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IsWindowHovered(): split ImGuiHoveredFlags_FlattenChild into separate ChildWindows and RootWindow flags. Allowing more combination and a better symetry with IsWindowFocused() flags. (#1382)
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185c1eaaf3
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4a555d35f0
35
imgui.cpp
35
imgui.cpp
@ -221,7 +221,7 @@
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- 2017/11/18 (1.53) - Style: removed ImGuiCol_ComboBg in favor of combo boxes using ImGuiCol_PopupBg for consistency.
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- 2017/11/18 (1.53) - Style: renamed ImGuiCol_ChildWindowBg to ImGuiCol_ChildBg.
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- 2017/11/18 (1.53) - Style: renamed style.ChildWindowRounding to style.ChildRounding, ImGuiStyleVar_ChildWindowRounding to ImGuiStyleVar_ChildRounding.
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- 2017/11/02 (1.53) - marked IsRootWindowOrAnyChildHovered() as obsolete is favor of using IsWindowHovered(ImGuiHoveredFlags_FlattenChilds);
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- 2017/11/02 (1.53) - marked IsRootWindowOrAnyChildHovered() as obsolete is favor of using IsWindowHovered(ImGuiHoveredFlags_RootWindow | ImGuiHoveredFlags_ChildWindows);
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- 2017/10/24 (1.52) - renamed IMGUI_DISABLE_WIN32_DEFAULT_CLIPBOARD_FUNCS/IMGUI_DISABLE_WIN32_DEFAULT_IME_FUNCS to IMGUI_DISABLE_WIN32_DEFAULT_CLIPBOARD_FUNCTIONS/IMGUI_DISABLE_WIN32_DEFAULT_IME_FUNCTIONS for consistency.
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- 2017/10/20 (1.52) - changed IsWindowHovered() default parameters behavior to return false if an item is active in another window (e.g. click-dragging item from another window to this window). You can use the newly introduced IsWindowHovered() flags to requests this specific behavior if you need it.
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- 2017/10/20 (1.52) - marked IsItemHoveredRect()/IsMouseHoveringWindow() as obsolete, in favor of using the newly introduced flags for IsItemHovered() and IsWindowHovered(). See https://github.com/ocornut/imgui/issues/1382 for details.
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@ -2032,7 +2032,7 @@ bool ImGui::IsItemHovered(ImGuiHoveredFlags flags)
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// Test for bounding box overlap, as updated as ItemAdd()
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if (!window->DC.LastItemRectHoveredRect)
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return false;
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IM_ASSERT((flags & ImGuiHoveredFlags_FlattenChilds) == 0); // Flags not supported by this function
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IM_ASSERT((flags & (ImGuiHoveredFlags_RootWindow | ImGuiHoveredFlags_ChildWindows)) == 0); // Flags not supported by this function
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// Test if we are hovering the right window (our window could be behind another window)
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// [2017/10/16] Reverted commit 344d48be3 and testing RootWindow instead. I believe it is correct to NOT test for RootWindow but this leaves us unable to use IsItemHovered() after EndChild() itself.
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@ -5440,20 +5440,43 @@ const char* ImGui::GetStyleColorName(ImGuiCol idx)
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return "Unknown";
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}
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bool ImGui::IsWindowChildOf(ImGuiWindow* window, ImGuiWindow* potential_parent)
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{
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if (window->RootWindow == potential_parent)
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return true;
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while (window != NULL)
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{
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if (window == potential_parent)
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return true;
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window = window->ParentWindow;
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}
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return false;
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}
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bool ImGui::IsWindowHovered(ImGuiHoveredFlags flags)
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{
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IM_ASSERT((flags & ImGuiHoveredFlags_AllowWhenOverlapped) == 0); // Flags not supported by this function
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ImGuiContext& g = *GImGui;
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if (flags & ImGuiHoveredFlags_FlattenChilds)
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switch (flags & (ImGuiHoveredFlags_RootWindow | ImGuiHoveredFlags_ChildWindows))
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{
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case ImGuiHoveredFlags_RootWindow | ImGuiHoveredFlags_ChildWindows:
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if (g.HoveredRootWindow != g.CurrentWindow->RootWindow)
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return false;
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}
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else
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{
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break;
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case ImGuiHoveredFlags_RootWindow:
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if (g.HoveredWindow != g.CurrentWindow->RootWindow)
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return false;
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break;
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case ImGuiHoveredFlags_ChildWindows:
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if (g.HoveredWindow == NULL || !IsWindowChildOf(g.HoveredWindow, g.CurrentWindow))
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return false;
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break;
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default:
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if (g.HoveredWindow != g.CurrentWindow)
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return false;
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break;
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}
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if (!IsWindowContentHoverable(g.HoveredRootWindow, flags))
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return false;
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if (!(flags & ImGuiHoveredFlags_AllowWhenBlockedByActiveItem))
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7
imgui.h
7
imgui.h
@ -607,7 +607,8 @@ enum ImGuiHoveredFlags_
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//ImGuiHoveredFlags_AllowWhenBlockedByModal = 1 << 1, // Return true even if a modal popup window is normally blocking access to this item/window. FIXME-TODO: Unavailable yet.
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ImGuiHoveredFlags_AllowWhenBlockedByActiveItem = 1 << 2, // Return true even if an active item is blocking access to this item/window
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ImGuiHoveredFlags_AllowWhenOverlapped = 1 << 3, // Return true even if the position is overlapped by another window
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ImGuiHoveredFlags_FlattenChilds = 1 << 4, // Treat all child windows as the same window (for IsWindowHovered())
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ImGuiHoveredFlags_ChildWindows = 1 << 4, // IsWindowHovered() only: Return true if any children of the window is hovered
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ImGuiHoveredFlags_RootWindow = 1 << 5, // IsWindowHovered() only: Test from root window (top most parent of the current hierarchy)
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ImGuiHoveredFlags_RectOnly = ImGuiHoveredFlags_AllowWhenBlockedByPopup | ImGuiHoveredFlags_AllowWhenBlockedByActiveItem | ImGuiHoveredFlags_AllowWhenOverlapped
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};
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@ -937,8 +938,8 @@ struct ImGuiIO
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#ifndef IMGUI_DISABLE_OBSOLETE_FUNCTIONS
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namespace ImGui
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{
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static inline void SetNextWindowContentWidth(float width) { ImGui::SetNextWindowContentSize(ImVec2(width, 0.0f)); } // OBSOLETE 1.53+ (nb: original version preserved last Y value set by SetNextWindowContentSize())
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static inline bool IsRootWindowOrAnyChildHovered(ImGuiHoveredFlags flags = 0) { return IsItemHovered(flags | ImGuiHoveredFlags_FlattenChilds); } // OBSOLETE 1.53+ use flags directly
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static inline void SetNextWindowContentWidth(float width) { SetNextWindowContentSize(ImVec2(width, 0.0f)); } // OBSOLETE 1.53+ (nb: original version preserved last Y value set by SetNextWindowContentSize())
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static inline bool IsRootWindowOrAnyChildHovered(ImGuiHoveredFlags flags = 0) { return IsItemHovered(flags | ImGuiHoveredFlags_RootWindow | ImGuiHoveredFlags_ChildWindows); } // OBSOLETE 1.53+ use flags directly
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bool Begin(const char* name, bool* p_open, const ImVec2& size_on_first_use, float bg_alpha_override = -1.0f, ImGuiWindowFlags flags = 0); // OBSOLETE 1.52+. use SetNextWindowSize() instead if you want to set a window size.
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static inline void AlignFirstTextHeightToWidgets() { AlignTextToFramePadding(); } // OBSOLETE 1.52+
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static inline void SetNextWindowPosCenter(ImGuiCond cond = 0) { SetNextWindowPos(ImVec2(GetIO().DisplaySize.x * 0.5f, GetIO().DisplaySize.y * 0.5f), cond, ImVec2(0.5f, 0.5f)); } // OBSOLETE 1.52+
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@ -1788,11 +1788,15 @@ void ImGui::ShowTestWindow(bool* p_open)
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"IsWindowHovered() = %d\n"
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"IsWindowHovered(_AllowWhenBlockedByPopup) = %d\n"
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"IsWindowHovered(_AllowWhenBlockedByActiveItem) = %d\n"
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"IsWindowHovered(_FlattenChilds) = %d\n",
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"IsWindowHovered(_ChildWindows) = %d\n"
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"IsWindowHovered(_ChildWindows|_RootWindow) = %d\n"
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"IsWindowHovered(_RootWindow) = %d\n",
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ImGui::IsWindowHovered(),
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ImGui::IsWindowHovered(ImGuiHoveredFlags_AllowWhenBlockedByPopup),
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ImGui::IsWindowHovered(ImGuiHoveredFlags_AllowWhenBlockedByActiveItem),
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ImGui::IsWindowHovered(ImGuiHoveredFlags_FlattenChilds));
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ImGui::IsWindowHovered(ImGuiHoveredFlags_ChildWindows),
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ImGui::IsWindowHovered(ImGuiHoveredFlags_ChildWindows | ImGuiHoveredFlags_RootWindow),
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ImGui::IsWindowHovered(ImGuiHoveredFlags_RootWindow));
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// Testing IsItemHovered() function (because BulletText is an item itself and that would affect the output of IsItemHovered, we pass all lines in a single items to shorten the code)
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ImGui::Button("ITEM");
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@ -1808,6 +1812,10 @@ void ImGui::ShowTestWindow(bool* p_open)
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ImGui::IsItemHovered(ImGuiHoveredFlags_AllowWhenOverlapped),
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ImGui::IsItemHovered(ImGuiHoveredFlags_RectOnly));
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ImGui::BeginChild("child", ImVec2(0,50), true);
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ImGui::Text("This is a child window for testing IsWindowHovered() flags.");
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ImGui::EndChild();
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ImGui::TreePop();
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}
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@ -804,6 +804,7 @@ namespace ImGui
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IMGUI_API void FocusWindow(ImGuiWindow* window);
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IMGUI_API void BringWindowToFront(ImGuiWindow* window);
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IMGUI_API void BringWindowToBack(ImGuiWindow* window);
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IMGUI_API bool IsWindowChildOf(ImGuiWindow* window, ImGuiWindow* potential_parent);
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IMGUI_API void Initialize();
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