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