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Nav: Added debug logging, extract bits of code into NavUpdateInitResult().
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parent
a456d17dfc
commit
f4d062fa11
38
imgui.cpp
38
imgui.cpp
@ -841,6 +841,7 @@ static void NavUpdate();
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static void NavUpdateWindowing();
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static void NavUpdateWindowingOverlay();
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static void NavUpdateMoveResult();
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static void NavUpdateInitResult();
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static float NavUpdatePageUpPageDown();
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static inline void NavUpdateAnyRequestFlag();
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static void NavEndFrame();
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@ -8444,7 +8445,7 @@ void ImGui::NavInitWindow(ImGuiWindow* window, bool force_reinit)
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if (!(window->Flags & ImGuiWindowFlags_NoNavInputs))
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if (!(window->Flags & ImGuiWindowFlags_ChildWindow) || (window->Flags & ImGuiWindowFlags_Popup) || (window->NavLastIds[0] == 0) || force_reinit)
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init_for_nav = true;
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//IMGUI_DEBUG_LOG("[Nav] NavInitWindow() init_for_nav=%d, window=\"%s\", layer=%d\n", init_for_nav, window->Name, g.NavLayer);
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IMGUI_DEBUG_LOG("[nav] NavInitRequest: from NavInitWindow(), init_for_nav=%d, window=\"%s\", layer=%d\n", init_for_nav, window->Name, g.NavLayer);
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if (init_for_nav)
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{
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SetNavID(0, g.NavLayer, 0);
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@ -8566,17 +8567,8 @@ static void ImGui::NavUpdate()
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io.NavInputsDownDuration[i] = (io.NavInputs[i] > 0.0f) ? (io.NavInputsDownDuration[i] < 0.0f ? 0.0f : io.NavInputsDownDuration[i] + io.DeltaTime) : -1.0f;
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// Process navigation init request (select first/default focus)
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// In very rare cases g.NavWindow may be null (e.g. clearing focus after requesting an init request, which does happen when releasing Alt while clicking on void)
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if (g.NavInitResultId != 0 && (!g.NavDisableHighlight || g.NavInitRequestFromMove) && g.NavWindow)
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{
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// Apply result from previous navigation init request (will typically select the first item, unless SetItemDefaultFocus() has been called)
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//IMGUI_DEBUG_LOG("[Nav] Apply NavInitRequest result: 0x%08X Layer %d in \"%s\"\n", g.NavInitResultId, g.NavLayer, g.NavWindow->Name);
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if (g.NavInitRequestFromMove)
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SetNavIDWithRectRel(g.NavInitResultId, g.NavLayer, 0, g.NavInitResultRectRel);
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else
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SetNavID(g.NavInitResultId, g.NavLayer, 0);
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g.NavWindow->NavRectRel[g.NavLayer] = g.NavInitResultRectRel;
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}
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if (g.NavInitResultId != 0 && (!g.NavDisableHighlight || g.NavInitRequestFromMove))
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NavUpdateInitResult();
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g.NavInitRequest = false;
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g.NavInitRequestFromMove = false;
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g.NavInitResultId = 0;
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@ -8629,6 +8621,7 @@ static void ImGui::NavUpdate()
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// Process NavCancel input (to close a popup, get back to parent, clear focus)
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if (IsNavInputTest(ImGuiNavInput_Cancel, ImGuiInputReadMode_Pressed))
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{
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IMGUI_DEBUG_LOG_NAV("[nav] ImGuiNavInput_Cancel\n");
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if (g.ActiveId != 0)
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{
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if (!IsActiveIdUsingNavInput(ImGuiNavInput_Cancel))
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@ -8714,6 +8707,7 @@ static void ImGui::NavUpdate()
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// (Preserve g.NavMoveRequestFlags, g.NavMoveClipDir which were set by the NavMoveRequestForward() function)
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IM_ASSERT(g.NavMoveDir != ImGuiDir_None && g.NavMoveClipDir != ImGuiDir_None);
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IM_ASSERT(g.NavMoveRequestForward == ImGuiNavForward_ForwardQueued);
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IMGUI_DEBUG_LOG_NAV("[nav] NavMoveRequestForward %d\n", g.NavMoveDir);
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g.NavMoveRequestForward = ImGuiNavForward_ForwardActive;
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}
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@ -8732,7 +8726,7 @@ static void ImGui::NavUpdate()
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}
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if (g.NavMoveRequest && g.NavId == 0)
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{
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//IMGUI_DEBUG_LOG("[Nav] NavInitRequest from move, window \"%s\", layer=%d\n", g.NavWindow->Name, g.NavLayer);
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IMGUI_DEBUG_LOG_NAV("[nav] NavInitRequest: from move, window \"%s\", layer=%d\n", g.NavWindow->Name, g.NavLayer);
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g.NavInitRequest = g.NavInitRequestFromMove = true;
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// Reassigning with same value, we're being explicit here.
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g.NavInitResultId = 0; // -V1048
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@ -8777,6 +8771,7 @@ static void ImGui::NavUpdate()
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ImRect window_rect_rel(window->InnerRect.Min - window->Pos - ImVec2(1, 1), window->InnerRect.Max - window->Pos + ImVec2(1, 1));
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if (!window_rect_rel.Contains(window->NavRectRel[g.NavLayer]))
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{
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IMGUI_DEBUG_LOG_NAV("[nav] NavMoveRequest: clamp NavRectRel\n");
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float pad = window->CalcFontSize() * 0.5f;
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window_rect_rel.Expand(ImVec2(-ImMin(window_rect_rel.GetWidth(), pad), -ImMin(window_rect_rel.GetHeight(), pad))); // Terrible approximation for the intent of starting navigation from first fully visible item
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window->NavRectRel[g.NavLayer].ClipWithFull(window_rect_rel);
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@ -8803,6 +8798,22 @@ static void ImGui::NavUpdate()
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#endif
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}
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static void ImGui::NavUpdateInitResult()
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{
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// In very rare cases g.NavWindow may be null (e.g. clearing focus after requesting an init request, which does happen when releasing Alt while clicking on void)
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ImGuiContext& g = *GImGui;
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if (!g.NavWindow)
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return;
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// Apply result from previous navigation init request (will typically select the first item, unless SetItemDefaultFocus() has been called)
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IMGUI_DEBUG_LOG_NAV("[nav] NavInitRequest: result NavID 0x%08X in Layer %d Window \"%s\"\n", g.NavInitResultId, g.NavLayer, g.NavWindow->Name);
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if (g.NavInitRequestFromMove)
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SetNavIDWithRectRel(g.NavInitResultId, g.NavLayer, 0, g.NavInitResultRectRel);
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else
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SetNavID(g.NavInitResultId, g.NavLayer, 0);
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g.NavWindow->NavRectRel[g.NavLayer] = g.NavInitResultRectRel;
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}
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// Apply result from previous frame navigation directional move request
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static void ImGui::NavUpdateMoveResult()
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{
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@ -8862,6 +8873,7 @@ static void ImGui::NavUpdateMoveResult()
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g.NavJustMovedToFocusScopeId = result->FocusScopeId;
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g.NavJustMovedToKeyMods = g.NavMoveRequestKeyMods;
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}
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IMGUI_DEBUG_LOG_NAV("[nav] NavMoveRequest: result NavID 0x%08X in Layer %d Window \"%s\"\n", result->ID, g.NavLayer, g.NavWindow->Name);
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SetNavIDWithRectRel(result->ID, g.NavLayer, result->FocusScopeId, result->RectRel);
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}
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@ -163,7 +163,9 @@ namespace ImStb
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// Debug Logging for selected systems. Remove the '((void)0) //' to enable.
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//#define IMGUI_DEBUG_LOG_POPUP IMGUI_DEBUG_LOG // Enable log
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//#define IMGUI_DEBUG_LOG_NAV IMGUI_DEBUG_LOG // Enable log
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#define IMGUI_DEBUG_LOG_POPUP(...) ((void)0) // Disable log
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#define IMGUI_DEBUG_LOG_NAV(...) ((void)0) // Disable log
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// Static Asserts
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#if (__cplusplus >= 201100)
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