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Sweden-Number/dlls/comctl32/trackbar.c

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/*
* Trackbar control
*
* Copyright 1998, 1999 Eric Kohl <ekohl@abo.rhein-zeitung.de>
* Copyright 1998,1999 Alex Priem <alexp@sci.kun.nl>
*
*
* TODO:
* - Some messages.
* - more display code.
* - handle dragging slider better
* - better tic handling.
* - more notifications.
*
*/
/* known bugs:
-TBM_SETRANGEMAX & TBM_SETRANGEMIN should only change the view of the
trackbar, not the actual amount of tics in the list.
-TBM_GETTIC & TBM_GETTICPOS shouldn't rely on infoPtr->tics being sorted.
- Make drawing code exact match of w95 drawing.
*/
#include "winbase.h"
#include "commctrl.h"
#include "trackbar.h"
#include "debug.h"
#define TRACKBAR_GetInfoPtr(wndPtr) ((TRACKBAR_INFO *)GetWindowLongA (hwnd,0))
/* Used by TRACKBAR_Refresh to find out which parts of the control
need to be recalculated */
#define TB_THUMBPOSCHANGED 1
#define TB_THUMBSIZECHANGED 2
#define TB_THUMBCHANGED (TB_THUMBPOSCHANGED | TB_THUMBPOSCHANGED)
#define TB_SELECTIONCHANGED 4
#define TB_DRAG_MODE 16 /* we're dragging the slider */
#define TB_DRAGPOSVALID 32 /* current Position is in dragPos */
#define TB_SHOW_TOOLTIP 64 /* tooltip-style enabled and tooltip on */
#define TB_REFRESH_TIMER_SET 128 /* is a TRACBKAR_Refresh queued?*/
/* helper defines for TRACKBAR_DrawTic */
#define TIC_LEFTEDGE 0x20
#define TIC_RIGHTEDGE 0x40
#define TIC_EDGE (TIC_LEFTEDGE | TIC_RIGHTEDGE)
#define TIC_SELECTIONMARKMAX 0x80
#define TIC_SELECTIONMARKMIN 0x100
#define TIC_SELECTIONMARK (TIC_SELECTIONMARKMAX | TIC_SELECTIONMARKMIN)
static BOOL TRACKBAR_SendNotify (HWND hwnd, UINT code);
void TRACKBAR_RecalculateTics (TRACKBAR_INFO *infoPtr)
{
int i,tic,nrTics;
if (infoPtr->uTicFreq)
nrTics=(infoPtr->nRangeMax - infoPtr->nRangeMin)/infoPtr->uTicFreq;
else {
nrTics=0;
COMCTL32_Free (infoPtr->tics);
infoPtr->tics=NULL;
infoPtr->uNumTics=0;
return;
}
if (nrTics!=infoPtr->uNumTics) {
infoPtr->tics=COMCTL32_ReAlloc (infoPtr->tics, (nrTics+1)*sizeof (DWORD));
infoPtr->uNumTics=nrTics;
}
infoPtr->uNumTics=nrTics;
tic=infoPtr->nRangeMin+infoPtr->uTicFreq;
for (i=0; i<nrTics; i++,tic+=infoPtr->uTicFreq)
infoPtr->tics[i]=tic;
}
/* converts from physical (mouse) position to logical position
(in range of trackbar) */
static inline INT
TRACKBAR_ConvertPlaceToPosition (TRACKBAR_INFO *infoPtr, int place,
int vertical)
{
double range,width,pos;
range=infoPtr->nRangeMax - infoPtr->nRangeMin;
if (vertical) {
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;
}
TRACE (trackbar,"%.2f\n",pos);
return pos;
}
static VOID
TRACKBAR_CalcChannel (HWND hwnd, TRACKBAR_INFO *infoPtr)
{
DWORD dwStyle = GetWindowLongA (hwnd, GWL_STYLE);
INT cyChannel;
RECT lpRect,*channel = & infoPtr->rcChannel;
GetClientRect (hwnd, &lpRect);
if (dwStyle & TBS_ENABLESELRANGE)
cyChannel = MAX(infoPtr->uThumbLen - 8, 4);
else
cyChannel = 4;
if (dwStyle & TBS_VERT) {
channel->top = lpRect.top + 8;
channel->bottom = lpRect.bottom - 8;
if (dwStyle & TBS_BOTH) {
channel->left = (lpRect.right - cyChannel) / 2;
channel->right = (lpRect.right + cyChannel) / 2;
}
else if (dwStyle & TBS_LEFT) {
channel->left = lpRect.left + 10;
channel->right = channel->left + cyChannel;
}
else { /* TBS_RIGHT */
channel->right = lpRect.right - 10;
channel->left = channel->right - cyChannel;
}
}
else {
channel->left = lpRect.left + 8;
channel->right = lpRect.right - 8;
if (dwStyle & TBS_BOTH) {
channel->top = (lpRect.bottom - cyChannel) / 2;
channel->bottom = (lpRect.bottom + cyChannel) / 2;
}
else if (dwStyle & TBS_TOP) {
channel->top = lpRect.top + 10;
channel->bottom = channel->top + cyChannel;
}
else { /* TBS_BOTTOM */
channel->bottom = lpRect.bottom - 10;
channel->top = channel->bottom - cyChannel;
}
}
}
static VOID
TRACKBAR_CalcThumb (HWND hwnd, TRACKBAR_INFO *infoPtr)
{
RECT *thumb;
int range, width;
thumb=&infoPtr->rcThumb;
range=infoPtr->nRangeMax - infoPtr->nRangeMin;
if (GetWindowLongA (hwnd, GWL_STYLE) & TBS_VERT) {
width=infoPtr->rcChannel.bottom - infoPtr->rcChannel.top;
thumb->left = infoPtr->rcChannel.left - 1;
thumb->right = infoPtr->rcChannel.left + infoPtr->uThumbLen - 8;
thumb->top = infoPtr->rcChannel.top +
(width*infoPtr->nPos)/range - 5;
thumb->bottom = thumb->top + infoPtr->uThumbLen/3;
} else {
width=infoPtr->rcChannel.right - infoPtr->rcChannel.left;
thumb->left = infoPtr->rcChannel.left +
(width*infoPtr->nPos)/range - 5;
thumb->right = thumb->left + infoPtr->uThumbLen/3;
thumb->top = infoPtr->rcChannel.top - 1;
thumb->bottom = infoPtr->rcChannel.top + infoPtr->uThumbLen - 8;
}
}
static VOID
TRACKBAR_CalcSelection (HWND hwnd, TRACKBAR_INFO *infoPtr)
{
RECT *selection;
int range, width;
selection= & infoPtr->rcSelection;
range=infoPtr->nRangeMax - infoPtr->nRangeMin;
width=infoPtr->rcChannel.right - infoPtr->rcChannel.left;
if (range <= 0)
SetRectEmpty (selection);
else
if (GetWindowLongA (hwnd, GWL_STYLE) & TBS_VERT) {
selection->left = infoPtr->rcChannel.left +
(width*infoPtr->nSelMin)/range;
selection->right = infoPtr->rcChannel.left +
(width*infoPtr->nSelMax)/range;
selection->top = infoPtr->rcChannel.top + 2;
selection->bottom = infoPtr->rcChannel.bottom - 2;
} else {
selection->top = infoPtr->rcChannel.top +
(width*infoPtr->nSelMin)/range;
selection->bottom = infoPtr->rcChannel.top +
(width*infoPtr->nSelMax)/range;
selection->left = infoPtr->rcChannel.left + 2;
selection->right = infoPtr->rcChannel.right - 2;
}
}
static void
TRACKBAR_QueueRefresh (HWND hwnd)
{
TRACKBAR_INFO *infoPtr = TRACKBAR_GetInfoPtr (hwnd);
TRACE (trackbar,"queued\n");
if (infoPtr->flags & TB_REFRESH_TIMER_SET) {
KillTimer (hwnd, TB_REFRESH_TIMER);
}
SetTimer (hwnd, TB_REFRESH_TIMER, TB_REFRESH_DELAY, 0);
infoPtr->flags|=TB_REFRESH_TIMER_SET;
}
/* Trackbar drawing code. I like my spaghetti done milanese. */
/* ticPos is in tic-units, not in pixels */
static VOID
TRACKBAR_DrawHorizTic (TRACKBAR_INFO *infoPtr, HDC hdc, LONG ticPos,
int flags, COLORREF clrTic)
{
RECT rcChannel=infoPtr->rcChannel;
int x,y,width,range,side;
range=infoPtr->nRangeMax - infoPtr->nRangeMin;
width=rcChannel.right - rcChannel.left;
if (flags & TBS_TOP) {
y=rcChannel.top-2;
side=-1;
} else {
y=rcChannel.bottom+2;
side=1;
}
if (flags & TIC_SELECTIONMARK) {
if (flags & TIC_SELECTIONMARKMIN)
x=rcChannel.left + (width*ticPos)/range - 1;
else
x=rcChannel.left + (width*ticPos)/range + 1;
SetPixel (hdc, x,y+6*side, clrTic);
SetPixel (hdc, x,y+7*side, clrTic);
return;
}
if ((ticPos>infoPtr->nRangeMin) && (ticPos<infoPtr->nRangeMax)) {
x=rcChannel.left + (width*ticPos)/range;
SetPixel (hdc, x,y+5*side, clrTic);
SetPixel (hdc, x,y+6*side, clrTic);
SetPixel (hdc, x,y+7*side, clrTic);
}
if (flags & TIC_EDGE) {
if (flags & TIC_LEFTEDGE)
x=rcChannel.left;
else
x=rcChannel.right;
SetPixel (hdc, x,y+5*side, clrTic);
SetPixel (hdc, x,y+6*side, clrTic);
SetPixel (hdc, x,y+7*side, clrTic);
SetPixel (hdc, x,y+8*side, clrTic);
}
}
static VOID
TRACKBAR_DrawVertTic (TRACKBAR_INFO *infoPtr, HDC hdc, LONG ticPos,
int flags, COLORREF clrTic)
{
RECT rcChannel=infoPtr->rcChannel;
int x,y,width,range,side;
range=infoPtr->nRangeMax - infoPtr->nRangeMin;
width=rcChannel.bottom - rcChannel.top;
if (flags & TBS_TOP) {
x=rcChannel.right-2;
side=-1;
} else {
x=rcChannel.left+2;
side=1;
}
if (flags & TIC_SELECTIONMARK) {
if (flags & TIC_SELECTIONMARKMIN)
y=rcChannel.top + (width*ticPos)/range - 1;
else
y=rcChannel.top + (width*ticPos)/range + 1;
SetPixel (hdc, x+6*side, y, clrTic);
SetPixel (hdc, x+7*side, y, clrTic);
return;
}
if ((ticPos>infoPtr->nRangeMin) && (ticPos<infoPtr->nRangeMax)) {
y=rcChannel.top + (width*ticPos)/range;
SetPixel (hdc, x+5*side, y, clrTic);
SetPixel (hdc, x+6*side, y, clrTic);
SetPixel (hdc, x+7*side, y, clrTic);
}
if (flags & TIC_EDGE) {
if (flags & TIC_LEFTEDGE)
y=rcChannel.top;
else
y=rcChannel.bottom;
SetPixel (hdc, x+5*side, y, clrTic);
SetPixel (hdc, x+6*side, y, clrTic);
SetPixel (hdc, x+7*side, y, clrTic);
SetPixel (hdc, x+8*side, y, clrTic);
}
}
static VOID
TRACKBAR_DrawTics (TRACKBAR_INFO *infoPtr, HDC hdc, LONG ticPos,
int flags, COLORREF clrTic)
{
if (flags & TBS_VERT) {
if ((flags & TBS_TOP) || (flags & TBS_BOTH))
TRACKBAR_DrawVertTic (infoPtr, hdc, ticPos,
flags | TBS_TOP , clrTic);
if (!(flags & TBS_TOP) || (flags & TBS_BOTH))
TRACKBAR_DrawVertTic (infoPtr, hdc, ticPos, flags, clrTic);
return;
}
if ((flags & TBS_TOP) || (flags & TBS_BOTH))
TRACKBAR_DrawHorizTic (infoPtr, hdc, ticPos, flags | TBS_TOP , clrTic);
if (!(flags & TBS_TOP) || (flags & TBS_BOTH))
TRACKBAR_DrawHorizTic (infoPtr, hdc, ticPos, flags, clrTic);
}
static VOID
TRACKBAR_Refresh (HWND hwnd, HDC hdc)
{
TRACKBAR_INFO *infoPtr = TRACKBAR_GetInfoPtr (hwnd);
DWORD dwStyle = GetWindowLongA (hwnd, GWL_STYLE);
RECT rcClient, rcChannel, rcSelection;
HBRUSH hBrush = CreateSolidBrush (infoPtr->clrBk);
int i;
GetClientRect (hwnd, &rcClient);
hBrush = CreateSolidBrush (infoPtr->clrBk);
FillRect (hdc, &rcClient, hBrush);
DeleteObject (hBrush);
if (infoPtr->flags & TB_REFRESH_TIMER_SET) {
KillTimer (hwnd, TB_REFRESH_TIMER);
infoPtr->flags &= ~TB_REFRESH_TIMER_SET;
}
if (infoPtr->flags & TB_DRAGPOSVALID) {
infoPtr->nPos=infoPtr->dragPos;
infoPtr->flags |= TB_THUMBPOSCHANGED;
}
if (infoPtr->flags & TB_THUMBCHANGED) {
TRACKBAR_CalcThumb (hwnd, infoPtr);
if (infoPtr->flags & TB_THUMBSIZECHANGED)
TRACKBAR_CalcChannel (hwnd, infoPtr);
}
if (infoPtr->flags & TB_SELECTIONCHANGED)
TRACKBAR_CalcSelection (hwnd, infoPtr);
infoPtr->flags &= ~ (TB_THUMBCHANGED | TB_SELECTIONCHANGED | TB_DRAGPOSVALID);
/* draw channel */
rcChannel = infoPtr->rcChannel;
rcSelection= infoPtr->rcSelection;
DrawEdge (hdc, &rcChannel, EDGE_SUNKEN, BF_RECT | BF_ADJUST);
if (dwStyle & TBS_ENABLESELRANGE) { /* fill the channel */
HBRUSH hbr = CreateSolidBrush (RGB(255,255,255));
FillRect (hdc, &rcChannel, hbr);
if (((dwStyle & TBS_VERT) &&
(rcSelection.left!=rcSelection.right)) ||
((!(dwStyle & TBS_VERT)) &&
(rcSelection.left!=rcSelection.right))) {
hbr=CreateSolidBrush (COLOR_HIGHLIGHT);
FillRect (hdc, &rcSelection, hbr);
}
DeleteObject (hbr);
}
/* draw tics */
if (!(dwStyle & TBS_NOTICKS)) {
int ticFlags = dwStyle & 0x0f;
COLORREF clrTic=GetSysColor (COLOR_3DDKSHADOW);
for (i=0; i<infoPtr->uNumTics; i++)
TRACKBAR_DrawTics (infoPtr, hdc, infoPtr->tics[i],
ticFlags, clrTic);
TRACKBAR_DrawTics (infoPtr, hdc, 0, ticFlags | TIC_LEFTEDGE, clrTic);
TRACKBAR_DrawTics (infoPtr, hdc, 0, ticFlags | TIC_RIGHTEDGE, clrTic);
if ((dwStyle & TBS_ENABLESELRANGE) &&
(rcSelection.left!=rcSelection.right)) {
TRACKBAR_DrawTics (infoPtr, hdc, infoPtr->nSelMin,
ticFlags | TIC_SELECTIONMARKMIN, clrTic);
TRACKBAR_DrawTics (infoPtr, hdc, infoPtr->nSelMax,
ticFlags | TIC_SELECTIONMARKMAX, clrTic);
}
}
/* draw thumb */
if (!(dwStyle & TBS_NOTHUMB)) {
HBRUSH hbr = CreateSolidBrush (COLOR_BACKGROUND);
RECT thumb = infoPtr->rcThumb;
SelectObject (hdc, hbr);
if (dwStyle & TBS_BOTH) {
FillRect (hdc, &thumb, hbr);
DrawEdge (hdc, &thumb, EDGE_RAISED, BF_TOPLEFT);
} else {
POINT points[6];
/* first, fill the thumb */
/* FIXME: revamp. check for TBS_VERT */
SetPolyFillMode (hdc,WINDING);
points[0].x=thumb.left;
points[0].y=thumb.top;
points[1].x=thumb.right - 1;
points[1].y=thumb.top;
points[2].x=thumb.right - 1;
points[2].y=thumb.bottom -2;
points[3].x=(thumb.right + thumb.left-1)/2;
points[3].y=thumb.bottom+4;
points[4].x=thumb.left;
points[4].y=thumb.bottom -2;
points[5].x=points[0].x;
points[5].y=points[0].y;
Polygon (hdc, points, 6);
if (dwStyle & TBS_VERT) {
/* draw edge */
} else {
RECT triangle; /* for correct shadows of thumb */
DrawEdge (hdc, &thumb, EDGE_RAISED, BF_TOPLEFT);
/* draw notch */
triangle.right = thumb.right+5;
triangle.left = points[3].x+5;
triangle.top = thumb.bottom +5;
triangle.bottom= thumb.bottom +1;
DrawEdge (hdc, &triangle, EDGE_SUNKEN,
BF_DIAGONAL | BF_TOP | BF_RIGHT);
triangle.left = thumb.left+6;
triangle.right = points[3].x+6;
DrawEdge (hdc, &triangle, EDGE_RAISED,
BF_DIAGONAL | BF_TOP | BF_LEFT);
}
}
DeleteObject (hbr);
}
if (infoPtr->bFocus)
DrawFocusRect (hdc, &rcClient);
}
static VOID
TRACKBAR_AlignBuddies (HWND hwnd, TRACKBAR_INFO *infoPtr)
{
DWORD dwStyle = GetWindowLongA (hwnd, GWL_STYLE);
HWND hwndParent = GetParent (hwnd);
RECT rcSelf, rcBuddy;
INT x, y;
GetWindowRect (hwnd, &rcSelf);
MapWindowPoints (HWND_DESKTOP, hwndParent, (LPPOINT)&rcSelf, 2);
/* align buddy left or above */
if (infoPtr->hwndBuddyLA) {
GetWindowRect (infoPtr->hwndBuddyLA, &rcBuddy);
MapWindowPoints (HWND_DESKTOP, hwndParent, (LPPOINT)&rcBuddy, 2);
if (dwStyle & TBS_VERT) {
x = (infoPtr->rcChannel.right + infoPtr->rcChannel.left) / 2 -
(rcBuddy.right - rcBuddy.left) / 2 + rcSelf.left;
y = rcSelf.top - (rcBuddy.bottom - rcBuddy.top);
}
else {
x = rcSelf.left - (rcBuddy.right - rcBuddy.left);
y = (infoPtr->rcChannel.bottom + infoPtr->rcChannel.top) / 2 -
(rcBuddy.bottom - rcBuddy.top) / 2 + rcSelf.top;
}
SetWindowPos (infoPtr->hwndBuddyLA, 0, x, y, 0, 0,
SWP_NOZORDER | SWP_NOSIZE);
}
/* align buddy right or below */
if (infoPtr->hwndBuddyRB) {
GetWindowRect (infoPtr->hwndBuddyRB, &rcBuddy);
MapWindowPoints (HWND_DESKTOP, hwndParent, (LPPOINT)&rcBuddy, 2);
if (dwStyle & TBS_VERT) {
x = (infoPtr->rcChannel.right + infoPtr->rcChannel.left) / 2 -
(rcBuddy.right - rcBuddy.left) / 2 + rcSelf.left;
y = rcSelf.bottom;
}
else {
x = rcSelf.right;
y = (infoPtr->rcChannel.bottom + infoPtr->rcChannel.top) / 2 -
(rcBuddy.bottom - rcBuddy.top) / 2 + rcSelf.top;
}
SetWindowPos (infoPtr->hwndBuddyRB, 0, x, y, 0, 0,
SWP_NOZORDER | SWP_NOSIZE);
}
}
static LRESULT
TRACKBAR_ClearSel (HWND hwnd, WPARAM wParam, LPARAM lParam)
{
TRACKBAR_INFO *infoPtr = TRACKBAR_GetInfoPtr (hwnd);
infoPtr->nSelMin = 0;
infoPtr->nSelMax = 0;
infoPtr->flags |=TB_SELECTIONCHANGED;
if ((BOOL)wParam) {
HDC hdc = GetDC (hwnd);
TRACKBAR_Refresh (hwnd, hdc);
ReleaseDC (hwnd, hdc);
}
return 0;
}
static LRESULT
TRACKBAR_ClearTics (HWND hwnd, WPARAM wParam, LPARAM lParam)
{
TRACKBAR_INFO *infoPtr = TRACKBAR_GetInfoPtr (hwnd);
if (infoPtr->tics) {
COMCTL32_Free (infoPtr->tics);
infoPtr->tics = NULL;
infoPtr->uNumTics = 0;
}
if (wParam) {
HDC hdc = GetDC (hwnd);
TRACKBAR_Refresh (hwnd, hdc);
ReleaseDC (hwnd, hdc);
}
return 0;
}
static LRESULT
TRACKBAR_GetBuddy (HWND hwnd, WPARAM wParam, LPARAM lParam)
{
TRACKBAR_INFO *infoPtr = TRACKBAR_GetInfoPtr (hwnd);
if (wParam) /* buddy is left or above */
return (LRESULT)infoPtr->hwndBuddyLA;
/* buddy is right or below */
return (LRESULT) infoPtr->hwndBuddyRB;
}
static LRESULT
TRACKBAR_GetChannelRect (HWND hwnd, WPARAM wParam, LPARAM lParam)
{
TRACKBAR_INFO *infoPtr = TRACKBAR_GetInfoPtr (hwnd);
LPRECT lprc = (LPRECT)lParam;
if (lprc == NULL)
return 0;
lprc->left = infoPtr->rcChannel.left;
lprc->right = infoPtr->rcChannel.right;
lprc->bottom = infoPtr->rcChannel.bottom;
lprc->top = infoPtr->rcChannel.top;
return 0;
}
static LRESULT
TRACKBAR_GetLineSize (HWND hwnd, WPARAM wParam, LPARAM lParam)
{
TRACKBAR_INFO *infoPtr = TRACKBAR_GetInfoPtr (hwnd);
return infoPtr->nLineSize;
}
static LRESULT
TRACKBAR_GetNumTics (HWND hwnd, WPARAM wParam, LPARAM lParam)
{
TRACKBAR_INFO *infoPtr = TRACKBAR_GetInfoPtr (hwnd);
if (GetWindowLongA (hwnd, GWL_STYLE) & TBS_NOTICKS)
return 0;
return infoPtr->uNumTics+2;
}
static LRESULT
TRACKBAR_GetPageSize (HWND hwnd, WPARAM wParam, LPARAM lParam)
{
TRACKBAR_INFO *infoPtr = TRACKBAR_GetInfoPtr (hwnd);
return infoPtr->nPageSize;
}
static LRESULT
TRACKBAR_GetPos (HWND hwnd, WPARAM wParam, LPARAM lParam)
{
TRACKBAR_INFO *infoPtr = TRACKBAR_GetInfoPtr (hwnd);
return infoPtr->nPos;
}
static LRESULT
TRACKBAR_GetRangeMax (HWND hwnd, WPARAM wParam, LPARAM lParam)
{
TRACKBAR_INFO *infoPtr = TRACKBAR_GetInfoPtr (hwnd);
return infoPtr->nRangeMax;
}
static LRESULT
TRACKBAR_GetRangeMin (HWND hwnd, WPARAM wParam, LPARAM lParam)
{
TRACKBAR_INFO *infoPtr = TRACKBAR_GetInfoPtr (hwnd);
return infoPtr->nRangeMin;
}
static LRESULT
TRACKBAR_GetSelEnd (HWND hwnd, WPARAM wParam, LPARAM lParam)
{
TRACKBAR_INFO *infoPtr = TRACKBAR_GetInfoPtr (hwnd);
return infoPtr->nSelMax;
}
static LRESULT
TRACKBAR_GetSelStart (HWND hwnd, WPARAM wParam, LPARAM lParam)
{
TRACKBAR_INFO *infoPtr = TRACKBAR_GetInfoPtr (hwnd);
return infoPtr->nSelMin;
}
static LRESULT
TRACKBAR_GetThumbLength (HWND hwnd, WPARAM wParam, LPARAM lParam)
{
TRACKBAR_INFO *infoPtr = TRACKBAR_GetInfoPtr (hwnd);
return infoPtr->uThumbLen;
}
static LRESULT
TRACKBAR_GetPTics (HWND hwnd)
{
TRACKBAR_INFO *infoPtr = TRACKBAR_GetInfoPtr (hwnd);
return (LRESULT) infoPtr->tics;
}
static LRESULT
TRACKBAR_GetThumbRect (HWND hwnd, WPARAM wParam, LPARAM lParam)
{
TRACKBAR_INFO *infoPtr = TRACKBAR_GetInfoPtr (hwnd);
LPRECT lprc = (LPRECT)lParam;
if (lprc == NULL)
return 0;
lprc->left = infoPtr->rcThumb.left;
lprc->right = infoPtr->rcThumb.right;
lprc->bottom = infoPtr->rcThumb.bottom;
lprc->top = infoPtr->rcThumb.top;
return 0;
}
static LRESULT
TRACKBAR_GetTic (HWND hwnd, WPARAM wParam, LPARAM lParam)
{
TRACKBAR_INFO *infoPtr = TRACKBAR_GetInfoPtr (hwnd);
INT iTic;
iTic=(INT) wParam;
if ((iTic<0) || (iTic>infoPtr->uNumTics))
return -1;
return (LRESULT) infoPtr->tics[iTic];
}
static LRESULT
TRACKBAR_GetTicPos (HWND hwnd, WPARAM wParam, LPARAM lParam)
{
TRACKBAR_INFO *infoPtr = TRACKBAR_GetInfoPtr (hwnd);
INT iTic, range, width, pos;
iTic=(INT ) wParam;
if ((iTic<0) || (iTic>infoPtr->uNumTics))
return -1;
range=infoPtr->nRangeMax - infoPtr->nRangeMin;
width=infoPtr->rcChannel.right - infoPtr->rcChannel.left;
pos=infoPtr->rcChannel.left + (width * infoPtr->tics[iTic]) / range;
return (LRESULT) pos;
}
static LRESULT
TRACKBAR_GetToolTips (HWND hwnd, WPARAM wParam, LPARAM lParam)
{
TRACKBAR_INFO *infoPtr = TRACKBAR_GetInfoPtr (hwnd);
if (GetWindowLongA (hwnd, GWL_STYLE) & TBS_TOOLTIPS)
return (LRESULT)infoPtr->hwndToolTip;
return 0;
}
/* case TBM_GETUNICODEFORMAT: */
static LRESULT
TRACKBAR_SetBuddy (HWND hwnd, WPARAM wParam, LPARAM lParam)
{
TRACKBAR_INFO *infoPtr = TRACKBAR_GetInfoPtr (hwnd);
HWND hwndTemp;
if (wParam) {
/* buddy is left or above */
hwndTemp = infoPtr->hwndBuddyLA;
infoPtr->hwndBuddyLA = (HWND)lParam;
FIXME (trackbar, "move buddy!\n");
}
else {
/* buddy is right or below */
hwndTemp = infoPtr->hwndBuddyRB;
infoPtr->hwndBuddyRB = (HWND)lParam;
FIXME (trackbar, "move buddy!\n");
}
TRACKBAR_AlignBuddies (hwnd, infoPtr);
return (LRESULT)hwndTemp;
}
static LRESULT
TRACKBAR_SetLineSize (HWND hwnd, WPARAM wParam, LPARAM lParam)
{
TRACKBAR_INFO *infoPtr = TRACKBAR_GetInfoPtr (hwnd);
INT nTemp = infoPtr->nLineSize;
infoPtr->nLineSize = (INT)lParam;
return nTemp;
}
static LRESULT
TRACKBAR_SetPageSize (HWND hwnd, WPARAM wParam, LPARAM lParam)
{
TRACKBAR_INFO *infoPtr = TRACKBAR_GetInfoPtr (hwnd);
INT nTemp = infoPtr->nPageSize;
infoPtr->nPageSize = (INT)lParam;
return nTemp;
}
static LRESULT
TRACKBAR_SetPos (HWND hwnd, WPARAM wParam, LPARAM lParam)
{
TRACKBAR_INFO *infoPtr = TRACKBAR_GetInfoPtr (hwnd);
infoPtr->nPos = (INT)HIWORD(lParam);
if (infoPtr->nPos < infoPtr->nRangeMin)
infoPtr->nPos = infoPtr->nRangeMin;
if (infoPtr->nPos > infoPtr->nRangeMax)
infoPtr->nPos = infoPtr->nRangeMax;
infoPtr->flags |=TB_THUMBPOSCHANGED;
if (wParam) {
HDC hdc = GetDC (hwnd);
TRACKBAR_Refresh (hwnd, hdc);
ReleaseDC (hwnd, hdc);
}
return 0;
}
static LRESULT
TRACKBAR_SetRange (HWND hwnd, WPARAM wParam, LPARAM lParam)
{
TRACKBAR_INFO *infoPtr = TRACKBAR_GetInfoPtr (hwnd);
infoPtr->nRangeMin = (INT)LOWORD(lParam);
infoPtr->nRangeMax = (INT)HIWORD(lParam);
if (infoPtr->nPos < infoPtr->nRangeMin) {
infoPtr->nPos = infoPtr->nRangeMin;
infoPtr->flags |=TB_THUMBPOSCHANGED;
}
if (infoPtr->nPos > infoPtr->nRangeMax) {
infoPtr->nPos = infoPtr->nRangeMax;
infoPtr->flags |=TB_THUMBPOSCHANGED;
}
infoPtr->nPageSize=(infoPtr->nRangeMax - infoPtr->nRangeMin)/5;
TRACKBAR_RecalculateTics (infoPtr);
if (wParam) {
HDC hdc = GetDC (hwnd);
TRACKBAR_Refresh (hwnd, hdc);
ReleaseDC (hwnd, hdc);
}
return 0;
}
static LRESULT
TRACKBAR_SetRangeMax (HWND hwnd, WPARAM wParam, LPARAM lParam)
{
TRACKBAR_INFO *infoPtr = TRACKBAR_GetInfoPtr (hwnd);
infoPtr->nRangeMax = (INT)lParam;
if (infoPtr->nPos > infoPtr->nRangeMax) {
infoPtr->nPos = infoPtr->nRangeMax;
infoPtr->flags |=TB_THUMBPOSCHANGED;
}
infoPtr->nPageSize=(infoPtr->nRangeMax - infoPtr->nRangeMin)/5;
TRACKBAR_RecalculateTics (infoPtr);
if (wParam) {
HDC hdc = GetDC (hwnd);
TRACKBAR_Refresh (hwnd, hdc);
ReleaseDC (hwnd, hdc);
}
return 0;
}
static LRESULT
TRACKBAR_SetRangeMin (HWND hwnd, WPARAM wParam, LPARAM lParam)
{
TRACKBAR_INFO *infoPtr = TRACKBAR_GetInfoPtr (hwnd);
infoPtr->nRangeMin = (INT)lParam;
if (infoPtr->nPos < infoPtr->nRangeMin) {
infoPtr->nPos = infoPtr->nRangeMin;
infoPtr->flags |=TB_THUMBPOSCHANGED;
}
infoPtr->nPageSize=(infoPtr->nRangeMax - infoPtr->nRangeMin)/5;
TRACKBAR_RecalculateTics (infoPtr);
if (wParam) {
HDC hdc = GetDC (hwnd);
TRACKBAR_Refresh (hwnd, hdc);
ReleaseDC (hwnd, hdc);
}
return 0;
}
static LRESULT
TRACKBAR_SetTicFreq (HWND hwnd, WPARAM wParam)
{
TRACKBAR_INFO *infoPtr = TRACKBAR_GetInfoPtr (hwnd);
HDC hdc;
if (GetWindowLongA (hwnd, GWL_STYLE) & TBS_AUTOTICKS)
infoPtr->uTicFreq=(UINT) wParam;
TRACKBAR_RecalculateTics (infoPtr);
hdc = GetDC (hwnd);
TRACKBAR_Refresh (hwnd, hdc);
ReleaseDC (hwnd, hdc);
return 0;
}
static LRESULT
TRACKBAR_SetSel (HWND hwnd, WPARAM wParam, LPARAM lParam)
{
TRACKBAR_INFO *infoPtr = TRACKBAR_GetInfoPtr (hwnd);
infoPtr->nSelMin = (INT)LOWORD(lParam);
infoPtr->nSelMax = (INT)HIWORD(lParam);
infoPtr->flags |=TB_SELECTIONCHANGED;
if (!GetWindowLongA (hwnd, GWL_STYLE) & TBS_ENABLESELRANGE)
return 0;
if (infoPtr->nSelMin < infoPtr->nRangeMin)
infoPtr->nSelMin = infoPtr->nRangeMin;
if (infoPtr->nSelMax > infoPtr->nRangeMax)
infoPtr->nSelMax = infoPtr->nRangeMax;
if (wParam) {
HDC hdc = GetDC (hwnd);
TRACKBAR_Refresh (hwnd, hdc);
ReleaseDC (hwnd, hdc);
}
return 0;
}
static LRESULT
TRACKBAR_SetSelEnd (HWND hwnd, WPARAM wParam, LPARAM lParam)
{
TRACKBAR_INFO *infoPtr = TRACKBAR_GetInfoPtr (hwnd);
if (!GetWindowLongA (hwnd, GWL_STYLE) & TBS_ENABLESELRANGE)
return 0;
infoPtr->nSelMax = (INT)lParam;
infoPtr->flags |=TB_SELECTIONCHANGED;
if (infoPtr->nSelMax > infoPtr->nRangeMax)
infoPtr->nSelMax = infoPtr->nRangeMax;
if (wParam) {
HDC hdc = GetDC (hwnd);
TRACKBAR_Refresh (hwnd, hdc);
ReleaseDC (hwnd, hdc);
}
return 0;
}
static LRESULT
TRACKBAR_SetSelStart (HWND hwnd, WPARAM wParam, LPARAM lParam)
{
TRACKBAR_INFO *infoPtr = TRACKBAR_GetInfoPtr (hwnd);
if (!GetWindowLongA (hwnd, GWL_STYLE) & TBS_ENABLESELRANGE)
return 0;
infoPtr->nSelMin = (INT)lParam;
infoPtr->flags |=TB_SELECTIONCHANGED;
if (infoPtr->nSelMin < infoPtr->nRangeMin)
infoPtr->nSelMin = infoPtr->nRangeMin;
if (wParam) {
HDC hdc = GetDC (hwnd);
TRACKBAR_Refresh (hwnd, hdc);
ReleaseDC (hwnd, hdc);
}
return 0;
}
static LRESULT
TRACKBAR_SetThumbLength (HWND hwnd, WPARAM wParam, LPARAM lParam)
{
TRACKBAR_INFO *infoPtr = TRACKBAR_GetInfoPtr (hwnd);
HDC hdc;
if (GetWindowLongA (hwnd, GWL_STYLE) & TBS_FIXEDLENGTH)
infoPtr->uThumbLen = (UINT)wParam;
infoPtr->flags |=TB_THUMBSIZECHANGED;
hdc = GetDC (hwnd);
TRACKBAR_Refresh (hwnd, hdc);
ReleaseDC (hwnd, hdc);
return 0;
}
static LRESULT
TRACKBAR_SetTic (HWND hwnd, WPARAM wParam, LPARAM lParam)
{
TRACKBAR_INFO *infoPtr = TRACKBAR_GetInfoPtr (hwnd);
INT nPos = (INT)lParam;
HDC hdc;
if ((nPos < infoPtr->nRangeMin) || (nPos> infoPtr->nRangeMax))
return FALSE;
infoPtr->uNumTics++;
infoPtr->tics=COMCTL32_ReAlloc( infoPtr->tics,
(infoPtr->uNumTics)*sizeof (DWORD));
infoPtr->tics[infoPtr->uNumTics-1]=nPos;
hdc = GetDC (hwnd);
TRACKBAR_Refresh (hwnd, hdc);
ReleaseDC (hwnd, hdc);
return TRUE;
}
static LRESULT
TRACKBAR_SetTipSide (HWND hwnd, WPARAM wParam, LPARAM lParam)
{
TRACKBAR_INFO *infoPtr = TRACKBAR_GetInfoPtr (hwnd);
INT fTemp = infoPtr->fLocation;
infoPtr->fLocation = (INT)wParam;
return fTemp;
}
static LRESULT
TRACKBAR_SetToolTips (HWND hwnd, WPARAM wParam, LPARAM lParam)
{
TRACKBAR_INFO *infoPtr = TRACKBAR_GetInfoPtr (hwnd);
infoPtr->hwndToolTip = (HWND)wParam;
return 0;
}
/* case TBM_SETUNICODEFORMAT: */
static LRESULT
TRACKBAR_InitializeThumb (HWND hwnd)
{
TRACKBAR_INFO *infoPtr = TRACKBAR_GetInfoPtr (hwnd);
infoPtr->uThumbLen = 23; /* initial thumb length */
TRACKBAR_CalcChannel (hwnd,infoPtr);
TRACKBAR_CalcThumb (hwnd, infoPtr);
infoPtr->flags &= ~TB_SELECTIONCHANGED;
return 0;
}
static LRESULT
TRACKBAR_Create (HWND hwnd, WPARAM wParam, LPARAM lParam)
{
TRACKBAR_INFO *infoPtr;
infoPtr = (TRACKBAR_INFO *)COMCTL32_Alloc (sizeof(TRACKBAR_INFO));
SetWindowLongA (hwnd, 0, (DWORD)infoPtr);
/* set default values */
infoPtr->nRangeMin = 0;
infoPtr->nRangeMax = 100;
infoPtr->nLineSize = 1;
infoPtr->nPageSize = 20;
infoPtr->nSelMin = 0;
infoPtr->nSelMax = 0;
infoPtr->nPos = 0;
infoPtr->uNumTics = 0; /* start and end tic are not included in count*/
infoPtr->uTicFreq = 1;
infoPtr->tics = NULL;
infoPtr->clrBk = GetSysColor (COLOR_BACKGROUND);
infoPtr->hwndNotify = GetParent (hwnd);
TRACKBAR_InitializeThumb (hwnd);
/* Create tooltip control */
if (GetWindowLongA (hwnd, GWL_STYLE) & TBS_TOOLTIPS) {
TTTOOLINFOA ti;
infoPtr->hwndToolTip =
CreateWindowExA (0, TOOLTIPS_CLASSA, NULL, 0,
CW_USEDEFAULT, CW_USEDEFAULT,
CW_USEDEFAULT, CW_USEDEFAULT,
hwnd, 0, 0, 0);
/* Send NM_TOOLTIPSCREATED notification */
if (infoPtr->hwndToolTip) {
NMTOOLTIPSCREATED nmttc;
nmttc.hdr.hwndFrom = hwnd;
nmttc.hdr.idFrom = GetWindowLongA (hwnd, GWL_ID);
nmttc.hdr.code = NM_TOOLTIPSCREATED;
nmttc.hwndToolTips = infoPtr->hwndToolTip;
SendMessageA (GetParent (hwnd), WM_NOTIFY,
(WPARAM)nmttc.hdr.idFrom, (LPARAM)&nmttc);
}
ZeroMemory (&ti, sizeof(TTTOOLINFOA));
ti.cbSize = sizeof(TTTOOLINFOA);
ti.uFlags = TTF_IDISHWND | TTF_TRACK;
ti.hwnd = hwnd;
ti.uId = 0;
ti.lpszText = "Test"; /* LPSTR_TEXTCALLBACK */
SetRectEmpty (&ti.rect);
SendMessageA (infoPtr->hwndToolTip, TTM_ADDTOOLA, 0, (LPARAM)&ti);
}
return 0;
}
static LRESULT
TRACKBAR_Destroy (HWND hwnd, WPARAM wParam, LPARAM lParam)
{
TRACKBAR_INFO *infoPtr = TRACKBAR_GetInfoPtr (hwnd);
if (infoPtr->flags & TB_REFRESH_TIMER_SET)
KillTimer (hwnd, TB_REFRESH_TIMER);
/* delete tooltip control */
if (infoPtr->hwndToolTip)
DestroyWindow (infoPtr->hwndToolTip);
COMCTL32_Free (infoPtr);
return 0;
}
static LRESULT
TRACKBAR_KillFocus (HWND hwnd, WPARAM wParam, LPARAM lParam)
{
TRACKBAR_INFO *infoPtr = TRACKBAR_GetInfoPtr (hwnd);
TRACE (trackbar,"\n");
infoPtr->bFocus = FALSE;
infoPtr->flags &= ~TB_DRAG_MODE;
TRACKBAR_QueueRefresh (hwnd);
InvalidateRect (hwnd, NULL, TRUE);
return 0;
}
static LRESULT
TRACKBAR_LButtonDown (HWND hwnd, WPARAM wParam, LPARAM lParam)
{
TRACKBAR_INFO *infoPtr = TRACKBAR_GetInfoPtr (hwnd);
DWORD dwStyle = GetWindowLongA (hwnd, GWL_STYLE);
int clickPlace,prevPos,clickPos,vertical;
SetFocus (hwnd);
vertical = dwStyle & TBS_VERT;
if (vertical)
clickPlace=(INT)HIWORD(lParam);
else
clickPlace=(INT)LOWORD(lParam);
if ((vertical &&
(clickPlace>infoPtr->rcThumb.top) &&
(clickPlace<infoPtr->rcThumb.bottom)) ||
(!vertical &&
(clickPlace>infoPtr->rcThumb.left) &&
(clickPlace<infoPtr->rcThumb.right))) {
infoPtr->flags |= TB_DRAG_MODE;
if (dwStyle & TBS_TOOLTIPS) { /* enable tooltip */
TTTOOLINFOA ti;
POINT pt;
GetCursorPos (&pt);
SendMessageA (infoPtr->hwndToolTip, TTM_TRACKPOSITION, 0,
(LPARAM)MAKELPARAM(pt.x, pt.y));
ti.cbSize = sizeof(TTTOOLINFOA);
ti.uId = 0;
ti.hwnd = (UINT)hwnd;
infoPtr->flags |= TB_SHOW_TOOLTIP;
SetCapture (hwnd);
SendMessageA (infoPtr->hwndToolTip, TTM_TRACKACTIVATE,
(WPARAM)TRUE, (LPARAM)&ti);
}
return 0;
}
clickPos=TRACKBAR_ConvertPlaceToPosition (infoPtr, clickPlace, vertical);
prevPos = infoPtr->nPos;
if (clickPos > prevPos) { /* similar to VK_NEXT */
infoPtr->nPos += infoPtr->nPageSize;
if (infoPtr->nPos > infoPtr->nRangeMax)
infoPtr->nPos = infoPtr->nRangeMax;
TRACKBAR_SendNotify (hwnd, TB_PAGEUP);
} else {
infoPtr->nPos -= infoPtr->nPageSize; /* similar to VK_PRIOR */
if (infoPtr->nPos < infoPtr->nRangeMin)
infoPtr->nPos = infoPtr->nRangeMin;
TRACKBAR_SendNotify (hwnd, TB_PAGEDOWN);
}
if (prevPos!=infoPtr->nPos) {
infoPtr->flags |=TB_THUMBPOSCHANGED;
TRACKBAR_QueueRefresh (hwnd);
}
return 0;
}
static LRESULT
TRACKBAR_LButtonUp (HWND hwnd, WPARAM wParam, LPARAM lParam)
{
TRACKBAR_INFO *infoPtr = TRACKBAR_GetInfoPtr (hwnd);
TRACKBAR_QueueRefresh (hwnd);
TRACKBAR_SendNotify (hwnd, TB_ENDTRACK);
infoPtr->flags &= ~TB_DRAG_MODE;
if (GetWindowLongA (hwnd, GWL_STYLE) & TBS_TOOLTIPS) { /* disable tooltip */
TTTOOLINFOA ti;
ti.cbSize = sizeof(TTTOOLINFOA);
ti.uId = 0;
ti.hwnd = (UINT)hwnd;
infoPtr->flags &= ~TB_SHOW_TOOLTIP;
ReleaseCapture ();
SendMessageA (infoPtr->hwndToolTip, TTM_TRACKACTIVATE,
(WPARAM)FALSE, (LPARAM)&ti);
}
return 0;
}
static LRESULT
TRACKBAR_CaptureChanged (HWND hwnd, WPARAM wParam, LPARAM lParam)
{
TRACKBAR_INFO *infoPtr = TRACKBAR_GetInfoPtr (hwnd);
if (infoPtr->flags & TB_DRAGPOSVALID) {
infoPtr->nPos=infoPtr->dragPos;
TRACKBAR_QueueRefresh (hwnd);
}
infoPtr->flags &= ~ TB_DRAGPOSVALID;
TRACKBAR_SendNotify (hwnd, TB_ENDTRACK);
return 0;
}
static LRESULT
TRACKBAR_Paint (HWND hwnd, WPARAM wParam)
{
HDC hdc;
PAINTSTRUCT ps;
hdc = wParam==0 ? BeginPaint (hwnd, &ps) : (HDC)wParam;
TRACKBAR_Refresh (hwnd, hdc);
if(!wParam)
EndPaint (hwnd, &ps);
return 0;
}
static LRESULT
TRACKBAR_SetFocus (HWND hwnd, WPARAM wParam, LPARAM lParam)
{
TRACKBAR_INFO *infoPtr = TRACKBAR_GetInfoPtr (hwnd);
HDC hdc;
TRACE (trackbar,"\n");
infoPtr->bFocus = TRUE;
hdc = GetDC (hwnd);
TRACKBAR_Refresh (hwnd, hdc);
ReleaseDC (hwnd, hdc);
return 0;
}
static LRESULT
TRACKBAR_Size (HWND hwnd, WPARAM wParam, LPARAM lParam)
{
TRACKBAR_INFO *infoPtr = TRACKBAR_GetInfoPtr (hwnd);
TRACKBAR_CalcChannel (hwnd, infoPtr);
TRACKBAR_AlignBuddies (hwnd, infoPtr);
return 0;
}
static BOOL
TRACKBAR_SendNotify (HWND hwnd, UINT code)
{
TRACE (trackbar, "%x\n",code);
if (GetWindowLongA (hwnd, GWL_STYLE) & TBS_VERT)
return (BOOL) SendMessageA (GetParent (hwnd),
WM_VSCROLL, (WPARAM)code, (LPARAM)hwnd);
return (BOOL) SendMessageA (GetParent (hwnd),
WM_HSCROLL, (WPARAM)code, (LPARAM)hwnd);
}
static LRESULT
TRACKBAR_MouseMove (HWND hwnd, WPARAM wParam, LPARAM lParam)
{
TRACKBAR_INFO *infoPtr = TRACKBAR_GetInfoPtr (hwnd);
DWORD dwStyle = GetWindowLongA (hwnd, GWL_STYLE);
INT clickPlace;
HDC hdc;
char buf[80];
TRACE (trackbar, "%x\n",wParam);
if (dwStyle & TBS_VERT)
clickPlace=(INT)HIWORD(lParam);
else
clickPlace=(INT)LOWORD(lParam);
if (!(infoPtr->flags & TB_DRAG_MODE))
return TRUE;
infoPtr->dragPos = TRACKBAR_ConvertPlaceToPosition (infoPtr, clickPlace, dwStyle & TBS_VERT);
infoPtr->flags|= TB_DRAGPOSVALID;
TRACKBAR_SendNotify (hwnd, TB_THUMBTRACK | (infoPtr->nPos>>16));
if (infoPtr->flags & TB_SHOW_TOOLTIP) {
POINT pt;
TTTOOLINFOA ti;
ti.cbSize = sizeof(TTTOOLINFOA);
ti.hwnd = hwnd;
ti.uId = 0;
ti.hinst=0;
sprintf (buf,"%d",infoPtr->nPos);
ti.lpszText = (LPSTR) buf;
GetCursorPos (&pt);
if (dwStyle & TBS_VERT) {
SendMessageA (infoPtr->hwndToolTip, TTM_TRACKPOSITION,
0, (LPARAM)MAKELPARAM(pt.x+5, pt.y+15));
} else {
SendMessageA (infoPtr->hwndToolTip, TTM_TRACKPOSITION,
0, (LPARAM)MAKELPARAM(pt.x+15, pt.y+5));
}
SendMessageA (infoPtr->hwndToolTip, TTM_UPDATETIPTEXTA,
0, (LPARAM)&ti);
}
hdc = GetDC (hwnd);
TRACKBAR_Refresh (hwnd, hdc);
ReleaseDC (hwnd, hdc);
return TRUE;
}
static LRESULT
TRACKBAR_KeyDown (HWND hwnd, WPARAM wParam, LPARAM lParam)
{
TRACKBAR_INFO *infoPtr = TRACKBAR_GetInfoPtr (hwnd);
INT pos;
TRACE (trackbar, "%x\n",wParam);
pos=infoPtr->nPos;
switch (wParam) {
case VK_LEFT:
case VK_UP:
if (infoPtr->nPos == infoPtr->nRangeMin) return FALSE;
infoPtr->nPos -= infoPtr->nLineSize;
if (infoPtr->nPos < infoPtr->nRangeMin)
infoPtr->nPos = infoPtr->nRangeMin;
TRACKBAR_SendNotify (hwnd, TB_LINEUP);
break;
case VK_RIGHT:
case VK_DOWN:
if (infoPtr->nPos == infoPtr->nRangeMax) return FALSE;
infoPtr->nPos += infoPtr->nLineSize;
if (infoPtr->nPos > infoPtr->nRangeMax)
infoPtr->nPos = infoPtr->nRangeMax;
TRACKBAR_SendNotify (hwnd, TB_LINEDOWN);
break;
case VK_NEXT:
if (infoPtr->nPos == infoPtr->nRangeMax) return FALSE;
infoPtr->nPos += infoPtr->nPageSize;
if (infoPtr->nPos > infoPtr->nRangeMax)
infoPtr->nPos = infoPtr->nRangeMax;
TRACKBAR_SendNotify (hwnd, TB_PAGEUP);
break;
case VK_PRIOR:
if (infoPtr->nPos == infoPtr->nRangeMin) return FALSE;
infoPtr->nPos -= infoPtr->nPageSize;
if (infoPtr->nPos < infoPtr->nRangeMin)
infoPtr->nPos = infoPtr->nRangeMin;
TRACKBAR_SendNotify (hwnd, TB_PAGEDOWN);
break;
case VK_HOME:
if (infoPtr->nPos == infoPtr->nRangeMin) return FALSE;
infoPtr->nPos = infoPtr->nRangeMin;
TRACKBAR_SendNotify (hwnd, TB_TOP);
break;
case VK_END:
if (infoPtr->nPos == infoPtr->nRangeMax) return FALSE;
infoPtr->nPos = infoPtr->nRangeMax;
TRACKBAR_SendNotify (hwnd, TB_BOTTOM);
break;
}
if (pos!=infoPtr->nPos) {
infoPtr->flags |=TB_THUMBPOSCHANGED;
TRACKBAR_QueueRefresh (hwnd);
}
return TRUE;
}
static LRESULT
TRACKBAR_KeyUp (HWND hwnd, WPARAM wParam)
{
switch (wParam) {
case VK_LEFT:
case VK_UP:
case VK_RIGHT:
case VK_DOWN:
case VK_NEXT:
case VK_PRIOR:
case VK_HOME:
case VK_END:
TRACKBAR_SendNotify (hwnd, TB_ENDTRACK);
}
return TRUE;
}
static LRESULT
TRACKBAR_HandleTimer (HWND hwnd, WPARAM wParam, LPARAM lParam)
{
TRACKBAR_INFO *infoPtr = TRACKBAR_GetInfoPtr (hwnd);
HDC hdc;
TRACE (trackbar,"timer\n");
switch (wParam) {
case TB_REFRESH_TIMER:
KillTimer (hwnd, TB_REFRESH_TIMER );
if (infoPtr->flags & TB_DRAGPOSVALID) {
infoPtr->nPos=infoPtr->dragPos;
infoPtr->flags |= TB_THUMBPOSCHANGED;
}
infoPtr->flags &= ~ (TB_REFRESH_TIMER_SET | TB_DRAGPOSVALID);
hdc=GetDC (hwnd);
TRACKBAR_Refresh (hwnd, hdc);
ReleaseDC (hwnd, hdc);
return 0;
}
return 1;
}
LRESULT WINAPI
TRACKBAR_WindowProc (HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
{
switch (uMsg)
{
case TBM_CLEARSEL:
return TRACKBAR_ClearSel (hwnd, wParam, lParam);
case TBM_CLEARTICS:
return TRACKBAR_ClearTics (hwnd, wParam, lParam);
case TBM_GETBUDDY:
return TRACKBAR_GetBuddy (hwnd, wParam, lParam);
case TBM_GETCHANNELRECT:
return TRACKBAR_GetChannelRect (hwnd, wParam, lParam);
case TBM_GETLINESIZE:
return TRACKBAR_GetLineSize (hwnd, wParam, lParam);
case TBM_GETNUMTICS:
return TRACKBAR_GetNumTics (hwnd, wParam, lParam);
case TBM_GETPAGESIZE:
return TRACKBAR_GetPageSize (hwnd, wParam, lParam);
case TBM_GETPOS:
return TRACKBAR_GetPos (hwnd, wParam, lParam);
case TBM_GETPTICS:
return TRACKBAR_GetPTics (hwnd);
case TBM_GETRANGEMAX:
return TRACKBAR_GetRangeMax (hwnd, wParam, lParam);
case TBM_GETRANGEMIN:
return TRACKBAR_GetRangeMin (hwnd, wParam, lParam);
case TBM_GETSELEND:
return TRACKBAR_GetSelEnd (hwnd, wParam, lParam);
case TBM_GETSELSTART:
return TRACKBAR_GetSelStart (hwnd, wParam, lParam);
case TBM_GETTHUMBLENGTH:
return TRACKBAR_GetThumbLength (hwnd, wParam, lParam);
case TBM_GETTHUMBRECT:
return TRACKBAR_GetThumbRect (hwnd, wParam, lParam);
case TBM_GETTIC:
return TRACKBAR_GetTic (hwnd, wParam, lParam);
case TBM_GETTICPOS:
return TRACKBAR_GetTicPos (hwnd, wParam, lParam);
case TBM_GETTOOLTIPS:
return TRACKBAR_GetToolTips (hwnd, wParam, lParam);
/* case TBM_GETUNICODEFORMAT: */
case TBM_SETBUDDY:
return TRACKBAR_SetBuddy (hwnd, wParam, lParam);
case TBM_SETLINESIZE:
return TRACKBAR_SetLineSize (hwnd, wParam, lParam);
case TBM_SETPAGESIZE:
return TRACKBAR_SetPageSize (hwnd, wParam, lParam);
case TBM_SETPOS:
return TRACKBAR_SetPos (hwnd, wParam, lParam);
case TBM_SETRANGE:
return TRACKBAR_SetRange (hwnd, wParam, lParam);
case TBM_SETRANGEMAX:
return TRACKBAR_SetRangeMax (hwnd, wParam, lParam);
case TBM_SETRANGEMIN:
return TRACKBAR_SetRangeMin (hwnd, wParam, lParam);
case TBM_SETSEL:
return TRACKBAR_SetSel (hwnd, wParam, lParam);
case TBM_SETSELEND:
return TRACKBAR_SetSelEnd (hwnd, wParam, lParam);
case TBM_SETSELSTART:
return TRACKBAR_SetSelStart (hwnd, wParam, lParam);
case TBM_SETTHUMBLENGTH:
return TRACKBAR_SetThumbLength (hwnd, wParam, lParam);
case TBM_SETTIC:
return TRACKBAR_SetTic (hwnd, wParam, lParam);
case TBM_SETTICFREQ:
return TRACKBAR_SetTicFreq (hwnd, wParam);
case TBM_SETTIPSIDE:
return TRACKBAR_SetTipSide (hwnd, wParam, lParam);
case TBM_SETTOOLTIPS:
return TRACKBAR_SetToolTips (hwnd, wParam, lParam);
/* case TBM_SETUNICODEFORMAT: */
case WM_CAPTURECHANGED:
return TRACKBAR_CaptureChanged (hwnd, wParam, lParam);
case WM_CREATE:
return TRACKBAR_Create (hwnd, wParam, lParam);
case WM_DESTROY:
return TRACKBAR_Destroy (hwnd, wParam, lParam);
/* case WM_ENABLE: */
/* case WM_ERASEBKGND: */
/* return 0; */
case WM_GETDLGCODE:
return DLGC_WANTARROWS;
case WM_KEYDOWN:
return TRACKBAR_KeyDown (hwnd, wParam, lParam);
case WM_KEYUP:
return TRACKBAR_KeyUp (hwnd, wParam);
case WM_KILLFOCUS:
return TRACKBAR_KillFocus (hwnd, wParam, lParam);
case WM_LBUTTONDOWN:
return TRACKBAR_LButtonDown (hwnd, wParam, lParam);
case WM_LBUTTONUP:
return TRACKBAR_LButtonUp (hwnd, wParam, lParam);
case WM_MOUSEMOVE:
return TRACKBAR_MouseMove (hwnd, wParam, lParam);
case WM_PAINT:
return TRACKBAR_Paint (hwnd, wParam);
case WM_SETFOCUS:
return TRACKBAR_SetFocus (hwnd, wParam, lParam);
case WM_SIZE:
return TRACKBAR_Size (hwnd, wParam, lParam);
case WM_TIMER:
return TRACKBAR_HandleTimer (hwnd, wParam, lParam);
case WM_WININICHANGE:
return TRACKBAR_InitializeThumb (hwnd);
default:
if (uMsg >= WM_USER)
ERR (trackbar, "unknown msg %04x wp=%08x lp=%08lx\n",
uMsg, wParam, lParam);
return DefWindowProcA (hwnd, uMsg, wParam, lParam);
}
return 0;
}
VOID
TRACKBAR_Register (VOID)
{
WNDCLASSA wndClass;
if (GlobalFindAtomA (TRACKBAR_CLASSA)) return;
ZeroMemory (&wndClass, sizeof(WNDCLASSA));
wndClass.style = CS_GLOBALCLASS;
wndClass.lpfnWndProc = (WNDPROC)TRACKBAR_WindowProc;
wndClass.cbClsExtra = 0;
wndClass.cbWndExtra = sizeof(TRACKBAR_INFO *);
wndClass.hCursor = LoadCursorA (0, IDC_ARROWA);
wndClass.hbrBackground = (HBRUSH)(COLOR_3DFACE + 1);
wndClass.lpszClassName = TRACKBAR_CLASSA;
RegisterClassA (&wndClass);
}
VOID
TRACKBAR_Unregister (VOID)
{
if (GlobalFindAtomA (TRACKBAR_CLASSA))
UnregisterClassA (TRACKBAR_CLASSA, (HINSTANCE)NULL);
}
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