interesting
/
libui
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Added a framework for handling WM_WININICHANGE to child windows; this will be used by the date-time picker.

This commit is contained in:
Pietro Gagliardi 2015-06-04 00:26:13 -04:00
parent fd6cfa54b3
commit 3ecd94e9b4
3 changed files with 45 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

38
redo/windows/events.c
View File

@ -84,3 +84,41 @@ RUNFN(WM_NOTIFY, notify,
RUNFN(WM_HSCROLL, hscroll,
(HWND) lParam,
LOWORD(wParam))
struct wininichange {
HWND hwnd;
UT_hash_handle hh;
};
static struct wininichange *wininichanges = NULL;
void uiWindowsRegisterReceiveWM_WININICHANGE(HWND hwnd)
{
struct wininchange *ch;
HASH_FIND_PTR(wininichanges, &hwnd, ch);
if (ch != NULL)
complain("window handle %p already subscribed to receive WM_WINICHANGEs in uiWindowsRegisterReceiveWM_WININICHANGE()", hwnd);
ch = uiNew(struct wininichange);
ch->hwnd = hwnd;
HASH_ADD_PTR(wininichanges, hwnd, ch);
}
void uiWindowsUnregisterReceiveWM_WINICHANGE(HWND hwnd)
{
struct wininichange *ch;
HASH_FIND_PTR(wininichanges, &hwnd, ch);
if (ch == NULL)
complain("window handle %p not registered to receive WM_WININICHANGEs in uiWindowsUnregisterReceiveWM_WINICHANGE()", hwnd);
HASH_DEL(wininichanges, ch);
uiFree(ch);
}
void issueWM_WININICHANGE(WPARAM wParam, LPARAM lParam)
{
struct wininichange *ch;
for (ch = wininichanges; ch != NULL; ch = ch->hh.next)
SendMessageW(ch->hwnd, WM_WININICHANGE, wParam, lParam);
}

3
redo/windows/uipriv_windows.h
View File

@ -103,6 +103,9 @@ extern void uiWindowsUnregisterWM_HSCROLLHandler(HWND);
extern BOOL runWM_COMMAND(WPARAM, LPARAM, LRESULT *);
extern BOOL runWM_NOTIFY(WPARAM, LPARAM, LRESULT *);
extern BOOL runWM_HSCROLL(WPARAM, LPARAM, LRESULT *);
extern void uiWindowsRegisterReceiveWM_WININICHANGE(HWND);
extern void uiWindowsUnregisterReceiveWM_WINICHANGE(HWND);
extern void issueWM_WININICHANGE(WPARAM, LPARAM);
// dialoghelper.c
extern void dialogHelperRegisterWindow(HWND);

4
redo/windows/utilwin.c
View File

@ -7,6 +7,7 @@
// - It is the initial parent of all controls. When a control loses its parent, it also becomes that control's parent.
// - It handles WM_QUERYENDSESSION and console end session requests.
// - It has a timer to run resizes.
// - It handles WM_WININICHANGE and forwards the message to any child windows that request it.
#define utilWindowClass L"libui_utilWindowClass"
@ -37,6 +38,9 @@ static LRESULT CALLBACK utilWindowWndProc(HWND hwnd, UINT uMsg, WPARAM wParam, L
logLastError("error resetting resize timer in utilWindowWndProc()");
doResizes();
return 0;
case WM_WININICHANGE:
issueWM_WININICHANGE(wParam, lParam);
return 0;
}
return DefWindowProcW(hwnd, uMsg, wParam, lParam);
}