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 int 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 int
 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         return m_rendererNative.DrawHeaderButton(win, dc, rect, flags, sortArrow, params);
 305     }
 306
 307     RECT r;
 308     wxCopyRectToRECT(rect, r);
 309
 310     int state;
 311     if ( flags & wxCONTROL_PRESSED )
 312         state = HIS_PRESSED;
 313     else if ( flags & wxCONTROL_CURRENT )
 314         state = HIS_HOT;
 315     else
 316         state = HIS_NORMAL;
 317     wxUxThemeEngine::Get()->DrawThemeBackground
 318                             (
 319                                 hTheme,
 320                                 GetHdcOf(dc),
 321                                 HP_HEADERITEM,
 322                                 state,
 323                                 &r,
 324                                 NULL
 325                             );
 326
 327     // NOTE: Using the theme to draw HP_HEADERSORTARROW doesn't do anything.
 328     // Why?  If this can be fixed then draw the sort arrows using the theme
 329     // and then clear those flags before calling DrawHeaderButtonContents.
 330
 331     // Add any extras that are specified in flags and params
 332     return DrawHeaderButtonContents(win, dc, rect, flags, sortArrow, params);
 333 }
 334
 335
 336 int
 337 wxRendererXP::GetHeaderButtonHeight(wxWindow *win)
 338 {
 339     wxUxThemeHandle hTheme(win, L"HEADER");
 340     if ( !hTheme )
 341     {
 342         return m_rendererNative.GetHeaderButtonHeight(win);
 343     }
 344
 345     HRESULT hr;
 346     int value = -1;
 347
 348     hr = wxUxThemeEngine::Get()->GetThemeMetric( hTheme,
 349                                                  NULL,
 350                                                  HP_HEADERITEM,
 351                                                  HIS_NORMAL,
 352                                                  TMT_HEIGHT,
 353                                                  &value );
 354     if ( hr == S_OK )
 355         return value;
 356     else
 357         return 20;
 358 }
 359
 360
 361 void
 362 wxRendererXP::DrawTreeItemButton(wxWindow *win,
 363                                  wxDC& dc,
 364                                  const wxRect& rect,
 365                                  int flags)
 366 {
 367     wxUxThemeHandle hTheme(win, L"TREEVIEW");
 368     if ( !hTheme )
 369     {
 370         m_rendererNative.DrawTreeItemButton(win, dc, rect, flags);
 371         return;
 372     }
 373
 374     RECT r;
 375     wxCopyRectToRECT(rect, r);
 376
 377     int state = flags & wxCONTROL_EXPANDED ? GLPS_OPENED : GLPS_CLOSED;
 378     wxUxThemeEngine::Get()->DrawThemeBackground
 379                             (
 380                                 hTheme,
 381                                 GetHdcOf(dc),
 382                                 TVP_GLYPH,
 383                                 state,
 384                                 &r,
 385                                 NULL
 386                             );
 387 }
 388
 389 void
 390 wxRendererXP::DrawCheckBox(wxWindow *win,
 391                            wxDC& dc,
 392                            const wxRect& rect,
 393                            int flags)
 394 {
 395     wxUxThemeHandle hTheme(win, L"BUTTON");
 396     if ( !hTheme )
 397     {
 398         m_rendererNative.DrawCheckBox(win, dc, rect, flags);
 399         return;
 400     }
 401
 402     RECT r;
 403     wxCopyRectToRECT(rect, r);
 404
 405     int state;
 406     if ( flags & wxCONTROL_CHECKED )
 407         state = CBS_CHECKEDNORMAL;
 408     else if ( flags & wxCONTROL_UNDETERMINED )
 409         state = CBS_MIXEDNORMAL;
 410     else
 411         state = CBS_UNCHECKEDNORMAL;
 412
 413     // CBS_XXX is followed by CBX_XXXGOT, then CBS_XXXPRESSED and DISABLED
 414     if ( flags & wxCONTROL_CURRENT )
 415         state += 1;
 416     else if ( flags & wxCONTROL_PRESSED )
 417         state += 2;
 418     else if ( flags & wxCONTROL_DISABLED )
 419         state += 3;
 420
 421     wxUxThemeEngine::Get()->DrawThemeBackground
 422                             (
 423                                 hTheme,
 424                                 GetHdcOf(dc),
 425                                 BP_CHECKBOX,
 426                                 state,
 427                                 &r,
 428                                 NULL
 429                             );
 430 }
 431
 432 void
 433 wxRendererXP::DrawPushButton(wxWindow * win,
 434                              wxDC& dc,
 435                              const wxRect& rect,
 436                              int flags)
 437 {
 438     wxUxThemeHandle hTheme(win, L"BUTTON");
 439     if ( !hTheme )
 440     {
 441         m_rendererNative.DrawPushButton(win, dc, rect, flags);
 442         return;
 443     }
 444
 445     RECT r;
 446     wxCopyRectToRECT(rect, r);
 447
 448     int state;
 449     if ( flags & wxCONTROL_PRESSED )
 450         state = PBS_PRESSED;
 451     else if ( flags & wxCONTROL_CURRENT )
 452         state = PBS_HOT;
 453     else if ( flags & wxCONTROL_DISABLED )
 454         state = PBS_DISABLED;
 455     else if ( flags & wxCONTROL_ISDEFAULT )
 456         state = PBS_DEFAULTED;
 457     else
 458         state = PBS_NORMAL;
 459
 460     wxUxThemeEngine::Get()->DrawThemeBackground
 461                             (
 462                                 hTheme,
 463                                 GetHdcOf(dc),
 464                                 BP_PUSHBUTTON,
 465                                 state,
 466                                 &r,
 467                                 NULL
 468                             );
 469
 470 }
 471
 472 // ----------------------------------------------------------------------------
 473 // splitter drawing
 474 // ----------------------------------------------------------------------------
 475
 476 // the width of the sash: this is the same as used by Explorer...
 477 static const wxCoord SASH_WIDTH = 4;
 478
 479 wxSplitterRenderParams
 480 wxRendererXP::GetSplitterParams(const wxWindow * win)
 481 {
 482     if ( win->HasFlag(wxSP_NO_XP_THEME) )
 483         return m_rendererNative.GetSplitterParams(win);
 484     else
 485         return wxSplitterRenderParams(SASH_WIDTH, 0, false);
 486 }
 487
 488 void
 489 wxRendererXP::DrawSplitterBorder(wxWindow * win,
 490                                  wxDC& dc,
 491                                  const wxRect& rect,
 492                                  int flags)
 493 {
 494     if ( win->HasFlag(wxSP_NO_XP_THEME) )
 495     {
 496         m_rendererNative.DrawSplitterBorder(win, dc, rect, flags);
 497     }
 498 }
 499
 500 void
 501 wxRendererXP::DrawSplitterSash(wxWindow *win,
 502                                wxDC& dc,
 503                                const wxSize& size,
 504                                wxCoord position,
 505                                wxOrientation orient,
 506                                int flags)
 507 {
 508     if ( !win->HasFlag(wxSP_NO_XP_THEME) )
 509     {
 510         dc.SetPen(*wxTRANSPARENT_PEN);
 511         dc.SetBrush(wxBrush(wxSystemSettings::GetColour(wxSYS_COLOUR_BTNFACE)));
 512         if ( orient == wxVERTICAL )
 513         {
 514             dc.DrawRectangle(position, 0, SASH_WIDTH, size.y);
 515         }
 516         else // wxHORIZONTAL
 517         {
 518             dc.DrawRectangle(0, position, size.x, SASH_WIDTH);
 519         }
 520
 521         return;
 522     }
 523
 524     m_rendererNative.DrawSplitterSash(win, dc, size, position, orient, flags);
 525 }
 526
 527 #endif // wxUSE_UXTHEME