rostests/apitests/uxtheme/DrawThemeParentBackground.c

   1 /*
   2  * PROJECT:         ReactOS api tests
   3  * LICENSE:         GPL - See COPYING in the top level directory
   4  * PURPOSE:         Test for DrawThemeParentBackground
   5  * PROGRAMMERS:     Giannis Adamopoulos
   6  */
   7
   8 #include <apitest.h>
   9 #include <stdio.h>
  10 #include <windows.h>
  11 #include <uxtheme.h>
  12 #include <undocuser.h>
  13 #include <msgtrace.h>
  14 #include <user32testhelpers.h>
  15
  16 HWND hWnd1, hWnd2;
  17
  18 static int get_iwnd(HWND hWnd)
  19 {
  20     if(hWnd == hWnd1) return 1;
  21     else if(hWnd == hWnd2) return 2;
  22     else return 0;
  23 }
  24
  25 static LRESULT CALLBACK TestProc(HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam)
  26 {
  27     int iwnd = get_iwnd(hwnd);
  28
  29     if(message > WM_USER || !iwnd || message == WM_GETICON)
  30         return DefWindowProc(hwnd, message, wParam, lParam);
  31
  32     RECORD_MESSAGE(iwnd, message, SENT, 0,0);
  33     return DefWindowProc(hwnd, message, wParam, lParam);
  34 }
  35
  36 static void FlushMessages()
  37 {
  38     MSG msg;
  39
  40     while (PeekMessage( &msg, 0, 0, 0, PM_REMOVE ))
  41     {
  42         int iwnd = get_iwnd(msg.hwnd);
  43         if(iwnd && msg.message <= WM_USER)
  44             RECORD_MESSAGE(iwnd, msg.message, POST,0,0);
  45         DispatchMessageW( &msg );
  46     }
  47 }
  48
  49 MSG_ENTRY draw_parent_chain[]={{1, WM_ERASEBKGND},
  50                                {1, WM_PRINTCLIENT},
  51                                {0,0}};
  52
  53 void Test_Messages()
  54 {
  55     HDC hdc;
  56     RECT rc;
  57
  58     RegisterSimpleClass(TestProc, L"testClass");
  59
  60     hWnd1 = CreateWindowW(L"testClass", L"Test parent", WS_OVERLAPPEDWINDOW | WS_VISIBLE, 100, 100, 200, 200, 0, NULL, NULL, NULL);
  61     ok (hWnd1 != NULL, "Expected CreateWindowW to succeed\n");
  62     ShowWindow(hWnd1, SW_SHOW);
  63     UpdateWindow(hWnd1);
  64
  65     hWnd2 = CreateWindowW(L"testClass", L"test window", WS_CHILD | WS_VISIBLE, 0, 0, 100, 100, hWnd1, NULL, NULL, NULL);
  66     ok (hWnd2 != NULL, "Expected CreateWindowW to succeed\n");
  67     ShowWindow(hWnd2, SW_SHOW);
  68     UpdateWindow(hWnd2);
  69
  70     FlushMessages();
  71     EMPTY_CACHE();
  72
  73     DrawThemeParentBackground(hWnd2, NULL, NULL);
  74     FlushMessages();
  75     COMPARE_CACHE(empty_chain);
  76
  77     DrawThemeParentBackground(hWnd1, NULL, NULL);
  78     FlushMessages();
  79     COMPARE_CACHE(empty_chain);
  80
  81     hdc = GetDC(hWnd1);
  82
  83     DrawThemeParentBackground(hWnd2, hdc, NULL);
  84     FlushMessages();
  85     COMPARE_CACHE(draw_parent_chain);
  86
  87     DrawThemeParentBackground(hWnd1, hdc, NULL);
  88     FlushMessages();
  89     COMPARE_CACHE(empty_chain);
  90
  91     memset(&rc, 0, sizeof(rc));
  92
  93     DrawThemeParentBackground(hWnd2, hdc, &rc);
  94     FlushMessages();
  95     COMPARE_CACHE(draw_parent_chain);
  96
  97     DrawThemeParentBackground(hWnd1, hdc, &rc);
  98     FlushMessages();
  99     COMPARE_CACHE(empty_chain);
 100 }
 101
 102 START_TEST(DrawThemeParentBackground)
 103 {
 104     Test_Messages();
 105 }