application/window.c

   1 /*
   2  * Copyright 2022 Olaf Wintermann
   3  *
   4  * Permission is hereby granted, free of charge, to any person obtaining a
   5  * copy of this software and associated documentation files (the "Software"),
   6  * to deal in the Software without restriction, including without limitation
   7  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
   8  * and/or sell copies of the Software, and to permit persons to whom the
   9  * Software is furnished to do so, subject to the following conditions:
  10  *
  11  * The above copyright notice and this permission notice shall be included in
  12  * all copies or substantial portions of the Software.
  13  *
  14  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  15  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  16  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
  17  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  18  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  19  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
  20  * DEALINGS IN THE SOFTWARE.
  21  */
  22
  23 #include <stdio.h>
  24 #include <stdlib.h>
  25 #include <string.h>
  26
  27 #include "window.h"
  28 #include "main.h"
  29 #include "player.h"
  30
  31 #include "Fsb.h"
  32 #include "Sidebar.h"
  33
  34 static MainWindow *main_window;
  35
  36 static void WindowCreateMenu(MainWindow *win, Widget parent, Arg *args, int nargs);
  37
  38 static void FileOpenCB(Widget w, void *udata, void *cdata);
  39 static void FileQuitCB(Widget w, void *udata, void *cdata);
  40 static void PlayRepeatCB(Widget w, void *udata, void *cdata);
  41 static void PlayRepeatListCB(Widget w, void *udata, void *cdata);
  42 static void PlayAutoPlayCB(Widget w, void *udata, void *cdata);
  43 static void ViewFullscreenCB(Widget w, void *udata, void *cdata);
  44 static void ViewSidebarCB(Widget w, void *udata, void *cdata);
  45
  46 static void WindowRealized(MainWindow *win);
  47
  48 static int blank_cursor_init = 0;
  49 static Pixmap blank_cursor_pixmap;
  50 static Cursor blank_cursor;
  51
  52 static void init_blank_cursor(Widget w) {
  53     char data = 0;
  54
  55     XColor c;
  56
  57     blank_cursor_pixmap = XCreateBitmapFromData(XtDisplay(w), XtWindow(w), &data, 1, 1);
  58     if(!blank_cursor_pixmap) return;
  59
  60     blank_cursor = XCreatePixmapCursor(XtDisplay(w), blank_cursor_pixmap, blank_cursor_pixmap, &c, &c, 0, 0);
  61
  62     XFreePixmap(XtDisplay(w), blank_cursor_pixmap);
  63     blank_cursor_init = 1;
  64 }
  65
  66 static void window_close_handler(Widget window, void *udata, void *cdata) {
  67     FileQuitCB(window, NULL, NULL);
  68 }
  69
  70 static unsigned int keycodeF;
  71
  72 static void windowKeyEH(Widget widget, XtPointer data, XEvent *event, Boolean *dispatch) {
  73     MainWindow *win = data;
  74     if(win->fullscreen && event->xkey.keycode == keycodeF) {
  75         WindowFullscreen(main_window, FALSE);
  76         *dispatch = FALSE;
  77     }
  78 }
  79
  80 static int main_window_is_realized = 0;
  81
  82 static void resizeEH(Widget widget, XtPointer data, XEvent *event, Boolean *dispatch) {
  83     if(!main_window_is_realized) {
  84         if(XtIsRealized(widget)) {
  85             main_window_is_realized = 1;
  86             WindowRealized(data);
  87         }
  88     }
  89     WindowAdjustAspectRatio(data);
  90 }
  91
  92 static void WindowRealized(MainWindow *win) {
  93     char *open_file = GetOpenFileArg();
  94     if(open_file) {
  95         size_t len = strlen(open_file);
  96         char *file = XtMalloc(len+1);
  97         memcpy(file, open_file, len);
  98         file[len] = 0;
  99         WindowSetFile(win, file);
 100         PlayerOpenFile(win);
 101         CleanOpenFileArg();
 102     }
 103
 104     if(!blank_cursor_init) {
 105         init_blank_cursor(win->player_widget);
 106     }
 107 }
 108
 109 static void playerWidgetInputCB(Widget widget, XtPointer u, XtPointer c) {
 110     MainWindow *win = u;
 111     XmDrawingAreaCallbackStruct *cb = c;
 112
 113     if(win->player && win->player->isactive) {
 114         PlayerHandleInput(win, win->player, cb);
 115     }
 116 }
 117
 118 static void windowGrabButton(MainWindow *win) {
 119     //printf("grab\n");
 120     XtGrabButton(
 121                 win->player_widget,
 122                 AnyButton,
 123                 AnyModifier,
 124                 True,
 125                 ButtonPressMask | ButtonReleaseMask | PointerMotionMask | FocusChangeMask | EnterWindowMask | LeaveWindowMask,
 126                 GrabModeAsync,
 127                 GrabModeAsync,
 128                 None,
 129                 None);
 130     win->buttongrab = True;
 131 }
 132
 133 static void playerEH(Widget widget, XtPointer data, XEvent *event, Boolean *dispatch) {
 134     MainWindow *win = data;
 135     int etype = event->type;
 136
 137     ///*
 138     if(etype == EnterNotify) {
 139         //printf("enter\n");
 140         windowGrabButton(win);
 141         return;
 142     }
 143     if(etype == LeaveNotify) {
 144         //printf("leave\n");
 145         //XtUngrabButton(win->player_widget, AnyButton, AnyModifier);
 146         //win->buttongrab = False;
 147         return;
 148     }
 149
 150     int pass = 0;
 151     if(etype == ButtonPress || etype == ButtonRelease || etype == KeyPress || etype == KeyRelease) {
 152         //printf("button press\n");
 153         pass = 1;
 154     }
 155
 156     if(!win->player || win->player->window == 0) return;
 157
 158     WindowHandlePlayerEvent(win, event);
 159
 160     if(pass) {
 161         // redirect key events to the player window
 162         //printf("redirect\n");
 163         event->xkey.window = win->player->window;
 164         XSendEvent(
 165                 XtDisplay(win->player_widget),
 166                 win->player->window,
 167                 True,
 168                 0,
 169                 event);
 170     }
 171 }
 172
 173 #define IGNORE_MOTION_THRESHOLD_MS 1000
 174 #define MOTION_POS_THRESHOLD_PIX   5
 175 #define OSD_BOTTOM_THRESHOLD       0.09
 176
 177 #define DOUBLE_CLICK_TIME_MS       500
 178
 179 void WindowHandlePlayerEvent(MainWindow *win, XEvent *event) {
 180     // event handler for intercepted player mouse events
 181     // win->player is not NULL
 182
 183     int etype = event->type;
 184
 185     if(etype == MotionNotify) {
 186         Time cur_motion_time = event->xmotion.time;
 187         if(win->player) {
 188             win->motion_playback_time = win->player->playback_time;
 189         }
 190
 191         int x = event->xmotion.x_root;
 192         int y = event->xmotion.y_root;
 193         if(win->cursorhidden && cur_motion_time - win->player_event_time < IGNORE_MOTION_THRESHOLD_MS) {
 194             int diff_x = abs(x - win->mouse_x);
 195             int diff_y = abs(y - win->mouse_y);
 196             if(diff_x > MOTION_POS_THRESHOLD_PIX || diff_y > MOTION_POS_THRESHOLD_PIX) {
 197                 WindowShowPlayerCursor(win);
 198             }
 199         } else {
 200             win->mouse_x = x;
 201             win->mouse_y = y;
 202         }
 203         win->player_event_time = cur_motion_time;
 204         win->motion_playback_time = win->player->playback_time;
 205
 206
 207
 208         if(win->pwbuttonpressed) {
 209             Display *dp = XtDisplay(win->window);
 210
 211             XtUngrabPointer(win->player_widget, CurrentTime);
 212
 213             XEvent xev;
 214             memset(&xev, 0, sizeof(xev));
 215             xev.type = ClientMessage;
 216             xev.xclient.message_type = XInternAtom(dp, "_NET_WM_MOVERESIZE", False);
 217             xev.xclient.window = XtWindow(win->window);
 218             xev.xclient.format = 32;
 219             xev.xclient.data.l[0] = x;
 220             xev.xclient.data.l[1] = y;
 221             xev.xclient.data.l[2] = 8; // _NET_WM_MOVERESIZE_MOVE
 222             xev.xclient.data.l[3] = 1; // button1
 223             xev.xclient.data.l[4] = 1; // source indication
 224
 225             XSendEvent(dp, DefaultRootWindow(dp), False, SubstructureRedirectMask | SubstructureNotifyMask, &xev);
 226
 227             win->pwbuttonpressed = FALSE;
 228         }
 229     } else if(etype == ButtonPress) {
 230         Time t = event->xbutton.time;
 231
 232         int yi = win->player_widget->core.height - event->xbutton.y;
 233         if((float)yi/(float)win->player_widget->core.height < OSD_BOTTOM_THRESHOLD) {
 234             win->button_press_time = 0;
 235         } else {
 236             if(t - win->button_press_time < DOUBLE_CLICK_TIME_MS) {
 237                 // double click
 238                 WindowFullscreen(main_window, !win->fullscreen);
 239                 win->button_press_time = 0;
 240             } else {
 241                 win->button_press_time = t;
 242             }
 243             win->pwbuttonpressed = 1;
 244         }
 245     } else if(etype == ButtonRelease) {
 246         win->player_event_time = event->xbutton.time;
 247         win->pwbuttonpressed = FALSE;
 248     }
 249 }
 250
 251 MainWindow* WindowCreate(Display *display) {
 252     Arg args[32];
 253     int n;
 254
 255     MainWindow *window = malloc(sizeof(MainWindow));
 256     memset(window, 0, sizeof(MainWindow));
 257     main_window = window;
 258
 259     // toplevel window
 260     n = 0;
 261     XtSetArg(args[n], XmNtitle, APP_NAME); n++;
 262     window->window = XtAppCreateShell(
 263             APP_NAME,
 264             APP_CLASS,
 265             applicationShellWidgetClass,
 266             //vendorShellWidgetClass,
 267             display,
 268             args,
 269             n);
 270
 271     // close handler
 272     Atom wm_delete_window;
 273     wm_delete_window = XmInternAtom(
 274             display,
 275             "WM_DELETE_WINDOW",
 276             0);
 277     XmAddWMProtocolCallback(
 278             window->window,
 279             wm_delete_window,
 280             window_close_handler,
 281             window);
 282
 283     // resize handler
 284     XtAddEventHandler(window->window, StructureNotifyMask, False, resizeEH, window);
 285
 286     n = 0;
 287     XtSetArg(args[n], XmNwidth, 360); n++;
 288     XtSetArg(args[n], XmNheight, 220); n++;
 289     XtSetArg(args[n], XmNshadowThickness, 0); n++;
 290     Widget container = XmCreateForm(window->window, "form", args, n);
 291     XtManageChild(container);
 292     XtAddEventHandler(container, KeyPressMask, FALSE, windowKeyEH, window);
 293
 294     n = 0;
 295     XtSetArg(args[n], XmNleftAttachment, XmATTACH_FORM); n++;
 296     XtSetArg(args[n], XmNrightAttachment, XmATTACH_FORM); n++;
 297     XtSetArg(args[n], XmNtopAttachment, XmATTACH_FORM); n++;
 298     WindowCreateMenu(window, container, args, n);
 299
 300     n = 0;
 301     XtSetArg(args[n], XmNrightAttachment, XmATTACH_FORM); n++;
 302     XtSetArg(args[n], XmNbottomAttachment, XmATTACH_FORM); n++;
 303     XtSetArg(args[n], XmNtopAttachment, XmATTACH_WIDGET); n++;
 304     XtSetArg(args[n], XmNtopWidget, window->menubar); n++;
 305     XtSetArg(args[n], XmNwidth, 300); n++;
 306     window->sidebar = CreateSidebar(container, "sidebar", args, n);
 307     //XtManageChild(window->sidebar);
 308
 309     n = 0;
 310     XtSetArg(args[n], XmNleftAttachment, XmATTACH_FORM); n++;
 311     XtSetArg(args[n], XmNrightAttachment, XmATTACH_FORM); n++;
 312     XtSetArg(args[n], XmNrightWidget, window->sidebar); n++;
 313     XtSetArg(args[n], XmNbottomAttachment, XmATTACH_FORM); n++;
 314     XtSetArg(args[n], XmNtopAttachment, XmATTACH_WIDGET); n++;
 315     XtSetArg(args[n], XmNtopWidget, window->menubar); n++;
 316     XtSetArg(args[n], XmNbackground, BlackPixelOfScreen(XtScreen(window->window))); n++;
 317     window->player_widget = XmCreateDrawingArea(container, "player", args, n);
 318     XtManageChild(window->player_widget);
 319     XtAddCallback(window->player_widget, XmNinputCallback, playerWidgetInputCB, window);
 320     XmProcessTraversal(window->player_widget, XmTRAVERSE_CURRENT);
 321     XtAddEventHandler(window->player_widget, PointerMotionMask | ButtonPressMask | ButtonReleaseMask | FocusChangeMask |
 322                  EnterWindowMask | KeyPressMask | KeyReleaseMask |
 323                   LeaveWindowMask, FALSE, playerEH, window);
 324
 325
 326     // get F keycode
 327     keycodeF = XKeysymToKeycode(XtDisplay(window->window), XStringToKeysym("F"));
 328
 329     return window;
 330 }
 331
 332 MainWindow* GetMainWindow(void) {
 333     return main_window;
 334 }
 335
 336 void WindowShow(MainWindow *win) {
 337     XtRealizeWidget(win->window);
 338 }
 339
 340 /*
 341  * Creates a XmPushButton menu item
 342  */
 343 static Widget createMenuItem(
 344         Widget menu,
 345         char *name,
 346         char *label,
 347         char mnemonic,
 348         const char *accelerator,
 349         char *accelerator_text,
 350         XtCallbackProc callback,
 351         void *cbData)
 352 {
 353     Arg args[16];
 354     int n = 0;
 355
 356     XmString s1 = XmStringCreateSimple(label);
 357     XtSetArg(args[n], XmNlabelString, s1); n++;
 358     XtSetArg(args[n], XmNmnemonic, mnemonic); n++;
 359     XmString at = NULL;
 360     if(accelerator && accelerator_text) {
 361         at = XmStringCreateSimple(accelerator_text);
 362         XtSetArg(args[n], XmNaccelerator, accelerator); n++;
 363         XtSetArg(args[n], XmNacceleratorText, at); n++;
 364     }
 365
 366     Widget menuItem = XmCreatePushButtonGadget(menu, name, args, n);
 367     XtManageChild(menuItem);
 368     XmStringFree(s1);
 369     if(at) XmStringFree(at);
 370
 371     if(callback) {
 372         XtAddCallback(menuItem, XmNactivateCallback, (XtCallbackProc)callback, cbData);
 373     }
 374
 375     return menuItem;
 376 }
 377
 378 /*
 379  * Creates a XmToggleButton menu item
 380  */
 381 static Widget createToggleMenuItem(
 382         Widget menu,
 383         char *name,
 384         char *label,
 385         char mnemonic,
 386         Boolean defaultValue,
 387         const char *accelerator,
 388         char *accelerator_text,
 389         XtCallbackProc callback,
 390         void *cbData)
 391 {
 392     Arg args[16];
 393     int n = 0;
 394
 395     XmString s1 = XmStringCreateSimple(label);
 396     XtSetArg(args[n], XmNlabelString, s1); n++;
 397     XtSetArg(args[n], XmNmnemonic, mnemonic); n++;
 398     XtSetArg(args[n], XmNset, defaultValue); n++;
 399     XmString at = NULL;
 400     if(accelerator && accelerator_text) {
 401         at = XmStringCreateSimple(accelerator_text);
 402         XtSetArg(args[n], XmNaccelerator, accelerator); n++;
 403         XtSetArg(args[n], XmNacceleratorText, at); n++;
 404     }
 405
 406     Widget menuItem = XmCreateToggleButtonGadget(menu, name, args, n);
 407     XtManageChild(menuItem);
 408     XmStringFree(s1);
 409     if(at) XmStringFree(at);
 410
 411     if(callback) {
 412         XtAddCallback(menuItem, XmNvalueChangedCallback, (XtCallbackProc)callback, cbData);
 413     }
 414
 415     return menuItem;
 416 }
 417
 418 static void WindowCreateMenu(MainWindow *win, Widget parent, Arg *mbargs, int nmbargs) {
 419     Widget menubar = XmCreateMenuBar(parent, "menubar", mbargs, nmbargs);
 420     XtManageChild(menubar);
 421     win->menubar = menubar;
 422
 423     Arg args[16];
 424     int n;
 425
 426     // menus
 427     XmString s = XmStringCreateSimple("File");
 428     XtVaCreateManagedWidget(
 429             "menuitem",
 430             xmCascadeButtonWidgetClass,
 431             menubar,
 432             XmNlabelString, s,
 433             NULL);
 434     XmStringFree(s);
 435     Widget fileMenu = XmVaCreateSimplePulldownMenu(menubar, "menu", 0, NULL, NULL);
 436
 437     s = XmStringCreateSimple("Playback");
 438     XtVaCreateManagedWidget(
 439             "menuitem",
 440             xmCascadeButtonWidgetClass,
 441             menubar,
 442             XmNlabelString, s,
 443             NULL);
 444     XmStringFree(s);
 445     Widget playMenu = XmVaCreateSimplePulldownMenu(menubar, "menu", 1, NULL, NULL);
 446
 447     s = XmStringCreateSimple("View");
 448     Widget viewMenuItem = XtVaCreateManagedWidget(
 449             "menuitem",
 450             xmCascadeButtonWidgetClass,
 451             menubar,
 452             XmNlabelString, s,
 453             NULL);
 454     XmStringFree(s);
 455     Widget viewMenu = XmVaCreateSimplePulldownMenu(menubar, "menu", 2, NULL, NULL);
 456
 457     // file menu
 458     createMenuItem(fileMenu, "fileOpen", "Open...", 'O', "Ctrl<Key>O", "Ctrl+O", FileOpenCB, NULL);
 459     createMenuItem(fileMenu, "fileQuit", "Exit", 'E', "Ctrl<Key>Q", "Ctrl+Q", FileQuitCB, NULL);
 460
 461     // play menu
 462     win->playRepeatTrackButton = createToggleMenuItem(playMenu, "playRepeatTrack", "Repeat", 'R', False, NULL, NULL, PlayRepeatCB, win);
 463     win->playRepeatListButton = createToggleMenuItem(playMenu, "playRepeatList", "Repeat List", 'L', False, NULL, NULL, PlayRepeatListCB, win);
 464     win->playAutoPlayButton = createToggleMenuItem(playMenu, "playAutoNext", "Autoplay Folder", 'A', False, NULL, NULL, PlayAutoPlayCB, win);
 465     XtVaSetValues(win->playRepeatTrackButton, XmNindicatorType, XmONE_OF_MANY, NULL);
 466     XtVaSetValues(win->playRepeatListButton, XmNindicatorType, XmONE_OF_MANY, NULL);
 467     XtVaSetValues(win->playAutoPlayButton, XmNindicatorType, XmONE_OF_MANY, NULL);
 468
 469     // view menu
 470     createMenuItem(viewMenu, "viewFullscreen", "Fullscreen", 'F', "<Key>F", "F", ViewFullscreenCB, NULL);
 471     win->viewSidebarButton = createToggleMenuItem(viewMenu, "viewSidebar", "View Sidebar", 'S', False, NULL, NULL, ViewSidebarCB, win);
 472 }
 473
 474 void go_fullscreen(Display *dsp, Window win)
 475 {
 476   XEvent xev;
 477   Atom wm_state = XInternAtom(dsp, "_NET_WM_STATE", False);
 478   Atom fullscreen = XInternAtom(dsp, "_NET_WM_STATE_FULLSCREEN", False);
 479   memset(&xev, 0, sizeof(xev));
 480   xev.type = ClientMessage;
 481   xev.xclient.window = win;
 482   xev.xclient.message_type = wm_state;
 483   xev.xclient.format = 32;
 484   xev.xclient.data.l[0] = 1; // _NET_WM_STATE_ADD
 485   xev.xclient.data.l[1] = fullscreen;
 486   xev.xclient.data.l[2] = 0;
 487   XSendEvent(dsp, DefaultRootWindow(dsp), False,
 488     SubstructureNotifyMask, &xev);
 489 }
 490
 491 static Atom net_wm_state;
 492 static Atom net_wm_state_fullscreen;
 493 static int net_wm_atoms_initialized = 0;
 494
 495 void WindowFullscreen(MainWindow *win, bool enableFullscreen) {
 496     Display *dpy = XtDisplay(win->window);
 497
 498     // init net_wm_state atoms
 499     if(!net_wm_atoms_initialized) {
 500         net_wm_state = XInternAtom(dpy, "_NET_WM_STATE", False);
 501         net_wm_state_fullscreen = XInternAtom(dpy, "_NET_WM_STATE_FULLSCREEN", False);
 502         net_wm_atoms_initialized = 1;
 503     }
 504
 505     WindowMenubarSetVisible(win, !enableFullscreen);
 506     if(enableFullscreen && !win->fullscreen) {
 507         XtUnmanageChild(main_window->menubar);
 508         main_window->fullscreen = TRUE;
 509     } else if(!enableFullscreen && win->fullscreen) {
 510         XtManageChild(main_window->menubar);
 511         main_window->fullscreen = FALSE;
 512     }
 513
 514     XEvent ev;
 515     memset(&ev, 0, sizeof(XEvent));
 516     ev.type = ClientMessage;
 517     ev.xclient.window = XtWindow(win->window);
 518     ev.xclient.message_type = net_wm_state;
 519     ev.xclient.format = 32;
 520     ev.xclient.data.l[0] = enableFullscreen ? 1 : 0;
 521     ev.xclient.data.l[1] = net_wm_state_fullscreen;
 522     ev.xclient.data.l[2] = 0;
 523     XSendEvent(dpy, DefaultRootWindow(dpy), False, SubstructureNotifyMask | SubstructureRedirectMask, &ev);
 524 }
 525
 526 void WindowMenubarSetVisible(MainWindow *win, bool visible) {
 527     if(visible) {
 528         XtManageChild(main_window->menubar);
 529         XtVaSetValues(main_window->player_widget, XmNtopAttachment, XmATTACH_WIDGET, XmNtopWidget, main_window->menubar, NULL);
 530     } else {
 531         XtUnmanageChild(main_window->menubar);
 532         XtVaSetValues(main_window->player_widget, XmNtopAttachment, XmATTACH_FORM, NULL);
 533     }
 534 }
 535
 536 void WindowSetFile(MainWindow *win, char *file) {
 537     if(win->file) {
 538         XtFree(win->file);
 539     }
 540     win->file = file;
 541 }
 542
 543 static void filedialog_end(
 544         Widget widget,
 545         MainWindow *data,
 546         XmFileSelectionBoxCallbackStruct *selection)
 547 {
 548     XtUnmanageChild(widget);
 549     XtDestroyWidget(widget);
 550 }
 551
 552 static void filedialog_select(
 553         Widget widget,
 554         MainWindow *data,
 555         XmFileSelectionBoxCallbackStruct *selection)
 556 {
 557     char *value = NULL;
 558     if(selection->value) {
 559         XmStringGetLtoR(selection->value, XmSTRING_DEFAULT_CHARSET, &value);
 560         if(value) {
 561             WindowSetFile(data, value);
 562             // no need to free the value, because it is stored in MainWindow
 563
 564             PlayerOpenFile(data);
 565         }
 566     }
 567     filedialog_end(widget, data, NULL);
 568 }
 569
 570
 571
 572
 573 static void FileOpenCB(Widget w, void *udata, void *cdata) {
 574     MainWindow *win = main_window;
 575
 576     Arg args[16];
 577     int n = 0;
 578
 579     XtSetArg(args[n], XnNshowViewMenu, 1); n++;
 580     Widget dialog = XnCreateFileSelectionDialog(win->window, "dialog", args, n);
 581     XtAddCallback(dialog, XmNokCallback, (XtCallbackProc)filedialog_select, win);
 582     XtAddCallback(dialog, XmNcancelCallback, (XtCallbackProc)filedialog_end, win);
 583
 584     Widget dirUp = XnFileSelectionBoxGetChild(dialog, XnFSB_DIR_UP_BUTTON);
 585     XtUnmanageChild(dirUp);
 586
 587     XtManageChild(dialog);
 588 }
 589
 590 static void FileQuitCB(Widget w, void *udata, void *cdata) {
 591     WindowClosePlayer(main_window);
 592     ApplicationExit();
 593 }
 594
 595 static void PlayRepeatCB(Widget w, void *udata, void *cdata) {
 596     MainWindow *win = udata;
 597     win->repeatTrack = XmToggleButtonGadgetGetState(w);
 598     win->repeatList = 0;
 599     win->autoplayFolder = 0;
 600     XtVaSetValues(win->playRepeatListButton, XmNset, 0, NULL);
 601     XtVaSetValues(win->playAutoPlayButton, XmNset, 0, NULL);
 602 }
 603
 604 static void PlayRepeatListCB(Widget w, void *udata, void *cdata) {
 605     MainWindow *win = udata;
 606     win->repeatList = XmToggleButtonGadgetGetState(w);
 607     win->repeatTrack = 0;
 608     win->autoplayFolder = 0;
 609     XtVaSetValues(win->playRepeatTrackButton, XmNset, 0, NULL);
 610     XtVaSetValues(win->playAutoPlayButton, XmNset, 0, NULL);
 611 }
 612
 613 static void PlayAutoPlayCB(Widget w, void *udata, void *cdata) {
 614     MainWindow *win = udata;
 615     win->autoplayFolder = XmToggleButtonGadgetGetState(w);
 616     win->repeatTrack = 0;
 617     win->repeatList = 0;
 618     XtVaSetValues(win->playRepeatTrackButton, XmNset, 0, NULL);
 619     XtVaSetValues(win->playRepeatListButton, XmNset, 0, NULL);
 620 }
 621
 622 static void ViewFullscreenCB(Widget w, void *udata, void *cdata) {
 623     if(main_window->fullscreen) {
 624         WindowFullscreen(main_window, FALSE);
 625     } else {
 626         WindowFullscreen(main_window, TRUE);
 627     }
 628 }
 629
 630 static void ViewSidebarCB(Widget w, void *udata, void *cdata) {
 631     MainWindow *win = udata;
 632     XmToggleButtonCallbackStruct *cb = cdata;
 633     if(cb->set) {
 634         WindowShowSidebar(win);
 635     } else {
 636         WindowHideSidebar(win);
 637     }
 638 }
 639
 640 void WindowAdjustAspectRatio(MainWindow *win) {
 641     if(!win->player) return;
 642     if(!win->player->isactive || win->player->width <= 0 || win->player->height <= 0) return;
 643
 644     // we have a running player width video
 645     // adjust window aspect ratio (the window aspect ratio is different from
 646     // the video, because of window decoration, menubar and other extra controls)
 647
 648     Dimension win_width, win_height;
 649     XtVaGetValues(win->window, XmNwidth, &win_width, XmNheight, &win_height, NULL);
 650     Dimension player_width, player_height;
 651     XtVaGetValues(win->player_widget, XmNwidth, &player_width, XmNheight, &player_height, NULL);
 652
 653     double r = (double)win->player->width / (double)win->player->height;
 654     double p_width = player_width;
 655     double p_height = p_width / r;
 656
 657     Dimension new_width = p_width + win_width - player_width;
 658     Dimension new_height = p_height + win_height - player_height;
 659
 660     XSizeHints hints;
 661     hints.flags = PAspect;
 662     hints.min_aspect.x = new_width;
 663     hints.min_aspect.y = new_height;
 664     hints.max_aspect.x = new_width;
 665     hints.max_aspect.y = new_height;
 666     XSetWMNormalHints(XtDisplay(win->window), XtWindow(win->window), &hints);
 667 }
 668
 669 void WindowClosePlayer(MainWindow *win) {
 670     if(win->player) {
 671         PlayerDestroy(win->player);
 672     }
 673     win->player = NULL;
 674     WindowShowPlayerCursor(win);
 675 }
 676
 677 void WindowHidePlayerCursor(MainWindow *win) {
 678     if(!win->cursorhidden && win->player && win->player->window != 0) {
 679         XDefineCursor(XtDisplay(win->player_widget), XtWindow(win->player_widget), blank_cursor);
 680         win->cursorhidden = True;
 681         XFlush(XtDisplay(win->player_widget));
 682     }
 683 }
 684
 685 void WindowShowPlayerCursor(MainWindow *win) {
 686     if(win->cursorhidden && win->player && win->player->window != 0) {
 687         XDefineCursor(XtDisplay(win->player_widget), XtWindow(win->player_widget), None);
 688         XFlush(XtDisplay(win->player_widget));
 689     }
 690     win->cursorhidden = False;
 691 }
 692
 693 void WindowHideSidebar(MainWindow *win) {
 694     XtUnmanageChild(win->sidebar);
 695     XtVaSetValues(win->player_widget, XmNrightAttachment, XmATTACH_FORM, NULL);
 696 }
 697
 698 void WindowShowSidebar(MainWindow *win) {
 699     XtManageChild(win->sidebar);
 700     XtVaSetValues(win->player_widget, XmNrightAttachment, XmATTACH_WIDGET, XmNrightWidget, win->sidebar, NULL);
 701 }
 702