1 /////////////////////////////////////////////////////////////////////////////
2 // Name: src/generic/combog.cpp
3 // Purpose: Generic wxComboCtrl
4 // Author: Jaakko Salli
6 // Created: Apr-30-2006
8 // Copyright: (c) 2005 Jaakko Salli
9 // Licence: wxWindows licence
10 /////////////////////////////////////////////////////////////////////////////
12 // ============================================================================
14 // ============================================================================
16 // ----------------------------------------------------------------------------
18 // ----------------------------------------------------------------------------
20 #include "wx/wxprec.h"
32 #include "wx/combobox.h"
33 #include "wx/dcclient.h"
34 #include "wx/settings.h"
37 #include "wx/dcbuffer.h"
39 // ----------------------------------------------------------------------------
40 // Some constant adjustments to make the generic more bearable
42 #if defined(__WXUNIVERSAL__)
44 #define TEXTCTRLXADJUST 0 // position adjustment for wxTextCtrl, with zero indent
45 #define TEXTCTRLYADJUST 0
46 #define TEXTXADJUST 0 // how much is read-only text's x adjusted
47 #define DEFAULT_DROPBUTTON_WIDTH 19
49 #elif defined(__WXMSW__)
51 #define TEXTCTRLXADJUST 2 // position adjustment for wxTextCtrl, with zero indent
52 #define TEXTCTRLYADJUST 3
53 #define TEXTXADJUST 0 // how much is read-only text's x adjusted
54 #define DEFAULT_DROPBUTTON_WIDTH 17
56 #elif defined(__WXGTK__)
58 #define TEXTCTRLXADJUST -1 // position adjustment for wxTextCtrl, with zero indent
59 #define TEXTCTRLYADJUST 0
60 #define TEXTXADJUST 1 // how much is read-only text's x adjusted
61 #define DEFAULT_DROPBUTTON_WIDTH 23
63 #elif defined(__WXMAC__)
65 #define TEXTCTRLXADJUST 0 // position adjustment for wxTextCtrl, with zero indent
66 #define TEXTCTRLYADJUST 0
67 #define TEXTXADJUST 0 // how much is read-only text's x adjusted
68 #define DEFAULT_DROPBUTTON_WIDTH 19
72 #define TEXTCTRLXADJUST 0 // position adjustment for wxTextCtrl, with zero indent
73 #define TEXTCTRLYADJUST 0
74 #define TEXTXADJUST 0 // how much is read-only text's x adjusted
75 #define DEFAULT_DROPBUTTON_WIDTH 19
80 // ============================================================================
82 // ============================================================================
84 // Only implement if no native or it wasn't fully featured
85 #ifndef wxCOMBOCONTROL_FULLY_FEATURED
88 // ----------------------------------------------------------------------------
90 // ----------------------------------------------------------------------------
92 BEGIN_EVENT_TABLE(wxGenericComboCtrl
, wxComboCtrlBase
)
93 EVT_PAINT(wxGenericComboCtrl::OnPaintEvent
)
94 EVT_MOUSE_EVENTS(wxGenericComboCtrl::OnMouseEvent
)
98 IMPLEMENT_DYNAMIC_CLASS(wxGenericComboCtrl
, wxComboCtrlBase
)
100 void wxGenericComboCtrl::Init()
104 bool wxGenericComboCtrl::Create(wxWindow
*parent
,
106 const wxString
& value
,
110 const wxValidator
& validator
,
111 const wxString
& name
)
114 // Note that technically we only support 'default' border and wxNO_BORDER.
115 long border
= style
& wxBORDER_MASK
;
116 int tcBorder
= wxNO_BORDER
;
118 #if defined(__WXUNIVERSAL__)
120 border
= wxBORDER_SIMPLE
;
121 #elif defined(__WXMSW__)
123 // For XP, have 1-width custom border, for older version use sunken
124 /*if ( wxUxThemeEngine::GetIfActive() )
126 border = wxBORDER_NONE;
127 m_widthCustomBorder = 1;
130 border
= wxBORDER_SUNKEN
;
134 // Generic version is optimized for wxGTK
137 #define UNRELIABLE_TEXTCTRL_BORDER
141 if ( style
& wxCB_READONLY
)
143 m_widthCustomBorder
= 1;
147 m_widthCustomBorder
= 0;
153 // Have textctrl instead use the border given.
157 // Because we are going to have button outside the border,
158 // let's use wxBORDER_NONE for the whole control.
159 border
= wxBORDER_NONE
;
161 Customize( wxCC_BUTTON_OUTSIDE_BORDER
|
162 wxCC_NO_TEXT_AUTO_SELECT
);
166 style
= (style
& ~(wxBORDER_MASK
)) | border
;
167 if ( style
& wxCC_STD_BUTTON
)
168 m_iFlags
|= wxCC_POPUP_ON_MOUSE_UP
;
170 // create main window
171 if ( !wxComboCtrlBase::Create(parent
,
176 style
| wxFULL_REPAINT_ON_RESIZE
,
181 // Create textctrl, if necessary
182 CreateTextCtrl( tcBorder
, validator
);
184 // Add keyboard input handlers for main control and textctrl
185 InstallInputHandlers();
188 SetBackgroundStyle( wxBG_STYLE_CUSTOM
); // for double-buffering
190 // SetInitialSize should be called last
191 SetInitialSize(size
);
196 wxGenericComboCtrl::~wxGenericComboCtrl()
200 void wxGenericComboCtrl::OnResize()
203 // Recalculates button and textctrl areas
204 CalculateAreas(DEFAULT_DROPBUTTON_WIDTH
);
207 // Move separate button control, if any, to correct position
210 wxSize sz
= GetClientSize();
211 m_btn
->SetSize( m_btnArea
.x
+ m_btnSpacingX
,
212 (sz
.y
-m_btnSize
.y
)/2,
218 // Move textctrl, if any, accordingly
219 PositionTextCtrl( TEXTCTRLXADJUST
, TEXTCTRLYADJUST
);
222 void wxGenericComboCtrl::OnPaintEvent( wxPaintEvent
& WXUNUSED(event
) )
224 wxSize sz
= GetClientSize();
225 wxAutoBufferedPaintDC
dc(this);
227 const wxRect
& rectb
= m_btnArea
;
228 wxRect rect
= m_tcArea
;
230 // artificial simple border
231 if ( m_widthCustomBorder
)
233 int customBorder
= m_widthCustomBorder
;
236 wxPen
pen1( wxSystemSettings::GetColour(wxSYS_COLOUR_GRAYTEXT
),
241 // area around both controls
242 wxRect
rect2(0,0,sz
.x
,sz
.y
);
243 if ( m_iFlags
& wxCC_IFLAG_BUTTON_OUTSIDE
)
246 if ( customBorder
== 1 )
256 rect2
.x
-= customBorder
;
257 rect2
.y
-= customBorder
;
259 rect2
.width
+= 1 + customBorder
;
260 rect2
.height
+= 1 + customBorder
;
264 dc
.SetBrush( *wxTRANSPARENT_BRUSH
);
265 dc
.DrawRectangle(rect2
);
268 wxColour winCol
= GetBackgroundColour();
272 //wxLogDebug(wxT("hei: %i tcy: %i tchei: %i"),GetClientSize().y,m_tcArea.y,m_tcArea.height);
273 //wxLogDebug(wxT("btnx: %i tcx: %i tcwid: %i"),m_btnArea.x,m_tcArea.x,m_tcArea.width);
275 // clear main background
276 dc
.DrawRectangle(rect
);
279 // Standard button rendering
280 DrawButton(dc
,rectb
,true);
282 // paint required portion on the control
283 if ( (!m_text
|| m_widthCustomPaint
) )
285 wxASSERT( m_widthCustomPaint
>= 0 );
287 // this is intentionally here to allow drawed rectangle's
288 // right edge to be hidden
290 rect
.width
= m_widthCustomPaint
;
292 dc
.SetFont( GetFont() );
294 dc
.SetClippingRegion(rect
);
295 if ( m_popupInterface
)
296 m_popupInterface
->PaintComboControl(dc
,rect
);
298 wxComboPopup::DefaultPaintComboControl(this,dc
,rect
);
302 void wxGenericComboCtrl::OnMouseEvent( wxMouseEvent
& event
)
305 bool isOnButtonArea
= m_btnArea
.Contains(mx
,event
.m_y
);
306 int handlerFlags
= isOnButtonArea
? wxCC_MF_ON_BUTTON
: 0;
308 if ( PreprocessMouseEvent(event
,handlerFlags
) )
311 const bool ctrlIsButton
= wxPlatformIs(wxOS_WINDOWS
);
314 (m_windowStyle
& (wxCC_SPECIAL_DCLICK
|wxCB_READONLY
)) == wxCB_READONLY
)
316 // if no textctrl and no special double-click, then the entire control acts
318 handlerFlags
|= wxCC_MF_ON_BUTTON
;
319 if ( HandleButtonMouseEvent(event
,handlerFlags
) )
324 if ( isOnButtonArea
|| HasCapture() ||
325 (m_widthCustomPaint
&& mx
< (m_tcArea
.x
+m_widthCustomPaint
)) )
327 handlerFlags
|= wxCC_MF_ON_CLICK_AREA
;
329 if ( HandleButtonMouseEvent(event
,handlerFlags
) )
332 else if ( m_btnState
)
334 // otherwise need to clear the hover status
336 RefreshRect(m_btnArea
);
341 // This will handle left_down and left_dclick events outside button in a Windows/GTK-like manner.
342 // See header file for further information on this method.
343 HandleNormalMouseEvent(event
);
347 void wxGenericComboCtrl::SetCustomPaintWidth( int width
)
349 #ifdef UNRELIABLE_TEXTCTRL_BORDER
351 // If starting/stopping to show an image in front
352 // of a writable text-field, then re-create textctrl
353 // with different kind of border (because we can't
354 // assume that textctrl fully supports wxNO_BORDER).
356 wxTextCtrl
* tc
= GetTextCtrl();
358 if ( tc
&& (m_iFlags
& wxCC_BUTTON_OUTSIDE_BORDER
) )
360 int borderType
= tc
->GetWindowStyle() & wxBORDER_MASK
;
361 int tcCreateStyle
= -1;
365 // Re-create textctrl with no border
366 if ( borderType
!= wxNO_BORDER
)
368 m_widthCustomBorder
= 1;
369 tcCreateStyle
= wxNO_BORDER
;
372 else if ( width
== 0 )
374 // Re-create textctrl with normal border
375 if ( borderType
== wxNO_BORDER
)
377 m_widthCustomBorder
= 0;
382 // Common textctrl re-creation code
383 if ( tcCreateStyle
!= -1 )
385 tc
->RemoveEventHandler(m_textEvtHandler
);
386 delete m_textEvtHandler
;
388 wxValidator
* pValidator
= tc
->GetValidator();
391 pValidator
= (wxValidator
*) pValidator
->Clone();
392 CreateTextCtrl( tcCreateStyle
, *pValidator
);
397 CreateTextCtrl( tcCreateStyle
, wxDefaultValidator
);
400 InstallInputHandlers();
403 #endif // UNRELIABLE_TEXTCTRL_BORDER
405 wxComboCtrlBase::SetCustomPaintWidth( width
);
408 bool wxGenericComboCtrl::IsKeyPopupToggle(const wxKeyEvent
& event
) const
410 int keycode
= event
.GetKeyCode();
411 bool isPopupShown
= IsPopupShown();
413 // This code is AFAIK appropriate for wxGTK.
417 if ( keycode
== WXK_ESCAPE
||
418 ( keycode
== WXK_UP
&& event
.AltDown() ) )
423 if ( keycode
== WXK_DOWN
&& event
.AltDown() )
430 #ifdef __WXUNIVERSAL__
432 bool wxGenericComboCtrl::PerformAction(const wxControlAction
& action
,
434 const wxString
& strArg
)
436 bool processed
= false;
437 if ( action
== wxACTION_COMBOBOX_POPUP
)
439 if ( !IsPopupShown() )
446 else if ( action
== wxACTION_COMBOBOX_DISMISS
)
448 if ( IsPopupShown() )
459 return wxControl::PerformAction(action
, numArg
, strArg
);
465 #endif // __WXUNIVERSAL__
467 // If native wxComboCtrl was not defined, then prepare a simple
468 // front-end so that wxRTTI works as expected.
469 #ifndef _WX_COMBOCONTROL_H_
470 IMPLEMENT_DYNAMIC_CLASS(wxComboCtrl
, wxGenericComboCtrl
)
473 #endif // !wxCOMBOCONTROL_FULLY_FEATURED
475 #endif // wxUSE_COMBOCTRL