xref: /haiku/src/apps/launchbox/MainWindow.cpp (revision e7c8829c5d8e5d34a2a1e111f1c06aceff256013) 
1 /*
2  * Copyright 2006 - 2009, Stephan Aßmus <superstippi@gmx.de>.
3  * All rights reserved. Distributed under the terms of the MIT License.
4  */
5 
6 #include "MainWindow.h"
7 
8 #include <stdio.h>
9 
10 #include <Alert.h>
11 #include <Application.h>
12 #include <GroupLayout.h>
13 #include <Menu.h>
14 #include <MenuItem.h>
15 #include <Messenger.h>
16 #include <Path.h>
17 #include <Roster.h>
18 #include <Screen.h>
19 
20 #include "support.h"
21 
22 #include "LaunchButton.h"
23 #include "NamePanel.h"
24 #include "PadView.h"
25 
26 
27 MainWindow::MainWindow(const char* name, BRect frame, bool addDefaultButtons)
28 	:
29 	BWindow(frame, name, B_TITLED_WINDOW_LOOK, B_NORMAL_WINDOW_FEEL,
30 		B_ASYNCHRONOUS_CONTROLS | B_NOT_ZOOMABLE
31 		| B_WILL_ACCEPT_FIRST_CLICK | B_NO_WORKSPACE_ACTIVATION
32 		| B_AUTO_UPDATE_SIZE_LIMITS | B_SAME_POSITION_IN_ALL_WORKSPACES,
33 		B_ALL_WORKSPACES),
34 	fSettings(new BMessage('sett')),
35 	fPadView(new PadView("pad view")),
36 	fLastID(0),
37 	fNamePanelFrame(-1000.0, -1000.0, -800.0, -900.0),
38 	fAutoRaise(false),
39 	fShowOnAllWorkspaces(true)
40 {
41 	bool buttonsAdded = false;
42 	if (load_settings(fSettings, "main_settings", "LaunchBox") >= B_OK)
43 		buttonsAdded = LoadSettings(fSettings);
44 	if (!buttonsAdded) {
45 		if (addDefaultButtons)
46 			_AddDefaultButtons();
47 		else
48 			_AddEmptyButtons();
49 	}
50 
51 	SetLayout(new BGroupLayout(B_HORIZONTAL));
52 	AddChild(fPadView);
53 }
54 
55 
56 MainWindow::MainWindow(const char* name, BRect frame, BMessage* settings)
57 	:
58 	BWindow(frame, name,
59 		B_TITLED_WINDOW_LOOK, B_NORMAL_WINDOW_FEEL,
60 		B_ASYNCHRONOUS_CONTROLS | B_NOT_ZOOMABLE
61 		| B_WILL_ACCEPT_FIRST_CLICK | B_NO_WORKSPACE_ACTIVATION
62 		| B_AUTO_UPDATE_SIZE_LIMITS | B_SAME_POSITION_IN_ALL_WORKSPACES,
63 		B_ALL_WORKSPACES),
64 	fSettings(settings),
65 	fPadView(new PadView("pad view")),
66 	fLastID(0),
67 	fNamePanelFrame(-1000.0, -1000.0, -900.0, -900.0),
68 	fAutoRaise(false),
69 	fShowOnAllWorkspaces(true)
70 {
71 	if (!LoadSettings(settings))
72 		_AddEmptyButtons();
73 
74 	SetLayout(new BGroupLayout(B_HORIZONTAL));
75 	AddChild(fPadView);
76 }
77 
78 
79 MainWindow::~MainWindow()
80 {
81 	delete fSettings;
82 }
83 
84 
85 bool
86 MainWindow::QuitRequested()
87 {
88 	int32 padWindowCount = 0;
89 	for (int32 i = 0; BWindow* window = be_app->WindowAt(i); i++) {
90 		if (dynamic_cast<MainWindow*>(window))
91 			padWindowCount++;
92 	}
93 	if (padWindowCount == 1) {
94 		be_app->PostMessage(B_QUIT_REQUESTED);
95 		return false;
96 	} else {
97 		BAlert* alert = new BAlert("last chance", "Really close this pad?\n"
98 			"(The pad will not be remembered.)",
99 			"Close", "Cancel", NULL);
100 		if (alert->Go() == 1)
101 			return false;
102 	}
103 	return true;
104 }
105 
106 
107 void
108 MainWindow::MessageReceived(BMessage* message)
109 {
110 	switch (message->what) {
111 		case MSG_LAUNCH: {
112 			BView* pointer;
113 			if (message->FindPointer("be:source", (void**)&pointer) < B_OK)
114 				break;
115 			LaunchButton* button = dynamic_cast<LaunchButton*>(pointer);
116 			if (button == NULL)
117 				break;
118 			BString errorMessage;
119 			bool launchedByRef = false;
120 			if (button->Ref()) {
121 				BEntry entry(button->Ref(), true);
122 				if (entry.IsDirectory()) {
123 					// open in Tracker
124 					BMessenger messenger("application/x-vnd.Be-TRAK");
125 					if (messenger.IsValid()) {
126 						BMessage trackerMessage(B_REFS_RECEIVED);
127 						trackerMessage.AddRef("refs", button->Ref());
128 						status_t ret = messenger.SendMessage(&trackerMessage);
129 						if (ret < B_OK) {
130 							errorMessage = "Failed to send 'open folder' "
131 								"command to Tracker.\n\nError: ";
132 							errorMessage << strerror(ret);
133 						} else
134 							launchedByRef = true;
135 					} else
136 						errorMessage = "Failed to open folder - is Tracker "
137 							"running?";
138 				} else {
139 					status_t ret = be_roster->Launch(button->Ref());
140 					if (ret < B_OK && ret != B_ALREADY_RUNNING) {
141 						errorMessage = "Failed to launch '";
142 						BPath path(button->Ref());
143 						if (path.InitCheck() >= B_OK)
144 							errorMessage << path.Path();
145 						else
146 							errorMessage << button->Ref()->name;
147 						errorMessage << "'.\n\nError: ";
148 						errorMessage << strerror(ret);
149 					} else
150 						launchedByRef = true;
151 				}
152 			}
153 			if (!launchedByRef && button->AppSignature()) {
154 				status_t ret = be_roster->Launch(button->AppSignature());
155 				if (ret != B_OK && ret != B_ALREADY_RUNNING) {
156 					errorMessage = "Failed to launch application with "
157 						"signature '";
158 					errorMessage << button->AppSignature() << "'.\n\nError: ";
159 					errorMessage << strerror(ret);
160 				} else {
161 					// clear error message on success (might have been
162 					// filled when trying to launch by ref)
163 					errorMessage = "";
164 				}
165 			} else if (!launchedByRef) {
166 				errorMessage = "Failed to launch 'something', error in "
167 					"Pad data.";
168 			}
169 			if (errorMessage.Length() > 0) {
170 				BAlert* alert = new BAlert("error", errorMessage.String(),
171 					"Bummer", NULL, NULL, B_WIDTH_FROM_WIDEST);
172 				alert->Go(NULL);
173 			}
174 			break;
175 		}
176 		case MSG_ADD_SLOT: {
177 			LaunchButton* button;
178 			if (message->FindPointer("be:source", (void**)&button) >= B_OK) {
179 				fPadView->AddButton(new LaunchButton("launch button", fLastID++,
180 					NULL, new BMessage(MSG_LAUNCH)), button);
181 			}
182 			break;
183 		}
184 		case MSG_CLEAR_SLOT: {
185 			LaunchButton* button;
186 			if (message->FindPointer("be:source", (void**)&button) >= B_OK)
187 				button->SetTo((entry_ref*)NULL);
188 			break;
189 		}
190 		case MSG_REMOVE_SLOT: {
191 			LaunchButton* button;
192 			if (message->FindPointer("be:source", (void**)&button) >= B_OK) {
193 				if (fPadView->RemoveButton(button))
194 					delete button;
195 			}
196 			break;
197 		}
198 		case MSG_SET_DESCRIPTION: {
199 			LaunchButton* button;
200 			if (message->FindPointer("be:source", (void**)&button) >= B_OK) {
201 				const char* name;
202 				if (message->FindString("name", &name) >= B_OK) {
203 					// message comes from a previous name panel
204 					button->SetDescription(name);
205 					message->FindRect("frame", &fNamePanelFrame);
206 				} else {
207 					// message comes from pad view
208 					entry_ref* ref = button->Ref();
209 					if (ref) {
210 						BString helper("Description for '");
211 						helper << ref->name << "'";
212 //						BRect* frame = fNamePanelFrame.IsValid() ? &fNamePanelFrame : NULL;
213 						new NamePanel(helper.String(), button->Description(),
214 							this, this, new BMessage(*message),
215 							fNamePanelFrame);
216 					}
217 				}
218 			}
219 			break;
220 		}
221 		case MSG_ADD_WINDOW: {
222 			BMessage settings('sett');
223 			SaveSettings(&settings);
224 			message->AddMessage("window", &settings);
225 			be_app->PostMessage(message);
226 			break;
227 		}
228 		case MSG_SHOW_BORDER:
229 			SetLook(B_TITLED_WINDOW_LOOK);
230 			break;
231 		case MSG_HIDE_BORDER:
232 			SetLook(B_BORDERED_WINDOW_LOOK);
233 			break;
234 		case MSG_TOGGLE_AUTORAISE:
235 			ToggleAutoRaise();
236 			break;
237 		case MSG_SHOW_ON_ALL_WORKSPACES:
238 			fShowOnAllWorkspaces = !fShowOnAllWorkspaces;
239 			if (fShowOnAllWorkspaces)
240 				SetWorkspaces(B_ALL_WORKSPACES);
241 			else
242 				SetWorkspaces(1L << current_workspace());
243 			break;
244 		case B_SIMPLE_DATA:
245 		case B_REFS_RECEIVED:
246 		case B_PASTE:
247 		case B_MODIFIERS_CHANGED:
248 			break;
249 		case B_ABOUT_REQUESTED:
250 			be_app->PostMessage(message);
251 			break;
252 		default:
253 			BWindow::MessageReceived(message);
254 			break;
255 	}
256 }
257 
258 
259 void
260 MainWindow::Show()
261 {
262 	BWindow::Show();
263 	_GetLocation();
264 }
265 
266 
267 void
268 MainWindow::ScreenChanged(BRect frame, color_space format)
269 {
270 	_AdjustLocation(Frame());
271 }
272 
273 
274 void
275 MainWindow::WorkspaceActivated(int32 workspace, bool active)
276 {
277 	if (fShowOnAllWorkspaces) {
278 		if (!active)
279 			_GetLocation();
280 		else
281 			_AdjustLocation(Frame());
282 	}
283 }
284 
285 
286 void
287 MainWindow::FrameMoved(BPoint origin)
288 {
289 	if (IsActive())
290 		_GetLocation();
291 }
292 
293 
294 void
295 MainWindow::FrameResized(float width, float height)
296 {
297 	if (IsActive())
298 		_GetLocation();
299 	BWindow::FrameResized(width, height);
300 }
301 
302 
303 void
304 MainWindow::ToggleAutoRaise()
305 {
306 	fAutoRaise = !fAutoRaise;
307 	if (fAutoRaise)
308 		fPadView->SetEventMask(B_POINTER_EVENTS, B_NO_POINTER_HISTORY);
309 	else
310 		fPadView->SetEventMask(0);
311 }
312 
313 
314 bool
315 MainWindow::LoadSettings(const BMessage* message)
316 {
317 	// restore window positioning
318 	BPoint point;
319 	bool useAdjust = false;
320 	if (message->FindPoint("window position", &point) == B_OK) {
321 		fScreenPosition = point;
322 		useAdjust = true;
323 	}
324 	float borderDist;
325 	if (message->FindFloat("border distance", &borderDist) == B_OK) {
326 		fBorderDist = borderDist;
327 	}
328 	// restore window frame
329 	BRect frame;
330 	if (message->FindRect("window frame", &frame) == B_OK) {
331 		if (useAdjust) {
332 			_AdjustLocation(frame);
333 		} else {
334 			make_sure_frame_is_on_screen(frame, this);
335 			MoveTo(frame.LeftTop());
336 			ResizeTo(frame.Width(), frame.Height());
337 		}
338 	}
339 
340 	// restore name panel frame
341 	if (message->FindRect("name panel frame", &frame) == B_OK) {
342 		if (frame.IsValid()) {
343 			make_sure_frame_is_on_screen(frame, this);
344 			fNamePanelFrame = frame;
345 		}
346 	}
347 
348 	// restore window look
349 	window_look look;
350 	if (message->FindInt32("window look", (int32*)&look) == B_OK)
351 		SetLook(look);
352 
353 	// restore orientation
354 	int32 orientation;
355 	if (message->FindInt32("orientation", &orientation) == B_OK)
356 		fPadView->SetOrientation((enum orientation)orientation);
357 
358 	// restore icon size
359 	int32 iconSize;
360 	if (message->FindInt32("icon size", &iconSize) == B_OK)
361 		fPadView->SetIconSize(iconSize);
362 
363 	// restore ignore double click
364 	bool ignoreDoubleClick;
365 	if (message->FindBool("ignore double click", &ignoreDoubleClick) == B_OK)
366 		fPadView->SetIgnoreDoubleClick(ignoreDoubleClick);
367 
368 	// restore buttons
369 	const char* path;
370 	bool buttonAdded = false;
371 	for (int32 i = 0; message->FindString("path", i, &path) >= B_OK; i++) {
372 		LaunchButton* button = new LaunchButton("launch button", fLastID++,
373 			NULL, new BMessage(MSG_LAUNCH));
374 		fPadView->AddButton(button);
375 		BString signature;
376 		if (message->FindString("signature", i, &signature) >= B_OK
377 			&& signature.CountChars() > 0)  {
378 			button->SetTo(signature.String(), true);
379 		}
380 
381 		entry_ref ref;
382 		BEntry entry(&ref, true);
383 		if (entry.Exists())
384 			button->SetTo(&ref);
385 
386 		const char* text;
387 		if (message->FindString("description", i, &text) >= B_OK)
388 			button->SetDescription(text);
389 		buttonAdded = true;
390 	}
391 
392 	// restore auto raise setting
393 	bool autoRaise;
394 	if (message->FindBool("auto raise", &autoRaise) == B_OK && autoRaise)
395 		ToggleAutoRaise();
396 
397 	// store workspace setting
398 	bool showOnAllWorkspaces;
399 	if (message->FindBool("all workspaces", &showOnAllWorkspaces) == B_OK)
400 		fShowOnAllWorkspaces = showOnAllWorkspaces;
401 		SetWorkspaces(showOnAllWorkspaces
402 			? B_ALL_WORKSPACES : 1L << current_workspace());
403 	if (!fShowOnAllWorkspaces) {
404 		uint32 workspaces;
405 		if (message->FindInt32("workspaces", (int32*)&workspaces) == B_OK)
406 			SetWorkspaces(workspaces);
407 	}
408 
409 	return buttonAdded;
410 }
411 
412 
413 void
414 MainWindow::SaveSettings(BMessage* message)
415 {
416 	// make sure the positioning info is correct
417 	_GetLocation();
418 	// store window position
419 	if (message->ReplacePoint("window position", fScreenPosition) != B_OK)
420 		message->AddPoint("window position", fScreenPosition);
421 
422 	if (message->ReplaceFloat("border distance", fBorderDist) != B_OK)
423 		message->AddFloat("border distance", fBorderDist);
424 
425 	// store window frame
426 	if (message->ReplaceRect("window frame", Frame()) != B_OK)
427 		message->AddRect("window frame", Frame());
428 
429 	// store name panel frame
430 	if (message->ReplaceRect("name panel frame", fNamePanelFrame) != B_OK)
431 		message->AddRect("name panel frame", fNamePanelFrame);
432 
433 	if (message->ReplaceInt32("window look", Look()) != B_OK)
434 		message->AddInt32("window look", Look());
435 
436 	// store orientation
437 	if (message->ReplaceInt32("orientation",
438 			(int32)fPadView->Orientation()) != B_OK)
439 		message->AddInt32("orientation", (int32)fPadView->Orientation());
440 
441 	// store icon size
442 	if (message->ReplaceInt32("icon size", fPadView->IconSize()) != B_OK)
443 		message->AddInt32("icon size", fPadView->IconSize());
444 
445 	// store ignore double click
446 	if (message->ReplaceBool("ignore double click",
447 			fPadView->IgnoreDoubleClick()) != B_OK) {
448 		message->AddBool("ignore double click", fPadView->IgnoreDoubleClick());
449 	}
450 
451 	// store buttons
452 	message->RemoveName("path");
453 	message->RemoveName("description");
454 	message->RemoveName("signature");
455 	for (int32 i = 0; LaunchButton* button = fPadView->ButtonAt(i); i++) {
456 		BPath path(button->Ref());
457 		if (path.InitCheck() >= B_OK)
458 			message->AddString("path", path.Path());
459 		else
460 			message->AddString("path", "");
461 		message->AddString("description", button->Description());
462 
463 		if (button->AppSignature())
464 			message->AddString("signature", button->AppSignature());
465 		else
466 			message->AddString("signature", "");
467 	}
468 
469 	// store auto raise setting
470 	if (message->ReplaceBool("auto raise", fAutoRaise) != B_OK)
471 		message->AddBool("auto raise", fAutoRaise);
472 
473 	// store workspace setting
474 	if (message->ReplaceBool("all workspaces", fShowOnAllWorkspaces) != B_OK)
475 		message->AddBool("all workspaces", fShowOnAllWorkspaces);
476 	if (message->ReplaceInt32("workspaces", Workspaces()) != B_OK)
477 		message->AddInt32("workspaces", Workspaces());
478 }
479 
480 
481 void
482 MainWindow::_GetLocation()
483 {
484 	BRect frame = Frame();
485 	BPoint origin = frame.LeftTop();
486 	BPoint center(origin.x + frame.Width() / 2.0,
487 		origin.y + frame.Height() / 2.0);
488 	BScreen screen(this);
489 	BRect screenFrame = screen.Frame();
490 	fScreenPosition.x = center.x / screenFrame.Width();
491 	fScreenPosition.y = center.y / screenFrame.Height();
492 	if (fabs(0.5 - fScreenPosition.x) > fabs(0.5 - fScreenPosition.y)) {
493 		// nearest to left or right border
494 		if (fScreenPosition.x < 0.5)
495 			fBorderDist = frame.left - screenFrame.left;
496 		else
497 			fBorderDist = screenFrame.right - frame.right;
498 	} else {
499 		// nearest to top or bottom border
500 		if (fScreenPosition.y < 0.5)
501 			fBorderDist = frame.top - screenFrame.top;
502 		else
503 			fBorderDist = screenFrame.bottom - frame.bottom;
504 	}
505 }
506 
507 
508 void
509 MainWindow::_AdjustLocation(BRect frame)
510 {
511 	BScreen screen(this);
512 	BRect screenFrame = screen.Frame();
513 	BPoint center(fScreenPosition.x * screenFrame.Width(),
514 		fScreenPosition.y * screenFrame.Height());
515 	BPoint frameCenter(frame.left + frame.Width() / 2.0,
516 		frame.top + frame.Height() / 2.0);
517 	frame.OffsetBy(center - frameCenter);
518 	// ignore border dist when distance too large
519 	if (fBorderDist < 10.0) {
520 		// see which border we mean depending on screen position
521 		BPoint offset(0.0, 0.0);
522 		if (fabs(0.5 - fScreenPosition.x) > fabs(0.5 - fScreenPosition.y)) {
523 			// left or right border
524 			if (fScreenPosition.x < 0.5)
525 				offset.x = (screenFrame.left + fBorderDist) - frame.left;
526 			else
527 				offset.x = (screenFrame.right - fBorderDist) - frame.right;
528 		} else {
529 			// top or bottom border
530 			if (fScreenPosition.y < 0.5)
531 				offset.y = (screenFrame.top + fBorderDist) - frame.top;
532 			else
533 				offset.y = (screenFrame.bottom - fBorderDist) - frame.bottom;
534 		}
535 		frame.OffsetBy(offset);
536 	}
537 
538 	make_sure_frame_is_on_screen(frame, this);
539 
540 	MoveTo(frame.LeftTop());
541 	ResizeTo(frame.Width(), frame.Height());
542 }
543 
544 
545 void
546 MainWindow::_AddDefaultButtons()
547 {
548 	// Mail
549 	LaunchButton* button = new LaunchButton("launch button", fLastID++, NULL,
550 		new BMessage(MSG_LAUNCH));
551 	fPadView->AddButton(button);
552 	button->SetTo("application/x-vnd.Be-MAIL", true);
553 
554 	// StyledEdit
555 	button = new LaunchButton("launch button", fLastID++, NULL,
556 		new BMessage(MSG_LAUNCH));
557 	fPadView->AddButton(button);
558 	button->SetTo("application/x-vnd.Haiku-StyledEdit", true);
559 
560 	// ShowImage
561 	button = new LaunchButton("launch button", fLastID++, NULL,
562 		new BMessage(MSG_LAUNCH));
563 	fPadView->AddButton(button);
564 	button->SetTo("application/x-vnd.Haiku-ShowImage", true);
565 
566 	// MediaPlayer
567 	button = new LaunchButton("launch button", fLastID++, NULL,
568 		new BMessage(MSG_LAUNCH));
569 	fPadView->AddButton(button);
570 	button->SetTo("application/x-vnd.Haiku-MediaPlayer", true);
571 
572 	// DeskCalc
573 	button = new LaunchButton("launch button", fLastID++, NULL,
574 		new BMessage(MSG_LAUNCH));
575 	fPadView->AddButton(button);
576 	button->SetTo("application/x-vnd.Haiku-DeskCalc", true);
577 
578 	// Terminal
579 	button = new LaunchButton("launch button", fLastID++, NULL,
580 		new BMessage(MSG_LAUNCH));
581 	fPadView->AddButton(button);
582 	button->SetTo("application/x-vnd.Haiku-Terminal", true);
583 }
584 
585 
586 void
587 MainWindow::_AddEmptyButtons()
588 {
589 	LaunchButton* button = new LaunchButton("launch button", fLastID++, NULL,
590 		new BMessage(MSG_LAUNCH));
591 	fPadView->AddButton(button);
592 
593 	button = new LaunchButton("launch button", fLastID++, NULL,
594 		new BMessage(MSG_LAUNCH));
595 	fPadView->AddButton(button);
596 
597 	button = new LaunchButton("launch button", fLastID++, NULL,
598 		new BMessage(MSG_LAUNCH));
599 	fPadView->AddButton(button);
600 }
601 
602 
603