void MyFrame::OnColourGalleryButton(wxCommandEvent& evt)
{
wxRibbonGallery *gallery = wxDynamicCast(evt.GetEventObject(), wxRibbonGallery);
if(gallery == NULL)
return;
m_ribbon->DismissExpandedPanel();
if(gallery->GetSelection())
m_colour_data.SetColour(GetGalleryColour(gallery, gallery->GetSelection(), NULL));
wxColourDialog dlg(this, &m_colour_data);
if(dlg.ShowModal() == wxID_OK)
{
m_colour_data = dlg.GetColourData();
wxColour clr = m_colour_data.GetColour();
// Try to find colour in gallery
wxRibbonGalleryItem *item = NULL;
for(unsigned int i = 0; i < gallery->GetCount(); ++i)
{
item = gallery->GetItem(i);
if(GetGalleryColour(gallery, item, NULL) == clr)
break;
else
item = NULL;
}
// Colour not in gallery - add it
if(item == NULL)
{
item = AddColourToGallery(gallery,
clr.GetAsString(wxC2S_HTML_SYNTAX), m_bitmap_creation_dc,
&clr);
gallery->Realise();
}
// Set selection
gallery->EnsureVisible(item);
gallery->SetSelection(item);
// Send an event to respond to the selection change
wxRibbonGalleryEvent dummy(wxEVT_RIBBONGALLERY_SELECTED, gallery->GetId());
dummy.SetEventObject(gallery);
dummy.SetGallery(gallery);
dummy.SetGalleryItem(item);
ProcessWindowEvent(dummy);
}
}
wxColour wxGetColourFromUser(wxWindow *parent, const wxColour& colInit, const wxString& caption)
{
static wxColourData data;
data.SetChooseFull(true);
if ( colInit.Ok() )
{
data.SetColour((wxColour &)colInit); // const_cast
}
wxColour colRet;
wxColourDialog dialog(parent, &data);
if (!caption.empty())
dialog.SetTitle(caption);
if ( dialog.ShowModal() == wxID_OK )
{
colRet = dialog.GetColourData().GetColour();
}
//else: leave it invalid
return colRet;
}