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/*
* File: dw_hruler.c
*
* Copyright (C) 2000 Jorge Arellano Cid <jcid@dillo.org>
*
* 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"
#include "debug.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);
static DwIterator* Dw_hruler_iterator (DwWidget *widget,
gint32 mask,
gboolean at_end);
static void Dw_hruler_iterator_highlight (DwIterator *it,
gint start,
gint end,
DwHighlightLayer layer);
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)
{
GtkObject *object = gtk_object_new (DW_TYPE_HRULER, NULL);
DBG_OBJ_CREATE (object, "DwHRuler");
return DW_WIDGET (object);
}
static void Dw_hruler_init (DwHruler *hruler)
{
int i;
DW_WIDGET_UNSET_FLAGS (hruler, DW_HAS_CONTENT);
for (i = 0; i < DW_HIGHLIGHT_NUM_LAYERS; i++)
hruler->selected[i] = FALSE;
}
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;
widget_class->iterator = Dw_hruler_iterator;
}
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)
{
int i;
gboolean selected = FALSE;
for (i = 0; i < DW_HIGHLIGHT_NUM_LAYERS && !selected; i++)
selected = DW_HRULER(widget)->selected[i];
p_Dw_widget_draw_widget_box (widget, area, selected);
if (selected)
p_Dw_widget_draw_selected (widget, area);
}
static DwIterator *Dw_hruler_iterator (DwWidget *widget,
gint32 mask,
gboolean at_end)
{
DwIterator *it;
it = p_Dw_widget_text_iterator (widget, mask, at_end,
"-----------------------------------"
"-----------------------------------");
if (it)
it->highlight = Dw_hruler_iterator_highlight;
return it;
}
static void Dw_hruler_iterator_highlight (DwIterator *it,
gint start,
gint end,
DwHighlightLayer layer)
{
if (it->content.type == DW_CONTENT_TEXT) {
DW_HRULER(it->widget)->selected[layer] = (start == 0 && end >= 1);
p_Dw_widget_queue_draw (it->widget);
}
}
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