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Overview
Comment:Simplified dirsInit; better variable names for colors
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SHA3-256: 4100a87208f1c1332201f0d04ae8081059c3dcb12fa345e1eb6e7ac6ddf820bd
User & Date: jmcclure 2020-03-30 19:14:31
Context
2020-03-30
23:01
Adjusted vertical spacing check-in: d152045be2 user: jmcclure tags: trunk
19:14
Simplified dirsInit; better variable names for colors check-in: 4100a87208 user: jmcclure tags: trunk
2020-03-25
23:42
Added some emacs-style keys check-in: 7348de7b2c user: jmcclure tags: trunk
Changes
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Changes to config.h. 

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static const char *font = "PT Sans";
static const char bang = '!';

static unsigned long
	colBG = 0x404448,
	colFG = 0xEEEEEE,
	colCS = 0xFFDD88,
	colBD = 0x000000;

static int
	x = 0,
	y = 0,
	w = 0,
	/* 'h' is determined by font metrics */
	left = 4, // TODO, I hate this ... needs to come from font metrics
	bpx = 1;

static Key keys[] = {
/*   Modifiers             Keysym           Function     Args */
	{ ControlMask,          XK_q,            quit,        { 0 } },
	{ 0,                    XK_Escape,       quit,        { 0 } },
	{ 0,                    XK_Tab,          complete,    { .v = "default" } },
	{ 0,                    XK_Return,       run,         { .v = "default" } },


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static const char *font = "sans:size=10";
static const char bang = '!';

static unsigned long
	color_background = 0x404448,
	color_foreground = 0xEEEEEE,
	color_cursor     = 0xFFDD88,
	color_border     = 0x000000;

static int
	x = 0,
	y = 0, /* y=-1 for bottom of screen */
	w = 0, /* w=0 for screen width */


	border_px = 1;

static Key keys[] = {
/*   Modifiers             Keysym           Function     Args */
	{ ControlMask,          XK_q,            quit,        { 0 } },
	{ 0,                    XK_Escape,       quit,        { 0 } },
	{ 0,                    XK_Tab,          complete,    { .v = "default" } },
	{ 0,                    XK_Return,       run,         { .v = "default" } },

Changes to interrobang.c. 

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 */

#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <unistd.h>
#include <ctype.h>
#include <sys/types.h>
#include <sys/wait.h>
#include <X11/Xlib.h>
#include <X11/keysym.h>
#include <X11/Xatom.h>
#include <X11/Xft/Xft.h>

#define MAX 1024

................................................................................
static Atom XA_CLIPBOARD;


/* INITIALIZATION FUNCTIONS: IN ORDER OF CALL */

static int dirsInit(int argc, const char *argv[]) {
	const char *var;
	if ((var=getenv("XDG_DATA_HOME"))) {
		snprintf(line, MAX, "%s/interrobang/tab/", var);
		setenv(ENV_TAB, line, 1);
		snprintf(line, MAX, "%s/interrobang/run/", var);
		setenv(ENV_RUN, line, 1);
	}
	else if ((var=getenv("HOME"))) {
		snprintf(line, MAX, "%s/.local/share/interrobang/tab/", var);


		setenv(ENV_TAB, line, 1);
		snprintf(line, MAX, "%s/.local/share/interrobang/run/", var);

		setenv(ENV_RUN, line, 1);
	}
	line[0] = '\0';
	return 0;
}

static int xlibInit(int argc, const char *argv[]) {
	int i;
	dpy = XOpenDisplay(0x0);
	scr = DefaultScreen(dpy);
	root = RootWindow(dpy, scr);
	w = (w ? w : DisplayWidth(dpy,scr) - bpx * 2);
	XA_CLIPBOARD = XInternAtom(dpy, "CLIPBOARD", False);
	for (i = 0; i < 1000; i++) {
		if (XGrabKeyboard(dpy,root,True,GrabModeAsync,GrabModeAsync,
			CurrentTime) == GrabSuccess) break;
		usleep(1000);
	}
	if (i == 1000) {
................................................................................
		exit(1);
	}
	return 0;
}

static int colorsInit(int argc, const char *argv[]) {
	XRenderColor xrcol;
	xrcol.red = ((colFG & 0xFF0000) >> 8) | 0xFF;
	xrcol.green = (colFG & 0x00FF00) | 0xFF;
	xrcol.blue = (colFG << 8) | 0xFF;
	xrcol.alpha = 0xFFFF;
	XftColorAllocValue(dpy, DefaultVisual(dpy, scr), DefaultColormap(dpy, scr), &xrcol, &xcol);
	gc = DefaultGC(dpy, scr);
	XSetForeground(dpy, gc, colCS);
	XSetBackground(dpy, gc, colBG);
	return 0;
}

static int fontInit(int argc, const char *argv[]) {
	xfont = XftFontOpenName(dpy, scr, font);
	fh = xfont->ascent;
	h = fh + xfont->descent;
	return 0;
}

static int winInit(int argc, const char *argv[]) {
	XSetWindowAttributes wa;
	wa.override_redirect = True;
	wa.border_pixel = colBD;
	wa.background_pixel = colBG;


	win = XCreateWindow(dpy, root, x, y, w, h, bpx, DefaultDepth(dpy,scr), CopyFromParent,
			DefaultVisual(dpy,scr), CWOverrideRedirect|CWBorderPixel|CWBackPixel, &wa);
	xdraw = XftDrawCreate(dpy, win, DefaultVisual(dpy, scr), DefaultColormap(dpy, scr));
	XMapWindow(dpy, win);
	XFillRectangle(dpy, win, gc, left + 2, h-fh-3, 2, fh-2);
	return 0;
}

static int keymapInit(int argc, const char *argv[]) {
	int i, j;
	const char *name;
	for (j = 0; keymaps[j].name; j++) {
................................................................................
	pos += len;
	return 0;
}

static int redraw() {
	XGlyphInfo ext;
	XClearWindow(dpy, win);
	XftDrawStringUtf8(xdraw, &xcol, xfont, left, fh-2, (XftChar8 *) line, strlen(line));
	XftTextExtentsUtf8(dpy, xfont, (XftChar8 *) line, pos, &ext);
	XFillRectangle(dpy, win, gc, left + ext.xOff + 2, h-fh-3, 2, fh-2);
	return 0;
}

static int mainLoop() {
	XEvent ev;
	KeySym key;
	int len;
	char txt[32];
	snprintf(txt, 32, "/tmp/iBang%d", getpid());
	setenv(ENV_TEMP, txt, 1);

	while (!XNextEvent(dpy, &ev) && running) {
		if (XFilterEvent(&ev,win) || ev.type != KeyPress)
			continue;
		key = NoSymbol;
		XLookupString(&ev.xkey, txt, sizeof txt, &key, NULL);
		len = strlen(txt);
		if (!keymapCheck(ev.xkey.state, key) && !iscntrl(*txt))








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 */

#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <unistd.h>
#include <ctype.h>


#include <X11/Xlib.h>
#include <X11/keysym.h>
#include <X11/Xatom.h>
#include <X11/Xft/Xft.h>

#define MAX 1024

................................................................................
static Atom XA_CLIPBOARD;


/* INITIALIZATION FUNCTIONS: IN ORDER OF CALL */

static int dirsInit(int argc, const char *argv[]) {
	const char *var;
	if ((var=getenv("XDG_DATA_HOME")))
		snprintf(line, MAX, "%s/interrobang/tab/", var);




	else if ((var=getenv("HOME")))
		snprintf(line, MAX, "%s/.local/share/interrobang/tab/", var);
	else /* fallback to package defaults */
		strcpy(line,"/usr/lib/interrobang/tab/");
	setenv(ENV_TAB, line, 1);

	strcpy(line + strlen(line) - 4, "run/");
	setenv(ENV_RUN, line, 1);

	line[0] = '\0';
	return 0;
}

static int xlibInit(int argc, const char *argv[]) {
	int i;
	dpy = XOpenDisplay(0x0);
	scr = DefaultScreen(dpy);
	root = RootWindow(dpy, scr);

	XA_CLIPBOARD = XInternAtom(dpy, "CLIPBOARD", False);
	for (i = 0; i < 1000; i++) {
		if (XGrabKeyboard(dpy,root,True,GrabModeAsync,GrabModeAsync,
			CurrentTime) == GrabSuccess) break;
		usleep(1000);
	}
	if (i == 1000) {
................................................................................
		exit(1);
	}
	return 0;
}

static int colorsInit(int argc, const char *argv[]) {
	XRenderColor xrcol;
	xrcol.red =   ((color_foreground & 0xFF0000) >> 8 ) | 0xFF;
	xrcol.green = ((color_foreground & 0x00FF00)      ) | 0xFF;
	xrcol.blue =  ((color_foreground & 0x0000FF) << 8 ) | 0xFF;
	xrcol.alpha = 0xFFFF;
	XftColorAllocValue(dpy, DefaultVisual(dpy, scr), DefaultColormap(dpy, scr), &xrcol, &xcol);
	gc = DefaultGC(dpy, scr);
	XSetForeground(dpy, gc, color_cursor);
	XSetBackground(dpy, gc, color_background);
	return 0;
}

static int fontInit(int argc, const char *argv[]) {
	xfont = XftFontOpenName(dpy, scr, font);
	fh = xfont->ascent;
	h = fh + xfont->descent;
	return 0;
}

static int winInit(int argc, const char *argv[]) {
	XSetWindowAttributes wa;
	wa.override_redirect = True;
	wa.border_pixel = color_border;
	wa.background_pixel = color_background;
	w = (w ? w : DisplayWidth(dpy,scr) - border_px * 2);
	y = (y == -1 ? DisplayHeight(dpy, scr) - border_px * 2 - h : y);
	win = XCreateWindow(dpy, root, x, y, w, h, border_px, DefaultDepth(dpy,scr), CopyFromParent,
			DefaultVisual(dpy,scr), CWOverrideRedirect|CWBorderPixel|CWBackPixel, &wa);
	xdraw = XftDrawCreate(dpy, win, DefaultVisual(dpy, scr), DefaultColormap(dpy, scr));
	XMapWindow(dpy, win);

	return 0;
}

static int keymapInit(int argc, const char *argv[]) {
	int i, j;
	const char *name;
	for (j = 0; keymaps[j].name; j++) {
................................................................................
	pos += len;
	return 0;
}

static int redraw() {
	XGlyphInfo ext;
	XClearWindow(dpy, win);
	XftDrawStringUtf8(xdraw, &xcol, xfont, 0, fh-2, (XftChar8 *) line, strlen(line));
	XftTextExtentsUtf8(dpy, xfont, (XftChar8 *) line, pos, &ext);
	XFillRectangle(dpy, win, gc, ext.xOff + 2, h-fh-3, 2, fh-2);
	return 0;
}

static int mainLoop() {
	XEvent ev;
	KeySym key;
	int len;
	char txt[32];
	snprintf(txt, 32, "/tmp/iBang%d", getpid());
	setenv(ENV_TEMP, txt, 1);
	redraw();
	while (!XNextEvent(dpy, &ev) && running) {
		if (XFilterEvent(&ev,win) || ev.type != KeyPress)
			continue;
		key = NoSymbol;
		XLookupString(&ev.xkey, txt, sizeof txt, &key, NULL);
		len = strlen(txt);
		if (!keymapCheck(ev.xkey.state, key) && !iscntrl(*txt))