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awesome/event.c

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/*
* event.c - event handlers
*
* Copyright © 2007 Julien Danjou <julien@danjou.info>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
*/
#include <X11/keysym.h>
#include <X11/Xatom.h>
#include <X11/Xutil.h>
#include <X11/extensions/shape.h>
#include <X11/extensions/Xrandr.h>
#include "screen.h"
#include "event.h"
#include "layout.h"
#include "tag.h"
#include "draw.h"
#include "statusbar.h"
#include "util.h"
#include "layouts/tile.h"
#include "layouts/floating.h"
/* extern */
extern DC *dc; /* global draw context */
extern Client *clients, *sel; /* global client list */
#define CLEANMASK(mask, screen) (mask & ~(awesomeconf[screen].numlockmask | LockMask))
#define MOUSEMASK (BUTTONMASK | PointerMotionMask)
static Client *
getclient(Window w)
{
Client *c;
for(c = clients; c && c->win != w; c = c->next);
return c;
}
static void
movemouse(Client * c, awesome_config *awesomeconf)
{
int x1, y1, ocx, ocy, di, nx, ny;
unsigned int dui;
Window dummy;
XEvent ev;
ScreenInfo *si;
si = get_display_info(c->display, c->phys_screen, NULL);
ocx = nx = c->x;
ocy = ny = c->y;
if(XGrabPointer(c->display, RootWindow(c->display, c->phys_screen), False, MOUSEMASK, GrabModeAsync, GrabModeAsync,
None, dc[c->screen].cursor[CurMove], CurrentTime) != GrabSuccess)
return;
XQueryPointer(c->display, RootWindow(c->display, c->phys_screen), &dummy, &dummy, &x1, &y1, &di, &di, &dui);
for(;;)
{
XMaskEvent(c->display, MOUSEMASK | ExposureMask | SubstructureRedirectMask, &ev);
switch (ev.type)
{
case ButtonRelease:
XUngrabPointer(c->display, CurrentTime);
return;
case ConfigureRequest:
case Expose:
case MapRequest:
handle_event_maprequest(&ev, awesomeconf);
break;
case MotionNotify:
XSync(c->display, False);
nx = ocx + (ev.xmotion.x - x1);
ny = ocy + (ev.xmotion.y - y1);
if(abs(si->x_org + nx) < awesomeconf->snap)
nx = si->x_org;
else if(abs((si->x_org + si->width) - (nx + c->w + 2 * c->border)) < awesomeconf->snap)
nx = si->x_org + si->width - c->w - 2 * c->border;
if(abs(si->y_org - ny) < awesomeconf->snap)
ny = si->y_org;
else if(abs((si->y_org + si->height) - (ny + c->h + 2 * c->border)) < awesomeconf->snap)
ny = si->y_org + si->height - c->h - 2 * c->border;
resize(c, nx, ny, c->w, c->h, awesomeconf, False);
break;
}
}
XFree(si);
}
static void
resizemouse(Client * c, awesome_config *awesomeconf)
{
int ocx, ocy, nw, nh;
XEvent ev;
ocx = c->x;
ocy = c->y;
if(XGrabPointer(c->display, RootWindow(c->display, c->phys_screen),
False, MOUSEMASK, GrabModeAsync, GrabModeAsync,
None, dc[c->screen].cursor[CurResize], CurrentTime) != GrabSuccess)
return;
c->ismax = False;
XWarpPointer(c->display, None, c->win, 0, 0, 0, 0, c->w + c->border - 1, c->h + c->border - 1);
for(;;)
{
XMaskEvent(c->display, MOUSEMASK | ExposureMask | SubstructureRedirectMask, &ev);
switch (ev.type)
{
case ButtonRelease:
XWarpPointer(c->display, None, c->win, 0, 0, 0, 0, c->w + c->border - 1, c->h + c->border - 1);
XUngrabPointer(c->display, CurrentTime);
while(XCheckMaskEvent(c->display, EnterWindowMask, &ev));
return;
case ConfigureRequest:
case Expose:
case MapRequest:
handle_event_maprequest(&ev, awesomeconf);
break;
case MotionNotify:
XSync(c->display, False);
if((nw = ev.xmotion.x - ocx - 2 * c->border + 1) <= 0)
nw = 1;
if((nh = ev.xmotion.y - ocy - 2 * c->border + 1) <= 0)
nh = 1;
resize(c, c->x, c->y, nw, nh, awesomeconf, True);
break;
}
}
}
void
handle_event_buttonpress(XEvent * e, awesome_config *awesomeconf)
{
int i, screen;
Client *c;
XButtonPressedEvent *ev = &e->xbutton;
for(screen = 0; screen < get_screen_count(e->xany.display); screen++)
if(awesomeconf[screen].statusbar.window == ev->window)
{
int x = 0;
for(i = 0; i < awesomeconf[screen].ntags; i++)
{
x += textw(dc[screen].font.set, dc[screen].font.xfont, awesomeconf[screen].tags[i].name, dc[screen].font.height);
if(ev->x < x)
{
if(ev->button == Button1)
{
if(ev->state & awesomeconf[screen].modkey)
uicb_tag(e->xany.display, &dc[screen], &awesomeconf[screen], awesomeconf[screen].tags[i].name);
else
uicb_view(e->xany.display, &dc[screen], &awesomeconf[screen], awesomeconf[screen].tags[i].name);
}
else if(ev->button == Button3)
{
if(ev->state & awesomeconf[screen].modkey)
uicb_toggletag(e->xany.display, &dc[screen], &awesomeconf[screen], awesomeconf[screen].tags[i].name);
else
uicb_toggleview(e->xany.display, &dc[screen], &awesomeconf[screen], awesomeconf[screen].tags[i].name);
}
return;
}
}
if((ev->x < x + awesomeconf[screen].statusbar.width) && ev->button == Button1)
uicb_setlayout(e->xany.display, &dc[screen], &awesomeconf[screen], NULL);
return;
}
if((c = getclient(ev->window)))
{
focus(c->display, &dc[c->screen], c, ev->same_screen, &awesomeconf[c->screen]);
if(CLEANMASK(ev->state, c->screen) != awesomeconf[c->screen].modkey)
return;
if(ev->button == Button1)
{
if(!IS_ARRANGE(layout_floating) && !c->isfloating)
uicb_togglefloating(e->xany.display, &dc[c->screen], &awesomeconf[c->screen], NULL);
else
restack(e->xany.display, &dc[c->screen], &awesomeconf[c->screen]);
movemouse(c, &awesomeconf[c->screen]);
}
else if(ev->button == Button2)
{
if(!IS_ARRANGE(layout_floating) && !c->isfixed && c->isfloating)
uicb_togglefloating(e->xany.display, &dc[c->screen], &awesomeconf[c->screen], NULL);
else
uicb_zoom(e->xany.display, &dc[c->screen], &awesomeconf[c->screen], NULL);
}
else if(ev->button == Button3)
{
if(!IS_ARRANGE(layout_floating) && !c->isfloating)
uicb_togglefloating(e->xany.display, &dc[c->screen], &awesomeconf[c->screen], NULL);
else
restack(e->xany.display, &dc[c->screen], &awesomeconf[c->screen]);
resizemouse(c, &awesomeconf[c->screen]);
}
}
else if(!sel)
for(screen = 0; screen < ScreenCount(e->xany.display); screen++)
if(RootWindow(e->xany.display, screen) == ev->window)
{
if(ev->button == Button4)
uicb_tag_viewnext(e->xany.display, &dc[screen], &awesomeconf[screen], NULL);
else if(ev->button == Button5)
uicb_tag_viewprev(e->xany.display, &dc[screen], &awesomeconf[screen], NULL);
}
}
void
handle_event_configurerequest(XEvent * e, awesome_config *awesomeconf)
{
Client *c;
XConfigureRequestEvent *ev = &e->xconfigurerequest;
XWindowChanges wc;
if((c = getclient(ev->window)))
{
c->ismax = False;
if(ev->value_mask & CWBorderWidth)
c->border = ev->border_width;
if(c->isfixed || c->isfloating || IS_ARRANGE(layout_floating))
{
if(ev->value_mask & CWX)
c->x = ev->x;
if(ev->value_mask & CWY)
c->y = ev->y;
if(ev->value_mask & CWWidth)
c->w = ev->width;
if(ev->value_mask & CWHeight)
c->h = ev->height;
if((c->x + c->w) > DisplayWidth(c->display, c->phys_screen) && c->isfloating)
c->x = DisplayWidth(c->display, c->phys_screen) / 2 - c->w / 2; /* center in x direction */
if((c->y + c->h) > DisplayHeight(c->display, c->phys_screen) && c->isfloating)
c->y = DisplayHeight(c->display, c->phys_screen) / 2 - c->h / 2; /* center in y direction */
if((ev->value_mask & (CWX | CWY)) && !(ev->value_mask & (CWWidth | CWHeight)))
configure(c);
if(isvisible(c, c->screen, awesomeconf[c->screen].tags, awesomeconf[c->screen].ntags))
XMoveResizeWindow(e->xany.display, c->win, c->x, c->y, c->w, c->h);
}
else
configure(c);
}
else
{
wc.x = ev->x;
wc.y = ev->y;
wc.width = ev->width;
wc.height = ev->height;
wc.border_width = ev->border_width;
wc.sibling = ev->above;
wc.stack_mode = ev->detail;
XConfigureWindow(e->xany.display, ev->window, ev->value_mask, &wc);
}
XSync(e->xany.display, False);
}
void
handle_event_configurenotify(XEvent * e, awesome_config *awesomeconf)
{
XConfigureEvent *ev = &e->xconfigure;
int screen, dummy;
ScreenInfo *si;
for(screen = 0; screen < ScreenCount(e->xany.display); screen++)
if(ev->window == RootWindow(e->xany.display, screen)
&& (ev->width != DisplayWidth(e->xany.display, screen)
|| ev->height != DisplayHeight(e->xany.display, screen)))
{
DisplayWidth(e->xany.display, screen) = ev->width;
DisplayHeight(e->xany.display, screen) = ev->height;
si = get_screen_info(e->xany.display, screen, NULL, &dummy);
XFreePixmap(e->xany.display, awesomeconf[screen].statusbar.drawable);
awesomeconf[screen].statusbar.drawable = XCreatePixmap(e->xany.display, RootWindow(e->xany.display, screen),
si[screen].width,
awesomeconf[screen].statusbar.height,
DefaultDepth(e->xany.display, screen));
XResizeWindow(e->xany.display, awesomeconf[screen].statusbar.window,
si[screen].width, awesomeconf[screen].statusbar.height);
XFree(si);
updatebarpos(e->xany.display, awesomeconf[screen].statusbar);
arrange(e->xany.display, &dc[screen], &awesomeconf[screen]);
}
}
void
handle_event_destroynotify(XEvent * e, awesome_config *awesomeconf)
{
Client *c;
XDestroyWindowEvent *ev = &e->xdestroywindow;
if((c = getclient(ev->window)))
unmanage(c, &dc[c->screen], WithdrawnState, &awesomeconf[c->screen]);
}
void
handle_event_enternotify(XEvent * e, awesome_config *awesomeconf)
{
Client *c;
XCrossingEvent *ev = &e->xcrossing;
int screen;
if(ev->mode != NotifyNormal || ev->detail == NotifyInferior)
return;
if((c = getclient(ev->window)))
focus(c->display, &dc[c->screen], c, ev->same_screen, &awesomeconf[c->screen]);
else
for(screen = 0; screen < ScreenCount(e->xany.display); screen++)
if(ev->window == RootWindow(e->xany.display, screen))
focus(e->xany.display, &dc[screen], NULL, True, &awesomeconf[screen]);
}
void
handle_event_expose(XEvent * e, awesome_config *awesomeconf)
{
XExposeEvent *ev = &e->xexpose;
int screen;
if(!ev->count)
for(screen = 0; screen < get_screen_count(e->xany.display); screen++)
if(awesomeconf[screen].statusbar.window == ev->window)
drawstatusbar(e->xany.display, &dc[screen], &awesomeconf[screen]);
}
void
handle_event_keypress(XEvent * e, awesome_config *awesomeconf)
{
int i, screen, x, y, d;
unsigned int m;
KeySym keysym;
XKeyEvent *ev = &e->xkey;
Window dummy;
keysym = XKeycodeToKeysym(e->xany.display, (KeyCode) ev->keycode, 0);
/* find the right screen for this event */
for(screen = 0; screen < ScreenCount(e->xany.display); screen++)
if(XQueryPointer(e->xany.display, RootWindow(e->xany.display, screen), &dummy, &dummy, &x, &y, &d, &d, &m))
{
/* if screen is 0, we are on first Zaphod screen or on the
* only screen in Xinerama, so we can ask for a better screen
* number with get_screen_bycoord: we'll get 0 in Zaphod mode
* so it's the same, or maybe the real Xinerama screen */
if(screen == 0)
screen = get_screen_bycoord(e->xany.display, x, y);
break;
}
for(i = 0; i < awesomeconf[screen].nkeys; i++)
if(keysym == awesomeconf[screen].keys[i].keysym
&& CLEANMASK(awesomeconf[screen].keys[i].mod, screen) == CLEANMASK(ev->state, screen) && awesomeconf[screen].keys[i].func)
awesomeconf[screen].keys[i].func(e->xany.display, &dc[screen], &awesomeconf[screen], awesomeconf[screen].keys[i].arg);
}
void
handle_event_leavenotify(XEvent * e, awesome_config *awesomeconf)
{
XCrossingEvent *ev = &e->xcrossing;
int screen;
for(screen = 0; screen < ScreenCount(e->xany.display); screen++)
if((ev->window == RootWindow(e->xany.display, screen)) && !ev->same_screen)
focus(e->xany.display, &dc[screen], NULL, ev->same_screen, &awesomeconf[screen]);
}
void
handle_event_mappingnotify(XEvent * e, awesome_config *awesomeconf)
{
XMappingEvent *ev = &e->xmapping;
int screen;
XRefreshKeyboardMapping(ev);
if(ev->request == MappingKeyboard)
for(screen = 0; screen < ScreenCount(e->xany.display); screen++)
grabkeys(e->xany.display, screen, &awesomeconf[screen]);
}
void
handle_event_maprequest(XEvent * e, awesome_config *awesomeconf)
{
static XWindowAttributes wa;
XMapRequestEvent *ev = &e->xmaprequest;
int screen;
if(!XGetWindowAttributes(e->xany.display, ev->window, &wa))
return;
if(wa.override_redirect)
return;
if(!getclient(ev->window))
{
for(screen = 0; wa.screen != ScreenOfDisplay(e->xany.display, screen); screen++);
if(screen == 0)
screen = get_screen_bycoord(e->xany.display, wa.x, wa.y);
manage(e->xany.display, &dc[screen], ev->window, &wa, &awesomeconf[screen]);
}
}
void
handle_event_propertynotify(XEvent * e, awesome_config *awesomeconf)
{
Client *c;
Window trans;
XPropertyEvent *ev = &e->xproperty;
if(ev->state == PropertyDelete)
return; /* ignore */
if((c = getclient(ev->window)))
{
switch (ev->atom)
{
case XA_WM_TRANSIENT_FOR:
XGetTransientForHint(e->xany.display, c->win, &trans);
if(!c->isfloating && (c->isfloating = (getclient(trans) != NULL)))
arrange(e->xany.display, &dc[c->screen], &awesomeconf[c->screen]);
break;
case XA_WM_NORMAL_HINTS:
updatesizehints(c);
break;
}
if(ev->atom == XA_WM_NAME || ev->atom == XInternAtom(c->display, "_NET_WM_NAME", False))
{
updatetitle(c);
if(c == sel)
drawstatusbar(e->xany.display, &dc[c->screen], &awesomeconf[c->screen]);
}
}
}
void
handle_event_unmapnotify(XEvent * e, awesome_config *awesomeconf)
{
Client *c;
XUnmapEvent *ev = &e->xunmap;
if((c = getclient(ev->window))
&& ev->event == RootWindow(e->xany.display, c->screen) && (ev->send_event || !c->unmapped))
unmanage(c, &dc[c->screen], WithdrawnState, &awesomeconf[c->screen]);
}
void
handle_event_shape(XEvent * e,
awesome_config *awesomeconf __attribute__ ((unused)))
{
XShapeEvent *ev = (XShapeEvent *) e;
Client *c = getclient(ev->window);
if(c)
set_shape(c);
}
void
handle_event_randr_screen_change_notify(XEvent *e,
awesome_config *awesomeconf __attribute__ ((unused)))
{
XRRUpdateConfiguration(e);
}
void
grabkeys(Display *disp, int screen, awesome_config *awesomeconf)
{
int i;
KeyCode code;
XUngrabKey(disp, AnyKey, AnyModifier, RootWindow(disp, screen));
for(i = 0; i < awesomeconf->nkeys; i++)
{
if((code = XKeysymToKeycode(disp, awesomeconf->keys[i].keysym)) == NoSymbol)
continue;
XGrabKey(disp, code, awesomeconf->keys[i].mod, RootWindow(disp, screen), True, GrabModeAsync, GrabModeAsync);
XGrabKey(disp, code, awesomeconf->keys[i].mod | LockMask, RootWindow(disp, screen), True, GrabModeAsync, GrabModeAsync);
XGrabKey(disp, code, awesomeconf->keys[i].mod | awesomeconf->numlockmask, RootWindow(disp, screen), True, GrabModeAsync, GrabModeAsync);
XGrabKey(disp, code, awesomeconf->keys[i].mod | awesomeconf->numlockmask | LockMask, RootWindow(disp, screen), True,
GrabModeAsync, GrabModeAsync);
}
}
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