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Tables: Fixed PopItemWidth() or multi-components items not restoring per-colum ItemWidth correctly. (#3760) rework local stacks to facilitate modifying current value without altering the stack.

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May consider doing the same for ItemFlags and moving to g.ItemFlags...
This commit is contained in:
ocornut 2021-01-27 12:18:48 +01:00
parent 3867c6c5f0
commit e28b51786e
4 changed files with 15 additions and 12 deletions
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1
docs/CHANGELOG.txt
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@ -43,6 +43,7 @@ Breaking Changes:
Other Changes:
- Tables: Fixed PopItemWidth() or multi-components items not restoring per-colum ItemWidth correctly. (#3760)
- Window: Fixed minor title bar text clipping issue when FramePadding is small/zero and there are no
close button in the window. (#3731)
- imgui_freetype: Facilitated using FreeType integration: [@Xipiryon, @ocornut]

14
imgui.cpp
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@ -6428,15 +6428,15 @@ void ImGui::PopButtonRepeat()
void ImGui::PushTextWrapPos(float wrap_pos_x)
{
ImGuiWindow* window = GetCurrentWindow();
window->DC.TextWrapPosStack.push_back(window->DC.TextWrapPos);
window->DC.TextWrapPos = wrap_pos_x;
window->DC.TextWrapPosStack.push_back(wrap_pos_x);
}
void ImGui::PopTextWrapPos()
{
ImGuiWindow* window = GetCurrentWindow();
window->DC.TextWrapPos = window->DC.TextWrapPosStack.back();
window->DC.TextWrapPosStack.pop_back();
window->DC.TextWrapPos = window->DC.TextWrapPosStack.empty() ? -1.0f : window->DC.TextWrapPosStack.back();
}
bool ImGui::IsWindowChildOf(ImGuiWindow* window, ImGuiWindow* potential_parent)
@ -7393,12 +7393,13 @@ void ImGui::SetNextItemWidth(float item_width)
g.NextItemData.Width = item_width;
}
// FIXME: Remove the == 0.0f behavior?
void ImGui::PushItemWidth(float item_width)
{
ImGuiContext& g = *GImGui;
ImGuiWindow* window = g.CurrentWindow;
window->DC.ItemWidthStack.push_back(window->DC.ItemWidth); // Backup current width
window->DC.ItemWidth = (item_width == 0.0f ? window->ItemWidthDefault : item_width);
window->DC.ItemWidthStack.push_back(window->DC.ItemWidth);
g.NextItemData.Flags &= ~ImGuiNextItemDataFlags_HasWidth;
}
@ -7409,18 +7410,19 @@ void ImGui::PushMultiItemsWidths(int components, float w_full)
const ImGuiStyle& style = g.Style;
const float w_item_one = ImMax(1.0f, IM_FLOOR((w_full - (style.ItemInnerSpacing.x) * (components - 1)) / (float)components));
const float w_item_last = ImMax(1.0f, IM_FLOOR(w_full - (w_item_one + style.ItemInnerSpacing.x) * (components - 1)));
window->DC.ItemWidthStack.push_back(window->DC.ItemWidth); // Backup current width
window->DC.ItemWidthStack.push_back(w_item_last);
for (int i = 0; i < components - 1; i++)
for (int i = 0; i < components - 2; i++)
window->DC.ItemWidthStack.push_back(w_item_one);
window->DC.ItemWidth = window->DC.ItemWidthStack.back();
window->DC.ItemWidth = (components == 1) ? w_item_last : w_item_one;
g.NextItemData.Flags &= ~ImGuiNextItemDataFlags_HasWidth;
}
void ImGui::PopItemWidth()
{
ImGuiWindow* window = GetCurrentWindow();
window->DC.ItemWidth = window->DC.ItemWidthStack.back();
window->DC.ItemWidthStack.pop_back();
window->DC.ItemWidth = window->DC.ItemWidthStack.empty() ? window->ItemWidthDefault : window->DC.ItemWidthStack.back();
}
// Calculate default item width given value passed to PushItemWidth() or SetNextItemWidth().

4
imgui.h
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@ -59,7 +59,7 @@ Index of this file:
// Version
// (Integer encoded as XYYZZ for use in #if preprocessor conditionals. Work in progress versions typically starts at XYY99 then bounce up to XYY00, XYY01 etc. when release tagging happens)
#define IMGUI_VERSION "1.81 WIP"
#define IMGUI_VERSION_NUM 18001
#define IMGUI_VERSION_NUM 18002
#define IMGUI_CHECKVERSION() ImGui::DebugCheckVersionAndDataLayout(IMGUI_VERSION, sizeof(ImGuiIO), sizeof(ImGuiStyle), sizeof(ImVec2), sizeof(ImVec4), sizeof(ImDrawVert), sizeof(ImDrawIdx))
#define IMGUI_HAS_TABLE
@ -375,7 +375,7 @@ namespace ImGui
IMGUI_API void PopButtonRepeat();
// Parameters stacks (current window)
IMGUI_API void PushItemWidth(float item_width); // push width of items for common large "item+label" widgets. >0.0f: width in pixels, <0.0f align xx pixels to the right of window (so -FLT_MIN always align width to the right side). 0.0f = default to ~2/3 of windows width,
IMGUI_API void PushItemWidth(float item_width); // push width of items for common large "item+label" widgets. >0.0f: width in pixels, <0.0f align xx pixels to the right of window (so -FLT_MIN always align width to the right side).
IMGUI_API void PopItemWidth();
IMGUI_API void SetNextItemWidth(float item_width); // set width of the _next_ common large "item+label" widget. >0.0f: width in pixels, <0.0f align xx pixels to the right of window (so -FLT_MIN always align width to the right side)
IMGUI_API float CalcItemWidth(); // width of item given pushed settings and current cursor position. NOT necessarily the width of last item unlike most 'Item' functions.

8
imgui_internal.h
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@ -1692,10 +1692,10 @@ struct IMGUI_API ImGuiWindowTempData
// Local parameters stacks
// We store the current settings outside of the vectors to increase memory locality (reduce cache misses). The vectors are rarely modified. Also it allows us to not heap allocate for short-lived windows which are not using those settings.
ImGuiItemFlags ItemFlags; // == g.ItemFlagsStack.back()
float ItemWidth; // == ItemWidthStack.back(). 0.0: default, >0.0: width in pixels, <0.0: align xx pixels to the right of window
float TextWrapPos; // == TextWrapPosStack.back() [empty == -1.0f]
ImVector<float> ItemWidthStack;
ImVector<float> TextWrapPosStack;
float ItemWidth; // Current item width (>0.0: width in pixels, <0.0: align xx pixels to the right of window).
float TextWrapPos; // Current text wrap pos.
ImVector<float> ItemWidthStack; // Store item widths to restore (attention: .back() is not == ItemWidth)
ImVector<float> TextWrapPosStack; // Store text wrap pos to restore (attention: .back() is not == TextWrapPos)
ImGuiStackSizes StackSizesOnBegin; // Store size of various stacks for asserting
};