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comparison window/event.cc @ 0:223b71206888

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author thib
date Fri, 01 Aug 2008 16:32:45 +0000
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children 01aa5ddf7dc8
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-1:000000000000 0:223b71206888
1 /*
2 * Copyright (c) 2004-2006 Kazunori "jagarl" Ueno
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 * 3. The name of the author may not be used to endorse or promote products
14 * derived from this software without specific prior written permission.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
17 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
18 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
19 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
20 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
21 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
22 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
23 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
24 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
25 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26 */
27
28 #include"SDL.h"
29 #include"event.h"
30 #include<vector>
31 #include<list>
32 #include<algorithm>
33 #include<iostream>
34 #include<sys/stat.h>
35
36 using namespace std;
37
38 extern bool save_req = false, load_req = false, grpdump_req = false; // scn2k/scn2k_impl.cc: キーボードからセーブ・ロードできるように
39 extern bool pressAreq=false,pressFreq=false,pressDreq=false;
40 namespace Event {
41 /* Impl: struct Event::Video */
42
43 Video::Video(Container& container) : region(0, 0, 0, 0), z(0), parent(container) {
44 activated = false;
45 parent.Add(this);
46 }
47 Video::Video(Container& container, const Rect& init_rect) : region(init_rect), z(0), parent(container) {
48 activated = false;
49 parent.Add(this);
50 }
51 Video::Video(Container& container, const Rect& init_rect, int _z) : region(init_rect), z(_z), parent(container) {
52 activated = false;
53 parent.Add(this);
54 }
55 Video::~Video() {
56 parent.Delete(this);
57 };
58 void Video::SetRegion(const Rect& new_rect) {
59 region = new_rect;
60 }
61 void Video::SetZ(int new_z) {
62 z = new_z;
63 }
64 void Video::activate(void) {
65 activated = true;
66 }
67 void Video::deactivate(void) {
68 activated = false;
69 }
70 inline int Video::point_in(int x, int y) {
71 if (!activated) return -1;
72 if (region.point_in(x,y)) return z;
73 else return -1;
74 }
75
76 /* カーソルの動く順序：上、左の順に準位付け */
77 bool operator <(const Video& pos1, const Video& pos2) {
78 if (pos1.region.ty < pos2.region.ty) return true;
79 if (pos1.region.ty == pos2.region.ty) return pos1.region.lx < pos2.region.lx;
80 if (pos1.region.by >= pos2.region.by) return pos1.region.lx <= pos2.region.lx;
81 return false;
82 }
83
84
85 /* Impl: struct Event::Time */
86 Time::Time(Container& container) : wakeup_time(container.current_time), parent(container) {
87 parent.Add(this);
88 }
89 Time::~Time() {
90 parent.Delete(this);
91 }
92 /* Define: struct Event::ContainerImpl */
93
94 struct ContainerImplTime_Item {
95 Time* instance;
96 bool valid;
97 bool operator ==(Time* const& to) const {
98 return to == instance;
99 }
100 ContainerImplTime_Item(Time* _time) :
101 instance(_time), valid(true) {
102 }
103 };
104
105 class ContainerImplTime : private vector<ContainerImplTime_Item> {
106 public:
107 ContainerImplTime(void);
108 bool Exec(unsigned int current_time);
109 void Add(Time* new_event);
110 void Delete(Time* delete_event);
111 private:
112 static vector<ContainerImplTime_Item> new_item;
113 unsigned int prev_execed_time;
114 static bool is_invalid(const_reference value) {
115 return !value.valid;
116 }
117 };
118
119 vector<ContainerImplTime_Item> ContainerImplTime::new_item;
120
121 ContainerImplTime::ContainerImplTime(void) {
122 prev_execed_time = 0;
123 }
124 void ContainerImplTime::Add(Time* event) {
125 ContainerImplTime_Item item(event);
126 new_item.push_back(item);
127 }
128 void ContainerImplTime::Delete(Time* delete_event) {
129 iterator it = find(begin(), end(), delete_event);
130 if (it != end()) {
131 it->valid = false;
132 it->instance = 0;
133 return;
134 }
135 it = find(new_item.begin(), new_item.end(), delete_event);
136 if (it != end()) {
137 it->valid = false;
138 it->instance = 0;
139 return;
140 }
141 return;
142 }
143 bool ContainerImplTime::Exec(unsigned int current_time) {
144 if (current_time == Time::NEVER_WAKE) return true;
145 // 呼び出しまでに作製されたitemを追加
146 insert(end(), new_item.begin(), new_item.end());
147 new_item.clear();
148 if (empty()) return true;
149 if (current_time == Time::FRAME_UPDATE) { // ビデオフレームの更新時
150 for (iterator it = begin(); it != end(); it++) {
151 if (! it->valid) continue;
152
153 unsigned tm = it->instance->Wakeup();
154 if (tm == Time::FRAME_UPDATE) {
155 it->instance->Elapsed(prev_execed_time);
156 }
157 }
158 } else { // 時間変化時
159 if (current_time < prev_execed_time) prev_execed_time = 0; /* 時間が一回りして０に戻ったとき */
160 for (iterator it = begin(); it != end(); it++) {
161 if (! it->valid) continue;
162 unsigned tm = it->instance->Wakeup();
163 if (tm >= prev_execed_time && tm < current_time) {
164 it->instance->Elapsed(current_time);
165 }
166 }
167 prev_execed_time = current_time;
168 }
169 // 処理中に削除された item を実際に削除
170 erase(remove_if(begin(), end(), is_invalid), end());
171 return true;
172 }
173
174
175 class ContainerImplVideo : private vector<Video*> {
176 public:
177 bool Exec(void);
178
179 ContainerImplVideo(void);
180 ~ContainerImplVideo();
181 void Add(Video* item);
182 void Delete(Video* item);
183 void RegisterGlobalMotionFunc(Container::motionfunc, void* pointer);
184 void DeleteGlobalMotionFunc(Container::motionfunc, void* pointer);
185 void RegisterGlobalPressFunc(Container::motionfunc, void* pointer);
186 void DeleteGlobalPressFunc(Container::motionfunc, void* pointer);
187 private:
188 struct Motionfunc {
189 Container::motionfunc func;
190 void* pointer;
191 bool operator ==(const Motionfunc& m) const { return func == m.func && pointer == m.pointer;}
192 };
193 list<Motionfunc> motion_vec;
194 list<Motionfunc> press_vec;
195 typedef list<Motionfunc>::iterator MotionIterator;
196 bool is_sorted;
197 public:
198 int button_pressed;
199 int button_released;
200 int mouse_x, mouse_y;
201 int new_mouse_x, new_mouse_y;
202 private:
203 void SetChanged(void);
204 static bool SortLess(const Video* pos1, const Video* pos2) {
205 return pos1 < pos2;
206 }
207 void Sort(void);
208 void Motion(int x, int y); // mouse motion
209 void Press(void);
210 void TakeScreenshot(void);
211 iterator cur_pos;
212 Video* cur_item; // 現在のフォーカス位置
213 int cur_pressed_x, cur_pressed_y;
214 };
215
216 void ContainerImplVideo::SetChanged(void) {
217 if (is_sorted) {
218 if (cur_item) {
219 cur_pos = find(begin(), end(), cur_item);
220 if (cur_pos == end()) cur_item = 0;
221 }
222 is_sorted = false;
223 }
224 }
225
226 void ContainerImplVideo::Sort(void) {
227 sort(begin(), end(), SortLess);
228 if (cur_item) {
229 cur_pos = lower_bound(begin(), end(), cur_item, SortLess);
230 } else {
231 cur_pos = end();
232 }
233 is_sorted = true;
234 }
235
236 ContainerImplVideo::ContainerImplVideo(void) {
237 is_sorted = false;
238 button_pressed = 0;
239 button_released = 0;
240 cur_item = 0;
241 mouse_x = 0; mouse_y = 0;
242 new_mouse_x = 0; new_mouse_y = 0;
243 }
244 ContainerImplVideo::~ContainerImplVideo(void) {
245 };
246 void ContainerImplVideo::Add(Video* event) {
247 push_back(event);
248 SetChanged();
249 }
250 void ContainerImplVideo::Delete(Video* delete_event) {
251 iterator it = find(begin(), end(), delete_event);
252 if (it != end()) {
253 erase(it);
254 SetChanged();
255 } else {
256 fprintf(stderr,"\nXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX\n");
257 fprintf(stderr,"X ContainerImplVideo: Cannot delete node %x\n",delete_event);
258 fprintf(stderr,"XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX\n\n");
259 fprintf(stderr,"vector from:\n");
260 for(it=begin(); it!=end(); it++) {
261 fprintf(stderr,"%x, ",*it);
262 }
263 fprintf(stderr,"\n");
264 }
265 if (delete_event == cur_item) {
266 cur_pos = end();
267 cur_item = 0;
268 Motion(mouse_x, mouse_y);
269 }
270 return;
271 }
272 void ContainerImplVideo::RegisterGlobalMotionFunc(Container::motionfunc func, void* pointer) {
273 Motionfunc f;
274 f.func = func;
275 f.pointer = pointer;
276 if (find(motion_vec.begin(), motion_vec.end(), f) == motion_vec.end()) {
277 motion_vec.push_back(f);
278 }
279 }
280 void ContainerImplVideo::DeleteGlobalMotionFunc(Container::motionfunc func, void* pointer) {
281 Motionfunc f;
282 f.func = func;
283 f.pointer = pointer;
284 list<Motionfunc>::iterator it = find(motion_vec.begin(), motion_vec.end(), f);
285 if (it != motion_vec.end())
286 motion_vec.erase(it);
287 return;
288 }
289 void ContainerImplVideo::RegisterGlobalPressFunc(Container::motionfunc func, void* pointer) {
290 Motionfunc f;
291 f.func = func;
292 f.pointer = pointer;
293 if (find(press_vec.begin(), press_vec.end(), f) == press_vec.end()) {
294 press_vec.push_back(f);
295 }
296 }
297 void ContainerImplVideo::DeleteGlobalPressFunc(Container::motionfunc func, void* pointer) {
298 Motionfunc f;
299 f.func = func;
300 f.pointer = pointer;
301 list<Motionfunc>::iterator it = find(press_vec.begin(), press_vec.end(), f);
302 if (it != press_vec.end())
303 press_vec.erase(it);
304 return;
305 }
306 void ContainerImplVideo::Motion(int x, int y) {
307 mouse_x = x; mouse_y = y;
308 MotionIterator mit;
309 for (mit=motion_vec.begin(); mit != motion_vec.end();) {
310 MotionIterator mit_next = mit;
311 mit_next++;
312 if (!(*mit->func)(x, y, mit->pointer)) motion_vec.erase(mit);
313 mit = mit_next;
314
315 }
316
317 /* @@@ ドラッグ処理とマウスを押す処理のバッティングで「二回ボタンを押さないと云々」関連のバグの可能性あり */
318 if (button_pressed & (1<<MOUSE_LEFT)) {
319 if (cur_item) cur_item->Drag(cur_pressed_x, cur_pressed_y, x, y);
320 return;
321 }
322 if (cur_item) cur_item->Motion(x,y);
323 int z = -1; iterator z_it;
324 iterator it;
325 for (it = begin(); it != end(); it++) {
326 int new_z = (*it)->point_in(x, y);
327 if (z < new_z) {
328 z = new_z;
329 z_it = it;
330 }
331 }
332 if (z != -1) {
333 if (cur_item == *z_it) return;
334 if (cur_item) cur_item->Out();
335 cur_pos = z_it;
336 cur_item = *z_it;
337 cur_item->In();
338 return;
339 } else {
340 if (cur_item) cur_item->Out();
341 cur_pos = end();
342 cur_item = 0;
343 }
344 return;
345 }
346
347 void ContainerImplVideo::Press(void) {
348 if (cur_item) {
349 cur_pressed_x = mouse_x;
350 cur_pressed_y = mouse_y;
351 cur_item->Press();
352 return;
353 }
354 MotionIterator mit;
355 for (mit=press_vec.begin(); mit != press_vec.end(); ) {
356 MotionIterator mit_next = mit;
357 mit_next++;
358 if (!(*mit->func)(mouse_x, mouse_y, mit->pointer)) {
359 press_vec.erase(mit);
360 }
361 mit = mit_next;
362 }
363 }
364 void ContainerImplVideo::TakeScreenshot(void) {
365 int n=0;
366 char filename[1024];
367 struct stat buffer;
368 for(n=0; n<9999; n++) {
369 // XXX: put screenshots in a seperate dir?
370 sprintf(filename, "xclannad_%04i.bmp", n);
371 if(stat(filename, &buffer) == -1) break;
372 }
373 SDL_SaveBMP(SDL_GetVideoSurface(), filename);
374 }
375 bool ContainerImplVideo::Exec(void) {
376
377 bool is_mouse_motion = false;
378 int motion_x = 0, motion_y = 0;
379 SDL_Event event;
380 SDL_PumpEvents();
381 while(SDL_PeepEvents(&event, 1, SDL_GETEVENT, SDL_ALLEVENTS) == 1) {
382 switch(event.type) {
383 case SDL_QUIT: return false; // @@@ なにかやらないと
384 case SDL_ACTIVEEVENT: // なにもしない
385 // cout<<"active : gain "<<int(event.active.gain)<<", state "<<int(event.active.state)<<endl;
386 break;
387 case SDL_KEYDOWN:
388 if (!is_sorted) Sort();
389 switch(event.key.keysym.sym) {
390 case SDLK_F12:
391 case SDLK_PRINT:
392 case SDLK_p: // for Zaurus
393 TakeScreenshot();
394 break;
395 // Some window managers (eg enlightenment) use Alt-Enter for
396 // themselves, F11 is a good alternative
397 case SDLK_F11:
398 SDL_WM_ToggleFullScreen(SDL_GetVideoSurface());
399 break;
400 case SDLK_RETURN:
401 if (SDL_GetModState() & KMOD_ALT) {
402 SDL_WM_ToggleFullScreen(SDL_GetVideoSurface());
403 break;
404 }
405 case SDLK_SPACE:
406 Press();
407 break;
408 case SDLK_TAB: // move to next widget
409 if (cur_pos != end()) cur_pos++;
410 if (cur_pos == end()) cur_pos = begin();
411 if (cur_pos != end()) {
412 cur_item = *cur_pos;
413 cur_item->In();
414 } else {
415 cur_item = 0;
416 }
417 break;
418 case SDLK_LEFT: if (cur_pos != end()) (*cur_pos)->KeyLeft(); break;
419 case SDLK_RIGHT:if (cur_pos != end()) (*cur_pos)->KeyRight(); break;
420 case SDLK_LSHIFT: case SDLK_RSHIFT: button_pressed |= (1<<KEY_SHIFT); break;
421 case SDLK_ESCAPE: button_pressed |= (1<<MOUSE_RIGHT); break; /* for Zaurus */
422 case SDLK_s: save_req = true; break;
423 case SDLK_l: load_req = true; break;
424 case SDLK_g: grpdump_req = true; break;
425 case SDLK_a: pressAreq = true; break;
426 case SDLK_d: pressDreq = true; break;
427 case SDLK_f: pressFreq = true; break;
428 }
429 break;
430 case SDL_KEYUP:
431 // cout << "keyup which "<<int(event.key.which)<<", sym "<<int(event.key.keysym.sym)<<endl;
432 switch(event.key.keysym.sym) {
433 case SDLK_RETURN: case SDLK_SPACE:
434 if (cur_item) cur_item->Release();
435 case SDLK_LSHIFT: case SDLK_RSHIFT: button_pressed &= ~(1<<KEY_SHIFT); button_released |= 1<<KEY_SHIFT; break;
436 case SDLK_ESCAPE: button_pressed &= ~(1<<MOUSE_RIGHT); button_released |= 1<<MOUSE_RIGHT; break; /* for Zaurus */
437 }
438 break;
439 case SDL_MOUSEMOTION:
440 motion_x = event.motion.x;
441 motion_y = event.motion.y;
442 is_mouse_motion = true;
443 // Motion(event.motion.x, event.motion.y);
444 // cout<< "motion which "<<int(event.motion.which)<<
445 // "x "<<event.motion.x << "y "<<event.motion.y<<endl;
446 break;
447 case SDL_MOUSEBUTTONUP:
448 if (event.button.button == 1) {
449 Motion(event.button.x, event.button.y);
450 is_mouse_motion = false;
451 if (cur_item) cur_item->Release();
452 }
453 switch(event.button.button) {
454 case 1: button_pressed &= ~(1<<MOUSE_LEFT); button_released |= 1<<MOUSE_LEFT; break;
455 case 2: button_pressed &= ~(1<<MOUSE_MIDDLE); button_released |= 1<<MOUSE_MIDDLE; break;
456 case 3: button_pressed &= ~(1<<MOUSE_RIGHT); button_released |= 1<<MOUSE_RIGHT; break;
457 case 4: button_pressed &= ~(1<<MOUSE_UP); button_released |= 1<<MOUSE_UP; break;
458 case 5: button_pressed &= ~(1<<MOUSE_DOWN); button_released |= 1<<MOUSE_DOWN; break;
459 }
460 break;
461 case SDL_MOUSEBUTTONDOWN:
462 if (event.button.button == 1) {
463 Motion(event.button.x, event.button.y);
464 is_mouse_motion = false;
465 Press();
466 }
467 switch(event.button.button) {
468 case 1: button_pressed |= (1<<MOUSE_LEFT); break;
469 case 2: button_pressed |= (1<<MOUSE_MIDDLE); break;
470 case 3: button_pressed |= (1<<MOUSE_RIGHT); break;
471 case 4: button_pressed |= (1<<MOUSE_UP); break;
472 case 5: button_pressed |= (1<<MOUSE_DOWN); break;
473 }
474 // cout << "mouse which "<<int(event.button.which)<<"button "<<int(event.button.button)<<
475 // "state "<<int(event.button.state)<<"x "<<event.button.x << "y "<<event.button.y<<endl;
476 break;
477 case SDL_VIDEOEXPOSE: // redraw の必要がある？
478 // cout<<"expose."<<endl;
479 break;
480 }
481 }
482 // Motion 呼び出しは一回だけ
483 if (is_mouse_motion)
484 Motion(motion_x, motion_y);
485 return true;
486 };
487 /* Impl: struct Event::Container */
488 Container::Container(void) {
489 pimpl_video = new ContainerImplVideo;
490 try {
491 pimpl_time = new ContainerImplTime;
492 } catch(...) {
493 delete pimpl_video;
494 throw;
495 }
496 button_pressed = 0;
497 current_time = 0;
498 int i; for (i=0; i<BUTTON_MAX; i++) button_presscount[i] = 0;
499 return;
500 }
501 Container::~Container(void) {
502 delete pimpl_video;
503 delete pimpl_time;
504 }
505 void Container::Add(Video* item) {
506 pimpl_video->Add(item);
507 }
508 void Container::Delete(Video* item) {
509 pimpl_video->Delete(item);
510 }
511 void Container::Add(Time* item) {
512 pimpl_time->Add(item);
513 }
514 void Container::Delete(Time* item) {
515 pimpl_time->Delete(item);
516 }
517 void Container::RegisterGlobalMotionFunc(Container::motionfunc f, void* pointer) {
518 pimpl_video->RegisterGlobalMotionFunc(f, pointer);
519 }
520 void Container::DeleteGlobalMotionFunc(Container::motionfunc f, void* pointer) {
521 pimpl_video->DeleteGlobalMotionFunc(f, pointer);
522 }
523 void Container::RegisterGlobalPressFunc(Container::motionfunc f, void* pointer) {
524 pimpl_video->RegisterGlobalPressFunc(f, pointer);
525 }
526 void Container::DeleteGlobalPressFunc(Container::motionfunc f, void* pointer) {
527 pimpl_video->DeleteGlobalPressFunc(f, pointer);
528 }
529 bool Container::Exec(unsigned int time) {
530 current_time = time;
531 bool ret = true;
532 ret = ret && pimpl_video->Exec();
533 ret = ret && pimpl_time->Exec(time);
534 int i; int mask = 1;
535 int new_button_pressed = pimpl_video->button_pressed;
536 for (i=0; i<BUTTON_MAX; i++) {
537 if (pimpl_video->button_released&mask) {
538 button_presscount[i]++;
539 }
540 mask <<= 1;
541 }
542 pimpl_video->button_released = 0;
543 button_pressed = pimpl_video->button_pressed;
544 return ret;
545 }
546
547 void Container::MousePos(int& x, int& y) {
548 x = pimpl_video->mouse_x;
549 y = pimpl_video->mouse_y;
550 }
551
552 bool Container::pressed(int mask) {
553 if (mask < 0 || mask >= BUTTON_MAX) return 0;
554 return (button_pressed & (1<<mask)) != 0;
555 }
556 bool Container::presscount(int mask) {
557 if (mask < 0 || mask >= BUTTON_MAX) return 0;
558 int count = button_presscount[mask];
559 button_presscount[mask] = 0;
560 return count;
561 }
562
563 }; /* end of namespace Container */
564
565 // 問題：
566 // z 軸と xy 軸の相互干渉；高速化
567 // 移動するウィジット描画の高速化
568 // キャッシュ
569 // 文字列の一部のみ更新の高速化
570 // 「階層 z で x なる領域無効化、y なる領域生成」で良い？＞Expose