dlls/user32/tests/static.c

   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 }