src/video_output/event.h

   1 /*****************************************************************************
   2  * event.h: vout event
   3  *****************************************************************************
   4  * Copyright (C) 2009 Laurent Aimar
   5  * $Id$
   6  *
   7  * Authors: Laurent Aimar <fenrir _AT_ videolan _DOT_ org>
   8  *
   9  * This program is free software; you can redistribute it and/or modify it
  10  * under the terms of the GNU Lesser General Public License as published by
  11  * the Free Software Foundation; either version 2.1 of the License, or
  12  * (at your option) any later version.
  13  *
  14  * This program is distributed in the hope that it will be useful,
  15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  17  * GNU Lesser General Public License for more details.
  18  *
  19  * You should have received a copy of the GNU Lesser General Public License
  20  * along with this program; if not, write to the Free Software Foundation,
  21  * Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
  22  *****************************************************************************/
  23
  24 #include <vlc_common.h>
  25 #include <math.h>
  26
  27 #include "vout_internal.h"
  28
  29 /* TODO/FIXME
  30  *
  31  * It should be converted to something like input_thread_t:
  32  * one intf-event can be grabbed by a callback, all others
  33  * variable only var_Change
  34  *
  35  * Maybe a intf-mouse can be used too (don't like it).
  36  *
  37  * (Some case may infinite loop otherwise here)
  38  */
  39
  40 static inline void vout_SendEventClose(vout_thread_t *vout)
  41 {
  42 #warning FIXME: implement video close event
  43     /* FIXME: this code is disabled as it breaks the non-playlist cases */
  44     //playlist_Stop(pl_Get(vout));
  45     (void) vout;
  46 }
  47 static inline void vout_SendEventKey(vout_thread_t *vout, int key)
  48 {
  49     var_SetInteger(vout->obj.libvlc, "key-pressed", key);
  50 }
  51 static inline void vout_SendEventMouseMoved(vout_thread_t *vout, int x, int y)
  52 {
  53     var_SetCoords(vout, "mouse-moved", x, y);
  54 }
  55 static inline void vout_SendEventViewpointMoved(vout_thread_t *vout,
  56                                                 const vlc_viewpoint_t *p_viewpoint)
  57 {
  58     var_SetAddress(vout, "viewpoint-moved", (void *) p_viewpoint);
  59     /* This variable can only be read from callbacks */
  60     var_Change(vout, "viewpoint-moved", VLC_VAR_SETVALUE,
  61                &(vlc_value_t) { .p_address = NULL }, NULL);
  62 }
  63 static inline void vout_SendEventMousePressed(vout_thread_t *vout, int button)
  64 {
  65     int key = KEY_UNSET;
  66     var_OrInteger(vout, "mouse-button-down", 1 << button);
  67
  68     switch (button)
  69     {
  70     case MOUSE_BUTTON_LEFT:
  71     {
  72         /* FIXME? */
  73         int x, y;
  74         var_GetCoords(vout, "mouse-moved", &x, &y);
  75         var_SetCoords(vout, "mouse-clicked", x, y);
  76         var_SetBool(vout->obj.libvlc, "intf-popupmenu", false);
  77         return;
  78     }
  79     case MOUSE_BUTTON_CENTER:
  80         var_ToggleBool(vout->obj.libvlc, "intf-toggle-fscontrol");
  81         return;
  82     case MOUSE_BUTTON_RIGHT:
  83 #if !defined(_WIN32)
  84         var_SetBool(vout->obj.libvlc, "intf-popupmenu", true);
  85 #endif
  86         return;
  87     case MOUSE_BUTTON_WHEEL_UP:    key = KEY_MOUSEWHEELUP;    break;
  88     case MOUSE_BUTTON_WHEEL_DOWN:  key = KEY_MOUSEWHEELDOWN;  break;
  89     case MOUSE_BUTTON_WHEEL_LEFT:  key = KEY_MOUSEWHEELLEFT;  break;
  90     case MOUSE_BUTTON_WHEEL_RIGHT: key = KEY_MOUSEWHEELRIGHT; break;
  91     }
  92     vout_SendEventKey(vout, key);
  93 }
  94 static inline void vout_SendEventMouseReleased(vout_thread_t *vout, int button)
  95 {
  96     var_NAndInteger(vout, "mouse-button-down", 1 << button);
  97 #if defined(_WIN32)
  98     switch (button)
  99     {
 100     case MOUSE_BUTTON_RIGHT:
 101         var_SetBool(vout->obj.libvlc, "intf-popupmenu", true);
 102         return;
 103     }
 104 #endif
 105 }
 106 static inline void vout_SendEventMouseDoubleClick(vout_thread_t *vout)
 107 {
 108     //vout_ControlSetFullscreen(vout, !var_GetBool(vout, "fullscreen"));
 109     var_ToggleBool(vout, "fullscreen");
 110 }
 111 static inline void vout_SendEventViewpointChangeable(vout_thread_t *vout,
 112                                                      bool b_can_change)
 113 {
 114     var_SetBool(vout, "viewpoint-changeable", b_can_change);
 115 }
 116
 117 #if 0
 118 static inline void vout_SendEventSnapshot(vout_thread_t *vout, const char *filename)
 119 {
 120     /* signal creation of a new snapshot file */
 121     var_SetString(vout->obj.libvlc, "snapshot-file", filename);
 122 }
 123
 124 #warning "FIXME clean up postproc event"
 125
 126 extern void vout_InstallDeprecatedPostProcessing(vout_thread_t *);
 127 extern void vout_UninstallDeprecatedPostProcessing(vout_thread_t *);
 128
 129 static inline void vout_SendEventPostProcessing(vout_thread_t *vout, bool is_available)
 130 {
 131     if (is_available)
 132         vout_InstallDeprecatedPostProcessing(vout);
 133     else
 134         vout_UninstallDeprecatedPostProcessing(vout);
 135 }
 136
 137 static inline void vout_SendEventFilters(vout_thread_t *vout)
 138 {
 139     vout_filter_t **filter;
 140     int           filter_count;
 141
 142     vout_ControlGetFilters(vout, &filter, &filter_count);
 143
 144     char *list = strdup("");
 145     for (int i = 0; i < filter_count; i++) {
 146         char *psz;
 147
 148         if (asprintf(&psz, "%s%s%s",
 149                      list, i > 0 ? ":" : "", filter[i]->name) < 0) {
 150             free(list);
 151             list = NULL;
 152             break;
 153         }
 154         free(list);
 155         list = psz;
 156     }
 157
 158     if (list) {
 159         vlc_value_t val;
 160         val.psz_string = list;
 161         var_Change(vout, "video-filter", VLC_VAR_SETVALUE, &val, NULL);
 162         free(list);
 163     }
 164
 165     for (int i = 0; i < filter_count; i++)
 166         vout_filter_Delete(filter[i]);
 167     free(filter);
 168 }
 169 #endif