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Implement GetScreenBounds to get window sizing and staggering working. We return the origin of the entire window (title bar and all) but the size of the content area. This is to match Carbon behavior and make everything work nicely. However, this is silly and confusing and we should do away with it in the future. b=330581 r=stuart

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joshmoz%gmail.com 2006-04-06 05:31:16 +00:00
parent 1d41a8322d
commit a7f673077d
1 changed files with 41 additions and 12 deletions
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53
widget/src/cocoa/nsCocoaWindow.mm
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@ -62,6 +62,21 @@ extern nsIWidget * gRollupWidget;
NS_IMPL_ISUPPORTS_INHERITED0(nsCocoaWindow, Inherited)
// get the highest point on any screen
static float HighestPointOnAnyScreen()
{
float highestScreenPoint = 0.0;
NSArray* allScreens = [NSScreen screens];
for (unsigned int i = 0; i < [allScreens count]; i++) {
NSRect currScreenFrame = [[allScreens objectAtIndex:i] frame];
float currScreenHighestPoint = currScreenFrame.origin.y + currScreenFrame.size.height;
if (currScreenHighestPoint > highestScreenPoint)
highestScreenPoint = currScreenHighestPoint;
}
return highestScreenPoint;
}
/*
* Gecko rects (nsRect) contain an origin (x,y) in a coordinate
* system with (0,0) in the top-left of the screen. Cocoa rects
@ -71,26 +86,32 @@ NS_IMPL_ISUPPORTS_INHERITED0(nsCocoaWindow, Inherited)
*/
static NSRect geckoRectToCocoaRect(const nsRect &geckoRect)
{
// first we get the highest point on all screens
float highestScreenPoint = 0.0;
NSArray* allScreens = [NSScreen screens];
for (unsigned int i = 0; i < [allScreens count]; i++) {
NSRect currScreenFrame = [[allScreens objectAtIndex:i] frame];
float currScreenHighestPoint = currScreenFrame.origin.y + currScreenFrame.size.height;
if (currScreenHighestPoint > highestScreenPoint)
highestScreenPoint = currScreenHighestPoint;
}
// We only need to change the Y coordinate by starting with the screen
// height, subtracting the gecko Y coordinate, and subtracting the
// height.
return NSMakeRect(geckoRect.x,
highestScreenPoint - geckoRect.y - geckoRect.height,
HighestPointOnAnyScreen() - geckoRect.y - geckoRect.height,
geckoRect.width,
geckoRect.height);
}
/*
* See explanation for geckoRectToCocoaRect, guess what this does...
*/
static nsRect cocoaRectToGeckoRect(const NSRect &cocoaRect)
{
// We only need to change the Y coordinate by starting with the screen
// height, subtracting the gecko Y coordinate, and subtracting the
// height.
return nsRect((nscoord)cocoaRect.origin.x,
(nscoord)(HighestPointOnAnyScreen() - (cocoaRect.origin.y + cocoaRect.size.height)),
(nscoord)cocoaRect.size.width,
(nscoord)cocoaRect.size.height);
}
//
// nsCocoaWindow constructor
//
@ -522,9 +543,17 @@ NS_IMETHODIMP nsCocoaWindow::Resize(PRInt32 aWidth, PRInt32 aHeight, PRBool aRep
return NS_OK;
}
// We return the origin for the entire window (title bar and all) but
// the size of the content area. I have no idea why it was originally done
// this way, but it matches Carbon and makes things work nicely.
NS_IMETHODIMP nsCocoaWindow::GetScreenBounds(nsRect &aRect)
{
nsRect windowFrame = cocoaRectToGeckoRect([mWindow frame]);
aRect.x = windowFrame.x;
aRect.y = windowFrame.y;
aRect.width = mBounds.width;
aRect.height = mBounds.height;
// printf("GetScreenBounds: output: %d,%d,%d,%d\n", aRect.x, aRect.y, aRect.width, aRect.height);
return NS_OK;
}