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Implemented hover-to-hot on Windows Table checkboxes.

This commit is contained in:
Pietro Gagliardi 2014-08-17 17:22:47 -04:00
parent d7c173cc05
commit d9b9a9a743
2 changed files with 40 additions and 0 deletions
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20
redo/table_windows.c
View File

@ -6,6 +6,22 @@
// provided for cgo's benefit
LPWSTR xWC_LISTVIEW = WC_LISTVIEW;
static void handleMouseMove(HWND hwnd, WPARAM wParam, LPARAM lParam, void *data)
{
LVHITTESTINFO ht;
// TODO use wParam
ZeroMemory(&ht, sizeof (LVHITTESTINFO));
ht.pt.x = GET_X_LPARAM(lParam);
ht.pt.y = GET_Y_LPARAM(lParam);
ht.flags = LVHT_ONITEMSTATEICON;
if (SendMessageW(hwnd, LVM_SUBITEMHITTEST, 0, (LPARAM) (&ht)) == (LRESULT) -1) {
tableSetHot(data, -1, -1);
return; // no item
}
tableSetHot(data, ht.iItem, ht.iSubItem);
}
static LRESULT CALLBACK tableSubProc(HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam, UINT_PTR id, DWORD_PTR data)
{
NMHDR *nmhdr = (NMHDR *) lParam;
@ -19,6 +35,10 @@ static LRESULT CALLBACK tableSubProc(HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM
return 0;
}
return (*fv_DefSubclassProc)(hwnd, uMsg, wParam, lParam);
case WM_MOUSEMOVE:
handleMouseMove(hwnd, wParam, lParam, (void *) data);
// and let the list view do its thing
return (*fv_DefSubclassProc)(hwnd, uMsg, wParam, lParam);
// see table.autoresize() in table_windows.go for the column autosize policy
case WM_NOTIFY: // from the contained header control
if (nmhdr->code == HDN_BEGINTRACK)

20
redo/table_windows.go
View File

@ -16,6 +16,8 @@ type table struct {
_hwnd C.HWND
noautosize bool
colcount C.int
hotrow C.int
hotcol C.int
}
func finishNewTable(b *tablebase, ty reflect.Type) Table {
@ -24,6 +26,8 @@ func finishNewTable(b *tablebase, ty reflect.Type) Table {
C.LVS_REPORT | C.LVS_OWNERDATA | C.LVS_NOSORTHEADER | C.LVS_SHOWSELALWAYS | C.WS_HSCROLL | C.WS_VSCROLL | C.WS_TABSTOP,
C.WS_EX_CLIENTEDGE), // WS_EX_CLIENTEDGE without WS_BORDER will show the canonical visual styles border (thanks to MindChild in irc.efnet.net/#winprog)
tablebase: b,
hotrow: -1,
hotcol: -1,
}
C.setTableSubclass(t._hwnd, unsafe.Pointer(t))
// LVS_EX_FULLROWSELECT gives us selection across the whole row, not just the leftmost column; this makes the list view work like on other platforms
@ -77,6 +81,11 @@ func tableGetCell(data unsafe.Pointer, item *C.LVITEMW) {
} else {
curstate &^= C.checkboxStateChecked
}
if item.iItem == t.hotrow && item.iSubItem == t.hotcol {
curstate |= C.checkboxStateHot
} else {
curstate &^= C.checkboxStateHot
}
item.state = (curstate + 1) << 12
default:
s := fmt.Sprintf("%v", datum)
@ -106,6 +115,17 @@ func tableColumnCount(data unsafe.Pointer) C.int {
return t.colcount
}
//export tableSetHot
func tableSetHot(data unsafe.Pointer, row C.int, col C.int) {
t := (*table)(data)
redraw := (row != t.hotrow || col != t.hotcol)
t.hotrow = row
t.hotcol = col
if redraw {
C.tableUpdate(t._hwnd, C.int(reflect.Indirect(reflect.ValueOf(t.data)).Len()))
}
}
func (t *table) hwnd() C.HWND {
return t._hwnd
}