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Button() honor negative size consistently with other widgets that do so

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This commit is contained in:
ocornut
2015-07-17 15:58:23 -06:00
parent eca26ae91d
commit 3b53a6513a
1 changed files with 16 additions and 15 deletions
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31
imgui.cpp
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@@ -4755,14 +4755,9 @@ ImVec2 ImGui::GetContentRegionMax()
ImGuiWindow* window = GetCurrentWindow(); ImGuiWindow* window = GetCurrentWindow();
ImVec2 mx = window->Size - window->WindowPadding; ImVec2 mx = window->Size - window->WindowPadding;
if (window->DC.ColumnsCount != 1) if (window->DC.ColumnsCount != 1)
{ mx.x = ImGui::GetColumnOffset(window->DC.ColumnsCurrent + 1) - window->WindowPadding.x;
mx.x = ImGui::GetColumnOffset(window->DC.ColumnsCurrent + 1);
mx.x -= window->WindowPadding.x;
}
else else
{
mx.x -= window->ScrollbarWidth(); mx.x -= window->ScrollbarWidth();
}
return mx; return mx;
} }
@@ -5245,6 +5240,19 @@ static bool ButtonBehavior(const ImRect& bb, ImGuiID id, bool* out_hovered, bool
return pressed; return pressed;
} }
static inline ImVec2 CalcItemSize(ImVec2 size, float default_x, float default_y)
{
ImGuiState& g = *GImGui;
ImVec2 content_max;
if (size.x < 0.0f || size.y < 0.0f)
content_max = g.CurrentWindow->Pos + ImGui::GetContentRegionMax();
if (size.x <= 0.0f)
size.x = (size.x == 0.0f) ? default_x : ImMax(content_max.x - g.CurrentWindow->DC.CursorPos.x, 4.0f) + size.x;
if (size.y <= 0.0f)
size.y = (size.y == 0.0f) ? default_y : ImMax(content_max.y - g.CurrentWindow->DC.CursorPos.y, 4.0f) + size.y;
return size;
}
static bool ButtonEx(const char* label, const ImVec2& size_arg = ImVec2(0,0), ImGuiButtonFlags flags = 0) static bool ButtonEx(const char* label, const ImVec2& size_arg = ImVec2(0,0), ImGuiButtonFlags flags = 0)
{ {
ImGuiWindow* window = GetCurrentWindow(); ImGuiWindow* window = GetCurrentWindow();
@@ -5259,7 +5267,7 @@ static bool ButtonEx(const char* label, const ImVec2& size_arg = ImVec2(0,0), Im
ImVec2 pos = window->DC.CursorPos; ImVec2 pos = window->DC.CursorPos;
if ((flags & ImGuiButtonFlags_AlignTextBaseLine) && style.FramePadding.y < window->DC.CurrentLineTextBaseOffset) if ((flags & ImGuiButtonFlags_AlignTextBaseLine) && style.FramePadding.y < window->DC.CurrentLineTextBaseOffset)
pos.y += window->DC.CurrentLineTextBaseOffset - style.FramePadding.y; pos.y += window->DC.CurrentLineTextBaseOffset - style.FramePadding.y;
const ImVec2 size(size_arg.x != 0.0f ? size_arg.x : (label_size.x + style.FramePadding.x*2), size_arg.y != 0.0f ? size_arg.y : (label_size.y + style.FramePadding.y*2)); ImVec2 size = CalcItemSize(size_arg, label_size.x + style.FramePadding.x * 2.0f, label_size.y + style.FramePadding.y * 2.0f);
const ImRect bb(pos, pos + size); const ImRect bb(pos, pos + size);
ItemSize(bb, style.FramePadding.y); ItemSize(bb, style.FramePadding.y);
@@ -8002,14 +8010,7 @@ bool ImGui::ListBoxHeader(const char* label, const ImVec2& size_arg)
const ImVec2 label_size = ImGui::CalcTextSize(label, NULL, true); const ImVec2 label_size = ImGui::CalcTextSize(label, NULL, true);
// Size default to hold ~7 items. Fractional number of items helps seeing that we can scroll down/up without looking at scrollbar. // Size default to hold ~7 items. Fractional number of items helps seeing that we can scroll down/up without looking at scrollbar.
const ImVec2 content_max = window->Pos + ImGui::GetContentRegionMax(); ImVec2 size = CalcItemSize(size_arg, ImGui::CalcItemWidth() + style.FramePadding.x * 2.0f, ImGui::GetTextLineHeightWithSpacing() * 7.4f + style.ItemSpacing.y);
const ImVec2 cursor_pos = window->Pos + ImGui::GetCursorPos();
// FIXME: Wrap this pattern for re-use
ImVec2 size = size_arg;
if (size.x <= 0.0f)
size.x = (size.x == 0.0f) ? ImGui::CalcItemWidth() + style.FramePadding.x * 2.0f : ImMax(content_max.x - cursor_pos.x, 4.0f) - fabsf(size.x);
if (size.y <= 0.0f)
size.y = (size.y == 0.0f) ? ImGui::GetTextLineHeightWithSpacing() * 7.4f + style.ItemSpacing.y : ImMax(content_max.y - cursor_pos.y, 4.0f) - fabsf(size.y);
ImVec2 frame_size = ImVec2(size.x, ImMax(size.y, label_size.y)); ImVec2 frame_size = ImVec2(size.x, ImMax(size.y, label_size.y));
ImRect frame_bb(window->DC.CursorPos, window->DC.CursorPos + frame_size); ImRect frame_bb(window->DC.CursorPos, window->DC.CursorPos + frame_size);
ImRect bb(frame_bb.Min, frame_bb.Max + ImVec2(label_size.x > 0.0f ? style.ItemInnerSpacing.x + label_size.x : 0.0f, 0.0f)); ImRect bb(frame_bb.Min, frame_bb.Max + ImVec2(label_size.x > 0.0f ? style.ItemInnerSpacing.x + label_size.x : 0.0f, 0.0f));