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Menus: Fix appending to main menubar (#3068).

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This commit is contained in:
Rokas Kupstys
2020-03-24 10:13:41 +02:00
committed by omar
parent 16a9488c13
commit e8568f3ec9
1 changed files with 15 additions and 8 deletions
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23
imgui_widgets.cpp
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@@ -6150,18 +6150,23 @@ bool ImGui::BeginMainMenuBar()
{
ImGuiContext& g = *GImGui;
ImGuiViewportP* viewport = g.Viewports[0];
ImGuiWindow* menu_bar_window = FindWindowByName("##MainMenuBar");
// For the main menu bar, which cannot be moved, we honor g.Style.DisplaySafeAreaPadding to ensure text can be visible on a TV set.
g.NextWindowData.MenuBarOffsetMinVal = ImVec2(g.Style.DisplaySafeAreaPadding.x, ImMax(g.Style.DisplaySafeAreaPadding.y - g.Style.FramePadding.y, 0.0f));
// Get our rectangle in the work area, and report the size we need for next frame.
// We don't attempt to calculate our height ahead, as it depends on the per-viewport font size. However menu-bar will affect the minimum window size so we'll get the right height.
ImVec2 menu_bar_pos = viewport->Pos + viewport->CurrWorkOffsetMin;
ImVec2 menu_bar_size = ImVec2(viewport->Size.x - viewport->CurrWorkOffsetMin.x + viewport->CurrWorkOffsetMax.x, 1.0f);
// Get our rectangle at the top of the work area
if (menu_bar_window == NULL || menu_bar_window->BeginCount == 0)
{
// Set window position
// We don't attempt to calculate our height ahead, as it depends on the per-viewport font size. However menu-bar will affect the minimum window size so we'll get the right height.
ImVec2 menu_bar_pos = viewport->Pos + viewport->CurrWorkOffsetMin;
ImVec2 menu_bar_size = ImVec2(viewport->Size.x - viewport->CurrWorkOffsetMin.x + viewport->CurrWorkOffsetMax.x, 1.0f);
SetNextWindowPos(menu_bar_pos);
SetNextWindowSize(menu_bar_size);
}
// Create window
SetNextWindowPos(menu_bar_pos);
SetNextWindowSize(menu_bar_size);
SetNextWindowViewport(viewport->ID); // Enforce viewport so we don't create our own viewport when ImGuiConfigFlags_ViewportsNoMerge is set.
PushStyleVar(ImGuiStyleVar_WindowRounding, 0.0f);
PushStyleVar(ImGuiStyleVar_WindowMinSize, ImVec2(0, 0)); // Lift normal size constraint, however the presence of a menu-bar will give us the minimum height we want.
@@ -6169,8 +6174,10 @@ bool ImGui::BeginMainMenuBar()
bool is_open = Begin("##MainMenuBar", NULL, window_flags) && BeginMenuBar();
PopStyleVar(2);
// Feed back into work area using actual window size
viewport->CurrWorkOffsetMin.y += GetCurrentWindow()->Size.y;
// Report our size into work area (for next frame) using actual window size
menu_bar_window = GetCurrentWindow();
if (menu_bar_window->BeginCount == 1)
viewport->CurrWorkOffsetMin.y += menu_bar_window->Size.y;
g.NextWindowData.MenuBarOffsetMinVal = ImVec2(0.0f, 0.0f);
if (!is_open)