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149 lines
4.7 KiB
C++
149 lines
4.7 KiB
C++
///////////////////////////////////////////////////////////////////////////////
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// Name: src/common/clrpickercmn.cpp
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// Purpose: wxColourPickerCtrl class implementation
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// Author: Francesco Montorsi (readapted code written by Vadim Zeitlin)
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// Modified by:
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// Created: 15/04/2006
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// RCS-ID: $Id: clrpickercmn.cpp 42219 2006-10-21 19:53:05Z PC $
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// Copyright: (c) Vadim Zeitlin, Francesco Montorsi
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// Licence: wxWindows licence
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///////////////////////////////////////////////////////////////////////////////
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// ============================================================================
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// declarations
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// ============================================================================
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// ----------------------------------------------------------------------------
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// headers
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// ----------------------------------------------------------------------------
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// For compilers that support precompilation, includes "wx.h".
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#include "wx/wxprec.h"
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#ifdef __BORLANDC__
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#pragma hdrstop
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#endif
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#if wxUSE_COLOURPICKERCTRL
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#include "wx/clrpicker.h"
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#ifndef WX_PRECOMP
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#include "wx/textctrl.h"
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#endif
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const wxChar wxColourPickerCtrlNameStr[] = wxT("colourpicker");
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const wxChar wxColourPickerWidgetNameStr[] = wxT("colourpickerwidget");
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// ============================================================================
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// implementation
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// ============================================================================
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DEFINE_EVENT_TYPE(wxEVT_COMMAND_COLOURPICKER_CHANGED)
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IMPLEMENT_DYNAMIC_CLASS(wxColourPickerCtrl, wxPickerBase)
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IMPLEMENT_DYNAMIC_CLASS(wxColourPickerEvent, wxEvent)
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// ----------------------------------------------------------------------------
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// wxColourPickerCtrl
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// ----------------------------------------------------------------------------
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#define M_PICKER ((wxColourPickerWidget*)m_picker)
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bool wxColourPickerCtrl::Create( wxWindow *parent, wxWindowID id,
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const wxColour &col,
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const wxPoint &pos, const wxSize &size,
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long style, const wxValidator& validator,
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const wxString &name )
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{
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if (!wxPickerBase::CreateBase(parent, id, col.GetAsString(), pos, size,
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style, validator, name))
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return false;
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// we are not interested to the ID of our picker as we connect
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// to its "changed" event dynamically...
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m_picker = new wxColourPickerWidget(this, wxID_ANY, col,
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wxDefaultPosition, wxDefaultSize,
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GetPickerStyle(style));
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// complete sizer creation
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wxPickerBase::PostCreation();
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m_picker->Connect(wxEVT_COMMAND_COLOURPICKER_CHANGED,
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wxColourPickerEventHandler(wxColourPickerCtrl::OnColourChange),
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NULL, this);
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return true;
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}
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void wxColourPickerCtrl::SetColour(const wxColour &col)
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{
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M_PICKER->SetColour(col);
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UpdateTextCtrlFromPicker();
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}
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bool wxColourPickerCtrl::SetColour(const wxString &text)
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{
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wxColour col(text); // smart wxString->wxColour conversion
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if ( !col.Ok() )
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return false;
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M_PICKER->SetColour(col);
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UpdateTextCtrlFromPicker();
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return true;
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}
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void wxColourPickerCtrl::UpdatePickerFromTextCtrl()
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{
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wxASSERT(m_text);
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if (m_bIgnoreNextTextCtrlUpdate)
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{
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// ignore this update
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m_bIgnoreNextTextCtrlUpdate = false;
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return;
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}
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// wxString -> wxColour conversion
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wxColour col(m_text->GetValue());
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if ( !col.Ok() )
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return; // invalid user input
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if (M_PICKER->GetColour() != col)
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{
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M_PICKER->SetColour(col);
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// fire an event
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wxColourPickerEvent event(this, GetId(), col);
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GetEventHandler()->ProcessEvent(event);
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}
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}
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void wxColourPickerCtrl::UpdateTextCtrlFromPicker()
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{
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if (!m_text)
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return; // no textctrl to update
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// NOTE: this SetValue() will generate an unwanted wxEVT_COMMAND_TEXT_UPDATED
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// which will trigger a unneeded UpdateFromTextCtrl(); thus before using
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// SetValue() we set the m_bIgnoreNextTextCtrlUpdate flag...
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m_bIgnoreNextTextCtrlUpdate = true;
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m_text->SetValue(M_PICKER->GetColour().GetAsString());
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}
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// ----------------------------------------------------------------------------
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// wxColourPickerCtrl - event handlers
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// ----------------------------------------------------------------------------
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void wxColourPickerCtrl::OnColourChange(wxColourPickerEvent &ev)
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{
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UpdateTextCtrlFromPicker();
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// the wxColourPickerWidget sent us a colour-change notification.
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// forward this event to our parent
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wxColourPickerEvent event(this, GetId(), ev.GetColour());
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GetEventHandler()->ProcessEvent(event);
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}
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#endif // wxUSE_COLOURPICKERCTRL
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