bouml/2.session


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window_sizes 1678 1033 389 1279 848 95
motifplus_style
diagrams
  sequencediagram_ref 128130 // basic logic
    439 848 101 4 0 0
  classdiagram_ref 128002 // cd
    1117 726 100 4 0 0
  sequencediagram_ref 128258 // widget
    1117 726 100 4 0 0
  active  sequencediagram_ref 134786 // startup
    1279 848 100 4 0 0
end
show_stereotypes
selected operation_ref 140162 // sort_if_outdated
open
  operation_ref 130178 // new
  class_ref 129154 // WStatusBar
  class_ref 129282 // WDisplay
  class_ref 129410 // WMessage
  class_ref 129538 // WTitleBar
  class_ref 136066 // Window
  operation_ref 139010 // load_once
  operation_ref 139138 // load_if_outdated
  operation_ref 139266 // load_content_once
  operation_ref 139394 // load_content_if_outdated
  operation_ref 138754 // correct_pointer
end
end
verbose
/*
 * (C)opyright MMVI Anselm R. Garbe <garbeam at gmail dot com>
 * See LICENSE file for license details.
 */
#include "dwm.h"

#include <stdlib.h>
#include <string.h>
#include <X11/Xatom.h>
#include <X11/Xutil.h>

/* static functions */

static void
resizetitle(Client *c)
{
	int i;

	c->tw = 0;
	for(i = 0; i < TLast; i++)
		if(c->tags[i])
			c->tw += textw(c->tags[i]);
	c->tw += textw(c->name);
	if(c->tw > c->w)
		c->tw = c->w + 2;
	c->tx = c->x + c->w - c->tw + 2;
	c->ty = c->y;
	if(c->tags[tsel])
		XMoveResizeWindow(dpy, c->title, c->tx, c->ty, c->tw, c->th);
	else
		XMoveResizeWindow(dpy, c->title, c->tx + 2 * sw, c->ty, c->tw, c->th);

}

static int
xerrordummy(Display *dsply, XErrorEvent *ee)
{
	return 0;
}

/* extern functions */

void
ban(Client *c)
{
	XMoveWindow(dpy, c->win, c->x + 2 * sw, c->y);
	XMoveWindow(dpy, c->title, c->tx + 2 * sw, c->ty);
}

void
focus(Client *c)
{
	Client *old = sel;
	XEvent ev;

	sel = c;
	if(old && old != c)
		drawtitle(old);
	drawtitle(c);
	XSetInputFocus(dpy, c->win, RevertToPointerRoot, CurrentTime);
	XSync(dpy, False);
	while(XCheckMaskEvent(dpy, EnterWindowMask, &ev));
}

void
focusnext(Arg *arg)
{
	Client *c;
   
	if(!sel)
		return;

	if(sel->ismax)
		togglemax(NULL);

	if(!(c = getnext(sel->next, tsel)))
		c = getnext(clients, tsel);
	if(c) {
		higher(c);
		focus(c);
	}
}

void
focusprev(Arg *arg)
{
	Client *c;

	if(!sel)
		return;

	if(sel->ismax)
		togglemax(NULL);

	if(!(c = getprev(sel->prev))) {
		for(c = clients; c && c->next; c = c->next);
		c = getprev(c);
	}
	if(c) {
		higher(c);
		focus(c);
	}
}

Client *
getclient(Window w)
{
	Client *c;

	for(c = clients; c; c = c->next)
		if(c->win == w)
			return c;
	return NULL;
}

Client *
getctitle(Window w)
{
	Client *c;

	for(c = clients; c; c = c->next)
		if(c->title == w)
			return c;
	return NULL;
}

void
gravitate(Client *c, Bool invert)
{
	int dx = 0, dy = 0;

	switch(c->grav) {
	default:
		break;
	case StaticGravity:
	case NorthWestGravity:
	case NorthGravity:
	case NorthEastGravity:
		dy = c->border;
		break;
	case EastGravity:
	case CenterGravity:
	case WestGravity:
		dy = -(c->h / 2) + c->border;
		break;
	case SouthEastGravity:
	case SouthGravity:
	case SouthWestGravity:
		dy = -(c->h);
		break;
	}

	switch (c->grav) {
	default:
		break;
	case StaticGravity:
	case NorthWestGravity:
	case WestGravity:
	case SouthWestGravity:
		dx = c->border;
		break;
	case NorthGravity:
	case CenterGravity:
	case SouthGravity:
		dx = -(c->w / 2) + c->border;
		break;
	case NorthEastGravity:
	case EastGravity:
	case SouthEastGravity:
		dx = -(c->w + c->border);
		break;
	}

	if(invert) {
		dx = -dx;
		dy = -dy;
	}
	c->x += dx;
	c->y += dy;
}

void
higher(Client *c)
{
	XRaiseWindow(dpy, c->win);
	XRaiseWindow(dpy, c->title);
}

void
killclient(Arg *arg)
{
	if(!sel)
		return;
	if(sel->proto & WM_PROTOCOL_DELWIN)
		sendevent(sel->win, wmatom[WMProtocols], wmatom[WMDelete]);
	else
		XKillClient(dpy, sel->win);
}

void
lower(Client *c)
{
	XLowerWindow(dpy, c->title);
	XLowerWindow(dpy, c->win);
}

void
manage(Window w, XWindowAttributes *wa)
{
	Client *c;
	Window trans;
	XSetWindowAttributes twa;

	c = emallocz(sizeof(Client));
	c->win = w;
	c->x = c->tx = wa->x;
	c->y = c->ty = wa->y;
	c->w = c->tw = wa->width;
	c->h = wa->height;
	c->th = bh;

	if(c->y < bh)
		c->y = c->ty = bh;

	c->border = 1;
	c->proto = getproto(c->win);
	setsize(c);
	XSelectInput(dpy, c->win,
		StructureNotifyMask | PropertyChangeMask | EnterWindowMask);
	XGetTransientForHint(dpy, c->win, &trans);
	twa.override_redirect = 1;
	twa.background_pixmap = ParentRelative;
	twa.event_mask = ExposureMask;

	c->title = XCreateWindow(dpy, root, c->tx, c->ty, c->tw, c->th,
			0, DefaultDepth(dpy, screen), CopyFromParent,
			DefaultVisual(dpy, screen),
			CWOverrideRedirect | CWBackPixmap | CWEventMask, &twa);

	settags(c);

	if(clients)
		clients->prev = c;
	c->next = clients;
	clients = c;

	XGrabButton(dpy, Button1, MODKEY, c->win, False, ButtonPressMask,
			GrabModeAsync, GrabModeSync, None, None);
	XGrabButton(dpy, Button2, MODKEY, c->win, False, ButtonPressMask,
			GrabModeAsync, GrabModeSync, None, None);
	XGrabButton(dpy, Button3, MODKEY, c->win, False, ButtonPressMask,
			GrabModeAsync, GrabModeSync, None, None);

	if(!c->isfloat)
		c->isfloat = trans || (c->maxw && c->minw &&
				(c->maxw == c->minw) && (c->maxh == c->minh));


	settitle(c);
	arrange(NULL);

	/* mapping the window now prevents flicker */
	if(c->tags[tsel]) {
		XMapRaised(dpy, c->win);
		XMapRaised(dpy, c->title);
		focus(c);
	}
	else {
		XMapRaised(dpy, c->win);
		XMapRaised(dpy, c->title);

	}
}

void
pop(Client *c)
{
	Client **l;

	for(l = &clients; *l && *l != c; l = &(*l)->next);
	if(c->prev)
		c->prev->next = c->next;
	if(c->next)
		c->next->prev = c->prev;
	*l = c->next;

	c->prev = NULL;
	if(clients)
		clients->prev = c;
	c->next = clients;
	clients = c;
	arrange(NULL);
}

void
resize(Client *c, Bool sizehints, Corner sticky)
{
	int bottom = c->y + c->h;
	int right = c->x + c->w;
	XConfigureEvent e;

	if(sizehints) {
		if(c->incw)
			c->w -= (c->w - c->basew) % c->incw;
		if(c->inch)
			c->h -= (c->h - c->baseh) % c->inch;
		if(c->minw && c->w < c->minw)
			c->w = c->minw;
		if(c->minh && c->h < c->minh)
			c->h = c->minh;
		if(c->maxw && c->w > c->maxw)
			c->w = c->maxw;
		if(c->maxh && c->h > c->maxh)
			c->h = c->maxh;
	}
	if(c->x > sw) /* might happen on restart */
		c->x = sw - c->w;
	if(c->y > sh)
		c->y = sh - c->h;
	if(sticky == TopRight || sticky == BotRight)
		c->x = right - c->w;
	if(sticky == BotLeft || sticky == BotRight)
		c->y = bottom - c->h;

	resizetitle(c);
	XSetWindowBorderWidth(dpy, c->win, 1);
	XMoveResizeWindow(dpy, c->win, c->x, c->y, c->w, c->h);

	e.type = ConfigureNotify;
	e.event = c->win;
	e.window = c->win;
	e.x = c->x;
	e.y = c->y;
	e.width = c->w;
	e.height = c->h;
	e.border_width = c->border;
	e.above = None;
	e.override_redirect = False;
	XSendEvent(dpy, c->win, False, StructureNotifyMask, (XEvent *)&e);
	XSync(dpy, False);
}

void
setsize(Client *c)
{
	long msize;
	XSizeHints size;

	if(!XGetWMNormalHints(dpy, c->win, &size, &msize) || !size.flags)
		size.flags = PSize;
	c->flags = size.flags;
	if(c->flags & PBaseSize) {
		c->basew = size.base_width;
		c->baseh = size.base_height;
	}
	else
		c->basew = c->baseh = 0;
	if(c->flags & PResizeInc) {
		c->incw = size.width_inc;
		c->inch = size.height_inc;
	}
	else
		c->incw = c->inch = 0;
	if(c->flags & PMaxSize) {
		c->maxw = size.max_width;
		c->maxh = size.max_height;
	}
	else
		c->maxw = c->maxh = 0;
	if(c->flags & PMinSize) {
		c->minw = size.min_width;
		c->minh = size.min_height;
	}
	else
		c->minw = c->minh = 0;
	if(c->flags & PWinGravity)
		c->grav = size.win_gravity;
	else
		c->grav = NorthWestGravity;
}

void
settitle(Client *c)
{
	char **list = NULL;
	int n;
	XTextProperty name;

	name.nitems = 0;
	c->name[0] = 0;
	XGetTextProperty(dpy, c->win, &name, netatom[NetWMName]);
	if(!name.nitems)
		XGetWMName(dpy, c->win, &name);
	if(!name.nitems)
		return;
	if(name.encoding == XA_STRING)
		strncpy(c->name, (char *)name.value, sizeof(c->name));
	else {
		if(XmbTextPropertyToTextList(dpy, &name, &list, &n) >= Success
				&& n > 0 && *list)
		{
			strncpy(c->name, *list, sizeof(c->name));
			XFreeStringList(list);
		}
	}
	XFree(name.value);
	resizetitle(c);
}

void
togglemax(Arg *arg)
{
	int ox, oy, ow, oh;
	XEvent ev;

	if(!sel)
		return;

	if((sel->ismax = !sel->ismax)) {
		ox = sel->x;
		oy = sel->y;
		ow = sel->w;
		oh = sel->h;
		sel->x = sx;
		sel->y = sy + bh;
		sel->w = sw - 2 * sel->border;
		sel->h = sh - 2 * sel->border - bh;

		higher(sel);
		resize(sel, False, TopLeft);

		sel->x = ox;
		sel->y = oy;
		sel->w = ow;
		sel->h = oh;
	}
	else
		resize(sel, False, TopLeft);
	while(XCheckMaskEvent(dpy, EnterWindowMask, &ev));
}

void
unmanage(Client *c)
{
	Client **l;

	XGrabServer(dpy);
	XSetErrorHandler(xerrordummy);

	XUngrabButton(dpy, AnyButton, AnyModifier, c->win);
	XDestroyWindow(dpy, c->title);

	for(l = &clients; *l && *l != c; l = &(*l)->next);
	if(c->prev)
		c->prev->next = c->next;
	if(c->next)
		c->next->prev = c->prev;
	*l = c->next;
	if(sel == c) {
		sel = getnext(c->next, tsel);
		if(!sel)
			sel = getprev(c->prev);
		if(!sel)
			sel = clients;
	}
	free(c);

	XSync(dpy, False);
	XSetErrorHandler(xerror);
	XUngrabServer(dpy);
	arrange(NULL);
	if(sel)
		focus(sel);
}

void
zoom(Arg *arg)
{
	Client *c, **l;

	if(!sel)
		return;

	if(sel == getnext(clients, tsel) && sel->next)  {
		if((c = getnext(sel->next, tsel)))
			sel = c;
	}

	/* pop */
	for(l = &clients; *l && *l != sel; l = &(*l)->next);
	if(sel->prev)
		sel->prev->next = sel->next;
	if(sel->next)
		sel->next->prev = sel->prev;
	*l = sel->next;

	sel->prev = NULL;
	if(clients)
		clients->prev = sel;
	sel->next = clients;
	clients = sel;
	arrange(NULL);
	focus(sel);
}