Joachim Priesner : user32: Hide horizontal Listbox scroll bar if no horizontal extent is set.
Module: wine Branch: master Commit: 175e714656a8a7c0552e2a7627b107f4d665f584 URL: http://source.winehq.org/git/wine.git/?a=commit;h=175e714656a8a7c0552e2a7627... Author: Joachim Priesner <joachim.priesner(a)web.de> Date: Mon Sep 28 11:20:45 2015 +0200 user32: Hide horizontal Listbox scroll bar if no horizontal extent is set. Signed-off-by: Joachim Priesner <joachim.priesner(a)web.de> --- dlls/user32/listbox.c | 18 +++++++- dlls/user32/tests/listbox.c | 103 ++++++++++++++++++++++++++++++++++++++++++++ 2 files changed, 120 insertions(+), 1 deletion(-) diff --git a/dlls/user32/listbox.c b/dlls/user32/listbox.c index 2902ac9..cf065e4 100644 --- a/dlls/user32/listbox.c +++ b/dlls/user32/listbox.c @@ -265,7 +265,7 @@ static void LISTBOX_UpdateScroll( LB_DESCR *descr ) if (descr->style & WS_VSCROLL) SetScrollInfo( descr->self, SB_VERT, &info, TRUE ); - if (descr->style & WS_HSCROLL) + if ((descr->style & WS_HSCROLL) && descr->horz_extent) { info.nPos = descr->horz_pos; info.nPage = descr->width; @@ -274,6 +274,20 @@ static void LISTBOX_UpdateScroll( LB_DESCR *descr ) info.fMask |= SIF_DISABLENOSCROLL; SetScrollInfo( descr->self, SB_HORZ, &info, TRUE ); } + else + { + if (descr->style & LBS_DISABLENOSCROLL) + { + info.nMin = 0; + info.nMax = 0; + info.fMask = SIF_RANGE | SIF_DISABLENOSCROLL; + SetScrollInfo( descr->self, SB_HORZ, &info, TRUE ); + } + else + { + ShowScrollBar( descr->self, SB_HORZ, FALSE ); + } + } } } @@ -1248,6 +1262,8 @@ static LRESULT LISTBOX_SetHorizontalExtent( LB_DESCR *descr, INT extent ) info.nMin = 0; info.nMax = descr->horz_extent ? descr->horz_extent - 1 : 0; info.fMask = SIF_RANGE; + if (descr->style & LBS_DISABLENOSCROLL) + info.fMask |= SIF_DISABLENOSCROLL; SetScrollInfo( descr->self, SB_HORZ, &info, TRUE ); } if (descr->horz_pos > extent - descr->width) diff --git a/dlls/user32/tests/listbox.c b/dlls/user32/tests/listbox.c index 79d18e7..9380457 100644 --- a/dlls/user32/tests/listbox.c +++ b/dlls/user32/tests/listbox.c @@ -1665,7 +1665,10 @@ static void test_extents(void) ok(br == TRUE, "GetScrollInfo failed\n"); ok(sinfo.nMin == 0, "got wrong min: %u\n", sinfo.nMin); ok(sinfo.nMax == 100, "got wrong max: %u\n", sinfo.nMax); + ok((GetWindowLongA(listbox, GWL_STYLE) & WS_HSCROLL) == 0, + "List box should not have a horizontal scroll bar\n"); + /* horizontal extent < width */ SendMessageA(listbox, LB_SETHORIZONTALEXTENT, 64, 0); res = SendMessageA(listbox, LB_GETHORIZONTALEXTENT, 0, 0); @@ -1677,6 +1680,23 @@ static void test_extents(void) ok(br == TRUE, "GetScrollInfo failed\n"); ok(sinfo.nMin == 0, "got wrong min: %u\n", sinfo.nMin); ok(sinfo.nMax == 100, "got wrong max: %u\n", sinfo.nMax); + ok((GetWindowLongA(listbox, GWL_STYLE) & WS_HSCROLL) == 0, + "List box should not have a horizontal scroll bar\n"); + + /* horizontal extent > width */ + SendMessageA(listbox, LB_SETHORIZONTALEXTENT, 184, 0); + + res = SendMessageA(listbox, LB_GETHORIZONTALEXTENT, 0, 0); + ok(res == 184, "Got wrong horizontal extent: %u\n", res); + + sinfo.cbSize = sizeof(sinfo); + sinfo.fMask = SIF_RANGE; + br = GetScrollInfo(listbox, SB_HORZ, &sinfo); + ok(br == TRUE, "GetScrollInfo failed\n"); + ok(sinfo.nMin == 0, "got wrong min: %u\n", sinfo.nMin); + ok(sinfo.nMax == 100, "got wrong max: %u\n", sinfo.nMax); + ok((GetWindowLongA(listbox, GWL_STYLE) & WS_HSCROLL) == 0, + "List box should not have a horizontal scroll bar\n"); DestroyWindow(listbox); @@ -1692,7 +1712,71 @@ static void test_extents(void) ok(br == TRUE, "GetScrollInfo failed\n"); ok(sinfo.nMin == 0, "got wrong min: %u\n", sinfo.nMin); ok(sinfo.nMax == 100, "got wrong max: %u\n", sinfo.nMax); + ok((GetWindowLongA(listbox, GWL_STYLE) & WS_HSCROLL) == 0, + "List box should not have a horizontal scroll bar\n"); + + /* horizontal extent < width */ + SendMessageA(listbox, LB_SETHORIZONTALEXTENT, 64, 0); + + res = SendMessageA(listbox, LB_GETHORIZONTALEXTENT, 0, 0); + ok(res == 64, "Got wrong horizontal extent: %u\n", res); + + sinfo.cbSize = sizeof(sinfo); + sinfo.fMask = SIF_RANGE; + br = GetScrollInfo(listbox, SB_HORZ, &sinfo); + ok(br == TRUE, "GetScrollInfo failed\n"); + ok(sinfo.nMin == 0, "got wrong min: %u\n", sinfo.nMin); + ok(sinfo.nMax == 63, "got wrong max: %u\n", sinfo.nMax); + ok((GetWindowLongA(listbox, GWL_STYLE) & WS_HSCROLL) == 0, + "List box should not have a horizontal scroll bar\n"); + + /* horizontal extent > width */ + SendMessageA(listbox, LB_SETHORIZONTALEXTENT, 184, 0); + + res = SendMessageA(listbox, LB_GETHORIZONTALEXTENT, 0, 0); + ok(res == 184, "Got wrong horizontal extent: %u\n", res); + + sinfo.cbSize = sizeof(sinfo); + sinfo.fMask = SIF_RANGE; + br = GetScrollInfo(listbox, SB_HORZ, &sinfo); + ok(br == TRUE, "GetScrollInfo failed\n"); + ok(sinfo.nMin == 0, "got wrong min: %u\n", sinfo.nMin); + ok(sinfo.nMax == 183, "got wrong max: %u\n", sinfo.nMax); + ok((GetWindowLongA(listbox, GWL_STYLE) & WS_HSCROLL) != 0, + "List box should have a horizontal scroll bar\n"); + + SendMessageA(listbox, LB_SETHORIZONTALEXTENT, 0, 0); + res = SendMessageA(listbox, LB_GETHORIZONTALEXTENT, 0, 0); + ok(res == 0, "Got wrong horizontal extent: %u\n", res); + + sinfo.cbSize = sizeof(sinfo); + sinfo.fMask = SIF_RANGE; + br = GetScrollInfo(listbox, SB_HORZ, &sinfo); + ok(br == TRUE, "GetScrollInfo failed\n"); + ok(sinfo.nMin == 0, "got wrong min: %u\n", sinfo.nMin); + ok(sinfo.nMax == 0, "got wrong max: %u\n", sinfo.nMax); + ok((GetWindowLongA(listbox, GWL_STYLE) & WS_HSCROLL) == 0, + "List box should not have a horizontal scroll bar\n"); + + DestroyWindow(listbox); + + + listbox = create_listbox(WS_CHILD | WS_VISIBLE | WS_HSCROLL | LBS_DISABLENOSCROLL, parent); + + res = SendMessageA(listbox, LB_GETHORIZONTALEXTENT, 0, 0); + ok(res == 0, "Got wrong initial horizontal extent: %u\n", res); + + sinfo.cbSize = sizeof(sinfo); + sinfo.fMask = SIF_RANGE; + br = GetScrollInfo(listbox, SB_HORZ, &sinfo); + ok(br == TRUE, "GetScrollInfo failed\n"); + ok(sinfo.nMin == 0, "got wrong min: %u\n", sinfo.nMin); + ok(sinfo.nMax == 0, "got wrong max: %u\n", sinfo.nMax); + ok((GetWindowLongA(listbox, GWL_STYLE) & WS_HSCROLL) != 0, + "List box should have a horizontal scroll bar\n"); + + /* horizontal extent < width */ SendMessageA(listbox, LB_SETHORIZONTALEXTENT, 64, 0); res = SendMessageA(listbox, LB_GETHORIZONTALEXTENT, 0, 0); @@ -1704,6 +1788,23 @@ static void test_extents(void) ok(br == TRUE, "GetScrollInfo failed\n"); ok(sinfo.nMin == 0, "got wrong min: %u\n", sinfo.nMin); ok(sinfo.nMax == 63, "got wrong max: %u\n", sinfo.nMax); + ok((GetWindowLongA(listbox, GWL_STYLE) & WS_HSCROLL) != 0, + "List box should have a horizontal scroll bar\n"); + + /* horizontal extent > width */ + SendMessageA(listbox, LB_SETHORIZONTALEXTENT, 184, 0); + + res = SendMessageA(listbox, LB_GETHORIZONTALEXTENT, 0, 0); + ok(res == 184, "Got wrong horizontal extent: %u\n", res); + + sinfo.cbSize = sizeof(sinfo); + sinfo.fMask = SIF_RANGE; + br = GetScrollInfo(listbox, SB_HORZ, &sinfo); + ok(br == TRUE, "GetScrollInfo failed\n"); + ok(sinfo.nMin == 0, "got wrong min: %u\n", sinfo.nMin); + ok(sinfo.nMax == 183, "got wrong max: %u\n", sinfo.nMax); + ok((GetWindowLongA(listbox, GWL_STYLE) & WS_HSCROLL) != 0, + "List box should have a horizontal scroll bar\n"); SendMessageA(listbox, LB_SETHORIZONTALEXTENT, 0, 0); @@ -1716,6 +1817,8 @@ static void test_extents(void) ok(br == TRUE, "GetScrollInfo failed\n"); ok(sinfo.nMin == 0, "got wrong min: %u\n", sinfo.nMin); ok(sinfo.nMax == 0, "got wrong max: %u\n", sinfo.nMax); + ok((GetWindowLongA(listbox, GWL_STYLE) & WS_HSCROLL) != 0, + "List box should have a horizontal scroll bar\n"); DestroyWindow(listbox);
participants (1)
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Alexandre Julliard