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Popups: Fixed an issue when reopening a same popup multiple times would offset them by 1 pixel on the right. (#4936)

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Passing explicit ImGuiPopupFlags_MouseButtonRight to OpenPopupOnItemClick() calls somehow document the unusual (due to legacy) default value.
This commit is contained in:
ocornut 2022-01-24 13:13:38 +01:00
parent cda3db1449
commit b17b2fb732
5 changed files with 16 additions and 20 deletions
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1
docs/CHANGELOG.txt
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@ -110,6 +110,7 @@ Other Changes:
- Fixed a situation where CTRL+Tab or Modal can occasionally lead to the creation of ImDrawCmd with zero triangles,
which would makes the draw operation of some backends assert (e.g. Metal with debugging). (#4857)
- Popups: Fixed a regression crash when a new window is created after a modal on the same frame. (#4920) [@rokups]
- Popups: Fixed an issue when reopening a same popup multiple times would offset them by 1 pixel on the right. (#4936)
- Tables, ImDrawListSplitter: Fixed erroneously stripping trailing ImDrawList::AddCallback() when submitted in
last column or last channel and when there are no other drawing operation. (#4843, #4844) [@hoffstadt]
- Tables: Fixed positioning of Sort icon on right-most column with some settings (not resizable + no borders). (#4918).

16
imgui.cpp
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@ -6235,8 +6235,6 @@ bool ImGui::Begin(const char* name, bool* p_open, ImGuiWindowFlags flags)
SetWindowPos(window, window->SetWindowPosVal - window->Size * window->SetWindowPosPivot, 0); // Position given a pivot (e.g. for centering)
else if ((flags & ImGuiWindowFlags_ChildMenu) != 0)
window->Pos = FindBestWindowPosForPopup(window);
else if ((flags & ImGuiWindowFlags_Popup) != 0 && !window_pos_set_by_api && window_just_appearing_after_hidden_for_resize)
window->Pos = FindBestWindowPosForPopup(window);
else if ((flags & ImGuiWindowFlags_Tooltip) != 0 && !window_pos_set_by_api && !window_is_child_tooltip)
window->Pos = FindBestWindowPosForPopup(window);
@ -9261,7 +9259,7 @@ void ImGui::OpenPopupOnItemClick(const char* str_id, ImGuiPopupFlags popup_flags
// - You may want to handle the whole on user side if you have specific needs (e.g. tweaking IsItemHovered() parameters).
// This is essentially the same as:
// id = str_id ? GetID(str_id) : GetItemID();
// OpenPopupOnItemClick(str_id);
// OpenPopupOnItemClick(str_id, ImGuiPopupFlags_MouseButtonRight);
// return BeginPopup(id);
// Which is essentially the same as:
// id = str_id ? GetID(str_id) : GetItemID();
@ -9420,11 +9418,6 @@ ImVec2 ImGui::FindBestWindowPosForPopup(ImGuiWindow* window)
r_avoid = ImRect(parent_window->Pos.x + horizontal_overlap, -FLT_MAX, parent_window->Pos.x + parent_window->Size.x - horizontal_overlap - parent_window->ScrollbarSizes.x, FLT_MAX);
return FindBestWindowPosForPopupEx(window->Pos, window->Size, &window->AutoPosLastDirection, r_outer, r_avoid, ImGuiPopupPositionPolicy_Default);
}
if (window->Flags & ImGuiWindowFlags_Popup)
{
ImRect r_avoid = ImRect(window->Pos.x - 1, window->Pos.y - 1, window->Pos.x + 1, window->Pos.y + 1);
return FindBestWindowPosForPopupEx(window->Pos, window->Size, &window->AutoPosLastDirection, r_outer, r_avoid, ImGuiPopupPositionPolicy_Default);
}
if (window->Flags & ImGuiWindowFlags_Tooltip)
{
// Position tooltip (always follows mouse)
@ -9932,9 +9925,10 @@ static ImVec2 ImGui::NavCalcPreferredRefPos()
if (g.NavDisableHighlight || !g.NavDisableMouseHover || !window)
{
// Mouse (we need a fallback in case the mouse becomes invalid after being used)
if (IsMousePosValid(&g.IO.MousePos))
return g.IO.MousePos;
return g.MouseLastValidPos;
// The +1.0f offset when stored by OpenPopupEx() allows reopening this or another popup (same or another mouse button) while not moving the mouse, it is pretty standard.
// In theory we could move that +1.0f offset in OpenPopupEx()
ImVec2 p = IsMousePosValid(&g.IO.MousePos) ? g.IO.MousePos : g.MouseLastValidPos;
return ImVec2(p.x + 1.0f, p.y);
}
else
{

3
imgui.h
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@ -681,6 +681,7 @@ namespace ImGui
// - CloseCurrentPopup() is called by default by Selectable()/MenuItem() when activated (FIXME: need some options).
// - Use ImGuiPopupFlags_NoOpenOverExistingPopup to avoid opening a popup if there's already one at the same level. This is equivalent to e.g. testing for !IsAnyPopupOpen() prior to OpenPopup().
// - Use IsWindowAppearing() after BeginPopup() to tell if a window just opened.
// - IMPORTANT: Notice that for OpenPopupOnItemClick() we exceptionally default flags to 1 (== ImGuiPopupFlags_MouseButtonRight) for backward compatibility with older API taking 'int mouse_button = 1' parameter
IMGUI_API void OpenPopup(const char* str_id, ImGuiPopupFlags popup_flags = 0); // call to mark popup as open (don't call every frame!).
IMGUI_API void OpenPopup(ImGuiID id, ImGuiPopupFlags popup_flags = 0); // id overload to facilitate calling from nested stacks
IMGUI_API void OpenPopupOnItemClick(const char* str_id = NULL, ImGuiPopupFlags popup_flags = 1); // helper to open popup when clicked on last item. Default to ImGuiPopupFlags_MouseButtonRight == 1. (note: actually triggers on the mouse _released_ event to be consistent with popup behaviors)
@ -690,7 +691,7 @@ namespace ImGui
// - Helpers to do OpenPopup+BeginPopup where the Open action is triggered by e.g. hovering an item and right-clicking.
// - They are convenient to easily create context menus, hence the name.
// - IMPORTANT: Notice that BeginPopupContextXXX takes ImGuiPopupFlags just like OpenPopup() and unlike BeginPopup(). For full consistency, we may add ImGuiWindowFlags to the BeginPopupContextXXX functions in the future.
// - IMPORTANT: we exceptionally default their flags to 1 (== ImGuiPopupFlags_MouseButtonRight) for backward compatibility with older API taking 'int mouse_button = 1' parameter, so if you add other flags remember to re-add the ImGuiPopupFlags_MouseButtonRight.
// - IMPORTANT: Notice that we exceptionally default their flags to 1 (== ImGuiPopupFlags_MouseButtonRight) for backward compatibility with older API taking 'int mouse_button = 1' parameter, so if you add other flags remember to re-add the ImGuiPopupFlags_MouseButtonRight.
IMGUI_API bool BeginPopupContextItem(const char* str_id = NULL, ImGuiPopupFlags popup_flags = 1); // open+begin popup when clicked on last item. Use str_id==NULL to associate the popup to previous item. If you want to use that on a non-interactive item such as Text() you need to pass in an explicit ID here. read comments in .cpp!
IMGUI_API bool BeginPopupContextWindow(const char* str_id = NULL, ImGuiPopupFlags popup_flags = 1);// open+begin popup when clicked on current window.
IMGUI_API bool BeginPopupContextVoid(const char* str_id = NULL, ImGuiPopupFlags popup_flags = 1); // open+begin popup when clicked in void (where there are no windows).

4
imgui_demo.cpp
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@ -7570,8 +7570,8 @@ static void ShowExampleAppCustomRendering(bool* p_open)
// Context menu (under default mouse threshold)
ImVec2 drag_delta = ImGui::GetMouseDragDelta(ImGuiMouseButton_Right);
if (opt_enable_context_menu && ImGui::IsMouseReleased(ImGuiMouseButton_Right) && drag_delta.x == 0.0f && drag_delta.y == 0.0f)
ImGui::OpenPopupOnItemClick("context");
if (opt_enable_context_menu && drag_delta.x == 0.0f && drag_delta.y == 0.0f)
ImGui::OpenPopupOnItemClick("context", ImGuiPopupFlags_MouseButtonRight);
if (ImGui::BeginPopup("context"))
{
if (adding_line)

12
imgui_widgets.cpp
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@ -4924,7 +4924,7 @@ bool ImGui::ColorEdit4(const char* label, float col[4], ImGuiColorEditFlags flag
value_changed |= DragInt(ids[n], &i[n], 1.0f, 0, hdr ? 0 : 255, fmt_table_int[fmt_idx][n]);
}
if (!(flags & ImGuiColorEditFlags_NoOptions))
OpenPopupOnItemClick("context");
OpenPopupOnItemClick("context", ImGuiPopupFlags_MouseButtonRight);
}
}
else if ((flags & ImGuiColorEditFlags_DisplayHex) != 0 && (flags & ImGuiColorEditFlags_NoInputs) == 0)
@ -4952,7 +4952,7 @@ bool ImGui::ColorEdit4(const char* label, float col[4], ImGuiColorEditFlags flag
IM_UNUSED(r); // Fixes C6031: Return value ignored: 'sscanf'.
}
if (!(flags & ImGuiColorEditFlags_NoOptions))
OpenPopupOnItemClick("context");
OpenPopupOnItemClick("context", ImGuiPopupFlags_MouseButtonRight);
}
ImGuiWindow* picker_active_window = NULL;
@ -4969,11 +4969,11 @@ bool ImGui::ColorEdit4(const char* label, float col[4], ImGuiColorEditFlags flag
// Store current color and open a picker
g.ColorPickerRef = col_v4;
OpenPopup("picker");
SetNextWindowPos(g.LastItemData.Rect.GetBL() + ImVec2(-1, style.ItemSpacing.y));
SetNextWindowPos(g.LastItemData.Rect.GetBL() + ImVec2(0.0f, style.ItemSpacing.y));
}
}
if (!(flags & ImGuiColorEditFlags_NoOptions))
OpenPopupOnItemClick("context");
OpenPopupOnItemClick("context", ImGuiPopupFlags_MouseButtonRight);
if (BeginPopup("picker"))
{
@ -5187,7 +5187,7 @@ bool ImGui::ColorPicker4(const char* label, float col[4], ImGuiColorEditFlags fl
}
}
if (!(flags & ImGuiColorEditFlags_NoOptions))
OpenPopupOnItemClick("context");
OpenPopupOnItemClick("context", ImGuiPopupFlags_MouseButtonRight);
}
else if (flags & ImGuiColorEditFlags_PickerHueBar)
{
@ -5204,7 +5204,7 @@ bool ImGui::ColorPicker4(const char* label, float col[4], ImGuiColorEditFlags fl
value_changed = value_changed_sv = true;
}
if (!(flags & ImGuiColorEditFlags_NoOptions))
OpenPopupOnItemClick("context");
OpenPopupOnItemClick("context", ImGuiPopupFlags_MouseButtonRight);
// Hue bar logic
SetCursorScreenPos(ImVec2(bar0_pos_x, picker_pos.y));