Nav: Child window is restored on focus follow up. Fix bdd868704f. (#787, ~#727) One visible issue was pressing Left to leave a child menu.

This commit is contained in:
omar 2018-02-01 21:26:52 +01:00
parent 95f9c74b9a
commit eb737e0a42

View File

@ -2250,14 +2250,19 @@ static bool NavScoreItem(ImGuiNavMoveResult* result, ImRect cand)
return new_best; return new_best;
} }
static void NavSaveLastChildNavWindow(ImGuiWindow* child_window)
{
ImGuiWindow* parent_window = child_window;
while (parent_window && (parent_window->Flags & ImGuiWindowFlags_ChildWindow) != 0 && (parent_window->Flags & (ImGuiWindowFlags_Popup | ImGuiWindowFlags_ChildMenu)) == 0)
parent_window = parent_window->ParentWindow;
if (parent_window && parent_window != child_window)
parent_window->NavLastChildNavWindow = child_window;
}
// Call when we are expected to land on Layer 0 after FocusWindow() // Call when we are expected to land on Layer 0 after FocusWindow()
static ImGuiWindow* NavRestoreLastChildNavWindow(ImGuiWindow* window) static ImGuiWindow* NavRestoreLastChildNavWindow(ImGuiWindow* window)
{ {
ImGuiWindow* child_window = window->NavLastChildNavWindow; return window->NavLastChildNavWindow ? window->NavLastChildNavWindow : window;
if (child_window == NULL)
return window;
window->NavLastChildNavWindow = NULL;
return child_window;
} }
static void NavRestoreLayer(int layer) static void NavRestoreLayer(int layer)
@ -2846,11 +2851,12 @@ static void ImGui::NavUpdateWindowing()
// Apply menu/layer toggle // Apply menu/layer toggle
if (apply_toggle_layer && g.NavWindow) if (apply_toggle_layer && g.NavWindow)
{ {
// FIXME-NAV: Iterate parent windows to find first one with an active menu layer, instead of aiming at root window immediately ImGuiWindow* new_nav_window = g.NavWindow;
if ((g.NavWindow->DC.NavLayerActiveMask & (1 << 1)) == 0 && (g.NavWindow->RootWindow->DC.NavLayerActiveMask & (1 << 1)) != 0) while ((new_nav_window->DC.NavLayerActiveMask & (1 << 1)) == 0 && (new_nav_window->Flags & ImGuiWindowFlags_ChildWindow) != 0 && (new_nav_window->Flags & (ImGuiWindowFlags_Popup | ImGuiWindowFlags_ChildMenu)) == 0)
new_nav_window = new_nav_window->ParentWindow;
if (new_nav_window != g.NavWindow)
{ {
ImGuiWindow* old_nav_window = g.NavWindow; ImGuiWindow* old_nav_window = g.NavWindow;
ImGuiWindow* new_nav_window = g.NavWindow->RootWindow;
FocusWindow(new_nav_window); FocusWindow(new_nav_window);
new_nav_window->NavLastChildNavWindow = old_nav_window; new_nav_window->NavLastChildNavWindow = old_nav_window;
} }
@ -2965,8 +2971,8 @@ static void ImGui::NavUpdate()
IM_ASSERT(g.NavLayer == 0 || g.NavLayer == 1); IM_ASSERT(g.NavLayer == 0 || g.NavLayer == 1);
// Store our return window (for returning from Layer 1 to Layer 0) and clear it as soon as we step back in our own Layer 0 // Store our return window (for returning from Layer 1 to Layer 0) and clear it as soon as we step back in our own Layer 0
if (g.NavWindow && g.NavWindow != g.NavWindow->RootWindow) if (g.NavWindow)
g.NavWindow->RootWindow->NavLastChildNavWindow = g.NavWindow; NavSaveLastChildNavWindow(g.NavWindow);
if (g.NavWindow && g.NavWindow->NavLastChildNavWindow != NULL && g.NavLayer == 0) if (g.NavWindow && g.NavWindow->NavLastChildNavWindow != NULL && g.NavLayer == 0)
g.NavWindow->NavLastChildNavWindow = NULL; g.NavWindow->NavLastChildNavWindow = NULL;
@ -6238,8 +6244,6 @@ void ImGui::FocusWindow(ImGuiWindow* window)
g.NavWindow = window; g.NavWindow = window;
if (window && g.NavDisableMouseHover) if (window && g.NavDisableMouseHover)
g.NavMousePosDirty = true; g.NavMousePosDirty = true;
if (window && window->NavLastChildNavWindow != NULL)
window->NavLastChildNavWindow = NULL;
g.NavInitRequest = false; g.NavInitRequest = false;
} }