/* * Window position related functions. * * Copyright 1993, 1994, 1995 Alexandre Julliard * 1995, 1996, 1999 Alex Korobka * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2.1 of the License, or (at your option) any later version. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA */ #include #include "ntstatus.h" #define WIN32_NO_STATUS #include "user_private.h" #include "winerror.h" #include "controls.h" #include "win.h" #include "wine/server.h" #include "wine/debug.h" WINE_DEFAULT_DEBUG_CHANNEL(win); #define SWP_AGG_NOGEOMETRYCHANGE \ (SWP_NOSIZE | SWP_NOCLIENTSIZE | SWP_NOZORDER) #define SWP_AGG_NOPOSCHANGE \ (SWP_NOSIZE | SWP_NOMOVE | SWP_NOCLIENTSIZE | SWP_NOCLIENTMOVE | SWP_NOZORDER) #define SWP_AGG_STATUSFLAGS \ (SWP_AGG_NOPOSCHANGE | SWP_FRAMECHANGED | SWP_HIDEWINDOW | SWP_SHOWWINDOW) #define SWP_AGG_NOCLIENTCHANGE \ (SWP_NOCLIENTSIZE | SWP_NOCLIENTMOVE) #define HAS_DLGFRAME(style,exStyle) \ (((exStyle) & WS_EX_DLGMODALFRAME) || \ (((style) & WS_DLGFRAME) && !((style) & WS_BORDER))) #define HAS_THICKFRAME(style) \ (((style) & WS_THICKFRAME) && \ !(((style) & (WS_DLGFRAME|WS_BORDER)) == WS_DLGFRAME)) #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)) #define PLACE_MIN 0x0001 #define PLACE_MAX 0x0002 #define PLACE_RECT 0x0004 /*********************************************************************** * SwitchToThisWindow (USER32.@) */ void WINAPI SwitchToThisWindow( HWND hwnd, BOOL alt_tab ) { if (IsIconic( hwnd )) NtUserShowWindow( hwnd, SW_RESTORE ); else BringWindowToTop( hwnd ); } /*********************************************************************** * GetWindowRect (USER32.@) */ BOOL WINAPI GetWindowRect( HWND hwnd, LPRECT rect ) { BOOL ret = NtUserCallHwndParam( hwnd, (UINT_PTR)rect, NtUserGetWindowRect ); if (ret) TRACE( "hwnd %p %s\n", hwnd, wine_dbgstr_rect(rect) ); return ret; } /*********************************************************************** * GetWindowRgn (USER32.@) */ int WINAPI GetWindowRgn( HWND hwnd, HRGN hrgn ) { return NtUserGetWindowRgnEx( hwnd, hrgn, 0 ); } /*********************************************************************** * GetWindowRgnBox (USER32.@) */ int WINAPI GetWindowRgnBox( HWND hwnd, LPRECT prect ) { int ret = ERROR; HRGN hrgn; if (!prect) return ERROR; if ((hrgn = CreateRectRgn(0, 0, 0, 0))) { if ((ret = GetWindowRgn( hwnd, hrgn )) != ERROR ) ret = GetRgnBox( hrgn, prect ); DeleteObject(hrgn); } return ret; } /*********************************************************************** * GetClientRect (USER32.@) */ BOOL WINAPI GetClientRect( HWND hwnd, LPRECT rect ) { return NtUserCallHwndParam( hwnd, (UINT_PTR)rect, NtUserGetClientRect ); } /*********************************************************************** * list_children_from_point * * Get the list of children that can contain point from the server. * Point is in screen coordinates. * Returned list must be freed by caller. */ static HWND *list_children_from_point( HWND hwnd, POINT pt ) { HWND *list; int i, size = 128; for (;;) { int count = 0; if (!(list = HeapAlloc( GetProcessHeap(), 0, size * sizeof(HWND) ))) break; SERVER_START_REQ( get_window_children_from_point ) { req->parent = wine_server_user_handle( hwnd ); req->x = pt.x; req->y = pt.y; req->dpi = get_thread_dpi(); wine_server_set_reply( req, list, (size-1) * sizeof(user_handle_t) ); if (!wine_server_call( req )) count = reply->count; } SERVER_END_REQ; if (count && count < size) { /* start from the end since HWND is potentially larger than user_handle_t */ for (i = count - 1; i >= 0; i--) list[i] = wine_server_ptr_handle( ((user_handle_t *)list)[i] ); list[count] = 0; return list; } HeapFree( GetProcessHeap(), 0, list ); if (!count) break; size = count + 1; /* restart with a large enough buffer */ } return NULL; } /*********************************************************************** * WINPOS_WindowFromPoint * * Find the window and hittest for a given point. */ HWND WINPOS_WindowFromPoint( HWND hwndScope, POINT pt, INT *hittest ) { int i, res; HWND ret, *list; POINT win_pt; if (!hwndScope) hwndScope = GetDesktopWindow(); *hittest = HTNOWHERE; if (!(list = list_children_from_point( hwndScope, pt ))) return 0; /* now determine the hittest */ for (i = 0; list[i]; i++) { LONG style = GetWindowLongW( list[i], GWL_STYLE ); /* If window is minimized or disabled, return at once */ if (style & WS_DISABLED) { *hittest = HTERROR; break; } /* Send WM_NCCHITTEST (if same thread) */ if (!WIN_IsCurrentThread( list[i] )) { *hittest = HTCLIENT; break; } win_pt = point_thread_to_win_dpi( list[i], pt ); res = SendMessageW( list[i], WM_NCHITTEST, 0, MAKELPARAM( win_pt.x, win_pt.y )); if (res != HTTRANSPARENT) { *hittest = res; /* Found the window */ break; } /* continue search with next window in z-order */ } ret = list[i]; HeapFree( GetProcessHeap(), 0, list ); TRACE( "scope %p (%d,%d) returning %p\n", hwndScope, pt.x, pt.y, ret ); return ret; } /******************************************************************* * WindowFromPoint (USER32.@) */ HWND WINAPI WindowFromPoint( POINT pt ) { return NtUserWindowFromPoint( pt.x, pt.y ); } /******************************************************************* * ChildWindowFromPoint (USER32.@) */ HWND WINAPI ChildWindowFromPoint( HWND hwndParent, POINT pt ) { return ChildWindowFromPointEx( hwndParent, pt, CWP_ALL ); } /******************************************************************* * RealChildWindowFromPoint (USER32.@) */ HWND WINAPI RealChildWindowFromPoint( HWND hwndParent, POINT pt ) { return ChildWindowFromPointEx( hwndParent, pt, CWP_SKIPTRANSPARENT | CWP_SKIPINVISIBLE ); } /******************************************************************* * ChildWindowFromPointEx (USER32.@) */ HWND WINAPI ChildWindowFromPointEx( HWND hwndParent, POINT pt, UINT uFlags) { /* pt is in the client coordinates */ HWND *list; int i; RECT rect; HWND retvalue; GetClientRect( hwndParent, &rect ); if (!PtInRect( &rect, pt )) return 0; if (!(list = WIN_ListChildren( hwndParent ))) return hwndParent; for (i = 0; list[i]; i++) { if (!WIN_GetRectangles( list[i], COORDS_PARENT, &rect, NULL )) continue; if (!PtInRect( &rect, pt )) continue; if (uFlags & (CWP_SKIPINVISIBLE|CWP_SKIPDISABLED)) { LONG style = GetWindowLongW( list[i], GWL_STYLE ); if ((uFlags & CWP_SKIPINVISIBLE) && !(style & WS_VISIBLE)) continue; if ((uFlags & CWP_SKIPDISABLED) && (style & WS_DISABLED)) continue; } if (uFlags & CWP_SKIPTRANSPARENT) { if (GetWindowLongW( list[i], GWL_EXSTYLE ) & WS_EX_TRANSPARENT) continue; } break; } retvalue = list[i]; HeapFree( GetProcessHeap(), 0, list ); if (!retvalue) retvalue = hwndParent; return retvalue; } /******************************************************************* * WINPOS_GetWinOffset * * Calculate the offset between the origin of the two windows. Used * to implement MapWindowPoints. */ static BOOL WINPOS_GetWinOffset( HWND hwndFrom, HWND hwndTo, BOOL *mirrored, POINT *ret_offset ) { WND * wndPtr; POINT offset; BOOL mirror_from, mirror_to, ret; HWND hwnd; offset.x = offset.y = 0; *mirrored = mirror_from = mirror_to = FALSE; /* Translate source window origin to screen coords */ if (hwndFrom) { if (!(wndPtr = WIN_GetPtr( hwndFrom ))) { SetLastError( ERROR_INVALID_WINDOW_HANDLE ); return FALSE; } if (wndPtr == WND_OTHER_PROCESS) goto other_process; if (wndPtr != WND_DESKTOP) { if (wndPtr->dwExStyle & WS_EX_LAYOUTRTL) { mirror_from = TRUE; offset.x += wndPtr->client_rect.right - wndPtr->client_rect.left; } while (wndPtr->parent) { offset.x += wndPtr->client_rect.left; offset.y += wndPtr->client_rect.top; hwnd = wndPtr->parent; WIN_ReleasePtr( wndPtr ); if (!(wndPtr = WIN_GetPtr( hwnd ))) break; if (wndPtr == WND_OTHER_PROCESS) goto other_process; if (wndPtr == WND_DESKTOP) break; if (wndPtr->flags & WIN_CHILDREN_MOVED) { WIN_ReleasePtr( wndPtr ); goto other_process; } } if (wndPtr && wndPtr != WND_DESKTOP) WIN_ReleasePtr( wndPtr ); offset = point_win_to_thread_dpi( hwndFrom, offset ); } } /* Translate origin to destination window coords */ if (hwndTo) { if (!(wndPtr = WIN_GetPtr( hwndTo ))) { SetLastError( ERROR_INVALID_WINDOW_HANDLE ); return FALSE; } if (wndPtr == WND_OTHER_PROCESS) goto other_process; if (wndPtr != WND_DESKTOP) { POINT pt = { 0, 0 }; if (wndPtr->dwExStyle & WS_EX_LAYOUTRTL) { mirror_to = TRUE; pt.x += wndPtr->client_rect.right - wndPtr->client_rect.left; } while (wndPtr->parent) { pt.x += wndPtr->client_rect.left; pt.y += wndPtr->client_rect.top; hwnd = wndPtr->parent; WIN_ReleasePtr( wndPtr ); if (!(wndPtr = WIN_GetPtr( hwnd ))) break; if (wndPtr == WND_OTHER_PROCESS) goto other_process; if (wndPtr == WND_DESKTOP) break; if (wndPtr->flags & WIN_CHILDREN_MOVED) { WIN_ReleasePtr( wndPtr ); goto other_process; } } if (wndPtr && wndPtr != WND_DESKTOP) WIN_ReleasePtr( wndPtr ); pt = point_win_to_thread_dpi( hwndTo, pt ); offset.x -= pt.x; offset.y -= pt.y; } } *mirrored = mirror_from ^ mirror_to; if (mirror_from) offset.x = -offset.x; *ret_offset = offset; return TRUE; other_process: /* one of the parents may belong to another process, do it the hard way */ SERVER_START_REQ( get_windows_offset ) { req->from = wine_server_user_handle( hwndFrom ); req->to = wine_server_user_handle( hwndTo ); req->dpi = get_thread_dpi(); if ((ret = !wine_server_call_err( req ))) { ret_offset->x = reply->x; ret_offset->y = reply->y; *mirrored = reply->mirror; } } SERVER_END_REQ; return ret; } /******************************************************************* * MapWindowPoints (USER32.@) */ INT WINAPI MapWindowPoints( HWND hwndFrom, HWND hwndTo, LPPOINT lppt, UINT count ) { BOOL mirrored; POINT offset; UINT i; if (!WINPOS_GetWinOffset( hwndFrom, hwndTo, &mirrored, &offset )) return 0; for (i = 0; i < count; i++) { lppt[i].x += offset.x; lppt[i].y += offset.y; if (mirrored) lppt[i].x = -lppt[i].x; } if (mirrored && count == 2) /* special case for rectangle */ { int tmp = lppt[0].x; lppt[0].x = lppt[1].x; lppt[1].x = tmp; } return MAKELONG( LOWORD(offset.x), LOWORD(offset.y) ); } /******************************************************************* * ClientToScreen (USER32.@) */ BOOL WINAPI ClientToScreen( HWND hwnd, LPPOINT lppnt ) { POINT offset; BOOL mirrored; if (!hwnd) { SetLastError( ERROR_INVALID_WINDOW_HANDLE ); return FALSE; } if (!WINPOS_GetWinOffset( hwnd, 0, &mirrored, &offset )) return FALSE; lppnt->x += offset.x; lppnt->y += offset.y; if (mirrored) lppnt->x = -lppnt->x; return TRUE; } /******************************************************************* * ScreenToClient (USER32.@) */ BOOL WINAPI ScreenToClient( HWND hwnd, LPPOINT lppnt ) { POINT offset; BOOL mirrored; if (!hwnd) { SetLastError( ERROR_INVALID_WINDOW_HANDLE ); return FALSE; } if (!WINPOS_GetWinOffset( 0, hwnd, &mirrored, &offset )) return FALSE; lppnt->x += offset.x; lppnt->y += offset.y; if (mirrored) lppnt->x = -lppnt->x; return TRUE; } /*********************************************************************** * IsIconic (USER32.@) */ BOOL WINAPI IsIconic(HWND hWnd) { return (GetWindowLongW( hWnd, GWL_STYLE ) & WS_MINIMIZE) != 0; } /*********************************************************************** * IsZoomed (USER32.@) */ BOOL WINAPI IsZoomed(HWND hWnd) { return (GetWindowLongW( hWnd, GWL_STYLE ) & WS_MAXIMIZE) != 0; } /******************************************************************* * AllowSetForegroundWindow (USER32.@) */ BOOL WINAPI AllowSetForegroundWindow( DWORD procid ) { /* FIXME: If Win98/2000 style SetForegroundWindow behavior is * implemented, then fix this function. */ return TRUE; } /******************************************************************* * LockSetForegroundWindow (USER32.@) */ BOOL WINAPI LockSetForegroundWindow( UINT lockcode ) { /* FIXME: If Win98/2000 style SetForegroundWindow behavior is * implemented, then fix this function. */ return TRUE; } /*********************************************************************** * BringWindowToTop (USER32.@) */ BOOL WINAPI BringWindowToTop( HWND hwnd ) { return NtUserSetWindowPos( hwnd, HWND_TOP, 0, 0, 0, 0, SWP_NOMOVE|SWP_NOSIZE ); } /******************************************************************* * get_work_rect * * Get the work area that a maximized window can cover, depending on style. */ static BOOL get_work_rect( HWND hwnd, RECT *rect ) { HMONITOR monitor = MonitorFromWindow( hwnd, MONITOR_DEFAULTTOPRIMARY ); MONITORINFO mon_info; DWORD style; if (!monitor) return FALSE; mon_info.cbSize = sizeof(mon_info); GetMonitorInfoW( monitor, &mon_info ); *rect = mon_info.rcMonitor; style = GetWindowLongW( hwnd, GWL_STYLE ); if (style & WS_MAXIMIZEBOX) { if ((style & WS_CAPTION) == WS_CAPTION || !(style & (WS_CHILD | WS_POPUP))) *rect = mon_info.rcWork; } return TRUE; } /******************************************************************* * WINPOS_GetMinMaxInfo * * Get the minimized and maximized information for a window. */ MINMAXINFO WINPOS_GetMinMaxInfo( HWND hwnd ) { MINMAXINFO info; NtUserCallHwndParam( hwnd, (UINT_PTR)&info, NtUserGetMinMaxInfo ); return info; } static POINT get_first_minimized_child_pos( const RECT *parent, const MINIMIZEDMETRICS *mm, int width, int height ) { POINT ret; if (mm->iArrange & ARW_STARTRIGHT) ret.x = parent->right - mm->iHorzGap - width; else ret.x = parent->left + mm->iHorzGap; if (mm->iArrange & ARW_STARTTOP) ret.y = parent->top + mm->iVertGap; else ret.y = parent->bottom - mm->iVertGap - height; return ret; } static void get_next_minimized_child_pos( const RECT *parent, const MINIMIZEDMETRICS *mm, int width, int height, POINT *pos ) { BOOL next; if (mm->iArrange & ARW_UP) /* == ARW_DOWN */ { if (mm->iArrange & ARW_STARTTOP) { pos->y += height + mm->iVertGap; if ((next = pos->y + height > parent->bottom)) pos->y = parent->top + mm->iVertGap; } else { pos->y -= height + mm->iVertGap; if ((next = pos->y < parent->top)) pos->y = parent->bottom - mm->iVertGap - height; } if (next) { if (mm->iArrange & ARW_STARTRIGHT) pos->x -= width + mm->iHorzGap; else pos->x += width + mm->iHorzGap; } } else { if (mm->iArrange & ARW_STARTRIGHT) { pos->x -= width + mm->iHorzGap; if ((next = pos->x < parent->left)) pos->x = parent->right - mm->iHorzGap - width; } else { pos->x += width + mm->iHorzGap; if ((next = pos->x + width > parent->right)) pos->x = parent->left + mm->iHorzGap; } if (next) { if (mm->iArrange & ARW_STARTTOP) pos->y += height + mm->iVertGap; else pos->y -= height + mm->iVertGap; } } } static POINT get_minimized_pos( HWND hwnd, POINT pt ) { RECT rect, rectParent; HWND parent, child; HRGN hrgn, tmp; MINIMIZEDMETRICS metrics; int width, height; parent = NtUserGetAncestor( hwnd, GA_PARENT ); if (parent == GetDesktopWindow()) { MONITORINFO mon_info; HMONITOR monitor = MonitorFromWindow( hwnd, MONITOR_DEFAULTTOPRIMARY ); mon_info.cbSize = sizeof( mon_info ); GetMonitorInfoW( monitor, &mon_info ); rectParent = mon_info.rcWork; } else GetClientRect( parent, &rectParent ); if ((pt.x >= rectParent.left) && (pt.x + GetSystemMetrics( SM_CXMINIMIZED ) < rectParent.right) && (pt.y >= rectParent.top) && (pt.y + GetSystemMetrics( SM_CYMINIMIZED ) < rectParent.bottom)) return pt; /* The icon already has a suitable position */ width = GetSystemMetrics( SM_CXMINIMIZED ); height = GetSystemMetrics( SM_CYMINIMIZED ); metrics.cbSize = sizeof(metrics); SystemParametersInfoW( SPI_GETMINIMIZEDMETRICS, sizeof(metrics), &metrics, 0 ); /* Check if another icon already occupies this spot */ /* FIXME: this is completely inefficient */ hrgn = CreateRectRgn( 0, 0, 0, 0 ); tmp = CreateRectRgn( 0, 0, 0, 0 ); for (child = GetWindow( parent, GW_CHILD ); child; child = GetWindow( child, GW_HWNDNEXT )) { if (child == hwnd) continue; if ((GetWindowLongW( child, GWL_STYLE ) & (WS_VISIBLE|WS_MINIMIZE)) != (WS_VISIBLE|WS_MINIMIZE)) continue; if (WIN_GetRectangles( child, COORDS_PARENT, &rect, NULL )) { SetRectRgn( tmp, rect.left, rect.top, rect.right, rect.bottom ); CombineRgn( hrgn, hrgn, tmp, RGN_OR ); } } DeleteObject( tmp ); pt = get_first_minimized_child_pos( &rectParent, &metrics, width, height ); for (;;) { SetRect( &rect, pt.x, pt.y, pt.x + width, pt.y + height ); if (!RectInRegion( hrgn, &rect )) break; get_next_minimized_child_pos( &rectParent, &metrics, width, height, &pt ); } DeleteObject( hrgn ); return pt; } /*********************************************************************** * WINPOS_MinMaximize */ UINT WINPOS_MinMaximize( HWND hwnd, UINT cmd, LPRECT rect ) { UINT swpFlags = 0; LONG old_style; MINMAXINFO minmax; WINDOWPLACEMENT wpl; TRACE("%p %u\n", hwnd, cmd ); wpl.length = sizeof(wpl); GetWindowPlacement( hwnd, &wpl ); if (HOOK_CallHooks( WH_CBT, HCBT_MINMAX, (WPARAM)hwnd, cmd, TRUE )) return SWP_NOSIZE | SWP_NOMOVE; if (IsIconic( hwnd )) { switch (cmd) { case SW_SHOWMINNOACTIVE: case SW_SHOWMINIMIZED: case SW_FORCEMINIMIZE: case SW_MINIMIZE: wpl.ptMinPosition = get_minimized_pos( hwnd, wpl.ptMinPosition ); SetRect( rect, wpl.ptMinPosition.x, wpl.ptMinPosition.y, wpl.ptMinPosition.x + GetSystemMetrics(SM_CXMINIMIZED), wpl.ptMinPosition.y + GetSystemMetrics(SM_CYMINIMIZED) ); return SWP_NOSIZE | SWP_NOMOVE; } if (!SendMessageW( hwnd, WM_QUERYOPEN, 0, 0 )) return SWP_NOSIZE | SWP_NOMOVE; swpFlags |= SWP_NOCOPYBITS; } switch( cmd ) { case SW_SHOWMINNOACTIVE: case SW_SHOWMINIMIZED: case SW_FORCEMINIMIZE: case SW_MINIMIZE: if (IsZoomed( hwnd )) win_set_flags( hwnd, WIN_RESTORE_MAX, 0 ); else win_set_flags( hwnd, 0, WIN_RESTORE_MAX ); if (GetFocus() == hwnd) { if (GetWindowLongW(hwnd, GWL_STYLE) & WS_CHILD) NtUserSetFocus( NtUserGetAncestor( hwnd, GA_PARENT )); else NtUserSetFocus( 0 ); } old_style = WIN_SetStyle( hwnd, WS_MINIMIZE, WS_MAXIMIZE ); wpl.ptMinPosition = get_minimized_pos( hwnd, wpl.ptMinPosition ); if (!(old_style & WS_MINIMIZE)) swpFlags |= SWP_STATECHANGED; SetRect( rect, wpl.ptMinPosition.x, wpl.ptMinPosition.y, wpl.ptMinPosition.x + GetSystemMetrics(SM_CXMINIMIZED), wpl.ptMinPosition.y + GetSystemMetrics(SM_CYMINIMIZED) ); swpFlags |= SWP_NOCOPYBITS; break; case SW_MAXIMIZE: old_style = GetWindowLongW( hwnd, GWL_STYLE ); if ((old_style & WS_MAXIMIZE) && (old_style & WS_VISIBLE)) return SWP_NOSIZE | SWP_NOMOVE; minmax = WINPOS_GetMinMaxInfo( hwnd ); old_style = WIN_SetStyle( hwnd, WS_MAXIMIZE, WS_MINIMIZE ); if (old_style & WS_MINIMIZE) win_set_flags( hwnd, WIN_RESTORE_MAX, 0 ); if (!(old_style & WS_MAXIMIZE)) swpFlags |= SWP_STATECHANGED; SetRect( rect, minmax.ptMaxPosition.x, minmax.ptMaxPosition.y, minmax.ptMaxPosition.x + minmax.ptMaxSize.x, minmax.ptMaxPosition.y + minmax.ptMaxSize.y ); break; case SW_SHOWNOACTIVATE: win_set_flags( hwnd, 0, WIN_RESTORE_MAX ); /* fall through */ case SW_SHOWNORMAL: case SW_RESTORE: case SW_SHOWDEFAULT: /* FIXME: should have its own handler */ old_style = WIN_SetStyle( hwnd, 0, WS_MINIMIZE | WS_MAXIMIZE ); if (old_style & WS_MINIMIZE) { if (win_get_flags( hwnd ) & WIN_RESTORE_MAX) { /* Restore to maximized position */ minmax = WINPOS_GetMinMaxInfo( hwnd ); WIN_SetStyle( hwnd, WS_MAXIMIZE, 0 ); swpFlags |= SWP_STATECHANGED; SetRect( rect, minmax.ptMaxPosition.x, minmax.ptMaxPosition.y, minmax.ptMaxPosition.x + minmax.ptMaxSize.x, minmax.ptMaxPosition.y + minmax.ptMaxSize.y ); break; } } else if (!(old_style & WS_MAXIMIZE)) break; swpFlags |= SWP_STATECHANGED; /* Restore to normal position */ *rect = wpl.rcNormalPosition; break; } return swpFlags; } /*********************************************************************** * GetInternalWindowPos (USER32.@) */ UINT WINAPI GetInternalWindowPos( HWND hwnd, LPRECT rectWnd, LPPOINT ptIcon ) { WINDOWPLACEMENT wndpl; wndpl.length = sizeof(wndpl); if (GetWindowPlacement( hwnd, &wndpl )) { if (rectWnd) *rectWnd = wndpl.rcNormalPosition; if (ptIcon) *ptIcon = wndpl.ptMinPosition; return wndpl.showCmd; } return 0; } static RECT get_maximized_work_rect( HWND hwnd ) { RECT work_rect = { 0 }; if ((GetWindowLongW( hwnd, GWL_STYLE ) & (WS_MINIMIZE | WS_MAXIMIZE)) == WS_MAXIMIZE) { if (!get_work_rect( hwnd, &work_rect )) work_rect = get_primary_monitor_rect(); } return work_rect; } /******************************************************************* * update_maximized_pos * * For top level windows covering the work area, we might have to * "forget" the maximized position. Windows presumably does this * to avoid situations where the border style changes, which would * lead the window to be outside the screen, or the window gets * reloaded on a different screen, and the "saved" position no * longer applies to it (despite being maximized). * * Some applications (e.g. Imperiums: Greek Wars) depend on this. */ static void update_maximized_pos( WND *wnd, RECT *work_rect ) { if (wnd->parent && wnd->parent != GetDesktopWindow()) return; if (wnd->dwStyle & WS_MAXIMIZE) { if (wnd->window_rect.left <= work_rect->left && wnd->window_rect.top <= work_rect->top && wnd->window_rect.right >= work_rect->right && wnd->window_rect.bottom >= work_rect->bottom) wnd->max_pos.x = wnd->max_pos.y = -1; } else wnd->max_pos.x = wnd->max_pos.y = -1; } /*********************************************************************** * GetWindowPlacement (USER32.@) * * Win95: * Fails if wndpl->length of Win95 (!) apps is invalid. */ BOOL WINAPI GetWindowPlacement( HWND hwnd, WINDOWPLACEMENT *wndpl ) { return NtUserCallHwndParam( hwnd, (UINT_PTR)wndpl, NtUserGetWindowPlacement ); } /* make sure the specified rect is visible on screen */ static void make_rect_onscreen( RECT *rect ) { MONITORINFO info; HMONITOR monitor = MonitorFromRect( rect, MONITOR_DEFAULTTONEAREST ); info.cbSize = sizeof(info); if (!monitor || !GetMonitorInfoW( monitor, &info )) return; /* FIXME: map coordinates from rcWork to rcMonitor */ if (rect->right <= info.rcWork.left) { rect->right += info.rcWork.left - rect->left; rect->left = info.rcWork.left; } else if (rect->left >= info.rcWork.right) { rect->left += info.rcWork.right - rect->right; rect->right = info.rcWork.right; } if (rect->bottom <= info.rcWork.top) { rect->bottom += info.rcWork.top - rect->top; rect->top = info.rcWork.top; } else if (rect->top >= info.rcWork.bottom) { rect->top += info.rcWork.bottom - rect->bottom; rect->bottom = info.rcWork.bottom; } } /* make sure the specified point is visible on screen */ static void make_point_onscreen( POINT *pt ) { RECT rect; SetRect( &rect, pt->x, pt->y, pt->x + 1, pt->y + 1 ); make_rect_onscreen( &rect ); pt->x = rect.left; pt->y = rect.top; } /*********************************************************************** * WINPOS_SetPlacement */ static BOOL WINPOS_SetPlacement( HWND hwnd, const WINDOWPLACEMENT *wndpl, UINT flags ) { DWORD style; RECT work_rect = get_maximized_work_rect( hwnd ); WND *pWnd = WIN_GetPtr( hwnd ); WINDOWPLACEMENT wp = *wndpl; if (flags & PLACE_MIN) make_point_onscreen( &wp.ptMinPosition ); if (flags & PLACE_MAX) make_point_onscreen( &wp.ptMaxPosition ); if (flags & PLACE_RECT) make_rect_onscreen( &wp.rcNormalPosition ); TRACE( "%p: setting min %d,%d max %d,%d normal %s flags %x adjusted to min %d,%d max %d,%d normal %s\n", hwnd, wndpl->ptMinPosition.x, wndpl->ptMinPosition.y, wndpl->ptMaxPosition.x, wndpl->ptMaxPosition.y, wine_dbgstr_rect(&wndpl->rcNormalPosition), flags, wp.ptMinPosition.x, wp.ptMinPosition.y, wp.ptMaxPosition.x, wp.ptMaxPosition.y, wine_dbgstr_rect(&wp.rcNormalPosition) ); if (!pWnd || pWnd == WND_OTHER_PROCESS || pWnd == WND_DESKTOP) return FALSE; if (flags & PLACE_MIN) pWnd->min_pos = point_thread_to_win_dpi( hwnd, wp.ptMinPosition ); if (flags & PLACE_MAX) { pWnd->max_pos = point_thread_to_win_dpi( hwnd, wp.ptMaxPosition ); update_maximized_pos( pWnd, &work_rect ); } if (flags & PLACE_RECT) pWnd->normal_rect = rect_thread_to_win_dpi( hwnd, wp.rcNormalPosition ); style = pWnd->dwStyle; WIN_ReleasePtr( pWnd ); if( style & WS_MINIMIZE ) { if (flags & PLACE_MIN) { NtUserSetWindowPos( hwnd, 0, wp.ptMinPosition.x, wp.ptMinPosition.y, 0, 0, SWP_NOSIZE | SWP_NOZORDER | SWP_NOACTIVATE ); } } else if( style & WS_MAXIMIZE ) { if (flags & PLACE_MAX) NtUserSetWindowPos( hwnd, 0, wp.ptMaxPosition.x, wp.ptMaxPosition.y, 0, 0, SWP_NOSIZE | SWP_NOZORDER | SWP_NOACTIVATE ); } else if( flags & PLACE_RECT ) NtUserSetWindowPos( hwnd, 0, wp.rcNormalPosition.left, wp.rcNormalPosition.top, wp.rcNormalPosition.right - wp.rcNormalPosition.left, wp.rcNormalPosition.bottom - wp.rcNormalPosition.top, SWP_NOZORDER | SWP_NOACTIVATE ); NtUserShowWindow( hwnd, wndpl->showCmd ); if (IsIconic( hwnd )) { /* SDK: ...valid only the next time... */ if( wndpl->flags & WPF_RESTORETOMAXIMIZED ) win_set_flags( hwnd, WIN_RESTORE_MAX, 0 ); } return TRUE; } /*********************************************************************** * SetWindowPlacement (USER32.@) * * Win95: * Fails if wndpl->length of Win95 (!) apps is invalid. */ BOOL WINAPI SetWindowPlacement( HWND hwnd, const WINDOWPLACEMENT *wpl ) { UINT flags = PLACE_MAX | PLACE_RECT; if (!wpl) return FALSE; if (wpl->flags & WPF_SETMINPOSITION) flags |= PLACE_MIN; return WINPOS_SetPlacement( hwnd, wpl, flags ); } /*********************************************************************** * AnimateWindow (USER32.@) * Shows/Hides a window with an animation * NO ANIMATION YET */ BOOL WINAPI AnimateWindow(HWND hwnd, DWORD dwTime, DWORD dwFlags) { FIXME("partial stub\n"); /* If trying to show/hide and it's already * * shown/hidden or invalid window, fail with * * invalid parameter */ if(!IsWindow(hwnd) || (IsWindowVisible(hwnd) && !(dwFlags & AW_HIDE)) || (!IsWindowVisible(hwnd) && (dwFlags & AW_HIDE))) { SetLastError(ERROR_INVALID_PARAMETER); return FALSE; } NtUserShowWindow( hwnd, (dwFlags & AW_HIDE) ? SW_HIDE : ((dwFlags & AW_ACTIVATE) ? SW_SHOW : SW_SHOWNA) ); return TRUE; } /*********************************************************************** * SetInternalWindowPos (USER32.@) */ void WINAPI SetInternalWindowPos( HWND hwnd, UINT showCmd, LPRECT rect, LPPOINT pt ) { WINDOWPLACEMENT wndpl; UINT flags; wndpl.length = sizeof(wndpl); wndpl.showCmd = showCmd; wndpl.flags = flags = 0; if( pt ) { flags |= PLACE_MIN; wndpl.flags |= WPF_SETMINPOSITION; wndpl.ptMinPosition = *pt; } if( rect ) { flags |= PLACE_RECT; wndpl.rcNormalPosition = *rect; } WINPOS_SetPlacement( hwnd, &wndpl, flags ); } /******************************************************************* * can_activate_window * * Check if we can activate the specified window. */ static BOOL can_activate_window( HWND hwnd ) { LONG style; if (!hwnd) return FALSE; style = GetWindowLongW( hwnd, GWL_STYLE ); if (!(style & WS_VISIBLE)) return FALSE; if ((style & (WS_POPUP|WS_CHILD)) == WS_CHILD) return FALSE; return !(style & WS_DISABLED); } /******************************************************************* * WINPOS_ActivateOtherWindow * * Activates window other than pWnd. */ void WINPOS_ActivateOtherWindow(HWND hwnd) { HWND hwndTo, fg; if ((GetWindowLongW( hwnd, GWL_STYLE ) & WS_POPUP) && (hwndTo = GetWindow( hwnd, GW_OWNER ))) { hwndTo = NtUserGetAncestor( hwndTo, GA_ROOT ); if (can_activate_window( hwndTo )) goto done; } hwndTo = hwnd; for (;;) { if (!(hwndTo = GetWindow( hwndTo, GW_HWNDNEXT ))) break; if (can_activate_window( hwndTo )) goto done; } hwndTo = GetTopWindow( 0 ); for (;;) { if (hwndTo == hwnd) { hwndTo = 0; break; } if (can_activate_window( hwndTo )) goto done; if (!(hwndTo = GetWindow( hwndTo, GW_HWNDNEXT ))) break; } done: fg = NtUserGetForegroundWindow(); TRACE("win = %p fg = %p\n", hwndTo, fg); if (!fg || (hwnd == fg)) { if (SetForegroundWindow( hwndTo )) return; } if (!NtUserSetActiveWindow( hwndTo )) NtUserSetActiveWindow( 0 ); } /*********************************************************************** * WINPOS_HandleWindowPosChanging * * Default handling for a WM_WINDOWPOSCHANGING. Called from DefWindowProc(). */ LONG WINPOS_HandleWindowPosChanging( HWND hwnd, WINDOWPOS *winpos ) { LONG style = GetWindowLongW( hwnd, GWL_STYLE ); if (winpos->flags & SWP_NOSIZE) return 0; if ((style & WS_THICKFRAME) || ((style & (WS_POPUP | WS_CHILD)) == 0)) { MINMAXINFO info = WINPOS_GetMinMaxInfo( hwnd ); winpos->cx = min( winpos->cx, info.ptMaxTrackSize.x ); winpos->cy = min( winpos->cy, info.ptMaxTrackSize.y ); if (!(style & WS_MINIMIZE)) { winpos->cx = max( winpos->cx, info.ptMinTrackSize.x ); winpos->cy = max( winpos->cy, info.ptMinTrackSize.y ); } } return 0; } /*********************************************************************** * update_surface_region */ static void update_surface_region( HWND hwnd ) { NTSTATUS status; HRGN region = 0; RGNDATA *data; size_t size = 256; WND *win = WIN_GetPtr( hwnd ); if (!win || win == WND_DESKTOP || win == WND_OTHER_PROCESS) return; if (!win->surface) goto done; do { if (!(data = HeapAlloc( GetProcessHeap(), 0, FIELD_OFFSET( RGNDATA, Buffer[size] )))) goto done; SERVER_START_REQ( get_surface_region ) { req->window = wine_server_user_handle( hwnd ); wine_server_set_reply( req, data->Buffer, size ); if (!(status = wine_server_call( req ))) { size_t reply_size = wine_server_reply_size( reply ); if (reply_size) { data->rdh.dwSize = sizeof(data->rdh); data->rdh.iType = RDH_RECTANGLES; data->rdh.nCount = reply_size / sizeof(RECT); data->rdh.nRgnSize = reply_size; region = ExtCreateRegion( NULL, data->rdh.dwSize + data->rdh.nRgnSize, data ); OffsetRgn( region, -reply->visible_rect.left, -reply->visible_rect.top ); } } else size = reply->total_size; } SERVER_END_REQ; HeapFree( GetProcessHeap(), 0, data ); } while (status == STATUS_BUFFER_OVERFLOW); if (status) goto done; win->surface->funcs->set_region( win->surface, region ); if (region) DeleteObject( region ); done: WIN_ReleasePtr( win ); } /*********************************************************************** * set_window_pos * * Backend implementation of SetWindowPos. */ BOOL set_window_pos( HWND hwnd, HWND insert_after, UINT swp_flags, const RECT *window_rect, const RECT *client_rect, const RECT *valid_rects ) { WND *win; HWND surface_win = 0, parent = NtUserGetAncestor( hwnd, GA_PARENT ); BOOL ret, needs_update = FALSE; RECT visible_rect, old_visible_rect, old_window_rect, old_client_rect, extra_rects[3]; struct window_surface *old_surface, *new_surface = NULL; struct window_surface *dummy_surface = (struct window_surface *)NtUserCallHwnd( 0, NtUserGetDummySurface ); if (!parent || parent == GetDesktopWindow()) { new_surface = dummy_surface; /* provide a default surface for top-level windows */ window_surface_add_ref( new_surface ); } visible_rect = *window_rect; if (!(ret = USER_Driver->pWindowPosChanging( hwnd, insert_after, swp_flags, window_rect, client_rect, &visible_rect, &new_surface ))) { if (IsRectEmpty( window_rect )) visible_rect = *window_rect; else { visible_rect = get_virtual_screen_rect(); IntersectRect( &visible_rect, &visible_rect, window_rect ); } } WIN_GetRectangles( hwnd, COORDS_SCREEN, &old_window_rect, NULL ); if (IsRectEmpty( &valid_rects[0] )) valid_rects = NULL; if (!(win = WIN_GetPtr( hwnd )) || win == WND_DESKTOP || win == WND_OTHER_PROCESS) { if (new_surface) window_surface_release( new_surface ); return FALSE; } /* create or update window surface for top-level windows if the driver doesn't implement WindowPosChanging */ if (!ret && new_surface && !IsRectEmpty( &visible_rect ) && (!(GetWindowLongW( hwnd, GWL_EXSTYLE ) & WS_EX_LAYERED) || NtUserGetLayeredWindowAttributes( hwnd, NULL, NULL, NULL ))) { window_surface_release( new_surface ); if ((new_surface = win->surface)) window_surface_add_ref( new_surface ); create_offscreen_window_surface( &visible_rect, &new_surface ); } old_visible_rect = win->visible_rect; old_client_rect = win->client_rect; old_surface = win->surface; if (old_surface != new_surface) swp_flags |= SWP_FRAMECHANGED; /* force refreshing non-client area */ if (new_surface == dummy_surface) swp_flags |= SWP_NOREDRAW; else if (old_surface == dummy_surface) { swp_flags |= SWP_NOCOPYBITS; valid_rects = NULL; } SERVER_START_REQ( set_window_pos ) { req->handle = wine_server_user_handle( hwnd ); req->previous = wine_server_user_handle( insert_after ); req->swp_flags = swp_flags; req->window.left = window_rect->left; req->window.top = window_rect->top; req->window.right = window_rect->right; req->window.bottom = window_rect->bottom; req->client.left = client_rect->left; req->client.top = client_rect->top; req->client.right = client_rect->right; req->client.bottom = client_rect->bottom; if (!EqualRect( window_rect, &visible_rect ) || new_surface || valid_rects) { extra_rects[0] = extra_rects[1] = visible_rect; if (new_surface) { extra_rects[1] = new_surface->rect; OffsetRect( &extra_rects[1], visible_rect.left, visible_rect.top ); } if (valid_rects) extra_rects[2] = valid_rects[0]; else SetRectEmpty( &extra_rects[2] ); wine_server_add_data( req, extra_rects, sizeof(extra_rects) ); } if (new_surface) req->paint_flags |= SET_WINPOS_PAINT_SURFACE; if (win->pixel_format) req->paint_flags |= SET_WINPOS_PIXEL_FORMAT; if ((ret = !wine_server_call( req ))) { win->dwStyle = reply->new_style; win->dwExStyle = reply->new_ex_style; win->window_rect = *window_rect; win->client_rect = *client_rect; win->visible_rect = visible_rect; win->surface = new_surface; surface_win = wine_server_ptr_handle( reply->surface_win ); needs_update = reply->needs_update; if (GetWindowLongW( win->parent, GWL_EXSTYLE ) & WS_EX_LAYOUTRTL) { RECT client; GetClientRect( win->parent, &client ); mirror_rect( &client, &win->window_rect ); mirror_rect( &client, &win->client_rect ); mirror_rect( &client, &win->visible_rect ); } /* if an RTL window is resized the children have moved */ if (win->dwExStyle & WS_EX_LAYOUTRTL && client_rect->right - client_rect->left != old_client_rect.right - old_client_rect.left) win->flags |= WIN_CHILDREN_MOVED; } } SERVER_END_REQ; if (ret) { if (needs_update) update_surface_region( surface_win ); if (((swp_flags & SWP_AGG_NOPOSCHANGE) != SWP_AGG_NOPOSCHANGE) || (swp_flags & (SWP_HIDEWINDOW | SWP_SHOWWINDOW | SWP_STATECHANGED | SWP_FRAMECHANGED))) invalidate_dce( win, &old_window_rect ); } WIN_ReleasePtr( win ); if (ret) { TRACE( "win %p surface %p -> %p\n", hwnd, old_surface, new_surface ); register_window_surface( old_surface, new_surface ); if (old_surface) { if (valid_rects) { move_window_bits( hwnd, old_surface, new_surface, &visible_rect, &old_visible_rect, window_rect, valid_rects ); valid_rects = NULL; /* prevent the driver from trying to also move the bits */ } window_surface_release( old_surface ); } else if (surface_win && surface_win != hwnd) { if (valid_rects) { RECT rects[2]; int x_offset = old_visible_rect.left - visible_rect.left; int y_offset = old_visible_rect.top - visible_rect.top; /* if all that happened is that the whole window moved, copy everything */ if (!(swp_flags & SWP_FRAMECHANGED) && old_visible_rect.right - visible_rect.right == x_offset && old_visible_rect.bottom - visible_rect.bottom == y_offset && old_client_rect.left - client_rect->left == x_offset && old_client_rect.right - client_rect->right == x_offset && old_client_rect.top - client_rect->top == y_offset && old_client_rect.bottom - client_rect->bottom == y_offset && EqualRect( &valid_rects[0], client_rect )) { rects[0] = visible_rect; rects[1] = old_visible_rect; valid_rects = rects; } move_window_bits_parent( hwnd, surface_win, window_rect, valid_rects ); valid_rects = NULL; /* prevent the driver from trying to also move the bits */ } } USER_Driver->pWindowPosChanged( hwnd, insert_after, swp_flags, window_rect, client_rect, &visible_rect, valid_rects, new_surface ); } else if (new_surface) window_surface_release( new_surface ); return ret; } /*********************************************************************** * BeginDeferWindowPos (USER32.@) */ HDWP WINAPI BeginDeferWindowPos( INT count ) { return UlongToHandle( NtUserCallOneParam( count, NtUserBeginDeferWindowPos )); } /*********************************************************************** * DeferWindowPos (USER32.@) */ HDWP WINAPI DeferWindowPos( HDWP hdwp, HWND hwnd, HWND after, INT x, INT y, INT cx, INT cy, UINT flags ) { return NtUserDeferWindowPosAndBand( hdwp, hwnd, after, x, y, cx, cy, flags, 0, 0 ); } /*********************************************************************** * EndDeferWindowPos (USER32.@) */ BOOL WINAPI EndDeferWindowPos( HDWP hdwp ) { return NtUserEndDeferWindowPosEx( hdwp, FALSE ); } /*********************************************************************** * ArrangeIconicWindows (USER32.@) */ UINT WINAPI ArrangeIconicWindows( HWND parent ) { int width, height, count = 0; RECT rectParent; HWND hwndChild; POINT pt; MINIMIZEDMETRICS metrics; metrics.cbSize = sizeof(metrics); SystemParametersInfoW( SPI_GETMINIMIZEDMETRICS, sizeof(metrics), &metrics, 0 ); width = GetSystemMetrics( SM_CXMINIMIZED ); height = GetSystemMetrics( SM_CYMINIMIZED ); if (parent == GetDesktopWindow()) { MONITORINFO mon_info; HMONITOR monitor = MonitorFromWindow( 0, MONITOR_DEFAULTTOPRIMARY ); mon_info.cbSize = sizeof( mon_info ); GetMonitorInfoW( monitor, &mon_info ); rectParent = mon_info.rcWork; } else GetClientRect( parent, &rectParent ); pt = get_first_minimized_child_pos( &rectParent, &metrics, width, height ); hwndChild = GetWindow( parent, GW_CHILD ); while (hwndChild) { if( IsIconic( hwndChild ) ) { NtUserSetWindowPos( hwndChild, 0, pt.x, pt.y, 0, 0, SWP_NOSIZE | SWP_NOZORDER | SWP_NOACTIVATE ); get_next_minimized_child_pos( &rectParent, &metrics, width, height, &pt ); count++; } hwndChild = GetWindow( hwndChild, GW_HWNDNEXT ); } return count; } /*********************************************************************** * draw_moving_frame * * Draw the frame used when moving or resizing window. */ static void draw_moving_frame( HWND parent, HDC hdc, RECT *screen_rect, BOOL thickframe ) { RECT rect = *screen_rect; if (parent) MapWindowPoints( 0, parent, (POINT *)&rect, 2 ); if (thickframe) { const int width = GetSystemMetrics(SM_CXFRAME); const int height = GetSystemMetrics(SM_CYFRAME); HBRUSH hbrush = SelectObject( hdc, GetStockObject( GRAY_BRUSH ) ); PatBlt( hdc, rect.left, rect.top, rect.right - rect.left - width, height, PATINVERT ); PatBlt( hdc, rect.left, rect.top + height, width, rect.bottom - rect.top - height, PATINVERT ); PatBlt( hdc, rect.left + width, rect.bottom - 1, rect.right - rect.left - width, -height, PATINVERT ); PatBlt( hdc, rect.right - 1, rect.top, -width, rect.bottom - rect.top - height, PATINVERT ); SelectObject( hdc, hbrush ); } else DrawFocusRect( hdc, &rect ); } /*********************************************************************** * start_size_move * * Initialization of a move or resize, when initiated from a menu choice. * Return hit test code for caption or sizing border. */ static LONG start_size_move( HWND hwnd, WPARAM wParam, POINT *capturePoint, LONG style ) { LONG hittest = 0; POINT pt; MSG msg; RECT rectWindow; GetWindowRect( hwnd, &rectWindow ); if ((wParam & 0xfff0) == SC_MOVE) { /* Move pointer at the center of the caption */ RECT rect = rectWindow; /* Note: to be exactly centered we should take the different types * of border into account, but it shouldn't make more than a few pixels * of difference so let's not bother with that */ rect.top += GetSystemMetrics(SM_CYBORDER); if (style & WS_SYSMENU) rect.left += GetSystemMetrics(SM_CXSIZE) + 1; if (style & WS_MINIMIZEBOX) rect.right -= GetSystemMetrics(SM_CXSIZE) + 1; if (style & WS_MAXIMIZEBOX) rect.right -= GetSystemMetrics(SM_CXSIZE) + 1; pt.x = (rect.right + rect.left) / 2; pt.y = rect.top + GetSystemMetrics(SM_CYSIZE)/2; hittest = HTCAPTION; *capturePoint = pt; } else /* SC_SIZE */ { NtUserSetCursor( LoadCursorW( 0, (LPWSTR)IDC_SIZEALL ) ); pt.x = pt.y = 0; while(!hittest) { if (!GetMessageW( &msg, 0, 0, 0 )) return 0; if (CallMsgFilterW( &msg, MSGF_SIZE )) continue; switch(msg.message) { case WM_MOUSEMOVE: pt.x = min( max( msg.pt.x, rectWindow.left ), rectWindow.right - 1 ); pt.y = min( max( msg.pt.y, rectWindow.top ), rectWindow.bottom - 1 ); hittest = SendMessageW( hwnd, WM_NCHITTEST, 0, MAKELONG( pt.x, pt.y ) ); 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 =(rectWindow.left+rectWindow.right)/2; pt.y = rectWindow.top + GetSystemMetrics(SM_CYFRAME) / 2; break; case VK_DOWN: hittest = HTBOTTOM; pt.x =(rectWindow.left+rectWindow.right)/2; pt.y = rectWindow.bottom - GetSystemMetrics(SM_CYFRAME) / 2; break; case VK_LEFT: hittest = HTLEFT; pt.x = rectWindow.left + GetSystemMetrics(SM_CXFRAME) / 2; pt.y =(rectWindow.top+rectWindow.bottom)/2; break; case VK_RIGHT: hittest = HTRIGHT; pt.x = rectWindow.right - GetSystemMetrics(SM_CXFRAME) / 2; pt.y =(rectWindow.top+rectWindow.bottom)/2; break; case VK_RETURN: case VK_ESCAPE: return 0; } break; default: TranslateMessage( &msg ); DispatchMessageW( &msg ); break; } } *capturePoint = pt; } NtUserSetCursorPos( pt.x, pt.y ); SendMessageW( hwnd, WM_SETCURSOR, (WPARAM)hwnd, MAKELONG( hittest, WM_MOUSEMOVE )); return hittest; } /*********************************************************************** * WINPOS_SysCommandSizeMove * * Perform SC_MOVE and SC_SIZE commands. */ void WINPOS_SysCommandSizeMove( HWND hwnd, WPARAM wParam ) { MSG msg; RECT sizingRect, mouseRect, origRect; HDC hdc; HWND parent; LONG hittest = (LONG)(wParam & 0x0f); WPARAM syscommand = wParam & 0xfff0; MINMAXINFO minmax; POINT capturePoint, pt; LONG style = GetWindowLongW( hwnd, GWL_STYLE ); BOOL thickframe = HAS_THICKFRAME( style ); BOOL moved = FALSE; DWORD dwPoint = GetMessagePos (); BOOL DragFullWindows = TRUE; HMONITOR mon = 0; if (IsZoomed(hwnd) || !IsWindowVisible(hwnd)) return; pt.x = (short)LOWORD(dwPoint); pt.y = (short)HIWORD(dwPoint); capturePoint = pt; NtUserClipCursor( NULL ); TRACE("hwnd %p command %04lx, hittest %d, pos %d,%d\n", hwnd, syscommand, hittest, pt.x, pt.y); if (syscommand == SC_MOVE) { if (!hittest) hittest = start_size_move( hwnd, wParam, &capturePoint, style ); if (!hittest) return; } else /* SC_SIZE */ { if ( hittest && (syscommand != SC_MOUSEMENU) ) hittest += (HTLEFT - WMSZ_LEFT); else { set_capture_window( hwnd, GUI_INMOVESIZE, NULL ); hittest = start_size_move( hwnd, wParam, &capturePoint, style ); if (!hittest) { set_capture_window( 0, GUI_INMOVESIZE, NULL ); return; } } } /* Get min/max info */ minmax = WINPOS_GetMinMaxInfo( hwnd ); WIN_GetRectangles( hwnd, COORDS_PARENT, &sizingRect, NULL ); origRect = sizingRect; if (style & WS_CHILD) { parent = GetParent(hwnd); GetClientRect( parent, &mouseRect ); MapWindowPoints( parent, 0, (LPPOINT)&mouseRect, 2 ); MapWindowPoints( parent, 0, (LPPOINT)&sizingRect, 2 ); } else { parent = 0; mouseRect = get_virtual_screen_rect(); mon = MonitorFromPoint( pt, MONITOR_DEFAULTTONEAREST ); } if (ON_LEFT_BORDER(hittest)) { mouseRect.left = max( mouseRect.left, sizingRect.right-minmax.ptMaxTrackSize.x+capturePoint.x-sizingRect.left ); mouseRect.right = min( mouseRect.right, sizingRect.right-minmax.ptMinTrackSize.x+capturePoint.x-sizingRect.left ); } else if (ON_RIGHT_BORDER(hittest)) { mouseRect.left = max( mouseRect.left, sizingRect.left+minmax.ptMinTrackSize.x+capturePoint.x-sizingRect.right ); mouseRect.right = min( mouseRect.right, sizingRect.left+minmax.ptMaxTrackSize.x+capturePoint.x-sizingRect.right ); } if (ON_TOP_BORDER(hittest)) { mouseRect.top = max( mouseRect.top, sizingRect.bottom-minmax.ptMaxTrackSize.y+capturePoint.y-sizingRect.top ); mouseRect.bottom = min( mouseRect.bottom,sizingRect.bottom-minmax.ptMinTrackSize.y+capturePoint.y-sizingRect.top); } else if (ON_BOTTOM_BORDER(hittest)) { mouseRect.top = max( mouseRect.top, sizingRect.top+minmax.ptMinTrackSize.y+capturePoint.y-sizingRect.bottom ); mouseRect.bottom = min( mouseRect.bottom, sizingRect.top+minmax.ptMaxTrackSize.y+capturePoint.y-sizingRect.bottom ); } /* Retrieve a default cache DC (without using the window style) */ hdc = NtUserGetDCEx( parent, 0, DCX_CACHE ); /* we only allow disabling the full window drag for child windows */ if (parent) SystemParametersInfoW( SPI_GETDRAGFULLWINDOWS, 0, &DragFullWindows, 0 ); /* repaint the window before moving it around */ NtUserRedrawWindow( hwnd, NULL, 0, RDW_UPDATENOW | RDW_ALLCHILDREN ); SendMessageW( hwnd, WM_ENTERSIZEMOVE, 0, 0 ); set_capture_window( hwnd, GUI_INMOVESIZE, NULL ); while(1) { int dx = 0, dy = 0; if (!GetMessageW( &msg, 0, 0, 0 )) break; if (CallMsgFilterW( &msg, MSGF_SIZE )) continue; /* 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)) { TranslateMessage( &msg ); DispatchMessageW( &msg ); continue; /* We are not interested in other messages */ } pt = msg.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 - 1 ); pt.y = max( pt.y, mouseRect.top ); pt.y = min( pt.y, mouseRect.bottom - 1 ); if (!parent) { HMONITOR newmon; MONITORINFO info; if ((newmon = MonitorFromPoint( pt, MONITOR_DEFAULTTONULL ))) mon = newmon; info.cbSize = sizeof(info); if (mon && GetMonitorInfoW( mon, &info )) { pt.x = max( pt.x, info.rcWork.left ); pt.x = min( pt.x, info.rcWork.right - 1 ); pt.y = max( pt.y, info.rcWork.top ); pt.y = min( pt.y, info.rcWork.bottom - 1 ); } } dx = pt.x - capturePoint.x; dy = pt.y - capturePoint.y; if (dx || dy) { if( !moved ) { moved = TRUE; if (!DragFullWindows) draw_moving_frame( parent, hdc, &sizingRect, thickframe ); } if (msg.message == WM_KEYDOWN) NtUserSetCursorPos( pt.x, pt.y ); else { if (!DragFullWindows) draw_moving_frame( parent, hdc, &sizingRect, thickframe ); if (hittest == HTCAPTION || hittest == HTBORDER) OffsetRect( &sizingRect, dx, dy ); if (ON_LEFT_BORDER(hittest)) sizingRect.left += dx; else if (ON_RIGHT_BORDER(hittest)) sizingRect.right += dx; if (ON_TOP_BORDER(hittest)) sizingRect.top += dy; else if (ON_BOTTOM_BORDER(hittest)) sizingRect.bottom += dy; capturePoint = pt; /* determine the hit location */ if (syscommand == SC_SIZE && hittest != HTBORDER) { WPARAM wpSizingHit = 0; if (hittest >= HTLEFT && hittest <= HTBOTTOMRIGHT) wpSizingHit = WMSZ_LEFT + (hittest - HTLEFT); SendMessageW( hwnd, WM_SIZING, wpSizingHit, (LPARAM)&sizingRect ); } else SendMessageW( hwnd, WM_MOVING, 0, (LPARAM)&sizingRect ); if (!DragFullWindows) draw_moving_frame( parent, hdc, &sizingRect, thickframe ); else { RECT rect = sizingRect; MapWindowPoints( 0, parent, (POINT *)&rect, 2 ); NtUserSetWindowPos( hwnd, 0, rect.left, rect.top, rect.right - rect.left, rect.bottom - rect.top, (hittest == HTCAPTION) ? SWP_NOSIZE : 0 ); } } } } if (moved && !DragFullWindows) { draw_moving_frame( parent, hdc, &sizingRect, thickframe ); } set_capture_window( 0, GUI_INMOVESIZE, NULL ); NtUserReleaseDC( parent, hdc ); if (parent) MapWindowPoints( 0, parent, (POINT *)&sizingRect, 2 ); if (HOOK_CallHooks( WH_CBT, HCBT_MOVESIZE, (WPARAM)hwnd, (LPARAM)&sizingRect, TRUE )) moved = FALSE; SendMessageW( hwnd, WM_EXITSIZEMOVE, 0, 0 ); SendMessageW( hwnd, WM_SETVISIBLE, !IsIconic(hwnd), 0L); /* window moved or resized */ if (moved) { /* if the moving/resizing isn't canceled call SetWindowPos * with the new position or the new size of the window */ if (!((msg.message == WM_KEYDOWN) && (msg.wParam == VK_ESCAPE)) ) { /* NOTE: SWP_NOACTIVATE prevents document window activation in Word 6 */ if (!DragFullWindows) NtUserSetWindowPos( hwnd, 0, sizingRect.left, sizingRect.top, sizingRect.right - sizingRect.left, sizingRect.bottom - sizingRect.top, ( hittest == HTCAPTION ) ? SWP_NOSIZE : 0 ); } else { /* restore previous size/position */ if(DragFullWindows) NtUserSetWindowPos( hwnd, 0, origRect.left, origRect.top, origRect.right - origRect.left, origRect.bottom - origRect.top, ( hittest == HTCAPTION ) ? SWP_NOSIZE : 0 ); } } if (IsIconic(hwnd)) { /* Single click brings up the system menu when iconized */ if( !moved ) { if(style & WS_SYSMENU ) SendMessageW( hwnd, WM_SYSCOMMAND, SC_MOUSEMENU + HTSYSMENU, MAKELONG(pt.x,pt.y)); } } }