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#include "main.h"
#include "listskin.h"
#include "scrollwnd.h"
#include "../nu/CCVersion.h"
#ifndef LVS_EX_DOUBLEBUFFER //this will work XP only
#define LVS_EX_DOUBLEBUFFER 0x00010000
#endif
COLORREF Blender(COLORREF fg, COLORREF bg){
return RGB((GetRValue(fg)+GetRValue(bg))/2,(GetGValue(fg)+GetGValue(bg))/2,(GetBValue(fg)+GetBValue(bg))/2);
}
//listview's wndproc
static INT_PTR CALLBACK wndproc(HWND hwndDlg, UINT uMsg, WPARAM wParam,LPARAM lParam)
{
ListSkin *ls=(ListSkin *)(LONG_PTR)GetWindowLongPtr(hwndDlg,GWLP_USERDATA);
INT_PTR r=handleListViewHeaderMsgs(hwndDlg,
ls->m_headerwnd,
ls->m_listwnd,
uMsg,
wParam,
lParam,
ls->sortShow,
ls->sortAscending,
ls->sortIndex);
if(r) return r;
if (uMsg == WM_ENABLE)
{
// custom handling of this allows us to handle disabled listview controls correctly
// so we don't have the part skinned / part OS colouring which happened before
InvalidateRect(hwndDlg,0,1);
ls->m_enabled = wParam;
return 1;
}
if (uMsg == WM_ERASEBKGND)
{
//fg> removes the header's region from the erasebackground's hdc clipping region
// so that they do not flicker when scrolling the list with the horizontal scrollbar
// in transparency mode
HDC dc = (HDC)wParam;
RECT r;
RECT hr;
GetClientRect(hwndDlg, &r);
GetClientRect(ListView_GetHeader(hwndDlg), &hr);
RECT lr;
SubtractRect(&lr, &r, &hr);
HRGN rgn = CreateRectRgnIndirect(&lr);
int rt = GetClipRgn(dc, rgn);
if (rt == 0) {
SelectClipRgn(dc, rgn);
} else if (rt > 0) {
HRGN trg = CreateRectRgnIndirect(&lr);
HRGN res = CreateRectRgn(0,0,0,0);
IntersectRgn(res, rgn, trg);
SelectClipRgn(dc, res);
DeleteRgn(res);
DeleteRgn(trg);
}
DeleteRgn(rgn);
}
if (uMsg == WM_KEYUP && wParam == VK_RETURN)
{
NMHDR nmh=
{
ls->m_listwnd,
GetDlgCtrlID(ls->m_listwnd),
NM_RETURN,
};
SendMessage(ls->m_hwnd,WM_NOTIFY,0,(LPARAM)&nmh);
return 0;
}
return CallWindowProc(ls->m_old_wndproc,hwndDlg,uMsg,wParam,lParam);
}
//dialog's wndproc
static INT_PTR CALLBACK mainwndproc(HWND hwndDlg, UINT uMsg, WPARAM wParam,LPARAM lParam)
{
ListSkin *ls=(ListSkin *)(LONG_PTR)GetWindowLongPtr(hwndDlg,GWLP_USERDATA);
if(uMsg==WM_USER+0x411) return 0;//ls->m_changing_item_sel;
if(uMsg==WM_NOTIFY)
{
LPNMCUSTOMDRAW lpnmcd = (NMCUSTOMDRAW *)lParam;
//HWND listwnd=ls->m_listwnd;
HWND listwnd=lpnmcd->hdr.hwndFrom;
if(lpnmcd->hdr.code == NM_CUSTOMDRAW && lpnmcd->hdr.hwndFrom == listwnd)
{
LPNMLVCUSTOMDRAW lplvcd = (LPNMLVCUSTOMDRAW)lParam;
NMCUSTOMDRAW &nmcd = lplvcd->nmcd;
//static bool bHighlighted = false;
switch(lplvcd->nmcd.dwDrawStage)
{
case CDDS_PREPAINT :
return CDRF_NOTIFYITEMDRAW;
// Modify item text and or background
case CDDS_ITEMPREPAINT:
{
int iRow = (int)nmcd.dwItemSpec;
bool bHighlighted = (ListView_GetItemState(listwnd, iRow, LVIS_SELECTED) != 0);
if (bHighlighted)
{
if(GetFocus()==listwnd && ls->m_enabled)
{
lplvcd->clrText = WADlg_getColor(WADLG_SELBAR_FGCOLOR);
lplvcd->clrTextBk = WADlg_getColor(WADLG_SELBAR_BGCOLOR);
} else {
lplvcd->clrText = (!ls->m_enabled?Blender(WADlg_getColor(WADLG_INACT_SELBAR_FGCOLOR),WADlg_getColor(WADLG_WNDBG)):WADlg_getColor(WADLG_INACT_SELBAR_FGCOLOR));
if(ls->m_enabled)
lplvcd->clrTextBk = WADlg_getColor(WADLG_INACT_SELBAR_BGCOLOR);
else
lplvcd->clrTextBk = WADlg_getColor(WADLG_ITEMBG);
}
}
else
{
if(!ls->m_enabled)
{
lplvcd->clrText = Blender(WADlg_getColor(WADLG_INACT_SELBAR_FGCOLOR),WADlg_getColor(WADLG_WNDBG));
lplvcd->clrTextBk = WADlg_getColor(WADLG_ITEMBG);
}
}
// Turn off listview highlight otherwise it uses the system colors!
//ls->m_changing_item_sel=1;
//ListView_SetItemState(listwnd, iRow, 0, LVIS_SELECTED);
lplvcd->nmcd.uItemState &= ~CDIS_SELECTED;
return CDRF_DODEFAULT | CDRF_NOTIFYPOSTPAINT;
}
// Modify sub item text and/or background
case CDDS_ITEMPOSTPAINT:
{
//if(bHighlighted)
//{
// int iRow = (int)nmcd.dwItemSpec;
// Turn listview control's highlighting back on now that we have
// drawn the row in the colors we want.
//LockWindowUpdate(listwnd);
// lplvcd->nmcd.uItemState |= CDIS_SELECTED;
// ListView_SetItemState(listwnd, iRow, 0xff, LVIS_SELECTED);
//ls->m_changing_item_sel=0;
//LockWindowUpdate(NULL);
//CT> now validate the window so it doesn't flicker
//RECT r;
//ListView_GetItemRect(listwnd,iRow,&r,LVIR_BOUNDS);
//ValidateRect(listwnd,&r);
//}
}
default:
return CDRF_DODEFAULT;
}
}
}
return CallWindowProc(ls->m_old_mainwndproc,hwndDlg,uMsg,wParam,lParam);
}
//list header's wndproc
static INT_PTR CALLBACK header_wndproc(HWND hwndDlg, UINT uMsg, WPARAM wParam,LPARAM lParam)
{
ListSkin *ls=(ListSkin *)(LONG_PTR)GetWindowLongPtr(hwndDlg,GWLP_USERDATA);
INT_PTR a=handleListViewHeaderPaintMsgs(ls->m_headerwnd,uMsg,wParam,lParam);
if(a) return a;
return CallWindowProc(ls->m_old_header_wndproc,hwndDlg,uMsg,wParam,lParam);
}
ListSkin::ListSkin(HWND hwnd)
{
m_hwnd=GetParent(hwnd);
m_listwnd=hwnd;
sortShow = FALSE;
sortAscending = TRUE;
sortIndex = 0;
if (comctlVersion >= PACKVERSION(6,0))
ListView_SetExtendedListViewStyleEx(m_listwnd, LVS_EX_DOUBLEBUFFER, LVS_EX_DOUBLEBUFFER);
m_headerwnd=ListView_GetHeader(hwnd);
SetWindowLongPtr(hwnd,GWLP_USERDATA, (LONGX86)(LONG_PTR)this);
m_old_wndproc=(WNDPROC)(LONG_PTR)SetWindowLongPtr(hwnd,GWLP_WNDPROC, (LONGX86)(LONG_PTR)wndproc);
SetWindowLongPtr(m_headerwnd,GWLP_USERDATA, (LONGX86)(LONG_PTR)this);
m_old_header_wndproc=(WNDPROC)(LONG_PTR)SetWindowLongPtr(m_headerwnd,GWLP_WNDPROC, (LONGX86)(LONG_PTR)header_wndproc);
m_scrollwnd=new ScrollWnd(hwnd, SCROLLBAR_LISTVIEW);
m_old_mainwndproc=NULL;
m_enabled = IsWindowEnabled(hwnd);
//m_changing_item_sel=0;
if(!GetWindowLongPtr(m_hwnd,GWLP_USERDATA))
{
SetWindowLongPtr(m_hwnd,GWLP_USERDATA, (LONGX86)(LONG_PTR)this);
m_old_mainwndproc=(WNDPROC)(LONG_PTR)SetWindowLongPtr(m_hwnd,GWLP_WNDPROC, (LONGX86)(LONG_PTR)mainwndproc);
}
}
ListSkin::~ListSkin()
{
delete m_scrollwnd;
m_scrollwnd=0;
SetWindowLongPtr(m_listwnd,GWLP_WNDPROC, (LONGX86)(LONG_PTR)m_old_wndproc);
SetWindowLongPtr(m_headerwnd,GWLP_WNDPROC, (LONGX86)(LONG_PTR)m_old_header_wndproc);
if(m_old_mainwndproc) SetWindowLongPtr(m_hwnd,GWLP_WNDPROC, (LONGX86)(LONG_PTR)m_old_mainwndproc);
}
void ListSkin::updateScrollWnd()
{
m_scrollwnd->update();
}
void ListSkin::disableHorzScroll()
{
m_scrollwnd->disableHorzScroll();
}
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