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Navigation: comments + moving init block of code above in NavUpdate(), should have no side-effect (committed to simplify next commit) (#323)

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This commit is contained in:
ocornut 2016-07-24 14:15:34 +02:00
parent a424d6f805
commit 67feb5ac6c
1 changed files with 13 additions and 13 deletions
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24
imgui.cpp
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@ -2298,6 +2298,15 @@ static void NavUpdate()
ImGuiContext& g = *GImGui; ImGuiContext& g = *GImGui;
g.IO.WantMoveMouse = false; g.IO.WantMoveMouse = false;
// Process navigation init request (select first/default focus)
if (g.NavInitDefaultResultId != 0 && (!g.NavDisableHighlight || g.NavInitDefaultResultExplicit))
{
// Apply result from previous navigation init request (typically select the first item, unless SetItemDefaultFocus() has been called)
IM_ASSERT(g.NavWindow);
g.NavId = g.NavWindow->NavLastId = g.NavInitDefaultResultId;
}
// Apply application mouse position movement
if (g.NavMousePosDirty && g.NavIdIsAlive) if (g.NavMousePosDirty && g.NavIdIsAlive)
{ {
// Set mouse position given our knowledge of the nav widget position from last frame // Set mouse position given our knowledge of the nav widget position from last frame
@ -2311,22 +2320,16 @@ static void NavUpdate()
g.NavIdIsAlive = false; g.NavIdIsAlive = false;
g.NavTabbedId = 0; g.NavTabbedId = 0;
if (g.NavInitDefaultResultId != 0 && (!g.NavDisableHighlight || g.NavInitDefaultResultExplicit)) // Process navigation move request
if (g.NavMoveRequest && g.NavMoveResultId != 0)
{ {
// Apply result from previous navigation init request (typically select the first item, unless SetItemDefaultFocus() has been called)
IM_ASSERT(g.NavWindow); IM_ASSERT(g.NavWindow);
g.NavId = g.NavWindow->NavLastId = g.NavInitDefaultResultId;
//if (g.NavInitDefaultResultExplicit)
// g.NavDisableHighlight = false;
}
if (g.NavMoveRequest)
{
// Scroll to keep newly navigated item fully into view // Scroll to keep newly navigated item fully into view
ImRect window_rect_rel(g.NavWindow->InnerRect.Min - g.NavWindow->Pos, g.NavWindow->InnerRect.Max - g.NavWindow->Pos); ImRect window_rect_rel(g.NavWindow->InnerRect.Min - g.NavWindow->Pos, g.NavWindow->InnerRect.Max - g.NavWindow->Pos);
window_rect_rel.Expand(1.0f); window_rect_rel.Expand(1.0f);
//g.OverlayDrawList.AddRect(g.NavWindow->Pos + window_rect_rel.Min, g.NavWindow->Pos + window_rect_rel.Max, IM_COL32_WHITE); // [DEBUG] //g.OverlayDrawList.AddRect(g.NavWindow->Pos + window_rect_rel.Min, g.NavWindow->Pos + window_rect_rel.Max, IM_COL32_WHITE); // [DEBUG]
if (g.NavWindow && g.NavMoveResultId != 0 && !window_rect_rel.Contains(g.NavMoveResultRectRel)) if (!window_rect_rel.Contains(g.NavMoveResultRectRel))
{ {
if (g.NavWindow->ScrollbarX && g.NavMoveResultRectRel.Min.x < window_rect_rel.Min.x) if (g.NavWindow->ScrollbarX && g.NavMoveResultRectRel.Min.x < window_rect_rel.Min.x)
{ {
@ -2349,10 +2352,7 @@ static void NavUpdate()
g.NavWindow->ScrollTargetCenterRatio.y = 1.0f; g.NavWindow->ScrollTargetCenterRatio.y = 1.0f;
} }
} }
}
if (g.NavMoveRequest && g.NavMoveResultId != 0)
{
// Apply result from previous navigation directional move request // Apply result from previous navigation directional move request
IM_ASSERT(g.NavWindow); IM_ASSERT(g.NavWindow);
ImGui::SetActiveID(0); ImGui::SetActiveID(0);