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                                   wxHeaderButtonParams* params = NULL);
 126     virtual int GetHeaderButtonHeight(wxWindow *win);
 127
 128     virtual void DrawTreeItemButton(wxWindow *win,
 129                                     wxDC& dc,
 130                                     const wxRect& rect,
 131                                     int flags = 0);
 132     virtual void DrawSplitterBorder(wxWindow *win,
 133                                     wxDC& dc,
 134                                     const wxRect& rect,
 135                                     int flags = 0);
 136     virtual void DrawSplitterSash(wxWindow *win,
 137                                   wxDC& dc,
 138                                   const wxSize& size,
 139                                   wxCoord position,
 140                                   wxOrientation orient,
 141                                   int flags = 0);
 142     virtual void DrawComboBoxDropButton(wxWindow *win,
 143                                         wxDC& dc,
 144                                         const wxRect& rect,
 145                                         int flags = 0);
 146     virtual void DrawCheckBox(wxWindow *win,
 147                               wxDC& dc,
 148                               const wxRect& rect,
 149                               int flags = 0);
 150
 151     virtual void DrawPushButton(wxWindow *win,
 152                                 wxDC& dc,
 153                                 const wxRect& rect,
 154                                 int flags = 0);
 155
 156     virtual wxSplitterRenderParams GetSplitterParams(const wxWindow *win);
 157 private:
 158     DECLARE_NO_COPY_CLASS(wxRendererXP)
 159 };
 160
 161 #endif // wxUSE_UXTHEME
 162
 163 // ============================================================================
 164 // wxRendererNative and wxRendererMSW implementation
 165 // ============================================================================
 166
 167 /* static */
 168 wxRendererNative& wxRendererNative::GetDefault()
 169 {
 170 #if wxUSE_UXTHEME
 171     wxUxThemeEngine *themeEngine = wxUxThemeEngine::Get();
 172     if ( themeEngine && themeEngine->IsAppThemed() )
 173         return wxRendererXP::Get();
 174 #endif // wxUSE_UXTHEME
 175
 176     return wxRendererMSW::Get();
 177 }
 178
 179 /* static */
 180 wxRendererNative& wxRendererMSW::Get()
 181 {
 182     static wxRendererMSW s_rendererMSW;
 183
 184     return s_rendererMSW;
 185 }
 186
 187 void
 188 wxRendererMSW::DrawComboBoxDropButton(wxWindow * WXUNUSED(win),
 189                                       wxDC& dc,
 190                                       const wxRect& rect,
 191                                       int flags)
 192 {
 193     RECT r;
 194     r.left = rect.GetLeft();
 195     r.top = rect.GetTop();
 196     r.bottom = rect.y + rect.height;
 197     r.right = rect.x + rect.width;
 198
 199     int style = DFCS_SCROLLCOMBOBOX;
 200     if ( flags & wxCONTROL_DISABLED )
 201         style |= DFCS_INACTIVE;
 202     if ( flags & wxCONTROL_PRESSED )
 203         style |= DFCS_PUSHED | DFCS_FLAT;
 204
 205     ::DrawFrameControl(GetHdcOf(dc), &r, DFC_SCROLL, style);
 206 }
 207
 208 void
 209 wxRendererMSW::DrawPushButton(wxWindow * WXUNUSED(win),
 210                               wxDC& dc,
 211                               const wxRect& rect,
 212                               int flags)
 213 {
 214     RECT r;
 215     r.left = rect.GetLeft();
 216     r.top = rect.GetTop();
 217     r.bottom = rect.y + rect.height;
 218     r.right = rect.x + rect.width;
 219
 220     int style = DFCS_BUTTONPUSH;
 221     if ( flags & wxCONTROL_DISABLED )
 222         style |= DFCS_INACTIVE;
 223     if ( flags & wxCONTROL_PRESSED )
 224         style |= DFCS_PUSHED | DFCS_FLAT;
 225
 226     ::DrawFrameControl(GetHdcOf(dc), &r, DFC_BUTTON, style);
 227 }
 228
 229 // ============================================================================
 230 // wxRendererXP implementation
 231 // ============================================================================
 232
 233 #if wxUSE_UXTHEME
 234
 235 /* static */
 236 wxRendererNative& wxRendererXP::Get()
 237 {
 238     static wxRendererXP s_rendererXP;
 239
 240     return s_rendererXP;
 241 }
 242
 243 // NOTE: There is no guarantee that the button drawn fills the entire rect (XP
 244 // default theme, for example), so the caller should have cleared button's
 245 // background before this call. This is quite likely a wxMSW-specific thing.
 246 void
 247 wxRendererXP::DrawComboBoxDropButton(wxWindow * win,
 248                                       wxDC& dc,
 249                                       const wxRect& rect,
 250                                       int flags)
 251 {
 252     wxUxThemeHandle hTheme(win, L"COMBOBOX");
 253     if ( !hTheme )
 254     {
 255         m_rendererNative.DrawComboBoxDropButton(win, dc, rect, flags);
 256         return;
 257     }
 258
 259     RECT r;
 260     wxCopyRectToRECT(rect, r);
 261
 262     int state;
 263     if ( flags & wxCONTROL_PRESSED )
 264         state = CBXS_PRESSED;
 265     else if ( flags & wxCONTROL_CURRENT )
 266         state = CBXS_HOT;
 267     else if ( flags & wxCONTROL_DISABLED )
 268         state = CBXS_DISABLED;
 269     else
 270         state = CBXS_NORMAL;
 271
 272     wxUxThemeEngine::Get()->DrawThemeBackground
 273                             (
 274                                 hTheme,
 275                                 GetHdcOf(dc),
 276                                 CP_DROPDOWNBUTTON,
 277                                 state,
 278                                 &r,
 279                                 NULL
 280                             );
 281
 282 }
 283
 284 void
 285 wxRendererXP::DrawHeaderButton(wxWindow *win,
 286                                wxDC& dc,
 287                                const wxRect& rect,
 288                                int flags,
 289                                wxHeaderButtonParams* params)
 290 {
 291     wxUxThemeHandle hTheme(win, L"HEADER");
 292     if ( !hTheme )
 293     {
 294         m_rendererNative.DrawHeaderButton(win, dc, rect, flags, params);
 295         return;
 296     }
 297
 298     RECT r;
 299     wxCopyRectToRECT(rect, r);
 300
 301     int state;
 302     if ( flags & wxCONTROL_PRESSED )
 303         state = HIS_PRESSED;
 304     else if ( flags & wxCONTROL_CURRENT )
 305         state = HIS_HOT;
 306     else
 307         state = HIS_NORMAL;
 308     wxUxThemeEngine::Get()->DrawThemeBackground
 309                             (
 310                                 hTheme,
 311                                 GetHdcOf(dc),
 312                                 HP_HEADERITEM,
 313                                 state,
 314                                 &r,
 315                                 NULL
 316                             );
 317
 318     // NOTE: Using the theme to draw HP_HEADERSORTARROW doesn't do anything.
 319     // Why?  If this can be fixed then draw the sort arrows using the theme
 320     // and then clear those flags before calling DrawHeaderButtonContents.
 321
 322     // Add any extras that are specified in flags and params
 323     DrawHeaderButtonContents(win, dc, rect, flags, params);
 324 }
 325
 326
 327 int
 328 wxRendererXP::GetHeaderButtonHeight(wxWindow *win)
 329 {
 330     wxUxThemeHandle hTheme(win, L"HEADER");
 331     if ( !hTheme )
 332     {
 333         return m_rendererNative.GetHeaderButtonHeight(win);
 334     }
 335
 336     HRESULT hr;
 337     int value = -1;
 338
 339     hr = wxUxThemeEngine::Get()->GetThemeMetric( hTheme,
 340                                                  NULL,
 341                                                  HP_HEADERITEM,
 342                                                  HIS_NORMAL,
 343                                                  TMT_HEIGHT,
 344                                                  &value );
 345     if ( hr == S_OK )
 346         return value;
 347     else
 348         return 20;
 349 }
 350
 351
 352 void
 353 wxRendererXP::DrawTreeItemButton(wxWindow *win,
 354                                  wxDC& dc,
 355                                  const wxRect& rect,
 356                                  int flags)
 357 {
 358     wxUxThemeHandle hTheme(win, L"TREEVIEW");
 359     if ( !hTheme )
 360     {
 361         m_rendererNative.DrawTreeItemButton(win, dc, rect, flags);
 362         return;
 363     }
 364
 365     RECT r;
 366     wxCopyRectToRECT(rect, r);
 367
 368     int state = flags & wxCONTROL_EXPANDED ? GLPS_OPENED : GLPS_CLOSED;
 369     wxUxThemeEngine::Get()->DrawThemeBackground
 370                             (
 371                                 hTheme,
 372                                 GetHdcOf(dc),
 373                                 TVP_GLYPH,
 374                                 state,
 375                                 &r,
 376                                 NULL
 377                             );
 378 }
 379
 380 void
 381 wxRendererXP::DrawCheckBox(wxWindow *win,
 382                            wxDC& dc,
 383                            const wxRect& rect,
 384                            int flags)
 385 {
 386     wxUxThemeHandle hTheme(win, L"BUTTON");
 387     if ( !hTheme )
 388     {
 389         m_rendererNative.DrawCheckBox(win, dc, rect, flags);
 390         return;
 391     }
 392
 393     RECT r;
 394     wxCopyRectToRECT(rect, r);
 395
 396     int state;
 397     if ( flags & wxCONTROL_CHECKED )
 398         state = CBS_CHECKEDNORMAL;
 399     else if ( flags & wxCONTROL_UNDETERMINED )
 400         state = CBS_MIXEDNORMAL;
 401     else
 402         state = CBS_UNCHECKEDNORMAL;
 403
 404     // CBS_XXX is followed by CBX_XXXGOT, then CBS_XXXPRESSED and DISABLED
 405     if ( flags & wxCONTROL_CURRENT )
 406         state += 1;
 407     else if ( flags & wxCONTROL_PRESSED )
 408         state += 2;
 409     else if ( flags & wxCONTROL_DISABLED )
 410         state += 3;
 411
 412     wxUxThemeEngine::Get()->DrawThemeBackground
 413                             (
 414                                 hTheme,
 415                                 GetHdcOf(dc),
 416                                 BP_CHECKBOX,
 417                                 state,
 418                                 &r,
 419                                 NULL
 420                             );
 421 }
 422
 423 void
 424 wxRendererXP::DrawPushButton(wxWindow * win,
 425                              wxDC& dc,
 426                              const wxRect& rect,
 427                              int flags)
 428 {
 429     wxUxThemeHandle hTheme(win, L"BUTTON");
 430     if ( !hTheme )
 431     {
 432         m_rendererNative.DrawPushButton(win, dc, rect, flags);
 433         return;
 434     }
 435
 436     RECT r;
 437     wxCopyRectToRECT(rect, r);
 438
 439     int state;
 440     if ( flags & wxCONTROL_PRESSED )
 441         state = PBS_PRESSED;
 442     else if ( flags & wxCONTROL_CURRENT )
 443         state = PBS_HOT;
 444     else if ( flags & wxCONTROL_DISABLED )
 445         state = PBS_DISABLED;
 446     else if ( flags & wxCONTROL_ISDEFAULT )
 447         state = PBS_DEFAULTED;
 448     else
 449         state = PBS_NORMAL;
 450
 451     wxUxThemeEngine::Get()->DrawThemeBackground
 452                             (
 453                                 hTheme,
 454                                 GetHdcOf(dc),
 455                                 BP_PUSHBUTTON,
 456                                 state,
 457                                 &r,
 458                                 NULL
 459                             );
 460
 461 }
 462
 463 // ----------------------------------------------------------------------------
 464 // splitter drawing
 465 // ----------------------------------------------------------------------------
 466
 467 // the width of the sash: this is the same as used by Explorer...
 468 static const wxCoord SASH_WIDTH = 4;
 469
 470 wxSplitterRenderParams
 471 wxRendererXP::GetSplitterParams(const wxWindow * win)
 472 {
 473     if ( win->HasFlag(wxSP_NO_XP_THEME) )
 474         return m_rendererNative.GetSplitterParams(win);
 475     else
 476         return wxSplitterRenderParams(SASH_WIDTH, 0, false);
 477 }
 478
 479 void
 480 wxRendererXP::DrawSplitterBorder(wxWindow * win,
 481                                  wxDC& dc,
 482                                  const wxRect& rect,
 483                                  int flags)
 484 {
 485     if ( win->HasFlag(wxSP_NO_XP_THEME) )
 486     {
 487         m_rendererNative.DrawSplitterBorder(win, dc, rect, flags);
 488     }
 489 }
 490
 491 void
 492 wxRendererXP::DrawSplitterSash(wxWindow *win,
 493                                wxDC& dc,
 494                                const wxSize& size,
 495                                wxCoord position,
 496                                wxOrientation orient,
 497                                int flags)
 498 {
 499     if ( !win->HasFlag(wxSP_NO_XP_THEME) )
 500     {
 501         dc.SetPen(*wxTRANSPARENT_PEN);
 502         dc.SetBrush(wxBrush(wxSystemSettings::GetColour(wxSYS_COLOUR_BTNFACE)));
 503         if ( orient == wxVERTICAL )
 504         {
 505             dc.DrawRectangle(position, 0, SASH_WIDTH, size.y);
 506         }
 507         else // wxHORIZONTAL
 508         {
 509             dc.DrawRectangle(0, position, size.x, SASH_WIDTH);
 510         }
 511
 512         return;
 513     }
 514
 515     m_rendererNative.DrawSplitterSash(win, dc, size, position, orient, flags);
 516 }
 517
 518 #endif // wxUSE_UXTHEME