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Finally fixed the Tab content resizing.

This commit is contained in:
Pietro Gagliardi 2015-04-13 10:15:36 -04:00
parent e869e1b34e
commit 4839280b82
1 changed files with 15 additions and 1 deletions
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16
new/tab_windows.c
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@ -34,7 +34,8 @@ static BOOL onWM_NOTIFY(uiControl *c, NMHDR *nm, LRESULT *lResult)
if (n != (LRESULT) (-1)) { // if we're changing to a real tab
ShowWindow(uiParentHWND(t->pages[n]), SW_SHOW);
// because we only resize the current child on resize, we'll need to trigger an update here
uiParentUpdate(t->pages[n]);
// don't call uiParentUpdate(); doing that won't size the content area (so we'll still have a 0x0 content area, for instance)
SendMessageW(uiControlHWND(c), msgUpdateChild, 0, 0);
}
*lResult = 0;
return TRUE;
@ -89,6 +90,7 @@ static LRESULT CALLBACK tabSubProc(HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM l
uiControl *c = (uiControl *) dwRefData;
WINDOWPOS *wp = (WINDOWPOS *) lParam;
LRESULT lResult;
RECT r;
switch (uMsg) {
case WM_WINDOWPOSCHANGED:
@ -99,6 +101,12 @@ static LRESULT CALLBACK tabSubProc(HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM l
// we have the window rect width as part of the WINDOWPOS; resize
resizeTab(c, wp->cx, wp->cy);
return lResult;
case msgUpdateChild:
if (GetWindowRect(uiControlHWND(c), &r) == 0)
logLastError("error getting Tab window rect for synthesized resize message in tabSubProc()");
// these are in screen coordinates, which match what WM_WINDOWPOSCHANGED gave us (thanks TODOTODOTODOTODOTODOTODOTODO)
resizeTab(c, r.right - r.left, r.bottom - r.top);
return 0;
case WM_NCDESTROY:
if ((*fv_RemoveWindowSubclass)(hwnd, tabSubProc, uIdSubclass) == FALSE)
logLastError("error removing Tab resize handling subclass in tabSubProc()");
@ -172,4 +180,10 @@ void uiTabAddPage(uiControl *c, const char *name, uiControl *child)
if (SendMessageW(hwnd, TCM_INSERTITEM, (WPARAM) n, (LPARAM) (&item)) == (LRESULT) -1)
logLastError("error adding tab to Tab in uiTabAddPage()");
uiFree(wname);
// if this is the first tab, Windows will automatically show it /without/ sending a TCN_SELCHANGE notification
// (TODO verify that)
// so we need to manually resize the tab ourselves
// don't use uiUpdateParent() for the same reason as in the TCN_SELCHANGE handler
SendMessageW(uiControlHWND(c), msgUpdateChild, 0, 0);
}