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Inputs: added IsMouseReleasedWithDelay() helper. (#8337, #8320)

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ocornut 2025-01-22 11:28:47 +01:00
parent d17e9fc107
commit fdca6c08ad
4 changed files with 23 additions and 0 deletions
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13
imgui.cpp
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@ -9210,6 +9210,17 @@ bool ImGui::IsMouseReleased(ImGuiMouseButton button, ImGuiID owner_id)
return g.IO.MouseReleased[button] && TestKeyOwner(MouseButtonToKey(button), owner_id); // Should be same as IsKeyReleased(MouseButtonToKey(button), owner_id)
}
// Use if you absolutely need to distinguish single-click from double-click by introducing a delay.
// Generally use with 'delay >= io.MouseDoubleClickTime' + combined with a 'io.MouseClickedLastCount == 1' test.
// This is a very rarely used UI idiom, but some apps use this: e.g. MS Explorer single click on an icon to rename.
bool ImGui::IsMouseReleasedWithDelay(ImGuiMouseButton button, float delay)
{
ImGuiContext& g = *GImGui;
IM_ASSERT(button >= 0 && button < IM_ARRAYSIZE(g.IO.MouseDown));
const float time_since_release = (float)(g.Time - g.IO.MouseReleasedTime[button]);
return !IsMouseDown(button) && (time_since_release - g.IO.DeltaTime < delay) && (time_since_release >= delay);
}
bool ImGui::IsMouseDoubleClicked(ImGuiMouseButton button)
{
ImGuiContext& g = *GImGui;
@ -9483,6 +9494,8 @@ static void ImGui::UpdateMouseInputs()
io.MouseClicked[i] = io.MouseDown[i] && io.MouseDownDuration[i] < 0.0f;
io.MouseClickedCount[i] = 0; // Will be filled below
io.MouseReleased[i] = !io.MouseDown[i] && io.MouseDownDuration[i] >= 0.0f;
if (io.MouseReleased[i])
io.MouseReleasedTime[i] = g.Time;
io.MouseDownDurationPrev[i] = io.MouseDownDuration[i];
io.MouseDownDuration[i] = io.MouseDown[i] ? (io.MouseDownDuration[i] < 0.0f ? 0.0f : io.MouseDownDuration[i] + io.DeltaTime) : -1.0f;
if (io.MouseClicked[i])