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comctl32: Fix for owner draw statusbar. 

Ownerdraw status bar should update on receiveing a SB_SETTEXT message,
even if the 'text' parameter has not changed. Fix with conformance
test.
This commit is contained in:
Rein Klazes 2009-02-15 14:27:55 +01:00 committed by Alexandre Julliard
parent 788add572b
commit da257e3301
2 changed files with 50 additions and 2 deletions
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2
dlls/comctl32/status.c
View File

@ -759,8 +759,6 @@ STATUSBAR_SetTextT (STATUS_INFO *infoPtr, INT nPart, WORD style,
if (style & SBT_OWNERDRAW) {
if (!(oldStyle & SBT_OWNERDRAW))
Free (part->text);
else if (part->text == text)
return TRUE;
part->text = (LPWSTR)text;
} else {
LPWSTR ntext;

50
dlls/comctl32/tests/status.c
View File

@ -42,6 +42,8 @@ static HWND g_hMainWnd;
static int g_wmsize_count = 0;
static DWORD g_ysize;
static DWORD g_dpisize;
static int g_wmdrawitm_ctr;
static WNDPROC g_wndproc_saved;
static HWND create_status_control(DWORD style, DWORD exstyle)
{
@ -407,6 +409,53 @@ static void test_status_control(void)
DestroyWindow(hWndStatus);
}
static LRESULT WINAPI ownerdraw_test_wndproc(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam)
{
LRESULT ret;
if (msg == WM_DRAWITEM)
g_wmdrawitm_ctr++;
ret = CallWindowProc(g_wndproc_saved, hwnd, msg, wParam, lParam);
return ret;
}
static void test_status_ownerdraw(void)
{
HWND hWndStatus;
int r;
const char* statustext = "STATUS TEXT";
LONG oldstyle;
/* subclass the main window and make sure it is visible */
g_wndproc_saved = (WNDPROC) SetWindowLongPtr( g_hMainWnd, GWLP_WNDPROC,
(LONG_PTR)ownerdraw_test_wndproc );
ok( g_wndproc_saved != 0, "failed to set the WndProc\n");
SetWindowPos( g_hMainWnd, HWND_TOPMOST, 0, 0, 0, 0, SWP_NOSIZE|SWP_NOMOVE);
oldstyle = GetWindowLong( g_hMainWnd, GWL_STYLE);
SetWindowLong( g_hMainWnd, GWL_STYLE, oldstyle | WS_VISIBLE);
/* create a status child window */
ok((hWndStatus = CreateWindowA(SUBCLASS_NAME, "", WS_CHILD|WS_VISIBLE, 0, 0, 100, 100,
g_hMainWnd, NULL, NULL, 0)) != NULL, "CreateWindowA failed\n");
/* set text */
g_wmdrawitm_ctr = 0;
r = SendMessage(hWndStatus, SB_SETTEXT, 0, (LPARAM)statustext);
ok( r == TRUE, "Sendmessage returned %d, expected 1\n", r);
ok( 0 == g_wmdrawitm_ctr, "got %d drawitem messages expected none\n", g_wmdrawitm_ctr);
/* set same text, with ownerdraw flag */
g_wmdrawitm_ctr = 0;
r = SendMessage(hWndStatus, SB_SETTEXT, SBT_OWNERDRAW, (LPARAM)statustext);
ok( r == TRUE, "Sendmessage returned %d, expected 1\n", r);
ok( 1 == g_wmdrawitm_ctr, "got %d drawitem messages expected 1\n", g_wmdrawitm_ctr);
/* ;and again */
g_wmdrawitm_ctr = 0;
r = SendMessage(hWndStatus, SB_SETTEXT, SBT_OWNERDRAW, (LPARAM)statustext);
ok( r == TRUE, "Sendmessage returned %d, expected 1\n", r);
ok( 1 == g_wmdrawitm_ctr, "got %d drawitem messages expected 1\n", g_wmdrawitm_ctr);
/* clean up */
DestroyWindow(hWndStatus);
SetWindowLong( g_hMainWnd, GWL_STYLE, oldstyle);
SetWindowLongPtr( g_hMainWnd, GWLP_WNDPROC, (LONG_PTR)g_wndproc_saved );
}
START_TEST(status)
{
hinst = GetModuleHandleA(NULL);
@ -423,4 +472,5 @@ START_TEST(status)
test_status_control();
test_create();
test_height();
test_status_ownerdraw();
}