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Simplify code for set time and date screen

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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@15756 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Nils Wallménius 2007-11-22 19:46:27 +00:00
parent 3e2c51d82c
commit 7567e99d61
1 changed files with 75 additions and 102 deletions
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177
apps/screens.c
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@ -80,6 +80,15 @@
#define SCROLLBAR_WIDTH 6 #define SCROLLBAR_WIDTH 6
#endif #endif
static int clamp_value_wrap(int value, int max, int min)
{
if (value > max)
return min;
if (value < min)
return max;
return value;
}
void usb_screen(void) void usb_screen(void)
{ {
#ifdef USB_NONE #ifdef USB_NONE
@ -827,29 +836,26 @@ static void say_time(int cursorpos, const struct tm *tm)
#define INDEX_X 0 #define INDEX_X 0
#define INDEX_Y 1 #define INDEX_Y 1
#define INDEX_WIDTH 2
#define SEPARATOR ":" #define SEPARATOR ":"
bool set_time_screen(const char* title, struct tm *tm) bool set_time_screen(const char* title, struct tm *tm)
{ {
bool done = false; bool done = false;
int button; int button;
unsigned int i, s; unsigned int i, j, s;
unsigned int cursorpos = 0; int cursorpos = 0;
unsigned int lastcursorpos = 1;
unsigned int julianday; unsigned int julianday;
unsigned int realyear; unsigned int realyear;
unsigned int width; unsigned int width;
unsigned int min = 0, steps = 0; unsigned int min, max;
unsigned int statusbar_height = 0; unsigned int statusbar_height = 0;
unsigned int separator_width, weekday_width; unsigned int separator_width, weekday_width;
unsigned int line_height, prev_line_height; unsigned int prev_line_height;
unsigned char daysinmonth[] = {31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31}; int daysinmonth[] = {31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31};
unsigned char buffer[20]; unsigned char buffer[20];
/* 6 possible cursor possitions, 3 values stored for each: x, y, width */ /* 6 possible cursor possitions, 2 values stored for each: x, y */
unsigned char cursor[6][3]; unsigned int cursor[6][2];
memset(cursor, 0, sizeof(cursor));
int *valptr = NULL; int *valptr = NULL;
unsigned char *ptr[6]; unsigned char *ptr[6];
@ -857,7 +863,10 @@ bool set_time_screen(const char* title, struct tm *tm)
if(global_settings.statusbar) if(global_settings.statusbar)
statusbar_height = STATUSBAR_HEIGHT; statusbar_height = STATUSBAR_HEIGHT;
while ( !done ) { /* speak selection when screen is entered */
say_time(cursorpos, tm);
while (!done) {
/* for easy acess in the drawing loop */ /* for easy acess in the drawing loop */
ptr[0] = buffer; /* hours */ ptr[0] = buffer; /* hours */
ptr[1] = buffer + 3; /* minutes */ ptr[1] = buffer + 3; /* minutes */
@ -878,11 +887,11 @@ bool set_time_screen(const char* title, struct tm *tm)
tm->tm_mday = daysinmonth[tm->tm_mon]; tm->tm_mday = daysinmonth[tm->tm_mon];
/* calculate day of week */ /* calculate day of week */
julianday = 0; julianday = tm->tm_mday;
for(i = 0; (int)i < tm->tm_mon; i++) { for(i = 0; (int)i < tm->tm_mon; i++) {
julianday += daysinmonth[i]; julianday += daysinmonth[i];
} }
julianday += tm->tm_mday;
tm->tm_wday = (realyear + julianday + (realyear - 1) / 4 - tm->tm_wday = (realyear + julianday + (realyear - 1) / 4 -
(realyear - 1) / 100 + (realyear - 1) / 400 + 7 - 1) % 7; (realyear - 1) / 100 + (realyear - 1) / 400 + 7 - 1) % 7;
@ -916,49 +925,25 @@ bool set_time_screen(const char* title, struct tm *tm)
screens[s].getstringsize(title, NULL, &prev_line_height); screens[s].getstringsize(title, NULL, &prev_line_height);
else else
prev_line_height = 0; prev_line_height = 0;
screens[s].getstringsize(buffer, NULL, &line_height);
screens[s].getstringsize(SEPARATOR, &separator_width, NULL); screens[s].getstringsize(SEPARATOR, &separator_width, NULL);
/* get width for each string except the last one and put them
in the cursor array */
for(i=0; i < 5; i++)
{
screens[s].getstringsize(ptr[i], &width, NULL);
cursor[i][INDEX_WIDTH] = width;
}
/* hour */
/* cursor[0][INDEX_X] is already 0 because of the memset */
cursor[0][INDEX_Y] = prev_line_height + statusbar_height;
/* minute */
cursor[1][INDEX_X] = cursor[0][INDEX_WIDTH] + separator_width;
cursor[1][INDEX_Y] = prev_line_height + statusbar_height;
/* second */
cursor[2][INDEX_X] = cursor[0][INDEX_WIDTH] + separator_width +
cursor[1][INDEX_WIDTH] + separator_width;
cursor[2][INDEX_Y] = prev_line_height + statusbar_height;
/* weekday */ /* weekday */
screens[s].getstringsize(str(LANG_WEEKDAY_SUNDAY + tm->tm_wday), &weekday_width, NULL); screens[s].getstringsize(str(LANG_WEEKDAY_SUNDAY + tm->tm_wday), &weekday_width, NULL);
screens[s].getstringsize(" ", &separator_width, NULL); screens[s].getstringsize(" ", &separator_width, NULL);
/* year */ for(i=0, j=0; i < 6; i++)
cursor[3][INDEX_X] = weekday_width + separator_width; {
cursor[3][INDEX_Y] = cursor[0][INDEX_Y] + prev_line_height; if(i==3) /* second row */
{
/* month */ j = weekday_width + separator_width;;
cursor[4][INDEX_X] = weekday_width + 2 * separator_width + prev_line_height *= 2;
cursor[3][INDEX_WIDTH]; }
cursor[4][INDEX_Y] = cursor[0][INDEX_Y] + prev_line_height; screens[s].getstringsize(ptr[i], &width, NULL);
cursor[i][INDEX_Y] = prev_line_height + statusbar_height;
/* day */ cursor[i][INDEX_X] = j;
cursor[5][INDEX_X] = weekday_width + 3 * separator_width + j += width + separator_width;
cursor[3][INDEX_WIDTH] + }
cursor[4][INDEX_WIDTH];
cursor[5][INDEX_Y] = cursor[0][INDEX_Y] + prev_line_height;
/* draw the screen */ /* draw the screen */
screens[s].set_drawmode(DRMODE_SOLID); screens[s].set_drawmode(DRMODE_SOLID);
@ -968,23 +953,22 @@ bool set_time_screen(const char* title, struct tm *tm)
/* these are not selectable, so we draw them outside the loop */ /* these are not selectable, so we draw them outside the loop */
screens[s].putsxy(0, cursor[3][INDEX_Y], str(LANG_WEEKDAY_SUNDAY + tm->tm_wday)); /* name of the week day */ screens[s].putsxy(0, cursor[3][INDEX_Y], str(LANG_WEEKDAY_SUNDAY + tm->tm_wday)); /* name of the week day */
screens[s].putsxy(cursor[1][INDEX_X] - separator_width,
cursor[0][INDEX_Y], SEPARATOR);
screens[s].putsxy(cursor[2][INDEX_X] - separator_width,
cursor[0][INDEX_Y], SEPARATOR);
/* draw the selected item with drawmode set to /* draw the selected item with drawmode set to
DRMODE_SOLID|DRMODE_INVERSEVID, all other selectable DRMODE_SOLID|DRMODE_INVERSEVID, all other selectable
items with drawmode DRMODE_SOLID */ items with drawmode DRMODE_SOLID */
for(i=0; i<6; i++) for(i=0; i<6; i++)
{ {
if (cursorpos == i) if (cursorpos == (int)i)
screens[s].set_drawmode(DRMODE_SOLID|DRMODE_INVERSEVID); screens[s].set_drawmode(DRMODE_SOLID|DRMODE_INVERSEVID);
else
screens[s].set_drawmode(DRMODE_SOLID);
screens[s].putsxy(cursor[i][INDEX_X], screens[s].putsxy(cursor[i][INDEX_X],
cursor[i][INDEX_Y], ptr[i]); cursor[i][INDEX_Y], ptr[i]);
screens[s].set_drawmode(DRMODE_SOLID);
screens[s].putsxy(cursor[i/4 +1][INDEX_X] - separator_width,
cursor[0][INDEX_Y], SEPARATOR);
} }
/* print help text */ /* print help text */
@ -996,66 +980,55 @@ bool set_time_screen(const char* title, struct tm *tm)
} }
gui_syncstatusbar_draw(&statusbars, true); gui_syncstatusbar_draw(&statusbars, true);
/* set the most common numbers */
min = 0;
max = 59;
/* calculate the minimum and maximum for the number under cursor */ /* calculate the minimum and maximum for the number under cursor */
if(cursorpos!=lastcursorpos) { switch(cursorpos) {
lastcursorpos=cursorpos; case 0: /* hour */
switch(cursorpos) { max = 23;
case 0: /* hour */ valptr = &tm->tm_hour;
min = 0; break;
steps = 24; case 1: /* minute */
valptr = &tm->tm_hour; valptr = &tm->tm_min;
break; break;
case 1: /* minute */ case 2: /* second */
min = 0; valptr = &tm->tm_sec;
steps = 60; break;
valptr = &tm->tm_min; case 3: /* year */
break; min = 1;
case 2: /* second */ max = 200;
min = 0; valptr = &tm->tm_year;
steps = 60; break;
valptr = &tm->tm_sec; case 4: /* month */
break; max = 11;
case 3: /* year */ valptr = &tm->tm_mon;
min = 1; break;
steps = 200; case 5: /* day */
valptr = &tm->tm_year; min = 1;
break; max = daysinmonth[tm->tm_mon];
case 4: /* month */ valptr = &tm->tm_mday;
min = 0; break;
steps = 12;
valptr = &tm->tm_mon;
break;
case 5: /* day */
min = 1;
steps = daysinmonth[tm->tm_mon];
valptr = &tm->tm_mday;
break;
}
say_time(cursorpos, tm);
} }
button = get_action(CONTEXT_SETTINGS_TIME, TIMEOUT_BLOCK); button = get_action(CONTEXT_SETTINGS_TIME, TIMEOUT_BLOCK);
switch ( button ) { switch ( button ) {
case ACTION_STD_PREV: case ACTION_STD_PREV:
cursorpos = (cursorpos + 6 - 1) % 6; cursorpos = clamp_value_wrap(--cursorpos, 5, 0);
say_time(cursorpos, tm);
break; break;
case ACTION_STD_NEXT: case ACTION_STD_NEXT:
cursorpos = (cursorpos + 6 + 1) % 6; cursorpos = clamp_value_wrap(++cursorpos, 5, 0);
say_time(cursorpos, tm);
break; break;
case ACTION_SETTINGS_INC: case ACTION_SETTINGS_INC:
case ACTION_SETTINGS_INCREPEAT: case ACTION_SETTINGS_INCREPEAT:
*valptr = (*valptr + steps - min + 1) % *valptr = clamp_value_wrap(++(*valptr), max, min);
steps + min;
if(*valptr == 0)
*valptr = min;
say_time(cursorpos, tm); say_time(cursorpos, tm);
break; break;
case ACTION_SETTINGS_DEC: case ACTION_SETTINGS_DEC:
case ACTION_SETTINGS_DECREPEAT: case ACTION_SETTINGS_DECREPEAT:
*valptr = (*valptr + steps - min - 1) % *valptr = clamp_value_wrap(--(*valptr), max, min);
steps + min;
if(*valptr == 0)
*valptr = min;
say_time(cursorpos, tm); say_time(cursorpos, tm);
break; break;