annotate view/View.h @ 1050:3691af49291c 3.0-integration

Start including Vamp SDK into main build, as we do with Sonic Annotator
author Chris Cannam
date Fri, 18 Mar 2016 14:25:05 +0000
parents 4e5c1c326794
children f535f6e5dbb0
rev   line source
Chris@127 1 /* -*- c-basic-offset: 4 indent-tabs-mode: nil -*- vi:set ts=8 sts=4 sw=4: */
Chris@127 2
Chris@127 3 /*
Chris@127 4 Sonic Visualiser
Chris@127 5 An audio file viewer and annotation editor.
Chris@127 6 Centre for Digital Music, Queen Mary, University of London.
Chris@127 7 This file copyright 2006 Chris Cannam.
Chris@127 8
Chris@127 9 This program is free software; you can redistribute it and/or
Chris@127 10 modify it under the terms of the GNU General Public License as
Chris@127 11 published by the Free Software Foundation; either version 2 of the
Chris@127 12 License, or (at your option) any later version. See the file
Chris@127 13 COPYING included with this distribution for more information.
Chris@127 14 */
Chris@127 15
Chris@226 16 #ifndef _VIEW_H_
Chris@226 17 #define _VIEW_H_
Chris@127 18
Chris@127 19 #include <QFrame>
Chris@127 20 #include <QProgressBar>
Chris@127 21
Chris@916 22 #include "LayerGeometryProvider.h"
Chris@916 23
Chris@127 24 #include "base/ZoomConstraint.h"
Chris@127 25 #include "base/PropertyContainer.h"
Chris@128 26 #include "ViewManager.h"
Chris@127 27 #include "base/XmlExportable.h"
Chris@902 28 #include "base/BaseTypes.h"
Chris@127 29
Chris@127 30 // #define DEBUG_VIEW_WIDGET_PAINT 1
Chris@127 31
Chris@127 32 class Layer;
Chris@127 33 class ViewPropertyContainer;
Chris@127 34
Chris@797 35 class QPushButton;
Chris@797 36
Chris@127 37 #include <map>
Chris@315 38 #include <set>
Chris@127 39
Chris@127 40 /**
Chris@127 41 * View is the base class of widgets that display one or more
Chris@127 42 * overlaid views of data against a horizontal time scale.
Chris@127 43 *
Chris@127 44 * A View may have any number of attached Layers, each of which
Chris@127 45 * is expected to have one data Model (although multiple views may
Chris@127 46 * share the same model).
Chris@127 47 *
Chris@127 48 * A View may be panned in time and zoomed, although the
Chris@127 49 * mechanisms for doing so (as well as any other operations and
Chris@127 50 * properties available) depend on the subclass.
Chris@127 51 */
Chris@127 52
Chris@127 53 class View : public QFrame,
Chris@916 54 public XmlExportable,
Chris@916 55 public LayerGeometryProvider
Chris@127 56 {
Chris@127 57 Q_OBJECT
Chris@127 58
Chris@127 59 public:
Chris@127 60 /**
Chris@127 61 * Deleting a View does not delete any of its layers. They should
Chris@127 62 * be managed elsewhere (e.g. by the Document).
Chris@127 63 */
Chris@127 64 virtual ~View();
Chris@1044 65
Chris@1044 66 /**
Chris@1044 67 * Retrieve the id of this object. Views have their own unique
Chris@1044 68 * ids, but ViewProxy objects share the id of their View.
Chris@1044 69 */
Chris@1044 70 int getId() const { return m_id; }
Chris@1030 71
Chris@127 72 /**
Chris@127 73 * Retrieve the first visible sample frame on the widget.
Chris@127 74 * This is a calculated value based on the centre-frame, widget
Chris@127 75 * width and zoom level. The result may be negative.
Chris@127 76 */
Chris@902 77 sv_frame_t getStartFrame() const;
Chris@127 78
Chris@127 79 /**
Chris@127 80 * Set the widget pan based on the given first visible frame. The
Chris@127 81 * frame value may be negative.
Chris@127 82 */
Chris@902 83 void setStartFrame(sv_frame_t);
Chris@127 84
Chris@127 85 /**
Chris@127 86 * Return the centre frame of the visible widget. This is an
Chris@127 87 * exact value that does not depend on the zoom block size. Other
Chris@127 88 * frame values (start, end) are calculated from this based on the
Chris@127 89 * zoom and other factors.
Chris@127 90 */
Chris@902 91 sv_frame_t getCentreFrame() const { return m_centreFrame; }
Chris@127 92
Chris@127 93 /**
Chris@127 94 * Set the centre frame of the visible widget.
Chris@127 95 */
Chris@902 96 void setCentreFrame(sv_frame_t f) { setCentreFrame(f, true); }
Chris@127 97
Chris@127 98 /**
Chris@127 99 * Retrieve the last visible sample frame on the widget.
Chris@127 100 * This is a calculated value based on the centre-frame, widget
Chris@127 101 * width and zoom level.
Chris@127 102 */
Chris@902 103 sv_frame_t getEndFrame() const;
Chris@127 104
Chris@127 105 /**
Chris@127 106 * Return the pixel x-coordinate corresponding to a given sample
Chris@127 107 * frame (which may be negative).
Chris@127 108 */
Chris@902 109 int getXForFrame(sv_frame_t frame) const;
Chris@127 110
Chris@127 111 /**
Chris@127 112 * Return the closest frame to the given pixel x-coordinate.
Chris@127 113 */
Chris@902 114 sv_frame_t getFrameForX(int x) const;
Chris@127 115
Chris@127 116 /**
Chris@1030 117 * Return the closest pixel x-coordinate corresponding to a given
Chris@1030 118 * view x-coordinate. Default is no scaling, ViewProxy handles
Chris@1030 119 * scaling case.
Chris@1030 120 */
Chris@1030 121 int getXForViewX(int viewx) const { return viewx; }
Chris@1030 122
Chris@1030 123 /**
Chris@1030 124 * Return the closest view x-coordinate corresponding to a given
Chris@1030 125 * pixel x-coordinate. Default is no scaling, ViewProxy handles
Chris@1030 126 * scaling case.
Chris@1030 127 */
Chris@1030 128 int getViewXForX(int x) const { return x; }
Chris@1030 129
Chris@1030 130 /**
Chris@127 131 * Return the pixel y-coordinate corresponding to a given
Chris@127 132 * frequency, if the frequency range is as specified. This does
Chris@127 133 * not imply any policy about layer frequency ranges, but it might
Chris@127 134 * be useful for layers to match theirs up if desired.
Chris@127 135 *
Chris@127 136 * Not thread-safe in logarithmic mode. Call only from GUI thread.
Chris@127 137 */
Chris@904 138 double getYForFrequency(double frequency, double minFreq, double maxFreq,
Chris@127 139 bool logarithmic) const;
Chris@127 140
Chris@127 141 /**
Chris@127 142 * Return the closest frequency to the given pixel y-coordinate,
Chris@127 143 * if the frequency range is as specified.
Chris@127 144 *
Chris@127 145 * Not thread-safe in logarithmic mode. Call only from GUI thread.
Chris@127 146 */
Chris@904 147 double getFrequencyForY(int y, double minFreq, double maxFreq,
Chris@127 148 bool logarithmic) const;
Chris@127 149
Chris@127 150 /**
Chris@127 151 * Return the zoom level, i.e. the number of frames per pixel
Chris@127 152 */
Chris@127 153 int getZoomLevel() const;
Chris@127 154
Chris@127 155 /**
Chris@127 156 * Set the zoom level, i.e. the number of frames per pixel. The
Chris@127 157 * centre frame will be unchanged; the start and end frames will
Chris@127 158 * change.
Chris@127 159 */
Chris@806 160 virtual void setZoomLevel(int z);
Chris@127 161
Chris@127 162 /**
Chris@127 163 * Zoom in or out.
Chris@127 164 */
Chris@127 165 virtual void zoom(bool in);
Chris@127 166
Chris@127 167 /**
Chris@127 168 * Scroll left or right by a smallish or largish amount.
Chris@127 169 */
Chris@510 170 virtual void scroll(bool right, bool lots, bool doEmit = true);
Chris@127 171
Chris@834 172 /**
Chris@834 173 * Add a layer to the view. (Normally this should be handled
Chris@834 174 * through some command abstraction instead of using this function
Chris@834 175 * directly.)
Chris@834 176 */
Chris@127 177 virtual void addLayer(Layer *v);
Chris@834 178
Chris@834 179 /**
Chris@834 180 * Remove a layer from the view. Does not delete the
Chris@834 181 * layer. (Normally this should be handled through some command
Chris@834 182 * abstraction instead of using this function directly.)
Chris@834 183 */
Chris@834 184 virtual void removeLayer(Layer *v);
Chris@834 185
Chris@834 186 /**
Chris@834 187 * Return the number of layers, regardless of whether visible or
Chris@834 188 * dormant, i.e. invisible, in this view.
Chris@834 189 */
Chris@902 190 virtual int getLayerCount() const { return int(m_layerStack.size()); }
Chris@127 191
Chris@127 192 /**
Chris@834 193 * Return the nth layer, counted in stacking order. That is,
Chris@834 194 * layer 0 is the bottom layer and layer "getLayerCount()-1" is
Chris@834 195 * the top one. The returned layer may be visible or it may be
Chris@834 196 * dormant, i.e. invisible.
Chris@127 197 */
Chris@277 198 virtual Layer *getLayer(int n) {
Chris@902 199 if (in_range_for(m_layerStack, n)) return m_layerStack[n];
Chris@835 200 else return 0;
Chris@277 201 }
Chris@127 202
Chris@127 203 /**
Chris@835 204 * Return the nth layer, counted in the order they were
Chris@835 205 * added. Unlike the stacking order used in getLayer(), which
Chris@835 206 * changes each time a layer is selected, this ordering remains
Chris@835 207 * fixed. The returned layer may be visible or it may be dormant,
Chris@835 208 * i.e. invisible.
Chris@268 209 */
Chris@835 210 virtual Layer *getFixedOrderLayer(int n) {
Chris@835 211 if (n < int(m_fixedOrderLayers.size())) return m_fixedOrderLayers[n];
Chris@835 212 else return 0;
Chris@268 213 }
Chris@268 214
Chris@268 215 /**
Chris@834 216 * Return the layer currently active for tool interaction. This is
Chris@834 217 * the topmost non-dormant (i.e. visible) layer in the view. If
Chris@834 218 * there are no visible layers in the view, return 0.
Chris@834 219 */
Chris@834 220 virtual Layer *getInteractionLayer();
Chris@834 221
Chris@841 222 virtual const Layer *getInteractionLayer() const;
Chris@841 223
Chris@834 224 /**
Chris@835 225 * Return the layer most recently selected by the user. This is
Chris@835 226 * the layer that any non-tool-driven commands should operate on,
Chris@835 227 * in the case where this view is the "current" one.
Chris@835 228 *
Chris@835 229 * If the user has selected the view itself more recently than any
Chris@835 230 * of the layers on it, this function will return 0, and any
Chris@835 231 * non-tool-driven layer commands should be deactivated while this
Chris@835 232 * view is current. It will also return 0 if there are no layers
Chris@835 233 * in the view.
Chris@834 234 *
Chris@834 235 * Note that, unlike getInteractionLayer(), this could return an
Chris@834 236 * invisible (dormant) layer.
Chris@127 237 */
Chris@127 238 virtual Layer *getSelectedLayer();
Chris@834 239
Chris@127 240 virtual const Layer *getSelectedLayer() const;
Chris@127 241
Chris@835 242 /**
Chris@835 243 * Return the "top" layer in the view, whether visible or dormant.
Chris@835 244 * This is the same as getLayer(getLayerCount()-1) if there is at
Chris@835 245 * least one layer, and 0 otherwise.
Chris@835 246 *
Chris@835 247 * For most purposes involving interaction or commands, you
Chris@835 248 * probably want either getInteractionLayer() or
Chris@835 249 * getSelectedLayer() instead.
Chris@835 250 */
Chris@835 251 virtual Layer *getTopLayer() {
Chris@835 252 return m_layerStack.empty() ? 0 : m_layerStack[m_layerStack.size()-1];
Chris@835 253 }
Chris@835 254
Chris@127 255 virtual void setViewManager(ViewManager *m);
Chris@908 256 virtual void setViewManager(ViewManager *m, sv_frame_t initialFrame);
Chris@127 257 virtual ViewManager *getViewManager() const { return m_manager; }
Chris@127 258
Chris@127 259 virtual void setFollowGlobalPan(bool f);
Chris@127 260 virtual bool getFollowGlobalPan() const { return m_followPan; }
Chris@127 261
Chris@127 262 virtual void setFollowGlobalZoom(bool f);
Chris@127 263 virtual bool getFollowGlobalZoom() const { return m_followZoom; }
Chris@127 264
Chris@224 265 virtual bool hasLightBackground() const;
Chris@287 266 virtual QColor getForeground() const;
Chris@287 267 virtual QColor getBackground() const;
Chris@127 268
Chris@127 269 virtual void drawVisibleText(QPainter &p, int x, int y,
Chris@267 270 QString text, TextStyle style) const;
Chris@267 271
Chris@270 272 virtual void drawMeasurementRect(QPainter &p, const Layer *,
Chris@270 273 QRect rect, bool focus) const;
Chris@127 274
Chris@741 275 virtual bool shouldShowFeatureLabels() const {
Chris@741 276 return m_manager && m_manager->shouldShowFeatureLabels();
Chris@741 277 }
Chris@127 278 virtual bool shouldIlluminateLocalFeatures(const Layer *, QPoint &) const {
Chris@127 279 return false;
Chris@127 280 }
Chris@127 281 virtual bool shouldIlluminateLocalSelection(QPoint &, bool &, bool &) const {
Chris@127 282 return false;
Chris@127 283 }
Chris@127 284
Chris@127 285 virtual void setPlaybackFollow(PlaybackFollowMode m);
Chris@127 286 virtual PlaybackFollowMode getPlaybackFollow() const { return m_followPlay; }
Chris@127 287
Chris@127 288 typedef PropertyContainer::PropertyName PropertyName;
Chris@127 289
Chris@127 290 // We implement the PropertyContainer API, although we don't
Chris@127 291 // actually subclass PropertyContainer. We have our own
Chris@127 292 // PropertyContainer that we can return on request that just
Chris@127 293 // delegates back to us.
Chris@127 294 virtual PropertyContainer::PropertyList getProperties() const;
Chris@127 295 virtual QString getPropertyLabel(const PropertyName &) const;
Chris@127 296 virtual PropertyContainer::PropertyType getPropertyType(const PropertyName &) const;
Chris@127 297 virtual int getPropertyRangeAndValue(const PropertyName &,
Chris@216 298 int *min, int *max, int *deflt) const;
Chris@127 299 virtual QString getPropertyValueLabel(const PropertyName &,
Chris@127 300 int value) const;
Chris@127 301 virtual void setProperty(const PropertyName &, int value);
Chris@127 302 virtual QString getPropertyContainerName() const {
Chris@127 303 return objectName();
Chris@127 304 }
Chris@127 305 virtual QString getPropertyContainerIconName() const = 0;
Chris@127 306
Chris@806 307 virtual int getPropertyContainerCount() const;
Chris@127 308
Chris@837 309 // The 0th property container is the view's own; the rest are the
Chris@837 310 // layers in fixed-order series
Chris@806 311 virtual const PropertyContainer *getPropertyContainer(int i) const;
Chris@806 312 virtual PropertyContainer *getPropertyContainer(int i);
Chris@127 313
Chris@229 314 // Render the contents on a wide canvas
Chris@908 315 virtual QImage *toNewImage(sv_frame_t f0, sv_frame_t f1);
Chris@226 316 virtual QImage *toNewImage();
Chris@908 317 virtual QSize getImageSize(sv_frame_t f0, sv_frame_t f1);
Chris@229 318 virtual QSize getImageSize();
Chris@226 319
Chris@127 320 virtual int getTextLabelHeight(const Layer *layer, QPainter &) const;
Chris@127 321
Chris@904 322 virtual bool getValueExtents(QString unit, double &min, double &max,
Chris@127 323 bool &log) const;
Chris@127 324
Chris@316 325 virtual void toXml(QTextStream &stream, QString indent = "",
Chris@316 326 QString extraAttributes = "") const;
Chris@127 327
Chris@222 328 // First frame actually in model, to right of scale, if present
Chris@902 329 virtual sv_frame_t getFirstVisibleFrame() const;
Chris@902 330 virtual sv_frame_t getLastVisibleFrame() const;
Chris@222 331
Chris@902 332 sv_frame_t getModelsStartFrame() const;
Chris@902 333 sv_frame_t getModelsEndFrame() const;
Chris@127 334
Chris@915 335 /**
Chris@915 336 * To be called from a layer, to obtain the extent of the surface
Chris@915 337 * that the layer is currently painting to. This may be the extent
Chris@915 338 * of the view (if 1x display scaling is in effect) or of a larger
Chris@915 339 * cached pixmap (if greater display scaling is in effect).
Chris@915 340 */
Chris@915 341 QRect getPaintRect() const;
Chris@915 342
Chris@915 343 QSize getPaintSize() const { return getPaintRect().size(); }
Chris@915 344 int getPaintWidth() const { return getPaintRect().width(); }
Chris@915 345 int getPaintHeight() const { return getPaintRect().height(); }
Chris@915 346
Chris@315 347 typedef std::set<Model *> ModelSet;
Chris@315 348 ModelSet getModels();
Chris@315 349
Chris@301 350 //!!!
Chris@320 351 Model *getAligningModel() const;
Chris@902 352 sv_frame_t alignFromReference(sv_frame_t) const;
Chris@902 353 sv_frame_t alignToReference(sv_frame_t) const;
Chris@902 354 sv_frame_t getAlignedPlaybackFrame() const;
Chris@301 355
Chris@1030 356 void updatePaintRect(QRect r) { update(r); }
Chris@1030 357
Chris@918 358 View *getView() { return this; }
Chris@918 359 const View *getView() const { return this; }
Chris@918 360
Chris@127 361 signals:
Chris@127 362 void propertyContainerAdded(PropertyContainer *pc);
Chris@127 363 void propertyContainerRemoved(PropertyContainer *pc);
Chris@127 364 void propertyContainerPropertyChanged(PropertyContainer *pc);
Chris@197 365 void propertyContainerPropertyRangeChanged(PropertyContainer *pc);
Chris@127 366 void propertyContainerNameChanged(PropertyContainer *pc);
Chris@298 367 void propertyContainerSelected(PropertyContainer *pc);
Chris@127 368 void propertyChanged(PropertyContainer::PropertyName);
Chris@127 369
Chris@336 370 void layerModelChanged();
Chris@336 371
Chris@902 372 void centreFrameChanged(sv_frame_t frame,
Chris@211 373 bool globalScroll,
Chris@211 374 PlaybackFollowMode followMode);
Chris@211 375
Chris@806 376 void zoomLevelChanged(int, bool);
Chris@127 377
Chris@189 378 void contextHelpChanged(const QString &);
Chris@189 379
Chris@127 380 public slots:
Chris@127 381 virtual void modelChanged();
Chris@902 382 virtual void modelChangedWithin(sv_frame_t startFrame, sv_frame_t endFrame);
Chris@127 383 virtual void modelCompletionChanged();
Chris@320 384 virtual void modelAlignmentCompletionChanged();
Chris@127 385 virtual void modelReplaced();
Chris@127 386 virtual void layerParametersChanged();
Chris@197 387 virtual void layerParameterRangesChanged();
Chris@268 388 virtual void layerMeasurementRectsChanged();
Chris@127 389 virtual void layerNameChanged();
Chris@127 390
Chris@902 391 virtual void globalCentreFrameChanged(sv_frame_t);
Chris@902 392 virtual void viewCentreFrameChanged(View *, sv_frame_t);
Chris@902 393 virtual void viewManagerPlaybackFrameChanged(sv_frame_t);
Chris@806 394 virtual void viewZoomLevelChanged(View *, int, bool);
Chris@127 395
Chris@127 396 virtual void propertyContainerSelected(View *, PropertyContainer *pc);
Chris@127 397
Chris@127 398 virtual void selectionChanged();
Chris@127 399 virtual void toolModeChanged();
Chris@133 400 virtual void overlayModeChanged();
Chris@133 401 virtual void zoomWheelsEnabledChanged();
Chris@127 402
Chris@797 403 virtual void cancelClicked();
Chris@797 404
Chris@555 405 virtual void progressCheckStalledTimerElapsed();
Chris@555 406
Chris@127 407 protected:
Chris@127 408 View(QWidget *, bool showProgress);
Chris@1030 409
Chris@1030 410 int m_id;
Chris@1030 411
Chris@127 412 virtual void paintEvent(QPaintEvent *e);
Chris@127 413 virtual void drawSelections(QPainter &);
Chris@127 414 virtual bool shouldLabelSelections() const { return true; }
Chris@908 415 virtual bool render(QPainter &paint, int x0, sv_frame_t f0, sv_frame_t f1);
Chris@339 416 virtual void setPaintFont(QPainter &paint);
Chris@952 417
Chris@952 418 QSize scaledSize(const QSize &s, int factor) {
Chris@952 419 return QSize(s.width() * factor, s.height() * factor);
Chris@952 420 }
Chris@952 421 QRect scaledRect(const QRect &r, int factor) {
Chris@952 422 return QRect(r.x() * factor, r.y() * factor,
Chris@952 423 r.width() * factor, r.height() * factor);
Chris@952 424 }
Chris@339 425
Chris@127 426 typedef std::vector<Layer *> LayerList;
Chris@127 427
Chris@908 428 sv_samplerate_t getModelsSampleRate() const;
Chris@127 429 bool areLayersScrollable() const;
Chris@127 430 LayerList getScrollableBackLayers(bool testChanged, bool &changed) const;
Chris@127 431 LayerList getNonScrollableFrontLayers(bool testChanged, bool &changed) const;
Chris@806 432 int getZoomConstraintBlockSize(int blockSize,
Chris@127 433 ZoomConstraint::RoundingDirection dir =
Chris@127 434 ZoomConstraint::RoundNearest) const;
Chris@127 435
Chris@183 436 // True if the top layer(s) use colours for meaningful things. If
Chris@183 437 // this is the case, selections will be shown using unfilled boxes
Chris@183 438 // rather than with a translucent fill.
Chris@183 439 bool areLayerColoursSignificant() const;
Chris@183 440
Chris@217 441 // True if the top layer has a time axis on the x coordinate (this
Chris@217 442 // is generally the case except for spectrum/slice layers). It
Chris@217 443 // will not be possible to make or display selections if this is
Chris@217 444 // false.
Chris@217 445 bool hasTopLayerTimeXAxis() const;
Chris@217 446
Chris@902 447 bool setCentreFrame(sv_frame_t f, bool doEmit);
Chris@127 448
Chris@902 449 void movePlayPointer(sv_frame_t f);
Chris@511 450
Chris@127 451 void checkProgress(void *object);
Chris@384 452 int getProgressBarWidth() const; // if visible
Chris@127 453
Chris@956 454 int effectiveDevicePixelRatio() const;
Chris@956 455
Chris@902 456 sv_frame_t m_centreFrame;
Chris@127 457 int m_zoomLevel;
Chris@127 458 bool m_followPan;
Chris@127 459 bool m_followZoom;
Chris@127 460 PlaybackFollowMode m_followPlay;
Chris@789 461 bool m_followPlayIsDetached;
Chris@902 462 sv_frame_t m_playPointerFrame;
Chris@127 463 bool m_lightBackground;
Chris@127 464 bool m_showProgress;
Chris@127 465
Chris@127 466 QPixmap *m_cache;
Chris@952 467 QPixmap *m_buffer;
Chris@902 468 sv_frame_t m_cacheCentreFrame;
Chris@127 469 int m_cacheZoomLevel;
Chris@127 470 bool m_selectionCached;
Chris@127 471
Chris@127 472 bool m_deleting;
Chris@127 473
Chris@835 474 LayerList m_layerStack; // I don't own these, but see dtor note above
Chris@835 475 LayerList m_fixedOrderLayers;
Chris@127 476 bool m_haveSelectedLayer;
Chris@127 477
Chris@583 478 QString m_lastError;
Chris@583 479
Chris@127 480 // caches for use in getScrollableBackLayers, getNonScrollableFrontLayers
Chris@127 481 mutable LayerList m_lastScrollableBackLayers;
Chris@127 482 mutable LayerList m_lastNonScrollableBackLayers;
Chris@127 483
Chris@555 484 struct ProgressBarRec {
Chris@797 485 QPushButton *cancel;
Chris@555 486 QProgressBar *bar;
Chris@555 487 int lastCheck;
Chris@555 488 QTimer *checkTimer;
Chris@555 489 };
Chris@555 490 typedef std::map<Layer *, ProgressBarRec> ProgressMap;
Chris@127 491 ProgressMap m_progressBars; // I own the ProgressBars
Chris@127 492
Chris@127 493 ViewManager *m_manager; // I don't own this
Chris@127 494 ViewPropertyContainer *m_propertyContainer; // I own this
Chris@127 495 };
Chris@127 496
Chris@127 497
Chris@127 498 // Use this for delegation, because we can't subclass from
Chris@127 499 // PropertyContainer (which is a QObject) ourselves because of
Chris@127 500 // ambiguity with QFrame parent
Chris@127 501
Chris@127 502 class ViewPropertyContainer : public PropertyContainer
Chris@127 503 {
Chris@127 504 Q_OBJECT
Chris@127 505
Chris@127 506 public:
Chris@127 507 ViewPropertyContainer(View *v);
Chris@728 508 virtual ~ViewPropertyContainer();
Chris@728 509
Chris@127 510 PropertyList getProperties() const { return m_v->getProperties(); }
Chris@127 511 QString getPropertyLabel(const PropertyName &n) const {
Chris@127 512 return m_v->getPropertyLabel(n);
Chris@127 513 }
Chris@127 514 PropertyType getPropertyType(const PropertyName &n) const {
Chris@127 515 return m_v->getPropertyType(n);
Chris@127 516 }
Chris@216 517 int getPropertyRangeAndValue(const PropertyName &n, int *min, int *max,
Chris@216 518 int *deflt) const {
Chris@216 519 return m_v->getPropertyRangeAndValue(n, min, max, deflt);
Chris@127 520 }
Chris@127 521 QString getPropertyValueLabel(const PropertyName &n, int value) const {
Chris@127 522 return m_v->getPropertyValueLabel(n, value);
Chris@127 523 }
Chris@127 524 QString getPropertyContainerName() const {
Chris@127 525 return m_v->getPropertyContainerName();
Chris@127 526 }
Chris@127 527 QString getPropertyContainerIconName() const {
Chris@127 528 return m_v->getPropertyContainerIconName();
Chris@127 529 }
Chris@127 530
Chris@127 531 public slots:
Chris@127 532 virtual void setProperty(const PropertyName &n, int value) {
Chris@127 533 m_v->setProperty(n, value);
Chris@127 534 }
Chris@127 535
Chris@127 536 protected:
Chris@127 537 View *m_v;
Chris@127 538 };
Chris@127 539
Chris@127 540 #endif
Chris@127 541