1 /* Unit test suite for static controls.
2  *
3  * Copyright 2007 Google (Mikolaj Zalewski)
4  *
5  * This library is free software; you can redistribute it and/or
6  * modify it under the terms of the GNU Lesser General Public
7  * License as published by the Free Software Foundation; either
8  * version 2.1 of the License, or (at your option) any later version.
9  *
10  * This library is distributed in the hope that it will be useful,
11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
13  * Lesser General Public License for more details.
14  *
15  * You should have received a copy of the GNU Lesser General Public
16  * License along with this library; if not, write to the Free Software
17  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
18  */
19 
20 #include "precomp.h"
21 
22 #define TODO_COUNT 1
23 
24 #define CTRL_ID 1995
25 
26 static HWND hMainWnd;
27 static int g_nReceivedColorStatic;
28 
29 /* try to make sure pending X events have been processed before continuing */
30 static void flush_events(void)
31 {
32     MSG msg;
33     int diff = 200;
34     int min_timeout = 100;
35     DWORD time = GetTickCount() + diff;
36 
37     while (diff > 0)
38     {
39         if (MsgWaitForMultipleObjects( 0, NULL, FALSE, min_timeout, QS_ALLINPUT ) == WAIT_TIMEOUT) break;
40         while (PeekMessageA( &msg, 0, 0, 0, PM_REMOVE )) DispatchMessageA( &msg );
41         diff = time - GetTickCount();
42     }
43 }
44 
45 static HWND create_static(DWORD style)
46 {
47     return CreateWindowA("static", "Test", WS_VISIBLE|WS_CHILD|style, 5, 5, 100, 100, hMainWnd, (HMENU)CTRL_ID, NULL, 0);
48 }
49 
50 static LRESULT CALLBACK WndProc(HWND hwnd, UINT msg, WPARAM wparam, LPARAM lparam)
51 {
52     switch (msg)
53     {
54     case WM_CTLCOLORSTATIC:
55         {
56             HDC hdc = (HDC)wparam;
57             HRGN hrgn = CreateRectRgn(0, 0, 1, 1);
58             ok(GetClipRgn(hdc, hrgn) == 1, "Static controls during a WM_CTLCOLORSTATIC must have a clipping region\n");
59             DeleteObject(hrgn);
60             g_nReceivedColorStatic++;
61             return (LRESULT) GetStockObject(BLACK_BRUSH);
62         }
63         break;
64     }
65 
66     return DefWindowProcA(hwnd, msg, wparam, lparam);
67 }
68 
69 static void test_updates(int style, int flags)
70 {
71     HWND hStatic = create_static(style);
72     RECT r1 = {20, 20, 30, 30};
73     int exp;
74 
75     flush_events();
76     g_nReceivedColorStatic = 0;
77     /* during each update parent WndProc will test the WM_CTLCOLORSTATIC message */
78     InvalidateRect(hMainWnd, NULL, FALSE);
79     UpdateWindow(hMainWnd);
80     InvalidateRect(hMainWnd, &r1, FALSE);
81     UpdateWindow(hMainWnd);
82     InvalidateRect(hStatic, &r1, FALSE);
83     UpdateWindow(hStatic);
84     InvalidateRect(hStatic, NULL, FALSE);
85     UpdateWindow(hStatic);
86 
87     if ((style & SS_TYPEMASK) == SS_BITMAP)
88     {
89         HDC hdc = GetDC(hStatic);
90         COLORREF colour = GetPixel(hdc, 10, 10);
91     todo_wine
92         ok(colour == 0, "Unexpected pixel color.\n");
93         ReleaseDC(hStatic, hdc);
94     }
95 
96     if (style != SS_ETCHEDHORZ && style != SS_ETCHEDVERT)
97         exp = 4;
98     else
99         exp = 1; /* SS_ETCHED* seems to send WM_CTLCOLORSTATIC only sometimes */
100 
101     if (flags & TODO_COUNT)
102     todo_wine
103         ok(g_nReceivedColorStatic == exp, "Unexpected WM_CTLCOLORSTATIC value %d\n", g_nReceivedColorStatic);
104     else if ((style & SS_TYPEMASK) == SS_ICON || (style & SS_TYPEMASK) == SS_BITMAP)
105         ok(g_nReceivedColorStatic == exp, "Unexpected %u got %u\n", exp, g_nReceivedColorStatic);
106     else
107         ok(g_nReceivedColorStatic == exp, "Unexpected WM_CTLCOLORSTATIC value %d\n", g_nReceivedColorStatic);
108     DestroyWindow(hStatic);
109 }
110 
111 static void test_set_text(void)
112 {
113     HWND hStatic = create_static(SS_SIMPLE);
114     char buffA[10];
115 
116     GetWindowTextA(hStatic, buffA, sizeof(buffA));
117     ok(!strcmp(buffA, "Test"), "got wrong text %s\n", buffA);
118 
119     SetWindowTextA(hStatic, NULL);
120     GetWindowTextA(hStatic, buffA, sizeof(buffA));
121     ok(buffA[0] == 0, "got wrong text %s\n", buffA);
122 
123     DestroyWindow(hStatic);
124 }
125 
126 START_TEST(static)
127 {
128     static const char classname[] = "testclass";
129     WNDCLASSEXA wndclass;
130     ULONG_PTR ctx_cookie;
131     HANDLE hCtx;
132 
133     if (!load_v6_module(&ctx_cookie, &hCtx))
134         return;
135 
136     wndclass.cbSize         = sizeof(wndclass);
137     wndclass.style          = CS_HREDRAW | CS_VREDRAW;
138     wndclass.lpfnWndProc    = WndProc;
139     wndclass.cbClsExtra     = 0;
140     wndclass.cbWndExtra     = 0;
141     wndclass.hInstance      = GetModuleHandleA(NULL);
142     wndclass.hIcon          = LoadIconA(NULL, (LPCSTR)IDI_APPLICATION);
143     wndclass.hIconSm        = LoadIconA(NULL, (LPCSTR)IDI_APPLICATION);
144     wndclass.hCursor        = LoadCursorA(NULL, (LPCSTR)IDC_ARROW);
145     wndclass.hbrBackground  = GetStockObject(WHITE_BRUSH);
146     wndclass.lpszClassName  = classname;
147     wndclass.lpszMenuName   = NULL;
148     RegisterClassExA(&wndclass);
149 
150     hMainWnd = CreateWindowA(classname, "Test", WS_OVERLAPPEDWINDOW, 0, 0, 500, 500, NULL, NULL,
151         GetModuleHandleA(NULL), NULL);
152     ShowWindow(hMainWnd, SW_SHOW);
153 
154     test_updates(0, 0);
155     test_updates(SS_SIMPLE, 0);
156     test_updates(SS_ICON, 0);
157     test_updates(SS_BITMAP, 0);
158     test_updates(SS_BITMAP | SS_CENTERIMAGE, 0);
159     test_updates(SS_BLACKRECT, TODO_COUNT);
160     test_updates(SS_WHITERECT, TODO_COUNT);
161     test_updates(SS_ETCHEDHORZ, TODO_COUNT);
162     test_updates(SS_ETCHEDVERT, TODO_COUNT);
163     test_set_text();
164 
165     DestroyWindow(hMainWnd);
166 
167     unload_v6_module(ctx_cookie, hCtx);
168 }
169