Internals: removed HoveredRootWindow, tweak IsWindowHovered().

This commit is contained in:
ocornut 2021-03-05 15:56:59 +01:00
parent f5bc5e8630
commit fdebb2e093
3 changed files with 14 additions and 19 deletions

View File

@ -3557,7 +3557,7 @@ void ImGui::UpdateMouseMovingWindowEndFrame()
{ {
// Handle the edge case of a popup being closed while clicking in its empty space. // Handle the edge case of a popup being closed while clicking in its empty space.
// If we try to focus it, FocusWindow() > ClosePopupsOverWindow() will accidentally close any parent popups because they are not linked together any more. // If we try to focus it, FocusWindow() > ClosePopupsOverWindow() will accidentally close any parent popups because they are not linked together any more.
ImGuiWindow* root_window = g.HoveredRootWindow; ImGuiWindow* root_window = g.HoveredWindow ? g.HoveredWindow->RootWindow : NULL;
const bool is_closed_popup = root_window && (root_window->Flags & ImGuiWindowFlags_Popup) && !IsPopupOpen(root_window->PopupId, ImGuiPopupFlags_AnyPopupLevel); const bool is_closed_popup = root_window && (root_window->Flags & ImGuiWindowFlags_Popup) && !IsPopupOpen(root_window->PopupId, ImGuiPopupFlags_AnyPopupLevel);
if (root_window != NULL && !is_closed_popup) if (root_window != NULL && !is_closed_popup)
@ -3794,7 +3794,7 @@ void ImGui::UpdateHoveredWindowAndCaptureFlags()
// Modal windows prevents mouse from hovering behind them. // Modal windows prevents mouse from hovering behind them.
ImGuiWindow* modal_window = GetTopMostPopupModal(); ImGuiWindow* modal_window = GetTopMostPopupModal();
if (modal_window && g.HoveredRootWindow && !IsWindowChildOf(g.HoveredRootWindow, modal_window)) if (modal_window && g.HoveredWindow && !IsWindowChildOf(g.HoveredWindow->RootWindow, modal_window))
clear_hovered_windows = true; clear_hovered_windows = true;
// Disabled mouse? // Disabled mouse?
@ -3822,7 +3822,7 @@ void ImGui::UpdateHoveredWindowAndCaptureFlags()
clear_hovered_windows = true; clear_hovered_windows = true;
if (clear_hovered_windows) if (clear_hovered_windows)
g.HoveredWindow = g.HoveredRootWindow = g.HoveredWindowUnderMovingWindow = NULL; g.HoveredWindow = g.HoveredWindowUnderMovingWindow = NULL;
// Update io.WantCaptureMouse for the user application (true = dispatch mouse info to imgui, false = dispatch mouse info to Dear ImGui + app) // Update io.WantCaptureMouse for the user application (true = dispatch mouse info to imgui, false = dispatch mouse info to Dear ImGui + app)
if (g.WantCaptureMouseNextFrame != -1) if (g.WantCaptureMouseNextFrame != -1)
@ -4146,7 +4146,7 @@ void ImGui::Shutdown(ImGuiContext* context)
g.CurrentWindowStack.clear(); g.CurrentWindowStack.clear();
g.WindowsById.Clear(); g.WindowsById.Clear();
g.NavWindow = NULL; g.NavWindow = NULL;
g.HoveredWindow = g.HoveredRootWindow = g.HoveredWindowUnderMovingWindow = NULL; g.HoveredWindow = g.HoveredWindowUnderMovingWindow = NULL;
g.ActiveIdWindow = g.ActiveIdPreviousFrameWindow = NULL; g.ActiveIdWindow = g.ActiveIdPreviousFrameWindow = NULL;
g.MovingWindow = NULL; g.MovingWindow = NULL;
g.ColorStack.clear(); g.ColorStack.clear();
@ -4550,7 +4550,6 @@ static void FindHoveredWindow()
} }
g.HoveredWindow = hovered_window; g.HoveredWindow = hovered_window;
g.HoveredRootWindow = g.HoveredWindow ? g.HoveredWindow->RootWindow : NULL;
g.HoveredWindowUnderMovingWindow = hovered_window_ignoring_moving_window; g.HoveredWindowUnderMovingWindow = hovered_window_ignoring_moving_window;
} }
@ -6560,30 +6559,28 @@ bool ImGui::IsWindowHovered(ImGuiHoveredFlags flags)
{ {
IM_ASSERT((flags & ImGuiHoveredFlags_AllowWhenOverlapped) == 0); // Flags not supported by this function IM_ASSERT((flags & ImGuiHoveredFlags_AllowWhenOverlapped) == 0); // Flags not supported by this function
ImGuiContext& g = *GImGui; ImGuiContext& g = *GImGui;
if (g.HoveredWindow == NULL)
return false;
if (flags & ImGuiHoveredFlags_AnyWindow) if ((flags & ImGuiHoveredFlags_AnyWindow) == 0)
{
if (g.HoveredWindow == NULL)
return false;
}
else
{ {
ImGuiWindow* window = g.CurrentWindow;
switch (flags & (ImGuiHoveredFlags_RootWindow | ImGuiHoveredFlags_ChildWindows)) switch (flags & (ImGuiHoveredFlags_RootWindow | ImGuiHoveredFlags_ChildWindows))
{ {
case ImGuiHoveredFlags_RootWindow | ImGuiHoveredFlags_ChildWindows: case ImGuiHoveredFlags_RootWindow | ImGuiHoveredFlags_ChildWindows:
if (g.HoveredRootWindow != g.CurrentWindow->RootWindow) if (g.HoveredWindow->RootWindow != window->RootWindow)
return false; return false;
break; break;
case ImGuiHoveredFlags_RootWindow: case ImGuiHoveredFlags_RootWindow:
if (g.HoveredWindow != g.CurrentWindow->RootWindow) if (g.HoveredWindow != window->RootWindow)
return false; return false;
break; break;
case ImGuiHoveredFlags_ChildWindows: case ImGuiHoveredFlags_ChildWindows:
if (g.HoveredWindow == NULL || !IsWindowChildOf(g.HoveredWindow, g.CurrentWindow)) if (!IsWindowChildOf(g.HoveredWindow, window))
return false; return false;
break; break;
default: default:
if (g.HoveredWindow != g.CurrentWindow) if (g.HoveredWindow != window)
return false; return false;
break; break;
} }
@ -11047,7 +11044,7 @@ void ImGui::ShowMetricsWindow(bool* p_open)
Text("WINDOWING"); Text("WINDOWING");
Indent(); Indent();
Text("HoveredWindow: '%s'", g.HoveredWindow ? g.HoveredWindow->Name : "NULL"); Text("HoveredWindow: '%s'", g.HoveredWindow ? g.HoveredWindow->Name : "NULL");
Text("HoveredRootWindow: '%s'", g.HoveredRootWindow ? g.HoveredRootWindow->Name : "NULL"); Text("HoveredWindow->Root: '%s'", g.HoveredWindow ? g.HoveredWindow->RootWindow->Name : "NULL");
Text("HoveredWindowUnderMovingWindow: '%s'", g.HoveredWindowUnderMovingWindow ? g.HoveredWindowUnderMovingWindow->Name : "NULL"); Text("HoveredWindowUnderMovingWindow: '%s'", g.HoveredWindowUnderMovingWindow ? g.HoveredWindowUnderMovingWindow->Name : "NULL");
Text("MovingWindow: '%s'", g.MovingWindow ? g.MovingWindow->Name : "NULL"); Text("MovingWindow: '%s'", g.MovingWindow ? g.MovingWindow->Name : "NULL");
Unindent(); Unindent();

View File

@ -1312,7 +1312,6 @@ struct ImGuiContext
int WindowsActiveCount; // Number of unique windows submitted by frame int WindowsActiveCount; // Number of unique windows submitted by frame
ImGuiWindow* CurrentWindow; // Window being drawn into ImGuiWindow* CurrentWindow; // Window being drawn into
ImGuiWindow* HoveredWindow; // Window the mouse is hovering. Will typically catch mouse inputs. ImGuiWindow* HoveredWindow; // Window the mouse is hovering. Will typically catch mouse inputs.
ImGuiWindow* HoveredRootWindow; // == HoveredWindow ? HoveredWindow->RootWindow : NULL, merely a shortcut to avoid null test in some situation.
ImGuiWindow* HoveredWindowUnderMovingWindow; // Hovered window ignoring MovingWindow. Only set if MovingWindow is set. ImGuiWindow* HoveredWindowUnderMovingWindow; // Hovered window ignoring MovingWindow. Only set if MovingWindow is set.
ImGuiWindow* MovingWindow; // Track the window we clicked on (in order to preserve focus). The actual window that is moved is generally MovingWindow->RootWindow. ImGuiWindow* MovingWindow; // Track the window we clicked on (in order to preserve focus). The actual window that is moved is generally MovingWindow->RootWindow.
ImGuiWindow* WheelingWindow; // Track the window we started mouse-wheeling on. Until a timer elapse or mouse has moved, generally keep scrolling the same window even if during the course of scrolling the mouse ends up hovering a child window. ImGuiWindow* WheelingWindow; // Track the window we started mouse-wheeling on. Until a timer elapse or mouse has moved, generally keep scrolling the same window even if during the course of scrolling the mouse ends up hovering a child window.
@ -1543,7 +1542,6 @@ struct ImGuiContext
WindowsActiveCount = 0; WindowsActiveCount = 0;
CurrentWindow = NULL; CurrentWindow = NULL;
HoveredWindow = NULL; HoveredWindow = NULL;
HoveredRootWindow = NULL;
HoveredWindowUnderMovingWindow = NULL; HoveredWindowUnderMovingWindow = NULL;
MovingWindow = NULL; MovingWindow = NULL;
WheelingWindow = NULL; WheelingWindow = NULL;

View File

@ -500,7 +500,7 @@ bool ImGui::ButtonBehavior(const ImRect& bb, ImGuiID id, bool* out_hovered, bool
flags |= ImGuiButtonFlags_PressedOnDefault_; flags |= ImGuiButtonFlags_PressedOnDefault_;
ImGuiWindow* backup_hovered_window = g.HoveredWindow; ImGuiWindow* backup_hovered_window = g.HoveredWindow;
const bool flatten_hovered_children = (flags & ImGuiButtonFlags_FlattenChildren) && g.HoveredRootWindow == window; const bool flatten_hovered_children = (flags & ImGuiButtonFlags_FlattenChildren) && g.HoveredWindow && g.HoveredWindow->RootWindow == window;
if (flatten_hovered_children) if (flatten_hovered_children)
g.HoveredWindow = window; g.HoveredWindow = window;