#include <stdlib.h>

#include <stdarg.h>

#include <gnome.h>

#include <math.h>

#include "gui.h"

#include "mem.h"

#include "sh4dasm.h"

#include "sh4core.h"

#define REGISTER_FONT "-*-fixed-medium-r-normal--12-*-*-*-*-*-iso8859-1"

GdkColor clrNormal, clrChanged, clrError, clrWarn, clrPC, clrDebug, clrTrace;

PangoFontDescription *fixed_list_font;

void open_file_callback(GtkWidget *btn, gpointer user_data);

void open_file_canceled(GtkWidget *btn, gpointer user_data);

void open_file( char *filename );

void init_gui() {

    GdkColormap *map;

    clrNormal.red = clrNormal.green = clrNormal.blue = 0;

    clrChanged.red = clrChanged.green = 64*256;

    clrChanged.blue = 154*256;

    clrError.red = 65535;

    clrError.green = clrError.blue = 64*256;

    clrPC.red = 32*256;

    clrPC.green = 170*256;

    clrPC.blue = 52*256;

    clrWarn = clrChanged;

    clrTrace.red = 156*256;

    clrTrace.green = 78*256;

    clrTrace.blue = 201*256;

    clrDebug = clrPC;

    map = gdk_colormap_new(gdk_visual_get_best(), TRUE);

    gdk_colormap_alloc_color(map, &clrNormal, TRUE, TRUE);

    gdk_colormap_alloc_color(map, &clrChanged, TRUE, TRUE);

    gdk_colormap_alloc_color(map, &clrError, TRUE, TRUE);

    gdk_colormap_alloc_color(map, &clrWarn, TRUE, TRUE);

    gdk_colormap_alloc_color(map, &clrPC, TRUE, TRUE);

    gdk_colormap_alloc_color(map, &clrDebug, TRUE, TRUE);

    gdk_colormap_alloc_color(map, &clrTrace, TRUE, TRUE);

    fixed_list_font = pango_font_description_from_string("Courier 10");

}

void update_gui(void) {

    update_registers();

    update_icount();

    update_mmr_win();

    dump_win_update_all();

}

void open_file_callback(GtkWidget *btn, gpointer user_data) {

    GtkFileSelection *file = GTK_FILE_SELECTION(user_data);

    gchar *filename = strdup( gtk_file_selection_get_filename(

        GTK_FILE_SELECTION(file) ) );

    gtk_widget_destroy(GTK_WIDGET(file));

    open_file( filename );

    free(filename);

}

void open_file_canceled(GtkWidget *btn, gpointer user_data) {

    gtk_widget_destroy(GTK_WIDGET(user_data));

}

void open_file_dialog( void )

{

    GtkWidget *file;

    file = gtk_file_selection_new( "Open..." );

    gtk_signal_connect( GTK_OBJECT(GTK_FILE_SELECTION(file)->ok_button),

                        "clicked", GTK_SIGNAL_FUNC(open_file_callback), file );

    gtk_signal_connect( GTK_OBJECT(GTK_FILE_SELECTION(file)->cancel_button),

                        "clicked", GTK_SIGNAL_FUNC(open_file_canceled), file );

    gtk_widget_show( file );

}

uint32_t gtk_entry_get_hex_value( GtkEntry *entry, uint32_t defaultValue )

{

    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;

}

void gtk_entry_set_hex_value( GtkEntry *entry, uint32_t value )

{

    char buf[10];

    sprintf( buf, "%08X", value );

    gtk_entry_set_text( entry, buf );

}