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Popups: Internals: Added IsAnyPopupOpen().

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This commit is contained in:
ocornut 2020-06-16 18:46:14 +02:00
parent d31fe97f74
commit 37eb89371b
4 changed files with 24 additions and 8 deletions
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22
imgui.cpp
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@ -7603,12 +7603,14 @@ void ImGui::SetTooltip(const char* fmt, ...)
// [SECTION] POPUPS
//-----------------------------------------------------------------------------
// Return true if the popup is open at the current BeginPopup() level of the popup stack
bool ImGui::IsPopupOpen(ImGuiID id)
{
ImGuiContext& g = *GImGui;
return g.OpenPopupStack.Size > g.BeginPopupStack.Size && g.OpenPopupStack[g.BeginPopupStack.Size].PopupId == id;
}
// Return true if the popup is open at the current BeginPopup() level of the popup stack
bool ImGui::IsPopupOpen(const char* str_id)
{
ImGuiContext& g = *GImGui;
@ -7624,6 +7626,14 @@ bool ImGui::IsPopupOpenAtAnyLevel(ImGuiID id)
return false;
}
// Return true if any popup is open at the current BeginPopup() level of the popup stack
// This may be used to e.g. test for another popups already opened in the same frame to handle popups priorities at the same level.
bool ImGui::IsAnyPopupOpen()
{
ImGuiContext& g = *GImGui;
return g.OpenPopupStack.Size > g.BeginPopupStack.Size;
}
ImGuiWindow* ImGui::GetTopMostPopupModal()
{
ImGuiContext& g = *GImGui;
@ -7879,8 +7889,10 @@ bool ImGui::OpenPopupContextItem(const char* str_id, ImGuiMouseButton mouse_butt
}
// This is a helper to handle the simplest case of associating one named popup to one given widget.
// You may want to handle this on user side if you have specific needs (e.g. tweaking IsItemHovered() parameters).
// You can pass a NULL str_id to use the identifier of the last item.
// - You can pass a NULL str_id to use the identifier of the last item.
// - You may want to handle this on user side if you have specific needs (e.g. tweaking IsItemHovered() parameters).
// - This is essentially the same as calling OpenPopupContextItem() + BeginPopupEx() but written to avoid
// computing the ID twice because BeginPopupContextXXX functions are called very frequently.
bool ImGui::BeginPopupContextItem(const char* str_id, ImGuiMouseButton mouse_button)
{
ImGuiWindow* window = GImGui->CurrentWindow;
@ -7895,9 +7907,10 @@ bool ImGui::BeginPopupContextItem(const char* str_id, ImGuiMouseButton mouse_but
bool ImGui::BeginPopupContextWindow(const char* str_id, ImGuiMouseButton mouse_button, bool also_over_items)
{
ImGuiWindow* window = GImGui->CurrentWindow;
if (!str_id)
str_id = "window_context";
ImGuiID id = GImGui->CurrentWindow->GetID(str_id);
ImGuiID id = window->GetID(str_id);
if (IsMouseReleased(mouse_button) && IsWindowHovered(ImGuiHoveredFlags_AllowWhenBlockedByPopup))
if (also_over_items || !IsAnyItemHovered())
OpenPopupEx(id);
@ -7906,9 +7919,10 @@ bool ImGui::BeginPopupContextWindow(const char* str_id, ImGuiMouseButton mouse_b
bool ImGui::BeginPopupContextVoid(const char* str_id, ImGuiMouseButton mouse_button)
{
ImGuiWindow* window = GImGui->CurrentWindow;
if (!str_id)
str_id = "void_context";
ImGuiID id = GImGui->CurrentWindow->GetID(str_id);
ImGuiID id = window->GetID(str_id);
if (IsMouseReleased(mouse_button) && !IsWindowHovered(ImGuiHoveredFlags_AnyWindow))
OpenPopupEx(id);
return BeginPopupEx(id, ImGuiWindowFlags_AlwaysAutoResize|ImGuiWindowFlags_NoTitleBar|ImGuiWindowFlags_NoSavedSettings);

5
imgui.h
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@ -602,6 +602,7 @@ namespace ImGui
// (*1) You can bypass that restriction and detect hovering even when normally blocked by a popup.
// To do this use the ImGuiHoveredFlags_AllowWhenBlockedByPopup when calling IsItemHovered() or IsWindowHovered().
// This is what BeginPopupContextItem() and BeginPopupContextWindow() are doing already, allowing a right-click to reopen another popups without losing the click.
// - The BeginPopupContextXXX functions are essentially helpers to do an OpenPopup() in some condition + BeginPopup().
IMGUI_API void OpenPopup(const char* str_id); // call to mark popup as open (don't call every frame!). popups are closed when user click outside, or if CloseCurrentPopup() is called within a BeginPopup()/EndPopup() block. By default, Selectable()/MenuItem() are calling CloseCurrentPopup(). Popup identifiers are relative to the current ID-stack (so OpenPopup and BeginPopup needs to be at the same level).
IMGUI_API bool BeginPopup(const char* str_id, ImGuiWindowFlags flags = 0); // return true if the popup is open, and you can start outputting to it. only call EndPopup() if BeginPopup() returns true!
IMGUI_API bool BeginPopupContextItem(const char* str_id = NULL, ImGuiMouseButton mouse_button = 1); // helper to open and begin popup when clicked on last item. if you can pass a NULL str_id only if the previous item had an id. If you want to use that on a non-interactive item such as Text() you need to pass in an explicit ID here. read comments in .cpp!
@ -609,8 +610,8 @@ namespace ImGui
IMGUI_API bool BeginPopupContextVoid(const char* str_id = NULL, ImGuiMouseButton mouse_button = 1); // helper to open and begin popup when clicked in void (where there are no imgui windows).
IMGUI_API bool BeginPopupModal(const char* name, bool* p_open = NULL, ImGuiWindowFlags flags = 0); // modal dialog (regular window with title bar, block interactions behind the modal window, can't close the modal window by clicking outside)
IMGUI_API void EndPopup(); // only call EndPopup() if BeginPopupXXX() returns true!
IMGUI_API bool OpenPopupContextItem(const char* str_id = NULL, ImGuiMouseButton mouse_button = 1); // helper to open popup when clicked on last item (note: actually triggers on the mouse _released_ event to be consistent with popup behaviors). return true when just opened.
IMGUI_API bool IsPopupOpen(const char* str_id); // return true if the popup is open at the current begin-ed level of the popup stack.
IMGUI_API bool OpenPopupContextItem(const char* str_id = NULL, ImGuiMouseButton mouse_button = 1); // helper to open popup when clicked on last item. return true when just opened. (note: actually triggers on the mouse _released_ event to be consistent with popup behaviors)
IMGUI_API bool IsPopupOpen(const char* str_id); // return true if the popup is open at the current BeginPopup() level of the popup stack
IMGUI_API void CloseCurrentPopup(); // close the popup we have begin-ed into. clicking on a MenuItem or Selectable automatically close the current popup.
// Columns

2
imgui_demo.cpp
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@ -2813,7 +2813,7 @@ static void ShowDemoWindowPopups()
if (ImGui::TreeNode("Context menus"))
{
// BeginPopupContextItem() is a helper to provide common/simple popup behavior of essentially doing:
// if (IsItemHovered() && IsMouseReleased(0))
// if (IsItemHovered() && IsMouseReleased(ImGuiMouseButton_Right))
// OpenPopup(id);
// return BeginPopup(id);
// For more advanced uses you may want to replicate and customize this code.

3
imgui_internal.h
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@ -1852,8 +1852,9 @@ namespace ImGui
IMGUI_API void OpenPopupEx(ImGuiID id);
IMGUI_API void ClosePopupToLevel(int remaining, bool restore_focus_to_window_under_popup);
IMGUI_API void ClosePopupsOverWindow(ImGuiWindow* ref_window, bool restore_focus_to_window_under_popup);
IMGUI_API bool IsPopupOpen(ImGuiID id); // Test for id at current popup stack level (currently begin-ed into); this doesn't scan the whole popup stack!
IMGUI_API bool IsPopupOpen(ImGuiID id); // Test for id at the current BeginPopup() level of the popup stack (this doesn't scan the whole popup stack!)
IMGUI_API bool IsPopupOpenAtAnyLevel(ImGuiID id);
IMGUI_API bool IsAnyPopupOpen(); // Return true if any popup is open at the current BeginPopup() level of the popup stack
IMGUI_API bool BeginPopupEx(ImGuiID id, ImGuiWindowFlags extra_flags);
IMGUI_API void BeginTooltipEx(ImGuiWindowFlags extra_flags, ImGuiTooltipFlags tooltip_flags);
IMGUI_API ImGuiWindow* GetTopMostPopupModal();