diff options
Diffstat (limited to 'plugins/Clist_nicer/src/Coolsb/coolscroll.cpp')
| -rw-r--r-- | plugins/Clist_nicer/src/Coolsb/coolscroll.cpp | 3060 |
1 files changed, 0 insertions, 3060 deletions
diff --git a/plugins/Clist_nicer/src/Coolsb/coolscroll.cpp b/plugins/Clist_nicer/src/Coolsb/coolscroll.cpp deleted file mode 100644 index 80b0cd12c4..0000000000 --- a/plugins/Clist_nicer/src/Coolsb/coolscroll.cpp +++ /dev/null @@ -1,3060 +0,0 @@ -/*
- Cool Scrollbar Library Version 1.2
-
- Module: coolscroll.c
- Copyright (c) J Brown 2001
-
- This code is freeware, however, you may not publish
- this code elsewhere or charge any money for it. This code
- is supplied as-is. I make no guarantees about the suitability
- of this code - use at your own risk.
-
- It would be nice if you credited me, in the event
- that you use this code in a product.
-
- VERSION HISTORY:
-
- V1.2: TreeView problem fixed by Diego Tartara
- Small problem in thumbsize calculation also fixed (thanks Diego!)
-
- V1.1: Added support for Right-left windows
- Changed calling convention of APIs to WINAPI (__stdcall)
- Completely standalone (no need for c-runtime)
- Now supports ALL windows with appropriate USER32.DLL patching
- (you provide!!)
-
- V1.0: Apr 2001: Initial Version
-
- IMPORTANT:
- This whole library is based around code for a horizontal scrollbar.
- All "vertical" scrollbar drawing / mouse interaction uses the
- horizontal scrollbar functions, but uses a trick to convert the vertical
- scrollbar coordinates into horizontal equivelants. When I started this project,
- I quickly realised that the code for horz/vert bars was IDENTICAL, apart
- from the fact that horizontal code uses left/right coords, and vertical code
- uses top/bottom coords. On entry to a "vertical" drawing function, for example,
- the coordinates are "rotated" before the horizontal function is called, and
- then rotated back once the function has completed. When something needs to
- be drawn, the coords are converted back again before drawing.
-
- This trick greatly reduces the amount of code required, and makes
- maintanence much simpler. This way, only one function is needed to draw
- a scrollbar, but this can be used for both horizontal and vertical bars
- with careful thought.
-*/
-
-#include <commonheaders.h>
-#include "coolscroll.h"
-#include "userdefs.h"
-#include "coolsb_internal.h"
-
-//define some values if the new version of common controls
-//is not available.
-#ifndef NM_CUSTOMDRAW
-#define NM_CUSTOMDRAW (NM_FIRST-12)
-#define CDRF_DODEFAULT 0x0000
-#define CDRF_SKIPDEFAULT 0x0004
-#define CDDS_PREPAINT 0x0001
-#define CDDS_POSTPAINT 0x0002
-#endif
-
-//
-// Special thumb-tracking variables
-//
-//
-static UINT uCurrentScrollbar = COOLSB_NONE; //SB_HORZ / SB_VERT
-static UINT uCurrentScrollPortion = HTSCROLL_NONE;
-static UINT uCurrentButton = 0;
-
-static RECT rcThumbBounds; //area that the scroll thumb can travel in
-static int nThumbSize; //(pixels)
-static int nThumbPos; //(pixels)
-static int nThumbMouseOffset; //(pixels)
-static int nLastPos = -1; //(scrollbar units)
-static int nThumbPos0; //(pixels) initial thumb position
-
-//
-// Temporary state used to auto-generate timer messages
-//
-static UINT_PTR uMouseOverId = 0;
-static UINT uMouseOverScrollbar = COOLSB_NONE;
-static UINT uHitTestPortion = HTSCROLL_NONE;
-static UINT uLastHitTestPortion = HTSCROLL_NONE;
-static RECT MouseOverRect;
-
-static UINT uScrollTimerMsg = 0;
-static UINT uScrollTimerPortion = HTSCROLL_NONE;
-static UINT_PTR uScrollTimerId = 0;
-static HWND hwndCurCoolSB = 0;
-
-extern int CustomDrawScrollBars(NMCSBCUSTOMDRAW *nmcsbcd);
-
-LRESULT CALLBACK CoolSBWndProc(HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam);
-
-//
-// Provide this so there are NO dependencies on CRT
-//
-static void CoolSB_ZeroMemory(void *ptr, DWORD bytes)
-{
- BYTE *bptr = (BYTE *)ptr;
-
- while(bytes--) *bptr++ = 0;
-}
-
-BOOL WINAPI CoolSB_IsThumbTracking(HWND hwnd)
-{
- SCROLLWND *sw;
-
- if ((sw = GetScrollWndFromHwnd(hwnd)) == NULL)
- return FALSE;
- else
- return sw->fThumbTracking;
-}
-
-//
-// swap the rectangle's x coords with its y coords
-//
-static void __stdcall RotateRect(RECT *rect)
-{
- int temp;
- temp = rect->left;
- rect->left = rect->top;
- rect->top = temp;
-
- temp = rect->right;
- rect->right = rect->bottom;
- rect->bottom = temp;
-}
-
-//
-// swap the coords if the scrollbar is a SB_VERT
-//
-static void __stdcall RotateRect0(SCROLLBAR *sb, RECT *rect)
-{
- if (sb->nBarType == SB_VERT)
- RotateRect(rect);
-}
-
-//
-// Calculate if the SCROLLINFO members produce
-// an enabled or disabled scrollbar
-//
-static BOOL IsScrollInfoActive(SCROLLINFO *si)
-{
- if ((si->nPage > (UINT)si->nMax
- || si->nMax <= si->nMin || si->nMax == 0))
- return FALSE;
- else
- return TRUE;
-}
-
-//
-// Return if the specified scrollbar is enabled or not
-//
-static BOOL IsScrollbarActive(SCROLLBAR *sb)
-{
- SCROLLINFO *si = &sb->scrollInfo;
- if (((sb->fScrollFlags & ESB_DISABLE_BOTH) == ESB_DISABLE_BOTH) ||
- !(sb->fScrollFlags & CSBS_THUMBALWAYS) && !IsScrollInfoActive(si))
- return FALSE;
- else
- return TRUE;
-}
-
-//
-// Draw a standard scrollbar arrow
-//
-static int DrawScrollArrow(SCROLLBAR *sbar, HDC hdc, RECT *rect, UINT arrow, BOOL fMouseDown, BOOL fMouseOver)
-{
- UINT ret;
- UINT flags = arrow;
-
- //HACKY bit so this routine can be called by vertical and horizontal code
- if (sbar->nBarType == SB_VERT)
- {
- if (flags & DFCS_SCROLLLEFT) flags = flags & ~DFCS_SCROLLLEFT | DFCS_SCROLLUP;
- if (flags & DFCS_SCROLLRIGHT) flags = flags & ~DFCS_SCROLLRIGHT | DFCS_SCROLLDOWN;
- }
-
- if (fMouseDown) flags |= (DFCS_FLAT | DFCS_PUSHED);
-
-#ifdef FLAT_SCROLLBARS
- if (sbar->fFlatScrollbar != CSBS_NORMAL)
- {
- HDC hdcmem1, hdcmem2;
- HBITMAP hbm1, oldbm1;
- HBITMAP hbm2, oldbm2;
- RECT rc;
- int width, height;
-
- rc = *rect;
- width = rc.right-rc.left;
- height = rc.bottom-rc.top;
- SetRect(&rc, 0, 0, width, height);
-
- //MONOCHROME bitmap to convert the arrow to black/white mask
- hdcmem1 = CreateCompatibleDC(hdc);
- hbm1 = CreateBitmap(width, height, 1, 1, NULL);
- UnrealizeObject(hbm1);
- oldbm1 = reinterpret_cast<HBITMAP>(SelectObject(hdcmem1, hbm1));
-
-
- //NORMAL bitmap to draw the arrow into
- hdcmem2 = CreateCompatibleDC(hdc);
- hbm2 = CreateCompatibleBitmap(hdc, width, height);
- UnrealizeObject(hbm2);
- oldbm2 = reinterpret_cast<HBITMAP>(SelectObject(hdcmem2, hbm2));
-
-
- flags = flags & ~DFCS_PUSHED | DFCS_FLAT; //just in case
- DrawFrameControl(hdcmem2, &rc, DFC_SCROLL, flags);
-
-
-#ifndef HOT_TRACKING
- if (fMouseDown)
- {
- //uncomment these to make the cool scrollbars
- //look like the common controls flat scrollbars
- //fMouseDown = FALSE;
- //fMouseOver = TRUE;
- }
-#endif
- //draw a flat monochrome version of a scrollbar arrow (dark)
- if (fMouseDown)
- {
- SetBkColor(hdcmem2, GetSysColor(COLOR_BTNTEXT));
- BitBlt(hdcmem1, 0, 0, width, height, hdcmem2, 0, 0, SRCCOPY);
- SetBkColor(hdc, 0x00ffffff);
- SetTextColor(hdc, GetSysColor(COLOR_3DDKSHADOW));
- BitBlt(hdc, rect->left, rect->top, width, height, hdcmem1, 0, 0, SRCCOPY);
- }
- //draw a flat monochrome version of a scrollbar arrow (grey)
- else if (fMouseOver)
- {
- SetBkColor(hdcmem2, GetSysColor(COLOR_BTNTEXT));
- FillRect(hdcmem1, &rc, reinterpret_cast<HBRUSH>(GetStockObject(WHITE_BRUSH)));
- BitBlt(hdcmem1, 0, 0, width, height, hdcmem2, 0, 0, SRCINVERT);
-
- SetBkColor(hdc, GetSysColor(COLOR_3DSHADOW));
- SetTextColor(hdc, 0x00ffffff);
- BitBlt(hdc, rect->left, rect->top, width, height, hdcmem1, 0, 0, SRCCOPY);
- }
- //draw the arrow normally
- else
- {
- BitBlt(hdc, rect->left, rect->top, width, height, hdcmem2, 0, 0, SRCCOPY);
- }
-
- SelectObject(hdcmem1, oldbm1);
- SelectObject(hdcmem2, oldbm2);
- DeleteObject(hbm1);
- DeleteObject(hbm2);
- DeleteDC(hdcmem1);
- DeleteDC(hdcmem2);
-
- ret = 0;
- }
- else
-#endif
- ret = DrawFrameControl(hdc, rect, DFC_SCROLL, flags);
-
- return ret;
-}
-
-//
-// Return the size in pixels for the specified scrollbar metric,
-// for the specified scrollbar
-//
-static int GetScrollMetric(SCROLLBAR *sbar, int metric)
-{
- if (sbar->nBarType == SB_HORZ)
- {
- if (metric == SM_CXHORZSB)
- {
- if (sbar->nArrowLength < 0)
- return -sbar->nArrowLength * GetSystemMetrics(SM_CXHSCROLL);
- else
- return sbar->nArrowLength;
- }
- else
- {
- if (sbar->nArrowWidth < 0)
- return -sbar->nArrowWidth * GetSystemMetrics(SM_CYHSCROLL);
- else
- return sbar->nArrowWidth;
- }
- }
- else if (sbar->nBarType == SB_VERT)
- {
- if (metric == SM_CYVERTSB)
- {
- if (sbar->nArrowLength < 0)
- return -sbar->nArrowLength * GetSystemMetrics(SM_CYVSCROLL);
- else
- return sbar->nArrowLength;
- }
- else
- {
- if (sbar->nArrowWidth < 0)
- return -sbar->nArrowWidth * GetSystemMetrics(SM_CXVSCROLL);
- else
- return sbar->nArrowWidth;
- }
- }
-
- return 0;
-}
-
-//
-//
-//
-static COLORREF GetSBForeColor(void)
-{
- COLORREF c1 = GetSysColor(COLOR_3DHILIGHT);
- COLORREF c2 = GetSysColor(COLOR_WINDOW);
-
- if (c1 != 0xffffff && c1 == c2)
- {
- return GetSysColor(COLOR_BTNFACE);
- }
- else
- {
- return GetSysColor(COLOR_3DHILIGHT);
- }
-}
-
-static COLORREF GetSBBackColor(void)
-{
- return GetSysColor(COLOR_SCROLLBAR);
-}
-
-//
-// Paint a checkered rectangle, with each alternate
-// pixel being assigned a different colour
-//
-static void DrawCheckedRect(HDC hdc, RECT *rect, COLORREF fg, COLORREF bg)
-{
- static WORD wCheckPat[8] =
- {
- 0xaaaa, 0x5555, 0xaaaa, 0x5555, 0xaaaa, 0x5555, 0xaaaa, 0x5555
- };
-
- HBITMAP hbmp;
- HBRUSH hbr, hbrold;
- COLORREF fgold, bgold;
-
- hbmp = CreateBitmap(8, 8, 1, 1, wCheckPat);
- hbr = CreatePatternBrush(hbmp);
-
- UnrealizeObject(hbr);
- SetBrushOrgEx(hdc, rect->left, rect->top, 0);
-
- hbrold = (HBRUSH)SelectObject(hdc, hbr);
-
- fgold = SetTextColor(hdc, fg);
- bgold = SetBkColor(hdc, bg);
-
- PatBlt(hdc, rect->left, rect->top,
- rect->right - rect->left,
- rect->bottom - rect->top,
- PATCOPY);
-
- SetBkColor(hdc, bgold);
- SetTextColor(hdc, fgold);
-
- SelectObject(hdc, hbrold);
- DeleteObject(hbr);
- DeleteObject(hbmp);
-}
-
-//
-// Fill the specifed rectangle using a solid colour
-//
-static void PaintRect(HDC hdc, RECT *rect, COLORREF color)
-{
- COLORREF oldcol = SetBkColor(hdc, color);
- ExtTextOutA(hdc, 0, 0, ETO_OPAQUE, rect, "", 0, NULL);
- SetBkColor(hdc, oldcol);
-}
-
-//
-// Draw a simple blank scrollbar push-button. Can be used
-// to draw a push button, or the scrollbar thumb
-// drawflag - could set to BF_FLAT to make flat scrollbars
-//
-void DrawBlankButton(HDC hdc, const RECT *rect, UINT drawflag)
-{
- RECT rc = *rect;
-
-#ifndef FLAT_SCROLLBARS
- drawflag &= ~BF_FLAT;
-#endif
-
- DrawEdge(hdc, &rc, EDGE_RAISED, BF_RECT | drawflag | BF_ADJUST);
- FillRect(hdc, &rc, GetSysColorBrush(COLOR_BTNFACE));
-}
-
-//
-// Send a WM_VSCROLL or WM_HSCROLL message
-//
-static void SendScrollMessage(HWND hwnd, UINT scrMsg, UINT scrId, UINT pos)
-{
- SendMessage(hwnd, scrMsg, MAKEWPARAM(scrId, pos), 0);
-}
-
-//
-// Calculate the screen coordinates of the area taken by
-// the horizontal scrollbar. Take into account the size
-// of the window borders
-//
-static BOOL GetHScrollRect(SCROLLWND *sw, HWND hwnd, RECT *rect)
-{
- GetWindowRect(hwnd, rect);
-
- if (sw->fLeftScrollbar)
- {
- rect->left += sw->cxLeftEdge + (sw->sbarVert.fScrollVisible ?
- GetScrollMetric(&sw->sbarVert, SM_CXVERTSB) : 0);
- rect->right -= sw->cxRightEdge;
- }
- else
- {
- rect->left += sw->cxLeftEdge; //left window edge
-
- rect->right -= sw->cxRightEdge + //right window edge
- (sw->sbarVert.fScrollVisible ?
- GetScrollMetric(&sw->sbarVert, SM_CXVERTSB) : 0);
- }
-
- rect->bottom -= sw->cyBottomEdge; //bottom window edge
-
- rect->top = rect->bottom -
- (sw->sbarHorz.fScrollVisible ?
- GetScrollMetric(&sw->sbarHorz, SM_CYHORZSB) : 0);
-
- return TRUE;
-}
-
-//
-// Calculate the screen coordinates of the area taken by the
-// vertical scrollbar
-//
-static BOOL GetVScrollRect(SCROLLWND *sw, HWND hwnd, RECT *rect)
-{
- GetWindowRect(hwnd, rect);
- rect->top += sw->cyTopEdge; //top window edge
-
- rect->bottom -= sw->cyBottomEdge +
- (sw->sbarHorz.fScrollVisible ? //bottom window edge
- GetScrollMetric(&sw->sbarHorz, SM_CYHORZSB) : 0);
-
- if (sw->fLeftScrollbar)
- {
- rect->left += sw->cxLeftEdge;
- rect->right = rect->left + (sw->sbarVert.fScrollVisible ?
- GetScrollMetric(&sw->sbarVert, SM_CXVERTSB) : 0);
- }
- else
- {
- rect->right -= sw->cxRightEdge;
- rect->left = rect->right - (sw->sbarVert.fScrollVisible ?
- GetScrollMetric(&sw->sbarVert, SM_CXVERTSB) : 0);
- }
-
- return TRUE;
-}
-
-// Depending on what type of scrollbar nBar refers to, call the
-// appropriate Get?ScrollRect function
-//
-BOOL GetScrollRect(SCROLLWND *sw, UINT nBar, HWND hwnd, RECT *rect)
-{
- if (nBar == SB_HORZ)
- return GetHScrollRect(sw, hwnd, rect);
- else if (nBar == SB_VERT)
- return GetVScrollRect(sw, hwnd, rect);
- else
- return FALSE;
-}
-
-//
-// This code is a prime candidate for splitting out into a separate
-// file at some stage
-//
-#ifdef INCLUDE_BUTTONS
-
-//
-// Calculate the size in pixels of the specified button
-//
-static int GetSingleButSize(SCROLLBAR *sbar, SCROLLBUT *sbut)
-{
- //multiple of the system button size
- //or a specific button size
- if (sbut->nSize < 0)
- {
- if (sbar->nBarType == SB_HORZ)
- return -sbut->nSize * GetSystemMetrics(SM_CXHSCROLL);
- else
- return -sbut->nSize * GetSystemMetrics(SM_CYVSCROLL);
- }
- else
- return sbut->nSize;
-}
-
-//
-// Find the size in pixels of all the inserted buttons,
-// either before or after the specified scrollbar
-//
-static int GetButtonSize(SCROLLBAR *sbar, HWND hwnd, UINT uBeforeAfter)
-{
- int i;
- int nPixels = 0;
-
- SCROLLBUT *sbut = sbar->sbButtons;
-
- for (i = 0; i < sbar->nButtons; i++)
- {
- //only consider those buttons on the same side as nTopBottom says
- if (sbut[i].uPlacement == uBeforeAfter)
- {
- nPixels += GetSingleButSize(sbar, &sbut[i]);
- }
- }
-
- return nPixels;
-}
-#endif //INCLUDE_BUTTONS
-
-//
-// Work out the scrollbar width/height for either type of scrollbar (SB_HORZ/SB_VERT)
-// rect - coords of the scrollbar.
-// store results into *thumbsize and *thumbpos
-//
-static int CalcThumbSize(SCROLLBAR *sbar, const RECT *rect, int *pthumbsize, int *pthumbpos)
-{
- int scrollsize; //total size of the scrollbar including arrow buttons
- int workingsize; //working area (where the thumb can slide)
- int siMaxMin;
- int butsize;
- int startcoord;
- int thumbpos = 0, thumbsize = 0;
-
- static int count=0;
-
- //work out the width (for a horizontal) or the height (for a vertical)
- //of a standard scrollbar button
- butsize = GetScrollMetric(sbar, SM_SCROLL_LENGTH);
-
- scrollsize = rect->right - rect->left;
- startcoord = rect->left;
-
- SCROLLINFO *si = &sbar->scrollInfo;
- siMaxMin = si->nMax - si->nMin + 1;
- workingsize = scrollsize - butsize * 2;
-
- //
- // Work out the scrollbar thumb SIZE
- //
- if (si->nPage == 0)
- {
- thumbsize = butsize;
- }
- else if (siMaxMin > 0)
- {
- thumbsize = MulDiv(si->nPage, workingsize, siMaxMin);
-
- if (thumbsize < sbar->nMinThumbSize)
- thumbsize = sbar->nMinThumbSize;
- }
-
- //
- // Work out the scrollbar thumb position
- //
- if (siMaxMin > 0)
- {
- int pagesize = max(1, si->nPage);
- thumbpos = MulDiv(si->nPos - si->nMin, workingsize-thumbsize, siMaxMin - pagesize);
-
- if (thumbpos < 0)
- thumbpos = 0;
-
- if (thumbpos >= workingsize-thumbsize)
- thumbpos = workingsize-thumbsize;
- }
-
- thumbpos += startcoord + butsize;
-
- *pthumbpos = thumbpos;
- *pthumbsize = thumbsize;
-
- return 1;
-}
-
-//
-// return a hit-test value for whatever part of the scrollbar x,y is located in
-// rect, x, y: SCREEN coordinates
-// the rectangle must not include space for any inserted buttons
-// (i.e, JUST the scrollbar area)
-//
-static UINT GetHorzScrollPortion(SCROLLBAR *sbar, const RECT *rect, int x, int y)
-{
- int thumbwidth, thumbpos;
- int butwidth = GetScrollMetric(sbar, SM_SCROLL_LENGTH);
- int scrollwidth = rect->right-rect->left;
- int workingwidth = scrollwidth - butwidth*2;
-
- if (y < rect->top || y >= rect->bottom)
- return HTSCROLL_NONE;
-
- CalcThumbSize(sbar, rect, &thumbwidth, &thumbpos);
-
- //if we have had to scale the buttons to fit in the rect,
- //then adjust the button width accordingly
- if (scrollwidth <= butwidth * 2)
- {
- butwidth = scrollwidth / 2;
- }
-
- //check for left button click
- if (x >= rect->left && x < rect->left + butwidth)
- {
- return HTSCROLL_LEFT;
- }
- //check for right button click
- else if (x >= rect->right-butwidth && x < rect->right)
- {
- return HTSCROLL_RIGHT;
- }
-
- //if the thumb is too big to fit (i.e. it isn't visible)
- //then return a NULL scrollbar area
- if (thumbwidth >= workingwidth)
- return HTSCROLL_NONE;
-
- //check for point in the thumbbar
- if (x >= thumbpos && x < thumbpos+thumbwidth)
- {
- return HTSCROLL_THUMB;
- }
- //check for left margin
- else if (x >= rect->left+butwidth && x < thumbpos)
- {
- return HTSCROLL_PAGELEFT;
- }
- else if (x >= thumbpos+thumbwidth && x < rect->right-butwidth)
- {
- return HTSCROLL_PAGERIGHT;
- }
-
- return HTSCROLL_NONE;
-}
-
-//
-// For vertical scrollbars, rotate all coordinates by -90 degrees
-// so that we can use the horizontal version of this function
-//
-static UINT GetVertScrollPortion(SCROLLBAR *sb, RECT *rect, int x, int y)
-{
- UINT r;
-
- RotateRect(rect);
- r = GetHorzScrollPortion(sb, rect, y, x);
- RotateRect(rect);
- return r;
-}
-
-//
-// CUSTOM DRAW support
-//
-static LRESULT PostCustomPrePostPaint(HWND hwnd, HDC hdc, SCROLLBAR *sb, UINT dwStage)
-{
-#ifdef CUSTOM_DRAW
- NMCSBCUSTOMDRAW nmcd;
-
- CoolSB_ZeroMemory(&nmcd, sizeof nmcd);
- nmcd.hdr.hwndFrom = hwnd;
- nmcd.hdr.idFrom = GetWindowLongPtr(hwnd, GWLP_ID);
- nmcd.hdr.code = NM_COOLSB_CUSTOMDRAW;
- nmcd.nBar = sb->nBarType;
- nmcd.dwDrawStage = dwStage;
- nmcd.hdc = hdc;
-
- hwnd = GetParent(hwnd);
- return CustomDrawScrollBars(&nmcd);
-#else
- return 0;
-#endif
-}
-
-static LRESULT PostCustomDrawNotify(HWND hwnd, HDC hdc, UINT nBar, RECT *prect, UINT nItem, BOOL fMouseDown, BOOL fMouseOver, BOOL fInactive)
-{
-#ifdef CUSTOM_DRAW
- NMCSBCUSTOMDRAW nmcd;
-
- //fill in the standard header
- nmcd.hdr.hwndFrom = hwnd;
- nmcd.hdr.idFrom = GetWindowLongPtr(hwnd, GWLP_ID);
- nmcd.hdr.code = NM_COOLSB_CUSTOMDRAW;
-
- nmcd.dwDrawStage = CDDS_ITEMPREPAINT;
- nmcd.nBar = nBar;
- nmcd.rect = *prect;
- nmcd.uItem = nItem;
- nmcd.hdc = hdc;
-
- if (fMouseDown)
- nmcd.uState = CDIS_SELECTED;
- else if (fMouseOver)
- nmcd.uState = CDIS_HOT;
- else if (fInactive)
- nmcd.uState = CDIS_DISABLED;
- else
- nmcd.uState = CDIS_DEFAULT;
-
- hwnd = GetParent(hwnd);
- return CustomDrawScrollBars(&nmcd);
-#else
- return 0;
-#endif
-}
-
-// Depending on if we are supporting custom draw, either define
-// a macro to the function name, or to nothing at all. If custom draw
-// is turned off, then we can save ALOT of code space by binning all
-// calls to the custom draw support.
-
-/*
-#ifdef CUSTOM_DRAW
-#define PostCustomDrawNotify PostCustomDrawNotify0
-#define PostCustomPrePostPaint PostCustomPrePostPaint0
-#else
-#define PostCustomDrawNotify 1 ? (void)0 : PostCustomDrawNotify0
-#define PostCustomPrePostPaint 1 ? (void)0 : PostCustomPrePostPaint0
-#endif
-*/
-
-static LRESULT PostMouseNotify0(HWND hwnd, UINT nBar, RECT *prect, UINT nCmdId, POINT pt)
-{
-#ifdef NOTIFY_MOUSE
- NMCOOLBUTMSG nmcb;
-
- //fill in the standard header
- nmcb.hdr.hwndFrom = hwnd;
- nmcb.hdr.idFrom = GetWindowLongPtr(hwnd, GWLP_ID);
- nmcb.hdr.code = NM_CLICK;
-
- nmcb.nBar = nBar;
- nmcb.uCmdId = nCmdId;
- nmcb.uState = 0;
- nmcb.rect = *prect;
- nmcb.pt = pt;
-
- hwnd = GetParent(hwnd);
- return SendMessage(hwnd, WM_NOTIFY, nmcb.hdr.idFrom, (LPARAM)&nmcb);
-#else
- return 0;
-#endif
-}
-
-#ifdef NOTIFY_MOUSE
-#define PostMouseNotify PostMouseNotify0
-#else
-#define PostMouseNotify 1 ? (void)0 : PostMouseNotify0
-#endif
-
-
-
-//
-// Draw a complete HORIZONTAL scrollbar in the given rectangle
-// Don't draw any inserted buttons in this procedure
-//
-// uDrawFlags - hittest code, to say if to draw the
-// specified portion in an active state or not.
-//
-//
-static LRESULT NCDrawHScrollbar(SCROLLBAR *sb, HWND hwnd, HDC hdc, const RECT *rect, UINT uDrawFlags)
-{
- SCROLLINFO *si;
- RECT ctrl, thumb;
- RECT sbm;
- int butwidth = GetScrollMetric(sb, SM_SCROLL_LENGTH);
- int scrollwidth = rect->right-rect->left;
- int workingwidth = scrollwidth - butwidth*2;
- int thumbwidth = 0, thumbpos = 0;
- int siMaxMin;
-
- BOOL fCustomDraw = 0;
-
- BOOL fMouseDownL = 0, fMouseOverL = 0, fBarHot = 0;
- BOOL fMouseDownR = 0, fMouseOverR = 0;
-
- COLORREF crCheck1 = GetSBForeColor();
- COLORREF crCheck2 = GetSBBackColor();
- COLORREF crInverse1 = InvertCOLORREF(crCheck1);
- COLORREF crInverse2 = InvertCOLORREF(crCheck2);
-
- UINT uDEFlat = sb->fFlatScrollbar ? BF_FLAT : 0;
-
- //drawing flags to modify the appearance of the scrollbar buttons
- UINT uLeftButFlags = DFCS_SCROLLLEFT;
- UINT uRightButFlags = DFCS_SCROLLRIGHT;
-
- if (scrollwidth <= 0)
- return 0;
-
- si = &sb->scrollInfo;
- siMaxMin = si->nMax - si->nMin;
-
- if (hwnd != hwndCurCoolSB)
- uDrawFlags = HTSCROLL_NONE;
- //
- // work out the thumb size and position
- //
- CalcThumbSize(sb, rect, &thumbwidth, &thumbpos);
-
- if (sb->fScrollFlags & ESB_DISABLE_LEFT) uLeftButFlags |= DFCS_INACTIVE;
- if (sb->fScrollFlags & ESB_DISABLE_RIGHT) uRightButFlags |= DFCS_INACTIVE;
-
- //if we need to grey the arrows because there is no data to scroll
- if ( !IsScrollInfoActive(si) && !(sb->fScrollFlags & CSBS_THUMBALWAYS))
- {
- uLeftButFlags |= DFCS_INACTIVE;
- uRightButFlags |= DFCS_INACTIVE;
- }
-
- if (hwnd == hwndCurCoolSB)
- {
-#ifdef FLAT_SCROLLBARS
- BOOL ldis = !(uLeftButFlags & DFCS_INACTIVE);
- BOOL rdis = !(uRightButFlags & DFCS_INACTIVE);
-
- fBarHot = (sb->nBarType == (int)uMouseOverScrollbar && sb->fFlatScrollbar == CSBS_HOTTRACKED);
-
- fMouseOverL = uHitTestPortion == HTSCROLL_LEFT && fBarHot && ldis;
- fMouseOverR = uHitTestPortion == HTSCROLL_RIGHT && fBarHot && rdis;
-#endif
- fMouseDownL = (uDrawFlags == HTSCROLL_LEFT);
- fMouseDownR = (uDrawFlags == HTSCROLL_RIGHT);
- }
-
-
-//#ifdef CUSTOM_DRAW
- fCustomDraw = ((PostCustomPrePostPaint(hwnd, hdc, sb, CDDS_PREPAINT)) == CDRF_SKIPDEFAULT);
-//#endif
-
- //
- // Draw the scrollbar now
- //
- if (scrollwidth > butwidth*2)
- {
- //LEFT ARROW
- SetRect(&ctrl, rect->left, rect->top, rect->left + butwidth, rect->bottom);
-
- RotateRect0(sb, &ctrl);
-
- if (fCustomDraw)
- PostCustomDrawNotify(hwnd, hdc, sb->nBarType, &ctrl, SB_LINELEFT, fMouseDownL, fMouseOverL, uLeftButFlags & DFCS_INACTIVE);
- else
- DrawScrollArrow(sb, hdc, &ctrl, uLeftButFlags, fMouseDownL, fMouseOverL);
-
- RotateRect0(sb, &ctrl);
-
- //MIDDLE PORTION
- //if we can fit the thumbbar in, then draw it
- if (thumbwidth > 0 && thumbwidth <= workingwidth
- && IsScrollInfoActive(si) && ((sb->fScrollFlags & ESB_DISABLE_BOTH) != ESB_DISABLE_BOTH))
- {
- //Draw the scrollbar margin above the thumb
- SetRect(&sbm, rect->left + butwidth, rect->top, thumbpos, rect->bottom);
-
- RotateRect0(sb, &sbm);
-
- if (fCustomDraw)
- {
- PostCustomDrawNotify(hwnd, hdc, sb->nBarType, &sbm, SB_PAGELEFT, uDrawFlags == HTSCROLL_PAGELEFT, FALSE, FALSE);
- }
- else
- {
- if (uDrawFlags == HTSCROLL_PAGELEFT)
- DrawCheckedRect(hdc, &sbm, crInverse1, crInverse2);
- else
- DrawCheckedRect(hdc, &sbm, crCheck1, crCheck2);
-
- }
-
- RotateRect0(sb, &sbm);
-
- //Draw the margin below the thumb
- sbm.left = thumbpos+thumbwidth;
- sbm.right = rect->right - butwidth;
-
- RotateRect0(sb, &sbm);
- if (fCustomDraw)
- {
- PostCustomDrawNotify(hwnd, hdc, sb->nBarType, &sbm, SB_PAGERIGHT, uDrawFlags == HTSCROLL_PAGERIGHT, 0, 0);
- }
- else
- {
- if (uDrawFlags == HTSCROLL_PAGERIGHT)
- DrawCheckedRect(hdc, &sbm, crInverse1, crInverse2);
- else
- DrawCheckedRect(hdc, &sbm, crCheck1, crCheck2);
-
- }
- RotateRect0(sb, &sbm);
-
- //Draw the THUMB finally
- SetRect(&thumb, thumbpos, rect->top, thumbpos+thumbwidth, rect->bottom);
-
- RotateRect0(sb, &thumb);
-
- if (fCustomDraw)
- {
- PostCustomDrawNotify(hwnd, hdc, sb->nBarType, &thumb, SB_THUMBTRACK, uDrawFlags==HTSCROLL_THUMB, uHitTestPortion == HTSCROLL_THUMB && fBarHot, FALSE);
- }
- else
- {
-
-#ifdef FLAT_SCROLLBARS
- if (hwnd == hwndCurCoolSB && sb->fFlatScrollbar && (uDrawFlags == HTSCROLL_THUMB ||
- (uHitTestPortion == HTSCROLL_THUMB && fBarHot)))
- {
- PaintRect(hdc, &thumb, GetSysColor(COLOR_3DSHADOW));
- }
- else
-#endif
- {
- DrawBlankButton(hdc, &thumb, uDEFlat);
- }
- }
- RotateRect0(sb, &thumb);
-
- }
- //otherwise, just leave that whole area blank
- else
- {
- OffsetRect(&ctrl, butwidth, 0);
- ctrl.right = rect->right - butwidth;
-
- //if we always show the thumb covering the whole scrollbar,
- //then draw it that way
- if ( !IsScrollInfoActive(si) && (sb->fScrollFlags & CSBS_THUMBALWAYS)
- && ctrl.right - ctrl.left > sb->nMinThumbSize)
- {
- //leave a 1-pixel gap between the thumb + right button
- ctrl.right --;
- RotateRect0(sb, &ctrl);
-
- if (fCustomDraw)
- PostCustomDrawNotify(hwnd, hdc, sb->nBarType, &ctrl, SB_THUMBTRACK, fMouseDownL, FALSE, FALSE);
- else
- {
-#ifdef FLAT_SCROLLBARS
- if (sb->fFlatScrollbar == CSBS_HOTTRACKED && uDrawFlags == HTSCROLL_THUMB)
- PaintRect(hdc, &ctrl, GetSysColor(COLOR_3DSHADOW));
- else
-#endif
- DrawBlankButton(hdc, &ctrl, uDEFlat);
-
- }
- RotateRect0(sb, &ctrl);
-
- //draw the single-line gap
- ctrl.left = ctrl.right;
- ctrl.right += 1;
-
- RotateRect0(sb, &ctrl);
-
- if (fCustomDraw)
- PostCustomDrawNotify(hwnd, hdc, sb->nBarType, &ctrl, SB_PAGERIGHT, 0, 0, 0);
- else
- PaintRect(hdc, &ctrl, GetSysColor(COLOR_SCROLLBAR));
-
- RotateRect0(sb, &ctrl);
- }
- //otherwise, paint a blank if the thumb doesn't fit in
- else
- {
- RotateRect0(sb, &ctrl);
-
- if (fCustomDraw)
- PostCustomDrawNotify(hwnd, hdc, sb->nBarType, &ctrl, SB_PAGERIGHT, 0, 0, 0);
- else
- DrawCheckedRect(hdc, &ctrl, crCheck1, crCheck2);
-
- RotateRect0(sb, &ctrl);
- }
- }
-
- //RIGHT ARROW
- SetRect(&ctrl, rect->right - butwidth, rect->top, rect->right, rect->bottom);
-
- RotateRect0(sb, &ctrl);
-
- if (fCustomDraw)
- PostCustomDrawNotify(hwnd, hdc, sb->nBarType, &ctrl, SB_LINERIGHT, fMouseDownR, fMouseOverR, uRightButFlags & DFCS_INACTIVE);
- else
- DrawScrollArrow(sb, hdc, &ctrl, uRightButFlags, fMouseDownR, fMouseOverR);
-
- RotateRect0(sb, &ctrl);
- }
- //not enough room for the scrollbar, so just draw the buttons (scaled in size to fit)
- else
- {
- butwidth = scrollwidth / 2;
-
- //LEFT ARROW
- SetRect(&ctrl, rect->left, rect->top, rect->left + butwidth, rect->bottom);
-
- RotateRect0(sb, &ctrl);
- if (fCustomDraw)
- PostCustomDrawNotify(hwnd, hdc, sb->nBarType, &ctrl, SB_LINELEFT, fMouseDownL, fMouseOverL, uLeftButFlags & DFCS_INACTIVE);
- else
- DrawScrollArrow(sb, hdc, &ctrl, uLeftButFlags, fMouseDownL, fMouseOverL);
- RotateRect0(sb, &ctrl);
-
- //RIGHT ARROW
- OffsetRect(&ctrl, scrollwidth - butwidth, 0);
-
- RotateRect0(sb, &ctrl);
- if (fCustomDraw)
- PostCustomDrawNotify(hwnd, hdc, sb->nBarType, &ctrl, SB_LINERIGHT, fMouseDownR, fMouseOverR, uRightButFlags & DFCS_INACTIVE);
- else
- DrawScrollArrow(sb, hdc, &ctrl, uRightButFlags, fMouseDownR, fMouseOverR);
- RotateRect0(sb, &ctrl);
-
- //if there is a gap between the buttons, fill it with a solid color
- //if (butwidth & 0x0001)
- if (ctrl.left != rect->left + butwidth)
- {
- ctrl.left --;
- ctrl.right -= butwidth;
- RotateRect0(sb, &ctrl);
-
- if (fCustomDraw)
- PostCustomDrawNotify(hwnd, hdc, sb->nBarType, &ctrl, SB_PAGERIGHT, 0, 0, 0);
- else
- DrawCheckedRect(hdc, &ctrl, crCheck1, crCheck2);
-
- RotateRect0(sb, &ctrl);
- }
-
- }
-
-//#ifdef CUSTOM_DRAW
- PostCustomPrePostPaint(hwnd, hdc, sb, CDDS_POSTPAINT);
-//#endif
-
- return fCustomDraw;
-}
-
-//
-// Draw a vertical scrollbar using the horizontal draw routine, but
-// with the coordinates adjusted accordingly
-//
-static LRESULT NCDrawVScrollbar(SCROLLBAR *sb, HWND hwnd, HDC hdc, const RECT *rect, UINT uDrawFlags)
-{
- LRESULT ret;
- RECT rc;
-
- rc = *rect;
- RotateRect(&rc);
- ret = NCDrawHScrollbar(sb, hwnd, hdc, &rc, uDrawFlags);
- RotateRect(&rc);
-
- return ret;
-}
-
-//
-// Generic wrapper function for the scrollbar drawing
-//
-static LRESULT NCDrawScrollbar(SCROLLBAR *sb, HWND hwnd, HDC hdc, const RECT *rect, UINT uDrawFlags)
-{
- if (sb->nBarType == SB_HORZ)
- return NCDrawHScrollbar(sb, hwnd, hdc, rect, uDrawFlags);
- else
- return NCDrawVScrollbar(sb, hwnd, hdc, rect, uDrawFlags);
-}
-
-#ifdef INCLUDE_BUTTONS
-
-//
-// Draw the specified bitmap centered in the rectangle
-//
-static void DrawImage(HDC hdc, HBITMAP hBitmap, RECT *rc)
-{
- BITMAP bm;
- int cx;
- int cy;
- HDC memdc;
- HBITMAP hOldBM;
- RECT rcDest = *rc;
- POINT p;
- SIZE delta;
- COLORREF colorOld;
-
- if (hBitmap == NULL)
- return;
-
- // center bitmap in caller's rectangle
- GetObject(hBitmap, sizeof bm, &bm);
-
- cx = bm.bmWidth;
- cy = bm.bmHeight;
-
- delta.cx = (rc->right-rc->left - cx) / 2;
- delta.cy = (rc->bottom-rc->top - cy) / 2;
-
- if (rc->right-rc->left > cx)
- {
- SetRect(&rcDest, rc->left+delta.cx, rc->top + delta.cy, 0, 0);
- rcDest.right = rcDest.left + cx;
- rcDest.bottom = rcDest.top + cy;
- p.x = 0;
- p.y = 0;
- }
- else
- {
- p.x = -delta.cx;
- p.y = -delta.cy;
- }
-
- // select checkmark into memory DC
- memdc = CreateCompatibleDC(hdc);
- hOldBM = (HBITMAP)SelectObject(memdc, hBitmap);
-
- // set BG color based on selected state
- colorOld = SetBkColor(hdc, GetSysColor(COLOR_3DFACE));
-
- BitBlt(hdc, rcDest.left, rcDest.top, rcDest.right-rcDest.left, rcDest.bottom-rcDest.top, memdc, p.x, p.y, SRCCOPY);
-
- // restore
- SetBkColor(hdc, colorOld);
- SelectObject(memdc, hOldBM);
- DeleteDC(memdc);
-}
-
-//
-// Draw the specified metafile
-//
-static void DrawMetaFile(HDC hdc, HENHMETAFILE hemf, RECT *rect)
-{
- RECT rc;
- POINT pt;
-
- SetRect(&rc, 0, 0, rect->right-rect->left, rect->bottom-rect->top);
- SetWindowOrgEx(hdc, -rect->left, -rect->top, &pt);
- PlayEnhMetaFile(hdc, hemf, &rc);
- SetWindowOrgEx(hdc, pt.x, pt.y, 0);
-}
-
-//
-// Draw a single scrollbar inserted button, in whatever style
-// it has been defined to use.
-//
-static UINT DrawScrollButton(SCROLLBUT *sbut, HDC hdc, const RECT *pctrl, UINT flags)
-{
- NMCSBCUSTOMDRAW nmcd;
- HWND hwnd;
- RECT rect = *pctrl;
- UINT f;
-
- switch(sbut->uButType & SBBT_MASK)
- {
- case SBBT_OWNERDRAW:
-
- hwnd = WindowFromDC(hdc);
-
- //fill in the standard header
- nmcd.hdr.hwndFrom = hwnd;
- nmcd.hdr.idFrom = GetWindowLongPtr(hwnd, GWLP_ID);
- nmcd.hdr.code = NM_COOLSB_CUSTOMDRAW;
-
- nmcd.dwDrawStage = CDDS_ITEMPREPAINT;
- nmcd.nBar = SB_INSBUT;
- nmcd.rect = *pctrl;
- nmcd.uItem = sbut->uCmdId;
- nmcd.hdc = hdc;
- nmcd.uState = flags;
-
- IntersectClipRect(hdc, rect.left, rect.top, rect.right, rect.bottom);
- SendMessage(GetParent(hwnd), WM_NOTIFY, nmcd.hdr.idFrom, (LPARAM)&nmcd);
- SelectClipRgn(hdc, NULL);
-
- break;
-
- case SBBT_FIXED:
- flags &= ~SBBS_PUSHED;
-
- case SBBT_TOGGLEBUTTON:
- if (sbut->uState != SBBS_NORMAL)
- flags |= SBBS_PUSHED;
-
- //intentionally fall through here...
-
- case SBBT_PUSHBUTTON:
-
- f = flags & SBBS_PUSHED ? DFCS_PUSHED | DFCS_FLAT : 0;
- if (sbut->uButType & SBBM_LEFTARROW)
- {
- DrawFrameControl(hdc, &rect, DFC_SCROLL, DFCS_SCROLLLEFT | f);
- }
- else if (sbut->uButType & SBBM_RIGHTARROW)
- {
- DrawFrameControl(hdc, &rect, DFC_SCROLL, DFCS_SCROLLRIGHT | f);
- }
- else if (sbut->uButType & SBBM_UPARROW)
- {
- DrawFrameControl(hdc, &rect, DFC_SCROLL, DFCS_SCROLLUP | f);
- }
- else if (sbut->uButType & SBBM_DOWNARROW)
- {
- DrawFrameControl(hdc, &rect, DFC_SCROLL, DFCS_SCROLLDOWN | f);
- }
- else
- {
- //
- if (flags & SBBS_PUSHED)
- {
- if (sbut->uButType & SBBM_RECESSED)
- {
- InflateRect(&rect, -1, -1);
- DrawEdge(hdc, &rect, EDGE_SUNKEN, BF_RECT|BF_FLAT);
- InflateRect(&rect, 1, 1);
-
- FrameRect(hdc, &rect, GetSysColorBrush(COLOR_3DDKSHADOW));
- InflateRect(&rect, -2, -2);
- }
- else
- {
- DrawEdge(hdc, &rect, EDGE_SUNKEN, BF_RECT | BF_FLAT | BF_ADJUST);
- InflateRect(&rect, 1, 1);
- }
- }
- else
- {
- // draw the button borders
- if (sbut->uButType & SBBM_TYPE2)
- {
- DrawFrameControl(hdc, &rect, DFC_BUTTON, DFCS_BUTTONPUSH);
- InflateRect(&rect, -2, -2);
- }
-
- else if (sbut->uButType & SBBM_TYPE3)
- {
- DrawFrameControl(hdc, &rect, DFC_BUTTON, DFCS_BUTTONPUSH);
- InflateRect(&rect, -1, -1);
- }
- else
- {
- DrawEdge(hdc, &rect, EDGE_RAISED, BF_RECT | BF_ADJUST);
- rect.bottom++;
- rect.right++;
- }
-
- OffsetRect(&rect, -1, -1);
- rect.top++; rect.left++;
- }
-
- if (sbut->hBmp)
- {
- PaintRect(hdc, &rect, GetSysColor(COLOR_3DFACE));
-
- if (flags & SBBS_PUSHED)
- {
- rect.top++; rect.left++;
- }
-
- IntersectClipRect(hdc, rect.left, rect.top, rect.right,rect.bottom);
- DrawImage(hdc, sbut->hBmp, &rect);
- SelectClipRgn(hdc, 0);
- }
- else if (sbut->hEmf)
- {
- PaintRect(hdc, &rect, GetSysColor(COLOR_3DFACE));
- InflateRect(&rect, -1, -1);
-
- if (flags & SBBS_PUSHED)
- {
- rect.top++; rect.left++;
- }
-
- IntersectClipRect(hdc, rect.left, rect.top, rect.right,rect.bottom);
- DrawMetaFile(hdc, sbut->hEmf, &rect);
- SelectClipRgn(hdc, 0);
- }
- else
- {
- PaintRect(hdc, &rect, GetSysColor(COLOR_3DFACE));
- }
- }
-
-
- break;
-
- case SBBT_BLANK:
- PaintRect(hdc, &rect, GetSysColor(COLOR_3DFACE));
- break;
-
- case SBBT_FLAT:
- DrawBlankButton(hdc, &rect, BF_FLAT);
- break;
-
- case SBBT_DARK:
- PaintRect(hdc, &rect, GetSysColor(COLOR_3DDKSHADOW));
- break;
- }
-
- return 0;
-}
-
-//
-// Draw any buttons inserted into the horizontal scrollbar
-// assume that the button widths have already been calculated
-// Note: RECT *rect is the rectangle of the scrollbar
-// leftright: 1 = left, 2 = right, 3 = both
-//
-static LRESULT DrawHorzButtons(SCROLLBAR *sbar, HDC hdc, const RECT *rect, int leftright)
-{
- int i;
- int xposl, xposr;
- RECT ctrl;
- SCROLLBUT *sbut = sbar->sbButtons;
-
- xposl = rect->left - sbar->nButSizeBefore;
- xposr = rect->right;
-
- for (i = 0; i < sbar->nButtons; i++)
- {
- if ((leftright & SBBP_LEFT) && sbut[i].uPlacement == SBBP_LEFT)
- {
- int butwidth = GetSingleButSize(sbar, &sbut[i]);
- SetRect(&ctrl, xposl, rect->top, xposl + butwidth, rect->bottom);
- RotateRect0(sbar, &ctrl);
- DrawScrollButton(&sbut[i], hdc, &ctrl, SBBS_NORMAL);
-
- xposl += butwidth;
- }
-
- if ((leftright & SBBP_RIGHT) && sbut[i].uPlacement == SBBP_RIGHT)
- {
- int butwidth = GetSingleButSize(sbar, &sbut[i]);
- SetRect(&ctrl, xposr, rect->top, xposr + butwidth, rect->bottom);
- RotateRect0(sbar, &ctrl);
- DrawScrollButton(&sbut[i], hdc, &ctrl, SBBS_NORMAL);
- xposr += butwidth;
- }
- }
- return 0;
-}
-
-static LRESULT DrawVertButtons(SCROLLBAR *sbar, HDC hdc, const RECT *rect, int leftright)
-{
- RECT rc = *rect;
- RotateRect(&rc);
- DrawHorzButtons(sbar, hdc, &rc, leftright);
- return 0;
-}
-#endif // INCLUDE_BUTTONS
-
-//
-// Define these two for proper processing of NCPAINT
-// NOT needed if we don't bother to mask the scrollbars we draw
-// to prevent the old window procedure from accidently drawing over them
-//
-HDC CoolSB_GetDC(HWND hwnd, WPARAM)
-{
- // I just can't figure out GetDCEx, so I'll just use this:
- return GetWindowDC(hwnd);
-}
-
-static LRESULT NCPaint(SCROLLWND *sw, HWND hwnd, WPARAM wParam, LPARAM lParam)
-{
- SCROLLBAR *sb;
- HDC hdc;
- RECT winrect, rect;
- HRGN clip = 0;
- BOOL fCustomDraw = FALSE;
- LRESULT ret;
- DWORD dwStyle;
-
- GetWindowRect(hwnd, &winrect);
-
- HRGN hrgn = (HRGN)wParam;
-
- //hdc = GetWindowDC(hwnd);
- hdc = CoolSB_GetDC(hwnd, wParam);
-
- //
- // Only draw the horizontal scrollbar if the window is tall enough
- //
- sb = &sw->sbarHorz;
- if (sb->fScrollVisible)
- {
- //get the screen coordinates of the whole horizontal scrollbar area
- GetHScrollRect(sw, hwnd, &rect);
-
- //make the coordinates relative to the window for drawing
- OffsetRect(&rect, -winrect.left, -winrect.top);
-
- if (uCurrentScrollbar == SB_HORZ)
- fCustomDraw |= NCDrawHScrollbar(sb, hwnd, hdc, &rect, uScrollTimerPortion);
- else
- fCustomDraw |= NCDrawHScrollbar(sb, hwnd, hdc, &rect, HTSCROLL_NONE);
- }
-
- //
- // Only draw the vertical scrollbar if the window is wide enough to accomodate it
- //
- sb = &sw->sbarVert;
- if (sb->fScrollVisible)
- {
- //get the screen cooridinates of the whole horizontal scrollbar area
- GetVScrollRect(sw, hwnd, &rect);
-
- //make the coordinates relative to the window for drawing
- OffsetRect(&rect, -winrect.left, -winrect.top);
-
- if (uCurrentScrollbar == SB_VERT)
- fCustomDraw |= NCDrawVScrollbar(sb, hwnd, hdc, &rect, uScrollTimerPortion);
- else
- fCustomDraw |= NCDrawVScrollbar(sb, hwnd, hdc, &rect, HTSCROLL_NONE);
- }
-
- //Call the default window procedure for WM_NCPAINT, with the
- //new window region. ** region must be in SCREEN coordinates **
- dwStyle = GetWindowLongPtr(hwnd, GWL_STYLE);
-
- // If the window has WS_(H-V)SCROLL bits set, we should reset them
- // to avoid windows taking the scrollbars into account.
- // We temporarily set a flag preventing the subsecuent
- // WM_STYLECHANGING/WM_STYLECHANGED to be forwarded to
- // the original window procedure
- if ( dwStyle & (WS_VSCROLL|WS_HSCROLL))
- {
- sw->bPreventStyleChange = TRUE;
- SetWindowLongPtr(hwnd, GWL_STYLE, dwStyle & ~(WS_VSCROLL|WS_HSCROLL));
- }
-
- ret = mir_callNextSubclass(hwnd, CoolSBWndProc, WM_NCPAINT, (WPARAM)hrgn, lParam);
-
- if ( dwStyle & (WS_VSCROLL|WS_HSCROLL))
- {
- SetWindowLongPtr(hwnd, GWL_STYLE, dwStyle);
- sw->bPreventStyleChange = FALSE;
- }
-
- // DRAW THE DEAD AREA
- // only do this if the horizontal and vertical bars are visible
- if (sw->sbarHorz.fScrollVisible && sw->sbarVert.fScrollVisible)
- {
- GetWindowRect(hwnd, &rect);
- OffsetRect(&rect, -winrect.left, -winrect.top);
-
- rect.bottom -= sw->cyBottomEdge;
- rect.top = rect.bottom - GetScrollMetric(&sw->sbarHorz, SM_CYHORZSB);
-
- if (sw->fLeftScrollbar)
- {
- rect.left += sw->cxLeftEdge;
- rect.right = rect.left + GetScrollMetric(&sw->sbarVert, SM_CXVERTSB);
- }
- else
- {
- rect.right -= sw->cxRightEdge;
- rect.left = rect.right - GetScrollMetric(&sw->sbarVert, SM_CXVERTSB);
- }
-
- if (fCustomDraw)
- PostCustomDrawNotify(hwnd, hdc, SB_BOTH, &rect, 32, 0, 0, 0);
- else
- {
- //calculate the position of THIS window's dead area
- //with the position of the PARENT window's client rectangle.
- //if THIS window has been positioned such that its bottom-right
- //corner sits in the parent's bottom-right corner, then we should
- //show the sizing-grip.
- //Otherwise, assume this window is not in the right place, and
- //just draw a blank rectangle
- RECT parent;
- RECT rect2;
- HWND hwndParent = GetParent(hwnd);
-
- GetClientRect(hwndParent, &parent);
- MapWindowPoints(hwndParent, 0, (POINT *)&parent, 2);
-
- CopyRect(&rect2, &rect);
- OffsetRect(&rect2, winrect.left, winrect.top);
-
- if ( !sw->fLeftScrollbar && parent.right == rect2.right+sw->cxRightEdge && parent.bottom == rect2.bottom+sw->cyBottomEdge
- || sw->fLeftScrollbar && parent.left == rect2.left -sw->cxLeftEdge && parent.bottom == rect2.bottom+sw->cyBottomEdge)
- DrawFrameControl(hdc, &rect, DFC_SCROLL, sw->fLeftScrollbar ? DFCS_SCROLLSIZEGRIPRIGHT : DFCS_SCROLLSIZEGRIP );
- else
- PaintRect(hdc, &rect, GetSysColor(COLOR_3DFACE));
- }
- }
-
- UNREFERENCED_PARAMETER(clip);
- ReleaseDC(hwnd, hdc);
- return ret;
-}
-
-//
-// Need to detect if we have clicked in the scrollbar region or not
-//
-static LRESULT NCHitTest(SCROLLWND *sw, HWND hwnd, WPARAM wParam, LPARAM lParam)
-{
- RECT hrect;
- RECT vrect;
- POINT pt;
-
- pt.x = LOWORD(lParam);
- pt.y = HIWORD(lParam);
-
- //work out exactly where the Horizontal and Vertical scrollbars are
- GetHScrollRect(sw, hwnd, &hrect);
- GetVScrollRect(sw, hwnd, &vrect);
-
- //Clicked in the horizontal scrollbar area
- if (sw->sbarHorz.fScrollVisible && PtInRect(&hrect, pt))
- return HTHSCROLL;
-
- //Clicked in the vertical scrollbar area
- if (sw->sbarVert.fScrollVisible && PtInRect(&vrect, pt))
- return HTVSCROLL;
-
- //clicked somewhere else
- return mir_callNextSubclass(hwnd, CoolSBWndProc, WM_NCHITTEST, wParam, lParam);
-}
-
-//
-// Return a HT* value indicating what part of the scrollbar was clicked
-// Rectangle is not adjusted
-//
-static UINT GetHorzPortion(SCROLLBAR *sb, RECT *rect, int x, int y)
-{
- RECT rc = *rect;
-
- if (y < rc.top || y >= rc.bottom) return HTSCROLL_NONE;
-
-#ifdef INCLUDE_BUTTONS
-
- if (sb->fButVisibleBefore)
- {
- //clicked on the buttons to the left of the scrollbar
- if (x >= rc.left && x < rc.left + sb->nButSizeBefore)
- return HTSCROLL_INSERTED;
-
- //adjust the rectangle to exclude the left-side buttons, now that we
- //know we havn't clicked on them
- rc.left += sb->nButSizeBefore;
- }
-
- if (sb->fButVisibleAfter)
- {
- //clicked on the buttons to the right of the scrollbar
- if (x >= rc.right - sb->nButSizeAfter && x < rc.right)
- return HTSCROLL_INSERTED;
-
- //adjust the rectangle to exclude the right-side buttons, now that we
- //know we havn't clicked on them
- rc.right -= sb->nButSizeAfter;
- }
-
-#endif INCLUDE_BUTTONS
-
- //Now we have the rectangle for the scrollbar itself, so work out
- //what part we clicked on.
- return GetHorzScrollPortion(sb, &rc, x, y);
-}
-
-//
-// Just call the horizontal version, with adjusted coordinates
-//
-static UINT GetVertPortion(SCROLLBAR *sb, RECT *rect, int x, int y)
-{
- UINT ret;
- RotateRect(rect);
- ret = GetHorzPortion(sb, rect, y, x);
- RotateRect(rect);
- return ret;
-}
-
-//
-// Wrapper function for GetHorzPortion and GetVertPortion
-//
-static UINT GetPortion(SCROLLBAR *sb, RECT *rect, int x, int y)
-{
- if (sb->nBarType == SB_HORZ)
- return GetHorzPortion(sb, rect, x, y);
- else if (sb->nBarType == SB_VERT)
- return GetVertPortion(sb, rect, x, y);
- else
- return HTSCROLL_NONE;
-}
-
-//
-// Input: rectangle of the total scrollbar area
-// Output: adjusted to take the inserted buttons into account
-//
-static void GetRealHorzScrollRect(SCROLLBAR *sb, RECT *rect)
-{
- if (sb->fButVisibleBefore) rect->left += sb->nButSizeBefore;
- if (sb->fButVisibleAfter) rect->right -= sb->nButSizeAfter;
-}
-
-//
-// Input: rectangle of the total scrollbar area
-// Output: adjusted to take the inserted buttons into account
-//
-static void GetRealVertScrollRect(SCROLLBAR *sb, RECT *rect)
-{
- if (sb->fButVisibleBefore) rect->top += sb->nButSizeBefore;
- if (sb->fButVisibleAfter) rect->bottom -= sb->nButSizeAfter;
-}
-
-//
-// Decide which type of scrollbar we have before calling
-// the real function to do the job
-//
-static void GetRealScrollRect(SCROLLBAR *sb, RECT *rect)
-{
- if (sb->nBarType == SB_HORZ)
- {
- GetRealHorzScrollRect(sb, rect);
- }
- else if (sb->nBarType == SB_VERT)
- {
- GetRealVertScrollRect(sb, rect);
- }
-}
-
-//
-// All button code shoule be collected together
-//
-//
-#ifdef INCLUDE_BUTTONS
-
-//
-// Return the index of the button covering the specified point
-// rect - rectangle of the whole scrollbar area
-// pt - screen coords of the mouse
-// fReturnRect - do/don't modify the rect to return the button's area
-//
-static UINT GetHorzButtonFromPt(SCROLLBAR *sb, RECT *rect, POINT pt, BOOL fReturnRect)
-{
- int leftpos = rect->left, rightpos = rect->right;
- int i;
- int butwidth;
- SCROLLBUT *sbut = sb->sbButtons;
-
- if ( !PtInRect(rect, pt))
- return -1;
-
- if (sb->fButVisibleAfter)
- rightpos -= sb->nButSizeAfter;
-
- for (i = 0; i < sb->nButtons; i++)
- {
- if (sb->fButVisibleBefore && sbut[i].uPlacement == SBBP_LEFT)
- {
- butwidth = GetSingleButSize(sb, &sbut[i]);
-
- //if the current button is under the specified point
- if (pt.x >= leftpos && pt.x < leftpos + butwidth)
- {
- //if the caller wants us to return the rectangle of the button
- if (fReturnRect)
- {
- rect->left = leftpos;
- rect->right = leftpos + butwidth;
- }
-
- return i;
- }
-
- leftpos += butwidth;
- }
- else if (sb->fButVisibleAfter && sbut[i].uPlacement == SBBP_RIGHT)
- {
- butwidth = GetSingleButSize(sb, &sbut[i]);
-
- //if the current button is under the specified point
- if (pt.x >= rightpos && pt.x < rightpos + butwidth)
- {
- //if the caller wants us to return the rectangle of the button
- if (fReturnRect)
- {
- rect->left = rightpos;
- rect->right = rightpos + butwidth;
- }
- return i;
- }
-
- rightpos += butwidth;
- }
- }
-
- return -1;
-}
-
-
-static UINT GetVertButtonFromPt(SCROLLBAR *sb, RECT *rect, POINT pt, BOOL fReturnRect)
-{
- UINT ret;
- int temp;
-
- //swap the X/Y coords
- temp = pt.x;
- pt.x = pt.y;
- pt.y = temp;
-
- //swap the rectangle
- RotateRect(rect);
-
- ret = GetHorzButtonFromPt(sb, rect, pt, fReturnRect);
-
- RotateRect(rect);
- return ret;
-}
-
-//
-//
-//
-static UINT GetButtonFromPt(SCROLLBAR *sb, RECT *rect, POINT pt, BOOL fReturnRect)
-{
- if (sb->nBarType == SB_HORZ)
- {
- return GetHorzButtonFromPt(sb, rect, pt, fReturnRect);
- }
- else
- {
- return GetVertButtonFromPt(sb, rect, pt, fReturnRect);
- }
-}
-
-//
-// Find the coordinates (in RECT format) of the specified button index
-//
-static UINT GetHorzButtonRectFromId(SCROLLBAR *sb, RECT *rect, UINT index)
-{
- UINT i;
- SCROLLBUT *sbut = sb->sbButtons;
- int leftpos = rect->left, rightpos = rect->right;
-
- if (sb->fButVisibleAfter)
- rightpos -= sb->nButSizeAfter;
-
- //find the particular button in question
- for (i = 0; i < index; i++)
- {
- if (sb->fButVisibleBefore && sbut[i].uPlacement == SBBP_LEFT)
- {
- leftpos += GetSingleButSize(sb, &sbut[i]);
- }
- else if (sb->fButVisibleAfter && sbut[i].uPlacement == SBBP_RIGHT)
- {
- rightpos += GetSingleButSize(sb, &sbut[i]);
- }
- }
-
- //now return the rectangle
- if (sbut[i].uPlacement == SBBP_LEFT)
- {
- rect->left = leftpos;
- rect->right = leftpos + GetSingleButSize(sb, &sbut[i]);
- }
- else
- {
- rect->left = rightpos;
- rect->right = rightpos + GetSingleButSize(sb, &sbut[i]);
- }
-
- return 0;
-}
-
-static UINT GetVertButtonRectFromId(SCROLLBAR *sb, RECT *rect, UINT index)
-{
- UINT ret;
- RotateRect(rect);
- ret = GetHorzButtonRectFromId(sb, rect, index);
- RotateRect(rect);
- return ret;
-}
-
-static UINT GetButtonRectFromId(SCROLLBAR *sb, RECT *rect, UINT index)
-{
- if (sb->nBarType == SB_HORZ)
- {
- return GetHorzButtonRectFromId(sb, rect, index);
- }
- else
- {
- return GetVertButtonRectFromId(sb, rect, index);
- }
-}
-#endif //INCLUDE_BUTTONS
-
-//
-// Left button click in the non-client area
-//
-static LRESULT NCLButtonDown(SCROLLWND *sw, HWND hwnd, WPARAM wParam, LPARAM lParam)
-{
- RECT rect, winrect;
- HDC hdc;
- SCROLLBAR *sb;
- POINT pt;
-
- pt.x = LOWORD(lParam);
- pt.y = HIWORD(lParam);
-
- hwndCurCoolSB = hwnd;
-
- //
- // HORIZONTAL SCROLLBAR PROCESSING
- //
- if (wParam == HTHSCROLL)
- {
- uScrollTimerMsg = WM_HSCROLL;
- uCurrentScrollbar = SB_HORZ;
- sb = &sw->sbarHorz;
-
- //get the total area of the normal Horz scrollbar area
- GetHScrollRect(sw, hwnd, &rect);
- uCurrentScrollPortion = GetHorzPortion(sb, &rect, LOWORD(lParam), HIWORD(lParam));
- }
- //
- // VERTICAL SCROLLBAR PROCESSING
- //
- else if (wParam == HTVSCROLL)
- {
- uScrollTimerMsg = WM_VSCROLL;
- uCurrentScrollbar = SB_VERT;
- sb = &sw->sbarVert;
-
- //get the total area of the normal Horz scrollbar area
- GetVScrollRect(sw, hwnd, &rect);
- uCurrentScrollPortion = GetVertPortion(sb, &rect, LOWORD(lParam), HIWORD(lParam));
- }
- //
- // NORMAL PROCESSING
- //
- else
- {
- uCurrentScrollPortion = HTSCROLL_NONE;
- return mir_callNextSubclass(hwnd, CoolSBWndProc, WM_NCLBUTTONDOWN, wParam, lParam);
- }
-
- //
- // we can now share the same code for vertical
- // and horizontal scrollbars
- //
- switch(uCurrentScrollPortion)
- {
- //inserted buttons to the left/right
-#ifdef INCLUDE_BUTTONS
- case HTSCROLL_INSERTED:
-
-#ifdef HOT_TRACKING
- KillTimer(hwnd, uMouseOverId);
- uMouseOverId = 0;
- uMouseOverScrollbar = COOLSB_NONE;
-#endif
-
- //find the index of the button that has been clicked
- //adjust the rectangle to give the button's rectangle
- uCurrentButton = GetButtonFromPt(sb, &rect, pt, TRUE);
-
- sbut = &sb->sbButtons[uCurrentButton];
-
- //post a notification message
- PostMouseNotify(hwnd, NM_CLICK, sb->nBarType, &rect, sbut->uCmdId, pt);
-
- GetWindowRect(hwnd, &winrect);
- OffsetRect(&rect, -winrect.left, -winrect.top);
- hdc = GetWindowDC(hwnd);
-
- DrawScrollButton(sbut, hdc, &rect, SBBS_PUSHED);
-
- ReleaseDC(hwnd, hdc);
-
- break;
-#endif //INCLUDE_BUTTONS
-
- case HTSCROLL_THUMB:
-
- //if the scrollbar is disabled, then do no further processing
- if ( !IsScrollbarActive(sb))
- return 0;
-
- GetRealScrollRect(sb, &rect);
- RotateRect0(sb, &rect);
- CalcThumbSize(sb, &rect, &nThumbSize, &nThumbPos);
- RotateRect0(sb, &rect);
-
- //remember the bounding rectangle of the scrollbar work area
- rcThumbBounds = rect;
-
- sw->fThumbTracking = TRUE;
- sb->scrollInfo.nTrackPos = sb->scrollInfo.nPos;
-
- if (wParam == HTVSCROLL)
- nThumbMouseOffset = pt.y - nThumbPos;
- else
- nThumbMouseOffset = pt.x - nThumbPos;
-
- nLastPos = -sb->scrollInfo.nPos;
- nThumbPos0 = nThumbPos;
-
- //if (sb->fFlatScrollbar)
- //{
- GetWindowRect(hwnd, &winrect);
- OffsetRect(&rect, -winrect.left, -winrect.top);
- hdc = GetWindowDC(hwnd);
- NCDrawScrollbar(sb, hwnd, hdc, &rect, HTSCROLL_THUMB);
- ReleaseDC(hwnd, hdc);
- //}
-
- break;
-
- //Any part of the scrollbar
- case HTSCROLL_LEFT:
- if (sb->fScrollFlags & ESB_DISABLE_LEFT) return 0;
- else goto target1;
-
- case HTSCROLL_RIGHT:
- if (sb->fScrollFlags & ESB_DISABLE_RIGHT) return 0;
- else goto target1;
-
- goto target1;
-
- case HTSCROLL_PAGELEFT: case HTSCROLL_PAGERIGHT:
-
- target1:
-
- //if the scrollbar is disabled, then do no further processing
- if ( !IsScrollbarActive(sb))
- break;
-
- //ajust the horizontal rectangle to NOT include
- //any inserted buttons
- GetRealScrollRect(sb, &rect);
-
- SendScrollMessage(hwnd, uScrollTimerMsg, uCurrentScrollPortion, 0);
-
- // Check what area the mouse is now over :
- // If the scroll thumb has moved under the mouse in response to
- // a call to SetScrollPos etc, then we don't hilight the scrollbar margin
- if (uCurrentScrollbar == SB_HORZ)
- uScrollTimerPortion = GetHorzScrollPortion(sb, &rect, pt.x, pt.y);
- else
- uScrollTimerPortion = GetVertScrollPortion(sb, &rect, pt.x, pt.y);
-
- GetWindowRect(hwnd, &winrect);
- OffsetRect(&rect, -winrect.left, -winrect.top);
- hdc = GetWindowDC(hwnd);
-
-#ifndef HOT_TRACKING
- //if we aren't hot-tracking, then don't highlight
- //the scrollbar thumb unless we click on it
- if (uScrollTimerPortion == HTSCROLL_THUMB)
- uScrollTimerPortion = HTSCROLL_NONE;
-#endif
- NCDrawScrollbar(sb, hwnd, hdc, &rect, uScrollTimerPortion);
- ReleaseDC(hwnd, hdc);
-
- //Post the scroll message!!!!
- uScrollTimerPortion = uCurrentScrollPortion;
-
- //set a timer going on the first click.
- //if this one expires, then we can start off a more regular timer
- //to generate the auto-scroll behaviour
- uScrollTimerId = SetTimer(hwnd, COOLSB_TIMERID1, COOLSB_TIMERINTERVAL1, 0);
- break;
- default:
- return mir_callNextSubclass(hwnd, CoolSBWndProc, WM_NCLBUTTONDOWN, wParam, lParam);
- //return 0;
- }
-
- SetCapture(hwnd);
- return 0;
-}
-
-//
-// Left button released
-//
-static LRESULT LButtonUp(SCROLLWND *sw, HWND hwnd, WPARAM wParam, LPARAM lParam)
-{
- RECT rect;
- //UINT thisportion;
- HDC hdc;
- POINT pt;
- RECT winrect;
-
- //current scrollportion is the button that we clicked down on
- if (uCurrentScrollPortion != HTSCROLL_NONE)
- {
- SCROLLBAR *sb = &sw->sbarHorz;
- lParam = GetMessagePos();
- ReleaseCapture();
-
- GetWindowRect(hwnd, &winrect);
- pt.x = LOWORD(lParam);
- pt.y = HIWORD(lParam);
-
- //emulate the mouse input on a scrollbar here...
- if (uCurrentScrollbar == SB_HORZ)
- {
- //get the total area of the normal Horz scrollbar area
- sb = &sw->sbarHorz;
- GetHScrollRect(sw, hwnd, &rect);
- }
- else if (uCurrentScrollbar == SB_VERT)
- {
- //get the total area of the normal Horz scrollbar area
- sb = &sw->sbarVert;
- GetVScrollRect(sw, hwnd, &rect);
- }
-
- //we need to do different things depending on if the
- //user is activating the scrollbar itself, or one of
- //the inserted buttons
- switch(uCurrentScrollPortion)
- {
-#ifdef INCLUDE_BUTTONS
- //inserted buttons are being clicked
- case HTSCROLL_INSERTED:
-
- //get the rectangle of the ACTIVE button
- buttonIdx = GetButtonFromPt(sb, &rect, pt, FALSE);
- GetButtonRectFromId(sb, &rect, uCurrentButton);
-
- OffsetRect(&rect, -winrect.left, -winrect.top);
-
- //Send the notification BEFORE we redraw, so the
- //bitmap can be changed smoothly by the user if they require
- if (uCurrentButton == buttonIdx)
- {
- SCROLLBUT *sbut = &sb->sbButtons[buttonIdx];
- UINT cmdid = sbut->uCmdId;
-
- if ((sbut->uButType & SBBT_MASK) == SBBT_TOGGLEBUTTON)
- sbut->uState ^= 1;
-
- //send a notify??
- //only post a message if the command id is valid
- if (cmdid != -1 && cmdid > 0)
- SendMessage(hwnd, WM_COMMAND, MAKEWPARAM(cmdid, CSBN_CLICKED), 0);
-
- //user might have deleted this button, so redraw whole area
- NCPaint(sw, hwnd, 1, 0);
- }
- else
- {
- //otherwise, just redraw the button in its new state
- hdc = GetWindowDC(hwnd);
- DrawScrollButton(&sb->sbButtons[uCurrentButton], hdc, &rect, SBBS_NORMAL);
- ReleaseDC(hwnd, hdc);
- }
-
- break;
-#endif // INCLUDE_BUTTONS
-
- //The scrollbar is active
- case HTSCROLL_LEFT: case HTSCROLL_RIGHT:
- case HTSCROLL_PAGELEFT: case HTSCROLL_PAGERIGHT:
- case HTSCROLL_NONE:
-
- KillTimer(hwnd, uScrollTimerId);
-
- case HTSCROLL_THUMB:
-
- //In case we were thumb tracking, make sure we stop NOW
- if (sw->fThumbTracking == TRUE)
- {
- SendScrollMessage(hwnd, uScrollTimerMsg, SB_THUMBPOSITION, nLastPos);
- sw->fThumbTracking = FALSE;
- }
-
- //send the SB_ENDSCROLL message now that scrolling has finished
- SendScrollMessage(hwnd, uScrollTimerMsg, SB_ENDSCROLL, 0);
-
- //adjust the total scroll area to become where the scrollbar
- //really is (take into account the inserted buttons)
- GetRealScrollRect(sb, &rect);
- OffsetRect(&rect, -winrect.left, -winrect.top);
- hdc = GetWindowDC(hwnd);
-
- //draw whichever scrollbar sb is
- NCDrawScrollbar(sb, hwnd, hdc, &rect, HTSCROLL_NORMAL);
-
- ReleaseDC(hwnd, hdc);
- break;
- }
-
- //reset our state to default
- uCurrentScrollPortion = HTSCROLL_NONE;
- uScrollTimerPortion = HTSCROLL_NONE;
- uScrollTimerId = 0;
-
- uScrollTimerMsg = 0;
- uCurrentScrollbar = COOLSB_NONE;
-
- return 0;
- }
- else
- {
- /*
- // Can't remember why I did this!
- if (GetCapture() == hwnd)
- {
- ReleaseCapture();
- }*/
- }
-
- return mir_callNextSubclass(hwnd, CoolSBWndProc, WM_LBUTTONUP, wParam, lParam);
-}
-
-//
-// This function is called whenever the mouse is moved and
-// we are dragging the scrollbar thumb about.
-//
-static LRESULT ThumbTrackHorz(SCROLLBAR *sbar, HWND hwnd, int x, int y)
-{
- POINT pt;
- RECT rc, winrect, rc2;
- COLORREF crCheck1 = GetSBForeColor();
- COLORREF crCheck2 = GetSBBackColor();
- HDC hdc;
- int thumbpos = nThumbPos;
- int pos;
- int siMaxMin = 0;
- UINT flatflag = sbar->fFlatScrollbar ? BF_FLAT : 0;
- BOOL fCustomDraw = FALSE;
-
- SCROLLINFO *si;
- si = &sbar->scrollInfo;
-
- pt.x = x;
- pt.y = y;
-
- //draw the thumb at whatever position
- rc = rcThumbBounds;
-
- SetRect(&rc2, rc.left - THUMBTRACK_SNAPDIST*2, rc.top - THUMBTRACK_SNAPDIST,
- rc.right + THUMBTRACK_SNAPDIST*2, rc.bottom + THUMBTRACK_SNAPDIST);
-
- rc.left += GetScrollMetric(sbar, SM_CXHORZSB);
- rc.right -= GetScrollMetric(sbar, SM_CXHORZSB);
-
- //if the mouse is not in a suitable distance of the scrollbar,
- //then "snap" the thumb back to its initial position
-#ifdef SNAP_THUMB_BACK
- if ( !PtInRect(&rc2, pt))
- {
- thumbpos = nThumbPos0;
- }
- //otherwise, move the thumb to where the mouse is
- else
-#endif //SNAP_THUMB_BACK
- {
- //keep the thumb within the scrollbar limits
- thumbpos = pt.x - nThumbMouseOffset;
- if (thumbpos < rc.left) thumbpos = rc.left;
- if (thumbpos > rc.right - nThumbSize) thumbpos = rc.right - nThumbSize;
- }
-
- GetWindowRect(hwnd, &winrect);
-
- if (sbar->nBarType == SB_VERT)
- RotateRect(&winrect);
-
- hdc = GetWindowDC(hwnd);
-
-//#ifdef CUSTOM_DRAW
- fCustomDraw = PostCustomPrePostPaint(hwnd, hdc, sbar, CDDS_PREPAINT) == CDRF_SKIPDEFAULT;
-//#endif
-
- OffsetRect(&rc, -winrect.left, -winrect.top);
- thumbpos -= winrect.left;
-
- //draw the margin before the thumb
- SetRect(&rc2, rc.left, rc.top, thumbpos, rc.bottom);
- RotateRect0(sbar, &rc2);
-
- if (fCustomDraw)
- PostCustomDrawNotify(hwnd, hdc, sbar->nBarType, &rc2, SB_PAGELEFT, 0, 0, 0);
- else
- DrawCheckedRect(hdc, &rc2, crCheck1, crCheck2);
-
- RotateRect0(sbar, &rc2);
-
- //draw the margin after the thumb
- SetRect(&rc2, thumbpos+nThumbSize, rc.top, rc.right, rc.bottom);
-
- RotateRect0(sbar, &rc2);
-
- if (fCustomDraw)
- PostCustomDrawNotify(hwnd, hdc, sbar->nBarType, &rc2, SB_PAGERIGHT, 0, 0, 0);
- else
- DrawCheckedRect(hdc, &rc2, crCheck1, crCheck2);
-
- RotateRect0(sbar, &rc2);
-
- //finally draw the thumb itelf. This is how it looks on win2000, anyway
- SetRect(&rc2, thumbpos, rc.top, thumbpos+nThumbSize, rc.bottom);
-
- RotateRect0(sbar, &rc2);
-
- if (fCustomDraw)
- PostCustomDrawNotify(hwnd, hdc, sbar->nBarType, &rc2, SB_THUMBTRACK, TRUE, TRUE, FALSE);
- else
- {
-
-#ifdef FLAT_SCROLLBARS
- if (sbar->fFlatScrollbar)
- PaintRect(hdc, &rc2, GetSysColor(COLOR_3DSHADOW));
- else
-#endif
- {
- DrawBlankButton(hdc, &rc2, flatflag);
- }
- }
-
- RotateRect0(sbar, &rc2);
- ReleaseDC(hwnd, hdc);
-
- //post a SB_TRACKPOS message!!!
- siMaxMin = si->nMax - si->nMin;
-
- if (siMaxMin > 0)
- pos = MulDiv(thumbpos-rc.left, siMaxMin-si->nPage + 1, rc.right-rc.left-nThumbSize);
- else
- pos = thumbpos - rc.left;
-
- if (pos != nLastPos)
- {
- si->nTrackPos = pos;
- SendScrollMessage(hwnd, uScrollTimerMsg, SB_THUMBTRACK, pos);
- }
-
- nLastPos = pos;
-
-//#ifdef CUSTOM_DRAW
- PostCustomPrePostPaint(hwnd, hdc, sbar, CDDS_POSTPAINT);
-//#endif
-
- return 0;
-}
-
-//
-// remember to rotate the thumb bounds rectangle!!
-//
-static LRESULT ThumbTrackVert(SCROLLBAR *sb, HWND hwnd, int x, int y)
-{
- //sw->swapcoords = TRUE;
- RotateRect(&rcThumbBounds);
- ThumbTrackHorz(sb, hwnd, y, x);
- RotateRect(&rcThumbBounds);
- //sw->swapcoords = FALSE;
-
- return 0;
-}
-
-//
-// Called when we have set the capture from the NCLButtonDown(...)
-//
-static LRESULT MouseMove(SCROLLWND *sw, HWND hwnd, WPARAM wParam, LPARAM lParam)
-{
- RECT rect;
- UINT thisportion;
- HDC hdc;
- static UINT lastportion = 0;
- static UINT lastbutton = 0;
- POINT pt;
- RECT winrect;
- UINT buttonIdx = 0;
-
- if (sw->fThumbTracking == TRUE)
- {
- int x, y;
- lParam = GetMessagePos();
- x = LOWORD(lParam);
- y = HIWORD(lParam);
-
- if (uCurrentScrollbar == SB_HORZ)
- return ThumbTrackHorz(&sw->sbarHorz, hwnd, x,y);
-
- else if (uCurrentScrollbar == SB_VERT)
- return ThumbTrackVert(&sw->sbarVert, hwnd, x,y);
- }
-
- if (uCurrentScrollPortion == HTSCROLL_NONE)
- return mir_callNextSubclass(hwnd, CoolSBWndProc, WM_MOUSEMOVE, wParam, lParam);
-
- LPARAM nlParam;
- SCROLLBAR *sb = &sw->sbarHorz;
-
- nlParam = GetMessagePos();
-
- GetWindowRect(hwnd, &winrect);
-
- pt.x = LOWORD(nlParam);
- pt.y = HIWORD(nlParam);
-
- //emulate the mouse input on a scrollbar here...
- if (uCurrentScrollbar == SB_HORZ)
- {
- sb = &sw->sbarHorz;
- }
- else if (uCurrentScrollbar == SB_VERT)
- {
- sb = &sw->sbarVert;
- }
-
- //get the total area of the normal scrollbar area
- GetScrollRect(sw, sb->nBarType, hwnd, &rect);
-
- //see if we clicked in the inserted buttons / normal scrollbar
- //thisportion = GetPortion(sb, hwnd, &rect, LOWORD(lParam), HIWORD(lParam));
- thisportion = GetPortion(sb, &rect, pt.x, pt.y);
-
- //we need to do different things depending on if the
- //user is activating the scrollbar itself, or one of
- //the inserted buttons
- switch(uCurrentScrollPortion) {
-#ifdef INCLUDE_BUTTONS
- //inserted buttons are being clicked
- case HTSCROLL_INSERTED:
-
- //find the index of the button that has been clicked
- //Don't adjust the rectangle though
- buttonIdx = GetButtonFromPt(sb, &rect, pt, FALSE);
-
- //Get the rectangle of the active button
- GetButtonRectFromId(sb, &rect, uCurrentButton);
-
- //if the button to the LEFT of the current
- //button is resizable, then resize it
-#ifdef RESIZABLE_BUTTONS
- if (uCurrentButton > 0)
- {
- sbut = &sb->sbButtons[uCurrentButton - 1];
-
- //only resize if BOTH buttons are on same side of scrollbar
- if (sbut->uPlacement == (sbut+1)->uPlacement && (sbut->uButType & SBBM_RESIZABLE))
- {
- int oldsize = sbut->nSize;
- int butsize1, butsize2;
- RECT rect2;
- int scrollsize;
-
- if (uCurrentScrollbar == SB_HORZ)
- {
- rect.left -= GetSingleButSize(sb, sbut);
- sbut->nSize = pt.x - rect.left;
- }
- else
- {
- rect.top -= GetSingleButSize(sb, sbut);
- sbut->nSize = pt.y - rect.top;
- }
-
- //if (sbut->nSize < 0) sbut->nSize = 0;
- if (sbut->nSize < (int)sbut->nMinSize)
- sbut->nSize = sbut->nMinSize;
-
- if ((UINT)sbut->nSize > (UINT)sbut->nMaxSize)
- sbut->nSize = sbut->nMaxSize;
-
- GetScrollRect(sw, uCurrentScrollbar, hwnd, &rect2);
-
- if (uCurrentScrollbar == SB_HORZ)
- scrollsize = rect2.right-rect2.left;
- else
- scrollsize = rect2.bottom-rect2.top;
-
- butsize1 = GetButtonSize(sb, hwnd, SBBP_LEFT);
- butsize2 = GetButtonSize(sb, hwnd, SBBP_RIGHT);
-
- //adjust the button size if it gets too big
- if (butsize1 + butsize2 > scrollsize - MINSCROLLSIZE)
- {
- sbut->nSize -= (butsize1+butsize2) - (scrollsize - MINSCROLLSIZE);
- }
-
- //remember what size the USER set the button to
- sbut->nSizeReserved = sbut->nSize;
- NCPaint(sw, hwnd, 1, 0);
- return 0;
- }
- }
-#endif //RESIZABLE_BUTTONS
-
- OffsetRect(&rect, -winrect.left, -winrect.top);
-
- hdc = GetWindowDC(hwnd);
-
- //if the button under the mouse is not the active button,
- //then display the active button in its normal state
- if (buttonIdx != uCurrentButton
- //include this if toggle buttons always stay depressed
- //if they are being activated
- && (sb->sbButtons[uCurrentButton].uButType & SBBT_MASK) != SBBT_TOGGLEBUTTON)
- {
- if (lastbutton != buttonIdx)
- DrawScrollButton(&sb->sbButtons[uCurrentButton], hdc, &rect, SBBS_NORMAL);
- }
- //otherwise, depress the active button if the mouse is over
- //it (just like a normal scroll button works)
- else
- {
- if (lastbutton != buttonIdx)
- DrawScrollButton(&sb->sbButtons[uCurrentButton], hdc, &rect, SBBS_PUSHED);
- }
-
- ReleaseDC(hwnd, hdc);
- return mir_callNextSubclass(hwnd, CoolSBWndProc, WM_MOUSEMOVE, wParam, lParam);
- //break;
-
-#endif //INCLUDE_BUTTONS
-
- //The scrollbar is active
- case HTSCROLL_LEFT: case HTSCROLL_RIGHT:case HTSCROLL_THUMB:
- case HTSCROLL_PAGELEFT: case HTSCROLL_PAGERIGHT:
- case HTSCROLL_NONE:
- //adjust the total scroll area to become where the scrollbar
- //really is (take into account the inserted buttons)
- GetRealScrollRect(sb, &rect);
-
- OffsetRect(&rect, -winrect.left, -winrect.top);
- hdc = GetWindowDC(hwnd);
-
- if (thisportion != uCurrentScrollPortion)
- {
- uScrollTimerPortion = HTSCROLL_NONE;
-
- if (lastportion != thisportion)
- NCDrawScrollbar(sb, hwnd, hdc, &rect, HTSCROLL_NORMAL);
- }
- //otherwise, draw the button in its depressed / clicked state
- else
- {
- uScrollTimerPortion = uCurrentScrollPortion;
-
- if (lastportion != thisportion)
- NCDrawScrollbar(sb, hwnd, hdc, &rect, thisportion);
- }
-
- ReleaseDC(hwnd, hdc);
- break;
- }
-
- lastportion = thisportion;
- lastbutton = buttonIdx;
- return 0;
-}
-
-#ifdef INCLUDE_BUTTONS
-#ifdef RESIZABLE_BUTTONS
-//
-// Any resizable buttons must be shrunk to fit if the window is made too small
-//
-static void ResizeButtonsToFit(SCROLLWND *sw, SCROLLBAR *sbar, HWND hwnd)
-{
- int butsize1, butsize2;
- RECT rc;
- int scrollsize;
- int i;
- SCROLLBUT *sbut;
-
- //make sure that the scrollbar can fit into space, by
- //shrinking any resizable buttons
- GetScrollRect(sw, sbar->nBarType, hwnd, &rc);
-
- if (sbar->nBarType == SB_HORZ)
- scrollsize = rc.right-rc.left;
- else
- scrollsize = rc.bottom-rc.top;
-
- //restore any resizable buttons to their user-defined sizes,
- //before shrinking them to fit. This means when we make the window
- //bigger, the buttons will restore to their initial sizes
- for (i = 0; i < sbar->nButtons; i++)
- {
- sbut = &sbar->sbButtons[i];
- if (sbut->uButType & SBBM_RESIZABLE)
- {
- sbut->nSize = sbut->nSizeReserved;
- }
- }
-
- butsize1 = GetButtonSize(sbar, hwnd, SBBP_LEFT);
- butsize2 = GetButtonSize(sbar, hwnd, SBBP_RIGHT);
-
- if (butsize1 + butsize2 > scrollsize - MINSCROLLSIZE)
- {
- i = 0;
- while(i < sbar->nButtons &&
- butsize1 + butsize2 > scrollsize - MINSCROLLSIZE)
- {
- sbut = &sbar->sbButtons[i++];
- if (sbut->uButType & SBBM_RESIZABLE)
- {
- int oldsize = sbut->nSize;
- sbut->nSize -= (butsize1+butsize2) - (scrollsize-MINSCROLLSIZE);
-
- if (sbut->nSize < (int)sbut->nMinSize)
- sbut->nSize = sbut->nMinSize;
-
- if ((UINT)sbut->nSize > (UINT)sbut->nMaxSize)
- sbut->nSize = sbut->nMaxSize;
-
-
- butsize1 -= (oldsize - sbut->nSize);
- }
- }
- }
-
-}
-#endif
-#endif
-
-//
-// We must allocate from in the non-client area for our scrollbars
-// Call the default window procedure first, to get the borders (if any)
-// allocated some space, then allocate the space for the scrollbars
-// if they fit
-//
-static LRESULT NCCalcSize(SCROLLWND *sw, HWND hwnd, WPARAM wParam, LPARAM lParam)
-{
- NCCALCSIZE_PARAMS *nccsp;
- RECT *rect;
- RECT oldrect;
- SCROLLBAR *sb;
- LRESULT ret;
- DWORD dwStyle;
-
- //Regardless of the value of fCalcValidRects, the first rectangle
- //in the array specified by the rgrc structure member of the
- //NCCALCSIZE_PARAMS structure contains the coordinates of the window,
- //so we can use the exact same code to modify this rectangle, when
- //wParam is TRUE and when it is FALSE.
- nccsp = (NCCALCSIZE_PARAMS *)lParam;
- rect = &nccsp->rgrc[0];
- oldrect = *rect;
-
- dwStyle = GetWindowLongPtr(hwnd, GWL_STYLE);
-
- // TURN OFF SCROLL-STYLES.
- if ( dwStyle & (WS_VSCROLL|WS_HSCROLL))
- {
- sw->bPreventStyleChange = TRUE;
- SetWindowLongPtr(hwnd, GWL_STYLE, dwStyle & ~(WS_VSCROLL|WS_HSCROLL));
- }
-
- //call the default procedure to get the borders allocated
- ret = mir_callNextSubclass(hwnd, CoolSBWndProc, WM_NCCALCSIZE, wParam, lParam);
-
- // RESTORE PREVIOUS STYLES (if present at all)
- if ( dwStyle & (WS_VSCROLL|WS_HSCROLL))
- {
- SetWindowLongPtr(hwnd, GWL_STYLE, dwStyle);
- sw->bPreventStyleChange = FALSE;
- }
-
- // calculate what the size of each window border is,
- sw->cxLeftEdge = rect->left - oldrect.left;
- sw->cxRightEdge = oldrect.right - rect->right;
- sw->cyTopEdge = rect->top - oldrect.top;
- sw->cyBottomEdge = oldrect.bottom - rect->bottom;
-
- sb = &sw->sbarHorz;
-
- //if there is room, allocate some space for the horizontal scrollbar
- //NOTE: Change the ">" to a ">=" to make the horz bar totally fill the
- //window before disappearing
- if ((sb->fScrollFlags & CSBS_VISIBLE) &&
-#ifdef COOLSB_FILLWINDOW
- rect->bottom - rect->top >= GetScrollMetric(sb, SM_CYHORZSB))
-#else
- rect->bottom - rect->top > GetScrollMetric(sb, SM_CYHORZSB))
-#endif
- {
- rect->bottom -= GetScrollMetric(sb, SM_CYHORZSB);
- sb->fScrollVisible = TRUE;
- }
- else
- sb->fScrollVisible = FALSE;
-
- sb = &sw->sbarVert;
-
- //if there is room, allocate some space for the vertical scrollbar
- if ((sb->fScrollFlags & CSBS_VISIBLE) &&
- rect->right - rect->left >= GetScrollMetric(sb, SM_CXVERTSB))
- {
- if (sw->fLeftScrollbar)
- rect->left += GetScrollMetric(sb, SM_CXVERTSB);
- else
- rect->right -= GetScrollMetric(sb, SM_CXVERTSB);
-
- sb->fScrollVisible = TRUE;
- }
- else
- sb->fScrollVisible = FALSE;
-
-#ifdef INCLUDE_BUTTONS
-#ifdef RESIZABLE_BUTTONS
- ResizeButtonsToFit(sw, &sw->sbarHorz, hwnd);
- ResizeButtonsToFit(sw, &sw->sbarVert, hwnd);
-#endif
-#endif
-
- //don't return a value unless we actually modify the other rectangles
- //in the NCCALCSIZE_PARAMS structure. In this case, we return 0
- //no matter what the value of fCalcValidRects is
- return ret;//FALSE;
-}
-
-//
-// used for hot-tracking over the scroll buttons
-//
-static LRESULT NCMouseMove(SCROLLWND *sw, HWND hwnd, WPARAM wHitTest, LPARAM lParam)
-{
- //install a timer for the mouse-over events, if the mouse moves
- //over one of the scrollbars
-#ifdef HOT_TRACKING
- hwndCurCoolSB = hwnd;
- if (wHitTest == HTHSCROLL)
- {
- if (uMouseOverScrollbar == SB_HORZ)
- return mir_callNextSubclass(hwnd, CoolSBWndProc, WM_NCMOUSEMOVE, wHitTest, lParam);
-
- uLastHitTestPortion = HTSCROLL_NONE;
- uHitTestPortion = HTSCROLL_NONE;
- GetScrollRect(sw, SB_HORZ, hwnd, &MouseOverRect);
- uMouseOverScrollbar = SB_HORZ;
- uMouseOverId = SetTimer(hwnd, COOLSB_TIMERID3, COOLSB_TIMERINTERVAL3, 0);
-
- NCPaint(sw, hwnd, 1, 0);
- }
- else if (wHitTest == HTVSCROLL)
- {
- if (uMouseOverScrollbar == SB_VERT)
- return mir_callNextSubclass(hwnd, CoolSBWndProc, WM_NCMOUSEMOVE, wHitTest, lParam);
-
- uLastHitTestPortion = HTSCROLL_NONE;
- uHitTestPortion = HTSCROLL_NONE;
- GetScrollRect(sw, SB_VERT, hwnd, &MouseOverRect);
- uMouseOverScrollbar = SB_VERT;
- uMouseOverId = SetTimer(hwnd, COOLSB_TIMERID3, COOLSB_TIMERINTERVAL3, 0);
-
- NCPaint(sw, hwnd, 1, 0);
- }
-
-#endif //HOT_TRACKING
- return mir_callNextSubclass(hwnd, CoolSBWndProc, WM_NCMOUSEMOVE, wHitTest, lParam);
-}
-
-//
-// Timer routine to generate scrollbar messages
-//
-static LRESULT CoolSB_Timer(SCROLLWND *swnd, HWND hwnd, WPARAM wTimerId, LPARAM lParam)
-{
- //let all timer messages go past if we don't have a timer installed ourselves
- if (uScrollTimerId == 0 && uMouseOverId == 0)
- return mir_callNextSubclass(hwnd, CoolSBWndProc, WM_TIMER, wTimerId, lParam);
-
-#ifdef HOT_TRACKING
- //mouse-over timer
- if (wTimerId == COOLSB_TIMERID3)
- {
- POINT pt;
- RECT rect, winrect;
- HDC hdc;
- SCROLLBAR *sbar;
-
- if (swnd->fThumbTracking)
- return 0;
-
- //if the mouse moves outside the current scrollbar,
- //then kill the timer..
- GetCursorPos(&pt);
-
- if ( !PtInRect(&MouseOverRect, pt))
- {
- KillTimer(hwnd, uMouseOverId);
- uMouseOverId = 0;
- uMouseOverScrollbar = COOLSB_NONE;
- uLastHitTestPortion = HTSCROLL_NONE;
-
- uHitTestPortion = HTSCROLL_NONE;
- NCPaint(swnd, hwnd, 1, 0);
- }
- else
- {
- if (uMouseOverScrollbar == SB_HORZ)
- {
- sbar = &swnd->sbarHorz;
- uHitTestPortion = GetHorzPortion(sbar, &MouseOverRect, pt.x, pt.y);
- }
- else
- {
- sbar = &swnd->sbarVert;
- uHitTestPortion = GetVertPortion(sbar, &MouseOverRect, pt.x, pt.y);
- }
-
- if (uLastHitTestPortion != uHitTestPortion)
- {
- rect = MouseOverRect;
- GetRealScrollRect(sbar, &rect);
-
- GetWindowRect(hwnd, &winrect);
- OffsetRect(&rect, -winrect.left, -winrect.top);
-
- hdc = GetWindowDC(hwnd);
- NCDrawScrollbar(sbar, hwnd, hdc, &rect, HTSCROLL_NONE);
- ReleaseDC(hwnd, hdc);
- }
-
- uLastHitTestPortion = uHitTestPortion;
- }
-
- return 0;
- }
-#endif // HOT_TRACKING
-
- //if the first timer goes off, then we can start a more
- //regular timer interval to auto-generate scroll messages
- //this gives a slight pause between first pressing the scroll arrow, and the
- //actual scroll starting
- if (wTimerId == COOLSB_TIMERID1)
- {
- KillTimer(hwnd, uScrollTimerId);
- uScrollTimerId = SetTimer(hwnd, COOLSB_TIMERID2, COOLSB_TIMERINTERVAL2, 0);
- return 0;
- }
- //send the scrollbar message repeatedly
- else if (wTimerId == COOLSB_TIMERID2)
- {
- //need to process a spoof WM_MOUSEMOVE, so that
- //we know where the mouse is each time the scroll timer goes off.
- //This is so we can stop sending scroll messages if the thumb moves
- //under the mouse.
- POINT pt;
- GetCursorPos(&pt);
- ScreenToClient(hwnd, &pt);
-
- MouseMove(swnd, hwnd, MK_LBUTTON, MAKELPARAM(pt.x, pt.y));
-
- if (uScrollTimerPortion != HTSCROLL_NONE)
- SendScrollMessage(hwnd, uScrollTimerMsg, uScrollTimerPortion, 0);
-
- return 0;
- }
-
- return mir_callNextSubclass(hwnd, CoolSBWndProc, WM_TIMER, wTimerId, lParam);
-}
-
-//
-// We must intercept any calls to SetWindowLongPtr, to check if
-// left-scrollbars are taking effect or not
-//
-static LRESULT CoolSB_StyleChange(SCROLLWND *swnd, HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam)
-{
- STYLESTRUCT *ss = (STYLESTRUCT *)lParam;
-
- if (wParam == GWL_EXSTYLE)
- {
- if (ss->styleNew & WS_EX_LEFTSCROLLBAR)
- swnd->fLeftScrollbar = TRUE;
- else
- swnd->fLeftScrollbar = FALSE;
- }
-
- return mir_callNextSubclass(hwnd, CoolSBWndProc, msg, wParam, lParam);
-}
-
-static UINT curTool = -1;
-static LRESULT CoolSB_Notify(SCROLLWND* /*swnd*/, HWND hwnd, WPARAM wParam, LPARAM lParam)
-{
-#ifdef COOLSB_TOOLTIPS
-
- NMTTDISPINFO *nmdi = (NMTTDISPINFO *)lParam;
-
- if (nmdi->hdr.hwndFrom == swnd->hwndToolTip &&
- nmdi->hdr.code == TTN_GETDISPINFO)
- {
- //convert the tooltip notify from a "ISHWND" style
- //request to an id-based request.
- //We do this because our tooltip is a window-style
- //tip, with no tools, and the GETDISPINFO request must
- //indicate which button to retrieve the text for
- //nmdi->hdr.idFrom = curTool;
- nmdi->hdr.idFrom = curTool;
- nmdi->hinst = GetModuleHandle(0);
- nmdi->uFlags &= ~TTF_IDISHWND;
- }
-#endif //COOLSB_TOOLTIPS
-
- return mir_callNextSubclass(hwnd, CoolSBWndProc, WM_NOTIFY, wParam, lParam);
-}
-
-static LRESULT SendToolTipMessage0(HWND hwndTT, UINT message, WPARAM wParam, LPARAM lParam)
-{
- return SendMessage(hwndTT, message, wParam, lParam);
-}
-
-#ifdef COOLSB_TOOLTIPS
-#define SendToolTipMessage SendToolTipMessage0
-#else
-#define SendToolTipMessage 1 ? (void)0 : SendToolTipMessage0
-#endif
-
-
-//
-// We must intercept any calls to SetWindowLongPtr, to make sure that
-// the user does not set the WS_VSCROLL or WS_HSCROLL styles
-//
-static LRESULT CoolSB_SetCursor(SCROLLWND* /*swnd*/, HWND hwnd, WPARAM wParam, LPARAM lParam)
-{
-#ifdef INCLUDE_BUTTONS
- UINT lo = LOWORD(lParam);
- UINT hi = HIWORD(lParam);
- UINT xy;
- RECT rect;
- SCROLLBAR *sbar;
- SCROLLBUT *sbut;
- POINT pt;
- UINT id;
- static UINT lastid;
-
-#ifdef HIDE_CURSOR_AFTER_MOUSEUP
- static UINT lastmsg;
- if (lastmsg == WM_LBUTTONDOWN)
- {
- lastmsg = hi;
- return mir_callNextSubclass(hwnd, CoolSBWndProc, WM_SETCURSOR, wParam, lParam);
- }
- else
- lastmsg = hi;
-#endif
-
- //if we are over either or our scrollbars
- if (lo == HTHSCROLL || lo == HTVSCROLL)
- {
- xy = GetMessagePos();
- pt.x = LOWORD(xy);
- pt.y = HIWORD(xy);
-
- if (lo == HTHSCROLL)
- {
- sbar = &swnd->sbarHorz;
- GetScrollRect(swnd, SB_HORZ, hwnd, &rect);
- id = GetHorzPortion(sbar, hwnd, &rect, pt.x, pt.y);
- }
- else
- {
- sbar = &swnd->sbarVert;
- GetScrollRect(swnd, SB_VERT, hwnd, &rect);
- id = GetVertPortion(sbar, hwnd, &rect, pt.x, pt.y);
- }
-
- if (id != HTSCROLL_INSERTED)
- {
- if (swnd->hwndToolTip != 0)
- {
- SendToolTipMessage(swnd->hwndToolTip, TTM_ACTIVATE, FALSE, 0);
- SendToolTipMessage(swnd->hwndToolTip, TTM_POP, 0, 0);
- }
-
- return mir_callNextSubclass(hwnd, CoolSBWndProc, WM_SETCURSOR, wParam, lParam);
- }
-
- if (swnd->hwndToolTip != 0)
- {
- SendToolTipMessage(swnd->hwndToolTip, TTM_ACTIVATE, TRUE, 0);
- }
-
- //set the cursor if one has been specified
- if ((id = GetButtonFromPt(sbar, &rect, pt, TRUE)) != -1)
- {
- sbut = &sbar->sbButtons[id];
- curTool = sbut->uCmdId;
-
- if (lastid != id && swnd->hwndToolTip != 0)
- {
- if (IsWindowVisible(swnd->hwndToolTip))
- SendToolTipMessage(swnd->hwndToolTip, TTM_UPDATE, TRUE, 0);
- }
-
- lastid = id;
-
- if (sbut->hCurs != 0)
- {
- SetCursor(sbut->hCurs);
- return 0;
- }
- }
- else
- {
- curTool = -1;
- lastid = -1;
- }
- }
- else if (swnd->hwndToolTip != 0)
- {
- SendToolTipMessage(swnd->hwndToolTip, TTM_ACTIVATE, FALSE, 0);
- SendToolTipMessage(swnd->hwndToolTip, TTM_POP, 0, 0);
- }
-
-#endif //INCLUDE_BUTTONS
- return mir_callNextSubclass(hwnd, CoolSBWndProc, WM_SETCURSOR, wParam, lParam);
-}
-
-
-//
-// Send the specified message to the tooltip control
-//
-static void __stdcall RelayMouseEvent(HWND hwnd, HWND hwndToolTip, UINT event)
-{
-#ifdef COOLSB_TOOLTIPS
- MSG msg;
-
- CoolSB_ZeroMemory(&msg, sizeof(MSG));
- msg.hwnd = hwnd;
- msg.message = event;
-
- SendMessage(hwndToolTip, TTM_RELAYEVENT, 0, (LONG)&msg);
-#else
- UNREFERENCED_PARAMETER(hwnd);
- UNREFERENCED_PARAMETER(hwndToolTip);
- UNREFERENCED_PARAMETER(event);
-#endif
-}
-
-
-//
-// CoolScrollbar subclass procedure.
-// Handle all messages needed to mimick normal windows scrollbars
-//
-LRESULT CALLBACK CoolSBWndProc(HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam)
-{
- SCROLLWND *swnd = GetScrollWndFromHwnd(hwnd);
- static int count;
-
- switch(message) {
- case WM_NCDESTROY:
- //this should NEVER be called, because the user
- //should have called Uninitialize() themselves.
-
- //However, if the user tries to call Uninitialize()..
- //after this window is destroyed, this window's entry in the lookup
- //table will not be there, and the call will fail
- UninitializeCoolSB(hwnd);
-
- //we must call the original window procedure, otherwise it
- //will never get the WM_NCDESTROY message, and it wouldn't
- //be able to clean up etc.
- return mir_callNextSubclass(hwnd, CoolSBWndProc, message, wParam, lParam);
-
- case WM_NCCALCSIZE:
- return NCCalcSize(swnd, hwnd, wParam, lParam);
-
- case WM_NCPAINT:
- return NCPaint(swnd, hwnd, wParam, lParam);
-
- case WM_NCHITTEST:
- return NCHitTest(swnd, hwnd, wParam, lParam);
-
- case WM_NCRBUTTONDOWN: case WM_NCRBUTTONUP:
- case WM_NCMBUTTONDOWN: case WM_NCMBUTTONUP:
- RelayMouseEvent(hwnd, swnd->hwndToolTip, (WM_MOUSEMOVE-WM_NCMOUSEMOVE) + (message));
- if (wParam == HTHSCROLL || wParam == HTVSCROLL)
- return 0;
- else
- break;
-
- case WM_NCLBUTTONDBLCLK:
- //TRACE("WM_NCLBUTTONDBLCLK %d\n", count++);
- if (wParam == HTHSCROLL || wParam == HTVSCROLL)
- return NCLButtonDown(swnd, hwnd, wParam, lParam);
- else
- break;
-
- case WM_NCLBUTTONDOWN:
- //TRACE("WM_NCLBUTTONDOWN%d\n", count++);
- RelayMouseEvent(hwnd, swnd->hwndToolTip, WM_LBUTTONDOWN);
- return NCLButtonDown(swnd, hwnd, wParam, lParam);
-
-
- case WM_LBUTTONUP:
- //TRACE("WM_LBUTTONUP %d\n", count++);
- RelayMouseEvent(hwnd, swnd->hwndToolTip, WM_LBUTTONUP);
- return LButtonUp(swnd, hwnd, wParam, lParam);
-
- case WM_NOTIFY:
- return CoolSB_Notify(swnd, hwnd, wParam, lParam);
-
- //Mouse moves are received when we set the mouse capture,
- //even when the mouse moves over the non-client area
- case WM_MOUSEMOVE:
- //TRACE("WM_MOUSEMOVE %d\n", count++);
- return MouseMove(swnd, hwnd, wParam, lParam);
-
- case WM_TIMER:
- return CoolSB_Timer(swnd, hwnd, wParam, lParam);
-
- //case WM_STYLECHANGING:
- // return CoolSB_StyleChange(swnd, hwnd, WM_STYLECHANGING, wParam, lParam);
- case WM_STYLECHANGED:
-
- if (swnd->bPreventStyleChange)
- {
- // the NCPAINT handler has told us to eat this message!
- return 0;
- }
- else
- {
- if (message == WM_STYLECHANGED)
- return CoolSB_StyleChange(swnd, hwnd, WM_STYLECHANGED, wParam, lParam);
- else
- break;
- }
-
- case WM_NCMOUSEMOVE:
- {
- static LONG_PTR lastpos = -1;
-
- //TRACE("WM_NCMOUSEMOVE %d\n", count++);
-
- //The problem with NCMOUSEMOVE is that it is sent continuously
- //even when the mouse is stationary (under win2000 / win98)
- //
- //Tooltips don't like being sent a continous stream of mouse-moves
- //if the cursor isn't moving, because they will think that the mouse
- //is moving position, and the internal timer will never expire
- //
- if (lastpos != lParam)
- {
- RelayMouseEvent(hwnd, swnd->hwndToolTip, WM_MOUSEMOVE);
- lastpos = lParam;
- }
- }
-
- return NCMouseMove(swnd, hwnd, wParam, lParam);
-
-
- case WM_SETCURSOR:
- return CoolSB_SetCursor(swnd, hwnd, wParam, lParam);
-
- case WM_CAPTURECHANGED:
- break;
-
- default:
- break;
- }
-
- return mir_callNextSubclass(hwnd, CoolSBWndProc, message, wParam, lParam);
-}
-
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