sdk/lib/3rdparty/cardlib/cardbutton.cpp

   1 //
   2 //    CardLib - CardButton class
   3 //
   4 //    Freeware
   5 //    Copyright J Brown 2001
   6 //
   7
   8 #include "cardlib.h"
   9
  10 HPALETTE UseNicePalette(HDC, HPALETTE);
  11 void     RestorePalette(HDC, HPALETTE);
  12
  13 void PaintRect(HDC hdc, RECT *rect, COLORREF colour);
  14
  15 CardButton::CardButton(CardWindow &parent, int Id, TCHAR *szText, UINT Style, bool visible,
  16                         int x, int y, int width, int height)
  17
  18  : parentWnd(parent), id(Id), uStyle(Style), fVisible(visible), ButtonCallback(0)
  19 {
  20     crText = RGB(255,255,255);
  21     crBack = RGB(0, 128, 0);
  22
  23     xadjust = 0;
  24     yadjust = 0;
  25     xjustify = 0;
  26     yjustify = 0;
  27
  28     fMouseDown = false;
  29     fButtonDown = false;
  30
  31     hIcon = 0;
  32
  33     SetText(szText);
  34     Move(x, y, width, height);
  35
  36     mxlock = CreateMutex(0, FALSE, 0);
  37
  38     hFont = 0;
  39 }
  40
  41 CardButton::~CardButton()
  42 {
  43     CloseHandle(mxlock);
  44 }
  45
  46 void CardButton::DrawRect(HDC hdc, RECT *rect, bool fNormal)
  47 {
  48     RECT fill;
  49
  50     HANDLE hOld;
  51
  52     HPEN hhi = CreatePen(0, 0, MAKE_PALETTERGB(crHighlight));
  53     HPEN hsh = CreatePen(0, 0, MAKE_PALETTERGB(crShadow));
  54     HPEN hbl = (HPEN)GetStockObject(BLACK_PEN);
  55
  56     int x        = rect->left;
  57     int y        = rect->top;
  58     int width    = rect->right-rect->left - 1;
  59     int height    = rect->bottom-rect->top - 1;
  60
  61     SetRect(&fill, x+1, y+1, x+width-1, y+height-1);
  62
  63     int one = 1;
  64
  65     if(!fNormal)
  66     {
  67         x += width;
  68         y += height;
  69         width = -width;
  70         height = -height;
  71         one = -1;
  72         OffsetRect(&fill, 1, 1);
  73     }
  74
  75     if(fNormal)
  76         hOld = SelectObject(hdc, hhi);
  77     else
  78         hOld = SelectObject(hdc, hsh);
  79
  80     MoveToEx(hdc, x, y+height, 0);
  81     LineTo(hdc, x, y);
  82     LineTo(hdc, x+width, y);
  83     SelectObject(hdc, hOld);
  84
  85     hOld = SelectObject(hdc, hbl);
  86     LineTo(hdc, x+width, y+height);
  87     LineTo(hdc, x-one, y+height);
  88     SelectObject(hdc, hOld);
  89
  90     hOld = SelectObject(hdc, hsh);
  91     MoveToEx(hdc, x+one, y+height-one, 0);
  92     LineTo(hdc, x+width-one, y+height-one);
  93     LineTo(hdc, x+width-one, y);
  94     SelectObject(hdc, hOld);
  95
  96     PaintRect(hdc, &fill, MAKE_PALETTERGB(crBack));
  97
  98     DeleteObject(hhi);
  99     DeleteObject(hsh);
 100 }
 101
 102 void CardButton::Clip(HDC hdc)
 103 {
 104     if(fVisible == false) return;
 105
 106     ExcludeClipRect(hdc, rect.left,  rect.top, rect.right, rect.bottom);
 107 }
 108
 109 void CardButton::Draw(HDC hdc, bool fNormal)
 110 {
 111     SIZE textsize;
 112     int x, y;        //text x, y
 113     int ix, iy;        //icon x, y
 114     int iconwidth = 0;
 115
 116     RECT cliprect;
 117
 118     if(fVisible == 0) return;
 119
 120     if(hFont == 0)
 121         SelectObject(hdc, GetStockObject(DEFAULT_GUI_FONT));
 122     else
 123         SelectObject(hdc, hFont);
 124
 125     GetTextExtentPoint32(hdc, szText, lstrlen(szText), &textsize);
 126
 127     if(hIcon)
 128     {
 129         x = rect.left + 32 + 8;
 130     }
 131     else
 132     {
 133         if(uStyle & CB_ALIGN_LEFT)
 134         {
 135             x = rect.left + iconwidth;
 136         }
 137         else if(uStyle & CB_ALIGN_RIGHT)
 138         {
 139             x = rect.left + (rect.right-rect.left-iconwidth-textsize.cx);
 140         }
 141         else    //centered
 142         {
 143             x = rect.right - rect.left - iconwidth;
 144             x = (x - textsize.cx) / 2;
 145             x += rect.left + iconwidth;
 146         }
 147     }
 148
 149     y = rect.bottom - rect.top;
 150     y = (y - textsize.cy) / 2;
 151     y += rect.top;
 152
 153     //calc icon position..
 154     ix = rect.left + 4;
 155     iy = rect.top + (rect.bottom-rect.top-32) / 2;
 156
 157     //if button is pressed, then shift text
 158     if(fNormal == false && (uStyle & CB_PUSHBUTTON))
 159     {
 160         x += 1;
 161         y += 1;
 162         ix += 1;
 163         iy += 1;
 164     }
 165
 166     SetRect(&cliprect, x, y, x+textsize.cx, y+textsize.cy);
 167     ExcludeClipRect(hdc, x, y, x+textsize.cx, y+textsize.cy);
 168
 169     //
 170     //    Calc icon pos
 171     //
 172
 173     if(hIcon)
 174     {
 175         ExcludeClipRect(hdc, ix, iy, ix + 32, iy + 32);
 176     }
 177
 178     if(uStyle & CB_PUSHBUTTON)
 179     {
 180         DrawRect(hdc, &rect, fNormal);
 181
 182         SetBkColor(hdc,   MAKE_PALETTERGB(crBack));
 183         SetTextColor(hdc, crText);//MAKE_PALETTERGB(crText));
 184
 185         SelectClipRgn(hdc, 0);
 186
 187         ExtTextOut(hdc, x, y, ETO_OPAQUE, &cliprect, szText, lstrlen(szText), 0);
 188     }
 189     else
 190     {
 191         SetBkColor(hdc,      MAKE_PALETTERGB(crBack));
 192         SetTextColor(hdc, crText);//MAKE_PALETTERGB(crText));
 193
 194         SelectClipRgn(hdc, 0);
 195
 196         ExtTextOut(hdc, x, y, ETO_OPAQUE, &rect, szText, lstrlen(szText), 0);
 197     }
 198
 199     if(hIcon)
 200     {
 201         HBRUSH hbr = CreateSolidBrush(MAKE_PALETTERGB(crBack));
 202         DrawIconEx(hdc, ix, iy, hIcon, 32, 32, 0, hbr, 0);
 203         DeleteObject(hbr);
 204     }
 205
 206 }
 207
 208 void CardButton::AdjustPosition(int winwidth, int winheight)
 209 {
 210     int width = rect.right-rect.left;
 211     int height = rect.bottom-rect.top;
 212
 213     width = width & ~0x1;
 214
 215     switch(xjustify)
 216     {
 217     case CS_XJUST_NONE:
 218         break;
 219
 220     case CS_XJUST_CENTER:        //centered
 221         rect.left = (winwidth - (width)) / 2;
 222         rect.left += xadjust;
 223         rect.right = rect.left+width;
 224         break;
 225
 226     case CS_XJUST_RIGHT:        //right-aligned
 227         rect.left = winwidth - width;
 228         rect.left += xadjust;
 229         rect.right = rect.left+width;
 230         break;
 231     }
 232
 233     switch(yjustify)
 234     {
 235     case CS_YJUST_NONE:
 236         break;
 237
 238     case CS_YJUST_CENTER:        //centered
 239         rect.top = (winheight - (height)) / 2;
 240         rect.top += yadjust;
 241         rect.bottom = rect.top+height;
 242         break;
 243
 244     case CS_YJUST_BOTTOM:        //right-aligned
 245         rect.top = winheight - height;
 246         rect.top += yadjust;
 247         rect.bottom = rect.top+height;
 248         break;
 249     }
 250
 251 }
 252
 253 int CardButton::OnLButtonDown(HWND hwnd, int x, int y)
 254 {
 255     if((uStyle & CB_PUSHBUTTON) == 0)
 256         return 0;
 257
 258     //make sure that the user is allowed to do something
 259     if(WaitForSingleObject(mxlock, 0) != WAIT_OBJECT_0)
 260     {
 261         return 0;
 262     }
 263     else
 264     {
 265         ReleaseMutex(mxlock);
 266     }
 267
 268     fMouseDown = true;
 269     fButtonDown = true;
 270
 271     Redraw();
 272
 273     SetCapture(hwnd);
 274
 275     return 1;
 276 }
 277
 278 int CardButton::OnMouseMove(HWND hwnd, int x, int y)
 279 {
 280     if(fMouseDown)
 281     {
 282         bool fOldButtonDown = fButtonDown;
 283
 284         POINT pt;
 285
 286         pt.x = x;
 287         pt.y = y;
 288
 289         if(PtInRect(&rect, pt))
 290             fButtonDown = true;
 291         else
 292             fButtonDown = false;
 293
 294         if(fButtonDown != fOldButtonDown)
 295             Redraw();
 296     }
 297
 298     return 0;
 299 }
 300
 301 int CardButton::OnLButtonUp(HWND hwnd, int x, int y)
 302 {
 303     if(fMouseDown)
 304     {
 305         fMouseDown = false;
 306         fButtonDown = false;
 307
 308         if(uStyle & CB_PUSHBUTTON)
 309         {
 310             Redraw();
 311             ReleaseCapture();
 312         }
 313
 314         //if have clicked the button
 315         if(parentWnd.CardButtonFromPoint(x, y) == this)
 316         {
 317             if(ButtonCallback)
 318             {
 319                 ButtonCallback(*this);
 320             }
 321             else
 322             {
 323                 HWND hwnd = (HWND)parentWnd;
 324                 SendMessage(GetParent(hwnd), WM_COMMAND, MAKEWPARAM(id, BN_CLICKED), (LONG_PTR)hwnd);
 325             }
 326         }
 327     }
 328
 329     return 0;
 330 }
 331
 332 //#define _countof(array) (sizeof(array)/sizeof(array[0]))
 333
 334 CardButton *CardWindow::CreateButton(int id, TCHAR *szText, UINT uStyle, bool fVisible, int x, int y, int width, int height)
 335 {
 336     CardButton *cb;
 337
 338     if(nNumButtons == MAXBUTTONS)
 339         return 0;
 340
 341     cb = new CardButton(*this, id, szText, uStyle, fVisible, x, y, width, height);
 342     Buttons[nNumButtons++] = cb;
 343
 344     if(uStyle & CB_PUSHBUTTON)
 345     {
 346         cb->SetBackColor(CardButton::GetFace(crBackgnd));
 347         //cb->SetBackColor(ScaleLumRGB(crBackgnd, 0.1));
 348         cb->SetForeColor(RGB(255,255,255));
 349     }
 350     else
 351     {
 352         cb->SetBackColor(crBackgnd);
 353         cb->SetForeColor(RGB(255,255,255));
 354     }
 355
 356     return cb;
 357 }
 358
 359 void CardButton::SetText(TCHAR *lpszFormat, ...)
 360 {
 361     int count;
 362
 363     va_list args;
 364     va_start(args, lpszFormat);
 365
 366     count = wvsprintf(szText, lpszFormat, args);
 367     va_end(args);
 368 }
 369
 370 int CardButton::Id()
 371 {
 372     return id;
 373 }
 374
 375 void CardButton::Show(bool fShow)
 376 {
 377     fVisible = fShow;
 378 }
 379
 380 void CardButton::Move(int x, int y, int width, int height)
 381 {
 382     SetRect(&rect, x, y, x+width, y+height);
 383 }
 384
 385 void CardButton::Redraw()
 386 {
 387     HDC hdc = GetDC((HWND)parentWnd);
 388
 389     HPALETTE hOldPal = UseNicePalette(hdc, __hPalette);
 390
 391     Draw(hdc, !fButtonDown);
 392
 393     RestorePalette(hdc, hOldPal);
 394
 395     ReleaseDC((HWND)parentWnd, hdc);
 396 }
 397
 398 void CardButton::SetForeColor(COLORREF cr)
 399 {
 400     crText = cr;
 401 }
 402
 403 void CardButton::SetBackColor(COLORREF cr)
 404 {
 405     crBack = cr;
 406
 407     crHighlight = GetHighlight(cr);
 408     crShadow    = GetShadow(cr);
 409
 410     //crHighlight = ScaleLumRGB(cr, +0.25);
 411     //crShadow    = ScaleLumRGB(cr, -0.25);
 412 }
 413
 414 //    Static member
 415 COLORREF CardButton::GetHighlight(COLORREF crBase)
 416 {
 417     return ColorScaleRGB(crBase, RGB(255,255,255), 0.25);
 418 }
 419
 420 //    Static member
 421 COLORREF CardButton::GetShadow(COLORREF crBase)
 422 {
 423     return ColorScaleRGB(crBase, RGB(0,  0,  0),   0.25);
 424 }
 425
 426 COLORREF CardButton::GetFace(COLORREF crBase)
 427 {
 428     return ColorScaleRGB(crBase, RGB(255,255,255), 0.1);
 429 }
 430
 431 void CardButton::SetPlacement(UINT xJustify, UINT yJustify, int xAdjust, int yAdjust)
 432 {
 433     xadjust = xAdjust;
 434     yadjust = yAdjust;
 435     xjustify = xJustify;
 436     yjustify = yJustify;
 437 }
 438
 439 void CardButton::SetIcon(HICON hicon, bool fRedraw)
 440 {
 441     hIcon = hicon;
 442
 443     if(fRedraw)
 444         Redraw();
 445 }
 446
 447 void CardButton::SetFont(HFONT font)
 448 {
 449     //don't delete the existing font..
 450     hFont = font;
 451 }
 452
 453 void CardButton::SetButtonProc(pButtonProc proc)
 454 {
 455     ButtonCallback    = proc;
 456 }
 457
 458 bool CardButton::Lock()
 459 {
 460     DWORD dw = WaitForSingleObject(mxlock, 0);
 461
 462     if(dw == WAIT_OBJECT_0)
 463         return true;
 464     else
 465         return false;
 466 }
 467
 468 bool CardButton::UnLock()
 469 {
 470     if(ReleaseMutex(mxlock))
 471         return true;
 472     else
 473         return false;
 474 }
 475
 476 void CardButton::SetStyle(UINT style)
 477 {
 478     uStyle = style;
 479 }
 480
 481 UINT CardButton::GetStyle()
 482 {
 483     return uStyle;
 484 }