Drezil/imgui
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Internals: Minor no-op tidying up toward solving the WindowPadding / WindowBorderSize / ScrollbarSize overlapping mess.

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+ Demo: Use SetScrollY().
This commit is contained in:
omar
2019-06-04 16:22:47 +02:00
parent 4149d22e85
commit 15282261dd
3 changed files with 39 additions and 21 deletions
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29
imgui_demo.cpp
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@ -2059,14 +2059,21 @@ static void ShowDemoWindowLayout()
HelpMarker("Use SetScrollHereY() or SetScrollFromPosY() to scroll to a given position.");
static bool track = true;
static int track_line = 50, scroll_to_px = 200;
static int track_line = 50;
static float scroll_to_off_px = 0.0f;
static float scroll_to_pos_px = 200.0f;
ImGui::Checkbox("Track", &track);
ImGui::PushItemWidth(100);
ImGui::SameLine(130); track |= ImGui::DragInt("##line", &track_line, 0.25f, 0, 99, "Line = %d");
bool scroll_to = ImGui::Button("Scroll To Pos");
ImGui::SameLine(130); scroll_to |= ImGui::DragInt("##pos_y", &scroll_to_px, 1.00f, 0, 9999, "Y = %d px");
ImGui::SameLine(140); track |= ImGui::DragInt("##line", &track_line, 0.25f, 0, 99, "Line = %d");
bool scroll_to_off = ImGui::Button("Scroll Offset");
ImGui::SameLine(140); scroll_to_off |= ImGui::DragFloat("##off_y", &scroll_to_off_px, 1.00f, 0, 9999, "+%.0f px");
bool scroll_to_pos = ImGui::Button("Scroll To Pos");
ImGui::SameLine(140); scroll_to_pos |= ImGui::DragFloat("##pos_y", &scroll_to_pos_px, 1.00f, 0, 9999, "Y = %.0f px");
ImGui::PopItemWidth();
if (scroll_to)
if (scroll_to_off || scroll_to_pos)
track = false;
ImGuiStyle& style = ImGui::GetStyle();
@ -2076,9 +2083,13 @@ static void ShowDemoWindowLayout()
if (i > 0) ImGui::SameLine();
ImGui::BeginGroup();
ImGui::Text("%s", i == 0 ? "Top" : i == 1 ? "25%" : i == 2 ? "Center" : i == 3 ? "75%" : "Bottom");
ImGui::BeginChild(ImGui::GetID((void*)(intptr_t)i), ImVec2(child_w, 200.0f), true);
if (scroll_to)
ImGui::SetScrollFromPosY(ImGui::GetCursorStartPos().y + scroll_to_px, i * 0.25f);
ImGuiWindowFlags child_flags = ImGuiWindowFlags_MenuBar;
ImGui::BeginChild(ImGui::GetID((void*)(intptr_t)i), ImVec2(child_w, 200.0f), true, child_flags);
if (scroll_to_off)
ImGui::SetScrollY(scroll_to_off_px);
if (scroll_to_pos)
ImGui::SetScrollFromPosY(ImGui::GetCursorStartPos().y + scroll_to_pos_px, i * 0.25f);
for (int line = 0; line < 100; line++)
{
if (track && line == track_line)
@ -2094,7 +2105,7 @@ static void ShowDemoWindowLayout()
float scroll_y = ImGui::GetScrollY();
float scroll_max_y = ImGui::GetScrollMaxY();
ImGui::EndChild();
ImGui::Text("%.0f/%0.f", scroll_y, scroll_max_y);
ImGui::Text("%.0f/%.0f", scroll_y, scroll_max_y);
ImGui::EndGroup();
}
ImGui::TreePop();