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 <stdarg.h>
21 #include <stdio.h>
22 
23 #define STRICT
24 #define WIN32_LEAN_AND_MEAN
25 #include <windows.h>
26 
27 #include "wine/test.h"
28 
29 #define TODO_COUNT 1
30 
31 #define CTRL_ID 1995
32 
33 static HWND hMainWnd;
34 
35 #define expect_eq(expr, value, type, fmt) { type val = expr; ok(val == (value), #expr " expected " fmt " got " fmt "\n", (value), val); }
36 
37 static int g_nReceivedColorStatic = 0;
38 
39 /* try to make sure pending X events have been processed before continuing */
40 static void flush_events(void)
41 {
42     MSG msg;
43     int diff = 200;
44     int min_timeout = 100;
45     DWORD time = GetTickCount() + diff;
46 
47     while (diff > 0)
48     {
49         if (MsgWaitForMultipleObjects( 0, NULL, FALSE, min_timeout, QS_ALLINPUT ) == WAIT_TIMEOUT) break;
50         while (PeekMessageA( &msg, 0, 0, 0, PM_REMOVE )) DispatchMessageA( &msg );
51         diff = time - GetTickCount();
52     }
53 }
54 
55 static HWND build_static(DWORD style)
56 {
57     return CreateWindowA("static", "Test", WS_VISIBLE|WS_CHILD|style, 5, 5, 100, 100, hMainWnd, (HMENU)CTRL_ID, NULL, 0);
58 }
59 
60 static LRESULT CALLBACK WndProc(HWND hwnd, UINT msg, WPARAM wparam, LPARAM lparam)
61 {
62     switch (msg)
63     {
64     case WM_CTLCOLORSTATIC:
65         {
66             HDC hdc = (HDC)wparam;
67             HRGN hrgn = CreateRectRgn(0, 0, 1, 1);
68             ok(GetClipRgn(hdc, hrgn) == 1, "Static controls during a WM_CTLCOLORSTATIC must have a clipping region\n");
69             DeleteObject(hrgn);
70             g_nReceivedColorStatic++;
71             return (LRESULT) GetStockObject(BLACK_BRUSH);
72         }
73         break;
74     }
75 
76     return DefWindowProcA(hwnd, msg, wparam, lparam);
77 }
78 
79 static void test_updates(int style, int flags)
80 {
81     RECT r1 = {20, 20, 30, 30};
82     HWND hStatic = build_static(style);
83     int exp;
84 
85     flush_events();
86     trace("Testing style 0x%x\n", style);
87     g_nReceivedColorStatic = 0;
88     /* during each update parent WndProc will test the WM_CTLCOLORSTATIC message */
89     InvalidateRect(hMainWnd, NULL, FALSE);
90     UpdateWindow(hMainWnd);
91     InvalidateRect(hMainWnd, &r1, FALSE);
92     UpdateWindow(hMainWnd);
93     InvalidateRect(hStatic, &r1, FALSE);
94     UpdateWindow(hStatic);
95     InvalidateRect(hStatic, NULL, FALSE);
96     UpdateWindow(hStatic);
97 
98     if( (style & SS_TYPEMASK) == SS_BITMAP) {
99         HDC hdc = GetDC( hStatic);
100         COLORREF colour = GetPixel( hdc, 10, 10);
101         ok ( colour != 0, "pixel should NOT be painted black!\n");
102         ReleaseDC(hStatic, hdc);
103     }
104     if (style != SS_ETCHEDHORZ && style != SS_ETCHEDVERT)
105         exp = 4;
106     else
107         exp = 1; /* SS_ETCHED* seems to send WM_CTLCOLORSTATIC only sometimes */
108 
109     if (flags & TODO_COUNT)
110         todo_wine { expect_eq(g_nReceivedColorStatic, exp, int, "%d"); }
111     else if ((style & SS_TYPEMASK) == SS_ICON || (style & SS_TYPEMASK) == SS_BITMAP)
112         ok( g_nReceivedColorStatic == exp, "expected %u got %u\n", exp, g_nReceivedColorStatic );
113     else
114         expect_eq(g_nReceivedColorStatic, exp, int, "%d");
115     DestroyWindow(hStatic);
116 }
117 
118 static void test_set_text(void)
119 {
120     HWND hStatic = build_static(SS_SIMPLE);
121     char buffA[10];
122 
123     GetWindowTextA(hStatic, buffA, sizeof(buffA));
124     ok(!strcmp(buffA, "Test"), "got wrong text %s\n", buffA);
125 
126     SetWindowTextA(hStatic, NULL);
127     GetWindowTextA(hStatic, buffA, sizeof(buffA));
128     ok(buffA[0] == 0, "got wrong text %s\n", buffA);
129 
130     DestroyWindow(hStatic);
131 }
132 
133 START_TEST(static)
134 {
135     static const char szClassName[] = "testclass";
136     WNDCLASSEXA  wndclass;
137 
138     wndclass.cbSize         = sizeof(wndclass);
139     wndclass.style          = CS_HREDRAW | CS_VREDRAW;
140     wndclass.lpfnWndProc    = WndProc;
141     wndclass.cbClsExtra     = 0;
142     wndclass.cbWndExtra     = 0;
143     wndclass.hInstance      = GetModuleHandleA(NULL);
144     wndclass.hIcon          = LoadIconA(NULL, (LPCSTR)IDI_APPLICATION);
145     wndclass.hIconSm        = LoadIconA(NULL, (LPCSTR)IDI_APPLICATION);
146     wndclass.hCursor        = LoadCursorA(NULL, (LPCSTR)IDC_ARROW);
147     wndclass.hbrBackground  = GetStockObject(WHITE_BRUSH);
148     wndclass.lpszClassName  = szClassName;
149     wndclass.lpszMenuName   = NULL;
150     RegisterClassExA(&wndclass);
151 
152     hMainWnd = CreateWindowA(szClassName, "Test", WS_OVERLAPPEDWINDOW, 0, 0, 500, 500, NULL, NULL, GetModuleHandleA(NULL), NULL);
153     ShowWindow(hMainWnd, SW_SHOW);
154 
155     test_updates(0, 0);
156     test_updates(SS_SIMPLE, 0);
157     test_updates(SS_ICON, 0);
158     test_updates(SS_BITMAP, 0);
159     test_updates(SS_BITMAP | SS_CENTERIMAGE, 0);
160     test_updates(SS_BLACKRECT, TODO_COUNT);
161     test_updates(SS_WHITERECT, TODO_COUNT);
162     test_updates(SS_ETCHEDHORZ, TODO_COUNT);
163     test_updates(SS_ETCHEDVERT, TODO_COUNT);
164     test_set_text();
165 
166     DestroyWindow(hMainWnd);
167 }
168