From 482279846da3abe4272fb7e7fbb380a067a2cc94 Mon Sep 17 00:00:00 2001 From: DustVoice Date: Sat, 8 Aug 2020 16:04:46 +0200 Subject: [PATCH] Add invert patch --- config.def.h | 1 + x.c | 37 ++++++++++++++++++++++++++++++++++--- 2 files changed, 35 insertions(+), 3 deletions(-) diff --git a/config.def.h b/config.def.h index 8651561..e861a57 100644 --- a/config.def.h +++ b/config.def.h @@ -218,6 +218,7 @@ static Shortcut shortcuts[] = { { TERMMOD, XK_Num_Lock, numlock, {.i = 0} }, { ShiftMask, XK_Page_Up, kscrollup, {.i = -1} }, { ShiftMask, XK_Page_Down, kscrolldown, {.i = -1} }, + { TERMMOD, XK_X, invert, { } }, }; /* diff --git a/x.c b/x.c index e36220d..7ad36f1 100644 --- a/x.c +++ b/x.c @@ -59,6 +59,7 @@ static void zoom(const Arg *); static void zoomabs(const Arg *); static void zoomreset(const Arg *); static void ttysend(const Arg *); +static void invert(const Arg *); /* config.h for applying patches and the configuration. */ #include "config.h" @@ -258,9 +259,29 @@ static char *opt_line = NULL; static char *opt_name = NULL; static char *opt_title = NULL; +static int invertcolors = 0; static int oldbutton = 3; /* button event on startup: 3 = release */ static int cursorblinks = 0; +void +invert(const Arg *dummy) +{ + invertcolors = !invertcolors; + redraw(); +} + +Color +invertedcolor(Color *clr) { + XRenderColor rc; + Color inverted; + rc.red = ~clr->color.red; + rc.green = ~clr->color.green; + rc.blue = ~clr->color.blue; + rc.alpha = clr->color.alpha; + XftColorAllocValue(xw.dpy, xw.vis, xw.cmap, &rc, &inverted); + return inverted; +} + void clipcopy(const Arg *dummy) { @@ -838,9 +859,12 @@ xsetcolorname(int x, const char *name) void xclear(int x1, int y1, int x2, int y2) { - XftDrawRect(xw.draw, - &dc.col[IS_SET(MODE_REVERSE)? defaultfg : defaultbg], - x1, y1, x2-x1, y2-y1); + Color c; + c = dc.col[IS_SET(MODE_REVERSE)? defaultfg : defaultbg]; + if (invertcolors) { + c = invertedcolor(&c); + } + XftDrawRect(xw.draw, &c, x1, y1, x2-x1, y2-y1); } void @@ -1453,6 +1477,13 @@ xdrawglyphfontspecs(const XftGlyphFontSpec *specs, Glyph base, int len, int x, i if (base.mode & ATTR_INVISIBLE) fg = bg; + if (invertcolors) { + revfg = invertedcolor(fg); + revbg = invertedcolor(bg); + fg = &revfg; + bg = &revbg; + } + /* Intelligent cleaning up of the borders. */ if (x == 0) { xclear(0, (y == 0)? 0 : winy, win.vborderpx,