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Scrollbar: added io.ConfigScrollbarScrollByPage setting. (#8002, #7328)

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ocornut
2024-09-20 18:40:32 +02:00
parent a727332e77
commit fb410463e6
6 changed files with 13 additions and 7 deletions
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7
imgui_widgets.cpp
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@@ -999,9 +999,10 @@ bool ImGui::ScrollbarEx(const ImRect& bb_frame, ImGuiID id, ImGuiAxis axis, ImS6
const int held_dir = (clicked_v_norm < grab_v_norm) ? -1 : (clicked_v_norm > grab_v_norm + grab_h_norm) ? +1 : 0;
if (g.ActiveIdIsJustActivated)
{
// On initial click calculate the distance between mouse and the center of the grab
g.ScrollbarSeekMode = g.IO.KeyShift ? 0 : (short)held_dir;
g.ScrollbarClickDeltaToGrabCenter = (g.ScrollbarSeekMode == 0 && !g.IO.KeyShift) ? clicked_v_norm - grab_v_norm - grab_h_norm * 0.5f : 0.0f;
// On initial click when held_dir == 0 (clicked over grab): calculate the distance between mouse and the center of the grab
const bool scroll_to_clicked_location = (g.IO.ConfigScrollbarScrollByPage == false || g.IO.KeyShift || held_dir == 0);
g.ScrollbarSeekMode = scroll_to_clicked_location ? 0 : (short)held_dir;
g.ScrollbarClickDeltaToGrabCenter = (held_dir == 0 && !g.IO.KeyShift) ? clicked_v_norm - grab_v_norm - grab_h_norm * 0.5f : 0.0f;
}
// Apply scroll (p_scroll_v will generally point on one member of window->Scroll)