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Added Selectable() building block for various list boxes, combo boxes

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ocornut 2015-02-10 19:09:37 +00:00
parent 220d920581
commit c6d42b1a54
2 changed files with 99 additions and 0 deletions
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97
imgui.cpp
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@ -5723,6 +5723,62 @@ bool ImGui::Combo(const char* label, int* current_item, bool (*items_getter)(voi
return value_changed;
}
// Tip: pass an empty label (e.g. "##dummy") then you can use the space to draw other text or image.
// But you need to make sure the ID is unique, e.g. enclose calls in PushID/PopID.
bool ImGui::Selectable(const char* label, bool selected, const ImVec2& size_arg)
{
ImGuiState& g = *GImGui;
ImGuiWindow* window = GetCurrentWindow();
if (window->SkipItems)
return false;
const ImGuiStyle& style = g.Style;
const ImGuiID id = window->GetID(label);
const ImVec2 text_size = CalcTextSize(label, NULL, true);
const float w = window->Pos.x + ImGui::GetContentRegionMax().x - window->DC.CursorPos.x;
const ImVec2 size(size_arg.x != 0.0f ? size_arg.x : w, size_arg.y != 0.0f ? size_arg.y : text_size.y);
const ImGuiAabb bb(window->DC.CursorPos, window->DC.CursorPos + size);
ItemSize(bb);
// Selectables are meant to be tightly packed together. But for both rendering and collision we extend to compensate for spacing.
ImGuiAabb bb_with_spacing = bb;
const float spacing_U = (float)(int)(style.ItemSpacing.y * 0.5f);
const float spacing_D = style.ItemSpacing.y - spacing_U;
const float spacing_L = (float)(int)(style.ItemSpacing.x * 0.5f);
const float spacing_R = style.ItemSpacing.x - spacing_L;
bb_with_spacing.Min.y -= spacing_U;
bb_with_spacing.Min.x -= spacing_L;
bb_with_spacing.Max.y += spacing_D;
bb_with_spacing.Max.x += spacing_R;
if (!ItemAdd(bb_with_spacing, &id))
return false;
bool hovered, held;
bool pressed = ButtonBehaviour(bb_with_spacing, id, &hovered, &held, true, false, false);
// Render
if (hovered || selected)
{
const ImU32 col = window->Color((held && hovered) ? ImGuiCol_HeaderActive : hovered ? ImGuiCol_HeaderHovered : ImGuiCol_Header);
RenderFrame(bb_with_spacing.Min, bb_with_spacing.Max, col, false, style.FrameRounding);
}
//const ImVec2 off = ImVec2(ImMax(0.0f, size.x - text_size.x) * 0.5f, ImMax(0.0f, size.y - text_size.y) * 0.5f);
RenderTextClipped(bb.Min, label, NULL, &text_size, bb.Max);
return pressed;
}
bool ImGui::Selectable(const char* label, bool* p_selected, const ImVec2& size_arg)
{
if (ImGui::Selectable(label, *p_selected, size_arg))
{
*p_selected = !*p_selected;
return true;
}
}
// A little colored square. Return true when clicked.
bool ImGui::ColorButton(const ImVec4& col, bool small_height, bool outline_border)
{
@ -8095,6 +8151,47 @@ void ImGui::ShowTestWindow(bool* opened)
ImGui::TreePop();
}
if (ImGui::TreeNode("Selectables"))
{
if (ImGui::TreeNode("Basic"))
{
static bool selected[3] = { false, true, false };
ImGui::Selectable("1. I am selectable", &selected[0]);
ImGui::Selectable("2. I am selectable", &selected[1]);
ImGui::Text("3. I am normal text");
ImGui::Selectable("4. I am selectable", &selected[2]);
ImGui::TreePop();
}
if (ImGui::TreeNode("Rendering more text into the same block"))
{
static bool selected[3] = { false, false, false };
ImGui::Selectable("main.c", &selected[0]); ImGui::SameLine(300); ImGui::Text(" 2,345 bytes");
ImGui::Selectable("Hello.cpp", &selected[1]); ImGui::SameLine(300); ImGui::Text("12,345 bytes");
ImGui::Selectable("Hello.h", &selected[2]); ImGui::SameLine(300); ImGui::Text(" 2,345 bytes");
ImGui::TreePop();
}
if (ImGui::TreeNode("Grid"))
{
static bool selected[16] = { true, false, false, false, false, true, false, false, false, false, true, false, false, false, false, true };
for (int i = 0; i < 16; i++)
{
ImGui::PushID(i);
if (ImGui::Selectable("Me", &selected[i], ImVec2(50,50)))
{
int x = i % 4, y = i / 4;
if (x > 0) selected[i - 1] ^= 1;
if (x < 3) selected[i + 1] ^= 1;
if (y > 0) selected[i - 4] ^= 1;
if (y < 3) selected[i + 4] ^= 1;
}
if ((i % 4) < 3) ImGui::SameLine();
ImGui::PopID();
}
ImGui::TreePop();
}
ImGui::TreePop();
}
static bool check = true;
ImGui::Checkbox("checkbox", &check);

2
imgui.h
View File

@ -283,6 +283,8 @@ namespace ImGui
IMGUI_API bool Combo(const char* label, int* current_item, const char** items, int items_count, int popup_height_items = 7);
IMGUI_API bool Combo(const char* label, int* current_item, const char* items_separated_by_zeros, int popup_height_items = 7); // separate items with \0, end item-list with \0\0
IMGUI_API bool Combo(const char* label, int* current_item, bool (*items_getter)(void* data, int idx, const char** out_text), void* data, int items_count, int popup_height_items = 7);
IMGUI_API bool Selectable(const char* label, bool selected, const ImVec2& size = ImVec2(0,0));
IMGUI_API bool Selectable(const char* label, bool* p_selected, const ImVec2& size = ImVec2(0,0));
IMGUI_API bool ColorButton(const ImVec4& col, bool small_height = false, bool outline_border = true);
IMGUI_API bool ColorEdit3(const char* label, float col[3]);
IMGUI_API bool ColorEdit4(const char* label, float col[4], bool show_alpha = true);