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Drawing custom borders around a Symbian control

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Article Metadata
Tested with
Devices(s): Nokia E90 Communicator
Nokia N95 8GB
CompatibilityPlatform Security
Signing Required: Self Signed
Article
Keywords: CWindowGc, CGraphicsContext, TRect, CCoeControl::Draw
Created: tapiolaitinen (06 Feb 2008)
Last edited: hamishwillee (18 Sep 2012)

Contents

Overview

This code snippet demonstrates how to draw a custom border around a GUI component.

Header file

Override the CCoeControl::Draw method.

// From CCoeControl
public:
// Draws the view.
void Draw(const TRect& aRect) const;


Source file

Define the color of the border:

#define KBorderColor TRgb(180, 0, 0)

The drawing is implemented in the CCoeControl::Draw method so that the border is drawn every time the view is drawn.

// Draws the view.
void CAppView::Draw(const TRect& aRect) const
{
CWindowGc& gc = SystemGc();
 
// Draw the border around the component (iComponent)
gc.SetBrushColor(KBorderColor);
TRect rect = iComponent->Rect();
// Enlarge the border rectangle so that it becomes visible. Without this,
// the rect would only contain the innards of the component, which will
// be obscured by the component itself.
rect.Grow(3, 3);
gc.DrawRect(rect);
}

Version Hint

Windows Phone: [[Category:Windows Phone]]
[[Category:Windows Phone 7.5]]
[[Category:Windows Phone 8]]

Nokia Asha: [[Category:Nokia Asha]]
[[Category:Nokia Asha Platform 1.0]]

Series 40: [[Category:Series 40]]
[[Category:Series 40 1st Edition]] [[Category:Series 40 2nd Edition]]
[[Category:Series 40 3rd Edition (initial release)]] [[Category:Series 40 3rd Edition FP1]] [[Category:Series 40 3rd Edition FP2]]
[[Category:Series 40 5th Edition (initial release)]] [[Category:Series 40 5th Edition FP1]]
[[Category:Series 40 6th Edition (initial release)]] [[Category:Series 40 6th Edition FP1]] [[Category:Series 40 Developer Platform 1.0]] [[Category:Series 40 Developer Platform 1.1]] [[Category:Series 40 Developer Platform 2.0]]

Symbian: [[Category:Symbian]]
[[Category:S60 1st Edition]] [[Category:S60 2nd Edition (initial release)]] [[Category:S60 2nd Edition FP1]] [[Category:S60 2nd Edition FP2]] [[Category:S60 2nd Edition FP3]]
[[Category:S60 3rd Edition (initial release)]] [[Category:S60 3rd Edition FP1]] [[Category:S60 3rd Edition FP2]]
[[Category:S60 5th Edition]]
[[Category:Symbian^3]] [[Category:Symbian Anna]] [[Category:Nokia Belle]]

This page was last modified on 18 September 2012, at 05:57.
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