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// SDPGTK
// Copyright (c) 1995-2004, Timothy M. Shead
//
// Contact: tshead@k-3d.com
//
// This program is free software; you can redistribute it and/or
// modify it under the terms of the GNU General Public
// License as published by the Free Software Foundation; either
// version 2 of the License, or (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
// General Public License for more details.
//
// You should have received a copy of the GNU General Public
// License along with this program; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
/** \file
\brief Implements the sdpGtkColorSelector class, a standard color selection dialog
\author Tim Shead (tshead@k-3d.com)
*/
#include "sdpgtkcolorselector.h"
#include "sdpgtkevents.h"
#include "sdpgtkutility.h"
namespace sdpgtk
{
sdpxml::Document& color_selector_template()
{
static sdpxml::Document gtkml("empty");
if(gtkml.Name() == "empty")
{
std::istringstream uitemplate("<gtkml><colorselectiondialog/></gtkml>");
assert(gtkml.Load(uitemplate, "sdpGtkColorSelector builtin template"));
}
return gtkml;
}
} // namespace sdpgtk
/////////////////////////////////////////////////////////////////////////
// sdpGtkColorSelector
sdpGtkColorSelector::sdpGtkColorSelector(SDPCSTRING Title, const double Red, const double Green, const double Blue) :
m_OK(false),
m_Red(Red),
m_Green(Green),
m_Blue(Blue)
{
// Load the GTKML document ...
g_return_if_fail(sdpGtkObjectContainer::Load(sdpgtk::color_selector_template()));
// Set the title ...
RootWindow().SetTitle(Title);
// Hide the help button ...
RootColorSelectionDialog().HelpButton().Hide();
// Our other dialogs don't set a default button ...
RootWindow().SetDefault(0);
// Map some events ...
MapEvent("delete-event", "ondelete", false, RootObject(), true);
MapEvent("destroy", "ondestroy", false, RootObject(), true);
MapEvent("clicked", "onok", false, RootColorSelectionDialog().OKButton(), true);
MapEvent("clicked", "oncancel", false, RootColorSelectionDialog().CancelButton(), true);
MapEvent("color-changed", "oncolorchanged", false, RootColorSelectionDialog().Selection(), true);
// Set the initial color ...
sdpGtkHandlePendingEvents(); // This gives the color selection a chance to initialize its gc properly, before we try to set the color
RootColorSelectionDialog().Selection().SetColor(m_Red, m_Green, m_Blue);
RootWidget().Show();
}
bool sdpGtkColorSelector::OK()
{
return m_OK;
}
bool sdpGtkColorSelector::Cancelled()
{
return !m_OK;
}
SDPCSTRING sdpGtkColorSelector::Title()
{
return m_Title;
}
void sdpGtkColorSelector::Color(double& Red, double& Green, double& Blue)
{
Red = m_Red;
Green = m_Green;
Blue = m_Blue;
}
// Custom event handling ...
void sdpGtkColorSelector::OnEvent(sdpGtkEvent* Event)
{
// Sanity checks ...
g_assert(Event);
if(Event->Name() == "oncolorchanged")
RawOnColorChanged();
else if(Event->Name() == "ondelete")
OnDelete(Event);
else if(Event->Name() == "ondestroy")
OnDestroy();
else if(Event->Name() == "onok")
OnOK();
else if(Event->Name() == "oncancel")
OnCancel();
else if(Event->Name() == "onhelp")
OnHelp();
else
sdpGtkObjectContainer::OnEvent(Event);
}
// Called anytime the color changes ...
void sdpGtkColorSelector::RawOnColorChanged()
{
// This is a hack since GTK+ seems to call this event twice ...
double red, green, blue;
RootColorSelectionDialog().Selection().GetColor(red, green, blue);
if(red != m_Red || green != m_Green || blue != m_Blue)
OnColorChanged();
}
// Called anytime the color changes ...
void sdpGtkColorSelector::OnColorChanged()
{
RootColorSelectionDialog().Selection().GetColor(m_Red, m_Green, m_Blue);
}
// Called when the user hits the WM "close" button ...
void sdpGtkColorSelector::OnDelete(sdpGtkEvent* Event)
{
// Sanity checks ...
g_assert(Event);
// Don't allow the window to close ... treat it like a cancel, instead ...
((sdpGtkEventWidgetDeleteEvent*)Event)->SetResult(true);
OnCancel();
}
// Called when we're going away ...
void sdpGtkColorSelector::OnDestroy()
{
// No more events from this point forward ...
DisconnectAllEvents();
// Let the modal loop end ...
CancelModal();
}
// Called when the user hits the standard "OK" button ...
void sdpGtkColorSelector::OnOK()
{
m_OK = true;
RootWidget().Destroy();
}
// Called when the user hits the standard "Cancel" button ...
void sdpGtkColorSelector::OnCancel()
{
m_OK = false;
RootWidget().Destroy();
}
// Called when the user hits the standard "Help" button ...
void sdpGtkColorSelector::OnHelp()
{
}
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