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authorauric <104602845+ihateamongus@users.noreply.github.com>2025-09-08 21:19:14 -0500
committerauric <104602845+ihateamongus@users.noreply.github.com>2025-09-08 21:19:14 -0500
commite61da07522a060da98fa3a56db3d0360469b26cf (patch)
treec72d276bffa4dafe22ae0e4f694acfadb40b8ca1 /archive/st/x.c
parentd11aec86841f77edd6eba3e07aa1e7e591e9da2a (diff)
organize repository layout
Diffstat (limited to 'archive/st/x.c')
-rw-r--r--archive/st/x.c3665
1 files changed, 3665 insertions, 0 deletions
diff --git a/archive/st/x.c b/archive/st/x.c
new file mode 100644
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--- /dev/null
+++ b/archive/st/x.c
@@ -0,0 +1,3665 @@
+/* See LICENSE for license details. */
+#include <errno.h>
+#include <math.h>
+#include <limits.h>
+#include <locale.h>
+#include <signal.h>
+#include <sys/select.h>
+#include <time.h>
+#include <unistd.h>
+#include <libgen.h>
+#include <X11/Xatom.h>
+#include <X11/Xlib.h>
+#include <X11/cursorfont.h>
+#include <X11/keysym.h>
+#include <X11/Xft/Xft.h>
+#include <X11/XKBlib.h>
+
+char *argv0;
+#include "arg.h"
+#include "st.h"
+#include "win.h"
+#if LIGATURES_PATCH
+#include "hb.h"
+#endif // LIGATURES_PATCH
+
+#if THEMED_CURSOR_PATCH
+#include <X11/Xcursor/Xcursor.h>
+#endif // THEMED_CURSOR_PATCH
+
+#if UNDERCURL_PATCH
+/* Undercurl slope types */
+enum undercurl_slope_type {
+ UNDERCURL_SLOPE_ASCENDING = 0,
+ UNDERCURL_SLOPE_TOP_CAP = 1,
+ UNDERCURL_SLOPE_DESCENDING = 2,
+ UNDERCURL_SLOPE_BOTTOM_CAP = 3
+};
+#endif // UNDERCURL_PATCH
+
+/* X modifiers */
+#define XK_ANY_MOD UINT_MAX
+#define XK_NO_MOD 0
+#define XK_SWITCH_MOD (1<<13|1<<14)
+
+/* function definitions used in config.h */
+static void clipcopy(const Arg *);
+static void clippaste(const Arg *);
+static void numlock(const Arg *);
+static void selpaste(const Arg *);
+static void ttysend(const Arg *);
+static void zoom(const Arg *);
+static void zoomabs(const Arg *);
+static void zoomreset(const Arg *);
+
+#include "patch/st_include.h"
+#include "patch/x_include.h"
+
+/* config.h for applying patches and the configuration. */
+#include "config.h"
+
+#if CSI_22_23_PATCH
+/* size of title stack */
+#define TITLESTACKSIZE 8
+#endif // CSI_22_23_PATCH
+
+/* XEMBED messages */
+#define XEMBED_FOCUS_IN 4
+#define XEMBED_FOCUS_OUT 5
+
+/* macros */
+#define IS_SET(flag) ((win.mode & (flag)) != 0)
+#define TRUERED(x) (((x) & 0xff0000) >> 8)
+#define TRUEGREEN(x) (((x) & 0xff00))
+#define TRUEBLUE(x) (((x) & 0xff) << 8)
+
+static inline ushort sixd_to_16bit(int);
+static int xmakeglyphfontspecs(XftGlyphFontSpec *, const Glyph *, int, int, int);
+#if WIDE_GLYPHS_PATCH
+static void xdrawglyphfontspecs(const XftGlyphFontSpec *, Glyph, int, int, int, int);
+#else
+static void xdrawglyphfontspecs(const XftGlyphFontSpec *, Glyph, int, int, int);
+#endif // WIDE_GLYPHS_PATCH
+#if LIGATURES_PATCH
+static void xresetfontsettings(ushort mode, Font **font, int *frcflags);
+#endif // LIGATURES_PATCH
+static void xdrawglyph(Glyph, int, int);
+static void xclear(int, int, int, int);
+static int xgeommasktogravity(int);
+static int ximopen(Display *);
+static void ximinstantiate(Display *, XPointer, XPointer);
+static void ximdestroy(XIM, XPointer, XPointer);
+static int xicdestroy(XIC, XPointer, XPointer);
+static void xinit(int, int);
+static void cresize(int, int);
+static void xresize(int, int);
+static void xhints(void);
+static int xloadcolor(int, const char *, Color *);
+static int xloadfont(Font *, FcPattern *);
+static void xloadfonts(const char *, double);
+static void xunloadfont(Font *);
+static void xunloadfonts(void);
+static void xsetenv(void);
+static void xseturgency(int);
+static int evcol(XEvent *);
+static int evrow(XEvent *);
+
+static void expose(XEvent *);
+static void visibility(XEvent *);
+static void unmap(XEvent *);
+static void kpress(XEvent *);
+static void cmessage(XEvent *);
+static void resize(XEvent *);
+static void focus(XEvent *);
+static uint buttonmask(uint);
+static void brelease(XEvent *);
+static void bpress(XEvent *);
+static void bmotion(XEvent *);
+static void propnotify(XEvent *);
+static void selnotify(XEvent *);
+static void selclear_(XEvent *);
+static void selrequest(XEvent *);
+static void setsel(char *, Time);
+#if XRESOURCES_PATCH && XRESOURCES_RELOAD_PATCH || BACKGROUND_IMAGE_PATCH && BACKGROUND_IMAGE_RELOAD_PATCH
+static void sigusr1_reload(int sig);
+#endif // XRESOURCES_RELOAD_PATCH | BACKGROUND_IMAGE_RELOAD_PATCH
+static int mouseaction(XEvent *, uint);
+static void mousesel(XEvent *, int);
+static void mousereport(XEvent *);
+static char *kmap(KeySym, uint);
+static int match(uint, uint);
+
+static void run(void);
+static void usage(void);
+
+static void (*handler[LASTEvent])(XEvent *) = {
+ [KeyPress] = kpress,
+ [ClientMessage] = cmessage,
+ [ConfigureNotify] = resize,
+ [VisibilityNotify] = visibility,
+ [UnmapNotify] = unmap,
+ [Expose] = expose,
+ [FocusIn] = focus,
+ [FocusOut] = focus,
+ [MotionNotify] = bmotion,
+ [ButtonPress] = bpress,
+ [ButtonRelease] = brelease,
+/*
+ * Uncomment if you want the selection to disappear when you select something
+ * different in another window.
+ */
+/* [SelectionClear] = selclear_, */
+ [SelectionNotify] = selnotify,
+/*
+ * PropertyNotify is only turned on when there is some INCR transfer happening
+ * for the selection retrieval.
+ */
+ [PropertyNotify] = propnotify,
+ [SelectionRequest] = selrequest,
+ #if ST_EMBEDDER_PATCH
+ [CreateNotify] = createnotify,
+ [DestroyNotify] = destroynotify,
+ #endif // ST_EMBEDDER_PATCH
+};
+
+/* Globals */
+Term term;
+DC dc;
+XWindow xw;
+XSelection xsel;
+TermWindow win;
+
+#if CSI_22_23_PATCH
+static int tstki; /* title stack index */
+static char *titlestack[TITLESTACKSIZE]; /* title stack */
+#endif // CSI_22_23_PATCH
+
+/* Font Ring Cache */
+enum {
+ FRC_NORMAL,
+ FRC_ITALIC,
+ FRC_BOLD,
+ FRC_ITALICBOLD
+};
+
+typedef struct {
+ XftFont *font;
+ int flags;
+ Rune unicodep;
+} Fontcache;
+
+/* Fontcache is an array now. A new font will be appended to the array. */
+static Fontcache *frc = NULL;
+static int frclen = 0;
+static int frccap = 0;
+static char *usedfont = NULL;
+static double usedfontsize = 0;
+static double defaultfontsize = 0;
+
+#if ALPHA_PATCH
+static char *opt_alpha = NULL;
+#endif // ALPHA_PATCH
+static char *opt_class = NULL;
+static char **opt_cmd = NULL;
+static char *opt_embed = NULL;
+static char *opt_font = NULL;
+static char *opt_io = NULL;
+static char *opt_line = NULL;
+static char *opt_name = NULL;
+static char *opt_title = NULL;
+#if WORKINGDIR_PATCH
+static char *opt_dir = NULL;
+#endif // WORKINGDIR_PATCH
+
+#if ALPHA_PATCH && ALPHA_FOCUS_HIGHLIGHT_PATCH
+static int focused = 0;
+#endif // ALPHA_FOCUS_HIGHLIGHT_PATCH
+
+static uint buttons; /* bit field of pressed buttons */
+#if BLINKING_CURSOR_PATCH
+static int cursorblinks = 0;
+#endif // BLINKING_CURSOR_PATCH
+#if VISUALBELL_1_PATCH
+static int bellon = 0; /* visual bell status */
+#endif // VISUALBELL_1_PATCH
+#if RELATIVEBORDER_PATCH
+int borderpx;
+#endif // RELATIVEBORDER_PATCH
+#if SWAPMOUSE_PATCH
+static Cursor cursor;
+static XColor xmousefg, xmousebg;
+#endif // SWAPMOUSE_PATCH
+
+#include "patch/x_include.c"
+
+void
+clipcopy(const Arg *dummy)
+{
+ Atom clipboard;
+
+ free(xsel.clipboard);
+ xsel.clipboard = NULL;
+
+ if (xsel.primary != NULL) {
+ xsel.clipboard = xstrdup(xsel.primary);
+ clipboard = XInternAtom(xw.dpy, "CLIPBOARD", 0);
+ XSetSelectionOwner(xw.dpy, clipboard, xw.win, CurrentTime);
+ }
+}
+
+void
+clippaste(const Arg *dummy)
+{
+ Atom clipboard;
+
+ clipboard = XInternAtom(xw.dpy, "CLIPBOARD", 0);
+ XConvertSelection(xw.dpy, clipboard, xsel.xtarget, clipboard,
+ xw.win, CurrentTime);
+}
+
+void
+numlock(const Arg *dummy)
+{
+ win.mode ^= MODE_NUMLOCK;
+}
+
+void
+selpaste(const Arg *dummy)
+{
+ XConvertSelection(xw.dpy, XA_PRIMARY, xsel.xtarget, XA_PRIMARY,
+ xw.win, CurrentTime);
+}
+
+void
+ttysend(const Arg *arg)
+{
+ ttywrite(arg->s, strlen(arg->s), 1);
+}
+
+void
+zoom(const Arg *arg)
+{
+ Arg larg;
+
+ larg.f = usedfontsize + arg->f;
+ zoomabs(&larg);
+}
+
+void
+zoomabs(const Arg *arg)
+{
+ xunloadfonts();
+ xloadfonts(usedfont, arg->f);
+ #if FONT2_PATCH
+ xloadsparefonts();
+ #endif // FONT2_PATCH
+ cresize(0, 0);
+ redraw();
+ xhints();
+}
+
+void
+zoomreset(const Arg *arg)
+{
+ Arg larg;
+
+ if (defaultfontsize > 0) {
+ larg.f = defaultfontsize;
+ zoomabs(&larg);
+ }
+}
+
+int
+evcol(XEvent *e)
+{
+ #if ANYSIZE_PATCH
+ int x = e->xbutton.x - win.hborderpx;
+ #else
+ int x = e->xbutton.x - borderpx;
+ #endif // ANYSIZE_PATCH
+ LIMIT(x, 0, win.tw - 1);
+ return x / win.cw;
+}
+
+int
+evrow(XEvent *e)
+{
+ #if ANYSIZE_PATCH
+ int y = e->xbutton.y - win.vborderpx;
+ #else
+ int y = e->xbutton.y - borderpx;
+ #endif // ANYSIZE_PATCH
+ LIMIT(y, 0, win.th - 1);
+ return y / win.ch;
+}
+
+uint
+buttonmask(uint button)
+{
+ return button == Button1 ? Button1Mask
+ : button == Button2 ? Button2Mask
+ : button == Button3 ? Button3Mask
+ : button == Button4 ? Button4Mask
+ : button == Button5 ? Button5Mask
+ : 0;
+}
+
+int
+mouseaction(XEvent *e, uint release)
+{
+ MouseShortcut *ms;
+ int screen = tisaltscr() ? S_ALT : S_PRI;
+
+ /* ignore Button<N>mask for Button<N> - it's set on release */
+ uint state = e->xbutton.state & ~buttonmask(e->xbutton.button);
+
+ for (ms = mshortcuts; ms < mshortcuts + LEN(mshortcuts); ms++) {
+ if (ms->release == release &&
+ ms->button == e->xbutton.button &&
+ (!ms->screen || (ms->screen == screen)) &&
+ (match(ms->mod, state) || /* exact or forced */
+ match(ms->mod, state & ~forcemousemod))) {
+ ms->func(&(ms->arg));
+ return 1;
+ }
+ }
+
+ return 0;
+}
+
+void
+mousesel(XEvent *e, int done)
+{
+ int type, seltype = SEL_REGULAR;
+ uint state = e->xbutton.state & ~(Button1Mask | forcemousemod);
+
+ for (type = 1; type < LEN(selmasks); ++type) {
+ if (match(selmasks[type], state)) {
+ seltype = type;
+ break;
+ }
+ }
+ selextend(evcol(e), evrow(e), seltype, done);
+ if (done)
+ setsel(getsel(), e->xbutton.time);
+}
+
+void
+mousereport(XEvent *e)
+{
+ int len, btn, code;
+ int x = evcol(e), y = evrow(e);
+ int state = e->xbutton.state;
+ char buf[40];
+ static int ox, oy;
+
+ if (e->type == MotionNotify) {
+ if (x == ox && y == oy)
+ return;
+ if (!IS_SET(MODE_MOUSEMOTION) && !IS_SET(MODE_MOUSEMANY))
+ return;
+ /* MODE_MOUSEMOTION: no reporting if no button is pressed */
+ if (IS_SET(MODE_MOUSEMOTION) && buttons == 0)
+ return;
+
+ /* Set btn to lowest-numbered pressed button, or 12 if no
+ * buttons are pressed. */
+ for (btn = 1; btn <= 11 && !(buttons & (1<<(btn-1))); btn++)
+ ;
+ code = 32;
+ } else {
+ btn = e->xbutton.button;
+ /* Only buttons 1 through 11 can be encoded */
+ if (btn < 1 || btn > 11)
+ return;
+ if (e->type == ButtonRelease) {
+ /* MODE_MOUSEX10: no button release reporting */
+ if (IS_SET(MODE_MOUSEX10))
+ return;
+ /* Don't send release events for the scroll wheel */
+ if (btn == 4 || btn == 5)
+ return;
+ }
+ code = 0;
+ }
+
+ ox = x;
+ oy = y;
+
+ /* Encode btn into code. If no button is pressed for a motion event in
+ * MODE_MOUSEMANY, then encode it as a release. */
+ if ((!IS_SET(MODE_MOUSESGR) && e->type == ButtonRelease) || btn == 12)
+ code += 3;
+ else if (btn >= 8)
+ code += 128 + btn - 8;
+ else if (btn >= 4)
+ code += 64 + btn - 4;
+ else
+ code += btn - 1;
+
+ if (!IS_SET(MODE_MOUSEX10)) {
+ code += ((state & ShiftMask ) ? 4 : 0)
+ + ((state & Mod1Mask ) ? 8 : 0) /* meta key: alt */
+ + ((state & ControlMask) ? 16 : 0);
+ }
+
+ if (IS_SET(MODE_MOUSESGR)) {
+ len = snprintf(buf, sizeof(buf), "\033[<%d;%d;%d%c",
+ code, x+1, y+1,
+ e->type == ButtonRelease ? 'm' : 'M');
+ } else if (x < 223 && y < 223) {
+ len = snprintf(buf, sizeof(buf), "\033[M%c%c%c",
+ 32+code, 32+x+1, 32+y+1);
+ } else {
+ return;
+ }
+
+ ttywrite(buf, len, 0);
+}
+
+void
+bpress(XEvent *e)
+{
+ int btn = e->xbutton.button;
+ struct timespec now;
+ #if !VIM_BROWSE_PATCH
+ int snap;
+ #endif // VIM_BROWSE_PATCH
+
+ if (1 <= btn && btn <= 11)
+ buttons |= 1 << (btn-1);
+
+ if (IS_SET(MODE_MOUSE) && !(e->xbutton.state & forcemousemod)) {
+ mousereport(e);
+ return;
+ }
+
+ if (mouseaction(e, 0))
+ return;
+
+ if (btn == Button1) {
+ /*
+ * If the user clicks below predefined timeouts specific
+ * snapping behaviour is exposed.
+ */
+ clock_gettime(CLOCK_MONOTONIC, &now);
+ #if VIM_BROWSE_PATCH
+ int const tripleClick = TIMEDIFF(now, xsel.tclick2) <= tripleclicktimeout,
+ doubleClick = TIMEDIFF(now, xsel.tclick1) <= doubleclicktimeout;
+ if ((mouseYank || mouseSelect) && (tripleClick || doubleClick)) {
+ if (!IS_SET(MODE_NORMAL)) normalMode();
+ historyOpToggle(1, 1);
+ tmoveto(evcol(e), evrow(e));
+ if (tripleClick) {
+ if (mouseYank) pressKeys("dVy", 3);
+ if (mouseSelect) pressKeys("dV", 2);
+ } else if (doubleClick) {
+ if (mouseYank) pressKeys("dyiW", 4);
+ if (mouseSelect) {
+ tmoveto(evcol(e), evrow(e));
+ pressKeys("viW", 3);
+ }
+ }
+ historyOpToggle(-1, 1);
+ } else {
+ if (!IS_SET(MODE_NORMAL)) selstart(evcol(e), evrow(e), 0);
+ else {
+ historyOpToggle(1, 1);
+ tmoveto(evcol(e), evrow(e));
+ pressKeys("v", 1);
+ historyOpToggle(-1, 1);
+ }
+ }
+ #else
+ if (TIMEDIFF(now, xsel.tclick2) <= tripleclicktimeout) {
+ snap = SNAP_LINE;
+ } else if (TIMEDIFF(now, xsel.tclick1) <= doubleclicktimeout) {
+ snap = SNAP_WORD;
+ } else {
+ snap = 0;
+ }
+ #endif // VIM_BROWSE_PATCH
+ xsel.tclick2 = xsel.tclick1;
+ xsel.tclick1 = now;
+
+ #if !VIM_BROWSE_PATCH
+ selstart(evcol(e), evrow(e), snap);
+ #endif // VIM_BROWSE_PATCH
+
+ #if OPENURLONCLICK_PATCH
+ clearurl();
+ url_click = 1;
+ #endif // OPENURLONCLICK_PATCH
+ }
+}
+
+void
+propnotify(XEvent *e)
+{
+ XPropertyEvent *xpev;
+ Atom clipboard = XInternAtom(xw.dpy, "CLIPBOARD", 0);
+
+ xpev = &e->xproperty;
+ if (xpev->state == PropertyNewValue &&
+ (xpev->atom == XA_PRIMARY ||
+ xpev->atom == clipboard)) {
+ selnotify(e);
+ }
+
+ #if BACKGROUND_IMAGE_PATCH
+ if (pseudotransparency &&
+ !strncmp(XGetAtomName(xw.dpy, e->xproperty.atom), "_NET_WM_STATE", 13)) {
+ updatexy();
+ redraw();
+ }
+ #endif // BACKGROUND_IMAGE_PATCH
+}
+
+void
+selnotify(XEvent *e)
+{
+ ulong nitems, ofs, rem;
+ int format;
+ uchar *data, *last, *repl;
+ Atom type, incratom, property = None;
+
+ incratom = XInternAtom(xw.dpy, "INCR", 0);
+
+ ofs = 0;
+ if (e->type == SelectionNotify)
+ property = e->xselection.property;
+ else if (e->type == PropertyNotify)
+ property = e->xproperty.atom;
+
+ if (property == None)
+ return;
+
+ do {
+ if (XGetWindowProperty(xw.dpy, xw.win, property, ofs,
+ BUFSIZ/4, False, AnyPropertyType,
+ &type, &format, &nitems, &rem,
+ &data)) {
+ fprintf(stderr, "Clipboard allocation failed\n");
+ return;
+ }
+
+ #if BACKGROUND_IMAGE_PATCH
+ if (e->type == PropertyNotify && nitems == 0 && rem == 0 && !pseudotransparency)
+ #else
+ if (e->type == PropertyNotify && nitems == 0 && rem == 0)
+ #endif // BACKGROUND_IMAGE_PATCH
+ {
+ /*
+ * If there is some PropertyNotify with no data, then
+ * this is the signal of the selection owner that all
+ * data has been transferred. We won't need to receive
+ * PropertyNotify events anymore.
+ */
+ MODBIT(xw.attrs.event_mask, 0, PropertyChangeMask);
+ XChangeWindowAttributes(xw.dpy, xw.win, CWEventMask,
+ &xw.attrs);
+ }
+
+ if (type == incratom) {
+ /*
+ * Activate the PropertyNotify events so we receive
+ * when the selection owner does send us the next
+ * chunk of data.
+ */
+ #if BACKGROUND_IMAGE_PATCH
+ if (!pseudotransparency) {
+ #endif // BACKGROUND_IMAGE_PATCH
+ MODBIT(xw.attrs.event_mask, 1, PropertyChangeMask);
+ XChangeWindowAttributes(xw.dpy, xw.win, CWEventMask,
+ &xw.attrs);
+ #if BACKGROUND_IMAGE_PATCH
+ }
+ #endif // BACKGROUND_IMAGE_PATCH
+
+ /*
+ * Deleting the property is the transfer start signal.
+ */
+ XDeleteProperty(xw.dpy, xw.win, (int)property);
+ continue;
+ }
+
+ /*
+ * As seen in getsel:
+ * Line endings are inconsistent in the terminal and GUI world
+ * copy and pasting. When receiving some selection data,
+ * replace all '\n' with '\r'.
+ * FIXME: Fix the computer world.
+ */
+ repl = data;
+ last = data + nitems * format / 8;
+ while ((repl = memchr(repl, '\n', last - repl))) {
+ *repl++ = '\r';
+ }
+
+ if (IS_SET(MODE_BRCKTPASTE) && ofs == 0)
+ ttywrite("\033[200~", 6, 0);
+ ttywrite((char *)data, nitems * format / 8, 1);
+ if (IS_SET(MODE_BRCKTPASTE) && rem == 0)
+ ttywrite("\033[201~", 6, 0);
+ XFree(data);
+ /* number of 32-bit chunks returned */
+ ofs += nitems * format / 32;
+ } while (rem > 0);
+
+ /*
+ * Deleting the property again tells the selection owner to send the
+ * next data chunk in the property.
+ */
+ XDeleteProperty(xw.dpy, xw.win, (int)property);
+}
+
+void
+xclipcopy(void)
+{
+ clipcopy(NULL);
+}
+
+void
+selclear_(XEvent *e)
+{
+ selclear();
+}
+
+void
+selrequest(XEvent *e)
+{
+ XSelectionRequestEvent *xsre;
+ XSelectionEvent xev;
+ Atom xa_targets, string, clipboard;
+ char *seltext;
+
+ xsre = (XSelectionRequestEvent *) e;
+ xev.type = SelectionNotify;
+ xev.requestor = xsre->requestor;
+ xev.selection = xsre->selection;
+ xev.target = xsre->target;
+ xev.time = xsre->time;
+ if (xsre->property == None)
+ xsre->property = xsre->target;
+
+ /* reject */
+ xev.property = None;
+
+ xa_targets = XInternAtom(xw.dpy, "TARGETS", 0);
+ if (xsre->target == xa_targets) {
+ /* respond with the supported type */
+ string = xsel.xtarget;
+ XChangeProperty(xsre->display, xsre->requestor, xsre->property,
+ XA_ATOM, 32, PropModeReplace,
+ (uchar *) &string, 1);
+ xev.property = xsre->property;
+ } else if (xsre->target == xsel.xtarget || xsre->target == XA_STRING) {
+ /*
+ * xith XA_STRING non ascii characters may be incorrect in the
+ * requestor. It is not our problem, use utf8.
+ */
+ clipboard = XInternAtom(xw.dpy, "CLIPBOARD", 0);
+ if (xsre->selection == XA_PRIMARY) {
+ seltext = xsel.primary;
+ } else if (xsre->selection == clipboard) {
+ seltext = xsel.clipboard;
+ } else {
+ fprintf(stderr,
+ "Unhandled clipboard selection 0x%lx\n",
+ xsre->selection);
+ return;
+ }
+ if (seltext != NULL) {
+ XChangeProperty(xsre->display, xsre->requestor,
+ xsre->property, xsre->target,
+ 8, PropModeReplace,
+ (uchar *)seltext, strlen(seltext));
+ xev.property = xsre->property;
+ }
+ }
+
+ /* all done, send a notification to the listener */
+ if (!XSendEvent(xsre->display, xsre->requestor, 1, 0, (XEvent *) &xev))
+ fprintf(stderr, "Error sending SelectionNotify event\n");
+}
+
+void
+setsel(char *str, Time t)
+{
+ if (!str)
+ return;
+
+ free(xsel.primary);
+ xsel.primary = str;
+
+ XSetSelectionOwner(xw.dpy, XA_PRIMARY, xw.win, t);
+ if (XGetSelectionOwner(xw.dpy, XA_PRIMARY) != xw.win)
+ selclear();
+
+ #if CLIPBOARD_PATCH
+ clipcopy(NULL);
+ #endif // CLIPBOARD_PATCH
+}
+
+#if XRESOURCES_PATCH && XRESOURCES_RELOAD_PATCH || BACKGROUND_IMAGE_PATCH && BACKGROUND_IMAGE_RELOAD_PATCH
+void
+sigusr1_reload(int sig)
+{
+ #if XRESOURCES_PATCH && XRESOURCES_RELOAD_PATCH
+ reload_config(sig);
+ #endif // XRESOURCES_RELOAD_PATCH
+ #if BACKGROUND_IMAGE_PATCH && BACKGROUND_IMAGE_RELOAD_PATCH
+ reload_image();
+ #endif // BACKGROUND_IMAGE_RELOAD_PATCH
+ signal(SIGUSR1, sigusr1_reload);
+}
+#endif // XRESOURCES_RELOAD_PATCH | BACKGROUND_IMAGE_RELOAD_PATCH
+
+void
+xsetsel(char *str)
+{
+ setsel(str, CurrentTime);
+}
+
+void
+brelease(XEvent *e)
+{
+ int btn = e->xbutton.button;
+
+ if (1 <= btn && btn <= 11)
+ buttons &= ~(1 << (btn-1));
+
+ if (IS_SET(MODE_MOUSE) && !(e->xbutton.state & forcemousemod)) {
+ mousereport(e);
+ return;
+ }
+
+ if (mouseaction(e, 1))
+ return;
+ #if VIM_BROWSE_PATCH
+ if (btn == Button1 && !IS_SET(MODE_NORMAL)) {
+ mousesel(e, 1);
+ #if OPENURLONCLICK_PATCH
+ if (url_click && e->xkey.state & url_opener_modkey)
+ openUrlOnClick(evcol(e), evrow(e), url_opener);
+ #endif // OPENURLONCLICK_PATCH
+ }
+ #else
+ if (btn == Button1) {
+ mousesel(e, 1);
+ #if OPENURLONCLICK_PATCH
+ if (url_click && e->xkey.state & url_opener_modkey)
+ openUrlOnClick(evcol(e), evrow(e), url_opener);
+ #endif // OPENURLONCLICK_PATCH
+ }
+ #endif // VIM_BROWSE_PATCH
+ #if RIGHTCLICKTOPLUMB_PATCH
+ else if (btn == Button3)
+ plumb(xsel.primary);
+ #endif // RIGHTCLICKTOPLUMB_PATCH
+}
+
+void
+bmotion(XEvent *e)
+{
+ #if HIDECURSOR_PATCH
+ if (!xw.pointerisvisible) {
+ #if SWAPMOUSE_PATCH
+ if (win.mode & MODE_MOUSE)
+ XUndefineCursor(xw.dpy, xw.win);
+ else
+ XDefineCursor(xw.dpy, xw.win, xw.vpointer);
+ #else
+ XDefineCursor(xw.dpy, xw.win, xw.vpointer);
+ #endif // SWAPMOUSE_PATCH
+ xw.pointerisvisible = 1;
+ if (!IS_SET(MODE_MOUSEMANY))
+ xsetpointermotion(0);
+ }
+ #endif // HIDECURSOR_PATCH
+ #if OPENURLONCLICK_PATCH
+ #if VIM_BROWSE_PATCH
+ if (!IS_SET(MODE_NORMAL))
+ #endif // VIM_BROWSE_PATCH
+ if (!IS_SET(MODE_MOUSE)) {
+ if (!(e->xbutton.state & Button1Mask) && detecturl(evcol(e), evrow(e), 1))
+ XDefineCursor(xw.dpy, xw.win, xw.upointer);
+ else
+ XDefineCursor(xw.dpy, xw.win, xw.vpointer);
+ }
+ url_click = 0;
+ #endif // OPENURLONCLICK_PATCH
+
+ if (IS_SET(MODE_MOUSE) && !(e->xbutton.state & forcemousemod)) {
+ mousereport(e);
+ return;
+ }
+
+ mousesel(e, 0);
+}
+
+void
+cresize(int width, int height)
+{
+ int col, row;
+
+ if (width != 0)
+ win.w = width;
+ if (height != 0)
+ win.h = height;
+
+ col = (win.w - 2 * borderpx) / win.cw;
+ row = (win.h - 2 * borderpx) / win.ch;
+ col = MAX(1, col);
+ row = MAX(1, row);
+
+ #if ANYSIZE_PATCH
+ win.hborderpx = (win.w - col * win.cw) / 2;
+ win.vborderpx = (win.h - row * win.ch) / 2;
+ #endif // ANYSIZE_PATCH
+
+ tresize(col, row);
+ xresize(col, row);
+ ttyresize(win.tw, win.th);
+}
+
+void
+xresize(int col, int row)
+{
+ win.tw = col * win.cw;
+ win.th = row * win.ch;
+
+ #if !SINGLE_DRAWABLE_BUFFER_PATCH
+ XFreePixmap(xw.dpy, xw.buf);
+ xw.buf = XCreatePixmap(xw.dpy, xw.win, win.w, win.h,
+ #if ALPHA_PATCH
+ xw.depth
+ #else
+ DefaultDepth(xw.dpy, xw.scr)
+ #endif // ALPHA_PATCH
+ );
+ XftDrawChange(xw.draw, xw.buf);
+ #endif // SINGLE_DRAWABLE_BUFFER_PATCH
+ xclear(0, 0, win.w, win.h);
+
+ /* resize to new width */
+ xw.specbuf = xrealloc(xw.specbuf, col * sizeof(GlyphFontSpec));
+}
+
+ushort
+sixd_to_16bit(int x)
+{
+ return x == 0 ? 0 : 0x3737 + 0x2828 * x;
+}
+
+int
+xloadcolor(int i, const char *name, Color *ncolor)
+{
+ XRenderColor color = { .alpha = 0xffff };
+
+ if (!name) {
+ if (BETWEEN(i, 16, 255)) { /* 256 color */
+ if (i < 6*6*6+16) { /* same colors as xterm */
+ 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 );
+ } else { /* greyscale */
+ color.red = 0x0808 + 0x0a0a * (i - (6*6*6+16));
+ color.green = color.blue = color.red;
+ }
+ return XftColorAllocValue(xw.dpy, xw.vis,
+ xw.cmap, &color, ncolor);
+ } else
+ name = colorname[i];
+ }
+
+ return XftColorAllocName(xw.dpy, xw.vis, xw.cmap, name, ncolor);
+}
+
+#if VIM_BROWSE_PATCH
+void normalMode()
+{
+ #if OPENURLONCLICK_PATCH
+ clearurl();
+ restoremousecursor();
+ #endif // OPENURLONCLICK_PATCH
+ historyModeToggle((win.mode ^=MODE_NORMAL) & MODE_NORMAL);
+}
+#endif // VIM_BROWSE_PATCH
+
+#if ALPHA_PATCH && ALPHA_FOCUS_HIGHLIGHT_PATCH
+void
+xloadalpha(void)
+{
+ float const usedAlpha = focused ? alpha : alphaUnfocused;
+ if (opt_alpha) alpha = strtof(opt_alpha, NULL);
+ dc.col[defaultbg].color.alpha = (unsigned short)(0xffff * usedAlpha);
+ dc.col[defaultbg].pixel &= 0x00FFFFFF;
+ dc.col[defaultbg].pixel |= (unsigned char)(0xff * usedAlpha) << 24;
+}
+#endif // ALPHA_FOCUS_HIGHLIGHT_PATCH
+
+#if ALPHA_PATCH && ALPHA_FOCUS_HIGHLIGHT_PATCH
+void
+xloadcols(void)
+{
+ static int loaded;
+ Color *cp;
+
+ if (!loaded) {
+ dc.collen = 1 + (defaultbg = MAX(LEN(colorname), 256));
+ dc.col = xmalloc((dc.collen) * sizeof(Color));
+ }
+
+ for (int i = 0; i+1 < dc.collen; ++i)
+ if (!xloadcolor(i, NULL, &dc.col[i])) {
+ if (colorname[i])
+ die("could not allocate color '%s'\n", colorname[i]);
+ else
+ die("could not allocate color %d\n", i);
+ }
+ if (dc.collen) // cannot die, as the color is already loaded.
+ xloadcolor(focused ? bg : bgUnfocused, NULL, &dc.col[defaultbg]);
+
+ xloadalpha();
+ loaded = 1;
+}
+#else
+void
+xloadcols(void)
+{
+ int i;
+ static int loaded;
+ Color *cp;
+
+ if (loaded) {
+ for (cp = dc.col; cp < &dc.col[dc.collen]; ++cp)
+ XftColorFree(xw.dpy, xw.vis, xw.cmap, cp);
+ } else {
+ dc.collen = MAX(LEN(colorname), 256);
+ dc.col = xmalloc(dc.collen * sizeof(Color));
+ }
+
+ for (i = 0; i < dc.collen; i++)
+ if (!xloadcolor(i, NULL, &dc.col[i])) {
+ if (colorname[i])
+ die("could not allocate color '%s'\n", colorname[i]);
+ else
+ die("could not allocate color %d\n", i);
+ }
+ #if ALPHA_PATCH
+ /* set alpha value of bg color */
+ if (opt_alpha)
+ alpha = strtof(opt_alpha, NULL);
+ dc.col[defaultbg].color.alpha = (unsigned short)(0xffff * alpha);
+ dc.col[defaultbg].pixel &= 0x00FFFFFF;
+ dc.col[defaultbg].pixel |= (unsigned char)(0xff * alpha) << 24;
+ #endif // ALPHA_PATCH
+ loaded = 1;
+}
+#endif // ALPHA_FOCUS_HIGHLIGHT_PATCH
+
+int
+xgetcolor(int x, unsigned char *r, unsigned char *g, unsigned char *b)
+{
+ if (!BETWEEN(x, 0, dc.collen - 1))
+ return 1;
+
+ *r = dc.col[x].color.red >> 8;
+ *g = dc.col[x].color.green >> 8;
+ *b = dc.col[x].color.blue >> 8;
+
+ return 0;
+}
+
+int
+xsetcolorname(int x, const char *name)
+{
+ Color ncolor;
+
+ if (!BETWEEN(x, 0, dc.collen - 1))
+ return 1;
+
+ if (!xloadcolor(x, name, &ncolor))
+ return 1;
+
+ XftColorFree(xw.dpy, xw.vis, xw.cmap, &dc.col[x]);
+ dc.col[x] = ncolor;
+
+ #if ALPHA_PATCH
+ /* set alpha value of bg color */
+ if (x == defaultbg) {
+ if (opt_alpha)
+ alpha = strtof(opt_alpha, NULL);
+ dc.col[defaultbg].color.alpha = (unsigned short)(0xffff * alpha);
+ dc.col[defaultbg].pixel &= 0x00FFFFFF;
+ dc.col[defaultbg].pixel |= (unsigned char)(0xff * alpha) << 24;
+ }
+ #endif // ALPHA_PATCH
+ return 0;
+}
+
+/*
+ * Absolute coordinates.
+ */
+void
+xclear(int x1, int y1, int x2, int y2)
+{
+ #if BACKGROUND_IMAGE_PATCH
+ if (pseudotransparency)
+ XSetTSOrigin(xw.dpy, xw.bggc, -win.x, -win.y);
+ XFillRectangle(xw.dpy, xw.buf, xw.bggc, x1, y1, x2-x1, y2-y1);
+ #elif INVERT_PATCH
+ 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);
+ #else
+ XftDrawRect(xw.draw,
+ &dc.col[IS_SET(MODE_REVERSE)? defaultfg : defaultbg],
+ x1, y1, x2-x1, y2-y1);
+ #endif // INVERT_PATCH
+}
+
+void
+xclearwin(void)
+{
+ xclear(0, 0, win.w, win.h);
+}
+
+void
+xhints(void)
+{
+ #if XRESOURCES_PATCH
+ XClassHint class = {opt_name ? opt_name : "st",
+ opt_class ? opt_class : "St"};
+ #else
+ XClassHint class = {opt_name ? opt_name : termname,
+ opt_class ? opt_class : termname};
+ #endif // XRESOURCES_PATCH
+ XWMHints wm = {.flags = InputHint, .input = 1};
+ XSizeHints *sizeh;
+
+ sizeh = XAllocSizeHints();
+
+ sizeh->flags = PSize | PResizeInc | PBaseSize | PMinSize;
+ sizeh->height = win.h;
+ sizeh->width = win.w;
+ #if ANYSIZE_PATCH || ANYSIZE_SIMPLE_PATCH
+ sizeh->height_inc = 1;
+ sizeh->width_inc = 1;
+ #else
+ sizeh->height_inc = win.ch;
+ sizeh->width_inc = win.cw;
+ #endif // ANYSIZE_PATCH
+ sizeh->base_height = 2 * borderpx;
+ sizeh->base_width = 2 * borderpx;
+ sizeh->min_height = win.ch + 2 * borderpx;
+ sizeh->min_width = win.cw + 2 * borderpx;
+ if (xw.isfixed) {
+ sizeh->flags |= PMaxSize;
+ sizeh->min_width = sizeh->max_width = win.w;
+ sizeh->min_height = sizeh->max_height = win.h;
+ }
+ if (xw.gm & (XValue|YValue)) {
+ sizeh->flags |= USPosition | PWinGravity;
+ sizeh->x = xw.l;
+ sizeh->y = xw.t;
+ sizeh->win_gravity = xgeommasktogravity(xw.gm);
+ }
+
+ XSetWMProperties(xw.dpy, xw.win, NULL, NULL, NULL, 0, sizeh, &wm,
+ &class);
+ XFree(sizeh);
+}
+
+int
+xgeommasktogravity(int mask)
+{
+ switch (mask & (XNegative|YNegative)) {
+ case 0:
+ return NorthWestGravity;
+ case XNegative:
+ return NorthEastGravity;
+ case YNegative:
+ return SouthWestGravity;
+ }
+
+ return SouthEastGravity;
+}
+
+int
+ximopen(Display *dpy)
+{
+ XIMCallback imdestroy = { .client_data = NULL, .callback = ximdestroy };
+ XICCallback icdestroy = { .client_data = NULL, .callback = xicdestroy };
+
+ xw.ime.xim = XOpenIM(xw.dpy, NULL, NULL, NULL);
+ if (xw.ime.xim == NULL)
+ return 0;
+
+ if (XSetIMValues(xw.ime.xim, XNDestroyCallback, &imdestroy, NULL))
+ fprintf(stderr, "XSetIMValues: "
+ "Could not set XNDestroyCallback.\n");
+
+ xw.ime.spotlist = XVaCreateNestedList(0, XNSpotLocation, &xw.ime.spot,
+ NULL);
+
+ if (xw.ime.xic == NULL) {
+ xw.ime.xic = XCreateIC(xw.ime.xim, XNInputStyle,
+ XIMPreeditNothing | XIMStatusNothing,
+ XNClientWindow, xw.win,
+ XNDestroyCallback, &icdestroy,
+ NULL);
+ }
+ if (xw.ime.xic == NULL)
+ fprintf(stderr, "XCreateIC: Could not create input context.\n");
+
+ return 1;
+}
+
+void
+ximinstantiate(Display *dpy, XPointer client, XPointer call)
+{
+ if (ximopen(dpy))
+ XUnregisterIMInstantiateCallback(xw.dpy, NULL, NULL, NULL,
+ ximinstantiate, NULL);
+}
+
+void
+ximdestroy(XIM xim, XPointer client, XPointer call)
+{
+ xw.ime.xim = NULL;
+ XRegisterIMInstantiateCallback(xw.dpy, NULL, NULL, NULL,
+ ximinstantiate, NULL);
+ XFree(xw.ime.spotlist);
+}
+
+int
+xicdestroy(XIC xim, XPointer client, XPointer call)
+{
+ xw.ime.xic = NULL;
+ return 1;
+}
+
+int
+xloadfont(Font *f, FcPattern *pattern)
+{
+ FcPattern *configured;
+ FcPattern *match;
+ FcResult result;
+ XGlyphInfo extents;
+ int wantattr, haveattr;
+
+ /*
+ * Manually configure instead of calling XftMatchFont
+ * so that we can use the configured pattern for
+ * "missing glyph" lookups.
+ */
+ configured = FcPatternDuplicate(pattern);
+ if (!configured)
+ return 1;
+
+ FcConfigSubstitute(NULL, configured, FcMatchPattern);
+ XftDefaultSubstitute(xw.dpy, xw.scr, configured);
+
+ #if USE_XFTFONTMATCH_PATCH
+ match = XftFontMatch(xw.dpy, xw.scr, pattern, &result);
+ #else
+ match = FcFontMatch(NULL, configured, &result);
+ #endif // USE_XFTFONTMATCH_PATCH
+ if (!match) {
+ FcPatternDestroy(configured);
+ return 1;
+ }
+
+ if (!(f->match = XftFontOpenPattern(xw.dpy, match))) {
+ FcPatternDestroy(configured);
+ FcPatternDestroy(match);
+ return 1;
+ }
+
+ if ((XftPatternGetInteger(pattern, "slant", 0, &wantattr) ==
+ XftResultMatch)) {
+ /*
+ * Check if xft was unable to find a font with the appropriate
+ * slant but gave us one anyway. Try to mitigate.
+ */
+ if ((XftPatternGetInteger(f->match->pattern, "slant", 0,
+ &haveattr) != XftResultMatch) || haveattr < wantattr) {
+ f->badslant = 1;
+ fputs("font slant does not match\n", stderr);
+ }
+ }
+
+ if ((XftPatternGetInteger(pattern, "weight", 0, &wantattr) ==
+ XftResultMatch)) {
+ if ((XftPatternGetInteger(f->match->pattern, "weight", 0,
+ &haveattr) != XftResultMatch) || haveattr != wantattr) {
+ f->badweight = 1;
+ fputs("font weight does not match\n", stderr);
+ }
+ }
+
+ XftTextExtentsUtf8(xw.dpy, f->match,
+ (const FcChar8 *) ascii_printable,
+ strlen(ascii_printable), &extents);
+
+ f->set = NULL;
+ f->pattern = configured;
+
+ f->ascent = f->match->ascent;
+ f->descent = f->match->descent;
+ f->lbearing = 0;
+ f->rbearing = f->match->max_advance_width;
+
+ f->height = f->ascent + f->descent;
+ #if WIDE_GLYPH_SPACING_PATCH
+ f->width = DIVCEIL(extents.xOff > 18 ? extents.xOff / 3 : extents.xOff, strlen(ascii_printable));
+ #else
+ f->width = DIVCEIL(extents.xOff, strlen(ascii_printable));
+ #endif // WIDE_GLYPH_SPACING_PATCH
+
+ return 0;
+}
+
+void
+xloadfonts(const char *fontstr, double fontsize)
+{
+ FcPattern *pattern;
+ double fontval;
+
+ if (fontstr[0] == '-')
+ pattern = XftXlfdParse(fontstr, False, False);
+ else
+ pattern = FcNameParse((const FcChar8 *)fontstr);
+
+ if (!pattern)
+ die("can't open font %s\n", fontstr);
+
+ if (fontsize > 1) {
+ FcPatternDel(pattern, FC_PIXEL_SIZE);
+ FcPatternDel(pattern, FC_SIZE);
+ FcPatternAddDouble(pattern, FC_PIXEL_SIZE, (double)fontsize);
+ usedfontsize = fontsize;
+ } else {
+ if (FcPatternGetDouble(pattern, FC_PIXEL_SIZE, 0, &fontval) ==
+ FcResultMatch) {
+ usedfontsize = fontval;
+ } else if (FcPatternGetDouble(pattern, FC_SIZE, 0, &fontval) ==
+ FcResultMatch) {
+ usedfontsize = -1;
+ } else {
+ /*
+ * Default font size is 12, if none given. This is to
+ * have a known usedfontsize value.
+ */
+ FcPatternAddDouble(pattern, FC_PIXEL_SIZE, 12);
+ usedfontsize = 12;
+ }
+ defaultfontsize = usedfontsize;
+ }
+
+ if (xloadfont(&dc.font, pattern))
+ die("can't open font %s\n", fontstr);
+
+ if (usedfontsize < 0) {
+ FcPatternGetDouble(dc.font.match->pattern,
+ FC_PIXEL_SIZE, 0, &fontval);
+ usedfontsize = fontval;
+ if (fontsize == 0)
+ defaultfontsize = fontval;
+ }
+
+ /* Setting character width and height. */
+ win.cw = ceilf(dc.font.width * cwscale);
+ win.ch = ceilf(dc.font.height * chscale);
+ #if VERTCENTER_PATCH
+ win.cyo = ceilf(dc.font.height * (chscale - 1) / 2);
+ #endif // VERTCENTER_PATCH
+
+ #if RELATIVEBORDER_PATCH
+ borderpx = (int) ceilf(((float)borderperc / 100) * win.cw);
+ #endif // RELATIVEBORDER_PATCH
+ FcPatternDel(pattern, FC_SLANT);
+ #if !DISABLE_ITALIC_FONTS_PATCH
+ FcPatternAddInteger(pattern, FC_SLANT, FC_SLANT_ITALIC);
+ #endif // DISABLE_ITALIC_FONTS_PATCH
+ if (xloadfont(&dc.ifont, pattern))
+ die("can't open font %s\n", fontstr);
+
+ FcPatternDel(pattern, FC_WEIGHT);
+ #if !DISABLE_BOLD_FONTS_PATCH
+ FcPatternAddInteger(pattern, FC_WEIGHT, FC_WEIGHT_BOLD);
+ #endif // DISABLE_BOLD_FONTS_PATCH
+ if (xloadfont(&dc.ibfont, pattern))
+ die("can't open font %s\n", fontstr);
+
+ FcPatternDel(pattern, FC_SLANT);
+ #if !DISABLE_ROMAN_FONTS_PATCH
+ FcPatternAddInteger(pattern, FC_SLANT, FC_SLANT_ROMAN);
+ #endif // DISABLE_ROMAN_FONTS_PATCH
+ if (xloadfont(&dc.bfont, pattern))
+ die("can't open font %s\n", fontstr);
+
+ FcPatternDestroy(pattern);
+}
+
+void
+xunloadfont(Font *f)
+{
+ XftFontClose(xw.dpy, f->match);
+ FcPatternDestroy(f->pattern);
+ if (f->set)
+ FcFontSetDestroy(f->set);
+}
+
+void
+xunloadfonts(void)
+{
+ #if LIGATURES_PATCH
+ /* Clear Harfbuzz font cache. */
+ hbunloadfonts();
+ #endif // LIGATURES_PATCH
+
+ /* Free the loaded fonts in the font cache. */
+ while (frclen > 0)
+ XftFontClose(xw.dpy, frc[--frclen].font);
+
+ xunloadfont(&dc.font);
+ xunloadfont(&dc.bfont);
+ xunloadfont(&dc.ifont);
+ xunloadfont(&dc.ibfont);
+}
+
+void
+xinit(int cols, int rows)
+{
+ XGCValues gcvalues;
+ #if HIDECURSOR_PATCH
+ Pixmap blankpm;
+ #elif !SWAPMOUSE_PATCH
+ Cursor cursor;
+ #endif // HIDECURSOR_PATCH
+ Window parent;
+ pid_t thispid = getpid();
+ #if !SWAPMOUSE_PATCH
+ XColor xmousefg, xmousebg;
+ #endif // SWAPMOUSE_PATCH
+ #if ALPHA_PATCH
+ XWindowAttributes attr;
+ XVisualInfo vis;
+ #endif // ALPHA_PATCH
+
+ #if !XRESOURCES_PATCH
+ if (!(xw.dpy = XOpenDisplay(NULL)))
+ die("can't open display\n");
+ #endif // XRESOURCES_PATCH
+ xw.scr = XDefaultScreen(xw.dpy);
+
+ #if ALPHA_PATCH
+ if (!(opt_embed && (parent = strtol(opt_embed, NULL, 0)))) {
+ parent = XRootWindow(xw.dpy, xw.scr);
+ xw.depth = 32;
+ } else {
+ XGetWindowAttributes(xw.dpy, parent, &attr);
+ xw.depth = attr.depth;
+ }
+
+ XMatchVisualInfo(xw.dpy, xw.scr, xw.depth, TrueColor, &vis);
+ xw.vis = vis.visual;
+ #else
+ xw.vis = XDefaultVisual(xw.dpy, xw.scr);
+ #endif // ALPHA_PATCH
+
+ /* font */
+ if (!FcInit())
+ die("could not init fontconfig.\n");
+
+ usedfont = (opt_font == NULL)? font : opt_font;
+ xloadfonts(usedfont, 0);
+
+ #if FONT2_PATCH
+ /* spare fonts */
+ xloadsparefonts();
+ #endif // FONT2_PATCH
+
+ /* colors */
+ #if ALPHA_PATCH
+ xw.cmap = XCreateColormap(xw.dpy, parent, xw.vis, None);
+ #else
+ xw.cmap = XDefaultColormap(xw.dpy, xw.scr);
+ #endif // ALPHA_PATCH
+ xloadcols();
+
+ /* adjust fixed window geometry */
+ #if ANYSIZE_PATCH
+ win.w = 2 * win.hborderpx + cols * win.cw;
+ win.h = 2 * win.vborderpx + rows * win.ch;
+ #else
+ win.w = 2 * borderpx + cols * win.cw;
+ win.h = 2 * borderpx + rows * win.ch;
+ #endif // ANYSIZE_PATCH
+ if (xw.gm & XNegative)
+ xw.l += DisplayWidth(xw.dpy, xw.scr) - win.w - 2;
+ if (xw.gm & YNegative)
+ xw.t += DisplayHeight(xw.dpy, xw.scr) - win.h - 2;
+
+ /* Events */
+ xw.attrs.background_pixel = dc.col[defaultbg].pixel;
+ xw.attrs.border_pixel = dc.col[defaultbg].pixel;
+ xw.attrs.bit_gravity = NorthWestGravity;
+ xw.attrs.event_mask = FocusChangeMask | KeyPressMask | KeyReleaseMask
+ | ExposureMask | VisibilityChangeMask | StructureNotifyMask
+ | ButtonMotionMask | ButtonPressMask | ButtonReleaseMask
+ #if ST_EMBEDDER_PATCH
+ | SubstructureNotifyMask | SubstructureRedirectMask
+ #endif // ST_EMBEDDER_PATCH
+ ;
+ xw.attrs.colormap = xw.cmap;
+ #if OPENURLONCLICK_PATCH
+ xw.attrs.event_mask |= PointerMotionMask;
+ #endif // OPENURLONCLICK_PATCH
+
+ #if !ALPHA_PATCH
+ if (!(opt_embed && (parent = strtol(opt_embed, NULL, 0))))
+ parent = XRootWindow(xw.dpy, xw.scr);
+ #endif // ALPHA_PATCH
+ xw.win = XCreateWindow(xw.dpy, parent, xw.l, xw.t,
+ #if ALPHA_PATCH
+ win.w, win.h, 0, xw.depth, InputOutput,
+ #else
+ win.w, win.h, 0, XDefaultDepth(xw.dpy, xw.scr), InputOutput,
+ #endif // ALPHA_PATCH
+ xw.vis, CWBackPixel | CWBorderPixel | CWBitGravity
+ | CWEventMask | CWColormap, &xw.attrs);
+
+ memset(&gcvalues, 0, sizeof(gcvalues));
+ gcvalues.graphics_exposures = False;
+
+ #if ALPHA_PATCH
+ #if SINGLE_DRAWABLE_BUFFER_PATCH
+ xw.buf = xw.win;
+ #else
+ xw.buf = XCreatePixmap(xw.dpy, xw.win, win.w, win.h, xw.depth);
+ #endif // SINGLE_DRAWABLE_BUFFER_PATCH
+ dc.gc = XCreateGC(xw.dpy, xw.buf, GCGraphicsExposures, &gcvalues);
+ #else
+ dc.gc = XCreateGC(xw.dpy, parent, GCGraphicsExposures,
+ &gcvalues);
+ #if SINGLE_DRAWABLE_BUFFER_PATCH
+ xw.buf = xw.win;
+ #else
+ xw.buf = XCreatePixmap(xw.dpy, xw.win, win.w, win.h,
+ DefaultDepth(xw.dpy, xw.scr));
+ #endif // SINGLE_DRAWABLE_BUFFER_PATCH
+ #endif // ALPHA_PATCH
+ XSetForeground(xw.dpy, dc.gc, dc.col[defaultbg].pixel);
+ XFillRectangle(xw.dpy, xw.buf, dc.gc, 0, 0, win.w, win.h);
+
+ /* font spec buffer */
+ xw.specbuf = xmalloc(cols * sizeof(GlyphFontSpec));
+
+ /* Xft rendering context */
+ xw.draw = XftDrawCreate(xw.dpy, xw.buf, xw.vis, xw.cmap);
+
+ /* input methods */
+ if (!ximopen(xw.dpy)) {
+ XRegisterIMInstantiateCallback(xw.dpy, NULL, NULL, NULL,
+ ximinstantiate, NULL);
+ }
+
+ /* white cursor, black outline */
+ #if HIDECURSOR_PATCH
+ xw.pointerisvisible = 1;
+ #if THEMED_CURSOR_PATCH
+ xw.vpointer = XcursorLibraryLoadCursor(xw.dpy, mouseshape);
+ #else
+ xw.vpointer = XCreateFontCursor(xw.dpy, mouseshape);
+ #endif // THEMED_CURSOR_PATCH
+ XDefineCursor(xw.dpy, xw.win, xw.vpointer);
+ #elif THEMED_CURSOR_PATCH
+ cursor = XcursorLibraryLoadCursor(xw.dpy, mouseshape);
+ XDefineCursor(xw.dpy, xw.win, cursor);
+ #else
+ cursor = XCreateFontCursor(xw.dpy, mouseshape);
+ XDefineCursor(xw.dpy, xw.win, cursor);
+ #endif // HIDECURSOR_PATCH
+
+ #if !THEMED_CURSOR_PATCH
+ if (XParseColor(xw.dpy, xw.cmap, colorname[mousefg], &xmousefg) == 0) {
+ xmousefg.red = 0xffff;
+ xmousefg.green = 0xffff;
+ xmousefg.blue = 0xffff;
+ }
+
+ if (XParseColor(xw.dpy, xw.cmap, colorname[mousebg], &xmousebg) == 0) {
+ xmousebg.red = 0x0000;
+ xmousebg.green = 0x0000;
+ xmousebg.blue = 0x0000;
+ }
+ #endif // THEMED_CURSOR_PATCH
+
+ #if HIDECURSOR_PATCH
+ #if !THEMED_CURSOR_PATCH
+ XRecolorCursor(xw.dpy, xw.vpointer, &xmousefg, &xmousebg);
+ #endif // THEMED_CURSOR_PATCH
+ blankpm = XCreateBitmapFromData(xw.dpy, xw.win, &(char){0}, 1, 1);
+ xw.bpointer = XCreatePixmapCursor(xw.dpy, blankpm, blankpm,
+ &xmousefg, &xmousebg, 0, 0);
+ #elif !THEMED_CURSOR_PATCH
+ XRecolorCursor(xw.dpy, cursor, &xmousefg, &xmousebg);
+ #endif // HIDECURSOR_PATCH
+
+ #if OPENURLONCLICK_PATCH
+ xw.upointer = XCreateFontCursor(xw.dpy, XC_hand2);
+ #if !HIDECURSOR_PATCH
+ xw.vpointer = cursor;
+ xw.pointerisvisible = 1;
+ #endif // HIDECURSOR_PATCH
+ #endif // OPENURLONCLICK_PATCH
+
+ xw.xembed = XInternAtom(xw.dpy, "_XEMBED", False);
+ xw.wmdeletewin = XInternAtom(xw.dpy, "WM_DELETE_WINDOW", False);
+ xw.netwmname = XInternAtom(xw.dpy, "_NET_WM_NAME", False);
+ xw.netwmiconname = XInternAtom(xw.dpy, "_NET_WM_ICON_NAME", False);
+ XSetWMProtocols(xw.dpy, xw.win, &xw.wmdeletewin, 1);
+
+ #if NETWMICON_PATCH
+ xw.netwmicon = XInternAtom(xw.dpy, "_NET_WM_ICON", False);
+ XChangeProperty(xw.dpy, xw.win, xw.netwmicon, XA_CARDINAL, 32,
+ PropModeReplace, (uchar *)&icon, LEN(icon));
+ #endif //NETWMICON_PATCH
+
+ #if NO_WINDOW_DECORATIONS_PATCH
+ Atom motifwmhints = XInternAtom(xw.dpy, "_MOTIF_WM_HINTS", False);
+ unsigned int data[] = { 0x2, 0x0, 0x0, 0x0, 0x0 };
+ XChangeProperty(xw.dpy, xw.win, motifwmhints, motifwmhints, 16,
+ PropModeReplace, (unsigned char *)data, 5);
+ #endif // NO_WINDOW_DECORATIONS_PATCH
+
+ xw.netwmpid = XInternAtom(xw.dpy, "_NET_WM_PID", False);
+ XChangeProperty(xw.dpy, xw.win, xw.netwmpid, XA_CARDINAL, 32,
+ PropModeReplace, (uchar *)&thispid, 1);
+
+ #if FULLSCREEN_PATCH
+ xw.netwmstate = XInternAtom(xw.dpy, "_NET_WM_STATE", False);
+ xw.netwmfullscreen = XInternAtom(xw.dpy, "_NET_WM_STATE_FULLSCREEN", False);
+ #endif // FULLSCREEN_PATCH
+
+ win.mode = MODE_NUMLOCK;
+ resettitle();
+ xhints();
+ XMapWindow(xw.dpy, xw.win);
+ XSync(xw.dpy, False);
+
+ clock_gettime(CLOCK_MONOTONIC, &xsel.tclick1);
+ clock_gettime(CLOCK_MONOTONIC, &xsel.tclick2);
+ xsel.primary = NULL;
+ xsel.clipboard = NULL;
+ xsel.xtarget = XInternAtom(xw.dpy, "UTF8_STRING", 0);
+ if (xsel.xtarget == None)
+ xsel.xtarget = XA_STRING;
+
+ #if BOXDRAW_PATCH
+ boxdraw_xinit(xw.dpy, xw.cmap, xw.draw, xw.vis);
+ #endif // BOXDRAW_PATCH
+}
+
+#if LIGATURES_PATCH
+void
+xresetfontsettings(ushort mode, Font **font, int *frcflags)
+{
+ *font = &dc.font;
+ if ((mode & ATTR_ITALIC) && (mode & ATTR_BOLD)) {
+ *font = &dc.ibfont;
+ *frcflags = FRC_ITALICBOLD;
+ } else if (mode & ATTR_ITALIC) {
+ *font = &dc.ifont;
+ *frcflags = FRC_ITALIC;
+ } else if (mode & ATTR_BOLD) {
+ *font = &dc.bfont;
+ *frcflags = FRC_BOLD;
+ }
+}
+#endif // LIGATURES_PATCH
+
+int
+xmakeglyphfontspecs(XftGlyphFontSpec *specs, const Glyph *glyphs, int len, int x, int y)
+{
+ #if ANYSIZE_PATCH
+ float winx = win.hborderpx + x * win.cw, winy = win.vborderpx + y * win.ch, xp, yp;
+ #else
+ float winx = borderpx + x * win.cw, winy = borderpx + y * win.ch, xp, yp;
+ #endif // ANYSIZE_PATCH
+ ushort mode, prevmode = USHRT_MAX;
+ Font *font = &dc.font;
+ int frcflags = FRC_NORMAL;
+ float runewidth = win.cw;
+ Rune rune;
+ FT_UInt glyphidx;
+ FcResult fcres;
+ FcPattern *fcpattern, *fontpattern;
+ FcFontSet *fcsets[] = { NULL };
+ FcCharSet *fccharset;
+ int i, f, numspecs = 0;
+ #if LIGATURES_PATCH
+ int length = 0, start = 0;
+ HbTransformData shaped = { 0 };
+
+ /* Initial values. */
+ mode = prevmode = glyphs[0].mode & ~ATTR_WRAP;
+ xresetfontsettings(mode, &font, &frcflags);
+ #endif // LIGATURES_PATCH
+
+ #if VERTCENTER_PATCH
+ for (i = 0, xp = winx, yp = winy + font->ascent + win.cyo; i < len; ++i)
+ #else
+ for (i = 0, xp = winx, yp = winy + font->ascent; i < len; ++i)
+ #endif // VERTCENTER_PATCH
+ {
+ /* Fetch rune and mode for current glyph. */
+ #if VIM_BROWSE_PATCH
+ Glyph g = glyphs[i];
+ historyOverlay(x+i, y, &g);
+ rune = g.u;
+ mode = g.mode;
+ #elif LIGATURES_PATCH
+ mode = glyphs[i].mode & ~ATTR_WRAP;
+ #else
+ rune = glyphs[i].u;
+ mode = glyphs[i].mode;
+ #endif // VIM_BROWSE_PATCH | LIGATURES_PATCH
+
+ /* Skip dummy wide-character spacing. */
+ #if LIGATURES_PATCH
+ if (mode & ATTR_WDUMMY)
+ continue;
+
+ if (
+ prevmode != mode
+ || ATTRCMP(glyphs[start], glyphs[i])
+ || selected(x + i, y) != selected(x + start, y)
+ || i == (len - 1)
+ ) {
+ /* Handle 1-character wide segments and end of line */
+ length = i - start;
+ if (i == start) {
+ length = 1;
+ } else if (i == (len - 1)) {
+ length = (i - start + 1);
+ }
+
+ /* Shape the segment. */
+ hbtransform(&shaped, font->match, glyphs, start, length);
+ for (int code_idx = 0; code_idx < shaped.count; code_idx++) {
+ rune = glyphs[start + code_idx].u;
+ runewidth = win.cw * ((glyphs[start + code_idx].mode & ATTR_WIDE) ? 2.0f : 1.0f);
+
+ if (glyphs[start + code_idx].mode & ATTR_WDUMMY)
+ continue;
+
+ #if BOXDRAW_PATCH
+ if (glyphs[start + code_idx].mode & ATTR_BOXDRAW) {
+ /* minor shoehorning: boxdraw uses only this ushort */
+ specs[numspecs].font = font->match;
+ specs[numspecs].glyph = boxdrawindex(&glyphs[start + code_idx]);
+ specs[numspecs].x = xp;
+ specs[numspecs].y = yp;
+ xp += runewidth;
+ numspecs++;
+ } else
+ #endif // BOXDRAW_PATCH
+ if (shaped.glyphs[code_idx].codepoint != 0) {
+ /* If symbol is found, put it into the specs. */
+ specs[numspecs].font = font->match;
+ specs[numspecs].glyph = shaped.glyphs[code_idx].codepoint;
+ specs[numspecs].x = xp + (short)shaped.positions[code_idx].x_offset;
+ specs[numspecs].y = yp + (short)shaped.positions[code_idx].y_offset;
+ xp += runewidth;
+ numspecs++;
+ } else {
+ /* If it's not found, try to fetch it through the font cache. */
+ for (f = 0; f < frclen; f++) {
+ glyphidx = XftCharIndex(xw.dpy, frc[f].font, rune);
+ /* Everything correct. */
+ if (glyphidx && frc[f].flags == frcflags)
+ break;
+ /* We got a default font for a not found glyph. */
+ if (!glyphidx && frc[f].flags == frcflags
+ && frc[f].unicodep == rune) {
+ break;
+ }
+ }
+
+ /* Nothing was found. Use fontconfig to find matching font. */
+ if (f >= frclen) {
+ if (!font->set)
+ font->set = FcFontSort(0, font->pattern, 1, 0, &fcres);
+ fcsets[0] = font->set;
+
+ /*
+ * Nothing was found in the cache. Now use
+ * some dozen of Fontconfig calls to get the
+ * font for one single character.
+ *
+ * Xft and fontconfig are design failures.
+ */
+ fcpattern = FcPatternDuplicate(font->pattern);
+ fccharset = FcCharSetCreate();
+
+ FcCharSetAddChar(fccharset, rune);
+ FcPatternAddCharSet(fcpattern, FC_CHARSET, fccharset);
+ FcPatternAddBool(fcpattern, FC_SCALABLE, 1);
+
+ FcConfigSubstitute(0, fcpattern, FcMatchPattern);
+ FcDefaultSubstitute(fcpattern);
+
+ fontpattern = FcFontSetMatch(0, fcsets, 1, fcpattern, &fcres);
+
+ /* Allocate memory for the new cache entry. */
+ if (frclen >= frccap) {
+ frccap += 16;
+ frc = xrealloc(frc, frccap * sizeof(Fontcache));
+ }
+
+ frc[frclen].font = XftFontOpenPattern(xw.dpy, fontpattern);
+ if (!frc[frclen].font)
+ die("XftFontOpenPattern failed seeking fallback font: %s\n",
+ strerror(errno));
+ frc[frclen].flags = frcflags;
+ frc[frclen].unicodep = rune;
+
+ glyphidx = XftCharIndex(xw.dpy, frc[frclen].font, rune);
+
+ f = frclen;
+ frclen++;
+
+ FcPatternDestroy(fcpattern);
+ FcCharSetDestroy(fccharset);
+ }
+
+ specs[numspecs].font = frc[f].font;
+ specs[numspecs].glyph = glyphidx;
+ specs[numspecs].x = (short)xp;
+ specs[numspecs].y = (short)yp;
+ xp += runewidth;
+ numspecs++;
+ }
+ }
+
+ /* Cleanup and get ready for next segment. */
+ hbcleanup(&shaped);
+ start = i;
+
+ /* Determine font for glyph if different from previous glyph. */
+ if (prevmode != mode) {
+ prevmode = mode;
+ xresetfontsettings(mode, &font, &frcflags);
+ yp = winy + font->ascent;
+ }
+ }
+ #else // !LIGATURES_PATCH
+ if (mode == ATTR_WDUMMY)
+ continue;
+
+ /* Determine font for glyph if different from previous glyph. */
+ if (prevmode != mode) {
+ prevmode = mode;
+ font = &dc.font;
+ frcflags = FRC_NORMAL;
+ runewidth = win.cw * ((mode & ATTR_WIDE) ? 2.0f : 1.0f);
+ if ((mode & ATTR_ITALIC) && (mode & ATTR_BOLD)) {
+ font = &dc.ibfont;
+ frcflags = FRC_ITALICBOLD;
+ } else if (mode & ATTR_ITALIC) {
+ font = &dc.ifont;
+ frcflags = FRC_ITALIC;
+ } else if (mode & ATTR_BOLD) {
+ font = &dc.bfont;
+ frcflags = FRC_BOLD;
+ }
+ #if VERTCENTER_PATCH
+ yp = winy + font->ascent + win.cyo;
+ #else
+ yp = winy + font->ascent;
+ #endif // VERTCENTER_PATCH
+ }
+
+ #if BOXDRAW_PATCH
+ if (mode & ATTR_BOXDRAW) {
+ /* minor shoehorning: boxdraw uses only this ushort */
+ glyphidx = boxdrawindex(&glyphs[i]);
+ } else {
+ /* Lookup character index with default font. */
+ glyphidx = XftCharIndex(xw.dpy, font->match, rune);
+ }
+ #else
+ /* Lookup character index with default font. */
+ glyphidx = XftCharIndex(xw.dpy, font->match, rune);
+ #endif // BOXDRAW_PATCH
+ if (glyphidx) {
+ specs[numspecs].font = font->match;
+ specs[numspecs].glyph = glyphidx;
+ specs[numspecs].x = (short)xp;
+ specs[numspecs].y = (short)yp;
+ xp += runewidth;
+ numspecs++;
+ continue;
+ }
+
+ /* Fallback on font cache, search the font cache for match. */
+ for (f = 0; f < frclen; f++) {
+ glyphidx = XftCharIndex(xw.dpy, frc[f].font, rune);
+ /* Everything correct. */
+ if (glyphidx && frc[f].flags == frcflags)
+ break;
+ /* We got a default font for a not found glyph. */
+ if (!glyphidx && frc[f].flags == frcflags
+ && frc[f].unicodep == rune) {
+ break;
+ }
+ }
+
+ /* Nothing was found. Use fontconfig to find matching font. */
+ if (f >= frclen) {
+ if (!font->set)
+ font->set = FcFontSort(0, font->pattern, 1, 0, &fcres);
+ fcsets[0] = font->set;
+
+ /*
+ * Nothing was found in the cache. Now use
+ * some dozen of Fontconfig calls to get the
+ * font for one single character.
+ *
+ * Xft and fontconfig are design failures.
+ */
+ fcpattern = FcPatternDuplicate(font->pattern);
+ fccharset = FcCharSetCreate();
+
+ FcCharSetAddChar(fccharset, rune);
+ FcPatternAddCharSet(fcpattern, FC_CHARSET, fccharset);
+ FcPatternAddBool(fcpattern, FC_SCALABLE, 1);
+
+ #if !USE_XFTFONTMATCH_PATCH
+ FcConfigSubstitute(0, fcpattern, FcMatchPattern);
+ FcDefaultSubstitute(fcpattern);
+ #endif // USE_XFTFONTMATCH_PATCH
+
+ fontpattern = FcFontSetMatch(0, fcsets, 1, fcpattern, &fcres);
+
+ /* Allocate memory for the new cache entry. */
+ if (frclen >= frccap) {
+ frccap += 16;
+ frc = xrealloc(frc, frccap * sizeof(Fontcache));
+ }
+
+ frc[frclen].font = XftFontOpenPattern(xw.dpy, fontpattern);
+ if (!frc[frclen].font)
+ die("XftFontOpenPattern failed seeking fallback font: %s\n",
+ strerror(errno));
+ frc[frclen].flags = frcflags;
+ frc[frclen].unicodep = rune;
+
+ glyphidx = XftCharIndex(xw.dpy, frc[frclen].font, rune);
+
+ f = frclen;
+ frclen++;
+
+ FcPatternDestroy(fcpattern);
+ FcCharSetDestroy(fccharset);
+ }
+
+ specs[numspecs].font = frc[f].font;
+ specs[numspecs].glyph = glyphidx;
+ specs[numspecs].x = (short)xp;
+ specs[numspecs].y = (short)yp;
+ xp += runewidth;
+ numspecs++;
+ #endif // LIGATURES_PATCH
+ }
+
+ return numspecs;
+}
+
+#if UNDERCURL_PATCH
+static int isSlopeRising (int x, int iPoint, int waveWidth)
+{
+ // . . . .
+ // / \ / \ / \ / \
+ // / \ / \ / \ / \
+ // . . . . .
+
+ // Find absolute `x` of point
+ x += iPoint * (waveWidth/2);
+
+ // Find index of absolute wave
+ int absSlope = x / ((float)waveWidth/2);
+
+ return (absSlope % 2);
+}
+
+static int getSlope (int x, int iPoint, int waveWidth)
+{
+ // Sizes: Caps are half width of slopes
+ // 1_2 1_2 1_2 1_2
+ // / \ / \ / \ / \
+ // / \ / \ / \ / \
+ // 0 3_0 3_0 3_0 3_
+ // <2-> <1> <---6---->
+
+ // Find type of first point
+ int firstType;
+ x -= (x / waveWidth) * waveWidth;
+ if (x < (waveWidth * (2.f/6.f)))
+ firstType = UNDERCURL_SLOPE_ASCENDING;
+ else if (x < (waveWidth * (3.f/6.f)))
+ firstType = UNDERCURL_SLOPE_TOP_CAP;
+ else if (x < (waveWidth * (5.f/6.f)))
+ firstType = UNDERCURL_SLOPE_DESCENDING;
+ else
+ firstType = UNDERCURL_SLOPE_BOTTOM_CAP;
+
+ // Find type of given point
+ int pointType = (iPoint % 4);
+ pointType += firstType;
+ pointType %= 4;
+
+ return pointType;
+}
+#endif // UNDERCURL_PATCH
+
+void
+#if WIDE_GLYPHS_PATCH
+xdrawglyphfontspecs(const XftGlyphFontSpec *specs, Glyph base, int len, int x, int y, int dmode)
+#else
+xdrawglyphfontspecs(const XftGlyphFontSpec *specs, Glyph base, int len, int x, int y)
+#endif // WIDE_GLYPHS_PATCH
+{
+ int charlen = len * ((base.mode & ATTR_WIDE) ? 2 : 1);
+ #if ANYSIZE_PATCH
+ int winx = win.hborderpx + x * win.cw, winy = win.vborderpx + y * win.ch;
+ #else
+ int winx = borderpx + x * win.cw, winy = borderpx + y * win.ch;
+ #endif // ANYSIZE_PATCH
+ int width = charlen * win.cw;
+ Color *fg, *bg, *temp, revfg, revbg, truefg, truebg;
+ XRenderColor colfg, colbg;
+ XRectangle r;
+
+ /* Fallback on color display for attributes not supported by the font */
+ if (base.mode & ATTR_ITALIC && base.mode & ATTR_BOLD) {
+ if (dc.ibfont.badslant || dc.ibfont.badweight)
+ base.fg = defaultattr;
+ } else if ((base.mode & ATTR_ITALIC && dc.ifont.badslant) ||
+ (base.mode & ATTR_BOLD && dc.bfont.badweight)) {
+ base.fg = defaultattr;
+ }
+
+ if (IS_TRUECOL(base.fg)) {
+ colfg.alpha = 0xffff;
+ colfg.red = TRUERED(base.fg);
+ colfg.green = TRUEGREEN(base.fg);
+ colfg.blue = TRUEBLUE(base.fg);
+ XftColorAllocValue(xw.dpy, xw.vis, xw.cmap, &colfg, &truefg);
+ fg = &truefg;
+ } else {
+ fg = &dc.col[base.fg];
+ }
+
+ if (IS_TRUECOL(base.bg)) {
+ colbg.alpha = 0xffff;
+ colbg.green = TRUEGREEN(base.bg);
+ colbg.red = TRUERED(base.bg);
+ colbg.blue = TRUEBLUE(base.bg);
+ XftColorAllocValue(xw.dpy, xw.vis, xw.cmap, &colbg, &truebg);
+ bg = &truebg;
+ } else {
+ bg = &dc.col[base.bg];
+ }
+
+ #if !BOLD_IS_NOT_BRIGHT_PATCH
+ /* Change basic system colors [0-7] to bright system colors [8-15] */
+ if ((base.mode & ATTR_BOLD_FAINT) == ATTR_BOLD && BETWEEN(base.fg, 0, 7))
+ fg = &dc.col[base.fg + 8];
+ #endif // BOLD_IS_NOT_BRIGHT_PATCH
+
+ if (IS_SET(MODE_REVERSE)) {
+ if (fg == &dc.col[defaultfg]) {
+ fg = &dc.col[defaultbg];
+ } else {
+ colfg.red = ~fg->color.red;
+ colfg.green = ~fg->color.green;
+ colfg.blue = ~fg->color.blue;
+ colfg.alpha = fg->color.alpha;
+ XftColorAllocValue(xw.dpy, xw.vis, xw.cmap, &colfg,
+ &revfg);
+ fg = &revfg;
+ }
+
+ if (bg == &dc.col[defaultbg]) {
+ bg = &dc.col[defaultfg];
+ } else {
+ colbg.red = ~bg->color.red;
+ colbg.green = ~bg->color.green;
+ colbg.blue = ~bg->color.blue;
+ colbg.alpha = bg->color.alpha;
+ XftColorAllocValue(xw.dpy, xw.vis, xw.cmap, &colbg,
+ &revbg);
+ bg = &revbg;
+ }
+ }
+
+ if ((base.mode & ATTR_BOLD_FAINT) == ATTR_FAINT) {
+ colfg.red = fg->color.red / 2;
+ colfg.green = fg->color.green / 2;
+ colfg.blue = fg->color.blue / 2;
+ colfg.alpha = fg->color.alpha;
+ XftColorAllocValue(xw.dpy, xw.vis, xw.cmap, &colfg, &revfg);
+ fg = &revfg;
+ }
+
+ if (base.mode & ATTR_REVERSE) {
+ #if SPOILER_PATCH
+ if (bg == fg) {
+ bg = &dc.col[defaultfg];
+ fg = &dc.col[defaultbg];
+ } else {
+ temp = fg;
+ fg = bg;
+ bg = temp;
+ }
+ #else
+ temp = fg;
+ fg = bg;
+ bg = temp;
+ #endif // SPOILER_PATCH
+ }
+
+ if (base.mode & ATTR_BLINK && win.mode & MODE_BLINK)
+ fg = bg;
+
+ if (base.mode & ATTR_INVISIBLE)
+ fg = bg;
+
+ #if INVERT_PATCH
+ if (invertcolors) {
+ revfg = invertedcolor(fg);
+ revbg = invertedcolor(bg);
+ fg = &revfg;
+ bg = &revbg;
+ }
+ #endif // INVERT_PATCH
+
+ #if ALPHA_PATCH && ALPHA_GRADIENT_PATCH
+ // gradient
+ bg->color.alpha = grad_alpha * 0xffff * (win.h - y*win.ch) / win.h + stat_alpha * 0xffff;
+ // uncomment to invert the gradient
+ // bg->color.alpha = grad_alpha * 0xffff * (y*win.ch) / win.h + stat_alpha * 0xffff;
+ #endif // ALPHA_PATCH | ALPHA_GRADIENT_PATCH
+
+ #if WIDE_GLYPHS_PATCH
+ if (dmode & DRAW_BG) {
+ #endif // WIDE_GLYPHS_PATCH
+ /* Intelligent cleaning up of the borders. */
+ #if ANYSIZE_PATCH
+ if (x == 0) {
+ xclear(0, (y == 0)? 0 : winy, win.hborderpx,
+ winy + win.ch +
+ ((winy + win.ch >= win.vborderpx + win.th)? win.h : 0));
+ }
+ if (winx + width >= win.hborderpx + win.tw) {
+ xclear(winx + width, (y == 0)? 0 : winy, win.w,
+ ((winy + win.ch >= win.vborderpx + win.th)? win.h : (winy + win.ch)));
+ }
+ if (y == 0)
+ xclear(winx, 0, winx + width, win.vborderpx);
+ if (winy + win.ch >= win.vborderpx + win.th)
+ xclear(winx, winy + win.ch, winx + width, win.h);
+ #else
+ if (x == 0) {
+ xclear(0, (y == 0)? 0 : winy, borderpx,
+ winy + win.ch +
+ ((winy + win.ch >= borderpx + win.th)? win.h : 0));
+ }
+ if (winx + width >= borderpx + win.tw) {
+ xclear(winx + width, (y == 0)? 0 : winy, win.w,
+ ((winy + win.ch >= borderpx + win.th)? win.h : (winy + win.ch)));
+ }
+ if (y == 0)
+ xclear(winx, 0, winx + width, borderpx);
+ if (winy + win.ch >= borderpx + win.th)
+ xclear(winx, winy + win.ch, winx + width, win.h);
+ #endif // ANYSIZE_PATCH
+
+ /* Clean up the region we want to draw to. */
+ #if BACKGROUND_IMAGE_PATCH
+ if (bg == &dc.col[defaultbg])
+ xclear(winx, winy, winx + width, winy + win.ch);
+ else
+ #endif // BACKGROUND_IMAGE_PATCH
+
+ #if !WIDE_GLYPHS_PATCH
+ XftDrawRect(xw.draw, bg, winx, winy, width, win.ch);
+ #endif // WIDE_GLYPHS_PATCH
+
+ /* Set the clip region because Xft is sometimes dirty. */
+ r.x = 0;
+ r.y = 0;
+ r.height = win.ch;
+ r.width = width;
+ XftDrawSetClipRectangles(xw.draw, winx, winy, &r, 1);
+
+ #if WIDE_GLYPHS_PATCH
+ /* Fill the background */
+ XftDrawRect(xw.draw, bg, winx, winy, width, win.ch);
+ }
+ #endif // WIDE_GLYPHS_PATCH
+
+ #if WIDE_GLYPHS_PATCH
+ if (dmode & DRAW_FG) {
+ #endif // WIDE_GLYPHS_PATCH
+ #if BOXDRAW_PATCH
+ if (base.mode & ATTR_BOXDRAW) {
+ drawboxes(winx, winy, width / len, win.ch, fg, bg, specs, len);
+ } else {
+ /* Render the glyphs. */
+ XftDrawGlyphFontSpec(xw.draw, fg, specs, len);
+ }
+ #else
+ /* Render the glyphs. */
+ XftDrawGlyphFontSpec(xw.draw, fg, specs, len);
+ #endif // BOXDRAW_PATCH
+
+ /* Render underline and strikethrough. */
+ if (base.mode & ATTR_UNDERLINE) {
+ #if UNDERCURL_PATCH
+ // Underline Color
+ const int widthThreshold = 28; // +1 width every widthThreshold px of font
+ int wlw = (win.ch / widthThreshold) + 1; // Wave Line Width
+ int linecolor;
+ if ((base.ucolor[0] >= 0) &&
+ !(base.mode & ATTR_BLINK && win.mode & MODE_BLINK) &&
+ !(base.mode & ATTR_INVISIBLE)
+ ) {
+ // Special color for underline
+ // Index
+ if (base.ucolor[1] < 0) {
+ linecolor = dc.col[base.ucolor[0]].pixel;
+ }
+ // RGB
+ else {
+ XColor lcolor;
+ lcolor.red = base.ucolor[0] * 257;
+ lcolor.green = base.ucolor[1] * 257;
+ lcolor.blue = base.ucolor[2] * 257;
+ lcolor.flags = DoRed | DoGreen | DoBlue;
+ XAllocColor(xw.dpy, xw.cmap, &lcolor);
+ linecolor = lcolor.pixel;
+ }
+ } else {
+ // Foreground color for underline
+ linecolor = fg->pixel;
+ }
+
+ XGCValues ugcv = {
+ .foreground = linecolor,
+ .line_width = wlw,
+ .line_style = LineSolid,
+ .cap_style = CapNotLast
+ };
+
+ GC ugc = XCreateGC(xw.dpy, XftDrawDrawable(xw.draw),
+ GCForeground | GCLineWidth | GCLineStyle | GCCapStyle,
+ &ugcv);
+
+ // Underline Style
+ if (base.ustyle != 3) {
+ XFillRectangle(xw.dpy, XftDrawDrawable(xw.draw), ugc, winx,
+ winy + dc.font.ascent * chscale + 1, width, wlw);
+ } else if (base.ustyle == 3) {
+ int ww = win.cw;//width;
+ int wh = dc.font.descent - wlw/2 - 1;//r.height/7;
+ int wx = winx;
+ int wy = winy + win.ch - dc.font.descent;
+ #if VERTCENTER_PATCH
+ wy -= win.cyo;
+ #endif // VERTCENTER_PATCH
+
+#if UNDERCURL_STYLE == UNDERCURL_CURLY
+ // Draw waves
+ int narcs = charlen * 2 + 1;
+ XArc *arcs = xmalloc(sizeof(XArc) * narcs);
+
+ int i = 0;
+ for (i = 0; i < charlen-1; i++) {
+ arcs[i*2] = (XArc) {
+ .x = wx + win.cw * i + ww / 4,
+ .y = wy,
+ .width = win.cw / 2,
+ .height = wh,
+ .angle1 = 0,
+ .angle2 = 180 * 64
+ };
+ arcs[i*2+1] = (XArc) {
+ .x = wx + win.cw * i + ww * 0.75,
+ .y = wy,
+ .width = win.cw/2,
+ .height = wh,
+ .angle1 = 180 * 64,
+ .angle2 = 180 * 64
+ };
+ }
+ // Last wave
+ arcs[i*2] = (XArc) {wx + ww * i + ww / 4, wy, ww / 2, wh,
+ 0, 180 * 64 };
+ // Last wave tail
+ arcs[i*2+1] = (XArc) {wx + ww * i + ww * 0.75, wy, ceil(ww / 2.),
+ wh, 180 * 64, 90 * 64};
+ // First wave tail
+ i++;
+ arcs[i*2] = (XArc) {wx - ww/4 - 1, wy, ceil(ww / 2.), wh, 270 * 64,
+ 90 * 64 };
+
+ XDrawArcs(xw.dpy, XftDrawDrawable(xw.draw), ugc, arcs, narcs);
+
+ free(arcs);
+#elif UNDERCURL_STYLE == UNDERCURL_SPIKY
+ // Make the underline corridor larger
+ /*
+ wy -= wh;
+ */
+ wh *= 2;
+
+ // Set the angle of the slope to 45°
+ ww = wh;
+
+ // Position of wave is independent of word, it's absolute
+ wx = (wx / (ww/2)) * (ww/2);
+
+ int marginStart = winx - wx;
+
+ // Calculate number of points with floating precision
+ float n = width; // Width of word in pixels
+ n = (n / ww) * 2; // Number of slopes (/ or \)
+ n += 2; // Add two last points
+ int npoints = n; // Convert to int
+
+ // Total length of underline
+ float waveLength = 0;
+
+ if (npoints >= 3) {
+ // We add an aditional slot in case we use a bonus point
+ XPoint *points = xmalloc(sizeof(XPoint) * (npoints + 1));
+
+ // First point (Starts with the word bounds)
+ points[0] = (XPoint) {
+ .x = wx + marginStart,
+ .y = (isSlopeRising(wx, 0, ww))
+ ? (wy - marginStart + ww/2.f)
+ : (wy + marginStart)
+ };
+
+ // Second point (Goes back to the absolute point coordinates)
+ points[1] = (XPoint) {
+ .x = (ww/2.f) - marginStart,
+ .y = (isSlopeRising(wx, 1, ww))
+ ? (ww/2.f - marginStart)
+ : (-ww/2.f + marginStart)
+ };
+ waveLength += (ww/2.f) - marginStart;
+
+ // The rest of the points
+ for (int i = 2; i < npoints-1; i++) {
+ points[i] = (XPoint) {
+ .x = ww/2,
+ .y = (isSlopeRising(wx, i, ww))
+ ? wh/2
+ : -wh/2
+ };
+ waveLength += ww/2;
+ }
+
+ // Last point
+ points[npoints-1] = (XPoint) {
+ .x = ww/2,
+ .y = (isSlopeRising(wx, npoints-1, ww))
+ ? wh/2
+ : -wh/2
+ };
+ waveLength += ww/2;
+
+ // End
+ if (waveLength < width) { // Add a bonus point?
+ int marginEnd = width - waveLength;
+ points[npoints] = (XPoint) {
+ .x = marginEnd,
+ .y = (isSlopeRising(wx, npoints, ww))
+ ? (marginEnd)
+ : (-marginEnd)
+ };
+
+ npoints++;
+ } else if (waveLength > width) { // Is last point too far?
+ int marginEnd = waveLength - width;
+ points[npoints-1].x -= marginEnd;
+ if (isSlopeRising(wx, npoints-1, ww))
+ points[npoints-1].y -= (marginEnd);
+ else
+ points[npoints-1].y += (marginEnd);
+ }
+
+ // Draw the lines
+ XDrawLines(xw.dpy, XftDrawDrawable(xw.draw), ugc, points, npoints,
+ CoordModePrevious);
+
+ // Draw a second underline with an offset of 1 pixel
+ if ( ((win.ch / (widthThreshold/2)) % 2)) {
+ points[0].x++;
+
+ XDrawLines(xw.dpy, XftDrawDrawable(xw.draw), ugc, points,
+ npoints, CoordModePrevious);
+ }
+
+ // Free resources
+ free(points);
+ }
+#else // UNDERCURL_CAPPED
+ // Cap is half of wave width
+ float capRatio = 0.5f;
+
+ // Make the underline corridor larger
+ wh *= 2;
+
+ // Set the angle of the slope to 45°
+ ww = wh;
+ ww *= 1 + capRatio; // Add a bit of width for the cap
+
+ // Position of wave is independent of word, it's absolute
+ wx = (wx / ww) * ww;
+
+ float marginStart;
+ switch(getSlope(winx, 0, ww)) {
+ case UNDERCURL_SLOPE_ASCENDING:
+ marginStart = winx - wx;
+ break;
+ case UNDERCURL_SLOPE_TOP_CAP:
+ marginStart = winx - (wx + (ww * (2.f/6.f)));
+ break;
+ case UNDERCURL_SLOPE_DESCENDING:
+ marginStart = winx - (wx + (ww * (3.f/6.f)));
+ break;
+ case UNDERCURL_SLOPE_BOTTOM_CAP:
+ marginStart = winx - (wx + (ww * (5.f/6.f)));
+ break;
+ }
+
+ // Calculate number of points with floating precision
+ float n = width; // Width of word in pixels
+ // ._.
+ n = (n / ww) * 4; // Number of points (./ \.)
+ n += 2; // Add two last points
+ int npoints = n; // Convert to int
+
+ // Position of the pen to draw the lines
+ float penX = 0;
+ float penY = 0;
+
+ if (npoints >= 3) {
+ XPoint *points = xmalloc(sizeof(XPoint) * (npoints + 1));
+
+ // First point (Starts with the word bounds)
+ penX = winx;
+ switch (getSlope(winx, 0, ww)) {
+ case UNDERCURL_SLOPE_ASCENDING:
+ penY = wy + wh/2.f - marginStart;
+ break;
+ case UNDERCURL_SLOPE_TOP_CAP:
+ penY = wy;
+ break;
+ case UNDERCURL_SLOPE_DESCENDING:
+ penY = wy + marginStart;
+ break;
+ case UNDERCURL_SLOPE_BOTTOM_CAP:
+ penY = wy + wh/2.f;
+ break;
+ }
+ points[0].x = penX;
+ points[0].y = penY;
+
+ // Second point (Goes back to the absolute point coordinates)
+ switch (getSlope(winx, 1, ww)) {
+ case UNDERCURL_SLOPE_ASCENDING:
+ penX += ww * (1.f/6.f) - marginStart;
+ penY += 0;
+ break;
+ case UNDERCURL_SLOPE_TOP_CAP:
+ penX += ww * (2.f/6.f) - marginStart;
+ penY += -wh/2.f + marginStart;
+ break;
+ case UNDERCURL_SLOPE_DESCENDING:
+ penX += ww * (1.f/6.f) - marginStart;
+ penY += 0;
+ break;
+ case UNDERCURL_SLOPE_BOTTOM_CAP:
+ penX += ww * (2.f/6.f) - marginStart;
+ penY += -marginStart + wh/2.f;
+ break;
+ }
+ points[1].x = penX;
+ points[1].y = penY;
+
+ // The rest of the points
+ for (int i = 2; i < npoints; i++) {
+ switch (getSlope(winx, i, ww)) {
+ case UNDERCURL_SLOPE_ASCENDING:
+ case UNDERCURL_SLOPE_DESCENDING:
+ penX += ww * (1.f/6.f);
+ penY += 0;
+ break;
+ case UNDERCURL_SLOPE_TOP_CAP:
+ penX += ww * (2.f/6.f);
+ penY += -wh / 2.f;
+ break;
+ case UNDERCURL_SLOPE_BOTTOM_CAP:
+ penX += ww * (2.f/6.f);
+ penY += wh / 2.f;
+ break;
+ }
+ points[i].x = penX;
+ points[i].y = penY;
+ }
+
+ // End
+ float waveLength = penX - winx;
+ if (waveLength < width) { // Add a bonus point?
+ int marginEnd = width - waveLength;
+ penX += marginEnd;
+ switch(getSlope(winx, npoints, ww)) {
+ case UNDERCURL_SLOPE_ASCENDING:
+ case UNDERCURL_SLOPE_DESCENDING:
+ //penY += 0;
+ break;
+ case UNDERCURL_SLOPE_TOP_CAP:
+ penY += -marginEnd;
+ break;
+ case UNDERCURL_SLOPE_BOTTOM_CAP:
+ penY += marginEnd;
+ break;
+ }
+
+ points[npoints].x = penX;
+ points[npoints].y = penY;
+
+ npoints++;
+ } else if (waveLength > width) { // Is last point too far?
+ int marginEnd = waveLength - width;
+ points[npoints-1].x -= marginEnd;
+ switch(getSlope(winx, npoints-1, ww)) {
+ case UNDERCURL_SLOPE_TOP_CAP:
+ points[npoints-1].y += marginEnd;
+ break;
+ case UNDERCURL_SLOPE_BOTTOM_CAP:
+ points[npoints-1].y -= marginEnd;
+ break;
+ default:
+ break;
+ }
+ }
+
+ // Draw the lines
+ XDrawLines(xw.dpy, XftDrawDrawable(xw.draw), ugc, points, npoints,
+ CoordModeOrigin);
+
+ // Draw a second underline with an offset of 1 pixel
+ if ( ((win.ch / (widthThreshold/2)) % 2)) {
+ for (int i = 0; i < npoints; i++)
+ points[i].x++;
+
+ XDrawLines(xw.dpy, XftDrawDrawable(xw.draw), ugc, points,
+ npoints, CoordModeOrigin);
+ }
+
+ // Free resources
+ free(points);
+ }
+#endif
+ }
+
+ XFreeGC(xw.dpy, ugc);
+ #elif VERTCENTER_PATCH
+ XftDrawRect(xw.draw, fg, winx, winy + win.cyo + dc.font.ascent * chscale + 1,
+ width, 1);
+ #else
+ XftDrawRect(xw.draw, fg, winx, winy + dc.font.ascent * chscale + 1,
+ width, 1);
+ #endif // UNDERCURL_PATCH | VERTCENTER_PATCH
+ }
+
+ if (base.mode & ATTR_STRUCK) {
+ #if VERTCENTER_PATCH
+ XftDrawRect(xw.draw, fg, winx, winy + win.cyo + 2 * dc.font.ascent * chscale / 3,
+ width, 1);
+ #else
+ XftDrawRect(xw.draw, fg, winx, winy + 2 * dc.font.ascent * chscale / 3,
+ width, 1);
+ #endif // VERTCENTER_PATCH
+ }
+ #if WIDE_GLYPHS_PATCH
+ }
+ #endif // WIDE_GLYPHS_PATCH
+
+ #if OPENURLONCLICK_PATCH
+ if (url_draw && y >= url_y1 && y <= url_y2) {
+ int x1 = (y == url_y1) ? url_x1 : 0;
+ int x2 = (y == url_y2) ? MIN(url_x2, term.col-1) : url_maxcol;
+ if (x + charlen > x1 && x <= x2) {
+ int xu = MAX(x, x1);
+ int wu = (x2 - xu + 1) * win.cw;
+ #if ANYSIZE_PATCH
+ xu = win.hborderpx + xu * win.cw;
+ #else
+ xu = borderpx + xu * win.cw;
+ #endif // ANYSIZE_PATCH
+ #if VERTCENTER_PATCH
+ XftDrawRect(xw.draw, fg, xu, winy + win.cyo + dc.font.ascent * chscale + 2, wu, 1);
+ #else
+ XftDrawRect(xw.draw, fg, xu, winy + dc.font.ascent * chscale + 2, wu, 1);
+ #endif // VERTCENTER_PATCH
+ url_draw = (y != url_y2 || x + charlen <= x2);
+ }
+ }
+ #endif // OPENURLONCLICK_PATCH
+
+ /* Reset clip to none. */
+ XftDrawSetClip(xw.draw, 0);
+}
+
+void
+xdrawglyph(Glyph g, int x, int y)
+{
+ int numspecs;
+ XftGlyphFontSpec spec;
+
+ numspecs = xmakeglyphfontspecs(&spec, &g, 1, x, y);
+ #if WIDE_GLYPHS_PATCH
+ xdrawglyphfontspecs(&spec, g, numspecs, x, y, DRAW_BG | DRAW_FG);
+ #else
+ xdrawglyphfontspecs(&spec, g, numspecs, x, y);
+ #endif // WIDE_GLYPHS_PATCH
+}
+
+void
+#if LIGATURES_PATCH
+xdrawcursor(int cx, int cy, Glyph g, int ox, int oy, Glyph og, Line line, int len)
+#else
+xdrawcursor(int cx, int cy, Glyph g, int ox, int oy, Glyph og)
+#endif // LIGATURES_PATCH
+{
+ Color drawcol;
+ #if DYNAMIC_CURSOR_COLOR_PATCH
+ XRenderColor colbg;
+ #endif // DYNAMIC_CURSOR_COLOR_PATCH
+
+ /* remove the old cursor */
+ if (selected(ox, oy))
+ og.mode ^= ATTR_REVERSE;
+ #if LIGATURES_PATCH
+ /* Redraw the line where cursor was previously.
+ * It will restore the ligatures broken by the cursor. */
+ xdrawline(line, 0, oy, len);
+ #else
+ xdrawglyph(og, ox, oy);
+ #endif // LIGATURES_PATCH
+
+ #if HIDE_TERMINAL_CURSOR_PATCH
+ if (IS_SET(MODE_HIDE) || !IS_SET(MODE_FOCUSED))
+ return;
+ #else
+ if (IS_SET(MODE_HIDE))
+ return;
+ #endif // HIDE_TERMINAL_CURSOR_PATCH
+
+ /*
+ * Select the right color for the right mode.
+ */
+ #if BOXDRAW_PATCH
+ g.mode &= ATTR_BOLD|ATTR_ITALIC|ATTR_UNDERLINE|ATTR_STRUCK|ATTR_WIDE|ATTR_BOXDRAW;
+ #else
+ g.mode &= ATTR_BOLD|ATTR_ITALIC|ATTR_UNDERLINE|ATTR_STRUCK|ATTR_WIDE;
+ #endif // BOXDRAW_PATCH
+
+ if (IS_SET(MODE_REVERSE)) {
+ g.mode |= ATTR_REVERSE;
+ g.bg = defaultfg;
+ if (selected(cx, cy)) {
+ drawcol = dc.col[defaultcs];
+ g.fg = defaultrcs;
+ } else {
+ drawcol = dc.col[defaultrcs];
+ g.fg = defaultcs;
+ }
+ } else {
+ if (selected(cx, cy)) {
+ g.fg = defaultfg;
+ g.bg = defaultrcs;
+ }
+ #if !DYNAMIC_CURSOR_COLOR_PATCH
+ else {
+ g.fg = defaultbg;
+ g.bg = defaultcs;
+ }
+
+ drawcol = dc.col[g.bg];
+ #else
+ else if (!(og.mode & ATTR_REVERSE)) {
+ unsigned int tmpcol = g.bg;
+ g.bg = g.fg;
+ g.fg = tmpcol;
+ }
+
+ if (IS_TRUECOL(g.bg)) {
+ colbg.alpha = 0xffff;
+ colbg.red = TRUERED(g.bg);
+ colbg.green = TRUEGREEN(g.bg);
+ colbg.blue = TRUEBLUE(g.bg);
+ XftColorAllocValue(xw.dpy, xw.vis, xw.cmap, &colbg, &drawcol);
+ } else
+ drawcol = dc.col[g.bg];
+ #endif // DYNAMIC_CURSOR_COLOR_PATCH
+ }
+
+ /* draw the new one */
+ if (IS_SET(MODE_FOCUSED)) {
+ switch (win.cursor) {
+ #if !BLINKING_CURSOR_PATCH
+ case 7: /* st extension */
+ g.u = 0x2603; /* snowman (U+2603) */
+ /* FALLTHROUGH */
+ #endif // BLINKING_CURSOR_PATCH
+ case 0: /* Blinking block */
+ case 1: /* Blinking block (default) */
+ #if BLINKING_CURSOR_PATCH
+ if (IS_SET(MODE_BLINK))
+ break;
+ /* FALLTHROUGH */
+ #endif // BLINKING_CURSOR_PATCH
+ case 2: /* Steady block */
+ xdrawglyph(g, cx, cy);
+ break;
+ case 3: /* Blinking underline */
+ #if BLINKING_CURSOR_PATCH
+ if (IS_SET(MODE_BLINK))
+ break;
+ /* FALLTHROUGH */
+ #endif // BLINKING_CURSOR_PATCH
+ case 4: /* Steady underline */
+ #if ANYSIZE_PATCH
+ XftDrawRect(xw.draw, &drawcol,
+ win.hborderpx + cx * win.cw,
+ win.vborderpx + (cy + 1) * win.ch - \
+ cursorthickness,
+ win.cw, cursorthickness);
+ #else
+ XftDrawRect(xw.draw, &drawcol,
+ borderpx + cx * win.cw,
+ borderpx + (cy + 1) * win.ch - \
+ cursorthickness,
+ win.cw, cursorthickness);
+ #endif // ANYSIZE_PATCH
+ break;
+ case 5: /* Blinking bar */
+ #if BLINKING_CURSOR_PATCH
+ if (IS_SET(MODE_BLINK))
+ break;
+ /* FALLTHROUGH */
+ #endif // BLINKING_CURSOR_PATCH
+ case 6: /* Steady bar */
+ XftDrawRect(xw.draw, &drawcol,
+ #if ANYSIZE_PATCH
+ win.hborderpx + cx * win.cw,
+ win.vborderpx + cy * win.ch,
+ #else
+ borderpx + cx * win.cw,
+ borderpx + cy * win.ch,
+ #endif // ANYSIZE_PATCH
+ cursorthickness, win.ch);
+ break;
+ #if BLINKING_CURSOR_PATCH
+ case 7: /* Blinking st cursor */
+ if (IS_SET(MODE_BLINK))
+ break;
+ /* FALLTHROUGH */
+ case 8: /* Steady st cursor */
+ g.u = stcursor;
+ xdrawglyph(g, cx, cy);
+ break;
+ #endif // BLINKING_CURSOR_PATCH
+ }
+ } else {
+ XftDrawRect(xw.draw, &drawcol,
+ #if ANYSIZE_PATCH
+ win.hborderpx + cx * win.cw,
+ win.vborderpx + cy * win.ch,
+ #else
+ borderpx + cx * win.cw,
+ borderpx + cy * win.ch,
+ #endif // ANYSIZE_PATCH
+ win.cw - 1, 1);
+ XftDrawRect(xw.draw, &drawcol,
+ #if ANYSIZE_PATCH
+ win.hborderpx + cx * win.cw,
+ win.vborderpx + cy * win.ch,
+ #else
+ borderpx + cx * win.cw,
+ borderpx + cy * win.ch,
+ #endif // ANYSIZE_PATCH
+ 1, win.ch - 1);
+ XftDrawRect(xw.draw, &drawcol,
+ #if ANYSIZE_PATCH
+ win.hborderpx + (cx + 1) * win.cw - 1,
+ win.vborderpx + cy * win.ch,
+ #else
+ borderpx + (cx + 1) * win.cw - 1,
+ borderpx + cy * win.ch,
+ #endif // ANYSIZE_PATCH
+ 1, win.ch - 1);
+ XftDrawRect(xw.draw, &drawcol,
+ #if ANYSIZE_PATCH
+ win.hborderpx + cx * win.cw,
+ win.vborderpx + (cy + 1) * win.ch - 1,
+ #else
+ borderpx + cx * win.cw,
+ borderpx + (cy + 1) * win.ch - 1,
+ #endif // ANYSIZE_PATCH
+ win.cw, 1);
+ }
+}
+
+void
+xsetenv(void)
+{
+ char buf[sizeof(long) * 8 + 1];
+
+ snprintf(buf, sizeof(buf), "%lu", xw.win);
+ setenv("WINDOWID", buf, 1);
+}
+
+void
+xseticontitle(char *p)
+{
+ XTextProperty prop;
+ DEFAULT(p, opt_title);
+
+ if (Xutf8TextListToTextProperty(xw.dpy, &p, 1, XUTF8StringStyle,
+ &prop) != Success)
+ return;
+ XSetWMIconName(xw.dpy, xw.win, &prop);
+ XSetTextProperty(xw.dpy, xw.win, &prop, xw.netwmiconname);
+ XFree(prop.value);
+}
+
+#if CSI_22_23_PATCH
+void
+xsettitle(char *p, int pop)
+{
+ XTextProperty prop;
+
+ free(titlestack[tstki]);
+ if (pop) {
+ titlestack[tstki] = NULL;
+ tstki = (tstki - 1 + TITLESTACKSIZE) % TITLESTACKSIZE;
+ p = titlestack[tstki] ? titlestack[tstki] : opt_title;
+ } else if (p) {
+ titlestack[tstki] = xstrdup(p);
+ } else {
+ titlestack[tstki] = NULL;
+ p = opt_title;
+ }
+
+ if (Xutf8TextListToTextProperty(xw.dpy, &p, 1, XUTF8StringStyle,
+ &prop) != Success)
+ return;
+ XSetWMName(xw.dpy, xw.win, &prop);
+ XSetTextProperty(xw.dpy, xw.win, &prop, xw.netwmname);
+ XFree(prop.value);
+}
+
+void
+xpushtitle(void)
+{
+ int tstkin = (tstki + 1) % TITLESTACKSIZE;
+
+ free(titlestack[tstkin]);
+ titlestack[tstkin] = titlestack[tstki] ? xstrdup(titlestack[tstki]) : NULL;
+ tstki = tstkin;
+}
+
+void
+xfreetitlestack(void)
+{
+ for (int i = 0; i < LEN(titlestack); i++) {
+ free(titlestack[i]);
+ titlestack[i] = NULL;
+ }
+}
+#else
+void
+xsettitle(char *p)
+{
+ XTextProperty prop;
+ DEFAULT(p, opt_title);
+
+ if (Xutf8TextListToTextProperty(xw.dpy, &p, 1, XUTF8StringStyle,
+ &prop) != Success)
+ return;
+ XSetWMName(xw.dpy, xw.win, &prop);
+ XSetTextProperty(xw.dpy, xw.win, &prop, xw.netwmname);
+ XFree(prop.value);
+}
+#endif // CSI_22_23_PATCH
+
+int
+xstartdraw(void)
+{
+ #if W3M_PATCH
+ if (IS_SET(MODE_VISIBLE))
+ XCopyArea(xw.dpy, xw.win, xw.buf, dc.gc, 0, 0, win.w, win.h, 0, 0);
+ #endif // W3M_PATCH
+ return IS_SET(MODE_VISIBLE);
+}
+
+void
+xdrawline(Line line, int x1, int y1, int x2)
+{
+ int i, x, ox, numspecs;
+ #if WIDE_GLYPHS_PATCH
+ int numspecs_cached;
+ #endif // WIDE_GLYPHS_PATCH
+ Glyph base, new;
+ #if WIDE_GLYPHS_PATCH
+ XftGlyphFontSpec *specs;
+
+ numspecs_cached = xmakeglyphfontspecs(xw.specbuf, &line[x1], x2 - x1, x1, y1);
+
+ /* Draw line in 2 passes: background and foreground. This way wide glyphs
+ won't get truncated (#223) */
+ for (int dmode = DRAW_BG; dmode <= DRAW_FG; dmode <<= 1) {
+ specs = xw.specbuf;
+ numspecs = numspecs_cached;
+ i = ox = 0;
+ for (x = x1; x < x2 && i < numspecs; x++) {
+ new = line[x];
+ #if VIM_BROWSE_PATCH
+ historyOverlay(x, y1, &new);
+ #endif // VIM_BROWSE_PATCH
+ if (new.mode == ATTR_WDUMMY)
+ continue;
+ if (selected(x, y1))
+ new.mode ^= ATTR_REVERSE;
+ if (i > 0 && ATTRCMP(base, new)) {
+ xdrawglyphfontspecs(specs, base, i, ox, y1, dmode);
+ specs += i;
+ numspecs -= i;
+ i = 0;
+ }
+ if (i == 0) {
+ ox = x;
+ base = new;
+ }
+ i++;
+ }
+ if (i > 0)
+ xdrawglyphfontspecs(specs, base, i, ox, y1, dmode);
+ }
+ #else
+ XftGlyphFontSpec *specs = xw.specbuf;
+
+ numspecs = xmakeglyphfontspecs(specs, &line[x1], x2 - x1, x1, y1);
+ i = ox = 0;
+ for (x = x1; x < x2 && i < numspecs; x++) {
+ new = line[x];
+ #if VIM_BROWSE_PATCH
+ historyOverlay(x, y1, &new);
+ #endif // VIM_BROWSE_PATCH
+ if (new.mode == ATTR_WDUMMY)
+ continue;
+ if (selected(x, y1))
+ new.mode ^= ATTR_REVERSE;
+ if (i > 0 && ATTRCMP(base, new)) {
+ xdrawglyphfontspecs(specs, base, i, ox, y1);
+ specs += i;
+ numspecs -= i;
+ i = 0;
+ }
+ if (i == 0) {
+ ox = x;
+ base = new;
+ }
+ i++;
+ }
+ if (i > 0)
+ xdrawglyphfontspecs(specs, base, i, ox, y1);
+ #endif // WIDE_GLYPHS_PATCH
+}
+
+void
+xfinishdraw(void)
+{
+ #if SIXEL_PATCH
+ ImageList *im, *next;
+ XGCValues gcvalues;
+ GC gc;
+ #endif // SIXEL_PATCH
+
+ #if SIXEL_PATCH
+ for (im = term.images; im; im = next) {
+ /* get the next image here, because delete_image() will delete the current image */
+ next = im->next;
+
+ if (im->should_delete) {
+ delete_image(im);
+ continue;
+ }
+
+ if (!im->pixmap) {
+ im->pixmap = (void *)XCreatePixmap(xw.dpy, xw.win, im->width, im->height,
+ #if ALPHA_PATCH
+ xw.depth
+ #else
+ DefaultDepth(xw.dpy, xw.scr)
+ #endif // ALPHA_PATCH
+ );
+ XImage ximage = {
+ .format = ZPixmap,
+ .data = (char *)im->pixels,
+ .width = im->width,
+ .height = im->height,
+ .xoffset = 0,
+ .byte_order = LSBFirst,
+ .bitmap_bit_order = MSBFirst,
+ .bits_per_pixel = 32,
+ .bytes_per_line = im->width * 4,
+ .bitmap_unit = 32,
+ .bitmap_pad = 32,
+ #if ALPHA_PATCH
+ .depth = xw.depth
+ #else
+ .depth = 24
+ #endif // ALPHA_PATCH
+ };
+ XPutImage(xw.dpy, (Drawable)im->pixmap, dc.gc, &ximage, 0, 0, 0, 0, im->width, im->height);
+ free(im->pixels);
+ im->pixels = NULL;
+ }
+
+ memset(&gcvalues, 0, sizeof(gcvalues));
+ gcvalues.graphics_exposures = False;
+ gc = XCreateGC(xw.dpy, xw.win, GCGraphicsExposures, &gcvalues);
+
+ #if ANYSIZE_PATCH
+ XCopyArea(xw.dpy, (Drawable)im->pixmap, xw.buf, gc, 0, 0, im->width, im->height, win.hborderpx + im->x * win.cw, win.vborderpx + im->y * win.ch);
+ #else
+ XCopyArea(xw.dpy, (Drawable)im->pixmap, xw.buf, gc, 0, 0, im->width, im->height, borderpx + im->x * win.cw, borderpx + im->y * win.ch);
+ #endif // ANYSIZE_PATCH
+ XFreeGC(xw.dpy, gc);
+
+ }
+ #endif // SIXEL_PATCH
+
+ #if !SINGLE_DRAWABLE_BUFFER_PATCH
+ XCopyArea(xw.dpy, xw.buf, xw.win, dc.gc, 0, 0, win.w, win.h, 0, 0);
+ #endif // SINGLE_DRAWABLE_BUFFER_PATCH
+ XSetForeground(xw.dpy, dc.gc,
+ dc.col[IS_SET(MODE_REVERSE)?
+ defaultfg : defaultbg].pixel);
+}
+
+void
+xximspot(int x, int y)
+{
+ 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.ime.xic, XNPreeditAttributes, xw.ime.spotlist, NULL);
+}
+
+void
+expose(XEvent *ev)
+{
+ redraw();
+}
+
+void
+visibility(XEvent *ev)
+{
+ XVisibilityEvent *e = &ev->xvisibility;
+
+ MODBIT(win.mode, e->state != VisibilityFullyObscured, MODE_VISIBLE);
+}
+
+void
+unmap(XEvent *ev)
+{
+ #if ST_EMBEDDER_PATCH
+ if (embed == ev->xunmap.window) {
+ embed = 0;
+ XRaiseWindow(xw.dpy, xw.win);
+ XSetInputFocus(xw.dpy, xw.win, RevertToParent, CurrentTime);
+ }
+ #endif // ST_EMBEDDER_PATCH
+ win.mode &= ~MODE_VISIBLE;
+}
+
+void
+xsetpointermotion(int set)
+{
+ #if HIDECURSOR_PATCH
+ if (!set && !xw.pointerisvisible)
+ return;
+ #endif // HIDECURSOR_PATCH
+ #if OPENURLONCLICK_PATCH
+ set = 1; /* keep MotionNotify event enabled */
+ #endif // OPENURLONCLICK_PATCH
+ MODBIT(xw.attrs.event_mask, set, PointerMotionMask);
+ XChangeWindowAttributes(xw.dpy, xw.win, CWEventMask, &xw.attrs);
+}
+
+void
+xsetmode(int set, unsigned int flags)
+{
+ int mode = win.mode;
+ MODBIT(win.mode, set, flags);
+ #if SWAPMOUSE_PATCH
+ if ((flags & MODE_MOUSE)
+ #if HIDECURSOR_PATCH
+ && xw.pointerisvisible
+ #endif // HIDECURSOR_PATCH
+ ) {
+ if (win.mode & MODE_MOUSE)
+ XUndefineCursor(xw.dpy, xw.win);
+ else
+ #if HIDECURSOR_PATCH
+ XDefineCursor(xw.dpy, xw.win, xw.vpointer);
+ #else
+ XDefineCursor(xw.dpy, xw.win, cursor);
+ #endif // HIDECURSOR_PATCH
+ }
+ #elif OPENURLONCLICK_PATCH
+ if (win.mode & MODE_MOUSE && xw.pointerisvisible)
+ XDefineCursor(xw.dpy, xw.win, xw.vpointer);
+ #endif // SWAPMOUSE_PATCH
+ if ((win.mode & MODE_REVERSE) != (mode & MODE_REVERSE))
+ redraw();
+}
+
+int
+xsetcursor(int cursor)
+{
+ #if BLINKING_CURSOR_PATCH
+ if (!BETWEEN(cursor, 0, 8)) /* 7-8: st extensions */
+ #else
+ if (!BETWEEN(cursor, 0, 7)) /* 7: st extension */
+ #endif // BLINKING_CURSOR_PATCH
+ return 1;
+ #if DEFAULT_CURSOR_PATCH
+ #if BLINKING_CURSOR_PATCH
+ win.cursor = (cursor ? cursor : cursorstyle);
+ #else
+ win.cursor = (cursor ? cursor : cursorshape);
+ #endif // BLINKING_CURSOR_PATCH
+ #else
+ win.cursor = cursor;
+ #endif // DEFAULT_CURSOR_PATCH
+ #if BLINKING_CURSOR_PATCH
+ cursorblinks = win.cursor == 0 || win.cursor == 1 ||
+ win.cursor == 3 || win.cursor == 5 ||
+ win.cursor == 7;
+ #endif // BLINKING_CURSOR_PATCH
+ return 0;
+}
+
+void
+xseturgency(int add)
+{
+ XWMHints *h = XGetWMHints(xw.dpy, xw.win);
+
+ MODBIT(h->flags, add, XUrgencyHint);
+ XSetWMHints(xw.dpy, xw.win, h);
+ XFree(h);
+}
+
+void
+xbell(void)
+{
+ if (!(IS_SET(MODE_FOCUSED)))
+ xseturgency(1);
+ if (bellvolume)
+ XkbBell(xw.dpy, xw.win, bellvolume, (Atom)NULL);
+ #if VISUALBELL_1_PATCH
+ if (!bellon) /* turn visual bell on */
+ bellon = 1;
+ #endif // VISUALBELL_1_PATCH
+}
+
+void
+focus(XEvent *ev)
+{
+ XFocusChangeEvent *e = &ev->xfocus;
+
+ #if ST_EMBEDDER_PATCH
+ if (embed && ev->type == FocusIn) {
+ XRaiseWindow(xw.dpy, embed);
+ XSetInputFocus(xw.dpy, embed, RevertToParent, CurrentTime);
+ sendxembed(XEMBED_FOCUS_IN, XEMBED_FOCUS_CURRENT, 0, 0);
+ sendxembed(XEMBED_WINDOW_ACTIVATE, 0, 0, 0);
+ }
+ #endif // ST_EMBEDDER_PATCH
+
+ if (e->mode == NotifyGrab)
+ return;
+
+ if (ev->type == FocusIn) {
+ if (xw.ime.xic)
+ XSetICFocus(xw.ime.xic);
+ win.mode |= MODE_FOCUSED;
+ xseturgency(0);
+ if (IS_SET(MODE_FOCUS))
+ ttywrite("\033[I", 3, 0);
+ #if ALPHA_PATCH && ALPHA_FOCUS_HIGHLIGHT_PATCH
+ if (!focused) {
+ focused = 1;
+ xloadcols();
+ tfulldirt();
+ }
+ #endif // ALPHA_FOCUS_HIGHLIGHT_PATCH
+ } else {
+ if (xw.ime.xic)
+ XUnsetICFocus(xw.ime.xic);
+ win.mode &= ~MODE_FOCUSED;
+ if (IS_SET(MODE_FOCUS))
+ ttywrite("\033[O", 3, 0);
+ #if ALPHA_PATCH && ALPHA_FOCUS_HIGHLIGHT_PATCH
+ if (focused) {
+ focused = 0;
+ xloadcols();
+ tfulldirt();
+ }
+ #endif // ALPHA_FOCUS_HIGHLIGHT_PATCH
+ }
+}
+
+int
+match(uint mask, uint state)
+{
+ return mask == XK_ANY_MOD || mask == (state & ~ignoremod);
+}
+
+char*
+kmap(KeySym k, uint state)
+{
+ Key *kp;
+ int i;
+
+ /* Check for mapped keys out of X11 function keys. */
+ for (i = 0; i < LEN(mappedkeys); i++) {
+ if (mappedkeys[i] == k)
+ break;
+ }
+ if (i == LEN(mappedkeys)) {
+ if ((k & 0xFFFF) < 0xFD00)
+ return NULL;
+ }
+
+ for (kp = key; kp < key + LEN(key); kp++) {
+ if (kp->k != k)
+ continue;
+
+ if (!match(kp->mask, state))
+ continue;
+
+ if (IS_SET(MODE_APPKEYPAD) ? kp->appkey < 0 : kp->appkey > 0)
+ continue;
+ if (IS_SET(MODE_NUMLOCK) && kp->appkey == 2)
+ continue;
+
+ if (IS_SET(MODE_APPCURSOR) ? kp->appcursor < 0 : kp->appcursor > 0)
+ continue;
+
+ return kp->s;
+ }
+
+ return NULL;
+}
+
+void
+kpress(XEvent *ev)
+{
+ XKeyEvent *e = &ev->xkey;
+ KeySym ksym = NoSymbol;
+ char buf[64], *customkey;
+ int len, screen;
+ Rune c;
+ Status status;
+ Shortcut *bp;
+
+ #if HIDECURSOR_PATCH
+ if (xw.pointerisvisible) {
+ #if OPENURLONCLICK_PATCH
+ #if ANYSIZE_PATCH
+ int x = e->x - win.hborderpx;
+ int y = e->y - win.vborderpx;
+ #else
+ int x = e->x - borderpx;
+ int y = e->y - borderpx;
+ #endif // ANYSIZE_PATCH
+ LIMIT(x, 0, win.tw - 1);
+ LIMIT(y, 0, win.th - 1);
+ if (!detecturl(x / win.cw, y / win.ch, 0)) {
+ XDefineCursor(xw.dpy, xw.win, xw.bpointer);
+ xsetpointermotion(1);
+ xw.pointerisvisible = 0;
+ }
+ #else
+ XDefineCursor(xw.dpy, xw.win, xw.bpointer);
+ xsetpointermotion(1);
+ xw.pointerisvisible = 0;
+ #endif // OPENURLONCLICK_PATCH
+ }
+ #endif // HIDECURSOR_PATCH
+
+ if (IS_SET(MODE_KBDLOCK))
+ return;
+
+ if (xw.ime.xic) {
+ len = XmbLookupString(xw.ime.xic, e, buf, sizeof buf, &ksym, &status);
+ if (status == XBufferOverflow)
+ return;
+ } else {
+ len = XLookupString(e, buf, sizeof buf, &ksym, NULL);
+ }
+ #if KEYBOARDSELECT_PATCH
+ if ( IS_SET(MODE_KBDSELECT) ) {
+ if ( match(XK_NO_MOD, e->state) ||
+ (XK_Shift_L | XK_Shift_R) & e->state )
+ win.mode ^= trt_kbdselect(ksym, buf, len);
+ return;
+ }
+ #endif // KEYBOARDSELECT_PATCH
+ #if VIM_BROWSE_PATCH
+ if (IS_SET(MODE_NORMAL)) {
+ if (kPressHist(buf, len, match(ControlMask, e->state), &ksym)
+ == finish) normalMode();
+ return;
+ }
+ #endif // VIM_BROWSE_PATCH
+
+ screen = tisaltscr() ? S_ALT : S_PRI;
+
+ /* 1. shortcuts */
+ for (bp = shortcuts; bp < shortcuts + LEN(shortcuts); bp++) {
+ if (ksym == bp->keysym && match(bp->mod, e->state) &&
+ (!bp->screen || bp->screen == screen)) {
+ bp->func(&(bp->arg));
+ return;
+ }
+ }
+
+ /* 2. custom keys from config.h */
+ if ((customkey = kmap(ksym, e->state))) {
+ ttywrite(customkey, strlen(customkey), 1);
+ return;
+ }
+
+ /* 3. composed string from input method */
+ if (len == 0)
+ return;
+ if (len == 1 && e->state & Mod1Mask) {
+ if (IS_SET(MODE_8BIT)) {
+ if (*buf < 0177) {
+ c = *buf | 0x80;
+ len = utf8encode(c, buf);
+ }
+ } else {
+ buf[1] = buf[0];
+ buf[0] = '\033';
+ len = 2;
+ }
+ }
+ ttywrite(buf, len, 1);
+}
+
+
+void
+cmessage(XEvent *e)
+{
+ /*
+ * See xembed specs
+ * http://standards.freedesktop.org/xembed-spec/xembed-spec-latest.html
+ */
+ if (e->xclient.message_type == xw.xembed && e->xclient.format == 32) {
+ if (e->xclient.data.l[1] == XEMBED_FOCUS_IN) {
+ win.mode |= MODE_FOCUSED;
+ xseturgency(0);
+ } else if (e->xclient.data.l[1] == XEMBED_FOCUS_OUT) {
+ win.mode &= ~MODE_FOCUSED;
+ }
+ } else if (e->xclient.data.l[0] == xw.wmdeletewin) {
+ ttyhangup();
+ exit(0);
+ }
+}
+
+void
+resize(XEvent *e)
+{
+ #if ST_EMBEDDER_PATCH
+ XWindowChanges wc;
+ #endif // ST_EMBEDDER_PATCH
+
+ #if BACKGROUND_IMAGE_PATCH
+ if (pseudotransparency) {
+ if (e->xconfigure.width == win.w &&
+ e->xconfigure.height == win.h &&
+ e->xconfigure.x == win.x && e->xconfigure.y == win.y)
+ return;
+ updatexy();
+ } else
+ #endif // BACKGROUND_IMAGE_PATCH
+ if (e->xconfigure.width == win.w && e->xconfigure.height == win.h)
+ return;
+
+ #if ST_EMBEDDER_PATCH
+ if (embed) {
+ wc.width = e->xconfigure.width;
+ wc.height = e->xconfigure.height;
+ XConfigureWindow(xw.dpy, embed, CWWidth | CWHeight, &wc);
+ }
+ #endif // ST_EMBEDDER_PATCH
+
+ cresize(e->xconfigure.width, e->xconfigure.height);
+}
+
+void
+run(void)
+{
+ XEvent ev;
+ int w = win.w, h = win.h;
+ fd_set rfd;
+ int xfd = XConnectionNumber(xw.dpy), ttyfd, xev, drawing;
+ struct timespec seltv, *tv, now, lastblink, trigger;
+ double timeout;
+
+ /* Waiting for window mapping */
+ do {
+ XNextEvent(xw.dpy, &ev);
+ /*
+ * This XFilterEvent call is required because of XOpenIM. It
+ * does filter out the key event and some client message for
+ * the input method too.
+ */
+ if (XFilterEvent(&ev, None))
+ continue;
+ if (ev.type == ConfigureNotify) {
+ w = ev.xconfigure.width;
+ h = ev.xconfigure.height;
+ }
+ } while (ev.type != MapNotify);
+
+ ttyfd = ttynew(opt_line, shell, opt_io, opt_cmd);
+ cresize(w, h);
+
+ for (timeout = -1, drawing = 0, lastblink = (struct timespec){0};;) {
+ FD_ZERO(&rfd);
+ FD_SET(ttyfd, &rfd);
+ FD_SET(xfd, &rfd);
+
+ #if SYNC_PATCH
+ if (XPending(xw.dpy) || ttyread_pending())
+ #else
+ if (XPending(xw.dpy))
+ #endif // SYNC_PATCH
+ timeout = 0; /* existing events might not set xfd */
+
+ seltv.tv_sec = timeout / 1E3;
+ seltv.tv_nsec = 1E6 * (timeout - 1E3 * seltv.tv_sec);
+ tv = timeout >= 0 ? &seltv : NULL;
+
+ if (pselect(MAX(xfd, ttyfd)+1, &rfd, NULL, NULL, tv, NULL) < 0) {
+ if (errno == EINTR)
+ continue;
+ die("select failed: %s\n", strerror(errno));
+ }
+ clock_gettime(CLOCK_MONOTONIC, &now);
+
+ #if SYNC_PATCH
+ int ttyin = FD_ISSET(ttyfd, &rfd) || ttyread_pending();
+ if (ttyin)
+ ttyread();
+ #else
+ if (FD_ISSET(ttyfd, &rfd))
+ ttyread();
+ #endif // SYNC_PATCH
+
+ xev = 0;
+ while (XPending(xw.dpy)) {
+ xev = 1;
+ XNextEvent(xw.dpy, &ev);
+ if (XFilterEvent(&ev, None))
+ continue;
+ if (handler[ev.type])
+ (handler[ev.type])(&ev);
+ }
+
+ /*
+ * To reduce flicker and tearing, when new content or event
+ * triggers drawing, we first wait a bit to ensure we got
+ * everything, and if nothing new arrives - we draw.
+ * We start with trying to wait minlatency ms. If more content
+ * arrives sooner, we retry with shorter and shorter periods,
+ * and eventually draw even without idle after maxlatency ms.
+ * Typically this results in low latency while interacting,
+ * maximum latency intervals during `cat huge.txt`, and perfect
+ * sync with periodic updates from animations/key-repeats/etc.
+ */
+ #if SYNC_PATCH
+ if (ttyin || xev)
+ #else
+ if (FD_ISSET(ttyfd, &rfd) || xev)
+ #endif // SYNC_PATCH
+ {
+ if (!drawing) {
+ trigger = now;
+ #if BLINKING_CURSOR_PATCH
+ if (IS_SET(MODE_BLINK)) {
+ win.mode ^= MODE_BLINK;
+ }
+ lastblink = now;
+ #endif // BLINKING_CURSOR_PATCH
+ drawing = 1;
+ }
+ timeout = (maxlatency - TIMEDIFF(now, trigger)) \
+ / maxlatency * minlatency;
+ if (timeout > 0)
+ continue; /* we have time, try to find idle */
+ }
+
+ #if SYNC_PATCH
+ if (tinsync(su_timeout)) {
+ /*
+ * on synchronized-update draw-suspension: don't reset
+ * drawing so that we draw ASAP once we can (just after
+ * ESU). it won't be too soon because we already can
+ * draw now but we skip. we set timeout > 0 to draw on
+ * SU-timeout even without new content.
+ */
+ timeout = minlatency;
+ continue;
+ }
+ #endif // SYNC_PATCH
+
+ /* idle detected or maxlatency exhausted -> draw */
+ timeout = -1;
+ #if BLINKING_CURSOR_PATCH
+ if (blinktimeout && (cursorblinks || tattrset(ATTR_BLINK)))
+ #else
+ if (blinktimeout && tattrset(ATTR_BLINK))
+ #endif // BLINKING_CURSOR_PATCH
+ {
+ timeout = blinktimeout - TIMEDIFF(now, lastblink);
+ if (timeout <= 0) {
+ if (-timeout > blinktimeout) /* start visible */
+ win.mode |= MODE_BLINK;
+ win.mode ^= MODE_BLINK;
+ tsetdirtattr(ATTR_BLINK);
+ lastblink = now;
+ timeout = blinktimeout;
+ }
+ }
+
+ #if VISUALBELL_1_PATCH
+ if (bellon) {
+ bellon++;
+ bellon %= 3;
+ MODBIT(win.mode, !IS_SET(MODE_REVERSE), MODE_REVERSE);
+ redraw();
+ }
+ else
+ draw();
+ #else
+ draw();
+ #endif // VISUALBELL_1_PATCH
+ XFlush(xw.dpy);
+ drawing = 0;
+ }
+}
+
+void
+usage(void)
+{
+ die("usage: %s [-aiv] [-c class]"
+ #if WORKINGDIR_PATCH
+ " [-d path]"
+ #endif // WORKINGDIR_PATCH
+ " [-f font] [-g geometry]"
+ " [-n name] [-o file]\n"
+ " [-T title] [-t title] [-w windowid]"
+ " [[-e] command [args ...]]\n"
+ " %s [-aiv] [-c class]"
+ #if WORKINGDIR_PATCH
+ " [-d path]"
+ #endif // WORKINGDIR_PATCH
+ " [-f font] [-g geometry]"
+ " [-n name] [-o file]\n"
+ " [-T title] [-t title] [-w windowid] -l line"
+ " [stty_args ...]\n", argv0, argv0);
+}
+
+int
+main(int argc, char *argv[])
+{
+ xw.l = xw.t = 0;
+ xw.isfixed = False;
+ #if BLINKING_CURSOR_PATCH
+ xsetcursor(cursorstyle);
+ #else
+ xsetcursor(cursorshape);
+ #endif // BLINKING_CURSOR_PATCH
+
+ ARGBEGIN {
+ case 'a':
+ allowaltscreen = 0;
+ break;
+ #if ALPHA_PATCH
+ case 'A':
+ opt_alpha = EARGF(usage());
+ break;
+ #endif // ALPHA_PATCH
+ case 'c':
+ opt_class = EARGF(usage());
+ break;
+ #if WORKINGDIR_PATCH
+ case 'd':
+ opt_dir = EARGF(usage());
+ break;
+ #endif // WORKINGDIR_PATCH
+ case 'e':
+ if (argc > 0)
+ --argc, ++argv;
+ goto run;
+ case 'f':
+ opt_font = EARGF(usage());
+ break;
+ case 'g':
+ xw.gm = XParseGeometry(EARGF(usage()),
+ &xw.l, &xw.t, &cols, &rows);
+ break;
+ case 'i':
+ xw.isfixed = 1;
+ break;
+ case 'o':
+ opt_io = EARGF(usage());
+ break;
+ case 'l':
+ opt_line = EARGF(usage());
+ break;
+ case 'n':
+ opt_name = EARGF(usage());
+ break;
+ case 't':
+ case 'T':
+ opt_title = EARGF(usage());
+ break;
+ case 'w':
+ opt_embed = EARGF(usage());
+ break;
+ case 'v':
+ die("%s " VERSION "\n", argv0);
+ break;
+ default:
+ usage();
+ } ARGEND;
+
+run:
+ if (argc > 0) /* eat all remaining arguments */
+ opt_cmd = argv;
+
+ if (!opt_title)
+ opt_title = (opt_line || !opt_cmd) ? "st" : opt_cmd[0];
+
+ setlocale(LC_CTYPE, "");
+ XSetLocaleModifiers("");
+ #if XRESOURCES_PATCH && XRESOURCES_RELOAD_PATCH || BACKGROUND_IMAGE_PATCH && BACKGROUND_IMAGE_RELOAD_PATCH
+ signal(SIGUSR1, sigusr1_reload);
+ #endif // XRESOURCES_RELOAD_PATCH | BACKGROUND_IMAGE_RELOAD_PATCH
+ #if XRESOURCES_PATCH
+ if (!(xw.dpy = XOpenDisplay(NULL)))
+ die("Can't open display\n");
+
+ config_init(xw.dpy);
+ #endif // XRESOURCES_PATCH
+ cols = MAX(cols, 1);
+ rows = MAX(rows, 1);
+ #if ALPHA_PATCH && ALPHA_FOCUS_HIGHLIGHT_PATCH
+ defaultbg = MAX(LEN(colorname), 256);
+ #endif // ALPHA_FOCUS_HIGHLIGHT_PATCH
+ tnew(cols, rows);
+ xinit(cols, rows);
+ #if BACKGROUND_IMAGE_PATCH
+ bginit();
+ #endif // BACKGROUND_IMAGE_PATCH
+ xsetenv();
+ selinit();
+ #if WORKINGDIR_PATCH
+ if (opt_dir && chdir(opt_dir))
+ die("Can't change to working directory %s\n", opt_dir);
+ #endif // WORKINGDIR_PATCH
+ run();
+
+ return 0;
+}