807d95e07d
Send events from generic wxColourPickerCtrl when the currently selected colour in the dialog shown by it changes and when this dialog is cancelled. Notice that currently this only works on wxMSW as it relies on wxEVT_COLOUR_CHANGED support in wxColourDialog which is only available there. Based on work of Trylz, see https://github.com/wxWidgets/wxWidgets/pull/1219
139 lines
4.2 KiB
C++
139 lines
4.2 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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// 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 char wxColourPickerCtrlNameStr[] = "colourpicker";
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const char wxColourPickerWidgetNameStr[] = "colourpickerwidget";
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// ============================================================================
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// implementation
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// ============================================================================
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wxDEFINE_EVENT(wxEVT_COLOURPICKER_CHANGED, wxColourPickerEvent);
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wxDEFINE_EVENT(wxEVT_COLOURPICKER_CURRENT_CHANGED, wxColourPickerEvent);
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wxDEFINE_EVENT(wxEVT_COLOURPICKER_DIALOG_CANCELLED, wxColourPickerEvent);
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wxIMPLEMENT_DYNAMIC_CLASS(wxColourPickerCtrl, wxPickerBase);
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wxIMPLEMENT_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->Bind(wxEVT_COLOURPICKER_CHANGED,
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&wxColourPickerCtrl::OnColourChange, 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.IsOk() )
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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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// wxString -> wxColour conversion
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wxColour col(m_text->GetValue());
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if ( !col.IsOk() )
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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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// Take care to use ChangeValue() here and not SetValue() to avoid
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// infinite recursion.
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m_text->ChangeValue(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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ev.Skip();
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}
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#endif // wxUSE_COLOURPICKERCTRL
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