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/* See LICENSE file for copyright and license details. */

/* appearance */
static const unsigned int borderpx  = 1;        /* border pixel of windows */
static const unsigned int snap      = 32;       /* snap pixel */
static const int showbar            = 1;        /* 0 means no bar */
static const int topbar             = 1;        /* 0 means bottom bar */
static const char *fonts[]          = { "monospace:size=10" };
static const char dmenufont[]       = "monospace:size=10";
static const char col_gray1[]       = "#222222";
static const char col_gray2[]       = "#444444";
static const char col_gray3[]       = "#bbbbbb";
static const char col_gray4[]       = "#eeeeee";
static const char col_cyan[]        = "#005577";
static const char *colors[SchemeLast][3]      = {
	/*               fg         bg         border   */
	[SchemeNorm] = { col_gray3, col_gray1, col_gray2 },
	[SchemeSel] =  { col_gray4, col_cyan,  col_cyan  },
};

/* tagging */
static const char *tags[] = { "1", "2", "3", "4", "5", "6", "7", "8", "9" };

static const Rule rules[] = {
	/* xprop(1):
	 *	WM_CLASS(STRING) = instance, class
	 *	WM_NAME(STRING) = title
	 */
	/* class      instance    title       tags mask     isfloating   monitor */
	{ "Gimp",     NULL,       NULL,       0,            1,           -1 },
	{ "Firefox",  NULL,       NULL,       1 << 8,       0,           -1 },
};

/* layout(s) */
static const float mfact     = 0.55; /* factor of master area size [0.05..0.95] */
static const int nmaster     = 1;    /* number of clients in master area */
static const int resizehints = 1;    /* 1 means respect size hints in tiled resizals */

static const Layout layouts[] = {
	/* symbol     arrange function */
	{ "[]=",      tile },    /* first entry is default */
	{ "><>",      NULL },    /* no layout function means floating behavior */
	{ "[M]",      monocle },
};

/* key definitions */
#define MODKEY Mod1Mask
#define TAGKEYS(KEY,TAG) \
	{ MODKEY,                       KEY,      view,           {.ui = 1 << TAG} }, \
	{ MODKEY|ControlMask,           KEY,      toggleview,     {.ui = 1 << TAG} }, \
	{ MODKEY|ShiftMask,             KEY,      tag,            {.ui = 1 << TAG} }, \
	{ MODKEY|ControlMask|ShiftMask, KEY,      toggletag,      {.ui = 1 << TAG} },

/* helper for spawning shell commands in the pre dwm-5.0 fashion */
#define SHCMD(cmd) { .v = (const char*[]){ "/bin/sh", "-c", cmd, NULL } }

/* commands */
static char dmenumon[2] = "0"; /* component of dmenucmd, manipulated in spawn() */
static const char *dmenucmd[] = { "dmenu_run", "-m", dmenumon, "-fn", dmenufont, "-nb", col_gray1, "-nf", col_gray3, "-sb", col_cyan, "-sf", col_gray4, NULL };
static const char *termcmd[]  = { "st", NULL };

static Key keys[] = {
	/* modifier                     key        function        argument */
	{ MODKEY,                       XK_p,      spawn,          {.v = dmenucmd } },
	{ MODKEY|ShiftMask,             XK_Return, spawn,          {.v = termcmd } },
	{ MODKEY,                       XK_b,      togglebar,      {0} },
	{ MODKEY,                       XK_j,      focusstack,     {.i = +1 } },
	{ MODKEY,                       XK_k,      focusstack,     {.i = -1 } },
	{ MODKEY,                       XK_i,      incnmaster,     {.i = +1 } },
	{ MODKEY,                       XK_d,      incnmaster,     {.i = -1 } },
	{ 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|ShiftMask,             XK_c,      killclient,     {0} },
	{ MODKEY,                       XK_t,      setlayout,      {.v = &layouts[0]} },
	{ MODKEY,                       XK_f,      setlayout,      {.v = &layouts[1]} },
	{ MODKEY,                       XK_m,      setlayout,      {.v = &layouts[2]} },
	{ MODKEY,                       XK_space,  setlayout,      {0} },
	{ MODKEY|ShiftMask,             XK_space,  togglefloating, {0} },
	{ MODKEY,                       XK_0,      view,           {.ui = ~0 } },
	{ MODKEY|ShiftMask,             XK_0,      tag,            {.ui = ~0 } },
	{ MODKEY,                       XK_comma,  focusmon,       {.i = -1 } },
	{ MODKEY,                       XK_period, focusmon,       {.i = +1 } },
	{ MODKEY|ShiftMask,             XK_comma,  tagmon,         {.i = -1 } },
	{ MODKEY|ShiftMask,             XK_period, tagmon,         {.i = +1 } },
	TAGKEYS(                        XK_1,                      0)
	TAGKEYS(                        XK_2,                      1)
	TAGKEYS(                        XK_3,                      2)
	TAGKEYS(                        XK_4,                      3)
	TAGKEYS(                        XK_5,                      4)
	TAGKEYS(                        XK_6,                      5)
	TAGKEYS(                        XK_7,                      6)
	TAGKEYS(                        XK_8,                      7)
	TAGKEYS(                        XK_9,                      8)
	{ MODKEY|ShiftMask,             XK_q,      quit,           {0} },
};

/* button definitions */
/* click can be ClkLtSymbol, ClkStatusText, ClkWinTitle, ClkClientWin, or ClkRootWin */
static Button buttons[] = {
	/* click                event mask      button          function        argument */
	{ ClkLtSymbol,          0,              Button1,        setlayout,      {0} },
	{ ClkLtSymbol,          0,              Button3,        setlayout,      {.v = &layouts[2]} },
	{ ClkWinTitle,          0,              Button2,        zoom,           {0} },
	{ ClkStatusText,        0,              Button2,        spawn,          {.v = termcmd } },
	{ ClkClientWin,         MODKEY,         Button1,        movemouse,      {0} },
	{ ClkClientWin,         MODKEY,         Button2,        togglefloating, {0} },
	{ ClkClientWin,         MODKEY,         Button3,        resizemouse,    {0} },
	{ ClkTagBar,            0,              Button1,        view,           {0} },
	{ ClkTagBar,            0,              Button3,        toggleview,     {0} },
	{ ClkTagBar,            MODKEY,         Button1,        tag,            {0} },
	{ ClkTagBar,            MODKEY,         Button3,        toggletag,      {0} },
};
span class="w"> localX >= len(ti.prompt)+1 && localX <= len(ti.text[ti.scroll:])+len(ti.prompt)+1 { ti.index = localX - len(ti.prompt) - 1 ti.ensureScroll() ti.Invalidate() } } } } func (ti *TextInput) Focus(focus bool) { ti.focus = focus if focus && ti.ctx != nil { cells := runewidth.StringWidth(string(ti.text[:ti.index])) ti.ctx.SetCursor(cells+1, 0) } else if !focus && ti.ctx != nil { ti.ctx.HideCursor() } } func (ti *TextInput) ensureScroll() { if ti.ctx == nil { return } // God why am I this lazy for ti.index-ti.scroll >= ti.ctx.Width() { ti.scroll++ } for ti.index-ti.scroll < 0 { ti.scroll-- } } func (ti *TextInput) insert(ch rune) { left := ti.text[:ti.index] right := ti.text[ti.index:] ti.text = append(left, append([]rune{ch}, right...)...) ti.index++ ti.ensureScroll() ti.Invalidate() ti.onChange() } func (ti *TextInput) deleteWord() { // TODO: Break on any of / " ' if len(ti.text) == 0 { return } i := ti.index - 1 if ti.text[i] == ' ' { i-- } for ; i >= 0; i-- { if ti.text[i] == ' ' { break } } ti.text = append(ti.text[:i+1], ti.text[ti.index:]...) ti.index = i + 1 ti.ensureScroll() ti.Invalidate() ti.onChange() } func (ti *TextInput) deleteLineForward() { if len(ti.text) == 0 || len(ti.text) == ti.index { return } ti.text = ti.text[:ti.index] ti.ensureScroll() ti.Invalidate() ti.onChange() } func (ti *TextInput) deleteLineBackward() { if len(ti.text) == 0 || ti.index == 0 { return } ti.text = ti.text[ti.index:] ti.index = 0 ti.ensureScroll() ti.Invalidate() ti.onChange() } func (ti *TextInput) deleteChar() { if len(ti.text) > 0 && ti.index != len(ti.text) { ti.text = append(ti.text[:ti.index], ti.text[ti.index+1:]...) ti.ensureScroll() ti.Invalidate() ti.onChange() } } func (ti *TextInput) backspace() { if len(ti.text) > 0 && ti.index != 0 { ti.text = append(ti.text[:ti.index-1], ti.text[ti.index:]...) ti.index-- ti.ensureScroll() ti.Invalidate() ti.onChange() } } func (ti *TextInput) executeCompletion() { if len(ti.completions) > 0 { ti.Set(ti.completions[ti.completeIndex] + ti.StringRight()) } } func (ti *TextInput) invalidateCompletions() { ti.completions = nil } func (ti *TextInput) onChange() { ti.updateCompletions() for _, change := range ti.change { change(ti) } } func (ti *TextInput) updateCompletions() { if ti.tabcomplete == nil { // no completer return } if ti.completeDebouncer == nil { ti.completeDebouncer = time.AfterFunc(ti.completeDelay, func() { ti.showCompletions() }) } else { ti.completeDebouncer.Stop() ti.completeDebouncer.Reset(ti.completeDelay) } } func (ti *TextInput) showCompletions() { ti.completions = ti.tabcomplete(ti.StringLeft()) ti.completeIndex = 0 ti.Invalidate() } func (ti *TextInput) OnChange(onChange func(ti *TextInput)) { ti.change = append(ti.change, onChange) } func (ti *TextInput) Event(event tcell.Event) bool { switch event := event.(type) { case *tcell.EventKey: switch event.Key() { case tcell.KeyBackspace, tcell.KeyBackspace2: ti.invalidateCompletions() ti.backspace() case tcell.KeyCtrlD, tcell.KeyDelete: ti.invalidateCompletions() ti.deleteChar() case tcell.KeyCtrlB, tcell.KeyLeft: ti.invalidateCompletions() if ti.index > 0 { ti.index-- ti.ensureScroll() ti.Invalidate() } case tcell.KeyCtrlF, tcell.KeyRight: ti.invalidateCompletions() if ti.index < len(ti.text) { ti.index++ ti.ensureScroll() ti.Invalidate() } case tcell.KeyCtrlA, tcell.KeyHome: ti.invalidateCompletions() ti.index = 0 ti.ensureScroll() ti.Invalidate() case tcell.KeyCtrlE, tcell.KeyEnd: ti.invalidateCompletions() ti.index = len(ti.text) ti.ensureScroll() ti.Invalidate() case tcell.KeyCtrlK: ti.invalidateCompletions() ti.deleteLineForward() case tcell.KeyCtrlW: ti.invalidateCompletions() ti.deleteWord() case tcell.KeyCtrlU: ti.invalidateCompletions() ti.deleteLineBackward() case tcell.KeyESC: if ti.completions != nil { ti.invalidateCompletions() ti.Invalidate() } case tcell.KeyTab: ti.showCompletions() case tcell.KeyRune: ti.invalidateCompletions() ti.insert(event.Rune()) } } return true } type completions struct { options []string stringLeft string idx int onSelect func(int) onExec func() onStem func(string) } func maxLen(ss []string) int { max := 0 for _, s := range ss { l := runewidth.StringWidth(s) if l > max { max = l } } return max } func (c *completions) Draw(ctx *Context) { bg := tcell.StyleDefault sel := tcell.StyleDefault.Reverse(true) gutter := tcell.StyleDefault pill := tcell.StyleDefault.Reverse(true) ctx.Fill(0, 0, ctx.Width(), ctx.Height(), ' ', bg) numVisible := ctx.Height() startIdx := 0 if len(c.options) > numVisible && c.idx+1 > numVisible { startIdx = c.idx - (numVisible - 1) } endIdx := startIdx + numVisible - 1 for idx, opt := range c.options { if idx < startIdx { continue } if idx > endIdx { continue } if c.idx == idx { ctx.Fill(0, idx-startIdx, ctx.Width(), 1, ' ', sel) ctx.Printf(0, idx-startIdx, sel, " %s ", opt) } else { ctx.Printf(0, idx-startIdx, bg, " %s ", opt) } } percentVisible := float64(numVisible) / float64(len(c.options)) if percentVisible >= 1.0 { return } // gutter ctx.Fill(ctx.Width()-1, 0, 1, ctx.Height(), ' ', gutter) pillSize := int(math.Ceil(float64(ctx.Height()) * percentVisible)) percentScrolled := float64(startIdx) / float64(len(c.options)) pillOffset := int(math.Floor(float64(ctx.Height()) * percentScrolled)) ctx.Fill(ctx.Width()-1, pillOffset, 1, pillSize, ' ', pill) } func (c *completions) next() { idx := c.idx idx++ if idx > len(c.options)-1 { idx = 0 } c.onSelect(idx) } func (c *completions) prev() { idx := c.idx idx-- if idx < 0 { idx = len(c.options) - 1 } c.onSelect(idx) } func (c *completions) Event(e tcell.Event) bool { switch e := e.(type) { case *tcell.EventKey: switch e.Key() { case tcell.KeyTab: if len(c.options) == 1 { c.onExec() } else { stem := findStem(c.options) if stem != "" && stem != c.stringLeft { c.onStem(stem) } else { c.next() } } return true case tcell.KeyCtrlN, tcell.KeyDown: c.next() return true case tcell.KeyBacktab, tcell.KeyCtrlP, tcell.KeyUp: c.prev() return true case tcell.KeyEnter: c.onExec() return true } } return false } func findStem(words []string) string { if len(words) <= 0 { return "" } if len(words) == 1 { return words[0] } var stem string stemLen := 1 firstWord := []rune(words[0]) for { if len(firstWord) < stemLen { return stem } var r rune = firstWord[stemLen-1] for _, word := range words[1:] { runes := []rune(word) if len(runes) < stemLen { return stem } if runes[stemLen-1] != r { return stem } } stem = stem + string(r) stemLen++ } } func (c *completions) Focus(_ bool) {} func (c *completions) Invalidate() {} func (c *completions) OnInvalidate(_ func(Drawable)) {}