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