1608 lines
45 KiB
C
1608 lines
45 KiB
C
/*
|
|
* Pager control
|
|
*
|
|
* Copyright 1998, 1999 Eric Kohl
|
|
*
|
|
* 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
|
*
|
|
* NOTES
|
|
* Tested primarily with the controlspy Pager application.
|
|
* Susan Farley (susan@codeweavers.com)
|
|
*
|
|
* TODO:
|
|
* Implement repetitive button press.
|
|
* Adjust arrow size relative to size of button.
|
|
* Allow border size changes.
|
|
* Implement drag and drop style.
|
|
*/
|
|
|
|
#include <string.h>
|
|
#include "winbase.h"
|
|
#include "commctrl.h"
|
|
#include "wine/debug.h"
|
|
|
|
WINE_DEFAULT_DEBUG_CHANNEL(pager);
|
|
|
|
typedef struct
|
|
{
|
|
HWND hwndChild; /* handle of the contained wnd */
|
|
BOOL bNoResize; /* set when created with CCS_NORESIZE */
|
|
COLORREF clrBk; /* background color */
|
|
INT nBorder; /* border size for the control */
|
|
INT nButtonSize;/* size of the pager btns */
|
|
INT nPos; /* scroll position */
|
|
INT nWidth; /* from child wnd's response to PGN_CALCSIZE */
|
|
INT nHeight; /* from child wnd's response to PGN_CALCSIZE */
|
|
BOOL bForward; /* forward WM_MOUSEMOVE msgs to the contained wnd */
|
|
BOOL bCapture; /* we have captured the mouse */
|
|
INT TLbtnState; /* state of top or left btn */
|
|
INT BRbtnState; /* state of bottom or right btn */
|
|
INT direction; /* direction of the scroll, (e.g. PGF_SCROLLUP) */
|
|
} PAGER_INFO;
|
|
|
|
#define PAGER_GetInfoPtr(hwnd) ((PAGER_INFO *)GetWindowLongA(hwnd, 0))
|
|
#define PAGER_IsHorizontal(hwnd) ((GetWindowLongA (hwnd, GWL_STYLE) & PGS_HORZ))
|
|
|
|
#define MIN_ARROW_WIDTH 8
|
|
#define MIN_ARROW_HEIGHT 5
|
|
|
|
#define TIMERID1 1
|
|
#define TIMERID2 2
|
|
#define INITIAL_DELAY 500
|
|
#define REPEAT_DELAY 50
|
|
|
|
/* the horizontal arrows are:
|
|
*
|
|
* 01234 01234
|
|
* 1 * *
|
|
* 2 ** **
|
|
* 3*** ***
|
|
* 4*** ***
|
|
* 5 ** **
|
|
* 6 * *
|
|
* 7
|
|
*
|
|
*/
|
|
static void
|
|
PAGER_DrawHorzArrow (HDC hdc, RECT r, INT colorRef, BOOL left)
|
|
{
|
|
INT x, y, w, h;
|
|
HPEN hPen, hOldPen;
|
|
|
|
w = r.right - r.left + 1;
|
|
h = r.bottom - r.top + 1;
|
|
if ((h < MIN_ARROW_WIDTH) || (w < MIN_ARROW_HEIGHT))
|
|
return; /* refuse to draw partial arrow */
|
|
|
|
if (!(hPen = CreatePen( PS_SOLID, 1, GetSysColor( colorRef )))) return;
|
|
hOldPen = SelectObject ( hdc, hPen );
|
|
if (left)
|
|
{
|
|
x = r.left + ((w - MIN_ARROW_HEIGHT) / 2) + 3;
|
|
y = r.top + ((h - MIN_ARROW_WIDTH) / 2) + 1;
|
|
MoveToEx (hdc, x, y, NULL);
|
|
LineTo (hdc, x--, y+5); y++;
|
|
MoveToEx (hdc, x, y, NULL);
|
|
LineTo (hdc, x--, y+3); y++;
|
|
MoveToEx (hdc, x, y, NULL);
|
|
LineTo (hdc, x, y+1);
|
|
}
|
|
else
|
|
{
|
|
x = r.left + ((w - MIN_ARROW_HEIGHT) / 2) + 1;
|
|
y = r.top + ((h - MIN_ARROW_WIDTH) / 2) + 1;
|
|
MoveToEx (hdc, x, y, NULL);
|
|
LineTo (hdc, x++, y+5); y++;
|
|
MoveToEx (hdc, x, y, NULL);
|
|
LineTo (hdc, x++, y+3); y++;
|
|
MoveToEx (hdc, x, y, NULL);
|
|
LineTo (hdc, x, y+1);
|
|
}
|
|
|
|
SelectObject( hdc, hOldPen );
|
|
DeleteObject( hPen );
|
|
}
|
|
|
|
/* the vertical arrows are:
|
|
*
|
|
* 01234567 01234567
|
|
* 1****** **
|
|
* 2 **** ****
|
|
* 3 ** ******
|
|
* 4
|
|
*
|
|
*/
|
|
static void
|
|
PAGER_DrawVertArrow (HDC hdc, RECT r, INT colorRef, BOOL up)
|
|
{
|
|
INT x, y, w, h;
|
|
HPEN hPen, hOldPen;
|
|
|
|
w = r.right - r.left + 1;
|
|
h = r.bottom - r.top + 1;
|
|
if ((h < MIN_ARROW_WIDTH) || (w < MIN_ARROW_HEIGHT))
|
|
return; /* refuse to draw partial arrow */
|
|
|
|
if (!(hPen = CreatePen( PS_SOLID, 1, GetSysColor( colorRef )))) return;
|
|
hOldPen = SelectObject ( hdc, hPen );
|
|
if (up)
|
|
{
|
|
x = r.left + ((w - MIN_ARROW_HEIGHT) / 2) + 1;
|
|
y = r.top + ((h - MIN_ARROW_WIDTH) / 2) + 3;
|
|
MoveToEx (hdc, x, y, NULL);
|
|
LineTo (hdc, x+5, y--); x++;
|
|
MoveToEx (hdc, x, y, NULL);
|
|
LineTo (hdc, x+3, y--); x++;
|
|
MoveToEx (hdc, x, y, NULL);
|
|
LineTo (hdc, x+1, y);
|
|
}
|
|
else
|
|
{
|
|
x = r.left + ((w - MIN_ARROW_HEIGHT) / 2) + 1;
|
|
y = r.top + ((h - MIN_ARROW_WIDTH) / 2) + 1;
|
|
MoveToEx (hdc, x, y, NULL);
|
|
LineTo (hdc, x+5, y++); x++;
|
|
MoveToEx (hdc, x, y, NULL);
|
|
LineTo (hdc, x+3, y++); x++;
|
|
MoveToEx (hdc, x, y, NULL);
|
|
LineTo (hdc, x+1, y);
|
|
}
|
|
|
|
SelectObject( hdc, hOldPen );
|
|
DeleteObject( hPen );
|
|
}
|
|
|
|
static void
|
|
PAGER_DrawButton(HDC hdc, COLORREF clrBk, RECT arrowRect,
|
|
BOOL horz, BOOL topLeft, INT btnState)
|
|
{
|
|
HBRUSH hBrush, hOldBrush;
|
|
RECT rc = arrowRect;
|
|
|
|
if (!btnState) /* PGF_INVISIBLE */
|
|
return;
|
|
|
|
if ((rc.right - rc.left <= 0) || (rc.bottom - rc.top <= 0))
|
|
return;
|
|
|
|
hBrush = CreateSolidBrush(clrBk);
|
|
hOldBrush = (HBRUSH)SelectObject(hdc, hBrush);
|
|
|
|
FillRect(hdc, &rc, hBrush);
|
|
|
|
if (btnState == PGF_HOT)
|
|
{
|
|
DrawEdge( hdc, &rc, BDR_RAISEDINNER, BF_RECT);
|
|
if (horz)
|
|
PAGER_DrawHorzArrow(hdc, rc, COLOR_WINDOWFRAME, topLeft);
|
|
else
|
|
PAGER_DrawVertArrow(hdc, rc, COLOR_WINDOWFRAME, topLeft);
|
|
}
|
|
else if (btnState == PGF_NORMAL)
|
|
{
|
|
DrawEdge (hdc, &rc, BDR_OUTER, BF_FLAT);
|
|
if (horz)
|
|
PAGER_DrawHorzArrow(hdc, rc, COLOR_WINDOWFRAME, topLeft);
|
|
else
|
|
PAGER_DrawVertArrow(hdc, rc, COLOR_WINDOWFRAME, topLeft);
|
|
}
|
|
else if (btnState == PGF_DEPRESSED)
|
|
{
|
|
DrawEdge( hdc, &rc, BDR_SUNKENOUTER, BF_RECT);
|
|
if (horz)
|
|
PAGER_DrawHorzArrow(hdc, rc, COLOR_WINDOWFRAME, topLeft);
|
|
else
|
|
PAGER_DrawVertArrow(hdc, rc, COLOR_WINDOWFRAME, topLeft);
|
|
}
|
|
else if (btnState == PGF_GRAYED)
|
|
{
|
|
DrawEdge (hdc, &rc, BDR_OUTER, BF_FLAT);
|
|
if (horz)
|
|
{
|
|
PAGER_DrawHorzArrow(hdc, rc, COLOR_3DHIGHLIGHT, topLeft);
|
|
rc.left++, rc.top++; rc.right++, rc.bottom++;
|
|
PAGER_DrawHorzArrow(hdc, rc, COLOR_3DSHADOW, topLeft);
|
|
}
|
|
else
|
|
{
|
|
PAGER_DrawVertArrow(hdc, rc, COLOR_3DHIGHLIGHT, topLeft);
|
|
rc.left++, rc.top++; rc.right++, rc.bottom++;
|
|
PAGER_DrawVertArrow(hdc, rc, COLOR_3DSHADOW, topLeft);
|
|
}
|
|
}
|
|
|
|
SelectObject( hdc, hOldBrush );
|
|
DeleteObject(hBrush);
|
|
}
|
|
|
|
static void PAGER_CaptureandTrack(PAGER_INFO *infoPtr, HWND hwnd)
|
|
{
|
|
TRACKMOUSEEVENT trackinfo;
|
|
|
|
TRACE("[%08x] SetCapture\n", hwnd);
|
|
SetCapture(hwnd);
|
|
infoPtr->bCapture = TRUE;
|
|
|
|
trackinfo.cbSize = sizeof(TRACKMOUSEEVENT);
|
|
trackinfo.dwFlags = TME_QUERY;
|
|
trackinfo.hwndTrack = hwnd;
|
|
trackinfo.dwHoverTime = HOVER_DEFAULT;
|
|
|
|
/* call _TrackMouseEvent to see if we are currently tracking for this hwnd */
|
|
_TrackMouseEvent(&trackinfo);
|
|
|
|
/* Make sure tracking is enabled so we receive a WM_MOUSELEAVE message */
|
|
if(!(trackinfo.dwFlags & TME_LEAVE)) {
|
|
trackinfo.dwFlags = TME_LEAVE; /* notify upon leaving */
|
|
|
|
/* call TRACKMOUSEEVENT so we receive a WM_MOUSELEAVE message */
|
|
/* and can properly deactivate the hot button */
|
|
_TrackMouseEvent(&trackinfo);
|
|
}
|
|
}
|
|
|
|
|
|
/* << PAGER_GetDropTarget >> */
|
|
|
|
static inline LRESULT
|
|
PAGER_ForwardMouse (HWND hwnd, WPARAM wParam)
|
|
{
|
|
PAGER_INFO *infoPtr = PAGER_GetInfoPtr (hwnd);
|
|
TRACE("[%08x]\n", hwnd);
|
|
|
|
infoPtr->bForward = (BOOL)wParam;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static inline LRESULT
|
|
PAGER_GetButtonState (HWND hwnd, WPARAM wParam, LPARAM lParam)
|
|
{
|
|
PAGER_INFO *infoPtr = PAGER_GetInfoPtr (hwnd);
|
|
LRESULT btnState = PGF_INVISIBLE;
|
|
INT btn = (INT)lParam;
|
|
TRACE("[%08x]\n", hwnd);
|
|
|
|
if (btn == PGB_TOPORLEFT)
|
|
btnState = infoPtr->TLbtnState;
|
|
else if (btn == PGB_BOTTOMORRIGHT)
|
|
btnState = infoPtr->BRbtnState;
|
|
|
|
return btnState;
|
|
}
|
|
|
|
|
|
static inline LRESULT
|
|
PAGER_GetPos(HWND hwnd)
|
|
{
|
|
PAGER_INFO *infoPtr = PAGER_GetInfoPtr (hwnd);
|
|
TRACE("[%08x] returns %d\n", hwnd, infoPtr->nPos);
|
|
return (LRESULT)infoPtr->nPos;
|
|
}
|
|
|
|
static inline LRESULT
|
|
PAGER_GetButtonSize(HWND hwnd)
|
|
{
|
|
PAGER_INFO *infoPtr = PAGER_GetInfoPtr (hwnd);
|
|
TRACE("[%08x] returns %d\n", hwnd, infoPtr->nButtonSize);
|
|
return (LRESULT)infoPtr->nButtonSize;
|
|
}
|
|
|
|
static inline LRESULT
|
|
PAGER_GetBorder(HWND hwnd)
|
|
{
|
|
PAGER_INFO *infoPtr = PAGER_GetInfoPtr (hwnd);
|
|
TRACE("[%08x] returns %d\n", hwnd, infoPtr->nBorder);
|
|
return (LRESULT)infoPtr->nBorder;
|
|
}
|
|
|
|
static inline LRESULT
|
|
PAGER_GetBkColor(HWND hwnd)
|
|
{
|
|
PAGER_INFO *infoPtr = PAGER_GetInfoPtr (hwnd);
|
|
TRACE("[%08x] returns %06lx\n", hwnd, infoPtr->clrBk);
|
|
return (LRESULT)infoPtr->clrBk;
|
|
}
|
|
|
|
static void
|
|
PAGER_CalcSize (HWND hwnd, INT* size, BOOL getWidth)
|
|
{
|
|
NMPGCALCSIZE nmpgcs;
|
|
ZeroMemory (&nmpgcs, sizeof (NMPGCALCSIZE));
|
|
nmpgcs.hdr.hwndFrom = hwnd;
|
|
nmpgcs.hdr.idFrom = GetWindowLongA (hwnd, GWL_ID);
|
|
nmpgcs.hdr.code = PGN_CALCSIZE;
|
|
nmpgcs.dwFlag = getWidth ? PGF_CALCWIDTH : PGF_CALCHEIGHT;
|
|
nmpgcs.iWidth = getWidth ? *size : 0;
|
|
nmpgcs.iHeight = getWidth ? 0 : *size;
|
|
SendMessageA (GetParent (hwnd), WM_NOTIFY,
|
|
(WPARAM)nmpgcs.hdr.idFrom, (LPARAM)&nmpgcs);
|
|
|
|
*size = getWidth ? nmpgcs.iWidth : nmpgcs.iHeight;
|
|
|
|
TRACE("[%08x] PGN_CALCSIZE returns %s=%d\n", hwnd,
|
|
getWidth ? "width" : "height", *size);
|
|
}
|
|
|
|
static void
|
|
PAGER_PositionChildWnd(HWND hwnd, PAGER_INFO* infoPtr)
|
|
{
|
|
if (infoPtr->hwndChild)
|
|
{
|
|
RECT rcClient;
|
|
int nPos = infoPtr->nPos;
|
|
|
|
/* compensate for a grayed btn, which will soon become invisible */
|
|
if (infoPtr->TLbtnState == PGF_GRAYED)
|
|
nPos += infoPtr->nButtonSize;
|
|
|
|
GetClientRect(hwnd, &rcClient);
|
|
|
|
if (PAGER_IsHorizontal(hwnd))
|
|
{
|
|
int wndSize = max(0, rcClient.right - rcClient.left);
|
|
if (infoPtr->nWidth < wndSize)
|
|
infoPtr->nWidth = wndSize;
|
|
|
|
TRACE("[%08x] SWP %dx%d at (%d,%d)\n", hwnd,
|
|
infoPtr->nWidth, infoPtr->nHeight,
|
|
-nPos, 0);
|
|
SetWindowPos(infoPtr->hwndChild, 0,
|
|
-nPos, 0,
|
|
infoPtr->nWidth, infoPtr->nHeight,
|
|
SWP_NOZORDER);
|
|
}
|
|
else
|
|
{
|
|
int wndSize = max(0, rcClient.bottom - rcClient.top);
|
|
if (infoPtr->nHeight < wndSize)
|
|
infoPtr->nHeight = wndSize;
|
|
|
|
TRACE("[%08x] SWP %dx%d at (%d,%d)\n", hwnd,
|
|
infoPtr->nWidth, infoPtr->nHeight,
|
|
0, -nPos);
|
|
SetWindowPos(infoPtr->hwndChild, 0,
|
|
0, -nPos,
|
|
infoPtr->nWidth, infoPtr->nHeight,
|
|
SWP_NOZORDER);
|
|
}
|
|
|
|
InvalidateRect(infoPtr->hwndChild, NULL, TRUE);
|
|
}
|
|
}
|
|
|
|
static INT
|
|
PAGER_GetScrollRange(HWND hwnd, PAGER_INFO* infoPtr)
|
|
{
|
|
INT scrollRange = 0;
|
|
|
|
if (infoPtr->hwndChild)
|
|
{
|
|
INT wndSize, childSize;
|
|
RECT wndRect;
|
|
GetWindowRect(hwnd, &wndRect);
|
|
|
|
if (PAGER_IsHorizontal(hwnd))
|
|
{
|
|
wndSize = wndRect.right - wndRect.left;
|
|
PAGER_CalcSize(hwnd, &infoPtr->nWidth, TRUE);
|
|
childSize = infoPtr->nWidth;
|
|
}
|
|
else
|
|
{
|
|
wndSize = wndRect.bottom - wndRect.top;
|
|
PAGER_CalcSize(hwnd, &infoPtr->nHeight, FALSE);
|
|
childSize = infoPtr->nHeight;
|
|
}
|
|
|
|
TRACE("childSize = %d, wndSize = %d\n", childSize, wndSize);
|
|
if (childSize > wndSize)
|
|
scrollRange = childSize - wndSize + infoPtr->nButtonSize;
|
|
}
|
|
|
|
TRACE("[%08x] returns %d\n", hwnd, scrollRange);
|
|
return scrollRange;
|
|
}
|
|
|
|
static void
|
|
PAGER_GrayAndRestoreBtns(PAGER_INFO* infoPtr, INT scrollRange,
|
|
BOOL* needsResize, BOOL* needsRepaint)
|
|
{
|
|
if (infoPtr->nPos > 0)
|
|
{
|
|
*needsResize |= !infoPtr->TLbtnState; /* PGF_INVISIBLE */
|
|
if (infoPtr->TLbtnState != PGF_DEPRESSED)
|
|
infoPtr->TLbtnState = PGF_NORMAL;
|
|
}
|
|
else
|
|
{
|
|
*needsRepaint |= (infoPtr->TLbtnState != PGF_GRAYED);
|
|
infoPtr->TLbtnState = PGF_GRAYED;
|
|
}
|
|
|
|
if (scrollRange <= 0)
|
|
{
|
|
*needsRepaint |= (infoPtr->TLbtnState != PGF_GRAYED);
|
|
infoPtr->TLbtnState = PGF_GRAYED;
|
|
*needsRepaint |= (infoPtr->BRbtnState != PGF_GRAYED);
|
|
infoPtr->BRbtnState = PGF_GRAYED;
|
|
}
|
|
else if (infoPtr->nPos < scrollRange)
|
|
{
|
|
*needsResize |= !infoPtr->BRbtnState; /* PGF_INVISIBLE */
|
|
if (infoPtr->BRbtnState != PGF_DEPRESSED)
|
|
infoPtr->BRbtnState = PGF_NORMAL;
|
|
}
|
|
else
|
|
{
|
|
*needsRepaint |= (infoPtr->BRbtnState != PGF_GRAYED);
|
|
infoPtr->BRbtnState = PGF_GRAYED;
|
|
}
|
|
}
|
|
|
|
|
|
static void
|
|
PAGER_NormalizeBtns(PAGER_INFO* infoPtr, BOOL* needsRepaint)
|
|
{
|
|
if (infoPtr->TLbtnState & (PGF_HOT | PGF_DEPRESSED))
|
|
{
|
|
infoPtr->TLbtnState = PGF_NORMAL;
|
|
*needsRepaint = TRUE;
|
|
}
|
|
|
|
if (infoPtr->BRbtnState & (PGF_HOT | PGF_DEPRESSED))
|
|
{
|
|
infoPtr->BRbtnState = PGF_NORMAL;
|
|
*needsRepaint = TRUE;
|
|
}
|
|
}
|
|
|
|
static void
|
|
PAGER_HideGrayBtns(PAGER_INFO* infoPtr, BOOL* needsResize)
|
|
{
|
|
if (infoPtr->TLbtnState == PGF_GRAYED)
|
|
{
|
|
infoPtr->TLbtnState = PGF_INVISIBLE;
|
|
*needsResize = TRUE;
|
|
}
|
|
|
|
if (infoPtr->BRbtnState == PGF_GRAYED)
|
|
{
|
|
infoPtr->BRbtnState = PGF_INVISIBLE;
|
|
*needsResize = TRUE;
|
|
}
|
|
}
|
|
|
|
static void
|
|
PAGER_UpdateBtns(HWND hwnd, PAGER_INFO *infoPtr,
|
|
INT scrollRange, BOOL hideGrayBtns)
|
|
{
|
|
BOOL resizeClient = FALSE;
|
|
BOOL repaintBtns = FALSE;
|
|
|
|
if (scrollRange < 0)
|
|
PAGER_NormalizeBtns(infoPtr, &repaintBtns);
|
|
else
|
|
PAGER_GrayAndRestoreBtns(infoPtr, scrollRange, &resizeClient, &repaintBtns);
|
|
|
|
if (hideGrayBtns)
|
|
PAGER_HideGrayBtns(infoPtr, &resizeClient);
|
|
|
|
if (resizeClient) /* initiate NCCalcSize to resize client wnd */ {
|
|
SetWindowPos(hwnd, 0,0,0,0,0,
|
|
SWP_FRAMECHANGED | SWP_NOSIZE | SWP_NOMOVE |
|
|
SWP_NOZORDER | SWP_NOACTIVATE);
|
|
}
|
|
|
|
if (repaintBtns)
|
|
SendMessageA(hwnd, WM_NCPAINT, 0, 0);
|
|
}
|
|
|
|
static LRESULT
|
|
PAGER_SetPos(HWND hwnd, INT newPos, BOOL fromBtnPress)
|
|
{
|
|
PAGER_INFO *infoPtr = PAGER_GetInfoPtr (hwnd);
|
|
INT scrollRange = PAGER_GetScrollRange(hwnd, infoPtr);
|
|
INT oldPos = infoPtr->nPos;
|
|
|
|
if ((scrollRange <= 0) || (newPos < 0))
|
|
infoPtr->nPos = 0;
|
|
else if (newPos > scrollRange)
|
|
infoPtr->nPos = scrollRange;
|
|
else
|
|
infoPtr->nPos = newPos;
|
|
|
|
TRACE("[%08x] pos=%d, oldpos=%d\n", hwnd, infoPtr->nPos, oldPos);
|
|
|
|
if (infoPtr->nPos != oldPos)
|
|
{
|
|
/* gray and restore btns, and if from WM_SETPOS, hide the gray btns */
|
|
PAGER_UpdateBtns(hwnd, infoPtr, scrollRange, !fromBtnPress);
|
|
PAGER_PositionChildWnd(hwnd, infoPtr);
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static LRESULT
|
|
PAGER_HandleWindowPosChanging(HWND hwnd, WPARAM wParam, WINDOWPOS *winpos)
|
|
{
|
|
PAGER_INFO *infoPtr = PAGER_GetInfoPtr (hwnd);
|
|
|
|
if (infoPtr->bNoResize && !(winpos->flags & SWP_NOSIZE))
|
|
{
|
|
/* don't let the app resize the nonscrollable dimension of a control
|
|
* that was created with CCS_NORESIZE style
|
|
* (i.e. height for a horizontal pager, or width for a vertical one) */
|
|
|
|
/* except if the current dimension is 0 and app is setting for
|
|
* first time, then save amount as dimension. - GA 8/01 */
|
|
|
|
if (PAGER_IsHorizontal(hwnd))
|
|
if (!infoPtr->nHeight && winpos->cy)
|
|
infoPtr->nHeight = winpos->cy;
|
|
else
|
|
winpos->cy = infoPtr->nHeight;
|
|
else
|
|
if (!infoPtr->nWidth && winpos->cx)
|
|
infoPtr->nWidth = winpos->cx;
|
|
else
|
|
winpos->cx = infoPtr->nWidth;
|
|
return 0;
|
|
}
|
|
|
|
DefWindowProcA (hwnd, WM_WINDOWPOSCHANGING, wParam, (LPARAM)winpos);
|
|
|
|
return 1;
|
|
}
|
|
|
|
static INT
|
|
PAGER_SetFixedWidth(HWND hwnd, PAGER_INFO* infoPtr)
|
|
{
|
|
/* Must set the non-scrollable dimension to be less than the full height/width
|
|
* so that NCCalcSize is called. The Msoft docs mention 3/4 factor for button
|
|
* size, and experimentation shows that affect is almost right. */
|
|
|
|
RECT wndRect;
|
|
INT delta, h;
|
|
GetWindowRect(hwnd, &wndRect);
|
|
|
|
/* see what the app says for btn width */
|
|
PAGER_CalcSize(hwnd, &infoPtr->nWidth, TRUE);
|
|
|
|
if (infoPtr->bNoResize)
|
|
{
|
|
delta = wndRect.right - wndRect.left - infoPtr->nWidth;
|
|
if (delta > infoPtr->nButtonSize)
|
|
infoPtr->nWidth += 4 * infoPtr->nButtonSize / 3;
|
|
else if (delta > 0)
|
|
infoPtr->nWidth += infoPtr->nButtonSize / 3;
|
|
}
|
|
|
|
h = wndRect.bottom - wndRect.top + infoPtr->nButtonSize;
|
|
|
|
TRACE("[%08x] infoPtr->nWidth set to %d\n",
|
|
hwnd, infoPtr->nWidth);
|
|
|
|
return h;
|
|
}
|
|
|
|
static INT
|
|
PAGER_SetFixedHeight(HWND hwnd, PAGER_INFO* infoPtr)
|
|
{
|
|
/* Must set the non-scrollable dimension to be less than the full height/width
|
|
* so that NCCalcSize is called. The Msoft docs mention 3/4 factor for button
|
|
* size, and experimentation shows that affect is almost right. */
|
|
|
|
RECT wndRect;
|
|
INT delta, w;
|
|
GetWindowRect(hwnd, &wndRect);
|
|
|
|
/* see what the app says for btn height */
|
|
PAGER_CalcSize(hwnd, &infoPtr->nHeight, FALSE);
|
|
|
|
if (infoPtr->bNoResize)
|
|
{
|
|
delta = wndRect.bottom - wndRect.top - infoPtr->nHeight;
|
|
if (delta > infoPtr->nButtonSize)
|
|
infoPtr->nHeight += infoPtr->nButtonSize;
|
|
else if (delta > 0)
|
|
infoPtr->nHeight += infoPtr->nButtonSize / 3;
|
|
}
|
|
|
|
w = wndRect.right - wndRect.left + infoPtr->nButtonSize;
|
|
|
|
TRACE("[%08x] infoPtr->nHeight set to %d\n",
|
|
hwnd, infoPtr->nHeight);
|
|
|
|
return w;
|
|
}
|
|
|
|
/******************************************************************
|
|
* For the PGM_RECALCSIZE message (but not the other uses in *
|
|
* this module), the native control does only the following: *
|
|
* *
|
|
* if (some condition) *
|
|
* PostMessageA(hwnd, EM_FMTLINES, 0, 0); *
|
|
* return DefWindowProcA(hwnd, PGM_RECALCSIZE, 0, 0); *
|
|
* *
|
|
* When we figure out what the "some condition" is we will *
|
|
* implement that for the message processing. *
|
|
******************************************************************/
|
|
|
|
static LRESULT
|
|
PAGER_RecalcSize(HWND hwnd)
|
|
{
|
|
PAGER_INFO *infoPtr = PAGER_GetInfoPtr (hwnd);
|
|
|
|
TRACE("[%08x]\n", hwnd);
|
|
|
|
if (infoPtr->hwndChild)
|
|
{
|
|
INT scrollRange = PAGER_GetScrollRange(hwnd, infoPtr);
|
|
|
|
if (scrollRange <= 0)
|
|
{
|
|
infoPtr->nPos = -1;
|
|
PAGER_SetPos(hwnd, 0, FALSE);
|
|
}
|
|
else
|
|
{
|
|
PAGER_UpdateBtns(hwnd, infoPtr, scrollRange, TRUE);
|
|
PAGER_PositionChildWnd(hwnd, infoPtr);
|
|
}
|
|
}
|
|
|
|
return 1;
|
|
}
|
|
|
|
|
|
static LRESULT
|
|
PAGER_SetBkColor (HWND hwnd, WPARAM wParam, LPARAM lParam)
|
|
{
|
|
PAGER_INFO *infoPtr = PAGER_GetInfoPtr (hwnd);
|
|
COLORREF clrTemp = infoPtr->clrBk;
|
|
|
|
infoPtr->clrBk = (COLORREF)lParam;
|
|
TRACE("[%08x] %06lx\n", hwnd, infoPtr->clrBk);
|
|
|
|
/* the native control seems to do things this way */
|
|
SetWindowPos(hwnd, 0,0,0,0,0,
|
|
SWP_FRAMECHANGED | SWP_NOSIZE | SWP_NOMOVE |
|
|
SWP_NOZORDER | SWP_NOACTIVATE);
|
|
|
|
RedrawWindow(hwnd, 0, 0, RDW_ERASE | RDW_INVALIDATE);
|
|
|
|
return (LRESULT)clrTemp;
|
|
}
|
|
|
|
|
|
static LRESULT
|
|
PAGER_SetBorder (HWND hwnd, WPARAM wParam, LPARAM lParam)
|
|
{
|
|
PAGER_INFO *infoPtr = PAGER_GetInfoPtr (hwnd);
|
|
INT nTemp = infoPtr->nBorder;
|
|
|
|
infoPtr->nBorder = (INT)lParam;
|
|
TRACE("[%08x] %d\n", hwnd, infoPtr->nBorder);
|
|
|
|
PAGER_RecalcSize(hwnd);
|
|
|
|
return (LRESULT)nTemp;
|
|
}
|
|
|
|
|
|
static LRESULT
|
|
PAGER_SetButtonSize (HWND hwnd, WPARAM wParam, LPARAM lParam)
|
|
{
|
|
PAGER_INFO *infoPtr = PAGER_GetInfoPtr (hwnd);
|
|
INT nTemp = infoPtr->nButtonSize;
|
|
|
|
infoPtr->nButtonSize = (INT)lParam;
|
|
TRACE("[%08x] %d\n", hwnd, infoPtr->nButtonSize);
|
|
|
|
PAGER_RecalcSize(hwnd);
|
|
|
|
return (LRESULT)nTemp;
|
|
}
|
|
|
|
|
|
static LRESULT
|
|
PAGER_SetChild (HWND hwnd, WPARAM wParam, LPARAM lParam)
|
|
{
|
|
PAGER_INFO *infoPtr = PAGER_GetInfoPtr (hwnd);
|
|
INT hw;
|
|
|
|
infoPtr->hwndChild = IsWindow ((HWND)lParam) ? (HWND)lParam : 0;
|
|
|
|
if (infoPtr->hwndChild)
|
|
{
|
|
TRACE("[%08x] hwndChild=%08x\n", hwnd, infoPtr->hwndChild);
|
|
|
|
if (PAGER_IsHorizontal(hwnd)) {
|
|
hw = PAGER_SetFixedHeight(hwnd, infoPtr);
|
|
/* adjust non-scrollable dimension to fit the child */
|
|
SetWindowPos(hwnd, 0, 0,0, hw, infoPtr->nHeight,
|
|
SWP_FRAMECHANGED | SWP_NOMOVE | SWP_NOZORDER |
|
|
SWP_NOSIZE | SWP_NOACTIVATE);
|
|
}
|
|
else {
|
|
hw = PAGER_SetFixedWidth(hwnd, infoPtr);
|
|
/* adjust non-scrollable dimension to fit the child */
|
|
SetWindowPos(hwnd, 0, 0,0, infoPtr->nWidth, hw,
|
|
SWP_FRAMECHANGED | SWP_NOMOVE | SWP_NOZORDER |
|
|
SWP_NOSIZE | SWP_NOACTIVATE);
|
|
}
|
|
|
|
/* position child within the page scroller */
|
|
SetWindowPos(infoPtr->hwndChild, HWND_TOP,
|
|
0,0,0,0,
|
|
SWP_SHOWWINDOW | SWP_NOSIZE); /* native is 0 */
|
|
|
|
infoPtr->nPos = -1;
|
|
PAGER_SetPos(hwnd, 0, FALSE);
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void
|
|
PAGER_Scroll(HWND hwnd, INT dir)
|
|
{
|
|
PAGER_INFO *infoPtr = PAGER_GetInfoPtr (hwnd);
|
|
NMPGSCROLL nmpgScroll;
|
|
RECT rcWnd;
|
|
|
|
if (infoPtr->hwndChild)
|
|
{
|
|
ZeroMemory (&nmpgScroll, sizeof (NMPGSCROLL));
|
|
nmpgScroll.hdr.hwndFrom = hwnd;
|
|
nmpgScroll.hdr.idFrom = GetWindowLongA (hwnd, GWL_ID);
|
|
nmpgScroll.hdr.code = PGN_SCROLL;
|
|
|
|
GetWindowRect(hwnd, &rcWnd);
|
|
GetClientRect(hwnd, &nmpgScroll.rcParent);
|
|
nmpgScroll.iXpos = nmpgScroll.iYpos = 0;
|
|
nmpgScroll.iDir = dir;
|
|
|
|
if (PAGER_IsHorizontal(hwnd))
|
|
{
|
|
nmpgScroll.iScroll = rcWnd.right - rcWnd.left;
|
|
nmpgScroll.iXpos = infoPtr->nPos;
|
|
}
|
|
else
|
|
{
|
|
nmpgScroll.iScroll = rcWnd.bottom - rcWnd.top;
|
|
nmpgScroll.iYpos = infoPtr->nPos;
|
|
}
|
|
nmpgScroll.iScroll -= 2*infoPtr->nButtonSize;
|
|
|
|
SendMessageA (GetParent(hwnd), WM_NOTIFY,
|
|
(WPARAM)nmpgScroll.hdr.idFrom, (LPARAM)&nmpgScroll);
|
|
|
|
TRACE("[%08x] PGN_SCROLL returns iScroll=%d\n", hwnd, nmpgScroll.iScroll);
|
|
|
|
if (nmpgScroll.iScroll > 0)
|
|
{
|
|
infoPtr->direction = dir;
|
|
|
|
if (dir == PGF_SCROLLLEFT || dir == PGF_SCROLLUP)
|
|
PAGER_SetPos(hwnd, infoPtr->nPos - nmpgScroll.iScroll, TRUE);
|
|
else
|
|
PAGER_SetPos(hwnd, infoPtr->nPos + nmpgScroll.iScroll, TRUE);
|
|
}
|
|
else
|
|
infoPtr->direction = -1;
|
|
}
|
|
}
|
|
|
|
static LRESULT
|
|
PAGER_FmtLines(HWND hwnd)
|
|
{
|
|
PAGER_INFO *infoPtr = PAGER_GetInfoPtr (hwnd);
|
|
|
|
/* initiate NCCalcSize to resize client wnd and get size */
|
|
SetWindowPos(hwnd, 0, 0,0,0,0,
|
|
SWP_FRAMECHANGED | SWP_NOSIZE | SWP_NOMOVE |
|
|
SWP_NOZORDER | SWP_NOACTIVATE);
|
|
|
|
SetWindowPos(infoPtr->hwndChild, 0,
|
|
0,0,infoPtr->nWidth,infoPtr->nHeight,
|
|
0);
|
|
|
|
return DefWindowProcA (hwnd, EM_FMTLINES, 0, 0);
|
|
}
|
|
|
|
static LRESULT
|
|
PAGER_Create (HWND hwnd, WPARAM wParam, LPARAM lParam)
|
|
{
|
|
PAGER_INFO *infoPtr;
|
|
DWORD dwStyle = GetWindowLongA (hwnd, GWL_STYLE);
|
|
|
|
/* allocate memory for info structure */
|
|
infoPtr = (PAGER_INFO *)COMCTL32_Alloc (sizeof(PAGER_INFO));
|
|
SetWindowLongA (hwnd, 0, (DWORD)infoPtr);
|
|
|
|
/* set default settings */
|
|
infoPtr->hwndChild = (HWND)NULL;
|
|
infoPtr->bNoResize = dwStyle & CCS_NORESIZE;
|
|
infoPtr->clrBk = GetSysColor(COLOR_BTNFACE);
|
|
infoPtr->nBorder = 0;
|
|
infoPtr->nButtonSize = 12;
|
|
infoPtr->nPos = 0;
|
|
infoPtr->nWidth = 0;
|
|
infoPtr->nHeight = 0;
|
|
infoPtr->bForward = FALSE;
|
|
infoPtr->bCapture = FALSE;
|
|
infoPtr->TLbtnState = PGF_INVISIBLE;
|
|
infoPtr->BRbtnState = PGF_INVISIBLE;
|
|
infoPtr->direction = -1;
|
|
|
|
if (dwStyle & PGS_DRAGNDROP)
|
|
FIXME("[%08x] Drag and Drop style is not implemented yet.\n", hwnd);
|
|
/*
|
|
* If neither horizontal nor vertical style specified, default to vertical.
|
|
* This is probably not necessary, since the style may be set later on as
|
|
* the control is initialized, but just in case it isn't, set it here.
|
|
*/
|
|
if (!(dwStyle & PGS_HORZ) && !(dwStyle & PGS_VERT))
|
|
{
|
|
dwStyle |= PGS_VERT;
|
|
SetWindowLongA(hwnd, GWL_STYLE, dwStyle);
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
|
|
static LRESULT
|
|
PAGER_Destroy (HWND hwnd, WPARAM wParam, LPARAM lParam)
|
|
{
|
|
PAGER_INFO *infoPtr = PAGER_GetInfoPtr (hwnd);
|
|
/* free pager info data */
|
|
COMCTL32_Free (infoPtr);
|
|
SetWindowLongA (hwnd, 0, 0);
|
|
return 0;
|
|
}
|
|
|
|
static LRESULT
|
|
PAGER_NCCalcSize(HWND hwnd, WPARAM wParam, LPARAM lParam)
|
|
{
|
|
PAGER_INFO *infoPtr = PAGER_GetInfoPtr (hwnd);
|
|
LPRECT lpRect = (LPRECT)lParam;
|
|
RECT rcChildw, rcmyw, wnrc, ltrc, rbrc;
|
|
POINT cursor;
|
|
BOOL resizeClient = FALSE;
|
|
BOOL repaintBtns = FALSE;
|
|
INT scrollRange;
|
|
|
|
/*
|
|
* lParam points to a RECT struct. On entry, the struct
|
|
* contains the proposed wnd rectangle for the window.
|
|
* On exit, the struct should contain the screen
|
|
* coordinates of the corresponding window's client area.
|
|
*/
|
|
|
|
DefWindowProcA (hwnd, WM_NCCALCSIZE, wParam, lParam);
|
|
|
|
TRACE("orig rect=(%d,%d)-(%d,%d)\n",
|
|
lpRect->left, lpRect->top, lpRect->right, lpRect->bottom);
|
|
|
|
if (PAGER_IsHorizontal(hwnd))
|
|
{
|
|
infoPtr->nWidth = lpRect->right - lpRect->left;
|
|
PAGER_CalcSize (hwnd, &infoPtr->nWidth, TRUE);
|
|
GetWindowRect (infoPtr->hwndChild, &rcChildw);
|
|
MapWindowPoints (0, hwnd, (LPPOINT)&rcChildw, 2);
|
|
GetCursorPos (&cursor);
|
|
GetWindowRect (hwnd, &rcmyw);
|
|
|
|
/* Reset buttons and hide any grey ones */
|
|
scrollRange = infoPtr->nWidth - (rcmyw.right - rcmyw.left);
|
|
|
|
TRACE("nPos=%d, scrollrange=%d, nHeigth=%d, myw=(%d,%d)-(%d,%d), cursor=(%ld,%ld)\n",
|
|
infoPtr->nPos, scrollRange, infoPtr->nHeight,
|
|
rcmyw.left, rcmyw.top,
|
|
rcmyw.right, rcmyw.bottom,
|
|
cursor.x, cursor.y);
|
|
PAGER_GrayAndRestoreBtns(infoPtr, scrollRange, &resizeClient, &repaintBtns);
|
|
PAGER_HideGrayBtns(infoPtr, &resizeClient);
|
|
|
|
if (PtInRect (&rcmyw, cursor)) {
|
|
GetWindowRect (hwnd, &wnrc);
|
|
ltrc = wnrc;
|
|
ltrc.right = ltrc.left + infoPtr->nButtonSize;
|
|
rbrc = wnrc;
|
|
rbrc.left = rbrc.right - infoPtr->nButtonSize;
|
|
TRACE("horz lt rect=(%d,%d)-(%d,%d), rb rect=(%d,%d)-(%d,%d)\n",
|
|
ltrc.left, ltrc.top, ltrc.right, ltrc.bottom,
|
|
rbrc.left, rbrc.top, rbrc.right, rbrc.bottom);
|
|
if (PtInRect (<rc, cursor) && infoPtr->TLbtnState)
|
|
RedrawWindow (hwnd, 0, 0, RDW_INVALIDATE | RDW_ERASE);
|
|
if (PtInRect (&rbrc, cursor) && infoPtr->BRbtnState)
|
|
RedrawWindow (hwnd, 0, 0, RDW_INVALIDATE | RDW_ERASE);
|
|
}
|
|
if (infoPtr->TLbtnState && (lpRect->left + infoPtr->nButtonSize < lpRect->right))
|
|
lpRect->left += infoPtr->nButtonSize;
|
|
if (infoPtr->BRbtnState && (lpRect->right - infoPtr->nButtonSize > lpRect->left))
|
|
lpRect->right -= infoPtr->nButtonSize;
|
|
}
|
|
else
|
|
{
|
|
/* native does: (from trace of IE4 opening "Favorites" frame)
|
|
* DefWindowProc
|
|
* WM_NOITFY PGN_CALCSIZE w/ dwFlag=2
|
|
* GetWindowRect (child, &rc)
|
|
* MapWindowPoints (0, syspager, &rc, 2)
|
|
* GetCursorPos( &cur )
|
|
* GetWindowRect (syspager, &rc2)
|
|
* PtInRect (&rc2, cur.x, cur.y) rtns 0
|
|
* returns with rect empty
|
|
*/
|
|
infoPtr->nHeight = lpRect->bottom - lpRect->top;
|
|
PAGER_CalcSize (hwnd, &infoPtr->nHeight, FALSE);
|
|
GetWindowRect (infoPtr->hwndChild, &rcChildw);
|
|
MapWindowPoints (0, hwnd, (LPPOINT)&rcChildw, 2);
|
|
GetCursorPos (&cursor);
|
|
GetWindowRect (hwnd, &rcmyw);
|
|
|
|
/* Reset buttons and hide any grey ones */
|
|
scrollRange = infoPtr->nHeight - (rcmyw.bottom - rcmyw.top);
|
|
|
|
TRACE("nPos=%d, scrollrange=%d, nHeigth=%d, myw=(%d,%d)-(%d,%d), cursor=(%ld,%ld)\n",
|
|
infoPtr->nPos, scrollRange, infoPtr->nHeight,
|
|
rcmyw.left, rcmyw.top,
|
|
rcmyw.right, rcmyw.bottom,
|
|
cursor.x, cursor.y);
|
|
PAGER_GrayAndRestoreBtns(infoPtr, scrollRange, &resizeClient, &repaintBtns);
|
|
PAGER_HideGrayBtns(infoPtr, &resizeClient);
|
|
|
|
if (PtInRect (&rcmyw, cursor)) {
|
|
|
|
/* native does:
|
|
* GetWindowRect(pager, &rc)
|
|
* PtInRect(btn-left????, cur.x, cur.y)
|
|
* if true -> ???
|
|
* PtInRect(btn-right????, cur.x, cur.y)
|
|
* if true
|
|
* RedrawWindow(pager, 0, 0, 5)
|
|
* return TRUE
|
|
*/
|
|
|
|
GetWindowRect (hwnd, &wnrc);
|
|
ltrc = wnrc;
|
|
ltrc.right = ltrc.left + infoPtr->nButtonSize;
|
|
rbrc = wnrc;
|
|
rbrc.left = rbrc.right - infoPtr->nButtonSize;
|
|
TRACE("vert lt rect=(%d,%d)-(%d,%d), rb rect=(%d,%d)-(%d,%d)\n",
|
|
ltrc.left, ltrc.top, ltrc.right, ltrc.bottom,
|
|
rbrc.left, rbrc.top, rbrc.right, rbrc.bottom);
|
|
if (PtInRect (<rc, cursor) && infoPtr->TLbtnState)
|
|
RedrawWindow (hwnd, 0, 0, RDW_INVALIDATE | RDW_ERASE);
|
|
if (PtInRect (&rbrc, cursor) && infoPtr->BRbtnState)
|
|
RedrawWindow (hwnd, 0, 0, RDW_INVALIDATE | RDW_ERASE);
|
|
}
|
|
if (infoPtr->TLbtnState && (lpRect->top + infoPtr->nButtonSize < lpRect->bottom))
|
|
lpRect->top += infoPtr->nButtonSize;
|
|
if (infoPtr->BRbtnState && (lpRect->bottom - infoPtr->nButtonSize > lpRect->top))
|
|
lpRect->bottom -= infoPtr->nButtonSize;
|
|
/* ???? */
|
|
if ((lpRect->bottom < 0) || (lpRect->bottom > infoPtr->nHeight))
|
|
lpRect->bottom = infoPtr->nHeight;
|
|
}
|
|
|
|
TRACE("[%08x] client rect set to %dx%d at (%d,%d) BtnState[%d,%d]\n",
|
|
hwnd, lpRect->right-lpRect->left, lpRect->bottom-lpRect->top,
|
|
lpRect->left, lpRect->top,
|
|
infoPtr->TLbtnState, infoPtr->BRbtnState);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static LRESULT
|
|
PAGER_NCPaint (HWND hwnd, WPARAM wParam, LPARAM lParam)
|
|
{
|
|
PAGER_INFO* infoPtr = PAGER_GetInfoPtr(hwnd);
|
|
DWORD dwStyle = GetWindowLongA (hwnd, GWL_STYLE);
|
|
RECT rcWindow, rcBottomRight, rcTopLeft;
|
|
HDC hdc;
|
|
BOOL bHorizontal = PAGER_IsHorizontal(hwnd);
|
|
|
|
if (dwStyle & WS_MINIMIZE)
|
|
return 0;
|
|
|
|
DefWindowProcA (hwnd, WM_NCPAINT, wParam, lParam);
|
|
|
|
if (!(hdc = GetDCEx (hwnd, 0, DCX_USESTYLE | DCX_WINDOW)))
|
|
return 0;
|
|
|
|
GetWindowRect (hwnd, &rcWindow);
|
|
OffsetRect (&rcWindow, -rcWindow.left, -rcWindow.top);
|
|
|
|
rcTopLeft = rcBottomRight = rcWindow;
|
|
if (bHorizontal)
|
|
{
|
|
rcTopLeft.right = rcTopLeft.left + infoPtr->nButtonSize;
|
|
rcBottomRight.left = rcBottomRight.right - infoPtr->nButtonSize;
|
|
}
|
|
else
|
|
{
|
|
rcTopLeft.bottom = rcTopLeft.top + infoPtr->nButtonSize;
|
|
rcBottomRight.top = rcBottomRight.bottom - infoPtr->nButtonSize;
|
|
}
|
|
|
|
PAGER_DrawButton(hdc, infoPtr->clrBk, rcTopLeft,
|
|
bHorizontal, TRUE, infoPtr->TLbtnState);
|
|
PAGER_DrawButton(hdc, infoPtr->clrBk, rcBottomRight,
|
|
bHorizontal, FALSE, infoPtr->BRbtnState);
|
|
|
|
ReleaseDC( hwnd, hdc );
|
|
return 0;
|
|
}
|
|
|
|
static INT
|
|
PAGER_HitTest (HWND hwnd, LPPOINT pt)
|
|
{
|
|
PAGER_INFO *infoPtr = PAGER_GetInfoPtr (hwnd);
|
|
RECT clientRect;
|
|
BOOL bHorizontal = PAGER_IsHorizontal(hwnd);
|
|
|
|
GetClientRect (hwnd, &clientRect);
|
|
|
|
if (PtInRect(&clientRect, *pt))
|
|
{
|
|
TRACE("HTCLIENT\n");
|
|
return HTCLIENT;
|
|
}
|
|
|
|
if (infoPtr->TLbtnState && infoPtr->TLbtnState != PGF_GRAYED)
|
|
{
|
|
if (bHorizontal)
|
|
{
|
|
if (pt->x < clientRect.left)
|
|
{
|
|
TRACE("HTLEFT\n");
|
|
return HTLEFT;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
if (pt->y < clientRect.top)
|
|
{
|
|
TRACE("HTTOP\n");
|
|
return HTTOP;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (infoPtr->BRbtnState && infoPtr->BRbtnState != PGF_GRAYED)
|
|
{
|
|
if (bHorizontal)
|
|
{
|
|
if (pt->x > clientRect.right)
|
|
{
|
|
TRACE("HTRIGHT\n");
|
|
return HTRIGHT;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
if (pt->y > clientRect.bottom)
|
|
{
|
|
TRACE("HTBOTTOM\n");
|
|
return HTBOTTOM;
|
|
}
|
|
}
|
|
}
|
|
|
|
TRACE("HTNOWHERE\n");
|
|
return HTNOWHERE;
|
|
}
|
|
|
|
static LRESULT
|
|
PAGER_NCHitTest (HWND hwnd, WPARAM wParam, LPARAM lParam)
|
|
{
|
|
POINT pt;
|
|
|
|
pt.x = SLOWORD(lParam);
|
|
pt.y = SHIWORD(lParam);
|
|
|
|
ScreenToClient (hwnd, &pt);
|
|
return PAGER_HitTest(hwnd, &pt);
|
|
}
|
|
|
|
static LRESULT
|
|
PAGER_SetCursor( HWND hwnd, WPARAM wParam, LPARAM lParam )
|
|
{
|
|
PAGER_INFO *infoPtr = PAGER_GetInfoPtr (hwnd);
|
|
BOOL notCaptured = FALSE;
|
|
|
|
switch(LOWORD(lParam))
|
|
{
|
|
case HTLEFT:
|
|
case HTTOP:
|
|
if ((notCaptured = infoPtr->TLbtnState != PGF_HOT))
|
|
infoPtr->TLbtnState = PGF_HOT;
|
|
break;
|
|
case HTRIGHT:
|
|
case HTBOTTOM:
|
|
if ((notCaptured = infoPtr->BRbtnState != PGF_HOT))
|
|
infoPtr->BRbtnState = PGF_HOT;
|
|
break;
|
|
default:
|
|
return FALSE;
|
|
}
|
|
|
|
if (notCaptured)
|
|
{
|
|
PAGER_CaptureandTrack(infoPtr, hwnd);
|
|
|
|
SendMessageA(hwnd, WM_NCPAINT, 0, 0);
|
|
}
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
static LRESULT
|
|
PAGER_MouseLeave (HWND hwnd, WPARAM wParam, LPARAM lParam)
|
|
{
|
|
PAGER_INFO *infoPtr = PAGER_GetInfoPtr (hwnd);
|
|
|
|
KillTimer (hwnd, TIMERID1);
|
|
KillTimer (hwnd, TIMERID2);
|
|
|
|
TRACE("[%08x] ReleaseCapture\n", hwnd);
|
|
ReleaseCapture();
|
|
infoPtr->bCapture = FALSE;
|
|
|
|
/* Notify parent of released mouse capture */
|
|
{
|
|
NMHDR nmhdr;
|
|
ZeroMemory (&nmhdr, sizeof (NMHDR));
|
|
nmhdr.hwndFrom = hwnd;
|
|
nmhdr.idFrom = GetWindowLongA (hwnd, GWL_ID);
|
|
nmhdr.code = NM_RELEASEDCAPTURE;
|
|
SendMessageA (GetParent(hwnd), WM_NOTIFY,
|
|
(WPARAM)nmhdr.idFrom, (LPARAM)&nmhdr);
|
|
}
|
|
|
|
/* make HOT btns NORMAL and hide gray btns */
|
|
PAGER_UpdateBtns(hwnd, infoPtr, -1, TRUE);
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
static LRESULT
|
|
PAGER_MouseMove (HWND hwnd, WPARAM wParam, LPARAM lParam)
|
|
{
|
|
PAGER_INFO *infoPtr = PAGER_GetInfoPtr (hwnd);
|
|
POINT clpt, pt;
|
|
RECT wnrect, TLbtnrect, BRbtnrect, *btnrect = NULL;
|
|
DWORD dwStyle = GetWindowLongA (hwnd, GWL_STYLE);
|
|
BOOL topLeft = FALSE;
|
|
INT btnstate = 0;
|
|
INT hit;
|
|
HDC hdc;
|
|
|
|
pt.x = SLOWORD(lParam);
|
|
pt.y = SHIWORD(lParam);
|
|
|
|
TRACE("[%08x] to (%ld,%ld)\n", hwnd, pt.x, pt.y);
|
|
ClientToScreen(hwnd, &pt);
|
|
GetWindowRect(hwnd, &wnrect);
|
|
if (PtInRect(&wnrect, pt)) {
|
|
TLbtnrect = wnrect;
|
|
BRbtnrect = wnrect;
|
|
if (dwStyle & PGS_HORZ) {
|
|
TLbtnrect.right = TLbtnrect.left + infoPtr->nButtonSize;
|
|
BRbtnrect.left = BRbtnrect.right - infoPtr->nButtonSize;
|
|
}
|
|
else {
|
|
TLbtnrect.bottom = TLbtnrect.top + infoPtr->nButtonSize;
|
|
BRbtnrect.top = BRbtnrect.bottom - infoPtr->nButtonSize;
|
|
}
|
|
|
|
clpt = pt;
|
|
MapWindowPoints(0, hwnd, &clpt, 1);
|
|
hit = PAGER_HitTest(hwnd, &clpt);
|
|
if (hit == HTLEFT || hit == HTTOP) {
|
|
topLeft = TRUE;
|
|
btnrect = &TLbtnrect;
|
|
infoPtr->TLbtnState = PGF_DEPRESSED;
|
|
btnstate = infoPtr->TLbtnState;
|
|
}
|
|
else if (hit == HTRIGHT || hit == HTBOTTOM) {
|
|
topLeft = FALSE;
|
|
btnrect = &BRbtnrect;
|
|
infoPtr->BRbtnState = PGF_DEPRESSED;
|
|
btnstate = infoPtr->BRbtnState;
|
|
}
|
|
|
|
/* If in one of the buttons the capture and draw buttons */
|
|
if (btnrect) {
|
|
TRACE("[%08x] draw btn (%d,%d)-(%d,%d), Capture %s, style %08lx\n",
|
|
hwnd, btnrect->left, btnrect->top,
|
|
btnrect->right, btnrect->bottom,
|
|
(infoPtr->bCapture) ? "TRUE" : "FALSE",
|
|
dwStyle);
|
|
if (!infoPtr->bCapture)
|
|
PAGER_CaptureandTrack(infoPtr, hwnd);
|
|
if (dwStyle & PGS_AUTOSCROLL)
|
|
SetTimer(hwnd, TIMERID1, 0x3e, 0);
|
|
MapWindowPoints(0, hwnd, (LPPOINT)btnrect, 2);
|
|
hdc = GetWindowDC(hwnd);
|
|
/* OffsetRect(wnrect, 0 | 1, 0 | 1) */
|
|
PAGER_DrawButton(hdc, infoPtr->clrBk, *btnrect,
|
|
PAGER_IsHorizontal(hwnd), topLeft, btnstate);
|
|
ReleaseDC(hwnd, hdc);
|
|
return DefWindowProcA (hwnd, WM_MOUSEMOVE, wParam, lParam);
|
|
}
|
|
}
|
|
|
|
/* If we think we are captured, then do release */
|
|
if (infoPtr->bCapture) {
|
|
infoPtr->bCapture = FALSE;
|
|
|
|
if (GetCapture() == hwnd) {
|
|
ReleaseCapture();
|
|
/* Notify parent of released mouse capture */
|
|
{
|
|
NMHDR nmhdr;
|
|
ZeroMemory (&nmhdr, sizeof (NMHDR));
|
|
nmhdr.hwndFrom = hwnd;
|
|
nmhdr.idFrom = GetWindowLongA (hwnd, GWL_ID);
|
|
nmhdr.code = NM_RELEASEDCAPTURE;
|
|
SendMessageA (GetParent(hwnd), WM_NOTIFY,
|
|
(WPARAM)nmhdr.idFrom, (LPARAM)&nmhdr);
|
|
}
|
|
}
|
|
if (IsWindow(hwnd))
|
|
KillTimer(hwnd, TIMERID1);
|
|
}
|
|
return DefWindowProcA (hwnd, WM_MOUSEMOVE, wParam, lParam);
|
|
}
|
|
|
|
static LRESULT
|
|
PAGER_LButtonDown (HWND hwnd, WPARAM wParam, LPARAM lParam)
|
|
{
|
|
PAGER_INFO *infoPtr = PAGER_GetInfoPtr (hwnd);
|
|
BOOL repaintBtns = FALSE;
|
|
POINT pt;
|
|
INT hit;
|
|
|
|
pt.x = SLOWORD(lParam);
|
|
pt.y = SHIWORD(lParam);
|
|
|
|
TRACE("[%08x] at (%d,%d)\n", hwnd, SLOWORD(lParam), SHIWORD(lParam));
|
|
|
|
hit = PAGER_HitTest(hwnd, &pt);
|
|
|
|
/* put btn in DEPRESSED state */
|
|
if (hit == HTLEFT || hit == HTTOP)
|
|
{
|
|
repaintBtns = infoPtr->TLbtnState != PGF_DEPRESSED;
|
|
infoPtr->TLbtnState = PGF_DEPRESSED;
|
|
SetTimer(hwnd, TIMERID1, INITIAL_DELAY, 0);
|
|
}
|
|
else if (hit == HTRIGHT || hit == HTBOTTOM)
|
|
{
|
|
repaintBtns = infoPtr->BRbtnState != PGF_DEPRESSED;
|
|
infoPtr->BRbtnState = PGF_DEPRESSED;
|
|
SetTimer(hwnd, TIMERID1, INITIAL_DELAY, 0);
|
|
}
|
|
|
|
if (repaintBtns)
|
|
SendMessageA(hwnd, WM_NCPAINT, 0, 0);
|
|
|
|
switch(hit)
|
|
{
|
|
case HTLEFT:
|
|
TRACE("[%08x] PGF_SCROLLLEFT\n", hwnd);
|
|
PAGER_Scroll(hwnd, PGF_SCROLLLEFT);
|
|
break;
|
|
case HTTOP:
|
|
TRACE("[%08x] PGF_SCROLLUP\n", hwnd);
|
|
PAGER_Scroll(hwnd, PGF_SCROLLUP);
|
|
break;
|
|
case HTRIGHT:
|
|
TRACE("[%08x] PGF_SCROLLRIGHT\n", hwnd);
|
|
PAGER_Scroll(hwnd, PGF_SCROLLRIGHT);
|
|
break;
|
|
case HTBOTTOM:
|
|
TRACE("[%08x] PGF_SCROLLDOWN\n", hwnd);
|
|
PAGER_Scroll(hwnd, PGF_SCROLLDOWN);
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
static LRESULT
|
|
PAGER_LButtonUp (HWND hwnd, WPARAM wParam, LPARAM lParam)
|
|
{
|
|
PAGER_INFO *infoPtr = PAGER_GetInfoPtr (hwnd);
|
|
TRACE("[%08x]\n", hwnd);
|
|
|
|
KillTimer (hwnd, TIMERID1);
|
|
KillTimer (hwnd, TIMERID2);
|
|
|
|
/* make PRESSED btns NORMAL but don't hide gray btns */
|
|
PAGER_UpdateBtns(hwnd, infoPtr, -1, FALSE);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static LRESULT
|
|
PAGER_NCLButtonDown (HWND hwnd, WPARAM wParam, LPARAM lParam)
|
|
{
|
|
POINT pt;
|
|
|
|
pt.x = SLOWORD(lParam);
|
|
pt.y = SHIWORD(lParam);
|
|
|
|
TRACE("[%08x] at (%d,%d)\n", hwnd, SLOWORD(lParam), SHIWORD(lParam));
|
|
MapWindowPoints(0, hwnd, &pt, 1);
|
|
lParam = MAKELONG(pt.x, pt.y);
|
|
return PAGER_LButtonDown (hwnd, wParam, lParam);
|
|
}
|
|
|
|
static LRESULT
|
|
PAGER_Timer (HWND hwnd, WPARAM wParam)
|
|
{
|
|
PAGER_INFO *infoPtr = PAGER_GetInfoPtr (hwnd);
|
|
DWORD dwStyle = GetWindowLongA (hwnd, GWL_STYLE);
|
|
INT dir;
|
|
|
|
/* if initial timer, kill it and start the repeat timer */
|
|
if (wParam == TIMERID1) {
|
|
if (PAGER_IsHorizontal(hwnd)) {
|
|
dir = (infoPtr->TLbtnState & PGF_DEPRESSED) ?
|
|
PGF_SCROLLLEFT : PGF_SCROLLRIGHT;
|
|
}
|
|
else {
|
|
dir = (infoPtr->TLbtnState & PGF_DEPRESSED) ?
|
|
PGF_SCROLLUP : PGF_SCROLLDOWN;
|
|
}
|
|
TRACE("[%08x] TIMERID1: style=%08lx, dir=%d\n", hwnd, dwStyle, dir);
|
|
KillTimer(hwnd, TIMERID1);
|
|
SetTimer(hwnd, TIMERID1, REPEAT_DELAY, 0);
|
|
if (dwStyle & PGS_AUTOSCROLL) {
|
|
PAGER_Scroll(hwnd, dir);
|
|
SetWindowPos(hwnd, 0,0,0,0,0,
|
|
SWP_FRAMECHANGED | SWP_NOSIZE | SWP_NOMOVE |
|
|
SWP_NOZORDER | SWP_NOACTIVATE);
|
|
}
|
|
return 0;
|
|
|
|
}
|
|
|
|
TRACE("[%08x] TIMERID2: dir=%d\n", hwnd, infoPtr->direction);
|
|
KillTimer(hwnd, TIMERID2);
|
|
if (infoPtr->direction > 0) {
|
|
PAGER_Scroll(hwnd, infoPtr->direction);
|
|
SetTimer(hwnd, TIMERID2, REPEAT_DELAY, 0);
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static LRESULT
|
|
PAGER_EraseBackground (HWND hwnd, WPARAM wParam, LPARAM lParam)
|
|
{
|
|
POINT pt, ptorig;
|
|
HDC hdc = (HDC)wParam;
|
|
HWND parent;
|
|
|
|
/* native does:
|
|
* parent = GetParent(pager)
|
|
* pt.x=0; pt.y=0; ?????
|
|
* MapWindowPoints(pager, parent, &pt, 1)
|
|
* OffsetWindowOrgEx(hdc, pt.x, pt.y, &ptorg)
|
|
* SendMessageA(parent, WM_ERASEBKGND, hdc, 0)
|
|
* SetWindowOrgEx(hdc, 0, 0, 0)
|
|
*/
|
|
|
|
pt.x = 0;
|
|
pt.y = 0;
|
|
parent = GetParent(hwnd);
|
|
MapWindowPoints(hwnd, parent, &pt, 1);
|
|
OffsetWindowOrgEx (hdc, pt.x, pt.y, &ptorig);
|
|
SendMessageA (parent, WM_ERASEBKGND, wParam, lParam);
|
|
SetWindowOrgEx (hdc, ptorig.x, ptorig.y, 0);
|
|
|
|
|
|
#if 0
|
|
PAGER_INFO *infoPtr = PAGER_GetInfoPtr (hwnd);
|
|
HBRUSH hBrush = CreateSolidBrush(infoPtr->clrBk);
|
|
RECT rect;
|
|
|
|
GetClientRect (hwnd, &rect);
|
|
FillRect ((HDC)wParam, &rect, hBrush);
|
|
|
|
/* background color of the child should be the same as the pager */
|
|
if (infoPtr->hwndChild)
|
|
{
|
|
GetClientRect (infoPtr->hwndChild, &rect);
|
|
FillRect ((HDC)wParam, &rect, hBrush);
|
|
}
|
|
|
|
DeleteObject (hBrush);
|
|
#endif
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
|
|
static LRESULT
|
|
PAGER_Size (HWND hwnd, WPARAM wParam, LPARAM lParam)
|
|
{
|
|
/* note that WM_SIZE is sent whenever NCCalcSize resizes the client wnd */
|
|
|
|
PAGER_INFO *infoPtr = PAGER_GetInfoPtr (hwnd);
|
|
TRACE("[%08x] %dx%d\n", hwnd, SLOWORD(lParam), SHIWORD(lParam));
|
|
|
|
if (PAGER_IsHorizontal(hwnd))
|
|
infoPtr->nHeight = SHIWORD(lParam);
|
|
else
|
|
infoPtr->nWidth = SLOWORD(lParam);
|
|
|
|
return PAGER_RecalcSize(hwnd);
|
|
}
|
|
|
|
|
|
static LRESULT WINAPI
|
|
PAGER_WindowProc (HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
|
|
{
|
|
PAGER_INFO *infoPtr = PAGER_GetInfoPtr (hwnd);
|
|
|
|
if (!infoPtr && (uMsg != WM_CREATE))
|
|
return DefWindowProcA (hwnd, uMsg, wParam, lParam);
|
|
|
|
switch (uMsg)
|
|
{
|
|
case EM_FMTLINES:
|
|
return PAGER_FmtLines(hwnd);
|
|
|
|
case PGM_FORWARDMOUSE:
|
|
return PAGER_ForwardMouse (hwnd, wParam);
|
|
|
|
case PGM_GETBKCOLOR:
|
|
return PAGER_GetBkColor(hwnd);
|
|
|
|
case PGM_GETBORDER:
|
|
return PAGER_GetBorder(hwnd);
|
|
|
|
case PGM_GETBUTTONSIZE:
|
|
return PAGER_GetButtonSize(hwnd);
|
|
|
|
case PGM_GETPOS:
|
|
return PAGER_GetPos(hwnd);
|
|
|
|
case PGM_GETBUTTONSTATE:
|
|
return PAGER_GetButtonState (hwnd, wParam, lParam);
|
|
|
|
/* case PGM_GETDROPTARGET: */
|
|
|
|
case PGM_RECALCSIZE:
|
|
return PAGER_RecalcSize(hwnd);
|
|
|
|
case PGM_SETBKCOLOR:
|
|
return PAGER_SetBkColor (hwnd, wParam, lParam);
|
|
|
|
case PGM_SETBORDER:
|
|
return PAGER_SetBorder (hwnd, wParam, lParam);
|
|
|
|
case PGM_SETBUTTONSIZE:
|
|
return PAGER_SetButtonSize (hwnd, wParam, lParam);
|
|
|
|
case PGM_SETCHILD:
|
|
return PAGER_SetChild (hwnd, wParam, lParam);
|
|
|
|
case PGM_SETPOS:
|
|
return PAGER_SetPos(hwnd, (INT)lParam, FALSE);
|
|
|
|
case WM_CREATE:
|
|
return PAGER_Create (hwnd, wParam, lParam);
|
|
|
|
case WM_DESTROY:
|
|
return PAGER_Destroy (hwnd, wParam, lParam);
|
|
|
|
case WM_SIZE:
|
|
return PAGER_Size (hwnd, wParam, lParam);
|
|
|
|
case WM_NCPAINT:
|
|
return PAGER_NCPaint (hwnd, wParam, lParam);
|
|
|
|
case WM_WINDOWPOSCHANGING:
|
|
return PAGER_HandleWindowPosChanging (hwnd, wParam, (WINDOWPOS*)lParam);
|
|
|
|
case WM_NCCALCSIZE:
|
|
return PAGER_NCCalcSize (hwnd, wParam, lParam);
|
|
|
|
case WM_NCHITTEST:
|
|
return PAGER_NCHitTest (hwnd, wParam, lParam);
|
|
|
|
case WM_SETCURSOR:
|
|
{
|
|
if (hwnd == (HWND)wParam)
|
|
return PAGER_SetCursor(hwnd, wParam, lParam);
|
|
else /* its for the child */
|
|
return 0;
|
|
}
|
|
|
|
case WM_MOUSEMOVE:
|
|
if (infoPtr->bForward && infoPtr->hwndChild)
|
|
PostMessageA(infoPtr->hwndChild, WM_MOUSEMOVE, wParam, lParam);
|
|
return PAGER_MouseMove (hwnd, wParam, lParam);
|
|
|
|
case WM_MOUSELEAVE:
|
|
return PAGER_MouseLeave (hwnd, wParam, lParam);
|
|
|
|
case WM_NCLBUTTONDOWN:
|
|
return PAGER_NCLButtonDown (hwnd, wParam, lParam);
|
|
|
|
case WM_LBUTTONDOWN:
|
|
return PAGER_LButtonDown (hwnd, wParam, lParam);
|
|
|
|
case WM_NCLBUTTONUP:
|
|
case WM_LBUTTONUP:
|
|
return PAGER_LButtonUp (hwnd, wParam, lParam);
|
|
|
|
case WM_ERASEBKGND:
|
|
return PAGER_EraseBackground (hwnd, wParam, lParam);
|
|
/*
|
|
case WM_PAINT:
|
|
return PAGER_Paint (hwnd, wParam);
|
|
*/
|
|
case WM_TIMER:
|
|
return PAGER_Timer (hwnd, wParam);
|
|
|
|
case WM_NOTIFY:
|
|
case WM_COMMAND:
|
|
return SendMessageA (GetParent (hwnd), uMsg, wParam, lParam);
|
|
|
|
default:
|
|
return DefWindowProcA (hwnd, uMsg, wParam, lParam);
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
|
|
VOID
|
|
PAGER_Register (void)
|
|
{
|
|
WNDCLASSA wndClass;
|
|
|
|
ZeroMemory (&wndClass, sizeof(WNDCLASSA));
|
|
wndClass.style = CS_GLOBALCLASS | CS_DBLCLKS | CS_SAVEBITS;
|
|
wndClass.lpfnWndProc = (WNDPROC)PAGER_WindowProc;
|
|
wndClass.cbClsExtra = 0;
|
|
wndClass.cbWndExtra = sizeof(PAGER_INFO *);
|
|
wndClass.hCursor = LoadCursorA (0, IDC_ARROWA);
|
|
wndClass.hbrBackground = 0;
|
|
wndClass.lpszClassName = WC_PAGESCROLLERA;
|
|
|
|
RegisterClassA (&wndClass);
|
|
}
|
|
|
|
|
|
VOID
|
|
PAGER_Unregister (void)
|
|
{
|
|
UnregisterClassA (WC_PAGESCROLLERA, (HINSTANCE)NULL);
|
|
}
|