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Slider: fix in the unlikely case that style.GrabMinSize is larger than a slider.

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ocornut 2015-04-02 22:38:37 +01:00
parent 31fd72bde1
commit 74f2e53b3b
1 changed files with 4 additions and 4 deletions
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8
imgui.cpp
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@ -3450,7 +3450,7 @@ static void Scrollbar(ImGuiWindow* window)
// The grabable box size generally represent the amount visible (vs the total scrollable amount) // The grabable box size generally represent the amount visible (vs the total scrollable amount)
// But we maintain a minimum size in pixel to allow for the user to still aim inside. // But we maintain a minimum size in pixel to allow for the user to still aim inside.
const float grab_h_pixels = ImMax(style.GrabMinSize, scrollbar_height * ImSaturate(window->Size.y / ImMax(window->SizeContents.y, window->Size.y))); const float grab_h_pixels = ImMin(ImMax(scrollbar_height * ImSaturate(window->Size.y / ImMax(window->SizeContents.y, window->Size.y)), style.GrabMinSize), scrollbar_height);
const float grab_h_norm = grab_h_pixels / scrollbar_height; const float grab_h_norm = grab_h_pixels / scrollbar_height;
// Handle input right away. None of the code of Begin() is relying on scrolling position before calling Scrollbar(). // Handle input right away. None of the code of Begin() is relying on scrolling position before calling Scrollbar().
@ -5046,9 +5046,9 @@ static bool SliderBehavior(const ImRect& frame_bb, const ImRect& slider_bb, ImGu
const float slider_sz = horizontal ? slider_bb.GetWidth() : slider_bb.GetHeight(); const float slider_sz = horizontal ? slider_bb.GetWidth() : slider_bb.GetHeight();
float grab_sz; float grab_sz;
if (decimal_precision > 0 || !is_finite) if (decimal_precision > 0 || !is_finite)
grab_sz = style.GrabMinSize; grab_sz = ImMin(style.GrabMinSize, slider_sz);
else else
grab_sz = ImMax(1.0f * (slider_sz / (v_max-v_min+1.0f)), style.GrabMinSize); // Integer sliders, if possible have the grab size represent 1 unit grab_sz = ImMin(ImMax(1.0f * (slider_sz / (v_max-v_min+1.0f)), style.GrabMinSize), slider_sz); // Integer sliders, if possible have the grab size represent 1 unit
const float slider_usable_sz = slider_sz - grab_sz; const float slider_usable_sz = slider_sz - grab_sz;
const float slider_usable_pos_min = (horizontal ? slider_bb.Min.x : slider_bb.Min.y) + grab_sz*0.5f; const float slider_usable_pos_min = (horizontal ? slider_bb.Min.x : slider_bb.Min.y) + grab_sz*0.5f;
const float slider_usable_pos_max = (horizontal ? slider_bb.Max.x : slider_bb.Max.y) - grab_sz*0.5f; const float slider_usable_pos_max = (horizontal ? slider_bb.Max.x : slider_bb.Max.y) - grab_sz*0.5f;
@ -5191,7 +5191,7 @@ bool ImGui::SliderFloat(const char* label, float* v, float v_min, float v_max, c
const ImRect inner_bb(frame_bb.Min + style.FramePadding, frame_bb.Max - style.FramePadding); const ImRect inner_bb(frame_bb.Min + style.FramePadding, frame_bb.Max - style.FramePadding);
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 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));
// NB- we don't call ItemSize() yet becausae we may turn into a text edit box below // NB- we don't call ItemSize() yet because we may turn into a text edit box below
if (!ItemAdd(total_bb, &id)) if (!ItemAdd(total_bb, &id))
{ {
ItemSize(total_bb, style.FramePadding.y); ItemSize(total_bb, style.FramePadding.y);