dw_hruler.c

嵌入式浏览器Dillo源码

/*
 * File: dw_hruler.c
 *
 * Copyright (C) 2000 Jorge Arellano Cid <[e-mail]>
 *
 * 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 is really an empty widget, the HTML parser puts a border
 * around it, and drawing is done in Dw_widget_draw_widget_box. The
 * only remarkable point is that the DW_HAS_CONTENT flag is
 * cleared.
 */

#include "dw_hruler.h"
#include "dw_gtk_viewport.h"

static void Dw_hruler_init              (DwHruler *hruler);
static void Dw_hruler_class_init        (DwHrulerClass *klass);

static void Dw_hruler_size_request      (DwWidget *widget,
                                         DwRequisition *requisition);
static void Dw_hruler_draw              (DwWidget *widget,
                                         DwRectangle *area,
                                         GdkEventExpose *event);


GtkType a_Dw_hruler_get_type (void)
{
   static GtkType type = 0;

   if (!type) {
      GtkTypeInfo info = {
         "DwHruler",
         sizeof (DwHruler),
         sizeof (DwHrulerClass),
         (GtkClassInitFunc) Dw_hruler_class_init,
         (GtkObjectInitFunc) Dw_hruler_init,
         (GtkArgSetFunc) NULL,
         (GtkArgGetFunc) NULL,
         (GtkClassInitFunc) NULL
      };

      type = gtk_type_unique (DW_TYPE_WIDGET, &info);
   }

   return type;
}


DwWidget* a_Dw_hruler_new (void)
{
   return DW_WIDGET (gtk_object_new (DW_TYPE_HRULER, NULL));
}


static void Dw_hruler_init (DwHruler *hruler)
{
   DW_WIDGET_UNSET_FLAGS (hruler, DW_HAS_CONTENT);
}


static void Dw_hruler_class_init (DwHrulerClass *klass)
{
   GtkObjectClass *object_class;
   DwWidgetClass *widget_class;

   object_class = GTK_OBJECT_CLASS (klass);

   widget_class = (DwWidgetClass*)klass;
   widget_class->size_request = Dw_hruler_size_request;
   widget_class->draw = Dw_hruler_draw;
}


static void Dw_hruler_size_request (DwWidget *widget,
                                    DwRequisition *requisition)
{
   requisition->width = p_Dw_style_box_diff_width (widget->style);
   requisition->ascent = p_Dw_style_box_diff_height (widget->style);
   requisition->descent = 0;
}


static void Dw_hruler_draw (DwWidget *widget,
                            DwRectangle *area,
                            GdkEventExpose *event)
{
   p_Dw_widget_draw_widget_box (widget, area);
}