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fix: remove one-frame blank on virtual scrolls

This commit is contained in:
Anna 2022-01-31 18:14:06 -05:00
parent f972105f67
commit 326ef5430c
1 changed files with 18 additions and 8 deletions
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26
ChatTwo/Ui/ChatLog.cs
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@ -473,30 +473,40 @@ internal sealed class ChatLog : IUiComponent {
message.IsVisible = false;
}
// go to next row
if (table) {
ImGui.TableNextColumn();
}
// message has rendered once
if (message.Height.HasValue) {
// message isn't visible, so render dummy
if (!message.IsVisible) {
// skip columns
if (table) {
if (tab.DisplayTimestamp) {
ImGui.TableNextColumn();
}
var beforeDummy = ImGui.GetCursorPos();
if (table) {
// skip to the message column for vis test
ImGui.TableNextColumn();
}
ImGui.Dummy(new Vector2(1f, message.Height.Value));
ImGui.Dummy(new Vector2(10f, message.Height.Value));
message.IsVisible = ImGui.IsItemVisible();
goto UpdateMessage;
if (message.IsVisible) {
if (table) {
ImGui.TableSetColumnIndex(0);
}
ImGui.SetCursorPos(beforeDummy);
} else {
goto UpdateMessage;
}
}
}
if (tab.DisplayTimestamp) {
var timestamp = message.Date.ToLocalTime().ToString("t");
if (table) {
ImGui.TableNextColumn();
ImGui.TextUnformatted(timestamp);
} else {
this.DrawChunk(new TextChunk(null, null, $"[{timestamp}]") {