diff options
| -rw-r--r-- | generic/tkTextWind.c | 16 | ||||
| -rw-r--r-- | tests/textWind.test | 14 |
2 files changed, 24 insertions, 6 deletions
diff --git a/generic/tkTextWind.c b/generic/tkTextWind.c index 8d1f850..5b511d2 100644 --- a/generic/tkTextWind.c +++ b/generic/tkTextWind.c @@ -1123,6 +1123,16 @@ TkTextEmbWinDisplayProc( &lineX, &windowY, &width, &height); windowX = lineX - chunkPtr->x + x; + /* + * Mark the window as displayed so that it won't get unmapped. + * This needs to be done before the next instruction block because + * Tk_MaintainGeometry/Tk_MapWindow will run event handlers, in + * particular for the <Map> event, and if the bound script deletes + * the embedded window its clients will get freed. + */ + + client->displayed = 1; + if (textPtr->tkwin == Tk_Parent(tkwin)) { if ((windowX != Tk_X(tkwin)) || (windowY != Tk_Y(tkwin)) || (Tk_ReqWidth(tkwin) != Tk_Width(tkwin)) @@ -1134,12 +1144,6 @@ TkTextEmbWinDisplayProc( Tk_MaintainGeometry(tkwin, textPtr->tkwin, windowX, windowY, width, height); } - - /* - * Mark the window as displayed so that it won't get unmapped. - */ - - client->displayed = 1; } /* diff --git a/tests/textWind.test b/tests/textWind.test index 79dca50..2e16f7b 100644 --- a/tests/textWind.test +++ b/tests/textWind.test @@ -1023,6 +1023,20 @@ test textWind-17.9 {peer widget window configuration} { set res } {{-window {} {} {} {}} {-window {} {} {} {}} {-window {} {} {} .t.f} {-window {} {} {} .tt.t.f}} +test textWind-18.1 {embedded window deletion triggered by a script bound to <Map>} { + catch {destroy .t .f} + pack [text .t] + for {set i 1} {$i < 100} {incr i} {.t insert end "Line $i\n"} + .t window create end -window [frame .f -background red -width 80 -height 80] + .t window create end -window [frame .f2 -background blue -width 80 -height 80] + bind .f <Map> {.t delete .f} + update + # this shall not crash (bug 1501749) + after 100 {.t yview end} + tkwait visibility .f2 + update +} {} + catch {destroy .t} option clear |