interpreter/preprocessor/faust-0.9.47mr3/architecture/iPhone/CocoaUI.h

   1 /************************************************************************
   2
   3         IMPORTANT NOTE : this file contains two clearly delimited sections :
   4         the ARCHITECTURE section (in two parts) and the USER section. Each section
   5         is governed by its own copyright and license. Please check individually
   6         each section for license and copyright information.
   7 *************************************************************************/
   8
   9 /*******************BEGIN ARCHITECTURE SECTION (part 1/2)****************/
  10
  11 /************************************************************************
  12     FAUST Architecture File
  13         Copyright (C) 2004-2011 GRAME, Centre National de Creation Musicale
  14     ---------------------------------------------------------------------
  15     This Architecture section is free software; you can redistribute it
  16     and/or modify it under the terms of the GNU Lesser General Public
  17         License as published by the Free Software Foundation; either version 3
  18         of the License, or (at your option) any later version.
  19
  20     This program is distributed in the hope that it will be useful,
  21     but WITHOUT ANY WARRANTY; without even the implied warranty of
  22     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  23     GNU Lesser General Public License for more details.
  24
  25     You should have received a copy of the GNU Lesser General Public License
  26         along with this program; If not, see <http://www.gnu.org/licenses/>.
  27
  28         EXCEPTION : As a special exception, you may create a larger work
  29         that contains this FAUST architecture section and distribute
  30         that work under terms of your choice, so long as this FAUST
  31         architecture section is not modified.
  32
  33
  34  ************************************************************************
  35  ************************************************************************/
  36
  37 #import <UIKit/UIKit.h>
  38 #import "iPhoneViewController.h"
  39
  40 #include "misc.h"
  41
  42 #include <list>
  43 #include <map>
  44
  45 using namespace std;
  46
  47 /******************************************************************************
  48 *******************************************************************************
  49
  50                                                                 GRAPHIC USER INTERFACE (v2)
  51                                                                   abstract interfaces
  52
  53 *******************************************************************************
  54 *******************************************************************************/
  55
  56 //typedef void (*uiCallback)(float val, void* data);
  57
  58 //=================
  59 // COCOA part
  60 //=================
  61
  62 class UI;
  63
  64 @interface uiItem : NSObject
  65 {
  66         UI* fGUI;
  67         float* fZone;
  68         float fCache;
  69 }
  70
  71 - (id)initWithValues:(UI*)ui:(float*)zone;
  72 - (void)modifyZone:(float)v;
  73 - (float)cache;
  74 - (void)reflectZone;
  75
  76 @end
  77
  78 /**
  79  * Graphic User Interface : abstract definition
  80  */
  81
  82 class UI
  83 {
  84         typedef list<uiItem*> clist;
  85         typedef map<float*, clist*> zmap;
  86
  87  protected:
  88
  89         static list<UI*> fGuiList;
  90         zmap fZoneMap;
  91         bool fStopped;
  92
  93  public:
  94
  95         UI() : fStopped(false)
  96     {
  97                 fGuiList.push_back(this);
  98         }
  99
 100         virtual ~UI()
 101     {
 102                 // suppression de this dans fGuiList
 103         }
 104
 105         // -- registerZone(z,c) : zone management
 106
 107         void registerZone(float* z, uiItem* c)
 108         {
 109         if (fZoneMap.find(z) == fZoneMap.end()) {
 110             fZoneMap[z] = new clist();
 111         }
 112                 fZoneMap[z]->push_back(c);
 113         }
 114
 115         // -- saveState(filename) : save the value of every zone to a file
 116
 117         void saveState(const char* filename)
 118         {
 119                 ofstream f(filename);
 120
 121         if (!f.is_open()) {
 122         } else {
 123             for (zmap::iterator i = fZoneMap.begin(); i != fZoneMap.end(); i++) {
 124                 f << *(i->first) << ' ';
 125             }
 126         }
 127
 128                 f << endl;
 129                 f.close();
 130         }
 131
 132         // -- recallState(filename) : load the value of every zone from a file
 133
 134         void recallState(const char* filename)
 135         {
 136                 ifstream f(filename);
 137                 if (f.good()) {
 138             for (zmap::iterator i = fZoneMap.begin(); i != fZoneMap.end(); i++) {
 139                                 f >> *(i->first);
 140                         }
 141                 }
 142                 f.close();
 143         updateAllZones();
 144         }
 145
 146         void updateAllZones();
 147
 148         void updateZone(float* z);
 149
 150         static void updateAllGuis()
 151         {
 152                 list<UI*>::iterator g;
 153                 for (g = fGuiList.begin(); g != fGuiList.end(); g++) {
 154                         (*g)->updateAllZones();
 155                 }
 156         }
 157
 158     // -- active widgets
 159
 160     virtual void addButton(const char* label, float* zone) = 0;
 161     virtual void addToggleButton(const char* label, float* zone) = 0;
 162     virtual void addCheckButton(const char* label, float* zone) = 0;
 163     virtual void addVerticalSlider(const char* label, float* zone, float init, float min, float max, float step) = 0;
 164     virtual void addHorizontalSlider(const char* label, float* zone, float init, float min, float max, float step) = 0;
 165     virtual void addNumEntry(const char* label, float* zone, float init, float min, float max, float step) = 0;
 166
 167     // -- passive widgets
 168
 169     virtual void addNumDisplay(const char* label, float* zone, int precision) = 0;
 170     virtual void addTextDisplay(const char* label, float* zone, const char* names[], float min, float max) = 0;
 171     virtual void addHorizontalBargraph(const char* label, float* zone, float min, float max) = 0;
 172     virtual void addVerticalBargraph(const char* label, float* zone, float min, float max) = 0;
 173
 174     //void addCallback(float* zone, uiCallback foo, void* data);
 175
 176     // -- widget's layouts
 177
 178     virtual void openFrameBox(const char* label) = 0;
 179     virtual void openTabBox(const char* label) = 0;
 180     virtual void openHorizontalBox(const char* label) = 0;
 181     virtual void openVerticalBox(const char* label) = 0;
 182
 183     // -- extra widget's layouts
 184
 185     virtual void openDialogBox(const char* label, float* zone) = 0;
 186     virtual void openEventBox(const char* label) = 0;
 187     virtual void openHandleBox(const char* label) = 0;
 188     virtual void openExpanderBox(const char* label, float* zone) = 0;
 189
 190     virtual void closeBox() = 0;
 191
 192     virtual void show() {};
 193     virtual void run() {};
 194
 195         void stop()             { fStopped = true; }
 196         bool stopped()  { return fStopped; }
 197
 198     virtual void declare(float* zone, const char* key, const char* value) {}
 199 };
 200
 201 /**
 202  * Update all user items reflecting zone z
 203  */
 204
 205 void UI::updateZone(float* z)
 206 {
 207         float v = *z;
 208         clist* l = fZoneMap[z];
 209
 210         for (clist::iterator c = l->begin(); c != l->end(); c++) {
 211                 if ([(*c) cache] != v) [(*c) reflectZone];
 212         }
 213 }
 214
 215 /**
 216  * Update all user items not up to date
 217  */
 218
 219 inline void UI::updateAllZones()
 220 {
 221         for (zmap::iterator m = fZoneMap.begin(); m != fZoneMap.end(); m++) {
 222                 float*  z = m->first;
 223                 clist*  l = m->second;
 224                 float   v = *z;
 225                 for (clist::iterator c = l->begin(); c != l->end(); c++) {
 226                         if ([(*c) cache] != v) [(*c) reflectZone];
 227                 }
 228         }
 229 }
 230
 231 /*
 232 inline void UI::addCallback(float* zone, uiCallback foo, void* data)
 233 {
 234         new uiCallbackItem(this, zone, foo, data);
 235 };
 236 */
 237
 238 #define WIDGET_SLICE    50.f
 239 #define OFFSET_Y        80.f
 240
 241 #define SCREEN_WIDTH    320
 242 #define SCREEN_HEIGHT   480
 243
 244 @implementation uiItem
 245
 246 - (id)initWithValues:(UI*)ui:(float*)zone
 247 {
 248     fGUI = ui;
 249     fZone = zone;
 250     fCache = -123456.654321;
 251     ui->registerZone(zone, self);
 252     return self;
 253 }
 254
 255 - (void)modifyZone:(float)v
 256 {
 257     fCache = v;
 258
 259     if (*fZone != v) {
 260         *fZone = v;
 261         fGUI->updateZone(fZone);
 262     }
 263 }
 264
 265 - (float)cache
 266 {
 267     return fCache;
 268 }
 269
 270 // To implement in subclasses
 271
 272 - (void)reflectZone
 273 {}
 274
 275 @end
 276
 277 // -------------------------- Slider -----------------------------------
 278
 279 @interface uiSlider : uiItem
 280 {
 281     UISlider* fSlider;
 282     UITextField* fTextField;
 283 }
 284
 285 - (void)changed:(UISlider*)sender;
 286 - (void)reflectZone;
 287 - (id)initWithValues:(int)index:(UI*)ui:(iPhoneViewController*)controler:(const char*)label:(float*)zone:(float)init:(float)min:(float)max:(float)step;
 288
 289 @end
 290
 291 @implementation uiSlider
 292
 293 - (id)initWithValues:(int)index:(UI*)ui:(iPhoneViewController*)controler:(const char*)name:(float*)zone:(float)init:(float)min:(float)max:(float)step
 294 {
 295     if (self = [super initWithValues:ui:zone]) {
 296
 297         CGRect labelFrame = CGRectMake(0.0, OFFSET_Y + WIDGET_SLICE * index - 5.f, 130.0, 30.0);
 298         UILabel *label = [[UILabel alloc] initWithFrame:labelFrame];
 299         [label setFont:[UIFont boldSystemFontOfSize:12]];
 300         label.textAlignment = UITextAlignmentCenter;
 301         [label setText:[[NSString alloc] initWithCString:name encoding:NSASCIIStringEncoding]];
 302         label.textColor = [UIColor blackColor ];
 303         label.backgroundColor = [UIColor lightGrayColor];
 304         [controler.view addSubview:label];
 305
 306         CGRect frame = CGRectMake(130.0f, OFFSET_Y + WIDGET_SLICE * index, 110.0f, 7.0f);
 307         fSlider = [[UISlider alloc] initWithFrame:frame];
 308         [fSlider addTarget:self action:@selector(changed:)forControlEvents:UIControlEventValueChanged];
 309         fSlider.minimumValue = min;
 310         fSlider.maximumValue = max;
 311         fSlider.continuous = YES;
 312         fSlider.value = init;
 313         [controler.view addSubview:fSlider];
 314
 315         CGRect textFieldFrame = CGRectMake(250.0, OFFSET_Y + WIDGET_SLICE * index, 60.0, 20.0);
 316         fTextField = [[UITextField alloc] initWithFrame:textFieldFrame];
 317         [fTextField setBorderStyle:UITextBorderStyleLine];
 318         fTextField.textAlignment = UITextAlignmentCenter;
 319         [fTextField setEnabled:NO];
 320         [fTextField setTextColor:[UIColor blackColor]];
 321         [fTextField setFont:[UIFont systemFontOfSize:14]];
 322         [fTextField setPlaceholder:[NSString stringWithFormat:@"%1.2f", init]];
 323         [fTextField setBackgroundColor:[UIColor whiteColor]];
 324         [fTextField setAdjustsFontSizeToFitWidth:YES];
 325         fTextField.keyboardType = UIKeyboardTypeNumbersAndPunctuation;
 326         [controler.view addSubview:fTextField];
 327     }
 328     return self;
 329 }
 330
 331 - (void)changed:(UISlider*)sender
 332 {
 333     [self modifyZone:sender.value];
 334     [fTextField setPlaceholder:[NSString stringWithFormat:@"%1.2f", sender.value]];
 335 }
 336
 337 - (void)reflectZone;
 338 {
 339     float v = *fZone;
 340     fCache = v;
 341     fSlider.value = v;
 342     [fTextField setPlaceholder:[NSString stringWithFormat:@"%1.2f", v]];
 343 }
 344
 345 - (void)dealloc
 346 {
 347     [fSlider release];
 348     [fTextField release];
 349     [super dealloc];
 350 }
 351
 352 @end
 353
 354 // --------------------------- Press button ---------------------------
 355
 356 #define kStdButtonWidth         100.0
 357 #define kStdButtonHeight        40.0
 358
 359 @interface uiButton : uiItem
 360 {
 361     UIButton* fButton;
 362 }
 363
 364 - (void)pressed:(UIButton*)sender;
 365 - (void)released:(UIButton*)sender;
 366 - (void)reflectZone;
 367 - (id)initWithValues:(int)index:(UI*)ui:(iPhoneViewController*)controler:(const char*)label:(float*)zone;
 368
 369 @end
 370
 371 @implementation uiButton
 372
 373 - (id)initWithValues:(int)index:(UI*)ui:(iPhoneViewController*)controler:(const char*)name:(float*)zone
 374 {
 375      if (self = [super initWithValues:ui:zone]) {
 376         fButton = [[UIButton buttonWithType:UIButtonTypeRoundedRect] retain];
 377                 fButton.frame = CGRectMake(SCREEN_WIDTH/2 - kStdButtonWidth/2, OFFSET_Y + WIDGET_SLICE * index - 5.f, kStdButtonWidth, kStdButtonHeight);
 378         [fButton setTitle:[[NSString alloc] initWithCString:name encoding:NSASCIIStringEncoding] forState:UIControlStateNormal];
 379                 fButton.backgroundColor = [UIColor clearColor];
 380             [fButton addTarget:self action:@selector(pressed:) forControlEvents:UIControlEventTouchDown];
 381         [fButton addTarget:self action:@selector(released:) forControlEvents:UIControlEventTouchUpInside];
 382         [controler.view addSubview:fButton];
 383     }
 384     return self;
 385 }
 386
 387 - (void)pressed:(UIButton*)sender
 388 {
 389    [self modifyZone:1.0f];
 390 }
 391
 392 - (void)released:(UIButton*)sender
 393 {
 394    [self modifyZone:0.0f];
 395 }
 396
 397 - (void)reflectZone
 398 {
 399     float v = *fZone;
 400     fCache = v;
 401     //if (v > 0.0) gtk_button_pressed(fButton); else gtk_button_released(fButton);
 402 }
 403
 404 - (void)dealloc
 405 {
 406     [fButton release];
 407     [super dealloc];
 408 }
 409
 410 @end
 411
 412 // ------------------------------ Num Entry -----------------------------------
 413
 414 @interface uiNumEntry : uiItem
 415 {
 416     UITextField* fTextField;
 417 }
 418
 419 - (id)initWithValues:(int)index:(UI*)ui:(iPhoneViewController*)controler:(const char*)label:(float*)zone:(float)init:(float)min:(float)max:(float)step;
 420
 421 @end
 422
 423 @implementation uiNumEntry
 424
 425 - (id)initWithValues:(int)index:(UI*)ui:(iPhoneViewController*)controler:(const char*)label:(float*)zone:(float)init:(float)min:(float)max:(float)step
 426 {
 427     if (self = [super initWithValues:ui:zone]) {
 428         CGRect textFieldFrame = CGRectMake(SCREEN_WIDTH/2 - kStdButtonWidth/2, OFFSET_Y + WIDGET_SLICE * index - 5.f, kStdButtonWidth, kStdButtonHeight);
 429         fTextField = [[UITextField alloc] initWithFrame:textFieldFrame];
 430         [fTextField setTextColor:[UIColor blackColor]];
 431         [fTextField setFont:[UIFont systemFontOfSize:14]];
 432         [fTextField setPlaceholder:@"<enter text>"];
 433         [fTextField setBackgroundColor:[UIColor whiteColor]];
 434         fTextField.keyboardType = UIKeyboardTypeDefault;
 435
 436         [controler.view addSubview:fTextField];
 437     }
 438     return self;
 439 }
 440
 441 - (void)dealloc
 442 {
 443     [fTextField release];
 444     [super dealloc];
 445 }
 446
 447 @end
 448
 449
 450 class CocoaUI : public UI
 451 {
 452
 453 private:
 454
 455     UIWindow* fWindow;
 456     iPhoneViewController* fViewController;
 457     MY_Meta* fMetadata;
 458
 459     list <uiItem*> fWidgetList;
 460
 461     void insert(const char* label, uiItem* widget)
 462         {
 463          fWidgetList.push_back(widget);
 464          [fViewController.view setContentSize:CGSizeMake(320, WIDGET_SLICE * fWidgetList.size() + 100.f)];
 465     }
 466
 467 public:
 468
 469     // -- Labels and metadata
 470
 471     // virtual void declare (float* zone, const char* key, const char* value);
 472     // virtual int checkLabelOptions (GtkWidget* widget, const string& fullLabel, string& simplifiedLabel);
 473     // virtual void checkForTooltip (float* zone, GtkWidget* widget);
 474
 475     // -- layout groups
 476
 477     CocoaUI(UIWindow* window, iPhoneViewController* viewController, MY_Meta* metadata)
 478     {
 479         fViewController = viewController;
 480         fWindow = window;
 481         fMetadata = metadata;
 482
 483          CGRect titleFrame = CGRectMake(0.0, 0.0f, 320.0, 75.0);
 484          UIView *titleView = [[UIView alloc] initWithFrame:titleFrame];
 485          titleView.backgroundColor = [UIColor brownColor];
 486          [fViewController.view addSubview:titleView];
 487
 488         if (fMetadata->find("name") != fMetadata->end()) {
 489             const char* name = (*fMetadata->find("name")).second;
 490             CGRect labelFrame = CGRectMake(0.0, 20.0f, 320.0, 30.0);
 491             UILabel *label = [[UILabel alloc] initWithFrame:labelFrame];
 492             [label setFont:[UIFont boldSystemFontOfSize:18]];
 493             label.textAlignment = UITextAlignmentCenter;
 494             [label setText:[[NSString alloc] initWithCString:name encoding:NSASCIIStringEncoding]];
 495             label.textColor = [UIColor blackColor ];
 496             label.backgroundColor = [UIColor brownColor];
 497             [fViewController.view addSubview:label];
 498         }
 499
 500         if (fMetadata->find("author") != fMetadata->end()) {
 501             const char* name = (*fMetadata->find("author")).second;
 502             CGRect labelFrame = CGRectMake(0.0, 45.0f, 320.0, 30.0);
 503             UILabel *label = [[UILabel alloc] initWithFrame:labelFrame];
 504             [label setFont:[UIFont boldSystemFontOfSize:14]];
 505             label.textAlignment = UITextAlignmentCenter;
 506             [label setText:[[NSString alloc] initWithCString:name encoding:NSASCIIStringEncoding]];
 507             label.textColor = [UIColor blackColor ];
 508             label.backgroundColor = [UIColor brownColor];
 509             [fViewController.view addSubview:label];
 510         }
 511
 512         [window addSubview:viewController.view];
 513         [window makeKeyAndVisible];
 514     }
 515
 516     ~CocoaUI()
 517     {
 518         [fViewController release];
 519         [fWindow release];
 520     }
 521
 522     virtual void openFrameBox(const char* label)
 523     {}
 524     virtual void openTabBox(const char* label = "")
 525     {}
 526     virtual void openHorizontalBox(const char* label = "")
 527     {}
 528     virtual void openVerticalBox(const char* label = "")
 529     {}
 530
 531     // -- extra widget's layouts
 532
 533     virtual void openDialogBox(const char* label, float* zone)
 534     {}
 535     virtual void openEventBox(const char* label = "")
 536     {}
 537     virtual void openHandleBox(const char* label = "")
 538     {}
 539     virtual void openExpanderBox(const char* label, float* zone)
 540     {}
 541
 542     virtual void closeBox()
 543     {}
 544
 545     //virtual void adjustStack(int n);
 546
 547     // -- active widgets
 548
 549     virtual void addButton(const char* label, float* zone)
 550     {
 551         uiItem* item = [[uiButton alloc] initWithValues:fWidgetList.size():this:fViewController:label:zone];
 552         insert(label, item);
 553     }
 554     virtual void addToggleButton(const char* label, float* zone)
 555     {}
 556     virtual void addCheckButton(const char* label, float* zone)
 557     {}
 558     virtual void addVerticalSlider(const char* label, float* zone, float init, float min, float max, float step)
 559     {
 560         uiItem* item = [[uiSlider alloc] initWithValues:fWidgetList.size():this:fViewController:label:zone:init:min:max:step];
 561         insert(label, item);
 562     }
 563     virtual void addHorizontalSlider(const char* label, float* zone, float init, float min, float max, float step)
 564     {
 565         uiItem* item = [[uiSlider alloc] initWithValues:fWidgetList.size():this:fViewController:label:zone:init:min:max:step];
 566         insert(label, item);
 567     }
 568     virtual void addNumEntry(const char* label, float* zone, float init, float min, float max, float step)
 569     {
 570         uiItem* item = [[uiNumEntry alloc] initWithValues:fWidgetList.size():this:fViewController:label:zone:init:min:max:step];
 571         insert(label, item);
 572     }
 573
 574     // -- passive display widgets
 575
 576     virtual void addNumDisplay(const char* label, float* zone, int precision)
 577     {}
 578     virtual void addTextDisplay(const char* label, float* zone, const char* names[], float min, float max)
 579     {}
 580     virtual void addHorizontalBargraph(const char* label, float* zone, float min, float max)
 581     {}
 582     virtual void addVerticalBargraph(const char* label, float* zone, float min, float max)
 583     {}
 584
 585     virtual void show()
 586     {}
 587     virtual void run()
 588     {}
 589
 590     virtual void declare(float* zone, const char* key, const char* value)
 591     {}
 592
 593 };
 594
 595
 596 // global static fields
 597
 598 list<UI*>                   UI::fGuiList;
 599
 600 /*
 601 bool                        GTKUI::fInitialized = false;
 602 map<float*, float>          GTKUI::fGuiSize;
 603 map<float*, string>         GTKUI::fTooltip;
 604 */