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* Made the mouse moved message dropping code slightly nicer to read.

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* Don't drop messages which carry an important transit value. (Thanks, Axel!)


git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@26352 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
Stephan Aßmus
2008-07-10 07:21:16 +00:00
parent 6d3c6e761a
commit dde9faab86
1 changed files with 10 additions and 8 deletions
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src/kits/interface/Window.cpp
+10 -8
View File
@@ -1096,16 +1096,20 @@ FrameMoved(origin);
uint32 eventOptions = view->fEventOptions uint32 eventOptions = view->fEventOptions
| view->fMouseEventOptions; | view->fMouseEventOptions;
bool noHistory = eventOptions & B_NO_POINTER_HISTORY; bool noHistory = eventOptions & B_NO_POINTER_HISTORY;
bool fullHistory = eventOptions & B_FULL_POINTER_HISTORY; bool dropIfLate = !(eventOptions & B_FULL_POINTER_HISTORY);
bigtime_t eventTime; bigtime_t eventTime;
if (noHistory if (msg->FindInt64("when", (int64*)&eventTime) < B_OK)
|| msg->FindInt64("when", (int64*)&eventTime) < B_OK) {
eventTime = system_time(); eventTime = system_time();
}
if (noHistory || (!fullHistory uint32 transit;
&& (system_time() - eventTime > 20000))) { msg->FindInt32("be:transit", (int32*)&transit);
// don't drop late messages with these important transit values
if (transit == B_ENTERED_VIEW || transit == B_EXITED_VIEW)
dropIfLate = false;
if (noHistory
|| (dropIfLate && (system_time() - eventTime > 20000))) {
// filter out older mouse moved messages in the queue // filter out older mouse moved messages in the queue
_DequeueAll(); _DequeueAll();
BMessageQueue *queue = MessageQueue(); BMessageQueue *queue = MessageQueue();
@@ -1126,10 +1130,8 @@ FrameMoved(origin);
BPoint where; BPoint where;
uint32 buttons; uint32 buttons;
uint32 transit;
msg->FindPoint("be:view_where", &where); msg->FindPoint("be:view_where", &where);
msg->FindInt32("buttons", (int32*)&buttons); msg->FindInt32("buttons", (int32*)&buttons);
msg->FindInt32("be:transit", (int32*)&transit);
BMessage* dragMessage = NULL; BMessage* dragMessage = NULL;
if (msg->HasMessage("be:drag_message")) { if (msg->HasMessage("be:drag_message")) {