tacme: retina scaling for scroll bars, button - plan9port - [fork] Plan 9 from user space
(HTM) git clone git://src.adamsgaard.dk/plan9port
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---
(DIR) commit c96d832508cc6a8db1420b93242af08ec08be720
(DIR) parent c28224992a8e0093f3629afb747c8a1a876683e3
(HTM) Author: Russ Cox <rsc@swtch.com>
Date: Mon, 26 Nov 2012 00:33:05 -0500
acme: retina scaling for scroll bars, button
R=rsc
http://codereview.appspot.com/6854094
Diffstat:
M src/cmd/acme/acme.c | 50 +++++++++++++++++--------------
M src/cmd/acme/dat.h | 10 ++++++----
2 files changed, 34 insertions(+), 26 deletions(-)
---
(DIR) diff --git a/src/cmd/acme/acme.c b/src/cmd/acme/acme.c
t@@ -142,7 +142,7 @@ threadmain(int argc, char *argv[])
free(p);
}
if(maxtab == 0)
- maxtab = 4;
+ maxtab = 4;
if(loadfile)
rowloadfonts(loadfile);
putenv("font", fontnames[0]);
t@@ -333,7 +333,7 @@ shutdown(void *v, char *msg)
for(i=0; ignotes[i]; i++)
if(strncmp(ignotes[i], msg, strlen(ignotes[i])) == 0)
return 1;
-
+
killprocs();
if(!dumping && strcmp(msg, "kill")!=0 && strcmp(msg, "exit")!=0 && getpid()==mainpid){
dumping = TRUE;
t@@ -534,7 +534,7 @@ mousethread(void *v)
if(cplumb == nil)
alts[MPlumb].op = CHANNOP;
alts[NMALT].op = CHANEND;
-
+
for(;;){
qlock(&row.lk);
flushwarnings();
t@@ -545,6 +545,7 @@ mousethread(void *v)
if(getwindow(display, Refnone) < 0)
error("attach to window");
draw(screen, screen->r, display->white, nil, ZP);
+ iconinit();
scrlresize();
rowresize(&row, screen->clipr);
break;
t@@ -959,19 +960,25 @@ iconinit(void)
Rectangle r;
Image *tmp;
- /* Blue */
- tagcols[BACK] = allocimagemix(display, DPalebluegreen, DWhite);
- tagcols[HIGH] = allocimage(display, Rect(0,0,1,1), screen->chan, 1, DPalegreygreen);
- tagcols[BORD] = allocimage(display, Rect(0,0,1,1), screen->chan, 1, DPurpleblue);
- tagcols[TEXT] = display->black;
- tagcols[HTEXT] = display->black;
-
- /* Yellow */
- textcols[BACK] = allocimagemix(display, DPaleyellow, DWhite);
- textcols[HIGH] = allocimage(display, Rect(0,0,1,1), screen->chan, 1, DDarkyellow);
- textcols[BORD] = allocimage(display, Rect(0,0,1,1), screen->chan, 1, DYellowgreen);
- textcols[TEXT] = display->black;
- textcols[HTEXT] = display->black;
+ if(tagcols[BACK] == nil) {
+ /* Blue */
+ tagcols[BACK] = allocimagemix(display, DPalebluegreen, DWhite);
+ tagcols[HIGH] = allocimage(display, Rect(0,0,1,1), screen->chan, 1, DPalegreygreen);
+ tagcols[BORD] = allocimage(display, Rect(0,0,1,1), screen->chan, 1, DPurpleblue);
+ tagcols[TEXT] = display->black;
+ tagcols[HTEXT] = display->black;
+
+ /* Yellow */
+ textcols[BACK] = allocimagemix(display, DPaleyellow, DWhite);
+ textcols[HIGH] = allocimage(display, Rect(0,0,1,1), screen->chan, 1, DDarkyellow);
+ textcols[BORD] = allocimage(display, Rect(0,0,1,1), screen->chan, 1, DYellowgreen);
+ textcols[TEXT] = display->black;
+ textcols[HTEXT] = display->black;
+ }
+
+ r = Rect(0, 0, Scrollwid+ButtonBorder, font->height+1);
+ if(button && eqrect(r, button->r))
+ return;
if(button){
freeimage(button);
t@@ -979,18 +986,17 @@ iconinit(void)
freeimage(colbutton);
}
- r = Rect(0, 0, Scrollwid+2, font->height+1);
button = allocimage(display, r, screen->chan, 0, DNofill);
draw(button, r, tagcols[BACK], nil, r.min);
- r.max.x -= 2;
- border(button, r, 2, tagcols[BORD], ZP);
+ r.max.x -= ButtonBorder;
+ border(button, r, ButtonBorder, tagcols[BORD], ZP);
r = button->r;
modbutton = allocimage(display, r, screen->chan, 0, DNofill);
draw(modbutton, r, tagcols[BACK], nil, r.min);
- r.max.x -= 2;
- border(modbutton, r, 2, tagcols[BORD], ZP);
- r = insetrect(r, 2);
+ r.max.x -= ButtonBorder;
+ border(modbutton, r, ButtonBorder, tagcols[BORD], ZP);
+ r = insetrect(r, ButtonBorder);
tmp = allocimage(display, Rect(0,0,1,1), screen->chan, 1, DMedblue);
draw(modbutton, r, tmp, nil, ZP);
freeimage(tmp);
(DIR) diff --git a/src/cmd/acme/dat.h b/src/cmd/acme/dat.h
t@@ -463,12 +463,14 @@ enum
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 */
};
+#define Scrollwid scalesize(display, 12)
+#define Scrollgap scalesize(display, 4)
+#define Margin scalesize(display, 4)
+#define Border scalesize(display, 2)
+#define ButtonBorder scalesize(display, 2)
+
#define QID(w,q) ((w<<8)|(q))
#define WIN(q) ((((ulong)(q).path)>>8) & 0xFFFFFF)
#define FILE(q) ((q).path & 0xFF)