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Added GetScrollX(), GetScrollX(), GetScrollMaxX() apis + demo (#246)

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This commit is contained in:
ocornut
2015-08-30 18:33:38 +01:00
parent 7a31030978
commit 71026d3655
4 changed files with 53 additions and 18 deletions
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12
imgui_demo.cpp
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@ -912,7 +912,7 @@ void ImGui::ShowTestWindow(bool* opened)
static bool track = true;
static int track_line = 50, scroll_to_px = 200;
ImGui::Checkbox("Track", &track);
ImGui::SameLine(130); track |= ImGui::DragInt("##line", &track_line, 0.25f, 0, 9999, "Line %.0f");
ImGui::SameLine(130); track |= ImGui::DragInt("##line", &track_line, 0.25f, 0, 99, "Line %.0f");
bool scroll_to = ImGui::Button("Scroll To");
ImGui::SameLine(130); scroll_to |= ImGui::DragInt("##pos_y", &scroll_to_px, 1.00f, 0, 9999, "y = %.0f px");
if (scroll_to) track = false;
@ -968,6 +968,16 @@ void ImGui::ShowTestWindow(bool* opened)
}
}
ImGui::EndChild();
float scroll_x_delta = 0.0f;
ImGui::SmallButton("<<"); if (ImGui::IsItemActive()) scroll_x_delta = -ImGui::GetIO().DeltaTime * 1000.0f;
ImGui::SameLine(); ImGui::Text("Scroll from code"); ImGui::SameLine();
ImGui::SmallButton(">>"); if (ImGui::IsItemActive()) scroll_x_delta = +ImGui::GetIO().DeltaTime * 1000.0f;
if (scroll_x_delta != 0.0f)
{
ImGui::BeginChild("scrolling"); // Demonstrate a trick: you can use Begin to set yourself in the context of another window (here we are already out of your child window)
ImGui::SetScrollX(ImGui::GetScrollX() + scroll_x_delta);
ImGui::End();
}
ImGui::TreePop();
}