+#include <msp/core/algorithm.h>
#include "container.h"
+#include "part.h"
using namespace std;
{ }
-Container::Container():
- click_focus(0),
- click_button(0),
- pointer_focus(0),
- pointer_grabbed(false),
- input_focus(0)
-{ }
-
Container::~Container()
{
+ // Clear children here while members are still valid
while(!children.empty())
- delete children.front()->widget;
+ {
+ if(children.back()->own_widget)
+ /* Avoid destroying the unique_ptr for the widget from within its own
+ reset() function */
+ unique_ptr<Widget> w = move(children.back()->own_widget);
+ else
+ children.pop_back();
+ }
+}
+
+void Container::add(unique_ptr<Widget> wdg)
+{
+ add_child(*wdg).own_widget = move(wdg);
}
-void Container::add(Widget &wdg)
+void Container::remove(Widget &wdg)
+{
+ auto i = find_if(children, [&wdg](const unique_ptr<Child> &c){ return c->widget==&wdg; });
+ if(i==children.end())
+ throw hierarchy_error("widget not in container");
+
+ unique_ptr<Widget> owned = move((*i)->own_widget);
+ if(&wdg==saved_input_focus)
+ saved_input_focus = nullptr;
+ wdg.set_parent(nullptr);
+ children.erase(i);
+ if(wdg.get_animation_interval())
+ check_animation_interval();
+ on_child_removed(wdg);
+}
+
+Container::Child &Container::add_child(Widget &wdg)
{
wdg.set_parent(this);
- children.push_back(create_child(&wdg));
+ children.push_back(make_unique<Child>(*this, &wdg));
+ if(wdg.get_animation_interval())
+ check_animation_interval();
+ children_rebuild_needed = true;
+ signal_rebuild_needed.emit();
on_child_added(wdg);
+ return *children.back();
}
-void Container::remove(Widget &wdg)
+Geometry Container::determine_child_geometry(const Widget &child, const Part &part) const
{
- for(list<Child *>::iterator i=children.begin(); i!=children.end(); ++i)
- if((*i)->widget==&wdg)
- {
- wdg.set_parent(0);
- delete *i;
- children.erase(i);
- on_child_removed(wdg);
- return;
- }
+ Geometry pgeom = part.get_geometry();
+ if(!pgeom.w || !pgeom.h)
+ {
+ Geometry cgeom;
+ child.autosize(cgeom);
+ if(!pgeom.w)
+ pgeom.w = cgeom.w;
+ if(!pgeom.h)
+ pgeom.h = cgeom.h;
+ }
- throw hierarchy_error("widget not in container");
+ part.get_alignment().apply(pgeom, geom, part.get_margin());
+ return pgeom;
}
-Container::Child *Container::create_child(Widget *wdg)
+void Container::autosize_child(const Widget &child, const Part &part, Geometry &ageom) const
{
- return new Child(*this, wdg);
+ Geometry cgeom = determine_child_geometry(child, part);
+ const Sides &margin = part.get_margin();
+ ageom.w = max(ageom.w, cgeom.w+margin.left+margin.right);
+ ageom.h = max(ageom.h, cgeom.h+margin.top+margin.bottom);
}
-list<Widget *> Container::get_children() const
+void Container::reposition_child(Widget &child, const Part &part) const
{
- list<Widget *> result;
- for(list<Child *>::const_iterator i=children.begin(); i!=children.end(); ++i)
- result.push_back((*i)->widget);
+ child.set_geometry(determine_child_geometry(child, part));
+}
+
+vector<Widget *> Container::get_children() const
+{
+ vector<Widget *> result;
+ for(const unique_ptr<Child> &c: children)
+ result.push_back(c->widget);
return result;
}
-Widget *Container::get_child_at(int x, int y)
+Widget *Container::find_child_at(int x, int y) const
{
- for(list<Child *>::iterator i=children.end(); i!=children.begin();)
+ for(auto i=children.end(); i!=children.begin();)
if((*--i)->widget->is_visible() && (*i)->widget->get_geometry().is_inside(x, y))
return (*i)->widget;
- return 0;
+ return nullptr;
}
-Widget *Container::get_descendant_at(int x, int y)
+Widget *Container::find_descendant_at(int x, int y) const
{
- Widget *wdg = get_child_at(x, y);
+ Widget *wdg = find_child_at(x, y);
if(Container *cont = dynamic_cast<Container *>(wdg))
{
const Geometry &cgeom = wdg->get_geometry();
- Widget *wdg2 = cont->get_descendant_at(x-cgeom.x, y-cgeom.y);
- if(wdg2)
+ if(Widget *wdg2 = cont->find_descendant_at(x-cgeom.x, y-cgeom.y))
return wdg2;
}
return wdg;
void Container::raise(Widget &wdg)
{
- for(list<Child *>::iterator i=children.begin(); i!=children.end(); ++i)
- if((*i)->widget==&wdg)
- {
- children.splice(children.end(), children, i);
- return;
- }
+ auto i = find_if(children, [&wdg](const unique_ptr<Child> &c){ return c->widget==&wdg; });
+ if(i==children.end())
+ throw hierarchy_error("widget not in container");
- throw hierarchy_error("widget not in container");
+ unique_ptr<Child> c = move(*i);
+ children.erase(i);
+ children.push_back(move(c));
}
-void Container::set_pointer_focus(Widget *wdg)
+void Container::set_pointer_focus(Widget *wdg, bool grab)
{
if(wdg!=pointer_focus)
{
pointer_focus->pointer_leave();
pointer_focus = wdg;
+ pointer_grabbed = grab;
if(pointer_focus)
pointer_focus->pointer_enter();
}
+ else
+ pointer_grabbed = grab;
}
void Container::set_input_focus(Widget *wdg)
input_focus->focus_out();
input_focus = wdg;
+ on_input_focus_changed(input_focus);
if(input_focus)
- {
- raise(*wdg);
input_focus->focus_in();
- }
}
}
return input_focus;
}
-void Container::button_press(int x, int y, unsigned btn)
+void Container::check_animation_interval()
{
- if(pointer_grabbed)
- {
- const Geometry &cgeom = pointer_focus->get_geometry();
- pointer_focus->button_press(x-cgeom.x, y-cgeom.y, btn);
- }
- else
+ Time::TimeDelta shortest;
+ for(const unique_ptr<Child> &c: children)
{
- if(Widget *wdg = get_child_at(x, y))
- {
- set_pointer_focus(wdg);
- if(wdg->is_focusable())
- set_input_focus(wdg);
- }
- if(click_focus)
- {
- const Geometry &cgeom = click_focus->get_geometry();
- click_focus->button_press(x-cgeom.x, y-cgeom.y, btn);
- }
- else
- {
- if(Widget *wdg = get_child_at(x, y))
- {
- click_focus = wdg;
- click_button = btn;
-
- const Geometry &cgeom = wdg->get_geometry();
- wdg->button_press(x-cgeom.x, y-cgeom.y, btn);
- }
- }
+ const Time::TimeDelta &child_iv = c->widget->get_animation_interval();
+ if(child_iv && (!shortest || child_iv<shortest))
+ shortest = child_iv;
}
+
+ if(shortest!=anim_interval)
+ set_animation_interval(shortest);
}
-void Container::button_release(int x, int y, unsigned btn)
+void Container::rebuild_hierarchy()
{
- if(pointer_grabbed)
+ Widget::rebuild_hierarchy();
+
+ if(children_rebuild_needed)
{
- const Geometry &cgeom = pointer_focus->get_geometry();
- pointer_focus->button_release(x-cgeom.x, y-cgeom.y, btn);
+ children_rebuild_needed = false;
+ for(const unique_ptr<Child> &c: children)
+ c->widget->rebuild_hierarchy();
}
- else if(click_focus)
+}
+
+void Container::button_press(int x, int y, unsigned btn)
+{
+ if(Widget *child = get_pointer_target(x, y, false))
{
- Widget *wdg = click_focus;
+ if(!click_focus)
+ {
+ set_pointer_focus(child);
+ if(child->is_focusable())
+ set_input_focus(child);
- if(btn==click_button)
- click_focus = 0;
+ click_focus = child;
+ click_button = btn;
+ }
- const Geometry &cgeom = wdg->get_geometry();
- wdg->button_release(x-cgeom.x, y-cgeom.y, btn);
+ const Geometry &cgeom = child->get_geometry();
+ child->button_press(x-cgeom.x, y-cgeom.y, btn);
}
- else
+}
+
+void Container::button_release(int x, int y, unsigned btn)
+{
+ if(Widget *child = get_pointer_target(x, y, false))
{
- if(Widget *wdg = get_child_at(x, y))
+ if(child==click_focus && btn==click_button)
{
- const Geometry &cgeom = wdg->get_geometry();
- wdg->button_release(x-cgeom.x, y-cgeom.y, btn);
+ click_focus = nullptr;
+ if(!pointer_focus)
+ set_pointer_focus(find_child_at(x, y));
}
+
+ const Geometry &cgeom = child->get_geometry();
+ child->button_release(x-cgeom.x, y-cgeom.y, btn);
}
}
void Container::pointer_motion(int x, int y)
{
- if(pointer_grabbed)
+ Widget *child = get_pointer_target(x, y, false);
+ if(!pointer_grabbed)
+ set_pointer_focus((child && child->get_geometry().is_inside(x, y)) ? child : nullptr);
+
+ if(child)
{
- const Geometry &cgeom = pointer_focus->get_geometry();
- pointer_focus->pointer_motion(x-cgeom.x, y-cgeom.y);
+ const Geometry &cgeom = child->get_geometry();
+ child->pointer_motion(x-cgeom.x, y-cgeom.y);
}
+}
+
+Widget *Container::get_pointer_target(int x, int y, bool touch) const
+{
+ if(pointer_grabbed)
+ return pointer_focus;
+ else if(!touch && click_focus)
+ return click_focus;
+ else if(touch && touch_focus)
+ return touch_focus;
else
{
- set_pointer_focus(get_child_at(x, y));
- if(click_focus)
- {
- const Geometry &cgeom = click_focus->get_geometry();
- click_focus->pointer_motion(x-cgeom.x, y-cgeom.y);
- }
+ Widget *child = find_child_at(x, y);
+ if(child && child->is_enabled())
+ return child;
else
- {
- Widget *wdg = get_child_at(x, y);
- if(wdg)
- {
- const Geometry &cgeom = wdg->get_geometry();
- wdg->pointer_motion(x-cgeom.x, y-cgeom.y);
- }
- }
+ return nullptr;
}
}
void Container::pointer_leave()
{
Widget::pointer_leave();
- click_focus = 0;
- set_pointer_focus(0);
+ set_pointer_focus(nullptr);
+}
+
+void Container::touch_press(int x, int y, unsigned finger)
+{
+ if(Widget *child = get_pointer_target(x, y, true))
+ {
+ // TODO track focus for each finger separately
+ if(!touch_focus)
+ touch_focus = child;
+
+ const Geometry &cgeom = child->get_geometry();
+ child->touch_press(x-cgeom.x, y-cgeom.y, finger);
+ }
}
-void Container::key_press(unsigned key, unsigned mod)
+void Container::touch_release(int x, int y, unsigned finger)
{
- if(input_focus)
- input_focus->key_press(key, mod);
+ if(Widget *child = get_pointer_target(x, y, true))
+ {
+ // TODO track focus for each finger separately
+ if(child==touch_focus)
+ touch_focus = nullptr;
+
+ const Geometry &cgeom = child->get_geometry();
+ child->touch_release(x-cgeom.x, y-cgeom.y, finger);
+ }
+}
+
+void Container::touch_motion(int x, int y, unsigned finger)
+{
+ if(Widget *child = get_pointer_target(x, y, true))
+ {
+ const Geometry &cgeom = child->get_geometry();
+ child->touch_motion(x-cgeom.x, y-cgeom.y, finger);
+ }
}
-void Container::key_release(unsigned key, unsigned mod)
+bool Container::key_press(unsigned key, unsigned mod)
{
- if(input_focus)
- input_focus->key_release(key, mod);
+ if(input_focus && input_focus->is_enabled())
+ return input_focus->key_press(key, mod);
+ else
+ return false;
}
-void Container::character(wchar_t ch)
+bool Container::key_release(unsigned key, unsigned mod)
{
- if(input_focus)
- input_focus->character(ch);
+ if(input_focus && input_focus->is_enabled())
+ return input_focus->key_release(key, mod);
+ else
+ return false;
+}
+
+bool Container::character(wchar_t ch)
+{
+ if(input_focus && input_focus->is_enabled())
+ return input_focus->character(ch);
+ else
+ return false;
+}
+
+void Container::focus_in()
+{
+ if(saved_input_focus)
+ set_input_focus(saved_input_focus);
+ Widget::focus_in();
}
void Container::focus_out()
{
- set_input_focus(0);
+ saved_input_focus = input_focus;
+ set_input_focus(nullptr);
Widget::focus_out();
}
+bool Container::navigate(Navigation nav)
+{
+ if(input_focus && input_focus->is_enabled())
+ return input_focus->navigate(nav);
+ else
+ return false;
+}
+
+void Container::animate(const Time::TimeDelta &dt)
+{
+ for(const unique_ptr<Child> &c: children)
+ {
+ const Time::TimeDelta &child_iv = c->widget->get_animation_interval();
+ if(!child_iv)
+ continue;
+
+ c->time_since_animate += dt;
+ if(c->time_since_animate>=child_iv)
+ {
+ Time::TimeDelta child_dt = c->time_since_animate;
+ c->time_since_animate = min(c->time_since_animate-child_iv, child_iv);
+ c->widget->animate(child_dt);
+ }
+ }
+}
+
void Container::on_reparent()
{
- for(list<Child *>::iterator i=children.begin(); i!=children.end(); ++i)
+ for(const unique_ptr<Child> &c: children)
{
- if(Container *c = dynamic_cast<Container *>((*i)->widget))
- c->on_reparent();
- (*i)->widget->update_style();
+ if(Container *o = dynamic_cast<Container *>(c->widget))
+ o->on_reparent();
+ c->widget->update_style();
}
}
+void Container::on_input_focus_changed(Widget *wdg)
+{
+ if(wdg)
+ raise(*wdg);
+}
+
Container::Child::Child(Container &c, Widget *w):
container(c),
widget->signal_request_focus.connect(sigc::mem_fun(this, &Child::request_focus));
widget->signal_grab_pointer.connect(sigc::mem_fun(this, &Child::grab_pointer));
widget->signal_ungrab_pointer.connect(sigc::mem_fun(this, &Child::ungrab_pointer));
+ widget->signal_request_animation.connect(sigc::mem_fun(this, &Child::request_animation));
+ widget->signal_rebuild_needed.connect(sigc::mem_fun(this, &Child::rebuild_needed));
+}
+
+Container::Child::Child(Container &c, unique_ptr<Widget> w):
+ Child(c, w.get())
+{
+ own_widget = move(w);
}
Container::Child::~Child()
if(!v)
{
if(widget==container.click_focus)
- container.click_focus = 0;
+ container.click_focus = nullptr;
if(widget==container.pointer_focus)
- container.set_pointer_focus(0);
+ container.set_pointer_focus(nullptr);
if(widget==container.input_focus)
- container.set_input_focus(0);
+ container.set_input_focus(nullptr);
}
}
void Container::Child::request_focus()
{
- container.set_input_focus(widget);
if(container.parent && container.visible)
container.set_focus();
+ if(container.state&FOCUS)
+ container.set_input_focus(widget);
}
void Container::Child::grab_pointer()
{
if(!container.pointer_grabbed)
{
- container.set_pointer_focus(widget);
- container.pointer_grabbed = true;
+ container.set_pointer_focus(widget, true);
container.signal_grab_pointer.emit();
}
}
if(container.pointer_grabbed && container.pointer_focus==widget)
{
// XXX Should set to the widget under pointer
- container.set_pointer_focus(0);
- container.pointer_grabbed = false;
+ container.set_pointer_focus(nullptr);
container.signal_ungrab_pointer.emit();
}
}
+void Container::Child::request_animation(const Time::TimeDelta &interval)
+{
+ if(!interval)
+ time_since_animate = Time::zero;
+ container.check_animation_interval();
+}
+
+void Container::Child::rebuild_needed()
+{
+ container.children_rebuild_needed = true;
+ container.signal_rebuild_needed.emit();
+}
+
} // namespace GLtk
} // namespace Msp
projects / libs / gltk.git / blobdiff