88a767773f
Make the conversion explicit to avoid MSVC warning C4800 about it being done implicitly (which appears in release builds only).
140 lines
4.2 KiB
C++
140 lines
4.2 KiB
C++
///////////////////////////////////////////////////////////////////////////////
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// Name: src/generic/clrpickerg.cpp
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// Purpose: wxGenericColourButton 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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#include "wx/colordlg.h"
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#include "wx/dcmemory.h"
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// ============================================================================
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// implementation
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// ============================================================================
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wxColourData wxGenericColourButton::ms_data;
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wxIMPLEMENT_DYNAMIC_CLASS(wxGenericColourButton, wxBitmapButton);
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// ----------------------------------------------------------------------------
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// wxGenericColourButton
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// ----------------------------------------------------------------------------
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bool wxGenericColourButton::Create( wxWindow *parent, wxWindowID id,
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const wxColour &col, const wxPoint &pos,
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const wxSize &size, long style,
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const wxValidator& validator, const wxString &name)
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{
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m_bitmap = wxBitmap( 60, 13 );
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// create this button
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if (!wxBitmapButton::Create( parent, id, m_bitmap, pos,
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size, style | wxBU_AUTODRAW, validator, name ))
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{
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wxFAIL_MSG( wxT("wxGenericColourButton creation failed") );
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return false;
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}
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// and handle user clicks on it
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Connect(GetId(), wxEVT_BUTTON,
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wxCommandEventHandler(wxGenericColourButton::OnButtonClick),
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NULL, this);
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m_colour = col;
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UpdateColour();
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InitColourData();
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ms_data.SetChooseAlpha((style & wxCLRP_SHOW_ALPHA) != 0);
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return true;
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}
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void wxGenericColourButton::InitColourData()
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{
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ms_data.SetChooseFull(true);
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unsigned char grey = 0;
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for (int i = 0; i < 16; i++, grey += 16)
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{
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// fill with grey tones the custom colors palette
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wxColour colour(grey, grey, grey);
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ms_data.SetCustomColour(i, colour);
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}
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}
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void wxGenericColourButton::OnButtonClick(wxCommandEvent& WXUNUSED(ev))
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{
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// update the wxColouData to be shown in the dialog
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ms_data.SetColour(m_colour);
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// create the colour dialog and display it
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wxColourDialog dlg(this, &ms_data);
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if (dlg.ShowModal() == wxID_OK)
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{
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ms_data = dlg.GetColourData();
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SetColour(ms_data.GetColour());
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// fire an event
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wxColourPickerEvent event(this, GetId(), m_colour);
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GetEventHandler()->ProcessEvent(event);
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}
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}
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void wxGenericColourButton::UpdateColour()
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{
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wxMemoryDC dc(m_bitmap);
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dc.SetPen( *wxTRANSPARENT_PEN );
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dc.SetBrush( wxBrush(m_colour) );
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dc.DrawRectangle( 0,0,m_bitmap.GetWidth(),m_bitmap.GetHeight() );
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if ( HasFlag(wxCLRP_SHOW_LABEL) )
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{
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wxColour col( ~m_colour.Red(), ~m_colour.Green(), ~m_colour.Blue() );
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dc.SetTextForeground( col );
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dc.SetFont( GetFont() );
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dc.DrawText( m_colour.GetAsString(wxC2S_HTML_SYNTAX), 0, 0 );
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}
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dc.SelectObject( wxNullBitmap );
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SetBitmapLabel( m_bitmap );
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}
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wxSize wxGenericColourButton::DoGetBestSize() const
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{
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wxSize sz(wxBitmapButton::DoGetBestSize());
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#ifdef __WXMAC__
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sz.y += 6;
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#else
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sz.y += 2;
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#endif
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sz.x += 30;
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if ( HasFlag(wxCLRP_SHOW_LABEL) )
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return sz;
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// if we have no label, then make this button a square
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// (like e.g. native GTK version of this control) ???
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// sz.SetWidth(sz.GetHeight());
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return sz;
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}
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#endif // wxUSE_COLOURPICKERCTRL
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