/home/laradmin/lar/perception/planarobstacles/mtt/src/gvplugin_xgtk.cpp

Go to the documentation of this file.

/**************************************************************************************************
 Software License Agreement (BSD License)

 Copyright (c) 2011-2013, LAR toolkit developers - University of Aveiro - http://lars.mec.ua.pt
 All rights reserved.

 Redistribution and use in source and binary forms, with or without modification, are permitted
 provided that the following conditions are met:

  *Redistributions of source code must retain the above copyright notice, this list of
   conditions and the following disclaimer.
  *Redistributions in binary form must reproduce the above copyright notice, this list of
   conditions and the following disclaimer in the documentation and/or other materials provided
   with the distribution.
  *Neither the name of the University of Aveiro nor the names of its contributors may be used to
   endorse or promote products derived from this software without specific prior written permission.
 
 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
 IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
 FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
 CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
 IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
 OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
***************************************************************************************************/
#include <gtk/gtk.h>

#include <graphviz/gvc.h>
#include <graphviz/gvplugin.h>
#include <graphviz/gvplugin_device.h>
#include <graphviz/types.h>

#include <inttypes.h>

#include <cairo.h>

#include <iostream>

#include <X11/Xlib.h>
#include <X11/Xutil.h>

#include <signal.h>
#include <unistd.h>
#include <sys/time.h>
#include <stdio.h>
#include <string.h>

#include "callbacks.h"

#define GLADE_HOOKUP_OBJECT(component,widget,name) \
  g_object_set_data_full (G_OBJECT (component), name, \
    gtk_widget_ref (widget), (GDestroyNotify) gtk_widget_unref)

#define GLADE_HOOKUP_OBJECT_NO_REF(component,widget,name) \
  g_object_set_data (G_OBJECT (component), name, widget)

GtkWidget*lookup_widget(GtkWidget*widget,const gchar*widget_name)
{
        GtkWidget *parent, *found_widget;

        for (;;)
        {
                if (GTK_IS_MENU (widget))
                        parent = gtk_menu_get_attach_widget (GTK_MENU (widget));
                else
                        parent = widget->parent;
                
                if (!parent)
                        parent = (GtkWidget*) g_object_get_data (G_OBJECT (widget), "GladeParentKey");
                
                if (parent == NULL)
                        break;
                
                widget = parent;
        }

        found_widget = (GtkWidget*) g_object_get_data (G_OBJECT (widget),widget_name);
        
        if (!found_widget)
                g_warning ("Widget not found: %s", widget_name);
        
        return found_widget;
}

GtkWidget*create_window(void)
{
        GtkWidget *window;
        GtkWidget *drawingarea;

        window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
        gtk_window_set_title (GTK_WINDOW (window), "Tree Graph");

        drawingarea = gtk_drawing_area_new ();
        gtk_widget_show (drawingarea);  
        gtk_widget_set_size_request (drawingarea, 800, 800);
        gtk_container_add (GTK_CONTAINER (window), drawingarea);

        g_signal_connect ((gpointer) window, "delete_event",G_CALLBACK (WindowDeleteEvent),NULL);
        g_signal_connect ((gpointer) drawingarea, "expose_event",G_CALLBACK (DrawingareaExposeEvent),NULL);
        g_signal_connect ((gpointer) drawingarea, "motion_notify_event",G_CALLBACK (DrawingareaMotionNotifyEvent),NULL);
        g_signal_connect ((gpointer) drawingarea, "configure_event",G_CALLBACK (DrawingareaConfigureEvent),NULL);
        g_signal_connect ((gpointer) drawingarea, "button-press-event",G_CALLBACK (DrawingareaButtonPressEvent),NULL);
        g_signal_connect ((gpointer) drawingarea, "button-release-event",G_CALLBACK (DrawingareaButtonPressEvent),NULL);
        g_signal_connect ((gpointer) drawingarea, "scroll-event",G_CALLBACK (DrawingareaScrollEvent),NULL);

        gtk_widget_set_events (drawingarea, GDK_ENTER_NOTIFY_MASK |GDK_EXPOSURE_MASK | GDK_LEAVE_NOTIFY_MASK | GDK_BUTTON_PRESS_MASK | GDK_BUTTON_RELEASE_MASK | GDK_POINTER_MOTION_MASK | GDK_POINTER_MOTION_HINT_MASK);
                                                                                                                 
        /* Store pointers to all widgets, for use by lookup_widget(). */
        GLADE_HOOKUP_OBJECT_NO_REF (window, window, "window");
        GLADE_HOOKUP_OBJECT (window, drawingarea, "drawingarea");

        return window;
}

gboolean Redraw(gpointer data)
{
        GtkWidget*window=(GtkWidget*)data;
        GtkWidget*drawingarea = lookup_widget (window, "drawingarea");
        
        if(drawGraph())
                gdk_window_invalidate_rect(drawingarea->window,&drawingarea->allocation,FALSE);
        return 1;
}

static void gtk_initialize(GVJ_t *firstjob)
{
        Display *dpy;
    const char *display_name = NULL;
    int scr;

        gtk_set_locale ();
    gtk_init (NULL, NULL);

        dpy = XOpenDisplay(display_name);
    if (dpy == NULL) {
        fprintf(stderr, "Failed to open XLIB display: %s\n",
                XDisplayName(NULL));
        return;
    }
    scr = DefaultScreen(dpy);
        
        firstjob->device_dpi.x = DisplayWidth(dpy, scr) * 25.4 / DisplayWidthMM(dpy, scr);
    firstjob->device_dpi.y = DisplayHeight(dpy, scr) * 25.4 / DisplayHeightMM(dpy, scr);
        
    firstjob->device_sets_dpi = TRUE;
}

static void gtk_finalize(GVJ_t *firstjob)
{
    GVJ_t *job;
    GtkWidget *window, *drawingarea;
        
    for (job = firstjob; job; job = job->next_active)
        {
                window = create_window();

                g_object_set_data(G_OBJECT(window), "job", (gpointer) job);

                drawingarea = lookup_widget (window, "drawingarea");
                g_object_set_data(G_OBJECT(drawingarea), "job", (gpointer) job);
                
                g_timeout_add(50,Redraw,window);
                
                gtk_widget_show (window);
    }
    
    gtk_main();
}

static gvdevice_engine_t device_engine_xgtk = {
    gtk_initialize,
    NULL,                       /* gtk_format */
    gtk_finalize,
};

static gvdevice_features_t device_features_xgtk = {
    GVDEVICE_DOES_TRUECOLOR     | GVDEVICE_EVENTS ,      /* flags */
    {0.,0.},                    /* default margin - points */
    {100.,100.},                    /* default page width, height - points */
    {96.,96.},                  /* dpi */
};

gvplugin_installed_t gvdevice_types_xgtk[] = {
    {0,(char*)"xgtk:cairo", 0, &device_engine_xgtk, &device_features_xgtk},
    {0, NULL, 0, NULL, NULL}
};

static gvplugin_api_t apis[] = {
    {API_device, gvdevice_types_xgtk},
    {(api_t)0, 0},
};

gvplugin_library_t gvplugin_xgtk_LTX_library = {(char*)"xgtk", apis };

---

mtt
Author(s): Jorge Almeida
autogenerated on Wed Jul 23 04:34:56 2014