| 1 | ///////////////////////////////////////////////////////////////////////////// |
| 2 | // Name: minifram.cpp |
| 3 | // Purpose: wxMiniFrame |
| 4 | // Author: Julian Smart |
| 5 | // Modified by: |
| 6 | // Created: 04/01/98 |
| 7 | // RCS-ID: $Id$ |
| 8 | // Copyright: (c) Julian Smart and Markus Holzem |
| 9 | // Licence: wxWindows license |
| 10 | ///////////////////////////////////////////////////////////////////////////// |
| 11 | |
| 12 | #ifdef __GNUG__ |
| 13 | #pragma implementation "minifram.h" |
| 14 | #endif |
| 15 | |
| 16 | // For compilers that support precompilation, includes "wx.h". |
| 17 | #include "wx/wxprec.h" |
| 18 | |
| 19 | #ifdef __BORLANDC__ |
| 20 | #pragma hdrstop |
| 21 | #endif |
| 22 | |
| 23 | #include "wx/window.h" |
| 24 | #include "wx/msw/private.h" |
| 25 | |
| 26 | #ifndef WX_PRECOMP |
| 27 | #include "wx/setup.h" |
| 28 | #include "wx/event.h" |
| 29 | #include "wx/app.h" |
| 30 | #include "wx/utils.h" |
| 31 | #endif |
| 32 | |
| 33 | |
| 34 | #ifdef __WIN32__ |
| 35 | |
| 36 | #include "wx/minifram.h" |
| 37 | |
| 38 | IMPLEMENT_DYNAMIC_CLASS(wxMiniFrame, wxFrame) |
| 39 | |
| 40 | |
| 41 | #else |
| 42 | |
| 43 | |
| 44 | #if wxUSE_ITSY_BITSY |
| 45 | |
| 46 | #include "wx/minifram.h" |
| 47 | |
| 48 | #ifndef __TWIN32__ |
| 49 | #ifdef __GNUWIN32_OLD__ |
| 50 | #include "wx/msw/gnuwin32/extra.h" |
| 51 | #endif |
| 52 | #endif |
| 53 | |
| 54 | IMPLEMENT_DYNAMIC_CLASS(wxMiniFrame, wxFrame) |
| 55 | |
| 56 | long wxMiniFrame::MSWDefWindowProc(WXUINT nMsg, WXWPARAM wParam, WXLPARAM lParam) |
| 57 | { |
| 58 | if ((GetWindowStyleFlag() & wxTINY_CAPTION_HORIZ) || |
| 59 | (GetWindowStyleFlag() & wxTINY_CAPTION_VERT)) |
| 60 | return ::ibDefWindowProc((HWND) GetHWND(), nMsg, wParam, lParam); |
| 61 | else if ( m_oldWndProc ) |
| 62 | return ::CallWindowProc(CASTWNDPROC m_oldWndProc, (HWND) GetHWND(), (UINT) nMsg, (WPARAM) wParam, (LPARAM) lParam); |
| 63 | else |
| 64 | return ::DefWindowProc((HWND) GetHWND(), nMsg, wParam, lParam); |
| 65 | } |
| 66 | |
| 67 | wxMiniFrame::~wxMiniFrame(void) |
| 68 | { |
| 69 | } |
| 70 | |
| 71 | ///////////////////////////////////////////////////////////////////////// |
| 72 | // |
| 73 | // Project: ItsyBitsy window support module |
| 74 | // Module: itsybits.c |
| 75 | // |
| 76 | // |
| 77 | // ItsyBitsy is a support module that allows you to create windows |
| 78 | // that look and act very much like a popup window witha system |
| 79 | // menu and caption bar, except everything is scaled to about 2/3 |
| 80 | // scale. |
| 81 | // |
| 82 | // For documentation on how to use ItsyBits, read the document |
| 83 | // ITSYBITS.DOC. |
| 84 | // |
| 85 | // Revisions: |
| 86 | // 9/27/91 Charlie Kindel (cek/ckindel) |
| 87 | // Wrote and documented it. |
| 88 | // |
| 89 | // 1/14/93 cek |
| 90 | // 2/23/93 cek Added minimize/maximize buttons. |
| 91 | // 3/18/93 cek Fixed system menu bug where system menu |
| 92 | // popped back up if you clicked on the |
| 93 | // icon again while it was up. |
| 94 | // 3/24/93 cek More comments. Fixed DS_MODALDIALOG style |
| 95 | // problem. Use auto precompiled headers |
| 96 | // in MSVC. |
| 97 | // |
| 98 | ////////////////////////////////////////////////////////////////////////// |
| 99 | |
| 100 | #include "wx/window.h" |
| 101 | #include "wx/msw/private.h" |
| 102 | |
| 103 | #include <string.h> |
| 104 | |
| 105 | #if !defined( __WATCOMC__ ) && !defined( __MWERKS__ ) && !defined(__SALFORDC__) |
| 106 | #include <memory.h> |
| 107 | #endif |
| 108 | |
| 109 | #include <stdlib.h> |
| 110 | |
| 111 | #ifndef _RGB_H_ |
| 112 | #define _RGB_H_ |
| 113 | |
| 114 | // Some mildly useful macros for the standard 16 colors |
| 115 | #define RGBBLACK RGB(0,0,0) |
| 116 | #define RGBRED RGB(128,0,0) |
| 117 | #define RGBGREEN RGB(0,128,0) |
| 118 | #define RGBBLUE RGB(0,0,128) |
| 119 | |
| 120 | #define RGBBROWN RGB(128,128,0) |
| 121 | #define RGBMAGENTA RGB(128,0,128) |
| 122 | #define RGBCYAN RGB(0,128,128) |
| 123 | #define RGBLTGRAY RGB(192,192,192) |
| 124 | |
| 125 | #define RGBGRAY RGB(128,128,128) |
| 126 | #define RGBLTRED RGB(255,0,0) |
| 127 | #define RGBLTGREEN RGB(0,255,0) |
| 128 | #define RGBLTBLUE RGB(0,0,255) |
| 129 | |
| 130 | #define RGBYELLOW RGB(255,255,0) |
| 131 | #define RGBLTMAGENTA RGB(255,0,255) |
| 132 | #define RGBLTCYAN RGB(0,255,255) |
| 133 | #define RGBWHITE RGB(255,255,255) |
| 134 | #endif |
| 135 | |
| 136 | #ifndef GlobalAllocPtr |
| 137 | #define GlobalPtrHandle(lp) \ |
| 138 | ((HGLOBAL)GlobalHandle(lp)) |
| 139 | |
| 140 | #define GlobalLockPtr(lp) \ |
| 141 | ((BOOL)GlobalLock(GlobalPtrHandle(lp))) |
| 142 | #define GlobalUnlockPtr(lp) \ |
| 143 | GlobalUnlock(GlobalPtrHandle(lp)) |
| 144 | |
| 145 | #define GlobalAllocPtr(flags, cb) \ |
| 146 | (GlobalLock(GlobalAlloc((flags), (cb)))) |
| 147 | #define GlobalReAllocPtr(lp, cbNew, flags) \ |
| 148 | (GlobalUnlockPtr(lp), GlobalLock(GlobalReAlloc(GlobalPtrHandle(lp) , (cbNew), (flags)))) |
| 149 | #define GlobalFreePtr(lp) \ |
| 150 | (GlobalUnlockPtr(lp), (BOOL)GlobalFree(GlobalPtrHandle(lp))) |
| 151 | #endif |
| 152 | |
| 153 | #if defined(__BORLANDC__) || defined(__WATCOMC__) |
| 154 | #define max(a,b) (((a) > (b)) ? (a) : (b)) |
| 155 | #define min(a,b) (((a) < (b)) ? (a) : (b)) |
| 156 | #endif |
| 157 | |
| 158 | // CAPTIONXY is the default size of the system menu icon. This |
| 159 | // determines the height/width of the caption. |
| 160 | // |
| 161 | // The value that results from the following formula works out |
| 162 | // nicely for the veritcal caption on VGA, 8514 (Large Fonts), |
| 163 | // 8514 (Small Fonts), XGA (Small Fonts), XGA (Large Fonts), |
| 164 | // and TIGA (Small Fonts). It may not be good on other displays. |
| 165 | // |
| 166 | // The problem is that TT fonts turn into bitmap fonts when they |
| 167 | // are sized below a certain threshold. The idea is to make the |
| 168 | // size of the caption just big enough to get the smallest TT |
| 169 | // (scalable) font to fit. |
| 170 | // |
| 171 | #define CAPTIONXY (GetSystemMetrics( SM_CYCAPTION ) / 2 + 1) |
| 172 | |
| 173 | #define TestWinStyle( hWnd, dwStyleBit ) \ |
| 174 | (((DWORD)GetWindowLong( hWnd, GWL_STYLE ) & (DWORD)dwStyleBit) ? TRUE : FALSE ) |
| 175 | #define HASCAPTION( hwnd ) (TestWinStyle( hwnd, IBS_VERTCAPTION ) ||\ |
| 176 | TestWinStyle( hwnd, IBS_HORZCAPTION )) |
| 177 | |
| 178 | #define SETCAPTIONSIZE(h,i) (UINT)SetProp(h,wxT("ibSize"),(HANDLE)i) |
| 179 | #define GETCAPTIONSIZE(h) (UINT)GetProp(h,wxT("ibSize")) |
| 180 | #define FREECAPTIONSIZE(h) RemoveProp(h,wxT("ibSize")) |
| 181 | |
| 182 | #define SETMENUWASUPFLAG(h,i) (UINT)SetProp(h,wxT("ibFlag"),(HANDLE)i) |
| 183 | #define GETMENUWASUPFLAG(h) (UINT)GetProp(h,wxT("ibFlag")) |
| 184 | #define FREEMENUWASUPFLAG(h) RemoveProp(h,wxT("ibFlag")) |
| 185 | |
| 186 | ///////////////////////////////////////////////////////////////////// |
| 187 | // Little known fact: |
| 188 | // ExtTextOut() is the fastest way to draw a filled rectangle |
| 189 | // in Windows (if you don't want dithered colors or borders). |
| 190 | // |
| 191 | // Unfortunately there is a bug in the Windows 3.0 8514 driver |
| 192 | // in using ExtTextOut() to a memory DC. If you are drawing |
| 193 | // to an off screen bitmap, then blitting that bitmap to the |
| 194 | // display, do not #define wxUSE_EXTTEXTOUT below. |
| 195 | // |
| 196 | // The following macro (DRAWFASTRECT) draws a filled rectangle |
| 197 | // with no border and a solid color. It uses the current back- |
| 198 | // ground color as the fill color. |
| 199 | ////////////////////////////////////////////////////////////////////// |
| 200 | #define wxUSE_EXTTEXTOUT |
| 201 | #ifdef wxUSE_EXTTEXTOUT |
| 202 | #define DRAWFASTRECT(hdc,lprc) ExtTextOut(hdc,0,0,ETO_OPAQUE,lprc,NULL,0,NULL) |
| 203 | #else |
| 204 | #define DRAWFASTRECT(hdc,lprc) {\ |
| 205 | HBRUSH hbr = CreateSolidBrush( GetBkColor( hdc ) ) ;\ |
| 206 | hbr = SelectObject(hdc, hbr) ;\ |
| 207 | PatBlt(hdc,(lprc)->left,(lprc)->top,(lprc)->right-(lprc)->left,(lprc)->bottom-(lprc)->top,PATCOPY) ;\ |
| 208 | hbr = SelectObject(hdc, hbr) ;\ |
| 209 | DeleteObject( hbr ) ;\ |
| 210 | } |
| 211 | #endif |
| 212 | |
| 213 | // The DrawArrow function takes the following to indicate what |
| 214 | // kind of arrow to draw. |
| 215 | // |
| 216 | #define ARROW_UP 0 |
| 217 | #define ARROW_DOWN 1 |
| 218 | #define ARROW_RESTORE 2 |
| 219 | |
| 220 | BOOL PASCAL DepressMinMaxButton( HWND hWnd, UINT uiHT, LPRECT ) ; |
| 221 | BOOL PASCAL DoMenu( HWND hWnd ) ; |
| 222 | void PASCAL SetupSystemMenu( HWND hWnd, HMENU hMenu ) ; |
| 223 | BOOL PASCAL GetCaptionRect( HWND hWnd, LPRECT lprc ) ; |
| 224 | BOOL PASCAL GetIconRect( HWND hWnd, LPRECT lprc ) ; |
| 225 | BOOL PASCAL GetButtonRect( HWND hWnd, UINT nPos, LPRECT lprc ) ; |
| 226 | BOOL PASCAL GetMinButtonRect( HWND hWnd, LPRECT lprc ) ; |
| 227 | BOOL PASCAL GetMaxButtonRect( HWND hWnd, LPRECT lprc ) ; |
| 228 | BOOL PASCAL DrawCaption( HDC hDC, HWND hWnd, LPRECT lprc, |
| 229 | BOOL fVert, BOOL fSysMenu, |
| 230 | BOOL fMin, BOOL fMax, BOOL fActive ) ; |
| 231 | void PASCAL DrawSysMenu( HDC hDC, HWND hWnd, BOOL fInvert ) ; |
| 232 | void PASCAL DrawButton( HDC hDC, HWND hWnd, BOOL fMin, BOOL fDepressed ) ; |
| 233 | void PASCAL DrawArrow( HDC hdc, LPRECT lprc, UINT uiStyle ) ; |
| 234 | |
| 235 | // Global vars |
| 236 | // |
| 237 | static BOOL fWin31 ; |
| 238 | |
| 239 | /////////////////////////////////////////////////////////////////////// |
| 240 | // External/Public functions |
| 241 | /////////////////////////////////////////////////////////////////////// |
| 242 | |
| 243 | ///////////////////////////////////////////////////////////////// |
| 244 | // UINT WINAPI ibGetCaptionSize( HWND hWnd ) |
| 245 | // |
| 246 | // Description: |
| 247 | // |
| 248 | // Gets the size of the caption (height if horz, width if |
| 249 | // vertical). |
| 250 | // |
| 251 | // Comments: |
| 252 | // |
| 253 | /////////////////////////////////////////////////////////////// |
| 254 | UINT WINAPI ibGetCaptionSize( HWND hWnd ) |
| 255 | { |
| 256 | return GETCAPTIONSIZE( hWnd ) + 1 ; |
| 257 | } // ibSetCaptionSize() |
| 258 | |
| 259 | ///////////////////////////////////////////////////////////////// |
| 260 | // UINT WINAPI ibSetCaptionSize( HWND hWnd, UINT nSize ) |
| 261 | // |
| 262 | // Description: |
| 263 | // |
| 264 | // Changes the size of the caption (height if horz, width if |
| 265 | // vertical). |
| 266 | // |
| 267 | // Comments: |
| 268 | // |
| 269 | ////////////////////////////////////////////////////////////////// |
| 270 | UINT WINAPI ibSetCaptionSize( HWND hWnd, UINT nSize ) |
| 271 | { |
| 272 | UINT ui ; |
| 273 | |
| 274 | if (nSize <= 0) |
| 275 | return 0 ; |
| 276 | |
| 277 | nSize-- ; |
| 278 | ui = SETCAPTIONSIZE( hWnd, nSize ) ; |
| 279 | |
| 280 | // Once we change the window style, we need a WM_NCCALCRECT |
| 281 | // to be generated. |
| 282 | // |
| 283 | // SWP_FRAMECHANGED is not documented in the 3.1 SDK docs, |
| 284 | // but *is* in WINDOWS.H. |
| 285 | // |
| 286 | SetWindowPos( hWnd, NULL, 0, 0, 0, 0, SWP_FRAMECHANGED | |
| 287 | SWP_NOSIZE | SWP_NOMOVE | |
| 288 | SWP_NOACTIVATE | SWP_NOZORDER) ; |
| 289 | |
| 290 | return ui ; |
| 291 | |
| 292 | } // ibSetCaptionSize() |
| 293 | |
| 294 | ///////////////////////////////////////////////////////////////// |
| 295 | // LRESULT WINAPI ibDefWindowProc( HWND hWnd, UINT uiMsg, WPARAM wParam, LPARAM lParam ) |
| 296 | // |
| 297 | // Description: |
| 298 | // |
| 299 | // This function should be called instead of DefWindowProc() for |
| 300 | // windows that want to have itsybitsy captions. |
| 301 | // |
| 302 | // Comments: |
| 303 | // |
| 304 | ////////////////////////////////////////////////////////////////// |
| 305 | LRESULT WINAPI ibDefWindowProc( HWND hWnd, UINT uiMsg, WPARAM wParam, LPARAM lParam ) |
| 306 | { |
| 307 | LRESULT lRet ; |
| 308 | UINT nCapSize ; |
| 309 | |
| 310 | switch( uiMsg ) |
| 311 | { |
| 312 | case WM_SYSCHAR: |
| 313 | // If ALT-SPACE |
| 314 | // was hit then pop up the menu |
| 315 | // |
| 316 | if (HASCAPTION( hWnd ) && (wParam == VK_SPACE)) |
| 317 | { |
| 318 | DoMenu( hWnd ) ; |
| 319 | break ; |
| 320 | } |
| 321 | |
| 322 | // FALL THROUGH!!!! |
| 323 | // |
| 324 | |
| 325 | case WM_SYSKEYDOWN: |
| 326 | case WM_SYSKEYUP: |
| 327 | case WM_KEYDOWN: |
| 328 | case WM_KEYUP: |
| 329 | { |
| 330 | DWORD dw = GetWindowLong( hWnd, GWL_STYLE ) ; |
| 331 | |
| 332 | // Fool DefWindowProc into thinking we do not have |
| 333 | // a system menu. Otherwise it will try to |
| 334 | // pop up its own. |
| 335 | // |
| 336 | SetWindowLong( hWnd, GWL_STYLE, dw &~WS_SYSMENU ) ; |
| 337 | lRet = DefWindowProc( hWnd, uiMsg, wParam, lParam ) ; |
| 338 | SetWindowLong( hWnd, GWL_STYLE, dw ) ; |
| 339 | return lRet ; |
| 340 | } |
| 341 | break ; |
| 342 | |
| 343 | case WM_COMMAND: |
| 344 | // The menu that is poped up for the system menu with |
| 345 | // TrackPopupMenu() sends it's notifications as WM_COMMAND |
| 346 | // messages. We need to translate these into |
| 347 | // WM_SYSCOMMAND messages. All standard WM_SYSCOMMAND |
| 348 | // ids are greater than 0xF000. |
| 349 | // |
| 350 | // This could be a possible cause of confusion if the |
| 351 | // itsybitsy window had children that used SC_MOVE or SC_CLOSE |
| 352 | // as their IDs. Take note and be careful. |
| 353 | // |
| 354 | // Also, because ibDefWindowProc looks at WM_COMMAND messages, |
| 355 | // you will need to be careful to call ibDefWindowProc() for |
| 356 | // any wm_command messages that you would normally ignore. |
| 357 | // Otherwise the system menu won't work. |
| 358 | // |
| 359 | if (wParam >= 0xF000) |
| 360 | // Call PostMessage() here instead of SendMessage! |
| 361 | // Here's why: |
| 362 | // Our menu was created by TrackPopupMenu(). TPM() does |
| 363 | // not return until after the menu has been destroyed |
| 364 | // (and thus the command associated with the menu selection |
| 365 | // sent). Therefore when we get here, we are still |
| 366 | // *inside* TPM(). If we Send WM_SYSCOMMAND, SC_CLOSE |
| 367 | // to the window, the window will be destroyed before |
| 368 | // TPM() returns to our code within DoMenu() below. Wel... |
| 369 | // We do stuff with the window handle after DoMenu() |
| 370 | // returns (namely GetProp()). Since the window has |
| 371 | // been destroyed,this is bad. |
| 372 | PostMessage( hWnd, WM_SYSCOMMAND, wParam, lParam ) ; |
| 373 | |
| 374 | return DefWindowProc( hWnd, uiMsg, wParam, lParam ) ; |
| 375 | |
| 376 | case WM_GETMINMAXINFO: |
| 377 | { |
| 378 | nCapSize = GETCAPTIONSIZE( hWnd ) ; |
| 379 | if (HASCAPTION( hWnd ) && TestWinStyle( hWnd, WS_THICKFRAME )) |
| 380 | { |
| 381 | LPPOINT lppt = (LPPOINT)lParam ; |
| 382 | RECT rcMenu ; |
| 383 | RECT rcMin ; |
| 384 | RECT rcMax ; |
| 385 | int nX ; |
| 386 | int cx, cy ; // window frame/border width |
| 387 | |
| 388 | if (TestWinStyle( hWnd, WS_THICKFRAME )) |
| 389 | { |
| 390 | cx = GetSystemMetrics( SM_CXFRAME ) ; |
| 391 | cy = GetSystemMetrics( SM_CYFRAME ) ; |
| 392 | } |
| 393 | else if (TestWinStyle(hWnd, WS_BORDER )) |
| 394 | { |
| 395 | cx = GetSystemMetrics( SM_CXBORDER ) ; |
| 396 | cy = GetSystemMetrics( SM_CYBORDER ) ; |
| 397 | } |
| 398 | else |
| 399 | { |
| 400 | // VZ: I don't know what should be here, but the vars must |
| 401 | // be inited! |
| 402 | wxFAIL_MSG(wxT("don't know how to initialize cx, cy")); |
| 403 | |
| 404 | cx = cy = 0; |
| 405 | } |
| 406 | |
| 407 | GetIconRect( hWnd, &rcMenu ) ; |
| 408 | GetMinButtonRect( hWnd, &rcMin ) ; |
| 409 | GetMaxButtonRect( hWnd, &rcMax ) ; |
| 410 | nX = (rcMenu.right-rcMenu.left) + |
| 411 | (rcMin.right-rcMin.left) + |
| 412 | (rcMin.right-rcMin.left) ; |
| 413 | |
| 414 | |
| 415 | if (TestWinStyle( hWnd, IBS_VERTCAPTION ) ) |
| 416 | { |
| 417 | lppt[3].x = nCapSize + cx * 2 - 1 ; |
| 418 | lppt[3].y = nX + (2* nCapSize) ; |
| 419 | } |
| 420 | else |
| 421 | { |
| 422 | lppt[3].x = nX + (2* nCapSize) ; |
| 423 | lppt[3].y = nCapSize + cy * 2 - 1 ; |
| 424 | } |
| 425 | } |
| 426 | return DefWindowProc( hWnd, uiMsg, wParam, lParam ) ; |
| 427 | } |
| 428 | break ; |
| 429 | |
| 430 | ///////////////////////////////////////////////////////////////////// |
| 431 | // Non-client area messages. These are used to allow the |
| 432 | // minature caption bar to be handled correctly. |
| 433 | // |
| 434 | case WM_NCCREATE: |
| 435 | { |
| 436 | DWORD dwStyle ; |
| 437 | |
| 438 | // We have two things that we need to store somewhere: |
| 439 | // 1) The caption height (width). |
| 440 | // and 2) A flag indicating whether the sysmenu was |
| 441 | // just up or not. |
| 442 | // |
| 443 | // CAPTIONXY is a macro that calls GetSystemMetrics. |
| 444 | // |
| 445 | SETCAPTIONSIZE( hWnd, CAPTIONXY ) ; |
| 446 | |
| 447 | // Set our flag that tells us whether the system menu was |
| 448 | // 'just up'. |
| 449 | // |
| 450 | SETMENUWASUPFLAG( hWnd, FALSE ) ; |
| 451 | |
| 452 | // Are we in 3.1? If so we have some neat features |
| 453 | // we can use like rotated TrueType fonts. |
| 454 | // |
| 455 | fWin31 = (BOOL)(LOWORD( GetVersion() ) >= 0x030A) ; |
| 456 | |
| 457 | // If IBS_????CAPTION was specified and the WS_DLGFRAME (or |
| 458 | // WS_DLGFRAME 'cause it == WS_CAPTION | WS_BORDER) |
| 459 | // was specified the creator made a mistake. Things get really |
| 460 | // ugly if DefWindowProc sees WS_DLGFRAME, so we strip |
| 461 | // the WS_DLGFRAME part off! |
| 462 | // |
| 463 | dwStyle = GetWindowLong( hWnd, GWL_STYLE ) ; |
| 464 | if ((dwStyle & IBS_VERTCAPTION || dwStyle & IBS_HORZCAPTION) && |
| 465 | dwStyle & WS_DLGFRAME) |
| 466 | { |
| 467 | dwStyle &= (DWORD)~WS_DLGFRAME ; |
| 468 | SetWindowLong( hWnd, GWL_STYLE, dwStyle ) ; |
| 469 | } |
| 470 | } |
| 471 | return DefWindowProc( hWnd, uiMsg, wParam, lParam ) ; |
| 472 | |
| 473 | case WM_NCDESTROY: |
| 474 | // We store the caption size in a window prop. so we |
| 475 | // must remove props. |
| 476 | // |
| 477 | FREECAPTIONSIZE( hWnd ) ; |
| 478 | FREEMENUWASUPFLAG( hWnd ) ; |
| 479 | return DefWindowProc( hWnd, uiMsg, wParam, lParam ) ; |
| 480 | |
| 481 | case WM_NCCALCSIZE: |
| 482 | // This is sent when the window manager wants to find out |
| 483 | // how big our client area is to be. If we have a mini-caption |
| 484 | // then we trap this message and calculate the cleint area rect, |
| 485 | // which is the client area rect calculated by DefWindowProc() |
| 486 | // minus the width/height of the mini-caption bar |
| 487 | // |
| 488 | lRet = DefWindowProc( hWnd, uiMsg, wParam, lParam ) ; |
| 489 | if (!IsIconic( hWnd ) && HASCAPTION( hWnd )) |
| 490 | { |
| 491 | nCapSize = GETCAPTIONSIZE( hWnd ) ; |
| 492 | |
| 493 | if (TestWinStyle( hWnd, IBS_VERTCAPTION ) ) |
| 494 | ((LPRECT)lParam)->left += nCapSize ; |
| 495 | else |
| 496 | ((LPRECT)lParam)->top += nCapSize ; |
| 497 | } |
| 498 | return lRet ; |
| 499 | |
| 500 | case WM_NCHITTEST: |
| 501 | // This message is sent whenever the mouse moves over us. |
| 502 | // We will depend on DefWindowProc for everything unless |
| 503 | // there is a mini-caption, in which case we will |
| 504 | // return HTCAPTION or HTSYSMENU. When the user clicks |
| 505 | // or double clicks, NC_LBUTTON/ message are sent with |
| 506 | // wParam equal to what we return here. |
| 507 | // This means that this is an ideal place to figure out |
| 508 | // where we are! |
| 509 | // |
| 510 | // let defwindowproc handle the standard borders etc... |
| 511 | // |
| 512 | lRet = DefWindowProc( hWnd, uiMsg, wParam, lParam ) ; |
| 513 | if (!IsIconic( hWnd ) && HASCAPTION( hWnd ) && lRet == HTNOWHERE) |
| 514 | { |
| 515 | RECT rc ; |
| 516 | RECT rcMenu ; |
| 517 | RECT rcMinButton ; |
| 518 | RECT rcMaxButton ; |
| 519 | POINT pt ; |
| 520 | |
| 521 | nCapSize = GETCAPTIONSIZE( hWnd ) ; |
| 522 | |
| 523 | // if DefWindowProc returned HTCAPTION then we have to |
| 524 | // refine the area and return HTSYSMENU if appropriate |
| 525 | // |
| 526 | pt.x = LOWORD( lParam ) ; |
| 527 | pt.y = HIWORD( lParam ) ; |
| 528 | |
| 529 | GetCaptionRect( hWnd, &rc ) ; // window coords |
| 530 | if (PtInRect( &rc, pt )) |
| 531 | { |
| 532 | lRet = HTCAPTION ; |
| 533 | |
| 534 | // rely on the fact that Get???Rect() return an invalid |
| 535 | // (empty) rectangle if the menu/buttons don't exist |
| 536 | // |
| 537 | GetIconRect( hWnd, &rcMenu ) ; |
| 538 | GetMinButtonRect( hWnd, &rcMinButton ) ; |
| 539 | GetMaxButtonRect( hWnd, &rcMaxButton ) ; |
| 540 | |
| 541 | if (PtInRect( &rcMenu, pt )) |
| 542 | lRet = HTSYSMENU ; |
| 543 | |
| 544 | if (PtInRect( &rcMinButton, pt )) |
| 545 | lRet = HTMINBUTTON ; |
| 546 | else |
| 547 | if (PtInRect( &rcMaxButton, pt )) |
| 548 | lRet = HTMAXBUTTON ; |
| 549 | } |
| 550 | } |
| 551 | if (lRet != HTSYSMENU) |
| 552 | SETMENUWASUPFLAG( hWnd, FALSE ) ; |
| 553 | return lRet ; |
| 554 | |
| 555 | case WM_NCLBUTTONDBLCLK: |
| 556 | // Windows recieve WM_NC?BUTTONDBLCLK messages whether they |
| 557 | // have CS_DBLCLKS or not. We watch for one of these |
| 558 | // to see if the user double clicked on the system menu (to |
| 559 | // close the window) or on the caption (to maximize the window). |
| 560 | // |
| 561 | if (!IsIconic( hWnd ) && HASCAPTION( hWnd ) && wParam == HTSYSMENU) |
| 562 | { |
| 563 | SendMessage( hWnd, WM_CLOSE, 0, 0L ) ; |
| 564 | break ; |
| 565 | } |
| 566 | return DefWindowProc( hWnd, uiMsg, wParam, lParam ) ; |
| 567 | |
| 568 | case WM_NCLBUTTONDOWN: |
| 569 | { |
| 570 | RECT rc ; |
| 571 | |
| 572 | // If we're iconic or we don't have a caption then |
| 573 | // DefWindowProc will do the job just fine. |
| 574 | // |
| 575 | if (IsIconic( hWnd ) || !HASCAPTION( hWnd )) |
| 576 | return DefWindowProc( hWnd, uiMsg, wParam, lParam ) ; |
| 577 | |
| 578 | // Here's were we handle the system menu, the min and max buttons. |
| 579 | // If you wanted to change the behavior of the min/max buttons |
| 580 | // do something like swap tool palettes or something, you |
| 581 | // would change the SendMessage() calls below. |
| 582 | // |
| 583 | switch (wParam) |
| 584 | { |
| 585 | case HTSYSMENU: |
| 586 | if (GETMENUWASUPFLAG( hWnd ) == FALSE && DoMenu( hWnd )) |
| 587 | SETMENUWASUPFLAG( hWnd, TRUE ) ; |
| 588 | else |
| 589 | SETMENUWASUPFLAG( hWnd, FALSE ) ; |
| 590 | break ; |
| 591 | |
| 592 | case HTMINBUTTON: |
| 593 | GetMinButtonRect( hWnd, &rc ) ; |
| 594 | // Note that DepressMinMaxButton() goes into |
| 595 | // a PeekMessage() loop waiting for the mouse |
| 596 | // to come back up. |
| 597 | // |
| 598 | if (DepressMinMaxButton( hWnd, wParam, &rc )) |
| 599 | SendMessage( hWnd, WM_SYSCOMMAND, SC_MINIMIZE, lParam ) ; |
| 600 | break ; |
| 601 | |
| 602 | case HTMAXBUTTON: |
| 603 | GetMaxButtonRect( hWnd, &rc ) ; |
| 604 | // Note that DepressMinMaxButton() goes into |
| 605 | // a PeekMessage() loop waiting for the mouse |
| 606 | // to come back up. |
| 607 | // |
| 608 | if (DepressMinMaxButton( hWnd, wParam, &rc )) |
| 609 | { |
| 610 | if (IsZoomed(hWnd)) |
| 611 | SendMessage( hWnd, WM_SYSCOMMAND, SC_RESTORE, lParam ) ; |
| 612 | else |
| 613 | SendMessage( hWnd, WM_SYSCOMMAND, SC_MAXIMIZE, lParam ) ; |
| 614 | } |
| 615 | break ; |
| 616 | |
| 617 | default: |
| 618 | // Well, it appears as though the user clicked somewhere other |
| 619 | // than the buttons. We let DefWindowProc do it's magic. |
| 620 | // This is where things like dragging and sizing the |
| 621 | // window happen. |
| 622 | // |
| 623 | return DefWindowProc( hWnd, uiMsg, wParam, lParam ) ; |
| 624 | } |
| 625 | } |
| 626 | break ; |
| 627 | |
| 628 | case WM_NCPAINT: |
| 629 | case WM_NCACTIVATE: |
| 630 | if (IsIconic( hWnd )) |
| 631 | return DefWindowProc( hWnd, uiMsg, wParam, lParam ) ; |
| 632 | |
| 633 | // Paint the non-client area here. We will call DefWindowProc |
| 634 | // after we are done so it can paint the borders and so |
| 635 | // forth... |
| 636 | // |
| 637 | lRet = DefWindowProc( hWnd, uiMsg, wParam, lParam ) ; |
| 638 | if (HASCAPTION( hWnd )) |
| 639 | { |
| 640 | RECT rcCap ; |
| 641 | RECT rc ; |
| 642 | HDC hDC = GetWindowDC( hWnd ) ; |
| 643 | BOOL fActive ; |
| 644 | |
| 645 | GetCaptionRect( hWnd, &rcCap ) ; // Convert to window coords |
| 646 | GetWindowRect( hWnd, &rc ) ; |
| 647 | OffsetRect( &rcCap, -rc.left, -rc.top ) ; |
| 648 | |
| 649 | if (uiMsg == WM_NCPAINT) |
| 650 | fActive = (hWnd == GetActiveWindow()) ; |
| 651 | else |
| 652 | fActive = wParam ; |
| 653 | |
| 654 | DrawCaption( hDC, hWnd, &rcCap, |
| 655 | TestWinStyle(hWnd, IBS_VERTCAPTION), |
| 656 | TestWinStyle(hWnd, WS_SYSMENU), |
| 657 | TestWinStyle(hWnd, WS_MINIMIZEBOX), |
| 658 | TestWinStyle(hWnd, WS_MAXIMIZEBOX), |
| 659 | fActive ) ; |
| 660 | |
| 661 | ReleaseDC( hWnd, hDC ) ; |
| 662 | } |
| 663 | return lRet; |
| 664 | break; |
| 665 | |
| 666 | default: |
| 667 | return DefWindowProc( hWnd, uiMsg, wParam, lParam ) ; |
| 668 | } |
| 669 | |
| 670 | return 0L ; |
| 671 | |
| 672 | } // ibDefWindowProc() |
| 673 | |
| 674 | // ibAdjustWindowRect( HWND hWnd, LPRECT lprc ) |
| 675 | // |
| 676 | // Does the same thing as the USER function AdjustWindowRect(), |
| 677 | // but knows about itsybitsy windows. AdjustWindowRect() is |
| 678 | // bogus for stuff like this. |
| 679 | // |
| 680 | void WINAPI ibAdjustWindowRect( HWND hWnd, LPRECT lprc ) |
| 681 | { |
| 682 | short cx = 0, cy = 0 ; |
| 683 | UINT nCapSize ; |
| 684 | |
| 685 | nCapSize = GETCAPTIONSIZE( hWnd ) ; |
| 686 | |
| 687 | // First check Windows's styles, then our own. |
| 688 | // |
| 689 | if (TestWinStyle( hWnd, WS_THICKFRAME )) |
| 690 | { |
| 691 | cx = GetSystemMetrics( SM_CXFRAME ) ; |
| 692 | cy = GetSystemMetrics( SM_CYFRAME ) ; |
| 693 | } |
| 694 | else |
| 695 | if (TestWinStyle(hWnd, DS_MODALFRAME )) |
| 696 | { |
| 697 | cx = GetSystemMetrics( SM_CXDLGFRAME ) + GetSystemMetrics( SM_CXBORDER ) ; |
| 698 | cy = GetSystemMetrics( SM_CYDLGFRAME ) + GetSystemMetrics( SM_CYBORDER ) ; |
| 699 | } |
| 700 | else |
| 701 | if (TestWinStyle(hWnd, WS_BORDER )) |
| 702 | { |
| 703 | cx = GetSystemMetrics( SM_CXBORDER ) ; |
| 704 | cy = GetSystemMetrics( SM_CYBORDER ) ; |
| 705 | } |
| 706 | |
| 707 | InflateRect( lprc, cx, cy ) ; |
| 708 | |
| 709 | if (TestWinStyle( hWnd, IBS_VERTCAPTION )) |
| 710 | lprc->left -= nCapSize ; |
| 711 | else |
| 712 | if (TestWinStyle( hWnd, IBS_HORZCAPTION )) |
| 713 | lprc->top -= nCapSize ; |
| 714 | |
| 715 | } // ibAdjustWindowRect() |
| 716 | |
| 717 | |
| 718 | /////////////////////////////////////////////////////////////////////// |
| 719 | // Internal functions |
| 720 | /////////////////////////////////////////////////////////////////////// |
| 721 | |
| 722 | // DepressMinMaxButton() |
| 723 | // |
| 724 | // This function is called when the user has pressed either the min or |
| 725 | // max button (i.e. WM_NCLBUTTONDOWN). We go into a Peekmessage() loop, |
| 726 | // waiting for the mouse to come back up. This allows us to make the |
| 727 | // button change up/down state like a real button does. |
| 728 | // |
| 729 | // lprc points to the rectangle that describes the button the |
| 730 | // user has clicked on. |
| 731 | // |
| 732 | BOOL PASCAL DepressMinMaxButton( HWND hWnd, UINT uiHT, LPRECT lprc ) |
| 733 | { |
| 734 | BOOL fDepressed = TRUE ; |
| 735 | MSG msg ; |
| 736 | |
| 737 | // Draw button in down state |
| 738 | DrawButton( NULL, hWnd, uiHT == HTMINBUTTON, fDepressed ) ; |
| 739 | SetCapture( hWnd ) ; |
| 740 | |
| 741 | while (TRUE) |
| 742 | { |
| 743 | if (PeekMessage((LPMSG)&msg, NULL, WM_MOUSEFIRST, WM_MOUSELAST, PM_REMOVE)) |
| 744 | { |
| 745 | switch (msg.message) |
| 746 | { |
| 747 | case WM_LBUTTONUP: |
| 748 | if (fDepressed) |
| 749 | DrawButton( NULL, hWnd, uiHT == HTMINBUTTON, !fDepressed ) ; |
| 750 | ReleaseCapture(); |
| 751 | return PtInRect( lprc, msg.pt ) ; |
| 752 | |
| 753 | case WM_MOUSEMOVE: |
| 754 | if (PtInRect( lprc, msg.pt )) |
| 755 | { |
| 756 | if (!fDepressed) |
| 757 | DrawButton( NULL, hWnd, uiHT == HTMINBUTTON, fDepressed = TRUE ) ; |
| 758 | } |
| 759 | else |
| 760 | { |
| 761 | if (fDepressed) |
| 762 | DrawButton( NULL, hWnd, uiHT == HTMINBUTTON, fDepressed = FALSE ) ; |
| 763 | } |
| 764 | break; |
| 765 | } |
| 766 | } |
| 767 | } |
| 768 | |
| 769 | } // DepressMinMaxButton() |
| 770 | |
| 771 | // DrawCaption( HDC hDC, HWND hWnd, LPRECT lprc, |
| 772 | // BOOL fVert, BOOL fSysMenu, BOOL fActive ) |
| 773 | // |
| 774 | // This function draws an itsy bitsy caption bar with or |
| 775 | // without system menu to the dc specified by hDC. The |
| 776 | // caption is drawn to fit within the lprc RECT and is |
| 777 | // drawn//withOut/ borders. |
| 778 | // |
| 779 | BOOL PASCAL DrawCaption( HDC hDC, HWND hWnd, LPRECT lprc, |
| 780 | BOOL fVert, BOOL fSysMenu, BOOL fMin, |
| 781 | BOOL fMax, BOOL fActive ) |
| 782 | { |
| 783 | RECT rc ; |
| 784 | RECT rcCap ; |
| 785 | COLORREF rgbCaptionBG ; |
| 786 | COLORREF rgbText ; |
| 787 | COLORREF rgbWindowFrame ; |
| 788 | HBRUSH hbrCaption ; |
| 789 | UINT ui ; |
| 790 | UINT nCapSize ; |
| 791 | |
| 792 | nCapSize = GETCAPTIONSIZE( hWnd ) ; |
| 793 | |
| 794 | // Get the colors. |
| 795 | // |
| 796 | rgbWindowFrame = GetSysColor( COLOR_WINDOWFRAME ) ; |
| 797 | |
| 798 | // if we have focus use the active caption color |
| 799 | // otherwise use the inactive caption color |
| 800 | // |
| 801 | if (fActive) |
| 802 | { |
| 803 | rgbText = GetSysColor( COLOR_CAPTIONTEXT ) ; |
| 804 | rgbCaptionBG = GetSysColor( COLOR_ACTIVECAPTION ) ; |
| 805 | } |
| 806 | else |
| 807 | { |
| 808 | if (fWin31) |
| 809 | rgbText = GetSysColor( COLOR_INACTIVECAPTIONTEXT ) ; |
| 810 | else |
| 811 | rgbText = GetSysColor( COLOR_CAPTIONTEXT ) ; |
| 812 | |
| 813 | rgbCaptionBG = GetSysColor( COLOR_INACTIVECAPTION ) ; |
| 814 | } |
| 815 | |
| 816 | SetBkMode( hDC, TRANSPARENT ) ; |
| 817 | SelectObject( hDC, GetStockObject( NULL_BRUSH ) ) ; |
| 818 | SelectObject( hDC, GetStockObject( NULL_PEN ) ) ; |
| 819 | |
| 820 | rcCap = *lprc ; |
| 821 | |
| 822 | if (fSysMenu) |
| 823 | { |
| 824 | if (fVert) |
| 825 | rcCap.top += nCapSize ; |
| 826 | else |
| 827 | rcCap.left += nCapSize ; |
| 828 | } |
| 829 | |
| 830 | if (fMax) |
| 831 | { |
| 832 | if (fVert) |
| 833 | rcCap.bottom -= nCapSize ; |
| 834 | else |
| 835 | rcCap.right -= nCapSize ; |
| 836 | } |
| 837 | |
| 838 | if (fMin) |
| 839 | { |
| 840 | if (fVert) |
| 841 | rcCap.bottom -= nCapSize ; |
| 842 | else |
| 843 | rcCap.right -= nCapSize ; |
| 844 | } |
| 845 | |
| 846 | if (fVert) |
| 847 | { |
| 848 | rc.left = lprc->right - 1 ; |
| 849 | rc.right = lprc->right ; |
| 850 | rc.top = lprc->top ; |
| 851 | rc.bottom = lprc->bottom ; |
| 852 | } |
| 853 | else |
| 854 | { |
| 855 | rc.left = lprc->left ; |
| 856 | rc.right = lprc->right ; |
| 857 | rc.bottom = lprc->bottom ; |
| 858 | rc.top = rc.bottom - 1 ; |
| 859 | } |
| 860 | |
| 861 | SetBkColor( hDC, rgbWindowFrame ) ; |
| 862 | DRAWFASTRECT( hDC, &rc ) ; |
| 863 | |
| 864 | hbrCaption = CreateSolidBrush( rgbCaptionBG ) ; |
| 865 | hbrCaption = (HBRUSH) SelectObject( hDC, hbrCaption ) ; |
| 866 | SelectObject( hDC, (HPEN) GetStockObject( NULL_PEN ) ) ; |
| 867 | if (fVert) |
| 868 | Rectangle( hDC, rcCap.left, rcCap.top, rcCap.right, rcCap.bottom + 1 ) ; |
| 869 | else |
| 870 | Rectangle( hDC, rcCap.left, rcCap.top, rcCap.right+1, rcCap.bottom ) ; |
| 871 | hbrCaption = (HBRUSH) SelectObject( hDC, hbrCaption ) ; |
| 872 | DeleteObject( hbrCaption ) ; |
| 873 | |
| 874 | |
| 875 | // Draw caption text here. Only do it in 3.1 'cause 3.1 gives |
| 876 | // us 'small fonts'. |
| 877 | // |
| 878 | ui = GetWindowTextLength( hWnd ) ; |
| 879 | if (fWin31) |
| 880 | { |
| 881 | HFONT hFont ; |
| 882 | LPTSTR lpsz ; |
| 883 | LOGFONT lf ; |
| 884 | TEXTMETRIC tm ; |
| 885 | int cx ; |
| 886 | int cy ; |
| 887 | SIZE Size ; |
| 888 | |
| 889 | lpsz = (wxChar*)GlobalAllocPtr( GHND, (ui + 2) * sizeof(wxChar) ); |
| 890 | if (lpsz) |
| 891 | { |
| 892 | UINT nBkMode ; |
| 893 | |
| 894 | GetWindowText( hWnd, lpsz, ui + 1 ) ; |
| 895 | nBkMode = SetBkMode( hDC, TRANSPARENT ) ; |
| 896 | rgbText = SetTextColor( hDC, rgbText ) ; |
| 897 | |
| 898 | memset( &lf, '\0', sizeof(LOGFONT) ) ; |
| 899 | |
| 900 | lf.lfHeight = -(int)(nCapSize - 3) ; |
| 901 | lf.lfCharSet = ANSI_CHARSET ; |
| 902 | lf.lfQuality = DEFAULT_QUALITY ; |
| 903 | lf.lfClipPrecision = CLIP_LH_ANGLES | CLIP_STROKE_PRECIS ; |
| 904 | if (nCapSize >= 20) |
| 905 | { |
| 906 | lf.lfWeight = FW_BOLD ; |
| 907 | } |
| 908 | |
| 909 | if (fVert) |
| 910 | { |
| 911 | // Can only rotate true type fonts (well, ok, we could |
| 912 | // try and use "modern"). |
| 913 | wxStrcpy( lf.lfFaceName, wxT("Arial") ) ; |
| 914 | lf.lfPitchAndFamily = FF_SWISS | 0x04; |
| 915 | lf.lfEscapement = 900 ; |
| 916 | |
| 917 | // Note: The Win 3.1 documentation for CreateFont() say's |
| 918 | // that the lfOrientation member is ignored. It appears, |
| 919 | // that on Windows 16 3.1 this is true, but when running |
| 920 | // as a 16 bit WinApp on WindowsNT 3.1 the lfOrientation |
| 921 | // must be set or the text does not rotate! |
| 922 | // |
| 923 | lf.lfOrientation = 900 ; |
| 924 | |
| 925 | hFont = CreateFontIndirect( &lf ) ; |
| 926 | hFont = (HFONT) SelectObject( hDC, hFont ) ; |
| 927 | |
| 928 | GetTextExtentPoint( hDC, lpsz, ui, &Size ) ; |
| 929 | cx = rcCap.bottom - ((rcCap.bottom - rcCap.top - Size.cx) / 2) ; |
| 930 | cy = rcCap.left - 1 + ((rcCap.right - rcCap.left - Size.cy) / 2) ; |
| 931 | |
| 932 | // Make sure we got a rotatable font back. |
| 933 | // |
| 934 | GetTextMetrics( hDC, &tm ) ; |
| 935 | if (tm.tmPitchAndFamily & TMPF_VECTOR || |
| 936 | tm.tmPitchAndFamily & TMPF_TRUETYPE) |
| 937 | { |
| 938 | ExtTextOut( hDC, |
| 939 | cy, |
| 940 | min( (long)cx, rcCap.bottom), |
| 941 | ETO_CLIPPED, &rcCap, |
| 942 | lpsz, ui, NULL ) ; |
| 943 | } |
| 944 | |
| 945 | hFont = (HFONT) SelectObject( hDC, hFont ) ; |
| 946 | DeleteObject( hFont ) ; |
| 947 | } |
| 948 | else |
| 949 | { |
| 950 | // Use small fonts always for the horizontal. Cause it looks |
| 951 | // more like "System" than Arial. |
| 952 | // |
| 953 | lf.lfPitchAndFamily = FF_SWISS ; |
| 954 | |
| 955 | hFont = CreateFontIndirect( &lf ) ; |
| 956 | hFont = (HFONT) SelectObject( hDC, hFont ) ; |
| 957 | |
| 958 | GetTextExtentPoint( hDC, lpsz, ui, &Size ) ; |
| 959 | cx = rcCap.left + ((rcCap.right - rcCap.left - Size.cx) / 2) ; |
| 960 | cy = rcCap.top + ((rcCap.bottom - rcCap.top - Size.cy) / 2) ; |
| 961 | |
| 962 | // Figger out how big the string is |
| 963 | // |
| 964 | ExtTextOut( hDC, |
| 965 | max( (long)cx, rcCap.left ), |
| 966 | cy, |
| 967 | ETO_CLIPPED, &rcCap, |
| 968 | lpsz, ui, NULL ) ; |
| 969 | |
| 970 | hFont = (HFONT) SelectObject( hDC, hFont ) ; |
| 971 | DeleteObject( hFont ) ; |
| 972 | } |
| 973 | |
| 974 | // Unsetup the DC |
| 975 | // |
| 976 | rgbText = SetTextColor( hDC, rgbText ) ; |
| 977 | SetBkMode( hDC, nBkMode ) ; |
| 978 | |
| 979 | #ifdef __WIN16__ |
| 980 | GlobalFreePtr( (unsigned int)(DWORD) lpsz ) ; |
| 981 | #else |
| 982 | GlobalFreePtr( lpsz ) ; |
| 983 | #endif |
| 984 | } |
| 985 | } |
| 986 | |
| 987 | if (fSysMenu) |
| 988 | DrawSysMenu( hDC, hWnd, FALSE ) ; |
| 989 | |
| 990 | if (fMin) |
| 991 | DrawButton( hDC, hWnd, TRUE, FALSE ) ; |
| 992 | |
| 993 | if (fMax) |
| 994 | DrawButton( hDC, hWnd, FALSE, FALSE ) ; |
| 995 | |
| 996 | return TRUE ; |
| 997 | |
| 998 | } // DrawCaption() |
| 999 | |
| 1000 | |
| 1001 | // DrawSysMenu( HDC hDC, hWnd, BOOL fInvert ) |
| 1002 | // |
| 1003 | // Draws the little system menu icon. |
| 1004 | // |
| 1005 | void PASCAL DrawSysMenu( HDC hDC, HWND hWnd, BOOL fInvert ) |
| 1006 | { |
| 1007 | RECT rcIcon ; |
| 1008 | RECT rcTemp ; |
| 1009 | RECT rc ; |
| 1010 | COLORREF rgbIconFace ; |
| 1011 | COLORREF rgbWindowFrame ; |
| 1012 | BOOL fDC ; |
| 1013 | UINT nCapSize ; |
| 1014 | |
| 1015 | nCapSize = GETCAPTIONSIZE( hWnd ) ; |
| 1016 | |
| 1017 | if (!hDC) |
| 1018 | { |
| 1019 | fDC = TRUE ; |
| 1020 | hDC = GetWindowDC( hWnd ) ; |
| 1021 | } |
| 1022 | else |
| 1023 | fDC = FALSE ; |
| 1024 | |
| 1025 | if (hDC) |
| 1026 | { |
| 1027 | rgbIconFace = GetNearestColor( hDC, RGBLTGRAY ) ; |
| 1028 | rgbWindowFrame = GetSysColor( COLOR_WINDOWFRAME ) ; |
| 1029 | |
| 1030 | GetIconRect( hWnd, &rcIcon ) ; |
| 1031 | GetWindowRect( hWnd, &rc ) ; |
| 1032 | |
| 1033 | OffsetRect( &rcIcon, -rc.left, -rc.top ) ; |
| 1034 | |
| 1035 | rcTemp = rcIcon ; |
| 1036 | |
| 1037 | if (TestWinStyle( hWnd, IBS_VERTCAPTION )) |
| 1038 | { |
| 1039 | rc = rcIcon ; // separator line |
| 1040 | rc.top = ++rc.bottom - 1 ; |
| 1041 | } |
| 1042 | else |
| 1043 | { |
| 1044 | rc = rcIcon ; // separator line |
| 1045 | rc.left = ++rc.right - 1 ; |
| 1046 | } |
| 1047 | |
| 1048 | // Fill |
| 1049 | SetBkColor( hDC, rgbIconFace ) ; |
| 1050 | DRAWFASTRECT( hDC, &rcTemp ) ; |
| 1051 | |
| 1052 | // Draw separator line |
| 1053 | SetBkColor( hDC, rgbWindowFrame ) ; |
| 1054 | DRAWFASTRECT( hDC, &rc ) ; |
| 1055 | |
| 1056 | if (nCapSize > 4) |
| 1057 | { |
| 1058 | // Draw the little horizontal doo-hickey |
| 1059 | // |
| 1060 | rcTemp.top = rcIcon.top + ((nCapSize-1) / 2) ; |
| 1061 | rcTemp.bottom = rcTemp.top + 3 ; |
| 1062 | rcTemp.left = rcTemp.left + 3 ; |
| 1063 | rcTemp.right = rcTemp.right - 1 ; |
| 1064 | |
| 1065 | SetBkColor( hDC, RGBGRAY ) ; |
| 1066 | DRAWFASTRECT( hDC, &rcTemp ) ; |
| 1067 | |
| 1068 | rc = rcTemp ; |
| 1069 | OffsetRect( &rc, -1, -1 ) ; |
| 1070 | SetBkColor( hDC, RGBBLACK ) ; |
| 1071 | DRAWFASTRECT( hDC, &rc ) ; |
| 1072 | |
| 1073 | InflateRect( &rc, -1, -1 ) ; |
| 1074 | SetBkColor( hDC, RGBWHITE ) ; |
| 1075 | DRAWFASTRECT( hDC, &rc ) ; |
| 1076 | } |
| 1077 | |
| 1078 | if (fInvert) |
| 1079 | InvertRect( hDC, &rcIcon ) ; |
| 1080 | |
| 1081 | if (fDC) |
| 1082 | ReleaseDC( hWnd, hDC ) ; |
| 1083 | } |
| 1084 | |
| 1085 | } // DrawSysMenu() |
| 1086 | |
| 1087 | // DoMenu( HWND hWnd ) |
| 1088 | // |
| 1089 | // Pops up the system menu. |
| 1090 | // |
| 1091 | BOOL PASCAL DoMenu( HWND hWnd ) |
| 1092 | { |
| 1093 | HDC hDC ; |
| 1094 | RECT rcIcon ; |
| 1095 | RECT rc ; |
| 1096 | POINT pt ; |
| 1097 | HMENU hMenu ; |
| 1098 | DWORD dw ; |
| 1099 | |
| 1100 | if (!TestWinStyle(hWnd, WS_SYSMENU)) |
| 1101 | return FALSE ; |
| 1102 | |
| 1103 | hDC = GetWindowDC( hWnd ); |
| 1104 | if (hDC) |
| 1105 | { |
| 1106 | // Invert the icon |
| 1107 | // |
| 1108 | DrawSysMenu( hDC, hWnd, TRUE ) ; |
| 1109 | |
| 1110 | // Pop up the menu |
| 1111 | // |
| 1112 | if (TestWinStyle( hWnd, IBS_VERTCAPTION )) |
| 1113 | { |
| 1114 | pt.x = -1 ; |
| 1115 | pt.y = 0 ; |
| 1116 | } |
| 1117 | else |
| 1118 | { |
| 1119 | pt.x = 0 ; |
| 1120 | pt.y = -1 ; |
| 1121 | } |
| 1122 | |
| 1123 | GetIconRect( hWnd, &rcIcon ) ; |
| 1124 | GetWindowRect( hWnd, &rc ) ; |
| 1125 | OffsetRect( &rcIcon, -rc.left, -rc.top ) ; |
| 1126 | |
| 1127 | ClientToScreen( hWnd, &pt ) ; |
| 1128 | ClientToScreen( hWnd, (LPPOINT)&rc.right ) ; |
| 1129 | |
| 1130 | dw = GetWindowLong( hWnd, GWL_STYLE ) ; |
| 1131 | SetWindowLong( hWnd, GWL_STYLE, dw | WS_SYSMENU ) ; |
| 1132 | |
| 1133 | hMenu = GetSystemMenu( hWnd, FALSE ) ; |
| 1134 | SetupSystemMenu( hWnd, hMenu ) ; |
| 1135 | |
| 1136 | SetWindowLong( hWnd, GWL_STYLE, dw ) ; |
| 1137 | |
| 1138 | TrackPopupMenu( hMenu, 0, //TPM_LEFTALIGN, |
| 1139 | pt.x, |
| 1140 | pt.y, |
| 1141 | 0, |
| 1142 | hWnd, |
| 1143 | &rc ) ; |
| 1144 | |
| 1145 | DrawSysMenu( hDC, hWnd, FALSE ) ; |
| 1146 | ReleaseDC( hWnd, hDC ) ; |
| 1147 | } |
| 1148 | return TRUE ; |
| 1149 | |
| 1150 | } // DoMenu() |
| 1151 | |
| 1152 | // SetupSystemMenu( HWND hWnd, HMENU hMenu ) |
| 1153 | // |
| 1154 | // Enables/Disables the appropriate menu items on the |
| 1155 | // menu passed for the window passed. |
| 1156 | // |
| 1157 | void PASCAL SetupSystemMenu( HWND hWnd, HMENU hMenu ) |
| 1158 | { |
| 1159 | UINT wMove ; |
| 1160 | UINT wSize ; |
| 1161 | UINT wMinBox ; |
| 1162 | UINT wMaxBox ; |
| 1163 | UINT wRestore ; |
| 1164 | |
| 1165 | // Assume all should be grayed. |
| 1166 | // |
| 1167 | wSize = wMove = wMinBox = wMaxBox = wRestore = MF_GRAYED ; |
| 1168 | |
| 1169 | if (TestWinStyle( hWnd, WS_MAXIMIZEBOX ) || IsIconic( hWnd )) |
| 1170 | wMaxBox = MF_ENABLED ; |
| 1171 | |
| 1172 | if (TestWinStyle( hWnd, WS_MINIMIZEBOX )) |
| 1173 | wMinBox = MF_ENABLED ; |
| 1174 | |
| 1175 | if (IsZoomed( hWnd )) |
| 1176 | wRestore = MF_ENABLED ; |
| 1177 | |
| 1178 | if (TestWinStyle( hWnd, WS_THICKFRAME ) && |
| 1179 | !(IsIconic( hWnd ) || IsZoomed( hWnd ))) |
| 1180 | wSize = MF_ENABLED ; |
| 1181 | |
| 1182 | if (!IsZoomed( hWnd ) && |
| 1183 | !IsIconic( hWnd ) && |
| 1184 | TestWinStyle( hWnd, WS_CAPTION ) ) |
| 1185 | wMove = MF_ENABLED ; |
| 1186 | |
| 1187 | EnableMenuItem( hMenu, SC_MOVE, wMove ) ; |
| 1188 | EnableMenuItem( hMenu, SC_SIZE, wSize ) ; |
| 1189 | EnableMenuItem( hMenu, SC_MINIMIZE, wMinBox ) ; |
| 1190 | EnableMenuItem( hMenu, SC_MAXIMIZE, wMaxBox ) ; |
| 1191 | EnableMenuItem( hMenu, SC_RESTORE, wRestore ) ; |
| 1192 | |
| 1193 | } // SetupSystemMenu() |
| 1194 | |
| 1195 | // GetCaptionRect( HWND hWnd, LPRECT lprc ) |
| 1196 | // |
| 1197 | // calcluales the rectangle of the mini-caption in screen coords. |
| 1198 | // |
| 1199 | BOOL PASCAL GetCaptionRect( HWND hWnd, LPRECT lprc ) |
| 1200 | { |
| 1201 | UINT nCapSize ; |
| 1202 | |
| 1203 | nCapSize = GETCAPTIONSIZE( hWnd ) ; |
| 1204 | |
| 1205 | if (!HASCAPTION( hWnd )) |
| 1206 | { |
| 1207 | SetRectEmpty( lprc ) ; |
| 1208 | return FALSE ; |
| 1209 | } |
| 1210 | |
| 1211 | GetWindowRect( hWnd, lprc ) ; |
| 1212 | |
| 1213 | // the window might have other non-client components like |
| 1214 | // borders |
| 1215 | // |
| 1216 | if (TestWinStyle( hWnd, WS_THICKFRAME )) |
| 1217 | { |
| 1218 | lprc->left += GetSystemMetrics( SM_CXFRAME ) ; |
| 1219 | lprc->top += GetSystemMetrics( SM_CYFRAME ) ; |
| 1220 | lprc->right -= GetSystemMetrics( SM_CXFRAME ) ; |
| 1221 | lprc->bottom -= GetSystemMetrics( SM_CYFRAME ) ; |
| 1222 | } |
| 1223 | else |
| 1224 | if (TestWinStyle( hWnd, DS_MODALFRAME )) // if it's a dialog box |
| 1225 | { |
| 1226 | lprc->left += GetSystemMetrics( SM_CXDLGFRAME ) + GetSystemMetrics( SM_CXBORDER ) ; |
| 1227 | lprc->top += GetSystemMetrics( SM_CYDLGFRAME ) + GetSystemMetrics( SM_CYBORDER ) ; |
| 1228 | lprc->right -= GetSystemMetrics( SM_CXDLGFRAME ) + GetSystemMetrics( SM_CXBORDER ) ; |
| 1229 | lprc->bottom -= GetSystemMetrics( SM_CYDLGFRAME ) + GetSystemMetrics( SM_CYBORDER ) ; |
| 1230 | } |
| 1231 | else |
| 1232 | if (TestWinStyle( hWnd, WS_BORDER )) |
| 1233 | { |
| 1234 | lprc->left += GetSystemMetrics( SM_CXBORDER ) ; |
| 1235 | lprc->top += GetSystemMetrics( SM_CYBORDER ) ; |
| 1236 | lprc->right -= GetSystemMetrics( SM_CXBORDER ) ; |
| 1237 | lprc->bottom -= GetSystemMetrics( SM_CYBORDER ) ; |
| 1238 | } |
| 1239 | |
| 1240 | if (TestWinStyle( hWnd, IBS_VERTCAPTION )) |
| 1241 | lprc->right = lprc->left + nCapSize ; |
| 1242 | else |
| 1243 | lprc->bottom = lprc->top + nCapSize ; |
| 1244 | |
| 1245 | return TRUE ; |
| 1246 | } // GetCaptionRect() |
| 1247 | |
| 1248 | // GetIconRect( HWND hWnd, LPRECT lprc ) |
| 1249 | // |
| 1250 | // Calculates the rect of the icon in screen coordinates. |
| 1251 | // |
| 1252 | BOOL PASCAL GetIconRect( HWND hWnd, LPRECT lprc ) |
| 1253 | { |
| 1254 | UINT nCapSize ; |
| 1255 | BOOL fMenu, fVert ; |
| 1256 | |
| 1257 | fMenu= TestWinStyle( hWnd, WS_SYSMENU ) ; |
| 1258 | fVert = TestWinStyle( hWnd, IBS_VERTCAPTION ) ; |
| 1259 | |
| 1260 | if (!GetCaptionRect( hWnd, lprc )) // window coords |
| 1261 | return FALSE ; |
| 1262 | |
| 1263 | if (!fMenu) |
| 1264 | { |
| 1265 | SetRectEmpty( lprc ) ; |
| 1266 | return FALSE ; |
| 1267 | } |
| 1268 | |
| 1269 | nCapSize = GETCAPTIONSIZE( hWnd ) ; |
| 1270 | |
| 1271 | if (fVert) |
| 1272 | lprc->bottom = lprc->top + nCapSize ; |
| 1273 | else |
| 1274 | lprc->right = lprc->left + nCapSize ; |
| 1275 | |
| 1276 | lprc->bottom-- ; |
| 1277 | lprc->right-- ; |
| 1278 | |
| 1279 | return TRUE ; |
| 1280 | |
| 1281 | } // GetIconRect() |
| 1282 | |
| 1283 | // GetMinButtonRect() |
| 1284 | // |
| 1285 | // Calculates the rect of the minimize button in screen |
| 1286 | // coordinates. |
| 1287 | // |
| 1288 | // For horizontal captions, we have the following situation ('Y' is minimize |
| 1289 | // and '^' is maximize or restore): |
| 1290 | // |
| 1291 | // +---------------------------------+ |
| 1292 | // | - | | Y | ^ | |
| 1293 | // +---------------------------------+ |
| 1294 | // | |.......| <-- This is the width (nSize) |
| 1295 | // |
| 1296 | // For vertical captions, we have the following: |
| 1297 | // |
| 1298 | // | | |
| 1299 | // | | |
| 1300 | // | | |
| 1301 | // | | |
| 1302 | // | | |
| 1303 | // | | |
| 1304 | // |--|-- |
| 1305 | // | Y| . |
| 1306 | // |--| . <-- This is the height of the rectangle (nSize) |
| 1307 | // | ^| . |
| 1308 | // +--+-- |
| 1309 | // |
| 1310 | // In order to figure out where the minimize button goes, we first need |
| 1311 | // to know if there is a maximize button. If so, use GetMaxButtonRect() |
| 1312 | // to place... |
| 1313 | // |
| 1314 | BOOL PASCAL GetMinButtonRect( HWND hWnd, LPRECT lprc ) |
| 1315 | { |
| 1316 | if (!TestWinStyle( hWnd, WS_MINIMIZEBOX )) |
| 1317 | { |
| 1318 | SetRectEmpty( lprc ) ; |
| 1319 | return FALSE ; |
| 1320 | } |
| 1321 | |
| 1322 | // The minimize button can be in either position 1 or 2. If there |
| 1323 | // is a maximize button, it's in position 2. |
| 1324 | // |
| 1325 | if (TestWinStyle( hWnd, WS_MAXIMIZEBOX )) |
| 1326 | return GetButtonRect( hWnd, 2, lprc ) ; |
| 1327 | else |
| 1328 | return GetButtonRect( hWnd, 1, lprc ) ; |
| 1329 | } |
| 1330 | |
| 1331 | // GetMaxButtonRect() |
| 1332 | // |
| 1333 | // Calculates the rect of the maximize button in screen |
| 1334 | // coordinates. |
| 1335 | // |
| 1336 | // The maximize button, if present, is always to the far right |
| 1337 | // or bottom. |
| 1338 | // |
| 1339 | BOOL PASCAL GetMaxButtonRect( HWND hWnd, LPRECT lprc ) |
| 1340 | { |
| 1341 | //The maximize button can only be in position 1. |
| 1342 | // |
| 1343 | if (TestWinStyle( hWnd, WS_MAXIMIZEBOX )) |
| 1344 | return GetButtonRect( hWnd, 1, lprc ) ; |
| 1345 | else |
| 1346 | { |
| 1347 | SetRectEmpty( lprc ) ; |
| 1348 | return FALSE ; |
| 1349 | } |
| 1350 | } |
| 1351 | |
| 1352 | // Get the rect where a button would go. |
| 1353 | // |
| 1354 | // This function does not care if it's a min or max, just whether |
| 1355 | // it is the first from the right/bottom or second from the right/bottom |
| 1356 | // and so on.. |
| 1357 | // |
| 1358 | BOOL PASCAL GetButtonRect( HWND hWnd, UINT nPos, LPRECT lprc ) |
| 1359 | { |
| 1360 | UINT nSize = 0 ; |
| 1361 | |
| 1362 | if (!GetCaptionRect( hWnd, lprc )) //window coords |
| 1363 | return FALSE ; |
| 1364 | |
| 1365 | nSize = GETCAPTIONSIZE( hWnd ) ; |
| 1366 | |
| 1367 | if (TestWinStyle( hWnd, IBS_VERTCAPTION )) |
| 1368 | { |
| 1369 | lprc->bottom -= nSize * (nPos-1) ; |
| 1370 | lprc->top = lprc->bottom - nSize + 1 ; |
| 1371 | } |
| 1372 | else |
| 1373 | { |
| 1374 | lprc->right -= nSize * (nPos-1) ; |
| 1375 | lprc->left = lprc->right - nSize + 1 ; |
| 1376 | } |
| 1377 | |
| 1378 | return TRUE ; |
| 1379 | } // GetButtonRect() |
| 1380 | |
| 1381 | // DrawButton( HDC hDC, HWND hWnd, BOOL fMin, BOOL fDepressed ) |
| 1382 | // |
| 1383 | // Draws either the min, max, or restore buttons. If fMin is FALSE then it |
| 1384 | // will draw either the Max or Restore button. If fDepressed is TRUE it will |
| 1385 | // draw the button in a down state. |
| 1386 | // |
| 1387 | void PASCAL DrawButton( HDC hDC, HWND hWnd, BOOL fMin, BOOL fDepressed) |
| 1388 | { |
| 1389 | RECT rcButton ; |
| 1390 | RECT rc ; |
| 1391 | COLORREF rgbWindowFrame ; |
| 1392 | BOOL fDC ; |
| 1393 | UINT nCapSize ; |
| 1394 | UINT nOffset ; |
| 1395 | int n ; |
| 1396 | |
| 1397 | nCapSize = GETCAPTIONSIZE( hWnd ) ; |
| 1398 | |
| 1399 | // If you look at the standard Windows' min/max buttons, you will notice |
| 1400 | // that they have two pixels of 'shadow' to the bottom and right. Since |
| 1401 | // our buttons can be really, really small, we only want one pixel of |
| 1402 | // shadow when they are small. I arbitrarily decided that if the |
| 1403 | // caption size is greater than or equal to 20 we will use two |
| 1404 | // pixels. That's what this THREASHOLD stuff does. |
| 1405 | // |
| 1406 | #define THRESHOLD 20 |
| 1407 | nOffset = (nCapSize >= THRESHOLD) ? 2 : 1 ; |
| 1408 | |
| 1409 | if (!hDC) |
| 1410 | { |
| 1411 | fDC = TRUE ; |
| 1412 | hDC = GetWindowDC( hWnd ) ; |
| 1413 | } |
| 1414 | else |
| 1415 | fDC = FALSE ; |
| 1416 | |
| 1417 | if (hDC) |
| 1418 | { |
| 1419 | rgbWindowFrame = GetSysColor( COLOR_WINDOWFRAME ) ; |
| 1420 | |
| 1421 | if (fMin) |
| 1422 | GetMinButtonRect( hWnd, &rcButton ) ; |
| 1423 | else |
| 1424 | GetMaxButtonRect( hWnd, &rcButton ) ; |
| 1425 | |
| 1426 | GetWindowRect( hWnd, &rc ) ; |
| 1427 | OffsetRect( &rcButton, -rc.left, -rc.top ) ; |
| 1428 | |
| 1429 | rc = rcButton ; |
| 1430 | if (TestWinStyle( hWnd, IBS_VERTCAPTION )) |
| 1431 | { |
| 1432 | rc = rcButton ; //separator line |
| 1433 | rc.bottom = --rc.top + 1 ; |
| 1434 | rcButton.right-- ; |
| 1435 | } |
| 1436 | else |
| 1437 | { |
| 1438 | rc = rcButton ; //separator line |
| 1439 | rc.right = --rc.left + 1 ; |
| 1440 | rcButton.bottom-- ; |
| 1441 | } |
| 1442 | |
| 1443 | //Draw separator line |
| 1444 | SetBkColor( hDC, rgbWindowFrame ) ; |
| 1445 | DRAWFASTRECT( hDC, &rc ) ; |
| 1446 | |
| 1447 | //Fill |
| 1448 | SetBkColor( hDC, RGBLTGRAY ) ; |
| 1449 | DRAWFASTRECT( hDC, &rcButton ) ; |
| 1450 | |
| 1451 | if (!fDepressed) |
| 1452 | { |
| 1453 | //The normal min/max buttons have one pixel on the top and left |
| 1454 | //sides for the highlight, and two pixels on the bottom and |
| 1455 | //right side for the shadow. |
| 1456 | // |
| 1457 | //When our caption is 'small' we only use one pixel on all |
| 1458 | //sides. |
| 1459 | // |
| 1460 | SetBkColor( hDC, RGBWHITE ) ; |
| 1461 | //Draw left side |
| 1462 | rc = rcButton ; |
| 1463 | rc.right = rc.left + 1 ; |
| 1464 | DRAWFASTRECT( hDC, &rc ) ; |
| 1465 | |
| 1466 | //Draw Top |
| 1467 | rc = rcButton ; |
| 1468 | rc.bottom = rc.top + 1 ; |
| 1469 | DRAWFASTRECT( hDC, &rc ) ; |
| 1470 | |
| 1471 | SetBkColor( hDC, RGBGRAY ) ; |
| 1472 | //Draw right side |
| 1473 | rc = rcButton ; |
| 1474 | rc.left = rc.right - 1 ; |
| 1475 | DRAWFASTRECT( hDC, &rc ) ; |
| 1476 | if (nCapSize > THRESHOLD) |
| 1477 | { |
| 1478 | rc.left-- ; |
| 1479 | rc.top++ ; |
| 1480 | DRAWFASTRECT( hDC, &rc ) ; |
| 1481 | } |
| 1482 | |
| 1483 | //Draw bottom |
| 1484 | rc = rcButton ; |
| 1485 | rc.top = rc.bottom - 1 ; |
| 1486 | DRAWFASTRECT( hDC, &rc ) ; |
| 1487 | if (nCapSize > THRESHOLD) |
| 1488 | { |
| 1489 | rc.top-- ; |
| 1490 | rc.left++ ; |
| 1491 | DRAWFASTRECT( hDC, &rc ) ; |
| 1492 | } |
| 1493 | |
| 1494 | rcButton.left++ ; |
| 1495 | rcButton.top++ ; |
| 1496 | rcButton.right -= nOffset ; |
| 1497 | rcButton.bottom -= nOffset ; |
| 1498 | } |
| 1499 | else |
| 1500 | { |
| 1501 | //Draw depressed state |
| 1502 | |
| 1503 | SetBkColor( hDC, RGBGRAY ) ; |
| 1504 | //Draw left side |
| 1505 | rc = rcButton ; |
| 1506 | rc.right = rc.left + nOffset ; |
| 1507 | DRAWFASTRECT( hDC, &rc ) ; |
| 1508 | |
| 1509 | //Draw Top |
| 1510 | rc = rcButton ; |
| 1511 | rc.bottom = rc.top + nOffset ; |
| 1512 | DRAWFASTRECT( hDC, &rc ) ; |
| 1513 | |
| 1514 | rcButton.left += 2 * nOffset ; |
| 1515 | rcButton.top += 2 * nOffset ; |
| 1516 | } |
| 1517 | |
| 1518 | // Now draw the arrows. We do not want the |
| 1519 | // arrows to grow too large when we have a bigger than |
| 1520 | // normal caption, so we restrict their size. |
| 1521 | // |
| 1522 | // rcButton now represents where we can place our |
| 1523 | // arrows. |
| 1524 | // |
| 1525 | // The maximum size of our arrows (i.e. the width of rcButton) |
| 1526 | // has been empirically determined to be SM_CYCAPTION / 2 |
| 1527 | // |
| 1528 | n = ((GetSystemMetrics( SM_CYCAPTION )) / 2) - |
| 1529 | (rcButton.right - rcButton.left) ; |
| 1530 | if (n < 1) |
| 1531 | InflateRect( &rcButton, n/2-1, n/2-1 ) ; |
| 1532 | |
| 1533 | if (fMin) |
| 1534 | DrawArrow( hDC, &rcButton, ARROW_DOWN ) ; |
| 1535 | else |
| 1536 | if (IsZoomed( hWnd )) |
| 1537 | { |
| 1538 | DrawArrow( hDC, &rcButton, ARROW_RESTORE ) ; |
| 1539 | } |
| 1540 | else |
| 1541 | DrawArrow( hDC, &rcButton, ARROW_UP ) ; |
| 1542 | |
| 1543 | if (fDC) |
| 1544 | ReleaseDC( hWnd, hDC ) ; |
| 1545 | } |
| 1546 | |
| 1547 | } // DrawButton() |
| 1548 | |
| 1549 | |
| 1550 | // DrawArrow |
| 1551 | // |
| 1552 | // Draws either a up or down arrow. The arrow is bound by the rectangle |
| 1553 | // |
| 1554 | void PASCAL DrawArrow( HDC hdc, LPRECT lprc, UINT uiStyle ) |
| 1555 | { |
| 1556 | int row ; |
| 1557 | int xTip ; |
| 1558 | int yTip ; |
| 1559 | RECT rc ; |
| 1560 | int nMax = (lprc->bottom - lprc->top) >> 1 ; |
| 1561 | |
| 1562 | SetBkColor( hdc, RGBBLACK ) ; |
| 1563 | |
| 1564 | // We draw the arrow by drawing a series of horizontal lines |
| 1565 | // |
| 1566 | xTip = lprc->left + ((lprc->right - lprc->left+1) >> 1) ; |
| 1567 | switch (uiStyle) |
| 1568 | { |
| 1569 | case ARROW_UP: |
| 1570 | yTip = lprc->top + ((lprc->bottom - lprc->top-1) >> 2) ; |
| 1571 | for (row = 1 ; row <= nMax ; row++ ) |
| 1572 | { |
| 1573 | rc.left = xTip - row ; |
| 1574 | rc.right = xTip + row - 1 ; |
| 1575 | rc.top = yTip + row ; |
| 1576 | rc.bottom = rc.top + 1 ; |
| 1577 | DRAWFASTRECT( hdc, &rc ) ; |
| 1578 | } |
| 1579 | break ; |
| 1580 | |
| 1581 | case ARROW_DOWN: |
| 1582 | yTip = lprc->bottom - ((lprc->bottom - lprc->top-1) >> 2) ; |
| 1583 | for ( row = nMax ; row > 0 ; row-- ) |
| 1584 | { |
| 1585 | rc.left = xTip - row ; |
| 1586 | rc.right = xTip + row - 1 ; |
| 1587 | rc.top = yTip - row ; |
| 1588 | rc.bottom = rc.top + 1 ; |
| 1589 | DRAWFASTRECT( hdc, &rc ) ; |
| 1590 | } |
| 1591 | break ; |
| 1592 | |
| 1593 | case ARROW_RESTORE: |
| 1594 | default: |
| 1595 | yTip = lprc->top + ((lprc->bottom - lprc->top-1) >> 3) - 2; |
| 1596 | for (row = 1 ; row <= nMax ; row++ ) |
| 1597 | { |
| 1598 | rc.left = xTip - row ; |
| 1599 | rc.right = xTip + row - 1 ; |
| 1600 | rc.top = yTip + row ; |
| 1601 | rc.bottom = rc.top + 1 ; |
| 1602 | DRAWFASTRECT( hdc, &rc ) ; |
| 1603 | } |
| 1604 | |
| 1605 | yTip += (nMax+1) * 2 ; |
| 1606 | for ( row = nMax ; row > 0 ; row-- ) |
| 1607 | { |
| 1608 | rc.left = xTip - row ; |
| 1609 | rc.right = xTip + row - 1 ; |
| 1610 | rc.top = yTip - row ; |
| 1611 | rc.bottom = rc.top + 1 ; |
| 1612 | DRAWFASTRECT( hdc, &rc ) ; |
| 1613 | } |
| 1614 | break ; |
| 1615 | } |
| 1616 | |
| 1617 | } // DrawArrow() |
| 1618 | |
| 1619 | #endif // wxUSE_ITSY_BITSY |
| 1620 | |
| 1621 | #endif // __WIN32__ |