145 lines
4.8 KiB
C
145 lines
4.8 KiB
C
/* LIBPIKA - The PIKA Library
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* Copyright (C) 1995-1997 Peter Mattis and Spencer Kimball
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*
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* pikaprogress.h
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*
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* This library is free software: you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 3 of the License, or (at your option) any later version.
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*
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* This library 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 GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library. If not, see
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* <https://www.gnu.org/licenses/>.
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*/
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#if !defined (__PIKA_H_INSIDE__) && !defined (PIKA_COMPILATION)
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#error "Only <libpika/pika.h> can be included directly."
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#endif
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#ifndef __PIKA_PROGRESS_H__
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#define __PIKA_PROGRESS_H__
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G_BEGIN_DECLS
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/**
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* PikaProgressVtableStartFunc:
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* @message: The message to show
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* @cancelable: Whether the procedure is cancelable
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* @user_data: (closure): User data
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*
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* Starts the progress
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*/
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typedef void (* PikaProgressVtableStartFunc) (const gchar *message,
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gboolean cancelable,
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gpointer user_data);
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/**
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* PikaProgressVtableEndFunc:
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* @user_data: (closure): User data
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*
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* Ends the progress
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*/
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typedef void (* PikaProgressVtableEndFunc) (gpointer user_data);
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/**
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* PikaProgressVtableSetTextFunc:
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* @message: The new text
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* @user_data: (closure): User data
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*
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* Sets a new text on the progress.
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*/
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typedef void (* PikaProgressVtableSetTextFunc) (const gchar *message,
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gpointer user_data);
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/**
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* PikaProgressVtableSetValueFunc:
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* @percentage: The progress in percent
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* @user_data: (closure): User data
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*
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* Sets a new percentage on the progress.
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*/
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typedef void (* PikaProgressVtableSetValueFunc) (gdouble percentage,
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gpointer user_data);
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/**
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* PikaProgressVtablePulseFunc:
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* @user_data: (closure): User data
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*
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* Makes the progress pulse
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*/
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typedef void (* PikaProgressVtablePulseFunc) (gpointer user_data);
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/**
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* PikaProgressVtableGetWindowFunc:
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* @user_data: (closure): User data
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*
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* Returns: the handle of the window where the progress is displayed.
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*/
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typedef GBytes * (* PikaProgressVtableGetWindowFunc) (gpointer user_data);
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typedef struct _PikaProgressVtable PikaProgressVtable;
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/**
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* PikaProgressVtable:
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* @start: starts the progress.
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* @end: ends the progress.
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* @set_text: sets a new text on the progress.
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* @set_value: sets a new percentage on the progress.
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* @pulse: makes the progress pulse.
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* @get_window_handle: returns the handle of the window where the progress is displayed.
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* @_pika_reserved1: reserved pointer for future expansion.
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* @_pika_reserved2: reserved pointer for future expansion.
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* @_pika_reserved3: reserved pointer for future expansion.
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* @_pika_reserved4: reserved pointer for future expansion.
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* @_pika_reserved5: reserved pointer for future expansion.
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* @_pika_reserved6: reserved pointer for future expansion.
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* @_pika_reserved7: reserved pointer for future expansion.
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* @_pika_reserved8: reserved pointer for future expansion.
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**/
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struct _PikaProgressVtable
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{
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PikaProgressVtableStartFunc start;
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PikaProgressVtableEndFunc end;
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PikaProgressVtableSetTextFunc set_text;
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PikaProgressVtableSetValueFunc set_value;
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PikaProgressVtablePulseFunc pulse;
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PikaProgressVtableGetWindowFunc get_window_handle;
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/* Padding for future expansion. Must be initialized with NULL! */
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void (* _pika_reserved1) (void);
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void (* _pika_reserved2) (void);
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void (* _pika_reserved3) (void);
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void (* _pika_reserved4) (void);
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void (* _pika_reserved5) (void);
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void (* _pika_reserved6) (void);
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void (* _pika_reserved7) (void);
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void (* _pika_reserved8) (void);
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};
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const gchar * pika_progress_install_vtable (const PikaProgressVtable *vtable,
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gpointer user_data,
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GDestroyNotify user_data_destroy);
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void pika_progress_uninstall (const gchar *progress_callback);
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gboolean pika_progress_init (const gchar *message);
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gboolean pika_progress_init_printf (const gchar *format,
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...) G_GNUC_PRINTF (1, 2);
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gboolean pika_progress_set_text_printf (const gchar *format,
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...) G_GNUC_PRINTF (1, 2);
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gboolean pika_progress_update (gdouble percentage);
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G_END_DECLS
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#endif /* __PIKA_PROGRESS_H__ */
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