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10 * Nokia Corporation - initial contribution. |
10 * Nokia Corporation - initial contribution. |
11 * |
11 * |
12 * Contributors: |
12 * Contributors: |
13 * |
13 * |
14 * Description: CMmGrid declaration |
14 * Description: CMmGrid declaration |
15 * Version : %version: MM_32.1.20 % << Don't touch! Updated by Synergy at check-out. |
15 * Version : %version: MM_32.1.22 % << Don't touch! Updated by Synergy at check-out. |
16 * |
16 * |
17 */ |
17 */ |
18 |
18 |
19 |
19 |
20 #ifndef C_MMGRID_H |
20 #ifndef C_MMGRID_H |
396 * The reason such method is needed is that view rectangle is shifted |
396 * The reason such method is needed is that view rectangle is shifted |
397 * to the right in mirrored layout and does not cover the scrollbar |
397 * to the right in mirrored layout and does not cover the scrollbar |
398 * area. In normal (non-mirrored) mode this method does nothing. |
398 * area. In normal (non-mirrored) mode this method does nothing. |
399 */ |
399 */ |
400 void RedrawScrollbarBackground() const; |
400 void RedrawScrollbarBackground() const; |
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401 |
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402 /** |
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403 * Does actual handling of scroll events. |
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404 * |
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405 * @param aScrollBar Scrollbar being scrolled. |
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406 * @param aEventType Type of scrollbar event. |
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407 */ |
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408 void ProcessScrollEventL( CEikScrollBar* aScrollBar, |
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409 TEikScrollEvent aEventType ); |
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410 |
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411 /** |
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412 * Handles periodic events from @c iRedrawTimer. |
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413 * Such events are generated at equal time intervals while |
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414 * the view is being scrolled using the scrollbar. |
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415 * This function typically calls @c ProcessScrollEventL, |
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416 * which actually scrolls the view and causes a redraw. |
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417 */ |
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418 void HandleRedrawTimerEvent(); |
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419 |
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420 private: |
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421 /** |
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422 * Callback function for @c iRedrawTimer. |
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423 * It simply calls @c HandleRedrawTimerEvent and returns 0. |
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424 * |
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425 * @param aPtr A pointer to CMmGrid object. |
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426 * @return 0 (always). |
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427 */ |
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428 static TInt RedrawTimerCallback( TAny* aPtr ); |
401 |
429 |
402 private: |
430 private: |
403 /** |
431 /** |
404 * Grid model. |
432 * Grid model. |
405 */ |
433 */ |
446 /** |
474 /** |
447 * Blocks scrollbar drawing. When this flag is set scrollbars components |
475 * Blocks scrollbar drawing. When this flag is set scrollbars components |
448 * are blocked in the CountComponentControls() method; |
476 * are blocked in the CountComponentControls() method; |
449 */ |
477 */ |
450 TBool iDisableChildComponentDrawing; |
478 TBool iDisableChildComponentDrawing; |
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479 |
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480 /** |
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481 * This member is only used in edit mode to store the position of the pointer |
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482 * during EButton1Down event. |
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483 */ |
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484 TPoint iButton1DownPos; |
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485 |
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486 /** |
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487 * ETrue if the view is being scrolled with the scrollbar. |
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488 */ |
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489 TBool iScrollbarThumbIsBeingDragged; |
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490 |
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491 /** |
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492 * Stores the number of scrollbar events that were ignored. |
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493 * It is only used while scrolling the view using scrollbar, |
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494 * in such situation the scroll events that this object receives |
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495 * are ignored, and actual scrolling is done only when |
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496 * iRedrawTimer completes. |
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497 */ |
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498 TInt iSkippedScrollbarEventsCount; |
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499 |
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500 /** |
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501 * A timer that initiates redraws at certain time intervals. |
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502 * It is used to refresh the view while scrolling with |
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503 * the scrollbar. |
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504 */ |
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505 CPeriodic* iRedrawTimer; |
451 }; |
506 }; |
452 |
507 |
453 #endif // C_MMGRID_H |
508 #endif // C_MMGRID_H |