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user32: Combine horizontal and vertical window scroll bar info in a single structure.

This commit is contained in:
Rein Klazes 2009-05-03 19:39:30 +02:00 committed by Alexandre Julliard
parent 50c3b530f7
commit 1b1e0027db
5 changed files with 83 additions and 29 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
dlls/user32/defwnd.c
View File

@ -406,9 +406,8 @@ static LRESULT DEFWND_DefWinProc( HWND hwnd, UINT msg, WPARAM wParam, LPARAM lPa
if (!wndPtr) return 0;
HeapFree( GetProcessHeap(), 0, wndPtr->text );
wndPtr->text = NULL;
HeapFree( GetProcessHeap(), 0, wndPtr->pVScroll );
HeapFree( GetProcessHeap(), 0, wndPtr->pHScroll );
wndPtr->pVScroll = wndPtr->pHScroll = NULL;
HeapFree( GetProcessHeap(), 0, wndPtr->pScroll );
wndPtr->pScroll = NULL;
WIN_ReleasePtr( wndPtr );
return 0;
}

44
dlls/user32/scroll.c
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@ -41,6 +41,7 @@
WINE_DEFAULT_DEBUG_CHANNEL(scroll);
/* data for a single scroll bar */
typedef struct
{
INT curVal; /* Current scroll-bar value */
@ -50,6 +51,12 @@ typedef struct
UINT flags; /* EnableScrollBar flags */
} SCROLLBAR_INFO, *LPSCROLLBAR_INFO;
/* data for window that has (one or two) scroll bars */
typedef struct
{
SCROLLBAR_INFO horz;
SCROLLBAR_INFO vert;
} WINSCROLLBAR_INFO, *LPWINSCROLLBAR_INFO;
/* Minimum size of the rectangle between the arrows */
#define SCROLL_MIN_RECT 4
@ -156,26 +163,39 @@ static SCROLLBAR_INFO *SCROLL_GetInternalInfo( HWND hwnd, INT nBar, BOOL alloc )
if (!wndPtr || wndPtr == WND_OTHER_PROCESS || wndPtr == WND_DESKTOP) return NULL;
switch(nBar)
{
case SB_HORZ: infoPtr = wndPtr->pHScroll; break;
case SB_VERT: infoPtr = wndPtr->pVScroll; break;
case SB_CTL: infoPtr = (SCROLLBAR_INFO *)wndPtr->wExtra; break;
case SB_BOTH: WARN("with SB_BOTH\n"); break;
case SB_HORZ:
if (wndPtr->pScroll) infoPtr = &((LPWINSCROLLBAR_INFO)wndPtr->pScroll)->horz;
break;
case SB_VERT:
if (wndPtr->pScroll) infoPtr = &((LPWINSCROLLBAR_INFO)wndPtr->pScroll)->vert;
break;
case SB_CTL:
infoPtr = (SCROLLBAR_INFO *)wndPtr->wExtra;
break;
case SB_BOTH:
WARN("with SB_BOTH\n");
break;
}
if (!infoPtr && alloc)
{
WINSCROLLBAR_INFO *winInfoPtr;
if (nBar != SB_HORZ && nBar != SB_VERT)
WARN("Cannot initialize nBar=%d\n",nBar);
else if ((infoPtr = HeapAlloc( GetProcessHeap(), 0, sizeof(SCROLLBAR_INFO) )))
else if ((winInfoPtr = HeapAlloc( GetProcessHeap(), 0, sizeof(WINSCROLLBAR_INFO) )))
{
/* Set default values */
infoPtr->minVal = infoPtr->curVal = infoPtr->page = 0;
/* From MSDN: max for a standard scroll bar is 100 by default. */
infoPtr->maxVal = 100;
/* Scroll bar is enabled by default after create */
infoPtr->flags = ESB_ENABLE_BOTH;
if (nBar == SB_HORZ) wndPtr->pHScroll = infoPtr;
else wndPtr->pVScroll = infoPtr;
winInfoPtr->horz.minVal = 0;
winInfoPtr->horz.curVal = 0;
winInfoPtr->horz.page = 0;
/* From MSDN and our own tests:
* max for a standard scroll bar is 100 by default. */
winInfoPtr->horz.maxVal = 100;
winInfoPtr->horz.flags = ESB_ENABLE_BOTH;
winInfoPtr->vert = winInfoPtr->horz;
wndPtr->pScroll = winInfoPtr;
infoPtr = nBar == SB_HORZ ? &winInfoPtr->horz : &winInfoPtr->vert;
}
}
WIN_ReleasePtr( wndPtr );

57
dlls/user32/tests/scroll.c
View File

@ -211,6 +211,7 @@ static void scrollbar_test4(void)
static void scrollbar_test_default( DWORD style)
{
INT min, max, ret;
DWORD winstyle;
HWND hwnd;
SCROLLINFO si = { sizeof( SCROLLINFO), SIF_TRACKPOS };
@ -226,6 +227,7 @@ static void scrollbar_test_default( DWORD style)
ok( min == 0 && max == 0,
"Scroll bar range is %d,%d. Expected 0,0. Style %08x\n", min, max, style);
else
todo_wine
ok( min == 0 && max == 100,
"Scroll bar range is %d,%d. Expected 0,100. Style %08x\n", min, max, style);
ret = GetScrollRange( hwnd, SB_HORZ, &min, &max);
@ -236,6 +238,7 @@ static void scrollbar_test_default( DWORD style)
ok( min == 0 && max == 0,
"Scroll bar range is %d,%d. Expected 0,0. Style %08x\n", min, max, style);
else
todo_wine
ok( min == 0 && max == 100,
"Scroll bar range is %d,%d. Expected 0,100. Style %08x\n", min, max, style);
/* test GetScrollInfo, vist for vertical SB */
@ -244,6 +247,7 @@ static void scrollbar_test_default( DWORD style)
if( !( style & ( WS_VSCROLL | WS_HSCROLL)))
ok( !ret, "GetScrollInfo succeeded unexpectedly. Style is %08x\n", style);
else
todo_wine
ok( ret, "GetScrollInfo failed unexpectedly. Style is %08x\n", style);
/* Same for Horizontal SB */
ret = GetScrollInfo( hwnd, SB_HORZ, &si);
@ -251,6 +255,7 @@ static void scrollbar_test_default( DWORD style)
if( !( style & ( WS_VSCROLL | WS_HSCROLL)))
ok( !ret, "GetScrollInfo succeeded unexpectedly. Style is %08x\n", style);
else
todo_wine
ok( ret, "GetScrollInfo failed unexpectedly. Style is %08x\n", style);
/* now set the Vertical Scroll range to something that could be the default value it
* already has */;
@ -260,17 +265,23 @@ static void scrollbar_test_default( DWORD style)
ret = GetScrollRange( hwnd, SB_HORZ, &min, &max);
ok( ret, "GetScrollRange failed.\n");
/* now the range should be 0,100 in ALL cases */
todo_wine
ok( min == 0 && max == 100,
"Scroll bar range is %d,%d. Expected 0,100. Style %08x\n", min, max, style);
/* See what is different now for GetScrollRange */
ret = GetScrollInfo( hwnd, SB_HORZ, &si);
/* should succeed in ALL cases */
todo_wine
ok( ret, "GetScrollInfo failed unexpectedly. Style is %08x\n", style);
ret = GetScrollInfo( hwnd, SB_VERT, &si);
/* should succeed in ALL cases */
ok( ret, "GetScrollInfo failed unexpectedly. Style is %08x\n", style);
/* report the windows style */
winstyle = GetWindowLongW( hwnd, GWL_STYLE );
/* WS_VSCROLL added to the window style */
todo_wine
if( !(style & WS_VSCROLL))
ok( (winstyle & (WS_HSCROLL|WS_VSCROLL)) == ( style | WS_VSCROLL),
"unexpected style change %8lx expected %8lx\n",
(winstyle & (WS_HSCROLL|WS_VSCROLL)), style | WS_VSCROLL);
/* do the test again with H and V reversed.
* Start with a clean window */
DestroyWindow( hwnd);
@ -285,7 +296,6 @@ todo_wine
ret = GetScrollRange( hwnd, SB_VERT, &min, &max);
ok( ret, "GetScrollRange failed.\n");
/* now the range should be 0,100 in ALL cases */
todo_wine
ok( min == 0 && max == 100,
"Scroll bar range is %d,%d. Expected 0,100. Style %08x\n", min, max, style);
/* See what is different now for GetScrollRange */
@ -294,9 +304,16 @@ todo_wine
ok( ret, "GetScrollInfo failed unexpectedly. Style is %08x\n", style);
ret = GetScrollInfo( hwnd, SB_VERT, &si);
/* should succeed in ALL cases */
todo_wine
ok( ret, "GetScrollInfo failed unexpectedly. Style is %08x\n", style);
/* Slightly change the test to muse SetScrollInfo
/* report the windows style */
winstyle = GetWindowLongW( hwnd, GWL_STYLE );
/* WS_HSCROLL added to the window style */
todo_wine
if( !(style & WS_HSCROLL))
ok( (winstyle & (WS_HSCROLL|WS_VSCROLL)) == ( style | WS_HSCROLL),
"unexpected style change %8lx expected %8lx\n",
(winstyle & (WS_HSCROLL|WS_VSCROLL)), style | WS_HSCROLL);
/* Slightly change the test to use SetScrollInfo
* Start with a clean window */
DestroyWindow( hwnd);
hwnd = CreateWindowExA( 0, "static", "", WS_POPUP | style,
@ -313,7 +330,6 @@ todo_wine
ret = GetScrollRange( hwnd, SB_VERT, &min, &max);
ok( ret, "GetScrollRange failed.\n");
/* now the range should be 0,100 in ALL cases */
todo_wine
ok( min == 0 && max == 100,
"Scroll bar range is %d,%d. Expected 0,100. Style %08x\n", min, max, style);
/* See what is different now for GetScrollRange */
@ -322,9 +338,31 @@ todo_wine
ok( ret, "GetScrollInfo failed unexpectedly. Style is %08x\n", style);
ret = GetScrollInfo( hwnd, SB_VERT, &si);
/* should succeed in ALL cases */
todo_wine
ok( ret, "GetScrollInfo failed unexpectedly. Style is %08x\n", style);
/* clean up */
/* also test if the window scroll bars are enabled */
ret = EnableScrollBar( hwnd, SB_VERT, ESB_ENABLE_BOTH);
ok( !ret, "Vertical window scroll bar was not enabled\n");
ret = EnableScrollBar( hwnd, SB_HORZ, ESB_ENABLE_BOTH);
ok( !ret, "Horizontal window scroll bar was not enabled\n");
DestroyWindow( hwnd);
/* finally, check if adding a WS_[HV]SColl style of a window makes the scroll info
* available */
if( style & (WS_HSCROLL | WS_VSCROLL)) return;/* only test if not yet set */
/* Start with a clean window */
DestroyWindow( hwnd);
hwnd = CreateWindowExA( 0, "static", "", WS_POPUP ,
0, 0, 10, 10, 0, 0, 0, NULL);
assert( hwnd != 0);
ret = GetScrollInfo( hwnd, SB_VERT, &si);
/* should fail */
ok( !ret, "GetScrollInfo succeeded unexpectedly. Style is %08x\n", style);
/* add scroll styles */
winstyle = GetWindowLongW( hwnd, GWL_STYLE );
SetWindowLongW( hwnd, GWL_STYLE, winstyle | WS_VSCROLL | WS_HSCROLL);
ret = GetScrollInfo( hwnd, SB_VERT, &si);
/* should still fail */
ok( !ret, "GetScrollInfo succeeded unexpectedly. Style is %08x\n", style);
/* clean up */
DestroyWindow( hwnd);
}
@ -359,11 +397,10 @@ START_TEST ( scroll )
scrollbar_test4();
scrollbar_test_default( 0);
if( 0) { /* enable this when the todo's in scrollbar_test_default are fixed */
scrollbar_test_default( WS_HSCROLL);
scrollbar_test_default( WS_VSCROLL);
scrollbar_test_default( WS_HSCROLL | WS_VSCROLL);
}
DestroyWindow(hScroll);
DestroyWindow(hMainWnd);
}

3
dlls/user32/win.c
View File

@ -1073,8 +1073,7 @@ static HWND WIN_CreateWindowEx( CREATESTRUCTA *cs, LPCWSTR className, UINT flags
wndPtr->dwExStyle = cs->dwExStyle;
wndPtr->wIDmenu = 0;
wndPtr->helpContext = 0;
wndPtr->pVScroll = NULL;
wndPtr->pHScroll = NULL;
wndPtr->pScroll = NULL;
wndPtr->userdata = 0;
wndPtr->hIcon = 0;
wndPtr->hIconSmall = 0;

3
dlls/user32/win.h
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@ -51,8 +51,7 @@ typedef struct tagWND
POINT max_pos; /* Position for maximized window */
HWND icon_title; /* Icon title window */
LPWSTR text; /* Window text */
void *pVScroll; /* Vertical scroll-bar info */
void *pHScroll; /* Horizontal scroll-bar info */
void *pScroll; /* Scroll-bar info */
DWORD dwStyle; /* Window style (from CreateWindow) */
DWORD dwExStyle; /* Extended style (from CreateWindowEx) */
UINT_PTR wIDmenu; /* ID or hmenu (from CreateWindow) */