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| Re: Text Field with buttons in it [message #484692 is a reply to message #484642] |
Tue, 08 September 2009 18:35   |
 Artem Redkin
Messages: 26
Registered: July 2009 |
Junior Member |
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TextField is drawn next to buttons, so if SWT.Border style is set, buttons wil be out of text field frame.
Now on carbon, gtk and win32 control created like this: composite with borderless text field and buttons (i added red background to text field to illustrate this: http://picasaweb.google.com/lh/photo/a5egjEQDuYLjH96WGSA7bQ? feat=directlink). Then with paint listener a frame is drawn around composite, so buttons and text inside it, like this:
composite.addPaintListener(new PaintListener() {
public void paintControl(PaintEvent e) {
int [] context = new int [1];
context[0] = e.gc.handle;
OS.CGContextSaveGState (context[0]);
int [] outMetric = new int [1];
OS.GetThemeMetric (OS.kThemeMetricFocusRectOutset, outMetric);
CGRect rect = new CGRect ();
OS.HIViewGetBounds (handle, rect);
rect.x += outMetric [0] + 1;
rect.y += outMetric [0];
rect.width -= outMetric [0] * 2 + 2;
rect.height -= outMetric [0] * 2;
int state = 0;
if (OS.IsControlEnabled (text.handle)) {
state = OS.IsControlActive (text.handle) ? OS.kThemeStateActive : OS.kThemeStateInactive;
} else {
state = OS.IsControlActive (text.handle) ? OS.kThemeStateUnavailable : OS.kThemeStateUnavailableInactive;
}
HIThemeFrameDrawInfo info = new HIThemeFrameDrawInfo ();
info.state = state;
info.isFocused = text.isFocusControl();
info.kind = OS.kHIThemeFrameTextFieldSquare;
OS.HIThemeDrawFrame (rect, info, context [0], OS.kHIThemeOrientationNormal);
OS.CGContextRestoreGState (context[0]);
}
});
The problem was that in cocoa there i could not find a method to draw simple frame. And i thought, maybe this design was a bit odd and there is a better way to do text field with buttons.
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