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         "DISPLAYS_CHANGED",
  37         "KEY_PRESS",
  38         "KEY_RELEASE",
  39         "KEYBOARD_CHANGED",
  40         "MOUSE_BUTTON",
  41         "MOUSE_MOVED",
  42         "MOUSE_MOVED_ABSOLUTE",
  43         "MOUSE_SCROLL",
  44         "QUERY_EVENT",
  45         "STATUS_ITEM_CLICKED",
  46         "WINDOW_CLOSE_REQUESTED",
  47         "WINDOW_DID_MINIMIZE",
  48         "WINDOW_DID_UNMINIMIZE",
  49         "WINDOW_FRAME_CHANGED",
  50         "WINDOW_GOT_FOCUS",
  51         "WINDOW_LOST_FOCUS",
  52     };
  53
  54     if (0 <= type && type < NUM_EVENT_TYPES) return event_names[type];
  55     return wine_dbg_sprintf("Unknown event %d", type);
  56 }
  57
  58
  59 /***********************************************************************
  60  *              get_event_mask
  61  */
  62 static macdrv_event_mask get_event_mask(DWORD mask)
  63 {
  64     macdrv_event_mask event_mask = 0;
  65
  66     if ((mask & QS_ALLINPUT) == QS_ALLINPUT) return -1;
  67
  68     if (mask & QS_KEY)
  69     {
  70         event_mask |= event_mask_for_type(KEY_PRESS);
  71         event_mask |= event_mask_for_type(KEY_RELEASE);
  72         event_mask |= event_mask_for_type(KEYBOARD_CHANGED);
  73     }
  74
  75     if (mask & QS_MOUSEBUTTON)
  76     {
  77         event_mask |= event_mask_for_type(MOUSE_BUTTON);
  78         event_mask |= event_mask_for_type(MOUSE_SCROLL);
  79     }
  80
  81     if (mask & QS_MOUSEMOVE)
  82     {
  83         event_mask |= event_mask_for_type(MOUSE_MOVED);
  84         event_mask |= event_mask_for_type(MOUSE_MOVED_ABSOLUTE);
  85     }
  86
  87     if (mask & QS_POSTMESSAGE)
  88     {
  89         event_mask |= event_mask_for_type(APP_DEACTIVATED);
  90         event_mask |= event_mask_for_type(DISPLAYS_CHANGED);
  91         event_mask |= event_mask_for_type(STATUS_ITEM_CLICKED);
  92         event_mask |= event_mask_for_type(WINDOW_CLOSE_REQUESTED);
  93         event_mask |= event_mask_for_type(WINDOW_DID_MINIMIZE);
  94         event_mask |= event_mask_for_type(WINDOW_DID_UNMINIMIZE);
  95         event_mask |= event_mask_for_type(WINDOW_FRAME_CHANGED);
  96         event_mask |= event_mask_for_type(WINDOW_GOT_FOCUS);
  97         event_mask |= event_mask_for_type(WINDOW_LOST_FOCUS);
  98     }
  99
 100     if (mask & QS_SENDMESSAGE)
 101     {
 102         event_mask |= event_mask_for_type(QUERY_EVENT);
 103     }
 104
 105     return event_mask;
 106 }
 107
 108
 109 /***********************************************************************
 110  *              macdrv_query_event
 111  *
 112  * Handler for QUERY_EVENT queries.
 113  */
 114 static void macdrv_query_event(HWND hwnd, const macdrv_event *event)
 115 {
 116     BOOL success = FALSE;
 117     macdrv_query *query = event->query_event.query;
 118
 119     switch (query->type)
 120     {
 121         case QUERY_DRAG_DROP:
 122             TRACE("QUERY_DRAG_DROP\n");
 123             success = query_drag_drop(query);
 124             break;
 125         case QUERY_DRAG_EXITED:
 126             TRACE("QUERY_DRAG_EXITED\n");
 127             success = query_drag_exited(query);
 128             break;
 129         case QUERY_DRAG_OPERATION:
 130             TRACE("QUERY_DRAG_OPERATION\n");
 131             success = query_drag_operation(query);
 132             break;
 133         case QUERY_PASTEBOARD_DATA:
 134             TRACE("QUERY_PASTEBOARD_DATA\n");
 135             success = query_pasteboard_data(hwnd, query->pasteboard_data.type);
 136             break;
 137         default:
 138             FIXME("unrecognized query type %d\n", query->type);
 139             break;
 140     }
 141
 142     TRACE("success %d\n", success);
 143     query->status = success;
 144     macdrv_set_query_done(query);
 145 }
 146
 147
 148 /***********************************************************************
 149  *              macdrv_handle_event
 150  */
 151 void macdrv_handle_event(const macdrv_event *event)
 152 {
 153     HWND hwnd = macdrv_get_window_hwnd(event->window);
 154     const macdrv_event *prev;
 155     struct macdrv_thread_data *thread_data = macdrv_thread_data();
 156
 157     TRACE("%s for hwnd/window %p/%p\n", dbgstr_event(event->type), hwnd,
 158           event->window);
 159
 160     prev = thread_data->current_event;
 161     thread_data->current_event = event;
 162
 163     switch (event->type)
 164     {
 165     case APP_DEACTIVATED:
 166         macdrv_app_deactivated();
 167         break;
 168     case DISPLAYS_CHANGED:
 169         macdrv_displays_changed(event);
 170         break;
 171     case KEY_PRESS:
 172     case KEY_RELEASE:
 173         macdrv_key_event(hwnd, event);
 174         break;
 175     case KEYBOARD_CHANGED:
 176         macdrv_keyboard_changed(event);
 177         break;
 178     case MOUSE_BUTTON:
 179         macdrv_mouse_button(hwnd, event);
 180         break;
 181     case MOUSE_MOVED:
 182     case MOUSE_MOVED_ABSOLUTE:
 183         macdrv_mouse_moved(hwnd, event);
 184         break;
 185     case MOUSE_SCROLL:
 186         macdrv_mouse_scroll(hwnd, event);
 187         break;
 188     case QUERY_EVENT:
 189         macdrv_query_event(hwnd, event);
 190         break;
 191     case STATUS_ITEM_CLICKED:
 192         macdrv_status_item_clicked(event);
 193         break;
 194     case WINDOW_CLOSE_REQUESTED:
 195         macdrv_window_close_requested(hwnd);
 196         break;
 197     case WINDOW_DID_MINIMIZE:
 198         macdrv_window_did_minimize(hwnd);
 199         break;
 200     case WINDOW_DID_UNMINIMIZE:
 201         macdrv_window_did_unminimize(hwnd);
 202         break;
 203     case WINDOW_FRAME_CHANGED:
 204         macdrv_window_frame_changed(hwnd, event->window_frame_changed.frame);
 205         break;
 206     case WINDOW_GOT_FOCUS:
 207         macdrv_window_got_focus(hwnd, event);
 208         break;
 209     case WINDOW_LOST_FOCUS:
 210         macdrv_window_lost_focus(hwnd, event);
 211         break;
 212     default:
 213         TRACE("    ignoring\n");
 214         break;
 215     }
 216
 217     thread_data->current_event = prev;
 218 }
 219
 220
 221 /***********************************************************************
 222  *              process_events
 223  */
 224 static int process_events(macdrv_event_queue queue, macdrv_event_mask mask)
 225 {
 226     macdrv_event *event;
 227     int count = 0;
 228
 229     while (macdrv_copy_event_from_queue(queue, mask, &event))
 230     {
 231         count++;
 232         macdrv_handle_event(event);
 233         macdrv_release_event(event);
 234     }
 235     if (count) TRACE("processed %d events\n", count);
 236     return count;
 237 }
 238
 239
 240 /***********************************************************************
 241  *              MsgWaitForMultipleObjectsEx   (MACDRV.@)
 242  */
 243 DWORD CDECL macdrv_MsgWaitForMultipleObjectsEx(DWORD count, const HANDLE *handles,
 244                                                DWORD timeout, DWORD mask, DWORD flags)
 245 {
 246     DWORD ret;
 247     struct macdrv_thread_data *data = macdrv_thread_data();
 248     macdrv_event_mask event_mask = get_event_mask(mask);
 249
 250     TRACE("count %d, handles %p, timeout %u, mask %x, flags %x\n", count,
 251           handles, timeout, mask, flags);
 252
 253     if (!data)
 254     {
 255         if (!count && !timeout) return WAIT_TIMEOUT;
 256         return WaitForMultipleObjectsEx(count, handles, flags & MWMO_WAITALL,
 257                                         timeout, flags & MWMO_ALERTABLE);
 258     }
 259
 260     if (data->current_event && data->current_event->type != QUERY_EVENT)
 261         event_mask = 0;  /* don't process nested events */
 262
 263     if (process_events(data->queue, event_mask)) ret = count - 1;
 264     else if (count || timeout)
 265     {
 266         ret = WaitForMultipleObjectsEx(count, handles, flags & MWMO_WAITALL,
 267                                        timeout, flags & MWMO_ALERTABLE);
 268         if (ret == count - 1) process_events(data->queue, event_mask);
 269     }
 270     else ret = WAIT_TIMEOUT;
 271
 272     return ret;
 273 }