TheCloud/panda3d
1
0
Fork 0
mirror of https://github.com/panda3d/panda3d.git synced 2025-10-03 02:15:43 -04:00
Code Issues Packages Projects Releases Wiki Activity

prepare for blobWatcher

Browse Source
This commit is contained in:
David Rose 2002-01-11 22:03:15 +00:00
parent 65df619ad2
commit 52e9d305ea
2 changed files with 57 additions and 35 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

86
panda/src/tform/mouseWatcher.cxx
View File

@ -50,6 +50,12 @@ MouseWatcher(const string &name) : DataNode(name) {
_preferred_button_down_region = (MouseWatcherRegion *)NULL;
_button_down = false;
_eh = (EventHandler*)0L;
// When this flag is true, the mouse pointer is allowed to be
// "entered" into multiple regions simultaneously; when false, it
// will only be "within" multiple regions, but "entered" into the
// topmost of those.
_enter_multiple = false;
}
////////////////////////////////////////////////////////////////////
@ -190,7 +196,7 @@ remove_group(MouseWatcherGroup *group) {
////////////////////////////////////////////////////////////////////
// Function: MouseWatcher::get_over_regions
// Access: Private
// Access: Protected
// Description: Fills up the "regions" list with the set of regions
// that the indicated point is over, sorted in order by
// pointer.
@ -238,7 +244,7 @@ get_over_regions(MouseWatcher::VRegions &regions, const LPoint2f &pos) const {
////////////////////////////////////////////////////////////////////
// Function: MouseWatcher::get_preferred_region
// Access: Private, Static
// Access: Protected, Static
// Description: Returns the innermost region of all the regions
// indicated in the given vector (usually, the regions
// the mouse is over). This is the "preferred" region
@ -268,7 +274,7 @@ get_preferred_region(const MouseWatcher::VRegions &regions) {
////////////////////////////////////////////////////////////////////
// Function: MouseWatcher::set_current_regions
// Access: Private
// Access: Protected
// Description: Changes the "current" regions--the one we consider the
// mouse to be over--to the indicated list, and throws
// whatever events are appropriate because of that.
@ -304,6 +310,10 @@ set_current_regions(MouseWatcher::VRegions &regions) {
MouseWatcherRegion *old_region = (*old_ri);
old_region->without(param);
throw_event_pattern(_without_pattern, old_region, ButtonHandle::none());
if (_enter_multiple) {
old_region->exit(param);
throw_event_pattern(_leave_pattern, old_region, ButtonHandle::none());
}
any_changes = true;
++old_ri;
@ -327,6 +337,10 @@ set_current_regions(MouseWatcher::VRegions &regions) {
MouseWatcherRegion *old_region = (*old_ri);
old_region->without(param);
throw_event_pattern(_without_pattern, old_region, ButtonHandle::none());
if (_enter_multiple) {
old_region->exit(param);
throw_event_pattern(_leave_pattern, old_region, ButtonHandle::none());
}
any_changes = true;
++old_ri;
}
@ -341,38 +355,44 @@ set_current_regions(MouseWatcher::VRegions &regions) {
for (ri = new_regions.begin(); ri != new_regions.end(); ++ri) {
MouseWatcherRegion *new_region = (*ri);
new_region->within(param);
throw_event_pattern(_within_pattern, new_region, ButtonHandle::none());
throw_event_pattern(_within_pattern, new_region, ButtonHandle::none());
if (_enter_multiple) {
new_region->enter(param);
throw_event_pattern(_enter_pattern, new_region, ButtonHandle::none());
}
}
}
// Determine which is the "preferred region", if any. This is the
// topmost region that the mouse cursor is over, and the one that
// we are considered "entered" into.
MouseWatcherRegion *new_preferred_region =
get_preferred_region(_current_regions);
if (_button_down && new_preferred_region != _preferred_button_down_region) {
// If the button's being held down, we're only allowed to select
// the preferred button down region.
new_preferred_region = (MouseWatcherRegion *)NULL;
}
if (new_preferred_region != _preferred_region) {
if (_preferred_region != (MouseWatcherRegion *)NULL) {
_preferred_region->exit(param);
throw_event_pattern(_leave_pattern, _preferred_region, ButtonHandle::none());
if (!_enter_multiple) {
// Determine which is the "preferred region", if any. This is the
// topmost region that the mouse cursor is over, and the one that
// we are considered "entered" into.
MouseWatcherRegion *new_preferred_region =
get_preferred_region(_current_regions);
if (_button_down && new_preferred_region != _preferred_button_down_region) {
// If the button's being held down, we're only allowed to select
// the preferred button down region.
new_preferred_region = (MouseWatcherRegion *)NULL;
}
_preferred_region = new_preferred_region;
if (_preferred_region != (MouseWatcherRegion *)NULL) {
_preferred_region->enter(param);
throw_event_pattern(_enter_pattern, _preferred_region, ButtonHandle::none());
if (new_preferred_region != _preferred_region) {
if (_preferred_region != (MouseWatcherRegion *)NULL) {
_preferred_region->exit(param);
throw_event_pattern(_leave_pattern, _preferred_region, ButtonHandle::none());
}
_preferred_region = new_preferred_region;
if (_preferred_region != (MouseWatcherRegion *)NULL) {
_preferred_region->enter(param);
throw_event_pattern(_enter_pattern, _preferred_region, ButtonHandle::none());
}
}
}
}
////////////////////////////////////////////////////////////////////
// Function: MouseWatcher::clear_current_regions
// Access: Private
// Access: Protected
// Description: Empties the set of current regions.
////////////////////////////////////////////////////////////////////
void MouseWatcher::
@ -405,7 +425,7 @@ clear_current_regions() {
////////////////////////////////////////////////////////////////////
// Function: MouseWatcher::intersect_regions
// Access: Private, Static
// Access: Protected, Static
// Description: Sets result to be the intersection of the list of
// regions in regions_a and regions_b. It is assumed
// that both vectors are already sorted in pointer
@ -447,7 +467,7 @@ intersect_regions(MouseWatcher::VRegions &result,
////////////////////////////////////////////////////////////////////
// Function: MouseWatcher::remove_region_from
// Access: Private, Static
// Access: Protected, Static
// Description: Removes the indicated region from the given vector.
// Assumes the vector is sorted in pointer order.
////////////////////////////////////////////////////////////////////
@ -464,7 +484,7 @@ remove_region_from(MouseWatcher::VRegions &regions,
////////////////////////////////////////////////////////////////////
// Function: MouseWatcher::remove_regions_from
// Access: Private, Static
// Access: Protected, Static
// Description: Removes all the regions in the indicated group from
// the given vector. Assumes the vector is sorted in
// pointer order.
@ -502,7 +522,7 @@ remove_regions_from(MouseWatcher::VRegions &regions,
////////////////////////////////////////////////////////////////////
// Function: MouseWatcher::throw_event_for
// Access: Private
// Access: Protected
// Description: Throws an event associated with the indicated region,
// using the given pattern.
////////////////////////////////////////////////////////////////////
@ -560,7 +580,7 @@ throw_event_pattern(const string &pattern, const MouseWatcherRegion *region,
////////////////////////////////////////////////////////////////////
// Function: MouseWatcher::press
// Access: Private
// Access: Protected
// Description: Records the indicated mouse or keyboard button as
// being depressed.
////////////////////////////////////////////////////////////////////
@ -608,7 +628,7 @@ press(ButtonHandle button) {
////////////////////////////////////////////////////////////////////
// Function: MouseWatcher::release
// Access: Private
// Access: Protected
// Description: Records the indicated mouse or keyboard button as
// being released.
////////////////////////////////////////////////////////////////////
@ -651,7 +671,7 @@ release(ButtonHandle button) {
////////////////////////////////////////////////////////////////////
// Function: MouseWatcher::global_keyboard_press
// Access: Private
// Access: Protected
// Description: Calls press() on all regions that are interested in
// receiving global keyboard events, except for the
// current region (which already received this one).
@ -683,7 +703,7 @@ global_keyboard_press(const MouseWatcherParameter &param) {
////////////////////////////////////////////////////////////////////
// Function: MouseWatcher::global_keyboard_release
// Access: Private
// Access: Protected
// Description: Calls release() on all regions that are interested in
// receiving global keyboard events, except for the
// current region (which already received this one).

6
panda/src/tform/mouseWatcher.h
View File

@ -113,7 +113,7 @@ public:
bool add_group(MouseWatcherGroup *group);
bool remove_group(MouseWatcherGroup *group);
private:
protected:
typedef pvector< PT(MouseWatcherRegion) > VRegions;
void get_over_regions(VRegions &regions, const LPoint2f &pos) const;
static MouseWatcherRegion *get_preferred_region(const VRegions &regions);
@ -150,6 +150,8 @@ private:
PT(MouseWatcherRegion) _preferred_button_down_region;
bool _button_down;
bool _enter_multiple;
string _button_down_pattern;
string _button_up_pattern;
string _enter_pattern;
@ -159,7 +161,7 @@ private:
PT_NodeRelation _geometry;
EventHandler* _eh;
EventHandler *_eh;
ModifierButtons _mods;