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	dwm-preview-all-windows-6.5.diff (9620B)
	---
	1 diff --git a/config.def.h b/config.def.h
	2 index 4412cb1..24f39a7 100644
	3 --- a/config.def.h
	4 +++ b/config.def.h
	5 @@ -1,5 +1,8 @@
	6 /* See LICENSE file for copyright and license details. */
	7
	8 +//#define ACTUALFULLSCREEN /* Uncomment if the actualfullscreen patch i…
	9 +//#define AWESOMEBAR /* Uncommnet if the awesomebar patch is used…
	10 +
	11 /* appearance */
	12 static const unsigned int borderpx = 1; /* border pixel of wind…
	13 static const unsigned int snap = 32; /* snap pixel */
	14 @@ -95,6 +98,7 @@ static const Key keys[] = {
	15 TAGKEYS( XK_8, 7)
	16 TAGKEYS( XK_9, 8)
	17 { MODKEY\|ShiftMask, XK_q, quit, {0} …
	18 + { MODKEY, XK_r, previewallwin, {0}…
	19 };
	20
	21 /* button definitions */
	22 diff --git a/config.mk b/config.mk
	23 index 8efca9a..8df2978 100644
	24 --- a/config.mk
	25 +++ b/config.mk
	26 @@ -23,7 +23,7 @@ FREETYPEINC = /usr/include/freetype2
	27
	28 # includes and libs
	29 INCS = -I${X11INC} -I${FREETYPEINC}
	30 -LIBS = -L${X11LIB} -lX11 ${XINERAMALIBS} ${FREETYPELIBS}
	31 +LIBS = -L${X11LIB} -lX11 ${XINERAMALIBS} ${FREETYPELIBS} -lXrender
	32
	33 # flags
	34 CPPFLAGS = -D_DEFAULT_SOURCE -D_BSD_SOURCE -D_XOPEN_SOURCE=700L -DVERSI…
	35 diff --git a/dwm.c b/dwm.c
	36 index 1443802..ac561fa 100644
	37 --- a/dwm.c
	38 +++ b/dwm.c
	39 @@ -40,6 +40,7 @@
	40 #include <X11/extensions/Xinerama.h>
	41 #endif /* XINERAMA */
	42 #include <X11/Xft/Xft.h>
	43 +#include <X11/extensions/Xrender.h>
	44
	45 #include "drw.h"
	46 #include "util.h"
	47 @@ -83,6 +84,16 @@ typedef struct {
	48
	49 typedef struct Monitor Monitor;
	50 typedef struct Client Client;
	51 +
	52 +typedef struct Preview Preview;
	53 +struct Preview {
	54 + XImage *orig_image;
	55 + XImage *scaled_image;
	56 + Window win;
	57 + unsigned int x, y;
	58 + Preview *next;
	59 +};
	60 +
	61 struct Client {
	62 char name[256];
	63 float mina, maxa;
	64 @@ -96,6 +107,7 @@ struct Client {
	65 Client *snext;
	66 Monitor *mon;
	67 Window win;
	68 + Preview pre;
	69 };
	70
	71 typedef struct {
	72 @@ -232,6 +244,10 @@ static int xerror(Display dpy, XErrorEvent ee);
	73 static int xerrordummy(Display dpy, XErrorEvent ee);
	74 static int xerrorstart(Display dpy, XErrorEvent ee);
	75 static void zoom(const Arg *arg);
	76 +static void previewallwin();
	77 +static void setpreviewwindowsizepositions(unsigned int n, Monitor *m, u…
	78 +static XImage getwindowximage(Client c);
	79 +static XImage scaledownimage(XImage orig_image, unsigned int cw, unsi…
	80
	81 /* variables */
	82 static const char broken[] = "broken";
	83 @@ -2139,6 +2155,210 @@ zoom(const Arg *arg)
	84 pop(c);
	85 }
	86
	87 +void
	88 +previewallwin(){
	89 + Monitor *m = selmon;
	90 + Client c, focus_c = NULL;
	91 + unsigned int n;
	92 + for (n = 0, c = m->clients; c; c = c->next, n++){
	93 +#ifdef ACTUALFULLSCREEN
	94 + if (c->isfullscreen)
	95 + togglefullscr(&(Arg){0});
	96 +#endif
	97 +#ifdef AWESOMEBAR
	98 + if (HIDDEN(c))
	99 + continue;
	100 +#endif
	101 + c->pre.orig_image = getwindowximage(c);
	102 + }
	103 + if (n == 0)
	104 + return;
	105 + setpreviewwindowsizepositions(n, m, 60, 15);
	106 + XEvent event;
	107 + for(c = m->clients; c; c = c->next){
	108 + if (!c->pre.win)
	109 + c->pre.win = XCreateSimpleWindow(dpy, root, c->…
	110 + else
	111 + XMoveResizeWindow(dpy, c->pre.win, c->pre.x, c-…
	112 + XSetWindowBorder(dpy, c->pre.win, scheme[SchemeNorm][Co…
	113 + XUnmapWindow(dpy, c->win);
	114 + if (c->pre.win){
	115 + XSelectInput(dpy, c->pre.win, ButtonPress \| Ent…
	116 + XMapWindow(dpy, c->pre.win);
	117 + GC gc = XCreateGC(dpy, c->pre.win, 0, NULL);
	118 + XPutImage(dpy, c->pre.win, gc, c->pre.scaled_im…
	119 + }
	120 + }
	121 + while (1) {
	122 + XNextEvent(dpy, &event);
	123 + if (event.type == ButtonPress)
	124 + if (event.xbutton.button == Button1){
	125 + for(c = m->clients; c; c = c->next){
	126 + XUnmapWindow(dpy, c->pre.win);
	127 + if (event.xbutton.window == c->…
	128 + selmon->seltags ^= 1; /…
	129 + m->tagset[selmon->selta…
	130 + focus_c = c;
	131 + focus(NULL);
	132 +#ifdef AWESOMEBAR
	133 + if (HIDDEN(c)){
	134 + showwin(c);
	135 + continue;
	136 + }
	137 +#endif
	138 + }
	139 + /* If you hit awesomebar patch …
	140 + * And you should add the follo…
	141 + * c->pre.orig_image = getwindo…
	142 + * */
	143 +#ifdef AWESOMEBAR
	144 + if (HIDDEN(c)){
	145 + continue;
	146 + }
	147 +#endif
	148 + XMapWindow(dpy, c->win);
	149 + XDestroyImage(c->pre.orig_image…
	150 + XDestroyImage(c->pre.scaled_ima…
	151 + }
	152 + break;
	153 + }
	154 + if (event.type == EnterNotify)
	155 + for(c = m->clients; c; c = c->next)
	156 + if (event.xcrossing.window == c->pre.wi…
	157 + XSetWindowBorder(dpy, c->pre.wi…
	158 + break;
	159 + }
	160 + if (event.type == LeaveNotify)
	161 + for(c = m->clients; c; c = c->next)
	162 + if (event.xcrossing.window == c->pre.wi…
	163 + XSetWindowBorder(dpy, c->pre.wi…
	164 + break;
	165 + }
	166 + }
	167 + arrange(m);
	168 + focus(focus_c);
	169 +}
	170 +
	171 +void
	172 +setpreviewwindowsizepositions(unsigned int n, Monitor *m, unsigned int …
	173 + unsigned int i, j;
	174 + unsigned int cx, cy, cw, ch, cmaxh;
	175 + unsigned int cols, rows;
	176 + Client c, tmpc;
	177 +
	178 + if (n == 1) {
	179 + c = m->clients;
	180 + cw = (m->ww - 2 * gappo) * 0.8;
	181 + ch = (m->wh - 2 * gappo) * 0.9;
	182 + c->pre.scaled_image = scaledownimage(c->pre.orig_image,…
	183 + c->pre.x = m->mx + (m->mw - c->pre.scaled_image->width)…
	184 + c->pre.y = m->my + (m->mh - c->pre.scaled_image->height…
	185 + return;
	186 + }
	187 + if (n == 2) {
	188 + c = m->clients;
	189 + cw = (m->ww - 2 * gappo - gappi) / 2;
	190 + ch = (m->wh - 2 * gappo) * 0.7;
	191 + c->pre.scaled_image = scaledownimage(c->pre.orig_image,…
	192 + c->next->pre.scaled_image = scaledownimage(c->next->pre…
	193 + c->pre.x = m->mx + (m->mw - c->pre.scaled_image->width …
	194 + c->pre.y = m->my + (m->mh - c->pre.scaled_image->height…
	195 + c->next->pre.x = c->pre.x + c->pre.scaled_image->width …
	196 + c->next->pre.y = m->my + (m->mh - c->next->pre.scaled_i…
	197 + return;
	198 + }
	199 + for (cols = 0; cols <= n / 2; cols++)
	200 + if (cols * cols >= n)
	201 + break;
	202 + rows = (cols && (cols - 1) * cols >= n) ? cols - 1 : cols;
	203 + ch = (m->wh - 2 * gappo) / rows;
	204 + cw = (m->ww - 2 * gappo) / cols;
	205 + c = m->clients;
	206 + cy = 0;
	207 + for (i = 0; i < rows; i++) {
	208 + cx = 0;
	209 + cmaxh = 0;
	210 + tmpc = c;
	211 + for (int j = 0; j < cols; j++) {
	212 + if (!c)
	213 + break;
	214 + c->pre.scaled_image = scaledownimage(c->pre.ori…
	215 + c->pre.x = cx;
	216 + cmaxh = c->pre.scaled_image->height > cmaxh ? c…
	217 + cx += c->pre.scaled_image->width + gappi;
	218 + c = c->next;
	219 + }
	220 + c = tmpc;
	221 + cx = m->wx + (m->ww - cx) / 2;
	222 + for (j = 0; j < cols; j++) {
	223 + if (!c)
	224 + break;
	225 + c->pre.x += cx;
	226 + c->pre.y = cy + (cmaxh - c->pre.scaled_image->h…
	227 + c = c->next;
	228 + }
	229 + cy += cmaxh + gappi;
	230 + }
	231 + cy = m->wy + (m->wh - cy) / 2;
	232 + for (c = m->clients; c; c = c->next)
	233 + c->pre.y += cy;
	234 +}
	235 +
	236 +XImage*
	237 +getwindowximage(Client *c) {
	238 + XWindowAttributes attr;
	239 + XGetWindowAttributes( dpy, c->win, &attr );
	240 + XRenderPictFormat *format = XRenderFindVisualFormat( dpy, attr.…
	241 + int hasAlpha = ( format->type == PictTypeDirect && format->dire…
	242 + XRenderPictureAttributes pa;
	243 + pa.subwindow_mode = IncludeInferiors;
	244 + Picture picture = XRenderCreatePicture( dpy, c->win, format, CP…
	245 + Pixmap pixmap = XCreatePixmap(dpy, root, c->w, c->h, 32);
	246 + XRenderPictureAttributes pa2;
	247 + XRenderPictFormat *format2 = XRenderFindStandardFormat(dpy, Pic…
	248 + Picture pixmapPicture = XRenderCreatePicture( dpy, pixmap, form…
	249 + XRenderColor color;
	250 + color.red = 0x0000;
	251 + color.green = 0x0000;
	252 + color.blue = 0x0000;
	253 + color.alpha = 0x0000;
	254 + XRenderFillRectangle (dpy, PictOpSrc, pixmapPicture, &color, 0,…
	255 + XRenderComposite(dpy, hasAlpha ? PictOpOver : PictOpSrc, pictur…
	256 + pixmapPicture, 0, 0, 0, 0, 0, 0,
	257 + c->w, c->h);
	258 + XImage* temp = XGetImage( dpy, pixmap, 0, 0, c->w, c->h, AllPla…
	259 + temp->red_mask = format2->direct.redMask << format2->direct.red;
	260 + temp->green_mask = format2->direct.greenMask << format2->direct…
	261 + temp->blue_mask = format2->direct.blueMask << format2->direct.b…
	262 + temp->depth = DefaultDepth(dpy, screen);
	263 + return temp;
	264 +}
	265 +
	266 +XImage*
	267 +scaledownimage(XImage *orig_image, unsigned int cw, unsigned int ch) {
	268 + int factor_w = orig_image->width / cw + 1;
	269 + int factor_h = orig_image->height / ch + 1;
	270 + int scale_factor = factor_w > factor_h ? factor_w : factor_h;
	271 + int scaled_width = orig_image->width / scale_factor;
	272 + int scaled_height = orig_image->height / scale_factor;
	273 + XImage *scaled_image = XCreateImage(dpy, DefaultVisual(dpy, Def…
	274 + orig_image->depth,
	275 + ZPixmap, 0, NULL,
	276 + scaled_width, scaled_height,
	277 + 32, 0);
	278 + scaled_image->data = malloc(scaled_image->height * scaled_image…
	279 + for (int y = 0; y < scaled_height; y++) {
	280 + for (int x = 0; x < scaled_width; x++) {
	281 + int orig_x = x * scale_factor;
	282 + int orig_y = y * scale_factor;
	283 + unsigned long pixel = XGetPixel(orig_image, ori…
	284 + XPutPixel(scaled_image, x, y, pixel);
	285 + }
	286 + }
	287 + scaled_image->depth = orig_image->depth;
	288 + return scaled_image;
	289 +}
	290 +
	291 int
	292 main(int argc, char *argv[])
	293 {
	294 --
	295 2.48.1
	296