[wxWidgets.git] / src / msw / combo.cpp

/////////////////////////////////////////////////////////////////////////////
// Name:        src/msw/combo.cpp
// Purpose:     wxMSW wxComboCtrl
// Author:      Jaakko Salli
// Modified by:
// Created:     Apr-30-2006
// RCS-ID:      $Id$
// Copyright:   (c) 2005 Jaakko Salli
// Licence:     wxWindows licence
/////////////////////////////////////////////////////////////////////////////

// ============================================================================
// declarations
// ============================================================================

// ----------------------------------------------------------------------------
// headers
// ----------------------------------------------------------------------------

#include "wx/wxprec.h"

#ifdef __BORLANDC__
    #pragma hdrstop
#endif

#if wxUSE_COMBOCTRL

#ifndef WX_PRECOMP
    #include "wx/log.h"
    #include "wx/combobox.h"
    #include "wx/dcclient.h"
    #include "wx/settings.h"
    #include "wx/dialog.h"
#endif

#include "wx/dcbuffer.h"

#include "wx/combo.h"


#include "wx/msw/uxtheme.h"

// Change to #if 1 to include tmschema.h for easier testing of theme
// parameters.
#if 0
    #include <tmschema.h>
#else
    //----------------------------------
    #define EP_EDITTEXT         1
    #define ETS_NORMAL          1
    #define ETS_HOT             2
    #define ETS_SELECTED        3
    #define ETS_DISABLED        4
    #define ETS_FOCUSED         5
    #define ETS_READONLY        6
    #define ETS_ASSIST          7
    #define TMT_FILLCOLOR       3802
    #define TMT_TEXTCOLOR       3803
    #define TMT_BORDERCOLOR     3801
    #define TMT_EDGEFILLCOLOR   3808
    //----------------------------------
#endif


#define NATIVE_TEXT_INDENT_XP       4
#define NATIVE_TEXT_INDENT_CLASSIC  2

#define TEXTCTRLXADJUST_XP          1
#define TEXTCTRLYADJUST_XP          3
#define TEXTCTRLXADJUST_CLASSIC     1
#define TEXTCTRLYADJUST_CLASSIC     2


// ============================================================================
// implementation
// ============================================================================


BEGIN_EVENT_TABLE(wxComboCtrl, wxComboCtrlBase)
    EVT_PAINT(wxComboCtrl::OnPaintEvent)
    EVT_MOUSE_EVENTS(wxComboCtrl::OnMouseEvent)
END_EVENT_TABLE()


IMPLEMENT_DYNAMIC_CLASS(wxComboCtrl, wxComboCtrlBase)

void wxComboCtrl::Init()
{
}

bool wxComboCtrl::Create(wxWindow *parent,
                            wxWindowID id,
                            const wxString& value,
                            const wxPoint& pos,
                            const wxSize& size,
                            long style,
                            const wxValidator& validator,
                            const wxString& name)
{

    // Set border
    long border = style & wxBORDER_MASK;

    wxUxThemeEngine* theme = wxUxThemeEngine::GetIfActive();

    if ( !border )
    {
        // For XP, have 1-width custom border, for older version use sunken
        if ( theme )
        {
            border = wxBORDER_NONE;
            m_widthCustomBorder = 1;
        }
        else
            border = wxBORDER_SUNKEN;

        style = (style & ~(wxBORDER_MASK)) | border;
    }

    // create main window
    if ( !wxComboCtrlBase::Create(parent,
                           id,
                           value,
                           pos,
                           size,
                           style | wxFULL_REPAINT_ON_RESIZE,
                           wxDefaultValidator,
                           name) )
        return false;

    if ( style & wxCC_STD_BUTTON )
        m_iFlags |= wxCC_POPUP_ON_MOUSE_UP;

    // Create textctrl, if necessary
    CreateTextCtrl( wxNO_BORDER, validator );

    // Add keyboard input handlers for main control and textctrl
    InstallInputHandlers();

    // Prepare background for double-buffering
    SetBackgroundStyle( wxBG_STYLE_CUSTOM );

    // SetBestSize should be called last
    SetBestSize(size);

    return true;
}

wxComboCtrl::~wxComboCtrl()
{
}

void wxComboCtrl::OnThemeChange()
{
    wxUxThemeEngine* theme = wxUxThemeEngine::GetIfActive();
    if ( theme )
    {
        wxUxThemeHandle hTheme(this, L"COMBOBOX");

        COLORREF col;
        theme->GetThemeColor(hTheme,EP_EDITTEXT,ETS_NORMAL,TMT_FILLCOLOR,&col);
        SetBackgroundColour(wxRGBToColour(col));
        theme->GetThemeColor(hTheme,EP_EDITTEXT,ETS_NORMAL,TMT_TEXTCOLOR,&col);
        SetForegroundColour(wxRGBToColour(col));
    }
    else
    {
        SetBackgroundColour(wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOW));
        SetForegroundColour(wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOWTEXT));
    }
}

void wxComboCtrl::OnResize()
{
    //
    // Recalculates button and textctrl areas

    int textCtrlXAdjust;
    int textCtrlYAdjust;

    if ( wxUxThemeEngine::GetIfActive() )
    {
        textCtrlXAdjust = TEXTCTRLXADJUST_XP;
        textCtrlYAdjust = TEXTCTRLYADJUST_XP;
    }
    else
    {
        textCtrlXAdjust = TEXTCTRLXADJUST_CLASSIC;
        textCtrlYAdjust = TEXTCTRLYADJUST_CLASSIC;
    }

    // Technically Classic Windows style combo has more narrow button,
    // but the native renderer doesn't paint it well like that.
    int btnWidth = 17;
    CalculateAreas(btnWidth);

    // Position textctrl using standard routine
    PositionTextCtrl(textCtrlXAdjust,textCtrlYAdjust);
}

// Draws non-XP GUI dotted line around the focus area
static void wxMSWDrawFocusRect( wxDC& dc, const wxRect& rect )
{
#if !defined(__WXWINCE__)
    /*
    RECT mswRect;
    mswRect.left = rect.x;
    mswRect.top = rect.y;
    mswRect.right = rect.x + rect.width;
    mswRect.bottom = rect.y + rect.height;
    HDC hdc = (HDC) dc.GetHDC();
    SetMapMode(hdc,MM_TEXT); // Just in case...
    DrawFocusRect(hdc,&mswRect);
    */
    // FIXME: Use DrawFocusRect code above (currently it draws solid line
    //   for caption focus but works ok for other stuff).
    //   Also, this code below may not work in future wx versions, since
    //   it employs wxCAP_BUTT hack to have line of width 1.
    dc.SetLogicalFunction(wxINVERT);

    wxPen pen(*wxBLACK,1,wxDOT);
    pen.SetCap(wxCAP_BUTT);
    dc.SetPen(pen);
    dc.SetBrush(*wxTRANSPARENT_BRUSH);

    dc.DrawRectangle(rect);

    dc.SetLogicalFunction(wxCOPY);
#else
    dc.SetLogicalFunction(wxINVERT);

    dc.SetPen(wxPen(*wxBLACK,1,wxDOT));
    dc.SetBrush(*wxTRANSPARENT_BRUSH);

    dc.DrawRectangle(rect);

    dc.SetLogicalFunction(wxCOPY);
#endif
}

// draw focus background on area in a way typical on platform
void wxComboCtrl::PrepareBackground( wxDC& dc, const wxRect& rect, int flags ) const
{
    wxUxThemeEngine* theme = (wxUxThemeEngine*) NULL;

    // Constructor only calls GetHWND() const, so it should be safe
    // to cast "this" to const.
    wxUxThemeHandle hTheme(this, L"COMBOBOX");
    //COLORREF cref;

    wxSize sz = GetClientSize();
    bool isEnabled;
    bool isFocused; // also selected

    // For smaller size control (and for disabled background) use less spacing
    int focusSpacingX;
    int focusSpacingY;

    if ( !(flags & wxCONTROL_ISSUBMENU) )
    {
        // Drawing control
        isEnabled = IsEnabled();
        isFocused = ShouldDrawFocus();

        // Windows-style: for smaller size control (and for disabled background) use less spacing
        if ( hTheme )
        {
            // WinXP  Theme
            focusSpacingX = isEnabled ? 2 : 1;
            focusSpacingY = sz.y > (GetCharHeight()+2) && isEnabled ? 2 : 1;
        }
        else
        {
            // Classic Theme
            if ( isEnabled )
            {
                focusSpacingX = 1;
                focusSpacingY = 1;
            }
            else
            {
                focusSpacingX = 0;
                focusSpacingY = 0;
            }
        }
    }
    else
    {
        // Drawing a list item
        isEnabled = true; // they are never disabled
        isFocused = flags & wxCONTROL_SELECTED ? true : false;

        focusSpacingX = 0;
        focusSpacingY = 0;
    }

    // Set the background sub-rectangle for selection, disabled etc
    wxRect selRect(rect);
    selRect.y += focusSpacingY;
    selRect.height -= (focusSpacingY*2);

    int wcp = 0;

    if ( !(flags & wxCONTROL_ISSUBMENU) )
        wcp += m_widthCustomPaint;

    selRect.x += wcp + focusSpacingX;
    selRect.width -= wcp + (focusSpacingX*2);

    if ( hTheme )
        theme = wxUxThemeEngine::GetIfActive();

    wxColour bgCol;
    bool drawDottedEdge = false;

    if ( isEnabled )
    {
        // If popup is hidden and this control is focused,
        // then draw the focus-indicator (selbgcolor background etc.).
        if ( isFocused )
        {
        #if 0
            // TODO: Proper theme color getting (JMS: I don't know which parts/colors to use,
            //       those below don't work)
            if ( hTheme )
            {
                theme->GetThemeColor(hTheme,EP_EDITTEXT,ETS_SELECTED,TMT_TEXTCOLOR,&cref);
                dc.SetTextForeground( wxRGBToColour(cref) );
                theme->GetThemeColor(hTheme,EP_EDITTEXT,ETS_SELECTED,TMT_FILLCOLOR,&cref);
                bgCol = wxRGBToColour(cref);
            }
            else
        #endif
            {
                dc.SetTextForeground( wxSystemSettings::GetColour(wxSYS_COLOUR_HIGHLIGHTTEXT) );
                bgCol = wxSystemSettings::GetColour(wxSYS_COLOUR_HIGHLIGHT);
                if ( m_windowStyle & wxCB_READONLY )
                    drawDottedEdge = true;
            }
        }
        else
        {
            /*if ( hTheme )
            {
                theme->GetThemeColor(hTheme,EP_EDITTEXT,ETS_NORMAL,TMT_TEXTCOLOR,&cref);
                dc.SetTextForeground( wxRGBToColour(cref) );
                theme->GetThemeColor(hTheme,EP_EDITTEXT,ETS_NORMAL,TMT_FILLCOLOR,&cref);
                bgCol = wxRGBToColour(cref);
            }
            else
            {*/
                dc.SetTextForeground( wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOWTEXT) );
                bgCol = GetBackgroundColour();
            //}
        }
    }
    else
    {
        /*if ( hTheme )
        {
            theme->GetThemeColor(hTheme,EP_EDITTEXT,ETS_DISABLED,TMT_TEXTCOLOR,&cref);
            dc.SetTextForeground( wxRGBToColour(cref) );
            theme->GetThemeColor(hTheme,EP_EDITTEXT,ETS_DISABLED,TMT_EDGEFILLCOLOR,&cref);
            bgCol = wxRGBToColour(cref);
        }
        else
        {*/
            dc.SetTextForeground( wxSystemSettings::GetColour(wxSYS_COLOUR_GRAYTEXT) );
            bgCol = wxSystemSettings::GetColour(wxSYS_COLOUR_BTNFACE);
        //}
    }

    dc.SetBrush(bgCol);
    dc.SetPen(bgCol);
    dc.DrawRectangle(selRect);
    if ( drawDottedEdge )
        wxMSWDrawFocusRect(dc,selRect);

    // Don't clip exactly to the selection rectangle so we can draw
    // to the non-selected area in front of it.
    wxRect clipRect(rect.x,rect.y,
                    (selRect.x+selRect.width)-rect.x-1,rect.height);
    dc.SetClippingRegion(clipRect);
}

void wxComboCtrl::OnPaintEvent( wxPaintEvent& WXUNUSED(event) )
{
    // TODO: Convert drawing in this function to Windows API Code

    wxSize sz = GetClientSize();
    wxBufferedPaintDC dc(this,GetBufferBitmap(sz));

    const wxRect& rectb = m_btnArea;
    wxRect rect = m_tcArea;
    bool isEnabled = IsEnabled();
    wxColour bgCol = GetBackgroundColour();
    wxColour fgCol;

    wxUxThemeEngine* theme = NULL;
    wxUxThemeHandle hTheme(this, L"COMBOBOX");
    int etsState;

    // area around both controls
    wxRect rect2(0,0,sz.x,sz.y);
    if ( m_iFlags & wxCC_IFLAG_BUTTON_OUTSIDE )
    {
        rect2 = m_tcArea;
        rect2.Inflate(1);
    }

    // Use theme to draw border on XP
    if ( hTheme )
    {
        theme = wxUxThemeEngine::GetIfActive();
        COLORREF cref;

        // Select correct border colour
        if ( !isEnabled )
            etsState = ETS_DISABLED;
        else
            etsState = ETS_NORMAL;

        if ( m_widthCustomBorder )
        {
            theme->GetThemeColor(hTheme,EP_EDITTEXT,etsState,TMT_BORDERCOLOR,&cref);

            // Set border colour
            dc.SetPen( wxRGBToColour(cref) );

            dc.SetBrush( *wxTRANSPARENT_BRUSH );
            dc.DrawRectangle(rect2);
        }

        theme->GetThemeColor(hTheme,EP_EDITTEXT,etsState,TMT_TEXTCOLOR,&cref);
        fgCol = wxRGBToColour(cref);
    }
    else
    {
        // draw regular background
        fgCol = GetForegroundColour();
    }

    rect2.Deflate(m_widthCustomBorder);

    dc.SetBrush(bgCol);
    dc.SetPen(bgCol);

    // clear main background
    dc.DrawRectangle(rect);

    // Button background with theme?
    bool drawButBg = true;
    if ( hTheme && m_blankButtonBg )
    {
        RECT r;
        wxCopyRectToRECT(rectb, r);

        // Draw parent background if needed (since button looks like its out of
        // the combo, this is preferred).
        theme->DrawThemeParentBackground(GetHwndOf(this),
                                         GetHdcOf(dc),
                                         &r);

        drawButBg = false;
    }

    // Standard button rendering
    DrawButton(dc,rectb,drawButBg);

    // paint required portion on the control
    if ( (!m_text || m_widthCustomPaint) )
    {
        wxASSERT( m_widthCustomPaint >= 0 );

        // this is intentionally here to allow drawed rectangle's
        // right edge to be hidden
        if ( m_text )
            rect.width = m_widthCustomPaint;

        dc.SetFont( GetFont() );

        dc.SetClippingRegion(rect);
        if ( m_popupInterface )
            m_popupInterface->PaintComboControl(dc,rect);
        else
            wxComboPopup::DefaultPaintComboControl(this,dc,rect);
    }
}

void wxComboCtrl::OnMouseEvent( wxMouseEvent& event )
{
    int mx = event.m_x;
    bool isOnButtonArea = m_btnArea.Contains(mx,event.m_y);
    int handlerFlags = isOnButtonArea ? wxCC_MF_ON_BUTTON : 0;

    if ( PreprocessMouseEvent(event,isOnButtonArea) )
        return;

    if ( (m_windowStyle & (wxCC_SPECIAL_DCLICK|wxCB_READONLY)) == wxCB_READONLY )
    {
        // if no textctrl and no special double-click, then the entire control acts
        // as a button
        handlerFlags |= wxCC_MF_ON_BUTTON;
        if ( HandleButtonMouseEvent(event,handlerFlags) )
            return;
    }
    else
    {
        if ( isOnButtonArea || HasCapture() ||
             (m_widthCustomPaint && mx < (m_tcArea.x+m_widthCustomPaint)) )
        {
            handlerFlags |= wxCC_MF_ON_CLICK_AREA;

            if ( HandleButtonMouseEvent(event,handlerFlags) )
                return;
        }
        else if ( m_btnState )
        {
            // otherwise need to clear the hover status
            m_btnState = 0;
            RefreshRect(m_btnArea);
        }
    }

    //
    // This will handle left_down and left_dclick events outside button in a Windows-like manner.
    // See header file for further information on this method.
    HandleNormalMouseEvent(event);

}

wxCoord wxComboCtrl::GetNativeTextIndent() const
{
    if ( wxUxThemeEngine::GetIfActive() )
        return NATIVE_TEXT_INDENT_XP;
    return NATIVE_TEXT_INDENT_CLASSIC;
}

bool wxComboCtrl::IsKeyPopupToggle(const wxKeyEvent& event) const
{
    const bool isPopupShown = IsPopupShown();

    switch ( event.GetKeyCode() )
    {
        case WXK_F4:
            // F4 toggles the popup in the native comboboxes, so emulate them
            if ( !event.AltDown() )
                return true;
            break;

        case WXK_ESCAPE:
            if ( isPopupShown )
                return true;
            break;

        case WXK_DOWN:
        case WXK_UP:
            // On XP or with writable combo in Classic, arrows don't open the
            // popup but Alt-arrow does
            if ( event.AltDown() ||
                    ( !isPopupShown &&
                      HasFlag(wxCB_READONLY) &&
                      !wxUxThemeEngine::GetIfActive()
                    ) )
            {
                return true;
            }
            break;
    }

    return false;
}

#endif // wxUSE_COMBOCTRL
Commit	Line	Data
a340b80d	1	/////////////////////////////////////////////////////////////////////////////
93f7f8be	2	// Name: src/msw/combo.cpp
a57d600f	3	// Purpose: wxMSW wxComboCtrl
a340b80d VZ	4	// Author: Jaakko Salli
	5	// Modified by:
	6	// Created: Apr-30-2006
	7	// RCS-ID: $Id$
	8	// Copyright: (c) 2005 Jaakko Salli
	9	// Licence: wxWindows licence
	10	/////////////////////////////////////////////////////////////////////////////
	11
	12	// ============================================================================
	13	// declarations
	14	// ============================================================================
	15
	16	// ----------------------------------------------------------------------------
	17	// headers
	18	// ----------------------------------------------------------------------------
	19
	20	#include "wx/wxprec.h"
	21
	22	#ifdef __BORLANDC__
	23	#pragma hdrstop
	24	#endif
	25
a57d600f	26	#if wxUSE_COMBOCTRL
a340b80d VZ	27
	28	#ifndef WX_PRECOMP
	29	#include "wx/log.h"
	30	#include "wx/combobox.h"
	31	#include "wx/dcclient.h"
	32	#include "wx/settings.h"
	33	#include "wx/dialog.h"
	34	#endif
	35
	36	#include "wx/dcbuffer.h"
	37
	38	#include "wx/combo.h"
	39
	40
	41	#include "wx/msw/uxtheme.h"
	42
	43	// Change to #if 1 to include tmschema.h for easier testing of theme
	44	// parameters.
	45	#if 0
	46	#include <tmschema.h>
	47	#else
	48	//----------------------------------
	49	#define EP_EDITTEXT 1
	50	#define ETS_NORMAL 1
	51	#define ETS_HOT 2
	52	#define ETS_SELECTED 3
	53	#define ETS_DISABLED 4
	54	#define ETS_FOCUSED 5
	55	#define ETS_READONLY 6
	56	#define ETS_ASSIST 7
	57	#define TMT_FILLCOLOR 3802
	58	#define TMT_TEXTCOLOR 3803
	59	#define TMT_BORDERCOLOR 3801
	60	#define TMT_EDGEFILLCOLOR 3808
	61	//----------------------------------
	62	#endif
	63
	64
	65	#define NATIVE_TEXT_INDENT_XP 4
	66	#define NATIVE_TEXT_INDENT_CLASSIC 2
	67
	68	#define TEXTCTRLXADJUST_XP 1
	69	#define TEXTCTRLYADJUST_XP 3
	70	#define TEXTCTRLXADJUST_CLASSIC 1
	71	#define TEXTCTRLYADJUST_CLASSIC 2
	72
	73
	74	// ============================================================================
	75	// implementation
	76	// ============================================================================
	77
	78
a57d600f VZ	79	BEGIN_EVENT_TABLE(wxComboCtrl, wxComboCtrlBase)
	80	EVT_PAINT(wxComboCtrl::OnPaintEvent)
	81	EVT_MOUSE_EVENTS(wxComboCtrl::OnMouseEvent)
a340b80d VZ	82	END_EVENT_TABLE()
	83
	84
a57d600f	85	IMPLEMENT_DYNAMIC_CLASS(wxComboCtrl, wxComboCtrlBase)
a340b80d	86
a57d600f	87	void wxComboCtrl::Init()
a340b80d VZ	88	{
	89	}
	90
a57d600f	91	bool wxComboCtrl::Create(wxWindow *parent,
a340b80d VZ	92	wxWindowID id,
	93	const wxString& value,
	94	const wxPoint& pos,
	95	const wxSize& size,
	96	long style,
	97	const wxValidator& validator,
	98	const wxString& name)
	99	{
	100
	101	// Set border
	102	long border = style & wxBORDER_MASK;
	103
	104	wxUxThemeEngine* theme = wxUxThemeEngine::GetIfActive();
	105
	106	if ( !border )
	107	{
	108	// For XP, have 1-width custom border, for older version use sunken
	109	if ( theme )
	110	{
	111	border = wxBORDER_NONE;
	112	m_widthCustomBorder = 1;
	113	}
	114	else
	115	border = wxBORDER_SUNKEN;
	116
	117	style = (style & ~(wxBORDER_MASK)) \| border;
	118	}
	119
	120	// create main window
a57d600f	121	if ( !wxComboCtrlBase::Create(parent,
93f7f8be WS	122	id,
	123	value,
	124	pos,
	125	size,
	126	style \| wxFULL_REPAINT_ON_RESIZE,
	127	wxDefaultValidator,
	128	name) )
a340b80d VZ	129	return false;
	130
	131	if ( style & wxCC_STD_BUTTON )
	132	m_iFlags \|= wxCC_POPUP_ON_MOUSE_UP;
	133
	134	// Create textctrl, if necessary
	135	CreateTextCtrl( wxNO_BORDER, validator );
	136
	137	// Add keyboard input handlers for main control and textctrl
b445b6a7	138	InstallInputHandlers();
a340b80d VZ	139
	140	// Prepare background for double-buffering
	141	SetBackgroundStyle( wxBG_STYLE_CUSTOM );
	142
93f7f8be WS	143	// SetBestSize should be called last
93f7f8be WS	144	SetBestSize(size);
a340b80d VZ	145
	146	return true;
	147	}
	148
a57d600f	149	wxComboCtrl::~wxComboCtrl()
a340b80d VZ	150	{
	151	}
	152
a57d600f	153	void wxComboCtrl::OnThemeChange()
a340b80d VZ	154	{
	155	wxUxThemeEngine* theme = wxUxThemeEngine::GetIfActive();
	156	if ( theme )
	157	{
	158	wxUxThemeHandle hTheme(this, L"COMBOBOX");
	159
	160	COLORREF col;
	161	theme->GetThemeColor(hTheme,EP_EDITTEXT,ETS_NORMAL,TMT_FILLCOLOR,&col);
	162	SetBackgroundColour(wxRGBToColour(col));
	163	theme->GetThemeColor(hTheme,EP_EDITTEXT,ETS_NORMAL,TMT_TEXTCOLOR,&col);
	164	SetForegroundColour(wxRGBToColour(col));
	165	}
	166	else
	167	{
	168	SetBackgroundColour(wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOW));
	169	SetForegroundColour(wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOWTEXT));
	170	}
	171	}
	172
a57d600f	173	void wxComboCtrl::OnResize()
a340b80d VZ	174	{
	175	//
	176	// Recalculates button and textctrl areas
	177
	178	int textCtrlXAdjust;
	179	int textCtrlYAdjust;
	180
	181	if ( wxUxThemeEngine::GetIfActive() )
	182	{
	183	textCtrlXAdjust = TEXTCTRLXADJUST_XP;
	184	textCtrlYAdjust = TEXTCTRLYADJUST_XP;
	185	}
	186	else
	187	{
	188	textCtrlXAdjust = TEXTCTRLXADJUST_CLASSIC;
	189	textCtrlYAdjust = TEXTCTRLYADJUST_CLASSIC;
	190	}
	191
	192	// Technically Classic Windows style combo has more narrow button,
	193	// but the native renderer doesn't paint it well like that.
	194	int btnWidth = 17;
	195	CalculateAreas(btnWidth);
	196
	197	// Position textctrl using standard routine
	198	PositionTextCtrl(textCtrlXAdjust,textCtrlYAdjust);
	199	}
	200
	201	// Draws non-XP GUI dotted line around the focus area
	202	static void wxMSWDrawFocusRect( wxDC& dc, const wxRect& rect )
	203	{
	204	#if !defined(__WXWINCE__)
	205	/*
	206	RECT mswRect;
	207	mswRect.left = rect.x;
	208	mswRect.top = rect.y;
	209	mswRect.right = rect.x + rect.width;
	210	mswRect.bottom = rect.y + rect.height;
	211	HDC hdc = (HDC) dc.GetHDC();
	212	SetMapMode(hdc,MM_TEXT); // Just in case...
	213	DrawFocusRect(hdc,&mswRect);
	214	*/
	215	// FIXME: Use DrawFocusRect code above (currently it draws solid line
	216	// for caption focus but works ok for other stuff).
	217	// Also, this code below may not work in future wx versions, since
	218	// it employs wxCAP_BUTT hack to have line of width 1.
	219	dc.SetLogicalFunction(wxINVERT);
	220
	221	wxPen pen(*wxBLACK,1,wxDOT);
	222	pen.SetCap(wxCAP_BUTT);
	223	dc.SetPen(pen);
	224	dc.SetBrush(*wxTRANSPARENT_BRUSH);
	225
	226	dc.DrawRectangle(rect);
	227
	228	dc.SetLogicalFunction(wxCOPY);
	229	#else
	230	dc.SetLogicalFunction(wxINVERT);
	231
	232	dc.SetPen(wxPen(*wxBLACK,1,wxDOT));
	233	dc.SetBrush(*wxTRANSPARENT_BRUSH);
	234
	235	dc.DrawRectangle(rect);
	236
	237	dc.SetLogicalFunction(wxCOPY);
238	#endif
239	}
240
241	// draw focus background on area in a way typical on platform
118f5fbd	242	void wxComboCtrl::PrepareBackground( wxDC& dc, const wxRect& rect, int flags ) const
a340b80d VZ	243	{
a340b80d VZ	244	wxUxThemeEngine* theme = (wxUxThemeEngine*) NULL;
40b26d75 WS	245
	246	// Constructor only calls GetHWND() const, so it should be safe
	247	// to cast "this" to const.
a340b80d VZ	248	wxUxThemeHandle hTheme(this, L"COMBOBOX");
	249	//COLORREF cref;
	250
	251	wxSize sz = GetClientSize();
	252	bool isEnabled;
	253	bool isFocused; // also selected
	254
	255	// For smaller size control (and for disabled background) use less spacing
	256	int focusSpacingX;
	257	int focusSpacingY;
	258
	259	if ( !(flags & wxCONTROL_ISSUBMENU) )
	260	{
	261	// Drawing control
	262	isEnabled = IsEnabled();
	263	isFocused = ShouldDrawFocus();
	264
	265	// Windows-style: for smaller size control (and for disabled background) use less spacing
	266	if ( hTheme )
	267	{
	268	// WinXP Theme
	269	focusSpacingX = isEnabled ? 2 : 1;
	270	focusSpacingY = sz.y > (GetCharHeight()+2) && isEnabled ? 2 : 1;
	271	}
	272	else
	273	{
	274	// Classic Theme
	275	if ( isEnabled )
	276	{
	277	focusSpacingX = 1;
	278	focusSpacingY = 1;
	279	}
	280	else
	281	{
	282	focusSpacingX = 0;
	283	focusSpacingY = 0;
	284	}
	285	}
	286	}
	287	else
	288	{
	289	// Drawing a list item
	290	isEnabled = true; // they are never disabled
	291	isFocused = flags & wxCONTROL_SELECTED ? true : false;
	292
	293	focusSpacingX = 0;
	294	focusSpacingY = 0;
	295	}
	296
	297	// Set the background sub-rectangle for selection, disabled etc
	298	wxRect selRect(rect);
	299	selRect.y += focusSpacingY;
	300	selRect.height -= (focusSpacingY*2);
8e5ec129 WS	301
	302	int wcp = 0;
	303
	304	if ( !(flags & wxCONTROL_ISSUBMENU) )
	305	wcp += m_widthCustomPaint;
	306
	307	selRect.x += wcp + focusSpacingX;
	308	selRect.width -= wcp + (focusSpacingX*2);
a340b80d VZ	309
	310	if ( hTheme )
	311	theme = wxUxThemeEngine::GetIfActive();
	312
	313	wxColour bgCol;
	314	bool drawDottedEdge = false;
	315
	316	if ( isEnabled )
	317	{
	318	// If popup is hidden and this control is focused,
	319	// then draw the focus-indicator (selbgcolor background etc.).
	320	if ( isFocused )
	321	{
	322	#if 0
	323	// TODO: Proper theme color getting (JMS: I don't know which parts/colors to use,
	324	// those below don't work)
	325	if ( hTheme )
	326	{
	327	theme->GetThemeColor(hTheme,EP_EDITTEXT,ETS_SELECTED,TMT_TEXTCOLOR,&cref);
	328	dc.SetTextForeground( wxRGBToColour(cref) );
	329	theme->GetThemeColor(hTheme,EP_EDITTEXT,ETS_SELECTED,TMT_FILLCOLOR,&cref);
	330	bgCol = wxRGBToColour(cref);
	331	}
	332	else
	333	#endif
	334	{
	335	dc.SetTextForeground( wxSystemSettings::GetColour(wxSYS_COLOUR_HIGHLIGHTTEXT) );
	336	bgCol = wxSystemSettings::GetColour(wxSYS_COLOUR_HIGHLIGHT);
	337	if ( m_windowStyle & wxCB_READONLY )
	338	drawDottedEdge = true;
	339	}
	340	}
	341	else
	342	{
	343	/*if ( hTheme )
	344	{
	345	theme->GetThemeColor(hTheme,EP_EDITTEXT,ETS_NORMAL,TMT_TEXTCOLOR,&cref);
	346	dc.SetTextForeground( wxRGBToColour(cref) );
	347	theme->GetThemeColor(hTheme,EP_EDITTEXT,ETS_NORMAL,TMT_FILLCOLOR,&cref);
	348	bgCol = wxRGBToColour(cref);
	349	}
	350	else
	351	{*/
	352	dc.SetTextForeground( wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOWTEXT) );
	353	bgCol = GetBackgroundColour();
	354	//}
	355	}
	356	}
	357	else
	358	{
	359	/*if ( hTheme )
	360	{
	361	theme->GetThemeColor(hTheme,EP_EDITTEXT,ETS_DISABLED,TMT_TEXTCOLOR,&cref);
	362	dc.SetTextForeground( wxRGBToColour(cref) );
	363	theme->GetThemeColor(hTheme,EP_EDITTEXT,ETS_DISABLED,TMT_EDGEFILLCOLOR,&cref);
	364	bgCol = wxRGBToColour(cref);
	365	}
	366	else
	367	{*/
	368	dc.SetTextForeground( wxSystemSettings::GetColour(wxSYS_COLOUR_GRAYTEXT) );
	369	bgCol = wxSystemSettings::GetColour(wxSYS_COLOUR_BTNFACE);
	370	//}
	371	}
	372
373	dc.SetBrush(bgCol);
374	dc.SetPen(bgCol);
375	dc.DrawRectangle(selRect);
376	if ( drawDottedEdge )
377	wxMSWDrawFocusRect(dc,selRect);
378
118f5fbd RR	379	// Don't clip exactly to the selection rectangle so we can draw
	380	// to the non-selected area in front of it.
	381	wxRect clipRect(rect.x,rect.y,
	382	(selRect.x+selRect.width)-rect.x-1,rect.height);
	383	dc.SetClippingRegion(clipRect);
a340b80d VZ	384	}
a340b80d VZ	385
a57d600f	386	void wxComboCtrl::OnPaintEvent( wxPaintEvent& WXUNUSED(event) )
a340b80d VZ	387	{
	388	// TODO: Convert drawing in this function to Windows API Code
	389
	390	wxSize sz = GetClientSize();
	391	wxBufferedPaintDC dc(this,GetBufferBitmap(sz));
	392
	393	const wxRect& rectb = m_btnArea;
	394	wxRect rect = m_tcArea;
	395	bool isEnabled = IsEnabled();
	396	wxColour bgCol = GetBackgroundColour();
	397	wxColour fgCol;
	398
	399	wxUxThemeEngine* theme = NULL;
	400	wxUxThemeHandle hTheme(this, L"COMBOBOX");
	401	int etsState;
	402
	403	// area around both controls
	404	wxRect rect2(0,0,sz.x,sz.y);
	405	if ( m_iFlags & wxCC_IFLAG_BUTTON_OUTSIDE )
	406	{
	407	rect2 = m_tcArea;
	408	rect2.Inflate(1);
	409	}
	410
	411	// Use theme to draw border on XP
	412	if ( hTheme )
	413	{
	414	theme = wxUxThemeEngine::GetIfActive();
	415	COLORREF cref;
	416
	417	// Select correct border colour
	418	if ( !isEnabled )
	419	etsState = ETS_DISABLED;
	420	else
	421	etsState = ETS_NORMAL;
	422
	423	if ( m_widthCustomBorder )
	424	{
	425	theme->GetThemeColor(hTheme,EP_EDITTEXT,etsState,TMT_BORDERCOLOR,&cref);
	426
	427	// Set border colour
	428	dc.SetPen( wxRGBToColour(cref) );
	429
	430	dc.SetBrush( *wxTRANSPARENT_BRUSH );
	431	dc.DrawRectangle(rect2);
	432	}
	433
	434	theme->GetThemeColor(hTheme,EP_EDITTEXT,etsState,TMT_TEXTCOLOR,&cref);
	435	fgCol = wxRGBToColour(cref);
	436	}
	437	else
	438	{
	439	// draw regular background
	440	fgCol = GetForegroundColour();
	441	}
	442
	443	rect2.Deflate(m_widthCustomBorder);
	444
	445	dc.SetBrush(bgCol);
	446	dc.SetPen(bgCol);
	447
	448	// clear main background
	449	dc.DrawRectangle(rect);
	450
451	// Button background with theme?
452	bool drawButBg = true;
453	if ( hTheme && m_blankButtonBg )
454	{
455	RECT r;
456	wxCopyRectToRECT(rectb, r);
457
458	// Draw parent background if needed (since button looks like its out of
459	// the combo, this is preferred).
460	theme->DrawThemeParentBackground(GetHwndOf(this),
461	GetHdcOf(dc),
462	&r);
463
464	drawButBg = false;
93f7f8be	465	}
a340b80d VZ	466
	467	// Standard button rendering
	468	DrawButton(dc,rectb,drawButBg);
	469
	470	// paint required portion on the control
6d0ce565	471	if ( (!m_text \|\| m_widthCustomPaint) )
a340b80d VZ	472	{
	473	wxASSERT( m_widthCustomPaint >= 0 );
	474
	475	// this is intentionally here to allow drawed rectangle's
	476	// right edge to be hidden
	477	if ( m_text )
	478	rect.width = m_widthCustomPaint;
	479
	480	dc.SetFont( GetFont() );
	481
	482	dc.SetClippingRegion(rect);
6d0ce565 VZ	483	if ( m_popupInterface )
	484	m_popupInterface->PaintComboControl(dc,rect);
	485	else
	486	wxComboPopup::DefaultPaintComboControl(this,dc,rect);
a340b80d VZ	487	}
	488	}
	489
a57d600f	490	void wxComboCtrl::OnMouseEvent( wxMouseEvent& event )
a340b80d	491	{
1efad474 RR	492	int mx = event.m_x;
1efad474 RR	493	bool isOnButtonArea = m_btnArea.Contains(mx,event.m_y);
a340b80d VZ	494	int handlerFlags = isOnButtonArea ? wxCC_MF_ON_BUTTON : 0;
a340b80d VZ	495
a340b80d VZ	496	if ( PreprocessMouseEvent(event,isOnButtonArea) )
	497	return;
	498
	499	if ( (m_windowStyle & (wxCC_SPECIAL_DCLICK\|wxCB_READONLY)) == wxCB_READONLY )
	500	{
	501	// if no textctrl and no special double-click, then the entire control acts
	502	// as a button
	503	handlerFlags \|= wxCC_MF_ON_BUTTON;
	504	if ( HandleButtonMouseEvent(event,handlerFlags) )
	505	return;
	506	}
	507	else
	508	{
1efad474 RR	509	if ( isOnButtonArea \|\| HasCapture() \|\|
1efad474 RR	510	(m_widthCustomPaint && mx < (m_tcArea.x+m_widthCustomPaint)) )
a340b80d	511	{
1efad474 RR	512	handlerFlags \|= wxCC_MF_ON_CLICK_AREA;
1efad474 RR	513
a340b80d VZ	514	if ( HandleButtonMouseEvent(event,handlerFlags) )
	515	return;
	516	}
	517	else if ( m_btnState )
	518	{
	519	// otherwise need to clear the hover status
	520	m_btnState = 0;
	521	RefreshRect(m_btnArea);
	522	}
	523	}
	524
	525	//
	526	// This will handle left_down and left_dclick events outside button in a Windows-like manner.
	527	// See header file for further information on this method.
	528	HandleNormalMouseEvent(event);
	529
	530	}
	531
a57d600f	532	wxCoord wxComboCtrl::GetNativeTextIndent() const
a340b80d VZ	533	{
	534	if ( wxUxThemeEngine::GetIfActive() )
	535	return NATIVE_TEXT_INDENT_XP;
	536	return NATIVE_TEXT_INDENT_CLASSIC;
	537	}
	538
b445b6a7 VZ	539	bool wxComboCtrl::IsKeyPopupToggle(const wxKeyEvent& event) const
b445b6a7 VZ	540	{
9e68717c	541	const bool isPopupShown = IsPopupShown();
b445b6a7	542
9e68717c	543	switch ( event.GetKeyCode() )
b445b6a7	544	{
9e68717c VZ	545	case WXK_F4:
	546	// F4 toggles the popup in the native comboboxes, so emulate them
	547	if ( !event.AltDown() )
	548	return true;
	549	break;
	550
	551	case WXK_ESCAPE:
	552	if ( isPopupShown )
	553	return true;
	554	break;
	555
	556	case WXK_DOWN:
	557	case WXK_UP:
	558	// On XP or with writable combo in Classic, arrows don't open the
	559	// popup but Alt-arrow does
	560	if ( event.AltDown() \|\|
	561	( !isPopupShown &&
	562	HasFlag(wxCB_READONLY) &&
	563	!wxUxThemeEngine::GetIfActive()
	564	) )
	565	{
	566	return true;
	567	}
	568	break;
b445b6a7 VZ	569	}
	570
	571	return false;
	572	}
a340b80d	573
a57d600f	574	#endif // wxUSE_COMBOCTRL