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Tweaked scrolling example code (#150)

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This commit is contained in:
ocornut 2015-07-02 21:22:16 -06:00
parent 42efc29def
commit 0f9e2f8173
1 changed files with 13 additions and 7 deletions
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20
imgui.cpp
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@ -11508,7 +11508,7 @@ void ImGui::ShowTestWindow(bool* opened)
if (ImGui::TreeNode("Scrolling"))
{
ImGui::TextWrapped("Use SetScrollFromPos() or SetScrollFromCursorPos() to scroll to a given position.");
ImGui::TextWrapped("Use SetScrollHere() or SetScrollFromPosY() to scroll to a given position.");
static bool track = true;
static int track_line = 50, scroll_to_px = 200;
ImGui::Checkbox("Track", &track);
@ -11517,19 +11517,25 @@ void ImGui::ShowTestWindow(bool* opened)
ImGui::SameLine(130); scroll_to |= ImGui::DragInt("##pos_y", &scroll_to_px, 1.00f, 0, 9999, "y = %.0f px");
if (scroll_to) track = false;
for (int i = 0; i < 3; i++)
for (int i = 0; i < 5; i++)
{
if (i > 0) ImGui::SameLine();
ImGui::BeginGroup();
ImGui::Text(i == 0 ? "Top" : i == 1 ? "Center" : "Bottom");
ImGui::BeginChild(ImGui::GetID((void *)i), ImVec2(ImGui::GetWindowWidth() * 0.25f, 200.0f), true);
ImGui::Text("%s", i == 0 ? "Top" : i == 1 ? "25%" : i == 2 ? "Center" : i == 3 ? "75%" : "Bottom");
ImGui::BeginChild(ImGui::GetID((void *)i), ImVec2(ImGui::GetWindowWidth() * 0.17f, 200.0f), true);
if (scroll_to)
ImGui::SetScrollFromPosY(ImGui::GetCursorStartPos().y + scroll_to_px, i * 0.50f);
ImGui::SetScrollFromPosY(ImGui::GetCursorStartPos().y + scroll_to_px, i * 0.25f);
for (int line = 0; line < 100; line++)
{
ImGui::Text("Line %d", line);
if (track && line == track_line)
ImGui::SetScrollHere(i * 0.50f); // 0.0f:top, 0.5f:center, 1.0f:bottom
{
ImGui::TextColored(ImColor(255,255,0), "Line %d", line);
ImGui::SetScrollHere(i * 0.25f); // 0.0f:top, 0.5f:center, 1.0f:bottom
}
else
{
ImGui::Text("Line %d", line);
}
}
ImGui::EndChild();
ImGui::EndGroup();