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         "RELEASE_CAPTURE",
  48         "STATUS_ITEM_MOUSE_BUTTON",
  49         "STATUS_ITEM_MOUSE_MOVE",
  50         "WINDOW_CLOSE_REQUESTED",
  51         "WINDOW_DID_MINIMIZE",
  52         "WINDOW_DID_UNMINIMIZE",
  53         "WINDOW_FRAME_CHANGED",
  54         "WINDOW_GOT_FOCUS",
  55         "WINDOW_LOST_FOCUS",
  56     };
  57
  58     if (0 <= type && type < NUM_EVENT_TYPES) return event_names[type];
  59     return wine_dbg_sprintf("Unknown event %d", type);
  60 }
  61
  62
  63 /***********************************************************************
  64  *              get_event_mask
  65  */
  66 static macdrv_event_mask get_event_mask(DWORD mask)
  67 {
  68     macdrv_event_mask event_mask = 0;
  69
  70     if ((mask & QS_ALLINPUT) == QS_ALLINPUT) return -1;
  71
  72     if (mask & QS_KEY)
  73     {
  74         event_mask |= event_mask_for_type(KEY_PRESS);
  75         event_mask |= event_mask_for_type(KEY_RELEASE);
  76         event_mask |= event_mask_for_type(KEYBOARD_CHANGED);
  77     }
  78
  79     if (mask & QS_MOUSEBUTTON)
  80     {
  81         event_mask |= event_mask_for_type(MOUSE_BUTTON);
  82         event_mask |= event_mask_for_type(MOUSE_SCROLL);
  83     }
  84
  85     if (mask & QS_MOUSEMOVE)
  86     {
  87         event_mask |= event_mask_for_type(MOUSE_MOVED);
  88         event_mask |= event_mask_for_type(MOUSE_MOVED_ABSOLUTE);
  89     }
  90
  91     if (mask & QS_POSTMESSAGE)
  92     {
  93         event_mask |= event_mask_for_type(APP_DEACTIVATED);
  94         event_mask |= event_mask_for_type(APP_QUIT_REQUESTED);
  95         event_mask |= event_mask_for_type(DISPLAYS_CHANGED);
  96         event_mask |= event_mask_for_type(IM_SET_TEXT);
  97         event_mask |= event_mask_for_type(STATUS_ITEM_MOUSE_BUTTON);
  98         event_mask |= event_mask_for_type(STATUS_ITEM_MOUSE_MOVE);
  99         event_mask |= event_mask_for_type(WINDOW_CLOSE_REQUESTED);
 100         event_mask |= event_mask_for_type(WINDOW_DID_MINIMIZE);
 101         event_mask |= event_mask_for_type(WINDOW_DID_UNMINIMIZE);
 102         event_mask |= event_mask_for_type(WINDOW_FRAME_CHANGED);
 103         event_mask |= event_mask_for_type(WINDOW_GOT_FOCUS);
 104         event_mask |= event_mask_for_type(WINDOW_LOST_FOCUS);
 105     }
 106
 107     if (mask & QS_SENDMESSAGE)
 108     {
 109         event_mask |= event_mask_for_type(QUERY_EVENT);
 110         event_mask |= event_mask_for_type(RELEASE_CAPTURE);
 111     }
 112
 113     return event_mask;
 114 }
 115
 116
 117 /***********************************************************************
 118  *              macdrv_query_event
 119  *
 120  * Handler for QUERY_EVENT queries.
 121  */
 122 static void macdrv_query_event(HWND hwnd, const macdrv_event *event)
 123 {
 124     BOOL success = FALSE;
 125     macdrv_query *query = event->query_event.query;
 126
 127     switch (query->type)
 128     {
 129         case QUERY_DRAG_DROP:
 130             TRACE("QUERY_DRAG_DROP\n");
 131             success = query_drag_drop(query);
 132             break;
 133         case QUERY_DRAG_EXITED:
 134             TRACE("QUERY_DRAG_EXITED\n");
 135             success = query_drag_exited(query);
 136             break;
 137         case QUERY_DRAG_OPERATION:
 138             TRACE("QUERY_DRAG_OPERATION\n");
 139             success = query_drag_operation(query);
 140             break;
 141         case QUERY_IME_CHAR_RECT:
 142             TRACE("QUERY_IME_CHAR_RECT\n");
 143             success = query_ime_char_rect(query);
 144             break;
 145         case QUERY_PASTEBOARD_DATA:
 146             TRACE("QUERY_PASTEBOARD_DATA\n");
 147             success = query_pasteboard_data(hwnd, query->pasteboard_data.type);
 148             break;
 149         default:
 150             FIXME("unrecognized query type %d\n", query->type);
 151             break;
 152     }
 153
 154     TRACE("success %d\n", success);
 155     query->status = success;
 156     macdrv_set_query_done(query);
 157 }
 158
 159
 160 /***********************************************************************
 161  *              macdrv_handle_event
 162  */
 163 void macdrv_handle_event(const macdrv_event *event)
 164 {
 165     HWND hwnd = macdrv_get_window_hwnd(event->window);
 166     const macdrv_event *prev;
 167     struct macdrv_thread_data *thread_data = macdrv_thread_data();
 168
 169     TRACE("%s for hwnd/window %p/%p\n", dbgstr_event(event->type), hwnd,
 170           event->window);
 171
 172     prev = thread_data->current_event;
 173     thread_data->current_event = event;
 174
 175     switch (event->type)
 176     {
 177     case APP_DEACTIVATED:
 178         macdrv_app_deactivated();
 179         break;
 180     case APP_QUIT_REQUESTED:
 181         macdrv_app_quit_requested(event);
 182         break;
 183     case DISPLAYS_CHANGED:
 184         macdrv_displays_changed(event);
 185         break;
 186     case IM_SET_TEXT:
 187         macdrv_im_set_text(event);
 188         break;
 189     case KEY_PRESS:
 190     case KEY_RELEASE:
 191         macdrv_key_event(hwnd, event);
 192         break;
 193     case KEYBOARD_CHANGED:
 194         macdrv_keyboard_changed(event);
 195         break;
 196     case MOUSE_BUTTON:
 197         macdrv_mouse_button(hwnd, event);
 198         break;
 199     case MOUSE_MOVED:
 200     case MOUSE_MOVED_ABSOLUTE:
 201         macdrv_mouse_moved(hwnd, event);
 202         break;
 203     case MOUSE_SCROLL:
 204         macdrv_mouse_scroll(hwnd, event);
 205         break;
 206     case QUERY_EVENT:
 207         macdrv_query_event(hwnd, event);
 208         break;
 209     case RELEASE_CAPTURE:
 210         macdrv_release_capture(hwnd, event);
 211         break;
 212     case STATUS_ITEM_MOUSE_BUTTON:
 213         macdrv_status_item_mouse_button(event);
 214         break;
 215     case STATUS_ITEM_MOUSE_MOVE:
 216         macdrv_status_item_mouse_move(event);
 217         break;
 218     case WINDOW_CLOSE_REQUESTED:
 219         macdrv_window_close_requested(hwnd);
 220         break;
 221     case WINDOW_DID_MINIMIZE:
 222         macdrv_window_did_minimize(hwnd);
 223         break;
 224     case WINDOW_DID_UNMINIMIZE:
 225         macdrv_window_did_unminimize(hwnd);
 226         break;
 227     case WINDOW_FRAME_CHANGED:
 228         macdrv_window_frame_changed(hwnd, event->window_frame_changed.frame);
 229         break;
 230     case WINDOW_GOT_FOCUS:
 231         macdrv_window_got_focus(hwnd, event);
 232         break;
 233     case WINDOW_LOST_FOCUS:
 234         macdrv_window_lost_focus(hwnd, event);
 235         break;
 236     default:
 237         TRACE("    ignoring\n");
 238         break;
 239     }
 240
 241     thread_data->current_event = prev;
 242 }
 243
 244
 245 /***********************************************************************
 246  *              process_events
 247  */
 248 static int process_events(macdrv_event_queue queue, macdrv_event_mask mask)
 249 {
 250     macdrv_event *event;
 251     int count = 0;
 252
 253     while (macdrv_copy_event_from_queue(queue, mask, &event))
 254     {
 255         count++;
 256         macdrv_handle_event(event);
 257         macdrv_release_event(event);
 258     }
 259     if (count) TRACE("processed %d events\n", count);
 260     return count;
 261 }
 262
 263
 264 /***********************************************************************
 265  *              MsgWaitForMultipleObjectsEx   (MACDRV.@)
 266  */
 267 DWORD CDECL macdrv_MsgWaitForMultipleObjectsEx(DWORD count, const HANDLE *handles,
 268                                                DWORD timeout, DWORD mask, DWORD flags)
 269 {
 270     DWORD ret;
 271     struct macdrv_thread_data *data = macdrv_thread_data();
 272     macdrv_event_mask event_mask = get_event_mask(mask);
 273
 274     TRACE("count %d, handles %p, timeout %u, mask %x, flags %x\n", count,
 275           handles, timeout, mask, flags);
 276
 277     if (!data)
 278     {
 279         if (!count && !timeout) return WAIT_TIMEOUT;
 280         return WaitForMultipleObjectsEx(count, handles, flags & MWMO_WAITALL,
 281                                         timeout, flags & MWMO_ALERTABLE);
 282     }
 283
 284     if (data->current_event && data->current_event->type != QUERY_EVENT &&
 285         data->current_event->type != APP_QUIT_REQUESTED)
 286         event_mask = 0;  /* don't process nested events */
 287
 288     if (process_events(data->queue, event_mask)) ret = count - 1;
 289     else if (count || timeout)
 290     {
 291         ret = WaitForMultipleObjectsEx(count, handles, flags & MWMO_WAITALL,
 292                                        timeout, flags & MWMO_ALERTABLE);
 293         if (ret == count - 1) process_events(data->queue, event_mask);
 294     }
 295     else ret = WAIT_TIMEOUT;
 296
 297     return ret;
 298 }