Slider: don't call RenderText() on empty label.

This commit is contained in:
ocornut 2015-04-02 22:39:37 +01:00
parent 74f2e53b3b
commit 153db91917

View File

@ -5230,14 +5230,15 @@ bool ImGui::SliderFloat(const char* label, float* v, float v_min, float v_max, c
ItemSize(total_bb, style.FramePadding.y);
// Actual slider behavior + render grab
bool value_changed = SliderBehavior(frame_bb, inner_bb, id, v, v_min, v_max, power, decimal_precision, true);
const bool value_changed = SliderBehavior(frame_bb, inner_bb, id, v, v_min, v_max, power, decimal_precision, true);
// Display value using user-provided display format so user can add prefix/suffix/decorations to the value.
char value_buf[64];
char* value_buf_end = value_buf + ImFormatString(value_buf, IM_ARRAYSIZE(value_buf), display_format, *v);
const char* value_buf_end = value_buf + ImFormatString(value_buf, IM_ARRAYSIZE(value_buf), display_format, *v);
const ImVec2 value_text_size = CalcTextSize(value_buf, value_buf_end, true);
RenderTextClipped(ImVec2(ImMax(frame_bb.Min.x + style.FramePadding.x, inner_bb.GetCenter().x - value_text_size.x*0.5f), frame_bb.Min.y + style.FramePadding.y), value_buf, value_buf_end, &value_text_size, frame_bb.Max);
if (label_size.x > 0.0f)
RenderText(ImVec2(frame_bb.Max.x + style.ItemInnerSpacing.x, inner_bb.Min.y), label);
return value_changed;