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SameLine() with explicit X position is relative to left of group/columns (ref #746, #125, #630)

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ocornut 2016-07-30 23:41:44 +02:00
parent cabba0f158
commit 954c890c67
2 changed files with 9 additions and 4 deletions
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12
imgui.cpp
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@ -150,6 +150,7 @@
Here is a change-log of API breaking changes, if you are using one of the functions listed, expect to have to fix some code.
Also read releases logs https://github.com/ocornut/imgui/releases for more details.
- 2016/07/30 (1.50) - SameLine(x) with x>0.0f is now relative to left of column/group if any, and not always to left of window. This was sort of always the intent and hopefully breakage should be minimal.
- 2016/05/12 (1.49) - title bar (using ImGuiCol_TitleBg/ImGuiCol_TitleBgActive colors) isn't rendered over a window background (ImGuiCol_WindowBg color) anymore.
If your TitleBg/TitleBgActive alpha was 1.0f or you are using the default theme it will not affect you.
However if your TitleBg/TitleBgActive alpha was <1.0f you need to tweak your custom theme to readjust for the fact that we don't draw a WindowBg background behind the title bar.
@ -4221,6 +4222,7 @@ bool ImGui::Begin(const char* name, bool* p_open, const ImVec2& size_on_first_us
// Setup drawing context
window->DC.IndentX = 0.0f + window->WindowPadding.x - window->Scroll.x;
window->DC.GroupOffsetX = 0.0f;
window->DC.ColumnsOffsetX = 0.0f;
window->DC.CursorStartPos = window->Pos + ImVec2(window->DC.IndentX + window->DC.ColumnsOffsetX, window->TitleBarHeight() + window->MenuBarHeight() + window->WindowPadding.y - window->Scroll.y);
window->DC.CursorPos = window->DC.CursorStartPos;
@ -9116,7 +9118,8 @@ void ImGui::BeginGroup()
group_data.BackupLogLinePosY = window->DC.LogLinePosY;
group_data.AdvanceCursor = true;
window->DC.IndentX = window->DC.CursorPos.x - window->Pos.x - window->DC.ColumnsOffsetX;
window->DC.GroupOffsetX = window->DC.CursorPos.x - window->Pos.x - window->DC.ColumnsOffsetX;
window->DC.IndentX = window->DC.GroupOffsetX;
window->DC.CursorMaxPos = window->DC.CursorPos;
window->DC.CurrentLineHeight = 0.0f;
window->DC.LogLinePosY = window->DC.CursorPos.y - 9999.0f;
@ -9140,6 +9143,7 @@ void ImGui::EndGroup()
window->DC.CurrentLineHeight = group_data.BackupCurrentLineHeight;
window->DC.CurrentLineTextBaseOffset = group_data.BackupCurrentLineTextBaseOffset;
window->DC.IndentX = group_data.BackupIndentX;
window->DC.GroupOffsetX = window->DC.IndentX;
window->DC.LogLinePosY = window->DC.CursorPos.y - 9999.0f;
if (group_data.AdvanceCursor)
@ -9156,7 +9160,7 @@ void ImGui::EndGroup()
// Gets back to previous line and continue with horizontal layout
// pos_x == 0 : follow right after previous item
// pos_x != 0 : align to specified x position
// pos_x != 0 : align to specified x position (relative to window/group left)
// spacing_w < 0 : use default spacing if pos_x == 0, no spacing if pos_x != 0
// spacing_w >= 0 : enforce spacing amount
void ImGui::SameLine(float pos_x, float spacing_w)
@ -9169,7 +9173,7 @@ void ImGui::SameLine(float pos_x, float spacing_w)
if (pos_x != 0.0f)
{
if (spacing_w < 0.0f) spacing_w = 0.0f;
window->DC.CursorPos.x = window->Pos.x - window->Scroll.x + pos_x + spacing_w;
window->DC.CursorPos.x = window->Pos.x - window->Scroll.x + pos_x + spacing_w + window->DC.GroupOffsetX + window->DC.ColumnsOffsetX;
window->DC.CursorPos.y = window->DC.CursorPosPrevLine.y;
}
else
@ -9352,7 +9356,7 @@ void ImGui::Columns(int columns_count, const char* id, bool border)
if (held)
{
if (g.ActiveIdIsJustActivated)
g.ActiveIdClickOffset.x -= 4; // Store from center of column line
g.ActiveIdClickOffset.x -= 4; // Store from center of column line (we used a 8 wide rect for columns clicking)
x = GetDraggedColumnOffset(i);
SetColumnOffset(i, x);
}

1
imgui_internal.h
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@ -546,6 +546,7 @@ struct IMGUI_API ImGuiDrawContext
int StackSizesBackup[6]; // Store size of various stacks for asserting
float IndentX; // Indentation / start position from left of window (increased by TreePush/TreePop, etc.)
float GroupOffsetX;
float ColumnsOffsetX; // Offset to the current column (if ColumnsCurrent > 0). FIXME: This and the above should be a stack to allow use cases like Tree->Column->Tree. Need revamp columns API.
int ColumnsCurrent;
int ColumnsCount;