/* * event.c - event handlers * * Copyright © 2007-2008 Julien Danjou * * 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 #include #include #include #include #include #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" #include "common/xutil.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); } } /** Handle XButtonPressed events * \param connection connection to the X server * \param ev ButtonPress event */ int event_handle_buttonpress(void *data __attribute__ ((unused)), xcb_connection_t *connection, xcb_button_press_event_t *ev) { int screen; Client *c; Widget *widget; Statusbar *statusbar; xcb_query_pointer_reply_t *qr; for(screen = 0; screen < globalconf.screens_info->nscreen; screen++) for(statusbar = globalconf.screens[screen].statusbar; statusbar; statusbar = statusbar->next) if(statusbar->sw->window == ev->event || statusbar->sw->window == ev->child) { switch(statusbar->position) { case Top: case Bottom: for(widget = statusbar->widgets; widget; widget = widget->next) if(ev->event_x >= widget->area.x && ev->event_x < widget->area.x + widget->area.width && ev->event_y >= widget->area.y && ev->event_y < widget->area.y + widget->area.height) { widget->button_press(widget, ev); return 0; } break; case Right: for(widget = statusbar->widgets; widget; widget = widget->next) if(ev->event_y >= widget->area.x && ev->event_y < widget->area.x + widget->area.width && statusbar->sw->geometry.width - ev->event_x >= widget->area.y && statusbar->sw->geometry.width - ev->event_x < widget->area.y + widget->area.height) { widget->button_press(widget, ev); return 0; } break; case Left: for(widget = statusbar->widgets; widget; widget = widget->next) if(statusbar->sw->geometry.height - ev->event_y >= widget->area.x && statusbar->sw->geometry.height - ev->event_y < widget->area.x + widget->area.width && ev->event_x >= widget->area.y && ev->event_x < widget->area.y + widget->area.height) { widget->button_press(widget, ev); return 0; } break; default: break; } /* return if no widget match */ return 0; } for(c = globalconf.clients; c; c = c->next) if(c->titlebar.sw && c->titlebar.sw->window == ev->event) { if(!client_focus(c, c->screen, true)) client_stack(c); if(CLEANMASK(ev->state) == XCB_NO_SYMBOL && ev->detail == XCB_BUTTON_INDEX_1) window_grabbuttons(c->win, c->phys_screen); event_handle_mouse_button_press(c->screen, ev->detail, ev->state, globalconf.buttons.titlebar, NULL); return 0; } if((c = client_get_bywin(globalconf.clients, ev->event))) { if(!client_focus(c, c->screen, true)) client_stack(c); if(CLEANMASK(ev->state) == XCB_NO_SYMBOL && ev->detail == XCB_BUTTON_INDEX_1) { xcb_allow_events(globalconf.connection, XCB_ALLOW_REPLAY_POINTER, XCB_CURRENT_TIME); window_grabbuttons(c->win, c->phys_screen); } else event_handle_mouse_button_press(c->screen, ev->detail, ev->state, globalconf.buttons.client, NULL); } else for(screen = 0; screen < xcb_setup_roots_length(xcb_get_setup (connection)); screen++) if(root_window(connection, screen) == ev->event && (qr = xcb_query_pointer_reply(connection, xcb_query_pointer(connection, ev->event), NULL)) != NULL) { screen = screen_get_bycoord(globalconf.screens_info, screen, qr->root_x, qr->root_y); event_handle_mouse_button_press(screen, ev->detail, ev->state, globalconf.buttons.root, NULL); p_delete(&qr); return 0; } return 0; } /** Handle XConfigureRequest events * \param connection connection to the X server * \param ev ConfigureRequest event */ int event_handle_configurerequest(void *data __attribute__ ((unused)), xcb_connection_t *connection, xcb_configure_request_event_t *ev) { Client *c; area_t geometry; if((c = client_get_bywin(globalconf.clients, ev->window))) { geometry = c->geometry; if(ev->value_mask & XCB_CONFIG_WINDOW_X) geometry.x = ev->x; if(ev->value_mask & XCB_CONFIG_WINDOW_Y) geometry.y = ev->y; if(ev->value_mask & XCB_CONFIG_WINDOW_WIDTH) geometry.width = ev->width; if(ev->value_mask & XCB_CONFIG_WINDOW_HEIGHT) 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 { const uint32_t configure_values[] = { ev->x, ev->y, ev->width, ev->height, ev->border_width, ev->sibling, ev->stack_mode }; xcb_configure_window(connection, ev->window, ev->value_mask, configure_values); } return 0; } /** Handle XConfigure events * \param connection connection to the X server * \param ev ConfigureNotify event */ int event_handle_configurenotify(void *data __attribute__ ((unused)), xcb_connection_t *connection, xcb_configure_notify_event_t *ev) { int screen_nbr; const xcb_screen_t *screen; for(screen_nbr = 0; screen_nbr < xcb_setup_roots_length (xcb_get_setup (connection)); screen_nbr++) if(ev->window == root_window(connection, screen_nbr) && (screen = xcb_aux_get_screen(connection, screen_nbr)) != NULL && (ev->width != screen->width_in_pixels || ev->height != screen->height_in_pixels)) /* it's not that we panic, but restart */ uicb_restart(0, NULL); return 0; } /** Handle XDestroyWindow events * \param connection connection to the X server * \param ev DestroyNotify event */ int event_handle_destroynotify(void *data __attribute__ ((unused)), xcb_connection_t *connection __attribute__ ((unused)), xcb_destroy_notify_event_t *ev) { Client *c; if((c = client_get_bywin(globalconf.clients, ev->window))) client_unmanage(c); return 0; } /** Handle XCrossing events * \param connection connection to the X server * \param ev Crossing event */ int event_handle_enternotify(void *data __attribute__ ((unused)), xcb_connection_t *connection, xcb_enter_notify_event_t *ev) { Client *c; int screen; if(ev->mode != XCB_NOTIFY_MODE_NORMAL || (ev->root_x == globalconf.pointer_x && ev->root_y == globalconf.pointer_y)) return 0; for(c = globalconf.clients; c; c = c->next) if(c->titlebar.sw && c->titlebar.sw->window == ev->event) break; if(c || (c = client_get_bywin(globalconf.clients, ev->event))) { 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->root_x; globalconf.pointer_y = ev->root_y; if(globalconf.screens[c->screen].sloppy_focus) client_focus(c, c->screen, globalconf.screens[c->screen].sloppy_focus_raise); } else for(screen = 0; screen < xcb_setup_roots_length(xcb_get_setup(connection)); screen++) if(ev->event == root_window(connection, screen)) { window_root_grabbuttons(screen); return 0; } return 0; } /** Handle XExpose events * \param ev Expose event */ int event_handle_expose(void *data __attribute__ ((unused)), xcb_connection_t *connection __attribute__ ((unused)), xcb_expose_event_t *ev) { 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 0; } 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 0; } } return 0; } /** Handle XKey events * \param connection connection to the X server * \param ev KeyPress event */ int event_handle_keypress(void *data __attribute__ ((unused)), xcb_connection_t *connection, xcb_key_press_event_t *ev) { int screen; xcb_query_pointer_reply_t *qpr = NULL; xcb_key_symbols_t *keysyms; xcb_keysym_t keysym; Key *k; /* find the right screen for this event */ for(screen = 0; screen < xcb_setup_roots_length (xcb_get_setup (connection)); screen++) if((qpr = xcb_query_pointer_reply(connection, xcb_query_pointer(connection, root_window(connection, screen)), NULL)) != NULL) { /* 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, qpr->root_x, qpr->root_y); break; } keysyms = xcb_key_symbols_alloc(globalconf.connection); keysym = xcb_key_symbols_get_keysym(keysyms, ev->detail, 0); for(k = globalconf.keys; k; k = k->next) if(((k->keycode && ev->detail == k->keycode) || (k->keysym && keysym == k->keysym)) && k->func && CLEANMASK(k->mod) == CLEANMASK(ev->state)) k->func(screen, k->arg); xcb_key_symbols_free(keysyms); return 0; } /** Handle XMapping events * \param connection connection to the X server * \param ev MappingNotify event */ int event_handle_mappingnotify(void *data __attribute__ ((unused)), xcb_connection_t *connection, xcb_mapping_notify_event_t *ev) { int screen; xcb_key_symbols_t *keysyms = xcb_key_symbols_alloc(connection); xcb_refresh_keyboard_mapping(keysyms, ev); xcb_key_symbols_free(keysyms); if(ev->request == XCB_MAPPING_KEYBOARD) for(screen = 0; screen < xcb_setup_roots_length(xcb_get_setup(connection)); screen++) window_root_grabkeys(screen); return 0; } /** Handle XMapRequest events * \param connection connection to the X server * \param ev MapRequest event */ int event_handle_maprequest(void *data __attribute__ ((unused)), xcb_connection_t *connection, xcb_map_request_event_t *ev) { static xcb_get_window_attributes_reply_t *wa; int screen_nbr = 0; xcb_query_pointer_reply_t *qpr = NULL; xcb_get_geometry_reply_t *wgeom; xcb_screen_iterator_t iter; if((wa = xcb_get_window_attributes_reply(connection, xcb_get_window_attributes(connection, ev->window), NULL)) == NULL) return -1; if(wa->override_redirect) { p_delete(&wa); return 0; } if(!client_get_bywin(globalconf.clients, ev->window)) { if((wgeom = xcb_get_geometry_reply(connection, xcb_get_geometry(connection, ev->window), NULL)) == NULL) return -1; if(globalconf.screens_info->xinerama_is_active && (qpr = xcb_query_pointer_reply(connection, xcb_query_pointer(connection, root_window(globalconf.connection, screen_nbr)), NULL)) != NULL) screen_nbr = screen_get_bycoord(globalconf.screens_info, screen_nbr, qpr->root_x, qpr->root_y); else for (iter = xcb_setup_roots_iterator (xcb_get_setup (connection)), screen_nbr = 0; iter.rem && iter.data->root != wgeom->root; xcb_screen_next (&iter), ++screen_nbr); if(qpr) p_delete(&qpr); client_manage(ev->window, wgeom, screen_nbr); p_delete(&wgeom); } return 0; } /** Handle XProperty events * \param connection connection to the X server * \param ev PropertyNotify event */ int event_handle_propertynotify(void *data __attribute__ ((unused)), xcb_connection_t *connection, xcb_property_notify_event_t *ev) { Client *c; xcb_window_t trans; if(ev->state == XCB_PROPERTY_DELETE) return 0; /* ignore */ if((c = client_get_bywin(globalconf.clients, ev->window))) { if(ev->atom == WM_TRANSIENT_FOR) { x_get_transient_for_hint(connection, c->win, &trans); if(!c->isfloating && (c->isfloating = (client_get_bywin(globalconf.clients, trans) != NULL))) globalconf.screens[c->screen].need_arrange = true; } else if (ev->atom == WM_NORMAL_HINTS) client_updatesizehints(c); else if (ev->atom == WM_HINTS) client_updatewmhints(c); if(ev->atom == WM_NAME || ev->atom == x_intern_atom(globalconf.connection, "_NET_WM_NAME")) client_updatetitle(c); } return 0; } /** Handle XUnmap events * \param connection connection to the X server * \param ev UnmapNotify event */ int event_handle_unmapnotify(void *data __attribute__ ((unused)), xcb_connection_t *connection, xcb_unmap_notify_event_t *ev) { Client *c; /* * event->send_event (Xlib) is quivalent to (ev->response_type & * 0x80) in XCB because the SendEvent bit is available in the * response_type field */ bool send_event = ((ev->response_type & 0x80) >> 7); if((c = client_get_bywin(globalconf.clients, ev->window)) && ev->event == root_window(connection, c->phys_screen) && send_event && window_getstate(c->win) == XCB_WM_NORMAL_STATE) client_unmanage(c); return 0; } /** Handle XShape events * \param ev Shape event */ int event_handle_shape(void *data __attribute__ ((unused)), xcb_connection_t *connection __attribute__ ((unused)), xcb_shape_notify_event_t *ev) { Client *c = client_get_bywin(globalconf.clients, ev->affected_window); if(c) window_setshape(c->win, c->phys_screen); return 0; } /** Handle XRandR events * \param ev RandrScreenChangeNotify event */ int event_handle_randr_screen_change_notify(void *data __attribute__ ((unused)), xcb_connection_t *connection __attribute__ ((unused)), xcb_randr_screen_change_notify_event_t *ev) { if(!globalconf.have_randr) return -1; /* Code of XRRUpdateConfiguration Xlib function ported to XCB * (only the code relevant to RRScreenChangeNotify) as the latter * doesn't provide this kind of function */ if(ev->rotation & (XCB_RANDR_ROTATION_ROTATE_90 | XCB_RANDR_ROTATION_ROTATE_270)) xcb_randr_set_screen_size(connection, ev->root, ev->height, ev->width, ev->mheight, ev->mwidth); else xcb_randr_set_screen_size(connection, ev->root, ev->width, ev->height, ev->mwidth, ev->mheight); /* TODO: * XRRUpdateConfiguration also executes the following instruction * but I don't know yet how to port it to XCB * * XRenderSetSubpixelOrder(dpy, snum, scevent->subpixel_order); */ uicb_restart(0, NULL); return 0; } /** Handle XClientMessage events * \param ev ClientMessage event */ int event_handle_clientmessage(void *data __attribute__ ((unused)), xcb_connection_t *connection __attribute__ ((unused)), xcb_client_message_event_t *ev) { ewmh_process_client_message(ev); return 0; } // vim: filetype=c:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=80