| 1 | ///////////////////////////////////////////////////////////////////////////// |
| 2 | // Name: combo.cpp |
| 3 | // Purpose: wxMSW wxComboCtrl |
| 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 | |
| 26 | #if wxUSE_COMBOCTRL |
| 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 | |
| 79 | BEGIN_EVENT_TABLE(wxComboCtrl, wxComboCtrlBase) |
| 80 | EVT_PAINT(wxComboCtrl::OnPaintEvent) |
| 81 | EVT_MOUSE_EVENTS(wxComboCtrl::OnMouseEvent) |
| 82 | END_EVENT_TABLE() |
| 83 | |
| 84 | |
| 85 | IMPLEMENT_DYNAMIC_CLASS(wxComboCtrl, wxComboCtrlBase) |
| 86 | |
| 87 | void wxComboCtrl::Init() |
| 88 | { |
| 89 | } |
| 90 | |
| 91 | bool wxComboCtrl::Create(wxWindow *parent, |
| 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 |
| 121 | if ( !wxComboCtrlBase::Create(parent, |
| 122 | id, |
| 123 | value, |
| 124 | wxDefaultPosition, |
| 125 | wxDefaultSize, |
| 126 | style | wxFULL_REPAINT_ON_RESIZE, |
| 127 | wxDefaultValidator, |
| 128 | name) ) |
| 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 |
| 138 | InstallInputHandlers( true ); |
| 139 | |
| 140 | // Prepare background for double-buffering |
| 141 | SetBackgroundStyle( wxBG_STYLE_CUSTOM ); |
| 142 | |
| 143 | // SetSize should be called last |
| 144 | SetSize(pos.x,pos.y,size.x,size.y); |
| 145 | |
| 146 | return true; |
| 147 | } |
| 148 | |
| 149 | wxComboCtrl::~wxComboCtrl() |
| 150 | { |
| 151 | } |
| 152 | |
| 153 | void wxComboCtrl::OnThemeChange() |
| 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 | |
| 173 | void wxComboCtrl::OnResize() |
| 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 |
| 242 | void wxComboCtrl::DrawFocusBackground( wxDC& dc, const wxRect& rect, int flags ) |
| 243 | { |
| 244 | wxUxThemeEngine* theme = (wxUxThemeEngine*) NULL; |
| 245 | wxUxThemeHandle hTheme(this, L"COMBOBOX"); |
| 246 | //COLORREF cref; |
| 247 | |
| 248 | wxSize sz = GetClientSize(); |
| 249 | bool isEnabled; |
| 250 | bool isFocused; // also selected |
| 251 | |
| 252 | // For smaller size control (and for disabled background) use less spacing |
| 253 | int focusSpacingX; |
| 254 | int focusSpacingY; |
| 255 | |
| 256 | if ( !(flags & wxCONTROL_ISSUBMENU) ) |
| 257 | { |
| 258 | // Drawing control |
| 259 | isEnabled = IsEnabled(); |
| 260 | isFocused = ShouldDrawFocus(); |
| 261 | |
| 262 | // Windows-style: for smaller size control (and for disabled background) use less spacing |
| 263 | if ( hTheme ) |
| 264 | { |
| 265 | // WinXP Theme |
| 266 | focusSpacingX = isEnabled ? 2 : 1; |
| 267 | focusSpacingY = sz.y > (GetCharHeight()+2) && isEnabled ? 2 : 1; |
| 268 | } |
| 269 | else |
| 270 | { |
| 271 | // Classic Theme |
| 272 | if ( isEnabled ) |
| 273 | { |
| 274 | focusSpacingX = 1; |
| 275 | focusSpacingY = 1; |
| 276 | } |
| 277 | else |
| 278 | { |
| 279 | focusSpacingX = 0; |
| 280 | focusSpacingY = 0; |
| 281 | } |
| 282 | } |
| 283 | } |
| 284 | else |
| 285 | { |
| 286 | // Drawing a list item |
| 287 | isEnabled = true; // they are never disabled |
| 288 | isFocused = flags & wxCONTROL_SELECTED ? true : false; |
| 289 | |
| 290 | focusSpacingX = 0; |
| 291 | focusSpacingY = 0; |
| 292 | } |
| 293 | |
| 294 | // Set the background sub-rectangle for selection, disabled etc |
| 295 | wxRect selRect(rect); |
| 296 | selRect.y += focusSpacingY; |
| 297 | selRect.height -= (focusSpacingY*2); |
| 298 | selRect.x += m_widthCustomPaint + focusSpacingX; |
| 299 | selRect.width -= m_widthCustomPaint + (focusSpacingX*2); |
| 300 | |
| 301 | if ( hTheme ) |
| 302 | theme = wxUxThemeEngine::GetIfActive(); |
| 303 | |
| 304 | wxColour bgCol; |
| 305 | bool drawDottedEdge = false; |
| 306 | |
| 307 | if ( isEnabled ) |
| 308 | { |
| 309 | // If popup is hidden and this control is focused, |
| 310 | // then draw the focus-indicator (selbgcolor background etc.). |
| 311 | if ( isFocused ) |
| 312 | { |
| 313 | #if 0 |
| 314 | // TODO: Proper theme color getting (JMS: I don't know which parts/colors to use, |
| 315 | // those below don't work) |
| 316 | if ( hTheme ) |
| 317 | { |
| 318 | theme->GetThemeColor(hTheme,EP_EDITTEXT,ETS_SELECTED,TMT_TEXTCOLOR,&cref); |
| 319 | dc.SetTextForeground( wxRGBToColour(cref) ); |
| 320 | theme->GetThemeColor(hTheme,EP_EDITTEXT,ETS_SELECTED,TMT_FILLCOLOR,&cref); |
| 321 | bgCol = wxRGBToColour(cref); |
| 322 | } |
| 323 | else |
| 324 | #endif |
| 325 | { |
| 326 | dc.SetTextForeground( wxSystemSettings::GetColour(wxSYS_COLOUR_HIGHLIGHTTEXT) ); |
| 327 | bgCol = wxSystemSettings::GetColour(wxSYS_COLOUR_HIGHLIGHT); |
| 328 | if ( m_windowStyle & wxCB_READONLY ) |
| 329 | drawDottedEdge = true; |
| 330 | } |
| 331 | } |
| 332 | else |
| 333 | { |
| 334 | /*if ( hTheme ) |
| 335 | { |
| 336 | theme->GetThemeColor(hTheme,EP_EDITTEXT,ETS_NORMAL,TMT_TEXTCOLOR,&cref); |
| 337 | dc.SetTextForeground( wxRGBToColour(cref) ); |
| 338 | theme->GetThemeColor(hTheme,EP_EDITTEXT,ETS_NORMAL,TMT_FILLCOLOR,&cref); |
| 339 | bgCol = wxRGBToColour(cref); |
| 340 | } |
| 341 | else |
| 342 | {*/ |
| 343 | dc.SetTextForeground( wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOWTEXT) ); |
| 344 | bgCol = GetBackgroundColour(); |
| 345 | //} |
| 346 | } |
| 347 | } |
| 348 | else |
| 349 | { |
| 350 | /*if ( hTheme ) |
| 351 | { |
| 352 | theme->GetThemeColor(hTheme,EP_EDITTEXT,ETS_DISABLED,TMT_TEXTCOLOR,&cref); |
| 353 | dc.SetTextForeground( wxRGBToColour(cref) ); |
| 354 | theme->GetThemeColor(hTheme,EP_EDITTEXT,ETS_DISABLED,TMT_EDGEFILLCOLOR,&cref); |
| 355 | bgCol = wxRGBToColour(cref); |
| 356 | } |
| 357 | else |
| 358 | {*/ |
| 359 | dc.SetTextForeground( wxSystemSettings::GetColour(wxSYS_COLOUR_GRAYTEXT) ); |
| 360 | bgCol = wxSystemSettings::GetColour(wxSYS_COLOUR_BTNFACE); |
| 361 | //} |
| 362 | } |
| 363 | |
| 364 | dc.SetBrush(bgCol); |
| 365 | dc.SetPen(bgCol); |
| 366 | dc.DrawRectangle(selRect); |
| 367 | if ( drawDottedEdge ) |
| 368 | wxMSWDrawFocusRect(dc,selRect); |
| 369 | |
| 370 | } |
| 371 | |
| 372 | void wxComboCtrl::OnPaintEvent( wxPaintEvent& WXUNUSED(event) ) |
| 373 | { |
| 374 | // TODO: Convert drawing in this function to Windows API Code |
| 375 | |
| 376 | wxSize sz = GetClientSize(); |
| 377 | wxBufferedPaintDC dc(this,GetBufferBitmap(sz)); |
| 378 | |
| 379 | const wxRect& rectb = m_btnArea; |
| 380 | wxRect rect = m_tcArea; |
| 381 | bool isEnabled = IsEnabled(); |
| 382 | wxColour bgCol = GetBackgroundColour(); |
| 383 | wxColour fgCol; |
| 384 | |
| 385 | wxUxThemeEngine* theme = NULL; |
| 386 | wxUxThemeHandle hTheme(this, L"COMBOBOX"); |
| 387 | int etsState; |
| 388 | |
| 389 | // area around both controls |
| 390 | wxRect rect2(0,0,sz.x,sz.y); |
| 391 | if ( m_iFlags & wxCC_IFLAG_BUTTON_OUTSIDE ) |
| 392 | { |
| 393 | rect2 = m_tcArea; |
| 394 | rect2.Inflate(1); |
| 395 | } |
| 396 | |
| 397 | // Use theme to draw border on XP |
| 398 | if ( hTheme ) |
| 399 | { |
| 400 | theme = wxUxThemeEngine::GetIfActive(); |
| 401 | COLORREF cref; |
| 402 | |
| 403 | // Select correct border colour |
| 404 | if ( !isEnabled ) |
| 405 | etsState = ETS_DISABLED; |
| 406 | else |
| 407 | etsState = ETS_NORMAL; |
| 408 | |
| 409 | if ( m_widthCustomBorder ) |
| 410 | { |
| 411 | theme->GetThemeColor(hTheme,EP_EDITTEXT,etsState,TMT_BORDERCOLOR,&cref); |
| 412 | |
| 413 | // Set border colour |
| 414 | dc.SetPen( wxRGBToColour(cref) ); |
| 415 | |
| 416 | dc.SetBrush( *wxTRANSPARENT_BRUSH ); |
| 417 | dc.DrawRectangle(rect2); |
| 418 | } |
| 419 | |
| 420 | theme->GetThemeColor(hTheme,EP_EDITTEXT,etsState,TMT_TEXTCOLOR,&cref); |
| 421 | fgCol = wxRGBToColour(cref); |
| 422 | } |
| 423 | else |
| 424 | { |
| 425 | // draw regular background |
| 426 | fgCol = GetForegroundColour(); |
| 427 | } |
| 428 | |
| 429 | rect2.Deflate(m_widthCustomBorder); |
| 430 | |
| 431 | dc.SetBrush(bgCol); |
| 432 | dc.SetPen(bgCol); |
| 433 | |
| 434 | // clear main background |
| 435 | dc.DrawRectangle(rect); |
| 436 | |
| 437 | // Button background with theme? |
| 438 | bool drawButBg = true; |
| 439 | if ( hTheme && m_blankButtonBg ) |
| 440 | { |
| 441 | RECT r; |
| 442 | wxCopyRectToRECT(rectb, r); |
| 443 | |
| 444 | // Draw parent background if needed (since button looks like its out of |
| 445 | // the combo, this is preferred). |
| 446 | theme->DrawThemeParentBackground(GetHwndOf(this), |
| 447 | GetHdcOf(dc), |
| 448 | &r); |
| 449 | |
| 450 | drawButBg = false; |
| 451 | } |
| 452 | |
| 453 | // Standard button rendering |
| 454 | DrawButton(dc,rectb,drawButBg); |
| 455 | |
| 456 | // paint required portion on the control |
| 457 | if ( (!m_text || m_widthCustomPaint) ) |
| 458 | { |
| 459 | wxASSERT( m_widthCustomPaint >= 0 ); |
| 460 | |
| 461 | // this is intentionally here to allow drawed rectangle's |
| 462 | // right edge to be hidden |
| 463 | if ( m_text ) |
| 464 | rect.width = m_widthCustomPaint; |
| 465 | |
| 466 | dc.SetFont( GetFont() ); |
| 467 | |
| 468 | dc.SetClippingRegion(rect); |
| 469 | if ( m_popupInterface ) |
| 470 | m_popupInterface->PaintComboControl(dc,rect); |
| 471 | else |
| 472 | wxComboPopup::DefaultPaintComboControl(this,dc,rect); |
| 473 | } |
| 474 | } |
| 475 | |
| 476 | void wxComboCtrl::OnMouseEvent( wxMouseEvent& event ) |
| 477 | { |
| 478 | bool isOnButtonArea = m_btnArea.Inside(event.m_x,event.m_y); |
| 479 | int handlerFlags = isOnButtonArea ? wxCC_MF_ON_BUTTON : 0; |
| 480 | |
| 481 | // Preprocessing fabricates double-clicks and prevents |
| 482 | // (it may also do other common things in future) |
| 483 | if ( PreprocessMouseEvent(event,isOnButtonArea) ) |
| 484 | return; |
| 485 | |
| 486 | if ( (m_windowStyle & (wxCC_SPECIAL_DCLICK|wxCB_READONLY)) == wxCB_READONLY ) |
| 487 | { |
| 488 | // if no textctrl and no special double-click, then the entire control acts |
| 489 | // as a button |
| 490 | handlerFlags |= wxCC_MF_ON_BUTTON; |
| 491 | if ( HandleButtonMouseEvent(event,handlerFlags) ) |
| 492 | return; |
| 493 | } |
| 494 | else |
| 495 | { |
| 496 | if ( isOnButtonArea || HasCapture() ) |
| 497 | { |
| 498 | if ( HandleButtonMouseEvent(event,handlerFlags) ) |
| 499 | return; |
| 500 | } |
| 501 | else if ( m_btnState ) |
| 502 | { |
| 503 | // otherwise need to clear the hover status |
| 504 | m_btnState = 0; |
| 505 | RefreshRect(m_btnArea); |
| 506 | } |
| 507 | } |
| 508 | |
| 509 | // |
| 510 | // This will handle left_down and left_dclick events outside button in a Windows-like manner. |
| 511 | // See header file for further information on this method. |
| 512 | HandleNormalMouseEvent(event); |
| 513 | |
| 514 | } |
| 515 | |
| 516 | wxCoord wxComboCtrl::GetNativeTextIndent() const |
| 517 | { |
| 518 | if ( wxUxThemeEngine::GetIfActive() ) |
| 519 | return NATIVE_TEXT_INDENT_XP; |
| 520 | return NATIVE_TEXT_INDENT_CLASSIC; |
| 521 | } |
| 522 | |
| 523 | |
| 524 | #endif // wxUSE_COMBOCTRL |