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patch by Andrea Anzani (with a few style modification by me) which 

enables tab (as BTab) switching via mouse wheel. Thanks!
 


git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@24214 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
Stefano Ceccherini 2008-03-03 12:41:05 +00:00
parent 495949fc2c
commit 69fac0cee0
1 changed files with 53 additions and 22 deletions
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41
src/kits/interface/TabView.cpp
View File

@ -508,7 +508,10 @@ BTabView::DetachedFromWindow()
void
BTabView::MessageReceived(BMessage *message)
{
if (message->what == B_GET_PROPERTY || message->what == B_SET_PROPERTY) {
switch (message->what) {
case B_GET_PROPERTY:
case B_SET_PROPERTY:
{
BMessage reply(B_REPLY);
bool handled = false;
@ -533,12 +536,40 @@ BTabView::MessageReceived(BMessage *message)
}
}
if (handled) {
if (handled)
message->SendReply(&reply);
return;
}
}
else
BView::MessageReceived(message);
break;
}
case B_MOUSE_WHEEL_CHANGED:
{
float deltaX = 0.0f;
float deltaY = 0.0f;
message->FindFloat("be:wheel_delta_x", &deltaX);
message->FindFloat("be:wheel_delta_y", &deltaY);
if (deltaX == 0.0f && deltaY == 0.0f)
return;
if (deltaY == 0.0f)
deltaY = deltaX;
int32 selection = Selection();
int32 numTabs = CountTabs();
if (deltaY > 0 && selection < numTabs - 1) {
//move to the right tab.
Select(Selection() + 1);
} else if (deltaY < 0 && selection > 0 && numTabs > 1) {
//move to the left tab.
Select(selection - 1);
}
}
default:
BView::MessageReceived(message);
break;
}
}