mirror of
https://github.com/mintycube/st.git
synced 2024-09-20 02:55:55 +02:00
3eb170a9a5
The openurlonclick and scrollback patches are now working together, so links can be clicked in the scrollback buffer too. This update also adds url underlining and other improvements to the openurlonclick patch. The full list of changes in the openurlonclick patch: - Adds scrollback support - Adds modkey option - Better url detection - Underlines url when the mouse pointer is over a link - Opens a browser as a background process, so it won't lock the terminal anymore - Fixes a segmentation fault bug
383 lines
9.1 KiB
C
383 lines
9.1 KiB
C
/* See LICENSE for license details. */
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#include <stdint.h>
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#include <sys/types.h>
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#include <X11/Xatom.h>
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#include <X11/Xlib.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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#include "patches.h"
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/* macros */
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#define MIN(a, b) ((a) < (b) ? (a) : (b))
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#define MAX(a, b) ((a) < (b) ? (b) : (a))
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#define LEN(a) (sizeof(a) / sizeof(a)[0])
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#define BETWEEN(x, a, b) ((a) <= (x) && (x) <= (b))
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#if VIM_BROWSE_PATCH
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#define OUT(x, a, b) ((a) <= (x) || (x) <= (b))
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#endif // VIM_BROWSE_PATCH
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#define DIVCEIL(n, d) (((n) + ((d) - 1)) / (d))
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#define DEFAULT(a, b) (a) = (a) ? (a) : (b)
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#define LIMIT(x, a, b) (x) = (x) < (a) ? (a) : (x) > (b) ? (b) : (x)
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#if LIGATURES_PATCH
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#define ATTRCMP(a, b) (((a).mode & (~ATTR_WRAP) & (~ATTR_LIGA)) != ((b).mode & (~ATTR_WRAP) & (~ATTR_LIGA)) || \
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(a).fg != (b).fg || \
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(a).bg != (b).bg)
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#else
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#define ATTRCMP(a, b) ((a).mode != (b).mode || (a).fg != (b).fg || \
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(a).bg != (b).bg)
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#endif // LIGATURES_PATCH
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#define TIMEDIFF(t1, t2) ((t1.tv_sec-t2.tv_sec)*1000 + \
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(t1.tv_nsec-t2.tv_nsec)/1E6)
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#define MODBIT(x, set, bit) ((set) ? ((x) |= (bit)) : ((x) &= ~(bit)))
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#define TRUECOLOR(r,g,b) (1 << 24 | (r) << 16 | (g) << 8 | (b))
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#define IS_TRUECOL(x) (1 << 24 & (x))
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#if SCROLLBACK_PATCH
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#define HISTSIZE 2000
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#endif // SCROLLBACK_PATCH
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enum glyph_attribute {
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ATTR_NULL = 0,
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ATTR_BOLD = 1 << 0,
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ATTR_FAINT = 1 << 1,
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ATTR_ITALIC = 1 << 2,
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ATTR_UNDERLINE = 1 << 3,
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ATTR_BLINK = 1 << 4,
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ATTR_REVERSE = 1 << 5,
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ATTR_INVISIBLE = 1 << 6,
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ATTR_STRUCK = 1 << 7,
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ATTR_WRAP = 1 << 8,
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ATTR_WIDE = 1 << 9,
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ATTR_WDUMMY = 1 << 10,
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#if BOXDRAW_PATCH
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ATTR_BOXDRAW = 1 << 11,
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#endif // BOXDRAW_PATCH
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#if LIGATURES_PATCH
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ATTR_LIGA = 1 << 12,
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#endif // LIGATURES_PATCH
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#if SIXEL_PATCH
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ATTR_SIXEL = 1 << 13,
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#endif // SIXEL_PATCH
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ATTR_BOLD_FAINT = ATTR_BOLD | ATTR_FAINT,
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#if UNDERCURL_PATCH
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ATTR_DIRTYUNDERLINE = 1 << 15,
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#endif // UNDERCURL_PATCH
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};
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#if SIXEL_PATCH
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typedef struct _ImageList {
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struct _ImageList *next, *prev;
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unsigned char *pixels;
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void *pixmap;
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int width;
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int height;
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int x;
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int y;
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int should_delete;
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} ImageList;
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#endif // SIXEL_PATCH
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#if WIDE_GLYPHS_PATCH
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enum drawing_mode {
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DRAW_NONE = 0,
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DRAW_BG = 1 << 0,
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DRAW_FG = 1 << 1,
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};
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#endif // WIDE_GLYPHS_PATCH
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enum selection_mode {
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SEL_IDLE = 0,
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SEL_EMPTY = 1,
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SEL_READY = 2
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};
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enum selection_type {
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SEL_REGULAR = 1,
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SEL_RECTANGULAR = 2
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};
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enum selection_snap {
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SNAP_WORD = 1,
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SNAP_LINE = 2
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};
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typedef unsigned char uchar;
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typedef unsigned int uint;
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typedef unsigned long ulong;
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typedef unsigned short ushort;
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typedef uint_least32_t Rune;
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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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#define Glyph Glyph_
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typedef struct {
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Rune u; /* character code */
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ushort mode; /* attribute flags */
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uint32_t fg; /* foreground */
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uint32_t bg; /* background */
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#if UNDERCURL_PATCH
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int ustyle; /* underline style */
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int ucolor[3]; /* underline color */
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#endif // UNDERCURL_PATCH
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} Glyph;
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typedef Glyph *Line;
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typedef struct {
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Glyph attr; /* current char attributes */
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int x;
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int y;
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char state;
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} TCursor;
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/* Internal representation of the screen */
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typedef struct {
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int row; /* nb row */
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int col; /* nb col */
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#if COLUMNS_PATCH && !VIM_BROWSE_PATCH
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int maxcol;
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#endif // COLUMNS_PATCH
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Line *line; /* screen */
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Line *alt; /* alternate screen */
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#if SCROLLBACK_PATCH
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Line hist[HISTSIZE]; /* history buffer */
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int histi; /* history index */
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int histn; /* number of history entries */
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int scr; /* scroll back */
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#endif // SCROLLBACK_PATCH
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int *dirty; /* dirtyness of lines */
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TCursor c; /* cursor */
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int ocx; /* old cursor col */
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int ocy; /* old cursor row */
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int top; /* top scroll limit */
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int bot; /* bottom scroll limit */
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int mode; /* terminal mode flags */
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int esc; /* escape state flags */
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char trantbl[4]; /* charset table translation */
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int charset; /* current charset */
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int icharset; /* selected charset for sequence */
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int *tabs;
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#if SIXEL_PATCH
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ImageList *images; /* sixel images */
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ImageList *images_alt; /* sixel images for alternate screen */
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#endif // SIXEL_PATCH
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Rune lastc; /* last printed char outside of sequence, 0 if control */
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} Term;
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typedef union {
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int i;
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uint ui;
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float f;
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const void *v;
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const char *s;
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} Arg;
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/* Purely graphic info */
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typedef struct {
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int tw, th; /* tty width and height */
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int w, h; /* window width and height */
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#if BACKGROUND_IMAGE_PATCH
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int x, y; /* window location */
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#endif // BACKGROUND_IMAGE_PATCH
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#if ANYSIZE_PATCH
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int hborderpx, vborderpx;
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#endif // ANYSIZE_PATCH
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int ch; /* char height */
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int cw; /* char width */
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#if VERTCENTER_PATCH
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int cyo; /* char y offset */
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#endif // VERTCENTER_PATCH
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int mode; /* window state/mode flags */
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int cursor; /* cursor style */
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} TermWindow;
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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, netwmiconname, netwmpid;
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#if NETWMICON_PATCH
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Atom netwmicon;
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#endif // NETWMICON_PATCH
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struct {
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XIM xim;
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XIC xic;
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XPoint spot;
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XVaNestedList spotlist;
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} ime;
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Draw draw;
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#if BACKGROUND_IMAGE_PATCH
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GC bggc; /* Graphics Context for background */
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#endif // BACKGROUND_IMAGE_PATCH
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Visual *vis;
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XSetWindowAttributes attrs;
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#if HIDECURSOR_PATCH || OPENURLONCLICK_PATCH
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/* Here, we use the term *pointer* to differentiate the cursor
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* one sees when hovering the mouse over the terminal from, e.g.,
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* a green rectangle where text would be entered. */
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Cursor vpointer, bpointer; /* visible and hidden pointers */
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int pointerisvisible;
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#endif // HIDECURSOR_PATCH
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#if OPENURLONCLICK_PATCH
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Cursor upointer;
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#endif // OPENURLONCLICK_PATCH
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int scr;
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int isfixed; /* is fixed geometry? */
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#if ALPHA_PATCH
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int depth; /* bit depth */
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#endif // ALPHA_PATCH
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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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char *primary, *clipboard;
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struct timespec tclick1;
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struct timespec tclick2;
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} XSelection;
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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 mod;
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uint button;
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void (*func)(const Arg *);
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const Arg arg;
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uint release;
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#if UNIVERSCROLL_PATCH
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int altscrn; /* 0: don't care, -1: not alt screen, 1: alt screen */
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#endif // UNIVERSCROLL_PATCH
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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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} Key;
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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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void die(const char *, ...);
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void redraw(void);
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void draw(void);
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void drawregion(int, int, int, int);
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void tfulldirt(void);
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void printscreen(const Arg *);
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void printsel(const Arg *);
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void sendbreak(const Arg *);
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void toggleprinter(const Arg *);
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int tattrset(int);
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void tnew(int, int);
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void tresize(int, int);
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#if VIM_BROWSE_PATCH
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void tmoveto(int x, int y);
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#endif // VIM_BROWSE_PATCH
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void tsetdirtattr(int);
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void ttyhangup(void);
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int ttynew(const char *, char *, const char *, char **);
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size_t ttyread(void);
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void ttyresize(int, int);
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void ttywrite(const char *, size_t, int);
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void resettitle(void);
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void selclear(void);
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void selinit(void);
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void selstart(int, int, int);
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void selextend(int, int, int, int);
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int selected(int, int);
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char *getsel(void);
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size_t utf8encode(Rune, char *);
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void *xmalloc(size_t);
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void *xrealloc(void *, size_t);
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char *xstrdup(const char *);
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int xgetcolor(int x, unsigned char *r, unsigned char *g, unsigned char *b);
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#if BOXDRAW_PATCH
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int isboxdraw(Rune);
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ushort boxdrawindex(const Glyph *);
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#ifdef XFT_VERSION
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/* only exposed to x.c, otherwise we'll need Xft.h for the types */
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void boxdraw_xinit(Display *, Colormap, XftDraw *, Visual *);
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void drawboxes(int, int, int, int, XftColor *, XftColor *, const XftGlyphFontSpec *, int);
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#endif // XFT_VERSION
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#endif // BOXDRAW_PATCH
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/* config.h globals */
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extern char *utmp;
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extern char *scroll;
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extern char *stty_args;
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extern char *vtiden;
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extern wchar_t *worddelimiters;
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extern int allowaltscreen;
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extern int allowwindowops;
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extern char *termname;
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extern unsigned int tabspaces;
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extern unsigned int defaultfg;
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extern unsigned int defaultbg;
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extern unsigned int defaultcs;
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#if EXTERNALPIPE_PATCH
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extern int extpipeactive;
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#endif // EXTERNALPIPE_PATCH
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#if BOXDRAW_PATCH
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extern const int boxdraw, boxdraw_bold, boxdraw_braille;
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#endif // BOXDRAW_PATCH
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#if ALPHA_PATCH
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extern float alpha;
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#if ALPHA_FOCUS_HIGHLIGHT_PATCH
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extern float alphaUnfocused;
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#endif // ALPHA_FOCUS_HIGHLIGHT_PATCH
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#endif // ALPHA_PATCH
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extern DC dc;
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extern XWindow xw;
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extern XSelection xsel;
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extern TermWindow win;
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extern Term term;
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