| 1 | /////////////////////////////////////////////////////////////////////////////// |
| 2 | // Name: src/common/clrpickercmn.cpp |
| 3 | // Purpose: wxColourPickerCtrl class implementation |
| 4 | // Author: Francesco Montorsi (readapted code written by Vadim Zeitlin) |
| 5 | // Modified by: |
| 6 | // Created: 15/04/2006 |
| 7 | // RCS-ID: $Id$ |
| 8 | // Copyright: (c) Vadim Zeitlin, Francesco Montorsi |
| 9 | // Licence: wxWindows licence |
| 10 | /////////////////////////////////////////////////////////////////////////////// |
| 11 | |
| 12 | // ============================================================================ |
| 13 | // declarations |
| 14 | // ============================================================================ |
| 15 | |
| 16 | // ---------------------------------------------------------------------------- |
| 17 | // headers |
| 18 | // ---------------------------------------------------------------------------- |
| 19 | |
| 20 | // For compilers that support precompilation, includes "wx.h". |
| 21 | #include "wx/wxprec.h" |
| 22 | |
| 23 | #ifdef __BORLANDC__ |
| 24 | #pragma hdrstop |
| 25 | #endif |
| 26 | |
| 27 | #if wxUSE_COLOURPICKERCTRL |
| 28 | |
| 29 | #include "wx/clrpicker.h" |
| 30 | |
| 31 | #ifndef WX_PRECOMP |
| 32 | #include "wx/textctrl.h" |
| 33 | #endif |
| 34 | |
| 35 | const char wxColourPickerCtrlNameStr[] = "colourpicker"; |
| 36 | const char wxColourPickerWidgetNameStr[] = "colourpickerwidget"; |
| 37 | |
| 38 | // ============================================================================ |
| 39 | // implementation |
| 40 | // ============================================================================ |
| 41 | |
| 42 | DEFINE_EVENT_TYPE(wxEVT_COMMAND_COLOURPICKER_CHANGED) |
| 43 | IMPLEMENT_DYNAMIC_CLASS(wxColourPickerCtrl, wxPickerBase) |
| 44 | IMPLEMENT_DYNAMIC_CLASS(wxColourPickerEvent, wxEvent) |
| 45 | |
| 46 | // ---------------------------------------------------------------------------- |
| 47 | // wxColourPickerCtrl |
| 48 | // ---------------------------------------------------------------------------- |
| 49 | |
| 50 | #define M_PICKER ((wxColourPickerWidget*)m_picker) |
| 51 | |
| 52 | bool wxColourPickerCtrl::Create( wxWindow *parent, wxWindowID id, |
| 53 | const wxColour &col, |
| 54 | const wxPoint &pos, const wxSize &size, |
| 55 | long style, const wxValidator& validator, |
| 56 | const wxString &name ) |
| 57 | { |
| 58 | if (!wxPickerBase::CreateBase(parent, id, col.GetAsString(), pos, size, |
| 59 | style, validator, name)) |
| 60 | return false; |
| 61 | |
| 62 | // we are not interested to the ID of our picker as we connect |
| 63 | // to its "changed" event dynamically... |
| 64 | m_picker = new wxColourPickerWidget(this, wxID_ANY, col, |
| 65 | wxDefaultPosition, wxDefaultSize, |
| 66 | GetPickerStyle(style)); |
| 67 | |
| 68 | // complete sizer creation |
| 69 | wxPickerBase::PostCreation(); |
| 70 | |
| 71 | m_picker->Connect(wxEVT_COMMAND_COLOURPICKER_CHANGED, |
| 72 | wxColourPickerEventHandler(wxColourPickerCtrl::OnColourChange), |
| 73 | NULL, this); |
| 74 | |
| 75 | return true; |
| 76 | } |
| 77 | |
| 78 | void wxColourPickerCtrl::SetColour(const wxColour &col) |
| 79 | { |
| 80 | M_PICKER->SetColour(col); |
| 81 | UpdateTextCtrlFromPicker(); |
| 82 | } |
| 83 | |
| 84 | bool wxColourPickerCtrl::SetColour(const wxString &text) |
| 85 | { |
| 86 | wxColour col(text); // smart wxString->wxColour conversion |
| 87 | if ( !col.Ok() ) |
| 88 | return false; |
| 89 | M_PICKER->SetColour(col); |
| 90 | UpdateTextCtrlFromPicker(); |
| 91 | |
| 92 | return true; |
| 93 | } |
| 94 | |
| 95 | void wxColourPickerCtrl::UpdatePickerFromTextCtrl() |
| 96 | { |
| 97 | wxASSERT(m_text); |
| 98 | |
| 99 | if (m_bIgnoreNextTextCtrlUpdate) |
| 100 | { |
| 101 | // ignore this update |
| 102 | m_bIgnoreNextTextCtrlUpdate = false; |
| 103 | return; |
| 104 | } |
| 105 | |
| 106 | // wxString -> wxColour conversion |
| 107 | wxColour col(m_text->GetValue()); |
| 108 | if ( !col.Ok() ) |
| 109 | return; // invalid user input |
| 110 | |
| 111 | if (M_PICKER->GetColour() != col) |
| 112 | { |
| 113 | M_PICKER->SetColour(col); |
| 114 | |
| 115 | // fire an event |
| 116 | wxColourPickerEvent event(this, GetId(), col); |
| 117 | GetEventHandler()->ProcessEvent(event); |
| 118 | } |
| 119 | } |
| 120 | |
| 121 | void wxColourPickerCtrl::UpdateTextCtrlFromPicker() |
| 122 | { |
| 123 | if (!m_text) |
| 124 | return; // no textctrl to update |
| 125 | |
| 126 | // NOTE: this SetValue() will generate an unwanted wxEVT_COMMAND_TEXT_UPDATED |
| 127 | // which will trigger a unneeded UpdateFromTextCtrl(); thus before using |
| 128 | // SetValue() we set the m_bIgnoreNextTextCtrlUpdate flag... |
| 129 | m_bIgnoreNextTextCtrlUpdate = true; |
| 130 | m_text->SetValue(M_PICKER->GetColour().GetAsString()); |
| 131 | } |
| 132 | |
| 133 | |
| 134 | |
| 135 | // ---------------------------------------------------------------------------- |
| 136 | // wxColourPickerCtrl - event handlers |
| 137 | // ---------------------------------------------------------------------------- |
| 138 | |
| 139 | void wxColourPickerCtrl::OnColourChange(wxColourPickerEvent &ev) |
| 140 | { |
| 141 | UpdateTextCtrlFromPicker(); |
| 142 | |
| 143 | // the wxColourPickerWidget sent us a colour-change notification. |
| 144 | // forward this event to our parent |
| 145 | wxColourPickerEvent event(this, GetId(), ev.GetColour()); |
| 146 | GetEventHandler()->ProcessEvent(event); |
| 147 | } |
| 148 | |
| 149 | #endif // wxUSE_COLOURPICKERCTRL |