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lxdream.org :: lxdream/src/gui/dump_win.c
lxdream 0.9.1
released Jun 29
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filename src/gui/dump_win.c
changeset 31:495e480360d7
prev2:42349f6ea216
next430:467519b050f4
author nkeynes
date Sun Jan 01 08:09:17 2006 +0000 (15 years ago)
permissions -rw-r--r--
last change Remove sh4core.h reference
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     1 /**
     2  * $Id: dump_win.c,v 1.2 2005-12-25 08:24:11 nkeynes Exp $
     3  *
     4  * Implements the memory dump window.
     5  *
     6  * Copyright (c) 2005 Nathan Keynes.
     7  *
     8  * This program is free software; you can redistribute it and/or modify
     9  * it under the terms of the GNU General Public License as published by
    10  * the Free Software Foundation; either version 2 of the License, or
    11  * (at your option) any later version.
    12  *
    13  * This program is distributed in the hope that it will be useful,
    14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
    15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    16  * GNU General Public License for more details.
    17  */
    19 #include <gnome.h>
    20 #include <ctype.h>
    21 #include <assert.h>
    22 #include "gui.h"
    23 #include "interface.h"
    24 #include "mem.h"
    26 #define MAX_DUMP_SIZE 4096
    28 #define DUMP_DATA_TAG 0xD4B9DA7A
    30 typedef struct dump_data {
    31     uint32_t _tag;
    32     uint32_t start;
    33     uint32_t end;
    34     int flags;
    35     char *data;
    37     GtkEntry *fromInput, *toInput;
    38     GtkTextView *textArea;
    39     GtkTextTag *changedTag;
    40     GtkTextBuffer *textBuffer;
    41     struct dump_data *next;
    42 } *dump_data_t;
    44 static dump_data_t dump_list_head = NULL;
    46 gboolean on_dump_win_delete_event( GtkWidget *widget, GdkEvent *event,
    47                                    gpointer user_data );
    48 void on_dump_win_button_view_clicked( GtkWidget *widget, gpointer user_data );
    49 void dump_win_set_text( dump_data_t data, char *old_data, char *new_data );
    52 void dump_window_new( void ) {
    53     GtkWidget *win = create_dump_win();
    54     GtkWidget *dump_view_button = (GtkWidget *)g_object_get_data(G_OBJECT(win), "dump_view_button");
    55     dump_data_t data = malloc( sizeof(struct dump_data) );
    56     data->_tag = DUMP_DATA_TAG;
    57     data->fromInput = (GtkEntry *)g_object_get_data(G_OBJECT(win), "dump_from");
    58     data->toInput = (GtkEntry *)g_object_get_data(G_OBJECT(win), "dump_to");
    59     data->textArea = (GtkTextView *)g_object_get_data(G_OBJECT(win), "dump_text");
    60     data->next = dump_list_head;
    61     dump_list_head = data;
    62     data->data = NULL;
    63     data->start = 0;
    64     data->end = 0;
    65     gtk_entry_set_text( data->fromInput, "" );
    66     gtk_entry_set_text( data->toInput, "" );
    67     data->textBuffer = gtk_text_buffer_new(NULL);
    68     data->changedTag = gtk_text_buffer_create_tag(data->textBuffer, "changed",
    69                                                  "foreground", "blue",
    70                                                   NULL);
    71     gtk_text_view_set_buffer(data->textArea, data->textBuffer);
    72     gtk_text_view_set_editable(data->textArea, FALSE);
    73     gtk_widget_modify_font(GTK_WIDGET(data->textArea),fixed_list_font);
    75     g_signal_connect ((gpointer) win, "delete_event",
    76                       G_CALLBACK (on_dump_win_delete_event),
    77                       data);
    78     g_signal_connect ((gpointer) dump_view_button, "clicked",
    79                       G_CALLBACK (on_dump_win_button_view_clicked),
    80                       data);
    81     gtk_widget_show( GTK_WIDGET(win) );
    82 }
    86 gboolean on_dump_win_delete_event( GtkWidget *widget, GdkEvent *event,
    87                                    gpointer user_data )
    88 {
    89     dump_data_t data = (dump_data_t)user_data;
    90     if( data->data != NULL )
    91         free( data->data );
    92     dump_data_t node = dump_list_head;
    93     if( node == data )
    94         dump_list_head = data->next;
    95     else {
    96         while( node->next != data ) {
    97             node = node->next;
    98             assert( node != NULL );
    99         }
   100         node->next = data->next;
   101     }
   102     free( data );
   103     return FALSE;
   104 }
   106 void on_dump_win_button_view_clicked( GtkWidget *widget, gpointer user_data )
   107 {
   108     dump_data_t data = (dump_data_t)user_data;
   109     uint32_t startVal, endVal;
   111     assert( data != NULL );
   112     assert( data->_tag == DUMP_DATA_TAG );
   114     startVal = gtk_entry_get_hex_value(data->fromInput, data->start);
   115     endVal = gtk_entry_get_hex_value(data->toInput, data->end);
   116     if( startVal != data->start || endVal != data->end ) {
   117         if( startVal > endVal ) {
   118             int tmp = endVal;
   119             endVal = startVal;
   120             startVal = tmp;
   121         }
   122         if( endVal > startVal + MAX_DUMP_SIZE )
   123             endVal = startVal + MAX_DUMP_SIZE;
   125         gtk_entry_set_hex_value(data->fromInput,startVal);
   126         gtk_entry_set_hex_value(data->toInput,endVal);
   127         data->start = startVal;
   128         data->end = endVal;
   130         if( data->data != NULL ) {
   131             free( data->data );
   132             data->data = NULL;
   133         }
   134         if( startVal != endVal ) {
   135             data->data = malloc( endVal - startVal );
   136             mem_copy_from_sh4( data->data, startVal, endVal-startVal );
   137             dump_win_set_text( data, data->data, data->data );
   138         }
   139     }
   140 }
   142 void dump_win_update( dump_data_t data )
   143 {
   144     if( data->data == NULL )
   145         return;
   146     char tmp[data->end-data->start];
   147     int length = data->end-data->start;
   148     memcpy( tmp, data->data, length );
   149     mem_copy_from_sh4( data->data, data->start, length );
   150     dump_win_set_text( data, tmp, data->data );
   151 }
   153 void dump_win_update_all( )
   154 {
   155     dump_data_t node = dump_list_head;
   156     while( node != NULL ) {
   157         dump_win_update(node);
   158         node = node->next;
   159     }
   160 }
   162 void dump_win_set_text( dump_data_t data, char *old_data, char *new_data )
   163 {
   164     GtkTextBuffer *buf = data->textBuffer;
   165     GtkTextTag *changedTag = data->changedTag;
   166     GtkTextIter iter, endIter;
   167     int i, j, offset;
   168     /* Clear out the buffer */
   169     gtk_text_buffer_get_start_iter(buf,&iter);
   170     gtk_text_buffer_get_end_iter(buf,&endIter);
   171     gtk_text_buffer_delete(buf,&iter,&endIter);
   172     gtk_text_buffer_get_start_iter(buf,&iter);
   174     for( offset = 0, i=data->start; i<data->end; i+=16, offset+=16 ) {
   175         char text[80];
   176         sprintf(text, "%08X:", i );
   177         gtk_text_buffer_insert( buf, &iter, text, 9 );
   178         for( j=0; j<16; j++ ) {
   179             if( j%4 == 0 )
   180                 gtk_text_buffer_insert( buf, &iter, " ", 1 );
   181             if( i+j < data->end ) {
   182                 int oldVal = ((int)old_data[offset+j])&0xFF;
   183                 int newVal = ((int)new_data[offset+j])&0xFF;
   184                 sprintf(text, "%02X ", newVal);
   185                 if( oldVal == newVal )
   186                     gtk_text_buffer_insert( buf, &iter, text, 3 );
   187                 else
   188                     gtk_text_buffer_insert_with_tags( buf, &iter, text, 3,
   189                                                       changedTag, NULL );
   190             } else {
   191                 gtk_text_buffer_insert( buf, &iter, "   ", 3 );
   192             }
   193         }
   194         gtk_text_buffer_insert( buf, &iter, "  ", 2 );
   195         for( j=0; j<16 && i+j < data->end; j++ ) {
   196             int oldVal = ((int)old_data[offset+j])&0xFF;
   197             int newVal = ((int)new_data[offset+j])&0xFF;
   198             if( isprint(newVal) )
   199                 sprintf( text, "%c", newVal );
   200             else strcpy( text, "." );
   201             if( oldVal == newVal )
   202                 gtk_text_buffer_insert( buf, &iter, text, 1 );
   203             else
   204                 gtk_text_buffer_insert_with_tags( buf, &iter, text, 1,
   205                                                   changedTag, NULL );
   206         }
   207         gtk_text_buffer_insert( buf, &iter, "\n", 1 );
   208     }
   209 }
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