xref: /haiku/src/apps/launchbox/MainWindow.cpp (revision 3be9edf8da228afd9fec0390f408c964766122aa) 
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 						new NamePanel(helper.String(), button->Description(),
213 							this, this, new BMessage(*message),
214 							fNamePanelFrame);
215 					}
216 				}
217 			}
218 			break;
219 		}
220 		case MSG_ADD_WINDOW: {
221 			BMessage settings('sett');
222 			SaveSettings(&settings);
223 			message->AddMessage("window", &settings);
224 			be_app->PostMessage(message);
225 			break;
226 		}
227 		case MSG_SHOW_BORDER:
228 			SetLook(B_TITLED_WINDOW_LOOK);
229 			break;
230 		case MSG_HIDE_BORDER:
231 			SetLook(B_BORDERED_WINDOW_LOOK);
232 			break;
233 		case MSG_TOGGLE_AUTORAISE:
234 			ToggleAutoRaise();
235 			break;
236 		case MSG_SHOW_ON_ALL_WORKSPACES:
237 			fShowOnAllWorkspaces = !fShowOnAllWorkspaces;
238 			if (fShowOnAllWorkspaces)
239 				SetWorkspaces(B_ALL_WORKSPACES);
240 			else
241 				SetWorkspaces(1L << current_workspace());
242 			break;
243 		case B_SIMPLE_DATA:
244 		case B_REFS_RECEIVED:
245 		case B_PASTE:
246 		case B_MODIFIERS_CHANGED:
247 			break;
248 		case B_ABOUT_REQUESTED:
249 			be_app->PostMessage(message);
250 			break;
251 		default:
252 			BWindow::MessageReceived(message);
253 			break;
254 	}
255 }
256 
257 
258 void
259 MainWindow::Show()
260 {
261 	BWindow::Show();
262 	_GetLocation();
263 }
264 
265 
266 void
267 MainWindow::ScreenChanged(BRect frame, color_space format)
268 {
269 	_AdjustLocation(Frame());
270 }
271 
272 
273 void
274 MainWindow::WorkspaceActivated(int32 workspace, bool active)
275 {
276 	if (fShowOnAllWorkspaces) {
277 		if (!active)
278 			_GetLocation();
279 		else
280 			_AdjustLocation(Frame());
281 	}
282 }
283 
284 
285 void
286 MainWindow::FrameMoved(BPoint origin)
287 {
288 	if (IsActive()) {
289 		_GetLocation();
290 		_NotifySettingsChanged();
291 	}
292 }
293 
294 
295 void
296 MainWindow::FrameResized(float width, float height)
297 {
298 	if (IsActive()) {
299 		_GetLocation();
300 		_NotifySettingsChanged();
301 	}
302 	BWindow::FrameResized(width, height);
303 }
304 
305 
306 void
307 MainWindow::ToggleAutoRaise()
308 {
309 	fAutoRaise = !fAutoRaise;
310 	if (fAutoRaise)
311 		fPadView->SetEventMask(B_POINTER_EVENTS, B_NO_POINTER_HISTORY);
312 	else
313 		fPadView->SetEventMask(0);
314 
315 	_NotifySettingsChanged();
316 }
317 
318 
319 bool
320 MainWindow::LoadSettings(const BMessage* message)
321 {
322 	// restore window positioning
323 	BPoint point;
324 	bool useAdjust = false;
325 	if (message->FindPoint("window position", &point) == B_OK) {
326 		fScreenPosition = point;
327 		useAdjust = true;
328 	}
329 	float borderDist;
330 	if (message->FindFloat("border distance", &borderDist) == B_OK) {
331 		fBorderDist = borderDist;
332 	}
333 	// restore window frame
334 	BRect frame;
335 	if (message->FindRect("window frame", &frame) == B_OK) {
336 		if (useAdjust) {
337 			_AdjustLocation(frame);
338 		} else {
339 			make_sure_frame_is_on_screen(frame, this);
340 			MoveTo(frame.LeftTop());
341 			ResizeTo(frame.Width(), frame.Height());
342 		}
343 	}
344 
345 	// restore name panel frame
346 	if (message->FindRect("name panel frame", &frame) == B_OK) {
347 		if (frame.IsValid()) {
348 			make_sure_frame_is_on_screen(frame, this);
349 			fNamePanelFrame = frame;
350 		}
351 	}
352 
353 	// restore window look
354 	window_look look;
355 	if (message->FindInt32("window look", (int32*)&look) == B_OK)
356 		SetLook(look);
357 
358 	// restore orientation
359 	int32 orientation;
360 	if (message->FindInt32("orientation", &orientation) == B_OK)
361 		fPadView->SetOrientation((enum orientation)orientation);
362 
363 	// restore icon size
364 	int32 iconSize;
365 	if (message->FindInt32("icon size", &iconSize) == B_OK)
366 		fPadView->SetIconSize(iconSize);
367 
368 	// restore ignore double click
369 	bool ignoreDoubleClick;
370 	if (message->FindBool("ignore double click", &ignoreDoubleClick) == B_OK)
371 		fPadView->SetIgnoreDoubleClick(ignoreDoubleClick);
372 
373 	// restore buttons
374 	const char* path;
375 	bool buttonAdded = false;
376 	for (int32 i = 0; message->FindString("path", i, &path) >= B_OK; i++) {
377 		LaunchButton* button = new LaunchButton("launch button", fLastID++,
378 			NULL, new BMessage(MSG_LAUNCH));
379 		fPadView->AddButton(button);
380 		BString signature;
381 		if (message->FindString("signature", i, &signature) >= B_OK
382 			&& signature.CountChars() > 0)  {
383 			button->SetTo(signature.String(), true);
384 		}
385 
386 		entry_ref ref;
387 		BEntry entry(&ref, true);
388 		if (entry.Exists())
389 			button->SetTo(&ref);
390 
391 		const char* text;
392 		if (message->FindString("description", i, &text) >= B_OK)
393 			button->SetDescription(text);
394 		buttonAdded = true;
395 	}
396 
397 	// restore auto raise setting
398 	bool autoRaise;
399 	if (message->FindBool("auto raise", &autoRaise) == B_OK && autoRaise)
400 		ToggleAutoRaise();
401 
402 	// store workspace setting
403 	bool showOnAllWorkspaces;
404 	if (message->FindBool("all workspaces", &showOnAllWorkspaces) == B_OK)
405 		fShowOnAllWorkspaces = showOnAllWorkspaces;
406 		SetWorkspaces(showOnAllWorkspaces
407 			? B_ALL_WORKSPACES : 1L << current_workspace());
408 	if (!fShowOnAllWorkspaces) {
409 		uint32 workspaces;
410 		if (message->FindInt32("workspaces", (int32*)&workspaces) == B_OK)
411 			SetWorkspaces(workspaces);
412 	}
413 
414 	return buttonAdded;
415 }
416 
417 
418 void
419 MainWindow::SaveSettings(BMessage* message)
420 {
421 	// make sure the positioning info is correct
422 	_GetLocation();
423 	// store window position
424 	if (message->ReplacePoint("window position", fScreenPosition) != B_OK)
425 		message->AddPoint("window position", fScreenPosition);
426 
427 	if (message->ReplaceFloat("border distance", fBorderDist) != B_OK)
428 		message->AddFloat("border distance", fBorderDist);
429 
430 	// store window frame
431 	if (message->ReplaceRect("window frame", Frame()) != B_OK)
432 		message->AddRect("window frame", Frame());
433 
434 	// store name panel frame
435 	if (message->ReplaceRect("name panel frame", fNamePanelFrame) != B_OK)
436 		message->AddRect("name panel frame", fNamePanelFrame);
437 
438 	if (message->ReplaceInt32("window look", Look()) != B_OK)
439 		message->AddInt32("window look", Look());
440 
441 	// store orientation
442 	if (message->ReplaceInt32("orientation",
443 			(int32)fPadView->Orientation()) != B_OK)
444 		message->AddInt32("orientation", (int32)fPadView->Orientation());
445 
446 	// store icon size
447 	if (message->ReplaceInt32("icon size", fPadView->IconSize()) != B_OK)
448 		message->AddInt32("icon size", fPadView->IconSize());
449 
450 	// store ignore double click
451 	if (message->ReplaceBool("ignore double click",
452 			fPadView->IgnoreDoubleClick()) != B_OK) {
453 		message->AddBool("ignore double click", fPadView->IgnoreDoubleClick());
454 	}
455 
456 	// store buttons
457 	message->RemoveName("path");
458 	message->RemoveName("description");
459 	message->RemoveName("signature");
460 	for (int32 i = 0; LaunchButton* button = fPadView->ButtonAt(i); i++) {
461 		BPath path(button->Ref());
462 		if (path.InitCheck() >= B_OK)
463 			message->AddString("path", path.Path());
464 		else
465 			message->AddString("path", "");
466 		message->AddString("description", button->Description());
467 
468 		if (button->AppSignature())
469 			message->AddString("signature", button->AppSignature());
470 		else
471 			message->AddString("signature", "");
472 	}
473 
474 	// store auto raise setting
475 	if (message->ReplaceBool("auto raise", fAutoRaise) != B_OK)
476 		message->AddBool("auto raise", fAutoRaise);
477 
478 	// store workspace setting
479 	if (message->ReplaceBool("all workspaces", fShowOnAllWorkspaces) != B_OK)
480 		message->AddBool("all workspaces", fShowOnAllWorkspaces);
481 	if (message->ReplaceInt32("workspaces", Workspaces()) != B_OK)
482 		message->AddInt32("workspaces", Workspaces());
483 }
484 
485 
486 void
487 MainWindow::_GetLocation()
488 {
489 	BRect frame = Frame();
490 	BPoint origin = frame.LeftTop();
491 	BPoint center(origin.x + frame.Width() / 2.0,
492 		origin.y + frame.Height() / 2.0);
493 	BScreen screen(this);
494 	BRect screenFrame = screen.Frame();
495 	fScreenPosition.x = center.x / screenFrame.Width();
496 	fScreenPosition.y = center.y / screenFrame.Height();
497 	if (fabs(0.5 - fScreenPosition.x) > fabs(0.5 - fScreenPosition.y)) {
498 		// nearest to left or right border
499 		if (fScreenPosition.x < 0.5)
500 			fBorderDist = frame.left - screenFrame.left;
501 		else
502 			fBorderDist = screenFrame.right - frame.right;
503 	} else {
504 		// nearest to top or bottom border
505 		if (fScreenPosition.y < 0.5)
506 			fBorderDist = frame.top - screenFrame.top;
507 		else
508 			fBorderDist = screenFrame.bottom - frame.bottom;
509 	}
510 }
511 
512 
513 void
514 MainWindow::_AdjustLocation(BRect frame)
515 {
516 	BScreen screen(this);
517 	BRect screenFrame = screen.Frame();
518 	BPoint center(fScreenPosition.x * screenFrame.Width(),
519 		fScreenPosition.y * screenFrame.Height());
520 	BPoint frameCenter(frame.left + frame.Width() / 2.0,
521 		frame.top + frame.Height() / 2.0);
522 	frame.OffsetBy(center - frameCenter);
523 	// ignore border dist when distance too large
524 	if (fBorderDist < 10.0) {
525 		// see which border we mean depending on screen position
526 		BPoint offset(0.0, 0.0);
527 		if (fabs(0.5 - fScreenPosition.x) > fabs(0.5 - fScreenPosition.y)) {
528 			// left or right border
529 			if (fScreenPosition.x < 0.5)
530 				offset.x = (screenFrame.left + fBorderDist) - frame.left;
531 			else
532 				offset.x = (screenFrame.right - fBorderDist) - frame.right;
533 		} else {
534 			// top or bottom border
535 			if (fScreenPosition.y < 0.5)
536 				offset.y = (screenFrame.top + fBorderDist) - frame.top;
537 			else
538 				offset.y = (screenFrame.bottom - fBorderDist) - frame.bottom;
539 		}
540 		frame.OffsetBy(offset);
541 	}
542 
543 	make_sure_frame_is_on_screen(frame, this);
544 
545 	MoveTo(frame.LeftTop());
546 	ResizeTo(frame.Width(), frame.Height());
547 }
548 
549 
550 void
551 MainWindow::_AddDefaultButtons()
552 {
553 	// Mail
554 	LaunchButton* button = new LaunchButton("launch button", fLastID++, NULL,
555 		new BMessage(MSG_LAUNCH));
556 	fPadView->AddButton(button);
557 	button->SetTo("application/x-vnd.Be-MAIL", true);
558 
559 	// StyledEdit
560 	button = new LaunchButton("launch button", fLastID++, NULL,
561 		new BMessage(MSG_LAUNCH));
562 	fPadView->AddButton(button);
563 	button->SetTo("application/x-vnd.Haiku-StyledEdit", true);
564 
565 	// ShowImage
566 	button = new LaunchButton("launch button", fLastID++, NULL,
567 		new BMessage(MSG_LAUNCH));
568 	fPadView->AddButton(button);
569 	button->SetTo("application/x-vnd.Haiku-ShowImage", true);
570 
571 	// MediaPlayer
572 	button = new LaunchButton("launch button", fLastID++, NULL,
573 		new BMessage(MSG_LAUNCH));
574 	fPadView->AddButton(button);
575 	button->SetTo("application/x-vnd.Haiku-MediaPlayer", true);
576 
577 	// DeskCalc
578 	button = new LaunchButton("launch button", fLastID++, NULL,
579 		new BMessage(MSG_LAUNCH));
580 	fPadView->AddButton(button);
581 	button->SetTo("application/x-vnd.Haiku-DeskCalc", true);
582 
583 	// Terminal
584 	button = new LaunchButton("launch button", fLastID++, NULL,
585 		new BMessage(MSG_LAUNCH));
586 	fPadView->AddButton(button);
587 	button->SetTo("application/x-vnd.Haiku-Terminal", true);
588 }
589 
590 
591 void
592 MainWindow::_AddEmptyButtons()
593 {
594 	LaunchButton* button = new LaunchButton("launch button", fLastID++, NULL,
595 		new BMessage(MSG_LAUNCH));
596 	fPadView->AddButton(button);
597 
598 	button = new LaunchButton("launch button", fLastID++, NULL,
599 		new BMessage(MSG_LAUNCH));
600 	fPadView->AddButton(button);
601 
602 	button = new LaunchButton("launch button", fLastID++, NULL,
603 		new BMessage(MSG_LAUNCH));
604 	fPadView->AddButton(button);
605 }
606 
607 
608 void
609 MainWindow::_NotifySettingsChanged()
610 {
611 	be_app->PostMessage(MSG_SETTINGS_CHANGED);
612 }
613 
614