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constrain windows centered on a parent window to be onscreen. bug 119332 r=ben,hyatt

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danm%netscape.com 2002-01-11 01:53:23 +00:00
parent db92a9fe93
commit 15bf11bfd3
1 changed files with 10 additions and 6 deletions
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16
xpfe/appshell/src/nsXULWindow.cpp
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@ -471,12 +471,12 @@ NS_IMETHODIMP nsXULWindow::GetPositionAndSize(PRInt32* x, PRInt32* y, PRInt32* c
return NS_OK;
}
// only does screen-centering right now
NS_IMETHODIMP nsXULWindow::Center(nsIXULWindow *aRelative, PRBool aScreen, PRBool aAlert) {
PRInt32 left, top, width, height,
ourWidth, ourHeight;
PRBool haveCoordinates = PR_FALSE;
PRBool screenCoordinates = PR_FALSE,
windowCoordinates = PR_FALSE;
nsresult result;
if (!mChromeLoaded) {
@ -501,19 +501,23 @@ NS_IMETHODIMP nsXULWindow::Center(nsIXULWindow *aRelative, PRBool aScreen, PRBoo
if (aScreen)
screenmgr->ScreenForRect(left, top, width, height, getter_AddRefs(screen));
else
haveCoordinates = PR_TRUE;
windowCoordinates = PR_TRUE;
}
} else
screenmgr->GetPrimaryScreen(getter_AddRefs(screen));
if (aScreen && screen) {
screen->GetAvailRect(&left, &top, &width, &height);
haveCoordinates = PR_TRUE;
screenCoordinates = PR_TRUE;
}
if (haveCoordinates) {
if (screenCoordinates || windowCoordinates) {
GetSize(&ourWidth, &ourHeight);
SetPosition(left+(width-ourWidth)/2, top+(height-ourHeight)/(aAlert?3:2));
left += (width - ourWidth) / 2;
top += (height - ourHeight) / (aAlert ? 3 : 2);
if (windowCoordinates)
mWindow->ConstrainPosition(PR_FALSE, &left, &top);
SetPosition(left, top);
return NS_OK;
}
return NS_ERROR_FAILURE;