-/* $Id$
-
-This file is part of libmspgltk
-Copyright © 2007 Mikko Rasa, Mikkosoft Productions
-Distributed under the LGPL
-*/
-
-#include <algorithm>
-#include <msp/core/refptr.h>
+#include <msp/core/algorithm.h>
+#include <msp/core/maputils.h>
#include "button.h"
+#include "column.h"
+#include "draghandle.h"
#include "dropdown.h"
#include "entry.h"
-#include "hslider.h"
+#include "grid.h"
+#include "image.h"
#include "indicator.h"
#include "label.h"
#include "list.h"
#include "panel.h"
#include "part.h"
-#include "table.h"
+#include "progressbar.h"
+#include "row.h"
+#include "slider.h"
+#include "stack.h"
#include "toggle.h"
-#include "vslider.h"
using namespace std;
namespace Msp {
namespace GLtk {
-Panel::Panel(const Resources &r):
- Widget(r),
- pointer_focus(0),
- pointer_grab(0),
- input_focus(0)
-{
- update_style();
-}
-
-Panel::~Panel()
-{
- while(!children.empty())
- delete children.front();
-}
+TypeRegistry<Panel::Loader::AddChildType, Panel::Loader &> Panel::widget_registry;
+bool Panel::widget_registry_init_done = false;
-void Panel::add(Widget &wdg)
+Panel::Panel()
{
- set_parent(wdg, this);
- children.push_back(&wdg);
+ input_type = INPUT_NAVIGATION;
}
-void Panel::remove(Widget &wdg)
+Layout &Panel::get_or_create_layout()
{
- list<Widget *>::iterator i=find(children.begin(), children.end(), &wdg);
- if(i==children.end())
- throw InvalidState("That Widget is not in this Panel");
-
- if(&wdg==pointer_focus)
- set_pointer_focus(0, 0);
- if(&wdg==input_focus)
- set_input_focus(0);
+ if(!layout)
+ {
+ layout = make_unique<Layout>();
+ layout->set_container(*this);
+ }
- set_parent(wdg, 0);
- children.erase(i);
+ return *layout;
}
-void Panel::raise(Widget &wdg)
+void Panel::autosize_special(const Part &part, Geometry &ageom) const
{
- list<Widget *>::iterator i=find(children.begin(), children.end(), &wdg);
- if(i==children.end())
- throw InvalidState("That Widget is not in this Panel");
-
- children.erase(i);
- children.push_back(&wdg);
+ if(part.get_name()=="children" && layout)
+ layout->autosize(ageom);
}
-void Panel::button_press(int x, int y, unsigned btn)
+void Panel::render_special(const Part &part, GL::Renderer &renderer) const
{
- if(pointer_grab>0)
- {
- const Geometry &cgeom=pointer_focus->get_geometry();
- pointer_focus->button_press(x-cgeom.x, y-cgeom.y, btn);
- }
- else if(geom.is_inside_relative(x, y))
+ if(part.get_name()=="children")
{
- if(Widget *wdg=get_child_at(x, y))
- {
- set_pointer_focus(wdg, btn);
- set_input_focus(wdg);
-
- const Geometry &cgeom=wdg->get_geometry();
- wdg->button_press(x-cgeom.x, y-cgeom.y, btn);
- }
+ for(const unique_ptr<Child> &c: children)
+ if(c->widget->is_visible())
+ c->widget->render(renderer);
}
}
-void Panel::button_release(int x, int y, unsigned btn)
+bool Panel::navigate(Navigation nav)
{
- if(pointer_grab>0)
+ if(Container::navigate(nav))
+ return true;
+
+ if(nav==NAV_UP || nav==NAV_DOWN || nav==NAV_LEFT || nav==NAV_RIGHT)
{
- const Geometry &cgeom=pointer_focus->get_geometry();
- pointer_focus->button_release(x-cgeom.x, y-cgeom.y, btn);
+ int nav_x = (nav==NAV_RIGHT ? 1 : nav==NAV_LEFT ? -1 : 0);
+ int nav_y = (nav==NAV_UP ? 1 : nav==NAV_DOWN ? -1 : 0);
- if(btn==pointer_grab)
- set_pointer_focus(get_child_at(x, y), 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;
+ }
+
+ if(pointer_grabbed && pointer_focus==input_focus)
+ return false;
+
+ 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;
+ }
}
- else if(geom.is_inside_relative(x, y))
+ else if(nav==NAV_NEXT || nav==NAV_PREVIOUS)
{
- if(Widget *wdg=get_child_at(x, y))
+ auto i = find(nav_order, input_focus);
+
+ if(nav==NAV_NEXT)
+ {
+ if(i!=nav_order.end())
+ ++i;
+ if(i==nav_order.end())
+ i = nav_order.begin();
+ }
+ else
{
- const Geometry &cgeom=wdg->get_geometry();
- wdg->button_release(x-cgeom.x, y-cgeom.y, btn);
+ if(i==nav_order.begin())
+ i = nav_order.end();
+ --i;
}
+
+ set_input_focus(*i);
+
+ return true;
}
+
+ return false;
}
-void Panel::pointer_motion(int x, int y)
+Widget *Panel::find_next_child(int origin_x, int origin_y, int origin_dim, int nav_x, int nav_y) const
{
- if(pointer_grab>0)
- {
- const Geometry &cgeom=pointer_focus->get_geometry();
- pointer_focus->pointer_motion(x-cgeom.x, y-cgeom.y);
- }
- else if(geom.is_inside_relative(x, y))
+ Widget *sibling = nullptr;
+ int best_score = 0;
+ for(const unique_ptr<Child> &c: children)
{
- Widget *wdg=get_child_at(x, y);
- set_pointer_focus(wdg, 0);
- if(wdg)
+ if(c->widget==input_focus || !c->widget->is_focusable())
+ continue;
+
+ const Geometry &cgeom = c->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))
{
- const Geometry &cgeom=wdg->get_geometry();
- wdg->pointer_motion(x-cgeom.x, y-cgeom.y);
+ sibling = c->widget;
+ best_score = score;
}
}
+
+ return sibling;
}
-void Panel::pointer_leave()
+int Panel::compute_delta(int pos, int dim, int origin_pos, int origin_dim, int nav)
{
- set_pointer_focus(0, 0);
+ 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
+ return 0;
}
-void Panel::key_press(unsigned key, unsigned mod, wchar_t ch)
+void Panel::on_size_change()
{
- if(input_focus)
- input_focus->key_press(key, mod, ch);
+ if(layout)
+ layout->update();
}
-void Panel::key_release(unsigned key, unsigned mod)
+void Panel::on_child_added(Widget &wdg)
{
- if(input_focus)
- input_focus->key_release(key, mod);
+ if(wdg.get_input_type()!=INPUT_NONE)
+ nav_order.push_back(&wdg);
+
+ if(layout)
+ {
+ layout->add_widget(wdg);
+ signal_autosize_changed.emit();
+ }
}
-void Panel::focus_out()
+void Panel::on_child_removed(Widget &wdg)
{
- set_input_focus(0);
+ auto i = std::remove(nav_order.begin(), nav_order.end(), &wdg);
+ if(i!=nav_order.end())
+ nav_order.erase(i, nav_order.end());
+
+ if(layout)
+ {
+ layout->remove_widget(wdg);
+ signal_autosize_changed.emit();
+ }
}
-void Panel::child_hidden(Widget &wdg)
+
+Panel::Loader::Loader(Panel &p, map<string, Widget *> &m):
+ DataFile::DerivedObjectLoader<Panel, Widget::Loader>(p),
+ wdg_map(m),
+ last_widget(nullptr)
{
- if(&wdg==pointer_focus)
- set_pointer_focus(0, 0);
- if(&wdg==input_focus)
- set_input_focus(0);
+ if(!widget_registry_init_done)
+ {
+ widget_registry_init_done = true;
+ register_child_type<Button>("button");
+ register_child_type<DragHandle>("draghandle");
+ register_child_type<Dropdown>("dropdown");
+ register_child_type<Entry>("entry");
+ register_child_type<HSlider>("hslider");
+ register_child_type<Image>("image");
+ register_child_type<Indicator>("indicator");
+ register_child_type<Label>("label");
+ register_child_type<List>("list");
+ register_child_type<Panel>("panel");
+ register_child_type<ProgressBar>("progressbar");
+ register_child_type<Toggle>("toggle");
+ register_child_type<VSlider>("vslider");
+ }
+
+ add("column", &Loader::arrangement<Column>);
+ add("constraint",&Loader::constraint);
+ add("expand", &Loader::expand);
+ add("ghost", &Loader::ghost);
+ add("gravity", &Loader::gravity);
+ add("grid", &Loader::grid);
+ add("layout", &Loader::layout);
+ add("row", &Loader::arrangement<Row>);
+ add("stack", &Loader::arrangement<Stack>);
+ widget_registry.invoke_all(*this);
}
-void Panel::grab_pointer(Widget &wdg)
+Widget &Panel::Loader::get_last_widget()
{
- if(pointer_grab==0 || pointer_focus==&wdg)
- set_pointer_focus(&wdg, 255);
- else
- throw InvalidState("Pointer is already grabbed");
+ if(!last_widget)
+ throw logic_error("no widget loaded");
+
+ return *last_widget;
}
-void Panel::ungrab_pointer(Widget &wdg)
+template<typename T>
+void Panel::Loader::arrangement()
{
- if(pointer_focus==&wdg)
- set_pointer_focus(0, 0);
- else if(pointer_grab>0)
- throw Exception("Someone is trying to steal the pointer!");
+ T arr(obj.get_or_create_layout());
+ ArrangedLoader<T> ldr(*this, arr);
+ load_sub_with(ldr);
}
-void Panel::grab_focus(Widget &wdg)
+void Panel::Loader::constraint(Layout::ConstraintType type, const string &n)
{
- list<Widget *>::iterator i=find(children.begin(), children.end(), &wdg);
- if(i==children.end())
- throw InvalidState("That Widget is not in this Panel");
-
- set_input_focus(&wdg);
- if(parent)
- parent->grab_focus(*this);
+ Widget &src = get_last_widget();
+ Widget &tgt = *get_item(wdg_map, n);
+ obj.get_or_create_layout().add_constraint(src, type, tgt);
}
-void Panel::render_special(const Part &part) const
+void Panel::Loader::expand(bool h, bool v)
{
- if(part.get_name()=="children")
- {
- for(list<Widget *>::const_iterator i=children.begin(); i!=children.end(); ++i)
- if((*i)->is_visible())
- (*i)->render();
- }
+ obj.get_or_create_layout().set_expand(get_last_widget(), h, v);
}
-void Panel::set_pointer_focus(Widget *wdg, int grab)
+void Panel::Loader::ghost(bool g)
{
- if(grab>0 && !wdg)
- throw InvalidParameterValue("Can't grab on null widget");
-
- if(wdg!=pointer_focus)
- {
- if(pointer_focus)
- pointer_focus->pointer_leave();
-
- pointer_focus=wdg;
-
- if(pointer_focus)
- pointer_focus->pointer_enter();
- }
-
- pointer_grab=grab;
+ obj.get_or_create_layout().set_ghost(get_last_widget(), g);
}
-void Panel::set_input_focus(Widget *wdg)
+void Panel::Loader::gravity(int h, int v)
{
- if(wdg!=input_focus)
- {
- if(input_focus)
- input_focus->focus_out();
-
- input_focus=wdg;
-
- if(input_focus)
- input_focus->focus_in();
- }
+ obj.get_or_create_layout().set_gravity(get_last_widget(), h, v);
}
-Widget *Panel::get_child_at(int x, int y)
+void Panel::Loader::grid(size_t cols)
{
- for(list<Widget *>::reverse_iterator i=children.rbegin(); i!=children.rend(); ++i)
- if((*i)->is_visible() && (*i)->get_geometry().is_inside(x, y))
- return *i;
-
- return 0;
+ Grid grd(obj.get_or_create_layout(), cols);
+ ArrangedLoader<Grid> ldr(*this, grd);
+ load_sub_with(ldr);
}
-
-Panel::Loader::Loader(Panel &p, map<string, Widget *> &m):
- Widget::Loader(p),
- pnl(p),
- wdg_map(m)
+void Panel::Loader::layout()
{
- add("button", &Loader::child<Button>);
- add("dropdown", &Loader::child<Dropdown>);
- add("entry", &Loader::child<Entry>);
- add("hslider", &Loader::child<HSlider>);
- add("indicator", &Loader::child<Indicator>);
- add("label", &Loader::child<Label>);
- add("list", &Loader::child<List>);
- add("panel", &Loader::panel);
- add("table", &Loader::child<Table>);
- add("toggle", &Loader::child<Toggle>);
- add("vslider", &Loader::child<VSlider>);
+ Layout::Loader ldr(obj.get_or_create_layout(), wdg_map);
+ load_sub_with(ldr);
}
-template<typename T>
-void Panel::Loader::child(const string &n)
+template<>
+void Panel::Loader::unnamed_child<Panel>()
{
- RefPtr<T> chl=new T(pnl.res);
- load_sub(*chl);
- pnl.add(*chl.get());
- wdg_map[n]=chl.release();
+ unique_ptr<Panel> pnl = make_unique<Panel>();
+ load_sub(*pnl, wdg_map);
+ Widget *wdg = pnl.get();
+ obj.add(move(pnl));
+ last_widget = wdg;
}
-void Panel::Loader::panel(const string &n)
+
+template<typename T>
+Panel::ArrangedLoader<T>::ArrangedLoader(Loader &ldr, T &arr):
+ arr_loader(arr)
{
- RefPtr<Panel> p=new Panel(pnl.res);
- load_sub(*p, wdg_map);
- pnl.add(*p.get());
- wdg_map[n]=p.release();
+ add_auxiliary_loader(ldr);
+ add_auxiliary_loader(arr_loader);
}
} // namespace GLtk
projects / libs / gltk.git / blobdiff