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Change dragging bitmap so that the return key has a transparent background while moving.

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Fixed #3892


git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@34996 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
Jérôme Duval
2010-01-10 22:19:29 +00:00
parent aeb7f21616
commit 9fe2b96342
1 changed files with 9 additions and 11 deletions
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src/preferences/keymap/KeyboardLayoutView.cpp
+9 -11
View File
@@ -272,25 +272,23 @@ KeyboardLayoutView::MouseMoved(BPoint point, uint32 transit,
BRect rect = frame;
rect.right--;
rect.bottom--;
BBitmap* bitmap = new BBitmap(rect, B_BITMAP_ACCEPTS_VIEWS, B_RGBA32);
BBitmap* bitmap = new BBitmap(rect, B_RGBA32, true);
bitmap->Lock();
BView* view = new BView(rect, "drag", 0, 0);
BView* view = new BView(rect, "drag", B_FOLLOW_NONE, 0);
bitmap->AddChild(view);
view->SetHighColor(0, 0, 0, 0);
view->FillRect(view->Bounds());
view->SetDrawingMode(B_OP_ALPHA);
view->SetHighColor(0, 0, 0, 128);
// set the level of transparency by value
view->SetBlendingMode(B_CONSTANT_ALPHA, B_ALPHA_COMPOSITE);
_DrawKey(view, frame, key, frame, false);
view->Sync();
bitmap->RemoveChild(view);
bitmap->Unlock();
// Make it transparent
// TODO: is there a better way to do this?
uint8* bits = (uint8*)bitmap->Bits();
for (int32 i = 0; i < bitmap->BitsLength(); i += 4) {
bits[i + 3] = 144;
}
BMessage drag(B_MIME_DATA);
drag.AddInt32("key", key->code);