Beispiel #1
0
static LRESULT CALLBACK groupSubProc(HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam, UINT_PTR uIdSubclass, DWORD_PTR dwRefData)
{
	uiGroup *g = uiGroup(dwRefData);
	WINDOWPOS *wp = (WINDOWPOS *) lParam;
	MINMAXINFO *mmi = (MINMAXINFO *) lParam;
	int minwid, minht;
	LRESULT lResult;

	if (handleParentMessages(hwnd, uMsg, wParam, lParam, &lResult) != FALSE)
		return lResult;
	switch (uMsg) {
	case WM_WINDOWPOSCHANGED:
		if ((wp->flags & SWP_NOSIZE) != 0)
			break;
		groupRelayout(g);
		return 0;
	case WM_GETMINMAXINFO:
		lResult = DefWindowProcW(hwnd, uMsg, wParam, lParam);
		uiWindowsControlMinimumSize(uiWindowsControl(g), &minwid, &minht);
		mmi->ptMinTrackSize.x = minwid;
		mmi->ptMinTrackSize.y = minht;
		return lResult;
	case WM_NCDESTROY:
		if (RemoveWindowSubclass(hwnd, groupSubProc, uIdSubclass) == FALSE)
			logLastError(L"error removing groupbox subclass");
		break;
	}
	return DefSubclassProc(hwnd, uMsg, wParam, lParam);
}
Beispiel #2
0
static void uiFormMinimumSize(uiWindowsControl *c, int *width, int *height)
{
	uiForm *f = uiForm(c);
	int xpadding, ypadding;
	int nStretchy;
	// these two contain the largest minimum width and height of all stretchy controls in the form
	// all stretchy controls will use this value to determine the final minimum size
	int maxLabelWidth, maxControlWidth;
	int maxStretchyHeight;
	int labelwid;
	int i;
	int minimumWidth, minimumHeight;
	int nVisible;
	uiWindowsSizing sizing;

	*width = 0;
	*height = 0;
	if (f->controls->size() == 0)
		return;

	// 0) get this Form's padding
	formPadding(f, &xpadding, &ypadding);

	// 1) determine the longest width of all controls and labels; add in the height of non-stretchy controls and get (but not add in) the largest heights of stretchy controls
	// we still add in like direction of stretchy controls
	nStretchy = 0;
	maxLabelWidth = 0;
	maxControlWidth = 0;
	maxStretchyHeight = 0;
	nVisible = 0;
	for (const struct formChild &fc : *(f->controls)) {
		if (!uiControlVisible(fc.c))
			continue;
		nVisible++;
		labelwid = uiWindowsWindowTextWidth(fc.label);
		if (maxLabelWidth < labelwid)
			maxLabelWidth = labelwid;
		uiWindowsControlMinimumSize(uiWindowsControl(fc.c), &minimumWidth, &minimumHeight);
		if (fc.stretchy) {
			nStretchy++;
			if (maxStretchyHeight < minimumHeight)
				maxStretchyHeight = minimumHeight;
		}
		if (maxControlWidth < minimumWidth)
			maxControlWidth = minimumWidth;
		if (!fc.stretchy)
			*height += minimumHeight;
	}
	if (nVisible == 0)		// nothing to show; return 0x0
		return;
	*width += maxLabelWidth + maxControlWidth;

	// 2) outset the desired rect with the needed padding
	*width += xpadding;
	*height += (nVisible - 1) * ypadding;

	// 3) and now we can add in stretchy controls
	*height += nStretchy * maxStretchyHeight;
}
Beispiel #3
0
static LRESULT CALLBACK windowWndProc(HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
{
	LONG_PTR ww;
	uiWindow *w;
	CREATESTRUCTW *cs = (CREATESTRUCTW *) lParam;
	WINDOWPOS *wp = (WINDOWPOS *) lParam;
	MINMAXINFO *mmi = (MINMAXINFO *) lParam;
	intmax_t width, height;
	LRESULT lResult;

	ww = GetWindowLongPtrW(hwnd, GWLP_USERDATA);
	if (ww == 0) {
		if (uMsg == WM_CREATE)
			SetWindowLongPtrW(hwnd, GWLP_USERDATA, (LONG_PTR) (cs->lpCreateParams));
		// fall through to DefWindowProc() anyway
		return DefWindowProcW(hwnd, uMsg, wParam, lParam);
	}
	w = uiWindow((void *) ww);
	if (handleParentMessages(hwnd, uMsg, wParam, lParam, &lResult) != FALSE)
		return lResult;
	switch (uMsg) {
	case WM_COMMAND:
		// not a menu
		if (lParam != 0)
			break;
		if (HIWORD(wParam) != 0)
			break;
		runMenuEvent(LOWORD(wParam), uiWindow(w));
		return 0;
	case WM_WINDOWPOSCHANGED:
		if ((wp->flags & SWP_NOSIZE) != 0)
			break;
		windowRelayout(w);
		return 0;
	case WM_GETMINMAXINFO:
		// ensure the user cannot resize the window smaller than its minimum size
		lResult = DefWindowProcW(hwnd, uMsg, wParam, lParam);
		uiWindowsControlMinimumSize(uiWindowsControl(w), &width, &height);
		// width and height are in client coordinates; ptMinTrackSize is in window coordinates
		clientSizeToWindowSize(w->hwnd, &width, &height, w->hasMenubar);
		mmi->ptMinTrackSize.x = width;
		mmi->ptMinTrackSize.y = height;
		return lResult;
	case WM_PRINTCLIENT:
		// we do no special painting; just erase the background
		// don't worry about the return value; we let DefWindowProcW() handle this message
		SendMessageW(hwnd, WM_ERASEBKGND, wParam, lParam);
		return 0;
	case WM_CLOSE:
		if ((*(w->onClosing))(w, w->onClosingData))
			uiControlDestroy(uiControl(w));
		return 0;		// we destroyed it already
	}
	return DefWindowProcW(hwnd, uMsg, wParam, lParam);
}
Beispiel #4
0
BOOL uiWindowsControlTooSmall(uiWindowsControl *c)
{
	RECT r;
	int width, height;

	uiWindowsControlLayoutRect(c, &r);
	uiWindowsControlMinimumSize(c, &width, &height);
	if ((r.right - r.left) < width)
		return TRUE;
	if ((r.bottom - r.top) < height)
		return TRUE;
	return FALSE;
}
Beispiel #5
0
static void uiWindowMinimumSize(uiWindowsControl *c, intmax_t *width, intmax_t *height)
{
	uiWindow *w = uiWindow(c);
	uiWindowsSizing sizing;
	int mx, my;

	*width = 0;
	*height = 0;
	if (w->child != NULL)
		uiWindowsControlMinimumSize(uiWindowsControl(w->child), width, height);
	windowMargins(w, &mx, &my);
	*width += 2 * mx;
	*height += 2 * my;
}
Beispiel #6
0
// this cannot queue a resize because it's called by the resize handler
void ensureMinimumWindowSize(uiWindow *w)
{
	intmax_t width, height;
	RECT r;

	uiWindowsControlMinimumSize(uiWindowsControl(w), &width, &height);
	uiWindowsEnsureGetClientRect(w->hwnd, &r);
	if (width < (r.right - r.left))		// preserve width if larger
		width = r.right - r.left;
	if (height < (r.bottom - r.top))		// preserve height if larger
		height = r.bottom - r.top;
	clientSizeToWindowSize(w->hwnd, &width, &height, w->hasMenubar);
	if (SetWindowPos(w->hwnd, NULL, 0, 0, width, height, SWP_NOACTIVATE | SWP_NOMOVE | SWP_NOOWNERZORDER | SWP_NOZORDER) == 0)
		logLastError(L"error resizing window");
}
Beispiel #7
0
static void uiGroupMinimumSize(uiWindowsControl *c, int *width, int *height)
{
	uiGroup *g = uiGroup(c);
	int mx, mtop, mbottom;
	int labelWidth;

	*width = 0;
	*height = 0;
	if (g->child != NULL)
		uiWindowsControlMinimumSize(uiWindowsControl(g->child), width, height);
	labelWidth = uiWindowsWindowTextWidth(g->hwnd);
	if (*width < labelWidth)		// don't clip the label; it doesn't ellipsize
		*width = labelWidth;
	groupMargins(g, &mx, &mtop, &mbottom);
	*width += 2 * mx;
	*height += mtop + mbottom;
}
Beispiel #8
0
static void formRelayout(uiForm *f)
{
	RECT r;
	int x, y, width, height;
	int xpadding, ypadding;
	int nStretchy;
	int labelwid, stretchyht;
	int thiswid;
	int i;
	int minimumWidth, minimumHeight;
	uiWindowsSizing sizing;
	int labelht, labelyoff;
	int nVisible;

	if (f->controls->size() == 0)
		return;

	uiWindowsEnsureGetClientRect(f->hwnd, &r);
	x = r.left;
	y = r.top;
	width = r.right - r.left;
	height = r.bottom - r.top;

	// 0) get this Form's padding
	formPadding(f, &xpadding, &ypadding);

	// 1) get width of labels and height of non-stretchy controls
	// this will tell us how much space will be left for controls
	labelwid = 0;
	stretchyht = height;
	nStretchy = 0;
	nVisible = 0;
	for (struct formChild &fc : *(f->controls)) {
		if (!uiControlVisible(fc.c)) {
			ShowWindow(fc.label, SW_HIDE);
			continue;
		}
		ShowWindow(fc.label, SW_SHOW);
		nVisible++;
		thiswid = uiWindowsWindowTextWidth(fc.label);
		if (labelwid < thiswid)
			labelwid = thiswid;
		if (fc.stretchy) {
			nStretchy++;
			continue;
		}
		uiWindowsControlMinimumSize(uiWindowsControl(fc.c), &minimumWidth, &minimumHeight);
		fc.height = minimumHeight;
		stretchyht -= minimumHeight;
	}
	if (nVisible == 0)		// nothing to do
		return;

	// 2) inset the available rect by the needed padding
	width -= xpadding;
	height -= (nVisible - 1) * ypadding;
	stretchyht -= (nVisible - 1) * ypadding;

	// 3) now get the width of controls and the height of stretchy controls
	width -= labelwid;
	if (nStretchy != 0) {
		stretchyht /= nStretchy;
		for (struct formChild &fc : *(f->controls)) {
			if (!uiControlVisible(fc.c))
				continue;
			if (fc.stretchy)
				fc.height = stretchyht;
		}
	}

	// 4) get the y offset
	labelyoff = labelYOffset;
	uiWindowsGetSizing(f->hwnd, &sizing);
	uiWindowsSizingDlgUnitsToPixels(&sizing, NULL, &labelyoff);

	// 5) now we can position controls
	// first, make relative to the top-left corner of the container
	// also prefer left alignment on Windows
	x = labelwid + xpadding;
	y = 0;
	for (const struct formChild &fc : *(f->controls)) {
		if (!uiControlVisible(fc.c))
			continue;
		labelht = labelHeight;
		uiWindowsGetSizing(f->hwnd, &sizing);
		uiWindowsSizingDlgUnitsToPixels(&sizing, NULL, &labelht);
		uiWindowsEnsureMoveWindowDuringResize(fc.label, 0, y + labelyoff - sizing.InternalLeading, labelwid, labelht);
		uiWindowsEnsureMoveWindowDuringResize((HWND) uiControlHandle(fc.c), x, y, width, fc.height);
		y += fc.height + ypadding;
	}
}