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/splitter.h"
  35 #include "wx/renderer.h"
  36 #include "wx/msw/private.h"
  37 #include "wx/msw/uxtheme.h"
  38
  39 // tmschema.h is in Win32 Platform SDK and might not be available with earlier
  40 // compilers
  41 #ifndef CP_DROPDOWNBUTTON
  42     #define BP_PUSHBUTTON      1
  43     #define BP_CHECKBOX        3
  44     #define CBS_UNCHECKEDNORMAL 1
  45     #define CBS_CHECKEDNORMAL   (CBS_UNCHECKEDNORMAL + 4)
  46     #define CBS_MIXEDNORMAL     (CBS_CHECKEDNORMAL + 4)
  47
  48     #define PBS_NORMAL          1
  49     #define PBS_HOT             2
  50     #define PBS_PRESSED         3
  51     #define PBS_DISABLED        4
  52     #define PBS_DEFAULTED       5
  53
  54     #define CP_DROPDOWNBUTTON  1
  55
  56     #define CBXS_NORMAL        1
  57     #define CBXS_HOT           2
  58     #define CBXS_PRESSED       3
  59     #define CBXS_DISABLED      4
  60
  61     #define TVP_GLYPH           2
  62
  63     #define GLPS_CLOSED         1
  64     #define GLPS_OPENED         2
  65
  66     #define HP_HEADERITEM       1
  67
  68     #define HIS_NORMAL          1
  69     #define HIS_HOT             2
  70     #define HIS_PRESSED         3
  71
  72     #define TMT_HEIGHT          2417
  73
  74     #define HP_HEADERSORTARROW  4
  75     #define HSAS_SORTEDUP       1
  76     #define HSAS_SORTEDDOWN     2
  77 #endif
  78
  79 #if defined(__WXWINCE__) && !defined(DFCS_FLAT)
  80     #define DFCS_FLAT 0
  81 #endif
  82
  83 // ----------------------------------------------------------------------------
  84 // wxRendererMSW: wxRendererNative implementation for "old" Win32 systems
  85 // ----------------------------------------------------------------------------
  86
  87 class WXDLLEXPORT wxRendererMSW : public wxDelegateRendererNative
  88 {
  89 public:
  90     wxRendererMSW() { }
  91
  92     static wxRendererNative& Get();
  93
  94     virtual void DrawComboBoxDropButton(wxWindow *win,
  95                                         wxDC& dc,
  96                                         const wxRect& rect,
  97                                         int flags = 0);
  98
  99     virtual void DrawPushButton(wxWindow *win,
 100                                 wxDC& dc,
 101                                 const wxRect& rect,
 102                                 int flags = 0);
 103
 104 private:
 105     DECLARE_NO_COPY_CLASS(wxRendererMSW)
 106 };
 107
 108 // ----------------------------------------------------------------------------
 109 // wxRendererXP: wxRendererNative implementation for Windows XP and later
 110 // ----------------------------------------------------------------------------
 111
 112 #if wxUSE_UXTHEME
 113
 114 class WXDLLEXPORT wxRendererXP : public wxDelegateRendererNative
 115 {
 116 public:
 117     wxRendererXP() : wxDelegateRendererNative(wxRendererMSW::Get()) { }
 118
 119     static wxRendererNative& Get();
 120
 121     virtual void DrawHeaderButton(wxWindow *win,
 122                                   wxDC& dc,
 123                                   const wxRect& rect,
 124                                   int flags = 0,
 125                                   wxHeaderSortIconType sortArrow = wxHDR_SORT_ICON_NONE,
 126                                   wxHeaderButtonParams* params = NULL);
 127     virtual int GetHeaderButtonHeight(wxWindow *win);
 128
 129     virtual void DrawTreeItemButton(wxWindow *win,
 130                                     wxDC& dc,
 131                                     const wxRect& rect,
 132                                     int flags = 0);
 133     virtual void DrawSplitterBorder(wxWindow *win,
 134                                     wxDC& dc,
 135                                     const wxRect& rect,
 136                                     int flags = 0);
 137     virtual void DrawSplitterSash(wxWindow *win,
 138                                   wxDC& dc,
 139                                   const wxSize& size,
 140                                   wxCoord position,
 141                                   wxOrientation orient,
 142                                   int flags = 0);
 143     virtual void DrawComboBoxDropButton(wxWindow *win,
 144                                         wxDC& dc,
 145                                         const wxRect& rect,
 146                                         int flags = 0);
 147     virtual void DrawCheckBox(wxWindow *win,
 148                               wxDC& dc,
 149                               const wxRect& rect,
 150                               int flags = 0);
 151
 152     virtual void DrawPushButton(wxWindow *win,
 153                                 wxDC& dc,
 154                                 const wxRect& rect,
 155                                 int flags = 0);
 156
 157     virtual wxSplitterRenderParams GetSplitterParams(const wxWindow *win);
 158 private:
 159     DECLARE_NO_COPY_CLASS(wxRendererXP)
 160 };
 161
 162 #endif // wxUSE_UXTHEME
 163
 164 // ============================================================================
 165 // wxRendererNative and wxRendererMSW implementation
 166 // ============================================================================
 167
 168 /* static */
 169 wxRendererNative& wxRendererNative::GetDefault()
 170 {
 171 #if wxUSE_UXTHEME
 172     wxUxThemeEngine *themeEngine = wxUxThemeEngine::Get();
 173     if ( themeEngine && themeEngine->IsAppThemed() )
 174         return wxRendererXP::Get();
 175 #endif // wxUSE_UXTHEME
 176
 177     return wxRendererMSW::Get();
 178 }
 179
 180 /* static */
 181 wxRendererNative& wxRendererMSW::Get()
 182 {
 183     static wxRendererMSW s_rendererMSW;
 184
 185     return s_rendererMSW;
 186 }
 187
 188 void
 189 wxRendererMSW::DrawComboBoxDropButton(wxWindow * WXUNUSED(win),
 190                                       wxDC& dc,
 191                                       const wxRect& rect,
 192                                       int flags)
 193 {
 194     RECT r;
 195     r.left = rect.GetLeft();
 196     r.top = rect.GetTop();
 197     r.bottom = rect.y + rect.height;
 198     r.right = rect.x + rect.width;
 199
 200     int style = DFCS_SCROLLCOMBOBOX;
 201     if ( flags & wxCONTROL_DISABLED )
 202         style |= DFCS_INACTIVE;
 203     if ( flags & wxCONTROL_PRESSED )
 204         style |= DFCS_PUSHED | DFCS_FLAT;
 205
 206     ::DrawFrameControl(GetHdcOf(dc), &r, DFC_SCROLL, style);
 207 }
 208
 209 void
 210 wxRendererMSW::DrawPushButton(wxWindow * WXUNUSED(win),
 211                               wxDC& dc,
 212                               const wxRect& rectOrig,
 213                               int flags)
 214 {
 215     wxRect rect(rectOrig);
 216
 217     int style = DFCS_BUTTONPUSH;
 218     if ( flags & wxCONTROL_DISABLED )
 219         style |= DFCS_INACTIVE;
 220     if ( flags & wxCONTROL_PRESSED )
 221         style |= DFCS_PUSHED | DFCS_FLAT;
 222     if ( flags & wxCONTROL_ISDEFAULT )
 223     {
 224         // DrawFrameControl() doesn't seem to support default buttons so we
 225         // have to draw the border ourselves
 226         wxDCPenChanger pen(dc, *wxBLACK_PEN);
 227         wxDCBrushChanger brush(dc, *wxTRANSPARENT_BRUSH);
 228         dc.DrawRectangle(rect);
 229         rect.Deflate(1);
 230     }
 231
 232     RECT rc;
 233     wxCopyRectToRECT(rect, rc);
 234
 235     ::DrawFrameControl(GetHdcOf(dc), &rc, DFC_BUTTON, style);
 236 }
 237
 238 // ============================================================================
 239 // wxRendererXP implementation
 240 // ============================================================================
 241
 242 #if wxUSE_UXTHEME
 243
 244 /* static */
 245 wxRendererNative& wxRendererXP::Get()
 246 {
 247     static wxRendererXP s_rendererXP;
 248
 249     return s_rendererXP;
 250 }
 251
 252 // NOTE: There is no guarantee that the button drawn fills the entire rect (XP
 253 // default theme, for example), so the caller should have cleared button's
 254 // background before this call. This is quite likely a wxMSW-specific thing.
 255 void
 256 wxRendererXP::DrawComboBoxDropButton(wxWindow * win,
 257                                       wxDC& dc,
 258                                       const wxRect& rect,
 259                                       int flags)
 260 {
 261     wxUxThemeHandle hTheme(win, L"COMBOBOX");
 262     if ( !hTheme )
 263     {
 264         m_rendererNative.DrawComboBoxDropButton(win, dc, rect, flags);
 265         return;
 266     }
 267
 268     RECT r;
 269     wxCopyRectToRECT(rect, r);
 270
 271     int state;
 272     if ( flags & wxCONTROL_PRESSED )
 273         state = CBXS_PRESSED;
 274     else if ( flags & wxCONTROL_CURRENT )
 275         state = CBXS_HOT;
 276     else if ( flags & wxCONTROL_DISABLED )
 277         state = CBXS_DISABLED;
 278     else
 279         state = CBXS_NORMAL;
 280
 281     wxUxThemeEngine::Get()->DrawThemeBackground
 282                             (
 283                                 hTheme,
 284                                 GetHdcOf(dc),
 285                                 CP_DROPDOWNBUTTON,
 286                                 state,
 287                                 &r,
 288                                 NULL
 289                             );
 290
 291 }
 292
 293 void
 294 wxRendererXP::DrawHeaderButton(wxWindow *win,
 295                                wxDC& dc,
 296                                const wxRect& rect,
 297                                int flags,
 298                                wxHeaderSortIconType sortArrow,
 299                                wxHeaderButtonParams* params)
 300 {
 301     wxUxThemeHandle hTheme(win, L"HEADER");
 302     if ( !hTheme )
 303     {
 304         m_rendererNative.DrawHeaderButton(win, dc, rect, flags, sortArrow, params);
 305         return;
 306     }
 307
 308     RECT r;
 309     wxCopyRectToRECT(rect, r);
 310
 311     int state;
 312     if ( flags & wxCONTROL_PRESSED )
 313         state = HIS_PRESSED;
 314     else if ( flags & wxCONTROL_CURRENT )
 315         state = HIS_HOT;
 316     else
 317         state = HIS_NORMAL;
 318     wxUxThemeEngine::Get()->DrawThemeBackground
 319                             (
 320                                 hTheme,
 321                                 GetHdcOf(dc),
 322                                 HP_HEADERITEM,
 323                                 state,
 324                                 &r,
 325                                 NULL
 326                             );
 327
 328     // NOTE: Using the theme to draw HP_HEADERSORTARROW doesn't do anything.
 329     // Why?  If this can be fixed then draw the sort arrows using the theme
 330     // and then clear those flags before calling DrawHeaderButtonContents.
 331
 332     // Add any extras that are specified in flags and params
 333     DrawHeaderButtonContents(win, dc, rect, flags, sortArrow, params);
 334 }
 335
 336
 337 int
 338 wxRendererXP::GetHeaderButtonHeight(wxWindow *win)
 339 {
 340     wxUxThemeHandle hTheme(win, L"HEADER");
 341     if ( !hTheme )
 342     {
 343         return m_rendererNative.GetHeaderButtonHeight(win);
 344     }
 345
 346     HRESULT hr;
 347     int value = -1;
 348
 349     hr = wxUxThemeEngine::Get()->GetThemeMetric( hTheme,
 350                                                  NULL,
 351                                                  HP_HEADERITEM,
 352                                                  HIS_NORMAL,
 353                                                  TMT_HEIGHT,
 354                                                  &value );
 355     if ( hr == S_OK )
 356         return value;
 357     else
 358         return 20;
 359 }
 360
 361
 362 void
 363 wxRendererXP::DrawTreeItemButton(wxWindow *win,
 364                                  wxDC& dc,
 365                                  const wxRect& rect,
 366                                  int flags)
 367 {
 368     wxUxThemeHandle hTheme(win, L"TREEVIEW");
 369     if ( !hTheme )
 370     {
 371         m_rendererNative.DrawTreeItemButton(win, dc, rect, flags);
 372         return;
 373     }
 374
 375     RECT r;
 376     wxCopyRectToRECT(rect, r);
 377
 378     int state = flags & wxCONTROL_EXPANDED ? GLPS_OPENED : GLPS_CLOSED;
 379     wxUxThemeEngine::Get()->DrawThemeBackground
 380                             (
 381                                 hTheme,
 382                                 GetHdcOf(dc),
 383                                 TVP_GLYPH,
 384                                 state,
 385                                 &r,
 386                                 NULL
 387                             );
 388 }
 389
 390 void
 391 wxRendererXP::DrawCheckBox(wxWindow *win,
 392                            wxDC& dc,
 393                            const wxRect& rect,
 394                            int flags)
 395 {
 396     wxUxThemeHandle hTheme(win, L"BUTTON");
 397     if ( !hTheme )
 398     {
 399         m_rendererNative.DrawCheckBox(win, dc, rect, flags);
 400         return;
 401     }
 402
 403     RECT r;
 404     wxCopyRectToRECT(rect, r);
 405
 406     int state;
 407     if ( flags & wxCONTROL_CHECKED )
 408         state = CBS_CHECKEDNORMAL;
 409     else if ( flags & wxCONTROL_UNDETERMINED )
 410         state = CBS_MIXEDNORMAL;
 411     else
 412         state = CBS_UNCHECKEDNORMAL;
 413
 414     // CBS_XXX is followed by CBX_XXXGOT, then CBS_XXXPRESSED and DISABLED
 415     if ( flags & wxCONTROL_CURRENT )
 416         state += 1;
 417     else if ( flags & wxCONTROL_PRESSED )
 418         state += 2;
 419     else if ( flags & wxCONTROL_DISABLED )
 420         state += 3;
 421
 422     wxUxThemeEngine::Get()->DrawThemeBackground
 423                             (
 424                                 hTheme,
 425                                 GetHdcOf(dc),
 426                                 BP_CHECKBOX,
 427                                 state,
 428                                 &r,
 429                                 NULL
 430                             );
 431 }
 432
 433 void
 434 wxRendererXP::DrawPushButton(wxWindow * win,
 435                              wxDC& dc,
 436                              const wxRect& rect,
 437                              int flags)
 438 {
 439     wxUxThemeHandle hTheme(win, L"BUTTON");
 440     if ( !hTheme )
 441     {
 442         m_rendererNative.DrawPushButton(win, dc, rect, flags);
 443         return;
 444     }
 445
 446     RECT r;
 447     wxCopyRectToRECT(rect, r);
 448
 449     int state;
 450     if ( flags & wxCONTROL_PRESSED )
 451         state = PBS_PRESSED;
 452     else if ( flags & wxCONTROL_CURRENT )
 453         state = PBS_HOT;
 454     else if ( flags & wxCONTROL_DISABLED )
 455         state = PBS_DISABLED;
 456     else if ( flags & wxCONTROL_ISDEFAULT )
 457         state = PBS_DEFAULTED;
 458     else
 459         state = PBS_NORMAL;
 460
 461     wxUxThemeEngine::Get()->DrawThemeBackground
 462                             (
 463                                 hTheme,
 464                                 GetHdcOf(dc),
 465                                 BP_PUSHBUTTON,
 466                                 state,
 467                                 &r,
 468                                 NULL
 469                             );
 470
 471 }
 472
 473 // ----------------------------------------------------------------------------
 474 // splitter drawing
 475 // ----------------------------------------------------------------------------
 476
 477 // the width of the sash: this is the same as used by Explorer...
 478 static const wxCoord SASH_WIDTH = 4;
 479
 480 wxSplitterRenderParams
 481 wxRendererXP::GetSplitterParams(const wxWindow * win)
 482 {
 483     if ( win->HasFlag(wxSP_NO_XP_THEME) )
 484         return m_rendererNative.GetSplitterParams(win);
 485     else
 486         return wxSplitterRenderParams(SASH_WIDTH, 0, false);
 487 }
 488
 489 void
 490 wxRendererXP::DrawSplitterBorder(wxWindow * win,
 491                                  wxDC& dc,
 492                                  const wxRect& rect,
 493                                  int flags)
 494 {
 495     if ( win->HasFlag(wxSP_NO_XP_THEME) )
 496     {
 497         m_rendererNative.DrawSplitterBorder(win, dc, rect, flags);
 498     }
 499 }
 500
 501 void
 502 wxRendererXP::DrawSplitterSash(wxWindow *win,
 503                                wxDC& dc,
 504                                const wxSize& size,
 505                                wxCoord position,
 506                                wxOrientation orient,
 507                                int flags)
 508 {
 509     if ( !win->HasFlag(wxSP_NO_XP_THEME) )
 510     {
 511         dc.SetPen(*wxTRANSPARENT_PEN);
 512         dc.SetBrush(wxBrush(wxSystemSettings::GetColour(wxSYS_COLOUR_BTNFACE)));
 513         if ( orient == wxVERTICAL )
 514         {
 515             dc.DrawRectangle(position, 0, SASH_WIDTH, size.y);
 516         }
 517         else // wxHORIZONTAL
 518         {
 519             dc.DrawRectangle(0, position, size.x, SASH_WIDTH);
 520         }
 521
 522         return;
 523     }
 524
 525     m_rendererNative.DrawSplitterSash(win, dc, size, position, orient, flags);
 526 }
 527
 528 #endif // wxUSE_UXTHEME