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combobox in the TabItem has an error #6364

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ashe27 opened this issue Apr 24, 2023 · 2 comments
Closed

combobox in the TabItem has an error #6364

ashe27 opened this issue Apr 24, 2023 · 2 comments
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label/id and id stack implicit identifiers, pushid(), id stack

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@ashe27
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ashe27 commented Apr 24, 2023

The first parameter of BeginCombo cannot be left blank, otherwise it will not pop up correctly under the TabItem. I'm not sure if this is a bug.

if (ImGui::BeginTabItem("Test"))
{
    if (ImGui::BeginCombo("", "None"))
    {
        ImGui::EndCombo();
    }
    ImGui::EndTabItem();
}
@cfillion
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It needs a non-empty label to compute the combo box's unique ID. The label can be hidden by prepending ## to it: ImGui::BeginCombo("##my_combo", ...).

https://github.com/ocornut/imgui/blob/master/docs/FAQ.md#q-about-the-id-stack-system

@ashe27
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ashe27 commented Apr 24, 2023

It needs a non-empty label to compute the combo box's unique ID. The label can be hidden by prepending ## to it: ImGui::BeginCombo("##my_combo", ...).

https://github.com/ocornut/imgui/blob/master/docs/FAQ.md#q-about-the-id-stack-system

thanks

@ocornut ocornut added the label/id and id stack implicit identifiers, pushid(), id stack label Apr 24, 2023
@ocornut ocornut closed this as completed Apr 24, 2023
ocornut added a commit that referenced this issue Sep 10, 2024
@ocornut
Added io.ConfigDebugHighlightIdConflicts debug feature! (#7961, #7669)
67cd4ea 
Also #74, #96, #480, #501, #647, #654, #719, #843, #894, #1057, #1173, #1390, #1414, #1556, #1768, #2041, #2116, #2330, #2475, #2562, #2667, #2807, #2885, #3102, #3375, #3526, #3964, #4008, #4070, #4158, #4172, #4199, #4375, #4395, #4471, #4548, #4612, #4631, #4657, #4796, #5210, #5303, #5360, #5393, #5533, #5692, #5707, #5729, #5773, #5787, #5884, #6046, #6093, #6186, #6223, #6364, #6387, #6567, #6692, #6724, #6939, #6984, #7246, #7270, #7375, #7421, #7434, #7472, #7581, #7724, #7926, #7937 and probably more.. Tagging to increase visibility!
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@cfillion @ocornut @ashe27