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Internal: Columns: Allow to use BeginColumns(1) so code designed for variable number of columns can still call NextColumn etc. (#125)

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This commit is contained in:
omar 2019-03-07 18:21:56 +01:00
parent e9651aaa77
commit f717df4eb6
1 changed files with 21 additions and 6 deletions
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27
imgui.cpp
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@ -8210,10 +8210,18 @@ void ImGui::NextColumn()
return; return;
ImGuiContext& g = *GImGui; ImGuiContext& g = *GImGui;
ImGuiColumnsSet* columns = window->DC.ColumnsSet;
if (columns->Count == 1)
{
window->DC.CursorPos.x = (float)(int)(window->Pos.x + window->DC.Indent.x + window->DC.ColumnsOffset.x);
IM_ASSERT(columns->Current == 0);
return;
}
PopItemWidth(); PopItemWidth();
PopClipRect(); PopClipRect();
ImGuiColumnsSet* columns = window->DC.ColumnsSet;
columns->LineMaxY = ImMax(columns->LineMaxY, window->DC.CursorPos.y); columns->LineMaxY = ImMax(columns->LineMaxY, window->DC.CursorPos.y);
if (++columns->Current < columns->Count) if (++columns->Current < columns->Count)
{ {
@ -8223,6 +8231,7 @@ void ImGui::NextColumn()
} }
else else
{ {
// New line
window->DC.ColumnsOffset.x = 0.0f; window->DC.ColumnsOffset.x = 0.0f;
window->DrawList->ChannelsSetCurrent(0); window->DrawList->ChannelsSetCurrent(0);
columns->Current = 0; columns->Current = 0;
@ -8377,7 +8386,7 @@ void ImGui::BeginColumns(const char* str_id, int columns_count, ImGuiColumnsFlag
ImGuiContext& g = *GImGui; ImGuiContext& g = *GImGui;
ImGuiWindow* window = GetCurrentWindow(); ImGuiWindow* window = GetCurrentWindow();
IM_ASSERT(columns_count > 1); IM_ASSERT(columns_count >= 1);
IM_ASSERT(window->DC.ColumnsSet == NULL); // Nested columns are currently not supported IM_ASSERT(window->DC.ColumnsSet == NULL); // Nested columns are currently not supported
// Differentiate column ID with an arbitrary prefix for cases where users name their columns set the same as another widget. // Differentiate column ID with an arbitrary prefix for cases where users name their columns set the same as another widget.
@ -8431,8 +8440,11 @@ void ImGui::BeginColumns(const char* str_id, int columns_count, ImGuiColumnsFlag
column->ClipRect.ClipWith(window->ClipRect); column->ClipRect.ClipWith(window->ClipRect);
} }
window->DrawList->ChannelsSplit(columns->Count); if (columns->Count > 1)
PushColumnClipRect(); {
window->DrawList->ChannelsSplit(columns->Count);
PushColumnClipRect();
}
PushItemWidth(GetColumnWidth() * 0.65f); PushItemWidth(GetColumnWidth() * 0.65f);
} }
@ -8444,8 +8456,11 @@ void ImGui::EndColumns()
IM_ASSERT(columns != NULL); IM_ASSERT(columns != NULL);
PopItemWidth(); PopItemWidth();
PopClipRect(); if (columns->Count > 1)
window->DrawList->ChannelsMerge(); {
PopClipRect();
window->DrawList->ChannelsMerge();
}
columns->LineMaxY = ImMax(columns->LineMaxY, window->DC.CursorPos.y); columns->LineMaxY = ImMax(columns->LineMaxY, window->DC.CursorPos.y);
window->DC.CursorPos.y = columns->LineMaxY; window->DC.CursorPos.y = columns->LineMaxY;