982 lines
32 KiB
C
982 lines
32 KiB
C
/*
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* Updown control
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*
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* Copyright 1997, 2002 Dimitrie O. Paun
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*
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*/
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#include <stdlib.h>
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#include <string.h>
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#include <stdio.h>
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#include "windef.h"
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#include "winbase.h"
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#include "wingdi.h"
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#include "winuser.h"
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#include "commctrl.h"
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#include "winnls.h"
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#include "wine/unicode.h"
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#include "wine/debug.h"
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WINE_DEFAULT_DEBUG_CHANNEL(updown);
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typedef struct
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{
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HWND Self; /* Handle to this up-down control */
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UINT AccelCount; /* Number of elements in AccelVect */
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UDACCEL* AccelVect; /* Vector containing AccelCount elements */
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INT AccelIndex; /* Current accel index, -1 if not accel'ing */
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INT Base; /* Base to display nr in the buddy window */
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INT CurVal; /* Current up-down value */
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INT MinVal; /* Minimum up-down value */
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INT MaxVal; /* Maximum up-down value */
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HWND Buddy; /* Handle to the buddy window */
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INT BuddyType; /* Remembers the buddy type BUDDY_TYPE_* */
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INT Flags; /* Internal Flags FLAG_* */
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BOOL UnicodeFormat; /* Marks the use of Unicode internally */
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} UPDOWN_INFO;
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/* Control configuration constants */
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#define INITIAL_DELAY 500 /* initial timer until auto-inc kicks in */
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#define AUTOPRESS_DELAY 250 /* time to keep arrow pressed on KEY_DOWN */
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#define REPEAT_DELAY 50 /* delay between auto-increments */
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#define DEFAULT_WIDTH 14 /* default width of the ctrl */
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#define DEFAULT_XSEP 0 /* default separation between buddy and ctrl */
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#define DEFAULT_ADDTOP 0 /* amount to extend above the buddy window */
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#define DEFAULT_ADDBOT 0 /* amount to extend below the buddy window */
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#define DEFAULT_BUDDYBORDER 2 /* Width/height of the buddy border */
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#define DEFAULT_BUDDYSPACER 2 /* Spacer between the buddy and the ctrl */
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/* Work constants */
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#define FLAG_INCR 0x01
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#define FLAG_DECR 0x02
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#define FLAG_MOUSEIN 0x04
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#define FLAG_PRESSED 0x08
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#define FLAG_ARROW (FLAG_INCR | FLAG_DECR)
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#define BUDDY_TYPE_UNKNOWN 0
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#define BUDDY_TYPE_LISTBOX 1
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#define BUDDY_TYPE_EDIT 2
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#define TIMER_AUTOREPEAT 1
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#define TIMER_ACCEL 2
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#define TIMER_AUTOPRESS 3
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#define BUDDY_UPDOWN_HWND "buddyUpDownHWND"
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#define BUDDY_SUPERCLASS_WNDPROC "buddySupperClassWndProc"
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#define UNKNOWN_PARAM(msg, wParam, lParam) WARN(\
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"Unknown parameter(s) for message " #msg \
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"(%04x): wp=%04x lp=%08lx\n", msg, wParam, lParam);
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#define UPDOWN_GetInfoPtr(hwnd) ((UPDOWN_INFO *)GetWindowLongA (hwnd,0))
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#define COUNT_OF(a) (sizeof(a)/sizeof(a[0]))
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static void UPDOWN_DoAction (UPDOWN_INFO *infoPtr, int delta, int action);
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/***********************************************************************
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* UPDOWN_IsBuddyEdit
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* Tests if our buddy is an edit control.
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*/
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static inline BOOL UPDOWN_IsBuddyEdit(UPDOWN_INFO *infoPtr)
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{
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return infoPtr->BuddyType == BUDDY_TYPE_EDIT;
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}
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/***********************************************************************
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* UPDOWN_IsBuddyListbox
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* Tests if our buddy is a listbox control.
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*/
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static inline BOOL UPDOWN_IsBuddyListbox(UPDOWN_INFO *infoPtr)
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{
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return infoPtr->BuddyType == BUDDY_TYPE_LISTBOX;
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}
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/***********************************************************************
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* UPDOWN_InBounds
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* Tests if a given value 'val' is between the Min&Max limits
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*/
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static BOOL UPDOWN_InBounds(UPDOWN_INFO *infoPtr, int val)
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{
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if(infoPtr->MaxVal > infoPtr->MinVal)
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return (infoPtr->MinVal <= val) && (val <= infoPtr->MaxVal);
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else
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return (infoPtr->MaxVal <= val) && (val <= infoPtr->MinVal);
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}
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/***********************************************************************
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* UPDOWN_OffsetVal
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* Change the current value by delta.
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* It returns TRUE is the value was changed successfuly, or FALSE
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* if the value was not changed, as it would go out of bounds.
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*/
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static BOOL UPDOWN_OffsetVal(UPDOWN_INFO *infoPtr, int delta)
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{
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/* check if we can do the modification first */
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if(!UPDOWN_InBounds (infoPtr, infoPtr->CurVal+delta)) {
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if (GetWindowLongW (infoPtr->Self, GWL_STYLE) & UDS_WRAP) {
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delta += (delta < 0 ? -1 : 1) *
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(infoPtr->MaxVal < infoPtr->MinVal ? -1 : 1) *
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(infoPtr->MinVal - infoPtr->MaxVal) +
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(delta < 0 ? 1 : -1);
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} else return FALSE;
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}
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infoPtr->CurVal += delta;
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return TRUE;
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}
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/***********************************************************************
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* UPDOWN_HasBuddyBorder
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*
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* When we have a buddy set and that we are aligned on our buddy, we
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* want to draw a sunken edge to make like we are part of that control.
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*/
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static BOOL UPDOWN_HasBuddyBorder(UPDOWN_INFO* infoPtr)
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{
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DWORD dwStyle = GetWindowLongW (infoPtr->Self, GWL_STYLE);
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return ( ((dwStyle & (UDS_ALIGNLEFT | UDS_ALIGNRIGHT)) != 0) &&
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UPDOWN_IsBuddyEdit(infoPtr) );
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}
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/***********************************************************************
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* UPDOWN_GetArrowRect
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* wndPtr - pointer to the up-down wnd
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* rect - will hold the rectangle
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* arrow - FLAG_INCR to get the "increment" rect (up or right)
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* FLAG_DECR to get the "decrement" rect (down or left)
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* If both flags are pressent, the envelope is returned.
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*/
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static void UPDOWN_GetArrowRect (UPDOWN_INFO* infoPtr, RECT *rect, int arrow)
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{
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DWORD dwStyle = GetWindowLongW (infoPtr->Self, GWL_STYLE);
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GetClientRect (infoPtr->Self, rect);
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/*
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* Make sure we calculate the rectangle to fit even if we draw the
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* border.
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*/
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if (UPDOWN_HasBuddyBorder(infoPtr)) {
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if (dwStyle & UDS_ALIGNLEFT)
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rect->left += DEFAULT_BUDDYBORDER;
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else
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rect->right -= DEFAULT_BUDDYBORDER;
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InflateRect(rect, 0, -DEFAULT_BUDDYBORDER);
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}
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/* now figure out if we need a space away from the buddy */
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if ( IsWindow(infoPtr->Buddy) ) {
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if (dwStyle & UDS_ALIGNLEFT) rect->right -= DEFAULT_BUDDYSPACER;
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else rect->left += DEFAULT_BUDDYSPACER;
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}
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/*
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* We're calculating the midpoint to figure-out where the
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* separation between the buttons will lay. We make sure that we
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* round the uneven numbers by adding 1.
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*/
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if (dwStyle & UDS_HORZ) {
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int len = rect->right - rect->left + 1; /* compute the width */
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if (arrow & FLAG_INCR)
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rect->left = rect->left + len/2;
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if (arrow & FLAG_DECR)
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rect->right = rect->left + len/2 - 1;
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} else {
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int len = rect->bottom - rect->top + 1; /* compute the height */
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if (arrow & FLAG_INCR)
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rect->bottom = rect->top + len/2 - 1;
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if (arrow & FLAG_DECR)
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rect->top = rect->top + len/2;
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}
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}
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/***********************************************************************
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* UPDOWN_GetArrowFromPoint
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* Returns the rectagle (for the up or down arrow) that contains pt.
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* If it returns the up rect, it returns TRUE.
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* If it returns the down rect, it returns FALSE.
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*/
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static BOOL UPDOWN_GetArrowFromPoint (UPDOWN_INFO* infoPtr, RECT *rect, POINT pt)
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{
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UPDOWN_GetArrowRect (infoPtr, rect, FLAG_INCR);
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if(PtInRect(rect, pt)) return FLAG_INCR;
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UPDOWN_GetArrowRect (infoPtr, rect, FLAG_DECR);
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if(PtInRect(rect, pt)) return FLAG_DECR;
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return 0;
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}
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/***********************************************************************
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* UPDOWN_GetThousandSep
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* Returns the thousand sep. If an error occurs, it returns ','.
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*/
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static WCHAR UPDOWN_GetThousandSep()
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{
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WCHAR sep[2];
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if(GetLocaleInfoW(LOCALE_USER_DEFAULT, LOCALE_STHOUSAND, sep, 2) != 1)
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sep[0] = ',';
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return sep[0];
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}
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/***********************************************************************
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* UPDOWN_GetBuddyInt
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* Tries to read the pos from the buddy window and if it succeeds,
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* it stores it in the control's CurVal
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* returns:
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* TRUE - if it read the integer from the buddy successfully
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* FALSE - if an error occurred
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*/
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static BOOL UPDOWN_GetBuddyInt (UPDOWN_INFO *infoPtr)
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{
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WCHAR txt[20], sep, *src, *dst;
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int newVal;
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if (!IsWindow(infoPtr->Buddy))
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return FALSE;
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/*if the buddy is a list window, we must set curr index */
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if (UPDOWN_IsBuddyListbox(infoPtr)) {
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newVal = SendMessageW(infoPtr->Buddy, LB_GETCARETINDEX, 0, 0);
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if(newVal < 0) return FALSE;
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} else {
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/* we have a regular window, so will get the text */
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if (!GetWindowTextW(infoPtr->Buddy, txt, COUNT_OF(txt))) return FALSE;
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sep = UPDOWN_GetThousandSep();
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/* now get rid of the separators */
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for(src = dst = txt; *src; src++)
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if(*src != sep) *dst++ = *src;
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*dst = 0;
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/* try to convert the number and validate it */
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newVal = strtolW(txt, &src, infoPtr->Base);
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if(*src || !UPDOWN_InBounds (infoPtr, newVal)) return FALSE;
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}
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TRACE("new value(%d) from buddy (old=%d)\n", newVal, infoPtr->CurVal);
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infoPtr->CurVal = newVal;
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return TRUE;
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}
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/***********************************************************************
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* UPDOWN_SetBuddyInt
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* Tries to set the pos to the buddy window based on current pos
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* returns:
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* TRUE - if it set the caption of the buddy successfully
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* FALSE - if an error occurred
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*/
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static BOOL UPDOWN_SetBuddyInt (UPDOWN_INFO *infoPtr)
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{
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WCHAR fmt[3] = { '%', 'd', '\0' };
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WCHAR txt[20];
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int len;
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if (!IsWindow(infoPtr->Buddy)) return FALSE;
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TRACE("set new value(%d) to buddy.\n", infoPtr->CurVal);
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/*if the buddy is a list window, we must set curr index */
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if (UPDOWN_IsBuddyListbox(infoPtr)) {
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return SendMessageW(infoPtr->Buddy, LB_SETCURSEL, infoPtr->CurVal, 0) != LB_ERR;
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}
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/* Regular window, so set caption to the number */
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if (infoPtr->Base == 16) fmt[1] = 'X';
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len = wsprintfW(txt, fmt, infoPtr->CurVal);
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/* Do thousands seperation if necessary */
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if (!(GetWindowLongW (infoPtr->Self, GWL_STYLE) & UDS_NOTHOUSANDS) && (len > 3)) {
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WCHAR tmp[COUNT_OF(txt)], *src = tmp, *dst = txt;
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WCHAR sep = UPDOWN_GetThousandSep();
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int start = len % 3;
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memcpy(tmp, txt, sizeof(txt));
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if (start == 0) start = 3;
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dst += start;
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src += start;
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for (len=0; *src; len++) {
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if (len % 3 == 0) *dst++ = sep;
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*dst++ = *src++;
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}
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*dst = 0;
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}
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return SetWindowTextW(infoPtr->Buddy, txt);
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}
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/***********************************************************************
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* UPDOWN_Draw
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*
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* Draw the arrows. The background need not be erased.
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*/
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static LRESULT UPDOWN_Draw (UPDOWN_INFO *infoPtr, HDC hdc)
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{
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DWORD dwStyle = GetWindowLongW (infoPtr->Self, GWL_STYLE);
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BOOL pressed, hot;
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RECT rect;
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/* Draw the common border between ourselves and our buddy */
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if (UPDOWN_HasBuddyBorder(infoPtr)) {
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GetClientRect(infoPtr->Self, &rect);
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DrawEdge(hdc, &rect, EDGE_SUNKEN,
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BF_BOTTOM | BF_TOP |
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(dwStyle & UDS_ALIGNLEFT ? BF_LEFT : BF_RIGHT));
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}
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/* Draw the incr button */
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UPDOWN_GetArrowRect (infoPtr, &rect, FLAG_INCR);
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pressed = (infoPtr->Flags & FLAG_PRESSED) && (infoPtr->Flags & FLAG_INCR);
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hot = (infoPtr->Flags & FLAG_INCR) && (infoPtr->Flags & FLAG_MOUSEIN);
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DrawFrameControl(hdc, &rect, DFC_SCROLL,
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(dwStyle & UDS_HORZ ? DFCS_SCROLLRIGHT : DFCS_SCROLLUP) |
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((dwStyle & UDS_HOTTRACK) && hot ? DFCS_HOT : 0) |
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(pressed ? DFCS_PUSHED : 0) |
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(dwStyle & WS_DISABLED ? DFCS_INACTIVE : 0) );
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/* Draw the decr button */
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UPDOWN_GetArrowRect(infoPtr, &rect, FLAG_DECR);
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pressed = (infoPtr->Flags & FLAG_PRESSED) && (infoPtr->Flags & FLAG_DECR);
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hot = (infoPtr->Flags & FLAG_DECR) && (infoPtr->Flags & FLAG_MOUSEIN);
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DrawFrameControl(hdc, &rect, DFC_SCROLL,
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(dwStyle & UDS_HORZ ? DFCS_SCROLLLEFT : DFCS_SCROLLDOWN) |
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((dwStyle & UDS_HOTTRACK) && hot ? DFCS_HOT : 0) |
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(pressed ? DFCS_PUSHED : 0) |
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(dwStyle & WS_DISABLED ? DFCS_INACTIVE : 0) );
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return 0;
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}
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/***********************************************************************
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* UPDOWN_Paint
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*
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* Asynchronous drawing (must ONLY be used in WM_PAINT).
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* Calls UPDOWN_Draw.
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*/
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static LRESULT UPDOWN_Paint (UPDOWN_INFO *infoPtr, HDC hdc)
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{
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PAINTSTRUCT ps;
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if (hdc) return UPDOWN_Draw (infoPtr, hdc);
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hdc = BeginPaint (infoPtr->Self, &ps);
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UPDOWN_Draw (infoPtr, hdc);
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EndPaint (infoPtr->Self, &ps);
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return 0;
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}
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/***********************************************************************
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* UPDOWN_KeyPressed
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*
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* Handle key presses (up & down) when we have to do so
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*/
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static LRESULT UPDOWN_KeyPressed(UPDOWN_INFO *infoPtr, int key)
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{
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int arrow;
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if (key == VK_UP) arrow = FLAG_INCR;
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else if (key == VK_DOWN) arrow = FLAG_DECR;
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else return 1;
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UPDOWN_GetBuddyInt (infoPtr);
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infoPtr->Flags &= ~FLAG_ARROW;
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infoPtr->Flags |= FLAG_PRESSED | arrow;
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InvalidateRect (infoPtr->Self, NULL, FALSE);
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SetTimer(infoPtr->Self, TIMER_AUTOPRESS, AUTOPRESS_DELAY, 0);
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UPDOWN_DoAction (infoPtr, 1, arrow);
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return 0;
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}
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/***********************************************************************
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* UPDOWN_Buddy_SubclassProc used to handle messages sent to the buddy
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* control.
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*/
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static LRESULT CALLBACK
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UPDOWN_Buddy_SubclassProc(HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
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{
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WNDPROC superClassWndProc = (WNDPROC)GetPropA(hwnd, BUDDY_SUPERCLASS_WNDPROC);
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TRACE("hwnd=%04x, wndProc=%d, uMsg=%04x, wParam=%d, lParam=%d\n",
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hwnd, (INT)superClassWndProc, uMsg, wParam, (UINT)lParam);
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if (uMsg == WM_KEYDOWN) {
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HWND upDownHwnd = GetPropA(hwnd, BUDDY_UPDOWN_HWND);
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UPDOWN_KeyPressed(UPDOWN_GetInfoPtr(upDownHwnd), (int)wParam);
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}
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return CallWindowProcW( superClassWndProc, hwnd, uMsg, wParam, lParam);
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}
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/***********************************************************************
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* UPDOWN_SetBuddy
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* Tests if 'bud' is a valid window handle. If not, returns FALSE.
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* Else, sets it as a new Buddy.
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* Then, it should subclass the buddy
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* If window has the UDS_ARROWKEYS, it subcalsses the buddy window to
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* process the UP/DOWN arrow keys.
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* If window has the UDS_ALIGNLEFT or UDS_ALIGNRIGHT style
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* the size/pos of the buddy and the control are adjusted accordingly.
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*/
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static BOOL UPDOWN_SetBuddy (UPDOWN_INFO* infoPtr, HWND bud)
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{
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DWORD dwStyle = GetWindowLongW (infoPtr->Self, GWL_STYLE);
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RECT budRect; /* new coord for the buddy */
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int x, width; /* new x position and width for the up-down */
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WNDPROC baseWndProc;
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CHAR buddyClass[40];
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/* Is it a valid bud? */
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if(!IsWindow(bud)) return FALSE;
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TRACE("(hwnd=%04x, bud=%04x)\n", infoPtr->Self, bud);
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/* there is already a body assigned */
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if (infoPtr->Buddy) RemovePropA(infoPtr->Buddy, BUDDY_UPDOWN_HWND);
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/* Store buddy window handle */
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infoPtr->Buddy = bud;
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/* keep upDown ctrl hwnd in a buddy property */
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SetPropA( bud, BUDDY_UPDOWN_HWND, infoPtr->Self);
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/* Store buddy window class type */
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infoPtr->BuddyType = BUDDY_TYPE_UNKNOWN;
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if (GetClassNameA(bud, buddyClass, COUNT_OF(buddyClass))) {
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if (lstrcmpiA(buddyClass, "Edit") == 0)
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infoPtr->BuddyType = BUDDY_TYPE_EDIT;
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else if (lstrcmpiA(buddyClass, "Listbox") == 0)
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infoPtr->BuddyType = BUDDY_TYPE_LISTBOX;
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}
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|
|
if(dwStyle & UDS_ARROWKEYS){
|
|
/* Note that I don't clear the BUDDY_SUPERCLASS_WNDPROC property
|
|
when we reset the upDown ctrl buddy to another buddy because it is not
|
|
good to break the window proc chain. */
|
|
if (!GetPropA(bud, BUDDY_SUPERCLASS_WNDPROC)) {
|
|
baseWndProc = (WNDPROC)SetWindowLongW(bud, GWL_WNDPROC, (LPARAM)UPDOWN_Buddy_SubclassProc);
|
|
SetPropA(bud, BUDDY_SUPERCLASS_WNDPROC, (HANDLE)baseWndProc);
|
|
}
|
|
}
|
|
|
|
/* 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 (dwStyle & UDS_ALIGNLEFT) {
|
|
x = budRect.left;
|
|
budRect.left += DEFAULT_WIDTH + DEFAULT_XSEP;
|
|
} else if (dwStyle & UDS_ALIGNRIGHT) {
|
|
budRect.right -= DEFAULT_WIDTH + DEFAULT_XSEP;
|
|
x = budRect.right+DEFAULT_XSEP;
|
|
} else {
|
|
x = budRect.right+DEFAULT_XSEP;
|
|
}
|
|
|
|
/* first adjust the buddy to accomodate 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 it size to overlap.
|
|
*/
|
|
if (UPDOWN_HasBuddyBorder(infoPtr)) {
|
|
if(dwStyle & UDS_ALIGNLEFT)
|
|
width += DEFAULT_BUDDYBORDER;
|
|
else
|
|
x -= DEFAULT_BUDDYBORDER;
|
|
}
|
|
|
|
SetWindowPos(infoPtr->Self, infoPtr->Buddy, x,
|
|
budRect.top - DEFAULT_ADDTOP, width,
|
|
budRect.bottom - budRect.top + DEFAULT_ADDTOP + DEFAULT_ADDBOT,
|
|
SWP_NOACTIVATE);
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
/***********************************************************************
|
|
* 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 wraping and non-wraping correctly.
|
|
* It is assumed that delta>0
|
|
*/
|
|
static void UPDOWN_DoAction (UPDOWN_INFO *infoPtr, int delta, int action)
|
|
{
|
|
DWORD dwStyle = GetWindowLongW (infoPtr->Self, GWL_STYLE);
|
|
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;
|
|
|
|
/* We must notify parent now to obtain permission */
|
|
ni.iPos = infoPtr->CurVal;
|
|
ni.iDelta = delta;
|
|
ni.hdr.hwndFrom = infoPtr->Self;
|
|
ni.hdr.idFrom = GetWindowLongW (infoPtr->Self, GWL_ID);
|
|
ni.hdr.code = UDN_DELTAPOS;
|
|
if (!SendMessageW(GetParent (infoPtr->Self), WM_NOTIFY,
|
|
(WPARAM)ni.hdr.idFrom, (LPARAM)&ni)) {
|
|
/* Parent said: OK to adjust */
|
|
|
|
/* Now adjust value with (maybe new) delta */
|
|
if (UPDOWN_OffsetVal (infoPtr, ni.iDelta)) {
|
|
/* Now take care about our buddy */
|
|
if (dwStyle & UDS_SETBUDDYINT) UPDOWN_SetBuddyInt (infoPtr);
|
|
}
|
|
}
|
|
|
|
/* Also, notify it. This message is sent in any case. */
|
|
SendMessageW( GetParent(infoPtr->Self),
|
|
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 (UPDOWN_INFO *infoPtr)
|
|
{
|
|
if(GetWindowLongW (infoPtr->Self, GWL_STYLE) & WS_DISABLED)
|
|
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 = GetWindowLongW (infoPtr->Self, GWL_ID);
|
|
hdr.code = NM_RELEASEDCAPTURE;
|
|
SendMessageW(GetParent (infoPtr->Self), 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, POINT pt)
|
|
{
|
|
DWORD dwStyle = GetWindowLongW (infoPtr->Self, GWL_STYLE);
|
|
RECT rect;
|
|
int temp, arrow;
|
|
|
|
switch(msg)
|
|
{
|
|
case WM_LBUTTONDOWN: /* Initialise mouse tracking */
|
|
/* If we are inside an arrow, then nothing to do */
|
|
if(!(infoPtr->Flags & FLAG_MOUSEIN)) return;
|
|
|
|
/* 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 */
|
|
if (infoPtr->Flags & FLAG_ARROW) {
|
|
|
|
/* Update the CurVal if necessary */
|
|
if (dwStyle & UDS_SETBUDDYINT) UPDOWN_GetBuddyInt (infoPtr);
|
|
|
|
/* Set up the correct flags */
|
|
infoPtr->Flags |= FLAG_PRESSED;
|
|
|
|
/* repaint the control */
|
|
InvalidateRect (infoPtr->Self, NULL, FALSE);
|
|
|
|
/* process the click */
|
|
UPDOWN_DoAction (infoPtr, 1, 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, &rect, 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);
|
|
DWORD dwStyle = GetWindowLongW (hwnd, GWL_STYLE);
|
|
int temp;
|
|
|
|
if (!infoPtr && (message != WM_CREATE))
|
|
return DefWindowProcW (hwnd, message, wParam, lParam);
|
|
|
|
switch(message)
|
|
{
|
|
case WM_CREATE:
|
|
SetWindowLongW (hwnd, GWL_STYLE, dwStyle & ~WS_BORDER);
|
|
infoPtr = (UPDOWN_INFO*)COMCTL32_Alloc (sizeof(UPDOWN_INFO));
|
|
SetWindowLongW (hwnd, 0, (DWORD)infoPtr);
|
|
|
|
/* initialize the info struct */
|
|
infoPtr->Self = hwnd;
|
|
infoPtr->AccelCount = 0;
|
|
infoPtr->AccelVect = 0;
|
|
infoPtr->AccelIndex = -1;
|
|
infoPtr->CurVal = 0;
|
|
infoPtr->MinVal = 0;
|
|
infoPtr->MaxVal = 9999;
|
|
infoPtr->Base = 10; /* Default to base 10 */
|
|
infoPtr->Buddy = 0; /* No buddy window yet */
|
|
infoPtr->Flags = 0; /* And no flags */
|
|
|
|
/* Do we pick the buddy win ourselves? */
|
|
if (dwStyle & UDS_AUTOBUDDY)
|
|
UPDOWN_SetBuddy (infoPtr, GetWindow (hwnd, GW_HWNDPREV));
|
|
|
|
TRACE("UpDown Ctrl creation, hwnd=%04x\n", hwnd);
|
|
break;
|
|
|
|
case WM_DESTROY:
|
|
if(infoPtr->AccelVect) COMCTL32_Free (infoPtr->AccelVect);
|
|
|
|
if(infoPtr->Buddy) RemovePropA(infoPtr->Buddy, BUDDY_UPDOWN_HWND);
|
|
|
|
COMCTL32_Free (infoPtr);
|
|
SetWindowLongW (hwnd, 0, 0);
|
|
TRACE("UpDown Ctrl destruction, hwnd=%04x\n", hwnd);
|
|
break;
|
|
|
|
case WM_ENABLE:
|
|
if (dwStyle & WS_DISABLED) UPDOWN_CancelMode (infoPtr);
|
|
InvalidateRect (infoPtr->Self, 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) {
|
|
KillTimer(hwnd, TIMER_AUTOREPEAT);
|
|
/* if no accel info given, used default timer */
|
|
if(infoPtr->AccelCount==0 || infoPtr->AccelVect==0) {
|
|
infoPtr->AccelIndex = -1;
|
|
temp = REPEAT_DELAY;
|
|
} else {
|
|
infoPtr->AccelIndex = 0; /* otherwise, use it */
|
|
temp = infoPtr->AccelVect[infoPtr->AccelIndex].nSec * 1000 + 1;
|
|
}
|
|
SetTimer(hwnd, TIMER_ACCEL, temp, 0);
|
|
}
|
|
|
|
/* now, if the mouse is above us, do the thing...*/
|
|
if(infoPtr->Flags & FLAG_MOUSEIN) {
|
|
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( GetParent(hwnd),
|
|
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:
|
|
if(UPDOWN_IsEnabled(infoPtr)){
|
|
POINT pt;
|
|
pt.x = SLOWORD(lParam);
|
|
pt.y = SHIWORD(lParam);
|
|
UPDOWN_HandleMouseEvent (infoPtr, message, pt );
|
|
}
|
|
break;
|
|
|
|
case WM_KEYDOWN:
|
|
if((dwStyle & UDS_ARROWKEYS) && UPDOWN_IsEnabled(infoPtr)) {
|
|
return UPDOWN_KeyPressed(infoPtr, (int)wParam);
|
|
}
|
|
break;
|
|
|
|
case WM_PAINT:
|
|
return UPDOWN_Paint (infoPtr, (HDC)wParam);
|
|
|
|
case UDM_GETACCEL:
|
|
if (wParam==0 && lParam==0) return infoPtr->AccelCount;
|
|
if (wParam && lParam) {
|
|
temp = min(infoPtr->AccelCount, wParam);
|
|
memcpy((void *)lParam, infoPtr->AccelVect, temp*sizeof(UDACCEL));
|
|
return temp;
|
|
}
|
|
UNKNOWN_PARAM(UDM_GETACCEL, wParam, lParam);
|
|
return 0;
|
|
|
|
case UDM_SETACCEL:
|
|
TRACE("UpDown Ctrl new accel info, hwnd=%04x\n", hwnd);
|
|
if(infoPtr->AccelVect) {
|
|
COMCTL32_Free (infoPtr->AccelVect);
|
|
infoPtr->AccelCount = 0;
|
|
infoPtr->AccelVect = 0;
|
|
}
|
|
if(wParam==0) return TRUE;
|
|
infoPtr->AccelVect = COMCTL32_Alloc (wParam*sizeof(UDACCEL));
|
|
if(infoPtr->AccelVect == 0) return FALSE;
|
|
memcpy(infoPtr->AccelVect, (void*)lParam, wParam*sizeof(UDACCEL));
|
|
return TRUE;
|
|
|
|
case UDM_GETBASE:
|
|
if (wParam || lParam) UNKNOWN_PARAM(UDM_GETBASE, wParam, lParam);
|
|
return infoPtr->Base;
|
|
|
|
case UDM_SETBASE:
|
|
TRACE("UpDown Ctrl new base(%d), hwnd=%04x\n", wParam, hwnd);
|
|
if ( !(wParam==10 || wParam==16) || lParam)
|
|
UNKNOWN_PARAM(UDM_SETBASE, wParam, lParam);
|
|
if (wParam==10 || wParam==16) {
|
|
temp = infoPtr->Base;
|
|
infoPtr->Base = wParam;
|
|
return temp;
|
|
}
|
|
break;
|
|
|
|
case UDM_GETBUDDY:
|
|
if (wParam || lParam) UNKNOWN_PARAM(UDM_GETBUDDY, wParam, lParam);
|
|
return (LRESULT)infoPtr->Buddy;
|
|
|
|
case UDM_SETBUDDY:
|
|
if (lParam) UNKNOWN_PARAM(UDM_SETBUDDY, wParam, lParam);
|
|
temp = (int)infoPtr->Buddy;
|
|
UPDOWN_SetBuddy (infoPtr, (HWND)wParam);
|
|
return temp;
|
|
|
|
case UDM_GETPOS:
|
|
if (wParam || lParam) UNKNOWN_PARAM(UDM_GETPOS, wParam, lParam);
|
|
temp = UPDOWN_GetBuddyInt (infoPtr);
|
|
return MAKELONG(infoPtr->CurVal, temp ? 0 : 1);
|
|
|
|
case UDM_SETPOS:
|
|
if (wParam || HIWORD(lParam)) UNKNOWN_PARAM(UDM_GETPOS, wParam, lParam);
|
|
temp = SLOWORD(lParam);
|
|
TRACE("UpDown Ctrl new value(%d), hwnd=%04x\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;
|
|
if(dwStyle & UDS_SETBUDDYINT) UPDOWN_SetBuddyInt (infoPtr);
|
|
return wParam; /* return prev value */
|
|
|
|
case UDM_GETRANGE:
|
|
if (wParam || lParam) UNKNOWN_PARAM(UDM_GETRANGE, wParam, lParam);
|
|
return MAKELONG(infoPtr->MaxVal, infoPtr->MinVal);
|
|
|
|
case UDM_SETRANGE:
|
|
if (wParam) UNKNOWN_PARAM(UDM_SETRANGE, wParam, lParam);
|
|
/* we must have: */
|
|
infoPtr->MaxVal = SLOWORD(lParam); /* UD_MINVAL <= Max <= UD_MAXVAL */
|
|
infoPtr->MinVal = SHIWORD(lParam); /* UD_MINVAL <= Min <= UD_MAXVAL */
|
|
/* |Max-Min| <= UD_MAXVAL */
|
|
TRACE("UpDown Ctrl new range(%d to %d), hwnd=%04x\n",
|
|
infoPtr->MinVal, infoPtr->MaxVal, hwnd);
|
|
break;
|
|
|
|
case UDM_GETRANGE32:
|
|
if (wParam) *(LPINT)wParam = infoPtr->MinVal;
|
|
if (lParam) *(LPINT)lParam = infoPtr->MaxVal;
|
|
break;
|
|
|
|
case UDM_SETRANGE32:
|
|
infoPtr->MinVal = (INT)wParam;
|
|
infoPtr->MaxVal = (INT)lParam;
|
|
if (infoPtr->MaxVal <= infoPtr->MinVal)
|
|
infoPtr->MaxVal = infoPtr->MinVal + 1;
|
|
TRACE("UpDown Ctrl new range(%d to %d), hwnd=%04x\n",
|
|
infoPtr->MinVal, infoPtr->MaxVal, hwnd);
|
|
break;
|
|
|
|
case UDM_GETPOS32:
|
|
if ((LPBOOL)lParam != NULL) *((LPBOOL)lParam) = TRUE;
|
|
return infoPtr->CurVal;
|
|
|
|
case UDM_SETPOS32:
|
|
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 */
|
|
if(dwStyle & UDS_SETBUDDYINT) UPDOWN_SetBuddyInt (infoPtr);
|
|
return temp; /* return prev value */
|
|
|
|
case UDM_GETUNICODEFORMAT:
|
|
if (wParam || lParam) UNKNOWN_PARAM(UDM_GETUNICODEFORMAT, wParam, lParam);
|
|
/* we lie a bit here, we're always using Unicode internally */
|
|
return infoPtr->UnicodeFormat;
|
|
|
|
case UDM_SETUNICODEFORMAT:
|
|
if (lParam) UNKNOWN_PARAM(UDM_SETUNICODEFORMAT, wParam, lParam);
|
|
/* do we really need to honour this flag? */
|
|
temp = infoPtr->UnicodeFormat;
|
|
infoPtr->UnicodeFormat = (BOOL)wParam;
|
|
return temp;
|
|
|
|
default:
|
|
if ((message >= WM_USER) && (message < WM_APP))
|
|
ERR("unknown msg %04x wp=%04x 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;
|
|
wndClass.lpfnWndProc = (WNDPROC)UpDownWindowProc;
|
|
wndClass.cbClsExtra = 0;
|
|
wndClass.cbWndExtra = sizeof(UPDOWN_INFO*);
|
|
wndClass.hCursor = LoadCursorW( 0, IDC_ARROWW );
|
|
wndClass.hbrBackground = (HBRUSH)(COLOR_3DFACE + 1);
|
|
wndClass.lpszClassName = UPDOWN_CLASSW;
|
|
|
|
RegisterClassW( &wndClass );
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* UPDOWN_Unregister [Internal]
|
|
*
|
|
* Unregisters the updown window class.
|
|
*/
|
|
void UPDOWN_Unregister (void)
|
|
{
|
|
UnregisterClassW (UPDOWN_CLASSW, (HINSTANCE)NULL);
|
|
}
|