91 lines
2.6 KiB
C++
91 lines
2.6 KiB
C++
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#include "pch.h"
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#include "CustomWidgets.h"
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// Checkbox with support for hints, disable
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bool CustomWidgets::Checkbox(const char * label, bool *v, const char * hint, bool is_disabled)
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{
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// set things up
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bool pressed = false;
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const ImGuiStyle& style = ImGui::GetStyle();
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const ImVec2 text_size = ImGui::CalcTextSize(label, NULL, true);
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float square_sz = ImGui::GetFrameHeight();
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ImDrawList *drawlist = ImGui::GetWindowDrawList();
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ImU32 color = ImGui::GetColorU32(ImGuiCol_FrameBg);
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std::string slabel = "##InvCheckboxBtn" + std::string(label);
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if (is_disabled)
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ImGui::PushStyleVar(ImGuiStyleVar_Alpha, ImGui::GetStyle().Alpha * 0.5f);
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// process the button states
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if (ImGui::InvisibleButton(slabel.c_str(), ImVec2(square_sz, square_sz)) && !is_disabled)
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{
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pressed = true;
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*v = !*v;
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}
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if (ImGui::IsItemHovered() && !is_disabled)
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color = ImGui::GetColorU32(ImGuiCol_FrameBgHovered);
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// draw the button
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ImVec2 min = ImGui::GetItemRectMin();
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ImVec2 max = ImGui::GetItemRectMax();
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drawlist->AddRectFilled(min, max, color);
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int pad = int(square_sz / 6.0);
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pad = (pad < 1) ? 1 : pad;
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if (*v)
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{ // draw the checkmark
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float sz = (square_sz - pad * 2.0);
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float thickness = sz / 5.0;
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thickness = (thickness < 1.0) ? 1.0 : thickness;
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sz = sz - thickness * 0.5;
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ImVec2 pos = ImVec2(min.x + pad, min.y + pad);
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pos.x = pos.x + thickness * 0.25;
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pos.y = pos.y + thickness * 0.25;
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float third = sz / 3.0;
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float bx = pos.x + third;
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float by = pos.y + sz - third * 0.5;
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drawlist->PathLineTo(ImVec2(bx - third, by - third));
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drawlist->PathLineTo(ImVec2(bx, by));
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drawlist->PathLineTo(ImVec2(bx + third * 2.0, by - third * 2.0));
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drawlist->PathStroke(ImGui::GetColorU32(ImGuiCol_CheckMark), false, thickness);
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}
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// draw label
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ImGui::SameLine(0, style.ItemInnerSpacing.x);
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if (ImGui::InvisibleButton(label, ImVec2(ImGui::CalcTextSize(label, NULL, true).x, square_sz)) && !is_disabled)
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{
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pressed = true;
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*v = !*v;
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}
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min = ImGui::GetItemRectMin();
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drawlist->AddText(ImVec2(min.x, min.y + style.ItemInnerSpacing.y), ImGui::GetColorU32(ImGuiCol_Text), label);
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// draw hint
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if (hint != nullptr)
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{
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ImGui::SameLine(0, style.ItemInnerSpacing.x);
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ImGui::InvisibleButton("?", ImGui::CalcTextSize("?", NULL, true));
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min = ImGui::GetItemRectMin();
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drawlist->AddText(ImVec2(min.x, min.y + style.ItemInnerSpacing.y), ImGui::GetColorU32(ImGuiCol_TextDisabled), "?");
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if (ImGui::IsItemHovered() && !is_disabled)
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{
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ImGui::BeginTooltip();
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ImGui::Text(hint);
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ImGui::Spacing();
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ImGui::EndTooltip();
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}
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}
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if (is_disabled)
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ImGui::PopStyleVar();
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return pressed;
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}
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