nkeynes@2: /**
nkeynes@484:  * $Id: dump_win.c,v 1.7 2007-10-31 12:23:19 nkeynes Exp $
nkeynes@31:  *
nkeynes@2:  * Implements the memory dump window.
nkeynes@31:  *
nkeynes@31:  * Copyright (c) 2005 Nathan Keynes.
nkeynes@31:  *
nkeynes@31:  * This program is free software; you can redistribute it and/or modify
nkeynes@31:  * it under the terms of the GNU General Public License as published by
nkeynes@31:  * the Free Software Foundation; either version 2 of the License, or
nkeynes@31:  * (at your option) any later version.
nkeynes@31:  *
nkeynes@31:  * This program is distributed in the hope that it will be useful,
nkeynes@31:  * but WITHOUT ANY WARRANTY; without even the implied warranty of
nkeynes@31:  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
nkeynes@31:  * GNU General Public License for more details.
nkeynes@2:  */
nkeynes@31: 
nkeynes@2: #include <ctype.h>
nkeynes@2: #include <assert.h>
nkeynes@484: #include <string.h>
nkeynes@484: #include <glib/gi18n.h>
nkeynes@2: #include "mem.h"
nkeynes@435: #include "gui/gtkui.h"
nkeynes@2: 
nkeynes@2: #define MAX_DUMP_SIZE 4096
nkeynes@2: 
nkeynes@457: #define DUMP_WINDOW_TAG 0xD4B9DA7A
nkeynes@2: 
nkeynes@457: struct dump_window_info {
nkeynes@2:     uint32_t _tag;
nkeynes@2:     uint32_t start;
nkeynes@2:     uint32_t end;
nkeynes@2:     int flags;
nkeynes@430:     unsigned char *data;
nkeynes@2: 
nkeynes@457:     GtkWidget *window;
nkeynes@457:     GtkWidget *fromInput, *toInput;
nkeynes@457:     GtkWidget *textArea;
nkeynes@2:     GtkTextTag *changedTag;
nkeynes@2:     GtkTextBuffer *textBuffer;
nkeynes@457:     struct dump_window_info *next;
nkeynes@457: };
nkeynes@2: 
nkeynes@457: static dump_window_t dump_list_head = NULL;
nkeynes@2: 
nkeynes@455: gboolean on_dump_window_delete_event( GtkWidget *widget, GdkEvent *event,
nkeynes@2:                                    gpointer user_data );
nkeynes@455: void on_dump_window_button_view_clicked( GtkWidget *widget, gpointer user_data );
nkeynes@457: void dump_window_set_text( dump_window_t data, unsigned char *old_data, unsigned char *new_data );
nkeynes@2: 
nkeynes@2: 
nkeynes@457: dump_window_t dump_window_new( const gchar *title )
nkeynes@457: {
nkeynes@457:     GtkWidget *vbox3;
nkeynes@457:     GtkWidget *hbox2;
nkeynes@457:     GtkWidget *dump_view_button;
nkeynes@457:     GtkWidget *scrolledwindow9;
nkeynes@457: 
nkeynes@457:     dump_window_t dump = g_malloc0( sizeof( struct dump_window_info ) );
nkeynes@457: 
nkeynes@457:     dump->_tag = DUMP_WINDOW_TAG;
nkeynes@457:     dump->next = dump_list_head;
nkeynes@457:     dump_list_head = dump;
nkeynes@457:     dump->data = NULL;
nkeynes@457:     dump->start = 0;
nkeynes@457:     dump->end = 0;
nkeynes@457:     dump->window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
nkeynes@457:     gtk_window_set_title (GTK_WINDOW (dump->window), _("Memory dump"));
nkeynes@457: 
nkeynes@457:     vbox3 = gtk_vbox_new (FALSE, 0);
nkeynes@457:     gtk_container_add (GTK_CONTAINER (dump->window), vbox3);
nkeynes@457: 
nkeynes@457:     hbox2 = gtk_hbox_new (FALSE, 0);
nkeynes@457:     dump->fromInput = gtk_entry_new ();
nkeynes@457:     gtk_entry_set_text( GTK_ENTRY(dump->fromInput), "" );
nkeynes@457:     dump->toInput = gtk_entry_new ();
nkeynes@457:     gtk_entry_set_text( GTK_ENTRY(dump->toInput), "" );
nkeynes@457:     dump_view_button = gtk_button_new_with_mnemonic (_("View"));
nkeynes@457:   
nkeynes@457:     gtk_box_pack_start (GTK_BOX (hbox2), gtk_label_new(_(" From ")), FALSE, FALSE, 0);
nkeynes@457:     gtk_box_pack_start (GTK_BOX (hbox2), dump->fromInput, FALSE, TRUE, 0);
nkeynes@457:     gtk_box_pack_start (GTK_BOX (hbox2), gtk_label_new(_(" To ")), FALSE, FALSE, 0);
nkeynes@457:     gtk_box_pack_start (GTK_BOX (hbox2), dump->toInput, FALSE, TRUE, 0);
nkeynes@457:     gtk_box_pack_start (GTK_BOX (hbox2), dump_view_button, FALSE, FALSE, 0);
nkeynes@457:     gtk_box_pack_start (GTK_BOX (hbox2), gtk_label_new (_("   ")), TRUE, TRUE, 0);
nkeynes@457:     gtk_box_pack_start (GTK_BOX (vbox3), hbox2, FALSE, TRUE, 3);
nkeynes@457: 
nkeynes@457:     dump->textArea = gtk_text_view_new ();
nkeynes@457:     dump->textBuffer = gtk_text_buffer_new(NULL);
nkeynes@457:     dump->changedTag = gtk_text_buffer_create_tag(dump->textBuffer, "changed",
nkeynes@457: 						  "foreground", "blue", NULL);
nkeynes@457:     gtk_widget_modify_font(GTK_WIDGET(dump->textArea),gui_fixed_font);
nkeynes@457:     gtk_text_view_set_editable(GTK_TEXT_VIEW(dump->textArea), FALSE);
nkeynes@457:     gtk_text_view_set_buffer(GTK_TEXT_VIEW(dump->textArea), dump->textBuffer);
nkeynes@457:     scrolledwindow9 = gtk_scrolled_window_new (NULL, NULL);
nkeynes@457:     gtk_scrolled_window_set_shadow_type (GTK_SCROLLED_WINDOW (scrolledwindow9), GTK_SHADOW_IN);
nkeynes@457:     gtk_container_add (GTK_CONTAINER (scrolledwindow9), dump->textArea);
nkeynes@457:     gtk_box_pack_start (GTK_BOX (vbox3), scrolledwindow9, TRUE, TRUE, 0);
nkeynes@2:         
nkeynes@457:     g_signal_connect (dump->window, "delete_event",
nkeynes@455:                       G_CALLBACK (on_dump_window_delete_event),
nkeynes@457:                       dump);
nkeynes@457:     g_signal_connect (dump_view_button, "clicked",
nkeynes@455:                       G_CALLBACK (on_dump_window_button_view_clicked),
nkeynes@457:                       dump);
nkeynes@457:     gtk_widget_show_all( dump->window );
nkeynes@457: 
nkeynes@457:     return dump;
nkeynes@2: }
nkeynes@2: 
nkeynes@457: void gtk_entry_set_hex_value( GtkEntry *entry, uint32_t value )
nkeynes@457: {
nkeynes@457:     char buf[10];
nkeynes@457:     sprintf( buf, "%08X", value );
nkeynes@457:     gtk_entry_set_text( entry, buf );
nkeynes@457: }
nkeynes@435: 
nkeynes@435: uint32_t gtk_entry_get_hex_value( GtkEntry *entry, uint32_t defaultValue )
nkeynes@435: {
nkeynes@435:     const gchar *text = gtk_entry_get_text(entry);
nkeynes@435:     if( text == NULL )
nkeynes@435:         return defaultValue;
nkeynes@435:     gchar *endptr;
nkeynes@435:     uint32_t value = strtoul( text, &endptr, 16 );
nkeynes@435:     if( text == endptr ) { /* invalid input */
nkeynes@435:         value = defaultValue;
nkeynes@435:         gtk_entry_set_hex_value( entry, value );
nkeynes@435:     }
nkeynes@435:     return value;
nkeynes@435: }
nkeynes@435: 
nkeynes@455: gboolean on_dump_window_delete_event( GtkWidget *widget, GdkEvent *event,
nkeynes@2:                                    gpointer user_data )
nkeynes@2: {
nkeynes@457:     dump_window_t data = (dump_window_t)user_data;
nkeynes@2:     if( data->data != NULL )
nkeynes@2:         free( data->data );
nkeynes@457:     dump_window_t node = dump_list_head;
nkeynes@2:     if( node == data )
nkeynes@2:         dump_list_head = data->next;
nkeynes@2:     else {
nkeynes@2:         while( node->next != data ) {
nkeynes@2:             node = node->next;
nkeynes@2:             assert( node != NULL );
nkeynes@2:         }
nkeynes@2:         node->next = data->next;
nkeynes@2:     }
nkeynes@2:     free( data );
nkeynes@2:     return FALSE;
nkeynes@2: }
nkeynes@2: 
nkeynes@455: void on_dump_window_button_view_clicked( GtkWidget *widget, gpointer user_data )
nkeynes@2: {
nkeynes@457:     dump_window_t data = (dump_window_t)user_data;
nkeynes@2:     uint32_t startVal, endVal;
nkeynes@2: 
nkeynes@2:     assert( data != NULL );
nkeynes@457:     assert( data->_tag == DUMP_WINDOW_TAG );
nkeynes@2:     
nkeynes@457:     startVal = gtk_entry_get_hex_value(GTK_ENTRY(data->fromInput), data->start);
nkeynes@457:     endVal = gtk_entry_get_hex_value(GTK_ENTRY(data->toInput), data->end);
nkeynes@2:     if( startVal != data->start || endVal != data->end ) {
nkeynes@2:         if( startVal > endVal ) {
nkeynes@2:             int tmp = endVal;
nkeynes@2:             endVal = startVal;
nkeynes@2:             startVal = tmp;
nkeynes@2:         }
nkeynes@2:         if( endVal > startVal + MAX_DUMP_SIZE )
nkeynes@2:             endVal = startVal + MAX_DUMP_SIZE;
nkeynes@2: 
nkeynes@457:         gtk_entry_set_hex_value(GTK_ENTRY(data->fromInput),startVal);
nkeynes@457: 	gtk_entry_set_hex_value(GTK_ENTRY(data->toInput),endVal);
nkeynes@2:         data->start = startVal;
nkeynes@2:         data->end = endVal;
nkeynes@2: 
nkeynes@2:         if( data->data != NULL ) {
nkeynes@2:             free( data->data );
nkeynes@2:             data->data = NULL;
nkeynes@2:         }
nkeynes@2:         if( startVal != endVal ) {
nkeynes@2:             data->data = malloc( endVal - startVal );
nkeynes@2:             mem_copy_from_sh4( data->data, startVal, endVal-startVal );
nkeynes@455:             dump_window_set_text( data, data->data, data->data );
nkeynes@2:         }
nkeynes@2:     }
nkeynes@2: }
nkeynes@2: 
nkeynes@457: void dump_window_update( dump_window_t data )
nkeynes@2: {
nkeynes@2:     if( data->data == NULL )
nkeynes@2:         return;
nkeynes@430:     unsigned char tmp[data->end-data->start];
nkeynes@2:     int length = data->end-data->start;
nkeynes@2:     memcpy( tmp, data->data, length );
nkeynes@2:     mem_copy_from_sh4( data->data, data->start, length );
nkeynes@455:     dump_window_set_text( data, tmp, data->data );
nkeynes@2: }
nkeynes@2: 
nkeynes@455: void dump_window_update_all( )
nkeynes@2: {
nkeynes@457:     dump_window_t node = dump_list_head;
nkeynes@2:     while( node != NULL ) {
nkeynes@455:         dump_window_update(node);
nkeynes@2:         node = node->next;
nkeynes@2:     }
nkeynes@2: }
nkeynes@2: 
nkeynes@457: void dump_window_set_text( dump_window_t data, unsigned char *old_data, unsigned char *new_data )
nkeynes@2: {
nkeynes@2:     GtkTextBuffer *buf = data->textBuffer;
nkeynes@2:     GtkTextTag *changedTag = data->changedTag;
nkeynes@2:     GtkTextIter iter, endIter;
nkeynes@2:     int i, j, offset;
nkeynes@2:     /* Clear out the buffer */
nkeynes@2:     gtk_text_buffer_get_start_iter(buf,&iter);
nkeynes@2:     gtk_text_buffer_get_end_iter(buf,&endIter);
nkeynes@2:     gtk_text_buffer_delete(buf,&iter,&endIter);
nkeynes@2:     gtk_text_buffer_get_start_iter(buf,&iter);
nkeynes@2:     
nkeynes@2:     for( offset = 0, i=data->start; i<data->end; i+=16, offset+=16 ) {
nkeynes@2:         char text[80];
nkeynes@2:         sprintf(text, "%08X:", i );
nkeynes@2:         gtk_text_buffer_insert( buf, &iter, text, 9 );
nkeynes@2:         for( j=0; j<16; j++ ) {
nkeynes@2:             if( j%4 == 0 )
nkeynes@2:                 gtk_text_buffer_insert( buf, &iter, " ", 1 );
nkeynes@2:             if( i+j < data->end ) {
nkeynes@2:                 int oldVal = ((int)old_data[offset+j])&0xFF;
nkeynes@2:                 int newVal = ((int)new_data[offset+j])&0xFF;
nkeynes@2:                 sprintf(text, "%02X ", newVal);
nkeynes@2:                 if( oldVal == newVal )
nkeynes@2:                     gtk_text_buffer_insert( buf, &iter, text, 3 );
nkeynes@2:                 else
nkeynes@2:                     gtk_text_buffer_insert_with_tags( buf, &iter, text, 3,
nkeynes@2:                                                       changedTag, NULL );
nkeynes@2:             } else {
nkeynes@2:                 gtk_text_buffer_insert( buf, &iter, "   ", 3 );
nkeynes@2:             }
nkeynes@2:         }
nkeynes@2:         gtk_text_buffer_insert( buf, &iter, "  ", 2 );
nkeynes@2:         for( j=0; j<16 && i+j < data->end; j++ ) {
nkeynes@2:             int oldVal = ((int)old_data[offset+j])&0xFF;
nkeynes@2:             int newVal = ((int)new_data[offset+j])&0xFF;
nkeynes@2:             if( isprint(newVal) )
nkeynes@2:                 sprintf( text, "%c", newVal );
nkeynes@2:             else strcpy( text, "." );
nkeynes@2:             if( oldVal == newVal )
nkeynes@2:                 gtk_text_buffer_insert( buf, &iter, text, 1 );
nkeynes@2:             else
nkeynes@2:                 gtk_text_buffer_insert_with_tags( buf, &iter, text, 1,
nkeynes@2:                                                   changedTag, NULL );
nkeynes@2:         }
nkeynes@2:         gtk_text_buffer_insert( buf, &iter, "\n", 1 );
nkeynes@2:     }
nkeynes@2: }