X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=source%2Fdropdown.cpp;h=41e42fa72fa4b45b399ede99167d3a45d0bbe869;hb=fdc7fecc65f5f517d66abe3546a949a46836c4a6;hp=b25e5944d2548241e534bf78071d37dde44960c7;hpb=f21a56605f3534cb24e5912cd4f4ee28279dcddd;p=libs%2Fgltk.git diff --git a/source/dropdown.cpp b/source/dropdown.cpp index b25e594..41e42fa 100644 --- a/source/dropdown.cpp +++ b/source/dropdown.cpp @@ -1,141 +1,175 @@ -/* $Id$ - -This file is part of libmspgltk -Copyright © 2007 Mikko Rasa, Mikkosoft Productions -Distributed under the LGPL -*/ - +#include #include "dropdown.h" #include "list.h" #include "panel.h" #include "part.h" +#include "root.h" +#include "style.h" +#include "text.h" using namespace std; namespace Msp { namespace GLtk { -Dropdown::Dropdown(const Resources &r): - Widget(r), - list(new List(res)), - dropped(false), - list_active(false) +Dropdown::Dropdown(): + dropped(false) { - list->signal_item_selected.connect(sigc::mem_fun(this, &Dropdown::list_item_selected)); - - update_style(); + add(list); + list.signal_item_selected.connect(sigc::mem_fun(this, &Dropdown::list_item_selected)); + list.signal_autosize_changed.connect(sigc::mem_fun(this, &Dropdown::list_autosize_changed)); } -Dropdown::~Dropdown() +void Dropdown::autosize() { - delete list; + if(!style) + return; + + Widget::autosize(); + geom.w = max(geom.w, list.get_geometry().w); + + if(const Part *text_part = style->get_part("text")) + { + const Sides &margin = text_part->get_margin(); + const GL::Font &font = style->get_font(); + float font_size = style->get_font_size(); + unsigned line_height = static_cast((font.get_ascent()-font.get_descent())*font_size); + geom.h = max(geom.h, line_height+margin.top+margin.bottom); + } + + rebuild(); } void Dropdown::append(const string &item) { - list->append(item); + list.append(item); } void Dropdown::insert(unsigned i, const string &v) { - list->insert(i, v); + list.insert(i, v); } void Dropdown::remove(unsigned i) { - list->remove(i); + list.remove(i); } void Dropdown::clear() { - list->clear(); + list.clear(); +} + +unsigned Dropdown::get_n_items() const +{ + return list.get_n_items(); } void Dropdown::set_selected_index(int i) { - list->set_selected_index(i); + list.set_selected_index(i); } const string &Dropdown::get_selected() const { - return list->get_selected(); + return list.get_selected(); } int Dropdown::get_selected_index() const { - return list->get_selected_index(); + return list.get_selected_index(); } -void Dropdown::button_press(int x, int y, unsigned btn) +void Dropdown::rebuild_special(const Part &part, CachedPart &cache) { - if(list->get_geometry().is_inside(x, y)) + if(part.get_name()=="text") { - const Geometry &lgeom=list->get_geometry(); - list->button_press(x-lgeom.x, y-lgeom.y, btn); - list_active=true; + if(list.get_selected_index()>=0) + Text(*style, list.get_selected()).build(part, geom, cache); + else + cache.texture = 0; } - else if(dropped) +} + +void Dropdown::render_special(const Part &part, GL::Renderer &renderer) const +{ + if(part.get_name()=="list" && dropped) + list.render(renderer); +} + +void Dropdown::button_press(int x, int y, unsigned btn) +{ + if(dropped) { - dropped=false; - state&=~ACTIVE; - parent->ungrab_pointer(*this); + Container::button_press(x, y, btn); + if(!click_focus) + { + dropped = false; + clear_state(ACTIVE); + signal_ungrab_pointer.emit(); + } } else if(btn==1) { - dropped=true; - state|=ACTIVE; - - if(parent) - { - parent->raise(*this); - parent->grab_pointer(*this); - } + dropped = true; + set_state(ACTIVE); + signal_grab_pointer.emit(); } } -void Dropdown::button_release(int x, int y, unsigned btn) +void Dropdown::on_geometry_change() { - if(list_active) - { - const Geometry &lgeom=list->get_geometry(); - list->button_release(x-lgeom.x, y-lgeom.y, btn); - list_active=false; - } + resize_list(); } -void Dropdown::pointer_motion(int x, int y) +void Dropdown::on_style_change() { - if(list_active) - { - const Geometry &lgeom=list->get_geometry(); - list->pointer_motion(x-lgeom.x, y-lgeom.y); - } + resize_list(); } -void Dropdown::render_special(const Part &part) const +void Dropdown::list_autosize_changed() { - if(part.get_name()=="text") - render_text(part, text); - else if(part.get_name()=="list" && dropped) - list->render(); + resize_list(); + signal_autosize_changed.emit(); } -void Dropdown::on_geometry_change() +void Dropdown::resize_list() { - list->set_geometry(Geometry(0, -100, geom.w, 100)); + list.autosize_all(); + Geometry lgeom = list.get_geometry(); + lgeom.x = 0; + lgeom.y = -lgeom.h; + lgeom.w = max(geom.w, lgeom.w); + int root_x = geom.x; + int root_y = geom.y; + for(Widget *p=parent; p; p=p->get_parent()) + { + root_x += p->get_geometry().x; + root_y += p->get_geometry().y; + if(Root *root = dynamic_cast(p)) + { + const Geometry &rgeom = root->get_geometry(); + if(lgeom.h*2>rgeom.h) + lgeom.h = rgeom.h/2; + if(root_y+lgeom.y<0) + lgeom.y = -root_y; + if(root_y+lgeom.y+lgeom.h>rgeom.h) + lgeom.y = rgeom.h-lgeom.h-root_y; + if(root_x+lgeom.x+lgeom.w>rgeom.w) + lgeom.x = rgeom.w-lgeom.w-root_x; + break; + } + } + list.set_geometry(lgeom); } void Dropdown::list_item_selected(unsigned index, const std::string &item) { - text=item; - if(dropped) { - list_active=false; - dropped=false; - state&=~ACTIVE; - if(parent) - parent->ungrab_pointer(*this); + dropped = false; + clear_state(ACTIVE); + signal_ungrab_pointer.emit(); } signal_item_selected.emit(index, item); @@ -150,7 +184,7 @@ Dropdown::Loader::Loader(Dropdown &d): void Dropdown::Loader::item(const string &str) { - static_cast(wdg).append(str); + dynamic_cast(obj).append(str); } } // namespace GLtk