x: do not instantiate a new nested list on each cursor move

[st.git] / x.c

diff --git a/x.c b/x.c
index aa86b31..5af6e4d 100644 (file)
--- a/x.c
+++ b/x.c
@@ -29,9 +29,11 @@ typedef struct {
 } Shortcut;
 
 typedef struct {
-       uint b;
-       uint mask;
-       char *s;
+       uint mod;
+       uint button;
+       void (*func)(const Arg *);
+       const Arg arg;
+       uint  release;
 } MouseShortcut;
 
 typedef struct {
@@ -56,6 +58,7 @@ static void selpaste(const Arg *);
 static void zoom(const Arg *);
 static void zoomabs(const Arg *);
 static void zoomreset(const Arg *);
+static void ttysend(const Arg *);
 
 /* config.h for applying patches and the configuration. */
 #include "config.h"
@@ -91,8 +94,12 @@ typedef struct {
        Drawable buf;
        GlyphFontSpec *specbuf; /* font spec buffer used for rendering */
        Atom xembed, wmdeletewin, netwmname, netwmpid;
-       XIM xim;
-       XIC xic;
+       struct {
+               XIM xim;
+               XIC xic;
+               XPoint spot;
+               XVaNestedList spotlist;
+       } ime;
        Draw draw;
        Visual *vis;
        XSetWindowAttributes attrs;
@@ -163,6 +170,7 @@ static void kpress(XEvent *);
 static void cmessage(XEvent *);
 static void resize(XEvent *);
 static void focus(XEvent *);
+static int mouseaction(XEvent *, uint);
 static void brelease(XEvent *);
 static void bpress(XEvent *);
 static void bmotion(XEvent *);
@@ -312,6 +320,12 @@ zoomreset(const Arg *arg)
        }
 }
 
+void
+ttysend(const Arg *arg)
+{
+       ttywrite(arg->s, strlen(arg->s), 1);
+}
+
 int
 evcol(XEvent *e)
 {
@@ -332,7 +346,7 @@ void
 mousesel(XEvent *e, int done)
 {
        int type, seltype = SEL_REGULAR;
-       uint state = e->xbutton.state & ~(Button1Mask | forceselmod);
+       uint state = e->xbutton.state & ~(Button1Mask | forcemousemod);
 
        for (type = 1; type < LEN(selmasks); ++type) {
                if (match(selmasks[type], state)) {
@@ -408,25 +422,37 @@ mousereport(XEvent *e)
        ttywrite(buf, len, 0);
 }
 
+int
+mouseaction(XEvent *e, uint release)
+{
+       MouseShortcut *ms;
+
+       for (ms = mshortcuts; ms < mshortcuts + LEN(mshortcuts); ms++) {
+               if (ms->release == release &&
+                   ms->button == e->xbutton.button &&
+                   (match(ms->mod, e->xbutton.state) ||  /* exact or forced */
+                    match(ms->mod, e->xbutton.state & ~forcemousemod))) {
+                       ms->func(&(ms->arg));
+                       return 1;
+               }
+       }
+
+       return 0;
+}
+
 void
 bpress(XEvent *e)
 {
        struct timespec now;
-       MouseShortcut *ms;
        int snap;
 
-       if (IS_SET(MODE_MOUSE) && !(e->xbutton.state & forceselmod)) {
+       if (IS_SET(MODE_MOUSE) && !(e->xbutton.state & forcemousemod)) {
                mousereport(e);
                return;
        }
 
-       for (ms = mshortcuts; ms < mshortcuts + LEN(mshortcuts); ms++) {
-               if (e->xbutton.button == ms->b
-                               && match(ms->mask, e->xbutton.state)) {
-                       ttywrite(ms->s, strlen(ms->s), 1);
-                       return;
-               }
-       }
+       if (mouseaction(e, 0))
+               return;
 
        if (e->xbutton.button == Button1) {
                /*
@@ -642,21 +668,21 @@ xsetsel(char *str)
 void
 brelease(XEvent *e)
 {
-       if (IS_SET(MODE_MOUSE) && !(e->xbutton.state & forceselmod)) {
+       if (IS_SET(MODE_MOUSE) && !(e->xbutton.state & forcemousemod)) {
                mousereport(e);
                return;
        }
 
-       if (e->xbutton.button == Button2)
-               selpaste(NULL);
-       else if (e->xbutton.button == Button1)
+       if (mouseaction(e, 1))
+               return;
+       if (e->xbutton.button == Button1)
                mousesel(e, 1);
 }
 
 void
 bmotion(XEvent *e)
 {
-       if (IS_SET(MODE_MOUSE) && !(e->xbutton.state & forceselmod)) {
+       if (IS_SET(MODE_MOUSE) && !(e->xbutton.state & forcemousemod)) {
                mousereport(e);
                return;
        }
@@ -1004,20 +1030,23 @@ ximopen(Display *dpy)
 {
        XIMCallback destroy = { .client_data = NULL, .callback = ximdestroy };
 
-       if ((xw.xim = XOpenIM(xw.dpy, NULL, NULL, NULL)) == NULL) {
+       if ((xw.ime.xim = XOpenIM(xw.dpy, NULL, NULL, NULL)) == NULL) {
                XSetLocaleModifiers("@im=local");
-               if ((xw.xim = XOpenIM(xw.dpy, NULL, NULL, NULL)) == NULL) {
+               if ((xw.ime.xim = XOpenIM(xw.dpy, NULL, NULL, NULL)) == NULL) {
                        XSetLocaleModifiers("@im=");
-                       if ((xw.xim = XOpenIM(xw.dpy, NULL, NULL, NULL)) == NULL)
+                       if ((xw.ime.xim = XOpenIM(xw.dpy, NULL, NULL, NULL)) == NULL)
                                die("XOpenIM failed. Could not open input device.\n");
                }
        }
-       if (XSetIMValues(xw.xim, XNDestroyCallback, &destroy, NULL) != NULL)
+       if (XSetIMValues(xw.ime.xim, XNDestroyCallback, &destroy, NULL) != NULL)
                die("XSetIMValues failed. Could not set input method value.\n");
-       xw.xic = XCreateIC(xw.xim, XNInputStyle, XIMPreeditNothing | XIMStatusNothing,
-                               XNClientWindow, xw.win, XNFocusWindow, xw.win, NULL);
+       xw.xic = XCreateIC(xw.ime.xim, XNInputStyle, XIMPreeditNothing | XIMStatusNothing,
+                          XNClientWindow, xw.win, XNFocusWindow, xw.win, NULL);
        if (xw.xic == NULL)
                die("XCreateIC failed. Could not obtain input method.\n");
+
+       xw.ime.spotlist = XVaCreateNestedList(0, XNSpotLocation, &xw.ime.spot,
+                                             NULL);
 }
 
 void
@@ -1031,9 +1060,10 @@ ximinstantiate(Display *dpy, XPointer client, XPointer call)
 void
 ximdestroy(XIM xim, XPointer client, XPointer call)
 {
-       xw.xim = NULL;
+       xw.ime.xim = NULL;
        XRegisterIMInstantiateCallback(xw.dpy, NULL, NULL, NULL,
                                        ximinstantiate, NULL);
+       XFree(xw.ime.spotlist);
 }
 
 void
@@ -1132,8 +1162,8 @@ xinit(int cols, int rows)
 
        win.mode = MODE_NUMLOCK;
        resettitle();
-       XMapWindow(xw.dpy, xw.win);
        xhints();
+       XMapWindow(xw.dpy, xw.win);
        XSync(xw.dpy, False);
 
        clock_gettime(CLOCK_MONOTONIC, &xsel.tclick1);
@@ -1243,15 +1273,10 @@ xmakeglyphfontspecs(XftGlyphFontSpec *specs, const Glyph *glyphs, int len, int x
                        fontpattern = FcFontSetMatch(0, fcsets, 1,
                                        fcpattern, &fcres);
 
-                       /*
-                        * Allocate memory for the new cache entry.
-                        */
+                       /* Allocate memory for the new cache entry. */
                        if (frclen >= frccap) {
                                frccap += 16;
-                               if (!frc)
-                                       frc = xmalloc(frccap * sizeof(Fontcache));
-                               else
-                                       frc = xrealloc(frc, frccap * sizeof(Fontcache));
+                               frc = xrealloc(frc, frccap * sizeof(Fontcache));
                        }
 
                        frc[frclen].font = XftFontOpenPattern(xw.dpy,
@@ -1584,11 +1609,13 @@ xfinishdraw(void)
 void
 xximspot(int x, int y)
 {
-       XPoint spot = { borderpx + x * win.cw, borderpx + (y + 1) * win.ch };
-       XVaNestedList attr = XVaCreateNestedList(0, XNSpotLocation, &spot, NULL);
+       if (xw.ime.xic == NULL)
+               return;
+
+       xw.ime.spot.x = borderpx + x * win.cw;
+       xw.ime.spot.y = borderpx + (y + 1) * win.ch;
 
-       XSetICValues(xw.xic, XNPreeditAttributes, attr, NULL);
-       XFree(attr);
+       XSetICValues(xw.ime.xic, XNPreeditAttributes, xw.ime.spotlist, NULL);
 }
 
 void
@@ -1665,13 +1692,13 @@ focus(XEvent *ev)
                return;
 
        if (ev->type == FocusIn) {
-               XSetICFocus(xw.xic);
+               XSetICFocus(xw.ime.xic);
                win.mode |= MODE_FOCUSED;
                xseturgency(0);
                if (IS_SET(MODE_FOCUS))
                        ttywrite("\033[I", 3, 0);
        } else {
-               XUnsetICFocus(xw.xic);
+               XUnsetICFocus(xw.ime.xic);
                win.mode &= ~MODE_FOCUSED;
                if (IS_SET(MODE_FOCUS))
                        ttywrite("\033[O", 3, 0);
@@ -1726,7 +1753,7 @@ kpress(XEvent *ev)
 {
        XKeyEvent *e = &ev->xkey;
        KeySym ksym;
-       char buf[32], *customkey;
+       char buf[64], *customkey;
        int len;
        Rune c;
        Status status;
@@ -1735,7 +1762,7 @@ kpress(XEvent *ev)
        if (IS_SET(MODE_KBDLOCK))
                return;
 
-       len = XmbLookupString(xw.xic, e, buf, sizeof buf, &ksym, &status);
+       len = XmbLookupString(xw.ime.xic, e, buf, sizeof buf, &ksym, &status);
        /* 1. shortcuts */
        for (bp = shortcuts; bp < shortcuts + LEN(shortcuts); bp++) {
                if (ksym == bp->keysym && match(bp->mod, e->state)) {