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/* A gzw border. */
#include <gtk/gtk.h>
#include "gzw.h"
#include "gzwborder.h"
static void
gzw_border_size_nego_x (Gzw *gzw, gint width)
{
gint border;
border = ((GzwBorder *)gzw)->border;
gzw_size_nego_x (((GzwBorder *)gzw)->child, width - border * 2);
gzw->req_height = ((GzwBorder *)gzw)->child->req_height + border * 2;
gzw->req_ascent = ((GzwBorder *)gzw)->child->req_ascent + border * 2;
}
static void
gzw_border_size_nego_y (Gzw *gzw, GzwRect *allocation)
{
GzwRect child_allocation;
gint border;
GzwRect repaint;
border = ((GzwBorder *)gzw)->border;
/* Request incremental repaints. */
if (allocation->x0 == gzw->allocation.x0 &&
allocation->y0 == gzw->allocation.y0)
{
if (allocation->x1 != gzw->allocation.x1)
{
repaint.x0 = MIN (allocation->x1, gzw->allocation.x1) - border;
repaint.y0 = allocation->y0;
repaint.x1 = allocation->x1;
repaint.y1 = allocation->y1;
gzw_request_paint (gzw, &repaint);
}
if (allocation->y1 != gzw->allocation.y1)
{
repaint.x0 = allocation->x0;
repaint.y0 = MIN (allocation->y1, gzw->allocation.y1) - border;
repaint.x1 = allocation->x1;
repaint.y1 = allocation->y1;
#ifdef VERBOSE
g_print ("gzw_border_size_nego_y: request (%d, %d) - (%d, %d)\n",
repaint.x0,
repaint.y0,
repaint.x1,
repaint.y1);
#endif
gzw_request_paint (gzw, &repaint);
}
}
gzw->allocation = *allocation;
child_allocation.x0 = allocation->x0 + border;
child_allocation.x1 = allocation->x1 - border;
child_allocation.y0 = allocation->y0 + border;
child_allocation.y1 = allocation->y1 - border;
gzw_size_nego_y (((GzwBorder *)gzw)->child, &child_allocation);
}
static void
gzw_border_paint (Gzw *gzw, GzwRect *rect, GzwPaint *paint)
{
GtkWidget *widget;
GzwContainer *container;
GzwRect child_rect;
#ifdef VERBOSE
g_print ("gzw_border_paint (%d, %d) - (%d, %d)",
rect->x0, rect->y0, rect->x1, rect->y1);
#endif
container = gzw_find_container (gzw);
if (container != NULL)
{
#ifdef VERBOSE
g_print (", visible = (%d, %d) - (%d, %d)\n",
container->visible.x0, container->visible.y0,
container->visible.x1, container->visible.y1);
#endif
widget = container->widget;
gzw_paint_to_screen (widget, container, rect, paint);
gzw_rect_intersect (&child_rect, rect,
&((GzwBorder *)gzw)->child->allocation);
if (!gzw_rect_empty (&child_rect))
{
gzw_paint (((GzwBorder *)gzw)->child, &child_rect, paint);
gzw_paint_to_screen (widget, container, &child_rect, paint);
}
gzw_paint_finish_screen (paint);
}
#ifdef VERBOSE
else
g_print ("\n");
#endif
}
static void
gzw_border_handle_event (Gzw *gzw, GdkEvent *event)
{
gzw_handle_event (((GzwBorder *)gzw)->child, event);
}
static void
gzw_border_gtk_foreach (Gzw *gzw, GzwCallback callback, gpointer callback_data,
GzwRect *plus, GzwRect *minus)
{
gzw_gtk_foreach (((GzwBorder *)gzw)->child, callback, callback_data,
plus, minus);
}
static void
gzw_border_destroy (Gzw *gzw)
{
gzw_destroy (((GzwBorder *)gzw)->child);
g_free (gzw);
}
static void
gzw_border_request_resize (Gzw *gzw, Gzw *child)
{
gint border;
border = ((GzwBorder *)gzw)->border;
gzw->req_width_min = ((GzwBorder *)gzw)->child->req_width_min + border * 2;
gzw->req_width_max = ((GzwBorder *)gzw)->child->req_width_max + border * 2;
gzw_request_parent_resize (gzw);
}
static const GzwClass gzw_border_class =
{
gzw_border_size_nego_x,
gzw_border_size_nego_y,
gzw_border_paint,
gzw_border_handle_event,
gzw_border_gtk_foreach,
gzw_border_destroy,
gzw_border_request_resize
};
Gzw *
gzw_border_new (Gzw *child, gint border)
{
GzwBorder *gzw_border;
GzwRect null_rect = {0, 0, 0, 0};
gzw_border = g_new (GzwBorder, 1);
gzw_border->gzw.klass = &gzw_border_class;
gzw_border->gzw.allocation = null_rect;
gzw_border->gzw.req_width_min = child->req_width_min + border * 2;
gzw_border->gzw.req_width_max = child->req_width_max + border * 2;
gzw_border->gzw.flags = child->flags &
(GZW_FLAG_BASELINE | GZW_FLAG_GTK_EMBED);
gzw_border->gzw.parent = NULL;
gzw_border->gzw.container = NULL;
gzw_border->child = child;
gzw_border->border = border;
child->parent = (Gzw *)gzw_border;
return (Gzw *)gzw_border;
}
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