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awesome/event.c

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/*
* event.c - event handlers
*
* Copyright © 2007-2008 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 "tag.h"
#include "statusbar.h"
#include "window.h"
#include "mouse.h"
#include "ewmh.h"
#include "client.h"
#include "widget.h"
#include "rules.h"
#include "titlebar.h"
#include "layouts/tile.h"
#include "layouts/floating.h"
#include "common/xscreen.h"
extern AwesomeConf globalconf;
/** Handle mouse button click
* \param screen screen number
* \param button button number
* \param state modkeys state
* \param buttons buttons list to check for
* \param arg optional arg passed to uicb, otherwise buttons' arg are used
*/
static void
event_handle_mouse_button_press(int screen, unsigned int button, unsigned int state,
Button *buttons, char *arg)
{
Button *b;
for(b = buttons; b; b = b->next)
if(button == b->button && CLEANMASK(state) == b->mod && b->func)
{
if(arg)
b->func(screen, arg);
else
b->func(screen, b->arg);
return;
}
}
/** Handle XButtonPressed events
* \param e XEvent
*/
void
event_handle_buttonpress(XEvent *e)
{
int i, screen, x = 0, y = 0;
unsigned int udummy;
Client *c;
Window wdummy;
Widget *widget;
Statusbar *statusbar;
XButtonPressedEvent *ev = &e->xbutton;
for(screen = 0; screen < globalconf.screens_info->nscreen; screen++)
for(statusbar = globalconf.screens[screen].statusbar; statusbar; statusbar = statusbar->next)
if(statusbar->sw->window == ev->window || statusbar->sw->window == ev->subwindow)
{
switch(statusbar->position)
{
case Top:
case Bottom:
for(widget = statusbar->widgets; widget; widget = widget->next)
if(ev->x >= widget->area.x && ev->x < widget->area.x + widget->area.width
&& ev->y >= widget->area.y && ev->y < widget->area.y + widget->area.height)
{
widget->button_press(widget, ev);
return;
}
break;
case Right:
for(widget = statusbar->widgets; widget; widget = widget->next)
if(ev->y >= widget->area.x && ev->y < widget->area.x + widget->area.width
&& statusbar->sw->geometry.width - ev->x >= widget->area.y
&& statusbar->sw->geometry.width - ev->x
< widget->area.y + widget->area.height)
{
widget->button_press(widget, ev);
return;
}
break;
case Left:
for(widget = statusbar->widgets; widget; widget = widget->next)
if(statusbar->sw->geometry.height - ev->y >= widget->area.x
&& statusbar->sw->geometry.height - ev->y
< widget->area.x + widget->area.width
&& ev->x >= widget->area.y && ev->x < widget->area.y + widget->area.height)
{
widget->button_press(widget, ev);
return;
}
break;
default:
break;
}
/* return if no widget match */
return;
}
for(c = globalconf.clients; c; c = c->next)
if(c->titlebar.sw && c->titlebar.sw->window == ev->window)
{
if(!client_focus(c, c->screen, True))
client_stack(c);
if(CLEANMASK(ev->state) == NoSymbol
&& ev->button == Button1)
window_grabbuttons(c->win, c->phys_screen);
event_handle_mouse_button_press(c->screen, ev->button, ev->state,
globalconf.buttons.titlebar, NULL);
return;
}
if((c = client_get_bywin(globalconf.clients, ev->window)))
{
if(!client_focus(c, c->screen, True))
client_stack(c);
if(CLEANMASK(ev->state) == NoSymbol
&& ev->button == Button1)
{
XAllowEvents(globalconf.display, ReplayPointer, CurrentTime);
window_grabbuttons(c->win, c->phys_screen);
}
else
event_handle_mouse_button_press(c->screen, ev->button, ev->state, globalconf.buttons.client, NULL);
}
else
{
for(screen = 0; screen < ScreenCount(e->xany.display); screen++)
if(RootWindow(e->xany.display, screen) == ev->window
&& XQueryPointer(e->xany.display,
ev->window, &wdummy,
&wdummy, &x, &y, &i,
&i, &udummy))
{
screen = screen_get_bycoord(globalconf.screens_info, screen, x, y);
event_handle_mouse_button_press(screen, ev->button, ev->state,
globalconf.buttons.root, NULL);
return;
}
}
}
/** Handle XConfigureRequest events
* \param e XEvent
*/
void
event_handle_configurerequest(XEvent * e)
{
Client *c;
XConfigureRequestEvent *ev = &e->xconfigurerequest;
XWindowChanges wc;
area_t geometry;
if((c = client_get_bywin(globalconf.clients, ev->window)))
{
geometry = c->geometry;
if(ev->value_mask & CWX)
geometry.x = ev->x;
if(ev->value_mask & CWY)
geometry.y = ev->y;
if(ev->value_mask & CWWidth)
geometry.width = ev->width;
if(ev->value_mask & CWHeight)
geometry.height = ev->height;
if(geometry.x != c->geometry.x || geometry.y != c->geometry.y
|| geometry.width != c->geometry.width || geometry.height != c->geometry.height)
{
if(c->isfloating || layout_get_current(c->screen)->arrange == layout_floating)
client_resize(c, geometry, False);
else
{
globalconf.screens[c->screen].need_arrange = True;
/* If we do not resize the client, at least tell it that it
* has its new configuration. That fixes at least
* gnome-terminal */
window_configure(c->win, c->geometry, c->border);
}
}
else
{
titlebar_update_geometry_floating(c);
window_configure(c->win, geometry, c->border);
}
}
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);
}
}
/** Handle XConfigure events
* \param e XEvent
*/
void
event_handle_configurenotify(XEvent * e)
{
XConfigureEvent *ev = &e->xconfigure;
int screen;
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)))
/* it's not that we panic, but restart */
uicb_restart(0, NULL);
}
/** Handle XDestroyWindow events
* \param e XEvent
*/
void
event_handle_destroynotify(XEvent *e)
{
Client *c;
XDestroyWindowEvent *ev = &e->xdestroywindow;
if((c = client_get_bywin(globalconf.clients, ev->window)))
client_unmanage(c);
}
/** Handle XCrossing events on enter
* \param e XEvent
*/
void
event_handle_enternotify(XEvent *e)
{
Client *c;
XCrossingEvent *ev = &e->xcrossing;
int screen;
if(ev->mode != NotifyNormal
|| (ev->x_root == globalconf.pointer_x
&& ev->y_root == globalconf.pointer_y))
return;
for(c = globalconf.clients; c; c = c->next)
if(c->titlebar.sw && c->titlebar.sw->window == ev->window)
break;
if(c || (c = client_get_bywin(globalconf.clients, ev->window)))
{
window_grabbuttons(c->win, c->phys_screen);
/* the idea behind saving pointer_x and pointer_y is Bob Marley powered
* this will allow us top drop some EnterNotify events and thus not giving
* focus to windows appering under the cursor without a cursor move */
globalconf.pointer_x = ev->x_root;
globalconf.pointer_y = ev->y_root;
if(globalconf.screens[c->screen].sloppy_focus)
client_focus(c, c->screen,
globalconf.screens[c->screen].sloppy_focus_raise);
}
else
for(screen = 0; screen < ScreenCount(e->xany.display); screen++)
if(ev->window == RootWindow(e->xany.display, screen))
{
window_root_grabbuttons(screen);
return;
}
}
/** Handle XExpose events
* \param e XEvent
*/
void
event_handle_expose(XEvent *e)
{
XExposeEvent *ev = &e->xexpose;
int screen;
Statusbar *statusbar;
Client *c;
if(!ev->count)
{
for(screen = 0; screen < globalconf.screens_info->nscreen; screen++)
for(statusbar = globalconf.screens[screen].statusbar; statusbar; statusbar = statusbar->next)
if(statusbar->sw->window == ev->window)
{
statusbar_display(statusbar);
return;
}
for(c = globalconf.clients; c; c = c->next)
if(c->titlebar.sw && c->titlebar.sw->window == ev->window)
{
simplewindow_refresh_drawable(c->titlebar.sw, c->phys_screen);
return;
}
}
}
/** Handle XKey events
* \param e XEvent
*/
void
event_handle_keypress(XEvent *e)
{
int screen, x, y, d;
unsigned int m;
XKeyEvent *ev = &e->xkey;
Window dummy;
Key *k;
/* 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 screen_get_bycoord: we'll get 0 in Zaphod mode
* so it's the same, or maybe the real Xinerama screen */
screen = screen_get_bycoord(globalconf.screens_info, screen, x, y);
break;
}
for(k = globalconf.keys; k; k = k->next)
if(ev->keycode == k->keycode &&
k->func && CLEANMASK(k->mod) == CLEANMASK(ev->state))
k->func(screen, k->arg);
}
/** Handle XMapping events
* \param e XEvent
*/
void
event_handle_mappingnotify(XEvent *e)
{
XMappingEvent *ev = &e->xmapping;
int screen;
XRefreshKeyboardMapping(ev);
if(ev->request == MappingKeyboard)
for(screen = 0; screen < ScreenCount(e->xany.display); screen++)
window_root_grabkeys(screen);
}
/** Handle XMapRequest events
* \param e XEvent
*/
void
event_handle_maprequest(XEvent *e)
{
static XWindowAttributes wa;
XMapRequestEvent *ev = &e->xmaprequest;
int screen = 0, x, y, d;
unsigned int m;
Window dummy;
if(!XGetWindowAttributes(e->xany.display, ev->window, &wa))
return;
if(wa.override_redirect)
return;
if(!client_get_bywin(globalconf.clients, ev->window))
{
if(globalconf.screens_info->xinerama_is_active
&& XQueryPointer(e->xany.display, RootWindow(e->xany.display, screen),
&dummy, &dummy, &x, &y, &d, &d, &m))
screen = screen_get_bycoord(globalconf.screens_info, screen, x, y);
else
for(screen = 0; wa.screen != ScreenOfDisplay(e->xany.display, screen); screen++);
client_manage(ev->window, &wa, screen);
}
}
/** Handle XProperty events
* \param e XEvent
*/
void
event_handle_propertynotify(XEvent * e)
{
Client *c;
Window trans;
XPropertyEvent *ev = &e->xproperty;
if(ev->state == PropertyDelete)
return; /* ignore */
if((c = client_get_bywin(globalconf.clients, ev->window)))
{
switch (ev->atom)
{
case XA_WM_TRANSIENT_FOR:
XGetTransientForHint(e->xany.display, c->win, &trans);
if(!c->isfloating
&& (c->isfloating = (client_get_bywin(globalconf.clients, trans) != NULL)))
globalconf.screens[c->screen].need_arrange = True;
break;
case XA_WM_NORMAL_HINTS:
client_updatesizehints(c);
break;
case XA_WM_HINTS:
client_updatewmhints(c);
break;
}
if(ev->atom == XA_WM_NAME || ev->atom == XInternAtom(globalconf.display, "_NET_WM_NAME", False))
client_updatetitle(c);
}
}
/** Handle XUnmap events
* \param e XEvent
*/
void
event_handle_unmapnotify(XEvent * e)
{
Client *c;
XUnmapEvent *ev = &e->xunmap;
if((c = client_get_bywin(globalconf.clients, ev->window))
&& ev->event == RootWindow(e->xany.display, c->phys_screen)
&& ev->send_event && window_getstate(c->win) == NormalState)
client_unmanage(c);
}
/** Handle XShape events
* \param e XEvent
*/
void
event_handle_shape(XEvent * e)
{
XShapeEvent *ev = (XShapeEvent *) e;
Client *c = client_get_bywin(globalconf.clients, ev->window);
if(c)
window_setshape(c->win, c->phys_screen);
}
/** Handle XRandR events
* \param e XEvent
*/
void
event_handle_randr_screen_change_notify(XEvent *e)
{
XRRUpdateConfiguration(e);
uicb_restart(0, NULL);
}
/** Handle XClientMessage events
* \param e XEvent
*/
void
event_handle_clientmessage(XEvent *e)
{
ewmh_process_client_message(&e->xclient);
}
// vim: filetype=c:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=80
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