commit 3a88b2a189b83d3fd2b5de3f07642620ccd2d2f2
parent 8ea9b282225abf0e89698173c761a24e8104e601
Author: Pavel Renev <an2qzavok@gmail.com>
Date: Thu, 18 Apr 2024 23:35:23 +0000
amp: galaxy brain scrolling
Diffstat:
| M | amp.c | | | 28 | ++++++++++------------------ |
1 file changed, 10 insertions(+), 18 deletions(-)
diff --git a/amp.c b/amp.c
@@ -39,9 +39,8 @@ void resize(void);
void loadpcm(int);
u8int* mkmono8(s8int*, long);
int fillrow(ulong, ulong);
+int row(int);
void drawscroll(int);
-void scrollup(void);
-void scrolldown(void);
void threadflush(void *);
void
@@ -102,8 +101,8 @@ threadmain(int argc, char **argv)
//if (mv.buttons == 0);
//if (mv.buttons == 1);
//if (mv.buttons == 4);
- if (mv.buttons == 8) scrollup();
- if (mv.buttons == 16) scrolldown();
+ if (mv.buttons == 8) drawscroll(-row(mv.xy.y));
+ if (mv.buttons == 16) drawscroll(row(mv.xy.y));
break;
case 2: /* resize */
lockdisplay(display);
@@ -195,7 +194,6 @@ loadpcm(int fd)
{
long n;
s8int *buf;
- fprint(2, "loading pcm...");
buf = malloc(32 * 1024);
pcmlen = 0;
while((n = read(fd, buf, 32 * 1024)) > 0){
@@ -204,7 +202,7 @@ loadpcm(int fd)
pcmlen += n;
}
pp = pcm;
- fprint(2, "done\n");
+ free(buf);
}
int
@@ -247,6 +245,12 @@ fillrow(ulong start, ulong width)
return bp - buf;
}
+int
+row(int y)
+{
+ return 1 + (y - rbars.min.y) / (DHeight + Margin);
+}
+
u8int*
mkmono8(s8int *pcm, long pcmlen)
{
@@ -278,15 +282,3 @@ drawscroll(int ds)
needflush = 1;
redraw(scroll * dwidth);
}
-
-void
-scrollup(void)
-{
- drawscroll(-1);
-}
-
-void
-scrolldown(void)
-{
- drawscroll(1);
-}
