Merge branch 'master' into docking

imgui.cpp

@@ -1385,9 +1385,9 @@ void ImGuiIO::ClearInputKeys()
     MouseWheel = MouseWheelH = 0.0f;
 }
 
-static ImGuiInputEvent* FindLatestInputEvent(ImGuiInputEventType type, int arg = -1)
+static ImGuiInputEvent* FindLatestInputEvent(ImGuiContext* ctx, ImGuiInputEventType type, int arg = -1)
 {
-    ImGuiContext& g = *GImGui;
+    ImGuiContext& g = *ctx;
     for (int n = g.InputEventsQueue.Size - 1; n >= 0; n--)
     {
         ImGuiInputEvent* e = &g.InputEventsQueue[n];
@@ -1406,6 +1406,8 @@ static ImGuiInputEvent* FindLatestInputEvent(ImGuiInputEventType type, int arg =
 // - ImGuiKey key:       Translated key (as in, generally ImGuiKey_A matches the key end-user would use to emit an 'A' character)
 // - bool down:          Is the key down? use false to signify a key release.
 // - float analog_value: 0.0f..1.0f
+// IMPORTANT: THIS FUNCTION AND OTHER "ADD" GRABS THE CONTEXT FROM OUR INSTANCE.
+// WE NEED TO ENSURE THAT ALL FUNCTION CALLS ARE FULLFILLING THIS, WHICH IS WHY GetKeyData() HAS AN EXPLICIT CONTEXT.
 void ImGuiIO::AddKeyAnalogEvent(ImGuiKey key, bool down, float analog_value)
 {
     //if (e->Down) { IMGUI_DEBUG_LOG_IO("AddKeyEvent() Key='%s' %d, NativeKeycode = %d, NativeScancode = %d\n", ImGui::GetKeyName(e->Key), e->Down, e->NativeKeycode, e->NativeScancode); }
@@ -1414,7 +1416,7 @@ void ImGuiIO::AddKeyAnalogEvent(ImGuiKey key, bool down, float analog_value)
         return;
     ImGuiContext& g = *Ctx;
     IM_ASSERT(ImGui::IsNamedKeyOrModKey(key)); // Backend needs to pass a valid ImGuiKey_ constant. 0..511 values are legacy native key codes which are not accepted by this API.
-    IM_ASSERT(!ImGui::IsAliasKey(key)); // Backend cannot submit ImGuiKey_MouseXXX values they are automatically inferred from AddMouseXXX() events.
+    IM_ASSERT(ImGui::IsAliasKey(key) == false); // Backend cannot submit ImGuiKey_MouseXXX values they are automatically inferred from AddMouseXXX() events.
     IM_ASSERT(key != ImGuiMod_Shortcut); // We could easily support the translation here but it seems saner to not accept it (TestEngine perform a translation itself)
 
     // Verify that backend isn't mixing up using new io.AddKeyEvent() api and old io.KeysDown[] + io.KeyMap[] data.
@@ -1429,8 +1431,8 @@ void ImGuiIO::AddKeyAnalogEvent(ImGuiKey key, bool down, float analog_value)
         BackendUsingLegacyNavInputArray = false;
 
     // Filter duplicate (in particular: key mods and gamepad analog values are commonly spammed)
-    const ImGuiInputEvent* latest_event = FindLatestInputEvent(ImGuiInputEventType_Key, (int)key);
-    const ImGuiKeyData* key_data = ImGui::GetKeyData(key);
+    const ImGuiInputEvent* latest_event = FindLatestInputEvent(&g, ImGuiInputEventType_Key, (int)key);
+    const ImGuiKeyData* key_data = ImGui::GetKeyData(&g, key);
     const bool latest_key_down = latest_event ? latest_event->Key.Down : key_data->Down;
     const float latest_key_analog = latest_event ? latest_event->Key.AnalogValue : key_data->AnalogValue;
     if (latest_key_down == down && latest_key_analog == analog_value)
@@ -1496,7 +1498,7 @@ void ImGuiIO::AddMousePosEvent(float x, float y)
     ImVec2 pos((x > -FLT_MAX) ? ImFloorSigned(x) : x, (y > -FLT_MAX) ? ImFloorSigned(y) : y);
 
     // Filter duplicate
-    const ImGuiInputEvent* latest_event = FindLatestInputEvent(ImGuiInputEventType_MousePos);
+    const ImGuiInputEvent* latest_event = FindLatestInputEvent(&g, ImGuiInputEventType_MousePos);
     const ImVec2 latest_pos = latest_event ? ImVec2(latest_event->MousePos.PosX, latest_event->MousePos.PosY) : g.IO.MousePos;
     if (latest_pos.x == pos.x && latest_pos.y == pos.y)
         return;
@@ -1518,7 +1520,7 @@ void ImGuiIO::AddMouseButtonEvent(int mouse_button, bool down)
         return;
 
     // Filter duplicate
-    const ImGuiInputEvent* latest_event = FindLatestInputEvent(ImGuiInputEventType_MouseButton, (int)mouse_button);
+    const ImGuiInputEvent* latest_event = FindLatestInputEvent(&g, ImGuiInputEventType_MouseButton, (int)mouse_button);
     const bool latest_button_down = latest_event ? latest_event->MouseButton.Down : g.IO.MouseDown[mouse_button];
     if (latest_button_down == down)
         return;
@@ -1551,14 +1553,14 @@ void ImGuiIO::AddMouseWheelEvent(float wheel_x, float wheel_y)
 
 void ImGuiIO::AddMouseViewportEvent(ImGuiID viewport_id)
 {
-    ImGuiContext& g = *GImGui;
-    IM_ASSERT(&g.IO == this && "Can only add events to current context.");
+    IM_ASSERT(Ctx != NULL);
+    ImGuiContext& g = *Ctx;
     IM_ASSERT(g.IO.BackendFlags & ImGuiBackendFlags_HasMouseHoveredViewport);
     if (!AppAcceptingEvents)
         return;
 
     // Filter duplicate
-    const ImGuiInputEvent* latest_event = FindLatestInputEvent(ImGuiInputEventType_MouseViewport);
+    const ImGuiInputEvent* latest_event = FindLatestInputEvent(&g, ImGuiInputEventType_MouseViewport);
     const ImGuiID latest_viewport_id = latest_event ? latest_event->MouseViewport.HoveredViewportID : g.IO.MouseHoveredViewport;
     if (latest_viewport_id == viewport_id)
         return;
@@ -1576,7 +1578,7 @@ void ImGuiIO::AddFocusEvent(bool focused)
     ImGuiContext& g = *Ctx;
 
     // Filter duplicate
-    const ImGuiInputEvent* latest_event = FindLatestInputEvent(ImGuiInputEventType_Focus);
+    const ImGuiInputEvent* latest_event = FindLatestInputEvent(&g, ImGuiInputEventType_Focus);
     const bool latest_focused = latest_event ? latest_event->AppFocused.Focused : !g.IO.AppFocusLost;
     if (latest_focused == focused)
         return;
@@ -3666,6 +3668,7 @@ void ImGui::Shutdown()
     g.ClipboardHandlerData.clear();
     g.MenusIdSubmittedThisFrame.clear();
     g.InputTextState.ClearFreeMemory();
+    g.InputTextDeactivatedState.ClearFreeMemory();
 
     g.SettingsWindows.clear();
     g.SettingsHandlers.clear();
@@ -3844,13 +3847,23 @@ void ImGui::SetActiveID(ImGuiID id, ImGuiWindow* window)
 {
     ImGuiContext& g = *GImGui;
 
-    // While most behaved code would make an effort to not steal active id during window move/drag operations,
-    // we at least need to be resilient to it. Cancelling the move is rather aggressive and users of 'master' branch
-    // may prefer the weird ill-defined half working situation ('docking' did assert), so may need to rework that.
-    if (g.MovingWindow != NULL && g.ActiveId == g.MovingWindow->MoveId)
+    // Clear previous active id
+    if (g.ActiveId != 0)
     {
-        IMGUI_DEBUG_LOG_ACTIVEID("SetActiveID() cancel MovingWindow\n");
-        g.MovingWindow = NULL;
+        // While most behaved code would make an effort to not steal active id during window move/drag operations,
+        // we at least need to be resilient to it. Canceling the move is rather aggressive and users of 'master' branch
+        // may prefer the weird ill-defined half working situation ('docking' did assert), so may need to rework that.
+        if (g.MovingWindow != NULL && g.ActiveId == g.MovingWindow->MoveId)
+        {
+            IMGUI_DEBUG_LOG_ACTIVEID("SetActiveID() cancel MovingWindow\n");
+            g.MovingWindow = NULL;
+        }
+
+        // This could be written in a more general way (e.g associate a hook to ActiveId),
+        // but since this is currently quite an exception we'll leave it as is.
+        // One common scenario leading to this is: pressing Key ->NavMoveRequestApplyResult() -> ClearActiveId()
+        if (g.InputTextState.ID == g.ActiveId)
+            InputTextDeactivateHook(g.ActiveId);
     }
 
     // Set active id
@@ -3876,7 +3889,8 @@ void ImGui::SetActiveID(ImGuiID id, ImGuiWindow* window)
     if (id)
     {
         g.ActiveIdIsAlive = id;
-        g.ActiveIdSource = (g.NavActivateId == id || g.NavJustMovedToId == id) ? (ImGuiInputSource)ImGuiInputSource_Nav : ImGuiInputSource_Mouse;
+        g.ActiveIdSource = (g.NavActivateId == id || g.NavJustMovedToId == id) ? g.NavInputSource : ImGuiInputSource_Mouse;
+        IM_ASSERT(g.ActiveIdSource != ImGuiInputSource_None);
     }
 
     // Clear declaration of inputs claimed by the widget
@@ -3924,11 +3938,17 @@ void ImGui::MarkItemEdited(ImGuiID id)
     // This marking is solely to be able to provide info for IsItemDeactivatedAfterEdit().
     // ActiveId might have been released by the time we call this (as in the typical press/release button behavior) but still need to fill the data.
     ImGuiContext& g = *GImGui;
-    IM_ASSERT(g.ActiveId == id || g.ActiveId == 0 || g.DragDropActive);
-    IM_UNUSED(id); // Avoid unused variable warnings when asserts are compiled out.
+    if (g.ActiveId == id || g.ActiveId == 0)
+    {
+        g.ActiveIdHasBeenEditedThisFrame = true;
+        g.ActiveIdHasBeenEditedBefore = true;
+    }
+
+    // We accept a MarkItemEdited() on drag and drop targets (see https://github.com/ocornut/imgui/issues/1875#issuecomment-978243343)
+    // We accept 'ActiveIdPreviousFrame == id' for InputText() returning an edit after it has been taken ActiveId away (#4714)
+    IM_ASSERT(g.DragDropActive || g.ActiveId == id || g.ActiveId == 0 || g.ActiveIdPreviousFrame == id);
+
     //IM_ASSERT(g.CurrentWindow->DC.LastItemId == id);
-    g.ActiveIdHasBeenEditedThisFrame = true;
-    g.ActiveIdHasBeenEditedBefore = true;
     g.LastItemData.StatusFlags |= ImGuiItemStatusFlags_Edited;
 }
 
@@ -5542,7 +5562,7 @@ bool ImGui::BeginChildEx(const char* name, ImGuiID id, const ImVec2& size_arg, b
         FocusWindow(child_window);
         NavInitWindow(child_window, false);
         SetActiveID(id + 1, child_window); // Steal ActiveId with another arbitrary id so that key-press won't activate child item
-        g.ActiveIdSource = ImGuiInputSource_Nav;
+        g.ActiveIdSource = g.NavInputSource;
     }
     return ret;
 }
@@ -8307,13 +8327,13 @@ bool ImGui::IsRectVisible(const ImVec2& rect_min, const ImVec2& rect_max)
 // - Shortcut() [Internal]
 //-----------------------------------------------------------------------------
 
-ImGuiKeyData* ImGui::GetKeyData(ImGuiKey key)
+ImGuiKeyData* ImGui::GetKeyData(ImGuiContext* ctx, ImGuiKey key)
 {
-    ImGuiContext& g = *GImGui;
+    ImGuiContext& g = *ctx;
 
     // Special storage location for mods
     if (key & ImGuiMod_Mask_)
-        key = ConvertSingleModFlagToKey(key);
+        key = ConvertSingleModFlagToKey(ctx, key);
 
 #ifndef IMGUI_DISABLE_OBSOLETE_KEYIO
     IM_ASSERT(key >= ImGuiKey_LegacyNativeKey_BEGIN && key < ImGuiKey_NamedKey_END);
@@ -8362,22 +8382,22 @@ IM_STATIC_ASSERT(ImGuiKey_NamedKey_COUNT == IM_ARRAYSIZE(GKeyNames));
 
 const char* ImGui::GetKeyName(ImGuiKey key)
 {
+    ImGuiContext& g = *GImGui;
 #ifdef IMGUI_DISABLE_OBSOLETE_KEYIO
     IM_ASSERT((IsNamedKey(key) || key == ImGuiKey_None) && "Support for user key indices was dropped in favor of ImGuiKey. Please update backend and user code.");
 #else
     if (IsLegacyKey(key))
     {
-        ImGuiIO& io = GetIO();
-        if (io.KeyMap[key] == -1)
+        if (g.IO.KeyMap[key] == -1)
             return "N/A";
-        IM_ASSERT(IsNamedKey((ImGuiKey)io.KeyMap[key]));
-        key = (ImGuiKey)io.KeyMap[key];
+        IM_ASSERT(IsNamedKey((ImGuiKey)g.IO.KeyMap[key]));
+        key = (ImGuiKey)g.IO.KeyMap[key];
     }
 #endif
     if (key == ImGuiKey_None)
         return "None";
     if (key & ImGuiMod_Mask_)
-        key = ConvertSingleModFlagToKey(key);
+        key = ConvertSingleModFlagToKey(&g, key);
     if (!IsNamedKey(key))
         return "Unknown";
 
@@ -8472,7 +8492,7 @@ static void ImGui::UpdateKeyRoutingTable(ImGuiKeyRoutingTable* rt)
             // Apply routing to owner if there's no owner already (RoutingCurr == None at this point)
             if (routing_entry->Mods == g.IO.KeyMods)
             {
-                ImGuiKeyOwnerData* owner_data = ImGui::GetKeyOwnerData(key);
+                ImGuiKeyOwnerData* owner_data = GetKeyOwnerData(&g, key);
                 if (owner_data->OwnerCurr == ImGuiKeyOwner_None)
                     owner_data->OwnerCurr = routing_entry->RoutingCurr;
             }
@@ -8509,7 +8529,7 @@ ImGuiKeyRoutingData* ImGui::GetShortcutRoutingData(ImGuiKeyChord key_chord)
     ImGuiKey key = (ImGuiKey)(key_chord & ~ImGuiMod_Mask_);
     ImGuiKey mods = (ImGuiKey)(key_chord & ImGuiMod_Mask_);
     if (key == ImGuiKey_None)
-        key = ConvertSingleModFlagToKey(mods);
+        key = ConvertSingleModFlagToKey(&g, mods);
     IM_ASSERT(IsNamedKey(key));
 
     // Get (in the majority of case, the linked list will have one element so this should be 2 reads.
@@ -9242,7 +9262,7 @@ void ImGui::SetNextFrameWantCaptureMouse(bool want_capture_mouse)
 #ifndef IMGUI_DISABLE_DEBUG_TOOLS
 static const char* GetInputSourceName(ImGuiInputSource source)
 {
-    const char* input_source_names[] = { "None", "Mouse", "Keyboard", "Gamepad", "Nav", "Clipboard" };
+    const char* input_source_names[] = { "None", "Mouse", "Keyboard", "Gamepad", "Clipboard" };
     IM_ASSERT(IM_ARRAYSIZE(input_source_names) == ImGuiInputSource_COUNT && source >= 0 && source < ImGuiInputSource_COUNT);
     return input_source_names[source];
 }
@@ -9389,7 +9409,7 @@ ImGuiID ImGui::GetKeyOwner(ImGuiKey key)
         return ImGuiKeyOwner_None;
 
     ImGuiContext& g = *GImGui;
-    ImGuiKeyOwnerData* owner_data = GetKeyOwnerData(key);
+    ImGuiKeyOwnerData* owner_data = GetKeyOwnerData(&g, key);
     ImGuiID owner_id = owner_data->OwnerCurr;
 
     if (g.ActiveIdUsingAllKeyboardKeys && owner_id != g.ActiveId && owner_id != ImGuiKeyOwner_Any)
@@ -9413,7 +9433,7 @@ bool ImGui::TestKeyOwner(ImGuiKey key, ImGuiID owner_id)
         if (key >= ImGuiKey_Keyboard_BEGIN && key < ImGuiKey_Keyboard_END)
             return false;
 
-    ImGuiKeyOwnerData* owner_data = GetKeyOwnerData(key);
+    ImGuiKeyOwnerData* owner_data = GetKeyOwnerData(&g, key);
     if (owner_id == ImGuiKeyOwner_Any)
         return (owner_data->LockThisFrame == false);
 
@@ -9441,7 +9461,8 @@ void ImGui::SetKeyOwner(ImGuiKey key, ImGuiID owner_id, ImGuiInputFlags flags)
     IM_ASSERT(IsNamedKeyOrModKey(key) && (owner_id != ImGuiKeyOwner_Any || (flags & (ImGuiInputFlags_LockThisFrame | ImGuiInputFlags_LockUntilRelease)))); // Can only use _Any with _LockXXX flags (to eat a key away without an ID to retrieve it)
     IM_ASSERT((flags & ~ImGuiInputFlags_SupportedBySetKeyOwner) == 0); // Passing flags not supported by this function!
 
-    ImGuiKeyOwnerData* owner_data = GetKeyOwnerData(key);
+    ImGuiContext& g = *GImGui;
+    ImGuiKeyOwnerData* owner_data = GetKeyOwnerData(&g, key);
     owner_data->OwnerCurr = owner_data->OwnerNext = owner_id;
 
     // We cannot lock by default as it would likely break lots of legacy code.
@@ -9490,7 +9511,7 @@ bool ImGui::Shortcut(ImGuiKeyChord key_chord, ImGuiID owner_id, ImGuiInputFlags
     // Special storage location for mods
     ImGuiKey key = (ImGuiKey)(key_chord & ~ImGuiMod_Mask_);
     if (key == ImGuiKey_None)
-        key = ConvertSingleModFlagToKey(mods);
+        key = ConvertSingleModFlagToKey(&g, mods);
 
     if (!IsKeyPressed(key, owner_id, (flags & (ImGuiInputFlags_Repeat | (ImGuiInputFlags)ImGuiInputFlags_RepeatRateMask_))))
         return false;
@@ -9941,7 +9962,7 @@ bool ImGui::ItemAdd(const ImRect& bb, ImGuiID id, const ImRect* nav_bb_arg, ImGu
     //    return false;
     const bool is_rect_visible = bb.Overlaps(window->ClipRect);
     if (!is_rect_visible)
-        if (id == 0 || (id != g.ActiveId && id != g.NavId))
+        if (id == 0 || (id != g.ActiveId && id != g.ActiveIdPreviousFrame && id != g.NavId))
             if (!g.LogEnabled)
                 return false;
 
@@ -11232,7 +11253,7 @@ void ImGui::SetFocusID(ImGuiID id, ImGuiWindow* window)
     if (g.LastItemData.ID == id)
         window->NavRectRel[nav_layer] = WindowRectAbsToRel(window, g.LastItemData.NavRect);
 
-    if (g.ActiveIdSource == ImGuiInputSource_Nav)
+    if (g.ActiveIdSource == ImGuiInputSource_Keyboard || g.ActiveIdSource == ImGuiInputSource_Gamepad)
         g.NavDisableMouseHover = true;
     else
         g.NavDisableHighlight = true;
@@ -19290,7 +19311,7 @@ void ImGui::ShowMetricsWindow(bool* p_open)
             {
                 for (ImGuiKey key = ImGuiKey_NamedKey_BEGIN; key < ImGuiKey_NamedKey_END; key = (ImGuiKey)(key + 1))
                 {
-                    ImGuiKeyOwnerData* owner_data = GetKeyOwnerData(key);
+                    ImGuiKeyOwnerData* owner_data = GetKeyOwnerData(&g, key);
                     if (owner_data->OwnerCurr == ImGuiKeyOwner_None)
                         continue;
                     Text("%s: 0x%08X%s", GetKeyName(key), owner_data->OwnerCurr,

imgui.h

@@ -23,7 +23,7 @@
 // Library Version
 // (Integer encoded as XYYZZ for use in #if preprocessor conditionals, e.g. '#if IMGUI_VERSION_NUM > 12345')
 #define IMGUI_VERSION               "1.89.5 WIP"
-#define IMGUI_VERSION_NUM           18941
+#define IMGUI_VERSION_NUM           18943
 #define IMGUI_HAS_TABLE
 #define IMGUI_HAS_VIEWPORT          // Viewport WIP branch
 #define IMGUI_HAS_DOCK              // Docking WIP branch

imgui_demo.cpp

@@ -5786,8 +5786,6 @@ static void ShowDemoWindowColumns()
     ImGui::TreePop();
 }
 
-namespace ImGui { extern ImGuiKeyData* GetKeyData(ImGuiKey key); }
-
 static void ShowDemoWindowInputs()
 {
     IMGUI_DEMO_MARKER("Inputs & Focus");
@@ -5822,7 +5820,7 @@ static void ShowDemoWindowInputs()
             struct funcs { static bool IsLegacyNativeDupe(ImGuiKey key) { return key < 512 && ImGui::GetIO().KeyMap[key] != -1; } }; // Hide Native<>ImGuiKey duplicates when both exists in the array
             ImGuiKey start_key = (ImGuiKey)0;
 #endif
-            ImGui::Text("Keys down:");         for (ImGuiKey key = start_key; key < ImGuiKey_NamedKey_END; key = (ImGuiKey)(key + 1)) { if (funcs::IsLegacyNativeDupe(key) || !ImGui::IsKeyDown(key)) continue; ImGui::SameLine(); ImGui::Text((key < ImGuiKey_NamedKey_BEGIN) ? "\"%s\"" : "\"%s\" %d", ImGui::GetKeyName(key), key); ImGui::SameLine(); ImGui::Text("(%.02f)", ImGui::GetKeyData(key)->DownDuration); }
+            ImGui::Text("Keys down:");         for (ImGuiKey key = start_key; key < ImGuiKey_NamedKey_END; key = (ImGuiKey)(key + 1)) { if (funcs::IsLegacyNativeDupe(key) || !ImGui::IsKeyDown(key)) continue; ImGui::SameLine(); ImGui::Text((key < ImGuiKey_NamedKey_BEGIN) ? "\"%s\"" : "\"%s\" %d", ImGui::GetKeyName(key), key); }
             ImGui::Text("Keys mods: %s%s%s%s", io.KeyCtrl ? "CTRL " : "", io.KeyShift ? "SHIFT " : "", io.KeyAlt ? "ALT " : "", io.KeySuper ? "SUPER " : "");
             ImGui::Text("Chars queue:");       for (int i = 0; i < io.InputQueueCharacters.Size; i++) { ImWchar c = io.InputQueueCharacters[i]; ImGui::SameLine();  ImGui::Text("\'%c\' (0x%04X)", (c > ' ' && c <= 255) ? (char)c : '?', c); } // FIXME: We should convert 'c' to UTF-8 here but the functions are not public.