/* * Updown control * * Copyright 1997, 2002 Dimitrie O. Paun * * 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 * * NOTE * * This code was audited for completeness against the documented features * of Comctl32.dll version 6.0 on Sep. 9, 2002, by Dimitrie O. Paun. * * Unless otherwise noted, we believe this code to be complete, as per * the specification mentioned above. * If you discover missing features, or bugs, please note them below. * */ #include <stdlib.h> #include <string.h> #include <stdarg.h> #include <stdio.h> #include "windef.h" #include "winbase.h" #include "wingdi.h" #include "winuser.h" #include "winnls.h" #include "commctrl.h" #include "comctl32.h" #include "uxtheme.h" #include "vssym32.h" #include "wine/unicode.h" #include "wine/debug.h" WINE_DEFAULT_DEBUG_CHANNEL(updown); typedef struct { HWND Self; /* Handle to this up-down control */ HWND Notify; /* Handle to the parent window */ DWORD dwStyle; /* The GWL_STYLE for this window */ UINT AccelCount; /* Number of elements in AccelVect */ UDACCEL* AccelVect; /* Vector containing AccelCount elements */ INT AccelIndex; /* Current accel index, -1 if not accel'ing */ INT Base; /* Base to display nr in the buddy window */ INT CurVal; /* Current up-down value */ INT MinVal; /* Minimum up-down value */ INT MaxVal; /* Maximum up-down value */ HWND Buddy; /* Handle to the buddy window */ INT BuddyType; /* Remembers the buddy type BUDDY_TYPE_* */ INT Flags; /* Internal Flags FLAG_* */ BOOL UnicodeFormat; /* Marks the use of Unicode internally */ } UPDOWN_INFO; /* Control configuration constants */ #define INITIAL_DELAY 500 /* initial timer until auto-inc kicks in */ #define AUTOPRESS_DELAY 250 /* time to keep arrow pressed on KEY_DOWN */ #define REPEAT_DELAY 50 /* delay between auto-increments */ #define DEFAULT_WIDTH 16 /* default width of the ctrl */ #define DEFAULT_XSEP 0 /* default separation between buddy and ctrl */ #define DEFAULT_ADDTOP 0 /* amount to extend above the buddy window */ #define DEFAULT_ADDBOT 0 /* amount to extend below the buddy window */ #define DEFAULT_BUDDYBORDER 2 /* Width/height of the buddy border */ #define DEFAULT_BUDDYSPACER 2 /* Spacer between the buddy and the ctrl */ #define DEFAULT_BUDDYBORDER_THEMED 1 /* buddy border when theming is enabled */ #define DEFAULT_BUDDYSPACER_THEMED 0 /* buddy spacer when theming is enabled */ /* Work constants */ #define FLAG_INCR 0x01 #define FLAG_DECR 0x02 #define FLAG_MOUSEIN 0x04 #define FLAG_PRESSED 0x08 #define FLAG_BUDDYINT 0x10 /* UDS_SETBUDDYINT was set on creation */ #define FLAG_ARROW (FLAG_INCR | FLAG_DECR) #define BUDDY_TYPE_UNKNOWN 0 #define BUDDY_TYPE_LISTBOX 1 #define BUDDY_TYPE_EDIT 2 #define TIMER_AUTOREPEAT 1 #define TIMER_ACCEL 2 #define TIMER_AUTOPRESS 3 #define UPDOWN_GetInfoPtr(hwnd) ((UPDOWN_INFO *)GetWindowLongPtrW (hwnd,0)) #define COUNT_OF(a) (sizeof(a)/sizeof(a[0])) /* id used for SetWindowSubclass */ #define BUDDY_SUBCLASSID 1 static void UPDOWN_DoAction (UPDOWN_INFO *infoPtr, int delta, int action); /*********************************************************************** * UPDOWN_IsBuddyEdit * Tests if our buddy is an edit control. */ static inline BOOL UPDOWN_IsBuddyEdit(const UPDOWN_INFO *infoPtr) { return infoPtr->BuddyType == BUDDY_TYPE_EDIT; } /*********************************************************************** * UPDOWN_IsBuddyListbox * Tests if our buddy is a listbox control. */ static inline BOOL UPDOWN_IsBuddyListbox(const UPDOWN_INFO *infoPtr) { return infoPtr->BuddyType == BUDDY_TYPE_LISTBOX; } /*********************************************************************** * UPDOWN_InBounds * Tests if a given value 'val' is between the Min&Max limits */ static BOOL UPDOWN_InBounds(const UPDOWN_INFO *infoPtr, int val) { if(infoPtr->MaxVal > infoPtr->MinVal) return (infoPtr->MinVal <= val) && (val <= infoPtr->MaxVal); else return (infoPtr->MaxVal <= val) && (val <= infoPtr->MinVal); } /*********************************************************************** * UPDOWN_OffsetVal * Change the current value by delta. * It returns TRUE is the value was changed successfully, or FALSE * if the value was not changed, as it would go out of bounds. */ static BOOL UPDOWN_OffsetVal(UPDOWN_INFO *infoPtr, int delta) { /* check if we can do the modification first */ if(!UPDOWN_InBounds (infoPtr, infoPtr->CurVal+delta)) { if (infoPtr->dwStyle & UDS_WRAP) { delta += (delta < 0 ? -1 : 1) * (infoPtr->MaxVal < infoPtr->MinVal ? -1 : 1) * (infoPtr->MinVal - infoPtr->MaxVal) + (delta < 0 ? 1 : -1); } else return FALSE; } infoPtr->CurVal += delta; return TRUE; } /*********************************************************************** * UPDOWN_HasBuddyBorder * * When we have a buddy set and that we are aligned on our buddy, we * want to draw a sunken edge to make like we are part of that control. */ static BOOL UPDOWN_HasBuddyBorder(const UPDOWN_INFO *infoPtr) { return ( ((infoPtr->dwStyle & (UDS_ALIGNLEFT | UDS_ALIGNRIGHT)) != 0) && UPDOWN_IsBuddyEdit(infoPtr) ); } /*********************************************************************** * UPDOWN_GetArrowRect * wndPtr - pointer to the up-down wnd * rect - will hold the rectangle * arrow - FLAG_INCR to get the "increment" rect (up or right) * FLAG_DECR to get the "decrement" rect (down or left) * If both flags are present, the envelope is returned. */ static void UPDOWN_GetArrowRect (const UPDOWN_INFO* infoPtr, RECT *rect, int arrow) { HTHEME theme = GetWindowTheme (infoPtr->Self); const int border = theme ? DEFAULT_BUDDYBORDER_THEMED : DEFAULT_BUDDYBORDER; const int spacer = theme ? DEFAULT_BUDDYSPACER_THEMED : DEFAULT_BUDDYSPACER; GetClientRect (infoPtr->Self, rect); /* * Make sure we calculate the rectangle to fit even if we draw the * border. */ if (UPDOWN_HasBuddyBorder(infoPtr)) { if (infoPtr->dwStyle & UDS_ALIGNLEFT) rect->left += border; else rect->right -= border; InflateRect(rect, 0, -border); } /* now figure out if we need a space away from the buddy */ if (IsWindow(infoPtr->Buddy) ) { if (infoPtr->dwStyle & UDS_ALIGNLEFT) rect->right -= spacer; else if (infoPtr->dwStyle & UDS_ALIGNRIGHT) rect->left += spacer; } /* * We're calculating the midpoint to figure-out where the * separation between the buttons will lay. We make sure that we * round the uneven numbers by adding 1. */ if (infoPtr->dwStyle & UDS_HORZ) { int len = rect->right - rect->left + 1; /* compute the width */ if (arrow & FLAG_INCR) rect->left = rect->left + len/2; if (arrow & FLAG_DECR) rect->right = rect->left + len/2 - (theme ? 0 : 1); } else { int len = rect->bottom - rect->top + 1; /* compute the height */ if (arrow & FLAG_INCR) rect->bottom = rect->top + len/2 - (theme ? 0 : 1); if (arrow & FLAG_DECR) rect->top = rect->top + len/2; } } /*********************************************************************** * UPDOWN_GetArrowFromPoint * Returns the rectagle (for the up or down arrow) that contains pt. * If it returns the up rect, it returns FLAG_INCR. * If it returns the down rect, it returns FLAG_DECR. */ static INT UPDOWN_GetArrowFromPoint (const UPDOWN_INFO *infoPtr, RECT *rect, POINT pt) { UPDOWN_GetArrowRect (infoPtr, rect, FLAG_INCR); if(PtInRect(rect, pt)) return FLAG_INCR; UPDOWN_GetArrowRect (infoPtr, rect, FLAG_DECR); if(PtInRect(rect, pt)) return FLAG_DECR; return 0; } /*********************************************************************** * UPDOWN_GetThousandSep * Returns the thousand sep. If an error occurs, it returns ','. */ static WCHAR UPDOWN_GetThousandSep(void) { WCHAR sep[2]; if(GetLocaleInfoW(LOCALE_USER_DEFAULT, LOCALE_STHOUSAND, sep, 2) != 1) sep[0] = ','; return sep[0]; } /*********************************************************************** * UPDOWN_GetBuddyInt * Tries to read the pos from the buddy window and if it succeeds, * it stores it in the control's CurVal * returns: * TRUE - if it read the integer from the buddy successfully * FALSE - if an error occurred */ static BOOL UPDOWN_GetBuddyInt (UPDOWN_INFO *infoPtr) { WCHAR txt[20], sep, *src, *dst; int newVal; if (!((infoPtr->Flags & FLAG_BUDDYINT) && IsWindow(infoPtr->Buddy))) return FALSE; /*if the buddy is a list window, we must set curr index */ if (UPDOWN_IsBuddyListbox(infoPtr)) { newVal = SendMessageW(infoPtr->Buddy, LB_GETCARETINDEX, 0, 0); if(newVal < 0) return FALSE; } else { /* we have a regular window, so will get the text */ /* note that a zero-length string is a legitimate value for 'txt', * and ought to result in a successful conversion to '0'. */ if (GetWindowTextW(infoPtr->Buddy, txt, COUNT_OF(txt)) < 0) return FALSE; sep = UPDOWN_GetThousandSep(); /* now get rid of the separators */ for(src = dst = txt; *src; src++) if(*src != sep) *dst++ = *src; *dst = 0; /* try to convert the number and validate it */ newVal = strtolW(txt, &src, infoPtr->Base); if(*src || !UPDOWN_InBounds (infoPtr, newVal)) return FALSE; } TRACE("new value(%d) from buddy (old=%d)\n", newVal, infoPtr->CurVal); infoPtr->CurVal = newVal; return TRUE; } /*********************************************************************** * UPDOWN_SetBuddyInt * Tries to set the pos to the buddy window based on current pos * returns: * TRUE - if it set the caption of the buddy successfully * FALSE - if an error occurred */ static BOOL UPDOWN_SetBuddyInt (const UPDOWN_INFO *infoPtr) { static const WCHAR fmt_hex[] = { '0', 'x', '%', '0', '4', 'X', 0 }; static const WCHAR fmt_dec_oct[] = { '%', 'd', '\0' }; const WCHAR *fmt; WCHAR txt[20], txt_old[20] = { 0 }; int len; if (!((infoPtr->Flags & FLAG_BUDDYINT) && IsWindow(infoPtr->Buddy))) return FALSE; TRACE("set new value(%d) to buddy.\n", infoPtr->CurVal); /*if the buddy is a list window, we must set curr index */ if (UPDOWN_IsBuddyListbox(infoPtr)) { return SendMessageW(infoPtr->Buddy, LB_SETCURSEL, infoPtr->CurVal, 0) != LB_ERR; } /* Regular window, so set caption to the number */ fmt = (infoPtr->Base == 16) ? fmt_hex : fmt_dec_oct; len = wsprintfW(txt, fmt, infoPtr->CurVal); /* Do thousands separation if necessary */ if ((infoPtr->Base == 10) && !(infoPtr->dwStyle & UDS_NOTHOUSANDS) && (len > 3)) { WCHAR tmp[COUNT_OF(txt)], *src = tmp, *dst = txt; WCHAR sep = UPDOWN_GetThousandSep(); int start = len % 3; memcpy(tmp, txt, sizeof(txt)); if (start == 0) start = 3; dst += start; src += start; for (len=0; *src; len++) { if (len % 3 == 0) *dst++ = sep; *dst++ = *src++; } *dst = 0; } /* if nothing changed exit earlier */ GetWindowTextW(infoPtr->Buddy, txt_old, sizeof(txt_old)/sizeof(WCHAR)); if (lstrcmpiW(txt_old, txt) == 0) return 0; return SetWindowTextW(infoPtr->Buddy, txt); } /*********************************************************************** * UPDOWN_DrawBuddyBackground * * Draw buddy background for visual integration. */ static BOOL UPDOWN_DrawBuddyBackground (const UPDOWN_INFO *infoPtr, HDC hdc) { RECT br; HTHEME buddyTheme = GetWindowTheme (infoPtr->Buddy); if (!buddyTheme) return FALSE; GetClientRect (infoPtr->Buddy, &br); MapWindowPoints (infoPtr->Buddy, infoPtr->Self, (POINT*)&br, 2); /* FIXME: take disabled etc. into account */ DrawThemeBackground (buddyTheme, hdc, 0, 0, &br, NULL); return TRUE; } /*********************************************************************** * UPDOWN_Draw * * Draw the arrows. The background need not be erased. */ static LRESULT UPDOWN_Draw (const UPDOWN_INFO *infoPtr, HDC hdc) { BOOL uPressed, uHot, dPressed, dHot; RECT rect; HTHEME theme = GetWindowTheme (infoPtr->Self); int uPart = 0, uState = 0, dPart = 0, dState = 0; BOOL needBuddyBg = FALSE; uPressed = (infoPtr->Flags & FLAG_PRESSED) && (infoPtr->Flags & FLAG_INCR); uHot = (infoPtr->Flags & FLAG_INCR) && (infoPtr->Flags & FLAG_MOUSEIN); dPressed = (infoPtr->Flags & FLAG_PRESSED) && (infoPtr->Flags & FLAG_DECR); dHot = (infoPtr->Flags & FLAG_DECR) && (infoPtr->Flags & FLAG_MOUSEIN); if (theme) { uPart = (infoPtr->dwStyle & UDS_HORZ) ? SPNP_UPHORZ : SPNP_UP; uState = (infoPtr->dwStyle & WS_DISABLED) ? DNS_DISABLED : (uPressed ? DNS_PRESSED : (uHot ? DNS_HOT : DNS_NORMAL)); dPart = (infoPtr->dwStyle & UDS_HORZ) ? SPNP_DOWNHORZ : SPNP_DOWN; dState = (infoPtr->dwStyle & WS_DISABLED) ? DNS_DISABLED : (dPressed ? DNS_PRESSED : (dHot ? DNS_HOT : DNS_NORMAL)); needBuddyBg = IsWindow (infoPtr->Buddy) && (IsThemeBackgroundPartiallyTransparent (theme, uPart, uState) || IsThemeBackgroundPartiallyTransparent (theme, dPart, dState)); } /* Draw the common border between ourselves and our buddy */ if (UPDOWN_HasBuddyBorder(infoPtr) || needBuddyBg) { if (!theme || !UPDOWN_DrawBuddyBackground (infoPtr, hdc)) { GetClientRect(infoPtr->Self, &rect); DrawEdge(hdc, &rect, EDGE_SUNKEN, BF_BOTTOM | BF_TOP | (infoPtr->dwStyle & UDS_ALIGNLEFT ? BF_LEFT : BF_RIGHT)); } } /* Draw the incr button */ UPDOWN_GetArrowRect (infoPtr, &rect, FLAG_INCR); if (theme) { DrawThemeBackground(theme, hdc, uPart, uState, &rect, NULL); } else { DrawFrameControl(hdc, &rect, DFC_SCROLL, (infoPtr->dwStyle & UDS_HORZ ? DFCS_SCROLLRIGHT : DFCS_SCROLLUP) | ((infoPtr->dwStyle & UDS_HOTTRACK) && uHot ? DFCS_HOT : 0) | (uPressed ? DFCS_PUSHED : 0) | (infoPtr->dwStyle & WS_DISABLED ? DFCS_INACTIVE : 0) ); } /* Draw the decr button */ UPDOWN_GetArrowRect(infoPtr, &rect, FLAG_DECR); if (theme) { DrawThemeBackground(theme, hdc, dPart, dState, &rect, NULL); } else { DrawFrameControl(hdc, &rect, DFC_SCROLL, (infoPtr->dwStyle & UDS_HORZ ? DFCS_SCROLLLEFT : DFCS_SCROLLDOWN) | ((infoPtr->dwStyle & UDS_HOTTRACK) && dHot ? DFCS_HOT : 0) | (dPressed ? DFCS_PUSHED : 0) | (infoPtr->dwStyle & WS_DISABLED ? DFCS_INACTIVE : 0) ); } return 0; } /*********************************************************************** * UPDOWN_Paint * * Asynchronous drawing (must ONLY be used in WM_PAINT). * Calls UPDOWN_Draw. */ static LRESULT UPDOWN_Paint (const UPDOWN_INFO *infoPtr, HDC hdc) { PAINTSTRUCT ps; if (hdc) return UPDOWN_Draw (infoPtr, hdc); hdc = BeginPaint (infoPtr->Self, &ps); UPDOWN_Draw (infoPtr, hdc); EndPaint (infoPtr->Self, &ps); return 0; } /*********************************************************************** * UPDOWN_KeyPressed * * Handle key presses (up & down) when we have to do so */ static LRESULT UPDOWN_KeyPressed(UPDOWN_INFO *infoPtr, int key) { int arrow, accel; if (key == VK_UP) arrow = FLAG_INCR; else if (key == VK_DOWN) arrow = FLAG_DECR; else return 1; UPDOWN_GetBuddyInt (infoPtr); infoPtr->Flags &= ~FLAG_ARROW; infoPtr->Flags |= FLAG_PRESSED | arrow; InvalidateRect (infoPtr->Self, NULL, FALSE); SetTimer(infoPtr->Self, TIMER_AUTOPRESS, AUTOPRESS_DELAY, 0); accel = (infoPtr->AccelCount && infoPtr->AccelVect) ? infoPtr->AccelVect[0].nInc : 1; UPDOWN_DoAction (infoPtr, accel, arrow); return 0; } /*********************************************************************** * UPDOWN_SetRange * * Handle UDM_SETRANGE, UDM_SETRANGE32 * * FIXME: handle Max == Min properly: * - arrows should be disabled (without WS_DISABLED set), * visually they can't be pressed and don't respond; * - all input messages should still pass in. */ static LRESULT UPDOWN_SetRange(UPDOWN_INFO *infoPtr, INT Max, INT Min) { infoPtr->MaxVal = Max; infoPtr->MinVal = Min; TRACE("UpDown Ctrl new range(%d to %d), hwnd=%p\n", infoPtr->MinVal, infoPtr->MaxVal, infoPtr->Self); return 0; } /*********************************************************************** * UPDOWN_MouseWheel * * Handle mouse wheel scrolling */ static LRESULT UPDOWN_MouseWheel(UPDOWN_INFO *infoPtr, WPARAM wParam) { int iWheelDelta = GET_WHEEL_DELTA_WPARAM(wParam) / WHEEL_DELTA; if (wParam & (MK_SHIFT | MK_CONTROL)) return 0; if (iWheelDelta != 0) { UPDOWN_GetBuddyInt(infoPtr); UPDOWN_DoAction(infoPtr, abs(iWheelDelta), iWheelDelta > 0 ? FLAG_INCR : FLAG_DECR); } return 1; } /*********************************************************************** * UPDOWN_Buddy_SubclassProc used to handle messages sent to the buddy * control. */ static LRESULT CALLBACK UPDOWN_Buddy_SubclassProc(HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam, UINT_PTR uId, DWORD_PTR ref_data) { UPDOWN_INFO *infoPtr = UPDOWN_GetInfoPtr((HWND)ref_data); TRACE("hwnd=%p, uMsg=%04x, wParam=%08lx, lParam=%08lx\n", hwnd, uMsg, wParam, lParam); switch(uMsg) { case WM_KEYDOWN: UPDOWN_KeyPressed(infoPtr, (int)wParam); if ((wParam == VK_UP) || (wParam == VK_DOWN)) return 0; break; case WM_MOUSEWHEEL: UPDOWN_MouseWheel(infoPtr, (int)wParam); break; default: break; } return DefSubclassProc(hwnd, uMsg, wParam, lParam); } /*********************************************************************** * UPDOWN_SetBuddy * * Sets bud as a new Buddy. * Then, it should subclass the buddy * If window has the UDS_ARROWKEYS, it subclasses the buddy window to * process the UP/DOWN arrow keys. * If window has the UDS_ALIGNLEFT or UDS_ALIGNRIGHT style * the size/pos of the buddy and the control are adjusted accordingly. */ static HWND UPDOWN_SetBuddy (UPDOWN_INFO* infoPtr, HWND bud) { RECT budRect; /* new coord for the buddy */ int x, width; /* new x position and width for the up-down */ WCHAR buddyClass[40]; HWND ret; TRACE("(hwnd=%p, bud=%p)\n", infoPtr->Self, bud); ret = infoPtr->Buddy; /* there is already a buddy assigned */ if (infoPtr->Buddy) RemoveWindowSubclass(infoPtr->Buddy, UPDOWN_Buddy_SubclassProc, BUDDY_SUBCLASSID); if (!IsWindow(bud)) bud = NULL; /* Store buddy window handle */ infoPtr->Buddy = bud; if(bud) { /* Store buddy window class type */ infoPtr->BuddyType = BUDDY_TYPE_UNKNOWN; if (GetClassNameW(bud, buddyClass, COUNT_OF(buddyClass))) { if (lstrcmpiW(buddyClass, WC_EDITW) == 0) infoPtr->BuddyType = BUDDY_TYPE_EDIT; else if (lstrcmpiW(buddyClass, WC_LISTBOXW) == 0) infoPtr->BuddyType = BUDDY_TYPE_LISTBOX; } if (infoPtr->dwStyle & UDS_ARROWKEYS) SetWindowSubclass(bud, UPDOWN_Buddy_SubclassProc, BUDDY_SUBCLASSID, (DWORD_PTR)infoPtr->Self); /* Get the rect of the buddy relative to its parent */ GetWindowRect(infoPtr->Buddy, &budRect); MapWindowPoints(HWND_DESKTOP, GetParent(infoPtr->Buddy), (POINT *)(&budRect.left), 2); /* now do the positioning */ if (infoPtr->dwStyle & UDS_ALIGNLEFT) { x = budRect.left; budRect.left += DEFAULT_WIDTH + DEFAULT_XSEP; } else if (infoPtr->dwStyle & UDS_ALIGNRIGHT) { budRect.right -= DEFAULT_WIDTH + DEFAULT_XSEP; x = budRect.right+DEFAULT_XSEP; } else { /* nothing to do */ return ret; } /* first adjust the buddy to accommodate the up/down */ SetWindowPos(infoPtr->Buddy, 0, budRect.left, budRect.top, budRect.right - budRect.left, budRect.bottom - budRect.top, SWP_NOACTIVATE|SWP_NOZORDER); /* now position the up/down */ /* Since the UDS_ALIGN* flags were used, */ /* we will pick the position and size of the window. */ width = DEFAULT_WIDTH; /* * If the updown has a buddy border, it has to overlap with the buddy * to look as if it is integrated with the buddy control. * We nudge the control or change its size to overlap. */ if (UPDOWN_HasBuddyBorder(infoPtr)) { if(infoPtr->dwStyle & UDS_ALIGNLEFT) width += DEFAULT_BUDDYBORDER; else x -= DEFAULT_BUDDYBORDER; } SetWindowPos(infoPtr->Self, 0, x, budRect.top - DEFAULT_ADDTOP, width, budRect.bottom - budRect.top + DEFAULT_ADDTOP + DEFAULT_ADDBOT, SWP_NOACTIVATE|SWP_FRAMECHANGED|SWP_NOZORDER); } else { RECT rect; GetWindowRect(infoPtr->Self, &rect); MapWindowPoints(HWND_DESKTOP, GetParent(infoPtr->Self), (POINT *)&rect, 2); SetWindowPos(infoPtr->Self, 0, rect.left, rect.top, DEFAULT_WIDTH, rect.bottom - rect.top, SWP_NOACTIVATE|SWP_FRAMECHANGED|SWP_NOZORDER); } return ret; } /*********************************************************************** * UPDOWN_DoAction * * This function increments/decrements the CurVal by the * 'delta' amount according to the 'action' flag which can be a * combination of FLAG_INCR and FLAG_DECR * It notifies the parent as required. * It handles wrapping and non-wrapping correctly. * It is assumed that delta>0 */ static void UPDOWN_DoAction (UPDOWN_INFO *infoPtr, int delta, int action) { NM_UPDOWN ni; TRACE("%d by %d\n", action, delta); /* check if we can do the modification first */ delta *= (action & FLAG_INCR ? 1 : -1) * (infoPtr->MaxVal < infoPtr->MinVal ? -1 : 1); if ( (action & FLAG_INCR) && (action & FLAG_DECR) ) delta = 0; TRACE("current %d, delta: %d\n", infoPtr->CurVal, delta); /* We must notify parent now to obtain permission */ ni.iPos = infoPtr->CurVal; ni.iDelta = delta; ni.hdr.hwndFrom = infoPtr->Self; ni.hdr.idFrom = GetWindowLongPtrW (infoPtr->Self, GWLP_ID); ni.hdr.code = UDN_DELTAPOS; if (!SendMessageW(infoPtr->Notify, WM_NOTIFY, ni.hdr.idFrom, (LPARAM)&ni)) { /* Parent said: OK to adjust */ /* Now adjust value with (maybe new) delta */ if (UPDOWN_OffsetVal (infoPtr, ni.iDelta)) { TRACE("new %d, delta: %d\n", infoPtr->CurVal, ni.iDelta); /* Now take care about our buddy */ UPDOWN_SetBuddyInt (infoPtr); } } /* Also, notify it. This message is sent in any case. */ SendMessageW( infoPtr->Notify, (infoPtr->dwStyle & UDS_HORZ) ? WM_HSCROLL : WM_VSCROLL, MAKELONG(SB_THUMBPOSITION, infoPtr->CurVal), (LPARAM)infoPtr->Self); } /*********************************************************************** * UPDOWN_IsEnabled * * Returns TRUE if it is enabled as well as its buddy (if any) * FALSE otherwise */ static BOOL UPDOWN_IsEnabled (const UPDOWN_INFO *infoPtr) { if (!IsWindowEnabled(infoPtr->Self)) return FALSE; if(infoPtr->Buddy) return IsWindowEnabled(infoPtr->Buddy); return TRUE; } /*********************************************************************** * UPDOWN_CancelMode * * Deletes any timers, releases the mouse and does redraw if necessary. * If the control is not in "capture" mode, it does nothing. * If the control was not in cancel mode, it returns FALSE. * If the control was in cancel mode, it returns TRUE. */ static BOOL UPDOWN_CancelMode (UPDOWN_INFO *infoPtr) { if (!(infoPtr->Flags & FLAG_PRESSED)) return FALSE; KillTimer (infoPtr->Self, TIMER_AUTOREPEAT); KillTimer (infoPtr->Self, TIMER_ACCEL); KillTimer (infoPtr->Self, TIMER_AUTOPRESS); if (GetCapture() == infoPtr->Self) { NMHDR hdr; hdr.hwndFrom = infoPtr->Self; hdr.idFrom = GetWindowLongPtrW (infoPtr->Self, GWLP_ID); hdr.code = NM_RELEASEDCAPTURE; SendMessageW(infoPtr->Notify, WM_NOTIFY, hdr.idFrom, (LPARAM)&hdr); ReleaseCapture(); } infoPtr->Flags &= ~FLAG_PRESSED; InvalidateRect (infoPtr->Self, NULL, FALSE); return TRUE; } /*********************************************************************** * UPDOWN_HandleMouseEvent * * Handle a mouse event for the updown. * 'pt' is the location of the mouse event in client or * windows coordinates. */ static void UPDOWN_HandleMouseEvent (UPDOWN_INFO *infoPtr, UINT msg, INT x, INT y) { POINT pt = { x, y }; RECT rect; int temp, arrow; TRACKMOUSEEVENT tme; TRACE("msg %04x point %s\n", msg, wine_dbgstr_point(&pt)); switch(msg) { case WM_LBUTTONDOWN: /* Initialise mouse tracking */ /* If the buddy is an edit, will set focus to it */ if (UPDOWN_IsBuddyEdit(infoPtr)) SetFocus(infoPtr->Buddy); /* Now see which one is the 'active' arrow */ arrow = UPDOWN_GetArrowFromPoint (infoPtr, &rect, pt); /* Update the flags if we are in/out */ infoPtr->Flags &= ~(FLAG_MOUSEIN | FLAG_ARROW); if (arrow) infoPtr->Flags |= FLAG_MOUSEIN | arrow; else if (infoPtr->AccelIndex != -1) infoPtr->AccelIndex = 0; if (infoPtr->Flags & FLAG_ARROW) { /* Update the CurVal if necessary */ UPDOWN_GetBuddyInt (infoPtr); /* Set up the correct flags */ infoPtr->Flags |= FLAG_PRESSED; /* repaint the control */ InvalidateRect (infoPtr->Self, NULL, FALSE); /* process the click */ temp = (infoPtr->AccelCount && infoPtr->AccelVect) ? infoPtr->AccelVect[0].nInc : 1; UPDOWN_DoAction (infoPtr, temp, infoPtr->Flags & FLAG_ARROW); /* now capture all mouse messages */ SetCapture (infoPtr->Self); /* and startup the first timer */ SetTimer(infoPtr->Self, TIMER_AUTOREPEAT, INITIAL_DELAY, 0); } break; case WM_MOUSEMOVE: /* save the flags to see if any got modified */ temp = infoPtr->Flags; /* Now see which one is the 'active' arrow */ arrow = UPDOWN_GetArrowFromPoint (infoPtr, &rect, pt); /* Update the flags if we are in/out */ infoPtr->Flags &= ~(FLAG_MOUSEIN | FLAG_ARROW); if(arrow) { infoPtr->Flags |= FLAG_MOUSEIN | arrow; } else { if(infoPtr->AccelIndex != -1) infoPtr->AccelIndex = 0; } /* If state changed, redraw the control */ if(temp != infoPtr->Flags) InvalidateRect (infoPtr->Self, NULL, FALSE); /* Set up tracking so the mousein flags can be reset when the * mouse leaves the control */ tme.cbSize = sizeof( tme ); tme.dwFlags = TME_LEAVE; tme.hwndTrack = infoPtr->Self; TrackMouseEvent (&tme); break; case WM_MOUSELEAVE: infoPtr->Flags &= ~(FLAG_MOUSEIN | FLAG_ARROW); InvalidateRect (infoPtr->Self, NULL, FALSE); break; default: ERR("Impossible case (msg=%x)!\n", msg); } } /*********************************************************************** * UpDownWndProc */ static LRESULT WINAPI UpDownWindowProc(HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam) { UPDOWN_INFO *infoPtr = UPDOWN_GetInfoPtr (hwnd); static const WCHAR themeClass[] = {'S','p','i','n',0}; HTHEME theme; TRACE("hwnd=%p msg=%04x wparam=%08lx lparam=%08lx\n", hwnd, message, wParam, lParam); if (!infoPtr && (message != WM_CREATE)) return DefWindowProcW (hwnd, message, wParam, lParam); switch(message) { case WM_CREATE: { CREATESTRUCTW *pcs = (CREATESTRUCTW*)lParam; infoPtr = Alloc (sizeof(UPDOWN_INFO)); SetWindowLongPtrW (hwnd, 0, (DWORD_PTR)infoPtr); /* initialize the info struct */ infoPtr->Self = hwnd; infoPtr->Notify = pcs->hwndParent; infoPtr->dwStyle = pcs->style; infoPtr->AccelCount = 0; infoPtr->AccelVect = 0; infoPtr->AccelIndex = -1; infoPtr->CurVal = 0; infoPtr->MinVal = 100; infoPtr->MaxVal = 0; infoPtr->Base = 10; /* Default to base 10 */ infoPtr->Buddy = 0; /* No buddy window yet */ infoPtr->Flags = (infoPtr->dwStyle & UDS_SETBUDDYINT) ? FLAG_BUDDYINT : 0; SetWindowLongW (hwnd, GWL_STYLE, infoPtr->dwStyle & ~WS_BORDER); if (!(infoPtr->dwStyle & UDS_HORZ)) SetWindowPos (hwnd, NULL, 0, 0, DEFAULT_WIDTH, pcs->cy, SWP_NOOWNERZORDER | SWP_NOZORDER | SWP_NOMOVE); /* Do we pick the buddy win ourselves? */ if (infoPtr->dwStyle & UDS_AUTOBUDDY) UPDOWN_SetBuddy (infoPtr, GetWindow (hwnd, GW_HWNDPREV)); OpenThemeData (hwnd, themeClass); TRACE("UpDown Ctrl creation, hwnd=%p\n", hwnd); } break; case WM_DESTROY: Free (infoPtr->AccelVect); if (infoPtr->Buddy) RemoveWindowSubclass(infoPtr->Buddy, UPDOWN_Buddy_SubclassProc, BUDDY_SUBCLASSID); Free (infoPtr); SetWindowLongPtrW (hwnd, 0, 0); theme = GetWindowTheme (hwnd); CloseThemeData (theme); TRACE("UpDown Ctrl destruction, hwnd=%p\n", hwnd); break; case WM_ENABLE: if (wParam) { infoPtr->dwStyle &= ~WS_DISABLED; } else { infoPtr->dwStyle |= WS_DISABLED; UPDOWN_CancelMode (infoPtr); } InvalidateRect (infoPtr->Self, NULL, FALSE); break; case WM_STYLECHANGED: if (wParam == GWL_STYLE) { infoPtr->dwStyle = ((LPSTYLESTRUCT)lParam)->styleNew; InvalidateRect (infoPtr->Self, NULL, FALSE); } break; case WM_THEMECHANGED: theme = GetWindowTheme (hwnd); CloseThemeData (theme); OpenThemeData (hwnd, themeClass); InvalidateRect (hwnd, NULL, FALSE); break; case WM_TIMER: /* is this the auto-press timer? */ if(wParam == TIMER_AUTOPRESS) { KillTimer(hwnd, TIMER_AUTOPRESS); infoPtr->Flags &= ~(FLAG_PRESSED | FLAG_ARROW); InvalidateRect(infoPtr->Self, NULL, FALSE); } /* if initial timer, kill it and start the repeat timer */ if(wParam == TIMER_AUTOREPEAT) { INT delay; KillTimer(hwnd, TIMER_AUTOREPEAT); /* if no accel info given, used default timer */ if(infoPtr->AccelCount==0 || infoPtr->AccelVect==0) { infoPtr->AccelIndex = -1; delay = REPEAT_DELAY; } else { infoPtr->AccelIndex = 0; /* otherwise, use it */ delay = infoPtr->AccelVect[infoPtr->AccelIndex].nSec * 1000 + 1; } SetTimer(hwnd, TIMER_ACCEL, delay, 0); } /* now, if the mouse is above us, do the thing...*/ if(infoPtr->Flags & FLAG_MOUSEIN) { int temp; temp = infoPtr->AccelIndex == -1 ? 1 : infoPtr->AccelVect[infoPtr->AccelIndex].nInc; UPDOWN_DoAction(infoPtr, temp, infoPtr->Flags & FLAG_ARROW); if(infoPtr->AccelIndex != -1 && infoPtr->AccelIndex < infoPtr->AccelCount-1) { KillTimer(hwnd, TIMER_ACCEL); infoPtr->AccelIndex++; /* move to the next accel info */ temp = infoPtr->AccelVect[infoPtr->AccelIndex].nSec * 1000 + 1; /* make sure we have at least 1ms intervals */ SetTimer(hwnd, TIMER_ACCEL, temp, 0); } } break; case WM_CANCELMODE: return UPDOWN_CancelMode (infoPtr); case WM_LBUTTONUP: if (GetCapture() != infoPtr->Self) break; if ( (infoPtr->Flags & FLAG_MOUSEIN) && (infoPtr->Flags & FLAG_ARROW) ) { SendMessageW( infoPtr->Notify, (infoPtr->dwStyle & UDS_HORZ) ? WM_HSCROLL : WM_VSCROLL, MAKELONG(SB_ENDSCROLL, infoPtr->CurVal), (LPARAM)hwnd); if (UPDOWN_IsBuddyEdit(infoPtr)) SendMessageW(infoPtr->Buddy, EM_SETSEL, 0, MAKELONG(0, -1)); } UPDOWN_CancelMode(infoPtr); break; case WM_LBUTTONDOWN: case WM_MOUSEMOVE: case WM_MOUSELEAVE: if(UPDOWN_IsEnabled(infoPtr)) UPDOWN_HandleMouseEvent (infoPtr, message, (SHORT)LOWORD(lParam), (SHORT)HIWORD(lParam)); break; case WM_MOUSEWHEEL: UPDOWN_MouseWheel(infoPtr, wParam); break; case WM_KEYDOWN: if((infoPtr->dwStyle & UDS_ARROWKEYS) && UPDOWN_IsEnabled(infoPtr)) return UPDOWN_KeyPressed(infoPtr, (int)wParam); break; case WM_PRINTCLIENT: case WM_PAINT: return UPDOWN_Paint (infoPtr, (HDC)wParam); case UDM_GETACCEL: if (wParam==0 && lParam==0) return infoPtr->AccelCount; if (wParam && lParam) { int temp = min(infoPtr->AccelCount, wParam); memcpy((void *)lParam, infoPtr->AccelVect, temp*sizeof(UDACCEL)); return temp; } return 0; case UDM_SETACCEL: { TRACE("UDM_SETACCEL\n"); if(infoPtr->AccelVect) { Free (infoPtr->AccelVect); infoPtr->AccelCount = 0; infoPtr->AccelVect = 0; } if(wParam==0) return TRUE; infoPtr->AccelVect = Alloc (wParam*sizeof(UDACCEL)); if(infoPtr->AccelVect == 0) return FALSE; memcpy(infoPtr->AccelVect, (void*)lParam, wParam*sizeof(UDACCEL)); infoPtr->AccelCount = wParam; if (TRACE_ON(updown)) { INT i; for (i = 0; i < wParam; i++) TRACE("%d: nSec %u nInc %u\n", i, infoPtr->AccelVect[i].nSec, infoPtr->AccelVect[i].nInc); } return TRUE; } case UDM_GETBASE: return infoPtr->Base; case UDM_SETBASE: TRACE("UpDown Ctrl new base(%ld), hwnd=%p\n", wParam, hwnd); if (wParam==10 || wParam==16) { WPARAM old_base = infoPtr->Base; infoPtr->Base = wParam; if (old_base != infoPtr->Base) UPDOWN_SetBuddyInt(infoPtr); return old_base; } break; case UDM_GETBUDDY: return (LRESULT)infoPtr->Buddy; case UDM_SETBUDDY: return (LRESULT)UPDOWN_SetBuddy (infoPtr, (HWND)wParam); case UDM_GETPOS: { BOOL ret = UPDOWN_GetBuddyInt (infoPtr); return MAKELONG(infoPtr->CurVal, ret ? 0 : 1); } case UDM_SETPOS: { int temp = (short)LOWORD(lParam); TRACE("UpDown Ctrl new value(%d), hwnd=%p\n", temp, hwnd); if(!UPDOWN_InBounds(infoPtr, temp)) { if(temp < infoPtr->MinVal) temp = infoPtr->MinVal; if(temp > infoPtr->MaxVal) temp = infoPtr->MaxVal; } wParam = infoPtr->CurVal; infoPtr->CurVal = temp; UPDOWN_SetBuddyInt (infoPtr); return wParam; /* return prev value */ } case UDM_GETRANGE: return MAKELONG(infoPtr->MaxVal, infoPtr->MinVal); case UDM_SETRANGE: /* we must have: UD_MINVAL <= Max <= UD_MAXVAL UD_MINVAL <= Min <= UD_MAXVAL |Max-Min| <= UD_MAXVAL */ UPDOWN_SetRange(infoPtr, (short)lParam, (short)HIWORD(lParam)); break; case UDM_GETRANGE32: if (wParam) *(LPINT)wParam = infoPtr->MinVal; if (lParam) *(LPINT)lParam = infoPtr->MaxVal; break; case UDM_SETRANGE32: UPDOWN_SetRange(infoPtr, (INT)lParam, (INT)wParam); break; case UDM_GETPOS32: { BOOL ret = UPDOWN_GetBuddyInt (infoPtr); if ((LPBOOL)lParam) *((LPBOOL)lParam) = !ret; return infoPtr->CurVal; } case UDM_SETPOS32: { int temp; if(!UPDOWN_InBounds(infoPtr, (int)lParam)) { if((int)lParam < infoPtr->MinVal) lParam = infoPtr->MinVal; if((int)lParam > infoPtr->MaxVal) lParam = infoPtr->MaxVal; } temp = infoPtr->CurVal; /* save prev value */ infoPtr->CurVal = (int)lParam; /* set the new value */ UPDOWN_SetBuddyInt (infoPtr); return temp; /* return prev value */ } case UDM_GETUNICODEFORMAT: /* we lie a bit here, we're always using Unicode internally */ return infoPtr->UnicodeFormat; case UDM_SETUNICODEFORMAT: { /* do we really need to honour this flag? */ int temp = infoPtr->UnicodeFormat; infoPtr->UnicodeFormat = (BOOL)wParam; return temp; } default: if ((message >= WM_USER) && (message < WM_APP) && !COMCTL32_IsReflectedMessage(message)) ERR("unknown msg %04x wp=%04lx lp=%08lx\n", message, wParam, lParam); return DefWindowProcW (hwnd, message, wParam, lParam); } return 0; } /*********************************************************************** * UPDOWN_Register [Internal] * * Registers the updown window class. */ void UPDOWN_Register(void) { WNDCLASSW wndClass; ZeroMemory( &wndClass, sizeof( WNDCLASSW ) ); wndClass.style = CS_GLOBALCLASS | CS_VREDRAW | CS_HREDRAW; wndClass.lpfnWndProc = UpDownWindowProc; wndClass.cbClsExtra = 0; wndClass.cbWndExtra = sizeof(UPDOWN_INFO*); wndClass.hCursor = LoadCursorW( 0, (LPWSTR)IDC_ARROW ); wndClass.hbrBackground = (HBRUSH)(COLOR_BTNFACE + 1); wndClass.lpszClassName = UPDOWN_CLASSW; RegisterClassW( &wndClass ); } /*********************************************************************** * UPDOWN_Unregister [Internal] * * Unregisters the updown window class. */ void UPDOWN_Unregister (void) { UnregisterClassW (UPDOWN_CLASSW, NULL); }