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- Implement autopaging. 

- Remove incorrect FIXMEs.
- Small cleanups.
This commit is contained in:
Dimitrie O. Paun 2002-09-11 00:47:32 +00:00 committed by Alexandre Julliard
parent 70b2f44a47
commit c1e3cb8d5b
1 changed files with 129 additions and 83 deletions
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212
dlls/comctl32/trackbar.c
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@ -20,8 +20,6 @@
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* TODO:
* - implement autorepeat for paging
* - possition buddy controls
* - custom draw notifications
*/
@ -65,8 +63,8 @@ typedef struct
DEFINE_COMMON_NOTIFICATIONS(TRACKBAR_INFO, hwndSelf);
/* #define TB_REFRESH_TIMER 1 */
/* #define TB_REFRESH_DELAY 1 */
#define TB_REFRESH_TIMER 1
#define TB_REFRESH_DELAY 500
#define TOOLTIP_OFFSET 15 /* distance from thumb to tooltip */
@ -78,6 +76,9 @@ DEFINE_COMMON_NOTIFICATIONS(TRACKBAR_INFO, hwndSelf);
#define TB_THUMBCHANGED (TB_THUMBPOSCHANGED | TB_THUMBSIZECHANGED)
#define TB_SELECTIONCHANGED 4
#define TB_DRAG_MODE 8 /* we're dragging the slider */
#define TB_AUTO_PAGE_LEFT 16
#define TB_AUTO_PAGE_RIGHT 32
#define TB_AUTO_PAGE (TB_AUTO_PAGE_LEFT | TB_AUTO_PAGE_RIGHT)
/* helper defines for TRACKBAR_DrawTic */
#define TIC_EDGE 0x20
@ -120,19 +121,19 @@ static void TRACKBAR_RecalculateTics (TRACKBAR_INFO *infoPtr)
/* converts from physical (mouse) position to logical position
(in range of trackbar) */
static inline double
static inline LONG
TRACKBAR_ConvertPlaceToPosition (TRACKBAR_INFO *infoPtr, int place,
int vertical)
{
double range, width, pos;
range=infoPtr->lRangeMax - infoPtr->lRangeMin;
range = infoPtr->lRangeMax - infoPtr->lRangeMin;
if (vertical) {
width=infoPtr->rcChannel.bottom - infoPtr->rcChannel.top;
pos=(range*(place - infoPtr->rcChannel.top)) / width;
width = infoPtr->rcChannel.bottom - infoPtr->rcChannel.top;
pos = (range*(place - infoPtr->rcChannel.top)) / width;
} else {
width=infoPtr->rcChannel.right - infoPtr->rcChannel.left;
pos=(range*(place - infoPtr->rcChannel.left)) / width;
width = infoPtr->rcChannel.right - infoPtr->rcChannel.left;
pos = (range*(place - infoPtr->rcChannel.left)) / width;
}
pos += infoPtr->lRangeMin;
if (pos > infoPtr->lRangeMax)
@ -141,10 +142,65 @@ TRACKBAR_ConvertPlaceToPosition (TRACKBAR_INFO *infoPtr, int place,
pos = infoPtr->lRangeMin;
TRACE("%.2f\n", pos);
return pos;
return (LONG)(pos + 0.5);
}
/* return: 0> prev, 0 none, >0 next */
static LONG
TRACKBAR_GetAutoPageDirection (TRACKBAR_INFO *infoPtr, POINT clickPoint)
{
DWORD dwStyle = GetWindowLongW (infoPtr->hwndSelf, GWL_STYLE);
RECT pageRect;
if (dwStyle & TBS_VERT) {
pageRect.top = infoPtr->rcChannel.top;
pageRect.bottom = infoPtr->rcChannel.bottom;
pageRect.left = infoPtr->rcThumb.left;
pageRect.right = infoPtr->rcThumb.right;
} else {
pageRect.top = infoPtr->rcThumb.top;
pageRect.bottom = infoPtr->rcThumb.bottom;
pageRect.left = infoPtr->rcChannel.left;
pageRect.right = infoPtr->rcChannel.right;
}
if (PtInRect(&pageRect, clickPoint))
{
int clickPlace = (dwStyle & TBS_VERT) ? clickPoint.y : clickPoint.x;
LONG clickPos = TRACKBAR_ConvertPlaceToPosition(infoPtr, clickPlace,
dwStyle & TBS_VERT);
return clickPos - infoPtr->lPos;
}
return 0;
}
static void inline
TRACKBAR_PageUp (TRACKBAR_INFO *infoPtr)
{
if (infoPtr->lPos == infoPtr->lRangeMax) return;
infoPtr->lPos += infoPtr->lPageSize;
if (infoPtr->lPos > infoPtr->lRangeMax)
infoPtr->lPos = infoPtr->lRangeMax;
TRACKBAR_SendNotify (infoPtr, TB_PAGEUP);
}
static void inline
TRACKBAR_PageDown (TRACKBAR_INFO *infoPtr)
{
if (infoPtr->lPos == infoPtr->lRangeMin) return;
infoPtr->lPos -= infoPtr->lPageSize;
if (infoPtr->lPos < infoPtr->lRangeMin)
infoPtr->lPos = infoPtr->lRangeMin;
TRACKBAR_SendNotify (infoPtr, TB_PAGEDOWN);
}
static void
TRACKBAR_CalcChannel (TRACKBAR_INFO *infoPtr)
{
@ -272,6 +328,26 @@ TRACKBAR_CalcSelection (TRACKBAR_INFO *infoPtr)
selection->left, selection->top, selection->right, selection->bottom);
}
static BOOL
TRACKBAR_AutoPage (TRACKBAR_INFO *infoPtr, POINT clickPoint)
{
LONG dir = TRACKBAR_GetAutoPageDirection(infoPtr, clickPoint);
LONG prevPos = infoPtr->lPos;
TRACE("x=%ld, y=%ld, dir=%ld\n", clickPoint.x, clickPoint.y, dir);
if (dir > 0 && (infoPtr->flags & TB_AUTO_PAGE_RIGHT))
TRACKBAR_PageUp(infoPtr);
else if (dir < 0 && (infoPtr->flags & TB_AUTO_PAGE_LEFT))
TRACKBAR_PageDown(infoPtr);
else return FALSE;
infoPtr->flags |= TB_THUMBPOSCHANGED;
TRACKBAR_InvalidateThumbMove (infoPtr, prevPos, infoPtr->lPos);
return TRUE;
}
/* Trackbar drawing code. I like my spaghetti done milanese. */
/* ticPos is in tic-units, not in pixels */
@ -376,7 +452,7 @@ TRACKBAR_DrawThumb(TRACKBAR_INFO *infoPtr, HDC hdc, DWORD dwStyle)
static INT PointDepth = 4;
oldbr = SelectObject (hdc, hbr);
SetPolyFillMode (hdc,WINDING);
SetPolyFillMode (hdc, WINDING);
if (dwStyle & TBS_BOTH)
{
@ -489,7 +565,7 @@ TRACKBAR_DrawThumb(TRACKBAR_INFO *infoPtr, HDC hdc, DWORD dwStyle)
/*
* White Part
*/
Polyline(hdc,&points[BlackUntil-1],PointCount+1-BlackUntil);
Polyline(hdc, &points[BlackUntil-1], PointCount+1-BlackUntil);
/*
* restore the brush and pen
@ -772,15 +848,11 @@ TRACKBAR_SetBuddy (TRACKBAR_INFO *infoPtr, BOOL fLocation, HWND hwndBuddy)
/* buddy is left or above */
hwndTemp = infoPtr->hwndBuddyLA;
infoPtr->hwndBuddyLA = hwndBuddy;
FIXME("move buddy!\n");
}
else {
/* buddy is right or below */
hwndTemp = infoPtr->hwndBuddyRB;
infoPtr->hwndBuddyRB = hwndBuddy;
FIXME("move buddy!\n");
}
TRACKBAR_AlignBuddies (infoPtr);
@ -1158,66 +1230,25 @@ TRACKBAR_KillFocus (TRACKBAR_INFO *infoPtr, HWND hwndGetFocus)
return 0;
}
static LRESULT
TRACKBAR_LButtonDown (TRACKBAR_INFO *infoPtr, DWORD fwKeys, POINTS pts)
{
DWORD dwStyle = GetWindowLongW (infoPtr->hwndSelf, GWL_STYLE);
POINT clickPoint = { pts.x, pts.y };
RECT pageRect;
SetFocus(infoPtr->hwndSelf);
if (PtInRect(&infoPtr->rcThumb, clickPoint))
{
if (PtInRect(&infoPtr->rcThumb, clickPoint)) {
infoPtr->flags |= TB_DRAG_MODE;
SetCapture (infoPtr->hwndSelf);
TRACKBAR_UpdateToolTip (infoPtr);
TRACKBAR_ActivateToolTip (infoPtr, TRUE);
return 0;
}
if (dwStyle & TBS_VERT) {
pageRect.top = infoPtr->rcChannel.top;
pageRect.bottom = infoPtr->rcChannel.bottom;
pageRect.left = infoPtr->rcThumb.left;
pageRect.right = infoPtr->rcThumb.right;
} else {
pageRect.top = infoPtr->rcThumb.top;
pageRect.bottom = infoPtr->rcThumb.bottom;
pageRect.left = infoPtr->rcChannel.left;
pageRect.right = infoPtr->rcChannel.right;
}
if (PtInRect(&pageRect, clickPoint))
{
int clickPlace, prevPos;
DOUBLE clickPos;
clickPlace = (dwStyle & TBS_VERT) ? pts.x : pts.y;
clickPos = TRACKBAR_ConvertPlaceToPosition(infoPtr, clickPlace,
dwStyle & TBS_VERT);
prevPos = infoPtr->lPos;
if (clickPos > (int)prevPos)
{ /* similar to VK_NEXT */
infoPtr->lPos += infoPtr->lPageSize;
if (infoPtr->lPos > infoPtr->lRangeMax)
infoPtr->lPos = infoPtr->lRangeMax;
TRACKBAR_SendNotify (infoPtr, TB_PAGEUP);
}
else
{
infoPtr->lPos -= infoPtr->lPageSize; /* similar to VK_PRIOR */
if (infoPtr->lPos < infoPtr->lRangeMin)
infoPtr->lPos = infoPtr->lRangeMin;
TRACKBAR_SendNotify (infoPtr, TB_PAGEDOWN);
}
if (prevPos != infoPtr->lPos) {
infoPtr->flags |= TB_THUMBPOSCHANGED;
TRACKBAR_InvalidateThumbMove (infoPtr, prevPos, infoPtr->lPos);
}
LONG dir = TRACKBAR_GetAutoPageDirection(infoPtr, clickPoint);
if (dir == 0) return 0;
infoPtr->flags |= (dir < 0) ? TB_AUTO_PAGE_LEFT : TB_AUTO_PAGE_RIGHT;
TRACKBAR_AutoPage (infoPtr, clickPoint);
SetCapture (infoPtr->hwndSelf);
SetTimer(infoPtr->hwndSelf, TB_REFRESH_TIMER, TB_REFRESH_DELAY, 0);
}
return 0;
@ -1227,16 +1258,19 @@ TRACKBAR_LButtonDown (TRACKBAR_INFO *infoPtr, DWORD fwKeys, POINTS pts)
static LRESULT
TRACKBAR_LButtonUp (TRACKBAR_INFO *infoPtr, DWORD fwKeys, POINTS pts)
{
TRACKBAR_SendNotify (infoPtr, TB_ENDTRACK);
if (infoPtr->flags & TB_DRAG_MODE)
{
if (infoPtr->flags & TB_DRAG_MODE) {
TRACKBAR_SendNotify (infoPtr, TB_ENDTRACK);
infoPtr->flags &= ~TB_DRAG_MODE;
ReleaseCapture ();
notify_releasedcapture(infoPtr);
TRACKBAR_ActivateToolTip(infoPtr, FALSE);
}
if (infoPtr->flags & TB_AUTO_PAGE) {
KillTimer (infoPtr->hwndSelf, TB_REFRESH_TIMER);
infoPtr->flags &= ~TB_AUTO_PAGE;
ReleaseCapture ();
notify_releasedcapture(infoPtr);
}
TRACKBAR_ActivateToolTip(infoPtr, FALSE);
return 0;
}
@ -1287,6 +1321,19 @@ TRACKBAR_Size (TRACKBAR_INFO *infoPtr, DWORD fwSizeType, INT nWidth, INT nHeight
}
static LRESULT
TRACKBAR_Timer (TRACKBAR_INFO *infoPtr, INT wTimerID, TIMERPROC *tmrpc)
{
if (infoPtr->flags & TB_AUTO_PAGE) {
POINT pt;
if (GetCursorPos(&pt))
if (ScreenToClient(infoPtr->hwndSelf, &pt))
TRACKBAR_AutoPage(infoPtr, pt);
}
return 0;
}
static BOOL
TRACKBAR_SendNotify (TRACKBAR_INFO *infoPtr, UINT code)
{
@ -1309,8 +1356,14 @@ TRACKBAR_MouseMove (TRACKBAR_INFO *infoPtr, DWORD fwKeys, POINTS pts)
TRACE("(x=%d. y=%d)\n", pts.x, pts.y);
if (!(infoPtr->flags & TB_DRAG_MODE))
if (infoPtr->flags & TB_AUTO_PAGE) {
POINT pt;
POINTSTOPOINT(pt, pts);
TRACKBAR_AutoPage (infoPtr, pt);
return TRUE;
}
if (!(infoPtr->flags & TB_DRAG_MODE)) return TRUE;
dragPos = TRACKBAR_ConvertPlaceToPosition (infoPtr, clickPlace,
dwStyle & TBS_VERT);
@ -1363,20 +1416,12 @@ TRACKBAR_KeyDown (TRACKBAR_INFO *infoPtr, INT nVirtKey, DWORD lKeyData)
case VK_NEXT:
if (downIsLeft) goto page_left;
page_right:
if (infoPtr->lPos == infoPtr->lRangeMax) return FALSE;
infoPtr->lPos += infoPtr->lPageSize;
if (infoPtr->lPos > infoPtr->lRangeMax)
infoPtr->lPos = infoPtr->lRangeMax;
TRACKBAR_SendNotify (infoPtr, TB_PAGEUP);
TRACKBAR_PageUp(infoPtr);
break;
case VK_PRIOR:
if (downIsLeft) goto page_right;
page_left:
if (infoPtr->lPos == infoPtr->lRangeMin) return FALSE;
infoPtr->lPos -= infoPtr->lPageSize;
if (infoPtr->lPos < infoPtr->lRangeMin)
infoPtr->lPos = infoPtr->lRangeMin;
TRACKBAR_SendNotify (infoPtr, TB_PAGEDOWN);
TRACKBAR_PageDown(infoPtr);
break;
case VK_HOME:
if (infoPtr->lPos == infoPtr->lRangeMin) return FALSE;
@ -1579,7 +1624,8 @@ TRACKBAR_WindowProc (HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
case WM_SIZE:
return TRACKBAR_Size (infoPtr, wParam, LOWORD(lParam), HIWORD(lParam));
/* case WM_TIMER: */
case WM_TIMER:
return TRACKBAR_Timer (infoPtr, (INT)wParam, (TIMERPROC *)lParam);
case WM_WININICHANGE:
return TRACKBAR_InitializeThumb (infoPtr);