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Oops, back to hard coding initial thumb size until we figure out how 

it really should work.
Fix the channel size/selection range for the TBS_ENABLESELRANGE
style.
One pixel tweaks in several spots.
This commit is contained in:
Duane Clark 2003-08-06 22:05:11 +00:00 committed by Alexandre Julliard
parent cae7755a70
commit 0d5aae1a0d
1 changed files with 35 additions and 28 deletions
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63
dlls/comctl32/trackbar.c
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@ -143,12 +143,12 @@ TRACKBAR_ConvertPlaceToPosition (TRACKBAR_INFO *infoPtr, int place,
range = infoPtr->lRangeMax - infoPtr->lRangeMin;
if (vertical) {
offsetthumb = (infoPtr->rcThumb.bottom - infoPtr->rcThumb.top)/2 + 1;
width = infoPtr->rcChannel.bottom - infoPtr->rcChannel.top - (offsetthumb * 2);
offsetthumb = (infoPtr->rcThumb.bottom - infoPtr->rcThumb.top)/2;
width = infoPtr->rcChannel.bottom - infoPtr->rcChannel.top - (offsetthumb * 2) - 1;
pos = (range*(place - infoPtr->rcChannel.top - offsetthumb)) / width;
} else {
offsetthumb = (infoPtr->rcThumb.right - infoPtr->rcThumb.left)/2 + 1;
width = infoPtr->rcChannel.right - infoPtr->rcChannel.left - (offsetthumb * 2);
offsetthumb = (infoPtr->rcThumb.right - infoPtr->rcThumb.left)/2;
width = infoPtr->rcChannel.right - infoPtr->rcChannel.left - (offsetthumb * 2) - 1;
pos = (range*(place - infoPtr->rcChannel.left - offsetthumb)) / width;
}
pos += infoPtr->lRangeMin;
@ -228,11 +228,14 @@ TRACKBAR_CalcChannel (TRACKBAR_INFO *infoPtr)
offsetthumb = infoPtr->uThumbLen / 4;
offsetedge = offsetthumb + 3;
cyChannel = (dwStyle & TBS_ENABLESELRANGE) ? (offsetthumb+1)*3 : 4;
cyChannel = (dwStyle & TBS_ENABLESELRANGE) ? offsetthumb*3 : 4;
if (dwStyle & TBS_VERT) {
channel->top = lpRect.top + offsetedge;
channel->bottom = lpRect.bottom - offsetedge;
channel->left = lpRect.left + (infoPtr->uThumbLen / 2) - 1;
if (dwStyle & TBS_ENABLESELRANGE)
channel->left = lpRect.left + ((infoPtr->uThumbLen - cyChannel + 2) / 2);
else
channel->left = lpRect.left + (infoPtr->uThumbLen / 2) - 1;
if (dwStyle & TBS_BOTH) {
if (dwStyle & TBS_NOTICKS)
channel->left += 1;
@ -249,7 +252,10 @@ TRACKBAR_CalcChannel (TRACKBAR_INFO *infoPtr)
} else {
channel->left = lpRect.left + offsetedge;
channel->right = lpRect.right - offsetedge;
channel->top = lpRect.top + (infoPtr->uThumbLen / 2) - 1;
if (dwStyle & TBS_ENABLESELRANGE)
channel->top = lpRect.top + ((infoPtr->uThumbLen - cyChannel + 2) / 2);
else
channel->top = lpRect.top + (infoPtr->uThumbLen / 2) - 1;
if (dwStyle & TBS_BOTH) {
if (dwStyle & TBS_NOTICKS)
channel->top += 1;
@ -281,7 +287,7 @@ TRACKBAR_CalcThumb (TRACKBAR_INFO *infoPtr, LONG lPos, RECT *thumb)
GetClientRect(infoPtr->hwndSelf, &lpRect);
if (dwStyle & TBS_VERT)
{
height = infoPtr->rcChannel.bottom - infoPtr->rcChannel.top - thumbwidth - 1;
height = infoPtr->rcChannel.bottom - infoPtr->rcChannel.top - thumbwidth;
if ((dwStyle & (TBS_BOTH | TBS_LEFT)) && !(dwStyle & TBS_NOTICKS))
thumb->left = 10;
@ -294,7 +300,7 @@ TRACKBAR_CalcThumb (TRACKBAR_INFO *infoPtr, LONG lPos, RECT *thumb)
}
else
{
width = infoPtr->rcChannel.right - infoPtr->rcChannel.left - thumbwidth - 1;
width = infoPtr->rcChannel.right - infoPtr->rcChannel.left - thumbwidth;
thumb->left = infoPtr->rcChannel.left +
(width*(lPos - infoPtr->lRangeMin))/range;
@ -348,23 +354,26 @@ TRACKBAR_CalcSelection (TRACKBAR_INFO *infoPtr)
{
RECT *selection = &infoPtr->rcSelection;
int range = infoPtr->lRangeMax - infoPtr->lRangeMin;
int offsetthumb, height, width;
if (range <= 0) {
SetRectEmpty (selection);
} else {
if (GetWindowLongW (infoPtr->hwndSelf, GWL_STYLE) & TBS_VERT) {
int height = infoPtr->rcChannel.right - infoPtr->rcChannel.left;
selection->top = infoPtr->rcChannel.top +
offsetthumb = (infoPtr->rcThumb.bottom - infoPtr->rcThumb.top)/2;
height = infoPtr->rcChannel.bottom - infoPtr->rcChannel.top - offsetthumb*2;
selection->top = infoPtr->rcChannel.top + offsetthumb +
(height*infoPtr->lSelMin)/range;
selection->bottom = infoPtr->rcChannel.top +
selection->bottom = infoPtr->rcChannel.top + offsetthumb +
(height*infoPtr->lSelMax)/range;
selection->left = infoPtr->rcChannel.left + 3;
selection->right = infoPtr->rcChannel.right - 3;
} else {
int width = infoPtr->rcChannel.right - infoPtr->rcChannel.left;
selection->left = infoPtr->rcChannel.left +
offsetthumb = (infoPtr->rcThumb.right - infoPtr->rcThumb.left)/2;
width = infoPtr->rcChannel.right - infoPtr->rcChannel.left - offsetthumb*2;
selection->left = infoPtr->rcChannel.left + offsetthumb +
(width*infoPtr->lSelMin)/range;
selection->right = infoPtr->rcChannel.left +
selection->right = infoPtr->rcChannel.left + offsetthumb +
(width*infoPtr->lSelMax)/range;
selection->top = infoPtr->rcChannel.top + 3;
selection->bottom = infoPtr->rcChannel.bottom - 3;
@ -418,14 +427,14 @@ TRACKBAR_DrawOneTic (TRACKBAR_INFO *infoPtr, HDC hdc, LONG ticPos, int flags)
RECT rcTics;
if (flags & TBS_VERT) {
offsetthumb = (infoPtr->rcThumb.bottom - infoPtr->rcThumb.top)/2 + 1;
offsetthumb = (infoPtr->rcThumb.bottom - infoPtr->rcThumb.top)/2;
rcTics.left = infoPtr->rcThumb.left - 2;
rcTics.right = infoPtr->rcThumb.right + 2;
rcTics.top = infoPtr->rcChannel.top + offsetthumb;
rcTics.top = infoPtr->rcChannel.top + offsetthumb + 1;
rcTics.bottom = infoPtr->rcChannel.bottom - offsetthumb;
} else {
offsetthumb = (infoPtr->rcThumb.right - infoPtr->rcThumb.left)/2 + 1;
rcTics.left = infoPtr->rcChannel.left + offsetthumb;
offsetthumb = (infoPtr->rcThumb.right - infoPtr->rcThumb.left)/2;
rcTics.left = infoPtr->rcChannel.left + offsetthumb + 1;
rcTics.right = infoPtr->rcChannel.right - offsetthumb;
rcTics.top = infoPtr->rcThumb.top - 2;
rcTics.bottom = infoPtr->rcThumb.bottom + 2;
@ -454,13 +463,9 @@ TRACKBAR_DrawOneTic (TRACKBAR_INFO *infoPtr, HDC hdc, LONG ticPos, int flags)
if (flags & TBS_VERT) {
int height = rcTics.bottom - rcTics.top;
y = rcTics.top + (height*(ticPos - infoPtr->lRangeMin))/range;
/* x -= (offset + 2) * side;
y += indent;*/
} else {
int width = rcTics.right - rcTics.left;
x = rcTics.left + (width*(ticPos - infoPtr->lRangeMin))/range;
/* x += indent;
y -= (offset + 2) * side;*/
}
ox = x;
@ -960,6 +965,7 @@ static LONG inline
TRACKBAR_GetTicPos (TRACKBAR_INFO *infoPtr, INT iTic)
{
LONG range, width, pos, tic;
int offsetthumb;
if ((iTic < 0) || (iTic >= infoPtr->uNumTics) || !infoPtr->tics)
return -1;
@ -967,8 +973,9 @@ TRACKBAR_GetTicPos (TRACKBAR_INFO *infoPtr, INT iTic)
tic = TRACKBAR_GetTic (infoPtr, iTic);
range = infoPtr->lRangeMax - infoPtr->lRangeMin;
if (range <= 0) range = 1;
width = infoPtr->rcChannel.right - infoPtr->rcChannel.left;
pos = infoPtr->rcChannel.left + (width * tic) / range;
offsetthumb = (infoPtr->rcThumb.right - infoPtr->rcThumb.left)/2;
width = infoPtr->rcChannel.right - infoPtr->rcChannel.left - offsetthumb*2;
pos = infoPtr->rcChannel.left + offsetthumb + (width * tic) / range;
return pos;
}
@ -1247,15 +1254,15 @@ TRACKBAR_InitializeThumb (TRACKBAR_INFO *infoPtr)
int clientWidth, clientMetric;
/* initial thumb length */
clientMetric = GetSystemMetrics(SM_CYCAPTION);
clientMetric = (dwStyle & TBS_ENABLESELRANGE) ? 23 : 21;
GetClientRect(infoPtr->hwndSelf,&rect);
if (dwStyle & TBS_VERT) {
clientWidth = rect.right - rect.left;
} else {
clientWidth = rect.bottom - rect.top;
}
if (clientWidth > clientMetric)
infoPtr->uThumbLen = clientMetric + 1;
if (clientWidth >= clientMetric)
infoPtr->uThumbLen = clientMetric;
else
infoPtr->uThumbLen = clientWidth > 9 ? clientWidth - 6 : 4;