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#include <windows.h>
#include <commctrl.h>
#include <uxtheme.h>
#include "common.h"
#include "listview.h"
#include "main.h"
extern HFONT g_hfNormal;
static LRESULT CALLBACK WndProc(HWND, UINT, WPARAM, LPARAM);
ListView::ListView(const HWND hWndParent, const HMENU hMenu, const DWORD dwStyle)
{
m_hWndParent = hWndParent;
m_bHeader = !(dwStyle & LVS_NOCOLUMNHEADER);
hWnd = CreateWindowEx(
WS_EX_CLIENTEDGE,
WC_LISTVIEW,
TEXT(""),
dwStyle|WS_CHILD|WS_VISIBLE|WS_VSCROLL|WS_TABSTOP|LVS_REPORT|LVS_SHOWSELALWAYS,
0, 0, 0, 0,
m_hWndParent, hMenu, GetModuleHandle(NULL), this
);
if (SetProp(hWnd, TEXT("this"), (HANDLE)this))
m_prevProc = (WNDPROC)SetWindowLongPtr(hWnd,
GWLP_WNDPROC, (LONG_PTR)::WndProc);
ListView_SetExtendedListViewStyle(hWnd, LVS_EX_FULLROWSELECT);
SendMessage(hWnd, WM_SETFONT, (WPARAM)g_hfNormal, MAKELPARAM(FALSE, 0));
}
/* Naively calculate height of list view. */
int ListView::Height(int bHeader)
{
if (bHeader == -1)
bHeader = m_bHeader;
const int iCount = ListView_GetItemCount(hWnd);
return iCount? Dpi(bHeader? 27: 4)+iCount*Dpi(19): 0;
}
void ListView::UpdateTheme(const BOOL bThemeActive)
{
DWORD dwStyle;
const TCHAR* tszTheme;
WORD wAction;
extern int g_bThemes;
if (!g_bThemes) return;
if (bThemeActive) {
dwStyle = LVS_EX_DOUBLEBUFFER;
tszTheme = TEXT("Explorer");
wAction = UIS_SET;
} else {
dwStyle = 0;
tszTheme = NULL;
wAction = UIS_CLEAR;
}
/* Use modern "Explorer" theme. */
SetWindowTheme(hWnd, tszTheme, NULL);
/* The modern theme requires double buffering. */
ListView_SetExtendedListViewStyleEx(hWnd, LVS_EX_DOUBLEBUFFER, dwStyle);
/* Hide focus rectangles. */
SendMessage(hWnd, WM_UPDATEUISTATE, MAKEWPARAM(wAction, UISF_HIDEFOCUS), 0);
}
LRESULT CALLBACK ListView::WndProc(const HWND hWnd, const UINT uMsg,
const WPARAM wParam, const LPARAM lParam)
{
switch (uMsg) {
case WM_NOTIFY:
switch (((NMHDR*)lParam)->code) {
case HDN_ENDTRACK:
UpdateLayout();
return TRUE;
}
break;
}
return CallWindowProc(m_prevProc, hWnd, uMsg, wParam, lParam);
}
LRESULT CALLBACK WndProc(const HWND hWnd, const UINT uMsg, const WPARAM wParam,
const LPARAM lParam)
{
ListView* const pLv = (ListView*)GetProp(hWnd, TEXT("this"));
if (uMsg == WM_DESTROY)
RemoveProp(hWnd, TEXT("this"));
return pLv? pLv->WndProc(hWnd, uMsg, wParam, lParam): FALSE;
}
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