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Added SetScrollXHere, SetScrollFromPosX: Changelog, demo, comments (#1580).

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omar
2019-07-01 12:15:36 +02:00
parent caf119a982
commit da29d77253
4 changed files with 66 additions and 27 deletions
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18
imgui.cpp
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@ -6857,15 +6857,6 @@ void ImGui::SetScrollY(float scroll_y)
window->ScrollTargetCenterRatio.y = 0.0f;
}
void ImGui::SetScrollFromPosY(float local_y, float center_y_ratio)
{
// We store a target position so centering can occur on the next frame when we are guaranteed to have a known window size
ImGuiWindow* window = GetCurrentWindow();
IM_ASSERT(center_y_ratio >= 0.0f && center_y_ratio <= 1.0f);
window->ScrollTarget.y = (float)(int)(local_y + window->Scroll.y);
window->ScrollTargetCenterRatio.y = center_y_ratio;
}
void ImGui::SetScrollFromPosX(float local_x, float center_x_ratio)
{
// We store a target position so centering can occur on the next frame when we are guaranteed to have a known window size
@ -6875,6 +6866,15 @@ void ImGui::SetScrollFromPosX(float local_x, float center_x_ratio)
window->ScrollTargetCenterRatio.x = center_x_ratio;
}
void ImGui::SetScrollFromPosY(float local_y, float center_y_ratio)
{
// We store a target position so centering can occur on the next frame when we are guaranteed to have a known window size
ImGuiWindow* window = GetCurrentWindow();
IM_ASSERT(center_y_ratio >= 0.0f && center_y_ratio <= 1.0f);
window->ScrollTarget.y = (float)(int)(local_y + window->Scroll.y);
window->ScrollTargetCenterRatio.y = center_y_ratio;
}
// center_x_ratio: 0.0f left of last item, 0.5f horizontal center of last item, 1.0f right of last item.
void ImGui::SetScrollHereX(float center_x_ratio)
{