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Internal: Removed GetNextItemWidth(), relying on ItemAdd or NextItemData.ClearFlags() to clear the width data. Amend 5078fa20 and undo some of its effects of imgui_widgets.cpp

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This commit is contained in:
omar
2019-05-13 15:29:00 +02:00
parent 632469d2e5
commit 64dbd932d2
3 changed files with 35 additions and 42 deletions
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34
imgui.cpp
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@@ -5803,14 +5803,17 @@ void ImGui::SetNextItemWidth(float item_width)
void ImGui::PushItemWidth(float item_width)
{
ImGuiWindow* window = GetCurrentWindow();
ImGuiContext& g = *GImGui;
ImGuiWindow* window = g.CurrentWindow;
window->DC.ItemWidth = (item_width == 0.0f ? window->ItemWidthDefault : item_width);
window->DC.ItemWidthStack.push_back(window->DC.ItemWidth);
g.NextItemData.Flags &= ~ImGuiNextItemDataFlags_HasWidth;
}
void ImGui::PushMultiItemsWidths(int components, float w_full)
{
ImGuiWindow* window = GetCurrentWindow();
ImGuiContext& g = *GImGui;
ImGuiWindow* window = g.CurrentWindow;
const ImGuiStyle& style = GImGui->Style;
const float w_item_one = ImMax(1.0f, (float)(int)((w_full - (style.ItemInnerSpacing.x) * (components-1)) / (float)components));
const float w_item_last = ImMax(1.0f, (float)(int)(w_full - (w_item_one + style.ItemInnerSpacing.x) * (components-1)));
@@ -5818,6 +5821,7 @@ void ImGui::PushMultiItemsWidths(int components, float w_full)
for (int i = 0; i < components-1; i++)
window->DC.ItemWidthStack.push_back(w_item_one);
window->DC.ItemWidth = window->DC.ItemWidthStack.back();
g.NextItemData.Flags &= ~ImGuiNextItemDataFlags_HasWidth;
}
void ImGui::PopItemWidth()
@@ -5827,22 +5831,17 @@ void ImGui::PopItemWidth()
window->DC.ItemWidth = window->DC.ItemWidthStack.empty() ? window->ItemWidthDefault : window->DC.ItemWidthStack.back();
}
// Calculate default item width given value passed to PushItemWidth() or SetNextItemWidth(),
// Then _consume_ the SetNextItemWidth() data.
float ImGui::GetNextItemWidth()
// Calculate default item width given value passed to PushItemWidth() or SetNextItemWidth().
// The SetNextItemWidth() data is generally cleared/consumed by ItemAdd() or NextItemData.ClearFlags()
float ImGui::CalcItemWidth()
{
ImGuiContext& g = *GImGui;
ImGuiWindow* window = g.CurrentWindow;
float w;
if (g.NextItemData.Flags & ImGuiNextItemDataFlags_HasWidth)
{
w = g.NextItemData.Width;
g.NextItemData.Flags &= ~ImGuiNextItemDataFlags_HasWidth;
}
else
{
w = window->DC.ItemWidth;
}
if (w < 0.0f)
{
float region_max_x = GetWorkRectMax().x;
@@ -5852,21 +5851,10 @@ float ImGui::GetNextItemWidth()
return w;
}
// Calculate item width *without* popping/consuming NextItemWidth if it was set.
// (rarely used, which is why we avoid calling this from GetNextItemWidth() and instead do a backup/restore here)
float ImGui::CalcItemWidth()
{
ImGuiContext& g = *GImGui;
ImGuiNextItemDataFlags backup_flags = g.NextItemData.Flags;
float w = GetNextItemWidth();
g.NextItemData.Flags = backup_flags;
return w;
}
// [Internal] Calculate full item size given user provided 'size' parameter and default width/height. Default width is often == GetNextItemWidth().
// [Internal] Calculate full item size given user provided 'size' parameter and default width/height. Default width is often == CalcItemWidth().
// Those two functions CalcItemWidth vs CalcItemSize are awkwardly named because they are not fully symmetrical.
// Note that only CalcItemWidth() is publicly exposed.
// The 4.0f here may be changed to match GetNextItemWidth() and/or BeginChild() (right now we have a mismatch which is harmless but undesirable)
// The 4.0f here may be changed to match CalcItemWidth() and/or BeginChild() (right now we have a mismatch which is harmless but undesirable)
ImVec2 ImGui::CalcItemSize(ImVec2 size, float default_w, float default_h)
{
ImGuiWindow* window = GImGui->CurrentWindow;