openbox/mouse.c (raw)
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/* -*- indent-tabs-mode: nil; tab-width: 4; c-basic-offset: 4; -*- mouse.c for the Openbox window manager Copyright (c) 2006 Mikael Magnusson Copyright (c) 2003-2007 Dana Jansens 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. See the COPYING file for a copy of the GNU General Public License. */ #include "openbox.h" #include "config.h" #include "xerror.h" #include "actions.h" #include "event.h" #include "client.h" #include "prop.h" #include "grab.h" #include "frame.h" #include "translate.h" #include "mouse.h" #include "gettext.h" #include <glib.h> typedef struct { guint state; guint button; GSList *actions[OB_NUM_MOUSE_ACTIONS]; /* lists of Action pointers */ } ObMouseBinding; #define FRAME_CONTEXT(co, cl) ((cl && cl->type != OB_CLIENT_TYPE_DESKTOP) ? \ co == OB_FRAME_CONTEXT_FRAME : FALSE) #define CLIENT_CONTEXT(co, cl) ((cl && cl->type == OB_CLIENT_TYPE_DESKTOP) ? \ co == OB_FRAME_CONTEXT_DESKTOP : \ co == OB_FRAME_CONTEXT_CLIENT) /* Array of GSList*s of ObMouseBinding*s. */ static GSList *bound_contexts[OB_FRAME_NUM_CONTEXTS]; ObFrameContext mouse_button_frame_context(ObFrameContext context, guint button, guint state) { GSList *it; ObFrameContext x = context; for (it = bound_contexts[context]; it; it = g_slist_next(it)) { ObMouseBinding *b = it->data; if (b->button == button && b->state == state) return context; } switch (context) { case OB_FRAME_CONTEXT_NONE: case OB_FRAME_CONTEXT_DESKTOP: case OB_FRAME_CONTEXT_CLIENT: case OB_FRAME_CONTEXT_TITLEBAR: case OB_FRAME_CONTEXT_FRAME: case OB_FRAME_CONTEXT_MOVE_RESIZE: case OB_FRAME_CONTEXT_LEFT: case OB_FRAME_CONTEXT_RIGHT: break; case OB_FRAME_CONTEXT_ROOT: x = OB_FRAME_CONTEXT_DESKTOP; break; case OB_FRAME_CONTEXT_BOTTOM: case OB_FRAME_CONTEXT_BLCORNER: case OB_FRAME_CONTEXT_BRCORNER: x = OB_FRAME_CONTEXT_BOTTOM; break; case OB_FRAME_CONTEXT_TLCORNER: case OB_FRAME_CONTEXT_TRCORNER: case OB_FRAME_CONTEXT_TOP: case OB_FRAME_CONTEXT_MAXIMIZE: case OB_FRAME_CONTEXT_ALLDESKTOPS: case OB_FRAME_CONTEXT_SHADE: case OB_FRAME_CONTEXT_ICONIFY: case OB_FRAME_CONTEXT_ICON: case OB_FRAME_CONTEXT_CLOSE: x = OB_FRAME_CONTEXT_TITLEBAR; break; case OB_FRAME_NUM_CONTEXTS: g_assert_not_reached(); } /* allow for multiple levels of fall-through */ if (x != context) return mouse_button_frame_context(x, button, state); else return x; } void mouse_grab_for_client(ObClient *client, gboolean grab) { gint i; GSList *it; for (i = 0; i < OB_FRAME_NUM_CONTEXTS; ++i) for (it = bound_contexts[i]; it; it = g_slist_next(it)) { /* grab/ungrab the button */ ObMouseBinding *b = it->data; Window win; gint mode; guint mask; if (FRAME_CONTEXT(i, client)) { win = client->frame->window; mode = GrabModeAsync; mask = ButtonPressMask | ButtonMotionMask | ButtonReleaseMask; } else if (CLIENT_CONTEXT(i, client)) { win = client->window; mode = GrabModeSync; /* this is handled in event */ mask = ButtonPressMask; /* can't catch more than this with Sync mode the release event is manufactured in event() */ } else continue; if (grab) grab_button_full(b->button, b->state, win, mask, mode, OB_CURSOR_NONE); else ungrab_button(b->button, b->state, win); } } static void grab_all_clients(gboolean grab) { GList *it; for (it = client_list; it; it = g_list_next(it)) mouse_grab_for_client(it->data, grab); } void mouse_unbind_all(void) { gint i; GSList *it; for(i = 0; i < OB_FRAME_NUM_CONTEXTS; ++i) { for (it = bound_contexts[i]; it; it = g_slist_next(it)) { ObMouseBinding *b = it->data; gint j; for (j = 0; j < OB_NUM_MOUSE_ACTIONS; ++j) { GSList *jt; for (jt = b->actions[j]; jt; jt = g_slist_next(jt)) actions_act_unref(jt->data); g_slist_free(b->actions[j]); } g_free(b); } g_slist_free(bound_contexts[i]); bound_contexts[i] = NULL; } } static ObUserAction mouse_action_to_user_action(ObMouseAction a) { switch (a) { case OB_MOUSE_ACTION_PRESS: return OB_USER_ACTION_MOUSE_PRESS; case OB_MOUSE_ACTION_RELEASE: return OB_USER_ACTION_MOUSE_RELEASE; case OB_MOUSE_ACTION_CLICK: return OB_USER_ACTION_MOUSE_CLICK; case OB_MOUSE_ACTION_DOUBLE_CLICK: return OB_USER_ACTION_MOUSE_DOUBLE_CLICK; case OB_MOUSE_ACTION_MOTION: return OB_USER_ACTION_MOUSE_MOTION; default: g_assert_not_reached(); } } static gboolean fire_binding(ObMouseAction a, ObFrameContext context, ObClient *c, guint state, guint button, gint x, gint y) { GSList *it; ObMouseBinding *b; for (it = bound_contexts[context]; it; it = g_slist_next(it)) { b = it->data; if (b->state == state && b->button == button) break; } /* if not bound, then nothing to do! */ if (it == NULL) return FALSE; actions_run_acts(b->actions[a], mouse_action_to_user_action(a), state, x, y, button, context, c); return TRUE; } void mouse_event(ObClient *client, XEvent *e) { static Time ltime; static guint button = 0, state = 0, lbutton = 0; static Window lwindow = None; static gint px, py, pwx = -1, pwy = -1; ObFrameContext context; gboolean click = FALSE; gboolean dclick = FALSE; switch (e->type) { case ButtonPress: context = frame_context(client, e->xbutton.window, e->xbutton.x, e->xbutton.y); context = mouse_button_frame_context(context, e->xbutton.button, e->xbutton.state); px = e->xbutton.x_root; py = e->xbutton.y_root; if (!button) pwx = e->xbutton.x; if (!button) pwy = e->xbutton.y; button = e->xbutton.button; state = e->xbutton.state; fire_binding(OB_MOUSE_ACTION_PRESS, context, client, e->xbutton.state, e->xbutton.button, e->xbutton.x_root, e->xbutton.y_root); /* if the bindings grab the pointer, there won't be a ButtonRelease event for us */ if (grab_on_pointer()) button = 0; if (CLIENT_CONTEXT(context, client)) { /* Replay the event, so it goes to the client*/ XAllowEvents(ob_display, ReplayPointer, event_curtime); /* Fall through to the release case! */ } else break; case ButtonRelease: /* use where the press occured in the window */ context = frame_context(client, e->xbutton.window, pwx, pwy); context = mouse_button_frame_context(context, e->xbutton.button, e->xbutton.state); if (e->xbutton.button == button) pwx = pwy = -1; if (e->xbutton.button == button) { /* clicks are only valid if its released over the window */ gint junk1, junk2; Window wjunk; guint ujunk, b, w, h; /* this can cause errors to occur when the window closes */ xerror_set_ignore(TRUE); junk1 = XGetGeometry(ob_display, e->xbutton.window, &wjunk, &junk1, &junk2, &w, &h, &b, &ujunk); xerror_set_ignore(FALSE); if (junk1) { if (e->xbutton.x >= (signed)-b && e->xbutton.y >= (signed)-b && e->xbutton.x < (signed)(w+b) && e->xbutton.y < (signed)(h+b)) { click = TRUE; /* double clicks happen if there were 2 in a row! */ if (lbutton == button && lwindow == e->xbutton.window && e->xbutton.time - config_mouse_dclicktime <= ltime) { dclick = TRUE; lbutton = 0; } else { lbutton = button; lwindow = e->xbutton.window; } } else { lbutton = 0; lwindow = None; } } button = 0; state = 0; ltime = e->xbutton.time; } fire_binding(OB_MOUSE_ACTION_RELEASE, context, client, e->xbutton.state, e->xbutton.button, e->xbutton.x_root, e->xbutton.y_root); if (click) fire_binding(OB_MOUSE_ACTION_CLICK, context, client, e->xbutton.state, e->xbutton.button, e->xbutton.x_root, e->xbutton.y_root); if (dclick) fire_binding(OB_MOUSE_ACTION_DOUBLE_CLICK, context, client, e->xbutton.state, e->xbutton.button, e->xbutton.x_root, e->xbutton.y_root); break; case MotionNotify: if (button) { context = frame_context(client, e->xmotion.window, pwx, pwy); context = mouse_button_frame_context(context, button, state); if (ABS(e->xmotion.x_root - px) >= config_mouse_threshold || ABS(e->xmotion.y_root - py) >= config_mouse_threshold) { /* You can't drag on buttons */ if (context == OB_FRAME_CONTEXT_MAXIMIZE || context == OB_FRAME_CONTEXT_ALLDESKTOPS || context == OB_FRAME_CONTEXT_SHADE || context == OB_FRAME_CONTEXT_ICONIFY || context == OB_FRAME_CONTEXT_ICON || context == OB_FRAME_CONTEXT_CLOSE) break; fire_binding(OB_MOUSE_ACTION_MOTION, context, client, state, button, px, py); button = 0; state = 0; } } break; default: g_assert_not_reached(); } } gboolean mouse_bind(const gchar *buttonstr, const gchar *contextstr, ObMouseAction mact, ObActionsAct *action) { guint state, button; ObFrameContext context; ObMouseBinding *b; GSList *it; if (!translate_button(buttonstr, &state, &button)) { g_message(_("Invalid button '%s' in mouse binding"), buttonstr); return FALSE; } context = frame_context_from_string(contextstr); if (!context) { g_message(_("Invalid context '%s' in mouse binding"), contextstr); return FALSE; } for (it = bound_contexts[context]; it; it = g_slist_next(it)) { b = it->data; if (b->state == state && b->button == button) { b->actions[mact] = g_slist_append(b->actions[mact], action); return TRUE; } } /* add the binding */ b = g_new0(ObMouseBinding, 1); b->state = state; b->button = button; b->actions[mact] = g_slist_append(NULL, action); bound_contexts[context] = g_slist_append(bound_contexts[context], b); return TRUE; } void mouse_startup(gboolean reconfig) { grab_all_clients(TRUE); } void mouse_shutdown(gboolean reconfig) { grab_all_clients(FALSE); mouse_unbind_all(); } |