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Nav: wrap abs<>rel rectangle conversions before we attempt to switch the reference point from window->Pos to window->DC.CursorStartPos. This commit should have no effect.

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Current point makes rectangle invalid right after a scroll, for interactive actions it's rarely a problem but e.g. clipper will want to use g.NavID rect rel while scrolling. (#3841)
This commit is contained in:
ocornut 2021-10-26 19:23:04 +02:00
parent 19c72cd52a
commit 8361ed1f54
3 changed files with 16 additions and 14 deletions
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26
imgui.cpp
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@ -2268,7 +2268,7 @@ void ImGui::CalcListClipping(int items_count, float items_height, int* out_items
if (g.NavMoveScoringItems)
unclipped_rect.Add(g.NavScoringRect);
if (g.NavJustMovedToId && window->NavLastIds[0] == g.NavJustMovedToId)
unclipped_rect.Add(ImRect(window->Pos + window->NavRectRel[0].Min, window->Pos + window->NavRectRel[0].Max)); // Could store and use NavJustMovedToRectRel
unclipped_rect.Add(WindowRectRelToAbs(window, window->NavRectRel[0])); // Could store and use NavJustMovedToRectRel
const ImVec2 pos = window->DC.CursorPos;
int start = (int)((unclipped_rect.Min.y - pos.y) / items_height);
@ -7127,7 +7127,7 @@ void ImGui::SetItemDefaultFocus()
g.NavInitRequest = false;
g.NavInitResultId = g.LastItemData.ID;
g.NavInitResultRectRel = ImRect(g.LastItemData.Rect.Min - window->Pos, g.LastItemData.Rect.Max - window->Pos);
g.NavInitResultRectRel = WindowRectAbsToRel(window, g.LastItemData.Rect);
NavUpdateAnyRequestFlag();
// Scroll could be done in NavInitRequestApplyResult() via a opt-in flag (we however don't want regular init requests to scroll)
@ -8829,7 +8829,7 @@ void ImGui::SetFocusID(ImGuiID id, ImGuiWindow* window)
g.NavFocusScopeId = window->DC.NavFocusScopeIdCurrent;
window->NavLastIds[nav_layer] = id;
if (g.LastItemData.ID == id)
window->NavRectRel[nav_layer] = ImRect(g.LastItemData.NavRect.Min - window->Pos, g.LastItemData.NavRect.Max - window->Pos);
window->NavRectRel[nav_layer] = WindowRectAbsToRel(window, g.LastItemData.NavRect);
if (g.ActiveIdSource == ImGuiInputSource_Nav)
g.NavDisableMouseHover = true;
@ -9009,7 +9009,7 @@ static void ImGui::NavApplyItemToResult(ImGuiNavItemData* result)
result->ID = g.LastItemData.ID;
result->FocusScopeId = window->DC.NavFocusScopeIdCurrent;
result->InFlags = g.LastItemData.InFlags;
result->RectRel = ImRect(g.LastItemData.NavRect.Min - window->Pos, g.LastItemData.NavRect.Max - window->Pos);
result->RectRel = WindowRectAbsToRel(window, g.LastItemData.NavRect);
}
// We get there when either NavId == id, or when g.NavAnyRequest is set (which is updated by NavUpdateAnyRequestFlag above)
@ -9030,7 +9030,7 @@ static void ImGui::NavProcessItem()
if (candidate_for_nav_default_focus || g.NavInitResultId == 0)
{
g.NavInitResultId = id;
g.NavInitResultRectRel = ImRect(nav_bb.Min - window->Pos, nav_bb.Max - window->Pos);
g.NavInitResultRectRel = WindowRectAbsToRel(window, nav_bb);
}
if (candidate_for_nav_default_focus)
{
@ -9077,7 +9077,7 @@ static void ImGui::NavProcessItem()
g.NavLayer = window->DC.NavLayerCurrent;
g.NavFocusScopeId = window->DC.NavFocusScopeIdCurrent;
g.NavIdIsAlive = true;
window->NavRectRel[window->DC.NavLayerCurrent] = ImRect(nav_bb.Min - window->Pos, nav_bb.Max - window->Pos); // Store item bounding box (relative to window position)
window->NavRectRel[window->DC.NavLayerCurrent] = WindowRectAbsToRel(window, nav_bb); // Store item bounding box (relative to window position)
}
}
@ -9242,8 +9242,8 @@ static ImVec2 ImGui::NavCalcPreferredRefPos()
else
{
// When navigation is active and mouse is disabled, decide on an arbitrary position around the bottom left of the currently navigated item.
const ImRect& rect_rel = g.NavWindow->NavRectRel[g.NavLayer];
ImVec2 pos = g.NavWindow->Pos + ImVec2(rect_rel.Min.x + ImMin(g.Style.FramePadding.x * 4, rect_rel.GetWidth()), rect_rel.Max.y - ImMin(g.Style.FramePadding.y, rect_rel.GetHeight()));
ImRect rect_rel = WindowRectRelToAbs(g.NavWindow, g.NavWindow->NavRectRel[g.NavLayer]);
ImVec2 pos = ImVec2(rect_rel.Min.x + ImMin(g.Style.FramePadding.x * 4, rect_rel.GetWidth()), rect_rel.Max.y - ImMin(g.Style.FramePadding.y, rect_rel.GetHeight()));
ImGuiViewport* viewport = GetMainViewport();
return ImFloor(ImClamp(pos, viewport->Pos, viewport->Pos + viewport->Size)); // ImFloor() is important because non-integer mouse position application in backend might be lossy and result in undesirable non-zero delta.
}
@ -9456,7 +9456,7 @@ static void ImGui::NavUpdate()
if (g.NavWindow)
{
ImDrawList* draw_list = GetForegroundDrawList(g.NavWindow);
if (1) { for (int layer = 0; layer < 2; layer++) draw_list->AddRect(g.NavWindow->Pos + g.NavWindow->NavRectRel[layer].Min, g.NavWindow->Pos + g.NavWindow->NavRectRel[layer].Max, IM_COL32(255,200,0,255)); } // [DEBUG]
if (1) { for (int layer = 0; layer < 2; layer++) { ImRect r = WindowRectRelToAbs(g.NavWindow, g.NavWindow->NavRectRel[layer]); draw_list->AddRect(r.Min, r.Max, IM_COL32(255,200,0,255)); } // [DEBUG]
if (1) { ImU32 col = (!g.NavWindow->Hidden) ? IM_COL32(255,0,255,255) : IM_COL32(255,0,0,255); ImVec2 p = NavCalcPreferredRefPos(); char buf[32]; ImFormatString(buf, 32, "%d", g.NavLayer); draw_list->AddCircleFilled(p, 3.0f, col); draw_list->AddText(NULL, 13.0f, p + ImVec2(8,-4), col, buf); }
}
#endif
@ -9549,7 +9549,7 @@ void ImGui::NavUpdateCreateMoveRequest()
// (can't focus a visible object like we can with the mouse).
if (g.NavMoveSubmitted && g.NavInputSource == ImGuiInputSource_Gamepad && g.NavLayer == ImGuiNavLayer_Main && window != NULL)
{
ImRect window_rect_rel(window->InnerRect.Min - window->Pos - ImVec2(1, 1), window->InnerRect.Max - window->Pos + ImVec2(1, 1));
ImRect window_rect_rel = WindowRectAbsToRel(window, ImRect(window->InnerRect.Min - ImVec2(1, 1), window->InnerRect.Max + ImVec2(1, 1)));
if (!window_rect_rel.Contains(window->NavRectRel[g.NavLayer]))
{
IMGUI_DEBUG_LOG_NAV("[nav] NavMoveRequest: clamp NavRectRel\n");
@ -9565,7 +9565,7 @@ void ImGui::NavUpdateCreateMoveRequest()
if (window != NULL)
{
ImRect nav_rect_rel = !window->NavRectRel[g.NavLayer].IsInverted() ? window->NavRectRel[g.NavLayer] : ImRect(0, 0, 0, 0);
scoring_rect = ImRect(window->Pos + nav_rect_rel.Min, window->Pos + nav_rect_rel.Max);
scoring_rect = WindowRectRelToAbs(window, nav_rect_rel);
scoring_rect.TranslateY(scoring_rect_offset_y);
scoring_rect.Min.x = ImMin(scoring_rect.Min.x + 1.0f, scoring_rect.Max.x);
scoring_rect.Max.x = scoring_rect.Min.x;
@ -9624,7 +9624,7 @@ void ImGui::NavMoveRequestApplyResult()
}
else
{
ImRect rect_abs = ImRect(result->RectRel.Min + result->Window->Pos, result->RectRel.Max + result->Window->Pos);
ImRect rect_abs = WindowRectRelToAbs(result->Window, result->RectRel);
delta_scroll = ScrollToRectEx(result->Window, rect_abs, g.NavMoveScrollFlags);
}
@ -9699,7 +9699,7 @@ static void ImGui::NavUpdateCancelRequest()
IM_ASSERT(child_window->ChildId != 0);
ImRect child_rect = child_window->Rect();
FocusWindow(parent_window);
SetNavID(child_window->ChildId, ImGuiNavLayer_Main, 0, ImRect(child_rect.Min - parent_window->Pos, child_rect.Max - parent_window->Pos));
SetNavID(child_window->ChildId, ImGuiNavLayer_Main, 0, WindowRectAbsToRel(parent_window, child_rect));
}
else if (g.OpenPopupStack.Size > 0)
{

2
imgui_internal.h
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@ -2388,6 +2388,8 @@ namespace ImGui
IMGUI_API void SetWindowSize(ImGuiWindow* window, const ImVec2& size, ImGuiCond cond = 0);
IMGUI_API void SetWindowCollapsed(ImGuiWindow* window, bool collapsed, ImGuiCond cond = 0);
IMGUI_API void SetWindowHitTestHole(ImGuiWindow* window, const ImVec2& pos, const ImVec2& size);
inline ImRect WindowRectAbsToRel(ImGuiWindow* window, const ImRect& r) { ImVec2 off = window->Pos; return ImRect(r.Min.x - off.x, r.Min.y - off.y, r.Max.x - off.x, r.Max.y - off.y); }
inline ImRect WindowRectRelToAbs(ImGuiWindow* window, const ImRect& r) { ImVec2 off = window->Pos; return ImRect(r.Min.x + off.x, r.Min.y + off.y, r.Max.x + off.x, r.Max.y + off.y); }
// Windows: Display Order and Focus Order
IMGUI_API void FocusWindow(ImGuiWindow* window);

2
imgui_widgets.cpp
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@ -6258,7 +6258,7 @@ bool ImGui::Selectable(const char* label, bool selected, ImGuiSelectableFlags fl
{
if (!g.NavDisableMouseHover && g.NavWindow == window && g.NavLayer == window->DC.NavLayerCurrent)
{
SetNavID(id, window->DC.NavLayerCurrent, window->DC.NavFocusScopeIdCurrent, ImRect(bb.Min - window->Pos, bb.Max - window->Pos)); // (bb == NavRect)
SetNavID(id, window->DC.NavLayerCurrent, window->DC.NavFocusScopeIdCurrent, WindowRectAbsToRel(window, bb)); // (bb == NavRect)
g.NavDisableHighlight = true;
}
}