116 lines
3.1 KiB
C++
116 lines
3.1 KiB
C++
// 20 may 2015
|
|
#include "uipriv_windows.hpp"
|
|
|
|
// 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 uiEditableCombobox {
|
|
uiWindowsControl c;
|
|
HWND hwnd;
|
|
void (*onChanged)(uiEditableCombobox *, void *);
|
|
void *onChangedData;
|
|
};
|
|
|
|
static BOOL onWM_COMMAND(uiControl *cc, HWND hwnd, WORD code, LRESULT *lResult)
|
|
{
|
|
uiEditableCombobox *c = uiEditableCombobox(cc);
|
|
|
|
if (code == CBN_SELCHANGE) {
|
|
// like on OS X, this is sent before the edit has been updated :(
|
|
if (PostMessage(parentOf(hwnd),
|
|
WM_COMMAND,
|
|
MAKEWPARAM(GetWindowLongPtrW(hwnd, GWLP_ID), CBN_EDITCHANGE),
|
|
(LPARAM) hwnd) == 0)
|
|
logLastError(L"error posting CBN_EDITCHANGE after CBN_SELCHANGE");
|
|
*lResult = 0;
|
|
return TRUE;
|
|
}
|
|
if (code != CBN_EDITCHANGE)
|
|
return FALSE;
|
|
(*(c->onChanged))(c, c->onChangedData);
|
|
*lResult = 0;
|
|
return TRUE;
|
|
}
|
|
|
|
void uiEditableComboboxDestroy(uiControl *cc)
|
|
{
|
|
uiEditableCombobox *c = uiEditableCombobox(cc);
|
|
|
|
uiWindowsUnregisterWM_COMMANDHandler(c->hwnd);
|
|
uiWindowsEnsureDestroyWindow(c->hwnd);
|
|
uiFreeControl(uiControl(c));
|
|
}
|
|
|
|
uiWindowsControlAllDefaultsExceptDestroy(uiEditableCombobox)
|
|
|
|
// 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; LONGTERM */
|
|
#define comboboxHeight 14 /* LONGTERM: is this too high? */
|
|
|
|
static void uiEditableComboboxMinimumSize(uiWindowsControl *cc, intmax_t *width, intmax_t *height)
|
|
{
|
|
uiEditableCombobox *c = uiEditableCombobox(cc);
|
|
uiWindowsSizing sizing;
|
|
int x, y;
|
|
|
|
x = comboboxWidth;
|
|
y = comboboxHeight;
|
|
uiWindowsGetSizing(c->hwnd, &sizing);
|
|
uiWindowsSizingDlgUnitsToPixels(&sizing, &x, &y);
|
|
*width = x;
|
|
*height = y;
|
|
}
|
|
|
|
static void defaultOnChanged(uiEditableCombobox *c, void *data)
|
|
{
|
|
// do nothing
|
|
}
|
|
|
|
void uiEditableComboboxAppend(uiEditableCombobox *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 uiEditableCombobox");
|
|
else if (res == (LRESULT) CB_ERRSPACE)
|
|
logLastError(L"memory exhausted appending item to uiEditableCombobox");
|
|
uiFree(wtext);
|
|
}
|
|
|
|
char *uiEditableComboboxText(uiEditableCombobox *c)
|
|
{
|
|
return uiWindowsWindowText(c->hwnd);
|
|
}
|
|
|
|
void uiEditableComboboxSetText(uiEditableCombobox *c, const char *text)
|
|
{
|
|
// does not trigger any notifications
|
|
uiWindowsSetWindowText(c->hwnd, text);
|
|
}
|
|
|
|
void uiEditableComboboxOnChanged(uiEditableCombobox *c, void (*f)(uiEditableCombobox *c, void *data), void *data)
|
|
{
|
|
c->onChanged = f;
|
|
c->onChangedData = data;
|
|
}
|
|
|
|
uiEditableCombobox *uiNewEditableCombobox(void)
|
|
{
|
|
uiEditableCombobox *c;
|
|
|
|
uiWindowsNewControl(uiEditableCombobox, c);
|
|
|
|
c->hwnd = uiWindowsEnsureCreateControlHWND(WS_EX_CLIENTEDGE,
|
|
L"combobox", L"",
|
|
CBS_DROPDOWN | WS_TABSTOP,
|
|
hInstance, NULL,
|
|
TRUE);
|
|
|
|
uiWindowsRegisterWM_COMMANDHandler(c->hwnd, onWM_COMMAND, uiControl(c));
|
|
uiEditableComboboxOnChanged(c, defaultOnChanged, NULL);
|
|
|
|
return c;
|
|
}
|