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Modal windows centered when appearing (#249)

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This commit is contained in:
ocornut 2015-06-23 14:28:11 -06:00
parent 2a041cfbe1
commit 06ed9257ef
1 changed files with 22 additions and 9 deletions
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21
imgui.cpp
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@ -3663,13 +3663,16 @@ bool ImGui::Begin(const char* name, bool* p_opened, const ImVec2& size_on_first_
window->SizeContents.y += window->ScrollY;
// Hide popup/tooltip window when first appearing while we measure size (because we recycle them)
if ((flags & (ImGuiWindowFlags_Popup | ImGuiWindowFlags_Tooltip)) != 0 && (flags & ImGuiWindowFlags_AlwaysAutoResize) && !window_was_visible)
if ((flags & (ImGuiWindowFlags_Popup | ImGuiWindowFlags_Tooltip)) != 0 && !window_was_visible)
{
window->HiddenFrames = 1;
if (flags & ImGuiWindowFlags_AlwaysAutoResize)
{
if (!window_size_set_by_api)
window->Size = window->SizeFull = ImVec2(0.f, 0.f);
window->SizeContents = ImVec2(0.f, 0.f);
}
}
// Calculate auto-fit size
ImVec2 size_auto_fit;
@ -3742,11 +3745,21 @@ bool ImGui::Begin(const char* name, bool* p_opened, const ImVec2& size_on_first_
rect_to_avoid = ImRect(parent_window->Pos.x + style.ItemSpacing.x, -FLT_MAX, parent_window->Pos.x + parent_window->Size.x - style.ItemSpacing.x - parent_window->ScrollbarWidth(), FLT_MAX); // We want some overlap to convey the relative depth of each popup (here hard-coded to 4)
window->PosFloat = FindBestWindowPos(window->PosFloat, window->Size, flags, &window->AutoPosLastDirection, rect_to_avoid);
}
else if ((flags & ImGuiWindowFlags_Popup) != 0 && window_appearing_after_being_hidden && !window_pos_set_by_api)
else if ((flags & ImGuiWindowFlags_Popup) != 0 && !window_pos_set_by_api && window_appearing_after_being_hidden)
{
if (flags & ImGuiWindowFlags_Modal)
{
// Center
// FIXME: Should be widely available, e.g. via SetNextWindowPos() API etc.
ImRect fullscreen_rect(GetVisibleRect());
window->PosFloat = ImMax(style.DisplaySafeAreaPadding, fullscreen_rect.GetCenter() - window->SizeContents * 0.5f);
}
else
{
ImRect rect_to_avoid(window->PosFloat.x - 1, window->PosFloat.y - 1, window->PosFloat.x + 1, window->PosFloat.y + 1);
window->PosFloat = FindBestWindowPos(window->PosFloat, window->Size, flags, &window->AutoPosLastDirection, rect_to_avoid);
}
}
// Position tooltip (always follows mouse)
if ((flags & ImGuiWindowFlags_Tooltip) != 0 && !window_pos_set_by_api)
@ -3814,8 +3827,8 @@ bool ImGui::Begin(const char* name, bool* p_opened, const ImVec2& size_on_first_
// Modal window darkens what is behind them
if ((flags & ImGuiWindowFlags_Modal) != 0 && window == GetFrontMostModalRootWindow())
{
ImVec4 fullscreen_rect = GetVisibleRect();
window->DrawList->AddRectFilled(ImVec2(fullscreen_rect.x, fullscreen_rect.y), ImVec2(fullscreen_rect.z, fullscreen_rect.w), window->Color(ImGuiCol_ModalWindowDarkening, g.ModalWindowDarkeningRatio));
ImRect fullscreen_rect = GetVisibleRect();
window->DrawList->AddRectFilled(fullscreen_rect.Min, fullscreen_rect.Max, window->Color(ImGuiCol_ModalWindowDarkening, g.ModalWindowDarkeningRatio));
}
// Draw window + handle manual resize