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/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
/* test-reflow.c
*
* Copyright (C) 2000 Helix Code, Inc.
* Author: Chris Lahey <clahey@helixcode.com>
*
* 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, 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.
*/
#include "config.h"
#include <gnome.h>
#include "e-canvas.h"
#include "e-reflow.h"
#include "e-minicard.h"
/* This is a horrible thing to do, but it is just a test. */
GnomeCanvasItem *reflow;
GnomeCanvasItem *rect;
GtkAllocation last_alloc;
static void destroy_callback(GtkWidget *app, gpointer data)
{
exit(0);
}
static void allocate_callback(GtkWidget *canvas, GtkAllocation *allocation, gpointer data)
{
double width;
last_alloc = *allocation;
gnome_canvas_item_set( reflow,
"height", (double) allocation->height,
NULL );
gtk_object_get(GTK_OBJECT(reflow),
"width", &width,
NULL);
width = MAX(width, allocation->width);
gnome_canvas_set_scroll_region(GNOME_CANVAS( canvas ), 0, 0, width, allocation->height );
gnome_canvas_item_set( rect,
"x2", (double) width,
"y2", (double) allocation->height,
NULL );
}
static void resize(GnomeCanvasItem *item, gpointer data)
{
double width;
gtk_object_get(GTK_OBJECT(reflow),
"width", &width,
NULL);
width = MAX(width, last_alloc.width);
gnome_canvas_set_scroll_region(item->canvas , 0, 0, width, last_alloc.height );
gnome_canvas_item_set( rect,
"x2", (double) width,
"y2", (double) last_alloc.height,
NULL );
}
static void about_callback( GtkWidget *widget, gpointer data )
{
const gchar *authors[] =
{
"Christopher James Lahey <clahey@umich.edu>",
NULL
};
GtkWidget *about =
gnome_about_new ( _( "Reflow Test" ), VERSION,
_( "Copyright (C) 2000, Helix Code, Inc." ),
authors,
_( "This should test the reflow canvas item" ),
NULL);
gtk_widget_show (about);
}
int main( int argc, char *argv[] )
{
GtkWidget *app;
GtkWidget *canvas;
GtkWidget *vbox;
GtkWidget *scrollbar;
int i;
/* bindtextdomain (PACKAGE, GNOMELOCALEDIR);
textdomain (PACKAGE);*/
gnome_init( "Reflow Test", VERSION, argc, argv);
app = gnome_app_new("Reflow Test", NULL);
vbox = gtk_vbox_new(FALSE, 0);
canvas = e_canvas_new();
rect = gnome_canvas_item_new( gnome_canvas_root( GNOME_CANVAS( canvas ) ),
gnome_canvas_rect_get_type(),
"x1", (double) 0,
"y1", (double) 0,
"x2", (double) 100,
"y2", (double) 100,
"fill_color", "white",
NULL );
reflow = gnome_canvas_item_new( gnome_canvas_root( GNOME_CANVAS( canvas ) ),
e_reflow_get_type(),
"x", (double) 0,
"y", (double) 0,
"height", (double) 100,
NULL );
gtk_signal_connect( GTK_OBJECT( reflow ), "resize",
GTK_SIGNAL_FUNC( resize ),
( gpointer ) app);
for ( i = 0; i < 200; i++ )
{
GnomeCanvasItem *item;
item = gnome_canvas_item_new( GNOME_CANVAS_GROUP(reflow),
e_minicard_get_type(),
NULL);
e_reflow_add_item(E_REFLOW(reflow), item);
}
gnome_canvas_set_scroll_region ( GNOME_CANVAS( canvas ),
0, 0,
100, 100 );
gtk_box_pack_start(GTK_BOX(vbox), canvas, TRUE, TRUE, 0);
scrollbar = gtk_hscrollbar_new(gtk_layout_get_hadjustment(GTK_LAYOUT(canvas)));
gtk_box_pack_start(GTK_BOX(vbox), scrollbar, FALSE, FALSE, 0);
gnome_app_set_contents( GNOME_APP( app ), vbox );
/* Connect the signals */
gtk_signal_connect( GTK_OBJECT( app ), "destroy",
GTK_SIGNAL_FUNC( destroy_callback ),
( gpointer ) app );
gtk_signal_connect( GTK_OBJECT( canvas ), "size_allocate",
GTK_SIGNAL_FUNC( allocate_callback ),
( gpointer ) app );
gtk_widget_show_all( app );
gdk_window_set_back_pixmap( GTK_LAYOUT(canvas)->bin_window, NULL, FALSE);
gtk_main();
/* Not reached. */
return 0;
}
|
