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 #include "playlist.h"
  31 #include "xdnd.h"
  32
  33 #include "Fsb.h"
  34 #include "Sidebar.h"
  35
  36 static MainWindow *main_window;
  37
  38 static void WindowCreateMenu(MainWindow *win, Widget parent, Arg *args, int nargs);
  39
  40 static void FileOpenCB(Widget w, void *udata, void *cdata);
  41 static void FileQuitCB(Widget w, void *udata, void *cdata);
  42 static void PlayRepeatCB(Widget w, void *udata, void *cdata);
  43 static void PlayRepeatListCB(Widget w, void *udata, void *cdata);
  44 static void PlayAutoPlayCB(Widget w, void *udata, void *cdata);
  45 static void ViewFullscreenCB(Widget w, void *udata, void *cdata);
  46 static void ViewSidebarCB(Widget w, void *udata, void *cdata);
  47
  48 static void WindowRealized(MainWindow *win);
  49
  50 static int blank_cursor_init = 0;
  51 static Pixmap blank_cursor_pixmap;
  52 static Cursor blank_cursor;
  53
  54 static void init_blank_cursor(Widget w) {
  55     char data = 0;
  56
  57     XColor c;
  58
  59     blank_cursor_pixmap = XCreateBitmapFromData(XtDisplay(w), XtWindow(w), &data, 1, 1);
  60     if(!blank_cursor_pixmap) return;
  61
  62     blank_cursor = XCreatePixmapCursor(XtDisplay(w), blank_cursor_pixmap, blank_cursor_pixmap, &c, &c, 0, 0);
  63
  64     XFreePixmap(XtDisplay(w), blank_cursor_pixmap);
  65     blank_cursor_init = 1;
  66 }
  67
  68 static void window_close_handler(Widget window, void *udata, void *cdata) {
  69     FileQuitCB(window, NULL, NULL);
  70 }
  71
  72 static unsigned int keycodeF;
  73
  74 static void windowKeyEH(Widget widget, XtPointer data, XEvent *event, Boolean *dispatch) {
  75     MainWindow *win = data;
  76     if(win->fullscreen && event->xkey.keycode == keycodeF) {
  77         WindowFullscreen(main_window, FALSE);
  78         *dispatch = FALSE;
  79     }
  80 }
  81
  82 static int main_window_is_realized = 0;
  83
  84 static void resizeEH(Widget widget, XtPointer data, XEvent *event, Boolean *dispatch) {
  85     if(!main_window_is_realized) {
  86         if(XtIsRealized(widget)) {
  87             main_window_is_realized = 1;
  88             WindowRealized(data);
  89         }
  90     }
  91     WindowAdjustAspectRatio(data);
  92 }
  93
  94 static void WindowRealized(MainWindow *win) {
  95     char *open_file = GetOpenFileArg();
  96     if(open_file) {
  97         PlayListAddFile(win, open_file);
  98         PlayListPlayNext(win, true);
  99         CleanOpenFileArg();
 100     }
 101
 102     if(!blank_cursor_init) {
 103         init_blank_cursor(win->player_widget);
 104     }
 105
 106     XdndEnable(win->window);
 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
 252
 253 MainWindow* WindowCreate(Display *display) {
 254     Arg args[32];
 255     int n;
 256
 257     MainWindow *window = malloc(sizeof(MainWindow));
 258     memset(window, 0, sizeof(MainWindow));
 259     main_window = window;
 260
 261     // toplevel window
 262     n = 0;
 263     XtSetArg(args[n], XmNtitle, APP_NAME); n++;
 264     window->window = XtAppCreateShell(
 265             APP_NAME,
 266             APP_CLASS,
 267             applicationShellWidgetClass,
 268             //vendorShellWidgetClass,
 269             display,
 270             args,
 271             n);
 272
 273     // close handler
 274     Atom wm_delete_window;
 275     wm_delete_window = XmInternAtom(
 276             display,
 277             "WM_DELETE_WINDOW",
 278             0);
 279     XmAddWMProtocolCallback(
 280             window->window,
 281             wm_delete_window,
 282             window_close_handler,
 283             window);
 284
 285     // resize handler
 286     XtAddEventHandler(window->window, StructureNotifyMask, False, resizeEH, window);
 287
 288     n = 0;
 289     XtSetArg(args[n], XmNwidth, 360); n++;
 290     XtSetArg(args[n], XmNheight, 220); n++;
 291     XtSetArg(args[n], XmNshadowThickness, 0); n++;
 292     Widget container = XmCreateForm(window->window, "form", args, n);
 293     XtManageChild(container);
 294     XtAddEventHandler(container, KeyPressMask, FALSE, windowKeyEH, window);
 295
 296     n = 0;
 297     XtSetArg(args[n], XmNleftAttachment, XmATTACH_FORM); n++;
 298     XtSetArg(args[n], XmNrightAttachment, XmATTACH_FORM); n++;
 299     XtSetArg(args[n], XmNtopAttachment, XmATTACH_FORM); n++;
 300     WindowCreateMenu(window, container, args, n);
 301
 302     n = 0;
 303     XtSetArg(args[n], XmNrightAttachment, XmATTACH_FORM); n++;
 304     XtSetArg(args[n], XmNbottomAttachment, XmATTACH_FORM); n++;
 305     XtSetArg(args[n], XmNtopAttachment, XmATTACH_WIDGET); n++;
 306     XtSetArg(args[n], XmNtopWidget, window->menubar); n++;
 307     XtSetArg(args[n], XmNwidth, 300); n++;
 308     window->sidebar = CreateSidebar(container, "sidebar", args, n);
 309     //XtManageChild(window->sidebar);
 310
 311     n = 0;
 312     XtSetArg(args[n], XmNleftAttachment, XmATTACH_FORM); n++;
 313     XtSetArg(args[n], XmNrightAttachment, XmATTACH_FORM); n++;
 314     XtSetArg(args[n], XmNrightWidget, window->sidebar); n++;
 315     XtSetArg(args[n], XmNbottomAttachment, XmATTACH_FORM); n++;
 316     XtSetArg(args[n], XmNtopAttachment, XmATTACH_WIDGET); n++;
 317     XtSetArg(args[n], XmNtopWidget, window->menubar); n++;
 318     XtSetArg(args[n], XmNbackground, BlackPixelOfScreen(XtScreen(window->window))); n++;
 319     window->player_widget = XmCreateDrawingArea(container, "player", args, n);
 320     XtManageChild(window->player_widget);
 321     XtAddCallback(window->player_widget, XmNinputCallback, playerWidgetInputCB, window);
 322     XmProcessTraversal(window->player_widget, XmTRAVERSE_CURRENT);
 323     XtAddEventHandler(window->player_widget, PointerMotionMask | ButtonPressMask | ButtonReleaseMask | FocusChangeMask |
 324                  EnterWindowMask | KeyPressMask | KeyReleaseMask |
 325                   LeaveWindowMask, FALSE, playerEH, window);
 326
 327
 328     // get F keycode
 329     keycodeF = XKeysymToKeycode(XtDisplay(window->window), XStringToKeysym("F"));
 330
 331
 332     PlayListInit(window);
 333
 334     return window;
 335 }
 336
 337 MainWindow* GetMainWindow(void) {
 338     return main_window;
 339 }
 340
 341 void WindowShow(MainWindow *win) {
 342     XtRealizeWidget(win->window);
 343 }
 344
 345 /*
 346  * Creates a XmPushButton menu item
 347  */
 348 static Widget createMenuItem(
 349         Widget menu,
 350         char *name,
 351         char *label,
 352         char mnemonic,
 353         const char *accelerator,
 354         char *accelerator_text,
 355         XtCallbackProc callback,
 356         void *cbData)
 357 {
 358     Arg args[16];
 359     int n = 0;
 360
 361     XmString s1 = XmStringCreateSimple(label);
 362     XtSetArg(args[n], XmNlabelString, s1); n++;
 363     XtSetArg(args[n], XmNmnemonic, mnemonic); n++;
 364     XmString at = NULL;
 365     if(accelerator && accelerator_text) {
 366         at = XmStringCreateSimple(accelerator_text);
 367         XtSetArg(args[n], XmNaccelerator, accelerator); n++;
 368         XtSetArg(args[n], XmNacceleratorText, at); n++;
 369     }
 370
 371     Widget menuItem = XmCreatePushButtonGadget(menu, name, args, n);
 372     XtManageChild(menuItem);
 373     XmStringFree(s1);
 374     if(at) XmStringFree(at);
 375
 376     if(callback) {
 377         XtAddCallback(menuItem, XmNactivateCallback, (XtCallbackProc)callback, cbData);
 378     }
 379
 380     return menuItem;
 381 }
 382
 383 /*
 384  * Creates a XmToggleButton menu item
 385  */
 386 static Widget createToggleMenuItem(
 387         Widget menu,
 388         char *name,
 389         char *label,
 390         char mnemonic,
 391         Boolean defaultValue,
 392         const char *accelerator,
 393         char *accelerator_text,
 394         XtCallbackProc callback,
 395         void *cbData)
 396 {
 397     Arg args[16];
 398     int n = 0;
 399
 400     XmString s1 = XmStringCreateSimple(label);
 401     XtSetArg(args[n], XmNlabelString, s1); n++;
 402     XtSetArg(args[n], XmNmnemonic, mnemonic); n++;
 403     XtSetArg(args[n], XmNset, defaultValue); n++;
 404     XmString at = NULL;
 405     if(accelerator && accelerator_text) {
 406         at = XmStringCreateSimple(accelerator_text);
 407         XtSetArg(args[n], XmNaccelerator, accelerator); n++;
 408         XtSetArg(args[n], XmNacceleratorText, at); n++;
 409     }
 410
 411     Widget menuItem = XmCreateToggleButtonGadget(menu, name, args, n);
 412     XtManageChild(menuItem);
 413     XmStringFree(s1);
 414     if(at) XmStringFree(at);
 415
 416     if(callback) {
 417         XtAddCallback(menuItem, XmNvalueChangedCallback, (XtCallbackProc)callback, cbData);
 418     }
 419
 420     return menuItem;
 421 }
 422
 423 static void WindowCreateMenu(MainWindow *win, Widget parent, Arg *mbargs, int nmbargs) {
 424     Widget menubar = XmCreateMenuBar(parent, "menubar", mbargs, nmbargs);
 425     XtManageChild(menubar);
 426     win->menubar = menubar;
 427
 428     Arg args[16];
 429     int n;
 430
 431     // menus
 432     XmString s = XmStringCreateSimple("File");
 433     XtVaCreateManagedWidget(
 434             "menuitem",
 435             xmCascadeButtonWidgetClass,
 436             menubar,
 437             XmNlabelString, s,
 438             NULL);
 439     XmStringFree(s);
 440     Widget fileMenu = XmVaCreateSimplePulldownMenu(menubar, "menu", 0, NULL, NULL);
 441
 442     s = XmStringCreateSimple("Playback");
 443     XtVaCreateManagedWidget(
 444             "menuitem",
 445             xmCascadeButtonWidgetClass,
 446             menubar,
 447             XmNlabelString, s,
 448             NULL);
 449     XmStringFree(s);
 450     Widget playMenu = XmVaCreateSimplePulldownMenu(menubar, "menu", 1, NULL, NULL);
 451
 452     s = XmStringCreateSimple("View");
 453     Widget viewMenuItem = XtVaCreateManagedWidget(
 454             "menuitem",
 455             xmCascadeButtonWidgetClass,
 456             menubar,
 457             XmNlabelString, s,
 458             NULL);
 459     XmStringFree(s);
 460     Widget viewMenu = XmVaCreateSimplePulldownMenu(menubar, "menu", 2, NULL, NULL);
 461
 462     // file menu
 463     createMenuItem(fileMenu, "fileOpen", "Open...", 'O', "Ctrl<Key>O", "Ctrl+O", FileOpenCB, NULL);
 464     createMenuItem(fileMenu, "fileQuit", "Exit", 'E', "Ctrl<Key>Q", "Ctrl+Q", FileQuitCB, NULL);
 465
 466     // play menu
 467     win->playRepeatTrackButton = createToggleMenuItem(playMenu, "playRepeatTrack", "Repeat", 'R', False, NULL, NULL, PlayRepeatCB, win);
 468     win->playRepeatListButton = createToggleMenuItem(playMenu, "playRepeatList", "Repeat List", 'L', False, NULL, NULL, PlayRepeatListCB, win);
 469     win->playAutoPlayButton = createToggleMenuItem(playMenu, "playAutoNext", "Autoplay Folder", 'A', False, NULL, NULL, PlayAutoPlayCB, win);
 470     XtVaSetValues(win->playRepeatTrackButton, XmNindicatorType, XmONE_OF_MANY, NULL);
 471     XtVaSetValues(win->playRepeatListButton, XmNindicatorType, XmONE_OF_MANY, NULL);
 472     XtVaSetValues(win->playAutoPlayButton, XmNindicatorType, XmONE_OF_MANY, NULL);
 473
 474     // view menu
 475     createMenuItem(viewMenu, "viewFullscreen", "Fullscreen", 'F', "<Key>F", "F", ViewFullscreenCB, NULL);
 476     win->viewSidebarButton = createToggleMenuItem(viewMenu, "viewSidebar", "View Sidebar", 'S', False, NULL, NULL, ViewSidebarCB, win);
 477 }
 478
 479 void go_fullscreen(Display *dsp, Window win)
 480 {
 481   XEvent xev;
 482   Atom wm_state = XInternAtom(dsp, "_NET_WM_STATE", False);
 483   Atom fullscreen = XInternAtom(dsp, "_NET_WM_STATE_FULLSCREEN", False);
 484   memset(&xev, 0, sizeof(xev));
 485   xev.type = ClientMessage;
 486   xev.xclient.window = win;
 487   xev.xclient.message_type = wm_state;
 488   xev.xclient.format = 32;
 489   xev.xclient.data.l[0] = 1; // _NET_WM_STATE_ADD
 490   xev.xclient.data.l[1] = fullscreen;
 491   xev.xclient.data.l[2] = 0;
 492   XSendEvent(dsp, DefaultRootWindow(dsp), False,
 493     SubstructureNotifyMask, &xev);
 494 }
 495
 496 static Atom net_wm_state;
 497 static Atom net_wm_state_fullscreen;
 498 static int net_wm_atoms_initialized = 0;
 499
 500 void WindowFullscreen(MainWindow *win, bool enableFullscreen) {
 501     Display *dpy = XtDisplay(win->window);
 502
 503     // init net_wm_state atoms
 504     if(!net_wm_atoms_initialized) {
 505         net_wm_state = XInternAtom(dpy, "_NET_WM_STATE", False);
 506         net_wm_state_fullscreen = XInternAtom(dpy, "_NET_WM_STATE_FULLSCREEN", False);
 507         net_wm_atoms_initialized = 1;
 508     }
 509
 510     WindowMenubarSetVisible(win, !enableFullscreen);
 511     if(enableFullscreen && !win->fullscreen) {
 512         XtUnmanageChild(main_window->menubar);
 513         main_window->fullscreen = TRUE;
 514     } else if(!enableFullscreen && win->fullscreen) {
 515         XtManageChild(main_window->menubar);
 516         main_window->fullscreen = FALSE;
 517     }
 518
 519     XEvent ev;
 520     memset(&ev, 0, sizeof(XEvent));
 521     ev.type = ClientMessage;
 522     ev.xclient.window = XtWindow(win->window);
 523     ev.xclient.message_type = net_wm_state;
 524     ev.xclient.format = 32;
 525     ev.xclient.data.l[0] = enableFullscreen ? 1 : 0;
 526     ev.xclient.data.l[1] = net_wm_state_fullscreen;
 527     ev.xclient.data.l[2] = 0;
 528     XSendEvent(dpy, DefaultRootWindow(dpy), False, SubstructureNotifyMask | SubstructureRedirectMask, &ev);
 529 }
 530
 531 void WindowMenubarSetVisible(MainWindow *win, bool visible) {
 532     if(visible) {
 533         XtManageChild(main_window->menubar);
 534         XtVaSetValues(main_window->player_widget, XmNtopAttachment, XmATTACH_WIDGET, XmNtopWidget, main_window->menubar, NULL);
 535     } else {
 536         XtUnmanageChild(main_window->menubar);
 537         XtVaSetValues(main_window->player_widget, XmNtopAttachment, XmATTACH_FORM, NULL);
 538     }
 539 }
 540
 541 static void filedialog_end(
 542         Widget widget,
 543         MainWindow *data,
 544         XmFileSelectionBoxCallbackStruct *selection)
 545 {
 546     XtUnmanageChild(widget);
 547     XtDestroyWidget(widget);
 548 }
 549
 550 static void filedialog_select(
 551         Widget widget,
 552         MainWindow *data,
 553         XmFileSelectionBoxCallbackStruct *selection)
 554 {
 555     char *value = NULL;
 556     if(selection->value) {
 557         XmStringGetLtoR(selection->value, XmSTRING_DEFAULT_CHARSET, &value);
 558         if(value) {
 559             PlayListAddFile(data, value);
 560             PlayListPlayNext(data, true);
 561             XtFree(value);
 562         }
 563     }
 564     filedialog_end(widget, data, NULL);
 565 }
 566
 567
 568
 569
 570 static void FileOpenCB(Widget w, void *udata, void *cdata) {
 571     MainWindow *win = main_window;
 572
 573     Arg args[16];
 574     int n = 0;
 575
 576     XtSetArg(args[n], XnNshowViewMenu, 1); n++;
 577     Widget dialog = XnCreateFileSelectionDialog(win->window, "dialog", args, n);
 578     XtAddCallback(dialog, XmNokCallback, (XtCallbackProc)filedialog_select, win);
 579     XtAddCallback(dialog, XmNcancelCallback, (XtCallbackProc)filedialog_end, win);
 580
 581     Widget dirUp = XnFileSelectionBoxGetChild(dialog, XnFSB_DIR_UP_BUTTON);
 582     XtUnmanageChild(dirUp);
 583
 584     XtManageChild(dialog);
 585 }
 586
 587 static void FileQuitCB(Widget w, void *udata, void *cdata) {
 588     WindowClosePlayer(main_window);
 589     ApplicationExit();
 590 }
 591
 592 static void PlayRepeatCB(Widget w, void *udata, void *cdata) {
 593     MainWindow *win = udata;
 594     win->playlist.repeatTrack = XmToggleButtonGadgetGetState(w);
 595     win->playlist.repeatList = 0;
 596     win->playlist.autoplayFolder = 0;
 597     XtVaSetValues(win->playRepeatListButton, XmNset, 0, NULL);
 598     XtVaSetValues(win->playAutoPlayButton, XmNset, 0, NULL);
 599 }
 600
 601 static void PlayRepeatListCB(Widget w, void *udata, void *cdata) {
 602     MainWindow *win = udata;
 603     win->playlist.repeatList = XmToggleButtonGadgetGetState(w);
 604     win->playlist.repeatTrack = 0;
 605     win->playlist.autoplayFolder = 0;
 606     XtVaSetValues(win->playRepeatTrackButton, XmNset, 0, NULL);
 607     XtVaSetValues(win->playAutoPlayButton, XmNset, 0, NULL);
 608 }
 609
 610 static void PlayAutoPlayCB(Widget w, void *udata, void *cdata) {
 611     MainWindow *win = udata;
 612     win->playlist.autoplayFolder = XmToggleButtonGadgetGetState(w);
 613     win->playlist.repeatTrack = 0;
 614     win->playlist.repeatList = 0;
 615     XtVaSetValues(win->playRepeatTrackButton, XmNset, 0, NULL);
 616     XtVaSetValues(win->playRepeatListButton, XmNset, 0, NULL);
 617 }
 618
 619 static void ViewFullscreenCB(Widget w, void *udata, void *cdata) {
 620     if(main_window->fullscreen) {
 621         WindowFullscreen(main_window, FALSE);
 622     } else {
 623         WindowFullscreen(main_window, TRUE);
 624     }
 625 }
 626
 627 static void ViewSidebarCB(Widget w, void *udata, void *cdata) {
 628     MainWindow *win = udata;
 629     XmToggleButtonCallbackStruct *cb = cdata;
 630     if(cb->set) {
 631         WindowShowSidebar(win);
 632     } else {
 633         WindowHideSidebar(win);
 634     }
 635 }
 636
 637 void WindowAdjustAspectRatio(MainWindow *win) {
 638     if(!win->player) return;
 639     if(!win->player->isactive || win->player->width <= 0 || win->player->height <= 0) return;
 640
 641     // we have a running player width video
 642     // adjust window aspect ratio (the window aspect ratio is different from
 643     // the video, because of window decoration, menubar and other extra controls)
 644
 645     Dimension win_width, win_height;
 646     XtVaGetValues(win->window, XmNwidth, &win_width, XmNheight, &win_height, NULL);
 647     Dimension player_width, player_height;
 648     XtVaGetValues(win->player_widget, XmNwidth, &player_width, XmNheight, &player_height, NULL);
 649
 650     double r = (double)win->player->width / (double)win->player->height;
 651     double p_width = player_width;
 652     double p_height = p_width / r;
 653
 654     Dimension new_width = p_width + win_width - player_width;
 655     Dimension new_height = p_height + win_height - player_height;
 656
 657     XSizeHints hints;
 658     hints.flags = PAspect;
 659     hints.min_aspect.x = new_width;
 660     hints.min_aspect.y = new_height;
 661     hints.max_aspect.x = new_width;
 662     hints.max_aspect.y = new_height;
 663     XSetWMNormalHints(XtDisplay(win->window), XtWindow(win->window), &hints);
 664 }
 665
 666 void WindowClosePlayer(MainWindow *win) {
 667     if(win->player) {
 668         PlayerDestroy(win->player);
 669     }
 670     win->player = NULL;
 671     WindowShowPlayerCursor(win);
 672 }
 673
 674 void WindowHidePlayerCursor(MainWindow *win) {
 675     if(!win->cursorhidden && win->player && win->player->window != 0) {
 676         XDefineCursor(XtDisplay(win->player_widget), XtWindow(win->player_widget), blank_cursor);
 677         win->cursorhidden = True;
 678         XFlush(XtDisplay(win->player_widget));
 679     }
 680 }
 681
 682 void WindowShowPlayerCursor(MainWindow *win) {
 683     if(win->cursorhidden && win->player && win->player->window != 0) {
 684         XDefineCursor(XtDisplay(win->player_widget), XtWindow(win->player_widget), None);
 685         XFlush(XtDisplay(win->player_widget));
 686     }
 687     win->cursorhidden = False;
 688 }
 689
 690 void WindowHideSidebar(MainWindow *win) {
 691     XtUnmanageChild(win->sidebar);
 692     XtVaSetValues(win->player_widget, XmNrightAttachment, XmATTACH_FORM, NULL);
 693 }
 694
 695 void WindowShowSidebar(MainWindow *win) {
 696     XtManageChild(win->sidebar);
 697     XtVaSetValues(win->player_widget, XmNrightAttachment, XmATTACH_WIDGET, XmNrightWidget, win->sidebar, NULL);
 698 }
 699
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