alignment;
    if (string1) {
        if (*string1 == '/')
            filename = g_strdup(string1);
        else
            filename = g_concat_dir_and_file(EVOLUTION_IMAGES, string1);
        pixbuf = gdk_pixbuf_new_from_file(filename);
        width = gdk_pixbuf_get_width(pixbuf);
        height = gdk_pixbuf_get_height(pixbuf);

        canvas = gnome_canvas_new_aa();
        GTK_OBJECT_UNSET_FLAGS(GTK_WIDGET(canvas), GTK_CAN_FOCUS);
        gnome_canvas_item_new(gnome_canvas_root(GNOME_CANVAS(canvas)),
                      gnome_canvas_pixbuf_get_type(),
                      "pixbuf", pixbuf,
                      NULL);

        alignment = gtk_widget_new(gtk_alignment_get_type(),
                       "child", canvas,
                       "xalign", (double) 0,
                       "yalign", (double) 0,
                       "xscale", (double) 0,
                       "yscale", (double) 0,
                       NULL);
    
        gtk_widget_set_usize(canvas, width, height);

        gdk_pixbuf_unref(pixbuf);

        gtk_widget_show(canvas);
        gtk_widget_show(alignment);
        g_free(filename);

        return alignment;
    } else
        return NULL;
}

static GSList *inited_arrays=NULL;

static void
free_pixmaps (void)
{
    int i;
    GSList *li;

    for (li = inited_arrays; li != NULL; li = li->next) {
        EPixmap *pixcache = li->data;
        for (i = 0; pixcache [i].path; i++)
            g_free (pixcache [i].pixbuf);
    }
    
    g_slist_free(inited_arrays);
}

void e_pixmaps_update (BonoboUIComponent *uic, EPixmap *pixcache)
{
    static int done_init = 0;
    int i;

    if (!done_init) {
        g_atexit (free_pixmaps);
        done_init = 1;
    }

    if (g_slist_find(inited_arrays, pixcache) == NULL)
        inited_arrays = g_slist_prepend (inited_arrays, pixcache);

    for (i = 0; pixcache [i].path; i++) {
        if (!pixcache [i].pixbuf) {
            char *path;
            GdkPixbuf *pixbuf;

            path = g_concat_dir_and_file (EVOLUTION_IMAGES,
                              pixcache [i].fname);
            
            pixbuf = gdk_pixbuf_new_from_file (path);
            if (pixbuf == NULL) {
                g_warning ("Cannot load image -- %s", path);
            } else {
                pixcache [i].pixbuf = bonobo_ui_util_pixbuf_to_xml (pixbuf);
                gdk_pixbuf_unref (pixbuf);
            }
            
            g_free (path);
        }
        bonobo_ui_component_set_prop (uic, pixcache [i].path, "pixname",
                          pixcache [i].pixbuf, NULL);
    }
}