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This commit is contained in:
David Rose 2001-03-14 01:02:58 +00:00
parent d01dec2965
commit 3e4e9e7806
2 changed files with 35 additions and 12 deletions
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46
panda/src/tform/mouseWatcher.cxx
View File

@ -32,6 +32,7 @@ MouseWatcher::
MouseWatcher(const string &name) : DataNode(name) {
_has_mouse = false;
_current_region = (MouseWatcherRegion *)NULL;
_button_down_region = (MouseWatcherRegion *)NULL;
_button_down = false;
}
@ -80,6 +81,9 @@ remove_region(MouseWatcherRegion *region) {
if (region == _current_region) {
_current_region = (MouseWatcherRegion *)NULL;
}
if (region == _button_down_region) {
_button_down_region = (MouseWatcherRegion *)NULL;
}
return _regions.erase(region) != 0;
}
@ -177,10 +181,12 @@ set_current_region(MouseWatcherRegion *region) {
void MouseWatcher::
throw_event_pattern(const string &pattern, const MouseWatcherRegion *region,
const string &button_name) {
region->test_ref_count_integrity();
if (pattern.empty()) {
return;
}
if (region != (MouseWatcherRegion *)NULL) {
region->test_ref_count_integrity();
}
string event;
for (size_t p = 0; p < pattern.size(); ++p) {
@ -188,7 +194,9 @@ throw_event_pattern(const string &pattern, const MouseWatcherRegion *region,
string cmd = pattern.substr(p + 1, 1);
p++;
if (cmd == "r") {
event += region->get_name();
if (region != (MouseWatcherRegion *)NULL) {
event += region->get_name();
}
} else if (cmd == "b") {
event += button_name;
@ -247,9 +255,20 @@ transmit_data(NodeAttributes &data) {
_has_mouse = true;
if (!_button_down) {
// We don't change regions while we are holding down a
// button--only when all buttons are up.
// If the button is not currently being held down, we are free to
// set the mouse into whichever region we like.
set_current_region(get_over_region(_mouse));
} else {
// If the button *is* currently being held down, we can only move
// the mouse into a region if the region is the same region we
// started from.
MouseWatcherRegion *region = get_over_region(_mouse);
if (region == _button_down_region) {
set_current_region(region);
} else {
set_current_region((MouseWatcherRegion *)NULL);
}
}
// Look for button events.
@ -267,8 +286,13 @@ transmit_data(NodeAttributes &data) {
// more than one button goes down together, we won't detect
// both of the button-up events properly.
if (_current_region != (MouseWatcherRegion *)NULL) {
throw_event_pattern(_button_up_pattern, _current_region,
// We should probably throw a different button_up event based
// on whether the _current_region is NULL or not, so the
// calling code can differentiate between button_up within the
// starting region, and button_up outside the region.
// Presently, changing this will break the GUI code.
if (_button_down_region != (MouseWatcherRegion *)NULL) {
throw_event_pattern(_button_up_pattern, _button_down_region,
be._button.get_name());
}
_button_down = false;
@ -276,14 +300,12 @@ transmit_data(NodeAttributes &data) {
} else {
// Button down.
if (_button_down) {
// Clicking down a second button while still holding the
// first button down does cause a change in regions.
set_current_region(get_over_region(_mouse));
if (!_button_down) {
_button_down_region = _current_region;
}
_button_down = true;
if (_current_region != (MouseWatcherRegion *)NULL) {
throw_event_pattern(_button_down_pattern, _current_region,
if (_button_down_region != (MouseWatcherRegion *)NULL) {
throw_event_pattern(_button_down_pattern, _button_down_region,
be._button.get_name());
}
}

1
panda/src/tform/mouseWatcher.h
View File

@ -93,6 +93,7 @@ private:
LPoint2f _mouse;
MouseWatcherRegion *_current_region;
MouseWatcherRegion *_button_down_region;
bool _button_down;
string _button_down_pattern;