First Commit

libui-ng/windows/label.cpp

@@ -0,0 +1,57 @@
+// 11 april 2015
+#include "uipriv_windows.hpp"
+
+struct uiLabel {
+	uiWindowsControl c;
+	HWND hwnd;
+};
+
+uiWindowsControlAllDefaults(uiLabel)
+
+// via http://msdn.microsoft.com/en-us/library/windows/desktop/dn742486.aspx#sizingandspacing
+#define labelHeight 8
+
+static void uiLabelMinimumSize(uiWindowsControl *c, int *width, int *height)
+{
+	uiLabel *l = uiLabel(c);
+	uiWindowsSizing sizing;
+	int y;
+
+	*width = uiWindowsWindowTextWidth(l->hwnd);
+	y = labelHeight;
+	uiWindowsGetSizing(l->hwnd, &sizing);
+	uiWindowsSizingDlgUnitsToPixels(&sizing, NULL, &y);
+	*height = y;
+}
+
+char *uiLabelText(uiLabel *l)
+{
+	return uiWindowsWindowText(l->hwnd);
+}
+
+void uiLabelSetText(uiLabel *l, const char *text)
+{
+	uiWindowsSetWindowText(l->hwnd, text);
+	// changing the text might necessitate a change in the label's size
+	uiWindowsControlMinimumSizeChanged(uiWindowsControl(l));
+}
+
+uiLabel *uiNewLabel(const char *text)
+{
+	uiLabel *l;
+	WCHAR *wtext;
+
+	uiWindowsNewControl(uiLabel, l);
+
+	wtext = toUTF16(text);
+	l->hwnd = uiWindowsEnsureCreateControlHWND(0,
+		L"static", wtext,
+		// SS_LEFTNOWORDWRAP clips text past the end; SS_NOPREFIX avoids accelerator translation
+		// controls are vertically aligned to the top by default (thanks Xeek in irc.freenode.net/#winapi)
+		SS_LEFTNOWORDWRAP | SS_NOPREFIX,
+		hInstance, NULL,
+		TRUE);
+	uiprivFree(wtext);
+
+	return l;
+}