rockbox/apps/gui/buttonbar.c
Jens Arnold 2597a13497 Next round of static'ing and related fixes.
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@11836 a1c6a512-1295-4272-9138-f99709370657
2006-12-25 14:01:47 +00:00

132 lines
4.1 KiB
C

/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id$
*
* Copyright (C) Linus Nielsen Feltzing (2002)
*
* 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.
*
****************************************************************************/
/*
2005 Kevin Ferrare :
- Multi screen support
- Rewrote a lot of code to avoid global vars and make it accept eventually
more that 3 buttons on the bar (just the prototype of gui_buttonbar_set
and the constant BUTTONBAR_MAX_BUTTONS to modify)
*/
#include "config.h"
#include "buttonbar.h"
#ifdef HAS_BUTTONBAR
#include "lcd.h"
#include "font.h"
#include "string.h"
#include "settings.h"
void gui_buttonbar_init(struct gui_buttonbar * buttonbar)
{
gui_buttonbar_unset(buttonbar);
}
void gui_buttonbar_set_display(struct gui_buttonbar * buttonbar,
struct screen * display)
{
buttonbar->display = display;
}
static void gui_buttonbar_draw_button(struct gui_buttonbar * buttonbar, int num)
{
int xpos, ypos, button_width, text_width;
int fh;
struct screen * display = buttonbar->display;
display->getstringsize("M", NULL, &fh);
button_width = display->width/BUTTONBAR_MAX_BUTTONS;
xpos = num * button_width;
ypos = display->height - fh;
if(buttonbar->caption[num][0] != 0)
{
/* center the text */
text_width = display->getstringsize(buttonbar->caption[num], NULL, NULL);
display->putsxy(xpos + (button_width - text_width)/2,
ypos, buttonbar->caption[num]);
}
display->set_drawmode(DRMODE_COMPLEMENT);
display->fillrect(xpos, ypos, button_width - 1, fh);
display->set_drawmode(DRMODE_SOLID);
}
void gui_buttonbar_set(struct gui_buttonbar * buttonbar,
const char *caption1,
const char *caption2,
const char *caption3)
{
gui_buttonbar_unset(buttonbar);
if(caption1)
{
strncpy(buttonbar->caption[0], caption1, 7);
buttonbar->caption[0][7] = 0;
}
if(caption2)
{
strncpy(buttonbar->caption[1], caption2, 7);
buttonbar->caption[1][7] = 0;
}
if(caption3)
{
strncpy(buttonbar->caption[2], caption3, 7);
buttonbar->caption[2][7] = 0;
}
}
void gui_buttonbar_unset(struct gui_buttonbar * buttonbar)
{
int i;
for(i = 0;i < BUTTONBAR_MAX_BUTTONS;i++)
buttonbar->caption[i][0] = 0;
}
void gui_buttonbar_draw(struct gui_buttonbar * buttonbar)
{
struct screen * display = buttonbar->display;
screen_has_buttonbar(display, gui_buttonbar_isset(buttonbar));
if(!global_settings.buttonbar || !display->has_buttonbar)
return;
int i;
display->setfont(FONT_SYSFIXED);
display->set_drawmode(DRMODE_SOLID|DRMODE_INVERSEVID);
display->fillrect(0, display->height - BUTTONBAR_HEIGHT,
display->width, BUTTONBAR_HEIGHT);
display->set_drawmode(DRMODE_SOLID);
for(i = 0;i < BUTTONBAR_MAX_BUTTONS;i++)
gui_buttonbar_draw_button(buttonbar, i);
display->update_rect(0, display->height - BUTTONBAR_HEIGHT,
display->width, BUTTONBAR_HEIGHT);
display->setfont(FONT_UI);
}
bool gui_buttonbar_isset(struct gui_buttonbar * buttonbar)
{
/* If all buttons are unset, the button bar is considered disabled */
int i;
for(i = 0;i < BUTTONBAR_MAX_BUTTONS;i++)
if(buttonbar->caption[i][0] != 0)
return true;
return false;
}
#endif /* HAS_BUTTONBAR */