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Demo: extra comments and example for PushItemWidth(-1)

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This commit is contained in:
ocornut 2016-01-06 01:24:49 +01:00
parent 49fb7364b5
commit bf6f6ba858
1 changed files with 15 additions and 6 deletions
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21
imgui_demo.cpp
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@ -223,8 +223,7 @@ void ImGui::ShowTestWindow(bool* p_opened)
if (ImGui::TreeNode("Fonts", "Fonts (%d)", ImGui::GetIO().Fonts->Fonts.Size)) if (ImGui::TreeNode("Fonts", "Fonts (%d)", ImGui::GetIO().Fonts->Fonts.Size))
{ {
ImGui::SameLine(); ImGui::SameLine(); ShowHelpMarker("Tip: Load fonts with io.Fonts->AddFontFromFileTTF()\nbefore calling io.Fonts->GetTex* functions.");
ShowHelpMarker("Tip: Load fonts with io.Fonts->AddFontFromFileTTF()\nbefore calling io.Fonts->GetTex* functions.");
ImFontAtlas* atlas = ImGui::GetIO().Fonts; ImFontAtlas* atlas = ImGui::GetIO().Fonts;
if (ImGui::TreeNode("Atlas texture", "Atlas texture (%dx%d pixels)", atlas->TexWidth, atlas->TexHeight)) if (ImGui::TreeNode("Atlas texture", "Atlas texture (%dx%d pixels)", atlas->TexWidth, atlas->TexHeight))
{ {
@ -812,26 +811,36 @@ void ImGui::ShowTestWindow(bool* p_opened)
if (ImGui::TreeNode("Widgets Width")) if (ImGui::TreeNode("Widgets Width"))
{ {
static float f = 0.0f; static float f = 0.0f;
ImGui::Text("PushItemWidth(100)"); ImGui::Text("PushItemWidth(100)");
ImGui::SameLine(); ShowHelpMarker("Fixed width.");
ImGui::PushItemWidth(100); ImGui::PushItemWidth(100);
ImGui::DragFloat("float##1", &f); ImGui::DragFloat("float##1", &f);
ImGui::PopItemWidth(); ImGui::PopItemWidth();
ImGui::Text("PushItemWidth(GetWindowWidth() * 0.5f);"); ImGui::Text("PushItemWidth(GetWindowWidth() * 0.5f)");
ImGui::SameLine(); ShowHelpMarker("Half of window width.");
ImGui::PushItemWidth(ImGui::GetWindowWidth() * 0.5f); ImGui::PushItemWidth(ImGui::GetWindowWidth() * 0.5f);
ImGui::DragFloat("float##2", &f); ImGui::DragFloat("float##2", &f);
ImGui::PopItemWidth(); ImGui::PopItemWidth();
ImGui::Text("PushItemWidth(GetContentRegionAvailWidth() * 0.5f);"); ImGui::Text("PushItemWidth(GetContentRegionAvailWidth() * 0.5f)");
ImGui::SameLine(); ShowHelpMarker("Half of available width.\n(~ right-cursor_pos)\n(works within a column set)");
ImGui::PushItemWidth(ImGui::GetContentRegionAvailWidth() * 0.5f); ImGui::PushItemWidth(ImGui::GetContentRegionAvailWidth() * 0.5f);
ImGui::DragFloat("float##3", &f); ImGui::DragFloat("float##3", &f);
ImGui::PopItemWidth(); ImGui::PopItemWidth();
ImGui::Text("PushItemWidth(-100);"); ImGui::Text("PushItemWidth(-100)");
ImGui::SameLine(); ShowHelpMarker("Align to right edge minus 100");
ImGui::PushItemWidth(-100); ImGui::PushItemWidth(-100);
ImGui::DragFloat("float##4", &f); ImGui::DragFloat("float##4", &f);
ImGui::PopItemWidth(); ImGui::PopItemWidth();
ImGui::Text("PushItemWidth(-1)");
ImGui::SameLine(); ShowHelpMarker("Align to right edge");
ImGui::PushItemWidth(-1);
ImGui::DragFloat("float##5", &f);
ImGui::PopItemWidth();
ImGui::TreePop(); ImGui::TreePop();
} }