widget.h

   1 /*
   2  * widget.h - widget managing header
   3  *
   4  * Copyright © 2007-2008 Julien Danjou <julien@danjou.info>
   5  *
   6  * This program is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License as published by
   8  * the Free Software Foundation; either version 2 of the License, or
   9  * (at your option) any later version.
  10  *
  11  * This program is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  * GNU General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public License along
  17  * with this program; if not, write to the Free Software Foundation, Inc.,
  18  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  19  *
  20  */
  21
  22 #ifndef AWESOME_WIDGET_H
  23 #define AWESOME_WIDGET_H
  24
  25 #include "structs.h"
  26
  27 #define WIDGET_CACHE_EMBEDDED       (1<<3)
  28
  29 struct widget_node_t
  30 {
  31     /** The widget */
  32     widget_t *widget;
  33     /** The area where the widget was drawn */
  34     area_t area;
  35 };
  36
  37 /** Delete a widget structure.
  38  * \param widget The widget to destroy.
  39  */
  40 static inline void
  41 widget_delete(widget_t **widget)
  42 {
  43     if((*widget)->destructor)
  44         (*widget)->destructor(*widget);
  45     button_array_wipe(&(*widget)->buttons);
  46     p_delete(&(*widget)->name);
  47     p_delete(widget);
  48 }
  49
  50 DO_RCNT(widget_t, widget, widget_delete)
  51
  52 void widget_invalidate_cache(int, int);
  53 int widget_calculate_offset(int, int, int, int);
  54 void widget_common_new(widget_t *);
  55 void widget_render(widget_node_array_t *, draw_context_t *, xcb_gcontext_t, xcb_drawable_t, int, orientation_t, int, int, wibox_t *);
  56
  57 int luaA_widget_userdata_new(lua_State *, widget_t *);
  58 void luaA_table2widgets(lua_State *, widget_node_array_t *);
  59
  60 void widget_invalidate_bywidget(widget_t *);
  61
  62 widget_constructor_t textbox_new;
  63 widget_constructor_t progressbar_new;
  64 widget_constructor_t graph_new;
  65 widget_constructor_t systray_new;
  66 widget_constructor_t imagebox_new;
  67
  68 /** Delete a widget node structure.
  69  * \param node The node to destroy.
  70  */
  71 static inline void
  72 widget_node_delete(widget_node_t *node)
  73 {
  74     widget_unref(&node->widget);
  75 }
  76
  77 ARRAY_FUNCS(widget_node_t, widget_node, widget_node_delete)
  78
  79 #endif
  80
  81 // vim: filetype=c:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=80