gui.c

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/*************************************************************************
 * Copyright (c) 2011 AT&T Intellectual Property 
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * https://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors: Details at https://graphviz.org
 *************************************************************************/
 
#include <assert.h>
#include <stdio.h>
#include <stdlib.h>
#include "gui.h"
#include <glade/glade.h>
#include <gdk/gdkkeysyms.h>
#include <gdk/gdk.h>
#include "viewport.h"
#include <cgraph/alloc.h>
#include <cgraph/strview.h>
 
GladeXML *xml;                  //global libglade vars
GtkWidget *gladewidget;
 
void Color_Widget_bg(char *colorstring, GtkWidget * widget)
{
    GdkColor color;
    gdk_color_parse(colorstring, &color);
    gtk_widget_modify_bg(widget, GTK_STATE_NORMAL, &color);
    gtk_widget_modify_base(widget, GTK_STATE_NORMAL, &color);
}
 
void load_graph_properties(void) {
    //dlgOpenGraph , GtkDialog
    gtk_entry_set_text((GtkEntry *)
                       glade_xml_get_widget(xml, "entryGraphFileName"),
                       view->Topview->Graphdata.GraphFileName);
}
 
void show_gui_warning(char *str)
{
    Dlg = (GtkMessageDialog *) gtk_message_dialog_new(NULL,
                                                      GTK_DIALOG_MODAL,
                                                      GTK_MESSAGE_WARNING,
                                                      GTK_BUTTONS_OK, "%s", str);
 
    gtk_dialog_run((GtkDialog *) Dlg);
    gtk_object_destroy((GtkObject *) Dlg);
}
 
 
 
/*
Generic Open File dialog, if a file is selected and return value is 1, else 0
file name is copied to char* filename,which should be allocated before using the function
*/
int openfiledlg(char **filename) {
    assert(filename != NULL);
 
    GtkWidget *dialog;
    int rv;
 
    dialog = gtk_file_chooser_dialog_new("Open File",
                                         NULL,
                                         GTK_FILE_CHOOSER_ACTION_OPEN,
                                         GTK_STOCK_CANCEL,
                                         GTK_RESPONSE_CANCEL,
                                         GTK_STOCK_OPEN,
                                         GTK_RESPONSE_ACCEPT, NULL);
 
    if (gtk_dialog_run(GTK_DIALOG(dialog)) == GTK_RESPONSE_ACCEPT) {
        *filename = gtk_file_chooser_get_filename(GTK_FILE_CHOOSER(dialog));
        rv = 1;
    } else
        rv = 0;
 
    gtk_widget_destroy(dialog);
    return rv;
}
 
int savefiledlg(char **filename) {
    assert(filename != NULL);
 
    GtkWidget *dialog;
    int rv;
 
    dialog = gtk_file_chooser_dialog_new("Save File",
                                         NULL,
                                         GTK_FILE_CHOOSER_ACTION_OPEN,
                                         GTK_STOCK_CANCEL,
                                         GTK_RESPONSE_CANCEL,
                                         GTK_STOCK_OPEN,
                                         GTK_RESPONSE_ACCEPT, NULL);
 
    if (gtk_dialog_run(GTK_DIALOG(dialog)) == GTK_RESPONSE_ACCEPT) {
        *filename = gtk_file_chooser_get_filename(GTK_FILE_CHOOSER(dialog));
        rv = 1;
    } else
        rv = 0;
 
    gtk_widget_destroy(dialog);
    return rv;
}
 
void append_textview(GtkTextView * textv, const char *s, size_t bytes)
{
 
    GtkTextIter endit;
    GtkTextBuffer *gtkbuf;
    /*get text view buffer */
    gtkbuf = gtk_text_view_get_buffer(textv);
    /*set iterator to the end of the buffer */
    gtk_text_buffer_get_end_iter(gtkbuf, &endit);
    /* insert buf to the end */
    gtk_text_buffer_insert(gtkbuf, &endit, s, (gint)bytes);
 
}