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- /*
- * wmfs2 by Martin Duquesnoy <xorg62@gmail.com> { for(i = 2011; i < 2111; ++i) ©(i); }
- * For license, see COPYING.
- */
- #include <X11/Xutil.h>
- #include "client.h"
- #include "config.h"
- #include "util.h"
- #include "barwin.h"
- #include "ewmh.h"
- #include "layout.h"
- #include "draw.h"
- #define CLIENT_MOUSE_MOD Mod1Mask
- #define CLIENT_RESIZE_DIR(D) \
- void uicb_client_resize_##D(Uicb cmd) \
- { \
- if(W->client) \
- client_fac_resize(W->client, D, ATOI(cmd)); \
- }
- #define CLIENT_ACTION_DIR(A, D) \
- void uicb_client_##A##_##D(Uicb cmd) \
- { \
- (void)cmd; \
- struct client *c; \
- if(W->client && (c = client_next_with_pos(W->client, D))) \
- client_##A(c); \
- }
- #define CLIENT_ACTION_LIST(A, L) \
- void uicb_client_##A##_##L(Uicb cmd) \
- { \
- (void)cmd; \
- struct client *c; \
- if(W->client && (c = client_##L(W->client))) \
- client_##A(c); \
- }
- /* uicb_client_resize_dir() */
- CLIENT_RESIZE_DIR(Right)
- CLIENT_RESIZE_DIR(Left)
- CLIENT_RESIZE_DIR(Top)
- CLIENT_RESIZE_DIR(Bottom)
- /* uicb_client_focus_dir() */
- CLIENT_ACTION_DIR(focus, Right)
- CLIENT_ACTION_DIR(focus, Left)
- CLIENT_ACTION_DIR(focus, Top)
- CLIENT_ACTION_DIR(focus, Bottom)
- /* uicb_client_swapsel_dir() */
- #define client_swapsel(c) client_swap(W->client, c)
- CLIENT_ACTION_DIR(swapsel, Right)
- CLIENT_ACTION_DIR(swapsel, Left)
- CLIENT_ACTION_DIR(swapsel, Top)
- CLIENT_ACTION_DIR(swapsel, Bottom)
- /* uicb_client_focus_next/prev() */
- CLIENT_ACTION_LIST(focus, next)
- CLIENT_ACTION_LIST(focus, prev)
- /* uicb_client_swapsel_next/prev() */
- CLIENT_ACTION_LIST(swapsel, next)
- CLIENT_ACTION_LIST(swapsel, prev)
- /** Send a ConfigureRequest event to the struct client
- * \param c struct client pointer
- */
- inline void
- client_configure(struct client *c)
- {
- XConfigureEvent ev =
- {
- .type = ConfigureNotify,
- .event = c->win,
- .window = c->win,
- .x = c->geo.x,
- .y = c->geo.y,
- .width = c->geo.w,
- .height = c->geo.h,
- .above = None,
- .border_width = 0,
- .override_redirect = 0
- };
- XSendEvent(W->dpy, c->win, False, StructureNotifyMask, (XEvent *)&ev);
- XSync(W->dpy, False);
- }
- struct client*
- client_gb_win(Window w)
- {
- struct client *c = SLIST_FIRST(&W->h.client);
- while(c && c->win != w)
- c = SLIST_NEXT(c, next);
- return c;
- }
- struct client*
- client_gb_pos(struct tag *t, int x, int y)
- {
- struct client *c = SLIST_FIRST(&t->clients);
- while(c)
- {
- if(INAREA(x, y, c->geo))
- return c;
- c = SLIST_NEXT(c, tnext);
- }
- return NULL;
- }
- /*
- * Get client left/right/top/bottom of selected client
- */
- struct client*
- client_next_with_pos(struct client *bc, enum position p)
- {
- struct client *c;
- static const char scanfac[PositionLast] = { +10, -10, 0, 0 };
- enum position ip = Bottom - p;
- int x = bc->geo.x + ((p == Right) ? bc->geo.w : 0);
- int y = bc->geo.y + ((p == Bottom) ? bc->geo.h : 0);
- if(p > Left)
- x += bc->geo.w >> 1;
- if(LDIR(p))
- y += bc->geo.h >> 1;
- /* Scan in right direction to next(p) physical client */
- while((c = client_gb_pos(bc->tag, x, y)) == bc)
- {
- x += scanfac[p];
- y += scanfac[ip];
- }
- return c;
- }
- void
- client_swap(struct client *c1, struct client *c2)
- {
- struct tag *t;
- struct geo g;
- if(c1 == c2 || !c1 || !c2)
- return;
- t = c1->tag;
- g = c1->geo;
- swap_ptr((void**)&c1->screen, (void**)&c2->screen);
- tag_client(c2->tag, c1);
- tag_client(t, c2);
- client_moveresize(c1, &c2->geo);
- client_moveresize(c2, &g);
- }
- static void
- client_grabbuttons(struct client *c, bool focused)
- {
- XUngrabButton(W->dpy, AnyButton, AnyModifier, c->win);
- if(focused)
- {
- int i = 0;
- while(i++ != Button5)
- {
- XGrabButton(W->dpy, i, CLIENT_MOUSE_MOD, c->win, False,
- ButtonMask, GrabModeAsync, GrabModeSync, None, None);
- XGrabButton(W->dpy, i, CLIENT_MOUSE_MOD | LockMask, c->win, False,
- ButtonMask, GrabModeAsync, GrabModeSync, None, None);
- XGrabButton(W->dpy, i, CLIENT_MOUSE_MOD | W->numlockmask, c->win, False,
- ButtonMask, GrabModeAsync, GrabModeSync, None, None);
- XGrabButton(W->dpy, i, CLIENT_MOUSE_MOD | LockMask | W->numlockmask, c->win, False,
- ButtonMask, GrabModeAsync, GrabModeSync, None, None);
- }
- return;
- }
- XGrabButton(W->dpy, AnyButton, AnyModifier, c->win, False,
- ButtonMask, GrabModeAsync, GrabModeSync, None, None);
- }
- static inline void
- client_draw_bord(struct client *c)
- {
- struct geo ge = { 0, 0, c->screen->ugeo.w, c->screen->ugeo.h };
- draw_rect(c->tag->frame, ge, THEME_DEFAULT->client_n.bg);
- /* Selected client's border */
- if(W->client)
- draw_rect(W->client->tag->frame, W->client->tag->sel->geo, THEME_DEFAULT->client_s.bg);
- }
- void
- client_focus(struct client *c)
- {
- /* Unfocus selected */
- if(W->client && W->client != c)
- client_grabbuttons(W->client, false);
- /* Focus c */
- if((W->client = c))
- {
- c->tag->sel = c;
- client_draw_bord(c);
- client_grabbuttons(c, true);
- XSetInputFocus(W->dpy, c->win, RevertToPointerRoot, CurrentTime);
- }
- else
- {
- W->client = W->screen->seltag->sel = NULL;
- XSetInputFocus(W->dpy, W->root, RevertToPointerRoot, CurrentTime);
- }
- }
- /** Get a client name
- * \param c struct client pointer
- */
- void
- client_get_name(struct client *c)
- {
- Atom rt;
- int rf;
- unsigned long ir, il;
- /* This one instead XFetchName for utf8 name support */
- if(XGetWindowProperty(W->dpy, c->win, ATOM("_NET_WM_NAME"), 0, 4096,
- False, ATOM("UTF8_STRING"), &rt, &rf, &ir, &il, (unsigned char**)&c->title) != Success)
- XGetWindowProperty(W->dpy, c->win, ATOM("WM_NAME"), 0, 4096,
- False, ATOM("UTF8_STRING"), &rt, &rf, &ir, &il, (unsigned char**)&c->title);
- /* Still no title... */
- if(!c->title)
- XFetchName(W->dpy, c->win, &(c->title));
- }
- /** Close a client
- * \param c struct client pointer
- */
- void
- client_close(struct client *c)
- {
- int proto;
- XEvent ev;
- Atom *atom = NULL;
- /* Event will call client_remove */
- if(XGetWMProtocols(W->dpy, c->win, &atom, &proto) && atom)
- {
- while(proto--)
- if(atom[proto] == ATOM("WM_DELETE_WINDOW"))
- {
- ev.type = ClientMessage;
- ev.xclient.window = c->win;
- ev.xclient.message_type = ATOM("WM_PROTOCOLS");
- ev.xclient.format = 32;
- ev.xclient.data.l[0] = ATOM("WM_DELETE_WINDOW");
- ev.xclient.data.l[1] = CurrentTime;
- XSendEvent(W->dpy, c->win, False, NoEventMask, &ev);
- XFree(atom);
- return;
- }
- }
- XKillClient(W->dpy, c->win);
- }
- void
- uicb_client_close(Uicb cmd)
- {
- (void)cmd;
- if(W->client)
- client_close(W->client);
- }
- static void
- client_get_sizeh(struct client *c)
- {
- long msize;
- XSizeHints size;
- memset(c->sizeh, 0, SHLAST);
- if(!XGetWMNormalHints(W->dpy, c->win, &size, &msize) || !size.flags)
- size.flags = PSize;
- /* base */
- if(size.flags & PBaseSize)
- {
- c->sizeh[BASEW] = size.base_width;
- c->sizeh[BASEH] = size.base_height;
- }
- else if(size.flags & PMinSize)
- {
- c->sizeh[BASEW] = size.min_width;
- c->sizeh[BASEH] = size.min_height;
- }
- /* inc */
- if(size.flags & PResizeInc)
- {
- c->sizeh[INCW] = size.width_inc;
- c->sizeh[INCH] = size.height_inc;
- }
- /* max */
- if(size.flags & PMaxSize)
- {
- c->sizeh[MAXW] = size.max_width;
- c->sizeh[MAXH] = size.max_height;
- }
- /* min */
- if(size.flags & PMinSize)
- {
- c->sizeh[MINW] = (size.min_width ? size.min_width : 1);
- c->sizeh[MINH] = (size.min_height ? size.min_height: 1);
- }
- else if(size.flags & PBaseSize)
- {
- c->sizeh[MINW] = (size.base_width ? size.base_width : 1);
- c->sizeh[MINH] = (size.base_height ? size.base_height : 1);
- }
- /* aspect */
- if(size.flags & PAspect)
- {
- c->sizeh[MINAX] = size.min_aspect.x;
- c->sizeh[MAXAX] = size.max_aspect.x;
- c->sizeh[MINAY] = size.min_aspect.y;
- c->sizeh[MAXAY] = size.max_aspect.y;
- }
- if(c->sizeh[MAXW] && c->sizeh[MINW] && c->sizeh[MAXH] && c->sizeh[MINH]
- && c->sizeh[MAXW] == c->sizeh[MINW] && c->sizeh[MAXH] == c->sizeh[MINH])
- c->flags |= CLIENT_HINT_FLAG;
- }
- struct client*
- client_new(Window w, XWindowAttributes *wa)
- {
- struct client *c = xcalloc(1, sizeof(struct client));
- /* C attributes */
- c->win = w;
- c->screen = W->screen;
- c->flags = 0;
- c->tag = NULL;
- /* struct geometry */
- c->geo.x = wa->x;
- c->geo.y = wa->y;
- c->geo.w = wa->width;
- c->geo.h = wa->height;
- c->tgeo = c->wgeo = c->geo;
- /* Set tag */
- client_get_sizeh(c);
- tag_client(W->screen->seltag, c);
- /* X window attributes */
- XSelectInput(W->dpy, w, EnterWindowMask | LeaveWindowMask | StructureNotifyMask | PropertyChangeMask);
- XSetWindowBorderWidth(W->dpy, w, 0);
- client_grabbuttons(c, false);
- /* Attach */
- SLIST_INSERT_HEAD(&W->h.client, c, next);
- /* Map */
- WIN_STATE(w, Map);
- ewmh_set_wm_state(w, NormalState);
- client_get_name(c);
- client_focus(c);
- client_configure(c);
- return c;
- }
- static void
- client_geo_hints(struct geo *g, int *s)
- {
- /* base */
- g->w -= s[BASEW];
- g->h -= s[BASEH];
- /* aspect */
- if((s[MINAY] | s[MAXAY] | s[MINAX] | s[MAXAX]) > 0)
- {
- if(g->w * s[MAXAY] > g->h * s[MAXAX])
- g->w = g->h * s[MAXAX] / s[MAXAY];
- else if(g->w * s[MINAY] < g->h * s[MINAX])
- g->h = g->w * s[MINAY] / s[MINAX];
- }
- /* incremental */
- if(s[INCW])
- g->w -= g->w % s[INCW];
- if(s[INCH])
- g->h -= g->h % s[INCH];
- /* base dimension */
- g->w += s[BASEW];
- g->h += s[BASEH];
- if(s[MINW] > 0 && g->w < s[MINW])
- g->w = s[MINW];
- if(s[MINH] > 0 && g->h < s[MINH])
- g->h = s[MINH];
- if(s[MAXW] > 0 && g->w > s[MAXW])
- g->w = s[MAXW];
- if(s[MAXH] > 0 && g->h > s[MAXH])
- g->h = s[MAXH];
- }
- void
- client_moveresize(struct client *c, struct geo *g)
- {
- int bord = THEME_DEFAULT->client_border_width;
- c->geo = *g;
- /* Window geo */
- c->wgeo.x = g->x + bord;
- c->wgeo.y = g->y + bord ;
- c->wgeo.w = g->w - (bord << 1);
- c->wgeo.h = g->h - (bord << 1);
- client_geo_hints(&c->wgeo, (int*)c->sizeh);
- XMoveResizeWindow(W->dpy, c->win,
- c->wgeo.x, c->wgeo.y,
- c->wgeo.w, c->wgeo.h);
- client_draw_bord(c);
- client_configure(c);
- }
- void
- client_maximize(struct client *c)
- {
- c->geo = c->tag->screen->ugeo;
- c->geo.x = c->geo.y = 0; /* Frame x/y, not screen geo */
- c->geo.w = c->tag->screen->ugeo.w;
- c->geo.h = c->tag->screen->ugeo.h;
- client_moveresize(c, &c->geo);
- }
- void
- client_fac_resize(struct client *c, enum position p, int fac)
- {
- struct client *gc = client_next_with_pos(c, p);
- enum position rp = RPOS(p);
- if(!gc || gc->screen != c->screen)
- return;
- /* Check futur size/pos */
- if(!client_fac_geo(c, p, fac)
- || !client_fac_geo(gc, rp, -fac)
- || !client_fac_check_row(c, p, fac)
- || !client_fac_check_row(gc, rp, -fac))
- return;
- /* Simple resize with only c & gc */
- if(GEO_CHECK2(c->geo, gc->geo, p))
- {
- client_moveresize(c, &c->tgeo);
- client_moveresize(gc, &gc->tgeo);
- }
- /* Resize with row parents */
- else
- {
- client_fac_arrange_row(c, p, fac);
- client_fac_arrange_row(gc, rp, -fac);
- }
- }
- void
- client_remove(struct client *c)
- {
- XGrabServer(W->dpy);
- XSetErrorHandler(wmfs_error_handler_dummy);
- XReparentWindow(W->dpy, c->win, W->root, c->geo.x, c->geo.y);
- /* Remove from global client list */
- SLIST_REMOVE(&W->h.client, c, client, next);
- tag_client(NULL, c);
- ewmh_set_wm_state(c->win, WithdrawnState);
- XUngrabServer(W->dpy);
- XSync(W->dpy, False);
- XSetErrorHandler(wmfs_error_handler);
- free(c);
- }
- void
- client_free(void)
- {
- FREE_LIST(client, W->h.client);
- }
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