wxComboControl and wxOwnerDrawnComboBox (patch 1479938)
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@39113 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Vadim Zeitlin
364
src/generic/combog.cpp
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364
src/generic/combog.cpp
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/////////////////////////////////////////////////////////////////////////////
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// Name: combog.cpp
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// Purpose: Generic wxComboControl
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// Author: Jaakko Salli
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// Modified by:
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// Created: Apr-30-2006
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// RCS-ID: $Id$
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// Copyright: (c) 2005 Jaakko Salli
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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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#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_COMBOCONTROL
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#ifndef WX_PRECOMP
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#include "wx/log.h"
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#include "wx/combobox.h"
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#include "wx/dcclient.h"
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#include "wx/settings.h"
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#endif
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#include "wx/dcbuffer.h"
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#include "wx/combo.h"
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// ----------------------------------------------------------------------------
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// Some constant adjustments to make the generic more bearable
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#if defined(__WXUNIVERSAL__)
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#define TEXTCTRLXADJUST 0 // position adjustment for wxTextCtrl, with zero indent
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#define TEXTCTRLYADJUST 0
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#define TEXTXADJUST 0 // how much is read-only text's x adjusted
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#define DEFAULT_DROPBUTTON_WIDTH 19
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#elif defined(__WXMSW__)
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#define TEXTCTRLXADJUST 2 // position adjustment for wxTextCtrl, with zero indent
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#define TEXTCTRLYADJUST 3
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#define TEXTXADJUST 0 // how much is read-only text's x adjusted
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#define DEFAULT_DROPBUTTON_WIDTH 17
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#elif defined(__WXGTK__)
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#define TEXTCTRLXADJUST -1 // position adjustment for wxTextCtrl, with zero indent
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#define TEXTCTRLYADJUST 0
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#define TEXTXADJUST 1 // how much is read-only text's x adjusted
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#define DEFAULT_DROPBUTTON_WIDTH 23
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#elif defined(__WXMAC__)
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#define TEXTCTRLXADJUST 0 // position adjustment for wxTextCtrl, with zero indent
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#define TEXTCTRLYADJUST 0
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#define TEXTXADJUST 0 // how much is read-only text's x adjusted
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#define DEFAULT_DROPBUTTON_WIDTH 19
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#else
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#define TEXTCTRLXADJUST 0 // position adjustment for wxTextCtrl, with zero indent
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#define TEXTCTRLYADJUST 0
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#define TEXTXADJUST 0 // how much is read-only text's x adjusted
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#define DEFAULT_DROPBUTTON_WIDTH 19
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#endif
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// ============================================================================
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// implementation
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// ============================================================================
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// Only implement if no native or it wasn't fully featured
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#ifndef wxCOMBOCONTROL_FULLY_FEATURED
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// ----------------------------------------------------------------------------
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// wxGenericComboControl
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// ----------------------------------------------------------------------------
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BEGIN_EVENT_TABLE(wxGenericComboControl, wxComboControlBase)
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EVT_PAINT(wxGenericComboControl::OnPaintEvent)
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EVT_MOUSE_EVENTS(wxGenericComboControl::OnMouseEvent)
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END_EVENT_TABLE()
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IMPLEMENT_DYNAMIC_CLASS(wxGenericComboControl, wxComboControlBase)
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void wxGenericComboControl::Init()
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{
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}
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bool wxGenericComboControl::Create(wxWindow *parent,
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wxWindowID id,
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const wxString& value,
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const wxPoint& pos,
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const wxSize& size,
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long style,
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const wxValidator& validator,
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const wxString& name)
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{
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// Set border
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long border = style & wxBORDER_MASK;
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if ( !border )
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{
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#if defined(__WXUNIVERSAL__)
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border = wxBORDER_SIMPLE;
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#elif defined(__WXMSW__)
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// For XP, have 1-width custom border, for older version use sunken
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if ( wxUxThemeEngine::GetIfActive() )
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{
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border = wxBORDER_NONE;
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m_widthCustomBorder = 1;
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}
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else
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border = wxBORDER_SUNKEN;
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#elif defined(__WXGTK__)
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border = wxBORDER_NONE;
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//m_widthCustomBorder = 2;
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m_widthCustomBorder = 1;
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#else
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border = wxBORDER_SIMPLE;
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#endif
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style = (style & ~(wxBORDER_MASK)) | border;
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}
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#if defined(__WXGTK__)
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Customize( wxCC_BUTTON_OUTSIDE_BORDER |
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wxCC_NO_TEXT_AUTO_SELECT );
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#endif
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if ( style & wxCC_STD_BUTTON )
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m_iFlags |= wxCC_POPUP_ON_MOUSE_UP;
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// create main window
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if ( !wxComboControlBase::Create(parent,
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id,
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value,
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wxDefaultPosition,
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wxDefaultSize,
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style | wxFULL_REPAINT_ON_RESIZE,
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wxDefaultValidator,
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name) )
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return false;
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// Create textctrl, if necessary
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CreateTextCtrl( wxNO_BORDER, validator );
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// Add keyboard input handlers for main control and textctrl
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InstallInputHandlers( true );
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// Set background
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SetBackgroundStyle( wxBG_STYLE_CUSTOM ); // for double-buffering
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// SetSize should be called last
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SetSize(pos.x,pos.y,size.x,size.y);
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return true;
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}
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wxGenericComboControl::~wxGenericComboControl()
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{
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}
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void wxGenericComboControl::OnResize()
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{
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// Recalculates button and textctrl areas
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CalculateAreas(DEFAULT_DROPBUTTON_WIDTH);
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#if 0
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// Move separate button control, if any, to correct position
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if ( m_btn )
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{
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wxSize sz = GetClientSize();
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m_btn->SetSize( m_btnArea.x + m_btnSpacingX,
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(sz.y-m_btnSize.y)/2,
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m_btnSize.x,
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m_btnSize.y );
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}
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#endif
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// Move textctrl, if any, accordingly
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PositionTextCtrl( TEXTCTRLXADJUST, TEXTCTRLYADJUST );
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}
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void wxGenericComboControl::OnPaintEvent( wxPaintEvent& WXUNUSED(event) )
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{
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wxSize sz = GetClientSize();
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wxBufferedPaintDC dc(this,GetBufferBitmap(sz));
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const wxRect& rectb = m_btnArea;
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wxRect rect = m_tcArea;
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// artificial simple border
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if ( m_widthCustomBorder )
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{
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int customBorder = m_widthCustomBorder;
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// Set border colour
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wxPen pen1( wxSystemSettings::GetColour(wxSYS_COLOUR_GRAYTEXT),
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customBorder,
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wxSOLID );
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dc.SetPen( pen1 );
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// area around both controls
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wxRect rect2(0,0,sz.x,sz.y);
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if ( m_iFlags & wxCC_IFLAG_BUTTON_OUTSIDE )
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{
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rect2 = m_tcArea;
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if ( customBorder == 1 )
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{
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rect2.Inflate(1);
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}
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else
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{
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#ifdef __WXGTK__
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rect2.x -= 1;
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rect2.y -= 1;
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#else
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rect2.x -= customBorder;
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rect2.y -= customBorder;
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#endif
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rect2.width += 1 + customBorder;
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rect2.height += 1 + customBorder;
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}
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}
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dc.SetBrush( *wxTRANSPARENT_BRUSH );
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dc.DrawRectangle(rect2);
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}
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wxColour winCol = GetBackgroundColour();
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dc.SetBrush(winCol);
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dc.SetPen(winCol);
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//wxLogDebug(wxT("hei: %i tcy: %i tchei: %i"),GetClientSize().y,m_tcArea.y,m_tcArea.height);
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//wxLogDebug(wxT("btnx: %i tcx: %i tcwid: %i"),m_btnArea.x,m_tcArea.x,m_tcArea.width);
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// clear main background
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dc.DrawRectangle(rect);
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if ( !m_btn )
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// Standard button rendering
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DrawButton(dc,rectb,true);
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// paint required portion on the control
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if ( !m_text || m_widthCustomPaint )
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{
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wxASSERT( m_widthCustomPaint >= 0 );
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// this is intentionally here to allow drawed rectangle's
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// right edge to be hidden
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if ( m_text )
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rect.width = m_widthCustomPaint;
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dc.SetFont( GetFont() );
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dc.SetClippingRegion(rect);
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m_popupInterface->PaintComboControl(dc,rect);
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}
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}
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void wxGenericComboControl::OnMouseEvent( wxMouseEvent& event )
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{
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bool isOnButtonArea = m_btnArea.Inside(event.m_x,event.m_y);
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int handlerFlags = isOnButtonArea ? wxCC_MF_ON_BUTTON : 0;
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// Preprocessing fabricates double-clicks and prevents
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// (it may also do other common things in future)
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if ( PreprocessMouseEvent(event,handlerFlags) )
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return;
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if ( (m_windowStyle & (wxCC_SPECIAL_DCLICK|wxCB_READONLY)) == wxCB_READONLY )
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{
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// if no textctrl and no special double-click, then the entire control acts
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// as a button
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handlerFlags |= wxCC_MF_ON_BUTTON;
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if ( HandleButtonMouseEvent(event,handlerFlags) )
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return;
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}
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else
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{
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if ( isOnButtonArea || HasCapture() )
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{
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if ( HandleButtonMouseEvent(event,handlerFlags) )
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return;
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}
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else if ( m_btnState )
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{
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// otherwise need to clear the hover status
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m_btnState = 0;
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RefreshRect(m_btnArea);
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}
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}
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//
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// This will handle left_down and left_dclick events outside button in a Windows/GTK-like manner.
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// See header file for further information on this method.
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HandleNormalMouseEvent(event);
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}
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#ifdef __WXUNIVERSAL__
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bool wxGenericComboControl::PerformAction(const wxControlAction& action,
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long numArg,
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const wxString& strArg)
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{
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bool processed = false;
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if ( action == wxACTION_COMBOBOX_POPUP )
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{
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if ( !m_isPopupShown )
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{
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ShowPopup();
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processed = true;
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}
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}
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else if ( action == wxACTION_COMBOBOX_DISMISS )
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{
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if ( m_isPopupShown )
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{
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HidePopup();
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processed = true;
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}
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}
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if ( !processed )
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{
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// pass along
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return wxControl::PerformAction(action, numArg, strArg);
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}
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return true;
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}
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#endif // __WXUNIVERSAL__
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// If native wxComboControl was not defined, then prepare a simple
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// front-end so that wxRTTI works as expected.
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#ifndef _WX_COMBOCONTROL_H_
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IMPLEMENT_DYNAMIC_CLASS(wxComboControl, wxGenericComboControl)
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#endif
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#endif // !wxCOMBOCONTROL_FULLY_FEATURED
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#endif // wxUSE_COMBOCONTROL
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