diff options
Diffstat (limited to 'st.c')
-rw-r--r-- | st.c | 70 |
1 files changed, 63 insertions, 7 deletions
@@ -61,6 +61,7 @@ char *argv0; #define XK_ANY_MOD UINT_MAX #define XK_NO_MOD 0 #define XK_SWITCH_MOD (1<<13) +#define OPAQUE 0Xff #define histsize 2000 /* macros */ @@ -83,6 +84,8 @@ char *argv0; (t1.tv_nsec-t2.tv_nsec)/1E6) #define MODBIT(x, set, bit) ((set) ? ((x) |= (bit)) : ((x) &= ~(bit))) +#define USE_ARGB (alpha != OPAQUE && opt_embed == NULL) + #define TRUECOLOR(r,g,b) (1 << 24 | (r) << 16 | (g) << 8 | (b)) #define IS_TRUECOL(x) (1 << 24 & (x)) #define TRUERED(x) (((x) & 0xff0000) >> 8) @@ -281,6 +284,7 @@ typedef struct { int w, h; /* window width and height */ int ch; /* char height */ int cw; /* char width */ + int depth; /* bit depth */ int cyo; /* char y offset */ char state; /* focus, redraw, visible */ int cursor; /* cursor style */ @@ -3326,7 +3330,7 @@ xresize(int col, int row) XFreePixmap(xw.dpy, xw.buf); xw.buf = XCreatePixmap(xw.dpy, xw.win, xw.w, xw.h, - DefaultDepth(xw.dpy, xw.scr)); + xw.depth); XftDrawChange(xw.draw, xw.buf); xclear(0, 0, xw.w, xw.h); } @@ -3385,6 +3389,14 @@ xloadcols(void) else die("Could not allocate color %d\n", i); } + + /* 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; + } + loaded = 1; } @@ -3405,6 +3417,15 @@ xsetcolorname(int x, const char *name) return 0; } +void +xtermclear(int col1, int row1, int col2, int row2) { + XftDrawRect(xw.draw, + &dc.col[IS_SET(MODE_REVERSE) ? defaultfg : defaultbg], + borderpx + col1 * xw.cw, + borderpx + row1 * xw.ch, + (col2-col1+1) * xw.cw, + (row2-row1+1) * xw.ch); +} /* * Absolute coordinates. @@ -3677,7 +3698,38 @@ 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()) @@ -3687,7 +3739,10 @@ 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 */ @@ -3710,16 +3765,17 @@ 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); |