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Menus: Fixed gaps in closing logic. (#5614)

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The _MenuBar test introduced in c2cb2a69 doesn't appear to be meaningful.
This commit is contained in:
ocornut 2022-09-01 20:30:59 +02:00
parent b3ea01d86f
commit 03fc9a0b17
2 changed files with 10 additions and 5 deletions
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2
docs/CHANGELOG.txt
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@ -82,6 +82,8 @@ Other Changes:
- Menus: Fixed incorrect sub-menu parent association when opening a menu by closing another. - Menus: Fixed incorrect sub-menu parent association when opening a menu by closing another.
Among other things, it would accidentally break part of the closing heuristic logic when moving Among other things, it would accidentally break part of the closing heuristic logic when moving
towards a sub-menu. (#2517, #5614). [@rokups] towards a sub-menu. (#2517, #5614). [@rokups]
- Menus: Fixed gaps in closing logic which would make child-menu erroneously close when crossing
the gap between a menu item inside a window and a child-menu in a secondary viewport. (#5614)
- Nav: Fixed moving/resizing window with gamepad or keyboard when running at very high framerate. - Nav: Fixed moving/resizing window with gamepad or keyboard when running at very high framerate.
- Nav: Pressing Space/GamepadFaceDown on a repeating button uses the same repeating rate as a mouse hold. - Nav: Pressing Space/GamepadFaceDown on a repeating button uses the same repeating rate as a mouse hold.
- Platform IME: [Windows] Removed call to ImmAssociateContextEx() leading to freeze on some setups. - Platform IME: [Windows] Removed call to ImmAssociateContextEx() leading to freeze on some setups.

13
imgui_widgets.cpp
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@ -7109,19 +7109,22 @@ bool ImGui::BeginMenuEx(const char* label, const char* icon, bool enabled)
bool moving_toward_child_menu = false; bool moving_toward_child_menu = false;
ImGuiPopupData* child_popup = (g.BeginPopupStack.Size < g.OpenPopupStack.Size) ? &g.OpenPopupStack[g.BeginPopupStack.Size] : NULL; // Popup candidate (testing below) ImGuiPopupData* child_popup = (g.BeginPopupStack.Size < g.OpenPopupStack.Size) ? &g.OpenPopupStack[g.BeginPopupStack.Size] : NULL; // Popup candidate (testing below)
ImGuiWindow* child_menu_window = (child_popup && child_popup->Window && child_popup->Window->ParentWindow == window) ? child_popup->Window : NULL; ImGuiWindow* child_menu_window = (child_popup && child_popup->Window && child_popup->Window->ParentWindow == window) ? child_popup->Window : NULL;
if (g.HoveredWindow == window && child_menu_window != NULL && !(window->Flags & ImGuiWindowFlags_MenuBar)) if (g.HoveredWindow == window && child_menu_window != NULL)
{ {
float ref_unit = g.FontSize; // FIXME-DPI float ref_unit = g.FontSize; // FIXME-DPI
float child_dir = (window->Pos.x < child_menu_window->Pos.x) ? 1.0f : -1.0f;
ImRect next_window_rect = child_menu_window->Rect(); ImRect next_window_rect = child_menu_window->Rect();
ImVec2 ta = (g.IO.MousePos - g.IO.MouseDelta); ImVec2 ta = (g.IO.MousePos - g.IO.MouseDelta);
ImVec2 tb = (window->Pos.x < child_menu_window->Pos.x) ? next_window_rect.GetTL() : next_window_rect.GetTR(); ImVec2 tb = (child_dir > 0.0f) ? next_window_rect.GetTL() : next_window_rect.GetTR();
ImVec2 tc = (window->Pos.x < child_menu_window->Pos.x) ? next_window_rect.GetBL() : next_window_rect.GetBR(); ImVec2 tc = (child_dir > 0.0f) ? next_window_rect.GetBL() : next_window_rect.GetBR();
float extra = ImClamp(ImFabs(ta.x - tb.x) * 0.30f, ref_unit * 0.5f, ref_unit * 2.5f); // add a bit of extra slack. float extra = ImClamp(ImFabs(ta.x - tb.x) * 0.30f, ref_unit * 0.5f, ref_unit * 2.5f); // add a bit of extra slack.
ta.x += (window->Pos.x < child_menu_window->Pos.x) ? -0.5f : +0.5f; // to avoid numerical issues (FIXME: ??) ta.x += child_dir * -0.5f;
tb.x += child_dir * ref_unit;
tc.x += child_dir * ref_unit;
tb.y = ta.y + ImMax((tb.y - extra) - ta.y, -ref_unit * 8.0f); // triangle has maximum height to limit the slope and the bias toward large sub-menus tb.y = ta.y + ImMax((tb.y - extra) - ta.y, -ref_unit * 8.0f); // triangle has maximum height to limit the slope and the bias toward large sub-menus
tc.y = ta.y + ImMin((tc.y + extra) - ta.y, +ref_unit * 8.0f); tc.y = ta.y + ImMin((tc.y + extra) - ta.y, +ref_unit * 8.0f);
moving_toward_child_menu = ImTriangleContainsPoint(ta, tb, tc, g.IO.MousePos); moving_toward_child_menu = ImTriangleContainsPoint(ta, tb, tc, g.IO.MousePos);
//GetForegroundDrawList()->AddTriangleFilled(ta, tb, tc, moving_toward_other_child_menu ? IM_COL32(0,128,0,128) : IM_COL32(128,0,0,128)); // [DEBUG] //GetForegroundDrawList()->AddTriangleFilled(ta, tb, tc, moving_toward_child_menu ? IM_COL32(0,128,0,128) : IM_COL32(128,0,0,128)); // [DEBUG]
} }
// The 'HovereWindow == window' check creates an inconsistency (e.g. moving away from menu slowly tends to hit same window, whereas moving away fast does not) // The 'HovereWindow == window' check creates an inconsistency (e.g. moving away from menu slowly tends to hit same window, whereas moving away fast does not)