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ImGuiListClipper: internal rework and tidying up to facilitate supporting frozen rows in tables + stop promoting using constructors parameters.

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This commit is contained in:
ocornut
2020-09-24 18:08:01 +02:00
committed by omar
parent 324e0310ad
commit 52c0b1a340
4 changed files with 99 additions and 52 deletions
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9
imgui_demo.cpp
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@ -3340,7 +3340,8 @@ static void ShowDemoWindowColumns()
ImGui::BeginChild("##ScrollingRegion", child_size, false, ImGuiWindowFlags_HorizontalScrollbar);
ImGui::Columns(10);
int ITEMS_COUNT = 2000;
ImGuiListClipper clipper(ITEMS_COUNT); // Also demonstrate using the clipper for large list
ImGuiListClipper clipper; // Also demonstrate using the clipper for large list
clipper.Begin(ITEMS_COUNT);
while (clipper.Step())
{
for (int i = clipper.DisplayStart; i < clipper.DisplayEnd; i++)
@ -4330,7 +4331,8 @@ struct ExampleAppConsole
// To use the clipper we can replace your standard loop:
// for (int i = 0; i < Items.Size; i++)
// With:
// ImGuiListClipper clipper(Items.Size);
// ImGuiListClipper clipper;
// clipper.Begin(Items.Size);
// while (clipper.Step())
// for (int i = clipper.DisplayStart; i < clipper.DisplayEnd; i++)
// - That your items are evenly spaced (same height)
@ -4897,7 +4899,8 @@ static void ShowExampleAppLongText(bool* p_open)
{
// Multiple calls to Text(), manually coarsely clipped - demonstrate how to use the ImGuiListClipper helper.
ImGui::PushStyleVar(ImGuiStyleVar_ItemSpacing, ImVec2(0, 0));
ImGuiListClipper clipper(lines);
ImGuiListClipper clipper;
clipper.Begin(lines);
while (clipper.Step())
for (int i = clipper.DisplayStart; i < clipper.DisplayEnd; i++)
ImGui::Text("%i The quick brown fox jumps over the lazy dog", i);