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#include <windows.h>
#include <commctrl.h>
#include "listview.h"
#include "layout.h"
#include "win.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;
hWnd = require(CreateWindowEx(
WS_EX_CLIENTEDGE,
WC_LISTVIEW,
L"",
dwStyle|WS_CHILD|WS_VISIBLE|WS_VSCROLL|WS_TABSTOP|LVS_REPORT|LVS_SHOWSELALWAYS,
0, 0, 0, 0,
hWndParent, hMenu, GetModuleHandle(NULL), this));
m_proc0 = (WNDPROC)SetWindowLongPtr(hWnd, GWLP_WNDPROC, (LONG_PTR)::WndProc);
require(SetProp(hWnd, L"this", (HANDLE)this));
ListView_SetExtendedListViewStyle(hWnd, LVS_EX_FULLROWSELECT|LVS_EX_DOUBLEBUFFER);
SendMessage(hWnd, WM_SETFONT, (WPARAM)g_hfNormal, MAKELPARAM(FALSE, 0));
}
/* Retrieve next matching list view item. */
bool ListView::FindNextItem(LVITEM* const lvi, const LPARAM lParam)
{
if ((lvi->iItem = ListView_GetNextItem(hWnd, lvi->iItem, lParam)) == -1)
return false;
return ListView_GetItem(hWnd, lvi);
}
/* Naively calculate height of list view. */
int ListView::Height()
{
const int cItem = ListView_GetItemCount(hWnd);
return Dpi(4)+cItem*Dpi(19);
}
void ListView::ResizeColumns(int) {}
void ListView::UpdateTheme(const BOOL bThemeActive)
{
const wchar_t* theme;
WORD action;
extern BOOL (*SetWindowTheme)(HWND, LPCWSTR, LPCWSTR);
if (!SetWindowTheme) return;
if (bThemeActive) {
theme = L"Explorer";
action = UIS_SET;
} else {
theme = NULL;
action = UIS_CLEAR;
}
/* Use modern "Explorer" theme. */
SetWindowTheme(hWnd, theme, NULL);
/* Hide focus rectangles. */
SendMessage(hWnd, WM_UPDATEUISTATE, MAKEWPARAM(action, UISF_HIDEFOCUS), 0);
}
LRESULT CALLBACK ListView::WndProc(const HWND hWnd, const UINT uMsg,
const WPARAM wParam, const LPARAM lParam)
{
extern DlvDragger g_dragDlv;
switch (uMsg) {
case WM_NOTIFY:
switch (((NMHDR*)lParam)->code) {
case HDN_ENDTRACK:
UpdateLayout();
return TRUE;
}
break;
case WM_LBUTTONDOWN:
case WM_NCLBUTTONDOWN:
if (g_dragDlv.HandleDown())
return 0;
break;
}
return CallWindowProc(m_proc0, hWnd, uMsg, wParam, lParam);
}
LRESULT CALLBACK WndProc(const HWND hWnd, const UINT uMsg, const WPARAM wParam,
const LPARAM lParam)
{
ListView* const lv = (ListView*)GetProp(hWnd, L"this");
if (uMsg == WM_DESTROY)
RemoveProp(hWnd, L"this");
return lv? lv->WndProc(hWnd, uMsg, wParam, lParam): FALSE;
}
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