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_FLAT )
 239         style |= DFCS_MONO;
 240     if ( flags & wxCONTROL_PRESSED )
 241         style |= DFCS_PUSHED;
 242     if ( flags & wxCONTROL_CURRENT )
 243         style |= DFCS_HOT;
 244
 245     ::DrawFrameControl(GetHdcOf(dc), &r, DFC_BUTTON, style);
 246 }
 247
 248 void
 249 wxRendererMSW::DrawPushButton(wxWindow * WXUNUSED(win),
 250                               wxDC& dc,
 251                               const wxRect& rectOrig,
 252                               int flags)
 253 {
 254     wxRect rect(rectOrig);
 255
 256     int style = DFCS_BUTTONPUSH;
 257     if ( flags & wxCONTROL_DISABLED )
 258         style |= DFCS_INACTIVE;
 259     if ( flags & wxCONTROL_PRESSED )
 260         style |= DFCS_PUSHED | DFCS_FLAT;
 261     if ( flags & wxCONTROL_ISDEFAULT )
 262     {
 263         // DrawFrameControl() doesn't seem to support default buttons so we
 264         // have to draw the border ourselves
 265         wxDCPenChanger pen(dc, *wxBLACK_PEN);
 266         wxDCBrushChanger brush(dc, *wxTRANSPARENT_BRUSH);
 267         dc.DrawRectangle(rect);
 268         rect.Deflate(1);
 269     }
 270
 271     RECT rc;
 272     wxCopyRectToRECT(rect, rc);
 273
 274     ::DrawFrameControl(GetHdcOf(dc), &rc, DFC_BUTTON, style);
 275 }
 276
 277 // ============================================================================
 278 // wxRendererXP implementation
 279 // ============================================================================
 280
 281 #if wxUSE_UXTHEME
 282
 283 /* static */
 284 wxRendererNative& wxRendererXP::Get()
 285 {
 286     static wxRendererXP s_rendererXP;
 287
 288     return s_rendererXP;
 289 }
 290
 291 // NOTE: There is no guarantee that the button drawn fills the entire rect (XP
 292 // default theme, for example), so the caller should have cleared button's
 293 // background before this call. This is quite likely a wxMSW-specific thing.
 294 void
 295 wxRendererXP::DrawComboBoxDropButton(wxWindow * win,
 296                                       wxDC& dc,
 297                                       const wxRect& rect,
 298                                       int flags)
 299 {
 300     wxUxThemeHandle hTheme(win, L"COMBOBOX");
 301     if ( !hTheme )
 302     {
 303         m_rendererNative.DrawComboBoxDropButton(win, dc, rect, flags);
 304         return;
 305     }
 306
 307     RECT r;
 308     wxCopyRectToRECT(rect, r);
 309
 310     int state;
 311     if ( flags & wxCONTROL_PRESSED )
 312         state = CBXS_PRESSED;
 313     else if ( flags & wxCONTROL_CURRENT )
 314         state = CBXS_HOT;
 315     else if ( flags & wxCONTROL_DISABLED )
 316         state = CBXS_DISABLED;
 317     else
 318         state = CBXS_NORMAL;
 319
 320     wxUxThemeEngine::Get()->DrawThemeBackground
 321                             (
 322                                 hTheme,
 323                                 GetHdcOf(dc),
 324                                 CP_DROPDOWNBUTTON,
 325                                 state,
 326                                 &r,
 327                                 NULL
 328                             );
 329
 330 }
 331
 332 int
 333 wxRendererXP::DrawHeaderButton(wxWindow *win,
 334                                wxDC& dc,
 335                                const wxRect& rect,
 336                                int flags,
 337                                wxHeaderSortIconType sortArrow,
 338                                wxHeaderButtonParams* params)
 339 {
 340     wxUxThemeHandle hTheme(win, L"HEADER");
 341     if ( !hTheme )
 342     {
 343         return m_rendererNative.DrawHeaderButton(win, dc, rect, flags, sortArrow, params);
 344     }
 345
 346     RECT r;
 347     wxCopyRectToRECT(rect, r);
 348
 349     int state;
 350     if ( flags & wxCONTROL_PRESSED )
 351         state = HIS_PRESSED;
 352     else if ( flags & wxCONTROL_CURRENT )
 353         state = HIS_HOT;
 354     else
 355         state = HIS_NORMAL;
 356     wxUxThemeEngine::Get()->DrawThemeBackground
 357                             (
 358                                 hTheme,
 359                                 GetHdcOf(dc),
 360                                 HP_HEADERITEM,
 361                                 state,
 362                                 &r,
 363                                 NULL
 364                             );
 365
 366     // NOTE: Using the theme to draw HP_HEADERSORTARROW doesn't do anything.
 367     // Why?  If this can be fixed then draw the sort arrows using the theme
 368     // and then clear those flags before calling DrawHeaderButtonContents.
 369
 370     // Add any extras that are specified in flags and params
 371     return DrawHeaderButtonContents(win, dc, rect, flags, sortArrow, params);
 372 }
 373
 374
 375 int
 376 wxRendererXP::GetHeaderButtonHeight(wxWindow *win)
 377 {
 378     wxUxThemeHandle hTheme(win, L"HEADER");
 379     if ( !hTheme )
 380     {
 381         return m_rendererNative.GetHeaderButtonHeight(win);
 382     }
 383
 384     HRESULT hr;
 385     int value = -1;
 386
 387     hr = wxUxThemeEngine::Get()->GetThemeMetric( hTheme,
 388                                                  NULL,
 389                                                  HP_HEADERITEM,
 390                                                  HIS_NORMAL,
 391                                                  TMT_HEIGHT,
 392                                                  &value );
 393     if ( hr == S_OK )
 394         return value;
 395     else
 396         return 20;
 397 }
 398
 399
 400 void
 401 wxRendererXP::DrawTreeItemButton(wxWindow *win,
 402                                  wxDC& dc,
 403                                  const wxRect& rect,
 404                                  int flags)
 405 {
 406     wxUxThemeHandle hTheme(win, L"TREEVIEW");
 407     if ( !hTheme )
 408     {
 409         m_rendererNative.DrawTreeItemButton(win, dc, rect, flags);
 410         return;
 411     }
 412
 413     RECT r;
 414     wxCopyRectToRECT(rect, r);
 415
 416     int state = flags & wxCONTROL_EXPANDED ? GLPS_OPENED : GLPS_CLOSED;
 417     wxUxThemeEngine::Get()->DrawThemeBackground
 418                             (
 419                                 hTheme,
 420                                 GetHdcOf(dc),
 421                                 TVP_GLYPH,
 422                                 state,
 423                                 &r,
 424                                 NULL
 425                             );
 426 }
 427
 428 void
 429 wxRendererXP::DrawCheckBox(wxWindow *win,
 430                            wxDC& dc,
 431                            const wxRect& rect,
 432                            int flags)
 433 {
 434     wxUxThemeHandle hTheme(win, L"BUTTON");
 435     if ( !hTheme )
 436     {
 437         m_rendererNative.DrawCheckBox(win, dc, rect, flags);
 438         return;
 439     }
 440
 441     RECT r;
 442     wxCopyRectToRECT(rect, r);
 443
 444     int state;
 445     if ( flags & wxCONTROL_CHECKED )
 446         state = CBS_CHECKEDNORMAL;
 447     else if ( flags & wxCONTROL_UNDETERMINED )
 448         state = CBS_MIXEDNORMAL;
 449     else
 450         state = CBS_UNCHECKEDNORMAL;
 451
 452     // CBS_XXX is followed by CBX_XXXHOT, then CBS_XXXPRESSED and DISABLED
 453     enum
 454     {
 455         CBS_HOT_OFFSET = 1,
 456         CBS_PRESSED_OFFSET = 2,
 457         CBS_DISABLED_OFFSET = 3
 458     };
 459
 460     if ( flags & wxCONTROL_DISABLED )
 461         state += CBS_DISABLED_OFFSET;
 462     else if ( flags & wxCONTROL_PRESSED )
 463         state += CBS_PRESSED_OFFSET;
 464     else if ( flags & wxCONTROL_CURRENT )
 465         state += CBS_HOT_OFFSET;
 466
 467     wxUxThemeEngine::Get()->DrawThemeBackground
 468                             (
 469                                 hTheme,
 470                                 GetHdcOf(dc),
 471                                 BP_CHECKBOX,
 472                                 state,
 473                                 &r,
 474                                 NULL
 475                             );
 476 }
 477
 478 void
 479 wxRendererXP::DrawPushButton(wxWindow * win,
 480                              wxDC& dc,
 481                              const wxRect& rect,
 482                              int flags)
 483 {
 484     wxUxThemeHandle hTheme(win, L"BUTTON");
 485     if ( !hTheme )
 486     {
 487         m_rendererNative.DrawPushButton(win, dc, rect, flags);
 488         return;
 489     }
 490
 491     RECT r;
 492     wxCopyRectToRECT(rect, r);
 493
 494     int state;
 495     if ( flags & wxCONTROL_PRESSED )
 496         state = PBS_PRESSED;
 497     else if ( flags & wxCONTROL_CURRENT )
 498         state = PBS_HOT;
 499     else if ( flags & wxCONTROL_DISABLED )
 500         state = PBS_DISABLED;
 501     else if ( flags & wxCONTROL_ISDEFAULT )
 502         state = PBS_DEFAULTED;
 503     else
 504         state = PBS_NORMAL;
 505
 506     wxUxThemeEngine::Get()->DrawThemeBackground
 507                             (
 508                                 hTheme,
 509                                 GetHdcOf(dc),
 510                                 BP_PUSHBUTTON,
 511                                 state,
 512                                 &r,
 513                                 NULL
 514                             );
 515
 516 }
 517
 518 void
 519 wxRendererXP::DrawItemSelectionRect(wxWindow * WXUNUSED(win),
 520                                     wxDC& dc,
 521                                     const wxRect& rect,
 522                                     int flags)
 523 {
 524     wxBrush brush;
 525     if ( flags & wxCONTROL_SELECTED )
 526     {
 527         if ( flags & wxCONTROL_FOCUSED )
 528         {
 529             brush = wxBrush(wxSystemSettings::GetColour(wxSYS_COLOUR_HIGHLIGHT));
 530         }
 531         else // !focused
 532         {
 533             brush = wxBrush(wxSystemSettings::GetColour(wxSYS_COLOUR_BTNSHADOW));
 534         }
 535     }
 536     else // !selected
 537     {
 538         brush = *wxTRANSPARENT_BRUSH;
 539     }
 540
 541     dc.SetBrush(brush);
 542
 543     // unlike for wxRendererGeneric, on windows we _never_ want to draw
 544     // the outline of the rectangle:
 545     dc.SetPen(*wxTRANSPARENT_PEN);
 546
 547     dc.DrawRectangle( rect );
 548 }
 549
 550
 551
 552 // ----------------------------------------------------------------------------
 553 // splitter drawing
 554 // ----------------------------------------------------------------------------
 555
 556 // the width of the sash: this is the same as used by Explorer...
 557 static const wxCoord SASH_WIDTH = 4;
 558
 559 wxSplitterRenderParams
 560 wxRendererXP::GetSplitterParams(const wxWindow * win)
 561 {
 562     if ( win->HasFlag(wxSP_NO_XP_THEME) )
 563         return m_rendererNative.GetSplitterParams(win);
 564     else
 565         return wxSplitterRenderParams(SASH_WIDTH, 0, false);
 566 }
 567
 568 void
 569 wxRendererXP::DrawSplitterBorder(wxWindow * win,
 570                                  wxDC& dc,
 571                                  const wxRect& rect,
 572                                  int flags)
 573 {
 574     if ( win->HasFlag(wxSP_NO_XP_THEME) )
 575     {
 576         m_rendererNative.DrawSplitterBorder(win, dc, rect, flags);
 577     }
 578 }
 579
 580 void
 581 wxRendererXP::DrawSplitterSash(wxWindow *win,
 582                                wxDC& dc,
 583                                const wxSize& size,
 584                                wxCoord position,
 585                                wxOrientation orient,
 586                                int flags)
 587 {
 588     if ( !win->HasFlag(wxSP_NO_XP_THEME) )
 589     {
 590         dc.SetPen(*wxTRANSPARENT_PEN);
 591         dc.SetBrush(wxBrush(wxSystemSettings::GetColour(wxSYS_COLOUR_BTNFACE)));
 592         if ( orient == wxVERTICAL )
 593         {
 594             dc.DrawRectangle(position, 0, SASH_WIDTH, size.y);
 595         }
 596         else // wxHORIZONTAL
 597         {
 598             dc.DrawRectangle(0, position, size.x, SASH_WIDTH);
 599         }
 600
 601         return;
 602     }
 603
 604     m_rendererNative.DrawSplitterSash(win, dc, size, position, orient, flags);
 605 }
 606
 607 #endif // wxUSE_UXTHEME