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rockbox/apps/gui/quickscreen.c

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/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id$
*
* Copyright (C) 2005 by Kevin Ferrare
*
* All files in this archive are subject to the GNU General Public License.
* See the file COPYING in the source tree root for full license agreement.
*
* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
* KIND, either express or implied.
*
****************************************************************************/
#include "quickscreen.h"
#ifdef HAVE_QUICKSCREEN
#include <stdio.h>
#include "system.h"
#include "icons.h"
#include "textarea.h"
#include "font.h"
#include "kernel.h"
#include "misc.h"
#include "statusbar.h"
void gui_quickscreen_init(struct gui_quickscreen * qs,
struct option_select *left_option,
struct option_select *bottom_option,
struct option_select *right_option,
quickscreen_callback callback)
{
qs->left_option=left_option;
qs->bottom_option=bottom_option;
qs->right_option=right_option;
qs->callback=callback;
}
void gui_quickscreen_draw(struct gui_quickscreen * qs, struct screen * display)
{
#define PUTS_CENTER (display->height/2/font_h)
#define PUTS_BOTTOM (display->height/font_h)
#define PUTSXY_CENTER (display->height/2)
#define PUTSXY_BOTTOM (display->height)
char buffer[30];
const unsigned char *option;
const unsigned char *title;
int w, font_h;
bool statusbar = global_settings.statusbar;
#ifdef HAS_BUTTONBAR
display->has_buttonbar=false;
#endif
gui_textarea_clear(display);
display->setfont(FONT_SYSFIXED);
display->getstringsize("A", NULL, &font_h);
/* Displays the first line of text */
option=(unsigned char *)option_select_get_text(qs->left_option, buffer,
sizeof buffer);
title=(unsigned char *)qs->left_option->title;
display->puts_scroll(2, PUTS_CENTER-4+!statusbar, title);
display->puts_scroll(2, PUTS_CENTER-3+!statusbar, option);
display->mono_bitmap(bitmap_icons_7x8[Icon_FastBackward], 1,
PUTSXY_CENTER-(font_h*3), 7, 8);
/* Displays the second line of text */
option=(unsigned char *)option_select_get_text(qs->right_option, buffer,
sizeof buffer);
title=(unsigned char *)qs->right_option->title;
display->getstringsize(title, &w, NULL);
if(w > display->width - 8)
{
display->puts_scroll(2, PUTS_CENTER-2+!statusbar, title);
display->mono_bitmap(bitmap_icons_7x8[Icon_FastForward], 1,
PUTSXY_CENTER-font_h, 7, 8);
}
else
{
display->putsxy(display->width - w - 12, PUTSXY_CENTER-font_h, title);
display->mono_bitmap(bitmap_icons_7x8[Icon_FastForward],
display->width - 8, PUTSXY_CENTER-font_h, 7, 8);
}
display->getstringsize(option, &w, NULL);
if(w > display->width)
display->puts_scroll(0, PUTS_CENTER-1+!statusbar, option);
else
display->putsxy(display->width -w-12, PUTSXY_CENTER, option);
/* Displays the third line of text */
option=(unsigned char *)option_select_get_text(qs->bottom_option, buffer,
sizeof buffer);
title=(unsigned char *)qs->bottom_option->title;
display->getstringsize(title, &w, NULL);
if(w > display->width)
display->puts_scroll(0, PUTS_BOTTOM-4+!statusbar, title);
else
display->putsxy(display->width/2-w/2, PUTSXY_BOTTOM-(font_h*3), title);
display->getstringsize(option, &w, NULL);
if(w > display->width)
display->puts_scroll(0, PUTS_BOTTOM-3+!statusbar, option);
else
display->putsxy(display->width/2-w/2, PUTSXY_BOTTOM-(font_h*2), option);
display->mono_bitmap(bitmap_icons_7x8[Icon_DownArrow], display->width/2-4,
PUTSXY_BOTTOM-font_h, 7, 8);
gui_textarea_update(display);
display->setfont(FONT_UI);
}
void gui_syncquickscreen_draw(struct gui_quickscreen * qs)
{
int i;
FOR_NB_SCREENS(i)
gui_quickscreen_draw(qs, &screens[i]);
}
bool gui_quickscreen_do_button(struct gui_quickscreen * qs, int button)
{
switch(button)
{
case QUICKSCREEN_LEFT :
case QUICKSCREEN_LEFT | BUTTON_REPEAT :
#ifdef QUICKSCREEN_RC_LEFT
case QUICKSCREEN_RC_LEFT :
case QUICKSCREEN_RC_LEFT | BUTTON_REPEAT :
#endif
option_select_next(qs->left_option);
return(true);
case QUICKSCREEN_BOTTOM :
case QUICKSCREEN_BOTTOM | BUTTON_REPEAT :
#ifdef QUICKSCREEN_RC_BOTTOM
case QUICKSCREEN_RC_BOTTOM :
case QUICKSCREEN_RC_BOTTOM | BUTTON_REPEAT :
#endif
option_select_next(qs->bottom_option);
return(true);
case QUICKSCREEN_RIGHT :
case QUICKSCREEN_RIGHT | BUTTON_REPEAT :
#ifdef QUICKSCREEN_RC_RIGHT
case QUICKSCREEN_RC_RIGHT :
case QUICKSCREEN_RC_RIGHT | BUTTON_REPEAT :
#endif
option_select_next(qs->right_option);
return(true);
#ifdef QUICKSCREEN_BOTTOM_INV
case QUICKSCREEN_BOTTOM_INV :
case QUICKSCREEN_BOTTOM_INV | BUTTON_REPEAT :
#endif
#ifdef QUICKSCREEN_RC_BOTTOM_INV
case QUICKSCREEN_RC_BOTTOM_INV :
case QUICKSCREEN_RC_BOTTOM_INV | BUTTON_REPEAT :
#endif
#if defined(QUICKSCREEN_RC_BOTTOM_INV) || defined(QUICKSCREEN_BOTTOM_INV)
option_select_prev(qs->bottom_option);
return(true);
#endif
}
return(false);
}
#ifdef BUTTON_REMOTE
#define uncombine_button(key_read, combined_button) \
key_read & ~(combined_button & ~BUTTON_REMOTE)
#else
#define uncombine_button(key_read, combined_button) \
key_read & ~combined_button
#endif
bool gui_syncquickscreen_run(struct gui_quickscreen * qs, int button_enter)
{
int raw_key, button;
/* To quit we need either :
* - a second press on the button that made us enter
* - an action taken while pressing the enter button,
* then release the enter button*/
bool can_quit=false;
gui_syncquickscreen_draw(qs);
gui_syncstatusbar_draw(&statusbars, true);
while (true) {
raw_key = button_get(true);
button=uncombine_button(raw_key, button_enter);
if(default_event_handler(button) == SYS_USB_CONNECTED)
return(true);
if(gui_quickscreen_do_button(qs, button))
{
can_quit=true;
if(qs->callback)
qs->callback(qs);
gui_syncquickscreen_draw(qs);
}
else if(raw_key==button_enter)
can_quit=true;
if(raw_key==(button_enter | BUTTON_REL) && can_quit)
return(false);
#ifdef QUICKSCREEN_QUIT
if(raw_key==QUICKSCREEN_QUIT
#ifdef QUICKSCREEN_QUIT2
|| raw_key==QUICKSCREEN_QUIT2
#endif
#if QUICKSCREEN_RC_QUIT
|| raw_key==QUICKSCREEN_RC_QUIT
#endif
)
return(false);
#endif /* QUICKSCREEN_QUIT */
gui_syncstatusbar_draw(&statusbars, false);
}
}
#endif /* HAVE_QUICKSCREEN */
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