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

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@39495 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

src/common/filepickercmn.cpp

@@ -0,0 +1,151 @@
+///////////////////////////////////////////////////////////////////////////////
+// Name:        src/common/filepickercmn.cpp
+// Purpose:     wxFilePickerCtrl 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/filepicker.h"
+
+
+
+// ============================================================================
+// implementation
+// ============================================================================
+
+#if wxUSE_FILEPICKERCTRL || wxUSE_DIRPICKERCTRL
+
+DEFINE_EVENT_TYPE(wxEVT_COMMAND_FILEPICKER_CHANGED)
+DEFINE_EVENT_TYPE(wxEVT_COMMAND_DIRPICKER_CHANGED)
+IMPLEMENT_DYNAMIC_CLASS(wxFileDirPickerEvent, wxCommandEvent)
+
+// ----------------------------------------------------------------------------
+// wxFileDirPickerCtrlBase
+// ----------------------------------------------------------------------------
+
+#define M_PICKER     ((wxFilePickerWidget*)m_picker)
+
+bool wxFileDirPickerCtrlBase::CreateBase( wxWindow *parent, wxWindowID id,
+                        const wxString &path, const wxString &message,
+                        const wxString &wildcard,
+                        const wxPoint &pos, const wxSize &size,
+                        long style, const wxValidator& validator,
+                        const wxString &name )
+{
+    wxASSERT_MSG(path.IsEmpty() || CheckPath(path), wxT("Invalid initial path !"));
+
+    if (!wxPickerBase::CreateBase(parent, id, path, pos, size,
+                                   style, validator, name))
+        return false;
+
+    // create a wxFilePickerWidget or a wxDirPickerWidget...
+    if (!CreatePicker(this, path, message, wildcard))
+        return false;
+    m_picker->Connect(GetEventType(),
+            wxFileDirPickerEventHandler(wxFileDirPickerCtrlBase::OnFileDirChange),
+            NULL, this);
+
+    // default's wxPickerBase textctrl limit is too small for this control:
+    // make it bigger
+    if (m_text) m_text->SetMaxLength(512);
+
+    return true;
+}
+
+void wxFileDirPickerCtrlBase::SetPath(const wxString &path)
+{
+    M_PICKER->SetPath(path);
+    UpdateTextCtrlFromPicker();
+}
+
+void wxFileDirPickerCtrlBase::UpdatePickerFromTextCtrl()
+{
+    wxASSERT(m_text);
+
+    if (m_bIgnoreNextTextCtrlUpdate)
+    {
+        // ignore this update
+        m_bIgnoreNextTextCtrlUpdate = false;
+        return;
+    }
+
+    // remove the eventually present path-separator from the end of the textctrl
+    // string otherwise we would generate a wxFileDirPickerEvent when changing
+    // from e.g. /home/user to /home/user/ and we want to avoid it !
+    wxString newpath(m_text->GetValue());
+    if (!newpath.empty() && wxFileName::IsPathSeparator(newpath.Last()))
+        newpath.RemoveLast();
+    if (!CheckPath(newpath))
+        return;       // invalid user input
+
+    if (M_PICKER->GetPath() != newpath)
+    {
+        M_PICKER->SetPath(newpath);
+
+        // update current working directory, if necessary
+        // NOTE: the path separator is required because if newpath is "C:"
+        //       then no change would happen
+        if (IsCwdToUpdate())
+            wxSetWorkingDirectory(newpath + wxFileName::GetPathSeparator());
+
+        // fire an event
+        wxFileDirPickerEvent event(GetEventType(), this, GetId(), newpath);
+        GetEventHandler()->ProcessEvent(event);
+    }
+}
+
+void wxFileDirPickerCtrlBase::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->GetPath());
+}
+
+
+
+// ----------------------------------------------------------------------------
+// wxFileDirPickerCtrlBase - event handlers
+// ----------------------------------------------------------------------------
+
+void wxFileDirPickerCtrlBase::OnFileDirChange(wxFileDirPickerEvent &ev)
+{
+    UpdateTextCtrlFromPicker();
+
+    // the wxFilePickerWidget sent us a colour-change notification.
+    // forward this event to our parent
+    wxFileDirPickerEvent event(GetEventType(), this, GetId(), ev.GetPath());
+    GetEventHandler()->ProcessEvent(event);
+}
+
+#endif  // wxUSE_FILEPICKERCTRL || wxUSE_DIRPICKERCTRL
+
+#if wxUSE_FILEPICKERCTRL
+IMPLEMENT_DYNAMIC_CLASS(wxFilePickerCtrl, wxPickerBase)
+#endif
+#if wxUSE_DIRPICKERCTRL
+IMPLEMENT_DYNAMIC_CLASS(wxDirPickerCtrl, wxPickerBase)
+#endif