src/apps/deskbar/BarWindow.cpp

   1 /*
   2 Open Tracker License
   3
   4 Terms and Conditions
   5
   6 Copyright (c) 1991-2000, Be Incorporated. All rights reserved.
   7
   8 Permission is hereby granted, free of charge, to any person obtaining a copy of
   9 this software and associated documentation files (the "Software"), to deal in
  10 the Software without restriction, including without limitation the rights to
  11 use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
  12 of the Software, and to permit persons to whom the Software is furnished to do
  13 so, subject to the following conditions:
  14
  15 The above copyright notice and this permission notice applies to all licensees
  16 and shall be included in all copies or substantial portions of the Software.
  17
  18 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  19 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF TITLE, MERCHANTABILITY,
  20 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
  21 BE INCORPORATED BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
  22 AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF, OR IN CONNECTION
  23 WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  24
  25 Except as contained in this notice, the name of Be Incorporated shall not be
  26 used in advertising or otherwise to promote the sale, use or other dealings in
  27 this Software without prior written authorization from Be Incorporated.
  28
  29 Tracker(TM), Be(R), BeOS(R), and BeIA(TM) are trademarks or registered
  30 trademarks of Be Incorporated in the United States and other countries. Other
  31 brand product names are registered trademarks or trademarks of their respective
  32 holders.
  33 All rights reserved.
  34 */
  35
  36
  37 #include "BarWindow.h"
  38
  39 #include <stdio.h>
  40
  41 #include <Application.h>
  42 #include <AutoDeleter.h>
  43 #include <Catalog.h>
  44 #include <Directory.h>
  45 #include <FindDirectory.h>
  46 #include <Path.h>
  47 #include <Debug.h>
  48 #include <File.h>
  49 #include <Locale.h>
  50 #include <MenuItem.h>
  51 #include <MessageFilter.h>
  52 #include <MessagePrivate.h>
  53 #include <Screen.h>
  54
  55 #include "BarApp.h"
  56 #include "BarMenuBar.h"
  57 #include "BarView.h"
  58 #include "DeskbarUtils.h"
  59 #include "DeskbarMenu.h"
  60 #include "StatusView.h"
  61
  62 #include "tracker_private.h"
  63
  64 #undef B_TRANSLATION_CONTEXT
  65 #define B_TRANSLATION_CONTEXT "MainWindow"
  66
  67
  68 // This is a very ugly hack to be able to call the private
  69 // BMenuBar::StartMenuBar() method from the TBarWindow::ShowBeMenu() method.
  70 // Don't do this at home -- but why the hell is this method private?
  71 #if __MWERKS__
  72         #define BMenuBar_StartMenuBar_Hack StartMenuBar__8BMenuBarFlbbP5BRect
  73 #elif __GNUC__ <= 2
  74         #define BMenuBar_StartMenuBar_Hack StartMenuBar__8BMenuBarlbT2P5BRect
  75 #elif __GNUC__ > 2
  76         #if B_HAIKU_64_BIT
  77                 #define BMenuBar_StartMenuBar_Hack _ZN8BMenuBar12StartMenuBarEibbP5BRect
  78         #else
  79                 #define BMenuBar_StartMenuBar_Hack _ZN8BMenuBar12StartMenuBarElbbP5BRect
  80         #endif
  81 #else
  82 #       error "You may want to port this ugly hack to your compiler ABI"
  83 #endif
  84 extern "C" void
  85         BMenuBar_StartMenuBar_Hack(BMenuBar*, int32, bool, bool, BRect*);
  86
  87
  88 TDeskbarMenu* TBarWindow::sDeskbarMenu = NULL;
  89
  90
  91 TBarWindow::TBarWindow()
  92         :
  93         BWindow(BRect(-1000.0f, -1000.0f, -1000.0f, -1000.0f),
  94                 B_TRANSLATE_SYSTEM_NAME("Deskbar"), B_BORDERED_WINDOW,
  95                 B_WILL_ACCEPT_FIRST_CLICK | B_NOT_ZOOMABLE | B_NOT_CLOSABLE
  96                 | B_NOT_MINIMIZABLE | B_NOT_MOVABLE | B_NOT_RESIZABLE
  97                 | B_AVOID_FRONT | B_ASYNCHRONOUS_CONTROLS,
  98                 B_ALL_WORKSPACES),
  99         fShowingMenu(false)
 100 {
 101         desk_settings* settings = ((TBarApp*)be_app)->Settings();
 102         if (settings->alwaysOnTop)
 103                 SetFeel(B_FLOATING_ALL_WINDOW_FEEL);
 104
 105         fBarView = new TBarView(Bounds(), settings->vertical, settings->left,
 106                 settings->top, settings->state, settings->width);
 107         AddChild(fBarView);
 108
 109         RemoveShortcut('H', B_COMMAND_KEY | B_CONTROL_KEY);
 110         AddShortcut('F', B_COMMAND_KEY, new BMessage(kFindButton));
 111 }
 112
 113
 114 void
 115 TBarWindow::MenusBeginning()
 116 {
 117         BPath path;
 118         entry_ref ref;
 119         BEntry entry;
 120
 121         if (GetDeskbarSettingsDirectory(path) == B_OK
 122                 && path.Append(kDeskbarMenuEntriesFileName) == B_OK
 123                 && entry.SetTo(path.Path(), true) == B_OK
 124                 && entry.Exists()
 125                 && entry.GetRef(&ref) == B_OK) {
 126                 sDeskbarMenu->SetNavDir(&ref);
 127         } else if (GetDeskbarDataDirectory(path) == B_OK
 128                 && path.Append(kDeskbarMenuEntriesFileName) == B_OK
 129                 && entry.SetTo(path.Path(), true) == B_OK
 130                 && entry.Exists()
 131                 && entry.GetRef(&ref) == B_OK) {
 132                 sDeskbarMenu->SetNavDir(&ref);
 133         } else {
 134                 //      this really should never happen
 135                 TRESPASS();
 136                 return;
 137         }
 138
 139         sDeskbarMenu->ResetTargets();
 140
 141         fShowingMenu = true;
 142         BWindow::MenusBeginning();
 143 }
 144
 145
 146 void
 147 TBarWindow::MenusEnded()
 148 {
 149         fShowingMenu = false;
 150         BWindow::MenusEnded();
 151
 152         if (sDeskbarMenu->LockLooper()) {
 153                 sDeskbarMenu->ForceRebuild();
 154                 sDeskbarMenu->UnlockLooper();
 155         }
 156 }
 157
 158
 159 void
 160 TBarWindow::MessageReceived(BMessage* message)
 161 {
 162         switch (message->what) {
 163                 case kFindButton:
 164                 {
 165                         BMessenger tracker(kTrackerSignature);
 166                         tracker.SendMessage(message);
 167                         break;
 168                 }
 169
 170                 case 'gloc':
 171                         GetLocation(message);
 172                         break;
 173
 174                 case 'sloc':
 175                         SetLocation(message);
 176                         break;
 177
 178                 case 'gexp':
 179                         IsExpanded(message);
 180                         break;
 181
 182                 case 'sexp':
 183                         Expand(message);
 184                         break;
 185
 186                 case 'info':
 187                         ItemInfo(message);
 188                         break;
 189
 190                 case 'exst':
 191                         ItemExists(message);
 192                         break;
 193
 194                 case 'cwnt':
 195                         CountItems(message);
 196                         break;
 197
 198                 case 'adon':
 199                 case 'icon':
 200                         AddItem(message);
 201                         break;
 202
 203                 case 'remv':
 204                         RemoveItem(message);
 205                         break;
 206
 207                 case 'iloc':
 208                         GetIconFrame(message);
 209                         break;
 210
 211                 default:
 212                         BWindow::MessageReceived(message);
 213                         break;
 214         }
 215 }
 216
 217
 218 void
 219 TBarWindow::Minimize(bool minimize)
 220 {
 221         // Don't allow the Deskbar to be minimized
 222         if (!minimize)
 223                 BWindow::Minimize(false);
 224 }
 225
 226
 227 void
 228 TBarWindow::SaveSettings()
 229 {
 230         fBarView->SaveSettings();
 231 }
 232
 233
 234 bool
 235 TBarWindow::QuitRequested()
 236 {
 237         be_app->PostMessage(B_QUIT_REQUESTED);
 238
 239         return BWindow::QuitRequested();
 240 }
 241
 242
 243 void
 244 TBarWindow::WorkspaceActivated(int32 workspace, bool active)
 245 {
 246         BWindow::WorkspaceActivated(workspace, active);
 247
 248         if (active && !(fBarView->ExpandoState() && fBarView->Vertical()))
 249                 fBarView->UpdatePlacement();
 250         else {
 251                 BRect screenFrame = (BScreen(fBarView->Window())).Frame();
 252                 fBarView->SizeWindow(screenFrame);
 253                 fBarView->PositionWindow(screenFrame);
 254                 fBarView->Invalidate();
 255         }
 256 }
 257
 258
 259 void
 260 TBarWindow::ScreenChanged(BRect size, color_space depth)
 261 {
 262         BWindow::ScreenChanged(size, depth);
 263
 264         fBarView->UpdatePlacement();
 265 }
 266
 267
 268 void
 269 TBarWindow::SetDeskbarMenu(TDeskbarMenu* menu)
 270 {
 271         sDeskbarMenu = menu;
 272 }
 273
 274
 275 TDeskbarMenu*
 276 TBarWindow::DeskbarMenu()
 277 {
 278         return sDeskbarMenu;
 279 }
 280
 281
 282 void
 283 TBarWindow::ShowDeskbarMenu()
 284 {
 285         BMenuBar* menuBar = fBarView->BarMenuBar();
 286         if (menuBar == NULL)
 287                 menuBar = KeyMenuBar();
 288
 289         if (menuBar == NULL)
 290                 return;
 291
 292         BMenuBar_StartMenuBar_Hack(menuBar, 0, true, true, NULL);
 293 }
 294
 295
 296 void
 297 TBarWindow::ShowTeamMenu()
 298 {
 299         int32 index = 0;
 300         if (fBarView->BarMenuBar() == NULL)
 301                 index = 2;
 302
 303         if (KeyMenuBar() == NULL)
 304                 return;
 305
 306         BMenuBar_StartMenuBar_Hack(KeyMenuBar(), index, true, true, NULL);
 307 }
 308
 309
 310 // determines the actual location of the window
 311
 312 deskbar_location
 313 TBarWindow::DeskbarLocation() const
 314 {
 315         bool left = fBarView->Left();
 316         bool top = fBarView->Top();
 317
 318         if (fBarView->AcrossTop())
 319                 return B_DESKBAR_TOP;
 320
 321         if (fBarView->AcrossBottom())
 322                 return B_DESKBAR_BOTTOM;
 323
 324         if (left && top)
 325                 return B_DESKBAR_LEFT_TOP;
 326
 327         if (!left && top)
 328                 return B_DESKBAR_RIGHT_TOP;
 329
 330         if (left && !top)
 331                 return B_DESKBAR_LEFT_BOTTOM;
 332
 333         return B_DESKBAR_RIGHT_BOTTOM;
 334 }
 335
 336
 337 void
 338 TBarWindow::GetLocation(BMessage* message)
 339 {
 340         BMessage reply('rply');
 341         reply.AddInt32("location", (int32)DeskbarLocation());
 342         reply.AddBool("expanded", fBarView->ExpandoState());
 343
 344         message->SendReply(&reply);
 345 }
 346
 347
 348 void
 349 TBarWindow::SetDeskbarLocation(deskbar_location location, bool newExpandState)
 350 {
 351         // left top and right top are the only two that
 352         // currently pay attention to expand, ignore for all others
 353
 354         bool left = false, top = true, vertical, expand;
 355
 356         switch (location) {
 357                 case B_DESKBAR_TOP:
 358                         left = true;
 359                         top = true;
 360                         vertical = false;
 361                         expand = true;
 362                         break;
 363
 364                 case B_DESKBAR_BOTTOM:
 365                         left = true;
 366                         top = false;
 367                         vertical = false;
 368                         expand = true;
 369                         break;
 370
 371                 case B_DESKBAR_LEFT_TOP:
 372                         left = true;
 373                         top = true;
 374                         vertical = true;
 375                         expand = newExpandState;
 376                         break;
 377
 378                 case B_DESKBAR_RIGHT_TOP:
 379                         left = false;
 380                         top = true;
 381                         vertical = true;
 382                         expand = newExpandState;
 383                         break;
 384
 385                 case B_DESKBAR_LEFT_BOTTOM:
 386                         left = true;
 387                         top = false;
 388                         vertical = true;
 389                         expand = false;
 390                         break;
 391
 392                 case B_DESKBAR_RIGHT_BOTTOM:
 393                         left = false;
 394                         top = false;
 395                         vertical = true;
 396                         expand = false;
 397                         break;
 398
 399                 default:
 400                         left = true;
 401                         top = true;
 402                         vertical = false;
 403                         expand = true;
 404                         break;
 405         }
 406
 407         fBarView->ChangeState(expand, vertical, left, top);
 408 }
 409
 410
 411 void
 412 TBarWindow::SetLocation(BMessage* message)
 413 {
 414         deskbar_location location;
 415         bool expand;
 416         if (message->FindInt32("location", (int32*)&location) == B_OK
 417                 && message->FindBool("expand", &expand) == B_OK)
 418                 SetDeskbarLocation(location, expand);
 419 }
 420
 421
 422 void
 423 TBarWindow::IsExpanded(BMessage* message)
 424 {
 425         BMessage reply('rply');
 426         reply.AddBool("expanded", fBarView->ExpandoState());
 427         message->SendReply(&reply);
 428 }
 429
 430
 431 void
 432 TBarWindow::Expand(BMessage* message)
 433 {
 434         bool expand;
 435         if (message->FindBool("expand", &expand) == B_OK) {
 436                 bool vertical = fBarView->Vertical();
 437                 bool left = fBarView->Left();
 438                 bool top = fBarView->Top();
 439                 fBarView->ChangeState(expand, vertical, left, top);
 440         }
 441 }
 442
 443
 444 void
 445 TBarWindow::ItemInfo(BMessage* message)
 446 {
 447         BMessage replyMsg;
 448         const char* name;
 449         int32 id;
 450         DeskbarShelf shelf;
 451         if (message->FindInt32("id", &id) == B_OK) {
 452                 if (fBarView->ItemInfo(id, &name, &shelf) == B_OK) {
 453                         replyMsg.AddString("name", name);
 454 #if SHELF_AWARE
 455                         replyMsg.AddInt32("shelf", (int32)shelf);
 456 #endif
 457                 }
 458         } else if (message->FindString("name", &name) == B_OK) {
 459                 if (fBarView->ItemInfo(name, &id, &shelf) == B_OK) {
 460                         replyMsg.AddInt32("id", id);
 461 #if SHELF_AWARE
 462                         replyMsg.AddInt32("shelf", (int32)shelf);
 463 #endif
 464                 }
 465         }
 466
 467         message->SendReply(&replyMsg);
 468 }
 469
 470
 471 void
 472 TBarWindow::ItemExists(BMessage* message)
 473 {
 474         BMessage replyMsg;
 475         const char* name;
 476         int32 id;
 477         DeskbarShelf shelf;
 478
 479 #if SHELF_AWARE
 480         if (message->FindInt32("shelf", (int32*)&shelf) != B_OK)
 481 #endif
 482                 shelf = B_DESKBAR_TRAY;
 483
 484         bool exists = false;
 485         if (message->FindInt32("id", &id) == B_OK)
 486                 exists = fBarView->ItemExists(id, shelf);
 487         else if (message->FindString("name", &name) == B_OK)
 488                 exists = fBarView->ItemExists(name, shelf);
 489
 490         replyMsg.AddBool("exists", exists);
 491         message->SendReply(&replyMsg);
 492 }
 493
 494
 495 void
 496 TBarWindow::CountItems(BMessage* message)
 497 {
 498         DeskbarShelf shelf;
 499
 500 #if SHELF_AWARE
 501         if (message->FindInt32("shelf", (int32*)&shelf) != B_OK)
 502 #endif
 503                 shelf = B_DESKBAR_TRAY;
 504
 505         BMessage reply('rply');
 506         reply.AddInt32("count", fBarView->CountItems(shelf));
 507         message->SendReply(&reply);
 508 }
 509
 510
 511 void
 512 TBarWindow::AddItem(BMessage* message)
 513 {
 514         DeskbarShelf shelf = B_DESKBAR_TRAY;
 515         entry_ref ref;
 516         int32 id = 999;
 517         BMessage reply;
 518         status_t err = B_ERROR;
 519
 520         BMessage* archivedView = new BMessage();
 521         ObjectDeleter<BMessage> deleter(archivedView);
 522         if (message->FindMessage("view", archivedView) == B_OK) {
 523 #if SHELF_AWARE
 524                 message->FindInt32("shelf", &shelf);
 525 #endif
 526                 err = fBarView->AddItem(archivedView, shelf, &id);
 527                 if (err == B_OK) {
 528                         // Detach the deleter since AddReplicant is taking ownership
 529                         // on success. This should be changed on server side.
 530                         deleter.Detach();
 531                 }
 532         } else if (message->FindRef("addon", &ref) == B_OK) {
 533                 BEntry entry(&ref);
 534                 err = entry.InitCheck();
 535                 if (err == B_OK)
 536                         err = fBarView->AddItem(&entry, shelf, &id);
 537         }
 538
 539         if (err == B_OK)
 540                 reply.AddInt32("id", id);
 541         else
 542                 reply.AddInt32("error", err);
 543
 544         message->SendReply(&reply);
 545 }
 546
 547
 548 void
 549 TBarWindow::RemoveItem(BMessage* message)
 550 {
 551         int32 id;
 552         const char* name;
 553
 554         // ids ought to be unique across all shelves, assuming, of course,
 555         // that sometime in the future there may be more than one
 556 #if SHELF_AWARE
 557         if (message->FindInt32("shelf", (int32*)&shelf) == B_OK) {
 558                 if (message->FindString("name", &name) == B_OK)
 559                         fBarView->RemoveItem(name, shelf);
 560         } else {
 561 #endif
 562                 if (message->FindInt32("id", &id) == B_OK) {
 563                         fBarView->RemoveItem(id);
 564                 // remove the following two lines if and when the
 565                 // shelf option returns
 566                 } else if (message->FindString("name", &name) == B_OK)
 567                         fBarView->RemoveItem(name, B_DESKBAR_TRAY);
 568
 569 #if SHELF_AWARE
 570         }
 571 #endif
 572 }
 573
 574
 575 void
 576 TBarWindow::GetIconFrame(BMessage* message)
 577 {
 578         BRect frame(0, 0, 0, 0);
 579
 580         const char* name;
 581         int32 id;
 582         if (message->FindInt32("id", &id) == B_OK)
 583                 frame = fBarView->IconFrame(id);
 584         else if (message->FindString("name", &name) == B_OK)
 585                 frame = fBarView->IconFrame(name);
 586
 587         BMessage reply('rply');
 588         reply.AddRect("frame", frame);
 589         message->SendReply(&reply);
 590 }
 591
 592
 593 bool
 594 TBarWindow::IsShowingMenu() const
 595 {
 596         return fShowingMenu;
 597 }
 598
 599
 600 bool
 601 TBarWindow::_IsFocusMessage(BMessage* message)
 602 {
 603         BMessage::Private messagePrivate(message);
 604         if (!messagePrivate.UsePreferredTarget())
 605                 return false;
 606
 607         bool feedFocus;
 608         if (message->HasInt32("_token")
 609                 && (message->FindBool("_feed_focus", &feedFocus) != B_OK || !feedFocus))
 610                 return false;
 611
 612         return true;
 613 }