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Internals: refactored IsWindowHovered()/IsWindowFocused() to make their logic more similar + change underlying value of ImGuiHoveredFlags_AllowWhenBlockedByPopup + comment out docking only flags.

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ocornut 2021-09-08 15:05:27 +02:00
parent d9b427cce0
commit 321b84f01f
2 changed files with 36 additions and 40 deletions
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66
imgui.cpp
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@ -6740,37 +6740,31 @@ bool ImGui::IsWindowHovered(ImGuiHoveredFlags flags)
{
IM_ASSERT((flags & ImGuiHoveredFlags_AllowWhenOverlapped) == 0); // Flags not supported by this function
ImGuiContext& g = *GImGui;
if (g.HoveredWindow == NULL)
ImGuiWindow* ref_window = g.HoveredWindow;
ImGuiWindow* cur_window = g.CurrentWindow;
if (ref_window == NULL)
return false;
if ((flags & ImGuiHoveredFlags_AnyWindow) == 0)
{
ImGuiWindow* window = g.CurrentWindow;
switch (flags & (ImGuiHoveredFlags_RootWindow | ImGuiHoveredFlags_ChildWindows))
{
case ImGuiHoveredFlags_RootWindow | ImGuiHoveredFlags_ChildWindows:
if (g.HoveredWindow->RootWindow != window->RootWindow)
return false;
break;
case ImGuiHoveredFlags_RootWindow:
if (g.HoveredWindow != window->RootWindow)
return false;
break;
case ImGuiHoveredFlags_ChildWindows:
if (!IsWindowChildOf(g.HoveredWindow, window))
return false;
break;
default:
if (g.HoveredWindow != window)
return false;
break;
}
IM_ASSERT(cur_window); // Not inside a Begin()/End()
if (flags & ImGuiHoveredFlags_RootWindow)
cur_window = cur_window->RootWindow;
bool result;
if (flags & ImGuiHoveredFlags_ChildWindows)
result = IsWindowChildOf(ref_window, cur_window);
else
result = (ref_window == cur_window);
if (!result)
return false;
}
if (!IsWindowContentHoverable(g.HoveredWindow, flags))
if (!IsWindowContentHoverable(ref_window, flags))
return false;
if (!(flags & ImGuiHoveredFlags_AllowWhenBlockedByActiveItem))
if (g.ActiveId != 0 && !g.ActiveIdAllowOverlap && g.ActiveId != g.HoveredWindow->MoveId)
if (g.ActiveId != 0 && !g.ActiveIdAllowOverlap && g.ActiveId != ref_window->MoveId)
return false;
return true;
}
@ -6778,22 +6772,22 @@ bool ImGui::IsWindowHovered(ImGuiHoveredFlags flags)
bool ImGui::IsWindowFocused(ImGuiFocusedFlags flags)
{
ImGuiContext& g = *GImGui;
ImGuiWindow* ref_window = g.NavWindow;
ImGuiWindow* cur_window = g.CurrentWindow;
if (ref_window == NULL)
return false;
if (flags & ImGuiFocusedFlags_AnyWindow)
return g.NavWindow != NULL;
return true;
IM_ASSERT(cur_window); // Not inside a Begin()/End()
IM_ASSERT(g.CurrentWindow); // Not inside a Begin()/End()
switch (flags & (ImGuiFocusedFlags_RootWindow | ImGuiFocusedFlags_ChildWindows))
{
case ImGuiFocusedFlags_RootWindow | ImGuiFocusedFlags_ChildWindows:
return g.NavWindow && g.NavWindow->RootWindow == g.CurrentWindow->RootWindow;
case ImGuiFocusedFlags_RootWindow:
return g.NavWindow == g.CurrentWindow->RootWindow;
case ImGuiFocusedFlags_ChildWindows:
return g.NavWindow && IsWindowChildOf(g.NavWindow, g.CurrentWindow);
default:
return g.NavWindow == g.CurrentWindow;
}
if (flags & ImGuiHoveredFlags_RootWindow)
cur_window = cur_window->RootWindow;
if (flags & ImGuiHoveredFlags_ChildWindows)
return IsWindowChildOf(ref_window, cur_window);
else
return (ref_window == cur_window);
}
// Can we focus this window with CTRL+TAB (or PadMenu + PadFocusPrev/PadFocusNext)

10
imgui.h
View File

@ -1264,9 +1264,10 @@ enum ImGuiTableBgTarget_
enum ImGuiFocusedFlags_
{
ImGuiFocusedFlags_None = 0,
ImGuiFocusedFlags_ChildWindows = 1 << 0, // IsWindowFocused(): Return true if any children of the window is focused
ImGuiFocusedFlags_RootWindow = 1 << 1, // IsWindowFocused(): Test from root window (top most parent of the current hierarchy)
ImGuiFocusedFlags_AnyWindow = 1 << 2, // IsWindowFocused(): 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_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_RootAndChildWindows = ImGuiFocusedFlags_RootWindow | ImGuiFocusedFlags_ChildWindows
};
@ -1279,7 +1280,8 @@ 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_AllowWhenBlockedByPopup = 1 << 3, // Return true even if a popup window is normally blocking access to this item/window
//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