commit 01cc1c9cfbc2fba63c3a86ef2818c5994bfd2898
parent bc2adfb13fd7150815997338f91c06d020b76191
Author: ViliamKovac1223 <viliamkovac1223@gmail.com>
Date: Sat, 9 Jul 2022 15:10:21 +0200
add alt-tab functionality patch for dwm
Diffstat:
3 files changed, 401 insertions(+), 0 deletions(-)
diff --git a/dwm.suckless.org/patches/alt-tab/dwm-alttab-20220709-d3f93c7.diff b/dwm.suckless.org/patches/alt-tab/dwm-alttab-20220709-d3f93c7.diff
@@ -0,0 +1,321 @@
+From ec9fcfe019623ec6aff6476b6838eb4863098cf0 Mon Sep 17 00:00:00 2001
+From: ViliamKovac1223 <viliamkovac1223@gmail.com>
+Date: Sat, 9 Jul 2022 02:58:18 +0200
+Subject: [PATCH] add alt-tab functionality
+
+---
+ config.def.h | 11 ++-
+ dwm.c | 218 +++++++++++++++++++++++++++++++++++++++++++++++++++
+ 2 files changed, 228 insertions(+), 1 deletion(-)
+
+diff --git a/config.def.h b/config.def.h
+index a2ac963..3760870 100644
+--- a/config.def.h
++++ b/config.def.h
+@@ -1,5 +1,13 @@
+ /* See LICENSE file for copyright and license details. */
+
++/* alt-tab configuration */
++static const unsigned int tabModKey = 0x40; /* if this key is hold the alt-tab functionality stays acitve. This key must be the same as key that is used to active functin altTabStart `*/
++static const unsigned int tabCycleKey = 0x17; /* if this key is hit the alt-tab program moves one position forward in clients stack. This key must be the same as key that is used to active functin altTabStart */
++static const unsigned int tabPosY = 1; /* tab position on Y axis, 0 = bottom, 1 = center, 2 = top */
++static const unsigned int tabPosX = 1; /* tab position on X axis, 0 = left, 1 = center, 2 = right */
++static const unsigned int maxWTab = 600; /* tab menu width */
++static const unsigned int maxHTab = 200; /* tab menu height */
++
+ /* appearance */
+ static const unsigned int borderpx = 1; /* border pixel of windows */
+ static const unsigned int snap = 32; /* snap pixel */
+@@ -72,7 +80,7 @@ static Key keys[] = {
+ { MODKEY, XK_h, setmfact, {.f = -0.05} },
+ { MODKEY, XK_l, setmfact, {.f = +0.05} },
+ { MODKEY, XK_Return, zoom, {0} },
+- { MODKEY, XK_Tab, view, {0} },
++ { MODKEY, XK_q, view, {0} },
+ { MODKEY|ShiftMask, XK_c, killclient, {0} },
+ { MODKEY, XK_t, setlayout, {.v = &layouts[0]} },
+ { MODKEY, XK_f, setlayout, {.v = &layouts[1]} },
+@@ -85,6 +93,7 @@ static Key keys[] = {
+ { MODKEY, XK_period, focusmon, {.i = +1 } },
+ { MODKEY|ShiftMask, XK_comma, tagmon, {.i = -1 } },
+ { MODKEY|ShiftMask, XK_period, tagmon, {.i = +1 } },
++ { Mod1Mask, XK_Tab, altTabStart, {0} },
+ TAGKEYS( XK_1, 0)
+ TAGKEYS( XK_2, 1)
+ TAGKEYS( XK_3, 2)
+diff --git a/dwm.c b/dwm.c
+index 5646a5c..90edf9b 100644
+--- a/dwm.c
++++ b/dwm.c
+@@ -40,6 +40,7 @@
+ #include <X11/extensions/Xinerama.h>
+ #endif /* XINERAMA */
+ #include <X11/Xft/Xft.h>
++#include <time.h>
+
+ #include "drw.h"
+ #include "util.h"
+@@ -119,6 +120,11 @@ struct Monitor {
+ int by; /* bar geometry */
+ int mx, my, mw, mh; /* screen size */
+ int wx, wy, ww, wh; /* window area */
++ int altTabN; /* move that many clients forward */
++ int nTabs; /* number of active clients in tag */
++ int isAlt; /* 1,0 */
++ int maxWTab;
++ int maxHTab;
+ unsigned int seltags;
+ unsigned int sellt;
+ unsigned int tagset[2];
+@@ -127,8 +133,10 @@ struct Monitor {
+ Client *clients;
+ Client *sel;
+ Client *stack;
++ Client ** altsnext; /* array of all clients in the tag */
+ Monitor *next;
+ Window barwin;
++ Window tabwin;
+ const Layout *lt[2];
+ };
+
+@@ -234,6 +242,9 @@ static int xerror(Display *dpy, XErrorEvent *ee);
+ static int xerrordummy(Display *dpy, XErrorEvent *ee);
+ static int xerrorstart(Display *dpy, XErrorEvent *ee);
+ static void zoom(const Arg *arg);
++void drawTab(int nwins, int first, Monitor *m);
++void altTabStart(const Arg *arg);
++static void altTabEnd();
+
+ /* variables */
+ static const char broken[] = "broken";
+@@ -477,6 +488,7 @@ cleanup(void)
+ Monitor *m;
+ size_t i;
+
++ altTabEnd();
+ view(&a);
+ selmon->lt[selmon->sellt] = &foo;
+ for (m = mons; m; m = m->next)
+@@ -644,6 +656,7 @@ createmon(void)
+ m->topbar = topbar;
+ m->lt[0] = &layouts[0];
+ m->lt[1] = &layouts[1 % LENGTH(layouts)];
++ m->nTabs = 0;
+ strncpy(m->ltsymbol, layouts[0].symbol, sizeof m->ltsymbol);
+ return m;
+ }
+@@ -1659,6 +1672,211 @@ spawn(const Arg *arg)
+ }
+ }
+
++void
++altTab()
++{
++ /* move to next window */
++ if (selmon->sel != NULL && selmon->sel->snext != NULL) {
++ selmon->altTabN++;
++ if (selmon->altTabN >= selmon->nTabs)
++ selmon->altTabN = 0; /* reset altTabN */
++
++ focus(selmon->altsnext[selmon->altTabN]);
++ restack(selmon);
++ }
++
++ /* redraw tab */
++ XRaiseWindow(dpy, selmon->tabwin);
++ drawTab(selmon->nTabs, 0, selmon);
++}
++
++void
++altTabEnd()
++{
++ if (selmon->isAlt == 0)
++ return;
++
++ /*
++ * move all clients between 1st and choosen position,
++ * one down in stack and put choosen client to the first position
++ * so they remain in right order for the next time that alt-tab is used
++ */
++ if (selmon->nTabs > 1) {
++ if (selmon->altTabN != 0) { /* if user picked original client do nothing */
++ Client *buff = selmon->altsnext[selmon->altTabN];
++ if (selmon->altTabN > 1)
++ for (int i = selmon->altTabN;i > 0;i--)
++ selmon->altsnext[i] = selmon->altsnext[i - 1];
++ else /* swap them if there are just 2 clients */
++ selmon->altsnext[selmon->altTabN] = selmon->altsnext[0];
++ selmon->altsnext[0] = buff;
++ }
++
++ /* restack clients */
++ for (int i = selmon->nTabs - 1;i >= 0;i--) {
++ focus(selmon->altsnext[i]);
++ restack(selmon);
++ }
++
++ free(selmon->altsnext); /* free list of clients */
++ }
++
++ /* turn off/destroy the window */
++ selmon->isAlt = 0;
++ selmon->nTabs = 0;
++ XUnmapWindow(dpy, selmon->tabwin);
++ XDestroyWindow(dpy, selmon->tabwin);
++}
++
++void
++drawTab(int nwins, int first, Monitor *m)
++{
++ /* little documentation of functions */
++ /* void drw_rect(Drw *drw, int x, int y, unsigned int w, unsigned int h, int filled, int invert); */
++ /* int drw_text(Drw *drw, int x, int y, unsigned int w, unsigned int h, unsigned int lpad, const char *text, int invert); */
++ /* void drw_map(Drw *drw, Window win, int x, int y, unsigned int w, unsigned int h); */
++
++ Client *c;
++ int h;
++
++ if (first) {
++ Monitor *m = selmon;
++ XSetWindowAttributes wa = {
++ .override_redirect = True,
++ .background_pixmap = ParentRelative,
++ .event_mask = ButtonPressMask|ExposureMask
++ };
++
++ selmon->maxWTab = maxWTab;
++ selmon->maxHTab = maxHTab;
++
++ /* decide position of tabwin */
++ int posX = 0;
++ int posY = 0;
++ if (tabPosX == 0)
++ posX = 0;
++ if (tabPosX == 1)
++ posX = (selmon->mw / 2) - (maxWTab / 2);
++ if (tabPosX == 2)
++ posX = selmon->mw - maxWTab;
++
++ if (tabPosY == 0)
++ posY = selmon->mh - maxHTab;
++ if (tabPosY == 1)
++ posY = (selmon->mh / 2) - (maxHTab / 2);
++ if (tabPosY == 2)
++ posY = 0;
++
++ h = selmon->maxHTab;
++ /* XCreateWindow(display, parent, x, y, width, height, border_width, depth, class, visual, valuemask, attributes); just reference */
++ m->tabwin = XCreateWindow(dpy, root, posX, posY, selmon->maxWTab, selmon->maxHTab, 2, DefaultDepth(dpy, screen),
++ CopyFromParent, DefaultVisual(dpy, screen),
++ CWOverrideRedirect|CWBackPixmap|CWEventMask, &wa); /* create tabwin */
++
++ XDefineCursor(dpy, m->tabwin, cursor[CurNormal]->cursor);
++ XMapRaised(dpy, m->tabwin);
++
++ }
++
++ h = selmon->maxHTab / m->nTabs;
++
++ int y = 0;
++ int n = 0;
++ for (int i = 0;i < m->nTabs;i++) { /* draw all clients into tabwin */
++ c = m->altsnext[i];
++ if(!ISVISIBLE(c)) continue;
++ /* if (HIDDEN(c)) continue; uncomment if you're using awesomebar patch */
++
++ n++;
++ drw_setscheme(drw, scheme[(c == m->sel) ? SchemeSel : SchemeNorm]);
++ drw_text(drw, 0, y, selmon->maxWTab, h, 0, c->name, 0);
++ y += h;
++ }
++
++ drw_setscheme(drw, scheme[SchemeNorm]);
++ drw_map(drw, m->tabwin, 0, 0, selmon->maxWTab, selmon->maxHTab);
++}
++
++void
++altTabStart(const Arg *arg)
++{
++ selmon->altsnext = NULL;
++ if (selmon->tabwin)
++ altTabEnd();
++
++ if (selmon->isAlt == 1) {
++ altTabEnd();
++ } else {
++ selmon->isAlt = 1;
++ selmon->altTabN = 0;
++
++ Client *c;
++ Monitor *m = selmon;
++
++ m->nTabs = 0;
++ for(c = m->clients; c; c = c->next) { /* count clients */
++ if(!ISVISIBLE(c)) continue;
++ /* if (HIDDEN(c)) continue; uncomment if you're using awesomebar patch */
++
++ ++m->nTabs;
++ }
++
++ if (m->nTabs > 0) {
++ m->altsnext = (Client **) malloc(m->nTabs * sizeof(Client *));
++
++ int listIndex = 0;
++ for(c = m->stack; c; c = c->snext) { /* add clients to the list */
++ if(!ISVISIBLE(c)) continue;
++ /* if (HIDDEN(c)) continue; uncomment if you're using awesomebar patch */
++
++ m->altsnext[listIndex++] = c;
++ }
++
++ drawTab(m->nTabs, 1, m);
++
++ struct timespec ts = { .tv_sec = 0, .tv_nsec = 1000000 };
++
++ /* grab keyboard (take all input from keyboard) */
++ int grabbed = 1;
++ for (int i = 0;i < 1000;i++) {
++ if (XGrabKeyboard(dpy, DefaultRootWindow(dpy), True, GrabModeAsync, GrabModeAsync, CurrentTime) == GrabSuccess)
++ break;
++ nanosleep(&ts, NULL);
++ if (i == 1000 - 1)
++ grabbed = 0;
++ }
++
++ XEvent event;
++ altTab();
++ if (grabbed == 0) {
++ altTabEnd();
++ } else {
++ while (grabbed) {
++ XNextEvent(dpy, &event);
++ if (event.type == KeyPress || event.type == KeyRelease) {
++ if (event.type == KeyRelease && event.xkey.keycode == tabModKey) { /* if super key is released break cycle */
++ break;
++ } else if (event.type == KeyPress) {
++ if (event.xkey.keycode == tabCycleKey) {/* if XK_s is pressed move to the next window */
++ altTab();
++ }
++ }
++ }
++ }
++
++ c = selmon->sel;
++ altTabEnd(); /* end the alt-tab functionality */
++ /* XUngrabKeyboard(display, time); just a reference */
++ XUngrabKeyboard(dpy, CurrentTime); /* stop taking all input from keyboard */
++ focus(c);
++ restack(selmon);
++ }
++ } else {
++ altTabEnd(); /* end the alt-tab functionality */
++ }
++ }
++}
++
+ void
+ tag(const Arg *arg)
+ {
+--
+2.35.1
+
diff --git a/dwm.suckless.org/patches/alt-tab/get-xkey.c b/dwm.suckless.org/patches/alt-tab/get-xkey.c
@@ -0,0 +1,30 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <X11/Xlib.h>
+
+int main(void) {
+ Display *dpy;
+ Window win;
+ XEvent e;
+ int s;
+
+ dpy = XOpenDisplay(NULL);
+ if (dpy == NULL) {
+ fprintf(stderr, "Cannot open display\n");
+ exit(1);
+ }
+
+ s = DefaultScreen(dpy);
+ win = XCreateSimpleWindow(dpy, RootWindow(dpy, s), 10, 10, 100, 100, 0, 0, 0);
+ XSelectInput(dpy, win, ExposureMask | KeyPressMask);
+ XMapWindow(dpy, win);
+
+ while (1) {
+ XNextEvent(dpy, &e);
+ if (e.type == KeyPress)
+ printf("0x%x\n",e.xkey.keycode);
+ }
+
+ XCloseDisplay(dpy);
+ return 0;
+}
diff --git a/dwm.suckless.org/patches/alt-tab/index.md b/dwm.suckless.org/patches/alt-tab/index.md
@@ -0,0 +1,50 @@
+Alt-tab
+=======
+
+Description
+-----------
+This patch add alt-tab like functionality to dwm.
+It cycles through windows/clients in their recently used order.
+
+Configuration Options
+---------------------
+* `tabModKey` - If this key is hold the alt-tab functionality stays acitve. This key must be the same as key that is used to active functin altTabStart
+* `tabCycleKey` - If this key is hit the alt-tab program moves one position forward in clients stack. This key must be the same as key that is used to active functin altTabStart
+* `tabPosY` - Tab position on Y axis, 0 = bottom, 1 = center, 2 = top
+* `tabPosX` - Tab position on X axis, 0 = left, 1 = center, 2 = right
+* `maxWTab` - Tab menu width
+* `maxHTab` - Tab menu height
+
+keycode
+-------
+tabModkye and tabCycleKey are keycodes values.
+If you want to change them you can get different keycode values from "get-xkey" program bellow.
+
+Compile get-xkey
+```
+# compile
+gcc get-xkey.c -L/usr/X11R6/lib -lX11 -o get-xkey
+# run
+./get-xkey
+```
+Now just press desired key and watch output in stdout.
+To quit program just close the window or in the terminal press Ctrl+c.
+
+Notes
+-----
+This patch is also hosted on my [github](https://github.com/ViliamKovac1223/dwm-ViliamKovac1223-build/tree/main/patches).
+
+Download
+--------
+* [dwm-alttab-20220709-d3f93c7.diff](dwm-alttab-20220709-d3f93c7.diff)
+* [get-xkey.c](get-xkey.c)
+
+Authors
+-------
+* Viliam Kováč - viliamkovac1223@gmail.com
+
+Fake Internet money
+-------------------
+If you like my work and want to support me by some fake internet money, here is my monero address
+
+85EVKkDnQMYZxmJ7Fj5dG6Lw9V3vZRxAjft3btaB2FhzTCGoGocbRTAS857tgZvy1QD5cShxxp98S6y3utG3nqMTVARnW8P
