From e7ea3e3e95ac59ad0cfba978015c04e74bc35206 Mon Sep 17 00:00:00 2001 From: anon Date: Tue, 1 Aug 2023 19:36:53 +0200 Subject: [PATCH] bak --- Makefile | 2 +- src/command.c | 9 ++++++--- src/constants.h | 1 - src/display.c | 57 ++++++++++++++++++++++++++++++++++----------------------- src/global.h | 16 ++++++++++++++++ src/input.c | 3 --- src/main.c | 3 ++- src/readline.c | 42 ++++++++++++++++++++++++++++++++++++++++++ 8 files changed, 101 insertions(+), 32 deletions(-) create mode 100644 src/readline.c diff --git a/Makefile b/Makefile index 8ecb495..00c6234 100644 --- a/Makefile +++ b/Makefile @@ -1,6 +1,6 @@ CC=gcc CFLAGS:=-ggdb -LDLIBS=-I ${CHDRD} $$(pkg-config --libs ncurses) +LDLIBS=-I ${CHDRD} $$(pkg-config --libs ncurses readline) LEX:=flex LEXD:=src/ diff --git a/src/command.c b/src/command.c index 1d1808a..879ebc7 100644 --- a/src/command.c +++ b/src/command.c @@ -136,7 +136,7 @@ command(int commandc) return(NO); } /* if this is a line selection */ - if (p->y1 < FLDLINE) { + if (p->y1 > FLDLINE) { /* find the selected line */ /* note: the selection is forced into range */ @@ -173,6 +173,7 @@ command(int commandc) case '\n': /* go to reference */ if (current_window == &wresult) { editref(curdispline); + window_change = CH_ALL; return(YES); } /* FALLTHROUGH */ @@ -304,9 +305,10 @@ command(int commandc) clearprompt(); shellpath(filename, sizeof(filename), newpat); if (readrefs(filename) == NO) { - postmsg2("Ignoring an empty file"); - return(NO); + postmsg2("Ignoring an empty file"); + return(NO); } + window_change |= CH_INPUT; return(YES); } clearprompt(); @@ -499,6 +501,7 @@ cscope: cannot open pipe to shell command: %s\n", newpat); return(NO); } } /* switch(commandc) */ + window_change |= CH_INPUT; return(YES); } diff --git a/src/constants.h b/src/constants.h index c7aa6c0..4de6c5a 100644 --- a/src/constants.h +++ b/src/constants.h @@ -85,7 +85,6 @@ #define FLDLINE (LINES - FIELDS - 1 - 1) /* first input field line */ #define MSGLINE 0 /* message line */ #define PRLINE (LINES - 1) /* input prompt line */ -#define REFLINE 3 /* first displayed reference line */ /* input fields (value matches field order on screen) */ #define SYMBOL 0 diff --git a/src/display.c b/src/display.c index 2f1961e..6c68c67 100644 --- a/src/display.c +++ b/src/display.c @@ -85,12 +85,7 @@ static int mode_window_height; #define WRESULT_TABLE_BODY_START 4 -static enum { - CH_RESULT = 0x0001, - CH_INPUT = CH_RESULT << 1, - CH_MODE = CH_RESULT << 2, - CH_ALL = CH_RESULT | CH_INPUT | CH_MODE -}; +int window_change = CH_ALL; const char dispchars[] = "0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ"; @@ -143,7 +138,7 @@ dispinit(void) mode_window_height = LINES - input_window_height - 2 - 1; first_col_width = 48; // (((COLS - 2)%2 == 0) ? ((COLS-2)/2) : (((COLS-2)/2)+1)); second_col_width = COLS - 2 - 1 - first_col_width; //((COLS - 2) / 2) - 1; - mdisprefs = result_window_height - 1; + mdisprefs = result_window_height - WRESULT_TABLE_BODY_START - 1 - 1; if (mdisprefs <= 0) { postfatal("%s: screen too small\n", argv0); @@ -156,6 +151,9 @@ dispinit(void) /* allocate the displayed line array */ displine = malloc(mdisprefs * sizeof(*displine)); + /* readline */ + rlinit(); + /* initialize windows */ winput = newwin(input_window_height, first_col_width, 1, 1); wmode = newwin(mode_window_height, first_col_width, input_window_height+1 + 1, 1); @@ -197,7 +195,7 @@ static inline void display_frame(){ waddstr(stdscr, helpstring); } -static inline void display_input_fields(){ +static inline void display_mode(){ for(int i = 0; i < FIELDS; ++i){ mvwprintw(wmode, i, 0, "%s %s", fields[i].text1, fields[i].text2); } @@ -271,7 +269,7 @@ static inline void display_results(){ /* until the max references have been displayed or there is no more room */ topline = nextline; - for (disprefs = 0, screenline = REFLINE; + for (disprefs = 0, screenline = WRESULT_TABLE_BODY_START; disprefs < mdisprefs && screenline <= result_window_height; ++disprefs, ++screenline) { @@ -392,9 +390,10 @@ static inline void display_results(){ wmove(wresult, screenline, second_col_width - srctxtw); } /* for(ever) */ } /* for(reference output lines) */ - endrefs: + +endrefs: /* position the cursor for the message */ - i = FLDLINE - 1; + i = result_window_height - 1; if (screenline < i) { waddch(wresult, '\n'); } @@ -408,7 +407,7 @@ static inline void display_results(){ wprintw(wresult, "* Lines %d-%d of %d, %d more - press the space bar to display more *", topline, bottomline, totallines, i); } /* if this is the last page of references */ - else if (topline > 1 && nextline > totallines) { + else{ //if (topline > 1 && nextline > totallines) { //XXX: i dont see how this condition is ever userful, but i might be wrong waddstr(wresult, "* Press the space bar to display the first lines again *"); } } @@ -422,7 +421,7 @@ void display_cursor(void){ }else if(current_window == &wmode){ yoffset = field; }else if(current_window == &wresult){ - yoffset = WRESULT_TABLE_BODY_START + curdispline; + yoffset = displine[curdispline]; }else{ assert(("No window selected.", true)); } @@ -439,17 +438,29 @@ display(void) { //drawscrollbar(topline, nextline); /* display the scrollbar */ - display_frame(); - display_command_field(); - display_input_fields(); - display_results(); + if(window_change){ + if(window_change & CH_ALL){ + display_frame(); + } + if(window_change & CH_INPUT){ + display_command_field(); + } + if(window_change & CH_RESULT){ + display_results(); + } + if(window_change & CH_MODE){ + display_mode(); + } - display_cursor(); + display_cursor(); - refresh(); - wrefresh(winput); - wrefresh(wmode); - wrefresh(wresult); + refresh(); + wrefresh(winput); + wrefresh(wmode); + wrefresh(wresult); + } + + window_change = CH_NONE; } void @@ -709,7 +720,7 @@ postmsg2(char *msg) else { clearmsg2(); waddstr(wresult, msg); - refresh(); + wrefresh(wresult); } } diff --git a/src/global.h b/src/global.h index 19a5a87..08f4423 100644 --- a/src/global.h +++ b/src/global.h @@ -84,6 +84,15 @@ struct cmd { /* command history struct */ char *text; /* input field text */ }; +enum { + CH_NONE = 0x0000, + CH_RESULT = 0x0001 << 0, + CH_INPUT = 0x0001 << 1, + CH_MODE = 0x0001 << 2, + CH_ALL = CH_RESULT | CH_INPUT | CH_MODE +}; + + #ifndef DFLT_INCDIR # define DFLT_INCDIR "/usr/include" @@ -181,6 +190,7 @@ extern unsigned int topline; /* top line of page */ extern long searchcount; /* count of files searched */ extern unsigned int totallines; /* total reference lines */ extern const char dispchars[]; /* display chars for jumping to lines */ +extern int window_change; /* find.c global data */ extern char block[]; /* cross-reference file block */ @@ -199,6 +209,10 @@ extern struct keystruct { /* mouse.c global data */ extern BOOL mouse; /* mouse interface */ +/* display.c global data */ +extern int input_available; +extern char input_char; + #if UNIXPC extern BOOL unixpcmouse; /* UNIX PC mouse interface */ #endif @@ -232,6 +246,8 @@ extern char *reflines; /* symbol reference lines file */ void verswp_field(void); void horswp_field(void); +void rlinit(void); + void addcmd(int f, char *s); void addsrcfile(char *path); void askforchar(void); diff --git a/src/input.c b/src/input.c index a8d6dea..d26d663 100644 --- a/src/input.c +++ b/src/input.c @@ -56,12 +56,9 @@ static void catchint(int sig); /* catch the interrupt signal */ -/*ARGSUSED*/ static void catchint(int sig) { - (void) sig; /* 'use' it, to avoid a warning */ - signal(SIGINT, catchint); longjmp(env, 1); } diff --git a/src/main.c b/src/main.c index b2647f0..7d73b5a 100644 --- a/src/main.c +++ b/src/main.c @@ -681,6 +681,8 @@ static inline void screenmode_event_loop(void){ display(); c = mygetch(); + input_available = 1; + rl_callback_read_char(); /* exit if the quit command is entered */ if (c == EOF || c == ctrl('D')) { @@ -691,6 +693,5 @@ static inline void screenmode_event_loop(void){ continue; } - command(c); } } diff --git a/src/readline.c b/src/readline.c new file mode 100644 index 0000000..1e04e2e --- /dev/null +++ b/src/readline.c @@ -0,0 +1,42 @@ +#include +#include "global.h" + +int input_available = 0; +char input_char; + +static void getc_function(FILE* ignore){ + input_available = 0; + return (int)input_char; +} + +static input_available_hook(){ + return input_available; +} + +static void redisplay_function(){ + window_change |= CH_INPUT; + //display(); +} + +static void callback_handler(char* line){ + // ?! +} + +int proxy(int i, int h){ + horswp_field(); +} + +void rlinit(){ + rl_catch_signals = 0; + rl_catch_sigwinch = 0; + rl_prep_term_function = NULL; + rl_deprep_term_function = NULL; + rl_change_environment = 0; + + rl_getc_function = getc_function; + rl_input_available_hook = input_available_hook; + rl_redisplay_function = redisplay_function; + rl_callback_handler_install("", callback_handler); + + rl_bind_key('\t', proxy); +}