libui/windows/main.c

54 lines
1.2 KiB
C

// 6 april 2015
#include "uipriv_windows.h"
// TODO http://blogs.msdn.com/b/oldnewthing/archive/2005/04/08/406509.aspx when adding accelerators, TranslateMessage() before IsDialogMessage()
static void msgloop_else(MSG *msg)
{
TranslateMessage(msg);
DispatchMessageW(msg);
}
void uiMain(void)
{
MSG msg;
int res;
HWND active, focus;
for (;;) {
SetLastError(0);
res = GetMessageW(&msg, NULL, 0, 0);
if (res < 0)
logLastError("error calling GetMessage() in uiMain()");
if (res == 0) // WM_QUIT
break;
active = GetActiveWindow();
if (active == NULL) {
msgloop_else(&msg);
continue;
}
// bit of logic involved here:
// we don't want dialog messages passed into Areas, so we don't call IsDialogMessageW() there
// as for Tabs, we can't have both WS_TABSTOP and WS_EX_CONTROLPARENT set at the same time, so we hotswap the two styles to get the behavior we want
focus = GetFocus();
if (focus != NULL) {
switch (windowClassOf(focus, areaClass, NULL)) {
case 0: // uiArea
processAreaMessage(active, &msg);
continue;
}
// else fall through
}
if (IsDialogMessage(active, &msg) != 0)
continue;
msgloop_else(&msg);
}
}
void uiQuit(void)
{
PostQuitMessage(0);
}