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Apply anysize patch

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By default, st's window size always snaps to the nearest multiple of the character
size plus a fixed inner border (set with borderpx in config.h). When the size of st
does not perfectly match the space allocated to it (when using a tiling WM, for
example), unsightly gaps will appear between st and other apps, or between instances
of st.

This patch allows st to resize to any pixel size, makes the inner border size dynamic,
and centers the content of the terminal so that the left/right and top/bottom borders
are balanced. With this patch, st on a tiling WM will always fill the entire space
allocated to it.
This commit is contained in:
Sanchayan Maity 2020-10-14 10:51:26 +05:30
parent 5dfb0436eb
commit 451bfc2491
1 changed files with 30 additions and 26 deletions
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56
x.c
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@ -82,6 +82,7 @@ typedef XftGlyphFontSpec GlyphFontSpec;
typedef struct { typedef struct {
int tw, th; /* tty width and height */ int tw, th; /* tty width and height */
int w, h; /* window width and height */ int w, h; /* window width and height */
int hborderpx, vborderpx;
int ch; /* char height */ int ch; /* char height */
int cw; /* char width */ int cw; /* char width */
int mode; /* window state/mode flags */ int mode; /* window state/mode flags */
@ -332,7 +333,7 @@ ttysend(const Arg *arg)
int int
evcol(XEvent *e) evcol(XEvent *e)
{ {
int x = e->xbutton.x - borderpx; int x = e->xbutton.x - win.hborderpx;
LIMIT(x, 0, win.tw - 1); LIMIT(x, 0, win.tw - 1);
return x / win.cw; return x / win.cw;
} }
@ -340,7 +341,7 @@ evcol(XEvent *e)
int int
evrow(XEvent *e) evrow(XEvent *e)
{ {
int y = e->xbutton.y - borderpx; int y = e->xbutton.y - win.vborderpx;
LIMIT(y, 0, win.th - 1); LIMIT(y, 0, win.th - 1);
return y / win.ch; return y / win.ch;
} }
@ -722,6 +723,9 @@ cresize(int width, int height)
col = MAX(1, col); col = MAX(1, col);
row = MAX(1, row); row = MAX(1, row);
win.hborderpx = (win.w - col * win.cw) / 2;
win.vborderpx = (win.h - row * win.ch) / 2;
tresize(col, row); tresize(col, row);
xresize(col, row); xresize(col, row);
ttyresize(win.tw, win.th); ttyresize(win.tw, win.th);
@ -839,8 +843,8 @@ xhints(void)
sizeh->flags = PSize | PResizeInc | PBaseSize | PMinSize; sizeh->flags = PSize | PResizeInc | PBaseSize | PMinSize;
sizeh->height = win.h; sizeh->height = win.h;
sizeh->width = win.w; sizeh->width = win.w;
sizeh->height_inc = win.ch; sizeh->height_inc = 1;
sizeh->width_inc = win.cw; sizeh->width_inc = 1;
sizeh->base_height = 2 * borderpx; sizeh->base_height = 2 * borderpx;
sizeh->base_width = 2 * borderpx; sizeh->base_width = 2 * borderpx;
sizeh->min_height = win.ch + 2 * borderpx; sizeh->min_height = win.ch + 2 * borderpx;
@ -1125,8 +1129,8 @@ xinit(int cols, int rows)
xloadcols(); xloadcols();
/* adjust fixed window geometry */ /* adjust fixed window geometry */
win.w = 2 * borderpx + cols * win.cw; win.w = 2 * win.hborderpx + cols * win.cw;
win.h = 2 * borderpx + rows * win.ch; win.h = 2 * win.vborderpx + rows * win.ch;
if (xw.gm & XNegative) if (xw.gm & XNegative)
xw.l += DisplayWidth(xw.dpy, xw.scr) - win.w - 2; xw.l += DisplayWidth(xw.dpy, xw.scr) - win.w - 2;
if (xw.gm & YNegative) if (xw.gm & YNegative)
@ -1215,7 +1219,7 @@ xinit(int cols, int rows)
int int
xmakeglyphfontspecs(XftGlyphFontSpec *specs, const Glyph *glyphs, int len, int x, int y) xmakeglyphfontspecs(XftGlyphFontSpec *specs, const Glyph *glyphs, int len, int x, int y)
{ {
float winx = borderpx + x * win.cw, winy = borderpx + y * win.ch, xp, yp; float winx = win.hborderpx + x * win.cw, winy = win.vborderpx + y * win.ch, xp, yp;
ushort mode, prevmode = USHRT_MAX; ushort mode, prevmode = USHRT_MAX;
Font *font = &dc.font; Font *font = &dc.font;
int frcflags = FRC_NORMAL; int frcflags = FRC_NORMAL;
@ -1351,7 +1355,7 @@ void
xdrawglyphfontspecs(const XftGlyphFontSpec *specs, Glyph base, int len, int x, int y) xdrawglyphfontspecs(const XftGlyphFontSpec *specs, Glyph base, int len, int x, int y)
{ {
int charlen = len * ((base.mode & ATTR_WIDE) ? 2 : 1); int charlen = len * ((base.mode & ATTR_WIDE) ? 2 : 1);
int winx = borderpx + x * win.cw, winy = borderpx + y * win.ch, int winx = win.hborderpx + x * win.cw, winy = win.vborderpx + y * win.ch,
width = charlen * win.cw; width = charlen * win.cw;
Color *fg, *bg, *temp, revfg, revbg, truefg, truebg; Color *fg, *bg, *temp, revfg, revbg, truefg, truebg;
XRenderColor colfg, colbg; XRenderColor colfg, colbg;
@ -1441,17 +1445,17 @@ xdrawglyphfontspecs(const XftGlyphFontSpec *specs, Glyph base, int len, int x, i
/* Intelligent cleaning up of the borders. */ /* Intelligent cleaning up of the borders. */
if (x == 0) { if (x == 0) {
xclear(0, (y == 0)? 0 : winy, borderpx, xclear(0, (y == 0)? 0 : winy, win.vborderpx,
winy + win.ch + winy + win.ch +
((winy + win.ch >= borderpx + win.th)? win.h : 0)); ((winy + win.ch >= win.vborderpx + win.th)? win.h : 0));
} }
if (winx + width >= borderpx + win.tw) { if (winx + width >= win.hborderpx + win.tw) {
xclear(winx + width, (y == 0)? 0 : winy, win.w, xclear(winx + width, (y == 0)? 0 : winy, win.w,
((winy + win.ch >= borderpx + win.th)? win.h : (winy + win.ch))); ((winy + win.ch >= win.vborderpx + win.th)? win.h : (winy + win.ch)));
} }
if (y == 0) if (y == 0)
xclear(winx, 0, winx + width, borderpx); xclear(winx, 0, winx + width, win.hborderpx);
if (winy + win.ch >= borderpx + win.th) if (winy + win.ch >= win.vborderpx + win.th)
xclear(winx, winy + win.ch, winx + width, win.h); xclear(winx, winy + win.ch, winx + width, win.h);
/* Clean up the region we want to draw to. */ /* Clean up the region we want to draw to. */
@ -1548,35 +1552,35 @@ xdrawcursor(int cx, int cy, Glyph g, int ox, int oy, Glyph og, Line line, int le
case 3: /* Blinking Underline */ case 3: /* Blinking Underline */
case 4: /* Steady Underline */ case 4: /* Steady Underline */
XftDrawRect(xw.draw, &drawcol, XftDrawRect(xw.draw, &drawcol,
borderpx + cx * win.cw, win.hborderpx + cx * win.cw,
borderpx + (cy + 1) * win.ch - \ win.vborderpx + (cy + 1) * win.ch - \
cursorthickness, cursorthickness,
win.cw, cursorthickness); win.cw, cursorthickness);
break; break;
case 5: /* Blinking bar */ case 5: /* Blinking bar */
case 6: /* Steady bar */ case 6: /* Steady bar */
XftDrawRect(xw.draw, &drawcol, XftDrawRect(xw.draw, &drawcol,
borderpx + cx * win.cw, win.hborderpx + cx * win.cw,
borderpx + cy * win.ch, win.vborderpx + cy * win.ch,
cursorthickness, win.ch); cursorthickness, win.ch);
break; break;
} }
} else { } else {
XftDrawRect(xw.draw, &drawcol, XftDrawRect(xw.draw, &drawcol,
borderpx + cx * win.cw, win.hborderpx + cx * win.cw,
borderpx + cy * win.ch, win.vborderpx + cy * win.ch,
win.cw - 1, 1); win.cw - 1, 1);
XftDrawRect(xw.draw, &drawcol, XftDrawRect(xw.draw, &drawcol,
borderpx + cx * win.cw, win.hborderpx + cx * win.cw,
borderpx + cy * win.ch, win.vborderpx + cy * win.ch,
1, win.ch - 1); 1, win.ch - 1);
XftDrawRect(xw.draw, &drawcol, XftDrawRect(xw.draw, &drawcol,
borderpx + (cx + 1) * win.cw - 1, win.hborderpx + (cx + 1) * win.cw - 1,
borderpx + cy * win.ch, win.vborderpx + cy * win.ch,
1, win.ch - 1); 1, win.ch - 1);
XftDrawRect(xw.draw, &drawcol, XftDrawRect(xw.draw, &drawcol,
borderpx + cx * win.cw, win.hborderpx + cx * win.cw,
borderpx + (cy + 1) * win.ch - 1, win.vborderpx + (cy + 1) * win.ch - 1,
win.cw, 1); win.cw, 1);
} }
} }