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