|
1 /* |
|
2 * Copyright (c) 2010 Ixonos Plc. |
|
3 * All rights reserved. |
|
4 * This component and the accompanying materials are made available |
|
5 * under the terms of the "Eclipse Public License v1.0" |
|
6 * which accompanies this distribution, and is available |
|
7 * at the URL "http://www.eclipse.org/legal/epl-v10.html". |
|
8 * |
|
9 * Initial Contributors: |
|
10 * Nokia Corporation - Initial contribution |
|
11 * |
|
12 * Contributors: |
|
13 * Ixonos Plc |
|
14 * |
|
15 * Description: |
|
16 * |
|
17 */ |
|
18 |
|
19 |
|
20 #ifndef SINGLEPARAMCONTROL_H |
|
21 #define SINGLEPARAMCONTROL_H |
|
22 |
|
23 // INCLUDES |
|
24 #include <eiklabel.h> |
|
25 #include "PreviewControlBase.h" |
|
26 |
|
27 // FORWARD DECLARATIONS |
|
28 class CCoeControl; |
|
29 class CAknView; |
|
30 class MSingleParControlObserver; |
|
31 class CPluginInfo; |
|
32 class CHorizontalSlider; |
|
33 |
|
34 #ifdef RD_TACTILE_FEEDBACK |
|
35 class MTouchFeedback; |
|
36 #endif /* RD_TACTILE_FEEDBACK */ |
|
37 |
|
38 /* CLASS: CSingleParamControl |
|
39 * |
|
40 * CSingleParamControl represents a single parameter adjustment UI control, |
|
41 * that can be used by any of the plug-ins just by defining a UI type to |
|
42 * resource file. |
|
43 */ |
|
44 class CSingleParamControl : public CPreviewControlBase |
|
45 { |
|
46 public: |
|
47 |
|
48 /** @name Methods:*/ |
|
49 //@{ |
|
50 |
|
51 /** NewL factory method, pops cleanupstack |
|
52 * |
|
53 * @param aRect - control rectangle |
|
54 * @param aParent - pointer to window owning control |
|
55 * @param aActionOnButtonRelease - To indicate if rendering should happen only when |
|
56 * the button1 is released, i.e. when dragging has stopped. Default value is false. |
|
57 * @return - pointer to the newly created CSingleParamControl instance |
|
58 */ |
|
59 IMPORT_C static CSingleParamControl * NewL ( |
|
60 const TRect & aRect, |
|
61 CCoeControl * aParent, |
|
62 TBool aActionOnButtonRelease = EFalse |
|
63 ); |
|
64 |
|
65 /** Default constructor |
|
66 * |
|
67 * @param - |
|
68 * @return - |
|
69 */ |
|
70 IMPORT_C CSingleParamControl (); |
|
71 |
|
72 /** Second phase constructor |
|
73 * |
|
74 * @see CImageEditorControlBase |
|
75 */ |
|
76 IMPORT_C virtual void ConstructL ( |
|
77 const TRect & aRect, |
|
78 CCoeControl * aParent, |
|
79 TBool aActionOnButtonRelease |
|
80 ); |
|
81 |
|
82 /** Destructor |
|
83 * |
|
84 * @param - |
|
85 * @return - |
|
86 */ |
|
87 IMPORT_C virtual ~CSingleParamControl (); |
|
88 |
|
89 /* SetView |
|
90 * |
|
91 * @see CImageEditorControlBase |
|
92 */ |
|
93 IMPORT_C virtual void SetView (CAknView * aView); |
|
94 |
|
95 /* SetSelectedUiItemL |
|
96 * |
|
97 * @see CImageEditorControlBase |
|
98 */ |
|
99 IMPORT_C virtual void SetSelectedUiItemL (CPluginInfo * aItem); |
|
100 |
|
101 /* OfferKeyEventL |
|
102 * |
|
103 * @see CImageEditorControlBase |
|
104 */ |
|
105 IMPORT_C virtual TKeyResponse OfferKeyEventL ( |
|
106 const TKeyEvent & aKeyEvent, |
|
107 TEventCode aType |
|
108 ); |
|
109 |
|
110 /** HandlePointerEventL |
|
111 * |
|
112 * @see CCoeControl |
|
113 */ |
|
114 IMPORT_C virtual void HandlePointerEventL( const TPointerEvent &aPointerEvent ); |
|
115 |
|
116 /* SetParObserver |
|
117 * |
|
118 * Sets the MSingleParControlObserver for the control. |
|
119 * |
|
120 * @param aObserver - parameter observer |
|
121 * @return - |
|
122 */ |
|
123 IMPORT_C void SetParObserver (MSingleParControlObserver * aObserver); |
|
124 |
|
125 /* HandlePluginCommandL |
|
126 * |
|
127 * @see CImageEditorControlBase |
|
128 */ |
|
129 IMPORT_C virtual void HandlePluginCommandL (const TInt aCommand); |
|
130 |
|
131 /* GetSoftkeyIndexL |
|
132 * |
|
133 * @see CImageEditorControlBase |
|
134 */ |
|
135 IMPORT_C virtual TInt GetSoftkeyIndexL(); |
|
136 |
|
137 /* GetNaviPaneTextL |
|
138 * |
|
139 * @see CImageEditorControlBase |
|
140 */ |
|
141 IMPORT_C virtual TPtrC GetNaviPaneTextL ( |
|
142 TBool& aLeftNaviPaneScrollButtonVisibile, |
|
143 TBool& aRightNaviPaneScrollButtonVisible); |
|
144 |
|
145 // these functions are for adjusting the slider |
|
146 IMPORT_C void SetSliderMinimumAndMaximum(TInt aMin, TInt aMax); |
|
147 IMPORT_C void SetSliderPosition(TInt aPosition); |
|
148 IMPORT_C void SetSliderStep(TUint aStep); |
|
149 IMPORT_C void SetSliderStepAmount(TUint8 aAmount); |
|
150 IMPORT_C void SetIcon(CEikImage* aIcon); |
|
151 IMPORT_C void SetCaption(const TDesC& aText); |
|
152 IMPORT_C TInt Position() const; |
|
153 |
|
154 // from CCoeControl |
|
155 IMPORT_C TInt CountComponentControls() const; |
|
156 IMPORT_C CCoeControl* ComponentControl(TInt aIndex) const; |
|
157 IMPORT_C void SizeChanged(); |
|
158 |
|
159 //@} |
|
160 |
|
161 protected: |
|
162 |
|
163 private: |
|
164 |
|
165 /** @name Methods:*/ |
|
166 //@{ |
|
167 |
|
168 /* Draw |
|
169 * |
|
170 * @see CImageEditorControlBase |
|
171 */ |
|
172 IMPORT_C virtual void Draw (const TRect & aRect) const; |
|
173 |
|
174 //@} |
|
175 /// Parameter adjustment observer |
|
176 MSingleParControlObserver * iParObserver; |
|
177 |
|
178 IMPORT_C void CountImageSizesAndPositions(); |
|
179 IMPORT_C void MoveSlider(TInt aSteps); |
|
180 |
|
181 protected: |
|
182 |
|
183 /// Plug-in info |
|
184 CPluginInfo* iItem; |
|
185 |
|
186 /// View reference |
|
187 CAknView* iEditorView; |
|
188 |
|
189 /// drag flag |
|
190 TBool iDragging; |
|
191 |
|
192 /// should rendering happen only when the button is released |
|
193 TBool iActionOnButtonRelease; |
|
194 |
|
195 /// touch area |
|
196 TRect iTouchRect; |
|
197 |
|
198 /// minimum value of the slider |
|
199 TInt iMinimumValue; |
|
200 |
|
201 /// maximum value of the slider |
|
202 TInt iMaximumValue; |
|
203 |
|
204 /// step value |
|
205 TUint iStep; |
|
206 TUint iStepInPixels; |
|
207 |
|
208 /// number of steps |
|
209 TUint8 iNumberOfSteps; |
|
210 |
|
211 /// current position |
|
212 TInt iPosition; |
|
213 |
|
214 /// popup graphics |
|
215 RPointerArray<CEikImage> iBorders; |
|
216 |
|
217 /// scrollbar graphics |
|
218 RPointerArray<CEikImage> iScrollBar; |
|
219 |
|
220 /// caption text |
|
221 CEikLabel* iText; |
|
222 |
|
223 /// icon graphic, owned |
|
224 CEikImage* iIcon; |
|
225 |
|
226 /// use selection graphic |
|
227 TBool iMarkerPressed; |
|
228 |
|
229 // Feedback for screen touch: |
|
230 #ifdef RD_TACTILE_FEEDBACK |
|
231 MTouchFeedback* iTouchFeedBack; |
|
232 #endif /* RD_TACTILE_FEEDBACK */ |
|
233 |
|
234 }; |
|
235 |
|
236 #endif |
|
237 |
|
238 // End of File |