1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/src/gtkui/gtk_dump.c	Sun Jul 05 13:52:50 2009 +1000
     1.3 @@ -0,0 +1,256 @@
     1.4 +/**
     1.5 + * $Id$
     1.6 + *
     1.7 + * Implements the memory dump window.
     1.8 + *
     1.9 + * Copyright (c) 2005 Nathan Keynes.
    1.10 + *
    1.11 + * This program is free software; you can redistribute it and/or modify
    1.12 + * it under the terms of the GNU General Public License as published by
    1.13 + * the Free Software Foundation; either version 2 of the License, or
    1.14 + * (at your option) any later version.
    1.15 + *
    1.16 + * This program is distributed in the hope that it will be useful,
    1.17 + * but WITHOUT ANY WARRANTY; without even the implied warranty of
    1.18 + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    1.19 + * GNU General Public License for more details.
    1.20 + */
    1.21 +
    1.22 +#include <ctype.h>
    1.23 +#include <assert.h>
    1.24 +#include <string.h>
    1.25 +#include <stdlib.h>
    1.26 +#include "mem.h"
    1.27 +#include "gtkui/gtkui.h"
    1.28 +
    1.29 +#define MAX_DUMP_SIZE 4096
    1.30 +
    1.31 +#define DUMP_WINDOW_TAG 0xD4B9DA7A
    1.32 +
    1.33 +struct dump_window_info {
    1.34 +    uint32_t _tag;
    1.35 +    uint32_t start;
    1.36 +    uint32_t end;
    1.37 +    int flags;
    1.38 +    unsigned char *data;
    1.39 +
    1.40 +    GtkWidget *window;
    1.41 +    GtkWidget *fromInput, *toInput;
    1.42 +    GtkWidget *textArea;
    1.43 +    GtkTextTag *changedTag;
    1.44 +    GtkTextBuffer *textBuffer;
    1.45 +    struct dump_window_info *next;
    1.46 +};
    1.47 +
    1.48 +static dump_window_t dump_list_head = NULL;
    1.49 +
    1.50 +gboolean on_dump_window_delete_event( GtkWidget *widget, GdkEvent *event,
    1.51 +                                      gpointer user_data );
    1.52 +void on_dump_window_button_view_clicked( GtkWidget *widget, gpointer user_data );
    1.53 +void dump_window_set_text( dump_window_t data, unsigned char *old_data, unsigned char *new_data );
    1.54 +
    1.55 +
    1.56 +dump_window_t dump_window_new( const gchar *title )
    1.57 +{
    1.58 +    GtkWidget *vbox3;
    1.59 +    GtkWidget *hbox2;
    1.60 +    GtkWidget *dump_view_button;
    1.61 +    GtkWidget *scrolledwindow9;
    1.62 +
    1.63 +    dump_window_t dump = g_malloc0( sizeof( struct dump_window_info ) );
    1.64 +
    1.65 +    dump->_tag = DUMP_WINDOW_TAG;
    1.66 +    dump->next = dump_list_head;
    1.67 +    dump_list_head = dump;
    1.68 +    dump->data = NULL;
    1.69 +    dump->start = 0;
    1.70 +    dump->end = 0;
    1.71 +    dump->window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
    1.72 +    gtk_window_set_title (GTK_WINDOW (dump->window), _("Memory dump"));
    1.73 +
    1.74 +    vbox3 = gtk_vbox_new (FALSE, 0);
    1.75 +    gtk_container_add (GTK_CONTAINER (dump->window), vbox3);
    1.76 +
    1.77 +    hbox2 = gtk_hbox_new (FALSE, 0);
    1.78 +    dump->fromInput = gtk_entry_new ();
    1.79 +    gtk_entry_set_text( GTK_ENTRY(dump->fromInput), "" );
    1.80 +    dump->toInput = gtk_entry_new ();
    1.81 +    gtk_entry_set_text( GTK_ENTRY(dump->toInput), "" );
    1.82 +    dump_view_button = gtk_button_new_with_mnemonic (_("View"));
    1.83 +
    1.84 +    gtk_box_pack_start (GTK_BOX (hbox2), gtk_label_new(_(" From ")), FALSE, FALSE, 0);
    1.85 +    gtk_box_pack_start (GTK_BOX (hbox2), dump->fromInput, FALSE, TRUE, 0);
    1.86 +    gtk_box_pack_start (GTK_BOX (hbox2), gtk_label_new(_(" To ")), FALSE, FALSE, 0);
    1.87 +    gtk_box_pack_start (GTK_BOX (hbox2), dump->toInput, FALSE, TRUE, 0);
    1.88 +    gtk_box_pack_start (GTK_BOX (hbox2), dump_view_button, FALSE, FALSE, 0);
    1.89 +    gtk_box_pack_start (GTK_BOX (hbox2), gtk_label_new (_("   ")), TRUE, TRUE, 0);
    1.90 +    gtk_box_pack_start (GTK_BOX (vbox3), hbox2, FALSE, TRUE, 3);
    1.91 +
    1.92 +    dump->textArea = gtk_text_view_new ();
    1.93 +    dump->textBuffer = gtk_text_buffer_new(NULL);
    1.94 +    dump->changedTag = gtk_text_buffer_create_tag(dump->textBuffer, "changed",
    1.95 +            "foreground", "blue", NULL);
    1.96 +    gtk_widget_modify_font(GTK_WIDGET(dump->textArea),gui_fixed_font);
    1.97 +    gtk_text_view_set_editable(GTK_TEXT_VIEW(dump->textArea), FALSE);
    1.98 +    gtk_text_view_set_buffer(GTK_TEXT_VIEW(dump->textArea), dump->textBuffer);
    1.99 +    scrolledwindow9 = gtk_scrolled_window_new (NULL, NULL);
   1.100 +    gtk_scrolled_window_set_shadow_type (GTK_SCROLLED_WINDOW (scrolledwindow9), GTK_SHADOW_IN);
   1.101 +    gtk_container_add (GTK_CONTAINER (scrolledwindow9), dump->textArea);
   1.102 +    gtk_box_pack_start (GTK_BOX (vbox3), scrolledwindow9, TRUE, TRUE, 0);
   1.103 +
   1.104 +    g_signal_connect (dump->window, "delete_event",
   1.105 +                      G_CALLBACK (on_dump_window_delete_event),
   1.106 +                      dump);
   1.107 +    g_signal_connect (dump_view_button, "clicked",
   1.108 +                      G_CALLBACK (on_dump_window_button_view_clicked),
   1.109 +                      dump);
   1.110 +    gtk_widget_show_all( dump->window );
   1.111 +
   1.112 +    return dump;
   1.113 +}
   1.114 +
   1.115 +void gtk_entry_set_hex_value( GtkEntry *entry, uint32_t value )
   1.116 +{
   1.117 +    char buf[10];
   1.118 +    sprintf( buf, "%08X", value );
   1.119 +    gtk_entry_set_text( entry, buf );
   1.120 +}
   1.121 +
   1.122 +uint32_t gtk_entry_get_hex_value( GtkEntry *entry, uint32_t defaultValue )
   1.123 +{
   1.124 +    const gchar *text = gtk_entry_get_text(entry);
   1.125 +    if( text == NULL )
   1.126 +        return defaultValue;
   1.127 +    gchar *endptr;
   1.128 +    uint32_t value = strtoul( text, &endptr, 16 );
   1.129 +    if( text == endptr ) { /* invalid input */
   1.130 +        value = defaultValue;
   1.131 +        gtk_entry_set_hex_value( entry, value );
   1.132 +    }
   1.133 +    return value;
   1.134 +}
   1.135 +
   1.136 +gboolean on_dump_window_delete_event( GtkWidget *widget, GdkEvent *event,
   1.137 +                                      gpointer user_data )
   1.138 +{
   1.139 +    dump_window_t data = (dump_window_t)user_data;
   1.140 +    if( data->data != NULL )
   1.141 +        free( data->data );
   1.142 +    dump_window_t node = dump_list_head;
   1.143 +    if( node == data )
   1.144 +        dump_list_head = data->next;
   1.145 +    else {
   1.146 +        while( node->next != data ) {
   1.147 +            node = node->next;
   1.148 +            assert( node != NULL );
   1.149 +        }
   1.150 +        node->next = data->next;
   1.151 +    }
   1.152 +    free( data );
   1.153 +    return FALSE;
   1.154 +}
   1.155 +
   1.156 +void on_dump_window_button_view_clicked( GtkWidget *widget, gpointer user_data )
   1.157 +{
   1.158 +    dump_window_t data = (dump_window_t)user_data;
   1.159 +    uint32_t startVal, endVal;
   1.160 +
   1.161 +    assert( data != NULL );
   1.162 +    assert( data->_tag == DUMP_WINDOW_TAG );
   1.163 +
   1.164 +    startVal = gtk_entry_get_hex_value(GTK_ENTRY(data->fromInput), data->start);
   1.165 +    endVal = gtk_entry_get_hex_value(GTK_ENTRY(data->toInput), data->end);
   1.166 +    if( startVal != data->start || endVal != data->end ) {
   1.167 +        if( startVal > endVal ) {
   1.168 +            int tmp = endVal;
   1.169 +            endVal = startVal;
   1.170 +            startVal = tmp;
   1.171 +        }
   1.172 +        if( endVal > startVal + MAX_DUMP_SIZE )
   1.173 +            endVal = startVal + MAX_DUMP_SIZE;
   1.174 +
   1.175 +        gtk_entry_set_hex_value(GTK_ENTRY(data->fromInput),startVal);
   1.176 +        gtk_entry_set_hex_value(GTK_ENTRY(data->toInput),endVal);
   1.177 +        data->start = startVal;
   1.178 +        data->end = endVal;
   1.179 +
   1.180 +        if( data->data != NULL ) {
   1.181 +            free( data->data );
   1.182 +            data->data = NULL;
   1.183 +        }
   1.184 +        if( startVal != endVal ) {
   1.185 +            data->data = malloc( endVal - startVal );
   1.186 +            mem_copy_from_sh4( data->data, startVal, endVal-startVal );
   1.187 +            dump_window_set_text( data, data->data, data->data );
   1.188 +        }
   1.189 +    }
   1.190 +}
   1.191 +
   1.192 +void dump_window_update( dump_window_t data )
   1.193 +{
   1.194 +    if( data->data == NULL )
   1.195 +        return;
   1.196 +    unsigned char tmp[data->end-data->start];
   1.197 +    int length = data->end-data->start;
   1.198 +    memcpy( tmp, data->data, length );
   1.199 +    mem_copy_from_sh4( data->data, data->start, length );
   1.200 +    dump_window_set_text( data, tmp, data->data );
   1.201 +}
   1.202 +
   1.203 +void dump_window_update_all( )
   1.204 +{
   1.205 +    dump_window_t node = dump_list_head;
   1.206 +    while( node != NULL ) {
   1.207 +        dump_window_update(node);
   1.208 +        node = node->next;
   1.209 +    }
   1.210 +}
   1.211 +
   1.212 +void dump_window_set_text( dump_window_t data, unsigned char *old_data, unsigned char *new_data )
   1.213 +{
   1.214 +    GtkTextBuffer *buf = data->textBuffer;
   1.215 +    GtkTextTag *changedTag = data->changedTag;
   1.216 +    GtkTextIter iter, endIter;
   1.217 +    int i, j, offset;
   1.218 +    /* Clear out the buffer */
   1.219 +    gtk_text_buffer_get_start_iter(buf,&iter);
   1.220 +    gtk_text_buffer_get_end_iter(buf,&endIter);
   1.221 +    gtk_text_buffer_delete(buf,&iter,&endIter);
   1.222 +    gtk_text_buffer_get_start_iter(buf,&iter);
   1.223 +
   1.224 +    for( offset = 0, i=data->start; i<data->end; i+=16, offset+=16 ) {
   1.225 +        char text[80];
   1.226 +        sprintf(text, "%08X:", i );
   1.227 +        gtk_text_buffer_insert( buf, &iter, text, 9 );
   1.228 +        for( j=0; j<16; j++ ) {
   1.229 +            if( j%4 == 0 )
   1.230 +                gtk_text_buffer_insert( buf, &iter, " ", 1 );
   1.231 +            if( i+j < data->end ) {
   1.232 +                int oldVal = ((int)old_data[offset+j])&0xFF;
   1.233 +                int newVal = ((int)new_data[offset+j])&0xFF;
   1.234 +                sprintf(text, "%02X ", newVal);
   1.235 +                if( oldVal == newVal )
   1.236 +                    gtk_text_buffer_insert( buf, &iter, text, 3 );
   1.237 +                else
   1.238 +                    gtk_text_buffer_insert_with_tags( buf, &iter, text, 3,
   1.239 +                            changedTag, NULL );
   1.240 +            } else {
   1.241 +                gtk_text_buffer_insert( buf, &iter, "   ", 3 );
   1.242 +            }
   1.243 +        }
   1.244 +        gtk_text_buffer_insert( buf, &iter, "  ", 2 );
   1.245 +        for( j=0; j<16 && i+j < data->end; j++ ) {
   1.246 +            int oldVal = ((int)old_data[offset+j])&0xFF;
   1.247 +            int newVal = ((int)new_data[offset+j])&0xFF;
   1.248 +            if( isprint(newVal) )
   1.249 +                sprintf( text, "%c", newVal );
   1.250 +            else strcpy( text, "." );
   1.251 +            if( oldVal == newVal )
   1.252 +                gtk_text_buffer_insert( buf, &iter, text, 1 );
   1.253 +            else
   1.254 +                gtk_text_buffer_insert_with_tags( buf, &iter, text, 1,
   1.255 +                        changedTag, NULL );
   1.256 +        }
   1.257 +        gtk_text_buffer_insert( buf, &iter, "\n", 1 );
   1.258 +    }
   1.259 +}