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comctl32/updown: Don't update buddy text if it's the same.

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This commit is contained in:
Nikolay Sivov 2009-12-22 21:58:27 +03:00 committed by Alexandre Julliard
parent 3288911ae3
commit 750ce6be35
2 changed files with 41 additions and 1 deletions
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36
dlls/comctl32/tests/updown.c
View File

@ -59,6 +59,9 @@
#define EDIT_SEQ_INDEX 1
#define UPDOWN_SEQ_INDEX 2
#define UPDOWN_ID 0
#define BUDDY_ID 1
static HWND parent_wnd, g_edit;
static BOOL (WINAPI *pSetWindowSubclass)(HWND, SUBCLASSPROC, UINT_PTR, DWORD_PTR);
@ -156,6 +159,11 @@ static const struct message test_updown_unicode_seq[] = {
{ 0 }
};
static const struct message test_updown_pos_nochange_seq[] = {
{ WM_GETTEXT, sent|id, 0, 0, BUDDY_ID },
{ 0 }
};
static LRESULT WINAPI parent_wnd_proc(HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam)
{
static LONG defwndproc_counter = 0;
@ -233,6 +241,7 @@ static LRESULT WINAPI edit_subclass_proc(HWND hwnd, UINT message, WPARAM wParam,
if (defwndproc_counter) msg.flags |= defwinproc;
msg.wParam = wParam;
msg.lParam = lParam;
msg.id = BUDDY_ID;
add_message(sequences, EDIT_SEQ_INDEX, &msg);
defwndproc_counter++;
@ -274,6 +283,7 @@ static LRESULT WINAPI updown_subclass_proc(HWND hwnd, UINT message, WPARAM wPara
if (defwndproc_counter) msg.flags |= defwinproc;
msg.wParam = wParam;
msg.lParam = lParam;
msg.id = UPDOWN_ID;
add_message(sequences, UPDOWN_SEQ_INDEX, &msg);
defwndproc_counter++;
@ -360,6 +370,19 @@ static void test_updown_pos(void)
ok_sequence(sequences, UPDOWN_SEQ_INDEX, test_updown_pos_seq , "test updown pos", FALSE);
DestroyWindow(updown);
/* there's no attempt to update buddy Edit if text didn't change */
SetWindowTextA(g_edit, "50");
updown = create_updown_control(UDS_ALIGNRIGHT | UDS_SETBUDDYINT, g_edit);
flush_sequences(sequences, NUM_MSG_SEQUENCES);
r = SendMessage(updown, UDM_SETPOS, 0, 50);
expect(50,r);
ok_sequence(sequences, EDIT_SEQ_INDEX, test_updown_pos_nochange_seq,
"test updown pos, no change", FALSE);
DestroyWindow(updown);
}
static void test_updown_pos32(void)
@ -434,6 +457,19 @@ static void test_updown_pos32(void)
ok_sequence(sequences, UPDOWN_SEQ_INDEX, test_updown_pos32_seq, "test updown pos32", FALSE);
DestroyWindow(updown);
/* there's no attempt to update buddy Edit if text didn't change */
SetWindowTextA(g_edit, "50");
updown = create_updown_control(UDS_ALIGNRIGHT | UDS_SETBUDDYINT, g_edit);
flush_sequences(sequences, NUM_MSG_SEQUENCES);
r = SendMessage(updown, UDM_SETPOS32, 0, 50);
expect(50,r);
ok_sequence(sequences, EDIT_SEQ_INDEX, test_updown_pos_nochange_seq,
"test updown pos, no change", FALSE);
DestroyWindow(updown);
}
static void test_updown_buddy(void)

6
dlls/comctl32/updown.c
View File

@ -310,7 +310,7 @@ static BOOL UPDOWN_GetBuddyInt (UPDOWN_INFO *infoPtr)
static BOOL UPDOWN_SetBuddyInt (const UPDOWN_INFO *infoPtr)
{
WCHAR fmt[3] = { '%', 'd', '\0' };
WCHAR txt[20];
WCHAR txt[20], txt_old[20] = { 0 };
int len;
if (!((infoPtr->Flags & FLAG_BUDDYINT) && IsWindow(infoPtr->Buddy)))
@ -345,6 +345,10 @@ static BOOL UPDOWN_SetBuddyInt (const UPDOWN_INFO *infoPtr)
*dst = 0;
}
/* if nothing changed exit earlier */
GetWindowTextW(infoPtr->Buddy, txt_old, sizeof(txt_old)/sizeof(WCHAR));
if (lstrcmpiW(txt_old, txt) == 0) return 0;
return SetWindowTextW(infoPtr->Buddy, txt);
}