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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 "window.h"
#include "mouse.h"
#include "layouts/tile.h"
#include "layouts/floating.h"
#define CLEANMASK(mask, acf) (mask & ~(acf.numlockmask | LockMask))
static void
handle_mouse_button_press(awesome_config *awesomeconf,
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, awesomeconf[0]) == b->mod && b->func)
{
if(arg)
b->func(awesomeconf, arg);
else
b->func(awesomeconf, b->arg);
return;
}
}
void
handle_event_buttonpress(XEvent * e, awesome_config *awesomeconf)
{
int i, screen, x = 0, y = 0;
unsigned int udummy;
Client *c;
Window wdummy;
char arg[256];
XButtonPressedEvent *ev = &e->xbutton;
for(screen = 0; screen < get_screen_count(e->xany.display); screen++)
if(awesomeconf[screen].statusbar.window == ev->window)
{
for(i = 0; i < awesomeconf[screen].ntags; i++)
{
x += textwidth(e->xany.display, awesomeconf[screen].font, awesomeconf[screen].tags[i].name);
if(((awesomeconf[screen].statusbar.position == BarTop
|| awesomeconf[screen].statusbar.position == BarBot)
&& ev->x < x)
|| (awesomeconf[screen].statusbar.position == BarRight && ev->y < x)
|| (awesomeconf[screen].statusbar.position == BarLeft && ev->y > awesomeconf[screen].statusbar.width - x))
{
snprintf(arg, sizeof(arg), "%d", i + 1);
handle_mouse_button_press(&awesomeconf[screen], ev->button, ev->state,
awesomeconf[screen].buttons.tag, arg);
return;
}
}
x += awesomeconf[screen].statusbar.txtlayoutwidth;
if(((awesomeconf[screen].statusbar.position == BarTop
|| awesomeconf[screen].statusbar.position == BarBot)
&& ev->x < x)
|| (awesomeconf[screen].statusbar.position == BarRight && ev->y < x)
|| (awesomeconf[screen].statusbar.position == BarLeft && ev->y > awesomeconf[screen].statusbar.width - x))
handle_mouse_button_press(&awesomeconf[screen], ev->button, ev->state,
awesomeconf[screen].buttons.layout, NULL);
else
handle_mouse_button_press(&awesomeconf[screen], ev->button, ev->state,
awesomeconf[screen].buttons.title, NULL);
return;
}
if((c = get_client_bywin(*awesomeconf->clients, ev->window)))
{
XAllowEvents(c->display, ReplayPointer, CurrentTime);
focus(c, ev->same_screen, &awesomeconf[c->screen]);
if(CLEANMASK(ev->state, awesomeconf[c->screen]) == NoSymbol
&& ev->button == Button1)
{
restack(&awesomeconf[c->screen]);
window_grabbuttons(c->display, c->phys_screen, c->win,
True, True, awesomeconf->buttons.root,
awesomeconf->buttons.client, awesomeconf->numlockmask);
}
else
handle_mouse_button_press(&awesomeconf[c->screen], ev->button, ev->state,
awesomeconf[c->screen].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 = get_screen_bycoord(e->xany.display, x, y);
handle_mouse_button_press(&awesomeconf[screen], ev->button, ev->state,
awesomeconf[screen].buttons.root, NULL);
return;
}
}
void
handle_event_configurerequest(XEvent * e, awesome_config *awesomeconf)
{
Client *c;
XConfigureRequestEvent *ev = &e->xconfigurerequest;
XWindowChanges wc;
int old_screen;
if((c = get_client_bywin(*awesomeconf->clients, ev->window)))
{
c->ismax = False;
if(ev->value_mask & CWBorderWidth)
c->border = ev->border_width;
if(c->isfixed || c->isfloating
|| get_current_layout(awesomeconf[c->screen].tags,
awesomeconf[c->screen].ntags)->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)))
window_configure(c->display, c->win, c->x, c->y, c->w, c->h, c->border);
/* recompute screen */
old_screen = c->screen;
c->screen = get_screen_bycoord(c->display, c->x, c->y);
if(old_screen != c->screen)
{
move_client_to_screen(c, &awesomeconf[c->screen], False);
tag_client_with_current_selected(c, &awesomeconf[c->screen]);
drawstatusbar(&awesomeconf[old_screen]);
drawstatusbar(&awesomeconf[c->screen]);
}
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
window_configure(c->display, c->win, c->x, c->y, c->w, c->h, 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);
}
XSync(e->xany.display, False);
}
void
handle_event_configurenotify(XEvent * e, awesome_config *awesomeconf)
{
XConfigureEvent *ev = &e->xconfigure;
int screen;
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;
/* update statusbar */
si = get_screen_info(e->xany.display, screen, NULL);
awesomeconf[screen].statusbar.width = si[screen].width;
p_delete(&si);
XResizeWindow(e->xany.display,
awesomeconf[screen].statusbar.window,
awesomeconf[screen].statusbar.width,
awesomeconf[screen].statusbar.height);
updatebarpos(e->xany.display, awesomeconf[screen].statusbar);
arrange(&awesomeconf[screen]);
}
}
void
handle_event_destroynotify(XEvent * e, awesome_config *awesomeconf)
{
Client *c;
XDestroyWindowEvent *ev = &e->xdestroywindow;
if((c = get_client_bywin(*awesomeconf->clients, ev->window)))
client_unmanage(c, 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 = get_client_bywin(*awesomeconf->clients, ev->window)))
{
focus(c, ev->same_screen, &awesomeconf[c->screen]);
if (c->isfloating
|| get_current_layout(awesomeconf[c->screen].tags,
awesomeconf[c->screen].ntags)->arrange == layout_floating)
window_grabbuttons(c->display, c->phys_screen, c->win,
True, False, awesomeconf->buttons.root,
awesomeconf->buttons.client, awesomeconf->numlockmask);
}
else
for(screen = 0; screen < ScreenCount(e->xany.display); screen++)
if(ev->window == RootWindow(e->xany.display, screen))
focus(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(&awesomeconf[screen]);
}
void
handle_event_keypress(XEvent * e, awesome_config *awesomeconf)
{
int screen, x, y, d;
unsigned int m;
KeySym keysym;
XKeyEvent *ev = &e->xkey;
Window dummy;
Key *k;
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(k = awesomeconf[screen].keys; k; k = k->next)
if(keysym == k->keysym && k->func
&& CLEANMASK(k->mod, awesomeconf[screen]) == CLEANMASK(ev->state, awesomeconf[screen]))
k->func(&awesomeconf[screen], k->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(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(&awesomeconf[screen]);
}
void
handle_event_maprequest(XEvent * e, awesome_config *awesomeconf)
{
static XWindowAttributes wa;
XMapRequestEvent *ev = &e->xmaprequest;
int screen, x, y, d;
unsigned int m;
Window dummy;
if(!XGetWindowAttributes(e->xany.display, ev->window, &wa))
return;
if(wa.override_redirect)
return;
if(!get_client_bywin(*awesomeconf->clients, ev->window))
{
for(screen = 0; wa.screen != ScreenOfDisplay(e->xany.display, screen); screen++);
if(screen == 0 && XQueryPointer(e->xany.display, RootWindow(e->xany.display, screen),
&dummy, &dummy, &x, &y, &d, &d, &m))
screen = get_screen_bycoord(e->xany.display, x, y);
client_manage(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 = get_client_bywin(*awesomeconf->clients, ev->window)))
{
switch (ev->atom)
{
case XA_WM_TRANSIENT_FOR:
XGetTransientForHint(e->xany.display, c->win, &trans);
if(!c->isfloating && (c->isfloating = (get_client_bywin(*awesomeconf->clients, trans) != NULL)))
arrange(&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 == get_current_tag(awesomeconf->tags, awesomeconf->ntags)->client_sel)
drawstatusbar(&awesomeconf[c->screen]);
}
}
}
void
handle_event_unmapnotify(XEvent * e, awesome_config *awesomeconf)
{
Client *c;
XUnmapEvent *ev = &e->xunmap;
if((c = get_client_bywin(*awesomeconf->clients, ev->window))
&& ev->event == RootWindow(e->xany.display, c->phys_screen)
&& ev->send_event && window_getstate(c->display, c->win) == NormalState)
client_unmanage(c, WithdrawnState, &awesomeconf[c->screen]);
}
void
handle_event_shape(XEvent * e,
awesome_config *awesomeconf __attribute__ ((unused)))
{
XShapeEvent *ev = (XShapeEvent *) e;
Client *c = get_client_bywin(*awesomeconf->clients, ev->window);
if(c)
window_setshape(c->display, c->phys_screen, c->win);
}
void
handle_event_randr_screen_change_notify(XEvent *e,
awesome_config *awesomeconf __attribute__ ((unused)))
{
XRRUpdateConfiguration(e);
}
void
grabkeys(awesome_config *awesomeconf)
{
Key *k;
KeyCode code;
XUngrabKey(awesomeconf->display, AnyKey, AnyModifier, RootWindow(awesomeconf->display, awesomeconf->phys_screen));
for(k = awesomeconf->keys; k; k = k->next)
{
if((code = XKeysymToKeycode(awesomeconf->display, k->keysym)) == NoSymbol)
continue;
XGrabKey(awesomeconf->display, code, k->mod, RootWindow(awesomeconf->display, awesomeconf->phys_screen), True, GrabModeAsync, GrabModeAsync);
XGrabKey(awesomeconf->display, code, k->mod | LockMask, RootWindow(awesomeconf->display, awesomeconf->phys_screen), True, GrabModeAsync, GrabModeAsync);
XGrabKey(awesomeconf->display, code, k->mod | awesomeconf->numlockmask, RootWindow(awesomeconf->display, awesomeconf->phys_screen), True, GrabModeAsync, GrabModeAsync);
XGrabKey(awesomeconf->display, code, k->mod | awesomeconf->numlockmask | LockMask, RootWindow(awesomeconf->display, awesomeconf->phys_screen), True, GrabModeAsync, GrabModeAsync);
}
}
// vim: filetype=c:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=99
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