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Sweden-Number/windows/nonclient.c

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/*
* Non-client area window functions
*
* Copyright 1994 Alexandre Julliard
*/
static char Copyright[] = "Copyright Alexandre Julliard, 1994";
#include "win.h"
#include "class.h"
#include "message.h"
#include "sysmetrics.h"
#include "user.h"
#include "scroll.h"
#include "menu.h"
#include "syscolor.h"
static HBITMAP hbitmapClose = 0;
static HBITMAP hbitmapMDIClose = 0;
static HBITMAP hbitmapMinimize = 0;
static HBITMAP hbitmapMinimizeD = 0;
static HBITMAP hbitmapMaximize = 0;
static HBITMAP hbitmapMaximizeD = 0;
static HBITMAP hbitmapRestore = 0;
static HBITMAP hbitmapRestoreD = 0;
extern void WINPOS_GetMinMaxInfo( HWND hwnd, POINT *maxSize, POINT *maxPos,
POINT *minTrack, POINT *maxTrack ); /* winpos.c */
extern void CURSOR_SetWinCursor( HWND hwnd, HCURSOR hcursor ); /* cursor.c */
/* Some useful macros */
#define HAS_DLGFRAME(style,exStyle) \
(((style) & WS_DLGFRAME) && \
(((exStyle) & WS_EX_DLGMODALFRAME) || !((style) & WS_BORDER)))
#define HAS_THICKFRAME(style) \
(((style) & WS_THICKFRAME) && \
!(((style) & (WS_DLGFRAME|WS_BORDER)) == WS_DLGFRAME))
#define HAS_MENU(w) (!((w)->dwStyle & WS_CHILD) && ((w)->wIDmenu != 0))
#define ON_LEFT_BORDER(hit) \
(((hit) == HTLEFT) || ((hit) == HTTOPLEFT) || ((hit) == HTBOTTOMLEFT))
#define ON_RIGHT_BORDER(hit) \
(((hit) == HTRIGHT) || ((hit) == HTTOPRIGHT) || ((hit) == HTBOTTOMRIGHT))
#define ON_TOP_BORDER(hit) \
(((hit) == HTTOP) || ((hit) == HTTOPLEFT) || ((hit) == HTTOPRIGHT))
#define ON_BOTTOM_BORDER(hit) \
(((hit) == HTBOTTOM) || ((hit) == HTBOTTOMLEFT) || ((hit) == HTBOTTOMRIGHT))
/***********************************************************************
* 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 (HAS_DLGFRAME( style, exStyle ))
InflateRect( rect, SYSMETRICS_CXDLGFRAME, SYSMETRICS_CYDLGFRAME );
else
{
if (HAS_THICKFRAME(style))
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 };
WND *wndPtr = WIN_FindWndPtr( hwnd );
if (!wndPtr) return 0;
NC_AdjustRect( &tmpRect, wndPtr->dwStyle,
HAS_MENU(wndPtr), 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_GetInsideRect
*
* Get the 'inside' rectangle of a window, i.e. the whole window rectangle
* but without the borders (if any).
* The rectangle is in window coordinates (for drawing with GetWindowDC()).
*/
void NC_GetInsideRect( HWND hwnd, RECT *rect )
{
WND * wndPtr = WIN_FindWndPtr( hwnd );
rect->top = rect->left = 0;
rect->right = wndPtr->rectWindow.right - wndPtr->rectWindow.left;
rect->bottom = wndPtr->rectWindow.bottom - wndPtr->rectWindow.top;
/* Remove frame from rectangle */
if (HAS_DLGFRAME( wndPtr->dwStyle, wndPtr->dwExStyle ))
{
InflateRect( rect, -SYSMETRICS_CXDLGFRAME, -SYSMETRICS_CYDLGFRAME);
if (wndPtr->dwExStyle & WS_EX_DLGMODALFRAME) InflateRect( rect, -1, 0);
}
else
{
if (HAS_THICKFRAME( wndPtr->dwStyle ))
InflateRect( rect, -SYSMETRICS_CXFRAME, -SYSMETRICS_CYFRAME );
if (wndPtr->dwStyle & WS_BORDER)
InflateRect( rect, -SYSMETRICS_CXBORDER, -SYSMETRICS_CYBORDER );
}
}
/***********************************************************************
* NC_InternalNCHitTest
*
* Perform the hit test calculation, but whithout testing the capture
* window.
*/
static LONG NC_InternalNCHitTest( HWND hwnd, POINT pt )
{
RECT rect;
WND *wndPtr = WIN_FindWndPtr( hwnd );
if (!wndPtr) return HTERROR;
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 (HAS_MENU(wndPtr))
{
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 (!HAS_THICKFRAME( wndPtr->dwStyle )) 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_HandleNCHitTest
*
* Handle a WM_NCHITTEST message. Called from DefWindowProc().
*/
LONG NC_HandleNCHitTest( HWND hwnd, POINT pt )
{
#ifdef DEBUG_NONCLIENT
printf( "NC_HandleNCHitTest: hwnd=%x pt=%d,%d\n", hwnd, pt.x, pt.y );
#endif
if (hwnd == GetCapture()) return HTCLIENT;
return NC_InternalNCHitTest( hwnd, pt );
}
/***********************************************************************
* NC_DrawSysButton
*/
static void NC_DrawSysButton( HWND hwnd, HDC hdc, BOOL down )
{
RECT rect;
WND *wndPtr = WIN_FindWndPtr( hwnd );
HDC hdcMem = CreateCompatibleDC( hdc );
if (hdcMem)
{
NC_GetInsideRect( hwnd, &rect );
if (wndPtr->dwStyle & WS_CHILD)
SelectObject( hdcMem, hbitmapMDIClose );
else
SelectObject( hdcMem, hbitmapClose );
BitBlt( hdc, rect.left, rect.top, SYSMETRICS_CXSIZE,
SYSMETRICS_CYSIZE, hdcMem, 1, 1, down ? NOTSRCCOPY : SRCCOPY );
DeleteDC( hdcMem );
}
}
/***********************************************************************
* NC_DrawMaxButton
*/
static void NC_DrawMaxButton( HWND hwnd, HDC hdc, BOOL down )
{
RECT rect;
HDC hdcMem = CreateCompatibleDC( hdc );
if (hdcMem)
{
NC_GetInsideRect( hwnd, &rect );
if (IsZoomed(hwnd))
SelectObject( hdcMem, down ? hbitmapRestoreD : hbitmapRestore );
else SelectObject( hdcMem, down ? hbitmapMaximizeD : hbitmapMaximize );
BitBlt( hdc, rect.right - SYSMETRICS_CXSIZE - 1, rect.top - 1,
SYSMETRICS_CXSIZE+2, SYSMETRICS_CYSIZE+2, hdcMem, 0, 0, SRCCOPY);
DeleteDC( hdcMem );
}
}
/***********************************************************************
* NC_DrawMinButton
*/
static void NC_DrawMinButton( HWND hwnd, HDC hdc, BOOL down )
{
RECT rect;
WND *wndPtr = WIN_FindWndPtr( hwnd );
HDC hdcMem = CreateCompatibleDC( hdc );
if (hdcMem)
{
NC_GetInsideRect( hwnd, &rect );
if (wndPtr->dwStyle & WS_MAXIMIZEBOX)
rect.right -= SYSMETRICS_CXSIZE + 1;
if (down) SelectObject( hdcMem, hbitmapMinimizeD );
else SelectObject( hdcMem, hbitmapMinimize );
BitBlt( hdc, rect.right - SYSMETRICS_CXSIZE - 1, rect.top - 1,
SYSMETRICS_CXSIZE+2, SYSMETRICS_CYSIZE+2, hdcMem, 0, 0, SRCCOPY);
DeleteDC( hdcMem );
}
}
/***********************************************************************
* 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 - 1;
height = SYSMETRICS_CYDLGFRAME - 1;
}
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_DrawMovingFrame
*
* Draw the frame used when moving or resizing window.
*/
static void NC_DrawMovingFrame( HDC hdc, RECT *rect, BOOL thickframe )
{
if (thickframe)
{
SelectObject( hdc, GetStockObject( GRAY_BRUSH ) );
PatBlt( hdc, rect->left, rect->top,
rect->right - rect->left - SYSMETRICS_CXFRAME,
SYSMETRICS_CYFRAME, PATINVERT );
PatBlt( hdc, rect->left, rect->top + SYSMETRICS_CYFRAME,
SYSMETRICS_CXFRAME,
rect->bottom - rect->top - SYSMETRICS_CYFRAME, PATINVERT );
PatBlt( hdc, rect->left + SYSMETRICS_CXFRAME, rect->bottom,
rect->right - rect->left - SYSMETRICS_CXFRAME,
-SYSMETRICS_CYFRAME, PATINVERT );
PatBlt( hdc, rect->right, rect->top, -SYSMETRICS_CXFRAME,
rect->bottom - rect->top - SYSMETRICS_CYFRAME, PATINVERT );
}
else DrawFocusRect( hdc, rect );
}
/***********************************************************************
* 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, BOOL active )
{
RECT r = *rect;
WND * wndPtr = WIN_FindWndPtr( hwnd );
char buffer[256];
if (!hbitmapClose)
{
if (!(hbitmapClose = LoadBitmap( 0, MAKEINTRESOURCE(OBM_CLOSE) )))
return;
if (!(hbitmapMDIClose = LoadBitmap( 0, MAKEINTRESOURCE(OBM_OLD_CLOSE) )))
return;
hbitmapMinimize = LoadBitmap( 0, MAKEINTRESOURCE(OBM_REDUCE) );
hbitmapMinimizeD = LoadBitmap( 0, MAKEINTRESOURCE(OBM_REDUCED) );
hbitmapMaximize = LoadBitmap( 0, MAKEINTRESOURCE(OBM_ZOOM) );
hbitmapMaximizeD = LoadBitmap( 0, MAKEINTRESOURCE(OBM_ZOOMD) );
hbitmapRestore = LoadBitmap( 0, MAKEINTRESOURCE(OBM_RESTORE) );
hbitmapRestoreD = LoadBitmap( 0, MAKEINTRESOURCE(OBM_RESTORED) );
}
if (wndPtr->dwExStyle & WS_EX_DLGMODALFRAME)
{
HBRUSH hbrushOld = SelectObject( hdc, sysColorObjects.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-1, r.right-r.left, 1, PATCOPY );
r.left++;
r.right--;
SelectObject( hdc, hbrushOld );
}
MoveTo( hdc, r.left, r.bottom );
LineTo( hdc, r.right-1, r.bottom );
if (style & WS_SYSMENU)
{
NC_DrawSysButton( hwnd, hdc, FALSE );
r.left += SYSMETRICS_CXSIZE + 1;
MoveTo( hdc, r.left - 1, r.top );
LineTo( hdc, r.left - 1, r.bottom );
}
if (style & WS_MAXIMIZEBOX)
{
NC_DrawMaxButton( hwnd, hdc, FALSE );
r.right -= SYSMETRICS_CXSIZE + 1;
}
if (style & WS_MINIMIZEBOX)
{
NC_DrawMinButton( hwnd, hdc, FALSE );
r.right -= SYSMETRICS_CXSIZE + 1;
}
FillRect( hdc, &r, active ? sysColorObjects.hbrushActiveCaption :
sysColorObjects.hbrushInactiveCaption );
if (GetWindowText( hwnd, buffer, 256 ))
{
if (active) SetTextColor( hdc, GetSysColor( COLOR_CAPTIONTEXT ) );
else SetTextColor( hdc, GetSysColor( COLOR_INACTIVECAPTIONTEXT ) );
SetBkMode( hdc, TRANSPARENT );
DrawText( hdc, buffer, -1, &r, DT_SINGLELINE | DT_CENTER | DT_VCENTER);
}
}
/***********************************************************************
* NC_DoNCPaint
*
* Paint the non-client area.
* 'hrgn' is the update rgn to use (in client coords) or 1 if no update rgn.
*/
void NC_DoNCPaint( HWND hwnd, HRGN hrgn, BOOL active, BOOL suppress_menupaint )
{
HDC hdc;
RECT rect, rect2;
WND *wndPtr = WIN_FindWndPtr( hwnd );
#ifdef DEBUG_NONCLIENT
printf( "NC_DoNCPaint: %d %d\n", hwnd, hrgn );
#endif
if (!IsWindowVisible(hwnd)) return;
if (!wndPtr || !hrgn) return;
if (!(wndPtr->dwStyle & (WS_BORDER | WS_DLGFRAME | WS_THICKFRAME)))
return; /* Nothing to do! */
if (hrgn == 1) hdc = GetDCEx( hwnd, 0, DCX_CACHE | DCX_WINDOW );
else
{
/* Make region relative to window area */
int xoffset = wndPtr->rectWindow.left - wndPtr->rectClient.left;
int yoffset = wndPtr->rectWindow.top - wndPtr->rectClient.top;
OffsetRgn( hrgn, -xoffset, -yoffset );
hdc = GetDCEx( hwnd, hrgn, DCX_CACHE | DCX_WINDOW | DCX_INTERSECTRGN);
OffsetRgn( hrgn, xoffset, yoffset ); /* Restore region */
}
if (!hdc) return;
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;
}
rect.top = rect.left = 0;
rect.right = wndPtr->rectWindow.right - wndPtr->rectWindow.left;
rect.bottom = wndPtr->rectWindow.bottom - wndPtr->rectWindow.top;
SelectObject( hdc, sysColorObjects.hpenWindowFrame );
SelectObject( hdc, active ? sysColorObjects.hbrushActiveBorder :
sysColorObjects.hbrushInactiveBorder );
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 (HAS_DLGFRAME( wndPtr->dwStyle, wndPtr->dwExStyle ))
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;
NC_DrawCaption( hdc, &r, hwnd, wndPtr->dwStyle, active );
}
if (wndPtr->wIDmenu != 0 &&
(wndPtr->dwStyle & WS_CHILD) != WS_CHILD) {
LPPOPUPMENU lpMenu = (LPPOPUPMENU) GlobalLock(wndPtr->wIDmenu);
if (lpMenu != NULL) {
int oldHeight;
CopyRect(&rect2, &rect);
/* Default MenuBar height */
if (lpMenu->Height == 0) lpMenu->Height = SYSMETRICS_CYMENU + 1;
oldHeight = lpMenu->Height;
rect2.bottom = rect2.top + oldHeight;
StdDrawMenuBar(hdc, &rect2, lpMenu, suppress_menupaint);
if (oldHeight != lpMenu->Height) {
printf("NC_DoNCPaint // menubar changed oldHeight=%d != lpMenu->Height=%d\n",
oldHeight, lpMenu->Height);
/* Reduce ClientRect according to MenuBar height */
wndPtr->rectClient.top -= oldHeight;
wndPtr->rectClient.top += lpMenu->Height;
}
GlobalUnlock(wndPtr->wIDmenu);
}
}
if (wndPtr->dwStyle & (WS_VSCROLL | WS_HSCROLL)) {
if ((wndPtr->dwStyle & WS_VSCROLL) && (wndPtr->VScroll != NULL) &&
(wndPtr->scroll_flags & 0x0001)) {
int bottom = rect.bottom;
if ((wndPtr->dwStyle & WS_HSCROLL) && (wndPtr->scroll_flags & 0x0001))
bottom -= SYSMETRICS_CYHSCROLL;
SetRect(&rect2, rect.right - SYSMETRICS_CXVSCROLL,
rect.top, rect.right, bottom);
if (wndPtr->dwStyle & WS_CAPTION) rect.top += SYSMETRICS_CYSIZE;
if (wndPtr->wIDmenu != 0 && (wndPtr->dwStyle & WS_CHILD) != WS_CHILD)
rect2.top += SYSMETRICS_CYMENU + 1;
StdDrawScrollBar(hwnd, hdc, SB_VERT, &rect2, (LPHEADSCROLL)wndPtr->VScroll);
}
if ((wndPtr->dwStyle & WS_HSCROLL) && wndPtr->HScroll != NULL &&
(wndPtr->scroll_flags & 0x0002)) {
int right = rect.right;
if ((wndPtr->dwStyle & WS_VSCROLL) && (wndPtr->scroll_flags & 0x0001))
right -= SYSMETRICS_CYVSCROLL;
SetRect(&rect2, rect.left, rect.bottom - SYSMETRICS_CYHSCROLL,
right, rect.bottom);
StdDrawScrollBar(hwnd, hdc, SB_HORZ, &rect2, (LPHEADSCROLL)wndPtr->HScroll);
}
if ((wndPtr->dwStyle & WS_VSCROLL) && (wndPtr->dwStyle & WS_HSCROLL) &&
(wndPtr->scroll_flags & 0x0003) == 0x0003) {
RECT r = rect;
r.left = r.right - SYSMETRICS_CXVSCROLL;
r.top = r.bottom - SYSMETRICS_CYHSCROLL;
FillRect( hdc, &r, sysColorObjects.hbrushScrollbar );
}
}
ReleaseDC( hwnd, hdc );
}
/***********************************************************************
* NC_HandleNCPaint
*
* Handle a WM_NCPAINT message. Called from DefWindowProc().
*/
LONG NC_HandleNCPaint( HWND hwnd, HRGN hrgn )
{
NC_DoNCPaint( hwnd, hrgn, hwnd == GetActiveWindow(), FALSE );
return 0;
}
/***********************************************************************
* NC_HandleNCActivate
*
* Handle a WM_NCACTIVATE message. Called from DefWindowProc().
*/
LONG NC_HandleNCActivate( HWND hwnd, WORD wParam )
{
NC_DoNCPaint( hwnd, (HRGN)1, wParam, FALSE );
return TRUE;
}
/***********************************************************************
* NC_HandleSetCursor
*
* Handle a WM_SETCURSOR message. Called from DefWindowProc().
*/
LONG NC_HandleSetCursor( HWND hwnd, WORD wParam, LONG lParam )
{
if (hwnd != wParam) return 0; /* Don't set the cursor for child windows */
switch(LOWORD(lParam))
{
case HTERROR:
{
WORD msg = HIWORD( lParam );
if ((msg == WM_LBUTTONDOWN) || (msg == WM_MBUTTONDOWN) ||
(msg == WM_RBUTTONDOWN))
MessageBeep(0);
}
break;
case HTCLIENT:
{
WND *wndPtr;
CLASS *classPtr;
if (!(wndPtr = WIN_FindWndPtr( hwnd ))) break;
if (!(classPtr = CLASS_FindClassPtr( wndPtr->hClass ))) break;
if (classPtr->wc.hCursor)
{
CURSOR_SetWinCursor( hwnd, classPtr->wc.hCursor );
return TRUE;
}
}
break;
case HTLEFT:
case HTRIGHT:
CURSOR_SetWinCursor( hwnd, LoadCursor( 0, IDC_SIZEWE ) );
return TRUE;
case HTTOP:
case HTBOTTOM:
CURSOR_SetWinCursor( hwnd, LoadCursor( 0, IDC_SIZENS ) );
return TRUE;
case HTTOPLEFT:
case HTBOTTOMRIGHT:
CURSOR_SetWinCursor( hwnd, LoadCursor( 0, IDC_SIZENWSE ) );
return TRUE;
case HTTOPRIGHT:
case HTBOTTOMLEFT:
CURSOR_SetWinCursor( hwnd, LoadCursor( 0, IDC_SIZENESW ) );
return TRUE;
}
/* Default cursor: arrow */
CURSOR_SetWinCursor( hwnd, LoadCursor( 0, IDC_ARROW ) );
return TRUE;
}
/***********************************************************************
* NC_StartSizeMove
*
* Initialisation of a move or resize, when initiatied from a menu choice.
* Return hit test code for caption or sizing border.
*/
static LONG NC_StartSizeMove( HWND hwnd, WORD wParam, POINT *capturePoint )
{
LONG hittest = 0;
POINT pt;
MSG msg;
WND * wndPtr = WIN_FindWndPtr( hwnd );
if ((wParam & 0xfff0) == SC_MOVE)
{
/* Move pointer at the center of the caption */
RECT rect;
NC_GetInsideRect( hwnd, &rect );
if (wndPtr->dwStyle & WS_SYSMENU)
rect.left += SYSMETRICS_CXSIZE + 1;
if (wndPtr->dwStyle & WS_MINIMIZEBOX)
rect.right -= SYSMETRICS_CXSIZE + 1;
if (wndPtr->dwStyle & WS_MAXIMIZEBOX)
rect.right -= SYSMETRICS_CXSIZE + 1;
pt.x = wndPtr->rectWindow.left + (rect.right - rect.left) / 2;
pt.y = wndPtr->rectWindow.top + rect.top + SYSMETRICS_CYSIZE/2;
if (wndPtr->dwStyle & WS_CHILD)
ClientToScreen( wndPtr->hwndParent, &pt );
hittest = HTCAPTION;
}
else /* SC_SIZE */
{
SetCapture(hwnd);
while(!hittest)
{
MSG_GetHardwareMessage( &msg );
switch(msg.message)
{
case WM_MOUSEMOVE:
hittest = NC_InternalNCHitTest( hwnd, msg.pt );
pt = msg.pt;
if ((hittest < HTLEFT) || (hittest > HTBOTTOMRIGHT))
hittest = 0;
break;
case WM_LBUTTONUP:
return 0;
case WM_KEYDOWN:
switch(msg.wParam)
{
case VK_UP:
hittest = HTTOP;
pt.x =(wndPtr->rectWindow.left+wndPtr->rectWindow.right)/2;
pt.y = wndPtr->rectWindow.top + SYSMETRICS_CYFRAME / 2;
break;
case VK_DOWN:
hittest = HTBOTTOM;
pt.x =(wndPtr->rectWindow.left+wndPtr->rectWindow.right)/2;
pt.y = wndPtr->rectWindow.bottom - SYSMETRICS_CYFRAME / 2;
break;
case VK_LEFT:
hittest = HTLEFT;
pt.x = wndPtr->rectWindow.left + SYSMETRICS_CXFRAME / 2;
pt.y =(wndPtr->rectWindow.top+wndPtr->rectWindow.bottom)/2;
break;
case VK_RIGHT:
hittest = HTRIGHT;
pt.x = wndPtr->rectWindow.right - SYSMETRICS_CXFRAME / 2;
pt.y =(wndPtr->rectWindow.top+wndPtr->rectWindow.bottom)/2;
break;
case VK_RETURN:
case VK_ESCAPE: return 0;
}
}
}
}
*capturePoint = pt;
SetCursorPos( capturePoint->x, capturePoint->y );
NC_HandleSetCursor( hwnd, hwnd, MAKELONG( hittest, WM_MOUSEMOVE ));
return hittest;
}
/***********************************************************************
* NC_DoSizeMove
*
* Perform SC_MOVE and SC_SIZE commands.
*/
static void NC_DoSizeMove( HWND hwnd, WORD wParam, POINT pt )
{
MSG msg;
LONG hittest;
RECT sizingRect, mouseRect;
HDC hdc;
BOOL thickframe;
POINT minTrack, maxTrack, capturePoint = pt;
WND * wndPtr = WIN_FindWndPtr( hwnd );
if (IsZoomed(hwnd) || IsIconic(hwnd) || !IsWindowVisible(hwnd)) return;
hittest = wParam & 0x0f;
thickframe = HAS_THICKFRAME( wndPtr->dwStyle );
if ((wParam & 0xfff0) == SC_MOVE)
{
if (!(wndPtr->dwStyle & WS_CAPTION)) return;
if (!hittest) hittest = NC_StartSizeMove( hwnd, wParam, &capturePoint );
if (!hittest) return;
}
else /* SC_SIZE */
{
if (!thickframe) return;
if (hittest) hittest += HTLEFT-1;
else
{
SetCapture(hwnd);
hittest = NC_StartSizeMove( hwnd, wParam, &capturePoint );
if (!hittest)
{
ReleaseCapture();
return;
}
}
}
/* Get min/max info */
WINPOS_GetMinMaxInfo( hwnd, NULL, NULL, &minTrack, &maxTrack );
sizingRect = wndPtr->rectWindow;
if (wndPtr->dwStyle & WS_CHILD)
GetClientRect( wndPtr->hwndParent, &mouseRect );
else SetRect( &mouseRect, 0, 0, SYSMETRICS_CXSCREEN, SYSMETRICS_CYSCREEN );
if (ON_LEFT_BORDER(hittest))
{
mouseRect.left = max( mouseRect.left, sizingRect.right-maxTrack.x );
mouseRect.right = min( mouseRect.right, sizingRect.right-minTrack.x );
}
else if (ON_RIGHT_BORDER(hittest))
{
mouseRect.left = max( mouseRect.left, sizingRect.left+minTrack.x );
mouseRect.right = min( mouseRect.right, sizingRect.left+maxTrack.x );
}
if (ON_TOP_BORDER(hittest))
{
mouseRect.top = max( mouseRect.top, sizingRect.bottom-maxTrack.y );
mouseRect.bottom = min( mouseRect.bottom,sizingRect.bottom-minTrack.y);
}
else if (ON_BOTTOM_BORDER(hittest))
{
mouseRect.top = max( mouseRect.top, sizingRect.top+minTrack.y );
mouseRect.bottom = min( mouseRect.bottom, sizingRect.top+maxTrack.y );
}
SendMessage( hwnd, WM_ENTERSIZEMOVE, 0, 0 );
if (GetCapture() != hwnd) SetCapture( hwnd );
if (wndPtr->dwStyle & WS_CHILD) hdc = GetDC( wndPtr->hwndParent );
else
{ /* Grab the server only when moving top-level windows without desktop */
hdc = GetDC( 0 );
if (rootWindow == DefaultRootWindow(display)) XGrabServer( display );
}
NC_DrawMovingFrame( hdc, &sizingRect, thickframe );
while(1)
{
int dx = 0, dy = 0;
MSG_GetHardwareMessage( &msg );
/* Exit on button-up, Return, or Esc */
if ((msg.message == WM_LBUTTONUP) ||
((msg.message == WM_KEYDOWN) &&
((msg.wParam == VK_RETURN) || (msg.wParam == VK_ESCAPE)))) break;
if ((msg.message != WM_KEYDOWN) && (msg.message != WM_MOUSEMOVE))
continue; /* We are not interested in other messages */
pt = msg.pt;
if (wndPtr->dwStyle & WS_CHILD)
ScreenToClient( wndPtr->hwndParent, &pt );
if (msg.message == WM_KEYDOWN) switch(msg.wParam)
{
case VK_UP: pt.y -= 8; break;
case VK_DOWN: pt.y += 8; break;
case VK_LEFT: pt.x -= 8; break;
case VK_RIGHT: pt.x += 8; break;
}
pt.x = max( pt.x, mouseRect.left );
pt.x = min( pt.x, mouseRect.right );
pt.y = max( pt.y, mouseRect.top );
pt.y = min( pt.y, mouseRect.bottom );
dx = pt.x - capturePoint.x;
dy = pt.y - capturePoint.y;
if (dx || dy)
{
if (msg.message == WM_KEYDOWN) SetCursorPos( pt.x, pt.y );
else
{
RECT newRect = sizingRect;
if (hittest == HTCAPTION) OffsetRect( &newRect, dx, dy );
if (ON_LEFT_BORDER(hittest)) newRect.left += dx;
else if (ON_RIGHT_BORDER(hittest)) newRect.right += dx;
if (ON_TOP_BORDER(hittest)) newRect.top += dy;
else if (ON_BOTTOM_BORDER(hittest)) newRect.bottom += dy;
NC_DrawMovingFrame( hdc, &sizingRect, thickframe );
NC_DrawMovingFrame( hdc, &newRect, thickframe );
capturePoint = pt;
sizingRect = newRect;
}
}
}
NC_DrawMovingFrame( hdc, &sizingRect, thickframe );
ReleaseCapture();
if (wndPtr->dwStyle & WS_CHILD) ReleaseDC( wndPtr->hwndParent, hdc );
else
{
ReleaseDC( 0, hdc );
if (rootWindow == DefaultRootWindow(display)) XUngrabServer( display );
}
SendMessage( hwnd, WM_EXITSIZEMOVE, 0, 0 );
/* If Esc key, don't move the window */
if ((msg.message == WM_KEYDOWN) && (msg.wParam == VK_ESCAPE)) return;
if (hittest != HTCAPTION)
SetWindowPos( hwnd, 0, sizingRect.left, sizingRect.top,
sizingRect.right - sizingRect.left,
sizingRect.bottom - sizingRect.top,
SWP_NOACTIVATE | SWP_NOZORDER );
else SetWindowPos( hwnd, 0, sizingRect.left, sizingRect.top, 0, 0,
SWP_NOACTIVATE | SWP_NOSIZE | SWP_NOZORDER );
}
/***********************************************************************
* NC_TrackMinMaxBox
*
* Track a mouse button press on the minimize or maximize box.
*/
static void NC_TrackMinMaxBox( HWND hwnd, WORD wParam )
{
MSG msg;
HDC hdc = GetWindowDC( hwnd );
BOOL pressed = TRUE;
SetCapture( hwnd );
if (wParam == HTMINBUTTON) NC_DrawMinButton( hwnd, hdc, TRUE );
else NC_DrawMaxButton( hwnd, hdc, TRUE );
do
{
BOOL oldstate = pressed;
MSG_GetHardwareMessage( &msg );
pressed = (NC_InternalNCHitTest( hwnd, msg.pt ) == wParam);
if (pressed != oldstate)
{
if (wParam == HTMINBUTTON) NC_DrawMinButton( hwnd, hdc, pressed );
else NC_DrawMaxButton( hwnd, hdc, pressed );
}
} while (msg.message != WM_LBUTTONUP);
if (wParam == HTMINBUTTON) NC_DrawMinButton( hwnd, hdc, FALSE );
else NC_DrawMaxButton( hwnd, hdc, FALSE );
ReleaseCapture();
ReleaseDC( hwnd, hdc );
if (!pressed) return;
if (wParam == HTMINBUTTON)
SendMessage( hwnd, WM_SYSCOMMAND, SC_MINIMIZE, *(LONG*)&msg.pt );
else
SendMessage( hwnd, WM_SYSCOMMAND,
IsZoomed(hwnd) ? SC_RESTORE : SC_MAXIMIZE, *(LONG*)&msg.pt );
}
/***********************************************************************
* NC_TrackScrollBar
*
* Track a mouse button press on the horizontal or vertical scroll-bar.
*/
static void NC_TrackScrollBar( HWND hwnd, WORD wParam, POINT pt )
{
MSG msg;
WORD scrollbar;
if ((wParam & 0xfff0) == SC_HSCROLL)
{
if ((wParam & 0x0f) != HTHSCROLL) return;
scrollbar = SB_HORZ;
}
else /* SC_VSCROLL */
{
if ((wParam & 0x0f) != HTVSCROLL) return;
scrollbar = SB_VERT;
}
ScreenToClient( hwnd, &pt );
ScrollBarButtonDown( hwnd, scrollbar, pt.x, pt.y );
SetCapture( hwnd );
do
{
MSG_GetHardwareMessage( &msg );
ScreenToClient( msg.hwnd, &msg.pt );
switch(msg.message)
{
case WM_LBUTTONUP:
ScrollBarButtonUp( hwnd, scrollbar, msg.pt.x, msg.pt.y );
break;
case WM_MOUSEMOVE:
ScrollBarMouseMove(hwnd, scrollbar, msg.wParam, msg.pt.x,msg.pt.y);
break;
}
} while (msg.message != WM_LBUTTONUP);
ReleaseCapture();
}
/***********************************************************************
* NC_TrackMouseMenuBar
*
* Track a mouse events for the MenuBar.
*/
static void NC_TrackMouseMenuBar( HWND hwnd, WORD wParam, POINT pt )
{
WND *wndPtr;
LPPOPUPMENU lppop;
MSG msg;
wndPtr = WIN_FindWndPtr(hwnd);
lppop = (LPPOPUPMENU)GlobalLock(wndPtr->wIDmenu);
#ifdef DEBUG_MENU
printf("NC_TrackMouseMenuBar // wndPtr=%08X lppop=%08X !\n", wndPtr, lppop);
#endif
ScreenToClient(hwnd, &pt);
pt.y += lppop->rect.bottom;
SetCapture(hwnd);
MenuButtonDown(hwnd, lppop, pt.x, pt.y);
GlobalUnlock(wndPtr->wIDmenu);
}
/***********************************************************************
* NC_HandleNCLButtonDown
*
* Handle a WM_NCLBUTTONDOWN message. Called from DefWindowProc().
*/
LONG NC_HandleNCLButtonDown( HWND hwnd, WORD wParam, LONG lParam )
{
HDC hdc = GetWindowDC( hwnd );
switch(wParam) /* Hit test */
{
case HTCAPTION:
SendMessage( hwnd, WM_SYSCOMMAND, SC_MOVE + HTCAPTION, lParam );
break;
case HTSYSMENU:
NC_DrawSysButton( hwnd, hdc, TRUE );
NC_TrackSysMenu(hwnd);
break;
case HTMENU:
SendMessage( hwnd, WM_SYSCOMMAND, SC_MOUSEMENU, lParam );
break;
case HTHSCROLL:
SendMessage( hwnd, WM_SYSCOMMAND, SC_HSCROLL + HTHSCROLL, lParam );
break;
case HTVSCROLL:
SendMessage( hwnd, WM_SYSCOMMAND, SC_VSCROLL + HTVSCROLL, lParam );
break;
case HTMINBUTTON:
case HTMAXBUTTON:
NC_TrackMinMaxBox( hwnd, wParam );
break;
case HTLEFT:
case HTRIGHT:
case HTTOP:
case HTTOPLEFT:
case HTTOPRIGHT:
case HTBOTTOM:
case HTBOTTOMLEFT:
case HTBOTTOMRIGHT:
SendMessage( hwnd, WM_SYSCOMMAND, SC_SIZE + wParam - HTLEFT+1, lParam);
break;
case HTBORDER:
break;
}
ReleaseDC( hwnd, hdc );
return 0;
}
/***********************************************************************
* NC_HandleNCLButtonDblClk
*
* Handle a WM_NCLBUTTONDBLCLK message. Called from DefWindowProc().
*/
LONG NC_HandleNCLButtonDblClk( HWND hwnd, WORD wParam, LONG lParam )
{
switch(wParam) /* Hit test */
{
case HTCAPTION:
SendMessage( hwnd, WM_SYSCOMMAND, SC_MAXIMIZE, lParam );
break;
case HTSYSMENU:
SendMessage( hwnd, WM_SYSCOMMAND, SC_CLOSE, lParam );
break;
}
return 0;
}
/***********************************************************************
* NC_HandleSysCommand
*
* Handle a WM_SYSCOMMAND message. Called from DefWindowProc().
*/
LONG NC_HandleSysCommand( HWND hwnd, WORD wParam, POINT pt )
{
WND *wndPtr = WIN_FindWndPtr( hwnd );
#ifdef DEBUG_NONCLIENT
printf( "Handling WM_SYSCOMMAND %x %d,%d\n", wParam, pt.x, pt.y );
#endif
if (wndPtr->dwStyle & WS_CHILD) ScreenToClient( wndPtr->hwndParent, &pt );
switch (wParam & 0xfff0)
{
case SC_SIZE:
case SC_MOVE:
NC_DoSizeMove( hwnd, wParam, pt );
break;
case SC_MINIMIZE:
ShowWindow( hwnd, SW_MINIMIZE );
break;
case SC_MAXIMIZE:
ShowWindow( hwnd, SW_MAXIMIZE );
break;
case SC_RESTORE:
ShowWindow( hwnd, SW_RESTORE );
break;
case SC_NEXTWINDOW:
case SC_PREVWINDOW:
break;
case SC_CLOSE:
return SendMessage( hwnd, WM_CLOSE, 0, 0 );
case SC_VSCROLL:
case SC_HSCROLL:
if (wndPtr->dwStyle & WS_CHILD) ClientToScreen(wndPtr->hwndParent, &pt);
NC_TrackScrollBar( hwnd, wParam, pt );
break;
case SC_MOUSEMENU:
NC_TrackMouseMenuBar( hwnd, wParam, pt );
break;
case SC_KEYMENU:
/* NC_KeyMenuBar( hwnd, wParam, pt ); */
break;
case SC_ARRANGE:
break;
case SC_TASKLIST:
case SC_SCREENSAVE:
case SC_HOTKEY:
break;
}
return 0;
}
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