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Implemented Windows Table checkbox clicking.

This commit is contained in:
Pietro Gagliardi 2014-08-17 17:44:33 -04:00
parent 8f5df78f2a
commit 01a8fbd652
2 changed files with 27 additions and 6 deletions
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16
redo/table_windows.c
View File

@ -6,7 +6,7 @@
// provided for cgo's benefit // provided for cgo's benefit
LPWSTR xWC_LISTVIEW = WC_LISTVIEW; LPWSTR xWC_LISTVIEW = WC_LISTVIEW;
static void handleMouseMove(HWND hwnd, WPARAM wParam, LPARAM lParam, void *data) static void handle(HWND hwnd, WPARAM wParam, LPARAM lParam, void (*handler)(void *, int, int), void *data)
{ {
LVHITTESTINFO ht; LVHITTESTINFO ht;
@ -15,14 +15,14 @@ static void handleMouseMove(HWND hwnd, WPARAM wParam, LPARAM lParam, void *data)
ht.pt.x = GET_X_LPARAM(lParam); ht.pt.x = GET_X_LPARAM(lParam);
ht.pt.y = GET_Y_LPARAM(lParam); ht.pt.y = GET_Y_LPARAM(lParam);
if (SendMessageW(hwnd, LVM_SUBITEMHITTEST, 0, (LPARAM) (&ht)) == (LRESULT) -1) { if (SendMessageW(hwnd, LVM_SUBITEMHITTEST, 0, (LPARAM) (&ht)) == (LRESULT) -1) {
tableSetHot(data, -1, -1); (*handler)(data, -1, -1);
return; // no item return; // no item
} }
if (ht.flags != LVHT_ONITEMSTATEICON) { if (ht.flags != LVHT_ONITEMSTATEICON) {
tableSetHot(data, -1, -1); (*handler)(data, -1, -1);
return; return; // not on a checkbox
} }
tableSetHot(data, ht.iItem, ht.iSubItem); (*handler)(data, ht.iItem, ht.iSubItem);
} }
static LRESULT CALLBACK tableSubProc(HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam, UINT_PTR id, DWORD_PTR data) static LRESULT CALLBACK tableSubProc(HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam, UINT_PTR id, DWORD_PTR data)
@ -39,7 +39,11 @@ static LRESULT CALLBACK tableSubProc(HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM
} }
return (*fv_DefSubclassProc)(hwnd, uMsg, wParam, lParam); return (*fv_DefSubclassProc)(hwnd, uMsg, wParam, lParam);
case WM_MOUSEMOVE: case WM_MOUSEMOVE:
handleMouseMove(hwnd, wParam, lParam, (void *) data); handle(hwnd, wParam, lParam, tableSetHot, (void *) data);
// and let the list view do its thing
return (*fv_DefSubclassProc)(hwnd, uMsg, wParam, lParam);
case WM_LBUTTONUP:
handle(hwnd, wParam, lParam, tableToggled, (void *) data);
// and let the list view do its thing // and let the list view do its thing
return (*fv_DefSubclassProc)(hwnd, uMsg, wParam, lParam); return (*fv_DefSubclassProc)(hwnd, uMsg, wParam, lParam);
// see table.autoresize() in table_windows.go for the column autosize policy // see table.autoresize() in table_windows.go for the column autosize policy

17
redo/table_windows.go
View File

@ -126,6 +126,23 @@ func tableSetHot(data unsafe.Pointer, row C.int, col C.int) {
} }
} }
//export tableToggled
func tableToggled(data unsafe.Pointer, row C.int, col C.int) {
t := (*table)(data)
if row == -1 || col == -1 { // discard extras sent by handle() in table_windows.c
return
}
t.Lock()
defer t.Unlock()
d := reflect.Indirect(reflect.ValueOf(t.data))
datum := d.Index(int(row)).Field(int(col))
if datum.Kind() == reflect.Bool {
datum.SetBool(!datum.Bool())
return
}
panic(fmt.Errorf("tableSetHot() on non-checkbox at (%d, %d)", row, col))
}
func (t *table) hwnd() C.HWND { func (t *table) hwnd() C.HWND {
return t._hwnd return t._hwnd
} }