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Logf display: add ability to scroll through messages

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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@20743 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Maurus Cuelenaere 2009-04-19 15:48:26 +00:00
parent c147d39bb5
commit 19fde6c0c0
1 changed files with 34 additions and 6 deletions
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40
apps/logfdisp.c
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@ -33,18 +33,19 @@
#include "logf.h"
#include "settings.h"
#include "logfdisp.h"
#include "action.h"
#ifdef HAVE_LCD_BITMAP
bool logfdisplay(void)
{
int w, h;
int lines;
int columns;
int i;
int action;
bool lcd = false; /* fixed atm */
int index;
int index, user_index=0;
lcd_getstringsize("A", &w, &h);
lines = (lcd?
@ -68,10 +69,10 @@ bool logfdisplay(void)
if(!lines)
return false;
lcd_clear_display();
do {
index = logfindex;
lcd_clear_display();
index = logfindex + user_index;
for(i = lines-1; i>=0; i--) {
unsigned char buffer[columns + 1];
@ -92,7 +93,34 @@ bool logfdisplay(void)
lcd_puts(0, i, buffer);
}
lcd_update();
} while(!action_userabort(HZ));
action = get_action(CONTEXT_STD, HZ);
if(action == ACTION_STD_NEXT)
user_index++;
else if(action == ACTION_STD_PREV)
user_index--;
else if(action == ACTION_STD_OK)
user_index = 0;
#ifdef HAVE_TOUCHSCREEN
else if(action == ACTION_TOUCHSCREEN)
{
short x, y;
static int prev_y;
action = action_get_touchscreen_press(&x, &y);
if(action & BUTTON_REL)
prev_y = 0;
else
{
if(prev_y != 0)
user_index += (prev_y - y) / h;
prev_y = y;
}
}
#endif
} while(action != ACTION_STD_CANCEL);
return false;
}