120 lines
3.0 KiB
C
120 lines
3.0 KiB
C
/*
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* iconbox.c - icon widget
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*
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* Copyright © 2007-2008 Julien Danjou <julien@danjou.info>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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*/
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#include "widget.h"
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#include "common/util.h"
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#include "common/tokenize.h"
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typedef struct
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{
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draw_image_t *image;
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bool resize;
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} iconbox_data_t;
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static int
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iconbox_draw(draw_context_t *ctx, int screen __attribute__ ((unused)),
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widget_node_t *w,
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int offset,
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int used __attribute__ ((unused)),
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void *p __attribute__ ((unused)))
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{
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iconbox_data_t *d = w->widget->data;
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draw_image_t *image = d->image;
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/* image not valid */
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if(!image)
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return (w->area.width = 0);
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if(d->resize)
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w->area.width = ((double) ctx->height / image->height) * image->width;
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else
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w->area.width = image->width;
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if(w->area.width > ctx->width - used)
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return (w->area.width = 0);
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w->area.height = ctx->height;
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w->area.x = widget_calculate_offset(ctx->width,
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w->area.width,
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offset,
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w->widget->align);
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w->area.y = 0;
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draw_image(ctx, w->area.x, w->area.y,
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d->resize ? ctx->height : 0, image);
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return w->area.width;
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}
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static widget_tell_status_t
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iconbox_tell(widget_t *widget, const char *property, const char *new_value)
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{
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iconbox_data_t *d = widget->data;
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if(!new_value)
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return WIDGET_ERROR_NOVALUE;
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switch(a_tokenize(property, -1))
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{
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case A_TK_IMAGE:
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draw_image_delete(&d->image);
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d->image = draw_image_new(new_value);
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break;
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case A_TK_RESIZE:
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d->resize = a_strtobool(new_value, -1);
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break;
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default:
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return WIDGET_ERROR;
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}
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return WIDGET_NOERROR;
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}
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static void
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iconbox_destructor(widget_t *widget)
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{
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iconbox_data_t *d = widget->data;
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draw_image_delete(&d->image);
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p_delete(&d);
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}
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widget_t *
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iconbox_new(alignment_t align)
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{
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widget_t *w;
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iconbox_data_t *d;
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w = p_new(widget_t, 1);
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widget_common_new(w);
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w->align = align;
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w->draw = iconbox_draw;
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w->tell = iconbox_tell;
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w->destructor = iconbox_destructor;
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w->data = d = p_new(iconbox_data_t, 1);
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d->resize = true;
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return w;
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}
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// vim: filetype=c:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=80
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