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 void DrawItemSelectionRect(wxWindow *win,
 158                                        wxDC& dc,
 159                                        const wxRect& rect,
 160                                        int flags = 0 );
 161
 162
 163     virtual wxSplitterRenderParams GetSplitterParams(const wxWindow *win);
 164 private:
 165     DECLARE_NO_COPY_CLASS(wxRendererXP)
 166 };
 167
 168 #endif // wxUSE_UXTHEME
 169
 170 // ============================================================================
 171 // wxRendererNative and wxRendererMSW implementation
 172 // ============================================================================
 173
 174 /* static */
 175 wxRendererNative& wxRendererNative::GetDefault()
 176 {
 177 #if wxUSE_UXTHEME
 178     wxUxThemeEngine *themeEngine = wxUxThemeEngine::Get();
 179     if ( themeEngine && themeEngine->IsAppThemed() )
 180         return wxRendererXP::Get();
 181 #endif // wxUSE_UXTHEME
 182
 183     return wxRendererMSW::Get();
 184 }
 185
 186 /* static */
 187 wxRendererNative& wxRendererMSW::Get()
 188 {
 189     static wxRendererMSW s_rendererMSW;
 190
 191     return s_rendererMSW;
 192 }
 193
 194 void
 195 wxRendererMSW::DrawComboBoxDropButton(wxWindow * WXUNUSED(win),
 196                                       wxDC& dc,
 197                                       const wxRect& rect,
 198                                       int flags)
 199 {
 200     RECT r;
 201     r.left = rect.GetLeft();
 202     r.top = rect.GetTop();
 203     r.bottom = rect.y + rect.height;
 204     r.right = rect.x + rect.width;
 205
 206     int style = DFCS_SCROLLCOMBOBOX;
 207     if ( flags & wxCONTROL_DISABLED )
 208         style |= DFCS_INACTIVE;
 209     if ( flags & wxCONTROL_PRESSED )
 210         style |= DFCS_PUSHED | DFCS_FLAT;
 211
 212     ::DrawFrameControl(GetHdcOf(dc), &r, DFC_SCROLL, style);
 213 }
 214
 215 void
 216 wxRendererMSW::DrawPushButton(wxWindow * WXUNUSED(win),
 217                               wxDC& dc,
 218                               const wxRect& rectOrig,
 219                               int flags)
 220 {
 221     wxRect rect(rectOrig);
 222
 223     int style = DFCS_BUTTONPUSH;
 224     if ( flags & wxCONTROL_DISABLED )
 225         style |= DFCS_INACTIVE;
 226     if ( flags & wxCONTROL_PRESSED )
 227         style |= DFCS_PUSHED | DFCS_FLAT;
 228     if ( flags & wxCONTROL_ISDEFAULT )
 229     {
 230         // DrawFrameControl() doesn't seem to support default buttons so we
 231         // have to draw the border ourselves
 232         wxDCPenChanger pen(dc, *wxBLACK_PEN);
 233         wxDCBrushChanger brush(dc, *wxTRANSPARENT_BRUSH);
 234         dc.DrawRectangle(rect);
 235         rect.Deflate(1);
 236     }
 237
 238     RECT rc;
 239     wxCopyRectToRECT(rect, rc);
 240
 241     ::DrawFrameControl(GetHdcOf(dc), &rc, DFC_BUTTON, style);
 242 }
 243
 244 // ============================================================================
 245 // wxRendererXP implementation
 246 // ============================================================================
 247
 248 #if wxUSE_UXTHEME
 249
 250 /* static */
 251 wxRendererNative& wxRendererXP::Get()
 252 {
 253     static wxRendererXP s_rendererXP;
 254
 255     return s_rendererXP;
 256 }
 257
 258 // NOTE: There is no guarantee that the button drawn fills the entire rect (XP
 259 // default theme, for example), so the caller should have cleared button's
 260 // background before this call. This is quite likely a wxMSW-specific thing.
 261 void
 262 wxRendererXP::DrawComboBoxDropButton(wxWindow * win,
 263                                       wxDC& dc,
 264                                       const wxRect& rect,
 265                                       int flags)
 266 {
 267     wxUxThemeHandle hTheme(win, L"COMBOBOX");
 268     if ( !hTheme )
 269     {
 270         m_rendererNative.DrawComboBoxDropButton(win, dc, rect, flags);
 271         return;
 272     }
 273
 274     RECT r;
 275     wxCopyRectToRECT(rect, r);
 276
 277     int state;
 278     if ( flags & wxCONTROL_PRESSED )
 279         state = CBXS_PRESSED;
 280     else if ( flags & wxCONTROL_CURRENT )
 281         state = CBXS_HOT;
 282     else if ( flags & wxCONTROL_DISABLED )
 283         state = CBXS_DISABLED;
 284     else
 285         state = CBXS_NORMAL;
 286
 287     wxUxThemeEngine::Get()->DrawThemeBackground
 288                             (
 289                                 hTheme,
 290                                 GetHdcOf(dc),
 291                                 CP_DROPDOWNBUTTON,
 292                                 state,
 293                                 &r,
 294                                 NULL
 295                             );
 296
 297 }
 298
 299 int
 300 wxRendererXP::DrawHeaderButton(wxWindow *win,
 301                                wxDC& dc,
 302                                const wxRect& rect,
 303                                int flags,
 304                                wxHeaderSortIconType sortArrow,
 305                                wxHeaderButtonParams* params)
 306 {
 307     wxUxThemeHandle hTheme(win, L"HEADER");
 308     if ( !hTheme )
 309     {
 310         return m_rendererNative.DrawHeaderButton(win, dc, rect, flags, sortArrow, params);
 311     }
 312
 313     RECT r;
 314     wxCopyRectToRECT(rect, r);
 315
 316     int state;
 317     if ( flags & wxCONTROL_PRESSED )
 318         state = HIS_PRESSED;
 319     else if ( flags & wxCONTROL_CURRENT )
 320         state = HIS_HOT;
 321     else
 322         state = HIS_NORMAL;
 323     wxUxThemeEngine::Get()->DrawThemeBackground
 324                             (
 325                                 hTheme,
 326                                 GetHdcOf(dc),
 327                                 HP_HEADERITEM,
 328                                 state,
 329                                 &r,
 330                                 NULL
 331                             );
 332
 333     // NOTE: Using the theme to draw HP_HEADERSORTARROW doesn't do anything.
 334     // Why?  If this can be fixed then draw the sort arrows using the theme
 335     // and then clear those flags before calling DrawHeaderButtonContents.
 336
 337     // Add any extras that are specified in flags and params
 338     return DrawHeaderButtonContents(win, dc, rect, flags, sortArrow, params);
 339 }
 340
 341
 342 int
 343 wxRendererXP::GetHeaderButtonHeight(wxWindow *win)
 344 {
 345     wxUxThemeHandle hTheme(win, L"HEADER");
 346     if ( !hTheme )
 347     {
 348         return m_rendererNative.GetHeaderButtonHeight(win);
 349     }
 350
 351     HRESULT hr;
 352     int value = -1;
 353
 354     hr = wxUxThemeEngine::Get()->GetThemeMetric( hTheme,
 355                                                  NULL,
 356                                                  HP_HEADERITEM,
 357                                                  HIS_NORMAL,
 358                                                  TMT_HEIGHT,
 359                                                  &value );
 360     if ( hr == S_OK )
 361         return value;
 362     else
 363         return 20;
 364 }
 365
 366
 367 void
 368 wxRendererXP::DrawTreeItemButton(wxWindow *win,
 369                                  wxDC& dc,
 370                                  const wxRect& rect,
 371                                  int flags)
 372 {
 373     wxUxThemeHandle hTheme(win, L"TREEVIEW");
 374     if ( !hTheme )
 375     {
 376         m_rendererNative.DrawTreeItemButton(win, dc, rect, flags);
 377         return;
 378     }
 379
 380     RECT r;
 381     wxCopyRectToRECT(rect, r);
 382
 383     int state = flags & wxCONTROL_EXPANDED ? GLPS_OPENED : GLPS_CLOSED;
 384     wxUxThemeEngine::Get()->DrawThemeBackground
 385                             (
 386                                 hTheme,
 387                                 GetHdcOf(dc),
 388                                 TVP_GLYPH,
 389                                 state,
 390                                 &r,
 391                                 NULL
 392                             );
 393 }
 394
 395 void
 396 wxRendererXP::DrawCheckBox(wxWindow *win,
 397                            wxDC& dc,
 398                            const wxRect& rect,
 399                            int flags)
 400 {
 401     wxUxThemeHandle hTheme(win, L"BUTTON");
 402     if ( !hTheme )
 403     {
 404         m_rendererNative.DrawCheckBox(win, dc, rect, flags);
 405         return;
 406     }
 407
 408     RECT r;
 409     wxCopyRectToRECT(rect, r);
 410
 411     int state;
 412     if ( flags & wxCONTROL_CHECKED )
 413         state = CBS_CHECKEDNORMAL;
 414     else if ( flags & wxCONTROL_UNDETERMINED )
 415         state = CBS_MIXEDNORMAL;
 416     else
 417         state = CBS_UNCHECKEDNORMAL;
 418
 419     // CBS_XXX is followed by CBX_XXXGOT, then CBS_XXXPRESSED and DISABLED
 420     if ( flags & wxCONTROL_CURRENT )
 421         state += 1;
 422     else if ( flags & wxCONTROL_PRESSED )
 423         state += 2;
 424     else if ( flags & wxCONTROL_DISABLED )
 425         state += 3;
 426
 427     wxUxThemeEngine::Get()->DrawThemeBackground
 428                             (
 429                                 hTheme,
 430                                 GetHdcOf(dc),
 431                                 BP_CHECKBOX,
 432                                 state,
 433                                 &r,
 434                                 NULL
 435                             );
 436 }
 437
 438 void
 439 wxRendererXP::DrawPushButton(wxWindow * win,
 440                              wxDC& dc,
 441                              const wxRect& rect,
 442                              int flags)
 443 {
 444     wxUxThemeHandle hTheme(win, L"BUTTON");
 445     if ( !hTheme )
 446     {
 447         m_rendererNative.DrawPushButton(win, dc, rect, flags);
 448         return;
 449     }
 450
 451     RECT r;
 452     wxCopyRectToRECT(rect, r);
 453
 454     int state;
 455     if ( flags & wxCONTROL_PRESSED )
 456         state = PBS_PRESSED;
 457     else if ( flags & wxCONTROL_CURRENT )
 458         state = PBS_HOT;
 459     else if ( flags & wxCONTROL_DISABLED )
 460         state = PBS_DISABLED;
 461     else if ( flags & wxCONTROL_ISDEFAULT )
 462         state = PBS_DEFAULTED;
 463     else
 464         state = PBS_NORMAL;
 465
 466     wxUxThemeEngine::Get()->DrawThemeBackground
 467                             (
 468                                 hTheme,
 469                                 GetHdcOf(dc),
 470                                 BP_PUSHBUTTON,
 471                                 state,
 472                                 &r,
 473                                 NULL
 474                             );
 475
 476 }
 477
 478 void
 479 wxRendererXP::DrawItemSelectionRect(wxWindow * WXUNUSED(win),
 480                                     wxDC& dc,
 481                                     const wxRect& rect,
 482                                     int flags)
 483 {
 484     wxBrush brush;
 485     if ( flags & wxCONTROL_SELECTED )
 486     {
 487         if ( flags & wxCONTROL_FOCUSED )
 488         {
 489             brush = wxBrush(wxSystemSettings::GetColour(wxSYS_COLOUR_HIGHLIGHT));
 490         }
 491         else // !focused
 492         {
 493             brush = wxBrush(wxSystemSettings::GetColour(wxSYS_COLOUR_BTNSHADOW));
 494         }
 495     }
 496     else // !selected
 497     {
 498         brush = *wxTRANSPARENT_BRUSH;
 499     }
 500
 501     dc.SetBrush(brush);
 502
 503     // unlike for wxRendererGeneric, on windows we _never_ want to draw
 504     // the outline of the rectangle:
 505     dc.SetPen(*wxTRANSPARENT_PEN);
 506
 507     dc.DrawRectangle( rect );
 508 }
 509
 510
 511
 512 // ----------------------------------------------------------------------------
 513 // splitter drawing
 514 // ----------------------------------------------------------------------------
 515
 516 // the width of the sash: this is the same as used by Explorer...
 517 static const wxCoord SASH_WIDTH = 4;
 518
 519 wxSplitterRenderParams
 520 wxRendererXP::GetSplitterParams(const wxWindow * win)
 521 {
 522     if ( win->HasFlag(wxSP_NO_XP_THEME) )
 523         return m_rendererNative.GetSplitterParams(win);
 524     else
 525         return wxSplitterRenderParams(SASH_WIDTH, 0, false);
 526 }
 527
 528 void
 529 wxRendererXP::DrawSplitterBorder(wxWindow * win,
 530                                  wxDC& dc,
 531                                  const wxRect& rect,
 532                                  int flags)
 533 {
 534     if ( win->HasFlag(wxSP_NO_XP_THEME) )
 535     {
 536         m_rendererNative.DrawSplitterBorder(win, dc, rect, flags);
 537     }
 538 }
 539
 540 void
 541 wxRendererXP::DrawSplitterSash(wxWindow *win,
 542                                wxDC& dc,
 543                                const wxSize& size,
 544                                wxCoord position,
 545                                wxOrientation orient,
 546                                int flags)
 547 {
 548     if ( !win->HasFlag(wxSP_NO_XP_THEME) )
 549     {
 550         dc.SetPen(*wxTRANSPARENT_PEN);
 551         dc.SetBrush(wxBrush(wxSystemSettings::GetColour(wxSYS_COLOUR_BTNFACE)));
 552         if ( orient == wxVERTICAL )
 553         {
 554             dc.DrawRectangle(position, 0, SASH_WIDTH, size.y);
 555         }
 556         else // wxHORIZONTAL
 557         {
 558             dc.DrawRectangle(0, position, size.x, SASH_WIDTH);
 559         }
 560
 561         return;
 562     }
 563
 564     m_rendererNative.DrawSplitterSash(win, dc, size, position, orient, flags);
 565 }
 566
 567 #endif // wxUSE_UXTHEME