|
1 /* |
|
2 * Copyright (c) 2005-2005 Nokia Corporation and/or its subsidiary(-ies). |
|
3 * All rights reserved. |
|
4 * This component and the accompanying materials are made available |
|
5 * under the terms of "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 * |
|
14 * Description: Implementation for insertion point |
|
15 * |
|
16 */ |
|
17 |
|
18 |
|
19 |
|
20 #include "peninputlayoutinsertionpoint.h" |
|
21 #include "peninputlayouteditareabase.h" |
|
22 #include "peninputlayouttimer.h" |
|
23 |
|
24 // ============================ MEMBER FUNCTIONS ============================= |
|
25 |
|
26 // --------------------------------------------------------------------------- |
|
27 // CInsertionPoint::CInsertionPoint |
|
28 // C++ default constructor can NOT contain any code, that might leave |
|
29 // --------------------------------------------------------------------------- |
|
30 // |
|
31 CInsertionPoint::CInsertionPoint(CFepUiBaseCtrl* aOwner,CFbsBitmapDevice* aBitmapDevice, |
|
32 CBitmapContext* aGc,TInt aHeight) |
|
33 :iPosition(0, 0), |
|
34 iHeight(aHeight), |
|
35 iIsOn(EFalse), |
|
36 iIsVisible(EFalse), |
|
37 iEditor(aOwner), |
|
38 iBitmapDevice(aBitmapDevice), |
|
39 iGc(aGc), |
|
40 iCursorTempDisabled(EFalse) |
|
41 { |
|
42 } |
|
43 |
|
44 // --------------------------------------------------------------------------- |
|
45 // CInsertionPoint::ConstructL |
|
46 // Symbian 2nd phase constructor can leave. |
|
47 // --------------------------------------------------------------------------- |
|
48 // |
|
49 void CInsertionPoint::ConstructL() |
|
50 { |
|
51 iCursorBlinkingTimer = CPeriodic::NewL(CActive::EPriorityStandard); |
|
52 iRestoreCursorTimer = CLayoutTimer::NewL(this,CLayoutTimer::EOthers); |
|
53 } |
|
54 |
|
55 // --------------------------------------------------------------------------- |
|
56 // CInsertionPoint::NewL |
|
57 // Two-phased constructor. |
|
58 // --------------------------------------------------------------------------- |
|
59 // |
|
60 EXPORT_C CInsertionPoint* CInsertionPoint::NewL(CFepUiBaseCtrl* aOwner,CFbsBitmapDevice* |
|
61 aBitmapDevice,CBitmapContext* aGc,TInt aHeight) |
|
62 { |
|
63 CInsertionPoint* self = new(ELeave) CInsertionPoint(aOwner,aBitmapDevice,aGc,aHeight); |
|
64 CleanupStack::PushL(self); |
|
65 self->ConstructL(); |
|
66 CleanupStack::Pop(self); // insertionPoint |
|
67 return self; |
|
68 } |
|
69 |
|
70 // --------------------------------------------------------------------------- |
|
71 // CInsertionPoint::~CInsertionPoint |
|
72 // Destructor |
|
73 // --------------------------------------------------------------------------- |
|
74 // |
|
75 CInsertionPoint::~CInsertionPoint() |
|
76 { |
|
77 if(iCursorBlinkingTimer) |
|
78 { |
|
79 iCursorBlinkingTimer->Cancel(); |
|
80 delete iCursorBlinkingTimer; |
|
81 } |
|
82 |
|
83 delete iRestoreCursorTimer; |
|
84 } |
|
85 |
|
86 |
|
87 // --------------------------------------------------------------------------- |
|
88 // CInsertionPoint::SetPosition |
|
89 // Sets the position of the sprite if it has been turned on |
|
90 // (other items were commented in a header). |
|
91 // --------------------------------------------------------------------------- |
|
92 // |
|
93 EXPORT_C void CInsertionPoint::SetPosition(const TPoint& aPosition) |
|
94 { |
|
95 |
|
96 TBool isOn = iIsOn; |
|
97 if (isOn) |
|
98 { |
|
99 SetOn(EFalse); |
|
100 } |
|
101 iPosition=aPosition; |
|
102 TPoint correction(KCursorPosCorrectionX,KCursorPosCorrectionY ); |
|
103 iCursorRect = TRect(iPosition + correction , TSize(KCursorWidth,iHeight)); |
|
104 |
|
105 if (isOn) |
|
106 { |
|
107 SetOn(ETrue); |
|
108 } |
|
109 } |
|
110 |
|
111 // --------------------------------------------------------------------------- |
|
112 // CInsertionPoint::Position |
|
113 // get the cursor position |
|
114 // --------------------------------------------------------------------------- |
|
115 // |
|
116 TPoint CInsertionPoint::Position() |
|
117 { |
|
118 return iPosition; |
|
119 } |
|
120 |
|
121 // --------------------------------------------------------------------------- |
|
122 // CInsertionPoint::SetLayoutOwner |
|
123 // Sets the layout owner |
|
124 // (other items were commented in a header). |
|
125 // --------------------------------------------------------------------------- |
|
126 // |
|
127 /*void CInsertionPoint::SetLayoutOwner(MLayoutOwner* aOwner) |
|
128 { |
|
129 iLayoutOwner = aOwner; |
|
130 } |
|
131 */ |
|
132 |
|
133 // --------------------------------------------------------------------------- |
|
134 // CInsertionPoint::SetOn |
|
135 // Turns the sprite on and off |
|
136 // (other items were commented in a header). |
|
137 // --------------------------------------------------------------------------- |
|
138 // |
|
139 EXPORT_C void CInsertionPoint::SetOn(TBool aOn) |
|
140 { |
|
141 iIsOn = aOn; |
|
142 |
|
143 if(iCursorTempDisabled) |
|
144 return; |
|
145 // If cursor will bee set off and timer is active, Cancel timer |
|
146 if ( !iIsOn ) |
|
147 { |
|
148 if ( iCursorBlinkingTimer->IsActive()) |
|
149 { |
|
150 iCursorBlinkingTimer->Cancel(); |
|
151 } |
|
152 } |
|
153 else |
|
154 { |
|
155 // Activate blinking timer, if it is not already activated |
|
156 if ( !iCursorBlinkingTimer->IsActive() ) |
|
157 { |
|
158 iCursorBlinkingTimer->Start(0, |
|
159 KCursorBlinkPerioid,TCallBack(CursorBlinkCallBack , this)); |
|
160 } |
|
161 } |
|
162 |
|
163 // Invalidate InsertionPoint's rect, so it will be removed from editarea |
|
164 InvalidateInsertionPoint(); |
|
165 } |
|
166 |
|
167 // --------------------------------------------------------------------------- |
|
168 // CInsertionPoint::SetHeight |
|
169 // Sets caret height |
|
170 // (other items were commented in a header). |
|
171 // --------------------------------------------------------------------------- |
|
172 // |
|
173 EXPORT_C void CInsertionPoint::SetHeight(TInt aHeight) |
|
174 { |
|
175 if(aHeight > 0 && aHeight != iHeight ) |
|
176 { |
|
177 TBool isOn = iIsOn; |
|
178 if (isOn) |
|
179 { |
|
180 SetOn(EFalse); |
|
181 } |
|
182 |
|
183 iHeight = aHeight; |
|
184 //change the cursor rect |
|
185 TPoint correction(KCursorPosCorrectionX,KCursorPosCorrectionY ); |
|
186 iCursorRect = TRect(iPosition + correction , |
|
187 TSize(KCursorWidth,iHeight)); |
|
188 if (isOn) |
|
189 { |
|
190 SetOn(ETrue); |
|
191 } |
|
192 } |
|
193 |
|
194 } |
|
195 |
|
196 // --------------------------------------------------------------------------- |
|
197 // CInsertionPoint::Draw |
|
198 // Draws insertion point's Rect and starts blinking timer |
|
199 // (other items were commented in a header). |
|
200 // --------------------------------------------------------------------------- |
|
201 // |
|
202 EXPORT_C void CInsertionPoint::Draw(CBitmapContext* aGc, TBool aReset) |
|
203 { |
|
204 if(!iEditor || !iEditor->AbleToDraw()) |
|
205 return; |
|
206 if (aReset) |
|
207 { |
|
208 iIsVisible = EFalse; |
|
209 } |
|
210 |
|
211 if(iIsOn) |
|
212 { |
|
213 // draw cursor by inverting colors in the selected text rectancle |
|
214 static_cast<CFbsBitGc*>(aGc)->Activate( iBitmapDevice ); |
|
215 aGc->SetClippingRegion(iEditor->ValidClipRegion()); |
|
216 |
|
217 aGc->SetBrushStyle(CGraphicsContext::ESolidBrush); |
|
218 aGc->SetBrushColor(KRgbBlack); |
|
219 aGc->SetDrawMode(CGraphicsContext::EDrawModeNOTSCREEN); |
|
220 |
|
221 aGc->SetPenColor(KRgbBlack); |
|
222 aGc->SetPenStyle(CGraphicsContext::ESolidPen); |
|
223 aGc->SetPenSize( TSize(1,1)); |
|
224 |
|
225 aGc->DrawRect(iCursorRect); |
|
226 iIsVisible = !iIsVisible; |
|
227 |
|
228 // restore normal draw mode |
|
229 aGc->SetDrawMode(CGraphicsContext::EDrawModePEN); |
|
230 aGc->SetBrushStyle(CGraphicsContext::ENullBrush); |
|
231 |
|
232 if (iEditor) |
|
233 { |
|
234 iEditor->UpdateArea(iCursorRect,EFalse); |
|
235 } |
|
236 |
|
237 // Activate blinking timer, if it is not already activated |
|
238 if ( !iCursorBlinkingTimer->IsActive() ) |
|
239 { |
|
240 iCursorBlinkingTimer->Start(KCursorBlinkPerioid, KCursorBlinkPerioid, |
|
241 TCallBack(CursorBlinkCallBack , this)); |
|
242 } |
|
243 } |
|
244 else |
|
245 { |
|
246 if(iIsVisible) //only do when already shown |
|
247 { |
|
248 //CFbsBitmapDevice* bitmapDevice = iEditor->BitmapDevice(); |
|
249 static_cast<CFbsBitGc*>(aGc)->Activate(iBitmapDevice); |
|
250 aGc->SetClippingRegion(iEditor->ValidClipRegion()); |
|
251 aGc->SetPenColor(KRgbBlack); |
|
252 aGc->SetBrushStyle(CGraphicsContext::ESolidBrush); |
|
253 aGc->SetBrushColor(KRgbBlack); |
|
254 aGc->SetDrawMode(CGraphicsContext::EDrawModeNOTSCREEN); |
|
255 aGc->SetPenStyle(CGraphicsContext::ESolidPen); |
|
256 aGc->SetPenSize( TSize(1,1)); |
|
257 aGc->DrawRect(iCursorRect); |
|
258 |
|
259 // restore normal draw mode |
|
260 aGc->SetDrawMode(CGraphicsContext::EDrawModePEN); |
|
261 aGc->SetBrushStyle(CGraphicsContext::ENullBrush); |
|
262 |
|
263 iIsVisible = EFalse; |
|
264 |
|
265 if (iEditor) |
|
266 { |
|
267 iEditor->UpdateArea(iCursorRect,EFalse); |
|
268 } |
|
269 } |
|
270 } |
|
271 aGc->CancelClippingRegion(); |
|
272 } |
|
273 |
|
274 // --------------------------------------------------------------------------- |
|
275 // CInsertionPoint::CursorBlinkCallBack |
|
276 // Invalidates cursor rect, when timer gets out. |
|
277 // With periodic caused draw/undraw of cursor will cause cursor blinking |
|
278 // (other items were commented in a header). |
|
279 // --------------------------------------------------------------------------- |
|
280 // |
|
281 TInt CInsertionPoint::CursorBlinkCallBack(TAny *aPtr) |
|
282 { |
|
283 CInsertionPoint* self = static_cast<CInsertionPoint*>(aPtr); |
|
284 |
|
285 self->InvalidateInsertionPoint(); |
|
286 |
|
287 return(ETrue); |
|
288 } |
|
289 |
|
290 // --------------------------------------------------------------------------- |
|
291 // CInsertionPoint::InvalidateCursor |
|
292 // Invalidates InsertionPoint's rect |
|
293 // (other items were commented in a header). |
|
294 // --------------------------------------------------------------------------- |
|
295 // |
|
296 void CInsertionPoint::InvalidateInsertionPoint() |
|
297 { |
|
298 if(iEditor) |
|
299 { |
|
300 Draw(iGc); |
|
301 } |
|
302 } |
|
303 |
|
304 // --------------------------------------------------------------------------- |
|
305 // CInsertionPoint::DelayCursorWhileDraging |
|
306 // Disable the cursor while pen is draging |
|
307 // (other items were commented in a header). |
|
308 // --------------------------------------------------------------------------- |
|
309 // |
|
310 EXPORT_C void CInsertionPoint::DelayCursorWhileDraging() |
|
311 { |
|
312 if(!iIsOn && !iCursorTempDisabled) // do nothing is cursor is off |
|
313 return; |
|
314 |
|
315 if(!iCursorTempDisabled) |
|
316 { |
|
317 SetOn(EFalse); // disable the cursor |
|
318 iCursorTempDisabled = ETrue; |
|
319 } |
|
320 iRestoreCursorTimer->SetTimer(KCursorBlinkPerioid); |
|
321 } |
|
322 |
|
323 // --------------------------------------------------------------------------- |
|
324 // CInsertionPoint::HandleTimerOut |
|
325 // Set the cursor on |
|
326 // (other items were commented in a header). |
|
327 // --------------------------------------------------------------------------- |
|
328 // |
|
329 void CInsertionPoint::HandleTimerOut(TInt /*aTimeType*/) |
|
330 { |
|
331 iCursorTempDisabled = EFalse; |
|
332 iIsOn = ETrue; |
|
333 //To avoid the ugly first shown, we draw the cursor directly here. |
|
334 InvalidateInsertionPoint(); |
|
335 SetOn(ETrue); |
|
336 } |
|
337 // End of File |