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Popups: Changed 'int mouse_buttons' to ImGuiPopupFlags. Added ImGuiPopupFlags_NoOpenOverExistingPopup, ImGuiPopupFlags_NoOpenOverItems. Refactored signature of BeginPopupContextWindow().

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This commit is contained in:
omar 2020-06-19 15:26:02 +02:00
parent 5acf6d861a
commit fed80b9537
5 changed files with 56 additions and 22 deletions
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9
docs/CHANGELOG.txt
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@ -39,6 +39,8 @@ Breaking Changes:
- Removed unncessary ID (first arg) of ImFontAtlas::AddCustomRectRegular() function. Please
note that this is a Beta api and will likely be reworked to support multi-monitor multi-DPI.
- Renamed OpenPopupOnItemClick() to OpenPopupContextItem(). Kept inline redirection function (will obsolete).
- Removed BeginPopupContextWindow(const char*, int mouse_button, bool also_over_items) in favor
of BeginPopupContextWindow(const char*, ImGuiPopupFlags flags) with ImGuiPopupFlags_NoOverItems.
- Removed CalcItemRectClosestPoint() entry point which was made obsolete and asserting in December 2017.
Other Changes:
@ -54,6 +56,13 @@ Other Changes:
Set to an intermediary value to toggle behavior based on width (same as Firefox).
- Tab: Added a ImGuiTabItemFlags_NoTooltip flag to disable the tooltip for individual tab item
(vs ImGuiTabBarFlags_NoTooltip for entire tab bar). [@Xipiryon]
- Popups: All functions capable of opening popups (OpenPopup*, BeginPopupContext*) now take a new
ImGuiPopupFlags sets of flags instead of a mouse button index. The API is automatically backward
compatible as ImGuiPopupFlags is guaranteed to hold mouse button index in the lower bits.
- Popups: Added ImGuiPopupFlags_NoOpenOverExistingPopup for OpenPopup*/BeginPopupContext* functions
to first test for the presence of another popup at the same level.
- Popups: Added ImGuiPopupFlags_NoOpenOverItems for BeginPopupContextWindow() - similar to testing
for !IsAnyItemHovered() prior to doing an OpenPopup.
- Popups: Added ImGuiPopupFlags_AnyPopupId and ImGuiPopupFlags_AnyPopupLevel flags for IsPopupOpen(),
allowing to check if any popup is open at the current level, if a given popup is open at any popup
level, if any popup is open at all.

34
imgui.cpp
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@ -372,6 +372,7 @@ CODE
When you are not sure about a old symbol or function name, try using the Search/Find function of your IDE to look for comments or references in all imgui files.
You can read releases logs https://github.com/ocornut/imgui/releases for more details.
- 2020/06/23 (1.77) - removed BeginPopupContextWindow(const char*, int mouse_button, bool also_over_items) in favor of BeginPopupContextWindow(const char*, ImGuiPopupFlags flags) with ImGuiPopupFlags_NoOverItems.
- 2020/06/15 (1.77) - renamed OpenPopupOnItemClick() to OpenPopupContextItem(). Kept inline redirection function (will obsolete).
- 2020/06/15 (1.77) - removed CalcItemRectClosestPoint() entry point which was made obsolete and asserting in December 2017.
- 2020/04/23 (1.77) - removed unnecessary ID (first arg) of ImFontAtlas::AddCustomRectRegular().
@ -7670,21 +7671,26 @@ ImGuiWindow* ImGui::GetTopMostPopupModal()
return NULL;
}
void ImGui::OpenPopup(const char* str_id)
void ImGui::OpenPopup(const char* str_id, ImGuiPopupFlags popup_flags)
{
ImGuiContext& g = *GImGui;
OpenPopupEx(g.CurrentWindow->GetID(str_id));
OpenPopupEx(g.CurrentWindow->GetID(str_id), popup_flags);
}
// Mark popup as open (toggle toward open state).
// Popups are closed when user click outside, or activate a pressable item, or CloseCurrentPopup() is called within a BeginPopup()/EndPopup() block.
// Popup identifiers are relative to the current ID-stack (so OpenPopup and BeginPopup needs to be at the same level).
// One open popup per level of the popup hierarchy (NB: when assigning we reset the Window member of ImGuiPopupRef to NULL)
void ImGui::OpenPopupEx(ImGuiID id)
void ImGui::OpenPopupEx(ImGuiID id, ImGuiPopupFlags popup_flags)
{
ImGuiContext& g = *GImGui;
ImGuiWindow* parent_window = g.CurrentWindow;
const int current_stack_size = g.BeginPopupStack.Size;
if (popup_flags & ImGuiPopupFlags_NoOpenOverExistingPopup)
if (IsPopupOpen(0u, ImGuiPopupFlags_AnyPopupId))
return;
ImGuiPopupData popup_ref; // Tagged as new ref as Window will be set back to NULL if we write this into OpenPopupStack.
popup_ref.PopupId = id;
popup_ref.Window = NULL;
@ -7903,14 +7909,15 @@ void ImGui::EndPopup()
g.WithinEndChild = false;
}
bool ImGui::OpenPopupContextItem(const char* str_id, ImGuiMouseButton mouse_button)
bool ImGui::OpenPopupContextItem(const char* str_id, ImGuiPopupFlags popup_flags)
{
ImGuiWindow* window = GImGui->CurrentWindow;
int mouse_button = (popup_flags & ImGuiPopupFlags_MouseButtonMask_);
if (IsMouseReleased(mouse_button) && IsItemHovered(ImGuiHoveredFlags_AllowWhenBlockedByPopup))
{
ImGuiID id = str_id ? window->GetID(str_id) : window->DC.LastItemId; // If user hasn't passed an ID, we can use the LastItemID. Using LastItemID as a Popup ID won't conflict!
IM_ASSERT(id != 0); // You cannot pass a NULL str_id if the last item has no identifier (e.g. a Text() item)
OpenPopupEx(id);
OpenPopupEx(id, popup_flags);
return true;
}
return false;
@ -7921,39 +7928,42 @@ bool ImGui::OpenPopupContextItem(const char* str_id, ImGuiMouseButton mouse_butt
// - You may want to handle this on user side if you have specific needs (e.g. tweaking IsItemHovered() parameters).
// - This is essentially the same as calling OpenPopupContextItem() + BeginPopup() but written to avoid
// computing the ID twice because BeginPopupContextXXX functions are called very frequently.
bool ImGui::BeginPopupContextItem(const char* str_id, ImGuiMouseButton mouse_button)
bool ImGui::BeginPopupContextItem(const char* str_id, ImGuiPopupFlags popup_flags)
{
ImGuiWindow* window = GImGui->CurrentWindow;
if (window->SkipItems)
return false;
ImGuiID id = str_id ? window->GetID(str_id) : window->DC.LastItemId; // If user hasn't passed an ID, we can use the LastItemID. Using LastItemID as a Popup ID won't conflict!
IM_ASSERT(id != 0); // You cannot pass a NULL str_id if the last item has no identifier (e.g. a Text() item)
int mouse_button = (popup_flags & ImGuiPopupFlags_MouseButtonMask_);
if (IsMouseReleased(mouse_button) && IsItemHovered(ImGuiHoveredFlags_AllowWhenBlockedByPopup))
OpenPopupEx(id);
OpenPopupEx(id, popup_flags);
return BeginPopupEx(id, ImGuiWindowFlags_AlwaysAutoResize|ImGuiWindowFlags_NoTitleBar|ImGuiWindowFlags_NoSavedSettings);
}
bool ImGui::BeginPopupContextWindow(const char* str_id, ImGuiMouseButton mouse_button, bool also_over_items)
bool ImGui::BeginPopupContextWindow(const char* str_id, ImGuiPopupFlags popup_flags)
{
ImGuiWindow* window = GImGui->CurrentWindow;
if (!str_id)
str_id = "window_context";
ImGuiID id = window->GetID(str_id);
int mouse_button = (popup_flags & ImGuiPopupFlags_MouseButtonMask_);
if (IsMouseReleased(mouse_button) && IsWindowHovered(ImGuiHoveredFlags_AllowWhenBlockedByPopup))
if (also_over_items || !IsAnyItemHovered())
OpenPopupEx(id);
if (!(popup_flags & ImGuiPopupFlags_NoOpenOverItems) || !IsAnyItemHovered())
OpenPopupEx(id, popup_flags);
return BeginPopupEx(id, ImGuiWindowFlags_AlwaysAutoResize|ImGuiWindowFlags_NoTitleBar|ImGuiWindowFlags_NoSavedSettings);
}
bool ImGui::BeginPopupContextVoid(const char* str_id, ImGuiMouseButton mouse_button)
bool ImGui::BeginPopupContextVoid(const char* str_id, ImGuiPopupFlags popup_flags)
{
ImGuiWindow* window = GImGui->CurrentWindow;
if (!str_id)
str_id = "void_context";
ImGuiID id = window->GetID(str_id);
int mouse_button = (popup_flags & ImGuiPopupFlags_MouseButtonMask_);
if (IsMouseReleased(mouse_button) && !IsWindowHovered(ImGuiHoveredFlags_AnyWindow))
if (GetTopMostPopupModal() == NULL)
OpenPopupEx(id);
OpenPopupEx(id, popup_flags);
return BeginPopupEx(id, ImGuiWindowFlags_AlwaysAutoResize|ImGuiWindowFlags_NoTitleBar|ImGuiWindowFlags_NoSavedSettings);
}

31
imgui.h
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@ -606,19 +606,22 @@ namespace ImGui
IMGUI_API bool BeginPopupModal(const char* name, bool* p_open = NULL, ImGuiWindowFlags flags = 0); // return true if the modal is open, and you can start outputting to it.
IMGUI_API void EndPopup(); // only call EndPopup() if BeginPopupXXX() returns true!
// Popups: open/close functions
// - OpenPopup(): set popup state to open.
// - OpenPopup(): set popup state to open. ImGuiPopupFlags are available for opening options.
// - If not modal: they can be closed by clicking anywhere outside them, or by pressing ESCAPE.
// - CloseCurrentPopup(): use inside the BeginPopup()/EndPopup() scope to close manually.
// - CloseCurrentPopup() is called by default by Selectable()/MenuItem() when activated (FIXME: need some options).
IMGUI_API void OpenPopup(const char* str_id); // call to mark popup as open (don't call every frame!).
IMGUI_API bool OpenPopupContextItem(const char* str_id = NULL, ImGuiMouseButton mouse_b = 1); // helper to open popup when clicked on last item. return true when just opened. (note: actually triggers on the mouse _released_ event to be consistent with popup behaviors)
// - 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().
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 bool OpenPopupContextItem(const char* str_id = NULL, ImGuiPopupFlags popup_flags = 1); // helper to open popup when clicked on last item. return true when just opened. (note: actually triggers on the mouse _released_ event to be consistent with popup behaviors)
IMGUI_API void CloseCurrentPopup(); // manually close the popup we have begin-ed into.
// Popups: open+begin combined functions helpers
// - 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.
IMGUI_API bool BeginPopupContextItem(const char* str_id = NULL, ImGuiMouseButton mouse_b = 1); // open+begin popup when clicked on last item. if you can pass a NULL str_id only if the previous item had an id. 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, ImGuiMouseButton mouse_b = 1, bool also_over_items = true); // open+begin popup when clicked on current window.
IMGUI_API bool BeginPopupContextVoid(const char* str_id = NULL, ImGuiMouseButton mouse_b = 1); // open+begin popup when clicked in void (where there are no windows).
// - 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.
// - We exceptionally default their flags to 1 (== ImGuiPopupFlags_MouseButtonRight) for backward compatibility with older API taking 'int mouse_button = 1' parameter. Passing a mouse button to ImGuiPopupFlags is guaranteed to be legal.
IMGUI_API bool BeginPopupContextItem(const char* str_id = NULL, ImGuiPopupFlags popup_flags = 1); // open+begin popup when clicked on last item. if you can pass a NULL str_id only if the previous item had an id. 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).
// Popups: test function
// - IsPopupOpen(): return true if the popup is open at the current BeginPopup() level of the popup stack.
// - IsPopupOpen() with ImGuiPopupFlags_AnyPopupId: return true if any popup is open at the current BeginPopup() level of the popup stack.
@ -870,10 +873,21 @@ enum ImGuiTreeNodeFlags_
ImGuiTreeNodeFlags_CollapsingHeader = ImGuiTreeNodeFlags_Framed | ImGuiTreeNodeFlags_NoTreePushOnOpen | ImGuiTreeNodeFlags_NoAutoOpenOnLog
};
// Flags for IsPopupOpen() function.
// Flags for OpenPopup*(), BeginPopupContext*(), IsPopupOpen() functions.
// - To be backward compatible with older API which took an 'int mouse_button = 1' argument, we need to treat
// small flags values as a mouse button index, so we encode the mouse button in the first few bits of the flags.
// It is therefore guaranteed to be legal to pass a mouse button index in ImGuiPopupFlags.
// - For the same reason, we exceptionally default the ImGuiPopupFlags argument of BeginPopupContextXXX functions to 1 instead of 0.
enum ImGuiPopupFlags_
{
ImGuiPopupFlags_None = 0,
ImGuiPopupFlags_MouseButtonLeft = 0, // For BeginPopupContext*(): open on Left Mouse release. Guaranted to always be == 0 (same as ImGuiMouseButton_Left)
ImGuiPopupFlags_MouseButtonRight = 1, // For BeginPopupContext*(): open on Right Mouse release. Guaranted to always be == 1 (same as ImGuiMouseButton_Right)
ImGuiPopupFlags_MouseButtonMiddle = 2, // For BeginPopupContext*(): open on Middle Mouse release. Guaranted to always be == 2 (same as ImGuiMouseButton_Middle)
ImGuiPopupFlags_MouseButtonMask_ = 0x1F,
ImGuiPopupFlags_MouseButtonDefault_ = 1,
ImGuiPopupFlags_NoOpenOverExistingPopup = 1 << 5, // For OpenPopup*(), BeginPopupContext*(): don't open if there's already a popup at the same level of the popup stack
ImGuiPopupFlags_NoOpenOverItems = 1 << 6, // For BeginPopupContextWindow(): don't return true when hovering items, only when hovering empty space
ImGuiPopupFlags_AnyPopupId = 1 << 7, // For IsPopupOpen(): ignore the ImGuiID parameter and test for any popup.
ImGuiPopupFlags_AnyPopupLevel = 1 << 8, // For IsPopupOpen(): search/test at any level of the popup stack (default test in the current level)
ImGuiPopupFlags_AnyPopup = ImGuiPopupFlags_AnyPopupId | ImGuiPopupFlags_AnyPopupLevel
@ -1656,7 +1670,8 @@ struct ImGuiPayload
namespace ImGui
{
// OBSOLETED in 1.77 (from June 2020)
static inline bool OpenPopupOnItemClick(const char* str_id = NULL, ImGuiMouseButton mouse_button = 1) { return OpenPopupContextItem(str_id, mouse_button); }
static inline bool OpenPopupOnItemClick(const char* str_id = NULL, ImGuiMouseButton mb = 1) { return OpenPopupContextItem(str_id, mb); } // Passing a mouse button to ImGuiPopupFlags is legal
static inline bool BeginPopupContextWindow(const char* str_id, ImGuiMouseButton mb, bool over_items) { return BeginPopupContextWindow(str_id, mb | (over_items ? 0 : ImGuiPopupFlags_NoOpenOverItems)); }
// OBSOLETED in 1.72 (from July 2019)
static inline void TreeAdvanceToLabelPos() { SetCursorPosX(GetCursorPosX() + GetTreeNodeToLabelSpacing()); }
// OBSOLETED in 1.71 (from June 2019)

2
imgui_internal.h
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@ -1850,7 +1850,7 @@ namespace ImGui
// Popups, Modals, Tooltips
IMGUI_API bool BeginChildEx(const char* name, ImGuiID id, const ImVec2& size_arg, bool border, ImGuiWindowFlags flags);
IMGUI_API void OpenPopupEx(ImGuiID id);
IMGUI_API void OpenPopupEx(ImGuiID id, ImGuiPopupFlags popup_flags = ImGuiPopupFlags_None);
IMGUI_API void ClosePopupToLevel(int remaining, bool restore_focus_to_window_under_popup);
IMGUI_API void ClosePopupsOverWindow(ImGuiWindow* ref_window, bool restore_focus_to_window_under_popup);
IMGUI_API bool IsPopupOpen(ImGuiID id, ImGuiPopupFlags popup_flags);

2
imgui_widgets.cpp
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@ -1517,7 +1517,7 @@ bool ImGui::BeginCombo(const char* label, const char* preview_value, ImGuiComboF
{
if (window->DC.NavLayerCurrent == 0)
window->NavLastIds[0] = id;
OpenPopupEx(id);
OpenPopupEx(id, ImGuiPopupFlags_None);
popup_open = true;
}