Inputs: made ImGuiInputFlags_RouteFocused the default for Shortcut(). (#456, #2637, #3724)

This commit is contained in:
ocornut 2022-11-03 19:21:25 +01:00
parent 4d6a9ef93f
commit d576724bfd
2 changed files with 22 additions and 17 deletions

View File

@ -8053,14 +8053,15 @@ bool ImGui::SetShortcutRouting(ImGuiKeyChord key_chord, ImGuiID owner_id, ImGuiI
{
ImGuiContext& g = *GImGui;
if ((flags & ImGuiInputFlags_RouteMask_) == 0)
flags = ImGuiInputFlags_RouteGlobalHigh; // This is the default for SetShortcutRouting() but NOT Shortcut() which doesn't touch routing by default!
flags |= ImGuiInputFlags_RouteGlobalHigh; // IMPORTANT: This is the default for SetShortcutRouting() but NOT Shortcut()
else
IM_ASSERT(ImIsPowerOfTwo(flags & ImGuiInputFlags_RouteMask_)); // Check that only 1 routing flag is used
IM_ASSERT(owner_id != ImGuiKeyOwner_None);
if (flags & ImGuiInputFlags_RouteUnlessBgFocused)
if (g.NavWindow == NULL)
return false;
if (flags & ImGuiInputFlags_RouteAlways)
return true;
// Current score encoding (lower is highest priority):
// - 0: ImGuiInputFlags_RouteGlobalHigh
@ -8615,10 +8616,11 @@ bool ImGui::Shortcut(ImGuiKeyChord key_chord, ImGuiID owner_id, ImGuiInputFlags
{
ImGuiContext& g = *GImGui;
// When using (owner_id == 0/Any): SetShortcutRouting() will use CurrentFocusScopeId and filter with this, so IsKeyPressed() is fine with he 0/Any.
if (flags & (ImGuiInputFlags_RouteMask_ | ImGuiInputFlags_RouteUnlessBgFocused))
if (!SetShortcutRouting(key_chord, owner_id, flags, g.CurrentWindow))
return false;
// When using (owner_id == 0/Any): SetShortcutRouting() will use CurrentFocusScopeId and filter with this, so IsKeyPressed() is fine with he 0/Any.
if ((flags & ImGuiInputFlags_RouteMask_) == 0)
flags |= ImGuiInputFlags_RouteFocused;
if (!SetShortcutRouting(key_chord, owner_id, flags, g.CurrentWindow))
return false;
ImGuiKey key = (ImGuiKey)(key_chord & ~ImGuiMod_Mask_);
ImGuiKey mods = (ImGuiKey)(key_chord & ImGuiMod_Mask_);

View File

@ -1337,25 +1337,28 @@ enum ImGuiInputFlags_
ImGuiInputFlags_LockThisFrame = 1 << 6, // Access to key data will requires EXPLICIT owner ID (ImGuiKeyOwner_Any/0 will NOT accepted for polling). Cleared at end of frame. This is useful to make input-owner-aware code steal keys from non-input-owner-aware code.
ImGuiInputFlags_LockUntilRelease = 1 << 7, // Access to key data will requires EXPLICIT owner ID (ImGuiKeyOwner_Any/0 will NOT accepted for polling). Cleared when key is released or at end of frame is not down. This is useful to make input-owner-aware code steal keys from non-input-owner-aware code.
// Routing policies for Shortcut(), SetShortcutRouting()
// - When a policy is set, Shortcut() will register itself with SetShortcutRouting(),
// Routing policies for Shortcut() + low-level SetShortcutRouting()
// - The general idea is that several callers register interest in a shortcut, and only one owner gets it.
// - When a policy (other than _RouteAlways) is set, Shortcut() will register itself with SetShortcutRouting(),
// allowing the system to decide where to route the input among other route-aware calls.
// The general idea is that several callers register a shortcut, and only one gets it.
// - Routing is NOT registered by default, meaning that a simple Shortcut() call
// will see all inputs, won't have any side-effect and won't interfere with other inputs.
// - Priorities (highest-to-lowest): GlobalHigh > Focused (when active item) > Global > Focused (when focused window) > GlobalLow.
// - Shortcut() uses ImGuiInputFlags_RouteFocused by default: meaning that a simple Shortcut() poll
// will register a route and only succeed when parent window is in the focus stack and if no-one
// with a higher priority is claiming the shortcut.
// - Using ImGuiInputFlags_RouteAlways is roughly equivalent to doing e.g. IsKeyPressed(key) + testing mods.
// - Priorities: GlobalHigh > Focused (when owner is active item) > Global > Focused (when focused window) > GlobalLow.
// - Can select only 1 policy among all available.
ImGuiInputFlags_RouteNone = 0, // Do not register route (provided for completeness but technically zero-value)
ImGuiInputFlags_RouteFocused = 1 << 8, // Register route if focused: Accept inputs if window is in focus stack. Deep-most focused window takes inputs. ActiveId takes inputs over deep-most focused window.
ImGuiInputFlags_RouteFocused = 1 << 8, // (Default) Register focused route: Accept inputs if window is in focus stack. Deep-most focused window takes inputs. ActiveId takes inputs over deep-most focused window.
ImGuiInputFlags_RouteGlobalLow = 1 << 9, // Register route globally (lowest priority: unless a focused window or active item registered the route) -> recommended Global priority.
ImGuiInputFlags_RouteGlobal = 1 << 10, // Register route globally (medium priority: unless an active item registered the route, e.g. CTRL+A registered by InputText).
ImGuiInputFlags_RouteGlobalHigh = 1 << 11, // Register route globally (highest priority: unlikely you need to use that: will interfere with every active items)
ImGuiInputFlags_RouteMask_ = ImGuiInputFlags_RouteFocused | ImGuiInputFlags_RouteGlobal | ImGuiInputFlags_RouteGlobalLow | ImGuiInputFlags_RouteGlobalHigh,
ImGuiInputFlags_RouteUnlessBgFocused= 1 << 12, // Global routes will not be applied if underlying background/void is focused (== no Dear ImGui windows are focused). Useful for overlay applications.
ImGuiInputFlags_RouteMask_ = ImGuiInputFlags_RouteFocused | ImGuiInputFlags_RouteGlobal | ImGuiInputFlags_RouteGlobalLow | ImGuiInputFlags_RouteGlobalHigh, // _Always not part of this!
ImGuiInputFlags_RouteAlways = 1 << 12, // Do not register route, poll keys directly.
ImGuiInputFlags_RouteUnlessBgFocused= 1 << 13, // Global routes will not be applied if underlying background/void is focused (== no Dear ImGui windows are focused). Useful for overlay applications.
ImGuiInputFlags_RouteExtraMask_ = ImGuiInputFlags_RouteAlways | ImGuiInputFlags_RouteUnlessBgFocused,
// [Internal] Mask of which function support which flags
ImGuiInputFlags_SupportedByIsKeyPressed = ImGuiInputFlags_Repeat | ImGuiInputFlags_RepeatRateMask_,
ImGuiInputFlags_SupportedByShortcut = ImGuiInputFlags_Repeat | ImGuiInputFlags_RepeatRateMask_ | ImGuiInputFlags_RouteMask_ | ImGuiInputFlags_RouteUnlessBgFocused,
ImGuiInputFlags_SupportedByShortcut = ImGuiInputFlags_Repeat | ImGuiInputFlags_RepeatRateMask_ | ImGuiInputFlags_RouteMask_ | ImGuiInputFlags_RouteExtraMask_,
ImGuiInputFlags_SupportedBySetKeyOwner = ImGuiInputFlags_LockThisFrame | ImGuiInputFlags_LockUntilRelease,
ImGuiInputFlags_SupportedBySetItemKeyOwner = ImGuiInputFlags_SupportedBySetKeyOwner | ImGuiInputFlags_CondMask_,
};