114 lines
2.7 KiB
C++
114 lines
2.7 KiB
C++
// 20 may 2015
|
|
#include "uipriv_windows.hpp"
|
|
|
|
// TODO
|
|
// - is there extra space on the bottom?
|
|
|
|
// we as Common Controls 6 users don't need to worry about the height of comboboxes; see http://blogs.msdn.com/b/oldnewthing/archive/2006/03/10/548537.aspx
|
|
|
|
struct uiCombobox {
|
|
uiWindowsControl c;
|
|
HWND hwnd;
|
|
void (*onSelected)(uiCombobox *, void *);
|
|
void *onSelectedData;
|
|
};
|
|
|
|
uiWindowsDefineControlWithOnDestroy(
|
|
uiCombobox, // type name
|
|
uiComboboxType, // type function
|
|
uiWindowsUnregisterWM_COMMANDHandler(me->hwnd); // on destroy
|
|
)
|
|
|
|
// note: NOT triggered on entering text
|
|
static BOOL onWM_COMMAND(uiControl *cc, HWND hwnd, WORD code, LRESULT *lResult)
|
|
{
|
|
uiCombobox *c = uiCombobox(cc);
|
|
|
|
if (code != CBN_SELCHANGE)
|
|
return FALSE;
|
|
(*(c->onSelected))(c, c->onSelectedData);
|
|
*lResult = 0;
|
|
return TRUE;
|
|
}
|
|
|
|
// from http://msdn.microsoft.com/en-us/library/windows/desktop/dn742486.aspx#sizingandspacing
|
|
#define comboboxWidth 107 /* this is actually the shorter progress bar width, but Microsoft only indicates as wide as necessary */
|
|
#define comboboxHeight 14
|
|
|
|
static void minimumSize(uiWindowsControl *c, uiWindowsSizing *d, intmax_t *width, intmax_t *height)
|
|
{
|
|
*width = uiWindowsDlgUnitsToX(comboboxWidth, d->BaseX);
|
|
*height = uiWindowsDlgUnitsToY(comboboxHeight, d->BaseY);
|
|
}
|
|
|
|
static void defaultOnSelected(uiCombobox *c, void *data)
|
|
{
|
|
// do nothing
|
|
}
|
|
|
|
void uiComboboxAppend(uiCombobox *c, const char *text)
|
|
{
|
|
WCHAR *wtext;
|
|
LRESULT res;
|
|
|
|
wtext = toUTF16(text);
|
|
res = SendMessageW(c->hwnd, CB_ADDSTRING, 0, (LPARAM) wtext);
|
|
if (res == (LRESULT) CB_ERR)
|
|
logLastError(L"error appending item to uiCombobox");
|
|
else if (res == (LRESULT) CB_ERRSPACE)
|
|
logLastError(L"memory exhausted appending item to uiCombobox");
|
|
uiFree(wtext);
|
|
}
|
|
|
|
intmax_t uiComboboxSelected(uiCombobox *c)
|
|
{
|
|
LRESULT n;
|
|
|
|
n = SendMessage(c->hwnd, CB_GETCURSEL, 0, 0);
|
|
if (n == (LRESULT) CB_ERR)
|
|
return -1;
|
|
return (intmax_t) n;
|
|
}
|
|
|
|
void uiComboboxSetSelected(uiCombobox *c, intmax_t n)
|
|
{
|
|
// TODO error check
|
|
SendMessageW(c->hwnd, CB_SETCURSEL, (WPARAM) n, 0);
|
|
}
|
|
|
|
void uiComboboxOnSelected(uiCombobox *c, void (*f)(uiCombobox *c, void *data), void *data)
|
|
{
|
|
c->onSelected = f;
|
|
c->onSelectedData = data;
|
|
}
|
|
|
|
static uiCombobox *finishNewCombobox(DWORD style)
|
|
{
|
|
uiCombobox *c;
|
|
|
|
c = (uiCombobox *) uiNewControl(uiComboboxType());
|
|
|
|
c->hwnd = uiWindowsEnsureCreateControlHWND(WS_EX_CLIENTEDGE,
|
|
L"combobox", L"",
|
|
style | WS_TABSTOP,
|
|
hInstance, NULL,
|
|
TRUE);
|
|
|
|
uiWindowsRegisterWM_COMMANDHandler(c->hwnd, onWM_COMMAND, uiControl(c));
|
|
uiComboboxOnSelected(c, defaultOnSelected, NULL);
|
|
|
|
uiWindowsFinishNewControl(c, uiCombobox);
|
|
|
|
return c;
|
|
}
|
|
|
|
uiCombobox *uiNewCombobox(void)
|
|
{
|
|
return finishNewCombobox(CBS_DROPDOWNLIST);
|
|
}
|
|
|
|
uiCombobox *uiNewEditableCombobox(void)
|
|
{
|
|
return finishNewCombobox(CBS_DROPDOWN);
|
|
}
|