Migrated control.c, I think. Changing the current way uiControl works will wait for another branch.

windows/control.cpp

@@ -15,13 +15,16 @@ HWND uiWindowsEnsureCreateControlHWND(DWORD dwExStyle, LPCWSTR lpClassName, LPCW
 		// use a nonzero initial size just in case some control breaks with a zero initial size
 		100, 100,
 		utilWindow, NULL, hInstance, lpParam);
-	if (hwnd == NULL)
+	if (hwnd == NULL) {
-		logLastError("error creating window in uiWindowsUtilCreateControlHWND()");
+		logLastError("error creating window");
+		// TODO return a decoy window
+	}
 	if (useStandardControlFont)
 		SendMessageW(hwnd, WM_SETFONT, (WPARAM) hMessageFont, (LPARAM) TRUE);
 	return hwnd;
 }
 
+// TODO make this unnecessary
 static uintmax_t type_uiWindowsControl = 0;
 
 uintmax_t uiWindowsControlType(void)
@@ -57,27 +60,6 @@ void uiWindowsFinishControl(uiControl *c)
 	c->CommitHide = defaultCommitHide;
 }
 
-char *uiWindowsUtilText(HWND hwnd)
-{
-	WCHAR *wtext;
-	char *text;
-
-	wtext = windowText(hwnd);
-	text = toUTF8(wtext);
-	uiFree(wtext);
-	return text;
-}
-
-void uiWindowsUtilSetText(HWND hwnd, const char *text)
-{
-	WCHAR *wtext;
-
-	wtext = toUTF16(text);
-	if (SetWindowTextW(hwnd, wtext) == 0)
-		logLastError("error setting control text in uiWindowsControlSetText()");
-	uiFree(wtext);
-}
-
 void uiWindowsRearrangeControlIDsZOrder(uiControl *c)
 {
 	uiWindowsControl *wc;

windows/text.cpp

@@ -85,3 +85,23 @@ noTextOrError:
 	uiFree(text);
 	return 0;
 }
+
+char *uiWindowsWindowText(HWND hwnd)
+{
+	WCHAR *wtext;
+	char *text;
+
+	wtext = windowText(hwnd);
+	text = toUTF8(wtext);
+	uiFree(wtext);
+	return text;
+}
+
+void uiWindowsSetWindowText(HWND hwnd, const char *text)
+{
+	WCHAR *wtext;
+
+	wtext = toUTF16(text);
+	setWindowText(hwnd, wtext);
+	uiFree(wtext);
+}

windows/ui_windows_new.h

@@ -1,5 +1,8 @@
 // 21 april 2016
 
+// TODO document
+_UI_EXTERN HWND uiWindowsEnsureCreateControlHWND(DWORD dwExStyle, LPCWSTR lpClassName, LPCWSTR lpWindowName, DWORD dwStyle, HINSTANCE hInstance, LPVOID lpParam, BOOL useStandardControlFont);
+
 // TODO document
 _UI_EXTERN void uiWindowsEnsureDestroyWindow(HWND hwnd);
 
@@ -9,6 +12,10 @@ _UI_EXTERN void uiWindowsEnsureSetParent(HWND hwnd, HWND parent);
 // TODO document
 _UI_EXTERN void uiWindowsEnsureAssignControlIDZOrder(HWND hwnd, LONG_PTR controlID, HWND insertAfter);
 
+// TODO document
+_UI_EXTERN char *uiWindowsWindowText(HWND hwnd);
+_UI_EXTERN void uiWindowsSetWindowText(HWND hwnd, const char *text);
+
 // TODO document
 _UI_EXTERN intmax_t uiWindowsWindowTextWidth(HWND hwnd);
 
@@ -27,3 +34,11 @@ _UI_EXTERN void uiWindowsUnregisterWM_HSCROLLHandler(HWND hwnd);
 // TODO document
 _UI_EXTERN void uiWindowsRegisterReceiveWM_WININICHANGE(HWND hwnd);
 _UI_EXTERN void uiWindowsUnregisterReceiveWM_WININICHANGE(HWND hwnd);
+
+
+
+
+// everything below here is TODO
+
+_UI_EXTERN void uiWindowsFinishControl(uiControl *c);
+_UI_EXTERN void uiWindowsRearrangeControlIDsZOrder(uiControl *c);