mangavalk/lcdproc
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clean up render.c a little

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This commit is contained in:
marschap
2007-04-28 21:16:39 +00:00
parent ced4dddf07
commit 0d6697503f
4 changed files with 182 additions and 179 deletions
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server/render.c
+179 -176
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@@ -7,7 +7,7 @@
*
* Copyright (c) 1999, William Ferrell, Scott Scriven
* 2001, Joris Robijn
*
* 2007, Peter Marschall
*
* Draws screens on the LCD.
*
@@ -47,29 +47,22 @@ int output_state = 0;
char *server_msg_text;
int server_msg_expire = 0;
static int reset;
#define BUFSIZE 1024
#define BUFSIZE 1024 /* larger than display width => large enough */
static int render_frame(LinkedList *list, char fscroll, int left, int top, int right, int bottom, int fwid, int fhgt, int fspeed, long int timer);
static int render_frame(LinkedList *list, char fscroll, int left, int top, int right, int bottom, int fwid, int fhgt, int fspeed, long timer);
int
render_screen(Screen *s, long int timer)
render_screen(Screen *s, long timer)
{
static Screen *old_s = NULL;
int tmp_state = 0;
debug(RPT_DEBUG, "%s(screen=[%.40s], timer=%d) ==== START RENDERING ====", __FUNCTION__, s->id, timer);
debug(RPT_DEBUG, "%s(screen=[%.40s], timer=%ld) ==== START RENDERING ====", __FUNCTION__, s->id, timer);
reset = 1;
if (!s)
if (s == NULL)
return -1;
if (s == old_s)
reset = 0;
old_s = s;
/* Clear the LCD screen... */
drivers_clear();
@@ -82,11 +75,14 @@ render_screen(Screen *s, long int timer)
*/
if (backlight != BACKLIGHT_OPEN) {
tmp_state = backlight;
} else if (s->client && s->client->backlight != BACKLIGHT_OPEN) {
}
else if ((s->client != NULL) && (s->client->backlight != BACKLIGHT_OPEN)) {
tmp_state = s->client->backlight;
} else if (s->backlight != BACKLIGHT_OPEN) {
}
else if (s->backlight != BACKLIGHT_OPEN) {
tmp_state = s->backlight;
} else {
}
else {
tmp_state = backlight_fallback;
}
@@ -99,16 +95,17 @@ render_screen(Screen *s, long int timer)
(tmp_state & BACKLIGHT_ON)
^ ((timer & 7) == 7)
) ? BACKLIGHT_ON : BACKLIGHT_OFF);
/* Backlight blink: check timer and flip backlight as appropriate */
}
/* Backlight blink: check timer and flip backlight as appropriate */
else if (tmp_state & BACKLIGHT_BLINK) {
drivers_backlight(
(
(tmp_state & BACKLIGHT_ON)
^ ((timer & 14) == 14)
) ? BACKLIGHT_ON : BACKLIGHT_OFF);
} else {
/* Simple: Only send lowest bit then...*/
}
else {
/* Simple: Only send lowest bit then... */
drivers_backlight(tmp_state & BACKLIGHT_ON);
}
@@ -116,18 +113,23 @@ render_screen(Screen *s, long int timer)
drivers_output(output_state);
/* Draw a frame... */
render_frame(s->widgetlist, 'v', 0, 0, display_props->width, display_props->height, s->width, s->height, (((s->duration / s->height) < 1) ? 1 : (s->duration / s->height)), timer);
render_frame(s->widgetlist, 'v', 0, 0,
display_props->width, display_props->height,
s->width, s->height, max(s->duration / s->height, 1), timer);
/* Set the cursor */
drivers_cursor(s->cursor_x, s->cursor_y, s->cursor);
if (heartbeat != HEARTBEAT_OPEN) {
tmp_state = heartbeat;
} else if (s->client && s->client->heartbeat != HEARTBEAT_OPEN) {
}
else if ((s->client != NULL) && (s->client->heartbeat != HEARTBEAT_OPEN)) {
tmp_state = s->client->heartbeat;
} else if (s->heartbeat != HEARTBEAT_OPEN) {
}
else if (s->heartbeat != HEARTBEAT_OPEN) {
tmp_state = s->heartbeat;
} else {
}
else {
tmp_state = heartbeat_fallback;
}
drivers_heartbeat(tmp_state);
@@ -136,7 +138,7 @@ render_screen(Screen *s, long int timer)
if (server_msg_expire > 0) {
drivers_string(display_props->width - strlen(server_msg_text) + 1,
display_props->height, server_msg_text);
server_msg_expire --;
server_msg_expire--;
if (server_msg_expire == 0) {
free(server_msg_text);
}
@@ -163,31 +165,22 @@ render_frame(LinkedList *list,
int fwid, /* frame width? */
int fhgt, /* frame height? */
int fspeed, /* speed of scrolling... */
long int timer) /* ? */
long timer) /* current timer tick */
{
#define VerticalScrolling (fscroll == 'v')
#define HorizontalScrolling (fscroll == 'h')
int vis_width = right - left; /* width of visible frame area */
int vis_height = bottom - top; /* height of visible frame area */
int x, y;
int /*fx = 0,*/ fy = 0; /* Scrolling offset for the frame... */
int length, speed;
int str_length = BUFSIZE-1;
int reset = 1;
debug(RPT_DEBUG, "%s(list=%p, fscroll='%c', left=%d, top=%d, "
"right=%d, bottom=%d, fwid=%d, fhgt=%d, fspeed=%d, timer=%d)",
"right=%d, bottom=%d, fwid=%d, fhgt=%d, fspeed=%d, timer=%ld)",
__FUNCTION__, list, fscroll, left,top, right, bottom,
fwid, fhgt, fspeed, timer);
/* return on no data or illegal height */
if (!list || (fhgt <= 0))
if ((list == NULL) || (fhgt <= 0))
return -1;
if (VerticalScrolling) {
// FIXME: timer may be negative (this should be changed generally)
if (fscroll == 'v') { /* vertical scrolling */
// only set offset !=0 when fspeed is != 0 and there is something to scroll
if (fspeed && (fhgt > vis_height)) {
int fy_max = fhgt - vis_height + 1;
@@ -198,7 +191,8 @@ render_frame(LinkedList *list,
fy = max(fy, 0); // safeguard against negative values
}
} else if (HorizontalScrolling) {
}
else if (fscroll == 'h') { /* horizontal scrolling */
/* TODO: Frames don't scroll horizontally yet! */
}
@@ -210,25 +204,24 @@ render_frame(LinkedList *list,
char str[BUFSIZE]; /* scratch buffer */
Widget *w = (Widget *) LL_Get(list);
if (!w)
if (w == NULL)
return -1;
/* TODO: Make this cleaner and more flexible!*/
/* TODO: Make this cleaner and more flexible! */
switch (w->type) {
case WID_STRING:
if ((w->x > 0) && (w->y > 0) && (w->text) &&
(w->y <= vis_height + fy) && (w->y > fy)) {
int length;
w->x = min(w->x, vis_width);
str_length = min(vis_width - w->x + 1, BUFSIZE - 1);
strncpy(str, w->text, str_length);
str[str_length] = 0;
length = min(vis_width - w->x + 1, sizeof(str));
strncpy(str, w->text, length);
str[length] = '\0';
drivers_string(w->x + left, w->y + top - fy, str);
}
break;
case WID_HBAR:
if (reset) {
reset = 0;
}
if ((w->x > 0) && (w->y > 0) &&
(w->y <= vis_height + fy) && (w->y > fy)) {
if (w->length > 0) {
@@ -245,7 +238,8 @@ render_frame(LinkedList *list,
int full_len = (display_props->width - w->x - left + 1);
drivers_hbar(w->x + left, w->y + top - fy, full_len, 1000, BAR_PATTERN_FILLED);
}
} else if (w->length < 0) {
}
else if (w->length < 0) {
/* TODO: Rearrange stuff to get left-extending
* hbars to draw correctly...
* .. er, this'll require driver modifications,
@@ -254,17 +248,15 @@ render_frame(LinkedList *list,
}
}
break;
case WID_VBAR: /* FIXME: Vbars don't work in frames!*/
if (reset) {
reset = 0;
}
case WID_VBAR: /* FIXME: Vbars don't work in frames! */
if ((w->x > 0) && (w->y > 0)) {
if (w->length > 0) {
/* Improvised len and promille while we have the old widget language */
int full_len = display_props->height;
int promille = (long) 1000 * w->length / display_props->cellheight / full_len;
drivers_vbar(w->x, display_props->height, full_len, promille, BAR_PATTERN_FILLED);
} else if (w->length < 0) {
}
else if (w->length < 0) {
/* TODO: Rearrange stuff to get down-extending
* vbars to draw correctly...
* .. er, this'll require driver modifications,
@@ -277,61 +269,58 @@ render_frame(LinkedList *list,
drivers_icon(w->x, w->y, w->length);
break;
case WID_TITLE: /* FIXME: Doesn't work quite right in frames...*/
if (!w->text)
break;
if (vis_width < 8)
break;
case WID_TITLE: /* FIXME: Doesn't work quite right in frames... */
if ((w->text != NULL) && (vis_width >= 8)) {
int length = strlen(w->text);
int x;
drivers_icon(w->x + left, w->y + top, ICON_BLOCK_FILLED);
drivers_icon(w->x + left + 1, w->y + top, ICON_BLOCK_FILLED);
drivers_icon(w->x + left, w->y + top, ICON_BLOCK_FILLED);
drivers_icon(w->x + left + 1, w->y + top, ICON_BLOCK_FILLED);
length = strlen(w->text);
length = min(length, BUFSIZE - 1);
if (length <= vis_width - 6) {
strncpy(str, w->text, length);
str[length] = 0;
x = length + 5;
} else /* Scroll the title, if it doesn't fit...*/
{
speed = 1;
x = timer / speed;
y = x / length;
length = min(length, sizeof(str));
if (length <= vis_width - 6) {
strncpy(str, w->text, length);
str[length] = '\0';
x %= length;
x = max(x, 0);
if (x > length - (vis_width - 6))
x = length - (vis_width - 6);
x = length + 4;
}
else { /* Scroll the title, if it doesn't fit... */
int speed = 1;
int offset = timer / speed;
int reverse = offset / length;
if (y & 1) /* Scrolling backwards...*/
x = (length - (vis_width - 6)) - x;
str_length = abs(vis_width - 6);
str_length = min(str_length, BUFSIZE -1);
strncpy(str, w->text + x, str_length);
str[str_length] = 0;
x = vis_width - 1;
offset %= length;
offset = max(offset, 0);
if (offset > length - (vis_width - 6))
offset = length - (vis_width - 6);
if (reverse & 1) /* Scrolling backwards... */
offset = (length - (vis_width - 6)) - offset;
length = abs(vis_width - 6);
length = min(length, sizeof(str));
strncpy(str, w->text + offset, length);
str[length] = '\0';
x = vis_width - 2;
}
drivers_string(w->x + 3 + left, w->y + top, str);
for ( ; x < vis_width; x++) {
drivers_icon(w->x + x + left, w->y + top, ICON_BLOCK_FILLED);
}
}
drivers_string(w->x + 3 + left, w->y + top, str);
for (; x<=vis_width; x++) {
drivers_icon(w->x + x - 1 + left, w->y + top, ICON_BLOCK_FILLED);
}
break;
case WID_SCROLLER: /* FIXME: doesn't work in frames...*/
{
case WID_SCROLLER: /* FIXME: doesn't work in frames... */
if ((w->text != NULL) && (w->right >= w->left)) {
int length;
int offset;
int screen_width;
if (!w->text)
break;
if (w->right < w->left)
break;
/*debug(RPT_DEBUG, "%s: %s %d",__FUNCTION__,w->text,timer);*/
screen_width = abs(w->right - w->left + 1);
screen_width = min(screen_width, BUFSIZE -1);
switch (w->length) { /* actually, direction...*/
screen_width = min(screen_width, sizeof(str));
switch (w->length) { /* actually, direction... */
/* FIXED: Horz scrollers don't show the
* last letter in the string... (1-off error?)
*/
@@ -340,16 +329,19 @@ render_frame(LinkedList *list,
if (length <= screen_width) {
/* it fits within the box, just render it */
drivers_string(w->left, w->top, w->text);
} else {
}
else {
int necessaryTimeUnits = 0;
if (w->speed > 0) {
necessaryTimeUnits = length * w->speed;
offset = (timer % (length * w->speed)) / w->speed;
} else if (w->speed < 0) {
}
else if (w->speed < 0) {
necessaryTimeUnits = length / (w->speed * -1);
offset = (timer % (length / (w->speed * -1))) * w->speed * -1;
} else {
}
else {
offset = 0;
}
if (offset <= length) {
@@ -365,7 +357,8 @@ render_frame(LinkedList *list,
str[screen_width] = '\0';
/*debug(RPT_DEBUG, "scroller %s : %d", str, length-offset);*/
} else {
}
else {
str[0] = '\0';
}
drivers_string(w->left, w->top, str);
@@ -376,39 +369,46 @@ render_frame(LinkedList *list,
if (length <= screen_width) {
/* it fits within the box, just render it */
drivers_string(w->left, w->top, w->text);
} else {
}
else {
int effLength = length - screen_width;
int necessaryTimeUnits = 0;
if (w->speed > 0) {
necessaryTimeUnits = effLength * w->speed;
if (((timer / (effLength * w->speed)) % 2) == 0) {
/*wiggle one way*/
/* wiggle one way */
offset = (timer % (effLength * w->speed))
/ w->speed;
} else {
/*wiggle the other*/
offset = (((timer % (effLength * w->speed))
- (effLength * w->speed) + 1)
/ w->speed) * -1;
}
} else if (w->speed < 0) {
else {
/* wiggle the other */
offset = (((timer % (effLength * w->speed))
- (effLength * w->speed) + 1)
/ w->speed) * -1;
}
}
else if (w->speed < 0) {
necessaryTimeUnits = effLength / (w->speed * -1);
if (((timer / (effLength / (w->speed * -1))) % 2) == 0) {
offset = (timer % (effLength / (w->speed * -1)))
* w->speed * -1;
} else {
offset = (((timer % (effLength / (w->speed * -1)))
* w->speed * -1) - effLength + 1) * -1;
}
} else {
else {
offset = (((timer % (effLength / (w->speed * -1)))
* w->speed * -1)
- effLength + 1) * -1;
}
}
else {
offset = 0;
}
if (offset <= length) {
strncpy(str, &((w->text)[offset]), screen_width);
str[screen_width] = '\0';
/*debug(RPT_DEBUG, "scroller %s : %d", str, length-offset); */
} else {
}
else {
str[0] = '\0';
}
drivers_string(w->left, w->top, str);
@@ -418,71 +418,76 @@ render_frame(LinkedList *list,
/* back up after hitting the bottom. They jump back to */
/* the top instead... (nevermind?) */
case 'v':
{
int i = 0;
length = strlen(w->text);
if (length <= screen_width) {
/* no scrolling required... */
drivers_string(w->left, w->top, w->text);
}
else {
int lines_required = (length / screen_width)
+ (length % screen_width ? 1 : 0);
int available_lines = (w->bottom - w->top + 1);
length = strlen(w->text);
if (length <= screen_width) {
/* no scrolling required... */
drivers_string(w->left, w->top, w->text);
} else {
int lines_required = (length / screen_width)
+ (length % screen_width ? 1 : 0);
int available_lines = (w->bottom - w->top + 1);
if (lines_required <= available_lines) {
/* easy... */
int i;
if (lines_required <= available_lines) {
/* easy...*/
for (i = 0; i < lines_required; i++) {
strncpy(str, &((w->text)[i * screen_width]), screen_width);
str[screen_width] = '\0';
drivers_string (w->left, w->top + i, str);
for (i = 0; i < lines_required; i++) {
strncpy(str, &((w->text)[i * screen_width]), screen_width);
str[screen_width] = '\0';
drivers_string (w->left, w->top + i, str);
}
}
else {
int necessaryTimeUnits = 0;
int effLines = lines_required - available_lines + 1;
int begin = 0;
int i = 0;
/*debug(RPT_DEBUG, "length: %d sw: %d lines req: %d avail lines: %d effLines: %d ",length,screen_width,lines_required,available_lines,effLines);*/
if (w->speed > 0) {
necessaryTimeUnits = effLines * w->speed;
if (((timer / (effLines * w->speed)) % 2) == 0) {
/*debug(RPT_DEBUG, "up ");*/
begin = (timer % (effLines * w->speed))
/ w->speed;
}
else {
/*debug(RPT_DEBUG, "down ");*/
begin = (((timer % (effLines * w->speed))
- (effLines * w->speed) + 1) / w->speed)
* -1;
}
} else {
int necessaryTimeUnits = 0;
int effLines = lines_required - available_lines + 1;
int begin = 0;
/*debug(RPT_DEBUG, "length: %d sw: %d lines req: %d avail lines: %d effLines: %d ",length,screen_width,lines_required,available_lines,effLines);*/
if (w->speed > 0) {
necessaryTimeUnits = effLines * w->speed;
if (((timer / (effLines * w->speed)) % 2) == 0) {
/*debug(RPT_DEBUG, "up ");*/
begin = (timer % (effLines * w->speed))
/ w->speed;
} else {
/*debug(RPT_DEBUG, "down ");*/
begin = (((timer % (effLines * w->speed))
- (effLines * w->speed) + 1) / w->speed)
* -1;
}
} else if (w->speed < 0) {
necessaryTimeUnits = effLines / (w->speed * -1);
if (((timer / (effLines / (w->speed * -1))) % 2) == 0) {
begin = (timer % (effLines / (w->speed * -1)))
* w->speed * -1;
} else {
begin = (((timer % (effLines / (w->speed * -1)))
* w->speed * -1) - effLines + 1)
* -1;
}
} else {
begin = 0;
}
else if (w->speed < 0) {
necessaryTimeUnits = effLines / (w->speed * -1);
if (((timer / (effLines / (w->speed * -1))) % 2) == 0) {
begin = (timer % (effLines / (w->speed * -1)))
* w->speed * -1;
}
/*debug(RPT_DEBUG, "rendering begin: %d timer: %d effLines: %d",begin,timer,effLines); */
for (i = begin; i < begin + available_lines; i++) {
strncpy(str, &((w->text)[i * (screen_width)]), screen_width);
str[screen_width] = '\0';
/*debug(RPT_DEBUG, "rendering: '%s' of %s", */
/*str,w->text); */
drivers_string(w->left, w->top + (i - begin), str);
else {
begin = (((timer % (effLines / (w->speed * -1)))
* w->speed * -1) - effLines + 1)
* -1;
}
}
else {
begin = 0;
}
/*debug(RPT_DEBUG, "rendering begin: %d timer: %d effLines: %d",begin,timer,effLines); */
for (i = begin; i < begin + available_lines; i++) {
strncpy(str, &((w->text)[i * (screen_width)]), screen_width);
str[screen_width] = '\0';
/*debug(RPT_DEBUG, "rendering: '%s' of %s", */
/*str,w->text); */
drivers_string(w->left, w->top + (i - begin), str);
}
}
break;
}
break;
}
break;
}
break;
case WID_FRAME:
{
/* FIXME: doesn't handle nested frames quite right!
@@ -493,16 +498,14 @@ render_frame(LinkedList *list,
int new_right = min(left + w->right, right);
int new_bottom = min(top + w->bottom, bottom);
if ((new_left < right) && (new_top < bottom)) /* Render only if it's visible...*/
render_frame(w->frame_screen->widgetlist, w->length, new_left, new_top, new_right, new_bottom, w->width, w->height, w->speed, timer);
if ((new_left < right) && (new_top < bottom)) /* Render only if it's visible... */
render_frame(w->frame_screen->widgetlist, w->length, new_left, new_top,
new_right, new_bottom, w->width, w->height, w->speed, timer);
}
break;
case WID_NUM: /* FIXME: doesn't work in frames...*/
/* NOTE: y=10 means COLON (:)*/
case WID_NUM: /* FIXME: doesn't work in frames... */
/* NOTE: y=10 means COLON (:) */
if ((w->x > 0) && (w->y >= 0) && (w->y <= 10)) {
if (reset) {
reset = 0;
}
drivers_num(w->x + left, w->y);
}
break;