gboolean
ghid_port_drawing_area_configure_event_cb (GtkWidget * widget,
GdkEventConfigure * ev,
GHidPort * out)
{
static gboolean first_time_done;
HideCrosshair (TRUE);
gport->width = ev->width;
gport->height = ev->height;
if (gport->pixmap)
gdk_pixmap_unref (gport->pixmap);
gport->pixmap = gdk_pixmap_new (widget->window,
gport->width, gport->height, -1);
gport->drawable = gport->pixmap;
if (!first_time_done)
{
gport->colormap = gtk_widget_get_colormap (gport->top_window);
gport->bg_gc = gdk_gc_new (gport->drawable);
if (gdk_color_parse (Settings.BackgroundColor, &gport->bg_color))
gdk_color_alloc (gport->colormap, &gport->bg_color);
else
gdk_color_white (gport->colormap, &gport->bg_color);
gdk_gc_set_foreground (gport->bg_gc, &gport->bg_color);
gport->offlimits_gc = gdk_gc_new (gport->drawable);
if (gdk_color_parse (Settings.OffLimitColor, &gport->offlimits_color))
gdk_color_alloc (gport->colormap, &gport->offlimits_color);
else
gdk_color_white (gport->colormap, &gport->offlimits_color);
gdk_gc_set_foreground (gport->offlimits_gc, &gport->offlimits_color);
first_time_done = TRUE;
PCBChanged (0, NULL, 0, 0);
}
if (gport->mask)
{
gdk_pixmap_unref (gport->mask);
gport->mask = gdk_pixmap_new (0, gport->width, gport->height, 1);
}
ghid_port_ranges_scale (FALSE);
ghid_invalidate_all ();
RestoreCrosshair (TRUE);
return 0;
}
void
ghid_port_ranges_zoom (gdouble zoom)
{
gdouble xtmp, ytmp;
gint x0, y0;
/* figure out zoom values in that would just make the width fit and
* that would just make the height fit
*/
xtmp = (gdouble) PCB->MaxWidth / gport->width;
ytmp = (gdouble) PCB->MaxHeight / gport->height;
/* if we've tried to zoom further out than what would make the
* entire board fit or we passed 0, then pick a zoom that just makes
* the board fit.
*/
if ((zoom > xtmp && zoom > ytmp) || zoom == 0.0)
zoom = (xtmp > ytmp) ? xtmp : ytmp;
xtmp = (gport->view_x - gport->view_x0) / (gdouble) gport->view_width;
ytmp = (gport->view_y - gport->view_y0) / (gdouble) gport->view_height;
gport->zoom = zoom;
pixel_slop = zoom;
ghid_port_ranges_scale(FALSE);
x0 = gport->view_x - xtmp * gport->view_width;
if (x0 < 0)
x0 = 0;
gport->view_x0 = x0;
y0 = gport->view_y - ytmp * gport->view_height;
if (y0 < 0)
y0 = 0;
gport->view_y0 = y0;
ghidgui->adjustment_changed_holdoff = TRUE;
gtk_range_set_value (GTK_RANGE (ghidgui->h_range), gport->view_x0);
gtk_range_set_value (GTK_RANGE (ghidgui->v_range), gport->view_y0);
ghidgui->adjustment_changed_holdoff = FALSE;
ghid_port_ranges_changed();
}
gboolean
ghid_port_drawing_area_configure_event_cb (GtkWidget * widget,
GdkEventConfigure * ev,
GHidPort * out)
{
static gboolean first_time_done;
gport->width = ev->width;
gport->height = ev->height;
if (gport->pixmap)
gdk_pixmap_unref (gport->pixmap);
gport->pixmap = gdk_pixmap_new (gtk_widget_get_window (widget),
gport->width, gport->height, -1);
gport->drawable = gport->pixmap;
if (!first_time_done)
{
gport->colormap = gtk_widget_get_colormap (gport->top_window);
if (gdk_color_parse (Settings.BackgroundColor, &gport->bg_color))
gdk_color_alloc (gport->colormap, &gport->bg_color);
else
gdk_color_white (gport->colormap, &gport->bg_color);
if (gdk_color_parse (Settings.OffLimitColor, &gport->offlimits_color))
gdk_color_alloc (gport->colormap, &gport->offlimits_color);
else
gdk_color_white (gport->colormap, &gport->offlimits_color);
first_time_done = TRUE;
ghid_drawing_area_configure_hook (out);
PCBChanged (0, NULL, 0, 0);
}
else
{
ghid_drawing_area_configure_hook (out);
}
ghid_port_ranges_scale ();
ghid_invalidate_all ();
return 0;
}