nkeynes@2: /**
nkeynes@455:  * $Id: dump_win.c,v 1.5 2007-10-21 05:21:35 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 <gnome.h>
nkeynes@2: #include <ctype.h>
nkeynes@2: #include <assert.h>
nkeynes@2: #include "mem.h"
nkeynes@435: #include "gui/gtkui.h"
nkeynes@435: #include "gui/debugif.h"
nkeynes@2: 
nkeynes@2: #define MAX_DUMP_SIZE 4096
nkeynes@2: 
nkeynes@2: #define DUMP_DATA_TAG 0xD4B9DA7A
nkeynes@2: 
nkeynes@2: typedef struct dump_data {
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@2:     GtkEntry *fromInput, *toInput;
nkeynes@2:     GtkTextView *textArea;
nkeynes@2:     GtkTextTag *changedTag;
nkeynes@2:     GtkTextBuffer *textBuffer;
nkeynes@2:     struct dump_data *next;
nkeynes@2: } *dump_data_t;
nkeynes@2: 
nkeynes@2: static dump_data_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@455: void dump_window_set_text( dump_data_t data, unsigned char *old_data, unsigned char *new_data );
nkeynes@2: 
nkeynes@2: 
nkeynes@455: void dump_window_new( const gchar *title ) {
nkeynes@2:     GtkWidget *win = create_dump_win();
nkeynes@2:     GtkWidget *dump_view_button = (GtkWidget *)g_object_get_data(G_OBJECT(win), "dump_view_button");
nkeynes@2:     dump_data_t data = malloc( sizeof(struct dump_data) );
nkeynes@2:     data->_tag = DUMP_DATA_TAG;
nkeynes@2:     data->fromInput = (GtkEntry *)g_object_get_data(G_OBJECT(win), "dump_from");
nkeynes@2:     data->toInput = (GtkEntry *)g_object_get_data(G_OBJECT(win), "dump_to");
nkeynes@2:     data->textArea = (GtkTextView *)g_object_get_data(G_OBJECT(win), "dump_text");
nkeynes@2:     data->next = dump_list_head;
nkeynes@2:     dump_list_head = data;
nkeynes@2:     data->data = NULL;
nkeynes@2:     data->start = 0;
nkeynes@2:     data->end = 0;
nkeynes@2:     gtk_entry_set_text( data->fromInput, "" );
nkeynes@2:     gtk_entry_set_text( data->toInput, "" );
nkeynes@2:     data->textBuffer = gtk_text_buffer_new(NULL);
nkeynes@2:     data->changedTag = gtk_text_buffer_create_tag(data->textBuffer, "changed",
nkeynes@2:                                                  "foreground", "blue",
nkeynes@2:                                                   NULL);
nkeynes@2:     gtk_text_view_set_buffer(data->textArea, data->textBuffer);
nkeynes@2:     gtk_text_view_set_editable(data->textArea, FALSE);
nkeynes@435:     gtk_widget_modify_font(GTK_WIDGET(data->textArea),gui_fixed_font);
nkeynes@2:         
nkeynes@2:     g_signal_connect ((gpointer) win, "delete_event",
nkeynes@455:                       G_CALLBACK (on_dump_window_delete_event),
nkeynes@2:                       data);
nkeynes@2:     g_signal_connect ((gpointer) dump_view_button, "clicked",
nkeynes@455:                       G_CALLBACK (on_dump_window_button_view_clicked),
nkeynes@2:                       data);
nkeynes@2:     gtk_widget_show( GTK_WIDGET(win) );
nkeynes@2: }
nkeynes@2: 
nkeynes@2: 
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@435: void gtk_entry_set_hex_value( GtkEntry *entry, uint32_t value )
nkeynes@435: {
nkeynes@435:     char buf[10];
nkeynes@435:     sprintf( buf, "%08X", value );
nkeynes@435:     gtk_entry_set_text( entry, buf );
nkeynes@435: }
nkeynes@435: 
nkeynes@2:         
nkeynes@455: gboolean on_dump_window_delete_event( GtkWidget *widget, GdkEvent *event,
nkeynes@2:                                    gpointer user_data )
nkeynes@2: {
nkeynes@2:     dump_data_t data = (dump_data_t)user_data;
nkeynes@2:     if( data->data != NULL )
nkeynes@2:         free( data->data );
nkeynes@2:     dump_data_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@2:     dump_data_t data = (dump_data_t)user_data;
nkeynes@2:     uint32_t startVal, endVal;
nkeynes@2: 
nkeynes@2:     assert( data != NULL );
nkeynes@2:     assert( data->_tag == DUMP_DATA_TAG );
nkeynes@2:     
nkeynes@2:     startVal = gtk_entry_get_hex_value(data->fromInput, data->start);
nkeynes@2:     endVal = gtk_entry_get_hex_value(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@2:         gtk_entry_set_hex_value(data->fromInput,startVal);
nkeynes@2:         gtk_entry_set_hex_value(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@455: void dump_window_update( dump_data_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@2:     dump_data_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@455: void dump_window_set_text( dump_data_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: }