]> git.tdb.fi Git - libs/gltk.git/blobdiff - source/panel.cpp
Add Widget::set_focus
[libs/gltk.git] / source / panel.cpp
index f6aad86a856d90aa0440ebb1f0634544a2b3f51b..3123db41bccd2dc6036a7fd89a1facfdea593e06 100644 (file)
@@ -1,5 +1,26 @@
+/* $Id$
+
+This file is part of libmspgltk
+Copyright © 2007  Mikko Rasa, Mikkosoft Productions
+Distributed under the LGPL
+*/
+
+#include <algorithm>
+#include <msp/core/refptr.h>
+#include "button.h"
+#include "dropdown.h"
+#include "entry.h"
+#include "hslider.h"
+#include "indicator.h"
+#include "label.h"
+#include "list.h"
 #include "panel.h"
 #include "part.h"
+#include "table.h"
+#include "toggle.h"
+#include "vslider.h"
+
+using namespace std;
 
 namespace Msp {
 namespace GLtk {
@@ -7,29 +28,66 @@ namespace GLtk {
 Panel::Panel(const Resources &r):
        Widget(r),
        pointer_focus(0),
-       pointer_grab(0)
+       pointer_grab(0),
+       input_focus(0)
 {
        update_style();
 }
 
 Panel::~Panel()
 {
-       for(ChildSeq::iterator i=children.begin(); i!=children.end(); ++i)
-               delete *i;
+       while(!children.empty())
+               delete children.front();
+}
+
+void Panel::add(Widget &wdg)
+{
+       set_parent(wdg, this);
+       children.push_back(&wdg);
+}
+
+void Panel::remove(Widget &wdg)
+{
+       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);
+
+       set_parent(wdg, 0);
+       children.erase(i);
+}
+
+void Panel::raise(Widget &wdg)
+{
+       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);
 }
 
 void Panel::button_press(int x, int y, unsigned btn)
 {
        if(pointer_grab>0)
-               pointer_focus->button_press(x-geom.x, y-geom.y, btn);
-       else if(geom.is_inside(x, y))
        {
-               for(ChildSeq::iterator i=children.begin(); i!=children.end(); ++i)
-                       if((*i)->get_geometry().is_inside(x-geom.x, y-geom.y))
-                       {
-                               (*i)->button_press(x-geom.x, y-geom.y, btn);
-                               pointer_grab=btn;
-                       }
+               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(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);
+               }
        }
 }
 
@@ -37,67 +95,112 @@ void Panel::button_release(int x, int y, unsigned btn)
 {
        if(pointer_grab>0)
        {
-               pointer_focus->button_release(x-geom.x, y-geom.y, btn);
+               const Geometry &cgeom=pointer_focus->get_geometry();
+               pointer_focus->button_release(x-cgeom.x, y-cgeom.y, btn);
 
                if(btn==pointer_grab)
-               {
-                       pointer_grab=0;
-
-                       for(ChildSeq::iterator i=children.begin(); i!=children.end(); ++i)
-                               if((*i)->get_geometry().is_inside(x-geom.x, y-geom.y))
-                               {
-                                       set_pointer_focus(*i);
-                                       break;
-                               }
-               }
+                       set_pointer_focus(get_child_at(x, y), 0);
        }
-       else if(geom.is_inside(x, y))
+       else if(geom.is_inside_relative(x, y))
        {
-               for(ChildSeq::iterator i=children.begin(); i!=children.end(); ++i)
-                       if((*i)->get_geometry().is_inside(x-geom.x, y-geom.y))
-                               (*i)->button_release(x-geom.x, y-geom.y, btn);
+               if(Widget *wdg=get_child_at(x, y))
+               {
+                       const Geometry &cgeom=wdg->get_geometry();
+                       wdg->button_release(x-cgeom.x, y-cgeom.y, btn);
+               }
        }
 }
 
 void Panel::pointer_motion(int x, int y)
 {
        if(pointer_grab>0)
-               pointer_focus->pointer_motion(x-geom.x, y-geom.y);
-       else if(geom.is_inside(x, y))
        {
-               bool found=false;
-               for(ChildSeq::iterator i=children.begin(); i!=children.end(); ++i)
-                       if((*i)->get_geometry().is_inside(x-geom.x, y-geom.y))
-                       {
-                               set_pointer_focus(*i);
-                               (*i)->pointer_motion(x-geom.x, y-geom.y);
-                               found=true;
-                       }
-
-               if(!found)
-                       set_pointer_focus(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 *wdg=get_child_at(x, y);
+               set_pointer_focus(wdg, 0);
+               if(wdg)
+               {
+                       const Geometry &cgeom=wdg->get_geometry();
+                       wdg->pointer_motion(x-cgeom.x, y-cgeom.y);
+               }
        }
 }
 
-void Panel::add(Widget &wdg)
+void Panel::pointer_leave()
 {
-       children.push_back(&wdg);
+       set_pointer_focus(0, 0);
+}
+
+void Panel::key_press(unsigned key, unsigned mod, wchar_t ch)
+{
+       if(input_focus)
+               input_focus->key_press(key, mod, ch);
 }
 
-void Panel::render_part(const Part &part) const
+void Panel::key_release(unsigned key, unsigned mod)
+{
+       if(input_focus)
+               input_focus->key_release(key, mod);
+}
+
+void Panel::focus_out()
+{
+       set_input_focus(0);
+}
+
+void Panel::child_hidden(Widget &wdg)
+{
+       if(&wdg==pointer_focus)
+               set_pointer_focus(0, 0);
+}
+
+void Panel::grab_pointer(Widget &wdg)
+{
+       if(pointer_grab==0 || pointer_focus==&wdg)
+               set_pointer_focus(&wdg, 255);
+       else
+               throw InvalidState("Pointer is already grabbed");
+}
+
+void Panel::ungrab_pointer(Widget &wdg)
+{
+       if(pointer_focus==&wdg)
+               set_pointer_focus(0, 0);
+       else if(pointer_grab>0)
+               throw Exception("Someone is trying to steal the pointer!");
+}
+
+void Panel::grab_focus(Widget &wdg)
+{
+       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);
+}
+
+void Panel::render_special(const Part &part) const
 {
        if(part.get_name()=="children")
        {
-               for(ChildSeq::const_iterator i=children.begin(); i!=children.end(); ++i)
-                       (*i)->render();
+               for(list<Widget *>::const_iterator i=children.begin(); i!=children.end(); ++i)
+                       if((*i)->is_visible())
+                               (*i)->render();
        }
-       else
-               Widget::render_part(part);
 }
 
-void Panel::set_pointer_focus(Widget *wdg)
+void Panel::set_pointer_focus(Widget *wdg, int grab)
 {
-       if(wdg!=pointer_focus && pointer_grab==0)
+       if(grab>0 && !wdg)
+               throw InvalidParameterValue("Can't grab on null widget");
+
+       if(wdg!=pointer_focus)
        {
                if(pointer_focus)
                        pointer_focus->pointer_leave();
@@ -107,6 +210,67 @@ void Panel::set_pointer_focus(Widget *wdg)
                if(pointer_focus)
                        pointer_focus->pointer_enter();
        }
+
+       pointer_grab=grab;
+}
+
+void Panel::set_input_focus(Widget *wdg)
+{
+       if(wdg!=input_focus)
+       {
+               if(input_focus)
+                       input_focus->focus_out();
+
+               input_focus=wdg;
+
+               if(input_focus)
+                       input_focus->focus_in();
+       }
+}
+
+Widget *Panel::get_child_at(int x, int y)
+{
+       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;
+}
+
+
+Panel::Loader::Loader(Panel &p, map<string, Widget *> &m):
+       Widget::Loader(p),
+       pnl(p),
+       wdg_map(m)
+{
+       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>);
+}
+
+template<typename T>
+void Panel::Loader::child(const string &n)
+{
+       RefPtr<T> chl=new T(pnl.res);
+       load_sub(*chl);
+       pnl.add(*chl.get());
+       wdg_map[n]=chl.release();
+}
+
+void Panel::Loader::panel(const string &n)
+{
+       RefPtr<Panel> p=new Panel(pnl.res);
+       load_sub(*p, wdg_map);
+       pnl.add(*p.get());
+       wdg_map[n]=p.release();
 }
 
 } // namespace GLtk