Fixed copying empty lines inside selection.

[st.git] / st.c

diff --git a/st.c b/st.c
index fe44608..506be0f 100644 (file)
--- a/st.c
+++ b/st.c
@@ -340,7 +340,7 @@ typedef struct {
 
 /* Drawing Context */
 typedef struct {
-       Colour col[LEN(colorname) < 256 ? 256 : LEN(colorname)];
+       Colour col[MAX(LEN(colorname), 256)];
        Font font, bfont, ifont, ibfont;
        GC gc;
 } DC;
@@ -765,7 +765,7 @@ selsnap(int mode, int *x, int *y, int direction) {
 void
 getbuttoninfo(XEvent *e) {
        int type;
-       uint state = e->xbutton.state &~Button1Mask;
+       uint state = e->xbutton.state & ~(Button1Mask | forceselmod);
 
        sel.alt = IS_SET(MODE_ALTSCREEN);
 
@@ -858,7 +858,7 @@ bpress(XEvent *e) {
        struct timeval now;
        Mousekey *mk;
 
-       if(IS_SET(MODE_MOUSE)) {
+       if(IS_SET(MODE_MOUSE) && !(e->xbutton.state & forceselmod)) {
                mousereport(e);
                return;
        }
@@ -949,7 +949,7 @@ getsel(void) {
                 * st.
                 * FIXME: Fix the computer world.
                 */
-               if(y < sel.ne.y && x > 0 && !((gp-1)->mode & ATTR_WRAP))
+               if(y < sel.ne.y && !(x > 0 && (gp-1)->mode & ATTR_WRAP))
                        *ptr++ = '\n';
 
                /*
@@ -1090,7 +1090,7 @@ xsetsel(char *str) {
 
 void
 brelease(XEvent *e) {
-       if(IS_SET(MODE_MOUSE)) {
+       if(IS_SET(MODE_MOUSE) && !(e->xbutton.state & forceselmod)) {
                mousereport(e);
                return;
        }
@@ -1113,7 +1113,7 @@ void
 bmotion(XEvent *e) {
        int oldey, oldex, oldsby, oldsey;
 
-       if(IS_SET(MODE_MOUSE)) {
+       if(IS_SET(MODE_MOUSE) && !(e->xbutton.state & forceselmod)) {
                mousereport(e);
                return;
        }
@@ -2335,19 +2335,19 @@ tcontrolcode(uchar ascii) {
        switch(ascii) {
        case '\t':   /* HT */
                tputtab(1);
-               break;
+               return;
        case '\b':   /* BS */
                tmoveto(term.c.x-1, term.c.y);
-               break;
+               return;
        case '\r':   /* CR */
                tmoveto(0, term.c.y);
-               break;
+               return;
        case '\f':   /* LF */
        case '\v':   /* VT */
        case '\n':   /* LF */
                /* go to first col if the mode is set */
                tnewline(IS_SET(MODE_CRLF));
-               break;
+               return;
        case '\a':   /* BEL */
                if(term.esc & ESC_STR_END) {
                        /* backwards compatibility to xterm */
@@ -2366,10 +2366,10 @@ tcontrolcode(uchar ascii) {
                return;
        case '\016': /* SO */
                term.charset = 0;
-               break;
+               return;
        case '\017': /* SI */
                term.charset = 1;
-               break;
+               return;
        case '\032': /* SUB */
                tsetchar(question, &term.c.attr, term.c.x, term.c.y);
        case '\030': /* CAN */
@@ -2380,6 +2380,7 @@ tcontrolcode(uchar ascii) {
        case '\021': /* XON (IGNORED) */
        case '\023': /* XOFF (IGNORED) */
        case 0177:   /* DEL (IGNORED) */
+               return;
        case 0x84:   /* TODO: IND */
        case 0x85:   /* TODO: NEL */
        case 0x88:   /* TODO: HTS */
@@ -2396,6 +2397,7 @@ tcontrolcode(uchar ascii) {
        case 0x9f:   /* TODO: APC */
                break;
        }
+       /* only CAN, SUB, \a and C1 chars interrupt a sequence */
        term.esc &= ~(ESC_STR_END|ESC_STR);
        return;
 }
@@ -2446,7 +2448,7 @@ tputc(char *c, int len) {
                   (ascii == '\a' || ascii == 030 ||
                    ascii == 032  || ascii == 033 ||
                    ISCONTROLC1(unicodep))) {
-                       term.esc &= ~ESC_STR;
+                       term.esc &= ~(ESC_START|ESC_STR);
                        term.esc |= ESC_STR_END;
                } else if(strescseq.len + len < sizeof(strescseq.buf) - 1) {
                        memmove(&strescseq.buf[strescseq.len], c, len);
@@ -2713,7 +2715,7 @@ sixd_to_16bit(int x) {
 
 void
 xloadcols(void) {
-       int i, r, g, b;
+       int i;
        XRenderColor color = { .alpha = 0xffff };
        static bool loaded;
        Colour *cp;
@@ -2723,7 +2725,7 @@ xloadcols(void) {
                        XftColorFree(xw.dpy, xw.vis, xw.cmap, cp);
        }
 
-       /* load colors [0-15] colors and [256-LEN(colorname)[ (config.h) */
+       /* load colours [0-15] and [256-LEN(colorname)] (config.h) */
        for(i = 0; i < LEN(colorname); i++) {
                if(!colorname[i])
                        continue;
@@ -2732,27 +2734,20 @@ xloadcols(void) {
                }
        }
 
-       /* load colors [16-255] ; same colors as xterm */
-       for(i = 16, r = 0; r < 6; r++) {
-               for(g = 0; g < 6; g++) {
-                       for(b = 0; b < 6; b++) {
-                               color.red = sixd_to_16bit(r);
-                               color.green = sixd_to_16bit(g);
-                               color.blue = sixd_to_16bit(b);
-                               if(!XftColorAllocValue(xw.dpy, xw.vis, xw.cmap, &color, &dc.col[i])) {
-                                       die("Could not allocate color %d\n", i);
-                               }
-                               i++;
-                       }
-               }
+       /* load colours [16-231] ; same colours as xterm */
+       for(i = 16; i < 6*6*6+16; i++) {
+               color.red   = sixd_to_16bit( ((i-16)/36)%6 );
+               color.green = sixd_to_16bit( ((i-16)/6) %6 );
+               color.blue  = sixd_to_16bit( ((i-16)/1) %6 );
+               if(!XftColorAllocValue(xw.dpy, xw.vis, xw.cmap, &color, &dc.col[i]))
+                       die("Could not allocate color %d\n", i);
        }
 
-       for(r = 0; r < 24; r++, i++) {
-               color.red = color.green = color.blue = 0x0808 + 0x0a0a * r;
-               if(!XftColorAllocValue(xw.dpy, xw.vis, xw.cmap, &color,
-                                       &dc.col[i])) {
+       /* load colours [232-255] ; grayscale */
+       for(; i < 256; i++) {
+               color.red = color.green = color.blue = 0x0808 + 0x0a0a * (i-(6*6*6+16));
+               if(!XftColorAllocValue(xw.dpy, xw.vis, xw.cmap, &color, &dc.col[i]))
                        die("Could not allocate color %d\n", i);
-               }
        }
        loaded = true;
 }
@@ -3147,22 +3142,13 @@ xdraws(char *s, Glyph base, int x, int y, int charlen, int bytelen) {
        }
 
        if(base.mode & ATTR_BOLD) {
-               if(BETWEEN(base.fg, 0, 7)) {
-                       /* basic system colors */
-                       fg = &dc.col[base.fg + 8];
-               } else if(BETWEEN(base.fg, 16, 195)) {
-                       /* 256 colors */
-                       fg = &dc.col[base.fg + 36];
-               } else if(BETWEEN(base.fg, 232, 251)) {
-                       /* greyscale */
-                       fg = &dc.col[base.fg + 4];
-               }
                /*
-                * Those ranges will not be brightened:
-                *    8 - 15 – bright system colors
-                *    196 - 231 – highest 256 color cube
-                *    252 - 255 – brightest colors in greyscale
+                * change basic system colours [0-7]
+                * to bright system colours [8-15]
                 */
+               if(BETWEEN(base.fg, 0, 7))
+                       fg = &dc.col[base.fg + 8];
+
                font = &dc.bfont;
                frcflags = FRC_BOLD;
        }
@@ -3437,6 +3423,7 @@ void
 redraw(int timeout) {
        struct timespec tv = {0, timeout * 1000};
 
+       tfulldirt();
        draw();
 
        if(timeout > 0) {