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Code Releases Wiki Activity

Added ImGuiFocusedFlags_NoPopupHierarchy and ImGuiHoveredFlags_NoPopupHierarchy (followup #4527)

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ocornut 2021-09-24 14:51:14 +02:00
parent 24a77824f2
commit fc4988ffb0
5 changed files with 66 additions and 28 deletions
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4
docs/CHANGELOG.txt
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@ -43,6 +43,10 @@ Breaking Changes:
Other Changes:
- Windows: Fixed background order of overlapping childs submitted sequentially. (#4493)
- IsWindowFocused: Added ImGuiFocusedFlags_NoPopupHierarchy flag allowing to exclude child popups
from the tested windows when combined with _ChildWindows.
- IsWindowHovered: Added ImGuiHoveredFlags_NoPopupHierarchy flag allowing to exclude child popups
from the tested windows when combined with _ChildWindows.
- InputTextMultiline: Fixed label size not being included into window contents rect unless
the whole widget is clipped.
- InputText: Allow activating/cancelling/validating input with gamepad nav events. (#2321, #4552)

32
imgui.cpp
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@ -3888,7 +3888,7 @@ void ImGui::UpdateHoveredWindowAndCaptureFlags()
// Modal windows prevents mouse from hovering behind them.
ImGuiWindow* modal_window = GetTopMostPopupModal();
if (modal_window && g.HoveredWindow && !IsWindowChildOf(g.HoveredWindow->RootWindow, modal_window))
if (modal_window && g.HoveredWindow && !IsWindowChildOf(g.HoveredWindow->RootWindow, modal_window, true))
clear_hovered_windows = true;
// Disabled mouse?
@ -5778,9 +5778,11 @@ void ImGui::RenderWindowTitleBarContents(ImGuiWindow* window, const ImRect& titl
void ImGui::UpdateWindowParentAndRootLinks(ImGuiWindow* window, ImGuiWindowFlags flags, ImGuiWindow* parent_window)
{
window->ParentWindow = parent_window;
window->RootWindow = window->RootWindowForTitleBarHighlight = window->RootWindowForNav = window;
window->RootWindow = window->RootWindowPopupTree = window->RootWindowForTitleBarHighlight = window->RootWindowForNav = window;
if (parent_window && (flags & ImGuiWindowFlags_ChildWindow) && !(flags & ImGuiWindowFlags_Tooltip))
window->RootWindow = parent_window->RootWindow;
if (parent_window && (flags & ImGuiWindowFlags_Popup))
window->RootWindowPopupTree = parent_window->RootWindowPopupTree;
if (parent_window && !(flags & ImGuiWindowFlags_Modal) && (flags & (ImGuiWindowFlags_ChildWindow | ImGuiWindowFlags_Popup)))
window->RootWindowForTitleBarHighlight = parent_window->RootWindowForTitleBarHighlight;
while (window->RootWindowForNav->Flags & ImGuiWindowFlags_NavFlattened)
@ -6726,14 +6728,25 @@ void ImGui::PopTextWrapPos()
window->DC.TextWrapPosStack.pop_back();
}
bool ImGui::IsWindowChildOf(ImGuiWindow* window, ImGuiWindow* potential_parent)
static ImGuiWindow* GetCombinedRootWindow(ImGuiWindow* window, bool popup_hierarchy)
{
if (window->RootWindow == potential_parent)
window = window->RootWindow;
if (popup_hierarchy)
window = window->RootWindowPopupTree;
return window;
}
bool ImGui::IsWindowChildOf(ImGuiWindow* window, ImGuiWindow* potential_parent, bool popup_hierarchy)
{
ImGuiWindow* window_root = GetCombinedRootWindow(window, popup_hierarchy);
if (window_root == potential_parent)
return true;
while (window != NULL)
{
if (window == potential_parent)
return true;
if (window == window_root) // end of chain
return false;
window = window->ParentWindow;
}
return false;
@ -6765,13 +6778,13 @@ bool ImGui::IsWindowHovered(ImGuiHoveredFlags flags)
if ((flags & ImGuiHoveredFlags_AnyWindow) == 0)
{
IM_ASSERT(cur_window); // Not inside a Begin()/End()
const bool popup_hierarchy = (flags & ImGuiHoveredFlags_NoPopupHierarchy) == 0;
if (flags & ImGuiHoveredFlags_RootWindow)
cur_window = cur_window->RootWindow;
cur_window = GetCombinedRootWindow(cur_window, popup_hierarchy);
bool result;
if (flags & ImGuiHoveredFlags_ChildWindows)
result = IsWindowChildOf(ref_window, cur_window);
result = IsWindowChildOf(ref_window, cur_window, popup_hierarchy);
else
result = (ref_window == cur_window);
if (!result)
@ -6798,11 +6811,12 @@ bool ImGui::IsWindowFocused(ImGuiFocusedFlags flags)
return true;
IM_ASSERT(cur_window); // Not inside a Begin()/End()
const bool popup_hierarchy = (flags & ImGuiFocusedFlags_NoPopupHierarchy) == 0;
if (flags & ImGuiHoveredFlags_RootWindow)
cur_window = cur_window->RootWindow;
cur_window = GetCombinedRootWindow(cur_window, popup_hierarchy);
if (flags & ImGuiHoveredFlags_ChildWindows)
return IsWindowChildOf(ref_window, cur_window);
return IsWindowChildOf(ref_window, cur_window, popup_hierarchy);
else
return (ref_window == cur_window);
}

16
imgui.h
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@ -1267,7 +1267,8 @@ enum ImGuiFocusedFlags_
ImGuiFocusedFlags_ChildWindows = 1 << 0, // Return true if any children of the window is focused
ImGuiFocusedFlags_RootWindow = 1 << 1, // Test from root window (top most parent of the current hierarchy)
ImGuiFocusedFlags_AnyWindow = 1 << 2, // Return true if any window is focused. Important: If you are trying to tell how to dispatch your low-level inputs, do NOT use this. Use 'io.WantCaptureMouse' instead! Please read the FAQ!
//ImGuiFocusedFlags_DockHierarchy = 1 << 3, // Consider docking hierarchy (treat dockspace host as parent of docked window)
ImGuiFocusedFlags_NoPopupHierarchy = 1 << 3, // Do not consider popup hierarchy (do not treat popup emitter as parent of popup) (when used with _ChildWindows or _RootWindow)
//ImGuiFocusedFlags_DockHierarchy = 1 << 4, // Consider docking hierarchy (treat dockspace host as parent of docked window) (when used with _ChildWindows or _RootWindow)
ImGuiFocusedFlags_RootAndChildWindows = ImGuiFocusedFlags_RootWindow | ImGuiFocusedFlags_ChildWindows
};
@ -1280,12 +1281,13 @@ enum ImGuiHoveredFlags_
ImGuiHoveredFlags_ChildWindows = 1 << 0, // IsWindowHovered() only: Return true if any children of the window is hovered
ImGuiHoveredFlags_RootWindow = 1 << 1, // IsWindowHovered() only: Test from root window (top most parent of the current hierarchy)
ImGuiHoveredFlags_AnyWindow = 1 << 2, // IsWindowHovered() only: Return true if any window is hovered
//ImGuiHoveredFlags_DockHierarchy = 1 << 3, // IsWindowHovered() only: Consider docking hierarchy (treat dockspace host as parent of docked window)
ImGuiHoveredFlags_AllowWhenBlockedByPopup = 1 << 4, // Return true even if a popup window is normally blocking access to this item/window
//ImGuiHoveredFlags_AllowWhenBlockedByModal = 1 << 4, // Return true even if a modal popup window is normally blocking access to this item/window. FIXME-TODO: Unavailable yet.
ImGuiHoveredFlags_AllowWhenBlockedByActiveItem = 1 << 5, // Return true even if an active item is blocking access to this item/window. Useful for Drag and Drop patterns.
ImGuiHoveredFlags_AllowWhenOverlapped = 1 << 6, // Return true even if the position is obstructed or overlapped by another window
ImGuiHoveredFlags_AllowWhenDisabled = 1 << 7, // Return true even if the item is disabled
ImGuiHoveredFlags_NoPopupHierarchy = 1 << 3, // IsWindowHovered() only: Do not consider popup hierarchy (do not treat popup emitter as parent of popup) (when used with _ChildWindows or _RootWindow)
//ImGuiHoveredFlags_DockHierarchy = 1 << 4, // IsWindowHovered() only: Consider docking hierarchy (treat dockspace host as parent of docked window) (when used with _ChildWindows or _RootWindow)
ImGuiHoveredFlags_AllowWhenBlockedByPopup = 1 << 5, // Return true even if a popup window is normally blocking access to this item/window
//ImGuiHoveredFlags_AllowWhenBlockedByModal = 1 << 6, // Return true even if a modal popup window is normally blocking access to this item/window. FIXME-TODO: Unavailable yet.
ImGuiHoveredFlags_AllowWhenBlockedByActiveItem = 1 << 7, // Return true even if an active item is blocking access to this item/window. Useful for Drag and Drop patterns.
ImGuiHoveredFlags_AllowWhenOverlapped = 1 << 8, // Return true even if the position is obstructed or overlapped by another window
ImGuiHoveredFlags_AllowWhenDisabled = 1 << 9, // Return true even if the item is disabled
ImGuiHoveredFlags_RectOnly = ImGuiHoveredFlags_AllowWhenBlockedByPopup | ImGuiHoveredFlags_AllowWhenBlockedByActiveItem | ImGuiHoveredFlags_AllowWhenOverlapped,
ImGuiHoveredFlags_RootAndChildWindows = ImGuiHoveredFlags_RootWindow | ImGuiHoveredFlags_ChildWindows
};

35
imgui_demo.cpp
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@ -2186,7 +2186,7 @@ static void ShowDemoWindowWidgets()
ImGui::TreePop();
}
if (ImGui::TreeNode("Querying Status (Edited/Active/Hovered etc.)"))
if (ImGui::TreeNode("Querying Item Status (Edited/Active/Hovered etc.)"))
{
// Select an item type
const char* item_names[] =
@ -2272,43 +2272,63 @@ static void ShowDemoWindowWidgets()
if (item_disabled)
ImGui::EndDisabled();
char buf[1] = "";
ImGui::InputText("unused", buf, IM_ARRAYSIZE(buf), ImGuiInputTextFlags_ReadOnly);
ImGui::SameLine();
HelpMarker("This widget is only here to be able to tab-out of the widgets above and see e.g. Deactivated() status.");
ImGui::TreePop();
}
if (ImGui::TreeNode("Querying Window Status (Focused/Hovered etc.)"))
{
static bool embed_all_inside_a_child_window = false;
ImGui::Checkbox("Embed everything inside a child window (for additional testing)", &embed_all_inside_a_child_window);
ImGui::Checkbox("Embed everything inside a child window for testing _RootWindow flag.", &embed_all_inside_a_child_window);
if (embed_all_inside_a_child_window)
ImGui::BeginChild("outer_child", ImVec2(0, ImGui::GetFontSize() * 20.0f), true);
// Testing IsWindowFocused() function with its various flags.
// Note that the ImGuiFocusedFlags_XXX flags can be combined.
ImGui::BulletText(
"IsWindowFocused() = %d\n"
"IsWindowFocused(_ChildWindows) = %d\n"
"IsWindowFocused(_ChildWindows|_NoPopupHierarchy) = %d\n"
"IsWindowFocused(_ChildWindows|_RootWindow) = %d\n"
"IsWindowFocused(_ChildWindows|_RootWindow|_NoPopupHierarchy) = %d\n"
"IsWindowFocused(_RootWindow) = %d\n"
"IsWindowFocused(_RootWindow|_NoPopupHierarchy) = %d\n"
"IsWindowFocused(_AnyWindow) = %d\n",
ImGui::IsWindowFocused(),
ImGui::IsWindowFocused(ImGuiFocusedFlags_ChildWindows),
ImGui::IsWindowFocused(ImGuiFocusedFlags_ChildWindows | ImGuiFocusedFlags_NoPopupHierarchy),
ImGui::IsWindowFocused(ImGuiFocusedFlags_ChildWindows | ImGuiFocusedFlags_RootWindow),
ImGui::IsWindowFocused(ImGuiFocusedFlags_ChildWindows | ImGuiFocusedFlags_RootWindow | ImGuiFocusedFlags_NoPopupHierarchy),
ImGui::IsWindowFocused(ImGuiFocusedFlags_RootWindow),
ImGui::IsWindowFocused(ImGuiFocusedFlags_RootWindow | ImGuiFocusedFlags_NoPopupHierarchy),
ImGui::IsWindowFocused(ImGuiFocusedFlags_AnyWindow));
// Testing IsWindowHovered() function with its various flags.
// Note that the ImGuiHoveredFlags_XXX flags can be combined.
ImGui::BulletText(
"IsWindowHovered() = %d\n"
"IsWindowHovered(_AllowWhenBlockedByPopup) = %d\n"
"IsWindowHovered(_AllowWhenBlockedByActiveItem) = %d\n"
"IsWindowHovered(_ChildWindows) = %d\n"
"IsWindowHovered(_ChildWindows|_NoPopupHierarchy) = %d\n"
"IsWindowHovered(_ChildWindows|_RootWindow) = %d\n"
"IsWindowHovered(_ChildWindows|_AllowWhenBlockedByPopup) = %d\n"
"IsWindowHovered(_ChildWindows|_RootWindow|_NoPopupHierarchy) = %d\n"
"IsWindowHovered(_RootWindow) = %d\n"
"IsWindowHovered(_RootWindow|_NoPopupHierarchy) = %d\n"
"IsWindowHovered(_ChildWindows|_AllowWhenBlockedByPopup) = %d\n"
"IsWindowHovered(_AnyWindow) = %d\n",
ImGui::IsWindowHovered(),
ImGui::IsWindowHovered(ImGuiHoveredFlags_AllowWhenBlockedByPopup),
ImGui::IsWindowHovered(ImGuiHoveredFlags_AllowWhenBlockedByActiveItem),
ImGui::IsWindowHovered(ImGuiHoveredFlags_ChildWindows),
ImGui::IsWindowHovered(ImGuiHoveredFlags_ChildWindows | ImGuiHoveredFlags_NoPopupHierarchy),
ImGui::IsWindowHovered(ImGuiHoveredFlags_ChildWindows | ImGuiHoveredFlags_RootWindow),
ImGui::IsWindowHovered(ImGuiHoveredFlags_ChildWindows | ImGuiHoveredFlags_AllowWhenBlockedByPopup),
ImGui::IsWindowHovered(ImGuiHoveredFlags_ChildWindows | ImGuiHoveredFlags_RootWindow | ImGuiHoveredFlags_NoPopupHierarchy),
ImGui::IsWindowHovered(ImGuiHoveredFlags_RootWindow),
ImGui::IsWindowHovered(ImGuiHoveredFlags_RootWindow | ImGuiHoveredFlags_NoPopupHierarchy),
ImGui::IsWindowHovered(ImGuiHoveredFlags_ChildWindows | ImGuiHoveredFlags_AllowWhenBlockedByPopup),
ImGui::IsWindowHovered(ImGuiHoveredFlags_AnyWindow));
ImGui::BeginChild("child", ImVec2(0, 50), true);
@ -2317,9 +2337,6 @@ static void ShowDemoWindowWidgets()
if (embed_all_inside_a_child_window)
ImGui::EndChild();
static char unused_str[] = "This widget is only here to be able to tab-out of the widgets above.";
ImGui::InputText("unused", unused_str, IM_ARRAYSIZE(unused_str), ImGuiInputTextFlags_ReadOnly);
// Calling IsItemHovered() after begin returns the hovered status of the title bar.
// This is useful in particular if you want to create a context menu associated to the title bar of a window.
static bool test_window = false;

7
imgui_internal.h
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@ -1950,8 +1950,9 @@ struct IMGUI_API ImGuiWindow
ImDrawList* DrawList; // == &DrawListInst (for backward compatibility reason with code using imgui_internal.h we keep this a pointer)
ImDrawList DrawListInst;
ImGuiWindow* ParentWindow; // If we are a child _or_ popup window, this is pointing to our parent. Otherwise NULL.
ImGuiWindow* RootWindow; // Point to ourself or first ancestor that is not a child window == Top-level window.
ImGuiWindow* ParentWindow; // If we are a child _or_ popup _or_ docked window, this is pointing to our parent. Otherwise NULL.
ImGuiWindow* RootWindow; // Point to ourself or first ancestor that is not a child window. Doesn't cross through popups/dock nodes.
ImGuiWindow* RootWindowPopupTree; // Point to ourself or first ancestor that is not a child window. Cross through popups parent<>child.
ImGuiWindow* RootWindowForTitleBarHighlight; // Point to ourself or first ancestor which will display TitleBgActive color when this window is active.
ImGuiWindow* RootWindowForNav; // Point to ourself or first ancestor which doesn't have the NavFlattened flag.
@ -2337,7 +2338,7 @@ namespace ImGui
IMGUI_API ImGuiWindow* FindWindowByName(const char* name);
IMGUI_API void UpdateWindowParentAndRootLinks(ImGuiWindow* window, ImGuiWindowFlags flags, ImGuiWindow* parent_window);
IMGUI_API ImVec2 CalcWindowNextAutoFitSize(ImGuiWindow* window);
IMGUI_API bool IsWindowChildOf(ImGuiWindow* window, ImGuiWindow* potential_parent);
IMGUI_API bool IsWindowChildOf(ImGuiWindow* window, ImGuiWindow* potential_parent, bool popup_hierarchy);
IMGUI_API bool IsWindowAbove(ImGuiWindow* potential_above, ImGuiWindow* potential_below);
IMGUI_API bool IsWindowNavFocusable(ImGuiWindow* window);
IMGUI_API void SetWindowPos(ImGuiWindow* window, const ImVec2& pos, ImGuiCond cond = 0);