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Combo: Comments + fixed missing lower window padding.

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This commit is contained in:
omar 2017-12-07 22:23:27 +01:00
parent 9872297a84
commit 541dfd7901
1 changed files with 10 additions and 5 deletions
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15
imgui.cpp
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@ -9135,11 +9135,12 @@ bool ImGui::BeginCombo(const char* label, const char* preview_value, ImGuiComboF
if (popup_size.x == 0.0f)
popup_size.x = w;
// FIXME: Start using shared helpers or handle in Begin(). We have similar code in Begin() calling FindBestWindowPosForPopup()
float popup_y1 = frame_bb.Max.y;
float popup_y2 = ImClamp(popup_y1 + popup_size.y, popup_y1, g.IO.DisplaySize.y - style.DisplaySafeAreaPadding.y);
if ((popup_y2 - popup_y1) < ImMin(popup_size.y, frame_bb.Min.y - style.DisplaySafeAreaPadding.y))
{
// Position our combo ABOVE because there's more space to fit! (FIXME: Handle in Begin() or use a shared helper. We have similar code in Begin() for popup placement)
// Position our combo ABOVE because there's more space to fit!
popup_y1 = ImClamp(frame_bb.Min.y - popup_size.y, style.DisplaySafeAreaPadding.y, frame_bb.Min.y);
popup_y2 = frame_bb.Min.y;
SetNextWindowPos(ImVec2(frame_bb.Min.x, frame_bb.Min.y + style.FrameBorderSize), ImGuiCond_Always, ImVec2(0.0f, 1.0f));
@ -9150,22 +9151,26 @@ bool ImGui::BeginCombo(const char* label, const char* preview_value, ImGuiComboF
SetNextWindowPos(ImVec2(frame_bb.Min.x, frame_bb.Max.y - style.FrameBorderSize), ImGuiCond_Always, ImVec2(0.0f, 0.0f));
}
SetNextWindowSize(ImVec2(popup_size.x, popup_y2 - popup_y1), ImGuiCond_Appearing);
PushStyleVar(ImGuiStyleVar_WindowPadding, style.FramePadding);
if (!BeginPopupEx(id, ImGuiWindowFlags_ComboBox))
{
IM_ASSERT(0); // This should never happen as we tested for IsPopupOpen() above
return false;
}
Spacing();
// Horizontally align ourselves with the framed text
if (style.FramePadding.x != style.WindowPadding.x)
Indent(style.FramePadding.x - style.WindowPadding.x);
return true;
}
void ImGui::EndCombo()
{
const ImGuiStyle& style = GImGui->Style;
if (style.FramePadding.x != style.WindowPadding.x)
Unindent(style.FramePadding.x - style.WindowPadding.x);
EndPopup();
PopStyleVar();
}
// Combo box function.
@ -9181,7 +9186,7 @@ bool ImGui::Combo(const char* label, int* current_item, bool (*items_getter)(voi
// Size default to hold ~7 items
if (height_in_items < 0)
height_in_items = 7;
float popup_height = (g.FontSize + style.ItemSpacing.y) * ImMin(items_count, height_in_items) + (style.FramePadding.y * 3);
float popup_height = (g.FontSize + style.ItemSpacing.y) * ImMin(items_count, height_in_items) - style.ItemSpacing.y + (style.WindowPadding.y * 2);
if (!BeginCombo(label, preview_text, 0, ImVec2(0.0f, popup_height)))
return false;