ListNavigationEnabled.cpp File Reference

#include "ListNavigationEnabled.h"

Include dependency graph for ListNavigationEnabled.cpp:

Go to the source code of this file.

Functions
void	ListNavigationEnabled_HandleCharHook (wxWindow *self, wxKeyEvent &evt)
void	ListNavigationEnabled_HandleKeyDown (wxWindow *self, wxKeyEvent &evt)
void	ListNavigationEnabled_HandleNavigationKeyEvent (wxWindow *self, wxNavigationKeyEvent &evt, bool inTabOrder)
void	ListNavigationEnabled_HandleDestroy (wxWindow *self)

Detailed Description

---

Audacity: A Digital Audio Editor

Author

Vitaly Sverchinsky

Definition in file ListNavigationEnabled.cpp.

Function Documentation

ListNavigationEnabled_HandleCharHook()

void ListNavigationEnabled_HandleCharHook	(	wxWindow *	self,
		wxKeyEvent &	evt
	)

Definition at line 13 of file ListNavigationEnabled.cpp.

{
   //We want to restore focus to list item once arrow navigation is used
   //on the child item, for this we need a char hook since key/navigation
   //events are sent directly to the focused item
   const auto keyCode = evt.GetKeyCode();
   if((keyCode == WXK_DOWN || keyCode == WXK_UP) &&
      !self->HasFocus() &&
      self->IsDescendant(wxWindow::FindFocus()))
   {
      self->SetFocusFromKbd();
   }
   else
      evt.Skip();
}

ListNavigationEnabled_HandleDestroy()

void ListNavigationEnabled_HandleDestroy

(

wxWindow *

self

)

Definition at line 73 of file ListNavigationEnabled.cpp.

{
   if(self->IsDescendant(wxWindow::FindFocus()))
   {
      auto next = self->GetNextSibling();
      if(next != nullptr && next->AcceptsFocus())
         next->SetFocus();
      else
      {
         auto prev = self->GetPrevSibling();
         if(prev != nullptr && prev->AcceptsFocus())
            prev->SetFocus();
      }
   }
}

ListNavigationEnabled_HandleKeyDown()

void ListNavigationEnabled_HandleKeyDown	(	wxWindow *	self,
		wxKeyEvent &	evt
	)

Definition at line 29 of file ListNavigationEnabled.cpp.

{
   const auto keyCode = evt.GetKeyCode();
   if(keyCode == WXK_TAB)
      self->NavigateIn(wxNavigationKeyEvent::FromTab | (evt.ShiftDown() ? wxNavigationKeyEvent::IsBackward : wxNavigationKeyEvent::IsForward));
   else if(keyCode == WXK_DOWN)
      self->Navigate(wxNavigationKeyEvent::IsForward);
   else if(keyCode == WXK_UP)
      self->Navigate(wxNavigationKeyEvent::IsBackward);
   else
      evt.Skip();
}

ListNavigationEnabled_HandleNavigationKeyEvent()

void ListNavigationEnabled_HandleNavigationKeyEvent	(	wxWindow *	self,
		wxNavigationKeyEvent &	evt,
		bool	inTabOrder
	)

Definition at line 42 of file ListNavigationEnabled.cpp.

{
   if(evt.GetEventObject() == self->GetParent() && (!evt.IsFromTab() || inTabOrder))
      self->SetFocusFromKbd();
   else if(evt.GetEventObject() == self && evt.GetCurrentFocus() == self && evt.IsFromTab())
   {
      //NavigateIn
      wxPropagationDisabler disableProp(evt);
      const auto isForward = evt.GetDirection();
      const auto& children = self->GetChildren();
      auto node = isForward ? children.GetFirst() : children.GetLast();
      while(node)
      {
         auto child = node->GetData();
         if(child->CanAcceptFocusFromKeyboard())
         {
            if(!child->GetEventHandler()->ProcessEvent(evt))
            {
               child->SetFocusFromKbd();
            }
            evt.Skip(false);
            return;
         }
         node = isForward ? node->GetNext() : node->GetPrevious();
      }
   }
   else
      evt.Skip();
}