commit 72ceb3ebb76cbb2888b413464730c15adc4f504b
author Caolán McNamara <caolanm@redhat.com> Wed Apr 29 14:19:36 2020 +0100
committer Caolán McNamara <caolanm@redhat.com> Wed Apr 29 22:10:54 2020 +0200
tree 820849d6341e156caa4d71c4b8df4cad7499017b
parent 754bea8c6a17889f9d4d23bf98847b6b67253220

don't run generate preview idle if there are no fonts in the list

and reset preview idle when font list is cleared

Change-Id: Ice8c149754fbf64c9f81aa812465f0269de4c9d0
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/93161
Tested-by: Jenkins
Reviewed-by: Caolán McNamara <caolanm@redhat.com>

svtools/source/control/ctrlbox.cxx

diff --git a/svtools/source/control/ctrlbox.cxx b/svtools/source/control/ctrlbox.cxx
index f5ad5df..fafc2cb 100644
--- a/svtools/source/control/ctrlbox.cxx
+++ b/svtools/source/control/ctrlbox.cxx
@@ -423,6 +423,8 @@ void FontNameBox::InitFontMRUEntriesFile()
void FontNameBox::ImplDestroyFontList()
{
    mpFontList.reset();
    mnPreviewProgress = 0;
    maUpdateIdle.Stop();
}

void FontNameBox::Fill( const FontList* pList )
@@ -453,9 +455,9 @@ void FontNameBox::Fill( const FontList* pList )

    m_xComboBox->thaw();

    if (mbWYSIWYG)
    if (mbWYSIWYG && nFontCount)
    {
        mnPreviewProgress = 0;
        assert(mnPreviewProgress == 0 && "ImplDestroyFontList wasn't called");
        maUpdateIdle.Start();
    }