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IO: Added input queue. (#4858, #2787, #1992, #3383, #2525, #1320)

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ocornut
2022-01-17 17:32:25 +01:00
parent b8e56dce83
commit 7374b96f5c
5 changed files with 244 additions and 32 deletions
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46
imgui_internal.h
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@ -199,8 +199,10 @@ namespace ImStb
// Debug Logging for selected systems. Remove the '((void)0) //' to enable.
//#define IMGUI_DEBUG_LOG_POPUP IMGUI_DEBUG_LOG // Enable log
//#define IMGUI_DEBUG_LOG_NAV IMGUI_DEBUG_LOG // Enable log
//#define IMGUI_DEBUG_LOG_IO IMGUI_DEBUG_LOG // Enable log
#define IMGUI_DEBUG_LOG_POPUP(...) ((void)0) // Disable log
#define IMGUI_DEBUG_LOG_NAV(...) ((void)0) // Disable log
#define IMGUI_DEBUG_LOG_IO(...) ((void)0) // Disable log
// Static Asserts
#define IM_STATIC_ASSERT(_COND) static_assert(_COND, "")
@ -896,6 +898,19 @@ enum ImGuiPlotType
ImGuiPlotType_Histogram
};
enum ImGuiInputEventType
{
ImGuiInputEventType_None = 0,
ImGuiInputEventType_MousePos,
ImGuiInputEventType_MouseWheel,
ImGuiInputEventType_MouseButton,
ImGuiInputEventType_Key,
ImGuiInputEventType_KeyMods,
ImGuiInputEventType_Char,
ImGuiInputEventType_Focus,
ImGuiInputEventType_COUNT
};
enum ImGuiInputSource
{
ImGuiInputSource_None = 0,
@ -907,6 +922,34 @@ enum ImGuiInputSource
ImGuiInputSource_COUNT
};
// FIXME: Structures in the union below need to be declared as anonymous unions appears to be an extension?
// Using ImVec2() would fail on Clang 'union member 'MousePos' has a non-trivial default constructor'
struct ImGuiInputEventMousePos { float PosX, PosY; };
struct ImGuiInputEventMouseWheel { float WheelX, WheelY; };
struct ImGuiInputEventMouseButton { int Button; bool Down; };
struct ImGuiInputEventKey { ImGuiKey Key; bool Down; };
struct ImGuiInputEventKeyMods { ImGuiKeyModFlags Mods; };
struct ImGuiInputEventText { unsigned int Char; };
struct ImGuiInputEventAppFocused { bool Focused; };
struct ImGuiInputEvent
{
ImGuiInputEventType Type;
ImGuiInputSource Source;
union
{
ImGuiInputEventMousePos MousePos; // if Type == ImGuiInputEventType_MousePos
ImGuiInputEventMouseWheel MouseWheel; // if Type == ImGuiInputEventType_MouseWheel
ImGuiInputEventMouseButton MouseButton; // if Type == ImGuiInputEventType_MouseButton
ImGuiInputEventKey Key; // if Type == ImGuiInputEventType_Key
ImGuiInputEventKeyMods KeyMods; // if Type == ImGuiInputEventType_Modifiers
ImGuiInputEventText Text; // if Type == ImGuiInputEventType_Text
ImGuiInputEventAppFocused AppFocused; // if Type == ImGuiInputEventType_Focus
};
ImGuiInputEvent() { memset(this, 0, sizeof(*this)); }
};
// FIXME-NAV: Clarify/expose various repeat delay/rate
enum ImGuiInputReadMode
{
@ -1498,6 +1541,8 @@ struct ImGuiContext
bool Initialized;
bool FontAtlasOwnedByContext; // IO.Fonts-> is owned by the ImGuiContext and will be destructed along with it.
ImGuiIO IO;
ImVector<ImGuiInputEvent> InputEventsQueue; // Input events which will be tricked/written into IO structure.
ImVector<ImGuiInputEvent> InputEventsTrail; // Past input events processed in NewFrame(). This is to allow domain-specific application to access e.g mouse/pen trail.
ImGuiStyle Style;
ImFont* Font; // (Shortcut) == FontStack.empty() ? IO.Font : FontStack.back()
float FontSize; // (Shortcut) == FontBaseSize * g.CurrentWindow->FontWindowScale == window->FontSize(). Text height for current window.
@ -2453,6 +2498,7 @@ namespace ImGui
IMGUI_API void Shutdown(ImGuiContext* context); // Since 1.60 this is a _private_ function. You can call DestroyContext() to destroy the context created by CreateContext().
// NewFrame
IMGUI_API void UpdateInputEvents(bool trickle_fast_inputs);
IMGUI_API void UpdateHoveredWindowAndCaptureFlags();
IMGUI_API void StartMouseMovingWindow(ImGuiWindow* window);
IMGUI_API void UpdateMouseMovingWindowNewFrame();