#include "studiox_includes.h"

#ifdef _DEBUG
#define new DEBUG_NEW
#endif

generic_scroll_wheel_service_provider::generic_scroll_wheel_service_provider()
{
}

CString generic_scroll_wheel_service_provider::GetVarDeclaration()
{
    return CString("GX_GENERIC_SCROLL_WHEEL_MEMBERS_DECLARE");
}

CString generic_scroll_wheel_service_provider::DeclarePropertiesStructContent()
{
    CString out;

    out = 
        "    int             total_rows;\n"
        "    int             selected_row;\n"
        "    GX_VALUE        row_height;\n"
        "    GX_UBYTE        start_alpha;\n"
        "    GX_UBYTE        end_alpha;\n"
        "    GX_RESOURCE_ID  wallpaper_id;\n"
        "    GX_RESOURCE_ID  selected_background;\n"
        "    VOID          (*callback)(GX_GENERIC_SCROLL_WHEEL *, GX_WIDGET *, INT);\n";

    return out;
}

CString generic_scroll_wheel_service_provider::DeclarePropertiesStruct()
{
    CString out;
    out.Format(_T("typedef struct\n")
        _T("{\n")
        _T("%s\n")
        _T("} GX_GENERIC_SCROLL_WHEEL_PROPERTIES;\n\n"),
        DeclarePropertiesStructContent());
    return out;
}

CString generic_scroll_wheel_service_provider::WriteExtendedPropertiesContent(screen_generator *gen, widget_info *info, BOOL add_last_comma)
{
    CString out;
    CString last_delimiter;
    CString callback;

    if (info->callback_func.IsEmpty())
    {
        callback = "GX_NULL";
    }
    else
    {
        callback = info->callback_func;
    }

    if (add_last_comma)
    {
        last_delimiter = ",";
    }
    else
    {
        last_delimiter = " ";
    }

    out.Format(
        _T("    %d, /* total rows */\n")
        _T("    %d, /* selected row */\n")
        _T("    %d, /* row height */\n")
        _T("    %d, /* start alpha */\n")
        _T("    %d, /* end alpha */\n")
        _T("    %s, /* wallpaper id */\n")
        _T("    %s, /* selected background */\n")
        _T("    %s%s /* callback function */"),
        info->ewi.scroll_wheel.total_rows,
        info->ewi.scroll_wheel.selected_row,
        info->ewi.scroll_wheel.row_height,
        info->ewi.scroll_wheel.start_alpha,
        info->ewi.scroll_wheel.end_alpha,
        gen->GetPixelmapIdName(info->pixelmap_id[WALLPAPER_PIXELMAP_INDEX]),
        gen->GetPixelmapIdName(info->pixelmap_id[SCROLL_WHEEL_PIXELMAP_INDEX]),
        callback, last_delimiter);

    return out;
}

CString generic_scroll_wheel_service_provider::WriteExtendedProperties(screen_generator *gen, CString &prefix, widget_info *info)
{
    CString out;
    CString propname = prefix + info->app_name;

    out.Format(_T("GX_GENERIC_SCROLL_WHEEL_PROPERTIES %s_properties =\n")
        _T("{\n")
        _T("%s\n")
        _T("};\n"),
        propname,
        WriteExtendedPropertiesContent(gen, info, TRUE));

    return out;
}


CString generic_scroll_wheel_service_provider::GetCreateFromDefFunctionName()
{
    return CString("gx_studio_generic_scroll_wheel_create");
}

CString generic_scroll_wheel_service_provider::GetCreateFromDefFunction(int version)
{
    CString out;
    MakeCreatePreamble("generic_scroll_wheel", version, out);

    out += "{\n"
        "    UINT status;\n"
        "    GX_GENERIC_SCROLL_WHEEL *wheel = (GX_GENERIC_SCROLL_WHEEL *) control_block;\n"
        "    GX_GENERIC_SCROLL_WHEEL_PROPERTIES *props = (GX_GENERIC_SCROLL_WHEEL_PROPERTIES *) info->properties;\n"
        "    status = gx_generic_scroll_wheel_create(wheel, info->widget_name, parent, props->total_rows, props->callback, \n"
        "                                           info->style, info->widget_id, &info->size);\n"
        "    if (status == GX_SUCCESS)\n"
        "    {\n"
        "        if (props->wallpaper_id)\n"
        "        {\n"
        "            gx_window_wallpaper_set((GX_WINDOW *) wheel, props->wallpaper_id, info->style & GX_STYLE_TILE_WALLPAPER);\n"
        "        }\n"
        "        if(props->selected_background)\n"
        "        {\n"
        "            gx_scroll_wheel_selected_background_set((GX_SCROLL_WHEEL *)wheel, props->selected_background);\n"
        "        }\n"
        "        gx_scroll_wheel_selected_set((GX_SCROLL_WHEEL *)wheel, props->selected_row);\n"
        "        gx_scroll_wheel_gradient_alpha_set((GX_SCROLL_WHEEL *)wheel, props->start_alpha, props->end_alpha);\n"
        "        gx_generic_scroll_wheel_row_height_set(wheel, props->row_height);\n";

    out += "    }\n"
        "    return status;\n"
        "}\n";
    return out;
}


widget_info* generic_scroll_wheel_service_provider::CreateNewInstance(GX_WIDGET *parent)
{
    int parent_size;

    GX_RECTANGLE size = parent->gx_widget_size;
    gx_utility_rectangle_define(&size, 0, 0, 79, 23);
    parent_size = (parent->gx_widget_size.gx_rectangle_right -
        parent->gx_widget_size.gx_rectangle_left) / 2;
    size.gx_rectangle_right = size.gx_rectangle_left + parent_size;

    parent_size = (parent->gx_widget_size.gx_rectangle_bottom -
        parent->gx_widget_size.gx_rectangle_top) / 2;
    size.gx_rectangle_bottom = size.gx_rectangle_top + parent_size;

    gx_utility_rectangle_center(&size, &parent->gx_widget_size);

    GX_GENERIC_SCROLL_WHEEL* wheel = new GX_GENERIC_SCROLL_WHEEL;
    gx_generic_scroll_wheel_create(wheel, "generic_scroll_wheel", parent, 0, GX_NULL,
        GX_STYLE_ENABLED | GX_STYLE_BORDER_THIN , 0, &size);

    widget_info* info = InitWidgetInfo((GX_WIDGET*)wheel);
    info->pixelmap_id[WALLPAPER_PIXELMAP_INDEX] = 0;
    info->ewi.scroll_wheel.start_alpha = wheel->gx_scroll_wheel_gradient.gx_gradient_alpha_start;
    info->ewi.scroll_wheel.end_alpha = wheel->gx_scroll_wheel_gradient.gx_gradient_alpha_end;
    info->ewi.scroll_wheel.row_height = wheel->gx_scroll_wheel_row_height;
    info->ewi.scroll_wheel.selected_row = wheel->gx_scroll_wheel_selected_row;
    info->ewi.scroll_wheel.total_rows = 0;

    return info;
}

GX_WIDGET* generic_scroll_wheel_service_provider::GenerateFromInfo(GX_WIDGET *parent, widget_info *info)
{
    GX_GENERIC_SCROLL_WHEEL* wheel = new GX_GENERIC_SCROLL_WHEEL;

    // Create scroll wheel widget.
    gx_generic_scroll_wheel_create(wheel,
        (CHAR*)info->app_name.GetString(),
        parent,
        info->ewi.scroll_wheel.total_rows,
        GX_NULL,
        info->style,
        0,
        &info->size);

    // Set fill color.
    gx_widget_fill_color_set(wheel,
        info->color_id[NORMAL_FILL_COLOR_INDEX],
        info->color_id[SELECTED_FILL_COLOR_INDEX],
        info->color_id[DISABLED_FILL_COLOR_INDEX]);

    // Set wallpaper.
    if (info->pixelmap_id[WALLPAPER_PIXELMAP_INDEX] > 0)
    {
        BOOL tile = FALSE;

        if (info->style & GX_STYLE_TILE_WALLPAPER)
        {
            tile = TRUE;
        }
        gx_window_wallpaper_set((GX_WINDOW*)wheel, info->pixelmap_id[WALLPAPER_PIXELMAP_INDEX], tile);
    }

    // Set selected row background.
    if (info->pixelmap_id[SCROLL_WHEEL_PIXELMAP_INDEX] > 0)
    {
        gx_scroll_wheel_selected_background_set((GX_SCROLL_WHEEL*)wheel, info->pixelmap_id[SCROLL_WHEEL_PIXELMAP_INDEX]);
    }

    // Set scroll wheel properties.
    gx_scroll_wheel_gradient_alpha_set(wheel, info->ewi.scroll_wheel.start_alpha, info->ewi.scroll_wheel.end_alpha);
    gx_scroll_wheel_row_height_set(wheel, info->ewi.scroll_wheel.row_height);
    gx_scroll_wheel_selected_set(wheel, info->ewi.scroll_wheel.selected_row);

    return (GX_WIDGET*)wheel;
}

void generic_scroll_wheel_service_provider::SaveToProject(xml_writer &writer, studiox_project *project, int display, widget_info *info)
{
    scroll_wheel_service_provider::SaveToProject(writer, project, display, info);

    writer.WriteString("callback", info->callback_func);
}

void generic_scroll_wheel_service_provider::ReadFromProject(xml_reader &reader, studiox_project *project, int display, widget_info *info, ULONG valid_styles)
{
    scroll_wheel_service_provider::ReadFromProject(reader, project, display, info, valid_styles);

    reader.ReadString("callback", info->callback_func);
}

void generic_scroll_wheel_service_provider::AssignScrollWheelInfo(widget_info *info, scroll_wheel_info *wheel_info)
{
    GX_GENERIC_SCROLL_WHEEL* wheel = (GX_GENERIC_SCROLL_WHEEL*)(info->widget);

    info->ewi.scroll_wheel = *wheel_info;

    if (wheel)
    {
        gx_scroll_wheel_gradient_alpha_set(wheel, wheel_info->start_alpha, wheel_info->end_alpha);
        gx_generic_scroll_wheel_row_height_set(wheel, wheel_info->row_height);

        gx_scroll_wheel_selected_set(wheel, wheel_info->selected_row);

        if (wheel_info->total_rows > 0)
        {
            gx_generic_scroll_wheel_total_rows_set(wheel, wheel_info->total_rows);
        }
    }
}