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Tabs: Enforcing minimum size of 1.0f, fixed asserting on zero-tab widths. (#5572)

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Also fixed SetNextItemWidth(0.0f) not being consistent with tabs. (#5262)
This commit is contained in:
ocornut 2022-09-07 12:42:42 +02:00
parent b137f31b8c
commit 3e6f948851
2 changed files with 5 additions and 5 deletions
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1
docs/CHANGELOG.txt
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@ -100,6 +100,7 @@ Other Changes:
- Tabs: Fixed shrinking policy leading to infinite loops when fed unrounded tab widths. (#5652) - Tabs: Fixed shrinking policy leading to infinite loops when fed unrounded tab widths. (#5652)
- Tabs: Fixed shrinking policy sometimes erroneously making right-most tabs stray a little out - Tabs: Fixed shrinking policy sometimes erroneously making right-most tabs stray a little out
bar boundaries (bug in 1.88). (#5652). bar boundaries (bug in 1.88). (#5652).
- Tabs: Enforcing minimum size of 1.0f, fixed asserting on zero-tab widths. (#5572)
- Window: Fixed a potential crash when appending to a child window. (#5515, #3496, #4797) [@rokups] - Window: Fixed a potential crash when appending to a child window. (#5515, #3496, #4797) [@rokups]
- IO: Added ImGuiKey_MouseXXX aliases for mouse buttons/wheel so all operations done on ImGuiKey - IO: Added ImGuiKey_MouseXXX aliases for mouse buttons/wheel so all operations done on ImGuiKey
can apply to mouse data as well. (#4921) can apply to mouse data as well. (#4921)

9
imgui_widgets.cpp
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@ -7552,7 +7552,7 @@ static void ImGui::TabBarLayout(ImGuiTabBar* tab_bar)
// and we cannot wait for the next BeginTabItem() call. We cannot compute this width within TabBarAddTab() because font size depends on the active window. // and we cannot wait for the next BeginTabItem() call. We cannot compute this width within TabBarAddTab() because font size depends on the active window.
const char* tab_name = tab_bar->GetTabName(tab); const char* tab_name = tab_bar->GetTabName(tab);
const bool has_close_button = (tab->Flags & ImGuiTabItemFlags_NoCloseButton) ? false : true; const bool has_close_button = (tab->Flags & ImGuiTabItemFlags_NoCloseButton) ? false : true;
tab->ContentWidth = (tab->RequestedWidth > 0.0f) ? tab->RequestedWidth : TabItemCalcSize(tab_name, has_close_button).x; tab->ContentWidth = (tab->RequestedWidth >= 0.0f) ? tab->RequestedWidth : TabItemCalcSize(tab_name, has_close_button).x;
int section_n = TabItemGetSectionIdx(tab); int section_n = TabItemGetSectionIdx(tab);
ImGuiTabBarSection* section = &sections[section_n]; ImGuiTabBarSection* section = &sections[section_n];
@ -7564,9 +7564,7 @@ static void ImGui::TabBarLayout(ImGuiTabBar* tab_bar)
ImGuiShrinkWidthItem* shrink_width_item = &g.ShrinkWidthBuffer[shrink_buffer_indexes[section_n]++]; ImGuiShrinkWidthItem* shrink_width_item = &g.ShrinkWidthBuffer[shrink_buffer_indexes[section_n]++];
shrink_width_item->Index = tab_n; shrink_width_item->Index = tab_n;
shrink_width_item->Width = shrink_width_item->InitialWidth = tab->ContentWidth; shrink_width_item->Width = shrink_width_item->InitialWidth = tab->ContentWidth;
tab->Width = ImMax(tab->ContentWidth, 1.0f);
IM_ASSERT(tab->ContentWidth > 0.0f);
tab->Width = tab->ContentWidth;
} }
// Compute total ideal width (used for e.g. auto-resizing a window) // Compute total ideal width (used for e.g. auto-resizing a window)
@ -7610,6 +7608,7 @@ static void ImGui::TabBarLayout(ImGuiTabBar* tab_bar)
if (shrinked_width < 0.0f) if (shrinked_width < 0.0f)
continue; continue;
shrinked_width = ImMax(1.0f, shrinked_width);
int section_n = TabItemGetSectionIdx(tab); int section_n = TabItemGetSectionIdx(tab);
sections[section_n].Width -= (tab->Width - shrinked_width); sections[section_n].Width -= (tab->Width - shrinked_width);
tab->Width = shrinked_width; tab->Width = shrinked_width;
@ -8085,7 +8084,7 @@ bool ImGui::TabItemEx(ImGuiTabBar* tab_bar, const char* label, bool* p_open,
if (g.NextItemData.Flags & ImGuiNextItemDataFlags_HasWidth) if (g.NextItemData.Flags & ImGuiNextItemDataFlags_HasWidth)
size.x = tab->RequestedWidth = g.NextItemData.Width; size.x = tab->RequestedWidth = g.NextItemData.Width;
if (tab_is_new) if (tab_is_new)
tab->Width = size.x; tab->Width = ImMax(1.0f, size.x);
tab->ContentWidth = size.x; tab->ContentWidth = size.x;
tab->BeginOrder = tab_bar->TabsActiveCount++; tab->BeginOrder = tab_bar->TabsActiveCount++;