lxdream.org :: lxdream/src/gui/dump

tree revision 18:9a1b5d75703f

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     1 /**

     2  * Implements the memory dump window.

     3  */

     4 #include <gnome.h>

     5 #include <ctype.h>

     6 #include <assert.h>

     7 #include "gui.h"

     8 #include "interface.h"

     9 #include "mem.h"

    11 #define MAX_DUMP_SIZE 4096

    13 #define DUMP_DATA_TAG 0xD4B9DA7A

    15 typedef struct dump_data {

    16     uint32_t _tag;

    17     uint32_t start;

    18     uint32_t end;

    19     int flags;

    20     char *data;

    22     GtkEntry *fromInput, *toInput;

    23     GtkTextView *textArea;

    24     GtkTextTag *changedTag;

    25     GtkTextBuffer *textBuffer;

    26     struct dump_data *next;

    27 } *dump_data_t;

    29 static dump_data_t dump_list_head = NULL;

    31 gboolean on_dump_win_delete_event( GtkWidget *widget, GdkEvent *event,

    32                                    gpointer user_data );

    33 void on_dump_win_button_view_clicked( GtkWidget *widget, gpointer user_data );

    34 void dump_win_set_text( dump_data_t data, char *old_data, char *new_data );

    37 void dump_window_new( void ) {

    38     GtkWidget *win = create_dump_win();

    39     GtkWidget *dump_view_button = (GtkWidget *)g_object_get_data(G_OBJECT(win), "dump_view_button");

    40     dump_data_t data = malloc( sizeof(struct dump_data) );

    41     data->_tag = DUMP_DATA_TAG;

    42     data->fromInput = (GtkEntry *)g_object_get_data(G_OBJECT(win), "dump_from");

    43     data->toInput = (GtkEntry *)g_object_get_data(G_OBJECT(win), "dump_to");

    44     data->textArea = (GtkTextView *)g_object_get_data(G_OBJECT(win), "dump_text");

    45     data->next = dump_list_head;

    46     dump_list_head = data;

    47     data->data = NULL;

    48     data->start = 0;

    49     data->end = 0;

    50     gtk_entry_set_text( data->fromInput, "" );

    51     gtk_entry_set_text( data->toInput, "" );

    52     data->textBuffer = gtk_text_buffer_new(NULL);

    53     data->changedTag = gtk_text_buffer_create_tag(data->textBuffer, "changed",

    54                                                  "foreground", "blue",

    55                                                   NULL);

    56     gtk_text_view_set_buffer(data->textArea, data->textBuffer);

    57     gtk_text_view_set_editable(data->textArea, FALSE);

    58     gtk_widget_modify_font(GTK_WIDGET(data->textArea),fixed_list_font);

    60     g_signal_connect ((gpointer) win, "delete_event",

    61                       G_CALLBACK (on_dump_win_delete_event),

    62                       data);

    63     g_signal_connect ((gpointer) dump_view_button, "clicked",

    64                       G_CALLBACK (on_dump_win_button_view_clicked),

    65                       data);

    66     gtk_widget_show( GTK_WIDGET(win) );

    67 }

    71 gboolean on_dump_win_delete_event( GtkWidget *widget, GdkEvent *event,

    72                                    gpointer user_data )

    73 {

    74     dump_data_t data = (dump_data_t)user_data;

    75     if( data->data != NULL )

    76         free( data->data );

    77     dump_data_t node = dump_list_head;

    78     if( node == data )

    79         dump_list_head = data->next;

    80     else {

    81         while( node->next != data ) {

    82             node = node->next;

    83             assert( node != NULL );

    84         }

    85         node->next = data->next;

    86     }

    87     free( data );

    88     return FALSE;

    89 }

    91 void on_dump_win_button_view_clicked( GtkWidget *widget, gpointer user_data )

    92 {

    93     dump_data_t data = (dump_data_t)user_data;

    94     uint32_t startVal, endVal;

    96     assert( data != NULL );

    97     assert( data->_tag == DUMP_DATA_TAG );

    99     startVal = gtk_entry_get_hex_value(data->fromInput, data->start);

   100     endVal = gtk_entry_get_hex_value(data->toInput, data->end);

   101     if( startVal != data->start || endVal != data->end ) {

   102         if( startVal > endVal ) {

   103             int tmp = endVal;

   104             endVal = startVal;

   105             startVal = tmp;

   106         }

   107         if( endVal > startVal + MAX_DUMP_SIZE )

   108             endVal = startVal + MAX_DUMP_SIZE;

   110         gtk_entry_set_hex_value(data->fromInput,startVal);

   111         gtk_entry_set_hex_value(data->toInput,endVal);

   112         data->start = startVal;

   113         data->end = endVal;

   115         if( data->data != NULL ) {

   116             free( data->data );

   117             data->data = NULL;

   118         }

   119         if( startVal != endVal ) {

   120             data->data = malloc( endVal - startVal );

   121             mem_copy_from_sh4( data->data, startVal, endVal-startVal );

   122             dump_win_set_text( data, data->data, data->data );

   123         }

   124     }

   125 }

   127 void dump_win_update( dump_data_t data )

   128 {

   129     if( data->data == NULL )

   130         return;

   131     char tmp[data->end-data->start];

   132     int length = data->end-data->start;

   133     memcpy( tmp, data->data, length );

   134     mem_copy_from_sh4( data->data, data->start, length );

   135     dump_win_set_text( data, tmp, data->data );

   136 }

   138 void dump_win_update_all( )

   139 {

   140     dump_data_t node = dump_list_head;

   141     while( node != NULL ) {

   142         dump_win_update(node);

   143         node = node->next;

   144     }

   145 }

   147 void dump_win_set_text( dump_data_t data, char *old_data, char *new_data )

   148 {

   149     GtkTextBuffer *buf = data->textBuffer;

   150     GtkTextTag *changedTag = data->changedTag;

   151     GtkTextIter iter, endIter;

   152     int i, j, offset;

   153     /* Clear out the buffer */

   154     gtk_text_buffer_get_start_iter(buf,&iter);

   155     gtk_text_buffer_get_end_iter(buf,&endIter);

   156     gtk_text_buffer_delete(buf,&iter,&endIter);

   157     gtk_text_buffer_get_start_iter(buf,&iter);

   159     for( offset = 0, i=data->start; i<data->end; i+=16, offset+=16 ) {

   160         char text[80];

   161         sprintf(text, "%08X:", i );

   162         gtk_text_buffer_insert( buf, &iter, text, 9 );

   163         for( j=0; j<16; j++ ) {

   164             if( j%4 == 0 )

   165                 gtk_text_buffer_insert( buf, &iter, " ", 1 );

   166             if( i+j < data->end ) {

   167                 int oldVal = ((int)old_data[offset+j])&0xFF;

   168                 int newVal = ((int)new_data[offset+j])&0xFF;

   169                 sprintf(text, "%02X ", newVal);

   170                 if( oldVal == newVal )

   171                     gtk_text_buffer_insert( buf, &iter, text, 3 );

   172                 else

   173                     gtk_text_buffer_insert_with_tags( buf, &iter, text, 3,

   174                                                       changedTag, NULL );

   175             } else {

   176                 gtk_text_buffer_insert( buf, &iter, "   ", 3 );

   177             }

   178         }

   179         gtk_text_buffer_insert( buf, &iter, "  ", 2 );

   180         for( j=0; j<16 && i+j < data->end; j++ ) {

   181             int oldVal = ((int)old_data[offset+j])&0xFF;

   182             int newVal = ((int)new_data[offset+j])&0xFF;

   183             if( isprint(newVal) )

   184                 sprintf( text, "%c", newVal );

   185             else strcpy( text, "." );

   186             if( oldVal == newVal )

   187                 gtk_text_buffer_insert( buf, &iter, text, 1 );

   188             else

   189                 gtk_text_buffer_insert_with_tags( buf, &iter, text, 1,

   190                                                   changedTag, NULL );

   191         }

   192         gtk_text_buffer_insert( buf, &iter, "\n", 1 );

   193     }

   194 }