| 1 | /////////////////////////////////////////////////////////////////////////////// |
| 2 | // Name: src/generic/clrpickerg.cpp |
| 3 | // Purpose: wxGenericColourButton 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 | #include "wx/colordlg.h" |
| 31 | #include "wx/dcmemory.h" |
| 32 | |
| 33 | |
| 34 | // ============================================================================ |
| 35 | // implementation |
| 36 | // ============================================================================ |
| 37 | |
| 38 | wxColourData wxGenericColourButton::ms_data; |
| 39 | IMPLEMENT_DYNAMIC_CLASS(wxGenericColourButton, wxBitmapButton) |
| 40 | |
| 41 | // ---------------------------------------------------------------------------- |
| 42 | // wxGenericColourButton |
| 43 | // ---------------------------------------------------------------------------- |
| 44 | |
| 45 | bool wxGenericColourButton::Create( wxWindow *parent, wxWindowID id, |
| 46 | const wxColour &col, const wxPoint &pos, |
| 47 | const wxSize &size, long style, |
| 48 | const wxValidator& validator, const wxString &name) |
| 49 | { |
| 50 | m_bitmap = wxBitmap( 60, 13 ); |
| 51 | |
| 52 | // create this button |
| 53 | if (!wxBitmapButton::Create( parent, id, m_bitmap, pos, |
| 54 | size, style | wxBU_AUTODRAW, validator, name )) |
| 55 | { |
| 56 | wxFAIL_MSG( wxT("wxGenericColourButton creation failed") ); |
| 57 | return false; |
| 58 | } |
| 59 | |
| 60 | // and handle user clicks on it |
| 61 | Connect(GetId(), wxEVT_COMMAND_BUTTON_CLICKED, |
| 62 | wxCommandEventHandler(wxGenericColourButton::OnButtonClick), |
| 63 | NULL, this); |
| 64 | |
| 65 | m_colour = col; |
| 66 | UpdateColour(); |
| 67 | InitColourData(); |
| 68 | |
| 69 | return true; |
| 70 | } |
| 71 | |
| 72 | void wxGenericColourButton::InitColourData() |
| 73 | { |
| 74 | ms_data.SetChooseFull(true); |
| 75 | unsigned char grey = 0; |
| 76 | for (int i = 0; i < 16; i++, grey += 16) |
| 77 | { |
| 78 | // fill with grey tones the custom colors palette |
| 79 | wxColour colour(grey, grey, grey); |
| 80 | ms_data.SetCustomColour(i, colour); |
| 81 | } |
| 82 | } |
| 83 | |
| 84 | void wxGenericColourButton::OnButtonClick(wxCommandEvent& WXUNUSED(ev)) |
| 85 | { |
| 86 | // update the wxColouData to be shown in the the dialog |
| 87 | ms_data.SetColour(m_colour); |
| 88 | |
| 89 | // create the colour dialog and display it |
| 90 | wxColourDialog dlg(this, &ms_data); |
| 91 | if (dlg.ShowModal() == wxID_OK) |
| 92 | { |
| 93 | ms_data = dlg.GetColourData(); |
| 94 | SetColour(ms_data.GetColour()); |
| 95 | |
| 96 | // fire an event |
| 97 | wxColourPickerEvent event(this, GetId(), m_colour); |
| 98 | GetEventHandler()->ProcessEvent(event); |
| 99 | } |
| 100 | } |
| 101 | |
| 102 | void wxGenericColourButton::UpdateColour() |
| 103 | { |
| 104 | wxMemoryDC dc(m_bitmap); |
| 105 | dc.SetPen( *wxTRANSPARENT_PEN ); |
| 106 | dc.SetBrush( wxBrush(m_colour) ); |
| 107 | dc.DrawRectangle( 0,0,m_bitmap.GetWidth(),m_bitmap.GetHeight() ); |
| 108 | |
| 109 | if ( HasFlag(wxCLRP_SHOW_LABEL) ) |
| 110 | { |
| 111 | wxColour col( ~m_colour.Red(), ~m_colour.Green(), ~m_colour.Blue() ); |
| 112 | dc.SetTextForeground( col ); |
| 113 | dc.SetFont( GetFont() ); |
| 114 | dc.DrawText( m_colour.GetAsString(wxC2S_HTML_SYNTAX), 0, 0 ); |
| 115 | } |
| 116 | |
| 117 | dc.SelectObject( wxNullBitmap ); |
| 118 | SetBitmapLabel( m_bitmap ); |
| 119 | } |
| 120 | |
| 121 | wxSize wxGenericColourButton::DoGetBestSize() const |
| 122 | { |
| 123 | wxSize sz(wxBitmapButton::DoGetBestSize()); |
| 124 | #ifdef __WXMAC__ |
| 125 | sz.y += 6; |
| 126 | #else |
| 127 | sz.y += 2; |
| 128 | #endif |
| 129 | sz.x += 30; |
| 130 | if ( HasFlag(wxCLRP_SHOW_LABEL) ) |
| 131 | return sz; |
| 132 | |
| 133 | // if we have no label, then make this button a square |
| 134 | // (like e.g. native GTK version of this control) ??? |
| 135 | // sz.SetWidth(sz.GetHeight()); |
| 136 | return sz; |
| 137 | } |
| 138 | |
| 139 | #endif // wxUSE_COLOURPICKERCTRL |