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