--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/gtkui/gtk_dump.c	Tue Oct 14 08:44:37 2008 +0000
@@ -0,0 +1,256 @@
+/**
+ * $Id$
+ *
+ * Implements the memory dump window.
+ *
+ * Copyright (c) 2005 Nathan Keynes.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
+
+#include <ctype.h>
+#include <assert.h>
+#include <string.h>
+#include <stdlib.h>
+#include "mem.h"
+#include "gtkui/gtkui.h"
+
+#define MAX_DUMP_SIZE 4096
+
+#define DUMP_WINDOW_TAG 0xD4B9DA7A
+
+struct dump_window_info {
+    uint32_t _tag;
+    uint32_t start;
+    uint32_t end;
+    int flags;
+    unsigned char *data;
+
+    GtkWidget *window;
+    GtkWidget *fromInput, *toInput;
+    GtkWidget *textArea;
+    GtkTextTag *changedTag;
+    GtkTextBuffer *textBuffer;
+    struct dump_window_info *next;
+};
+
+static dump_window_t dump_list_head = NULL;
+
+gboolean on_dump_window_delete_event( GtkWidget *widget, GdkEvent *event,
+                                      gpointer user_data );
+void on_dump_window_button_view_clicked( GtkWidget *widget, gpointer user_data );
+void dump_window_set_text( dump_window_t data, unsigned char *old_data, unsigned char *new_data );
+
+
+dump_window_t dump_window_new( const gchar *title )
+{
+    GtkWidget *vbox3;
+    GtkWidget *hbox2;
+    GtkWidget *dump_view_button;
+    GtkWidget *scrolledwindow9;
+
+    dump_window_t dump = g_malloc0( sizeof( struct dump_window_info ) );
+
+    dump->_tag = DUMP_WINDOW_TAG;
+    dump->next = dump_list_head;
+    dump_list_head = dump;
+    dump->data = NULL;
+    dump->start = 0;
+    dump->end = 0;
+    dump->window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
+    gtk_window_set_title (GTK_WINDOW (dump->window), _("Memory dump"));
+
+    vbox3 = gtk_vbox_new (FALSE, 0);
+    gtk_container_add (GTK_CONTAINER (dump->window), vbox3);
+
+    hbox2 = gtk_hbox_new (FALSE, 0);
+    dump->fromInput = gtk_entry_new ();
+    gtk_entry_set_text( GTK_ENTRY(dump->fromInput), "" );
+    dump->toInput = gtk_entry_new ();
+    gtk_entry_set_text( GTK_ENTRY(dump->toInput), "" );
+    dump_view_button = gtk_button_new_with_mnemonic (_("View"));
+
+    gtk_box_pack_start (GTK_BOX (hbox2), gtk_label_new(_(" From ")), FALSE, FALSE, 0);
+    gtk_box_pack_start (GTK_BOX (hbox2), dump->fromInput, FALSE, TRUE, 0);
+    gtk_box_pack_start (GTK_BOX (hbox2), gtk_label_new(_(" To ")), FALSE, FALSE, 0);
+    gtk_box_pack_start (GTK_BOX (hbox2), dump->toInput, FALSE, TRUE, 0);
+    gtk_box_pack_start (GTK_BOX (hbox2), dump_view_button, FALSE, FALSE, 0);
+    gtk_box_pack_start (GTK_BOX (hbox2), gtk_label_new (_("   ")), TRUE, TRUE, 0);
+    gtk_box_pack_start (GTK_BOX (vbox3), hbox2, FALSE, TRUE, 3);
+
+    dump->textArea = gtk_text_view_new ();
+    dump->textBuffer = gtk_text_buffer_new(NULL);
+    dump->changedTag = gtk_text_buffer_create_tag(dump->textBuffer, "changed",
+            "foreground", "blue", NULL);
+    gtk_widget_modify_font(GTK_WIDGET(dump->textArea),gui_fixed_font);
+    gtk_text_view_set_editable(GTK_TEXT_VIEW(dump->textArea), FALSE);
+    gtk_text_view_set_buffer(GTK_TEXT_VIEW(dump->textArea), dump->textBuffer);
+    scrolledwindow9 = gtk_scrolled_window_new (NULL, NULL);
+    gtk_scrolled_window_set_shadow_type (GTK_SCROLLED_WINDOW (scrolledwindow9), GTK_SHADOW_IN);
+    gtk_container_add (GTK_CONTAINER (scrolledwindow9), dump->textArea);
+    gtk_box_pack_start (GTK_BOX (vbox3), scrolledwindow9, TRUE, TRUE, 0);
+
+    g_signal_connect (dump->window, "delete_event",
+                      G_CALLBACK (on_dump_window_delete_event),
+                      dump);
+    g_signal_connect (dump_view_button, "clicked",
+                      G_CALLBACK (on_dump_window_button_view_clicked),
+                      dump);
+    gtk_widget_show_all( dump->window );
+
+    return dump;
+}
+
+void gtk_entry_set_hex_value( GtkEntry *entry, uint32_t value )
+{
+    char buf[10];
+    sprintf( buf, "%08X", value );
+    gtk_entry_set_text( entry, buf );
+}
+
+uint32_t gtk_entry_get_hex_value( GtkEntry *entry, uint32_t defaultValue )
+{
+    const gchar *text = gtk_entry_get_text(entry);
+    if( text == NULL )
+        return defaultValue;
+    gchar *endptr;
+    uint32_t value = strtoul( text, &endptr, 16 );
+    if( text == endptr ) { /* invalid input */
+        value = defaultValue;
+        gtk_entry_set_hex_value( entry, value );
+    }
+    return value;
+}
+
+gboolean on_dump_window_delete_event( GtkWidget *widget, GdkEvent *event,
+                                      gpointer user_data )
+{
+    dump_window_t data = (dump_window_t)user_data;
+    if( data->data != NULL )
+        free( data->data );
+    dump_window_t node = dump_list_head;
+    if( node == data )
+        dump_list_head = data->next;
+    else {
+        while( node->next != data ) {
+            node = node->next;
+            assert( node != NULL );
+        }
+        node->next = data->next;
+    }
+    free( data );
+    return FALSE;
+}
+
+void on_dump_window_button_view_clicked( GtkWidget *widget, gpointer user_data )
+{
+    dump_window_t data = (dump_window_t)user_data;
+    uint32_t startVal, endVal;
+
+    assert( data != NULL );
+    assert( data->_tag == DUMP_WINDOW_TAG );
+
+    startVal = gtk_entry_get_hex_value(GTK_ENTRY(data->fromInput), data->start);
+    endVal = gtk_entry_get_hex_value(GTK_ENTRY(data->toInput), data->end);
+    if( startVal != data->start || endVal != data->end ) {
+        if( startVal > endVal ) {
+            int tmp = endVal;
+            endVal = startVal;
+            startVal = tmp;
+        }
+        if( endVal > startVal + MAX_DUMP_SIZE )
+            endVal = startVal + MAX_DUMP_SIZE;
+
+        gtk_entry_set_hex_value(GTK_ENTRY(data->fromInput),startVal);
+        gtk_entry_set_hex_value(GTK_ENTRY(data->toInput),endVal);
+        data->start = startVal;
+        data->end = endVal;
+
+        if( data->data != NULL ) {
+            free( data->data );
+            data->data = NULL;
+        }
+        if( startVal != endVal ) {
+            data->data = malloc( endVal - startVal );
+            mem_copy_from_sh4( data->data, startVal, endVal-startVal );
+            dump_window_set_text( data, data->data, data->data );
+        }
+    }
+}
+
+void dump_window_update( dump_window_t data )
+{
+    if( data->data == NULL )
+        return;
+    unsigned char tmp[data->end-data->start];
+    int length = data->end-data->start;
+    memcpy( tmp, data->data, length );
+    mem_copy_from_sh4( data->data, data->start, length );
+    dump_window_set_text( data, tmp, data->data );
+}
+
+void dump_window_update_all( )
+{
+    dump_window_t node = dump_list_head;
+    while( node != NULL ) {
+        dump_window_update(node);
+        node = node->next;
+    }
+}
+
+void dump_window_set_text( dump_window_t data, unsigned char *old_data, unsigned char *new_data )
+{
+    GtkTextBuffer *buf = data->textBuffer;
+    GtkTextTag *changedTag = data->changedTag;
+    GtkTextIter iter, endIter;
+    int i, j, offset;
+    /* Clear out the buffer */
+    gtk_text_buffer_get_start_iter(buf,&iter);
+    gtk_text_buffer_get_end_iter(buf,&endIter);
+    gtk_text_buffer_delete(buf,&iter,&endIter);
+    gtk_text_buffer_get_start_iter(buf,&iter);
+
+    for( offset = 0, i=data->start; i<data->end; i+=16, offset+=16 ) {
+        char text[80];
+        sprintf(text, "%08X:", i );
+        gtk_text_buffer_insert( buf, &iter, text, 9 );
+        for( j=0; j<16; j++ ) {
+            if( j%4 == 0 )
+                gtk_text_buffer_insert( buf, &iter, " ", 1 );
+            if( i+j < data->end ) {
+                int oldVal = ((int)old_data[offset+j])&0xFF;
+                int newVal = ((int)new_data[offset+j])&0xFF;
+                sprintf(text, "%02X ", newVal);
+                if( oldVal == newVal )
+                    gtk_text_buffer_insert( buf, &iter, text, 3 );
+                else
+                    gtk_text_buffer_insert_with_tags( buf, &iter, text, 3,
+                            changedTag, NULL );
+            } else {
+                gtk_text_buffer_insert( buf, &iter, "   ", 3 );
+            }
+        }
+        gtk_text_buffer_insert( buf, &iter, "  ", 2 );
+        for( j=0; j<16 && i+j < data->end; j++ ) {
+            int oldVal = ((int)old_data[offset+j])&0xFF;
+            int newVal = ((int)new_data[offset+j])&0xFF;
+            if( isprint(newVal) )
+                sprintf( text, "%c", newVal );
+            else strcpy( text, "." );
+            if( oldVal == newVal )
+                gtk_text_buffer_insert( buf, &iter, text, 1 );
+            else
+                gtk_text_buffer_insert_with_tags( buf, &iter, text, 1,
+                        changedTag, NULL );
+        }
+        gtk_text_buffer_insert( buf, &iter, "\n", 1 );
+    }
+}