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Added ImGui::GetItemActiveDragDelta() helpers for drag operations

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This commit is contained in:
ocornut 2015-03-18 10:41:46 +00:00
parent 215b0065e3
commit e10d648a28
2 changed files with 15 additions and 3 deletions
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11
imgui.cpp
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@ -2551,6 +2551,17 @@ bool ImGui::IsAnyItemActive()
return g.ActiveId != 0; return g.ActiveId != 0;
} }
ImVec2 ImGui::GetItemActiveDragDelta()
{
if (ImGui::IsItemActive())
{
ImGuiState& g = *GImGui;
if (g.IO.MouseDown[0])
return g.IO.MousePos - g.IO.MouseClickedPos[0]; // Assume we can only get active with left-mouse button (at the moment).
}
return ImVec2(0.0f, 0.0f);
}
ImVec2 ImGui::GetItemRectMin() ImVec2 ImGui::GetItemRectMin()
{ {
ImGuiWindow* window = GetCurrentWindow(); ImGuiWindow* window = GetCurrentWindow();

7
imgui.h
View File

@ -354,12 +354,13 @@ namespace ImGui
IMGUI_API bool IsItemHovered(); // was the last item hovered by mouse? IMGUI_API bool IsItemHovered(); // was the last item hovered by mouse?
IMGUI_API bool IsItemActive(); // was the last item active? (e.g. button being held, text field being edited- items that don't interact will always return false) IMGUI_API bool IsItemActive(); // was the last item active? (e.g. button being held, text field being edited- items that don't interact will always return false)
IMGUI_API bool IsAnyItemActive(); // IMGUI_API bool IsAnyItemActive(); //
IMGUI_API bool IsWindowFocused(); // is current window focused (differentiate child windows from each others) IMGUI_API ImVec2 GetItemActiveDragDelta(); // mouse delta from the time the item first got active
IMGUI_API bool IsRootWindowFocused(); // is current root window focused
IMGUI_API bool IsRootWindowOrAnyChildFocused(); // is current root window or any of its child (including current window) focused
IMGUI_API ImVec2 GetItemRectMin(); // get bounding rect of last item IMGUI_API ImVec2 GetItemRectMin(); // get bounding rect of last item
IMGUI_API ImVec2 GetItemRectMax(); // " IMGUI_API ImVec2 GetItemRectMax(); // "
IMGUI_API ImVec2 GetItemRectSize(); // " IMGUI_API ImVec2 GetItemRectSize(); // "
IMGUI_API bool IsWindowFocused(); // is current window focused (differentiate child windows from each others)
IMGUI_API bool IsRootWindowFocused(); // is current root window focused
IMGUI_API bool IsRootWindowOrAnyChildFocused(); // is current root window or any of its child (including current window) focused
IMGUI_API bool IsClipped(const ImVec2& item_size); // to perform coarse clipping on user's side (as an optimization) IMGUI_API bool IsClipped(const ImVec2& item_size); // to perform coarse clipping on user's side (as an optimization)
IMGUI_API bool IsKeyPressed(int key_index, bool repeat = true); // key_index into the keys_down[512] array, imgui doesn't know the semantic of each entry IMGUI_API bool IsKeyPressed(int key_index, bool repeat = true); // key_index into the keys_down[512] array, imgui doesn't know the semantic of each entry
IMGUI_API bool IsMouseClicked(int button, bool repeat = false); IMGUI_API bool IsMouseClicked(int button, bool repeat = false);