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рендеришь начало граба не с grab_bb.Min а с frame_bb.Min
вот мой код слайдера
bool ImGui::SliderScalar(const char* label, ImGuiDataType data_type, void* p_data, const void* p_min, const void* p_max, const char* format, ImGuiSliderFlags flags)
{
ImGuiWindow* window = GetCurrentWindow();
if (window->SkipItems)
return false;
ImGuiContext& g = *GImGui;
const ImGuiStyle& style = g.Style;
const ImGuiID id = window->GetID(label);
const float w = CalcItemWidth();
const ImVec2 label_size = CalcTextSize(label, NULL, true);
const ImRect frame_bb(window->DC.CursorPos, window->DC.CursorPos + ImVec2(w, label_size.y + style.FramePadding.y * 2.0f));
const ImRect total_bb(frame_bb.Min, frame_bb.Max + ImVec2(label_size.x > 0.0f ? style.ItemInnerSpacing.x + label_size.x : 0.0f, 0.0f));
const bool temp_input_allowed = (flags & ImGuiSliderFlags_NoInput) == 0;
ItemSize(total_bb, style.FramePadding.y);
if (!ItemAdd(total_bb, id, &frame_bb, temp_input_allowed ? ImGuiItemFlags_Inputable : 0))
return false;
// Default format string when passing NULL
if (format == NULL)
format = DataTypeGetInfo(data_type)->PrintFmt;
else if (data_type == ImGuiDataType_S32 && strcmp(format, "%d") != 0) // (FIXME-LEGACY: Patch old "%.0f" format string to use "%d", read function more details.)
format = PatchFormatStringFloatToInt(format);
const bool hovered = ItemHoverable(frame_bb, id);
bool temp_input_is_active = temp_input_allowed && TempInputIsActive(id);
if (!temp_input_is_active)
{
// Tabbing or CTRL-clicking on Slider turns it into an input box
const bool input_requested_by_tabbing = temp_input_allowed && (g.LastItemData.StatusFlags & ImGuiItemStatusFlags_FocusedByTabbing) != 0;
const bool clicked = (hovered && g.IO.MouseClicked[0]);
const bool make_active = (input_requested_by_tabbing || clicked || g.NavActivateId == id || g.NavActivateInputId == id);
if (make_active && temp_input_allowed)
if (input_requested_by_tabbing || (clicked && g.IO.KeyCtrl) || g.NavActivateInputId == id)
temp_input_is_active = true;
if (make_active && !temp_input_is_active)
{
SetActiveID(id, window);
SetFocusID(id, window);
FocusWindow(window);
g.ActiveIdUsingNavDirMask |= (1 << ImGuiDir_Left) | (1 << ImGuiDir_Right);
}
}
if (temp_input_is_active)
{
// Only clamp CTRL+Click input when ImGuiSliderFlags_AlwaysClamp is set
const bool is_clamp_input = (flags & ImGuiSliderFlags_AlwaysClamp) != 0;
return TempInputScalar(frame_bb, id, label, data_type, p_data, format, is_clamp_input ? p_min : NULL, is_clamp_input ? p_max : NULL);
}
// Draw frame
const ImU32 frame_col = GetColorU32(g.ActiveId == id ? ImGuiCol_FrameBgActive : hovered ? ImGuiCol_FrameBgHovered : ImGuiCol_FrameBg);
RenderNavHighlight(frame_bb, id);
RenderFrame(frame_bb.Min, frame_bb.Max, frame_col, true, g.Style.FrameRounding);
// Slider behavior
ImRect grab_bb;
const bool value_changed = SliderBehavior(frame_bb, id, data_type, p_data, p_min, p_max, format, flags, &grab_bb);
if (value_changed)
MarkItemEdited(id);
// Render grab
if (grab_bb.Max.x > grab_bb.Min.x)
window->DrawList->AddRectFilled(grab_bb.Min, grab_bb.Max, GetColorU32(g.ActiveId == id ? ImGuiCol_SliderGrabActive : ImGuiCol_SliderGrab), style.GrabRounding);
// Display value using user-provided display format so user can add prefix/suffix/decorations to the value.
char value_buf[64];
const char* value_buf_end = value_buf + DataTypeFormatString(value_buf, IM_ARRAYSIZE(value_buf), data_type, p_data, format);
if (g.LogEnabled)
LogSetNextTextDecoration("{", "}");
RenderTextClipped(frame_bb.Min, frame_bb.Max, value_buf, value_buf_end, NULL, ImVec2(0.5f, 0.5f));
if (label_size.x > 0.0f)
RenderText(ImVec2(frame_bb.Max.x + style.ItemInnerSpacing.x, frame_bb.Min.y + style.FramePadding.y), label);
IMGUI_TEST_ENGINE_ITEM_INFO(id, label, g.LastItemData.StatusFlags);
return value_changed;
} // Render grab
if (grab_bb.Max.x > grab_bb.Min.x)
window->DrawList->AddRectFilled(grab_bb.Min, grab_bb.Max, GetColorU32(g.ActiveId == id ? ImGuiCol_SliderGrabActive : ImGuiCol_SliderGrab), style.GrabRounding); // Render grab
if (grab_bb.Max.x > grab_bb.Min.x)
window->DrawList->AddRectFilled(frame_bb.Min, grab_bb.Max, GetColorU32(g.ActiveId == id ? ImGuiCol_SliderGrabActive : ImGuiCol_SliderGrab), style.GrabRounding);Разобрался, а с чекбоксом еще нет
bool ImGui::Checkbox(const char* label, bool* v)
{
ImGuiWindow* window = GetCurrentWindow();
if (window->SkipItems)
return false;
ImGuiContext& g = *GImGui;
const ImGuiStyle& style = g.Style;
const ImGuiID id = window->GetID(label);
const ImVec2 label_size = CalcTextSize(label, NULL, true);
const float square_sz = GetFrameHeight();
const ImVec2 pos = window->DC.CursorPos;
const ImRect total_bb(pos, pos + ImVec2(square_sz + (label_size.x > 0.0f ? style.ItemInnerSpacing.x + label_size.x : 0.0f), label_size.y + style.FramePadding.y * 2.0f));
ItemSize(total_bb, style.FramePadding.y);
if (!ItemAdd(total_bb, id))
{
IMGUI_TEST_ENGINE_ITEM_INFO(id, label, g.LastItemData.StatusFlags | ImGuiItemStatusFlags_Checkable | (*v ? ImGuiItemStatusFlags_Checked : 0));
return false;
}
bool hovered, held;
bool pressed = ButtonBehavior(total_bb, id, &hovered, &held);
if (pressed)
{
*v = !(*v);
MarkItemEdited(id);
}
const ImRect check_bb(pos, pos + ImVec2(square_sz, square_sz));
RenderNavHighlight(total_bb, id);
RenderFrame(check_bb.Min, check_bb.Max, GetColorU32((held && hovered) ? ImGuiCol_FrameBgActive : hovered ? ImGuiCol_FrameBgHovered : ImGuiCol_FrameBg), true, style.FrameRounding);
ImU32 check_col = GetColorU32(ImGuiCol_CheckMark);
bool mixed_value = (g.LastItemData.InFlags & ImGuiItemFlags_MixedValue) != 0;
if (mixed_value)
{
// Undocumented tristate/mixed/indeterminate checkbox (#2644)
// This may seem awkwardly designed because the aim is to make ImGuiItemFlags_MixedValue supported by all widgets (not just checkbox)
ImVec2 pad(ImMax(1.0f, IM_FLOOR(square_sz / 3.6f)), ImMax(1.0f, IM_FLOOR(square_sz / 3.6f)));
window->DrawList->AddRectFilled(check_bb.Min + pad, check_bb.Max - pad, check_col, style.FrameRounding);
}
else if (*v)
{
const float pad = ImMax(1.0f, IM_FLOOR(square_sz / 6.0f));
RenderCheckMark(window->DrawList, check_bb.Min + ImVec2(pad, pad), check_col, square_sz - pad * 2.0f);
}
ImVec2 label_pos = ImVec2(check_bb.Max.x + style.ItemInnerSpacing.x, check_bb.Min.y + style.FramePadding.y);
if (g.LogEnabled)
LogRenderedText(&label_pos, mixed_value ? "[~]" : *v ? "[x]" : "[ ]");
if (label_size.x > 0.0f)
RenderText(label_pos, label);
IMGUI_TEST_ENGINE_ITEM_INFO(id, label, g.LastItemData.StatusFlags | ImGuiItemStatusFlags_Checkable | (*v ? ImGuiItemStatusFlags_Checked : 0));
return pressed;
}в стилях меняй GrabRounding
// Render grab
if (grab_bb.Max.x > grab_bb.Min.x)
window->DrawList->AddRectFilled(frame_bb.Min + ImVec2(1, 1), grab_bb.Max + ImVec2(1, 1), GetColorU32(g.ActiveId == id ? ImGuiCol_SliderGrabActive : ImGuiCol_SliderGrab), style.GrabRounding);