X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/fd3f686c274a264e89ea97505350a82c1134f307..1a97976a450be36d74d20bd85a314d724c83ac8a:/src/msw/minifram.cpp?ds=inline diff --git a/src/msw/minifram.cpp b/src/msw/minifram.cpp index c8c1ad14b5..5180dd713d 100644 --- a/src/msw/minifram.cpp +++ b/src/msw/minifram.cpp @@ -5,11 +5,11 @@ // Modified by: // Created: 04/01/98 // RCS-ID: $Id$ -// Copyright: (c) Julian Smart and Markus Holzem -// Licence: wxWindows license +// Copyright: (c) Julian Smart +// Licence: wxWindows licence ///////////////////////////////////////////////////////////////////////////// -#ifdef __GNUG__ +#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA) #pragma implementation "minifram.h" #endif @@ -21,1581 +21,9 @@ #endif #ifndef WX_PRECOMP -#include "wx/setup.h" -#include "wx/app.h" -#include "wx/utils.h" #endif -#if wxUSE_ITSY_BITSY - #include "wx/minifram.h" -#include "wx/msw/private.h" - -#ifdef __GNUWIN32__ -#include "wx/msw/gnuwin32/extra.h" -#endif -#if !USE_SHARED_LIBRARY IMPLEMENT_DYNAMIC_CLASS(wxMiniFrame, wxFrame) -#endif - -long wxMiniFrame::MSWDefWindowProc(WXUINT nMsg, WXWPARAM wParam, WXLPARAM lParam) -{ - if ((GetWindowStyleFlag() & wxTINY_CAPTION_HORIZ) || - (GetWindowStyleFlag() & wxTINY_CAPTION_VERT)) - return ::ibDefWindowProc((HWND) GetHWND(), nMsg, wParam, lParam); - else if ( m_oldWndProc ) - return ::CallWindowProc(CASTWNDPROC m_oldWndProc, (HWND) GetHWND(), (UINT) nMsg, (WPARAM) wParam, (LPARAM) lParam); - else - return ::DefWindowProc((HWND) GetHWND(), nMsg, wParam, lParam); -} - -wxMiniFrame::~wxMiniFrame(void) -{ -} - -///////////////////////////////////////////////////////////////////////// -// -// Project: ItsyBitsy window support module -// Module: itsybits.c -// -// -// ItsyBitsy is a support module that allows you to create windows -// that look and act very much like a popup window witha system -// menu and caption bar, except everything is scaled to about 2/3 -// scale. -// -// For documentation on how to use ItsyBits, read the document -// ITSYBITS.DOC. -// -// Revisions: -// 9/27/91 Charlie Kindel (cek/ckindel) -// Wrote and documented it. -// -// 1/14/93 cek -// 2/23/93 cek Added minimize/maximize buttons. -// 3/18/93 cek Fixed system menu bug where system menu -// popped back up if you clicked on the -// icon again while it was up. -// 3/24/93 cek More comments. Fixed DS_MODALDIALOG style -// problem. Use auto precompiled headers -// in MSVC. -// -////////////////////////////////////////////////////////////////////////// - -#include -#include - -#include - -#ifndef __WATCOMC__ -#include -#endif - -#include - -#ifndef _RGB_H_ -#define _RGB_H_ - - // Some mildly useful macros for the standard 16 colors - #define RGBBLACK RGB(0,0,0) - #define RGBRED RGB(128,0,0) - #define RGBGREEN RGB(0,128,0) - #define RGBBLUE RGB(0,0,128) - - #define RGBBROWN RGB(128,128,0) - #define RGBMAGENTA RGB(128,0,128) - #define RGBCYAN RGB(0,128,128) - #define RGBLTGRAY RGB(192,192,192) - - #define RGBGRAY RGB(128,128,128) - #define RGBLTRED RGB(255,0,0) - #define RGBLTGREEN RGB(0,255,0) - #define RGBLTBLUE RGB(0,0,255) - - #define RGBYELLOW RGB(255,255,0) - #define RGBLTMAGENTA RGB(255,0,255) - #define RGBLTCYAN RGB(0,255,255) - #define RGBWHITE RGB(255,255,255) -#endif - -#ifndef GlobalAllocPtr -#define GlobalPtrHandle(lp) \ - ((HGLOBAL)GlobalHandle(lp)) - -#define GlobalLockPtr(lp) \ - ((BOOL)GlobalLock(GlobalPtrHandle(lp))) -#define GlobalUnlockPtr(lp) \ - GlobalUnlock(GlobalPtrHandle(lp)) - -#define GlobalAllocPtr(flags, cb) \ - (GlobalLock(GlobalAlloc((flags), (cb)))) -#define GlobalReAllocPtr(lp, cbNew, flags) \ - (GlobalUnlockPtr(lp), GlobalLock(GlobalReAlloc(GlobalPtrHandle(lp) , (cbNew), (flags)))) -#define GlobalFreePtr(lp) \ - (GlobalUnlockPtr(lp), (BOOL)GlobalFree(GlobalPtrHandle(lp))) -#endif - -#if defined(__BORLANDC__) || defined(__WATCOMC__) -#define max(a,b) (((a) > (b)) ? (a) : (b)) -#define min(a,b) (((a) < (b)) ? (a) : (b)) -#endif - -// CAPTIONXY is the default size of the system menu icon. This -// determines the height/width of the caption. -// -// The value that results from the following formula works out -// nicely for the veritcal caption on VGA, 8514 (Large Fonts), -// 8514 (Small Fonts), XGA (Small Fonts), XGA (Large Fonts), -// and TIGA (Small Fonts). It may not be good on other displays. -// -// The problem is that TT fonts turn into bitmap fonts when they -// are sized below a certain threshold. The idea is to make the -// size of the caption just big enough to get the smallest TT -// (scalable) font to fit. -// -#define CAPTIONXY (GetSystemMetrics( SM_CYCAPTION ) / 2 + 1) - -#define TestWinStyle( hWnd, dwStyleBit ) \ - (((DWORD)GetWindowLong( hWnd, GWL_STYLE ) & (DWORD)dwStyleBit) ? TRUE : FALSE ) -#define HASCAPTION( hwnd ) (TestWinStyle( hwnd, IBS_VERTCAPTION ) ||\ - TestWinStyle( hwnd, IBS_HORZCAPTION )) - -#define SETCAPTIONSIZE(h,i) (UINT)SetProp(h,"ibSize",(HANDLE)i) -#define GETCAPTIONSIZE(h) (UINT)GetProp(h,"ibSize") -#define FREECAPTIONSIZE(h) RemoveProp(h,"ibSize") - -#define SETMENUWASUPFLAG(h,i) (UINT)SetProp(h,"ibFlag",(HANDLE)i) -#define GETMENUWASUPFLAG(h) (UINT)GetProp(h,"ibFlag") -#define FREEMENUWASUPFLAG(h) RemoveProp(h,"ibFlag") - -///////////////////////////////////////////////////////////////////// -// Little known fact: -// ExtTextOut() is the fastest way to draw a filled rectangle -// in Windows (if you don't want dithered colors or borders). -// -// Unfortunately there is a bug in the Windows 3.0 8514 driver -// in using ExtTextOut() to a memory DC. If you are drawing -// to an off screen bitmap, then blitting that bitmap to the -// display, do not #define wxUSE_EXTTEXTOUT below. -// -// The following macro (DRAWFASTRECT) draws a filled rectangle -// with no border and a solid color. It uses the current back- -// ground color as the fill color. -////////////////////////////////////////////////////////////////////// -#define wxUSE_EXTTEXTOUT -#ifdef wxUSE_EXTTEXTOUT - #define DRAWFASTRECT(hdc,lprc) ExtTextOut(hdc,0,0,ETO_OPAQUE,lprc,NULL,0,NULL) -#else - #define DRAWFASTRECT(hdc,lprc) {\ - HBRUSH hbr = CreateSolidBrush( GetBkColor( hdc ) ) ;\ - hbr = SelectObject(hdc, hbr) ;\ - PatBlt(hdc,(lprc)->left,(lprc)->top,(lprc)->right-(lprc)->left,(lprc)->bottom-(lprc)->top,PATCOPY) ;\ - hbr = SelectObject(hdc, hbr) ;\ - DeleteObject( hbr ) ;\ - } -#endif - -// The DrawArrow function takes the following to indicate what -// kind of arrow to draw. -// -#define ARROW_UP 0 -#define ARROW_DOWN 1 -#define ARROW_RESTORE 2 - -BOOL PASCAL DepressMinMaxButton( HWND hWnd, UINT uiHT, LPRECT ) ; -BOOL PASCAL DoMenu( HWND hWnd ) ; -void PASCAL SetupSystemMenu( HWND hWnd, HMENU hMenu ) ; -BOOL PASCAL GetCaptionRect( HWND hWnd, LPRECT lprc ) ; -BOOL PASCAL GetIconRect( HWND hWnd, LPRECT lprc ) ; -BOOL PASCAL GetButtonRect( HWND hWnd, UINT nPos, LPRECT lprc ) ; -BOOL PASCAL GetMinButtonRect( HWND hWnd, LPRECT lprc ) ; -BOOL PASCAL GetMaxButtonRect( HWND hWnd, LPRECT lprc ) ; -BOOL PASCAL DrawCaption( HDC hDC, HWND hWnd, LPRECT lprc, - BOOL fVert, BOOL fSysMenu, - BOOL fMin, BOOL fMax, BOOL fActive ) ; -void PASCAL DrawSysMenu( HDC hDC, HWND hWnd, BOOL fInvert ) ; -void PASCAL DrawButton( HDC hDC, HWND hWnd, BOOL fMin, BOOL fDepressed ) ; -void PASCAL DrawArrow( HDC hdc, LPRECT lprc, UINT uiStyle ) ; - -// Global vars -// -static BOOL fWin31 ; - -/////////////////////////////////////////////////////////////////////// -// External/Public functions -/////////////////////////////////////////////////////////////////////// - -///////////////////////////////////////////////////////////////// -// UINT WINAPI ibGetCaptionSize( HWND hWnd ) -// -// Description: -// -// Gets the size of the caption (height if horz, width if -// vertical). -// -// Comments: -// -/////////////////////////////////////////////////////////////// -UINT WINAPI ibGetCaptionSize( HWND hWnd ) -{ - return GETCAPTIONSIZE( hWnd ) + 1 ; -} // ibSetCaptionSize() - -///////////////////////////////////////////////////////////////// -// UINT WINAPI ibSetCaptionSize( HWND hWnd, UINT nSize ) -// -// Description: -// -// Changes the size of the caption (height if horz, width if -// vertical). -// -// Comments: -// -////////////////////////////////////////////////////////////////// -UINT WINAPI ibSetCaptionSize( HWND hWnd, UINT nSize ) -{ - UINT ui ; - - if (nSize <= 0) - return 0 ; - - nSize-- ; - ui = SETCAPTIONSIZE( hWnd, nSize ) ; - - // Once we change the window style, we need a WM_NCCALCRECT - // to be generated. - // - // SWP_FRAMECHANGED is not documented in the 3.1 SDK docs, - // but *is* in WINDOWS.H. - // - SetWindowPos( hWnd, NULL, 0, 0, 0, 0, SWP_FRAMECHANGED | - SWP_NOSIZE | SWP_NOMOVE | - SWP_NOACTIVATE | SWP_NOZORDER) ; - - return ui ; - -} // ibSetCaptionSize() - -///////////////////////////////////////////////////////////////// -// LRESULT WINAPI ibDefWindowProc( HWND hWnd, UINT uiMsg, WPARAM wParam, LPARAM lParam ) -// -// Description: -// -// This function should be called instead of DefWindowProc() for -// windows that want to have itsybitsy captions. -// -// Comments: -// -////////////////////////////////////////////////////////////////// -LRESULT WINAPI ibDefWindowProc( HWND hWnd, UINT uiMsg, WPARAM wParam, LPARAM lParam ) -{ - LRESULT lRet ; - UINT nCapSize ; - - switch( uiMsg ) - { - case WM_SYSCHAR: - // If ALT-SPACE - // was hit then pop up the menu - // - if (HASCAPTION( hWnd ) && (wParam == VK_SPACE)) - { - DoMenu( hWnd ) ; - break ; - } - - // FALL THROUGH!!!! - // - - case WM_SYSKEYDOWN: - case WM_SYSKEYUP: - case WM_KEYDOWN: - case WM_KEYUP: - { - DWORD dw = GetWindowLong( hWnd, GWL_STYLE ) ; - - // Fool DefWindowProc into thinking we do not have - // a system menu. Otherwise it will try to - // pop up its own. - // - SetWindowLong( hWnd, GWL_STYLE, dw &~WS_SYSMENU ) ; - lRet = DefWindowProc( hWnd, uiMsg, wParam, lParam ) ; - SetWindowLong( hWnd, GWL_STYLE, dw ) ; - return lRet ; - } - break ; - - case WM_COMMAND: - // The menu that is poped up for the system menu with - // TrackPopupMenu() sends it's notifications as WM_COMMAND - // messages. We need to translate these into - // WM_SYSCOMMAND messages. All standard WM_SYSCOMMAND - // ids are greater than 0xF000. - // - // This could be a possible cause of confusion if the - // itsybitsy window had children that used SC_MOVE or SC_CLOSE - // as their IDs. Take note and be careful. - // - // Also, because ibDefWindowProc looks at WM_COMMAND messages, - // you will need to be careful to call ibDefWindowProc() for - // any wm_command messages that you would normally ignore. - // Otherwise the system menu won't work. - // - if (wParam >= 0xF000) - // Call PostMessage() here instead of SendMessage! - // Here's why: - // Our menu was created by TrackPopupMenu(). TPM() does - // not return until after the menu has been destroyed - // (and thus the command associated with the menu selection - // sent). Therefore when we get here, we are still - // *inside* TPM(). If we Send WM_SYSCOMMAND, SC_CLOSE - // to the window, the window will be destroyed before - // TPM() returns to our code within DoMenu() below. Wel... - // We do stuff with the window handle after DoMenu() - // returns (namely GetProp()). Since the window has - // been destroyed,this is bad. - PostMessage( hWnd, WM_SYSCOMMAND, wParam, lParam ) ; - - return DefWindowProc( hWnd, uiMsg, wParam, lParam ) ; - - case WM_GETMINMAXINFO: - { - nCapSize = GETCAPTIONSIZE( hWnd ) ; - if (HASCAPTION( hWnd ) && TestWinStyle( hWnd, WS_THICKFRAME )) - { - LPPOINT lppt = (LPPOINT)lParam ; - RECT rcMenu ; - RECT rcMin ; - RECT rcMax ; - int nX ; - int cx, cy ; // window frame/border width - - if (TestWinStyle( hWnd, WS_THICKFRAME )) - { - cx = GetSystemMetrics( SM_CXFRAME ) ; - cy = GetSystemMetrics( SM_CYFRAME ) ; - } - else if (TestWinStyle(hWnd, WS_BORDER )) - { - cx = GetSystemMetrics( SM_CXBORDER ) ; - cy = GetSystemMetrics( SM_CYBORDER ) ; - } - else - { - // VZ: I don't know what should be here, but the vars must - // be inited! - wxFAIL_MSG("don't know how to initialize cx, cy"); - - cx = cy = 0; - } - - GetIconRect( hWnd, &rcMenu ) ; - GetMinButtonRect( hWnd, &rcMin ) ; - GetMaxButtonRect( hWnd, &rcMax ) ; - nX = (rcMenu.right-rcMenu.left) + - (rcMin.right-rcMin.left) + - (rcMin.right-rcMin.left) ; - - - if (TestWinStyle( hWnd, IBS_VERTCAPTION ) ) - { - lppt[3].x = nCapSize + cx * 2 - 1 ; - lppt[3].y = nX + (2* nCapSize) ; - } - else - { - lppt[3].x = nX + (2* nCapSize) ; - lppt[3].y = nCapSize + cy * 2 - 1 ; - } - } - return DefWindowProc( hWnd, uiMsg, wParam, lParam ) ; - } - break ; - - ///////////////////////////////////////////////////////////////////// - // Non-client area messages. These are used to allow the - // minature caption bar to be handled correctly. - // - case WM_NCCREATE: - { - DWORD dwStyle ; - - // We have two things that we need to store somewhere: - // 1) The caption height (width). - // and 2) A flag indicating whether the sysmenu was - // just up or not. - // - // CAPTIONXY is a macro that calls GetSystemMetrics. - // - SETCAPTIONSIZE( hWnd, CAPTIONXY ) ; - - // Set our flag that tells us whether the system menu was - // 'just up'. - // - SETMENUWASUPFLAG( hWnd, FALSE ) ; - - // Are we in 3.1? If so we have some neat features - // we can use like rotated TrueType fonts. - // - fWin31 = (BOOL)(LOWORD( GetVersion() ) >= 0x030A) ; - - // If IBS_????CAPTION was specified and the WS_DLGFRAME (or - // WS_DLGFRAME 'cause it == WS_CAPTION | WS_BORDER) - // was specified the creator made a mistake. Things get really - // ugly if DefWindowProc sees WS_DLGFRAME, so we strip - // the WS_DLGFRAME part off! - // - dwStyle = GetWindowLong( hWnd, GWL_STYLE ) ; - if ((dwStyle & IBS_VERTCAPTION || dwStyle & IBS_HORZCAPTION) && - dwStyle & WS_DLGFRAME) - { - dwStyle &= (DWORD)~WS_DLGFRAME ; - SetWindowLong( hWnd, GWL_STYLE, dwStyle ) ; - } - } - return DefWindowProc( hWnd, uiMsg, wParam, lParam ) ; - - case WM_NCDESTROY: - // We store the caption size in a window prop. so we - // must remove props. - // - FREECAPTIONSIZE( hWnd ) ; - FREEMENUWASUPFLAG( hWnd ) ; - return DefWindowProc( hWnd, uiMsg, wParam, lParam ) ; - - case WM_NCCALCSIZE: - // This is sent when the window manager wants to find out - // how big our client area is to be. If we have a mini-caption - // then we trap this message and calculate the cleint area rect, - // which is the client area rect calculated by DefWindowProc() - // minus the width/height of the mini-caption bar - // - lRet = DefWindowProc( hWnd, uiMsg, wParam, lParam ) ; - if (!IsIconic( hWnd ) && HASCAPTION( hWnd )) - { - nCapSize = GETCAPTIONSIZE( hWnd ) ; - - if (TestWinStyle( hWnd, IBS_VERTCAPTION ) ) - ((LPRECT)lParam)->left += nCapSize ; - else - ((LPRECT)lParam)->top += nCapSize ; - } - return lRet ; - - case WM_NCHITTEST: - // This message is sent whenever the mouse moves over us. - // We will depend on DefWindowProc for everything unless - // there is a mini-caption, in which case we will - // return HTCAPTION or HTSYSMENU. When the user clicks - // or double clicks, NC_LBUTTON/ message are sent with - // wParam equal to what we return here. - // This means that this is an ideal place to figure out - // where we are! - // - // let defwindowproc handle the standard borders etc... - // - lRet = DefWindowProc( hWnd, uiMsg, wParam, lParam ) ; - if (!IsIconic( hWnd ) && HASCAPTION( hWnd ) && lRet == HTNOWHERE) - { - RECT rc ; - RECT rcMenu ; - RECT rcMinButton ; - RECT rcMaxButton ; - POINT pt ; - - nCapSize = GETCAPTIONSIZE( hWnd ) ; - - // if DefWindowProc returned HTCAPTION then we have to - // refine the area and return HTSYSMENU if appropriate - // - pt.x = LOWORD( lParam ) ; - pt.y = HIWORD( lParam ) ; - - GetCaptionRect( hWnd, &rc ) ; // window coords - if (PtInRect( &rc, pt )) - { - lRet = HTCAPTION ; - - // rely on the fact that Get???Rect() return an invalid - // (empty) rectangle if the menu/buttons don't exist - // - GetIconRect( hWnd, &rcMenu ) ; - GetMinButtonRect( hWnd, &rcMinButton ) ; - GetMaxButtonRect( hWnd, &rcMaxButton ) ; - - if (PtInRect( &rcMenu, pt )) - lRet = HTSYSMENU ; - - if (PtInRect( &rcMinButton, pt )) - lRet = HTMINBUTTON ; - else - if (PtInRect( &rcMaxButton, pt )) - lRet = HTMAXBUTTON ; - } - } - if (lRet != HTSYSMENU) - SETMENUWASUPFLAG( hWnd, FALSE ) ; - return lRet ; - - case WM_NCLBUTTONDBLCLK: - // Windows recieve WM_NC?BUTTONDBLCLK messages whether they - // have CS_DBLCLKS or not. We watch for one of these - // to see if the user double clicked on the system menu (to - // close the window) or on the caption (to maximize the window). - // - if (!IsIconic( hWnd ) && HASCAPTION( hWnd ) && wParam == HTSYSMENU) - { - SendMessage( hWnd, WM_CLOSE, 0, 0L ) ; - break ; - } - return DefWindowProc( hWnd, uiMsg, wParam, lParam ) ; - - case WM_NCLBUTTONDOWN: - { - RECT rc ; - - // If we're iconic or we don't have a caption then - // DefWindowProc will do the job just fine. - // - if (IsIconic( hWnd ) || !HASCAPTION( hWnd )) - return DefWindowProc( hWnd, uiMsg, wParam, lParam ) ; - - // Here's were we handle the system menu, the min and max buttons. - // If you wanted to change the behavior of the min/max buttons - // do something like swap tool palettes or something, you - // would change the SendMessage() calls below. - // - switch (wParam) - { - case HTSYSMENU: - if (GETMENUWASUPFLAG( hWnd ) == FALSE && DoMenu( hWnd )) - SETMENUWASUPFLAG( hWnd, TRUE ) ; - else - SETMENUWASUPFLAG( hWnd, FALSE ) ; - break ; - - case HTMINBUTTON: - GetMinButtonRect( hWnd, &rc ) ; - // Note that DepressMinMaxButton() goes into - // a PeekMessage() loop waiting for the mouse - // to come back up. - // - if (DepressMinMaxButton( hWnd, wParam, &rc )) - SendMessage( hWnd, WM_SYSCOMMAND, SC_MINIMIZE, lParam ) ; - break ; - - case HTMAXBUTTON: - GetMaxButtonRect( hWnd, &rc ) ; - // Note that DepressMinMaxButton() goes into - // a PeekMessage() loop waiting for the mouse - // to come back up. - // - if (DepressMinMaxButton( hWnd, wParam, &rc )) - { - if (IsZoomed(hWnd)) - SendMessage( hWnd, WM_SYSCOMMAND, SC_RESTORE, lParam ) ; - else - SendMessage( hWnd, WM_SYSCOMMAND, SC_MAXIMIZE, lParam ) ; - } - break ; - - default: - // Well, it appears as though the user clicked somewhere other - // than the buttons. We let DefWindowProc do it's magic. - // This is where things like dragging and sizing the - // window happen. - // - return DefWindowProc( hWnd, uiMsg, wParam, lParam ) ; - } - } - break ; - - case WM_NCPAINT: - case WM_NCACTIVATE: - if (IsIconic( hWnd )) - return DefWindowProc( hWnd, uiMsg, wParam, lParam ) ; - - // Paint the non-client area here. We will call DefWindowProc - // after we are done so it can paint the borders and so - // forth... - // - lRet = DefWindowProc( hWnd, uiMsg, wParam, lParam ) ; - if (HASCAPTION( hWnd )) - { - RECT rcCap ; - RECT rc ; - HDC hDC = GetWindowDC( hWnd ) ; - BOOL fActive ; - - GetCaptionRect( hWnd, &rcCap ) ; // Convert to window coords - GetWindowRect( hWnd, &rc ) ; - OffsetRect( &rcCap, -rc.left, -rc.top ) ; - - if (uiMsg == WM_NCPAINT) - fActive = (hWnd == GetActiveWindow()) ; - else - fActive = wParam ; - - DrawCaption( hDC, hWnd, &rcCap, - TestWinStyle(hWnd, IBS_VERTCAPTION), - TestWinStyle(hWnd, WS_SYSMENU), - TestWinStyle(hWnd, WS_MINIMIZEBOX), - TestWinStyle(hWnd, WS_MAXIMIZEBOX), - fActive ) ; - - ReleaseDC( hWnd, hDC ) ; - } - return lRet; - break; - - default: - return DefWindowProc( hWnd, uiMsg, wParam, lParam ) ; - } - - return 0L ; - -} // ibDefWindowProc() - -// ibAdjustWindowRect( HWND hWnd, LPRECT lprc ) -// -// Does the same thing as the USER function AdjustWindowRect(), -// but knows about itsybitsy windows. AdjustWindowRect() is -// bogus for stuff like this. -// -void WINAPI ibAdjustWindowRect( HWND hWnd, LPRECT lprc ) -{ - short cx = 0, cy = 0 ; - UINT nCapSize ; - - nCapSize = GETCAPTIONSIZE( hWnd ) ; - - // First check Windows's styles, then our own. - // - if (TestWinStyle( hWnd, WS_THICKFRAME )) - { - cx = GetSystemMetrics( SM_CXFRAME ) ; - cy = GetSystemMetrics( SM_CYFRAME ) ; - } - else - if (TestWinStyle(hWnd, DS_MODALFRAME )) - { - cx = GetSystemMetrics( SM_CXDLGFRAME ) + GetSystemMetrics( SM_CXBORDER ) ; - cy = GetSystemMetrics( SM_CYDLGFRAME ) + GetSystemMetrics( SM_CYBORDER ) ; - } - else - if (TestWinStyle(hWnd, WS_BORDER )) - { - cx = GetSystemMetrics( SM_CXBORDER ) ; - cy = GetSystemMetrics( SM_CYBORDER ) ; - } - - InflateRect( lprc, cx, cy ) ; - - if (TestWinStyle( hWnd, IBS_VERTCAPTION )) - lprc->left -= nCapSize ; - else - if (TestWinStyle( hWnd, IBS_HORZCAPTION )) - lprc->top -= nCapSize ; - -} // ibAdjustWindowRect() - - -/////////////////////////////////////////////////////////////////////// -// Internal functions -/////////////////////////////////////////////////////////////////////// - -// DepressMinMaxButton() -// -// This function is called when the user has pressed either the min or -// max button (i.e. WM_NCLBUTTONDOWN). We go into a Peekmessage() loop, -// waiting for the mouse to come back up. This allows us to make the -// button change up/down state like a real button does. -// -// lprc points to the rectangle that describes the button the -// user has clicked on. -// -BOOL PASCAL DepressMinMaxButton( HWND hWnd, UINT uiHT, LPRECT lprc ) -{ - BOOL fDepressed = TRUE ; - MSG msg ; - - // Draw button in down state - DrawButton( NULL, hWnd, uiHT == HTMINBUTTON, fDepressed ) ; - SetCapture( hWnd ) ; - - while (TRUE) - { - if (PeekMessage((LPMSG)&msg, NULL, WM_MOUSEFIRST, WM_MOUSELAST, PM_REMOVE)) - { - switch (msg.message) - { - case WM_LBUTTONUP: - if (fDepressed) - DrawButton( NULL, hWnd, uiHT == HTMINBUTTON, !fDepressed ) ; - ReleaseCapture(); - return PtInRect( lprc, msg.pt ) ; - - case WM_MOUSEMOVE: - if (PtInRect( lprc, msg.pt )) - { - if (!fDepressed) - DrawButton( NULL, hWnd, uiHT == HTMINBUTTON, fDepressed = TRUE ) ; - } - else - { - if (fDepressed) - DrawButton( NULL, hWnd, uiHT == HTMINBUTTON, fDepressed = FALSE ) ; - } - break; - } - } - } - -} // DepressMinMaxButton() - -// DrawCaption( HDC hDC, HWND hWnd, LPRECT lprc, -// BOOL fVert, BOOL fSysMenu, BOOL fActive ) -// -// This function draws an itsy bitsy caption bar with or -// without system menu to the dc specified by hDC. The -// caption is drawn to fit within the lprc RECT and is -// drawn//withOut/ borders. -// -BOOL PASCAL DrawCaption( HDC hDC, HWND hWnd, LPRECT lprc, - BOOL fVert, BOOL fSysMenu, BOOL fMin, - BOOL fMax, BOOL fActive ) -{ - RECT rc ; - RECT rcCap ; - COLORREF rgbCaptionBG ; - COLORREF rgbText ; - COLORREF rgbWindowFrame ; - HBRUSH hbrCaption ; - UINT ui ; - UINT nCapSize ; - - nCapSize = GETCAPTIONSIZE( hWnd ) ; - - // Get the colors. - // - rgbWindowFrame = GetSysColor( COLOR_WINDOWFRAME ) ; - - // if we have focus use the active caption color - // otherwise use the inactive caption color - // - if (fActive) - { - rgbText = GetSysColor( COLOR_CAPTIONTEXT ) ; - rgbCaptionBG = GetSysColor( COLOR_ACTIVECAPTION ) ; - } - else - { - if (fWin31) - rgbText = GetSysColor( COLOR_INACTIVECAPTIONTEXT ) ; - else - rgbText = GetSysColor( COLOR_CAPTIONTEXT ) ; - - rgbCaptionBG = GetSysColor( COLOR_INACTIVECAPTION ) ; - } - - SetBkMode( hDC, TRANSPARENT ) ; - SelectObject( hDC, GetStockObject( NULL_BRUSH ) ) ; - SelectObject( hDC, GetStockObject( NULL_PEN ) ) ; - - rcCap = *lprc ; - - if (fSysMenu) - { - if (fVert) - rcCap.top += nCapSize ; - else - rcCap.left += nCapSize ; - } - - if (fMax) - { - if (fVert) - rcCap.bottom -= nCapSize ; - else - rcCap.right -= nCapSize ; - } - - if (fMin) - { - if (fVert) - rcCap.bottom -= nCapSize ; - else - rcCap.right -= nCapSize ; - } - - if (fVert) - { - rc.left = lprc->right - 1 ; - rc.right = lprc->right ; - rc.top = lprc->top ; - rc.bottom = lprc->bottom ; - } - else - { - rc.left = lprc->left ; - rc.right = lprc->right ; - rc.bottom = lprc->bottom ; - rc.top = rc.bottom - 1 ; - } - - SetBkColor( hDC, rgbWindowFrame ) ; - DRAWFASTRECT( hDC, &rc ) ; - - hbrCaption = CreateSolidBrush( rgbCaptionBG ) ; - hbrCaption = (HBRUSH) SelectObject( hDC, hbrCaption ) ; - SelectObject( hDC, (HPEN) GetStockObject( NULL_PEN ) ) ; - if (fVert) - Rectangle( hDC, rcCap.left, rcCap.top, rcCap.right, rcCap.bottom + 1 ) ; - else - Rectangle( hDC, rcCap.left, rcCap.top, rcCap.right+1, rcCap.bottom ) ; - hbrCaption = (HBRUSH) SelectObject( hDC, hbrCaption ) ; - DeleteObject( hbrCaption ) ; - - - // Draw caption text here. Only do it in 3.1 'cause 3.1 gives - // us 'small fonts'. - // - ui = GetWindowTextLength( hWnd ) ; - if (fWin31) - { - HFONT hFont ; - LPSTR lpsz ; - LOGFONT lf ; - TEXTMETRIC tm ; - int cx ; - int cy ; - SIZE Size ; - - lpsz = (char*)GlobalAllocPtr( GHND, ui + 2 ); - if (lpsz) - { - UINT nBkMode ; - - GetWindowText( hWnd, lpsz, ui + 1 ) ; - nBkMode = SetBkMode( hDC, TRANSPARENT ) ; - rgbText = SetTextColor( hDC, rgbText ) ; - - memset( &lf, '\0', sizeof(LOGFONT) ) ; - - lf.lfHeight = -(int)(nCapSize - 3) ; - lf.lfCharSet = ANSI_CHARSET ; - lf.lfQuality = DEFAULT_QUALITY ; - lf.lfClipPrecision = CLIP_LH_ANGLES | CLIP_STROKE_PRECIS ; - if (nCapSize >= 20) - { - lf.lfWeight = FW_BOLD ; - } - - if (fVert) - { - // Can only rotate true type fonts (well, ok, we could - // try and use "modern"). - strcpy( lf.lfFaceName, "Arial" ) ; - lf.lfPitchAndFamily = FF_SWISS | 0x04; - lf.lfEscapement = 900 ; - - // Note: The Win 3.1 documentation for CreateFont() say's - // that the lfOrientation member is ignored. It appears, - // that on Windows 16 3.1 this is true, but when running - // as a 16 bit WinApp on WindowsNT 3.1 the lfOrientation - // must be set or the text does not rotate! - // - lf.lfOrientation = 900 ; - - hFont = CreateFontIndirect( &lf ) ; - hFont = (HFONT) SelectObject( hDC, hFont ) ; - - GetTextExtentPoint( hDC, lpsz, ui, &Size ) ; - cx = rcCap.bottom - ((rcCap.bottom - rcCap.top - Size.cx) / 2) ; - cy = rcCap.left - 1 + ((rcCap.right - rcCap.left - Size.cy) / 2) ; - - // Make sure we got a rotatable font back. - // - GetTextMetrics( hDC, &tm ) ; - if (tm.tmPitchAndFamily & TMPF_VECTOR || - tm.tmPitchAndFamily & TMPF_TRUETYPE) - { - ExtTextOut( hDC, - cy, - min( (long)cx, rcCap.bottom), - ETO_CLIPPED, &rcCap, - lpsz, ui, NULL ) ; - } - - hFont = (HFONT) SelectObject( hDC, hFont ) ; - DeleteObject( hFont ) ; - } - else - { - // Use small fonts always for the horizontal. Cause it looks - // more like "System" than Arial. - // - lf.lfPitchAndFamily = FF_SWISS ; - - hFont = CreateFontIndirect( &lf ) ; - hFont = (HFONT) SelectObject( hDC, hFont ) ; - - GetTextExtentPoint( hDC, lpsz, ui, &Size ) ; - cx = rcCap.left + ((rcCap.right - rcCap.left - Size.cx) / 2) ; - cy = rcCap.top + ((rcCap.bottom - rcCap.top - Size.cy) / 2) ; - - // Figger out how big the string is - // - ExtTextOut( hDC, - max( (long)cx, rcCap.left ), - cy, - ETO_CLIPPED, &rcCap, - lpsz, ui, NULL ) ; - - hFont = (HFONT) SelectObject( hDC, hFont ) ; - DeleteObject( hFont ) ; - } - - // Unsetup the DC - // - rgbText = SetTextColor( hDC, rgbText ) ; - SetBkMode( hDC, nBkMode ) ; - - GlobalFreePtr( lpsz ) ; - } - } - - if (fSysMenu) - DrawSysMenu( hDC, hWnd, FALSE ) ; - - if (fMin) - DrawButton( hDC, hWnd, TRUE, FALSE ) ; - - if (fMax) - DrawButton( hDC, hWnd, FALSE, FALSE ) ; - - return TRUE ; - -} // DrawCaption() - - -// DrawSysMenu( HDC hDC, hWnd, BOOL fInvert ) -// -// Draws the little system menu icon. -// -void PASCAL DrawSysMenu( HDC hDC, HWND hWnd, BOOL fInvert ) -{ - RECT rcIcon ; - RECT rcTemp ; - RECT rc ; - COLORREF rgbIconFace ; - COLORREF rgbWindowFrame ; - BOOL fDC ; - UINT nCapSize ; - - nCapSize = GETCAPTIONSIZE( hWnd ) ; - - if (!hDC) - { - fDC = TRUE ; - hDC = GetWindowDC( hWnd ) ; - } - else - fDC = FALSE ; - - if (hDC) - { - rgbIconFace = GetNearestColor( hDC, RGBLTGRAY ) ; - rgbWindowFrame = GetSysColor( COLOR_WINDOWFRAME ) ; - - GetIconRect( hWnd, &rcIcon ) ; - GetWindowRect( hWnd, &rc ) ; - - OffsetRect( &rcIcon, -rc.left, -rc.top ) ; - - rcTemp = rcIcon ; - - if (TestWinStyle( hWnd, IBS_VERTCAPTION )) - { - rc = rcIcon ; // separator line - rc.top = ++rc.bottom - 1 ; - } - else - { - rc = rcIcon ; // separator line - rc.left = ++rc.right - 1 ; - } - - // Fill - SetBkColor( hDC, rgbIconFace ) ; - DRAWFASTRECT( hDC, &rcTemp ) ; - - // Draw separator line - SetBkColor( hDC, rgbWindowFrame ) ; - DRAWFASTRECT( hDC, &rc ) ; - - if (nCapSize > 4) - { - // Draw the little horizontal doo-hickey - // - rcTemp.top = rcIcon.top + ((nCapSize-1) / 2) ; - rcTemp.bottom = rcTemp.top + 3 ; - rcTemp.left = rcTemp.left + 3 ; - rcTemp.right = rcTemp.right - 1 ; - - SetBkColor( hDC, RGBGRAY ) ; - DRAWFASTRECT( hDC, &rcTemp ) ; - - rc = rcTemp ; - OffsetRect( &rc, -1, -1 ) ; - SetBkColor( hDC, RGBBLACK ) ; - DRAWFASTRECT( hDC, &rc ) ; - - InflateRect( &rc, -1, -1 ) ; - SetBkColor( hDC, RGBWHITE ) ; - DRAWFASTRECT( hDC, &rc ) ; - } - - if (fInvert) - InvertRect( hDC, &rcIcon ) ; - - if (fDC) - ReleaseDC( hWnd, hDC ) ; - } - -} // DrawSysMenu() - -// DoMenu( HWND hWnd ) -// -// Pops up the system menu. -// -BOOL PASCAL DoMenu( HWND hWnd ) -{ - HDC hDC ; - RECT rcIcon ; - RECT rc ; - POINT pt ; - HMENU hMenu ; - DWORD dw ; - - if (!TestWinStyle(hWnd, WS_SYSMENU)) - return FALSE ; - - hDC = GetWindowDC( hWnd ); - if (hDC) - { - // Invert the icon - // - DrawSysMenu( hDC, hWnd, TRUE ) ; - - // Pop up the menu - // - if (TestWinStyle( hWnd, IBS_VERTCAPTION )) - { - pt.x = -1 ; - pt.y = 0 ; - } - else - { - pt.x = 0 ; - pt.y = -1 ; - } - - GetIconRect( hWnd, &rcIcon ) ; - GetWindowRect( hWnd, &rc ) ; - OffsetRect( &rcIcon, -rc.left, -rc.top ) ; - - ClientToScreen( hWnd, &pt ) ; - ClientToScreen( hWnd, (LPPOINT)&rc.right ) ; - - dw = GetWindowLong( hWnd, GWL_STYLE ) ; - SetWindowLong( hWnd, GWL_STYLE, dw | WS_SYSMENU ) ; - - hMenu = GetSystemMenu( hWnd, FALSE ) ; - SetupSystemMenu( hWnd, hMenu ) ; - - SetWindowLong( hWnd, GWL_STYLE, dw ) ; - - TrackPopupMenu( hMenu, 0, //TPM_LEFTALIGN, - pt.x, - pt.y, - 0, - hWnd, - &rc ) ; - - DrawSysMenu( hDC, hWnd, FALSE ) ; - ReleaseDC( hWnd, hDC ) ; - } - return TRUE ; - -} // DoMenu() - -// SetupSystemMenu( HWND hWnd, HMENU hMenu ) -// -// Enables/Disables the appropriate menu items on the -// menu passed for the window passed. -// -void PASCAL SetupSystemMenu( HWND hWnd, HMENU hMenu ) -{ - UINT wMove ; - UINT wSize ; - UINT wMinBox ; - UINT wMaxBox ; - UINT wRestore ; - - // Assume all should be grayed. - // - wSize = wMove = wMinBox = wMaxBox = wRestore = MF_GRAYED ; - - if (TestWinStyle( hWnd, WS_MAXIMIZEBOX ) || IsIconic( hWnd )) - wMaxBox = MF_ENABLED ; - - if (TestWinStyle( hWnd, WS_MINIMIZEBOX )) - wMinBox = MF_ENABLED ; - - if (IsZoomed( hWnd )) - wRestore = MF_ENABLED ; - - if (TestWinStyle( hWnd, WS_THICKFRAME ) && - !(IsIconic( hWnd ) || IsZoomed( hWnd ))) - wSize = MF_ENABLED ; - - if (!IsZoomed( hWnd ) && - !IsIconic( hWnd ) && - TestWinStyle( hWnd, WS_CAPTION ) ) - wMove = MF_ENABLED ; - - EnableMenuItem( hMenu, SC_MOVE, wMove ) ; - EnableMenuItem( hMenu, SC_SIZE, wSize ) ; - EnableMenuItem( hMenu, SC_MINIMIZE, wMinBox ) ; - EnableMenuItem( hMenu, SC_MAXIMIZE, wMaxBox ) ; - EnableMenuItem( hMenu, SC_RESTORE, wRestore ) ; - -} // SetupSystemMenu() - -// GetCaptionRect( HWND hWnd, LPRECT lprc ) -// -// calcluales the rectangle of the mini-caption in screen coords. -// -BOOL PASCAL GetCaptionRect( HWND hWnd, LPRECT lprc ) -{ - UINT nCapSize ; - - nCapSize = GETCAPTIONSIZE( hWnd ) ; - - if (!HASCAPTION( hWnd )) - { - SetRectEmpty( lprc ) ; - return FALSE ; - } - - GetWindowRect( hWnd, lprc ) ; - - // the window might have other non-client components like - // borders - // - if (TestWinStyle( hWnd, WS_THICKFRAME )) - { - lprc->left += GetSystemMetrics( SM_CXFRAME ) ; - lprc->top += GetSystemMetrics( SM_CYFRAME ) ; - lprc->right -= GetSystemMetrics( SM_CXFRAME ) ; - lprc->bottom -= GetSystemMetrics( SM_CYFRAME ) ; - } - else - if (TestWinStyle( hWnd, DS_MODALFRAME )) // if it's a dialog box - { - lprc->left += GetSystemMetrics( SM_CXDLGFRAME ) + GetSystemMetrics( SM_CXBORDER ) ; - lprc->top += GetSystemMetrics( SM_CYDLGFRAME ) + GetSystemMetrics( SM_CYBORDER ) ; - lprc->right -= GetSystemMetrics( SM_CXDLGFRAME ) + GetSystemMetrics( SM_CXBORDER ) ; - lprc->bottom -= GetSystemMetrics( SM_CYDLGFRAME ) + GetSystemMetrics( SM_CYBORDER ) ; - } - else - if (TestWinStyle( hWnd, WS_BORDER )) - { - lprc->left += GetSystemMetrics( SM_CXBORDER ) ; - lprc->top += GetSystemMetrics( SM_CYBORDER ) ; - lprc->right -= GetSystemMetrics( SM_CXBORDER ) ; - lprc->bottom -= GetSystemMetrics( SM_CYBORDER ) ; - } - - if (TestWinStyle( hWnd, IBS_VERTCAPTION )) - lprc->right = lprc->left + nCapSize ; - else - lprc->bottom = lprc->top + nCapSize ; - - return TRUE ; -} // GetCaptionRect() - -// GetIconRect( HWND hWnd, LPRECT lprc ) -// -// Calculates the rect of the icon in screen coordinates. -// -BOOL PASCAL GetIconRect( HWND hWnd, LPRECT lprc ) -{ - UINT nCapSize ; - BOOL fMenu, fVert ; - - fMenu= TestWinStyle( hWnd, WS_SYSMENU ) ; - fVert = TestWinStyle( hWnd, IBS_VERTCAPTION ) ; - - if (!GetCaptionRect( hWnd, lprc )) // window coords - return FALSE ; - - if (!fMenu) - { - SetRectEmpty( lprc ) ; - return FALSE ; - } - - nCapSize = GETCAPTIONSIZE( hWnd ) ; - - if (fVert) - lprc->bottom = lprc->top + nCapSize ; - else - lprc->right = lprc->left + nCapSize ; - - lprc->bottom-- ; - lprc->right-- ; - - return TRUE ; - -} // GetIconRect() - -// GetMinButtonRect() -// -// Calculates the rect of the minimize button in screen -// coordinates. -// -// For horizontal captions, we have the following situation ('Y' is minimize -// and '^' is maximize or restore): -// -// +---------------------------------+ -// | - | | Y | ^ | -// +---------------------------------+ -// | |.......| <-- This is the width (nSize) -// -// For vertical captions, we have the following: -// -// | | -// | | -// | | -// | | -// | | -// | | -// |--|-- -// | Y| . -// |--| . <-- This is the height of the rectangle (nSize) -// | ^| . -// +--+-- -// -// In order to figure out where the minimize button goes, we first need -// to know if there is a maximize button. If so, use GetMaxButtonRect() -// to place... -// -BOOL PASCAL GetMinButtonRect( HWND hWnd, LPRECT lprc ) -{ - if (!TestWinStyle( hWnd, WS_MINIMIZEBOX )) - { - SetRectEmpty( lprc ) ; - return FALSE ; - } - - // The minimize button can be in either position 1 or 2. If there - // is a maximize button, it's in position 2. - // - if (TestWinStyle( hWnd, WS_MAXIMIZEBOX )) - return GetButtonRect( hWnd, 2, lprc ) ; - else - return GetButtonRect( hWnd, 1, lprc ) ; -} - -// GetMaxButtonRect() -// -// Calculates the rect of the maximize button in screen -// coordinates. -// -// The maximize button, if present, is always to the far right -// or bottom. -// -BOOL PASCAL GetMaxButtonRect( HWND hWnd, LPRECT lprc ) -{ - //The maximize button can only be in position 1. - // - if (TestWinStyle( hWnd, WS_MAXIMIZEBOX )) - return GetButtonRect( hWnd, 1, lprc ) ; - else - { - SetRectEmpty( lprc ) ; - return FALSE ; - } -} - -// Get the rect where a button would go. -// -// This function does not care if it's a min or max, just whether -// it is the first from the right/bottom or second from the right/bottom -// and so on.. -// -BOOL PASCAL GetButtonRect( HWND hWnd, UINT nPos, LPRECT lprc ) -{ - UINT nSize = 0 ; - - if (!GetCaptionRect( hWnd, lprc )) //window coords - return FALSE ; - - nSize = GETCAPTIONSIZE( hWnd ) ; - - if (TestWinStyle( hWnd, IBS_VERTCAPTION )) - { - lprc->bottom -= nSize * (nPos-1) ; - lprc->top = lprc->bottom - nSize + 1 ; - } - else - { - lprc->right -= nSize * (nPos-1) ; - lprc->left = lprc->right - nSize + 1 ; - } - - return TRUE ; -} // GetButtonRect() - -// DrawButton( HDC hDC, HWND hWnd, BOOL fMin, BOOL fDepressed ) -// -// Draws either the min, max, or restore buttons. If fMin is FALSE then it -// will draw either the Max or Restore button. If fDepressed is TRUE it will -// draw the button in a down state. -// -void PASCAL DrawButton( HDC hDC, HWND hWnd, BOOL fMin, BOOL fDepressed) -{ - RECT rcButton ; - RECT rc ; - COLORREF rgbWindowFrame ; - BOOL fDC ; - UINT nCapSize ; - UINT nOffset ; - int n ; - - nCapSize = GETCAPTIONSIZE( hWnd ) ; - - // If you look at the standard Windows' min/max buttons, you will notice - // that they have two pixels of 'shadow' to the bottom and right. Since - // our buttons can be really, really small, we only want one pixel of - // shadow when they are small. I arbitrarily decided that if the - // caption size is greater than or equal to 20 we will use two - // pixels. That's what this THREASHOLD stuff does. - // - #define THRESHOLD 20 - nOffset = (nCapSize >= THRESHOLD) ? 2 : 1 ; - - if (!hDC) - { - fDC = TRUE ; - hDC = GetWindowDC( hWnd ) ; - } - else - fDC = FALSE ; - - if (hDC) - { - rgbWindowFrame = GetSysColor( COLOR_WINDOWFRAME ) ; - - if (fMin) - GetMinButtonRect( hWnd, &rcButton ) ; - else - GetMaxButtonRect( hWnd, &rcButton ) ; - - GetWindowRect( hWnd, &rc ) ; - OffsetRect( &rcButton, -rc.left, -rc.top ) ; - - rc = rcButton ; - if (TestWinStyle( hWnd, IBS_VERTCAPTION )) - { - rc = rcButton ; //separator line - rc.bottom = --rc.top + 1 ; - rcButton.right-- ; - } - else - { - rc = rcButton ; //separator line - rc.right = --rc.left + 1 ; - rcButton.bottom-- ; - } - - //Draw separator line - SetBkColor( hDC, rgbWindowFrame ) ; - DRAWFASTRECT( hDC, &rc ) ; - - //Fill - SetBkColor( hDC, RGBLTGRAY ) ; - DRAWFASTRECT( hDC, &rcButton ) ; - - if (!fDepressed) - { - //The normal min/max buttons have one pixel on the top and left - //sides for the highlight, and two pixels on the bottom and - //right side for the shadow. - // - //When our caption is 'small' we only use one pixel on all - //sides. - // - SetBkColor( hDC, RGBWHITE ) ; - //Draw left side - rc = rcButton ; - rc.right = rc.left + 1 ; - DRAWFASTRECT( hDC, &rc ) ; - - //Draw Top - rc = rcButton ; - rc.bottom = rc.top + 1 ; - DRAWFASTRECT( hDC, &rc ) ; - - SetBkColor( hDC, RGBGRAY ) ; - //Draw right side - rc = rcButton ; - rc.left = rc.right - 1 ; - DRAWFASTRECT( hDC, &rc ) ; - if (nCapSize > THRESHOLD) - { - rc.left-- ; - rc.top++ ; - DRAWFASTRECT( hDC, &rc ) ; - } - - //Draw bottom - rc = rcButton ; - rc.top = rc.bottom - 1 ; - DRAWFASTRECT( hDC, &rc ) ; - if (nCapSize > THRESHOLD) - { - rc.top-- ; - rc.left++ ; - DRAWFASTRECT( hDC, &rc ) ; - } - - rcButton.left++ ; - rcButton.top++ ; - rcButton.right -= nOffset ; - rcButton.bottom -= nOffset ; - } - else - { - //Draw depressed state - - SetBkColor( hDC, RGBGRAY ) ; - //Draw left side - rc = rcButton ; - rc.right = rc.left + nOffset ; - DRAWFASTRECT( hDC, &rc ) ; - - //Draw Top - rc = rcButton ; - rc.bottom = rc.top + nOffset ; - DRAWFASTRECT( hDC, &rc ) ; - - rcButton.left += 2 * nOffset ; - rcButton.top += 2 * nOffset ; - } - - // Now draw the arrows. We do not want the - // arrows to grow too large when we have a bigger than - // normal caption, so we restrict their size. - // - // rcButton now represents where we can place our - // arrows. - // - // The maximum size of our arrows (i.e. the width of rcButton) - // has been empirically determined to be SM_CYCAPTION / 2 - // - n = ((GetSystemMetrics( SM_CYCAPTION )) / 2) - - (rcButton.right - rcButton.left) ; - if (n < 1) - InflateRect( &rcButton, n/2-1, n/2-1 ) ; - - if (fMin) - DrawArrow( hDC, &rcButton, ARROW_DOWN ) ; - else - if (IsZoomed( hWnd )) - { - DrawArrow( hDC, &rcButton, ARROW_RESTORE ) ; - } - else - DrawArrow( hDC, &rcButton, ARROW_UP ) ; - - if (fDC) - ReleaseDC( hWnd, hDC ) ; - } - -} // DrawButton() - - -// DrawArrow -// -// Draws either a up or down arrow. The arrow is bound by the rectangle -// -void PASCAL DrawArrow( HDC hdc, LPRECT lprc, UINT uiStyle ) -{ - int row ; - int xTip ; - int yTip ; - RECT rc ; - int nMax = (lprc->bottom - lprc->top) >> 1 ; - - SetBkColor( hdc, RGBBLACK ) ; - - // We draw the arrow by drawing a series of horizontal lines - // - xTip = lprc->left + ((lprc->right - lprc->left+1) >> 1) ; - switch (uiStyle) - { - case ARROW_UP: - yTip = lprc->top + ((lprc->bottom - lprc->top-1) >> 2) ; - for (row = 1 ; row <= nMax ; row++ ) - { - rc.left = xTip - row ; - rc.right = xTip + row - 1 ; - rc.top = yTip + row ; - rc.bottom = rc.top + 1 ; - DRAWFASTRECT( hdc, &rc ) ; - } - break ; - - case ARROW_DOWN: - yTip = lprc->bottom - ((lprc->bottom - lprc->top-1) >> 2) ; - for ( row = nMax ; row > 0 ; row-- ) - { - rc.left = xTip - row ; - rc.right = xTip + row - 1 ; - rc.top = yTip - row ; - rc.bottom = rc.top + 1 ; - DRAWFASTRECT( hdc, &rc ) ; - } - break ; - - case ARROW_RESTORE: - default: - yTip = lprc->top + ((lprc->bottom - lprc->top-1) >> 3) - 2; - for (row = 1 ; row <= nMax ; row++ ) - { - rc.left = xTip - row ; - rc.right = xTip + row - 1 ; - rc.top = yTip + row ; - rc.bottom = rc.top + 1 ; - DRAWFASTRECT( hdc, &rc ) ; - } - - yTip += (nMax+1) * 2 ; - for ( row = nMax ; row > 0 ; row-- ) - { - rc.left = xTip - row ; - rc.right = xTip + row - 1 ; - rc.top = yTip - row ; - rc.bottom = rc.top + 1 ; - DRAWFASTRECT( hdc, &rc ) ; - } - break ; - } - -} // DrawArrow() -#endif // wxUSE_ITSY_BITSY