dlls/winemac.drv/event.c

   1 /*
   2  * MACDRV event driver
   3  *
   4  * Copyright 1993 Alexandre Julliard
   5  *           1999 Noel Borthwick
   6  * Copyright 2011, 2012, 2013 Ken Thomases for CodeWeavers Inc.
   7  *
   8  * This library is free software; you can redistribute it and/or
   9  * modify it under the terms of the GNU Lesser General Public
  10  * License as published by the Free Software Foundation; either
  11  * version 2.1 of the License, or (at your option) any later version.
  12  *
  13  * This library is distributed in the hope that it will be useful,
  14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  16  * Lesser General Public License for more details.
  17  *
  18  * You should have received a copy of the GNU Lesser General Public
  19  * License along with this library; if not, write to the Free Software
  20  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  21  */
  22
  23 #include "config.h"
  24
  25 #include "macdrv.h"
  26 #include "winuser.h"
  27
  28 WINE_DEFAULT_DEBUG_CHANNEL(event);
  29
  30
  31 /* return the name of an Mac event */
  32 static const char *dbgstr_event(int type)
  33 {
  34     static const char * const event_names[] = {
  35         "APP_DEACTIVATED",
  36         "KEY_PRESS",
  37         "KEY_RELEASE",
  38         "KEYBOARD_CHANGED",
  39         "MOUSE_BUTTON",
  40         "MOUSE_MOVED",
  41         "MOUSE_MOVED_ABSOLUTE",
  42         "MOUSE_SCROLL",
  43         "WINDOW_CLOSE_REQUESTED",
  44         "WINDOW_DID_MINIMIZE",
  45         "WINDOW_DID_UNMINIMIZE",
  46         "WINDOW_FRAME_CHANGED",
  47         "WINDOW_GOT_FOCUS",
  48         "WINDOW_LOST_FOCUS",
  49     };
  50
  51     if (0 <= type && type < NUM_EVENT_TYPES) return event_names[type];
  52     return wine_dbg_sprintf("Unknown event %d", type);
  53 }
  54
  55
  56 /***********************************************************************
  57  *              get_event_mask
  58  */
  59 static macdrv_event_mask get_event_mask(DWORD mask)
  60 {
  61     macdrv_event_mask event_mask = 0;
  62
  63     if ((mask & QS_ALLINPUT) == QS_ALLINPUT) return -1;
  64
  65     if (mask & QS_KEY)
  66     {
  67         event_mask |= event_mask_for_type(KEY_PRESS);
  68         event_mask |= event_mask_for_type(KEY_RELEASE);
  69         event_mask |= event_mask_for_type(KEYBOARD_CHANGED);
  70     }
  71
  72     if (mask & QS_MOUSEBUTTON)
  73     {
  74         event_mask |= event_mask_for_type(MOUSE_BUTTON);
  75         event_mask |= event_mask_for_type(MOUSE_SCROLL);
  76     }
  77
  78     if (mask & QS_MOUSEMOVE)
  79     {
  80         event_mask |= event_mask_for_type(MOUSE_MOVED);
  81         event_mask |= event_mask_for_type(MOUSE_MOVED_ABSOLUTE);
  82     }
  83
  84     if (mask & QS_POSTMESSAGE)
  85     {
  86         event_mask |= event_mask_for_type(APP_DEACTIVATED);
  87         event_mask |= event_mask_for_type(WINDOW_CLOSE_REQUESTED);
  88         event_mask |= event_mask_for_type(WINDOW_DID_MINIMIZE);
  89         event_mask |= event_mask_for_type(WINDOW_DID_UNMINIMIZE);
  90         event_mask |= event_mask_for_type(WINDOW_FRAME_CHANGED);
  91         event_mask |= event_mask_for_type(WINDOW_GOT_FOCUS);
  92         event_mask |= event_mask_for_type(WINDOW_LOST_FOCUS);
  93     }
  94
  95     return event_mask;
  96 }
  97
  98
  99 /***********************************************************************
 100  *              macdrv_handle_event
 101  */
 102 void macdrv_handle_event(macdrv_event *event)
 103 {
 104     HWND hwnd = macdrv_get_window_hwnd(event->window);
 105     const macdrv_event *prev;
 106     struct macdrv_thread_data *thread_data = macdrv_thread_data();
 107
 108     TRACE("%s for hwnd/window %p/%p\n", dbgstr_event(event->type), hwnd,
 109           event->window);
 110
 111     prev = thread_data->current_event;
 112     thread_data->current_event = event;
 113
 114     switch (event->type)
 115     {
 116     case APP_DEACTIVATED:
 117         macdrv_app_deactivated();
 118         break;
 119     case KEY_PRESS:
 120     case KEY_RELEASE:
 121         macdrv_key_event(hwnd, event);
 122         break;
 123     case KEYBOARD_CHANGED:
 124         macdrv_keyboard_changed(event);
 125         break;
 126     case MOUSE_BUTTON:
 127         macdrv_mouse_button(hwnd, event);
 128         break;
 129     case MOUSE_MOVED:
 130     case MOUSE_MOVED_ABSOLUTE:
 131         macdrv_mouse_moved(hwnd, event);
 132         break;
 133     case MOUSE_SCROLL:
 134         macdrv_mouse_scroll(hwnd, event);
 135         break;
 136     case WINDOW_CLOSE_REQUESTED:
 137         macdrv_window_close_requested(hwnd);
 138         break;
 139     case WINDOW_DID_MINIMIZE:
 140         macdrv_window_did_minimize(hwnd);
 141         break;
 142     case WINDOW_DID_UNMINIMIZE:
 143         macdrv_window_did_unminimize(hwnd);
 144         break;
 145     case WINDOW_FRAME_CHANGED:
 146         macdrv_window_frame_changed(hwnd, event->window_frame_changed.frame);
 147         break;
 148     case WINDOW_GOT_FOCUS:
 149         macdrv_window_got_focus(hwnd, event);
 150         break;
 151     case WINDOW_LOST_FOCUS:
 152         macdrv_window_lost_focus(hwnd, event);
 153         break;
 154     default:
 155         TRACE("    ignoring\n");
 156         break;
 157     }
 158
 159     thread_data->current_event = prev;
 160 }
 161
 162
 163 /***********************************************************************
 164  *              process_events
 165  */
 166 static int process_events(macdrv_event_queue queue, macdrv_event_mask mask)
 167 {
 168     macdrv_event event;
 169     int count = 0;
 170
 171     while (macdrv_get_event_from_queue(queue, mask, &event))
 172     {
 173         count++;
 174         macdrv_handle_event(&event);
 175         macdrv_cleanup_event(&event);
 176     }
 177     if (count) TRACE("processed %d events\n", count);
 178     return count;
 179 }
 180
 181
 182 /***********************************************************************
 183  *              MsgWaitForMultipleObjectsEx   (MACDRV.@)
 184  */
 185 DWORD CDECL macdrv_MsgWaitForMultipleObjectsEx(DWORD count, const HANDLE *handles,
 186                                                DWORD timeout, DWORD mask, DWORD flags)
 187 {
 188     DWORD ret;
 189     struct macdrv_thread_data *data = macdrv_thread_data();
 190     macdrv_event_mask event_mask = get_event_mask(mask);
 191
 192     TRACE("count %d, handles %p, timeout %u, mask %x, flags %x\n", count,
 193           handles, timeout, mask, flags);
 194
 195     if (!data)
 196     {
 197         if (!count && !timeout) return WAIT_TIMEOUT;
 198         return WaitForMultipleObjectsEx(count, handles, flags & MWMO_WAITALL,
 199                                         timeout, flags & MWMO_ALERTABLE);
 200     }
 201
 202     if (data->current_event) event_mask = 0;  /* don't process nested events */
 203
 204     if (process_events(data->queue, event_mask)) ret = count - 1;
 205     else if (count || timeout)
 206     {
 207         ret = WaitForMultipleObjectsEx(count, handles, flags & MWMO_WAITALL,
 208                                        timeout, flags & MWMO_ALERTABLE);
 209         if (ret == count - 1) process_events(data->queue, event_mask);
 210     }
 211     else ret = WAIT_TIMEOUT;
 212
 213     return ret;
 214 }