-/* $Id$
-
-This file is part of libmspgltk
-Copyright © 2007 Mikko Rasa, Mikkosoft Productions
-Distributed under the LGPL
-*/
-
-#include <msp/gl/immediate.h>
#include <msp/gl/matrix.h>
-#include <msp/gl/transform.h>
-#include <msp/strings/formatter.h>
-#include "panel.h"
+#include <msp/strings/format.h>
+#include <msp/strings/utils.h>
+#include "container.h"
#include "resources.h"
+#include "root.h"
#include "widget.h"
using namespace std;
namespace Msp {
namespace GLtk {
-Widget::Widget(const Resources &r):
- res(r),
- style(0),
- state(NORMAL),
- visible(true),
- parent(0)
-{ }
-
Widget::~Widget()
{
if(parent)
- parent->remove(*this);
+ {
+ Container *p = parent;
+ parent = nullptr;
+ p->remove(*this);
+ }
}
void Widget::set_position(int x, int y)
{
- geom.x=x;
- geom.y=y;
- on_geometry_change();
+ set_geometry(Geometry(x, y, geom.w, geom.h));
}
void Widget::set_size(unsigned w, unsigned h)
{
- geom.w=w;
- geom.h=h;
- on_geometry_change();
+ set_geometry(Geometry(geom.x, geom.y, w, h));
+}
+
+void Widget::autosize()
+{
+ Geometry ageom;
+ autosize(ageom);
+ set_geometry(ageom);
+}
+
+void Widget::autosize(Geometry &ageom) const
+{
+ if(!style)
+ return;
+
+ ageom = Geometry(geom.x, geom.y, 0, 0);
+ for(const Part &p: style->get_parts())
+ {
+ if(p.get_name().empty())
+ {
+ const Geometry &pgeom = p.get_geometry();
+ const Sides &pmargin = p.get_margin();
+ ageom.w = max(ageom.w, pgeom.w+pmargin.left+pmargin.right);
+ ageom.h = max(ageom.h, pgeom.h+pmargin.top+pmargin.bottom);
+ }
+ else
+ autosize_special(p, ageom);
+ }
}
void Widget::set_geometry(const Geometry &g)
{
- geom=g;
- on_geometry_change();
+ bool size_changed = (g.w!=geom.w || g.h!=geom.h);
+ geom = g;
+ if(size_changed)
+ {
+ on_size_change();
+ mark_rebuild();
+ }
+}
+
+void Widget::map_coords_to_ancestor(int &x, int &y, const Widget &ancestor) const
+{
+ for(const Widget *w=this; w; w=w->get_parent())
+ {
+ if(w==&ancestor)
+ return;
+
+ const Geometry &wgeom = w->get_geometry();
+ x += wgeom.x;
+ y += wgeom.y;
+ }
+
+ throw hierarchy_error("not an ancestor");
+}
+
+void Widget::map_coords_to_root(int &x, int &y) const
+{
+ for(const Widget *w=this; w; w=w->get_parent())
+ {
+ const Geometry &wgeom = w->get_geometry();
+ x += wgeom.x;
+ y += wgeom.y;
+ }
+}
+
+void Widget::set_parent(Container *p)
+{
+ if(parent && p)
+ throw hierarchy_error("widget already parented");
+ else if(p==parent)
+ return;
+
+ try
+ {
+ parent = p;
+
+ on_reparent();
+ update_style();
+ }
+ catch(...)
+ {
+ // The container has not yet added the widget as its child
+ parent = nullptr;
+ throw;
+ }
}
void Widget::set_style(const string &s)
{
- style_name=s;
+ style_name = s;
update_style();
}
+void Widget::update_style()
+{
+ Widget *top;
+ for(top=this; top->parent; top=top->parent) ;
+ Root *root = dynamic_cast<Root *>(top);
+ if(!root)
+ style = nullptr;
+ else
+ {
+ string sname = get_class();
+ append(sname, "-", style_name);
+
+ style = &root->get_resources().get<Style>(sname);
+ }
+
+ on_style_change();
+ signal_autosize_changed.emit();
+ mark_rebuild();
+}
+
+void Widget::set_tooltip(const string &t)
+{
+ tooltip = t;
+}
+
void Widget::set_visible(bool v)
{
if(v==visible)
return;
- visible=v;
+ visible = v;
+
+ signal_visibility_changed.emit(visible);
+}
+
+void Widget::set_focus()
+{
+ if(!parent)
+ throw hierarchy_error("no parent");
+ if(!visible)
+ throw logic_error("!visible");
+
+ signal_request_focus.emit();
+}
+
+void Widget::set_enabled(bool e)
+{
+ set_state(DISABLED, (e ? NORMAL : DISABLED));
+}
+
+void Widget::set_state(State mask, State bits)
+{
+ State old_state = state;
+ state = (state&~mask)|bits;
+ if(style && style->compare_states(old_state, state))
+ mark_rebuild();
+}
+
+void Widget::set_animation_interval(const Time::TimeDelta &iv)
+{
+ if(iv<Time::zero)
+ throw invalid_argument("Widget::set_animation_interval");
+
+ anim_interval = iv;
+ signal_request_animation.emit(anim_interval);
+}
+
+void Widget::stop_animation()
+{
+ set_animation_interval(Time::zero);
+}
+
+void Widget::mark_rebuild()
+{
+ if(rebuild_needed)
+ return;
+
+ rebuild_needed = true;
+ signal_rebuild_needed.emit();
+}
- if(!visible && parent)
- parent->child_hidden(*this);
+void Widget::rebuild_hierarchy()
+{
+ if(rebuild_needed)
+ {
+ rebuild_needed = false;
+ rebuild();
+ }
}
-void Widget::render() const
+void Widget::rebuild()
{
if(!style)
- throw InvalidState(format("Attempt to render a widget without a style (class=\"%s\")", get_class()));
+ return;
- GL::push_matrix();
- GL::translate(geom.x, geom.y, 0);
- for(PartSeq::const_iterator i=style->get_parts().begin(); i!=style->get_parts().end(); ++i)
+ PartCache::Rebuild rebuild_cache(part_cache);
+ for(const Part &p: style->get_parts())
{
- if(i->get_name().empty())
- render_graphic(*i);
+ if(p.get_name().empty())
+ p.build(geom, state, part_cache);
else
- render_special(*i);
+ rebuild_special(p);
}
- GL::pop_matrix();
}
-void Widget::render_graphic(const Part &part) const
+void Widget::rebuild_special(const Part &part)
{
- GL::push_matrix();
- part.render(geom, state);
- GL::pop_matrix();
+ part_cache.insert_special(part);
}
-void Widget::render_text(const Part &part, const string &text) const
+void Widget::render(GL::Renderer &renderer) const
{
- const GL::Font *const font=style->get_font();
- const float font_size=font->get_default_size();
-
- Geometry rgeom;
- rgeom.w=static_cast<unsigned>(font->get_string_width(text)*font_size);
- rgeom.h=static_cast<unsigned>((font->get_ascent()-font->get_descent())*font_size);
- rgeom.y=static_cast<int>(-font->get_descent()*font_size);
- part.get_alignment().apply(rgeom, geom, part.get_margin());
-
- GL::push_matrix();
- GL::translate(rgeom.x, rgeom.y, 0);
- GL::scale_uniform(font_size);
+ if(!style)
+ throw logic_error(format("Attempt to render a widget with null style (class=\"%s\", style_name=\"%s\")", get_class(), style_name));
- const GL::Color &color=style->get_font_color();
- GL::Immediate imm((GL::COLOR4_UBYTE, GL::TEXCOORD2, GL::VERTEX2));
- imm.color(color.r, color.g, color.b);
- font->draw_string(text, imm);
+ static const GL::Tag texture_tag("ui_tex");
- GL::pop_matrix();
+ GL::Renderer::Push _push(renderer);
+ int x = 0;
+ int y = 0;
+ map_coords_to_root(x, y);
+ renderer.set_matrix(GL::Matrix::translation(x, y, 0));
+ for(const CachedPart &p: part_cache.get_parts())
+ {
+ if(p.mesh && p.texture)
+ {
+ renderer.set_texture(texture_tag, p.texture, &style->get_sampler());
+ p.mesh->draw(renderer);
+ }
+ else if(p.part)
+ render_special(*p.part, renderer);
+ }
}
void Widget::pointer_enter()
{
- state|=HOVER;
+ set_state(HOVER);
}
void Widget::pointer_leave()
{
- state&=~HOVER;
+ clear_state(HOVER);
}
-void Widget::focus_in()
+void Widget::touch_press(int x, int y, unsigned finger)
{
- state|=FOCUS;
+ if(finger==0)
+ button_press(x, y, 1);
}
-void Widget::focus_out()
+void Widget::touch_release(int x, int y, unsigned finger)
{
- state&=~FOCUS;
+ if(finger==0)
+ button_release(x, y, 1);
}
-void Widget::update_style()
+void Widget::touch_motion(int x, int y, unsigned finger)
{
- string sname=get_class();
- if(!style_name.empty())
- {
- sname+='-';
- sname+=style_name;
- }
- style=res.get<Style>(sname);
- on_style_change();
+ if(finger==0)
+ pointer_motion(x, y);
}
-void Widget::set_parent(Panel *p)
+void Widget::focus_in()
{
- if(parent && p)
- throw InvalidState("Widget is already in a Panel");
- parent=p;
-
- on_reparent();
+ set_state(FOCUS);
}
-void Widget::set_parent(Widget &w, Panel *p)
+void Widget::focus_out()
{
- w.set_parent(p);
+ clear_state(FOCUS);
}
Widget::Loader::Loader(Widget &w):
- wdg(w)
+ DataFile::ObjectLoader<Widget>(w)
{
add("position", &Loader::position);
add("size", &Loader::size);
void Widget::Loader::position(int x, int y)
{
- wdg.set_position(x, y);
+ obj.set_position(x, y);
}
void Widget::Loader::size(unsigned w, unsigned h)
{
- wdg.set_size(w, h);
+ obj.set_size(w, h);
}
void Widget::Loader::style(const string &s)
{
- wdg.set_style(s);
+ obj.set_style(s);
}
} // namespace GLtk
projects / libs / gltk.git / blobdiff