| 1 /** |
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| 2 * @file eventloop.h Gaim Event Loop API |
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| 3 * @ingroup core |
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| 4 * |
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| 5 * gaim |
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| 6 * |
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| 7 * Gaim is the legal property of its developers, whose names are too numerous |
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| 8 * to list here. Please refer to the COPYRIGHT file distributed with this |
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| 9 * source distribution. |
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| 10 * |
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| 11 * This program is free software; you can redistribute it and/or modify |
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| 12 * it under the terms of the GNU General Public License as published by |
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| 13 * the Free Software Foundation; either version 2 of the License, or |
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| 14 * (at your option) any later version. |
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| 15 * |
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| 16 * This program is distributed in the hope that it will be useful, |
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| 17 * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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| 19 * GNU General Public License for more details. |
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| 20 * |
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| 21 * You should have received a copy of the GNU General Public License |
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| 22 * along with this program; if not, write to the Free Software |
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| 23 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
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| 24 */ |
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| 25 #ifndef _GAIM_EVENTLOOP_H_ |
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| 26 #define _GAIM_EVENTLOOP_H_ |
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| 27 |
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| 28 #include <glib.h> |
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| 29 |
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| 30 #ifdef __cplusplus |
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| 31 extern "C" { |
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| 32 #endif |
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| 33 |
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| 34 /** |
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| 35 * An input condition. |
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| 36 */ |
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| 37 typedef enum |
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| 38 { |
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| 39 GAIM_INPUT_READ = 1 << 0, /**< A read condition. */ |
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| 40 GAIM_INPUT_WRITE = 1 << 1 /**< A write condition. */ |
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| 41 |
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| 42 } GaimInputCondition; |
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| 43 |
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| 44 typedef void (*GaimInputFunction)(gpointer, gint, GaimInputCondition); |
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| 45 |
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| 46 typedef struct _GaimEventLoopUiOps GaimEventLoopUiOps; |
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| 47 |
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| 48 struct _GaimEventLoopUiOps |
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| 49 { |
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| 50 /** |
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| 51 * Creates a callback timer. |
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| 52 * @see g_timeout_add, gaim_timeout_add |
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| 53 **/ |
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| 54 guint (*timeout_add)(guint interval, GSourceFunc function, gpointer data); |
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| 55 |
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| 56 /** |
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| 57 * Removes a callback timer. |
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| 58 * @see gaim_timeout_remove, g_source_remove |
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| 59 */ |
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| 60 guint (*timeout_remove)(guint handle); |
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| 61 |
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| 62 /** |
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| 63 * Adds an input handler. |
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| 64 * @see gaim_input_add, g_io_add_watch_full |
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| 65 */ |
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| 66 guint (*input_add)(int fd, GaimInputCondition cond, |
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| 67 GaimInputFunction func, gpointer user_data); |
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| 68 |
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| 69 /** |
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| 70 * Removes an input handler. |
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| 71 * @see gaim_input_remove, g_source_remove |
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| 72 */ |
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| 73 guint (*input_remove)(guint handle); |
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| 74 }; |
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| 75 |
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| 76 /**************************************************************************/ |
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| 77 /** @name Event Loop API */ |
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| 78 /**************************************************************************/ |
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| 79 /*@{*/ |
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| 80 /** |
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| 81 * Creates a callback timer. |
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| 82 * The timer will repeat until the function returns @c FALSE. The |
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| 83 * first call will be at the end of the first interval. |
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| 84 * @param interval The time between calls of the function, in |
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| 85 * milliseconds. |
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| 86 * @param function The function to call. |
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| 87 * @param data data to pass to @a function. |
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| 88 * @return A handle to the timer which can be passed to |
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| 89 * gaim_timeout_remove to remove the timer. |
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| 90 */ |
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| 91 guint gaim_timeout_add(guint interval, GSourceFunc function, gpointer data); |
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| 92 |
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| 93 /** |
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| 94 * Removes a timeout handler. |
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| 95 * |
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| 96 * @param handle The handle, as returned by gaim_timeout_add. |
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| 97 * |
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| 98 * @return Something. |
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| 99 */ |
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| 100 guint gaim_timeout_remove(guint handle); |
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| 101 |
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| 102 /** |
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| 103 * Adds an input handler. |
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| 104 * |
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| 105 * @param fd The input file descriptor. |
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| 106 * @param cond The condition type. |
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| 107 * @param func The callback function for data. |
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| 108 * @param user_data User-specified data. |
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| 109 * |
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| 110 * @return The resulting handle (will be greater than 0). |
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| 111 * @see g_io_add_watch_full |
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| 112 */ |
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| 113 guint gaim_input_add(int fd, GaimInputCondition cond, |
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| 114 GaimInputFunction func, gpointer user_data); |
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| 115 |
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| 116 /** |
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| 117 * Removes an input handler. |
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| 118 * |
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| 119 * @param handle The handle of the input handler. Note that this is the return |
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| 120 * value from gaim_input_add, <i>not</i> the file descriptor. |
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| 121 */ |
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| 122 guint gaim_input_remove(guint handle); |
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| 123 |
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| 124 /*@}*/ |
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| 125 |
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| 126 |
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| 127 /**************************************************************************/ |
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| 128 /** @name UI Registration Functions */ |
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| 129 /**************************************************************************/ |
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| 130 /*@{*/ |
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| 131 /** |
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| 132 * Sets the UI operations structure to be used for accounts. |
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| 133 * |
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| 134 * @param ops The UI operations structure. |
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| 135 */ |
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| 136 void gaim_eventloop_set_ui_ops(GaimEventLoopUiOps *ops); |
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| 137 |
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| 138 /** |
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| 139 * Returns the UI operations structure used for accounts. |
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| 140 * |
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| 141 * @return The UI operations structure in use. |
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| 142 */ |
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| 143 GaimEventLoopUiOps *gaim_eventloop_get_ui_ops(void); |
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| 144 |
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| 145 /*@}*/ |
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| 146 |
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| 147 #ifdef __cplusplus |
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| 148 } |
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| 149 #endif |
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| 150 |
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| 151 #endif /* _GAIM_EVENTLOOP_H_ */ |
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