+#include <algorithm>
+#include <msp/core/maputils.h>
+#include <msp/core/refptr.h>
+#include "button.h"
+#include "column.h"
+#include "draghandle.h"
+#include "dropdown.h"
+#include "entry.h"
+#include "grid.h"
+#include "hslider.h"
+#include "image.h"
+#include "indicator.h"
+#include "label.h"
+#include "list.h"
#include "panel.h"
#include "part.h"
+#include "row.h"
+#include "stack.h"
+#include "toggle.h"
+#include "vslider.h"
+
+using namespace std;
namespace Msp {
namespace GLtk {
-Panel::Panel(const Resources &r):
- Widget(r)
+Panel::Panel():
+ layout(0)
{
- update_style();
+ input_type = INPUT_NAVIGATION;
}
Panel::~Panel()
{
- for(ChildSeq::iterator i=children.begin(); i!=children.end(); ++i)
- delete *i;
+ delete layout;
+ layout = 0;
}
-void Panel::add(Widget &wdg)
+void Panel::set_layout(Layout *l)
{
- children.push_back(&wdg);
+ l->set_container(*this);
+ delete layout;
+ layout = l;
}
-void Panel::render_part(const Part &part) const
+void Panel::autosize_special(const Part &part, Geometry &ageom) const
+{
+ if(part.get_name()=="children" && layout)
+ layout->autosize(ageom);
+}
+
+void Panel::render_special(const Part &part, GL::Renderer &renderer) const
{
if(part.get_name()=="children")
{
- for(ChildSeq::const_iterator i=children.begin(); i!=children.end(); ++i)
- (*i)->render();
+ for(list<Container::Child *>::const_iterator i=children.begin(); i!=children.end(); ++i)
+ if((*i)->widget->is_visible())
+ (*i)->widget->render(renderer);
+ }
+}
+
+bool Panel::navigate(Navigation nav)
+{
+ if(Container::navigate(nav))
+ return true;
+
+ if(nav==NAV_UP || nav==NAV_DOWN || nav==NAV_LEFT || nav==NAV_RIGHT)
+ {
+ int nav_x = (nav==NAV_RIGHT ? 1 : nav==NAV_LEFT ? -1 : 0);
+ int nav_y = (nav==NAV_UP ? 1 : nav==NAV_DOWN ? -1 : 0);
+
+ int origin_x, origin_y, origin_dim;
+ if(input_focus)
+ {
+ const Geometry &fgeom = input_focus->get_geometry();
+ origin_x = fgeom.x+(nav_x*0.5+0.5)*fgeom.w;
+ origin_y = fgeom.y+(nav_y*0.5+0.5)*fgeom.h;
+ origin_dim = abs(nav_x)*fgeom.h+abs(nav_y)*fgeom.w;
+ }
+ else
+ {
+ origin_x = geom.w*(0.5-nav_x*0.5);
+ origin_y = geom.h*(0.5-nav_y*0.5);
+ origin_dim = abs(nav_x)*geom.h+abs(nav_y)*geom.w;
+ }
+
+ Widget *sibling = find_next_child(origin_x, origin_y, origin_dim, nav_x, nav_y);
+ if(!sibling && input_focus)
+ {
+ const Geometry &fgeom = input_focus->get_geometry();
+ origin_x -= fgeom.w*(nav_x*0.5);
+ origin_y -= fgeom.h*(nav_y*0.5);
+ sibling = find_next_child(origin_x, origin_y, origin_dim, nav_x, nav_y);
+ }
+
+ if(sibling)
+ {
+ set_input_focus(sibling);
+ if(Panel *panel = dynamic_cast<Panel *>(sibling))
+ panel->navigate(nav);
+ return true;
+ }
+ }
+
+ return false;
+}
+
+Widget *Panel::find_next_child(int origin_x, int origin_y, int origin_dim, int nav_x, int nav_y) const
+{
+ Widget *sibling = 0;
+ int best_score = 0;
+ for(list<Child *>::const_iterator i=children.begin(); i!=children.end(); ++i)
+ {
+ if((*i)->widget==input_focus || !(*i)->widget->is_focusable())
+ continue;
+
+ const Geometry &cgeom = (*i)->widget->get_geometry();
+ int dx = compute_delta(cgeom.x, cgeom.w, origin_x, origin_dim, nav_x);
+ int dy = compute_delta(cgeom.y, cgeom.h, origin_y, origin_dim, nav_y);
+
+ int score = -1;
+ if(nav_y && nav_y*dy>=0)
+ score = nav_y*dy+abs(dx)*4;
+ else if(nav_x && nav_x*dx>=0)
+ score = nav_x*dx+abs(dy)*4;
+
+ if(score>=0 && (!sibling || score<best_score))
+ {
+ sibling = (*i)->widget;
+ best_score = score;
+ }
}
+
+ return sibling;
+}
+
+int Panel::compute_delta(int pos, int dim, int origin_pos, int origin_dim, int nav)
+{
+ if(nav<0)
+ return pos+dim-origin_pos;
+ else if(nav>0)
+ return pos-origin_pos;
+ else if(pos+dim<origin_pos-origin_dim/2)
+ return pos+dim+origin_dim/2-origin_pos;
+ else if(pos>origin_pos+origin_dim/2)
+ return pos-origin_pos-origin_dim/2;
else
- Widget::render_part(part);
+ return 0;
+}
+
+void Panel::on_geometry_change()
+{
+ if(layout)
+ layout->update();
+}
+
+void Panel::on_child_added(Widget &wdg)
+{
+ if(layout)
+ {
+ layout->add_widget(wdg);
+ signal_autosize_changed.emit();
+ }
+}
+
+void Panel::on_child_removed(Widget &wdg)
+{
+ if(layout)
+ {
+ layout->remove_widget(wdg);
+ signal_autosize_changed.emit();
+ }
+}
+
+
+Panel::Loader::Loader(Panel &p, map<string, Widget *> &m):
+ DataFile::DerivedObjectLoader<Panel, Widget::Loader>(p),
+ wdg_map(m),
+ last_widget(0)
+{
+ add("button", &Loader::child<Button>);
+ add("column", &Loader::arrangement<Column>);
+ add("constraint",&Loader::constraint);
+ add("draghandle",&Loader::child<DragHandle>);
+ add("dropdown", &Loader::child<Dropdown>);
+ add("entry", &Loader::child<Entry>);
+ add("expand", &Loader::expand);
+ add("ghost", &Loader::ghost);
+ add("gravity", &Loader::gravity);
+ add("grid", &Loader::grid);
+ add("hslider", &Loader::child<HSlider>);
+ add("image", &Loader::child<Image>);
+ add("indicator", &Loader::child<Indicator>);
+ add("label", &Loader::child<Label>);
+ add("layout", &Loader::layout);
+ add("list", &Loader::child<List>);
+ add("panel", &Loader::panel);
+ add("row", &Loader::arrangement<Row>);
+ add("stack", &Loader::arrangement<Stack>);
+ add("toggle", &Loader::child<Toggle>);
+ add("vslider", &Loader::child<VSlider>);
+}
+
+Layout &Panel::Loader::get_layout()
+{
+ if(!obj.layout)
+ obj.set_layout(new Layout);
+
+ return *obj.layout;
+}
+
+Widget &Panel::Loader::get_last_widget()
+{
+ if(!last_widget)
+ throw logic_error("no widget loaded");
+
+ return *last_widget;
+}
+
+template<typename T>
+void Panel::Loader::arrangement()
+{
+ T arr(get_layout());
+ ArrangedLoader<T> ldr(*this, arr);
+ load_sub_with(ldr);
+}
+
+template<typename T>
+void Panel::Loader::child(const string &n)
+{
+ RefPtr<T> chl = new T();
+ load_sub(*chl);
+ obj.add(*chl.get());
+ last_widget = wdg_map[n] = chl.release();
}
-void Panel::on_button_press(int x, int y, unsigned btn)
+void Panel::Loader::constraint(Layout::ConstraintType type, const string &n)
{
- for(ChildSeq::iterator i=children.begin(); i!=children.end(); ++i)
- (*i)->button_press(x-geom.x, y-geom.y, btn);
+ Widget &src = get_last_widget();
+ Widget &tgt = *get_item(wdg_map, n);
+ get_layout().add_constraint(src, type, tgt);
}
-void Panel::on_button_release(int x, int y, unsigned btn)
+void Panel::Loader::expand(bool h, bool v)
+{
+ get_layout().set_expand(get_last_widget(), h, v);
+}
+
+void Panel::Loader::ghost(bool g)
+{
+ get_layout().set_ghost(get_last_widget(), g);
+}
+
+void Panel::Loader::gravity(int h, int v)
+{
+ get_layout().set_gravity(get_last_widget(), h, v);
+}
+
+void Panel::Loader::grid(unsigned cols)
+{
+ Grid grd(get_layout(), cols);
+ ArrangedLoader<Grid> ldr(*this, grd);
+ load_sub_with(ldr);
+}
+
+void Panel::Loader::layout()
+{
+ Layout::Loader ldr(get_layout(), wdg_map);
+ load_sub_with(ldr);
+}
+
+void Panel::Loader::panel(const string &n)
+{
+ RefPtr<Panel> p = new Panel();
+ load_sub(*p, wdg_map);
+ obj.add(*p.get());
+ last_widget = wdg_map[n] = p.release();
+}
+
+
+template<typename T>
+Panel::ArrangedLoader<T>::ArrangedLoader(Loader &ldr, T &arr):
+ arr_loader(arr)
{
- for(ChildSeq::iterator i=children.begin(); i!=children.end(); ++i)
- (*i)->button_release(x-geom.x, y-geom.y, btn);
+ add_auxiliary_loader(ldr);
+ add_auxiliary_loader(arr_loader);
}
} // namespace GLtk
projects / libs / gltk.git / blobdiff