Popups: Fixed resizable popup minimum size being too small. Standardized CalcWindowMinSize() logic a bit more. (#73290

Amend e2035a514, 623bff23ce, 923535240, etc.
This commit is contained in:
ocornut 2024-02-20 15:00:01 +01:00
parent 014e0ac8c9
commit e78ce72eb6
2 changed files with 11 additions and 5 deletions

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@ -45,6 +45,8 @@ Other changes:
- Menus, Popups: Fixed an issue where hovering a parent-menu upward would - Menus, Popups: Fixed an issue where hovering a parent-menu upward would
erroneously close the window. (#7325, #7287, #7063) erroneously close the window. (#7325, #7287, #7063)
- Popups: Fixed resizable popup minimum size being too small. Standardized minimum
size logic. (#7329).
- Tables: Angled headers: fixed support for multi-line labels. (#6917) - Tables: Angled headers: fixed support for multi-line labels. (#6917)
- Tables: Angled headers: various fixes to accurately handle CellPadding changes. (#6917) - Tables: Angled headers: various fixes to accurately handle CellPadding changes. (#6917)
- Tables: Angled headers: properly registers horizontal component of angled headers - Tables: Angled headers: properly registers horizontal component of angled headers

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@ -5676,22 +5676,25 @@ static ImGuiWindow* CreateNewWindow(const char* name, ImGuiWindowFlags flags)
static inline ImVec2 CalcWindowMinSize(ImGuiWindow* window) static inline ImVec2 CalcWindowMinSize(ImGuiWindow* window)
{ {
// Popups, menus and childs bypass style.WindowMinSize by default, but we give then a non-zero minimum size to facilitate understanding problematic cases (e.g. empty popups) // We give windows non-zero minimum size to facilitate understanding problematic cases (e.g. empty popups)
// FIXME: the if/else could probably be removed, "reduce artifacts" section for all windows. // FIXME: Essentially we want to restrict manual resizing to WindowMinSize+Decoration, and allow api resizing to be smaller.
// Perhaps should tend further a neater test for this.
ImGuiContext& g = *GImGui; ImGuiContext& g = *GImGui;
ImVec2 size_min; ImVec2 size_min;
if (window->Flags & (ImGuiWindowFlags_Popup | ImGuiWindowFlags_ChildMenu | ImGuiWindowFlags_ChildWindow)) if ((window->Flags & ImGuiWindowFlags_ChildWindow) && !(window->Flags & ImGuiWindowFlags_Popup))
{ {
size_min.x = (window->ChildFlags & ImGuiChildFlags_ResizeX) ? g.Style.WindowMinSize.x : 4.0f; size_min.x = (window->ChildFlags & ImGuiChildFlags_ResizeX) ? g.Style.WindowMinSize.x : 4.0f;
size_min.y = (window->ChildFlags & ImGuiChildFlags_ResizeY) ? g.Style.WindowMinSize.y : 4.0f; size_min.y = (window->ChildFlags & ImGuiChildFlags_ResizeY) ? g.Style.WindowMinSize.y : 4.0f;
} }
else else
{ {
ImGuiWindow* window_for_height = window;
size_min.x = ((window->Flags & ImGuiWindowFlags_AlwaysAutoResize) == 0) ? g.Style.WindowMinSize.x : 4.0f; size_min.x = ((window->Flags & ImGuiWindowFlags_AlwaysAutoResize) == 0) ? g.Style.WindowMinSize.x : 4.0f;
size_min.y = ((window->Flags & ImGuiWindowFlags_AlwaysAutoResize) == 0) ? g.Style.WindowMinSize.y : 4.0f; size_min.y = ((window->Flags & ImGuiWindowFlags_AlwaysAutoResize) == 0) ? g.Style.WindowMinSize.y : 4.0f;
size_min.y = ImMax(size_min.y, window_for_height->TitleBarHeight() + window_for_height->MenuBarHeight() + ImMax(0.0f, g.Style.WindowRounding - 1.0f)); // Reduce artifacts with very small windows
} }
// Reduce artifacts with very small windows
ImGuiWindow* window_for_height = window;
size_min.y = ImMax(size_min.y, window_for_height->TitleBarHeight() + window_for_height->MenuBarHeight() + ImMax(0.0f, g.Style.WindowRounding - 1.0f));
return size_min; return size_min;
} }
@ -6755,6 +6758,7 @@ bool ImGui::Begin(const char* name, bool* p_open, ImGuiWindowFlags flags)
#endif #endif
// Handle manual resize: Resize Grips, Borders, Gamepad // Handle manual resize: Resize Grips, Borders, Gamepad
// FIXME: _ChildWindow + _Popup windows may want resize grips.
int border_hovered = -1, border_held = -1; int border_hovered = -1, border_held = -1;
ImU32 resize_grip_col[4] = {}; ImU32 resize_grip_col[4] = {};
const int resize_grip_count = (window->Flags & ImGuiWindowFlags_ChildWindow) ? 0 : g.IO.ConfigWindowsResizeFromEdges ? 2 : 1; // Allow resize from lower-left if we have the mouse cursor feedback for it. const int resize_grip_count = (window->Flags & ImGuiWindowFlags_ChildWindow) ? 0 : g.IO.ConfigWindowsResizeFromEdges ? 2 : 1; // Allow resize from lower-left if we have the mouse cursor feedback for it.