ref: f40a45b580b3efef25133f9b47f9e4427ff5ad0c
parent: 56c2d3690cb79804ee26e9dc72c6abafcbb1b83f
author: Philip Silva <philip.silva@protonmail.com>
date: Sun Oct 3 10:43:48 EDT 2021
scalesize(..), hidpi patch for acme scrollbars
--- /dev/null
+++ b/hidpi-3.patch
@@ -1,0 +1,74 @@
+diff 75d8e460a00505c2b21a0d06ceb4300c93d9c4d6 uncommitted
+--- a/sys/include/ape/draw.h
++++ b/sys/include/ape/draw.h
+@@ -69,6 +69,7 @@
+ Displaybufsize = 8000,
+ ICOSSCALE = 1024,
+ Borderwidth = 4,
++ DefaultDPI = 100,
+ };
+
+ enum
+@@ -358,6 +359,7 @@
+ extern Image* namedimage(Display*, char*);
+ extern int nameimage(Image*, char*, int);
+ extern Image* allocimagemix(Display*, ulong, ulong);
++extern int scalesize(Display*, int);
+
+ /*
+ * Colors
+--- a/sys/include/draw.h
++++ b/sys/include/draw.h
+@@ -61,6 +61,7 @@
+ Displaybufsize = 8000,
+ ICOSSCALE = 1024,
+ Borderwidth = 4,
++ DefaultDPI = 100,
+ };
+
+ enum
+@@ -354,6 +355,7 @@
+ extern Image* namedimage(Display*, char*);
+ extern int nameimage(Image*, char*, int);
+ extern Image* allocimagemix(Display*, ulong, ulong);
++extern int scalesize(Display*, int);
+
+ /*
+ * Colors
+--- a/sys/src/cmd/acme/dat.h
++++ b/sys/src/cmd/acme/dat.h
+@@ -473,11 +473,14 @@
+ BUFSIZE = Maxblock+IOHDRSZ, /* size from fbufalloc() */
+ RBUFSIZE = BUFSIZE/sizeof(Rune),
+ EVENTSIZE = 256,
+- Scrollwid = 12, /* width of scroll bar */
+- Scrollgap = 4, /* gap right of scroll bar */
+- Margin = 4, /* margin around text */
+- Border = 2, /* line between rows, cols, windows */
+ };
++
++// like in p9p c96d832
++#define Scrollwid scalesize(display, 12) /* width of scroll bar */
++#define Scrollgap scalesize(display, 4) /* gap right of scroll bar */
++#define Margin scalesize(display, 4) /* margin around text */
++#define Border scalesize(display, 2) /* line between rows, cols, windows */
++#define ButtonBorder scalesize(display, 2)
+
+ #define QID(w,q) ((w<<8)|(q))
+ #define WIN(q) ((((ulong)(q).path)>>8) & 0xFFFFFF)
+--- a/sys/src/libdraw/init.c
++++ b/sys/src/libdraw/init.c
+@@ -452,5 +465,13 @@
+ p = d->bufp;
+ d->bufp += n;
+ return p;
++}
++
++int
++scalesize(Display *d, int n)
++{++ if(d == nil || d->dpi <= DefaultDPI)
++ return n;
++ return (n*d->dpi+DefaultDPI/2)/DefaultDPI;
+ }
+