initial commit of the i3-config-wizard (GUI working, functionality incomplete)
This commit is contained in:
Michael Stapelberg
parent
8b21812bbd
commit
2491a155ee
8
.gitignore
vendored
8
.gitignore
vendored
@ -4,7 +4,7 @@ loglevels.tmp
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*.swp
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testcases/testsuite-*
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testcases/latest
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src/*.output
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src/*.tab.c
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src/*.tab.h
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src/*.yy.c
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*.output
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*.tab.c
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*.tab.h
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*.yy.c
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39
i3-config-wizard/Makefile
Normal file
39
i3-config-wizard/Makefile
Normal file
@ -0,0 +1,39 @@
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# Default value so one can compile i3-input standalone
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TOPDIR=..
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include $(TOPDIR)/common.mk
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# Depend on the object files of all source-files in src/*.c and on all header files
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FILES:=$(patsubst %.c,%.o,$(wildcard *.c))
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HEADERS:=$(wildcard *.h)
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# Depend on the specific file (.c for each .o) and on all headers
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%.o: %.c ${HEADERS}
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echo "CC $<"
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$(CC) $(CFLAGS) -c -o $@ $<
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all: cfgparse.y.o cfgparse.yy.o ${FILES}
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echo "LINK i3-config-wizard"
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$(CC) -o i3-config-wizard ${FILES} $(LDFLAGS)
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cfgparse.yy.o: cfgparse.l cfgparse.y.o ${HEADERS}
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echo "LEX $<"
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flex -i -o$(@:.o=.c) $<
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$(CC) $(CFLAGS) -c -o $@ $(@:.o=.c)
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cfgparse.y.o: cfgparse.y ${HEADERS}
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echo "YACC $<"
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bison --debug --verbose -b $(basename $< .y) -d $<
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$(CC) $(CFLAGS) -c -o $@ $(<:.y=.tab.c)
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install: all
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echo "INSTALL"
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$(INSTALL) -d -m 0755 $(DESTDIR)$(PREFIX)/bin
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$(INSTALL) -m 0755 i3-config-wizard $(DESTDIR)$(PREFIX)/bin/
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clean:
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rm -f *.o
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distclean: clean
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rm -f i3-config-wizard
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104
i3-config-wizard/cfgparse.l
Normal file
104
i3-config-wizard/cfgparse.l
Normal file
@ -0,0 +1,104 @@
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%option nounput
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%option noinput
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%option noyy_top_state
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%option stack
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%{
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/*
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* vim:ts=8:expandtab
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*
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*/
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#include <stdio.h>
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#include <string.h>
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#include <stdint.h>
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#include <stdbool.h>
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#include "cfgparse.tab.h"
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int yycolumn = 1;
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struct context {
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int line_number;
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char *line_copy;
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char *compact_error;
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/* These are the same as in YYLTYPE */
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int first_column;
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int last_column;
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};
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#define YY_DECL int yylex (struct context *context)
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#define YY_USER_ACTION { \
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context->first_column = yycolumn; \
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context->last_column = yycolumn+yyleng-1; \
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yycolumn += yyleng; \
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}
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%}
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EOL (\r?\n)
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%s BINDCODE_COND
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%s BIND_AWS_COND
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%s BIND_A2WS_COND
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%x BUFFER_LINE
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%%
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{
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/* This is called when a new line is lexed. We only want the
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* first line to match to go into state BUFFER_LINE */
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if (context->line_number == 0) {
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context->line_number = 1;
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BEGIN(INITIAL);
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yy_push_state(BUFFER_LINE);
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}
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}
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<BUFFER_LINE>^[^\r\n]*/{EOL}? {
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/* save whole line */
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context->line_copy = strdup(yytext);
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yyless(0);
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yy_pop_state();
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yy_set_bol(true);
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yycolumn = 1;
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}
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<BIND_A2WS_COND>[^\n]+ { BEGIN(INITIAL); yylval.string = strdup(yytext); return STR; }
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[0-9]+ { yylval.number = atoi(yytext); return NUMBER; }
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bind { BEGIN(BINDCODE_COND); return TOKBINDCODE; }
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bindcode { BEGIN(BINDCODE_COND); return TOKBINDCODE; }
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Mod1 { yylval.number = (1 << 3); return MODIFIER; }
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Mod2 { yylval.number = (1 << 4); return MODIFIER; }
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Mod3 { yylval.number = (1 << 5); return MODIFIER; }
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Mod4 { yylval.number = (1 << 6); return MODIFIER; }
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Mod5 { yylval.number = (1 << 7); return MODIFIER; }
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Mode_switch { yylval.number = (1 << 8); return MODIFIER; }
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control { return TOKCONTROL; }
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ctrl { return TOKCONTROL; }
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shift { return TOKSHIFT; }
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{EOL} {
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if (context->line_copy) {
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free(context->line_copy);
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context->line_copy = NULL;
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}
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context->line_number++;
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BEGIN(INITIAL);
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yy_push_state(BUFFER_LINE);
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}
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<BINDCODE_COND>[ \t]+ { BEGIN(BIND_AWS_COND); return WHITESPACE; }
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<BIND_AWS_COND>[ \t]+ { BEGIN(BIND_A2WS_COND); return WHITESPACE; }
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[ \t]+ { return WHITESPACE; }
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. { return (int)yytext[0]; }
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<<EOF>> {
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while (yy_start_stack_ptr > 0)
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yy_pop_state();
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yyterminate();
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}
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%%
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153
i3-config-wizard/cfgparse.y
Normal file
153
i3-config-wizard/cfgparse.y
Normal file
@ -0,0 +1,153 @@
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%{
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/*
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* vim:ts=4:sw=4:expandtab
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*
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*/
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <unistd.h>
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#include <fcntl.h>
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#include <stdint.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <X11/Xlib.h>
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extern Display *dpy;
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struct context {
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int line_number;
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char *line_copy;
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char *compact_error;
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/* These are the same as in YYLTYPE */
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int first_column;
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int last_column;
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char *result;
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};
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typedef struct yy_buffer_state *YY_BUFFER_STATE;
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extern int yylex(struct context *context);
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extern int yyparse(void);
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extern FILE *yyin;
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YY_BUFFER_STATE yy_scan_string(const char *);
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static struct context *context;
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/* We don’t need yydebug for now, as we got decent error messages using
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* yyerror(). Should you ever want to extend the parser, it might be handy
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* to just comment it in again, so it stays here. */
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//int yydebug = 1;
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void yyerror(const char *error_message) {
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fprintf(stderr, "\n");
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fprintf(stderr, "CONFIG: %s\n", error_message);
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fprintf(stderr, "CONFIG: line %d:\n",
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context->line_number);
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fprintf(stderr, "CONFIG: %s\n", context->line_copy);
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fprintf(stderr, "CONFIG: ");
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for (int c = 1; c <= context->last_column; c++)
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if (c >= context->first_column)
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fprintf(stderr, "^");
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else fprintf(stderr, " ");
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fprintf(stderr, "\n");
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fprintf(stderr, "\n");
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}
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int yywrap() {
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return 1;
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}
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char *rewrite_binding(const char *bindingline) {
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char *result = NULL;
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context = calloc(sizeof(struct context), 1);
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yy_scan_string(bindingline);
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if (yyparse() != 0) {
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fprintf(stderr, "Could not parse configfile\n");
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exit(1);
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}
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result = context->result;
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if (context->line_copy)
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free(context->line_copy);
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free(context);
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return result;
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}
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/* XXX: does not work for combinations of modifiers yet */
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static char *modifier_to_string(int modifiers) {
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//printf("should convert %d to string\n", modifiers);
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if (modifiers == (1 << 3))
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return strdup("Mod1");
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else if (modifiers == ((1 << 3) | (1 << 0)))
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return strdup("Mod1+shift");
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else return strdup("UNKNOWN");
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}
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%}
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%error-verbose
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%lex-param { struct context *context }
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%union {
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int number;
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char *string;
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}
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%token <number>NUMBER "<number>"
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%token <string>STR "<string>"
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%token TOKBINDCODE
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%token MODIFIER "<modifier>"
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%token TOKCONTROL "control"
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%token TOKSHIFT "shift"
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%token WHITESPACE "<whitespace>"
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%%
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lines: /* empty */
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| lines WHITESPACE bindcode
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| lines error
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| lines bindcode
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;
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bindcode:
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TOKBINDCODE WHITESPACE binding_modifiers NUMBER WHITESPACE STR
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{
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//printf("\tFound keycode binding mod%d with key %d and command %s\n", $<number>3, $4, $<string>6);
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int level = 0;
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if (($<number>3 & (1 << 0))) {
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/* When shift is included, we really need to use the second-level
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* symbol (upper-case). The lower-case symbol could be on a
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* different key than the upper-case one (unlikely for letters, but
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* more likely for special characters). */
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level = 1;
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}
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KeySym sym = XKeycodeToKeysym(dpy, $4, level);
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char *str = XKeysymToString(sym);
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char *modifiers = modifier_to_string($<number>3);
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// TODO: modifier to string
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asprintf(&(context->result), "bindsym %s+%s %s\n", modifiers, str, $<string>6);
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free(modifiers);
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}
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;
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binding_modifiers:
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/* NULL */ { $<number>$ = 0; }
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| binding_modifier
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| binding_modifiers '+' binding_modifier { $<number>$ = $<number>1 | $<number>3; }
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| binding_modifiers '+' { $<number>$ = $<number>1; }
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;
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binding_modifier:
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MODIFIER { $<number>$ = $<number>1; }
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| TOKCONTROL { $<number>$ = (1 << 2); }
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| TOKSHIFT { $<number>$ = (1 << 0); }
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;
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355
i3-config-wizard/main.c
Normal file
355
i3-config-wizard/main.c
Normal file
@ -0,0 +1,355 @@
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/*
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* vim:ts=4:sw=4:expandtab
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*
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* i3 - an improved dynamic tiling window manager
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*
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* © 2011 Michael Stapelberg and contributors
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*
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* See file LICENSE for license information.
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*
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* i3-config-wizard: Program to convert configs using keycodes to configs using
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* keysyms.
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*
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*/
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#include <ev.h>
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#include <stdio.h>
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#include <sys/types.h>
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#include <stdlib.h>
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#include <stdbool.h>
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#include <unistd.h>
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#include <string.h>
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#include <errno.h>
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#include <err.h>
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#include <stdint.h>
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#include <getopt.h>
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#include <limits.h>
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#include <xcb/xcb.h>
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#include <xcb/xcb_aux.h>
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#include <xcb/xcb_event.h>
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#include <xcb/xcb_keysyms.h>
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#include <X11/Xlib.h>
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#include <X11/keysym.h>
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#define FREE(pointer) do { \
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if (pointer != NULL) { \
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free(pointer); \
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pointer = NULL; \
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} \
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} \
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while (0)
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#include "xcb.h"
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enum { STEP_WELCOME, STEP_GENERATE } current_step = STEP_WELCOME;
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enum { MOD_ALT, MOD_SUPER } modifier = MOD_SUPER;
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static xcb_connection_t *conn;
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static uint32_t font_id;
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static uint32_t font_bold_id;
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static char *socket_path;
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static int sockfd;
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static int font_height;
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static int font_bold_height;
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static xcb_window_t win;
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static xcb_pixmap_t pixmap;
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static xcb_gcontext_t pixmap_gc;
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static xcb_key_symbols_t *symbols;
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xcb_window_t root;
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Display *dpy;
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static void finish();
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/*
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* Try to get the socket path from X11 and return NULL if it doesn’t work.
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* As i3-msg is a short-running tool, we don’t bother with cleaning up the
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* connection and leave it up to the operating system on exit.
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*
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*/
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static char *socket_path_from_x11() {
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xcb_connection_t *conn;
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int screen;
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if ((conn = xcb_connect(NULL, &screen)) == NULL ||
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xcb_connection_has_error(conn))
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return NULL;
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xcb_screen_t *root_screen = xcb_aux_get_screen(conn, screen);
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xcb_window_t root = root_screen->root;
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xcb_intern_atom_cookie_t atom_cookie;
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xcb_intern_atom_reply_t *atom_reply;
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atom_cookie = xcb_intern_atom(conn, 0, strlen("I3_SOCKET_PATH"), "I3_SOCKET_PATH");
|
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atom_reply = xcb_intern_atom_reply(conn, atom_cookie, NULL);
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if (atom_reply == NULL)
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return NULL;
|
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|
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xcb_get_property_cookie_t prop_cookie;
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xcb_get_property_reply_t *prop_reply;
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prop_cookie = xcb_get_property_unchecked(conn, false, root, atom_reply->atom,
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XCB_GET_PROPERTY_TYPE_ANY, 0, PATH_MAX);
|
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prop_reply = xcb_get_property_reply(conn, prop_cookie, NULL);
|
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if (prop_reply == NULL || xcb_get_property_value_length(prop_reply) == 0)
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return NULL;
|
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if (asprintf(&socket_path, "%.*s", xcb_get_property_value_length(prop_reply),
|
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(char*)xcb_get_property_value(prop_reply)) == -1)
|
||||
return NULL;
|
||||
return socket_path;
|
||||
}
|
||||
|
||||
/*
|
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* Handles expose events, that is, draws the window contents.
|
||||
*
|
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*/
|
||||
static int handle_expose() {
|
||||
/* re-draw the background */
|
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xcb_rectangle_t border = {0, 0, 300, (15*font_height) + 8},
|
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inner = {2, 2, 296, (15*font_height) + 8 - 4};
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xcb_change_gc_single(conn, pixmap_gc, XCB_GC_FOREGROUND, get_colorpixel(conn, "#285577"));
|
||||
xcb_poly_fill_rectangle(conn, pixmap, pixmap_gc, 1, &border);
|
||||
xcb_change_gc_single(conn, pixmap_gc, XCB_GC_FOREGROUND, get_colorpixel(conn, "#000000"));
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||||
xcb_poly_fill_rectangle(conn, pixmap, pixmap_gc, 1, &inner);
|
||||
|
||||
xcb_change_gc_single(conn, pixmap_gc, XCB_GC_FONT, font_id);
|
||||
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||||
#define txt(x, row, text) xcb_image_text_8(conn, strlen(text), pixmap, pixmap_gc, x, (row * font_height) + 2, text)
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|
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if (current_step == STEP_WELCOME) {
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/* restore font color */
|
||||
xcb_change_gc_single(conn, pixmap_gc, XCB_GC_FOREGROUND, get_colorpixel(conn, "#FFFFFF"));
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txt(10, 1, "i3: first configuration");
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txt(10, 4, "You have not configured i3 yet.");
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txt(10, 5, "Do you want me to generate ~/.i3/config?");
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txt(85, 8, "Yes, generate ~/.i3/config");
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txt(85, 10, "No, I will use the defaults");
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||||
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||||
/* green */
|
||||
xcb_change_gc_single(conn, pixmap_gc, XCB_GC_FOREGROUND, get_colorpixel(conn, "#00FF00"));
|
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txt(25, 8, "<Enter>");
|
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|
||||
/* red */
|
||||
xcb_change_gc_single(conn, pixmap_gc, XCB_GC_FOREGROUND, get_colorpixel(conn, "#FF0000"));
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txt(31, 10, "<ESC>");
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}
|
||||
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if (current_step == STEP_GENERATE) {
|
||||
xcb_change_gc_single(conn, pixmap_gc, XCB_GC_FOREGROUND, get_colorpixel(conn, "#FFFFFF"));
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||||
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||||
txt(10, 1, "i3: generate config");
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||||
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||||
txt(10, 4, "Please choose either:");
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||||
txt(85, 6, "Win as default modifier");
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||||
txt(85, 7, "Alt as default modifier");
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||||
txt(10, 9, "Afterwards, press");
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||||
txt(85, 11, "to write ~/.i3/config");
|
||||
txt(85, 12, "to abort");
|
||||
|
||||
/* the not-selected modifier */
|
||||
if (modifier == MOD_SUPER)
|
||||
txt(31, 7, "<Alt>");
|
||||
else txt(31, 6, "<Win>");
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||||
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||||
/* the selected modifier */
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||||
xcb_change_gc_single(conn, pixmap_gc, XCB_GC_FONT, font_bold_id);
|
||||
if (modifier == MOD_SUPER)
|
||||
txt(31, 6, "<Win>");
|
||||
else txt(31, 7, "<Alt>");
|
||||
|
||||
/* green */
|
||||
uint32_t mask = XCB_GC_FOREGROUND | XCB_GC_FONT;
|
||||
uint32_t values[] = { get_colorpixel(conn, "#00FF00"), font_id };
|
||||
xcb_change_gc(conn, pixmap_gc, mask, values);
|
||||
|
||||
txt(25, 11, "<Enter>");
|
||||
|
||||
/* red */
|
||||
xcb_change_gc_single(conn, pixmap_gc, XCB_GC_FOREGROUND, get_colorpixel(conn, "#FF0000"));
|
||||
txt(31, 12, "<ESC>");
|
||||
}
|
||||
|
||||
/* Copy the contents of the pixmap to the real window */
|
||||
xcb_copy_area(conn, pixmap, win, pixmap_gc, 0, 0, 0, 0, /* */ 500, 500);
|
||||
xcb_flush(conn);
|
||||
|
||||
return 1;
|
||||
}
|
||||
|
||||
static int handle_key_press(void *ignored, xcb_connection_t *conn, xcb_key_press_event_t *event) {
|
||||
printf("Keypress %d, state raw = %d\n", event->detail, event->state);
|
||||
|
||||
xcb_keysym_t sym = xcb_key_press_lookup_keysym(symbols, event, event->state);
|
||||
|
||||
printf("sym = %c (%d)\n", sym, sym);
|
||||
|
||||
if (sym == XK_Return) {
|
||||
if (current_step == STEP_WELCOME)
|
||||
current_step = STEP_GENERATE;
|
||||
else finish();
|
||||
}
|
||||
|
||||
/* cancel any time */
|
||||
if (sym == XK_Escape)
|
||||
exit(0);
|
||||
|
||||
if (sym == XK_Alt_L)
|
||||
modifier = MOD_ALT;
|
||||
|
||||
if (sym == XK_Super_L)
|
||||
modifier = MOD_SUPER;
|
||||
|
||||
handle_expose();
|
||||
return 1;
|
||||
}
|
||||
|
||||
static void finish() {
|
||||
printf("finishing the wizard\n");
|
||||
|
||||
#if 0
|
||||
dpy = XOpenDisplay(NULL);
|
||||
|
||||
FILE *kc_config = fopen("../i3.config.kc", "r");
|
||||
char *line = NULL;
|
||||
size_t len = 0;
|
||||
ssize_t read;
|
||||
while ((read = getline(&line, &len, kc_config)) != -1) {
|
||||
/* See if that line is interesting by skipping leading whitespaces,
|
||||
* then checking for 'bindcode' */
|
||||
char *walk = line;
|
||||
while (isspace(*walk) && walk < (line + len))
|
||||
walk++;
|
||||
if (strncmp(walk, "bindcode", strlen("bindcode")) != 0)
|
||||
continue;
|
||||
char *result = rewrite_binding(walk);
|
||||
printf("in: %s", walk);
|
||||
printf("out: %s", result);
|
||||
free(result);
|
||||
|
||||
}
|
||||
|
||||
free(line);
|
||||
fclose(kc_config);
|
||||
|
||||
exit(0);
|
||||
#endif
|
||||
|
||||
exit(0);
|
||||
}
|
||||
|
||||
int main(int argc, char *argv[]) {
|
||||
socket_path = getenv("I3SOCK");
|
||||
char *pattern = "-misc-fixed-medium-r-normal--13-120-75-75-C-70-iso10646-1";
|
||||
char *patternbold = "-misc-fixed-bold-r-normal--13-120-75-75-C-70-iso10646-1";
|
||||
int o, option_index = 0;
|
||||
|
||||
static struct option long_options[] = {
|
||||
{"socket", required_argument, 0, 's'},
|
||||
{"version", no_argument, 0, 'v'},
|
||||
{"limit", required_argument, 0, 'l'},
|
||||
{"prompt", required_argument, 0, 'P'},
|
||||
{"prefix", required_argument, 0, 'p'},
|
||||
{"font", required_argument, 0, 'f'},
|
||||
{"help", no_argument, 0, 'h'},
|
||||
{0, 0, 0, 0}
|
||||
};
|
||||
|
||||
char *options_string = "s:vh";
|
||||
|
||||
while ((o = getopt_long(argc, argv, options_string, long_options, &option_index)) != -1) {
|
||||
switch (o) {
|
||||
case 's':
|
||||
FREE(socket_path);
|
||||
socket_path = strdup(optarg);
|
||||
break;
|
||||
case 'v':
|
||||
printf("i3-config-wizard " I3_VERSION);
|
||||
return 0;
|
||||
case 'h':
|
||||
printf("i3-config-wizard " I3_VERSION);
|
||||
printf("i3-config-wizard [-s <socket>] [-v]\n");
|
||||
return 0;
|
||||
}
|
||||
}
|
||||
|
||||
if (socket_path == NULL)
|
||||
socket_path = socket_path_from_x11();
|
||||
|
||||
if (socket_path == NULL)
|
||||
socket_path = "/tmp/i3-ipc.sock";
|
||||
|
||||
int screens;
|
||||
conn = xcb_connect(NULL, &screens);
|
||||
if (xcb_connection_has_error(conn))
|
||||
errx(1, "Cannot open display\n");
|
||||
|
||||
xcb_screen_t *root_screen = xcb_aux_get_screen(conn, screens);
|
||||
root = root_screen->root;
|
||||
|
||||
symbols = xcb_key_symbols_alloc(conn);
|
||||
|
||||
font_id = get_font_id(conn, pattern, &font_height);
|
||||
font_bold_id = get_font_id(conn, patternbold, &font_bold_height);
|
||||
|
||||
/* Open an input window */
|
||||
win = open_input_window(conn, 300, 205);
|
||||
|
||||
/* Create pixmap */
|
||||
pixmap = xcb_generate_id(conn);
|
||||
pixmap_gc = xcb_generate_id(conn);
|
||||
xcb_create_pixmap(conn, root_screen->root_depth, pixmap, win, 500, 500);
|
||||
xcb_create_gc(conn, pixmap_gc, pixmap, 0, 0);
|
||||
|
||||
/* Set input focus (we have override_redirect=1, so the wm will not do
|
||||
* this for us) */
|
||||
xcb_set_input_focus(conn, XCB_INPUT_FOCUS_POINTER_ROOT, win, XCB_CURRENT_TIME);
|
||||
|
||||
/* Grab the keyboard to get all input */
|
||||
xcb_flush(conn);
|
||||
|
||||
/* Try (repeatedly, if necessary) to grab the keyboard. We might not
|
||||
* get the keyboard at the first attempt because of the keybinding
|
||||
* still being active when started via a wm’s keybinding. */
|
||||
xcb_grab_keyboard_cookie_t cookie;
|
||||
xcb_grab_keyboard_reply_t *reply = NULL;
|
||||
|
||||
int count = 0;
|
||||
while ((reply == NULL || reply->status != XCB_GRAB_STATUS_SUCCESS) && (count++ < 500)) {
|
||||
cookie = xcb_grab_keyboard(conn, false, win, XCB_CURRENT_TIME, XCB_GRAB_MODE_ASYNC, XCB_GRAB_MODE_ASYNC);
|
||||
reply = xcb_grab_keyboard_reply(conn, cookie, NULL);
|
||||
usleep(1000);
|
||||
}
|
||||
|
||||
if (reply->status != XCB_GRAB_STATUS_SUCCESS) {
|
||||
fprintf(stderr, "Could not grab keyboard, status = %d\n", reply->status);
|
||||
exit(-1);
|
||||
}
|
||||
|
||||
xcb_flush(conn);
|
||||
|
||||
xcb_generic_event_t *event;
|
||||
while ((event = xcb_wait_for_event(conn)) != NULL) {
|
||||
if (event->response_type == 0) {
|
||||
fprintf(stderr, "X11 Error received! sequence %x\n", event->sequence);
|
||||
continue;
|
||||
}
|
||||
|
||||
/* Strip off the highest bit (set if the event is generated) */
|
||||
int type = (event->response_type & 0x7F);
|
||||
|
||||
switch (type) {
|
||||
case XCB_KEY_PRESS:
|
||||
handle_key_press(NULL, conn, (xcb_key_press_event_t*)event);
|
||||
break;
|
||||
|
||||
/* TODO: handle mappingnotify */
|
||||
|
||||
case XCB_EXPOSE:
|
||||
handle_expose();
|
||||
break;
|
||||
}
|
||||
|
||||
free(event);
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
166
i3-config-wizard/xcb.c
Normal file
166
i3-config-wizard/xcb.c
Normal file
@ -0,0 +1,166 @@
|
||||
/*
|
||||
* vim:ts=8:expandtab
|
||||
*
|
||||
* i3 - an improved dynamic tiling window manager
|
||||
*
|
||||
* © 2009 Michael Stapelberg and contributors
|
||||
*
|
||||
* See file LICENSE for license information.
|
||||
*
|
||||
*/
|
||||
#include <stdint.h>
|
||||
#include <stdlib.h>
|
||||
#include <string.h>
|
||||
#include <stdio.h>
|
||||
#include <err.h>
|
||||
|
||||
#include <xcb/xcb.h>
|
||||
#include <xcb/xcb_keysyms.h>
|
||||
|
||||
#include <X11/keysym.h>
|
||||
|
||||
extern xcb_window_t root;
|
||||
|
||||
/*
|
||||
* Convenience-wrapper around xcb_change_gc which saves us declaring a variable
|
||||
*
|
||||
*/
|
||||
void xcb_change_gc_single(xcb_connection_t *conn, xcb_gcontext_t gc, uint32_t mask, uint32_t value) {
|
||||
xcb_change_gc(conn, gc, mask, &value);
|
||||
}
|
||||
|
||||
/*
|
||||
* Returns the colorpixel to use for the given hex color (think of HTML).
|
||||
*
|
||||
* The hex_color has to start with #, for example #FF00FF.
|
||||
*
|
||||
* NOTE that get_colorpixel() does _NOT_ check the given color code for validity.
|
||||
* This has to be done by the caller.
|
||||
*
|
||||
*/
|
||||
uint32_t get_colorpixel(xcb_connection_t *conn, char *hex) {
|
||||
char strgroups[3][3] = {{hex[1], hex[2], '\0'},
|
||||
{hex[3], hex[4], '\0'},
|
||||
{hex[5], hex[6], '\0'}};
|
||||
uint32_t rgb16[3] = {(strtol(strgroups[0], NULL, 16)),
|
||||
(strtol(strgroups[1], NULL, 16)),
|
||||
(strtol(strgroups[2], NULL, 16))};
|
||||
|
||||
return (rgb16[0] << 16) + (rgb16[1] << 8) + rgb16[2];
|
||||
}
|
||||
|
||||
/*
|
||||
* Returns the mask for Mode_switch (to be used for looking up keysymbols by
|
||||
* keycode).
|
||||
*
|
||||
*/
|
||||
uint32_t get_mod_mask(xcb_connection_t *conn, uint32_t keycode) {
|
||||
xcb_key_symbols_t *symbols = xcb_key_symbols_alloc(conn);
|
||||
|
||||
xcb_get_modifier_mapping_reply_t *modmap_r;
|
||||
xcb_keycode_t *modmap, kc;
|
||||
xcb_keycode_t *modeswitchcodes = xcb_key_symbols_get_keycode(symbols, keycode);
|
||||
if (modeswitchcodes == NULL)
|
||||
return 0;
|
||||
|
||||
modmap_r = xcb_get_modifier_mapping_reply(conn, xcb_get_modifier_mapping(conn), NULL);
|
||||
modmap = xcb_get_modifier_mapping_keycodes(modmap_r);
|
||||
|
||||
for (int i = 0; i < 8; i++)
|
||||
for (int j = 0; j < modmap_r->keycodes_per_modifier; j++) {
|
||||
kc = modmap[i * modmap_r->keycodes_per_modifier + j];
|
||||
for (xcb_keycode_t *ktest = modeswitchcodes; *ktest; ktest++) {
|
||||
if (*ktest != kc)
|
||||
continue;
|
||||
|
||||
free(modeswitchcodes);
|
||||
free(modmap_r);
|
||||
return (1 << i);
|
||||
}
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
/*
|
||||
* Opens the window we use for input/output and maps it
|
||||
*
|
||||
*/
|
||||
xcb_window_t open_input_window(xcb_connection_t *conn, uint32_t width, uint32_t height) {
|
||||
xcb_window_t win = xcb_generate_id(conn);
|
||||
//xcb_cursor_t cursor_id = xcb_generate_id(conn);
|
||||
|
||||
#if 0
|
||||
/* Use the default cursor (left pointer) */
|
||||
if (cursor > -1) {
|
||||
i3Font *cursor_font = load_font(conn, "cursor");
|
||||
xcb_create_glyph_cursor(conn, cursor_id, cursor_font->id, cursor_font->id,
|
||||
XCB_CURSOR_LEFT_PTR, XCB_CURSOR_LEFT_PTR + 1,
|
||||
0, 0, 0, 65535, 65535, 65535);
|
||||
}
|
||||
#endif
|
||||
|
||||
uint32_t mask = 0;
|
||||
uint32_t values[3];
|
||||
|
||||
mask |= XCB_CW_BACK_PIXEL;
|
||||
values[0] = 0;
|
||||
|
||||
mask |= XCB_CW_OVERRIDE_REDIRECT;
|
||||
values[1] = 1;
|
||||
|
||||
mask |= XCB_CW_EVENT_MASK;
|
||||
values[2] = XCB_EVENT_MASK_EXPOSURE;
|
||||
|
||||
xcb_create_window(conn,
|
||||
XCB_COPY_FROM_PARENT,
|
||||
win, /* the window id */
|
||||
root, /* parent == root */
|
||||
490, 297, width, height, /* dimensions */
|
||||
0, /* border = 0, we draw our own */
|
||||
XCB_WINDOW_CLASS_INPUT_OUTPUT,
|
||||
XCB_WINDOW_CLASS_COPY_FROM_PARENT, /* copy visual from parent */
|
||||
mask,
|
||||
values);
|
||||
|
||||
#if 0
|
||||
if (cursor > -1)
|
||||
xcb_change_window_attributes(conn, result, XCB_CW_CURSOR, &cursor_id);
|
||||
#endif
|
||||
|
||||
/* Map the window (= make it visible) */
|
||||
xcb_map_window(conn, win);
|
||||
|
||||
return win;
|
||||
}
|
||||
|
||||
/*
|
||||
* Returns the ID of the font matching the given pattern and stores the height
|
||||
* of the font (in pixels) in *font_height. die()s if no font matches.
|
||||
*
|
||||
*/
|
||||
int get_font_id(xcb_connection_t *conn, char *pattern, int *font_height) {
|
||||
xcb_void_cookie_t font_cookie;
|
||||
xcb_list_fonts_with_info_cookie_t info_cookie;
|
||||
|
||||
/* Send all our requests first */
|
||||
int result;
|
||||
result = xcb_generate_id(conn);
|
||||
font_cookie = xcb_open_font_checked(conn, result, strlen(pattern), pattern);
|
||||
info_cookie = xcb_list_fonts_with_info(conn, 1, strlen(pattern), pattern);
|
||||
|
||||
xcb_generic_error_t *error = xcb_request_check(conn, font_cookie);
|
||||
if (error != NULL) {
|
||||
fprintf(stderr, "ERROR: Could not open font: %d\n", error->error_code);
|
||||
exit(1);
|
||||
}
|
||||
|
||||
/* Get information (height/name) for this font */
|
||||
xcb_list_fonts_with_info_reply_t *reply = xcb_list_fonts_with_info_reply(conn, info_cookie, NULL);
|
||||
if (reply == NULL)
|
||||
errx(1, "Could not load font \"%s\"\n", pattern);
|
||||
|
||||
*font_height = reply->font_ascent + reply->font_descent;
|
||||
|
||||
return result;
|
||||
}
|
||||
6
i3-config-wizard/xcb.h
Normal file
6
i3-config-wizard/xcb.h
Normal file
@ -0,0 +1,6 @@
|
||||
|
||||
void xcb_change_gc_single(xcb_connection_t *conn, xcb_gcontext_t gc, uint32_t mask, uint32_t value);
|
||||
uint32_t get_colorpixel(xcb_connection_t *conn, char *hex);
|
||||
uint32_t get_mod_mask(xcb_connection_t *conn, uint32_t keycode);
|
||||
xcb_window_t open_input_window(xcb_connection_t *conn, uint32_t width, uint32_t height);
|
||||
int get_font_id(xcb_connection_t *conn, char *pattern, int *font_height);
|
||||
Loading…
Reference in New Issue
Block a user