src/msw/renderer.cpp

   1 ///////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/msw/renderer.cpp
   3 // Purpose:     implementation of wxRendererNative for Windows
   4 // Author:      Vadim Zeitlin
   5 // Modified by:
   6 // Created:     20.07.2003
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) 2003 Vadim Zeitlin <vadim@wxwindows.org>
   9 // License:     wxWindows licence
  10 ///////////////////////////////////////////////////////////////////////////////
  11
  12 // ============================================================================
  13 // declarations
  14 // ============================================================================
  15
  16 // ----------------------------------------------------------------------------
  17 // headers
  18 // ----------------------------------------------------------------------------
  19
  20 // for compilers that support precompilation, includes "wx.h".
  21 #include "wx/wxprec.h"
  22
  23 #ifdef __BORLANDC__
  24     #pragma hdrstop
  25 #endif
  26
  27 #ifndef WX_PRECOMP
  28     #include "wx/string.h"
  29     #include "wx/window.h"
  30     #include "wx/dc.h"
  31     #include "wx/settings.h"
  32 #endif //WX_PRECOMP
  33
  34 #include "wx/scopeguard.h"
  35 #include "wx/splitter.h"
  36 #include "wx/renderer.h"
  37 #include "wx/msw/private.h"
  38 #include "wx/msw/uxtheme.h"
  39
  40 // tmschema.h is in Win32 Platform SDK and might not be available with earlier
  41 // compilers
  42 #ifndef CP_DROPDOWNBUTTON
  43     #define BP_PUSHBUTTON      1
  44     #define BP_CHECKBOX        3
  45     #define CBS_UNCHECKEDNORMAL 1
  46     #define CBS_CHECKEDNORMAL   (CBS_UNCHECKEDNORMAL + 4)
  47     #define CBS_MIXEDNORMAL     (CBS_CHECKEDNORMAL + 4)
  48
  49     #define PBS_NORMAL          1
  50     #define PBS_HOT             2
  51     #define PBS_PRESSED         3
  52     #define PBS_DISABLED        4
  53     #define PBS_DEFAULTED       5
  54
  55     #define CP_DROPDOWNBUTTON  1
  56
  57     #define CBXS_NORMAL        1
  58     #define CBXS_HOT           2
  59     #define CBXS_PRESSED       3
  60     #define CBXS_DISABLED      4
  61
  62     #define TVP_GLYPH           2
  63
  64     #define GLPS_CLOSED         1
  65     #define GLPS_OPENED         2
  66
  67     #define HP_HEADERITEM       1
  68
  69     #define HIS_NORMAL          1
  70     #define HIS_HOT             2
  71     #define HIS_PRESSED         3
  72
  73     #define TMT_HEIGHT          2417
  74
  75     #define HP_HEADERSORTARROW  4
  76     #define HSAS_SORTEDUP       1
  77     #define HSAS_SORTEDDOWN     2
  78 #endif
  79
  80 #if defined(__WXWINCE__)
  81     #ifndef DFCS_FLAT
  82         #define DFCS_FLAT 0
  83     #endif
  84     #ifndef DFCS_MONO
  85         #define DFCS_MONO 0
  86     #endif
  87 #endif
  88
  89 #ifndef DFCS_HOT
  90     #define DFCS_HOT 0x1000
  91 #endif
  92
  93 // ----------------------------------------------------------------------------
  94 // wxRendererMSW: wxRendererNative implementation for "old" Win32 systems
  95 // ----------------------------------------------------------------------------
  96
  97 class WXDLLEXPORT wxRendererMSW : public wxDelegateRendererNative
  98 {
  99 public:
 100     wxRendererMSW() { }
 101
 102     static wxRendererNative& Get();
 103
 104     virtual void DrawComboBoxDropButton(wxWindow *win,
 105                                         wxDC& dc,
 106                                         const wxRect& rect,
 107                                         int flags = 0);
 108
 109     virtual void DrawCheckBox(wxWindow *win,
 110                               wxDC& dc,
 111                               const wxRect& rect,
 112                               int flags = 0);
 113
 114     virtual void DrawPushButton(wxWindow *win,
 115                                 wxDC& dc,
 116                                 const wxRect& rect,
 117                                 int flags = 0);
 118
 119     virtual void DrawFocusRect(wxWindow* win,
 120                                wxDC& dc,
 121                                const wxRect& rect,
 122                                int flags = 0);
 123
 124     virtual int GetHeaderButtonHeight(wxWindow *win);
 125
 126 private:
 127     DECLARE_NO_COPY_CLASS(wxRendererMSW)
 128 };
 129
 130 // ----------------------------------------------------------------------------
 131 // wxRendererXP: wxRendererNative implementation for Windows XP and later
 132 // ----------------------------------------------------------------------------
 133
 134 #if wxUSE_UXTHEME
 135
 136 class WXDLLEXPORT wxRendererXP : public wxDelegateRendererNative
 137 {
 138 public:
 139     wxRendererXP() : wxDelegateRendererNative(wxRendererMSW::Get()) { }
 140
 141     static wxRendererNative& Get();
 142
 143     virtual int DrawHeaderButton(wxWindow *win,
 144                                   wxDC& dc,
 145                                   const wxRect& rect,
 146                                   int flags = 0,
 147                                   wxHeaderSortIconType sortArrow = wxHDR_SORT_ICON_NONE,
 148                                   wxHeaderButtonParams* params = NULL);
 149
 150     virtual void DrawTreeItemButton(wxWindow *win,
 151                                     wxDC& dc,
 152                                     const wxRect& rect,
 153                                     int flags = 0);
 154     virtual void DrawSplitterBorder(wxWindow *win,
 155                                     wxDC& dc,
 156                                     const wxRect& rect,
 157                                     int flags = 0);
 158     virtual void DrawSplitterSash(wxWindow *win,
 159                                   wxDC& dc,
 160                                   const wxSize& size,
 161                                   wxCoord position,
 162                                   wxOrientation orient,
 163                                   int flags = 0);
 164     virtual void DrawComboBoxDropButton(wxWindow *win,
 165                                         wxDC& dc,
 166                                         const wxRect& rect,
 167                                         int flags = 0);
 168     virtual void DrawCheckBox(wxWindow *win,
 169                               wxDC& dc,
 170                               const wxRect& rect,
 171                               int flags = 0);
 172
 173     virtual void DrawPushButton(wxWindow *win,
 174                                 wxDC& dc,
 175                                 const wxRect& rect,
 176                                 int flags = 0);
 177
 178     virtual void DrawItemSelectionRect(wxWindow *win,
 179                                        wxDC& dc,
 180                                        const wxRect& rect,
 181                                        int flags = 0 );
 182
 183
 184     virtual wxSplitterRenderParams GetSplitterParams(const wxWindow *win);
 185 private:
 186     DECLARE_NO_COPY_CLASS(wxRendererXP)
 187 };
 188
 189 #endif // wxUSE_UXTHEME
 190
 191 // ============================================================================
 192 // wxRendererNative and wxRendererMSW implementation
 193 // ============================================================================
 194
 195 /* static */
 196 wxRendererNative& wxRendererNative::GetDefault()
 197 {
 198 #if wxUSE_UXTHEME
 199     wxUxThemeEngine *themeEngine = wxUxThemeEngine::Get();
 200     if ( themeEngine && themeEngine->IsAppThemed() )
 201         return wxRendererXP::Get();
 202 #endif // wxUSE_UXTHEME
 203
 204     return wxRendererMSW::Get();
 205 }
 206
 207 /* static */
 208 wxRendererNative& wxRendererMSW::Get()
 209 {
 210     static wxRendererMSW s_rendererMSW;
 211
 212     return s_rendererMSW;
 213 }
 214
 215 void
 216 wxRendererMSW::DrawComboBoxDropButton(wxWindow * WXUNUSED(win),
 217                                       wxDC& dc,
 218                                       const wxRect& rect,
 219                                       int flags)
 220 {
 221     RECT r;
 222     wxCopyRectToRECT(rect, r);
 223
 224     int style = DFCS_SCROLLCOMBOBOX;
 225     if ( flags & wxCONTROL_DISABLED )
 226         style |= DFCS_INACTIVE;
 227     if ( flags & wxCONTROL_PRESSED )
 228         style |= DFCS_PUSHED | DFCS_FLAT;
 229
 230     ::DrawFrameControl(GetHdcOf(*((wxMSWDCImpl*)dc.GetImpl())), &r, DFC_SCROLL, style);
 231 }
 232
 233 void
 234 wxRendererMSW::DrawCheckBox(wxWindow * WXUNUSED(win),
 235                             wxDC& dc,
 236                             const wxRect& rect,
 237                             int flags)
 238 {
 239     RECT r;
 240     wxCopyRectToRECT(rect, r);
 241
 242     int style = DFCS_BUTTONCHECK;
 243     if ( flags & wxCONTROL_CHECKED )
 244         style |= DFCS_CHECKED;
 245     if ( flags & wxCONTROL_DISABLED )
 246         style |= DFCS_INACTIVE;
 247     if ( flags & wxCONTROL_FLAT )
 248         style |= DFCS_MONO;
 249     if ( flags & wxCONTROL_PRESSED )
 250         style |= DFCS_PUSHED;
 251     if ( flags & wxCONTROL_CURRENT )
 252         style |= DFCS_HOT;
 253
 254     ::DrawFrameControl(GetHdcOf(*((wxMSWDCImpl*)dc.GetImpl())), &r, DFC_BUTTON, style);
 255 }
 256
 257 void
 258 wxRendererMSW::DrawPushButton(wxWindow * WXUNUSED(win),
 259                               wxDC& dc,
 260                               const wxRect& rectOrig,
 261                               int flags)
 262 {
 263     wxRect rect(rectOrig);
 264
 265     int style = DFCS_BUTTONPUSH;
 266     if ( flags & wxCONTROL_DISABLED )
 267         style |= DFCS_INACTIVE;
 268     if ( flags & wxCONTROL_PRESSED )
 269         style |= DFCS_PUSHED | DFCS_FLAT;
 270     if ( flags & wxCONTROL_ISDEFAULT )
 271     {
 272         // DrawFrameControl() doesn't seem to support default buttons so we
 273         // have to draw the border ourselves
 274         wxDCPenChanger pen(dc, *wxBLACK_PEN);
 275         wxDCBrushChanger brush(dc, *wxTRANSPARENT_BRUSH);
 276         dc.DrawRectangle(rect);
 277         rect.Deflate(1);
 278     }
 279
 280     RECT rc;
 281     wxCopyRectToRECT(rect, rc);
 282
 283     ::DrawFrameControl(GetHdcOf(*((wxMSWDCImpl*)dc.GetImpl())), &rc, DFC_BUTTON, style);
 284 }
 285
 286 void wxRendererMSW::DrawFocusRect(wxWindow * WXUNUSED(win),
 287                                   wxDC& dc,
 288                                   const wxRect& rect,
 289                                   int WXUNUSED(flags))
 290 {
 291     RECT rc;
 292     wxCopyRectToRECT(rect, rc);
 293
 294     ::DrawFocusRect(GetHdcOf(*((wxMSWDCImpl*)dc.GetImpl())), &rc);
 295 }
 296
 297 int wxRendererMSW::GetHeaderButtonHeight(wxWindow * WXUNUSED(win))
 298 {
 299     // some "reasonable" value returned in case of error, it doesn't really
 300     // correspond to anything but it's better than returning 0
 301     static const int DEFAULT_HEIGHT = 20;
 302
 303
 304     // create a temporary header window just to get its geometry
 305     HWND hwndHeader = ::CreateWindow(WC_HEADER, NULL, 0,
 306                                      0, 0, 0, 0, NULL, NULL, NULL, NULL);
 307     if ( !hwndHeader )
 308         return DEFAULT_HEIGHT;
 309
 310     wxON_BLOCK_EXIT1( ::DestroyWindow, hwndHeader );
 311
 312     // initialize the struct filled with the values by Header_Layout()
 313     RECT parentRect = { 0, 0, 100, 100 };
 314     WINDOWPOS wp = { 0, 0, 0, 0, 0, 0, 0 };
 315     HDLAYOUT hdl = { &parentRect, &wp };
 316
 317     return Header_Layout(hwndHeader, &hdl) ? wp.cy : DEFAULT_HEIGHT;
 318 }
 319
 320 // ============================================================================
 321 // wxRendererXP implementation
 322 // ============================================================================
 323
 324 #if wxUSE_UXTHEME
 325
 326 /* static */
 327 wxRendererNative& wxRendererXP::Get()
 328 {
 329     static wxRendererXP s_rendererXP;
 330
 331     return s_rendererXP;
 332 }
 333
 334 // NOTE: There is no guarantee that the button drawn fills the entire rect (XP
 335 // default theme, for example), so the caller should have cleared button's
 336 // background before this call. This is quite likely a wxMSW-specific thing.
 337 void
 338 wxRendererXP::DrawComboBoxDropButton(wxWindow * win,
 339                                       wxDC& dc,
 340                                       const wxRect& rect,
 341                                       int flags)
 342 {
 343     wxUxThemeHandle hTheme(win, L"COMBOBOX");
 344     if ( !hTheme )
 345     {
 346         m_rendererNative.DrawComboBoxDropButton(win, dc, rect, flags);
 347         return;
 348     }
 349
 350     RECT r;
 351     wxCopyRectToRECT(rect, r);
 352
 353     int state;
 354     if ( flags & wxCONTROL_PRESSED )
 355         state = CBXS_PRESSED;
 356     else if ( flags & wxCONTROL_CURRENT )
 357         state = CBXS_HOT;
 358     else if ( flags & wxCONTROL_DISABLED )
 359         state = CBXS_DISABLED;
 360     else
 361         state = CBXS_NORMAL;
 362
 363     wxUxThemeEngine::Get()->DrawThemeBackground
 364                             (
 365                                 hTheme,
 366                                 GetHdcOf(*((wxMSWDCImpl*)dc.GetImpl())),
 367                                 CP_DROPDOWNBUTTON,
 368                                 state,
 369                                 &r,
 370                                 NULL
 371                             );
 372
 373 }
 374
 375 int
 376 wxRendererXP::DrawHeaderButton(wxWindow *win,
 377                                wxDC& dc,
 378                                const wxRect& rect,
 379                                int flags,
 380                                wxHeaderSortIconType sortArrow,
 381                                wxHeaderButtonParams* params)
 382 {
 383     wxUxThemeHandle hTheme(win, L"HEADER");
 384     if ( !hTheme )
 385     {
 386         return m_rendererNative.DrawHeaderButton(win, dc, rect, flags, sortArrow, params);
 387     }
 388
 389     RECT r;
 390     wxCopyRectToRECT(rect, r);
 391
 392     int state;
 393     if ( flags & wxCONTROL_PRESSED )
 394         state = HIS_PRESSED;
 395     else if ( flags & wxCONTROL_CURRENT )
 396         state = HIS_HOT;
 397     else
 398         state = HIS_NORMAL;
 399     wxUxThemeEngine::Get()->DrawThemeBackground
 400                             (
 401                                 hTheme,
 402                                 GetHdcOf(*((wxMSWDCImpl*)dc.GetImpl())),
 403                                 HP_HEADERITEM,
 404                                 state,
 405                                 &r,
 406                                 NULL
 407                             );
 408
 409     // NOTE: Using the theme to draw HP_HEADERSORTARROW doesn't do anything.
 410     // Why?  If this can be fixed then draw the sort arrows using the theme
 411     // and then clear those flags before calling DrawHeaderButtonContents.
 412
 413     // Add any extras that are specified in flags and params
 414     return DrawHeaderButtonContents(win, dc, rect, flags, sortArrow, params);
 415 }
 416
 417
 418 void
 419 wxRendererXP::DrawTreeItemButton(wxWindow *win,
 420                                  wxDC& dc,
 421                                  const wxRect& rect,
 422                                  int flags)
 423 {
 424     wxUxThemeHandle hTheme(win, L"TREEVIEW");
 425     if ( !hTheme )
 426     {
 427         m_rendererNative.DrawTreeItemButton(win, dc, rect, flags);
 428         return;
 429     }
 430
 431     RECT r;
 432     wxCopyRectToRECT(rect, r);
 433
 434     int state = flags & wxCONTROL_EXPANDED ? GLPS_OPENED : GLPS_CLOSED;
 435     wxUxThemeEngine::Get()->DrawThemeBackground
 436                             (
 437                                 hTheme,
 438                                 GetHdcOf(*((wxMSWDCImpl*)dc.GetImpl())),
 439                                 TVP_GLYPH,
 440                                 state,
 441                                 &r,
 442                                 NULL
 443                             );
 444 }
 445
 446 void
 447 wxRendererXP::DrawCheckBox(wxWindow *win,
 448                            wxDC& dc,
 449                            const wxRect& rect,
 450                            int flags)
 451 {
 452     wxUxThemeHandle hTheme(win, L"BUTTON");
 453     if ( !hTheme )
 454     {
 455         m_rendererNative.DrawCheckBox(win, dc, rect, flags);
 456         return;
 457     }
 458
 459     RECT r;
 460     wxCopyRectToRECT(rect, r);
 461
 462     int state;
 463     if ( flags & wxCONTROL_CHECKED )
 464         state = CBS_CHECKEDNORMAL;
 465     else if ( flags & wxCONTROL_UNDETERMINED )
 466         state = CBS_MIXEDNORMAL;
 467     else
 468         state = CBS_UNCHECKEDNORMAL;
 469
 470     // CBS_XXX is followed by CBX_XXXHOT, then CBS_XXXPRESSED and DISABLED
 471     enum
 472     {
 473         CBS_HOT_OFFSET = 1,
 474         CBS_PRESSED_OFFSET = 2,
 475         CBS_DISABLED_OFFSET = 3
 476     };
 477
 478     if ( flags & wxCONTROL_DISABLED )
 479         state += CBS_DISABLED_OFFSET;
 480     else if ( flags & wxCONTROL_PRESSED )
 481         state += CBS_PRESSED_OFFSET;
 482     else if ( flags & wxCONTROL_CURRENT )
 483         state += CBS_HOT_OFFSET;
 484
 485     wxUxThemeEngine::Get()->DrawThemeBackground
 486                             (
 487                                 hTheme,
 488                                 GetHdcOf(*((wxMSWDCImpl*)dc.GetImpl())),
 489                                 BP_CHECKBOX,
 490                                 state,
 491                                 &r,
 492                                 NULL
 493                             );
 494 }
 495
 496 void
 497 wxRendererXP::DrawPushButton(wxWindow * win,
 498                              wxDC& dc,
 499                              const wxRect& rect,
 500                              int flags)
 501 {
 502     wxUxThemeHandle hTheme(win, L"BUTTON");
 503     if ( !hTheme )
 504     {
 505         m_rendererNative.DrawPushButton(win, dc, rect, flags);
 506         return;
 507     }
 508
 509     RECT r;
 510     wxCopyRectToRECT(rect, r);
 511
 512     int state;
 513     if ( flags & wxCONTROL_PRESSED )
 514         state = PBS_PRESSED;
 515     else if ( flags & wxCONTROL_CURRENT )
 516         state = PBS_HOT;
 517     else if ( flags & wxCONTROL_DISABLED )
 518         state = PBS_DISABLED;
 519     else if ( flags & wxCONTROL_ISDEFAULT )
 520         state = PBS_DEFAULTED;
 521     else
 522         state = PBS_NORMAL;
 523
 524     wxUxThemeEngine::Get()->DrawThemeBackground
 525                             (
 526                                 hTheme,
 527                                 GetHdcOf(*((wxMSWDCImpl*)dc.GetImpl())),
 528                                 BP_PUSHBUTTON,
 529                                 state,
 530                                 &r,
 531                                 NULL
 532                             );
 533
 534 }
 535
 536 void
 537 wxRendererXP::DrawItemSelectionRect(wxWindow *win,
 538                                     wxDC& dc,
 539                                     const wxRect& rect,
 540                                     int flags)
 541 {
 542     wxBrush brush;
 543     if ( flags & wxCONTROL_SELECTED )
 544     {
 545         if ( flags & wxCONTROL_FOCUSED )
 546         {
 547             brush = wxBrush(wxSystemSettings::GetColour(wxSYS_COLOUR_HIGHLIGHT));
 548         }
 549         else // !focused
 550         {
 551             brush = wxBrush(wxSystemSettings::GetColour(wxSYS_COLOUR_BTNFACE));
 552         }
 553     }
 554     else // !selected
 555     {
 556         brush = *wxTRANSPARENT_BRUSH;
 557     }
 558
 559     dc.SetBrush(brush);
 560     dc.SetPen(*wxTRANSPARENT_PEN);
 561     dc.DrawRectangle( rect );
 562
 563     if ((flags & wxCONTROL_FOCUSED) && (flags & wxCONTROL_CURRENT))
 564         DrawFocusRect( win, dc, rect, flags );
 565 }
 566
 567
 568
 569 // ----------------------------------------------------------------------------
 570 // splitter drawing
 571 // ----------------------------------------------------------------------------
 572
 573 // the width of the sash: this is the same as used by Explorer...
 574 static const wxCoord SASH_WIDTH = 4;
 575
 576 wxSplitterRenderParams
 577 wxRendererXP::GetSplitterParams(const wxWindow * win)
 578 {
 579     if ( win->HasFlag(wxSP_NO_XP_THEME) )
 580         return m_rendererNative.GetSplitterParams(win);
 581     else
 582         return wxSplitterRenderParams(SASH_WIDTH, 0, false);
 583 }
 584
 585 void
 586 wxRendererXP::DrawSplitterBorder(wxWindow * win,
 587                                  wxDC& dc,
 588                                  const wxRect& rect,
 589                                  int flags)
 590 {
 591     if ( win->HasFlag(wxSP_NO_XP_THEME) )
 592     {
 593         m_rendererNative.DrawSplitterBorder(win, dc, rect, flags);
 594     }
 595 }
 596
 597 void
 598 wxRendererXP::DrawSplitterSash(wxWindow *win,
 599                                wxDC& dc,
 600                                const wxSize& size,
 601                                wxCoord position,
 602                                wxOrientation orient,
 603                                int flags)
 604 {
 605     if ( !win->HasFlag(wxSP_NO_XP_THEME) )
 606     {
 607         dc.SetPen(*wxTRANSPARENT_PEN);
 608         dc.SetBrush(wxBrush(wxSystemSettings::GetColour(wxSYS_COLOUR_BTNFACE)));
 609         if ( orient == wxVERTICAL )
 610         {
 611             dc.DrawRectangle(position, 0, SASH_WIDTH, size.y);
 612         }
 613         else // wxHORIZONTAL
 614         {
 615             dc.DrawRectangle(0, position, size.x, SASH_WIDTH);
 616         }
 617
 618         return;
 619     }
 620
 621     m_rendererNative.DrawSplitterSash(win, dc, size, position, orient, flags);
 622 }
 623
 624 #endif // wxUSE_UXTHEME