Drezil/imgui
1
0
Fork 0
mirror of https://github.com/Drezil/imgui.git synced 2024-11-22 11:57:00 +00:00
Code Issues Packages Projects Releases Wiki Activity

Various comments

Browse Source 
As it turns out, functions like IsItemHovered() won't work on an open BeginMenu() because LastItemData is overriden by BeginPopup(). Probably an easy fix.
This commit is contained in:
ocornut 2022-09-29 17:26:52 +02:00
parent e74a50f525
commit d5d705069d
3 changed files with 19 additions and 9 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
imgui.cpp
View File

@ -3584,6 +3584,7 @@ bool ImGui::IsItemHovered(ImGuiHoveredFlags flags)
return false;
IM_ASSERT((flags & (ImGuiHoveredFlags_AnyWindow | ImGuiHoveredFlags_RootWindow | ImGuiHoveredFlags_ChildWindows | ImGuiHoveredFlags_NoPopupHierarchy)) == 0); // Flags not supported by this function
// Done with rectangle culling so we can perform heavier checks now
// Test if we are hovering the right window (our window could be behind another window)
// [2021/03/02] Reworked / reverted the revert, finally. Note we want e.g. BeginGroup/ItemAdd/EndGroup to work as well. (#3851)
// [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
@ -3648,6 +3649,8 @@ bool ImGui::ItemHoverable(const ImRect& bb, ImGuiID id)
return false;
if (!IsMouseHoveringRect(bb.Min, bb.Max))
return false;
// Done with rectangle culling so we can perform heavier checks now.
if (!IsWindowContentHoverable(window, ImGuiHoveredFlags_None))
{
g.HoveredIdDisabled = true;

16
imgui_internal.h
View File

@ -149,8 +149,8 @@ typedef int ImGuiLayoutType; // -> enum ImGuiLayoutType_ // E
typedef int ImGuiActivateFlags; // -> enum ImGuiActivateFlags_ // Flags: for navigation/focus function (will be for ActivateItem() later)
typedef int ImGuiDebugLogFlags; // -> enum ImGuiDebugLogFlags_ // Flags: for ShowDebugLogWindow(), g.DebugLogFlags
typedef int ImGuiInputFlags; // -> enum ImGuiInputFlags_ // Flags: for IsKeyPressedEx()
typedef int ImGuiItemFlags; // -> enum ImGuiItemFlags_ // Flags: for PushItemFlag()
typedef int ImGuiItemStatusFlags; // -> enum ImGuiItemStatusFlags_ // Flags: for DC.LastItemStatusFlags
typedef int ImGuiItemFlags; // -> enum ImGuiItemFlags_ // Flags: for PushItemFlag(), g.LastItemData.InFlags
typedef int ImGuiItemStatusFlags; // -> enum ImGuiItemStatusFlags_ // Flags: for g.LastItemData.StatusFlags
typedef int ImGuiOldColumnFlags; // -> enum ImGuiOldColumnFlags_ // Flags: for BeginColumns()
typedef int ImGuiNavHighlightFlags; // -> enum ImGuiNavHighlightFlags_ // Flags: for RenderNavHighlight()
typedef int ImGuiNavMoveFlags; // -> enum ImGuiNavMoveFlags_ // Flags: for navigation requests
@ -758,7 +758,10 @@ struct ImDrawDataBuilder
// [SECTION] Widgets support: flags, enums, data structures
//-----------------------------------------------------------------------------
// Transient per-window flags, reset at the beginning of the frame. For child window, inherited from parent on first Begin().
// Flags used by upcoming items
// - input: PushItemFlag() manipulates g.CurrentItemFlags, ItemAdd() calls may add extra flags.
// - output: stored in g.LastItemData.InFlags
// Current window shared by all windows.
// This is going to be exposed in imgui.h when stabilized enough.
enum ImGuiItemFlags_
{
@ -774,10 +777,11 @@ enum ImGuiItemFlags_
ImGuiItemFlags_ReadOnly = 1 << 7, // false // [ALPHA] Allow hovering interactions but underlying value is not changed.
// Controlled by widget code
ImGuiItemFlags_Inputable = 1 << 8, // false // [WIP] Auto-activate input mode when tab focused. Currently only used and supported by a few items before it becomes a generic feature.
ImGuiItemFlags_Inputable = 1 << 10, // false // [WIP] Auto-activate input mode when tab focused. Currently only used and supported by a few items before it becomes a generic feature.
};
// Storage for LastItem data
// Status flags for an already submitted item
// - output: stored in g.LastItemData.StatusFlags
enum ImGuiItemStatusFlags_
{
ImGuiItemStatusFlags_None = 0,
@ -2650,7 +2654,7 @@ namespace ImGui
IMGUI_API ImVec2 GetContentRegionMaxAbs();
IMGUI_API void ShrinkWidths(ImGuiShrinkWidthItem* items, int count, float width_excess);
// Parameter stacks
// Parameter stacks (shared)
IMGUI_API void PushItemFlag(ImGuiItemFlags option, bool enabled);
IMGUI_API void PopItemFlag();

7
imgui_widgets.cpp
View File

@ -7018,6 +7018,7 @@ bool ImGui::BeginMenuEx(const char* label, const char* icon, bool enabled)
ImVec2 label_size = CalcTextSize(label, NULL, true);
// Odd hack to allow hovering across menus of a same menu-set (otherwise we wouldn't be able to hover parent without always being a Child window)
// This is only done for items for the menu set and not the full parent window.
const bool menuset_is_open = IsRootOfOpenMenuSet();
ImGuiWindow* backed_nav_window = g.NavWindow;
if (menuset_is_open)
@ -7156,7 +7157,8 @@ bool ImGui::BeginMenuEx(const char* label, const char* icon, bool enabled)
if (menu_is_open)
{
SetNextWindowPos(popup_pos, ImGuiCond_Always); // Note: this is super misleading! The value will serve as reference for FindBestWindowPosForPopup(), not actual pos.
// FIXME: This technically breaks functions relying on LastItemData, somehow nobody complained yet. Should backup/restore LastItemData.
SetNextWindowPos(popup_pos, ImGuiCond_Always); // Note: misleading: the value will serve as reference for FindBestWindowPosForPopup(), not actual pos.
PushStyleVar(ImGuiStyleVar_ChildRounding, style.PopupRounding); // First level will use _PopupRounding, subsequent will use _ChildRounding
menu_is_open = BeginPopupEx(id, flags); // menu_is_open can be 'false' when the popup is completely clipped (e.g. zero size display)
PopStyleVar();
@ -7177,7 +7179,7 @@ bool ImGui::BeginMenu(const char* label, bool enabled)
void ImGui::EndMenu()
{
// Nav: When a left move request _within our child menu_ failed, close ourselves (the _parent_ menu).
// A menu doesn't close itself because EndMenuBar() wants the catch the last Left<>Right inputs.
// A menu doesn't close itself because EndMenuBar() wants to catch the last Left<>Right inputs.
// However, it means that with the current code, a BeginMenu() from outside another menu or a menu-bar won't be closable with the Left direction.
// FIXME: This doesn't work if the parent BeginMenu() is not on a menu.
ImGuiContext& g = *GImGui;
@ -7203,6 +7205,7 @@ bool ImGui::MenuItemEx(const char* label, const char* icon, const char* shortcut
ImVec2 pos = window->DC.CursorPos;
ImVec2 label_size = CalcTextSize(label, NULL, true);
// See BeginMenuEx() for comments about this.
const bool menuset_is_open = IsRootOfOpenMenuSet();
ImGuiWindow* backed_nav_window = g.NavWindow;
if (menuset_is_open)