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reactos/dll/win32/comctl32/updown.c
Joachim Henze 841732e45c [COMCTL32] Updown Suppress the NM_RELEASEDCAPTURE notification CORE-14365 
This fixes a strange toggle-back-effect in 'Zeckensacks Glide Wrapper 0.84c'
by importing Wine commit
9dbe886e3f
Thanks to patches author Akihiro Sagawa <sagawa.aki@gmail.com>
2019-09-20 20:13:09 +02:00

1200 lines
38 KiB
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/*
* 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
*/
#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/heap.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))
/* 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 if ((infoPtr->MaxVal > infoPtr->MinVal && infoPtr->CurVal+delta > infoPtr->MaxVal)
|| (infoPtr->MaxVal < infoPtr->MinVal && infoPtr->CurVal+delta < infoPtr->MaxVal)) {
delta = infoPtr->MaxVal - infoPtr->CurVal;
} else {
delta = infoPtr->MinVal - infoPtr->CurVal;
}
}
infoPtr->CurVal += delta;
return delta != 0;
}
/***********************************************************************
* 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, ARRAY_SIZE(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[ARRAY_SIZE(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, ARRAY_SIZE(txt_old));
if (lstrcmpiW(txt_old, txt) == 0) return FALSE;
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, r;
HTHEME buddyTheme = GetWindowTheme (infoPtr->Buddy);
if (!buddyTheme) return FALSE;
GetWindowRect (infoPtr->Buddy, &br);
MapWindowPoints (NULL, infoPtr->Self, (POINT*)&br, 2);
GetClientRect (infoPtr->Self, &r);
if (infoPtr->dwStyle & UDS_ALIGNLEFT)
br.left = r.left;
else if (infoPtr->dwStyle & UDS_ALIGNRIGHT)
br.right = r.right;
/* 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;
}
static int UPDOWN_GetPos(UPDOWN_INFO *infoPtr, BOOL *err)
{
BOOL succ = UPDOWN_GetBuddyInt(infoPtr);
int val = infoPtr->CurVal;
if(!UPDOWN_InBounds(infoPtr, val)) {
if((infoPtr->MinVal < infoPtr->MaxVal && val < infoPtr->MinVal)
|| (infoPtr->MinVal > infoPtr->MaxVal && val > infoPtr->MinVal))
val = infoPtr->MinVal;
else
val = infoPtr->MaxVal;
succ = FALSE;
}
if(err) *err = !succ;
return val;
}
static int UPDOWN_SetPos(UPDOWN_INFO *infoPtr, int pos)
{
int ret = infoPtr->CurVal;
if(!UPDOWN_InBounds(infoPtr, pos)) {
if((infoPtr->MinVal < infoPtr->MaxVal && pos < infoPtr->MinVal)
|| (infoPtr->MinVal > infoPtr->MaxVal && pos > infoPtr->MinVal))
pos = infoPtr->MinVal;
else
pos = infoPtr->MaxVal;
}
infoPtr->CurVal = pos;
UPDOWN_SetBuddyInt(infoPtr);
if(!UPDOWN_InBounds(infoPtr, ret)) {
if((infoPtr->MinVal < infoPtr->MaxVal && ret < infoPtr->MinVal)
|| (infoPtr->MinVal > infoPtr->MaxVal && ret > infoPtr->MinVal))
ret = infoPtr->MinVal;
else
ret = infoPtr->MaxVal;
}
return ret;
}
/***********************************************************************
* 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:
if (infoPtr)
{
UPDOWN_KeyPressed(infoPtr, (int)wParam);
if (wParam == VK_UP || wParam == VK_DOWN)
return 0;
}
break;
case WM_MOUSEWHEEL:
if (infoPtr)
UPDOWN_MouseWheel(infoPtr, (int)wParam);
break;
case WM_NCDESTROY:
RemoveWindowSubclass(hwnd, UPDOWN_Buddy_SubclassProc, BUDDY_SUBCLASSID);
break;
default:
break;
}
return DefSubclassProc(hwnd, uMsg, wParam, lParam);
}
static void UPDOWN_ResetSubclass (UPDOWN_INFO *infoPtr)
{
SetWindowSubclass(infoPtr->Buddy, UPDOWN_Buddy_SubclassProc, BUDDY_SUBCLASSID, 0);
}
/***********************************************************************
* 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 old_buddy;
TRACE("(hwnd=%p, bud=%p)\n", infoPtr->Self, bud);
old_buddy = infoPtr->Buddy;
UPDOWN_ResetSubclass (infoPtr);
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, ARRAY_SIZE(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 old_buddy;
}
/* 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 if (!(infoPtr->dwStyle & UDS_HORZ) && old_buddy != NULL) {
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 old_buddy;
}
/***********************************************************************
* 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)
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 = heap_alloc_zero(sizeof(*infoPtr));
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:
heap_free (infoPtr->AccelVect);
UPDOWN_ResetSubclass (infoPtr);
heap_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) {
heap_free (infoPtr->AccelVect);
infoPtr->AccelCount = 0;
infoPtr->AccelVect = 0;
}
if(wParam==0) return TRUE;
infoPtr->AccelVect = heap_alloc(wParam*sizeof(UDACCEL));
if(!infoPtr->AccelVect) return FALSE;
memcpy(infoPtr->AccelVect, (void*)lParam, wParam*sizeof(UDACCEL));
infoPtr->AccelCount = wParam;
if (TRACE_ON(updown))
{
UINT i;
for (i = 0; i < wParam; i++)
TRACE("%u: 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 err;
int pos;
pos = UPDOWN_GetPos(infoPtr, &err);
return MAKELONG(pos, err);
}
case UDM_SETPOS:
{
return UPDOWN_SetPos(infoPtr, (short)LOWORD(lParam));
}
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:
{
return UPDOWN_GetPos(infoPtr, (BOOL*)lParam);
}
case UDM_SETPOS32:
{
return UPDOWN_SetPos(infoPtr, (int)lParam);
}
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);
}
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