ref: e62f9b68f8c6669be92c868688f72538f96350e9
parent: 8167a433d7023a864c8539df91a146f72c45004a
author: Sigrid Haflínudóttir <[email protected]>
date: Wed Jun 3 14:50:00 EDT 2020
make left/right mouse buttons work on scrollbar
--- a/zuke.c
+++ b/zuke.c
@@ -4,6 +4,9 @@
#include <ctype.h>
#include "plist.h"
+#define MAX(a,b) ((a)>=(b)?(a):(b))
+#define MIN(a,b) ((a)<=(b)?(a):(b))
+
typedef struct Player Player;
enum
@@ -905,6 +908,27 @@
switch(alt(a)){
case 0:
+ if(m.buttons != 2)
+ scrolling = 0;
+ if(m.buttons == 0)
+ break;
+
+ n = (m.xy.y - screen->r.min.y)/f->height;
+
+ if(oldbuttons == 0 && m.xy.x <= screen->r.min.x+Scrollwidth){
+ if(m.buttons == 1){
+ scroll = MAX(0, scroll-n-1);
+ redraw(1);
+ break;
+ }else if(m.buttons == 4){
+ scroll = MIN(scroll+n+1, plnum-scrollsz-1);
+ redraw(1);
+ break;
+ }else if(m.buttons == 2){
+ scrolling = 1;
+ }
+ }
+
if(m.buttons == 4){
n = menuhit(3, mctl, &menu3, nil);
if(n == 0)
@@ -913,25 +937,15 @@
goto end;
goto ev;
}
- if(m.buttons != 2)
- scrolling = 0;
- else if(oldbuttons == 0 && m.xy.x <= screen->r.min.x+Scrollwidth)
- scrolling = 1;
- oldbuttons = m.buttons;
- if(m.buttons == 0)
- break;
if(scrolling){
if(scrollsz >= plnum)
break;
scroll = (m.xy.y - screen->r.min.y - Scrollheight/4)*(plnum-scrollsz) / (Dy(screen->r)-Scrollheight/2);
- if(scroll > plnum-scrollsz-1)
- scroll = plnum-scrollsz-1;
- if(scroll < 0)
- scroll = 0;
+ scroll = MAX(0, MIN(scroll, plnum-scrollsz-1));
redraw(1);
}else if(m.buttons == 1 || m.buttons == 2){
- pcur = scroll + (m.xy.y - screen->r.min.y)/f->height;
+ pcur = scroll + n;
if(m.buttons == 2){
stop(playercurr);
playercurr = newplayer(pcur, 1);