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Combo() clamp popup to lower edge of visible area

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ocornut 2015-07-17 16:14:04 -06:00
parent 20db726a9a
commit 0ab620c2b9
1 changed files with 3 additions and 2 deletions
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5
imgui.cpp
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@ -7871,8 +7871,9 @@ bool ImGui::Combo(const char* label, int* current_item, bool (*items_getter)(voi
if (height_in_items < 0) if (height_in_items < 0)
height_in_items = 7; height_in_items = 7;
const float popup_height = (label_size.y + style.ItemSpacing.y) * ImMin(items_count, height_in_items) + (style.FramePadding.y * 3); float popup_height = (label_size.y + style.ItemSpacing.y) * ImMin(items_count, height_in_items) + (style.FramePadding.y * 3);
const ImRect popup_rect(ImVec2(frame_bb.Min.x, frame_bb.Max.y), ImVec2(frame_bb.Max.x, frame_bb.Max.y + popup_height)); ImRect popup_rect(ImVec2(frame_bb.Min.x, frame_bb.Max.y), ImVec2(frame_bb.Max.x, frame_bb.Max.y + popup_height));
popup_rect.Max.y = ImMin(popup_rect.Max.y, g.IO.DisplaySize.y - style.DisplaySafeAreaPadding.y); // Adhoc height limit for Combo. Ideally should be handled in Begin() along with other popups size, we want to have the possibility of moving the popup above as well.
ImGui::SetNextWindowPos(popup_rect.Min); ImGui::SetNextWindowPos(popup_rect.Min);
ImGui::SetNextWindowSize(popup_rect.GetSize()); ImGui::SetNextWindowSize(popup_rect.GetSize());
ImGui::PushStyleVar(ImGuiStyleVar_WindowPadding, style.FramePadding); ImGui::PushStyleVar(ImGuiStyleVar_WindowPadding, style.FramePadding);