X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=source%2Fdropdown.cpp;h=ce0ba71f642c45ca7f672e4bf8e80f78d8fb60ed;hb=c8291177b545ec81930603a5915234a60296db51;hp=5f49b9ef33396dea8cd8141d92dcfe52386f9cfd;hpb=af13797a82b242a3cd8fdd405b057a9e311631ac;p=libs%2Fgltk.git diff --git a/source/dropdown.cpp b/source/dropdown.cpp index 5f49b9e..ce0ba71 100644 --- a/source/dropdown.cpp +++ b/source/dropdown.cpp @@ -1,131 +1,182 @@ -/* $Id$ - -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)), - list_active(false) +Dropdown::Dropdown() { - list->signal_item_selected.connect(sigc::mem_fun(this, &Dropdown::list_item_selected)); - - update_style(); + init(); } -Dropdown::~Dropdown() +Dropdown::Dropdown(ListData &d): + list(d) { - delete list; + init(); } -void Dropdown::append(const string &item) +void Dropdown::init() { - list->append(item); + dropped = false; + + add(list); + list.set_view_all(); + 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)); } -void Dropdown::button_press(int x, int y, unsigned btn) +void Dropdown::autosize() { - if(list->get_geometry().is_inside(x, y)) - { - const Geometry &lgeom=list->get_geometry(); - list->button_press(x-lgeom.x, y-lgeom.y, btn); - list_active=true; - } - else if(state==ACTIVE) - { - state=HOVER; - parent->ungrab_pointer(*this); - } - else if(btn==1) + if(!style) + return; + + Widget::autosize(); + list.autosize(); + geom.w = max(geom.w, list.get_geometry().w); + + if(const Part *text_part = style->get_part("text")) { - state=ACTIVE; + const Sides &margin = text_part->get_margin(); + const GL::Font &font = style->get_font(); + float font_size = style->get_font_size(); - if(parent) + unsigned max_w = 0; + const ListData &data = list.get_data(); + for(unsigned i=0; iraise(*this); - parent->grab_pointer(*this); + unsigned w = static_cast(font.get_string_width(data.get_string(i))*font_size); + max_w = max(max_w, w); } + geom.w = max(geom.w, max_w+margin.left+margin.right); + + 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::button_release(int x, int y, unsigned btn) +void Dropdown::set_selected_index(int index) { - if(list_active) - { - const Geometry &lgeom=list->get_geometry(); - list->button_release(x-lgeom.x, y-lgeom.y, btn); - list_active=false; - } + list.set_selected_index(index); + if(index<0) + text.set(string()); +} + +void Dropdown::rebuild_special(const Part &part) +{ + if(part.get_name()=="text") + text.build(part, geom, part_cache); + else + Widget::rebuild_special(part); } -void Dropdown::pointer_motion(int x, int y) +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(list_active) + if(dropped) + { + Container::button_press(x, y, btn); + if(!click_focus) + { + dropped = false; + clear_state(ACTIVE); + signal_ungrab_pointer.emit(); + } + } + else if(btn==1) { - const Geometry &lgeom=list->get_geometry(); - list->pointer_motion(x-lgeom.x, y-lgeom.y); + dropped = true; + set_state(ACTIVE); + signal_grab_pointer.emit(); } } -void Dropdown::pointer_enter() +void Dropdown::on_geometry_change() { - if(state==NORMAL) - state=HOVER; + resize_list(); } -void Dropdown::pointer_leave() +void Dropdown::on_style_change() { - if(state==HOVER) - state=NORMAL; + text.set_style(style); + 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" && state==ACTIVE) - 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(); + 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) +void Dropdown::list_item_selected(unsigned index) { - text=item; + if(dropped) + { + dropped = false; + clear_state(ACTIVE); + signal_ungrab_pointer.emit(); + } - list_active=false; - state=NORMAL; - if(parent) - parent->ungrab_pointer(*this); + text.set(list.get_data().get_string(index)); - signal_item_selected.emit(index, item); + signal_item_selected.emit(index); + rebuild(); } Dropdown::Loader::Loader(Dropdown &d): - Widget::Loader(d) + DataFile::DerivedObjectLoader(d) { add("item", &Loader::item); } -void Dropdown::Loader::item(const string &str) +void Dropdown::Loader::item(const string &v) { - static_cast(wdg).append(str); + dynamic_cast &>(obj.list.get_data()).append(v); } } // namespace GLtk