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new listbox stuff

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This commit is contained in:
Cary Sandvig 2001-03-11 05:06:09 +00:00
parent 907d0a5957
commit d7f3c97b40
3 changed files with 96 additions and 279 deletions
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344
panda/src/gui/guiListBox.cxx
View File

@ -16,21 +16,13 @@ GuiListBox::ListFunctor::~ListFunctor(void) {
}
void GuiListBox::ListFunctor::doit(GuiBehavior* b) {
gui_cat->debug() << "in GuiListBox::ListFunctor::doit" << endl;
gui_cat->debug() << "b = 0x" << (void*)b << " (" << b->get_name() << ")"
<< endl;
if (b == this->_lb->_up_arrow) {
gui_cat->debug() << "scrolling up" << endl;
if ((b == this->_lb->_up_arrow) && this->_lb->_up_arrow->is_active())
this->_lb->scroll_up();
}
if (b == this->_lb->_down_arrow) {
gui_cat->debug() << "scrolling down" << endl;
if ((b == this->_lb->_down_arrow) && this->_lb->_down_arrow->is_active())
this->_lb->scroll_down();
}
}
void GuiListBox::recompute_frame(void) {
GuiBehavior::recompute_frame();
this->freeze();
LVector3f p = _pos;
float lft = 100000.;
@ -51,127 +43,61 @@ void GuiListBox::recompute_frame(void) {
if (frm[3] > tp)
tp = frm[3];
(*i)->freeze();
int lvl = (*i)->thaw();
gui_cat->debug() << "in recompute: freeze lvl (" << (*i)->get_name()
<< ") = " << (*i)->thaw() << endl;
<< ") = " << lvl << endl;
}
_left = lft;
_right = rgt;
_top = tp;
_bottom = btm;
GuiBehavior::recompute_frame();
this->adjust_region();
this->thaw();
this->deal_with_buttons();
}
void GuiListBox::visible_patching(void) {
// check for 2 cases on both top and bottom of the visible list. First,
// if there is an item off that edge, but no arrow active; then put an arrow
// up (needing to move a second item off the edge). Second, if there is an
// arrow up, but there is only a single item off the edge; replace the arrow
// with the item.
// top first
if (_arrow_top) {
if (_top_stack.size() == 1) {
// replace the up arrow with the single item in the top stack
_arrow_top = false;
_visible[0]->unmanage();
_visible[0] = *(_top_stack.begin());
if (_mgr != (GuiManager*)0L) {
if (_alt_root.is_null())
_visible[0]->manage(_mgr, *_eh);
else
_visible[0]->manage(_mgr, *_eh, _alt_root);
}
_top_stack.pop_back();
}
void GuiListBox::deal_with_buttons(void) {
// check the state of the up and down buttons
if (_bottom_stack.size() == 0) {
_down_arrow->exit();
_down_arrow->inactive();
} else {
if (_top_stack.size() > 0) {
// move the top of the visible list to the top stack and put the up
// arrow in it's place
_arrow_top = true;
_visible[0]->unmanage();
_top_stack.push_back(_visible[0]);
_visible[0] = _up_arrow;
if (_mgr != (GuiManager*)0L) {
if (_alt_root.is_null())
_up_arrow->manage(_mgr, *_eh);
else
_up_arrow->manage(_mgr, *_eh, _alt_root);
}
_down_arrow->up();
if (_behavior_running) {
_down_arrow->start_behavior();
_down_arrow->set_behavior_functor(_down_functor);
}
}
// now bottom
if (_arrow_bottom) {
if (_bottom_stack.size() == 1) {
// replace the down arrow with the single item in the bottom stack
_arrow_bottom = false;
int last = _n_visible-1;
_visible[last]->unmanage();
_visible[last] = *(_bottom_stack.begin());
if (_mgr != (GuiManager*)0L) {
if (_alt_root.is_null())
_visible[last]->manage(_mgr, *_eh);
else
_visible[last]->manage(_mgr, *_eh, _alt_root);
}
_bottom_stack.pop_back();
}
if (_top_stack.size() == 0) {
_up_arrow->exit();
_up_arrow->inactive();
} else {
if (_bottom_stack.size() > 0) {
// move the bottom of the visible list to the bottom stack and put the
// down arrow in it's place
_arrow_bottom = true;
int last = _n_visible-1;
_visible[last]->unmanage();
_bottom_stack.push_back(_visible[last]);
_visible[last] = _down_arrow;
if (_mgr != (GuiManager*)0L) {
if (_alt_root.is_null())
_down_arrow->manage(_mgr, *_eh);
else
_down_arrow->manage(_mgr, *_eh, _alt_root);
}
_up_arrow->up();
if (_behavior_running) {
_up_arrow->start_behavior();
_up_arrow->set_behavior_functor(_up_functor);
}
}
// and restart any behavior
if (_behavior_running)
this->reset_behavior();
}
void GuiListBox::set_priority(GuiLabel* l, const GuiItem::Priority p) {
ItemVector::iterator i;
ItemDeque::iterator j;
for (i=_top_stack.begin(); i!=_top_stack.end(); ++i) {
if (*i == _up_arrow)
continue;
if (*i == _down_arrow)
continue;
for (i=_top_stack.begin(); i!=_top_stack.end(); ++i)
(*i)->set_priority(l, p);
}
for (i=_visible.begin(); i!=_visible.end(); ++i) {
if (*i == _up_arrow)
continue;
if (*i == _down_arrow)
continue;
for (i=_visible.begin(); i!=_visible.end(); ++i)
(*i)->set_priority(l, p);
}
for (j=_bottom_stack.begin(); j!=_bottom_stack.end(); ++j) {
if (*j == _up_arrow)
continue;
if (*j == _down_arrow)
continue;
for (j=_bottom_stack.begin(); j!=_bottom_stack.end(); ++j)
(*j)->set_priority(l, p);
}
_up_arrow->set_priority(l, p);
_down_arrow->set_priority(l, p);
}
GuiListBox::GuiListBox(const string& name, int N, GuiItem* up, GuiItem* down)
: GuiBehavior(name), _arrow_top(false), _arrow_bottom(false), _up_arrow(up),
_down_arrow(down), _n_visible(N),
GuiListBox::GuiListBox(const string& name, int N, GuiButton* up,
GuiButton* down)
: GuiBehavior(name), _up_arrow(up), _down_arrow(down), _n_visible(N),
_up_functor((GuiListBox::ListFunctor*)0L),
_down_functor((GuiListBox::ListFunctor*)0L) {
if (N < 4) {
@ -191,10 +117,6 @@ void GuiListBox::scroll_down(void) {
// compute what the first and list item in the visible list are
int first = 0;
int last = _n_visible-1;
if (_arrow_top)
++first;
if (_arrow_bottom)
--last;
// first push one off the top onto the top stack
_top_stack.push_back(_visible[first]);
_visible[first]->unmanage();
@ -211,8 +133,7 @@ void GuiListBox::scroll_down(void) {
}
// and pop it off the bottom stack
_bottom_stack.pop_back();
// now patch-up any dangling items
visible_patching();
this->deal_with_buttons();
// finally recompute all the possitions
this->recompute_frame();
if (_mgr != (GuiManager*)0L)
@ -225,10 +146,6 @@ void GuiListBox::scroll_up(void) {
// compute what the first and last item in the visible list are
int first = 0;
int last = _n_visible - 1;
if (_arrow_top)
++first;
if (_arrow_bottom)
--last;
// first push one off the bottom onto the bottom stack
_bottom_stack.push_back(_visible[last]);
_visible[last]->unmanage();
@ -245,8 +162,7 @@ void GuiListBox::scroll_up(void) {
}
// and pop it off the top stack
_top_stack.pop_back();
// now patch-up any dangling item
visible_patching();
this->deal_with_buttons();
// finally recompute all the possitions
this->recompute_frame();
if (_mgr != (GuiManager*)0L)
@ -268,7 +184,7 @@ void GuiListBox::add_item(GuiItem* item) {
} else
_bottom_stack.push_back(item);
}
visible_patching();
this->deal_with_buttons();
}
int GuiListBox::freeze(void) {
@ -278,26 +194,14 @@ int GuiListBox::freeze(void) {
gui_cat->spam() << "GuiListBox::freeze()" << endl;
for (i=_top_stack.begin(); i!=_top_stack.end(); ++i) {
if (*i == _up_arrow)
continue;
if (*i == _down_arrow)
continue;
int count = (*i)->freeze();
result = max(result, count);
}
for (i=_visible.begin(); i!=_visible.end(); ++i) {
if (*i == _up_arrow)
continue;
if (*i == _down_arrow)
continue;
int count = (*i)->freeze();
result = max(result, count);
}
for (j=_bottom_stack.begin(); j!=_bottom_stack.end(); ++j) {
if (*j == _up_arrow)
continue;
if (*j == _down_arrow)
continue;
int count = (*j)->freeze();
result = max(result, count);
}
@ -313,26 +217,14 @@ int GuiListBox::thaw(void) {
gui_cat->spam() << "GuiListBox::thaw()" << endl;
for (i=_top_stack.begin(); i!=_top_stack.end(); ++i) {
if (*i == _up_arrow)
continue;
if (*i == _down_arrow)
continue;
int count = (*i)->thaw();
result = max(result, count);
}
for (i=_visible.begin(); i!=_visible.end(); ++i) {
if (*i == _up_arrow)
continue;
if (*i == _down_arrow)
continue;
int count = (*i)->thaw();
result = max(result, count);
}
for (j=_bottom_stack.begin(); j!=_bottom_stack.end(); ++j) {
if (*j == _up_arrow)
continue;
if (*j == _down_arrow)
continue;
int count = (*j)->thaw();
result = max(result, count);
}
@ -346,6 +238,9 @@ void GuiListBox::manage(GuiManager* mgr, EventHandler& eh) {
this->recompute_frame();
for (ItemVector::iterator i=_visible.begin(); i!=_visible.end(); ++i)
(*i)->manage(mgr, eh);
_up_arrow->manage(mgr, eh);
_down_arrow->manage(mgr, eh);
this->deal_with_buttons();
GuiBehavior::manage(mgr, eh);
} else
gui_cat->warning() << "tried to manage listbox (0x" << (void*)this
@ -357,6 +252,9 @@ void GuiListBox::manage(GuiManager* mgr, EventHandler& eh, Node* n) {
this->recompute_frame();
for (ItemVector::iterator i=_visible.begin(); i!=_visible.end(); ++i)
(*i)->manage(mgr, eh, n);
_up_arrow->manage(mgr, eh, n);
_down_arrow->manage(mgr, eh, n);
this->deal_with_buttons();
GuiBehavior::manage(mgr, eh, n);
} else
gui_cat->warning() << "tried to manage listbox (0x" << (void*)this
@ -366,6 +264,8 @@ void GuiListBox::manage(GuiManager* mgr, EventHandler& eh, Node* n) {
void GuiListBox::unmanage(void) {
for (ItemVector::iterator i=_visible.begin(); i!=_visible.end(); ++i)
(*i)->unmanage();
_up_arrow->unmanage();
_down_arrow->unmanage();
GuiBehavior::unmanage();
}
@ -378,6 +278,8 @@ void GuiListBox::set_scale(float f) {
for (ItemDeque::iterator j=_bottom_stack.begin(); j!=_bottom_stack.end();
++j)
(*j)->set_scale(f);
_up_arrow->set_scale(f);
_down_arrow->set_scale(f);
GuiBehavior::set_scale(f);
}
@ -390,6 +292,8 @@ void GuiListBox::set_scale(float x, float y, float z) {
for (ItemDeque::iterator j=_bottom_stack.begin(); j!=_bottom_stack.end();
++j)
(*j)->set_scale(x, y, z);
_up_arrow->set_scale(x, y, z);
_down_arrow->set_scale(x, y, z);
GuiBehavior::set_scale(x, y, z);
}
@ -402,142 +306,71 @@ void GuiListBox::set_pos(const LVector3f& p) {
for (ItemDeque::iterator j=_bottom_stack.begin(); j!=_bottom_stack.end();
++j)
(*j)->set_pos(p);
_up_arrow->set_pos(p);
_down_arrow->set_pos(p);
GuiBehavior::set_pos(p);
}
#include "guiButton.h"
static void handle_scroll_up(CPT_Event, void* lb) {
GuiListBox* b = (GuiListBox*)lb;
b->scroll_up();
}
static void handle_scroll_down(CPT_Event, void* lb) {
GuiListBox* b = (GuiListBox*)lb;
b->scroll_down();
}
void GuiListBox::start_behavior(void) {
GuiBehavior::start_behavior();
if (_mgr == (GuiManager*)0L)
return;
if (_up_arrow->is_of_type(GuiButton::get_class_type()) &&
_down_arrow->is_of_type(GuiButton::get_class_type())) {
GuiButton* up = DCAST(GuiButton, _up_arrow);
GuiButton* dn = DCAST(GuiButton, _down_arrow);
/*
if (_up_functor != (GuiListBox::ListFunctor*)0L) {
up->set_behavior_functor(_up_functor->get_prev());
delete _up_functor;
}
_up_functor = new GuiListBox::ListFunctor(this,
up->get_behavior_functor());
up->set_behavior_functor(_up_functor);
*/
string ev = this->get_name();
ev += "-scroll-up";
up->set_behavior_event(ev);
up->start_behavior();
_eh->add_hook(ev, handle_scroll_up, (void*)this);
/*
if (_down_functor != (GuiListBox::ListFunctor*)0L) {
dn->set_behavior_functor(_down_functor->get_prev());
delete _down_functor;
}
_down_functor = new GuiListBox::ListFunctor(this,
dn->get_behavior_functor());
dn->set_behavior_functor(_down_functor);
*/
ev = this->get_name();
ev += "-scroll-down";
dn->set_behavior_event(ev);
dn->start_behavior();
_eh->add_hook(ev, handle_scroll_down, (void*)this);
} else
gui_cat->error() << "tried to run behavior on listbox '"
<< this->get_name()
<< "', but up and down arrows are not buttons" << endl;
if (_up_functor != (GuiListBox::ListFunctor*)0L) {
_up_arrow->set_behavior_functor(_up_functor->get_prev());
delete _up_functor;
}
_up_functor =
new GuiListBox::ListFunctor(this, _up_arrow->get_behavior_functor());
_up_arrow->set_behavior_functor(_up_functor);
_up_arrow->start_behavior();
if (_down_functor != (GuiListBox::ListFunctor*)0L) {
_down_arrow->set_behavior_functor(_down_functor->get_prev());
delete _down_functor;
}
_down_functor =
new GuiListBox::ListFunctor(this, _down_arrow->get_behavior_functor());
_down_arrow->set_behavior_functor(_down_functor);
_down_arrow->start_behavior();
}
void GuiListBox::stop_behavior(void) {
GuiBehavior::stop_behavior();
if (_mgr == (GuiManager*)0L)
return;
string ev = this->get_name();
_eh->remove_hook(ev + "-scroll-up", handle_scroll_up, (void*)this);
_eh->remove_hook(ev + "-scroll-down", handle_scroll_down, (void*)this);
/*
if (_up_functor != (GuiListBox::ListFunctor*)0L) {
GuiButton* up = DCAST(GuiButton, _up_arrow);
up->set_behavior_functor(_up_functor->get_prev());
_up_arrow->set_behavior_functor(_up_functor->get_prev());
delete _up_functor;
_up_functor = (GuiListBox::ListFunctor*)0L;
up->stop_behavior();
_up_arrow->stop_behavior();
}
if (_down_functor != (GuiListBox::ListFunctor*)0L) {
GuiButton* dn = DCAST(GuiButton, _down_arrow);
dn->set_behavior_functor(_down_functor->get_prev());
_down_arrow->set_behavior_functor(_down_functor->get_prev());
delete _down_functor;
_down_functor = (GuiListBox::ListFunctor*)0L;
dn->stop_behavior();
_down_arrow->stop_behavior();
}
*/
}
void GuiListBox::reset_behavior(void) {
GuiBehavior::reset_behavior();
if (_mgr == (GuiManager*)0L)
return;
/*
if (_up_functor != (GuiListBox::ListFunctor*)0L) {
GuiButton* up = DCAST(GuiButton, _up_arrow);
up->reset_behavior();
}
if (_down_functor != (GuiListBox::ListFunctor*)0L) {
GuiButton* dn = DCAST(GuiButton, _down_arrow);
dn->reset_behavior();
}
*/
string ev = this->get_name();
_eh->add_hook(ev + "-scroll-up", handle_scroll_up, (void*)this);
_eh->add_hook(ev + "-scroll-down", handle_scroll_down, (void*)this);
if (_up_arrow->is_of_type(GuiButton::get_class_type())) {
GuiButton* up = DCAST(GuiButton, _up_arrow);
up->start_behavior();
up->set_behavior_event(ev + "-scroll-up");
}
if (_down_arrow->is_of_type(GuiButton::get_class_type())) {
GuiButton* down = DCAST(GuiButton, _down_arrow);
down->start_behavior();
down->set_behavior_event(ev + "-scroll-down");
}
if (_up_functor != (GuiListBox::ListFunctor*)0L)
_up_arrow->reset_behavior();
if (_down_functor != (GuiListBox::ListFunctor*)0L)
_down_arrow->reset_behavior();
}
void GuiListBox::set_priority(GuiItem* it, const GuiItem::Priority p) {
ItemVector::iterator i;
ItemDeque::iterator j;
for (i=_top_stack.begin(); i!=_top_stack.end(); ++i) {
if (*i == _up_arrow)
continue;
if (*i == _down_arrow)
continue;
for (i=_top_stack.begin(); i!=_top_stack.end(); ++i)
(*i)->set_priority(it, p);
}
for (i=_visible.begin(); i!=_visible.end(); ++i) {
if (*i == _up_arrow)
continue;
if (*i == _down_arrow)
continue;
for (i=_visible.begin(); i!=_visible.end(); ++i)
(*i)->set_priority(it, p);
}
for (j=_bottom_stack.begin(); j!=_bottom_stack.end(); ++j) {
if (*j == _up_arrow)
continue;
if (*j == _down_arrow)
continue;
for (j=_bottom_stack.begin(); j!=_bottom_stack.end(); ++j)
(*j)->set_priority(it, p);
}
_up_arrow->set_priority(it, p);
_down_arrow->set_priority(it, p);
}
@ -549,41 +382,20 @@ int GuiListBox::set_draw_order(int v) {
ItemVector::iterator i;
ItemDeque::iterator j;
for (i=_top_stack.begin(); i!=_top_stack.end(); ++i) {
if (*i == _up_arrow)
continue;
if (*i == _down_arrow)
continue;
for (i=_top_stack.begin(); i!=_top_stack.end(); ++i)
o = (*i)->set_draw_order(o);
}
for (i=_visible.begin(); i!=_visible.end(); ++i) {
if (*i == _up_arrow)
continue;
if (*i == _down_arrow)
continue;
for (i=_visible.begin(); i!=_visible.end(); ++i)
o = (*i)->set_draw_order(o);
}
for (j=_bottom_stack.begin(); j!=_bottom_stack.end(); ++j) {
if (*j == _up_arrow)
continue;
if (*j == _down_arrow)
continue;
for (j=_bottom_stack.begin(); j!=_bottom_stack.end(); ++j)
o = (*j)->set_draw_order(o);
}
return GuiBehavior::set_draw_order(o);
}
void GuiListBox::output(ostream& os) const {
GuiBehavior::output(os);
os << " Listbox data:" << endl;
os << " There is ";
if (!_arrow_top)
os << "no ";
os << "top arrow (0x" << (void*)_up_arrow << ")" << endl;
os << " There is ";
if (!_arrow_bottom)
os << "no ";
os << "bottom arrow (0x" << (void*)_down_arrow << ")" << endl;
os << " up_arrow = (0x" << (void*)_up_arrow << ")" << endl;
os << " down_arrow = (0x" << (void*)_down_arrow << ")" << endl;
os << " Top stack (" << _top_stack.size() << "):" << endl;
ItemVector::const_iterator i;
for (i=_top_stack.begin(); i!=_top_stack.end(); ++i)
@ -595,6 +407,8 @@ void GuiListBox::output(ostream& os) const {
ItemDeque::const_iterator j;
for (j=_bottom_stack.begin(); j!=_bottom_stack.end(); ++j)
os << " 0x" << (void*)(*j) << " (" << (*j)->get_name() << ")" << endl;
os << *_up_arrow;
os << *_down_arrow;
for (i=_top_stack.begin(); i!=_top_stack.end(); ++i)
os << *(*i);
for (i=_visible.begin(); i!=_visible.end(); ++i)

11
panda/src/gui/guiListBox.h
View File

@ -7,6 +7,7 @@
#define __GUILISTBOX_H__
#include "guiBehavior.h"
#include "guiButton.h"
#include <vector>
#include <deque>
@ -32,10 +33,8 @@ private:
ItemVector _top_stack;
ItemDeque _bottom_stack;
ItemVector _visible;
bool _arrow_top;
bool _arrow_bottom;
PT(GuiItem) _up_arrow;
PT(GuiItem) _down_arrow;
PT(GuiButton) _up_arrow;
PT(GuiButton) _down_arrow;
unsigned int _n_visible;
ListFunctor* _up_functor;
@ -43,9 +42,9 @@ private:
INLINE GuiListBox(void);
virtual void recompute_frame(void);
void visible_patching(void);
virtual void deal_with_buttons(void);
PUBLISHED:
GuiListBox(const string&, int, GuiItem*, GuiItem*);
GuiListBox(const string&, int, GuiButton*, GuiButton*);
~GuiListBox(void);
void scroll_up(void);

20
panda/src/testbed/gui_demo.cxx
View File

@ -595,6 +595,7 @@ static void test10(GuiManager* mgr, Node* font) {
PT(GuiListBox) lb1;
/*
static void test11(GuiManager* mgr, Node* font) {
GuiLabel* ul = GuiLabel::make_simple_text_label("upup", font);
GuiSign* us = new GuiSign("up_arrow", ul);
@ -649,6 +650,7 @@ static void test11(GuiManager* mgr, Node* font) {
lb1->manage(mgr, event_handler);
cout << *lb1;
}
*/
PT(GuiButton) gb1;
@ -692,8 +694,10 @@ static void test13(GuiManager* mgr, Node* font) {
GuiLabel* dl3 = GuiLabel::make_simple_text_label("dndn", font);
GuiButton* db = new GuiButton("down_arrow", dl1, dl2, dl3);
db->set_scale(0.1);
ub->set_behavior_event("demo-event-thing");
db->set_behavior_event("demo-event-thing");
// ub->set_behavior_event("demo-event-thing");
// db->set_behavior_event("demo-event-thing");
ub->set_pos(LVector3f::rfu(0.0, 0.0, 0.8));
db->set_pos(LVector3f::rfu(0.0, 0.0, -0.8));
lb1 = new GuiListBox("list_box", 4, ub, db);
GuiLabel* l1 = GuiLabel::make_simple_text_label("hyena", font);
GuiSign* s1 = new GuiSign("hyena", l1);
@ -1072,9 +1076,9 @@ static void setup_gui(void) {
// test 11
// test11(mgr, font);
// test 12
test12(mgr, font);
// test12(mgr, font);
// test 13
// test13(mgr, font);
test13(mgr, font);
// test 14
// test14(mgr, font);
// test 15
@ -1162,18 +1166,18 @@ static void event_3(CPT_Event) {
}
*/
/*
// for test 11, 13
static void event_3(CPT_Event) {
lb1->scroll_up();
cout << *lb1;
}
*/
/*
// for test 12
static void event_3(CPT_Event) {
gb1->inactive();
}
*/
/*
// for test 14-17
@ -1182,18 +1186,18 @@ static void event_3(CPT_Event) {
}
*/
/*
// for test11, 13
static void event_4(CPT_Event) {
lb1->scroll_down();
cout << *lb1;
}
*/
/*
// for test 12
static void event_4(CPT_Event) {
gb1->up();
}
*/
/*
// for test 14-17