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         "APP_QUIT_REQUESTED",
  37         "DISPLAYS_CHANGED",
  38         "IM_SET_TEXT",
  39         "KEY_PRESS",
  40         "KEY_RELEASE",
  41         "KEYBOARD_CHANGED",
  42         "MOUSE_BUTTON",
  43         "MOUSE_MOVED",
  44         "MOUSE_MOVED_ABSOLUTE",
  45         "MOUSE_SCROLL",
  46         "QUERY_EVENT",
  47         "STATUS_ITEM_CLICKED",
  48         "WINDOW_CLOSE_REQUESTED",
  49         "WINDOW_DID_MINIMIZE",
  50         "WINDOW_DID_UNMINIMIZE",
  51         "WINDOW_FRAME_CHANGED",
  52         "WINDOW_GOT_FOCUS",
  53         "WINDOW_LOST_FOCUS",
  54     };
  55
  56     if (0 <= type && type < NUM_EVENT_TYPES) return event_names[type];
  57     return wine_dbg_sprintf("Unknown event %d", type);
  58 }
  59
  60
  61 /***********************************************************************
  62  *              get_event_mask
  63  */
  64 static macdrv_event_mask get_event_mask(DWORD mask)
  65 {
  66     macdrv_event_mask event_mask = 0;
  67
  68     if ((mask & QS_ALLINPUT) == QS_ALLINPUT) return -1;
  69
  70     if (mask & QS_KEY)
  71     {
  72         event_mask |= event_mask_for_type(KEY_PRESS);
  73         event_mask |= event_mask_for_type(KEY_RELEASE);
  74         event_mask |= event_mask_for_type(KEYBOARD_CHANGED);
  75     }
  76
  77     if (mask & QS_MOUSEBUTTON)
  78     {
  79         event_mask |= event_mask_for_type(MOUSE_BUTTON);
  80         event_mask |= event_mask_for_type(MOUSE_SCROLL);
  81     }
  82
  83     if (mask & QS_MOUSEMOVE)
  84     {
  85         event_mask |= event_mask_for_type(MOUSE_MOVED);
  86         event_mask |= event_mask_for_type(MOUSE_MOVED_ABSOLUTE);
  87     }
  88
  89     if (mask & QS_POSTMESSAGE)
  90     {
  91         event_mask |= event_mask_for_type(APP_DEACTIVATED);
  92         event_mask |= event_mask_for_type(APP_QUIT_REQUESTED);
  93         event_mask |= event_mask_for_type(DISPLAYS_CHANGED);
  94         event_mask |= event_mask_for_type(IM_SET_TEXT);
  95         event_mask |= event_mask_for_type(STATUS_ITEM_CLICKED);
  96         event_mask |= event_mask_for_type(WINDOW_CLOSE_REQUESTED);
  97         event_mask |= event_mask_for_type(WINDOW_DID_MINIMIZE);
  98         event_mask |= event_mask_for_type(WINDOW_DID_UNMINIMIZE);
  99         event_mask |= event_mask_for_type(WINDOW_FRAME_CHANGED);
 100         event_mask |= event_mask_for_type(WINDOW_GOT_FOCUS);
 101         event_mask |= event_mask_for_type(WINDOW_LOST_FOCUS);
 102     }
 103
 104     if (mask & QS_SENDMESSAGE)
 105     {
 106         event_mask |= event_mask_for_type(QUERY_EVENT);
 107     }
 108
 109     return event_mask;
 110 }
 111
 112
 113 /***********************************************************************
 114  *              macdrv_query_event
 115  *
 116  * Handler for QUERY_EVENT queries.
 117  */
 118 static void macdrv_query_event(HWND hwnd, const macdrv_event *event)
 119 {
 120     BOOL success = FALSE;
 121     macdrv_query *query = event->query_event.query;
 122
 123     switch (query->type)
 124     {
 125         case QUERY_DRAG_DROP:
 126             TRACE("QUERY_DRAG_DROP\n");
 127             success = query_drag_drop(query);
 128             break;
 129         case QUERY_DRAG_EXITED:
 130             TRACE("QUERY_DRAG_EXITED\n");
 131             success = query_drag_exited(query);
 132             break;
 133         case QUERY_DRAG_OPERATION:
 134             TRACE("QUERY_DRAG_OPERATION\n");
 135             success = query_drag_operation(query);
 136             break;
 137         case QUERY_IME_CHAR_RECT:
 138             TRACE("QUERY_IME_CHAR_RECT\n");
 139             success = query_ime_char_rect(query);
 140             break;
 141         case QUERY_PASTEBOARD_DATA:
 142             TRACE("QUERY_PASTEBOARD_DATA\n");
 143             success = query_pasteboard_data(hwnd, query->pasteboard_data.type);
 144             break;
 145         default:
 146             FIXME("unrecognized query type %d\n", query->type);
 147             break;
 148     }
 149
 150     TRACE("success %d\n", success);
 151     query->status = success;
 152     macdrv_set_query_done(query);
 153 }
 154
 155
 156 /***********************************************************************
 157  *              macdrv_handle_event
 158  */
 159 void macdrv_handle_event(const macdrv_event *event)
 160 {
 161     HWND hwnd = macdrv_get_window_hwnd(event->window);
 162     const macdrv_event *prev;
 163     struct macdrv_thread_data *thread_data = macdrv_thread_data();
 164
 165     TRACE("%s for hwnd/window %p/%p\n", dbgstr_event(event->type), hwnd,
 166           event->window);
 167
 168     prev = thread_data->current_event;
 169     thread_data->current_event = event;
 170
 171     switch (event->type)
 172     {
 173     case APP_DEACTIVATED:
 174         macdrv_app_deactivated();
 175         break;
 176     case APP_QUIT_REQUESTED:
 177         macdrv_app_quit_requested(event);
 178         break;
 179     case DISPLAYS_CHANGED:
 180         macdrv_displays_changed(event);
 181         break;
 182     case IM_SET_TEXT:
 183         macdrv_im_set_text(event);
 184         break;
 185     case KEY_PRESS:
 186     case KEY_RELEASE:
 187         macdrv_key_event(hwnd, event);
 188         break;
 189     case KEYBOARD_CHANGED:
 190         macdrv_keyboard_changed(event);
 191         break;
 192     case MOUSE_BUTTON:
 193         macdrv_mouse_button(hwnd, event);
 194         break;
 195     case MOUSE_MOVED:
 196     case MOUSE_MOVED_ABSOLUTE:
 197         macdrv_mouse_moved(hwnd, event);
 198         break;
 199     case MOUSE_SCROLL:
 200         macdrv_mouse_scroll(hwnd, event);
 201         break;
 202     case QUERY_EVENT:
 203         macdrv_query_event(hwnd, event);
 204         break;
 205     case STATUS_ITEM_CLICKED:
 206         macdrv_status_item_clicked(event);
 207         break;
 208     case WINDOW_CLOSE_REQUESTED:
 209         macdrv_window_close_requested(hwnd);
 210         break;
 211     case WINDOW_DID_MINIMIZE:
 212         macdrv_window_did_minimize(hwnd);
 213         break;
 214     case WINDOW_DID_UNMINIMIZE:
 215         macdrv_window_did_unminimize(hwnd);
 216         break;
 217     case WINDOW_FRAME_CHANGED:
 218         macdrv_window_frame_changed(hwnd, event->window_frame_changed.frame);
 219         break;
 220     case WINDOW_GOT_FOCUS:
 221         macdrv_window_got_focus(hwnd, event);
 222         break;
 223     case WINDOW_LOST_FOCUS:
 224         macdrv_window_lost_focus(hwnd, event);
 225         break;
 226     default:
 227         TRACE("    ignoring\n");
 228         break;
 229     }
 230
 231     thread_data->current_event = prev;
 232 }
 233
 234
 235 /***********************************************************************
 236  *              process_events
 237  */
 238 static int process_events(macdrv_event_queue queue, macdrv_event_mask mask)
 239 {
 240     macdrv_event *event;
 241     int count = 0;
 242
 243     while (macdrv_copy_event_from_queue(queue, mask, &event))
 244     {
 245         count++;
 246         macdrv_handle_event(event);
 247         macdrv_release_event(event);
 248     }
 249     if (count) TRACE("processed %d events\n", count);
 250     return count;
 251 }
 252
 253
 254 /***********************************************************************
 255  *              MsgWaitForMultipleObjectsEx   (MACDRV.@)
 256  */
 257 DWORD CDECL macdrv_MsgWaitForMultipleObjectsEx(DWORD count, const HANDLE *handles,
 258                                                DWORD timeout, DWORD mask, DWORD flags)
 259 {
 260     DWORD ret;
 261     struct macdrv_thread_data *data = macdrv_thread_data();
 262     macdrv_event_mask event_mask = get_event_mask(mask);
 263
 264     TRACE("count %d, handles %p, timeout %u, mask %x, flags %x\n", count,
 265           handles, timeout, mask, flags);
 266
 267     if (!data)
 268     {
 269         if (!count && !timeout) return WAIT_TIMEOUT;
 270         return WaitForMultipleObjectsEx(count, handles, flags & MWMO_WAITALL,
 271                                         timeout, flags & MWMO_ALERTABLE);
 272     }
 273
 274     if (data->current_event && data->current_event->type != QUERY_EVENT &&
 275         data->current_event->type != APP_QUIT_REQUESTED)
 276         event_mask = 0;  /* don't process nested events */
 277
 278     if (process_events(data->queue, event_mask)) ret = count - 1;
 279     else if (count || timeout)
 280     {
 281         ret = WaitForMultipleObjectsEx(count, handles, flags & MWMO_WAITALL,
 282                                        timeout, flags & MWMO_ALERTABLE);
 283         if (ret == count - 1) process_events(data->queue, event_mask);
 284     }
 285     else ret = WAIT_TIMEOUT;
 286
 287     return ret;
 288 }