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1984 lines
44 KiB
1984 lines
44 KiB
/* See LICENSE for license details. */
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#include <errno.h>
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#include <locale.h>
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#include <signal.h>
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#include <stdint.h>
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#include <sys/select.h>
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#include <time.h>
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#include <unistd.h>
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#include <libgen.h>
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#include <X11/Xatom.h>
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#include <X11/Xlib.h>
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#include <X11/Xutil.h>
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#include <X11/cursorfont.h>
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#include <X11/keysym.h>
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#include <X11/Xft/Xft.h>
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#include <X11/XKBlib.h>
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static char *argv0;
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#include "arg.h"
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#include "st.h"
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#include "win.h"
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/* types used in config.h */
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typedef struct {
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uint mod;
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KeySym keysym;
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void (*func)(const Arg *);
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const Arg arg;
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} Shortcut;
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typedef struct {
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uint b;
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uint mask;
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char *s;
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} MouseShortcut;
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typedef struct {
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KeySym k;
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uint mask;
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char *s;
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/* three valued logic variables: 0 indifferent, 1 on, -1 off */
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signed char appkey; /* application keypad */
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signed char appcursor; /* application cursor */
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signed char crlf; /* crlf mode */
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} Key;
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/* function definitions used in config.h */
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static void clipcopy(const Arg *);
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static void clippaste(const Arg *);
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static void selpaste(const Arg *);
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static void zoom(const Arg *);
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static void zoomabs(const Arg *);
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static void zoomreset(const Arg *);
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/* config.h for applying patches and the configuration. */
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#include "config.h"
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/* XEMBED messages */
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#define XEMBED_FOCUS_IN 4
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#define XEMBED_FOCUS_OUT 5
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/* macros */
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#define TRUERED(x) (((x) & 0xff0000) >> 8)
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#define TRUEGREEN(x) (((x) & 0xff00))
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#define TRUEBLUE(x) (((x) & 0xff) << 8)
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typedef XftDraw *Draw;
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typedef XftColor Color;
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typedef XftGlyphFontSpec GlyphFontSpec;
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/* Purely graphic info */
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typedef struct {
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Display *dpy;
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Colormap cmap;
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Window win;
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Drawable buf;
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GlyphFontSpec *specbuf; /* font spec buffer used for rendering */
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Atom xembed, wmdeletewin, netwmname, netwmpid;
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XIM xim;
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XIC xic;
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Draw draw;
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Visual *vis;
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XSetWindowAttributes attrs;
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int scr;
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int isfixed; /* is fixed geometry? */
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int l, t; /* left and top offset */
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int gm; /* geometry mask */
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} XWindow;
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typedef struct {
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Atom xtarget;
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} XSelection;
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/* Font structure */
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#define Font Font_
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typedef struct {
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int height;
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int width;
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int ascent;
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int descent;
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int badslant;
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int badweight;
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short lbearing;
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short rbearing;
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XftFont *match;
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FcFontSet *set;
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FcPattern *pattern;
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} Font;
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/* Drawing Context */
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typedef struct {
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Color *col;
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size_t collen;
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Font font, bfont, ifont, ibfont;
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GC gc;
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} DC;
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static inline ushort sixd_to_16bit(int);
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static int xmakeglyphfontspecs(XftGlyphFontSpec *, const Glyph *, int, int, int);
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static void xdrawglyphfontspecs(const XftGlyphFontSpec *, Glyph, int, int, int);
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static void xdrawglyph(Glyph, int, int);
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static void xclear(int, int, int, int);
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static void xdrawcursor(void);
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static int xgeommasktogravity(int);
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static void xinit(void);
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static void cresize(int, int);
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static void xresize(int, int);
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static int xloadfont(Font *, FcPattern *);
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static void xloadfonts(char *, double);
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static void xunloadfont(Font *);
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static void xunloadfonts(void);
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static void xsetenv(void);
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static void xseturgency(int);
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static int x2col(int);
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static int y2row(int);
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static void expose(XEvent *);
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static void visibility(XEvent *);
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static void unmap(XEvent *);
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static void kpress(XEvent *);
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static void cmessage(XEvent *);
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static void resize(XEvent *);
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static void focus(XEvent *);
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static void brelease(XEvent *);
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static void bpress(XEvent *);
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static void bmotion(XEvent *);
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static void propnotify(XEvent *);
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static void selnotify(XEvent *);
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static void selclear_(XEvent *);
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static void selrequest(XEvent *);
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static void selcopy(Time);
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static void getbuttoninfo(XEvent *);
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static void mousereport(XEvent *);
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static char *kmap(KeySym, uint);
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static int match(uint, uint);
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static void run(void);
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static void usage(void);
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static void (*handler[LASTEvent])(XEvent *) = {
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[KeyPress] = kpress,
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[ClientMessage] = cmessage,
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[ConfigureNotify] = resize,
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[VisibilityNotify] = visibility,
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[UnmapNotify] = unmap,
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[Expose] = expose,
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[FocusIn] = focus,
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[FocusOut] = focus,
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[MotionNotify] = bmotion,
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[ButtonPress] = bpress,
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[ButtonRelease] = brelease,
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/*
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* Uncomment if you want the selection to disappear when you select something
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* different in another window.
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*/
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/* [SelectionClear] = selclear_, */
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[SelectionNotify] = selnotify,
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/*
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* PropertyNotify is only turned on when there is some INCR transfer happening
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* for the selection retrieval.
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*/
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[PropertyNotify] = propnotify,
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[SelectionRequest] = selrequest,
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};
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/* Globals */
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static DC dc;
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static XWindow xw;
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static XSelection xsel;
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static TermWindow win;
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enum window_state {
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WIN_VISIBLE = 1,
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WIN_FOCUSED = 2
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};
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/* Font Ring Cache */
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enum {
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FRC_NORMAL,
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FRC_ITALIC,
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FRC_BOLD,
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FRC_ITALICBOLD
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};
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typedef struct {
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XftFont *font;
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int flags;
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Rune unicodep;
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} Fontcache;
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/* Fontcache is an array now. A new font will be appended to the array. */
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static Fontcache frc[16];
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static int frclen = 0;
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static char *usedfont = NULL;
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static double usedfontsize = 0;
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static double defaultfontsize = 0;
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static char *opt_class = NULL;
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static char **opt_cmd = NULL;
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static char *opt_embed = NULL;
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static char *opt_font = NULL;
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static char *opt_io = NULL;
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static char *opt_line = NULL;
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static char *opt_name = NULL;
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static char *opt_title = NULL;
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void
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clipcopy(const Arg *dummy)
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{
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Atom clipboard;
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if (sel.clipboard != NULL)
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free(sel.clipboard);
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if (sel.primary != NULL) {
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sel.clipboard = xstrdup(sel.primary);
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clipboard = XInternAtom(xw.dpy, "CLIPBOARD", 0);
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XSetSelectionOwner(xw.dpy, clipboard, xw.win, CurrentTime);
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}
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}
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void
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clippaste(const Arg *dummy)
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{
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Atom clipboard;
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clipboard = XInternAtom(xw.dpy, "CLIPBOARD", 0);
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XConvertSelection(xw.dpy, clipboard, xsel.xtarget, clipboard,
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xw.win, CurrentTime);
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}
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void
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selpaste(const Arg *dummy)
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{
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XConvertSelection(xw.dpy, XA_PRIMARY, xsel.xtarget, XA_PRIMARY,
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xw.win, CurrentTime);
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}
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void
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zoom(const Arg *arg)
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{
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Arg larg;
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larg.f = usedfontsize + arg->f;
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zoomabs(&larg);
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}
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void
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zoomabs(const Arg *arg)
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{
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xunloadfonts();
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xloadfonts(usedfont, arg->f);
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cresize(0, 0);
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ttyresize(win.tw, win.th);
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redraw();
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xhints();
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}
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void
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zoomreset(const Arg *arg)
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{
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Arg larg;
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if (defaultfontsize > 0) {
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larg.f = defaultfontsize;
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zoomabs(&larg);
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}
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}
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int
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x2col(int x)
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{
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x -= borderpx;
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x /= win.cw;
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return LIMIT(x, 0, term.col-1);
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}
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int
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y2row(int y)
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{
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y -= borderpx;
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y /= win.ch;
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return LIMIT(y, 0, term.row-1);
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}
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void
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getbuttoninfo(XEvent *e)
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{
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int type;
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uint state = e->xbutton.state & ~(Button1Mask | forceselmod);
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sel.alt = IS_SET(MODE_ALTSCREEN);
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sel.oe.x = x2col(e->xbutton.x);
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sel.oe.y = y2row(e->xbutton.y);
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selnormalize();
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sel.type = SEL_REGULAR;
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for (type = 1; type < LEN(selmasks); ++type) {
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if (match(selmasks[type], state)) {
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sel.type = type;
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break;
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}
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}
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}
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void
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mousereport(XEvent *e)
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{
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int x = x2col(e->xbutton.x), y = y2row(e->xbutton.y),
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button = e->xbutton.button, state = e->xbutton.state,
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len;
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char buf[40];
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static int ox, oy;
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/* from urxvt */
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if (e->xbutton.type == MotionNotify) {
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if (x == ox && y == oy)
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return;
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if (!IS_SET(MODE_MOUSEMOTION) && !IS_SET(MODE_MOUSEMANY))
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return;
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/* MOUSE_MOTION: no reporting if no button is pressed */
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if (IS_SET(MODE_MOUSEMOTION) && oldbutton == 3)
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return;
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button = oldbutton + 32;
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ox = x;
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oy = y;
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} else {
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if (!IS_SET(MODE_MOUSESGR) && e->xbutton.type == ButtonRelease) {
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button = 3;
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} else {
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button -= Button1;
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if (button >= 3)
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button += 64 - 3;
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}
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if (e->xbutton.type == ButtonPress) {
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oldbutton = button;
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ox = x;
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oy = y;
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} else if (e->xbutton.type == ButtonRelease) {
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oldbutton = 3;
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/* MODE_MOUSEX10: no button release reporting */
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if (IS_SET(MODE_MOUSEX10))
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return;
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if (button == 64 || button == 65)
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return;
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}
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}
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if (!IS_SET(MODE_MOUSEX10)) {
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button += ((state & ShiftMask ) ? 4 : 0)
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+ ((state & Mod4Mask ) ? 8 : 0)
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+ ((state & ControlMask) ? 16 : 0);
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}
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if (IS_SET(MODE_MOUSESGR)) {
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len = snprintf(buf, sizeof(buf), "\033[<%d;%d;%d%c",
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button, x+1, y+1,
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e->xbutton.type == ButtonRelease ? 'm' : 'M');
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} else if (x < 223 && y < 223) {
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len = snprintf(buf, sizeof(buf), "\033[M%c%c%c",
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32+button, 32+x+1, 32+y+1);
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} else {
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return;
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}
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ttywrite(buf, len);
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}
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void
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bpress(XEvent *e)
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{
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struct timespec now;
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MouseShortcut *ms;
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if (IS_SET(MODE_MOUSE) && !(e->xbutton.state & forceselmod)) {
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mousereport(e);
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return;
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}
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for (ms = mshortcuts; ms < mshortcuts + LEN(mshortcuts); ms++) {
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if (e->xbutton.button == ms->b
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&& match(ms->mask, e->xbutton.state)) {
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ttysend(ms->s, strlen(ms->s));
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return;
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}
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}
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if (e->xbutton.button == Button1) {
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clock_gettime(CLOCK_MONOTONIC, &now);
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/* Clear previous selection, logically and visually. */
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selclear_(NULL);
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sel.mode = SEL_EMPTY;
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sel.type = SEL_REGULAR;
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sel.oe.x = sel.ob.x = x2col(e->xbutton.x);
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sel.oe.y = sel.ob.y = y2row(e->xbutton.y);
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/*
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* If the user clicks below predefined timeouts specific
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* snapping behaviour is exposed.
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*/
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if (TIMEDIFF(now, sel.tclick2) <= tripleclicktimeout) {
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sel.snap = SNAP_LINE;
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} else if (TIMEDIFF(now, sel.tclick1) <= doubleclicktimeout) {
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sel.snap = SNAP_WORD;
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} else {
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sel.snap = 0;
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}
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selnormalize();
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if (sel.snap != 0)
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sel.mode = SEL_READY;
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tsetdirt(sel.nb.y, sel.ne.y);
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sel.tclick2 = sel.tclick1;
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sel.tclick1 = now;
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}
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}
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void
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selcopy(Time t)
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{
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xsetsel(getsel(), t);
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}
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void
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propnotify(XEvent *e)
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{
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XPropertyEvent *xpev;
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Atom clipboard = XInternAtom(xw.dpy, "CLIPBOARD", 0);
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xpev = &e->xproperty;
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if (xpev->state == PropertyNewValue &&
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(xpev->atom == XA_PRIMARY ||
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xpev->atom == clipboard)) {
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selnotify(e);
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}
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}
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void
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selnotify(XEvent *e)
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{
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ulong nitems, ofs, rem;
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int format;
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uchar *data, *last, *repl;
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Atom type, incratom, property;
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incratom = XInternAtom(xw.dpy, "INCR", 0);
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ofs = 0;
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if (e->type == SelectionNotify) {
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property = e->xselection.property;
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} else if(e->type == PropertyNotify) {
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property = e->xproperty.atom;
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} else {
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return;
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}
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if (property == None)
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return;
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do {
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if (XGetWindowProperty(xw.dpy, xw.win, property, ofs,
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BUFSIZ/4, False, AnyPropertyType,
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&type, &format, &nitems, &rem,
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&data)) {
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fprintf(stderr, "Clipboard allocation failed\n");
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return;
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}
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if (e->type == PropertyNotify && nitems == 0 && rem == 0) {
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/*
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* If there is some PropertyNotify with no data, then
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* this is the signal of the selection owner that all
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* data has been transferred. We won't need to receive
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* PropertyNotify events anymore.
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*/
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MODBIT(xw.attrs.event_mask, 0, PropertyChangeMask);
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XChangeWindowAttributes(xw.dpy, xw.win, CWEventMask,
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&xw.attrs);
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}
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if (type == incratom) {
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/*
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* Activate the PropertyNotify events so we receive
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* when the selection owner does send us the next
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* chunk of data.
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*/
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MODBIT(xw.attrs.event_mask, 1, PropertyChangeMask);
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XChangeWindowAttributes(xw.dpy, xw.win, CWEventMask,
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&xw.attrs);
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/*
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* Deleting the property is the transfer start signal.
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*/
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XDeleteProperty(xw.dpy, xw.win, (int)property);
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continue;
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}
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/*
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* As seen in getsel:
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* Line endings are inconsistent in the terminal and GUI world
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* copy and pasting. When receiving some selection data,
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* replace all '\n' with '\r'.
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* FIXME: Fix the computer world.
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*/
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repl = data;
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last = data + nitems * format / 8;
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while ((repl = memchr(repl, '\n', last - repl))) {
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*repl++ = '\r';
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}
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if (IS_SET(MODE_BRCKTPASTE) && ofs == 0)
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ttywrite("\033[200~", 6);
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ttysend((char *)data, nitems * format / 8);
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if (IS_SET(MODE_BRCKTPASTE) && rem == 0)
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ttywrite("\033[201~", 6);
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XFree(data);
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/* number of 32-bit chunks returned */
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ofs += nitems * format / 32;
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} while (rem > 0);
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/*
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* Deleting the property again tells the selection owner to send the
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* next data chunk in the property.
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*/
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XDeleteProperty(xw.dpy, xw.win, (int)property);
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}
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void
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xclipcopy(void)
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{
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clipcopy(NULL);
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}
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void
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selclear_(XEvent *e)
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{
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selclear();
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}
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void
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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 = sel.primary;
|
|
} else if (xsre->selection == clipboard) {
|
|
seltext = sel.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
|
|
xsetsel(char *str, Time t)
|
|
{
|
|
free(sel.primary);
|
|
sel.primary = str;
|
|
|
|
XSetSelectionOwner(xw.dpy, XA_PRIMARY, xw.win, t);
|
|
if (XGetSelectionOwner(xw.dpy, XA_PRIMARY) != xw.win)
|
|
selclear_(NULL);
|
|
}
|
|
|
|
void
|
|
brelease(XEvent *e)
|
|
{
|
|
if (IS_SET(MODE_MOUSE) && !(e->xbutton.state & forceselmod)) {
|
|
mousereport(e);
|
|
return;
|
|
}
|
|
|
|
if (e->xbutton.button == Button2) {
|
|
selpaste(NULL);
|
|
} else if (e->xbutton.button == Button1) {
|
|
if (sel.mode == SEL_READY) {
|
|
getbuttoninfo(e);
|
|
selcopy(e->xbutton.time);
|
|
} else
|
|
selclear_(NULL);
|
|
sel.mode = SEL_IDLE;
|
|
tsetdirt(sel.nb.y, sel.ne.y);
|
|
}
|
|
}
|
|
|
|
void
|
|
bmotion(XEvent *e)
|
|
{
|
|
int oldey, oldex, oldsby, oldsey;
|
|
|
|
if (IS_SET(MODE_MOUSE) && !(e->xbutton.state & forceselmod)) {
|
|
mousereport(e);
|
|
return;
|
|
}
|
|
|
|
if (!sel.mode)
|
|
return;
|
|
|
|
sel.mode = SEL_READY;
|
|
oldey = sel.oe.y;
|
|
oldex = sel.oe.x;
|
|
oldsby = sel.nb.y;
|
|
oldsey = sel.ne.y;
|
|
getbuttoninfo(e);
|
|
|
|
if (oldey != sel.oe.y || oldex != sel.oe.x)
|
|
tsetdirt(MIN(sel.nb.y, oldsby), MAX(sel.ne.y, oldsey));
|
|
}
|
|
|
|
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;
|
|
|
|
tresize(col, row);
|
|
xresize(col, row);
|
|
}
|
|
|
|
void
|
|
xresize(int col, int row)
|
|
{
|
|
win.tw = MAX(1, col * win.cw);
|
|
win.th = MAX(1, row * win.ch);
|
|
|
|
XFreePixmap(xw.dpy, xw.buf);
|
|
xw.buf = XCreatePixmap(xw.dpy, xw.win, win.w, win.h,
|
|
DefaultDepth(xw.dpy, xw.scr));
|
|
XftDrawChange(xw.draw, xw.buf);
|
|
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);
|
|
}
|
|
|
|
void
|
|
xloadcols(void)
|
|
{
|
|
int i;
|
|
static int loaded;
|
|
Color *cp;
|
|
|
|
dc.collen = MAX(LEN(colorname), 256);
|
|
dc.col = xmalloc(dc.collen * sizeof(Color));
|
|
|
|
if (loaded) {
|
|
for (cp = dc.col; cp < &dc.col[dc.collen]; ++cp)
|
|
XftColorFree(xw.dpy, xw.vis, xw.cmap, cp);
|
|
}
|
|
|
|
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);
|
|
}
|
|
loaded = 1;
|
|
}
|
|
|
|
int
|
|
xsetcolorname(int x, const char *name)
|
|
{
|
|
Color ncolor;
|
|
|
|
if (!BETWEEN(x, 0, dc.collen))
|
|
return 1;
|
|
|
|
|
|
if (!xloadcolor(x, name, &ncolor))
|
|
return 1;
|
|
|
|
XftColorFree(xw.dpy, xw.vis, xw.cmap, &dc.col[x]);
|
|
dc.col[x] = ncolor;
|
|
|
|
return 0;
|
|
}
|
|
|
|
/*
|
|
* Absolute coordinates.
|
|
*/
|
|
void
|
|
xclear(int x1, int y1, int x2, int y2)
|
|
{
|
|
XftDrawRect(xw.draw,
|
|
&dc.col[IS_SET(MODE_REVERSE)? defaultfg : defaultbg],
|
|
x1, y1, x2-x1, y2-y1);
|
|
}
|
|
|
|
void
|
|
xhints(void)
|
|
{
|
|
XClassHint class = {opt_name ? opt_name : termname,
|
|
opt_class ? opt_class : termname};
|
|
XWMHints wm = {.flags = InputHint, .input = 1};
|
|
XSizeHints *sizeh = NULL;
|
|
|
|
sizeh = XAllocSizeHints();
|
|
|
|
sizeh->flags = PSize | PResizeInc | PBaseSize;
|
|
sizeh->height = win.h;
|
|
sizeh->width = win.w;
|
|
sizeh->height_inc = win.ch;
|
|
sizeh->width_inc = win.cw;
|
|
sizeh->base_height = 2 * borderpx;
|
|
sizeh->base_width = 2 * borderpx;
|
|
if (xw.isfixed) {
|
|
sizeh->flags |= PMaxSize | PMinSize;
|
|
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
|
|
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);
|
|
|
|
match = FcFontMatch(NULL, configured, &result);
|
|
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("st: 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("st: 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;
|
|
f->width = DIVCEIL(extents.xOff, strlen(ascii_printable));
|
|
|
|
return 0;
|
|
}
|
|
|
|
void
|
|
xloadfonts(char *fontstr, double fontsize)
|
|
{
|
|
FcPattern *pattern;
|
|
double fontval;
|
|
float ceilf(float);
|
|
|
|
if (fontstr[0] == '-') {
|
|
pattern = XftXlfdParse(fontstr, False, False);
|
|
} else {
|
|
pattern = FcNameParse((FcChar8 *)fontstr);
|
|
}
|
|
|
|
if (!pattern)
|
|
die("st: 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("st: 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);
|
|
|
|
FcPatternDel(pattern, FC_SLANT);
|
|
FcPatternAddInteger(pattern, FC_SLANT, FC_SLANT_ITALIC);
|
|
if (xloadfont(&dc.ifont, pattern))
|
|
die("st: can't open font %s\n", fontstr);
|
|
|
|
FcPatternDel(pattern, FC_WEIGHT);
|
|
FcPatternAddInteger(pattern, FC_WEIGHT, FC_WEIGHT_BOLD);
|
|
if (xloadfont(&dc.ibfont, pattern))
|
|
die("st: can't open font %s\n", fontstr);
|
|
|
|
FcPatternDel(pattern, FC_SLANT);
|
|
FcPatternAddInteger(pattern, FC_SLANT, FC_SLANT_ROMAN);
|
|
if (xloadfont(&dc.bfont, pattern))
|
|
die("st: 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)
|
|
{
|
|
/* 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(void)
|
|
{
|
|
XGCValues gcvalues;
|
|
Cursor cursor;
|
|
Window parent;
|
|
pid_t thispid = getpid();
|
|
XColor xmousefg, xmousebg;
|
|
|
|
if (!(xw.dpy = XOpenDisplay(NULL)))
|
|
die("Can't open display\n");
|
|
xw.scr = XDefaultScreen(xw.dpy);
|
|
xw.vis = XDefaultVisual(xw.dpy, xw.scr);
|
|
|
|
/* font */
|
|
if (!FcInit())
|
|
die("Could not init fontconfig.\n");
|
|
|
|
usedfont = (opt_font == NULL)? font : opt_font;
|
|
xloadfonts(usedfont, 0);
|
|
|
|
/* colors */
|
|
xw.cmap = XDefaultColormap(xw.dpy, xw.scr);
|
|
xloadcols();
|
|
|
|
/* adjust fixed window geometry */
|
|
win.w = 2 * borderpx + term.col * win.cw;
|
|
win.h = 2 * borderpx + term.row * win.ch;
|
|
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
|
|
| ExposureMask | VisibilityChangeMask | StructureNotifyMask
|
|
| ButtonMotionMask | ButtonPressMask | ButtonReleaseMask;
|
|
xw.attrs.colormap = xw.cmap;
|
|
|
|
if (!(opt_embed && (parent = strtol(opt_embed, NULL, 0))))
|
|
parent = XRootWindow(xw.dpy, xw.scr);
|
|
xw.win = XCreateWindow(xw.dpy, parent, xw.l, xw.t,
|
|
win.w, win.h, 0, XDefaultDepth(xw.dpy, xw.scr), InputOutput,
|
|
xw.vis, CWBackPixel | CWBorderPixel | CWBitGravity
|
|
| CWEventMask | CWColormap, &xw.attrs);
|
|
|
|
memset(&gcvalues, 0, sizeof(gcvalues));
|
|
gcvalues.graphics_exposures = False;
|
|
dc.gc = XCreateGC(xw.dpy, parent, GCGraphicsExposures,
|
|
&gcvalues);
|
|
xw.buf = XCreatePixmap(xw.dpy, xw.win, win.w, win.h,
|
|
DefaultDepth(xw.dpy, xw.scr));
|
|
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(term.col * sizeof(GlyphFontSpec));
|
|
|
|
/* Xft rendering context */
|
|
xw.draw = XftDrawCreate(xw.dpy, xw.buf, xw.vis, xw.cmap);
|
|
|
|
/* input methods */
|
|
if ((xw.xim = XOpenIM(xw.dpy, NULL, NULL, NULL)) == NULL) {
|
|
XSetLocaleModifiers("@im=local");
|
|
if ((xw.xim = XOpenIM(xw.dpy, NULL, NULL, NULL)) == NULL) {
|
|
XSetLocaleModifiers("@im=");
|
|
if ((xw.xim = XOpenIM(xw.dpy,
|
|
NULL, NULL, NULL)) == NULL) {
|
|
die("XOpenIM failed. Could not open input"
|
|
" device.\n");
|
|
}
|
|
}
|
|
}
|
|
xw.xic = XCreateIC(xw.xim, XNInputStyle, XIMPreeditNothing
|
|
| XIMStatusNothing, XNClientWindow, xw.win,
|
|
XNFocusWindow, xw.win, NULL);
|
|
if (xw.xic == NULL)
|
|
die("XCreateIC failed. Could not obtain input method.\n");
|
|
|
|
/* white cursor, black outline */
|
|
cursor = XCreateFontCursor(xw.dpy, mouseshape);
|
|
XDefineCursor(xw.dpy, xw.win, cursor);
|
|
|
|
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;
|
|
}
|
|
|
|
XRecolorCursor(xw.dpy, cursor, &xmousefg, &xmousebg);
|
|
|
|
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);
|
|
XSetWMProtocols(xw.dpy, xw.win, &xw.wmdeletewin, 1);
|
|
|
|
xw.netwmpid = XInternAtom(xw.dpy, "_NET_WM_PID", False);
|
|
XChangeProperty(xw.dpy, xw.win, xw.netwmpid, XA_CARDINAL, 32,
|
|
PropModeReplace, (uchar *)&thispid, 1);
|
|
|
|
resettitle();
|
|
XMapWindow(xw.dpy, xw.win);
|
|
xhints();
|
|
XSync(xw.dpy, False);
|
|
|
|
xsel.xtarget = XInternAtom(xw.dpy, "UTF8_STRING", 0);
|
|
if (xsel.xtarget == None)
|
|
xsel.xtarget = XA_STRING;
|
|
}
|
|
|
|
int
|
|
xmakeglyphfontspecs(XftGlyphFontSpec *specs, const Glyph *glyphs, int len, int x, int y)
|
|
{
|
|
float winx = borderpx + x * win.cw, winy = borderpx + y * win.ch, xp, yp;
|
|
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;
|
|
|
|
for (i = 0, xp = winx, yp = winy + font->ascent; i < len; ++i) {
|
|
/* Fetch rune and mode for current glyph. */
|
|
rune = glyphs[i].u;
|
|
mode = glyphs[i].mode;
|
|
|
|
/* Skip dummy wide-character spacing. */
|
|
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;
|
|
}
|
|
yp = winy + font->ascent;
|
|
}
|
|
|
|
/* Lookup character index with default font. */
|
|
glyphidx = XftCharIndex(xw.dpy, font->match, rune);
|
|
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);
|
|
|
|
FcConfigSubstitute(0, fcpattern,
|
|
FcMatchPattern);
|
|
FcDefaultSubstitute(fcpattern);
|
|
|
|
fontpattern = FcFontSetMatch(0, fcsets, 1,
|
|
fcpattern, &fcres);
|
|
|
|
/*
|
|
* Overwrite or create the new cache entry.
|
|
*/
|
|
if (frclen >= LEN(frc)) {
|
|
frclen = LEN(frc) - 1;
|
|
XftFontClose(xw.dpy, frc[frclen].font);
|
|
frc[frclen].unicodep = 0;
|
|
}
|
|
|
|
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++;
|
|
}
|
|
|
|
return numspecs;
|
|
}
|
|
|
|
void
|
|
xdrawglyphfontspecs(const XftGlyphFontSpec *specs, Glyph base, int len, int x, int y)
|
|
{
|
|
int charlen = len * ((base.mode & ATTR_WIDE) ? 2 : 1);
|
|
int winx = borderpx + x * win.cw, winy = borderpx + y * win.ch,
|
|
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];
|
|
}
|
|
|
|
/* 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];
|
|
|
|
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) {
|
|
temp = fg;
|
|
fg = bg;
|
|
bg = temp;
|
|
}
|
|
|
|
if (base.mode & ATTR_BLINK && term.mode & MODE_BLINK)
|
|
fg = bg;
|
|
|
|
if (base.mode & ATTR_INVISIBLE)
|
|
fg = bg;
|
|
|
|
/* Intelligent cleaning up of the borders. */
|
|
if (x == 0) {
|
|
xclear(0, (y == 0)? 0 : winy, borderpx,
|
|
winy + win.ch + ((y >= term.row-1)? win.h : 0));
|
|
}
|
|
if (x + charlen >= term.col) {
|
|
xclear(winx + width, (y == 0)? 0 : winy, win.w,
|
|
((y >= term.row-1)? win.h : (winy + win.ch)));
|
|
}
|
|
if (y == 0)
|
|
xclear(winx, 0, winx + width, borderpx);
|
|
if (y == term.row-1)
|
|
xclear(winx, winy + win.ch, winx + width, win.h);
|
|
|
|
/* Clean up the region we want to draw to. */
|
|
XftDrawRect(xw.draw, bg, winx, winy, width, win.ch);
|
|
|
|
/* 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);
|
|
|
|
/* Render the glyphs. */
|
|
XftDrawGlyphFontSpec(xw.draw, fg, specs, len);
|
|
|
|
/* Render underline and strikethrough. */
|
|
if (base.mode & ATTR_UNDERLINE) {
|
|
XftDrawRect(xw.draw, fg, winx, winy + dc.font.ascent + 1,
|
|
width, 1);
|
|
}
|
|
|
|
if (base.mode & ATTR_STRUCK) {
|
|
XftDrawRect(xw.draw, fg, winx, winy + 2 * dc.font.ascent / 3,
|
|
width, 1);
|
|
}
|
|
|
|
/* 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);
|
|
xdrawglyphfontspecs(&spec, g, numspecs, x, y);
|
|
}
|
|
|
|
void
|
|
xdrawcursor(void)
|
|
{
|
|
static int oldx = 0, oldy = 0;
|
|
int curx;
|
|
Glyph g = {' ', ATTR_NULL, defaultbg, defaultcs}, og;
|
|
int ena_sel = sel.ob.x != -1 && sel.alt == IS_SET(MODE_ALTSCREEN);
|
|
Color drawcol;
|
|
|
|
LIMIT(oldx, 0, term.col-1);
|
|
LIMIT(oldy, 0, term.row-1);
|
|
|
|
curx = term.c.x;
|
|
|
|
/* adjust position if in dummy */
|
|
if (term.line[oldy][oldx].mode & ATTR_WDUMMY)
|
|
oldx--;
|
|
if (term.line[term.c.y][curx].mode & ATTR_WDUMMY)
|
|
curx--;
|
|
|
|
/* remove the old cursor */
|
|
og = term.line[oldy][oldx];
|
|
if (ena_sel && selected(oldx, oldy))
|
|
og.mode ^= ATTR_REVERSE;
|
|
xdrawglyph(og, oldx, oldy);
|
|
|
|
g.u = term.line[term.c.y][term.c.x].u;
|
|
g.mode |= term.line[term.c.y][term.c.x].mode &
|
|
(ATTR_BOLD | ATTR_ITALIC | ATTR_UNDERLINE | ATTR_STRUCK);
|
|
|
|
/*
|
|
* Select the right color for the right mode.
|
|
*/
|
|
if (IS_SET(MODE_REVERSE)) {
|
|
g.mode |= ATTR_REVERSE;
|
|
g.bg = defaultfg;
|
|
if (ena_sel && selected(term.c.x, term.c.y)) {
|
|
drawcol = dc.col[defaultcs];
|
|
g.fg = defaultrcs;
|
|
} else {
|
|
drawcol = dc.col[defaultrcs];
|
|
g.fg = defaultcs;
|
|
}
|
|
} else {
|
|
if (ena_sel && selected(term.c.x, term.c.y)) {
|
|
drawcol = dc.col[defaultrcs];
|
|
g.fg = defaultfg;
|
|
g.bg = defaultrcs;
|
|
} else {
|
|
drawcol = dc.col[defaultcs];
|
|
}
|
|
}
|
|
|
|
if (IS_SET(MODE_HIDE))
|
|
return;
|
|
|
|
/* draw the new one */
|
|
if (win.state & WIN_FOCUSED) {
|
|
switch (win.cursor) {
|
|
case 7: /* st extension: snowman */
|
|
utf8decode("☃", &g.u, UTF_SIZ);
|
|
case 0: /* Blinking Block */
|
|
case 1: /* Blinking Block (Default) */
|
|
case 2: /* Steady Block */
|
|
g.mode |= term.line[term.c.y][curx].mode & ATTR_WIDE;
|
|
xdrawglyph(g, term.c.x, term.c.y);
|
|
break;
|
|
case 3: /* Blinking Underline */
|
|
case 4: /* Steady Underline */
|
|
XftDrawRect(xw.draw, &drawcol,
|
|
borderpx + curx * win.cw,
|
|
borderpx + (term.c.y + 1) * win.ch - \
|
|
cursorthickness,
|
|
win.cw, cursorthickness);
|
|
break;
|
|
case 5: /* Blinking bar */
|
|
case 6: /* Steady bar */
|
|
XftDrawRect(xw.draw, &drawcol,
|
|
borderpx + curx * win.cw,
|
|
borderpx + term.c.y * win.ch,
|
|
cursorthickness, win.ch);
|
|
break;
|
|
}
|
|
} else {
|
|
XftDrawRect(xw.draw, &drawcol,
|
|
borderpx + curx * win.cw,
|
|
borderpx + term.c.y * win.ch,
|
|
win.cw - 1, 1);
|
|
XftDrawRect(xw.draw, &drawcol,
|
|
borderpx + curx * win.cw,
|
|
borderpx + term.c.y * win.ch,
|
|
1, win.ch - 1);
|
|
XftDrawRect(xw.draw, &drawcol,
|
|
borderpx + (curx + 1) * win.cw - 1,
|
|
borderpx + term.c.y * win.ch,
|
|
1, win.ch - 1);
|
|
XftDrawRect(xw.draw, &drawcol,
|
|
borderpx + curx * win.cw,
|
|
borderpx + (term.c.y + 1) * win.ch - 1,
|
|
win.cw, 1);
|
|
}
|
|
oldx = curx, oldy = term.c.y;
|
|
}
|
|
|
|
void
|
|
xsetenv(void)
|
|
{
|
|
char buf[sizeof(long) * 8 + 1];
|
|
|
|
snprintf(buf, sizeof(buf), "%lu", xw.win);
|
|
setenv("WINDOWID", buf, 1);
|
|
}
|
|
|
|
void
|
|
xsettitle(char *p)
|
|
{
|
|
XTextProperty prop;
|
|
DEFAULT(p, "st");
|
|
|
|
Xutf8TextListToTextProperty(xw.dpy, &p, 1, XUTF8StringStyle,
|
|
&prop);
|
|
XSetWMName(xw.dpy, xw.win, &prop);
|
|
XSetTextProperty(xw.dpy, xw.win, &prop, xw.netwmname);
|
|
XFree(prop.value);
|
|
}
|
|
|
|
void
|
|
draw(void)
|
|
{
|
|
drawregion(0, 0, term.col, term.row);
|
|
XCopyArea(xw.dpy, xw.buf, xw.win, dc.gc, 0, 0, win.w,
|
|
win.h, 0, 0);
|
|
XSetForeground(xw.dpy, dc.gc,
|
|
dc.col[IS_SET(MODE_REVERSE)?
|
|
defaultfg : defaultbg].pixel);
|
|
}
|
|
|
|
void
|
|
drawregion(int x1, int y1, int x2, int y2)
|
|
{
|
|
int i, x, y, ox, numspecs;
|
|
Glyph base, new;
|
|
XftGlyphFontSpec *specs;
|
|
int ena_sel = sel.ob.x != -1 && sel.alt == IS_SET(MODE_ALTSCREEN);
|
|
|
|
if (!(win.state & WIN_VISIBLE))
|
|
return;
|
|
|
|
for (y = y1; y < y2; y++) {
|
|
if (!term.dirty[y])
|
|
continue;
|
|
|
|
term.dirty[y] = 0;
|
|
|
|
specs = xw.specbuf;
|
|
numspecs = xmakeglyphfontspecs(specs, &term.line[y][x1], x2 - x1, x1, y);
|
|
|
|
i = ox = 0;
|
|
for (x = x1; x < x2 && i < numspecs; x++) {
|
|
new = term.line[y][x];
|
|
if (new.mode == ATTR_WDUMMY)
|
|
continue;
|
|
if (ena_sel && selected(x, y))
|
|
new.mode ^= ATTR_REVERSE;
|
|
if (i > 0 && ATTRCMP(base, new)) {
|
|
xdrawglyphfontspecs(specs, base, i, ox, y);
|
|
specs += i;
|
|
numspecs -= i;
|
|
i = 0;
|
|
}
|
|
if (i == 0) {
|
|
ox = x;
|
|
base = new;
|
|
}
|
|
i++;
|
|
}
|
|
if (i > 0)
|
|
xdrawglyphfontspecs(specs, base, i, ox, y);
|
|
}
|
|
xdrawcursor();
|
|
}
|
|
|
|
void
|
|
expose(XEvent *ev)
|
|
{
|
|
redraw();
|
|
}
|
|
|
|
void
|
|
visibility(XEvent *ev)
|
|
{
|
|
XVisibilityEvent *e = &ev->xvisibility;
|
|
|
|
MODBIT(win.state, e->state != VisibilityFullyObscured, WIN_VISIBLE);
|
|
}
|
|
|
|
void
|
|
unmap(XEvent *ev)
|
|
{
|
|
win.state &= ~WIN_VISIBLE;
|
|
}
|
|
|
|
void
|
|
xsetpointermotion(int set)
|
|
{
|
|
MODBIT(xw.attrs.event_mask, set, PointerMotionMask);
|
|
XChangeWindowAttributes(xw.dpy, xw.win, CWEventMask, &xw.attrs);
|
|
}
|
|
|
|
int
|
|
xsetcursor(int cursor)
|
|
{
|
|
DEFAULT(cursor, 1);
|
|
if (!BETWEEN(cursor, 0, 6))
|
|
return 1;
|
|
win.cursor = cursor;
|
|
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 (!(win.state & WIN_FOCUSED))
|
|
xseturgency(1);
|
|
if (bellvolume)
|
|
XkbBell(xw.dpy, xw.win, bellvolume, (Atom)NULL);
|
|
}
|
|
|
|
void
|
|
focus(XEvent *ev)
|
|
{
|
|
XFocusChangeEvent *e = &ev->xfocus;
|
|
|
|
if (e->mode == NotifyGrab)
|
|
return;
|
|
|
|
if (ev->type == FocusIn) {
|
|
XSetICFocus(xw.xic);
|
|
win.state |= WIN_FOCUSED;
|
|
xseturgency(0);
|
|
if (IS_SET(MODE_FOCUS))
|
|
ttywrite("\033[I", 3);
|
|
} else {
|
|
XUnsetICFocus(xw.xic);
|
|
win.state &= ~WIN_FOCUSED;
|
|
if (IS_SET(MODE_FOCUS))
|
|
ttywrite("\033[O", 3);
|
|
}
|
|
}
|
|
|
|
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 (term.numlock && kp->appkey == 2)
|
|
continue;
|
|
|
|
if (IS_SET(MODE_APPCURSOR) ? kp->appcursor < 0 : kp->appcursor > 0)
|
|
continue;
|
|
|
|
if (IS_SET(MODE_CRLF) ? kp->crlf < 0 : kp->crlf > 0)
|
|
continue;
|
|
|
|
return kp->s;
|
|
}
|
|
|
|
return NULL;
|
|
}
|
|
|
|
void
|
|
kpress(XEvent *ev)
|
|
{
|
|
XKeyEvent *e = &ev->xkey;
|
|
KeySym ksym;
|
|
char buf[32], *customkey;
|
|
int len;
|
|
Rune c;
|
|
Status status;
|
|
Shortcut *bp;
|
|
|
|
if (IS_SET(MODE_KBDLOCK))
|
|
return;
|
|
|
|
len = XmbLookupString(xw.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)) {
|
|
bp->func(&(bp->arg));
|
|
return;
|
|
}
|
|
}
|
|
|
|
/* 2. custom keys from config.h */
|
|
if ((customkey = kmap(ksym, e->state))) {
|
|
ttysend(customkey, strlen(customkey));
|
|
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;
|
|
}
|
|
}
|
|
ttysend(buf, len);
|
|
}
|
|
|
|
|
|
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.state |= WIN_FOCUSED;
|
|
xseturgency(0);
|
|
} else if (e->xclient.data.l[1] == XEMBED_FOCUS_OUT) {
|
|
win.state &= ~WIN_FOCUSED;
|
|
}
|
|
} else if (e->xclient.data.l[0] == xw.wmdeletewin) {
|
|
/* Send SIGHUP to shell */
|
|
kill(pid, SIGHUP);
|
|
exit(0);
|
|
}
|
|
}
|
|
|
|
void
|
|
resize(XEvent *e)
|
|
{
|
|
if (e->xconfigure.width == win.w && e->xconfigure.height == win.h)
|
|
return;
|
|
|
|
cresize(e->xconfigure.width, e->xconfigure.height);
|
|
ttyresize(win.tw, win.th);
|
|
}
|
|
|
|
void
|
|
run(void)
|
|
{
|
|
XEvent ev;
|
|
int w = win.w, h = win.h;
|
|
fd_set rfd;
|
|
int xfd = XConnectionNumber(xw.dpy), xev, blinkset = 0, dodraw = 0;
|
|
struct timespec drawtimeout, *tv = NULL, now, last, lastblink;
|
|
long deltatime;
|
|
|
|
/* 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);
|
|
|
|
cresize(w, h);
|
|
ttynew(opt_line, opt_io, opt_cmd);
|
|
ttyresize(win.tw, win.th);
|
|
|
|
clock_gettime(CLOCK_MONOTONIC, &last);
|
|
lastblink = last;
|
|
|
|
for (xev = actionfps;;) {
|
|
FD_ZERO(&rfd);
|
|
FD_SET(cmdfd, &rfd);
|
|
FD_SET(xfd, &rfd);
|
|
|
|
if (pselect(MAX(xfd, cmdfd)+1, &rfd, NULL, NULL, tv, NULL) < 0) {
|
|
if (errno == EINTR)
|
|
continue;
|
|
die("select failed: %s\n", strerror(errno));
|
|
}
|
|
if (FD_ISSET(cmdfd, &rfd)) {
|
|
ttyread();
|
|
if (blinktimeout) {
|
|
blinkset = tattrset(ATTR_BLINK);
|
|
if (!blinkset)
|
|
MODBIT(term.mode, 0, MODE_BLINK);
|
|
}
|
|
}
|
|
|
|
if (FD_ISSET(xfd, &rfd))
|
|
xev = actionfps;
|
|
|
|
clock_gettime(CLOCK_MONOTONIC, &now);
|
|
drawtimeout.tv_sec = 0;
|
|
drawtimeout.tv_nsec = (1000 * 1E6)/ xfps;
|
|
tv = &drawtimeout;
|
|
|
|
dodraw = 0;
|
|
if (blinktimeout && TIMEDIFF(now, lastblink) > blinktimeout) {
|
|
tsetdirtattr(ATTR_BLINK);
|
|
term.mode ^= MODE_BLINK;
|
|
lastblink = now;
|
|
dodraw = 1;
|
|
}
|
|
deltatime = TIMEDIFF(now, last);
|
|
if (deltatime > 1000 / (xev ? xfps : actionfps)) {
|
|
dodraw = 1;
|
|
last = now;
|
|
}
|
|
|
|
if (dodraw) {
|
|
while (XPending(xw.dpy)) {
|
|
XNextEvent(xw.dpy, &ev);
|
|
if (XFilterEvent(&ev, None))
|
|
continue;
|
|
if (handler[ev.type])
|
|
(handler[ev.type])(&ev);
|
|
}
|
|
|
|
draw();
|
|
XFlush(xw.dpy);
|
|
|
|
if (xev && !FD_ISSET(xfd, &rfd))
|
|
xev--;
|
|
if (!FD_ISSET(cmdfd, &rfd) && !FD_ISSET(xfd, &rfd)) {
|
|
if (blinkset) {
|
|
if (TIMEDIFF(now, lastblink) \
|
|
> blinktimeout) {
|
|
drawtimeout.tv_nsec = 1000;
|
|
} else {
|
|
drawtimeout.tv_nsec = (1E6 * \
|
|
(blinktimeout - \
|
|
TIMEDIFF(now,
|
|
lastblink)));
|
|
}
|
|
drawtimeout.tv_sec = \
|
|
drawtimeout.tv_nsec / 1E9;
|
|
drawtimeout.tv_nsec %= (long)1E9;
|
|
} else {
|
|
tv = NULL;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
void
|
|
usage(void)
|
|
{
|
|
die("usage: %s [-aiv] [-c class] [-f font] [-g geometry]"
|
|
" [-n name] [-o file]\n"
|
|
" [-T title] [-t title] [-w windowid]"
|
|
" [[-e] command [args ...]]\n"
|
|
" %s [-aiv] [-c class] [-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;
|
|
win.cursor = cursorshape;
|
|
|
|
ARGBEGIN {
|
|
case 'a':
|
|
allowaltscreen = 0;
|
|
break;
|
|
case 'c':
|
|
opt_class = EARGF(usage());
|
|
break;
|
|
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 " (c) 2010-2016 st engineers\n", argv0);
|
|
break;
|
|
default:
|
|
usage();
|
|
} ARGEND;
|
|
|
|
run:
|
|
if (argc > 0) {
|
|
/* eat all remaining arguments */
|
|
opt_cmd = argv;
|
|
if (!opt_title && !opt_line)
|
|
opt_title = basename(xstrdup(argv[0]));
|
|
}
|
|
setlocale(LC_CTYPE, "");
|
|
XSetLocaleModifiers("");
|
|
tnew(MAX(cols, 1), MAX(rows, 1));
|
|
xinit();
|
|
xsetenv();
|
|
selinit();
|
|
run();
|
|
|
|
return 0;
|
|
}
|