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IO: added AddMouseViewportEvent() + used in backends.

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ocornut
2022-01-18 17:24:59 +01:00
parent 1338eb31f7
commit e278277d53
8 changed files with 48 additions and 22 deletions
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5
imgui.h
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@ -1611,7 +1611,7 @@ enum ImGuiBackendFlags_
// [BETA] Viewports
ImGuiBackendFlags_PlatformHasViewports = 1 << 10, // Backend Platform supports multiple viewports.
ImGuiBackendFlags_HasMouseHoveredViewport=1 << 11, // Backend Platform supports setting io.MouseHoveredViewport to the viewport directly under the mouse. IF POSSIBLE, ignore viewports with the ImGuiViewportFlags_NoInputs flag (Win32 backend, GLFW 3.30+ backend can do this, SDL backend cannot). If this cannot be done, Dear ImGui needs to use a flawed heuristic to find the viewport under.
ImGuiBackendFlags_HasMouseHoveredViewport=1 << 11, // Backend Platform supports calling io.AddMouseViewportEvent() with the viewport under the mouse. IF POSSIBLE, ignore viewports with the ImGuiViewportFlags_NoInputs flag (Win32 backend, GLFW 3.30+ backend can do this, SDL backend cannot). If this cannot be done, Dear ImGui needs to use a flawed heuristic to find the viewport under.
ImGuiBackendFlags_RendererHasViewports = 1 << 12 // Backend Renderer supports multiple viewports.
};
@ -2076,7 +2076,7 @@ struct ImGuiIO
bool MouseDown[5]; // Mouse buttons: 0=left, 1=right, 2=middle + extras (ImGuiMouseButton_COUNT == 5). Dear ImGui mostly uses left and right buttons. Others buttons allows us to track if the mouse is being used by your application + available to user as a convenience via IsMouse** API.
float MouseWheel; // Mouse wheel Vertical: 1 unit scrolls about 5 lines text.
float MouseWheelH; // Mouse wheel Horizontal. Most users don't have a mouse with an horizontal wheel, may not be filled by all backends.
ImGuiID MouseHoveredViewport; // (Optional) With multi-viewports: viewport the OS mouse is hovering. If possible _IGNORING_ viewports with the ImGuiViewportFlags_NoInputs flag is much better (few backends can handle that). Set io.BackendFlags |= ImGuiBackendFlags_HasMouseHoveredViewport if you can provide this info. If you don't imgui will infer the value using the rectangles and last focused time of the viewports it knows about (ignoring other OS windows).
ImGuiID MouseHoveredViewport; // (Optional) Modify using io.AddMouseViewportEvent(). With multi-viewports: viewport the OS mouse is hovering. If possible _IGNORING_ viewports with the ImGuiViewportFlags_NoInputs flag is much better (few backends can handle that). Set io.BackendFlags |= ImGuiBackendFlags_HasMouseHoveredViewport if you can provide this info. If you don't imgui will infer the value using the rectangles and last focused time of the viewports it knows about (ignoring other OS windows).
bool KeyCtrl; // Keyboard modifier down: Control
bool KeyShift; // Keyboard modifier down: Shift
bool KeyAlt; // Keyboard modifier down: Alt
@ -2089,6 +2089,7 @@ struct ImGuiIO
IMGUI_API void AddMousePosEvent(float x, float y); // Queue a mouse position update. Use -FLT_MAX,-FLT_MAX to signify no mouse (e.g. app not focused and not hovered)
IMGUI_API void AddMouseButtonEvent(int button, bool down); // Queue a mouse button change
IMGUI_API void AddMouseWheelEvent(float wh_x, float wh_y); // Queue a mouse wheel update
IMGUI_API void AddMouseViewportEvent(ImGuiID id); // Queue a mouse hovered viewport. Requires backend to set ImGuiBackendFlags_HasMouseHoveredViewport to call this.
IMGUI_API void AddFocusEvent(bool focused); // Queue an hosting application/platform windows gain or loss of focus
IMGUI_API void AddInputCharacter(unsigned int c); // Queue new character input
IMGUI_API void AddInputCharacterUTF16(ImWchar16 c); // Queue new character input from an UTF-16 character, it can be a surrogate