| /* |
| * Non-client area window functions |
| * |
| * Copyright 1994 Alexandre Julliard |
| */ |
| |
| static char Copyright[] = "Copyright Alexandre Julliard, 1994"; |
| |
| #include "win.h" |
| #include "sysmetrics.h" |
| |
| |
| /*********************************************************************** |
| * NC_AdjustRect |
| * |
| * Compute the size of the window rectangle from the size of the |
| * client rectangle. |
| */ |
| static void NC_AdjustRect( LPRECT rect, DWORD style, BOOL menu, DWORD exStyle ) |
| { |
| if ((style & WS_DLGFRAME) && |
| ((exStyle & WS_EX_DLGMODALFRAME) || !(style & WS_BORDER))) |
| InflateRect( rect, SYSMETRICS_CXDLGFRAME, SYSMETRICS_CYDLGFRAME ); |
| else if (style & WS_THICKFRAME) |
| InflateRect( rect, SYSMETRICS_CXFRAME, SYSMETRICS_CYFRAME ); |
| |
| if (style & WS_BORDER) |
| InflateRect( rect, SYSMETRICS_CXBORDER, SYSMETRICS_CYBORDER ); |
| |
| if ((style & WS_CAPTION) == WS_CAPTION) |
| rect->top -= SYSMETRICS_CYCAPTION - 1; |
| |
| if (menu) rect->top -= SYSMETRICS_CYMENU + 1; |
| |
| if (style & WS_VSCROLL) rect->right += SYSMETRICS_CXVSCROLL; |
| if (style & WS_HSCROLL) rect->bottom += SYSMETRICS_CYHSCROLL; |
| } |
| |
| |
| /*********************************************************************** |
| * AdjustWindowRect (USER.102) |
| */ |
| void AdjustWindowRect( LPRECT rect, DWORD style, BOOL menu ) |
| { |
| AdjustWindowRectEx( rect, style, menu, 0 ); |
| } |
| |
| |
| /*********************************************************************** |
| * AdjustWindowRectEx (USER.454) |
| */ |
| void AdjustWindowRectEx( LPRECT rect, DWORD style, BOOL menu, DWORD exStyle ) |
| { |
| /* Correct the window style */ |
| |
| if (!(style & (WS_POPUP | WS_CHILD))) /* Overlapped window */ |
| style |= WS_CAPTION; |
| if (exStyle & WS_EX_DLGMODALFRAME) style &= ~WS_THICKFRAME; |
| |
| #ifdef DEBUG_NONCLIENT |
| printf( "AdjustWindowRectEx: (%d,%d)-(%d,%d) %08x %d %08x\n", |
| rect->left, rect->top, rect->right, rect->bottom, style, menu, exStyle ); |
| #endif |
| |
| NC_AdjustRect( rect, style, menu, exStyle ); |
| } |
| |
| |
| /*********************************************************************** |
| * NC_HandleNCCalcSize |
| * |
| * Handle a WM_NCCALCSIZE message. Called from DefWindowProc(). |
| */ |
| LONG NC_HandleNCCalcSize( HWND hwnd, NCCALCSIZE_PARAMS *params ) |
| { |
| RECT tmpRect = { 0, 0, 0, 0 }; |
| BOOL hasMenu; |
| WND *wndPtr = WIN_FindWndPtr( hwnd ); |
| |
| if (!wndPtr) return 0; |
| |
| hasMenu = (!(wndPtr->dwStyle & WS_CHILD)) && (wndPtr->wIDmenu != 0); |
| |
| NC_AdjustRect( &tmpRect, wndPtr->dwStyle, hasMenu, wndPtr->dwExStyle ); |
| |
| params->rgrc[0].left -= tmpRect.left; |
| params->rgrc[0].top -= tmpRect.top; |
| params->rgrc[0].right -= tmpRect.right; |
| params->rgrc[0].bottom -= tmpRect.bottom; |
| return 0; |
| } |
| |
| |
| /*********************************************************************** |
| * NC_HandleNCHitTest |
| * |
| * Handle a WM_NCHITTEST message. Called from DefWindowProc(). |
| */ |
| LONG NC_HandleNCHitTest( HWND hwnd, POINT pt ) |
| { |
| RECT rect; |
| WND *wndPtr = WIN_FindWndPtr( hwnd ); |
| if (!wndPtr) return HTERROR; |
| |
| #ifdef DEBUG_NONCLIENT |
| printf( "NC_HandleNCHitTest: hwnd=%x pt=%d,%d\n", hwnd, pt.x, pt.y ); |
| #endif |
| |
| if (hwnd == GetCapture()) return HTCLIENT; |
| GetWindowRect( hwnd, &rect ); |
| if (!PtInRect( &rect, pt )) return HTNOWHERE; |
| ScreenToClient( hwnd, &pt ); |
| GetClientRect( hwnd, &rect ); |
| |
| if (PtInRect( &rect, pt )) return HTCLIENT; |
| |
| /* Check vertical scroll bar */ |
| if (wndPtr->dwStyle & WS_VSCROLL) |
| { |
| rect.right += SYSMETRICS_CXVSCROLL; |
| if (PtInRect( &rect, pt )) return HTVSCROLL; |
| } |
| |
| /* Check horizontal scroll bar */ |
| if (wndPtr->dwStyle & WS_HSCROLL) |
| { |
| rect.bottom += SYSMETRICS_CYHSCROLL; |
| if (PtInRect( &rect, pt )) |
| { |
| /* Check size box */ |
| if ((wndPtr->dwStyle & WS_VSCROLL) && |
| (pt.x >= rect.right - SYSMETRICS_CXVSCROLL)) return HTSIZE; |
| return HTHSCROLL; |
| } |
| } |
| |
| /* Check menu */ |
| if ((!(wndPtr->dwStyle & WS_CHILD)) && (wndPtr->wIDmenu != 0)) |
| { |
| rect.top -= SYSMETRICS_CYMENU + 1; |
| if (PtInRect( &rect, pt )) return HTMENU; |
| } |
| |
| /* Check caption */ |
| if ((wndPtr->dwStyle & WS_CAPTION) == WS_CAPTION) |
| { |
| rect.top -= SYSMETRICS_CYCAPTION - 1; |
| if (PtInRect( &rect, pt )) |
| { |
| /* Check system menu */ |
| if ((wndPtr->dwStyle & WS_SYSMENU) && (pt.x <= SYSMETRICS_CXSIZE)) |
| return HTSYSMENU; |
| /* Check maximize box */ |
| if (wndPtr->dwStyle & WS_MAXIMIZEBOX) |
| rect.right -= SYSMETRICS_CXSIZE + 1; |
| if (pt.x >= rect.right) return HTMAXBUTTON; |
| /* Check minimize box */ |
| if (wndPtr->dwStyle & WS_MINIMIZEBOX) |
| rect.right -= SYSMETRICS_CXSIZE + 1; |
| if (pt.x >= rect.right) return HTMINBUTTON; |
| return HTCAPTION; |
| } |
| } |
| |
| /* Check non-sizing border */ |
| if (!(wndPtr->dwStyle & WS_THICKFRAME) || |
| ((wndPtr->dwStyle & (WS_DLGFRAME | WS_BORDER)) == WS_DLGFRAME)) |
| return HTBORDER; |
| |
| /* Check top sizing border */ |
| if (pt.y < rect.top) |
| { |
| if (pt.x < rect.left+SYSMETRICS_CXSIZE) return HTTOPLEFT; |
| if (pt.x >= rect.right-SYSMETRICS_CXSIZE) return HTTOPRIGHT; |
| return HTTOP; |
| } |
| |
| /* Check bottom sizing border */ |
| if (pt.y >= rect.bottom) |
| { |
| if (pt.x < rect.left+SYSMETRICS_CXSIZE) return HTBOTTOMLEFT; |
| if (pt.x >= rect.right-SYSMETRICS_CXSIZE) return HTBOTTOMRIGHT; |
| return HTBOTTOM; |
| } |
| |
| /* Check left sizing border */ |
| if (pt.x < rect.left) |
| { |
| if (pt.y < rect.top+SYSMETRICS_CYSIZE) return HTTOPLEFT; |
| if (pt.y >= rect.bottom-SYSMETRICS_CYSIZE) return HTBOTTOMLEFT; |
| return HTLEFT; |
| } |
| |
| /* Check right sizing border */ |
| if (pt.x >= rect.right) |
| { |
| if (pt.y < rect.top+SYSMETRICS_CYSIZE) return HTTOPRIGHT; |
| if (pt.y >= rect.bottom-SYSMETRICS_CYSIZE) return HTBOTTOMRIGHT; |
| return HTRIGHT; |
| } |
| |
| /* Should never get here */ |
| return HTERROR; |
| } |
| |
| |
| /*********************************************************************** |
| * NC_DrawFrame |
| * |
| * Draw a window frame inside the given rectangle, and update the rectangle. |
| * The correct pen and brush must be selected in the DC. |
| */ |
| static void NC_DrawFrame( HDC hdc, RECT *rect, BOOL dlgFrame ) |
| { |
| short width, height, tmp; |
| |
| if (dlgFrame) |
| { |
| width = SYSMETRICS_CXDLGFRAME; |
| height = SYSMETRICS_CYDLGFRAME; |
| } |
| else |
| { |
| width = SYSMETRICS_CXFRAME - 1; |
| height = SYSMETRICS_CYFRAME - 1; |
| } |
| |
| /* Draw frame */ |
| PatBlt( hdc, rect->left, rect->top, |
| rect->right - rect->left, height, PATCOPY ); |
| PatBlt( hdc, rect->left, rect->top, |
| width, rect->bottom - rect->top, PATCOPY ); |
| PatBlt( hdc, rect->left, rect->bottom, |
| rect->right - rect->left, -height, PATCOPY ); |
| PatBlt( hdc, rect->right, rect->top, |
| -width, rect->bottom - rect->top, PATCOPY ); |
| |
| if (dlgFrame) |
| { |
| InflateRect( rect, -width, -height ); |
| return; |
| } |
| |
| /* Draw inner rectangle */ |
| MoveTo( hdc, rect->left+width, rect->top+height ); |
| LineTo( hdc, rect->right-width-1, rect->top+height ); |
| LineTo( hdc, rect->right-width-1, rect->bottom-height-1 ); |
| LineTo( hdc, rect->left+width, rect->bottom-height-1 ); |
| LineTo( hdc, rect->left+width, rect->top+height ); |
| |
| /* Draw the decorations */ |
| tmp = rect->top + SYSMETRICS_CYFRAME + SYSMETRICS_CYSIZE; |
| MoveTo( hdc, rect->left, tmp); |
| LineTo( hdc, rect->left+width, tmp ); |
| MoveTo( hdc, rect->right-width-1, tmp ); |
| LineTo( hdc, rect->right-1, tmp ); |
| |
| tmp = rect->bottom - 1 - SYSMETRICS_CYFRAME - SYSMETRICS_CYSIZE; |
| MoveTo( hdc, rect->left, tmp ); |
| LineTo( hdc, rect->left+width, tmp ); |
| MoveTo( hdc, rect->right-width-1, tmp ); |
| LineTo( hdc, rect->right-1, tmp ); |
| |
| tmp = rect->left + SYSMETRICS_CXFRAME + SYSMETRICS_CXSIZE; |
| MoveTo( hdc, tmp, rect->top ); |
| LineTo( hdc, tmp, rect->top+height ); |
| MoveTo( hdc, tmp, rect->bottom-height-1 ); |
| LineTo( hdc, tmp, rect->bottom-1 ); |
| |
| tmp = rect->right - 1 - SYSMETRICS_CXFRAME - SYSMETRICS_CYSIZE; |
| MoveTo( hdc, tmp, rect->top ); |
| LineTo( hdc, tmp, rect->top+height ); |
| MoveTo( hdc, tmp, rect->bottom-height-1 ); |
| LineTo( hdc, tmp, rect->bottom-1 ); |
| |
| InflateRect( rect, -width-1, -height-1 ); |
| } |
| |
| |
| /*********************************************************************** |
| * NC_DrawCaption |
| * |
| * Draw the window caption. |
| * The correct pen for the window frame must be selected in the DC. |
| */ |
| static void NC_DrawCaption( HDC hdc, RECT *rect, HWND hwnd, DWORD style ) |
| { |
| RECT r; |
| HBRUSH hbrushCaption, hbrushButtons; |
| char buffer[256]; |
| |
| hbrushButtons = CreateSolidBrush( GetSysColor( COLOR_BTNFACE ) ); |
| hbrushCaption = CreateSolidBrush( GetSysColor( COLOR_ACTIVECAPTION ) ); |
| |
| MoveTo( hdc, rect->left, rect->bottom ); |
| LineTo( hdc, rect->right-1, rect->bottom ); |
| |
| /* We should probably use OEM bitmaps (OBM_*) here */ |
| if (style & WS_SYSMENU) |
| { |
| r = *rect; |
| r.right = r.left + SYSMETRICS_CYSIZE; |
| FillRect( hdc, &r, hbrushButtons ); |
| MoveTo( hdc, r.right, r.top ); |
| LineTo( hdc, r.right, r.bottom ); |
| rect->left += SYSMETRICS_CXSIZE + 1; |
| } |
| if (style & WS_MAXIMIZEBOX) |
| { |
| r = *rect; |
| r.left = r.right - SYSMETRICS_CXSIZE; |
| FillRect( hdc, &r, hbrushButtons ); |
| MoveTo( hdc, r.left-1, r.top ); |
| LineTo( hdc, r.left-1, r.bottom ); |
| DrawReliefRect( hdc, r, 2, 0 ); |
| rect->right -= SYSMETRICS_CXSIZE + 1; |
| } |
| if (style & WS_MINIMIZEBOX) |
| { |
| r = *rect; |
| r.left = r.right - SYSMETRICS_CXSIZE; |
| FillRect( hdc, &r, hbrushButtons ); |
| MoveTo( hdc, r.left-1, r.top ); |
| LineTo( hdc, r.left-1, r.bottom ); |
| DrawReliefRect( hdc, r, 2, 0 ); |
| rect->right -= SYSMETRICS_CXSIZE + 1; |
| } |
| |
| FillRect( hdc, rect, hbrushCaption ); |
| |
| if (GetWindowText( hwnd, buffer, 256 )) |
| { |
| SetTextColor( hdc, GetSysColor( COLOR_CAPTIONTEXT ) ); |
| SetBkMode( hdc, TRANSPARENT ); |
| DrawText( hdc, buffer, -1, rect, |
| DT_SINGLELINE | DT_CENTER | DT_VCENTER ); |
| } |
| |
| DeleteObject( hbrushButtons ); |
| DeleteObject( hbrushCaption ); |
| } |
| |
| |
| /*********************************************************************** |
| * NC_HandleNCPaint |
| * |
| * Handle a WM_NCPAINT message. Called from DefWindowProc(). |
| */ |
| LONG NC_HandleNCPaint( HWND hwnd, HRGN hrgn ) |
| { |
| HDC hdc; |
| RECT rect; |
| HBRUSH hbrushBorder = 0; |
| HPEN hpenFrame = 0; |
| |
| WND *wndPtr = WIN_FindWndPtr( hwnd ); |
| |
| #ifdef DEBUG_NONCLIENT |
| printf( "NC_HandleNCPaint: %d %d\n", hwnd, hrgn ); |
| #endif |
| |
| if (!wndPtr || !hrgn) return 0; |
| if (!(wndPtr->dwStyle & (WS_BORDER | WS_DLGFRAME | WS_THICKFRAME))) |
| return 0; /* Nothing to do! */ |
| |
| if (hrgn == 1) hdc = GetDCEx( hwnd, 0, DCX_CACHE | DCX_WINDOW ); |
| else hdc = GetDCEx( hwnd, hrgn, DCX_CACHE | DCX_WINDOW | DCX_INTERSECTRGN); |
| if (!hdc) return 0; |
| if (ExcludeVisRect( hdc, wndPtr->rectClient.left-wndPtr->rectWindow.left, |
| wndPtr->rectClient.top-wndPtr->rectWindow.top, |
| wndPtr->rectClient.right-wndPtr->rectWindow.left, |
| wndPtr->rectClient.bottom-wndPtr->rectWindow.top ) |
| == NULLREGION) |
| { |
| ReleaseDC( hwnd, hdc ); |
| return 0; |
| } |
| |
| rect.top = rect.left = 0; |
| rect.right = wndPtr->rectWindow.right - wndPtr->rectWindow.left; |
| rect.bottom = wndPtr->rectWindow.bottom - wndPtr->rectWindow.top; |
| |
| hpenFrame = CreatePen( PS_SOLID, 1, GetSysColor(COLOR_WINDOWFRAME) ); |
| SelectObject( hdc, hpenFrame ); |
| hbrushBorder = CreateSolidBrush( GetSysColor(COLOR_ACTIVEBORDER) ); |
| SelectObject( hdc, hbrushBorder ); |
| |
| if ((wndPtr->dwStyle & WS_BORDER) || (wndPtr->dwStyle & WS_DLGFRAME)) |
| { |
| MoveTo( hdc, 0, 0 ); |
| LineTo( hdc, rect.right-1, 0 ); |
| LineTo( hdc, rect.right-1, rect.bottom-1 ); |
| LineTo( hdc, 0, rect.bottom-1 ); |
| LineTo( hdc, 0, 0 ); |
| InflateRect( &rect, -1, -1 ); |
| } |
| |
| if ((wndPtr->dwStyle & WS_DLGFRAME) && |
| ((wndPtr->dwExStyle & WS_EX_DLGMODALFRAME) || |
| !(wndPtr->dwStyle & WS_BORDER))) NC_DrawFrame( hdc, &rect, TRUE ); |
| else if (wndPtr->dwStyle & WS_THICKFRAME) NC_DrawFrame(hdc, &rect, FALSE); |
| |
| if ((wndPtr->dwStyle & WS_CAPTION) == WS_CAPTION) |
| { |
| RECT r = rect; |
| rect.top += SYSMETRICS_CYSIZE + 1; |
| r.bottom = rect.top - 1; |
| if (wndPtr->dwExStyle & WS_EX_DLGMODALFRAME) |
| { |
| HBRUSH hbrushWindow = CreateSolidBrush(GetSysColor(COLOR_WINDOW)); |
| HBRUSH hbrushOld = SelectObject( hdc, hbrushWindow ); |
| PatBlt( hdc, r.left, r.top, 1, r.bottom-r.top+1, PATCOPY ); |
| PatBlt( hdc, r.right-1, r.top, 1, r.bottom-r.top+1, PATCOPY ); |
| PatBlt( hdc, r.left, r.top, r.right-r.left, 1, PATCOPY ); |
| r.left++; |
| r.right--; |
| r.top++; |
| SelectObject( hdc, hbrushOld ); |
| DeleteObject( hbrushWindow ); |
| } |
| NC_DrawCaption( hdc, &r, hwnd, wndPtr->dwStyle ); |
| } |
| |
| if (wndPtr->dwStyle & (WS_VSCROLL | WS_HSCROLL)) |
| { |
| HBRUSH hbrushScroll = CreateSolidBrush( GetSysColor(COLOR_SCROLLBAR) ); |
| HBRUSH hbrushOld = SelectObject( hdc, hbrushScroll ); |
| if (wndPtr->dwStyle & WS_VSCROLL) |
| PatBlt( hdc, rect.right - SYSMETRICS_CXVSCROLL, rect.top, |
| SYSMETRICS_CXVSCROLL, rect.bottom-rect.top, PATCOPY ); |
| if (wndPtr->dwStyle & WS_HSCROLL) |
| PatBlt( hdc, rect.left, rect.bottom - SYSMETRICS_CYHSCROLL, |
| rect.right-rect.left, SYSMETRICS_CYHSCROLL, PATCOPY ); |
| SelectObject( hdc, hbrushOld ); |
| DeleteObject( hbrushScroll ); |
| } |
| |
| ReleaseDC( hwnd, hdc ); |
| if (hbrushBorder) DeleteObject( hbrushBorder ); |
| if (hpenFrame) DeleteObject( hpenFrame ); |
| return 0; |
| } |
| |
| |
| /*********************************************************************** |
| * NC_HandleNCMouseMsg |
| * |
| * Handle a non-client mouse message. Called from DefWindowProc(). |
| */ |
| LONG NC_HandleNCMouseMsg( HWND hwnd, WORD msg, WORD wParam, LONG lParam ) |
| { |
| switch(wParam) /* Hit test code */ |
| { |
| case HTSYSMENU: |
| if (msg == WM_NCLBUTTONDBLCLK) |
| return SendMessage( hwnd, WM_SYSCOMMAND, SC_CLOSE, lParam ); |
| break; |
| } |
| return 0; |
| } |
| |