added wx{Colour|File|Dir|Font}PickerCtrl (patch 1472329 by Francesco)

[wxWidgets.git] / src / common / clrpickercmn.cpp

diff --git a/src/common/clrpickercmn.cpp b/src/common/clrpickercmn.cpp
new file mode 100644 (file)
index 0000000..5f20864
--- /dev/null
+++ b/src/common/clrpickercmn.cpp
@@ -0,0 +1,139 @@
+///////////////////////////////////////////////////////////////////////////////
+// Name:        src/common/clrpickercmn.cpp
+// Purpose:     wxColourPickerCtrl class implementation
+// Author:      Francesco Montorsi (readapted code written by Vadim Zeitlin)
+// Modified by:
+// Created:     15/04/2006
+// RCS-ID:      $Id$
+// Copyright:   (c) Vadim Zeitlin, Francesco Montorsi
+// Licence:     wxWindows licence
+///////////////////////////////////////////////////////////////////////////////
+
+// ============================================================================
+// declarations
+// ============================================================================
+
+// ----------------------------------------------------------------------------
+// headers
+// ----------------------------------------------------------------------------
+
+// For compilers that support precompilation, includes "wx.h".
+#include "wx/wxprec.h"
+
+#ifdef __BORLANDC__
+    #pragma hdrstop
+#endif
+
+#include "wx/clrpicker.h"
+
+
+
+// ============================================================================
+// implementation
+// ============================================================================
+
+#if wxUSE_COLOURPICKERCTRL
+
+DEFINE_EVENT_TYPE(wxEVT_COMMAND_COLOURPICKER_CHANGED)
+IMPLEMENT_DYNAMIC_CLASS(wxColourPickerCtrl, wxPickerBase)
+IMPLEMENT_DYNAMIC_CLASS(wxColourPickerEvent, wxEvent)
+
+// ----------------------------------------------------------------------------
+// wxColourPickerCtrl
+// ----------------------------------------------------------------------------
+
+#define M_PICKER     ((wxColourPickerWidget*)m_picker)
+
+bool wxColourPickerCtrl::Create( wxWindow *parent, wxWindowID id,
+                        const wxColour &col,
+                        const wxPoint &pos, const wxSize &size,
+                        long style, const wxValidator& validator,
+                        const wxString &name )
+{
+    if (!wxPickerBase::CreateBase(parent, id, col.GetAsString(), pos, size,
+                                  style, validator, name))
+        return false;
+
+    // we are not interested to the ID of our picker as we connect
+    // to its "changed" event dynamically...
+    m_picker = new wxColourPickerWidget(this, wxID_ANY, col, wxPoint(40,0), wxSize(30,-1),
+                                        GetPickerStyle(style));
+    m_picker->Connect(wxEVT_COMMAND_COLOURPICKER_CHANGED,
+            wxColourPickerEventHandler(wxColourPickerCtrl::OnColourChange),
+            NULL, this);
+
+    return true;
+}
+
+void wxColourPickerCtrl::SetColour(const wxColour &col)
+{
+    M_PICKER->SetColour(col);
+    UpdateTextCtrlFromPicker();
+}
+
+bool wxColourPickerCtrl::SetColour(const wxString &text)
+{
+    wxColour col(text);     // smart wxString->wxColour conversion
+    if ( !col.Ok() )
+        return false;
+    M_PICKER->SetColour(col);
+    UpdateTextCtrlFromPicker();
+
+    return true;
+}
+
+void wxColourPickerCtrl::UpdatePickerFromTextCtrl()
+{
+    wxASSERT(m_text);
+
+    if (m_bIgnoreNextTextCtrlUpdate)
+    {
+        // ignore this update
+        m_bIgnoreNextTextCtrlUpdate = false;
+        return;
+    }
+
+    // wxString -> wxColour conversion
+    wxColour col(m_text->GetValue());
+    if ( !col.Ok() )
+        return;     // invalid user input
+
+    if (M_PICKER->GetColour() != col)
+    {
+        M_PICKER->SetColour(col);
+
+        // fire an event
+        wxColourPickerEvent event(this, GetId(), col);
+        GetEventHandler()->ProcessEvent(event);
+    }
+}
+
+void wxColourPickerCtrl::UpdateTextCtrlFromPicker()
+{
+    if (!m_text)
+        return;     // no textctrl to update
+
+    // NOTE: this SetValue() will generate an unwanted wxEVT_COMMAND_TEXT_UPDATED
+    //       which will trigger a unneeded UpdateFromTextCtrl(); thus before using
+    //       SetValue() we set the m_bIgnoreNextTextCtrlUpdate flag...
+    m_bIgnoreNextTextCtrlUpdate = true;
+    m_text->SetValue(M_PICKER->GetColour().GetAsString());
+}
+
+
+
+// ----------------------------------------------------------------------------
+// wxColourPickerCtrl - event handlers
+// ----------------------------------------------------------------------------
+
+void wxColourPickerCtrl::OnColourChange(wxColourPickerEvent &ev)
+{
+    UpdateTextCtrlFromPicker();
+
+    // the wxColourPickerWidget sent us a colour-change notification.
+    // forward this event to our parent
+    wxColourPickerEvent event(this, GetId(), ev.GetColour());
+    GetEventHandler()->ProcessEvent(event);
+}
+
+#endif  // wxUSE_COLOURPICKERCTRL