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/***************************************************************************
gui_icon.c - description
-------------------
begin : Wed Oct 16 2002
copyright : (C) 2002 by Michael Speck
email : kulkanie@gmx.net
***************************************************************************/
/***************************************************************************
* *
* 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. *
* *
***************************************************************************/
#include <stdlib.h>
#include "gui_widget.h"
#include "gui_icon.h"
extern GuiTheme *gui_theme;
extern SDL_Surface *stk_display;
/*
====================================================================
LOCALS
====================================================================
*/
/*
====================================================================
Default event handler
====================================================================
*/
static void default_event_handler(
GuiWidget *widget, GuiEvent *event )
{
switch ( event->type ) {
case GUI_DESTROY:
break;
case GUI_DRAW:
/* display surface */
stk_surface_blit(
widget->surface, 0, 0, -1, -1,
stk_display,
widget->screen_region.x,
widget->screen_region.y );
break;
}
}
/*
====================================================================
PUBLICS
====================================================================
*/
/*
====================================================================
Create an icon widget that displays the icon centered and uses
the parent's background.
====================================================================
*/
GuiWidget *gui_icon_create(
GuiWidget *parent, int x, int y, int width, int height, int with_frame,
void (*user_event_handler)(GuiWidget*,GuiEvent*),
SDL_Surface *icon, int ix, int iy, int iw, int ih )
{
GuiWidget *widget = gui_widget_create(
parent, GUI_ICON, x, y, width, height,
default_event_handler, user_event_handler );
/* events */
gui_widget_enable_event( widget, GUI_CLICKED );
/* create surface and add frame -
contents is set by icon_set_icon() */
widget->surface = stk_surface_create(
SDL_SWSURFACE, width, height );
if ( with_frame )
widget->border = stk_surface_apply_frame(
widget->surface, 0, 0, -1, -1,
gui_theme->widget_frame );
/* size w/o border */
widget->width -= 2 * widget->border;
widget->height -= 2 * widget->border;
/* set icon */
gui_icon_set_icon( widget, icon, ix, iy, iw, ih );
/* done */
return widget;
}
/*
====================================================================
Apply a new icon.
====================================================================
*/
void gui_icon_set_icon(
GuiWidget *widget, SDL_Surface *icon,
int ix, int iy, int iw, int ih )
{
if ( widget->type != GUI_ICON ) return;
/* clear widget to wallpaper */
gui_widget_apply_wallpaper(
widget, gui_theme->widget_wallpaper, -1 );
/* add icon */
if ( icon ) {
/* adjust size */
if ( iw == -1 ) iw = icon->w;
if ( ih == -1 ) ih = icon->h;
stk_surface_blit( icon, ix, iy, iw, ih,
widget->surface,
(widget->surface->w - iw)/2,
(widget->surface->h - ih)/2 );
}
/* done */
if ( widget->visible )
gui_widget_draw( widget );
}
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