diff options
Diffstat (limited to 'st-custom/transparency.diff')
| -rw-r--r-- | st-custom/transparency.diff | 153 |
1 files changed, 153 insertions, 0 deletions
diff --git a/st-custom/transparency.diff b/st-custom/transparency.diff new file mode 100644 index 0000000..b0cbf49 --- /dev/null +++ b/st-custom/transparency.diff @@ -0,0 +1,153 @@ +diff --git a/config.def.h b/config.def.h +index 56bae2d..0b73d9b 100644 +--- a/config.def.h ++++ b/config.def.h +@@ -90,6 +90,9 @@ static unsigned int defaultfg = 7; + static unsigned int defaultbg = 0; + static unsigned int defaultcs = 256; + ++/* background opacity */ ++static const int alpha = 0xed; ++ + /* + * Colors used, when the specific fg == defaultfg. So in reverse mode this + * will reverse too. Another logic would only make the simple feature too +diff --git a/config.mk b/config.mk +index 7ae510e..83cdaf2 100644 +--- a/config.mk ++++ b/config.mk +@@ -14,7 +14,7 @@ X11LIB = /usr/X11R6/lib + INCS = -I. -I/usr/include -I${X11INC} \ + `pkg-config --cflags fontconfig` \ + `pkg-config --cflags freetype2` +-LIBS = -L/usr/lib -lc -L${X11LIB} -lm -lrt -lX11 -lutil -lXext -lXft \ ++LIBS = -L/usr/lib -lc -L${X11LIB} -lm -lrt -lX11 -lutil -lXext -lXft -lXrender \ + `pkg-config --libs fontconfig` \ + `pkg-config --libs freetype2` + +diff --git a/st.c b/st.c +index aa4185c..b21c0c7 100644 +--- a/st.c ++++ b/st.c +@@ -62,6 +62,7 @@ char *argv0; + #define XK_ANY_MOD UINT_MAX + #define XK_NO_MOD 0 + #define XK_SWITCH_MOD (1<<13) ++#define OPAQUE 0xff + + /* macros */ + #define MIN(a, b) ((a) < (b) ? (a) : (b)) +@@ -83,6 +84,7 @@ char *argv0; + #define TRUERED(x) (((x) & 0xff0000) >> 8) + #define TRUEGREEN(x) (((x) & 0xff00)) + #define TRUEBLUE(x) (((x) & 0xff) << 8) ++#define USE_ARGB (alpha != OPAQUE && opt_embed == NULL) + + + enum glyph_attribute { +@@ -256,6 +258,7 @@ typedef struct { + int w, h; /* window width and height */ + int ch; /* char height */ + int cw; /* char width */ ++ int depth; /* bit depth */ + char state; /* focus, redraw, visible */ + } XWindow; + +@@ -2824,8 +2827,7 @@ xresize(int col, int row) { + xw.th = MAX(1, row * xw.ch); + + XFreePixmap(xw.dpy, xw.buf); +- xw.buf = XCreatePixmap(xw.dpy, xw.win, xw.w, xw.h, +- DefaultDepth(xw.dpy, xw.scr)); ++ xw.buf = XCreatePixmap(xw.dpy, xw.win, xw.w, xw.h, xw.depth); + XftDrawChange(xw.draw, xw.buf); + xclear(0, 0, xw.w, xw.h); + } +@@ -2856,6 +2858,13 @@ xloadcols(void) { + } + } + ++ /* set alpha value of bg color */ ++ if (USE_ARGB) { ++ dc.col[defaultbg].color.alpha = (0xffff * alpha) / OPAQUE; //0xcccc; ++ dc.col[defaultbg].pixel &= 0x00111111; ++ dc.col[defaultbg].pixel |= alpha << 24; // 0xcc000000; ++ } ++ + /* load colors [16-231] ; same colors as xterm */ + for(i = 16; i < 6*6*6+16; i++) { + color.red = sixd_to_16bit( ((i-16)/36)%6 ); +@@ -3152,7 +3161,38 @@ xinit(void) { + if(!(xw.dpy = XOpenDisplay(NULL))) + die("Can't open display\n"); + xw.scr = XDefaultScreen(xw.dpy); +- xw.vis = XDefaultVisual(xw.dpy, xw.scr); ++ xw.depth = (USE_ARGB)? 32: XDefaultDepth(xw.dpy, xw.scr); ++ if (! USE_ARGB) ++ xw.vis = XDefaultVisual(xw.dpy, xw.scr); ++ else { ++ XVisualInfo *vis; ++ XRenderPictFormat *fmt; ++ int nvi; ++ int i; ++ ++ XVisualInfo tpl = { ++ .screen = xw.scr, ++ .depth = 32, ++ .class = TrueColor ++ }; ++ ++ vis = XGetVisualInfo(xw.dpy, VisualScreenMask | VisualDepthMask | VisualClassMask, &tpl, &nvi); ++ xw.vis = NULL; ++ for(i = 0; i < nvi; i ++) { ++ fmt = XRenderFindVisualFormat(xw.dpy, vis[i].visual); ++ if (fmt->type == PictTypeDirect && fmt->direct.alphaMask) { ++ xw.vis = vis[i].visual; ++ break; ++ } ++ } ++ ++ XFree(vis); ++ ++ if (! xw.vis) { ++ fprintf(stderr, "Couldn't find ARGB visual.\n"); ++ exit(1); ++ } ++ } + + /* font */ + if(!FcInit()) +@@ -3162,7 +3202,10 @@ xinit(void) { + xloadfonts(usedfont, 0); + + /* colors */ +- xw.cmap = XDefaultColormap(xw.dpy, xw.scr); ++ if (! USE_ARGB) ++ xw.cmap = XDefaultColormap(xw.dpy, xw.scr); ++ else ++ xw.cmap = XCreateColormap(xw.dpy, XRootWindow(xw.dpy, xw.scr), xw.vis, None); + xloadcols(); + + /* adjust fixed window geometry */ +@@ -3185,16 +3228,17 @@ xinit(void) { + if (!(opt_embed && (parent = strtol(opt_embed, NULL, 0)))) + parent = XRootWindow(xw.dpy, xw.scr); + xw.win = XCreateWindow(xw.dpy, parent, xw.l, xw.t, +- xw.w, xw.h, 0, XDefaultDepth(xw.dpy, xw.scr), InputOutput, ++ xw.w, xw.h, 0, xw.depth, InputOutput, + xw.vis, CWBackPixel | CWBorderPixel | CWBitGravity + | CWEventMask | CWColormap, &xw.attrs); + + memset(&gcvalues, 0, sizeof(gcvalues)); + gcvalues.graphics_exposures = False; +- dc.gc = XCreateGC(xw.dpy, parent, GCGraphicsExposures, ++ xw.buf = XCreatePixmap(xw.dpy, xw.win, xw.w, xw.h, xw.depth); ++ dc.gc = XCreateGC(xw.dpy, ++ (USE_ARGB)? xw.buf: parent, ++ GCGraphicsExposures, + &gcvalues); +- xw.buf = XCreatePixmap(xw.dpy, xw.win, xw.w, xw.h, +- DefaultDepth(xw.dpy, xw.scr)); + XSetForeground(xw.dpy, dc.gc, dc.col[defaultbg].pixel); + XFillRectangle(xw.dpy, xw.buf, dc.gc, 0, 0, xw.w, xw.h); + |