33c44461e1
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@17251 a1c6a512-1295-4272-9138-f99709370657
94 lines
3 KiB
C
94 lines
3 KiB
C
/***************************************************************************
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* __________ __ ___.
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* Open \______ \ ____ ____ | | _\_ |__ _______ ___
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* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
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* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
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* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
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* \/ \/ \/ \/ \/
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* $Id$
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*
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* Copyright (C) 2005 by Kevin Ferrare
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*
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* All files in this archive are subject to the GNU General Public License.
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* See the file COPYING in the source tree root for full license agreement.
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*
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* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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* KIND, either express or implied.
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*
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****************************************************************************/
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#ifndef _GUI_TEXTAREA_H_
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#define _GUI_TEXTAREA_H_
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#include "screen_access.h"
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#include "settings.h"
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#include "statusbar.h"
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struct text_message
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{
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const char **message_lines;
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int nb_lines;
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};
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/*
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* Clears the area in the screen in which text can be displayed
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* and sets the y margin properly
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* - display : the screen structure
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*/
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extern void gui_textarea_clear(struct screen * display);
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/*
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* Updates the area in the screen in which text can be displayed
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* - display : the screen structure
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*/
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extern void gui_textarea_update(struct screen * display);
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/*
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* Displays message lines on the given screen
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* - display : the screen structure
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* - message : the lines to display
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* - ystart : the lineon which we start displaying
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* returns : the number of lines effectively displayed
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*/
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extern int gui_textarea_put_message(struct screen * display,
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const struct text_message * message,
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int ystart);
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/*
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* Compute the number of text lines the display can draw with the current font
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* Also updates the char height and width
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* - display : the screen structure
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*/
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extern void gui_textarea_update_nblines(struct screen * display);
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/*
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* Speak a text_message. The message's lines may be virtual pointers
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* representing language / voicefont IDs (see settings.h).
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*/
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extern void talk_text_message(const struct text_message * message, bool enqueue);
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#ifdef HAVE_LCD_BITMAP
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/*
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* Compute the number of pixels from which text can be displayed
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* - display : the screen structure
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* Returns the number of pixels
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*/
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#define gui_textarea_get_ystart(display) \
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( (global_settings.statusbar)? STATUSBAR_HEIGHT : 0)
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/*
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* Compute the number of pixels below which text can't be displayed
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* - display : the screen structure
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* Returns the number of pixels
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*/
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#ifdef HAS_BUTTONBAR
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#define gui_textarea_get_yend(display) \
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( (display)->height - ( (global_settings.buttonbar && \
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(display)->has_buttonbar)? \
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BUTTONBAR_HEIGHT : 0) )
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#else
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#define gui_textarea_get_yend(display) \
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( (display)->height )
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#endif /* HAS_BUTTONBAR */
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#endif /* HAVE_LCD_BITMAP */
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#endif /* _GUI_TEXTAREA_H_ */
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