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 PlayRandomCB(Widget w, void *udata, void *cdata);
  46 static void ViewFullscreenCB(Widget w, void *udata, void *cdata);
  47 static void ViewSidebarCB(Widget w, void *udata, void *cdata);
  48 static void ViewAdjustWindowSizeCB(Widget w, void *udata, void *cdata);
  49
  50 static void WindowRealized(MainWindow *win);
  51
  52 static int blank_cursor_init = 0;
  53 static Pixmap blank_cursor_pixmap;
  54 static Cursor blank_cursor;
  55
  56 static void init_blank_cursor(Widget w) {
  57     char data = 0;
  58
  59     XColor c;
  60
  61     blank_cursor_pixmap = XCreateBitmapFromData(XtDisplay(w), XtWindow(w), &data, 1, 1);
  62     if(!blank_cursor_pixmap) return;
  63
  64     blank_cursor = XCreatePixmapCursor(XtDisplay(w), blank_cursor_pixmap, blank_cursor_pixmap, &c, &c, 0, 0);
  65
  66     XFreePixmap(XtDisplay(w), blank_cursor_pixmap);
  67     blank_cursor_init = 1;
  68 }
  69
  70 static void window_close_handler(Widget window, void *udata, void *cdata) {
  71     FileQuitCB(window, NULL, NULL);
  72 }
  73
  74 static unsigned int keycodeF;
  75
  76 static void windowKeyEH(Widget widget, XtPointer data, XEvent *event, Boolean *dispatch) {
  77     MainWindow *win = data;
  78     if(win->fullscreen && event->xkey.keycode == keycodeF) {
  79         WindowFullscreen(main_window, FALSE);
  80         *dispatch = FALSE;
  81     }
  82 }
  83
  84 static int main_window_is_realized = 0;
  85
  86 static void resizeEH(Widget widget, XtPointer data, XEvent *event, Boolean *dispatch) {
  87     if(!main_window_is_realized) {
  88         if(XtIsRealized(widget)) {
  89             main_window_is_realized = 1;
  90             WindowRealized(data);
  91         }
  92     }
  93     WindowAdjustAspectRatio(data);
  94 }
  95
  96 static void WindowRealized(MainWindow *win) {
  97     char *open_file = GetOpenFileArg();
  98     if(open_file) {
  99         PlayListAddFile(win, open_file);
 100         PlayListPlayNext(win, true);
 101         CleanOpenFileArg();
 102     }
 103
 104     if(!blank_cursor_init) {
 105         init_blank_cursor(win->player_widget);
 106     }
 107
 108     XdndEnable(win->window);
 109 }
 110
 111 static void playerWidgetInputCB(Widget widget, XtPointer u, XtPointer c) {
 112     MainWindow *win = u;
 113     XmDrawingAreaCallbackStruct *cb = c;
 114
 115     if(win->player && win->player->isactive) {
 116         PlayerHandleInput(win, win->player, cb);
 117     }
 118 }
 119
 120 static void windowGrabButton(MainWindow *win) {
 121     //printf("grab\n");
 122     XtGrabButton(
 123                 win->player_widget,
 124                 AnyButton,
 125                 AnyModifier,
 126                 True,
 127                 ButtonPressMask | ButtonReleaseMask | PointerMotionMask | FocusChangeMask | EnterWindowMask | LeaveWindowMask,
 128                 GrabModeAsync,
 129                 GrabModeAsync,
 130                 None,
 131                 None);
 132     win->buttongrab = True;
 133 }
 134
 135 static void playerEH(Widget widget, XtPointer data, XEvent *event, Boolean *dispatch) {
 136     MainWindow *win = data;
 137     int etype = event->type;
 138
 139     ///*
 140     if(etype == EnterNotify) {
 141         //printf("enter\n");
 142         windowGrabButton(win);
 143         return;
 144     }
 145     if(etype == LeaveNotify) {
 146         //printf("leave\n");
 147         //XtUngrabButton(win->player_widget, AnyButton, AnyModifier);
 148         //win->buttongrab = False;
 149         return;
 150     }
 151
 152     int pass = 0;
 153     if(etype == ButtonPress || etype == ButtonRelease || etype == KeyPress || etype == KeyRelease) {
 154         //printf("button press\n");
 155         pass = 1;
 156     }
 157
 158     if(!win->player || win->player->window == 0) return;
 159
 160     WindowHandlePlayerEvent(win, event);
 161
 162     if(pass) {
 163         // redirect key events to the player window
 164         //printf("redirect\n");
 165         event->xkey.window = win->player->window;
 166         XSendEvent(
 167                 XtDisplay(win->player_widget),
 168                 win->player->window,
 169                 True,
 170                 0,
 171                 event);
 172     }
 173 }
 174
 175 #define IGNORE_MOTION_THRESHOLD_MS 1000
 176 #define MOTION_POS_THRESHOLD_PIX   5
 177 #define OSD_BOTTOM_THRESHOLD       0.09
 178
 179 #define DOUBLE_CLICK_TIME_MS       500
 180
 181 void WindowHandlePlayerEvent(MainWindow *win, XEvent *event) {
 182     // event handler for intercepted player mouse events
 183     // win->player is not NULL
 184
 185     int etype = event->type;
 186
 187     if(etype == MotionNotify) {
 188         Time cur_motion_time = event->xmotion.time;
 189         if(win->player) {
 190             win->motion_playback_time = win->player->playback_time;
 191         }
 192
 193         int x = event->xmotion.x_root;
 194         int y = event->xmotion.y_root;
 195         if(win->cursorhidden && cur_motion_time - win->player_event_time < IGNORE_MOTION_THRESHOLD_MS) {
 196             int diff_x = abs(x - win->mouse_x);
 197             int diff_y = abs(y - win->mouse_y);
 198             if(diff_x > MOTION_POS_THRESHOLD_PIX || diff_y > MOTION_POS_THRESHOLD_PIX) {
 199                 WindowShowPlayerCursor(win);
 200             }
 201         } else {
 202             win->mouse_x = x;
 203             win->mouse_y = y;
 204         }
 205         win->player_event_time = cur_motion_time;
 206         win->motion_playback_time = win->player->playback_time;
 207
 208
 209
 210         if(win->pwbuttonpressed) {
 211             Display *dp = XtDisplay(win->window);
 212
 213             XtUngrabPointer(win->player_widget, CurrentTime);
 214
 215             XEvent xev;
 216             memset(&xev, 0, sizeof(xev));
 217             xev.type = ClientMessage;
 218             xev.xclient.message_type = XInternAtom(dp, "_NET_WM_MOVERESIZE", False);
 219             xev.xclient.window = XtWindow(win->window);
 220             xev.xclient.format = 32;
 221             xev.xclient.data.l[0] = x;
 222             xev.xclient.data.l[1] = y;
 223             xev.xclient.data.l[2] = 8; // _NET_WM_MOVERESIZE_MOVE
 224             xev.xclient.data.l[3] = 1; // button1
 225             xev.xclient.data.l[4] = 1; // source indication
 226
 227             XSendEvent(dp, DefaultRootWindow(dp), False, SubstructureRedirectMask | SubstructureNotifyMask, &xev);
 228
 229             win->pwbuttonpressed = FALSE;
 230         }
 231     } else if(etype == ButtonPress) {
 232         Time t = event->xbutton.time;
 233
 234         int yi = win->player_widget->core.height - event->xbutton.y;
 235         if((float)yi/(float)win->player_widget->core.height < OSD_BOTTOM_THRESHOLD) {
 236             win->button_press_time = 0;
 237         } else {
 238             if(t - win->button_press_time < DOUBLE_CLICK_TIME_MS) {
 239                 // double click
 240                 WindowFullscreen(main_window, !win->fullscreen);
 241                 win->button_press_time = 0;
 242             } else {
 243                 win->button_press_time = t;
 244             }
 245             win->pwbuttonpressed = 1;
 246         }
 247     } else if(etype == ButtonRelease) {
 248         win->player_event_time = event->xbutton.time;
 249         win->pwbuttonpressed = FALSE;
 250     }
 251 }
 252
 253
 254
 255 MainWindow* WindowCreate(Display *display) {
 256     Arg args[32];
 257     int n;
 258
 259     MainWindow *window = malloc(sizeof(MainWindow));
 260     memset(window, 0, sizeof(MainWindow));
 261     main_window = window;
 262
 263     // toplevel window
 264     n = 0;
 265     XtSetArg(args[n], XmNtitle, APP_NAME); n++;
 266     window->window = XtAppCreateShell(
 267             APP_NAME,
 268             APP_CLASS,
 269             applicationShellWidgetClass,
 270             //vendorShellWidgetClass,
 271             display,
 272             args,
 273             n);
 274
 275     // close handler
 276     Atom wm_delete_window;
 277     wm_delete_window = XmInternAtom(
 278             display,
 279             "WM_DELETE_WINDOW",
 280             0);
 281     XmAddWMProtocolCallback(
 282             window->window,
 283             wm_delete_window,
 284             window_close_handler,
 285             window);
 286
 287     // resize handler
 288     XtAddEventHandler(window->window, StructureNotifyMask, False, resizeEH, window);
 289
 290     n = 0;
 291     XtSetArg(args[n], XmNwidth, 360); n++;
 292     XtSetArg(args[n], XmNheight, 220); n++;
 293     XtSetArg(args[n], XmNshadowThickness, 0); n++;
 294     Widget container = XmCreateForm(window->window, "form", args, n);
 295     XtManageChild(container);
 296     XtAddEventHandler(container, KeyPressMask, FALSE, windowKeyEH, window);
 297
 298     n = 0;
 299     XtSetArg(args[n], XmNleftAttachment, XmATTACH_FORM); n++;
 300     XtSetArg(args[n], XmNrightAttachment, XmATTACH_FORM); n++;
 301     XtSetArg(args[n], XmNtopAttachment, XmATTACH_FORM); n++;
 302     WindowCreateMenu(window, container, args, n);
 303
 304     n = 0;
 305     XtSetArg(args[n], XmNrightAttachment, XmATTACH_FORM); n++;
 306     XtSetArg(args[n], XmNbottomAttachment, XmATTACH_FORM); n++;
 307     XtSetArg(args[n], XmNtopAttachment, XmATTACH_WIDGET); n++;
 308     XtSetArg(args[n], XmNtopWidget, window->menubar); n++;
 309     XtSetArg(args[n], XmNwidth, 300); n++;
 310     XtSetArg(args[n], XmNscrollingPolicy, XmAUTOMATIC); n++;
 311     XtSetArg(args[n], XmNscrollBarDisplayPolicy, XmAS_NEEDED); n++;
 312     XtSetArg(args[n], XmNspacing, 0); n++;
 313     XtSetArg(args[n], XmNshadowThickness, 0); n++;
 314     window->sidebar_scrolledwindow = XmCreateScrolledWindow(container, "sw_sidebar", args, n);
 315     window->sidebar = CreateSidebar(window->sidebar_scrolledwindow, "sidebar", args, 0);
 316     SidebarSetWindow(window->sidebar, window);
 317     XtManageChild(window->sidebar);
 318     //XtManageChild(window->sidebar);
 319
 320     n = 0;
 321     XtSetArg(args[n], XmNleftAttachment, XmATTACH_FORM); n++;
 322     XtSetArg(args[n], XmNrightAttachment, XmATTACH_FORM); n++;
 323     XtSetArg(args[n], XmNrightWidget, window->sidebar); n++;
 324     XtSetArg(args[n], XmNbottomAttachment, XmATTACH_FORM); n++;
 325     XtSetArg(args[n], XmNtopAttachment, XmATTACH_WIDGET); n++;
 326     XtSetArg(args[n], XmNtopWidget, window->menubar); n++;
 327     XtSetArg(args[n], XmNbackground, BlackPixelOfScreen(XtScreen(window->window))); n++;
 328     window->player_widget = XmCreateDrawingArea(container, "player", args, n);
 329     XtManageChild(window->player_widget);
 330     XtAddCallback(window->player_widget, XmNinputCallback, playerWidgetInputCB, window);
 331     XmProcessTraversal(window->player_widget, XmTRAVERSE_CURRENT);
 332     XtAddEventHandler(window->player_widget, PointerMotionMask | ButtonPressMask | ButtonReleaseMask | FocusChangeMask |
 333                  EnterWindowMask | KeyPressMask | KeyReleaseMask |
 334                   LeaveWindowMask, FALSE, playerEH, window);
 335
 336
 337     // get F keycode
 338     keycodeF = XKeysymToKeycode(XtDisplay(window->window), XStringToKeysym("F"));
 339
 340
 341     PlayListInit(window);
 342
 343     window->adjustWindowSize = true; // auto adjust window size by default
 344
 345     return window;
 346 }
 347
 348 MainWindow* GetMainWindow(void) {
 349     return main_window;
 350 }
 351
 352 void WindowShow(MainWindow *win) {
 353     XtRealizeWidget(win->window);
 354 }
 355
 356 /*
 357  * Creates a XmPushButton menu item
 358  */
 359 static Widget createMenuItem(
 360         Widget menu,
 361         char *name,
 362         char *label,
 363         char mnemonic,
 364         const char *accelerator,
 365         char *accelerator_text,
 366         XtCallbackProc callback,
 367         void *cbData)
 368 {
 369     Arg args[16];
 370     int n = 0;
 371
 372     XmString s1 = XmStringCreateSimple(label);
 373     XtSetArg(args[n], XmNlabelString, s1); n++;
 374     XtSetArg(args[n], XmNmnemonic, mnemonic); n++;
 375     XmString at = NULL;
 376     if(accelerator && accelerator_text) {
 377         at = XmStringCreateSimple(accelerator_text);
 378         XtSetArg(args[n], XmNaccelerator, accelerator); n++;
 379         XtSetArg(args[n], XmNacceleratorText, at); n++;
 380     }
 381
 382     Widget menuItem = XmCreatePushButtonGadget(menu, name, args, n);
 383     XtManageChild(menuItem);
 384     XmStringFree(s1);
 385     if(at) XmStringFree(at);
 386
 387     if(callback) {
 388         XtAddCallback(menuItem, XmNactivateCallback, (XtCallbackProc)callback, cbData);
 389     }
 390
 391     return menuItem;
 392 }
 393
 394 /*
 395  * Creates a XmToggleButton menu item
 396  */
 397 static Widget createToggleMenuItem(
 398         Widget menu,
 399         char *name,
 400         char *label,
 401         char mnemonic,
 402         Boolean defaultValue,
 403         const char *accelerator,
 404         char *accelerator_text,
 405         XtCallbackProc callback,
 406         void *cbData)
 407 {
 408     Arg args[16];
 409     int n = 0;
 410
 411     XmString s1 = XmStringCreateSimple(label);
 412     XtSetArg(args[n], XmNlabelString, s1); n++;
 413     XtSetArg(args[n], XmNmnemonic, mnemonic); n++;
 414     XtSetArg(args[n], XmNset, defaultValue); n++;
 415     XmString at = NULL;
 416     if(accelerator && accelerator_text) {
 417         at = XmStringCreateSimple(accelerator_text);
 418         XtSetArg(args[n], XmNaccelerator, accelerator); n++;
 419         XtSetArg(args[n], XmNacceleratorText, at); n++;
 420     }
 421
 422     Widget menuItem = XmCreateToggleButtonGadget(menu, name, args, n);
 423     XtManageChild(menuItem);
 424     XmStringFree(s1);
 425     if(at) XmStringFree(at);
 426
 427     if(callback) {
 428         XtAddCallback(menuItem, XmNvalueChangedCallback, (XtCallbackProc)callback, cbData);
 429     }
 430
 431     return menuItem;
 432 }
 433
 434 /*
 435  * Creates a menu separator
 436  */
 437 static Widget createMenuSeparator(Widget menu) {
 438     Widget w = XmCreateSeparator(menu, "separator", NULL, 0);
 439     XtManageChild(w);
 440     return w;
 441 }
 442
 443 static void WindowCreateMenu(MainWindow *win, Widget parent, Arg *mbargs, int nmbargs) {
 444     Widget menubar = XmCreateMenuBar(parent, "menubar", mbargs, nmbargs);
 445     XtManageChild(menubar);
 446     win->menubar = menubar;
 447
 448     Arg args[16];
 449     int n;
 450
 451     // menus
 452     XmString s = XmStringCreateSimple("File");
 453     XtVaCreateManagedWidget(
 454             "menuitem",
 455             xmCascadeButtonWidgetClass,
 456             menubar,
 457             XmNlabelString, s,
 458             NULL);
 459     XmStringFree(s);
 460     Widget fileMenu = XmVaCreateSimplePulldownMenu(menubar, "menu", 0, NULL, NULL);
 461
 462     s = XmStringCreateSimple("Playback");
 463     XtVaCreateManagedWidget(
 464             "menuitem",
 465             xmCascadeButtonWidgetClass,
 466             menubar,
 467             XmNlabelString, s,
 468             NULL);
 469     XmStringFree(s);
 470     Widget playMenu = XmVaCreateSimplePulldownMenu(menubar, "menu", 1, NULL, NULL);
 471
 472     s = XmStringCreateSimple("View");
 473     Widget viewMenuItem = XtVaCreateManagedWidget(
 474             "menuitem",
 475             xmCascadeButtonWidgetClass,
 476             menubar,
 477             XmNlabelString, s,
 478             NULL);
 479     XmStringFree(s);
 480     Widget viewMenu = XmVaCreateSimplePulldownMenu(menubar, "menu", 2, NULL, NULL);
 481
 482     // file menu
 483     createMenuItem(fileMenu, "fileOpen", "Open...", 'O', "Ctrl<Key>O", "Ctrl+O", FileOpenCB, NULL);
 484     createMenuItem(fileMenu, "fileQuit", "Exit", 'E', "Ctrl<Key>Q", "Ctrl+Q", FileQuitCB, NULL);
 485
 486     // play menu
 487     win->playRepeatTrackButton = createToggleMenuItem(playMenu, "playRepeatTrack", "Repeat", 'R', False, NULL, NULL, PlayRepeatCB, win);
 488     win->playRepeatListButton = createToggleMenuItem(playMenu, "playRepeatList", "Repeat List", 'L', False, NULL, NULL, PlayRepeatListCB, win);
 489     win->playRandom = createToggleMenuItem(playMenu, "playRandom", "Random Playback", 'P', False, NULL, NULL, PlayRandomCB, win);
 490     win->playAutoPlayButton = createToggleMenuItem(playMenu, "playAutoNext", "Autoplay Folder", 'A', False, NULL, NULL, PlayAutoPlayCB, win);
 491     XtVaSetValues(win->playRepeatTrackButton, XmNindicatorType, XmONE_OF_MANY, NULL);
 492     XtVaSetValues(win->playRepeatListButton, XmNindicatorType, XmONE_OF_MANY, NULL);
 493     XtVaSetValues(win->playAutoPlayButton, XmNindicatorType, XmONE_OF_MANY, NULL);
 494     XtVaSetValues(win->playRandom, XmNindicatorType, XmONE_OF_MANY, NULL);
 495
 496
 497     // view menu
 498     createMenuItem(viewMenu, "viewFullscreen", "Fullscreen", 'F', "<Key>F", "F", ViewFullscreenCB, NULL);
 499     win->viewSidebarButton = createToggleMenuItem(viewMenu, "viewSidebar", "View Sidebar", 'S', False, NULL, NULL, ViewSidebarCB, win);
 500
 501     createMenuSeparator(viewMenu);
 502
 503     win->viewAdjustWindowSize = createToggleMenuItem(viewMenu, "viewAdjustWindowSize", "Adjust Window Size", 'W', TRUE, NULL, NULL, ViewAdjustWindowSizeCB, win);
 504 }
 505
 506 void go_fullscreen(Display *dsp, Window win)
 507 {
 508   XEvent xev;
 509   Atom wm_state = XInternAtom(dsp, "_NET_WM_STATE", False);
 510   Atom fullscreen = XInternAtom(dsp, "_NET_WM_STATE_FULLSCREEN", False);
 511   memset(&xev, 0, sizeof(xev));
 512   xev.type = ClientMessage;
 513   xev.xclient.window = win;
 514   xev.xclient.message_type = wm_state;
 515   xev.xclient.format = 32;
 516   xev.xclient.data.l[0] = 1; // _NET_WM_STATE_ADD
 517   xev.xclient.data.l[1] = fullscreen;
 518   xev.xclient.data.l[2] = 0;
 519   XSendEvent(dsp, DefaultRootWindow(dsp), False,
 520     SubstructureNotifyMask, &xev);
 521 }
 522
 523 static Atom net_wm_state;
 524 static Atom net_wm_state_fullscreen;
 525 static int net_wm_atoms_initialized = 0;
 526
 527 void WindowFullscreen(MainWindow *win, bool enableFullscreen) {
 528     Display *dpy = XtDisplay(win->window);
 529
 530     // init net_wm_state atoms
 531     if(!net_wm_atoms_initialized) {
 532         net_wm_state = XInternAtom(dpy, "_NET_WM_STATE", False);
 533         net_wm_state_fullscreen = XInternAtom(dpy, "_NET_WM_STATE_FULLSCREEN", False);
 534         net_wm_atoms_initialized = 1;
 535     }
 536
 537     WindowMenubarSetVisible(win, !enableFullscreen);
 538     if(enableFullscreen && !win->fullscreen) {
 539         XtUnmanageChild(main_window->menubar);
 540         main_window->fullscreen = TRUE;
 541     } else if(!enableFullscreen && win->fullscreen) {
 542         XtManageChild(main_window->menubar);
 543         main_window->fullscreen = FALSE;
 544     }
 545
 546     WindowShowSidebar(win, enableFullscreen ? false : win->sidebarvisible);
 547
 548     XEvent ev;
 549     memset(&ev, 0, sizeof(XEvent));
 550     ev.type = ClientMessage;
 551     ev.xclient.window = XtWindow(win->window);
 552     ev.xclient.message_type = net_wm_state;
 553     ev.xclient.format = 32;
 554     ev.xclient.data.l[0] = enableFullscreen ? 1 : 0;
 555     ev.xclient.data.l[1] = net_wm_state_fullscreen;
 556     ev.xclient.data.l[2] = 0;
 557     XSendEvent(dpy, DefaultRootWindow(dpy), False, SubstructureNotifyMask | SubstructureRedirectMask, &ev);
 558 }
 559
 560 void WindowMenubarSetVisible(MainWindow *win, bool visible) {
 561     if(visible) {
 562         XtManageChild(main_window->menubar);
 563         XtVaSetValues(main_window->player_widget, XmNtopAttachment, XmATTACH_WIDGET, XmNtopWidget, main_window->menubar, NULL);
 564     } else {
 565         XtUnmanageChild(main_window->menubar);
 566         XtVaSetValues(main_window->player_widget, XmNtopAttachment, XmATTACH_FORM, NULL);
 567     }
 568 }
 569
 570 static void filedialog_end(
 571         Widget widget,
 572         MainWindow *data,
 573         XmFileSelectionBoxCallbackStruct *selection)
 574 {
 575     XtUnmanageChild(widget);
 576     XtDestroyWidget(widget);
 577 }
 578
 579 static void filedialog_select(
 580         Widget widget,
 581         MainWindow *data,
 582         XmFileSelectionBoxCallbackStruct *selection)
 583 {
 584     char *value = NULL;
 585     if(selection->value) {
 586         XmStringGetLtoR(selection->value, XmSTRING_DEFAULT_CHARSET, &value);
 587         if(value) {
 588             PlayListAddFile(data, value);
 589             PlayListPlayNext(data, true);
 590             XtFree(value);
 591         }
 592     }
 593     filedialog_end(widget, data, NULL);
 594 }
 595
 596
 597
 598
 599 static void FileOpenCB(Widget w, void *udata, void *cdata) {
 600     MainWindow *win = main_window;
 601
 602     Arg args[16];
 603     int n = 0;
 604
 605     XtSetArg(args[n], XnNshowViewMenu, 1); n++;
 606     Widget dialog = XnCreateFileSelectionDialog(win->window, "dialog", args, n);
 607     XtAddCallback(dialog, XmNokCallback, (XtCallbackProc)filedialog_select, win);
 608     XtAddCallback(dialog, XmNcancelCallback, (XtCallbackProc)filedialog_end, win);
 609
 610     Widget dirUp = XnFileSelectionBoxGetChild(dialog, XnFSB_DIR_UP_BUTTON);
 611     XtUnmanageChild(dirUp);
 612
 613     XtManageChild(dialog);
 614 }
 615
 616 static void FileQuitCB(Widget w, void *udata, void *cdata) {
 617     WindowClosePlayer(main_window);
 618     ApplicationExit();
 619 }
 620
 621 static void PlayRepeatCB(Widget w, void *udata, void *cdata) {
 622     MainWindow *win = udata;
 623     win->playlist.repeatTrack = XmToggleButtonGadgetGetState(w);
 624     win->playlist.repeatList = 0;
 625     win->playlist.autoplayFolder = 0;
 626     win->playlist.random = 0;
 627     XtVaSetValues(win->playRepeatListButton, XmNset, 0, NULL);
 628     XtVaSetValues(win->playAutoPlayButton, XmNset, 0, NULL);
 629     XtVaSetValues(win->playRandom, XmNset, 0, NULL);
 630 }
 631
 632 static void PlayRepeatListCB(Widget w, void *udata, void *cdata) {
 633     MainWindow *win = udata;
 634     win->playlist.repeatList = XmToggleButtonGadgetGetState(w);
 635     win->playlist.repeatTrack = 0;
 636     win->playlist.autoplayFolder = 0;
 637     win->playlist.random = 0;
 638     XtVaSetValues(win->playRepeatTrackButton, XmNset, 0, NULL);
 639     XtVaSetValues(win->playAutoPlayButton, XmNset, 0, NULL);
 640     XtVaSetValues(win->playRandom, XmNset, 0, NULL);
 641 }
 642
 643 static void PlayAutoPlayCB(Widget w, void *udata, void *cdata) {
 644     MainWindow *win = udata;
 645     win->playlist.autoplayFolder = XmToggleButtonGadgetGetState(w);
 646     win->playlist.repeatTrack = 0;
 647     win->playlist.repeatList = 0;
 648     win->playlist.random = 0;
 649     XtVaSetValues(win->playRepeatTrackButton, XmNset, 0, NULL);
 650     XtVaSetValues(win->playRepeatListButton, XmNset, 0, NULL);
 651     XtVaSetValues(win->playRandom, XmNset, 0, NULL);
 652 }
 653
 654 static void PlayRandomCB(Widget w, void *udata, void *cdata) {
 655     MainWindow *win = udata;
 656     win->playlist.random = XmToggleButtonGadgetGetState(w);
 657     win->playlist.repeatTrack = 0;
 658     win->playlist.repeatList = 0;
 659     win->playlist.autoplayFolder = 0;
 660     XtVaSetValues(win->playRepeatTrackButton, XmNset, 0, NULL);
 661     XtVaSetValues(win->playRepeatListButton, XmNset, 0, NULL);
 662     XtVaSetValues(win->playAutoPlayButton, XmNset, 0, NULL);
 663 }
 664
 665 static void ViewFullscreenCB(Widget w, void *udata, void *cdata) {
 666     if(main_window->fullscreen) {
 667         WindowFullscreen(main_window, FALSE);
 668     } else {
 669         WindowFullscreen(main_window, TRUE);
 670     }
 671 }
 672
 673 static void ViewSidebarCB(Widget w, void *udata, void *cdata) {
 674     MainWindow *win = udata;
 675     XmToggleButtonCallbackStruct *cb = cdata;
 676     win->sidebarvisible = cb->set;
 677     WindowShowSidebar(win, cb->set);
 678 }
 679
 680 static void ViewAdjustWindowSizeCB(Widget w, void *udata, void *cdata) {
 681     MainWindow *win = udata;
 682     win->adjustWindowSize = XmToggleButtonGadgetGetState(w);
 683 }
 684
 685 void WindowAdjustAspectRatio(MainWindow *win) {
 686     if(!win->player) return;
 687     if(!win->player->isactive || win->player->width <= 0 || win->player->height <= 0) return;
 688
 689     // we have a running player width video
 690     // adjust window aspect ratio (the window aspect ratio is different from
 691     // the video, because of window decoration, menubar and other extra controls)
 692
 693     Dimension win_width, win_height;
 694     XtVaGetValues(win->window, XmNwidth, &win_width, XmNheight, &win_height, NULL);
 695     Dimension player_width, player_height;
 696     XtVaGetValues(win->player_widget, XmNwidth, &player_width, XmNheight, &player_height, NULL);
 697
 698     double r = (double)win->player->width / (double)win->player->height;
 699     double p_width = player_width;
 700     double p_height = p_width / r;
 701
 702     Dimension new_width = p_width + win_width - player_width;
 703     Dimension new_height = p_height + win_height - player_height;
 704
 705     XSizeHints hints;
 706     hints.flags = PAspect;
 707     hints.min_aspect.x = new_width;
 708     hints.min_aspect.y = new_height;
 709     hints.max_aspect.x = new_width;
 710     hints.max_aspect.y = new_height;
 711     XSetWMNormalHints(XtDisplay(win->window), XtWindow(win->window), &hints);
 712 }
 713
 714 void WindowClosePlayer(MainWindow *win) {
 715     if(win->player) {
 716         PlayerDestroy(win->player);
 717     }
 718     win->player = NULL;
 719     WindowShowPlayerCursor(win);
 720 }
 721
 722 void WindowHidePlayerCursor(MainWindow *win) {
 723     if(!win->cursorhidden && win->player && win->player->window != 0) {
 724         XDefineCursor(XtDisplay(win->player_widget), XtWindow(win->player_widget), blank_cursor);
 725         win->cursorhidden = True;
 726         XFlush(XtDisplay(win->player_widget));
 727     }
 728 }
 729
 730 void WindowShowPlayerCursor(MainWindow *win) {
 731     if(win->cursorhidden && win->player && win->player->window != 0) {
 732         XDefineCursor(XtDisplay(win->player_widget), XtWindow(win->player_widget), None);
 733         XFlush(XtDisplay(win->player_widget));
 734     }
 735     win->cursorhidden = False;
 736 }
 737
 738 void WindowShowSidebar(MainWindow *win, bool visible) {
 739     if(visible) {
 740         XtManageChild(win->sidebar_scrolledwindow);
 741         XtVaSetValues(win->player_widget, XmNrightAttachment, XmATTACH_WIDGET, XmNrightWidget, win->sidebar_scrolledwindow, NULL);
 742     } else {
 743         XtUnmanageChild(win->sidebar_scrolledwindow);
 744         XtVaSetValues(win->player_widget, XmNrightAttachment, XmATTACH_FORM, NULL);
 745     }
 746 }
 747
 748 void WindowUpdate(MainWindow *win) {
 749     SidebarRepaint(win->sidebar);
 750 }